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tildefriends/deps/libuv/test/test-spawn.c
Cory McWilliams ae0a8b0a33 libuv 1.46.0. 
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4336 ed5197a5-7fde-0310-b194-c3ffbd925b24
2023-07-04 00:24:48 +00:00

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
# include <shellapi.h>
# include <wchar.h>
typedef BOOL (WINAPI *sCompareObjectHandles)(_In_ HANDLE, _In_ HANDLE);
#else
# include <unistd.h>
# include <sys/wait.h>
#endif
static int close_cb_called;
static int exit_cb_called;
static uv_process_t process;
static uv_timer_t timer;
static uv_process_options_t options;
static char exepath[1024];
static size_t exepath_size = 1024;
static char* args[5];
static int no_term_signal;
static int timer_counter;
static uv_tcp_t tcp_server;
#define OUTPUT_SIZE 1024
static char output[OUTPUT_SIZE];
static int output_used;
static void close_cb(uv_handle_t* handle) {
printf("close_cb\n");
close_cb_called++;
}
static void exit_cb(uv_process_t* process,
int64_t exit_status,
int term_signal) {
printf("exit_cb\n");
exit_cb_called++;
ASSERT(exit_status == 1);
ASSERT(term_signal == 0);
uv_close((uv_handle_t*) process, close_cb);
}
static void fail_cb(uv_process_t* process,
int64_t exit_status,
int term_signal) {
ASSERT(0 && "fail_cb called");
}
static void kill_cb(uv_process_t* process,
int64_t exit_status,
int term_signal) {
int err;
printf("exit_cb\n");
exit_cb_called++;
#ifdef _WIN32
ASSERT(exit_status == 1);
#else
ASSERT(exit_status == 0);
#endif
#if defined(__APPLE__) || defined(__MVS__)
/*
* At least starting with Darwin Kernel Version 16.4.0, sending a SIGTERM to a
* process that is still starting up kills it with SIGKILL instead of SIGTERM.
* See: https://github.com/libuv/libuv/issues/1226
*/
ASSERT(no_term_signal || term_signal == SIGTERM || term_signal == SIGKILL);
#else
ASSERT(no_term_signal || term_signal == SIGTERM);
#endif
uv_close((uv_handle_t*) process, close_cb);
/*
* Sending signum == 0 should check if the
* child process is still alive, not kill it.
* This process should be dead.
*/
err = uv_kill(process->pid, 0);
ASSERT(err == UV_ESRCH);
}
static void detach_failure_cb(uv_process_t* process,
int64_t exit_status,
int term_signal) {
printf("detach_cb\n");
exit_cb_called++;
}
static void on_alloc(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
buf->base = output + output_used;
buf->len = OUTPUT_SIZE - output_used;
}
static void on_read(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
if (nread > 0) {
output_used += nread;
} else if (nread < 0) {
ASSERT(nread == UV_EOF);
uv_close((uv_handle_t*) tcp, close_cb);
}
}
static void on_read_once(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
uv_read_stop(tcp);
on_read(tcp, nread, buf);
}
static void write_cb(uv_write_t* req, int status) {
ASSERT(status == 0);
uv_close((uv_handle_t*) req->handle, close_cb);
}
static void write_null_cb(uv_write_t* req, int status) {
ASSERT(status == 0);
}
static void init_process_options(char* test, uv_exit_cb exit_cb) {
/* Note spawn_helper1 defined in test/run-tests.c */
int r = uv_exepath(exepath, &exepath_size);
ASSERT(r == 0);
exepath[exepath_size] = '\0';
args[0] = exepath;
args[1] = test;
args[2] = NULL;
args[3] = NULL;
args[4] = NULL;
options.file = exepath;
options.args = args;
options.exit_cb = exit_cb;
options.flags = 0;
}
static void timer_cb(uv_timer_t* handle) {
uv_process_kill(&process, SIGTERM);
uv_close((uv_handle_t*) handle, close_cb);
}
static void timer_counter_cb(uv_timer_t* handle) {
++timer_counter;
}
TEST_IMPL(spawn_fails) {
int r;
init_process_options("", fail_cb);
options.file = options.args[0] = "program-that-had-better-not-exist";
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == UV_ENOENT || r == UV_EACCES);
ASSERT(0 == uv_is_active((uv_handle_t*) &process));
uv_close((uv_handle_t*) &process, NULL);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#ifndef _WIN32
TEST_IMPL(spawn_fails_check_for_waitpid_cleanup) {
int r;
int status;
int err;
init_process_options("", fail_cb);
options.file = options.args[0] = "program-that-had-better-not-exist";
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == UV_ENOENT || r == UV_EACCES);
ASSERT(0 == uv_is_active((uv_handle_t*) &process));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
/* verify the child is successfully cleaned up within libuv */
do
err = waitpid(process.pid, &status, 0);
while (err == -1 && errno == EINTR);
ASSERT(err == -1);
ASSERT(errno == ECHILD);
uv_close((uv_handle_t*) &process, NULL);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif
TEST_IMPL(spawn_empty_env) {
char* env[1];
/* The autotools dynamic library build requires the presence of
* DYLD_LIBARY_PATH (macOS) or LD_LIBRARY_PATH/LIBPATH (other Unices)
* in the environment, but of course that doesn't work with
* the empty environment that we're testing here.
