diff options
author | Andreas Schneider <asn@cryptomilk.org> | 2011-04-14 10:17:44 +0200 |
---|---|---|
committer | Andreas Schneider <asn@cryptomilk.org> | 2011-04-14 10:17:44 +0200 |
commit | 94e7d345a7561a3ee5923808c2ee65244e2f5184 (patch) | |
tree | b333c99491a10ef8bd66ce8192015ea954114dc9 | |
parent | 7e4916cefcc3a44557944e0f9573a9982d2a2ccd (diff) | |
download | libssh-94e7d345a7561a3ee5923808c2ee65244e2f5184.tar.gz libssh-94e7d345a7561a3ee5923808c2ee65244e2f5184.tar.xz libssh-94e7d345a7561a3ee5923808c2ee65244e2f5184.zip |
wrapper: Fixed a possible NULL pointer dereference.
-rw-r--r-- | src/wrapper.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/wrapper.c b/src/wrapper.c index d4ad09c..6b88e0d 100644 --- a/src/wrapper.c +++ b/src/wrapper.c @@ -219,11 +219,15 @@ int crypt_set_algorithms_server(ssh_session session){ int i = 0; struct crypto_struct *ssh_ciphertab=ssh_get_ciphertab(); + if (session == NULL) { + return SSH_ERROR; + } + /* we must scan the kex entries to find crypto algorithms and set their appropriate structure */ enter_function(); /* out */ server = session->server_kex.methods[SSH_CRYPT_S_C]; - if(session && session->client_kex.methods) { + if(session->client_kex.methods) { client = session->client_kex.methods[SSH_CRYPT_S_C]; } else { ssh_log(session,SSH_LOG_PROTOCOL, "Client KEX empty"); |