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- Committer: Teddy Hogeborn
- Date: 2008-09-05 07:15:46 UTC
- Revision ID: teddy@fukt.bsnet.se-20080905071546-ax00hzgq40xzprn0
* Makefile (purge-client): Also remove "plugin-runner.conf".
added
removed
plugin-runner.c
72
72
const char *argp_program_version = "plugin-runner 1.0";
73
73
const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
74
74
75
struct process;
76
77
typedef struct process{
75
struct plugin;
76
77
typedef struct plugin{
78
char *name; /* can be NULL or any plugin name */
79
char **argv;
80
int argc;
81
char **environ;
82
int envc;
83
bool disabled;
84
85
/* Variables used for running processes*/
78
86
pid_t pid;
79
87
int fd;
80
88
char *buffer;
83
91
bool eof;
84
92
volatile bool completed;
85
93
volatile int status;
86
struct process *next;
87
} process;
88
89
typedef struct plugin{
90
char *name; /* can be NULL or any plugin name */
91
char **argv;
92
int argc;
93
char **environ;
94
int envc;
95
bool disabled;
96
94
struct plugin *next;
97
95
} plugin;
98
96
99
static plugin *getplugin(char *name, plugin **plugin_list){
100
for (plugin *p = *plugin_list; p != NULL; p = p->next){
97
static plugin *plugin_list = NULL;
98
99
/* Gets a existing plugin based on name,
100
or if none is found, creates a new one */
101
static plugin *getplugin(char *name){
102
/* Check for exiting plugin with that name */
103
for (plugin *p = plugin_list; p != NULL; p = p->next){
101
104
if ((p->name == name)
102
105
or (p->name and name and (strcmp(p->name, name) == 0))){
103
106
return p;
115
118
return NULL;
116
119
}
117
120
}
118
121
119
122
*new_plugin = (plugin) { .name = copy_name,
120
123
.argc = 1,
121
.envc = 0,
122
124
.disabled = false,
123
.next = *plugin_list };
125
.next = plugin_list };
124
126
125
127
new_plugin->argv = malloc(sizeof(char *) * 2);
126
128
if (new_plugin->argv == NULL){
130
132
}
131
133
new_plugin->argv[0] = copy_name;
132
134
new_plugin->argv[1] = NULL;
133
135
134
136
new_plugin->environ = malloc(sizeof(char *));
135
137
if(new_plugin->environ == NULL){
136
138
free(copy_name);
139
141
return NULL;
140
142
}
141
143
new_plugin->environ[0] = NULL;
144
142
145
/* Append the new plugin to the list */
143
*plugin_list = new_plugin;
146
plugin_list = new_plugin;
144
147
return new_plugin;
145
148
}
146
149
176
179
}
177
180
178
181
/* Add to a plugin's environment */
179
static bool add_environment(plugin *p, const char *def){
182
static bool add_environment(plugin *p, const char *def, bool replace){
180
183
if(p == NULL){
181
184
return false;
182
185
}
186
/* namelen = length of name of environment variable */
187
size_t namelen = (size_t)(strchrnul(def, '=') - def);
188
/* Search for this environment variable */
189
for(char **e = p->environ; *e != NULL; e++){
190
if(strncmp(*e, def, namelen+1) == 0){
191
/* It already exists */
192
if(replace){
193
char *new = realloc(*e, strlen(def));
194
if(new == NULL){
195
return false;
196
}
197
*e = new;
198
strcpy(*e, def);
199
}
200
return true;
201
}
202
}
183
203
return add_to_char_array(def, &(p->environ), &(p->envc));
184
204
}
185
205
186
187
206
/*
188
207
* Based on the example in the GNU LibC manual chapter 13.13 "File
189
208
* Descriptor Flags".
