diff options
Diffstat (limited to 'src/basic/uid-alloc-range.h')
-rw-r--r-- | src/basic/uid-alloc-range.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/basic/uid-alloc-range.h b/src/basic/uid-alloc-range.h new file mode 100644 index 0000000..5badde1 --- /dev/null +++ b/src/basic/uid-alloc-range.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <stdbool.h> +#include <sys/types.h> + +bool uid_is_system(uid_t uid); +bool gid_is_system(gid_t gid); + +static inline bool uid_is_dynamic(uid_t uid) { + return DYNAMIC_UID_MIN <= uid && uid <= DYNAMIC_UID_MAX; +} + +static inline bool gid_is_dynamic(gid_t gid) { + return uid_is_dynamic((uid_t) gid); +} + +static inline bool uid_is_container(uid_t uid) { + return CONTAINER_UID_BASE_MIN <= uid && uid <= CONTAINER_UID_BASE_MAX; +} + +static inline bool gid_is_container(gid_t gid) { + return uid_is_container((uid_t) gid); +} + +typedef struct UGIDAllocationRange { + uid_t system_alloc_uid_min; + uid_t system_uid_max; + gid_t system_alloc_gid_min; + gid_t system_gid_max; +} UGIDAllocationRange; + +int read_login_defs(UGIDAllocationRange *ret_defs, const char *path, const char *root); +const UGIDAllocationRange *acquire_ugid_allocation_range(void); + +bool uid_for_system_journal(uid_t uid); |