-/*
- * Copyright (c) 2000, Mark Adamson, Carnegie Mellon. All rights reserved.
- * This software is not subject to any license of Carnegie Mellon University.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Redistribution and use in source and binary forms are permitted without
- * restriction or fee of any kind as long as this notice is preserved.
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Portions Copyright 2000 Mark Adamson, Carnegie Mellon.
+ * All rights reserved.
*
- * The name "Carnegie Mellon" must not be used to endorse or promote
- * products derived from this software without prior written permission.
+ * 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>.
*/
#include "portable.h"
-#include <ac/stdlib.h>
#include <stdio.h>
-#include "slap.h"
-#include "proto-slap.h"
-
+#include <ac/stdlib.h>
#include <ac/string.h>
-#ifdef HAVE_CYRUS_SASL
+#include "slap.h"
+
#include <limits.h>
-#include <sasl.h>
+
#include <ldap_pvt.h>
-#endif
+#define SASLREGEX_REPLACE 10
+#define LDAP_X_SCOPE_EXACT ((ber_int_t) 0x0010)
+#define LDAP_X_SCOPE_REGEX ((ber_int_t) 0x0020)
+#define LDAP_X_SCOPE_CHILDREN ((ber_int_t) 0x0030)
+#define LDAP_X_SCOPE_SUBTREE ((ber_int_t) 0x0040)
+#define LDAP_X_SCOPE_ONELEVEL ((ber_int_t) 0x0050)
+/*
+ * IDs in DNauthzid form can now have a type specifier, that
+ * influences how they are used in related operations.
+ *
+ * syntax: dn[.{exact|regex}]:<val>
+ *
+ * dn.exact: the value must pass normalization and is used
+ * in exact DN match.
+ * dn.regex: the value is treated as a regular expression
+ * in matching DN values in saslAuthz{To|From}
+ * attributes.
+ * dn: for backwards compatibility reasons, the value
+ * is treated as a regular expression, and thus
+ * it is not normalized nor validated; it is used
+ * in exact or regex comparisons based on the
+ * context.
+ *
+ * IDs in DNauthzid form can now have a type specifier, that
+ * influences how they are used in related operations.
+ *
+ * syntax: u[.mech[/realm]]:<val>
+ *
+ * where mech is a SIMPLE, AUTHZ, or a SASL mechanism name
+ * and realm is mechanism specific realm (separate to those
+ * which are representable as part of the principal).
+ */
+typedef struct sasl_regexp {
+ char *sr_match; /* regexp match pattern */
+ char *sr_replace; /* regexp replace pattern */
+ regex_t sr_workspace; /* workspace for regexp engine */
+ int sr_offset[SASLREGEX_REPLACE+2]; /* offsets of $1,$2... in *replace */
+} SaslRegexp_t;
-/* URI format: ldap://<host>/<base>[?[<attrs>][?[<scope>][?[<filter>]]]] */
+static int nSaslRegexp = 0;
+static SaslRegexp_t *SaslRegexp = NULL;
-int slap_parseURI( char *uri, char **searchbase, int *scope, Filter **filter )
+/* What SASL proxy authorization policies are allowed? */
+#define SASL_AUTHZ_NONE 0x00
+#define SASL_AUTHZ_FROM 0x01
+#define SASL_AUTHZ_TO 0x02
+#define SASL_AUTHZ_AND 0x10
+
+static int authz_policy = SASL_AUTHZ_NONE;
+
+int slap_sasl_setpolicy( const char *arg )
{
- char *start, *end;
+ int rc = LDAP_SUCCESS;
+
+ if ( strcasecmp( arg, "none" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_NONE;
+ } else if ( strcasecmp( arg, "from" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_FROM;
+ } else if ( strcasecmp( arg, "to" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_TO;
+ } else if ( strcasecmp( arg, "both" ) == 0 || strcasecmp( arg, "any" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO;
+ } else if ( strcasecmp( arg, "all" ) == 0 ) {
+ authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND;
+ } else {
+ rc = LDAP_OTHER;
+ }
+ return rc;
+}
+
+int slap_parse_user( struct berval *id, struct berval *user,
+ struct berval *realm, struct berval *mech )
+{
+ char u;
+
+ assert( id );
+ assert( id->bv_val );
+ assert( user );
+ assert( realm );
+ assert( mech );
+
+ u = id->bv_val[ 0 ];
+
+ if ( u != 'u' && u != 'U' ) {
+ /* called with something other than u: */
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* uauthzid form:
+ * u[.mech[/realm]]:user
+ */
+
+ user->bv_val = strchr( id->bv_val, ':' );
+ if ( user->bv_val == NULL ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+ user->bv_val[ 0 ] = '\0';
+ user->bv_val++;
+ user->bv_len = id->bv_len - ( user->bv_val - id->bv_val );
+
+ mech->bv_val = strchr( id->bv_val, '.' );
+ if ( mech->bv_val != NULL ) {
+ mech->bv_val[ 0 ] = '\0';
+ mech->bv_val++;
+
+ realm->bv_val = strchr( mech->bv_val, '/' );
+
+ if ( realm->bv_val ) {
+ realm->bv_val[ 0 ] = '\0';
+ realm->bv_val++;
+ mech->bv_len = realm->bv_val - mech->bv_val - 1;
