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-rw-r--r--source4/rpc_parse/parse_prs.c1329
1 files changed, 0 insertions, 1329 deletions
diff --git a/source4/rpc_parse/parse_prs.c b/source4/rpc_parse/parse_prs.c
deleted file mode 100644
index 46879de681..0000000000
--- a/source4/rpc_parse/parse_prs.c
+++ /dev/null
@@ -1,1329 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- Samba memory buffer functions
- Copyright (C) Andrew Tridgell 1992-1997
- Copyright (C) Luke Kenneth Casson Leighton 1996-1997
- Copyright (C) Jeremy Allison 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
- the Free Software Foundation; either version 2 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "includes.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_RPC_PARSE
-
-/**
- * Dump a prs to a file: from the current location through to the end.
- **/
-void prs_dump(char *name, int v, prs_struct *ps)
-{
- prs_dump_region(name, v, ps, ps->data_offset, ps->buffer_size);
-}
-
-
-/**
- * Dump from the start of the prs to the current location.
- **/
-void prs_dump_before(char *name, int v, prs_struct *ps)
-{
- prs_dump_region(name, v, ps, 0, ps->data_offset);
-}
-
-
-/**
- * Dump everything from the start of the prs up to the current location.
- **/
-void prs_dump_region(char *name, int v, prs_struct *ps,
- int from_off, int to_off)
-{
- int fd, i;
- pstring fname;
- if (DEBUGLEVEL < 50) return;
- for (i=1;i<100;i++) {
- if (v != -1) {
- slprintf(fname,sizeof(fname)-1, "/tmp/%s_%d.%d.prs", name, v, i);
- } else {
- slprintf(fname,sizeof(fname)-1, "/tmp/%s.%d.prs", name, i);
- }
- fd = open(fname, O_WRONLY|O_CREAT|O_EXCL, 0644);
- if (fd != -1 || errno != EEXIST) break;
- }
- if (fd != -1) {
- write(fd, ps->data_p + from_off, to_off - from_off);
- close(fd);
- DEBUG(0,("created %s\n", fname));
- }
-}
-
-
-
-/*******************************************************************
- debug output for parsing info.
-
- XXXX side-effect of this function is to increase the debug depth XXXX
-
- ********************************************************************/
-void prs_debug(prs_struct *ps, int depth, const char *desc, const char *fn_name)
-{
- DEBUG(5+depth, ("%s%06x %s %s\n", DEBUGTAB(depth), ps->data_offset, fn_name, desc));
-}
-
-
-/**
- * Initialise an expandable parse structure.
- *
- * @param size Initial buffer size. If >0, a new buffer will be
- * created with malloc().
- *
- * @return False if allocation fails, otherwise True.
- **/
-BOOL prs_init(prs_struct *ps, uint32 size, TALLOC_CTX *ctx, BOOL io)
-{
- ZERO_STRUCTP(ps);
- ps->io = io;
- ps->bigendian_data = RPC_LITTLE_ENDIAN;
- ps->align = RPC_PARSE_ALIGN;
- ps->is_dynamic = False;
- ps->data_offset = 0;
- ps->buffer_size = 0;
- ps->data_p = NULL;
- ps->mem_ctx = ctx;
-
- if (size != 0) {
- ps->buffer_size = size;
- if((ps->data_p = (char *)malloc((size_t)size)) == NULL) {
- DEBUG(0,("prs_init: malloc fail for %u bytes.\n", (unsigned int)size));
- return False;
- }
- memset(ps->data_p, '\0', (size_t)size);
- ps->is_dynamic = True; /* We own this memory. */
- }
-
- return True;
-}
-
-/*******************************************************************
- Delete the memory in a parse structure - if we own it.
- ********************************************************************/
-
-void prs_mem_free(prs_struct *ps)
-{
- if(ps->is_dynamic)
- SAFE_FREE(ps->data_p);
- ps->is_dynamic = False;
- ps->buffer_size = 0;
- ps->data_offset = 0;
-}
-
-/*******************************************************************
- Clear the memory in a parse structure.
- ********************************************************************/
-
-void prs_mem_clear(prs_struct *ps)
-{
- if (ps->buffer_size)
- memset(ps->data_p, '\0', (size_t)ps->buffer_size);
-}
-
-/*******************************************************************
- Allocate memory when unmarshalling... Always zero clears.
- ********************************************************************/
-
-char *prs_alloc_mem(prs_struct *ps, size_t size)
-{
- char *ret = NULL;
-
- if (size) {
- ret = talloc(ps->mem_ctx, size);
- if (ret)
- memset(ret, '\0', size);
- }
- return ret;
-}
-
-/*******************************************************************
- Return the current talloc context we're using.
