/*
- * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto
- * This file Copyright (C) 2002-2005 Colin Leroy <colin@colino.net>
+ * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2011 Colin Leroy <colin@colino.net>
+ * and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#if USE_OPENSSL
-
-#include <openssl/ssl.h>
+#ifdef USE_GNUTLS
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#include <gnutls/pkcs12.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <stdio.h>
#include <glib.h>
#include <glib/gi18n.h>
-
+#ifdef G_OS_WIN32
+# include <winsock2.h>
+#else
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <netdb.h>
+#endif /* G_OS_WIN32 */
#include "ssl_certificate.h"
#include "utils.h"
#include "log.h"
#include "socket.h"
#include "hooks.h"
+#include "defs.h"
static GHashTable *warned_expired = NULL;
-static SSLCertificate *ssl_certificate_new_lookup(X509 *x509_cert, gchar *host, gushort port, gboolean lookup);
-
-/* from Courier */
-time_t asn1toTime(ASN1_TIME *asn1Time)
-{
- struct tm tm;
- int offset;
-
- if (asn1Time == NULL || asn1Time->length < 13)
- return 0;
-
- memset(&tm, 0, sizeof(tm));
-
-#define N2(n) ((asn1Time->data[n]-'0')*10 + asn1Time->data[(n)+1]-'0')
-
-#define CPY(f,n) (tm.f=N2(n))
-
- CPY(tm_year,0);
-
- if(tm.tm_year < 50)
- tm.tm_year += 100; /* Sux */
-
- CPY(tm_mon, 2);
- --tm.tm_mon;
- CPY(tm_mday, 4);
- CPY(tm_hour, 6);
- CPY(tm_min, 8);
- CPY(tm_sec, 10);
-
- offset=0;
-
- if (asn1Time->data[12] != 'Z')
- {
- if (asn1Time->length < 17)
- return 0;
-
- offset=N2(13)*3600+N2(15)*60;
-
- if (asn1Time->data[12] == '-')
- offset= -offset;
- }
-
-#undef N2
-#undef CPY
+gboolean prefs_common_unsafe_ssl_certs(void);
- return mktime(&tm)-offset;
-}
-
-static char * get_fqdn(char *host)
+static gchar *get_certificate_path(const gchar *host, const gchar *port, const gchar *fp)
{
- struct hostent *hp;
-
- if (host == NULL || strlen(host) == 0)
- return g_strdup("");
-
- hp = my_gethostbyname(host);
- if (hp == NULL)
- return g_strdup(host); /*caller should free*/
+ if (fp != NULL && prefs_common_unsafe_ssl_certs())
+ return g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+ "certs", G_DIR_SEPARATOR_S,
+ host, ".", port, ".", fp, ".cert", NULL);
else
- return g_strdup(hp->h_name);
+ return g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+ "certs", G_DIR_SEPARATOR_S,
+ host, ".", port, ".cert", NULL);
}
char * readable_fingerprint(unsigned char *src, int len)
return ret;
}
-SSLCertificate *ssl_certificate_new(X509 *x509_cert, gchar *host, gushort port)
+#if USE_GNUTLS
+static gnutls_x509_crt x509_crt_copy(gnutls_x509_crt src)
{
- return ssl_certificate_new_lookup(x509_cert, host, port, TRUE);
+ int ret;
+ size_t size;
+ gnutls_datum tmp;
+ gnutls_x509_crt dest;
+
+ if (gnutls_x509_crt_init(&dest) != 0) {
+ g_warning("couldn't gnutls_x509_crt_init\n");
+ return NULL;
+ }
+
+ if (gnutls_x509_crt_export(src, GNUTLS_X509_FMT_DER, NULL, &size)
+ != GNUTLS_E_SHORT_MEMORY_BUFFER) {
