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Code Issues Releases Wiki Activity

Allow non authentication method for SSH

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This commit is contained in:
Nicolas Viennot 2019-10-15 03:03:18 -04:00
parent 48b5c6afba
commit dc05cbc4f5
1 changed files with 17 additions and 1 deletions
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18
tmate-ssh-server.c
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@ -201,8 +201,21 @@ static int auth_pubkey_cb(__unused ssh_session session,
}
}
static int auth_none_cb(ssh_session session, const char *user, void *userdata)
{
(void)session;
struct tmate_ssh_client *client = userdata;
client->username = xstrdup(user);
client->pubkey = xstrdup("none");
return SSH_AUTH_SUCCESS;
}
static struct ssh_server_callbacks_struct ssh_server_cb = {
.auth_pubkey_function = auth_pubkey_cb,
.auth_none_function = auth_none_cb,
.channel_open_request_session_function = channel_open_request_cb,
};
@ -268,7 +281,10 @@ static void client_bootstrap(struct tmate_session *_session)
ssh_options_set(session, SSH_OPTIONS_TIMEOUT, &grace_period);
ssh_options_set(session, SSH_OPTIONS_COMPRESSION, "yes");
ssh_set_auth_methods(client->session, SSH_AUTH_METHOD_PUBLICKEY);
unsigned int auth_flags = SSH_AUTH_METHOD_PUBLICKEY;
if (!tmate_settings->authorized_keys_path)
auth_flags |= SSH_AUTH_METHOD_NONE;
ssh_set_auth_methods(client->session, auth_flags);
tmate_debug("Exchanging DH keys");
if (ssh_handle_key_exchange(session) < 0)