- ********************************************************************/
-
-TALLOC_CTX *prs_get_mem_context(prs_struct *ps)
-{
- return ps->mem_ctx;
-}
-
-/*******************************************************************
- Hand some already allocated memory to a prs_struct.
- ********************************************************************/
-
-void prs_give_memory(prs_struct *ps, char *buf, uint32 size, BOOL is_dynamic)
-{
- ps->is_dynamic = is_dynamic;
- ps->data_p = buf;
- ps->buffer_size = size;
-}
-
-/*******************************************************************
- Take some memory back from a prs_struct.
- ********************************************************************/
-
-char *prs_take_memory(prs_struct *ps, uint32 *psize)
-{
- char *ret = ps->data_p;
- if(psize)
- *psize = ps->buffer_size;
- ps->is_dynamic = False;
- prs_mem_free(ps);
- return ret;
-}
-
-/*******************************************************************
- Set a prs_struct to exactly a given size. Will grow or tuncate if neccessary.
- ********************************************************************/
-
-BOOL prs_set_buffer_size(prs_struct *ps, uint32 newsize)
-{
- if (newsize > ps->buffer_size)
- return prs_force_grow(ps, newsize - ps->buffer_size);
-
- if (newsize < ps->buffer_size) {
- char *new_data_p = Realloc(ps->data_p, newsize);
- /* if newsize is zero, Realloc acts like free() & returns NULL*/
- if (new_data_p == NULL && newsize != 0) {
- DEBUG(0,("prs_set_buffer_size: Realloc failure for size %u.\n",
- (unsigned int)newsize));
- DEBUG(0,("prs_set_buffer_size: Reason %s\n",strerror(errno)));
- return False;
- }
- ps->data_p = new_data_p;
- ps->buffer_size = newsize;
- }
-
- return True;
-}
-
-/*******************************************************************
- Attempt, if needed, to grow a data buffer.
- Also depends on the data stream mode (io).
- ********************************************************************/
-
-BOOL prs_grow(prs_struct *ps, uint32 extra_space)
-{
- uint32 new_size;
- char *new_data;
-
- ps->grow_size = MAX(ps->grow_size, ps->data_offset + extra_space);
-
- if(ps->data_offset + extra_space <= ps->buffer_size)
- return True;
-
- /*
- * We cannot grow the buffer if we're not reading
- * into the prs_struct, or if we don't own the memory.
- */
-
- if(UNMARSHALLING(ps) || !ps->is_dynamic) {
- DEBUG(0,("prs_grow: Buffer overflow - unable to expand buffer by %u bytes.\n",
- (unsigned int)extra_space));
- return False;
- }
-
- /*
- * Decide how much extra space we really need.
- */
-
- extra_space -= (ps->buffer_size - ps->data_offset);
- if(ps->buffer_size == 0) {
- /*
- * Ensure we have at least a PDU's length, or extra_space, whichever
- * is greater.
- */
-
- new_size = MAX(MAX_PDU_FRAG_LEN,extra_space);
-
- if((new_data = malloc(new_size)) == NULL) {
- DEBUG(0,("prs_grow: Malloc failure for size %u.\n", (unsigned int)new_size));
- return False;
- }
- memset(new_data, '\0', (size_t)new_size );
- } else {
- /*
- * If the current buffer size is bigger than the space needed, just
- * double it, else add extra_space.
- */
- new_size = MAX(ps->buffer_size*2, ps->buffer_size + extra_space);
-
- if ((new_data = Realloc(ps->data_p, new_size)) == NULL) {
- DEBUG(0,("prs_grow: Realloc failure for size %u.\n",
- (unsigned int)new_size));
- return False;
- }
-
- memset(&new_data[ps->buffer_size], '\0', (size_t)(new_size - ps->buffer_size));
- }
- ps->buffer_size = new_size;
- ps->data_p = new_data;
-
- return True;
-}
-
-/*******************************************************************
- Attempt to force a data buffer to grow by len bytes.
- This is only used when appending more data onto a prs_struct
- when reading an rpc reply, before unmarshalling it.
- ********************************************************************/
-
-BOOL prs_force_grow(prs_struct *ps, uint32 extra_space)
-{
- uint32 new_size = ps->buffer_size + extra_space;
- char *new_data;
-
- if(!UNMARSHALLING(ps) || !ps->is_dynamic) {
- DEBUG(0,("prs_force_grow: Buffer overflow - unable to expand buffer by %u bytes.\n",
- (unsigned int)extra_space));
- return False;
- }
-
- if((new_data = Realloc(ps->data_p, new_size)) == NULL) {
- DEBUG(0,("prs_force_grow: Realloc failure for size %u.\n",
- (unsigned int)new_size));
- return False;
- }
-
- memset(&new_data[ps->buffer_size], '\0', (size_t)(new_size - ps->buffer_size));
-
- ps->buffer_size = new_size;
- ps->data_p = new_data;
-
- return True;
-}
-
-/*******************************************************************
- Get the data pointer (external interface).
