xref: /libuv/test/test-spawn.c (revision 009d7414)
1 
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22 
23 #include "uv.h"
24 #include "task.h"
25 #include <errno.h>
26 #include <fcntl.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 
31 #ifdef _WIN32
32 # include <shellapi.h>
33 # include <wchar.h>
34   typedef BOOL (WINAPI *sCompareObjectHandles)(_In_ HANDLE, _In_ HANDLE);
35 # define unlink _unlink
36 # define putenv _putenv
37 # define close _close
38 #else
39 # include <unistd.h>
40 # include <sys/wait.h>
41 #endif
42 
43 
44 static int close_cb_called;
45 static int exit_cb_called;
46 static uv_process_t process;
47 static uv_timer_t timer;
48 static uv_process_options_t options;
49 static char exepath[1024];
50 static size_t exepath_size = 1024;
51 static char* args[5];
52 static int no_term_signal;
53 static int timer_counter;
54 static uv_tcp_t tcp_server;
55 
56 #define OUTPUT_SIZE 1024
57 static char output[OUTPUT_SIZE];
58 static int output_used;
59 
60 
close_cb(uv_handle_t * handle)61 static void close_cb(uv_handle_t* handle) {
62   printf("close_cb\n");
63   close_cb_called++;
64 }
65 
exit_cb(uv_process_t * process,int64_t exit_status,int term_signal)66 static void exit_cb(uv_process_t* process,
67                     int64_t exit_status,
68                     int term_signal) {
69   printf("exit_cb\n");
70   exit_cb_called++;
71   ASSERT_EQ(1, exit_status);
72   ASSERT_OK(term_signal);
73   uv_close((uv_handle_t*) process, close_cb);
74 }
75 
76 
fail_cb(uv_process_t * process,int64_t exit_status,int term_signal)77 static void fail_cb(uv_process_t* process,
78                     int64_t exit_status,
79                     int term_signal) {
80   ASSERT(0 && "fail_cb called");
81 }
82 
83 
kill_cb(uv_process_t * process,int64_t exit_status,int term_signal)84 static void kill_cb(uv_process_t* process,
85                     int64_t exit_status,
86                     int term_signal) {
87   int err;
88 
89   printf("exit_cb\n");
90   exit_cb_called++;
91 #ifdef _WIN32
92   ASSERT_EQ(1, exit_status);
93 #else
94   ASSERT_OK(exit_status);
95 #endif
96 #if defined(__APPLE__) || defined(__MVS__)
97   /*
98    * At least starting with Darwin Kernel Version 16.4.0, sending a SIGTERM to a
99    * process that is still starting up kills it with SIGKILL instead of SIGTERM.
100    * See: https://github.com/libuv/libuv/issues/1226
101    */
102   ASSERT(no_term_signal || term_signal == SIGTERM || term_signal == SIGKILL);
103 #else
104   ASSERT(no_term_signal || term_signal == SIGTERM);
105 #endif
106   uv_close((uv_handle_t*) process, close_cb);
107 
108   /*
109    * Sending signum == 0 should check if the
110    * child process is still alive, not kill it.
111    * This process should be dead.
112    */
113   err = uv_kill(process->pid, 0);
114   ASSERT_EQ(err, UV_ESRCH);
115 }
116 
detach_failure_cb(uv_process_t * process,int64_t exit_status,int term_signal)117 static void detach_failure_cb(uv_process_t* process,
118                               int64_t exit_status,
119                               int term_signal) {
120   printf("detach_cb\n");
121   exit_cb_called++;
122 }
123 
on_alloc(uv_handle_t * handle,size_t suggested_size,uv_buf_t * buf)124 static void on_alloc(uv_handle_t* handle,
125                      size_t suggested_size,
126                      uv_buf_t* buf) {
127   buf->base = output + output_used;
128   buf->len = OUTPUT_SIZE - output_used;
129 }
130 
131 
on_read(uv_stream_t * tcp,ssize_t nread,const uv_buf_t * buf)132 static void on_read(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
133   if (nread > 0) {
134     output_used += nread;
135   } else if (nread < 0) {
136     ASSERT_EQ(nread, UV_EOF);
137     uv_close((uv_handle_t*) tcp, close_cb);
138   }
139 }
140 
141 
on_read_once(uv_stream_t * tcp,ssize_t nread,const uv_buf_t * buf)142 static void on_read_once(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
143   uv_read_stop(tcp);
144   on_read(tcp, nread, buf);
145 }
146 
147 
write_cb(uv_write_t * req,int status)148 static void write_cb(uv_write_t* req, int status) {
149   ASSERT_OK(status);
150   uv_close((uv_handle_t*) req->handle, close_cb);
151 }
152 
153 
write_null_cb(uv_write_t * req,int status)154 static void write_null_cb(uv_write_t* req, int status) {
155   ASSERT_OK(status);
156 }
157 
158 
init_process_options(char * test,uv_exit_cb exit_cb)159 static void init_process_options(char* test, uv_exit_cb exit_cb) {
160   /* Note spawn_helper1 defined in test/run-tests.c */
161   int r = uv_exepath(exepath, &exepath_size);
162   ASSERT_OK(r);
163   exepath[exepath_size] = '\0';
164   args[0] = exepath;
165   args[1] = test;
166   args[2] = NULL;
167   args[3] = NULL;
168   args[4] = NULL;
169   options.file = exepath;
170   options.args = args;
171   options.exit_cb = exit_cb;
172   options.flags = 0;
173 }
174 
175 
timer_cb(uv_timer_t * handle)176 static void timer_cb(uv_timer_t* handle) {
177   uv_process_kill(&process, SIGTERM);
178   uv_close((uv_handle_t*) handle, close_cb);
179 }
180 
181 
timer_counter_cb(uv_timer_t * handle)182 static void timer_counter_cb(uv_timer_t* handle) {
183   ++timer_counter;
184 }
185 
186 
TEST_IMPL(spawn_fails)187 TEST_IMPL(spawn_fails) {
188   int r;
189 
190   init_process_options("", fail_cb);
191   options.file = options.args[0] = "program-that-had-better-not-exist";
192 
193   r = uv_spawn(uv_default_loop(), &process, &options);
194   ASSERT(r == UV_ENOENT || r == UV_EACCES);
195   ASSERT_OK(uv_is_active((uv_handle_t*) &process));
196   uv_close((uv_handle_t*) &process, NULL);
197   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
198 
199   MAKE_VALGRIND_HAPPY(uv_default_loop());
200   return 0;
201 }
202 
203 
204 #ifndef _WIN32
TEST_IMPL(spawn_fails_check_for_waitpid_cleanup)205 TEST_IMPL(spawn_fails_check_for_waitpid_cleanup) {
206   int r;
207   int status;
208   int err;
209 
210   init_process_options("", fail_cb);
211   options.file = options.args[0] = "program-that-had-better-not-exist";
212 
213   r = uv_spawn(uv_default_loop(), &process, &options);
214   ASSERT(r == UV_ENOENT || r == UV_EACCES);
215   ASSERT_OK(uv_is_active((uv_handle_t*) &process));
216   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
217 
218   /* verify the child is successfully cleaned up within libuv */
219   do
220     err = waitpid(process.pid, &status, 0);
221   while (err == -1 && errno == EINTR);
222 
223   ASSERT_EQ(err, -1);
224   ASSERT_EQ(errno, ECHILD);
225 
226   uv_close((uv_handle_t*) &process, NULL);
227   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
228 
229   MAKE_VALGRIND_HAPPY(uv_default_loop());
230   return 0;
231 }
232 #endif
233 
234 
TEST_IMPL(spawn_empty_env)235 TEST_IMPL(spawn_empty_env) {
236   char* env[1];
237 
238   /* The autotools dynamic library build requires the presence of
239    * DYLD_LIBARY_PATH (macOS) or LD_LIBRARY_PATH/LIBPATH (other Unices)
240    * in the environment, but of course that doesn't work with
241    * the empty environment that we're testing here.
