[thirdparty/systemd.git] / src / test / test-exec-util.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  Copyright 2013 Thomas H.P. Andersen
***/

#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>

#include "alloc-util.h"
#include "copy.h"
#include "def.h"
#include "env-util.h"
#include "exec-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "log.h"
#include "macro.h"
#include "rm-rf.h"
#include "string-util.h"
#include "strv.h"

static int here = 0, here2 = 0, here3 = 0;
void *ignore_stdout_args[] = {&here, &here2, &here3};

/* noop handlers, just check that arguments are passed correctly */
static int ignore_stdout_func(int fd, void *arg) {
        assert(fd >= 0);
        assert(arg == &here);
        safe_close(fd);

        return 0;
}
static int ignore_stdout_func2(int fd, void *arg) {
        assert(fd >= 0);
        assert(arg == &here2);
        safe_close(fd);

        return 0;
}
static int ignore_stdout_func3(int fd, void *arg) {
        assert(fd >= 0);
        assert(arg == &here3);
        safe_close(fd);

        return 0;
}

static const gather_stdout_callback_t ignore_stdout[] = {
        ignore_stdout_func,
        ignore_stdout_func2,
        ignore_stdout_func3,
};

static void test_execute_directory(bool gather_stdout) {
        char template_lo[] = "/tmp/test-exec-util.lo.XXXXXXX";
        char template_hi[] = "/tmp/test-exec-util.hi.XXXXXXX";
        const char * dirs[] = {template_hi, template_lo, NULL};
        const char *name, *name2, *name3,
                *overridden, *override,
                *masked, *mask,
                *masked2, *mask2,   /* the mask is non-executable */
                *masked2e, *mask2e; /* the mask is executable */

        log_info("/* %s (%s) */", __func__, gather_stdout ? "gathering stdout" : "asynchronous");

        assert_se(mkdtemp(template_lo));
        assert_se(mkdtemp(template_hi));

        name = strjoina(template_lo, "/script");
        name2 = strjoina(template_hi, "/script2");
        name3 = strjoina(template_lo, "/useless");
        overridden = strjoina(template_lo, "/overridden");
        override = strjoina(template_hi, "/overridden");
        masked = strjoina(template_lo, "/masked");
        mask = strjoina(template_hi, "/masked");
        masked2 = strjoina(template_lo, "/masked2");
        mask2 = strjoina(template_hi, "/masked2");
        masked2e = strjoina(template_lo, "/masked2e");
        mask2e = strjoina(template_hi, "/masked2e");

        assert_se(write_string_file(name,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(name2,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(overridden,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(override,
                                    "#!/bin/sh\necho 'Executing '$0",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(masked,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(masked2,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(masked2e,
                                    "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(symlink("/dev/null", mask) == 0);
        assert_se(touch(mask2) == 0);
        assert_se(touch(mask2e) == 0);
        assert_se(touch(name3) >= 0);

        assert_se(chmod(name, 0755) == 0);
        assert_se(chmod(name2, 0755) == 0);
        assert_se(chmod(overridden, 0755) == 0);
        assert_se(chmod(override, 0755) == 0);
        assert_se(chmod(masked, 0755) == 0);
        assert_se(chmod(masked2, 0755) == 0);
        assert_se(chmod(masked2e, 0755) == 0);
        assert_se(chmod(mask2e, 0755) == 0);

        if (gather_stdout)
                execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);
        else
                execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, NULL);

        assert_se(chdir(template_lo) == 0);
        assert_se(access("it_works", F_OK) >= 0);
        assert_se(access("failed", F_OK) < 0);

        assert_se(chdir(template_hi) == 0);
        assert_se(access("it_works2", F_OK) >= 0);
        assert_se(access("failed", F_OK) < 0);

        (void) rm_rf(template_lo, REMOVE_ROOT|REMOVE_PHYSICAL);
        (void) rm_rf(template_hi, REMOVE_ROOT|REMOVE_PHYSICAL);
}

static void test_execution_order(void) {
        char template_lo[] = "/tmp/test-exec-util-lo.XXXXXXX";
        char template_hi[] = "/tmp/test-exec-util-hi.XXXXXXX";
        const char *dirs[] = {template_hi, template_lo, NULL};
        const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
        const char *output, *t;
        _cleanup_free_ char *contents = NULL;

        assert_se(mkdtemp(template_lo));
        assert_se(mkdtemp(template_hi));

        output = strjoina(template_hi, "/output");

        log_info("/* %s >>%s */", __func__, output);