+ g_warning("couldn't gnutls_x509_crt_export to get size\n");
+ gnutls_x509_crt_deinit(dest);
+ return NULL;
+ }
+
+ tmp.data = malloc(size);
+ memset(tmp.data, 0, size);
+ ret = gnutls_x509_crt_export(src, GNUTLS_X509_FMT_DER, tmp.data, &size);
+ if (ret == 0) {
+ tmp.size = size;
+ ret = gnutls_x509_crt_import(dest, &tmp, GNUTLS_X509_FMT_DER);
+ if (ret) {
+ g_warning("couldn't gnutls_x509_crt_import for real (%d %s)\n", ret, gnutls_strerror(ret));
+ gnutls_x509_crt_deinit(dest);
+ dest = NULL;
+ }
+ } else {
+ g_warning("couldn't gnutls_x509_crt_export for real (%d %s)\n", ret, gnutls_strerror(ret));
+ gnutls_x509_crt_deinit(dest);
+ dest = NULL;
+ }
+
+ free(tmp.data);
+ return dest;
}
+#endif
-static SSLCertificate *ssl_certificate_new_lookup(X509 *x509_cert, gchar *host, gushort port, gboolean lookup)
+static SSLCertificate *ssl_certificate_new(gnutls_x509_crt x509_cert, const gchar *host, gushort port)
{
SSLCertificate *cert = g_new0(SSLCertificate, 1);
-
+ size_t n;
+ unsigned char md[128];
+
if (host == NULL || x509_cert == NULL) {
ssl_certificate_destroy(cert);
return NULL;
}
- cert->x509_cert = X509_dup(x509_cert);
- if (lookup)
- cert->host = get_fqdn(host);
- else
- cert->host = g_strdup(host);
+ cert->x509_cert = x509_crt_copy(x509_cert);
+ cert->status = (guint)-1;
+ cert->host = g_strdup(host);
cert->port = port;
+
+ /* fingerprint */
+ n = 128;
+ gnutls_x509_crt_get_fingerprint(cert->x509_cert, GNUTLS_DIG_MD5, md, &n);
+ cert->fingerprint = readable_fingerprint(md, (int)n);
+ return cert;
+}
+
+#ifdef USE_GNUTLS
+static void gnutls_i2d_X509_fp(FILE *fp, gnutls_x509_crt x509_cert)
+{
+ char output[10*1024];
+ size_t cert_size = 10*1024;
+ int r;
+
+ if ((r = gnutls_x509_crt_export(x509_cert, GNUTLS_X509_FMT_DER, output, &cert_size)) < 0) {
+ g_warning("couldn't export cert %s (%zd)\n", gnutls_strerror(r), cert_size);
+ return;
+ }
+ debug_print("writing %zd bytes\n",cert_size);
+ if (fwrite(&output, 1, cert_size, fp) < cert_size) {
+ g_warning("failed to write cert\n");
+ }
+}
+
+size_t gnutls_i2d_X509(gnutls_x509_crt x509_cert, unsigned char **output)
+{
+ size_t cert_size = 10*1024;
+ int r;
+
+ if (output == NULL)
+ return 0;
+
+ *output = malloc(cert_size);
+
+ if ((r = gnutls_x509_crt_export(x509_cert, GNUTLS_X509_FMT_DER, *output, &cert_size)) < 0) {
+ g_warning("couldn't export cert %s (%zd)\n", gnutls_strerror(r), cert_size);
+ free(*output);
+ *output = NULL;
+ return 0;
+ }
+ return cert_size;
+}
+
+size_t gnutls_i2d_PrivateKey(gnutls_x509_privkey pkey, unsigned char **output)
+{
+ size_t key_size = 10*1024;
+ int r;
+
+ if (output == NULL)
+ return 0;
+
+ *output = malloc(key_size);
+
+ if ((r = gnutls_x509_privkey_export(pkey, GNUTLS_X509_FMT_DER, *output, &key_size)) < 0) {
+ g_warning("couldn't export key %s (%zd)\n", gnutls_strerror(r), key_size);
+ free(*output);
+ *output = NULL;
+ return 0;
+ }
+ return key_size;
+}
+
+static gnutls_x509_crt gnutls_d2i_X509_fp(FILE *fp, int format)
+{