242    */
243   if (NULL != getenv("DYLD_LIBRARY_PATH") ||
244       NULL != getenv("LD_LIBRARY_PATH") ||
245       NULL != getenv("LIBPATH")) {
246     RETURN_SKIP("doesn't work with DYLD_LIBRARY_PATH/LD_LIBRARY_PATH/LIBPATH");
247   }
248 
249   init_process_options("spawn_helper1", exit_cb);
250   options.env = env;
251   env[0] = NULL;
252 
253   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
254   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
255 
256   ASSERT_EQ(1, exit_cb_called);
257   ASSERT_EQ(1, close_cb_called);
258 
259   MAKE_VALGRIND_HAPPY(uv_default_loop());
260   return 0;
261 }
262 
263 
TEST_IMPL(spawn_exit_code)264 TEST_IMPL(spawn_exit_code) {
265   int r;
266 
267   init_process_options("spawn_helper1", exit_cb);
268 
269   r = uv_spawn(uv_default_loop(), &process, &options);
270   ASSERT_OK(r);
271 
272   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
273   ASSERT_OK(r);
274 
275   ASSERT_EQ(1, exit_cb_called);
276   ASSERT_EQ(1, close_cb_called);
277 
278   MAKE_VALGRIND_HAPPY(uv_default_loop());
279   return 0;
280 }
281 
282 
TEST_IMPL(spawn_stdout)283 TEST_IMPL(spawn_stdout) {
284   int r;
285   uv_pipe_t out;
286   uv_stdio_container_t stdio[2];
287 
288   init_process_options("spawn_helper2", exit_cb);
289 
290   uv_pipe_init(uv_default_loop(), &out, 0);
291   options.stdio = stdio;
292   options.stdio[0].flags = UV_IGNORE;
293   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
294   options.stdio[1].data.stream = (uv_stream_t*) &out;
295   options.stdio_count = 2;
296 
297   r = uv_spawn(uv_default_loop(), &process, &options);
298   ASSERT_OK(r);
299 
300   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
301   ASSERT_OK(r);
302 
303   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
304   ASSERT_OK(r);
305 
306   ASSERT_EQ(1, exit_cb_called);
307   ASSERT_EQ(2, close_cb_called); /* Once for process once for the pipe. */
308   printf("output is: %s", output);
309   ASSERT_OK(strcmp("hello world\n", output));
310 
311   MAKE_VALGRIND_HAPPY(uv_default_loop());
312   return 0;
313 }
314 
315 
TEST_IMPL(spawn_stdout_to_file)316 TEST_IMPL(spawn_stdout_to_file) {
317   int r;
318   uv_file file;
319   uv_fs_t fs_req;
320   uv_stdio_container_t stdio[2];
321   uv_buf_t buf;
322 
323   /* Setup. */
324   unlink("stdout_file");
325 
326   init_process_options("spawn_helper2", exit_cb);
327 
328   r = uv_fs_open(NULL, &fs_req, "stdout_file", UV_FS_O_CREAT | UV_FS_O_RDWR,
329       S_IRUSR | S_IWUSR, NULL);
330   ASSERT_NE(r, -1);
331   uv_fs_req_cleanup(&fs_req);
332 
333   file = r;
334 
335   options.stdio = stdio;
336   options.stdio[0].flags = UV_IGNORE;
337   options.stdio[1].flags = UV_INHERIT_FD;
338   options.stdio[1].data.fd = file;
339   options.stdio_count = 2;
340 
341   r = uv_spawn(uv_default_loop(), &process, &options);
342   ASSERT_OK(r);
343 
344   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
345   ASSERT_OK(r);
346 
347   ASSERT_EQ(1, exit_cb_called);
348   ASSERT_EQ(1, close_cb_called);
349 
350   buf = uv_buf_init(output, sizeof(output));
351   r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
352   ASSERT_EQ(12, r);
353   uv_fs_req_cleanup(&fs_req);
354 
355   r = uv_fs_close(NULL, &fs_req, file, NULL);
356   ASSERT_OK(r);
357   uv_fs_req_cleanup(&fs_req);
358 
359   printf("output is: %s", output);
360   ASSERT_OK(strcmp("hello world\n", output));
361 
362   /* Cleanup. */
363   unlink("stdout_file");
364 
365   MAKE_VALGRIND_HAPPY(uv_default_loop());
366   return 0;
367 }
368 
369 
TEST_IMPL(spawn_stdout_and_stderr_to_file)370 TEST_IMPL(spawn_stdout_and_stderr_to_file) {
371   int r;
372   uv_file file;
373   uv_fs_t fs_req;
374   uv_stdio_container_t stdio[3];
375   uv_buf_t buf;
376 
377   /* Setup. */
378   unlink("stdout_file");
379 
380   init_process_options("spawn_helper6", exit_cb);
381 
382   r = uv_fs_open(NULL, &fs_req, "stdout_file", UV_FS_O_CREAT | UV_FS_O_RDWR,
383       S_IRUSR | S_IWUSR, NULL);
384   ASSERT_NE(r, -1);
385   uv_fs_req_cleanup(&fs_req);
386 
387   file = r;
388 
389   options.stdio = stdio;
390   options.stdio[0].flags = UV_IGNORE;
391   options.stdio[1].flags = UV_INHERIT_FD;
392   options.stdio[1].data.fd = file;
393   options.stdio[2].flags = UV_INHERIT_FD;
394   options.stdio[2].data.fd = file;
395   options.stdio_count = 3;
396 
397   r = uv_spawn(uv_default_loop(), &process, &options);
398   ASSERT_OK(r);
399 
400   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
401   ASSERT_OK(r);
402 
403   ASSERT_EQ(1, exit_cb_called);
404   ASSERT_EQ(1, close_cb_called);
405 
406   buf = uv_buf_init(output, sizeof(output));
407   r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
408   ASSERT_EQ(27, r);
409   uv_fs_req_cleanup(&fs_req);
410 
411   r = uv_fs_close(NULL, &fs_req, file, NULL);
412   ASSERT_OK(r);
413   uv_fs_req_cleanup(&fs_req);
414 
415   printf("output is: %s", output);
416   ASSERT_OK(strcmp("hello world\nhello errworld\n", output));
417 
418   /* Cleanup. */
419   unlink("stdout_file");
420 
421   MAKE_VALGRIND_HAPPY(uv_default_loop());
422   return 0;
423 }
424 
425 
TEST_IMPL(spawn_stdout_and_stderr_to_file2)426 TEST_IMPL(spawn_stdout_and_stderr_to_file2) {
427 #ifndef _WIN32
428   int r;
429   uv_file file;
430   uv_fs_t fs_req;
431   uv_stdio_container_t stdio[3];
432   uv_buf_t buf;
433 
434   /* Setup. */
435   unlink("stdout_file");
436 
437   init_process_options("spawn_helper6", exit_cb);
438 
439   /* Replace stderr with our file */
440   r = uv_fs_open(NULL,
441                  &fs_req,
442                  "stdout_file",
443                  O_CREAT | O_RDWR,
444                  S_IRUSR | S_IWUSR,
445                  NULL);
446   ASSERT_NE(r, -1);
447   uv_fs_req_cleanup(&fs_req);
448   file = dup2(r, STDERR_FILENO);
449   ASSERT_NE(file, -1);
450 
451   options.stdio = stdio;
452   options.stdio[0].flags = UV_IGNORE;
453   options.stdio[1].flags = UV_INHERIT_FD;
454   options.stdio[1].data.fd = file;
455   options.stdio[2].flags = UV_INHERIT_FD;
456   options.stdio[2].data.fd = file;
457   options.stdio_count = 3;
458 
459   r = uv_spawn(uv_default_loop(), &process, &options);
460   ASSERT_OK(r);
461 
462   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
463   ASSERT_OK(r);
464 
465   ASSERT_EQ(1, exit_cb_called);
466   ASSERT_EQ(1, close_cb_called);
467 
468   buf = uv_buf_init(output, sizeof(output));
469   r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
470   ASSERT_EQ(27, r);
471   uv_fs_req_cleanup(&fs_req);
472 
473   r = uv_fs_close(NULL, &fs_req, file, NULL);
474   ASSERT_OK(r);
475   uv_fs_req_cleanup(&fs_req);
476 
477   printf("output is: %s", output);
478   ASSERT_OK(strcmp("hello world\nhello errworld\n", output));
479 
480   /* Cleanup. */
481   unlink("stdout_file");
482 
483   MAKE_VALGRIND_HAPPY(uv_default_loop());
484   return 0;
485 #else
486   RETURN_SKIP("Unix only test");
487 #endif
488 }
489 
490 
TEST_IMPL(spawn_stdout_and_stderr_to_file_swap)491 TEST_IMPL(spawn_stdout_and_stderr_to_file_swap) {
492 #ifndef _WIN32
493   int r;
494   uv_file stdout_file;
495   uv_file stderr_file;
496   uv_fs_t fs_req;
497   uv_stdio_container_t stdio[3];
498   uv_buf_t buf;
499 
500   /* Setup. */
501   unlink("stdout_file");
502   unlink("stderr_file");
503 
504   init_process_options("spawn_helper6", exit_cb);
505 
506   /* open 'stdout_file' and replace STDOUT_FILENO with it */
507   r = uv_fs_open(NULL,
508                  &fs_req,
509                  "stdout_file",
510                  O_CREAT | O_RDWR,
511                  S_IRUSR | S_IWUSR,
512                  NULL);
513   ASSERT_NE(r, -1);
514   uv_fs_req_cleanup(&fs_req);
515   stdout_file = dup2(r, STDOUT_FILENO);
516   ASSERT_NE(stdout_file, -1);
517 
518   /* open 'stderr_file' and replace STDERR_FILENO with it */
519   r = uv_fs_open(NULL, &fs_req, "stderr_file", O_CREAT | O_RDWR,
520       S_IRUSR | S_IWUSR, NULL);
521   ASSERT_NE(r, -1);
522   uv_fs_req_cleanup(&fs_req);
523   stderr_file = dup2(r, STDERR_FILENO);
524   ASSERT_NE(stderr_file, -1);
525 
526   /* now we're going to swap them: the child process' stdout will be our
527    * stderr_file and vice versa */
528   options.stdio = stdio;
529   options.stdio[0].flags = UV_IGNORE;
530   options.stdio[1].flags = UV_INHERIT_FD;
531   options.stdio[1].data.fd = stderr_file;
532   options.stdio[2].flags = UV_INHERIT_FD;
533   options.stdio[2].data.fd = stdout_file;
534   options.stdio_count = 3;
535 
536   r = uv_spawn(uv_default_loop(), &process, &options);
537   ASSERT_OK(r);
538 
539   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
540   ASSERT_OK(r);
541 
542   ASSERT_EQ(1, exit_cb_called);
543   ASSERT_EQ(1, close_cb_called);
544 
545   buf = uv_buf_init(output, sizeof(output));
546 
547   /* check the content of stdout_file */
548   r = uv_fs_read(NULL, &fs_req, stdout_file, &buf, 1, 0, NULL);
549   ASSERT_GE(r, 15);
550   uv_fs_req_cleanup(&fs_req);
551 
552   r = uv_fs_close(NULL, &fs_req, stdout_file, NULL);
553   ASSERT_OK(r);
554   uv_fs_req_cleanup(&fs_req);
555 
556   printf("output is: %s", output);
557   ASSERT_OK(strncmp("hello errworld\n", output, 15));
558 
559   /* check the content of stderr_file */
560   r = uv_fs_read(NULL, &fs_req, stderr_file, &buf, 1, 0, NULL);
561   ASSERT_GE(r, 12);
562   uv_fs_req_cleanup(&fs_req);
563 
564   r = uv_fs_close(NULL, &fs_req, stderr_file, NULL);
565   ASSERT_OK(r);
566   uv_fs_req_cleanup(&fs_req);
567 
568   printf("output is: %s", output);
569   ASSERT_OK(strncmp("hello world\n", output, 12));
570 
571   /* Cleanup. */
572   unlink("stdout_file");
573   unlink("stderr_file");
574 
575   MAKE_VALGRIND_HAPPY(uv_default_loop());
576   return 0;
577 #else
578   RETURN_SKIP("Unix only test");
579 #endif
580 }
581 
582 
TEST_IMPL(spawn_stdin)583 TEST_IMPL(spawn_stdin) {
584   int r;
585   uv_pipe_t out;
586   uv_pipe_t in;
587   uv_write_t write_req;
588   uv_buf_t buf;
589   uv_stdio_container_t stdio[2];
590   char buffer[] = "hello-from-spawn_stdin";
591 
592   init_process_options("spawn_helper3", exit_cb);
593 
