git.sur5r.net Git - openldap/blob - libraries/libldap/error.c

   1 /*
   2  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   3  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   4  */
   5
   6 #include "portable.h"
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11 #include <ac/socket.h>
  12 #include <ac/string.h>
  13 #include <ac/time.h>
  14
  15 #include "ldap-int.h"
  16
  17 struct ldaperror {
  18         int     e_code;
  19         char    *e_reason;
  20 };
  21
  22 static const struct ldaperror ldap_errlist[] = {
  23         {LDAP_SUCCESS,                                  "Success" },
  24         {LDAP_OPERATIONS_ERROR,                 "Operations error" },
  25         {LDAP_PROTOCOL_ERROR,                   "Protocol error" },
  26         {LDAP_TIMELIMIT_EXCEEDED,               "Time limit exceeded" },
  27         {LDAP_SIZELIMIT_EXCEEDED,               "Size limit exceeded" },
  28         {LDAP_COMPARE_FALSE,                    "Compare false" },
  29         {LDAP_COMPARE_TRUE,                     "Compare true" },
  30         {LDAP_STRONG_AUTH_NOT_SUPPORTED, "Strong authentication not supported" },
  31         {LDAP_STRONG_AUTH_REQUIRED,     "Strong authentication required" },
  32         {LDAP_PARTIAL_RESULTS,                  "Partial results and referral received" },
  33
  34         {LDAP_REFERRAL,                                 "Referral"},
  35         {LDAP_ADMINLIMIT_EXCEEDED,              "Administrative limit exceeded"},
  36         {LDAP_UNAVAILABLE_CRITICIAL_EXTENSION,
  37                                                                         "Criticial extension is unavailable"},
  38         {LDAP_CONFIDENTIALITY_REQUIRED, "Confidentiality required"},
  39         {LDAP_SASL_BIND_IN_PROGRESS,    "SASL bind in progress"},
  40
  41         {LDAP_NO_SUCH_ATTRIBUTE,                "No such attribute" },
  42         {LDAP_UNDEFINED_TYPE,                   "Undefined attribute type" },
  43         {LDAP_INAPPROPRIATE_MATCHING,   "Inappropriate matching" },
  44         {LDAP_CONSTRAINT_VIOLATION,     "Constraint violation" },
  45         {LDAP_TYPE_OR_VALUE_EXISTS,     "Type or value exists" },
  46         {LDAP_INVALID_SYNTAX,                   "Invalid syntax" },
  47
  48         {LDAP_NO_SUCH_OBJECT,                   "No such object" },
  49         {LDAP_ALIAS_PROBLEM,                    "Alias problem" },
  50         {LDAP_INVALID_DN_SYNTAX,                "Invalid DN syntax" },
  51         {LDAP_IS_LEAF,                                  "Object is a leaf" },
  52         {LDAP_ALIAS_DEREF_PROBLEM,              "Alias dereferencing problem" },
  53
  54         {LDAP_INAPPROPRIATE_AUTH,               "Inappropriate authentication" },
  55         {LDAP_INVALID_CREDENTIALS,              "Invalid credentials" },
  56         {LDAP_INSUFFICIENT_ACCESS,              "Insufficient access" },
  57         {LDAP_BUSY,                                     "DSA is busy" },
  58         {LDAP_UNAVAILABLE,                              "DSA is unavailable" },
  59         {LDAP_UNWILLING_TO_PERFORM,     "DSA is unwilling to perform" },
  60         {LDAP_LOOP_DETECT,                              "Loop detected" },
  61
  62         {LDAP_NAMING_VIOLATION,                 "Naming violation" },
  63         {LDAP_OBJECT_CLASS_VIOLATION,   "Object class violation" },
  64         {LDAP_NOT_ALLOWED_ON_NONLEAF,   "Operation not allowed on nonleaf" },
  65         {LDAP_NOT_ALLOWED_ON_RDN,               "Operation not allowed on RDN" },
  66         {LDAP_ALREADY_EXISTS,                   "Already exists" },
  67         {LDAP_NO_OBJECT_CLASS_MODS,     "Cannot modify object class" },
  68         {LDAP_RESULTS_TOO_LARGE,                "Results too large" },
  69         {LDAP_AFFECTS_MULTIPLE_DSAS,    "Operation affects multiple DSAs" },
  70
  71         {LDAP_OTHER,                                    "Unknown error" },
  72         {LDAP_SERVER_DOWN,                              "Can't contact LDAP server" },
  73         {LDAP_LOCAL_ERROR,                              "Local error" },
  74         {LDAP_ENCODING_ERROR,                   "Encoding error" },
  75         {LDAP_DECODING_ERROR,                   "Decoding error" },
  76         {LDAP_TIMEOUT,                                  "Timed out" },
  77         {LDAP_AUTH_UNKNOWN,                             "Unknown authentication method" },
