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authorLuke Leighton <lkcl@samba.org>1999-02-23 22:39:54 +0000
committerLuke Leighton <lkcl@samba.org>1999-02-23 22:39:54 +0000
commit1e71ecdcb21f24e70ee5edbbc05de0284fa588f4 (patch)
tree4c00ca048f4400e768c3611a35d77200a5ab1605 /source3/rpc_parse
parent5c5f5445384bf1c55ad28ee7c24b2cce14744a80 (diff)
downloadsamba-1e71ecdcb21f24e70ee5edbbc05de0284fa588f4.tar.gz
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added jeremy's new c++-like code for parsing of security descriptors.
(This used to be commit ec1b7000fd88c5a08e438c7033f60e49b9ec44a8)
Diffstat (limited to 'source3/rpc_parse')
-rw-r--r--source3/rpc_parse/parse_misc.c9
-rw-r--r--source3/rpc_parse/parse_reg.c33
-rw-r--r--source3/rpc_parse/parse_sec.c610
3 files changed, 396 insertions, 256 deletions
diff --git a/source3/rpc_parse/parse_misc.c b/source3/rpc_parse/parse_misc.c
index 12501a5e57..3cffde0249 100644
--- a/source3/rpc_parse/parse_misc.c
+++ b/source3/rpc_parse/parse_misc.c
@@ -118,11 +118,11 @@ void smb_io_enum_hnd(char *desc, ENUM_HND *hnd, prs_struct *ps, int depth)
/*******************************************************************
reads or writes a DOM_SID structure.
********************************************************************/
-void smb_io_dom_sid(char *desc, DOM_SID *sid, prs_struct *ps, int depth)
+BOOL smb_io_dom_sid(char *desc, DOM_SID *sid, prs_struct *ps, int depth)
{
int i;
- if (sid == NULL) return;
+ if (sid == NULL) return False;
prs_debug(ps, depth, desc, "smb_io_dom_sid");
depth++;
@@ -143,6 +143,8 @@ void smb_io_dom_sid(char *desc, DOM_SID *sid, prs_struct *ps, int depth)
if (sid->num_auths > MAXSUBAUTHS) sid->num_auths = MAXSUBAUTHS;
prs_uint32s(False, "sub_auths ", ps, depth, sid->sub_auths, sid->num_auths);
+
+ return True;
}
/*******************************************************************
@@ -150,7 +152,7 @@ creates a DOM_SID2 structure.
********************************************************************/
void make_dom_sid2(DOM_SID2 *sid2, DOM_SID *sid)
{
- sid_copy(&sid2->sid, sid);
+ sid2->sid = *sid;
sid2->num_auths = sid2->sid.num_auths;
}
@@ -1048,4 +1050,3 @@ void smb_io_unistr3(char *desc, UNISTR3 *name, prs_struct *ps, int depth)
prs_unistr3(True, "unistr", name, ps, depth);
}
-
diff --git a/source3/rpc_parse/parse_reg.c b/source3/rpc_parse/parse_reg.c
index 4f9a9350bd..5512f78499 100644
--- a/source3/rpc_parse/parse_reg.c
+++ b/source3/rpc_parse/parse_reg.c
@@ -135,7 +135,8 @@ static void reg_io_hdrbuf_sec(uint32 ptr, uint32 *ptr3, BUFHDR *hdr_sec, SEC_DES
}
if (ptr3 == NULL || *ptr3 != 0)
{
- sec_io_desc_buf("data ", data , ps, depth);
+ /* JRA - this line is probably wrong... */
+ sec_io_desc_buf("data ", &data , ps, depth);
}
smb_io_hdrbuf_post("hdr_sec", hdr_sec, ps, depth, hdr_offset,
data->max_len, data->len);
@@ -145,15 +146,13 @@ static void reg_io_hdrbuf_sec(uint32 ptr, uint32 *ptr3, BUFHDR *hdr_sec, SEC_DES
}
-
/*******************************************************************
creates a structure.
