a39e30141d
Until we implement full support for passwd/group files, add a simple way to use the new OEM UID/GID range (5000-5999). oem_XXX -> 5000 + XXX iff 0 <= XXX < 1000. Bug: 23225475 Change-Id: If48b88135d5df538313414f747d6c4c63bf0a103
360 lines
8.8 KiB
C++
360 lines
8.8 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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// Below are the header files we want to test.
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#include <grp.h>
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#include <pwd.h>
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#include <errno.h>
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#include <limits.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <unistd.h>
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enum uid_type_t {
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TYPE_SYSTEM,
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TYPE_APP
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};
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#if defined(__BIONIC__)
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static void check_passwd(const passwd* pwd, const char* username, uid_t uid, uid_type_t uid_type) {
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ASSERT_TRUE(pwd != NULL);
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ASSERT_STREQ(username, pwd->pw_name);
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ASSERT_EQ(uid, pwd->pw_uid);
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ASSERT_EQ(uid, pwd->pw_gid);
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ASSERT_EQ(NULL, pwd->pw_passwd);
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#ifdef __LP64__
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ASSERT_EQ(NULL, pwd->pw_gecos);
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#endif
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if (uid_type == TYPE_SYSTEM) {
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ASSERT_STREQ("/", pwd->pw_dir);
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} else {
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ASSERT_STREQ("/data", pwd->pw_dir);
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}
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ASSERT_STREQ("/system/bin/sh", pwd->pw_shell);
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}
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static void check_getpwuid(const char* username, uid_t uid, uid_type_t uid_type) {
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errno = 0;
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passwd* pwd = getpwuid(uid);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getpwuid");
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check_passwd(pwd, username, uid, uid_type);
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}
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static void check_getpwnam(const char* username, uid_t uid, uid_type_t uid_type) {
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errno = 0;
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passwd* pwd = getpwnam(username);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getpwnam");
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check_passwd(pwd, username, uid, uid_type);
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}
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static void check_getpwuid_r(const char* username, uid_t uid, uid_type_t uid_type) {
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passwd pwd_storage;
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char buf[512];
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int result;
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errno = 0;
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passwd* pwd = NULL;
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result = getpwuid_r(uid, &pwd_storage, buf, sizeof(buf), &pwd);
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ASSERT_EQ(0, result);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getpwuid_r");
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check_passwd(pwd, username, uid, uid_type);
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}
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static void check_getpwnam_r(const char* username, uid_t uid, uid_type_t uid_type) {
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passwd pwd_storage;
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char buf[512];
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int result;
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errno = 0;
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passwd* pwd = NULL;
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result = getpwnam_r(username, &pwd_storage, buf, sizeof(buf), &pwd);
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ASSERT_EQ(0, result);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getpwnam_r");
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check_passwd(pwd, username, uid, uid_type);
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}
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static void check_get_passwd(const char* username, uid_t uid, uid_type_t uid_type) {
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check_getpwuid(username, uid, uid_type);
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check_getpwnam(username, uid, uid_type);
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check_getpwuid_r(username, uid, uid_type);
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check_getpwnam_r(username, uid, uid_type);
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}
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#else // !defined(__BIONIC__)
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static void check_get_passwd(const char* /* username */, uid_t /* uid */, uid_type_t /* uid_type */) {
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GTEST_LOG_(INFO) << "This test is about uid/username translation for Android, which does nothing on libc other than bionic.\n";
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}
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#endif
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TEST(getpwnam, system_id_root) {
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check_get_passwd("root", 0, TYPE_SYSTEM);
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}
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TEST(getpwnam, system_id_system) {
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check_get_passwd("system", 1000, TYPE_SYSTEM);
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}
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TEST(getpwnam, app_id_radio) {
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check_get_passwd("radio", 1001, TYPE_SYSTEM);
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}
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TEST(getpwnam, oem_id_0) {
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check_get_passwd("oem_0", 5000, TYPE_SYSTEM);
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}
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TEST(getpwnam, oem_id_999) {
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check_get_passwd("oem_999", 5999, TYPE_SYSTEM);
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}
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TEST(getpwnam, app_id_nobody) {
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check_get_passwd("nobody", 9999, TYPE_SYSTEM);
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}
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TEST(getpwnam, app_id_u0_a0) {
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check_get_passwd("u0_a0", 10000, TYPE_APP);
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}
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TEST(getpwnam, app_id_u0_a1234) {
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check_get_passwd("u0_a1234", 11234, TYPE_APP);
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}
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// Test the difference between uid and shared gid.
