#include "includes.h"
void prs_dump(char *name, int v, prs_struct *ps)
{
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 + ps->data_offset, ps->buffer_size - ps->data_offset);
close(fd);
DEBUG(0,("created %s\n", fname));
}
}
void prs_debug(prs_struct *ps, int depth, char *desc, char *fn_name)
{
DEBUG(5+depth, ("%s%06x %s %s\n", tab_depth(depth), ps->data_offset, fn_name, desc));
}
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;
}
return True;
}
BOOL prs_read(prs_struct *ps, int fd, size_t len, int timeout)
{
BOOL ok;
size_t prev_size = ps->buffer_size;
if (!prs_grow(ps, len))
return False;
if (timeout > 0) {
ok = (read_with_timeout(fd, &ps->data_p[prev_size],
len, len,timeout) == len);
} else {
ok = (read_data(fd, &ps->data_p[prev_size], len) == len);
}
return ok;
}
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;
}
void prs_mem_clear(prs_struct *ps)
{
memset(ps->data_p, '\0', (size_t)ps->buffer_size);
}
char *prs_alloc_mem(prs_struct *ps, size_t size)
{
char *ret = talloc(ps->mem_ctx, size);
if (ret)
memset(ret, '\0', size);
return ret;
}
TALLOC_CTX *prs_get_mem_context(prs_struct *ps)
{
return ps->mem_ctx;
}
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;
}
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;
}
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 (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;
}
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;
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;
}
extra_space -= (ps->buffer_size - ps->data_offset);
if(ps->buffer_size == 0) {
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 {
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;
}
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;
}
char *prs_data_p(prs_struct *ps)
{
return ps->data_p;
}
uint32 prs_data_size(prs_struct *ps)
{
return ps->buffer_size;
}
uint32 prs_offset(prs_struct *ps)
{
return ps->data_offset;
}
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;
}
BOOL prs_append_prs_data(prs_struct *dst, prs_struct *src)
{
if(!prs_grow(dst, prs_offset(src)))
return False;
memcpy(&dst->data_p[dst->data_offset], prs_data_p(src), (size_t)prs_offset(src));
dst->data_offset += prs_offset(src);
return True;
}
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], prs_data_p(src)+start, (size_t)len);
dst->data_offset += len;
return True;
}
BOOL prs_append_data(prs_struct *dst, char *src, uint32 len)
{
if(!prs_grow(dst, len))
return False;
memcpy(&dst->data_p[dst->data_offset], src, (size_t)len);
dst->data_offset += len;
return True;
}
void prs_set_endian_data(prs_struct *ps, BOOL endian)
{
ps->bigendian_data = endian;
}
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;
}
BOOL prs_align_needed(prs_struct *ps, uint32 needed)
{
if (needed==0)
return True;
else
return prs_align(ps);
}
char *prs_mem_get(prs_struct *ps, uint32 extra_size)
{
if(UNMARSHALLING(ps)) {
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 {
if(!prs_grow(ps, extra_size))
return NULL;
}
return &ps->data_p[ps->data_offset];
}
void prs_switch_type(prs_struct *ps, BOOL io)
{
if ((ps->io ^ io) == True)
ps->io=io;
}
void prs_force_dynamic(prs_struct *ps)
{
ps->is_dynamic=True;
}
BOOL prs_uint8(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", tab_depth(depth), ps->data_offset, name, *data8));
ps->data_offset += 1;
return True;
}
BOOL prs_uint16(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", tab_depth(depth), ps->data_offset, name, *data16));
ps->data_offset += sizeof(uint16);
return True;
}
BOOL prs_uint32(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", tab_depth(depth), ps->data_offset, name, *data32));
ps->data_offset += sizeof(uint32);
return True;
}
BOOL prs_ntstatus(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", tab_depth(depth), ps->data_offset, name,
get_nt_error_msg(*status)));
ps->data_offset += sizeof(uint32);
return True;
}
BOOL prs_werror(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));
}
DEBUG(5,("%s%04x %s: %s\n", tab_depth(depth), ps->data_offset, name,
werror_str(*status)));
ps->data_offset += sizeof(uint32);
return True;
}
BOOL prs_uint8s(BOOL charmode, 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: ", tab_depth(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;
}
BOOL prs_uint16s(BOOL charmode, 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: ", tab_depth(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;
}
static void dbg_rw_punival(BOOL charmode, 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: ", tab_depth(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"));
}
BOOL prs_uint16uni(BOOL charmode, 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;
}
BOOL prs_uint32s(BOOL charmode, 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: ", tab_depth(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;
}
BOOL prs_buffer5(BOOL charmode, 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 (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;
}
BOOL prs_buffer2(BOOL charmode, 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)) {
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;
}
BOOL prs_string2(BOOL charmode, 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: ", tab_depth(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;
}
BOOL prs_unistr2(BOOL charmode, 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 (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;
}
BOOL prs_unistr3(BOOL charmode, 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;
}
BOOL prs_unistr(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)
{
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;
}
}
q[0] = 0;
q[1] = 0;
q += 2;
len++;
dump_data(5+depth, (char *)start, len * 2);
}
else {
uint32 alloc_len = 0;
q = prs_data_p(ps) + prs_offset(ps);
max_len = (ps->buffer_size - ps->data_offset)/sizeof(uint16);
for ( ptr = (uint16 *)q; *ptr && (alloc_len <= max_len); alloc_len++)
;
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;
while ((len < alloc_len) && (*(uint16 *)q != 0))
{
if(ps->bigendian_data)
{
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)
{
str->buffer[len++] = '\0';
}
}
ps->data_offset += (len)*2;
return True;
}
BOOL prs_string(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];
}
str[i] = '\0';
if (MARSHALLING(ps)) {
q[i] = '\0';
}
ps->data_offset += len+1;
dump_data(5+depth, q, len);
return True;
}
BOOL prs_uint16_pre(char *name, prs_struct *ps, int depth, uint16 *data16, uint32 *offset)
{
*offset = ps->data_offset;
if (UNMARSHALLING(ps)) {
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;
}
BOOL prs_uint16_post(char *name, prs_struct *ps, int depth, uint16 *data16,
uint32 ptr_uint16, uint32 start_offset)
{
if (MARSHALLING(ps)) {
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;
}
BOOL prs_uint32_pre(char *name, prs_struct *ps, int depth, uint32 *data32, uint32 *offset)
{
*offset = ps->data_offset;
if (UNMARSHALLING(ps) && (data32 != NULL)) {
return prs_uint32(name, ps, depth, data32);
} else {
ps->data_offset += sizeof(uint32);
}
return True;
}
BOOL prs_uint32_post(char *name, prs_struct *ps, int depth, uint32 *data32,
uint32 ptr_uint32, uint32 data_size)
{
if (MARSHALLING(ps)) {
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;
}
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 = prs_data_p(ps);
dbuf.dsize = prs_offset(ps);
return tdb_store(tdb, kbuf, dbuf, TDB_REPLACE);
}
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;
}
BOOL prs_hash1(prs_struct *ps, uint32 offset, uint8 sess_key[16])
{
char *q;
q = prs_data_p(ps);
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;
}