3 * Bacula UA authentication. Provides authentication with
6 * Kern Sibbald, June MMI
8 * This routine runs as a thread and must be thread reentrant.
10 * Basic tasks done here:
14 Copyright (C) 2001-2005 Kern Sibbald
16 This program is free software; you can redistribute it and/or
17 modify it under the terms of the GNU General Public License
18 version 2 as amended with additional clauses defined in the
19 file LICENSE in the main source directory.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 the file LICENSE for additional details.
29 #include "console_conf.h"
34 void senditf(char *fmt, ...);
35 void sendit(char *buf);
37 /* Commands sent to Director */
38 static char hello[] = "Hello %s calling\n";
40 /* Response from Director */
41 static char OKhello[] = "1000 OK:";
43 /* Forward referenced functions */
46 * Authenticate Director
48 int authenticate_director(JCR *jcr, DIRRES *director, CONRES *cons)
50 BSOCK *dir = jcr->dir_bsock;
51 int tls_local_need = BNET_TLS_NONE;
52 int tls_remote_need = BNET_TLS_NONE;
53 char bashed_name[MAX_NAME_LENGTH];
55 TLS_CONTEXT *tls_ctx = NULL;
58 * Send my name to the Director then do authentication
61 bstrncpy(bashed_name, cons->hdr.name, sizeof(bashed_name));
62 bash_spaces(bashed_name);
63 password = cons->password;
65 if (cons->tls_enable) {
66 if (cons->tls_require) {
67 tls_local_need = BNET_TLS_REQUIRED;
69 tls_local_need = BNET_TLS_OK;
73 tls_ctx = cons->tls_ctx;
75 bstrncpy(bashed_name, "*UserAgent*", sizeof(bashed_name));
76 password = director->password;
78 if (director->tls_enable) {
79 if (director->tls_require) {
80 tls_local_need = BNET_TLS_REQUIRED;
82 tls_local_need = BNET_TLS_OK;
86 tls_ctx = director->tls_ctx;
90 /* Timeout Hello after 5 mins */
91 btimer_t *tid = start_bsock_timer(dir, 60 * 5);
92 bnet_fsend(dir, hello, bashed_name);
94 if (!cram_md5_get_auth(dir, password, &tls_remote_need) ||
95 !cram_md5_auth(dir, password, tls_local_need)) {
99 /* Verify that the remote host is willing to meet our TLS requirements */
100 if (tls_remote_need < tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
101 csprint(_("Authorization problem:"
102 " Remote server did not advertise required TLS support.\n"));
106 /* Verify that we are willing to meet the remote host's requirements */
107 if (tls_remote_need > tls_local_need && tls_local_need != BNET_TLS_OK && tls_remote_need != BNET_TLS_OK) {
108 csprint(_("Authorization problem:"
109 " Remote server requires TLS.\n"));
113 /* Is TLS Enabled? */
115 if (tls_local_need >= BNET_TLS_OK && tls_remote_need >= BNET_TLS_OK) {
116 /* Engage TLS! Full Speed Ahead! */
117 if (!bnet_tls_client(tls_ctx, dir)) {
118 csprint(_("TLS negotiation failed\n"));
124 Dmsg1(6, ">dird: %s", dir->msg);
125 if (bnet_recv(dir) <= 0) {
126 csprint("Bad response to Hello command: ERR=", CS_DATA);
127 csprint(bnet_strerror(dir), CS_DATA);
128 csprint("\n", CS_DATA);
131 Dmsg1(10, "<dird: %s", dir->msg);
132 if (strncmp(dir->msg, OKhello, sizeof(OKhello)-1) != 0) {
133 csprint("Director rejected Hello command\n", CS_DATA);
136 csprint(dir->msg, CS_DATA);
138 stop_bsock_timer(tid);
142 stop_bsock_timer(tid);
143 csprint( _("Director authorization problem.\n"
144 "Most likely the passwords do not agree.\n"
145 "If you are using TLS, there may have been a certificate validation error during the TLS handshake.\n"
146 "Please see http://www.bacula.org/rel-manual/faq.html#AuthorizationErrors for help.\n"));