-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* Portions
- * Copyright (c) 1990 Regents of the University of Michigan.
- * All rights reserved.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * All rights reserved.
*
- * search.c
+ * 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.
+ * All rights reserved.
*/
#include "portable.h"
#include <ac/stdlib.h>
-#include <ac/ctype.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "ldap-int.h"
-
-static char *find_right_paren LDAP_P((
- char *s ));
-
-static char *put_complex_filter LDAP_P((
- BerElement *ber,
- char *str,
- ber_tag_t tag,
- int not ));
-
-static int put_filter LDAP_P((
- BerElement *ber,
- char *str ));
-
-static int put_simple_filter LDAP_P((
- BerElement *ber,
- char *str ));
-
-static int put_substring_filter LDAP_P((
- BerElement *ber,
- char *type,
- char *str ));
-
-static int put_filter_list LDAP_P((
- BerElement *ber,
- char *str ));
+#include "ldap_log.h"
/*
* ldap_search_ext - initiate an ldap search operation.
*
* ld LDAP descriptor
* base DN of the base object
- * scope the search scope - one of LDAP_SCOPE_BASE,
- * LDAP_SCOPE_ONELEVEL, LDAP_SCOPE_SUBTREE
+ * scope the search scope - one of
+ * LDAP_SCOPE_BASE (baseObject),
+ * LDAP_SCOPE_ONELEVEL (oneLevel),
+ * LDAP_SCOPE_SUBTREE (subtree), or
+ * LDAP_SCOPE_SUBORDINATE (children) -- OpenLDAP extension
* filter a string containing the search filter
* (e.g., "(|(cn=bob)(sn=bob))")
* attrs list of attribute types to return for matches
*
* Example:
* char *attrs[] = { "mail", "title", 0 };
- * ldap_search_ext( ld, "c=us@o=UM", LDAP_SCOPE_SUBTREE, "cn~=bob",
+ * ldap_search_ext( ld, "dc=example,dc=com", LDAP_SCOPE_SUBTREE, "cn~=bob",
* attrs, attrsonly, sctrls, ctrls, timeout, sizelimit,
* &msgid );
*/
int sizelimit,
int *msgidp )
{
+ int rc;
BerElement *ber;
int timelimit;
+ ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_search_ext\n", 0, 0, 0 );
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+
+ /* check client controls */
+ rc = ldap_int_client_controls( ld, cctrls );
+ if( rc != LDAP_SUCCESS ) return rc;
+
/*
- * if timeout is provided, use only tv_sec as timelimit.
- * otherwise, use default.
+ * if timeout is provided, both tv_sec and tv_usec must
+ * not be zero
*/
- timelimit = (timeout != NULL)
- ? timelimit = timeout->tv_sec
- : -1;
+ if( timeout != NULL ) {
+ if( timeout->tv_sec == 0 && timeout->tv_usec == 0 ) {
+ return LDAP_PARAM_ERROR;
+ }
+
+ /* timelimit must be non-zero if timeout is provided */
+ timelimit = timeout->tv_sec != 0 ? timeout->tv_sec : 1;
+
+ } else {
+ /* no timeout, no timelimit */
+ timelimit = -1;
+ }
ber = ldap_build_search_req( ld, base, scope, filter, attrs,
- attrsonly, sctrls, cctrls, timelimit, sizelimit );
+ attrsonly, sctrls, cctrls, timelimit, sizelimit, &id );
if ( ber == NULL ) {
return ld->ld_errno;
}
-#ifndef LDAP_NOCACHE
- if ( ld->ld_cache != NULL ) {
- if ( ldap_check_cache( ld, LDAP_REQ_SEARCH, ber ) == 0 ) {
- ber_free( ber, 1 );
- ld->ld_errno = LDAP_SUCCESS;
- *msgidp = ld->ld_msgid;
- return ld->ld_errno;
- }
- ldap_add_request_to_cache( ld, LDAP_REQ_SEARCH, ber );
- }
-#endif /* LDAP_NOCACHE */
