/* config.c - ldap backend configuration file routine */
/* $OpenLDAP$ */
-
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+/* This is an altered version */
/*
* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
*
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
+ *
+ *
+ *
+ * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
+ *
+ * This software is being modified by Pierangelo Masarati.
+ * The previously reported conditions apply to the modified code as well.
+ * Changes in the original code are highlighted where required.
+ * Credits for the original code go to the author, Howard Chu.
*/
#include "portable.h"
#include "slap.h"
#include "back-ldap.h"
+#include "lutil.h"
int
ldap_back_db_config(
)
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
- char *port;
if ( li == NULL ) {
fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
return( 1 );
}
- /* server address to query */
+ /* server address to query (depricated, use "uri" directive) */
if ( strcasecmp( argv[0], "server" ) == 0 ) {
if (argc != 2) {
fprintf( stderr,
fname, lineno );
return( 1 );
}
- port=strchr(argv[1],':');
- if (port) {
- *port++ = '\0';
- li->port = atoi(port);
+ if (li->url != NULL)
+ ch_free(li->url);
+ li->url = ch_calloc(strlen(argv[1]) + 9, sizeof(char));
+ if (li->url != NULL) {
+ strcpy(li->url, "ldap://");
+ strcat(li->url, argv[1]);
+ strcat(li->url, "/");
+ }
+
+ /* URI of server to query (preferred over "server" directive) */
+ } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
+ if (argc != 2) {
+ fprintf( stderr,
+ "%s: line %d: missing address in \"uri <address>\" line\n",
+ fname, lineno );
+ return( 1 );
+ }
+ if (li->url != NULL)
+ ch_free(li->url);
+ li->url = ch_strdup(argv[1]);
+
+ /* name to use for ldap_back_group */
+ } else if ( strcasecmp( argv[0], "binddn" ) == 0 ) {
+ if (argc != 2) {
+ fprintf( stderr,
+ "%s: line %d: missing name in \"binddn <name>\" line\n",
+ fname, lineno );
+ return( 1 );
+ }
+ li->binddn = ch_strdup(argv[1]);
+
+ /* password to use for ldap_back_group */
+ } else if ( strcasecmp( argv[0], "bindpw" ) == 0 ) {
+ if (argc != 2) {
+ fprintf( stderr,
+ "%s: line %d: missing password in \"bindpw <password>\" line\n",
+ fname, lineno );
+ return( 1 );
+ }
+ li->bindpw = ch_strdup(argv[1]);
+
+ /* save bind creds for referral rebinds? */
+ } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
+ if (argc != 1) {
+ fprintf( stderr,
+ "%s: line %d: rebind-as-user takes no arguments\n",
+ fname, lineno );
+ return( 1 );
+ }
+ li->savecred = 1;
+
+ /* dn massaging */
+ } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
+ BackendDB *tmp_be;
+ struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
+#ifdef ENABLE_REWRITE
+ int rc;
+#endif /* ENABLE_REWRITE */
+
+ /*
+ * syntax:
+ *
+ * suffixmassage <suffix> <massaged suffix>
+ *
+ * the <suffix> field must be defined as a valid suffix
+ * (or suffixAlias?) for the current database;
+ * the <massaged suffix> shouldn't have already been
+ * defined as a valid suffix or suffixAlias for the
+ * current server
+ */
+ if ( argc != 3 ) {