594   uv_pipe_init(uv_default_loop(), &out, 0);
595   uv_pipe_init(uv_default_loop(), &in, 0);
596   options.stdio = stdio;
597   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
598   options.stdio[0].data.stream = (uv_stream_t*) &in;
599   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
600   options.stdio[1].data.stream = (uv_stream_t*) &out;
601   options.stdio_count = 2;
602 
603   r = uv_spawn(uv_default_loop(), &process, &options);
604   ASSERT_OK(r);
605 
606   buf.base = buffer;
607   buf.len = sizeof(buffer);
608   r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
609   ASSERT_OK(r);
610 
611   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
612   ASSERT_OK(r);
613 
614   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
615   ASSERT_OK(r);
616 
617   ASSERT_EQ(1, exit_cb_called);
618   ASSERT_EQ(3, close_cb_called); /* Once for process twice for the pipe. */
619   ASSERT_OK(strcmp(buffer, output));
620 
621   MAKE_VALGRIND_HAPPY(uv_default_loop());
622   return 0;
623 }
624 
625 
TEST_IMPL(spawn_stdio_greater_than_3)626 TEST_IMPL(spawn_stdio_greater_than_3) {
627   int r;
628   uv_pipe_t pipe;
629   uv_stdio_container_t stdio[4];
630 
631   init_process_options("spawn_helper5", exit_cb);
632 
633   uv_pipe_init(uv_default_loop(), &pipe, 0);
634   options.stdio = stdio;
635   options.stdio[0].flags = UV_IGNORE;
636   options.stdio[1].flags = UV_IGNORE;
637   options.stdio[2].flags = UV_IGNORE;
638   options.stdio[3].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
639   options.stdio[3].data.stream = (uv_stream_t*) &pipe;
640   options.stdio_count = 4;
641 
642   r = uv_spawn(uv_default_loop(), &process, &options);
643   ASSERT_OK(r);
644 
645   r = uv_read_start((uv_stream_t*) &pipe, on_alloc, on_read);
646   ASSERT_OK(r);
647 
648   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
649   ASSERT_OK(r);
650 
651   ASSERT_EQ(1, exit_cb_called);
652   ASSERT_EQ(2, close_cb_called); /* Once for process once for the pipe. */
653   printf("output from stdio[3] is: %s", output);
654   ASSERT_OK(strcmp("fourth stdio!\n", output));
655 
656   MAKE_VALGRIND_HAPPY(uv_default_loop());
657   return 0;
658 }
659 
660 
spawn_tcp_server_helper(void)661 int spawn_tcp_server_helper(void) {
662   uv_tcp_t tcp;
663   uv_os_sock_t handle;
664   int r;
665 
666   r = uv_tcp_init(uv_default_loop(), &tcp);
667   ASSERT_OK(r);
668 
669 #ifdef _WIN32
670   handle = _get_osfhandle(3);
671 #else
672   handle = 3;
673 #endif
674   r = uv_tcp_open(&tcp, handle);
675   ASSERT_OK(r);
676 
677   /* Make sure that we can listen on a socket that was
678    * passed down from the parent process
679    */
680   r = uv_listen((uv_stream_t*) &tcp, SOMAXCONN, NULL);
681   ASSERT_OK(r);
682 
683   return 1;
684 }
685 
686 
TEST_IMPL(spawn_tcp_server)687 TEST_IMPL(spawn_tcp_server) {
688   uv_stdio_container_t stdio[4];
689   struct sockaddr_in addr;
690   int fd;
691   int r;
692 #ifdef _WIN32
693   uv_os_fd_t handle;
694 #endif
695 
696   init_process_options("spawn_tcp_server_helper", exit_cb);
697 
698   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
699 
700   fd = -1;
701   r = uv_tcp_init_ex(uv_default_loop(), &tcp_server, AF_INET);
702   ASSERT_OK(r);
703   r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
704   ASSERT_OK(r);
705 #ifdef _WIN32
706   r = uv_fileno((uv_handle_t*) &tcp_server, &handle);
707   fd = _open_osfhandle((intptr_t) handle, 0);
708 #else
709   r = uv_fileno((uv_handle_t*) &tcp_server, &fd);
710  #endif
711   ASSERT_OK(r);
712   ASSERT_GT(fd, 0);
713 
714   options.stdio = stdio;
715   options.stdio[0].flags = UV_INHERIT_FD;
716   options.stdio[0].data.fd = 0;
717   options.stdio[1].flags = UV_INHERIT_FD;
718   options.stdio[1].data.fd = 1;
719   options.stdio[2].flags = UV_INHERIT_FD;
720   options.stdio[2].data.fd = 2;
721   options.stdio[3].flags = UV_INHERIT_FD;
722   options.stdio[3].data.fd = fd;
723   options.stdio_count = 4;
724 
725   r = uv_spawn(uv_default_loop(), &process, &options);
726   ASSERT_OK(r);
727 
728   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
729   ASSERT_OK(r);
730 
731   ASSERT_EQ(1, exit_cb_called);
732   ASSERT_EQ(1, close_cb_called);
733 
734   MAKE_VALGRIND_HAPPY(uv_default_loop());
735   return 0;
736 }
737 
738 
TEST_IMPL(spawn_ignored_stdio)739 TEST_IMPL(spawn_ignored_stdio) {
740   int r;
741 
742   init_process_options("spawn_helper6", exit_cb);
743 
744   options.stdio = NULL;
745   options.stdio_count = 0;
746 
747   r = uv_spawn(uv_default_loop(), &process, &options);
748   ASSERT_OK(r);
749 
750   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
751   ASSERT_OK(r);
752 
753   ASSERT_EQ(1, exit_cb_called);
754   ASSERT_EQ(1, close_cb_called);
755 
756   MAKE_VALGRIND_HAPPY(uv_default_loop());
757   return 0;
758 }
759 
760 
TEST_IMPL(spawn_and_kill)761 TEST_IMPL(spawn_and_kill) {
762   int r;
763 
764   init_process_options("spawn_helper4", kill_cb);
765 
766   r = uv_spawn(uv_default_loop(), &process, &options);
767   ASSERT_OK(r);
768 
769   r = uv_timer_init(uv_default_loop(), &timer);
770   ASSERT_OK(r);
771 
772   r = uv_timer_start(&timer, timer_cb, 500, 0);
773   ASSERT_OK(r);
774 
775   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
776   ASSERT_OK(r);
777 
778   ASSERT_EQ(1, exit_cb_called);
779   ASSERT_EQ(2, close_cb_called); /* Once for process and once for timer. */
780 
781   MAKE_VALGRIND_HAPPY(uv_default_loop());
782   return 0;
783 }
784 
785 
TEST_IMPL(spawn_preserve_env)786 TEST_IMPL(spawn_preserve_env) {
787   int r;
788   uv_pipe_t out;
789   uv_stdio_container_t stdio[2];
790 
791   init_process_options("spawn_helper7", exit_cb);
792 
793   uv_pipe_init(uv_default_loop(), &out, 0);
794   options.stdio = stdio;
795   options.stdio[0].flags = UV_IGNORE;
796   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
797   options.stdio[1].data.stream = (uv_stream_t*) &out;
798   options.stdio_count = 2;
799 
800   r = putenv("ENV_TEST=testval");
801   ASSERT_OK(r);
802 
803   /* Explicitly set options.env to NULL to test for env clobbering. */
804   options.env = NULL;
805 
806   r = uv_spawn(uv_default_loop(), &process, &options);
807   ASSERT_OK(r);
808 
809   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
810   ASSERT_OK(r);
811 
812   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
813   ASSERT_OK(r);
814 
815   ASSERT_EQ(1, exit_cb_called);
816   ASSERT_EQ(2, close_cb_called);
817 
818   printf("output is: %s", output);
819   ASSERT_OK(strcmp("testval", output));
820 
821   MAKE_VALGRIND_HAPPY(uv_default_loop());
822   return 0;
823 }
824 
825 
TEST_IMPL(spawn_detached)826 TEST_IMPL(spawn_detached) {
827   int r;
828 
829   init_process_options("spawn_helper4", detach_failure_cb);
830 
831   options.flags |= UV_PROCESS_DETACHED;
832 
833   r = uv_spawn(uv_default_loop(), &process, &options);
834   ASSERT_OK(r);
835 
836   uv_unref((uv_handle_t*) &process);
837 
838   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
839   ASSERT_OK(r);
840 
841   ASSERT_OK(exit_cb_called);
842 
843   ASSERT_EQ(process.pid, uv_process_get_pid(&process));
844 
845   r = uv_kill(process.pid, 0);
846   ASSERT_OK(r);
847 
848   r = uv_kill(process.pid, SIGTERM);
849   ASSERT_OK(r);
850 
851   MAKE_VALGRIND_HAPPY(uv_default_loop());
852   return 0;
853 }
854 
TEST_IMPL(spawn_and_kill_with_std)855 TEST_IMPL(spawn_and_kill_with_std) {
856   int r;
857   uv_pipe_t in, out, err;
858   uv_write_t write;
859   char message[] = "Nancy's joining me because the message this evening is "
860                    "not my message but ours.";
861   uv_buf_t buf;
862   uv_stdio_container_t stdio[3];
863 
864   init_process_options("spawn_helper4", kill_cb);
865 
866   r = uv_pipe_init(uv_default_loop(), &in, 0);
867   ASSERT_OK(r);
868 
869   r = uv_pipe_init(uv_default_loop(), &out, 0);
870   ASSERT_OK(r);
871 
872   r = uv_pipe_init(uv_default_loop(), &err, 0);
873   ASSERT_OK(r);
874 
875   options.stdio = stdio;
876   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
877   options.stdio[0].data.stream = (uv_stream_t*) &in;
878   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
879   options.stdio[1].data.stream = (uv_stream_t*) &out;
880   options.stdio[2].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
881   options.stdio[2].data.stream = (uv_stream_t*) &err;
882   options.stdio_count = 3;
883 
884   r = uv_spawn(uv_default_loop(), &process, &options);
885   ASSERT_OK(r);
886 
887   buf = uv_buf_init(message, sizeof message);
888   r = uv_write(&write, (uv_stream_t*) &in, &buf, 1, write_cb);
889   ASSERT_OK(r);
890 
891   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
892   ASSERT_OK(r);
893 
894   r = uv_read_start((uv_stream_t*) &err, on_alloc, on_read);
895   ASSERT_OK(r);
896 
897   r = uv_timer_init(uv_default_loop(), &timer);
898   ASSERT_OK(r);
899 
900   r = uv_timer_start(&timer, timer_cb, 500, 0);
901   ASSERT_OK(r);
902 
903   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
904   ASSERT_OK(r);
905 
906   ASSERT_EQ(1, exit_cb_called);
907   ASSERT_EQ(5, close_cb_called); /* process x 1, timer x 1, stdio x 3. */
908 
909   MAKE_VALGRIND_HAPPY(uv_default_loop());
910   return 0;
911 }
912 
913 
TEST_IMPL(spawn_and_ping)914 TEST_IMPL(spawn_and_ping) {
915   uv_write_t write_req;
916   uv_pipe_t in, out;
917   uv_buf_t buf;
918   uv_stdio_container_t stdio[2];
919   int r;
920 
921   init_process_options("spawn_helper3", exit_cb);
922   buf = uv_buf_init("TEST", 4);
923 
924   uv_pipe_init(uv_default_loop(), &out, 0);
925   uv_pipe_init(uv_default_loop(), &in, 0);
926   options.stdio = stdio;
927   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
928   options.stdio[0].data.stream = (uv_stream_t*) &in;
929   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
930   options.stdio[1].data.stream = (uv_stream_t*) &out;
931   options.stdio_count = 2;
932 
933   r = uv_spawn(uv_default_loop(), &process, &options);
934   ASSERT_OK(r);
935 
936   /* Sending signum == 0 should check if the
937    * child process is still alive, not kill it.