/* send the message */
- *msgidp = ldap_send_initial_request( ld, LDAP_REQ_SEARCH, base, ber );
+ *msgidp = ldap_send_initial_request( ld, LDAP_REQ_SEARCH, base, ber, id );
if( *msgidp < 0 )
return ld->ld_errno;
return( rc );
}
- if ( ldap_result( ld, msgid, 1, timeout, res ) == -1 )
+ rc = ldap_result( ld, msgid, LDAP_MSG_ALL, timeout, res );
+
+ if( rc <= 0 ) {
+ /* error(-1) or timeout(0) */
return( ld->ld_errno );
+ }
+
+ if( rc == LDAP_RES_SEARCH_REFERENCE || rc == LDAP_RES_INTERMEDIATE ) {
+ return( ld->ld_errno );
+ }
return( ldap_result2error( ld, *res, 0 ) );
}
*
* ld LDAP descriptor
* base DN of the base object
- * scope the search scope - one of LDAP_SCOPE_BASE,
- * LDAP_SCOPE_ONELEVEL, LDAP_SCOPE_SUBTREE
+ * scope the search scope - one of
+ * LDAP_SCOPE_BASE (baseObject),
+ * LDAP_SCOPE_ONELEVEL (oneLevel),
+ * LDAP_SCOPE_SUBTREE (subtree), or
+ * LDAP_SCOPE_SUBORDINATE (children) -- OpenLDAP extension
* filter a string containing the search filter
* (e.g., "(|(cn=bob)(sn=bob))")
* attrs list of attribute types to return for matches
*
* Example:
* char *attrs[] = { "mail", "title", 0 };
- * msgid = ldap_search( ld, "c=us@o=UM", LDAP_SCOPE_SUBTREE, "cn~=bob",
+ * msgid = ldap_search( ld, "dc=example,dc=com", LDAP_SCOPE_SUBTREE, "cn~=bob",
* attrs, attrsonly );
*/
int
char **attrs, int attrsonly )
{
BerElement *ber;
+ ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_search\n", 0, 0, 0 );
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+
ber = ldap_build_search_req( ld, base, scope, filter, attrs,
- attrsonly, NULL, NULL, -1, -1 );
+ attrsonly, NULL, NULL, -1, -1, &id );
if ( ber == NULL ) {
return( -1 );
}
-#ifndef LDAP_NOCACHE
- if ( ld->ld_cache != NULL ) {
- if ( ldap_check_cache( ld, LDAP_REQ_SEARCH, ber ) == 0 ) {
- ber_free( ber, 1 );
- ld->ld_errno = LDAP_SUCCESS;
- return( ld->ld_msgid );
- }
- ldap_add_request_to_cache( ld, LDAP_REQ_SEARCH, ber );
- }
-#endif /* LDAP_NOCACHE */
/* send the message */
- return ( ldap_send_initial_request( ld, LDAP_REQ_SEARCH, base, ber ));
+ return ( ldap_send_initial_request( ld, LDAP_REQ_SEARCH, base, ber, id ));
}
BerElement *
ldap_build_search_req(
LDAP *ld,
- LDAP_CONST char *base_in,
+ LDAP_CONST char *base,
ber_int_t scope,
- LDAP_CONST char *filter_in,
+ LDAP_CONST char *filter,
char **attrs,
ber_int_t attrsonly,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t timelimit,
- ber_int_t sizelimit )
+ ber_int_t sizelimit,
+ ber_int_t *idp)
{
BerElement *ber;
int err;
- char *base;
- char *filter;
/*
* Create the search request. It looks like this:
return( NULL );
}
- if ( base_in == NULL ) {
+ if ( base == NULL ) {
/* no base provided, use session default base */
base = ld->ld_options.ldo_defbase;
- } else {
- base = (char *) base_in;
- }
- if ( base == NULL ) {
- /* no session default base, use top */
- base = "";
+ if ( base == NULL ) {
+ /* no session default base, use top */
+ base = "";
+ }
}
+ LDAP_NEXT_MSGID( ld, *idp );
#ifdef LDAP_CONNECTIONLESS
- if ( ld->ld_cldapnaddr > 0 ) {
- err = ber_printf( ber, "{ist{seeiib", ++ld->ld_msgid,
- ld->ld_cldapdn, LDAP_REQ_SEARCH, base, scope, ld->ld_deref,
