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- Committer: teddy at bsnet
- Date: 2010-08-24 18:18:01 UTC
- mto: (24.1.154 mandos)
- mto: This revision was merged to the branch mainline in revision 421.
- Revision ID: teddy@fukt.bsnet.se-20100824181801-n798wxs117trv8iu
* mandos: Use logging.getLogger() as in the documentation.
* mandos-monitor: Suppress logging from dbus.proxies.
* mandos-monitor: Suppress logging from dbus.proxies.
- files removed:
- DBUS-API
- debian/source
- network-hooks.d
- files modified:
- .bzrignore
added
removed
plugin-runner.c
2
2
/*
3
3
* Mandos plugin runner - Run Mandos plugins
4
4
*
5
* Copyright © 2008-2013 Teddy Hogeborn
6
* Copyright © 2008-2013 Björn Påhlsson
5
* Copyright © 2008,2009 Teddy Hogeborn
6
* Copyright © 2008,2009 Björn Påhlsson
7
7
*
8
8
* This program is free software: you can redistribute it and/or
9
9
* modify it under the terms of the GNU General Public License as
19
19
* along with this program. If not, see
20
20
* <http://www.gnu.org/licenses/>.
21
21
*
22
* Contact the authors at <mandos@recompile.se>.
22
* Contact the authors at <mandos@fukt.bsnet.se>.
23
23
*/
24
24
25
25
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), getline(),
28
28
#include <stdlib.h> /* malloc(), exit(), EXIT_SUCCESS,
29
29
realloc() */
30
30
#include <stdbool.h> /* bool, true, false */
31
#include <stdio.h> /* fileno(), fprintf(),
31
#include <stdio.h> /* perror, fileno(), fprintf(),
32
32
stderr, STDOUT_FILENO */
33
33
#include <sys/types.h> /* DIR, fdopendir(), stat(), struct
34
34
stat, waitpid(), WIFEXITED(),
70
70
#include <inttypes.h> /* intmax_t, PRIdMAX, strtoimax() */
71
71
#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_IOERR,
72
72
EX_CONFIG, EX_UNAVAILABLE, EX_OK */
73
#include <errno.h> /* errno */
74
#include <error.h> /* error() */
75
73
76
74
#define BUFFER_SIZE 256
77
75
79
77
#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
80
78
81
79
const char *argp_program_version = "plugin-runner " VERSION;
82
const char *argp_program_bug_address = "<mandos@recompile.se>";
80
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
83
81
84
82
typedef struct plugin{
85
83
char *name; /* can be NULL or any plugin name */
171
169
}
172
170
173
171
/* Helper function for add_argument and add_environment */
174
__attribute__((nonnull))
175
172
static bool add_to_char_array(const char *new, char ***array,
176
173
int *len){
177
174
/* Resize the pointed-to array to hold one more pointer */
178
char **new_array = NULL;
179
175
do {
180
new_array = realloc(*array, sizeof(char *)
181
* (size_t) ((*len) + 2));
182
} while(new_array == NULL and errno == EINTR);
176
*array = realloc(*array, sizeof(char *)
177
* (size_t) ((*len) + 2));
178
} while(*array == NULL and errno == EINTR);
183
179
/* Malloc check */
184
if(new_array == NULL){
180
if(*array == NULL){
185
181
return false;
186
182
}
187
*array = new_array;
188
183
/* Make a copy of the new string */
189
184
char *copy;
190
185
do {
202
197
}
203
198
204
199
/* Add to a plugin's argument vector */
205
__attribute__((nonnull(2)))
206
200
static bool add_argument(plugin *p, const char *arg){
207
201
if(p == NULL){
208
202
return false;
211
205
}
212
206
213
207
/* Add to a plugin's environment */
214
__attribute__((nonnull(2)))
215
208
static bool add_environment(plugin *p, const char *def, bool replace){
216
209
if(p == NULL){
217
210
return false;
219
212
/* namelen = length of name of environment variable */