938    */
939   r = uv_process_kill(&process, 0);
940   ASSERT_OK(r);
941 
942   r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
943   ASSERT_OK(r);
944 
945   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
946   ASSERT_OK(r);
947 
948   ASSERT_OK(exit_cb_called);
949 
950   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
951   ASSERT_OK(r);
952 
953   ASSERT_EQ(1, exit_cb_called);
954   ASSERT_OK(strcmp(output, "TEST"));
955 
956   MAKE_VALGRIND_HAPPY(uv_default_loop());
957   return 0;
958 }
959 
960 
TEST_IMPL(spawn_same_stdout_stderr)961 TEST_IMPL(spawn_same_stdout_stderr) {
962   uv_write_t write_req;
963   uv_pipe_t in, out;
964   uv_buf_t buf;
965   uv_stdio_container_t stdio[3];
966   int r;
967 
968   init_process_options("spawn_helper3", exit_cb);
969   buf = uv_buf_init("TEST", 4);
970 
971   uv_pipe_init(uv_default_loop(), &out, 0);
972   uv_pipe_init(uv_default_loop(), &in, 0);
973   options.stdio = stdio;
974   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
975   options.stdio[0].data.stream = (uv_stream_t*) &in;
976   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
977   options.stdio[1].data.stream = (uv_stream_t*) &out;
978   options.stdio_count = 2;
979 
980   r = uv_spawn(uv_default_loop(), &process, &options);
981   ASSERT_OK(r);
982 
983   /* Sending signum == 0 should check if the
984    * child process is still alive, not kill it.
985    */
986   r = uv_process_kill(&process, 0);
987   ASSERT_OK(r);
988 
989   r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
990   ASSERT_OK(r);
991 
992   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
993   ASSERT_OK(r);
994 
995   ASSERT_OK(exit_cb_called);
996 
997   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
998   ASSERT_OK(r);
999 
1000   ASSERT_EQ(1, exit_cb_called);
1001   ASSERT_OK(strcmp(output, "TEST"));
1002 
1003   MAKE_VALGRIND_HAPPY(uv_default_loop());
1004   return 0;
1005 }
1006 
1007 
TEST_IMPL(spawn_closed_process_io)1008 TEST_IMPL(spawn_closed_process_io) {
1009   uv_pipe_t in;
1010   uv_write_t write_req;
1011   uv_buf_t buf;
1012   uv_stdio_container_t stdio[2];
1013   static char buffer[] = "hello-from-spawn_stdin\n";
1014 
1015   init_process_options("spawn_helper3", exit_cb);
1016 
1017   uv_pipe_init(uv_default_loop(), &in, 0);
1018   options.stdio = stdio;
1019   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
1020   options.stdio[0].data.stream = (uv_stream_t*) &in;
1021   options.stdio_count = 1;
1022 
1023   close(0); /* Close process stdin. */
1024 
1025   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1026 
1027   buf = uv_buf_init(buffer, sizeof(buffer));
1028   ASSERT_OK(uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb));
1029 
1030   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1031 
1032   ASSERT_EQ(1, exit_cb_called);
1033   ASSERT_EQ(2, close_cb_called); /* process, child stdin */
1034 
1035   MAKE_VALGRIND_HAPPY(uv_default_loop());
1036   return 0;
1037 }
1038 
1039 
TEST_IMPL(kill)1040 TEST_IMPL(kill) {
1041   int r;
1042 
1043 #ifdef _WIN32
1044   no_term_signal = 1;
1045 #endif
1046 
1047   init_process_options("spawn_helper4", kill_cb);
1048 
1049   /* Verify that uv_spawn() resets the signal disposition. */
1050 #ifndef _WIN32
1051   {
1052     sigset_t set;
1053     sigemptyset(&set);
1054     sigaddset(&set, SIGTERM);
1055     ASSERT_OK(pthread_sigmask(SIG_BLOCK, &set, NULL));
1056   }
1057   ASSERT_PTR_NE(SIG_ERR, signal(SIGTERM, SIG_IGN));
1058 #endif
1059 
1060   r = uv_spawn(uv_default_loop(), &process, &options);
1061   ASSERT_OK(r);
1062 
1063 #ifndef _WIN32
1064   {
1065     sigset_t set;
1066     sigemptyset(&set);
1067     sigaddset(&set, SIGTERM);
1068     ASSERT_OK(pthread_sigmask(SIG_UNBLOCK, &set, NULL));
1069   }
1070   ASSERT_PTR_NE(SIG_ERR, signal(SIGTERM, SIG_DFL));
1071 #endif
1072 
1073   /* Sending signum == 0 should check if the
1074    * child process is still alive, not kill it.
