1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "init_parser.h"
18
19#include "init.h"
20#include "service.h"
21#include "util.h"
22
23#include <errno.h>
24#include <gtest/gtest.h>
25
26#include <string>
27#include <vector>
28
29TEST(init_parser, make_exec_oneshot_service_invalid_syntax) {
30    ServiceManager& sm = ServiceManager::GetInstance();
31    std::vector<std::string> args;
32    // Nothing.
33    ASSERT_EQ(nullptr, sm.MakeExecOneshotService(args));
34
35    // No arguments to 'exec'.
36    args.push_back("exec");
37    ASSERT_EQ(nullptr, sm.MakeExecOneshotService(args));
38
39    // No command in "exec --".
40    args.push_back("--");
41    ASSERT_EQ(nullptr, sm.MakeExecOneshotService(args));
42}
43
44TEST(init_parser, make_exec_oneshot_service_too_many_supplementary_gids) {
45    ServiceManager& sm = ServiceManager::GetInstance();
46    std::vector<std::string> args;
47    args.push_back("exec");
48    args.push_back("seclabel");
49    args.push_back("root"); // uid.
50    args.push_back("root"); // gid.
51    for (int i = 0; i < NR_SVC_SUPP_GIDS; ++i) {
52        args.push_back("root"); // Supplementary gid.
53    }
54    args.push_back("--");
55    args.push_back("/system/bin/id");
56    ASSERT_EQ(nullptr, sm.MakeExecOneshotService(args));
57}
58
59static void Test_make_exec_oneshot_service(bool dash_dash, bool seclabel, bool uid,
60                                           bool gid, bool supplementary_gids) {
61    ServiceManager& sm = ServiceManager::GetInstance();
62    std::vector<std::string> args;
63    args.push_back("exec");
64    if (seclabel) {
65        args.push_back("u:r:su:s0"); // seclabel
66        if (uid) {
67            args.push_back("log");      // uid
68            if (gid) {
69                args.push_back("shell");     // gid
70                if (supplementary_gids) {
71                    args.push_back("system");    // supplementary gid 0
72                    args.push_back("adb");       // supplementary gid 1
73                }
74            }
75        }
76    }
77    if (dash_dash) {
78        args.push_back("--");
79    }
80    args.push_back("/system/bin/toybox");
81    args.push_back("id");
82    Service* svc = sm.MakeExecOneshotService(args);
83    ASSERT_NE(nullptr, svc);
84
85    if (seclabel) {
86        ASSERT_EQ("u:r:su:s0", svc->seclabel());
87    } else {
88        ASSERT_EQ("", svc->seclabel());
89    }
90    if (uid) {
91        ASSERT_EQ(decode_uid("log"), svc->uid());
92    } else {
93        ASSERT_EQ(0U, svc->uid());
94    }
95    if (gid) {
96        ASSERT_EQ(decode_uid("shell"), svc->gid());
97    } else {
98        ASSERT_EQ(0U, svc->gid());
99    }
100    if (supplementary_gids) {
101        ASSERT_EQ(2U, svc->supp_gids().size());
102        ASSERT_EQ(decode_uid("system"), svc->supp_gids()[0]);
103        ASSERT_EQ(decode_uid("adb"), svc->supp_gids()[1]);
104    } else {
105        ASSERT_EQ(0U, svc->supp_gids().size());
106    }
107
108    ASSERT_EQ(static_cast<std::size_t>(2), svc->args().size());
109    ASSERT_EQ("/system/bin/toybox", svc->args()[0]);
110    ASSERT_EQ("id", svc->args()[1]);
111}
112
113TEST(init_parser, make_exec_oneshot_service_with_everything) {
114    Test_make_exec_oneshot_service(true, true, true, true, true);
115}
116
117TEST(init_parser, make_exec_oneshot_service_with_seclabel_uid_gid) {
118    Test_make_exec_oneshot_service(true, true, true, true, false);
119}
120
121TEST(init_parser, make_exec_oneshot_service_with_seclabel_uid) {
122    Test_make_exec_oneshot_service(true, true, true, false, false);
123}
124
125TEST(init_parser, make_exec_oneshot_service_with_seclabel) {
126    Test_make_exec_oneshot_service(true, true, false, false, false);
127}
128
129TEST(init_parser, make_exec_oneshot_service_with_just_command) {
130    Test_make_exec_oneshot_service(true, false, false, false, false);
131}
132
133TEST(init_parser, make_exec_oneshot_service_with_just_command_no_dash) {
134    Test_make_exec_oneshot_service(false, false, false, false, false);
135}
136