-********************************************************************/
-
-char *prs_data_p(prs_struct *ps)
-{
- return ps->data_p;
-}
-
-/*******************************************************************
- Get the current data size (external interface).
- ********************************************************************/
-
-uint32 prs_data_size(prs_struct *ps)
-{
- return ps->buffer_size;
-}
-
-/*******************************************************************
- Fetch the current offset (external interface).
- ********************************************************************/
-
-uint32 prs_offset(prs_struct *ps)
-{
- return ps->data_offset;
-}
-
-/*******************************************************************
- Set the current offset (external interface).
- ********************************************************************/
-
-BOOL prs_set_offset(prs_struct *ps, uint32 offset)
-{
- if(offset <= ps->data_offset) {
- ps->data_offset = offset;
- return True;
- }
-
- if(!prs_grow(ps, offset - ps->data_offset))
- return False;
-
- ps->data_offset = offset;
- return True;
-}
-
-/*******************************************************************
- Append the data from one parse_struct into another.
- ********************************************************************/
-
-BOOL prs_append_prs_data(prs_struct *dst, prs_struct *src)
-{
- if (prs_offset(src) == 0)
- return True;
-
- if(!prs_grow(dst, prs_offset(src)))
- return False;
-
- memcpy(&dst->data_p[dst->data_offset], src->data_p, (size_t)prs_offset(src));
- dst->data_offset += prs_offset(src);
-
- return True;
-}
-
-/*******************************************************************
- Append some data from one parse_struct into another.
- ********************************************************************/
-
-BOOL prs_append_some_prs_data(prs_struct *dst, prs_struct *src, int32 start, uint32 len)
-{
- if (len == 0)
- return True;
-
- if(!prs_grow(dst, len))
- return False;
-
- memcpy(&dst->data_p[dst->data_offset], src->data_p + start, (size_t)len);
- dst->data_offset += len;
-
- return True;
-}
-
-/*******************************************************************
- Append the data from a buffer into a parse_struct.
- ********************************************************************/
-
-BOOL prs_copy_data_in(prs_struct *dst, char *src, uint32 len)
-{
- if (len == 0)
- return True;
-
- if(!prs_grow(dst, len))
- return False;
-
- memcpy(&dst->data_p[dst->data_offset], src, (size_t)len);
- dst->data_offset += len;
-
- return True;
-}
-
-/*******************************************************************
- Copy some data from a parse_struct into a buffer.
- ********************************************************************/
-
-BOOL prs_copy_data_out(char *dst, prs_struct *src, uint32 len)
-{
- if (len == 0)
- return True;
-
- if(!prs_mem_get(src, len))
- return False;
-
- memcpy(dst, &src->data_p[src->data_offset], (size_t)len);
- src->data_offset += len;
-
- return True;
-}
-
-/*******************************************************************
- Copy all the data from a parse_struct into a buffer.
- ********************************************************************/
-
-BOOL prs_copy_all_data_out(char *dst, prs_struct *src)
-{
- uint32 len = prs_offset(src);
-
- if (!len)
- return True;
-
- prs_set_offset(src, 0);
- return prs_copy_data_out(dst, src, len);
-}
-
-/*******************************************************************
- Set the data as X-endian (external interface).
- ********************************************************************/
-
-void prs_set_endian_data(prs_struct *ps, BOOL endian)
-{
- ps->bigendian_data = endian;
-}
-
-/*******************************************************************
- Align a the data_len to a multiple of align bytes - filling with
- zeros.
- ********************************************************************/
-
-BOOL prs_align(prs_struct *ps)
-{
- uint32 mod = ps->data_offset & (ps->align-1);
-
- if (ps->align != 0 && mod != 0) {
- uint32 extra_space = (ps->align - mod);
- if(!prs_grow(ps, extra_space))
- return False;
- memset(&ps->data_p[ps->data_offset], '\0', (size_t)extra_space);
- ps->data_offset += extra_space;
- }
-
- return True;
-}
-
-/******************************************************************
- Align on a 2 byte boundary
- *****************************************************************/
-
-BOOL prs_align_uint16(prs_struct *ps)
-{
- BOOL ret;
- uint8 old_align = ps->align;
-
- ps->align = 2;
- ret = prs_align(ps);
- ps->align = old_align;
-
- return ret;
-}
-
-/******************************************************************
- Align on a 8 byte boundary
- *****************************************************************/
-
-BOOL prs_align_uint64(prs_struct *ps)
-{
- BOOL ret;
- uint8 old_align = ps->align;
-
- ps->align = 8;
- ret = prs_align(ps);
- ps->align = old_align;
-
- return ret;
-}
-
-/*******************************************************************
- Align only if required (for the unistr2 string mainly)
- ********************************************************************/
-
-BOOL prs_align_needed(prs_struct *ps, uint32 needed)
-{
- if (needed==0)
- return True;
- else
- return prs_align(ps);
-}
-
-/*******************************************************************
- Ensure we can read/write to a given offset.