+ realm->bv_len = user->bv_val - realm->bv_val - 1;
+ } else {
+ mech->bv_len = user->bv_val - mech->bv_val - 1;
+ }
+
+ } else {
+ realm->bv_val = NULL;
+ }
+
+ if ( id->bv_val[ 1 ] != '\0' ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( mech->bv_val != NULL ) {
+ assert( mech->bv_val == id->bv_val + 2 );
+
+ AC_MEMCPY( mech->bv_val - 2, mech->bv_val, mech->bv_len + 1 );
+ mech->bv_val -= 2;
+ }
+
+ if ( realm->bv_val ) {
+ assert( realm->bv_val >= id->bv_val + 2 );
+
+ AC_MEMCPY( realm->bv_val - 2, realm->bv_val, realm->bv_len + 1 );
+ realm->bv_val -= 2;
+ }
+
+ /* leave "u:" before user */
+ user->bv_val -= 2;
+ user->bv_len += 2;
+ user->bv_val[ 0 ] = u;
+ user->bv_val[ 1 ] = ':';
+ return LDAP_SUCCESS;
+}
- assert( uri != NULL );
- *searchbase = NULL;
+static int slap_parseURI( Operation *op, struct berval *uri,
+ struct berval *base, struct berval *nbase,
+ int *scope, Filter **filter, struct berval *fstr )
+{
+ struct berval bv;
+ int rc;
+ LDAPURLDesc *ludp;
+
+ assert( uri != NULL && uri->bv_val != NULL );
+ base->bv_val = NULL;
+ base->bv_len = 0;
+ nbase->bv_val = NULL;
+ nbase->bv_len = 0;
+ fstr->bv_val = NULL;
+ fstr->bv_len = 0;
*scope = -1;
*filter = NULL;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_parseURI: parsing %s\n", uri ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE, "slap_parseURI: parsing %s\n", uri, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
#endif
+ rc = LDAP_PROTOCOL_ERROR;
+ if ( !strncasecmp( uri->bv_val, "dn", sizeof( "dn" ) - 1 ) ) {
+ bv.bv_val = uri->bv_val + sizeof( "dn" ) - 1;
- /* If it does not look like a URI, assume it is a DN */
- if( !strncasecmp( uri, "dn:", 3 ) ) {
- uri += 3;
- uri += strspn( uri, " " );
- *searchbase = ch_strdup( uri );
- dn_normalize( *searchbase );
- *scope = LDAP_SCOPE_BASE;
- return( LDAP_SUCCESS );
- }
- if( strncasecmp( uri, "ldap://", 7 ) ) {
- *searchbase = ch_strdup( uri );
- dn_normalize( *searchbase );
- *scope = LDAP_SCOPE_BASE;
- return( LDAP_SUCCESS );
- }
+ if ( bv.bv_val[ 0 ] == '.' ) {
+ bv.bv_val++;
- end = strchr( uri + 7, '/' );
- if ( end == NULL )
- return( LDAP_PROTOCOL_ERROR );
+ if ( !strncasecmp( bv.bv_val, "exact:", sizeof( "exact:" ) - 1 ) ) {
+ bv.bv_val += sizeof( "exact:" ) - 1;
+ *scope = LDAP_X_SCOPE_EXACT;
- /* could check the hostname here */
+ } else if ( !strncasecmp( bv.bv_val, "regex:", sizeof( "regex:" ) - 1 ) ) {
+ bv.bv_val += sizeof( "regex:" ) - 1;
+ *scope = LDAP_X_SCOPE_REGEX;
- /* Grab the searchbase */
- start = end+1;
- end = strchr( start, '?' );
- if( end == NULL ) {
- *searchbase = ch_strdup( start );
- dn_normalize( *searchbase );
- return( LDAP_SUCCESS );
- }
- *end = '\0';
- *searchbase = ch_strdup( start );
- *end = '?';
- dn_normalize( *searchbase );
+ } else if ( !strncasecmp( bv.bv_val, "children:", sizeof( "chldren:" ) - 1 ) ) {
+ bv.bv_val += sizeof( "children:" ) - 1;
+ *scope = LDAP_X_SCOPE_CHILDREN;
- /* Skip the attrs */
- start = end+1;
- end = strchr( start, '?' );
- if( end == NULL ) {
- return( LDAP_SUCCESS );
- }
+ } else if ( !strncasecmp( bv.bv_val, "subtree:", sizeof( "subtree:" ) - 1 ) ) {
+ bv.bv_val += sizeof( "subtree:" ) - 1;
+ *scope = LDAP_X_SCOPE_SUBTREE;
- /* Grab the scope */
- start = end+1;
- if( !strncasecmp( start, "base?", 5 )) {
- *scope = LDAP_SCOPE_BASE;
- start += 5;
- }
- else if( !strncasecmp( start, "one?", 4 )) {
- *scope = LDAP_SCOPE_ONELEVEL;
- start += 4;
- }
- else if( !strncasecmp( start, "sub?", 3 )) {
- *scope = LDAP_SCOPE_SUBTREE;
- start += 4;
- }
- else {
- ch_free( *searchbase );
- *searchbase = NULL;
- return( LDAP_PROTOCOL_ERROR );
- }
+ } else if ( !strncasecmp( bv.bv_val, "onelevel:", sizeof( "onelevel:" ) - 1 ) ) {
+ bv.bv_val += sizeof( "onelevel:" ) - 1;
+ *scope = LDAP_X_SCOPE_ONELEVEL;
- /* Grab the filter */
- *filter = str2filter( start );
+ } else {
+ return LDAP_PROTOCOL_ERROR;
+ }
+ } else {
+ if ( bv.bv_val[ 0 ] != ':' ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+ *scope = LDAP_X_SCOPE_EXACT;
+ bv.bv_val++;
+ }
- return( LDAP_SUCCESS );
-}
+ bv.bv_val += strspn( bv.bv_val, " " );
+ /* jump here in case no type specification was present
+ * and uir was not an URI... HEADS-UP: assuming EXACT */
+is_dn: bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
+
+ switch ( *scope ) {
+ case LDAP_X_SCOPE_EXACT:
+ case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
+ rc = dnNormalize( 0, NULL, NULL, &bv, nbase, op->o_tmpmemctx );
+ if( rc != LDAP_SUCCESS ) {
+ *scope = -1;
+ }
+ break;
+ case LDAP_X_SCOPE_REGEX:
+ ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+ rc = LDAP_SUCCESS;
+ break;
+ default:
+ *scope = -1;
+ break;
+ }
+ return rc;
+
+ } else if ( ( uri->bv_val[ 0 ] == 'u' || uri->bv_val[ 0 ] == 'U' )
+ && ( uri->bv_val[ 1 ] == ':'
+ || uri->bv_val[ 1 ] == '/'
+ || uri->bv_val[ 1 ] == '.' ) )
+ {
+ Connection c = *op->o_conn;
+ char buf[ SLAP_LDAPDN_MAXLEN ];
+ struct berval id,
+ user = BER_BVNULL,
+ realm = BER_BVNULL,
+ mech = BER_BVNULL;
+
+ if ( sizeof( buf ) <= uri->bv_len ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ id.bv_len = uri->bv_len;
+ id.bv_val = buf;
+ strncpy( buf, uri->bv_val, sizeof( buf ) );
-int slap_sasl_regexp_config( const char *match, const char *replace )
-{
-#ifdef HAVE_CYRUS_SASL
- const char *c;
- int rc, n;
- SaslRegexp_t *reg;
+ rc = slap_parse_user( &id, &user, &realm, &mech );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
- SaslRegexp = (SaslRegexp_t *) ch_realloc( (char *) SaslRegexp,
- (nSaslRegexp + 1) * sizeof(SaslRegexp_t) );
- reg = &( SaslRegexp[nSaslRegexp] );
- reg->match = ch_strdup( match );
- reg->replace = ch_strdup( replace );
- dn_normalize( reg->match );
- dn_normalize( reg->replace );
+ if ( mech.bv_val ) {
+ c.c_sasl_bind_mech = mech;
+ } else {
+ c.c_sasl_bind_mech.bv_val = "AUTHZ";
+ c.c_sasl_bind_mech.bv_len = sizeof( "AUTHZ" ) - 1;
+ }
+
+ rc = slap_sasl_getdn( &c, op, user.bv_val, user.bv_len,
+ realm.bv_val, nbase, SLAP_GETDN_AUTHZID );
- /* Precompile matching pattern */
- rc = regcomp( ®->workspace, reg->match, REG_EXTENDED|REG_ICASE );
- if ( rc ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_regexp_config: \"%s\" could not be compiled.\n"
- reg->match ));
-#else
- Debug( LDAP_DEBUG_ANY,
- "SASL match pattern %s could not be compiled by regexp engine\n",
- reg->match, 0, 0 );
-#endif
+ if ( rc == LDAP_SUCCESS ) {
+ *scope = LDAP_X_SCOPE_EXACT;
+ }
- return( LDAP_OPERATIONS_ERROR );
+ return rc;
+ }
+
+ rc = ldap_url_parse( uri->bv_val, &ludp );
+ if ( rc == LDAP_URL_ERR_BADSCHEME ) {
+ /* last chance: assume it's a(n exact) DN ... */
+ bv.bv_val = uri->bv_val;
+ *scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
}
+ if ( rc != LDAP_URL_SUCCESS ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if (( ludp->lud_host && *ludp->lud_host )
+ || ludp->lud_attrs || ludp->lud_exts )
+ {
+ /* host part must be empty */
+ /* attrs and extensions parts must be empty */
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+
+ /* Grab the scope */
+ *scope = ludp->lud_scope;
+
+ /* Grab the filter */
+ if ( ludp->lud_filter ) {
+ *filter = str2filter_x( op, ludp->lud_filter );
+ if ( *filter == NULL ) {
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+ ber_str2bv( ludp->lud_filter, 0, 0, fstr );
+ }
+
+ /* Grab the searchbase */
+ ber_str2bv( ludp->lud_dn, 0, 0, base );
+ rc = dnNormalize( 0, NULL, NULL, base, nbase, op->o_tmpmemctx );
+
+done:
+ if( rc != LDAP_SUCCESS ) {
+ if( *filter ) filter_free_x( op, *filter );
+ base->bv_val = NULL;
+ base->bv_len = 0;
+ fstr->bv_val = NULL;
+ fstr->bv_len = 0;
+ } else {
+ /* Don't free these, return them to caller */
+ ludp->lud_filter = NULL;
+ ludp->lud_dn = NULL;
+ }
+
+ ldap_free_urldesc( ludp );
+ return( rc );
+}
+
+static int slap_sasl_rx_off(char *rep, int *off)
+{
+ const char *c;
+ int n;
+
/* Precompile replace pattern. Find the $<n> placeholders */
- reg->offset[0] = -2;
+ off[0] = -2;
n = 1;
- for ( c = reg->replace; *c; c++ ) {
- if ( *c == '\\' ) {
+ for ( c = rep; *c; c++ ) {
+ if ( *c == '\\' && c[1] ) {
c++;
continue;
}
if ( *c == '$' ) {
if ( n == SASLREGEX_REPLACE ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_regexp_config: \"%s\" has too many $n placeholders (max %d)\n",
- reg->replace, SASLREGEX_REPLACE ));
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_rx_off: \"%s\" has too many $n "
+ "placeholders (max %d)\n", rep, SASLREGEX_REPLACE, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "SASL replace pattern %s has too many $n placeholders (max %d)\n",
- reg->replace, SASLREGEX_REPLACE, 0 );
+ "SASL replace pattern %s has too many $n "
+ "placeholders (max %d)\n",
+ rep, SASLREGEX_REPLACE, 0 );
#endif
- return( LDAP_OPERATIONS_ERROR );
+ return( LDAP_OTHER );
}
- reg->offset[n] = c - reg->replace;
+ off[n] = c - rep;
n++;
}
}
/* Final placeholder, after the last $n */
- reg->offset[n] = c - reg->replace;
+ off[n] = c - rep;
n++;
- reg->offset[n] = -1;
-
- nSaslRegexp++;
-#endif
+ off[n] = -1;
return( LDAP_SUCCESS );
}
-
-
-
-
-#ifdef HAVE_CYRUS_SASL
-
-
-
-/* Take the passed in SASL name and attempt to convert it into an
