/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
* Portions Copyright 2000 Mark Adamson, Carnegie Mellon.
* All rights reserved.
*
#include "portable.h"
#include <stdio.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
#include <ac/stdlib.h>
#include <ac/string.h>
#include "slap.h"
-#include <limits.h>
-
-#include <ldap_pvt.h>
#include "lutil.h"
#define SASLREGEX_REPLACE 10
#define LDAP_X_SCOPE_SUBTREE ((ber_int_t) 0x0040)
#define LDAP_X_SCOPE_ONELEVEL ((ber_int_t) 0x0050)
#define LDAP_X_SCOPE_GROUP ((ber_int_t) 0x0060)
+#define LDAP_X_SCOPE_USERS ((ber_int_t) 0x0070)
/*
* IDs in DNauthzid form can now have a type specifier, that
int sr_offset[SASLREGEX_REPLACE+2]; /* offsets of $1,$2... in *replace */
} SaslRegexp_t;
-static int nSaslRegexp = 0;
-static SaslRegexp_t *SaslRegexp = NULL;
+static int nSaslRegexp = 0;
+static SaslRegexp_t *SaslRegexp = NULL;
+
+#ifdef SLAP_AUTH_REWRITE
+#include "rewrite.h"
+struct rewrite_info *sasl_rwinfo = NULL;
+#define AUTHID_CONTEXT "authid"
+#endif /* SLAP_AUTH_REWRITE */
+
+/* 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 const char *policy_txt[] = {
+ "none", "from", "to", "any"
+};
+
+static int authz_policy = SASL_AUTHZ_NONE;
+
+static int
+slap_sasl_match( Operation *opx, struct berval *rule,
+ struct berval *assertDN, struct berval *authc );
+
+int slap_sasl_setpolicy( const char *arg )
+{
+ 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;
+}
+
+const char * slap_sasl_getpolicy()
+{
+ if ( authz_policy == (SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND) )
+ return "all";
+ else
+ return policy_txt[authz_policy];
+}
+
+int slap_parse_user( struct berval *id, struct berval *user,
+ struct berval *realm, struct berval *mech )
+{
+ char u;
+
+ assert( id != NULL );
+ assert( !BER_BVISNULL( id ) );
+ assert( user != NULL );
+ assert( realm != NULL );
+ assert( mech != NULL );
+
+ 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 ( BER_BVISNULL( user ) ) {
+ 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 ( !BER_BVISNULL( mech ) ) {
+ mech->bv_val[ 0 ] = '\0';
+ mech->bv_val++;
+
+ realm->bv_val = strchr( mech->bv_val, '/' );
+
+ if ( !BER_BVISNULL( realm ) ) {
+ 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 {
+ BER_BVZERO( realm );
+ }
+
+ if ( id->bv_val[ 1 ] != '\0' ) {
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( mech ) ) {
+ 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 ( !BER_BVISNULL( realm ) ) {
+ 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;
+}
+
+#ifdef SLAP_AUTHZ_SYNTAX
+int
+authzValidate(
+ Syntax *syntax,
+ struct berval *in )
+{
+ struct berval bv;
+ int rc = LDAP_INVALID_SYNTAX;
+ LDAPURLDesc *ludp = NULL;
+ int scope = -1;
+
+ /*
+ * 1) <DN>
+ * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+ * 3) dn.regex:<pattern>
+ * 4) u[.mech[/realm]]:<ID>
+ * 5) group[/<groupClass>[/<memberAttr>]]:<DN>
+ * 6) <URL>
+ */
+
+ assert( in != NULL );
+ assert( !BER_BVISNULL( in ) );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "authzValidate: parsing %s\n", in->bv_val, 0, 0 );
+
+ /*
+ * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+ * 3) dn.regex:<pattern>
+ *
+ * <DN> must pass DN normalization
+ */
+ if ( !strncasecmp( in->bv_val, "dn", STRLENOF( "dn" ) ) ) {
+ bv.bv_val = in->bv_val + STRLENOF( "dn" );
+
+ if ( bv.bv_val[ 0 ] == '.' ) {
+ bv.bv_val++;
+
+ if ( !strncasecmp( bv.bv_val, "exact:", STRLENOF( "exact:" ) ) ) {
+ bv.bv_val += STRLENOF( "exact:" );
+ scope = LDAP_X_SCOPE_EXACT;
+
+ } else if ( !strncasecmp( bv.bv_val, "regex:", STRLENOF( "regex:" ) ) ) {
+ bv.bv_val += STRLENOF( "regex:" );
+ scope = LDAP_X_SCOPE_REGEX;
+
+ } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
+ bv.bv_val += STRLENOF( "children:" );
+ scope = LDAP_X_SCOPE_CHILDREN;
+
+ } else if ( !strncasecmp( bv.bv_val, "subtree:", STRLENOF( "subtree:" ) ) ) {
+ bv.bv_val += STRLENOF( "subtree:" );
+ scope = LDAP_X_SCOPE_SUBTREE;
+
+ } else if ( !strncasecmp( bv.bv_val, "onelevel:", STRLENOF( "onelevel:" ) ) ) {
+ bv.bv_val += STRLENOF( "onelevel:" );
+ scope = LDAP_X_SCOPE_ONELEVEL;
+
+ } else {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ } else {
+ if ( bv.bv_val[ 0 ] != ':' ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ scope = LDAP_X_SCOPE_EXACT;
+ bv.bv_val++;
+ }
+
+ bv.bv_val += strspn( bv.bv_val, " " );
+ /* jump here in case no type specification was present
+ * and uri was not an URI... HEADS-UP: assuming EXACT */
+is_dn: bv.bv_len = in->bv_len - ( bv.bv_val - in->bv_val );
+
+ /* a single '*' means any DN without using regexes */
+ if ( ber_bvccmp( &bv, '*' ) ) {
+ /* LDAP_X_SCOPE_USERS */
+ return LDAP_SUCCESS;
+ }
+
+ switch ( scope ) {
+ case LDAP_X_SCOPE_EXACT:
+ case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
+ return dnValidate( NULL, &bv );
+
+ case LDAP_X_SCOPE_REGEX:
+ return LDAP_SUCCESS;
+ }
+
+ return rc;
+
+ /*
+ * 4) u[.mech[/realm]]:<ID>
+ */
+ } else if ( ( in->bv_val[ 0 ] == 'u' || in->bv_val[ 0 ] == 'U' )
+ && ( in->bv_val[ 1 ] == ':'
+ || in->bv_val[ 1 ] == '/'
+ || in->bv_val[ 1 ] == '.' ) )
+ {
+ char buf[ SLAP_LDAPDN_MAXLEN ];
+ struct berval id,
+ user = BER_BVNULL,
+ realm = BER_BVNULL,
+ mech = BER_BVNULL;
+
+ if ( sizeof( buf ) <= in->bv_len ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ id.bv_len = in->bv_len;
+ id.bv_val = buf;
+ strncpy( buf, in->bv_val, sizeof( buf ) );
+
+ rc = slap_parse_user( &id, &user, &realm, &mech );
+ if ( rc != LDAP_SUCCESS ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ return rc;
+
+ /*
+ * 5) group[/groupClass[/memberAttr]]:<DN>
+ *
+ * <groupClass> defaults to "groupOfNames"
+ * <memberAttr> defaults to "member"
+ *
+ * <DN> must pass DN normalization
+ */
+ } else if ( strncasecmp( in->bv_val, "group", STRLENOF( "group" ) ) == 0 )
+ {
+ struct berval group_dn = BER_BVNULL,
+ group_oc = BER_BVNULL,
+ member_at = BER_BVNULL;
+
+ bv.bv_val = in->bv_val + STRLENOF( "group" );
+ group_dn.bv_val = strchr( bv.bv_val, ':' );
+ if ( group_dn.bv_val == NULL ) {
+ /* last chance: assume it's a(n exact) DN ... */
+ bv.bv_val = in->bv_val;
+ scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
+ }
+
+ /*
+ * FIXME: we assume that "member" and "groupOfNames"
+ * are present in schema...
