#include <openssl/ssl.h>
#if ER_DTLS_USE_GST_LOG
- GST_DEBUG_CATEGORY_STATIC(er_dtls_agent_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_agent_debug);
# define GST_CAT_DEFAULT er_dtls_agent_debug
- G_DEFINE_TYPE_WITH_CODE(ErDtlsAgent, er_dtls_agent, G_TYPE_OBJECT,
- GST_DEBUG_CATEGORY_INIT(er_dtls_agent_debug, "gstdtlsagent", 0, "Ericsson DTLS Agent"));
+G_DEFINE_TYPE_WITH_CODE (ErDtlsAgent, er_dtls_agent, G_TYPE_OBJECT,
+ GST_DEBUG_CATEGORY_INIT (er_dtls_agent_debug, "gstdtlsagent", 0,
+ "Ericsson DTLS Agent"));
#else
- G_DEFINE_TYPE(ErDtlsAgent, er_dtls_agent, G_TYPE_OBJECT);
+G_DEFINE_TYPE (ErDtlsAgent, er_dtls_agent, G_TYPE_OBJECT);
#endif
#define ER_DTLS_AGENT_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), ER_TYPE_DTLS_AGENT, ErDtlsAgentPrivate))
-enum {
- PROP_0,
- PROP_CERTIFICATE,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_CERTIFICATE,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
-struct _ErDtlsAgentPrivate {
- SSL_CTX *ssl_context;
+struct _ErDtlsAgentPrivate
+{
+ SSL_CTX *ssl_context;
- ErDtlsCertificate *certificate;
+ ErDtlsCertificate *certificate;
};
-static void er_dtls_agent_finalize(GObject *gobject);
-static void er_dtls_agent_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-const gchar *er_dtls_agent_peek_id(ErDtlsAgent *);
+static void er_dtls_agent_finalize (GObject * gobject);
+static void er_dtls_agent_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+const gchar *er_dtls_agent_peek_id (ErDtlsAgent *);
static GRWLock *ssl_locks;
-static void ssl_locking_function(gint mode, gint lock_num, const gchar *file, gint line)
+static void
+ssl_locking_function (gint mode, gint lock_num, const gchar * file, gint line)
{
- gboolean locking;
- gboolean reading;
- GRWLock *lock;
-
- locking = mode & CRYPTO_LOCK;
- reading = mode & CRYPTO_READ;
- lock = &ssl_locks[lock_num];
-
- LOG_LOG(NULL, "%s SSL lock for %s, thread=%p location=%s:%d",
- locking ? "locking" : "unlocking", reading ? "reading" : "writing",
- g_thread_self(), file, line);
-
- if (locking) {
- if (reading) {
- g_rw_lock_reader_lock(lock);
- } else {
- g_rw_lock_writer_lock(lock);
- }
+ gboolean locking;
+ gboolean reading;
+ GRWLock *lock;
+
+ locking = mode & CRYPTO_LOCK;
+ reading = mode & CRYPTO_READ;
+ lock = &ssl_locks[lock_num];
+
+ LOG_LOG (NULL, "%s SSL lock for %s, thread=%p location=%s:%d",
+ locking ? "locking" : "unlocking", reading ? "reading" : "writing",
+ g_thread_self (), file, line);
+
+ if (locking) {
+ if (reading) {
+ g_rw_lock_reader_lock (lock);
+ } else {
+ g_rw_lock_writer_lock (lock);
+ }
+ } else {
+ if (reading) {
+ g_rw_lock_reader_unlock (lock);
} else {
- if (reading) {
- g_rw_lock_reader_unlock(lock);
- } else {
- g_rw_lock_writer_unlock(lock);
- }
+ g_rw_lock_writer_unlock (lock);
}
+ }
}
-static gulong ssl_thread_id_function(void)
+static gulong
+ssl_thread_id_function (void)
{
- return (gulong) g_thread_self();
+ return (gulong) g_thread_self ();
}
-void _er_dtls_init_openssl()
+void
+_er_dtls_init_openssl ()
{
- static gsize is_init = 0;
- gint i;
- gint num_locks;
-
- if (g_once_init_enter(&is_init)) {
- if (OPENSSL_VERSION_NUMBER < 0x1000100fL) {
- LOG_WARNING(NULL, "Incorrect OpenSSL version, should be >= 1.0.1, is %s", OPENSSL_VERSION_TEXT);
- g_assert_not_reached();
- }
-
- LOG_INFO(NULL, "initializing openssl %lx", OPENSSL_VERSION_NUMBER);
- SSL_library_init();
- SSL_load_error_strings();
- ERR_load_BIO_strings();
-
- num_locks = CRYPTO_num_locks();
- ssl_locks = g_new(GRWLock, num_locks);
- for (i = 0; i < num_locks; ++i) {
- g_rw_lock_init(&ssl_locks[i]);
- }
- CRYPTO_set_locking_callback(ssl_locking_function);
- CRYPTO_set_id_callback(ssl_thread_id_function);
-
- g_once_init_leave(&is_init, 1);
+ static gsize is_init = 0;
+ gint i;
+ gint num_locks;
+
+ if (g_once_init_enter (&is_init)) {
+ if (OPENSSL_VERSION_NUMBER < 0x1000100fL) {
+ LOG_WARNING (NULL, "Incorrect OpenSSL version, should be >= 1.0.1, is %s",
+ OPENSSL_VERSION_TEXT);
+ g_assert_not_reached ();
+ }
+
+ LOG_INFO (NULL, "initializing openssl %lx", OPENSSL_VERSION_NUMBER);
+ SSL_library_init ();
+ SSL_load_error_strings ();
+ ERR_load_BIO_strings ();
+
+ num_locks = CRYPTO_num_locks ();
+ ssl_locks = g_new (GRWLock, num_locks);
+ for (i = 0; i < num_locks; ++i) {
+ g_rw_lock_init (&ssl_locks[i]);
}
+ CRYPTO_set_locking_callback (ssl_locking_function);
+ CRYPTO_set_id_callback (ssl_thread_id_function);
+
+ g_once_init_leave (&is_init, 1);
+ }
}
-static void er_dtls_agent_class_init(ErDtlsAgentClass *klass)
+static void
+er_dtls_agent_class_init (ErDtlsAgentClass * klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- g_type_class_add_private(klass, sizeof(ErDtlsAgentPrivate));
+ g_type_class_add_private (klass, sizeof (ErDtlsAgentPrivate));
- gobject_class->set_property = er_dtls_agent_set_property;
- gobject_class->finalize = er_dtls_agent_finalize;
+ gobject_class->set_property = er_dtls_agent_set_property;
+ gobject_class->finalize = er_dtls_agent_finalize;
- properties[PROP_CERTIFICATE] =
- g_param_spec_object("certificate",
- "ErDtlsCertificate",
- "Sets the certificate of the agent",
- ER_TYPE_DTLS_CERTIFICATE,
- G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+ properties[PROP_CERTIFICATE] =
+ g_param_spec_object ("certificate",
+ "ErDtlsCertificate",
+ "Sets the certificate of the agent",
+ ER_TYPE_DTLS_CERTIFICATE,
+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
- _er_dtls_init_openssl();
+ _er_dtls_init_openssl ();
}
-static void er_dtls_agent_init(ErDtlsAgent *self)
+static void
+er_dtls_agent_init (ErDtlsAgent * self)
{
- ErDtlsAgentPrivate *priv = ER_DTLS_AGENT_GET_PRIVATE(self);
- self->priv = priv;
+ ErDtlsAgentPrivate *priv = ER_DTLS_AGENT_GET_PRIVATE (self);
+ self->priv = priv;
- ERR_clear_error();
+ ERR_clear_error ();
- priv->ssl_context = SSL_CTX_new(DTLSv1_method());
- if (ERR_peek_error() || !priv->ssl_context) {
- char buf[512];
+ priv->ssl_context = SSL_CTX_new (DTLSv1_method ());
+ if (ERR_peek_error () || !priv->ssl_context) {
+ char buf[512];
- priv->ssl_context = NULL;
+ priv->ssl_context = NULL;
- LOG_WARNING(self, "Error creating SSL Context: %s", ERR_error_string(ERR_get_error(), buf));
+ LOG_WARNING (self, "Error creating SSL Context: %s",
+ ERR_error_string (ERR_get_error (), buf));
- g_return_if_reached();
- }
+ g_return_if_reached ();
+ }
- SSL_CTX_set_verify_depth(priv->ssl_context, 2);
- SSL_CTX_set_tlsext_use_srtp(priv->ssl_context, "SRTP_AES128_CM_SHA1_80");
- SSL_CTX_set_cipher_list(priv->ssl_context, "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
- SSL_CTX_set_read_ahead(priv->ssl_context, 1);
+ SSL_CTX_set_verify_depth (priv->ssl_context, 2);
+ SSL_CTX_set_tlsext_use_srtp (priv->ssl_context, "SRTP_AES128_CM_SHA1_80");
+ SSL_CTX_set_cipher_list (priv->ssl_context,
+ "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
+ SSL_CTX_set_read_ahead (priv->ssl_context, 1);
#if OPENSSL_VERSION_NUMBER >= 0x1000200fL
- SSL_CTX_set_ecdh_auto(priv->ssl_context, 1);
+ SSL_CTX_set_ecdh_auto (priv->ssl_context, 1);
#endif
}
-static void er_dtls_agent_finalize(GObject *gobject)
+static void
+er_dtls_agent_finalize (GObject * gobject)
{
- ErDtlsAgentPrivate *priv = ER_DTLS_AGENT(gobject)->priv;
+ ErDtlsAgentPrivate *priv = ER_DTLS_AGENT (gobject)->priv;
- SSL_CTX_free(priv->ssl_context);
- priv->ssl_context = NULL;
+ SSL_CTX_free (priv->ssl_context);
+ priv->ssl_context = NULL;
- LOG_DEBUG(gobject, "finalized");
+ LOG_DEBUG (gobject, "finalized");
- G_OBJECT_CLASS(er_dtls_agent_parent_class)->finalize(gobject);
+ G_OBJECT_CLASS (er_dtls_agent_parent_class)->finalize (gobject);
}
-static void er_dtls_agent_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+er_dtls_agent_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- ErDtlsAgent *self = ER_DTLS_AGENT(object);
- ErDtlsCertificate *certificate;
+ ErDtlsAgent *self = ER_DTLS_AGENT (object);
+ ErDtlsCertificate *certificate;
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CERTIFICATE:
- certificate = ER_DTLS_CERTIFICATE(g_value_get_object(value));
- g_return_if_fail(ER_IS_DTLS_CERTIFICATE(certificate));
- g_return_if_fail(self->priv->ssl_context);
-
- self->priv->certificate = certificate;
- g_object_ref(certificate);
-
- if (!SSL_CTX_use_certificate(self->priv->ssl_context, _er_dtls_certificate_get_internal_certificate(certificate))) {
- LOG_WARNING(self, "could not use certificate");
- g_return_if_reached();
- }
-
- if (!SSL_CTX_use_PrivateKey(self->priv->ssl_context, _er_dtls_certificate_get_internal_key(certificate))) {
- LOG_WARNING(self, "could not use private key");
- g_return_if_reached();
- }
-
- if (!SSL_CTX_check_private_key(self->priv->ssl_context)) {
- LOG_WARNING(self, "invalid private key");
- g_return_if_reached();
- }
- break;
+ certificate = ER_DTLS_CERTIFICATE (g_value_get_object (value));
+ g_return_if_fail (ER_IS_DTLS_CERTIFICATE (certificate));
+ g_return_if_fail (self->priv->ssl_context);
+
+ self->priv->certificate = certificate;
+ g_object_ref (certificate);
+
+ if (!SSL_CTX_use_certificate (self->priv->ssl_context,
+ _er_dtls_certificate_get_internal_certificate (certificate))) {
+ LOG_WARNING (self, "could not use certificate");
+ g_return_if_reached ();
+ }
+
+ if (!SSL_CTX_use_PrivateKey (self->priv->ssl_context,
+ _er_dtls_certificate_get_internal_key (certificate))) {
+ LOG_WARNING (self, "could not use private key");
+ g_return_if_reached ();
+ }
+
+ if (!SSL_CTX_check_private_key (self->priv->ssl_context)) {
+ LOG_WARNING (self, "invalid private key");
+ g_return_if_reached ();
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-ErDtlsCertificate *er_dtls_agent_get_certificate(ErDtlsAgent *self)
+ErDtlsCertificate *
+er_dtls_agent_get_certificate (ErDtlsAgent * self)
{
- g_return_val_if_fail(ER_IS_DTLS_AGENT(self), NULL);
- if (self->priv->certificate) {
- g_object_ref(self->priv->certificate);
- }
- return self->priv->certificate;
+ g_return_val_if_fail (ER_IS_DTLS_AGENT (self), NULL);
+ if (self->priv->certificate) {
+ g_object_ref (self->priv->certificate);
+ }
+ return self->priv->certificate;
}
-gchar *er_dtls_agent_get_certificate_pem(ErDtlsAgent *self)
+gchar *
+er_dtls_agent_get_certificate_pem (ErDtlsAgent * self)
{
- gchar *pem;
- g_return_val_if_fail(ER_IS_DTLS_AGENT(self), NULL);
- g_return_val_if_fail(ER_IS_DTLS_CERTIFICATE(self->priv->certificate), NULL);
+ gchar *pem;
+ g_return_val_if_fail (ER_IS_DTLS_AGENT (self), NULL);
+ g_return_val_if_fail (ER_IS_DTLS_CERTIFICATE (self->priv->certificate), NULL);
- g_object_get(self->priv->certificate, "pem", &pem, NULL);
+ g_object_get (self->priv->certificate, "pem", &pem, NULL);
- return pem;
+ return pem;
}
-const ErDtlsAgentContext _er_dtls_agent_peek_context(ErDtlsAgent *self)
+const ErDtlsAgentContext
+_er_dtls_agent_peek_context (ErDtlsAgent * self)
{
- g_return_val_if_fail(ER_IS_DTLS_AGENT(self), NULL);
- return self->priv->ssl_context;
+ g_return_val_if_fail (ER_IS_DTLS_AGENT (self), NULL);
+ return self->priv->ssl_context;
}
#include <openssl/ssl.h>
#if ER_DTLS_USE_GST_LOG
- GST_DEBUG_CATEGORY_STATIC(er_dtls_certificate_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_certificate_debug);
# define GST_CAT_DEFAULT er_dtls_certificate_debug
- G_DEFINE_TYPE_WITH_CODE(ErDtlsCertificate, er_dtls_certificate, G_TYPE_OBJECT,
- GST_DEBUG_CATEGORY_INIT(er_dtls_certificate_debug, "gstdtlscertificate", 0, "Ericsson DTLS Certificate"));
+G_DEFINE_TYPE_WITH_CODE (ErDtlsCertificate, er_dtls_certificate, G_TYPE_OBJECT,
+ GST_DEBUG_CATEGORY_INIT (er_dtls_certificate_debug, "gstdtlscertificate", 0,
+ "Ericsson DTLS Certificate"));
#else
- G_DEFINE_TYPE(ErDtlsCertificate, er_dtls_certificate, G_TYPE_OBJECT);
+G_DEFINE_TYPE (ErDtlsCertificate, er_dtls_certificate, G_TYPE_OBJECT);
#endif
#define ER_DTLS_CERTIFICATE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), ER_TYPE_DTLS_CERTIFICATE, ErDtlsCertificatePrivate))
-enum {
- PROP_0,
- PROP_PEM,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_PEM,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define DEFAULT_PEM NULL
-struct _ErDtlsCertificatePrivate {
- X509 *x509;
- EVP_PKEY *private_key;
+struct _ErDtlsCertificatePrivate
+{
+ X509 *x509;
+ EVP_PKEY *private_key;
- gchar *pem;
+ gchar *pem;
};
-static void er_dtls_certificate_finalize(GObject *gobject);
-static void er_dtls_certificate_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void er_dtls_certificate_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
+static void er_dtls_certificate_finalize (GObject * gobject);
+static void er_dtls_certificate_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void er_dtls_certificate_get_property (GObject *, guint prop_id,
+ GValue *, GParamSpec *);
-static void init_generated(ErDtlsCertificate *);
-static void init_from_pem_string(ErDtlsCertificate *, const gchar *pem);
+static void init_generated (ErDtlsCertificate *);
+static void init_from_pem_string (ErDtlsCertificate *, const gchar * pem);
-static void er_dtls_certificate_class_init(ErDtlsCertificateClass *klass)
+static void
+er_dtls_certificate_class_init (ErDtlsCertificateClass * klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- g_type_class_add_private(klass, sizeof(ErDtlsCertificatePrivate));
+ g_type_class_add_private (klass, sizeof (ErDtlsCertificatePrivate));
- gobject_class->set_property = er_dtls_certificate_set_property;
- gobject_class->get_property = er_dtls_certificate_get_property;
+ gobject_class->set_property = er_dtls_certificate_set_property;
+ gobject_class->get_property = er_dtls_certificate_get_property;
- properties[PROP_PEM] =
- g_param_spec_string("pem",
- "Pem string",
- "A string containing a X509 certificate and RSA private key in PEM format",
- DEFAULT_PEM,
- G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+ properties[PROP_PEM] =
+ g_param_spec_string ("pem",
+ "Pem string",
+ "A string containing a X509 certificate and RSA private key in PEM format",
+ DEFAULT_PEM,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
- _er_dtls_init_openssl();
+ _er_dtls_init_openssl ();
- gobject_class->finalize = er_dtls_certificate_finalize;
+ gobject_class->finalize = er_dtls_certificate_finalize;
}
-static void er_dtls_certificate_init(ErDtlsCertificate *self)
+static void
+er_dtls_certificate_init (ErDtlsCertificate * self)
{
- ErDtlsCertificatePrivate *priv = ER_DTLS_CERTIFICATE_GET_PRIVATE(self);
- self->priv = priv;
+ ErDtlsCertificatePrivate *priv = ER_DTLS_CERTIFICATE_GET_PRIVATE (self);
+ self->priv = priv;
- priv->x509 = NULL;
- priv->private_key = NULL;
- priv->pem = NULL;
+ priv->x509 = NULL;
+ priv->private_key = NULL;
+ priv->pem = NULL;
}
-static void er_dtls_certificate_finalize(GObject *gobject)
+static void
+er_dtls_certificate_finalize (GObject * gobject)
{
- ErDtlsCertificatePrivate *priv = ER_DTLS_CERTIFICATE(gobject)->priv;
+ ErDtlsCertificatePrivate *priv = ER_DTLS_CERTIFICATE (gobject)->priv;
- X509_free(priv->x509);
- priv->x509 = NULL;
+ X509_free (priv->x509);
+ priv->x509 = NULL;
- EVP_PKEY_free(priv->private_key);
- priv->private_key = NULL;
+ EVP_PKEY_free (priv->private_key);
+ priv->private_key = NULL;
- g_free(priv->pem);
- priv->pem = NULL;
+ g_free (priv->pem);
+ priv->pem = NULL;
- G_OBJECT_CLASS(er_dtls_certificate_parent_class)->finalize(gobject);
+ G_OBJECT_CLASS (er_dtls_certificate_parent_class)->finalize (gobject);
}
-static void er_dtls_certificate_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+er_dtls_certificate_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- ErDtlsCertificate *self = ER_DTLS_CERTIFICATE(object);
- const gchar *pem;
+ ErDtlsCertificate *self = ER_DTLS_CERTIFICATE (object);
+ const gchar *pem;
- switch (prop_id) {
+ switch (prop_id) {
case PROP_PEM:
- pem = g_value_get_string(value);
- if (pem) {
- init_from_pem_string(self, pem);
- } else {
- init_generated(self);
- }
- break;
+ pem = g_value_get_string (value);
+ if (pem) {
+ init_from_pem_string (self, pem);
+ } else {
+ init_generated (self);
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void er_dtls_certificate_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+er_dtls_certificate_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
{
- ErDtlsCertificate *self = ER_DTLS_CERTIFICATE(object);
+ ErDtlsCertificate *self = ER_DTLS_CERTIFICATE (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_PEM:
- g_return_if_fail(self->priv->pem);
- g_value_set_string(value, self->priv->pem);
- break;
+ g_return_if_fail (self->priv->pem);
+ g_value_set_string (value, self->priv->pem);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void init_generated(ErDtlsCertificate *self)
+static void
+init_generated (ErDtlsCertificate * self)
{
- ErDtlsCertificatePrivate *priv = self->priv;
- RSA *rsa;
- X509_NAME *name = NULL;
-
- g_return_if_fail(!priv->x509);
- g_return_if_fail(!priv->private_key);
-
- priv->private_key = EVP_PKEY_new();
-
- if (!priv->private_key) {
- LOG_WARNING(self, "failed to create private key");
- return;
- }
-
- priv->x509 = X509_new();
-
- if (!priv->x509) {
- LOG_WARNING(self, "failed to create certificate");
- EVP_PKEY_free(priv->private_key);
- priv->private_key = NULL;
- return;
- }
- rsa = RSA_generate_key(2048, RSA_F4, NULL, NULL);
-
- if (!rsa) {
- LOG_WARNING(self, "failed to generate RSA");
- EVP_PKEY_free(priv->private_key);
- priv->private_key = NULL;
- X509_free(priv->x509);
- priv->x509 = NULL;
- return;
- }
-
- if (!EVP_PKEY_assign_RSA(priv->private_key, rsa)) {
- LOG_WARNING(self, "failed to assign RSA");
- RSA_free(rsa);
- rsa = NULL;
- EVP_PKEY_free(priv->private_key);
- priv->private_key = NULL;
- X509_free(priv->x509);
- priv->x509 = NULL;
- return;
- }
+ ErDtlsCertificatePrivate *priv = self->priv;
+ RSA *rsa;
+ X509_NAME *name = NULL;
+
+ g_return_if_fail (!priv->x509);
+ g_return_if_fail (!priv->private_key);
+
+ priv->private_key = EVP_PKEY_new ();
+
+ if (!priv->private_key) {
+ LOG_WARNING (self, "failed to create private key");
+ return;
+ }
+
+ priv->x509 = X509_new ();
+
+ if (!priv->x509) {
+ LOG_WARNING (self, "failed to create certificate");
+ EVP_PKEY_free (priv->private_key);
+ priv->private_key = NULL;
+ return;
+ }
+ rsa = RSA_generate_key (2048, RSA_F4, NULL, NULL);
+
+ if (!rsa) {
+ LOG_WARNING (self, "failed to generate RSA");
+ EVP_PKEY_free (priv->private_key);
+ priv->private_key = NULL;
+ X509_free (priv->x509);
+ priv->x509 = NULL;
+ return;
+ }
+
+ if (!EVP_PKEY_assign_RSA (priv->private_key, rsa)) {
+ LOG_WARNING (self, "failed to assign RSA");
+ RSA_free (rsa);
rsa = NULL;
+ EVP_PKEY_free (priv->private_key);
+ priv->private_key = NULL;
+ X509_free (priv->x509);
+ priv->x509 = NULL;
+ return;
+ }
+ rsa = NULL;
+
+ X509_set_version (priv->x509, 2);
+ ASN1_INTEGER_set (X509_get_serialNumber (priv->x509), 0);
+ X509_gmtime_adj (X509_get_notBefore (priv->x509), 0);
+ X509_gmtime_adj (X509_get_notAfter (priv->x509), 31536000L); /* A year */
+ X509_set_pubkey (priv->x509, priv->private_key);
+
+ name = X509_get_subject_name (priv->x509);
+ X509_NAME_add_entry_by_txt (name, "C", MBSTRING_ASC, (unsigned char *) "SE",
+ -1, -1, 0);
+ X509_NAME_add_entry_by_txt (name, "CN", MBSTRING_ASC,
+ (unsigned char *) "OpenWebRTC", -1, -1, 0);
+ X509_set_issuer_name (priv->x509, name);
+ name = NULL;
+
+ if (!X509_sign (priv->x509, priv->private_key, EVP_sha256 ())) {
+ LOG_WARNING (self, "failed to sign certificate");
+ EVP_PKEY_free (priv->private_key);
+ priv->private_key = NULL;
+ X509_free (priv->x509);
+ priv->x509 = NULL;
+ return;
+ }
- X509_set_version(priv->x509, 2);
- ASN1_INTEGER_set(X509_get_serialNumber(priv->x509), 0);
- X509_gmtime_adj(X509_get_notBefore(priv->x509), 0);
- X509_gmtime_adj(X509_get_notAfter(priv->x509), 31536000L); /* A year */
- X509_set_pubkey(priv->x509, priv->private_key);
-
- name = X509_get_subject_name(priv->x509);
- X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, (unsigned char*) "SE", -1, -1, 0);
- X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, (unsigned char*) "OpenWebRTC", -1, -1, 0);
- X509_set_issuer_name(priv->x509, name);
- name = NULL;
-
- if (!X509_sign(priv->x509, priv->private_key, EVP_sha256())) {
- LOG_WARNING(self, "failed to sign certificate");
- EVP_PKEY_free(priv->private_key);
- priv->private_key = NULL;
- X509_free(priv->x509);
- priv->x509 = NULL;
- return;
- }
-
- self->priv->pem = _er_dtls_x509_to_pem(priv->x509);
+ self->priv->pem = _er_dtls_x509_to_pem (priv->x509);
}
-static void init_from_pem_string(ErDtlsCertificate *self, const gchar *pem)
+static void
+init_from_pem_string (ErDtlsCertificate * self, const gchar * pem)
{
- ErDtlsCertificatePrivate *priv = self->priv;
- BIO *bio;
+ ErDtlsCertificatePrivate *priv = self->priv;
+ BIO *bio;
- g_return_if_fail(pem);
- g_return_if_fail(!priv->x509);
- g_return_if_fail(!priv->private_key);
+ g_return_if_fail (pem);
+ g_return_if_fail (!priv->x509);
+ g_return_if_fail (!priv->private_key);
- bio = BIO_new_mem_buf((gpointer) pem, -1);
- g_return_if_fail(bio);
+ bio = BIO_new_mem_buf ((gpointer) pem, -1);
+ g_return_if_fail (bio);
- priv->x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+ priv->x509 = PEM_read_bio_X509 (bio, NULL, NULL, NULL);
- if (!priv->x509) {
- LOG_WARNING(self, "failed to read certificate from pem string");
- return;
- }
+ if (!priv->x509) {
+ LOG_WARNING (self, "failed to read certificate from pem string");
+ return;
+ }
- (void) BIO_reset(bio);
+ (void) BIO_reset (bio);
- priv->private_key = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL);
+ priv->private_key = PEM_read_bio_PrivateKey (bio, NULL, NULL, NULL);
- BIO_free(bio);
- bio = NULL;
+ BIO_free (bio);
+ bio = NULL;
- if (!priv->private_key) {
- LOG_WARNING(self, "failed to read private key from pem string");
- X509_free(priv->x509);
- priv->x509 = NULL;
- return;
- }
+ if (!priv->private_key) {
+ LOG_WARNING (self, "failed to read private key from pem string");
+ X509_free (priv->x509);
+ priv->x509 = NULL;
+ return;
+ }
- self->priv->pem = g_strdup(pem);
+ self->priv->pem = g_strdup (pem);
}
-gchar *_er_dtls_x509_to_pem(gpointer x509)
+gchar *
+_er_dtls_x509_to_pem (gpointer x509)
{
#define ER_DTLS_BIO_BUFFER_SIZE 4096
- BIO *bio;
- gchar buffer[ER_DTLS_BIO_BUFFER_SIZE] = {0};
- gint len;
- gchar *pem = NULL;
+ BIO *bio;
+ gchar buffer[ER_DTLS_BIO_BUFFER_SIZE] = { 0 };
+ gint len;
+ gchar *pem = NULL;
- bio = BIO_new(BIO_s_mem());
- g_return_val_if_fail(bio, NULL);
+ bio = BIO_new (BIO_s_mem ());
+ g_return_val_if_fail (bio, NULL);
- if (!PEM_write_bio_X509(bio, (X509 *) x509)) {
- g_warn_if_reached();
- goto beach;
- }
+ if (!PEM_write_bio_X509 (bio, (X509 *) x509)) {
+ g_warn_if_reached ();
+ goto beach;
+ }
- len = BIO_read(bio, buffer, ER_DTLS_BIO_BUFFER_SIZE);
- if (!len) {
- g_warn_if_reached();
- goto beach;
- }
+ len = BIO_read (bio, buffer, ER_DTLS_BIO_BUFFER_SIZE);
+ if (!len) {
+ g_warn_if_reached ();
+ goto beach;
+ }
- pem = g_strndup(buffer, len);
+ pem = g_strndup (buffer, len);
beach:
- BIO_free(bio);
+ BIO_free (bio);
- return pem;
+ return pem;
}
-ErDtlsCertificateInternalCertificate _er_dtls_certificate_get_internal_certificate(ErDtlsCertificate *self)
