Adding upstream version 2.4.47+dfsg.upstream/2.4.47+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 398 insertions, 0 deletions

diff --git a/libraries/libldap/error.c b/libraries/libldap/error.c
new file mode 100644
index 0000000..7052d3a
--- /dev/null
+++ b/libraries/libldap/error.c
@@ -0,0 +1,398 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2018 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * 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 <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "ldap-int.h"
+
+void ldap_int_error_init( void ) {
+}
+
+char *
+ldap_err2string( int err )
+{
+	char *m;
+
+	Debug( LDAP_DEBUG_TRACE, "ldap_err2string\n", 0, 0, 0 );
+
+	switch ( err ) {
+#	define C(code, message) case code: m = message; break
+
+	/* LDAPv3 (RFC 4511) codes */
+	C(LDAP_SUCCESS,					N_("Success"));
+	C(LDAP_OPERATIONS_ERROR, 		N_("Operations error"));
+	C(LDAP_PROTOCOL_ERROR, 			N_("Protocol error"));
+	C(LDAP_TIMELIMIT_EXCEEDED,		N_("Time limit exceeded"));
+	C(LDAP_SIZELIMIT_EXCEEDED, 		N_("Size limit exceeded"));
+	C(LDAP_COMPARE_FALSE, 			N_("Compare False"));
+	C(LDAP_COMPARE_TRUE, 			N_("Compare True"));
+	C(LDAP_STRONG_AUTH_NOT_SUPPORTED,N_("Authentication method not supported"));
+	C(LDAP_STRONG_AUTH_REQUIRED,	N_("Strong(er) authentication required"));
+
+	C(LDAP_REFERRAL,				N_("Referral"));
+	C(LDAP_ADMINLIMIT_EXCEEDED,		N_("Administrative limit exceeded"));
+	C(LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+									N_("Critical extension is unavailable"));
+	C(LDAP_CONFIDENTIALITY_REQUIRED,N_("Confidentiality required"));
+	C(LDAP_SASL_BIND_IN_PROGRESS,	N_("SASL bind in progress"));
+
+	C(LDAP_NO_SUCH_ATTRIBUTE, 		N_("No such attribute"));
+	C(LDAP_UNDEFINED_TYPE, 			N_("Undefined attribute type"));
+	C(LDAP_INAPPROPRIATE_MATCHING, 	N_("Inappropriate matching"));
+	C(LDAP_CONSTRAINT_VIOLATION, 	N_("Constraint violation"));
+	C(LDAP_TYPE_OR_VALUE_EXISTS, 	N_("Type or value exists"));
+	C(LDAP_INVALID_SYNTAX, 			N_("Invalid syntax"));
+
+	C(LDAP_NO_SUCH_OBJECT, 			N_("No such object"));
+	C(LDAP_ALIAS_PROBLEM, 			N_("Alias problem"));
+	C(LDAP_INVALID_DN_SYNTAX,		N_("Invalid DN syntax"));
+
+	C(LDAP_ALIAS_DEREF_PROBLEM,	 	N_("Alias dereferencing problem"));
+
+	C(LDAP_INAPPROPRIATE_AUTH, 		N_("Inappropriate authentication"));
+	C(LDAP_INVALID_CREDENTIALS, 	N_("Invalid credentials"));
+	C(LDAP_INSUFFICIENT_ACCESS, 	N_("Insufficient access"));
+	C(LDAP_BUSY, 					N_("Server is busy"));
+	C(LDAP_UNAVAILABLE, 			N_("Server is unavailable"));
+	C(LDAP_UNWILLING_TO_PERFORM, 	N_("Server is unwilling to perform"));
+	C(LDAP_LOOP_DETECT, 			N_("Loop detected"));
+
+	C(LDAP_NAMING_VIOLATION, 		N_("Naming violation"));
+	C(LDAP_OBJECT_CLASS_VIOLATION, 	N_("Object class violation"));
+	C(LDAP_NOT_ALLOWED_ON_NONLEAF, 	N_("Operation not allowed on non-leaf"));
+	C(LDAP_NOT_ALLOWED_ON_RDN,	 	N_("Operation not allowed on RDN"));