- ********************************************************************/
-
-char *prs_mem_get(prs_struct *ps, uint32 extra_size)
-{
- if(UNMARSHALLING(ps)) {
- /*
- * If reading, ensure that we can read the requested size item.
- */
- if (ps->data_offset + extra_size > ps->buffer_size) {
- DEBUG(0,("prs_mem_get: reading data of size %u would overrun buffer.\n",
- (unsigned int)extra_size ));
- return NULL;
- }
- } else {
- /*
- * Writing - grow the buffer if needed.
- */
- if(!prs_grow(ps, extra_size))
- return NULL;
- }
- return &ps->data_p[ps->data_offset];
-}
-
-/*******************************************************************
- Change the struct type.
- ********************************************************************/
-
-void prs_switch_type(prs_struct *ps, BOOL io)
-{
- if ((ps->io ^ io) == True)
- ps->io=io;
-}
-
-/*******************************************************************
- Force a prs_struct to be dynamic even when it's size is 0.
- ********************************************************************/
-
-void prs_force_dynamic(prs_struct *ps)
-{
- ps->is_dynamic=True;
-}
-
-/*******************************************************************
- Stream a uint8.
- ********************************************************************/
-
-BOOL prs_uint8(const char *name, prs_struct *ps, int depth, uint8 *data8)
-{
- char *q = prs_mem_get(ps, 1);
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps))
- *data8 = CVAL(q,0);
- else
- SCVAL(q,0,*data8);
-
- DEBUG(5,("%s%04x %s: %02x\n", DEBUGTAB(depth), ps->data_offset, name, *data8));
-
- ps->data_offset += 1;
-
- return True;
-}
-
-/*******************************************************************
- Stream a uint16.
- ********************************************************************/
-
-BOOL prs_uint16(const char *name, prs_struct *ps, int depth, uint16 *data16)
-{
- char *q = prs_mem_get(ps, sizeof(uint16));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data)
- *data16 = RSVAL(q,0);
- else
- *data16 = SVAL(q,0);
- } else {
- if (ps->bigendian_data)
- RSSVAL(q,0,*data16);
- else
- SSVAL(q,0,*data16);
- }
-
- DEBUG(5,("%s%04x %s: %04x\n", DEBUGTAB(depth), ps->data_offset, name, *data16));
-
- ps->data_offset += sizeof(uint16);
-
- return True;
-}
-
-/*******************************************************************
- Stream a uint32.
- ********************************************************************/
-
-BOOL prs_uint32(const char *name, prs_struct *ps, int depth, uint32 *data32)
-{
- char *q = prs_mem_get(ps, sizeof(uint32));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data)
- *data32 = RIVAL(q,0);
- else
- *data32 = IVAL(q,0);
- } else {
- if (ps->bigendian_data)
- RSIVAL(q,0,*data32);
- else
- SIVAL(q,0,*data32);
- }
-
- DEBUG(5,("%s%04x %s: %08x\n", DEBUGTAB(depth), ps->data_offset, name, *data32));
-
- ps->data_offset += sizeof(uint32);
-
- return True;
-}
-
-/*******************************************************************
- Stream a NTSTATUS
- ********************************************************************/
-
-BOOL prs_ntstatus(const char *name, prs_struct *ps, int depth, NTSTATUS *status)
-{
- char *q = prs_mem_get(ps, sizeof(uint32));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data)
- *status = NT_STATUS(RIVAL(q,0));
- else
- *status = NT_STATUS(IVAL(q,0));
- } else {
- if (ps->bigendian_data)
- RSIVAL(q,0,NT_STATUS_V(*status));
- else
- SIVAL(q,0,NT_STATUS_V(*status));
- }
-
- DEBUG(5,("%s%04x %s: %s\n", DEBUGTAB(depth), ps->data_offset, name,
- nt_errstr(*status)));
-
- ps->data_offset += sizeof(uint32);
-
- return True;
-}
-
-/*******************************************************************
- Stream a WERROR
- ********************************************************************/
-
-BOOL prs_werror(const char *name, prs_struct *ps, int depth, WERROR *status)
-{
- char *q = prs_mem_get(ps, sizeof(uint32));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data)
- *status = W_ERROR(RIVAL(q,0));
- else
- *status = W_ERROR(IVAL(q,0));
- } else {
- if (ps->bigendian_data)
- RSIVAL(q,0,W_ERROR_V(*status));
- else
- SIVAL(q,0,W_ERROR_V(*status));
- }
-
- ps->data_offset += sizeof(uint32);
-
- return True;
-}
-
-
-/******************************************************************
- Stream an array of uint8s. Length is number of uint8s.
