2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1999 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
27 * $Id: sendbackup.c,v 1.88 2006/07/25 18:27:56 martinea Exp $
29 * common code for the sendbackup-* programs.
34 #include "sendbackup.h"
36 #include "pipespawn.h"
37 #include "amfeatures.h"
41 #include "amandates.h"
43 #define sendbackup_debug(i, ...) do { \
44 if ((i) <= debug_sendbackup) { \
45 dbprintf(__VA_LIST__); \
51 pid_t comppid = (pid_t)-1;
52 pid_t dumppid = (pid_t)-1;
53 pid_t tarpid = (pid_t)-1;
54 pid_t encpid = (pid_t)-1;
55 pid_t indexpid = (pid_t)-1;
56 pid_t application_api_pid = (pid_t)-1;
57 char *errorstr = NULL;
63 g_option_t *g_options = NULL;
67 backup_program_t *program = NULL;
70 static am_feature_t *our_features = NULL;
71 static char *our_feature_string = NULL;
72 static char *amandad_auth = NULL;
75 int main(int argc, char **argv);
76 char *childstr(pid_t pid);
77 int check_status(pid_t pid, amwait_t w, int mesgfd);
79 pid_t pipefork(void (*func)(void), char *fname, int *stdinfd,
80 int stdoutfd, int stderrfd);
81 int check_result(int mesgfd);
82 void parse_backup_messages(dle_t *dle, int mesgin);
83 static void process_dumpline(char *str);
84 static void save_fd(int *, int);
85 void application_api_info_tapeheader(int mesgfd, char *prog, dle_t *dle);
87 int fdprintf(int fd, char *format, ...) G_GNUC_PRINTF(2, 3);
99 arglist_start(argp, format);
100 s = g_strdup_vprintf(format, argp);
103 r = full_write(fd, s, strlen(s));
117 char *dumpdate, *stroptions;
119 char *qamdevice = NULL;
121 char *err_extra = NULL;
129 if (argc > 1 && argv && argv[1] && g_str_equal(argv[1], "--version")) {
130 printf("sendbackup-%s\n", VERSION);
136 * Configure program for internationalization:
137 * 1) Only set the message locale for now.
138 * 2) Set textdomain for all amanda related programs to "amanda"
139 * We don't want to be forced to support dozens of message catalogs.
141 setlocale(LC_MESSAGES, "C");
142 textdomain("amanda");
144 safe_fd(DATA_FD_OFFSET, DATA_FD_COUNT*2);
149 set_pname("sendbackup");
151 /* Don't die when child closes pipe */
152 signal(SIGPIPE, SIG_IGN);
154 /* Don't die when interrupt received */
155 signal(SIGINT, SIG_IGN);
157 if(argc > 1 && strcmp(argv[1],"-t") == 0) {
165 add_amanda_log_handler(amanda_log_stderr);
166 add_amanda_log_handler(amanda_log_syslog);
167 dbopen(DBG_SUBDIR_CLIENT);
169 dbprintf(_("Version %s\n"), VERSION);
171 if(argc > 2 && strcmp(argv[1], "amandad") == 0) {
172 amandad_auth = stralloc(argv[2]);
175 our_features = am_init_feature_set();
176 our_feature_string = am_feature_to_string(our_features);
178 config_init(CONFIG_INIT_CLIENT, NULL);
179 /* (check for config errors comes later) */
181 check_running_as(RUNNING_AS_CLIENT_LOGIN);
185 * In interactive (debug) mode, the backup data is sent to
186 * /dev/null and none of the network connections back to driver
187 * programs on the tape host are set up. The index service is
188 * run and goes to stdout.
