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-rw-r--r--camel/camel-tcp-stream-ssl.c1257
1 files changed, 0 insertions, 1257 deletions
diff --git a/camel/camel-tcp-stream-ssl.c b/camel/camel-tcp-stream-ssl.c
deleted file mode 100644
index a818fbc8b4..0000000000
--- a/camel/camel-tcp-stream-ssl.c
+++ /dev/null
@@ -1,1257 +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.
- *
- */
-
-/* NOTE: This is the default implementation of CamelTcpStreamSSL,
- * used when the Mozilla NSS libraries are used. If you configured
- * OpenSSL support instead, then this file won't be compiled and
- * the CamelTcpStreamSSL implementation in camel-tcp-stream-openssl.c
- * will be used instead.
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef HAVE_NSS
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-
-#include <nspr.h>
-#include <prio.h>
-#include <prerror.h>
-#include <prerr.h>
-#include <secerr.h>
-#include <sslerr.h>
-#include "nss.h" /* Don't use <> here or it will include the system nss.h instead */
-#include <ssl.h>
-#include <cert.h>
-#include <certdb.h>
-#include <pk11func.h>
-
-/* this is commented because otherwise we get an error about the
- redefinition of MD5Context...yay */
-/*#include <libedataserver/md5-utils.h>*/
-
-#include "camel-tcp-stream-ssl.h"
-#include "camel-stream-fs.h"
-#include "camel-session.h"
-#include "camel-certdb.h"
-#include "camel-operation.h"
-#include "camel-i18n.h"
-
-/* from md5-utils.h */
-void md5_get_digest (const char *buffer, int buffer_size, unsigned char digest[16]);
-
-#define IO_TIMEOUT (PR_TicksPerSecond() * 4 * 60)
-#define CONNECT_TIMEOUT (PR_TicksPerSecond () * 4 * 60)
-
-static CamelTcpStreamClass *parent_class = NULL;
-
-/* Returns the class for a CamelTcpStreamSSL */
-#define CTSS_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 PRFileDesc *enable_ssl (CamelTcpStreamSSL *ssl, PRFileDesc *fd);
-
-static int stream_connect (CamelTcpStream *stream, struct addrinfo *host);
-static int stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data);
-static int stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data);
-static struct sockaddr *stream_get_local_address (CamelTcpStream *stream, socklen_t *len);
-static struct sockaddr *stream_get_remote_address (CamelTcpStream *stream, socklen_t *len);
-
-struct _CamelTcpStreamSSLPrivate {
- PRFileDesc *sockfd;
-
- struct _CamelSession *session;
- 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;
-}
-
-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);
-}
-
-static void
-camel_tcp_stream_ssl_finalize (CamelObject *object)
-{
- CamelTcpStreamSSL *stream = CAMEL_TCP_STREAM_SSL (object);
-
- if (stream->priv->sockfd != NULL)
- PR_Close (stream->priv->sockfd);
-
- if (stream->priv->session)
- camel_object_unref(stream->priv->session);
-
- 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:
- * @session: active session
- * @expected_host: host that the stream is expected to connect with.
- * @flags: ENABLE_SSL2, ENABLE_SSL3 and/or ENABLE_TLS
- *
- * Since the SSL certificate authenticator may need to prompt the
- * user, a CamelSession 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 (CamelSession *session, const char *expected_host, guint32 flags)
-{
- CamelTcpStreamSSL *stream;
-
- g_assert(CAMEL_IS_SESSION(session));
-
- stream = CAMEL_TCP_STREAM_SSL (camel_object_new (camel_tcp_stream_ssl_get_type ()));
-
- stream->priv->session = session;
- camel_object_ref(session);
- 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:
- * @session: active session
- * @expected_host: host that the stream is expected to connect with.
