From efeb864cb547a2cbf96dc0053a8bdb4d9190b364 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 05:50:45 +0200 Subject: Merging upstream version 256. Signed-off-by: Daniel Baumann --- src/nsresourced/userns-registry.h | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/nsresourced/userns-registry.h (limited to 'src/nsresourced/userns-registry.h') diff --git a/src/nsresourced/userns-registry.h b/src/nsresourced/userns-registry.h new file mode 100644 index 0000000..9e66a6f --- /dev/null +++ b/src/nsresourced/userns-registry.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#define USER_NAMESPACE_CGROUPS_DELEGATE_MAX 16 + +typedef struct UserNamespaceInfo { + uid_t owner; + char *name; + uint64_t userns_inode; + uid_t start; + uint32_t size; + uid_t target; + uint64_t *cgroups; + size_t n_cgroups; +} UserNamespaceInfo; + +UserNamespaceInfo* userns_info_new(void); +UserNamespaceInfo* userns_info_free(UserNamespaceInfo *userns); + +DEFINE_TRIVIAL_CLEANUP_FUNC(UserNamespaceInfo*, userns_info_free); + +bool userns_info_has_cgroup(UserNamespaceInfo *userns, uint64_t cgroup_id); +int userns_info_add_cgroup(UserNamespaceInfo *userns, uint64_t cgroup_id); +int userns_info_remove_cgroups(UserNamespaceInfo *userns); + +bool userns_name_is_valid(const char *name); + +int userns_registry_open_fd(void); +int userns_registry_lock(int dir_fd); + +int userns_registry_load_by_start_uid(int dir_fd, uid_t start, UserNamespaceInfo **ret); +int userns_registry_load_by_userns_inode(int dir_fd, uint64_t userns, UserNamespaceInfo **ret); +int userns_registry_load_by_name(int dir_fd, const char *name, UserNamespaceInfo **ret); + +int userns_registry_store(int dir_fd, UserNamespaceInfo *info); +int userns_registry_remove(int dir_fd, UserNamespaceInfo *info); + +int userns_registry_inode_exists(int dir_fd, uint64_t inode); +int userns_registry_name_exists(int dir_fd, const char *name); +int userns_registry_uid_exists(int dir_fd, uid_t start); + +int userns_registry_per_uid(int dir_fd, uid_t owner); -- cgit v1.2.3