+ gnutls_x509_crt cert = NULL;
+ gnutls_datum tmp;
+ struct stat s;
+ int r;
+ if (fstat(fileno(fp), &s) < 0) {
+ perror("fstat");
+ return NULL;
+ }
+ tmp.data = malloc(s.st_size);
+ memset(tmp.data, 0, s.st_size);
+ tmp.size = s.st_size;
+ if (fread (tmp.data, 1, s.st_size, fp) < s.st_size) {
+ perror("fread");
+ free(tmp.data);
+ return NULL;
+ }
+
+ gnutls_x509_crt_init(&cert);
+ if ((r = gnutls_x509_crt_import(cert, &tmp, (format == 0)?GNUTLS_X509_FMT_DER:GNUTLS_X509_FMT_PEM)) < 0) {
+ debug_print("cert import failed: %s\n", gnutls_strerror(r));
+ gnutls_x509_crt_deinit(cert);
+ cert = NULL;
+ }
+ free(tmp.data);
+ debug_print("got cert! %p\n", cert);
return cert;
}
+static gnutls_x509_privkey gnutls_d2i_key_fp(FILE *fp, int format)
+{
+ gnutls_x509_privkey key = NULL;
+ gnutls_datum tmp;
+ struct stat s;
+ int r;
+ if (fstat(fileno(fp), &s) < 0) {
+ perror("fstat");
+ return NULL;
+ }
+ tmp.data = malloc(s.st_size);
+ memset(tmp.data, 0, s.st_size);
+ tmp.size = s.st_size;
+ if (fread (tmp.data, 1, s.st_size, fp) < s.st_size) {
+ perror("fread");
+ free(tmp.data);
+ return NULL;
+ }
+
+ gnutls_x509_privkey_init(&key);
+ if ((r = gnutls_x509_privkey_import(key, &tmp, (format == 0)?GNUTLS_X509_FMT_DER:GNUTLS_X509_FMT_PEM)) < 0) {
+ debug_print("key import failed: %s\n", gnutls_strerror(r));
+ gnutls_x509_privkey_deinit(key);
+ key = NULL;
+ }
+ free(tmp.data);
+ debug_print("got key! %p\n", key);
+ return key;
+}
+
+static gnutls_pkcs12_t gnutls_d2i_PKCS12_fp(FILE *fp, int format)
+{
+ gnutls_pkcs12_t p12 = NULL;
+ gnutls_datum tmp;
+ struct stat s;
+ int r;
+ if (fstat(fileno(fp), &s) < 0) {
+ perror("fstat");
+ return NULL;
+ }
+ tmp.data = malloc(s.st_size);
+ memset(tmp.data, 0, s.st_size);
+ tmp.size = s.st_size;
+ if (fread (tmp.data, 1, s.st_size, fp) < s.st_size) {
+ perror("fread");
+ free(tmp.data);
+ return NULL;
+ }
+
+ gnutls_pkcs12_init(&p12);
+
+ if ((r = gnutls_pkcs12_import(p12, &tmp, (format == 0)?GNUTLS_X509_FMT_DER:GNUTLS_X509_FMT_PEM,0)) < 0) {
+ g_warning("p12 import failed: %s\n", gnutls_strerror(r));
+ gnutls_pkcs12_deinit(p12);
+ p12 = NULL;
+ }
+ free(tmp.data);
+ debug_print("got p12! %p\n", p12);
+ return p12;
+}
+
+#endif
+
static void ssl_certificate_save (SSLCertificate *cert)
{
gchar *file, *port;
g_free(file);
port = g_strdup_printf("%d", cert->port);
- file = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
- "certs", G_DIR_SEPARATOR_S,
- cert->host, ".", port, ".cert", NULL);
+ file = get_certificate_path(cert->host, port, cert->fingerprint);
g_free(port);
fp = g_fopen(file, "wb");
debug_print("Can't save certificate !\n");
return;
}
+#ifdef USE_GNUTLS
+ gnutls_i2d_X509_fp(fp, cert->x509_cert);
+#else
i2d_X509_fp(fp, cert->x509_cert);
+#endif
g_free(file);
fclose(fp);
}
-char* ssl_certificate_to_string(SSLCertificate *cert)
-{
- char *ret, buf[100];
- char *issuer_commonname, *issuer_location, *issuer_organization;
- char *subject_commonname, *subject_location, *subject_organization;