- LDAP URI to find the matching LDAP entry, using the pattern matching
- strings given in the saslregexp config file directive(s) */
-static
-char *slap_sasl_regexp( char *saslname )
+int slap_sasl_regexp_config( const char *match, const char *replace )
{
- char *uri=NULL;
- int i, n, len, insert;
+ int rc;
SaslRegexp_t *reg;
+ SaslRegexp = (SaslRegexp_t *) ch_realloc( (char *) SaslRegexp,
+ (nSaslRegexp + 1) * sizeof(SaslRegexp_t) );
+
+ reg = &SaslRegexp[nSaslRegexp];
+
+ reg->sr_match = ch_strdup( match );
+ reg->sr_replace = ch_strdup( replace );
+ /* Precompile matching pattern */
+ rc = regcomp( ®->sr_workspace, reg->sr_match, REG_EXTENDED|REG_ICASE );
+ if ( rc ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_regexp: converting SASL name %s\n", saslname ));
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_regexp_config: \"%s\" could not be compiled.\n",
+ reg->sr_match, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE, "slap_sasl_regexp: converting SASL name %s\n",
- saslname, 0, 0 );
+ Debug( LDAP_DEBUG_ANY,
+ "SASL match pattern %s could not be compiled by regexp engine\n",
+ reg->sr_match, 0, 0 );
#endif
- if (( saslname == NULL ) || ( nSaslRegexp == 0 ))
- return( NULL );
-
- /* Match the normalized SASL name to the saslregexp patterns */
- for( reg = SaslRegexp,i=0; i<nSaslRegexp; i++,reg++ ) {
- if ( regexec( ®->workspace, saslname, SASLREGEX_REPLACE,
- reg->strings, 0) == 0 )
- break;
+ return( LDAP_OTHER );
}
- if( i >= nSaslRegexp )
- return( NULL );
+ rc = slap_sasl_rx_off( reg->sr_replace, reg->sr_offset );
+ if ( rc != LDAP_SUCCESS ) return rc;
- /*
- * The match pattern may have been of the form "a(b.*)c(d.*)e" and the
- * replace pattern of the form "x$1y$2z". The returned string needs
- * to replace the $1,$2 with the strings that matched (b.*) and (d.*)
- */
+ nSaslRegexp++;
+ return( LDAP_SUCCESS );
+}
+/* Perform replacement on regexp matches */
+static void slap_sasl_rx_exp(
+ const char *rep,
+ const int *off,
+ regmatch_t *str,
+ const char *saslname,
+ struct berval *out,
+ void *ctx )
+{
+ int i, n, len, insert;
+
/* Get the total length of the final URI */
n=1;
len = 0;
- while( reg->offset[n] >= 0 ) {
+ while( off[n] >= 0 ) {
/* Len of next section from replacement string (x,y,z above) */
- len += reg->offset[n] - reg->offset[n-1] - 2;
- if( reg->offset[n+1] < 0)
+ len += off[n] - off[n-1] - 2;
+ if( off[n+1] < 0)
break;
/* Len of string from saslname that matched next $i (b,d above) */
- i = reg->replace[ reg->offset[n] + 1 ] - '0';
- len += reg->strings[i].rm_eo - reg->strings[i].rm_so;
+ i = rep[ off[n] + 1 ] - '0';
+ len += str[i].rm_eo - str[i].rm_so;
n++;
}
- uri = ch_malloc( len + 1 );
+ out->bv_val = sl_malloc( len + 1, ctx );
+ out->bv_len = len;
/* Fill in URI with replace string, replacing $i as we go */
n=1;
insert = 0;
- while( reg->offset[n] >= 0) {
+ while( off[n] >= 0) {
/* Paste in next section from replacement string (x,y,z above) */
- len = reg->offset[n] - reg->offset[n-1] - 2;
- strncpy( uri+insert, reg->replace + reg->offset[n-1] + 2, len);
+ len = off[n] - off[n-1] - 2;
+ strncpy( out->bv_val+insert, rep + off[n-1] + 2, len);
insert += len;
- if( reg->offset[n+1] < 0)
+ if( off[n+1] < 0)
break;
/* Paste in string from saslname that matched next $i (b,d above) */
- i = reg->replace[ reg->offset[n] + 1 ] - '0';
- len = reg->strings[i].rm_eo - reg->strings[i].rm_so;
- strncpy( uri+insert, saslname + reg->strings[i].rm_so, len );
+ i = rep[ off[n] + 1 ] - '0';
+ len = str[i].rm_eo - str[i].rm_so;
+ strncpy( out->bv_val+insert, saslname + str[i].rm_so, len );
insert += len;
n++;
}
- uri[insert] = '\0';
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_regexp: converted SASL name to %s\n", uri ));
-#else
- Debug( LDAP_DEBUG_TRACE,
- "slap_sasl_regexp: converted SASL name to %s\n", uri, 0, 0 );
-#endif
-
- return( uri );
+ out->bv_val[insert] = '\0';
}
+/* Take the passed in SASL name and attempt to convert it into an
+ LDAP URI to find the matching LDAP entry, using the pattern matching
+ strings given in the saslregexp config file directive(s) */
-
-
-
-/*
- * Given a SASL name (e.g. "UID=name,cn=REALM,cn=MECH,cn=AUTHZID")
- * return the LDAP DN to which it matches. The SASL regexp rules in the config
- * file turn the SASL name into an LDAP URI. If the URI is just a DN (or a
- * search with scope=base), just return the URI (or its searchbase). Otherwise
- * an internal search must be done, and if that search returns exactly one
- * entry, return the DN of that one entry.
