97
97
static plugin *plugin_list = NULL;
99
/* Gets a existing plugin based on name,
99
/* Gets an existing plugin based on name,
100
100
or if none is found, creates a new one */
101
101
static plugin *getplugin(char *name){
102
102
/* Check for exiting plugin with that name */
187
187
size_t namelen = (size_t)(strchrnul(def, '=') - def);
188
188
/* Search for this environment variable */
189
189
for(char **e = p->environ; *e != NULL; e++){
190
if(strncmp(*e, def, namelen+1) == 0){
190
if(strncmp(*e, def, namelen + 1) == 0){
191
191
/* It already exists */
193
char *new = realloc(*e, strlen(def));
193
char *new = realloc(*e, strlen(def) + 1);
255
255
/* Prints out a password to stdout */
256
256
bool print_out_password(const char *buffer, size_t length){
258
if(length>0 and buffer[length-1] == '\n'){
261
258
for(size_t written = 0; written < length; written += (size_t)ret){
262
259
ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
263
260
length - written));
344
341
{ .name = "global-options", .key = 'g',
345
342
.arg = "OPTION[,OPTION[,...]]",
346
343
.doc = "Options passed to all plugins" },
347
{ .name = "global-env", .key = 'e',
344
{ .name = "global-env", .key = 'G',
348
345
.arg = "VAR=value",
349
346
.doc = "Environment variable passed to all plugins" },
350
347
{ .name = "options-for", .key = 'o',
351
348
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
352
349
.doc = "Options passed only to specified plugin" },
353
{ .name = "env-for", .key = 'f',
350
{ .name = "env-for", .key = 'E',
354
351
.arg = "PLUGIN:ENV=value",
355
352
.doc = "Environment variable passed to specified plugin" },
356
353
{ .name = "disable", .key = 'd',
358
355
.doc = "Disable a specific plugin", .group = 1 },
356
{ .name = "enable", .key = 'e',
358
.doc = "Enable a specific plugin", .group = 1 },
359
359
{ .name = "plugin-dir", .key = 128,
360
360
.arg = "DIRECTORY",
361
361
.doc = "Specify a different plugin directory", .group = 2 },
393
case 'e': /* --global-env */
393
case 'G': /* --global-env */
398
char *envdef = strdup(arg);
402
if(not add_environment(getplugin(NULL), envdef, true)){
403
perror("add_environment");
397
if(not add_environment(getplugin(NULL), arg, true)){
398
perror("add_environment");
407
401
case 'o': /* --options-for */
408
402
if (arg != NULL){
409
403
char *p_name = strsep(&arg, ":");
410
if(p_name[0] == '\0'){
404
if(p_name[0] == '\0' or arg == NULL){
413
407
char *opt = strsep(&arg, ":");
408
if(opt[0] == '\0' or opt == NULL){
419
while((p = strsep(&opt, ",")) != NULL){
423
if(not add_argument(getplugin(p_name), p)){
424
perror("add_argument");
425
return ARGP_ERR_UNKNOWN;
412
while((p = strsep(&opt, ",")) != NULL){
416
if(not add_argument(getplugin(p_name), p)){
417
perror("add_argument");
418
return ARGP_ERR_UNKNOWN;
431
case 'f': /* --env-for */
423
case 'E': /* --env-for */
437
429
if(envdef == NULL){
440
char *p_name = strndup(arg, (size_t) (envdef-arg));
445
if(not add_environment(getplugin(p_name), envdef, true)){
433
if(not add_environment(getplugin(arg), envdef+1, true)){
446
434
perror("add_environment");
477
475
case ARGP_KEY_ARG:
478
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
476
/* Cryptsetup always passes an argument, which is an empty
477
string if "none" was specified in /etc/crypttab. So if
478
argument was empty, we ignore it silently. */
480
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
480
483
case ARGP_KEY_END:
492
495
struct argp_state *state) {
494
497
case 'g': /* --global-options */
495
case 'e': /* --global-env */
498
case 'G': /* --global-env */
496
499
case 'o': /* --options-for */
497
case 'f': /* --env-for */
500
case 'E': /* --env-for */
498
501
case 'd': /* --disable */
502
case 'e': /* --enable */
499
503
case 128: /* --plugin-dir */
501
505
case 129: /* --config-file */
502
507
argfile = strdup(arg);
503
508
if(argfile == NULL){
504
509
perror("strdup");
737
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
742
if(plugindir == NULL){
743
ret = asprintf(&filename, PDIR "/%s", dirst->d_name);
745
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
739
748
perror("asprintf");
930
939
/* OK, now either a process completed, or something can be read
931
940
from one of them */
932
for(plugin *proc = plugin_list; proc != NULL; proc = proc->next){
941
for(plugin *proc = plugin_list; proc != NULL;){
933
942
/* Is this process completely done? */
934
943
if(proc->eof and proc->completed){
935
944
/* Only accept the plugin output if it exited cleanly */
962
971
exitstatus = EXIT_FAILURE;
966
975
/* We are done modifying process list, so unblock signal */
967
976
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,
992
1005
/* This process has not completed. Does it have any output? */
993
1006
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
994
1007
/* This process had nothing to say at this time */
997
1011
/* Before reading, make the process' data buffer large enough */
1031
1046
fprintf(stderr, "Going to fallback mode using getpass(3)\n");
1032
1047
char *passwordbuffer = getpass("Password: ");
1033
bret = print_out_password(passwordbuffer, strlen(passwordbuffer));
1048
size_t len = strlen(passwordbuffer);
1049
/* Strip trailing newline */
1050
if(len > 0 and passwordbuffer[len-1] == '\n'){
1051
passwordbuffer[len-1] = '\0'; /* not strictly necessary */
1054
bret = print_out_password(passwordbuffer, len);
1035
1056
perror("print_out_password");
1036
1057
exitstatus = EXIT_FAILURE;
added
removed
plugin-runner.c