220
213
size_t namelen = (size_t)(strchrnul(def, '=') - def);
221
214
/* Search for this environment variable */
222
for(char **envdef = p->environ; *envdef != NULL; envdef++){
223
if(strncmp(*envdef, def, namelen + 1) == 0){
215
for(char **e = p->environ; *e != NULL; e++){
216
if(strncmp(*e, def, namelen + 1) == 0){
224
217
/* It already exists */
225
218
if(replace){
226
char *new_envdef;
219
char *new;
227
220
do {
228
new_envdef = realloc(*envdef, strlen(def) + 1);
229
} while(new_envdef == NULL and errno == EINTR);
230
if(new_envdef == NULL){
221
new = realloc(*e, strlen(def) + 1);
222
} while(new == NULL and errno == EINTR);
223
if(new == NULL){
231
224
return false;
232
225
}
233
*envdef = new_envdef;
234
strcpy(*envdef, def);
226
*e = new;
227
strcpy(*e, def);
235
228
}
236
229
return true;
237
230
}
273
266
/* No child processes */
274
267
break;
275
268
}
276
error(0, errno, "waitpid");
269
perror("waitpid");
277
270
}
278
271
279
272
/* A child exited, find it in process_list */
291
284
}
292
285
293
286
/* Prints out a password to stdout */
294
__attribute__((nonnull))
295
287
static bool print_out_password(const char *buffer, size_t length){
296
288
ssize_t ret;
297
289
for(size_t written = 0; written < length; written += (size_t)ret){
305
297
}
306
298
307
299
/* Removes and free a plugin from the plugin list */
308
__attribute__((nonnull))
309
300
static void free_plugin(plugin *plugin_node){
310
301
311
302
for(char **arg = plugin_node->argv; *arg != NULL; arg++){
366
357
sigemptyset(&sigchld_action.sa_mask);
367
358
ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
368
359
if(ret == -1){
369
error(0, errno, "sigaddset");
360
perror("sigaddset");
370
361
exitstatus = EX_OSERR;
371
362
goto fallback;
372
363
}
373
364
ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
374
365
if(ret == -1){
375
error(0, errno, "sigaction");
366
perror("sigaction");
376
367
exitstatus = EX_OSERR;
377
368
goto fallback;
378
369
}
423
414
{ .name = NULL }
424
415
};
425
416
426
__attribute__((nonnull(3)))
427
417
error_t parse_opt(int key, char *arg, struct argp_state *state){
428
418
errno = 0;
429
419
switch(key){
430
420
char *tmp;
431
intmax_t tmp_id;
421
intmax_t tmpmax;
432
422
case 'g': /* --global-options */
433
423
{
434
424
char *plugin_option;
507
497
/* This is already done by parse_opt_config_file() */
508
498
break;
509
499
case 130: /* --userid */
510
tmp_id = strtoimax(arg, &tmp, 10);
500
tmpmax = strtoimax(arg, &tmp, 10);
511
501
if(errno != 0 or tmp == arg or *tmp != '\0'
512
or tmp_id != (uid_t)tmp_id){
502
or tmpmax != (uid_t)tmpmax){
513
503
argp_error(state, "Bad user ID number: \"%s\", using %"
514
504
PRIdMAX, arg, (intmax_t)uid);
515
505
break;
516
506
}
517
uid = (uid_t)tmp_id;
507
uid = (uid_t)tmpmax;
518
508
break;
519
509
case 131: /* --groupid */
520
tmp_id = strtoimax(arg, &tmp, 10);
510
tmpmax = strtoimax(arg, &tmp, 10);
521
511
if(errno != 0 or tmp == arg or *tmp != '\0'
522
or tmp_id != (gid_t)tmp_id){
512
or tmpmax != (gid_t)tmpmax){
523
513
argp_error(state, "Bad group ID number: \"%s\", using %"
524
514
PRIdMAX, arg, (intmax_t)gid);
525
515
break;
526
516
}
527
gid = (gid_t)tmp_id;
517
gid = (gid_t)tmpmax;
528
518
break;
529
519
case 132: /* --debug */
530
520
debug = true;
609
599
case ENOMEM:
610
600
default:
611
601
errno = ret;
612
error(0, errno, "argp_parse");
602
perror("argp_parse");
613
603
exitstatus = EX_OSERR;
614
604
goto fallback;