200
219
return fcntl(fd, F_SETFD, ret | FD_CLOEXEC);
201
220
}
202
221
203
process *process_list = NULL;
204
222
205
223
/* Mark processes as completed when they exit, and save their exit
206
224
status. */
207
225
void handle_sigchld(__attribute__((unused)) int sig){
208
226
while(true){
209
process *proc = process_list;
227
plugin *proc = plugin_list;
210
228
int status;
211
229
pid_t pid = waitpid(-1, &status, WNOHANG);
212
230
if(pid == 0){
234
252
}
235
253
}
236
254
255
/* Prints out a password to stdout */
237
256
bool print_out_password(const char *buffer, size_t length){
238
257
ssize_t ret;
239
258
if(length>0 and buffer[length-1] == '\n'){
249
268
return true;
250
269
}
251
270
252
static void free_plugin_list(plugin *plugin_list){
253
for(plugin *next; plugin_list != NULL; plugin_list = next){
254
next = plugin_list->next;
255
for(char **arg = plugin_list->argv; *arg != NULL; arg++){
256
free(*arg);
257
}
258
free(plugin_list->argv);
259
for(char **env = plugin_list->environ; *env != NULL; env++){
260
free(*env);
261
}
262
free(plugin_list->environ);
263
free(plugin_list);
271
/* Removes and free a plugin from the plugin list */
272
static void free_plugin(plugin *plugin_node){
273
274
for(char **arg = plugin_node->argv; *arg != NULL; arg++){
275
free(*arg);
276
}
277
free(plugin_node->argv);
278
for(char **env = plugin_node->environ; *env != NULL; env++){
279
free(*env);
280
}
281
free(plugin_node->environ);
282
free(plugin_node->buffer);
283
284
/* Removes the plugin from the singly-linked list */
285
if(plugin_node == plugin_list){
286
/* First one - simple */
287
plugin_list = plugin_list->next;
288
} else {
289
/* Second one or later */
290
for(plugin *p = plugin_list; p != NULL; p = p->next){
291
if(p->next == plugin_node){
292
p->next = plugin_node->next;
293
break;
294
}
295
}
296
}
297
298
free(plugin_node);
299
}
300
301
static void free_plugin_list(void){
302
while(plugin_list != NULL){
303
free_plugin(plugin_list);
264
304
}
265
305
}
266
306
304
344
{ .name = "global-options", .key = 'g',
305
345
.arg = "OPTION[,OPTION[,...]]",
306
346
.doc = "Options passed to all plugins" },
307
{ .name = "global-envs", .key = 'e',
347
{ .name = "global-env", .key = 'G',
308
348
.arg = "VAR=value",
309
349
.doc = "Environment variable passed to all plugins" },
310
350
{ .name = "options-for", .key = 'o',
311
351
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
312
352
.doc = "Options passed only to specified plugin" },
313
{ .name = "envs-for", .key = 'f',
353
{ .name = "env-for", .key = 'E',
314
354
.arg = "PLUGIN:ENV=value",
315
355
.doc = "Environment variable passed to specified plugin" },
316
356
{ .name = "disable", .key = 'd',
317
357
.arg = "PLUGIN",
318
358
.doc = "Disable a specific plugin", .group = 1 },
359
{ .name = "enable", .key = 'e',
360
.arg = "PLUGIN",
361
.doc = "Enable a specific plugin", .group = 1 },
319
362
{ .name = "plugin-dir", .key = 128,
320
363
.arg = "DIRECTORY",
321
364
.doc = "Specify a different plugin directory", .group = 2 },
333
376
{ .name = NULL }
334
377
};
335
378
336
error_t parse_opt (int key, char *arg, struct argp_state *state) {
337
/* Get the INPUT argument from `argp_parse', which we know is a
338
pointer to our plugin list pointer. */
339
plugin **plugins = state->input;
379
error_t parse_opt (int key, char *arg, __attribute__((unused))
380
struct argp_state *state) {
340
381
switch (key) {
341
case 'g':
382
case 'g': /* --global-options */
342
383
if (arg != NULL){
343
384
char *p;
344
385
while((p = strsep(&arg, ",")) != NULL){
345
386
if(p[0] == '\0'){
346
387
continue;
347
388
}
348