+ErDtlsCertificateInternalCertificate
+_er_dtls_certificate_get_internal_certificate (ErDtlsCertificate * self)
{
- g_return_val_if_fail(ER_IS_DTLS_CERTIFICATE(self), NULL);
- return self->priv->x509;
+ g_return_val_if_fail (ER_IS_DTLS_CERTIFICATE (self), NULL);
+ return self->priv->x509;
}
-ErDtlsCertificateInternalKey _er_dtls_certificate_get_internal_key(ErDtlsCertificate *self)
+ErDtlsCertificateInternalKey
+_er_dtls_certificate_get_internal_key (ErDtlsCertificate * self)
{
- g_return_val_if_fail(ER_IS_DTLS_CERTIFICATE(self), NULL);
- return self->priv->private_key;
+ g_return_val_if_fail (ER_IS_DTLS_CERTIFICATE (self), NULL);
+ return self->priv->private_key;
}
#include <openssl/ssl.h>
#if ER_DTLS_USE_GST_LOG
- GST_DEBUG_CATEGORY_STATIC(er_dtls_connection_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_connection_debug);
# define GST_CAT_DEFAULT er_dtls_connection_debug
- G_DEFINE_TYPE_WITH_CODE(ErDtlsConnection, er_dtls_connection, G_TYPE_OBJECT,
- GST_DEBUG_CATEGORY_INIT(er_dtls_connection_debug, "gstdtlsconnection", 0, "Ericsson DTLS Connection"));
+G_DEFINE_TYPE_WITH_CODE (ErDtlsConnection, er_dtls_connection, G_TYPE_OBJECT,
+ GST_DEBUG_CATEGORY_INIT (er_dtls_connection_debug, "gstdtlsconnection", 0,
+ "Ericsson DTLS Connection"));
#else
- G_DEFINE_TYPE(ErDtlsConnection, er_dtls_connection, G_TYPE_OBJECT);
+G_DEFINE_TYPE (ErDtlsConnection, er_dtls_connection, G_TYPE_OBJECT);
#endif
#define ER_DTLS_CONNECTION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), ER_TYPE_DTLS_CONNECTION, ErDtlsConnectionPrivate))
#define SRTP_KEY_LEN 16
#define SRTP_SALT_LEN 14
-enum {
- SIGNAL_ON_ENCODER_KEY,
- SIGNAL_ON_DECODER_KEY,
- SIGNAL_ON_PEER_CERTIFICATE,
- NUM_SIGNALS
+enum
+{
+ SIGNAL_ON_ENCODER_KEY,
+ SIGNAL_ON_DECODER_KEY,
+ SIGNAL_ON_PEER_CERTIFICATE,
+ NUM_SIGNALS
};
static guint signals[NUM_SIGNALS];
-enum {
- PROP_0,
- PROP_AGENT,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_AGENT,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
static int connection_ex_index;
-struct _ErDtlsConnectionPrivate {
- SSL *ssl;
- BIO *bio;
- GThread *thread;
-
- gboolean is_client;
- gboolean is_alive;
- gboolean keys_exported;
- gboolean timeout_set;
-
- GMutex mutex;
- GCond condition;
- gpointer bio_buffer;
- gint bio_buffer_len;
- gint bio_buffer_offset;
-
- GClosure *send_closure;
+struct _ErDtlsConnectionPrivate
+{
+ SSL *ssl;
+ BIO *bio;
+ GThread *thread;
+
+ gboolean is_client;
+ gboolean is_alive;
+ gboolean keys_exported;
+ gboolean timeout_set;
+
+ GMutex mutex;
+ GCond condition;
+ gpointer bio_buffer;
+ gint bio_buffer_len;
+ gint bio_buffer_offset;
+
+ GClosure *send_closure;
};
-static void er_dtls_connection_finalize(GObject *gobject);
-static void er_dtls_connection_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-
-static void log_state(ErDtlsConnection *, const gchar *str);
-static gpointer connection_timeout_thread_func(ErDtlsConnection *);
-static void export_srtp_keys(ErDtlsConnection *);
-static void openssl_poll(ErDtlsConnection *);
-static int openssl_verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx);
-
-static BIO_METHOD* BIO_s_er_dtls_connection();
-static int bio_method_write(BIO *, const char *data, int size);
-static int bio_method_read(BIO *, char *out_buffer, int size);
-static long bio_method_ctrl(BIO *, int cmd, long arg1, void *arg2);
-static int bio_method_new(BIO *);
-static int bio_method_free(BIO *);
-
-static void er_dtls_connection_class_init(ErDtlsConnectionClass *klass)
+static void er_dtls_connection_finalize (GObject * gobject);
+static void er_dtls_connection_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+
+static void log_state (ErDtlsConnection *, const gchar * str);
+static gpointer connection_timeout_thread_func (ErDtlsConnection *);
+static void export_srtp_keys (ErDtlsConnection *);
+static void openssl_poll (ErDtlsConnection *);
+static int openssl_verify_callback (int preverify_ok,
+ X509_STORE_CTX * x509_ctx);
+
+static BIO_METHOD *BIO_s_er_dtls_connection ();
+static int bio_method_write (BIO *, const char *data, int size);
+static int bio_method_read (BIO *, char *out_buffer, int size);
+static long bio_method_ctrl (BIO *, int cmd, long arg1, void *arg2);
+static int bio_method_new (BIO *);
+static int bio_method_free (BIO *);
+
+static void
+er_dtls_connection_class_init (ErDtlsConnectionClass * klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- g_type_class_add_private(klass, sizeof(ErDtlsConnectionPrivate));
+ g_type_class_add_private (klass, sizeof (ErDtlsConnectionPrivate));
- gobject_class->set_property = er_dtls_connection_set_property;
+ gobject_class->set_property = er_dtls_connection_set_property;
- connection_ex_index = SSL_get_ex_new_index(0, "gstdtlsagent connection index", NULL, NULL, NULL);
+ connection_ex_index =
+ SSL_get_ex_new_index (0, "gstdtlsagent connection index", NULL, NULL,
+ NULL);
- signals[SIGNAL_ON_DECODER_KEY] =
- g_signal_new("on-decoder-key", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_NONE, 3,
- G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT);
+ signals[SIGNAL_ON_DECODER_KEY] =
+ g_signal_new ("on-decoder-key", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 3,
+ G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT);
- signals[SIGNAL_ON_ENCODER_KEY] =
- g_signal_new("on-encoder-key", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_NONE, 3,
- G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT);
+ signals[SIGNAL_ON_ENCODER_KEY] =
+ g_signal_new ("on-encoder-key", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 3,
+ G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT);
- signals[SIGNAL_ON_PEER_CERTIFICATE] =
- g_signal_new("on-peer-certificate", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_BOOLEAN, 1,
- G_TYPE_STRING);
+ signals[SIGNAL_ON_PEER_CERTIFICATE] =
+ g_signal_new ("on-peer-certificate", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_BOOLEAN, 1, G_TYPE_STRING);
- properties[PROP_AGENT] =
- g_param_spec_object("agent",
- "ERDtlsAgent",
- "Agent to use in creation of the connection",
- ER_TYPE_DTLS_AGENT,
- G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+ properties[PROP_AGENT] =
+ g_param_spec_object ("agent",
+ "ERDtlsAgent",
+ "Agent to use in creation of the connection",
+ ER_TYPE_DTLS_AGENT,
+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
- _er_dtls_init_openssl();
+ _er_dtls_init_openssl ();
- gobject_class->finalize = er_dtls_connection_finalize;
+ gobject_class->finalize = er_dtls_connection_finalize;
}
-static void er_dtls_connection_init(ErDtlsConnection *self)
+static void
+er_dtls_connection_init (ErDtlsConnection * self)
{
- ErDtlsConnectionPrivate *priv = ER_DTLS_CONNECTION_GET_PRIVATE(self);
- self->priv = priv;
+ ErDtlsConnectionPrivate *priv = ER_DTLS_CONNECTION_GET_PRIVATE (self);
+ self->priv = priv;
- priv->ssl = NULL;
- priv->bio = NULL;
- priv->thread = NULL;
+ priv->ssl = NULL;
+ priv->bio = NULL;
+ priv->thread = NULL;
- priv->send_closure = NULL;
+ priv->send_closure = NULL;
- priv->is_client = FALSE;
- priv->is_alive = TRUE;
- priv->keys_exported = FALSE;
- priv->timeout_set = FALSE;
+ priv->is_client = FALSE;
+ priv->is_alive = TRUE;
+ priv->keys_exported = FALSE;
+ priv->timeout_set = FALSE;
- priv->bio_buffer = NULL;
- priv->bio_buffer_len = 0;
- priv->bio_buffer_offset = 0;
+ priv->bio_buffer = NULL;
+ priv->bio_buffer_len = 0;
+ priv->bio_buffer_offset = 0;
- g_mutex_init(&priv->mutex);
- g_cond_init(&priv->condition);
+ g_mutex_init (&priv->mutex);
+ g_cond_init (&priv->condition);
}
-static void er_dtls_connection_finalize(GObject *gobject)
+static void
+er_dtls_connection_finalize (GObject * gobject)
{
- ErDtlsConnection *self = ER_DTLS_CONNECTION(gobject);
- ErDtlsConnectionPrivate *priv = self->priv;
+ ErDtlsConnection *self = ER_DTLS_CONNECTION (gobject);
+ ErDtlsConnectionPrivate *priv = self->priv;
- SSL_free(priv->ssl);
- priv->ssl = NULL;
+ SSL_free (priv->ssl);
+ priv->ssl = NULL;
- if (priv->send_closure) {
- g_closure_unref(priv->send_closure);
- priv->send_closure = NULL;
- }
+ if (priv->send_closure) {
+ g_closure_unref (priv->send_closure);
+ priv->send_closure = NULL;
+ }
- g_mutex_clear(&priv->mutex);
- g_cond_clear(&priv->condition);
+ g_mutex_clear (&priv->mutex);
+ g_cond_clear (&priv->condition);
- LOG_DEBUG(self, "finalized");
+ LOG_DEBUG (self, "finalized");
- G_OBJECT_CLASS(er_dtls_connection_parent_class)->finalize(gobject);
+ G_OBJECT_CLASS (er_dtls_connection_parent_class)->finalize (gobject);
}
-static void er_dtls_connection_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+er_dtls_connection_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- ErDtlsConnection *self = ER_DTLS_CONNECTION(object);
- ErDtlsAgent *agent;
- ErDtlsConnectionPrivate *priv = self->priv;
- SSL_CTX *ssl_context;
+ ErDtlsConnection *self = ER_DTLS_CONNECTION (object);
+ ErDtlsAgent *agent;
+ ErDtlsConnectionPrivate *priv = self->priv;
+ SSL_CTX *ssl_context;
- switch (prop_id) {
+ switch (prop_id) {
case PROP_AGENT:
- g_return_if_fail(!priv->ssl);
- agent = ER_DTLS_AGENT(g_value_get_object(value));
- g_return_if_fail(ER_IS_DTLS_AGENT(agent));
+ g_return_if_fail (!priv->ssl);
+ agent = ER_DTLS_AGENT (g_value_get_object (value));
+ g_return_if_fail (ER_IS_DTLS_AGENT (agent));
- ssl_context = _er_dtls_agent_peek_context(agent);
+ ssl_context = _er_dtls_agent_peek_context (agent);
- priv->ssl = SSL_new(ssl_context);
- g_return_if_fail(priv->ssl);
+ priv->ssl = SSL_new (ssl_context);
+ g_return_if_fail (priv->ssl);
- priv->bio = BIO_new(BIO_s_er_dtls_connection());
- g_return_if_fail(priv->bio);
+ priv->bio = BIO_new (BIO_s_er_dtls_connection ());
+ g_return_if_fail (priv->bio);
- priv->bio->ptr = self;
- SSL_set_bio(priv->ssl, priv->bio, priv->bio);
+ priv->bio->ptr = self;
+ SSL_set_bio (priv->ssl, priv->bio, priv->bio);
- SSL_set_verify(priv->ssl,
- SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, openssl_verify_callback);
- SSL_set_ex_data(priv->ssl, connection_ex_index, self);
+ SSL_set_verify (priv->ssl,
+ SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
+ openssl_verify_callback);
+ SSL_set_ex_data (priv->ssl, connection_ex_index, self);
- log_state(self, "connection created");
- break;
+ log_state (self, "connection created");
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-void er_dtls_connection_start(ErDtlsConnection *self, gboolean is_client)
+void
+er_dtls_connection_start (ErDtlsConnection * self, gboolean is_client)
{
- g_return_if_fail(ER_IS_DTLS_CONNECTION(self));
- ErDtlsConnectionPrivate *priv = self->priv;
- g_return_if_fail(priv->send_closure);
- g_return_if_fail(priv->ssl);
- g_return_if_fail(priv->bio);
-
- LOG_TRACE(self, "locking @ start");
- g_mutex_lock(&priv->mutex);
- LOG_TRACE(self, "locked @ start");
-
- priv->is_alive = TRUE;
- priv->timeout_set = FALSE;
- priv->bio_buffer = NULL;
- priv->bio_buffer_len = 0;
- priv->bio_buffer_offset = 0;
- priv->keys_exported = FALSE;
-
- priv->is_client = is_client;
- if (priv->is_client) {
- SSL_set_connect_state(priv->ssl);
- } else {
- SSL_set_accept_state(priv->ssl);
- }
- log_state(self, "initial state set");
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (self));
+ ErDtlsConnectionPrivate *priv = self->priv;
+ g_return_if_fail (priv->send_closure);
+ g_return_if_fail (priv->ssl);
+ g_return_if_fail (priv->bio);
+
+ LOG_TRACE (self, "locking @ start");
+ g_mutex_lock (&priv->mutex);
+ LOG_TRACE (self, "locked @ start");
+
+ priv->is_alive = TRUE;
+ priv->timeout_set = FALSE;
+ priv->bio_buffer = NULL;
+ priv->bio_buffer_len = 0;
+ priv->bio_buffer_offset = 0;
+ priv->keys_exported = FALSE;
+
+ priv->is_client = is_client;
+ if (priv->is_client) {
+ SSL_set_connect_state (priv->ssl);
+ } else {
+ SSL_set_accept_state (priv->ssl);
+ }
+ log_state (self, "initial state set");
+
+ openssl_poll (self);
+
+ log_state (self, "first poll done");
+ priv->thread = NULL;
+
+ LOG_TRACE (self, "unlocking @ start");
+ g_mutex_unlock (&priv->mutex);
+}
- openssl_poll(self);
+void
+er_dtls_connection_start_timeout (ErDtlsConnection * self)
+{
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (self));
- log_state(self, "first poll done");
- priv->thread = NULL;
+ ErDtlsConnectionPrivate *priv = self->priv;
+ GError *error = NULL;
+ gchar *thread_name = g_strdup_printf ("connection_thread_%p", self);
- LOG_TRACE(self, "unlocking @ start");
- g_mutex_unlock(&priv->mutex);
-}
+ LOG_TRACE (self, "locking @ start_timeout");
+ g_mutex_lock (&priv->mutex);
+ LOG_TRACE (self, "locked @ start_timeout");
-void er_dtls_connection_start_timeout(ErDtlsConnection *self)
-{
- g_return_if_fail(ER_IS_DTLS_CONNECTION(self));
-
- ErDtlsConnectionPrivate *priv = self->priv;
- GError *error = NULL;
- gchar *thread_name = g_strdup_printf("connection_thread_%p", self);
-
- LOG_TRACE(self, "locking @ start_timeout");
- g_mutex_lock(&priv->mutex);
- LOG_TRACE(self, "locked @ start_timeout");
-
- LOG_INFO(self, "starting connection timeout");
- priv->thread = g_thread_try_new(thread_name,
- (GThreadFunc) connection_timeout_thread_func, self, &error);
- if (error) {
- LOG_WARNING(self, "error creating connection thread: %s (%d)",
- error->message, error->code);
- g_clear_error(&error);
- }
+ LOG_INFO (self, "starting connection timeout");
+ priv->thread = g_thread_try_new (thread_name,
+ (GThreadFunc) connection_timeout_thread_func, self, &error);
+ if (error) {
+ LOG_WARNING (self, "error creating connection thread: %s (%d)",
+ error->message, error->code);
+ g_clear_error (&error);
+ }
- g_free(thread_name);
+ g_free (thread_name);
- LOG_TRACE(self, "unlocking @ start_timeout");
- g_mutex_unlock(&priv->mutex);
+ LOG_TRACE (self, "unlocking @ start_timeout");
+ g_mutex_unlock (&priv->mutex);
}
-void er_dtls_connection_stop(ErDtlsConnection *self)
+void
+er_dtls_connection_stop (ErDtlsConnection * self)
{
- g_return_if_fail(ER_IS_DTLS_CONNECTION(self));
- g_return_if_fail(self->priv->ssl);
- g_return_if_fail(self->priv->bio);
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (self));
+ g_return_if_fail (self->priv->ssl);
+ g_return_if_fail (self->priv->bio);
- LOG_DEBUG(self, "stopping connection");
+ LOG_DEBUG (self, "stopping connection");
- LOG_TRACE(self, "locking @ stop");
- g_mutex_lock(&self->priv->mutex);
- LOG_TRACE(self, "locked @ stop");
+ LOG_TRACE (self, "locking @ stop");
+ g_mutex_lock (&self->priv->mutex);
+ LOG_TRACE (self, "locked @ stop");
- self->priv->is_alive = FALSE;
- LOG_TRACE(self, "signaling @ stop");
- g_cond_signal(&self->priv->condition);
- LOG_TRACE(self, "signaled @ stop");
+ self->priv->is_alive = FALSE;
+ LOG_TRACE (self, "signaling @ stop");
+ g_cond_signal (&self->priv->condition);
+ LOG_TRACE (self, "signaled @ stop");
- LOG_TRACE(self, "unlocking @ stop");
- g_mutex_unlock(&self->priv->mutex);
+ LOG_TRACE (self, "unlocking @ stop");
+ g_mutex_unlock (&self->priv->mutex);
- LOG_DEBUG(self, "stopped connection");
+ LOG_DEBUG (self, "stopped connection");
}
-void er_dtls_connection_close(ErDtlsConnection *self)
+void
+er_dtls_connection_close (ErDtlsConnection * self)
{
- g_return_if_fail(ER_IS_DTLS_CONNECTION(self));
- g_return_if_fail(self->priv->ssl);
- g_return_if_fail(self->priv->bio);
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (self));
+ g_return_if_fail (self->priv->ssl);
+ g_return_if_fail (self->priv->bio);
- LOG_DEBUG(self, "closing connection");
+ LOG_DEBUG (self, "closing connection");
- LOG_TRACE(self, "locking @ close");
- g_mutex_lock(&self->priv->mutex);
- LOG_TRACE(self, "locked @ close");
+ LOG_TRACE (self, "locking @ close");
+ g_mutex_lock (&self->priv->mutex);
+ LOG_TRACE (self, "locked @ close");
- if (self->priv->is_alive) {
- self->priv->is_alive = FALSE;
- g_cond_signal(&self->priv->condition);
- }
+ if (self->priv->is_alive) {
+ self->priv->is_alive = FALSE;
+ g_cond_signal (&self->priv->condition);
+ }
- LOG_TRACE(self, "unlocking @ close");
- g_mutex_unlock(&self->priv->mutex);
+ LOG_TRACE (self, "unlocking @ close");
+ g_mutex_unlock (&self->priv->mutex);
- if (self->priv->thread) {
- g_thread_join(self->priv->thread);
- self->priv->thread = NULL;
- }
+ if (self->priv->thread) {
+ g_thread_join (self->priv->thread);
+ self->priv->thread = NULL;
+ }
- LOG_DEBUG(self, "closed connection");
+ LOG_DEBUG (self, "closed connection");
}
-void er_dtls_connection_set_send_callback(ErDtlsConnection *self, GClosure *closure)
+void
+er_dtls_connection_set_send_callback (ErDtlsConnection * self,
+ GClosure * closure)
{
- g_return_if_fail(ER_IS_DTLS_CONNECTION(self));
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (self));
- LOG_TRACE(self, "locking @ set_send_callback");
- g_mutex_lock(&self->priv->mutex);
- LOG_TRACE(self, "locked @ set_send_callback");
+ LOG_TRACE (self, "locking @ set_send_callback");
+ g_mutex_lock (&self->priv->mutex);
+ LOG_TRACE (self, "locked @ set_send_callback");
- self->priv->send_closure = closure;
+ self->priv->send_closure = closure;
- if (closure && G_CLOSURE_NEEDS_MARSHAL(closure)) {
- g_closure_set_marshal(closure, g_cclosure_marshal_generic);
- }
+ if (closure && G_CLOSURE_NEEDS_MARSHAL (closure)) {
+ g_closure_set_marshal (closure, g_cclosure_marshal_generic);
+ }
- LOG_TRACE(self, "unlocking @ set_send_callback");
- g_mutex_unlock(&self->priv->mutex);
+ LOG_TRACE (self, "unlocking @ set_send_callback");
+ g_mutex_unlock (&self->priv->mutex);
}
-gint er_dtls_connection_process(ErDtlsConnection *self, gpointer data, gint len)
+gint
+er_dtls_connection_process (ErDtlsConnection * self, gpointer data, gint len)
{
- g_return_val_if_fail(ER_IS_DTLS_CONNECTION(self), 0);
- ErDtlsConnectionPrivate *priv = self->priv;
- gint result;
+ g_return_val_if_fail (ER_IS_DTLS_CONNECTION (self), 0);
+ ErDtlsConnectionPrivate *priv = self->priv;
+ gint result;
- g_return_val_if_fail(self->priv->ssl, 0);
- g_return_val_if_fail(self->priv->bio, 0);
+ g_return_val_if_fail (self->priv->ssl, 0);
+ g_return_val_if_fail (self->priv->bio, 0);
- LOG_TRACE(self, "locking @ process");
- g_mutex_lock(&priv->mutex);
- LOG_TRACE(self, "locked @ process");
+ LOG_TRACE (self, "locking @ process");
+ g_mutex_lock (&priv->mutex);
+ LOG_TRACE (self, "locked @ process");
- g_warn_if_fail(!priv->bio_buffer);
+ g_warn_if_fail (!priv->bio_buffer);
- priv->bio_buffer = data;
- priv->bio_buffer_len = len;
- priv->bio_buffer_offset = 0;
+ priv->bio_buffer = data;
+ priv->bio_buffer_len = len;
+ priv->bio_buffer_offset = 0;
- log_state(self, "process start");
+ log_state (self, "process start");
- if (SSL_want_write(priv->ssl)) {
- openssl_poll(self);
- log_state(self, "process want write, after poll");
- }
+ if (SSL_want_write (priv->ssl)) {
+ openssl_poll (self);
+ log_state (self, "process want write, after poll");
+ }
- result = SSL_read(priv->ssl, data, len);
+ result = SSL_read (priv->ssl, data, len);
- log_state(self, "process after read");
+ log_state (self, "process after read");
- openssl_poll(self);
+ openssl_poll (self);
- log_state(self, "process after poll");
+ log_state (self, "process after poll");
- LOG_DEBUG(self, "read result: %d", result);
+ LOG_DEBUG (self, "read result: %d", result);
- LOG_TRACE(self, "unlocking @ process");
- g_mutex_unlock(&priv->mutex);
+ LOG_TRACE (self, "unlocking @ process");
+ g_mutex_unlock (&priv->mutex);
- return result;
+ return result;
}
-gint er_dtls_connection_send(ErDtlsConnection *self, gpointer data, gint len)
+gint
+er_dtls_connection_send (ErDtlsConnection * self, gpointer data, gint len)
{
- g_return_val_if_fail(ER_IS_DTLS_CONNECTION(self), 0);
- int ret = 0;
+ g_return_val_if_fail (ER_IS_DTLS_CONNECTION (self), 0);
+ int ret = 0;
- g_return_val_if_fail(self->priv->ssl, 0);
- g_return_val_if_fail(self->priv->bio, 0);
+ g_return_val_if_fail (self->priv->ssl, 0);
+ g_return_val_if_fail (self->priv->bio, 0);
- LOG_TRACE(self, "locking @ send");
- g_mutex_lock(&self->priv->mutex);
- LOG_TRACE(self, "locked @ send");
+ LOG_TRACE (self, "locking @ send");
+ g_mutex_lock (&self->priv->mutex);
+ LOG_TRACE (self, "locked @ send");
- if (SSL_is_init_finished(self->priv->ssl)) {
- ret = SSL_write(self->priv->ssl, data, len);
- LOG_DEBUG(self, "data sent: input was %d B, output is %d B", len, ret);
- } else {
- LOG_WARNING(self, "tried to send data before handshake was complete");
- ret = 0;
- }
+ if (SSL_is_init_finished (self->priv->ssl)) {
+ ret = SSL_write (self->priv->ssl, data, len);
+ LOG_DEBUG (self, "data sent: input was %d B, output is %d B", len, ret);
+ } else {
+ LOG_WARNING (self, "tried to send data before handshake was complete");
+ ret = 0;
+ }
- LOG_TRACE(self, "unlocking @ send");
- g_mutex_unlock(&self->priv->mutex);
+ LOG_TRACE (self, "unlocking @ send");
+ g_mutex_unlock (&self->priv->mutex);
- return ret;
+ return ret;
}
/*
###### ####### ## ##
*/
-static void log_state(ErDtlsConnection *self, const gchar *str)
+static void
+log_state (ErDtlsConnection * self, const gchar * str)
{
- ErDtlsConnectionPrivate *priv = self->priv;
- guint states = 0;
-
- states |= (!!SSL_is_init_finished(priv->ssl) << 0);
- states |= (!!SSL_in_init(priv->ssl) << 4);
- states |= (!!SSL_in_before(priv->ssl) << 8);
- states |= (!!SSL_in_connect_init(priv->ssl) << 12);
- states |= (!!SSL_in_accept_init(priv->ssl) << 16);
- states |= (!!SSL_want_write(priv->ssl) << 20);
- states |= (!!SSL_want_read(priv->ssl) << 24);
-
- LOG_LOG(self, "%s: role=%s buf=(%d,%p:%d/%d) %x|%x %s",
- str,
- priv->is_client ? "client" : "server",
- pqueue_size(priv->ssl->d1->sent_messages),
- priv->bio_buffer,
- priv->bio_buffer_offset,
- priv->bio_buffer_len,
- states, SSL_get_state(priv->ssl),
- SSL_state_string_long(priv->ssl));
+ ErDtlsConnectionPrivate *priv = self->priv;
+ guint states = 0;
+
+ states |= (! !SSL_is_init_finished (priv->ssl) << 0);
+ states |= (! !SSL_in_init (priv->ssl) << 4);
+ states |= (! !SSL_in_before (priv->ssl) << 8);
+ states |= (! !SSL_in_connect_init (priv->ssl) << 12);
+ states |= (! !SSL_in_accept_init (priv->ssl) << 16);
+ states |= (! !SSL_want_write (priv->ssl) << 20);
+ states |= (! !SSL_want_read (priv->ssl) << 24);
+
+ LOG_LOG (self, "%s: role=%s buf=(%d,%p:%d/%d) %x|%x %s",
+ str,
+ priv->is_client ? "client" : "server",
+ pqueue_size (priv->ssl->d1->sent_messages),
+ priv->bio_buffer,
+ priv->bio_buffer_offset,
+ priv->bio_buffer_len,
+ states, SSL_get_state (priv->ssl), SSL_state_string_long (priv->ssl));
}
-static gpointer connection_timeout_thread_func(ErDtlsConnection *self)
+static gpointer
+connection_timeout_thread_func (ErDtlsConnection * self)
{
- ErDtlsConnectionPrivate *priv = self->priv;
- struct timeval timeout;
- gint64 end_time, wait_time;
- gint ret;
-
- while (priv->is_alive) {
- LOG_TRACE(self, "locking @ timeout");
- g_mutex_lock(&priv->mutex);
- LOG_TRACE(self, "locked @ timeout");
-
- if (DTLSv1_get_timeout(priv->ssl, &timeout)) {
- wait_time = timeout.tv_sec * G_USEC_PER_SEC + timeout.tv_usec;
-
- if (wait_time) {
- LOG_DEBUG(self, "waiting for %" G_GINT64_FORMAT " usec", wait_time);
-
- end_time = g_get_monotonic_time() + wait_time;
-
