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- Committer: Teddy Hogeborn
- Date: 2014-03-01 09:51:07 UTC
- Revision ID: teddy@recompile.se-20140301095107-wfcwbmol2a71d3xz
* mandos-keygen (keygen): Add workaround for Debian bug #737128.
- files added:
- debian/upstream-signing-key.pgp
- files removed:
- debian/upstream
- files modified:
- INSTALL
added
removed
plugin-runner.c
2
2
/*
3
3
* Mandos plugin runner - Run Mandos plugins
4
4
*
5
* Copyright © 2008-2014 Teddy Hogeborn
6
* Copyright © 2008-2014 Björn Påhlsson
5
* Copyright © 2008-2013 Teddy Hogeborn
6
* Copyright © 2008-2013 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
23
23
*/
24
24
25
25
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), getline(),
26
O_CLOEXEC, pipe2() */
26
asprintf(), O_CLOEXEC */
27
27
#include <stddef.h> /* size_t, NULL */
28
28
#include <stdlib.h> /* malloc(), exit(), EXIT_SUCCESS,
29
29
realloc() */
30
30
#include <stdbool.h> /* bool, true, false */
31
31
#include <stdio.h> /* fileno(), fprintf(),
32
stderr, STDOUT_FILENO, fclose() */
33
#include <sys/types.h> /* fstat(), struct stat, waitpid(),
34
WIFEXITED(), WEXITSTATUS(), wait(),
35
pid_t, uid_t, gid_t, getuid(),
36
getgid() */
32
stderr, STDOUT_FILENO */
33
#include <sys/types.h> /* DIR, fdopendir(), stat(), struct
34
stat, waitpid(), WIFEXITED(),
35
WEXITSTATUS(), wait(), pid_t,
36
uid_t, gid_t, getuid(), getgid(),
37
dirfd() */
37
38
#include <sys/select.h> /* fd_set, select(), FD_ZERO(),
38
39
FD_SET(), FD_ISSET(), FD_CLR */
39
40
#include <sys/wait.h> /* wait(), waitpid(), WIFEXITED(),
40
41
WEXITSTATUS(), WTERMSIG(),
41
42
WCOREDUMP() */
42
#include <sys/stat.h> /* struct stat, fstat(), S_ISREG() */
43
#include <sys/stat.h> /* struct stat, stat(), S_ISREG() */
43
44
#include <iso646.h> /* and, or, not */
44
#include <dirent.h> /* struct dirent, scandirat() */
45
#include <unistd.h> /* fcntl(), F_GETFD, F_SETFD,
46
FD_CLOEXEC, write(), STDOUT_FILENO,
47
struct stat, fstat(), close(),
48
setgid(), setuid(), S_ISREG(),
49
faccessat() pipe2(), fork(),
50
_exit(), dup2(), fexecve(), read()
51
*/
45
#include <dirent.h> /* DIR, struct dirent, fdopendir(),
46
readdir(), closedir(), dirfd() */
47
#include <unistd.h> /* struct stat, stat(), S_ISREG(),
48
fcntl(), setuid(), setgid(),
49
F_GETFD, F_SETFD, FD_CLOEXEC,
50
access(), pipe(), fork(), close()
51
dup2(), STDOUT_FILENO, _exit(),
52
execv(), write(), read(),
53
close() */
52
54
#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
53
FD_CLOEXEC, openat(), scandirat(),
54
pipe2() */
55
#include <string.h> /* strsep, strlen(), strsignal(),
56
strcmp(), strncmp() */
55
FD_CLOEXEC */
56
#include <string.h> /* strsep, strlen(), asprintf(),
57
strsignal(), strcmp(), strncmp() */
57
58
#include <errno.h> /* errno */
58
59
#include <argp.h> /* struct argp_option, struct
59
60
argp_state, struct argp,
71
72
EX_CONFIG, EX_UNAVAILABLE, EX_OK */
72
73
#include <errno.h> /* errno */
73
74
#include <error.h> /* error() */
74
#include <fnmatch.h> /* fnmatch() */
75
75
76
76
#define BUFFER_SIZE 256
77
77
105
105
106
106
/* Gets an existing plugin based on name,
107
107
or if none is found, creates a new one */
108
__attribute__((warn_unused_result))
109
108
static plugin *getplugin(char *name){
110
109
/* Check for existing plugin with that name */
111
110
for(plugin *p = plugin_list; p != NULL; p = p->next){
172
171
}
173
172
174
173
/* Helper function for add_argument and add_environment */
175