if(not add_argument(getplugin(NULL, plugins), p)){
389
if(not add_argument(getplugin(NULL), p)){
349
390
perror("add_argument");
350
391
return ARGP_ERR_UNKNOWN;
351
392
}
352
393
}
353
394
}
354
395
break;
355
case 'e':
396
case 'G': /* --global-env */
356
397
if(arg == NULL){
357
398
break;
358
399
}
361
402
if(envdef == NULL){
362
403
break;
363
404
}
364
if(not add_environment(getplugin(NULL, plugins), envdef)){
405
if(not add_environment(getplugin(NULL), envdef, true)){
365
406
perror("add_environment");
366
407
}
367
408
}
368
409
break;
369
case 'o':
410
case 'o': /* --options-for */
370
411
if (arg != NULL){
371
412
char *p_name = strsep(&arg, ":");
372
413
if(p_name[0] == '\0'){
382
423
if(p[0] == '\0'){
383
424
continue;
384
425
}
385
if(not add_argument(getplugin(p_name, plugins), p)){
426
if(not add_argument(getplugin(p_name), p)){
386
427
perror("add_argument");
387
428
return ARGP_ERR_UNKNOWN;
388
429
}
390
431
}
391
432
}
392
433
break;
393
case 'f':
434
case 'E': /* --env-for */
394
435
if(arg == NULL){
395
436
break;
396
437
}
404
445
break;
405
446
}
406
447
envdef++;
407
if(not add_environment(getplugin(p_name, plugins), envdef)){
448
if(not add_environment(getplugin(p_name), envdef, true)){
408
449
perror("add_environment");
409
450
}
410
451
}
411
452
break;
412
case 'd':
453
case 'd': /* --disable */
413
454
if (arg != NULL){
414
plugin *p = getplugin(arg, plugins);
455
plugin *p = getplugin(arg);
415
456
if(p == NULL){
416
457
return ARGP_ERR_UNKNOWN;
417
458
}
418
459
p->disabled = true;
419
460
}
420
461
break;
421
case 128:
462
case 'e': /* --enable */
463
if (arg != NULL){
464
plugin *p = getplugin(arg);
465
if(p == NULL){
466
return ARGP_ERR_UNKNOWN;
467
}
468
p->disabled = false;
469
}
470
break;
471
case 128: /* --plugin-dir */
422
472
plugindir = strdup(arg);
423
473
if(plugindir == NULL){
424
474
perror("strdup");
425
475
}
426
476
break;
427
case 129:
428
argfile = strdup(arg);
429
if(argfile == NULL){
430
perror("strdup");
431
}
432
break;
433
case 130:
477
case 129: /* --config-file */
478
/* This is already done by parse_opt_config_file() */
479
break;
480
case 130: /* --userid */
434
481
uid = (uid_t)strtol(arg, NULL, 10);
435
482
break;
436
case 131:
483
case 131: /* --groupid */
437
484
gid = (gid_t)strtol(arg, NULL, 10);
438
485
break;
439
case 132:
486
case 132: /* --debug */
440
487
debug = true;
441
488
break;
442
489
case ARGP_KEY_ARG:
450
497
return 0;
451
498
}
452
499
453
plugin *plugin_list = NULL;
500
/* This option parser is the same as parse_opt() above, except it
501
ignores everything but the --config-file option. */
502
error_t parse_opt_config_file (int key, char *arg,
503
__attribute__((unused))
504
struct argp_state *state) {
505
switch (key) {
506
case 'g': /* --global-options */
507
case 'G': /* --global-env */
508
case 'o': /* --options-for */
509
case 'E': /* --env-for */
510
case 'd': /* --disable */
511
case 'e': /* --enable */
512
case 128: /* --plugin-dir */
513
break;
514
case 129: /* --config-file */
515
argfile = strdup(arg);
516
if(argfile == NULL){
517
perror("strdup");
518
}
519
break;
520
case 130: /* --userid */
521
case 131: /* --groupid */
522
case 132: /* --debug */
523
case ARGP_KEY_ARG:
524
case ARGP_KEY_END:
525
break;
526
default:
527
return ARGP_ERR_UNKNOWN;
528
}
529
return 0;
530
}
454
531
455
struct argp argp = { .options = options, .parser = parse_opt,
456
.args_doc = "[+PLUS_SEPARATED_OPTIONS]",
532
struct argp argp = { .options = options,
533
.parser = parse_opt_config_file,
534
.args_doc = "",
457
535
.doc = "Mandos plugin runner -- Run plugins" };
458
536
459