        /* write files in "random" order */
        name2 = strjoina(template_lo, "/90-bar");
        name = strjoina(template_hi, "/80-foo");
        name3 = strjoina(template_lo, "/last");
        overridden = strjoina(template_lo, "/30-override");
        override = strjoina(template_hi, "/30-override");
        masked = strjoina(template_lo, "/10-masked");
        mask = strjoina(template_hi, "/10-masked");

        t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
        assert_se(write_string_file(name, t, WRITE_STRING_FILE_CREATE) == 0);

        t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
        assert_se(write_string_file(name2, t, WRITE_STRING_FILE_CREATE) == 0);

        t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
        assert_se(write_string_file(name3, t, WRITE_STRING_FILE_CREATE) == 0);

        t = strjoina("#!/bin/sh\necho OVERRIDDEN >>", output);
        assert_se(write_string_file(overridden, t, WRITE_STRING_FILE_CREATE) == 0);

        t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
        assert_se(write_string_file(override, t, WRITE_STRING_FILE_CREATE) == 0);

        t = strjoina("#!/bin/sh\necho MASKED >>", output);
        assert_se(write_string_file(masked, t, WRITE_STRING_FILE_CREATE) == 0);

        assert_se(symlink("/dev/null", mask) == 0);

        assert_se(chmod(name, 0755) == 0);
        assert_se(chmod(name2, 0755) == 0);
        assert_se(chmod(name3, 0755) == 0);
        assert_se(chmod(overridden, 0755) == 0);
        assert_se(chmod(override, 0755) == 0);
        assert_se(chmod(masked, 0755) == 0);

        execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);

        assert_se(read_full_file(output, &contents, NULL) >= 0);
        assert_se(streq(contents, "30-override\n80-foo\n90-bar\nlast\n"));

        (void) rm_rf(template_lo, REMOVE_ROOT|REMOVE_PHYSICAL);
        (void) rm_rf(template_hi, REMOVE_ROOT|REMOVE_PHYSICAL);
}

static int gather_stdout_one(int fd, void *arg) {
        char ***s = arg, *t;
        char buf[128] = {};

        assert_se(s);
        assert_se(read(fd, buf, sizeof buf) >= 0);
        safe_close(fd);

        assert_se(t = strndup(buf, sizeof buf));
        assert_se(strv_push(s, t) >= 0);

        return 0;
}
static int gather_stdout_two(int fd, void *arg) {
        char ***s = arg, **t;

        STRV_FOREACH(t, *s)
                assert_se(write(fd, *t, strlen(*t)) == (ssize_t) strlen(*t));
        safe_close(fd);

        return 0;
}
static int gather_stdout_three(int fd, void *arg) {
        char **s = arg;
        char buf[128] = {};

        assert_se(read(fd, buf, sizeof buf - 1) > 0);
        safe_close(fd);
        assert_se(*s = strndup(buf, sizeof buf));

        return 0;
}

const gather_stdout_callback_t gather_stdout[] = {
        gather_stdout_one,
        gather_stdout_two,
        gather_stdout_three,
};

static void test_stdout_gathering(void) {
        char template[] = "/tmp/test-exec-util.XXXXXXX";
        const char *dirs[] = {template, NULL};
        const char *name, *name2, *name3;
        int r;

        char **tmp = NULL; /* this is only used in the forked process, no cleanup here */
        _cleanup_free_ char *output = NULL;

        void* args[] = {&tmp, &tmp, &output};

        assert_se(mkdtemp(template));

        log_info("/* %s */", __func__);

        /* write files */
        name = strjoina(template, "/10-foo");
        name2 = strjoina(template, "/20-bar");
        name3 = strjoina(template, "/30-last");

        assert_se(write_string_file(name,
                                    "#!/bin/sh\necho a\necho b\necho c\n",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(name2,
                                    "#!/bin/sh\necho d\n",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(name3,
                                    "#!/bin/sh\nsleep 1",
                                    WRITE_STRING_FILE_CREATE) == 0);

        assert_se(chmod(name, 0755) == 0);
        assert_se(chmod(name2, 0755) == 0);
        assert_se(chmod(name3, 0755) == 0);

        r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_stdout, args, NULL);
        assert_se(r >= 0);

        log_info("got: %s", output);

        assert_se(streq(output, "a\nb\nc\nd\n"));
}

static void test_environment_gathering(void) {
        char template[] = "/tmp/test-exec-util.XXXXXXX", **p;
        const char *dirs[] = {template, NULL};
        const char *name, *name2, *name3;
        int r;

        char **tmp = NULL; /* this is only used in the forked process, no cleanup here */
        _cleanup_strv_free_ char **env = NULL;

        void* const args[] = { &tmp, &tmp, &env };

        assert_se(mkdtemp(template));

        log_info("/* %s */", __func__);

