* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
#ifdef USE_GNUTLS_NETTLE
#include <gnutls/crypto.h>
#include <nettle/md5.h>
+#include <nettle/sha2.h>
#else
#include <gcrypt.h>
#endif
#include "select.h"
#include "rawstr.h"
#include "warnless.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
+#include "x509asn1.h"
+#include "curl_printf.h"
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
/*
Some hackish cast macros based on:
- http://library.gnome.org/devel/glib/unstable/glib-Type-Conversion-Macros.html
+ https://developer.gnome.org/glib/unstable/glib-Type-Conversion-Macros.html
*/
#ifndef GNUTLS_POINTER_TO_INT_CAST
#define GNUTLS_POINTER_TO_INT_CAST(p) ((int) (long) (p))
# define GNUTLS_MAPS_WINSOCK_ERRORS 1
# endif
-# ifdef USE_NGHTTP2
-# undef HAS_ALPN
-# if (GNUTLS_VERSION_NUMBER >= 0x030200)
-# define HAS_ALPN
-# endif
+# if (GNUTLS_VERSION_NUMBER >= 0x030200)
+# define HAS_ALPN
+# endif
+
+# if (GNUTLS_VERSION_NUMBER >= 0x03020d)
+# define HAS_OCSP
+# endif
+
+# if (GNUTLS_VERSION_NUMBER >= 0x030306)
+# define HAS_CAPATH
# endif
#endif
+#ifdef HAS_OCSP
+# include <gnutls/ocsp.h>
+#endif
+
/*
* Custom push and pull callback functions used by GNU TLS to read and write
* to the socket. These functions are simple wrappers to send() and recv()
snprintf(data->state.buffer,
BUFSIZE,
- "\t %s: %s, %02d %s %4d %02d:%02d:%02d GMT\n",
+ "\t %s: %s, %02d %s %4d %02d:%02d:%02d GMT",
text,
Curl_wkday[tm->tm_wday?tm->tm_wday-1:6],
tm->tm_mday,
long filelen;
void *ptr;
- if(!(f = fopen(file, "r")))
+ if(!(f = fopen(file, "rb")))
return loaded_file;
if(fseek(f, 0, SEEK_END) != 0
|| (filelen = ftell(f)) < 0
if(strerr == NULL)
strerr = gnutls_strerror(rc);
- failf(data, "gnutls_handshake() warning: %s", strerr);
+ infof(data, "gnutls_handshake() warning: %s\n", strerr);
+ continue;
}
else if(rc < 0) {
const char *strerr = NULL;
const char* prioritylist;
const char *err = NULL;
#endif
-#ifdef HAS_ALPN
- int protocols_size = 2;
- gnutls_datum_t protocols[2];
-#endif
if(conn->ssl[sockindex].state == ssl_connection_complete)
/* to make us tolerant against being called more than once for the
rc, data->set.ssl.CAfile);
}
+#ifdef HAS_CAPATH
+ if(data->set.ssl.CApath) {
+ /* set the trusted CA cert directory */
+ rc = gnutls_certificate_set_x509_trust_dir(conn->ssl[sockindex].cred,
+ data->set.ssl.CApath,
+ GNUTLS_X509_FMT_PEM);
+ if(rc < 0) {
+ infof(data, "error reading ca cert file %s (%s)\n",
+ data->set.ssl.CAfile, gnutls_strerror(rc));
+ if(data->set.ssl.verifypeer)
+ return CURLE_SSL_CACERT_BADFILE;
+ }
+ else
+ infof(data, "found %d certificates in %s\n",
+ rc, data->set.ssl.CApath);
+ }
+#endif
+
+#ifdef CURL_CA_FALLBACK
+ /* use system ca certificate store as fallback */
+ if(data->set.ssl.verifypeer &&
+ !(data->set.ssl.CAfile || data->set.ssl.CApath)) {