ret = argp_parse (&argp, argc, argv, 0, 0, &plugin_list);
537
/* Parse using the parse_opt_config_file in order to get the custom
538
config file location, if any. */
539
ret = argp_parse (&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
460
540
if (ret == ARGP_ERR_UNKNOWN){
461
541
fprintf(stderr, "Unknown error while parsing arguments\n");
462
542
exitstatus = EXIT_FAILURE;
463
543
goto fallback;
464
544
}
465
545
546
/* Reset to the normal argument parser */
547
argp.parser = parse_opt;
548
549
/* Open the configfile if available */
466
550
if (argfile == NULL){
467
551
conffp = fopen(AFILE, "r");
468
552
} else {
469
553
conffp = fopen(argfile, "r");
470
}
471
554
}
472
555
if(conffp != NULL){
473
556
char *org_line = NULL;
474
557
char *p, *arg, *new_arg, *line;
486
569
}
487
570
custom_argv[0] = argv[0];
488
571
custom_argv[1] = NULL;
489
572
573
/* for each line in the config file, strip whitespace and ignore
574
commented text */
490
575
while(true){
491
576
sret = getline(&org_line, &size, conffp);
492
577
if(sret == -1){
521
606
}
522
607
}
523
608
free(org_line);
524
} else{
609
} else {
525
610
/* Check for harmful errors and go to fallback. Other errors might
526
611
not affect opening plugins */
527
612
if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){
530
615
goto fallback;
531
616
}
532
617
}
533
618
/* If there was any arguments from configuration file,
619
pass them to parser as command arguments */
534
620
if(custom_argv != NULL){
535
ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, &plugin_list);
621
ret = argp_parse (&argp, custom_argc, custom_argv, ARGP_IN_ORDER,
622
0, NULL);
536
623
if (ret == ARGP_ERR_UNKNOWN){
537
624
fprintf(stderr, "Unknown error while parsing arguments\n");
538
625
exitstatus = EXIT_FAILURE;
540
627
}
541
628
}
542
629
630
/* Parse actual command line arguments, to let them override the
631
config file */
632
ret = argp_parse (&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
633
if (ret == ARGP_ERR_UNKNOWN){
634
fprintf(stderr, "Unknown error while parsing arguments\n");
635
exitstatus = EXIT_FAILURE;
636
goto fallback;
637
}
638
543
639
if(debug){
544
640
for(plugin *p = plugin_list; p != NULL; p=p->next){
545
641
fprintf(stderr, "Plugin: %s has %d arguments\n",
554
650
}
555
651
}
556
652
653
/* Strip permissions down to nobody */
557
654
ret = setuid(uid);
558
655
if (ret == -1){
559
656
perror("setuid");
560
}
561
657
}
562
658
setgid(gid);
563
659
if (ret == -1){
564
660
perror("setgid");
565
661
}
566
662
567
663
if (plugindir == NULL){
568
664
dir = opendir(PDIR);
569
665
} else {
591
687
592
688
FD_ZERO(&rfds_all);
593
689
690
/* Read and execute any executable in the plugin directory*/
594
691
while(true){
595
692
dirst = readdir(dir);
596
693
597
// All directory entries have been processed
694
/* All directory entries have been processed */
598
695
if(dirst == NULL){
599
696
if (errno == EBADF){
600
697
perror("readdir");
606
703
607
704
d_name_len = strlen(dirst->d_name);
608
705
609
// Ignore dotfiles, backup files and other junk
706
/* Ignore dotfiles, backup files and other junk */
610
707
{
611
708
bool bad_name = false;
612
709
627
724
break;
628
725
}
629
726
}
630
631
727
if(bad_name){
632
728
continue;
633
729
}
634
635
730
for(const char **suf = bad_suffixes; *suf != NULL; suf++){
636
731
size_t suf_len = strlen(*suf);
637
732
if((d_name_len >= suf_len)
664
759
free(filename);
665
760
continue;
666
761
}
667
762
763
/* Ignore non-executable files */
668
764
if (not S_ISREG(st.st_mode) or (access(filename, X_OK) != 0)){
669
765
if(debug){
670
766
fprintf(stderr, "Ignoring plugin dir entry \"%s\""
