/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2001-2007 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
- License as published by the Free Software Foundation and included
- in the file LICENSE.
-
- 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., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
- Bacula® is a registered trademark of John Walker.
- The licensor of Bacula is the Free Software Foundation Europe
- (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
- Switzerland, email:ftf@fsfeurope.org.
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2017 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
*/
/*
*
- * Bacula Director -- authorize.c -- handles authorization of
+ * Bacula Director -- authenticate.c -- handles authorization of
* Storage and File daemons.
*
- * Kern Sibbald, May MMI
+ * Written by: Kern Sibbald, May MMI
*
* This routine runs as a thread and must be thread reentrant.
*
- * Version $Id$
- *
*/
#include "bacula.h"
#include "dird.h"
+static const int dbglvl = 50;
+
extern DIRRES *director;
-/* Commands sent to Storage daemon and File daemon and received
- * from the User Agent */
-static char hello[] = "Hello Director %s calling\n";
+/* Version at end of Hello
+ * prior to 06Aug13 no version
+ * 102 04Jun15 - added jobmedia change
+ * 103 14Feb17 - added comm line compression
+ */
+#define DIR_VERSION 103
+
-/* Response from Storage daemon */
-static char OKhello[] = "3000 OK Hello\n";
-static char FDOKhello[] = "2000 OK Hello\n";
+/* Command sent to SD */
+static char hello[] = "Hello %sDirector %s calling %d\n";
+
+/* Responses from Storage and File daemons */
+static char OKhello[] = "3000 OK Hello";
+static char SDOKnewHello[] = "3000 OK Hello %d";
+static char FDOKhello[] = "2000 OK Hello";
+static char FDOKnewHello[] = "2000 OK Hello %d";
/* Sent to User Agent */
static char Dir_sorry[] = "1999 You are not authorized.\n";
int compatible = true;
bool auth_success = false;
+ if (!sd) {
+ Dmsg0(dbglvl, "Invalid bsock\n");
+ return false;
+ }
+
/*
* Send my name to the Storage daemon then do authentication
*/
bash_spaces(dirname);
/* Timeout Hello after 1 min */
btimer_t *tid = start_bsock_timer(sd, AUTH_TIMEOUT);
- if (!sd->fsend(hello, dirname)) {
+ /* Sent Hello SD: Bacula Director <dirname> calling <version> */
+ if (!sd->fsend(hello, "SD: Bacula ", dirname, DIR_VERSION)) {
stop_bsock_timer(tid);
- Dmsg1(50, _("Error sending Hello to Storage daemon. ERR=%s\n"), bnet_strerror(sd));
- Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to Storage daemon. ERR=%s\n"), bnet_strerror(sd));
+ Dmsg1(dbglvl, _("Error sending Hello to Storage daemon. ERR=%s\n"), sd->bstrerror());
+ Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to Storage daemon. ERR=%s\n"), sd->bstrerror());
return 0;
}
}
}
+ if (store->tls_authenticate) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ }
+
auth_success = cram_md5_respond(sd, store->password, &tls_remote_need, &compatible);
if (auth_success) {
auth_success = cram_md5_challenge(sd, store->password, tls_local_need, compatible);
if (!auth_success) {
- Dmsg1(50, "cram_challenge failed for %s\n", sd->who());
+ Dmsg1(dbglvl, "cram_challenge failed for %s\n", sd->who());
}
} else {
- Dmsg1(50, "cram_respond failed for %s\n", sd->who());
+ Dmsg1(dbglvl, "cram_respond failed for %s\n", sd->who());
}
if (!auth_success) {
stop_bsock_timer(tid);
- Dmsg0(50, _("Director and Storage daemon passwords or names not the same.\n"));
+ Dmsg0(dbglvl, _("Director and Storage daemon passwords or names not the same.\n"));
Jmsg2(jcr, M_FATAL, 0,