- * @flags: ENABLE_SSL2, ENABLE_SSL3 and/or ENABLE_TLS
- *
- * Since the SSL certificate authenticator may need to prompt the
- * user, a CamelSession 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 (CamelSession *session, const char *expected_host, guint32 flags)
-{
- CamelTcpStreamSSL *stream;
-
- g_assert(CAMEL_IS_SESSION(session));
-
- stream = CAMEL_TCP_STREAM_SSL (camel_object_new (camel_tcp_stream_ssl_get_type ()));
-
- stream->priv->session = session;
- camel_object_ref(session);
- stream->priv->expected_host = g_strdup (expected_host);
- stream->priv->ssl_mode = FALSE;
- stream->priv->flags = flags;
-
- return CAMEL_STREAM (stream);
-}
-
-
-static void
-set_errno (int code)
-{
- /* FIXME: this should handle more. */
- switch (code) {
- case PR_INVALID_ARGUMENT_ERROR:
- errno = EINVAL;
- break;
- case PR_PENDING_INTERRUPT_ERROR:
- errno = EINTR;
- break;
- case PR_IO_PENDING_ERROR:
- errno = EAGAIN;
- break;
- case PR_WOULD_BLOCK_ERROR:
- errno = EWOULDBLOCK;
- break;
- case PR_IN_PROGRESS_ERROR:
- errno = EINPROGRESS;
- break;
- case PR_ALREADY_INITIATED_ERROR:
- errno = EALREADY;
- break;
- case PR_NETWORK_UNREACHABLE_ERROR:
- errno = EHOSTUNREACH;
- break;
- case PR_CONNECT_REFUSED_ERROR:
- errno = ECONNREFUSED;
- break;
- case PR_CONNECT_TIMEOUT_ERROR:
- case PR_IO_TIMEOUT_ERROR:
- errno = ETIMEDOUT;
- break;
- case PR_NOT_CONNECTED_ERROR:
- errno = ENOTCONN;
- break;
- case PR_CONNECT_RESET_ERROR:
- errno = ECONNRESET;
- break;
- case PR_IO_ERROR:
- default:
- errno = EIO;
- break;
- }
-}
-
-
-/**
- * camel_tcp_stream_ssl_enable_ssl:
- * @ssl: 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 *ssl)
-{
- PRFileDesc *fd;
-
- g_return_val_if_fail (CAMEL_IS_TCP_STREAM_SSL (ssl), -1);
-
- if (ssl->priv->sockfd && !ssl->priv->ssl_mode) {
- if (!(fd = enable_ssl (ssl, NULL))) {
- set_errno (PR_GetError ());
- return -1;
- }
-
- ssl->priv->sockfd = fd;
-
- if (SSL_ResetHandshake (fd, FALSE) == SECFailure) {
- set_errno (PR_GetError ());
- return -1;
- }
-
- if (SSL_ForceHandshake (fd) == -1) {
- set_errno (PR_GetError ());
- return -1;
- }
- }
-
- ssl->priv->ssl_mode = TRUE;
-
- return 0;
-}
-
-
-static ssize_t
-stream_read (CamelStream *stream, char *buffer, size_t n)
-{
- CamelTcpStreamSSL *tcp_stream_ssl = CAMEL_TCP_STREAM_SSL (stream);
- PRFileDesc *cancel_fd;
- ssize_t nread;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_prfd (NULL);
- if (cancel_fd == NULL) {
- do {
- nread = PR_Read (tcp_stream_ssl->priv->sockfd, buffer, n);
- if (nread == -1)
- set_errno (PR_GetError ());
- } while (nread == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
- } else {
- PRSocketOptionData sockopts;
- PRPollDesc pollfds[2];
- gboolean nonblock;
- int error;
-
- /* get O_NONBLOCK options */
- sockopts.option = PR_SockOpt_Nonblocking;
- PR_GetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
- sockopts.option = PR_SockOpt_Nonblocking;
- nonblock = sockopts.value.non_blocking;
- sockopts.value.non_blocking = TRUE;
- PR_SetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
-
- pollfds[0].fd = tcp_stream_ssl->priv->sockfd;
- pollfds[0].in_flags = PR_POLL_READ;
- pollfds[1].fd = cancel_fd;
- pollfds[1].in_flags = PR_POLL_READ;
-
- do {
- PRInt32 res;
-
- pollfds[0].out_flags = 0;
- pollfds[1].out_flags = 0;
- nread = -1;
-
- res = PR_Poll(pollfds, 2, IO_TIMEOUT);
- if (res == -1)
- set_errno(PR_GetError());
- else if (res == 0)
- errno = ETIMEDOUT;
- else if (pollfds[1].out_flags == PR_POLL_READ) {
- errno = EINTR;
- goto failed;
- } else {
- do {
- nread = PR_Read (tcp_stream_ssl->priv->sockfd, buffer, n);
- if (nread == -1)
- set_errno (PR_GetError ());
- } while (nread == -1 && errno == EINTR);
- }
- } while (nread == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
-
- /* restore O_NONBLOCK options */
- failed:
- error = errno;
- sockopts.option = PR_SockOpt_Nonblocking;
- sockopts.value.non_blocking = nonblock;
- PR_SetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
- errno = error;
- }
-
- return nread;
-}
-
-static ssize_t
-stream_write (CamelStream *stream, const char *buffer, size_t n)
-{
- CamelTcpStreamSSL *tcp_stream_ssl = CAMEL_TCP_STREAM_SSL (stream);
- ssize_t w, written = 0;
- PRFileDesc *cancel_fd;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_prfd (NULL);
- if (cancel_fd == NULL) {
- do {
- do {