- LOG_TRACE(self, "wait @ timeout");
- g_cond_wait_until(&priv->condition, &priv->mutex, end_time);
- LOG_TRACE(self, "continued @ timeout");
- }
-
- ret = DTLSv1_handle_timeout(priv->ssl);
-
- LOG_DEBUG(self, "handle timeout returned %d, is_alive: %d", ret, priv->is_alive);
-
- if (ret < 0) {
- LOG_TRACE(self, "unlocking @ timeout failed");
- g_mutex_unlock(&priv->mutex);
- break; /* self failed after DTLS1_TMO_ALERT_COUNT (12) attempts */
- }
-
- if (ret > 0) {
- log_state(self, "handling timeout before poll");
- openssl_poll(self);
- log_state(self, "handling timeout after poll");
- }
- } else {
- LOG_DEBUG(self, "waiting indefinitely");
-
- priv->timeout_set = FALSE;
-
- while (!priv->timeout_set && priv->is_alive) {
- LOG_TRACE(self, "wait @ timeout");
- g_cond_wait(&priv->condition, &priv->mutex);
- }
- LOG_TRACE(self, "continued @ timeout");
- }
-
- LOG_TRACE(self, "unlocking @ timeout");
- g_mutex_unlock(&priv->mutex);
- }
+ ErDtlsConnectionPrivate *priv = self->priv;
+ struct timeval timeout;
+ gint64 end_time, wait_time;
+ gint ret;
- log_state(self, "timeout thread exiting");
+ while (priv->is_alive) {
+ LOG_TRACE (self, "locking @ timeout");
+ g_mutex_lock (&priv->mutex);
+ LOG_TRACE (self, "locked @ timeout");
- return NULL;
-}
+ if (DTLSv1_get_timeout (priv->ssl, &timeout)) {
+ wait_time = timeout.tv_sec * G_USEC_PER_SEC + timeout.tv_usec;
-static void export_srtp_keys(ErDtlsConnection *self)
-{
- typedef struct {
- guint8 v[SRTP_KEY_LEN];
- } Key;
-
- typedef struct {
- guint8 v[SRTP_SALT_LEN];
- } Salt;
-
- struct {
- Key client_key;
- Key server_key;
- Salt client_salt;
- Salt server_salt;
- } exported_keys;
-
- struct {
- Key key;
- Salt salt;
- } client_key, server_key;
-
- SRTP_PROTECTION_PROFILE *profile;
- ErDtlsSrtpCipher cipher;
- ErDtlsSrtpAuth auth;
- gint success;
-
- static gchar export_string[] = "EXTRACTOR-dtls_srtp";
-
- success = SSL_export_keying_material(self->priv->ssl,
- (gpointer) &exported_keys, 60, export_string, strlen(export_string), NULL, 0, 0);
-
- if (!success) {
- LOG_WARNING(self, "failed to export srtp keys");
- return;
- }
+ if (wait_time) {
+ LOG_DEBUG (self, "waiting for %" G_GINT64_FORMAT " usec", wait_time);
- profile = SSL_get_selected_srtp_profile(self->priv->ssl);
+ end_time = g_get_monotonic_time () + wait_time;
- LOG_INFO(self, "keys received, profile is %s", profile->name);
+ LOG_TRACE (self, "wait @ timeout");
+ g_cond_wait_until (&priv->condition, &priv->mutex, end_time);
+ LOG_TRACE (self, "continued @ timeout");
+ }
- switch (profile->id) {
- case SRTP_AES128_CM_SHA1_80:
- cipher = ER_DTLS_SRTP_CIPHER_AES_128_ICM;
- auth = ER_DTLS_SRTP_AUTH_HMAC_SHA1_80;
- break;
- case SRTP_AES128_CM_SHA1_32:
- cipher = ER_DTLS_SRTP_CIPHER_AES_128_ICM;
- auth = ER_DTLS_SRTP_AUTH_HMAC_SHA1_32;
- break;
- default:
- LOG_WARNING(self, "invalid crypto suite set by handshake");
- goto beach;
- }
+ ret = DTLSv1_handle_timeout (priv->ssl);
+
+ LOG_DEBUG (self, "handle timeout returned %d, is_alive: %d", ret,
+ priv->is_alive);
- client_key.key = exported_keys.client_key;
- server_key.key = exported_keys.server_key;
- client_key.salt = exported_keys.client_salt;
- server_key.salt = exported_keys.server_salt;
+ if (ret < 0) {
+ LOG_TRACE (self, "unlocking @ timeout failed");
+ g_mutex_unlock (&priv->mutex);
+ break; /* self failed after DTLS1_TMO_ALERT_COUNT (12) attempts */
+ }
- if (self->priv->is_client) {
- g_signal_emit(self, signals[SIGNAL_ON_ENCODER_KEY], 0, &client_key, cipher, auth);
- g_signal_emit(self, signals[SIGNAL_ON_DECODER_KEY], 0, &server_key, cipher, auth);
+ if (ret > 0) {
+ log_state (self, "handling timeout before poll");
+ openssl_poll (self);
+ log_state (self, "handling timeout after poll");
+ }
} else {
- g_signal_emit(self, signals[SIGNAL_ON_ENCODER_KEY], 0, &server_key, cipher, auth);
- g_signal_emit(self, signals[SIGNAL_ON_DECODER_KEY], 0, &client_key, cipher, auth);
+ LOG_DEBUG (self, "waiting indefinitely");
+
+ priv->timeout_set = FALSE;
+
+ while (!priv->timeout_set && priv->is_alive) {
+ LOG_TRACE (self, "wait @ timeout");
+ g_cond_wait (&priv->condition, &priv->mutex);
+ }
+ LOG_TRACE (self, "continued @ timeout");
}
+ LOG_TRACE (self, "unlocking @ timeout");
+ g_mutex_unlock (&priv->mutex);
+ }
+
+ log_state (self, "timeout thread exiting");
+
+ return NULL;
+}
+
+static void
+export_srtp_keys (ErDtlsConnection * self)
+{
+ typedef struct
+ {
+ guint8 v[SRTP_KEY_LEN];
+ } Key;
+
+ typedef struct
+ {
+ guint8 v[SRTP_SALT_LEN];
+ } Salt;
+
+ struct
+ {
+ Key client_key;
+ Key server_key;
+ Salt client_salt;
+ Salt server_salt;
+ } exported_keys;
+
+ struct
+ {
+ Key key;
+ Salt salt;
+ } client_key, server_key;
+
+ SRTP_PROTECTION_PROFILE *profile;
+ ErDtlsSrtpCipher cipher;
+ ErDtlsSrtpAuth auth;
+ gint success;
+
+ static gchar export_string[] = "EXTRACTOR-dtls_srtp";
+
+ success = SSL_export_keying_material (self->priv->ssl,
+ (gpointer) & exported_keys, 60, export_string, strlen (export_string),
+ NULL, 0, 0);
+
+ if (!success) {
+ LOG_WARNING (self, "failed to export srtp keys");
+ return;
+ }
+
+ profile = SSL_get_selected_srtp_profile (self->priv->ssl);
+
+ LOG_INFO (self, "keys received, profile is %s", profile->name);
+
+ switch (profile->id) {
+ case SRTP_AES128_CM_SHA1_80:
+ cipher = ER_DTLS_SRTP_CIPHER_AES_128_ICM;
+ auth = ER_DTLS_SRTP_AUTH_HMAC_SHA1_80;
+ break;
+ case SRTP_AES128_CM_SHA1_32:
+ cipher = ER_DTLS_SRTP_CIPHER_AES_128_ICM;
+ auth = ER_DTLS_SRTP_AUTH_HMAC_SHA1_32;
+ break;
+ default:
+ LOG_WARNING (self, "invalid crypto suite set by handshake");
+ goto beach;
+ }
+
+ client_key.key = exported_keys.client_key;
+ server_key.key = exported_keys.server_key;
+ client_key.salt = exported_keys.client_salt;
+ server_key.salt = exported_keys.server_salt;
+
+ if (self->priv->is_client) {
+ g_signal_emit (self, signals[SIGNAL_ON_ENCODER_KEY], 0, &client_key, cipher,
+ auth);
+ g_signal_emit (self, signals[SIGNAL_ON_DECODER_KEY], 0, &server_key, cipher,
+ auth);
+ } else {
+ g_signal_emit (self, signals[SIGNAL_ON_ENCODER_KEY], 0, &server_key, cipher,
+ auth);
+ g_signal_emit (self, signals[SIGNAL_ON_DECODER_KEY], 0, &client_key, cipher,
+ auth);
+ }
+
beach:
- self->priv->keys_exported = TRUE;
+ self->priv->keys_exported = TRUE;
}
-static void openssl_poll(ErDtlsConnection *self)
+static void
+openssl_poll (ErDtlsConnection * self)
{
- int ret;
- char buf[512];
- int error;
+ int ret;
+ char buf[512];
+ int error;
- log_state(self, "poll: before handshake");
+ log_state (self, "poll: before handshake");
- ret = SSL_do_handshake(self->priv->ssl);
+ ret = SSL_do_handshake (self->priv->ssl);
- log_state(self, "poll: after handshake");
+ log_state (self, "poll: after handshake");
- if (ret == 1) {
- if (!self->priv->keys_exported) {
- LOG_INFO(self, "handshake just completed successfully, exporting keys");
- export_srtp_keys(self);
- } else {
- LOG_INFO(self, "handshake is completed");
- }
- return;
+ if (ret == 1) {
+ if (!self->priv->keys_exported) {
+ LOG_INFO (self, "handshake just completed successfully, exporting keys");
+ export_srtp_keys (self);
+ } else {
+ LOG_INFO (self, "handshake is completed");
+ }
+ return;
+ } else {
+ if (ret == 0) {
+ LOG_DEBUG (self, "do_handshake encountered EOF");
+ } else if (ret == -1) {
+ LOG_WARNING (self, "do_handshake encountered BIO error");
} else {
- if (ret == 0) {
- LOG_DEBUG(self, "do_handshake encountered EOF");
- } else if (ret == -1) {
- LOG_WARNING(self, "do_handshake encountered BIO error");
- } else {
- LOG_DEBUG(self, "do_handshake returned %d", ret);
- }
+ LOG_DEBUG (self, "do_handshake returned %d", ret);
}
+ }
- error = SSL_get_error(self->priv->ssl, ret);
+ error = SSL_get_error (self->priv->ssl, ret);
- switch (error) {
+ switch (error) {
case SSL_ERROR_NONE:
- LOG_WARNING(self, "no error, handshake should be done");
- break;
+ LOG_WARNING (self, "no error, handshake should be done");
+ break;
case SSL_ERROR_SSL:
- LOG_LOG(self, "SSL error %d: %s", error, ERR_error_string(ERR_get_error(), buf));
- break;
+ LOG_LOG (self, "SSL error %d: %s", error,
+ ERR_error_string (ERR_get_error (), buf));
+ break;
case SSL_ERROR_WANT_READ:
- LOG_LOG(self, "SSL wants read");
- break;
+ LOG_LOG (self, "SSL wants read");
+ break;
case SSL_ERROR_WANT_WRITE:
- LOG_LOG(self, "SSL wants write");
- break;
- case SSL_ERROR_SYSCALL: {
- LOG_LOG(self, "SSL syscall (error) : %lu", ERR_get_error());
- break;
+ LOG_LOG (self, "SSL wants write");
+ break;
+ case SSL_ERROR_SYSCALL:{
+ LOG_LOG (self, "SSL syscall (error) : %lu", ERR_get_error ());
+ break;
}
default:
- LOG_WARNING(self, "Unknown SSL error: %d, ret: %d", error, ret);
- }
+ LOG_WARNING (self, "Unknown SSL error: %d, ret: %d", error, ret);
+ }
}
-static int openssl_verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
+static int
+openssl_verify_callback (int preverify_ok, X509_STORE_CTX * x509_ctx)
{
- ErDtlsConnection *self;
- SSL *ssl;
- BIO *bio;
- gchar *pem = NULL;
- gboolean accepted = FALSE;
-
- ssl = X509_STORE_CTX_get_ex_data(x509_ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
- self = SSL_get_ex_data(ssl, connection_ex_index);
- g_return_val_if_fail(ER_IS_DTLS_CONNECTION(self), FALSE);
-
- pem = _er_dtls_x509_to_pem(x509_ctx->cert);
-
- if (!pem) {
- LOG_WARNING(self, "failed to convert received certificate to pem format");
+ ErDtlsConnection *self;
+ SSL *ssl;
+ BIO *bio;
+ gchar *pem = NULL;
+ gboolean accepted = FALSE;
+
+ ssl =
+ X509_STORE_CTX_get_ex_data (x509_ctx,
+ SSL_get_ex_data_X509_STORE_CTX_idx ());
+ self = SSL_get_ex_data (ssl, connection_ex_index);
+ g_return_val_if_fail (ER_IS_DTLS_CONNECTION (self), FALSE);
+
+ pem = _er_dtls_x509_to_pem (x509_ctx->cert);
+
+ if (!pem) {
+ LOG_WARNING (self, "failed to convert received certificate to pem format");
+ } else {
+ bio = BIO_new (BIO_s_mem ());
+ if (bio) {
+ gchar buffer[2048];
+ gint len;
+
+ len =
+ X509_NAME_print_ex (bio, X509_get_subject_name (x509_ctx->cert), 1,
+ XN_FLAG_MULTILINE);
+ BIO_read (bio, buffer, len);
+ buffer[len] = '\0';
+ LOG_DEBUG (self, "Peer certificate received:\n%s", buffer);
+ BIO_free (bio);
} else {
- bio = BIO_new(BIO_s_mem());
- if (bio) {
- gchar buffer[2048];
- gint len;
-
- len = X509_NAME_print_ex(bio, X509_get_subject_name(x509_ctx->cert), 1, XN_FLAG_MULTILINE);
- BIO_read(bio, buffer, len);
- buffer[len] = '\0';
- LOG_DEBUG(self, "Peer certificate received:\n%s", buffer);
- BIO_free(bio);
- } else {
- LOG_DEBUG(self, "failed to create certificate print membio");
- }
-
- g_signal_emit(self, signals[SIGNAL_ON_PEER_CERTIFICATE], 0, pem, &accepted);
- g_free(pem);
+ LOG_DEBUG (self, "failed to create certificate print membio");
}
- return accepted;
+ g_signal_emit (self, signals[SIGNAL_ON_PEER_CERTIFICATE], 0, pem,
+ &accepted);
+ g_free (pem);
+ }
+
+ return accepted;
}
/*
*/
static BIO_METHOD custom_bio_methods = {
- BIO_TYPE_BIO,
- "stream",
- bio_method_write,
- bio_method_read,
- NULL,
- NULL,
- bio_method_ctrl,
- bio_method_new,
- bio_method_free,
- NULL,
+ BIO_TYPE_BIO,
+ "stream",
+ bio_method_write,
+ bio_method_read,
+ NULL,
+ NULL,
+ bio_method_ctrl,
+ bio_method_new,
+ bio_method_free,
+ NULL,
};
-static BIO_METHOD* BIO_s_er_dtls_connection()
+static BIO_METHOD *
+BIO_s_er_dtls_connection ()
{
- return &custom_bio_methods;
+ return &custom_bio_methods;
}
-static int bio_method_write(BIO *bio, const char *data, int size)
+static int
+bio_method_write (BIO * bio, const char *data, int size)
{
- ErDtlsConnection *self = ER_DTLS_CONNECTION(bio->ptr);
+ ErDtlsConnection *self = ER_DTLS_CONNECTION (bio->ptr);
- LOG_LOG(self, "BIO: writing %d", size);
+ LOG_LOG (self, "BIO: writing %d", size);
- if (self->priv->send_closure) {
- GValue values[3] = { G_VALUE_INIT };
+ if (self->priv->send_closure) {
+ GValue values[3] = { G_VALUE_INIT };
- g_value_init(&values[0], ER_TYPE_DTLS_CONNECTION);
- g_value_set_object(&values[0], self);
+ g_value_init (&values[0], ER_TYPE_DTLS_CONNECTION);
+ g_value_set_object (&values[0], self);
- g_value_init(&values[1], G_TYPE_POINTER);
- g_value_set_pointer(&values[1], (gpointer) data);
+ g_value_init (&values[1], G_TYPE_POINTER);
+ g_value_set_pointer (&values[1], (gpointer) data);
- g_value_init(&values[2], G_TYPE_INT);
- g_value_set_int(&values[2], size);
+ g_value_init (&values[2], G_TYPE_INT);
+ g_value_set_int (&values[2], size);
- g_closure_invoke(self->priv->send_closure, NULL, 3, values, NULL);
- }
+ g_closure_invoke (self->priv->send_closure, NULL, 3, values, NULL);
+ }
- return size;
+ return size;
}
-static int bio_method_read(BIO *bio, char *out_buffer, int size)
+static int
+bio_method_read (BIO * bio, char *out_buffer, int size)
{
- ErDtlsConnection *self = ER_DTLS_CONNECTION(bio->ptr);
- ErDtlsConnectionPrivate *priv = self->priv;
- guint internal_size;
- gint copy_size;
+ ErDtlsConnection *self = ER_DTLS_CONNECTION (bio->ptr);
+ ErDtlsConnectionPrivate *priv = self->priv;
+ guint internal_size;
+ gint copy_size;
- internal_size = priv->bio_buffer_len - priv->bio_buffer_offset;
+ internal_size = priv->bio_buffer_len - priv->bio_buffer_offset;
- if (!priv->bio_buffer) {
- LOG_LOG(self, "BIO: EOF");
- return 0;
- }
+ if (!priv->bio_buffer) {
+ LOG_LOG (self, "BIO: EOF");
+ return 0;
+ }
- if (!out_buffer || size <= 0) {
- LOG_WARNING(self, "BIO: read got invalid arguments");
- if (internal_size) {
- BIO_set_retry_read(bio);
- }
- return internal_size;
+ if (!out_buffer || size <= 0) {
+ LOG_WARNING (self, "BIO: read got invalid arguments");
+ if (internal_size) {
+ BIO_set_retry_read (bio);
}
+ return internal_size;
+ }
- if (size > internal_size) {
- copy_size = internal_size;
- } else {
- copy_size = size;
- }
+ if (size > internal_size) {
+ copy_size = internal_size;
+ } else {
+ copy_size = size;
+ }
- LOG_DEBUG(self, "reading %d/%d bytes %d at offset %d, output buff size is %d",
- copy_size, priv->bio_buffer_len, internal_size, priv->bio_buffer_offset, size);
+ LOG_DEBUG (self,
+ "reading %d/%d bytes %d at offset %d, output buff size is %d", copy_size,
+ priv->bio_buffer_len, internal_size, priv->bio_buffer_offset, size);
- memcpy(out_buffer, priv->bio_buffer + priv->bio_buffer_offset, copy_size);
- priv->bio_buffer_offset += copy_size;
+ memcpy (out_buffer, priv->bio_buffer + priv->bio_buffer_offset, copy_size);
+ priv->bio_buffer_offset += copy_size;
- if (priv->bio_buffer_len == priv->bio_buffer_offset) {
- priv->bio_buffer = NULL;
- }
+ if (priv->bio_buffer_len == priv->bio_buffer_offset) {
+ priv->bio_buffer = NULL;
+ }
- return copy_size;
+ return copy_size;
}
-static long bio_method_ctrl(BIO *bio, int cmd, long arg1, void *arg2)
+static long
+bio_method_ctrl (BIO * bio, int cmd, long arg1, void *arg2)
{
- ErDtlsConnection *self = ER_DTLS_CONNECTION(bio->ptr);
- ErDtlsConnectionPrivate *priv = self->priv;
+ ErDtlsConnection *self = ER_DTLS_CONNECTION (bio->ptr);
+ ErDtlsConnectionPrivate *priv = self->priv;
- switch (cmd) {
+ switch (cmd) {
case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
- LOG_LOG(self, "BIO: Timeout set");
- priv->timeout_set = TRUE;
- g_cond_signal(&priv->condition);
- return 1;
+ LOG_LOG (self, "BIO: Timeout set");
+ priv->timeout_set = TRUE;
+ g_cond_signal (&priv->condition);
+ return 1;
case BIO_CTRL_RESET:
- priv->bio_buffer = NULL;
- priv->bio_buffer_len = 0;
- priv->bio_buffer_offset = 0;
- LOG_LOG(self, "BIO: EOF reset");
- return 1;
- case BIO_CTRL_EOF: {
- gint eof = !(priv->bio_buffer_len - priv->bio_buffer_offset);
- LOG_LOG(self, "BIO: EOF query returned %d", eof);
- return eof;
+ priv->bio_buffer = NULL;
+ priv->bio_buffer_len = 0;
+ priv->bio_buffer_offset = 0;
+ LOG_LOG (self, "BIO: EOF reset");
+ return 1;
+ case BIO_CTRL_EOF:{
+ gint eof = !(priv->bio_buffer_len - priv->bio_buffer_offset);
+ LOG_LOG (self, "BIO: EOF query returned %d", eof);
+ return eof;
}
case BIO_CTRL_WPENDING:
- LOG_LOG(self, "BIO: pending write");
- return 1;
- case BIO_CTRL_PENDING: {
- gint pending = priv->bio_buffer_len - priv->bio_buffer_offset;
- LOG_LOG(self, "BIO: %d bytes pending", pending);
- return pending;
+ LOG_LOG (self, "BIO: pending write");
+ return 1;
+ case BIO_CTRL_PENDING:{
+ gint pending = priv->bio_buffer_len - priv->bio_buffer_offset;
+ LOG_LOG (self, "BIO: %d bytes pending", pending);
+ return pending;
}
case BIO_CTRL_FLUSH:
- LOG_LOG(self, "BIO: flushing");
- return 1;
+ LOG_LOG (self, "BIO: flushing");
+ return 1;
case BIO_CTRL_DGRAM_QUERY_MTU:
- LOG_DEBUG(self, "BIO: MTU query, returning 0...");
- return 0;
+ LOG_DEBUG (self, "BIO: MTU query, returning 0...");
+ return 0;
case BIO_CTRL_DGRAM_MTU_EXCEEDED:
- LOG_WARNING(self, "BIO: MTU exceeded");
- return 0;
+ LOG_WARNING (self, "BIO: MTU exceeded");
+ return 0;
default:
- LOG_LOG(self, "BIO: unhandled ctrl, %d", cmd);
- return 0;
- }
+ LOG_LOG (self, "BIO: unhandled ctrl, %d", cmd);
+ return 0;
+ }
}
-static int bio_method_new(BIO *bio)
+static int
+bio_method_new (BIO * bio)
{
- LOG_LOG(NULL, "BIO: new");
+ LOG_LOG (NULL, "BIO: new");
- bio->shutdown = 0;
- bio->init = 1;
+ bio->shutdown = 0;
+ bio->init = 1;
- return 1;
+ return 1;
}
-static int bio_method_free(BIO *bio)
+static int
+bio_method_free (BIO * bio)
{
- if (!bio) {
- LOG_LOG(NULL, "BIO free called with null bio");
- return 0;
- }
-
- LOG_LOG(ER_DTLS_CONNECTION(bio->ptr), "BIO free");
+ if (!bio) {
+ LOG_LOG (NULL, "BIO free called with null bio");
return 0;
+ }
+
+ LOG_LOG (ER_DTLS_CONNECTION (bio->ptr), "BIO free");
+ return 0;
}
#include "gstdtlscertificate.h"
-static GstStaticPadTemplate sink_template =
- GST_STATIC_PAD_TEMPLATE("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS("application/x-dtls")
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-dtls")
);
-static GstStaticPadTemplate src_template =
- GST_STATIC_PAD_TEMPLATE("src",
- GST_PAD_SRC,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS_ANY
- );
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
-GST_DEBUG_CATEGORY_STATIC(er_dtls_dec_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_dec_debug);
#define GST_CAT_DEFAULT er_dtls_dec_debug
#define gst_er_dtls_dec_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE(GstErDtlsDec, gst_er_dtls_dec, GST_TYPE_ELEMENT,
- GST_DEBUG_CATEGORY_INIT(er_dtls_dec_debug, "erdtlsdec", 0, "Ericsson DTLS Decoder"));
+G_DEFINE_TYPE_WITH_CODE (GstErDtlsDec, gst_er_dtls_dec, GST_TYPE_ELEMENT,
+ GST_DEBUG_CATEGORY_INIT (er_dtls_dec_debug, "erdtlsdec", 0,
+ "Ericsson DTLS Decoder"));
#define UNUSED(param) while (0) { (void)(param); }
-enum {
- SIGNAL_ON_KEY_RECEIVED,
- NUM_SIGNALS
+enum
+{
+ SIGNAL_ON_KEY_RECEIVED,
+ NUM_SIGNALS
};
static guint signals[NUM_SIGNALS];
-enum {
- PROP_0,
- PROP_CONNECTION_ID,
- PROP_PEM,
- PROP_PEER_PEM,
-
- PROP_DECODER_KEY,
- PROP_SRTP_CIPHER,
- PROP_SRTP_AUTH,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_CONNECTION_ID,
+ PROP_PEM,
+ PROP_PEER_PEM,
+
+ PROP_DECODER_KEY,
+ PROP_SRTP_CIPHER,
+ PROP_SRTP_AUTH,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define DEFAULT_SRTP_AUTH 0
-static void gst_er_dtls_dec_finalize(GObject *);
-static void gst_er_dtls_dec_dispose(GObject *);
-static void gst_er_dtls_dec_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void gst_er_dtls_dec_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
-
-static GstStateChangeReturn gst_er_dtls_dec_change_state(GstElement *, GstStateChange);
-static GstPad *gst_er_dtls_dec_request_new_pad(GstElement *, GstPadTemplate *, const gchar *name, const GstCaps *);
-static void gst_er_dtls_dec_release_pad(GstElement *, GstPad *);
-
-static void on_key_received(ErDtlsConnection *, gpointer key, guint cipher, guint auth, GstErDtlsDec *);
-static gboolean on_peer_certificate_received(ErDtlsConnection *, gchar *pem, GstErDtlsDec *);
-static GstFlowReturn sink_chain(GstPad *, GstObject *parent, GstBuffer *);
-
-static ErDtlsAgent *get_agent_by_pem(const gchar *pem);
-static void agent_weak_ref_notify(gchar *pem, ErDtlsAgent *);
-static void create_connection(GstErDtlsDec *, gchar *id);
-static void connection_weak_ref_notify(gchar *id, ErDtlsConnection *);
-
-static void gst_er_dtls_dec_class_init(GstErDtlsDecClass *klass)
+static void gst_er_dtls_dec_finalize (GObject *);
+static void gst_er_dtls_dec_dispose (GObject *);
+static void gst_er_dtls_dec_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void gst_er_dtls_dec_get_property (GObject *, guint prop_id, GValue *,
+ GParamSpec *);
+
+static GstStateChangeReturn gst_er_dtls_dec_change_state (GstElement *,
+ GstStateChange);
+static GstPad *gst_er_dtls_dec_request_new_pad (GstElement *, GstPadTemplate *,
+ const gchar * name, const GstCaps *);
+static void gst_er_dtls_dec_release_pad (GstElement *, GstPad *);
+
+static void on_key_received (ErDtlsConnection *, gpointer key, guint cipher,
+ guint auth, GstErDtlsDec *);
+static gboolean on_peer_certificate_received (ErDtlsConnection *, gchar * pem,
+ GstErDtlsDec *);
+static GstFlowReturn sink_chain (GstPad *, GstObject * parent, GstBuffer *);
+
+static ErDtlsAgent *get_agent_by_pem (const gchar * pem);
+static void agent_weak_ref_notify (gchar * pem, ErDtlsAgent *);
+static void create_connection (GstErDtlsDec *, gchar * id);
+static void connection_weak_ref_notify (gchar * id, ErDtlsConnection *);
+
+static void
+gst_er_dtls_dec_class_init (GstErDtlsDecClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = (GObjectClass *) klass;
- element_class = (GstElementClass *) klass;
-
- gobject_class->finalize = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_finalize);
- gobject_class->dispose = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_dispose);
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_get_property);
-
- element_class->change_state = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_change_state);
- element_class->request_new_pad = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_request_new_pad);
- element_class->release_pad = GST_DEBUG_FUNCPTR(gst_er_dtls_dec_release_pad);
-
- signals[SIGNAL_ON_KEY_RECEIVED] =
- g_signal_new("on-key-received", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_NONE, 0);
-
- properties[PROP_CONNECTION_ID] =
- g_param_spec_string("connection-id",
- "Connection id",
- "Every encoder/decoder pair should have the same, unique, connection-id",
- DEFAULT_CONNECTION_ID,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_PEM] =
- g_param_spec_string("pem",
- "PEM string",
- "A string containing a X509 certificate and RSA private key in PEM format",
- DEFAULT_PEM,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_PEER_PEM] =
- g_param_spec_string("peer-pem",
- "Peer PEM string",
- "The X509 certificate received in the DTLS handshake, in PEM format",
- DEFAULT_PEER_PEM,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_DECODER_KEY] =
- g_param_spec_boxed("decoder-key",
- "Decoder key",
- "SRTP key that should be used by the decider",
- GST_TYPE_CAPS,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_CIPHER] =
- g_param_spec_uint("srtp-cipher",
- "SRTP cipher",
- "The SRTP cipher selected in the DTLS handshake. "
- "The value will be set to an ErDtlsSrtpCipher.",