*/
if (NULL != getenv("DYLD_LIBRARY_PATH") ||
NULL != getenv("LD_LIBRARY_PATH") ||
NULL != getenv("LIBPATH")) {
RETURN_SKIP("doesn't work with DYLD_LIBRARY_PATH/LD_LIBRARY_PATH/LIBPATH");
}
init_process_options("spawn_helper1", exit_cb);
options.env = env;
env[0] = NULL;
ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_exit_code) {
int r;
init_process_options("spawn_helper1", exit_cb);
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_stdout) {
int r;
uv_pipe_t out;
uv_stdio_container_t stdio[2];
init_process_options("spawn_helper2", exit_cb);
uv_pipe_init(uv_default_loop(), &out, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
printf("output is: %s", output);
ASSERT(strcmp("hello world\n", output) == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_stdout_to_file) {
int r;
uv_file file;
uv_fs_t fs_req;
uv_stdio_container_t stdio[2];
uv_buf_t buf;
/* Setup. */
unlink("stdout_file");
init_process_options("spawn_helper2", exit_cb);
r = uv_fs_open(NULL, &fs_req, "stdout_file", O_CREAT | O_RDWR,
S_IRUSR | S_IWUSR, NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&fs_req);
file = r;
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_INHERIT_FD;
options.stdio[1].data.fd = file;
options.stdio_count = 2;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
buf = uv_buf_init(output, sizeof(output));
r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
ASSERT(r == 12);
uv_fs_req_cleanup(&fs_req);
r = uv_fs_close(NULL, &fs_req, file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&fs_req);
printf("output is: %s", output);
ASSERT(strcmp("hello world\n", output) == 0);
/* Cleanup. */
unlink("stdout_file");
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_stdout_and_stderr_to_file) {
int r;
uv_file file;
uv_fs_t fs_req;
uv_stdio_container_t stdio[3];
uv_buf_t buf;
/* Setup. */
unlink("stdout_file");
init_process_options("spawn_helper6", exit_cb);
r = uv_fs_open(NULL, &fs_req, "stdout_file", O_CREAT | O_RDWR,
S_IRUSR | S_IWUSR, NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&fs_req);
file = r;
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_INHERIT_FD;
options.stdio[1].data.fd = file;
options.stdio[2].flags = UV_INHERIT_FD;
options.stdio[2].data.fd = file;
options.stdio_count = 3;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
buf = uv_buf_init(output, sizeof(output));
r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
ASSERT(r == 27);
uv_fs_req_cleanup(&fs_req);
r = uv_fs_close(NULL, &fs_req, file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&fs_req);
printf("output is: %s", output);
ASSERT(strcmp("hello world\nhello errworld\n", output) == 0);
/* Cleanup. */
unlink("stdout_file");
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_stdout_and_stderr_to_file2) {
#ifndef _WIN32
int r;
uv_file file;
uv_fs_t fs_req;
uv_stdio_container_t stdio[3];
uv_buf_t buf;
/* Setup. */
unlink("stdout_file");
init_process_options("spawn_helper6", exit_cb);
/* Replace stderr with our file */
r = uv_fs_open(NULL,
&fs_req,
"stdout_file",
O_CREAT | O_RDWR,
S_IRUSR | S_IWUSR,
NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&fs_req);
file = dup2(r, STDERR_FILENO);
ASSERT(file != -1);
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_INHERIT_FD;
options.stdio[1].data.fd = file;
options.stdio[2].flags = UV_INHERIT_FD;
options.stdio[2].data.fd = file;
options.stdio_count = 3;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
buf = uv_buf_init(output, sizeof(output));
r = uv_fs_read(NULL, &fs_req, file, &buf, 1, 0, NULL);
ASSERT(r == 27);
uv_fs_req_cleanup(&fs_req);
r = uv_fs_close(NULL, &fs_req, file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&fs_req);
printf("output is: %s", output);
ASSERT(strcmp("hello world\nhello errworld\n", output) == 0);
/* Cleanup. */
unlink("stdout_file");
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
#else
RETURN_SKIP("Unix only test");
#endif
}
TEST_IMPL(spawn_stdout_and_stderr_to_file_swap) {
#ifndef _WIN32
int r;
uv_file stdout_file;
uv_file stderr_file;
uv_fs_t fs_req;
uv_stdio_container_t stdio[3];
uv_buf_t buf;
/* Setup. */
unlink("stdout_file");
unlink("stderr_file");
init_process_options("spawn_helper6", exit_cb);
/* open 'stdout_file' and replace STDOUT_FILENO with it */
r = uv_fs_open(NULL,
&fs_req,
"stdout_file",
O_CREAT | O_RDWR,
S_IRUSR | S_IWUSR,
NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&fs_req);
stdout_file = dup2(r, STDOUT_FILENO);
ASSERT(stdout_file != -1);
/* open 'stderr_file' and replace STDERR_FILENO with it */
r = uv_fs_open(NULL, &fs_req, "stderr_file", O_CREAT | O_RDWR,
S_IRUSR | S_IWUSR, NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&fs_req);
stderr_file = dup2(r, STDERR_FILENO);
ASSERT(stderr_file != -1);
/* now we're going to swap them: the child process' stdout will be our
* stderr_file and vice versa */
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_INHERIT_FD;
options.stdio[1].data.fd = stderr_file;
options.stdio[2].flags = UV_INHERIT_FD;
options.stdio[2].data.fd = stdout_file;
options.stdio_count = 3;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
buf = uv_buf_init(output, sizeof(output));
/* check the content of stdout_file */
r = uv_fs_read(NULL, &fs_req, stdout_file, &buf, 1, 0, NULL);
ASSERT(r >= 15);
uv_fs_req_cleanup(&fs_req);
r = uv_fs_close(NULL, &fs_req, stdout_file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&fs_req);
printf("output is: %s", output);
ASSERT(strncmp("hello errworld\n", output, 15) == 0);
/* check the content of stderr_file */
r = uv_fs_read(NULL, &fs_req, stderr_file, &buf, 1, 0, NULL);
ASSERT(r >= 12);
uv_fs_req_cleanup(&fs_req);
r = uv_fs_close(NULL, &fs_req, stderr_file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&fs_req);
printf("output is: %s", output);
ASSERT(strncmp("hello world\n", output, 12) == 0);
/* Cleanup. */
