/* decode.c - ber input decoding routines */
-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
-/* Portions
- * Copyright (c) 1990 Regents of the University of Michigan.
+/* Portions Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).
+ */
#include "portable.h"
#include <stdio.h>
-#include <stdlib.h>
-#include <ac/stdarg.h>
+#include <ac/stdlib.h>
+#include <ac/stdarg.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "lber-int.h"
-static int ber_getnint LDAP_P(( BerElement *ber, long *num, int len ));
+static ber_len_t ber_getnint LDAP_P((
+ BerElement *ber,
+ ber_int_t *num,
+ ber_len_t len ));
/* return the tag - LBER_DEFAULT returned means trouble */
-unsigned long
+ber_tag_t
ber_get_tag( BerElement *ber )
{
unsigned char xbyte;
- unsigned long tag;
- char *tagp;
+ ber_tag_t tag;
unsigned int i;
assert( ber != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( ber_read( ber, (char *) &xbyte, 1 ) != 1 )
- return( LBER_DEFAULT );
+ if ( ber_pvt_ber_remaining( ber ) < 1 ) {
+ return LBER_DEFAULT;
+ }
- if ( (xbyte & LBER_BIG_TAG_MASK) != LBER_BIG_TAG_MASK )
- return( (unsigned long) xbyte );
+ if ( ber->ber_ptr == ber->ber_buf ) {
+ tag = *(unsigned char *)ber->ber_ptr;
+ } else {
+ tag = ber->ber_tag;
+ }
+ ber->ber_ptr++;
- tagp = (char *) &tag;
- tagp[0] = xbyte;
- for ( i = 1; i < sizeof(long); i++ ) {
- if ( ber_read( ber, (char *) &xbyte, 1 ) != 1 )
- return( LBER_DEFAULT );
+ if ( (tag & LBER_BIG_TAG_MASK) != LBER_BIG_TAG_MASK ) {
+ return tag;
+ }
- tagp[i] = xbyte;
+ for ( i = 1; i < sizeof(ber_tag_t); i++ ) {
+ if ( ber_read( ber, (char *) &xbyte, 1 ) != 1 ) {
+ return LBER_DEFAULT;
+ }
- if ( ! (xbyte & LBER_MORE_TAG_MASK) )
+ tag <<= 8;
+ tag |= 0x00ffUL & (ber_tag_t) xbyte;
+
+ if ( ! (xbyte & LBER_MORE_TAG_MASK) ) {
break;
+ }
}
/* tag too big! */
- if ( i == sizeof(long) )
- return( LBER_DEFAULT );
+ if ( i == sizeof(ber_tag_t) ) {
+ return LBER_DEFAULT;
+ }
- /* want leading, not trailing 0's */
- return( tag >> (sizeof(long) - i - 1) );
+ return tag;
}
-unsigned long
-ber_skip_tag( BerElement *ber, unsigned long *len )
+ber_tag_t
+ber_skip_tag( BerElement *ber, ber_len_t *len )
{
- unsigned long tag;
+ ber_tag_t tag;
unsigned char lc;
- unsigned int noctets;
- int diff;
- unsigned long netlen;
+ ber_len_t i, noctets;
+ unsigned char netlen[sizeof(ber_len_t)];
assert( ber != NULL );
assert( len != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
/*
* Any ber element looks like this: tag length contents.
* 2) primitive encodings used whenever possible
*/
+ *len = 0;
+
/*
* First, we read the tag.
*/
- if ( (tag = ber_get_tag( ber )) == LBER_DEFAULT )
- return( LBER_DEFAULT );
+ if ( (tag = ber_get_tag( ber )) == LBER_DEFAULT ) {
+ return LBER_DEFAULT;
+ }
/*
* Next, read the length. The first byte contains the length of
- * the length. If bit 8 is set, the length is the long form,
+ * the length. If bit 8 is set, the length is the long form,
* otherwise it's the short form. We don't allow a length that's
- * greater than what we can hold in an unsigned long.
+ * greater than what we can hold in a ber_len_t.