190 g_fprintf(stderr, _("%s: running in interactive test mode\n"), get_pname());
198 for(; (line = agets(stdin)) != NULL; free(line)) {
202 g_fprintf(stderr, "%s> ", get_pname());
205 if(strncmp_const(line, "OPTIONS ") == 0) {
206 g_options = parse_g_options(line+8, 1);
207 if(!g_options->hostname) {
208 g_options->hostname = alloc(MAX_HOSTNAME_LENGTH+1);
209 gethostname(g_options->hostname, MAX_HOSTNAME_LENGTH);
210 g_options->hostname[MAX_HOSTNAME_LENGTH] = '\0';
213 if (g_options->config) {
214 /* overlay this configuration on the existing (nameless) configuration */
215 config_init(CONFIG_INIT_CLIENT | CONFIG_INIT_EXPLICIT_NAME | CONFIG_INIT_OVERLAY,
218 dbrename(get_config_name(), DBG_SUBDIR_CLIENT);
221 /* check for any config errors now */
222 if (config_errors(&errlist) >= CFGERR_ERRORS) {
223 char *errstr = config_errors_to_error_string(errlist);
224 g_printf("%s\n", errstr);
229 if (am_has_feature(g_options->features, fe_req_xml)) {
235 if (dle && dle->program != NULL) {
236 err_extra = _("multiple requests");
240 dbprintf(_(" sendbackup req: <%s>\n"), line);
246 skip_whitespace(s, ch); /* find the program name */
248 err_extra = _("no program name");
249 goto err; /* no program name */
251 dle->program = s - 1;
252 skip_non_whitespace(s, ch);
255 if (strcmp(dle->program, "APPLICATION")==0) {
256 dle->program_is_application_api=1;
257 skip_whitespace(s, ch); /* find dumper name */
259 goto err; /* no program */
261 dle->program = s - 1;
262 skip_non_whitespace(s, ch);
265 dle->program = stralloc(dle->program);
267 skip_whitespace(s, ch); /* find the disk name */
269 err_extra = _("no disk name");
270 goto err; /* no disk name */
276 skip_quoted_string(s, ch);
278 qdisk = stralloc(qdisk);
279 dle->disk = unquote_string(qdisk);
281 skip_whitespace(s, ch); /* find the device or level */
283 err_extra = _("bad level");
287 if(!isdigit((int)s[-1])) {
291 skip_quoted_string(s, ch);
293 qamdevice = stralloc(qamdevice);
294 dle->device = unquote_string(qamdevice);
295 skip_whitespace(s, ch); /* find level number */
298 dle->device = stralloc(dle->disk);
299 qamdevice = stralloc(qdisk);
301 /* find the level number */
302 if(ch == '\0' || sscanf(s - 1, "%d", &level) != 1) {
303 err_extra = _("bad level");
304 goto err; /* bad level */
307 alevel = g_new0(level_t, 1);
308 alevel->level = level;
309 dle->levellist = g_slist_append(dle->levellist, alevel);
311 skip_whitespace(s, ch); /* find the dump date */
313 err_extra = _("no dumpdate");
314 goto err; /* no dumpdate */
318 skip_non_whitespace(s, ch);
320 dumpdate = stralloc(dumpdate);
322 skip_whitespace(s, ch); /* find the options keyword */
324 err_extra = _("no options");
325 goto err; /* no options */
327 if(strncmp_const_skip(s - 1, "OPTIONS ", s, ch) != 0) {
328 err_extra = _("no OPTIONS keyword");
329 goto err; /* no options */
331 skip_whitespace(s, ch); /* find the options string */
333 err_extra = _("bad options string");
334 goto err; /* no options */
337 stroptions = stralloc(s - 1);
340 if (g_options == NULL) {
341 g_printf(_("ERROR [Missing OPTIONS line in sendbackup input]\n"));
342 error(_("Missing OPTIONS line in sendbackup input\n"));
