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-rw-r--r--camel/camel-tcp-stream-openssl.c954
1 files changed, 0 insertions, 954 deletions
diff --git a/camel/camel-tcp-stream-openssl.c b/camel/camel-tcp-stream-openssl.c
deleted file mode 100644
index c7250a84d1..0000000000
--- a/camel/camel-tcp-stream-openssl.c
+++ /dev/null
@@ -1,954 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- *
- * Copyright 2001 Ximian, Inc. (www.ximian.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- *
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef HAVE_OPENSSL
-
-#include "camel-tcp-stream-ssl.h"
-
-#include <openssl/ssl.h>
-#include <openssl/x509.h>
-#include <openssl/err.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include "camel-session.h"
-#include "camel-service.h"
-#include "camel-operation.h"
-#include "camel-certdb.h"
-
-#define d(x)
-
-#define TIMEOUT_USEC (10000)
-
-static CamelTcpStreamClass *parent_class = NULL;
-
-/* Returns the class for a CamelTcpStreamSSL */
-#define CTSR_CLASS(so) CAMEL_TCP_STREAM_SSL_CLASS (CAMEL_OBJECT_GET_CLASS (so))
-
-static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n);
-static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n);
-static int stream_flush (CamelStream *stream);
-static int stream_close (CamelStream *stream);
-
-static int stream_connect (CamelTcpStream *stream, struct hostent *host, int port);
-static int stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data);
-static int stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data);
-static CamelTcpAddress *stream_get_local_address (CamelTcpStream *stream);
-static CamelTcpAddress *stream_get_remote_address (CamelTcpStream *stream);
-
-static SSL *open_ssl_connection (CamelService *service, int sockfd, CamelTcpStreamSSL *openssl);
-
-struct _CamelTcpStreamSSLPrivate {
- int sockfd;
- SSL *ssl;
-
- CamelService *service;
- char *expected_host;
- gboolean ssl_mode;
- guint32 flags;
-};
-
-static void
-camel_tcp_stream_ssl_class_init (CamelTcpStreamSSLClass *camel_tcp_stream_ssl_class)
-{
- CamelTcpStreamClass *camel_tcp_stream_class =
- CAMEL_TCP_STREAM_CLASS (camel_tcp_stream_ssl_class);
- CamelStreamClass *camel_stream_class =
- CAMEL_STREAM_CLASS (camel_tcp_stream_ssl_class);
-
- parent_class = CAMEL_TCP_STREAM_CLASS (camel_type_get_global_classfuncs (camel_tcp_stream_get_type ()));
-
- /* virtual method overload */
- camel_stream_class->read = stream_read;
- camel_stream_class->write = stream_write;
- camel_stream_class->flush = stream_flush;
- camel_stream_class->close = stream_close;
-
- camel_tcp_stream_class->connect = stream_connect;
- camel_tcp_stream_class->getsockopt = stream_getsockopt;
- camel_tcp_stream_class->setsockopt = stream_setsockopt;
- camel_tcp_stream_class->get_local_address = stream_get_local_address;
- camel_tcp_stream_class->get_remote_address = stream_get_remote_address;
-
- /* init OpenSSL stuff */
- SSLeay_add_ssl_algorithms ();
- SSL_load_error_strings ();
-}
-
-static void
-camel_tcp_stream_ssl_init (gpointer object, gpointer klass)
-{
- CamelTcpStreamSSL *stream = CAMEL_TCP_STREAM_SSL (object);
-
- stream->priv = g_new0 (struct _CamelTcpStreamSSLPrivate, 1);
- stream->priv->sockfd = -1;
-}
-
-static void
-camel_tcp_stream_ssl_finalize (CamelObject *object)
-{
- CamelTcpStreamSSL *stream = CAMEL_TCP_STREAM_SSL (object);
-
- if (stream->priv->ssl) {
- SSL_shutdown (stream->priv->ssl);
-
- if (stream->priv->ssl->ctx) {
- SSL_CTX_free (stream->priv->ssl->ctx);
- }
-
- SSL_free (stream->priv->ssl);
- }
-
- if (stream->priv->sockfd != -1)
- close (stream->priv->sockfd);
-
- g_free (stream->priv->expected_host);
-
- g_free (stream->priv);
-}
-
-
-CamelType
-camel_tcp_stream_ssl_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_tcp_stream_get_type (),
- "CamelTcpStreamSSL",
- sizeof (CamelTcpStreamSSL),
- sizeof (CamelTcpStreamSSLClass),
- (CamelObjectClassInitFunc) camel_tcp_stream_ssl_class_init,
- NULL,
- (CamelObjectInitFunc) camel_tcp_stream_ssl_init,
- (CamelObjectFinalizeFunc) camel_tcp_stream_ssl_finalize);
- }
-
- return type;
-}
-
-
-/**
- * camel_tcp_stream_ssl_new:
- * @service: camel service
- * @expected_host: host that the stream is expecting to connect with.