- ********************************************************************/
-
-BOOL prs_uint8s(BOOL charmode, const char *name, prs_struct *ps, int depth, uint8 *data8s, int len)
-{
- int i;
- char *q = prs_mem_get(ps, len);
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- for (i = 0; i < len; i++)
- data8s[i] = CVAL(q,i);
- } else {
- for (i = 0; i < len; i++)
- SCVAL(q, i, data8s[i]);
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset ,name));
- if (charmode)
- print_asc(5, (unsigned char*)data8s, len);
- else {
- for (i = 0; i < len; i++)
- DEBUG(5,("%02x ", data8s[i]));
- }
- DEBUG(5,("\n"));
-
- ps->data_offset += len;
-
- return True;
-}
-
-/******************************************************************
- Stream an array of uint16s. Length is number of uint16s.
- ********************************************************************/
-
-BOOL prs_uint16s(BOOL charmode, const char *name, prs_struct *ps, int depth, uint16 *data16s, int len)
-{
- int i;
- char *q = prs_mem_get(ps, len * sizeof(uint16));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- data16s[i] = RSVAL(q, 2*i);
- } else {
- for (i = 0; i < len; i++)
- data16s[i] = SVAL(q, 2*i);
- }
- } else {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- RSSVAL(q, 2*i, data16s[i]);
- } else {
- for (i = 0; i < len; i++)
- SSVAL(q, 2*i, data16s[i]);
- }
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- if (charmode)
- print_asc(5, (unsigned char*)data16s, 2*len);
- else {
- for (i = 0; i < len; i++)
- DEBUG(5,("%04x ", data16s[i]));
- }
- DEBUG(5,("\n"));
-
- ps->data_offset += (len * sizeof(uint16));
-
- return True;
-}
-
-/******************************************************************
- Start using a function for streaming unicode chars. If unmarshalling,
- output must be little-endian, if marshalling, input must be little-endian.
- ********************************************************************/
-
-static void dbg_rw_punival(BOOL charmode, const char *name, int depth, prs_struct *ps,
- char *in_buf, char *out_buf, int len)
-{
- int i;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- SSVAL(out_buf,2*i,RSVAL(in_buf, 2*i));
- } else {
- for (i = 0; i < len; i++)
- SSVAL(out_buf, 2*i, SVAL(in_buf, 2*i));
- }
- } else {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- RSSVAL(in_buf, 2*i, SVAL(out_buf,2*i));
- } else {
- for (i = 0; i < len; i++)
- SSVAL(in_buf, 2*i, SVAL(out_buf,2*i));
- }
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- if (charmode)
- print_asc(5, (unsigned char*)out_buf, 2*len);
- else {
- for (i = 0; i < len; i++)
- DEBUG(5,("%04x ", out_buf[i]));
- }
- DEBUG(5,("\n"));
-}
-
-/******************************************************************
- Stream a unistr. Always little endian.
- ********************************************************************/
-
-BOOL prs_uint16uni(BOOL charmode, const char *name, prs_struct *ps, int depth, uint16 *data16s, int len)
-{
- char *q = prs_mem_get(ps, len * sizeof(uint16));
- if (q == NULL)
- return False;
-
- dbg_rw_punival(charmode, name, depth, ps, q, (char *)data16s, len);
- ps->data_offset += (len * sizeof(uint16));
-
- return True;
-}
-
-/******************************************************************
- Stream an array of uint32s. Length is number of uint32s.
- ********************************************************************/
-
-BOOL prs_uint32s(BOOL charmode, const char *name, prs_struct *ps, int depth, uint32 *data32s, int len)
-{
- int i;
- char *q = prs_mem_get(ps, len * sizeof(uint32));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- data32s[i] = RIVAL(q, 4*i);
- } else {
- for (i = 0; i < len; i++)
- data32s[i] = IVAL(q, 4*i);
- }
- } else {
- if (ps->bigendian_data) {
- for (i = 0; i < len; i++)
- RSIVAL(q, 4*i, data32s[i]);
- } else {
- for (i = 0; i < len; i++)
- SIVAL(q, 4*i, data32s[i]);
- }
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- if (charmode)
- print_asc(5, (unsigned char*)data32s, 4*len);
- else {
- for (i = 0; i < len; i++)
- DEBUG(5,("%08x ", data32s[i]));
- }
- DEBUG(5,("\n"));
-
- ps->data_offset += (len * sizeof(uint32));
-
- return True;
-}
-
-/******************************************************************
- Stream an array of unicode string, length/buffer specified separately,
- in uint16 chars. The unicode string is already in little-endian format.