+ gnutls_certificate_set_x509_system_trust(conn->ssl[sockindex].cred);
+ }
+#endif
+
if(data->set.ssl.CRLfile) {
/* set the CRL list file */
rc = gnutls_certificate_set_x509_crl_file(conn->ssl[sockindex].cred,
#endif
#ifdef HAS_ALPN
- if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
- if(data->set.ssl_enable_alpn) {
- protocols[0].data = NGHTTP2_PROTO_VERSION_ID;
- protocols[0].size = NGHTTP2_PROTO_VERSION_ID_LEN;
- protocols[1].data = ALPN_HTTP_1_1;
- protocols[1].size = ALPN_HTTP_1_1_LENGTH;
- gnutls_alpn_set_protocols(session, protocols, protocols_size, 0);
- infof(data, "ALPN, offering %s, %s\n", NGHTTP2_PROTO_VERSION_ID,
- ALPN_HTTP_1_1);
- connssl->asked_for_h2 = TRUE;
- }
- else {
- infof(data, "SSL, can't negotiate HTTP/2.0 without ALPN\n");
+ if(data->set.ssl_enable_alpn) {
+ int cur = 0;
+ gnutls_datum_t protocols[2];
+
+#ifdef USE_NGHTTP2
+ if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
+ protocols[cur].data = (unsigned char *)NGHTTP2_PROTO_VERSION_ID;
+ protocols[cur].size = NGHTTP2_PROTO_VERSION_ID_LEN;
+ cur++;
+ infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
}
+#endif
+
+ protocols[cur].data = (unsigned char *)ALPN_HTTP_1_1;
+ protocols[cur].size = ALPN_HTTP_1_1_LENGTH;
+ cur++;
+ infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+ gnutls_alpn_set_protocols(session, protocols, cur, 0);
}
#endif
if(data->set.str[STRING_CERT]) {
- if(gnutls_certificate_set_x509_key_file(
- conn->ssl[sockindex].cred,
- data->set.str[STRING_CERT],
- data->set.str[STRING_KEY] ?
- data->set.str[STRING_KEY] : data->set.str[STRING_CERT],
- do_file_type(data->set.str[STRING_CERT_TYPE]) ) !=
- GNUTLS_E_SUCCESS) {
- failf(data, "error reading X.509 key or certificate file");
+ if(data->set.str[STRING_KEY_PASSWD]) {
+#if HAVE_GNUTLS_CERTIFICATE_SET_X509_KEY_FILE2
+ const unsigned int supported_key_encryption_algorithms =
+ GNUTLS_PKCS_USE_PKCS12_3DES | GNUTLS_PKCS_USE_PKCS12_ARCFOUR |
+ GNUTLS_PKCS_USE_PKCS12_RC2_40 | GNUTLS_PKCS_USE_PBES2_3DES |
+ GNUTLS_PKCS_USE_PBES2_AES_128 | GNUTLS_PKCS_USE_PBES2_AES_192 |
+ GNUTLS_PKCS_USE_PBES2_AES_256;
+ rc = gnutls_certificate_set_x509_key_file2(
+ conn->ssl[sockindex].cred,
+ data->set.str[STRING_CERT],
+ data->set.str[STRING_KEY] ?
+ data->set.str[STRING_KEY] : data->set.str[STRING_CERT],
+ do_file_type(data->set.str[STRING_CERT_TYPE]),
+ data->set.str[STRING_KEY_PASSWD],
+ supported_key_encryption_algorithms);
+ if(rc != GNUTLS_E_SUCCESS) {
+ failf(data,
+ "error reading X.509 potentially-encrypted key file: %s",
+ gnutls_strerror(rc));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+#else
+ failf(data, "gnutls lacks support for encrypted key files");
return CURLE_SSL_CONNECT_ERROR;
+#endif
+ }
+ else {
+ rc = gnutls_certificate_set_x509_key_file(
+ conn->ssl[sockindex].cred,
+ data->set.str[STRING_CERT],
+ data->set.str[STRING_KEY] ?
