2 * Unix SMB/Netbios implementation.
4 * RPC Pipe client / server routines
5 * Copyright (C) Andrew Tridgell 1992-1998,
6 * Copyright (C) Jeremy R. Allison 1995-2003.
7 * Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
8 * Copyright (C) Paul Ashton 1997-1998.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define DBGC_CLASS DBGC_RPC_PARSE
30 /*******************************************************************
31 Reads or writes a SEC_ACCESS structure.
32 ********************************************************************/
34 BOOL
sec_io_access(const char *desc
, SEC_ACCESS
*t
, prs_struct
*ps
, int depth
)
39 prs_debug(ps
, depth
, desc
, "sec_io_access");
42 if(!prs_uint32("mask", ps
, depth
, &t
->mask
))
48 /*******************************************************************
49 Reads or writes a SEC_ACE structure.
50 ********************************************************************/
52 BOOL
sec_io_ace(const char *desc
, SEC_ACE
*psa
, prs_struct
*ps
, int depth
)
55 uint32 offset_ace_size
;
60 prs_debug(ps
, depth
, desc
, "sec_io_ace");
63 old_offset
= prs_offset(ps
);
65 if(!prs_uint8("type ", ps
, depth
, &psa
->type
))
68 if(!prs_uint8("flags", ps
, depth
, &psa
->flags
))
71 if(!prs_uint16_pre("size ", ps
, depth
, &psa
->size
, &offset_ace_size
))
74 if(!sec_io_access("info ", &psa
->info
, ps
, depth
))
77 /* check whether object access is present */
78 if (!sec_ace_object(psa
->type
)) {
79 if (!smb_io_dom_sid("trustee ", &psa
->trustee
, ps
, depth
))
82 if (!prs_uint32("obj_flags", ps
, depth
, &psa
->obj_flags
))
85 if (psa
->obj_flags
& SEC_ACE_OBJECT_PRESENT
)
86 if (!prs_uint8s(False
, "obj_guid", ps
, depth
, psa
->obj_guid
.info
, GUID_SIZE
))
89 if (psa
->obj_flags
& SEC_ACE_OBJECT_INHERITED_PRESENT
)
90 if (!prs_uint8s(False
, "inh_guid", ps
, depth
, psa
->inh_guid
.info
, GUID_SIZE
))
93 if(!smb_io_dom_sid("trustee ", &psa
->trustee
, ps
, depth
))
97 if(!prs_uint16_post("size ", ps
, depth
, &psa
->size
, offset_ace_size
, old_offset
))
102 /*******************************************************************
103 Reads or writes a SEC_ACL structure.
105 First of the xx_io_xx functions that allocates its data structures
106 for you as it reads them.
107 ********************************************************************/
109 BOOL
sec_io_acl(const char *desc
, SEC_ACL
**ppsa
, prs_struct
*ps
, int depth
)
113 uint32 offset_acl_size
;
117 * Note that the size is always a multiple of 4 bytes due to the
118 * nature of the data structure. Therefore the prs_align() calls
119 * have been removed as they through us off when doing two-layer
120 * marshalling such as in the printing code (NEW_BUFFER). --jerry
128 if(UNMARSHALLING(ps
) && psa
== NULL
) {
130 * This is a read and we must allocate the stuct to read into.
132 if((psa
= (SEC_ACL
*)prs_alloc_mem(ps
, sizeof(SEC_ACL
))) == NULL
)
137 prs_debug(ps
, depth
, desc
, "sec_io_acl");
140 old_offset
= prs_offset(ps
);
142 if(!prs_uint16("revision", ps
, depth
, &psa
->revision
))
145 if(!prs_uint16_pre("size ", ps
, depth
, &psa
->size
, &offset_acl_size
))
148 if(!prs_uint32("num_aces ", ps
, depth
, &psa
->num_aces
))
151 if (UNMARSHALLING(ps
)) {
153 * Even if the num_aces is zero, allocate memory as there's a difference
154 * between a non-present DACL (allow all access) and a DACL with no ACE's
157 if((psa
->ace
= (SEC_ACE
*)prs_alloc_mem(ps
,sizeof(psa
->ace
[0]) * (psa
->num_aces
+1))) == NULL
)
161 for (i
= 0; i
< psa
->num_aces
; i
++) {
163 slprintf(tmp
, sizeof(tmp
)-1, "ace_list[%02d]: ", i
);
164 if(!sec_io_ace(tmp
, &psa
->ace
[i
], ps
, depth
))
168 if(!prs_uint16_post("size ", ps
, depth
, &psa
->size
, offset_acl_size
, old_offset
))