- * @flags: flags
- *
- * Since the SSL certificate authenticator may need to prompt the
- * user, a CamelService is needed. @expected_host is needed as a
- * protection against an MITM attack.
- *
- * Return value: a ssl stream (in ssl mode)
- **/
-CamelStream *
-camel_tcp_stream_ssl_new (CamelService *service, const char *expected_host, guint32 flags)
-{
- CamelTcpStreamSSL *stream;
-
- stream = CAMEL_TCP_STREAM_SSL (camel_object_new (camel_tcp_stream_ssl_get_type ()));
-
- stream->priv->service = service;
- stream->priv->expected_host = g_strdup (expected_host);
- stream->priv->ssl_mode = TRUE;
- stream->priv->flags = flags;
-
- return CAMEL_STREAM (stream);
-}
-
-
-/**
- * camel_tcp_stream_ssl_new_raw:
- * @service: camel service
- * @expected_host: host that the stream is expecting to connect with.
- * @flags: flags
- *
- * Since the SSL certificate authenticator may need to prompt the
- * user, a CamelService is needed. @expected_host is needed as a
- * protection against an MITM attack.
- *
- * Return value: a ssl-capable stream (in non ssl mode)
- **/
-CamelStream *
-camel_tcp_stream_ssl_new_raw (CamelService *service, const char *expected_host, guint32 flags)
-{
- CamelTcpStreamSSL *stream;
-
- stream = CAMEL_TCP_STREAM_SSL (camel_object_new (camel_tcp_stream_ssl_get_type ()));
-
- stream->priv->service = service;
- stream->priv->expected_host = g_strdup (expected_host);
- stream->priv->ssl_mode = FALSE;
- stream->priv->flags = flags;
-
- return CAMEL_STREAM (stream);
-}
-
-
-static int
-ssl_errno (SSL *ssl, int ret)
-{
- switch (SSL_get_error (ssl, ret)) {
- case SSL_ERROR_NONE:
- return 0;
- case SSL_ERROR_ZERO_RETURN:
- /* this one does not map well at all */
- d(printf ("ssl_errno: SSL_ERROR_ZERO_RETURN\n"));
- return EINVAL;
- case SSL_ERROR_WANT_READ: /* non-fatal; retry */
- case SSL_ERROR_WANT_WRITE: /* non-fatal; retry */
- d(printf ("ssl_errno: SSL_ERROR_WANT_[READ,WRITE]\n"));
- return EAGAIN;
- case SSL_ERROR_SYSCALL:
- d(printf ("ssl_errno: SSL_ERROR_SYSCALL\n"));
- return EINTR;
- case SSL_ERROR_SSL:
- d(printf ("ssl_errno: SSL_ERROR_SSL <-- very useful error...riiiiight\n"));
- return EINTR;
- default:
- d(printf ("ssl_errno: default error\n"));
- return EINTR;
- }
-}
-
-
-/**
- * camel_tcp_stream_ssl_enable_ssl:
- * @stream: ssl stream
- *
- * Toggles an ssl-capable stream into ssl mode (if it isn't already).
- *
- * Returns 0 on success or -1 on fail.