*/
- *len = netlen = 0;
- if ( ber_read( ber, (char *) &lc, 1 ) != 1 )
- return( LBER_DEFAULT );
+ if ( ber_read( ber, (char *) &lc, 1 ) != 1 ) {
+ return LBER_DEFAULT;
+ }
+
if ( lc & 0x80U ) {
noctets = (lc & 0x7fU);
- if ( (unsigned) noctets > sizeof(unsigned long) )
- return( LBER_DEFAULT );
- diff = sizeof(unsigned long) - noctets;
- if ( (unsigned) ber_read( ber, (char *) &netlen + diff, noctets )
- != noctets )
- return( LBER_DEFAULT );
- *len = AC_NTOHL( netlen );
+
+ if ( noctets > sizeof(ber_len_t) ) {
+ return LBER_DEFAULT;
+ }
+
+ if( (unsigned) ber_read( ber, (char *) netlen, noctets ) != noctets ) {
+ return LBER_DEFAULT;
+ }
+
+ for( i = 0; i < noctets; i++ ) {
+ *len <<= 8;
+ *len |= netlen[i];
+ }
+
} else {
*len = lc;
}
- return( tag );
+ /* BER element should have enough data left */
+ if( *len > (ber_len_t) ber_pvt_ber_remaining( ber ) ) {
+ return LBER_DEFAULT;
+ }
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
+
+ return tag;
}
-unsigned long
+ber_tag_t
ber_peek_tag(
- LDAP_CONST BerElement *ber_in, /* not const per c-api-02 */
- unsigned long *len )
+ BerElement *ber,
+ ber_len_t *len )
{
- unsigned long tag;
- BerElement *ber;
-
- assert( ber_in != NULL );
- assert( BER_VALID( ber_in ) );
-
- ber = ber_dup( ber_in );
-
- if( ber == NULL ) {
- return LBER_ERROR;
- }
+ /*
+ * This implementation assumes ber_skip_tag() only
+ * modifies ber_ptr field of the BerElement.
+ */
- assert( BER_VALID( ber ) );
+ char *save;
+ ber_tag_t tag, old;
+ old = ber->ber_tag;
+ save = ber->ber_ptr;
tag = ber_skip_tag( ber, len );
+ ber->ber_ptr = save;
+ ber->ber_tag = old;
- ber_free( ber, 0 );
- return( tag );
+ return tag;
}
-static int
-ber_getnint( BerElement *ber, long *num, int len )
+static ber_len_t
+ber_getnint(
+ BerElement *ber,
+ ber_int_t *num,
+ ber_len_t len )
{
- int diff, sign, i;
- long netnum;
- char *p;
+ unsigned char buf[sizeof(ber_int_t)];
assert( ber != NULL );
assert( num != NULL );
-
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
/*
* The tag and length have already been stripped off. We should
* extend after we read it in.
*/
- if ( (unsigned) len > sizeof(long) )
- return( -1 );
-
- netnum = 0;
- diff = sizeof(long) - len;
- /* read into the low-order bytes of netnum */
- if ( ber_read( ber, ((char *) &netnum) + diff, len ) != len )
- return( -1 );
-
- /* sign extend if necessary */
- p = (char *) &netnum;
- sign = (0x80 & *(p+diff) );
- if ( sign && ((unsigned) len < sizeof(long)) ) {
- for ( i = 0; i < diff; i++ ) {
- *(p+i) = (unsigned char) 0xff;
+ if ( len > sizeof(ber_int_t) ) {
+ return -1;
+ }
+
+ /* read into the low-order bytes of our buffer */
+ if ( (ber_len_t) ber_read( ber, (char *) buf, len ) != len ) {
+ return -1;
+ }
+
+ if( len ) {
+ /* sign extend if necessary */
+ ber_len_t i;
+ ber_int_t netnum = 0x80 & buf[0] ? -1 : 0;
+
+ /* shift in the bytes */
+ for( i=0 ; i<len; i++ ) {
+ netnum = (netnum << 8 ) | buf[i];
}
+
+ *num = netnum;
+
+ } else {
+ *num = 0;
}
- *num = AC_NTOHL( netnum );
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
- return( len );
+ return len;
}
-unsigned long
-ber_get_int( BerElement *ber, long *num )
+ber_tag_t
+ber_get_int(
+ BerElement *ber,
+ ber_int_t *num )
{
- unsigned long tag, len;
+ ber_tag_t tag;
+ ber_len_t len;
assert( ber != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT )
- return( LBER_DEFAULT );
+ if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT ) {
+ return LBER_DEFAULT;
+ }
- if ( (unsigned long) ber_getnint( ber, num, (int)len ) != len )
- return( LBER_DEFAULT );
- else
- return( tag );
+ if ( ber_getnint( ber, num, len ) != len ) {
+ return LBER_DEFAULT;
+ }
+
+ return tag;
+}
+
+ber_tag_t
+ber_get_enum(
+ BerElement *ber,
+ ber_int_t *num )
+{
+ return ber_get_int( ber, num );
}
-unsigned long
-ber_get_stringb( BerElement *ber, char *buf, unsigned long *len )
+ber_tag_t
+ber_get_stringb(
+ BerElement *ber,
+ char *buf,
+ ber_len_t *len )
{
- unsigned long datalen, tag;
-#ifdef STR_TRANSLATION
- char *transbuf;
-#endif /* STR_TRANSLATION */
+ ber_len_t datalen;
+ ber_tag_t tag;
assert( ber != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT )
- return( LBER_DEFAULT );
- if ( datalen > (*len - 1) )
- return( LBER_DEFAULT );
+ if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT ) {
+ return LBER_DEFAULT;
+ }
- if ( (unsigned long) ber_read( ber, buf, datalen ) != datalen )
- return( LBER_DEFAULT );
+ /* must fit within allocated space with termination */
+ if ( datalen >= *len ) {
+ return LBER_DEFAULT;
+ }
+
+ if ( (ber_len_t) ber_read( ber, buf, datalen ) != datalen ) {
+ return LBER_DEFAULT;
+ }
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
buf[datalen] = '\0';
-#ifdef STR_TRANSLATION
- if ( datalen > 0 && ( ber->ber_options & LBER_TRANSLATE_STRINGS ) != 0
- && ber->ber_decode_translate_proc ) {
- transbuf = buf;
- ++datalen;
- if ( (*(ber->ber_decode_translate_proc))( &transbuf, &datalen,
- 0 ) != 0 ) {
- return( LBER_DEFAULT );
- }
- if ( datalen > *len ) {
- free( transbuf );
- return( LBER_DEFAULT );
+ *len = datalen;
+ return tag;
+}
+
+/* Definitions for get_string vector
+ *
+ * ChArray, BvArray, and BvVec are self-explanatory.