- char *fingerprint, *sig_status;
- unsigned int n;
- unsigned char md[EVP_MAX_MD_SIZE];
-
- /* issuer */
- if (X509_NAME_get_text_by_NID(X509_get_issuer_name(cert->x509_cert),
- NID_commonName, buf, 100) >= 0)
- issuer_commonname = g_strdup(buf);
- else
- issuer_commonname = g_strdup(_("<not in certificate>"));
- if (X509_NAME_get_text_by_NID(X509_get_issuer_name(cert->x509_cert),
- NID_localityName, buf, 100) >= 0) {
- issuer_location = g_strdup(buf);
- if (X509_NAME_get_text_by_NID(X509_get_issuer_name(cert->x509_cert),
- NID_countryName, buf, 100) >= 0)
- issuer_location = g_strconcat(issuer_location,", ",buf, NULL);
- } else if (X509_NAME_get_text_by_NID(X509_get_issuer_name(cert->x509_cert),
- NID_countryName, buf, 100) >= 0)
- issuer_location = g_strdup(buf);
- else
- issuer_location = g_strdup(_("<not in certificate>"));
-
- if (X509_NAME_get_text_by_NID(X509_get_issuer_name(cert->x509_cert),
- NID_organizationName, buf, 100) >= 0)
- issuer_organization = g_strdup(buf);
- else
- issuer_organization = g_strdup(_("<not in certificate>"));
-
- /* subject */
- if (X509_NAME_get_text_by_NID(X509_get_subject_name(cert->x509_cert),
- NID_commonName, buf, 100) >= 0)
- subject_commonname = g_strdup(buf);
- else
- subject_commonname = g_strdup(_("<not in certificate>"));
- if (X509_NAME_get_text_by_NID(X509_get_subject_name(cert->x509_cert),
- NID_localityName, buf, 100) >= 0) {
- subject_location = g_strdup(buf);
- if (X509_NAME_get_text_by_NID(X509_get_subject_name(cert->x509_cert),
- NID_countryName, buf, 100) >= 0)
- subject_location = g_strconcat(subject_location,", ",buf, NULL);
- } else if (X509_NAME_get_text_by_NID(X509_get_subject_name(cert->x509_cert),
- NID_countryName, buf, 100) >= 0)
- subject_location = g_strdup(buf);
- else
- subject_location = g_strdup(_("<not in certificate>"));
-
- if (X509_NAME_get_text_by_NID(X509_get_subject_name(cert->x509_cert),
- NID_organizationName, buf, 100) >= 0)
- subject_organization = g_strdup(buf);
- else
- subject_organization = g_strdup(_("<not in certificate>"));
-
- /* fingerprint */
- X509_digest(cert->x509_cert, EVP_md5(), md, &n);
- fingerprint = readable_fingerprint(md, (int)n);
-
- /* signature */
- sig_status = ssl_certificate_check_signer(cert->x509_cert);
-
- ret = g_strdup_printf(_(" Owner: %s (%s) in %s\n Signed by: %s (%s) in %s\n Fingerprint: %s\n Signature status: %s"),
- subject_commonname, subject_organization, subject_location,
- issuer_commonname, issuer_organization, issuer_location,
- fingerprint,
- (sig_status==NULL ? "correct":sig_status));
-
- g_free(issuer_commonname);
- g_free(issuer_location);
- g_free(issuer_organization);
- g_free(subject_commonname);
- g_free(subject_location);
- g_free(subject_organization);
- g_free(fingerprint);
- g_free(sig_status);
- return ret;
-}
-
void ssl_certificate_destroy(SSLCertificate *cert)
{
if (cert == NULL)
return;
if (cert->x509_cert)
- X509_free(cert->x509_cert);
+ gnutls_x509_crt_deinit(cert->x509_cert);