- **/
-int
-camel_tcp_stream_ssl_enable_ssl (CamelTcpStreamSSL *stream)
-{
- SSL *ssl;
-
- g_return_val_if_fail (CAMEL_IS_TCP_STREAM_SSL (stream), -1);
-
- if (stream->priv->sockfd != -1 && !stream->priv->ssl_mode) {
- ssl = open_ssl_connection (stream->priv->service, stream->priv->sockfd, stream);
- if (ssl == NULL) {
- stream->priv->sockfd = -1;
- return -1;
- }
-
- stream->priv->ssl = ssl;
- }
-
- stream->priv->ssl_mode = TRUE;
-
- return 0;
-}
-
-
-static ssize_t
-stream_read (CamelStream *stream, char *buffer, size_t n)
-{
- CamelTcpStreamSSL *openssl = CAMEL_TCP_STREAM_SSL (stream);
- SSL *ssl = openssl->priv->ssl;
- ssize_t nread;
- int cancel_fd;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- do {
- if (ssl) {
- nread = SSL_read (ssl, buffer, n);
- if (nread < 0)
- errno = ssl_errno (ssl, nread);
- } else {
- nread = read (openssl->priv->sockfd, buffer, n);
- }
- } while (nread < 0 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
- } else {
- int error, flags, fdmax;
- struct timeval timeout;
- fd_set rdset;
-
- flags = fcntl (openssl->priv->sockfd, F_GETFL);
- fcntl (openssl->priv->sockfd, F_SETFL, flags | O_NONBLOCK);
-
- fdmax = MAX (openssl->priv->sockfd, cancel_fd) + 1;
-
- do {
- FD_ZERO (&rdset);
- FD_SET (openssl->priv->sockfd, &rdset);
- FD_SET (cancel_fd, &rdset);
-
- timeout.tv_sec = 0;
- timeout.tv_usec = TIMEOUT_USEC;
- select (fdmax, &rdset, 0, 0, &timeout);
- if (FD_ISSET (cancel_fd, &rdset)) {
- fcntl (openssl->priv->sockfd, F_SETFL, flags);
- errno = EINTR;
- return -1;
- }
-
- do {
- if (ssl) {
- nread = SSL_read (ssl, buffer, n);
- if (nread < 0)
- errno = ssl_errno (ssl, nread);
- } else {
- nread = read (openssl->priv->sockfd, buffer, n);
- }
- } while (nread < 0 && errno == EINTR);
- } while (nread < 0 && (errno == EAGAIN || errno == EWOULDBLOCK));
-
- error = errno;
- fcntl (openssl->priv->sockfd, F_SETFL, flags);
- errno = error;
- }
-
- return nread;
-}
-
-static ssize_t
-stream_write (CamelStream *stream, const char *buffer, size_t n)
-{
- CamelTcpStreamSSL *openssl = CAMEL_TCP_STREAM_SSL (stream);
- SSL *ssl = openssl->priv->ssl;
- ssize_t w, written = 0;
- int cancel_fd;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- do {
- do {
- if (ssl) {
- w = SSL_write (ssl, buffer + written, n - written);
- if (w < 0)
- errno = ssl_errno (ssl, w);
- } else {
- w = write (openssl->priv->sockfd, buffer + written, n - written);
- }
- } while (w < 0 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
-
- if (w > 0)
- written += w;
- } while (w != -1 && written < n);
- } else {
- int error, flags, fdmax;
- struct timeval timeout;
- fd_set rdset, wrset;
-
- flags = fcntl (openssl->priv->sockfd, F_GETFL);
- fcntl (openssl->priv->sockfd, F_SETFL, flags | O_NONBLOCK);
-
- fdmax = MAX (openssl->priv->sockfd, cancel_fd) + 1;
- do {
- FD_ZERO (&rdset);
- FD_ZERO (&wrset);
- FD_SET (openssl->priv->sockfd, &wrset);
- FD_SET (cancel_fd, &rdset);
-
- timeout.tv_sec = 0;
- timeout.tv_usec = TIMEOUT_USEC;
- select (fdmax, &rdset, &wrset, 0, &timeout);
- if (FD_ISSET (cancel_fd, &rdset)) {
- fcntl (openssl->priv->sockfd, F_SETFL, flags);
- errno = EINTR;
- return -1;
- }
-
- do {
- if (ssl) {
- w = SSL_write (ssl, buffer + written, n - written);
- if (w < 0)
- errno = ssl_errno (ssl, w);
- } else {
- w = write (openssl->priv->sockfd, buffer + written, n - written);
- }
- } while (w < 0 && errno == EINTR);
-
- if (w < 0) {
- if (errno == EAGAIN || errno == EWOULDBLOCK) {
