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-rw-r--r--source3/rpc_parse/parse_buffer.c509
1 files changed, 0 insertions, 509 deletions
diff --git a/source3/rpc_parse/parse_buffer.c b/source3/rpc_parse/parse_buffer.c
deleted file mode 100644
index 99546ef3fb..0000000000
--- a/source3/rpc_parse/parse_buffer.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Unix SMB/CIFS implementation.
- * RPC Pipe client / server routines
- *
- * Copyright (C) Andrew Tridgell 1992-2000,
- * Copyright (C) Luke Kenneth Casson Leighton 1996-2000,
- * Copyright (C) Jean François Micouleau 1998-2000,
- * Copyright (C) Gerald Carter 2000-2005,
- * Copyright (C) Tim Potter 2001-2002.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_RPC_PARSE
-
-/**********************************************************************
- Initialize a new spoolss buff for use by a client rpc
-**********************************************************************/
-bool rpcbuf_init(RPC_BUFFER *buffer, uint32 size, TALLOC_CTX *ctx)
-{
- buffer->size = size;
- buffer->string_at_end = size;
- if (!prs_init(&buffer->prs, size, ctx, MARSHALL))
- return false;
-
- buffer->struct_start = prs_offset(&buffer->prs);
- return true;
-}
-
-/*******************************************************************
- Read/write a RPC_BUFFER struct.
-********************************************************************/
-
-bool prs_rpcbuffer(const char *desc, prs_struct *ps, int depth, RPC_BUFFER *buffer)
-{
- prs_debug(ps, depth, desc, "prs_rpcbuffer");
- depth++;
-
- /* reading */
- if (UNMARSHALLING(ps)) {
- buffer->size=0;
- buffer->string_at_end=0;
-
- if (!prs_uint32("size", ps, depth, &buffer->size))
- return False;
-
- /*
- * JRA. I'm not sure if the data in here is in big-endian format if
- * the client is big-endian. Leave as default (little endian) for now.
- */
-
- if (!prs_init(&buffer->prs, buffer->size, prs_get_mem_context(ps), UNMARSHALL))
- return False;
-
- if (!prs_append_some_prs_data(&buffer->prs, ps, prs_offset(ps), buffer->size))
- return False;
-
- if (!prs_set_offset(&buffer->prs, 0))
- return False;
-
- if (!prs_set_offset(ps, buffer->size+prs_offset(ps)))
- return False;
-
- buffer->string_at_end=buffer->size;
-
- return True;
- }
- else {
- bool ret = False;
-
- if (!prs_uint32("size", ps, depth, &buffer->size))
- goto out;
-
- if (!prs_append_some_prs_data(ps, &buffer->prs, 0, buffer->size))
- goto out;
-
- ret = True;
- out:
-
- /* We have finished with the data in buffer->prs - free it. */
- prs_mem_free(&buffer->prs);
-
- return ret;
- }
-}
-
-/*******************************************************************
- Read/write an RPC_BUFFER* struct.(allocate memory if unmarshalling)
-********************************************************************/
-
-bool prs_rpcbuffer_p(const char *desc, prs_struct *ps, int depth, RPC_BUFFER **buffer)
-{
- uint32 data_p;
-
- /* caputure the pointer value to stream */
-
- data_p = *buffer ? 0xf000baaa : 0;
-
- if ( !prs_uint32("ptr", ps, depth, &data_p ))
- return False;
-
- /* we're done if there is no data */
-
- if ( !data_p )
- return True;
-
- if ( UNMARSHALLING(ps) ) {
- if ( !(*buffer = PRS_ALLOC_MEM(ps, RPC_BUFFER, 1)) )
- return False;
- } else {
- /* Marshalling case. - coverity paranoia - should already be ok if data_p != 0 */
- if (!*buffer) {
- return True;
- }
- }
-
- return prs_rpcbuffer( desc, ps, depth, *buffer);
-}
-
-/****************************************************************************
- Allocate more memory for a RPC_BUFFER.
-****************************************************************************/
-
-bool rpcbuf_alloc_size(RPC_BUFFER *buffer, uint32 buffer_size)
-{
- prs_struct *ps;
- uint32 extra_space;
- uint32 old_offset;
-
- /* if we don't need anything. don't do anything */
-
- if ( buffer_size == 0x0 )
- return True;
-
- if (!buffer) {
- return False;
- }
-
- ps= &buffer->prs;
-
- /* damn, I'm doing the reverse operation of prs_grow() :) */
- if (buffer_size < prs_data_size(ps))
- extra_space=0;
- else
- extra_space = buffer_size - prs_data_size(ps);
-
- /*
- * save the offset and move to the end of the buffer
- * prs_grow() checks the extra_space against the offset
- */
- old_offset=prs_offset(ps);
- prs_set_offset(ps, prs_data_size(ps));
-
- if (!prs_grow(ps, extra_space))
- return False;
-
- prs_set_offset(ps, old_offset);
-
- buffer->string_at_end=prs_data_size(ps);
-
- return True;
-}
-
-/*******************************************************************
- move a BUFFER from the query to the reply.
