97
97
static plugin *plugin_list = NULL;
99
/* Gets an existing plugin based on name,
99
/* Gets a 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) + 1);
193
char *new = realloc(*e, strlen(def));
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'){
258
261
for(size_t written = 0; written < length; written += (size_t)ret){
259
262
ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
260
263
length - written));
341
344
{ .name = "global-options", .key = 'g',
342
345
.arg = "OPTION[,OPTION[,...]]",
343
346
.doc = "Options passed to all plugins" },
344
{ .name = "global-env", .key = 'G',
347
{ .name = "global-env", .key = 'e',
345
348
.arg = "VAR=value",
346
349
.doc = "Environment variable passed to all plugins" },
347
350
{ .name = "options-for", .key = 'o',
348
351
.arg = "PLUGIN:OPTION[,OPTION[,...]]",
349
352
.doc = "Options passed only to specified plugin" },
350
{ .name = "env-for", .key = 'E',
353
{ .name = "env-for", .key = 'f',
351
354
.arg = "PLUGIN:ENV=value",
352
355
.doc = "Environment variable passed to specified plugin" },
353
356
{ .name = "disable", .key = 'd',
355
358
.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 'G': /* --global-env */
393
case 'e': /* --global-env */
397
if(not add_environment(getplugin(NULL), arg, true)){
398
perror("add_environment");
398
char *envdef = strdup(arg);
402
if(not add_environment(getplugin(NULL), envdef, true)){
403
perror("add_environment");
401
407
case 'o': /* --options-for */
402
408
if (arg != NULL){
403
409
char *p_name = strsep(&arg, ":");
404
if(p_name[0] == '\0' or arg == NULL){
410
if(p_name[0] == '\0'){
407
413
char *opt = strsep(&arg, ":");
408
if(opt[0] == '\0' or opt == NULL){
412
while((p = strsep(&opt, ",")) != NULL){
416
if(not add_argument(getplugin(p_name), p)){
417
perror("add_argument");
418
return ARGP_ERR_UNKNOWN;
419
while((p = strsep(&opt, ",")) != NULL){
423
if(not add_argument(getplugin(p_name), p)){
424
perror("add_argument");
425
return ARGP_ERR_UNKNOWN;
423
case 'E': /* --env-for */
431
case 'f': /* --env-for */
429
437
if(envdef == NULL){
433
if(not add_environment(getplugin(arg), envdef+1, true)){
440
char *p_name = strndup(arg, (size_t) (envdef-arg));
445
if(not add_environment(getplugin(p_name), envdef, true)){
434
446
perror("add_environment");
475
477
case ARGP_KEY_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);
478
fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
483
480
case ARGP_KEY_END:
495
492
struct argp_state *state) {
497
494
case 'g': /* --global-options */
498
case 'G': /* --global-env */
495
case 'e': /* --global-env */
499
496
case 'o': /* --options-for */
500
case 'E': /* --env-for */
497
case 'f': /* --env-for */
501
498
case 'd': /* --disable */
502
case 'e': /* --enable */
503
499
case 128: /* --plugin-dir */
505
501
case 129: /* --config-file */
507
502
argfile = strdup(arg);
508
503
if(argfile == NULL){
509
504
perror("strdup");
742
if(plugindir == NULL){
743
ret = asprintf(&filename, PDIR "/%s", dirst->d_name);
745
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
737
ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
748
739
perror("asprintf");
939
930
/* OK, now either a process completed, or something can be read
940
931
from one of them */
941
for(plugin *proc = plugin_list; proc != NULL;){
932
for(plugin *proc = plugin_list; proc != NULL; proc = proc->next){
942
933
/* Is this process completely done? */
943
934
if(proc->eof and proc->completed){
944
935
/* Only accept the plugin output if it exited cleanly */
971
962
exitstatus = EXIT_FAILURE;
975
966
/* We are done modifying process list, so unblock signal */
976
967
ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,
1005
992
/* This process has not completed. Does it have any output? */
1006
993
if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
1007
994
/* This process had nothing to say at this time */
1011
997
/* Before reading, make the process' data buffer large enough */
1046
1031
fprintf(stderr, "Going to fallback mode using getpass(3)\n");
1047
1032
char *passwordbuffer = getpass("Password: ");
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);
1033
bret = print_out_password(passwordbuffer, strlen(passwordbuffer));
1056
1035
perror("print_out_password");
1057
1036
exitstatus = EXIT_FAILURE;