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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "env-file.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "macro.h"
#include "strv.h"
#include "tests.h"
#include "tmpfile-util.h"
/* In case of repeating keys, later entries win. */
#define env_file_1 \
"a=a\n" \
"a=b\n" \
"a=b\n" \
"a=a\n" \
"b=b\\\n" \
"c\n" \
"d= d\\\n" \
"e \\\n" \
"f \n" \
"g=g\\ \n" \
"h= ąęół\\ śćńźżµ \n" \
"i=i\\"
#define env_file_2 \
"a=a\\\n"
#define env_file_3 \
"#SPAMD_ARGS=\"-d --socketpath=/var/lib/bulwark/spamd \\\n" \
"#--nouser-config \\\n" \
"normal=line \\\n" \
";normal=ignored \\\n" \
"normal_ignored \\\n" \
"normal ignored \\\n"
#define env_file_4 \
"# Generated\n" \
"\n" \
"HWMON_MODULES=\"coretemp f71882fg\"\n" \
"\n" \
"# For compatibility reasons\n" \
"\n" \
"MODULE_0=coretemp\n" \
"MODULE_1=f71882fg"
#define env_file_5 \
"a=\n" \
"b="
#define env_file_6 \
"a=\\ \\n \\t \\x \\y \\' \n" \
"b= \\$' \n" \
"c= ' \\n\\t\\$\\`\\\\\n" \
"' \n" \
"d= \" \\n\\t\\$\\`\\\\\n" \
"\" \n"
TEST(load_env_file_1) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_1) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(streq(data[0], "a=a"));
assert_se(streq(data[1], "b=bc"));
assert_se(streq(data[2], "d=de f"));
assert_se(streq(data[3], "g=g "));
assert_se(streq(data[4], "h=ąęół śćńźżµ"));
assert_se(streq(data[5], "i=i"));
assert_se(data[6] == NULL);
}
TEST(load_env_file_2) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_2) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(streq(data[0], "a=a"));
assert_se(data[1] == NULL);
}
TEST(load_env_file_3) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_3) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(data == NULL);
}
TEST(load_env_file_4) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_4) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(streq(data[0], "HWMON_MODULES=coretemp f71882fg"));
assert_se(streq(data[1], "MODULE_0=coretemp"));
assert_se(streq(data[2], "MODULE_1=f71882fg"));
assert_se(data[3] == NULL);
}
TEST(load_env_file_5) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_5) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(streq(data[0], "a="));
assert_se(streq(data[1], "b="));
assert_se(data[2] == NULL);
}
TEST(load_env_file_6) {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, env_file_6) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == 0);
assert_se(streq(data[0], "a= n t x y '"));
assert_se(streq(data[1], "b=$'"));
assert_se(streq(data[2], "c= \\n\\t\\$\\`\\\\\n"));
assert_se(streq(data[3], "d= \\n\\t$`\\\n"));
assert_se(data[4] == NULL);
}
TEST(load_env_file_invalid_utf8) {
/* Test out a couple of assignments where the key/value has an invalid
* UTF-8 character ("noncharacter")
*
* See: https://en.wikipedia.org/wiki/Universal_Character_Set_characters#Non-characters
*/
FOREACH_STRING(s,
"fo\ufffeo=bar",
"foo=b\uffffar",
"baz=hello world\ufffe") {
_cleanup_(unlink_tempfilep) char name[] = "/tmp/test-load-env-file.XXXXXX";
assert_se(write_tmpfile(name, s) == 0);
_cleanup_strv_free_ char **data = NULL;
assert_se(load_env_file(NULL, name, &data) == -EINVAL);
assert_se(!data);
}
}
TEST(write_and_load_env_file) {
/* Make sure that our writer, parser and the shell agree on what our env var files mean */
FOREACH_STRING(v,
"obbardc-laptop",
"obbardc\\-laptop",
"obbardc-lap\\top",
"obbardc-lap\\top",
"obbardc-lap\\\\top",
"double\"quote",
"single\'quote",
"dollar$dollar",
"newline\nnewline") {
_cleanup_(unlink_and_freep) char *p = NULL;
_cleanup_strv_free_ char **l = NULL;
_cleanup_free_ char *j = NULL, *w = NULL, *cmd = NULL, *from_shell = NULL;
_cleanup_pclose_ FILE *f = NULL;
size_t sz;
assert_se(tempfn_random_child(NULL, NULL, &p) >= 0);
assert_se(j = strjoin("TEST=", v));
assert_se(write_env_file(p, STRV_MAKE(j)) >= 0);
assert_se(cmd = strjoin(". ", p, " && /bin/echo -n \"$TEST\""));
assert_se(f = popen(cmd, "re"));
assert_se(read_full_stream(f, &from_shell, &sz) >= 0);
assert_se(sz == strlen(v));
assert_se(streq(from_shell, v));
assert_se(load_env_file(NULL, p, &l) >= 0);
assert_se(strv_equal(l, STRV_MAKE(j)));
assert_se(parse_env_file(NULL, p, "TEST", &w) >= 0);
assert_se(streq_ptr(w, v));
}
}
DEFINE_TEST_MAIN(LOG_INFO);
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