*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
+#include <errno.h>
#include <stdio.h>
+#include <unistd.h>
#include <string.h>
#include <sys/vfs.h>
+#include <sys/inotify.h>
#include <glib.h>
#include "connman.h"
char *private_key_passphrase_type;
char *phase2;
char *passphrase;
+ GSList *service_identifiers;
+ char *config_ident; /* file prefix */
+ char *config_entry; /* entry name */
};
struct connman_config {
char *ident;
char *name;
char *description;
+ connman_bool_t protected;
GHashTable *service_table;
};
static GHashTable *config_table = NULL;
+static GSList *protected_services = NULL;
+
+static int inotify_wd = -1;
+
+static GIOChannel *inotify_channel = NULL;
+static uint inotify_watch = 0;
+static connman_bool_t cleanup = FALSE;
+
+#define INTERNAL_CONFIG_PREFIX "__internal"
+
+/* Definition of possible strings in the .config files */
+#define CONFIG_KEY_NAME "Name"
+#define CONFIG_KEY_DESC "Description"
+#define CONFIG_KEY_PROT "Protected"
+
+#define SERVICE_KEY_TYPE "Type"
+#define SERVICE_KEY_NAME "Name"
+#define SERVICE_KEY_SSID "SSID"
+#define SERVICE_KEY_EAP "EAP"
+#define SERVICE_KEY_CA_CERT "CACertFile"
+#define SERVICE_KEY_CL_CERT "ClientCertFile"
+#define SERVICE_KEY_PRV_KEY "PrivateKeyFile"
+#define SERVICE_KEY_PRV_KEY_PASS "PrivateKeyPassphrase"
+#define SERVICE_KEY_PRV_KEY_PASS_TYPE "PrivateKeyPassphraseType"
+#define SERVICE_KEY_IDENTITY "Identity"
+#define SERVICE_KEY_PHASE2 "Phase2"
+#define SERVICE_KEY_PASSPHRASE "Passphrase"
+
+static const char *config_possible_keys[] = {
+ CONFIG_KEY_NAME,
+ CONFIG_KEY_DESC,
+ CONFIG_KEY_PROT,
+ NULL,
+};
+
+static const char *service_possible_keys[] = {
+ SERVICE_KEY_TYPE,
+ SERVICE_KEY_NAME,
+ SERVICE_KEY_SSID,
+ SERVICE_KEY_EAP,
+ SERVICE_KEY_CA_CERT,
+ SERVICE_KEY_CL_CERT,
+ SERVICE_KEY_PRV_KEY,
+ SERVICE_KEY_PRV_KEY_PASS,
+ SERVICE_KEY_PRV_KEY_PASS_TYPE,
+ SERVICE_KEY_IDENTITY,
+ SERVICE_KEY_PHASE2,
+ SERVICE_KEY_PASSPHRASE,
+ NULL,
+};
static void unregister_config(gpointer data)
{
static void unregister_service(gpointer data)
{
- struct connman_config_service *service = data;
-
- connman_info("Removing service configuration %s", service->ident);
-
- g_free(service->ident);
- g_free(service->type);
- g_free(service->name);
- g_free(service->ssid);
- g_free(service->eap);
- g_free(service->identity);
- g_free(service->ca_cert_file);
- g_free(service->client_cert_file);
- g_free(service->private_key_file);
- g_free(service->private_key_passphrase);
- g_free(service->private_key_passphrase_type);
- g_free(service->phase2);
- g_free(service->passphrase);
- g_free(service);
+ struct connman_config_service *config_service = data;
+ struct connman_service *service;
+ char *service_id;
+ GSList *list;
+
+ if (cleanup == TRUE)
+ goto free_only;
+
+ connman_info("Removing service configuration %s",
+ config_service->ident);
+
+ protected_services = g_slist_remove(protected_services,
+ config_service);
+
+ for (list = config_service->service_identifiers; list != NULL;
+ list = list->next) {
+ service_id = list->data;
+
+ service = __connman_service_lookup_from_ident(service_id);
+ if (service != NULL) {
+ __connman_service_set_immutable(service, FALSE);
+ __connman_service_remove(service);
+ }
+
+ if (__connman_storage_remove_service(service_id) == FALSE)
+ DBG("Could not remove all files for service %s",
+ service_id);
+ }
+
+free_only:
+ g_free(config_service->ident);
+ g_free(config_service->type);
+ g_free(config_service->name);
+ g_free(config_service->ssid);
+ g_free(config_service->eap);
+ g_free(config_service->identity);
+ g_free(config_service->ca_cert_file);
+ g_free(config_service->client_cert_file);
+ g_free(config_service->private_key_file);
