3 * Bacula Console interface to the Director
5 * Kern Sibbald, September MM
11 Copyright (C) 2000-2003 Kern Sibbald and John Walker
13 This library is free software; you can redistribute it and/or
14 modify it under the terms of the GNU Lesser General Public
15 License as published by the Free Software Foundation; either
16 version 2.1 of the License, or (at your option) any later version.
18 This library is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 Lesser General Public License for more details.
23 You should have received a copy of the GNU Lesser General Public
24 License along with this library; if not, write to the Free
25 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include "console_conf.h"
39 #define con_set_zed_keys();
45 /* Exported variables */
50 extern int rl_catch_signals;
53 /* Imported functions */
54 int authenticate_director(JCR *jcr, DIRRES *director, char *name);
58 /* Forward referenced functions */
59 static void terminate_console(int sig);
60 int get_cmd(FILE *input, char *prompt, BSOCK *sock, int sec);
61 static int do_outputcmd(FILE *input, BSOCK *UA_sock);
62 void senditf(char *fmt, ...);
63 void sendit(char *buf);
65 /* Static variables */
66 static char *configfile = NULL;
67 static BSOCK *UA_sock = NULL;
69 static FILE *output = stdout;
70 static bool tee = false; /* output to output and stdout */
71 static bool stop = false;
74 static char *argk[MAX_CMD_ARGS];
75 static char *argv[MAX_CMD_ARGS];
78 /* Command prototypes */
79 static int versioncmd(FILE *input, BSOCK *UA_sock);
80 static int inputcmd(FILE *input, BSOCK *UA_sock);
81 static int outputcmd(FILE *input, BSOCK *UA_sock);
82 static int teecmd(FILE *input, BSOCK *UA_sock);
83 static int quitcmd(FILE *input, BSOCK *UA_sock);
84 static int timecmd(FILE *input, BSOCK *UA_sock);
85 static int sleepcmd(FILE *input, BSOCK *UA_sock);
88 #define CONFIG_FILE "./bconsole.conf" /* default configuration file */
93 "\nVersion: " VERSION " (" BDATE ") %s %s %s\n\n"
94 "Usage: bconsole [-s] [-c config_file] [-d debug_level] [config_file]\n"
95 " -c <file> set configuration file to file\n"
96 " -dnn set debug level to nn\n"
98 " -t test - read configuration and exit\n"
99 " -? print this message.\n"
100 "\n"), HOST_OS, DISTNAME, DISTVER);
103 void got_sigstop(int sig)
108 void got_sigcontinue(int sig)
113 void got_sigtout(int sig)
115 // printf("Got tout\n");
118 void got_sigtin(int sig)
120 // printf("Got tin\n");
123 static int zed_keyscmd(FILE *input, BSOCK *UA_sock)
130 * These are the @command
132 struct cmdstruct { char *key; int (*func)(FILE *input, BSOCK *UA_sock); char *help; };
133 static struct cmdstruct commands[] = {
134 { N_("input"), inputcmd, _("input from file")},
135 { N_("output"), outputcmd, _("output to file")},
136 { N_("quit"), quitcmd, _("quit")},
137 { N_("tee"), teecmd, _("output to file and terminal")},
138 { N_("sleep"), sleepcmd, _("sleep specified time")},
139 { N_("time"), timecmd, _("print current time")},
140 { N_("version"), versioncmd, _("print Console's version")},
141 { N_("exit"), quitcmd, _("exit = quit")},
142 { N_("zed_keyst"), zed_keyscmd, _("zed_keys = use zed keys instead of bash keys")},
144 #define comsize (sizeof(commands)/sizeof(struct cmdstruct))
146 static int do_a_command(FILE *input, BSOCK *UA_sock)
157 Dmsg1(120, "Command: %s\n", UA_sock->msg);
163 if (*cmd == '#') { /* comment */
167 for (i=0; i<comsize; i++) { /* search for command */
168 if (strncasecmp(cmd, _(commands[i].key), len) == 0) {
169 stat = (*commands[i].func)(input, UA_sock); /* go execute command */
175 pm_strcat(&UA_sock->msg, _(": is an illegal command\n"));
