/mandos/release

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/release

« back to all changes in this revision

Viewing changes to plugin-runner.c

  • Committer: teddy at recompile
  • Date: 2020-02-09 03:42:50 UTC
  • mto: This revision was merged to the branch mainline in revision 396.
  • Revision ID: teddy@recompile.se-20200209034250-dxkkuq0eevnzk8py
Update formatting in TODO file

* TODO: Add markup, links and a file-wide tag.

Show diffs side-by-side

added added

removed removed

Lines of Context:
26
26
#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), getline(),
27
27
                                   O_CLOEXEC, pipe2() */
28
28
#include <stddef.h>             /* size_t, NULL */
29
 
#include <stdlib.h>             /* malloc(), exit(), EXIT_SUCCESS,
30
 
                                   realloc() */
 
29
#include <stdlib.h>             /* malloc(), reallocarray(), realloc(),
 
30
                                   EXIT_SUCCESS, exit() */
31
31
#include <stdbool.h>            /* bool, true, false */
32
32
#include <stdio.h>              /* fileno(), fprintf(),
33
33
                                   stderr, STDOUT_FILENO, fclose() */
179
179
  /* Resize the pointed-to array to hold one more pointer */
180
180
  char **new_array = NULL;
181
181
  do {
182
 
    new_array = realloc(*array, sizeof(char *)
183
 
                        * (size_t) ((*len) + 2));
 
182
#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
 
183
    new_array = reallocarray(*array, (size_t)((*len) + 2),
 
184
                             sizeof(char *));
 
185
#else
 
186
    if(((size_t)((*len) + 2)) > (SIZE_MAX / sizeof(char *))){
 
187
      /* overflow */
 
188
      new_array = NULL;
 
189
      errno = ENOMEM;
 
190
    } else {
 
191
      new_array = realloc(*array, (size_t)((*len) + 2)
 
192
                          * sizeof(char *));
 
193
    }
 
194
#endif
184
195
  } while(new_array == NULL and errno == EINTR);
185
196
  /* Malloc check */
186
197
  if(new_array == NULL){
313
324
__attribute__((nonnull))
314
325
static void free_plugin(plugin *plugin_node){
315
326
  
316
 
  for(char **arg = plugin_node->argv; *arg != NULL; arg++){
 
327
  for(char **arg = (plugin_node->argv)+1; *arg != NULL; arg++){
317
328
    free(*arg);
318
329
  }
 
330
  free(plugin_node->name);
319
331
  free(plugin_node->argv);
320
332
  for(char **env = plugin_node->environ; *env != NULL; env++){
321
333
    free(*env);
564
576
    case '?':                   /* --help */
565
577
      state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
566
578
      argp_state_help(state, state->out_stream, ARGP_HELP_STD_HELP);
 
579
      __builtin_unreachable();
567
580
    case -3:                    /* --usage */
568
581
      state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
569
582
      argp_state_help(state, state->out_stream,
570
583
                      ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK);
 
584
      __builtin_unreachable();
571
585
    case 'V':                   /* --version */
572
586
      fprintf(state->out_stream, "%s\n", argp_program_version);
573
587
      exit(EXIT_SUCCESS);
583
597
      if(arg[0] == '\0'){
584
598
        break;
585
599
      }
586
 
      /* FALLTHROUGH */
 
600
#if __GNUC__ >= 7
 
601
      __attribute__((fallthrough));
 
602
#else
 
603
          /* FALLTHROUGH */
 
604
#endif
587
605
    default:
588
606
      return ARGP_ERR_UNKNOWN;
589
607
    }
701
719
        
702
720
        custom_argc += 1;
703
721
        {
704
 
          char **new_argv = realloc(custom_argv, sizeof(char *)
705
 
                                    * ((size_t)custom_argc + 1));
 
722
#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
 
723
          char **new_argv = reallocarray(custom_argv, (size_t)custom_argc + 1,
 
724
                                         sizeof(char *));
 
725
#else
 
726
          char **new_argv = NULL;
 
727
          if(((size_t)custom_argc + 1) > (SIZE_MAX / sizeof(char *))){
 
728
            /* overflow */
 
729
            errno = ENOMEM;
 
730
          } else {
 
731
            new_argv = realloc(custom_argv, ((size_t)custom_argc + 1)
 
732
                               * sizeof(char *));
 
733
          }
 
734
#endif
706
735
          if(new_argv == NULL){
707
 
            error(0, errno, "realloc");
 
736
            error(0, errno, "reallocarray");
708
737
            exitstatus = EX_OSERR;
709
738
            free(new_arg);
710
739
            free(org_line);