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-rw-r--r--src/test/test-user-util.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/test/test-user-util.c b/src/test/test-user-util.c
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--- /dev/null
+++ b/src/test/test-user-util.c
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "alloc-util.h"
+#include "log.h"
+#include "macro.h"
+#include "string-util.h"
+#include "user-util.h"
+#include "util.h"
+#include "path-util.h"
+
+static void test_uid_to_name_one(uid_t uid, const char *name) {
+ _cleanup_free_ char *t = NULL;
+
+ log_info("/* %s("UID_FMT", \"%s\") */", __func__, uid, name);
+
+ assert_se(t = uid_to_name(uid));
+ if (!synthesize_nobody() && streq(name, NOBODY_USER_NAME)) {
+ log_info("(skipping detailed tests because nobody is not synthesized)");
+ return;
+ }
+ assert_se(streq_ptr(t, name));
+}
+
+static void test_gid_to_name_one(gid_t gid, const char *name) {
+ _cleanup_free_ char *t = NULL;
+
+ log_info("/* %s("GID_FMT", \"%s\") */", __func__, gid, name);
+
+ assert_se(t = gid_to_name(gid));
+ if (!synthesize_nobody() && streq(name, NOBODY_GROUP_NAME)) {
+ log_info("(skipping detailed tests because nobody is not synthesized)");
+ return;
+ }
+ assert_se(streq_ptr(t, name));
+}
+
+static void test_parse_uid(void) {
+ int r;
+ uid_t uid;
+
+ log_info("/* %s */", __func__);
+
+ r = parse_uid("100", &uid);
+ assert_se(r == 0);
+ assert_se(uid == 100);
+
+ r = parse_uid("65535", &uid);
+ assert_se(r == -ENXIO);
+
+ r = parse_uid("asdsdas", &uid);
+ assert_se(r == -EINVAL);
+}
+
+static void test_uid_ptr(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(UID_TO_PTR(0) != NULL);
+ assert_se(UID_TO_PTR(1000) != NULL);
+
+ assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
+ assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
+}
+
+static void test_valid_user_group_name(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(!valid_user_group_name(NULL));
+ assert_se(!valid_user_group_name(""));
+ assert_se(!valid_user_group_name("1"));
+ assert_se(!valid_user_group_name("65535"));
+ assert_se(!valid_user_group_name("-1"));
+ assert_se(!valid_user_group_name("-kkk"));
+ assert_se(!valid_user_group_name("rööt"));
+ assert_se(!valid_user_group_name("."));
+ assert_se(!valid_user_group_name("eff.eff"));
+ assert_se(!valid_user_group_name("foo\nbar"));
+ assert_se(!valid_user_group_name("0123456789012345678901234567890123456789"));
+ assert_se(!valid_user_group_name_or_id("aaa:bbb"));
+
+ assert_se(valid_user_group_name("root"));
+ assert_se(valid_user_group_name("lennart"));
+ assert_se(valid_user_group_name("LENNART"));
+ assert_se(valid_user_group_name("_kkk"));
+ assert_se(valid_user_group_name("kkk-"));
+ assert_se(valid_user_group_name("kk-k"));
+
+ assert_se(valid_user_group_name("some5"));
+ assert_se(!valid_user_group_name("5some"));
+ assert_se(valid_user_group_name("INNER5NUMBER"));
+}
+
+static void test_valid_user_group_name_or_id(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(!valid_user_group_name_or_id(NULL));
+ assert_se(!valid_user_group_name_or_id(""));
+ assert_se(valid_user_group_name_or_id("0"));
+ assert_se(valid_user_group_name_or_id("1"));
+ assert_se(valid_user_group_name_or_id("65534"));
+ assert_se(!valid_user_group_name_or_id("65535"));
+ assert_se(valid_user_group_name_or_id("65536"));
+ assert_se(!valid_user_group_name_or_id("-1"));
+ assert_se(!valid_user_group_name_or_id("-kkk"));
+ assert_se(!valid_user_group_name_or_id("rööt"));
+ assert_se(!valid_user_group_name_or_id("."));
+ assert_se(!valid_user_group_name_or_id("eff.eff"));
+ assert_se(!valid_user_group_name_or_id("foo\nbar"));
+ assert_se(!valid_user_group_name_or_id("0123456789012345678901234567890123456789"));
+ assert_se(!valid_user_group_name_or_id("aaa:bbb"));
+
+ assert_se(valid_user_group_name_or_id("root"));
+ assert_se(valid_user_group_name_or_id("lennart"));