- */
-
-char *slap_sasl2dn( char *saslname )
+static int slap_sasl_regexp( struct berval *in, struct berval *out,
+ int flags, void *ctx )
{
- char *uri=NULL, *searchbase=NULL, *DN=NULL;
- int rc, scope;
- Backend *be;
- Filter *filter=NULL;
- Connection *conn=NULL;
- LDAP *client=NULL;
- LDAPMessage *res=NULL, *msg;
+ char *saslname = in->bv_val;
+ SaslRegexp_t *reg;
+ regmatch_t sr_strings[SASLREGEX_REPLACE]; /* strings matching $1,$2 ... */
+ int i;
+ memset( out, 0, sizeof( *out ) );
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl2dn: converting SASL name %s to DN.\n", saslname ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_regexp: converting SASL name %s\n", saslname, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE,
- "==>slap_sasl2dn: Converting SASL name %s to a DN\n", saslname, 0,0 );
+ Debug( LDAP_DEBUG_TRACE, "slap_sasl_regexp: converting SASL name %s\n",
+ saslname, 0, 0 );
#endif
+ if (( saslname == NULL ) || ( nSaslRegexp == 0 )) {
+ return( 0 );
+ }
- /* Convert the SASL name into an LDAP URI */
- uri = slap_sasl_regexp( saslname );
- if( uri == NULL )
- goto FINISHED;
-
- rc = slap_parseURI( uri, &searchbase, &scope, &filter );
- if( rc )
- goto FINISHED;
-
- /* Massive shortcut: search scope == base */
- if( scope == LDAP_SCOPE_BASE ) {
- DN = ch_strdup( searchbase );
- goto FINISHED;
+ /* Match the normalized SASL name to the saslregexp patterns */
+ for( reg = SaslRegexp,i=0; i<nSaslRegexp; i++,reg++ ) {
+ if ( regexec( ®->sr_workspace, saslname, SASLREGEX_REPLACE,
+ sr_strings, 0) == 0 )
+ break;
}
- /* Must do an internal search */
+ if( i >= nSaslRegexp ) return( 0 );
+
+ /*
+ * The match pattern may have been of the form "a(b.*)c(d.*)e" and the
+ * replace pattern of the form "x$1y$2z". The returned string needs
+ * to replace the $1,$2 with the strings that matched (b.*) and (d.*)
+ */
+ slap_sasl_rx_exp( reg->sr_replace, reg->sr_offset,
+ sr_strings, saslname, out, ctx );
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_DETAIL1,
- "slap_sasl2dn: performing internal search (base=%s, scope=%s)\n",
- searchbase, scope ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_regexp: converted SASL name to %s\n",
+ out->bv_len ? out->bv_val : "", 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
- "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
- searchbase, scope, 0 );
+ "slap_sasl_regexp: converted SASL name to %s\n",
+ out->bv_len ? out->bv_val : "", 0, 0 );
#endif
+ return( 1 );
+}
- be = select_backend( searchbase, 0 );
- if(( be == NULL ) || ( be->be_search == NULL))
- goto FINISHED;
- searchbase = suffix_alias( be, searchbase );
-
- rc = connection_internal_open( &conn, &client, saslname );
- if( rc != LDAP_SUCCESS )
- goto FINISHED;
-
- (*be->be_search)( be, conn, conn->c_ops, /*base=*/NULL, searchbase,
- scope, /*deref=*/1, /*sizelimit=*/1, /*time=*/0, filter, /*fstr=*/NULL,
- /*attrs=*/NULL, /*attrsonly=*/0 );
+/* This callback actually does some work...*/
+static int sasl_sc_sasl2dn( Operation *o, SlapReply *rs )
+{
+ struct berval *ndn = o->o_callback->sc_private;
+ if (rs->sr_type != REP_SEARCH) return 0;
- /* Read the client side of the internal search */
- rc = ldap_result( client, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
- if( rc == -1 )
- goto FINISHED;
+ /* We only want to be called once */
+ if( ndn->bv_val ) {
+ o->o_tmpfree(ndn->bv_val, o->o_tmpmemctx);
+ ndn->bv_val = NULL;
+ ndn->bv_len = 0;
- /* Make sure exactly one entry was returned */
- rc = ldap_count_entries( client, res );
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_DETAIL1,
- "slap_sasl2dn: search DN returned %d entries\n", rc ));
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE,
- "slap_sasl2dn: search DN returned %d entries\n", rc,0,0 );
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
#endif
+ return -1;
+ }
- if( rc != 1 )
- goto FINISHED;
+ ber_dupbv_x(ndn, &rs->sr_entry->e_nname, o->o_tmpmemctx);
+ return 0;
+}
- msg = ldap_first_entry( client, res );
- DN = ldap_get_dn( client, msg );
-FINISHED:
- if( searchbase ) ch_free( searchbase );
- if( filter ) filter_free( filter );
- if( uri ) ch_free( uri );
- if( conn ) connection_internal_close( conn );
- if( res ) ldap_msgfree( res );
- if( client ) ldap_unbind( client );
- if( DN ) dn_normalize( DN );
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl2dn: Converted SASL name to %s\n", DN ? DN : "<nothing>" ));
-#else
- Debug( LDAP_DEBUG_TRACE, "<==slap_sasl2dn: Converted SASL name to %s\n",
- DN ? DN : "<nothing>", 0, 0 );
-#endif
-
- return( DN );
-}
+typedef struct smatch_info {
+ struct berval *dn;
+ int match;
+} smatch_info;
+static int sasl_sc_smatch( Operation *o, SlapReply *rs )
+{
+ smatch_info *sm = o->o_callback->sc_private;
+ if (rs->sr_type != REP_SEARCH) return 0;
+ if (dn_match(sm->dn, &rs->sr_entry->e_nname)) {
+ sm->match = 1;
+ return -1; /* short-circuit the search */
+ }
+ return 1;
+}
/*
* Map a SASL regexp rule to a DN. If the rule is just a DN or a scope=base
*/
static
-int slap_sasl_match( char *rule, char *assertDN, char *authc )
+int slap_sasl_match( Operation *opx, struct berval *rule,
+ struct berval *assertDN, struct berval *authc )
{
- char *searchbase=NULL, *dn=NULL;
- int rc, scope;
- Backend *be;
- Filter *filter=NULL;
- Connection *conn=NULL;
- LDAP *client=NULL;
- LDAPMessage *res=NULL, *msg;
+ int rc;
regex_t reg;
-
+ smatch_info sm;
+ slap_callback cb = { NULL, sasl_sc_smatch, NULL, NULL };
+ Operation op = {0};
+ SlapReply rs = {REP_RESULT};
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_match: comparing DN %s to rule %s\n", assertDN, rule );
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_match: comparing DN %s to rule %s\n",