+ * BvOff is a struct berval embedded in an array of larger structures
+ * of siz bytes at off bytes from the beginning of the struct.
+ */
+enum bgbvc { ChArray, BvArray, BvVec, BvOff };
+
+/* Use this single cookie for state, to keep actual
+ * stack use to the absolute minimum.
+ */
+typedef struct bgbvr {
+ enum bgbvc choice;
+ BerElement *ber;
+ int alloc;
+ ber_len_t siz;
+ ber_len_t off;
+ union {
+ char ***c;
+ BerVarray *ba;
+ struct berval ***bv;
+ } res;
+} bgbvr;
+
+static ber_tag_t
+ber_get_stringbvl( bgbvr *b, ber_len_t *rlen )
+{
+ int i = 0, n;
+ ber_tag_t tag;
+ ber_len_t len;
+ char *last, *orig;
+ struct berval bv, *bvp = NULL;
+
+ /* For rewinding, just like ber_peek_tag() */
+ orig = b->ber->ber_ptr;
+ tag = b->ber->ber_tag;
+
+ if ( ber_first_element( b->ber, &len, &last ) != LBER_DEFAULT ) {
+ for ( ; b->ber->ber_ptr < last; i++ ) {
+ if (ber_skip_tag( b->ber, &len ) == LBER_DEFAULT) break;
+ b->ber->ber_ptr += len;
+ b->ber->ber_tag = *(unsigned char *)b->ber->ber_ptr;
}
- SAFEMEMCPY( buf, transbuf, datalen );
- free( transbuf );
- --datalen;
}
-#endif /* STR_TRANSLATION */
- *len = datalen;
- return( tag );
+ if ( rlen ) *rlen = i;
+
+ if ( i == 0 ) {
+ *b->res.c = NULL;
+ return 0;
+ }
+
+ n = i;
+
+ /* Allocate the result vector */
+ switch (b->choice) {
+ case ChArray:
+ *b->res.c = ber_memalloc_x( (n+1)*sizeof( char * ),
+ b->ber->ber_memctx);
+ if ( *b->res.c == NULL ) return LBER_DEFAULT;
+ (*b->res.c)[n] = NULL;
+ break;
+ case BvArray:
+ *b->res.ba = ber_memalloc_x( (n+1)*sizeof( struct berval ),
+ b->ber->ber_memctx);
+ if ( *b->res.ba == NULL ) return LBER_DEFAULT;
+ (*b->res.ba)[n].bv_val = NULL;
+ break;
+ case BvVec:
+ *b->res.bv = ber_memalloc_x( (n+1)*sizeof( struct berval *),
+ b->ber->ber_memctx);
+ if ( *b->res.bv == NULL ) return LBER_DEFAULT;
+ (*b->res.bv)[n] = NULL;
+ break;
+ case BvOff:
+ *b->res.ba = ber_memalloc_x( (n+1) * b->siz, b->ber->ber_memctx );
+ if ( *b->res.ba == NULL ) return LBER_DEFAULT;
+ ((struct berval *)((long)(*b->res.ba) + n*b->siz +
+ b->off))->bv_val = NULL;
+ break;
+ }
+ b->ber->ber_ptr = orig;
+ b->ber->ber_tag = tag;
+ ber_skip_tag( b->ber, &len );
+
+ for (n=0; n<i; n++)
+ {
+ tag = ber_next_element( b->ber, &len, last );
+ if ( ber_get_stringbv( b->ber, &bv, b->alloc ) == LBER_DEFAULT ) {
+ goto nomem;
+ }
+
+ /* store my result */
+ switch (b->choice) {
+ case ChArray:
+ (*b->res.c)[n] = bv.bv_val;
+ break;
+ case BvArray:
+ (*b->res.ba)[n] = bv;
+ break;
+ case BvVec:
+ bvp = ber_memalloc_x( sizeof( struct berval ), b->ber->ber_memctx);
+ if ( !bvp ) {
+ LBER_FREE(bv.bv_val);
+ goto nomem;
+ }
+ (*b->res.bv)[n] = bvp;
+ *bvp = bv;
+ break;
+ case BvOff:
+ *(BerVarray)((long)(*b->res.ba)+n*b->siz+b->off) = bv;
+ break;
+ }
+ }
+ return tag;
+
+nomem:
+ if (b->alloc || b->choice == BvVec) {
+ for (--n; n>=0; n--) {
+ switch(b->choice) {
+ case ChArray:
+ LBER_FREE((*b->res.c)[n]);
+ break;
+ case BvArray:
+ LBER_FREE((*b->res.ba)[n].bv_val);
+ break;
+ case BvVec:
+ LBER_FREE((*b->res.bv)[n]->bv_val);
+ LBER_FREE((*b->res.bv)[n]);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ LBER_FREE(*b->res.c);
+ *b->res.c = NULL;
+ return LBER_DEFAULT;
}
-unsigned long
-ber_get_stringa( BerElement *ber, char **buf )