********************************************************************/
void make_reg_q_create_key(REG_Q_CREATE_KEY *q_c, POLICY_HND *hnd,
char *name, char *class,
SEC_ACCESS *sam_access,
- SEC_DESC_BUF *sec_buf,
- int sec_len, SEC_DESC *sec)
+ SEC_DESC_BUF *sec_buf)
{
int len_name = name != NULL ? strlen(name ) + 1: 0;
int len_class = class != NULL ? strlen(class) + 1: 0;
@@ -176,9 +175,8 @@ void make_reg_q_create_key(REG_Q_CREATE_KEY *q_c, POLICY_HND *hnd,
q_c->data = sec_buf;
q_c->ptr2 = 1;
- make_buf_hdr(&(q_c->hdr_sec), sec_len, sec_len);
+ make_buf_hdr(&(q_c->hdr_sec), sec_buf->len, sec_buf->len);
q_c->ptr3 = 1;
- make_sec_desc_buf(q_c->data, sec_len, sec);
q_c->unknown_2 = 0x00000000;
}
@@ -547,8 +545,8 @@ void reg_io_r_close(char *desc, REG_R_CLOSE *r_u, prs_struct *ps, int depth)
/*******************************************************************
makes a structure.
********************************************************************/
-void make_reg_q_set_key_sec(REG_Q_SET_KEY_SEC *q_i, POLICY_HND *pol,
- uint32 buf_len, SEC_DESC *sec_desc)
+void make_reg_q_set_key_sec(REG_Q_SET_KEY_SEC *q_i, POLICY_HND *pol,
+ SEC_DESC_BUF *sec_desc_buf)
{
if (q_i == NULL) return;
@@ -557,8 +555,8 @@ void make_reg_q_set_key_sec(REG_Q_SET_KEY_SEC *q_i, POLICY_HND *pol,
q_i->sec_info = DACL_SECURITY_INFORMATION;
q_i->ptr = 1;
- make_buf_hdr(&(q_i->hdr_sec), buf_len, buf_len);
- make_sec_desc_buf(q_i->data, buf_len, sec_desc);
+ make_buf_hdr(&(q_i->hdr_sec), sec_desc_buf->len, sec_desc_buf->len);
+ q_i->data = sec_desc_buf;
}
/*******************************************************************
@@ -601,7 +599,7 @@ void reg_io_r_set_key_sec(char *desc, REG_R_SET_KEY_SEC *r_q, prs_struct *ps, in
makes a structure.
********************************************************************/
void make_reg_q_get_key_sec(REG_Q_GET_KEY_SEC *q_i, POLICY_HND *pol,
- uint32 buf_len, SEC_DESC_BUF *sec_buf)
+ uint32 sec_buf_size, SEC_DESC_BUF *psdb)
{
if (q_i == NULL) return;
@@ -611,14 +609,10 @@ void make_reg_q_get_key_sec(REG_Q_GET_KEY_SEC *q_i, POLICY_HND *pol,
GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION;
- q_i->ptr = sec_buf != NULL ? 1 : 0;
- q_i->data = sec_buf;
+ q_i->ptr = psdb != NULL ? 1 : 0;
+ q_i->data = psdb;
- if (sec_buf != NULL)
- {
- make_buf_hdr(&(q_i->hdr_sec), buf_len, 0);
- make_sec_desc_buf(q_i->data, buf_len, NULL);
- }
+ make_buf_hdr(&(q_i->hdr_sec), sec_buf_size, 0);
}
/*******************************************************************
@@ -675,8 +669,7 @@ void reg_io_r_get_key_sec(char *desc, REG_R_GET_KEY_SEC *r_q, prs_struct *ps, i
if (r_q->ptr != 0)
{
- smb_io_hdrbuf("", &(r_q->hdr_sec), ps, depth);
- sec_io_desc_buf("", r_q->data, ps, depth);
+ sec_io_desc_buf("", &r_q->data, ps, depth);
prs_align(ps);
}
diff --git a/source3/rpc_parse/parse_sec.c b/source3/rpc_parse/parse_sec.c
index 409146901d..886b3f334a 100644
--- a/source3/rpc_parse/parse_sec.c
+++ b/source3/rpc_parse/parse_sec.c
@@ -2,10 +2,10 @@
* Unix SMB/Netbios implementation.
* Version 1.9.
* RPC Pipe client / server routines
- * Copyright (C) Andrew Tridgell 1992-1998,
- * Copyright (C) Jeremy R. Allison 1995-1998
- * Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
- * Copyright (C) Paul Ashton 1997-1998.
+ * Copyright (C) Andrew Tridgell 1992-1999,
+ * Copyright (C) Jeremy R. Allison 1995-1999
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1999,
+ * Copyright (C) Paul Ashton 1997-1999.
*
* 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
@@ -29,19 +29,24 @@ extern int DEBUGLEVEL;
/*******************************************************************
-makes a structure.
