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systemd/src/test/test-fileio.c
Lennart Poettering 039f0e70a0 env-util: don't include files from src/core/
2014-12-23 19:15:27 +01:00

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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include "util.h"
#include "fileio.h"
#include "strv.h"
#include "env-util.h"
#include "def.h"
#include "ctype.h"
static void test_parse_env_file(void) {
char t[] = "/tmp/test-fileio-in-XXXXXX",
p[] = "/tmp/test-fileio-out-XXXXXX";
int fd, r;
FILE *f;
_cleanup_free_ char *one = NULL, *two = NULL, *three = NULL, *four = NULL, *five = NULL,
*six = NULL, *seven = NULL, *eight = NULL, *nine = NULL, *ten = NULL;
_cleanup_strv_free_ char **a = NULL, **b = NULL;
char **i;
unsigned k;
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"
"# comment\n"
" # comment \n"
" ; comment \n"
" two = bar \n"
"invalid line\n"
"invalid line #comment\n"
"three = \"333\n"
"xxxx\"\n"
"four = \'44\\\"44\'\n"
"five = \'55\\\'55\' \"FIVE\" cinco \n"
"six = seis sechs\\\n"
" sis\n"
"seven=\"sevenval\" #nocomment\n"
"eight=eightval #nocomment\n"
"export nine=nineval\n"
"ten=", 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"));
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_status_field("/proc/self/status", "\nThreads:", &t) == 0);
puts(t);
assert_se(streq(t, "1"));
r = get_status_field("/proc/meminfo", "MemTotal:", &p);
if (r != -ENOENT) {
assert_se(r == 0);
puts(p);
assert_se(safe_atollu(p, &total) == 0);
}
r = get_status_field("/proc/meminfo", "\nBuffers:", &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_status_field("/proc/meminfo", "\nSeccomp:", &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") < 0);
f = freopen(fn, "r+", f);
assert_se(f);
assert_se(write_string_stream(f, "boohoo") == 0);
rewind(f);
assert_se(fgets(buf, sizeof(buf), f));
assert_se(streq(buf, "boohoo\n"));
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") == 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_no_create("/a/file/which/does/not/exists/i/guess", "boohoo") < 0);
assert_se(write_string_file_no_create(fn, "boohoo") == 0);
assert_se(read(fd, buf, sizeof(buf)) == strlen("boohoo\n"));
assert_se(streq(buf, "boohoo\n"));
unlink(fn);
}
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"
);
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_load_env_file_pairs();
return 0;
}
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