_("Director unable to authenticate with Storage daemon at \"%s:%d\". Possible causes:\n"
"Passwords or names not the same or\n"
"Maximum Concurrent Jobs exceeded on the SD or\n"
"SD networking messed up (restart daemon).\n"
- "Please see http://www.bacula.org/rel-manual/faq.html#AuthorizationErrors for help.\n"),
+ "For help, please see: " MANUAL_AUTH_URL "\n"),
sd->host(), sd->port());
return 0;
}
sd->host(), sd->port());
return 0;
}
+ if (store->tls_authenticate) { /* authentication only? */
+ sd->free_tls(); /* yes, stop tls */
+ }
}
Dmsg1(116, ">stored: %s", sd->msg);
}
Dmsg1(110, "<stored: %s", sd->msg);
stop_bsock_timer(tid);
- if (strncmp(sd->msg, OKhello, sizeof(OKhello)) != 0) {
- Dmsg0(50, _("Storage daemon rejected Hello command\n"));
+ jcr->SDVersion = 0;
+ if (sscanf(sd->msg, SDOKnewHello, &jcr->SDVersion) != 1 &&
+ strncmp(sd->msg, OKhello, sizeof(OKhello)) != 0) {
+ Dmsg0(dbglvl, _("Storage daemon rejected Hello command\n"));
Jmsg2(jcr, M_FATAL, 0, _("Storage daemon at \"%s:%d\" rejected Hello command\n"),
sd->host(), sd->port());
return 0;
}
+ /* For newer SD turn on comm line compression */
+ if (jcr->SDVersion >= 1 && director->comm_compression) {
+ sd->set_compress();
+ } else {
+ sd->clear_compress();
+ Dmsg0(050, "*** No Dir compression to SD\n");
+ }
+ if (jcr->SDVersion < 2) {
+ Jmsg2(jcr, M_FATAL, 0, _("Older Storage daemon at \"%s:%d\" incompatible with this Director.\n"),
+ sd->host(), sd->port());
+ return 0;
+ }
return 1;
}
/*
* Send my name to the File daemon then do authentication
*/
- bstrncpy(dirname, director->hdr.name, sizeof(dirname));
+ bstrncpy(dirname, director->name(), sizeof(dirname));
bash_spaces(dirname);
/* Timeout Hello after 1 min */
btimer_t *tid = start_bsock_timer(fd, AUTH_TIMEOUT);
- if (!fd->fsend(hello, dirname)) {
+ if (!fd->fsend(hello, "", dirname, DIR_VERSION)) {
stop_bsock_timer(tid);
- Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon at \"%s:%d\". ERR=%s\n"),
+ Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon at \"%s:%d\". ERR=%s\n"),
+ fd->host(), fd->port(), fd->bstrerror());
+ Dmsg3(50, _("Error sending Hello to File daemon at \"%s:%d\". ERR=%s\n"),
fd->host(), fd->port(), fd->bstrerror());
return 0;
}
- Dmsg1(50, "Sent: %s", fd->msg);
+ Dmsg1(dbglvl, "Sent: %s", fd->msg);
/* TLS Requirement */
if (client->tls_enable) {
}
}
+ if (client->tls_authenticate) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ }
+
auth_success = cram_md5_respond(fd, client->password, &tls_remote_need, &compatible);
if (auth_success) {
auth_success = cram_md5_challenge(fd, client->password, tls_local_need, compatible);
if (!auth_success) {
- Dmsg1(50, "cram_auth failed for %s\n", fd->who());
+ Dmsg1(dbglvl, "cram_auth failed for %s\n", fd->who());
}
} else {
- Dmsg1(50, "cram_get_auth failed for %s\n", fd->who());
+ Dmsg1(dbglvl, "cram_get_auth failed for %s\n", fd->who());
}
if (!auth_success) {
stop_bsock_timer(tid);
- Dmsg0(50, _("Director and File daemon passwords or names not the same.\n"));
+ Dmsg0(dbglvl, _("Director and File daemon passwords or names not the same.\n"));
Jmsg(jcr, M_FATAL, 0,
_("Unable to authenticate with File daemon at \"%s:%d\". Possible causes:\n"
"Passwords or names not the same or\n"
"Maximum Concurrent Jobs exceeded on the FD or\n"
"FD networking messed up (restart daemon).\n"
- "Please see http://www.bacula.org/rel-manual/faq.html#AuthorizationErrors for help.\n"),
+ "For help, please see: " MANUAL_AUTH_URL "\n"),
fd->host(), fd->port());
return 0;
}
if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
/* Engage TLS! Full Speed Ahead! */
