git: 2c58d0cb3bb3 - main - if_ovpn: fix AES-128-GCM support

From: Kristof Provost <kp_at_FreeBSD.org>
Date: Fri, 11 Nov 2022 10:18:10 UTC
The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=2c58d0cb3bb3e3a5b714ffac940500efbe5303ca

commit 2c58d0cb3bb3e3a5b714ffac940500efbe5303ca
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2022-11-11 09:40:21 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2022-11-11 10:17:39 +0000

    if_ovpn: fix AES-128-GCM support
    
    We need to explicitly list AES-128-GCM as an allowed cipher for that
    mode to work. While here also add AES-192-GCM. That brings our supported
    cipher list in line with other openvpn/dco platforms.
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 sys/net/if_ovpn.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/net/if_ovpn.c b/sys/net/if_ovpn.c
index e3db105a94d2..94d12fa25f1a 100644
--- a/sys/net/if_ovpn.c
+++ b/sys/net/if_ovpn.c
@@ -694,7 +694,9 @@ ovpn_create_kkey_dir(struct ovpn_kkey_dir **kdirp,
 
 	if (strcmp(ciphername, "none") == 0)
 		cipher = OVPN_CIPHER_ALG_NONE;
-	else if (strcmp(ciphername, "AES-256-GCM") == 0)
+	else if (strcmp(ciphername, "AES-256-GCM") == 0 ||
+	    strcmp(ciphername, "AES-192-GCM") == 0 ||
+	    strcmp(ciphername, "AES-128-GCM") == 0)
 		cipher = OVPN_CIPHER_ALG_AES_GCM;
 	else if (strcmp(ciphername, "CHACHA20-POLY1305") == 0)
 		cipher = OVPN_CIPHER_ALG_CHACHA20_POLY1305;