- w = 0;
- } else {
- error = errno;
- fcntl (openssl->priv->sockfd, F_SETFL, flags);
- errno = error;
- return -1;
- }
- } else
- written += w;
- } while (w >= 0 && written < n);
-
- fcntl (openssl->priv->sockfd, F_SETFL, flags);
- }
-
- return written;
-}
-
-static int
-stream_flush (CamelStream *stream)
-{
- return 0;
-}
-
-
-static void
-close_ssl_connection (SSL *ssl)
-{
- if (ssl) {
- SSL_shutdown (ssl);
-
- if (ssl->ctx)
- SSL_CTX_free (ssl->ctx);
-
- SSL_free (ssl);
- }
-}
-
-static int
-stream_close (CamelStream *stream)
-{
- close_ssl_connection (((CamelTcpStreamSSL *)stream)->priv->ssl);
- ((CamelTcpStreamSSL *)stream)->priv->ssl = NULL;
-
- if (close (((CamelTcpStreamSSL *)stream)->priv->sockfd) == -1)
- return -1;
-
- ((CamelTcpStreamSSL *)stream)->priv->sockfd = -1;
- return 0;
-}
-
-/* this is a 'cancellable' connect, cancellable from camel_operation_cancel etc */
-/* returns -1 & errno == EINTR if the connection was cancelled */
-static int
-socket_connect (struct hostent *h, int port)
-{
-#ifdef ENABLE_IPv6
- struct sockaddr_in6 sin6;
-#endif
- struct sockaddr_in sin;
- struct sockaddr *saddr;
- struct timeval tv;
- socklen_t len;
- int cancel_fd;
- int ret, fd;
-
- /* see if we're cancelled yet */
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- /* setup connect, we do it using a nonblocking socket so we can poll it */
-#ifdef ENABLE_IPv6
- if (h->h_addrtype == AF_INET6) {
- sin6.sin6_port = htons (port);
- sin6.sin6_family = h->h_addrtype;
- memcpy (&sin6.sin6_addr, h->h_addr, sizeof (sin6.sin6_addr));
- saddr = (struct sockaddr *) &sin6;
- len = sizeof (sin6);
- } else {
-#endif
- sin.sin_port = htons (port);
- sin.sin_family = h->h_addrtype;
- memcpy (&sin.sin_addr, h->h_addr, sizeof (sin.sin_addr));
- saddr = (struct sockaddr *) &sin;
- len = sizeof (sin);
-#ifdef ENABLE_IPv6
- }
-#endif
-
- fd = socket (h->h_addrtype, SOCK_STREAM, 0);
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- ret = connect (fd, saddr, len);
- if (ret == -1) {
- close (fd);
- return -1;
- }
-
- return fd;
- } else {
- fd_set rdset, wrset;
- int flags, fdmax;
-
- flags = fcntl (fd, F_GETFL);
- fcntl (fd, F_SETFL, flags | O_NONBLOCK);
-
- ret = connect (fd, saddr, len);
- if (ret == 0) {
- fcntl (fd, F_SETFL, flags);
- return fd;
- }
-
- if (errno != EINPROGRESS) {
- close (fd);
- return -1;
- }
-
- FD_ZERO (&rdset);
- FD_ZERO (&wrset);
- FD_SET (fd, &wrset);
- FD_SET (cancel_fd, &rdset);
- fdmax = MAX (fd, cancel_fd) + 1;
- tv.tv_usec = 0;
- tv.tv_sec = 60 * 4;
-
- if (select (fdmax, &rdset, &wrset, 0, &tv) == 0) {
- close (fd);
- errno = ETIMEDOUT;
- return -1;
- }
-
- if (cancel_fd != -1 && FD_ISSET (cancel_fd, &rdset)) {
- close (fd);
- errno = EINTR;
- return -1;
- } else {
- len = sizeof (int);
-
- if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &len) == -1) {
- close (fd);
- return -1;
- }
-
- if (ret != 0) {
- close (fd);
- errno = ret;
- return -1;
- }
- }
-
- fcntl (fd, F_SETFL, flags);
- }
-
- return fd;
-}
-
-static const char *
-x509_strerror (int err)
-{
- switch (err) {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- return _("Unable to get issuer's certificate");
- case X509_V_ERR_UNABLE_TO_GET_CRL:
- return _("Unable to get Certificate Revocation List");
- case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
- return _("Unable to decrypt certificate signature");
- case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
