-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
#include "env-util.h"
#include "fd-util.h"
#include "fileio.h"
+#include "io-util.h"
#include "parse-util.h"
#include "process-util.h"
#include "string-util.h"
char **i;
unsigned k;
- fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
+ fd = mkostemp_safe(p);
assert_se(fd >= 0);
close(fd);
- fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
+ fd = mkostemp_safe(t);
assert_se(fd >= 0);
f = fdopen(fd, "w");
"seven=\"sevenval\" #nocomment\n"
"eight=eightval #nocomment\n"
"export nine=nineval\n"
+ "ten=ignored\n"
+ "ten=ignored\n"
"ten=", f);
fflush(f);
_cleanup_strv_free_ char **a = NULL, **b = NULL;
char **i;
- fd = mkostemp_safe(p, O_RDWR|O_CLOEXEC);
+ fd = mkostemp_safe(p);
assert_se(fd >= 0);
close(fd);
- fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
+ fd = mkostemp_safe(t);
assert_se(fd >= 0);
f = fdopen(fd, "w");
unlink(p);
}
+static void test_merge_env_file(void) {
+ char t[] = "/tmp/test-fileio-XXXXXX";
+ int fd, r;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_strv_free_ char **a = NULL;
+ char **i;
+
+ fd = mkostemp_safe(t);
+ assert_se(fd >= 0);
+
+ log_info("/* %s (%s) */", __func__, t);
+
+ f = fdopen(fd, "w");
+ assert_se(f);
+
+ r = write_string_stream(f,
+ "one=1 \n"
+ "twelve=${one}2\n"
+ "twentyone=2${one}\n"
+ "one=2\n"
+ "twentytwo=2${one}\n"
+ "xxx_minus_three=$xxx - 3\n"
+ "xxx=0x$one$one$one\n"
+ "yyy=${one:-fallback}\n"
+ "zzz=${one:+replacement}\n"
+ "zzzz=${foobar:-${nothing}}\n"
+ "zzzzz=${nothing:+${nothing}}\n"
+ , WRITE_STRING_FILE_AVOID_NEWLINE);
+ assert(r >= 0);
+
+ r = merge_env_file(&a, NULL, t);
+ assert_se(r >= 0);
+ strv_sort(a);
+
+ STRV_FOREACH(i, a)
+ log_info("Got: <%s>", *i);
+
+ assert_se(streq(a[0], "one=2"));
+ assert_se(streq(a[1], "twelve=12"));
+ assert_se(streq(a[2], "twentyone=21"));
+ assert_se(streq(a[3], "twentytwo=22"));
+ assert_se(streq(a[4], "xxx=0x222"));
+ assert_se(streq(a[5], "xxx_minus_three= - 3"));
+ assert_se(streq(a[6], "yyy=2"));
+ assert_se(streq(a[7], "zzz=replacement"));
+ assert_se(streq(a[8], "zzzz="));
+ assert_se(streq(a[9], "zzzzz="));
+ assert_se(a[10] == NULL);
+
+ r = merge_env_file(&a, NULL, t);
+ assert_se(r >= 0);
+ strv_sort(a);
+
+ STRV_FOREACH(i, a)
+ log_info("Got2: <%s>", *i);
+
+ assert_se(streq(a[0], "one=2"));
+ assert_se(streq(a[1], "twelve=12"));
+ assert_se(streq(a[2], "twentyone=21"));
+ assert_se(streq(a[3], "twentytwo=22"));
+ assert_se(streq(a[4], "xxx=0x222"));
+ assert_se(streq(a[5], "xxx_minus_three=0x222 - 3"));
+ assert_se(streq(a[6], "yyy=2"));
+ assert_se(streq(a[7], "zzz=replacement"));
+ assert_se(streq(a[8], "zzzz="));
+ assert_se(streq(a[9], "zzzzz="));
+ assert_se(a[10] == NULL);
+}
+
+static void test_merge_env_file_invalid(void) {
+ char t[] = "/tmp/test-fileio-XXXXXX";
+ int fd, r;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_strv_free_ char **a = NULL;
+ char **i;
+
+ fd = mkostemp_safe(t);
+ assert_se(fd >= 0);
+
+ log_info("/* %s (%s) */", __func__, t);
+
+ f = fdopen(fd, "w");
+ assert_se(f);
+
+ r = write_string_stream(f,
+ "unset one \n"
+ "unset one= \n"
+ "unset one=1 \n"
+ "one \n"
+ "one = \n"
+ "one two =\n"
+ "\x20two=\n"
+ "#comment=comment\n"
+ ";comment2=comment2\n"
+ "#\n"
+ "\n\n" /* empty line */
+ , WRITE_STRING_FILE_AVOID_NEWLINE);
+ assert(r >= 0);
+
+ r = merge_env_file(&a, NULL, t);
+ assert_se(r >= 0);
+
+ STRV_FOREACH(i, a)
+ log_info("Got: <%s>", *i);
+
+ assert_se(strv_isempty(a));
+}
static void test_executable_is_script(void) {
char t[] = "/tmp/test-executable-XXXXXX";
FILE *f;
char *command;
- fd = mkostemp_safe(t, O_RDWR|O_CLOEXEC);
+ fd = mkostemp_safe(t);
assert_se(fd >= 0);
f = fdopen(fd, "w");
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);
assert_se(*capeff);
- p = capeff[strspn(capeff, DIGITS "abcdefABCDEF")];
+ p = capeff[strspn(capeff, HEXDIGITS)];
assert_se(!p || isspace(p));
}
}
int fd;
char buf[64];
- fd = mkostemp_safe(fn, O_RDWR);
+ fd = mkostemp_safe(fn);
assert_se(fd >= 0);
f = fdopen(fd, "r");
assert_se(f);
- assert_se(write_string_stream(f, "boohoo", true) < 0);
+ assert_se(write_string_stream(f, "boohoo", 0) < 0);
f = freopen(fn, "r+", f);
assert_se(f);
