f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering/***
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering This file is part of systemd.
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering Copyright 2013 Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering systemd is free software; you can redistribute it and/or modify it
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering under the terms of the GNU Lesser General Public License as published by
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering (at your option) any later version.
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering systemd is distributed in the hope that it will be useful, but
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering Lesser General Public License for more details.
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering You should have received a copy of the GNU Lesser General Public License
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering***/
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include <fcntl.h>
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include <stdio.h>
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include <unistd.h>
71d35b6b5563817dfbe757ab9e3b9f018b2db491Thomas Hindoe Paaboel Andersen
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include "alloc-util.h"
11c3a36649e5e5e77db499c92f3cdcbd619efd3aThomas Hindoe Paaboel Andersen#include "ctype.h"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering#include "def.h"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering#include "env-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "fd-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "fileio.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "parse-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "process-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "string-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "strv.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poetteringstatic void test_parse_env_file(void) {
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering char t[] = "/tmp/test-fileio-in-XXXXXX",
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering p[] = "/tmp/test-fileio-out-XXXXXX";
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering int fd, r;
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering FILE *f;
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering _cleanup_free_ char *one = NULL, *two = NULL, *three = NULL, *four = NULL, *five = NULL,
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering *six = NULL, *seven = NULL, *eight = NULL, *nine = NULL, *ten = NULL;
0ec0deaa30d0e68430f03fa6f32affa576481d18Lennart Poettering _cleanup_strv_free_ char **a = NULL, **b = NULL;
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering char **i;
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering unsigned k;
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering assert_se(fd >= 0);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering close(fd);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering assert_se(fd >= 0);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering f = fdopen(fd, "w");
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering assert_se(f);
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering fputs("one=BAR \n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering "# comment\n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering " # comment \n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering " ; comment \n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering " two = bar \n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering "invalid line\n"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering "invalid line #comment\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "three = \"333\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "xxxx\"\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "four = \'44\\\"44\'\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "five = \'55\\\'55\' \"FIVE\" cinco \n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "six = seis sechs\\\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering " sis\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "seven=\"sevenval\" #nocomment\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "eight=eightval #nocomment\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "export nine=nineval\n"