673
769
free(filename);
674
770
continue;
675
771
}
676
plugin *p = getplugin(dirst->d_name, &plugin_list);
772
773
plugin *p = getplugin(dirst->d_name);
677
774
if(p == NULL){
678
775
perror("getplugin");
679
776
free(filename);
689
786
}
690
787
{
691
788
/* Add global arguments to argument list for this plugin */
692
plugin *g = getplugin(NULL, &plugin_list);
789
plugin *g = getplugin(NULL);
693
790
if(g != NULL){
694
791
for(char **a = g->argv + 1; *a != NULL; a++){
695
792
if(not add_argument(p, *a)){
698
795
}
699
796
/* Add global environment variables */
700
797
for(char **e = g->environ; *e != NULL; e++){
701
if(not add_environment(p, *e)){
798
if(not add_environment(p, *e, false)){
702
799
perror("add_environment");
703
800
}
704
801
}
709
806
process, too. */
710
807
if(p->environ[0] != NULL){
711
808
for(char **e = environ; *e != NULL; e++){
712
char *copy = strdup(*e);
713
if(copy == NULL){
714
perror("strdup");
715
continue;
716
}
717
if(not add_environment(p, copy)){
809
if(not add_environment(p, *e, false)){
718
810
perror("add_environment");
719
811
}
720
812
}
727
819
exitstatus = EXIT_FAILURE;
728
820
goto fallback;
729
821
}
822
/* Ask OS to automatic close the pipe on exec */
730
823
ret = set_cloexec_flag(pipefd[0]);
731
824
if(ret < 0){
732
825
perror("set_cloexec_flag");
746
839
exitstatus = EXIT_FAILURE;
747
840
goto fallback;
748
841
}
749
// Starting a new process to be watched
842
/* Starting a new process to be watched */
750
843
pid_t pid = fork();
751
844
if(pid == -1){
752
845
perror("fork");
790
883
}
791
884
/* no return */
792
885
}
793
/* parent process */
886
/* Parent process */
887
close(pipefd[1]); /* Close unused write end of pipe */
794
888
free(filename);
795
close(pipefd[1]); /* close unused write end of pipe */
796
process *new_process = malloc(sizeof(process));
797
if (new_process == NULL){
798
perror("malloc");
889
plugin *new_plugin = getplugin(dirst->d_name);
890
if (new_plugin == NULL){
891
perror("getplugin");
799
892
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
800
893
if(ret < 0){
801
perror("sigprocmask");
894
perror("sigprocmask");
802
895
}
803
896
exitstatus = EXIT_FAILURE;
804
897
goto fallback;
805
898
}
806
899
807
*new_process = (struct process){ .pid = pid,
808
.fd = pipefd[0],
809
.next = process_list };
810
// List handling
811
process_list = new_process;
900
new_plugin->pid = pid;
901
new_plugin->fd = pipefd[0];
902
812
903
/* Unblock SIGCHLD so signal handler can be run if this process
813
904
has already completed */
814
905
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
818
909
goto fallback;
819
910
}
820
911
821
FD_SET(new_process->fd, &rfds_all);
912
FD_SET(new_plugin->fd, &rfds_all);
822
913
823
if (maxfd < new_process->fd){
824
maxfd = new_process->fd;
914
if (maxfd < new_plugin->fd){
915
maxfd = new_plugin->fd;
825
916
}
826
917
827
918
}
828
829
free_plugin_list(plugin_list);
830
plugin_list = NULL;
831
919
832
920
closedir(dir);
833
921
dir = NULL;
834
835
if (process_list == NULL){
836
fprintf(stderr, "No plugin processes started. Incorrect plugin"
837
" directory?\n");
838
process_list = NULL;
922
923
for(plugin *p = plugin_list; p != NULL; p = p->next){
924
if(p->pid != 0){
925
break;
926
}
927
if(p->next == NULL){
928
fprintf(stderr, "No plugin processes started. Incorrect plugin"
929
" directory?\n");
930
free_plugin_list();
931
}
839
932
}
840
while(process_list){
933
934
/* Main loop while running plugins exist */
935
while(plugin_list){
841
936
fd_set rfds = rfds_all;
842
937
int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
843
938
