/******************************************************************************/ /* 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, write to the Free Software */ /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* */ /******************************************************************************/ /* * tomoyo_policy_io_test.c * * Testing program for security/tomoyo/ * * Copyright (C) 2005-2010 NTT DATA CORPORATION */ #include "include.h" static FILE *policy_fp = NULL; static const char *policy_file = ""; static void try_io(const char *policy, const char should_success) { FILE *fp = fopen(policy_file, "r"); char buffer[8192]; int policy_found = 0; memset(buffer, 0, sizeof(buffer)); printf("%s: ", policy); fprintf(policy_fp, "%s\n", policy); if (!fp) { printf("BUG: policy read failed\n"); return; } while (fgets(buffer, sizeof(buffer) - 1, fp)) { char *cp = strchr(buffer, '\n'); if (cp) *cp = '\0'; if (!strcmp(buffer, policy)) { policy_found = 1; break; } } fclose(fp); if (should_success) { if (policy_found) printf("OK\n"); else printf("BUG: policy write failed\n"); } else { if (!policy_found) printf("OK : write rejected.\n"); else printf("BUG: policy write not rejected.\n"); } fprintf(policy_fp, "delete %s\n", policy); } static void stage_policy_io_test(void) { int i; policy_file = proc_policy_domain_policy; policy_fp = domain_fp; for (i = 0; i < 3; i++) { try_io("allow_chroot /", 1); try_io("allow_chroot ", 0); try_io("allow_chroot /mnt0/", 1); try_io("allow_chroot /var1/chroot2/", 1); try_io("allow_chroot /mnt0/", 1); try_io("allow_chroot /mnt0/", 1); try_io("allow_chroot /mnt0/", 1); try_io("allow_chroot /mnt\\?\\*/", 1); try_io("allow_chroot /mnt\\?\\*/", 1); try_io("allow_unmount /", 1); try_io("allow_unmount /sys1/", 1); try_io("allow_unmount /initrd2/", 1); try_io("allow_unmount /initrd/dev3/", 1); try_io("allow_unmount /initrd/\\*\\+/", 1); try_io("allow_unmount /initrd/\\@\\*/", 1); try_io("allow_unmount /initrd2/", 1); try_io("allow_pivot_root / /proc3/", 1); try_io("allow_pivot_root /sys5/ /proc3/", 1); try_io("allow_pivot_root /sys/", 0); try_io("allow_pivot_root *", 0); try_io("allow_pivot_root /sys5/ /proc3/", 1); try_io("allow_mount / / --bind 0xD", 1); try_io("allow_mount / / --move 0xF", 1); try_io("allow_mount / --remount", 0); try_io("allow_mount /", 0); try_io("allow_mount none /tmp/ tmpfs 0x1", 1); try_io("allow_mount none /tmp/ tmpfs", 0); try_io("allow_mount none /tmp/ nonexistent 0x0", 1); try_io("allow_mount none /proc/ proc 0x0", 1); try_io("allow_mount none /selinux/ selinuxfs 0x0", 1); try_io("allow_mount /proc/bus/usb /proc/bus/usb/ usbfs 0x0", 1); try_io("allow_mount none /dev/pts/ devpts 0x0", 1); try_io("allow_mount any / --remount 0xC00", 1); try_io("allow_mount /dev/sda1 /boot/ ext3 0xC00", 1); try_io("allow_mount none /dev/shm/ tmpfs 0x0", 1); try_io("allow_mount none /proc/sys/fs/binfmt_misc/ binfmt_misc " "0x0", 1); try_io("allow_mount none /proc/sys/fs/binfmt_misc/ binfmt_misc " "0x0 0x1", 0); try_io("allow_mount none /proc/sys/fs/binfmt_misc/ tmpfs " "binfmt_misc 0x0", 0); try_io("allow_mount /proc/bus/usb /proc/bus/usb/ usbfs 0x0", 1); } policy_file = proc_policy_exception_policy; policy_fp = exception_fp; for (i = 0; i < 3; i++) { try_io("allow_read /tmp/abc", 1); try_io("allow_read /tmp/abc\\*", 1); try_io("allow_read abc", 1); try_io("allow_read /tmp/abc/", 1); try_io("allow_read", 0); try_io("allow_read *", 1); try_io("file_pattern /\\*\\*\\*", 1); try_io("file_pattern /abc", 1); try_io("file_pattern /abc /def", 0); try_io("file_pattern abcdef", 1); try_io("path_group TEST /", 1); try_io("path_group TEST /boo", 1); try_io("path_group TEST /bar", 1); try_io("path_group TEST /\\*", 1); try_io("path_group TEST / /", 0); try_io("path_group TEST /boo", 1); try_io("path_group TEST /bar", 1); try_io("path_group TEST boo", 1); try_io("path_group TEST boo/", 1); try_io("path_group TEST /bar", 1); try_io("path_group TEST3 /\\*", 1); try_io("path_group TEST3 / /", 0); try_io("path_group TEST3 /boo", 1); try_io("path_group TEST3 /bar", 1); try_io("path_group TEST3 boo", 1); try_io("path_group TEST3 boo/", 1); try_io("deny_rewrite /", 1); try_io("deny_rewrite /foo", 1); try_io("deny_rewrite /\\*", 1); try_io("deny_rewrite /\\:", 0); try_io("deny_rewrite / /", 0); try_io("deny_rewrite @/TEST", 1); try_io("aggregator /boo/\\* /BOO", 1); try_io("aggregator /boo/\\* /BOO\\*", 0); try_io("aggregator /boo/\\*/ /BOO", 1); try_io("aggregator /boo/\\* /BOO/", 1); try_io("keep_domain ", 1); try_io("keep_domain /sbin/init", 1); try_io("keep_domain foo", 0); try_io("keep_domain \\*", 0); try_io("keep_domain /ssh", 1); try_io("keep_domain /ssh /foo", 0); try_io("keep_domain /foo from ", 1); try_io("keep_domain /foo from /sbin/init", 1); try_io("keep_domain from /sbin/init", 0); try_io("keep_domain \\* from /sbin/init", 0); try_io("no_keep_domain ", 1); try_io("no_keep_domain /sbin/init", 1); try_io("no_keep_domain foo", 0); try_io("no_keep_domain \\*", 0); try_io("no_keep_domain /ssh", 1); try_io("no_keep_domain /ssh /foo", 0); try_io("no_keep_domain /foo from ", 1); try_io("no_keep_domain /foo from /sbin/init", 1); try_io("no_keep_domain from /sbin/init", 0); try_io("no_keep_domain \\* from /sbin/init", 0); try_io("initialize_domain /foo", 1); try_io("initialize_domain /\\*", 1); try_io("initialize_domain /foo /bar", 0); try_io("initialize_domain /foo from /bar", 1); try_io("initialize_domain /foo from /bar", 1); try_io("initialize_domain /\\* from ", 1); try_io("initialize_domain /foo from \\*", 0); try_io("no_initialize_domain /foo", 1); try_io("no_initialize_domain /\\*", 1); try_io("no_initialize_domain /foo /bar", 0); try_io("no_initialize_domain /foo from /bar", 1); try_io("no_initialize_domain /foo from /bar", 1); try_io("no_initialize_domain /\\* from ", 1); try_io("no_initialize_domain /foo from \\*", 0); } } int main(int argc, char *argv[]) { tomoyo_test_init(); stage_policy_io_test(); return 0; }