+ data->set.str[STRING_KEY] : data->set.str[STRING_CERT],
+ do_file_type(data->set.str[STRING_CERT_TYPE]) );
+ if(rc != GNUTLS_E_SUCCESS) {
+ failf(data, "error reading X.509 key or certificate file: %s",
+ gnutls_strerror(rc));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
}
}
if(data->set.ssl.authtype == CURL_TLSAUTH_SRP) {
rc = gnutls_credentials_set(session, GNUTLS_CRD_SRP,
conn->ssl[sockindex].srp_client_cred);
- if(rc != GNUTLS_E_SUCCESS)
+ if(rc != GNUTLS_E_SUCCESS) {
failf(data, "gnutls_credentials_set() failed: %s", gnutls_strerror(rc));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
}
else
#endif
+ {
rc = gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
conn->ssl[sockindex].cred);
+ if(rc != GNUTLS_E_SUCCESS) {
+ failf(data, "gnutls_credentials_set() failed: %s", gnutls_strerror(rc));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+ }
/* set the connection handle (file descriptor for the socket) */
gnutls_transport_set_ptr(session,
/* lowat must be set to zero when using custom push and pull functions. */
gnutls_transport_set_lowat(session, 0);
+#ifdef HAS_OCSP
+ if(data->set.ssl.verifystatus) {
+ rc = gnutls_ocsp_status_request_enable_client(session, NULL, 0, NULL);
+ if(rc != GNUTLS_E_SUCCESS) {
+ failf(data, "gnutls_ocsp_status_request_enable_client() failed: %d", rc);
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+ }
+#endif
+
/* This might be a reconnect, so we check for a session ID in the cache
to speed up things */
return CURLE_OK;
}
-static CURLcode pkp_pin_peer_pubkey(gnutls_x509_crt_t cert,
+static CURLcode pkp_pin_peer_pubkey(struct SessionHandle *data,
+ gnutls_x509_crt_t cert,
const char *pinnedpubkey)
{
/* Scratch */
/* End Gyrations */
/* The one good exit point */
- result = Curl_pin_peer_pubkey(pinnedpubkey, buff1, len1);
+ result = Curl_pin_peer_pubkey(data, pinnedpubkey, buff1, len1);
} while(0);
if(NULL != key)
{
unsigned int cert_list_size;
const gnutls_datum_t *chainp;
- unsigned int verify_status;
- gnutls_x509_crt_t x509_cert,x509_issuer;
+ unsigned int verify_status = 0;
+ gnutls_x509_crt_t x509_cert, x509_issuer;
gnutls_datum_t issuerp;
char certbuf[256] = ""; /* big enough? */
size_t size;
#endif
CURLcode result = CURLE_OK;
+ gnutls_protocol_t version = gnutls_protocol_get_version(session);
+
+ /* the name of the cipher suite used, e.g. ECDHE_RSA_AES_256_GCM_SHA384. */
+ ptr = gnutls_cipher_suite_get_name(gnutls_kx_get(session),
+ gnutls_cipher_get(session),
+ gnutls_mac_get(session));
+
+ infof(data, "SSL connection using %s / %s\n",
+ gnutls_protocol_get_name(version), ptr);
+
/* This function will return the peer's raw certificate (chain) as sent by
the peer. These certificates are in raw format (DER encoded for
X.509). In case of a X.509 then a certificate list may be present. The
infof(data, "\t common name: WARNING couldn't obtain\n");
}
+ if(data->set.ssl.certinfo && chainp) {
+ unsigned int i;
+
+ result = Curl_ssl_init_certinfo(data, cert_list_size);
+ if(result)
+ return result;
+
+ for(i = 0; i < cert_list_size; i++) {
+ const char *beg = (const char *) chainp[i].data;
+ const char *end = beg + chainp[i].size;