- (sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
- (timelimit < 0) ? ld->ld_timelimit : timelimit,
- attrsonly );
- } else {
-#endif /* LDAP_CONNECTIONLESS */
- err = ber_printf( ber, "{it{seeiib", ++ld->ld_msgid,
- LDAP_REQ_SEARCH, base, (ber_int_t) scope, ld->ld_deref,
- (sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
- (timelimit < 0) ? ld->ld_timelimit : timelimit,
- attrsonly );
-#ifdef LDAP_CONNECTIONLESS
+ if ( LDAP_IS_UDP(ld) ) {
+ struct sockaddr sa = {0};
+ /* dummy, filled with ldo_peer in request.c */
+ err = ber_write( ber, &sa, sizeof( sa ), 0 );
+ }
+ if ( LDAP_IS_UDP(ld) && ld->ld_options.ldo_version == LDAP_VERSION2) {
+ char *dn = ld->ld_options.ldo_cldapdn;
+ if (!dn) dn = "";
+ err = ber_printf( ber, "{ist{seeiib", *idp, dn,
+ LDAP_REQ_SEARCH, base, (ber_int_t) scope, ld->ld_deref,
+ (sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
+ (timelimit < 0) ? ld->ld_timelimit : timelimit,
+ attrsonly );
+ } else
+#endif
+ {
+ err = ber_printf( ber, "{it{seeiib", *idp,
+ LDAP_REQ_SEARCH, base, (ber_int_t) scope, ld->ld_deref,
+ (sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
+ (timelimit < 0) ? ld->ld_timelimit : timelimit,
+ attrsonly );
}
-#endif /* LDAP_CONNECTIONLESS */
if ( err == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
return( NULL );
}
- filter = LDAP_STRDUP( filter_in );
- err = put_filter( ber, filter );
- LDAP_FREE( filter );
+ if( filter == NULL ) {
+ filter = "(objectclass=*)";
+ }
+
+ err = ldap_pvt_put_filter( ber, filter );
if ( err == -1 ) {
ld->ld_errno = LDAP_FILTER_ERROR;
return( NULL );
}
- if ( ber_printf( ber, /*{*/ "{v}}", attrs ) == -1 ) {
+#ifdef LDAP_DEBUG
+ if ( ldap_debug & LDAP_DEBUG_ARGS ) {
+ char buf[ BUFSIZ ] = { ' ', '*', '\0' };
+
+ if ( attrs != NULL ) {
+ char *ptr;
+ int i;
+
+ for ( ptr = buf, i = 0;
+ attrs[ i ] != NULL && ptr < &buf[ sizeof( buf ) ];
+ i++ )
+ {
+ ptr += snprintf( ptr, sizeof( buf ) - ( ptr - buf ),
+ " %s", attrs[ i ] );
+ }
+
+ if ( ptr >= &buf[ sizeof( buf ) ] ) {
+ AC_MEMCPY( &buf[ sizeof( buf ) - STRLENOF( "...(truncated)" ) - 1 ],
+ "...(truncated)", STRLENOF( "...(truncated)" ) + 1 );
+ }
+ }
+
+ Debug( LDAP_DEBUG_ARGS, "ldap_build_search_req ATTRS:%s\n", buf, 0, 0 );
+ }
+#endif /* LDAP_DEBUG */
+
+ if ( ber_printf( ber, /*{*/ "{v}N}", attrs ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
return( NULL );
}
- if ( ber_printf( ber, /*{*/ "}", attrs ) == -1 ) {
+ if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
return( ber );
}
-static char *
-find_right_paren( char *s )
-{
- int balance, escape;
-
- balance = 1;
- escape = 0;
- while ( *s && balance ) {
- if ( escape == 0 ) {
- if ( *s == '(' )
- balance++;
- else if ( *s == ')' )
- balance--;
- }
- if ( *s == '\\' && ! escape )
- escape = 1;
- else
- escape = 0;
- if ( balance )
- s++;
- }
-
- return( *s ? s : NULL );
-}
-
-static char *
-put_complex_filter( BerElement *ber, char *str, ber_tag_t tag, int not )
-{
- char *next;
-
- /*
- * We have (x(filter)...) with str sitting on
- * the x. We have to find the paren matching
- * the one before the x and put the intervening
- * filters by calling put_filter_list().
