/*
Bacula® - The Network Backup Solution
- Copyright (C) 2005-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2005-2011 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero 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.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
*
* Author: Landon Fuller <landonf@threerings.net>
*
- * Version $Id$
- *
* This file was contributed to the Bacula project by Landon Fuller
* and Three Rings Design, Inc.
*
#include "bacula.h"
#include <assert.h>
-extern time_t watchdog_time;
#ifdef HAVE_TLS /* Is TLS enabled? */
X509_NAME_oneline(X509_get_issuer_name(cert), issuer, 256);
X509_NAME_oneline(X509_get_subject_name(cert), subject, 256);
- Jmsg5(get_jcr_from_tid(), M_ERROR, 0, _("Error with certificate at depth: %d, issuer = %s,"
- " subject = %s, ERR=%d:%s\n"), depth, issuer,
- subject, err, X509_verify_cert_error_string(err));
+ Jmsg5(NULL, M_ERROR, 0, _("Error with certificate at depth: %d, issuer = %s,"
+ " subject = %s, ERR=%d:%s\n"), depth, issuer,
+ subject, err, X509_verify_cert_error_string(err));
}
ctx->openssl = SSL_CTX_new(TLSv1_method());
if (!ctx->openssl) {
- openssl_post_errors(M_ERROR, _("Error initializing SSL context"));
+ openssl_post_errors(M_FATAL, _("Error initializing SSL context"));
goto err;
}
*/
if (ca_certfile || ca_certdir) {
if (!SSL_CTX_load_verify_locations(ctx->openssl, ca_certfile, ca_certdir)) {
- openssl_post_errors(M_ERROR, _("Error loading certificate verification stores"));
+ openssl_post_errors(M_FATAL, _("Error loading certificate verification stores"));
goto err;
}
} else if (verify_peer) {
/* At least one CA is required for peer verification */
- Jmsg0(get_jcr_from_tid(), M_ERROR, 0, _("Either a certificate file or a directory must be"
+ Jmsg0(NULL, M_ERROR, 0, _("Either a certificate file or a directory must be"
" specified as a verification store\n"));
goto err;
}
*/
if (certfile) {
if (!SSL_CTX_use_certificate_chain_file(ctx->openssl, certfile)) {
- openssl_post_errors(M_ERROR, _("Error loading certificate file"));
+ openssl_post_errors(M_FATAL, _("Error loading certificate file"));
goto err;
}
}
/* Load our private key. */
if (keyfile) {
if (!SSL_CTX_use_PrivateKey_file(ctx->openssl, keyfile, SSL_FILETYPE_PEM)) {
- openssl_post_errors(M_ERROR, _("Error loading private key"));
+ openssl_post_errors(M_FATAL, _("Error loading private key"));
goto err;
}
}
/* Load Diffie-Hellman Parameters. */
if (dhfile) {
if (!(bio = BIO_new_file(dhfile, "r"))) {
- openssl_post_errors(M_ERROR, _("Unable to open DH parameters file"));
+ openssl_post_errors(M_FATAL, _("Unable to open DH parameters file"));
goto err;
}
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
if (!dh) {
- openssl_post_errors(M_ERROR, _("Unable to load DH parameters from specified file"));
+ openssl_post_errors(M_FATAL, _("Unable to load DH parameters from specified file"));
goto err;
}
if (!SSL_CTX_set_tmp_dh(ctx->openssl, dh)) {
- openssl_post_errors(M_ERROR, _("Failed to set TLS Diffie-Hellman parameters"));
+ openssl_post_errors(M_FATAL, _("Failed to set TLS Diffie-Hellman parameters"));
DH_free(dh);
goto err;
}
}
if (SSL_CTX_set_cipher_list(ctx->openssl, TLS_DEFAULT_CIPHERS) != 1) {
- Jmsg0(get_jcr_from_tid(), M_ERROR, 0,
+ Jmsg0(NULL, M_ERROR, 0,
_("Error setting cipher list, no valid ciphers available\n"));
goto err;
}
* Returns: true on success
* false on failure
*/
-bool tls_postconnect_verify_cn(TLS_CONNECTION *tls, alist *verify_list)
+bool tls_postconnect_verify_cn(JCR *jcr, TLS_CONNECTION *tls, alist *verify_list)
{
SSL *ssl = tls->openssl;
X509 *cert;
/* Check if peer provided a certificate */
if (!(cert = SSL_get_peer_certificate(ssl))) {
- Jmsg0(get_jcr_from_tid(), M_ERROR, 0, _("Peer failed to present a TLS certificate\n"));
+ Qmsg0(jcr, M_ERROR, 0, _("Peer failed to present a TLS certificate\n"));
return false;
}
* Returns: true on success
* false on failure
*/
-bool tls_postconnect_verify_host(TLS_CONNECTION *tls, const char *host)
+bool tls_postconnect_verify_host(JCR *jcr, TLS_CONNECTION *tls, const char *host)