1075    */
1076   r = uv_kill(process.pid, 0);
1077   ASSERT_OK(r);
1078 
1079   /* Kill the process. */
1080   r = uv_kill(process.pid, SIGTERM);
1081   ASSERT_OK(r);
1082 
1083   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1084   ASSERT_OK(r);
1085 
1086   ASSERT_EQ(1, exit_cb_called);
1087   ASSERT_EQ(1, close_cb_called);
1088 
1089   MAKE_VALGRIND_HAPPY(uv_default_loop());
1090   return 0;
1091 }
1092 
1093 
1094 #ifdef _WIN32
TEST_IMPL(spawn_detect_pipe_name_collisions_on_windows)1095 TEST_IMPL(spawn_detect_pipe_name_collisions_on_windows) {
1096   int r;
1097   uv_pipe_t out;
1098   char name[64];
1099   HANDLE pipe_handle;
1100   uv_stdio_container_t stdio[2];
1101 
1102   init_process_options("spawn_helper2", exit_cb);
1103 
1104   uv_pipe_init(uv_default_loop(), &out, 0);
1105   options.stdio = stdio;
1106   options.stdio[0].flags = UV_IGNORE;
1107   options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
1108   options.stdio[1].data.stream = (uv_stream_t*) &out;
1109   options.stdio_count = 2;
1110 
1111   /* Create a pipe that'll cause a collision. */
1112   snprintf(name,
1113            sizeof(name),
1114            "\\\\.\\pipe\\uv\\%p-%lu",
1115            &out,
1116            GetCurrentProcessId());
1117   pipe_handle = CreateNamedPipeA(name,
1118                                 PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
1119                                 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
1120                                 10,
1121                                 65536,
1122                                 65536,
1123                                 0,
1124                                 NULL);
1125   ASSERT_PTR_NE(pipe_handle, INVALID_HANDLE_VALUE);
1126 
1127   r = uv_spawn(uv_default_loop(), &process, &options);
1128   ASSERT_OK(r);
1129 
1130   r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
1131   ASSERT_OK(r);
1132 
1133   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1134   ASSERT_OK(r);
1135 
1136   ASSERT_EQ(1, exit_cb_called);
1137   ASSERT_EQ(2, close_cb_called); /* Once for process once for the pipe. */
1138   printf("output is: %s", output);
1139   ASSERT_OK(strcmp("hello world\n", output));
1140 
1141   MAKE_VALGRIND_HAPPY(uv_default_loop());
1142   return 0;
1143 }
1144 
1145 
1146 #if !defined(USING_UV_SHARED)
1147 int make_program_args(char** args, int verbatim_arguments, WCHAR** dst_ptr);
1148 WCHAR* quote_cmd_arg(const WCHAR *source, WCHAR *target);
1149 
TEST_IMPL(argument_escaping)1150 TEST_IMPL(argument_escaping) {
1151   const WCHAR* test_str[] = {
1152     L"",
1153     L"HelloWorld",
1154     L"Hello World",
1155     L"Hello\"World",
1156     L"Hello World\\",
1157     L"Hello\\\"World",
1158     L"Hello\\World",
1159     L"Hello\\\\World",
1160     L"Hello World\\",
1161     L"c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\""
1162   };
1163   const int count = sizeof(test_str) / sizeof(*test_str);
1164   WCHAR** test_output;
1165   WCHAR* command_line;
1166   WCHAR** cracked;
1167   size_t total_size = 0;
1168   int i;
1169   int num_args;
1170   int result;
1171 
1172   char* verbatim[] = {
1173     "cmd.exe",
1174     "/c",
1175     "c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\"",
1176     NULL
1177   };
1178   WCHAR* verbatim_output;
1179   WCHAR* non_verbatim_output;
1180 
1181   test_output = calloc(count, sizeof(WCHAR*));
1182   ASSERT_NOT_NULL(test_output);
1183   for (i = 0; i < count; ++i) {
1184     test_output[i] = calloc(2 * (wcslen(test_str[i]) + 2), sizeof(WCHAR));
1185     quote_cmd_arg(test_str[i], test_output[i]);
1186     wprintf(L"input : %s\n", test_str[i]);
1187     wprintf(L"output: %s\n", test_output[i]);
1188     total_size += wcslen(test_output[i]) + 1;
1189   }
1190   command_line = calloc(total_size + 1, sizeof(WCHAR));
1191   ASSERT_NOT_NULL(command_line);
1192   for (i = 0; i < count; ++i) {
1193     wcscat(command_line, test_output[i]);
1194     wcscat(command_line, L" ");
1195   }
1196   command_line[total_size - 1] = L'\0';
1197 
1198   wprintf(L"command_line: %s\n", command_line);
1199 
1200   cracked = CommandLineToArgvW(command_line, &num_args);
1201   for (i = 0; i < num_args; ++i) {
1202     wprintf(L"%d: %s\t%s\n", i, test_str[i], cracked[i]);
1203     ASSERT_OK(wcscmp(test_str[i], cracked[i]));
1204   }
1205 
1206   LocalFree(cracked);
1207   for (i = 0; i < count; ++i) {
1208     free(test_output[i]);
1209   }
1210   free(test_output);
1211 
1212   result = make_program_args(verbatim, 1, &verbatim_output);
1213   ASSERT_OK(result);
1214   result = make_program_args(verbatim, 0, &non_verbatim_output);
1215   ASSERT_OK(result);
1216 
1217   wprintf(L"    verbatim_output: %s\n", verbatim_output);
1218   wprintf(L"non_verbatim_output: %s\n", non_verbatim_output);
1219 
1220   ASSERT_OK(wcscmp(verbatim_output,
1221                    L"cmd.exe /c c:\\path\\to\\node.exe --eval "
1222                    L"\"require('c:\\\\path\\\\to\\\\test.js')\""));
1223   ASSERT_OK(wcscmp(non_verbatim_output,
1224                    L"cmd.exe /c \"c:\\path\\to\\node.exe --eval "
1225                    L"\\\"require('c:\\\\path\\\\to\\\\test.js')\\\"\""));
1226 
1227   free(verbatim_output);
1228   free(non_verbatim_output);
1229 
1230   return 0;
1231 }
1232 
1233 int make_program_env(char** env_block, WCHAR** dst_ptr);
1234 
TEST_IMPL(environment_creation)1235 TEST_IMPL(environment_creation) {
1236   size_t i;
1237   char* environment[] = {
1238     "FOO=BAR",
1239     "SYSTEM=ROOT", /* substring of a supplied var name */
1240     "SYSTEMROOTED=OMG", /* supplied var name is a substring */
1241     "TEMP=C:\\Temp",
1242     "INVALID",
1243     "BAZ=QUX",
1244     "B_Z=QUX",
1245     "B\xe2\x82\xacZ=QUX",
1246     "B\xf0\x90\x80\x82Z=QUX",
1247     "B\xef\xbd\xa1Z=QUX",
1248     "B\xf0\xa3\x91\x96Z=QUX",
1249     "BAZ", /* repeat, invalid variable */
1250     NULL
1251   };
1252   WCHAR* wenvironment[] = {
1253     L"BAZ=QUX",
1254     L"B_Z=QUX",
1255     L"B\x20acZ=QUX",
1256     L"B\xd800\xdc02Z=QUX",
1257     L"B\xd84d\xdc56Z=QUX",
1258     L"B\xff61Z=QUX",
1259     L"FOO=BAR",
1260     L"SYSTEM=ROOT", /* substring of a supplied var name */
1261     L"SYSTEMROOTED=OMG", /* supplied var name is a substring */
1262     L"TEMP=C:\\Temp",
1263   };
1264   WCHAR* from_env[] = {
1265     /* list should be kept in sync with list
1266      * in process.c, minus variables in wenvironment */
1267     L"HOMEDRIVE",
1268     L"HOMEPATH",
1269     L"LOGONSERVER",
1270     L"PATH",
1271     L"USERDOMAIN",
1272     L"USERNAME",
1273     L"USERPROFILE",
1274     L"SYSTEMDRIVE",
1275     L"SYSTEMROOT",
1276     L"WINDIR",
1277     /* test for behavior in the absence of a
1278      * required-environment variable: */
1279     L"ZTHIS_ENV_VARIABLE_DOES_NOT_EXIST",
1280   };
1281   int found_in_loc_env[ARRAY_SIZE(wenvironment)] = {0};
1282   int found_in_usr_env[ARRAY_SIZE(from_env)] = {0};
1283   WCHAR *expected[ARRAY_SIZE(from_env)];
1284   int result;
1285   WCHAR* str;
1286   WCHAR* prev;
1287   WCHAR* env;
1288 
1289   for (i = 0; i < ARRAY_SIZE(from_env); i++) {
1290       /* copy expected additions to environment locally */
1291       size_t len = GetEnvironmentVariableW(from_env[i], NULL, 0);
1292       if (len == 0) {
1293         found_in_usr_env[i] = 1;
1294         str = malloc(1 * sizeof(WCHAR));
1295         *str = 0;
1296         expected[i] = str;
1297       } else {
1298         size_t name_len = wcslen(from_env[i]);
1299         str = malloc((name_len+1+len) * sizeof(WCHAR));
1300         wmemcpy(str, from_env[i], name_len);
1301         expected[i] = str;
1302         str += name_len;
1303         *str++ = L'=';
1304         GetEnvironmentVariableW(from_env[i], str, len);
1305      }
1306   }
1307 
1308   result = make_program_env(environment, &env);
1309   ASSERT_OK(result);
1310 
1311   for (str = env, prev = NULL; *str; prev = str, str += wcslen(str) + 1) {
1312     int found = 0;
1313 #if 0
1314     _cputws(str);
1315     putchar('\n');
1316 #endif
1317     for (i = 0; i < ARRAY_SIZE(wenvironment) && !found; i++) {
1318       if (!wcscmp(str, wenvironment[i])) {
