security descriptors.

kanji const char* warnings.
(This used to be commit 06abdfd68e1d7fa8741afc3f56ec7a13b5fa4ccc)

1 files changed, 255 insertions, 15 deletions

diff --git a/source3/rpc_parse/parse_sec.c b/source3/rpc_parse/parse_sec.c
index 7ef6914108..b3c75fb0dc 100644
--- a/source3/rpc_parse/parse_sec.c
+++ b/source3/rpc_parse/parse_sec.c
@@ -1,11 +1,11 @@
-
 /* 
  *  Unix SMB/Netbios implementation.
  *  Version 1.9.
  *  RPC Pipe client / server routines
- *  Copyright (C) Andrew Tridgell              1992-1997,
- *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
- *  Copyright (C) Paul Ashton                       1997.
+ *  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.
  *  
  *  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
@@ -29,18 +29,40 @@ extern int DEBUGLEVEL;
 
 
 /*******************************************************************
+makes a structure.
+********************************************************************/
+void make_sec_access(SEC_ACCESS *t, uint32 mask)
+{
+	t->mask = mask;
+}
+
+/*******************************************************************
 reads or writes a structure.
 ********************************************************************/
-void sec_io_info(char *desc, SEC_INFO *t, prs_struct *ps, int depth)
+void sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
 {
 	if (t == NULL) return;
 
-	prs_debug(ps, depth, desc, "sec_io_info");
+	prs_debug(ps, depth, desc, "sec_io_access");
 	depth++;
 
 	prs_align(ps);
 	
-	prs_uint32("perms", ps, depth, &(t->perms));
+	prs_uint32("mask", ps, depth, &(t->mask));
+}
+
+
+/*******************************************************************
+makes a structure.
+********************************************************************/
+void make_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;
+
+	sid_copy(&t->sid, sid);
 }
 
 /*******************************************************************
@@ -63,7 +85,7 @@ void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
 	prs_uint8     ("flags", ps, depth, &(t->flags));
 	prs_uint16_pre("size ", ps, depth, &(t->size ), &offset_ace_size);
 
-	sec_io_info   ("info ", &t->info, ps, depth);
+	sec_io_access   ("info ", &t->info, ps, depth);
 	prs_align(ps);
 	smb_io_dom_sid("sid  ", &t->sid , ps, depth);
 
@@ -71,8 +93,38 @@ void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
 }
 
 /*******************************************************************
-reads or writes a structure.  this is one of those retrospective jobs,
-which i hate.  why do we have to do this?  what's it all about?
+makes a structure.  
+********************************************************************/
+void make_sec_acl(SEC_ACL *t, uint16 revision, int num_aces, SEC_ACE *ace)
+{
+	int i;
+	t->revision = revision;
+	t->num_aces = num_aces;
+	t->size = 4;
+	t->ace = ace;
+
+	for (i = 0; i < num_aces; i++)
+	{
+		t->size += ace[i].size;
+	}
+}
+
+/*******************************************************************
+frees a structure.  
+********************************************************************/
+void free_sec_acl(SEC_ACL *t)
+{
+	if (t->ace != NULL)
+	{
+		free(t->ace);
+	}
+}
+
+/*******************************************************************
+reads or writes a 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)
 {
@@ -93,6 +145,20 @@ void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
 	prs_uint16_pre("size     ", ps, depth, &(t->size     ), &offset_acl_size);
 	prs_uint32("num_aces ", ps, depth, &(t->num_aces ));
 
+	if (ps->io && t->num_aces != 0)
+	{
+		/* reading */
+		t->ace = malloc(sizeof(t->ace[0]) * t->num_aces);
+		ZERO_STRUCTPN(t->ace);
+	}
+
+	if (t->ace == NULL && t->num_aces != 0)
+	{
+		DEBUG(0,("INVALID ACL\n"));
+		ps->offset = 0xfffffffe;
+		return;
+	}
+
 	for (i = 0; i < MIN(t->num_aces, MAX_SEC_ACES); i++)
 	{
 		fstring tmp;
@@ -107,6 +173,85 @@ void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
 