__attribute__((nonnull, warn_unused_result))
174
__attribute__((nonnull))
176
175
static bool add_to_char_array(const char *new, char ***array,
177
176
int *len){
178
177
/* Resize the pointed-to array to hold one more pointer */
179
char **new_array = NULL;
180
178
do {
181
new_array = realloc(*array, sizeof(char *)
182
* (size_t) ((*len) + 2));
183
} while(new_array == NULL and errno == EINTR);
179
*array = realloc(*array, sizeof(char *)
180
* (size_t) ((*len) + 2));
181
} while(*array == NULL and errno == EINTR);
184
182
/* Malloc check */
185
if(new_array == NULL){
183
if(*array == NULL){
186
184
return false;
187
185
}
188
*array = new_array;
189
186
/* Make a copy of the new string */
190
187
char *copy;
191
188
do {
203
200
}
204
201
205
202
/* Add to a plugin's argument vector */
206
__attribute__((nonnull(2), warn_unused_result))
203
__attribute__((nonnull(2)))
207
204
static bool add_argument(plugin *p, const char *arg){
208
205
if(p == NULL){
209
206
return false;
212
209
}
213
210
214
211
/* Add to a plugin's environment */
215
__attribute__((nonnull(2), warn_unused_result))
212
__attribute__((nonnull(2)))
216
213
static bool add_environment(plugin *p, const char *def, bool replace){
217
214
if(p == NULL){
218
215
return false;
220
217
/* namelen = length of name of environment variable */
221
218
size_t namelen = (size_t)(strchrnul(def, '=') - def);
222
219
/* Search for this environment variable */
223
for(char **envdef = p->environ; *envdef != NULL; envdef++){
224
if(strncmp(*envdef, def, namelen + 1) == 0){
220
for(char **e = p->environ; *e != NULL; e++){
221
if(strncmp(*e, def, namelen + 1) == 0){
225
222
/* It already exists */
226
223
if(replace){
227
char *new_envdef;
224
char *new;
228
225
do {
229
new_envdef = realloc(*envdef, strlen(def) + 1);
230
} while(new_envdef == NULL and errno == EINTR);
231
if(new_envdef == NULL){
226
new = realloc(*e, strlen(def) + 1);
227
} while(new == NULL and errno == EINTR);
228
if(new == NULL){
232
229
return false;
233
230
}
234
*envdef = new_envdef;
235
strcpy(*envdef, def);
231
*e = new;
232
strcpy(*e, def);
236
233
}
237
234
return true;
238
235
}
240
237
return add_to_char_array(def, &(p->environ), &(p->envc));
241
238
}
242
239
243
#ifndef O_CLOEXEC
244
240
/*
245
241
* Based on the example in the GNU LibC manual chapter 13.13 "File
246
242
* Descriptor Flags".
247
243
| [[info:libc:Descriptor%20Flags][File Descriptor Flags]] |
248
244
*/
249
__attribute__((warn_unused_result))
250
245
static int set_cloexec_flag(int fd){
251
246
int ret = (int)TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
252
247
/* If reading the flags failed, return error indication now. */
257
252
return (int)TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD,
258
253
ret | FD_CLOEXEC));
259
254
}
260
#endif /* not O_CLOEXEC */
261
255
262
256
263
257
/* Mark processes as completed when they exit, and save their exit
295
289
}
296
290
297
291
/* Prints out a password to stdout */
298
__attribute__((nonnull, warn_unused_result))
292
__attribute__((nonnull))
299
293
static bool print_out_password(const char *buffer, size_t length){
300
294
ssize_t ret;
301
295
for(size_t written = 0; written < length; written += (size_t)ret){
349
343
char *plugindir = NULL;
350
344
char *argfile = NULL;
351
345
FILE *conffp;
352
struct dirent **direntries = NULL;
346
size_t d_name_len;
347
DIR *dir = NULL;
348
struct dirent *dirst;
353
349
struct stat st;
354
350
fd_set rfds_all;
355
351