+ fprintf( stderr, "%s: line %d: syntax is"
+ " \"suffixMassage <suffix>"
+ " <massaged suffix>\"\n",
+ fname, lineno );
+ return( 1 );
+ }
+
+ ber_str2bv( argv[1], 0, 0, &bvnc );
+ if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc ) != LDAP_SUCCESS ) {
+ fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
+ fname, lineno, bvnc.bv_val );
+ return( 1 );
+ }
+ tmp_be = select_backend( &nvnc, 0, 0 );
+ if ( tmp_be != NULL && tmp_be != be ) {
+ fprintf( stderr, "%s: line %d: suffix already in use"
+ " by another backend in"
+ " \"suffixMassage <suffix>"
+ " <massaged suffix>\"\n",
+ fname, lineno );
+ free( nvnc.bv_val );
+ free( pvnc.bv_val );
+ return( 1 );
+ }
+
+ ber_str2bv( argv[2], 0, 0, &brnc );
+ if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc ) != LDAP_SUCCESS ) {
+ fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
+ fname, lineno, brnc.bv_val );
+ free( nvnc.bv_val );
+ free( pvnc.bv_val );
+ return( 1 );
+ }
+
+#if 0
+ tmp_be = select_backend( &nrnc, 0, 0 );
+ if ( tmp_be != NULL ) {
+ fprintf( stderr, "%s: line %d: massaged suffix"
+ " already in use by another backend in"
+ " \"suffixMassage <suffix>"
+ " <massaged suffix>\"\n",
+ fname, lineno );
+ free( nvnc.bv_val );
+ free( pvnc.bv_val );
+ free( nrnc.bv_val );
+ free( prnc.bv_val );
+ return( 1 );
+ }
+#endif
+
+#ifdef ENABLE_REWRITE
+ /*
+ * The suffix massaging is emulated by means of the
+ * rewrite capabilities
+ * FIXME: no extra rewrite capabilities should be added
+ * to the database
+ */
+ rc = suffix_massage_config( li->rwinfo, &pvnc, &nvnc, &prnc, &nrnc );
+ free( nvnc.bv_val );
+ free( pvnc.bv_val );
+ free( nrnc.bv_val );
+ free( prnc.bv_val );
+
+ return( rc );
+
+#else /* !ENABLE_REWRITE */
+ ber_bvarray_add( &li->suffix_massage, &pvnc );
+ ber_bvarray_add( &li->suffix_massage, &nvnc );
+
+ ber_bvarray_add( &li->suffix_massage, &prnc );
+ ber_bvarray_add( &li->suffix_massage, &nrnc );
+#endif /* !ENABLE_REWRITE */
+
+ /* rewrite stuff ... */
+ } else if ( strncasecmp( argv[0], "rewrite", 7 ) == 0 ) {
+#ifdef ENABLE_REWRITE
+ return rewrite_parse( li->rwinfo, fname, lineno, argc, argv );
+
+#else /* !ENABLE_REWRITE */
+ fprintf( stderr, "%s: line %d: rewrite capabilities "
+ "are not enabled\n", fname, lineno );
+#endif /* !ENABLE_REWRITE */
+
+ /* objectclass/attribute mapping */
+ } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
+ struct ldapmap *map;
+ struct ldapmapping *mapping;
+ char *src, *dst;
+
+ if ( argc < 3 || argc > 4 ) {
+ fprintf( stderr,
+ "%s: line %d: syntax is \"map {objectclass | attribute} [<local> | *] {<foreign> | *}\"\n",
+ fname, lineno );
+ return( 1 );
+ }
+
+ if ( strcasecmp( argv[1], "objectclass" ) == 0 ) {
+ map = &li->oc_map;
+ } else if ( strcasecmp( argv[1], "attribute" ) == 0 ) {
+ map = &li->at_map;
+ } else {
+ fprintf( stderr, "%s: line %d: syntax is "
+ "\"map {objectclass | attribute} [<local> | *] "
+ "{<foreign> | *}\"\n",
+ fname, lineno );
+ return( 1 );
+ }
+
+ if ( strcmp( argv[2], "*" ) == 0 ) {
+ if ( argc < 4 || strcmp( argv[3], "*" ) == 0 ) {
+ map->drop_missing = ( argc < 4 );