1319         ASSERT(!found_in_loc_env[i]);
1320         found_in_loc_env[i] = 1;
1321         found = 1;
1322       }
1323     }
1324     for (i = 0; i < ARRAY_SIZE(expected) && !found; i++) {
1325       if (!wcscmp(str, expected[i])) {
1326         ASSERT(!found_in_usr_env[i]);
1327         found_in_usr_env[i] = 1;
1328         found = 1;
1329       }
1330     }
1331     if (prev) { /* verify sort order */
1332 #if !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
1333       ASSERT_EQ(1, CompareStringOrdinal(prev, -1, str, -1, TRUE));
1334 #endif
1335     }
1336     ASSERT(found); /* verify that we expected this variable */
1337   }
1338 
1339   /* verify that we found all expected variables */
1340   for (i = 0; i < ARRAY_SIZE(wenvironment); i++) {
1341     ASSERT(found_in_loc_env[i]);
1342   }
1343   for (i = 0; i < ARRAY_SIZE(expected); i++) {
1344     ASSERT(found_in_usr_env[i]);
1345   }
1346 
1347   return 0;
1348 }
1349 #endif
1350 
1351 /* Regression test for issue #909 */
TEST_IMPL(spawn_with_an_odd_path)1352 TEST_IMPL(spawn_with_an_odd_path) {
1353   int r;
1354 
1355   char newpath[2048];
1356   char *path = getenv("PATH");
1357   ASSERT_NOT_NULL(path);
1358   snprintf(newpath, 2048, ";.;%s", path);
1359   SetEnvironmentVariable("PATH", newpath);
1360 
1361   init_process_options("", exit_cb);
1362   options.file = options.args[0] = "program-that-had-better-not-exist";
1363   r = uv_spawn(uv_default_loop(), &process, &options);
1364   ASSERT(r == UV_ENOENT || r == UV_EACCES);
1365   ASSERT_OK(uv_is_active((uv_handle_t*) &process));
1366   uv_close((uv_handle_t*) &process, NULL);
1367   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1368 
1369   MAKE_VALGRIND_HAPPY(uv_default_loop());
1370   return 0;
1371 }
1372 
1373 
TEST_IMPL(spawn_no_path)1374 TEST_IMPL(spawn_no_path) {
1375   char* env[1];
1376   WCHAR* old_path = NULL;
1377   DWORD old_path_len;
1378 
1379   if ((old_path_len = GetEnvironmentVariableW(L"PATH", NULL, 0)) > 0) {
1380     old_path = malloc(old_path_len * sizeof(WCHAR));
1381     GetEnvironmentVariableW(L"PATH", old_path, old_path_len);
1382     SetEnvironmentVariableW(L"PATH", NULL);
1383   }
1384 
1385   init_process_options("spawn_helper1", exit_cb);
1386   options.env = env;
1387   env[0] = NULL;
1388 
1389   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1390   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1391 
1392   ASSERT_EQ(1, exit_cb_called);
1393   ASSERT_EQ(1, close_cb_called);
1394 
1395   SetEnvironmentVariableW(L"PATH", old_path);
1396 
1397   MAKE_VALGRIND_HAPPY(uv_default_loop());
1398   return 0;
1399 }
1400 
1401 
TEST_IMPL(spawn_no_ext)1402 TEST_IMPL(spawn_no_ext) {
1403   char new_exepath[1024];
1404 
1405   init_process_options("spawn_helper1", exit_cb);
1406   options.flags |= UV_PROCESS_WINDOWS_FILE_PATH_EXACT_NAME;
1407   snprintf(new_exepath, sizeof(new_exepath), "%.*s_no_ext",
1408            (int) (exepath_size - sizeof(".exe") + 1),
1409            exepath);
1410   options.file = options.args[0] = new_exepath;
1411 
1412   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1413   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1414 
1415   ASSERT_EQ(1, exit_cb_called);
1416   ASSERT_EQ(1, close_cb_called);
1417 
1418   MAKE_VALGRIND_HAPPY(uv_default_loop());
1419   return 0;
1420 }
1421 
1422 
TEST_IMPL(spawn_path_no_ext)1423 TEST_IMPL(spawn_path_no_ext) {
1424   int r;
1425   int len;
1426   int file_len;
1427   char file[64];
1428   char path[1024];
1429   char* env[2];
1430 
1431   /* Set up the process, but make sure that the file to run is relative and
1432    * requires a lookup into PATH. */
1433   init_process_options("spawn_helper1", exit_cb);
1434   options.flags |= UV_PROCESS_WINDOWS_FILE_PATH_EXACT_NAME;
1435 
1436   /* Set up the PATH env variable */
1437   for (len = strlen(exepath), file_len = 0;
1438        exepath[len - 1] != '/' && exepath[len - 1] != '\\';
1439        len--, file_len++);
1440   snprintf(file, sizeof(file), "%.*s_no_ext",
1441            (int) (file_len - sizeof(".exe") + 1),
1442            exepath + len);
1443   exepath[len] = 0;
1444   snprintf(path, sizeof(path), "PATH=%s", exepath);
1445 
1446   env[0] = path;
1447   env[1] = NULL;
1448 
1449   options.file = options.args[0] = file;
1450   options.env = env;
1451 
1452   r = uv_spawn(uv_default_loop(), &process, &options);
1453   ASSERT(r == UV_ENOENT || r == UV_EACCES);
1454   ASSERT_OK(uv_is_active((uv_handle_t*) &process));
1455   uv_close((uv_handle_t*) &process, NULL);
1456   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1457 
1458   MAKE_VALGRIND_HAPPY(uv_default_loop());
1459   return 0;
1460 }
1461 #endif
1462 
1463 #ifndef _WIN32
TEST_IMPL(spawn_setuid_setgid)1464 TEST_IMPL(spawn_setuid_setgid) {
1465   int r;
1466   struct passwd* pw;
1467   char uidstr[10];
1468   char gidstr[10];
1469 
1470   /* if not root, then this will fail. */
1471   uv_uid_t uid = getuid();
1472   if (uid != 0) {
1473     RETURN_SKIP("It should be run as root user");
1474   }
1475 
1476   init_process_options("spawn_helper_setuid_setgid", exit_cb);
1477 
1478   /* become the "nobody" user. */
1479   pw = getpwnam("nobody");
1480   ASSERT_NOT_NULL(pw);
1481   options.uid = pw->pw_uid;
1482   options.gid = pw->pw_gid;
1483   snprintf(uidstr, sizeof(uidstr), "%d", pw->pw_uid);
1484   snprintf(gidstr, sizeof(gidstr), "%d", pw->pw_gid);
1485   options.args[2] = uidstr;
1486   options.args[3] = gidstr;
1487   options.flags = UV_PROCESS_SETUID | UV_PROCESS_SETGID;
1488 
1489   r = uv_spawn(uv_default_loop(), &process, &options);
1490   if (r == UV_EACCES)
1491     RETURN_SKIP("user 'nobody' cannot access the test runner");
1492 
1493   ASSERT_OK(r);
1494 
1495   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1496   ASSERT_OK(r);
1497 
1498   ASSERT_EQ(1, exit_cb_called);
1499   ASSERT_EQ(1, close_cb_called);
1500 
1501   MAKE_VALGRIND_HAPPY(uv_default_loop());
1502   return 0;
1503 }
1504 #endif
1505 
1506 
1507 #ifndef _WIN32
TEST_IMPL(spawn_setuid_fails)1508 TEST_IMPL(spawn_setuid_fails) {
1509   int r;
1510 
1511   /* if root, become nobody. */
1512   /* On IBMi PASE, there is no nobody user. */
1513 #ifndef __PASE__
1514   uv_uid_t uid = getuid();
1515   if (uid == 0) {
1516     struct passwd* pw;
1517     pw = getpwnam("nobody");
1518     ASSERT_NOT_NULL(pw);
1519     ASSERT_OK(setgid(pw->pw_gid));
1520     ASSERT_OK(setuid(pw->pw_uid));
1521   }
1522 #endif  /* !__PASE__ */
1523 
1524   init_process_options("spawn_helper1", fail_cb);
1525 
1526   options.flags |= UV_PROCESS_SETUID;
1527   /* On IBMi PASE, there is no root user. User may grant
1528    * root-like privileges, including setting uid to 0.
1529    */
1530 #if defined(__PASE__)
1531   options.uid = -1;
1532 #else
1533   options.uid = 0;
1534 #endif
1535 
1536   /* These flags should be ignored on Unices. */
1537   options.flags |= UV_PROCESS_WINDOWS_HIDE;
1538   options.flags |= UV_PROCESS_WINDOWS_HIDE_CONSOLE;
1539   options.flags |= UV_PROCESS_WINDOWS_HIDE_GUI;
1540   options.flags |= UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS;
1541 
1542   r = uv_spawn(uv_default_loop(), &process, &options);
1543 #if defined(__CYGWIN__)
1544   ASSERT_EQ(r, UV_EINVAL);
1545 #else
1546   ASSERT_EQ(r, UV_EPERM);
1547 #endif
1548 
1549   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1550   ASSERT_OK(r);
1551 
1552   ASSERT_OK(close_cb_called);
1553 
1554   MAKE_VALGRIND_HAPPY(uv_default_loop());
1555   return 0;
1556 }
1557 
1558 
TEST_IMPL(spawn_setgid_fails)1559 TEST_IMPL(spawn_setgid_fails) {
1560   int r;
1561 
1562   /* if root, become nobody. */
1563   /* On IBMi PASE, there is no nobody user. */
1564 #ifndef __PASE__
1565   uv_uid_t uid = getuid();
1566   if (uid == 0) {
1567     struct passwd* pw;
1568     pw = getpwnam("nobody");
1569     ASSERT_NOT_NULL(pw);
1570     ASSERT_OK(setgid(pw->pw_gid));
1571     ASSERT_OK(setuid(pw->pw_uid));
1572   }
1573 #endif  /* !__PASE__ */
1574 
1575   init_process_options("spawn_helper1", fail_cb);
1576 
1577   options.flags |= UV_PROCESS_SETGID;
1578   /* On IBMi PASE, there is no root user. User may grant
1579    * root-like privileges, including setting gid to 0.