{
SSL *ssl = tls->openssl;
X509 *cert;
X509_NAME *subject;
bool auth_success = false;
int extensions;
- char data[256];
int i, j;
+ int cnLastPos = -1;
+ X509_NAME_ENTRY *neCN;
+ ASN1_STRING *asn1CN;
/* Check if peer provided a certificate */
if (!(cert = SSL_get_peer_certificate(ssl))) {
- Jmsg1(get_jcr_from_tid(), M_ERROR, 0,
+ Qmsg1(jcr, M_ERROR, 0,
_("Peer %s failed to present a TLS certificate\n"), host);
return false;
}
extname = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ext)));
if (strcmp(extname, "subjectAltName") == 0) {
+#ifdef HAVE_OPENSSLv1
+ const X509V3_EXT_METHOD *method;
+#else
X509V3_EXT_METHOD *method;
+#endif
STACK_OF(CONF_VALUE) *val;
CONF_VALUE *nval;
void *extstr = NULL;
/* Try verifying against the subject name */
if (!auth_success) {
if ((subject = X509_get_subject_name(cert)) != NULL) {
- if (X509_NAME_get_text_by_NID(subject, NID_commonName, data, sizeof(data)) > 0) {
- /* NULL terminate data */
- data[255] = 0;
- if (strcasecmp(data, host) == 0) {
+ /* Loop through all CNs */
+ for (;;) {
+ cnLastPos = X509_NAME_get_index_by_NID(subject, NID_commonName, cnLastPos);
+ if (cnLastPos == -1) {
+ break;
+ }
+ neCN = X509_NAME_get_entry(subject, cnLastPos);
+ asn1CN = X509_NAME_ENTRY_get_data(neCN);
+ if (strcasecmp((const char*)asn1CN->data, host) == 0) {
auth_success = true;
+ break;
}
}
}
bio = BIO_new(BIO_s_socket());
if (!bio) {
/* Not likely, but never say never */
- openssl_post_errors(M_ERROR, _("Error creating file descriptor-based BIO"));
+ openssl_post_errors(M_FATAL, _("Error creating file descriptor-based BIO"));
return NULL; /* Nothing allocated, nothing to clean up */
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
/* Create the SSL object and attach the socket BIO */
if ((tls->openssl = SSL_new(ctx->openssl)) == NULL) {
/* Not likely, but never say never */
- openssl_post_errors(M_ERROR, _("Error creating new SSL object"));
+ openssl_post_errors(M_FATAL, _("Error creating new SSL object"));
goto err;
}
goto cleanup;
case SSL_ERROR_ZERO_RETURN:
/* TLS connection was cleanly shut down */
- openssl_post_errors(M_ERROR, _("Connect failure"));
+ openssl_post_errors(bsock->get_jcr(), M_FATAL, _("Connect failure"));
stat = false;
goto cleanup;
case SSL_ERROR_WANT_READ:
select(fdmax, NULL, &fdset, NULL, &tv);
break;
default:
- /* Socket Error Occured */
- openssl_post_errors(M_ERROR, _("Connect failure"));
+ /* Socket Error Occurred */
+ openssl_post_errors(bsock->get_jcr(), M_FATAL, _("Connect failure"));
stat = false;
goto cleanup;
}
*/
int err;
+ btimer_t *tid;
+
/* Set socket blocking for shutdown */
bsock->set_blocking();
+ tid = start_bsock_timer(bsock, 60 * 2);
err = SSL_shutdown(bsock->tls->openssl);
+ stop_bsock_timer(tid);
if (err == 0) {
/* Complete shutdown */
+ tid = start_bsock_timer(bsock, 60 * 2);
err = SSL_shutdown(bsock->tls->openssl);
+ stop_bsock_timer(tid);
}
+
switch (SSL_get_error(bsock->tls->openssl, err)) {
case SSL_ERROR_NONE:
break;
case SSL_ERROR_ZERO_RETURN:
/* TLS connection was shut down on us via a TLS protocol-level closure */
- openssl_post_errors(M_ERROR, _("TLS shutdown failure."));
+ openssl_post_errors(bsock->get_jcr(), M_ERROR, _("TLS shutdown failure."));
break;
default:
/* Socket Error Occurred */
- openssl_post_errors(M_ERROR, _("TLS shutdown failure."));
+ openssl_post_errors(bsock->get_jcr(), M_ERROR, _("TLS shutdown failure."));
break;
}
}
}
break;
+ case SSL_ERROR_SYSCALL:
+ if (nwritten == -1) {
+ if (errno == EINTR) {
+ continue;
+ }
+ if (errno == EAGAIN) {
+ bmicrosleep(0, 20000); /* try again in 20 ms */
+ continue;
+ }
+ }
+ openssl_post_errors(bsock->get_jcr(), M_FATAL, _("TLS read/write failure."));
+ goto cleanup;
+
case SSL_ERROR_WANT_READ:
/* If we timeout on a select, this will be unset */
FD_SET((unsigned)bsock->m_fd, &fdset);
/* Fall through wanted */
default:
/* Socket Error Occured */
- openssl_post_errors(M_ERROR, _("TLS read/write failure."));
+ openssl_post_errors(bsock->get_jcr(), M_FATAL, _("TLS read/write failure."));
goto cleanup;
}