- From 3fe7510b261098e3937ab5417935916a46e6727b Mon Sep 17 00:00:00 2001
- From: Andreas Schneider <asn@cryptomilk.org>
- Date: Fri, 19 Oct 2018 11:40:44 +0200
- Subject: [PATCH 4/8] messages: Check that the requested service is
- 'ssh-connection'
-
- Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
- (cherry picked from commit 9c200d3ef4f62d724d3bae2563b81c38cc31e215)
- Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
- ---
- src/messages.c | 8 ++++++++
- 1 file changed, 8 insertions(+)
-
- --- a/src/messages.c
- +++ b/src/messages.c
- @@ -649,6 +649,7 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_
- ssh_message msg = NULL;
- char *service = NULL;
- char *method = NULL;
- + int cmp;
- int rc;
-
- (void)user;
- @@ -675,6 +676,13 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_
- service, method,
- msg->auth_request.username);
-
- + cmp = strcmp(service, "ssh-connection");
- + if (cmp != 0) {
- + SSH_LOG(SSH_LOG_WARNING,
- + "Invalid service request: %s",
- + service);
- + goto end;
- + }
-
- if (strcmp(method, "none") == 0) {
- msg->auth_request.method = SSH_AUTH_METHOD_NONE;
|