+
+ result = Curl_extract_certinfo(conn, i, beg, end);
+ if(result)
+ return result;
+ }
+ }
+
if(data->set.ssl.verifypeer) {
/* This function will try to verify the peer's certificate and return its
status (trusted, invalid etc.). The value of status should be one or
else
infof(data, "\t server certificate verification SKIPPED\n");
+#ifdef HAS_OCSP
+ if(data->set.ssl.verifystatus) {
+ if(gnutls_ocsp_status_request_is_checked(session, 0) == 0) {
+ gnutls_datum_t status_request;
+ gnutls_ocsp_resp_t ocsp_resp;
+
+ gnutls_ocsp_cert_status_t status;
+ gnutls_x509_crl_reason_t reason;
+
+ rc = gnutls_ocsp_status_request_get(session, &status_request);
+
+ infof(data, "\t server certificate status verification FAILED\n");
+
+ if(rc == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE) {
+ failf(data, "No OCSP response received");
+ return CURLE_SSL_INVALIDCERTSTATUS;
+ }
+
+ if(rc < 0) {
+ failf(data, "Invalid OCSP response received");
+ return CURLE_SSL_INVALIDCERTSTATUS;
+ }
+
+ gnutls_ocsp_resp_init(&ocsp_resp);
+
+ rc = gnutls_ocsp_resp_import(ocsp_resp, &status_request);
+ if(rc < 0) {
+ failf(data, "Invalid OCSP response received");
+ return CURLE_SSL_INVALIDCERTSTATUS;
+ }
+
+ rc = gnutls_ocsp_resp_get_single(ocsp_resp, 0, NULL, NULL, NULL, NULL,
+ &status, NULL, NULL, NULL, &reason);
+
+ switch(status) {
+ case GNUTLS_OCSP_CERT_GOOD:
+ break;
+
+ case GNUTLS_OCSP_CERT_REVOKED: {
+ const char *crl_reason;
+
+ switch(reason) {
+ default:
+ case GNUTLS_X509_CRLREASON_UNSPECIFIED:
+ crl_reason = "unspecified reason";
+ break;
+
+ case GNUTLS_X509_CRLREASON_KEYCOMPROMISE:
+ crl_reason = "private key compromised";
+ break;
+
+ case GNUTLS_X509_CRLREASON_CACOMPROMISE:
+ crl_reason = "CA compromised";
+ break;
+
+ case GNUTLS_X509_CRLREASON_AFFILIATIONCHANGED:
+ crl_reason = "affiliation has changed";
+ break;
+
+ case GNUTLS_X509_CRLREASON_SUPERSEDED:
+ crl_reason = "certificate superseded";
+ break;
+
+ case GNUTLS_X509_CRLREASON_CESSATIONOFOPERATION:
+ crl_reason = "operation has ceased";
+ break;
+
+ case GNUTLS_X509_CRLREASON_CERTIFICATEHOLD:
+ crl_reason = "certificate is on hold";
+ break;
+
+ case GNUTLS_X509_CRLREASON_REMOVEFROMCRL:
+ crl_reason = "will be removed from delta CRL";
+ break;
+
+ case GNUTLS_X509_CRLREASON_PRIVILEGEWITHDRAWN:
+ crl_reason = "privilege withdrawn";
+ break;
+
+ case GNUTLS_X509_CRLREASON_AACOMPROMISE:
+ crl_reason = "AA compromised";
+ break;
+ }
+
+ failf(data, "Server certificate was revoked: %s", crl_reason);
+ break;
+ }
+
+ default:
+ case GNUTLS_OCSP_CERT_UNKNOWN:
+ failf(data, "Server certificate status is unknown");
+ break;
+ }
+
+ gnutls_ocsp_resp_deinit(ocsp_resp);
+
+ return CURLE_SSL_INVALIDCERTSTATUS;
+ }
+ else
+ infof(data, "\t server certificate status verification OK\n");
+ }
+ else
+ infof(data, "\t server certificate status verification SKIPPED\n");
+#endif
+
/* initialize an X.509 certificate structure. */
gnutls_x509_crt_init(&x509_cert);
gnutls_x509_crt_init(&x509_issuer);
issuerp = load_file(data->set.ssl.issuercert);
gnutls_x509_crt_import(x509_issuer, &issuerp, GNUTLS_X509_FMT_PEM);
