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- Only request "none" cipher after auth has succeeded

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--HG--
branch : insecure-nocrypto
This commit is contained in:
Matt Johnston
2012-05-17 20:52:57 +08:00
parent a02d38072a
commit e719a9ef6f
5 changed files with 54 additions and 15 deletions
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15
cli-session.c
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@@ -133,6 +133,13 @@ static void cli_session_init() {
cli_ses.lastprivkey = NULL;
cli_ses.lastauthtype = 0;
#ifdef DROPBEAR_NONE_CIPHER
cli_ses.cipher_none_after_auth = get_algo_usable(sshciphers, "none");
set_algo_usable(sshciphers, "none", 0);
#else
cli_ses.cipher_none_after_auth = 0;
#endif
/* For printing "remote host closed" for the user */
ses.remoteclosed = cli_remoteclosed;
ses.buf_match_algo = cli_buf_match_algo;
@@ -207,6 +214,14 @@ static void cli_sessionloop() {
case USERAUTH_SUCCESS_RCVD:
#ifdef DROPBEAR_NONE_CIPHER
if (cli_ses.cipher_none_after_auth)
{
set_algo_usable(sshciphers, "none", 1);
send_msg_kexinit();
}
#endif
if (cli_opts.backgrounded) {
int devnull;
/* keeping stdin open steals input from the terminal and