- ********************************************************************/
-
-BOOL prs_buffer5(BOOL charmode, const char *name, prs_struct *ps, int depth, BUFFER5 *str)
-{
- char *p;
- char *q = prs_mem_get(ps, str->buf_len * sizeof(uint16));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- str->buffer = (uint16 *)prs_alloc_mem(ps,str->buf_len * sizeof(uint16));
- if (str->buffer == NULL)
- return False;
- }
-
- /* If the string is empty, we don't have anything to stream */
- if (str->buf_len==0)
- return True;
-
- p = (char *)str->buffer;
-
- dbg_rw_punival(charmode, name, depth, ps, q, p, str->buf_len);
-
- ps->data_offset += (str->buf_len * sizeof(uint16));
-
- return True;
-}
-
-/******************************************************************
- Stream a "not" unicode string, length/buffer specified separately,
- in byte chars. String is in little-endian format.
- ********************************************************************/
-
-BOOL prs_buffer2(BOOL charmode, const char *name, prs_struct *ps, int depth, BUFFER2 *str)
-{
- char *p;
- char *q = prs_mem_get(ps, str->buf_len);
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- if ( str->buf_len ) {
- str->buffer = (uint16 *)prs_alloc_mem(ps,str->buf_len);
- if ( str->buffer == NULL )
- return False;
- }
- }
-
- p = (char *)str->buffer;
-
- dbg_rw_punival(charmode, name, depth, ps, q, p, str->buf_len/2);
- ps->data_offset += str->buf_len;
-
- return True;
-}
-
-/******************************************************************
- Stream a string, length/buffer specified separately,
- in uint8 chars.
- ********************************************************************/
-
-BOOL prs_string2(BOOL charmode, const char *name, prs_struct *ps, int depth, STRING2 *str)
-{
- int i;
- char *q = prs_mem_get(ps, str->str_max_len);
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- str->buffer = (unsigned char *)prs_alloc_mem(ps,str->str_max_len);
- if (str->buffer == NULL)
- return False;
- }
-
- if (UNMARSHALLING(ps)) {
- for (i = 0; i < str->str_str_len; i++)
- str->buffer[i] = CVAL(q,i);
- } else {
- for (i = 0; i < str->str_str_len; i++)
- SCVAL(q, i, str->buffer[i]);
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- if (charmode)
- print_asc(5, (unsigned char*)str->buffer, str->str_str_len);
- else {
- for (i = 0; i < str->str_str_len; i++)
- DEBUG(5,("%02x ", str->buffer[i]));
- }
- DEBUG(5,("\n"));
-
- ps->data_offset += str->str_str_len;
-
- return True;
-}
-
-/******************************************************************
- Stream a unicode string, length/buffer specified separately,
- in uint16 chars. The unicode string is already in little-endian format.
- ********************************************************************/
-
-BOOL prs_unistr2(BOOL charmode, const char *name, prs_struct *ps, int depth, UNISTR2 *str)
-{
- char *p;
- char *q = prs_mem_get(ps, str->uni_str_len * sizeof(uint16));
- if (q == NULL)
- return False;
-
- /* If the string is empty, we don't have anything to stream */
- if (str->uni_str_len==0)
- return True;
-
- if (UNMARSHALLING(ps)) {
- str->buffer = (uint16 *)prs_alloc_mem(ps,str->uni_max_len * sizeof(uint16));
- if (str->buffer == NULL)
- return False;
- }
-
- p = (char *)str->buffer;
-
- dbg_rw_punival(charmode, name, depth, ps, q, p, str->uni_str_len);
-
- ps->data_offset += (str->uni_str_len * sizeof(uint16));
-
- return True;
-}
-
-/******************************************************************
- Stream a unicode string, length/buffer specified separately,
- in uint16 chars. The unicode string is already in little-endian format.
- ********************************************************************/
-
-BOOL prs_unistr3(BOOL charmode, const char *name, UNISTR3 *str, prs_struct *ps, int depth)
-{
- char *p;
- char *q = prs_mem_get(ps, str->uni_str_len * sizeof(uint16));
- if (q == NULL)
- return False;
-
- if (UNMARSHALLING(ps)) {
- str->str.buffer = (uint16 *)prs_alloc_mem(ps,str->uni_str_len * sizeof(uint16));
- if (str->str.buffer == NULL)
- return False;
- }
-
- p = (char *)str->str.buffer;
-
- dbg_rw_punival(charmode, name, depth, ps, q, p, str->uni_str_len);
- ps->data_offset += (str->uni_str_len * sizeof(uint16));
-
- return True;
-}
-
-/*******************************************************************
- Stream a unicode null-terminated string. As the string is already
- in little-endian format then do it as a stream of bytes.