unlink("stdout_file");
unlink("stderr_file");
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
#else
RETURN_SKIP("Unix only test");
#endif
}
TEST_IMPL(spawn_stdin) {
int r;
uv_pipe_t out;
uv_pipe_t in;
uv_write_t write_req;
uv_buf_t buf;
uv_stdio_container_t stdio[2];
char buffer[] = "hello-from-spawn_stdin";
init_process_options("spawn_helper3", exit_cb);
uv_pipe_init(uv_default_loop(), &out, 0);
uv_pipe_init(uv_default_loop(), &in, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
buf.base = buffer;
buf.len = sizeof(buffer);
r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 3); /* Once for process twice for the pipe. */
ASSERT(strcmp(buffer, output) == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_stdio_greater_than_3) {
int r;
uv_pipe_t pipe;
uv_stdio_container_t stdio[4];
init_process_options("spawn_helper5", exit_cb);
uv_pipe_init(uv_default_loop(), &pipe, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_IGNORE;
options.stdio[2].flags = UV_IGNORE;
options.stdio[3].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[3].data.stream = (uv_stream_t*) &pipe;
options.stdio_count = 4;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &pipe, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
printf("output from stdio[3] is: %s", output);
ASSERT(strcmp("fourth stdio!\n", output) == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
int spawn_tcp_server_helper(void) {
uv_tcp_t tcp;
uv_os_sock_t handle;
int r;
r = uv_tcp_init(uv_default_loop(), &tcp);
ASSERT(r == 0);
#ifdef _WIN32
handle = _get_osfhandle(3);
#else
handle = 3;
#endif
r = uv_tcp_open(&tcp, handle);
ASSERT(r == 0);
/* Make sure that we can listen on a socket that was
* passed down from the parent process
*/
r = uv_listen((uv_stream_t*) &tcp, SOMAXCONN, NULL);
ASSERT(r == 0);
return 1;
}
TEST_IMPL(spawn_tcp_server) {
uv_stdio_container_t stdio[4];
struct sockaddr_in addr;
int fd;
int r;
#ifdef _WIN32
uv_os_fd_t handle;
#endif
init_process_options("spawn_tcp_server_helper", exit_cb);
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
fd = -1;
r = uv_tcp_init_ex(uv_default_loop(), &tcp_server, AF_INET);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
#ifdef _WIN32
r = uv_fileno((uv_handle_t*) &tcp_server, &handle);
fd = _open_osfhandle((intptr_t) handle, 0);
#else
r = uv_fileno((uv_handle_t*) &tcp_server, &fd);
#endif
ASSERT(r == 0);
ASSERT(fd > 0);
options.stdio = stdio;
options.stdio[0].flags = UV_INHERIT_FD;
options.stdio[0].data.fd = 0;
options.stdio[1].flags = UV_INHERIT_FD;
options.stdio[1].data.fd = 1;
options.stdio[2].flags = UV_INHERIT_FD;
options.stdio[2].data.fd = 2;
options.stdio[3].flags = UV_INHERIT_FD;
options.stdio[3].data.fd = fd;
options.stdio_count = 4;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_ignored_stdio) {
int r;
init_process_options("spawn_helper6", exit_cb);
options.stdio = NULL;
options.stdio_count = 0;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_and_kill) {
int r;
init_process_options("spawn_helper4", kill_cb);
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_timer_init(uv_default_loop(), &timer);
ASSERT(r == 0);
r = uv_timer_start(&timer, timer_cb, 500, 0);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* Once for process and once for timer. */
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_preserve_env) {
int r;
uv_pipe_t out;
uv_stdio_container_t stdio[2];
init_process_options("spawn_helper7", exit_cb);
uv_pipe_init(uv_default_loop(), &out, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
r = putenv("ENV_TEST=testval");
ASSERT(r == 0);
/* Explicitly set options.env to NULL to test for env clobbering. */
options.env = NULL;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2);
printf("output is: %s", output);
ASSERT(strcmp("testval", output) == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_detached) {
int r;
init_process_options("spawn_helper4", detach_failure_cb);
options.flags |= UV_PROCESS_DETACHED;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
uv_unref((uv_handle_t*) &process);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 0);
ASSERT(process.pid == uv_process_get_pid(&process));
r = uv_kill(process.pid, 0);
ASSERT(r == 0);
r = uv_kill(process.pid, SIGTERM);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_and_kill_with_std) {
int r;
uv_pipe_t in, out, err;
uv_write_t write;
char message[] = "Nancy's joining me because the message this evening is "
"not my message but ours.";
uv_buf_t buf;
uv_stdio_container_t stdio[3];
init_process_options("spawn_helper4", kill_cb);
r = uv_pipe_init(uv_default_loop(), &in, 0);
ASSERT(r == 0);
r = uv_pipe_init(uv_default_loop(), &out, 0);
ASSERT(r == 0);
r = uv_pipe_init(uv_default_loop(), &err, 0);
ASSERT(r == 0);
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio[2].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[2].data.stream = (uv_stream_t*) &err;
options.stdio_count = 3;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
buf = uv_buf_init(message, sizeof message);
r = uv_write(&write, (uv_stream_t*) &in, &buf, 1, write_cb);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &err, on_alloc, on_read);
ASSERT(r == 0);
r = uv_timer_init(uv_default_loop(), &timer);
ASSERT(r == 0);
r = uv_timer_start(&timer, timer_cb, 500, 0);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 5); /* process x 1, timer x 1, stdio x 3. */
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_and_ping) {
uv_write_t write_req;
uv_pipe_t in, out;
uv_buf_t buf;
uv_stdio_container_t stdio[2];
int r;
init_process_options("spawn_helper3", exit_cb);
buf = uv_buf_init("TEST", 4);
uv_pipe_init(uv_default_loop(), &out, 0);
uv_pipe_init(uv_default_loop(), &in, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
/* Sending signum == 0 should check if the
* child process is still alive, not kill it.