- w = PR_Write (tcp_stream_ssl->priv->sockfd, buffer + written, n - written);
- if (w == -1)
- set_errno (PR_GetError ());
- } while (w == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
-
- if (w > 0)
- written += w;
- } while (w != -1 && written < n);
- } else {
- PRSocketOptionData sockopts;
- PRPollDesc pollfds[2];
- gboolean nonblock;
- int error;
-
- /* get O_NONBLOCK options */
- sockopts.option = PR_SockOpt_Nonblocking;
- PR_GetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
- sockopts.option = PR_SockOpt_Nonblocking;
- nonblock = sockopts.value.non_blocking;
- sockopts.value.non_blocking = TRUE;
- PR_SetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
-
- pollfds[0].fd = tcp_stream_ssl->priv->sockfd;
- pollfds[0].in_flags = PR_POLL_WRITE;
- pollfds[1].fd = cancel_fd;
- pollfds[1].in_flags = PR_POLL_READ;
-
- do {
- PRInt32 res;
-
- pollfds[0].out_flags = 0;
- pollfds[1].out_flags = 0;
- w = -1;
-
- res = PR_Poll (pollfds, 2, IO_TIMEOUT);
- if (res == -1) {
- set_errno(PR_GetError());
- if (errno == EINTR)
- w = 0;
- } else if (res == 0)
- errno = ETIMEDOUT;
- else if (pollfds[1].out_flags == PR_POLL_READ) {
- errno = EINTR;
- } else {
- do {
- w = PR_Write (tcp_stream_ssl->priv->sockfd, buffer + written, n - written);
- if (w == -1)
- set_errno (PR_GetError ());
- } while (w == -1 && errno == EINTR);
-
- if (w == -1) {
- if (errno == EAGAIN || errno == EWOULDBLOCK)
- w = 0;
- } else
- written += w;
- }
- } while (w != -1 && written < n);
-
- /* restore O_NONBLOCK options */
- error = errno;
- sockopts.option = PR_SockOpt_Nonblocking;
- sockopts.value.non_blocking = nonblock;
- PR_SetSocketOption (tcp_stream_ssl->priv->sockfd, &sockopts);
- errno = error;
- }
-
- if (w == -1)
- return -1;
-
- return written;
-}
-
-static int
-stream_flush (CamelStream *stream)
-{
- /*return PR_Sync (((CamelTcpStreamSSL *)stream)->priv->sockfd);*/
- return 0;
-}
-
-static int
-stream_close (CamelStream *stream)
-{
- if (PR_Close (((CamelTcpStreamSSL *)stream)->priv->sockfd) == PR_FAILURE)
- return -1;
-
- ((CamelTcpStreamSSL *)stream)->priv->sockfd = NULL;
-
- return 0;
-}
-
-#if 0
-/* Since this is default implementation, let NSS handle it. */
-static SECStatus
-ssl_get_client_auth (void *data, PRFileDesc *sockfd,
- struct CERTDistNamesStr *caNames,
- struct CERTCertificateStr **pRetCert,
- struct SECKEYPrivateKeyStr **pRetKey)
-{
- SECStatus status = SECFailure;
- SECKEYPrivateKey *privkey;
- CERTCertificate *cert;
- void *proto_win;
-
- proto_win = SSL_RevealPinArg (sockfd);
-
- if ((char *) data) {
- cert = PK11_FindCertFromNickname ((char *) data, proto_win);
- if (cert) {
- privKey = PK11_FindKeyByAnyCert (cert, proto_win);
- if (privkey) {
- status = SECSuccess;
- } else {
- CERT_DestroyCertificate (cert);
- }
- }
- } else {
- /* no nickname given, automatically find the right cert */
- CERTCertNicknames *names;
- int i;
-
- names = CERT_GetCertNicknames (CERT_GetDefaultCertDB (),
- SEC_CERT_NICKNAMES_USER,
- proto_win);
-
- if (names != NULL) {
- for (i = 0; i < names->numnicknames; i++) {
- cert = PK11_FindCertFromNickname (names->nicknames[i],
- proto_win);
- if (!cert)
- continue;
-
- /* Only check unexpired certs */
- if (CERT_CheckCertValidTimes (cert, PR_Now (), PR_FALSE) != secCertTimeValid) {
- CERT_DestroyCertificate (cert);
- continue;
- }
-
- status = NSS_CmpCertChainWCANames (cert, caNames);
- if (status == SECSuccess) {
- privkey = PK11_FindKeyByAnyCert (cert, proto_win);
- if (privkey)
- break;
-
- status = SECFailure;
- break;
- }
-
- CERT_FreeNicknames (names);
- }
- }
- }
-
- if (status == SECSuccess) {
- *pRetCert = cert;
- *pRetKey = privkey;
- }
-
- return status;
-}
-#endif
-
-#if 0
-/* Since this is the default NSS implementation, no need for us to use this. */
-static SECStatus
-ssl_auth_cert (void *data, PRFileDesc *sockfd, PRBool checksig, PRBool is_server)
-{
- CERTCertificate *cert;
- SECStatus status;
- void *pinarg;
- char *host;
-
- cert = SSL_PeerCertificate (sockfd);
- pinarg = SSL_RevealPinArg (sockfd);
- status = CERT_VerifyCertNow ((CERTCertDBHandle *)data, cert,
- checksig, certUsageSSLClient, pinarg);
-
- if (status != SECSuccess)
- return SECFailure;
-
- /* Certificate is OK. Since this is the client side of an SSL
- * connection, we need to verify that the name field in the cert
- * matches the desired hostname. This is our defense against
- * man-in-the-middle attacks.