346 if (am_has_feature(g_options->features, fe_req_xml)) {
349 dle = amxml_parse_node_FILE(stdin, &errmsg);
355 err_extra = _("One DLE required");
357 } else if (dle->next) {
358 err_extra = _("Only one DLE allowed");
362 qdisk = quote_string(dle->disk);
363 if (dle->device == NULL)
364 dle->device = stralloc(dle->disk);
365 qamdevice = quote_string(dle->device);
366 dumpdate = stralloc("NODATE");
367 stroptions = stralloc("");
369 parse_options(stroptions, dle, g_options->features, 0);
373 if (dle->program == NULL ||
375 dle->device == NULL ||
376 dle->levellist == NULL ||
378 err_extra = _("no valid sendbackup request");
382 if (g_slist_length(dle->levellist) != 1) {
383 err_extra = _("Too many level");
387 alevel = (level_t *)dle->levellist->data;
388 level = alevel->level;
389 dbprintf(_(" Parsed request as: program `%s'\n"), dle->program);
390 dbprintf(_(" disk `%s'\n"), qdisk);
391 dbprintf(_(" device `%s'\n"), qamdevice);
392 dbprintf(_(" level %d\n"), level);
393 dbprintf(_(" since %s\n"), dumpdate);
394 dbprintf(_(" options `%s'\n"), stroptions);
395 dbprintf(_(" datapath `%s'\n"),
396 data_path_to_string(dle->data_path));
398 if (dle->program_is_application_api==1) {
399 /* check that the application_api exist */
401 for(i = 0; programs[i]; i++) {
402 if (strcmp(programs[i]->name, dle->program) == 0) {
406 if (programs[i] == NULL) {
407 dbprintf(_("ERROR [%s: unknown program %s]\n"), get_pname(),
409 error(_("ERROR [%s: unknown program %s]"), get_pname(),
413 program = programs[i];
417 datafd = DATA_FD_OFFSET + 0;
418 mesgfd = DATA_FD_OFFSET + 2;
419 indexfd = DATA_FD_OFFSET + 4;
421 if (!dle->create_index)
424 if (dle->auth && amandad_auth) {
425 if(strcasecmp(dle->auth, amandad_auth) != 0) {
426 g_printf(_("ERROR [client configured for auth=%s while server requested '%s']\n"),
427 amandad_auth, dle->auth);
433 g_printf("KENCRYPT\n");
436 g_printf(_("CONNECT DATA %d MESG %d INDEX %d\n"),
437 DATA_FD_OFFSET, DATA_FD_OFFSET+1,
438 indexfd == -1 ? -1 : DATA_FD_OFFSET+2);
439 g_printf(_("OPTIONS "));
440 if(am_has_feature(g_options->features, fe_rep_options_features)) {
441 g_printf("features=%s;", our_feature_string);
443 if(am_has_feature(g_options->features, fe_rep_options_hostname)) {
444 g_printf("hostname=%s;", g_options->hostname);
446 if (!am_has_feature(g_options->features, fe_rep_options_features) &&
447 !am_has_feature(g_options->features, fe_rep_options_hostname)) {
452 if (freopen("/dev/null", "w", stdout) == NULL) {
453 dbprintf(_("Error redirecting stdout to /dev/null: %s\n"),
459 if((datafd = open("/dev/null", O_RDWR)) < 0) {
460 error(_("ERROR [open of /dev/null for debug data stream: %s]\n"),
469 if(datafd == -1 || mesgfd == -1 || (dle->create_index && indexfd == -1)) {
475 if (merge_dles_properties(dle, 1) == 0) {
476 g_debug("merge_dles_properties failed");
479 mesgstream = fdopen(mesgfd,"w");
480 run_client_scripts(EXECUTE_ON_PRE_DLE_BACKUP, g_options, dle, mesgstream);
483 if (dle->program_is_application_api==1) {
488 backup_support_option_t *bsu;
489 char *compopt = NULL;
490 char *encryptopt = skip_argument;
491 int compout, dumpout;
500 /* apply client-side encryption here */
