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Searched refs:user_ns (Results 1 – 25 of 185) sorted by relevance

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/Linux-v6.1/fs/ksmbd/
Dvfs.h74 int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent,
76 int ksmbd_vfs_may_delete(struct user_namespace *user_ns, struct dentry *dentry);
77 int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns,
105 ssize_t ksmbd_vfs_getxattr(struct user_namespace *user_ns,
109 ssize_t ksmbd_vfs_casexattr_len(struct user_namespace *user_ns,
112 int ksmbd_vfs_setxattr(struct user_namespace *user_ns,
117 int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns,
134 int ksmbd_vfs_unlink(struct user_namespace *user_ns,
138 struct user_namespace *user_ns,
144 int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns,
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Dvfs.c72 int ksmbd_vfs_lock_parent(struct user_namespace *user_ns, struct dentry *parent, in ksmbd_vfs_lock_parent() argument
79 dentry = lookup_one(user_ns, child->d_name.name, parent, in ksmbd_vfs_lock_parent()
99 int ksmbd_vfs_may_delete(struct user_namespace *user_ns, in ksmbd_vfs_may_delete() argument
106 ret = ksmbd_vfs_lock_parent(user_ns, parent, dentry); in ksmbd_vfs_may_delete()
112 ret = inode_permission(user_ns, d_inode(parent), in ksmbd_vfs_may_delete()
120 int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, in ksmbd_vfs_query_maximal_access() argument
128 if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_WRITE)) in ksmbd_vfs_query_maximal_access()
134 if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_READ)) in ksmbd_vfs_query_maximal_access()
137 if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_EXEC)) in ksmbd_vfs_query_maximal_access()
141 ret = ksmbd_vfs_lock_parent(user_ns, parent, dentry); in ksmbd_vfs_query_maximal_access()
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Dsmbacl.c257 static int sid_to_id(struct user_namespace *user_ns, in sid_to_id() argument
279 uid = from_vfsuid(user_ns, &init_user_ns, VFSUIDT_INIT(uid)); in sid_to_id()
290 gid = from_vfsgid(user_ns, &init_user_ns, VFSGIDT_INIT(gid)); in sid_to_id()
365 static void parse_dacl(struct user_namespace *user_ns, in parse_dacl() argument
492 ret = sid_to_id(user_ns, &ppace[i]->sid, SIDOWNER, &temp_fattr); in parse_dacl()
578 static void set_posix_acl_entries_dacl(struct user_namespace *user_ns, in set_posix_acl_entries_dacl() argument
603 uid = posix_acl_uid_translate(user_ns, pace); in set_posix_acl_entries_dacl()
610 gid = posix_acl_gid_translate(user_ns, pace); in set_posix_acl_entries_dacl()
669 uid = posix_acl_uid_translate(user_ns, pace); in set_posix_acl_entries_dacl()
674 gid = posix_acl_gid_translate(user_ns, pace); in set_posix_acl_entries_dacl()
[all …]
/Linux-v6.1/kernel/
Dutsname.c45 static struct uts_namespace *clone_uts_ns(struct user_namespace *user_ns, in clone_uts_ns() argument
53 ucounts = inc_uts_namespaces(user_ns); in clone_uts_ns()
71 ns->user_ns = get_user_ns(user_ns); in clone_uts_ns()
90 struct user_namespace *user_ns, struct uts_namespace *old_ns) in copy_utsname() argument
100 new_ns = clone_uts_ns(user_ns, old_ns); in copy_utsname()
109 put_user_ns(ns->user_ns); in free_uts_ns()
145 if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) || in utsns_install()
146 !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN)) in utsns_install()
157 return to_uts_ns(ns)->user_ns; in utsns_owner()
Dnsproxy.c68 struct task_struct *tsk, struct user_namespace *user_ns, in create_new_namespaces() argument
78 new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, user_ns, new_fs); in create_new_namespaces()
84 new_nsp->uts_ns = copy_utsname(flags, user_ns, tsk->nsproxy->uts_ns); in create_new_namespaces()
90 new_nsp->ipc_ns = copy_ipcs(flags, user_ns, tsk->nsproxy->ipc_ns); in create_new_namespaces()
97 copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns_for_children); in create_new_namespaces()