        /* write files */
        name = strjoina(template, "/10-foo");
        name2 = strjoina(template, "/20-bar");
        name3 = strjoina(template, "/30-last");

        assert_se(write_string_file(name,
                                    "#!/bin/sh\n"
                                    "echo A=23\n",
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(name2,
                                    "#!/bin/sh\n"
                                    "echo A=22:$A\n\n\n",            /* substitution from previous generator */
                                    WRITE_STRING_FILE_CREATE) == 0);
        assert_se(write_string_file(name3,
                                    "#!/bin/sh\n"
                                    "echo A=$A:24\n"
                                    "echo B=12\n"
                                    "echo C=000\n"
                                    "echo C=001\n"                    /* variable overwriting */
                                     /* various invalid entries */
                                    "echo unset A\n"
                                    "echo unset A=\n"
                                    "echo unset A=B\n"
                                    "echo unset \n"
                                    "echo A B=C\n"
                                    "echo A\n"
                                    /* test variable assignment without newline */
                                    "echo PATH=$PATH:/no/such/file",   /* no newline */
                                    WRITE_STRING_FILE_CREATE) == 0);

        assert_se(chmod(name, 0755) == 0);
        assert_se(chmod(name2, 0755) == 0);
        assert_se(chmod(name3, 0755) == 0);

        r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL);
        assert_se(r >= 0);

        STRV_FOREACH(p, env)
                log_info("got env: \"%s\"", *p);

        assert_se(streq(strv_env_get(env, "A"), "22:23:24"));
        assert_se(streq(strv_env_get(env, "B"), "12"));
        assert_se(streq(strv_env_get(env, "C"), "001"));
        assert_se(endswith(strv_env_get(env, "PATH"), ":/no/such/file"));
}

int main(int argc, char *argv[]) {
        log_set_max_level(LOG_DEBUG);
        log_parse_environment();
        log_open();

        test_execute_directory(true);
        test_execute_directory(false);
        test_execution_order();
        test_stdout_gathering();
        test_environment_gathering();