501 if ( dle->encrypt == ENCRYPT_CUST ) {
502 encpid = pipespawn(dle->clnt_encrypt, STDIN_PIPE, 0,
503 &compout, &datafd, &mesgfd,
504 dle->clnt_encrypt, encryptopt, NULL);
505 dbprintf(_("encrypt: pid %ld: %s\n"), (long)encpid, dle->clnt_encrypt);
511 /* now do the client-side compression */
512 if(dle->compress == COMP_FAST || dle->compress == COMP_BEST) {
513 compopt = skip_argument;
514 #if defined(COMPRESS_BEST_OPT) && defined(COMPRESS_FAST_OPT)
515 if(dle->compress == COMP_BEST) {
516 compopt = COMPRESS_BEST_OPT;
518 compopt = COMPRESS_FAST_OPT;
521 comppid = pipespawn(COMPRESS_PATH, STDIN_PIPE, 0,
522 &dumpout, &compout, &mesgfd,
523 COMPRESS_PATH, compopt, NULL);
524 if(compopt != skip_argument) {
525 dbprintf(_("compress pid %ld: %s %s\n"),
526 (long)comppid, COMPRESS_PATH, compopt);
528 dbprintf(_("compress pid %ld: %s\n"), (long)comppid, COMPRESS_PATH);
530 } else if (dle->compress == COMP_CUST) {
531 compopt = skip_argument;
532 comppid = pipespawn(dle->compprog, STDIN_PIPE, 0,
533 &dumpout, &compout, &mesgfd,
534 dle->compprog, compopt, NULL);
535 if(compopt != skip_argument) {
536 dbprintf(_("pid %ld: %s %s\n"),
537 (long)comppid, dle->compprog, compopt);
539 dbprintf(_("pid %ld: %s\n"), (long)comppid, dle->compprog);
546 cur_dumptime = time(0);
547 bsu = backup_support_option(dle->program, g_options, dle->disk,
548 dle->device, &errarray);
553 for (i=0; i < errarray->len; i++) {
554 errmsg = g_ptr_array_index(errarray, i);
555 qerrmsg = quote_string(errmsg);
557 _("sendbackup: error [Application '%s': %s]\n"),
558 dle->program, errmsg);
559 dbprintf("aa: %s\n",qerrmsg);
562 if (i == 0) { /* no errarray */
563 errmsg = vstrallocf(_("Can't execute application '%s'"),
565 qerrmsg = quote_string(errmsg);
566 fdprintf(mesgfd, _("sendbackup: error [%s]\n"), errmsg);
567 dbprintf(_("ERROR %s\n"), qerrmsg);
574 if (pipe(errfd) < 0) {
577 errmsg = vstrallocf(_("Application '%s': can't create pipe"),
579 qerrmsg = quote_string(errmsg);
580 fdprintf(mesgfd, _("sendbackup: error [%s]\n"), errmsg);
581 dbprintf(_("ERROR %s\n"), qerrmsg);
587 switch(application_api_pid=fork()) {
589 argv_ptr = g_ptr_array_new();
590 cmd = vstralloc(APPLICATION_DIR, "/", dle->program, NULL);
591 g_ptr_array_add(argv_ptr, stralloc(dle->program));
592 g_ptr_array_add(argv_ptr, stralloc("backup"));
593 if (bsu->message_line == 1) {
594 g_ptr_array_add(argv_ptr, stralloc("--message"));
595 g_ptr_array_add(argv_ptr, stralloc("line"));
597 if (g_options->config && bsu->config == 1) {
598 g_ptr_array_add(argv_ptr, stralloc("--config"));
599 g_ptr_array_add(argv_ptr, stralloc(g_options->config));
601 if (g_options->hostname && bsu->host == 1) {
602 g_ptr_array_add(argv_ptr, stralloc("--host"));
603 g_ptr_array_add(argv_ptr, stralloc(g_options->hostname));
605 if (dle->disk && bsu->disk == 1) {
606 g_ptr_array_add(argv_ptr, stralloc("--disk"));
607 g_ptr_array_add(argv_ptr, stralloc(dle->disk));
609 g_ptr_array_add(argv_ptr, stralloc("--device"));
610 g_ptr_array_add(argv_ptr, stralloc(dle->device));
611 if (level <= bsu->max_level) {
612 g_ptr_array_add(argv_ptr, stralloc("--level"));
613 g_snprintf(levelstr,19,"%d",level);
