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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2018 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# include "compat/stdbool.h"
#endif
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include "sudo_compat.h"
#include "sudo_fatal.h"
#include "sudo_util.h"
sudo_dso_public int main(int argc, char *argv[]);
/*
* Test that sudo_getgrouplist2() works as expected.
*/
int
main(int argc, char *argv[])
{
int errors = 0;
#ifndef HAVE_GETGROUPLIST_2
GETGROUPS_T *groups = NULL;
struct passwd *pw;
struct group *grp;
char *username;
int ch, i, j, ntests = 0;
int ngroups;
gid_t basegid;
initprogname(argc > 0 ? argv[0] : "getgrouplist_test");
while ((ch = getopt(argc, argv, "v")) != -1) {
switch (ch) {
case 'v':
/* ignore */
break;
default:
fprintf(stderr, "usage: %s [-v]\n", getprogname());
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
if ((pw = getpwuid(0)) == NULL)
sudo_fatal_nodebug("getpwuid(0)");
basegid = pw->pw_gid;
if ((username = strdup(pw->pw_name)) == NULL)
sudo_fatal_nodebug(NULL);
if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1)
sudo_fatal_nodebug("sudo_getgroulist2");
for (i = 0; i < ngroups; i++) {
ntests++;
/* Verify group ID exists. */
if ((grp = getgrgid(groups[i])) == NULL) {
sudo_warnx_nodebug("unable to look up group ID %u",
(unsigned int)groups[i]);
errors++;
continue;
}
/* Check user's primary gid from the passwd file. */
if (grp->gr_gid == basegid)
continue;
/* Verify group membership. */
for (j = 0; grp->gr_mem[j] != NULL; j++) {
if (strcmp(username, grp->gr_mem[j]) == 0) {
/* match */
break;
}
}
if (grp->gr_mem[j] == NULL) {
sudo_warnx_nodebug("unable to find %s in group %s",
username, grp->gr_name);
errors++;
continue;
}
}
if (ntests != 0) {
printf("%s: %d tests run, %d errors, %d%% success rate\n",
getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
}
free(username);
free(groups);
#endif /* HAVE_GETGROUPLIST_2 */
return errors;
}
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