+/*
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2015 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 $Id$
- *
*/
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
- 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 (at your option) any later version.
+#include "bacula.h"
+#include "dird.h"
- 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.
+static const int dbglvl = 50;
- 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.
+extern DIRRES *director;
+/* Version at end of Hello
+ * prior to 06Aug13 no version
+ * 102 04Jun15 - added jobmedia change
*/
+#define DIR_VERSION 102
-#include "bacula.h"
-#include "dird.h"
-extern DIRRES *director;
-extern char my_name[];
+/* Command sent to SD */
+static char hello[] = "Hello %sDirector %s calling %d\n";
-/* Commands sent to Storage daemon and File daemon and received
- * from the User Agent */
-static char hello[] = "Hello Director %s calling\n";
-
-/* Response from Storage daemon */
-static char OKhello[] = "3000 OK Hello\n";
-static char FDOKhello[] = "2000 OK Hello\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[] = N_("1999 You are not authorized.\n");
+static char Dir_sorry[] = "1999 You are not authorized.\n";
/* Forward referenced functions */
/*
* Authenticate Storage daemon connection
*/
-int authenticate_storage_daemon(JCR *jcr)
+bool authenticate_storage_daemon(JCR *jcr, STORE *store)
{
BSOCK *sd = jcr->store_bsock;
char dirname[MAX_NAME_LENGTH];
- int ssl_need = BNET_SSL_NONE;
+ int tls_local_need = BNET_TLS_NONE;
+ int tls_remote_need = BNET_TLS_NONE;
+ 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
*/
bstrncpy(dirname, director->hdr.name, sizeof(dirname));
bash_spaces(dirname);
- if (!bnet_fsend(sd, hello, dirname)) {
- Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to Storage daemon. ERR=%s\n"), bnet_strerror(sd));
+ /* Timeout Hello after 1 min */
+ btimer_t *tid = start_bsock_timer(sd, AUTH_TIMEOUT);
+ /* Sent Hello SD: Bacula Director <dirname> calling <version> */
+ if (!sd->fsend(hello, "SD: Bacula ", dirname, DIR_VERSION)) {
+ stop_bsock_timer(tid);
+ 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 (!cram_md5_get_auth(sd, jcr->store->password, ssl_need) ||
- !cram_md5_auth(sd, jcr->store->password, ssl_need)) {
- Jmsg0(jcr, M_FATAL, 0, _("Director and Storage daemon passwords or names not the same.\n"));
+
+ /* TLS Requirement */
+ if (store->tls_enable) {
+ if (store->tls_require) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ } else {
+ tls_local_need = BNET_TLS_OK;
+ }
+ }
+
+ 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(dbglvl, "cram_challenge failed for %s\n", sd->who());
+ }
+ } else {
+ Dmsg1(dbglvl, "cram_respond failed for %s\n", sd->who());
+ }
+
+ if (!auth_success) {
+ stop_bsock_timer(tid);
+ 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"
+ "For help, please see: " MANUAL_AUTH_URL "\n"),
+ sd->host(), sd->port());
+ return 0;
+ }
+
+ /* Verify that the remote host 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) {
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server did not advertise required TLS support.\n"));
return 0;
}
+
+ /* Verify that we are willing to meet the remote host's requirements */
+ if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("Authorization problem: Remote server requires TLS.\n"));
+ return 0;
+ }
+
+ /* Is TLS Enabled? */
+ if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
+ /* Engage TLS! Full Speed Ahead! */
+ if (!bnet_tls_client(store->tls_ctx, sd, NULL)) {