- 0, ER_DTLS_SRTP_CIPHER_AES_128_ICM, DEFAULT_SRTP_CIPHER,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_AUTH] =
- g_param_spec_uint("srtp-auth",
- "SRTP authentication",
- "The SRTP authentication selected in the DTLS handshake. "
- "The value will be set to an ErDtlsSrtpAuth.",
- 0, ER_DTLS_SRTP_AUTH_HMAC_SHA1_80, DEFAULT_SRTP_AUTH,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
-
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&src_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&sink_template));
-
- gst_element_class_set_static_metadata(element_class,
- "DTLS Decoder",
- "Decoder/Network/DTLS",
- "Decodes DTLS packets",
- "Patrik Oldsberg patrik.oldsberg@ericsson.com");
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_er_dtls_dec_finalize);
+ gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_er_dtls_dec_dispose);
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_dec_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_dec_get_property);
+
+ element_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_dec_change_state);
+ element_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_dec_request_new_pad);
+ element_class->release_pad = GST_DEBUG_FUNCPTR (gst_er_dtls_dec_release_pad);
+
+ signals[SIGNAL_ON_KEY_RECEIVED] =
+ g_signal_new ("on-key-received", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0);
+
+ properties[PROP_CONNECTION_ID] =
+ g_param_spec_string ("connection-id",
+ "Connection id",
+ "Every encoder/decoder pair should have the same, unique, connection-id",
+ DEFAULT_CONNECTION_ID, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PEM] =
+ g_param_spec_string ("pem",
+ "PEM string",
+ "A string containing a X509 certificate and RSA private key in PEM format",
+ DEFAULT_PEM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PEER_PEM] =
+ g_param_spec_string ("peer-pem",
+ "Peer PEM string",
+ "The X509 certificate received in the DTLS handshake, in PEM format",
+ DEFAULT_PEER_PEM, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_DECODER_KEY] =
+ g_param_spec_boxed ("decoder-key",
+ "Decoder key",
+ "SRTP key that should be used by the decider",
+ GST_TYPE_CAPS, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_CIPHER] =
+ g_param_spec_uint ("srtp-cipher",
+ "SRTP cipher",
+ "The SRTP cipher selected in the DTLS handshake. "
+ "The value will be set to an ErDtlsSrtpCipher.",
+ 0, ER_DTLS_SRTP_CIPHER_AES_128_ICM, DEFAULT_SRTP_CIPHER,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_AUTH] =
+ g_param_spec_uint ("srtp-auth",
+ "SRTP authentication",
+ "The SRTP authentication selected in the DTLS handshake. "
+ "The value will be set to an ErDtlsSrtpAuth.",
+ 0, ER_DTLS_SRTP_AUTH_HMAC_SHA1_80, DEFAULT_SRTP_AUTH,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+
+ gst_element_class_set_static_metadata (element_class,
+ "DTLS Decoder",
+ "Decoder/Network/DTLS",
+ "Decodes DTLS packets", "Patrik Oldsberg patrik.oldsberg@ericsson.com");
}
-static void gst_er_dtls_dec_init(GstErDtlsDec *self)
+static void
+gst_er_dtls_dec_init (GstErDtlsDec * self)
{
- GstPad *sink;
- self->agent = get_agent_by_pem(NULL);
- self->connection_id = NULL;
- self->connection = NULL;
- self->peer_pem = NULL;
+ GstPad *sink;
+ self->agent = get_agent_by_pem (NULL);
+ self->connection_id = NULL;
+ self->connection = NULL;
+ self->peer_pem = NULL;
- self->decoder_key = NULL;
- self->srtp_cipher = DEFAULT_SRTP_CIPHER;
- self->srtp_auth = DEFAULT_SRTP_AUTH;
+ self->decoder_key = NULL;
+ self->srtp_cipher = DEFAULT_SRTP_CIPHER;
+ self->srtp_auth = DEFAULT_SRTP_AUTH;
- g_mutex_init(&self->src_mutex);
+ g_mutex_init (&self->src_mutex);
- self->src = NULL;
- sink = gst_pad_new_from_static_template(&sink_template, "sink");
- g_return_if_fail(sink);
+ self->src = NULL;
+ sink = gst_pad_new_from_static_template (&sink_template, "sink");
+ g_return_if_fail (sink);
- gst_pad_set_chain_function(sink, GST_DEBUG_FUNCPTR(sink_chain));
+ gst_pad_set_chain_function (sink, GST_DEBUG_FUNCPTR (sink_chain));
- gst_element_add_pad(GST_ELEMENT(self), sink);
+ gst_element_add_pad (GST_ELEMENT (self), sink);
}
-static void gst_er_dtls_dec_finalize(GObject *object)
+static void
+gst_er_dtls_dec_finalize (GObject * object)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(object);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (object);
- if (self->decoder_key) {
- gst_buffer_unref(self->decoder_key);
- self->decoder_key = NULL;
- }
+ if (self->decoder_key) {
+ gst_buffer_unref (self->decoder_key);
+ self->decoder_key = NULL;
+ }
- g_free(self->connection_id);
- self->connection_id = NULL;
+ g_free (self->connection_id);
+ self->connection_id = NULL;
- g_free(self->peer_pem);
- self->peer_pem = NULL;
+ g_free (self->peer_pem);
+ self->peer_pem = NULL;
- g_mutex_clear(&self->src_mutex);
+ g_mutex_clear (&self->src_mutex);
- GST_LOG_OBJECT(self, "finalized");
+ GST_LOG_OBJECT (self, "finalized");
- G_OBJECT_CLASS(parent_class)->finalize(object);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static void gst_er_dtls_dec_dispose(GObject *object)
+static void
+gst_er_dtls_dec_dispose (GObject * object)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(object);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (object);
- if (self->agent) {
- g_object_unref(self->agent);
- self->agent = NULL;
- }
+ if (self->agent) {
+ g_object_unref (self->agent);
+ self->agent = NULL;
+ }
- if (self->connection) {
- g_object_unref(self->connection);
- self->connection = NULL;
- }
+ if (self->connection) {
+ g_object_unref (self->connection);
+ self->connection = NULL;
+ }
}
-static void gst_er_dtls_dec_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_dec_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(object);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- g_free(self->connection_id);
- self->connection_id = g_value_dup_string(value);
- g_return_if_fail(self->agent);
- create_connection(self, self->connection_id);
- break;
+ g_free (self->connection_id);
+ self->connection_id = g_value_dup_string (value);
+ g_return_if_fail (self->agent);
+ create_connection (self, self->connection_id);
+ break;
case PROP_PEM:
- if (self->agent) {
- g_object_unref(self->agent);
- }
- self->agent = get_agent_by_pem(g_value_get_string(value));
- if (self->connection_id) {
- create_connection(self, self->connection_id);
- }
- break;
+ if (self->agent) {
+ g_object_unref (self->agent);
+ }
+ self->agent = get_agent_by_pem (g_value_get_string (value));
+ if (self->connection_id) {
+ create_connection (self, self->connection_id);
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void gst_er_dtls_dec_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_dec_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(object);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- g_value_set_string(value, self->connection_id);
- break;
+ g_value_set_string (value, self->connection_id);
+ break;
case PROP_PEM:
- g_value_take_string(value, er_dtls_agent_get_certificate_pem(self->agent));
- break;
+ g_value_take_string (value,
+ er_dtls_agent_get_certificate_pem (self->agent));
+ break;
case PROP_PEER_PEM:
- g_value_set_string(value, self->peer_pem);
- break;
+ g_value_set_string (value, self->peer_pem);
+ break;
case PROP_DECODER_KEY:
- g_value_set_boxed(value, self->decoder_key);
- break;
+ g_value_set_boxed (value, self->decoder_key);
+ break;
case PROP_SRTP_CIPHER:
- g_value_set_uint(value, self->srtp_cipher);
- break;
+ g_value_set_uint (value, self->srtp_cipher);
+ break;
case PROP_SRTP_AUTH:
- g_value_set_uint(value, self->srtp_auth);
- break;
+ g_value_set_uint (value, self->srtp_auth);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static GstStateChangeReturn gst_er_dtls_dec_change_state(GstElement *element, GstStateChange transition)
+static GstStateChangeReturn
+gst_er_dtls_dec_change_state (GstElement * element, GstStateChange transition)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(element);
- GstStateChangeReturn ret;
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (element);
+ GstStateChangeReturn ret;
- switch (transition) {
+ switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
- if (self->connection) {
- g_signal_connect_object(self->connection,
- "on-decoder-key", G_CALLBACK(on_key_received), self, 0);
- g_signal_connect_object(self->connection,
- "on-peer-certificate", G_CALLBACK(on_peer_certificate_received), self, 0);
- } else {
- GST_WARNING_OBJECT(self, "trying to change state to ready without connection id and pem");
- return GST_STATE_CHANGE_FAILURE;
- }
- break;
+ if (self->connection) {
+ g_signal_connect_object (self->connection,
+ "on-decoder-key", G_CALLBACK (on_key_received), self, 0);
+ g_signal_connect_object (self->connection,
+ "on-peer-certificate", G_CALLBACK (on_peer_certificate_received),
+ self, 0);
+ } else {
+ GST_WARNING_OBJECT (self,
+ "trying to change state to ready without connection id and pem");
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
default:
- break;
- }
+ break;
+ }
- ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition);
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
- return ret;
+ return ret;
}
-static GstPad *gst_er_dtls_dec_request_new_pad(GstElement *element,
- GstPadTemplate *tmpl, const gchar *name, const GstCaps *caps)
+static GstPad *
+gst_er_dtls_dec_request_new_pad (GstElement * element,
+ GstPadTemplate * tmpl, const gchar * name, const GstCaps * caps)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(element);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (element);
- GST_DEBUG_OBJECT(element, "requesting pad");
+ GST_DEBUG_OBJECT (element, "requesting pad");
- g_return_val_if_fail(!self->src, NULL);
- g_return_val_if_fail(tmpl->direction == GST_PAD_SRC, NULL);
+ g_return_val_if_fail (!self->src, NULL);
+ g_return_val_if_fail (tmpl->direction == GST_PAD_SRC, NULL);
- g_mutex_lock(&self->src_mutex);
+ g_mutex_lock (&self->src_mutex);
- self->src = gst_pad_new_from_template(tmpl, name);
- g_return_val_if_fail(self->src, NULL);
+ self->src = gst_pad_new_from_template (tmpl, name);
+ g_return_val_if_fail (self->src, NULL);
- if (caps) {
- g_object_set(self->src, "caps", caps, NULL);
- }
+ if (caps) {
+ g_object_set (self->src, "caps", caps, NULL);
+ }
- gst_pad_set_active(self->src, TRUE);
- gst_element_add_pad(element, self->src);
+ gst_pad_set_active (self->src, TRUE);
+ gst_element_add_pad (element, self->src);
- g_mutex_unlock(&self->src_mutex);
+ g_mutex_unlock (&self->src_mutex);
- return self->src;
+ return self->src;
}
-static void gst_er_dtls_dec_release_pad(GstElement *element, GstPad *pad)
+static void
+gst_er_dtls_dec_release_pad (GstElement * element, GstPad * pad)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(element);
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (element);
- g_mutex_lock(&self->src_mutex);
+ g_mutex_lock (&self->src_mutex);
- g_return_if_fail(self->src == pad);
- gst_element_remove_pad(element, self->src);
- self->src = NULL;
+ g_return_if_fail (self->src == pad);
+ gst_element_remove_pad (element, self->src);
+ self->src = NULL;
- GST_DEBUG_OBJECT(self, "releasing src pad");
+ GST_DEBUG_OBJECT (self, "releasing src pad");
- g_mutex_unlock(&self->src_mutex);
+ g_mutex_unlock (&self->src_mutex);
- GST_ELEMENT_GET_CLASS(element)->release_pad(element, pad);
+ GST_ELEMENT_GET_CLASS (element)->release_pad (element, pad);
}
-static void on_key_received(ErDtlsConnection *connection, gpointer key, guint cipher, guint auth, GstErDtlsDec *self)
+static void
+on_key_received (ErDtlsConnection * connection, gpointer key, guint cipher,
+ guint auth, GstErDtlsDec * self)
{
- gpointer key_dup;
- gchar *key_str;
+ gpointer key_dup;
+ gchar *key_str;
- UNUSED(connection);
- g_return_if_fail(GST_IS_ER_DTLS_DEC(self));
+ UNUSED (connection);
+ g_return_if_fail (GST_IS_ER_DTLS_DEC (self));
- self->srtp_cipher = cipher;
- self->srtp_auth = auth;
+ self->srtp_cipher = cipher;
+ self->srtp_auth = auth;
- key_dup = g_memdup(key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- self->decoder_key = gst_buffer_new_wrapped(key_dup, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ key_dup = g_memdup (key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ self->decoder_key =
+ gst_buffer_new_wrapped (key_dup, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- key_str = g_base64_encode(key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- GST_INFO_OBJECT(self, "received key: %s", key_str);
- g_free(key_str);
+ key_str = g_base64_encode (key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ GST_INFO_OBJECT (self, "received key: %s", key_str);
+ g_free (key_str);
- g_signal_emit(self, signals[SIGNAL_ON_KEY_RECEIVED], 0);
+ g_signal_emit (self, signals[SIGNAL_ON_KEY_RECEIVED], 0);
}
-static gboolean signal_peer_certificate_received(GWeakRef *ref)
+static gboolean
+signal_peer_certificate_received (GWeakRef * ref)
{
- GstErDtlsDec *self;
+ GstErDtlsDec *self;
- self = g_weak_ref_get(ref);
- g_weak_ref_clear(ref);
- g_free(ref);
- ref = NULL;
+ self = g_weak_ref_get (ref);
+ g_weak_ref_clear (ref);
+ g_free (ref);
+ ref = NULL;
- if (self) {
- g_object_notify_by_pspec(G_OBJECT(self), properties[PROP_PEER_PEM]);
- g_object_unref(self);
- self = NULL;
- }
+ if (self) {
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PEER_PEM]);
+ g_object_unref (self);
+ self = NULL;
+ }
- return FALSE;
+ return FALSE;
}
-static gboolean on_peer_certificate_received(ErDtlsConnection *connection, gchar *pem, GstErDtlsDec *self)
+static gboolean
+on_peer_certificate_received (ErDtlsConnection * connection, gchar * pem,
+ GstErDtlsDec * self)
{
- GWeakRef *ref;
+ GWeakRef *ref;
- UNUSED(connection);
- g_return_val_if_fail(GST_IS_ER_DTLS_DEC(self), TRUE);
+ UNUSED (connection);
+ g_return_val_if_fail (GST_IS_ER_DTLS_DEC (self), TRUE);
- GST_DEBUG_OBJECT(self, "Received peer certificate PEM: \n%s", pem);
+ GST_DEBUG_OBJECT (self, "Received peer certificate PEM: \n%s", pem);
- self->peer_pem = g_strdup(pem);
+ self->peer_pem = g_strdup (pem);
- ref = g_new(GWeakRef, 1);
- g_weak_ref_init(ref, self);
+ ref = g_new (GWeakRef, 1);
+ g_weak_ref_init (ref, self);
- g_idle_add((GSourceFunc) signal_peer_certificate_received, ref);
+ g_idle_add ((GSourceFunc) signal_peer_certificate_received, ref);
- return TRUE;
+ return TRUE;
}
-static GstFlowReturn sink_chain(GstPad *pad, GstObject *parent, GstBuffer *buffer)
+static GstFlowReturn
+sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
- GstErDtlsDec *self = GST_ER_DTLS_DEC(parent);
- GstFlowReturn ret = GST_FLOW_OK;
- GstMapInfo map_info = GST_MAP_INFO_INIT;
- gint size;
-
- if (!self->agent) {
- gst_buffer_unref(buffer);
- return GST_FLOW_OK;
- }
+ GstErDtlsDec *self = GST_ER_DTLS_DEC (parent);
+ GstFlowReturn ret = GST_FLOW_OK;
+ GstMapInfo map_info = GST_MAP_INFO_INIT;
+ gint size;
- GST_DEBUG_OBJECT(self, "received buffer from %s with length %zd",
- self->connection_id, gst_buffer_get_size(buffer));
+ if (!self->agent) {
+ gst_buffer_unref (buffer);
+ return GST_FLOW_OK;
+ }
- gst_buffer_map(buffer, &map_info, GST_MAP_READWRITE);
+ GST_DEBUG_OBJECT (self, "received buffer from %s with length %zd",
+ self->connection_id, gst_buffer_get_size (buffer));
- if (!map_info.size) {
- gst_buffer_unmap(buffer, &map_info);
- return GST_FLOW_OK;
- }
+ gst_buffer_map (buffer, &map_info, GST_MAP_READWRITE);
- size = er_dtls_connection_process(self->connection, map_info.data, map_info.size);
- gst_buffer_unmap(buffer, &map_info);
+ if (!map_info.size) {
+ gst_buffer_unmap (buffer, &map_info);
+ return GST_FLOW_OK;
+ }
- if (size <= 0) {
- gst_buffer_unref(buffer);
+ size =
+ er_dtls_connection_process (self->connection, map_info.data,
+ map_info.size);
+ gst_buffer_unmap (buffer, &map_info);
- return GST_FLOW_OK;
- }
+ if (size <= 0) {
+ gst_buffer_unref (buffer);
- g_mutex_lock(&self->src_mutex);
+ return GST_FLOW_OK;
+ }
- if (self->src) {
- gst_buffer_set_size(buffer, size);
- GST_LOG_OBJECT(self, "decoded buffer with length %d, pushing", size);
- ret = gst_pad_push(self->src, buffer);
- } else {
- GST_LOG_OBJECT(self, "dropped buffer with length %d, not linked", size);
- gst_buffer_unref(buffer);
- }
+ g_mutex_lock (&self->src_mutex);
+
+ if (self->src) {
+ gst_buffer_set_size (buffer, size);
+ GST_LOG_OBJECT (self, "decoded buffer with length %d, pushing", size);
+ ret = gst_pad_push (self->src, buffer);
+ } else {
+ GST_LOG_OBJECT (self, "dropped buffer with length %d, not linked", size);
+ gst_buffer_unref (buffer);
+ }
- g_mutex_unlock(&self->src_mutex);
+ g_mutex_unlock (&self->src_mutex);
- return ret;
+ return ret;
}
static GHashTable *agent_table = NULL;
-G_LOCK_DEFINE_STATIC(agent_table);
+G_LOCK_DEFINE_STATIC (agent_table);
static ErDtlsAgent *generated_cert_agent = NULL;
-static ErDtlsAgent *get_agent_by_pem(const gchar *pem)
+static ErDtlsAgent *
+get_agent_by_pem (const gchar * pem)
{
- ErDtlsAgent *agent;
+ ErDtlsAgent *agent;
- if (!pem) {
- if (g_once_init_enter (&generated_cert_agent)) {
- ErDtlsAgent *new_agent;
+ if (!pem) {
+ if (g_once_init_enter (&generated_cert_agent)) {
+ ErDtlsAgent *new_agent;
- new_agent = g_object_new(ER_TYPE_DTLS_AGENT, "certificate",
- g_object_new(ER_TYPE_DTLS_CERTIFICATE, NULL), NULL);
+ new_agent = g_object_new (ER_TYPE_DTLS_AGENT, "certificate",
+ g_object_new (ER_TYPE_DTLS_CERTIFICATE, NULL), NULL);
- GST_DEBUG_OBJECT(generated_cert_agent, "no agent with generated cert found, creating new");
- g_once_init_leave (&generated_cert_agent, new_agent);
- } else {
- GST_DEBUG_OBJECT(generated_cert_agent, "using agent with generated cert");
- }
-
- agent = generated_cert_agent;
- g_object_ref(agent);
+ GST_DEBUG_OBJECT (generated_cert_agent,
+ "no agent with generated cert found, creating new");
+ g_once_init_leave (&generated_cert_agent, new_agent);
} else {
- G_LOCK(agent_table);
+ GST_DEBUG_OBJECT (generated_cert_agent,
+ "using agent with generated cert");
+ }
- if (!agent_table) {
- agent_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
- }
+ agent = generated_cert_agent;
+ g_object_ref (agent);
+ } else {
+ G_LOCK (agent_table);
- agent = ER_DTLS_AGENT(g_hash_table_lookup(agent_table, pem));
+ if (!agent_table) {
+ agent_table =
+ g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ }
- if (!agent) {
- agent = g_object_new(ER_TYPE_DTLS_AGENT,
- "certificate", g_object_new(ER_TYPE_DTLS_CERTIFICATE, "pem", pem, NULL), NULL);
+ agent = ER_DTLS_AGENT (g_hash_table_lookup (agent_table, pem));
- g_object_weak_ref(G_OBJECT(agent), (GWeakNotify) agent_weak_ref_notify, (gpointer) g_strdup(pem));
+ if (!agent) {
+ agent = g_object_new (ER_TYPE_DTLS_AGENT,
+ "certificate", g_object_new (ER_TYPE_DTLS_CERTIFICATE, "pem", pem,
+ NULL), NULL);
- g_hash_table_insert(agent_table, g_strdup(pem), agent);
+ g_object_weak_ref (G_OBJECT (agent), (GWeakNotify) agent_weak_ref_notify,
+ (gpointer) g_strdup (pem));
- GST_DEBUG_OBJECT(agent, "no agent found, created new");
- } else {
- g_object_ref(agent);
- GST_DEBUG_OBJECT(agent, "agent found");
- }
+ g_hash_table_insert (agent_table, g_strdup (pem), agent);
- G_UNLOCK(agent_table);
+ GST_DEBUG_OBJECT (agent, "no agent found, created new");
+ } else {
+ g_object_ref (agent);
+ GST_DEBUG_OBJECT (agent, "agent found");
}
+ G_UNLOCK (agent_table);
+ }
+
- return agent;
+ return agent;
}
-static void agent_weak_ref_notify(gchar *pem, ErDtlsAgent *agent)
+static void
+agent_weak_ref_notify (gchar * pem, ErDtlsAgent * agent)
{
- UNUSED(agent);
+ UNUSED (agent);
- G_LOCK(agent_table);
- g_hash_table_remove(agent_table, pem);
- G_UNLOCK(agent_table);
+ G_LOCK (agent_table);
+ g_hash_table_remove (agent_table, pem);
+ G_UNLOCK (agent_table);
- g_free(pem);
- pem = NULL;
+ g_free (pem);
+ pem = NULL;
}
static GHashTable *connection_table = NULL;
-G_LOCK_DEFINE_STATIC(connection_table);
+G_LOCK_DEFINE_STATIC (connection_table);
-ErDtlsConnection *gst_er_dtls_dec_fetch_connection(gchar *id)
+ErDtlsConnection *
+gst_er_dtls_dec_fetch_connection (gchar * id)
{
- ErDtlsConnection *connection;
- g_return_val_if_fail(id, NULL);
+ ErDtlsConnection *connection;
+ g_return_val_if_fail (id, NULL);
- GST_DEBUG("fetching '%s' from connection table, size is %d",
- id, g_hash_table_size(connection_table));
+ GST_DEBUG ("fetching '%s' from connection table, size is %d",
+ id, g_hash_table_size (connection_table));
- G_LOCK(connection_table);
+ G_LOCK (connection_table);
- connection = g_hash_table_lookup(connection_table, id);
+ connection = g_hash_table_lookup (connection_table, id);
- if (connection) {
- g_object_ref(connection);
- g_hash_table_remove(connection_table, id);
- } else {
- GST_WARNING("no connection with id '%s' found", id);
- }
+ if (connection) {
+ g_object_ref (connection);
+ g_hash_table_remove (connection_table, id);
+ } else {
+ GST_WARNING ("no connection with id '%s' found", id);
+ }
- G_UNLOCK(connection_table);
+ G_UNLOCK (connection_table);
- return connection;
+ return connection;
}
-static void create_connection(GstErDtlsDec *self, gchar *id)
+static void
+create_connection (GstErDtlsDec * self, gchar * id)
{
- g_return_if_fail(GST_IS_ER_DTLS_DEC(self));
- g_return_if_fail(ER_IS_DTLS_AGENT(self->agent));
+ g_return_if_fail (GST_IS_ER_DTLS_DEC (self));
+ g_return_if_fail (ER_IS_DTLS_AGENT (self->agent));
- if (self->connection) {
- g_object_unref(self->connection);
- self->connection = NULL;
- }
+ if (self->connection) {
+ g_object_unref (self->connection);
+ self->connection = NULL;
+ }
- G_LOCK(connection_table);
+ G_LOCK (connection_table);
- if (!connection_table) {
- connection_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
- }
+ if (!connection_table) {
+ connection_table =
+ g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ }
- if (g_hash_table_contains(connection_table, id)) {
- G_UNLOCK(connection_table);
+ if (g_hash_table_contains (connection_table, id)) {
+ G_UNLOCK (connection_table);
- g_return_if_reached();
- }
+ g_return_if_reached ();
+ }
- self->connection = g_object_new(ER_TYPE_DTLS_CONNECTION, "agent", self->agent, NULL);
+ self->connection =
+ g_object_new (ER_TYPE_DTLS_CONNECTION, "agent", self->agent, NULL);
- g_object_weak_ref(G_OBJECT(self->connection), (GWeakNotify) connection_weak_ref_notify, g_strdup(id));
+ g_object_weak_ref (G_OBJECT (self->connection),
+ (GWeakNotify) connection_weak_ref_notify, g_strdup (id));
- g_hash_table_insert(connection_table, g_strdup(id), self->connection);
+ g_hash_table_insert (connection_table, g_strdup (id), self->connection);
- G_UNLOCK(connection_table);
+ G_UNLOCK (connection_table);
}
-static void connection_weak_ref_notify(gchar *id, ErDtlsConnection *connection)
+static void
+connection_weak_ref_notify (gchar * id, ErDtlsConnection * connection)
{
- UNUSED(connection);
+ UNUSED (connection);
- G_LOCK(connection_table);
- g_hash_table_remove(connection_table, id);
- G_UNLOCK(connection_table);
+ G_LOCK (connection_table);
+ g_hash_table_remove (connection_table, id);
+ G_UNLOCK (connection_table);
- g_free(id);
- id = NULL;
+ g_free (id);
+ id = NULL;
}
#include "gstdtlsdec.h"
-static GstStaticPadTemplate sink_template =