+ assertDN->bv_val, rule->bv_val,0 );
#else
Debug( LDAP_DEBUG_TRACE,
- "===>slap_sasl_match: comparing DN %s to rule %s\n", assertDN, rule, 0 );
+ "===>slap_sasl_match: comparing DN %s to rule %s\n",
+ assertDN->bv_val, rule->bv_val, 0 );
#endif
+ rc = slap_parseURI( opx, rule, &op.o_req_dn,
+ &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
+ &op.ors_filterstr );
+ if( rc != LDAP_SUCCESS ) goto CONCLUDED;
- rc = slap_parseURI( rule, &searchbase, &scope, &filter );
- if( rc != LDAP_SUCCESS )
+ switch ( op.oq_search.rs_scope ) {
+ case LDAP_X_SCOPE_EXACT:
+exact_match:
+ if ( dn_match( &op.o_req_ndn, assertDN ) ) {
+ rc = LDAP_SUCCESS;
+ } else {
+ rc = LDAP_INAPPROPRIATE_AUTH;
+ }
+ goto CONCLUDED;
+
+ case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
+ {
+ int d = assertDN->bv_len - op.o_req_ndn.bv_len;
+
+ rc = LDAP_INAPPROPRIATE_AUTH;
+
+ if ( d == 0 && op.oq_search.rs_scope == LDAP_X_SCOPE_SUBTREE ) {
+ goto exact_match;
+
+ } else if ( d > 0 ) {
+ struct berval bv;
+
+ bv.bv_len = op.o_req_ndn.bv_len;
+ bv.bv_val = assertDN->bv_val + d;
+
+ if ( bv.bv_val[ -1 ] == ',' && dn_match( &op.o_req_ndn, &bv ) ) {
+ switch ( op.oq_search.rs_scope ) {
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_CHILDREN:
+ rc = LDAP_SUCCESS;
+ break;
+
+ case LDAP_X_SCOPE_ONELEVEL:
+ {
+ struct berval pdn;
+
+ dnParent( assertDN, &pdn );
+ /* the common portion of the DN
+ * already matches, so only check
+ * if parent DN of assertedDN
+ * is all the pattern */
+ if ( pdn.bv_len == op.o_req_ndn.bv_len ) {
+ rc = LDAP_SUCCESS;
+ }
+ break;
+ }
+ default:
+ /* at present, impossible */
+ assert( 0 );
+ }
+ }
+ }
goto CONCLUDED;
+ }
- /* Massive shortcut: search scope == base */
- if( scope == LDAP_SCOPE_BASE ) {
- dn_normalize( searchbase );
- rc = regcomp(®, searchbase, REG_EXTENDED|REG_ICASE|REG_NOSUB);
+ case LDAP_X_SCOPE_REGEX:
+ rc = regcomp(®, op.o_req_ndn.bv_val,
+ REG_EXTENDED|REG_ICASE|REG_NOSUB);
if ( rc == 0 ) {
- rc = regexec(®, assertDN, 0, NULL, 0);
+ rc = regexec(®, assertDN->bv_val, 0, NULL, 0);
regfree( ® );
}
- if ( rc == 0 )
+ if ( rc == 0 ) {
rc = LDAP_SUCCESS;
- else
+ } else {
rc = LDAP_INAPPROPRIATE_AUTH;
+ }
goto CONCLUDED;
+
+ default:
+ break;
}
/* Must run an internal search. */
+ if ( op.oq_search.rs_filter == NULL ) {
+ rc = LDAP_FILTER_ERROR;
+ goto CONCLUDED;
+ }
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_DETAIL1,
- "slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
- searchbase, scope ));
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
+ op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
- searchbase, scope, 0 );
+ op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
#endif
-
- be = select_backend( searchbase, 0 );
- if(( be == NULL ) || ( be->be_search == NULL)) {
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+ if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
rc = LDAP_INAPPROPRIATE_AUTH;
goto CONCLUDED;
}
- searchbase = suffix_alias( be, searchbase );
-
- /* Make an internal connection on which to run the search */
- rc = connection_internal_open( &conn, &client, authc );
- if( rc != LDAP_SUCCESS )
- goto CONCLUDED;
-
- (*be->be_search)( be, conn, conn->c_ops, /*base=*/NULL, searchbase,
- scope, /*deref=*/1, /*sizelimit=*/0, /*time=*/0, filter, /*fstr=*/NULL,
- /*attrs=*/NULL, /*attrsonly=*/0 );
+ sm.dn = assertDN;
+ sm.match = 0;
+ cb.sc_private = &sm;
+
+ op.o_tag = LDAP_REQ_SEARCH;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = *authc;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
+ op.o_threadctx = opx->o_threadctx;
+ op.o_tmpmemctx = opx->o_tmpmemctx;
+ op.o_tmpmfuncs = opx->o_tmpmfuncs;
+#ifdef LDAP_SLAPI
+ op.o_pb = opx->o_pb;
+#endif
+ op.o_conn = opx->o_conn;
+ op.o_connid = opx->o_connid;
+ op.o_req_dn = op.o_req_ndn;
+ op.oq_search.rs_slimit = 1;
+ op.oq_search.rs_tlimit = SLAP_NO_LIMIT;
+ op.o_sync_slog_size = -1;
- /* On the client side of the internal search, read the results. Check
- if the assertDN matches any of the DN's returned by the search */
- rc = ldap_result( client, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
- if( rc == -1 )
- goto CONCLUDED;
+ op.o_bd->be_search( &op, &rs );
- for( msg=ldap_first_entry( client, res );
- msg;
- msg=ldap_next_entry( client, msg ) ) {
- dn = ldap_get_dn( client, msg );
- dn_normalize( dn );
- rc = strcmp( dn, assertDN );
- ch_free( dn );
- if( rc == 0 ) {
- rc = LDAP_SUCCESS;
- goto CONCLUDED;
- }
+ if (sm.match) {
+ rc = LDAP_SUCCESS;
+ } else {
+ rc = LDAP_INAPPROPRIATE_AUTH;
}
- rc = LDAP_INAPPROPRIATE_AUTH;
CONCLUDED:
- if( searchbase ) ch_free( searchbase );
- if( filter ) filter_free( filter );
- if( conn ) connection_internal_close( conn );
- if( res ) ldap_msgfree( res );
- if( client ) ldap_unbind( client );
+ if( op.o_req_dn.bv_val && op.o_req_dn.bv_val != op.o_req_ndn.bv_val ) ch_free( op.o_req_dn.bv_val );
+ if( op.o_req_ndn.bv_val ) sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
+ if( op.oq_search.rs_filter ) filter_free_x( opx, op.oq_search.rs_filter );
+ if( op.ors_filterstr.bv_val ) ch_free( op.ors_filterstr.bv_val );
+
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_match: comparison returned %d\n", rc ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_match: comparison returned %d\n", rc, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"<===slap_sasl_match: comparison returned %d\n", rc, 0, 0);
}
-
-
-
/*
* This function answers the question, "Can this ID authorize to that ID?",
* based on authorization rules. The rules are stored in the *searchDN, in the
* attribute named by *attr. If any of those rules map to the *assertDN, the
* authorization is approved.
