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-rw-r--r--net/zebra-pj/files/patch-ripd301
1 files changed, 0 insertions, 301 deletions
diff --git a/net/zebra-pj/files/patch-ripd b/net/zebra-pj/files/patch-ripd
deleted file mode 100644
index 4178aaac23c6..000000000000
--- a/net/zebra-pj/files/patch-ripd
+++ /dev/null
@@ -1,301 +0,0 @@
---- lib/if.c.orig Fri Jun 21 23:49:50 2002
-+++ lib/if.c Mon Oct 14 17:25:42 2002
-@@ -553,6 +553,65 @@
- return NULL;
- }
-
-+/* Find the IPv4 address on our side that will be used when packets
-+ are sent to dst. */
-+struct connected *
-+connected_lookup_address (struct interface *ifp, struct in_addr dst)
-+{
-+ struct prefix addr;
-+ struct prefix best;
-+ listnode cnode;
-+ struct prefix *p;
-+ struct connected *c;
-+ struct connected *match;
-+
-+ /* Zero structures - get rid of rubbish from stack */
-+ memset(&addr, 0, sizeof(addr));
-+ memset(&best, 0, sizeof(best));
-+
-+ addr.family = AF_INET;
-+ addr.u.prefix4 = dst;
-+ addr.prefixlen = IPV4_MAX_BITLEN;
-+
-+ match = NULL;
-+
-+ for (cnode = listhead (ifp->connected); cnode; nextnode (cnode))
-+ {
-+ c = getdata (cnode);
-+
-+ if (if_is_pointopoint (ifp))
-+ {
-+ p = c->address;
-+
-+ if (p && p->family == AF_INET)
-+ {
-+#ifdef OLD_RIB /* PTP links are conventionally identified
-+ by the address of the far end - MAG */
-+ if (IPV4_ADDR_SAME (&p->u.prefix4, &dst))
-+ return c;
-+#endif
-+ p = c->destination;
-+ if (p && IPV4_ADDR_SAME (&p->u.prefix4, &dst))
-+ return c;
-+ }
-+ }
-+ else
-+ {
-+ p = c->address;
-+
-+ if (p->family == AF_INET)
-+ {
-+ if (prefix_match (p, &addr) && p->prefixlen > best.prefixlen)
-+ {
-+ best = *p;
-+ match = c;
-+ }
-+ }
-+ }
-+ }
-+ return match;
-+}
-+
- /* Check the connected information is PtP style or not. */
- int
- ifc_pointopoint (struct connected *ifc)
---- ./lib/if.h.orig Fri Jun 21 23:49:50 2002
-+++ ./lib/if.h Mon Oct 14 17:25:42 2002
-@@ -202,6 +202,7 @@
- void connected_free (struct connected *);
- void connected_add (struct interface *, struct connected *);
- struct connected *connected_delete_by_prefix (struct interface *, struct prefix *);
-+struct connected *connected_lookup_address (struct interface *, struct in_addr);
- int ifc_pointopoint (struct connected *);
-
- #ifndef HAVE_IF_NAMETOINDEX
---- ./ripd/ripd.c.orig Mon Jul 1 02:57:22 2002
-+++ ./ripd/ripd.c Tue Oct 15 10:02:11 2002
-@@ -55,8 +55,8 @@
- /* Prototypes. */
- void rip_event (enum rip_event, int);
-
--void rip_output_process (struct interface *, struct sockaddr_in *,
-- int, u_char);
-+void rip_output_process (struct interface *, struct prefix *,
-+ struct sockaddr_in *, int, u_char);
-
- /* RIP output routes type. */
- enum
-@@ -955,7 +955,14 @@
- {
- caddr_t lim;
- struct rte *rte;
-+ struct prefix_ipv4 ifaddr;
-+ struct prefix_ipv4 ifaddrclass;
-+ struct connected *c;
-+ int subnetted;
-
-+ /* We don't know yet. */
-+ subnetted = -1;