614 g_ptr_array_add(argv_ptr, stralloc(levelstr));
616 if (indexfd != -1 && bsu->index_line == 1) {
617 g_ptr_array_add(argv_ptr, stralloc("--index"));
618 g_ptr_array_add(argv_ptr, stralloc("line"));
620 if (dle->record && bsu->record == 1) {
621 g_ptr_array_add(argv_ptr, stralloc("--record"));
623 application_property_add_to_argv(argv_ptr, dle, bsu,
624 g_options->features);
626 for (scriptlist = dle->scriptlist; scriptlist != NULL;
627 scriptlist = scriptlist->next) {
628 script = (script_t *)scriptlist->data;
629 if (script->result && script->result->proplist) {
630 property_add_to_argv(argv_ptr, script->result->proplist);
634 g_ptr_array_add(argv_ptr, NULL);
635 dbprintf(_("%s: running \"%s\n"), get_pname(), cmd);
636 for (j = 1; j < argv_ptr->len - 1; j++)
637 dbprintf(" %s\n", (char *)g_ptr_array_index(argv_ptr,j));
639 if(dup2(dumpout, 1) == -1) {
640 error(_("Can't dup2: %s"),strerror(errno));
643 if (dup2(errfd[1], 2) == -1) {
644 error(_("Can't dup2: %s"),strerror(errno));
647 if(dup2(mesgfd, 3) == -1) {
648 error(_("Can't dup2: %s"),strerror(errno));
652 if(dup2(indexfd, 4) == -1) {
653 error(_("Can't dup2: %s"),strerror(errno));
656 fcntl(indexfd, F_SETFD, 0);
658 application_api_info_tapeheader(mesgfd, dle->program, dle);
664 execve(cmd, (char **)argv_ptr->pdata, safe_env());
671 error(_("%s: fork returned: %s"), get_pname(), strerror(errno));
675 dumperr = fdopen(errfd[0],"r");
677 error(_("Can't fdopen: %s"), strerror(errno));
682 while ((line = agets(dumperr)) != NULL) {
683 if (strlen(line) > 0) {
684 fdprintf(mesgfd, "sendbackup: error [%s]\n", line);
685 dbprintf("error: %s\n", line);
691 result |= check_result(mesgfd);
693 char *amandates_file;
695 amandates_file = getconf_str(CNF_AMANDATES);
696 if(start_amandates(amandates_file, 1)) {
697 amandates_updateone(dle->disk, level, cur_dumptime);
701 if (GPOINTER_TO_INT(dle->estimatelist->data) == ES_CALCSIZE &&
703 error(_("error [opening %s for writing: %s]"),
704 amandates_file, strerror(errno));
706 g_debug(_("non-fatal error opening '%s' for writing: %s]"),
707 amandates_file, strerror(errno));
714 /* redirect stderr */
715 if(dup2(mesgfd, 2) == -1) {
716 dbprintf(_("Error redirecting stderr to fd %d: %s\n"),
717 mesgfd, strerror(errno));
723 if(pipe(mesgpipe) == -1) {
725 dbprintf(_("error [opening mesg pipe: %s]\n"), s);
726 error(_("error [opening mesg pipe: %s]"), s);
729 program->start_backup(dle, g_options->hostname,
730 datafd, mesgpipe[1], indexfd);
731 dbprintf(_("Started backup\n"));
732 parse_backup_messages(dle, mesgpipe[0]);
733 dbprintf(_("Parsed backup messages\n"));
736 run_client_scripts(EXECUTE_ON_POST_DLE_BACKUP, g_options, dle, mesgstream);
743 amfree(our_feature_string);
744 am_release_feature_set(our_features);
746 free_g_options(g_options);
754 g_printf(_("ERROR FORMAT ERROR IN REQUEST PACKET '%s'\n"), err_extra);
755 dbprintf(_("REQ packet is bogus: %s\n"), err_extra);
757 g_printf(_("ERROR FORMAT ERROR IN REQUEST PACKET\n"));
758 dbprintf(_("REQ packet is bogus\n"));
765 amfree(our_feature_string);
773 * Returns a string for a child process. Checks the saved dump and
774 * compress pids to see which it is.