- As the data pointers in RPC_BUFFER are malloc'ed, not talloc'ed,
- this is ok. This is an OPTIMIZATION and is not strictly neccessary.
- Clears the memory to zero also.
-********************************************************************/
-
-void rpcbuf_move(RPC_BUFFER *src, RPC_BUFFER **dest)
-{
- if ( !src ) {
- *dest = NULL;
- return;
- }
-
- prs_switch_type( &src->prs, MARSHALL );
-
- if ( !prs_set_offset(&src->prs, 0) )
- return;
-
- prs_force_dynamic( &src->prs );
- prs_mem_clear( &src->prs );
-
- *dest = src;
-}
-
-/*******************************************************************
- Get the size of a BUFFER struct.
-********************************************************************/
-
-uint32 rpcbuf_get_size(RPC_BUFFER *buffer)
-{
- return (buffer->size);
-}
-
-
-/*******************************************************************
- * write a UNICODE string and its relative pointer.
- * used by all the RPC structs passing a buffer
- *
- * As I'm a nice guy, I'm forcing myself to explain this code.
- * MS did a good job in the overall spoolss code except in some
- * functions where they are passing the API buffer directly in the
- * RPC request/reply. That's to maintain compatiility at the API level.
- * They could have done it the good way the first time.
- *
- * So what happen is: the strings are written at the buffer's end,
- * in the reverse order of the original structure. Some pointers to
- * the strings are also in the buffer. Those are relative to the
- * buffer's start.
- *
- * If you don't understand or want to change that function,
- * first get in touch with me: jfm@samba.org
- *
- ********************************************************************/
-
-bool smb_io_relstr(const char *desc, RPC_BUFFER *buffer, int depth, UNISTR *string)
-{
- prs_struct *ps=&buffer->prs;
-
- if (MARSHALLING(ps)) {
- uint32 struct_offset = prs_offset(ps);
- uint32 relative_offset;
-
- buffer->string_at_end -= (size_of_relative_string(string) - 4);
- if(!prs_set_offset(ps, buffer->string_at_end))
- return False;
-#if 0 /* JERRY */
- /*
- * Win2k does not align strings in a buffer
- * Tested against WinNT 4.0 SP 6a & 2k SP2 --jerry
- */
- if (!prs_align(ps))
- return False;
-#endif
- buffer->string_at_end = prs_offset(ps);
-
- /* write the string */
- if (!smb_io_unistr(desc, string, ps, depth))
- return False;
-
- if(!prs_set_offset(ps, struct_offset))
- return False;
-
- relative_offset=buffer->string_at_end - buffer->struct_start;
- /* write its offset */
- if (!prs_uint32("offset", ps, depth, &relative_offset))
- return False;
- }
- else {
- uint32 old_offset;
-
- /* read the offset */
- if (!prs_uint32("offset", ps, depth, &(buffer->string_at_end)))
- return False;
-
- if (buffer->string_at_end == 0)
- return True;
-
- old_offset = prs_offset(ps);
- if(!prs_set_offset(ps, buffer->string_at_end+buffer->struct_start))
- return False;
-
- /* read the string */
- if (!smb_io_unistr(desc, string, ps, depth))
- return False;
-
- if(!prs_set_offset(ps, old_offset))
- return False;
- }
- return True;
-}
-
-/*******************************************************************
- * write a array of UNICODE strings and its relative pointer.