 
 /*******************************************************************
+makes a 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)
+{
+	uint32 offset;
+
+	t->revision = revision;
+	t->type     = type;
+
+	t->off_owner_sid = 0;
+	t->off_grp_sid   = 0;
+	t->off_sacl      = 0;
+	t->off_dacl      = 0;
+
+	t->dacl      = dacl;
+	t->sacl      = sacl;
+	t->owner_sid = owner_sid;
+	t->grp_sid   = grp_sid;
+
+	offset = 0x14;
+
+	if (dacl != NULL)
+	{
+		t->off_dacl = offset;
+		offset += dacl->size;
+	}
+
+	if (sacl != NULL)
+	{
+		t->off_dacl = offset;
+		offset += dacl->size;
+	}
+
+	if (owner_sid != NULL)
+	{
+		t->off_owner_sid = offset;
+		offset += sid_size(owner_sid);
+	}
+
+	if (grp_sid != NULL)
+	{
+		t->off_grp_sid = offset;
+		offset += sid_size(grp_sid);
+	}
+
+	return offset;
+}
+
+
+/*******************************************************************
+frees a structure
+********************************************************************/
+void free_sec_desc(SEC_DESC *t)
+{
+	if (t->dacl != NULL)
+	{
+		free_sec_acl(t->dacl);
+	}
+
+	if (t->sacl != NULL)
+	{
+		free_sec_acl(t->dacl);
+	}
+
+	if (t->owner_sid != NULL)
+	{
+		free(t->owner_sid);
+	}
+
+	if (t->grp_sid != NULL)
+	{
+		free(t->grp_sid);
+	}
+}
+
+
+/*******************************************************************
 reads or writes a structure.
 ********************************************************************/
 static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
@@ -114,8 +259,9 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 	uint32 off_owner_sid;
 	uint32 off_grp_sid  ;
 	uint32 off_sacl     ;
-	uint32 off_dacl      ;
+	uint32 off_dacl     ;
 	uint32 old_offset;
+	uint32 max_offset = 0; /* after we're done, move offset to end */
 
 	if (t == NULL) return;
 
@@ -135,11 +281,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 	prs_uint32_pre("off_sacl     ", ps, depth, &(t->off_sacl     ), &off_sacl     );
 	prs_uint32_pre("off_dacl     ", ps, depth, &(t->off_dacl     ), &off_dacl     );
 
+	max_offset = MAX(max_offset, ps->offset);
+
 	if (IS_BITS_SET_ALL(t->type, SEC_DESC_DACL_PRESENT))
 	{
 		prs_uint32_post("off_dacl    ", ps, depth, &(t->off_dacl     ), off_dacl     , ps->offset - old_offset);
 		ps->offset = old_offset + t->off_dacl;
-		sec_io_acl     ("dacl"        , &t->dacl       , ps, depth);
+		if (ps->io)
+		{
+			/* reading */
+			t->dacl = malloc(sizeof(*t->dacl));
+			ZERO_STRUCTPN(t->dacl);
+		}
+
+		if (t->dacl == NULL)
+		{
+			DEBUG(0,("INVALID DACL\n"));
+			ps->offset = 0xfffffffe;
+			return;
+		}
+
+		sec_io_acl     ("dacl"        , t->dacl       , ps, depth);
 		prs_align(ps);
 	}
 	else
@@ -147,11 +309,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 		prs_uint32_post("off_dacl    ", ps, depth, &(t->off_dacl     ), off_dacl     , 0);
 	}
 