+ return 0;
+ }
+ src = dst = argv[3];
+ } else if ( argc < 4 ) {
+ src = "";
+ dst = argv[2];
+ } else {
+ src = argv[2];
+ dst = ( strcmp( argv[3], "*" ) == 0 ? src : argv[3] );
+ }
+
+ if ( ( map == &li->at_map )
+ && ( strcasecmp( src, "objectclass" ) == 0
+ || strcasecmp( dst, "objectclass" ) == 0 ) )
+ {
+ fprintf( stderr,
+ "%s: line %d: objectclass attribute cannot be mapped\n",
+ fname, lineno );
+ }
+
+ mapping = (struct ldapmapping *)ch_calloc( 2,
+ sizeof(struct ldapmapping) );
+ if ( mapping == NULL ) {
+ fprintf( stderr,
+ "%s: line %d: out of memory\n",
+ fname, lineno );
+ return( 1 );
+ }
+ ber_str2bv( src, 0, 1, &mapping->src );
+ ber_str2bv( dst, 0, 1, &mapping->dst );
+ mapping[1].src = mapping->dst;
+ mapping[1].dst = mapping->src;
+
+ if ( (*src != '\0' &&
+ avl_find( map->map, (caddr_t)mapping, mapping_cmp ) != NULL) ||
+ avl_find( map->remap, (caddr_t)&mapping[1], mapping_cmp ) != NULL)
+ {
+ fprintf( stderr,
+ "%s: line %d: duplicate mapping found (ignored)\n",
+ fname, lineno );
+ return 0;
}
- li->host = ch_strdup(argv[1]);
+
+ if ( *src != '\0' )
+ avl_insert( &map->map, (caddr_t)mapping,
+ mapping_cmp, mapping_dup );
+ avl_insert( &map->remap, (caddr_t)&mapping[1],
+ mapping_cmp, mapping_dup );
+
/* anything else */
} else {
- fprintf( stderr,
-"%s: line %d: unknown directive \"%s\" in ldap database definition (ignored)\n",
+ fprintf( stderr, "%s: line %d: unknown directive \"%s\" "
+ "in ldap database definition (ignored)\n",
fname, lineno, argv[0] );
}
return 0;
}
+
+#ifdef ENABLE_REWRITE
+static char *
+suffix_massage_regexize( const char *s )
+{
+ char *res, *ptr;
+ const char *p, *r;
+ int i;
+
+ for ( i = 0, p = s;
+ ( r = strchr( p, ',' ) ) != NULL;
+ p = r + 1, i++ )
+ ;
+
+ res = ch_calloc( sizeof( char ), strlen( s ) + 4 + 4*i + 1 );
+
+ ptr = lutil_strcopy( res, "(.*)" );
+ for ( i = 0, p = s;
+ ( r = strchr( p, ',' ) ) != NULL;
+ p = r + 1 , i++ ) {
+ ptr = lutil_strncopy( ptr, p, r - p + 1 );
+ ptr = lutil_strcopy( ptr, "[ ]?" );
+
+ if ( r[ 1 ] == ' ' ) {
+ r++;
+ }
+ }
+ lutil_strcopy( ptr, p );
+
+ return res;
+}
+
+static char *
+suffix_massage_patternize( const char *s )
+{
+ ber_len_t len;
+ char *res;
+
+ len = strlen( s );
+
+ res = ch_calloc( sizeof( char ), len + sizeof( "%1" ) );
+ if ( res == NULL ) {
+ return NULL;
+ }
+
+ strcpy( res, "%1" );
+ strcpy( res + sizeof( "%1" ) - 1, s );
+
+ return res;
+}
+
+int
+suffix_massage_config(
+ struct rewrite_info *info,
+ struct berval *pvnc,
+ struct berval *nvnc,
+ struct berval *prnc,
+ struct berval *nrnc
+)
+{
+ char *rargv[ 5 ];
+ int line = 0;
+
+ rargv[ 0 ] = "rewriteEngine";
+ rargv[ 1 ] = "on";
+ rargv[ 2 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
+
+ rargv[ 0 ] = "rewriteContext";
+ rargv[ 1 ] = "default";
+ rargv[ 2 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
+
+ rargv[ 0 ] = "rewriteRule";
+ rargv[ 1 ] = suffix_massage_regexize( pvnc->bv_val );
+ rargv[ 2 ] = suffix_massage_patternize( prnc->bv_val );
+ rargv[ 3 ] = ":";
+ rargv[ 4 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
+ ch_free( rargv[ 1 ] );