- */
-
- /* SSL_RevealURL returns a hostname, not a URL. */
- host = SSL_RevealURL (sockfd);
-
- if (host && *host) {
- status = CERT_VerifyCertName (cert, host);
- } else {
- PR_SetError (SSL_ERROR_BAD_CERT_DOMAIN, 0);
- status = SECFailure;
- }
-
- if (host)
- PR_Free (host);
-
- return secStatus;
-}
-#endif
-
-CamelCert *camel_certdb_nss_cert_get(CamelCertDB *certdb, CERTCertificate *cert);
-CamelCert *camel_certdb_nss_cert_add(CamelCertDB *certdb, CERTCertificate *cert);
-void camel_certdb_nss_cert_set(CamelCertDB *certdb, CamelCert *ccert, CERTCertificate *cert);
-
-static char *
-cert_fingerprint(CERTCertificate *cert)
-{
- unsigned char md5sum[16], fingerprint[50], *f;
- int i;
- const char tohex[16] = "0123456789abcdef";
-
- md5_get_digest (cert->derCert.data, cert->derCert.len, md5sum);
- for (i=0,f = fingerprint; i<16; i++) {
- unsigned int c = md5sum[i];
-
- *f++ = tohex[(c >> 4) & 0xf];
- *f++ = tohex[c & 0xf];
- *f++ = ':';
- }
-
- fingerprint[47] = 0;
-
- return g_strdup(fingerprint);
-}
-
-/* lookup a cert uses fingerprint to index an on-disk file */
-CamelCert *
-camel_certdb_nss_cert_get(CamelCertDB *certdb, CERTCertificate *cert)
-{
- char *fingerprint, *path;
- CamelCert *ccert;
- struct stat st;
- size_t nread;
- ssize_t n;
- int fd;
-
- fingerprint = cert_fingerprint (cert);
- ccert = camel_certdb_get_cert (certdb, fingerprint);
- if (ccert == NULL) {
- g_free (fingerprint);
- return ccert;
- }
-
- if (ccert->rawcert == NULL) {
- path = g_strdup_printf ("%s/.camel_certs/%s", getenv ("HOME"), fingerprint);
- if (stat (path, &st) == -1
- || (fd = open (path, O_RDONLY)) == -1) {
- g_warning ("could not load cert %s: %s", path, strerror (errno));
- g_free (fingerprint);
- g_free (path);
- camel_cert_set_trust (certdb, ccert, CAMEL_CERT_TRUST_UNKNOWN);
- camel_certdb_touch (certdb);
-
- return ccert;
- }
- g_free(path);
-
- ccert->rawcert = g_byte_array_new ();
- g_byte_array_set_size (ccert->rawcert, st.st_size);
-
- nread = 0;
- do {
- do {
- n = read (fd, ccert->rawcert->data + nread, st.st_size - nread);
- } while (n == -1 && errno == EINTR);
-
- if (n > 0)
- nread += n;
- } while (nread < st.st_size && n != -1);
-
- close (fd);
-
- if (nread != st.st_size) {
- g_warning ("cert size read truncated %s: %d != %ld", path, nread, st.st_size);
- g_byte_array_free(ccert->rawcert, TRUE);
- ccert->rawcert = NULL;
- g_free(fingerprint);
- camel_cert_set_trust(certdb, ccert, CAMEL_CERT_TRUST_UNKNOWN);
- camel_certdb_touch(certdb);
-
- return ccert;
- }
- }
-
- g_free(fingerprint);
- if (ccert->rawcert->len != cert->derCert.len
- || memcmp(ccert->rawcert->data, cert->derCert.data, cert->derCert.len) != 0) {
- g_warning("rawcert != derCer");
- camel_cert_set_trust(certdb, ccert, CAMEL_CERT_TRUST_UNKNOWN);
- camel_certdb_touch(certdb);
- }
-
- return ccert;
-}
-
-/* add a cert to the certdb */
-CamelCert *
-camel_certdb_nss_cert_add(CamelCertDB *certdb, CERTCertificate *cert)
-{
- CamelCert *ccert;
- char *fingerprint;
-
- fingerprint = cert_fingerprint(cert);
-
- ccert = camel_certdb_cert_new(certdb);
- camel_cert_set_issuer(certdb, ccert, CERT_NameToAscii(&cert->issuer));
- camel_cert_set_subject(certdb, ccert, CERT_NameToAscii(&cert->subject));
- /* hostname is set in caller */
- /*camel_cert_set_hostname(certdb, ccert, ssl->priv->expected_host);*/
- camel_cert_set_fingerprint(certdb, ccert, fingerprint);
- camel_cert_set_trust(certdb, ccert, CAMEL_CERT_TRUST_UNKNOWN);
