Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/nptl/tst-setuid1.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
1084 lines (895 sloc)
21.5 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* Copyright (C) 2004-2016 Free Software Foundation, Inc. | |
| This file is part of the GNU C Library. | |
| Contributed by Jakub Jelinek <jaku@redhat.com>, 2004. | |
| The GNU C Library is free software; you can redistribute it and/or | |
| modify it under the terms of the GNU Lesser General Public | |
| License as published by the Free Software Foundation; either | |
| version 2.1 of the License, or (at your option) any later version. | |
| The GNU C Library 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 | |
| Lesser General Public License for more details. | |
| You should have received a copy of the GNU Lesser General Public | |
| License along with the GNU C Library; if not, see | |
| <http://www.gnu.org/licenses/>. */ | |
| #include <pthread.h> | |
| #include <pwd.h> | |
| #include <grp.h> | |
| #include <stdlib.h> | |
| #include <stdio.h> | |
| #include <sys/wait.h> | |
| #include <unistd.h> | |
| static pthread_barrier_t b3, b4; | |
| static uid_t prev_ruid, prev_euid, prev_suid, nobody_uid; | |
| static gid_t prev_rgid, prev_egid, prev_sgid, nobody_gid; | |
| enum ACTION { PREPARE, SET, CHECK_BEFORE, CHECK_AFTER }; | |
| #define TESTNO(arg) ((long int) (arg) & 0xff) | |
| #define THREADNO(arg) ((long int) (arg) >> 8) | |
| static void | |
| check_prev_uid (int tno) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != prev_ruid || euid != prev_euid || suid != prev_suid) | |
| { | |
| printf ("uids before in %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, prev_ruid, prev_euid, prev_suid); | |
| exit (1); | |
| } | |
| } | |
| static void | |
| check_prev_gid (int tno) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != prev_rgid || egid != prev_egid || sgid != prev_sgid) | |
| { | |
| printf ("gids before in %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, prev_rgid, prev_egid, prev_sgid); | |
| exit (1); | |
| } | |
| } | |
| static void | |
| test_setuid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setuid (nobody_uid) < 0) | |
| { | |
| printf ("setuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != nobody_uid || euid != nobody_uid || suid != nobody_uid) | |
| { | |
| printf ("after setuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, nobody_uid, nobody_uid, nobody_uid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setuid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresuid (nobody_uid, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_ruid = nobody_uid; | |
| prev_euid = nobody_uid; | |
| return; | |
| } | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setuid (prev_suid) < 0) | |
| { | |
| printf ("setuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != nobody_uid || euid != prev_suid || suid != prev_suid) | |
| { | |
| printf ("after setuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, nobody_uid, prev_suid, prev_suid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_seteuid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && seteuid (nobody_uid) < 0) | |
| { | |
| printf ("seteuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != prev_ruid || euid != nobody_uid || suid != prev_suid) | |
| { | |
| printf ("after seteuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, prev_ruid, nobody_uid, prev_suid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_seteuid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresuid (nobody_uid, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_ruid = nobody_uid; | |
| prev_euid = nobody_uid; | |
| nobody_uid = prev_suid; | |
| return; | |
| } | |
| test_seteuid1 (action, tno); | |
| } | |
| static void | |
| test_setreuid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setreuid (-1, nobody_uid) < 0) | |
| { | |
| printf ("setreuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid, esuid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (prev_ruid != nobody_uid) | |
| esuid = nobody_uid; | |
| else | |
| esuid = prev_suid; | |
| if (ruid != prev_ruid || euid != nobody_uid || suid != esuid) | |
| { | |
| printf ("after setreuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, prev_ruid, nobody_uid, esuid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setreuid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setreuid (nobody_uid, -1) < 0) | |
| { | |
