| /*** |
| This file is part of systemd |
| |
| Copyright 2014 Ronny Chevalier |
| |
| systemd 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. |
| |
| systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include "sd-id128.h" |
| |
| #include "alloc-util.h" |
| #include "apparmor-util.h" |
| #include "architecture.h" |
| #include "audit-util.h" |
| #include "condition.h" |
| #include "hostname-util.h" |
| #include "id128-util.h" |
| #include "ima-util.h" |
| #include "log.h" |
| #include "macro.h" |
| #include "selinux-util.h" |
| #include "smack-util.h" |
| #include "strv.h" |
| #include "virt.h" |
| #include "util.h" |
| #include "user-util.h" |
| |
| static void test_condition_test_path(void) { |
| Condition *condition; |
| |
| condition = condition_new(CONDITION_PATH_EXISTS, "/bin/sh", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_EXISTS, "/bin/s?", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_EXISTS_GLOB, "/bin/s?", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_EXISTS_GLOB, "/bin/s?", false, true); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_EXISTS, "/thiscertainlywontexist", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_EXISTS, "/thiscertainlywontexist", false, true); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_DIRECTORY, "/bin", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_DIRECTORY_NOT_EMPTY, "/bin", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_FILE_NOT_EMPTY, "/bin/sh", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_FILE_IS_EXECUTABLE, "/bin/sh", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_FILE_IS_EXECUTABLE, "/etc/passwd", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_MOUNT_POINT, "/proc", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_MOUNT_POINT, "/", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_MOUNT_POINT, "/bin", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_READ_WRITE, "/tmp", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_PATH_IS_SYMBOLIC_LINK, "/dev/stdout", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_ac_power(void) { |
| Condition *condition; |
| |
| condition = condition_new(CONDITION_AC_POWER, "true", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == on_ac_power()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_AC_POWER, "false", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) != on_ac_power()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_AC_POWER, "false", false, true); |
| assert_se(condition); |
| assert_se(condition_test(condition) == on_ac_power()); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_host(void) { |
| _cleanup_free_ char *hostname = NULL; |
| char sid[SD_ID128_STRING_MAX]; |
| Condition *condition; |
| sd_id128_t id; |
| int r; |
| |
| r = sd_id128_get_machine(&id); |
| assert_se(r >= 0); |
| assert_se(sd_id128_to_string(id, sid)); |
| |
| condition = condition_new(CONDITION_HOST, sid, false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_HOST, "garbage value jjjjjjjjjjjjjj", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_HOST, sid, false, true); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| hostname = gethostname_malloc(); |
| assert_se(hostname); |
| |
| /* if hostname looks like an id128 then skip testing it */ |
| if (id128_is_valid(hostname)) |
| log_notice("hostname is an id128, skipping test"); |
| else { |
| condition = condition_new(CONDITION_HOST, hostname, false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| } |
| } |
| |
| static void test_condition_test_architecture(void) { |
| Condition *condition; |
| const char *sa; |
| int a; |
| |
| a = uname_architecture(); |
| assert_se(a >= 0); |
| |
| sa = architecture_to_string(a); |
| assert_se(sa); |
| |
| condition = condition_new(CONDITION_ARCHITECTURE, sa, false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) > 0); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_ARCHITECTURE, "garbage value", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == 0); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_ARCHITECTURE, sa, false, true); |
| assert_se(condition); |
| assert_se(condition_test(condition) == 0); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_kernel_command_line(void) { |
| Condition *condition; |
| |
| condition = condition_new(CONDITION_KERNEL_COMMAND_LINE, "thisreallyshouldntbeonthekernelcommandline", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_KERNEL_COMMAND_LINE, "andthis=neither", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_null(void) { |
| Condition *condition; |
| |
| condition = condition_new(CONDITION_NULL, NULL, false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_NULL, NULL, false, true); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_security(void) { |
| Condition *condition; |
| |
| condition = condition_new(CONDITION_SECURITY, "garbage oifdsjfoidsjoj", false, false); |
| assert_se(condition); |
| assert_se(!condition_test(condition)); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_SECURITY, "selinux", false, true); |
| assert_se(condition); |
| assert_se(condition_test(condition) != mac_selinux_use()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_SECURITY, "ima", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == use_ima()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_SECURITY, "apparmor", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == mac_apparmor_use()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_SECURITY, "smack", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == mac_smack_use()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_SECURITY, "audit", false, false); |
| assert_se(condition); |
| assert_se(condition_test(condition) == use_audit()); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_virtualization(void) { |
| Condition *condition; |