+ Sets up a SEC_ACCESS structure.
********************************************************************/
-void make_sec_access(SEC_ACCESS *t, uint32 mask)
+
+void init_sec_access(SEC_ACCESS *t, uint32 mask)
{
t->mask = mask;
}
/*******************************************************************
-reads or writes a structure.
+ Reads or writes a SEC_ACCESS structure.
********************************************************************/
-void sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
+
+BOOL sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
{
- if (t == NULL) return;
+ if (t == NULL)
+ {
+ return False;
+ }
prs_debug(ps, depth, desc, "sec_io_access");
depth++;
@@ -49,30 +54,39 @@ void sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
prs_align(ps);
prs_uint32("mask", ps, depth, &(t->mask));
+ return True;
}
/*******************************************************************
-makes a structure.
+ Sets up a SEC_ACE structure.
********************************************************************/
-void make_sec_ace(SEC_ACE *t, DOM_SID *sid, uint8 type, SEC_ACCESS mask, uint8 flag)
+
+void init_sec_ace(SEC_ACE *t, DOM_SID *sid, uint8 type, SEC_ACCESS mask,
+ uint8 flag)
{
t->type = type;
t->flags = flag;
t->size = sid_size(sid) + 8;
t->info = mask;
+ ZERO_STRUCTP(&t->sid);
sid_copy(&t->sid, sid);
}
/*******************************************************************
-reads or writes a structure.
+ Reads or writes a SEC_ACE structure.
********************************************************************/
-void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
+
+BOOL sec_io_ace(char *desc, SEC_ACE *psa, prs_struct *ps, int depth)
{
uint32 old_offset;
uint32 offset_ace_size;
- if (t == NULL) return;
+
+ if (psa == NULL)
+ {
+ return False;
+ }
prs_debug(ps, depth, desc, "sec_io_ace");
depth++;
@@ -81,58 +95,132 @@ void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
old_offset = ps->offset;
- prs_uint8 ("type ", ps, depth, &(t->type));
- prs_uint8 ("flags", ps, depth, &(t->flags));
- prs_uint16_pre("size ", ps, depth, &(t->size ), &offset_ace_size);
+ prs_uint8 ("type ", ps, depth, &psa->type);
+ prs_uint8 ("flags", ps, depth, &psa->flags);
+ prs_uint16_pre("size ", ps, depth, &psa->size, &offset_ace_size);
+
+ if (!sec_io_access("info ", &psa->info, ps, depth))
+ {
+ return False;
+ }
- sec_io_access ("info ", &t->info, ps, depth);
prs_align(ps);
- smb_io_dom_sid("sid ", &t->sid , ps, depth);
+ if (!smb_io_dom_sid("sid ", &psa->sid , ps, depth))
+ {
+ return False;
+ }
- prs_uint16_post("size ", ps, depth, &t->size, offset_ace_size, old_offset);
+
+ prs_uint16_post("size ", ps, depth, &psa->size, offset_ace_size, old_offset);
+ return True;
}
/*******************************************************************
-makes a structure.
+ Create a SEC_ACL structure.
********************************************************************/
-void make_sec_acl(SEC_ACL *t, uint16 revision, int num_aces, SEC_ACE *ace)
+
+SEC_ACL *make_sec_acl(uint16 revision, int num_aces, SEC_ACE *ace_list)
{
+ SEC_ACL *dst;
int i;
- t->revision = revision;
- t->num_aces = num_aces;
- t->size = 4;
- t->ace = ace;
+
+ dst = (SEC_ACL *)malloc(sizeof(SEC_ACL));
+ if (dst == NULL)
+ {
+ return NULL;
+ }
+
+ ZERO_STRUCTP(dst);
+
+ dst->revision = revision;
+ dst->num_aces = num_aces;
+ dst->size = 4;
+
+ if ((dst->ace_list = (SEC_ACE *)malloc( sizeof(SEC_ACE) * num_aces )) == NULL) {
+ free_sec_acl(&dst);
+ return NULL;
+ }
for (i = 0; i < num_aces; i++)
{
- t->size += ace[i].size;
+ dst->ace_list[i] = ace_list[i]; /* Structure copy. */
+ dst->size += ace_list[i].size;
}
+
+ return dst;
}
/*******************************************************************
-frees a structure.
+ Duplicate a SEC_ACL structure.