-+
- /* The Response must be ignored if it is not from the RIP
- port. (RFC2453 - Sec. 3.9.2)*/
- if (ntohs (from->sin_port) != RIP_PORT_DEFAULT)
-@@ -1108,23 +1115,51 @@
- {
- u_int32_t destination;
-
-- destination = ntohl (rte->prefix.s_addr);
--
-- if (destination & 0xff)
-+ if (subnetted == -1)
- {
-- masklen2ip (32, &rte->mask);
-+ c = connected_lookup_address (ifp, from->sin_addr);
-+ if (c != NULL)
-+ {
-+ memcpy (&ifaddr, c->address, sizeof (struct prefix_ipv4));
-+ memcpy (&ifaddrclass, &ifaddr, sizeof (struct prefix_ipv4));
-+ apply_classful_mask_ipv4 (&ifaddrclass);
-+ subnetted = 0;
-+ if (ifaddr.prefixlen > ifaddrclass.prefixlen)
-+ subnetted = 1;
-+ }
- }
-- else if ((destination & 0xff00) || IN_CLASSC (destination))
-- {
-+
-+ destination = ntohl (rte->prefix.s_addr);
-+
-+ if (IN_CLASSA (destination))
-+ masklen2ip (8, &rte->mask);
-+ else if (IN_CLASSB (destination))
-+ masklen2ip (16, &rte->mask);
-+ else if (IN_CLASSC (destination))
- masklen2ip (24, &rte->mask);
-+
-+ if (subnetted == 1)
-+ masklen2ip (ifaddrclass.prefixlen,
-+ (struct in_addr *) &destination);
-+ if ((subnetted == 1) && ((rte->prefix.s_addr & destination) ==
-+ ifaddrclass.prefix.s_addr))
-+ {
-+ masklen2ip (ifaddr.prefixlen, &rte->mask);
-+ if ((rte->prefix.s_addr & rte->mask.s_addr) != rte->prefix.s_addr)
-+ masklen2ip (32, &rte->mask);
-+ if (IS_RIP_DEBUG_EVENT)
-+ zlog_info ("Subnetted route %s", inet_ntoa (rte->prefix));
- }
-- else if ((destination & 0xff0000) || IN_CLASSB (destination))
-+ else
- {
-- masklen2ip (16, &rte->mask);
-+ if ((rte->prefix.s_addr & rte->mask.s_addr) != rte->prefix.s_addr)
-+ continue;
- }
-- else
-+
-+ if (IS_RIP_DEBUG_EVENT)
- {
-- masklen2ip (8, &rte->mask);
-+ zlog_info ("Resultant route %s", inet_ntoa (rte->prefix));
-+ zlog_info ("Resultant mask %s", inet_ntoa (rte->mask));
- }
- }
-
-@@ -1353,7 +1388,7 @@
- ntohl (rte->metric) == RIP_METRIC_INFINITY)
- {
- /* All route with split horizon */
-- rip_output_process (ifp, from, rip_all_route, packet->version);
-+ rip_output_process (ifp, NULL, from, rip_all_route, packet->version);
- }
- else
- {
-@@ -1884,8 +1919,8 @@
-
- /* Send update to the ifp or spcified neighbor. */
- void
--rip_output_process (struct interface *ifp, struct sockaddr_in *to,
-- int route_type, u_char version)
-+rip_output_process (struct interface *ifp, struct prefix *ifaddr,
-+ struct sockaddr_in *to, int route_type, u_char version)
- {
- int ret;
- struct stream *s;
-@@ -1894,8 +1929,11 @@
- struct rip_interface *ri;
- struct prefix_ipv4 *p;
- struct prefix_ipv4 classfull;
-+ struct prefix_ipv4 ifaddrclass;
-+ struct connected *c;
- int num;
- int rtemax;
-+ int subnetted;
-
- /* Logging output event. */
- if (IS_RIP_DEBUG_EVENT)
-@@ -1946,29 +1984,60 @@
- rtemax -=1;
- }
-
-+ if (version == RIPv1)
-+ {
-+ if (ifaddr == NULL)
-+ {
-+ c = connected_lookup_address (ifp, to->sin_addr);