- GST_STATIC_PAD_TEMPLATE("sink",
- GST_PAD_SINK,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS_ANY
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-dtls")
);
-static GstStaticPadTemplate src_template =
- GST_STATIC_PAD_TEMPLATE("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS("application/x-dtls")
- );
-
-GST_DEBUG_CATEGORY_STATIC(er_dtls_enc_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_enc_debug);
#define GST_CAT_DEFAULT er_dtls_enc_debug
#define gst_er_dtls_enc_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE(GstErDtlsEnc, gst_er_dtls_enc, GST_TYPE_ELEMENT,
- GST_DEBUG_CATEGORY_INIT(er_dtls_enc_debug, "erdtlsenc", 0, "Ericsson DTLS Encoder"));
+G_DEFINE_TYPE_WITH_CODE (GstErDtlsEnc, gst_er_dtls_enc, GST_TYPE_ELEMENT,
+ GST_DEBUG_CATEGORY_INIT (er_dtls_enc_debug, "erdtlsenc", 0,
+ "Ericsson DTLS Encoder"));
-enum {
- SIGNAL_ON_KEY_RECEIVED,
- NUM_SIGNALS
+enum
+{
+ SIGNAL_ON_KEY_RECEIVED,
+ NUM_SIGNALS
};
static guint signals[NUM_SIGNALS];
-enum {
- PROP_0,
- PROP_CONNECTION_ID,
- PROP_IS_CLIENT,
-
- PROP_ENCODER_KEY,
- PROP_SRTP_CIPHER,
- PROP_SRTP_AUTH,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_CONNECTION_ID,
+ PROP_IS_CLIENT,
+
+ PROP_ENCODER_KEY,
+ PROP_SRTP_CIPHER,
+ PROP_SRTP_AUTH,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define INITIAL_QUEUE_SIZE 64
-static void gst_er_dtls_enc_finalize(GObject *);
-static void gst_er_dtls_enc_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void gst_er_dtls_enc_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
+static void gst_er_dtls_enc_finalize (GObject *);
+static void gst_er_dtls_enc_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void gst_er_dtls_enc_get_property (GObject *, guint prop_id, GValue *,
+ GParamSpec *);
-static GstStateChangeReturn gst_er_dtls_enc_change_state(GstElement *, GstStateChange);
-static GstPad *gst_er_dtls_enc_request_new_pad(GstElement *, GstPadTemplate *, const gchar *name, const GstCaps *);
+static GstStateChangeReturn gst_er_dtls_enc_change_state (GstElement *,
+ GstStateChange);
+static GstPad *gst_er_dtls_enc_request_new_pad (GstElement *, GstPadTemplate *,
+ const gchar * name, const GstCaps *);
-static gboolean src_activate_mode(GstPad *, GstObject *, GstPadMode, gboolean active);
-static void src_task_loop(GstPad *);
+static gboolean src_activate_mode (GstPad *, GstObject *, GstPadMode,
+ gboolean active);
+static void src_task_loop (GstPad *);
-static GstFlowReturn sink_chain(GstPad *, GstObject *, GstBuffer *);
+static GstFlowReturn sink_chain (GstPad *, GstObject *, GstBuffer *);
-static void on_key_received(ErDtlsConnection *, gpointer key, guint cipher, guint auth, GstErDtlsEnc *);
-static void on_send_data(ErDtlsConnection *, gconstpointer data, gint length, GstErDtlsEnc *);
+static void on_key_received (ErDtlsConnection *, gpointer key, guint cipher,
+ guint auth, GstErDtlsEnc *);
+static void on_send_data (ErDtlsConnection *, gconstpointer data, gint length,
+ GstErDtlsEnc *);
-static void gst_er_dtls_enc_class_init(GstErDtlsEncClass *klass)
+static void
+gst_er_dtls_enc_class_init (GstErDtlsEncClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = (GObjectClass *) klass;
- element_class = (GstElementClass *) klass;
-
- gobject_class->finalize = GST_DEBUG_FUNCPTR(gst_er_dtls_enc_finalize);
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_er_dtls_enc_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_er_dtls_enc_get_property);
-
- element_class->change_state = GST_DEBUG_FUNCPTR(gst_er_dtls_enc_change_state);
- element_class->request_new_pad = GST_DEBUG_FUNCPTR(gst_er_dtls_enc_request_new_pad);
-
- signals[SIGNAL_ON_KEY_RECEIVED] =
- g_signal_new("on-key-received", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_NONE, 0);
-
- properties[PROP_CONNECTION_ID] =
- g_param_spec_string("connection-id",
- "Connection id",
- "Every encoder/decoder pair should have the same, unique, connection-id",
- DEFAULT_CONNECTION_ID,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_IS_CLIENT] =
- g_param_spec_boolean("is-client",
- "Is client",
- "Set to true if the decoder should act as"
- "client and initiate the handshake",
- DEFAULT_IS_CLIENT,
- GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_ENCODER_KEY] =
- g_param_spec_boxed("encoder-key",
- "Encoder key",
- "Master key that should be used by the SRTP encoder",
- GST_TYPE_BUFFER,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_CIPHER] =
- g_param_spec_uint("srtp-cipher",
- "SRTP cipher",
- "The SRTP cipher selected in the DTLS handshake. "
- "The value will be set to an ErDtlsSrtpCipher.",
- 0, ER_DTLS_SRTP_CIPHER_AES_128_ICM, DEFAULT_SRTP_CIPHER,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_AUTH] =
- g_param_spec_uint("srtp-auth",
- "SRTP authentication",
- "The SRTP authentication selected in the DTLS handshake. "
- "The value will be set to an ErDtlsSrtpAuth.",
- 0, ER_DTLS_SRTP_AUTH_HMAC_SHA1_80, DEFAULT_SRTP_AUTH,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
-
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&src_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&sink_template));
-
- gst_element_class_set_static_metadata(element_class,
- "DTLS Encoder",
- "Encoder/Network/DTLS",
- "Encodes packets with DTLS",
- "Patrik Oldsberg patrik.oldsberg@ericsson.com");
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_er_dtls_enc_finalize);
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_enc_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_enc_get_property);
+
+ element_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_enc_change_state);
+ element_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_enc_request_new_pad);
+
+ signals[SIGNAL_ON_KEY_RECEIVED] =
+ g_signal_new ("on-key-received", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0);
+
+ properties[PROP_CONNECTION_ID] =
+ g_param_spec_string ("connection-id",
+ "Connection id",
+ "Every encoder/decoder pair should have the same, unique, connection-id",
+ DEFAULT_CONNECTION_ID, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_IS_CLIENT] =
+ g_param_spec_boolean ("is-client",
+ "Is client",
+ "Set to true if the decoder should act as"
+ "client and initiate the handshake",
+ DEFAULT_IS_CLIENT,
+ GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_ENCODER_KEY] =
+ g_param_spec_boxed ("encoder-key",
+ "Encoder key",
+ "Master key that should be used by the SRTP encoder",
+ GST_TYPE_BUFFER, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_CIPHER] =
+ g_param_spec_uint ("srtp-cipher",
+ "SRTP cipher",
+ "The SRTP cipher selected in the DTLS handshake. "
+ "The value will be set to an ErDtlsSrtpCipher.",
+ 0, ER_DTLS_SRTP_CIPHER_AES_128_ICM, DEFAULT_SRTP_CIPHER,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_AUTH] =
+ g_param_spec_uint ("srtp-auth",
+ "SRTP authentication",
+ "The SRTP authentication selected in the DTLS handshake. "
+ "The value will be set to an ErDtlsSrtpAuth.",
+ 0, ER_DTLS_SRTP_AUTH_HMAC_SHA1_80, DEFAULT_SRTP_AUTH,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+
+ gst_element_class_set_static_metadata (element_class,
+ "DTLS Encoder",
+ "Encoder/Network/DTLS",
+ "Encodes packets with DTLS",
+ "Patrik Oldsberg patrik.oldsberg@ericsson.com");
}
-static void gst_er_dtls_enc_init(GstErDtlsEnc *self)
+static void
+gst_er_dtls_enc_init (GstErDtlsEnc * self)
{
- self->connection_id = NULL;
- self->connection = NULL;
+ self->connection_id = NULL;
+ self->connection = NULL;
- self->is_client = DEFAULT_IS_CLIENT;
+ self->is_client = DEFAULT_IS_CLIENT;
- self->encoder_key = NULL;
- self->srtp_cipher = DEFAULT_SRTP_CIPHER;
- self->srtp_auth = DEFAULT_SRTP_AUTH;
+ self->encoder_key = NULL;
+ self->srtp_cipher = DEFAULT_SRTP_CIPHER;
+ self->srtp_auth = DEFAULT_SRTP_AUTH;
- self->queue = g_ptr_array_sized_new(INITIAL_QUEUE_SIZE);
+ self->queue = g_ptr_array_sized_new (INITIAL_QUEUE_SIZE);
- g_mutex_init(&self->queue_lock);
- g_cond_init(&self->queue_cond_add);
+ g_mutex_init (&self->queue_lock);
+ g_cond_init (&self->queue_cond_add);
- self->src = gst_pad_new_from_static_template(&src_template, "src");
- g_return_if_fail(self->src);
+ self->src = gst_pad_new_from_static_template (&src_template, "src");
+ g_return_if_fail (self->src);
- gst_pad_set_activatemode_function(self->src, GST_DEBUG_FUNCPTR(src_activate_mode));
+ gst_pad_set_activatemode_function (self->src,
+ GST_DEBUG_FUNCPTR (src_activate_mode));
- gst_element_add_pad(GST_ELEMENT(self), self->src);
+ gst_element_add_pad (GST_ELEMENT (self), self->src);
}
-static void gst_er_dtls_enc_finalize(GObject *object)
+static void
+gst_er_dtls_enc_finalize (GObject * object)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(object);
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (object);
- if (self->encoder_key) {
- gst_buffer_unref(self->encoder_key);
- self->encoder_key = NULL;
- }
+ if (self->encoder_key) {
+ gst_buffer_unref (self->encoder_key);
+ self->encoder_key = NULL;
+ }
- g_mutex_lock(&self->queue_lock);
+ g_mutex_lock (&self->queue_lock);
- g_ptr_array_set_free_func(self->queue, (GDestroyNotify) gst_buffer_unref);
- g_ptr_array_unref(self->queue);
- self->queue = NULL;
+ g_ptr_array_set_free_func (self->queue, (GDestroyNotify) gst_buffer_unref);
+ g_ptr_array_unref (self->queue);
+ self->queue = NULL;
- g_mutex_unlock(&self->queue_lock);
+ g_mutex_unlock (&self->queue_lock);
- g_mutex_clear(&self->queue_lock);
- g_cond_clear(&self->queue_cond_add);
+ g_mutex_clear (&self->queue_lock);
+ g_cond_clear (&self->queue_cond_add);
- GST_LOG_OBJECT(self, "finalized");
+ GST_LOG_OBJECT (self, "finalized");
- G_OBJECT_CLASS(parent_class)->finalize(object);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static void gst_er_dtls_enc_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_enc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(object);
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- self->connection_id = g_value_dup_string(value);
- break;
+ self->connection_id = g_value_dup_string (value);
+ break;
case PROP_IS_CLIENT:
- self->is_client = g_value_get_boolean(value);
- break;
+ self->is_client = g_value_get_boolean (value);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void gst_er_dtls_enc_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_enc_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(object);
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- g_value_set_string(value, self->connection_id);
- break;
+ g_value_set_string (value, self->connection_id);
+ break;
case PROP_IS_CLIENT:
- g_value_set_boolean(value, self->is_client);
- break;
+ g_value_set_boolean (value, self->is_client);
+ break;
case PROP_ENCODER_KEY:
- g_value_set_boxed(value, self->encoder_key);
- break;
+ g_value_set_boxed (value, self->encoder_key);
+ break;
case PROP_SRTP_CIPHER:
- g_value_set_uint(value, self->srtp_cipher);
- break;
+ g_value_set_uint (value, self->srtp_cipher);
+ break;
case PROP_SRTP_AUTH:
- g_value_set_uint(value, self->srtp_auth);
- break;
+ g_value_set_uint (value, self->srtp_auth);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static GstStateChangeReturn gst_er_dtls_enc_change_state(GstElement *element, GstStateChange transition)
+static GstStateChangeReturn
+gst_er_dtls_enc_change_state (GstElement * element, GstStateChange transition)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(element);
- GstStateChangeReturn ret;
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (element);
+ GstStateChangeReturn ret;
- switch (transition) {
+ switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
- if (self->connection_id) {
- self->connection = gst_er_dtls_dec_fetch_connection(self->connection_id);
-
- if (!self->connection) {
- GST_WARNING_OBJECT(self,
- "invalid connection id: '%s', connection not found or already in use",
- self->connection_id);
- return GST_STATE_CHANGE_FAILURE;
- }
-
- g_signal_connect_object(self->connection,
- "on-encoder-key", G_CALLBACK(on_key_received), self, 0);
-
- er_dtls_connection_set_send_callback(self->connection,
- g_cclosure_new(G_CALLBACK(on_send_data), self, NULL));
- } else {
- GST_WARNING_OBJECT(self, "trying to change state to ready without connection id");
- return GST_STATE_CHANGE_FAILURE;
+ if (self->connection_id) {
+ self->connection =
+ gst_er_dtls_dec_fetch_connection (self->connection_id);
+
+ if (!self->connection) {
+ GST_WARNING_OBJECT (self,
+ "invalid connection id: '%s', connection not found or already in use",
+ self->connection_id);
+ return GST_STATE_CHANGE_FAILURE;
}
- break;
+
+ g_signal_connect_object (self->connection,
+ "on-encoder-key", G_CALLBACK (on_key_received), self, 0);
+
+ er_dtls_connection_set_send_callback (self->connection,
+ g_cclosure_new (G_CALLBACK (on_send_data), self, NULL));
+ } else {
+ GST_WARNING_OBJECT (self,
+ "trying to change state to ready without connection id");
+ return GST_STATE_CHANGE_FAILURE;
+ }
+ break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
- GST_DEBUG_OBJECT(self, "starting connection %s", self->connection_id);
- er_dtls_connection_start(self->connection, self->is_client);
+ GST_DEBUG_OBJECT (self, "starting connection %s", self->connection_id);
+ er_dtls_connection_start (self->connection, self->is_client);
- gst_pad_set_active(self->src, TRUE);
- break;
+ gst_pad_set_active (self->src, TRUE);
+ break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
- GST_DEBUG_OBJECT(self, "stopping connection %s", self->connection_id);
- gst_pad_set_active(self->src, FALSE);
+ GST_DEBUG_OBJECT (self, "stopping connection %s", self->connection_id);
+ gst_pad_set_active (self->src, FALSE);
- er_dtls_connection_stop(self->connection);
- break;
+ er_dtls_connection_stop (self->connection);
+ break;
case GST_STATE_CHANGE_READY_TO_NULL:
- GST_DEBUG_OBJECT(self, "closing connection %s", self->connection_id);
-
- if (self->connection) {
- er_dtls_connection_close(self->connection);
- er_dtls_connection_set_send_callback(self->connection, NULL);
- g_object_unref(self->connection);
- self->connection = NULL;
- }
- break;
+ GST_DEBUG_OBJECT (self, "closing connection %s", self->connection_id);
+
+ if (self->connection) {
+ er_dtls_connection_close (self->connection);
+ er_dtls_connection_set_send_callback (self->connection, NULL);
+ g_object_unref (self->connection);
+ self->connection = NULL;
+ }
+ break;
default:
- break;
- }
+ break;
+ }
- ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition);
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
- return ret;
+ return ret;
}
-static GstPad *gst_er_dtls_enc_request_new_pad(GstElement *element,
- GstPadTemplate *templ, const gchar *name, const GstCaps *caps)
+static GstPad *
+gst_er_dtls_enc_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
- GstPad *sink;
- gboolean ret;
+ GstPad *sink;
+ gboolean ret;
- GST_DEBUG_OBJECT(element, "sink pad requested");
+ GST_DEBUG_OBJECT (element, "sink pad requested");
- g_return_val_if_fail(templ->direction == GST_PAD_SINK, NULL);
+ g_return_val_if_fail (templ->direction == GST_PAD_SINK, NULL);
- sink = gst_pad_new_from_template(templ, name);
- g_return_val_if_fail(sink, NULL);
+ sink = gst_pad_new_from_template (templ, name);
+ g_return_val_if_fail (sink, NULL);
- if (caps) {
- g_object_set(sink, "caps", caps, NULL);
- }
+ if (caps) {
+ g_object_set (sink, "caps", caps, NULL);
+ }
- gst_pad_set_chain_function(sink, GST_DEBUG_FUNCPTR(sink_chain));
+ gst_pad_set_chain_function (sink, GST_DEBUG_FUNCPTR (sink_chain));
- ret = gst_pad_set_active(sink, TRUE);
- g_warn_if_fail(ret);
+ ret = gst_pad_set_active (sink, TRUE);
+ g_warn_if_fail (ret);
- gst_element_add_pad(element, sink);
+ gst_element_add_pad (element, sink);
- return sink;
+ return sink;
}
-static gboolean src_activate_mode(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean active)
+static gboolean
+src_activate_mode (GstPad * pad, GstObject * parent, GstPadMode mode,
+ gboolean active)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC (parent);
- gboolean success = TRUE;
- g_return_val_if_fail(mode == GST_PAD_MODE_PUSH, FALSE);
-
- if (active) {
- GST_DEBUG_OBJECT(self, "src pad activating in push mode");
-
- self->send_initial_events = TRUE;
- success = gst_pad_start_task(pad, (GstTaskFunction) src_task_loop, self->src, NULL);
- if (!success) {
- GST_WARNING_OBJECT(self, "failed to activate pad task");
- }
- } else {
- GST_DEBUG_OBJECT(self, "deactivating src pad");
-
- g_mutex_lock(&self->queue_lock);
- GST_PAD_MODE(pad) = GST_PAD_MODE_NONE;
- g_cond_signal(&self->queue_cond_add);
- g_mutex_unlock(&self->queue_lock);
- success = gst_pad_stop_task(pad);
- if (!success) {
- GST_WARNING_OBJECT(self, "failed to deactivate pad task");
- }
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (parent);
+ gboolean success = TRUE;
+ g_return_val_if_fail (mode == GST_PAD_MODE_PUSH, FALSE);
+
+ if (active) {
+ GST_DEBUG_OBJECT (self, "src pad activating in push mode");
+
+ self->send_initial_events = TRUE;
+ success =
+ gst_pad_start_task (pad, (GstTaskFunction) src_task_loop, self->src,
+ NULL);
+ if (!success) {
+ GST_WARNING_OBJECT (self, "failed to activate pad task");
+ }
+ } else {
+ GST_DEBUG_OBJECT (self, "deactivating src pad");
+
+ g_mutex_lock (&self->queue_lock);
+ GST_PAD_MODE (pad) = GST_PAD_MODE_NONE;
+ g_cond_signal (&self->queue_cond_add);
+ g_mutex_unlock (&self->queue_lock);
+ success = gst_pad_stop_task (pad);
+ if (!success) {
+ GST_WARNING_OBJECT (self, "failed to deactivate pad task");
}
+ }
- return success;
+ return success;
}
-static void src_task_loop(GstPad *pad)
+static void
+src_task_loop (GstPad * pad)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(GST_PAD_PARENT(pad));
- GstFlowReturn ret;
- GstPad *peer;
- gboolean peer_is_active;
-
- GST_TRACE_OBJECT(self, "src loop: acquiring lock");
- g_mutex_lock(&self->queue_lock);
- GST_TRACE_OBJECT(self, "src loop: acquired lock");
-
- if (!gst_pad_is_active(pad)) {
- GST_LOG_OBJECT(self, "src task loop entered on inactive pad");
- GST_TRACE_OBJECT(self, "src loop: releasing lock");
- g_mutex_unlock(&self->queue_lock);
- return;
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (GST_PAD_PARENT (pad));
+ GstFlowReturn ret;
+ GstPad *peer;
+ gboolean peer_is_active;
+
+ GST_TRACE_OBJECT (self, "src loop: acquiring lock");
+ g_mutex_lock (&self->queue_lock);
+ GST_TRACE_OBJECT (self, "src loop: acquired lock");
+
+ if (!gst_pad_is_active (pad)) {
+ GST_LOG_OBJECT (self, "src task loop entered on inactive pad");
+ GST_TRACE_OBJECT (self, "src loop: releasing lock");
+ g_mutex_unlock (&self->queue_lock);
+ return;
+ }
+
+ while (!self->queue->len) {
+ GST_TRACE_OBJECT (self, "src loop: queue empty, waiting for add");
+ g_cond_wait (&self->queue_cond_add, &self->queue_lock);
+ GST_TRACE_OBJECT (self, "src loop: add signaled");
+
+ if (!gst_pad_is_active (pad)) {
+ GST_LOG_OBJECT (self, "pad inactive, task returning");
+ GST_TRACE_OBJECT (self, "src loop: releasing lock");
+ g_mutex_unlock (&self->queue_lock);
+ return;
}
+ }
+ GST_TRACE_OBJECT (self, "src loop: queue has element");
- while (!self->queue->len) {
- GST_TRACE_OBJECT(self, "src loop: queue empty, waiting for add");
- g_cond_wait(&self->queue_cond_add, &self->queue_lock);
- GST_TRACE_OBJECT(self, "src loop: add signaled");
+ peer = gst_pad_get_peer (pad);
+ peer_is_active = gst_pad_is_active (peer);
+ gst_object_unref (peer);
- if (!gst_pad_is_active(pad)) {
- GST_LOG_OBJECT(self, "pad inactive, task returning");
- GST_TRACE_OBJECT(self, "src loop: releasing lock");
- g_mutex_unlock(&self->queue_lock);
- return;
- }
+ if (peer_is_active) {
+ GstBuffer *buffer;
+ gboolean start_connection_timeout = FALSE;
+
+ if (self->send_initial_events) {
+ GstSegment segment;
+ gchar s_id[32];
+ GstCaps *caps;
+
+ g_snprintf (s_id, sizeof (s_id), "erdtlsenc-%08x", g_random_int ());
+ gst_pad_push_event (self->src, gst_event_new_stream_start (s_id));
+ caps = gst_caps_new_empty_simple ("application/x-dtls");
+ gst_pad_push_event (self->src, gst_event_new_caps (caps));
+ gst_caps_unref (caps);
+ gst_segment_init (&segment, GST_FORMAT_BYTES);
+ gst_pad_push_event (self->src, gst_event_new_segment (&segment));
+ self->send_initial_events = FALSE;
+ start_connection_timeout = TRUE;
}
- GST_TRACE_OBJECT(self, "src loop: queue has element");
-
- peer = gst_pad_get_peer(pad);
- peer_is_active = gst_pad_is_active(peer);
- gst_object_unref(peer);
-
- if (peer_is_active) {
- GstBuffer *buffer;
- gboolean start_connection_timeout = FALSE;
-
- if (self->send_initial_events) {
- GstSegment segment;
- gchar s_id[32];
- GstCaps *caps;
-
- g_snprintf (s_id, sizeof (s_id), "erdtlsenc-%08x", g_random_int ());
- gst_pad_push_event (self->src, gst_event_new_stream_start (s_id));
- caps = gst_caps_new_empty_simple ("application/x-dtls");
- gst_pad_push_event (self->src, gst_event_new_caps (caps));
- gst_caps_unref (caps);
- gst_segment_init (&segment, GST_FORMAT_BYTES);
- gst_pad_push_event (self->src, gst_event_new_segment (&segment));
- self->send_initial_events = FALSE;
- start_connection_timeout = TRUE;
- }
- buffer = g_ptr_array_remove_index(self->queue, 0);
+ buffer = g_ptr_array_remove_index (self->queue, 0);
- GST_TRACE_OBJECT(self, "src loop: releasing lock");
- g_mutex_unlock(&self->queue_lock);
+ GST_TRACE_OBJECT (self, "src loop: releasing lock");
+ g_mutex_unlock (&self->queue_lock);
- ret = gst_pad_push(self->src, buffer);
- if (start_connection_timeout)
- er_dtls_connection_start_timeout (self->connection);
+ ret = gst_pad_push (self->src, buffer);
+ if (start_connection_timeout)
+ er_dtls_connection_start_timeout (self->connection);
- if (G_UNLIKELY(ret != GST_FLOW_OK)) {
- GST_WARNING_OBJECT(self, "failed to push buffer on src pad: %s", gst_flow_get_name(ret));
- }
- } else {
- g_warn_if_reached();
- GST_TRACE_OBJECT(self, "src loop: releasing lock");
- g_mutex_unlock(&self->queue_lock);
+ if (G_UNLIKELY (ret != GST_FLOW_OK)) {
+ GST_WARNING_OBJECT (self, "failed to push buffer on src pad: %s",
+ gst_flow_get_name (ret));
}
+ } else {
+ g_warn_if_reached ();
+ GST_TRACE_OBJECT (self, "src loop: releasing lock");
+ g_mutex_unlock (&self->queue_lock);
+ }
}
-static GstFlowReturn sink_chain(GstPad *pad, GstObject *parent, GstBuffer *buffer)
+static GstFlowReturn
+sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
- GstErDtlsEnc *self = GST_ER_DTLS_ENC(parent);
- GstMapInfo map_info;
- gint ret;
-
- gst_buffer_map(buffer, &map_info, GST_MAP_READ);
-
- if (map_info.size) {
- ret = er_dtls_connection_send(self->connection, map_info.data, map_info.size);
- if (ret != map_info.size) {
- GST_WARNING_OBJECT(self, "error sending data: %d B were written, expected value was %zd B",
- ret, map_info.size);
- }
+ GstErDtlsEnc *self = GST_ER_DTLS_ENC (parent);
+ GstMapInfo map_info;
+ gint ret;
+
+ gst_buffer_map (buffer, &map_info, GST_MAP_READ);
+
+ if (map_info.size) {
+ ret =
+ er_dtls_connection_send (self->connection, map_info.data,
+ map_info.size);
+ if (ret != map_info.size) {
+ GST_WARNING_OBJECT (self,
+ "error sending data: %d B were written, expected value was %zd B",
