+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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 <fcntl.h>
#include "env-util.h"
#include "fd-util.h"
#include "fileio.h"
+#include "fs-util.h"
#include "io-util.h"
#include "parse-util.h"
#include "process-util.h"
#include "util.h"
static void test_parse_env_file(void) {
- char t[] = "/tmp/test-fileio-in-XXXXXX",
+ _cleanup_(unlink_tempfilep) char
+ t[] = "/tmp/test-fileio-in-XXXXXX",
p[] = "/tmp/test-fileio-out-XXXXXX";
int fd, r;
FILE *f;
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",
+ _cleanup_(unlink_tempfilep) char
+ t[] = "/tmp/test-fileio-in-XXXXXX",
p[] = "/tmp/test-fileio-out-XXXXXX";
int fd, r;
FILE *f;
r = load_env_file(NULL, p, NULL, &b);
assert_se(r >= 0);
-
- unlink(t);
- unlink(p);
}
static void test_merge_env_file(void) {
- char t[] = "/tmp/test-fileio-XXXXXX";
+ _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX";
int fd, r;
- FILE *f;
+ _cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **a = NULL;
char **i;
}
static void test_merge_env_file_invalid(void) {
- char t[] = "/tmp/test-fileio-XXXXXX";
+ _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX";
int fd, r;
- FILE *f;
+ _cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **a = NULL;
char **i;
}
static void test_executable_is_script(void) {
- char t[] = "/tmp/test-executable-XXXXXX";
+ _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX";
int fd, r;
- FILE *f;
+ _cleanup_fclose_ FILE *f = NULL;
char *command;
fd = mkostemp_safe(t);
assert_se(startswith(command, "/"));
free(command);
}
-
- fclose(f);
- unlink(t);
}
static void test_status_field(void) {
r = get_process_capeff(0, &capeff);
log_info("capeff: '%s' (r=%d)", capeff, r);
- if (r == -ENOENT || r == -EPERM)
+ if (IN_SET(r, -ENOENT, -EPERM))
return;
assert_se(r == 0);
}
static void test_write_string_stream(void) {
- char fn[] = "/tmp/test-write_string_stream-XXXXXX";
+ _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_stream-XXXXXX";
_cleanup_fclose_ FILE *f = NULL;
int fd;
char buf[64];
f = fdopen(fd, "r");
assert_se(f);
assert_se(write_string_stream(f, "boohoo", 0) < 0);
+ f = safe_fclose(f);
- f = freopen(fn, "r+", f);
+ f = fopen(fn, "r+");
assert_se(f);
assert_se(write_string_stream(f, "boohoo", 0) == 0);
assert_se(fgets(buf, sizeof(buf), f));
assert_se(streq(buf, "boohoo\n"));
+ f = safe_fclose(f);
- f = freopen(fn, "w+", f);
+ f = fopen(fn, "w+");
assert_se(f);
assert_se(write_string_stream(f, "boohoo", WRITE_STRING_FILE_AVOID_NEWLINE) == 0);
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";
+ _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_file-XXXXXX";
char buf[64] = {};
_cleanup_close_ int fd;
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_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_file_no_create-XXXXXX";
_cleanup_close_ int fd;
char buf[64] = {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(read(fd, buf, sizeof(buf)) == STRLEN("boohoo\n"));
assert_se(streq(buf, "boohoo\n"));
-
- unlink(fn);
}
static void test_write_string_file_verify(void) {
int r;
assert_se(read_one_line_file("/proc/cmdline", &buf) >= 0);
- assert_se((buf2 = strjoin(buf, "\n")));
+ assert_se(buf2 = strjoin(buf, "\n"));
r = write_string_file("/proc/cmdline", buf, 0);
- assert_se(r == -EACCES || r == -EIO);
+ assert_se(IN_SET(r, -EACCES, -EIO));
r = write_string_file("/proc/cmdline", buf2, 0);
- assert_se(r == -EACCES || r == -EIO);
+ assert_se(IN_SET(r, -EACCES, -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(IN_SET(r, -EACCES, -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_(unlink_tempfilep) char fn[] = "/tmp/test-load_env_file_pairs-XXXXXX";
+ int fd, r;
_cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **l = NULL;
char **k, **v;
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);
}
static void test_search_and_fopen(void) {