781 if(pid == dumppid) return program->backup_name;
782 if(pid == comppid) return "compress";
783 if(pid == encpid) return "encrypt";
784 if(pid == indexpid) return "index";
785 if(pid == application_api_pid) {
787 dbprintf("gdle == NULL\n");
788 return "gdle == NULL";
790 return gdle->program;
797 * Determine if the child return status really indicates an error.
798 * If so, add the error message to the error string; more than one
799 * child can have an error.
808 char *thiserr = NULL;
816 rc = sig = WTERMSIG(w);
819 rc = ret = WEXITSTATUS(w);
822 if(pid == indexpid) {
824 * Treat an index failure (other than signal) as a "STRANGE"
825 * rather than an error so the dump goes ahead and gets processed
826 * but the failure is noted.
829 fdprintf(mesgfd, _("? index %s returned %d\n"), str, ret);
834 } else if(pid == comppid) {
836 * compress returns 2 sometimes, but it is ok.
845 } else if(pid == dumppid && tarpid == -1) {
847 * Ultrix dump returns 1 sometimes, but it is ok.
849 #ifdef DUMP_RETURNS_1
856 } else if(pid == tarpid) {
861 * tar bitches about active filesystems, but we do not care.
863 #ifdef IGNORE_TAR_ERRORS
868 dumppid = tarpid = -1;
870 } else if(pid == application_api_pid) {
871 strX = "Application";
877 return 0; /* normal exit */
881 thiserr = vstrallocf(_("%s (%d) %s got signal %d"), strX, (int)pid, str,
884 thiserr = vstrallocf(_("%s (%d) %s returned %d"), strX, (int)pid, str, ret);
887 fdprintf(mesgfd, "? %s\n", thiserr);
890 errorstr = newvstrallocf(errorstr, "%s, %s", errorstr, thiserr);
901 *Send header info to the message file.
907 g_fprintf(stderr, "%s: info BACKUP=%s\n", get_pname(), program->backup_name);
909 g_fprintf(stderr, "%s: info RECOVER_CMD=", get_pname());
910 if (dle->compress == COMP_FAST || dle->compress == COMP_BEST)
911 g_fprintf(stderr, "%s %s |", UNCOMPRESS_PATH,
912 #ifdef UNCOMPRESS_OPT
919 g_fprintf(stderr, "%s -xpGf - ...\n", program->restore_name);
921 if (dle->compress == COMP_FAST || dle->compress == COMP_BEST)
922 g_fprintf(stderr, "%s: info COMPRESS_SUFFIX=%s\n",
923 get_pname(), COMPRESS_SUFFIX);
925 g_fprintf(stderr, "%s: info end\n", get_pname());
929 application_api_info_tapeheader(
936 g_snprintf(line, 1024, "%s: info BACKUP=APPLICATION\n", get_pname());
937 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
938 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
942 g_snprintf(line, 1024, "%s: info APPLICATION=%s\n", get_pname(), prog);
943 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
944 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
948 g_snprintf(line, 1024, "%s: info RECOVER_CMD=", get_pname());
949 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
950 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
954 if (dle->compress == COMP_FAST || dle->compress == COMP_BEST) {
955 g_snprintf(line, 1024, "%s %s |", UNCOMPRESS_PATH,
956 #ifdef UNCOMPRESS_OPT
962 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
963 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
