#include <vnet/vnet.h>
#include <vnet/udp/udp_local.h>
#include <vnet/plugin/plugin.h>
-#include <vnet/fib/fib_table.h>
#include <dns/dns.h>
-
+#include <vnet/ip/ip_sas.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vpp/app/version.h>
#define REPLY_MSG_ID_BASE dm->msg_id_base
#include <vlibapi/api_helper_macros.h>
-/* Macro to finish up custom dump fns */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define FINISH \
- vec_add1 (s, 0); \
- vl_print (handle, (char *)s); \
- vec_free (s); \
- return handle;
+#define FINISH \
+ vec_add1 (s, 0); \
+ vlib_cli_output (handle, (char *) s); \
+ vec_free (s); \
+ return handle;
dns_main_t dns_main;
u32 bi;
vlib_buffer_t *b;
ip4_header_t *ip;
- fib_prefix_t prefix;
- fib_node_index_t fei;
- u32 sw_if_index, fib_index;
udp_header_t *udp;
- ip4_main_t *im4 = &ip4_main;
- ip_lookup_main_t *lm4 = &im4->lookup_main;
- ip_interface_address_t *ia = 0;
- ip4_address_t *src_address;
+ ip4_address_t src_address;
u8 *dns_request;
vlib_frame_t *f;
u32 *to_next;
ASSERT (ep->dns_request);
- /* Find a FIB path to the server */
- clib_memcpy (&prefix.fp_addr.ip4, server, sizeof (*server));
- prefix.fp_proto = FIB_PROTOCOL_IP4;
- prefix.fp_len = 32;
-
- fib_index = fib_table_find (prefix.fp_proto, 0 /* default VRF for now */ );
- if (fib_index == (u32) ~ 0)
- {
- if (0)
- clib_warning ("no fib table");
- return;
- }
-
- fei = fib_table_lookup (fib_index, &prefix);
-
- /* Couldn't find route to destination. Bail out. */
- if (fei == FIB_NODE_INDEX_INVALID)
- {
- if (0)
- clib_warning ("no route to DNS server");
- return;
- }
-
- sw_if_index = fib_entry_get_resolving_interface (fei);
-
- if (sw_if_index == ~0)
- {
- if (0)
- clib_warning
- ("route to %U exists, fei %d, get_resolving_interface returned"
- " ~0", format_ip4_address, &prefix.fp_addr, fei);
- return;
- }
-
- /* *INDENT-OFF* */
- foreach_ip_interface_address(lm4, ia, sw_if_index, 1 /* honor unnumbered */,
- ({
- src_address = ip_interface_address_get_address (lm4, ia);
- goto found_src_address;
- }));
- /* *INDENT-ON* */
-
- clib_warning ("FIB BUG");
- return;
-
-found_src_address:
+ if (!ip4_sas (0 /* default VRF for now */, ~0, server, &src_address))
+ return;
/* Go get a buffer */
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
ip->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b));
ip->ttl = 255;
ip->protocol = IP_PROTOCOL_UDP;
- ip->src_address.as_u32 = src_address->as_u32;
+ ip->src_address.as_u32 = src_address.as_u32;
ip->dst_address.as_u32 = server->as_u32;
ip->checksum = ip4_header_checksum (ip);
u32 bi;
vlib_buffer_t *b;
ip6_header_t *ip;
- fib_prefix_t prefix;
- fib_node_index_t fei;
- u32 sw_if_index, fib_index;
udp_header_t *udp;
- ip6_main_t *im6 = &ip6_main;
- ip_lookup_main_t *lm6 = &im6->lookup_main;
- ip_interface_address_t *ia = 0;
- ip6_address_t *src_address;
+ ip6_address_t src_address;
u8 *dns_request;
vlib_frame_t *f;
u32 *to_next;
ASSERT (ep->dns_request);
- /* Find a FIB path to the server */
- clib_memcpy (&prefix.fp_addr, server, sizeof (*server));
- prefix.fp_proto = FIB_PROTOCOL_IP6;
- prefix.fp_len = 32;
-
- fib_index = fib_table_find (prefix.fp_proto, 0 /* default VRF for now */ );
- if (fib_index == (u32) ~ 0)
- {
- if (0)
- clib_warning ("no fib table");
- return;
- }
-
- fei = fib_table_lookup (fib_index, &prefix);
-
- /* Couldn't find route to destination. Bail out. */
- if (fei == FIB_NODE_INDEX_INVALID)
- {
- clib_warning ("no route to DNS server");
- }
-
- sw_if_index = fib_entry_get_resolving_interface (fei);
-
- /* *INDENT-OFF* */
- foreach_ip_interface_address(lm6, ia, sw_if_index, 1 /* honor unnumbered */,
- ({
- src_address = ip_interface_address_get_address (lm6, ia);
- goto found_src_address;
- }));
- /* *INDENT-ON* */
-
- clib_warning ("FIB BUG");
- return;
-
-found_src_address:
+ if (!ip6_sas (0 /* default VRF for now */, ~0, server, &src_address))
