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  • Committer: Teddy Hogeborn
  • Date: 2019-04-09 19:33:36 UTC
  • Revision ID: teddy@recompile.se-20190409193336-6sddo74ybosqog38
http://bugs.debian.org/926641
Installation: Fix UMASK even if set by some other initramfs hook

* Makefile (install-client-nokey): Install initramfs-tools-conf-hook
               as "/usr/share/initramfs-tools/conf-hooks.d/zz-mandos".
* debian/mandos-client.dirs: Add
  "usr/share/initramfs-tools/conf-hooks.d".
* initramfs-tools-conf-hook: New.

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Lines of Context:
plugin-runner.c
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), getline(),
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                                   O_CLOEXEC, pipe2() */
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#include <stddef.h>             /* size_t, NULL */
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#include <stdlib.h>             /* malloc(), reallocarray(), realloc(),
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                                   EXIT_SUCCESS, exit() */
 
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#include <stdlib.h>             /* malloc(), exit(), EXIT_SUCCESS,
 
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                                   realloc() */
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#include <stdbool.h>            /* bool, true, false */
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#include <stdio.h>              /* fileno(), fprintf(),
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                                   stderr, STDOUT_FILENO, fclose() */
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  /* Resize the pointed-to array to hold one more pointer */
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  char **new_array = NULL;
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  do {
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#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
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    new_array = reallocarray(*array, (size_t)((*len) + 2),
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                             sizeof(char *));
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#else
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    if(((size_t)((*len) + 2)) > (SIZE_MAX / sizeof(char *))){
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      /* overflow */
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      new_array = NULL;
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      errno = ENOMEM;
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    } else {
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      new_array = realloc(*array, (size_t)((*len) + 2)
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                          * sizeof(char *));
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    }
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#endif
 
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    new_array = realloc(*array, sizeof(char *)
 
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                        * (size_t) ((*len) + 2));
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  } while(new_array == NULL and errno == EINTR);
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  /* Malloc check */
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  if(new_array == NULL){
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      if(arg[0] == '\0'){
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        break;
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      }
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#if __GNUC__ >= 7
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      __attribute__((fallthrough));
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#else
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          /* FALLTHROUGH */
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#endif
 
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      /* FALLTHROUGH */
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    default:
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      return ARGP_ERR_UNKNOWN;
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    }
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        custom_argc += 1;
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        {
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#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 26)
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          char **new_argv = reallocarray(custom_argv, (size_t)custom_argc + 1,
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                                         sizeof(char *));
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#else
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          char **new_argv = NULL;
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          if(((size_t)custom_argc + 1) > (SIZE_MAX / sizeof(char *))){
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            /* overflow */
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            errno = ENOMEM;
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          } else {
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            new_argv = realloc(custom_argv, ((size_t)custom_argc + 1)
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                               * sizeof(char *));
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          }
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#endif
 
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          char **new_argv = realloc(custom_argv, sizeof(char *)
 
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                                    * ((size_t)custom_argc + 1));
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          if(new_argv == NULL){
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            error(0, errno, "reallocarray");
 
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            error(0, errno, "realloc");
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            exitstatus = EX_OSERR;
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            free(new_arg);
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            free(org_line);