if (select_ret == -1){
847
942
}
848
943
/* OK, now either a process completed, or something can be read
849
944
from one of them */
850
for(process *proc = process_list; proc ; proc = proc->next){
945
for(plugin *proc = plugin_list; proc != NULL; proc = proc->next){
851
946
/* Is this process completely done? */
852
947
if(proc->eof and proc->completed){
853
948
/* Only accept the plugin output if it exited cleanly */
854
949
if(not WIFEXITED(proc->status)
855
950
or WEXITSTATUS(proc->status) != 0){
856
951
/* Bad exit by plugin */
952
857
953
if(debug){
858
954
if(WIFEXITED(proc->status)){
859
955
fprintf(stderr, "Plugin %u exited with status %d\n",
868
964
(unsigned int) (proc->pid));
869
965
}
870
966
}
967
871
968
/* Remove the plugin */
872
969
FD_CLR(proc->fd, &rfds_all);
970
873
971
/* Block signal while modifying process_list */
874
972
ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
875
973
if(ret < 0){
877
975
exitstatus = EXIT_FAILURE;
878
976
goto fallback;
879
977
}
880
/* Delete this process entry from the list */
881
if(process_list == proc){
882
/* First one - simple */
883
process_list = proc->next;
884
} else {
885
/* Second one or later */
886
for(process *p = process_list; p != NULL; p = p->next){
887
if(p->next == proc){
888
p->next = proc->next;
889
break;
890
}
891
}
892
}
978
free_plugin(proc);
893
979
/* We are done modifying process list, so unblock signal */
894
980
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,
895
981
NULL);
896
982
if(ret < 0){
897
983
perror("sigprocmask");
898
}
899
free(proc->buffer);
900
free(proc);
901
/* We deleted this process from the list, so we can't go
902
proc->next. Therefore, start over from the beginning of
903
the process list */
904
break;
984
exitstatus = EXIT_FAILURE;
985
goto fallback;
986
}
987
988
if(plugin_list == NULL){
989
break;
990
}
991
continue;
905
992
}
993
906
994
/* This process exited nicely, so print its buffer */
907
995
908
996
bool bret = print_out_password(proc->buffer,
913
1001
}
914
1002
goto fallback;
915
1003
}
1004
916
1005
/* This process has not completed. Does it have any output? */
917
1006
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
918
1007
/* This process had nothing to say at this time */
948
1037
949
1038
fallback:
950
1039
951
if(process_list == NULL or exitstatus != EXIT_SUCCESS){
1040
if(plugin_list == NULL or exitstatus != EXIT_SUCCESS){
952
1041
/* Fallback if all plugins failed, none are found or an error
953
1042
occured */
954
1043
bool bret;
974
1063
}
975
1064
free(custom_argv);
976
1065
}
977
free_plugin_list(plugin_list);
978
1066
979
1067
if(dir != NULL){
980
1068
closedir(dir);
981
1069
}
982
1070
983
1071
/* Free the process list and kill the processes */
984
for(process *next; process_list != NULL; process_list = next){
985
next = process_list->next;
986
close(process_list->fd);
987
ret = kill(process_list->pid, SIGTERM);
988
if(ret == -1 and errno != ESRCH){
989
/* set-uid proccesses migth not get closed */
990
perror("kill");
1072
for(plugin *p = plugin_list; p != NULL; p = p->next){
1073
if(p->pid != 0){
1074
close(p->fd);
1075
ret = kill(p->pid, SIGTERM);
1076
if(ret == -1 and errno != ESRCH){
1077
/* Set-uid proccesses might not get closed */
1078
perror("kill");
1079
}
991
1080
}
992
free(process_list->buffer);
993
free(process_list);
994
1081
}
995
1082
996
1083
/* Wait for any remaining child processes to terminate */
1001
1088
perror("wait");
1002
1089
}
1003
1090
1091
free_plugin_list();
1092
1004
1093
free(plugindir);
1005
1094
free(argfile);
1006
1095
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0