967 g_snprintf(line, 1024, "%s/%s restore [./file-to-restore]+\n",
968 APPLICATION_DIR, prog);
969 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
970 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
975 g_snprintf(line, 1024, "%s: info COMPRESS_SUFFIX=%s\n",
976 get_pname(), COMPRESS_SUFFIX);
977 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
978 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
983 g_snprintf(line, 1024, "%s: info end\n", get_pname());
984 if (full_write(mesgfd, line, strlen(line)) != strlen(line)) {
985 dbprintf(_("error writing to mesgfd socket: %s"), strerror(errno));
1001 dbprintf(_("Forking function %s in pipeline\n"), fname);
1003 if(pipe(inpipe) == -1) {
1004 error(_("error [open pipe to %s: %s]"), fname, strerror(errno));
1008 switch(pid = fork()) {
1010 error(_("error [fork %s: %s]"), fname, strerror(errno));
1012 default: /* parent process */
1013 aclose(inpipe[0]); /* close input side of pipe */
1014 *stdinfd = inpipe[1];
1016 case 0: /* child process */
1017 aclose(inpipe[1]); /* close output side of pipe */
1019 if(dup2(inpipe[0], 0) == -1) {
1020 error(_("error [fork %s: dup2(%d, in): %s]"),
1021 fname, inpipe[0], strerror(errno));
1024 if(dup2(stdoutfd, 1) == -1) {
1025 error(_("error [fork %s: dup2(%d, out): %s]"),
1026 fname, stdoutfd, strerror(errno));
1029 if(dup2(stderrfd, 2) == -1) {
1030 error(_("error [fork %s: dup2(%d, err): %s]"),
1031 fname, stderrfd, strerror(errno));
1053 while((wpid = waitpid((pid_t)-1, &retstat, WNOHANG)) > 0) {
1054 if(check_status(wpid, retstat, mesgfd)) goterror = 1;
1057 if (dumppid != -1) {
1059 while((wpid = waitpid((pid_t)-1, &retstat, WNOHANG)) > 0) {
1060 if(check_status(wpid, retstat, mesgfd)) goterror = 1;
1063 if (dumppid != -1) {
1064 dbprintf(_("Sending SIGHUP to dump process %d\n"),
1067 if(kill(dumppid, SIGHUP) == -1) {
1068 dbprintf(_("Can't send SIGHUP to %d: %s\n"),
1074 while((wpid = waitpid((pid_t)-1, &retstat, WNOHANG)) > 0) {
1075 if(check_status(wpid, retstat, mesgfd)) goterror = 1;
1078 if (dumppid != -1) {
1079 dbprintf(_("Sending SIGKILL to dump process %d\n"),
1082 if(kill(dumppid, SIGKILL) == -1) {
1083 dbprintf(_("Can't send SIGKILL to %d: %s\n"),
1089 while((wpid = waitpid((pid_t)-1, &retstat, WNOHANG)) > 0) {
1090 if(check_status(wpid, retstat, mesgfd)) goterror = 1;
1098 parse_backup_messages(
1107 for(; (line = areads(mesgin)) != NULL; free(line)) {
1108 process_dumpline(line);
1112 error(_("error [read mesg pipe: %s]"), strerror(errno));
1116 goterror = check_result(mesgfd);
1119 error(_("error [%s]"), errorstr);
1121 } else if(dump_size == -1) {
1122 error(_("error [no backup size line]"));
1126 program->end_backup(dle, goterror);
1128 fdprintf(mesgfd, _("%s: size %ld\n"), get_pname(), dump_size);
1129 fdprintf(mesgfd, _("%s: end\n"), get_pname());
1141 for(rp = program->re_table; rp->regex != NULL; rp++) {
1142 if(match(rp->regex, str)) {
1146 if(rp->typ == DMP_SIZE) {
1147 dump_size = (long)((the_num(str, rp->field)* rp->scale+1023.0)/1024.0);
1168 * Should never get here.
