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

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4
   5 #if defined( DOS ) || defined( _WIN32 )
   6 #include <malloc.h>
   7 #include "msdos.h"
   8 #else /* DOS */
   9 #include <sys/types.h>
  10 #include <sys/socket.h>
  11 #endif /* DOS */
  12
  13 #include "lber.h"
  14 #include "ldap.h"
  15
  16 struct ldaperror {
  17         int     e_code;
  18         char    *e_reason;
  19 };
  20
  21 static struct ldaperror ldap_errlist[] = {
  22         {LDAP_SUCCESS,                                  "Success" },
  23         {LDAP_OPERATIONS_ERROR,                 "Operations error" },
  24         {LDAP_PROTOCOL_ERROR,                   "Protocol error" },
  25         {LDAP_TIMELIMIT_EXCEEDED,               "Timelimit exceeded" },
  26         {LDAP_SIZELIMIT_EXCEEDED,               "Sizelimit exceeded" },
  27         {LDAP_COMPARE_FALSE,                    "Compare false" },
  28         {LDAP_COMPARE_TRUE,                     "Compare true" },
  29         {LDAP_STRONG_AUTH_NOT_SUPPORTED, "Strong authentication not supported" },
  30         {LDAP_STRONG_AUTH_REQUIRED,     "Strong authentication required" },
  31         {LDAP_PARTIAL_RESULTS,                  "Partial results and referral received" },
  32         {LDAP_NO_SUCH_ATTRIBUTE,                "No such attribute" },
  33         {LDAP_UNDEFINED_TYPE,                   "Undefined attribute type" },
  34         {LDAP_INAPPROPRIATE_MATCHING,   "Inappropriate matching" },
  35         {LDAP_CONSTRAINT_VIOLATION,     "Constraint violation" },
  36         {LDAP_TYPE_OR_VALUE_EXISTS,     "Type or value exists" },
  37         {LDAP_INVALID_SYNTAX,                   "Invalid syntax" },
  38         {LDAP_NO_SUCH_OBJECT,                   "No such object" },
  39         {LDAP_ALIAS_PROBLEM,                    "Alias problem" },
  40         {LDAP_INVALID_DN_SYNTAX,                "Invalid DN syntax" },
  41         {LDAP_IS_LEAF,                                  "Object is a leaf" },
  42         {LDAP_ALIAS_DEREF_PROBLEM,              "Alias dereferencing problem" },
  43         {LDAP_INAPPROPRIATE_AUTH,               "Inappropriate authentication" },
  44         {LDAP_INVALID_CREDENTIALS,              "Invalid credentials" },
  45         {LDAP_INSUFFICIENT_ACCESS,              "Insufficient access" },
  46         {LDAP_BUSY,                                     "DSA is busy" },
  47         {LDAP_UNAVAILABLE,                              "DSA is unavailable" },
  48         {LDAP_UNWILLING_TO_PERFORM,     "DSA is unwilling to perform" },
  49         {LDAP_LOOP_DETECT,                              "Loop detected" },
  50         {LDAP_NAMING_VIOLATION,                 "Naming violation" },
  51         {LDAP_OBJECT_CLASS_VIOLATION,   "Object class violation" },
  52         {LDAP_NOT_ALLOWED_ON_NONLEAF,   "Operation not allowed on nonleaf" },
  53         {LDAP_NOT_ALLOWED_ON_RDN,               "Operation not allowed on RDN" },
  54         {LDAP_ALREADY_EXISTS,                   "Already exists" },
  55         {LDAP_NO_OBJECT_CLASS_MODS,     "Cannot modify object class" },
  56         {LDAP_RESULTS_TOO_LARGE,                "Results too large" },
  57         {LDAP_OTHER,                                    "Unknown error" },
  58         {LDAP_SERVER_DOWN,                              "Can't contact LDAP server" },
  59         {LDAP_LOCAL_ERROR,                              "Local error" },
  60         {LDAP_ENCODING_ERROR,                   "Encoding error" },
  61         {LDAP_DECODING_ERROR,                   "Decoding error" },
  62         {LDAP_TIMEOUT,                                  "Timed out" },