- */
-
- /* put explicit tag */
- if ( ber_printf( ber, "t{" /*}*/, tag ) == -1 )
- return( NULL );
-
- str++;
- if ( (next = find_right_paren( str )) == NULL )
- return( NULL );
-
- *next = '\0';
- if ( put_filter_list( ber, str ) == -1 )
- return( NULL );
- *next++ = ')';
-
- /* flush explicit tagged thang */
- if ( ber_printf( ber, /*{*/ "}" ) == -1 )
- return( NULL );
-
- return( next );
-}
-
-static int
-put_filter( BerElement *ber, char *str )
-{
- char *next, *tmp, *s, *d;
- int parens, balance, escape, gotescape;
-
- /*
- * A Filter looks like this:
- * Filter ::= CHOICE {
- * and [0] SET OF Filter,
- * or [1] SET OF Filter,
- * not [2] Filter,
- * equalityMatch [3] AttributeValueAssertion,
- * substrings [4] SubstringFilter,
- * greaterOrEqual [5] AttributeValueAssertion,
- * lessOrEqual [6] AttributeValueAssertion,
- * present [7] AttributeType,
- * approxMatch [8] AttributeValueAssertion,
- * extensibleMatch [9] MatchingRuleAssertion -- LDAPv3
- * }
- *
- * SubstringFilter ::= SEQUENCE {
- * type AttributeType,
- * SEQUENCE OF CHOICE {
- * initial [0] IA5String,
- * any [1] IA5String,
- * final [2] IA5String
- * }
- * }
- *
- * MatchingRuleAssertion ::= SEQUENCE { -- LDAPv3
- * matchingRule [1] MatchingRuleId OPTIONAL,
- * type [2] AttributeDescription OPTIONAL,
- * matchValue [3] AssertionValue,
- * dnAttributes [4] BOOLEAN DEFAULT FALSE }
- *
- * Note: tags in a choice are always explicit
- */
-
- Debug( LDAP_DEBUG_TRACE, "put_filter \"%s\"\n", str, 0, 0 );
-
- gotescape = parens = 0;
- while ( *str ) {
- switch ( *str ) {
- case '(':
- str++;
- parens++;
- switch ( *str ) {
- case '&':
- Debug( LDAP_DEBUG_TRACE, "put_filter: AND\n",
- 0, 0, 0 );
-
- if ( (str = put_complex_filter( ber, str,
- LDAP_FILTER_AND, 0 )) == NULL )
- return( -1 );
-
- parens--;
- break;
-
- case '|':
- Debug( LDAP_DEBUG_TRACE, "put_filter: OR\n",
- 0, 0, 0 );
-
- if ( (str = put_complex_filter( ber, str,
- LDAP_FILTER_OR, 0 )) == NULL )
- return( -1 );
-
- parens--;
- break;
-
- case '!':
- Debug( LDAP_DEBUG_TRACE, "put_filter: NOT\n",
- 0, 0, 0 );
-
- if ( (str = put_complex_filter( ber, str,
- LDAP_FILTER_NOT, 1 )) == NULL )
- return( -1 );
-
- parens--;
- break;
-
- default:
- Debug( LDAP_DEBUG_TRACE, "put_filter: simple\n",
- 0, 0, 0 );
-
- balance = 1;
- escape = 0;
- next = str;
- while ( *next && balance ) {
- if ( escape == 0 ) {
- if ( *next == '(' )
- balance++;
- else if ( *next == ')' )
- balance--;
- }
- if ( *next == '\\' && ! escape )
- gotescape = escape = 1;
- else
- escape = 0;
- if ( balance )
- next++;
- }
- if ( balance != 0 )
- return( -1 );
-
- *next = '\0';
- tmp = LDAP_STRDUP( str );
- if ( gotescape ) {
- escape = 0;
- for ( s = d = tmp; *s; s++ ) {
- if ( *s != '\\' || escape ) {
- *d++ = *s;
- escape = 0;
- } else {
- escape = 1;
- }
- }
- *d = '\0';
- }
- if ( put_simple_filter( ber, tmp ) == -1 ) {