  78         {LDAP_FILTER_ERROR,                             "Bad search filter" },
  79         {LDAP_USER_CANCELLED,                   "User cancelled operation" },
  80         {LDAP_PARAM_ERROR,                              "Bad parameter to an ldap routine" },
  81         {LDAP_NO_MEMORY,                                "Out of memory" },
  82
  83         {LDAP_CONNECT_ERROR,                    "Connect error" },
  84         {LDAP_NOT_SUPPORTED,                    "Not Supported" },
  85         {LDAP_CONTROL_NOT_FOUND,                "Control not found" },
  86         {LDAP_NO_RESULTS_RETURNED,              "No results returned" },
  87         {LDAP_MORE_RESULTS_TO_RETURN,   "More results to return" },
  88         {LDAP_CLIENT_LOOP,                              "Client Loop" },
  89         {LDAP_REFERRAL_LIMIT_EXCEEDED,  "Referral Limit Exceeded" },
  90
  91         {-1, 0 }
  92 };
  93
  94 static struct ldaperror *ldap_int_error( int err )
  95 {
  96         int     i;
  97
  98         for ( i = 0; ldap_errlist[i].e_code != -1; i++ ) {
  99                 if ( err == ldap_errlist[i].e_code )
 100                         return (struct ldaperror *) &ldap_errlist[i];
 101         }
 102
 103         return NULL;
 104 }
 105
 106 char *
 107 ldap_err2string( int err )
 108 {
 109         struct ldaperror *e;
 110
 111         Debug( LDAP_DEBUG_TRACE, "ldap_err2string\n", 0, 0, 0 );
 112
 113         e = ldap_int_error( err );
 114
 115         return ( e != NULL ) ? e->e_reason : "Unknown error";
 116 }
 117
 118 /* deprecated */
 119 void
 120 ldap_perror( LDAP *ld, LDAP_CONST char *str )
 121 {
 122         char *s;
 123         struct ldaperror *e;
 124         Debug( LDAP_DEBUG_TRACE, "ldap_perror\n", 0, 0, 0 );
 125
 126         assert( ld != NULL );
 127         assert( LDAP_VALID( ld ) );
 128         assert( s );
 129
 130         s = ( str != NULL ) ? (char *) str : "ldap_perror";
 131
 132         if ( ld == NULL ) {
 133                 perror( s );
 134                 return;
 135         }
 136
 137         e = ldap_int_error( ld->ld_errno );
 138
 139         if ( e != NULL ) {
 140                 fprintf( stderr, "%s: %s\n",
 141                         s, e->e_reason );
 142         } else {
 143                 fprintf( stderr, "%s: unknown LDAP error number %d\n",
 144                         s, ld->ld_errno );
 145         }
 146
 147         if ( ld->ld_matched != NULL ) {
 148                 fprintf( stderr, "\tmatched: \"%s\"\n",
 149                         ld->ld_matched );
 150         }
 151
 152         if ( ld->ld_error != NULL ) {
 153                 fprintf( stderr, "\tadditional info: %s\n",
 154                     ld->ld_error );
 155         }
 156
 157         fflush( stderr );
 158 }
 159
 160 int
 161 ldap_result2error( LDAP *ld, LDAPMessage *r, int freeit )
 162 {
 163         LDAPMessage     *lm;
 164         BerElement      ber;
 165         long            along;
 166         unsigned long   rc;
 167
 168         Debug( LDAP_DEBUG_TRACE, "ldap_result2error\n", 0, 0, 0 );
 169
 170         assert( ld != NULL );
 171         assert( LDAP_VALID( ld ) );
 172         assert( r != NULL );
 173
 174         if ( ld == NULL || r == NULLMSG )
 175                 return( LDAP_PARAM_ERROR );
 176
 177         for ( lm = r; lm->lm_chain != NULL; lm = lm->lm_chain )
 178                 ;       /* NULL */
 179
 180         if ( ld->ld_error ) {
 181                 LDAP_FREE( ld->ld_error );
 182                 ld->ld_error = NULL;
 183         }
 184         if ( ld->ld_matched ) {
 185                 LDAP_FREE( ld->ld_matched );
 186                 ld->ld_matched = NULL;
 187         }
 188
 189         ber = *(lm->lm_ber);
 190
 191         if ( ld->ld_version < LDAP_VERSION2 ) {
 192                 rc = ber_scanf( &ber, "{ia}", &along, &ld->ld_error );
 193         } else {
 194                 rc = ber_scanf( &ber, "{iaa}", &along, &ld->ld_matched,
 195                     &ld->ld_error );
 196         }
 197
 198         if ( rc == LBER_ERROR ) {
 199                 ld->ld_errno = LDAP_DECODING_ERROR;
 200         } else {
 201                 ld->ld_errno = (int) along;
 202         }
 203
 204         if ( freeit )
 205                 ldap_msgfree( r );
 206
 207         return( ld->ld_errno );
 208 }