g_free(cert->host);
+ g_free(cert->fingerprint);
g_free(cert);
cert = NULL;
}
gchar *buf;
gchar *file;
buf = g_strdup_printf("%d", cert->port);
- file = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
- "certs", G_DIR_SEPARATOR_S,
- cert->host, ".", buf, ".cert", NULL);
- g_unlink (file);
- g_free(buf);
+ file = get_certificate_path(cert->host, buf, cert->fingerprint);
+ claws_unlink (file);
g_free(file);
+ g_free(buf);
}
-SSLCertificate *ssl_certificate_find (gchar *host, gushort port)
-{
- return ssl_certificate_find_lookup (host, port, TRUE);
-}
-
-SSLCertificate *ssl_certificate_find_lookup (gchar *host, gushort port, gboolean lookup)
+SSLCertificate *ssl_certificate_find (const gchar *host, gushort port, const gchar *fingerprint)
{
- gchar *file;
+ gchar *file = NULL;
gchar *buf;
- gchar *fqdn_host;
SSLCertificate *cert = NULL;
- X509 *tmp_x509;
- FILE *fp;
-
- if (lookup)
- fqdn_host = get_fqdn(host);
- else
- fqdn_host = g_strdup(host);
+ gnutls_x509_crt tmp_x509;
+ FILE *fp = NULL;
+ gboolean must_rename = FALSE;
buf = g_strdup_printf("%d", port);
- file = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
- "certs", G_DIR_SEPARATOR_S,
- fqdn_host, ".", buf, ".cert", NULL);
+
+ if (fingerprint != NULL) {
+ file = get_certificate_path(host, buf, fingerprint);
+ fp = g_fopen(file, "rb");
+ }
+ if (fp == NULL) {
+ /* see if we have the old one */
+ debug_print("didn't get %s\n", file);
+ g_free(file);
+ file = get_certificate_path(host, buf, NULL);
+ fp = g_fopen(file, "rb");
- g_free(buf);
- fp = g_fopen(file, "rb");
+ if (fp) {
+ debug_print("got %s\n", file);
+ must_rename = (fingerprint != NULL);
+ }
+ } else {
+ debug_print("got %s first try\n", file);
+ }
if (fp == NULL) {
g_free(file);
- g_free(fqdn_host);
+ g_free(buf);
return NULL;
}
-
- if ((tmp_x509 = d2i_X509_fp(fp, 0)) != NULL) {
- cert = ssl_certificate_new_lookup(tmp_x509, fqdn_host, port, lookup);
- X509_free(tmp_x509);
+ if ((tmp_x509 = gnutls_d2i_X509_fp(fp, 0)) != NULL) {
+ cert = ssl_certificate_new(tmp_x509, host, port);
+ debug_print("got cert %p\n", cert);
+ gnutls_x509_crt_deinit(tmp_x509);
}
fclose(fp);
g_free(file);
- g_free(fqdn_host);
+ if (must_rename) {
+ gchar *old = get_certificate_path(host, buf, NULL);
+ gchar *new = get_certificate_path(host, buf, fingerprint);
+ if (strcmp(old, new))
+ move_file(old, new, TRUE);
+ g_free(old);
+ g_free(new);
+ }
+ g_free(buf);
+
return cert;
}
static gboolean ssl_certificate_compare (SSLCertificate *cert_a, SSLCertificate *cert_b)
{
+ char *output_a;
+ char *output_b;
+ size_t cert_size_a = 0, cert_size_b = 0;
+ int r;
+
if (cert_a == NULL || cert_b == NULL)
return FALSE;
- else if (!X509_cmp(cert_a->x509_cert, cert_b->x509_cert))
- return TRUE;
- else
+
+ if ((r = gnutls_x509_crt_export(cert_a->x509_cert, GNUTLS_X509_FMT_DER, NULL, &cert_size_a))
+ != GNUTLS_E_SHORT_MEMORY_BUFFER) {
+ g_warning("couldn't gnutls_x509_crt_export to get size a %s\n", gnutls_strerror(r));
return FALSE;
+ }
+
