mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-28 05:55:27 +01:00
80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
/*
|
|
** OLDBIND.COMPAT.C
|
|
**
|
|
** Very old systems do not have res_query(), res_querydomain() or
|
|
** res_search(), so emulate them here.
|
|
**
|
|
** You really ought to be upgrading to a newer version of BIND
|
|
** (4.8.2 or later) rather than be using this.
|
|
**
|
|
** J.R. Oldroyd <jr@inset.com>
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/nameser.h>
|
|
#include <resolv.h>
|
|
|
|
typedef union
|
|
{
|
|
HEADER qb1;
|
|
char qb2[PACKETSZ];
|
|
} querybuf;
|
|
|
|
res_query(dname, class, type, data, datalen)
|
|
char * dname;
|
|
int class;
|
|
int type;
|
|
char * data;
|
|
int datalen;
|
|
{
|
|
int n;
|
|
querybuf buf;
|
|
|
|
n = res_mkquery(QUERY, dname, class, type, (char *) NULL, 0,
|
|
NULL, (char *) &buf, sizeof buf);
|
|
n = res_send((char *)&buf, n, data, datalen);
|
|
|
|
return n;
|
|
}
|
|
|
|
res_querydomain(host, dname, class, type, data, datalen)
|
|
char * host;
|
|
char * dname;
|
|
int class;
|
|
int type;
|
|
char * data;
|
|
int datalen;
|
|
{
|
|
int n;
|
|
querybuf buf;
|
|
char dbuf[256];
|
|
|
|
strcpy(dbuf, host);
|
|
if (dbuf[strlen(dbuf)-1] != '.')
|
|
strcat(dbuf, ".");
|
|
strcat(dbuf, dname);
|
|
n = res_mkquery(QUERY, dbuf, class, type, (char *) NULL, 0,
|
|
NULL, (char *)&buf, sizeof buf);
|
|
n = res_send((char *) &buf, n, data, datalen);
|
|
|
|
return n;
|
|
}
|
|
|
|
res_search(dname, class, type, data, datalen)
|
|
char * dname;
|
|
int class;
|
|
int type;
|
|
char * data;
|
|
int datalen;
|
|
{
|
|
int n;
|
|
querybuf buf;
|
|
|
|
n = res_mkquery(QUERY, dname, class, type, (char *)NULL, 0,
|
|
NULL, (char *) &buf, sizeof buf);
|
|
n = res_send((char *) &buf, n, data, datalen);
|
|
|
|
return n;
|
|
}
|