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Re: List of error messages

Here is a function that gives errors based on return codes... and here is a link to the ldap_error() man page: http://www.openldap.org/software/man.cgi?query=ldap_error&sektion=3&apropos=0&manpath=OpenLDAP+2.2-Release

/* Search LDAP/AD for User data */
static int _ldap_search()
{
   LDAP            *ld, *x;
   LDAPMessage     *res, *e, *result;
   int             i, z, rc;
   char            *a, *dn, msgid;
   void            *ptr;
   char            *attrs[5];
   char            buffer[80];
   char            *host;
   char            *base;
   int             port;
   const char      *user;
   const char      *pass;
   BerElement      **berptr;
   BerElement      * ber;

   udataptr myUser = &localUser;
   myConfigPtr myConfig = &localConfig;
   berptr = &ber;

   attrs[ 0 ] = "cn";
   attrs[ 1 ] = "uidNumber";
   attrs[ 2 ] = "gidNumber";
   attrs[ 3 ] = "loginShell";
   attrs[ 4 ] = "msSFUHomeDirectory";

   if( myConfig->ldap_servers != NULL ) {
   host = myConfig->ldap_servers;
   }

if( myConfig->ldap_port != NULL ) {
port = atoi( myConfig->ldap_port );
}
if( myConfig->ldap_user != NULL ) {
user = myConfig->ldap_user;
}

   if( myConfig->ldap_pass != NULL ) {
   pass = myConfig->ldap_pass;
   }

   if( myConfig->ldap_base_dn != NULL ) {
   base = myConfig->ldap_base_dn;
   }

   if( ( ld = ldap_init( host, port ) ) == NULL ) {
   CRIT( "Initialization Failed: %s", host );
   return 0;
   }

   rc = ldap_simple_bind_s( ld, user, pass );

   switch( rc ) {
       case LDAP_SUCCESS:

           sprintf( buffer, "(cn=%s)", myUser->usrname );
           DEBUG( "Searching for: %s", buffer );

           if ( ldap_search_s( ld, base, LDAP_SCOPE_SUBTREE,
                               buffer, NULL, 0, &res ) != LDAP_SUCCESS ) {
               CRIT( "No results for %s", buffer );
               return 0;
           }

       if( ldap_first_entry( ld, res ) == NULL ) {
       CRIT( "%s not found in LDAP/AD aborting authentication", buffer );
       }

for( e = ldap_first_entry( ld, res ); e != NULL; e = ldap_next_entry( ld, e )) {
if(( vals = ldap_get_values( ld, e, "cn" )) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
strcpy( myConfig->unid, vals[i] );
}
}
if(( vals = ldap_get_values( ld, e, "uidNumber" )) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
strcpy( myConfig->def_uid, vals[i] );
}
}
if(( vals = ldap_get_values( ld, e, "gidNumber" )) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
strcpy( myConfig->def_gid, vals[i] );
}
}
if(( vals = ldap_get_values( ld, e, "loginShell" )) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
if( myConfig->def_shell == NULL ) {
strcpy( myConfig->def_shell, vals[i] );
}
}
}
if(( vals = ldap_get_values( ld, e, "msSFUHomeDirectory" )) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
if( myConfig->def_home == NULL ) {
strcpy( myConfig->def_home, vals[i] );
}
}
}
}

       ldap_msgfree( res );
           ldap_unbind( ld );
           return;

       case LDAP_SERVER_DOWN:
           CRIT( "Server Down: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_PROTOCOL_ERROR:
           CRIT( "Protocol Error: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_OPERATIONS_ERROR:
           CRIT( "Operations Error: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_TIMELIMIT_EXCEEDED:
           CRIT( "TimeLimit Exceeded: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_SIZELIMIT_EXCEEDED:
           CRIT( "SizeLimit Exceeded: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_INVALID_SYNTAX:
           CRIT( "Invalid Syntax: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_INVALID_DN_SYNTAX:
           CRIT( "Invalid DN Syntax: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_INAPPROPRIATE_AUTH:
           CRIT( "Inappropriate Auth: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_INVALID_CREDENTIALS:
           CRIT( "Invalid Credentials: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_UNAVAILABLE:
           CRIT( "LDAP Unavailable: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_BUSY:
           CRIT( "LDAP Busy: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_OTHER:
           CRIT( "Other Unspecified Error: %s", myConfig->ldap_servers );
           return 0;

case LDAP_LOCAL_ERROR:
CRIT( "Failed Dynamic Memory Allocation: %s", myConfig->ldap_servers );
return 0;

       case LDAP_ENCODING_ERROR:
           CRIT( "Encoding Error: %s", myConfig->ldap_servers );
           return 0;

       case LDAP_TIMEOUT:
           CRIT( "Timeout on Results: %s", myConfig->ldap_servers );
           return 0;

case LDAP_AUTH_UNKNOWN:
CRIT( "Authentication method for ldap_bind() unknown: %s", myConfig->ldap_servers );
return 0;

       case LDAP_NO_MEMORY:
           CRIT( "Memory Error: %s", myConfig->ldap_servers );
           return 0;

       default:
           CRIT( "Error reported: %s\n", myConfig->ldap_servers );
           return 0;
   }

   return 0;
}


Run Out wrote:

So how do you explain that the string "Can't connect to the LDAP server" appears in libldap30.so?


From: "Kurt D. Zeilenga" <Kurt@OpenLDAP.org>
To: "test test" <runoutoftime@hotmail.com>
CC: OpenLDAP-software@OpenLDAP.org
Subject: Re: List of error messages
Date: Thu, 04 Nov 2004 10:13:29 -0800

At 05:22 AM 11/3/2004, test test wrote:
>Does anyone have a list of error messages that libldap30.so may return?
>91 Can't connect to the LDAP server

That's likely not OpenLDAP Software.
For OpenLDAP's libldap, one can look in libraries/libldap/error.c.

Kurt


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