103 new_nsp->cgroup_ns = copy_cgroup_ns(flags, user_ns, in create_new_namespaces()
110 new_nsp->net_ns = copy_net_ns(flags, user_ns, tsk->nsproxy->net_ns); in create_new_namespaces()
116 new_nsp->time_ns_for_children = copy_time_ns(flags, user_ns, in create_new_namespaces()
154 struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns); in copy_namespaces() local
164 } else if (!ns_capable(user_ns, CAP_SYS_ADMIN)) in copy_namespaces()
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Dpid_namespace.c71 static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns, in create_pid_namespace() argument
80 if (!in_userns(parent_pid_ns->user_ns, user_ns)) in create_pid_namespace()
86 ucounts = inc_pid_namespaces(user_ns); in create_pid_namespace()
109 ns->user_ns = get_user_ns(user_ns); in create_pid_namespace()
129 put_user_ns(ns->user_ns); in delayed_free_pidns()
143 struct user_namespace *user_ns, struct pid_namespace *old_ns) in copy_pid_ns() argument
149 return create_pid_namespace(user_ns, old_ns); in copy_pid_ns()
266 if (write && !checkpoint_restore_ns_capable(pid_ns->user_ns)) in pid_ns_ctl_handler()
381 if (!ns_capable(new->user_ns, CAP_SYS_ADMIN) || in pidns_install()
382 !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN)) in pidns_install()
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Duid16.c70 ruid = high2lowuid(from_kuid_munged(cred->user_ns, cred->uid)); in SYSCALL_DEFINE3()
71 euid = high2lowuid(from_kuid_munged(cred->user_ns, cred->euid)); in SYSCALL_DEFINE3()
72 suid = high2lowuid(from_kuid_munged(cred->user_ns, cred->suid)); in SYSCALL_DEFINE3()
93 rgid = high2lowgid(from_kgid_munged(cred->user_ns, cred->gid)); in SYSCALL_DEFINE3()
94 egid = high2lowgid(from_kgid_munged(cred->user_ns, cred->egid)); in SYSCALL_DEFINE3()
95 sgid = high2lowgid(from_kgid_munged(cred->user_ns, cred->sgid)); in SYSCALL_DEFINE3()
117 struct user_namespace *user_ns = current_user_ns(); in groups16_to_user() local
124 group = high2lowgid(from_kgid_munged(user_ns, kgid)); in groups16_to_user()
135 struct user_namespace *user_ns = current_user_ns(); in groups16_from_user() local
144 kgid = make_kgid(user_ns, low2highgid(group)); in groups16_from_user()
Dgroups.c40 struct user_namespace *user_ns = current_user_ns(); in groups_to_user() local
46 gid = from_kgid_munged(user_ns, group_info->gid[i]); in groups_to_user()
57 struct user_namespace *user_ns = current_user_ns(); in groups_from_user() local
67 kgid = make_kgid(user_ns, gid); in groups_from_user()
187 struct user_namespace *user_ns = current_user_ns(); in may_setgroups() local
189 return ns_capable_setid(user_ns, CAP_SETGID) && in may_setgroups()
190 userns_may_setgroups(user_ns); in may_setgroups()
Dcred.c61 .user_ns = &init_user_ns,
125 put_user_ns(cred->user_ns); in put_cred_rcu()
274 get_user_ns(new->user_ns); in prepare_creds()
410 const struct user_namespace *set_ns = set->user_ns; in cred_cap_issubset()
411 const struct user_namespace *subset_ns = subset->user_ns; in cred_cap_issubset()
498 if (new->user != old->user || new->user_ns != old->user_ns) in commit_creds()
502 if (new->user != old->user || new->user_ns != old->user_ns) in commit_creds()
674 if (old_ucounts->ns == new->user_ns && uid_eq(old_ucounts->uid, new->uid)) in set_cred_ucounts()
677 if (!(new_ucounts = alloc_ucounts(new->user_ns, new->uid))) in set_cred_ucounts()
735 get_user_ns(new->user_ns); in prepare_kernel_cred()
Duser_namespace.c43 static void set_cred_user_ns(struct cred *cred, struct user_namespace *user_ns) in set_cred_user_ns() argument
59 cred->user_ns = user_ns; in set_cred_user_ns()
84 struct user_namespace *ns, *parent_ns = new->user_ns; in create_user_ns()
883 const struct user_namespace *file_ns = file->f_cred->user_ns; in verify_root_map()
1322 struct user_namespace *user_ns; in userns_get() local
1325 user_ns = get_user_ns(__task_cred(task)->user_ns); in userns_get()
1328 return user_ns ? &user_ns->ns : NULL; in userns_get()
1338 struct user_namespace *user_ns = to_user_ns(ns); in userns_install() local