- return _("Unable to decrypt Certificate Revocation List signature");
- case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
- return _("Unable to decode issuer's public key");
- case X509_V_ERR_CERT_SIGNATURE_FAILURE:
- return _("Certificate signature failure");
- case X509_V_ERR_CRL_SIGNATURE_FAILURE:
- return _("Certificate Revocation List signature failure");
- case X509_V_ERR_CERT_NOT_YET_VALID:
- return _("Certificate not yet valid");
- case X509_V_ERR_CERT_HAS_EXPIRED:
- return _("Certificate has expired");
- case X509_V_ERR_CRL_NOT_YET_VALID:
- return _("CRL not yet valid");
- case X509_V_ERR_CRL_HAS_EXPIRED:
- return _("CRL has expired");
- case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
- case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
- case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
- case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
- return _("Error in CRL");
- case X509_V_ERR_OUT_OF_MEM:
- return _("Out of memory");
- case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
- return _("Zero-depth self-signed certificate");
- case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
- return _("Self-signed certificate in chain");
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
- return _("Unable to get issuer's certificate locally");
- case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
- return _("Unable to verify leaf signature");
- case X509_V_ERR_CERT_CHAIN_TOO_LONG:
- return _("Certificate chain too long");
- case X509_V_ERR_CERT_REVOKED:
- return _("Certificate Revoked");
- case X509_V_ERR_INVALID_CA:
- return _("Invalid Certificate Authority (CA)");
- case X509_V_ERR_PATH_LENGTH_EXCEEDED:
- return _("Path length exceeded");
- case X509_V_ERR_INVALID_PURPOSE:
- return _("Invalid purpose");
- case X509_V_ERR_CERT_UNTRUSTED:
- return _("Certificate untrusted");
- case X509_V_ERR_CERT_REJECTED:
- return _("Certificate rejected");
- /* These are 'informational' when looking for issuer cert */
- case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
- return _("Subject/Issuer mismatch");
- case X509_V_ERR_AKID_SKID_MISMATCH:
- return _("AKID/SKID mismatch");
- case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
- return _("AKID/Issuer serial mismatch");
- case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
- return _("Key usage does not support certificate signing");
- /* The application is not happy */
- case X509_V_ERR_APPLICATION_VERIFICATION:
- return _("Error in application verification");
- default:
- return _("Unknown");
- }
-}
-
-static int
-ssl_verify (int ok, X509_STORE_CTX *ctx)
-{
- unsigned char md5sum[16], fingerprint[40], *f;
- CamelTcpStreamSSL *stream;
- CamelService *service;
- CamelCertDB *certdb = NULL;
- CamelCert *ccert = NULL;
- char *prompt, *cert_str;
- int err, md5len, i;
- char buf[257];
- X509 *cert;
- SSL *ssl;
-
- if (ok)
- return TRUE;
-
- ssl = X509_STORE_CTX_get_ex_data (ctx, SSL_get_ex_data_X509_STORE_CTX_idx ());
-
- stream = SSL_CTX_get_app_data (ssl->ctx);
- if (!stream)
- return FALSE;
-
- service = stream->priv->service;
-
- cert = X509_STORE_CTX_get_current_cert (ctx);
- err = X509_STORE_CTX_get_error (ctx);
-
- /* calculate the MD5 hash of the raw certificate */
- md5len = sizeof (md5sum);
- X509_digest (cert, EVP_md5 (), md5sum, &md5len);
- for (i = 0, f = fingerprint; i < 16; i++, f += 3)
- sprintf (f, "%.2x%c", md5sum[i], i != 15 ? ':' : '\0');
-