+ g_free(config_service->private_key_passphrase);
+ g_free(config_service->private_key_passphrase_type);
+ g_free(config_service->phase2);
+ g_free(config_service->passphrase);
+ g_slist_free_full(config_service->service_identifiers, g_free);
+ g_free(config_service->config_ident);
+ g_free(config_service->config_entry);
+ g_free(config_service);
+}
+
+static void check_keys(GKeyFile *keyfile, const char *group,
+ const char **possible_keys)
+{
+ char **avail_keys;
+ gsize nb_avail_keys, i, j;
+
+ avail_keys = g_key_file_get_keys(keyfile, group, &nb_avail_keys, NULL);
+ if (avail_keys == NULL)
+ return;
+
+ /*
+ * For each key in the configuration file,
+ * verify it is understood by connman
+ */
+ for (i = 0 ; i < nb_avail_keys; i++) {
+ for (j = 0; possible_keys[j] ; j++)
+ if (g_strcmp0(avail_keys[i], possible_keys[j]) == 0)
+ break;
+
+ if (possible_keys[j] == NULL)
+ connman_warn("Unknown configuration key %s in [%s]",
+ avail_keys[i], group);
+ }
+
+ g_strfreev(avail_keys);
+}
+
+static connman_bool_t
+is_protected_service(struct connman_config_service *service)
+{
+ GSList *list;
+
+ DBG("ident %s", service->ident);
+
+ for (list = protected_services; list; list = list->next) {
+ struct connman_config_service *s = list->data;
+
+ if (g_strcmp0(s->type, service->type) != 0)
+ continue;
+
+ if (s->ssid == NULL || service->ssid == NULL)
+ continue;
+
+ if (s->ssid_len != service->ssid_len)
+ continue;
+
+ if (g_strcmp0(service->type, "wifi") == 0 &&
+ strncmp(s->ssid, service->ssid, s->ssid_len) == 0) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
}
static int load_service(GKeyFile *keyfile, const char *group,
struct connman_config_service *service;
const char *ident;
char *str, *hex_ssid;
+ gboolean service_created = FALSE;
+ int err;
/* Strip off "service_" prefix */
ident = group + 8;
if (strlen(ident) < 1)
return -EINVAL;
+ /* Verify that provided keys are good */
+ check_keys(keyfile, group, service_possible_keys);
+
service = g_hash_table_lookup(config->service_table, ident);
if (service == NULL) {
service = g_try_new0(struct connman_config_service, 1);
return -ENOMEM;
service->ident = g_strdup(ident);
+
+ service_created = TRUE;
}
- str = g_key_file_get_string(keyfile, group, "Type", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
if (str != NULL) {
g_free(service->type);
service->type = str;
}
- str = g_key_file_get_string(keyfile, group, "Name", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
if (str != NULL) {
g_free(service->name);
service->name = str;
}
- hex_ssid = g_key_file_get_string(keyfile, group, "SSID", NULL);
+ hex_ssid = g_key_file_get_string(keyfile, group, SERVICE_KEY_SSID,
+ NULL);
if (hex_ssid != NULL) {
char *ssid;
unsigned int i, j = 0, hex;
ssid = g_try_malloc0(hex_ssid_len / 2);
if (ssid == NULL) {
+ err = -ENOMEM;
g_free(hex_ssid);
- return -ENOMEM;
+ goto err;
}
for (i = 0; i < hex_ssid_len; i += 2) {
- sscanf(hex_ssid + i, "%02x", &hex);
+ if (sscanf(hex_ssid + i, "%02x", &hex) <= 0) {
+ connman_warn("Invalid SSID %s", hex_ssid);
+ g_free(ssid);
+ g_free(hex_ssid);
+ err = -EILSEQ;
+ goto err;
+ }
ssid[j++] = hex;
}
ssid_len = strlen(service->name);
ssid = g_try_malloc0(ssid_len);
- if (ssid == NULL)
- return -ENOMEM;
+ if (ssid == NULL) {
+ err = -ENOMEM;
+ goto err;
+ }
memcpy(ssid, service->name, ssid_len);
g_free(service->ssid);
service->ssid_len = ssid_len;
}
- str = g_key_file_get_string(keyfile, group, "EAP", NULL);
+ if (is_protected_service(service) == TRUE) {
+ connman_error("Trying to provision a protected service");
+ err = -EACCES;
+ goto err;
+ }
+
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
if (str != NULL) {
g_free(service->eap);