+ if ((r = gnutls_x509_crt_export(cert_b->x509_cert, GNUTLS_X509_FMT_DER, NULL, &cert_size_b))
+ != GNUTLS_E_SHORT_MEMORY_BUFFER) {
+ g_warning("couldn't gnutls_x509_crt_export to get size b %s\n", gnutls_strerror(r));
+ return FALSE;
+ }
+
+ output_a = g_malloc(cert_size_a);
+ output_b = g_malloc(cert_size_b);
+ if ((r = gnutls_x509_crt_export(cert_a->x509_cert, GNUTLS_X509_FMT_DER, output_a, &cert_size_a)) < 0) {
+ g_warning("couldn't gnutls_x509_crt_export a %s\n", gnutls_strerror(r));
+ g_free(output_a);
+ g_free(output_b);
+ return FALSE;
+ }
+ if ((r = gnutls_x509_crt_export(cert_b->x509_cert, GNUTLS_X509_FMT_DER, output_b, &cert_size_b)) < 0) {
+ g_warning("couldn't gnutls_x509_crt_export b %s\n", gnutls_strerror(r));
+ g_free(output_a);
+ g_free(output_b);
+ return FALSE;
+ }
+ if (cert_size_a != cert_size_b) {
+ g_warning("size differ %zd %zd\n", cert_size_a, cert_size_b);
+ g_free(output_a);
+ g_free(output_b);
+ return FALSE;
+ }
+ if (memcmp(output_a, output_b, cert_size_a)) {
+ g_warning("contents differ\n");
+ g_free(output_a);
+ g_free(output_b);
+ return FALSE;
+ }
+ g_free(output_a);
+ g_free(output_b);
+
+ return TRUE;
}
-char *ssl_certificate_check_signer (X509 *cert)
+static guint check_cert(gnutls_x509_crt cert)
{
- X509_STORE_CTX store_ctx;
- X509_STORE *store;
- char *err_msg = NULL;
+ gnutls_x509_crt *ca_list;
+ unsigned int max = 512;
+ unsigned int flags = 0;
+ gnutls_datum tmp;
+ struct stat s;
+ int r, i;
+ unsigned int status;
+ FILE *fp;
- store = X509_STORE_new();
- if (store == NULL) {
- printf("Can't create X509_STORE\n");
- return NULL;
+ if (claws_ssl_get_cert_file())
+ fp = g_fopen(claws_ssl_get_cert_file(), "r");
+ else
+ return (guint)-1;
+
+ if (fstat(fileno(fp), &s) < 0) {
+ perror("fstat");
+ fclose(fp);
+ return (guint)-1;
}
- if (!X509_STORE_set_default_paths(store)) {
- X509_STORE_free (store);
- return g_strdup(_("Couldn't load X509 default paths"));
+
+ ca_list=(gnutls_x509_crt_t*)malloc(max*sizeof(gnutls_x509_crt_t));
+ tmp.data = malloc(s.st_size);
+ memset(tmp.data, 0, s.st_size);
+ tmp.size = s.st_size;
+ if (fread (tmp.data, 1, s.st_size, fp) < s.st_size) {
+ perror("fread");
+ free(tmp.data);
+ free(ca_list);
+ fclose(fp);
+ return (guint)-1;
}
-
- X509_STORE_CTX_init (&store_ctx, store, cert, NULL);
-
- if(!X509_verify_cert (&store_ctx)) {
- err_msg = g_strdup(X509_verify_cert_error_string(
- X509_STORE_CTX_get_error(&store_ctx)));
- debug_print("Can't check signer: %s\n", err_msg);
- X509_STORE_CTX_cleanup (&store_ctx);
- X509_STORE_free (store);
- return err_msg;
-
+
+ if ((r = gnutls_x509_crt_list_import(ca_list, &max,
+ &tmp, GNUTLS_X509_FMT_PEM, flags)) < 0) {
+ debug_print("cert import failed: %s\n", gnutls_strerror(r));
+ free(tmp.data);
+ free(ca_list);
+ fclose(fp);
+ return (guint)-1;
}
- X509_STORE_CTX_cleanup (&store_ctx);
- X509_STORE_free (store);
+ free(tmp.data);
+ debug_print("got %d certs in ca_list! %p\n", max, &ca_list);