+ return;
/* Go get a buffer */
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
- sizeof (ip6_header_t));
ip->hop_limit = 255;
ip->protocol = IP_PROTOCOL_UDP;
- clib_memcpy (&ip->src_address, src_address, sizeof (ip6_address_t));
+ ip6_address_copy (&ip->src_address, &src_address);
clib_memcpy (&ip->dst_address, server, sizeof (ip6_address_t));
/* UDP header */
clib_memset (ep, 0, sizeof (*ep));
ep->name = format (0, "%s%c", name, 0);
- _vec_len (ep->name) = vec_len (ep->name) - 1;
+ vec_set_len (ep->name, vec_len (ep->name) - 1);
hash_set_mem (dm->cache_entry_by_name, ep->name, ep - dm->entries);
cname = vnet_dns_labels_to_name (rr->rdata, reply, &pos2);
/* Save the cname */
vec_add1 (cname, 0);
- _vec_len (cname) -= 1;
+ vec_dec_len (cname, 1);
ep = pool_elt_at_index (dm->entries, ep_index);
ep->cname = cname;
ep->flags |= (DNS_CACHE_ENTRY_FLAG_CNAME | DNS_CACHE_ENTRY_FLAG_VALID);
clib_memset (next_ep, 0, sizeof (*next_ep));
next_ep->name = vec_dup (cname);
vec_add1 (next_ep->name, 0);
- _vec_len (next_ep->name) -= 1;
+ vec_dec_len (next_ep->name, 1);
hash_set_mem (dm->cache_entry_by_name, next_ep->name,
next_ep - dm->entries);
dns_main_t *dm = &dns_main;
vl_api_dns_resolve_name_reply_t *rmp;
dns_cache_entry_t *ep = 0;
- dns_pending_request_t _t0, *t0 = &_t0;
+ dns_pending_request_t _t0 = { 0 }, *t0 = &_t0;
int rv;
dns_resolve_name_t rn;
int i, len;
u8 *lookup_name = 0;
u8 digit, nybble;
- dns_pending_request_t _t0, *t0 = &_t0;
+ dns_pending_request_t _t0 = { 0 }, *t0 = &_t0;
if (mp->is_ip6)
{
if (unformat (input, "%v", &name))
{
vec_add1 (name, 0);
- _vec_len (name) -= 1;
+ vec_dec_len (name, 1);
}
else
return clib_error_return (0, "no name provided");
vlib_buffer_t * b0)
{
u32 bi = 0;
- fib_prefix_t prefix;
- fib_node_index_t fei;
- u32 sw_if_index, fib_index;
- ip4_main_t *im4 = &ip4_main;
- ip_lookup_main_t *lm4 = &im4->lookup_main;
- ip_interface_address_t *ia = 0;
- ip4_address_t *src_address;
+ ip4_address_t src_address;
ip4_header_t *ip;
udp_header_t *udp;
dns_header_t *dh;
vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0; /* "local0" */
vnet_buffer (b0)->sw_if_index[VLIB_TX] = 0; /* default VRF for now */
- /* Find a FIB path to the peer we're trying to answer */
- clib_memcpy (&prefix.fp_addr.ip4, pr->dst_address, sizeof (ip4_address_t));
- prefix.fp_proto = FIB_PROTOCOL_IP4;
- prefix.fp_len = 32;
-
- fib_index = fib_table_find (prefix.fp_proto, 0 /* default VRF for now */ );
- if (fib_index == (u32) ~ 0)
- {
- clib_warning ("no fib table");
- return;
- }
-
- fei = fib_table_lookup (fib_index, &prefix);
-
- /* Couldn't find route to destination. Bail out. */
- if (fei == FIB_NODE_INDEX_INVALID)
- {
- clib_warning ("no route to DNS server");
- return;
- }
-
- sw_if_index = fib_entry_get_resolving_interface (fei);
-
- if (sw_if_index == ~0)
- {
- clib_warning (
- "route to %U exists, fei %d, get_resolving_interface returned"
- " ~0",
- format_ip4_address, &prefix.fp_addr, fei);
- return;
- }
-
- /* *INDENT-OFF* */
- foreach_ip_interface_address(lm4, ia, sw_if_index, 1 /* honor unnumbered */,
- ({
- src_address = ip_interface_address_get_address (lm4, ia);
- goto found_src_address;
- }));
- /* *INDENT-ON* */
-
- clib_warning ("FIB BUG");
- return;
-
-found_src_address:
+ if (!ip4_sas (0 /* default VRF for now */, ~0,
+ (const ip4_address_t *) &pr->dst_address, &src_address))
+ return;
ip = vlib_buffer_get_current (b0);
udp = (udp_header_t *) (ip + 1);
ip->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0));
ip->ttl = 255;
ip->protocol = IP_PROTOCOL_UDP;
- ip->src_address.as_u32 = src_address->as_u32;
+ ip->src_address.as_u32 = src_address.as_u32;
clib_memcpy (ip->dst_address.as_u8, pr->dst_address,
sizeof (ip4_address_t));
ip->checksum = ip4_header_checksum (ip);
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