*
- * DN's passed in should have a dn: prefix
+ * The DNs should not have the dn: prefix
*/
-
static int
-slap_sasl_check_authz(char *searchDN, char *assertDN, char *attr, char *authc)
+slap_sasl_check_authz( Operation *op,
+ struct berval *searchDN,
+ struct berval *assertDN,
+ AttributeDescription *ad,
+ struct berval *authc )
{
- const char *errmsg;
int i, rc;
- struct berval **vals=NULL;
- AttributeDescription *ad=NULL;
-
+ BerVarray vals=NULL;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_check_authz: does %s match %s rule in %s?\n",
- assertDN, attr, searchDN ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_check_authz: does %s match %s rule in %s?\n",
+ assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
#else
Debug( LDAP_DEBUG_TRACE,
"==>slap_sasl_check_authz: does %s match %s rule in %s?\n",
- assertDN, attr, searchDN);
+ assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
#endif
- rc = slap_str2ad( attr, &ad, &errmsg );
- if( rc != LDAP_SUCCESS )
- goto COMPLETE;
-
- rc = backend_attribute( NULL, NULL, NULL, NULL, searchDN+3, ad, &vals );
- if( rc != LDAP_SUCCESS )
- goto COMPLETE;
+ rc = backend_attribute( op, NULL,
+ searchDN, ad, &vals );
+ if( rc != LDAP_SUCCESS ) goto COMPLETE;
/* Check if the *assertDN matches any **vals */
- for( i=0; vals[i] != NULL; i++ ) {
- rc = slap_sasl_match( vals[i]->bv_val, assertDN+3, authc );
- if ( rc == LDAP_SUCCESS )
- goto COMPLETE;
+ if( vals != NULL ) {
+ for( i=0; vals[i].bv_val != NULL; i++ ) {
+ rc = slap_sasl_match( op, &vals[i], assertDN, authc );
+ if ( rc == LDAP_SUCCESS ) goto COMPLETE;
+ }
}
rc = LDAP_INAPPROPRIATE_AUTH;
COMPLETE:
- if( vals ) ber_bvecfree( vals );
- if( ad ) ad_free( ad, 1 );
+ if( vals ) ber_bvarray_free_x( vals, op->o_tmpmemctx );
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_check_authz: %s check returning %s\n", attr, rc ));
+ LDAP_LOG( TRANSPORT, RESULTS,
+ "slap_sasl_check_authz: %s check returning %s\n",
+ ad->ad_cname.bv_val, rc, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
- "<==slap_sasl_check_authz: %s check returning %d\n", attr, rc, 0);
+ "<==slap_sasl_check_authz: %s check returning %d\n",
+ ad->ad_cname.bv_val, rc, 0);
#endif
return( rc );
}
+/*
+ * Given a SASL name (e.g. "UID=name,cn=REALM,cn=MECH,cn=AUTH")
+ * return the LDAP DN to which it matches. The SASL regexp rules in the config
+ * file turn the SASL name into an LDAP URI. If the URI is just a DN (or a
+ * search with scope=base), just return the URI (or its searchbase). Otherwise
+ * an internal search must be done, and if that search returns exactly one
+ * entry, return the DN of that one entry.