service->eap = str;
}
- str = g_key_file_get_string(keyfile, group, "CACertFile", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
if (str != NULL) {
g_free(service->ca_cert_file);
service->ca_cert_file = str;
}
- str = g_key_file_get_string(keyfile, group, "ClientCertFile", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
if (str != NULL) {
g_free(service->client_cert_file);
service->client_cert_file = str;
}
- str = g_key_file_get_string(keyfile, group, "PrivateKeyFile", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
if (str != NULL) {
g_free(service->private_key_file);
service->private_key_file = str;
}
str = g_key_file_get_string(keyfile, group,
- "PrivateKeyPassphrase", NULL);
+ SERVICE_KEY_PRV_KEY_PASS, NULL);
if (str != NULL) {
g_free(service->private_key_passphrase);
service->private_key_passphrase = str;
}
str = g_key_file_get_string(keyfile, group,
- "PrivateKeyPassphraseType", NULL);
+ SERVICE_KEY_PRV_KEY_PASS_TYPE, NULL);
if (str != NULL) {
g_free(service->private_key_passphrase_type);
service->private_key_passphrase_type = str;
}
- str = g_key_file_get_string(keyfile, group, "Identity", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
if (str != NULL) {
g_free(service->identity);
service->identity = str;
}
- str = g_key_file_get_string(keyfile, group, "Phase2", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
if (str != NULL) {
g_free(service->phase2);
service->phase2 = str;
}
- str = g_key_file_get_string(keyfile, group, "Passphrase", NULL);
+ str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
+ NULL);
if (str != NULL) {
g_free(service->passphrase);
service->passphrase = str;
}
- g_hash_table_replace(config->service_table, service->ident, service);
+ service->config_ident = g_strdup(config->ident);
+ service->config_entry = g_strdup_printf("service_%s", service->ident);
+
+ if (service_created)
+ g_hash_table_insert(config->service_table, service->ident,
+ service);
+
+ if (config->protected == TRUE)
+ protected_services =
+ g_slist_append(protected_services, service);
connman_info("Adding service configuration %s", service->ident);
return 0;
+
+err:
+ if (service_created == TRUE) {
+ g_free(service->ident);
+ g_free(service->type);
+ g_free(service->name);
+ g_free(service->ssid);
+ g_free(service);
+ }
+
+ return err;
}
static int load_config(struct connman_config *config)
{
GKeyFile *keyfile;
+ GError *error = NULL;
gsize length;
char **groups;
char *str;
+ gboolean protected, found = FALSE;
int i;
DBG("config %p", config);
- keyfile = __connman_storage_open_config(config->ident);
+ keyfile = __connman_storage_load_config(config->ident);
if (keyfile == NULL)
return -EIO;
- str = g_key_file_get_string(keyfile, "global", "Name", NULL);
+ /* Verify keys validity of the global section */
+ check_keys(keyfile, "global", config_possible_keys);
+
+ str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
if (str != NULL) {
g_free(config->name);
config->name = str;
}
- str = g_key_file_get_string(keyfile, "global", "Description", NULL);
+ str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
if (str != NULL) {
g_free(config->description);
config->description = str;
}
+ protected = g_key_file_get_boolean(keyfile, "global",
+ CONFIG_KEY_PROT, &error);
+ if (error == NULL)
+ config->protected = protected;
+ else
+ config->protected = TRUE;
+
groups = g_key_file_get_groups(keyfile, &length);
for (i = 0; groups[i] != NULL; i++) {
- if (g_str_has_prefix(groups[i], "service_") == TRUE)
- load_service(keyfile, groups[i], config);
+ if (g_str_has_prefix(groups[i], "service_") == TRUE) {
+ if (load_service(keyfile, groups[i], config) == 0)
+ found = TRUE;
+ }
}
+ if (found == FALSE)
