/* * NFS4 ACL handling * * Copyright (C) Jim McDonough, 2006 * Reused & renamed some parts of AIX 5.3 sys/acl.h structures * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #ifndef __NFS4_ACLS_H__ #define __NFS4_ACLS_H__ /* * Following union captures the identity as * used in the NFS4 ACL structures. */ typedef union _SMB_NFS4_ACEWHOID_T { uid_t uid; /* User id */ gid_t gid; /* Group id */ uint32_t special_id; /* Identifies special identities in NFS4 */ #define SMB_ACE4_WHO_OWNER 0x00000001 /*The owner of the file. */ #define SMB_ACE4_WHO_GROUP 0x00000002 /*The group associated with the file. */ #define SMB_ACE4_WHO_EVERYONE 0x00000003 /*The world. */ #define SMB_ACE4_WHO_INTERACTIVE 0x00000004 /*Accessed from an interactive terminal. */ #define SMB_ACE4_WHO_NETWORK 0x00000005 /*Accessed via the network. */ #define SMB_ACE4_WHO_DIALUP 0x00000006 /*Accessed as a dialup user to the server. */ #define SMB_ACE4_WHO_BATCH 0x00000007 /*Accessed from a batch job. */ #define SMB_ACE4_WHO_ANONYMOUS 0x00000008 /*Accessed without any authentication. */ #define SMB_ACE4_WHO_AUTHENTICATED 0x00000009 /*Any authenticated user (opposite of ANONYMOUS) */ #define SMB_ACE4_WHO_SERVICE 0x0000000A /*Access from a system service. */ #define SMB_ACE4_WHO_MAX SMB_ACE4_WHO_SERVICE /* largest valid ACE4_WHO */ uint32_t id; } SMB_NFS4_ACEWHOID_T; typedef struct _SMB_ACE4PROP_T { uint32_t flags; /* Bit mask defining details of ACE */ /*The following are constants for flags field */ /* #define SMB_ACE4_ID_NOT_VALID 0x00000001 - from aix/jfs2 */ #define SMB_ACE4_ID_SPECIAL 0x00000002 SMB_NFS4_ACEWHOID_T who; /* Identifies to whom this ACE applies */ /* The following part of ACE has the same layout as NFSv4 wire format. */ uint32_t aceType; /* Type of ACE PERMIT/ALLOW etc*/ /*The constants used for the type field (acetype4) are as follows: */ #define SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE 0x00000000 #define SMB_ACE4_ACCESS_DENIED_ACE_TYPE 0x00000001 #define SMB_ACE4_SYSTEM_AUDIT_ACE_TYPE 0x00000002 #define SMB_ACE4_SYSTEM_ALARM_ACE_TYPE 0x00000003 #define SMB_ACE4_MAX_TYPE SMB_ACE4_SYSTEM_ALARM_ACE_TYPE /* largest valid ACE4_TYPE */ uint32_t aceFlags; /* Controls Inheritance and such */ /*The bitmask constants used for the flag field are as follows: */ #define SMB_ACE4_FILE_INHERIT_ACE 0x00000001 #define SMB_ACE4_DIRECTORY_INHERIT_ACE 0x00000002 #define SMB_ACE4_NO_PROPAGATE_INHERIT_ACE 0x00000004 #define SMB_ACE4_INHERIT_ONLY_ACE 0x00000008 #define SMB_ACE4_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010 #define SMB_ACE4_FAILED_ACCESS_ACE_FLAG 0x00000020 #define SMB_ACE4_IDENTIFIER_GROUP 0x00000040 #define SMB_ACE4_INHERITED_ACE 0x00000080 #define SMB_ACE4_ALL_FLAGS ( SMB_ACE4_FILE_INHERIT_ACE | SMB_ACE4_DIRECTORY_INHERIT_ACE \ | SMB_ACE4_NO_PROPAGATE_INHERIT_ACE | SMB_ACE4_INHERIT_ONLY_ACE | SMB_ACE4_SUCCESSFUL_ACCESS_ACE_FLAG \ | SMB_ACE4_FAILED_ACCESS_ACE_FLAG | SMB_ACE4_IDENTIFIER_GROUP | SMB_ACE4_INHERITED_ACE) uint32_t aceMask; /* Access rights */ /*The bitmask constants used for the access mask field are as follows: */ #define