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TEST(getpwnam, app_id_u0_a49999) {
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check_get_passwd("u0_a49999", 59999, TYPE_APP);
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}
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TEST(getpwnam, app_id_u0_i1) {
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check_get_passwd("u0_i1", 99001, TYPE_APP);
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}
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TEST(getpwnam, app_id_u1_root) {
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check_get_passwd("u1_root", 100000, TYPE_SYSTEM);
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}
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TEST(getpwnam, app_id_u1_radio) {
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check_get_passwd("u1_radio", 101001, TYPE_SYSTEM);
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}
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TEST(getpwnam, app_id_u1_a0) {
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check_get_passwd("u1_a0", 110000, TYPE_APP);
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}
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TEST(getpwnam, app_id_u1_a40000) {
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check_get_passwd("u1_a40000", 150000, TYPE_APP);
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}
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TEST(getpwnam, app_id_u1_i0) {
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check_get_passwd("u1_i0", 199000, TYPE_APP);
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}
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static void check_group(const group* grp, const char* group_name, gid_t gid) {
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ASSERT_TRUE(grp != NULL);
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ASSERT_STREQ(group_name, grp->gr_name);
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ASSERT_EQ(gid, grp->gr_gid);
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ASSERT_TRUE(grp->gr_mem != NULL);
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ASSERT_STREQ(group_name, grp->gr_mem[0]);
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ASSERT_TRUE(grp->gr_mem[1] == NULL);
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}
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#if defined(__BIONIC__)
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static void check_getgrgid(const char* group_name, gid_t gid) {
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errno = 0;
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group* grp = getgrgid(gid);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getgrgid");
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check_group(grp, group_name, gid);
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}
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static void check_getgrnam(const char* group_name, gid_t gid) {
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errno = 0;
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group* grp = getgrnam(group_name);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getgrnam");
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check_group(grp, group_name, gid);
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}
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static void check_getgrgid_r(const char* group_name, gid_t gid) {
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group grp_storage;
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char buf[512];
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group* grp;
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errno = 0;
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int result = getgrgid_r(gid, &grp_storage, buf, sizeof(buf), &grp);
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ASSERT_EQ(0, result);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getgrgid_r");
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check_group(grp, group_name, gid);
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}
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static void check_getgrnam_r(const char* group_name, gid_t gid) {
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group grp_storage;
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char buf[512];
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group* grp;
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errno = 0;
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int result = getgrnam_r(group_name, &grp_storage, buf, sizeof(buf), &grp);
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ASSERT_EQ(0, result);
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ASSERT_EQ(0, errno);
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SCOPED_TRACE("getgrnam_r");
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check_group(grp, group_name, gid);
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}
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static void check_get_group(const char* group_name, gid_t gid) {
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check_getgrgid(group_name, gid);
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check_getgrnam(group_name, gid);
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check_getgrgid_r(group_name, gid);
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check_getgrnam_r(group_name, gid);
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}
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#else // !defined(__BIONIC__)
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static void print_no_getgrnam_test_info() {
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GTEST_LOG_(INFO) << "This test is about gid/group_name translation for Android, which does nothing on libc other than bionic.\n";
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}
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static void check_get_group(const char*, gid_t) {
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print_no_getgrnam_test_info();
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}
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#endif
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TEST(getgrnam, system_id_root) {
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check_get_group("root", 0);
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}
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TEST(getgrnam, system_id_system) {
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check_get_group("system", 1000);
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}
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TEST(getgrnam, app_id_radio) {
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check_get_group("radio", 1001);
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}
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TEST(getgrnam, oem_id_0) {
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check_get_group("oem_0", 5000);
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}
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TEST(getgrnam, oem_id_999) {
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check_get_group("oem_999", 5999);
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}
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TEST(getgrnam, app_id_nobody) {
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check_get_group("nobody", 9999);
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}
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TEST(getgrnam, app_id_u0_a0) {
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check_get_group("u0_a0", 10000);
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}
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TEST(getgrnam, app_id_u0_a1234) {
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check_get_group("u0_a1234", 11234);
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}
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TEST(getgrnam, app_id_u0_a9999) {
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check_get_group("u0_a9999", 19999);
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}
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// Test the difference between uid and shared gid.
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TEST(getgrnam, app_id_all_a9999) {
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check_get_group("all_a9999", 59999);
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}
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TEST(getgrnam, app_id_u0_i1) {
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check_get_group("u0_i1", 99001);
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}
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TEST(getgrnam, app_id_u1_root) {
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check_get_group("u1_root", 100000);
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}
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TEST(getgrnam, app_id_u1_radio) {
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check_get_group("u1_radio", 101001);
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}
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TEST(getgrnam, app_id_u1_a0) {
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check_get_group("u1_a0", 110000);
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}
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TEST(getgrnam, app_id_u1_a40000) {
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check_get_group("u1_a40000", 150000);
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}
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TEST(getgrnam, app_id_u1_i0) {
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check_get_group("u1_i0", 199000);
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}
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TEST(getgrnam_r, reentrancy) {
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#if defined(__BIONIC__)
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group grp_storage[2];
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char buf[2][512];
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group* grp[3];
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int result = getgrnam_r("root", &grp_storage[0], buf[0], sizeof(buf[0]), &grp[0]);
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ASSERT_EQ(0, result);
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check_group(grp[0], "root", 0);
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grp[1] = getgrnam("system");
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check_group(grp[1], "system", 1000);
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result = getgrnam_r("radio", &grp_storage[1], buf[1], sizeof(buf[1]), &grp[2]);
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ASSERT_EQ(0, result);
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check_group(grp[2], "radio", 1001);
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check_group(grp[0], "root", 0);
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check_group(grp[1], "system", 1000);
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#else
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print_no_getgrnam_test_info();
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#endif
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}
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TEST(getgrgid_r, reentrancy) {
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#if defined(__BIONIC__)
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group grp_storage[2];
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char buf[2][512];
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group* grp[3];
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int result = getgrgid_r(0, &grp_storage[0], buf[0], sizeof(buf[0]), &grp[0]);
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ASSERT_EQ(0, result);
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check_group(grp[0], "root", 0);
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grp[1] = getgrgid(1000);
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check_group(grp[1], "system", 1000);
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result = getgrgid_r(1001, &grp_storage[1], buf[1], sizeof(buf[1]), &grp[2]);
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ASSERT_EQ(0, result);
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check_group(grp[2], "radio", 1001);
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check_group(grp[0], "root", 0);
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check_group(grp[1], "system", 1000);
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#else
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print_no_getgrnam_test_info();
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#endif
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}
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TEST(getgrnam_r, large_enough_suggested_buffer_size) {
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long size = sysconf(_SC_GETGR_R_SIZE_MAX);
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ASSERT_GT(size, 0);
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char buf[size];
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group grp_storage;
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group* grp;
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ASSERT_EQ(0, getgrnam_r("root", &grp_storage, buf, size, &grp));
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check_group(grp, "root", 0);
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}
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