+	C(LDAP_ALREADY_EXISTS, 			N_("Already exists"));
+	C(LDAP_NO_OBJECT_CLASS_MODS, 	N_("Cannot modify object class"));
+
+	C(LDAP_AFFECTS_MULTIPLE_DSAS,	N_("Operation affects multiple DSAs"));
+
+	/* Virtual List View draft */
+	C(LDAP_VLV_ERROR,				N_("Virtual List View error"));
+
+	C(LDAP_OTHER, N_("Other (e.g., implementation specific) error"));
+
+	/* LDAPv2 (RFC 1777) codes */
+	C(LDAP_PARTIAL_RESULTS, N_("Partial results and referral received"));
+	C(LDAP_IS_LEAF, 				N_("Entry is a leaf"));
+
+	/* Connection-less LDAP (CLDAP - RFC 1798) code */
+	C(LDAP_RESULTS_TOO_LARGE,		N_("Results too large"));
+
+	/* Cancel Operation (RFC 3909) codes */
+	C(LDAP_CANCELLED,				N_("Cancelled"));
+	C(LDAP_NO_SUCH_OPERATION,		N_("No Operation to Cancel"));
+	C(LDAP_TOO_LATE,				N_("Too Late to Cancel"));
+	C(LDAP_CANNOT_CANCEL,			N_("Cannot Cancel"));
+
+	/* Assert Control (RFC 4528 and old internet-draft) codes */
+	C(LDAP_ASSERTION_FAILED,		N_("Assertion Failed"));
+	C(LDAP_X_ASSERTION_FAILED,		N_("Assertion Failed (X)"));
+
+	/* Proxied Authorization Control (RFC 4370 and I-D) codes */
+	C(LDAP_PROXIED_AUTHORIZATION_DENIED, N_("Proxied Authorization Denied"));
+	C(LDAP_X_PROXY_AUTHZ_FAILURE,	N_("Proxy Authorization Failure (X)"));
+
+	/* Content Sync Operation (RFC 4533 and I-D) codes */
+	C(LDAP_SYNC_REFRESH_REQUIRED,	N_("Content Sync Refresh Required"));
+	C(LDAP_X_SYNC_REFRESH_REQUIRED,	N_("Content Sync Refresh Required (X)"));
+
+	/* No-Op Control (draft-zeilenga-ldap-noop) code */
+	C(LDAP_X_NO_OPERATION,			N_("No Operation (X)"));
+
+	/* Client Update Protocol (RFC 3928) codes */
+	C(LDAP_CUP_RESOURCES_EXHAUSTED,	N_("LCUP Resources Exhausted"));
+	C(LDAP_CUP_SECURITY_VIOLATION,	N_("LCUP Security Violation"));
+	C(LDAP_CUP_INVALID_DATA,		N_("LCUP Invalid Data"));
+	C(LDAP_CUP_UNSUPPORTED_SCHEME,	N_("LCUP Unsupported Scheme"));
+	C(LDAP_CUP_RELOAD_REQUIRED,		N_("LCUP Reload Required"));
+
+#ifdef LDAP_X_TXN
+	/* Codes related to LDAP Transactions (draft-zeilenga-ldap-txn) */
+	C(LDAP_X_TXN_SPECIFY_OKAY,		N_("TXN specify okay"));
+	C(LDAP_X_TXN_ID_INVALID,		N_("TXN ID is invalid"));
+#endif
+
+	/* API codes - renumbered since draft-ietf-ldapext-ldap-c-api */
+	C(LDAP_SERVER_DOWN,				N_("Can't contact LDAP server"));
+	C(LDAP_LOCAL_ERROR,				N_("Local error"));
+	C(LDAP_ENCODING_ERROR,			N_("Encoding error"));
+	C(LDAP_DECODING_ERROR,			N_("Decoding error"));
+	C(LDAP_TIMEOUT,					N_("Timed out"));
+	C(LDAP_AUTH_UNKNOWN,			N_("Unknown authentication method"));
+	C(LDAP_FILTER_ERROR,			N_("Bad search filter"));
+	C(LDAP_USER_CANCELLED,			N_("User cancelled operation"));
+	C(LDAP_PARAM_ERROR,				N_("Bad parameter to an ldap routine"));
+	C(LDAP_NO_MEMORY,				N_("Out of memory"));
+	C(LDAP_CONNECT_ERROR,			N_("Connect error"));
+	C(LDAP_NOT_SUPPORTED,			N_("Not Supported"));
+	C(LDAP_CONTROL_NOT_FOUND,		N_("Control not found"));
+	C(LDAP_NO_RESULTS_RETURNED,		N_("No results returned"));
+	C(LDAP_MORE_RESULTS_TO_RETURN,	N_("More results to return"));