+ assert_se(valid_user_group_name_or_id("LENNART"));
+ assert_se(valid_user_group_name_or_id("_kkk"));
+ assert_se(valid_user_group_name_or_id("kkk-"));
+ assert_se(valid_user_group_name_or_id("kk-k"));
+
+ assert_se(valid_user_group_name_or_id("some5"));
+ assert_se(!valid_user_group_name_or_id("5some"));
+ assert_se(valid_user_group_name_or_id("INNER5NUMBER"));
+}
+
+static void test_valid_gecos(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(!valid_gecos(NULL));
+ assert_se(valid_gecos(""));
+ assert_se(valid_gecos("test"));
+ assert_se(valid_gecos("Ümläüt"));
+ assert_se(!valid_gecos("In\nvalid"));
+ assert_se(!valid_gecos("In:valid"));
+}
+
+static void test_valid_home(void) {
+ log_info("/* %s */", __func__);
+
+ assert_se(!valid_home(NULL));
+ assert_se(!valid_home(""));
+ assert_se(!valid_home("."));
+ assert_se(!valid_home("/home/.."));
+ assert_se(!valid_home("/home/../"));
+ assert_se(!valid_home("/home\n/foo"));
+ assert_se(!valid_home("./piep"));
+ assert_se(!valid_home("piep"));
+ assert_se(!valid_home("/home/user:lennart"));
+
+ assert_se(valid_home("/"));
+ assert_se(valid_home("/home"));
+ assert_se(valid_home("/home/foo"));
+}
+
+static void test_get_user_creds_one(const char *id, const char *name, uid_t uid, gid_t gid, const char *home, const char *shell) {
+ const char *rhome = NULL;
+ const char *rshell = NULL;
+ uid_t ruid = UID_INVALID;
+ gid_t rgid = GID_INVALID;
+ int r;
+
+ log_info("/* %s(\"%s\", \"%s\", "UID_FMT", "GID_FMT", \"%s\", \"%s\") */",
+ __func__, id, name, uid, gid, home, shell);
+
+ r = get_user_creds(&id, &ruid, &rgid, &rhome, &rshell, 0);
+ log_info_errno(r, "got \"%s\", "UID_FMT", "GID_FMT", \"%s\", \"%s\": %m",
+ id, ruid, rgid, strnull(rhome), strnull(rshell));
+ if (!synthesize_nobody() && streq(name, NOBODY_USER_NAME)) {
+ log_info("(skipping detailed tests because nobody is not synthesized)");
+ return;
+ }
+ assert_se(r == 0);
+ assert_se(streq_ptr(id, name));
+ assert_se(ruid == uid);
+ assert_se(rgid == gid);
+ assert_se(path_equal(rhome, home));
+ assert_se(path_equal(rshell, shell));
+}
+
+static void test_get_group_creds_one(const char *id, const char *name, gid_t gid) {
+ gid_t rgid = GID_INVALID;
+ int r;
+
+ log_info("/* %s(\"%s\", \"%s\", "GID_FMT") */", __func__, id, name, gid);
+
+ r = get_group_creds(&id, &rgid, 0);
+ log_info_errno(r, "got \"%s\", "GID_FMT": %m", id, rgid);
+ if (!synthesize_nobody() && streq(name, NOBODY_GROUP_NAME)) {
+ log_info("(skipping detailed tests because nobody is not synthesized)");
+ return;
+ }
+ assert_se(r == 0);
+ assert_se(streq_ptr(id, name));
+ assert_se(rgid == gid);
+}
+
+int main(int argc, char *argv[]) {
+ test_uid_to_name_one(0, "root");
+ test_uid_to_name_one(UID_NOBODY, NOBODY_USER_NAME);
+ test_uid_to_name_one(0xFFFF, "65535");
+ test_uid_to_name_one(0xFFFFFFFF, "4294967295");
+
+ test_gid_to_name_one(0, "root");
+ test_gid_to_name_one(GID_NOBODY, NOBODY_GROUP_NAME);
+ test_gid_to_name_one(TTY_GID, "tty");
+ test_gid_to_name_one(0xFFFF, "65535");
+ test_gid_to_name_one(0xFFFFFFFF, "4294967295");
+
+ test_get_user_creds_one("root", "root", 0, 0, "/root", "/bin/sh");
+ test_get_user_creds_one("0", "root", 0, 0, "/root", "/bin/sh");
+ test_get_user_creds_one(NOBODY_USER_NAME, NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", "/sbin/nologin");
+ test_get_user_creds_one("65534", NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", "/sbin/nologin");
+
+ test_get_group_creds_one("root", "root", 0);
+ test_get_group_creds_one("0", "root", 0);
+ test_get_group_creds_one(NOBODY_GROUP_NAME, NOBODY_GROUP_NAME, GID_NOBODY);
+ test_get_group_creds_one("65534", NOBODY_GROUP_NAME, GID_NOBODY);
+
+ test_parse_uid();
+ test_uid_ptr();
+
+ test_valid_user_group_name();
+ test_valid_user_group_name_or_id();
+ test_valid_gecos();
+ test_valid_home();
+
+ return 0;
+}
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