*/
r = uv_process_kill(&process, 0);
ASSERT(r == 0);
r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
ASSERT(exit_cb_called == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(strcmp(output, "TEST") == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_same_stdout_stderr) {
uv_write_t write_req;
uv_pipe_t in, out;
uv_buf_t buf;
uv_stdio_container_t stdio[3];
int r;
init_process_options("spawn_helper3", exit_cb);
buf = uv_buf_init("TEST", 4);
uv_pipe_init(uv_default_loop(), &out, 0);
uv_pipe_init(uv_default_loop(), &in, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
/* Sending signum == 0 should check if the
* child process is still alive, not kill it.
*/
r = uv_process_kill(&process, 0);
ASSERT(r == 0);
r = uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
ASSERT(exit_cb_called == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(strcmp(output, "TEST") == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_closed_process_io) {
uv_pipe_t in;
uv_write_t write_req;
uv_buf_t buf;
uv_stdio_container_t stdio[2];
static char buffer[] = "hello-from-spawn_stdin\n";
init_process_options("spawn_helper3", exit_cb);
uv_pipe_init(uv_default_loop(), &in, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio_count = 1;
close(0); /* Close process stdin. */
ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
buf = uv_buf_init(buffer, sizeof(buffer));
ASSERT(0 == uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_cb));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* process, child stdin */
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(kill) {
int r;
#ifdef _WIN32
no_term_signal = 1;
#endif
init_process_options("spawn_helper4", kill_cb);
/* Verify that uv_spawn() resets the signal disposition. */
#ifndef _WIN32
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGTERM);
ASSERT(0 == pthread_sigmask(SIG_BLOCK, &set, NULL));
}
ASSERT(SIG_ERR != signal(SIGTERM, SIG_IGN));
#endif
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
#ifndef _WIN32
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGTERM);
ASSERT(0 == pthread_sigmask(SIG_UNBLOCK, &set, NULL));
}
ASSERT(SIG_ERR != signal(SIGTERM, SIG_DFL));
#endif
/* Sending signum == 0 should check if the
* child process is still alive, not kill it.
*/
r = uv_kill(process.pid, 0);
ASSERT(r == 0);
/* Kill the process. */
r = uv_kill(process.pid, SIGTERM);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#ifdef _WIN32
TEST_IMPL(spawn_detect_pipe_name_collisions_on_windows) {
int r;
uv_pipe_t out;
char name[64];
HANDLE pipe_handle;
uv_stdio_container_t stdio[2];
init_process_options("spawn_helper2", exit_cb);
uv_pipe_init(uv_default_loop(), &out, 0);
options.stdio = stdio;
options.stdio[0].flags = UV_IGNORE;
options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
options.stdio[1].data.stream = (uv_stream_t*) &out;
options.stdio_count = 2;
/* Create a pipe that'll cause a collision. */
snprintf(name,
sizeof(name),
"\\\\.\\pipe\\uv\\%p-%lu",
&out,
GetCurrentProcessId());
pipe_handle = CreateNamedPipeA(name,
PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
10,
65536,
65536,
0,
NULL);
ASSERT(pipe_handle != INVALID_HANDLE_VALUE);
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
printf("output is: %s", output);
ASSERT(strcmp("hello world\n", output) == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#if !defined(USING_UV_SHARED)
int make_program_args(char** args, int verbatim_arguments, WCHAR** dst_ptr);
WCHAR* quote_cmd_arg(const WCHAR *source, WCHAR *target);
TEST_IMPL(argument_escaping) {
const WCHAR* test_str[] = {
L"",
L"HelloWorld",
L"Hello World",
L"Hello\"World",
L"Hello World\\",
L"Hello\\\"World",
L"Hello\\World",
L"Hello\\\\World",
L"Hello World\\",
L"c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\""
};
const int count = sizeof(test_str) / sizeof(*test_str);
WCHAR** test_output;
WCHAR* command_line;
WCHAR** cracked;
size_t total_size = 0;
int i;
int num_args;
int result;
char* verbatim[] = {
"cmd.exe",
"/c",
"c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\"",
NULL
};
WCHAR* verbatim_output;
WCHAR* non_verbatim_output;
test_output = calloc(count, sizeof(WCHAR*));
ASSERT_NOT_NULL(test_output);
for (i = 0; i < count; ++i) {
test_output[i] = calloc(2 * (wcslen(test_str[i]) + 2), sizeof(WCHAR));
quote_cmd_arg(test_str[i], test_output[i]);
wprintf(L"input : %s\n", test_str[i]);
wprintf(L"output: %s\n", test_output[i]);
total_size += wcslen(test_output[i]) + 1;
}
command_line = calloc(total_size + 1, sizeof(WCHAR));
ASSERT_NOT_NULL(command_line);
for (i = 0; i < count; ++i) {
wcscat(command_line, test_output[i]);
wcscat(command_line, L" ");
}
command_line[total_size - 1] = L'\0';
wprintf(L"command_line: %s\n", command_line);
cracked = CommandLineToArgvW(command_line, &num_args);
for (i = 0; i < num_args; ++i) {
wprintf(L"%d: %s\t%s\n", i, test_str[i], cracked[i]);
ASSERT(wcscmp(test_str[i], cracked[i]) == 0);
}
LocalFree(cracked);
for (i = 0; i < count; ++i) {
free(test_output[i]);
}
free(test_output);
result = make_program_args(verbatim, 1, &verbatim_output);
ASSERT(result == 0);
result = make_program_args(verbatim, 0, &non_verbatim_output);