+ */
+ if ( bv.bv_val[ 0 ] == '/' ) {
+ group_oc.bv_val = &bv.bv_val[ 1 ];
+
+ member_at.bv_val = strchr( group_oc.bv_val, '/' );
+ if ( member_at.bv_val ) {
+ AttributeDescription *ad = NULL;
+ const char *text = NULL;
+
+ group_oc.bv_len = member_at.bv_val - group_oc.bv_val;
+ member_at.bv_val++;
+ member_at.bv_len = group_dn.bv_val - member_at.bv_val;
+ rc = slap_bv2ad( &member_at, &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ } else {
+ group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
+
+ if ( oc_bvfind( &group_oc ) == NULL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+ }
+
+ group_dn.bv_val++;
+ group_dn.bv_len = in->bv_len - ( group_dn.bv_val - in->bv_val );
+
+ rc = dnValidate( NULL, &group_dn );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ return rc;
+ }
+
+ /*
+ * ldap:///<base>??<scope>?<filter>
+ * <scope> ::= {base|one|subtree}
+ *
+ * <scope> defaults to "base"
+ * <base> must pass DN normalization
+ * <filter> must pass str2filter()
+ */
+ rc = ldap_url_parse( in->bv_val, &ludp );
+ switch ( rc ) {
+ case LDAP_URL_SUCCESS:
+ /* FIXME: the check is pedantic, but I think it's necessary,
+ * because people tend to use things like ldaps:// which
+ * gives the idea SSL is being used. Maybe we could
+ * accept ldapi:// as well, but the point is that we use
+ * an URL as an easy means to define bits of a search with
+ * little parsing.
+ */
+ if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+ /*
+ * must be ldap:///
+ */
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+ break;
+
+ case LDAP_URL_ERR_BADSCHEME:
+ /*
+ * last chance: assume it's a(n exact) DN ...
+ *
+ * NOTE: must pass DN normalization
+ */
+ ldap_free_urldesc( ludp );
+ bv.bv_val = in->bv_val;
+ scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
+
+ default:
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+
+ 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_INVALID_SYNTAX;
+ goto done;
+ }
+
+ /* Grab the filter */
+ if ( ludp->lud_filter ) {
+ Filter *f = str2filter( ludp->lud_filter );
+ if ( f == NULL ) {
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+ filter_free( f );
+ }
+
+ /* Grab the searchbase */
+ assert( ludp->lud_dn != NULL );
+ ber_str2bv( ludp->lud_dn, 0, 0, &bv );
+ rc = dnValidate( NULL, &bv );
+
+done:
+ ldap_free_urldesc( ludp );
+ return( rc );
+}
+
+#if 0
+int
+authzMatch(
+ int *matchp,
+ slap_mask_t flags,
+ Syntax *syntax,
+ MatchingRule *mr,
+ struct berval *value,
+ void *assertedValue )
+{
+ return octetStringMatch( matchp, flags, syntax, mr, value, assertedValue );
+}
+#endif
+
+static int
+authzPrettyNormal(
+ struct berval *val,
+ struct berval *normalized,
+ void *ctx,
+ int normalize )
+{
+ struct berval bv;
+ int rc = LDAP_INVALID_SYNTAX;
+ LDAPURLDesc *ludp = NULL;
+ char *lud_dn = NULL,
+ *lud_filter = NULL;
+ int scope = -1;
+
+ /*
+ * 1) <DN>
+ * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+ * 3) dn.regex:<pattern>
+ * 4) u[.mech[/realm]]:<ID>
+ * 5) group[/<groupClass>[/<memberAttr>]]:<DN>
+ * 6) <URL>
+ */
+
+ assert( val != NULL );
+ assert( !BER_BVISNULL( val ) );
+
+ /*
+ * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+ * 3) dn.regex:<pattern>
+ *
+ * <DN> must pass DN normalization
+ */
+ if ( !strncasecmp( val->bv_val, "dn", STRLENOF( "dn" ) ) ) {
+ struct berval out = BER_BVNULL,
+ prefix = BER_BVNULL;
+ char *ptr;
+
+ bv.bv_val = val->bv_val + STRLENOF( "dn" );
+
+ if ( bv.bv_val[ 0 ] == '.' ) {
+ bv.bv_val++;
+
+ if ( !strncasecmp( bv.bv_val, "exact:", STRLENOF( "exact:" ) ) ) {
+ bv.bv_val += STRLENOF( "exact:" );
+ scope = LDAP_X_SCOPE_EXACT;
+
+ } else if ( !strncasecmp( bv.bv_val, "regex:", STRLENOF( "regex:" ) ) ) {
+ bv.bv_val += STRLENOF( "regex:" );
+ scope = LDAP_X_SCOPE_REGEX;
+
+ } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
+ bv.bv_val += STRLENOF( "children:" );
+ scope = LDAP_X_SCOPE_CHILDREN;
+
+ } else if ( !strncasecmp( bv.bv_val, "subtree:", STRLENOF( "subtree:" ) ) ) {
+ bv.bv_val += STRLENOF( "subtree:" );
+ scope = LDAP_X_SCOPE_SUBTREE;
+
+ } else if ( !strncasecmp( bv.bv_val, "onelevel:", STRLENOF( "onelevel:" ) ) ) {
+ bv.bv_val += STRLENOF( "onelevel:" );
+ scope = LDAP_X_SCOPE_ONELEVEL;
+
+ } else {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ } else {
+ if ( bv.bv_val[ 0 ] != ':' ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ scope = LDAP_X_SCOPE_EXACT;
+ bv.bv_val++;
+ }
+
+ bv.bv_val += strspn( bv.bv_val, " " );
+ /* jump here in case no type specification was present
+ * and uri was not an URI... HEADS-UP: assuming EXACT */
+is_dn: bv.bv_len = val->bv_len - ( bv.bv_val - val->bv_val );
+
+ /* a single '*' means any DN without using regexes */
+ if ( ber_bvccmp( &bv, '*' ) ) {
+ ber_str2bv_x( "dn:*", STRLENOF( "dn:*" ), 1, normalized, ctx );
+ return LDAP_SUCCESS;
+ }
+
+ switch ( scope ) {
+ case LDAP_X_SCOPE_EXACT:
+ case LDAP_X_SCOPE_CHILDREN:
+ case LDAP_X_SCOPE_SUBTREE:
+ case LDAP_X_SCOPE_ONELEVEL:
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, &bv, &out, ctx );
+ } else {
