/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2006 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "lber-int.h"
#include "ldap_log.h"
+ber_slen_t
+ber_skip_data(
+ BerElement *ber,
+ ber_len_t len )
+{
+ ber_len_t actuallen, nleft;
+
+ assert( ber != NULL );
+
+ assert( LBER_VALID( ber ) );
+
+ nleft = ber_pvt_ber_remaining( ber );
+ actuallen = nleft < len ? nleft : len;
+ ber->ber_ptr += actuallen;
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
+
+ return( (ber_slen_t) actuallen );
+}
+
ber_slen_t
ber_read(
BerElement *ber,
void
ber_free( BerElement *ber, int freebuf )
{
-#ifdef LDAP_MEMORY_DEBUG
- assert( ber != NULL );
-#endif
-
if( ber == NULL ) {
+ LDAP_MEMORY_DEBUG_ASSERT( ber != NULL );
return;
}
assert( SOCKBUF_VALID( sb ) );
assert( LBER_VALID( ber ) );
- ber_log_printf( LDAP_DEBUG_TRACE, ber->ber_debug,
- "ber_get_next\n" );
+ if ( ber->ber_debug & LDAP_DEBUG_TRACE ) {
+ ber_log_printf( LDAP_DEBUG_TRACE, ber->ber_debug,
+ "ber_get_next\n" );
+ }
/*
* Any ber element looks like this: tag length contents.
}
while (ber->ber_rwptr > (char *)&ber->ber_tag && ber->ber_rwptr <
- (char *)&ber->ber_len + LENSIZE*2 -1) {
+ (char *)&ber->ber_len + LENSIZE*2) {
ber_slen_t sblen;
char buf[sizeof(ber->ber_len)-1];
ber_len_t tlen = 0;
- errno = 0;
- sblen=ber_int_sb_read( sb, ber->ber_rwptr,
- ((char *)&ber->ber_len + LENSIZE*2 - 1)-ber->ber_rwptr);
+ /* The tag & len can be at most 9 bytes; we try to read up to 8 here */
+ sock_errset(0);
+ sblen=((char *)&ber->ber_len + LENSIZE*2 - 1)-ber->ber_rwptr;
+ /* Trying to read the last len byte of a 9 byte tag+len */
+ if (sblen<1)
+ sblen = 1;
+ sblen=ber_int_sb_read( sb, ber->ber_rwptr, sblen );
if (sblen<=0) return LBER_DEFAULT;
ber->ber_rwptr += sblen;
break;
/* Is the tag too big? */
if (i == sizeof(ber_tag_t)-1) {
- errno = ERANGE;
+ sock_errset(ERANGE);
return LBER_DEFAULT;
}
}
/* Did we run out of bytes? */
if ((char *)p == ber->ber_rwptr) {
#if defined( EWOULDBLOCK )
- errno = EWOULDBLOCK;
+ sock_errset(EWOULDBLOCK);
#elif defined( EAGAIN )
- errno = EAGAIN;
+ sock_errset(EAGAIN);
#endif
return LBER_DEFAULT;
}
if ( ber->ber_ptr == ber->ber_rwptr ) {
#if defined( EWOULDBLOCK )
- errno = EWOULDBLOCK;
+ sock_errset(EWOULDBLOCK);
#elif defined( EAGAIN )
- errno = EAGAIN;
+ sock_errset(EAGAIN);
#endif
return LBER_DEFAULT;
}
int i;
unsigned char *p = (unsigned char *)ber->ber_ptr;
int llen = *p++ & 0x7f;
- if (llen > (int)sizeof(ber_len_t)) {
- errno = ERANGE;
+ if (llen > LENSIZE) {
+ sock_errset(ERANGE);
return LBER_DEFAULT;
}
/* Not enough bytes? */
if (ber->ber_rwptr - (char *)p < llen) {
#if defined( EWOULDBLOCK )
- errno = EWOULDBLOCK;
+ sock_errset(EWOULDBLOCK);
#elif defined( EAGAIN )
- errno = EAGAIN;
+ sock_errset(EAGAIN);
#endif
return LBER_DEFAULT;
}
/* make sure length is reasonable */
if ( ber->ber_len == 0 ) {
- errno = ERANGE;
+ sock_errset(ERANGE);
return LBER_DEFAULT;
}
ber_log_printf( LDAP_DEBUG_CONNS, ber->ber_debug,
"ber_get_next: sockbuf_max_incoming exceeded "
"(%ld > %ld)\n", ber->ber_len, sb->sb_max_incoming );
- errno = ERANGE;
+ sock_errset(ERANGE);
return LBER_DEFAULT;
}
* already read.
*/
if ( ber->ber_len < sblen + l ) {
- errno = ERANGE;
+ sock_errset(ERANGE);
return LBER_DEFAULT;
}
ber->ber_buf = (char *) ber_memalloc_x( ber->ber_len + 1, ber->ber_memctx );
to_go = ber->ber_end - ber->ber_rwptr;
assert( to_go > 0 );
- errno = 0;
+ sock_errset(0);
res = ber_int_sb_read( sb, ber->ber_rwptr, to_go );
if (res<=0) return LBER_DEFAULT;
ber->ber_rwptr+=res;
if (res<to_go) {
#if defined( EWOULDBLOCK )
- errno = EWOULDBLOCK;
+ sock_errset(EWOULDBLOCK);
#elif defined( EAGAIN )
- errno = EAGAIN;
+ sock_errset(EAGAIN);
#endif
return LBER_DEFAULT;
}