+ ret, map_info.size);
}
+ }
- gst_buffer_unmap(buffer, &map_info);
+ gst_buffer_unmap (buffer, &map_info);
- gst_buffer_unref(buffer);
+ gst_buffer_unref (buffer);
- return GST_FLOW_OK;
+ return GST_FLOW_OK;
}
-static void on_key_received(ErDtlsConnection *connection, gpointer key, guint cipher, guint auth, GstErDtlsEnc *self)
+static void
+on_key_received (ErDtlsConnection * connection, gpointer key, guint cipher,
+ guint auth, GstErDtlsEnc * self)
{
- gpointer key_dup;
- gchar *key_str;
+ gpointer key_dup;
+ gchar *key_str;
- g_return_if_fail(GST_IS_ER_DTLS_ENC(self));
- g_return_if_fail(ER_IS_DTLS_CONNECTION(connection));
+ g_return_if_fail (GST_IS_ER_DTLS_ENC (self));
+ g_return_if_fail (ER_IS_DTLS_CONNECTION (connection));
- self->srtp_cipher = cipher;
- self->srtp_auth = auth;
+ self->srtp_cipher = cipher;
+ self->srtp_auth = auth;
- key_dup = g_memdup(key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- self->encoder_key = gst_buffer_new_wrapped(key_dup, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ key_dup = g_memdup (key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ self->encoder_key =
+ gst_buffer_new_wrapped (key_dup, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- key_str = g_base64_encode(key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
- GST_INFO_OBJECT(self, "received key: %s", key_str);
- g_free(key_str);
+ key_str = g_base64_encode (key, ER_DTLS_SRTP_MASTER_KEY_LENGTH);
+ GST_INFO_OBJECT (self, "received key: %s", key_str);
+ g_free (key_str);
- g_signal_emit(self, signals[SIGNAL_ON_KEY_RECEIVED], 0);
+ g_signal_emit (self, signals[SIGNAL_ON_KEY_RECEIVED], 0);
}
-static void on_send_data(ErDtlsConnection *connection, gconstpointer data, gint length, GstErDtlsEnc *self)
+static void
+on_send_data (ErDtlsConnection * connection, gconstpointer data, gint length,
+ GstErDtlsEnc * self)
{
- GstBuffer *buffer;
+ GstBuffer *buffer;
- GST_DEBUG_OBJECT(self, "sending data from %s with length %d", self->connection_id, length);
+ GST_DEBUG_OBJECT (self, "sending data from %s with length %d",
+ self->connection_id, length);
- buffer = gst_buffer_new_wrapped(g_memdup(data, length), length);
+ buffer = gst_buffer_new_wrapped (g_memdup (data, length), length);
- GST_TRACE_OBJECT(self, "send data: acquiring lock");
- g_mutex_lock(&self->queue_lock);
- GST_TRACE_OBJECT(self, "send data: acquired lock");
+ GST_TRACE_OBJECT (self, "send data: acquiring lock");
+ g_mutex_lock (&self->queue_lock);
+ GST_TRACE_OBJECT (self, "send data: acquired lock");
- g_ptr_array_add(self->queue, buffer);
+ g_ptr_array_add (self->queue, buffer);
- GST_TRACE_OBJECT(self, "send data: signaling add");
- g_cond_signal(&self->queue_cond_add);
+ GST_TRACE_OBJECT (self, "send data: signaling add");
+ g_cond_signal (&self->queue_cond_add);
- GST_TRACE_OBJECT(self, "send data: releasing lock");
- g_mutex_unlock(&self->queue_lock);
+ GST_TRACE_OBJECT (self, "send data: releasing lock");
+ g_mutex_unlock (&self->queue_lock);
}
#include "gstdtlssrtpbin.h"
#define gst_er_dtls_srtp_bin_parent_class parent_class
-G_DEFINE_ABSTRACT_TYPE(GstErDtlsSrtpBin, gst_er_dtls_srtp_bin, GST_TYPE_BIN);
-
-enum {
- PROP_0,
- PROP_CONNECTION_ID,
- PROP_KEY,
- PROP_SRTP_AUTH,
- PROP_SRTP_CIPHER,
- PROP_SRTCP_AUTH,
- PROP_SRTCP_CIPHER,
- NUM_PROPERTIES
+G_DEFINE_ABSTRACT_TYPE (GstErDtlsSrtpBin, gst_er_dtls_srtp_bin, GST_TYPE_BIN);
+
+enum
+{
+ PROP_0,
+ PROP_CONNECTION_ID,
+ PROP_KEY,
+ PROP_SRTP_AUTH,
+ PROP_SRTP_CIPHER,
+ PROP_SRTCP_AUTH,
+ PROP_SRTCP_CIPHER,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define DEFAULT_SRTCP_AUTH NULL
#define DEFAULT_SRTCP_CIPHER NULL
-static void gst_er_dtls_srtp_bin_finalize(GObject *);
-static void gst_er_dtls_srtp_bin_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void gst_er_dtls_srtp_bin_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_bin_finalize (GObject *);
+static void gst_er_dtls_srtp_bin_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_bin_get_property (GObject *, guint prop_id,
+ GValue *, GParamSpec *);
-static void gst_er_dtls_srtp_bin_class_init(GstErDtlsSrtpBinClass *klass)
+static void
+gst_er_dtls_srtp_bin_class_init (GstErDtlsSrtpBinClass * klass)
{
- GObjectClass *gobject_class;
-
- gobject_class = (GObjectClass *) klass;
-
- gobject_class->finalize = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_bin_finalize);
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_bin_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_bin_get_property);
-
- klass->remove_dtls_element = NULL;
-
- properties[PROP_CONNECTION_ID] =
- g_param_spec_string("connection-id",
- "Connection id",
- "Every encoder/decoder pair should have the same, unique, connection-id",
- DEFAULT_CONNECTION_ID,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_KEY] =
- g_param_spec_boxed("key",
- "Key",
- "SRTP master key, if this property is set, DTLS will be disabled",
- GST_TYPE_BUFFER,
- G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_CIPHER] =
- g_param_spec_string("srtp-cipher",
- "SRTP Cipher",
- "SRTP cipher name, should be 'null' or 'aes-128-icm', "
- "if this property is set, DTLS will be disabled",
- DEFAULT_SRTP_CIPHER,
- G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTCP_CIPHER] =
- g_param_spec_string("srtcp-cipher",
- "SRTCP Cipher",
- "SRTCP cipher name, should be 'null' or 'aes-128-icm', "
- "if this property is set, DTLS will be disabled",
- DEFAULT_SRTCP_CIPHER,
- G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTP_AUTH] =
- g_param_spec_string("srtp-auth",
- "SRTP Auth",
- "SRTP auth name, should be 'null', 'hmac-sha1-32' or 'hmac-sha1-80', "
- "if this property is set, DTLS will be disabled",
- DEFAULT_SRTP_AUTH,
- G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SRTCP_AUTH] =
- g_param_spec_string("srtcp-auth",
- "SRTCP Auth",
- "SRTCP auth name, should be 'null', 'hmac-sha1-32' or 'hmac-sha1-80', "
- "if this property is set, DTLS will be disabled",
- DEFAULT_SRTCP_AUTH,
- G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_bin_finalize);
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_bin_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_bin_get_property);
+
+ klass->remove_dtls_element = NULL;
+
+ properties[PROP_CONNECTION_ID] =
+ g_param_spec_string ("connection-id",
+ "Connection id",
+ "Every encoder/decoder pair should have the same, unique, connection-id",
+ DEFAULT_CONNECTION_ID, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_KEY] =
+ g_param_spec_boxed ("key",
+ "Key",
+ "SRTP master key, if this property is set, DTLS will be disabled",
+ GST_TYPE_BUFFER,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_CIPHER] =
+ g_param_spec_string ("srtp-cipher",
+ "SRTP Cipher",
+ "SRTP cipher name, should be 'null' or 'aes-128-icm', "
+ "if this property is set, DTLS will be disabled",
+ DEFAULT_SRTP_CIPHER,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTCP_CIPHER] =
+ g_param_spec_string ("srtcp-cipher",
+ "SRTCP Cipher",
+ "SRTCP cipher name, should be 'null' or 'aes-128-icm', "
+ "if this property is set, DTLS will be disabled",
+ DEFAULT_SRTCP_CIPHER,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTP_AUTH] =
+ g_param_spec_string ("srtp-auth",
+ "SRTP Auth",
+ "SRTP auth name, should be 'null', 'hmac-sha1-32' or 'hmac-sha1-80', "
+ "if this property is set, DTLS will be disabled",
+ DEFAULT_SRTP_AUTH,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_SRTCP_AUTH] =
+ g_param_spec_string ("srtcp-auth",
+ "SRTCP Auth",
+ "SRTCP auth name, should be 'null', 'hmac-sha1-32' or 'hmac-sha1-80', "
+ "if this property is set, DTLS will be disabled",
+ DEFAULT_SRTCP_AUTH,
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
}
-static void gst_er_dtls_srtp_bin_init(GstErDtlsSrtpBin *self)
+static void
+gst_er_dtls_srtp_bin_init (GstErDtlsSrtpBin * self)
{
- self->key = NULL;
- self->key_is_set = FALSE;
- self->srtp_auth = NULL;
- self->srtp_cipher = NULL;
- self->srtcp_auth = NULL;
- self->srtcp_cipher = NULL;
+ self->key = NULL;
+ self->key_is_set = FALSE;
+ self->srtp_auth = NULL;
+ self->srtp_cipher = NULL;
+ self->srtcp_auth = NULL;
+ self->srtcp_cipher = NULL;
}
-static void gst_er_dtls_srtp_bin_finalize(GObject *object)
+static void
+gst_er_dtls_srtp_bin_finalize (GObject * object)
{
- GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN(object);
-
- if (self->key) {
- gst_buffer_unref(self->key);
- self->key = NULL;
- }
- g_free(self->srtp_auth);
- self->srtp_auth = NULL;
- g_free(self->srtp_cipher);
- self->srtp_cipher = NULL;
- g_free(self->srtcp_auth);
- self->srtcp_auth = NULL;
- g_free(self->srtcp_cipher);
- self->srtcp_cipher = NULL;
-
- G_OBJECT_CLASS(parent_class)->finalize(object);
+ GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN (object);
+
+ if (self->key) {
+ gst_buffer_unref (self->key);
+ self->key = NULL;
+ }
+ g_free (self->srtp_auth);
+ self->srtp_auth = NULL;
+ g_free (self->srtp_cipher);
+ self->srtp_cipher = NULL;
+ g_free (self->srtcp_auth);
+ self->srtcp_auth = NULL;
+ g_free (self->srtcp_cipher);
+ self->srtcp_cipher = NULL;
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static void gst_er_dtls_srtp_bin_set_property(GObject *object,
- guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_bin_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN(object);
- GstErDtlsSrtpBinClass *klass = GST_ER_DTLS_SRTP_BIN_GET_CLASS(self);
+ GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN (object);
+ GstErDtlsSrtpBinClass *klass = GST_ER_DTLS_SRTP_BIN_GET_CLASS (self);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- if (self->dtls_element) {
- g_object_set_property(G_OBJECT(self->dtls_element), "connection-id", value);
- } else {
- g_warning("tried to set connection-id after disabling DTLS");
- }
- break;
+ if (self->dtls_element) {
+ g_object_set_property (G_OBJECT (self->dtls_element), "connection-id",
+ value);
+ } else {
+ g_warning ("tried to set connection-id after disabling DTLS");
+ }
+ break;
case PROP_KEY:
- if (self->key) {
- gst_buffer_unref(self->key);
- }
- self->key = g_value_dup_boxed(value);
- self->key_is_set = TRUE;
- klass->remove_dtls_element(self);
- break;
+ if (self->key) {
+ gst_buffer_unref (self->key);
+ }
+ self->key = g_value_dup_boxed (value);
+ self->key_is_set = TRUE;
+ klass->remove_dtls_element (self);
+ break;
case PROP_SRTP_AUTH:
- g_free(self->srtp_auth);
- self->srtp_auth = g_value_dup_string(value);
- klass->remove_dtls_element(self);
- break;
+ g_free (self->srtp_auth);
+ self->srtp_auth = g_value_dup_string (value);
+ klass->remove_dtls_element (self);
+ break;
case PROP_SRTP_CIPHER:
- g_free(self->srtp_cipher);
- self->srtp_cipher = g_value_dup_string(value);
- klass->remove_dtls_element(self);
- break;
+ g_free (self->srtp_cipher);
+ self->srtp_cipher = g_value_dup_string (value);
+ klass->remove_dtls_element (self);
+ break;
case PROP_SRTCP_AUTH:
- g_free(self->srtcp_auth);
- self->srtcp_auth = g_value_dup_string(value);
- klass->remove_dtls_element(self);
- break;
+ g_free (self->srtcp_auth);
+ self->srtcp_auth = g_value_dup_string (value);
+ klass->remove_dtls_element (self);
+ break;
case PROP_SRTCP_CIPHER:
- g_free(self->srtcp_cipher);
- self->srtcp_cipher = g_value_dup_string(value);
- klass->remove_dtls_element(self);
- break;
+ g_free (self->srtcp_cipher);
+ self->srtcp_cipher = g_value_dup_string (value);
+ klass->remove_dtls_element (self);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void gst_er_dtls_srtp_bin_get_property(GObject *object,
- guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_bin_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN(object);
+ GstErDtlsSrtpBin *self = GST_ER_DTLS_SRTP_BIN (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_CONNECTION_ID:
- if (self->dtls_element) {
- g_object_get_property(G_OBJECT(self->dtls_element), "connection-id", value);
- } else {
- g_warning("tried to get connection-id after disabling DTLS");
- }
- break;
+ if (self->dtls_element) {
+ g_object_get_property (G_OBJECT (self->dtls_element), "connection-id",
+ value);
+ } else {
+ g_warning ("tried to get connection-id after disabling DTLS");
+ }
+ break;
case PROP_KEY:
- if (self->key) {
- g_value_set_boxed(value, self->key);
- }
- break;
+ if (self->key) {
+ g_value_set_boxed (value, self->key);
+ }
+ break;
case PROP_SRTP_AUTH:
- g_value_set_string(value, self->srtp_auth);
- break;
+ g_value_set_string (value, self->srtp_auth);
+ break;
case PROP_SRTP_CIPHER:
- g_value_set_string(value, self->srtp_cipher);
- break;
+ g_value_set_string (value, self->srtp_cipher);
+ break;
case PROP_SRTCP_AUTH:
- g_value_set_string(value, self->srtcp_auth);
- break;
+ g_value_set_string (value, self->srtcp_auth);
+ break;
case PROP_SRTCP_CIPHER:
- g_value_set_string(value, self->srtcp_cipher);
- break;
+ g_value_set_string (value, self->srtcp_cipher);
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
#include "gstdtlsconnection.h"
-static GstStaticPadTemplate sink_template =
- GST_STATIC_PAD_TEMPLATE("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY
- );
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate rtp_src_template =
- GST_STATIC_PAD_TEMPLATE("rtp_src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS("application/x-rtp;application/x-rtcp")
+ GST_STATIC_PAD_TEMPLATE ("rtp_src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp;application/x-rtcp")
);
static GstStaticPadTemplate data_src_template =
- GST_STATIC_PAD_TEMPLATE("data_src",
- GST_PAD_SRC,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS_ANY
- );
+GST_STATIC_PAD_TEMPLATE ("data_src",
+ GST_PAD_SRC,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
-GST_DEBUG_CATEGORY_STATIC(er_dtls_srtp_dec_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_srtp_dec_debug);
#define GST_CAT_DEFAULT er_dtls_srtp_dec_debug
#define gst_er_dtls_srtp_dec_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE(GstErDtlsSrtpDec, gst_er_dtls_srtp_dec, GST_TYPE_ER_DTLS_SRTP_BIN,
- GST_DEBUG_CATEGORY_INIT(er_dtls_srtp_dec_debug, "erdtlssrtpdec", 0, "Ericsson DTLS Decoder"));
+G_DEFINE_TYPE_WITH_CODE (GstErDtlsSrtpDec, gst_er_dtls_srtp_dec,
+ GST_TYPE_ER_DTLS_SRTP_BIN, GST_DEBUG_CATEGORY_INIT (er_dtls_srtp_dec_debug,
+ "erdtlssrtpdec", 0, "Ericsson DTLS Decoder"));
#define UNUSED(param) while (0) { (void)(param); }
-enum {
- PROP_0,
- PROP_PEM,
- PROP_PEER_PEM,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_PEM,
+ PROP_PEER_PEM,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define DEFAULT_PEM NULL
#define DEFAULT_PEER_PEM NULL
-static void gst_er_dtls_srtp_dec_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void gst_er_dtls_srtp_dec_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_dec_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_dec_get_property (GObject *, guint prop_id,
+ GValue *, GParamSpec *);
-static GstPad *gst_er_dtls_srtp_dec_request_new_pad(GstElement *, GstPadTemplate *, const gchar *name, const GstCaps *);
-static GstCaps *on_decoder_request_key(GstElement *srtp_decoder, guint ssrc, GstErDtlsSrtpBin *);
-static void on_peer_pem(GstElement *srtp_decoder, GParamSpec *pspec, GstErDtlsSrtpDec *self);
+static GstPad *gst_er_dtls_srtp_dec_request_new_pad (GstElement *,
+ GstPadTemplate *, const gchar * name, const GstCaps *);
+static GstCaps *on_decoder_request_key (GstElement * srtp_decoder, guint ssrc,
+ GstErDtlsSrtpBin *);
+static void on_peer_pem (GstElement * srtp_decoder, GParamSpec * pspec,
+ GstErDtlsSrtpDec * self);
-static void gst_er_dtls_srtp_dec_remove_dtls_element(GstErDtlsSrtpBin *);
-static GstPadProbeReturn remove_dtls_decoder_probe_callback(GstPad *, GstPadProbeInfo *, GstElement *);
+static void gst_er_dtls_srtp_dec_remove_dtls_element (GstErDtlsSrtpBin *);
+static GstPadProbeReturn remove_dtls_decoder_probe_callback (GstPad *,
+ GstPadProbeInfo *, GstElement *);
-static GstPadProbeReturn drop_funnel_rtcp_caps(GstPad *, GstPadProbeInfo *, gpointer);
+static GstPadProbeReturn drop_funnel_rtcp_caps (GstPad *, GstPadProbeInfo *,
+ gpointer);
-static void gst_er_dtls_srtp_dec_class_init(GstErDtlsSrtpDecClass *klass)
+static void
+gst_er_dtls_srtp_dec_class_init (GstErDtlsSrtpDecClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
- GstErDtlsSrtpBinClass *dtls_srtp_bin_class;
-
- gobject_class = (GObjectClass *) klass;
- element_class = (GstElementClass *) klass;
- dtls_srtp_bin_class = (GstErDtlsSrtpBinClass *) klass;
-
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_dec_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_dec_get_property);
-
- element_class->request_new_pad = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_dec_request_new_pad);
-
- dtls_srtp_bin_class->remove_dtls_element = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_dec_remove_dtls_element);
-
- properties[PROP_PEM] =
- g_param_spec_string("pem",
- "PEM string",
- "A string containing a X509 certificate and RSA private key in PEM format",
- DEFAULT_PEM,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- properties[PROP_PEER_PEM] =
- g_param_spec_string("peer-pem",
- "Peer PEM string",
- "The X509 certificate received in the DTLS handshake, in PEM format",
- DEFAULT_PEER_PEM,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
-
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&sink_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&rtp_src_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&data_src_template));
-
- gst_element_class_set_static_metadata(element_class,
- "DTLS-SRTP Decoder",
- "Decoder/Network/DTLS/SRTP",
- "Decodes SRTP packets with a key received from DTLS",
- "Patrik Oldsberg patrik.oldsberg@ericsson.com");
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+ GstErDtlsSrtpBinClass *dtls_srtp_bin_class;
+
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+ dtls_srtp_bin_class = (GstErDtlsSrtpBinClass *) klass;
+
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_dec_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_dec_get_property);
+
+ element_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_dec_request_new_pad);
+
+ dtls_srtp_bin_class->remove_dtls_element =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_dec_remove_dtls_element);
+
+ properties[PROP_PEM] =
+ g_param_spec_string ("pem",
+ "PEM string",
+ "A string containing a X509 certificate and RSA private key in PEM format",
+ DEFAULT_PEM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ properties[PROP_PEER_PEM] =
+ g_param_spec_string ("peer-pem",
+ "Peer PEM string",
+ "The X509 certificate received in the DTLS handshake, in PEM format",
+ DEFAULT_PEER_PEM, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&rtp_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&data_src_template));
+
+ gst_element_class_set_static_metadata (element_class,
+ "DTLS-SRTP Decoder",
+ "Decoder/Network/DTLS/SRTP",
+ "Decodes SRTP packets with a key received from DTLS",
+ "Patrik Oldsberg patrik.oldsberg@ericsson.com");
}
-static void gst_er_dtls_srtp_dec_init(GstErDtlsSrtpDec *self)
+static void
+gst_er_dtls_srtp_dec_init (GstErDtlsSrtpDec * self)
{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS(GST_ELEMENT(self));
- GstPadTemplate *templ;
- GstPad *target_pad, *ghost_pad, *pad;
- gboolean ret;
+ GstElementClass *klass = GST_ELEMENT_GET_CLASS (GST_ELEMENT (self));
+ GstPadTemplate *templ;
+ GstPad *target_pad, *ghost_pad, *pad;
+ gboolean ret;
/*
+--------------------+
+-----------+ +-----------+
*/
- self->srtp_dec = gst_element_factory_make("srtpdec", "srtp-decoder");
- if (!self->srtp_dec) {
- GST_ERROR_OBJECT(self, "failed to create srtp_dec, is the srtp plugin registered?");
- return;
- }
- self->dtls_srtp_demux = gst_element_factory_make("erdtlssrtpdemux", "dtls-srtp-demux");
- if (!self->dtls_srtp_demux) {
- GST_ERROR_OBJECT(self, "failed to create dtls_srtp_demux");
- return;
- }
- self->bin.dtls_element = gst_element_factory_make("erdtlsdec", "dtls-decoder");
- if (!self->bin.dtls_element) {
- GST_ERROR_OBJECT(self, "failed to create dtls_dec");
- return;
- }
- self->funnel = gst_element_factory_make("funnel", "funnel");
- if (!self->funnel) {
- GST_ERROR_OBJECT(self, "failed to create funnel");
- return;
- }
-
- gst_bin_add_many(GST_BIN(self),
- self->dtls_srtp_demux,
- self->bin.dtls_element,
- self->srtp_dec,
- self->funnel,
- NULL);
-
- ret = gst_element_link_pads(self->dtls_srtp_demux, "dtls_src", self->bin.dtls_element, NULL);
- g_return_if_fail(ret);
- ret = gst_element_link_pads(self->dtls_srtp_demux, "rtp_src", self->srtp_dec, "rtp_sink");
- g_return_if_fail(ret);
- ret = gst_element_link_pads(self->srtp_dec, "rtp_src", self->funnel, "sink_0");
- g_return_if_fail(ret);
- ret = gst_element_link_pads(self->srtp_dec, "rtcp_src", self->funnel, "sink_1");
- g_return_if_fail(ret);
-
- pad = gst_element_get_static_pad(self->funnel, "sink_1");
- gst_pad_add_probe(pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, drop_funnel_rtcp_caps, NULL, NULL);
- gst_object_unref(pad);
-
- templ = gst_element_class_get_pad_template(klass, "rtp_src");
- target_pad = gst_element_get_static_pad(self->funnel, "src");
- ghost_pad = gst_ghost_pad_new_from_template("rtp_src", target_pad, templ);
- gst_object_unref(target_pad);
- g_return_if_fail(ghost_pad);
-
- ret = gst_element_add_pad(GST_ELEMENT(self), ghost_pad);
- g_return_if_fail(ret);
-
- templ = gst_element_class_get_pad_template(klass, "sink");
- target_pad = gst_element_get_static_pad(self->dtls_srtp_demux, "sink");
- ghost_pad = gst_ghost_pad_new_from_template("sink", target_pad, templ);
- gst_object_unref(target_pad);
- g_return_if_fail(ghost_pad);
-
- ret = gst_element_add_pad(GST_ELEMENT(self), ghost_pad);
- g_return_if_fail(ret);
-
- g_signal_connect(self->srtp_dec, "request-key", G_CALLBACK(on_decoder_request_key), self);
- g_signal_connect(self->bin.dtls_element, "notify::peer-pem", G_CALLBACK(on_peer_pem), self);
+ self->srtp_dec = gst_element_factory_make ("srtpdec", "srtp-decoder");
+ if (!self->srtp_dec) {
+ GST_ERROR_OBJECT (self,
+ "failed to create srtp_dec, is the srtp plugin registered?");
+ return;
+ }
+ self->dtls_srtp_demux =
+ gst_element_factory_make ("erdtlssrtpdemux", "dtls-srtp-demux");
+ if (!self->dtls_srtp_demux) {
+ GST_ERROR_OBJECT (self, "failed to create dtls_srtp_demux");
+ return;
+ }
+ self->bin.dtls_element =
+ gst_element_factory_make ("erdtlsdec", "dtls-decoder");
+ if (!self->bin.dtls_element) {
+ GST_ERROR_OBJECT (self, "failed to create dtls_dec");
+ return;
+ }
+ self->funnel = gst_element_factory_make ("funnel", "funnel");
+ if (!self->funnel) {
+ GST_ERROR_OBJECT (self, "failed to create funnel");
+ return;
+ }
+
+ gst_bin_add_many (GST_BIN (self),
+ self->dtls_srtp_demux,
+ self->bin.dtls_element, self->srtp_dec, self->funnel, NULL);
+
+ ret =
+ gst_element_link_pads (self->dtls_srtp_demux, "dtls_src",
+ self->bin.dtls_element, NULL);
+ g_return_if_fail (ret);
+ ret =
+ gst_element_link_pads (self->dtls_srtp_demux, "rtp_src", self->srtp_dec,
+ "rtp_sink");
+ g_return_if_fail (ret);
+ ret =
+ gst_element_link_pads (self->srtp_dec, "rtp_src", self->funnel, "sink_0");