615
605
case EINVAL:
636
626
custom_argc = 1;
637
627
custom_argv = malloc(sizeof(char*) * 2);
638
628
if(custom_argv == NULL){
639
error(0, errno, "malloc");
629
perror("malloc");
640
630
exitstatus = EX_OSERR;
641
631
goto fallback;
642
632
}
659
649
}
660
650
new_arg = strdup(p);
661
651
if(new_arg == NULL){
662
error(0, errno, "strdup");
652
perror("strdup");
663
653
exitstatus = EX_OSERR;
664
654
free(org_line);
665
655
goto fallback;
666
656
}
667
657
668
658
custom_argc += 1;
669
{
670
char **new_argv = realloc(custom_argv, sizeof(char *)
671
* ((unsigned int)
672
custom_argc + 1));
673
if(new_argv == NULL){
674
error(0, errno, "realloc");
675
exitstatus = EX_OSERR;
676
free(new_arg);
677
free(org_line);
678
goto fallback;
679
} else {
680
custom_argv = new_argv;
681
}
659
custom_argv = realloc(custom_argv, sizeof(char *)
660
* ((unsigned int) custom_argc + 1));
661
if(custom_argv == NULL){
662
perror("realloc");
663
exitstatus = EX_OSERR;
664
free(org_line);
665
goto fallback;
682
666
}
683
667
custom_argv[custom_argc-1] = new_arg;
684
668
custom_argv[custom_argc] = NULL;
688
672
ret = fclose(conffp);
689
673
} while(ret == EOF and errno == EINTR);
690
674
if(ret == EOF){
691
error(0, errno, "fclose");
675
perror("fclose");
692
676
exitstatus = EX_IOERR;
693
677
goto fallback;
694
678
}
697
681
/* Check for harmful errors and go to fallback. Other errors might
698
682
not affect opening plugins */
699
683
if(errno == EMFILE or errno == ENFILE or errno == ENOMEM){
700
error(0, errno, "fopen");
684
perror("fopen");
701
685
exitstatus = EX_OSERR;
702
686
goto fallback;
703
687
}
714
698
case ENOMEM:
715
699
default:
716
700
errno = ret;
717
error(0, errno, "argp_parse");
701
perror("argp_parse");
718
702
exitstatus = EX_OSERR;
719
703
goto fallback;
720
704
case EINVAL:
734
718
case ENOMEM:
735
719
default:
736
720
errno = ret;
737
error(0, errno, "argp_parse");
721
perror("argp_parse");
738
722
exitstatus = EX_OSERR;
739
723
goto fallback;
740
724
case EINVAL:
756
740
}
757
741
}
758
742
759
if(getuid() == 0){
760
/* Work around Debian bug #633582:
761
<http://bugs.debian.org/633582> */
762
int plugindir_fd = open(/* plugindir or */ PDIR, O_RDONLY);
763
if(plugindir_fd == -1){
764
error(0, errno, "open");
765
} else {
766
ret = (int)TEMP_FAILURE_RETRY(fstat(plugindir_fd, &st));
767
if(ret == -1){
768
error(0, errno, "fstat");
769
} else {
770
if(S_ISDIR(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
771
ret = fchown(plugindir_fd, uid, gid);
772
if(ret == -1){
773
error(0, errno, "fchown");
774
}
775
}
776
}
777
TEMP_FAILURE_RETRY(close(plugindir_fd));
778
}
779
}
780
781
/* Lower permissions */
782
ret = setgid(gid);
743
/* Strip permissions down to nobody */
744
setgid(gid);
783
745
if(ret == -1){
784
error(0, errno, "setgid");
746
perror("setgid");
785
747
}
786
748
ret = setuid(uid);
787
749
if(ret == -1){
788
error(0, errno, "setuid");
750
perror("setuid");
789
751
}
790
752
791
753
/* Open plugin directory with close_on_exec flag */
809
771
);
810
772
}
811
773
if(dir_fd == -1){
812
error(0, errno, "Could not open plugin dir");
774
perror("Could not open plugin dir");
813
775
exitstatus = EX_UNAVAILABLE;
814
776
goto fallback;
815
777
}
818
780
/* Set the FD_CLOEXEC flag on the directory */
819
781
ret = set_cloexec_flag(dir_fd);
820
782
if(ret < 0){
821
error(0, errno, "set_cloexec_flag");
783
perror("set_cloexec_flag");
822
784
TEMP_FAILURE_RETRY(close(dir_fd));
823
785