********************************************************************/
-void free_sec_acl(SEC_ACL *t)
+
+SEC_ACL *dup_sec_acl( SEC_ACL *src)
{
- if (t->ace != NULL)
+ if (src == NULL)
{
- free(t->ace);
+ return NULL;
}
+
+ return make_sec_acl( src->revision, src->num_aces, src->ace_list);
}
/*******************************************************************
-reads or writes a structure.
+ Delete a SEC_ACL structure.
+********************************************************************/
-first of the xx_io_xx functions that allocates its data structures
-for you as it reads them.
+void free_sec_acl(SEC_ACL **ppsa)
+{
+ SEC_ACL *psa;
+
+ if (ppsa == NULL || *ppsa == NULL)
+ {
+ return;
+ }
+
+ psa = *ppsa;
+ if (psa->ace_list != NULL)
+ {
+ free(psa->ace_list);
+ }
+
+ free(psa);
+ *ppsa = NULL;
+}
+
+/*******************************************************************
+ Reads or writes a SEC_ACL structure.
+
+ First of the xx_io_xx functions that allocates its data structures
+ for you as it reads them.
********************************************************************/
-void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
+
+BOOL sec_io_acl(char *desc, SEC_ACL **ppsa, prs_struct *ps, int depth)
{
int i;
uint32 old_offset;
uint32 offset_acl_size;
+ SEC_ACL *psa;
- if (t == NULL) return;
+ if (ppsa == NULL)
+ {
+ return False;
+ }
+
+ psa = *ppsa;
+
+ if (ps->io && psa == NULL)
+ {
+ /*
+ * This is a read and we must allocate the stuct to read into.
+ */
+ psa = (SEC_ACL *)malloc(sizeof(SEC_ACL));
+ if (psa == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psa);
+ *ppsa = psa;
+ }
prs_debug(ps, depth, desc, "sec_io_acl");
depth++;
@@ -141,147 +229,216 @@ void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
old_offset = ps->offset;
- prs_uint16("revision", ps, depth, &(t->revision));
- prs_uint16_pre("size ", ps, depth, &(t->size ), &offset_acl_size);
- prs_uint32("num_aces ", ps, depth, &(t->num_aces ));
+ prs_uint16("revision", ps, depth, &psa->revision);
+ prs_uint16_pre("size ", ps, depth, &psa->size, &offset_acl_size);
+ prs_uint32("num_aces ", ps, depth, &psa->num_aces);
- if (ps->io && t->num_aces != 0)
+ if (ps->io && psa->num_aces != 0)
{
/* reading */
- t->ace = malloc(sizeof(t->ace[0]) * t->num_aces);
- ZERO_STRUCTP(t->ace);
- }
-
- if (t->ace == NULL && t->num_aces != 0)
- {
- DEBUG(0,("INVALID ACL\n"));
- ps->offset = 0xfffffffe;
- return;
+ psa->ace_list = malloc(sizeof(psa->ace_list[0]) * psa->num_aces);
+ if (psa->ace_list == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psa->ace_list);
}
- for (i = 0; i < MIN(t->num_aces, MAX_SEC_ACES); i++)
+ for (i = 0; i < MIN(psa->num_aces, MAX_SEC_ACES); i++)
{
fstring tmp;
- slprintf(tmp, sizeof(tmp)-1, "ace[%02d]: ", i);
- sec_io_ace(tmp, &t->ace[i], ps, depth);
+ slprintf(tmp, sizeof(tmp)-1, "ace_list[%02d]: ", i);
+ if (!sec_io_ace(tmp, &psa->ace_list[i], ps, depth))
+ {
+ return False;
+ }
}
prs_align(ps);
- prs_uint16_post("size ", ps, depth, &t->size , offset_acl_size, old_offset);
+ prs_uint16_post("size ", ps, depth, &psa->size, offset_acl_size, old_offset);
+
+ return True;
}
/*******************************************************************
-makes a structure
+ Creates a SEC_DESC structure
********************************************************************/
-int make_sec_desc(SEC_DESC *t, uint16 revision, uint16 type,
- DOM_SID *owner_sid, DOM_SID *grp_sid,
- SEC_ACL *sacl, SEC_ACL *dacl)
+