-#define GET_STRING(name) X509_NAME_oneline (name, buf, 256)
-
- certdb = camel_certdb_get_default ();
- if (certdb) {
- ccert = camel_certdb_get_cert (certdb, fingerprint);
- if (ccert) {
- if (ccert->trust != CAMEL_CERT_TRUST_UNKNOWN) {
- ok = ccert->trust != CAMEL_CERT_TRUST_NEVER;
- camel_certdb_cert_unref (certdb, ccert);
- camel_object_unref (certdb);
-
- return ok;
- }
- } else {
- /* create a new camel-cert */
- ccert = camel_certdb_cert_new (certdb);
- camel_cert_set_issuer (certdb, ccert, GET_STRING (X509_get_issuer_name (cert)));
- camel_cert_set_subject (certdb, ccert, GET_STRING (X509_get_subject_name (cert)));
- camel_cert_set_hostname (certdb, ccert, stream->priv->expected_host);
- camel_cert_set_fingerprint (certdb, ccert, fingerprint);
- camel_cert_set_trust (certdb, ccert, CAMEL_CERT_TRUST_UNKNOWN);
-
- /* Add the certificate to our db */
- camel_certdb_add (certdb, ccert);
- }
- }
-
- cert_str = g_strdup_printf (_("Issuer: %s\n"
- "Subject: %s\n"
- "Fingerprint: %s\n"
- "Signature: %s"),
- GET_STRING (X509_get_issuer_name (cert)),
- GET_STRING (X509_get_subject_name (cert)),
- fingerprint, cert->valid ? _("GOOD") : _("BAD"));
-
- prompt = g_strdup_printf (_("Bad certificate from %s:\n\n%s\n\n%s\n\n"
- "Do you wish to accept anyway?"),
- service->url->host, cert_str, x509_strerror (err));
-
- ok = camel_session_alert_user (service->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE);
- g_free (prompt);
-
- if (ok && ccert) {
- camel_cert_set_trust (certdb, ccert, CAMEL_CERT_TRUST_FULLY);
- camel_certdb_touch (certdb);
- }
-
- if (certdb) {
- camel_certdb_cert_unref (certdb, ccert);
- camel_object_unref (certdb);
- }
-
- return ok;
-}
-
-static SSL *
-open_ssl_connection (CamelService *service, int sockfd, CamelTcpStreamSSL *openssl)
-{
- SSL_CTX *ssl_ctx = NULL;
- SSL *ssl = NULL;
- int n;
-
- /* SSLv23_client_method will negotiate with SSL v2, v3, or TLS v1 */
- ssl_ctx = SSL_CTX_new (SSLv23_client_method ());
- g_return_val_if_fail (ssl_ctx != NULL, NULL);
-
- SSL_CTX_set_verify (ssl_ctx, SSL_VERIFY_PEER, &ssl_verify);
- ssl = SSL_new (ssl_ctx);
- SSL_set_fd (ssl, sockfd);
-
- SSL_CTX_set_app_data (ssl_ctx, openssl);
-
- n = SSL_connect (ssl);
- if (n != 1) {
- int errnosave = ssl_errno (ssl, n);
-
- SSL_shutdown (ssl);
-
- if (ssl->ctx)
- SSL_CTX_free (ssl->ctx);
-
- SSL_free (ssl);
- ssl = NULL;
-
- close (sockfd);
-
- errno = errnosave;
- }
-
- return ssl;
-}
-
-static int
-stream_connect (CamelTcpStream *stream, struct hostent *host, int port)
-{
- CamelTcpStreamSSL *openssl = CAMEL_TCP_STREAM_SSL (stream);
- SSL *ssl = NULL;
- int fd;
-
- g_return_val_if_fail (host != NULL, -1);
-
- fd = socket_connect (host, port);
- if (fd == -1)
- return -1;
-
- if (openssl->priv->ssl_mode) {
- ssl = open_ssl_connection (openssl->priv->service, fd, openssl);
- if (!ssl)
- return -1;
- }
-
- openssl->priv->sockfd = fd;
- openssl->priv->ssl = ssl;
-
- return 0;
-}
-
-
-static int
-get_sockopt_level (const CamelSockOptData *data)
-{
- switch (data->option) {
- case CAMEL_SOCKOPT_MAXSEGMENT:
- case CAMEL_SOCKOPT_NODELAY:
- return IPPROTO_TCP;
- default:
- return SOL_SOCKET;
- }
-}
-
-static int
-get_sockopt_optname (const CamelSockOptData *data)
-{
- switch (data->option) {
- case CAMEL_SOCKOPT_MAXSEGMENT:
- return TCP_MAXSEG;
- case CAMEL_SOCKOPT_NODELAY:
- return TCP_NODELAY;
- case CAMEL_SOCKOPT_BROADCAST:
- return SO_BROADCAST;
- case CAMEL_SOCKOPT_KEEPALIVE:
- return SO_KEEPALIVE;