- g_free(fingerprint);
-
- camel_certdb_nss_cert_set(certdb, ccert, cert);
-
- camel_certdb_add(certdb, ccert);
-
- return ccert;
-}
-
-/* set the 'raw' cert (& save it) */
-void
-camel_certdb_nss_cert_set(CamelCertDB *certdb, CamelCert *ccert, CERTCertificate *cert)
-{
- char *dir, *path, *fingerprint;
- CamelStream *stream;
- struct stat st;
-
- fingerprint = ccert->fingerprint;
-
- if (ccert->rawcert == NULL)
- ccert->rawcert = g_byte_array_new ();
-
- g_byte_array_set_size (ccert->rawcert, cert->derCert.len);
- memcpy (ccert->rawcert->data, cert->derCert.data, cert->derCert.len);
-
- dir = g_strdup_printf ("%s/.camel_certs", getenv ("HOME"));
- if (stat (dir, &st) == -1 && mkdir (dir, 0700) == -1) {
- g_warning ("Could not create cert directory '%s': %s", dir, strerror (errno));
- g_free (dir);
- return;
- }
-
- path = g_strdup_printf ("%s/%s", dir, fingerprint);
- g_free (dir);
-
- stream = camel_stream_fs_new_with_name (path, O_WRONLY | O_CREAT | O_TRUNC, 0600);
- if (stream != NULL) {
- if (camel_stream_write (stream, ccert->rawcert->data, ccert->rawcert->len) == -1) {
- g_warning ("Could not save cert: %s: %s", path, strerror (errno));
- unlink (path);
- }
- camel_stream_close (stream);
- camel_object_unref (stream);
- } else {
- g_warning ("Could not save cert: %s: %s", path, strerror (errno));
- }
-
- g_free (path);
-}
-
-
-#if 0
-/* used by the mozilla-like code below */
-static char *
-get_nickname(CERTCertificate *cert)
-{
- char *server, *nick = NULL;
- int i;
- PRBool status = PR_TRUE;
-
- server = CERT_GetCommonName(&cert->subject);
- if (server == NULL)
- return NULL;
-
- for (i=1;status == PR_TRUE;i++) {
- if (nick) {
- g_free(nick);
- nick = g_strdup_printf("%s #%d", server, i);
- } else {
- nick = g_strdup(server);
- }
- status = SEC_CertNicknameConflict(server, &cert->derSubject, cert->dbhandle);
- }
-
- return nick;
-}
-#endif
-
-static SECStatus
-ssl_bad_cert (void *data, PRFileDesc *sockfd)
-{
- gboolean accept;
- CamelCertDB *certdb = NULL;
- CamelCert *ccert = NULL;
- char *prompt, *cert_str, *fingerprint;
- CamelTcpStreamSSL *ssl;
- CERTCertificate *cert;
- SECStatus status = SECFailure;
-
- g_return_val_if_fail (data != NULL, SECFailure);
- g_return_val_if_fail (CAMEL_IS_TCP_STREAM_SSL (data), SECFailure);
-
- ssl = data;
-
- cert = SSL_PeerCertificate (sockfd);
- if (cert == NULL)
- return SECFailure;
-
- certdb = camel_certdb_get_default();
- ccert = camel_certdb_nss_cert_get(certdb, cert);
- if (ccert == NULL) {
- ccert = camel_certdb_nss_cert_add(certdb, cert);
- camel_cert_set_hostname(certdb, ccert, ssl->priv->expected_host);
- }
-
- if (ccert->trust == CAMEL_CERT_TRUST_UNKNOWN) {
- status = CERT_VerifyCertNow(cert->dbhandle, cert, TRUE, certUsageSSLClient, NULL);
- fingerprint = cert_fingerprint(cert);
- cert_str = g_strdup_printf (_("Issuer: %s\n"
- "Subject: %s\n"
- "Fingerprint: %s\n"
- "Signature: %s"),
- CERT_NameToAscii (&cert->issuer),
- CERT_NameToAscii (&cert->subject),
- fingerprint, status == SECSuccess?_("GOOD"):_("BAD"));
- g_free(fingerprint);
-
- /* construct our user prompt */
- prompt = g_strdup_printf (_("SSL Certificate check for %s:\n\n%s\n\nDo you wish to accept?"),
- ssl->priv->expected_host, cert_str);
- g_free (cert_str);
-
- /* query the user to find out if we want to accept this certificate */
- accept = camel_session_alert_user (ssl->priv->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE);
