/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-***/
-
#include <grp.h>
+#if ENABLE_GSHADOW
#include <gshadow.h>
+#endif
#include <pwd.h>
#include <shadow.h>
#include <stdbool.h>
char* getlogname_malloc(void);
char* getusername_malloc(void);
-int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
-int get_user_creds_clean(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
-int get_group_creds(const char **groupname, gid_t *gid);
+typedef enum UserCredsFlags {
+ USER_CREDS_PREFER_NSS = 1 << 0, /* if set, only synthesize user records if database lacks them. Normally we bypass the userdb entirely for the records we can synthesize */
+ USER_CREDS_ALLOW_MISSING = 1 << 1, /* if a numeric UID string is resolved, be OK if there's no record for it */
+ USER_CREDS_CLEAN = 1 << 2, /* try to clean up shell and home fields with invalid data */
+} UserCredsFlags;
+
+int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell, UserCredsFlags flags);
+int get_group_creds(const char **groupname, gid_t *gid, UserCredsFlags flags);
char* uid_to_name(uid_t uid);
char* gid_to_name(gid_t gid);
return access("/proc/self/uid_map", F_OK) >= 0;
}
-bool valid_user_group_name(const char *u);
-bool valid_user_group_name_or_id(const char *u);
+bool valid_user_group_name_full(const char *u, bool strict);
+bool valid_user_group_name_or_id_full(const char *u, bool strict);
+static inline bool valid_user_group_name(const char *u) {
+ return valid_user_group_name_full(u, true);
+}
+static inline bool valid_user_group_name_or_id(const char *u) {
+ return valid_user_group_name_or_id_full(u, true);
+}
+static inline bool valid_user_group_name_compat(const char *u) {
+ return valid_user_group_name_full(u, false);
+}
+static inline bool valid_user_group_name_or_id_compat(const char *u) {
+ return valid_user_group_name_or_id_full(u, false);
+}
bool valid_gecos(const char *d);
bool valid_home(const char *p);
int putpwent_sane(const struct passwd *pw, FILE *stream);
int putspent_sane(const struct spwd *sp, FILE *stream);
int putgrent_sane(const struct group *gr, FILE *stream);
-#ifdef ENABLE_GSHADOW
+#if ENABLE_GSHADOW
int fgetsgent_sane(FILE *stream, struct sgrp **sg);
int putsgent_sane(const struct sgrp *sg, FILE *stream);
#endif
+
+int make_salt(char **ret);