+	max_offset = MAX(max_offset, ps->offset);
+
 	if (IS_BITS_SET_ALL(t->type, SEC_DESC_SACL_PRESENT))
 	{
 		prs_uint32_post("off_sacl  ", ps, depth, &(t->off_sacl  ), off_sacl  , ps->offset - old_offset);
 		ps->offset = old_offset + t->off_sacl;
-		sec_io_acl     ("sacl"      , &t->sacl       , ps, depth);
+		if (ps->io)
+		{
+			/* reading */
+			t->sacl = malloc(sizeof(*t->sacl));
+			ZERO_STRUCTPN(t->sacl);
+		}
+
+		if (t->sacl == NULL)
+		{
+			DEBUG(0,("INVALID SACL\n"));
+			ps->offset = 0xfffffffe;
+			return;
+		}
+
+		sec_io_acl     ("sacl"      , t->sacl       , ps, depth);
 		prs_align(ps);
 	}
 	else
@@ -159,6 +337,8 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 		prs_uint32_post("off_sacl  ", ps, depth, &(t->off_sacl  ), off_sacl  , 0);
 	}
 
+	max_offset = MAX(max_offset, ps->offset);
+
 	prs_uint32_post("off_owner_sid", ps, depth, &(t->off_owner_sid), off_owner_sid, ps->offset - old_offset);
 	if (t->off_owner_sid != 0)
 	{
@@ -166,10 +346,26 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 		{
 			ps->offset = old_offset + t->off_owner_sid;
 		}
-		smb_io_dom_sid("owner_sid ", &t->owner_sid , ps, depth);
+		if (ps->io)
+		{
+			/* reading */
+			t->owner_sid = malloc(sizeof(*t->owner_sid));
+			ZERO_STRUCTPN(t->owner_sid);
+		}
+
+		if (t->owner_sid == NULL)
+		{
+			DEBUG(0,("INVALID OWNER SID\n"));
+			ps->offset = 0xfffffffe;
+			return;
+		}
+
+		smb_io_dom_sid("owner_sid ", t->owner_sid , ps, depth);
 		prs_align(ps);
 	}
 
+	max_offset = MAX(max_offset, ps->offset);
+
 	prs_uint32_post("off_grp_sid  ", ps, depth, &(t->off_grp_sid  ), off_grp_sid  , ps->offset - old_offset);
 	if (t->off_grp_sid != 0)
 	{
@@ -177,9 +373,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
 		{
 			ps->offset = old_offset + t->off_grp_sid;
 		}
-		smb_io_dom_sid("grp_sid", &t->grp_sid, ps, depth);
+		if (ps->io)
+		{
+			/* reading */
+			t->grp_sid = malloc(sizeof(*t->grp_sid));
+			ZERO_STRUCTPN(t->grp_sid);
+		}
+
+		if (t->grp_sid == NULL)
+		{
+			DEBUG(0,("INVALID GROUP SID\n"));
+			ps->offset = 0xfffffffe;
+			return;
+		}
+
+		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;
 }
 
 /*******************************************************************
@@ -196,6 +410,18 @@ void make_sec_desc_buf(SEC_DESC_BUF *buf, int len, SEC_DESC *data)
 	buf->sec = data;
 }
 
+/*******************************************************************
+frees a SEC_DESC_BUF structure.
+********************************************************************/
+void free_sec_desc_buf(SEC_DESC_BUF *buf)
+{
+	if (buf->sec != NULL)
+	{
+		free_sec_desc(buf->sec);
+		free(buf->sec);
+	}
+}
+
 
 /*******************************************************************
 reads or writes a SEC_DESC_BUF structure.
@@ -220,6 +446,20 @@ void sec_io_desc_buf(char *desc, SEC_DESC_BUF *sec, prs_struct *ps, int depth)
 
 	old_offset = ps->offset;
 
+	if (sec->len != 0 && ps->io)
+	{
+		/* reading */
+		sec->sec = malloc(sizeof(*sec->sec));
+		ZERO_STRUCTPN(sec->sec);
+
+		if (sec->sec == NULL)
+		{
+			DEBUG(0,("INVALID SEC_DESC\n"));
+			ps->offset = 0xfffffffe;
+			return;
+		}
+	}
+
 	/* reading, length is non-zero; writing, descriptor is non-NULL */
 	if ((sec->len != 0 || (!ps->io)) && sec->sec != NULL)
 	{