const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL};
+
char name[] = "/tmp/test-search_and_fopen.XXXXXX";
- int fd = -1;
- int r;
+ int fd, r;
FILE *f;
fd = mkostemp_safe(name);
assert_se(r < 0);
}
-
static void test_search_and_fopen_nulstr(void) {
const char dirs[] = "/tmp/foo/bar\0/tmp\0";
- char name[] = "/tmp/test-search_and_fopen.XXXXXX";
- int fd = -1;
- int r;
+
+ _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-search_and_fopen.XXXXXX";
+ int fd, r;
FILE *f;
fd = mkostemp_safe(name);
}
static void test_writing_tmpfile(void) {
- char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
+ _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
_cleanup_free_ char *contents = NULL;
size_t size;
- int fd, r;
+ _cleanup_close_ int fd = -1;
struct iovec iov[3];
+ int r;
- IOVEC_SET_STRING(iov[0], "abc\n");
- IOVEC_SET_STRING(iov[1], ALPHANUMERICAL "\n");
- IOVEC_SET_STRING(iov[2], "");
+ iov[0] = IOVEC_MAKE_STRING("abc\n");
+ iov[1] = IOVEC_MAKE_STRING(ALPHANUMERICAL "\n");
+ iov[2] = IOVEC_MAKE_STRING("");
fd = mkostemp_safe(name);
printf("tmpfile: %s", name);
assert_se(r == 0);
printf("contents: %s", contents);
assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
-
- unlink(name);
}
static void test_tempfn(void) {
free(ret);
}
+static const char buffer[] =
+ "Some test data\n"
+ "With newlines, and a NUL byte\0"
+ "\n"
+ "an empty line\n"
+ "an ignored line\n"
+ "and a very long line that is supposed to be truncated, because it is so long\n";
+
+static void test_read_line_one_file(FILE *f) {
+ _cleanup_free_ char *line = NULL;
+
+ assert_se(read_line(f, (size_t) -1, &line) == 15 && streq(line, "Some test data"));
+ line = mfree(line);
+
+ assert_se(read_line(f, 1024, &line) == 30 && streq(line, "With newlines, and a NUL byte"));
+ line = mfree(line);
+
+ assert_se(read_line(f, 1024, &line) == 1 && streq(line, ""));
+ line = mfree(line);
+
+ assert_se(read_line(f, 1024, &line) == 14 && streq(line, "an empty line"));
+ line = mfree(line);
+
+ assert_se(read_line(f, (size_t) -1, NULL) == 16);
+
+ assert_se(read_line(f, 16, &line) == -ENOBUFS);
+ line = mfree(line);
+
+ /* read_line() stopped when it hit the limit, that means when we continue reading we'll read at the first
+ * character after the previous limit. Let's make use of tha to continue our test. */
+ assert_se(read_line(f, 1024, &line) == 61 && streq(line, "line that is supposed to be truncated, because it is so long"));
+ line = mfree(line);
+
+ assert_se(read_line(f, 1024, &line) == 1 && streq(line, ""));
+ line = mfree(line);
+
+ assert_se(read_line(f, 1024, &line) == 0 && streq(line, ""));
+}
+
+static void test_read_line(void) {
+ _cleanup_fclose_ FILE *f = NULL;
+
+ f = fmemopen((void*) buffer, sizeof(buffer), "re");
+ assert_se(f);
+
+ test_read_line_one_file(f);
+}
+
+static void test_read_line2(void) {
+ _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-fileio.XXXXXX";
+ int fd;
+ _cleanup_fclose_ FILE *f = NULL;
+
+ fd = mkostemp_safe(name);
+ assert_se(fd >= 0);
+ assert_se((size_t) write(fd, buffer, sizeof(buffer)) == sizeof(buffer));
+
+ assert_se(lseek(fd, 0, SEEK_SET) == 0);
+ assert_se(f = fdopen(fd, "r"));
+
+ test_read_line_one_file(f);
+}
+
+static void test_read_line3(void) {
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_free_ char *line = NULL;
+ int r;
+
+ f = fopen("/proc/cmdline", "re");
+ if (!f && IN_SET(errno, ENOENT, EPERM))
+ return;
+ assert_se(f);
+
+ r = read_line(f, LINE_MAX, &line);
+ assert_se((size_t) r == strlen(line) + 1);
+ assert_se(read_line(f, LINE_MAX, NULL) == 0);
+}
+
int main(int argc, char *argv[]) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
test_search_and_fopen_nulstr();
test_writing_tmpfile();
test_tempfn();
+ test_read_line();
+ test_read_line2();
+ test_read_line3();
return 0;
}
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