+ rc = dnPretty( NULL, &bv, &out, ctx );
+ }
+ if( rc != LDAP_SUCCESS ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ break;
+
+ case LDAP_X_SCOPE_REGEX:
+ normalized->bv_len = STRLENOF( "dn.regex:" ) + bv.bv_len;
+ normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+ ptr = lutil_strcopy( normalized->bv_val, "dn.regex:" );
+ ptr = lutil_strncopy( ptr, bv.bv_val, bv.bv_len );
+ ptr[ 0 ] = '\0';
+ return LDAP_SUCCESS;
+
+ default:
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ /* prepare prefix */
+ switch ( scope ) {
+ case LDAP_X_SCOPE_EXACT:
+ BER_BVSTR( &prefix, "dn:" );
+ break;
+
+ case LDAP_X_SCOPE_CHILDREN:
+ BER_BVSTR( &prefix, "dn.children:" );
+ break;
+
+ case LDAP_X_SCOPE_SUBTREE:
+ BER_BVSTR( &prefix, "dn.subtree:" );
+ break;
+
+ case LDAP_X_SCOPE_ONELEVEL:
+ BER_BVSTR( &prefix, "dn.onelevel:" );
+ break;
+
+ default:
+ assert( 0 );
+ break;
+ }
+
+ normalized->bv_len = prefix.bv_len + out.bv_len;
+ normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+
+ ptr = lutil_strcopy( normalized->bv_val, prefix.bv_val );
+ ptr = lutil_strncopy( ptr, out.bv_val, out.bv_len );
+ ptr[ 0 ] = '\0';
+ ber_memfree_x( out.bv_val, ctx );
+
+ return LDAP_SUCCESS;
+
+ /*
+ * 4) u[.mech[/realm]]:<ID>
+ */
+ } else if ( ( val->bv_val[ 0 ] == 'u' || val->bv_val[ 0 ] == 'U' )
+ && ( val->bv_val[ 1 ] == ':'
+ || val->bv_val[ 1 ] == '/'
+ || val->bv_val[ 1 ] == '.' ) )
+ {
+ char buf[ SLAP_LDAPDN_MAXLEN ];
+ struct berval id,
+ user = BER_BVNULL,
+ realm = BER_BVNULL,
+ mech = BER_BVNULL;
+
+ if ( sizeof( buf ) <= val->bv_len ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ id.bv_len = val->bv_len;
+ id.bv_val = buf;
+ strncpy( buf, val->bv_val, sizeof( buf ) );
+
+ rc = slap_parse_user( &id, &user, &realm, &mech );
+ if ( rc != LDAP_SUCCESS ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ ber_dupbv_x( normalized, val, ctx );
+
+ return rc;
+
+ /*
+ * 5) group[/groupClass[/memberAttr]]:<DN>
+ *
+ * <groupClass> defaults to "groupOfNames"
+ * <memberAttr> defaults to "member"
+ *
+ * <DN> must pass DN normalization
+ */
+ } else if ( strncasecmp( val->bv_val, "group", STRLENOF( "group" ) ) == 0 )
+ {
+ struct berval group_dn = BER_BVNULL,
+ group_oc = BER_BVNULL,
+ member_at = BER_BVNULL,
+ out = BER_BVNULL;
+ char *ptr;
+
+ bv.bv_val = val->bv_val + STRLENOF( "group" );
+ group_dn.bv_val = strchr( bv.bv_val, ':' );
+ if ( group_dn.bv_val == NULL ) {
+ /* last chance: assume it's a(n exact) DN ... */
+ bv.bv_val = val->bv_val;
+ scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
+ }
+
+ /*
+ * FIXME: we assume that "member" and "groupOfNames"
+ * are present in schema...
+ */
+ if ( bv.bv_val[ 0 ] == '/' ) {
+ group_oc.bv_val = &bv.bv_val[ 1 ];
+
+ member_at.bv_val = strchr( group_oc.bv_val, '/' );
+ if ( member_at.bv_val ) {
+ AttributeDescription *ad = NULL;
+ const char *text = NULL;
+
+ group_oc.bv_len = member_at.bv_val - group_oc.bv_val;
+ member_at.bv_val++;
+ member_at.bv_len = group_dn.bv_val - member_at.bv_val;
+ rc = slap_bv2ad( &member_at, &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ member_at = ad->ad_cname;
+
+ } else {
+ ObjectClass *oc = NULL;
+
+ group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
+
+ oc = oc_bvfind( &group_oc );
+ if ( oc == NULL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ group_oc = oc->soc_cname;
+ }
+ }
+
+ group_dn.bv_val++;
+ group_dn.bv_len = val->bv_len - ( group_dn.bv_val - val->bv_val );
+
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, &group_dn, &out, ctx );
+ } else {
+ rc = dnPretty( NULL, &group_dn, &out, ctx );
+ }
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ normalized->bv_len = STRLENOF( "group" ":" ) + out.bv_len;
+ if ( !BER_BVISNULL( &group_oc ) ) {
+ normalized->bv_len += STRLENOF( "/" ) + group_oc.bv_len;
+ if ( !BER_BVISNULL( &member_at ) ) {
+ normalized->bv_len += STRLENOF( "/" ) + member_at.bv_len;
+ }
+ }
+
+ normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+ ptr = lutil_strcopy( normalized->bv_val, "group" );
+ if ( !BER_BVISNULL( &group_oc ) ) {
+ ptr[ 0 ] = '/';
+ ptr++;
+ ptr = lutil_strncopy( ptr, group_oc.bv_val, group_oc.bv_len );
+ if ( !BER_BVISNULL( &member_at ) ) {
+ ptr[ 0 ] = '/';
+ ptr++;
+ ptr = lutil_strncopy( ptr, member_at.bv_val, member_at.bv_len );
+ }
+ }
+ ptr[ 0 ] = ':';
+ ptr++;
+ ptr = lutil_strncopy( ptr, out.bv_val, out.bv_len );
+ ptr[ 0 ] = '\0';
+ ber_memfree_x( out.bv_val, ctx );
+
+ return rc;
+ }
+
+ /*
+ * ldap:///<base>??<scope>?<filter>
+ * <scope> ::= {base|one|subtree}
+ *
+ * <scope> defaults to "base"
+ * <base> must pass DN normalization
+ * <filter> must pass str2filter()
+ */
+ rc = ldap_url_parse( val->bv_val, &ludp );
+ switch ( rc ) {
+ case LDAP_URL_SUCCESS:
+ /* FIXME: the check is pedantic, but I think it's necessary,
+ * because people tend to use things like ldaps:// which
+ * gives the idea SSL is being used. Maybe we could
+ * accept ldapi:// as well, but the point is that we use
+ * an URL as an easy means to define bits of a search with
+ * little parsing.
