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
27static 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
44static 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
62TEST_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
79static 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
86TEST_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. */
129void 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