X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fpasswd.c;h=06cc1586a87478d2285866f4d7b2badd4b3d0bf0;hb=62139b6ef3634529c6d1ff726c337e685ea38cf8;hp=ab04da8d2a8ffbff4b3b46d6d77588664570cf13;hpb=14662be6923878e17b2092e754a0bbc06c634a20;p=openldap

diff --git a/servers/slapd/passwd.c b/servers/slapd/passwd.c
index ab04da8d2a..06cc1586a8 100644
--- a/servers/slapd/passwd.c
+++ b/servers/slapd/passwd.c
@@ -16,6 +16,7 @@
 
 #include "slap.h"
 
+#include <lber_pvt.h>
 #include <lutil.h>
 
 int passwd_extop(
@@ -28,6 +29,7 @@ int passwd_extop(
 	const char **text,
 	BerVarray *refs )
 {
+	Backend *be;
 	int rc;
 
 	assert( reqoid != NULL );
@@ -38,28 +40,47 @@ int passwd_extop(
 		return LDAP_STRONG_AUTH_REQUIRED;
 	}
 
-	if( conn->c_authz_backend != NULL && conn->c_authz_backend->be_extended ) {
-		if( conn->c_authz_backend->be_restrictops & SLAP_RESTRICT_OP_MODIFY ) {
-			*text = "authorization database is read only";
-			rc = LDAP_UNWILLING_TO_PERFORM;
+	ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+	be = conn->c_authz_backend;
+	ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 
-		} else if( conn->c_authz_backend->be_update_ndn.bv_len ) {
-			/* we SHOULD return a referral in this case */
-			*refs = referral_rewrite( conn->c_authz_backend->be_update_refs,
-				NULL, NULL, LDAP_SCOPE_DEFAULT );
-			rc = LDAP_REFERRAL;
+	if( be && !be->be_extended ) {
+		*text = "operation not supported for current user";
+		return LDAP_UNWILLING_TO_PERFORM;
+	}
 
-		} else {
-			rc = conn->c_authz_backend->be_extended(
-				conn->c_authz_backend, conn, op,
-				reqoid, reqdata,
-				rspoid, rspdata, rspctrls,
-				text, refs );
-		}
+	{
+		struct berval passwd = BER_BVC( LDAP_EXOP_MODIFY_PASSWD );
+		rc = backend_check_restrictions( be, conn, op, &passwd, text );
+	}
+
+	if( rc != LDAP_SUCCESS ) {
+		return rc;
+	}
+
+	if( be == NULL ) {
+#ifdef HAVE_CYRUS_SASL
+		rc = slap_sasl_setpass( conn, op,
+			reqoid, reqdata,
+			rspoid, rspdata, rspctrls,
+			text );
+#else
+		*text = "no authz backend";
+		rc = LDAP_OTHER;
+#endif
+
+	} else if( be->be_update_ndn.bv_len ) {
+		/* we SHOULD return a referral in this case */
+		*refs = referral_rewrite( be->be_update_refs,
+			NULL, NULL, LDAP_SCOPE_DEFAULT );
+			rc = LDAP_REFERRAL;
 
 	} else {
-		*text = "operation not supported for current user";
-		rc = LDAP_UNWILLING_TO_PERFORM;
+		rc = be->be_extended(
+			be, conn, op,
+			reqoid, reqdata,
+			rspoid, rspdata, rspctrls,
+			text, refs );
 	}
 
 	return rc;
@@ -74,27 +95,21 @@ int slap_passwd_parse( struct berval *reqdata,
 	int rc = LDAP_SUCCESS;
 	ber_tag_t tag;
 	ber_len_t len;
-	BerElement *ber;
+	char berbuf[256];
+	BerElement *ber = (BerElement *)berbuf;
 
 	if( reqdata == NULL ) {
 		return LDAP_SUCCESS;
 	}
 
-	ber = ber_init( reqdata );
-
-	if( ber == NULL ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
-			   "slap_passwd_parse: ber_init failed\n" ));
-#else
-		Debug( LDAP_DEBUG_TRACE, "slap_passwd_parse: ber_init failed\n",
-			0, 0, 0 );
-#endif
-
-		*text = "password decoding error";
+	if( reqdata->bv_len == 0 ) {
+		*text = "empty request data field";
 		return LDAP_PROTOCOL_ERROR;
 	}
 
+	/* ber_init2 uses reqdata directly, doesn't allocate new buffers */
+	ber_init2( ber, reqdata, 0 );
+
 	tag = ber_scanf( ber, "{" /*}*/ );
 
 	if( tag != LBER_ERROR ) {
@@ -162,7 +177,7 @@ int slap_passwd_parse( struct berval *reqdata,
 			goto decoding_error;
 		}
 
-		tag = ber_peek_tag( ber, &len);
+		tag = ber_peek_tag( ber, &len );
 	}
 
 	if( tag == LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ) {
@@ -208,30 +223,11 @@ decoding_error:
 			(long) len, 0, 0 );
 #endif
 
-
 		*text = "data decoding error";
 		rc = LDAP_PROTOCOL_ERROR;
 	}
 
 done:
-	if( rc != LDAP_SUCCESS ) {
-		if( id && id->bv_val != NULL ) {
-			free( id->bv_val );
-			id->bv_val = NULL;
-		}
-
-		if( oldpass && oldpass->bv_val != NULL ) {
-			free( oldpass->bv_val );
-			oldpass->bv_val = NULL;
-		}
-
-		if( newpass && newpass->bv_val != NULL ) {
-			free( newpass->bv_val );
-			newpass->bv_val = NULL;
-		}
-	}
-
-	ber_free( ber, 1 );
 	return rc;
 }
 
@@ -347,8 +343,13 @@ slap_passwd_hash(
 #if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
 	ldap_pvt_thread_mutex_unlock( &passwd_mutex );
 #endif
+
+	if( tmp == NULL ) {
+		new->bv_len = 0;
+		new->bv_val = NULL;
+	}
+
 	*new = *tmp;
 	free( tmp );
-
 	return;
 }