ASSERT(result == 0);
wprintf(L" verbatim_output: %s\n", verbatim_output);
wprintf(L"non_verbatim_output: %s\n", non_verbatim_output);
ASSERT(wcscmp(verbatim_output,
L"cmd.exe /c c:\\path\\to\\node.exe --eval "
L"\"require('c:\\\\path\\\\to\\\\test.js')\"") == 0);
ASSERT(wcscmp(non_verbatim_output,
L"cmd.exe /c \"c:\\path\\to\\node.exe --eval "
L"\\\"require('c:\\\\path\\\\to\\\\test.js')\\\"\"") == 0);
free(verbatim_output);
free(non_verbatim_output);
return 0;
}
int make_program_env(char** env_block, WCHAR** dst_ptr);
TEST_IMPL(environment_creation) {
size_t i;
char* environment[] = {
"FOO=BAR",
"SYSTEM=ROOT", /* substring of a supplied var name */
"SYSTEMROOTED=OMG", /* supplied var name is a substring */
"TEMP=C:\\Temp",
"INVALID",
"BAZ=QUX",
"B_Z=QUX",
"B\xe2\x82\xacZ=QUX",
"B\xf0\x90\x80\x82Z=QUX",
"B\xef\xbd\xa1Z=QUX",
"B\xf0\xa3\x91\x96Z=QUX",
"BAZ", /* repeat, invalid variable */
NULL
};
WCHAR* wenvironment[] = {
L"BAZ=QUX",
L"B_Z=QUX",
L"B\x20acZ=QUX",
L"B\xd800\xdc02Z=QUX",
L"B\xd84d\xdc56Z=QUX",
L"B\xff61Z=QUX",
L"FOO=BAR",
L"SYSTEM=ROOT", /* substring of a supplied var name */
L"SYSTEMROOTED=OMG", /* supplied var name is a substring */
L"TEMP=C:\\Temp",
};
WCHAR* from_env[] = {
/* list should be kept in sync with list
* in process.c, minus variables in wenvironment */
L"HOMEDRIVE",
L"HOMEPATH",
L"LOGONSERVER",
L"PATH",
L"USERDOMAIN",
L"USERNAME",
L"USERPROFILE",
L"SYSTEMDRIVE",
L"SYSTEMROOT",
L"WINDIR",
/* test for behavior in the absence of a
* required-environment variable: */
L"ZTHIS_ENV_VARIABLE_DOES_NOT_EXIST",
};
int found_in_loc_env[ARRAY_SIZE(wenvironment)] = {0};
int found_in_usr_env[ARRAY_SIZE(from_env)] = {0};
WCHAR *expected[ARRAY_SIZE(from_env)];
int result;
WCHAR* str;
WCHAR* prev;
WCHAR* env;
for (i = 0; i < ARRAY_SIZE(from_env); i++) {
/* copy expected additions to environment locally */
size_t len = GetEnvironmentVariableW(from_env[i], NULL, 0);
if (len == 0) {
found_in_usr_env[i] = 1;
str = malloc(1 * sizeof(WCHAR));
*str = 0;
expected[i] = str;
} else {
size_t name_len = wcslen(from_env[i]);
str = malloc((name_len+1+len) * sizeof(WCHAR));
wmemcpy(str, from_env[i], name_len);
expected[i] = str;
str += name_len;
*str++ = L'=';
GetEnvironmentVariableW(from_env[i], str, len);
}
}
result = make_program_env(environment, &env);
ASSERT(result == 0);
for (str = env, prev = NULL; *str; prev = str, str += wcslen(str) + 1) {
int found = 0;
#if 0
_cputws(str);
putchar('\n');
#endif
for (i = 0; i < ARRAY_SIZE(wenvironment) && !found; i++) {
if (!wcscmp(str, wenvironment[i])) {
ASSERT(!found_in_loc_env[i]);
found_in_loc_env[i] = 1;
found = 1;
}
}
for (i = 0; i < ARRAY_SIZE(expected) && !found; i++) {
if (!wcscmp(str, expected[i])) {
ASSERT(!found_in_usr_env[i]);
found_in_usr_env[i] = 1;
found = 1;
}
}
if (prev) { /* verify sort order */
#if !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
ASSERT(CompareStringOrdinal(prev, -1, str, -1, TRUE) == 1);
#endif
}
ASSERT(found); /* verify that we expected this variable */
}
/* verify that we found all expected variables */
for (i = 0; i < ARRAY_SIZE(wenvironment); i++) {
ASSERT(found_in_loc_env[i]);
}
for (i = 0; i < ARRAY_SIZE(expected); i++) {
ASSERT(found_in_usr_env[i]);
}
return 0;
}
#endif
/* Regression test for issue #909 */
TEST_IMPL(spawn_with_an_odd_path) {
int r;
char newpath[2048];
char *path = getenv("PATH");
ASSERT_NOT_NULL(path);
snprintf(newpath, 2048, ";.;%s", path);
SetEnvironmentVariable("PATH", newpath);
init_process_options("", exit_cb);
options.file = options.args[0] = "program-that-had-better-not-exist";
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == UV_ENOENT || r == UV_EACCES);
ASSERT(0 == uv_is_active((uv_handle_t*) &process));
uv_close((uv_handle_t*) &process, NULL);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif
#ifndef _WIN32
TEST_IMPL(spawn_setuid_setgid) {
int r;
struct passwd* pw;
char uidstr[10];
char gidstr[10];
/* if not root, then this will fail. */
uv_uid_t uid = getuid();
if (uid != 0) {
RETURN_SKIP("It should be run as root user");
}
init_process_options("spawn_helper_setuid_setgid", exit_cb);
/* become the "nobody" user. */
pw = getpwnam("nobody");
ASSERT_NOT_NULL(pw);
options.uid = pw->pw_uid;
options.gid = pw->pw_gid;
snprintf(uidstr, sizeof(uidstr), "%d", pw->pw_uid);
snprintf(gidstr, sizeof(gidstr), "%d", pw->pw_gid);
options.args[2] = uidstr;
options.args[3] = gidstr;
options.flags = UV_PROCESS_SETUID | UV_PROCESS_SETGID;
r = uv_spawn(uv_default_loop(), &process, &options);
if (r == UV_EACCES)
RETURN_SKIP("user 'nobody' cannot access the test runner");
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif
#ifndef _WIN32
TEST_IMPL(spawn_setuid_fails) {
int r;
/* if root, become nobody. */
/* On IBMi PASE, there is no nobody user. */
#ifndef __PASE__
uv_uid_t uid = getuid();
if (uid == 0) {
struct passwd* pw;
pw = getpwnam("nobody");
ASSERT_NOT_NULL(pw);
ASSERT(0 == setgid(pw->pw_gid));
ASSERT(0 == setuid(pw->pw_uid));
}
#endif /* !__PASE__ */
init_process_options("spawn_helper1", fail_cb);
options.flags |= UV_PROCESS_SETUID;
/* On IBMi PASE, there is no root user. User may grant
* root-like privileges, including setting uid to 0.