        return 0;
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
89711996	2	/***
89711996	3	Copyright 2013 Thomas H.P. Andersen
89711996 ZJS	4	***/
	5
	6	#include <errno.h>
	7	#include <string.h>
	8	#include <sys/stat.h>
	9	#include <sys/wait.h>
	10	#include <unistd.h>
	11
c6e47247 ZJS	12	#include "alloc-util.h"
c6e47247 ZJS	13	#include "copy.h"
89711996	14	#include "def.h"
3303d1b2	15	#include "env-util.h"
89711996	16	#include "exec-util.h"
c6e47247	17	#include "fd-util.h"
89711996 ZJS	18	#include "fileio.h"
	19	#include "fs-util.h"
	20	#include "log.h"
	21	#include "macro.h"
	22	#include "rm-rf.h"
	23	#include "string-util.h"
c6e47247	24	#include "strv.h"
89711996	25
c6e47247 ZJS	26	static int here = 0, here2 = 0, here3 = 0;
	27	void *ignore_stdout_args[] = {&here, &here2, &here3};
	28
	29	/* noop handlers, just check that arguments are passed correctly */
	30	static int ignore_stdout_func(int fd, void *arg) {
	31	assert(fd >= 0);
	32	assert(arg == &here);
	33	safe_close(fd);
	34
	35	return 0;
	36	}
	37	static int ignore_stdout_func2(int fd, void *arg) {
	38	assert(fd >= 0);
	39	assert(arg == &here2);
	40	safe_close(fd);
	41
	42	return 0;
	43	}
	44	static int ignore_stdout_func3(int fd, void *arg) {
	45	assert(fd >= 0);
	46	assert(arg == &here3);
	47	safe_close(fd);
	48
	49	return 0;
	50	}
	51
	52	static const gather_stdout_callback_t ignore_stdout[] = {
	53	ignore_stdout_func,
	54	ignore_stdout_func2,
	55	ignore_stdout_func3,
	56	};
	57
	58	static void test_execute_directory(bool gather_stdout) {
f66137fb ZJS	59	char template_lo[] = "/tmp/test-exec-util.lo.XXXXXXX";
f66137fb ZJS	60	char template_hi[] = "/tmp/test-exec-util.hi.XXXXXXX";
89711996	61	const char * dirs[] = {template_hi, template_lo, NULL};
f66137fb ZJS	62	const char name, name2, *name3,
	63	overridden, override,
	64	masked, mask,
	65	masked2, mask2, /* the mask is non-executable */
	66	masked2e, mask2e; /* the mask is executable */
89711996	67
c6e47247 ZJS	68	log_info("/* %s (%s) */", __func__, gather_stdout ? "gathering stdout" : "asynchronous");
c6e47247 ZJS	69
89711996 ZJS	70	assert_se(mkdtemp(template_lo));
	71	assert_se(mkdtemp(template_hi));
	72
	73	name = strjoina(template_lo, "/script");
	74	name2 = strjoina(template_hi, "/script2");
	75	name3 = strjoina(template_lo, "/useless");
	76	overridden = strjoina(template_lo, "/overridden");
	77	override = strjoina(template_hi, "/overridden");
	78	masked = strjoina(template_lo, "/masked");
	79	mask = strjoina(template_hi, "/masked");
f66137fb ZJS	80	masked2 = strjoina(template_lo, "/masked2");
	81	mask2 = strjoina(template_hi, "/masked2");
	82	masked2e = strjoina(template_lo, "/masked2e");
	83	mask2e = strjoina(template_hi, "/masked2e");
89711996	84
c6e47247 ZJS	85	assert_se(write_string_file(name,
	86	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works",
	87	WRITE_STRING_FILE_CREATE) == 0);
	88	assert_se(write_string_file(name2,
	89	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2",
	90	WRITE_STRING_FILE_CREATE) == 0);
	91	assert_se(write_string_file(overridden,
	92	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
	93	WRITE_STRING_FILE_CREATE) == 0);
	94	assert_se(write_string_file(override,
	95	"#!/bin/sh\necho 'Executing '$0",
	96	WRITE_STRING_FILE_CREATE) == 0);
	97	assert_se(write_string_file(masked,
	98	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
	99	WRITE_STRING_FILE_CREATE) == 0);
f66137fb ZJS	100	assert_se(write_string_file(masked2,
	101	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
	102	WRITE_STRING_FILE_CREATE) == 0);
	103	assert_se(write_string_file(masked2e,
	104	"#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed",
	105	WRITE_STRING_FILE_CREATE) == 0);
89711996	106	assert_se(symlink("/dev/null", mask) == 0);
f66137fb ZJS	107	assert_se(touch(mask2) == 0);
f66137fb ZJS	108	assert_se(touch(mask2e) == 0);
c6e47247 ZJS	109	assert_se(touch(name3) >= 0);
c6e47247 ZJS	110
89711996 ZJS	111	assert_se(chmod(name, 0755) == 0);
	112	assert_se(chmod(name2, 0755) == 0);