+	C(LDAP_CLIENT_LOOP,				N_("Client Loop"));
+	C(LDAP_REFERRAL_LIMIT_EXCEEDED,	N_("Referral Limit Exceeded"));
+	C(LDAP_X_CONNECTING,			N_("Connecting (X)"));
+#	undef C
+
+	default:
+		m = (LDAP_API_ERROR(err) ? N_("Unknown API error")
+			 : LDAP_E_ERROR(err) ? N_("Unknown (extension) error")
+			 : LDAP_X_ERROR(err) ? N_("Unknown (private extension) error")
+			 : N_("Unknown error"));
+		break;
+	}
+
+	return _(m);
+}
+
+/* deprecated */
+void
+ldap_perror( LDAP *ld, LDAP_CONST char *str )
+{
+    int i;
+
+	assert( ld != NULL );
+	assert( LDAP_VALID( ld ) );
+	assert( str != NULL );
+
+	fprintf( stderr, "%s: %s (%d)\n",
+		str ? str : "ldap_perror",
+		ldap_err2string( ld->ld_errno ),
+		ld->ld_errno );
+
+	if ( ld->ld_matched != NULL && ld->ld_matched[0] != '\0' ) {
+		fprintf( stderr, _("\tmatched DN: %s\n"), ld->ld_matched );
+	}
+
+	if ( ld->ld_error != NULL && ld->ld_error[0] != '\0' ) {
+		fprintf( stderr, _("\tadditional info: %s\n"), ld->ld_error );
+	}
+
+	if ( ld->ld_referrals != NULL && ld->ld_referrals[0] != NULL) {
+		fprintf( stderr, _("\treferrals:\n") );
+		for (i=0; ld->ld_referrals[i]; i++) {
+			fprintf( stderr, _("\t\t%s\n"), ld->ld_referrals[i] );
+		}
+	}
+
+	fflush( stderr );
+}
+
+/* deprecated */
+int
+ldap_result2error( LDAP *ld, LDAPMessage *r, int freeit )
+{
+	int rc, err;
+
+	rc = ldap_parse_result( ld, r, &err,
+		NULL, NULL, NULL, NULL, freeit );
+
+	return err != LDAP_SUCCESS ? err : rc;
+}
+
+/*
+ * Parse LDAPResult Messages:
+ *
+ *   LDAPResult ::= SEQUENCE {
+ *     resultCode      ENUMERATED,
+ *     matchedDN       LDAPDN,
+ *     errorMessage    LDAPString,
+ *     referral        [3] Referral OPTIONAL }
+ *
+ * including Bind results:
+ *
+ *   BindResponse ::= [APPLICATION 1] SEQUENCE {
+ *     COMPONENTS OF LDAPResult,
+ *     serverSaslCreds  [7] OCTET STRING OPTIONAL }
+ *
+ * and ExtendedOp results:
+ *
+ *   ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
+ *     COMPONENTS OF LDAPResult,
+ *     responseName     [10] LDAPOID OPTIONAL,
+ *     response         [11] OCTET STRING OPTIONAL }
+ *
+ */
+int
+ldap_parse_result(
+	LDAP			*ld,
+	LDAPMessage		*r,
+	int				*errcodep,
+	char			**matcheddnp,
+	char			**errmsgp,
+	char			***referralsp,
+	LDAPControl		***serverctrls,
+	int				freeit )
+{
+	LDAPMessage	*lm;
+	ber_int_t errcode = LDAP_SUCCESS;
+
+	ber_tag_t tag;
+	BerElement	*ber;
+
+	Debug( LDAP_DEBUG_TRACE, "ldap_parse_result\n", 0, 0, 0 );
+
+	assert( ld != NULL );
+	assert( LDAP_VALID( ld ) );
+	assert( r != NULL );
+
+	if(errcodep != NULL) *errcodep = LDAP_SUCCESS;
+	if(matcheddnp != NULL) *matcheddnp = NULL;
+	if(errmsgp != NULL) *errmsgp = NULL;
+	if(referralsp != NULL) *referralsp = NULL;
+	if(serverctrls != NULL) *serverctrls = NULL;
+
+	LDAP_MUTEX_LOCK( &ld->ld_res_mutex );
+	/* Find the result, last msg in chain... */
+	lm = r->lm_chain_tail;
+	/* FIXME: either this is not possible (assert?)