+SEC_DESC *make_sec_desc(uint16 revision, uint16 type,
+ DOM_SID *owner_sid, DOM_SID *grp_sid,
+ SEC_ACL *sacl, SEC_ACL *dacl, size_t *sec_desc_size)
{
+ SEC_DESC *dst;
uint32 offset;
- t->revision = revision;
- t->type = type;
+ *sec_desc_size = 0;
+
+ dst = (SEC_DESC *)malloc(sizeof(SEC_DESC));
+
+ if (dst == NULL)
+ {
+ return NULL;
+ }
- t->off_owner_sid = 0;
- t->off_grp_sid = 0;
- t->off_sacl = 0;
- t->off_dacl = 0;
+ ZERO_STRUCTP(dst);
- t->dacl = dacl;
- t->sacl = sacl;
- t->owner_sid = owner_sid;
- t->grp_sid = grp_sid;
+ dst->revision = revision;
+ dst->type = type;
+
+ dst->off_owner_sid = 0;
+ dst->off_grp_sid = 0;
+ dst->off_sacl = 0;
+ dst->off_dacl = 0;
+
+ /* duplicate sids and acls as necessary */
+
+ if (dacl != NULL) dst->dacl = dup_sec_acl(dacl);
+ if (sacl != NULL) dst->sacl = dup_sec_acl(sacl);
+ if (owner_sid != NULL) dst->owner_sid = sid_dup(owner_sid);
+ if (grp_sid != NULL) dst->grp_sid = sid_dup(grp_sid);
+
+ /* having duplicated sids and acls as necessary, check success */
+
+ if ((dacl != NULL && dst->dacl == NULL) ||
+ (sacl != NULL && dst->sacl == NULL) ||
+ (owner_sid != NULL && dst->owner_sid == NULL) ||
+ (grp_sid != NULL && dst->grp_sid == NULL))
+ {
+ *sec_desc_size = 0;
+ free_sec_desc(&dst);
+
+ return NULL;
+ }
offset = 0x0;
- if (dacl != NULL)
+ /*
+ * Work out the linearization sizes.
+ */
+
+ if (dst->dacl != NULL)
{
if (offset == 0)
{
offset = 0x14;
}
- t->off_dacl = offset;
+ dst->off_dacl = offset;
offset += dacl->size;
}
- if (sacl != NULL)
+ if (dst->sacl != NULL)
{
if (offset == 0)
{
offset = 0x14;
}
- t->off_dacl = offset;
- offset += dacl->size;
+ dst->off_sacl = offset;
+ offset += sacl->size;
}
- if (owner_sid != NULL)
+ if (dst->owner_sid != NULL)
{
if (offset == 0)
{
offset = 0x14;
}
- t->off_owner_sid = offset;
- offset += sid_size(owner_sid);
+ dst->off_owner_sid = offset;
+ offset += sid_size(dst->owner_sid);
}
- if (grp_sid != NULL)
+ if (dst->grp_sid != NULL)
{
if (offset == 0)
{
offset = 0x14;
}
- t->off_grp_sid = offset;
- offset += sid_size(grp_sid);
+ dst->off_grp_sid = offset;
+ offset += sid_size(dst->grp_sid);
}
- return (offset == 0) ? 0x14 : offset;
+ *sec_desc_size = (size_t)((offset == 0) ? 0x14 : offset);
+ return dst;
}
+/*******************************************************************
+ Duplicate a SEC_DESC structure.
+********************************************************************/
+
+SEC_DESC *dup_sec_desc( SEC_DESC *src)
+{
+ size_t dummy;
+
+ if (src == NULL)
+ return NULL;
+
+ return make_sec_desc( src->revision, src->type,
+ src->owner_sid, src->grp_sid, src->sacl,
+ src->dacl, &dummy);
+}
/*******************************************************************
-frees a structure
+ Deletes a SEC_DESC structure
********************************************************************/
-void free_sec_desc(SEC_DESC *t)
+
+void free_sec_desc(SEC_DESC **ppsd)
{
- if (t->dacl != NULL)
- {
- free_sec_acl(t->dacl);
- }
+ SEC_DESC *psd;
- if (t->sacl != NULL)
+ if (ppsd == NULL || *ppsd == NULL)
{
- free_sec_acl(t->dacl);
+ return;
}
- if (t->owner_sid != NULL)
- {
- free(t->owner_sid);
- }
+ psd = *ppsd;
- if (t->grp_sid != NULL)
- {
- free(t->grp_sid);
- }
+ free_sec_acl(&psd->dacl);
+ free_sec_acl(&psd->dacl);
+ free(psd->owner_sid);
+ free(psd->grp_sid);
+ free(psd);
+ *ppsd = NULL;
+}
+
+/*******************************************************************
+ Creates a SEC_DESC structure with typical defaults.