+ connman_warn("Config file %s/%s.config does not contain any "
+ "configuration that can be provisioned!",
+ STORAGEDIR, config->ident);
+
g_strfreev(groups);
- __connman_storage_close_config(config->ident, keyfile, FALSE);
+ g_key_file_free(keyfile);
return 0;
}
-static int create_config(const char *ident)
+static struct connman_config *create_config(const char *ident)
{
struct connman_config *config;
DBG("ident %s", ident);
if (g_hash_table_lookup(config_table, ident) != NULL)
- return -EEXIST;
+ return NULL;
config = g_try_new0(struct connman_config, 1);
if (config == NULL)
- return -ENOMEM;
+ return NULL;
config->ident = g_strdup(ident);
connman_info("Adding configuration %s", config->ident);
- load_config(config);
+ return config;
+}
- return 0;
+static connman_bool_t validate_ident(const char *ident)
+{
+ unsigned int i;
+
+ if (ident == NULL)
+ return FALSE;
+
+ for (i = 0; i < strlen(ident); i++)
+ if (g_ascii_isprint(ident[i]) == FALSE)
+ return FALSE;
+
+ return TRUE;
}
static int read_configs(void)
ident = g_string_free(str, FALSE);
- if (connman_dbus_validate_ident(ident) == TRUE)
- create_config(ident);
+ if (validate_ident(ident) == TRUE) {
+ struct connman_config *config;
+ config = create_config(ident);
+ if (config != NULL)
+ load_config(config);
+ } else {
+ connman_error("Invalid config ident %s", ident);
+ }
g_free(ident);
}
return 0;
}
+static gboolean inotify_data(GIOChannel *channel, GIOCondition cond,
+ gpointer user_data)
+{
+ char buffer[256];
+ char *next_event;
+ gsize bytes_read;
+ GIOStatus status;
+
+ if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
+ inotify_watch = 0;
+ return FALSE;
+ }
+
+ status = g_io_channel_read_chars(channel, buffer,
+ sizeof(buffer) -1, &bytes_read, NULL);
+
+ switch (status) {
+ case G_IO_STATUS_NORMAL:
+ break;
+ case G_IO_STATUS_AGAIN:
+ return TRUE;
+ default:
+ connman_error("Reading from inotify channel failed");
+ inotify_watch = 0;
+ return FALSE;
+ }
+
+ next_event = buffer;
+
+ while (bytes_read > 0) {
+ struct inotify_event *event;
+ gchar *ext;
+ gchar *ident;
+ gsize len;
+
+ event = (struct inotify_event *) next_event;
+ if (event->len)
+ ident = next_event + sizeof(struct inotify_event);
+ else
+ ident = NULL;
+
+ len = sizeof(struct inotify_event) + event->len;
+
+ /* check if inotify_event block fit */
+ if (len > bytes_read)
+ break;
+
+ next_event += len;
+ bytes_read -= len;
+
+ if (ident == NULL)
+ continue;
+
+ if (g_str_has_suffix(ident, ".config") == FALSE)
+ continue;
+
+ ext = g_strrstr(ident, ".config");
+ if (ext == NULL)
+ continue;
+
+ *ext = '\0';
+
+ if (validate_ident(ident) == FALSE) {
+ connman_error("Invalid config ident %s", ident);
+ continue;
+ }
+
+ if (event->mask & IN_CREATE)
+ create_config(ident);
+
+ if (event->mask & IN_MODIFY) {
+ struct connman_config *config;
+
+ config = g_hash_table_lookup(config_table, ident);
+ if (config != NULL) {
+ int ret;
+
+ g_hash_table_remove_all(config->service_table);
+ load_config(config);
+ ret = __connman_service_provision_changed(ident);
+ if (ret > 0) {
+ /*
+ * Re-scan the config file for any
+ * changes
+ */
+ g_hash_table_remove_all(config->service_table);
+ load_config(config);
+ __connman_service_provision_changed(ident);
+ }
+ }
+ }
+
+ if (event->mask & IN_DELETE)
+ g_hash_table_remove(config_table, ident);
+ }
+
+ return TRUE;
+}
+
+static int create_watch(void)
+{
+ int fd;
+
+ fd = inotify_init();
+ if (fd < 0)
+ return -EIO;
+
+ inotify_wd = inotify_add_watch(fd, STORAGEDIR,
+ IN_MODIFY | IN_CREATE | IN_DELETE);
+ if (inotify_wd < 0) {
+ connman_error("Creation of STORAGEDIR watch failed");
+ close(fd);
+ return -EIO;
+ }
+
+ inotify_channel = g_io_channel_unix_new(fd);