	113	assert_se(chmod(overridden, 0755) == 0);
	114	assert_se(chmod(override, 0755) == 0);
	115	assert_se(chmod(masked, 0755) == 0);
f66137fb ZJS	116	assert_se(chmod(masked2, 0755) == 0);
	117	assert_se(chmod(masked2e, 0755) == 0);
	118	assert_se(chmod(mask2e, 0755) == 0);
89711996	119
c6e47247 ZJS	120	if (gather_stdout)
	121	execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);
	122	else
	123	execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, NULL);
89711996 ZJS	124
	125	assert_se(chdir(template_lo) == 0);
	126	assert_se(access("it_works", F_OK) >= 0);
	127	assert_se(access("failed", F_OK) < 0);
	128
	129	assert_se(chdir(template_hi) == 0);
	130	assert_se(access("it_works2", F_OK) >= 0);
	131	assert_se(access("failed", F_OK) < 0);
	132
	133	(void) rm_rf(template_lo, REMOVE_ROOT\|REMOVE_PHYSICAL);
	134	(void) rm_rf(template_hi, REMOVE_ROOT\|REMOVE_PHYSICAL);
	135	}
	136
c6e47247 ZJS	137	static void test_execution_order(void) {
	138	char template_lo[] = "/tmp/test-exec-util-lo.XXXXXXX";
	139	char template_hi[] = "/tmp/test-exec-util-hi.XXXXXXX";
	140	const char *dirs[] = {template_hi, template_lo, NULL};
	141	const char name, name2, name3, overridden, override, masked, *mask;
	142	const char output, t;
	143	_cleanup_free_ char *contents = NULL;
	144
	145	assert_se(mkdtemp(template_lo));
	146	assert_se(mkdtemp(template_hi));
	147
	148	output = strjoina(template_hi, "/output");
	149
	150	log_info("/* %s >>%s */", __func__, output);
	151
	152	/* write files in "random" order */
	153	name2 = strjoina(template_lo, "/90-bar");
	154	name = strjoina(template_hi, "/80-foo");
	155	name3 = strjoina(template_lo, "/last");
	156	overridden = strjoina(template_lo, "/30-override");
	157	override = strjoina(template_hi, "/30-override");
	158	masked = strjoina(template_lo, "/10-masked");
	159	mask = strjoina(template_hi, "/10-masked");
	160
	161	t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
	162	assert_se(write_string_file(name, t, WRITE_STRING_FILE_CREATE) == 0);
	163
	164	t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
	165	assert_se(write_string_file(name2, t, WRITE_STRING_FILE_CREATE) == 0);
	166
	167	t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
	168	assert_se(write_string_file(name3, t, WRITE_STRING_FILE_CREATE) == 0);
	169
	170	t = strjoina("#!/bin/sh\necho OVERRIDDEN >>", output);
	171	assert_se(write_string_file(overridden, t, WRITE_STRING_FILE_CREATE) == 0);
	172
	173	t = strjoina("#!/bin/sh\necho $(basename $0) >>", output);
	174	assert_se(write_string_file(override, t, WRITE_STRING_FILE_CREATE) == 0);
	175
	176	t = strjoina("#!/bin/sh\necho MASKED >>", output);
	177	assert_se(write_string_file(masked, t, WRITE_STRING_FILE_CREATE) == 0);
	178
	179	assert_se(symlink("/dev/null", mask) == 0);
	180
	181	assert_se(chmod(name, 0755) == 0);
	182	assert_se(chmod(name2, 0755) == 0);
	183	assert_se(chmod(name3, 0755) == 0);
	184	assert_se(chmod(overridden, 0755) == 0);
	185	assert_se(chmod(override, 0755) == 0);
	186	assert_se(chmod(masked, 0755) == 0);
	187
	188	execute_directories(dirs, DEFAULT_TIMEOUT_USEC, ignore_stdout, ignore_stdout_args, NULL);
	189
	190	assert_se(read_full_file(output, &contents, NULL) >= 0);
	191	assert_se(streq(contents, "30-override\n80-foo\n90-bar\nlast\n"));
	192
	193	(void) rm_rf(template_lo, REMOVE_ROOT\|REMOVE_PHYSICAL);
	194	(void) rm_rf(template_hi, REMOVE_ROOT\|REMOVE_PHYSICAL);
	195	}
	196
	197	static int gather_stdout_one(int fd, void *arg) {
	198	char **s = arg, t;
	199	char buf[128] = {};
	200
201	assert_se(s);
202	assert_se(read(fd, buf, sizeof buf) >= 0);
203	safe_close(fd);
204
205	assert_se(t = strndup(buf, sizeof buf));
206	assert_se(strv_push(s, t) >= 0);
207
208	return 0;
209	}
210	static int gather_stdout_two(int fd, void *arg) {
211	char *s = arg, t;
212
213	STRV_FOREACH(t, *s)
214	assert_se(write(fd, t, strlen(t)) == (ssize_t) strlen(*t));
215	safe_close(fd);
216
217	return 0;
218	}
219	static int gather_stdout_three(int fd, void *arg) {
220	char **s = arg;