+ber_tag_t
+ber_get_stringbv( BerElement *ber, struct berval *bv, int alloc )
{
- unsigned long datalen, tag;
+ ber_tag_t tag;
assert( ber != NULL );
- assert( buf != NULL );
+ assert( bv != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT ) {
- *buf = NULL;
- return( LBER_DEFAULT );
+ if ( (tag = ber_skip_tag( ber, &bv->bv_len )) == LBER_DEFAULT ) {
+ bv->bv_val = NULL;
+ return LBER_DEFAULT;
}
- if ( (*buf = (char *) malloc( (size_t)datalen + 1 )) == NULL )
- return( LBER_DEFAULT );
+ if ( (ber_len_t) ber_pvt_ber_remaining( ber ) < bv->bv_len ) {
+ return LBER_DEFAULT;
+ }
- if ( (unsigned long) ber_read( ber, *buf, datalen ) != datalen ) {
- free( *buf );
- *buf = NULL;
- return( LBER_DEFAULT );
- }
- (*buf)[datalen] = '\0';
-
-#ifdef STR_TRANSLATION
- if ( datalen > 0 && ( ber->ber_options & LBER_TRANSLATE_STRINGS ) != 0
- && ber->ber_decode_translate_proc ) {
- ++datalen;
- if ( (*(ber->ber_decode_translate_proc))( buf, &datalen, 1 )
- != 0 ) {
- free( *buf );
- *buf = NULL;
- return( LBER_DEFAULT );
+ if ( alloc ) {
+ bv->bv_val = (char *) ber_memalloc_x( bv->bv_len + 1,
+ ber->ber_memctx );
+ if ( bv->bv_val == NULL ) {
+ return LBER_DEFAULT;
}
+
+ if ( bv->bv_len > 0 && (ber_len_t) ber_read( ber, bv->bv_val,
+ bv->bv_len ) != bv->bv_len )
+ {
+ LBER_FREE( bv->bv_val );
+ bv->bv_val = NULL;
+ return LBER_DEFAULT;
+ }
+ } else {
+ bv->bv_val = ber->ber_ptr;
+ ber->ber_ptr += bv->bv_len;
}
-#endif /* STR_TRANSLATION */
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
+ bv->bv_val[bv->bv_len] = '\0';
- return( tag );
+ return tag;
}
-unsigned long
-ber_get_stringal( BerElement *ber, struct berval **bv )
+ber_tag_t
+ber_get_stringbv_null( BerElement *ber, struct berval *bv, int alloc )
{
- unsigned long len, tag;
+ ber_tag_t tag;
assert( ber != NULL );
assert( bv != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT ) {
- *bv = NULL;
- return( LBER_DEFAULT );
+ if ( (tag = ber_skip_tag( ber, &bv->bv_len )) == LBER_DEFAULT ) {
+ bv->bv_val = NULL;
+ return LBER_DEFAULT;
}
- if ( (*bv = (struct berval *) malloc( sizeof(struct berval) )) == NULL )
- return( LBER_DEFAULT );
+ if ( (ber_len_t) ber_pvt_ber_remaining( ber ) < bv->bv_len ) {
+ return LBER_DEFAULT;
+ }
- if ( ((*bv)->bv_val = (char *) malloc( (size_t)len + 1 )) == NULL ) {
- free( *bv );
- *bv = NULL;
- return( LBER_DEFAULT );
+ if ( bv->bv_len == 0 ) {
+ bv->bv_val = NULL;
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
+ return tag;
}
- if ( (unsigned long) ber_read( ber, (*bv)->bv_val, len ) != len ) {
- ber_bvfree( *bv );
- *bv = NULL;
- return( LBER_DEFAULT );
- }
- ((*bv)->bv_val)[len] = '\0';
- (*bv)->bv_len = len;
-
-#ifdef STR_TRANSLATION
- if ( len > 0 && ( ber->ber_options & LBER_TRANSLATE_STRINGS ) != 0
- && ber->ber_decode_translate_proc ) {
- ++len;
- if ( (*(ber->ber_decode_translate_proc))( &((*bv)->bv_val),
- &len, 1 ) != 0 ) {
- ber_bvfree( *bv );
- *bv = NULL;
- return( LBER_DEFAULT );
+ if ( alloc ) {
+ bv->bv_val = (char *) ber_memalloc_x( bv->bv_len + 1,
+ ber->ber_memctx );
+ if ( bv->bv_val == NULL ) {
+ return LBER_DEFAULT;
}
- (*bv)->bv_len = len - 1;
+
+ if ( bv->bv_len > 0 && (ber_len_t) ber_read( ber, bv->bv_val,
+ bv->bv_len ) != bv->bv_len )