+ g_return_if_fail (ret);
+ ret =
+ gst_element_link_pads (self->srtp_dec, "rtcp_src", self->funnel,
+ "sink_1");
+ g_return_if_fail (ret);
+
+ pad = gst_element_get_static_pad (self->funnel, "sink_1");
+ gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
+ drop_funnel_rtcp_caps, NULL, NULL);
+ gst_object_unref (pad);
+
+ templ = gst_element_class_get_pad_template (klass, "rtp_src");
+ target_pad = gst_element_get_static_pad (self->funnel, "src");
+ ghost_pad = gst_ghost_pad_new_from_template ("rtp_src", target_pad, templ);
+ gst_object_unref (target_pad);
+ g_return_if_fail (ghost_pad);
+
+ ret = gst_element_add_pad (GST_ELEMENT (self), ghost_pad);
+ g_return_if_fail (ret);
+
+ templ = gst_element_class_get_pad_template (klass, "sink");
+ target_pad = gst_element_get_static_pad (self->dtls_srtp_demux, "sink");
+ ghost_pad = gst_ghost_pad_new_from_template ("sink", target_pad, templ);
+ gst_object_unref (target_pad);
+ g_return_if_fail (ghost_pad);
+
+ ret = gst_element_add_pad (GST_ELEMENT (self), ghost_pad);
+ g_return_if_fail (ret);
+
+ g_signal_connect (self->srtp_dec, "request-key",
+ G_CALLBACK (on_decoder_request_key), self);
+ g_signal_connect (self->bin.dtls_element, "notify::peer-pem",
+ G_CALLBACK (on_peer_pem), self);
}
-static void gst_er_dtls_srtp_dec_set_property(GObject *object,
- guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_dec_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC(object);
+ GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_PEM:
- if (self->bin.dtls_element) {
- g_object_set_property(G_OBJECT(self->bin.dtls_element), "pem", value);
- } else {
- GST_WARNING_OBJECT(self, "tried to set pem after disabling DTLS");
- }
- break;
+ if (self->bin.dtls_element) {
+ g_object_set_property (G_OBJECT (self->bin.dtls_element), "pem", value);
+ } else {
+ GST_WARNING_OBJECT (self, "tried to set pem after disabling DTLS");
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void gst_er_dtls_srtp_dec_get_property(GObject *object,
- guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_dec_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC(object);
+ GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_PEM:
- if (self->bin.dtls_element) {
- g_object_get_property(G_OBJECT(self->bin.dtls_element), "pem", value);
- } else {
- GST_WARNING_OBJECT(self, "tried to get pem after disabling DTLS");
- }
- break;
+ if (self->bin.dtls_element) {
+ g_object_get_property (G_OBJECT (self->bin.dtls_element), "pem", value);
+ } else {
+ GST_WARNING_OBJECT (self, "tried to get pem after disabling DTLS");
+ }
+ break;
case PROP_PEER_PEM:
- if (self->bin.dtls_element) {
- g_object_get_property(G_OBJECT(self->bin.dtls_element), "peer-pem", value);
- } else {
- GST_WARNING_OBJECT(self, "tried to get peer-pem after disabling DTLS");
- }
- break;
+ if (self->bin.dtls_element) {
+ g_object_get_property (G_OBJECT (self->bin.dtls_element), "peer-pem",
+ value);
+ } else {
+ GST_WARNING_OBJECT (self, "tried to get peer-pem after disabling DTLS");
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static GstPad *gst_er_dtls_srtp_dec_request_new_pad(GstElement *element,
- GstPadTemplate *templ, const gchar *name, const GstCaps *caps)
+static GstPad *
+gst_er_dtls_srtp_dec_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
- GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC(element);
- GstElementClass *klass = GST_ELEMENT_GET_CLASS(element);
- GstPad *ghost_pad = NULL;
- gboolean ret;
-
- GST_DEBUG_OBJECT(element, "pad requested");
+ GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC (element);
+ GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
+ GstPad *ghost_pad = NULL;
+ gboolean ret;
- g_return_val_if_fail(self->bin.dtls_element, NULL);
- g_return_val_if_fail(!self->bin.key_is_set, NULL);
+ GST_DEBUG_OBJECT (element, "pad requested");
- if (templ == gst_element_class_get_pad_template(klass, "data_src")) {
- GstPad *target_pad;
+ g_return_val_if_fail (self->bin.dtls_element, NULL);
+ g_return_val_if_fail (!self->bin.key_is_set, NULL);
- target_pad = gst_element_get_request_pad(self->bin.dtls_element, "src");
+ if (templ == gst_element_class_get_pad_template (klass, "data_src")) {
+ GstPad *target_pad;
- ghost_pad = gst_ghost_pad_new_from_template(name, target_pad, templ);
- gst_object_unref(target_pad);
- g_return_val_if_fail(ghost_pad, NULL);
+ target_pad = gst_element_get_request_pad (self->bin.dtls_element, "src");
- ret = gst_pad_set_active(ghost_pad, TRUE);
- g_return_val_if_fail(ret, NULL);
- ret = gst_element_add_pad(element, ghost_pad);
- g_return_val_if_fail(ret, NULL);
+ ghost_pad = gst_ghost_pad_new_from_template (name, target_pad, templ);
+ gst_object_unref (target_pad);
+ g_return_val_if_fail (ghost_pad, NULL);
- GST_LOG_OBJECT(self, "added data src pad");
+ ret = gst_pad_set_active (ghost_pad, TRUE);
+ g_return_val_if_fail (ret, NULL);
+ ret = gst_element_add_pad (element, ghost_pad);
+ g_return_val_if_fail (ret, NULL);
- if (caps) {
- g_object_set(ghost_pad, "caps", caps, NULL);
- }
+ GST_LOG_OBJECT (self, "added data src pad");
- return ghost_pad;
+ if (caps) {
+ g_object_set (ghost_pad, "caps", caps, NULL);
}
- g_return_val_if_reached(NULL);
+ return ghost_pad;
+ }
+
+ g_return_val_if_reached (NULL);
}
-static GstCaps *on_decoder_request_key(GstElement *srtp_decoder,
- guint ssrc, GstErDtlsSrtpBin *bin)
+static GstCaps *
+on_decoder_request_key (GstElement * srtp_decoder,
+ guint ssrc, GstErDtlsSrtpBin * bin)
{
- GstCaps *key_caps;
- GstBuffer *key_buffer = NULL;
- guint cipher;
- guint auth;
-
- if (bin->key_is_set) {
- if (bin->key) {
- if (bin->srtp_cipher && bin->srtp_auth && bin->srtcp_cipher && bin->srtcp_auth) {
- GST_DEBUG_OBJECT(bin, "setting srtp key");
- return gst_caps_new_simple("application/x-srtp",
- "srtp-key", GST_TYPE_BUFFER, gst_buffer_copy(bin->key),
- "srtp-auth", G_TYPE_STRING, bin->srtp_auth,
- "srtcp-auth", G_TYPE_STRING, bin->srtcp_auth,
- "srtp-cipher", G_TYPE_STRING, bin->srtp_cipher,
- "srtcp-cipher", G_TYPE_STRING, bin->srtcp_cipher,
- NULL);
- } else {
- GST_WARNING_OBJECT(bin, "srtp key is set but not all ciphers and auths");
- return NULL;
- }
- }
-
- GST_DEBUG_OBJECT(bin, "setting srtp key to null");
- return gst_caps_new_simple("application/x-srtp",
- "srtp-key", GST_TYPE_BUFFER, NULL,
- "srtp-auth", G_TYPE_STRING, "null",
- "srtcp-auth", G_TYPE_STRING, "null",
- "srtp-cipher", G_TYPE_STRING, "null",
- "srtcp-cipher", G_TYPE_STRING, "null",
- NULL);
+ GstCaps *key_caps;
+ GstBuffer *key_buffer = NULL;
+ guint cipher;
+ guint auth;
+
+ if (bin->key_is_set) {
+ if (bin->key) {
+ if (bin->srtp_cipher && bin->srtp_auth && bin->srtcp_cipher
+ && bin->srtcp_auth) {
+ GST_DEBUG_OBJECT (bin, "setting srtp key");
+ return gst_caps_new_simple ("application/x-srtp",
+ "srtp-key", GST_TYPE_BUFFER, gst_buffer_copy (bin->key),
+ "srtp-auth", G_TYPE_STRING, bin->srtp_auth,
+ "srtcp-auth", G_TYPE_STRING, bin->srtcp_auth,
+ "srtp-cipher", G_TYPE_STRING, bin->srtp_cipher,
+ "srtcp-cipher", G_TYPE_STRING, bin->srtcp_cipher, NULL);
+ } else {
+ GST_WARNING_OBJECT (bin,
+ "srtp key is set but not all ciphers and auths");
+ return NULL;
+ }
}
- if (bin->dtls_element) {
- g_object_get(bin->dtls_element,
- "decoder-key", &key_buffer,
- NULL);
+ GST_DEBUG_OBJECT (bin, "setting srtp key to null");
+ return gst_caps_new_simple ("application/x-srtp",
+ "srtp-key", GST_TYPE_BUFFER, NULL,
+ "srtp-auth", G_TYPE_STRING, "null",
+ "srtcp-auth", G_TYPE_STRING, "null",
+ "srtp-cipher", G_TYPE_STRING, "null",
+ "srtcp-cipher", G_TYPE_STRING, "null", NULL);
+ }
+
+ if (bin->dtls_element) {
+ g_object_get (bin->dtls_element, "decoder-key", &key_buffer, NULL);
+ }
+
+ if (key_buffer) {
+ g_object_get (bin->dtls_element,
+ "srtp-cipher", &cipher, "srtp-auth", &auth, NULL);
+
+ g_return_val_if_fail (cipher == ER_DTLS_SRTP_CIPHER_AES_128_ICM, NULL);
+
+ key_caps = gst_caps_new_simple ("application/x-srtp",
+ "srtp-key", GST_TYPE_BUFFER, key_buffer,
+ "srtp-cipher", G_TYPE_STRING, "aes-128-icm",
+ "srtcp-cipher", G_TYPE_STRING, "aes-128-icm", NULL);
+
+ switch (auth) {
+ case ER_DTLS_SRTP_AUTH_HMAC_SHA1_32:
+ gst_caps_set_simple (key_caps,
+ "srtp-auth", G_TYPE_STRING, "hmac-sha1-32",
+ "srtcp-auth", G_TYPE_STRING, "hmac-sha1-32", NULL);
+ break;
+ case ER_DTLS_SRTP_AUTH_HMAC_SHA1_80:
+ gst_caps_set_simple (key_caps,
+ "srtp-auth", G_TYPE_STRING, "hmac-sha1-80",
+ "srtcp-auth", G_TYPE_STRING, "hmac-sha1-80", NULL);
+ break;
+ default:
+ g_return_val_if_reached (NULL);
+ break;
}
- if (key_buffer) {
- g_object_get(bin->dtls_element,
- "srtp-cipher", &cipher,
- "srtp-auth", &auth,
- NULL);
-
- g_return_val_if_fail(cipher == ER_DTLS_SRTP_CIPHER_AES_128_ICM, NULL);
-
- key_caps = gst_caps_new_simple("application/x-srtp",
- "srtp-key", GST_TYPE_BUFFER, key_buffer,
- "srtp-cipher", G_TYPE_STRING, "aes-128-icm",
- "srtcp-cipher", G_TYPE_STRING, "aes-128-icm",
- NULL);
-
- switch (auth) {
- case ER_DTLS_SRTP_AUTH_HMAC_SHA1_32:
- gst_caps_set_simple(key_caps,
- "srtp-auth", G_TYPE_STRING, "hmac-sha1-32",
- "srtcp-auth", G_TYPE_STRING, "hmac-sha1-32",
- NULL);
- break;
- case ER_DTLS_SRTP_AUTH_HMAC_SHA1_80:
- gst_caps_set_simple(key_caps,
- "srtp-auth", G_TYPE_STRING, "hmac-sha1-80",
- "srtcp-auth", G_TYPE_STRING, "hmac-sha1-80",
- NULL);
- break;
- default:
- g_return_val_if_reached(NULL);
- break;
- }
-
- return key_caps;
- }
+ return key_caps;
+ }
- return NULL;
+ return NULL;
}
-static void on_peer_pem(GstElement *srtp_decoder, GParamSpec *pspec, GstErDtlsSrtpDec *self)
+static void
+on_peer_pem (GstElement * srtp_decoder, GParamSpec * pspec,
+ GstErDtlsSrtpDec * self)
{
- UNUSED(srtp_decoder);
- UNUSED(pspec);
- g_return_if_fail(self);
- g_object_notify_by_pspec(G_OBJECT(self), properties[PROP_PEER_PEM]);
+ UNUSED (srtp_decoder);
+ UNUSED (pspec);
+ g_return_if_fail (self);
+ g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PEER_PEM]);
}
-static void gst_er_dtls_srtp_dec_remove_dtls_element(GstErDtlsSrtpBin *bin)
+static void
+gst_er_dtls_srtp_dec_remove_dtls_element (GstErDtlsSrtpBin * bin)
{
- GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC(bin);
- GstPad *demux_pad;
- gulong id;
+ GstErDtlsSrtpDec *self = GST_ER_DTLS_SRTP_DEC (bin);
+ GstPad *demux_pad;
+ gulong id;
- if (!bin->dtls_element) {
- return;
- }
+ if (!bin->dtls_element) {
+ return;
+ }
- demux_pad = gst_element_get_static_pad(self->dtls_srtp_demux, "dtls_src");
+ demux_pad = gst_element_get_static_pad (self->dtls_srtp_demux, "dtls_src");
- id = gst_pad_add_probe(demux_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
- (GstPadProbeCallback) remove_dtls_decoder_probe_callback, bin->dtls_element, NULL);
- g_return_if_fail(id);
- bin->dtls_element = NULL;
+ id = gst_pad_add_probe (demux_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
+ (GstPadProbeCallback) remove_dtls_decoder_probe_callback,
+ bin->dtls_element, NULL);
+ g_return_if_fail (id);
+ bin->dtls_element = NULL;
- gst_pad_push_event(demux_pad, gst_event_new_custom(GST_EVENT_CUSTOM_DOWNSTREAM, gst_structure_new_empty("dummy")));
+ gst_pad_push_event (demux_pad,
+ gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
+ gst_structure_new_empty ("dummy")));
- gst_object_unref(demux_pad);
+ gst_object_unref (demux_pad);
}
-static GstPadProbeReturn remove_dtls_decoder_probe_callback(GstPad *pad,
- GstPadProbeInfo *info, GstElement *element)
+static GstPadProbeReturn
+remove_dtls_decoder_probe_callback (GstPad * pad,
+ GstPadProbeInfo * info, GstElement * element)
{
- gst_pad_remove_probe(pad, GST_PAD_PROBE_INFO_ID(info));
+ gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));
- gst_element_set_state(GST_ELEMENT(element), GST_STATE_NULL);
- gst_bin_remove(GST_BIN(GST_ELEMENT_PARENT(element)), element);
+ gst_element_set_state (GST_ELEMENT (element), GST_STATE_NULL);
+ gst_bin_remove (GST_BIN (GST_ELEMENT_PARENT (element)), element);
- return GST_PAD_PROBE_OK;
+ return GST_PAD_PROBE_OK;
}
-static GstPadProbeReturn drop_funnel_rtcp_caps(GstPad *pad, GstPadProbeInfo *info, gpointer data)
+static GstPadProbeReturn
+drop_funnel_rtcp_caps (GstPad * pad, GstPadProbeInfo * info, gpointer data)
{
- /* FIXME: This is needed for setting the proper caps until
- * GStreamer supports MIXED caps or another mechanism to
- * prevent renegotiation all the time when two different caps
- * are going over the same pad
- */
- if (GST_EVENT_TYPE (info->data) == GST_EVENT_CAPS) {
- GstCaps *caps, *peercaps;
- GstStructure *s;
-
- gst_event_parse_caps (GST_EVENT (info->data), &caps);
- s = gst_caps_get_structure (caps, 0);
- if (gst_structure_has_name (s, "application/x-rtcp")) {
- peercaps = gst_pad_query_caps (pad, NULL);
-
- /* If the peer does not accept RTCP, we are linked to
- * the RTP sinkpad of rtpbin. In that case we have to
- * drop the RTCP caps and assume that we sent RTP caps
- * before here, which is very likely but not guaranteed
- * if for some reason we receive RTCP before any RTP.
- * In that unlikely case we will get event misordering
- * warnings later, instead of getting them always as
- * happens now.
- */
- if (peercaps && !gst_caps_is_subset (caps, peercaps)) {
- gst_caps_unref (peercaps);
- return GST_PAD_PROBE_DROP;
- }
- gst_caps_replace (&peercaps, NULL);
+ /* FIXME: This is needed for setting the proper caps until
+ * GStreamer supports MIXED caps or another mechanism to
+ * prevent renegotiation all the time when two different caps
+ * are going over the same pad
+ */
+ if (GST_EVENT_TYPE (info->data) == GST_EVENT_CAPS) {
+ GstCaps *caps, *peercaps;
+ GstStructure *s;
+
+ gst_event_parse_caps (GST_EVENT (info->data), &caps);
+ s = gst_caps_get_structure (caps, 0);
+ if (gst_structure_has_name (s, "application/x-rtcp")) {
+ peercaps = gst_pad_query_caps (pad, NULL);
+
+ /* If the peer does not accept RTCP, we are linked to
+ * the RTP sinkpad of rtpbin. In that case we have to
+ * drop the RTCP caps and assume that we sent RTP caps
+ * before here, which is very likely but not guaranteed
+ * if for some reason we receive RTCP before any RTP.
+ * In that unlikely case we will get event misordering
+ * warnings later, instead of getting them always as
+ * happens now.
+ */
+ if (peercaps && !gst_caps_is_subset (caps, peercaps)) {
+ gst_caps_unref (peercaps);
+ return GST_PAD_PROBE_DROP;
}
+ gst_caps_replace (&peercaps, NULL);
}
+ }
- return GST_PAD_PROBE_OK;
+ return GST_PAD_PROBE_OK;
}
#define PACKET_IS_DTLS(b) (b > 0x13 && b < 0x40)
#define PACKET_IS_RTP(b) (b > 0x7f && b < 0xc0)
-static GstStaticPadTemplate sink_template =
- GST_STATIC_PAD_TEMPLATE("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY
- );
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate rtp_src_template =
- GST_STATIC_PAD_TEMPLATE("rtp_src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS(
- "application/x-rtp;"
- "application/x-rtcp;"
- "application/x-srtp;"
- "application/x-srtcp")
+ GST_STATIC_PAD_TEMPLATE ("rtp_src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-rtp;"
+ "application/x-rtcp;" "application/x-srtp;" "application/x-srtcp")
);
static GstStaticPadTemplate dtls_src_template =
- GST_STATIC_PAD_TEMPLATE("dtls_src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS("application/x-dtls")
+GST_STATIC_PAD_TEMPLATE ("dtls_src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-dtls")
);
-GST_DEBUG_CATEGORY_STATIC(er_er_dtls_srtp_demux_debug);
+GST_DEBUG_CATEGORY_STATIC (er_er_dtls_srtp_demux_debug);
#define GST_CAT_DEFAULT er_er_dtls_srtp_demux_debug
#define gst_er_dtls_srtp_demux_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE(GstErDtlsSrtpDemux, gst_er_dtls_srtp_demux, GST_TYPE_ELEMENT,
- GST_DEBUG_CATEGORY_INIT(er_er_dtls_srtp_demux_debug, "erdtlssrtpdemux", 0, "Ericsson DTLS SRTP Demultiplexer"));
+G_DEFINE_TYPE_WITH_CODE (GstErDtlsSrtpDemux, gst_er_dtls_srtp_demux,
+ GST_TYPE_ELEMENT, GST_DEBUG_CATEGORY_INIT (er_er_dtls_srtp_demux_debug,
+ "erdtlssrtpdemux", 0, "Ericsson DTLS SRTP Demultiplexer"));
-static GstFlowReturn sink_chain(GstPad *, GstObject *self, GstBuffer *);
+static GstFlowReturn sink_chain (GstPad *, GstObject * self, GstBuffer *);
-static void gst_er_dtls_srtp_demux_class_init(GstErDtlsSrtpDemuxClass *klass)
+static void
+gst_er_dtls_srtp_demux_class_init (GstErDtlsSrtpDemuxClass * klass)
{
- GstElementClass *element_class;
-
- element_class = (GstElementClass *) klass;
-
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&sink_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&rtp_src_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&dtls_src_template));
-
- gst_element_class_set_static_metadata(element_class,
- "DTLS SRTP Demultiplexer",
- "DTLS/SRTP/Demux",
- "Demultiplexes DTLS and SRTP packets",
- "Patrik Oldsberg patrik.oldsberg@ericsson.com");
+ GstElementClass *element_class;
+
+ element_class = (GstElementClass *) klass;
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&rtp_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&dtls_src_template));
+
+ gst_element_class_set_static_metadata (element_class,
+ "DTLS SRTP Demultiplexer",
+ "DTLS/SRTP/Demux",
+ "Demultiplexes DTLS and SRTP packets",
+ "Patrik Oldsberg patrik.oldsberg@ericsson.com");
}
-static void gst_er_dtls_srtp_demux_init(GstErDtlsSrtpDemux *self)
+static void
+gst_er_dtls_srtp_demux_init (GstErDtlsSrtpDemux * self)
{
- GstPad *sink;
-
- sink = gst_pad_new_from_static_template(&sink_template, "sink");
- self->rtp_src = gst_pad_new_from_static_template(&rtp_src_template, "rtp_src");
- self->dtls_src = gst_pad_new_from_static_template(&dtls_src_template, "dtls_src");
- g_return_if_fail(sink);
- g_return_if_fail(self->rtp_src);
- g_return_if_fail(self->dtls_src);
-
- gst_pad_set_chain_function(sink, GST_DEBUG_FUNCPTR(sink_chain));
-
- gst_element_add_pad(GST_ELEMENT(self), sink);
- gst_element_add_pad(GST_ELEMENT(self), self->rtp_src);
- gst_element_add_pad(GST_ELEMENT(self), self->dtls_src);
+ GstPad *sink;
+
+ sink = gst_pad_new_from_static_template (&sink_template, "sink");
+ self->rtp_src =
+ gst_pad_new_from_static_template (&rtp_src_template, "rtp_src");
+ self->dtls_src =
+ gst_pad_new_from_static_template (&dtls_src_template, "dtls_src");
+ g_return_if_fail (sink);
+ g_return_if_fail (self->rtp_src);
+ g_return_if_fail (self->dtls_src);
+
+ gst_pad_set_chain_function (sink, GST_DEBUG_FUNCPTR (sink_chain));
+
+ gst_element_add_pad (GST_ELEMENT (self), sink);
+ gst_element_add_pad (GST_ELEMENT (self), self->rtp_src);
+ gst_element_add_pad (GST_ELEMENT (self), self->dtls_src);
}
-static GstFlowReturn sink_chain(GstPad *pad, GstObject *parent, GstBuffer *buffer)
+static GstFlowReturn
+sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
- GstErDtlsSrtpDemux *self = GST_ER_DTLS_SRTP_DEMUX(parent);
- guint8 first_byte;
+ GstErDtlsSrtpDemux *self = GST_ER_DTLS_SRTP_DEMUX (parent);
+ guint8 first_byte;
- if (gst_buffer_get_size(buffer) == 0) {
- GST_LOG_OBJECT(self, "received buffer with size 0");
- gst_buffer_unref(buffer);
- return GST_FLOW_OK;
- }
+ if (gst_buffer_get_size (buffer) == 0) {
+ GST_LOG_OBJECT (self, "received buffer with size 0");
+ gst_buffer_unref (buffer);
+ return GST_FLOW_OK;
+ }
- if (gst_buffer_extract(buffer, 0, &first_byte, 1) != 1) {
- GST_WARNING_OBJECT(self, "could not extract first byte from buffer");
- gst_buffer_unref(buffer);
- return GST_FLOW_OK;
- }
+ if (gst_buffer_extract (buffer, 0, &first_byte, 1) != 1) {
+ GST_WARNING_OBJECT (self, "could not extract first byte from buffer");
+ gst_buffer_unref (buffer);
+ return GST_FLOW_OK;
+ }
- if (PACKET_IS_DTLS(first_byte)) {
- GST_LOG_OBJECT(self, "pushing dtls packet");
+ if (PACKET_IS_DTLS (first_byte)) {
+ GST_LOG_OBJECT (self, "pushing dtls packet");
- return gst_pad_push(self->dtls_src, buffer);
- }
+ return gst_pad_push (self->dtls_src, buffer);
+ }
- if (PACKET_IS_RTP(first_byte)) {
- GST_LOG_OBJECT(self, "pushing rtp packet");
+ if (PACKET_IS_RTP (first_byte)) {
+ GST_LOG_OBJECT (self, "pushing rtp packet");
- return gst_pad_push(self->rtp_src, buffer);
- }
+ return gst_pad_push (self->rtp_src, buffer);
+ }
- GST_WARNING_OBJECT(self, "received invalid buffer: %x", first_byte);
- gst_buffer_unref(buffer);
- return GST_FLOW_OK;
+ GST_WARNING_OBJECT (self, "received invalid buffer: %x", first_byte);
+ gst_buffer_unref (buffer);
+ return GST_FLOW_OK;
}
#include <stdio.h>
static GstStaticPadTemplate rtp_sink_template =
- GST_STATIC_PAD_TEMPLATE("rtp_sink_%d",
- GST_PAD_SINK,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS("application/x-rtp;application/x-rtcp")
+ GST_STATIC_PAD_TEMPLATE ("rtp_sink_%d",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS ("application/x-rtp;application/x-rtcp")
);
static GstStaticPadTemplate rtcp_sink_template =
- GST_STATIC_PAD_TEMPLATE("rtcp_sink_%d",
- GST_PAD_SINK,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS("application/x-rtp;application/x-rtcp")
+ GST_STATIC_PAD_TEMPLATE ("rtcp_sink_%d",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS ("application/x-rtp;application/x-rtcp")
);
static GstStaticPadTemplate data_sink_template =
- GST_STATIC_PAD_TEMPLATE("data_sink",
- GST_PAD_SINK,
- GST_PAD_REQUEST,
- GST_STATIC_CAPS_ANY
- );
+GST_STATIC_PAD_TEMPLATE ("data_sink",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
-static GstStaticPadTemplate src_template =
- GST_STATIC_PAD_TEMPLATE("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY
- );
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
-GST_DEBUG_CATEGORY_STATIC(er_dtls_srtp_enc_debug);
+GST_DEBUG_CATEGORY_STATIC (er_dtls_srtp_enc_debug);
#define GST_CAT_DEFAULT er_dtls_srtp_enc_debug
#define gst_er_dtls_srtp_enc_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE(GstErDtlsSrtpEnc, gst_er_dtls_srtp_enc, GST_TYPE_ER_DTLS_SRTP_BIN,
- GST_DEBUG_CATEGORY_INIT(er_dtls_srtp_enc_debug, "erdtlssrtpenc", 0, "Ericsson DTLS Decoder"));
+G_DEFINE_TYPE_WITH_CODE (GstErDtlsSrtpEnc, gst_er_dtls_srtp_enc,
+ GST_TYPE_ER_DTLS_SRTP_BIN, GST_DEBUG_CATEGORY_INIT (er_dtls_srtp_enc_debug,
+ "erdtlssrtpenc", 0, "Ericsson DTLS Decoder"));
-enum {
- SIGNAL_ON_KEY_SET,
- NUM_SIGNALS
+enum
+{
+ SIGNAL_ON_KEY_SET,
+ NUM_SIGNALS
};
static guint signals[NUM_SIGNALS];
-enum {
- PROP_0,
- PROP_IS_CLIENT,
- NUM_PROPERTIES
+enum
+{
+ PROP_0,
+ PROP_IS_CLIENT,
+ NUM_PROPERTIES
};
static GParamSpec *properties[NUM_PROPERTIES];
#define DEFAULT_IS_CLIENT FALSE
-static gboolean transform_enum(GBinding *, const GValue *source_value, GValue *target_value, GEnumClass *);
+static gboolean transform_enum (GBinding *, const GValue * source_value,
+ GValue * target_value, GEnumClass *);
-static void gst_er_dtls_srtp_enc_set_property(GObject *, guint prop_id, const GValue *, GParamSpec *);
-static void gst_er_dtls_srtp_enc_get_property(GObject *, guint prop_id, GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_enc_set_property (GObject *, guint prop_id,
+ const GValue *, GParamSpec *);
+static void gst_er_dtls_srtp_enc_get_property (GObject *, guint prop_id,
+ GValue *, GParamSpec *);
-static GstPad *add_ghost_pad(GstElement *, const gchar *name, GstPad *, GstPadTemplate *);
-static GstPad *gst_er_dtls_srtp_enc_request_new_pad(GstElement *, GstPadTemplate *, const gchar *name, const GstCaps *);
