1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24 #include <string.h>
25
26
set_title(const char * title)27 static void set_title(const char* title) {
28 char buffer[512];
29 int err;
30
31 err = uv_get_process_title(buffer, sizeof(buffer));
32 ASSERT_OK(err);
33
34 err = uv_set_process_title(title);
35 ASSERT_OK(err);
36
37 err = uv_get_process_title(buffer, sizeof(buffer));
38 ASSERT_OK(err);
39
40 ASSERT_OK(strcmp(buffer, title));
41 }
42
43
uv_get_process_title_edge_cases(void)44 static void uv_get_process_title_edge_cases(void) {
45 char buffer[512];
46 int r;
47
48 /* Test a NULL buffer */
49 r = uv_get_process_title(NULL, 100);
50 ASSERT_EQ(r, UV_EINVAL);
51
52 /* Test size of zero */
53 r = uv_get_process_title(buffer, 0);
54 ASSERT_EQ(r, UV_EINVAL);
55
56 /* Test for insufficient buffer size */
57 r = uv_get_process_title(buffer, 1);
58 ASSERT_EQ(r, UV_ENOBUFS);
59 }
60
61
TEST_IMPL(process_title)62 TEST_IMPL(process_title) {
63 #if defined(__sun) || defined(__CYGWIN__) || defined(__MSYS__) || \
64 defined(__PASE__)
65 RETURN_SKIP("uv_(get|set)_process_title is not implemented.");
66 #endif
67
68 /* Check for format string vulnerabilities. */
69 set_title("%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s");
70 set_title("new title");
71
72 /* Check uv_get_process_title() edge cases */
73 uv_get_process_title_edge_cases();
74
75 return 0;
76 }
77
78
exit_cb(uv_process_t * process,int64_t status,int signo)79 static void exit_cb(uv_process_t* process, int64_t status, int signo) {
80 ASSERT_OK(status);
81 ASSERT_OK(signo);
82 uv_close((uv_handle_t*) process, NULL);
83 }
84
85
TEST_IMPL(process_title_big_argv)86 TEST_IMPL(process_title_big_argv) {
87 uv_process_options_t options;
88 uv_process_t process;
89 size_t exepath_size;
90 char exepath[1024];
91 char jumbo[512];
92 char* args[5];
93
94 #ifdef _WIN32
95 /* Remove once https://github.com/libuv/libuv/issues/2667 is fixed. */
96 uv_set_process_title("run-tests");
97 #endif
98
99 exepath_size = sizeof(exepath) - 1;
100 ASSERT_OK(uv_exepath(exepath, &exepath_size));
101 exepath[exepath_size] = '\0';
102
103 memset(jumbo, 'x', sizeof(jumbo) - 1);
104 jumbo[sizeof(jumbo) - 1] = '\0';
105
106 /* Note: need to pass three arguments, not two, otherwise
107 * run-tests.c thinks it's the name of a test to run.
108 */
109 args[0] = exepath;
110 args[1] = "process_title_big_argv_helper";
111 args[2] = jumbo;
112 args[3] = jumbo;
113 args[4] = NULL;
114
115 memset(&options, 0, sizeof(options));
116 options.file = exepath;
117 options.args = args;
118 options.exit_cb = exit_cb;
119
120 ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
121 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
122
123 MAKE_VALGRIND_HAPPY(uv_default_loop());
124 return 0;
125 }
126
127
128 /* Called by process_title_big_argv_helper. */
process_title_big_argv(void)129 void process_title_big_argv(void) {
130 char buf[256] = "fail";
131
132 /* Return value deliberately ignored. */
133 uv_get_process_title(buf, sizeof(buf));
134 ASSERT_NE(0, strcmp(buf, "fail"));
135 }
136