+ {
+ LBER_FREE( bv->bv_val );
+ bv->bv_val = NULL;
+ return LBER_DEFAULT;
+ }
+ } else {
+ bv->bv_val = ber->ber_ptr;
+ ber->ber_ptr += bv->bv_len;
}
-#endif /* STR_TRANSLATION */
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
+ bv->bv_val[bv->bv_len] = '\0';
- return( tag );
+ return tag;
+}
+
+ber_tag_t
+ber_get_stringa( BerElement *ber, char **buf )
+{
+ BerValue bv;
+ ber_tag_t tag;
+
+ assert( buf != NULL );
+
+ tag = ber_get_stringbv( ber, &bv, 1 );
+ *buf = bv.bv_val;
+
+ return tag;
+}
+
+ber_tag_t
+ber_get_stringa_null( BerElement *ber, char **buf )
+{
+ BerValue bv;
+ ber_tag_t tag;
+
+ assert( buf != NULL );
+
+ tag = ber_get_stringbv_null( ber, &bv, 1 );
+ *buf = bv.bv_val;
+
+ return tag;
+}
+
+ber_tag_t
+ber_get_stringal( BerElement *ber, struct berval **bv )
+{
+ ber_tag_t tag;
+
+ assert( ber != NULL );
+ assert( bv != NULL );
+
+ *bv = (struct berval *) ber_memalloc_x( sizeof(struct berval),
+ ber->ber_memctx );
+ if ( *bv == NULL ) {
+ return LBER_DEFAULT;
+ }
+
+ tag = ber_get_stringbv( ber, *bv, 1 );
+ if ( tag == LBER_DEFAULT ) {
+ LBER_FREE( *bv );
+ *bv = NULL;
+ }
+ return tag;
}
-unsigned long
-ber_get_bitstringa( BerElement *ber, char **buf, unsigned long *blen )
+ber_tag_t
+ber_get_bitstringa(
+ BerElement *ber,
+ char **buf,
+ ber_len_t *blen )
{
- unsigned long datalen, tag;
+ ber_len_t datalen;
+ ber_tag_t tag;
unsigned char unusedbits;
assert( ber != NULL );
assert( buf != NULL );
assert( blen != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT ) {
*buf = NULL;
- return( LBER_DEFAULT );
+ return LBER_DEFAULT;
}
--datalen;
- if ( (*buf = (char *) malloc( (size_t)datalen )) == NULL )
- return( LBER_DEFAULT );
+ *buf = (char *) ber_memalloc_x( datalen, ber->ber_memctx );
+ if ( *buf == NULL ) {
+ return LBER_DEFAULT;
+ }
if ( ber_read( ber, (char *)&unusedbits, 1 ) != 1 ) {
- free( buf );
+ LBER_FREE( buf );
*buf = NULL;
- return( LBER_DEFAULT );
+ return LBER_DEFAULT;
}
- if ( (unsigned long) ber_read( ber, *buf, datalen ) != datalen ) {
- free( buf );
+ if ( (ber_len_t) ber_read( ber, *buf, datalen ) != datalen ) {
+ LBER_FREE( buf );
*buf = NULL;
- return( LBER_DEFAULT );
+ return LBER_DEFAULT;
}
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
*blen = datalen * 8 - unusedbits;
- return( tag );
+ return tag;
}
-unsigned long
+ber_tag_t
ber_get_null( BerElement *ber )
{
- unsigned long len, tag;
+ ber_len_t len;
+ ber_tag_t tag;
assert( ber != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT )
- return( LBER_DEFAULT );
+ if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT ) {
+ return LBER_DEFAULT;
+ }
- if ( len != 0 )
- return( LBER_DEFAULT );
+ if ( len != 0 ) {
+ return LBER_DEFAULT;
+ }
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
return( tag );
}
-unsigned long
-ber_get_boolean( BerElement *ber, int *boolval )
+ber_tag_t
+ber_get_boolean(
+ BerElement *ber,
+ ber_int_t *boolval )
{
- long longbool;
- int rc;
+ ber_int_t longbool;
+ ber_tag_t rc;
assert( ber != NULL );
assert( boolval != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
rc = ber_get_int( ber, &longbool );
*boolval = longbool;
- return( rc );
+ return rc;
}
-unsigned long
-ber_first_element( BerElement *ber, unsigned long *len, char **last )