- ********************************************************************/
-
-BOOL prs_unistr(const char *name, prs_struct *ps, int depth, UNISTR *str)
-{
- int len = 0;
- unsigned char *p = (unsigned char *)str->buffer;
- uint8 *start;
- char *q;
- uint32 max_len;
- uint16* ptr;
-
- if (MARSHALLING(ps)) {
-
- for(len = 0; str->buffer[len] != 0; len++)
- ;
-
- q = prs_mem_get(ps, (len+1)*2);
- if (q == NULL)
- return False;
-
- start = (uint8*)q;
-
- for(len = 0; str->buffer[len] != 0; len++)
- {
- if(ps->bigendian_data)
- {
- /* swap bytes - p is little endian, q is big endian. */
- q[0] = (char)p[1];
- q[1] = (char)p[0];
- p += 2;
- q += 2;
- }
- else
- {
- q[0] = (char)p[0];
- q[1] = (char)p[1];
- p += 2;
- q += 2;
- }
- }
-
- /*
- * even if the string is 'empty' (only an \0 char)
- * at this point the leading \0 hasn't been parsed.
- * so parse it now
- */
-
- q[0] = 0;
- q[1] = 0;
- q += 2;
-
- len++;
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- print_asc(5, (unsigned char*)start, 2*len);
- DEBUG(5, ("\n"));
- }
- else { /* unmarshalling */
-
- uint32 alloc_len = 0;
- q = ps->data_p + prs_offset(ps);
-
- /*
- * Work out how much space we need and talloc it.
- */
- max_len = (ps->buffer_size - ps->data_offset)/sizeof(uint16);
-
- /* the test of the value of *ptr helps to catch the circumstance
- where we have an emtpty (non-existent) string in the buffer */
- for ( ptr = (uint16 *)q; *ptr && (alloc_len <= max_len); alloc_len++)
- /* do nothing */
- ;
-
- /* should we allocate anything at all? */
- str->buffer = (uint16 *)prs_alloc_mem(ps,alloc_len * sizeof(uint16));
- if ((str->buffer == NULL) && (alloc_len > 0))
- return False;
-
- p = (unsigned char *)str->buffer;
-
- len = 0;
- /* the (len < alloc_len) test is to prevent us from overwriting
- memory that is not ours...if we get that far, we have a non-null
- terminated string in the buffer and have messed up somewhere */
- while ((len < alloc_len) && (*(uint16 *)q != 0))
- {
- if(ps->bigendian_data)
- {
- /* swap bytes - q is big endian, p is little endian. */
- p[0] = (unsigned char)q[1];
- p[1] = (unsigned char)q[0];
- p += 2;
- q += 2;
- } else {
-
- p[0] = (unsigned char)q[0];
- p[1] = (unsigned char)q[1];
- p += 2;
- q += 2;
- }
-
- len++;
- }
- if (len < alloc_len)
- {
- /* NULL terminate the UNISTR */
- str->buffer[len++] = '\0';
- }
-
- DEBUG(5,("%s%04x %s: ", DEBUGTAB(depth), ps->data_offset, name));
- print_asc(5, (unsigned char*)str->buffer, 2*len);
- DEBUG(5, ("\n"));
- }
-
- /* set the offset in the prs_struct; 'len' points to the
- terminiating NULL in the UNISTR so we need to go one more
- uint16 */
- ps->data_offset += (len)*2;
-
- return True;
-}
-
-
-/*******************************************************************
- Stream a null-terminated string. len is strlen, and therefore does
- not include the null-termination character.
- ********************************************************************/
-
-BOOL prs_string(const char *name, prs_struct *ps, int depth, char *str, int len, int max_buf_size)
-{
- char *q;
- int i;
-
- len = MIN(len, (max_buf_size-1));
-
- q = prs_mem_get(ps, len+1);
- if (q == NULL)
- return False;
-
- for(i = 0; i < len; i++) {
- if (UNMARSHALLING(ps))
- str[i] = q[i];
- else
- q[i] = str[i];
- }
-
- /* The terminating null. */
- str[i] = '\0';
-
- if (MARSHALLING(ps)) {
- q[i] = '\0';
- }
-
- ps->data_offset += len+1;
-
- dump_data(5+depth, q, len);
-
- return True;
-}
-
-/*******************************************************************
- prs_uint16 wrapper. Call this and it sets up a pointer to where the
- uint16 should be stored, or gets the size if reading.