176 UA_sock->msglen = strlen(UA_sock->msg);
177 sendit(UA_sock->msg);
183 static void read_and_process_input(FILE *input, BSOCK *UA_sock)
186 bool at_prompt = false;
187 int tty_input = isatty(fileno(input));
191 if (at_prompt) { /* don't prompt multiple times */
198 stat = get_cmd(input, prompt, UA_sock, 30);
201 int len = sizeof_pool_memory(UA_sock->msg) - 1;
202 if (fgets(UA_sock->msg, len, input) == NULL || usrbrk()) {
205 sendit(UA_sock->msg); /* echo to terminal */
206 strip_trailing_junk(UA_sock->msg);
207 UA_sock->msglen = strlen(UA_sock->msg);
212 break; /* error or interrupt */
213 } else if (stat == 0) { /* timeout */
214 if (strcmp(prompt, "*") == 0) {
215 bnet_fsend(UA_sock, ".messages");
221 /* @ => internal command for us */
222 if (UA_sock->msg[0] == '@') {
223 parse_args(UA_sock->msg, &args, &argc, argk, argv, MAX_CMD_ARGS);
224 if (!do_a_command(input, UA_sock)) {
229 if (!bnet_send(UA_sock)) { /* send command */
233 if (strcmp(UA_sock->msg, ".quit") == 0 || strcmp(UA_sock->msg, ".exit") == 0) {
236 while ((stat = bnet_recv(UA_sock)) >= 0) {
243 /* Suppress output if running in background or user hit ctl-c */
244 if (!stop && !usrbrk()) {
245 sendit(UA_sock->msg);
251 if (is_bnet_stop(UA_sock)) {
252 break; /* error or term */
253 } else if (stat == BNET_SIGNAL) {
254 if (UA_sock->msglen == BNET_PROMPT) {
257 Dmsg1(100, "Got poll %s\n", bnet_sig_to_ascii(UA_sock));
263 /*********************************************************************
265 * Main Bacula Console -- User Interface Program
268 int main(int argc, char *argv[])
270 int ch, i, ndir, item;
271 bool no_signals = false;
272 bool test_config = false;
276 my_name_is(argc, argv, "bconsole");
277 textdomain("bacula-console");
278 init_msg(NULL, NULL);
279 working_directory = "/tmp";
280 args = get_pool_memory(PM_FNAME);
283 while ((ch = getopt(argc, argv, "bc:d:r:st?")) != -1) {
285 case 'c': /* configuration file */
286 if (configfile != NULL) {
289 configfile = bstrdup(optarg);
293 debug_level = atoi(optarg);
294 if (debug_level <= 0) {
299 case 's': /* turn off signals */
318 init_signals(terminate_console);
321 /* Override Bacula default signals */
322 signal(SIGCHLD, SIG_IGN);
323 signal(SIGTSTP, got_sigstop);
324 signal(SIGCONT, got_sigcontinue);
325 signal(SIGTTIN, got_sigtin);
326 signal(SIGTTOU, got_sigtout);
335 if (configfile == NULL) {
336 configfile = bstrdup(CONFIG_FILE);
339 parse_config(configfile);
343 foreach_res(dir, R_DIRECTOR) {
349 Emsg1(M_ERROR_TERM, 0, _("No Director resource defined in %s\n\
350 Without that I don't how to speak to the Director :-(\n"), configfile);
354 terminate_console(0);
358 memset(&jcr, 0, sizeof(jcr));
362 UA_sock = init_bsock(NULL, 0, "", "", 0);
364 sendit(_("Available Directors:\n"));
367 foreach_res(dir, R_DIRECTOR) {
368 senditf( _("%d %s at %s:%d\n"), 1+ndir++, dir->hdr.name, dir->address,
372 if (get_cmd(stdin, _("Select Director: "), UA_sock, 600) < 0) {
375 item = atoi(UA_sock->msg);
376 if (item < 0 || item > ndir) {
377 senditf(_("You must enter a number between 1 and %d\n"), ndir);
382 for (i=0; i<item; i++) {
383 dir = (DIRRES *)GetNextRes(R_DIRECTOR, (RES *)dir);
389 dir = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
393 senditf(_("Connecting to Director %s:%d\n"), dir->address,dir->DIRport);
394 UA_sock = bnet_connect(NULL, 5, 15, "Director daemon", dir->address,
395 NULL, dir->DIRport, 0);
396 if (UA_sock == NULL) {
397 terminate_console(0);
400 jcr.dir_bsock = UA_sock;
403 CONRES *cons = (CONRES *)GetNextRes(R_CONSOLE, (RES *)NULL);
407 con_name = cons->hdr.name;
409 con_name = "*UserAgent*";
411 if (!authenticate_director(&jcr, dir, con_name)) {