+********************************************************************/
+
+SEC_DESC *make_standard_sec_desc(DOM_SID *owner_sid, DOM_SID *grp_sid,
+ SEC_ACL *dacl, size_t *sec_desc_size)
+{
+ return make_sec_desc(1, SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
+ owner_sid, grp_sid, NULL, dacl, sec_desc_size);
}
/*******************************************************************
-reads or writes a structure.
+ Reads or writes a SEC_DESC structure.
+ If reading and the *ppsd = NULL, allocates the structure.
********************************************************************/
-static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
+
+BOOL sec_io_desc(char *desc, SEC_DESC **ppsd, prs_struct *ps, int depth)
{
-#if 0
- uint32 off_owner_sid;
- uint32 off_grp_sid ;
- uint32 off_sacl ;
- uint32 off_dacl ;
-#endif
uint32 old_offset;
uint32 max_offset = 0; /* after we're done, move offset to end */
+ SEC_DESC *psd;
+
+ if (ppsd == NULL)
+ return False;
+
+ psd = *ppsd;
- if (t == NULL) return;
+ if (ps->io && psd == NULL)
+ {
+ psd = (SEC_DESC *)malloc(sizeof(SEC_DESC));
+ if (psd == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psd);
+ *ppsd = psd;
+ }
prs_debug(ps, depth, desc, "sec_io_desc");
depth++;
@@ -291,218 +448,207 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
/* start of security descriptor stored for back-calc offset purposes */
old_offset = ps->offset;
- prs_uint16("revision ", ps, depth, &(t->revision ));
- prs_uint16("type ", ps, depth, &(t->type ));
-
- prs_uint32("off_owner_sid", ps, depth, &(t->off_owner_sid));
- prs_uint32("off_grp_sid ", ps, depth, &(t->off_grp_sid ));
- prs_uint32("off_sacl ", ps, depth, &(t->off_sacl ));
- prs_uint32("off_dacl ", ps, depth, &(t->off_dacl ));
-#if 0
- prs_uint32_pre("off_owner_sid", ps, depth, &(t->off_owner_sid), &off_owner_sid);
- prs_uint32_pre("off_grp_sid ", ps, depth, &(t->off_grp_sid ), &off_grp_sid );
- prs_uint32_pre("off_sacl ", ps, depth, &(t->off_sacl ), &off_sacl );
- prs_uint32_pre("off_dacl ", ps, depth, &(t->off_dacl ), &off_dacl );
-#endif
+ prs_uint16("revision ", ps, depth, &psd->revision);
+ prs_uint16("type ", ps, depth, &psd->type);
+
+ prs_uint32("off_owner_sid", ps, depth, &psd->off_owner_sid);
+ prs_uint32("off_grp_sid ", ps, depth, &psd->off_grp_sid);
+ prs_uint32("off_sacl ", ps, depth, &psd->off_sacl);
+ prs_uint32("off_dacl ", ps, depth, &psd->off_dacl);
+
max_offset = MAX(max_offset, ps->offset);
- if (IS_BITS_SET_ALL(t->type, SEC_DESC_DACL_PRESENT))
+ if (IS_BITS_SET_ALL(psd->type, SEC_DESC_DACL_PRESENT) && psd->dacl)
{
-#if 0
- prs_uint32_post("off_dacl ", ps, depth, &(t->off_dacl ), off_dacl , ps->offset - old_offset);
-#endif
- ps->offset = old_offset + t->off_dacl;
- if (ps->io)
+ ps->offset = old_offset + psd->off_dacl;
+ if (!sec_io_acl("dacl", &psd->dacl, ps, depth))
{
- /* reading */
- t->dacl = malloc(sizeof(*t->dacl));
- ZERO_STRUCTP(t->dacl);
- }
-
- if (t->dacl == NULL)
- {
- DEBUG(0,("INVALID DACL\n"));
- ps->offset = 0xfffffffe;
- return;
+ return False;
}
-
- sec_io_acl ("dacl" , t->dacl , ps, depth);
prs_align(ps);
}
-#if 0
- else
- {
- prs_uint32_post("off_dacl ", ps, depth, &(t->off_dacl ), off_dacl , 0);
- }
-#endif
max_offset = MAX(max_offset, ps->offset);
- if (IS_BITS_SET_ALL(t->type, SEC_DESC_SACL_PRESENT))
+ if (IS_BITS_SET_ALL(psd->type, SEC_DESC_SACL_PRESENT) && psd->sacl)