*/
#if defined(__PASE__)
options.uid = -1;
#else
options.uid = 0;
#endif
/* These flags should be ignored on Unices. */
options.flags |= UV_PROCESS_WINDOWS_HIDE;
options.flags |= UV_PROCESS_WINDOWS_HIDE_CONSOLE;
options.flags |= UV_PROCESS_WINDOWS_HIDE_GUI;
options.flags |= UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS;
r = uv_spawn(uv_default_loop(), &process, &options);
#if defined(__CYGWIN__)
ASSERT(r == UV_EINVAL);
#else
ASSERT(r == UV_EPERM);
#endif
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(close_cb_called == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_setgid_fails) {
int r;
/* if root, become nobody. */
/* On IBMi PASE, there is no nobody user. */
#ifndef __PASE__
uv_uid_t uid = getuid();
if (uid == 0) {
struct passwd* pw;
pw = getpwnam("nobody");
ASSERT_NOT_NULL(pw);
ASSERT(0 == setgid(pw->pw_gid));
ASSERT(0 == setuid(pw->pw_uid));
}
#endif /* !__PASE__ */
init_process_options("spawn_helper1", fail_cb);
options.flags |= UV_PROCESS_SETGID;
/* On IBMi PASE, there is no root user. User may grant
* root-like privileges, including setting gid to 0.
*/
#if defined(__MVS__) || defined(__PASE__)
options.gid = -1;
#else
options.gid = 0;
#endif
r = uv_spawn(uv_default_loop(), &process, &options);
#if defined(__CYGWIN__) || defined(__MVS__)
ASSERT(r == UV_EINVAL);
#else
ASSERT(r == UV_EPERM);
#endif
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(close_cb_called == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif
#ifdef _WIN32
static void exit_cb_unexpected(uv_process_t* process,
int64_t exit_status,
int term_signal) {
ASSERT(0 && "should not have been called");
}
TEST_IMPL(spawn_setuid_fails) {
int r;
init_process_options("spawn_helper1", exit_cb_unexpected);
options.flags |= UV_PROCESS_SETUID;
options.uid = (uv_uid_t) -42424242;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == UV_ENOTSUP);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(close_cb_called == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_setgid_fails) {
int r;
init_process_options("spawn_helper1", exit_cb_unexpected);
options.flags |= UV_PROCESS_SETGID;
options.gid = (uv_gid_t) -42424242;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == UV_ENOTSUP);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(close_cb_called == 0);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif
TEST_IMPL(spawn_auto_unref) {
init_process_options("spawn_helper1", NULL);
ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(0 == uv_is_closing((uv_handle_t*) &process));
uv_close((uv_handle_t*) &process, NULL);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(1 == uv_is_closing((uv_handle_t*) &process));
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_fs_open) {
int r;
uv_os_fd_t fd;
uv_os_fd_t dup_fd;
uv_fs_t fs_req;
uv_pipe_t in;
uv_write_t write_req;
uv_write_t write_req2;
uv_buf_t buf;
uv_stdio_container_t stdio[1];
#ifdef _WIN32
const char dev_null[] = "NUL";
HMODULE kernelbase_module;
sCompareObjectHandles pCompareObjectHandles; /* function introduced in Windows 10 */
#else
const char dev_null[] = "/dev/null";
#endif
r = uv_fs_open(NULL, &fs_req, dev_null, O_RDWR, 0, NULL);
ASSERT(r != -1);
fd = uv_get_osfhandle((uv_file) fs_req.result);
uv_fs_req_cleanup(&fs_req);
init_process_options("spawn_helper8", exit_cb);
ASSERT(0 == uv_pipe_init(uv_default_loop(), &in, 0));
options.stdio = stdio;
options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
options.stdio[0].data.stream = (uv_stream_t*) &in;
options.stdio_count = 1;
/* make an inheritable copy */
#ifdef _WIN32
ASSERT(0 != DuplicateHandle(GetCurrentProcess(), fd, GetCurrentProcess(), &dup_fd,
0, /* inherit */ TRUE, DUPLICATE_SAME_ACCESS));
kernelbase_module = GetModuleHandleA("kernelbase.dll");
pCompareObjectHandles = (sCompareObjectHandles)
GetProcAddress(kernelbase_module, "CompareObjectHandles");
ASSERT(pCompareObjectHandles == NULL || pCompareObjectHandles(fd, dup_fd));
#else
dup_fd = dup(fd);
#endif
ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
buf = uv_buf_init((char*) &fd, sizeof(fd));
ASSERT(0 == uv_write(&write_req, (uv_stream_t*) &in, &buf, 1, write_null_cb));
buf = uv_buf_init((char*) &dup_fd, sizeof(fd));
ASSERT(0 == uv_write(&write_req2, (uv_stream_t*) &in, &buf, 1, write_cb));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(0 == uv_fs_close(NULL, &fs_req, r, NULL));
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 2); /* One for `in`, one for process */
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(closed_fd_events) {
uv_stdio_container_t stdio[3];
uv_pipe_t pipe_handle;
uv_fs_t req;
uv_buf_t bufs[1];
uv_file fd[2];
bufs[0] = uv_buf_init("", 1);