| printf ("setreuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != nobody_uid || euid != prev_euid || suid != prev_euid) | |
| { | |
| printf ("after setreuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, nobody_uid, prev_euid, prev_euid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setreuid3 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setreuid (nobody_uid, nobody_uid) < 0) | |
| { | |
| printf ("setreuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != nobody_uid || euid != nobody_uid || suid != nobody_uid) | |
| { | |
| printf ("after setreuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, nobody_uid, nobody_uid, nobody_uid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setreuid4 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresuid (nobody_uid, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_ruid = nobody_uid; | |
| prev_euid = nobody_uid; | |
| nobody_uid = prev_suid; | |
| return; | |
| } | |
| test_setreuid1 (action, tno); | |
| } | |
| static void | |
| test_setresuid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setresuid (-1, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != prev_ruid || euid != nobody_uid || suid != prev_suid) | |
| { | |
| printf ("after setresuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, prev_ruid, nobody_uid, prev_suid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresuid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setresuid (prev_euid, nobody_uid, nobody_uid) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != prev_euid || euid != nobody_uid || suid != nobody_uid) | |
| { | |
| printf ("after setresuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, prev_euid, nobody_uid, nobody_uid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresuid3 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_uid (tno); | |
| if (action == SET && setresuid (nobody_uid, nobody_uid, nobody_uid) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| uid_t ruid, euid, suid; | |
| if (getresuid (&ruid, &euid, &suid) < 0) | |
| { | |
| printf ("getresuid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (ruid != nobody_uid || euid != nobody_uid || suid != nobody_uid) | |
| { | |
| printf ("after setresuid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| ruid, euid, suid, nobody_uid, nobody_uid, nobody_uid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresuid4 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresuid (nobody_uid, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_ruid = nobody_uid; | |
| prev_euid = nobody_uid; | |
| nobody_uid = prev_suid; | |
| return; | |
| } | |
| test_setresuid1 (action, tno); | |
| } | |
| static void | |
| test_setgid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setgid (nobody_gid) < 0) | |
| { | |
| printf ("setgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != nobody_gid || egid != nobody_gid || sgid != nobody_gid) | |
| { | |
| printf ("after setgid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, nobody_gid, nobody_gid, nobody_gid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setgid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresgid (nobody_gid, nobody_gid, -1) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_rgid = nobody_gid; | |
| prev_egid = nobody_gid; | |
| if (setresuid (nobody_uid, nobody_uid, -1) < 0) | |
| { | |
| printf ("setresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_ruid = nobody_uid; | |
| prev_euid = nobody_uid; | |
| return; | |
| } | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setgid (prev_sgid) < 0) | |
| { | |
| printf ("setgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != nobody_gid || egid != prev_sgid || sgid != prev_sgid) | |
| { | |
| printf ("after setgid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, nobody_gid, prev_sgid, prev_sgid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setegid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setegid (nobody_gid) < 0) | |
| { | |
| printf ("setegid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != prev_rgid || egid != nobody_gid || sgid != prev_sgid) | |
| { | |
| printf ("after setegid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, prev_rgid, nobody_gid, prev_sgid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setegid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresgid (nobody_gid, nobody_gid, -1) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_rgid = nobody_gid; | |
| prev_egid = nobody_gid; | |