int ret, maxfd = 0;
363
359
.sa_flags = SA_NOCLDSTOP };
364
360
char **custom_argv = NULL;
365
361
int custom_argc = 0;
366
int dir_fd = -1;
367
362
368
363
/* Establish a signal handler */
369
364
sigemptyset(&sigchld_action.sa_mask);
440
435
break;
441
436
}
442
437
}
443
errno = 0;
444
438
}
445
439
break;
446
440
case 'G': /* --global-env */
447
if(add_environment(getplugin(NULL), arg, true)){
448
errno = 0;
449
}
441
add_environment(getplugin(NULL), arg, true);
450
442
break;
451
443
case 'o': /* --options-for */
452
444
{
469
461
break;
470
462
}
471
463
}
472
errno = 0;
473
464
}
474
465
break;
475
466
case 'E': /* --env-for */
487
478
errno = EINVAL;
488
479
break;
489
480
}
490
if(add_environment(getplugin(arg), envdef, true)){
491
errno = 0;
492
}
481
add_environment(getplugin(arg), envdef, true);
493
482
}
494
483
break;
495
484
case 'd': /* --disable */
497
486
plugin *p = getplugin(arg);
498
487
if(p != NULL){
499
488
p->disabled = true;
500
errno = 0;
501
489
}
502
490
}
503
491
break;
506
494
plugin *p = getplugin(arg);
507
495
if(p != NULL){
508
496
p->disabled = false;
509
errno = 0;
510
497
}
511
498
}
512
499
break;
513
500
case 128: /* --plugin-dir */
514
501
free(plugindir);
515
502
plugindir = strdup(arg);
516
if(plugindir != NULL){
517
errno = 0;
518
}
519
503
break;
520
504
case 129: /* --config-file */
521
505
/* This is already done by parse_opt_config_file() */
529
513
break;
530
514
}
531
515
uid = (uid_t)tmp_id;
532
errno = 0;
533
516
break;
534
517
case 131: /* --groupid */
535
518
tmp_id = strtoimax(arg, &tmp, 10);
540
523
break;
541
524
}
542
525
gid = (gid_t)tmp_id;
543
errno = 0;
544
526
break;
545
527
case 132: /* --debug */
546
528
debug = true;
594
576
case 129: /* --config-file */
595
577
free(argfile);
596
578
argfile = strdup(arg);
597
if(argfile != NULL){
598
errno = 0;
599
}
600
579
break;
601
580
case 130: /* --userid */
602
581
case 131: /* --groupid */
685
664
}
686
665
687
666
custom_argc += 1;
688
{
689
char **new_argv = realloc(custom_argv, sizeof(char *)
690
* ((unsigned int)
691
custom_argc + 1));
692
if(new_argv == NULL){
693
error(0, errno, "realloc");
694
exitstatus = EX_OSERR;
695
free(new_arg);
696
free(org_line);
697
goto fallback;
698
} else {
699
custom_argv = new_argv;
700
}
667
custom_argv = realloc(custom_argv, sizeof(char *)
668
* ((unsigned int) custom_argc + 1));
669
if(custom_argv == NULL){
670
error(0, errno, "realloc");
671
exitstatus = EX_OSERR;
672
free(org_line);
673
goto fallback;
701
674
}
702
675
custom_argv[custom_argc-1] = new_arg;
703
676
custom_argv[custom_argc] = NULL;
780
753
<http://bugs.debian.org/633582> */
781
754
int plugindir_fd = open(/* plugindir or */ PDIR, O_RDONLY);
782
755
if(plugindir_fd == -1){
783
if(errno != ENOENT){
784
error(0, errno, "open(\"" PDIR "\")");
785
}
756
error(0, errno, "open");
786
757
} else {
787
758
ret = (int)TEMP_FAILURE_RETRY(fstat(plugindir_fd, &st));
788
759
if(ret == -1){
811
782
812
783
/* Open plugin directory with close_on_exec flag */
813
784
{
814
dir_fd = open(plugindir != NULL ? plugindir : PDIR, O_RDONLY |
815
#ifdef O_CLOEXEC
816
O_CLOEXEC
817
#else /* not O_CLOEXEC */
818
0
819
#endif /* not O_CLOEXEC */
820
);
785
int dir_fd = -1;
786
if(plugindir == NULL){
787
dir_fd = open(PDIR, O_RDONLY |
788
#ifdef O_CLOEXEC
789
O_CLOEXEC
790
#else /* not O_CLOEXEC */
791
0
792
#endif /* not O_CLOEXEC */
793
);
794
} else {
795
dir_fd = open(plugindir, O_RDONLY |
796
#ifdef O_CLOEXEC
797