- case CAMEL_SOCKOPT_LINGER:
- return SO_LINGER;
- case CAMEL_SOCKOPT_RECVBUFFERSIZE:
- return SO_RCVBUF;
- case CAMEL_SOCKOPT_SENDBUFFERSIZE:
- return SO_SNDBUF;
- case CAMEL_SOCKOPT_REUSEADDR:
- return SO_REUSEADDR;
- case CAMEL_SOCKOPT_IPTYPEOFSERVICE:
- return SO_TYPE;
- default:
- return -1;
- }
-}
-
-static int
-stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data)
-{
- int optname, optlen;
-
- if ((optname = get_sockopt_optname (data)) == -1)
- return -1;
-
- if (data->option == CAMEL_SOCKOPT_NONBLOCKING) {
- int flags;
-
- flags = fcntl (((CamelTcpStreamSSL *) stream)->priv->sockfd, F_GETFL);
- if (flags == -1)
- return -1;
-
- data->value.non_blocking = flags & O_NONBLOCK ? TRUE : FALSE;
-
- return 0;
- }
-
- return getsockopt (((CamelTcpStreamSSL *) stream)->priv->sockfd,
- get_sockopt_level (data),
- optname,
- (void *) &data->value,
- &optlen);
-}
-
-static int
-stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data)
-{
- int optname;
-
- if ((optname = get_sockopt_optname (data)) == -1)
- return -1;
-
- if (data->option == CAMEL_SOCKOPT_NONBLOCKING) {
- int flags, set;
-
- flags = fcntl (((CamelTcpStreamSSL *) stream)->priv->sockfd, F_GETFL);
- if (flags == -1)
- return -1;
-
- set = data->value.non_blocking ? O_NONBLOCK : 0;
- flags = (flags & ~O_NONBLOCK) | set;
-
- if (fcntl (((CamelTcpStreamSSL *) stream)->priv->sockfd, F_SETFL, flags) == -1)
- return -1;
-
- return 0;
- }
-
- return setsockopt (((CamelTcpStreamSSL *) stream)->priv->sockfd,
- get_sockopt_level (data),
- optname,
- (void *) &data->value,
- sizeof (data->value));
-}
-
-#ifdef ENABLE_IPv6
-#define MIN_SOCKADDR_BUFLEN (sizeof (struct sockaddr_in6))
-#else
-#define MIN_SOCKADDR_BUFLEN (sizeof (struct sockaddr_in))
-#endif
-
-static CamelTcpAddress *
-stream_get_local_address (CamelTcpStream *stream)
-{
- unsigned char buf[MIN_SOCKADDR_BUFLEN];
-#ifdef ENABLE_IPv6
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) buf;
-#endif
- struct sockaddr_in *sin = (struct sockaddr_in *) buf;
- struct sockaddr *saddr = (struct sockaddr *) buf;
- gpointer address;
- socklen_t len;
- int family;
-
- len = MIN_SOCKADDR_BUFLEN;
-
- if (getsockname (CAMEL_TCP_STREAM_SSL (stream)->priv->sockfd, saddr, &len) == -1)
- return NULL;
-
- if (saddr->sa_family == AF_INET) {
- family = CAMEL_TCP_ADDRESS_IPv4;
- address = &sin->sin_addr;
-#ifdef ENABLE_IPv6
- } else if (saddr->sa_family == AF_INET6) {
- family = CAMEL_TCP_ADDRESS_IPv6;
- address = &sin6->sin6_addr;
-#endif
- } else
- return NULL;
-
- return camel_tcp_address_new (family, sin->sin_port, len, address);
-}
-
-static CamelTcpAddress *
-stream_get_remote_address (CamelTcpStream *stream)
-{
- unsigned char buf[MIN_SOCKADDR_BUFLEN];
-#ifdef ENABLE_IPv6
- struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) buf;
-#endif
- struct sockaddr_in *sin = (struct sockaddr_in *) buf;
- struct sockaddr *saddr = (struct sockaddr *) buf;
- gpointer address;
- socklen_t len;
- int family;
-
- len = MIN_SOCKADDR_BUFLEN;
-
- if (getpeername (CAMEL_TCP_STREAM_SSL (stream)->priv->sockfd, saddr, &len) == -1)
- return NULL;
-
- if (saddr->sa_family == AF_INET) {
- family = CAMEL_TCP_ADDRESS_IPv4;
- address = &sin->sin_addr;
-#ifdef ENABLE_IPv6
- } else if (saddr->sa_family == AF_INET6) {
- family = CAMEL_TCP_ADDRESS_IPv6;
- address = &sin6->sin6_addr;
-#endif
- } else
- return NULL;
-
- return camel_tcp_address_new (family, sin->sin_port, len, address);
-}
-
-#endif /* HAVE_OPENSSL */