## modules/wh/wh_queries.c

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## FUNCTIONS

This source file includes following functions.

1. WH_cd_sock

       1 /***************************************
       2   $Revision: 1.14 $
       3
       4   Whois query (wh) - connects to a whois server and returns result
       5
       6   Status: NOT REVIEWED, TESTED
       7
       8   Design and implementation by: Marek Bukowy
       9
      10   Note:  still not final. Probably SK calls should be moved to the
      11          calling routine
      12
      13   ******************/ /******************
      14   Copyright (c) 1999,2000,2001,2002               RIPE NCC
      15
      16   All Rights Reserved
      17
      18   Permission to use, copy, modify, and distribute this software and its
      19   documentation for any purpose and without fee is hereby granted,
      20   provided that the above copyright notice appear in all copies and that
      21   both that copyright notice and this permission notice appear in
      22   supporting documentation, and that the name of the author not be
      23   used in advertising or publicity pertaining to distribution of the
      24   software without specific, written prior permission.
      25
      26   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
      27   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
      28   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
      29   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
      30   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      31   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
      32   ***************************************/
      33
      34 #include "rip.h"
      35
      36 #include <sys/types.h>
      37 #include <sys/socket.h>
      38 #include <netinet/in.h>
      39 #include <netdb.h>
      40 #include <stdio.h>
      41
      42
      43 /*+ as above - but with connection structures, timeouts, maxlines, etc.
      44   +*/
      45 er_ret_t
      46 WH_cd_sock(sk_conn_st *out_cd, char *hostname, unsigned port,
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      47         char *query, unsigned maxlines, unsigned timeout)
      48 {
      49   int s;
      50   int lines = 0;
      51   er_ret_t err;
      52
      53   if( (err = SK_connect(&s, hostname, port, timeout)) == SK_OK )
      54   {
      55 #define MAX_LINE_SIZE 1024
      56
      57     char reply[MAX_LINE_SIZE];
      58     sk_conn_st peer_cd;
      59
      60     SK_cd_make( &peer_cd, s, timeout );
      61
      62     SK_cd_puts( &peer_cd, query);
      63     SK_cd_puts( &peer_cd, "\r\n");
      64
      65     do {
      66       SK_cd_gets(&peer_cd, reply, MAX_LINE_SIZE);
      67       SK_cd_puts(out_cd, reply);
      68     }
      69     while( ++lines <= maxlines && peer_cd.rtc == 0 );
      70
      71
      72     switch(peer_cd.rtc) {
      73     case 0:
      74     case SK_DISCONNECT:
      75       /* OK */
      76       break;
      77     case SK_TIMEOUT:
      78       err = SK_TIMEOUT;
      79       break;
      80     default:
      81       die; /* it should not happen - change here when allowing this */
      82     }
      83
      84     if( lines >= maxlines ) {
      85       err = WH_MAXLINES;
      86     }
      87
      88
      89     SK_cd_close(&peer_cd);
      90     SK_cd_free (&peer_cd);
      91   } /* if OK */
      92
      93   return err;
      94 }
      95

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