1344 if (user_ns == current_user_ns()) in userns_install()
1354 if (!ns_capable(user_ns, CAP_SYS_ADMIN)) in userns_install()
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/Linux-v6.1/ipc/
Dnamespace.c32 static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, in create_ipc_ns() argument
40 ucounts = inc_ipc_namespaces(user_ns); in create_ipc_ns()
55 ns->user_ns = get_user_ns(user_ns); in create_ipc_ns()
82 put_user_ns(ns->user_ns); in create_ipc_ns()
93 struct user_namespace *user_ns, struct ipc_namespace *ns) in copy_ipcs() argument
97 return create_ipc_ns(user_ns, ns); in copy_ipcs()
145 put_user_ns(ns->user_ns); in free_ipc_ns()
220 if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) || in ipcns_install()
221 !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN)) in ipcns_install()
231 return to_ipc_ns(ns)->user_ns; in ipcns_owner()
/Linux-v6.1/kernel/cgroup/
Dnamespace.c44 put_user_ns(ns->user_ns); in free_cgroup_ns()
51 struct user_namespace *user_ns, in copy_cgroup_ns() argument
66 if (!ns_capable(user_ns, CAP_SYS_ADMIN)) in copy_cgroup_ns()
69 ucounts = inc_cgroup_namespaces(user_ns); in copy_cgroup_ns()
86 new_ns->user_ns = get_user_ns(user_ns); in copy_cgroup_ns()
103 if (!ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN) || in cgroupns_install()
104 !ns_capable(cgroup_ns->user_ns, CAP_SYS_ADMIN)) in cgroupns_install()
141 return to_cg_ns(ns)->user_ns; in cgroupns_owner()
/Linux-v6.1/net/netfilter/
Dxt_owner.c32 (current_user_ns() != net->user_ns)) in owner_check()
37 kuid_t uid_min = make_kuid(net->user_ns, info->uid_min); in owner_check()
38 kuid_t uid_max = make_kuid(net->user_ns, info->uid_max); in owner_check()
49 kgid_t gid_min = make_kgid(net->user_ns, info->gid_min); in owner_check()
50 kgid_t gid_max = make_kgid(net->user_ns, info->gid_max); in owner_check()
85 kuid_t uid_min = make_kuid(net->user_ns, info->uid_min); in owner_mt()
86 kuid_t uid_max = make_kuid(net->user_ns, info->uid_max); in owner_mt()
95 kgid_t gid_min = make_kgid(net->user_ns, info->gid_min); in owner_mt()
96 kgid_t gid_max = make_kgid(net->user_ns, info->gid_max); in owner_mt()
/Linux-v6.1/kernel/time/
Dnamespace.c78 static struct time_namespace *clone_time_ns(struct user_namespace *user_ns, in clone_time_ns() argument
86 ucounts = inc_time_namespaces(user_ns); in clone_time_ns()
107 ns->user_ns = get_user_ns(user_ns); in clone_time_ns()
134 struct user_namespace *user_ns, struct time_namespace *old_ns) in copy_time_ns() argument
139 return clone_time_ns(user_ns, old_ns); in copy_time_ns()
232 put_user_ns(ns->user_ns); in free_time_ns()
294 if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) || in timens_install()
295 !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN)) in timens_install()
326 return to_time_ns(ns)->user_ns; in timens_owner()
375 if (!file_ns_capable(file, time_ns->user_ns, CAP_SYS_TIME)) { in proc_timens_set_offset()
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/Linux-v6.1/security/keys/
Dproc.c66 struct user_namespace *user_ns = seq_user_ns(p); in key_serial_next() local
71 if (kuid_has_mapping(user_ns, key->user->uid)) in key_serial_next()
80 struct user_namespace *user_ns = seq_user_ns(p); in find_ge_key() local
103 if (kuid_has_mapping(user_ns, minkey->user->uid)) in find_ge_key()
252 static struct rb_node *__key_user_next(struct user_namespace *user_ns, struct rb_node *n) in __key_user_next() argument
256 if (kuid_has_mapping(user_ns, user->uid)) in __key_user_next()
263 static struct rb_node *key_user_next(struct user_namespace *user_ns, struct rb_node *n) in key_user_next() argument
265 return __key_user_next(user_ns, rb_next(n)); in key_user_next()
268 static struct rb_node *key_user_first(struct user_namespace *user_ns, struct rb_root *r) in key_user_first() argument
271 return __key_user_next(user_ns, n); in key_user_first()
Dprocess_keys.c38 static struct key *get_user_register(struct user_namespace *user_ns) in get_user_register() argument