+ */
+ if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+ /*
+ * must be ldap:///
+ */
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+
+ AC_MEMCPY( ludp->lud_scheme, "ldap", STRLENOF( "ldap" ) );
+ break;
+
+ case LDAP_URL_ERR_BADSCHEME:
+ /*
+ * last chance: assume it's a(n exact) DN ...
+ *
+ * NOTE: must pass DN normalization
+ */
+ ldap_free_urldesc( ludp );
+ bv.bv_val = val->bv_val;
+ scope = LDAP_X_SCOPE_EXACT;
+ goto is_dn;
+
+ default:
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+
+ 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_INVALID_SYNTAX;
+ goto done;
+ }
+
+ /* Grab the filter */
+ if ( ludp->lud_filter ) {
+ struct berval filterstr;
+ Filter *f;
+
+ lud_filter = ludp->lud_filter;
+
+ f = str2filter( lud_filter );
+ if ( f == NULL ) {
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+ filter2bv( f, &filterstr );
+ filter_free( f );
+ if ( BER_BVISNULL( &filterstr ) ) {
+ rc = LDAP_INVALID_SYNTAX;
+ goto done;
+ }
+
+ ludp->lud_filter = filterstr.bv_val;
+ }
+
+ /* Grab the searchbase */
+ assert( ludp->lud_dn != NULL );
+ if ( ludp->lud_dn ) {
+ struct berval out = BER_BVNULL;
+
+ lud_dn = ludp->lud_dn;
-#ifdef SLAP_AUTH_REWRITE
-#include "rewrite.h"
-struct rewrite_info *sasl_rwinfo = NULL;
-#define AUTHID_CONTEXT "authid"
-#endif /* SLAP_AUTH_REWRITE */
+ ber_str2bv( lud_dn, 0, 0, &bv );
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, &bv, &out, ctx );
+ } else {
+ rc = dnPretty( NULL, &bv, &out, ctx );
+ }
-/* 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
+ if ( rc != LDAP_SUCCESS ) {
+ goto done;
+ }
-static int authz_policy = SASL_AUTHZ_NONE;
+ ludp->lud_dn = out.bv_val;
+ }
-int slap_sasl_setpolicy( const char *arg )
-{
- int rc = LDAP_SUCCESS;
+ ludp->lud_port = 0;
+ normalized->bv_val = ldap_url_desc2str( ludp );
+ if ( normalized->bv_val ) {
+ normalized->bv_len = strlen( normalized->bv_val );
- 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;
+ rc = LDAP_INVALID_SYNTAX;
}
- return rc;
-}
-
-int slap_parse_user( struct berval *id, struct berval *user,
- struct berval *realm, struct berval *mech )
-{
- char u;
-
- assert( id );
- assert( !BER_BVISNULL( id ) );
- 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;
+done:
+ if ( lud_filter ) {
+ if ( ludp->lud_filter != lud_filter ) {
+ ber_memfree( ludp->lud_filter );
+ }
+ ludp->lud_filter = lud_filter;
}
- /* uauthzid form:
- * u[.mech[/realm]]:user
- */
-
- user->bv_val = strchr( id->bv_val, ':' );
- if ( BER_BVISNULL( user ) ) {
- return LDAP_PROTOCOL_ERROR;
+ if ( lud_dn ) {
+ if ( ludp->lud_dn != lud_dn ) {
+ ber_memfree( ludp->lud_dn );
+ }
+ ludp->lud_dn = lud_dn;
}
- 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 ( !BER_BVISNULL( mech ) ) {
- mech->bv_val[ 0 ] = '\0';
- mech->bv_val++;
+ ldap_free_urldesc( ludp );
- realm->bv_val = strchr( mech->bv_val, '/' );
+ return( rc );
+}
- if ( !BER_BVISNULL( realm ) ) {
- 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;
- }
+int
+authzNormalize(
+ slap_mask_t usage,
+ Syntax *syntax,
+ MatchingRule *mr,
+ struct berval *val,
+ struct berval *normalized,
+ void *ctx )
+{
+ int rc;
- } else {
- BER_BVZERO( realm );
- }
+ Debug( LDAP_DEBUG_TRACE, ">>> authzNormalize: <%s>\n",
+ val->bv_val, 0, 0 );
- if ( id->bv_val[ 1 ] != '\0' ) {
- return LDAP_PROTOCOL_ERROR;
- }
+ rc = authzPrettyNormal( val, normalized, ctx, 1 );
- if ( !BER_BVISNULL( mech ) ) {
- assert( mech->bv_val == id->bv_val + 2 );
+ Debug( LDAP_DEBUG_TRACE, "<<< authzNormalize: <%s> (%d)\n",
+ normalized->bv_val, rc, 0 );
- AC_MEMCPY( mech->bv_val - 2, mech->bv_val, mech->bv_len + 1 );
- mech->bv_val -= 2;
- }
+ return rc;
+}
- if ( !BER_BVISNULL( realm ) ) {
- assert( realm->bv_val >= id->bv_val + 2 );
+int
+authzPretty(
+ Syntax *syntax,
+ struct berval *val,
+ struct berval *out,
+ void *ctx)
+{
+ int rc;
- AC_MEMCPY( realm->bv_val - 2, realm->bv_val, realm->bv_len + 1 );
- realm->bv_val -= 2;
- }
+ Debug( LDAP_DEBUG_TRACE, ">>> authzPretty: <%s>\n",
+ val->bv_val, 0, 0 );
- /* leave "u:" before user */
- user->bv_val -= 2;
- user->bv_len += 2;
- user->bv_val[ 0 ] = u;
- user->bv_val[ 1 ] = ':';
+ rc = authzPrettyNormal( val, out, ctx, 0 );
- return LDAP_SUCCESS;
+ Debug( LDAP_DEBUG_TRACE, "<<< authzPretty: <%s> (%d)\n",
+ out->bv_val, rc, 0 );
+
+ return rc;
}
-static int slap_parseURI( Operation *op, struct berval *uri,
- struct berval *base, struct berval *nbase,
- int *scope, Filter **filter, struct berval *fstr )
+#endif /* SLAP_AUTHZ_SYNTAX */
+
+static int
+slap_parseURI(
+ Operation *op,
+ struct berval *uri,
+ struct berval *base,
+ struct berval *nbase,
+ int *scope,
+ Filter **filter,
+ struct berval *fstr,
+ int normalize )
{
- struct berval bv;
- int rc;
- LDAPURLDesc *ludp;
+ struct berval bv;
+ int rc;
+ LDAPURLDesc *ludp;
+
+#ifdef SLAP_ORDERED_PRETTYNORM