- * used by 2 RPC structs
- ********************************************************************/
-
-bool smb_io_relarraystr(const char *desc, RPC_BUFFER *buffer, int depth, uint16 **string)
-{
- UNISTR chaine;
-
- prs_struct *ps=&buffer->prs;
-
- if (MARSHALLING(ps)) {
- uint32 struct_offset = prs_offset(ps);
- uint32 relative_offset;
- uint16 *p;
- uint16 *q;
- uint16 zero=0;
- p=*string;
- q=*string;
-
- /* first write the last 0 */
- buffer->string_at_end -= 2;
- if(!prs_set_offset(ps, buffer->string_at_end))
- return False;
-
- if(!prs_uint16("leading zero", ps, depth, &zero))
- return False;
-
- while (p && (*p!=0)) {
- while (*q!=0)
- q++;
-
- /* Yes this should be malloc not talloc. Don't change. */
-
- chaine.buffer = (uint16 *)
- SMB_MALLOC((q-p+1)*sizeof(uint16));
- if (chaine.buffer == NULL)
- return False;
-
- memcpy(chaine.buffer, p, (q-p+1)*sizeof(uint16));
-
- buffer->string_at_end -= (q-p+1)*sizeof(uint16);
-
- if(!prs_set_offset(ps, buffer->string_at_end)) {
- SAFE_FREE(chaine.buffer);
- return False;
- }
-
- /* write the string */
- if (!smb_io_unistr(desc, &chaine, ps, depth)) {
- SAFE_FREE(chaine.buffer);
- return False;
- }
- q++;
- p=q;
-
- SAFE_FREE(chaine.buffer);
- }
-
- if(!prs_set_offset(ps, struct_offset))
- return False;
-
- relative_offset=buffer->string_at_end - buffer->struct_start;
- /* write its offset */
- if (!prs_uint32("offset", ps, depth, &relative_offset))
- return False;
-
- } else {
-
- /* UNMARSHALLING */
-
- uint32 old_offset;
- uint16 *chaine2=NULL;
- int l_chaine=0;
- int l_chaine2=0;
- size_t realloc_size = 0;
-
- *string=NULL;
-
- /* read the offset */
- if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
- return False;
-
- old_offset = prs_offset(ps);
- if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
- return False;
-
- do {
- if (!smb_io_unistr(desc, &chaine, ps, depth)) {
- SAFE_FREE(chaine2);
- return False;
- }
-
- l_chaine=str_len_uni(&chaine);
-
- /* we're going to add two more bytes here in case this
- is the last string in the array and we need to add
- an extra NULL for termination */
- if (l_chaine > 0) {
- realloc_size = (l_chaine2+l_chaine+2)*sizeof(uint16);
-
- /* Yes this should be realloc - it's freed below. JRA */
-
- if((chaine2=(uint16 *)SMB_REALLOC(chaine2, realloc_size)) == NULL) {
- return False;
- }
- memcpy(chaine2+l_chaine2, chaine.buffer, (l_chaine+1)*sizeof(uint16));
- l_chaine2+=l_chaine+1;
- }
-
- } while(l_chaine!=0);
-
- /* the end should be bould NULL terminated so add
- the second one here */
- if (chaine2)
- {
- chaine2[l_chaine2] = '\0';
- *string=(uint16 *)TALLOC_MEMDUP(prs_get_mem_context(ps),chaine2,realloc_size);
- SAFE_FREE(chaine2);
- if (!*string) {
- return False;
- }
- }
-
- if(!prs_set_offset(ps, old_offset))
- return False;
- }
- return True;
-}
-
-/*******************************************************************
- Parse a DEVMODE structure and its relative pointer.
-********************************************************************/
-
-bool smb_io_relsecdesc(const char *desc, RPC_BUFFER *buffer, int depth, SEC_DESC **secdesc)
-{
- prs_struct *ps= &buffer->prs;
-
- prs_debug(ps, depth, desc, "smb_io_relsecdesc");
- depth++;
-
- if (MARSHALLING(ps)) {
- uint32 struct_offset = prs_offset(ps);
- uint32 relative_offset;
-
- if (! *secdesc) {
- relative_offset = 0;
- if (!prs_uint32("offset", ps, depth, &relative_offset))
- return False;
- return True;
- }
-
- if (*secdesc != NULL) {
- buffer->string_at_end -= ndr_size_security_descriptor(*secdesc, NULL, 0);
-
- if(!prs_set_offset(ps, buffer->string_at_end))
- return False;
- /* write the secdesc */
- if (!sec_io_desc(desc, secdesc, ps, depth))
- return False;
-
- if(!prs_set_offset(ps, struct_offset))
- return False;
- }
-
- relative_offset=buffer->string_at_end - buffer->struct_start;
- /* write its offset */
-
- if (!prs_uint32("offset", ps, depth, &relative_offset))
- return False;
- } else {
- uint32 old_offset;
-
- /* read the offset */
- if (!prs_uint32("offset", ps, depth, &buffer->string_at_end))
- return False;
-
- old_offset = prs_offset(ps);
- if(!prs_set_offset(ps, buffer->string_at_end + buffer->struct_start))
- return False;
-
- /* read the sd */
- if (!sec_io_desc(desc, secdesc, ps, depth))
- return False;
-
- if(!prs_set_offset(ps, old_offset))
- return False;
- }
- return True;
-}
-
-
-
-/*******************************************************************
- * return the length of a UNICODE string in number of char, includes:
- * - the leading zero
- * - the relative pointer size
- ********************************************************************/
-
-uint32 size_of_relative_string(UNISTR *string)
-{
- uint32 size=0;
-
- size=str_len_uni(string); /* the string length */
- size=size+1; /* add the trailing zero */
- size=size*2; /* convert in char */
- size=size+4; /* add the size of the ptr */
-
-#if 0 /* JERRY */
- /*
- * Do not include alignment as Win2k does not align relative
- * strings within a buffer --jerry
- */
- /* Ensure size is 4 byte multiple (prs_align is being called...). */
- /* size += ((4 - (size & 3)) & 3); */
-#endif
-
- return size;
-}
-
generated by cgit (git 2.34.1) at 2024-11-27 22:55:49 +0000