+ if (inotify_channel == NULL) {
+ connman_error("Creation of inotify channel failed");
+ inotify_rm_watch(fd, inotify_wd);
+ inotify_wd = 0;
+
+ close(fd);
+ return -EIO;
+ }
+
+ g_io_channel_set_close_on_unref(inotify_channel, TRUE);
+ g_io_channel_set_encoding(inotify_channel, NULL, NULL);
+ g_io_channel_set_buffered(inotify_channel, FALSE);
+
+ inotify_watch = g_io_add_watch(inotify_channel,
+ G_IO_IN | G_IO_HUP | G_IO_NVAL | G_IO_ERR,
+ inotify_data, NULL);
+
+ return 0;
+}
+
+static void remove_watch(void)
+{
+ int fd;
+
+ if (inotify_channel == NULL)
+ return;
+
+ if (inotify_watch > 0) {
+ g_source_remove(inotify_watch);
+ inotify_watch = 0;
+ }
+
+ fd = g_io_channel_unix_get_fd(inotify_channel);
+
+ if (inotify_wd >= 0) {
+ inotify_rm_watch(fd, inotify_wd);
+ inotify_wd = 0;
+ }
+
+ g_io_channel_unref(inotify_channel);
+}
+
int __connman_config_init(void)
{
DBG("");
config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
NULL, unregister_config);
+ create_watch();
+
return read_configs();
}
{
DBG("");
+ cleanup = TRUE;
+
+ remove_watch();
+
g_hash_table_destroy(config_table);
config_table = NULL;
+
+ cleanup = FALSE;
}
static char *config_pem_fsid(const char *pem_file)
struct connman_service *service = user_data;
struct connman_config_service *config = value;
struct connman_network *network;
- const void *ssid;
+ const void *ssid, *service_id;
unsigned int ssid_len;
/* For now only WiFi service entries are supported */
if (memcmp(config->ssid, ssid, ssid_len) != 0)
return;
+ service_id = __connman_service_get_ident(service);
+ config->service_identifiers =
+ g_slist_prepend(config->service_identifiers,
+ g_strdup(service_id));
+
__connman_service_set_immutable(service, TRUE);
- __connman_service_set_favorite(service, TRUE);
+
+ __connman_service_set_favorite_delayed(service, TRUE, TRUE);
+
+ __connman_service_set_config(service, config->config_ident,
+ config->config_entry);
if (config->eap != NULL)
__connman_service_set_string(service, "EAP", config->eap);
if (config->passphrase != NULL)
__connman_service_set_string(service, "Passphrase", config->passphrase);
+
+ __connman_service_mark_dirty();
+
+ __connman_service_save(service);
}
int __connman_config_provision_service(struct connman_service *service)
return 0;
}
+
+int __connman_config_provision_service_ident(struct connman_service *service,
+ const char *ident, const char *file, const char *entry)
+{
+ enum connman_service_type type;
+ struct connman_config *config;
+ int ret = 0;
+
+ DBG("service %p", service);
+
+ /* For now only WiFi services are supported */
+ type = connman_service_get_type(service);
+ if (type != CONNMAN_SERVICE_TYPE_WIFI)
+ return -ENOSYS;
+
+ config = g_hash_table_lookup(config_table, ident);
+ if(config != NULL) {
+ GHashTableIter iter;
+ gpointer value, key;
+ gboolean found = FALSE;
+
+ g_hash_table_iter_init(&iter, config->service_table);
+
+ /*
+ * Check if we need to remove individual service if it
+ * is missing from config file.
+ */
+ if (file != NULL && entry != NULL) {
+ while (g_hash_table_iter_next(&iter, &key,
+ &value) == TRUE) {
+ struct connman_config_service *config = value;
+
+ if (g_strcmp0(config->config_ident,
+ file) == 0 &&
+ g_strcmp0(config->config_entry,
+ entry) == 0) {
+ found = TRUE;
+ break;
+ }
+ }
+
+ DBG("found %d ident %s file %s entry %s", found, ident,
+ file, entry);
+
+ if (found == FALSE) {
+ /*
+ * The entry+8 will skip "service_" prefix
+ */
+ g_hash_table_remove(config->service_table,
+ entry + 8);
+ ret = 1;
+ }
+ }
+
+ g_hash_table_foreach(config->service_table,
+ provision_service, service);
+ }
+
+ return ret;
+}
projects / framework / connectivity / connman.git / blobdiff