+++ /dev/null
-#include <stdlib.h>
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
-#include "sysdep_decls.h"
-#include "domain.h"
-
-#define SMART_HOST "gatekeeper.wdcs.com"
-
-/*
- * getmx()
- *
- * Return one or more MX's for a mail destination.
- *
- * Upon success, it fills 'mxbuf' with one or more MX hosts, separated by
- * vertical bar characters, and returns the number of hosts as its return
- * value. If no MX's are found, it returns 0.
- *
- */
-int getmx(char *mxbuf, char *dest) {
- char answer[1024];
- int ret;
- unsigned char *startptr, *endptr, *ptr;
- int expanded_size;
- char expanded_buf[1024];
- unsigned short pref, type;
- int n;
-
-
- /* If we're configured to send all mail to a smart-host, then our
- * job here is really easy.
- */
- if (1) { /* FIX */
- strcpy(mxbuf, SMART_HOST);
- return(1);
- }
-
- /* No smart-host? Look up the best MX for a site.
- */
- ret = res_query(
- dest,
- C_IN, T_MX, answer, sizeof(answer) );
-
- lprintf(9, "res_query() returned %d\n", ret);
-
- if (ret < 0) {
- lprintf(5, "No MX found\n");
- return(0);
- }
-
- /* If we had to truncate, shrink the number to avoid fireworks */
- if (ret > sizeof(answer))
- ret = sizeof(answer);
- lprintf(9, "size of answer is %d\n", ret);
-
- startptr = &answer[0]; /* start and end of buffer */
- endptr = &answer[ret];
-
- ptr = startptr + HFIXEDSZ; /* advance past header */
-
- while(1) {
- memset(expanded_buf, 0, sizeof(expanded_buf));
- ret = dn_expand(startptr,
- endptr,
- ptr,
- expanded_buf,
- sizeof(expanded_buf)
- );
- if (ret < 0) break;
- ptr += ret;
-
- GETSHORT(type, ptr);
- ptr += INT16SZ + INT32SZ;
- GETSHORT(n, ptr);
- ptr += n;
-
- lprintf(9, "ret=%d, type=%d\n", ret, type);
- }
-
-
-
-
-
-
-
-
-
-
-
-
-
- /* FIX not done yet */
- return(0);
-}