+static GstPad *add_ghost_pad (GstElement *, const gchar * name, GstPad *,
+ GstPadTemplate *);
+static GstPad *gst_er_dtls_srtp_enc_request_new_pad (GstElement *,
+ GstPadTemplate *, const gchar * name, const GstCaps *);
-static void on_key_received(GObject *encoder, GstErDtlsSrtpEnc *);
+static void on_key_received (GObject * encoder, GstErDtlsSrtpEnc *);
-static void gst_er_dtls_srtp_enc_remove_dtls_element(GstErDtlsSrtpBin *);
-static GstPadProbeReturn remove_dtls_encoder_probe_callback(GstPad *, GstPadProbeInfo *, GstElement *);
+static void gst_er_dtls_srtp_enc_remove_dtls_element (GstErDtlsSrtpBin *);
+static GstPadProbeReturn remove_dtls_encoder_probe_callback (GstPad *,
+ GstPadProbeInfo *, GstElement *);
-static void gst_er_dtls_srtp_enc_class_init(GstErDtlsSrtpEncClass *klass)
+static void
+gst_er_dtls_srtp_enc_class_init (GstErDtlsSrtpEncClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
- GstErDtlsSrtpBinClass *dtls_srtp_bin_class;
-
- gobject_class = (GObjectClass *) klass;
- element_class = (GstElementClass *) klass;
- dtls_srtp_bin_class = (GstErDtlsSrtpBinClass *) klass;
-
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_enc_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_enc_get_property);
-
- element_class->request_new_pad = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_enc_request_new_pad);
-
- dtls_srtp_bin_class->remove_dtls_element = GST_DEBUG_FUNCPTR(gst_er_dtls_srtp_enc_remove_dtls_element);
-
- signals[SIGNAL_ON_KEY_SET] =
- g_signal_new("on-key-set", G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST, 0, NULL, NULL,
- g_cclosure_marshal_generic, G_TYPE_NONE, 0);
-
- properties[PROP_IS_CLIENT] =
- g_param_spec_boolean("is-client",
- "Is client",
- "Set to true if the decoder should act as "
- "client and initiate the handshake",
- DEFAULT_IS_CLIENT,
- GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties(gobject_class, NUM_PROPERTIES, properties);
-
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&rtp_sink_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&rtcp_sink_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&data_sink_template));
- gst_element_class_add_pad_template(element_class,
- gst_static_pad_template_get(&src_template));
-
- gst_element_class_set_static_metadata(element_class,
- "DTLS-SRTP Encoder",
- "Encoder/Network/DTLS/SRTP",
- "Encodes SRTP packets with a key received from DTLS",
- "Patrik Oldsberg patrik.oldsberg@ericsson.com");
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+ GstErDtlsSrtpBinClass *dtls_srtp_bin_class;
+
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+ dtls_srtp_bin_class = (GstErDtlsSrtpBinClass *) klass;
+
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_enc_set_property);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_enc_get_property);
+
+ element_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_enc_request_new_pad);
+
+ dtls_srtp_bin_class->remove_dtls_element =
+ GST_DEBUG_FUNCPTR (gst_er_dtls_srtp_enc_remove_dtls_element);
+
+ signals[SIGNAL_ON_KEY_SET] =
+ g_signal_new ("on-key-set", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 0);
+
+ properties[PROP_IS_CLIENT] =
+ g_param_spec_boolean ("is-client",
+ "Is client",
+ "Set to true if the decoder should act as "
+ "client and initiate the handshake",
+ DEFAULT_IS_CLIENT,
+ GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, NUM_PROPERTIES, properties);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&rtp_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&rtcp_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&data_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+
+ gst_element_class_set_static_metadata (element_class,
+ "DTLS-SRTP Encoder",
+ "Encoder/Network/DTLS/SRTP",
+ "Encodes SRTP packets with a key received from DTLS",
+ "Patrik Oldsberg patrik.oldsberg@ericsson.com");
}
-static void gst_er_dtls_srtp_enc_init(GstErDtlsSrtpEnc *self)
+static void
+gst_er_dtls_srtp_enc_init (GstErDtlsSrtpEnc * self)
{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS(GST_ELEMENT(self));
- static GEnumClass *cipher_enum_class, *auth_enum_class;
- gboolean ret;
+ GstElementClass *klass = GST_ELEMENT_GET_CLASS (GST_ELEMENT (self));
+ static GEnumClass *cipher_enum_class, *auth_enum_class;
+ gboolean ret;
/*
+--------------------+ +-----------------+
+--------------------+ +-----------------+
*/
- self->srtp_enc = gst_element_factory_make("srtpenc", "srtp-encoder");
- if (!self->srtp_enc) {
- GST_ERROR_OBJECT(self, "failed to create srtp encoder, is the srtp plugin registered?");
- return;
- }
- g_return_if_fail(self->srtp_enc);
- self->bin.dtls_element = gst_element_factory_make("erdtlsenc", "dtls-encoder");
- if (!self->bin.dtls_element) {
- GST_ERROR_OBJECT(self, "failed to create dtls encoder");
- return;
- }
- self->funnel = gst_element_factory_make("funnel", "funnel");
- if (!self->funnel) {
- GST_ERROR_OBJECT(self, "failed to create funnel");
- return;
- }
-
- gst_bin_add_many(GST_BIN(self), self->bin.dtls_element, self->srtp_enc, self->funnel, NULL);
-
- ret = gst_element_link(self->bin.dtls_element, self->funnel);
- g_return_if_fail(ret);
-
- add_ghost_pad(GST_ELEMENT(self), "src",
- gst_element_get_static_pad(self->funnel, "src"),
- gst_element_class_get_pad_template(klass, "src"));
-
- g_signal_connect(self->bin.dtls_element, "on-key-received", G_CALLBACK(on_key_received), self);
-
- if (g_once_init_enter(&cipher_enum_class)) {
- GType type = g_type_from_name("GstSrtpCipherType");
- g_assert(type);
- g_once_init_leave(&cipher_enum_class, g_type_class_peek(type));
- }
- if (g_once_init_enter(&auth_enum_class)) {
- GType type = g_type_from_name("GstSrtpAuthType");
- g_assert(type);
- g_once_init_leave(&auth_enum_class, g_type_class_peek(type));
- }
-
- g_object_set(self->srtp_enc, "random-key", TRUE, NULL);
-
- g_object_bind_property(G_OBJECT(self), "key", self->srtp_enc, "key", G_BINDING_DEFAULT);
- g_object_bind_property_full(G_OBJECT(self), "srtp-cipher", self->srtp_enc, "rtp-cipher", G_BINDING_DEFAULT,
- (GBindingTransformFunc) transform_enum, NULL, cipher_enum_class, NULL);
- g_object_bind_property_full(G_OBJECT(self), "srtcp-cipher", self->srtp_enc, "rtcp-cipher", G_BINDING_DEFAULT,
- (GBindingTransformFunc) transform_enum, NULL, cipher_enum_class, NULL);
- g_object_bind_property_full(G_OBJECT(self), "srtp-auth", self->srtp_enc, "rtp-auth", G_BINDING_DEFAULT,
- (GBindingTransformFunc) transform_enum, NULL, auth_enum_class, NULL);
- g_object_bind_property_full(G_OBJECT(self), "srtcp-auth", self->srtp_enc, "rtcp-auth", G_BINDING_DEFAULT,
- (GBindingTransformFunc) transform_enum, NULL, auth_enum_class, NULL);
+ self->srtp_enc = gst_element_factory_make ("srtpenc", "srtp-encoder");
+ if (!self->srtp_enc) {
+ GST_ERROR_OBJECT (self,
+ "failed to create srtp encoder, is the srtp plugin registered?");
+ return;
+ }
+ g_return_if_fail (self->srtp_enc);
+ self->bin.dtls_element =
+ gst_element_factory_make ("erdtlsenc", "dtls-encoder");
+ if (!self->bin.dtls_element) {
+ GST_ERROR_OBJECT (self, "failed to create dtls encoder");
+ return;
+ }
+ self->funnel = gst_element_factory_make ("funnel", "funnel");
+ if (!self->funnel) {
+ GST_ERROR_OBJECT (self, "failed to create funnel");
+ return;
+ }
+
+ gst_bin_add_many (GST_BIN (self), self->bin.dtls_element, self->srtp_enc,
+ self->funnel, NULL);
+
+ ret = gst_element_link (self->bin.dtls_element, self->funnel);
+ g_return_if_fail (ret);
+
+ add_ghost_pad (GST_ELEMENT (self), "src",
+ gst_element_get_static_pad (self->funnel, "src"),
+ gst_element_class_get_pad_template (klass, "src"));
+
+ g_signal_connect (self->bin.dtls_element, "on-key-received",
+ G_CALLBACK (on_key_received), self);
+
+ if (g_once_init_enter (&cipher_enum_class)) {
+ GType type = g_type_from_name ("GstSrtpCipherType");
+ g_assert (type);
+ g_once_init_leave (&cipher_enum_class, g_type_class_peek (type));
+ }
+ if (g_once_init_enter (&auth_enum_class)) {
+ GType type = g_type_from_name ("GstSrtpAuthType");
+ g_assert (type);
+ g_once_init_leave (&auth_enum_class, g_type_class_peek (type));
+ }
+
+ g_object_set (self->srtp_enc, "random-key", TRUE, NULL);
+
+ g_object_bind_property (G_OBJECT (self), "key", self->srtp_enc, "key",
+ G_BINDING_DEFAULT);
+ g_object_bind_property_full (G_OBJECT (self), "srtp-cipher", self->srtp_enc,
+ "rtp-cipher", G_BINDING_DEFAULT, (GBindingTransformFunc) transform_enum,
+ NULL, cipher_enum_class, NULL);
+ g_object_bind_property_full (G_OBJECT (self), "srtcp-cipher", self->srtp_enc,
+ "rtcp-cipher", G_BINDING_DEFAULT, (GBindingTransformFunc) transform_enum,
+ NULL, cipher_enum_class, NULL);
+ g_object_bind_property_full (G_OBJECT (self), "srtp-auth", self->srtp_enc,
+ "rtp-auth", G_BINDING_DEFAULT, (GBindingTransformFunc) transform_enum,
+ NULL, auth_enum_class, NULL);
+ g_object_bind_property_full (G_OBJECT (self), "srtcp-auth", self->srtp_enc,
+ "rtcp-auth", G_BINDING_DEFAULT, (GBindingTransformFunc) transform_enum,
+ NULL, auth_enum_class, NULL);
}
-static gboolean transform_enum(GBinding *binding, const GValue *source_value, GValue *target_value, GEnumClass *enum_class)
+static gboolean
+transform_enum (GBinding * binding, const GValue * source_value,
+ GValue * target_value, GEnumClass * enum_class)
{
- GEnumValue *enum_value;
- const gchar *nick;
+ GEnumValue *enum_value;
+ const gchar *nick;
- nick = g_value_get_string(source_value);
- g_return_val_if_fail(nick, FALSE);
+ nick = g_value_get_string (source_value);
+ g_return_val_if_fail (nick, FALSE);
- enum_value = g_enum_get_value_by_nick(enum_class, nick);
- g_return_val_if_fail(enum_value, FALSE);
+ enum_value = g_enum_get_value_by_nick (enum_class, nick);
+ g_return_val_if_fail (enum_value, FALSE);
- GST_DEBUG_OBJECT(g_binding_get_source(binding),
- "transforming enum from %s to %d", nick, enum_value->value);
+ GST_DEBUG_OBJECT (g_binding_get_source (binding),
+ "transforming enum from %s to %d", nick, enum_value->value);
- g_value_set_enum(target_value, enum_value->value);
+ g_value_set_enum (target_value, enum_value->value);
- return TRUE;
+ return TRUE;
}
-static void gst_er_dtls_srtp_enc_set_property(GObject *object,
- guint prop_id, const GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_enc_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC(object);
+ GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_IS_CLIENT:
- if (self->bin.dtls_element) {
- g_object_set_property(G_OBJECT(self->bin.dtls_element), "is-client", value);
- } else {
- GST_WARNING_OBJECT(self, "tried to set is-client after disabling DTLS");
- }
- break;
+ if (self->bin.dtls_element) {
+ g_object_set_property (G_OBJECT (self->bin.dtls_element), "is-client",
+ value);
+ } else {
+ GST_WARNING_OBJECT (self,
+ "tried to set is-client after disabling DTLS");
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static void gst_er_dtls_srtp_enc_get_property(GObject *object,
- guint prop_id, GValue *value, GParamSpec *pspec)
+static void
+gst_er_dtls_srtp_enc_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
{
- GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC(object);
+ GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC (object);
- switch (prop_id) {
+ switch (prop_id) {
case PROP_IS_CLIENT:
- if (self->bin.dtls_element) {
- g_object_get_property(G_OBJECT(self->bin.dtls_element), "is-client", value);
- } else {
- GST_WARNING_OBJECT(self, "tried to get is-client after disabling DTLS");
- }
- break;
+ if (self->bin.dtls_element) {
+ g_object_get_property (G_OBJECT (self->bin.dtls_element), "is-client",
+ value);
+ } else {
+ GST_WARNING_OBJECT (self,
+ "tried to get is-client after disabling DTLS");
+ }
+ break;
default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(self, prop_id, pspec);
- }
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
+ }
}
-static GstPad *add_ghost_pad(GstElement *element,
- const gchar *name, GstPad *target, GstPadTemplate *templ)
+static GstPad *
+add_ghost_pad (GstElement * element,
+ const gchar * name, GstPad * target, GstPadTemplate * templ)
{
- GstPad *pad;
- gboolean ret;
+ GstPad *pad;
+ gboolean ret;
- pad = gst_ghost_pad_new_from_template(name, target, templ);
- gst_object_unref(target);
- target = NULL;
+ pad = gst_ghost_pad_new_from_template (name, target, templ);
+ gst_object_unref (target);
+ target = NULL;
- ret = gst_pad_set_active(pad, TRUE);
- g_warn_if_fail(ret);
+ ret = gst_pad_set_active (pad, TRUE);
+ g_warn_if_fail (ret);
- ret = gst_element_add_pad(element, pad);
- g_warn_if_fail(ret);
+ ret = gst_element_add_pad (element, pad);
+ g_warn_if_fail (ret);
- return pad;
+ return pad;
}
-static GstPad *gst_er_dtls_srtp_enc_request_new_pad(GstElement *element,
- GstPadTemplate *templ, const gchar *name, const GstCaps *caps)
+static GstPad *
+gst_er_dtls_srtp_enc_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
- GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC(element);
- GstElementClass *klass = GST_ELEMENT_GET_CLASS(element);
- GstPad *target_pad;
- GstPad *ghost_pad = NULL;
- guint pad_n;
- gchar *srtp_src_name;
+ GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC (element);
+ GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
+ GstPad *target_pad;
+ GstPad *ghost_pad = NULL;
+ guint pad_n;
+ gchar *srtp_src_name;
- GST_DEBUG_OBJECT(element, "pad requested");
+ GST_DEBUG_OBJECT (element, "pad requested");
- g_return_val_if_fail(templ->direction == GST_PAD_SINK, NULL);
- g_return_val_if_fail(self->srtp_enc, NULL);
+ g_return_val_if_fail (templ->direction == GST_PAD_SINK, NULL);
+ g_return_val_if_fail (self->srtp_enc, NULL);
- if (templ == gst_element_class_get_pad_template(klass, "rtp_sink_%d")) {
- target_pad = gst_element_get_request_pad(self->srtp_enc, name);
- g_return_val_if_fail(target_pad, NULL);
+ if (templ == gst_element_class_get_pad_template (klass, "rtp_sink_%d")) {
+ target_pad = gst_element_get_request_pad (self->srtp_enc, name);
+ g_return_val_if_fail (target_pad, NULL);
- sscanf(GST_PAD_NAME(target_pad), "rtp_sink_%d", &pad_n);
- srtp_src_name = g_strdup_printf("rtp_src_%d", pad_n);
+ sscanf (GST_PAD_NAME (target_pad), "rtp_sink_%d", &pad_n);
+ srtp_src_name = g_strdup_printf ("rtp_src_%d", pad_n);
- gst_element_link_pads(self->srtp_enc, srtp_src_name, self->funnel, NULL);
+ gst_element_link_pads (self->srtp_enc, srtp_src_name, self->funnel, NULL);
- g_free(srtp_src_name);
+ g_free (srtp_src_name);
- ghost_pad = add_ghost_pad(element, name, target_pad, templ);
+ ghost_pad = add_ghost_pad (element, name, target_pad, templ);
- GST_LOG_OBJECT(self, "added rtp sink pad");
- } else if (templ == gst_element_class_get_pad_template(klass, "rtcp_sink_%d")) {
- target_pad = gst_element_get_request_pad(self->srtp_enc, name);
- g_return_val_if_fail(target_pad, NULL);
+ GST_LOG_OBJECT (self, "added rtp sink pad");
+ } else if (templ == gst_element_class_get_pad_template (klass,
+ "rtcp_sink_%d")) {
+ target_pad = gst_element_get_request_pad (self->srtp_enc, name);
+ g_return_val_if_fail (target_pad, NULL);
- sscanf(GST_PAD_NAME(target_pad), "rtcp_sink_%d", &pad_n);
- srtp_src_name = g_strdup_printf("rtcp_src_%d", pad_n);
+ sscanf (GST_PAD_NAME (target_pad), "rtcp_sink_%d", &pad_n);
+ srtp_src_name = g_strdup_printf ("rtcp_src_%d", pad_n);
- gst_element_link_pads(self->srtp_enc, srtp_src_name, self->funnel, NULL);
+ gst_element_link_pads (self->srtp_enc, srtp_src_name, self->funnel, NULL);
- g_free(srtp_src_name);
+ g_free (srtp_src_name);
- ghost_pad = add_ghost_pad(element, name, target_pad, templ);
+ ghost_pad = add_ghost_pad (element, name, target_pad, templ);
- GST_LOG_OBJECT(self, "added rtcp sink pad");
- } else if (templ == gst_element_class_get_pad_template(klass, "data_sink")) {
- g_return_val_if_fail(self->bin.dtls_element, NULL);
- target_pad = gst_element_get_request_pad(self->bin.dtls_element, "sink");
+ GST_LOG_OBJECT (self, "added rtcp sink pad");
+ } else if (templ == gst_element_class_get_pad_template (klass, "data_sink")) {
+ g_return_val_if_fail (self->bin.dtls_element, NULL);
+ target_pad = gst_element_get_request_pad (self->bin.dtls_element, "sink");
- ghost_pad = add_ghost_pad(element, name, target_pad, templ);
+ ghost_pad = add_ghost_pad (element, name, target_pad, templ);
- GST_LOG_OBJECT(self, "added data sink pad");
- } else {
- g_warn_if_reached();
- }
+ GST_LOG_OBJECT (self, "added data sink pad");
+ } else {
+ g_warn_if_reached ();
+ }
- if (caps && ghost_pad) {
- g_object_set(ghost_pad, "caps", caps, NULL);
- }
+ if (caps && ghost_pad) {
+ g_object_set (ghost_pad, "caps", caps, NULL);
+ }
- return ghost_pad;
+ return ghost_pad;
}
-static void on_key_received(GObject *encoder, GstErDtlsSrtpEnc *self)
+static void
+on_key_received (GObject * encoder, GstErDtlsSrtpEnc * self)
{
- GstErDtlsSrtpBin *bin = GST_ER_DTLS_SRTP_BIN(self);
- GstBuffer *buffer = NULL;
- guint cipher, auth;
-
- if (!(bin->key_is_set || bin->srtp_cipher || bin->srtp_auth
- || bin->srtcp_cipher || bin->srtcp_auth)) {
- g_object_get(encoder,
- "encoder-key", &buffer,
- "srtp-cipher", &cipher,
- "srtp-auth", &auth,
- NULL);
-
- g_object_set(self->srtp_enc,
- "rtp-cipher", cipher,
- "rtcp-cipher", cipher,
- "rtp-auth", auth,
- "rtcp-auth", auth,
- "key", buffer,
- "random-key", FALSE,
- NULL);
-
- g_signal_emit(self, signals[SIGNAL_ON_KEY_SET], 0);
- } else {
- GST_DEBUG_OBJECT(self, "ignoring keys received from DTLS handshake, key struct is set");
- }
+ GstErDtlsSrtpBin *bin = GST_ER_DTLS_SRTP_BIN (self);
+ GstBuffer *buffer = NULL;
+ guint cipher, auth;
+
+ if (!(bin->key_is_set || bin->srtp_cipher || bin->srtp_auth
+ || bin->srtcp_cipher || bin->srtcp_auth)) {
+ g_object_get (encoder,
+ "encoder-key", &buffer,
+ "srtp-cipher", &cipher, "srtp-auth", &auth, NULL);
+
+ g_object_set (self->srtp_enc,
+ "rtp-cipher", cipher,
+ "rtcp-cipher", cipher,
+ "rtp-auth", auth,
+ "rtcp-auth", auth, "key", buffer, "random-key", FALSE, NULL);
+
+ g_signal_emit (self, signals[SIGNAL_ON_KEY_SET], 0);
+ } else {
+ GST_DEBUG_OBJECT (self,
+ "ignoring keys received from DTLS handshake, key struct is set");
+ }
}
-static void gst_er_dtls_srtp_enc_remove_dtls_element(GstErDtlsSrtpBin *bin)
+static void
+gst_er_dtls_srtp_enc_remove_dtls_element (GstErDtlsSrtpBin * bin)
{
- GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC(bin);
- GstPad *dtls_sink_pad, *peer_pad;
- gulong id;
- guint rtp_cipher = 1, rtcp_cipher = 1, rtp_auth = 1, rtcp_auth = 1;
-
- if (!bin->dtls_element) {
- return;
- }
-
- g_object_get(self->srtp_enc,
- "rtp-cipher", &rtp_cipher,
- "rtcp-cipher", &rtcp_cipher,
- "rtp-auth", &rtp_auth,
- "rtcp-auth", &rtcp_auth,
- NULL);
-
- if (!rtp_cipher && !rtcp_cipher && !rtp_auth && !rtcp_auth) {
- g_object_set(self->srtp_enc, "random-key", FALSE, NULL);
- }
-
- dtls_sink_pad = gst_element_get_static_pad(bin->dtls_element, "sink");
-
- if (!dtls_sink_pad) {
- gst_element_set_state(GST_ELEMENT(bin->dtls_element), GST_STATE_NULL);
- gst_bin_remove(GST_BIN(self), bin->dtls_element);
- bin->dtls_element = NULL;
- return;
- }
-
- peer_pad = gst_pad_get_peer(dtls_sink_pad);
- g_return_if_fail(peer_pad);
- gst_object_unref(dtls_sink_pad);
- dtls_sink_pad = NULL;
-
- id = gst_pad_add_probe(peer_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
- (GstPadProbeCallback) remove_dtls_encoder_probe_callback, bin->dtls_element, NULL);
- g_return_if_fail(id);
+ GstErDtlsSrtpEnc *self = GST_ER_DTLS_SRTP_ENC (bin);
+ GstPad *dtls_sink_pad, *peer_pad;
+ gulong id;
+ guint rtp_cipher = 1, rtcp_cipher = 1, rtp_auth = 1, rtcp_auth = 1;
+
+ if (!bin->dtls_element) {
+ return;
+ }
+
+ g_object_get (self->srtp_enc,
+ "rtp-cipher", &rtp_cipher,
+ "rtcp-cipher", &rtcp_cipher,
+ "rtp-auth", &rtp_auth, "rtcp-auth", &rtcp_auth, NULL);
+
+ if (!rtp_cipher && !rtcp_cipher && !rtp_auth && !rtcp_auth) {
+ g_object_set (self->srtp_enc, "random-key", FALSE, NULL);
+ }
+
+ dtls_sink_pad = gst_element_get_static_pad (bin->dtls_element, "sink");
+
+ if (!dtls_sink_pad) {
+ gst_element_set_state (GST_ELEMENT (bin->dtls_element), GST_STATE_NULL);
+ gst_bin_remove (GST_BIN (self), bin->dtls_element);
bin->dtls_element = NULL;
+ return;
+ }
+
+ peer_pad = gst_pad_get_peer (dtls_sink_pad);
+ g_return_if_fail (peer_pad);
+ gst_object_unref (dtls_sink_pad);
+ dtls_sink_pad = NULL;
+
+ id = gst_pad_add_probe (peer_pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
+ (GstPadProbeCallback) remove_dtls_encoder_probe_callback,
+ bin->dtls_element, NULL);
+ g_return_if_fail (id);
+ bin->dtls_element = NULL;
- gst_pad_push_event(peer_pad, gst_event_new_custom(GST_EVENT_CUSTOM_DOWNSTREAM, gst_structure_new_empty("dummy")));
+ gst_pad_push_event (peer_pad,
+ gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
+ gst_structure_new_empty ("dummy")));
- gst_object_unref(peer_pad);
+ gst_object_unref (peer_pad);
}
-static GstPadProbeReturn remove_dtls_encoder_probe_callback(GstPad *pad,
- GstPadProbeInfo *info, GstElement *element)
+static GstPadProbeReturn
+remove_dtls_encoder_probe_callback (GstPad * pad,
+ GstPadProbeInfo * info, GstElement * element)
{
- gst_pad_remove_probe(pad, GST_PAD_PROBE_INFO_ID(info));
+ gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));
- gst_element_set_state(GST_ELEMENT(element), GST_STATE_NULL);
- gst_bin_remove(GST_BIN(GST_ELEMENT_PARENT(element)), element);
+ gst_element_set_state (GST_ELEMENT (element), GST_STATE_NULL);
+ gst_bin_remove (GST_BIN (GST_ELEMENT_PARENT (element)), element);
- return GST_PAD_PROBE_OK;
+ return GST_PAD_PROBE_OK;
}
#include <gst/gst.h>
-static gboolean plugin_init(GstPlugin *plugin)
+static gboolean
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register(plugin, "erdtlsenc", GST_RANK_NONE, GST_TYPE_ER_DTLS_ENC)
- && gst_element_register(plugin, "erdtlsdec", GST_RANK_NONE, GST_TYPE_ER_DTLS_DEC)
- && gst_element_register(plugin, "erdtlssrtpdec", GST_RANK_NONE, GST_TYPE_ER_DTLS_SRTP_DEC)
- && gst_element_register(plugin, "erdtlssrtpenc", GST_RANK_NONE, GST_TYPE_ER_DTLS_SRTP_ENC)
- && gst_element_register(plugin, "erdtlssrtpdemux", GST_RANK_NONE, GST_TYPE_ER_DTLS_SRTP_DEMUX);
+ return gst_element_register (plugin, "erdtlsenc", GST_RANK_NONE,
+ GST_TYPE_ER_DTLS_ENC)
+ && gst_element_register (plugin, "erdtlsdec", GST_RANK_NONE,
+ GST_TYPE_ER_DTLS_DEC)
+ && gst_element_register (plugin, "erdtlssrtpdec", GST_RANK_NONE,
+ GST_TYPE_ER_DTLS_SRTP_DEC)
+ && gst_element_register (plugin, "erdtlssrtpenc", GST_RANK_NONE,
+ GST_TYPE_ER_DTLS_SRTP_ENC)
+ && gst_element_register (plugin, "erdtlssrtpdemux", GST_RANK_NONE,
+ GST_TYPE_ER_DTLS_SRTP_DEMUX);
}
/* PACKAGE: this is usually set by autotools depending on some _INIT macro
/* gstreamer looks for this structure to register plugins
*/
-GST_PLUGIN_DEFINE(
- GST_VERSION_MAJOR,
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
erdtls,
"Ericsson DTLS decoder and encoder plugins",
plugin_init,
PACKAGE_VERSION,
- "BSD",
- "OpenWebRTC GStreamer plugins",
- "http://www.openwebrtc.io/"
-)
+ "BSD", "OpenWebRTC GStreamer plugins", "http://www.openwebrtc.io/")
projects / platform / upstream / gstreamer.git / commitdiff