/* $NetBSD: error.c,v 1.1.1.6.6.1 2019/08/10 06:17:14 martin Exp $ */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2019 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 * . */ #include __RCSID("$NetBSD: error.c,v 1.1.1.6.6.1 2019/08/10 06:17:14 martin Exp $"); #include "portable.h" #include #include #include #include #include #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; }