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