/* create a pipe and share it with a child process */
ASSERT(0 == uv_pipe(fd, 0, 0));
ASSERT(fd[0] > 2);
ASSERT(fd[1] > 2);
/* spawn_helper4 blocks indefinitely. */
init_process_options("spawn_helper4", exit_cb);
options.stdio_count = 3;
options.stdio = stdio;
options.stdio[0].flags = UV_INHERIT_FD;
options.stdio[0].data.fd = fd[0];
options.stdio[1].flags = UV_IGNORE;
options.stdio[2].flags = UV_IGNORE;
ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
uv_unref((uv_handle_t*) &process);
/* read from the pipe with uv */
ASSERT(0 == uv_pipe_init(uv_default_loop(), &pipe_handle, 0));
ASSERT(0 == uv_pipe_open(&pipe_handle, fd[0]));
/* uv_pipe_open() takes ownership of the file descriptor. */
fd[0] = -1;
ASSERT(0 == uv_read_start((uv_stream_t*) &pipe_handle, on_alloc, on_read_once));
ASSERT(1 == uv_fs_write(NULL, &req, fd[1], bufs, 1, -1, NULL));
ASSERT(req.result == 1);
uv_fs_req_cleanup(&req);
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));
/* should have received just one byte */
ASSERT(output_used == 1);
/* close the pipe and see if we still get events */
uv_close((uv_handle_t*) &pipe_handle, close_cb);
ASSERT(1 == uv_fs_write(NULL, &req, fd[1], bufs, 1, -1, NULL));
ASSERT(req.result == 1);
uv_fs_req_cleanup(&req);
ASSERT(0 == uv_timer_init(uv_default_loop(), &timer));
ASSERT(0 == uv_timer_start(&timer, timer_counter_cb, 10, 0));
/* see if any spurious events interrupt the timer */
if (1 == uv_run(uv_default_loop(), UV_RUN_ONCE))
/* have to run again to really trigger the timer */
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));
ASSERT(timer_counter == 1);
/* cleanup */
ASSERT(0 == uv_process_kill(&process, SIGTERM));
#ifdef _WIN32
ASSERT(0 == _close(fd[1]));
#else
ASSERT(0 == close(fd[1]));
#endif
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_reads_child_path) {
int r;
int len;
char file[64];
char path[1024];
char* env[3];
/* Need to carry over the dynamic linker path when the test runner is
* linked against libuv.so, see https://github.com/libuv/libuv/issues/85.
*/
#if defined(__APPLE__)
static const char dyld_path_var[] = "DYLD_LIBRARY_PATH";
#elif defined(__MVS__) || defined(__PASE__)
static const char dyld_path_var[] = "LIBPATH";
#else
static const char dyld_path_var[] = "LD_LIBRARY_PATH";
#endif
/* Set up the process, but make sure that the file to run is relative and
* requires a lookup into PATH. */
init_process_options("spawn_helper1", exit_cb);
/* Set up the PATH env variable */
for (len = strlen(exepath);
exepath[len - 1] != '/' && exepath[len - 1] != '\\';
len--);
strcpy(file, exepath + len);
exepath[len] = 0;
strcpy(path, "PATH=");
strcpy(path + 5, exepath);
#if defined(__CYGWIN__) || defined(__MSYS__)
/* Carry over the dynamic linker path in case the test runner
is linked against cyguv-1.dll or msys-uv-1.dll, see above. */
{
char* syspath = getenv("PATH");
if (syspath != NULL) {
strcat(path, ":");
strcat(path, syspath);
}
}
#endif
env[0] = path;
env[1] = getenv(dyld_path_var);
env[2] = NULL;
if (env[1] != NULL) {
static char buf[1024 + sizeof(dyld_path_var)];
snprintf(buf, sizeof(buf), "%s=%s", dyld_path_var, env[1]);
env[1] = buf;
}
options.file = file;
options.args[0] = file;
options.env = env;
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
TEST_IMPL(spawn_inherit_streams) {
uv_process_t child_req;
uv_stdio_container_t child_stdio[2];
int fds_stdin[2];
int fds_stdout[2];
uv_pipe_t pipe_stdin_child;
uv_pipe_t pipe_stdout_child;
uv_pipe_t pipe_stdin_parent;
uv_pipe_t pipe_stdout_parent;
unsigned char ubuf[OUTPUT_SIZE - 1];
uv_buf_t buf;
unsigned int i;
int r;
int bidir;
uv_write_t write_req;
uv_loop_t* loop;
init_process_options("spawn_helper9", exit_cb);
loop = uv_default_loop();
ASSERT(uv_pipe_init(loop, &pipe_stdin_child, 0) == 0);
ASSERT(uv_pipe_init(loop, &pipe_stdout_child, 0) == 0);
ASSERT(uv_pipe_init(loop, &pipe_stdin_parent, 0) == 0);
ASSERT(uv_pipe_init(loop, &pipe_stdout_parent, 0) == 0);
ASSERT(uv_pipe(fds_stdin, 0, 0) == 0);
ASSERT(uv_pipe(fds_stdout, 0, 0) == 0);
ASSERT(uv_pipe_open(&pipe_stdin_child, fds_stdin[0]) == 0);
ASSERT(uv_pipe_open(&pipe_stdout_child, fds_stdout[1]) == 0);
ASSERT(uv_pipe_open(&pipe_stdin_parent, fds_stdin[1]) == 0);
ASSERT(uv_pipe_open(&pipe_stdout_parent, fds_stdout[0]) == 0);
ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdin_child));
ASSERT(uv_is_writable((uv_stream_t*) &pipe_stdout_child));
ASSERT(uv_is_writable((uv_stream_t*) &pipe_stdin_parent));
ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdout_parent));
/* Some systems (SVR4) open a bidirectional pipe, most don't. */
bidir = uv_is_writable((uv_stream_t*) &pipe_stdin_child);
ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdout_child) == bidir);
