modules/wh/wh_queries.c
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FUNCTIONS
This source file includes following functions.
- WH_sock
/***************************************
$Revision: 1.5 $
Whois query (wh) - connects to a whois server and returns result
Status: NOT REVIEWED, TESTED
Design and implementation by: Marek Bukowy
Note: still not final. Probably SK calls should be moved to the
calling routine
******************/ /******************
Copyright (c) 1999 RIPE NCC
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of the author not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
***************************************/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <erroutines.h>
#include "socket.h"
int
WH_sock(int sock, char *hostname, int port,
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char *query, int maxlines, int timeout)
{
FILE *sfi;
FILE *sfo;
struct sockaddr_in sin;
struct hostent *hp;
int ch;
int s;
#if 0
char log_str[256];
sprintf(log_str, "would perform query >%s< to %s:%d \n"
"limits: line %d tmout %d and print on socket %d\n",
query,hostname,port, maxlines,timeout,sock );
log_inst_print(log_str);
#endif
if ( (hp = gethostbyname(hostname)) == NULL) {
return WH_BADHOST;
}
s = socket(AF_INET, SOCK_STREAM, 0);
if (s < 0) {
return WH_SOCKET;
}
bzero((caddr_t)&sin, sizeof (sin));
sin.sin_family = hp->h_addrtype;
if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
close(s);
return WH_BIND;
}
bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length);
sin.sin_port=htons(port);
if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
close(s);
return WH_CONNECT;
}
/* SK_puts(sock, "% Connection established...\n"); */
#if 0
sfi = fdopen(s, "r");
sfo = fdopen(s, "w");
if (sfi == NULL || sfo == NULL) {
(void)close(s);
return WH_OPEN;
}
fprintf(sfo, "%s\r\n", query);
fflush(sfo);
while ((ch = getc(sfi)) != EOF) {
SK_putc(sock,ch);
}
fclose(sfo);
fclose(sfi);
#else
SK_puts(s, query);
SK_puts(s, "\r\n");
while( (ch = SK_getc(s)) != EOF ) {
SK_putc(sock,ch);
}
#endif
close(s);
}