src/util/testpkg.c

   1 /*
   2  *  testpkg.c : Test a pacman package for validity
   3  *
   4  *  Copyright (c) 2007 by Aaron Griffin <aaronmgriffin@gmail.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <stdio.h> /* printf */
  21 #include <stdarg.h> /* va_list */
  22
  23 #include <alpm.h>
  24
  25 #define BASENAME "testpkg"
  26
  27 static void output_cb(alpm_loglevel_t level, const char *fmt, va_list args)
  28 {
  29         if(fmt[0] == '\0') {
  30                 return;
  31         }
  32         switch(level) {
  33                 case ALPM_LOG_ERROR: printf("error: "); break;
  34                 case ALPM_LOG_WARNING: printf("warning: "); break;
  35                 default: return; /* skip other messages */
  36         }
  37         vprintf(fmt, args);
  38 }
  39
  40 int main(int argc, char *argv[])
  41 {
  42         int retval = 1; /* default = false */
  43         alpm_handle_t *handle;
  44         enum _alpm_errno_t err;
  45         alpm_pkg_t *pkg = NULL;
  46
  47         if(argc != 2) {
  48                 fprintf(stderr, "usage: %s <package file>\n", BASENAME);
  49                 return 1;
  50         }
  51
  52         handle = alpm_initialize(ROOTDIR, DBPATH, &err);
  53         if(!handle) {
  54                 fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerror(err));
  55                 return 1;
  56         }
  57
  58         /* let us get log messages from libalpm */
  59         alpm_option_set_logcb(handle, output_cb);
  60
  61         if(alpm_pkg_load(handle, argv[1], 1, PM_PGP_VERIFY_OPTIONAL, &pkg) == -1
  62                         || pkg == NULL) {
  63                 err = alpm_errno(handle);
  64                 switch(err) {
  65                         case PM_ERR_PKG_OPEN:
  66                                 printf("Cannot open the given file.\n");
  67                                 break;
  68                         case PM_ERR_LIBARCHIVE:
  69                         case PM_ERR_PKG_INVALID:
  70                                 printf("Package is invalid.\n");
  71                                 break;
  72                         default:
  73                                 printf("libalpm error: %s\n", alpm_strerror(err));
  74                                 break;
  75                 }
  76                 retval = 1;
  77         } else {
  78                 alpm_pkg_free(pkg);
  79                 printf("Package is valid.\n");
  80                 retval = 0;
  81         }
  82
  83         if(alpm_release(handle) == -1) {
  84                 fprintf(stderr, "error releasing alpm\n");
  85         }
  86
  87         return retval;
  88 }