- LDAP_FREE( tmp );
- return( -1 );
- }
- LDAP_FREE( tmp );
- *next++ = ')';
- str = next;
- parens--;
- break;
- }
- break;
-
- case ')':
- Debug( LDAP_DEBUG_TRACE, "put_filter: end\n", 0, 0,
- 0 );
- if ( ber_printf( ber, /*[*/ "]" ) == -1 )
- return( -1 );
- str++;
- parens--;
- break;
-
- case ' ':
- str++;
- break;
-
- default: /* assume it's a simple type=value filter */
- Debug( LDAP_DEBUG_TRACE, "put_filter: default\n", 0, 0,
- 0 );
- next = strchr( str, '\0' );
- tmp = LDAP_STRDUP( str );
- if ( strchr( tmp, '\\' ) != NULL ) {
- escape = 0;
- for ( s = d = tmp; *s; s++ ) {
- if ( *s != '\\' || escape ) {
- *d++ = *s;
- escape = 0;
- } else {
- escape = 1;
- }
- }
- *d = '\0';
- }
- if ( put_simple_filter( ber, tmp ) == -1 ) {
- LDAP_FREE( tmp );
- return( -1 );
- }
- LDAP_FREE( tmp );
- str = next;
- break;
- }
- }
-
- return( parens ? -1 : 0 );
-}
-
-/*
- * Put a list of filters like this "(filter1)(filter2)..."
- */
-
-static int
-put_filter_list( BerElement *ber, char *str )
-{
- char *next;
- char save;
-
- Debug( LDAP_DEBUG_TRACE, "put_filter_list \"%s\"\n", str, 0, 0 );
-
- while ( *str ) {
- while ( *str && isspace( (unsigned char) *str ) )
- str++;
- if ( *str == '\0' )
- break;
-
- if ( (next = find_right_paren( str + 1 )) == NULL )
- return( -1 );
- save = *++next;
-
- /* now we have "(filter)" with str pointing to it */
- *next = '\0';
- if ( put_filter( ber, str ) == -1 )
- return( -1 );
- *next = save;
-
- str = next;
- }
-
- return( 0 );
-}
-
-static int
-put_simple_filter(
- BerElement *ber,
- char *str )
-{
- char *s;
- char *value, savechar;
- ber_tag_t ftype;
- int rc;
-
- Debug( LDAP_DEBUG_TRACE, "put_simple_filter \"%s\"\n", str, 0, 0 );
-
- if ( (s = strchr( str, '=' )) == NULL )
- return( -1 );
- value = s + 1;
- *s-- = '\0';
- savechar = *s;
-
- switch ( *s ) {
- case '<':
- ftype = LDAP_FILTER_LE;
- *s = '\0';
- break;
- case '>':
- ftype = LDAP_FILTER_GE;
- *s = '\0';
- break;
- case '~':
- ftype = LDAP_FILTER_APPROX;
- *s = '\0';
- break;
- case ':': /* LDAPv3 extended filter */
- ftype = LDAP_FILTER_EXTENDED;
- return -1;
- break;
- default:
- if ( strchr( value, '*' ) == NULL ) {
- ftype = LDAP_FILTER_EQUALITY;
- } else if ( strcmp( value, "*" ) == 0 ) {
- ftype = LDAP_FILTER_PRESENT;
- } else {
- rc = put_substring_filter( ber, str, value );
- *(value-1) = '=';
- return( rc );
- }
- break;
- }
-
- if ( ftype == LDAP_FILTER_PRESENT ) {
- rc = ber_printf( ber, "ts", ftype, str );
- } else {
- rc = ber_printf( ber, "t{ss}", ftype, str, value );
- }
-
- *s = savechar;
- *(value-1) = '=';
- return( rc == -1 ? rc : 0 );
-}
-
-static int
-put_substring_filter( BerElement *ber, char *type, char *val )
-{
- char *nextstar, gotstar = 0;
- ber_tag_t ftype = LDAP_FILTER_SUBSTRINGS;
-
- Debug( LDAP_DEBUG_TRACE, "put_substring_filter \"%s=%s\"\n", type,
- val, 0 );
-