| nobody_gid = prev_sgid; | |
| return; | |
| } | |
| test_setegid1 (action, tno); | |
| } | |
| static void | |
| test_setregid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setregid (-1, nobody_gid) < 0) | |
| { | |
| printf ("setregid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid, esgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (prev_rgid != nobody_gid) | |
| esgid = nobody_gid; | |
| else | |
| esgid = prev_sgid; | |
| if (rgid != prev_rgid || egid != nobody_gid || sgid != esgid) | |
| { | |
| printf ("after setregid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, prev_rgid, nobody_gid, esgid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setregid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setregid (nobody_gid, -1) < 0) | |
| { | |
| printf ("setregid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != nobody_gid || egid != prev_egid || sgid != prev_egid) | |
| { | |
| printf ("after setregid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, nobody_gid, prev_egid, prev_egid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setregid3 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setregid (nobody_gid, nobody_gid) < 0) | |
| { | |
| printf ("setregid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != nobody_gid || egid != nobody_gid || sgid != nobody_gid) | |
| { | |
| printf ("after setregid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, nobody_gid, nobody_gid, nobody_gid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setregid4 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresgid (nobody_gid, nobody_gid, -1) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_rgid = nobody_gid; | |
| prev_egid = nobody_gid; | |
| nobody_gid = prev_sgid; | |
| return; | |
| } | |
| test_setregid1 (action, tno); | |
| } | |
| static void | |
| test_setresgid1 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setresgid (-1, nobody_gid, -1) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != prev_rgid || egid != nobody_gid || sgid != prev_sgid) | |
| { | |
| printf ("after setresgid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, prev_rgid, nobody_gid, prev_sgid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresgid2 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setresgid (prev_egid, nobody_gid, nobody_gid) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != prev_egid || egid != nobody_gid || sgid != nobody_gid) | |
| { | |
| printf ("after setresgid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, prev_egid, nobody_gid, nobody_gid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresgid3 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| return; | |
| if (action != CHECK_AFTER) | |
| check_prev_gid (tno); | |
| if (action == SET && setresgid (nobody_gid, nobody_gid, nobody_gid) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (action != CHECK_BEFORE) | |
| { | |
| gid_t rgid, egid, sgid; | |
| if (getresgid (&rgid, &egid, &sgid) < 0) | |
| { | |
| printf ("getresgid failed: %d %m\n", tno); | |
| exit (1); | |
| } | |
| if (rgid != nobody_gid || egid != nobody_gid || sgid != nobody_gid) | |
| { | |
| printf ("after setresgid %d (%d %d %d) != (%d %d %d)\n", tno, | |
| rgid, egid, sgid, nobody_gid, nobody_gid, nobody_gid); | |
| exit (1); | |
| } | |
| } | |
| } | |
| static void | |
| test_setresgid4 (enum ACTION action, int tno) | |
| { | |
| if (action == PREPARE) | |
| { | |
| if (setresgid (nobody_gid, nobody_gid, -1) < 0) | |
| { | |
| printf ("setresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| prev_rgid = nobody_gid; | |
| prev_egid = nobody_gid; | |
| nobody_gid = prev_sgid; | |
| return; | |
| } | |
| test_setresgid1 (action, tno); | |
| } | |
| static struct setuid_test | |
| { | |
| const char *name; | |
| void (*test) (enum ACTION, int tno); | |
| } setuid_tests[] = | |
| { | |
| { "setuid1", test_setuid1 }, | |
| { "setuid2", test_setuid2 }, | |
| { "seteuid1", test_seteuid1 }, | |
| { "seteuid2", test_seteuid2 }, | |
| { "setreuid1", test_setreuid1 }, | |
| { "setreuid2", test_setreuid2 }, | |
| { "setreuid3", test_setreuid3 }, | |
| { "setreuid4", test_setreuid4 }, | |
| { "setresuid1", test_setresuid1 }, | |
| { "setresuid2", test_setresuid2 }, | |
| { "setresuid3", test_setresuid3 }, | |
| { "setresuid4", test_setresuid4 }, | |
| { "setgid1", test_setgid1 }, | |
| { "setgid2", test_setgid2 }, | |
| { "setegid1", test_setegid1 }, | |
| { "setegid2", test_setegid2 }, | |
