2 Bacula® - The Network Backup Solution
4 Copyright (C) 2001-2007 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation plus additions
11 that are listed in the file LICENSE.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of John Walker.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
31 * Bacula UA authentication. Provides authentication with
34 * Kern Sibbald, June MMI adapted to bat, Jan MMVI
44 /* Commands sent to Director */
45 static char hello[] = "Hello %s calling\n";
47 /* Response from Director */
48 static char OKhello[] = "1000 OK:";
50 /* Forward referenced functions */
53 * Authenticate Director
55 bool Console::authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons)
57 BSOCK *dir = jcr->dir_bsock;
58 int tls_local_need = BNET_TLS_NONE;
59 int tls_remote_need = BNET_TLS_NONE;
60 int compatible = true;
61 char bashed_name[MAX_NAME_LENGTH];
63 TLS_CONTEXT *tls_ctx = NULL;
66 * Send my name to the Director then do authentication
69 bstrncpy(bashed_name, cons->hdr.name, sizeof(bashed_name));
70 bash_spaces(bashed_name);
71 password = cons->password;
73 if (cons->tls_enable) {
74 if (cons->tls_require) {
75 tls_local_need = BNET_TLS_REQUIRED;
77 tls_local_need = BNET_TLS_OK;
81 tls_ctx = cons->tls_ctx;
83 bstrncpy(bashed_name, "*UserAgent*", sizeof(bashed_name));
84 password = director->password;
86 if (director->tls_enable) {
87 if (director->tls_require) {
88 tls_local_need = BNET_TLS_REQUIRED;
90 tls_local_need = BNET_TLS_OK;
94 tls_ctx = director->tls_ctx;
96 /* Timeout Hello after 30 secs */
97 btimer_t *tid = start_bsock_timer(dir, 30);
98 dir->fsend(hello, bashed_name);
100 /* respond to Dir challenge */
101 if (!cram_md5_respond(dir, password, &tls_remote_need, &compatible) ||
102 /* Now challenge dir */
103 !cram_md5_challenge(dir, password, tls_local_need, compatible)) {
104 printf(_("%s: Director authorization problem.\n"), my_name);
105 display_text(_("Director authorization problem.\n"));
109 /* Verify that the remote host is willing to meet our TLS requirements */
110 if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
111 display_text(_("Authorization problem:"
112 " Remote server did not advertise required TLS support.\n"));
116 /* Verify that we are willing to meet the remote host's requirements */
117 if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
118 display_text(_("Authorization problem:"
119 " Remote server requires TLS.\n"));
123 /* Is TLS Enabled? */
125 if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
126 /* Engage TLS! Full Speed Ahead! */
127 if (!bnet_tls_client(tls_ctx, dir, NULL)) {
128 display_text(_("TLS negotiation failed\n"));
134 Dmsg1(6, ">dird: %s", dir->msg);
135 if (dir->recv() <= 0) {
136 stop_bsock_timer(tid);
137 display_textf(_("Bad response to Hello command: ERR=%s\n"),
139 printf(_("%s: Bad response to Hello command: ERR=%s\n"),
140 my_name, dir->bstrerror());
141 display_text(_("The Director is probably not running.\n"));
145 stop_bsock_timer(tid);
146 Dmsg1(10, "<dird: %s", dir->msg);
147 if (strncmp(dir->msg, OKhello, sizeof(OKhello)-1) != 0) {
148 display_text(_("Director rejected Hello command\n"));
151 display_text(dir->msg);
156 stop_bsock_timer(tid);
157 display_text(_("Director authorization problem.\n"
158 "Most likely the passwords do not agree.\n"
159 "If you are using TLS, there may have been a certificate validation error during the TLS handshake.\n"
160 "Please see http://www.bacula.org/rel-manual/faq.html#AuthorizationErrors for help.\n"));