72
72
/* Needed for conflict resolution */
73
73
const char plymouth_name[] = "plymouthd";
75
__attribute__((format (gnu_printf, 2, 3), nonnull(1)))
76
int fprintf_plus(FILE *stream, const char *format, ...){
78
va_start (ap, format);
80
TEMP_FAILURE_RETRY(fprintf(stream, "Mandos plugin %s: ",
81
program_invocation_short_name));
82
return TEMP_FAILURE_RETRY(vfprintf(stream, format, ap));
85
75
/* Function to use when printing errors */
86
76
__attribute__((format (gnu_printf, 3, 4)))
87
77
void error_plus(int status, int errnum, const char *formatstring,
96
86
fprintf(stderr, "Mandos plugin %s: ",
97
87
program_invocation_short_name);
98
88
vfprintf(stderr, formatstring, ap);
99
fprintf(stderr, ": %s\n", strerror(errnum));
89
fprintf(stderr, ": ");
90
fprintf(stderr, "%s\n", strerror(errnum));
100
91
error(status, errno, "vasprintf while printing error");
139
129
ret = asprintf(&cmdline_filename, "/proc/%s/cmdline",
140
130
proc_entry->d_name);
142
error_plus(0, errno, "asprintf");
132
error(0, errno, "asprintf");
165
155
if(cmdline_len + blocksize + 1 > cmdline_allocated){
166
156
tmp = realloc(cmdline, cmdline_allocated + blocksize + 1);
168
error_plus(0, errno, "realloc");
158
error(0, errno, "realloc");
178
168
sret = read(cl_fd, cmdline + cmdline_len,
179
169
cmdline_allocated - cmdline_len);
181
error_plus(0, errno, "read");
171
error(0, errno, "read");
224
214
ret = scandir("/proc", &direntries, is_plymouth, alphasort);
226
error_plus(1, errno, "scandir");
216
error(1, errno, "scandir");
228
218
free(direntries);
327
316
if(tcgetattr(STDIN_FILENO, &t_old) != 0){
329
error_plus(0, errno, "tcgetattr");
318
error(0, errno, "tcgetattr");
339
328
sigemptyset(&new_action.sa_mask);
340
329
ret = sigaddset(&new_action.sa_mask, SIGINT);
342
error_plus(0, errno, "sigaddset");
331
error(0, errno, "sigaddset");
345
334
ret = sigaddset(&new_action.sa_mask, SIGHUP);
347
error_plus(0, errno, "sigaddset");
336
error(0, errno, "sigaddset");
350
339
ret = sigaddset(&new_action.sa_mask, SIGTERM);
352
error_plus(0, errno, "sigaddset");
341
error(0, errno, "sigaddset");
355
344
/* Need to check if the handler is SIG_IGN before handling:
359
348
ret = sigaction(SIGINT, NULL, &old_action);
361
error_plus(0, errno, "sigaction");
350
error(0, errno, "sigaction");
364
353
if(old_action.sa_handler != SIG_IGN){
365
354
ret = sigaction(SIGINT, &new_action, NULL);
367
error_plus(0, errno, "sigaction");
356
error(0, errno, "sigaction");
371
360
ret = sigaction(SIGHUP, NULL, &old_action);
373
error_plus(0, errno, "sigaction");
362
error(0, errno, "sigaction");
376
365
if(old_action.sa_handler != SIG_IGN){
377
366
ret = sigaction(SIGHUP, &new_action, NULL);
379
error_plus(0, errno, "sigaction");
368
error(0, errno, "sigaction");
383
372
ret = sigaction(SIGTERM, NULL, &old_action);
385
error_plus(0, errno, "sigaction");
374
error(0, errno, "sigaction");
388
377
if(old_action.sa_handler != SIG_IGN){
389
378
ret = sigaction(SIGTERM, &new_action, NULL);
391
error_plus(0, errno, "sigaction");
380
error(0, errno, "sigaction");
402
391
t_new.c_lflag &= ~(tcflag_t)ECHO;
403
392
if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_new) != 0){
405
error_plus(0, errno, "tcsetattr-echo");
394
error(0, errno, "tcsetattr-echo");
472
461
sret = write(STDOUT_FILENO, buffer + written, n - written);
475
error_plus(0, errno, "write");
464
error(0, errno, "write");
494
483
sret = close(STDOUT_FILENO);
497
error_plus(0, errno, "close");
486
error(0, errno, "close");
500
489
status = EX_OSFILE;
512
501
if(errno != EINTR and not feof(stdin)){
513
error_plus(0, errno, "getline");
502
error(0, errno, "getline");
516
505
status = EX_UNAVAILABLE;
539
528
fprintf(stderr, "Restoring terminal attributes\n");
541
530
if(tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_old) != 0){
542
error_plus(0, errno, "tcsetattr+echo");
531
error(0, errno, "tcsetattr+echo");
547
536
old_action.sa_handler = SIG_DFL;
548
537
ret = sigaction(signal_received, &old_action, NULL);
550
error_plus(0, errno, "sigaction");
539
error(0, errno, "sigaction");
552
541
raise(signal_received);