From 188c5195ede9825f30845f4aab549390ac67887e Mon Sep 17 00:00:00 2001
From: Martin Pool <mbp@samba.org>
Date: Tue, 18 Feb 2003 07:05:02 +0000
Subject: Check return code of string_to_sid.  (Merge from HEAD) (This used to
 be commit 5d09aea6f78aa247dbd77617c93c2a1dd2e2702f)

---
 source3/rpc_parse/parse_net.c | 48 +++++++++++++++++++++++--------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

(limited to 'source3/rpc_parse/parse_net.c')

diff --git a/source3/rpc_parse/parse_net.c b/source3/rpc_parse/parse_net.c
index 1e31836476..007cf9e25d 100644
--- a/source3/rpc_parse/parse_net.c
+++ b/source3/rpc_parse/parse_net.c
@@ -873,10 +873,12 @@ static int init_dom_sid2s(TALLOC_CTX *ctx, const char *sids_str, DOM_SID2 **ppsi
 		int number;
 		DOM_SID2 *sids;
 
-		/* Count the number of SIDs. */
-		for (count = 0, ptr = sids_str; 
-	   	  next_token(&ptr, s2, NULL, sizeof(s2)); count++)
-			;
+		/* Count the number of valid SIDs. */
+		for (count = 0, ptr = sids_str; next_token(&ptr, s2, NULL, sizeof(s2)); ) {
+			DOM_SID tmpsid;
+			if (string_to_sid(&tmpsid, s2))
+				count++;
+		}
 
 		/* Now allocate space for them. */
 		*ppsids = (DOM_SID2 *)talloc_zero(ctx, count * sizeof(DOM_SID2));
@@ -885,11 +887,13 @@ static int init_dom_sid2s(TALLOC_CTX *ctx, const char *sids_str, DOM_SID2 **ppsi
 
 		sids = *ppsids;
 
-		for (number = 0, ptr = sids_str; 
-	   	  next_token(&ptr, s2, NULL, sizeof(s2)); number++) {
+		for (number = 0, ptr = sids_str; next_token(&ptr, s2, NULL, sizeof(s2)); ) {
 			DOM_SID tmpsid;
-			string_to_sid(&tmpsid, s2);
-			init_dom_sid2(&sids[number], &tmpsid);
+			if (string_to_sid(&tmpsid, s2)) {
+				/* count only valid sids */
+				init_dom_sid2(&sids[number], &tmpsid);
+				number++;
+			}
 		}
 	}
 
@@ -1804,9 +1808,9 @@ static BOOL net_io_sam_domain_info(const char *desc, SAM_DOMAIN_INFO * info,
 	if (!smb_io_unihdr("hdr_unknown", &info->hdr_unknown, ps, depth))
                 return False;
 
-	if (prs_offset(ps) + 40 > prs_data_size(ps))
+	if (ps->data_offset + 40 > ps->buffer_size)
                 return False;
-        prs_set_offset(ps, prs_offset(ps) + 40);
+        ps->data_offset += 40;
 
 	if (!smb_io_unistr2("uni_dom_name", &info->uni_dom_name,
                             info->hdr_dom_name.buffer, ps, depth))
@@ -1843,9 +1847,9 @@ static BOOL net_io_sam_group_info(const char *desc, SAM_GROUP_INFO * info,
 	if (!smb_io_bufhdr2("hdr_sec_desc", &info->hdr_sec_desc, ps, depth))
                 return False;
 
-	if (prs_offset(ps) + 48 > prs_data_size(ps))
+        if (ps->data_offset + 48 > ps->buffer_size)
                 return False;
-        prs_set_offset(ps, prs_offset(ps) + 48);
+	ps->data_offset += 48;
 
 	if (!smb_io_unistr2("uni_grp_name", &info->uni_grp_name,
                             info->hdr_grp_name.buffer, ps, depth))
@@ -2124,13 +2128,13 @@ static BOOL net_io_sam_account_info(const char *desc, uint8 sess_key[16],
 		uint32 len = 0x44;
 		if (!prs_uint32("pwd_len", ps, depth, &len))
                         return False;
-		old_offset = prs_offset(ps);
+		old_offset = ps->data_offset;
 		if (len == 0x44)
 		{
 			if (ps->io)
 			{
 				/* reading */
-                                if (!prs_hash1(ps, prs_offset(ps), sess_key))
+                                if (!prs_hash1(ps, ps->data_offset, sess_key))
                                         return False;
 			}
 			if (!net_io_sam_passwd_info("pass", &info->pass, 
@@ -2144,9 +2148,9 @@ static BOOL net_io_sam_account_info(const char *desc, uint8 sess_key[16],
                                         return False;
 			}
 		}
-                if (old_offset + len > prs_data_size(ps))
+                if (old_offset + len > ps->buffer_size)
                         return False;
-		prs_set_offset(ps, old_offset + len);
+		ps->data_offset = old_offset + len;
 	}
 	if (!smb_io_buffer4("buf_sec_desc", &info->buf_sec_desc,
                             info->hdr_sec_desc.buffer, ps, depth))
@@ -2181,9 +2185,9 @@ static BOOL net_io_sam_group_mem_info(const char *desc, SAM_GROUP_MEM_INFO * inf
 	if (!prs_uint32("num_members", ps, depth, &info->num_members))
                 return False;
 
-        if (prs_offset(ps) + 16 > prs_data_size(ps))
+        if (ps->data_offset + 16 > ps->buffer_size)
                 return False;
-	prs_set_offset(ps, prs_offset(ps) + 16);
+	ps->data_offset += 16;
 
 	if (info->ptr_rids != 0)
 	{
@@ -2263,9 +2267,9 @@ static BOOL net_io_sam_alias_info(const char *desc, SAM_ALIAS_INFO * info,
 	if (!smb_io_unihdr("hdr_als_desc", &info->hdr_als_desc, ps, depth))
                 return False;
 
-        if (prs_offset(ps) + 40 > prs_data_size(ps))
+        if (ps->data_offset + 40 > ps->buffer_size)
                 return False;
-	prs_set_offset(ps, prs_offset(ps) + 40);
+	ps->data_offset += 40;
 
 	if (!smb_io_unistr2("uni_als_name", &info->uni_als_name,
                             info->hdr_als_name.buffer, ps, depth))
@@ -2300,9 +2304,9 @@ static BOOL net_io_sam_alias_mem_info(const char *desc, SAM_ALIAS_MEM_INFO * inf
 
 	if (info->ptr_members != 0)
 	{
-                if (prs_offset(ps) + 16 > prs_data_size(ps))
+                if (ps->data_offset + 16 > ps->buffer_size)
                         return False;
-                prs_set_offset(ps, prs_offset(ps) + 16);
+                ps->data_offset += 16;
 
 		if (!prs_uint32("num_sids", ps, depth, &info->num_sids))
                         return False;
-- 
cgit