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

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