- if ( ber_printf( ber, "t{s{", ftype, type ) == -1 )
- return( -1 );
-
- while ( val != NULL ) {
- if ( (nextstar = strchr( val, '*' )) != NULL )
- *nextstar++ = '\0';
-
- if ( gotstar == 0 ) {
- ftype = LDAP_SUBSTRING_INITIAL;
- } else if ( nextstar == NULL ) {
- ftype = LDAP_SUBSTRING_FINAL;
- } else {
- ftype = LDAP_SUBSTRING_ANY;
- }
- if ( *val != '\0' ) {
- if ( ber_printf( ber, "ts", ftype, val ) == -1 )
- return( -1 );
- }
-
- gotstar = 1;
- if ( nextstar != NULL )
- *(nextstar-1) = '*';
- val = nextstar;
- }
-
- if ( ber_printf( ber, /* {{ */ "}}" ) == -1 )
- return( -1 );
-
- return( 0 );
-}
-
int
ldap_search_st(
LDAP *ld, LDAP_CONST char *base, int scope,
== -1 )
return( ld->ld_errno );
- if ( ldap_result( ld, msgid, 1, timeout, res ) == -1 )
+ if ( ldap_result( ld, msgid, LDAP_MSG_ALL, timeout, res ) == -1 || !*res )
return( ld->ld_errno );
if ( ld->ld_errno == LDAP_TIMEOUT ) {
== -1 )
return( ld->ld_errno );
- if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, res ) == -1 )
+ if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, res ) == -1 || !*res )
return( ld->ld_errno );
return( ldap_result2error( ld, *res, 0 ) );
}
+static char escape[128] = {
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 0, 0,
+
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 1
+};
+#define NEEDFLTESCAPE(c) ((c) & 0x80 || escape[ (unsigned)(c) ])
+
+/*
+ * compute the length of the escaped value
+ */
+ber_len_t
+ldap_bv2escaped_filter_value_len( struct berval *in )
+{
+ ber_len_t i, l;
+
+ assert( in != NULL );
+
+ if ( in->bv_len == 0 ) {
+ return 0;
+ }
+
+ for( l = 0, i = 0; i < in->bv_len; l++, i++ ) {
+ char c = in->bv_val[ i ];
+ if ( NEEDFLTESCAPE( c ) ) {
+ l += 2;
+ }
+ }
+
+ return l;
+}
+
+int
+ldap_bv2escaped_filter_value( struct berval *in, struct berval *out )
+{
+ return ldap_bv2escaped_filter_value_x( in, out, 0, NULL );
+}
+
+int
+ldap_bv2escaped_filter_value_x( struct berval *in, struct berval *out, int inplace, void *ctx )
+{
+ ber_len_t i, l;
+
+ assert( in != NULL );
+ assert( out != NULL );
+
+ BER_BVZERO( out );
+
+ if ( in->bv_len == 0 ) {
+ return 0;
+ }
+
+ /* assume we'll escape everything */
+ l = ldap_bv2escaped_filter_value_len( in );
+ if ( l == in->bv_len ) {
+ if ( inplace ) {
+ *out = *in;
+ } else {
+ ber_dupbv( out, in );
+ }
+ return 0;
+ }
+ out->bv_val = LDAP_MALLOCX( l + 1, ctx );
+ if ( out->bv_val == NULL ) {
+ return -1;
+ }
+
+ for ( i = 0; i < in->bv_len; i++ ) {
+ char c = in->bv_val[ i ];
+ if ( NEEDFLTESCAPE( c ) ) {
+ assert( out->bv_len < l - 2 );
+ out->bv_val[out->bv_len++] = '\\';
+ out->bv_val[out->bv_len++] = "0123456789ABCDEF"[0x0f & (c>>4)];
+ out->bv_val[out->bv_len++] = "0123456789ABCDEF"[0x0f & c];
+
+ } else {
+ assert( out->bv_len < l );
+ out->bv_val[out->bv_len++] = c;
+ }
+ }
+
+ out->bv_val[out->bv_len] = '\0';
+
+ return 0;
+}
+
projects / openldap / blobdiff