1580    */
1581 #if defined(__MVS__) || defined(__PASE__)
1582   options.gid = -1;
1583 #else
1584   options.gid = 0;
1585 #endif
1586 
1587   r = uv_spawn(uv_default_loop(), &process, &options);
1588 #if defined(__CYGWIN__) || defined(__MVS__)
1589   ASSERT_EQ(r, UV_EINVAL);
1590 #else
1591   ASSERT_EQ(r, UV_EPERM);
1592 #endif
1593 
1594   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1595   ASSERT_OK(r);
1596 
1597   ASSERT_OK(close_cb_called);
1598 
1599   MAKE_VALGRIND_HAPPY(uv_default_loop());
1600   return 0;
1601 }
1602 #endif
1603 
1604 
1605 #ifdef _WIN32
1606 
exit_cb_unexpected(uv_process_t * process,int64_t exit_status,int term_signal)1607 static void exit_cb_unexpected(uv_process_t* process,
1608                                int64_t exit_status,
1609                                int term_signal) {
1610   ASSERT(0 && "should not have been called");
1611 }
1612 
1613 
TEST_IMPL(spawn_setuid_fails)1614 TEST_IMPL(spawn_setuid_fails) {
1615   int r;
1616 
1617   init_process_options("spawn_helper1", exit_cb_unexpected);
1618 
1619   options.flags |= UV_PROCESS_SETUID;
1620   options.uid = (uv_uid_t) -42424242;
1621 
1622   r = uv_spawn(uv_default_loop(), &process, &options);
1623   ASSERT_EQ(r, UV_ENOTSUP);
1624 
1625   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1626   ASSERT_OK(r);
1627 
1628   ASSERT_OK(close_cb_called);
1629 
1630   MAKE_VALGRIND_HAPPY(uv_default_loop());
1631   return 0;
1632 }
1633 
1634 
TEST_IMPL(spawn_setgid_fails)1635 TEST_IMPL(spawn_setgid_fails) {
1636   int r;
1637 
1638   init_process_options("spawn_helper1", exit_cb_unexpected);
1639 
1640   options.flags |= UV_PROCESS_SETGID;
1641   options.gid = (uv_gid_t) -42424242;
1642 
1643   r = uv_spawn(uv_default_loop(), &process, &options);
1644   ASSERT_EQ(r, UV_ENOTSUP);
1645 
1646   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1647   ASSERT_OK(r);
1648 
1649   ASSERT_OK(close_cb_called);
1650 
1651   MAKE_VALGRIND_HAPPY(uv_default_loop());
1652   return 0;
1653 }
1654 #endif
1655 
1656 
TEST_IMPL(spawn_auto_unref)1657 TEST_IMPL(spawn_auto_unref) {
1658   init_process_options("spawn_helper1", NULL);
1659   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1660   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1661   ASSERT_OK(uv_is_closing((uv_handle_t*) &process));
1662   uv_close((uv_handle_t*) &process, NULL);
1663   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1664   ASSERT_EQ(1, uv_is_closing((uv_handle_t*) &process));
1665   MAKE_VALGRIND_HAPPY(uv_default_loop());
1666   return 0;
1667 }
1668 
1669 
TEST_IMPL(spawn_fs_open)1670 TEST_IMPL(spawn_fs_open) {
1671   int r;
1672   uv_os_fd_t fd;
1673   uv_os_fd_t dup_fd;
1674   uv_fs_t fs_req;
1675   uv_pipe_t in;
1676   uv_write_t write_req;
1677   uv_write_t write_req2;
1678   uv_buf_t buf;
1679   uv_stdio_container_t stdio[1];
1680 #ifdef _WIN32
1681   const char dev_null[] = "NUL";
1682   HMODULE kernelbase_module;
1683   sCompareObjectHandles pCompareObjectHandles; /* function introduced in Windows 10 */
1684 #else
1685   const char dev_null[] = "/dev/null";
1686 #endif
1687 
1688   r = uv_fs_open(NULL, &fs_req, dev_null, UV_FS_O_RDWR, 0, NULL);
1689   ASSERT_NE(r, -1);
1690   fd = uv_get_osfhandle((uv_file) fs_req.result);
1691   uv_fs_req_cleanup(&fs_req);
1692 
1693   init_process_options("spawn_helper8", exit_cb);
1694 
1695   ASSERT_OK(uv_pipe_init(uv_default_loop(), &in, 0));
1696 
1697   options.stdio = stdio;
1698   options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
1699   options.stdio[0].data.stream = (uv_stream_t*) &in;
1700   options.stdio_count = 1;
1701 
1702   /* make an inheritable copy */
1703 #ifdef _WIN32
1704   ASSERT_NE(0, DuplicateHandle(GetCurrentProcess(), fd, GetCurrentProcess(), &dup_fd,
1705                                0, /* inherit */ TRUE, DUPLICATE_SAME_ACCESS));
1706   kernelbase_module = GetModuleHandleA("kernelbase.dll");
1707   pCompareObjectHandles = (sCompareObjectHandles)
1708       GetProcAddress(kernelbase_module, "CompareObjectHandles");
1709   ASSERT_NE(pCompareObjectHandles == NULL ||
1710             pCompareObjectHandles(fd, dup_fd),
1711             0);
1712 #else
1713   dup_fd = dup(fd);
1714 #endif
1715 
1716   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1717 
1718   buf = uv_buf_init((char*) &fd, sizeof(fd));
1719   ASSERT_OK(uv_write(&write_req,
1720                      (uv_stream_t*) &in,
1721                      &buf,
1722                      1,
1723                      write_null_cb));
1724 
1725   buf = uv_buf_init((char*) &dup_fd, sizeof(fd));
1726   ASSERT_OK(uv_write(&write_req2, (uv_stream_t*) &in, &buf, 1, write_cb));
1727 
1728   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
1729   ASSERT_OK(uv_fs_close(NULL, &fs_req, r, NULL));
1730 
1731   ASSERT_EQ(1, exit_cb_called);
1732   ASSERT_EQ(2, close_cb_called);  /* One for `in`, one for process */
1733 
1734   MAKE_VALGRIND_HAPPY(uv_default_loop());
1735   return 0;
1736 }
1737 
1738 
TEST_IMPL(closed_fd_events)1739 TEST_IMPL(closed_fd_events) {
1740   uv_stdio_container_t stdio[3];
1741   uv_pipe_t pipe_handle;
1742   uv_fs_t req;
1743   uv_buf_t bufs[1];
1744   uv_file fd[2];
1745   bufs[0] = uv_buf_init("", 1);
1746 
1747   /* create a pipe and share it with a child process */
1748   ASSERT_OK(uv_pipe(fd, 0, 0));
1749   ASSERT_GT(fd[0], 2);
1750   ASSERT_GT(fd[1], 2);
1751 
1752   /* spawn_helper4 blocks indefinitely. */
1753   init_process_options("spawn_helper4", exit_cb);
1754   options.stdio_count = 3;
1755   options.stdio = stdio;
1756   options.stdio[0].flags = UV_INHERIT_FD;
1757   options.stdio[0].data.fd = fd[0];
1758   options.stdio[1].flags = UV_IGNORE;
1759   options.stdio[2].flags = UV_IGNORE;
1760 
1761   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
1762   uv_unref((uv_handle_t*) &process);
1763 
1764   /* read from the pipe with uv */
1765   ASSERT_OK(uv_pipe_init(uv_default_loop(), &pipe_handle, 0));
1766   ASSERT_OK(uv_pipe_open(&pipe_handle, fd[0]));
1767   /* uv_pipe_open() takes ownership of the file descriptor. */
1768   fd[0] = -1;
1769 
1770   ASSERT_OK(uv_read_start((uv_stream_t*) &pipe_handle,
1771                           on_alloc,
1772                           on_read_once));
1773 
1774   ASSERT_EQ(1, uv_fs_write(NULL, &req, fd[1], bufs, 1, -1, NULL));
1775   ASSERT_EQ(1, req.result);
1776   uv_fs_req_cleanup(&req);
1777 
1778   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_ONCE));
1779 
1780   /* should have received just one byte */
1781   ASSERT_EQ(1, output_used);
1782 
1783   /* close the pipe and see if we still get events */
1784   uv_close((uv_handle_t*) &pipe_handle, close_cb);
1785 
1786   ASSERT_EQ(1, uv_fs_write(NULL, &req, fd[1], bufs, 1, -1, NULL));
1787   ASSERT_EQ(1, req.result);
1788   uv_fs_req_cleanup(&req);
1789 
1790   ASSERT_OK(uv_timer_init(uv_default_loop(), &timer));
1791   ASSERT_OK(uv_timer_start(&timer, timer_counter_cb, 10, 0));
1792 
1793   /* see if any spurious events interrupt the timer */
1794   if (1 == uv_run(uv_default_loop(), UV_RUN_ONCE))
1795     /* have to run again to really trigger the timer */
1796     ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_ONCE));
1797 
1798   ASSERT_EQ(1, timer_counter);
1799 
1800   /* cleanup */
1801   ASSERT_OK(uv_process_kill(&process, SIGTERM));
1802 #ifdef _WIN32
1803   ASSERT_OK(_close(fd[1]));
1804 #else
1805   ASSERT_OK(close(fd[1]));
1806 #endif
1807 
1808   MAKE_VALGRIND_HAPPY(uv_default_loop());
1809   return 0;
1810 }
1811 
1812 
TEST_IMPL(spawn_reads_child_path)1813 TEST_IMPL(spawn_reads_child_path) {
1814   int r;
1815   int len;
1816   char file[64];
1817   char path[1024];
1818   char* env[3];
1819 
1820   /* Need to carry over the dynamic linker path when the test runner is
1821    * linked against libuv.so, see https://github.com/libuv/libuv/issues/85.