+ber_tag_t
+ber_first_element(
+ BerElement *ber,
+ ber_len_t *len,
+ char **last )
{
assert( ber != NULL );
assert( len != NULL );
/* skip the sequence header, use the len to mark where to stop */
if ( ber_skip_tag( ber, len ) == LBER_DEFAULT ) {
*last = NULL;
- return( LBER_DEFAULT );
+ return LBER_DEFAULT;
}
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
*last = ber->ber_ptr + *len;
if ( *last == ber->ber_ptr ) {
- return( LBER_DEFAULT );
+ return LBER_DEFAULT;
}
- return( ber_peek_tag( ber, len ) );
+ return ber_peek_tag( ber, len );
}
-unsigned long
-ber_next_element( BerElement *ber, unsigned long *len, char *last )
+ber_tag_t
+ber_next_element(
+ BerElement *ber,
+ ber_len_t *len,
+ LDAP_CONST char *last )
{
assert( ber != NULL );
assert( len != NULL );
assert( last != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
- if ( ber->ber_ptr == last ) {
- return( LBER_DEFAULT );
+ if ( ber->ber_ptr >= last ) {
+ return LBER_DEFAULT;
}
- return( ber_peek_tag( ber, len ) );
+ return ber_peek_tag( ber, len );
}
/* VARARGS */
-unsigned long
-ber_scanf
-#if HAVE_STDARG
- ( BerElement *ber,
+ber_tag_t
+ber_scanf ( BerElement *ber,
LDAP_CONST char *fmt,
... )
-#else
- ( va_alist )
-va_dcl
-#endif
{
va_list ap;
-#ifndef HAVE_STDARG
- BerElement *ber;
- char *fmt;
-#endif
LDAP_CONST char *fmt_reset;
- char *last;
- char *s, **ss, ***sss;
- struct berval ***bv, **bvp, *bval;
- int *i, j;
- long *l;
- unsigned long rc, tag, len;
-
-#ifdef HAVE_STDARG
+ char *s, **ss;
+ struct berval **bvp, *bval;
+ ber_int_t *i;
+ ber_len_t *l;
+ ber_tag_t *t;
+ ber_tag_t rc;
+ ber_len_t len;
+
va_start( ap, fmt );
-#else
- va_start( ap );
- ber = va_arg( ap, BerElement * );
- fmt = va_arg( ap, char * );
-#endif
assert( ber != NULL );
assert( fmt != NULL );
- assert( BER_VALID( ber ) );
+ assert( LBER_VALID( ber ) );
fmt_reset = fmt;
rc = ber_get_stringa( ber, ss );
break;
+ case 'A': /* octet string - allocate storage as needed,
+ * but return NULL if len == 0 */
+ ss = va_arg( ap, char ** );
+ rc = ber_get_stringa_null( ber, ss );
+ break;
+
case 'b': /* boolean */
- i = va_arg( ap, int * );
+ i = va_arg( ap, ber_int_t * );
rc = ber_get_boolean( ber, i );
break;
+ case 'B': /* bit string - allocate storage as needed */
+ ss = va_arg( ap, char ** );
+ l = va_arg( ap, ber_len_t * ); /* for length, in bits */
+ rc = ber_get_bitstringa( ber, ss, l );
+ break;
+
case 'e': /* enumerated */
case 'i': /* int */
- l = va_arg( ap, long * );
- rc = ber_get_int( ber, l );
+ i = va_arg( ap, ber_int_t * );
+ rc = ber_get_int( ber, i );
break;
case 'l': /* length of next item */
- l = va_arg( ap, long * );
+ l = va_arg( ap, ber_len_t * );
rc = ber_peek_tag( ber, l );
break;
- case 'n': /* null */
- rc = ber_get_null( ber );
+ case 'm': /* octet string in berval, in-place */
+ bval = va_arg( ap, struct berval * );
+ rc = ber_get_stringbv( ber, bval, 0 );
break;
- case 's': /* octet string - in a buffer */
- s = va_arg( ap, char * );
- l = va_arg( ap, long * );
- rc = ber_get_stringb( ber, s, l );
+ case 'M': /* bvoffarray - must include address of
+ * a record len, and record offset.
+ * number of records will be returned thru
+ * len ptr on finish. parsed in-place.