- g_free(prompt);
- if (accept) {
- camel_certdb_nss_cert_set(certdb, ccert, cert);
- camel_cert_set_trust(certdb, ccert, CAMEL_CERT_TRUST_FULLY);
- camel_certdb_touch(certdb);
- }
- } else {
- accept = ccert->trust != CAMEL_CERT_TRUST_NEVER;
- }
-
- camel_certdb_cert_unref(certdb, ccert);
- camel_object_unref(certdb);
-
- return accept ? SECSuccess : SECFailure;
-
-#if 0
- int i, error;
- CERTCertTrust trust;
- SECItem *certs[1];
- int go = 1;
- char *host, *nick;
-
- error = PR_GetError();
-
- /* This code is basically what mozilla does - however it doesn't seem to work here
- very reliably :-/ */
- while (go && status != SECSuccess) {
- char *prompt = NULL;
-
- printf("looping, error '%d'\n", error);
-
- switch(error) {
- case SEC_ERROR_UNKNOWN_ISSUER:
- case SEC_ERROR_CA_CERT_INVALID:
- case SEC_ERROR_UNTRUSTED_ISSUER:
- case SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE:
- /* add certificate */
- printf("unknown issuer, adding ... \n");
- prompt = g_strdup_printf(_("Certificate problem: %s\nIssuer: %s"), cert->subjectName, cert->issuerName);
-
- if (camel_session_alert_user(ssl->priv->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE)) {
-
- nick = get_nickname(cert);
- if (NULL == nick) {
- g_free(prompt);
- status = SECFailure;
- break;
- }
-
- printf("adding cert '%s'\n", nick);
-
- if (!cert->trust) {
- cert->trust = (CERTCertTrust*)PORT_ArenaZAlloc(cert->arena, sizeof(CERTCertTrust));
- CERT_DecodeTrustString(cert->trust, "P");
- }
-
- certs[0] = &cert->derCert;
- /*CERT_ImportCerts (cert->dbhandle, certUsageSSLServer, 1, certs, NULL, TRUE, FALSE, nick);*/
- CERT_ImportCerts(cert->dbhandle, certUsageUserCertImport, 1, certs, NULL, TRUE, FALSE, nick);
- g_free(nick);
-
- printf(" cert type %08x\n", cert->nsCertType);
-
- memset((void*)&trust, 0, sizeof(trust));
- if (CERT_GetCertTrust(cert, &trust) != SECSuccess) {
- CERT_DecodeTrustString(&trust, "P");
- }
- trust.sslFlags |= CERTDB_VALID_PEER | CERTDB_TRUSTED;
- if (CERT_ChangeCertTrust(cert->dbhandle, cert, &trust) != SECSuccess) {
- printf("couldn't change cert trust?\n");
- }
-
- /*status = SECSuccess;*/
-#if 1
- /* re-verify? */
- status = CERT_VerifyCertNow(cert->dbhandle, cert, TRUE, certUsageSSLServer, NULL);
- error = PR_GetError();
- printf("re-verify status %d, error %d\n", status, error);
-#endif
-
- printf(" cert type %08x\n", cert->nsCertType);
- } else {
- printf("failed/cancelled\n");
- go = 0;
- }
-
- break;
- case SSL_ERROR_BAD_CERT_DOMAIN:
- printf("bad domain\n");
-
- prompt = g_strdup_printf(_("Bad certificate domain: %s\nIssuer: %s"), cert->subjectName, cert->issuerName);
-
- if (camel_session_alert_user (ssl->priv->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE)) {
- host = SSL_RevealURL(sockfd);
- status = CERT_AddOKDomainName(cert, host);
- printf("add ok domain name : %s\n", status == SECFailure?"fail":"ok");
- error = PR_GetError();
- if (status == SECFailure)
- go = 0;
- } else {
- go = 0;
- }
-
- break;
-
- case SEC_ERROR_EXPIRED_CERTIFICATE:
- printf("expired\n");
-
- prompt = g_strdup_printf(_("Certificate expired: %s\nIssuer: %s"), cert->subjectName, cert->issuerName);
-
- if (camel_session_alert_user(ssl->priv->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE)) {
- cert->timeOK = PR_TRUE;
- status = CERT_VerifyCertNow(cert->dbhandle, cert, TRUE, certUsageSSLClient, NULL);
- error = PR_GetError();
- if (status == SECFailure)
- go = 0;
- } else {
- go = 0;
- }
-