+	 * or it should be handled */
+	if ( lm != NULL ) {
+		switch ( lm->lm_msgtype ) {
+		case LDAP_RES_SEARCH_ENTRY:
+		case LDAP_RES_SEARCH_REFERENCE:
+		case LDAP_RES_INTERMEDIATE:
+			lm = NULL;
+			break;
+
+		default:
+			break;
+		}
+	}
+
+	if( lm == NULL ) {
+		errcode = ld->ld_errno = LDAP_NO_RESULTS_RETURNED;
+		LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
+	    goto done;
+	}
+
+	if ( ld->ld_error ) {
+		LDAP_FREE( ld->ld_error );
+		ld->ld_error = NULL;
+	}
+	if ( ld->ld_matched ) {
+		LDAP_FREE( ld->ld_matched );
+		ld->ld_matched = NULL;
+	}
+	if ( ld->ld_referrals ) {
+		LDAP_VFREE( ld->ld_referrals );
+		ld->ld_referrals = NULL;
+	}
+
+	/* parse results */
+
+	ber = ber_dup( lm->lm_ber );
+
+	if ( ld->ld_version < LDAP_VERSION2 ) {
+		tag = ber_scanf( ber, "{iA}",
+			&ld->ld_errno, &ld->ld_error );
+
+	} else {
+		ber_len_t len;
+
+		tag = ber_scanf( ber, "{iAA" /*}*/,
+			&ld->ld_errno, &ld->ld_matched, &ld->ld_error );
+
+		if( tag != LBER_ERROR ) {
+			/* peek for referrals */
+			if( ber_peek_tag(ber, &len) == LDAP_TAG_REFERRAL ) {
+				tag = ber_scanf( ber, "v", &ld->ld_referrals );
+			}
+		}
+
+		/* need to clean out misc items */
+		if( tag != LBER_ERROR ) {
+			if( lm->lm_msgtype == LDAP_RES_BIND ) {
+				/* look for sasl result creditials */
+				if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SASL_RES_CREDS ) {
+					/* skip 'em */
+					tag = ber_scanf( ber, "x" );
+				}
+
+			} else if( lm->lm_msgtype == LDAP_RES_EXTENDED ) {
+				/* look for exop result oid or value */
+				if ( ber_peek_tag( ber, &len ) == LDAP_TAG_EXOP_RES_OID ) {
+					/* skip 'em */
+					tag = ber_scanf( ber, "x" );
+				}
+
+				if ( tag != LBER_ERROR &&
+					ber_peek_tag( ber, &len ) == LDAP_TAG_EXOP_RES_VALUE )
+				{
+					/* skip 'em */
+					tag = ber_scanf( ber, "x" );
+				}
+			}
+		}
+
+		if( tag != LBER_ERROR ) {
+			int rc = ldap_pvt_get_controls( ber, serverctrls );
+
+			if( rc != LDAP_SUCCESS ) {
+				tag = LBER_ERROR;
+			}
+		}
+
+		if( tag != LBER_ERROR ) {
+			tag = ber_scanf( ber, /*{*/"}" );
+		}
+	}
+
+	if ( tag == LBER_ERROR ) {
+		ld->ld_errno = errcode = LDAP_DECODING_ERROR;
+	}
+
+	if( ber != NULL ) {
+		ber_free( ber, 0 );
+	}
+
+	/* return */
+	if( errcodep != NULL ) {
+		*errcodep = ld->ld_errno;
+	}
+	if ( errcode == LDAP_SUCCESS ) {
+		if( matcheddnp != NULL ) {
+			if ( ld->ld_matched )
+			{
+				*matcheddnp = LDAP_STRDUP( ld->ld_matched );
+			}
+		}
+		if( errmsgp != NULL ) {
+			if ( ld->ld_error )
+			{
+				*errmsgp = LDAP_STRDUP( ld->ld_error );
+			}
+		}
+
+		if( referralsp != NULL) {
+			*referralsp = ldap_value_dup( ld->ld_referrals );
+		}
+	}
+	LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
+
+done:
+	if ( freeit ) {
+		ldap_msgfree( r );
+	}
+
+	return errcode;
+}