{
-#if 0
- prs_uint32_post("off_sacl ", ps, depth, &(t->off_sacl ), off_sacl , ps->offset - old_offset);
-#endif
- ps->offset = old_offset + t->off_sacl;
- if (ps->io)
+ ps->offset = old_offset + psd->off_sacl;
+ if (!sec_io_acl("sacl", &psd->sacl, ps, depth))
{
- /* reading */
- t->sacl = malloc(sizeof(*t->sacl));
- ZERO_STRUCTP(t->sacl);
+ return False;
}
-
- if (t->sacl == NULL)
- {
- DEBUG(0,("INVALID SACL\n"));
- ps->offset = 0xfffffffe;
- return;
- }
-
- sec_io_acl ("sacl" , t->sacl , ps, depth);
prs_align(ps);
}
-#if 0
- else
- {
- prs_uint32_post("off_sacl ", ps, depth, &(t->off_sacl ), off_sacl , 0);
- }
-#endif
max_offset = MAX(max_offset, ps->offset);
-#if 0
- prs_uint32_post("off_owner_sid", ps, depth, &(t->off_owner_sid), off_owner_sid, ps->offset - old_offset);
-#endif
- if (t->off_owner_sid != 0)
+ if (psd->off_owner_sid != 0)
{
if (ps->io)
{
- ps->offset = old_offset + t->off_owner_sid;
- }
- if (ps->io)
- {
+ ps->offset = old_offset + psd->off_owner_sid;
/* reading */
- t->owner_sid = malloc(sizeof(*t->owner_sid));
- ZERO_STRUCTP(t->owner_sid);
+ psd->owner_sid = malloc(sizeof(*psd->owner_sid));
+ if (psd->owner_sid == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psd->owner_sid);
}
- if (t->owner_sid == NULL)
+ if (!smb_io_dom_sid("owner_sid ", psd->owner_sid , ps, depth))
{
- DEBUG(0,("INVALID OWNER SID\n"));
- ps->offset = 0xfffffffe;
- return;
+ return False;
}
-
- smb_io_dom_sid("owner_sid ", t->owner_sid , ps, depth);
prs_align(ps);
}
max_offset = MAX(max_offset, ps->offset);
-#if 0
- prs_uint32_post("off_grp_sid ", ps, depth, &(t->off_grp_sid ), off_grp_sid , ps->offset - old_offset);
-#endif
- if (t->off_grp_sid != 0)
+ if (psd->off_grp_sid != 0)
{
if (ps->io)
{
- ps->offset = old_offset + t->off_grp_sid;
- }
- if (ps->io)
- {
/* reading */
- t->grp_sid = malloc(sizeof(*t->grp_sid));
- ZERO_STRUCTP(t->grp_sid);
+ ps->offset = old_offset + psd->off_grp_sid;
+ psd->grp_sid = malloc(sizeof(*psd->grp_sid));
+ if (psd->grp_sid == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psd->grp_sid);
}
- if (t->grp_sid == NULL)
+ if (!smb_io_dom_sid("grp_sid", psd->grp_sid, ps, depth))
{
- DEBUG(0,("INVALID GROUP SID\n"));
- ps->offset = 0xfffffffe;
- return;
+ return False;
}
-
- smb_io_dom_sid("grp_sid", t->grp_sid, ps, depth);
prs_align(ps);
}
max_offset = MAX(max_offset, ps->offset);
ps->offset = max_offset;
+ return True;
}
/*******************************************************************
-creates a SEC_DESC_BUF structure.
+ Creates a SEC_DESC_BUF structure.
********************************************************************/
-void make_sec_desc_buf(SEC_DESC_BUF *buf, int len, SEC_DESC *data)
+
+SEC_DESC_BUF *make_sec_desc_buf(int len, SEC_DESC *sec_desc)
{
- ZERO_STRUCTP(buf);
+ SEC_DESC_BUF *dst;
+
+ dst = (SEC_DESC_BUF *)malloc(sizeof(SEC_DESC_BUF));
+ if (dst == NULL)
+ {
+ return NULL;
+ }
+
+ ZERO_STRUCTP(dst);
/* max buffer size (allocated size) */
- buf->max_len = len;
- buf->undoc = 0;
- buf->len = data != NULL ? len : 0;
- buf->sec = data;
+ dst->max_len = len;
+ dst->len = len;
+
+ if (sec_desc && ((dst->sec = dup_sec_desc(sec_desc)) == NULL))
+ {
+ free_sec_desc_buf(&dst);
+ return NULL;
+ }
+
+ return dst;
}
/*******************************************************************
-frees a SEC_DESC_BUF structure.
