/* $OpenLDAP$ */ /* * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ #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" struct ldaperror { int e_code; char *e_reason; }; static const struct ldaperror ldap_errlist[] = { {LDAP_SUCCESS, "Success" }, {LDAP_OPERATIONS_ERROR, "Operations error" }, {LDAP_PROTOCOL_ERROR, "Protocol error" }, {LDAP_TIMELIMIT_EXCEEDED, "Time limit exceeded" }, {LDAP_SIZELIMIT_EXCEEDED, "Size limit exceeded" }, {LDAP_COMPARE_FALSE, "Compare false" }, {LDAP_COMPARE_TRUE, "Compare true" }, {LDAP_STRONG_AUTH_NOT_SUPPORTED, "Authentication method not supported" }, {LDAP_STRONG_AUTH_REQUIRED, "Strong authentication required" }, {LDAP_PARTIAL_RESULTS, "Partial results and referral received" }, {LDAP_REFERRAL, "Referral"}, {LDAP_ADMINLIMIT_EXCEEDED, "Administrative limit exceeded"}, {LDAP_UNAVAILABLE_CRITICAL_EXTENSION, "Criticial extension is unavailable"}, {LDAP_CONFIDENTIALITY_REQUIRED, "Confidentiality required"}, {LDAP_SASL_BIND_IN_PROGRESS, "SASL bind in progress"}, {LDAP_NO_SUCH_ATTRIBUTE, "No such attribute" }, {LDAP_UNDEFINED_TYPE, "Undefined attribute type" }, {LDAP_INAPPROPRIATE_MATCHING, "Inappropriate matching" }, {LDAP_CONSTRAINT_VIOLATION, "Constraint violation" }, {LDAP_TYPE_OR_VALUE_EXISTS, "Type or value exists" }, {LDAP_INVALID_SYNTAX, "Invalid syntax" }, {LDAP_NO_SUCH_OBJECT, "No such object" }, {LDAP_ALIAS_PROBLEM, "Alias problem" }, {LDAP_INVALID_DN_SYNTAX, "Invalid DN syntax" }, {LDAP_IS_LEAF, "Object is a leaf" }, {LDAP_ALIAS_DEREF_PROBLEM, "Alias dereferencing problem" }, {LDAP_INAPPROPRIATE_AUTH, "Inappropriate authentication" }, {LDAP_INVALID_CREDENTIALS, "Invalid credentials" }, {LDAP_INSUFFICIENT_ACCESS, "Insufficient access" }, {LDAP_BUSY, "DSA is busy" }, {LDAP_UNAVAILABLE, "DSA is unavailable" }, {LDAP_UNWILLING_TO_PERFORM, "DSA is unwilling to perform" }, {LDAP_LOOP_DETECT, "Loop detected" }, {LDAP_NAMING_VIOLATION, "Naming violation" }, {LDAP_OBJECT_CLASS_VIOLATION, "Object class violation" }, {LDAP_NOT_ALLOWED_ON_NONLEAF, "Operation not allowed on nonleaf" }, {LDAP_NOT_ALLOWED_ON_RDN, "Operation not allowed on RDN" }, {LDAP_ALREADY_EXISTS, "Already exists" }, {LDAP_NO_OBJECT_CLASS_MODS, "Cannot modify object class" }, {LDAP_RESULTS_TOO_LARGE, "Results too large" }, {LDAP_AFFECTS_MULTIPLE_DSAS, "Operation affects multiple DSAs" }, {LDAP_OTHER, "Unknown error" }, {LDAP_SERVER_DOWN, "Can't contact LDAP server" }, {LDAP_LOCAL_ERROR, "Local error" }, {LDAP_ENCODING_ERROR, "Encoding error" }, {LDAP_DECODING_ERROR, "Decoding error" }, {LDAP_TIMEOUT, "Timed out" }, {LDAP_AUTH_UNKNOWN, "Unknown authentication method" }, {LDAP_FILTER_ERROR, "Bad search filter" }, {LDAP_USER_CANCELLED, "User cancelled operation" }, {LDAP_PARAM_ERROR, "Bad parameter to an ldap routine" }, {LDAP_NO_MEMORY, "Out of memory" }, {LDAP_CONNECT_ERROR, "Connect error" }, {LDAP_NOT_SUPPORTED, "Not Supported" }, {LDAP_CONTROL_NOT_FOUND, "Control not found" }, {LDAP_NO_RESULTS_RETURNED, "No results returned" }, {LDAP_MORE_RESULTS_TO_RETURN, "More results to return" }, {LDAP_CLIENT_LOOP, "Client Loop" }, {LDAP_REFERRAL_LIMIT_EXCEEDED, "Referral Limit Exceeded" }, {-1, 0 } }; static const struct ldaperror * ldap_int_error( int err ) { int i; for ( i = 0; ldap_errlist[i].e_code != -1; i++ ) { if ( err == ldap_errlist[i].e_code ) return &ldap_errlist[i]; } return NULL; } char * ldap_err2string( int err ) { const struct ldaperror *e; Debug( LDAP_DEBUG_TRACE, "ldap_err2string\n", 0, 0, 0 ); e = ldap_int_error( err ); return ( e != NULL ) ? e->e_reason : "Unknown error"; } /* deprecated */ void ldap_perror( LDAP *ld, LDAP_CONST char *str ) { const char *s; const struct ldaperror *e; Debug( LDAP_DEBUG_TRACE, "ldap_perror\n", 0, 0, 0 ); assert( ld != NULL ); assert( LDAP_VALID( ld ) ); assert( str ); s = ( str != NULL ) ? str : "ldap_perror"; if ( ld == NULL ) { perror( s ); return; } e = ldap_int_error( ld->ld_errno ); if ( e != NULL ) { fprintf( stderr, "%s: %s\n", s, e->e_reason ); } else { fprintf( stderr, "%s: unknown LDAP error number %d\n", s, ld->ld_errno ); } if ( ld->ld_matched != NULL && ld->ld_matched[0] != '\0' ) { fprintf( stderr, "\tmatched: \"%s\"\n", ld->ld_matched ); } if ( ld->ld_error != NULL && ld->ld_error[0] != '\0' ) { fprintf( stderr, "\tadditional info: %s\n", ld->ld_error ); } 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; int rc; 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 ( ld == NULL || r == NULL ) { return LDAP_PARAM_ERROR; } 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; /* Find the next result... */ for ( lm = r; lm->lm_chain != NULL; lm = lm->lm_chain ) { /* skip over entries and references */ if( lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY && lm->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) { break; } } if( lm == NULL ) { ld->ld_errno = LDAP_NO_RESULTS_RETURNED; return ld->ld_errno; } 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; } /* 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 ) { if( referralsp != NULL ) { tag = ber_scanf( ber, "v", referralsp ); } else { /* no place to put them so skip 'em */ tag = ber_scanf( ber, "x" ); } } } /* 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 ) { rc = ldap_int_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 ) { *matcheddnp = LDAP_STRDUP( ld->ld_matched ); } if( errmsgp != NULL ) { *errmsgp = LDAP_STRDUP( ld->ld_error ); } /* Find the next result... */ for ( lm = lm->lm_chain; lm != NULL; lm = lm->lm_chain ) { /* skip over entries and references */ if( lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY && lm->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) { /* more results to return */ errcode = LDAP_MORE_RESULTS_TO_RETURN; break; } } } if ( freeit ) { ldap_msgfree( r ); } return( errcode ); }