SMB_ACE4_READ_DATA 0x00000001 #define SMB_ACE4_LIST_DIRECTORY 0x00000001 #define SMB_ACE4_WRITE_DATA 0x00000002 #define SMB_ACE4_ADD_FILE 0x00000002 #define SMB_ACE4_APPEND_DATA 0x00000004 #define SMB_ACE4_ADD_SUBDIRECTORY 0x00000004 #define SMB_ACE4_READ_NAMED_ATTRS 0x00000008 #define SMB_ACE4_WRITE_NAMED_ATTRS 0x00000010 #define SMB_ACE4_EXECUTE 0x00000020 #define SMB_ACE4_DELETE_CHILD 0x00000040 #define SMB_ACE4_READ_ATTRIBUTES 0x00000080 #define SMB_ACE4_WRITE_ATTRIBUTES 0x00000100 #define SMB_ACE4_DELETE 0x00010000 #define SMB_ACE4_READ_ACL 0x00020000 #define SMB_ACE4_WRITE_ACL 0x00040000 #define SMB_ACE4_WRITE_OWNER 0x00080000 #define SMB_ACE4_SYNCHRONIZE 0x00100000 #define SMB_ACE4_ALL_MASKS ( SMB_ACE4_READ_DATA | SMB_ACE4_LIST_DIRECTORY \ | SMB_ACE4_WRITE_DATA | SMB_ACE4_ADD_FILE | SMB_ACE4_APPEND_DATA | SMB_ACE4_ADD_SUBDIRECTORY \ | SMB_ACE4_READ_NAMED_ATTRS | SMB_ACE4_WRITE_NAMED_ATTRS | SMB_ACE4_EXECUTE | SMB_ACE4_DELETE_CHILD \ | SMB_ACE4_READ_ATTRIBUTES | SMB_ACE4_WRITE_ATTRIBUTES | SMB_ACE4_DELETE | SMB_ACE4_READ_ACL \ | SMB_ACE4_WRITE_ACL | SMB_ACE4_WRITE_OWNER | SMB_ACE4_SYNCHRONIZE ) } SMB_ACE4PROP_T; struct SMB4ACL_T; struct SMB4ACE_T; enum smbacl4_mode_enum {e_simple=0, e_special=1}; enum smbacl4_acedup_enum {e_dontcare=0, e_reject=1, e_ignore=2, e_merge=3}; struct smbacl4_vfs_params { enum smbacl4_mode_enum mode; bool do_chown; enum smbacl4_acedup_enum acedup; bool map_full_control; }; int smbacl4_get_vfs_params(struct connection_struct *conn, struct smbacl4_vfs_params *params); struct SMB4ACL_T *smb_create_smb4acl(TALLOC_CTX *mem_ctx); /* prop's contents are copied */ /* it doesn't change the order, appends */ struct SMB4ACE_T *smb_add_ace4(struct SMB4ACL_T *theacl, SMB_ACE4PROP_T *prop); SMB_ACE4PROP_T *smb_get_ace4(struct SMB4ACE_T *ace); /* Returns NULL if none - or error */ struct SMB4ACE_T *smb_first_ace4(struct SMB4ACL_T *theacl); /* Returns NULL in the end - or error */ struct SMB4ACE_T *smb_next_ace4(struct SMB4ACE_T *ace); uint32_t smb_get_naces(struct SMB4ACL_T *theacl); uint16_t smbacl4_get_controlflags(struct SMB4ACL_T *theacl); bool smbacl4_set_controlflags(struct SMB4ACL_T *theacl, uint16_t controlflags); bool nfs_ace_is_inherit(SMB_ACE4PROP_T *ace); NTSTATUS smb_fget_nt_acl_nfs4(files_struct *fsp, const struct smbacl4_vfs_params *pparams, uint32_t security_info, TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc, struct SMB4ACL_T *theacl); NTSTATUS smb_get_nt_acl_nfs4(connection_struct *conn, const struct smb_filename *smb_fname, const struct smbacl4_vfs_params *pparams, uint32_t security_info, TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc, struct SMB4ACL_T *theacl); /* Callback function needed to set the native acl * when applicable */ typedef bool (*set_nfs4acl_native_fn_t)(vfs_handle_struct *handle, files_struct *, struct SMB4ACL_T *); NTSTATUS smb_set_nt_acl_nfs4(vfs_handle_struct *handle, files_struct *fsp, const struct smbacl4_vfs_params *pparams, uint32_t security_info_sent, const struct security_descriptor *psd, set_nfs4acl_native_fn_t set_nfs4_native); #endif /* __NFS4_ACLS_H__ */