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 and included
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 /* Forward referenced functions */
44 extern "C" void *connect_thread(void *arg);
45 static void *handle_UA_client_request(void *arg);
48 /* Global variables */
49 static int started = FALSE;
50 static workq_t ua_workq;
57 /* Called here by Director daemon to start UA (user agent)
58 * command thread. This routine creates the thread and then
61 void start_UA_server(dlist *addrs)
65 static dlist *myaddrs = addrs;
67 if ((status=pthread_create(&thid, NULL, connect_thread, (void *)myaddrs)) != 0) {
69 Emsg1(M_ABORT, 0, _("Cannot create UA thread: %s\n"), be.bstrerror(status));
76 void *connect_thread(void *arg)
78 pthread_detach(pthread_self());
80 /* Permit 20 console connections */
81 bnet_thread_server((dlist*)arg, 20, &ua_workq, handle_UA_client_request);
86 * Create a Job Control Record for a control "job",
87 * filling in all the appropriate fields.
89 JCR *new_control_jcr(const char *base_name, int job_type)
92 jcr = new_jcr(sizeof(JCR), dird_free_jcr);
94 * The job and defaults are not really used, but
95 * we set them up to ensure that everything is correctly
99 jcr->job = (JOB *)GetNextRes(R_JOB, NULL);
100 set_jcr_defaults(jcr, jcr->job);
102 jcr->sd_auth_key = bstrdup("dummy"); /* dummy Storage daemon key */
103 create_unique_job_name(jcr, base_name);
104 jcr->sched_time = jcr->start_time;
105 jcr->JobType = job_type;
106 jcr->JobLevel = L_NONE;
107 set_jcr_job_status(jcr, JS_Running);
113 * Handle Director User Agent commands
116 static void *handle_UA_client_request(void *arg)
121 BSOCK *user = (BSOCK *)arg;
123 pthread_detach(pthread_self());
125 jcr = new_control_jcr("-Console-", JT_CONSOLE);
127 ua = new_ua_context(jcr);
130 user->recv(); /* Get first message */
131 if (!authenticate_user_agent(ua)) {
136 if (ua->api) user->signal(BNET_MAIN_PROMPT);
139 pm_strcpy(ua->cmd, ua->UA_sock->msg);
141 if (ua->argc > 0 && ua->argk[0][0] == '.') {
142 do_a_dot_command(ua);
146 dequeue_messages(ua->jcr);
148 if (console_msg_pending && acl_access_ok(ua, Command_ACL, "messages", 8)) {
149 if (ua->auto_display_messages) {
150 pm_strcpy(ua->cmd, "messages");
151 qmessagescmd(ua, ua->cmd);
152 ua->user_notified_msg_pending = false;
153 } else if (!ua->gui && !ua->user_notified_msg_pending && console_msg_pending) {
155 user->signal(BNET_MSGS_PENDING);
157 bsendmsg(ua, _("You have messages.\n"));
159 ua->user_notified_msg_pending = true;
162 if (!ua->api) user->signal(BNET_EOD); /* send end of command */
164 } else if (is_bnet_stop(user)) {
166 } else { /* signal */
167 user->signal(BNET_POLL);
180 * Create a UAContext for a Job that is running so that
181 * it can the User Agent routines and
182 * to ensure that the Job gets the proper output.
183 * This is a sort of mini-kludge, and should be
184 * unified at some point.
186 UAContext *new_ua_context(JCR *jcr)
190 ua = (UAContext *)malloc(sizeof(UAContext));
191 memset(ua, 0, sizeof(UAContext));
194 ua->cmd = get_pool_memory(PM_FNAME);
195 ua->args = get_pool_memory(PM_FNAME);
197 ua->automount = true;
201 void free_ua_context(UAContext *ua)
204 free_pool_memory(ua->cmd);
207 free_pool_memory(ua->args);
214 bnet_close(ua->UA_sock);
222 * Called from main Bacula thread
224 void term_ua_server()