ASSERT(uv_is_readable((uv_stream_t*) &pipe_stdin_parent) == bidir);
ASSERT(uv_is_writable((uv_stream_t*) &pipe_stdout_parent) == bidir);
child_stdio[0].flags = UV_INHERIT_STREAM;
child_stdio[0].data.stream = (uv_stream_t *) &pipe_stdin_child;
child_stdio[1].flags = UV_INHERIT_STREAM;
child_stdio[1].data.stream = (uv_stream_t *) &pipe_stdout_child;
options.stdio = child_stdio;
options.stdio_count = 2;
ASSERT(uv_spawn(loop, &child_req, &options) == 0);
uv_close((uv_handle_t*) &pipe_stdin_child, NULL);
uv_close((uv_handle_t*) &pipe_stdout_child, NULL);
buf = uv_buf_init((char*) ubuf, sizeof ubuf);
for (i = 0; i < sizeof ubuf; ++i)
ubuf[i] = i & 255u;
memset(output, 0, sizeof ubuf);
r = uv_write(&write_req,
(uv_stream_t*) &pipe_stdin_parent,
&buf,
1,
write_cb);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) &pipe_stdout_parent, on_alloc, on_read);
ASSERT(r == 0);
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(exit_cb_called == 1);
ASSERT(close_cb_called == 3);
r = memcmp(ubuf, output, sizeof ubuf);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
TEST_IMPL(spawn_quoted_path) {
#ifndef _WIN32
RETURN_SKIP("Test for Windows");
#else
char* quoted_path_env[2];
args[0] = "not_existing";
args[1] = NULL;
options.file = args[0];
options.args = args;
options.exit_cb = exit_cb;
options.flags = 0;
/* We test if search_path works correctly with semicolons in quoted path. We
* will use an invalid drive, so we are sure no executable is spawned. */
quoted_path_env[0] = "PATH=\"xyz:\\test;\";xyz:\\other";
quoted_path_env[1] = NULL;
options.env = quoted_path_env;
/* We test if libuv will not segfault. */
uv_spawn(uv_default_loop(), &process, &options);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
#endif
}
TEST_IMPL(spawn_exercise_sigchld_issue) {
int r;
int i;
uv_process_options_t dummy_options = {0};
uv_process_t dummy_processes[100];
char* args[2];
init_process_options("spawn_helper1", exit_cb);
r = uv_spawn(uv_default_loop(), &process, &options);
ASSERT_EQ(r, 0);
// This test exercises a bug in the darwin kernel that causes SIGCHLD not to
// be delivered sometimes. Calling posix_spawn many times increases the
// likelihood of encountering this issue, so spin a few times to make this
// test more reliable.
dummy_options.file = args[0] = "program-that-had-better-not-exist";
args[1] = NULL;
dummy_options.args = args;
dummy_options.exit_cb = fail_cb;
dummy_options.flags = 0;
for (i = 0; i < 100; i++) {
r = uv_spawn(uv_default_loop(), &dummy_processes[i], &dummy_options);
if (r != UV_ENOENT)
ASSERT_EQ(r, UV_EACCES);
uv_close((uv_handle_t*) &dummy_processes[i], close_cb);
}
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(r, 0);
ASSERT_EQ(exit_cb_called, 1);
ASSERT_EQ(close_cb_called, 101);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
/* Helper for child process of spawn_inherit_streams */
#ifndef _WIN32
void spawn_stdin_stdout(void) {
char buf[1024];
char* pbuf;
for (;;) {
ssize_t r, w, c;
do {
r = read(0, buf, sizeof buf);
} while (r == -1 && errno == EINTR);
if (r == 0) {
return;
}
ASSERT(r > 0);
c = r;
pbuf = buf;
while (c) {
do {
w = write(1, pbuf, (size_t)c);
} while (w == -1 && errno == EINTR);
ASSERT(w >= 0);
pbuf = pbuf + w;
c = c - w;
}
}
}
#else
void spawn_stdin_stdout(void) {
char buf[1024];
char* pbuf;
HANDLE h_stdin = GetStdHandle(STD_INPUT_HANDLE);
HANDLE h_stdout = GetStdHandle(STD_OUTPUT_HANDLE);
ASSERT(h_stdin != INVALID_HANDLE_VALUE);
ASSERT(h_stdout != INVALID_HANDLE_VALUE);
for (;;) {
DWORD n_read;
DWORD n_written;
DWORD to_write;
if (!ReadFile(h_stdin, buf, sizeof buf, &n_read, NULL)) {
ASSERT(GetLastError() == ERROR_BROKEN_PIPE);
return;
}
to_write = n_read;
pbuf = buf;
while (to_write) {
ASSERT(WriteFile(h_stdout, pbuf, to_write, &n_written, NULL));
to_write -= n_written;
pbuf += n_written;
}
}
}
#endif /* !_WIN32 */
TEST_IMPL(spawn_relative_path) {
char* sep;
init_process_options("spawn_helper1", exit_cb);
exepath_size = sizeof(exepath) - 2;
ASSERT_EQ(0, uv_exepath(exepath, &exepath_size));
exepath[exepath_size] = '\0';
/* Poor man's basename(3). */
sep = strrchr(exepath, '/');
if (sep == NULL)
sep = strrchr(exepath, '\\');
ASSERT_NOT_NULL(sep);
/* Split into dirname and basename and make basename relative. */
memmove(sep + 2, sep, 1 + strlen(sep));
sep[0] = '\0';
sep[1] = '.';
sep[2] = '/';
options.cwd = exepath;
options.file = options.args[0] = sep + 1;
ASSERT_EQ(0, uv_spawn(uv_default_loop(), &process, &options));
ASSERT_EQ(0, uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT_EQ(1, exit_cb_called);
ASSERT_EQ(1, close_cb_called);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
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