exitstatus = EX_OSERR;
824
786
goto fallback;
827
789
828
790
dir = fdopendir(dir_fd);
829
791
if(dir == NULL){
830
error(0, errno, "Could not open plugin dir");
792
perror("Could not open plugin dir");
831
793
TEMP_FAILURE_RETRY(close(dir_fd));
832
794
exitstatus = EX_OSERR;
833
795
goto fallback;
845
807
/* All directory entries have been processed */
846
808
if(dirst == NULL){
847
809
if(errno == EBADF){
848
error(0, errno, "readdir");
810
perror("readdir");
849
811
exitstatus = EX_IOERR;
850
812
goto fallback;
851
813
}
858
820
{
859
821
bool bad_name = false;
860
822
861
const char * const bad_prefixes[] = { ".", "#", NULL };
823
const char const *bad_prefixes[] = { ".", "#", NULL };
862
824
863
const char * const bad_suffixes[] = { "~", "#", ".dpkg-new",
825
const char const *bad_suffixes[] = { "~", "#", ".dpkg-new",
864
826
".dpkg-old",
865
827
".dpkg-bak",
866
828
".dpkg-divert", NULL };
867
#ifdef __GNUC__
868
#pragma GCC diagnostic push
869
#pragma GCC diagnostic ignored "-Wcast-qual"
870
#endif
871
for(const char **pre = (const char **)bad_prefixes;
872
*pre != NULL; pre++){
873
#ifdef __GNUC__
874
#pragma GCC diagnostic pop
875
#endif
829
for(const char **pre = bad_prefixes; *pre != NULL; pre++){
876
830
size_t pre_len = strlen(*pre);
877
831
if((d_name_len >= pre_len)
878
832
and strncmp((dirst->d_name), *pre, pre_len) == 0){
887
841
if(bad_name){
888
842
continue;
889
843
}
890
#ifdef __GNUC__
891
#pragma GCC diagnostic push
892
#pragma GCC diagnostic ignored "-Wcast-qual"
893
#endif
894
for(const char **suf = (const char **)bad_suffixes;
895
*suf != NULL; suf++){
896
#ifdef __GNUC__
897
#pragma GCC diagnostic pop
898
#endif
844
for(const char **suf = bad_suffixes; *suf != NULL; suf++){
899
845
size_t suf_len = strlen(*suf);
900
846
if((d_name_len >= suf_len)
901
847
and (strcmp((dirst->d_name) + d_name_len-suf_len, *suf)
924
870
dirst->d_name));
925
871
}
926
872
if(ret < 0){
927
error(0, errno, "asprintf");
873
perror("asprintf");
928
874
continue;
929
875
}
930
876
931
877
ret = (int)TEMP_FAILURE_RETRY(stat(filename, &st));
932
878
if(ret == -1){
933
error(0, errno, "stat");
879
perror("stat");
934
880
free(filename);
935
881
continue;
936
882
}
948
894
949
895
plugin *p = getplugin(dirst->d_name);
950
896
if(p == NULL){
951
error(0, errno, "getplugin");
897
perror("getplugin");
952
898
free(filename);
953
899
continue;
954
900
}
966
912
if(g != NULL){
967
913
for(char **a = g->argv + 1; *a != NULL; a++){
968
914
if(not add_argument(p, *a)){
969
error(0, errno, "add_argument");
915
perror("add_argument");
970
916
}
971
917
}
972
918
/* Add global environment variables */
973
919
for(char **e = g->environ; *e != NULL; e++){
974
920
if(not add_environment(p, *e, false)){
975
error(0, errno, "add_environment");
921
perror("add_environment");
976
922
}
977
923
}
978
924
}
983
929
if(p->environ[0] != NULL){
984
930
for(char **e = environ; *e != NULL; e++){
985
931
if(not add_environment(p, *e, false)){
986
error(0, errno, "add_environment");
932
perror("add_environment");
987
933
}
988
934
}
989
935
}
991
937
int pipefd[2];
992
938
ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
993
939
if(ret == -1){
994
error(0, errno, "pipe");
940
perror("pipe");
995
941
exitstatus = EX_OSERR;
996
942
goto fallback;
997
943
}
998
944
/* Ask OS to automatic close the pipe on exec */
999
945
ret = set_cloexec_flag(pipefd[0]);
1000
946
if(ret < 0){
1001
error(0, errno, "set_cloexec_flag");
947