+ ch_free( rargv[ 2 ] );
+
+ rargv[ 0 ] = "rewriteContext";
+ rargv[ 1 ] = "searchResult";
+ rargv[ 2 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
+
+ rargv[ 0 ] = "rewriteRule";
+ rargv[ 1 ] = suffix_massage_regexize( prnc->bv_val );
+ rargv[ 2 ] = suffix_massage_patternize( pvnc->bv_val );
+ rargv[ 3 ] = ":";
+ rargv[ 4 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
+ ch_free( rargv[ 1 ] );
+ ch_free( rargv[ 2 ] );
+
+ /*
+ * the filter should be rewritten as
+ *
+ * rewriteRule
+ * "(.*)member=([^)]+),o=Foo Bar,[ ]?c=US(.*)"
+ * "%1member=%2,dc=example,dc=com%3"
+ *
+ * where "o=Foo Bar, c=US" is the virtual naming context,
+ * and "dc=example, dc=com" is the real naming context
+ */
+ rargv[ 0 ] = "rewriteContext";
+ rargv[ 1 ] = "searchFilter";
+ rargv[ 2 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
+
+#if 1 /* rewrite filters */
+ {
+ /*
+ * Note: this is far more optimistic than desirable:
+ * for any AVA value ending with the virtual naming
+ * context the terminal part will be replaced by the
+ * real naming context; a better solution would be to
+ * walk the filter looking for DN-valued attributes,
+ * and only rewrite those that require rewriting
+ */
+ char vbuf_[BUFSIZ], *vbuf = vbuf_,
+ rbuf_[BUFSIZ], *rbuf = rbuf_;
+ int len;
+
+ len = snprintf( vbuf, sizeof( vbuf_ ),
+ "(.*)%s\\)(.*)", nvnc->bv_val );
+ if ( len == -1 ) {
+ /*
+ * traditional behavior: snprintf returns -1
+ * if buffer is insufficient
+ */
+ return -1;
+
+ } else if ( len >= sizeof( vbuf_ ) ) {
+ /*
+ * C99: snprintf returns the required size
+ */
+ vbuf = ch_malloc( len + 1 );
+ len = snprintf( vbuf, len,
+ "(.*)%s\\)(.*)", nvnc->bv_val );
+ assert( len > 0 );
+ }
+
+ len = snprintf( rbuf, sizeof( rbuf_ ), "%%1%s)%%2",
+ nrnc->bv_val );
+ if ( len == -1 ) {
+ return -1;
+
+ } else if ( len >= sizeof( rbuf_ ) ) {
+ rbuf = ch_malloc( len + 1 );
+ len = snprintf( rbuf, sizeof( rbuf_ ), "%%1%s)%%2",
+ nrnc->bv_val );
+ assert( len > 0 );
+ }
+
+ rargv[ 0 ] = "rewriteRule";
+ rargv[ 1 ] = vbuf;
+ rargv[ 2 ] = rbuf;
+ rargv[ 3 ] = ":";
+ rargv[ 4 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
+
+ if ( vbuf != vbuf_ ) {
+ ch_free( vbuf );
+ }
+
+ if ( rbuf != rbuf_ ) {
+ ch_free( rbuf );
+ }
+ }
+#endif /* rewrite filters */
+
+#if 0 /* "matched" is not normalized */
+ rargv[ 0 ] = "rewriteContext";
+ rargv[ 1 ] = "matchedDn";
+ rargv[ 2 ] = "alias";
+ rargv[ 3 ] = "searchResult";
+ rargv[ 4 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
+#else /* normalize "matched" */
+ rargv[ 0 ] = "rewriteContext";
+ rargv[ 1 ] = "matchedDn";
+ rargv[ 2 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
+
+ rargv[ 0 ] = "rewriteRule";
+ rargv[ 1 ] = suffix_massage_regexize( prnc->bv_val );
+ rargv[ 2 ] = suffix_massage_patternize( nvnc->bv_val );
+ rargv[ 3 ] = ":";
+ rargv[ 4 ] = NULL;
+ rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
+ ch_free( rargv[ 1 ] );
+ ch_free( rargv[ 2 ] );
+#endif /* normalize "matched" */
+
+ return 0;
+}
+#endif /* ENABLE_REWRITE */
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