- break;
-
- case SEC_ERROR_CRL_EXPIRED:
- printf("crl expired\n");
-
- prompt = g_strdup_printf(_("Certificate revocation list expired: %s\nIssuer: %s"), cert->subjectName, cert->issuerName);
-
- if (camel_session_alert_user(ssl->priv->session, CAMEL_SESSION_ALERT_WARNING, prompt, TRUE)) {
- host = SSL_RevealURL(sockfd);
- status = CERT_AddOKDomainName(cert, host);
- }
-
- go = 0;
- break;
-
- default:
- printf("generic error\n");
- go = 0;
- break;
- }
-
- g_free(prompt);
- }
-
- CERT_DestroyCertificate(cert);
-
- return status;
-#endif
-}
-
-static PRFileDesc *
-enable_ssl (CamelTcpStreamSSL *ssl, PRFileDesc *fd)
-{
- PRFileDesc *ssl_fd;
-
- ssl_fd = SSL_ImportFD (NULL, fd ? fd : ssl->priv->sockfd);
- if (!ssl_fd)
- return NULL;
-
- SSL_OptionSet (ssl_fd, SSL_SECURITY, PR_TRUE);
- if (ssl->priv->flags & CAMEL_TCP_STREAM_SSL_ENABLE_SSL2)
- SSL_OptionSet (ssl_fd, SSL_ENABLE_SSL2, PR_TRUE);
- else
- SSL_OptionSet (ssl_fd, SSL_ENABLE_SSL2, PR_FALSE);
- if (ssl->priv->flags & CAMEL_TCP_STREAM_SSL_ENABLE_SSL3)
- SSL_OptionSet (ssl_fd, SSL_ENABLE_SSL3, PR_TRUE);
- else
- SSL_OptionSet (ssl_fd, SSL_ENABLE_SSL3, PR_FALSE);
- if (ssl->priv->flags & CAMEL_TCP_STREAM_SSL_ENABLE_TLS)
- SSL_OptionSet (ssl_fd, SSL_ENABLE_TLS, PR_TRUE);
- else
- SSL_OptionSet (ssl_fd, SSL_ENABLE_TLS, PR_FALSE);
-
- SSL_SetURL (ssl_fd, ssl->priv->expected_host);
-
- /*SSL_GetClientAuthDataHook (sslSocket, ssl_get_client_auth, (void *) certNickname);*/
- /*SSL_AuthCertificateHook (ssl_fd, ssl_auth_cert, (void *) CERT_GetDefaultCertDB ());*/
- SSL_BadCertHook (ssl_fd, ssl_bad_cert, ssl);
-
- ssl->priv->ssl_mode = TRUE;
-
- return ssl_fd;
-}
-
-static int
-sockaddr_to_praddr(struct sockaddr *s, int len, PRNetAddr *addr)
-{
- /* We assume the ip addresses are the same size - they have to be anyway.
- We could probably just use memcpy *shrug* */
-
- memset(addr, 0, sizeof(*addr));
-
- if (s->sa_family == AF_INET) {
- struct sockaddr_in *sin = (struct sockaddr_in *)s;
-
- if (len < sizeof(*sin))
- return -1;
-
- addr->inet.family = PR_AF_INET;
- addr->inet.port = sin->sin_port;
- memcpy(&addr->inet.ip, &sin->sin_addr, sizeof(addr->inet.ip));
-
- return 0;
- }
-#ifdef ENABLE_IPv6
- else if (s->sa_family == PR_AF_INET6) {
- struct sockaddr_in6 *sin = (struct sockaddr_in6 *)s;
-
- if (len < sizeof(*sin))
- return -1;
-
- addr->ipv6.family = PR_AF_INET6;
- addr->ipv6.port = sin->sin6_port;
- addr->ipv6.flowinfo = sin->sin6_flowinfo;
- memcpy(&addr->ipv6.ip, &sin->sin6_addr, sizeof(addr->ipv6.ip));
- addr->ipv6.scope_id = sin->sin6_scope_id;
-
- return 0;
- }
-#endif
-
- return -1;
-}
-
-static int
-socket_connect(CamelTcpStream *stream, struct addrinfo *host)
-{
- CamelTcpStreamSSL *ssl = CAMEL_TCP_STREAM_SSL (stream);
- PRNetAddr netaddr;
- PRFileDesc *fd, *cancel_fd;
-
- if (sockaddr_to_praddr(host->ai_addr, host->ai_addrlen, &netaddr) != 0) {
- errno = EINVAL;
- return -1;
- }
-
- fd = PR_OpenTCPSocket(netaddr.raw.family);
- if (fd == NULL) {
- set_errno (PR_GetError ());
- return -1;
- }
-
- if (ssl->priv->ssl_mode) {
- PRFileDesc *ssl_fd;
-
- ssl_fd = enable_ssl (ssl, fd);
- if (ssl_fd == NULL) {
- int errnosave;
-
- set_errno (PR_GetError ());
- errnosave = errno;
- PR_Close (fd);
- errno = errnosave;
-
- return -1;
- }
-
- fd = ssl_fd;
- }
-
- cancel_fd = camel_operation_cancel_prfd(NULL);
-
- if (PR_Connect (fd, &netaddr, cancel_fd?0:CONNECT_TIMEOUT) == PR_FAILURE) {
- int errnosave;
-
- set_errno (PR_GetError ());
