pike.git/ lib/ modules/ Protocols.pmod/ DNS.pmod

1999-12-22

1999-12-22 21:23:11 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 383392bc2436b65e3e0cbf808547f21f835d3121 (28 lines) (+28/-0) ^{[ Show | Annotate ]}
  Branch: 7.9

Added client->get_mx().

Rev: lib/modules/Protocols.pmod/DNS.pmod:1.37

44:    int cl,    int type)    { +  if ( dname[-1] == '.') dname = dname[..sizeof(dname)-2];    return sprintf("%2c%c%c%2c%2c%2c%2c%s\000%2c%2c",    id,    1,0,
525:    }    return ret;    } +  +  string *get_mx(string host) +  { +  mapping m; +  if(sizeof(domains) && host[-1] != '.' && sizeof(host/".") < 3) { +  m = do_sync_query(mkquery(host, C_IN, T_MX)); +  if(!m || !m->an || !sizeof(m->an)) { +  foreach(domains, string domain) +  { +  m = do_sync_query(mkquery(host+"."+domain, C_IN, T_MX)); +  if(m && m->an && sizeof(m->an)) +  break;    } -  +  } +  } else { +  m = do_sync_query(mkquery(host, C_IN, T_MX)); +  } +  if (!m) { +  return 0; +  } +  array a = m->an; +  array(string) b = column( a, "mx"); +  sort( column( a, "preference"), b);    -  +  return b; +  } + } +    #define REMOVE_DELAY 120   #define GIVE_UP_DELAY (RETRIES * RETRY_DELAY + REMOVE_DELAY)*2