| const char *virt; |
| int r; |
| |
| condition = condition_new(CONDITION_VIRTUALIZATION, "garbage oifdsjfoidsjoj", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionVirtualization=garbage → %i", r); |
| assert_se(r == 0); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_VIRTUALIZATION, "container", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionVirtualization=container → %i", r); |
| assert_se(r == !!detect_container()); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_VIRTUALIZATION, "vm", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionVirtualization=vm → %i", r); |
| assert_se(r == (detect_vm() && !detect_container())); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_VIRTUALIZATION, "private-users", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionVirtualization=private-users → %i", r); |
| assert_se(r == !!running_in_userns()); |
| condition_free(condition); |
| |
| NULSTR_FOREACH(virt, |
| "kvm\0" |
| "qemu\0" |
| "bochs\0" |
| "xen\0" |
| "uml\0" |
| "vmware\0" |
| "oracle\0" |
| "microsoft\0" |
| "zvm\0" |
| "parallels\0" |
| "bhyve\0" |
| "vm_other\0") { |
| |
| condition = condition_new(CONDITION_VIRTUALIZATION, virt, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionVirtualization=%s → %i", virt, r); |
| assert_se(r >= 0); |
| condition_free(condition); |
| } |
| } |
| |
| static void test_condition_test_user(void) { |
| Condition *condition; |
| char* uid; |
| char* username; |
| int r; |
| |
| condition = condition_new(CONDITION_USER, "garbage oifdsjfoidsjoj", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=garbage → %i", r); |
| assert_se(r == 0); |
| condition_free(condition); |
| |
| assert_se(asprintf(&uid, "%"PRIu32, UINT32_C(0xFFFF)) > 0); |
| condition = condition_new(CONDITION_USER, uid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=%s → %i", uid, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| free(uid); |
| |
| assert_se(asprintf(&uid, "%u", (unsigned)getuid()) > 0); |
| condition = condition_new(CONDITION_USER, uid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=%s → %i", uid, r); |
| assert_se(r > 0); |
| condition_free(condition); |
| free(uid); |
| |
| assert_se(asprintf(&uid, "%u", (unsigned)getuid()+1) > 0); |
| condition = condition_new(CONDITION_USER, uid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=%s → %i", uid, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| free(uid); |
| |
| username = getusername_malloc(); |
| assert_se(username); |
| condition = condition_new(CONDITION_USER, username, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=%s → %i", username, r); |
| assert_se(r > 0); |
| condition_free(condition); |
| free(username); |
| |
| username = (char*)(geteuid() == 0 ? NOBODY_USER_NAME : "root"); |
| condition = condition_new(CONDITION_USER, username, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=%s → %i", username, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| |
| condition = condition_new(CONDITION_USER, "@system", false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionUser=@system → %i", r); |
| if (getuid() < SYSTEM_UID_MAX || geteuid() < SYSTEM_UID_MAX) |
| assert_se(r > 0); |
| else |
| assert_se(r == 0); |
| condition_free(condition); |
| } |
| |
| static void test_condition_test_group(void) { |
| Condition *condition; |
| char* gid; |
| char* groupname; |
| gid_t *gids, max_gid; |
| int ngroups_max, r, i; |
| |
| assert_se(0 < asprintf(&gid, "%u", UINT32_C(0xFFFF))); |
| condition = condition_new(CONDITION_GROUP, gid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", gid, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| free(gid); |
| |
| assert_se(0 < asprintf(&gid, "%u", getgid())); |
| condition = condition_new(CONDITION_GROUP, gid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", gid, r); |
| assert_se(r > 0); |
| condition_free(condition); |
| free(gid); |
| |
| ngroups_max = sysconf(_SC_NGROUPS_MAX); |
| assert(ngroups_max > 0); |
| |
| gids = alloca(sizeof(gid_t) * ngroups_max); |
| |
| r = getgroups(ngroups_max, gids); |
| assert(r >= 0); |
| |
| max_gid = getgid(); |
| for (i = 0; i < r; i++) { |
| assert_se(0 < asprintf(&gid, "%u", gids[i])); |
| condition = condition_new(CONDITION_GROUP, gid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", gid, r); |
| assert_se(r > 0); |
| condition_free(condition); |
| free(gid); |
| max_gid = gids[i] > max_gid ? gids[i] : max_gid; |
| |
| groupname = gid_to_name(gids[i]); |
| assert_se(groupname); |
| condition = condition_new(CONDITION_GROUP, groupname, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", groupname, r); |
| assert_se(r > 0); |
| condition_free(condition); |
| free(groupname); |
| max_gid = gids[i] > max_gid ? gids[i] : max_gid; |
| } |
| |
| assert_se(0 < asprintf(&gid, "%u", max_gid+1)); |
| condition = condition_new(CONDITION_GROUP, gid, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", gid, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| free(gid); |
| |
| groupname = (char*)(geteuid() == 0 ? NOBODY_GROUP_NAME : "root"); |
| condition = condition_new(CONDITION_GROUP, groupname, false, false); |
| assert_se(condition); |
| r = condition_test(condition); |
| log_info("ConditionGroup=%s → %i", groupname, r); |
| assert_se(r == 0); |
| condition_free(condition); |
| } |
| |
| int main(int argc, char *argv[]) { |
| log_set_max_level(LOG_DEBUG); |
| log_parse_environment(); |
| log_open(); |
| |
| test_condition_test_path(); |
| test_condition_test_ac_power(); |
| test_condition_test_host(); |
| test_condition_test_architecture(); |
| test_condition_test_kernel_command_line(); |
| test_condition_test_null(); |
| test_condition_test_security(); |
| test_condition_test_virtualization(); |
| test_condition_test_user(); |
| test_condition_test_group(); |
| |
| return 0; |
| } |