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-rw-r--r--fs/ksmbd/smbacl.h238
1 files changed, 0 insertions, 238 deletions
diff --git a/fs/ksmbd/smbacl.h b/fs/ksmbd/smbacl.h
deleted file mode 100644
index 618f2e0236b3..000000000000
--- a/fs/ksmbd/smbacl.h
+++ /dev/null
@@ -1,238 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1+ */
-/*
- * Copyright (c) International Business Machines Corp., 2007
- * Author(s): Steve French (sfrench@us.ibm.com)
- * Modified by Namjae Jeon (linkinjeon@kernel.org)
- */
-
-#ifndef _SMBACL_H
-#define _SMBACL_H
-
-#include <linux/fs.h>
-#include <linux/namei.h>
-#include <linux/posix_acl.h>
-#include <linux/mnt_idmapping.h>
-
-#include "mgmt/tree_connect.h"
-
-#define NUM_AUTHS (6) /* number of authority fields */
-#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */
-
-/*
- * ACE types - see MS-DTYP 2.4.4.1
- */
-enum {
- ACCESS_ALLOWED,
- ACCESS_DENIED,
-};
-
-/*
- * Security ID types
- */
-enum {
- SIDOWNER = 1,
- SIDGROUP,
- SIDCREATOR_OWNER,
- SIDCREATOR_GROUP,
- SIDUNIX_USER,
- SIDUNIX_GROUP,
- SIDNFS_USER,
- SIDNFS_GROUP,
- SIDNFS_MODE,
-};
-
-/* Revision for ACLs */
-#define SD_REVISION 1
-
-/* Control flags for Security Descriptor */
-#define OWNER_DEFAULTED 0x0001
-#define GROUP_DEFAULTED 0x0002
-#define DACL_PRESENT 0x0004
-#define DACL_DEFAULTED 0x0008
-#define SACL_PRESENT 0x0010
-#define SACL_DEFAULTED 0x0020
-#define DACL_TRUSTED 0x0040
-#define SERVER_SECURITY 0x0080
-#define DACL_AUTO_INHERIT_REQ 0x0100
-#define SACL_AUTO_INHERIT_REQ 0x0200
-#define DACL_AUTO_INHERITED 0x0400
-#define SACL_AUTO_INHERITED 0x0800
-#define DACL_PROTECTED 0x1000
-#define SACL_PROTECTED 0x2000
-#define RM_CONTROL_VALID 0x4000
-#define SELF_RELATIVE 0x8000
-
-/* ACE types - see MS-DTYP 2.4.4.1 */
-#define ACCESS_ALLOWED_ACE_TYPE 0x00
-#define ACCESS_DENIED_ACE_TYPE 0x01
-#define SYSTEM_AUDIT_ACE_TYPE 0x02
-#define SYSTEM_ALARM_ACE_TYPE 0x03
-#define ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
-#define ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
-#define ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
-#define SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
-#define SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
-#define ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
-#define ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
-#define ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
-#define ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C
-#define SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D
-#define SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E /* Reserved */
-#define SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
-#define SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 /* reserved */
-#define SYSTEM_MANDATORY_LABEL_ACE_TYPE 0x11
-#define SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE 0x12
-#define SYSTEM_SCOPED_POLICY_ID_ACE_TYPE 0x13
-
-/* ACE flags */
-#define OBJECT_INHERIT_ACE 0x01
-#define CONTAINER_INHERIT_ACE 0x02
-#define NO_PROPAGATE_INHERIT_ACE 0x04
-#define INHERIT_ONLY_ACE 0x08
-#define INHERITED_ACE 0x10
-#define SUCCESSFUL_ACCESS_ACE_FLAG 0x40
-#define FAILED_ACCESS_ACE_FLAG 0x80
-
-/*
- * Maximum size of a string representation of a SID:
- *
- * The fields are unsigned values in decimal. So:
- *
- * u8: max 3 bytes in decimal
- * u32: max 10 bytes in decimal
- *
- * "S-" + 3 bytes for version field + 15 for authority field + NULL terminator
- *
- * For authority field, max is when all 6 values are non-zero and it must be
- * represented in hex. So "-0x" + 12 hex digits.