40 struct key *reg_keyring = READ_ONCE(user_ns->user_keyring_register); in get_user_register()
45 down_write(&user_ns->keyring_sem); in get_user_register()
50 reg_keyring = user_ns->user_keyring_register; in get_user_register()
53 user_ns->owner, INVALID_GID, in get_user_register()
60 smp_store_release(&user_ns->user_keyring_register, in get_user_register()
64 up_write(&user_ns->keyring_sem); in get_user_register()
78 struct user_namespace *user_ns = current_user_ns(); in look_up_user_keyrings() local
82 uid_t uid = from_kuid(user_ns, cred->user->uid); in look_up_user_keyrings()
90 reg_keyring = get_user_register(user_ns); in look_up_user_keyrings()
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/Linux-v6.1/net/bridge/
Dbr_ioctl.c91 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in add_del_if()
219 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
226 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
233 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
240 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
280 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
287 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
296 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
310 if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN)) in br_dev_siocdevprivate()
379 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in old_deviceless()
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/Linux-v6.1/security/
Dcommoncap.c77 if (ns == cred->user_ns) in cap_capable()
84 if (ns->level <= cred->user_ns->level) in cap_capable()
91 if ((ns->parent == cred->user_ns) && uid_eq(ns->owner, cred->euid)) in cap_capable()
147 if (cred->user_ns == child_cred->user_ns && in cap_ptrace_access_check()
150 if (ns_capable(child_cred->user_ns, CAP_SYS_PTRACE)) in cap_ptrace_access_check()
179 if (cred->user_ns == child_cred->user_ns && in cap_ptrace_traceme()
182 if (has_ns_capability(parent, child_cred->user_ns, CAP_SYS_PTRACE)) in cap_ptrace_traceme()
224 if (cap_capable(current_cred(), current_cred()->user_ns, in cap_inh_is_capped()
909 root_uid = make_kuid(new->user_ns, 0); in cap_bprm_creds_from_file()
926 !ptracer_capable(current, new->user_ns))) { in cap_bprm_creds_from_file()
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/Linux-v6.1/include/linux/
Dutsname.h26 struct user_namespace *user_ns; member
39 struct user_namespace *user_ns, struct uts_namespace *old_ns);
59 struct user_namespace *user_ns, struct uts_namespace *old_ns) in copy_utsname() argument
Dpid_namespace.h30 struct user_namespace *user_ns; member
49 struct user_namespace *user_ns, struct pid_namespace *ns);
63 struct user_namespace *user_ns, struct pid_namespace *ns) in copy_pid_ns() argument
Dipc_namespace.h75 struct user_namespace *user_ns; member
133 struct user_namespace *user_ns, struct ipc_namespace *ns);
155 struct user_namespace *user_ns, struct ipc_namespace *ns) in copy_ipcs() argument
Dtsacct_kern.h14 extern void bacct_add_tsk(struct user_namespace *user_ns,
18 static inline void bacct_add_tsk(struct user_namespace *user_ns, in bacct_add_tsk() argument
/Linux-v6.1/fs/sysfs/
Dmount.c75 put_user_ns(fc->user_ns); in sysfs_init_fs_context()
76 fc->user_ns = get_user_ns(netns->user_ns); in sysfs_init_fs_context()
/Linux-v6.1/net/unix/
Ddiag.c118 struct user_namespace *user_ns) in sk_diag_dump_uid() argument
120 uid_t uid = from_kuid_munged(user_ns, sock_i_uid(sk)); in sk_diag_dump_uid()
125 struct user_namespace *user_ns, in sk_diag_fill() argument
172 sk_diag_dump_uid(sk, skb, user_ns)) in sk_diag_fill()
184 struct user_namespace *user_ns, in sk_diag_dump() argument
196 return sk_diag_fill(sk, skb, req, user_ns, portid, seq, flags, sk_ino); in sk_diag_dump()
/Linux-v6.1/net/
Dsysctl_net.c48 if (ns_capable_noaudit(net->user_ns, CAP_NET_ADMIN)) { in net_ctl_permissions()
64 ns_root_uid = make_kuid(net->user_ns, 0); in net_ctl_set_ownership()
68 ns_root_gid = make_kgid(net->user_ns, 0); in net_ctl_set_ownership()

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