+ */
+ {
+ bgbvr cookie = { BvOff };
+ cookie.ber = ber;
+ cookie.res.ba = va_arg( ap, struct berval ** );
+ cookie.alloc = 0;
+ l = va_arg( ap, ber_len_t * );
+ cookie.siz = *l;
+ cookie.off = va_arg( ap, ber_len_t );
+ rc = ber_get_stringbvl( &cookie, l );
+ break;
+ }
+
+ case 'n': /* null */
+ rc = ber_get_null( ber );
break;
case 'o': /* octet string in a supplied berval */
bval = va_arg( ap, struct berval * );
- ber_peek_tag( ber, &bval->bv_len );
- rc = ber_get_stringa( ber, &bval->bv_val );
+ rc = ber_get_stringbv( ber, bval, 1 );
break;
case 'O': /* octet string - allocate & include length */
rc = ber_get_stringal( ber, bvp );
break;
- case 'B': /* bit string - allocate storage as needed */
- ss = va_arg( ap, char ** );
- l = va_arg( ap, long * ); /* for length, in bits */
- rc = ber_get_bitstringa( ber, ss, l );
+ case 's': /* octet string - in a buffer */
+ s = va_arg( ap, char * );
+ l = va_arg( ap, ber_len_t * );
+ rc = ber_get_stringb( ber, s, l );
break;
case 't': /* tag of next item */
- l = va_arg( ap, long * );
- *l = rc = ber_peek_tag( ber, &len );
+ t = va_arg( ap, ber_tag_t * );
+ *t = rc = ber_peek_tag( ber, &len );
break;
case 'T': /* skip tag of next item */
- l = va_arg( ap, long * );
- *l = rc = ber_skip_tag( ber, &len );
+ t = va_arg( ap, ber_tag_t * );
+ *t = rc = ber_skip_tag( ber, &len );
break;
case 'v': /* sequence of strings */
- sss = va_arg( ap, char *** );
- *sss = NULL;
- j = 0;
- for ( tag = ber_first_element( ber, &len, &last );
- tag != LBER_DEFAULT && rc != LBER_DEFAULT;
- tag = ber_next_element( ber, &len, last ) )
- {
- if ( *sss == NULL ) {
- *sss = (char **) malloc(
- 2 * sizeof(char *) );
- } else {
- *sss = (char **) realloc( *sss,
- (j + 2) * sizeof(char *) );
- }
- rc = ber_get_stringa( ber, &((*sss)[j]) );
- j++;
- }
- if ( j > 0 )
- (*sss)[j] = NULL;
+ {
+ bgbvr cookie = { ChArray };
+ cookie.ber = ber;
+ cookie.res.c = va_arg( ap, char *** );
+ cookie.alloc = 1;
+ rc = ber_get_stringbvl( &cookie, NULL );
break;
+ }
case 'V': /* sequence of strings + lengths */
- bv = va_arg( ap, struct berval *** );
- *bv = NULL;
- j = 0;
- for ( tag = ber_first_element( ber, &len, &last );
- tag != LBER_DEFAULT && rc != LBER_DEFAULT;
- tag = ber_next_element( ber, &len, last ) )
- {
- if ( *bv == NULL ) {
- *bv = (struct berval **) malloc(
- 2 * sizeof(struct berval *) );
- } else {
- *bv = (struct berval **) realloc( *bv,
- (j + 2) * sizeof(struct berval *) );
- }
- rc = ber_get_stringal( ber, &((*bv)[j]) );
- j++;
- }
- if ( j > 0 )
- (*bv)[j] = NULL;
+ {
+ bgbvr cookie = { BvVec };
+ cookie.ber = ber;
+ cookie.res.bv = va_arg( ap, struct berval *** );
+ cookie.alloc = 1;
+ rc = ber_get_stringbvl( &cookie, NULL );
break;
+ }
+
+ case 'W': /* bvarray */
+ {
+ bgbvr cookie = { BvArray };
+ cookie.ber = ber;
+ cookie.res.ba = va_arg( ap, struct berval ** );
+ cookie.alloc = 1;
+ rc = ber_get_stringbvl( &cookie, NULL );
+ break;
+ }
case 'x': /* skip the next element - whatever it is */
if ( (rc = ber_skip_tag( ber, &len )) == LBER_DEFAULT )
break;
ber->ber_ptr += len;
+ ber->ber_tag = *(unsigned char *)ber->ber_ptr;
break;
case '{': /* begin sequence */
case '[': /* begin set */
- if ( *(fmt + 1) != 'v' && *(fmt + 1) != 'V' )
+ if ( *(fmt + 1) != 'v' && *(fmt + 1) != 'V'
+ && *(fmt + 1) != 'W' && *(fmt + 1) != 'M' )
rc = ber_skip_tag( ber, &len );
break;
}
va_end( ap );
-
if ( rc == LBER_DEFAULT ) {
- /*
- * Error. Reclaim malloced memory that was given to the caller.
- * Set allocated pointers to NULL, "data length" outvalues to 0.
- */
-#ifdef HAVE_STDARG
- va_start( ap, fmt );
-#else
- va_start( ap );
- (void) va_arg( ap, BerElement * );
- (void) va_arg( ap, char * );
-#endif
-
- for ( ; fmt_reset < fmt; fmt_reset++ ) {
+ /*
+ * Error. Reclaim malloced memory that was given to the caller.