412 fprintf(stderr, "ERR=%s", UA_sock->msg);
413 terminate_console(0);
417 Dmsg0(40, "Opened connection with Director daemon\n");
419 sendit(_("Enter a period to cancel a command.\n"));
421 /* Run commands in ~/.bconsolerc if any */
422 char *env = getenv("HOME");
425 pm_strcpy(&UA_sock->msg, env);
426 pm_strcat(&UA_sock->msg, "/.bconsolerc");
427 fd = fopen(UA_sock->msg, "r");
429 read_and_process_input(fd, UA_sock);
434 read_and_process_input(stdin, UA_sock);
437 bnet_sig(UA_sock, BNET_TERMINATE); /* send EOF */
441 terminate_console(0);
446 /* Cleanup and then exit */
447 static void terminate_console(int sig)
449 static bool already_here = false;
451 if (already_here) { /* avoid recursive temination problems */
455 free_pool_memory(args);
464 #define READLINE_LIBRARY 1
466 #include "readline.h"
471 get_cmd(FILE *input, char *prompt, BSOCK *sock, int sec)
475 rl_catch_signals = 0; /* do it ourselves */
476 line = readline(prompt);
481 strip_trailing_junk(line);
482 sock->msglen = pm_strcpy(&sock->msg, line);
484 add_history(sock->msg);
490 #else /* no readline, do it ourselves */
493 * Returns: 1 if data available
498 wait_for_data(int fd, int sec)
508 switch(select(fd + 1, &fdset, NULL, NULL, &tv)) {
509 case 0: /* timeout */
512 if (errno == EINTR || errno == EAGAIN) {
515 return -1; /* error return */
523 * Get next input command from terminal.
525 * Returns: 1 if got input
530 get_cmd(FILE *input, char *prompt, BSOCK *sock, int sec)
534 if (output == stdout || tee) {
539 switch (wait_for_data(fileno(input), sec)) {
541 return 0; /* timeout */
543 return -1; /* error */
545 len = sizeof_pool_memory(sock->msg) - 1;
551 if (isatty(fileno(input))) {
552 input_line(sock->msg, len);
556 if (fgets(sock->msg, len, input) == NULL) {
561 strip_trailing_junk(sock->msg);
562 sock->msglen = strlen(sock->msg);
568 static int versioncmd(FILE *input, BSOCK *UA_sock)
570 senditf("Version: " VERSION " (" BDATE ") %s %s %s\n",
571 HOST_OS, DISTNAME, DISTVER);
575 static int inputcmd(FILE *input, BSOCK *UA_sock)
580 sendit(_("Too many arguments on input command.\n"));
584 sendit(_("First argument to input command must be a filename.\n"));
587 fd = fopen(argk[1], "r");
589 senditf(_("Cannot open file %s for input. ERR=%s\n"),
590 argk[1], strerror(errno));
593 read_and_process_input(fd, UA_sock);
598 /* Send output to both termina and specified file */
599 static int teecmd(FILE *input, BSOCK *UA_sock)
602 return do_outputcmd(input, UA_sock);
605 /* Send output to specified "file" */
606 static int outputcmd(FILE *input, BSOCK *UA_sock)
609 return do_outputcmd(input, UA_sock);
613 static int do_outputcmd(FILE *input, BSOCK *UA_sock)
619 sendit(_("Too many arguments on output/tee command.\n"));
623 if (output != stdout) {
633 fd = fopen(argk[1], mode);
635 senditf(_("Cannot open file %s for output. ERR=%s\n"),
636 argk[1], strerror(errno));
643 static int quitcmd(FILE *input, BSOCK *UA_sock)
648 static int sleepcmd(FILE *input, BSOCK *UA_sock)
651 sleep(atoi(argk[1]));
657 static int timecmd(FILE *input, BSOCK *UA_sock)
660 time_t ttime = time(NULL);
662 localtime_r(&ttime, &tm);
663 strftime(sdt, sizeof(sdt), "%d-%b-%Y %H:%M:%S", &tm);
669 * Send a line to the output file and or the terminal
671 void senditf(char *fmt,...)
676 va_start(arg_ptr, fmt);
677 bvsnprintf(buf, sizeof(buf), (char *)fmt, arg_ptr);
682 void sendit(char *buf)
685 if (output == stdout || tee) {
688 * Here, we convert every \n into \r\n because the
689 * terminal is in raw mode when we are using
692 for (p=q=buf; (p=strchr(q, '\n')); ) {
697 q = ++p; /* point after \n */
703 if (output != stdout) {