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("TLS negotiation failed with SD at \"%s:%d\"\n"),
+ sd->host(), sd->port());
+ return 0;
+ }
+ if (store->tls_authenticate) { /* authentication only? */
+ sd->free_tls(); /* yes, stop tls */
+ }
+ }
+
Dmsg1(116, ">stored: %s", sd->msg);
- if (bnet_recv(sd) <= 0) {
- Jmsg1(jcr, M_FATAL, 0, _("bdird<stored: bad response to Hello command: ERR=%s\n"),
- bnet_strerror(sd));
+ if (sd->recv() <= 0) {
+ stop_bsock_timer(tid);
+ Jmsg3(jcr, M_FATAL, 0, _("bdird<stored: \"%s:%s\" bad response to Hello command: ERR=%s\n"),
+ sd->who(), sd->host(), sd->bstrerror());
return 0;
}
Dmsg1(110, "<stored: %s", sd->msg);
- if (strncmp(sd->msg, OKhello, sizeof(OKhello)) != 0) {
- Jmsg0(jcr, M_FATAL, 0, _("Storage daemon rejected Hello command\n"));
+ stop_bsock_timer(tid);
+ 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;
+ }
+ if (jcr->SDVersion < 305) {
+ Jmsg2(jcr, M_FATAL, 0, _("Older Storage daemon at \"%s:%d\" incompatible with this Director.\n"),
+ sd->host(), sd->port());
return 0;
}
return 1;
int authenticate_file_daemon(JCR *jcr)
{
BSOCK *fd = jcr->file_bsock;
+ CLIENT *client = jcr->client;
char dirname[MAX_NAME_LENGTH];
- int ssl_need = BNET_SSL_NONE;
+ int tls_local_need = BNET_TLS_NONE;
+ int tls_remote_need = BNET_TLS_NONE;
+ int compatible = true;
+ bool auth_success = false;
- /*
+ /*
* 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);
- if (!bnet_fsend(fd, hello, dirname)) {
- Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon. ERR=%s\n"), bnet_strerror(fd));
+ /* Timeout Hello after 1 min */
+ btimer_t *tid = start_bsock_timer(fd, AUTH_TIMEOUT);
+ 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"),
+ 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(dbglvl, "Sent: %s", fd->msg);
+
+ /* TLS Requirement */
+ if (client->tls_enable) {
+ if (client->tls_require) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ } else {
+ tls_local_need = BNET_TLS_OK;
+ }
+ }
+
+ 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(dbglvl, "cram_auth failed for %s\n", fd->who());
+ }
+ } else {
+ Dmsg1(dbglvl, "cram_get_auth failed for %s\n", fd->who());
+ }
+ if (!auth_success) {
+ stop_bsock_timer(tid);
+ 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"
+ "For help, please see: " MANUAL_AUTH_URL "\n"),
+ fd->host(), fd->port());
return 0;
}
- if (!cram_md5_get_auth(fd, jcr->client->password, ssl_need) ||
- !cram_md5_auth(fd, jcr->client->password, ssl_need)) {
- Jmsg(jcr, M_FATAL, 0, _("Director and File daemon passwords or names not the same.\n"));
+
+ /* Verify that the remote host 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) {
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("Authorization problem: FD \"%s:%s\" did not advertise required TLS support.\n"),
+ fd->who(), fd->host());
return 0;
}
+
+ /* Verify that we are willing to meet the remote host's requirements */
+ if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("Authorization problem: FD at \"%s:%d\" requires TLS.\n"),
+ fd->host(), fd->port());
+ return 0;
+ }
+
+ /* Is TLS Enabled? */
+ 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 (bnet_recv(fd) <= 0) {
- Jmsg(jcr, M_FATAL, 0, _("Bad response from File daemon to Hello command: ERR=%s\n"),
- bnet_strerror(fd));
+ if (fd->recv() <= 0) {
+ stop_bsock_timer(tid);
+ 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);
- if (strncmp(fd->msg, FDOKhello, sizeof(FDOKhello)) != 0) {
- Jmsg(jcr, M_FATAL, 0, _("File daemon rejected Hello command\n"));