1174 dbprintf("%3d: %7s(%c): %s\n",
1179 fdprintf(mesgfd, "%c %s\n", startchr, str);
1184 * start_index. Creates an index file from the output of dump/tar.
1185 * It arranges that input is the fd to be written by the dump process.
1186 * If createindex is not enabled, it does nothing. If it is not, a
1187 * new process will be created that tees input both to a pipe whose
1188 * read fd is dup2'ed input and to a program that outputs an index
1191 * make sure that the chat from restore doesn't go to stderr cause
1192 * this goes back to amanda which doesn't expect to see it
1193 * (2>/dev/null should do it)
1195 * Originally by Alan M. McIvor, 13 April 1996
1197 * Adapted by Alexandre Oliva, 1 May 1997
1199 * This program owes a lot to tee.c from GNU sh-utils and dumptee.c
1200 * from the DeeJay backup package.
1210 while (*fd >= 0 && *fd < min) {
1211 int newfd = dup(*fd);
1213 dbprintf(_("Unable to save file descriptor [%s]\n"), strerror(errno));
1217 dbprintf(_("Dupped file descriptor %i to %i\n"), origfd, *fd);
1235 if (pipe(pipefd) != 0) {
1236 error(_("creating index pipe: %s"), strerror(errno));
1240 switch(indexpid = fork()) {
1242 error(_("forking index tee process: %s"), strerror(errno));
1247 if (dup2(pipefd[1], input) == -1) {
1248 error(_("dup'ping index tee output: %s"), strerror(errno));
1258 /* now in a child process */
1259 save_fd(&pipefd[0], 4);
1267 for(index = 4; index < (int)FD_SETSIZE; index++) {
1268 if (index != dbfd()) {
1273 if ((pipe_fp = popen(cmd, "w")) == NULL) {
1274 error(_("couldn't start index creator [%s]"), strerror(errno));
1278 dbprintf(_("Started index creator: \"%s\"\n"), cmd);
1280 char buffer[BUFSIZ], *ptr;
1282 size_t bytes_written;
1283 size_t just_written;
1286 bytes_read = read(0, buffer, SIZEOF(buffer));
1287 } while ((bytes_read < 0) && ((errno == EINTR) || (errno == EAGAIN)));
1289 if (bytes_read < 0) {
1290 error(_("index tee cannot read [%s]"), strerror(errno));
1294 if (bytes_read == 0)
1295 break; /* finished */
1297 /* write the stuff to the subprocess */
1300 just_written = full_write(fileno(pipe_fp), ptr, (size_t)bytes_read);
1301 if (just_written < (size_t)bytes_read) {
1303 * just as we waited for write() to complete.
1305 if (errno != EPIPE) {
1306 dbprintf(_("Index tee cannot write to index creator [%s]\n"),
1310 bytes_written += just_written;
1311 ptr += just_written;
1314 /* write the stuff to stdout, ensuring none lost when interrupt
1318 just_written = full_write(3, ptr, bytes_read);
1319 if (just_written < (size_t)bytes_read) {
1320 error(_("index tee cannot write [%s]"), strerror(errno));
1323 bytes_written += just_written;
1324 ptr += just_written;
1331 /* check the exit code of the pipe and moan if not 0 */
1332 if ((exitcode = pclose(pipe_fp)) != 0) {
1333 char *exitstr = str_exit_status("Index pipe", exitcode);
1334 dbprintf("%s\n", exitstr);
1337 dbprintf(_("Index created successfully\n"));
1344 extern backup_program_t dump_program, gnutar_program;
1346 backup_program_t *programs[] = {
1347 &dump_program, &gnutar_program, NULL