perror("set_cloexec_flag");
1002
948
exitstatus = EX_OSERR;
1003
949
goto fallback;
1004
950
}
1005
951
ret = set_cloexec_flag(pipefd[1]);
1006
952
if(ret < 0){
1007
error(0, errno, "set_cloexec_flag");
953
perror("set_cloexec_flag");
1008
954
exitstatus = EX_OSERR;
1009
955
goto fallback;
1010
956
}
1013
959
&sigchld_action.sa_mask,
1014
960
NULL));
1015
961
if(ret < 0){
1016
error(0, errno, "sigprocmask");
962
perror("sigprocmask");
1017
963
exitstatus = EX_OSERR;
1018
964
goto fallback;
1019
965
}
1023
969
pid = fork();
1024
970
} while(pid == -1 and errno == EINTR);
1025
971
if(pid == -1){
1026
error(0, errno, "fork");
972
perror("fork");
1027
973
exitstatus = EX_OSERR;
1028
974
goto fallback;
1029
975
}
1031
977
/* this is the child process */
1032
978
ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
1033
979
if(ret < 0){
1034
error(0, errno, "sigaction");
980
perror("sigaction");
1035
981
_exit(EX_OSERR);
1036
982
}
1037
983
ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
1038
984
if(ret < 0){
1039
error(0, errno, "sigprocmask");
985
perror("sigprocmask");
1040
986
_exit(EX_OSERR);
1041
987
}
1042
988
1043
989
ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
1044
990
if(ret == -1){
1045
error(0, errno, "dup2");
991
perror("dup2");
1046
992
_exit(EX_OSERR);
1047
993
}
1048
994
1053
999
}
1054
1000
if(p->environ[0] == NULL){
1055
1001
if(execv(filename, p->argv) < 0){
1056
error(0, errno, "execv for %s", filename);
1002
perror("execv");
1057
1003
_exit(EX_OSERR);
1058
1004
}
1059
1005
} else {
1060
1006
if(execve(filename, p->argv, p->environ) < 0){
1061
error(0, errno, "execve for %s", filename);
1007
perror("execve");
1062
1008
_exit(EX_OSERR);
1063
1009
}
1064
1010
}
1070
1016
free(filename);
1071
1017
plugin *new_plugin = getplugin(dirst->d_name);
1072
1018
if(new_plugin == NULL){
1073
error(0, errno, "getplugin");
1019
perror("getplugin");
1074
1020
ret = (int)(TEMP_FAILURE_RETRY
1075
1021
(sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
1076
1022
NULL)));
1077
1023
if(ret < 0){
1078
error(0, errno, "sigprocmask");
1024
perror("sigprocmask");
1079
1025
}
1080
1026
exitstatus = EX_OSERR;
1081
1027
goto fallback;
1090
1036
&sigchld_action.sa_mask,
1091
1037
NULL));
1092
1038
if(ret < 0){
1093
error(0, errno, "sigprocmask");
1039
perror("sigprocmask");
1094
1040
exitstatus = EX_OSERR;
1095
1041
goto fallback;
1096
1042
}
1097
1043
1098
#if defined (__GNUC__) and defined (__GLIBC__)
1099
#if not __GLIBC_PREREQ(2, 16)
1100
#pragma GCC diagnostic push
1101
#pragma GCC diagnostic ignored "-Wsign-conversion"
1102
#endif
1103
#endif
1104
1044
FD_SET(new_plugin->fd, &rfds_all); /* Spurious warning from
1105
-Wconversion in GNU libc
1106
before 2.16 */
1107
#if defined (__GNUC__) and defined (__GLIBC__)
1108
#if not __GLIBC_PREREQ(2, 16)
1109
#pragma GCC diagnostic pop
1110
#endif
1111
#endif
1045
-Wconversion */
1112
1046
1113
1047
if(maxfd < new_plugin->fd){
1114
1048
maxfd = new_plugin->fd;
1135
1069
fd_set rfds = rfds_all;
1136
1070
int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
1137
1071
if(select_ret == -1 and errno != EINTR){
1138
error(0, errno, "select");
1072
perror("select");
1139
1073
exitstatus = EX_OSERR;
1140
1074
goto fallback;
1141
1075
}
1168
1102
}
1169
1103
1170
1104
/* Remove the plugin */
1171
#if defined (__GNUC__) and defined (__GLIBC__)
1172
#if not __GLIBC_PREREQ(2, 16)
1173
#pragma GCC diagnostic push
1174
#pragma GCC diagnostic ignored "-Wsign-conversion"
