diff mbox series

[net-next] sctp: move 198 addresses from unusable to private scope

Message ID c3f8dfcf952ebfd1ebe0108fc13aacedbad38e99.1625024048.git.lucien.xin@gmail.com
State New
Headers show
Series [net-next] sctp: move 198 addresses from unusable to private scope | expand

Commit Message

Xin Long June 30, 2021, 3:34 a.m. UTC
The doc draft-stewart-tsvwg-sctp-ipv4-00 that restricts 198 addresses
was never published. These addresses as private addresses should be
allowed to use in SCTP.

As Michael Tuexen suggested, this patch is to move 198 addresses from
unusable to private scope.

Reported-by: Sérgio <surkamp@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
---
 include/net/sctp/constants.h | 4 +---
 net/sctp/protocol.c          | 3 ++-
 2 files changed, 3 insertions(+), 4 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org July 1, 2021, 6:50 p.m. UTC | #1
Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Tue, 29 Jun 2021 23:34:08 -0400 you wrote:
> The doc draft-stewart-tsvwg-sctp-ipv4-00 that restricts 198 addresses
> was never published. These addresses as private addresses should be
> allowed to use in SCTP.
> 
> As Michael Tuexen suggested, this patch is to move 198 addresses from
> unusable to private scope.
> 
> [...]

Here is the summary with links:
  - [net-next] sctp: move 198 addresses from unusable to private scope
    https://git.kernel.org/netdev/net/c/1d11fa231cab

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 265fffa33dad..5859e0a16a58 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -360,8 +360,7 @@  enum {
 #define SCTP_SCOPE_POLICY_MAX	SCTP_SCOPE_POLICY_LINK
 
 /* Based on IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>,
- * SCTP IPv4 unusable addresses: 0.0.0.0/8, 224.0.0.0/4, 198.18.0.0/24,
- * 192.88.99.0/24.
+ * SCTP IPv4 unusable addresses: 0.0.0.0/8, 224.0.0.0/4, 192.88.99.0/24.
  * Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
  * addresses.
  */
@@ -369,7 +368,6 @@  enum {
 	((htonl(INADDR_BROADCAST) == a) ||  \
 	 ipv4_is_multicast(a) ||	    \
 	 ipv4_is_zeronet(a) ||		    \
-	 ipv4_is_test_198(a) ||		    \
 	 ipv4_is_anycast_6to4(a))
 
 /* Flags used for the bind address copy functions.  */
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index bc5db0b404ce..3ab1a2db1ff2 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -393,7 +393,8 @@  static enum sctp_scope sctp_v4_scope(union sctp_addr *addr)
 		retval = SCTP_SCOPE_LINK;
 	} else if (ipv4_is_private_10(addr->v4.sin_addr.s_addr) ||
 		   ipv4_is_private_172(addr->v4.sin_addr.s_addr) ||
-		   ipv4_is_private_192(addr->v4.sin_addr.s_addr)) {
+		   ipv4_is_private_192(addr->v4.sin_addr.s_addr) ||
+		   ipv4_is_test_198(addr->v4.sin_addr.s_addr)) {
 		retval = SCTP_SCOPE_PRIVATE;
 	} else {
 		retval = SCTP_SCOPE_GLOBAL;