+ struct berval idx;
+#endif /* SLAP_ORDERED_PRETTYNORM */
assert( uri != NULL && !BER_BVISNULL( uri ) );
BER_BVZERO( base );
*scope = -1;
*filter = NULL;
-#ifdef NEW_LOGGING
- 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->bv_val, 0, 0 );
-#endif
rc = LDAP_PROTOCOL_ERROR;
+
+#ifdef SLAP_ORDERED_PRETTYNORM
+ idx = *uri;
+ if ( idx.bv_val[ 0 ] == '{' ) {
+ char *ptr;
+
+ ptr = strchr( idx.bv_val, '}' ) + 1;
+
+ assert( ptr != (void *)1 );
+
+ idx.bv_len -= ptr - idx.bv_val;
+ idx.bv_val = ptr;
+ uri = &idx;
+ }
+#endif /* SLAP_ORDERED_PRETTYNORM */
+
+ /*
+ * dn[.<dnstyle>]:<dnpattern>
+ * <dnstyle> ::= {exact|regex|children|subtree|onelevel}
+ *
+ * <dnstyle> defaults to "exact"
+ * if <dnstyle> is not "regex", <dnpattern> must pass DN normalization
+ */
if ( !strncasecmp( uri->bv_val, "dn", STRLENOF( "dn" ) ) ) {
bv.bv_val = uri->bv_val + STRLENOF( "dn" );
bv.bv_val += STRLENOF( "regex:" );
*scope = LDAP_X_SCOPE_REGEX;
- } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "chldren:" ) ) ) {
+ } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
bv.bv_val += STRLENOF( "children:" );
*scope = LDAP_X_SCOPE_CHILDREN;
}
} else {
- if ( bv.bv_val[ 0 ] != ':' )
+ if ( bv.bv_val[ 0 ] != ':' ) {
return LDAP_PROTOCOL_ERROR;
+ }
+ *scope = LDAP_X_SCOPE_EXACT;
bv.bv_val++;
}
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 */
+ * and uri was not an URI... HEADS-UP: assuming EXACT */
is_dn: bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
+ /* a single '*' means any DN without using regexes */
+ if ( ber_bvccmp( &bv, '*' ) ) {
+ *scope = LDAP_X_SCOPE_USERS;
+ }
+
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;
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, &bv, nbase, op->o_tmpmemctx );
+ if( rc != LDAP_SUCCESS ) {
+ *scope = -1;
+ }
+ } else {
+ ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+ rc = LDAP_SUCCESS;
}
break;
case LDAP_X_SCOPE_REGEX:
ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+
+ case LDAP_X_SCOPE_USERS:
rc = LDAP_SUCCESS;
break;
return rc;
+ /*
+ * u:<uid>
+ */
} else if ( ( uri->bv_val[ 0 ] == 'u' || uri->bv_val[ 0 ] == 'U' )
&& ( uri->bv_val[ 1 ] == ':'
|| uri->bv_val[ 1 ] == '/'
return rc;
+ /*
+ * group[/<groupoc>[/<groupat>]]:<groupdn>
+ *
+ * groupoc defaults to "groupOfNames"
+ * groupat defaults to "member"
+ *
+ * <groupdn> must pass DN normalization
+ */
} else if ( strncasecmp( uri->bv_val, "group", STRLENOF( "group" ) ) == 0 )
{
struct berval group_dn = BER_BVNULL,
} else {
group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
- BER_BVSTR( &member_at, "member" );
+ BER_BVSTR( &member_at, SLAPD_GROUP_ATTR );
}
} else {
- BER_BVSTR( &group_oc, "groupOfNames" );
+ BER_BVSTR( &group_oc, SLAPD_GROUP_CLASS );
}
group_dn.bv_val++;
group_dn.bv_len = uri->bv_len - ( group_dn.bv_val - uri->bv_val );
- fstr->bv_len = STRLENOF( "(&(objectClass=)(=" ) + group_oc.bv_len + member_at.bv_len;
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, &group_dn, nbase, op->o_tmpmemctx );
+ if ( rc != LDAP_SUCCESS ) {
+ *scope = -1;
+ return rc;
+ }
+ } else {
+ ber_dupbv_x( nbase, &group_dn, op->o_tmpmemctx );
+ rc = LDAP_SUCCESS;
+ }
+ *scope = LDAP_X_SCOPE_GROUP;
+
+ /* FIXME: caller needs to add value of member attribute
+ * and close brackets twice */
+ fstr->bv_len = STRLENOF( "(&(objectClass=)(=" /* )) */ )
+ + group_oc.bv_len + member_at.bv_len;
fstr->bv_val = ch_malloc( fstr->bv_len + 1 );
- tmp = lutil_strncopy( fstr->bv_val, "(&(objectClass=", STRLENOF( "(&(objectClass=" ) );
+ tmp = lutil_strncopy( fstr->bv_val, "(&(objectClass=" /* )) */ ,
+ STRLENOF( "(&(objectClass=" /* )) */ ) );
tmp = lutil_strncopy( tmp, group_oc.bv_val, group_oc.bv_len );
- tmp = lutil_strncopy( tmp, ")(", STRLENOF( ")(" ) );
+ tmp = lutil_strncopy( tmp, /* ( */ ")(" /* ) */ ,
+ STRLENOF( /* ( */ ")(" /* ) */ ) );
tmp = lutil_strncopy( tmp, member_at.bv_val, member_at.bv_len );
tmp = lutil_strncopy( tmp, "=", STRLENOF( "=" ) );
- rc = dnNormalize( 0, NULL, NULL, &group_dn, nbase, op->o_tmpmemctx );
- if ( rc != LDAP_SUCCESS ) {
- *scope = -1;
- } else {
- *scope = LDAP_X_SCOPE_GROUP;
- }
return rc;
}
-
+
+ /*
+ * ldap:///<base>??<scope>?<filter>
+ * <scope> ::= {base|one|subtree}
+ *
+ * <scope> defaults to "base"
+ * <base> must pass DN normalization
+ * <filter> must pass str2filter()
+ */
rc = ldap_url_parse( uri->bv_val, &ludp );
- if ( rc == LDAP_URL_ERR_BADSCHEME ) {
- /* last chance: assume it's a(n exact) DN ... */
+ switch ( rc ) {
+ case LDAP_URL_SUCCESS:
+ /* FIXME: the check is pedantic, but I think it's necessary,
+ * because people tend to use things like ldaps:// which
+ * gives the idea SSL is being used. Maybe we could
+ * accept ldapi:// as well, but the point is that we use
+ * an URL as an easy means to define bits of a search with
+ * little parsing.