-+ if (c != NULL)
-+ ifaddr = c->address;
-+ }
-+ if (ifaddr == NULL)
-+ {
-+ zlog_warn ("cannot find source address for packets to neighbor %s",
-+ inet_ntoa (to->sin_addr));
-+ return;
-+ }
-+ memcpy (&ifaddrclass, ifaddr, sizeof (struct prefix_ipv4));
-+ apply_classful_mask_ipv4 (&ifaddrclass);
-+ subnetted = 0;
-+ if (ifaddr->prefixlen > ifaddrclass.prefixlen)
-+ subnetted = 1;
-+ }
-+
- for (rp = route_top (rip->table); rp; rp = route_next (rp))
- if ((rinfo = rp->info) != NULL)
- {
-- /* Some inheritance stuff: */
-- /* Before we process with ipv4 prefix we should mask it */
-- /* with Classful mask if we send RIPv1 packet.That's because */
-- /* user could set non-classful mask or we could get it by RIPv2 */
-- /* or other protocol. checked with Cisco's way of life :) */
-+ /* For RIPv1, if we are subnetted, output subnets in our network */
-+ /* that have the same mask as the output "interface". For other */
-+ /* networks, only the classfull version is output. */
-
- if (version == RIPv1)
- {
-- memcpy (&classfull, &rp->p, sizeof (struct prefix_ipv4));
-+ p = (struct prefix_ipv4 *) &rp->p;
-
- if (IS_RIP_DEBUG_PACKET)
-- zlog_info("%s/%d before RIPv1 mask check ",
-- inet_ntoa (classfull.prefix), classfull.prefixlen);
--
-- apply_classful_mask_ipv4 (&classfull);
-- p = &classfull;
-+ zlog_info("RIPv1 mask check, %s/%d considered for output",
-+ inet_ntoa (rp->p.u.prefix4), rp->p.prefixlen);
-
-+ if (subnetted &&
-+ prefix_match ((struct prefix *) &ifaddrclass, &rp->p))
-+ {
-+ if ((ifaddr->prefixlen != rp->p.prefixlen) &&
-+ (rp->p.prefixlen != 32))
-+ continue;
-+ }
-+ else
-+ {
-+ memcpy (&classfull, &rp->p, sizeof(struct prefix_ipv4));
-+ apply_classful_mask_ipv4(&classfull);
-+ if (rp->p.u.prefix4.s_addr != 0 &&
-+ classfull.prefixlen != rp->p.prefixlen)
-+ continue;
-+ }
- if (IS_RIP_DEBUG_PACKET)
-- zlog_info("%s/%d after RIPv1 mask check",
-- inet_ntoa (p->prefix), p->prefixlen);
-+ zlog_info("RIPv1 mask check, %s/%d made it through",
-+ inet_ntoa (rp->p.u.prefix4), rp->p.prefixlen);
- }
- else
- p = (struct prefix_ipv4 *) &rp->p;
-@@ -2109,7 +2178,7 @@
- if (IS_RIP_DEBUG_EVENT)
- zlog_info ("multicast announce on %s ", ifp->name);
-
-- rip_output_process (ifp, NULL, route_type, version);
-+ rip_output_process (ifp, NULL, NULL, route_type, version);
- return;
- }
-
-@@ -2136,7 +2205,8 @@
- if_is_pointopoint (ifp) ? "unicast" : "broadcast",
- inet_ntoa (to.sin_addr), ifp->name);
-
-- rip_output_process (ifp, &to, route_type, version);
-+ rip_output_process (ifp, connected->address, &to, route_type,
-+ version);
- }
- }
- }
-@@ -2224,7 +2294,7 @@
- to.sin_port = htons (RIP_PORT_DEFAULT);
-
- /* RIP version is rip's configuration. */
-- rip_output_process (ifp, &to, route_type, rip->version);
-+ rip_output_process (ifp, NULL, &to, route_type, rip->version);
- }
- }
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 05:53:02 +0000