if (!bnet_tls_client(client->tls_ctx, fd, client->tls_allowed_cns)) {
-
stop_bsock_timer(tid);
Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with FD at \"%s:%d\".\n"),
fd->host(), fd->port());
return 0;
}
+ if (client->tls_authenticate) { /* tls authentication only? */
+ fd->free_tls(); /* yes, shutdown tls */
+ }
}
Dmsg1(116, ">filed: %s", fd->msg);
if (fd->recv() <= 0) {
stop_bsock_timer(tid);
- Dmsg1(50, _("Bad response from File daemon to Hello command: ERR=%s\n"),
- bnet_strerror(fd));
+ Dmsg1(dbglvl, _("Bad response from File daemon to Hello command: ERR=%s\n"),
+ fd->bstrerror());
Jmsg(jcr, M_FATAL, 0, _("Bad response from File daemon at \"%s:%d\" to Hello command: ERR=%s\n"),
fd->host(), fd->port(), fd->bstrerror());
return 0;
}
- Dmsg1(110, "<stored: %s", fd->msg);
+ Dmsg1(110, "<filed: %s", fd->msg);
stop_bsock_timer(tid);
- if (strncmp(fd->msg, FDOKhello, sizeof(FDOKhello)) != 0) {
- Dmsg0(50, _("File daemon rejected Hello command\n"));
+ jcr->FDVersion = 0;
+ if (strncmp(fd->msg, FDOKhello, sizeof(FDOKhello)) != 0 &&
+ sscanf(fd->msg, FDOKnewHello, &jcr->FDVersion) != 1) {
+ Dmsg0(dbglvl, _("File daemon rejected Hello command\n"));
Jmsg(jcr, M_FATAL, 0, _("File daemon at \"%s:%d\" rejected Hello command\n"),
fd->host(), fd->port());
return 0;
}
+ /* For newer FD turn on comm line compression */
+ if (jcr->FDVersion >= 9 && director->comm_compression) {
+ fd->set_compress();
+ } else {
+ fd->clear_compress();
+ Dmsg0(050, "*** No Dir compression to FD\n");
+ }
return 1;
}
char name[MAX_NAME_LENGTH];
int tls_local_need = BNET_TLS_NONE;
int tls_remote_need = BNET_TLS_NONE;
+ bool tls_authenticate;
int compatible = true;
CONRES *cons = NULL;
BSOCK *ua = uac->UA_sock;
bool auth_success = false;
TLS_CONTEXT *tls_ctx = NULL;
alist *verify_list = NULL;
-
+ int ua_version = 0;
+
if (ua->msglen < 16 || ua->msglen >= MAX_NAME_LENGTH + 15) {
Emsg4(M_ERROR, 0, _("UA Hello from %s:%s:%d is invalid. Len=%d\n"), ua->who(),
ua->host(), ua->port(), ua->msglen);
return 0;
}
- if (sscanf(ua->msg, "Hello %127s calling\n", name) != 1) {
+ if (sscanf(ua->msg, "Hello %127s calling %d", name, &ua_version) != 2 &&
+ sscanf(ua->msg, "Hello %127s calling", name) != 1) {
ua->msg[100] = 0; /* terminate string */
Emsg4(M_ERROR, 0, _("UA Hello from %s:%s:%d is invalid. Got: %s\n"), ua->who(),
ua->host(), ua->port(), ua->msg);
return 0;
}
+ /* Turn on compression for newer consoles */
+ if (ua_version >= 1 && director->comm_compression) {
+ ua->set_compress();
+ } else {
+ Dmsg0(050, "*** No Dir compression to UA\n");
+ }
+
name[sizeof(name)-1] = 0; /* terminate name */
if (strcmp(name, "*UserAgent*") == 0) { /* default console */
/* TLS Requirement */
}
}
+ tls_authenticate = director->tls_authenticate;
+
+ if (tls_authenticate) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ }
+
if (director->tls_verify_peer) {
verify_list = director->tls_allowed_cns;
}
}
}
+ tls_authenticate = cons->tls_authenticate;
+
+ if (tls_authenticate) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ }
+
if (cons->tls_verify_peer) {
verify_list = cons->tls_allowed_cns;
}
}
}
+
/* Verify that the remote peer is willing to meet our TLS requirements */
if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
Emsg0(M_FATAL, 0, _("Authorization problem:"
auth_success = false;
goto auth_done;
}
+ if (tls_authenticate) { /* authentication only? */
+ ua->free_tls(); /* stop tls */
+ }
}
sleep(5);
return 0;
}
- ua->fsend(_("1000 OK: %s Version: %s (%s)\n"), my_name, VERSION, BDATE);
+ ua->fsend(_("1000 OK: %d %s %sVersion: %s (%s)\n"),
+ DIR_VERSION, my_name, "", VERSION, BDATE);
return 1;
}