221	char buf[128] = {};
222
223	assert_se(read(fd, buf, sizeof buf - 1) > 0);
224	safe_close(fd);
225	assert_se(*s = strndup(buf, sizeof buf));
226
227	return 0;
228	}
229
4fa3993b	230	const gather_stdout_callback_t gather_stdout[] = {
c6e47247 ZJS	231	gather_stdout_one,
	232	gather_stdout_two,
	233	gather_stdout_three,
	234	};
	235
c6e47247 ZJS	236	static void test_stdout_gathering(void) {
	237	char template[] = "/tmp/test-exec-util.XXXXXXX";
	238	const char *dirs[] = {template, NULL};
	239	const char name, name2, *name3;
	240	int r;
	241
	242	char *tmp = NULL; / this is only used in the forked process, no cleanup here */
	243	_cleanup_free_ char *output = NULL;
	244
	245	void* args[] = {&tmp, &tmp, &output};
	246
	247	assert_se(mkdtemp(template));
	248
	249	log_info("/* %s */", __func__);
	250
	251	/* write files */
	252	name = strjoina(template, "/10-foo");
	253	name2 = strjoina(template, "/20-bar");
	254	name3 = strjoina(template, "/30-last");
	255
	256	assert_se(write_string_file(name,
	257	"#!/bin/sh\necho a\necho b\necho c\n",
	258	WRITE_STRING_FILE_CREATE) == 0);
	259	assert_se(write_string_file(name2,
	260	"#!/bin/sh\necho d\n",
	261	WRITE_STRING_FILE_CREATE) == 0);
	262	assert_se(write_string_file(name3,
	263	"#!/bin/sh\nsleep 1",
	264	WRITE_STRING_FILE_CREATE) == 0);
	265
	266	assert_se(chmod(name, 0755) == 0);
	267	assert_se(chmod(name2, 0755) == 0);
	268	assert_se(chmod(name3, 0755) == 0);
	269
	270	r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_stdout, args, NULL);
	271	assert_se(r >= 0);
	272
	273	log_info("got: %s", output);
	274
	275	assert_se(streq(output, "a\nb\nc\nd\n"));
	276	}
	277
3303d1b2 ZJS	278	static void test_environment_gathering(void) {
	279	char template[] = "/tmp/test-exec-util.XXXXXXX", **p;
	280	const char *dirs[] = {template, NULL};
	281	const char name, name2, *name3;
	282	int r;
	283
	284	char *tmp = NULL; / this is only used in the forked process, no cleanup here */
	285	_cleanup_strv_free_ char **env = NULL;
	286
	287	void* const args[] = { &tmp, &tmp, &env };
	288
	289	assert_se(mkdtemp(template));
	290
	291	log_info("/* %s */", __func__);
	292
	293	/* write files */
	294	name = strjoina(template, "/10-foo");
	295	name2 = strjoina(template, "/20-bar");
	296	name3 = strjoina(template, "/30-last");
	297
	298	assert_se(write_string_file(name,
	299	"#!/bin/sh\n"
	300	"echo A=23\n",
	301	WRITE_STRING_FILE_CREATE) == 0);
	302	assert_se(write_string_file(name2,
	303	"#!/bin/sh\n"
	304	"echo A=22:$A\n\n\n", /* substitution from previous generator */
	305	WRITE_STRING_FILE_CREATE) == 0);
	306	assert_se(write_string_file(name3,
	307	"#!/bin/sh\n"
	308	"echo A=$A:24\n"
	309	"echo B=12\n"
	310	"echo C=000\n"
184d1904 ZJS	311	"echo C=001\n" /* variable overwriting */
	312	/* various invalid entries */
	313	"echo unset A\n"
	314	"echo unset A=\n"
	315	"echo unset A=B\n"
	316	"echo unset \n"
	317	"echo A B=C\n"
	318	"echo A\n"
	319	/* test variable assignment without newline */
	320	"echo PATH=$PATH:/no/such/file", /* no newline */
3303d1b2 ZJS	321	WRITE_STRING_FILE_CREATE) == 0);
	322
	323	assert_se(chmod(name, 0755) == 0);
	324	assert_se(chmod(name2, 0755) == 0);
	325	assert_se(chmod(name3, 0755) == 0);
	326
	327	r = execute_directories(dirs, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL);
	328	assert_se(r >= 0);
	329
	330	STRV_FOREACH(p, env)
	331	log_info("got env: \"%s\"", *p);
	332
	333	assert_se(streq(strv_env_get(env, "A"), "22:23:24"));
	334	assert_se(streq(strv_env_get(env, "B"), "12"));
	335	assert_se(streq(strv_env_get(env, "C"), "001"));
	336	assert_se(endswith(strv_env_get(env, "PATH"), ":/no/such/file"));
	337	}
	338
89711996	339	int main(int argc, char *argv[]) {
c6e47247	340	log_set_max_level(LOG_DEBUG);
89711996 ZJS	341	log_parse_environment();
	342	log_open();
	343
c6e47247 ZJS	344	test_execute_directory(true);
	345	test_execute_directory(false);
	346	test_execution_order();
	347	test_stdout_gathering();
3303d1b2	348	test_environment_gathering();
89711996 ZJS	349
	350	return 0;
	351	}