+ */
+ if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+ /*
+ * must be ldap:///
+ */
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
+ }
+ break;
+
+ case LDAP_URL_ERR_BADSCHEME:
+ /*
+ * last chance: assume it's a(n exact) DN ...
+ *
+ * NOTE: must pass DN normalization
+ */
+ ldap_free_urldesc( ludp );
bv.bv_val = uri->bv_val;
*scope = LDAP_X_SCOPE_EXACT;
goto is_dn;
- }
- if ( rc != LDAP_URL_SUCCESS ) {
- return LDAP_PROTOCOL_ERROR;
+ default:
+ rc = LDAP_PROTOCOL_ERROR;
+ goto done;
}
- if (( ludp->lud_host && *ludp->lud_host )
+ if ( ( ludp->lud_host && *ludp->lud_host )
|| ludp->lud_attrs || ludp->lud_exts )
{
/* host part must be empty */
/* Grab the searchbase */
ber_str2bv( ludp->lud_dn, 0, 0, base );
- rc = dnNormalize( 0, NULL, NULL, base, nbase, op->o_tmpmemctx );
+ if ( normalize ) {
+ rc = dnNormalize( 0, NULL, NULL, base, nbase, op->o_tmpmemctx );
+ } else {
+ ber_dupbv_x( nbase, base, op->o_tmpmemctx );
+ rc = LDAP_SUCCESS;
+ }
done:
if( rc != LDAP_SUCCESS ) {
return( rc );
}
+#ifndef SLAP_AUTH_REWRITE
static int slap_sasl_rx_off(char *rep, int *off)
{
const char *c;
}
if ( *c == '$' ) {
if ( n == SASLREGEX_REPLACE ) {
-#ifdef NEW_LOGGING
- 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 $n "
"placeholders (max %d)\n",
rep, SASLREGEX_REPLACE, 0 );
-#endif
return( LDAP_OTHER );
}
off[n] = -1;
return( LDAP_SUCCESS );
}
+#endif /* ! SLAP_AUTH_REWRITE */
#ifdef SLAP_AUTH_REWRITE
int slap_sasl_rewrite_config(
const char *context )
{
int rc;
- char *newreplace, *p;
- char *argvRule[] = { "rewriteRule", NULL, NULL, "@", NULL };
+ char *argvRule[] = { "rewriteRule", NULL, NULL, ":@", NULL };
/* init at first call */
if ( sasl_rwinfo == NULL ) {
}
}
- newreplace = ch_strdup( replace );
-
- for (p = strchr( newreplace, '$' ); p; p = strchr( p + 1, '$' ) ) {
- if ( isdigit( p[1] ) ) {
- p[0] = '%';
- } else {
- p++;
- }
- }
-
argvRule[1] = (char *)match;
- argvRule[2] = newreplace;
+ argvRule[2] = (char *)replace;
rc = rewrite_parse( sasl_rwinfo, fname, lineno, 4, argvRule );
- ch_free( newreplace );
return rc;
}
int slap_sasl_regexp_config( const char *match, const char *replace )
{
-#ifdef SLAP_AUTH_REWRITE
- return slap_sasl_regexp_rewrite_config( "sasl-regexp", 0,
- match, replace, AUTHID_CONTEXT );
-#else /* ! SLAP_AUTH_REWRITE */
int rc;
SaslRegexp_t *reg;
reg->sr_match = ch_strdup( match );
reg->sr_replace = ch_strdup( replace );
+#ifdef SLAP_AUTH_REWRITE
+ rc = slap_sasl_regexp_rewrite_config( "sasl-regexp", 0,
+ match, replace, AUTHID_CONTEXT );
+ if ( rc == LDAP_SUCCESS ) nSaslRegexp++;
+ return rc;
+#else /* ! SLAP_AUTH_REWRITE */
+
/* Precompile matching pattern */
rc = regcomp( ®->sr_workspace, reg->sr_match, REG_EXTENDED|REG_ICASE );
if ( rc ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ERR,
- "slap_sasl_regexp_config: \"%s\" could not be compiled.\n",
- reg->sr_match, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"SASL match pattern %s could not be compiled by regexp engine\n",
reg->sr_match, 0, 0 );
-#endif
+#ifdef ENABLE_REWRITE
+ /* Dummy block to force symbol references in librewrite */
+ if ( slapMode == ( SLAP_SERVER_MODE|SLAP_TOOL_MODE )) {
+ rewrite_info_init( 0 );
+ }
+#endif
return( LDAP_OTHER );
}
#endif /* ! SLAP_AUTH_REWRITE */
}
+void slap_sasl_regexp_unparse( BerVarray *out )
+{
+ int i;
+ BerVarray bva = NULL;
+ char ibuf[32], *ptr;
+ struct berval idx;
+
+ if ( !nSaslRegexp ) return;
+
+ idx.bv_val = ibuf;
+ bva = ch_malloc( (nSaslRegexp+1) * sizeof(struct berval) );
+ BER_BVZERO(bva+nSaslRegexp);
+ for ( i=0; i<nSaslRegexp; i++ ) {
+ idx.bv_len = sprintf( idx.bv_val, "{%d}", i);
+ bva[i].bv_len = idx.bv_len + strlen( SaslRegexp[i].sr_match ) +
+ strlen( SaslRegexp[i].sr_replace ) + 5;
+ bva[i].bv_val = ch_malloc( bva[i].bv_len+1 );
+ ptr = lutil_strcopy( bva[i].bv_val, ibuf );
+ *ptr++ = '"';
+ ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_match );
+ ptr = lutil_strcopy( ptr, "\" \"" );
+ ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_replace );
+ *ptr++ = '"';
+ *ptr = '\0';
+ }
+ *out = bva;
+}
+
+#ifndef SLAP_AUTH_REWRITE
/* Perform replacement on regexp matches */
static void slap_sasl_rx_exp(
const char *rep,
out->bv_val[insert] = '\0';
}
+#endif /* ! SLAP_AUTH_REWRITE */
/* 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 int slap_sasl_regexp( struct berval *in, struct berval *out,
+static int slap_authz_regexp( struct berval *in, struct berval *out,
int flags, void *ctx )
{
#ifdef SLAP_AUTH_REWRITE
if ( !BER_BVISNULL( out ) ) {
char *val = out->bv_val;
ber_str2bv_x( val, 0, 1, out, ctx );
- free( val );
+ if ( val != in->bv_val ) {
+ free( val );
+ }
} else {
ber_dupbv_x( out, in, ctx );
}
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_LDAP, DETAIL1,
- "[rw] %s: \"%s\" -> \"%s\"\n",
- context, in->bv_val, out->bv_val );
-#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ARGS,
"[rw] %s: \"%s\" -> \"%s\"\n",
context, in->bv_val, out->bv_val );
-#endif /* !NEW_LOGGING */
return 1;
case REWRITE_REGEXEC_UNWILLING:
memset( out, 0, sizeof( *out ) );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_regexp: converting SASL name %s\n", saslname, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE, "slap_sasl_regexp: converting SASL name %s\n",