- if (errno == EINPROGRESS || (cancel_fd && errno == ETIMEDOUT)) {
- gboolean connected = FALSE;
- PRPollDesc poll[2];
-
- poll[0].fd = fd;
- poll[0].in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;
- poll[1].fd = cancel_fd;
- poll[1].in_flags = PR_POLL_READ;
-
- do {
- poll[0].out_flags = 0;
- poll[1].out_flags = 0;
-
- if (PR_Poll (poll, cancel_fd?2:1, CONNECT_TIMEOUT) == PR_FAILURE) {
- set_errno (PR_GetError ());
- goto exception;
- }
-
- if (poll[1].out_flags == PR_POLL_READ) {
- errno = EINTR;
- goto exception;
- }
-
- if (PR_ConnectContinue(fd, poll[0].out_flags) == PR_FAILURE) {
- set_errno (PR_GetError ());
- if (errno != EINPROGRESS)
- goto exception;
- } else {
- connected = TRUE;
- }
- } while (!connected);
- } else {
- exception:
- errnosave = errno;
- PR_Close (fd);
- ssl->priv->sockfd = NULL;
- errno = errnosave;
-
- return -1;
- }
-
- errno = 0;
- }
-
- ssl->priv->sockfd = fd;
-
- return 0;
-}
-
-static int
-stream_connect(CamelTcpStream *stream, struct addrinfo *host)
-{
- while (host) {
- if (socket_connect(stream, host) == 0)
- return 0;
- host = host->ai_next;
- }
-
- return -1;
-}
-
-static int
-stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data)
-{
- PRSocketOptionData sodata;
-
- memset ((void *) &sodata, 0, sizeof (sodata));
- memcpy ((void *) &sodata, (void *) data, sizeof (CamelSockOptData));
-
- if (PR_GetSocketOption (((CamelTcpStreamSSL *)stream)->priv->sockfd, &sodata) == PR_FAILURE)
- return -1;
-
- memcpy ((void *) data, (void *) &sodata, sizeof (CamelSockOptData));
-
- return 0;
-}
-
-static int
-stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data)
-{
- PRSocketOptionData sodata;
-
- memset ((void *) &sodata, 0, sizeof (sodata));
- memcpy ((void *) &sodata, (void *) data, sizeof (CamelSockOptData));
-
- if (PR_SetSocketOption (((CamelTcpStreamSSL *)stream)->priv->sockfd, &sodata) == PR_FAILURE)
- return -1;
-
- return 0;
-}
-
-static struct sockaddr *
-sockaddr_from_praddr(PRNetAddr *addr, socklen_t *len)
-{
- /* We assume the ip addresses are the same size - they have to be anyway */
-
- if (addr->raw.family == PR_AF_INET) {
- struct sockaddr_in *sin = g_malloc0(sizeof(*sin));
-
- sin->sin_family = AF_INET;
- sin->sin_port = addr->inet.port;
- memcpy(&sin->sin_addr, &addr->inet.ip, sizeof(sin->sin_addr));
- *len = sizeof(*sin);
-
- return (struct sockaddr *)sin;
- }
-#ifdef ENABLE_IPv6
- else if (addr->raw.family == PR_AF_INET6) {
- struct sockaddr_in6 *sin = g_malloc0(sizeof(*sin));
-
- sin->sin6_family = AF_INET6;
- sin->sin6_port = addr->ipv6.port;
- sin->sin6_flowinfo = addr->ipv6.flowinfo;
- memcpy(&sin->sin6_addr, &addr->ipv6.ip, sizeof(sin->sin6_addr));
- sin->sin6_scope_id = addr->ipv6.scope_id;
- *len = sizeof(*sin);
-
- return (struct sockaddr *)sin;
- }
-#endif
-
- return NULL;
-}
-
-static struct sockaddr *
-stream_get_local_address(CamelTcpStream *stream, socklen_t *len)
-{
- PRFileDesc *sockfd = CAMEL_TCP_STREAM_SSL (stream)->priv->sockfd;
- PRNetAddr addr;
-
- if (PR_GetSockName(sockfd, &addr) != PR_SUCCESS)
- return NULL;
-
- return sockaddr_from_praddr(&addr, len);
-}
-
-static struct sockaddr *
-stream_get_remote_address (CamelTcpStream *stream, socklen_t *len)
-{
- PRFileDesc *sockfd = CAMEL_TCP_STREAM_SSL (stream)->priv->sockfd;
- PRNetAddr addr;
-
- if (PR_GetPeerName(sockfd, &addr) != PR_SUCCESS)
- return NULL;
-
- return sockaddr_from_praddr(&addr, len);
-}
-
-#endif /* HAVE_NSS */