aboutsummaryrefslogtreecommitdiffstats
path: root/net/rxrpc
diff options
context:
space:
mode:
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/ar-internal.h4
-rw-r--r--net/rxrpc/call_accept.c2
-rw-r--r--net/rxrpc/conn_object.c2
-rw-r--r--net/rxrpc/local_event.c2
-rw-r--r--net/rxrpc/output.c2
-rw-r--r--net/rxrpc/peer_event.c6
-rw-r--r--net/rxrpc/rxkad.c8
-rw-r--r--net/rxrpc/utils.c23
8 files changed, 31 insertions, 18 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 8cac66774de1..227e24794055 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -830,7 +830,6 @@ void rxrpc_process_connection(struct work_struct *);
*/
extern unsigned int rxrpc_connection_expiry;
-int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *, struct sk_buff *);
struct rxrpc_connection *rxrpc_alloc_connection(gfp_t);
struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *,
struct sk_buff *);
@@ -1060,7 +1059,8 @@ static inline void rxrpc_sysctl_exit(void) {}
/*
* utils.c
*/
-int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *, struct sk_buff *);
+int rxrpc_extract_addr_from_skb(struct rxrpc_local *, struct sockaddr_rxrpc *,
+ struct sk_buff *);
static inline bool before(u32 seq1, u32 seq2)
{
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index ec3383f97d4c..cbd1701e813a 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -277,7 +277,7 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
* anticipation - and to save on stack space.
*/
xpeer = b->peer_backlog[peer_tail];
- if (rxrpc_extract_addr_from_skb(&xpeer->srx, skb) < 0)
+ if (rxrpc_extract_addr_from_skb(local, &xpeer->srx, skb) < 0)
return NULL;
peer = rxrpc_lookup_incoming_peer(local, xpeer);
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 929b50d5afe8..fe575798592f 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -72,7 +72,7 @@ struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *local,
_enter(",%x", sp->hdr.cid & RXRPC_CIDMASK);
- if (rxrpc_extract_addr_from_skb(&srx, skb) < 0)
+ if (rxrpc_extract_addr_from_skb(local, &srx, skb) < 0)
goto not_found;
k.epoch = sp->hdr.epoch;
diff --git a/net/rxrpc/local_event.c b/net/rxrpc/local_event.c
index 540d3955c1bc..93b5d910b4a1 100644
--- a/net/rxrpc/local_event.c
+++ b/net/rxrpc/local_event.c
@@ -39,7 +39,7 @@ static void rxrpc_send_version_request(struct rxrpc_local *local,
_enter("");
- if (rxrpc_extract_addr_from_skb(&srx, skb) < 0)
+ if (rxrpc_extract_addr_from_skb(local, &srx, skb) < 0)
return;
msg.msg_name = &srx.transport;
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 5bd2d0fa4a03..71e6f713fbe7 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -444,7 +444,7 @@ void rxrpc_reject_packets(struct rxrpc_local *local)
rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
sp = rxrpc_skb(skb);
- if (rxrpc_extract_addr_from_skb(&srx, skb) == 0) {
+ if (rxrpc_extract_addr_from_skb(local, &srx, skb) == 0) {
msg.msg_namelen = srx.transport_len;
code = htonl(skb->priority);
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 1ed9c0c2e94f..7f749505e699 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -37,6 +37,7 @@ static struct rxrpc_peer *rxrpc_lookup_peer_icmp_rcu(struct rxrpc_local *local,
memset(&srx, 0, sizeof(srx));
srx.transport_type = local->srx.transport_type;
+ srx.transport_len = local->srx.transport_len;
srx.transport.family = local->srx.transport.family;
/* Can we see an ICMP4 packet on an ICMP6 listening socket? and vice