1822    */
1823 #if defined(__APPLE__)
1824   static const char dyld_path_var[] = "DYLD_LIBRARY_PATH";
1825 #elif defined(__MVS__) || defined(__PASE__)
1826   static const char dyld_path_var[] = "LIBPATH";
1827 #else
1828   static const char dyld_path_var[] = "LD_LIBRARY_PATH";
1829 #endif
1830 
1831   /* Set up the process, but make sure that the file to run is relative and
1832    * requires a lookup into PATH. */
1833   init_process_options("spawn_helper1", exit_cb);
1834 
1835   /* Set up the PATH env variable */
1836   for (len = strlen(exepath);
1837        exepath[len - 1] != '/' && exepath[len - 1] != '\\';
1838        len--);
1839   strcpy(file, exepath + len);
1840   exepath[len] = 0;
1841   strcpy(path, "PATH=");
1842   strcpy(path + 5, exepath);
1843 #if defined(__CYGWIN__) || defined(__MSYS__)
1844   /* Carry over the dynamic linker path in case the test runner
1845      is linked against cyguv-1.dll or msys-uv-1.dll, see above.  */
1846   {
1847     char* syspath = getenv("PATH");
1848     if (syspath != NULL) {
1849       strcat(path, ":");
1850       strcat(path, syspath);
1851     }
1852   }
1853 #endif
1854 
1855   env[0] = path;
1856   env[1] = getenv(dyld_path_var);
1857   env[2] = NULL;
1858 
1859   if (env[1] != NULL) {
1860     static char buf[1024 + sizeof(dyld_path_var)];
1861     snprintf(buf, sizeof(buf), "%s=%s", dyld_path_var, env[1]);
1862     env[1] = buf;
1863   }
1864 
1865   options.file = file;
1866   options.args[0] = file;
1867   options.env = env;
1868 
1869   r = uv_spawn(uv_default_loop(), &process, &options);
1870   ASSERT_OK(r);
1871 
1872   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
1873   ASSERT_OK(r);
1874 
1875   ASSERT_EQ(1, exit_cb_called);
1876   ASSERT_EQ(1, close_cb_called);
1877 
1878   MAKE_VALGRIND_HAPPY(uv_default_loop());
1879   return 0;
1880 }
1881 
TEST_IMPL(spawn_inherit_streams)1882 TEST_IMPL(spawn_inherit_streams) {
1883   uv_process_t child_req;
1884   uv_stdio_container_t child_stdio[2];
1885   int fds_stdin[2];
1886   int fds_stdout[2];
1887   uv_pipe_t pipe_stdin_child;
1888   uv_pipe_t pipe_stdout_child;
1889   uv_pipe_t pipe_stdin_parent;
1890   uv_pipe_t pipe_stdout_parent;
1891   unsigned char ubuf[OUTPUT_SIZE - 1];
1892   uv_buf_t buf;
1893   unsigned int i;
1894   int r;
1895   int bidir;
1896   uv_write_t write_req;
1897   uv_loop_t* loop;
1898 
1899   init_process_options("spawn_helper9", exit_cb);
1900 
1901   loop = uv_default_loop();
1902   ASSERT_OK(uv_pipe_init(loop, &pipe_stdin_child, 0));
1903   ASSERT_OK(uv_pipe_init(loop, &pipe_stdout_child, 0));
1904   ASSERT_OK(uv_pipe_init(loop, &pipe_stdin_parent, 0));
1905   ASSERT_OK(uv_pipe_init(loop, &pipe_stdout_parent, 0));
1906 
1907   ASSERT_OK(uv_pipe(fds_stdin, 0, 0));
1908   ASSERT_OK(uv_pipe(fds_stdout, 0, 0));
1909 
1910   ASSERT_OK(uv_pipe_open(&pipe_stdin_child, fds_stdin[0]));
1911   ASSERT_OK(uv_pipe_open(&pipe_stdout_child, fds_stdout[1]));
1912   ASSERT_OK(uv_pipe_open(&pipe_stdin_parent, fds_stdin[1]));
1913   ASSERT_OK(uv_pipe_open(&pipe_stdout_parent, fds_stdout[0]));
1914   ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdin_child));
1915   ASSERT(uv_is_writable((uv_stream_t*) &pipe_stdout_child));
1916   ASSERT(uv_is_writable((uv_stream_t*) &pipe_stdin_parent));
1917   ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdout_parent));
1918   /* Some systems (SVR4) open a bidirectional pipe, most don't. */
1919   bidir = uv_is_writable((uv_stream_t*) &pipe_stdin_child);
1920   ASSERT_EQ(uv_is_readable((uv_stream_t*) &pipe_stdout_child), bidir);
1921   ASSERT_EQ(uv_is_readable((uv_stream_t*) &pipe_stdin_parent), bidir);
1922   ASSERT_EQ(uv_is_writable((uv_stream_t*) &pipe_stdout_parent), bidir);
1923 
1924   child_stdio[0].flags = UV_INHERIT_STREAM;
1925   child_stdio[0].data.stream = (uv_stream_t *) &pipe_stdin_child;
1926 
1927   child_stdio[1].flags = UV_INHERIT_STREAM;
1928   child_stdio[1].data.stream = (uv_stream_t *) &pipe_stdout_child;
1929 
1930   options.stdio = child_stdio;
1931   options.stdio_count = 2;
1932 
1933   ASSERT_OK(uv_spawn(loop, &child_req, &options));
1934 
1935   uv_close((uv_handle_t*) &pipe_stdin_child, NULL);
1936   uv_close((uv_handle_t*) &pipe_stdout_child, NULL);
1937 
1938   buf = uv_buf_init((char*) ubuf, sizeof ubuf);
1939   for (i = 0; i < sizeof ubuf; ++i)
1940     ubuf[i] = i & 255u;
1941   memset(output, 0, sizeof ubuf);
1942 
1943   r = uv_write(&write_req,
1944                (uv_stream_t*) &pipe_stdin_parent,
1945                &buf,
1946                1,
1947                write_cb);
1948   ASSERT_OK(r);
1949 
1950   r = uv_read_start((uv_stream_t*) &pipe_stdout_parent, on_alloc, on_read);
1951   ASSERT_OK(r);
1952 
1953   r = uv_run(loop, UV_RUN_DEFAULT);
1954   ASSERT_OK(r);
1955 
1956   ASSERT_EQ(1, exit_cb_called);
1957   ASSERT_EQ(3, close_cb_called);
1958 
1959   r = memcmp(ubuf, output, sizeof ubuf);
1960   ASSERT_OK(r);
1961 
1962   MAKE_VALGRIND_HAPPY(loop);
1963   return 0;
1964 }
1965 
TEST_IMPL(spawn_quoted_path)1966 TEST_IMPL(spawn_quoted_path) {
1967 #ifndef _WIN32
1968   RETURN_SKIP("Test for Windows");
1969 #else
1970   char* quoted_path_env[2];
1971   args[0] = "not_existing";
1972   args[1] = NULL;
1973   options.file = args[0];
1974   options.args = args;
1975   options.exit_cb = exit_cb;
1976   options.flags = 0;
1977   /* We test if search_path works correctly with semicolons in quoted path. We
1978    * will use an invalid drive, so we are sure no executable is spawned. */
1979   quoted_path_env[0] = "PATH=\"xyz:\\test;\";xyz:\\other";
1980   quoted_path_env[1] = NULL;
1981   options.env = quoted_path_env;
1982 
1983   /* We test if libuv will not segfault. */
1984   uv_spawn(uv_default_loop(), &process, &options);
1985 
1986   MAKE_VALGRIND_HAPPY(uv_default_loop());
1987   return 0;
1988 #endif
1989 }
1990 
TEST_IMPL(spawn_exercise_sigchld_issue)1991 TEST_IMPL(spawn_exercise_sigchld_issue) {
1992   int r;
1993   int i;
1994   uv_process_options_t dummy_options = {0};
1995   uv_process_t dummy_processes[100];
1996   char* args[2];
1997 
1998   init_process_options("spawn_helper1", exit_cb);
1999 
2000   r = uv_spawn(uv_default_loop(), &process, &options);
2001   ASSERT_OK(r);
2002 
2003   // This test exercises a bug in the darwin kernel that causes SIGCHLD not to
2004   // be delivered sometimes. Calling posix_spawn many times increases the
2005   // likelihood of encountering this issue, so spin a few times to make this
2006   // test more reliable.
2007   dummy_options.file = args[0] = "program-that-had-better-not-exist";
2008   args[1] = NULL;
2009   dummy_options.args = args;
2010   dummy_options.exit_cb = fail_cb;
2011   dummy_options.flags = 0;
2012   for (i = 0; i < 100; i++) {
2013     r = uv_spawn(uv_default_loop(), &dummy_processes[i], &dummy_options);
2014     if (r != UV_ENOENT)
2015       ASSERT_EQ(r, UV_EACCES);
2016     uv_close((uv_handle_t*) &dummy_processes[i], close_cb);
2017   }
2018 
2019   r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
2020   ASSERT_OK(r);
2021 
2022   ASSERT_EQ(1, exit_cb_called);
2023   ASSERT_EQ(101, close_cb_called);
2024 
2025   MAKE_VALGRIND_HAPPY(uv_default_loop());
2026   return 0;
2027 }
2028 
2029 /* Helper for child process of spawn_inherit_streams */
2030 #ifndef _WIN32
spawn_stdin_stdout(void)2031 void spawn_stdin_stdout(void) {
2032   char buf[1024];
2033   char* pbuf;
2034   for (;;) {
2035     ssize_t r, w, c;
2036     do {
2037       r = read(0, buf, sizeof buf);
2038     } while (r == -1 && errno == EINTR);
2039     if (r == 0) {
2040       return;
2041     }
2042     ASSERT_GT(r, 0);
2043     c = r;
2044     pbuf = buf;
2045     while (c) {
2046       do {
2047         w = write(1, pbuf, (size_t)c);
2048       } while (w == -1 && errno == EINTR);
2049       ASSERT_GE(w, 0);
2050       pbuf = pbuf + w;
2051       c = c - w;
2052     }
2053   }
2054 }
2055 #else
spawn_stdin_stdout(void)2056 void spawn_stdin_stdout(void) {
2057   char buf[1024];
2058   char* pbuf;
2059   HANDLE h_stdin = GetStdHandle(STD_INPUT_HANDLE);
2060   HANDLE h_stdout = GetStdHandle(STD_OUTPUT_HANDLE);
2061   ASSERT_PTR_NE(h_stdin, INVALID_HANDLE_VALUE);
2062   ASSERT_PTR_NE(h_stdout, INVALID_HANDLE_VALUE);
2063   for (;;) {
2064     DWORD n_read;
2065     DWORD n_written;
2066     DWORD to_write;
2067     if (!ReadFile(h_stdin, buf, sizeof buf, &n_read, NULL)) {
2068       ASSERT_EQ(GetLastError(), ERROR_BROKEN_PIPE);
2069       return;
2070     }
2071     to_write = n_read;
2072     pbuf = buf;
2073     while (to_write) {
2074       ASSERT(WriteFile(h_stdout, pbuf, to_write, &n_written, NULL));
2075       to_write -= n_written;
2076       pbuf += n_written;
2077     }
2078   }
2079 }
2080 #endif /* !_WIN32 */
2081 
TEST_IMPL(spawn_relative_path)2082 TEST_IMPL(spawn_relative_path) {
2083   char* sep;
2084 
2085   init_process_options("spawn_helper1", exit_cb);
2086 
2087   exepath_size = sizeof(exepath) - 2;
2088   ASSERT_OK(uv_exepath(exepath, &exepath_size));
2089   exepath[exepath_size] = '\0';
2090 
2091   /* Poor man's basename(3). */
2092   sep = strrchr(exepath, '/');
2093   if (sep == NULL)
2094     sep = strrchr(exepath, '\\');
2095   ASSERT_NOT_NULL(sep);
2096 
2097   /* Split into dirname and basename and make basename relative. */
2098   memmove(sep + 2, sep, 1 + strlen(sep));
2099   sep[0] = '\0';
2100   sep[1] = '.';
2101   sep[2] = '/';
2102 
2103   options.cwd = exepath;
2104   options.file = options.args[0] = sep + 1;
2105 
2106   ASSERT_OK(uv_spawn(uv_default_loop(), &process, &options));
2107   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
2108 
2109   ASSERT_EQ(1, exit_cb_called);
2110   ASSERT_EQ(1, close_cb_called);
2111 
2112   MAKE_VALGRIND_HAPPY(uv_default_loop());
2113   return 0;
2114 }
2115