- ********************************************************************/
-
-BOOL prs_uint16_pre(const char *name, prs_struct *ps, int depth, uint16 *data16, uint32 *offset)
-{
- *offset = ps->data_offset;
- if (UNMARSHALLING(ps)) {
- /* reading. */
- return prs_uint16(name, ps, depth, data16);
- } else {
- char *q = prs_mem_get(ps, sizeof(uint16));
- if(q ==NULL)
- return False;
- ps->data_offset += sizeof(uint16);
- }
- return True;
-}
-
-/*******************************************************************
- prs_uint16 wrapper. call this and it retrospectively stores the size.
- does nothing on reading, as that is already handled by ...._pre()
- ********************************************************************/
-
-BOOL prs_uint16_post(const char *name, prs_struct *ps, int depth, uint16 *data16,
- uint32 ptr_uint16, uint32 start_offset)
-{
- if (MARSHALLING(ps)) {
- /*
- * Writing - temporarily move the offset pointer.
- */
- uint16 data_size = ps->data_offset - start_offset;
- uint32 old_offset = ps->data_offset;
-
- ps->data_offset = ptr_uint16;
- if(!prs_uint16(name, ps, depth, &data_size)) {
- ps->data_offset = old_offset;
- return False;
- }
- ps->data_offset = old_offset;
- } else {
- ps->data_offset = start_offset + (uint32)(*data16);
- }
- return True;
-}
-
-/*******************************************************************
- prs_uint32 wrapper. Call this and it sets up a pointer to where the
- uint32 should be stored, or gets the size if reading.
- ********************************************************************/
-
-BOOL prs_uint32_pre(const char *name, prs_struct *ps, int depth, uint32 *data32, uint32 *offset)
-{
- *offset = ps->data_offset;
- if (UNMARSHALLING(ps) && (data32 != NULL)) {
- /* reading. */
- return prs_uint32(name, ps, depth, data32);
- } else {
- ps->data_offset += sizeof(uint32);
- }
- return True;
-}
-
-/*******************************************************************
- prs_uint32 wrapper. call this and it retrospectively stores the size.
- does nothing on reading, as that is already handled by ...._pre()
- ********************************************************************/
-
-BOOL prs_uint32_post(const char *name, prs_struct *ps, int depth, uint32 *data32,
- uint32 ptr_uint32, uint32 data_size)
-{
- if (MARSHALLING(ps)) {
- /*
- * Writing - temporarily move the offset pointer.
- */
- uint32 old_offset = ps->data_offset;
- ps->data_offset = ptr_uint32;
- if(!prs_uint32(name, ps, depth, &data_size)) {
- ps->data_offset = old_offset;
- return False;
- }
- ps->data_offset = old_offset;
- }
- return True;
-}
-
-/* useful function to store a structure in rpc wire format */
-int tdb_prs_store(TDB_CONTEXT *tdb, char *keystr, prs_struct *ps)
-{
- TDB_DATA kbuf, dbuf;
- kbuf.dptr = keystr;
- kbuf.dsize = strlen(keystr)+1;
- dbuf.dptr = ps->data_p;
- dbuf.dsize = prs_offset(ps);
- return tdb_store(tdb, kbuf, dbuf, TDB_REPLACE);
-}
-
-/* useful function to fetch a structure into rpc wire format */
-int tdb_prs_fetch(TDB_CONTEXT *tdb, char *keystr, prs_struct *ps, TALLOC_CTX *mem_ctx)
-{
- TDB_DATA kbuf, dbuf;
- kbuf.dptr = keystr;
- kbuf.dsize = strlen(keystr)+1;
-
- dbuf = tdb_fetch(tdb, kbuf);
- if (!dbuf.dptr)
- return -1;
-
- ZERO_STRUCTP(ps);
- prs_init(ps, 0, mem_ctx, UNMARSHALL);
- prs_give_memory(ps, dbuf.dptr, dbuf.dsize, True);
-
- return 0;
-}
-
-/*******************************************************************
- hash a stream.
- ********************************************************************/
-BOOL prs_hash1(prs_struct *ps, uint32 offset, uint8 sess_key[16])
-{
- char *q;
-
- q = ps->data_p;
- q = &q[offset];
-
-#ifdef DEBUG_PASSWORD
- DEBUG(100, ("prs_hash1\n"));
- dump_data(100, sess_key, 16);
- dump_data(100, q, 68);
-#endif
- SamOEMhash((uchar *) q, sess_key, 68);
-
-#ifdef DEBUG_PASSWORD
- dump_data(100, q, 68);
-#endif
-
- return True;
-}
generated by cgit (git 2.34.1) at 2025-02-20 21:52:08 +0000