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| author | Andreas Schneider <asn@cryptomilk.org> | 2018-10-19 11:40:44 +0200 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2018-10-19 14:09:58 +0200 |
| commit | 3fe7510b261098e3937ab5417935916a46e6727b (patch) | |
| tree | 3bd7cc4c21a52cd8d6bdeda04fa0758a01c6ab91 | |
| parent | 734e3ce6747a5ed120b93a1ff253b3fde5f20024 (diff) | |
| download | libssh-3fe7510b261098e3937ab5417935916a46e6727b.tar.gz libssh-3fe7510b261098e3937ab5417935916a46e6727b.tar.xz libssh-3fe7510b261098e3937ab5417935916a46e6727b.zip | |
messages: Check that the requested service is 'ssh-connection'
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 9c200d3ef4f62d724d3bae2563b81c38cc31e215)
| -rw-r--r-- | src/messages.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/messages.c b/src/messages.c index 98fbb7f7..3ddb6ada 100644 --- a/src/messages.c +++ b/src/messages.c @@ -649,6 +649,7 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_request){ 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_request){ 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; |