+ Debug( LDAP_DEBUG_TRACE, "slap_authz_regexp: converting SASL name %s\n",
saslname, 0, 0 );
-#endif
if (( saslname == NULL ) || ( nSaslRegexp == 0 )) {
return( 0 );
slap_sasl_rx_exp( reg->sr_replace, reg->sr_offset,
sr_strings, saslname, out, ctx );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_regexp: converted SASL name to %s\n",
- BER_BVISEMPTY( out ) ? "" : out->bv_val, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
- "slap_sasl_regexp: converted SASL name to %s\n",
+ "slap_authz_regexp: converted SASL name to %s\n",
BER_BVISEMPTY( out ) ? "" : out->bv_val, 0, 0 );
-#endif
return( 1 );
#endif /* ! SLAP_AUTH_REWRITE */
o->o_tmpfree(ndn->bv_val, o->o_tmpmemctx);
BER_BVZERO( ndn );
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, DETAIL1,
- "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#endif
return -1;
}
{
smatch_info *sm = o->o_callback->sc_private;
- if (rs->sr_type != REP_SEARCH) return 0;
+ if ( rs->sr_type != REP_SEARCH ) {
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ sm->match = -1;
+ }
+ return 0;
+ }
+
+ if ( sm->match == 1 ) {
+ sm->match = -1;
+ return 0;
+ }
if (dn_match(sm->dn, &rs->sr_entry->e_nname)) {
sm->match = 1;
- return -1; /* short-circuit the search */
+
+ } else {
+ sm->match = -1;
}
- return 1;
+ return 0;
+}
+
+int
+slap_sasl_matches( Operation *op, BerVarray rules,
+ struct berval *assertDN, struct berval *authc )
+{
+ int rc = LDAP_INAPPROPRIATE_AUTH;
+
+ if ( rules != NULL ) {
+ int i;
+
+ for( i = 0; !BER_BVISNULL( &rules[i] ); i++ ) {
+ rc = slap_sasl_match( op, &rules[i], assertDN, authc );
+ if ( rc == LDAP_SUCCESS ) break;
+ }
+ }
+
+ return rc;
}
/*
* The assertDN should not have the dn: prefix
*/
-static
-int slap_sasl_match( Operation *opx, struct berval *rule,
+static int
+slap_sasl_match( Operation *opx, struct berval *rule,
struct berval *assertDN, struct berval *authc )
{
int rc;
slap_callback cb = { NULL, sasl_sc_smatch, NULL, NULL };
Operation op = {0};
SlapReply rs = {REP_RESULT};
+ struct berval base = BER_BVNULL;
sm.dn = assertDN;
sm.match = 0;
cb.sc_private = &sm;
-#ifdef NEW_LOGGING
- 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->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 );
+ /* NOTE: don't normalize rule if authz syntax is enabled */
+ rc = slap_parseURI( opx, rule, &base, &op.o_req_ndn,
+ &op.ors_scope, &op.ors_filter, &op.ors_filterstr,
+#ifdef SLAP_AUTHZ_SYNTAX
+ 0
+#else /* ! SLAP_AUTHZ_SYNTAX */
+ 1
+#endif /* ! SLAP_AUTHZ_SYNTAX */
+ );
+
if( rc != LDAP_SUCCESS ) goto CONCLUDED;
- /* Massive shortcut: search scope == base */
- switch ( op.oq_search.rs_scope ) {
- case LDAP_SCOPE_BASE:
+ switch ( op.ors_scope ) {
case LDAP_X_SCOPE_EXACT:
exact_match:
if ( dn_match( &op.o_req_ndn, assertDN ) ) {
rc = LDAP_INAPPROPRIATE_AUTH;
- if ( d == 0 && op.oq_search.rs_scope == LDAP_X_SCOPE_SUBTREE ) {
+ if ( d == 0 && op.ors_scope == LDAP_X_SCOPE_SUBTREE ) {
goto exact_match;
} else if ( d > 0 ) {
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 ) {
+ switch ( op.ors_scope ) {
case LDAP_X_SCOPE_SUBTREE:
case LDAP_X_SCOPE_CHILDREN:
rc = LDAP_SUCCESS;
* we need to append the <assertDN> so that the <group_dn> is searched
* with scope "base", and the filter ensures that <assertDN> is
* member of the group */
- tmp = ch_realloc( op.ors_filterstr.bv_val,
- op.ors_filterstr.bv_len + assertDN->bv_len + STRLENOF( "))" ) + 1 );
+ tmp = ch_realloc( op.ors_filterstr.bv_val, op.ors_filterstr.bv_len +
+ assertDN->bv_len + STRLENOF( /*"(("*/ "))" ) + 1 );
if ( tmp == NULL ) {
rc = LDAP_NO_MEMORY;
goto CONCLUDED;
}
op.ors_filterstr.bv_val = tmp;
- tmp = lutil_strcopy( &tmp[ op.ors_filterstr.bv_len ], assertDN->bv_val );
- tmp = lutil_strcopy( tmp, "))" );
+ tmp = lutil_strcopy( &tmp[op.ors_filterstr.bv_len], assertDN->bv_val );
+ tmp = lutil_strcopy( tmp, /*"(("*/ "))" );
/* pass opx because str2filter_x may (and does) use o_tmpmfuncs */
op.ors_filter = str2filter_x( opx, op.ors_filterstr.bv_val );
break;
}
+ case LDAP_X_SCOPE_USERS:
+ if ( !BER_BVISEMPTY( assertDN ) ) {
+ rc = LDAP_SUCCESS;
+ } else {
+ rc = LDAP_INAPPROPRIATE_AUTH;
+ }
+ goto CONCLUDED;
+
default:
break;
}
/* Must run an internal search. */
- if ( op.oq_search.rs_filter == NULL ) {
+ if ( op.ors_filter == NULL ) {
rc = LDAP_FILTER_ERROR;
goto CONCLUDED;
}
-#ifdef NEW_LOGGING
- 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",
- op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#endif
+ op.o_req_ndn.bv_val, op.ors_scope, 0 );
op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
goto CONCLUDED;
}
+ op.o_hdr = opx->o_hdr;
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();
+ slap_op_time( &op.o_time, &op.o_tincr );
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;
/* use req_ndn as req_dn instead of non-pretty base of uri */
- if( !BER_BVISNULL( &op.o_req_dn ) ) ch_free( op.o_req_dn.bv_val );
+ if( !BER_BVISNULL( &base ) ) {
+ ch_free( base.bv_val );
+ /* just in case... */
+ BER_BVZERO( &base );
+ }
ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
- op.oq_search.rs_slimit = 1;
- op.oq_search.rs_tlimit = -1;
- op.o_sync_slog_size = -1;
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_tlimit = SLAP_NO_LIMIT;
+ op.ors_attrs = slap_anlist_no_attrs;
+ op.ors_attrsonly = 1;
op.o_bd->be_search( &op, &rs );