+ Duplicates a SEC_DESC_BUF structure.
********************************************************************/
-void free_sec_desc_buf(SEC_DESC_BUF *buf)
+
+SEC_DESC_BUF *dup_sec_desc_buf(SEC_DESC_BUF *src)
{
- if (buf->sec != NULL)
+ if (src == NULL)
{
- free_sec_desc(buf->sec);
- free(buf->sec);
+ return NULL;
}
+
+ return make_sec_desc_buf( src->len, src->sec);
+}
+
+/*******************************************************************
+ Deletes a SEC_DESC_BUF structure.
+********************************************************************/
+
+void free_sec_desc_buf(SEC_DESC_BUF **ppsdb)
+{
+ SEC_DESC_BUF *psdb;
+
+ if (ppsdb == NULL || *ppsdb == NULL)
+ {
+ return;
+ }
+
+ psdb = *ppsdb;
+ free_sec_desc(&psdb->sec);
+ free(psdb);
+ *ppsdb = NULL;
}
/*******************************************************************
-reads or writes a SEC_DESC_BUF structure.
+ Reads or writes a SEC_DESC_BUF structure.
********************************************************************/
-void sec_io_desc_buf(char *desc, SEC_DESC_BUF *sec, prs_struct *ps, int depth)
+
+BOOL sec_io_desc_buf(char *desc, SEC_DESC_BUF **ppsdb, prs_struct *ps, int depth)
{
uint32 off_len;
uint32 off_max_len;
uint32 old_offset;
uint32 size;
+ SEC_DESC_BUF *psdb;
+
+ if (ppsdb == NULL)
+ {
+ return False;
+ }
+
+ psdb = *ppsdb;
- if (sec == NULL) return;
+ if (ps->io && psdb == NULL)
+ {
+ psdb = (SEC_DESC_BUF *)malloc(sizeof(SEC_DESC_BUF));
+ if (psdb == NULL)
+ {
+ return False;
+ }
+ ZERO_STRUCTP(psdb);
+ *ppsdb = psdb;
+ }
prs_debug(ps, depth, desc, "sec_io_desc_buf");
depth++;
prs_align(ps);
- prs_uint32_pre("max_len", ps, depth, &(sec->max_len), &off_max_len);
- prs_uint32 ("undoc ", ps, depth, &(sec->undoc ));
- prs_uint32_pre("len ", ps, depth, &(sec->len ), &off_len);
+ prs_uint32_pre("max_len", ps, depth, &psdb->max_len, &off_max_len);
+ prs_uint32 ("undoc ", ps, depth, &psdb->undoc);
+ prs_uint32_pre("len ", ps, depth, &psdb->len, &off_len);
old_offset = ps->offset;
- if (sec->len != 0 && ps->io)
+ /* reading, length is non-zero; writing, descriptor is non-NULL */
+ if ((psdb->len != 0 || (!ps->io)) && psdb->sec != NULL)
{
- /* reading */
- sec->sec = malloc(sizeof(*sec->sec));
- ZERO_STRUCTP(sec->sec);
-
- if (sec->sec == NULL)
+ if (!sec_io_desc("sec ", &psdb->sec, ps, depth))
{
- DEBUG(0,("INVALID SEC_DESC\n"));
- ps->offset = 0xfffffffe;
- return;
+ return False;
}
}
- /* reading, length is non-zero; writing, descriptor is non-NULL */
- if ((sec->len != 0 || (!ps->io)) && sec->sec != NULL)
- {
- sec_io_desc("sec ", sec->sec, ps, depth);
- }
-
size = ps->offset - old_offset;
- prs_uint32_post("max_len", ps, depth, &(sec->max_len), off_max_len, size == 0 ? sec->max_len : size);
- prs_uint32_post("len ", ps, depth, &(sec->len ), off_len , size);
+ prs_uint32_post("max_len", ps, depth, &psdb->max_len, off_max_len, size == 0 ? psdb->max_len : size);
+ prs_uint32_post("len ", ps, depth, &psdb->len, off_len, size);
+
+ return True;
}