+ r = gnutls_x509_crt_verify(cert, ca_list, max, flags, &status);
+ fclose(fp);
+
+ for (i = 0; i < max; i++)
+ gnutls_x509_crt_deinit(ca_list[i]);
+ free(ca_list);
+
+ if (r < 0)
+ return (guint)-1;
+ else
+ return status;
+
+}
+
+char *ssl_certificate_check_signer (gnutls_x509_crt cert, guint status)
+{
+ if (status == (guint)-1) {
+ status = check_cert(cert);
+ if (status == -1)
+ return g_strdup(_("Uncheckable"));
+ }
+ if (status & GNUTLS_CERT_INVALID) {
+ if (gnutls_x509_crt_check_issuer(cert, cert))
+ return g_strdup(_("Self-signed certificate"));
+ }
+ if (status & GNUTLS_CERT_REVOKED)
+ return g_strdup(_("Revoked certificate"));
+ if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
+ return g_strdup(_("No certificate issuer found"));
+ if (status & GNUTLS_CERT_SIGNER_NOT_CA)
+ return g_strdup(_("Certificate issuer is not a CA"));
+
+
return NULL;
}
-gboolean ssl_certificate_check (X509 *x509_cert, gchar *fqdn, gchar *host, gushort port)
+gboolean ssl_certificate_check (gnutls_x509_crt x509_cert, guint status, const gchar *host, gushort port)
{
SSLCertificate *current_cert = NULL;
SSLCertificate *known_cert;
SSLCertHookData cert_hook_data;
- gchar *fqdn_host = NULL;
-
- if (fqdn)
- fqdn_host = g_strdup(fqdn);
- else if (host)
- fqdn_host = get_fqdn(host);
- else {
- g_warning("no host!\n");
- return FALSE;
- }
-
- current_cert = ssl_certificate_new_lookup(x509_cert, fqdn_host, port, FALSE);
+ gchar *fingerprint;
+ size_t n;
+ unsigned char md[128];
+
+ current_cert = ssl_certificate_new(x509_cert, host, port);
if (current_cert == NULL) {
debug_print("Buggy certificate !\n");
- g_free(fqdn_host);
return FALSE;
}
- known_cert = ssl_certificate_find_lookup (fqdn_host, port, FALSE);
+ current_cert->status = status;
+ /* fingerprint */
+ n = 128;
+ gnutls_x509_crt_get_fingerprint(x509_cert, GNUTLS_DIG_MD5, md, &n);
+ fingerprint = readable_fingerprint(md, n);
- g_free(fqdn_host);
+ known_cert = ssl_certificate_find(host, port, fingerprint);
+
+ g_free(fingerprint);
if (known_cert == NULL) {
cert_hook_data.cert = current_cert;
ssl_certificate_destroy(known_cert);
return TRUE;
}
- } else if (asn1toTime(X509_get_notAfter(current_cert->x509_cert)) < time(NULL)) {
+ } else if (gnutls_x509_crt_get_expiration_time(current_cert->x509_cert) < time(NULL)) {
gchar *tmp = g_strdup_printf("%s:%d", current_cert->host, current_cert->port);
if (warned_expired == NULL)
return TRUE;
}
-#endif /* USE_OPENSSL */
+gnutls_x509_crt ssl_certificate_get_x509_from_pem_file(const gchar *file)
+{
+ gnutls_x509_crt x509 = NULL;
+ if (!file)
+ return NULL;
+
+ if (is_file_exist(file)) {
+ FILE *fp = g_fopen(file, "r");
+ if (fp) {
+ x509 = gnutls_d2i_X509_fp(fp, 1);
+ fclose(fp);
+ return x509;
+ }
+ } else {
+ log_error(LOG_PROTOCOL, _("Cannot open certificate file %s\n"), file);
+ }
+ return NULL;
+}
+
+gnutls_x509_privkey ssl_certificate_get_pkey_from_pem_file(const gchar *file)
+{
+ gnutls_x509_privkey key = NULL;
+ if (!file)
+ return NULL;
+
+ if (is_file_exist(file)) {