@@ -45,7 +46,6 @@ static struct rxrpc_peer *rxrpc_lookup_peer_icmp_rcu(struct rxrpc_local *local,
switch (srx.transport.family) {
case AF_INET:
srx.transport.sin.sin_port = serr->port;
- srx.transport_len = sizeof(struct sockaddr_in);
switch (serr->ee.ee_origin) {
case SO_EE_ORIGIN_ICMP:
_net("Rx ICMP");
@@ -69,7 +69,6 @@ static struct rxrpc_peer *rxrpc_lookup_peer_icmp_rcu(struct rxrpc_local *local,
#ifdef CONFIG_AF_RXRPC_IPV6
case AF_INET6:
srx.transport.sin6.sin6_port = serr->port;
- srx.transport_len = sizeof(struct sockaddr_in6);
switch (serr->ee.ee_origin) {
case SO_EE_ORIGIN_ICMP6:
_net("Rx ICMP6");
@@ -79,6 +78,9 @@ static struct rxrpc_peer *rxrpc_lookup_peer_icmp_rcu(struct rxrpc_local *local,
break;
case SO_EE_ORIGIN_ICMP:
_net("Rx ICMP on v6 sock");
+ srx.transport.sin6.sin6_addr.s6_addr32[0] = 0;
+ srx.transport.sin6.sin6_addr.s6_addr32[1] = 0;
+ srx.transport.sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
memcpy(srx.transport.sin6.sin6_addr.s6_addr + 12,
skb_network_header(skb) + serr->addr_offset,
sizeof(struct in_addr));
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 34c86d2bcae5..c38b3a1de56c 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -634,8 +634,8 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn)
challenge.min_level = htonl(0);
challenge.__padding = 0;
- msg.msg_name = &conn->params.peer->srx.transport.sin;
- msg.msg_namelen = sizeof(conn->params.peer->srx.transport.sin);
+ msg.msg_name = &conn->params.peer->srx.transport;
+ msg.msg_namelen = conn->params.peer->srx.transport_len;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
@@ -689,8 +689,8 @@ static int rxkad_send_response(struct rxrpc_connection *conn,
_enter("");
- msg.msg_name = &conn->params.peer->srx.transport.sin;
- msg.msg_namelen = sizeof(conn->params.peer->srx.transport.sin);
+ msg.msg_name = &conn->params.peer->srx.transport;
+ msg.msg_namelen = conn->params.peer->srx.transport_len;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
diff --git a/net/rxrpc/utils.c b/net/rxrpc/utils.c
index ff7af71c4b49..e801171fa351 100644
--- a/net/rxrpc/utils.c
+++ b/net/rxrpc/utils.c
@@ -17,17 +17,28 @@
/*
* Fill out a peer address from a socket buffer containing a packet.
*/
-int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *srx, struct sk_buff *skb)
+int rxrpc_extract_addr_from_skb(struct rxrpc_local *local,
+ struct sockaddr_rxrpc *srx,
+ struct sk_buff *skb)
{
memset(srx, 0, sizeof(*srx));
switch (ntohs(skb->protocol)) {
case ETH_P_IP:
- srx->transport_type = SOCK_DGRAM;
- srx->transport_len = sizeof(srx->transport.sin);
- srx->transport.sin.sin_family = AF_INET;
- srx->transport.sin.sin_port = udp_hdr(skb)->source;
- srx->transport.sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
+ if (local->srx.transport.family == AF_INET6) {
+ srx->transport_type = SOCK_DGRAM;
+ srx->transport_len = sizeof(srx->transport.sin6);
+ srx->transport.sin6.sin6_family = AF_INET6;
+ srx->transport.sin6.sin6_port = udp_hdr(skb)->source;
+ srx->transport.sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
+ srx->transport.sin6.sin6_addr.s6_addr32[3] = ip_hdr(skb)->saddr;
+ } else {
+ srx->transport_type = SOCK_DGRAM;
+ srx->transport_len = sizeof(srx->transport.sin);
+ srx->transport.sin.sin_family = AF_INET;
+ srx->transport.sin.sin_port = udp_hdr(skb)->source;
+ srx->transport.sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
+ }
return 0;
#ifdef CONFIG_AF_RXRPC_IPV6
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.