O_CLOEXEC
798
#else /* not O_CLOEXEC */
799
0
800
#endif /* not O_CLOEXEC */
801
);
802
}
821
803
if(dir_fd == -1){
822
804
error(0, errno, "Could not open plugin dir");
823
805
exitstatus = EX_UNAVAILABLE;
829
811
ret = set_cloexec_flag(dir_fd);
830
812
if(ret < 0){
831
813
error(0, errno, "set_cloexec_flag");
814
TEMP_FAILURE_RETRY(close(dir_fd));
832
815
exitstatus = EX_OSERR;
833
816
goto fallback;
834
817
}
835
818
#endif /* O_CLOEXEC */
836
}
837
838
int good_name(const struct dirent * const dirent){
839
const char * const patterns[] = { ".*", "#*#", "*~", "*.dpkg-new",
840
"*.dpkg-old", "*.dpkg-bak",
841
"*.dpkg-divert", NULL };
842
#ifdef __GNUC__
843
#pragma GCC diagnostic push
844
#pragma GCC diagnostic ignored "-Wcast-qual"
845
#endif
846
for(const char **pat = (const char **)patterns;
847
*pat != NULL; pat++){
848
#ifdef __GNUC__
849
#pragma GCC diagnostic pop
850
#endif
851
if(fnmatch(*pat, dirent->d_name, FNM_FILE_NAME | FNM_PERIOD)
852
!= FNM_NOMATCH){
853
if(debug){
854
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
855
" matching pattern %s\n", dirent->d_name, *pat);
856
}
857
return 0;
858
}
819
820
dir = fdopendir(dir_fd);
821
if(dir == NULL){
822
error(0, errno, "Could not open plugin dir");
823
TEMP_FAILURE_RETRY(close(dir_fd));
824
exitstatus = EX_OSERR;
825
goto fallback;
859
826
}
860
return 1;
861
}
862
863
#ifdef __GLIBC__
864
#if __GLIBC_PREREQ(2, 15)
865
int numplugins = scandirat(dir_fd, ".", &direntries, good_name,
866
alphasort);
867
#else /* not __GLIBC_PREREQ(2, 15) */
868
int numplugins = scandir(plugindir != NULL ? plugindir : PDIR,
869
&direntries, good_name, alphasort);
870
#endif /* not __GLIBC_PREREQ(2, 15) */
871
#else /* not __GLIBC__ */
872
int numplugins = scandir(plugindir != NULL ? plugindir : PDIR,
873
&direntries, good_name, alphasort);
874
#endif /* not __GLIBC__ */
875
if(numplugins == -1){
876
error(0, errno, "Could not scan plugin dir");
877
direntries = NULL;
878
exitstatus = EX_OSERR;
879
goto fallback;
880
827
}
881
828
882
829
FD_ZERO(&rfds_all);
883
830
884
831
/* Read and execute any executable in the plugin directory*/
885
for(int i = 0; i < numplugins; i++){
886
887
int plugin_fd = openat(dir_fd, direntries[i]->d_name, O_RDONLY);
888
if(plugin_fd == -1){
889
error(0, errno, "Could not open plugin");
832
while(true){
833
do {
834
dirst = readdir(dir);
835
} while(dirst == NULL and errno == EINTR);
836
837
/* All directory entries have been processed */
838
if(dirst == NULL){
839
if(errno == EBADF){
840
error(0, errno, "readdir");
841
exitstatus = EX_IOERR;
842
goto fallback;
843
}
844
break;
845
}
846
847
d_name_len = strlen(dirst->d_name);
848
849
/* Ignore dotfiles, backup files and other junk */
850
{
851
bool bad_name = false;
852
853
const char * const bad_prefixes[] = { ".", "#", NULL };
854
855
const char * const bad_suffixes[] = { "~", "#", ".dpkg-new",
856
".dpkg-old",
857
".dpkg-bak",
858
".dpkg-divert", NULL };
859
#pragma GCC diagnostic push
860
#pragma GCC diagnostic ignored "-Wcast-qual"
861
for(const char **pre = (const char **)bad_prefixes;
862
*pre != NULL; pre++){
863
#pragma GCC diagnostic pop
864
size_t pre_len = strlen(*pre);
865
if((d_name_len >= pre_len)
866
and strncmp((dirst->d_name), *pre, pre_len) == 0){
867
if(debug){
868
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
869
" with bad prefix %s\n", dirst->d_name, *pre);
870
}
871
bad_name = true;
872
break;
873
}
874
}
875
if(bad_name){
876
continue;
877
}
