*
*/
/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
- 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.
+ Copyright (C) 2001-2006 Free Software Foundation Europe e.V.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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 plus additions
+ that are listed 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., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ 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.
+*/
#include "bacula.h"
#include "dird.h"
extern DIRRES *director;
-extern char my_name[];
/* Commands sent to Storage daemon and File daemon and received
* from the User Agent */
static char FDOKhello[] = "2000 OK Hello\n";
/* 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 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 Storage daemon then do authentication
*/
- strcpy(dirname, director->hdr.name);
+ bstrncpy(dirname, director->hdr.name, sizeof(dirname));
bash_spaces(dirname);
+ /* Timeout Hello after 1 min */
+ btimer_t *tid = start_bsock_timer(sd, AUTH_TIMEOUT);
if (!bnet_fsend(sd, hello, dirname)) {
+ 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));
return 0;
}
- if (!cram_md5_get_auth(sd, jcr->store->password) ||
- !cram_md5_auth(sd, jcr->store->password)) {
- Jmsg0(jcr, M_FATAL, 0, _("Director and Storage daemon passwords 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;
+ }
+ }
+
+ 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());
+ }
+ } else {
+ Dmsg1(50, "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"));
+ Jmsg2(jcr, M_FATAL, 0,
+ _("Director unable to authenticate with Storage daemon on \"%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"),
+ 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 on \"%s:%d\"\n"),
+ sd->host(), sd->port());
+ return 0;
+ }
+ }
+
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));
+ 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(), bnet_strerror(sd));
return 0;
}
Dmsg1(110, "<stored: %s", sd->msg);
+ stop_bsock_timer(tid);
if (strncmp(sd->msg, OKhello, sizeof(OKhello)) != 0) {
- Jmsg0(jcr, M_FATAL, 0, _("Storage daemon rejected Hello command\n"));
+ Dmsg0(50, _("Storage daemon rejected Hello command\n"));
+ Jmsg2(jcr, M_FATAL, 0, _("Storage daemon on \"%s:%d\" rejected Hello command\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 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
*/
- strcpy(dirname, director->hdr.name);
+ bstrncpy(dirname, director->hdr.name, sizeof(dirname));
bash_spaces(dirname);
+ /* Timeout Hello after 10 mins */
+ btimer_t *tid = start_bsock_timer(fd, AUTH_TIMEOUT);
if (!bnet_fsend(fd, hello, dirname)) {
- Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon. ERR=%s\n"), bnet_strerror(fd));
+ stop_bsock_timer(tid);
+ Jmsg(jcr, M_FATAL, 0, _("Error sending Hello to File daemon on \"%s:%d\". ERR=%s\n"),
+ fd->host(), fd->port(), bnet_strerror(fd));
+ return 0;
+ }
+ Dmsg1(50, "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;
+ }
+ }
+
+ 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());
+ }
+ } else {
+ Dmsg1(50, "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"));
+ Jmsg(jcr, M_FATAL, 0,
+ _("Unable to authenticate with File daemon on \"%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"),
+ fd->host(), fd->port());
return 0;
}
- if (!cram_md5_get_auth(fd, jcr->client->password) ||
- !cram_md5_auth(fd, jcr->client->password)) {
- Jmsg(jcr, M_FATAL, 0, _("Director and File daemon passwords 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 on \"%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 on \"%s:%d\".\n"),
+ fd->host(), fd->port());
+ return 0;
+ }
+ }
+
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));
+ stop_bsock_timer(tid);
+ Dmsg1(50, _("Bad response from File daemon to Hello command: ERR=%s\n"),
+ bnet_strerror(fd));
+ Jmsg(jcr, M_FATAL, 0, _("Bad response from File daemon on \"%s:%d\" to Hello command: ERR=%s\n"),
+ fd->host(), fd->port(), bnet_strerror(fd));
return 0;
}
Dmsg1(110, "<stored: %s", fd->msg);
+ stop_bsock_timer(tid);
if (strncmp(fd->msg, FDOKhello, sizeof(FDOKhello)) != 0) {
- Jmsg(jcr, M_FATAL, 0, _("File daemon rejected Hello command\n"));
+ Dmsg0(50, _("File daemon rejected Hello command\n"));
+ Jmsg(jcr, M_FATAL, 0, _("File daemon on \"%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 ok;
+ char name[MAX_NAME_LENGTH];
+ int tls_local_need = BNET_TLS_NONE;
+ int tls_remote_need = BNET_TLS_NONE;
+ int compatible = true;
+ CONRES *cons = NULL;
+ BSOCK *ua = uac->UA_sock;
+ bool auth_success = false;
+ TLS_CONTEXT *tls_ctx = NULL;
+ alist *verify_list = NULL;
+
- if (ua->msglen < 16 || ua->msglen >= MAXSTRING-1) {
- Emsg1(M_ERROR, 0, _("UA Hello is invalid. Len=%d\n"), ua->msglen);
+// Emsg4(M_INFO, 0, _("UA Hello from %s:%s:%d is invalid. Len=%d\n"), ua->who(),
+// ua->host(), ua->port(), 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 */
- Emsg1(M_ERROR, 0, _("UA Hello is invalid. Got: %s\n"), ua->msg);
+ 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) &&
- cram_md5_get_auth(ua, director->password);
+ 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;
+ }
+ }
+
+ 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;
+ }
+ }
+
+ 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 (!ok) {
+/* Authorization Completed */
+auth_done:
+ if (!auth_success) {
bnet_fsend(ua, "%s", _(Dir_sorry));
- Emsg0(M_WARNING, 0, _("Unable to authenticate User Agent\n"));
+ 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);
+ bnet_fsend(ua, _("1000 OK: %s Version: %s (%s)\n"), my_name, VERSION, BDATE);
return 1;
}
projects / bacula / bacula / blobdiff