- if (sm.match) {
+ if (sm.match == 1) {
rc = LDAP_SUCCESS;
} else {
rc = LDAP_INAPPROPRIATE_AUTH;
CONCLUDED:
if( !BER_BVISNULL( &op.o_req_dn ) ) slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
if( !BER_BVISNULL( &op.o_req_ndn ) ) slap_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_filter ) filter_free_x( opx, op.ors_filter );
if( !BER_BVISNULL( &op.ors_filterstr ) ) ch_free( op.ors_filterstr.bv_val );
-#ifdef NEW_LOGGING
- 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);
-#endif
return( rc );
}
AttributeDescription *ad,
struct berval *authc )
{
- int i, rc;
- BerVarray vals=NULL;
-
-#ifdef NEW_LOGGING
- 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
+ int rc;
+ BerVarray vals = NULL;
+
Debug( LDAP_DEBUG_TRACE,
"==>slap_sasl_check_authz: does %s match %s rule in %s?\n",
assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
-#endif
- rc = backend_attribute( op, NULL,
- searchDN, ad, &vals );
+ rc = backend_attribute( op, NULL, searchDN, ad, &vals, ACL_AUTH );
if( rc != LDAP_SUCCESS ) goto COMPLETE;
- /* Check if the *assertDN matches any **vals */
- if( vals != NULL ) {
- for( i=0; !BER_BVISNULL( &vals[i] ); i++ ) {
- rc = slap_sasl_match( op, &vals[i], assertDN, authc );
- if ( rc == LDAP_SUCCESS ) goto COMPLETE;
- }
- }
- rc = LDAP_INAPPROPRIATE_AUTH;
+ /* Check if the *assertDN matches any *vals */
+ rc = slap_sasl_matches( op, vals, assertDN, authc );
COMPLETE:
if( vals ) ber_bvarray_free_x( vals, op->o_tmpmemctx );
-#ifdef NEW_LOGGING
- 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",
ad->ad_cname.bv_val, rc, 0);
-#endif
return( rc );
}
* 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 )
+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;
+ struct berval base = 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;
+ BER_BVZERO( sasldn );
cb.sc_private = sasldn;
/* Convert the SASL name into a minimal URI */
- if( !slap_sasl_regexp( saslname, ®out, flags, opx->o_tmpmemctx ) ) {
+ if( !slap_authz_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 );
+ /* NOTE: always normalize regout because it results
+ * from string submatch expansion */
+ rc = slap_parseURI( opx, ®out, &base, &op.o_req_ndn,
+ &op.ors_scope, &op.ors_filter, &op.ors_filterstr, 1 );
if ( !BER_BVISNULL( ®out ) ) slap_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 );
- /* Massive shortcut: search scope == base */
- switch ( op.oq_search.rs_scope ) {
- case LDAP_SCOPE_BASE:
+ switch ( op.ors_scope ) {
case LDAP_X_SCOPE_EXACT:
*sasldn = op.o_req_ndn;
BER_BVZERO( &op.o_req_ndn );
case LDAP_X_SCOPE_CHILDREN:
case LDAP_X_SCOPE_ONELEVEL:
case LDAP_X_SCOPE_GROUP:
+ case LDAP_X_SCOPE_USERS:
/* correctly parsed, but illegal */
goto FINISHED;
+ case LDAP_SCOPE_BASE:
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
#ifdef LDAP_SCOPE_SUBORDINATE
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
+ op.o_req_ndn.bv_val, op.ors_scope, 0 );
- if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
+ if ( ( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL) ) {
+ goto FINISHED;
+ }
+
+ /* Must run an internal search. */
+ if ( op.ors_filter == NULL ) {
+ rc = LDAP_FILTER_ERROR;
goto FINISHED;
}
- op.o_conn = opx->o_conn;
- op.o_connid = opx->o_connid;
+ op.o_hdr = opx->o_hdr;
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();
+ slap_op_time( &op.o_time, &op.o_tincr );
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 = -1;
- op.oq_search.rs_attrsonly = 1;
+ op.ors_deref = LDAP_DEREF_NEVER;
+ op.ors_slimit = 1;
+ op.ors_tlimit = SLAP_NO_LIMIT;
+ op.ors_attrs = slap_anlist_no_attrs;
+ op.ors_attrsonly = 1;
/* use req_ndn as req_dn instead of non-pretty base of uri */
- if( !BER_BVISNULL( &op.o_req_dn ) ) ch_free( op.o_req_dn.bv_val );
+ if( !BER_BVISNULL( &base ) ) {
+ ch_free( base.bv_val );
+ /* just in case... */
+ BER_BVZERO( &base );
+ }
ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
op.o_bd->be_search( &op, &rs );
if( !BER_BVISEMPTY( sasldn ) ) {
opx->o_conn->c_authz_backend = op.o_bd;
}
- if( !BER_BVISNULL( &op.o_req_dn ) ) slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
- if( !BER_BVISNULL( &op.o_req_ndn ) ) slap_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( !BER_BVISNULL( &op.ors_filterstr ) ) ch_free( op.ors_filterstr.bv_val );
+ if( !BER_BVISNULL( &op.o_req_dn ) ) {
+ slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
+ }
+ if( !BER_BVISNULL( &op.o_req_ndn ) ) {
+ slap_sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
+ }
+ if( op.ors_filter ) {
+ filter_free_x( opx, op.ors_filter );
+ }
+ if( !BER_BVISNULL( &op.ors_filterstr ) ) {
+ ch_free( op.ors_filterstr.bv_val );
+ }
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl2dn: Converted SASL name to %s\n",
- !BER_BVISEMPTY( sasldn ) ? sasldn->bv_val : "<nothing>", 0, 0 );
-#else
Debug( LDAP_DEBUG_TRACE, "<==slap_sasl2dn: Converted SASL name to %s\n",
!BER_BVISEMPTY( sasldn ) ? sasldn->bv_val : "<nothing>", 0, 0 );
-#endif
return;
}
goto DONE;
}
-#ifdef NEW_LOGGING
- 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->bv_val, authzDN->bv_val, 0 );
-#endif
/* If person is authorizing to self, succeed */
if ( dn_match( authcDN, authzDN ) ) {
DONE:
-#ifdef NEW_LOGGING
- 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 );
-#endif
return( rc );
}