878
#pragma GCC diagnostic push
879
#pragma GCC diagnostic ignored "-Wcast-qual"
880
for(const char **suf = (const char **)bad_suffixes;
881
*suf != NULL; suf++){
882
#pragma GCC diagnostic pop
883
size_t suf_len = strlen(*suf);
884
if((d_name_len >= suf_len)
885
and (strcmp((dirst->d_name) + d_name_len-suf_len, *suf)
886
== 0)){
887
if(debug){
888
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
889
" with bad suffix %s\n", dirst->d_name, *suf);
890
}
891
bad_name = true;
892
break;
893
}
894
}
895
896
if(bad_name){
897
continue;
898
}
899
}
900
901
char *filename;
902
if(plugindir == NULL){
903
ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, PDIR "/%s",
904
dirst->d_name));
905
} else {
906
ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, "%s/%s",
907
plugindir,
908
dirst->d_name));
909
}
910
if(ret < 0){
911
error(0, errno, "asprintf");
890
912
continue;
891
913
}
892
ret = (int)TEMP_FAILURE_RETRY(fstat(plugin_fd, &st));
914
915
ret = (int)TEMP_FAILURE_RETRY(stat(filename, &st));
893
916
if(ret == -1){
894
917
error(0, errno, "stat");
895
TEMP_FAILURE_RETRY(close(plugin_fd));
918
free(filename);
896
919
continue;
897
920
}
898
921
899
922
/* Ignore non-executable files */
900
923
if(not S_ISREG(st.st_mode)
901
or (TEMP_FAILURE_RETRY(faccessat(dir_fd, direntries[i]->d_name,
902
X_OK, 0)) != 0)){
924
or (TEMP_FAILURE_RETRY(access(filename, X_OK)) != 0)){
903
925
if(debug){
904
fprintf(stderr, "Ignoring plugin dir entry \"%s/%s\""
905
" with bad type or mode\n",
906
plugindir != NULL ? plugindir : PDIR,
907
direntries[i]->d_name);
926
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
927
" with bad type or mode\n", filename);
908
928
}
909
TEMP_FAILURE_RETRY(close(plugin_fd));
929
free(filename);
910
930
continue;
911
931
}
912
932
913
plugin *p = getplugin(direntries[i]->d_name);
933
plugin *p = getplugin(dirst->d_name);
914
934
if(p == NULL){
915
935
error(0, errno, "getplugin");
916
TEMP_FAILURE_RETRY(close(plugin_fd));
936
free(filename);
917
937
continue;
918
938
}
919
939
if(p->disabled){
920
940
if(debug){
921
941
fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
922
direntries[i]->d_name);
942
dirst->d_name);
923
943
}
924
TEMP_FAILURE_RETRY(close(plugin_fd));
944
free(filename);
925
945
continue;
926
946
}
927
947
{
941
961
}
942
962
}
943
963
}
944
/* If this plugin has any environment variables, we need to
945
duplicate the environment from this process, too. */
964
/* If this plugin has any environment variables, we will call
965
using execve and need to duplicate the environment from this
966
process, too. */
946
967
if(p->environ[0] != NULL){
947
968
for(char **e = environ; *e != NULL; e++){
948
969
if(not add_environment(p, *e, false)){
952
973
}
953
974
954
975
int pipefd[2];
955
#ifndef O_CLOEXEC
956
976
ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
957
#else /* O_CLOEXEC */
958
ret = (int)TEMP_FAILURE_RETRY(pipe2(pipefd, O_CLOEXEC));
959
#endif /* O_CLOEXEC */
960
977
if(ret == -1){
961
978
error(0, errno, "pipe");
962
979
exitstatus = EX_OSERR;
963
980
goto fallback;
964
981
}
965
if(pipefd[0] >= FD_SETSIZE){
966
fprintf(stderr, "pipe()[0] (%d) >= FD_SETSIZE (%d)", pipefd[0],
967
FD_SETSIZE);
968
TEMP_FAILURE_RETRY(close(pipefd[0]));
969
TEMP_FAILURE_RETRY(close(pipefd[1]));
970
exitstatus = EX_OSERR;
971
goto fallback;
972
}
973
#ifndef O_CLOEXEC
974
982
/* Ask OS to automatic close the pipe on exec */
975
983
ret = set_cloexec_flag(pipefd[0]);
976