174 /*******************************************************************
175 Reads or writes a SEC_DESC structure.
176 If reading and the *ppsd = NULL, allocates the structure.
177 ********************************************************************/
179 BOOL
sec_io_desc(const char *desc
, SEC_DESC
**ppsd
, prs_struct
*ps
, int depth
)
182 uint32 max_offset
= 0; /* after we're done, move offset to end */
183 uint32 tmp_offset
= 0;
193 if(UNMARSHALLING(ps
)) {
194 if((psd
= (SEC_DESC
*)prs_alloc_mem(ps
,sizeof(SEC_DESC
))) == NULL
)
198 /* Marshalling - just ignore. */
203 prs_debug(ps
, depth
, desc
, "sec_io_desc");
208 * if alignment is needed, should be done by the the
209 * caller. Not here. This caused me problems when marshalling
210 * printer info into a buffer. --jerry
216 /* start of security descriptor stored for back-calc offset purposes */
217 old_offset
= prs_offset(ps
);
219 if(!prs_uint16("revision ", ps
, depth
, &psd
->revision
))
222 if(!prs_uint16("type ", ps
, depth
, &psd
->type
))
225 if(!prs_uint32("off_owner_sid", ps
, depth
, &psd
->off_owner_sid
))
228 if(!prs_uint32("off_grp_sid ", ps
, depth
, &psd
->off_grp_sid
))
231 if(!prs_uint32("off_sacl ", ps
, depth
, &psd
->off_sacl
))
234 if(!prs_uint32("off_dacl ", ps
, depth
, &psd
->off_dacl
))
237 max_offset
= MAX(max_offset
, prs_offset(ps
));
239 if (psd
->off_owner_sid
!= 0) {
241 tmp_offset
= prs_offset(ps
);
242 if(!prs_set_offset(ps
, old_offset
+ psd
->off_owner_sid
))
245 if (UNMARSHALLING(ps
)) {
247 if((psd
->owner_sid
= (DOM_SID
*)prs_alloc_mem(ps
,sizeof(*psd
->owner_sid
))) == NULL
)
251 if(!smb_io_dom_sid("owner_sid ", psd
->owner_sid
, ps
, depth
))
254 max_offset
= MAX(max_offset
, prs_offset(ps
));
256 if (!prs_set_offset(ps
,tmp_offset
))
260 if (psd
->off_grp_sid
!= 0) {
262 tmp_offset
= prs_offset(ps
);
263 if(!prs_set_offset(ps
, old_offset
+ psd
->off_grp_sid
))
266 if (UNMARSHALLING(ps
)) {
268 if((psd
->grp_sid
= (DOM_SID
*)prs_alloc_mem(ps
,sizeof(*psd
->grp_sid
))) == NULL
)
272 if(!smb_io_dom_sid("grp_sid", psd
->grp_sid
, ps
, depth
))
275 max_offset
= MAX(max_offset
, prs_offset(ps
));
277 if (!prs_set_offset(ps
,tmp_offset
))
281 if ((psd
->type
& SEC_DESC_SACL_PRESENT
) && psd
->off_sacl
) {
282 tmp_offset
= prs_offset(ps
);
283 if(!prs_set_offset(ps
, old_offset
+ psd
->off_sacl
))
285 if(!sec_io_acl("sacl", &psd
->sacl
, ps
, depth
))
287 max_offset
= MAX(max_offset
, prs_offset(ps
));
288 if (!prs_set_offset(ps
,tmp_offset
))
293 if ((psd
->type
& SEC_DESC_DACL_PRESENT
) && psd
->off_dacl
!= 0) {
294 tmp_offset
= prs_offset(ps
);
295 if(!prs_set_offset(ps
, old_offset
+ psd
->off_dacl
))
297 if(!sec_io_acl("dacl", &psd
->dacl
, ps
, depth
))
299 max_offset
= MAX(max_offset
, prs_offset(ps
));
300 if (!prs_set_offset(ps
,tmp_offset
))
304 if(!prs_set_offset(ps
, max_offset
))
309 /*******************************************************************
310 Reads or writes a SEC_DESC_BUF structure.
311 ********************************************************************/
313 BOOL
sec_io_desc_buf(const char *desc
, SEC_DESC_BUF
**ppsdb
, prs_struct
*ps
, int depth
)
326 if (UNMARSHALLING(ps
) && psdb
== NULL
) {
327 if((psdb
= (SEC_DESC_BUF
*)prs_alloc_mem(ps
,sizeof(SEC_DESC_BUF
))) == NULL
)
332 prs_debug(ps
, depth
, desc
, "sec_io_desc_buf");
338 if(!prs_uint32_pre("max_len", ps
, depth
, &psdb
->max_len
, &off_max_len
))
341 if(!prs_uint32 ("ptr ", ps
, depth
, &psdb
->ptr
))
344 if(!prs_uint32_pre("len ", ps
, depth
, &psdb
->len
, &off_len
))
347 old_offset
= prs_offset(ps
);
349 /* reading, length is non-zero; writing, descriptor is non-NULL */
350 if ((UNMARSHALLING(ps
) && psdb
->len
!= 0) || (MARSHALLING(ps
) && psdb
->sec
!= NULL
)) {
351 if(!sec_io_desc("sec ", &psdb
->sec
, ps
, depth
))
358 size
= prs_offset(ps
) - old_offset
;
359 if(!prs_uint32_post("max_len", ps
, depth
, &psdb
->max_len
, off_max_len
, size
== 0 ? psdb
->max_len
: size
))
362 if(!prs_uint32_post("len ", ps
, depth
, &psdb
->len
, off_len
, size
))