  63         {LDAP_AUTH_UNKNOWN,                             "Unknown authentication method" },
  64         {LDAP_FILTER_ERROR,                             "Bad search filter" },
  65         {LDAP_USER_CANCELLED,                   "User cancelled operation" },
  66         {LDAP_PARAM_ERROR,                              "Bad parameter to an ldap routine" },
  67         {LDAP_NO_MEMORY,                                "Out of memory" },
  68         {-1, 0 }
  69 };
  70
  71 char *
  72 ldap_err2string( int err )
  73 {
  74         int     i;
  75
  76         Debug( LDAP_DEBUG_TRACE, "ldap_err2string\n", 0, 0, 0 );
  77
  78         for ( i = 0; ldap_errlist[i].e_code != -1; i++ ) {
  79                 if ( err == ldap_errlist[i].e_code )
  80                         return( ldap_errlist[i].e_reason );
  81         }
  82
  83         return( "Unknown error" );
  84 }
  85
  86 #ifndef NO_USERINTERFACE
  87 void
  88 ldap_perror( LDAP *ld, char *s )
  89 {
  90         int     i;
  91
  92         Debug( LDAP_DEBUG_TRACE, "ldap_perror\n", 0, 0, 0 );
  93
  94         if ( ld == NULL ) {
  95                 perror( s );
  96                 return;
  97         }
  98
  99         for ( i = 0; ldap_errlist[i].e_code != -1; i++ ) {
 100                 if ( ld->ld_errno == ldap_errlist[i].e_code ) {
 101                         fprintf( stderr, "%s: %s\n", s,
 102                             ldap_errlist[i].e_reason );
 103                         if ( ld->ld_matched != NULL && *ld->ld_matched != '\0' )
 104                                 fprintf( stderr, "%s: matched: %s\n", s,
 105                                     ld->ld_matched );
 106                         if ( ld->ld_error != NULL && *ld->ld_error != '\0' )
 107                                 fprintf( stderr, "%s: additional info: %s\n",
 108                                     s, ld->ld_error );
 109                         fflush( stderr );
 110                         return;
 111                 }
 112         }
 113
 114         fprintf( stderr, "%s: Not an LDAP errno %d\n", s, ld->ld_errno );
 115         fflush( stderr );
 116 }
 117
 118 #else
 119
 120 void
 121 ldap_perror( LDAP *ld, char *s )
 122 {
 123 }
 124
 125 #endif /* NO_USERINTERFACE */
 126
 127
 128 int
 129 ldap_result2error( LDAP *ld, LDAPMessage *r, int freeit )
 130 {
 131         LDAPMessage     *lm;
 132         BerElement      ber;
 133         long            along;
 134         int             rc;
 135
 136         Debug( LDAP_DEBUG_TRACE, "ldap_result2error\n", 0, 0, 0 );
 137
 138         if ( r == NULLMSG )
 139                 return( LDAP_PARAM_ERROR );
 140
 141         for ( lm = r; lm->lm_chain != NULL; lm = lm->lm_chain )
 142                 ;       /* NULL */
 143
 144         if ( ld->ld_error ) {
 145                 free( ld->ld_error );
 146                 ld->ld_error = NULL;
 147         }
 148         if ( ld->ld_matched ) {
 149                 free( ld->ld_matched );
 150                 ld->ld_matched = NULL;
 151         }
 152
 153         ber = *(lm->lm_ber);
 154         if ( ld->ld_version == LDAP_VERSION2 ) {
 155                 rc = ber_scanf( &ber, "{iaa}", &along, &ld->ld_matched,
 156                     &ld->ld_error );
 157         } else {
 158                 rc = ber_scanf( &ber, "{ia}", &along, &ld->ld_error );
 159         }
 160         if ( rc == LBER_ERROR ) {
 161                 ld->ld_errno = LDAP_DECODING_ERROR;
 162         } else {
 163                 ld->ld_errno = (int) along;
 164         }
 165
 166         if ( freeit )
 167                 ldap_msgfree( r );
 168
 169         return( ld->ld_errno );
 170 }