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering "ten=", f);
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering
7760171904ef007f19e8f46aa240a00e382d5b74Lennart Poettering fflush(f);
fclose(f);
r = load_env_file(NULL, t, NULL, &a);
assert_se(r >= 0);
STRV_FOREACH(i, a)
log_info("Got: <%s>", *i);
assert_se(streq_ptr(a[0], "one=BAR"));
assert_se(streq_ptr(a[1], "two=bar"));
assert_se(streq_ptr(a[2], "three=333\nxxxx"));
assert_se(streq_ptr(a[3], "four=44\"44"));
assert_se(streq_ptr(a[4], "five=55\'55FIVEcinco"));
assert_se(streq_ptr(a[5], "six=seis sechs sis"));
assert_se(streq_ptr(a[6], "seven=sevenval#nocomment"));
assert_se(streq_ptr(a[7], "eight=eightval #nocomment"));
assert_se(streq_ptr(a[8], "export nine=nineval"));
assert_se(streq_ptr(a[9], "ten="));
assert_se(a[10] == NULL);
strv_env_clean(a);
k = 0;
STRV_FOREACH(i, b) {
log_info("Got2: <%s>", *i);
assert_se(streq(*i, a[k++]));
}
r = parse_env_file(
t, NULL,
"one", &one,
"two", &two,
"three", &three,
"four", &four,
"five", &five,
"six", &six,
"seven", &seven,
"eight", &eight,
"export nine", &nine,
"ten", &ten,
NULL);
assert_se(r >= 0);
log_info("one=[%s]", strna(one));
log_info("two=[%s]", strna(two));
log_info("three=[%s]", strna(three));
log_info("four=[%s]", strna(four));
log_info("five=[%s]", strna(five));
log_info("six=[%s]", strna(six));
log_info("seven=[%s]", strna(seven));
log_info("eight=[%s]", strna(eight));
log_info("export nine=[%s]", strna(nine));
log_info("ten=[%s]", strna(nine));
assert_se(streq(one, "BAR"));
assert_se(streq(two, "bar"));
assert_se(streq(three, "333\nxxxx"));
assert_se(streq(four, "44\"44"));
assert_se(streq(five, "55\'55FIVEcinco"));
assert_se(streq(six, "seis sechs sis"));
assert_se(streq(seven, "sevenval#nocomment"));
assert_se(streq(eight, "eightval #nocomment"));
assert_se(streq(nine, "nineval"));
assert_se(ten == NULL);
r = write_env_file(p, a);
assert_se(r >= 0);
r = load_env_file(NULL, p, NULL, &b);
assert_se(r >= 0);
unlink(t);
unlink(p);
}
static void test_parse_multiline_env_file(void) {
char t[] = "/tmp/test-fileio-in-XXXXXX",
p[] = "/tmp/test-fileio-out-XXXXXX";
int fd, r;
FILE *f;
_cleanup_strv_free_ char **a = NULL, **b = NULL;
char **i;
fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
close(fd);
fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
f = fdopen(fd, "w");
assert_se(f);
fputs("one=BAR\\\n"
" VAR\\\n"
"\tGAR\n"
"#comment\n"
"two=\"bar\\\n"
" var\\\n"
"\tgar\"\n"
"#comment\n"
"tri=\"bar \\\n"
" var \\\n"
"\tgar \"\n", f);
fflush(f);
fclose(f);
r = load_env_file(NULL, t, NULL, &a);
assert_se(r >= 0);
STRV_FOREACH(i, a)
log_info("Got: <%s>", *i);
assert_se(streq_ptr(a[0], "one=BAR VAR\tGAR"));
assert_se(streq_ptr(a[1], "two=bar var\tgar"));
assert_se(streq_ptr(a[2], "tri=bar var \tgar "));
assert_se(a[3] == NULL);
r = write_env_file(p, a);
assert_se(r >= 0);
r = load_env_file(NULL, p, NULL, &b);
assert_se(r >= 0);
unlink(t);
unlink(p);
}
static void test_executable_is_script(void) {
char t[] = "/tmp/test-executable-XXXXXX";
int fd, r;
FILE *f;
char *command;
fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
f = fdopen(fd, "w");
assert_se(f);
fputs("#! /bin/script -a -b \ngoo goo", f);
fflush(f);
r = executable_is_script(t, &command);
assert_se(r > 0);
assert_se(streq(command, "/bin/script"));
free(command);
r = executable_is_script("/bin/sh", &command);
assert_se(r == 0);
r = executable_is_script("/usr/bin/yum", &command);
assert_se(r > 0 || r == -ENOENT);
if (r > 0) {
assert_se(startswith(command, "/"));
free(command);
}
fclose(f);
unlink(t);
}
static void test_status_field(void) {
_cleanup_free_ char *t = NULL, *p = NULL, *s = NULL, *z = NULL;
unsigned long long total = 0, buffers = 0;
int r;
assert_se(get_proc_field("/proc/self/status", "Threads", WHITESPACE, &t) == 0);
puts(t);
assert_se(streq(t, "1"));
r = get_proc_field("/proc/meminfo", "MemTotal", WHITESPACE, &p);
if (r != -ENOENT) {
assert_se(r == 0);
puts(p);
assert_se(safe_atollu(p, &total) == 0);
}
r = get_proc_field("/proc/meminfo", "Buffers", WHITESPACE, &s);
if (r != -ENOENT) {
assert_se(r == 0);
puts(s);
assert_se(safe_atollu(s, &buffers) == 0);
}
if (p)
assert_se(buffers < total);
/* Seccomp should be a good test for field full of zeros. */
r = get_proc_field("/proc/meminfo", "Seccomp", WHITESPACE, &z);
if (r != -ENOENT) {
assert_se(r == 0);
puts(z);
assert_se(safe_atollu(z, &buffers) == 0);