+ * Set allocated pointers to NULL, "data length" outvalues to 0.
+ */
+ va_start( ap, fmt );
+
+ for ( ; fmt_reset < fmt; fmt_reset++ ) {
switch ( *fmt_reset ) {
case '!': { /* Hook */
BERDecodeCallback *f;
} break;
case 'a': /* octet string - allocate storage as needed */
+ case 'A':
ss = va_arg( ap, char ** );
if ( *ss ) {
- free( *ss );
+ LBER_FREE( *ss );
*ss = NULL;
}
break;
case 'b': /* boolean */
+ case 'e': /* enumerated */
+ case 'i': /* int */
(void) va_arg( ap, int * );
break;
- case 's': /* octet string - in a buffer */
- (void) va_arg( ap, char * );
- (void) va_arg( ap, long * );
- break;
-
- case 'e': /* enumerated */
- case 'i': /* int */
case 'l': /* length of next item */
- case 't': /* tag of next item */
- case 'T': /* skip tag of next item */
- (void) va_arg( ap, long * );
+ (void) va_arg( ap, ber_len_t * );
break;
case 'o': /* octet string in a supplied berval */
bval = va_arg( ap, struct berval * );
if ( bval->bv_val != NULL ) {
- free( bval->bv_val );
+ LBER_FREE( bval->bv_val );
bval->bv_val = NULL;
}
bval->bv_len = 0;
}
break;
+ case 's': /* octet string - in a buffer */
+ (void) va_arg( ap, char * );
+ (void) va_arg( ap, ber_len_t * );
+ break;
+
+ case 't': /* tag of next item */
+ case 'T': /* skip tag of next item */
+ (void) va_arg( ap, ber_tag_t * );
+ break;
+
case 'B': /* bit string - allocate storage as needed */
ss = va_arg( ap, char ** );
if ( *ss ) {
- free( *ss );
+ LBER_FREE( *ss );
*ss = NULL;
}
- *(va_arg( ap, long * )) = 0; /* for length, in bits */
+ *(va_arg( ap, ber_len_t * )) = 0; /* for length, in bits */
break;
+ case 'm': /* berval in-place */
+ case 'M': /* BVoff array in-place */
+ case 'n': /* null */
case 'v': /* sequence of strings */
- sss = va_arg( ap, char *** );
- if ( *sss ) {
- for (j = 0; (*sss)[j]; j++) {
- free( (*sss)[j] );
- (*sss)[j] = NULL;
- }
- free( *sss );
- *sss = NULL;
- }
- break;
-
case 'V': /* sequence of strings + lengths */
- bv = va_arg( ap, struct berval *** );
- if ( *bv ) {
- ber_bvecfree( *bv );
- *bv = NULL;
- }
- break;
-
- case 'n': /* null */
+ case 'W': /* BerVarray */
case 'x': /* skip the next element - whatever it is */
case '{': /* begin sequence */
case '[': /* begin set */
/* format should be good */
assert( 0 );
}
- }
-
- va_end( ap );
- }
-
- return( rc );
-}
-
-void
-ber_bvfree( struct berval *bv )
-{
- assert(bv != NULL); /* bv damn better point to something */
-
- if ( bv->bv_val != NULL )
- free( bv->bv_val );
- free( (char *) bv );
-}
-
-void
-ber_bvecfree( struct berval **bv )
-{
- int i;
-
- assert(bv != NULL); /* bv damn better point to something */
-
- for ( i = 0; bv[i] != NULL; i++ )
- ber_bvfree( bv[i] );
- free( (char *) bv );
-}
-
-struct berval *
-ber_bvdup(
- LDAP_CONST struct berval *bv )
-{
- struct berval *new;
-
- assert( bv != NULL );
-
- if( bv == NULL ) {
- return NULL;
- }
-
- if ( (new = (struct berval *) malloc( sizeof(struct berval) ))
- == NULL ) {
- return( NULL );
- }
-
- if ( bv->bv_val == NULL ) {
- new->bv_val = NULL;
- new->bv_len = 0;
- return ( new );
- }
+ }
- if ( (new->bv_val = (char *) malloc( bv->bv_len + 1 )) == NULL ) {
- free( new );
- return( NULL );
+ va_end( ap );
}
- SAFEMEMCPY( new->bv_val, bv->bv_val, (size_t) bv->bv_len );
- new->bv_val[bv->bv_len] = '\0';
- new->bv_len = bv->bv_len;
-
- return( new );
-}
-
-
-#ifdef STR_TRANSLATION
-void
-ber_set_string_translators( BerElement *ber, BERTranslateProc encode_proc,
- BERTranslateProc decode_proc )
-{
- assert( ber != NULL );
- assert( BER_VALID( ber ) );
-
- ber->ber_encode_translate_proc = encode_proc;
- ber->ber_decode_translate_proc = decode_proc;
+ return rc;
}
-#endif /* STR_TRANSLATION */
projects / openldap / blobdiff