+ FILE *fp = g_fopen(file, "r");
+ if (fp) {
+ key = gnutls_d2i_key_fp(fp, 1);
+ fclose(fp);
+ return key;
+ }
+ } else {
+ log_error(LOG_PROTOCOL, _("Cannot open key file %s\n"), file);
+ }
+ return NULL;
+}
+
+/* From GnuTLS lib/gnutls_x509.c */
+static int
+parse_pkcs12 (gnutls_pkcs12_t p12,
+ const char *password,
+ gnutls_x509_privkey * key,
+ gnutls_x509_crt_t * cert)
+{
+ gnutls_pkcs12_bag_t bag = NULL;
+ int index = 0;
+ int ret;
+
+ for (;;)
+ {
+ int elements_in_bag;
+ int i;
+
+ ret = gnutls_pkcs12_bag_init (&bag);
+ if (ret < 0)
+ {
+ bag = NULL;
+ goto done;
+ }
+
+ ret = gnutls_pkcs12_get_bag (p12, index, bag);
+ if (ret == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)
+ break;
+ if (ret < 0)
+ {
+ goto done;
+ }
+
+ ret = gnutls_pkcs12_bag_get_type (bag, 0);
+ if (ret < 0)
+ {
+ goto done;
+ }
+
+ if (ret == GNUTLS_BAG_ENCRYPTED)
+ {
+ ret = gnutls_pkcs12_bag_decrypt (bag, password);
+ if (ret < 0)
+ {
+ goto done;
+ }
+ }
+
+ elements_in_bag = gnutls_pkcs12_bag_get_count (bag);
+ if (elements_in_bag < 0)
+ {
+ goto done;
+ }
+
+ for (i = 0; i < elements_in_bag; i++)
+ {
+ int type;
+ gnutls_datum data;
+
+ type = gnutls_pkcs12_bag_get_type (bag, i);
+ if (type < 0)
+ {
+ goto done;
+ }
+
+ ret = gnutls_pkcs12_bag_get_data (bag, i, &data);
+ if (ret < 0)
+ {
+ goto done;
+ }
+
+ switch (type)
+ {
+ case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY:
+ case GNUTLS_BAG_PKCS8_KEY:
+ ret = gnutls_x509_privkey_init (key);
+ if (ret < 0)
+ {
+ goto done;
+ }
+
+ ret = gnutls_x509_privkey_import_pkcs8
+ (*key, &data, GNUTLS_X509_FMT_DER, password,
+ type == GNUTLS_BAG_PKCS8_KEY ? GNUTLS_PKCS_PLAIN : 0);
+ if (ret < 0)
+ {
+ goto done;
+ }
+ break;
+
+ case GNUTLS_BAG_CERTIFICATE:
+ ret = gnutls_x509_crt_init (cert);
+ if (ret < 0)
+ {
+ goto done;
+ }
+
+ ret =
+ gnutls_x509_crt_import (*cert, &data, GNUTLS_X509_FMT_DER);
+ if (ret < 0)
+ {
+ goto done;
+ }
+ break;
+
+ case GNUTLS_BAG_ENCRYPTED:
+ /* XXX Bother to recurse one level down? Unlikely to
+ use the same password anyway. */
+ case GNUTLS_BAG_EMPTY:
+ default:
+ break;
+ }
+ }
+
+ index++;
+ gnutls_pkcs12_bag_deinit (bag);
+ }
+
+ ret = 0;
+
+done:
+ if (bag)
+ gnutls_pkcs12_bag_deinit (bag);
+
+ return ret;
+}
+void ssl_certificate_get_x509_and_pkey_from_p12_file(const gchar *file, const gchar *password,
+ gnutls_x509_crt *x509, gnutls_x509_privkey *pkey)
+{
+ gnutls_pkcs12_t p12 = NULL;
+
+ int r;
+
+ *x509 = NULL;
+ *pkey = NULL;
+ if (!file)
+ return;
+
+ if (is_file_exist(file)) {
+ FILE *fp = g_fopen(file, "r");
+ if (fp) {
+ p12 = gnutls_d2i_PKCS12_fp(fp, 0);
+ fclose(fp);
+ }
+ } else {
+ log_error(LOG_PROTOCOL, _("Cannot open certificate file %s\n"), file);
+ }
+ if (p12 != NULL) {
+ if ((r = parse_pkcs12(p12, password, pkey, x509)) == 0) {
+ debug_print("got p12\n");
+ } else {
+ log_error(LOG_PROTOCOL, "%s\n", gnutls_strerror(r));
+ }
+ gnutls_pkcs12_deinit(p12);
+ }
+}
+#endif /* USE_GNUTLS */
projects / claws.git / blobdiff