git.m6w6.name Git - m6w6/m6w6.github.io/blob - _posts/2008-11-18-vpopmail-and-people-reaching-their-maildir-quota.md

   1 ---
   2 title: Vpopmail and people reaching their maildir quota
   3 author: m6w6
   4 tags:
   5 - SYS
   6 ---
   7
   8 This tiny program lists all users of a domain with a maildir quota usage above
   9 90%.
  10
  11 ```c
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <string.h>
  16
  17 #include <pwd.h>
  18 #include <errno.h>
  19
  20 #include <vpopmail.h>
  21 #include <vauth.h>
  22
  23 int main(int argc, char **argv) {
  24     struct vqpasswd *user;
  25     char dir[1024];
  26     uid_t uid;
  27     gid_t gid;
  28     int offset_counter = -1, sort = 1, usage;
  29
  30     if (argc != 2) {
  31         fprintf(stderr, "Usage: %s <domain>n", argv[0]);
  32         return EXIT_FAILURE;
  33     }
  34     if (vget_assign(argv[1], NULL, 0, &uid, &gid) == NULL) {
  35         fprintf(stderr, "domain '%s' does not existn", argv[1]);
  36         return EXIT_FAILURE;
  37     }
  38     if (setgid(gid) || setuid(uid)) {
  39         fprintf(stderr, "could not setuid/setgid to %d:%dn", uid, gid);
  40         return EXIT_FAILURE;
  41     }
  42
  43     while (NULL != (user = vauth_getall(argv[1], !++offset_counter, sort))) {
  44         if (strcmp(user->pw_shell, "NOQUOTA")) {
  45             snprintf(dir, sizeof(dir), "%s/Maildir", user->pw_dir);
  46             usage = vmaildir_readquota(dir,
  47                 format_maildirquota(user->pw_shell));
  48
  49             if (usage >= 90) {
  50                 printf("%s %s %dn", user->pw_name, user->pw_shell, usage);
  51             }
  52         }
  53     }
  54
  55     return EXIT_SUCCESS;
  56 }
  57 ```
  58