- assert_se(write_string_stream(f, "boohoo", true) == 0);
+ assert_se(write_string_stream(f, "boohoo", 0) == 0);
rewind(f);
assert_se(fgets(buf, sizeof(buf), f));
f = freopen(fn, "w+", f);
assert_se(f);
- assert_se(write_string_stream(f, "boohoo", false) == 0);
+ assert_se(write_string_stream(f, "boohoo", WRITE_STRING_FILE_AVOID_NEWLINE) == 0);
rewind(f);
assert_se(fgets(buf, sizeof(buf), f));
char buf[64] = {};
_cleanup_close_ int fd;
- fd = mkostemp_safe(fn, O_RDWR);
+ fd = mkostemp_safe(fn);
assert_se(fd >= 0);
assert_se(write_string_file(fn, "boohoo", WRITE_STRING_FILE_CREATE) == 0);
_cleanup_close_ int fd;
char buf[64] = {0};
- fd = mkostemp_safe(fn, O_RDWR);
+ fd = mkostemp_safe(fn);
assert_se(fd >= 0);
assert_se(write_string_file("/a/file/which/does/not/exists/i/guess", "boohoo", 0) < 0);
int r;
assert_se(read_one_line_file("/proc/cmdline", &buf) >= 0);
- assert_se((buf2 = strjoin(buf, "\n", NULL)));
+ 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);
}
_cleanup_strv_free_ char **l = NULL;
char **k, **v;
- fd = mkostemp_safe(fn, O_RDWR);
+ fd = mkostemp_safe(fn);
assert_se(fd >= 0);
r = write_string_file(fn,
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;
+ FILE *f;
+
+ fd = mkostemp_safe(name);
+ assert_se(fd >= 0);
+ close(fd);
+
+ r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen(name, "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen(basename(name), "r", "/", dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+ r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+
+ r = unlink(name);
+ assert_se(r == 0);
+
+ r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+ 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;
+ FILE *f;
+
+ fd = mkostemp_safe(name);
+ assert_se(fd >= 0);
+ close(fd);
+
+ r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+ r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+
+ r = unlink(name);
+ assert_se(r == 0);
+
+ r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+ assert_se(r < 0);
+}
+
+static void test_writing_tmpfile(void) {
+ char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
+ _cleanup_free_ char *contents = NULL;
+ size_t size;
+ int fd, r;
+ struct iovec iov[3];
+
+ 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);
+
+ r = writev(fd, iov, 3);
+ assert_se(r >= 0);
+
+ r = read_full_file(name, &contents, &size);
+ assert_se(r == 0);
+ printf("contents: %s", contents);
+ assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
+
+ unlink(name);
+}
+
+static void test_tempfn(void) {
+ char *ret = NULL, *p;
+
+ assert_se(tempfn_xxxxxx("/foo/bar/waldo", NULL, &ret) >= 0);
+ assert_se(streq_ptr(ret, "/foo/bar/.#waldoXXXXXX"));
+ free(ret);
+
+ assert_se(tempfn_xxxxxx("/foo/bar/waldo", "[miau]", &ret) >= 0);
+ assert_se(streq_ptr(ret, "/foo/bar/.#[miau]waldoXXXXXX"));
+ free(ret);
+
+ assert_se(tempfn_random("/foo/bar/waldo", NULL, &ret) >= 0);
+ assert_se(p = startswith(ret, "/foo/bar/.#waldo"));
+ assert_se(strlen(p) == 16);
+ assert_se(in_charset(p, "0123456789abcdef"));
+ free(ret);
+
+ assert_se(tempfn_random("/foo/bar/waldo", "[wuff]", &ret) >= 0);
+ assert_se(p = startswith(ret, "/foo/bar/.#[wuff]waldo"));
+ assert_se(strlen(p) == 16);
+ assert_se(in_charset(p, "0123456789abcdef"));
+ free(ret);
+
+ assert_se(tempfn_random_child("/foo/bar/waldo", NULL, &ret) >= 0);
+ assert_se(p = startswith(ret, "/foo/bar/waldo/.#"));
+ assert_se(strlen(p) == 16);
+ assert_se(in_charset(p, "0123456789abcdef"));
+ free(ret);
+
+ assert_se(tempfn_random_child("/foo/bar/waldo", "[kikiriki]", &ret) >= 0);
+ assert_se(p = startswith(ret, "/foo/bar/waldo/.#[kikiriki]"));
+ assert_se(strlen(p) == 16);
+ assert_se(in_charset(p, "0123456789abcdef"));
+ 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) {
+ 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();
log_open();
test_parse_env_file();
test_parse_multiline_env_file();
+ test_merge_env_file();
+ test_merge_env_file_invalid();
test_executable_is_script();
test_status_field();
test_capeff();
test_write_string_file_no_create();
test_write_string_file_verify();
test_load_env_file_pairs();
+ test_search_and_fopen();
+ 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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