+ */
+void slap_sasl2dn( Operation *opx,
+ struct berval *saslname, struct berval *sasldn, int flags )
+{
+ int rc;
+ slap_callback cb = { NULL, sasl_sc_sasl2dn, NULL, NULL };
+ Operation op = {0};
+ SlapReply rs = {REP_RESULT};
+ struct berval regout = BER_BVNULL;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl2dn: converting SASL name %s to DN.\n",
+ saslname->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "==>slap_sasl2dn: "
+ "converting SASL name %s to a DN\n",
+ saslname->bv_val, 0,0 );
+#endif
+ sasldn->bv_val = NULL;
+ sasldn->bv_len = 0;
+ cb.sc_private = sasldn;
-#endif /* HAVE_CYRUS_SASL */
+ /* Convert the SASL name into a minimal URI */
+ if( !slap_sasl_regexp( saslname, ®out, flags, opx->o_tmpmemctx ) ) {
+ goto FINISHED;
+ }
+ rc = slap_parseURI( opx, ®out, &op.o_req_dn,
+ &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
+ &op.ors_filterstr );
+ if( regout.bv_val ) sl_free( regout.bv_val, opx->o_tmpmemctx );
+ if( rc != LDAP_SUCCESS ) {
+ goto FINISHED;
+ }
+ /* Must do an internal search */
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+
+ switch ( op.oq_search.rs_scope ) {
+ case LDAP_X_SCOPE_EXACT:
+ *sasldn = op.o_req_ndn;
+ op.o_req_ndn.bv_len = 0;
+ op.o_req_ndn.bv_val = NULL;
+ /* intentionally continue to next case */
+
+ case LDAP_X_SCOPE_REGEX:
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_ONELEVEL:
+ /* correctly parsed, but illegal */
+ goto FINISHED;
+ case LDAP_SCOPE_BASE:
+ case LDAP_SCOPE_ONELEVEL:
+ case LDAP_SCOPE_SUBTREE:
+#ifdef LDAP_SCOPE_SUBORDINATE
+ case LDAP_SCOPE_SUBORDINATE:
+#endif
+ /* do a search */
+ break;
+
+ default:
+ /* catch unhandled cases (there shouldn't be) */
+ assert( 0 );
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
+ op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
+ op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
+#endif
+
+ if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
+ goto FINISHED;
+ }
+
+ op.o_conn = opx->o_conn;
+ op.o_connid = opx->o_connid;
+ op.o_tag = LDAP_REQ_SEARCH;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = opx->o_conn->c_ndn;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
+ op.o_threadctx = opx->o_threadctx;
+ op.o_tmpmemctx = opx->o_tmpmemctx;
+ op.o_tmpmfuncs = opx->o_tmpmfuncs;
+#ifdef LDAP_SLAPI
+ op.o_pb = opx->o_pb;
+#endif
+ op.oq_search.rs_deref = LDAP_DEREF_NEVER;
+ op.oq_search.rs_slimit = 1;
+ op.oq_search.rs_tlimit = SLAP_NO_LIMIT;
+ op.oq_search.rs_attrsonly = 1;
+ op.o_req_dn = op.o_req_ndn;
+
+ op.o_bd->be_search( &op, &rs );
+
+FINISHED:
+ if( sasldn->bv_len ) {
+ opx->o_conn->c_authz_backend = op.o_bd;
+ }
+ if( op.o_req_dn.bv_len ) ch_free( op.o_req_dn.bv_val );
+ if( op.o_req_ndn.bv_len ) sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
+ if( op.oq_search.rs_filter ) filter_free_x( opx, op.oq_search.rs_filter );
+ if( op.ors_filterstr.bv_len ) ch_free( op.ors_filterstr.bv_val );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl2dn: Converted SASL name to %s\n",
+ sasldn->bv_len ? sasldn->bv_val : "<nothing>", 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "<==slap_sasl2dn: Converted SASL name to %s\n",
+ sasldn->bv_len ? sasldn->bv_val : "<nothing>", 0, 0 );
+#endif
+
+ return;
+}
/* Check if a bind can SASL authorize to another identity.
- Accepts authorization DN's with "dn:" prefix */
+ * The DNs should not have the dn: prefix
+ */
-int slap_sasl_authorized( char *authcDN, char *authzDN )
+int slap_sasl_authorized( Operation *op,
+ struct berval *authcDN, struct berval *authzDN )
{
- int rc;
+ int rc = LDAP_INAPPROPRIATE_AUTH;
-#ifdef HAVE_CYRUS_SASL
/* User binding as anonymous */
if ( authzDN == NULL ) {
rc = LDAP_SUCCESS;
}
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorized: can %s become %s?\n", authcDN, authzDN ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorized: can %s become %s?\n",
+ authcDN->bv_val, authzDN->bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
- "==>slap_sasl_authorized: can %s become %s?\n", authcDN, authzDN, 0 );
+ "==>slap_sasl_authorized: can %s become %s?\n",
+ authcDN->bv_val, authzDN->bv_val, 0 );
#endif
-
/* If person is authorizing to self, succeed */
- if ( !strcmp( authcDN, authzDN ) ) {
+ if ( dn_match( authcDN, authzDN ) ) {
rc = LDAP_SUCCESS;
goto DONE;
}
- /* Check source rules */
- rc = slap_sasl_check_authz( authcDN, authzDN, SASL_AUTHZ_SOURCE_ATTR,
- authcDN );
- if( rc == LDAP_SUCCESS )
+ /* Allow the manager to authorize as any DN. */
+ if( op->o_conn->c_authz_backend &&
+ be_isroot_dn( op->o_conn->c_authz_backend, authcDN ))
+ {
+ rc = LDAP_SUCCESS;
goto DONE;
+ }
+
+ /* Check source rules */
+ if( authz_policy & SASL_AUTHZ_TO ) {
+ rc = slap_sasl_check_authz( op, authcDN, authzDN,
+ slap_schema.si_ad_saslAuthzTo, authcDN );
+ if( rc == LDAP_SUCCESS && !(authz_policy & SASL_AUTHZ_AND) ) {
+ goto DONE;
+ }
+ }
/* Check destination rules */
- rc = slap_sasl_check_authz( authzDN, authcDN, SASL_AUTHZ_DEST_ATTR,
- authcDN );
- if( rc == LDAP_SUCCESS )
- goto DONE;
+ if( authz_policy & SASL_AUTHZ_FROM ) {
+ rc = slap_sasl_check_authz( op, authzDN, authcDN,
+ slap_schema.si_ad_saslAuthzFrom, authcDN );
+ if( rc == LDAP_SUCCESS ) {
+ goto DONE;
+ }
+ }
-#endif
rc = LDAP_INAPPROPRIATE_AUTH;
DONE:
+
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorized: return %s\n", rc ));
+ LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_authorized: return %d\n", rc,0,0 );
#else
- Debug( LDAP_DEBUG_TRACE, "<== slap_sasl_authorized: return %d\n",rc,0,0 );
+ Debug( LDAP_DEBUG_TRACE,
+ "<== slap_sasl_authorized: return %d\n", rc, 0, 0 );
#endif
return( rc );
projects / openldap / blobdiff