2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2007 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.
30 * Bacula Director -- User Agent Server
32 * Kern Sibbald, September MM
40 /* Imported variables */
43 extern struct s_res resources[];
46 /* Forward referenced functions */
47 extern "C" void *connect_thread(void *arg);
48 static void *handle_UA_client_request(void *arg);
51 /* Global variables */
52 static int started = FALSE;
53 static workq_t ua_workq;
60 /* Called here by Director daemon to start UA (user agent)
61 * command thread. This routine creates the thread and then
64 void start_UA_server(dlist *addrs)
68 static dlist *myaddrs = addrs;
70 if ((status=pthread_create(&thid, NULL, connect_thread, (void *)myaddrs)) != 0) {
72 Emsg1(M_ABORT, 0, _("Cannot create UA thread: %s\n"), be.strerror(status));
79 void *connect_thread(void *arg)
81 pthread_detach(pthread_self());
83 /* Permit 20 console connections */
84 bnet_thread_server((dlist*)arg, 20, &ua_workq, handle_UA_client_request);
89 * Create a Job Control Record for a control "job",
90 * filling in all the appropriate fields.
92 JCR *new_control_jcr(const char *base_name, int job_type)
95 jcr = new_jcr(sizeof(JCR), dird_free_jcr);
97 * The job and defaults are not really used, but
98 * we set them up to ensure that everything is correctly
102 jcr->job = (JOB *)GetNextRes(R_JOB, NULL);
103 set_jcr_defaults(jcr, jcr->job);
105 jcr->sd_auth_key = bstrdup("dummy"); /* dummy Storage daemon key */
106 create_unique_job_name(jcr, base_name);
107 jcr->sched_time = jcr->start_time;
108 jcr->JobType = job_type;
109 jcr->JobLevel = L_NONE;
110 set_jcr_job_status(jcr, JS_Running);
116 * Handle Director User Agent commands
119 static void *handle_UA_client_request(void *arg)
124 BSOCK *user = (BSOCK *)arg;
126 pthread_detach(pthread_self());
128 jcr = new_control_jcr("*Console*", JT_CONSOLE);
130 ua = new_ua_context(jcr);
133 user->recv(); /* Get first message */
134 if (!authenticate_user_agent(ua)) {
141 pm_strcpy(ua->cmd, ua->UA_sock->msg);
143 if (ua->argc > 0 && ua->argk[0][0] == '.') {
144 do_a_dot_command(ua, ua->cmd);
146 do_a_command(ua, ua->cmd);
149 if (acl_access_ok(ua, Command_ACL, "messages", 8)) {
150 if (ua->auto_display_messages) {
151 pm_strcpy(ua->cmd, "messages");
152 qmessagescmd(ua, ua->cmd);
153 ua->user_notified_msg_pending = false;
154 } else if (!ua->gui && !ua->user_notified_msg_pending && console_msg_pending) {
155 bsendmsg(ua, _("You have messages.\n"));
156 ua->user_notified_msg_pending = true;
159 if (!ua->api) user->signal(BNET_EOD); /* send end of command */
161 } else if (is_bnet_stop(user)) {
163 } else { /* signal */
164 user->signal(BNET_POLL);
177 * Create a UAContext for a Job that is running so that
178 * it can the User Agent routines and
179 * to ensure that the Job gets the proper output.
180 * This is a sort of mini-kludge, and should be
181 * unified at some point.
183 UAContext *new_ua_context(JCR *jcr)
187 ua = (UAContext *)malloc(sizeof(UAContext));
188 memset(ua, 0, sizeof(UAContext));
191 ua->cmd = get_pool_memory(PM_FNAME);
192 ua->args = get_pool_memory(PM_FNAME);
194 ua->automount = true;
198 void free_ua_context(UAContext *ua)
201 free_pool_memory(ua->cmd);
204 free_pool_memory(ua->args);
211 bnet_close(ua->UA_sock);
219 * Called from main Bacula thread
221 void term_ua_server()