984
if(ret < 0){
977
985
error(0, errno, "set_cloexec_flag");
978
TEMP_FAILURE_RETRY(close(pipefd[0]));
979
TEMP_FAILURE_RETRY(close(pipefd[1]));
980
986
exitstatus = EX_OSERR;
981
987
goto fallback;
982
988
}
983
989
ret = set_cloexec_flag(pipefd[1]);
984
990
if(ret < 0){
985
991
error(0, errno, "set_cloexec_flag");
986
TEMP_FAILURE_RETRY(close(pipefd[0]));
987
TEMP_FAILURE_RETRY(close(pipefd[1]));
988
992
exitstatus = EX_OSERR;
989
993
goto fallback;
990
994
}
991
#endif /* not O_CLOEXEC */
992
995
/* Block SIGCHLD until process is safely in process list */
993
996
ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
994
997
&sigchld_action.sa_mask,
1005
1008
} while(pid == -1 and errno == EINTR);
1006
1009
if(pid == -1){
1007
1010
error(0, errno, "fork");
1008
TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
1009
&sigchld_action.sa_mask, NULL));
1010
TEMP_FAILURE_RETRY(close(pipefd[0]));
1011
TEMP_FAILURE_RETRY(close(pipefd[1]));
1012
1011
exitstatus = EX_OSERR;
1013
1012
goto fallback;
1014
1013
}
1031
1030
_exit(EX_OSERR);
1032
1031
}
1033
1032
1034
if(fexecve(plugin_fd, p->argv,
1035
(p->environ[0] != NULL) ? p->environ : environ) < 0){
1036
error(0, errno, "fexecve for %s/%s",
1037
plugindir != NULL ? plugindir : PDIR,
1038
direntries[i]->d_name);
1039
_exit(EX_OSERR);
1033
if(dirfd(dir) < 0){
1034
/* If dir has no file descriptor, we could not set FD_CLOEXEC
1035
above and must now close it manually here. */
1036
closedir(dir);
1037
}
1038
if(p->environ[0] == NULL){
1039
if(execv(filename, p->argv) < 0){
1040
error(0, errno, "execv for %s", filename);
1041
_exit(EX_OSERR);
1042
}
1043
} else {
1044
if(execve(filename, p->argv, p->environ) < 0){
1045
error(0, errno, "execve for %s", filename);
1046
_exit(EX_OSERR);
1047
}
1040
1048
}
1041
1049
/* no return */
1042
1050
}
1043
1051
/* Parent process */
1044
1052
TEMP_FAILURE_RETRY(close(pipefd[1])); /* Close unused write end of
1045
1053
pipe */
1046
TEMP_FAILURE_RETRY(close(plugin_fd));
1047
plugin *new_plugin = getplugin(direntries[i]->d_name);
1054
free(filename);
1055
plugin *new_plugin = getplugin(dirst->d_name);
1048
1056
if(new_plugin == NULL){
1049
1057
error(0, errno, "getplugin");
1050
1058
ret = (int)(TEMP_FAILURE_RETRY
1091
1099
}
1092
1100
}
1093
1101
1094
free(direntries);
1095
direntries = NULL;
1096
TEMP_FAILURE_RETRY(close(dir_fd));
1097
dir_fd = -1;
1102
TEMP_FAILURE_RETRY(closedir(dir));
1103
dir = NULL;
1098
1104
free_plugin(getplugin(NULL));
1099
1105
1100
1106
for(plugin *p = plugin_list; p != NULL; p = p->next){
1228
1234
}
1229
1235
/* Before reading, make the process' data buffer large enough */
1230
1236
if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
1231
char *new_buffer = realloc(proc->buffer, proc->buffer_size
1232
+ (size_t) BUFFER_SIZE);
1233
if(new_buffer == NULL){
1237
proc->buffer = realloc(proc->buffer, proc->buffer_size
1238
+ (size_t) BUFFER_SIZE);
1239
if(proc->buffer == NULL){
1234
1240
error(0, errno, "malloc");
1235
1241
exitstatus = EX_OSERR;
1236
1242
goto fallback;
1237
1243
}
1238
proc->buffer = new_buffer;
1239
1244
proc->buffer_size += BUFFER_SIZE;
1240
1245
}
1241
1246
/* Read from the process */
1294
1299
free(custom_argv);
1295
1300
}
1296
1301
1297
free(direntries);
1298
1299
if(dir_fd != -1){
1300
TEMP_FAILURE_RETRY(close(dir_fd));
1302
if(dir != NULL){
1303
closedir(dir);
1301
1304
}
1302
1305
1303
1306
/* Kill the processes */
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0