+ Dmsg1(110, "<filed: %s", fd->msg);
+ stop_bsock_timer(tid);
+ 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;
}
return 1;
}
-/*********************************************************************
+/*********************************************************************
*
*/
-int authenticate_user_agent(BSOCK *ua)
+int authenticate_user_agent(UAContext *uac)
{
- char name[MAXSTRING];
- int ssl_need = BNET_SSL_NONE;
- int ok;
+ 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 >= MAXSTRING-1) {
- Emsg2(M_ERROR, 0, _("UA Hello from %s is invalid. Len=%d\n"), ua->who,
- ua->msglen);
+ 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) {
- ua->msg[100] = 0; /* terminate string */
- Emsg2(M_ERROR, 0, _("UA Hello from %s is invalid. Got: %s\n"), ua->who,
- ua->msg);
+ 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;
}
- ok = cram_md5_auth(ua, director->password, ssl_need) &&
- cram_md5_get_auth(ua, director->password, ssl_need);
+ name[sizeof(name)-1] = 0; /* terminate name */
+ if (strcmp(name, "*UserAgent*") == 0) { /* default console */
+ /* TLS Requirement */
+ if (director->tls_enable) {
+ if (director->tls_require) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ } else {
+ tls_local_need = BNET_TLS_OK;
+ }
+ }
+
+ 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;
+ }
+
+ auth_success = cram_md5_challenge(ua, director->password, tls_local_need,
+ compatible) &&
+ cram_md5_respond(ua, director->password, &tls_remote_need, &compatible);
+ } else {
+ unbash_spaces(name);
+ cons = (CONRES *)GetResWithName(R_CONSOLE, name);
+ if (cons) {
+ /* TLS Requirement */
+ if (cons->tls_enable) {
+ if (cons->tls_require) {
+ tls_local_need = BNET_TLS_REQUIRED;
+ } else {
+ tls_local_need = BNET_TLS_OK;
+ }
+ }
+
+ 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;
+ }
+
+ auth_success = cram_md5_challenge(ua, cons->password, tls_local_need,
+ compatible) &&
+ cram_md5_respond(ua, cons->password, &tls_remote_need, &compatible);
+
+ if (auth_success) {
+ uac->cons = cons; /* save console resource pointer */
+ }
+ } else {
+ auth_success = false;
+ goto auth_done;
+ }
+ }
+
+
+ /* 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:"
+ " Remote client did not advertise required TLS support.\n"));
+ auth_success = false;
+ goto auth_done;
+ }
+
+ /* Verify that we are willing to meet the peer's 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:"
+ " Remote client requires TLS.\n"));
+ auth_success = false;
+ goto auth_done;
+ }
+
+ if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
+ if (cons) {
+ tls_ctx = cons->tls_ctx;
+ } else {
+ tls_ctx = director->tls_ctx;
+ }
+
+ /* Engage TLS! Full Speed Ahead! */
+ if (!bnet_tls_server(tls_ctx, ua, verify_list)) {
+ Emsg0(M_ERROR, 0, _("TLS negotiation failed.\n"));
+ auth_success = false;
+ goto auth_done;
+ }
+ if (tls_authenticate) { /* authentication only? */
+ ua->free_tls(); /* stop tls */
+ }
+ }
+
- if (!ok) {
- bnet_fsend(ua, "%s", _(Dir_sorry));
- Emsg1(M_WARNING, 0, _("Unable to authenticate User Agent at %s.\n"),
- ua->who);
+/* Authorization Completed */
+auth_done:
+ if (!auth_success) {
+ ua->fsend("%s", _(Dir_sorry));
+ Emsg4(M_ERROR, 0, _("Unable to authenticate console \"%s\" at %s:%s:%d.\n"),
+ name, ua->who(), ua->host(), ua->port());
sleep(5);
return 0;
}
- bnet_fsend(ua, "1000 OK: %s Version: " VERSION " (" BDATE ")\n", my_name);
+ ua->fsend(_("1000 OK: %d %s %sVersion: %s (%s)\n"),
+ DIR_VERSION, my_name, "", VERSION, BDATE);
return 1;
}
projects / bacula / bacula / blobdiff