- *
- * Add 11 bytes for each subauthority field (10 bytes each + 1 for '-')
- */
-#define SID_STRING_BASE_SIZE (2 + 3 + 15 + 1)
-#define SID_STRING_SUBAUTH_SIZE (11) /* size of a single subauth string */
-
-#define DOMAIN_USER_RID_LE cpu_to_le32(513)
-
-struct ksmbd_conn;
-
-struct smb_ntsd {
- __le16 revision; /* revision level */
- __le16 type;
- __le32 osidoffset;
- __le32 gsidoffset;
- __le32 sacloffset;
- __le32 dacloffset;
-} __packed;
-
-struct smb_sid {
- __u8 revision; /* revision level */
- __u8 num_subauth;
- __u8 authority[NUM_AUTHS];
- __le32 sub_auth[SID_MAX_SUB_AUTHORITIES]; /* sub_auth[num_subauth] */
-} __packed;
-
-/* size of a struct cifs_sid, sans sub_auth array */
-#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
-
-struct smb_acl {
- __le16 revision; /* revision level */
- __le16 size;
- __le32 num_aces;
-} __packed;
-
-struct smb_ace {
- __u8 type;
- __u8 flags;
- __le16 size;
- __le32 access_req;
- struct smb_sid sid; /* ie UUID of user or group who gets these perms */
-} __packed;
-
-struct smb_fattr {
- kuid_t cf_uid;
- kgid_t cf_gid;
- umode_t cf_mode;
- __le32 daccess;
- struct posix_acl *cf_acls;
- struct posix_acl *cf_dacls;
-};
-
-struct posix_ace_state {
- u32 allow;
- u32 deny;
-};
-
-struct posix_user_ace_state {
- union {
- kuid_t uid;
- kgid_t gid;
- };
- struct posix_ace_state perms;
-};
-
-struct posix_ace_state_array {
- int n;
- struct posix_user_ace_state aces[];
-};
-
-/*
- * while processing the nfsv4 ace, this maintains the partial permissions
- * calculated so far:
- */
-
-struct posix_acl_state {
- struct posix_ace_state owner;
- struct posix_ace_state group;
- struct posix_ace_state other;
- struct posix_ace_state everyone;
- struct posix_ace_state mask; /* deny unused in this case */
- struct posix_ace_state_array *users;
- struct posix_ace_state_array *groups;
-};
-
-int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
- int acl_len, struct smb_fattr *fattr);
-int build_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
- struct smb_ntsd *ppntsd, int ppntsd_size, int addition_info,
- __u32 *secdesclen, struct smb_fattr *fattr);
-int init_acl_state(struct posix_acl_state *state, int cnt);
-void free_acl_state(struct posix_acl_state *state);
-void posix_state_to_acl(struct posix_acl_state *state,
- struct posix_acl_entry *pace);
-int compare_sids(const struct smb_sid *ctsid, const struct smb_sid *cwsid);
-bool smb_inherit_flags(int flags, bool is_dir);
-int smb_inherit_dacl(struct ksmbd_conn *conn, const struct path *path,
- unsigned int uid, unsigned int gid);
-int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
- __le32 *pdaccess, int uid);
-int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon,
- const struct path *path, struct smb_ntsd *pntsd, int ntsd_len,
- bool type_check);
-void id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid);
-void ksmbd_init_domain(u32 *sub_auth);
-
-static inline uid_t posix_acl_uid_translate(struct user_namespace *mnt_userns,
- struct posix_acl_entry *pace)
-{
- vfsuid_t vfsuid;
-
- /* If this is an idmapped mount, apply the idmapping. */
- vfsuid = make_vfsuid(mnt_userns, &init_user_ns, pace->e_uid);
-
- /* Translate the kuid into a userspace id ksmbd would see. */
- return from_kuid(&init_user_ns, vfsuid_into_kuid(vfsuid));
-}
-
-static inline gid_t posix_acl_gid_translate(struct user_namespace *mnt_userns,
- struct posix_acl_entry *pace)
-{
- vfsgid_t vfsgid;
-
- /* If this is an idmapped mount, apply the idmapping. */
- vfsgid = make_vfsgid(mnt_userns, &init_user_ns, pace->e_gid);
-
- /* Translate the kgid into a userspace id ksmbd would see. */
- return from_kgid(&init_user_ns, vfsgid_into_kgid(vfsgid));
-}
-
-#endif /* _SMBACL_H */
generated by cgit (git 2.34.1) at 2025-12-25 12:06:10 +0000