- rc = gnutls_x509_crt_check_issuer(x509_cert,x509_issuer);
+ rc = gnutls_x509_crt_check_issuer(x509_cert, x509_issuer);
gnutls_x509_crt_deinit(x509_issuer);
unload_file(issuerp);
if(rc <= 0) {
gnutls_x509_crt_deinit(x509_cert);
return CURLE_SSL_ISSUER_ERROR;
}
- infof(data,"\t server certificate issuer check OK (Issuer Cert: %s)\n",
+ infof(data, "\t server certificate issuer check OK (Issuer Cert: %s)\n",
data->set.ssl.issuercert?data->set.ssl.issuercert:"none");
}
ptr = data->set.str[STRING_SSL_PINNEDPUBLICKEY];
if(ptr) {
- result = pkp_pin_peer_pubkey(x509_cert, ptr);
+ result = pkp_pin_peer_pubkey(data, x509_cert, ptr);
if(result != CURLE_OK) {
failf(data, "SSL: public key does not match pinned public key!");
gnutls_x509_crt_deinit(x509_cert);
/* Show:
- - ciphers used
- subject
- start date
- expire date
/* the *_get_name() says "NULL" if GNUTLS_COMP_NULL is returned */
infof(data, "\t compression: %s\n", ptr);
- /* the name of the cipher used. ie 3DES. */
- ptr = gnutls_cipher_get_name(gnutls_cipher_get(session));
- infof(data, "\t cipher: %s\n", ptr);
-
- /* the MAC algorithms name. ie SHA1 */
- ptr = gnutls_mac_get_name(gnutls_mac_get(session));
- infof(data, "\t MAC: %s\n", ptr);
-
#ifdef HAS_ALPN
if(data->set.ssl_enable_alpn) {
rc = gnutls_alpn_get_selected_protocol(session, &proto);
infof(data, "ALPN, server accepted to use %.*s\n", proto.size,
proto.data);
+#ifdef USE_NGHTTP2
if(proto.size == NGHTTP2_PROTO_VERSION_ID_LEN &&
- memcmp(NGHTTP2_PROTO_VERSION_ID, proto.data,
- NGHTTP2_PROTO_VERSION_ID_LEN) == 0) {
- conn->negnpn = NPN_HTTP2;
+ !memcmp(NGHTTP2_PROTO_VERSION_ID, proto.data,
+ NGHTTP2_PROTO_VERSION_ID_LEN)) {
+ conn->negnpn = CURL_HTTP_VERSION_2;
}
- else if(proto.size == ALPN_HTTP_1_1_LENGTH && memcmp(ALPN_HTTP_1_1,
- proto.data, ALPN_HTTP_1_1_LENGTH) == 0) {
- conn->negnpn = NPN_HTTP1_1;
+ else
+#endif
+ if(proto.size == ALPN_HTTP_1_1_LENGTH &&
+ !memcmp(ALPN_HTTP_1_1, proto.data, ALPN_HTTP_1_1_LENGTH)) {
+ conn->negnpn = CURL_HTTP_VERSION_1_1;
}
}
- else if(connssl->asked_for_h2) {
+ else
infof(data, "ALPN, server did not agree to a protocol\n");
- }
}
#endif
return rc;
}
-void Curl_gtls_close_all(struct SessionHandle *data)
-{
- /* FIX: make the OpenSSL code more generic and use parts of it here */
- (void)data;
-}
-
static void close_one(struct connectdata *conn,
int idx)
{
#endif
}
+void Curl_gtls_sha256sum(const unsigned char *tmp, /* input */
+ size_t tmplen,
+ unsigned char *sha256sum, /* output */
+ size_t sha256len)
+{
+#if defined(USE_GNUTLS_NETTLE)
+ struct sha256_ctx SHA256pw;
+ sha256_init(&SHA256pw);
+ sha256_update(&SHA256pw, (unsigned int)tmplen, tmp);
+ sha256_digest(&SHA256pw, (unsigned int)sha256len, sha256sum);
+#elif defined(USE_GNUTLS)
+ gcry_md_hd_t SHA256pw;
+ gcry_md_open(&SHA256pw, GCRY_MD_SHA256, 0);
+ gcry_md_write(SHA256pw, tmp, tmplen);
+ memcpy(sha256sum, gcry_md_read (SHA256pw, 0), sha256len);
+ gcry_md_close(SHA256pw);
+#endif
+}
+
+bool Curl_gtls_cert_status_request(void)
+{
+#ifdef HAS_OCSP
+ return TRUE;
+#else
+ return FALSE;
+#endif
+}
+
#endif /* USE_GNUTLS */
projects / platform / upstream / curl.git / blobdiff