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authorHenning Brauer <henning@cvs.openbsd.org>2004-05-08 06:12:51 +0000
committerHenning Brauer <henning@cvs.openbsd.org>2004-05-08 06:12:51 +0000
commitcb224def9c98730ea5120a1eaf8a8217c00633da (patch)
tree0a61f98bd454a772f68cd04549d34e27e7d04061 /usr.sbin
parent772876d68a3d30e479e0b70e0eae5657d778b93e (diff)
remove hostname lookup stuff, done at parse time now, ok theo
Diffstat (limited to 'usr.sbin')
-rw-r--r--usr.sbin/dhcpd/tree.c111
1 files changed, 1 insertions, 110 deletions
diff --git a/usr.sbin/dhcpd/tree.c b/usr.sbin/dhcpd/tree.c
index b90b7499608..11db0200549 100644
--- a/usr.sbin/dhcpd/tree.c
+++ b/usr.sbin/dhcpd/tree.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tree.c,v 1.8 2004/04/20 05:35:33 henning Exp $ */
+/* $OpenBSD: tree.c,v 1.9 2004/05/08 06:12:50 henning Exp $ */
/* Routines for manipulating parse trees... */
@@ -44,8 +44,6 @@
static time_t tree_evaluate_recurse(int *, unsigned char **, int *,
struct tree *);
-static time_t do_host_lookup(int *, unsigned char **, int *,
- struct dns_host_entry *);
static void do_data_copy(int *, unsigned char **, int *, unsigned char *, int);
pair
@@ -255,10 +253,6 @@ tree_evaluate_recurse(int *bufix, unsigned char **bufp,
return t2;
return t1;
- case TREE_HOST_LOOKUP:
- return do_host_lookup(bufix, bufp, bufcount,
- tree->data.host_lookup.host);
-
case TREE_CONST:
do_data_copy(bufix, bufp, bufcount, tree->data.const_val.data,
tree->data.const_val.len);
@@ -279,109 +273,6 @@ tree_evaluate_recurse(int *bufix, unsigned char **bufp,
}
}
-static time_t
-do_host_lookup(int *bufix, unsigned char **bufp, int *bufcount,
- struct dns_host_entry *dns)
-{
- struct hostent *h;
- int i;
- int new_len;
-
-#ifdef DEBUG_EVAL
- debug("time: now = %d dns = %d %d diff = %d", cur_time, dns->timeout,
- cur_time - dns->timeout);
-#endif
-
- /* If the record hasn't timed out, just copy the data and return. */
- if (cur_time <= dns->timeout) {
-#ifdef DEBUG_EVAL
- debug("easy copy: %x %d %x", dns->data, dns->data_len,
- dns->data ? *(int *)(dns->data) : 0);
-#endif
- do_data_copy(bufix, bufp, bufcount, dns->data, dns->data_len);
- return dns->timeout;
- }
-#ifdef DEBUG_EVAL
- debug("Looking up %s", dns->hostname);
-#endif
-
- /* Otherwise, look it up... */
- h = gethostbyname(dns->hostname);
- if (h == NULL) {
- switch (h_errno) {
- case HOST_NOT_FOUND:
- warn("%s: host unknown.", dns->hostname);
- break;
- case TRY_AGAIN:
- warn("%s: temporary name server failure",
- dns->hostname);
- break;
- case NO_RECOVERY:
- warn("%s: name server failed", dns->hostname);
- break;
- case NO_DATA:
- warn("%s: no A record associated with address",
- dns->hostname);
- }
- /* Okay to try again after a minute. */
- return cur_time + 60;
- }
-
-#ifdef DEBUG_EVAL
- debug("Lookup succeeded; first address is %x", h->h_addr_list[0]);
-#endif
-
- /* Count the number of addresses we got... */
- for (i = 0; h->h_addr_list[i]; i++)
- ;
-
- /* Do we need to allocate more memory? */
- new_len = i * h->h_length;
- if (dns->buf_len < i) {
- unsigned char *buf =
- (unsigned char *)dmalloc(new_len, "do_host_lookup");
- /* If we didn't get more memory, use what we have. */
- if (!buf) {
- new_len = dns->buf_len;
- if (!dns->buf_len) {
- dns->timeout = cur_time + 60;
- return dns->timeout;
- }
- } else {
- if (dns->data)
- dfree(dns->data, "do_host_lookup");
- dns->data = buf;
- dns->buf_len = new_len;
- }
- }
-
- /*
- * Addresses are conveniently stored one to the buffer, so we
- * have to copy them out one at a time... :'(
- */
- for (i = 0; i < new_len / h->h_length; i++)
- memcpy(dns->data + h->h_length * i, h->h_addr_list[i],
- h->h_length);
-#ifdef DEBUG_EVAL
- debug("dns->data: %x h->h_addr_list[0]: %x",
- *(int *)(dns->data), h->h_addr_list[0]);
-#endif
- dns->data_len = new_len;
-
- /*
- * Set the timeout for an hour from now.
- * XXX This should really use the time on the DNS reply.
- */
- dns->timeout = cur_time + 3600;
-
-#ifdef DEBUG_EVAL
- debug("hard copy: %x %d %x", dns->data, dns->data_len,
- *(int *)(dns->data));
-#endif
- do_data_copy(bufix, bufp, bufcount, dns->data, dns->data_len);
- return dns->timeout;
-}
-
static void
do_data_copy(int *bufix, unsigned char **bufp, int *bufcount,
unsigned char *data, int len)