1175
#endif
1176
#endif
1177
1105
FD_CLR(proc->fd, &rfds_all); /* Spurious warning from
1178
-Wconversion in GNU libc
1179
before 2.16 */
1180
#if defined (__GNUC__) and defined (__GLIBC__)
1181
#if not __GLIBC_PREREQ(2, 16)
1182
#pragma GCC diagnostic pop
1183
#endif
1184
#endif
1106
-Wconversion */
1185
1107
1186
1108
/* Block signal while modifying process_list */
1187
1109
ret = (int)TEMP_FAILURE_RETRY(sigprocmask
1189
1111
&sigchld_action.sa_mask,
1190
1112
NULL));
1191
1113
if(ret < 0){
1192
error(0, errno, "sigprocmask");
1114
perror("sigprocmask");
1193
1115
exitstatus = EX_OSERR;
1194
1116
goto fallback;
1195
1117
}
1203
1125
(sigprocmask(SIG_UNBLOCK,
1204
1126
&sigchld_action.sa_mask, NULL)));
1205
1127
if(ret < 0){
1206
error(0, errno, "sigprocmask");
1128
perror("sigprocmask");
1207
1129
exitstatus = EX_OSERR;
1208
1130
goto fallback;
1209
1131
}
1220
1142
bool bret = print_out_password(proc->buffer,
1221
1143
proc->buffer_length);
1222
1144
if(not bret){
1223
error(0, errno, "print_out_password");
1145
perror("print_out_password");
1224
1146
exitstatus = EX_IOERR;
1225
1147
}
1226
1148
goto fallback;
1227
1149
}
1228
1150
1229
1151
/* This process has not completed. Does it have any output? */
1230
#if defined (__GNUC__) and defined (__GLIBC__)
1231
#if not __GLIBC_PREREQ(2, 16)
1232
#pragma GCC diagnostic push
1233
#pragma GCC diagnostic ignored "-Wsign-conversion"
1234
#endif
1235
#endif
1236
1152
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){ /* Spurious
1237
1153
warning from
1238
-Wconversion
1239
in GNU libc
1240
before
1241
2.16 */
1242
#if defined (__GNUC__) and defined (__GLIBC__)
1243
#if not __GLIBC_PREREQ(2, 16)
1244
#pragma GCC diagnostic pop
1245
#endif
1246
#endif
1154
-Wconversion */
1247
1155
/* This process had nothing to say at this time */
1248
1156
proc = proc->next;
1249
1157
continue;
1250
1158
}
1251
1159
/* Before reading, make the process' data buffer large enough */
1252
1160
if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
1253
char *new_buffer = realloc(proc->buffer, proc->buffer_size
1254
+ (size_t) BUFFER_SIZE);
1255
if(new_buffer == NULL){
1256
error(0, errno, "malloc");
1161
proc->buffer = realloc(proc->buffer, proc->buffer_size
1162
+ (size_t) BUFFER_SIZE);
1163
if(proc->buffer == NULL){
1164
perror("malloc");
1257
1165
exitstatus = EX_OSERR;
1258
1166
goto fallback;
1259
1167
}
1260
proc->buffer = new_buffer;
1261
1168
proc->buffer_size += BUFFER_SIZE;
1262
1169
}
1263
1170
/* Read from the process */
1297
1204
}
1298
1205
bret = print_out_password(passwordbuffer, len);
1299
1206
if(not bret){
1300
error(0, errno, "print_out_password");
1207
perror("print_out_password");
1301
1208
exitstatus = EX_IOERR;
1302
1209
}
1303
1210
}
1305
1212
/* Restore old signal handler */
1306
1213
ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
1307
1214
if(ret == -1){
1308
error(0, errno, "sigaction");
1215
perror("sigaction");
1309
1216
exitstatus = EX_OSERR;
1310
1217
}
1311
1218
1327
1234
ret = kill(p->pid, SIGTERM);
1328
1235
if(ret == -1 and errno != ESRCH){
1329
1236
/* Set-uid proccesses might not get closed */
1330
error(0, errno, "kill");
1237
perror("kill");
1331
1238
}
1332
1239
}
1333
1240
}
1337
1244
ret = wait(NULL);
1338
1245
} while(ret >= 0);
1339
1246
if(errno != ECHILD){
1340
error(0, errno, "wait");
1247
perror("wait");
1341
1248
}
1342
1249
1343
1250
free_plugin_list();
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0