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/*
* testpkg.c : Test a pacman package for validity
*
* Copyright (c) 2007-2017 Pacman Development Team <pacman-dev@archlinux.org>
* Copyright (c) 2007 by Aaron Griffin <aaronmgriffin@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h> /* printf */
#include <stdarg.h> /* va_list */
#include <alpm.h>
__attribute__((format(printf, 2, 0)))
static void output_cb(alpm_loglevel_t level, const char *fmt, va_list args)
{
if(fmt[0] == '\0') {
return;
}
switch(level) {
case ALPM_LOG_ERROR: printf("error: "); break;
case ALPM_LOG_WARNING: printf("warning: "); break;
default: return; /* skip other messages */
}
vprintf(fmt, args);
}
int main(int argc, char *argv[])
{
int retval = 1; /* default = false */
alpm_handle_t *handle;
alpm_errno_t err;
alpm_pkg_t *pkg = NULL;
const int siglevel = ALPM_SIG_PACKAGE | ALPM_SIG_PACKAGE_OPTIONAL;
if(argc != 2) {
fprintf(stderr, "testpkg (pacman) v" PACKAGE_VERSION "\n\n"
"Test a pacman package for validity.\n\n"
"Usage: testpkg <package file>\n");
return 1;
}
handle = alpm_initialize(ROOTDIR, DBPATH, &err);
if(!handle) {
fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerror(err));
return 1;
}
/* let us get log messages from libalpm */
alpm_option_set_logcb(handle, output_cb);
/* set gpgdir to default */
alpm_option_set_gpgdir(handle, GPGDIR);
if(alpm_pkg_load(handle, argv[1], 1, siglevel, &pkg) == -1
|| pkg == NULL) {
err = alpm_errno(handle);
switch(err) {
case ALPM_ERR_PKG_NOT_FOUND:
printf("Cannot find the given file.\n");
break;
case ALPM_ERR_PKG_OPEN:
printf("Cannot open the given file.\n");
break;
case ALPM_ERR_LIBARCHIVE:
case ALPM_ERR_PKG_INVALID:
printf("Package is invalid.\n");
break;
default:
printf("libalpm error: %s\n", alpm_strerror(err));
break;
}
retval = 1;
} else {
alpm_pkg_free(pkg);
printf("Package is valid.\n");
retval = 0;
}
if(alpm_release(handle) == -1) {
fprintf(stderr, "error releasing alpm\n");
}
return retval;
}
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