}
}
static void test_capeff(void) {
int pid, p;
for (pid = 0; pid < 2; pid++) {
_cleanup_free_ char *capeff = NULL;
int r;
r = get_process_capeff(0, &capeff);
log_info("capeff: '%s' (r=%d)", capeff, r);
if (r == -ENOENT || r == -EPERM)
return;
assert_se(r == 0);
assert_se(*capeff);
p = capeff[strspn(capeff, DIGITS "abcdefABCDEF")];
assert_se(!p || isspace(p));
}
}
static void test_write_string_stream(void) {
char fn[] = "/tmp/test-write_string_stream-XXXXXX";
_cleanup_fclose_ FILE *f = NULL;
int fd;
char buf[64];
fd = mkostemp_safe(fn, O_RDWR);
assert_se(fd >= 0);
f = fdopen(fd, "r");
assert_se(f);
assert_se(write_string_stream(f, "boohoo", true) < 0);
f = freopen(fn, "r+", f);
assert_se(f);
assert_se(write_string_stream(f, "boohoo", true) == 0);
rewind(f);
assert_se(fgets(buf, sizeof(buf), f));
assert_se(streq(buf, "boohoo\n"));
f = freopen(fn, "w+", f);
assert_se(f);
assert_se(write_string_stream(f, "boohoo", false) == 0);
rewind(f);
assert_se(fgets(buf, sizeof(buf), f));
printf(">%s<", buf);
assert_se(streq(buf, "boohoo"));
unlink(fn);
}
static void test_write_string_file(void) {
char fn[] = "/tmp/test-write_string_file-XXXXXX";
char buf[64] = {};
_cleanup_close_ int fd;
fd = mkostemp_safe(fn, O_RDWR);
assert_se(fd >= 0);
assert_se(write_string_file(fn, "boohoo", WRITE_STRING_FILE_CREATE) == 0);
assert_se(read(fd, buf, sizeof(buf)) == 7);
assert_se(streq(buf, "boohoo\n"));
unlink(fn);
}
static void test_write_string_file_no_create(void) {
char fn[] = "/tmp/test-write_string_file_no_create-XXXXXX";
_cleanup_close_ int fd;
char buf[64] = {0};
fd = mkostemp_safe(fn, O_RDWR);
assert_se(fd >= 0);
assert_se(write_string_file("/a/file/which/does/not/exists/i/guess", "boohoo", 0) < 0);
assert_se(write_string_file(fn, "boohoo", 0) == 0);
assert_se(read(fd, buf, sizeof(buf)) == strlen("boohoo\n"));
assert_se(streq(buf, "boohoo\n"));
unlink(fn);
}
static void test_write_string_file_verify(void) {
_cleanup_free_ char *buf = NULL, *buf2 = NULL;
int r;
assert_se(read_one_line_file("/proc/cmdline", &buf) >= 0);
assert_se((buf2 = strjoin(buf, "\n", NULL)));
r = write_string_file("/proc/cmdline", buf, 0);
assert_se(r == -EACCES || r == -EIO);
r = write_string_file("/proc/cmdline", buf2, 0);
assert_se(r == -EACCES || r == -EIO);
assert_se(write_string_file("/proc/cmdline", buf, WRITE_STRING_FILE_VERIFY_ON_FAILURE) == 0);
assert_se(write_string_file("/proc/cmdline", buf2, WRITE_STRING_FILE_VERIFY_ON_FAILURE) == 0);
r = write_string_file("/proc/cmdline", buf, WRITE_STRING_FILE_VERIFY_ON_FAILURE|WRITE_STRING_FILE_AVOID_NEWLINE);
assert_se(r == -EACCES || r == -EIO);
assert_se(write_string_file("/proc/cmdline", buf2, WRITE_STRING_FILE_VERIFY_ON_FAILURE|WRITE_STRING_FILE_AVOID_NEWLINE) == 0);
}
static void test_load_env_file_pairs(void) {
char fn[] = "/tmp/test-load_env_file_pairs-XXXXXX";
int fd;
int r;
_cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **l = NULL;
char **k, **v;
fd = mkostemp_safe(fn, O_RDWR);
assert_se(fd >= 0);
r = write_string_file(fn,
"NAME=\"Arch Linux\"\n"
"ID=arch\n"
"PRETTY_NAME=\"Arch Linux\"\n"
"ANSI_COLOR=\"0;36\"\n"
"HOME_URL=\"https://www.archlinux.org/\"\n"
"SUPPORT_URL=\"https://bbs.archlinux.org/\"\n"
"BUG_REPORT_URL=\"https://bugs.archlinux.org/\"\n",
WRITE_STRING_FILE_CREATE);
assert_se(r == 0);
f = fdopen(fd, "r");
assert_se(f);
r = load_env_file_pairs(f, fn, NULL, &l);
assert_se(r >= 0);
assert_se(strv_length(l) == 14);
STRV_FOREACH_PAIR(k, v, l) {
assert_se(STR_IN_SET(*k, "NAME", "ID", "PRETTY_NAME", "ANSI_COLOR", "HOME_URL", "SUPPORT_URL", "BUG_REPORT_URL"));
printf("%s=%s\n", *k, *v);
if (streq(*k, "NAME")) assert_se(streq(*v, "Arch Linux"));
if (streq(*k, "ID")) assert_se(streq(*v, "arch"));
if (streq(*k, "PRETTY_NAME")) assert_se(streq(*v, "Arch Linux"));
if (streq(*k, "ANSI_COLOR")) assert_se(streq(*v, "0;36"));
if (streq(*k, "HOME_URL")) assert_se(streq(*v, "https://www.archlinux.org/"));
if (streq(*k, "SUPPORT_URL")) assert_se(streq(*v, "https://bbs.archlinux.org/"));
if (streq(*k, "BUG_REPORT_URL")) assert_se(streq(*v, "https://bugs.archlinux.org/"));
}
unlink(fn);
}
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
test_parse_env_file();
test_parse_multiline_env_file();
test_executable_is_script();
test_status_field();
test_capeff();
test_write_string_stream();
test_write_string_file();
test_write_string_file_no_create();
test_write_string_file_verify();
test_load_env_file_pairs();
return 0;
}