| { "setregid1", test_setregid1 }, | |
| { "setregid2", test_setregid2 }, | |
| { "setregid3", test_setregid3 }, | |
| { "setregid4", test_setregid4 }, | |
| { "setresgid1", test_setresgid1 }, | |
| { "setresgid2", test_setresgid2 }, | |
| { "setresgid3", test_setresgid3 }, | |
| { "setresgid4", test_setresgid4 } | |
| }; | |
| static void * | |
| tf2 (void *arg) | |
| { | |
| int e = pthread_barrier_wait (&b4); | |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
| { | |
| puts ("barrier_wait failed"); | |
| exit (1); | |
| } | |
| setuid_tests[TESTNO (arg)].test (CHECK_AFTER, THREADNO (arg)); | |
| return NULL; | |
| } | |
| static void * | |
| tf (void *arg) | |
| { | |
| setuid_tests[TESTNO (arg)].test (CHECK_BEFORE, THREADNO (arg)); | |
| int e = pthread_barrier_wait (&b3); | |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
| { | |
| puts ("barrier_wait failed"); | |
| exit (1); | |
| } | |
| return tf2 (arg); | |
| } | |
| static int | |
| do_one_test (long int testno) | |
| { | |
| printf ("%s test\n", setuid_tests[testno].name); | |
| pid_t pid = fork (); | |
| if (pid == 0) | |
| { | |
| setuid_tests[testno].test (PREPARE, 0); | |
| setuid_tests[testno].test (SET, 0); | |
| exit (0); | |
| } | |
| if (pid < 0) | |
| { | |
| printf ("fork failed: %m\n"); | |
| exit (1); | |
| } | |
| int status; | |
| if (waitpid (pid, &status, 0) < 0) | |
| { | |
| printf ("waitpid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (!WIFEXITED (status)) | |
| { | |
| puts ("child did not exit"); | |
| exit (1); | |
| } | |
| if (WEXITSTATUS (status)) | |
| { | |
| printf ("skipping %s test\n", setuid_tests[testno].name); | |
| return 0; | |
| } | |
| pid = fork (); | |
| if (pid == 0) | |
| { | |
| setuid_tests[testno].test (PREPARE, 0); | |
| pthread_t th; | |
| int e = pthread_create (&th, NULL, tf, (void *) (testno | 0x100L)); | |
| if (e != 0) | |
| { | |
| printf ("create failed: %m\n"); | |
| exit (1); | |
| } | |
| pthread_t th2; | |
| e = pthread_create (&th2, NULL, tf, (void *) (testno | 0x200L)); | |
| if (e != 0) | |
| { | |
| printf ("create failed: %m\n"); | |
| exit (1); | |
| } | |
| e = pthread_barrier_wait (&b3); | |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
| { | |
| puts ("barrier_wait failed"); | |
| exit (1); | |
| } | |
| setuid_tests[testno].test (SET, 0); | |
| pthread_t th3; | |
| e = pthread_create (&th3, NULL, tf2, (void *) (testno | 0x300L)); | |
| if (e != 0) | |
| { | |
| printf ("create failed: %m\n"); | |
| exit (1); | |
| } | |
| e = pthread_barrier_wait (&b4); | |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
| { | |
| puts ("barrier_wait failed"); | |
| exit (1); | |
| } | |
| exit (0); | |
| } | |
| if (pid < 0) | |
| { | |
| printf ("fork failed: %m\n"); | |
| exit (1); | |
| } | |
| if (waitpid (pid, &status, 0) < 0) | |
| { | |
| printf ("waitpid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (!WIFEXITED (status)) | |
| { | |
| puts ("second child did not exit"); | |
| exit (1); | |
| } | |
| if (WEXITSTATUS (status)) | |
| exit (WEXITSTATUS (status)); | |
| return 0; | |
| } | |
| static int | |
| do_test (void) | |
| { | |
| struct passwd *pwd = getpwnam ("nobody"); | |
| if (pwd == NULL) | |
| { | |
| puts ("User nobody doesn't exist"); | |
| return 0; | |
| } | |
| nobody_uid = pwd->pw_uid; | |
| nobody_gid = pwd->pw_gid; | |
| if (getresuid (&prev_ruid, &prev_euid, &prev_suid) < 0) | |
| { | |
| printf ("getresuid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (getresgid (&prev_rgid, &prev_egid, &prev_sgid) < 0) | |
| { | |
| printf ("getresgid failed: %m\n"); | |
| exit (1); | |
| } | |
| if (prev_ruid == nobody_uid || prev_euid == nobody_uid | |
| || prev_suid == nobody_uid) | |
| { | |
| puts ("already running as user nobody, skipping tests"); | |
| exit (0); | |
| } | |
| if (prev_rgid == nobody_gid || prev_egid == nobody_gid | |
| || prev_sgid == nobody_gid) | |
| { | |
| puts ("already running as group nobody, skipping tests"); | |
| exit (0); | |
| } | |
| if (pthread_barrier_init (&b3, NULL, 3) != 0) | |
| { | |
| puts ("barrier_init failed"); | |
| exit (1); | |
| } | |
| if (pthread_barrier_init (&b4, NULL, 4) != 0) | |
| { | |
| puts ("barrier_init failed"); | |
| exit (1); | |
| } | |
| for (unsigned long int testno = 0; | |
| testno < sizeof (setuid_tests) / sizeof (setuid_tests[0]); | |
| ++testno) | |
| do_one_test (testno); | |
| return 0; | |
| } | |
| #define TEST_FUNCTION do_test () | |
| #include "../test-skeleton.c" |