From 8a22ffaa13391cfe5b40316d938fe0fb931e9296 Mon Sep 17 00:00:00 2001 From: Damien Miller Date: Fri, 7 Dec 2018 15:41:16 +1100 Subject: expose $SSH_CONNECTION in the PAM environment This makes the connection 4-tuple available to PAM modules that wish to use it in decision-making. bz#2741 --- session.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'session.c') diff --git a/session.c b/session.c index a3f0b356..d2e2fbd7 100644 --- a/session.c +++ b/session.c @@ -1162,15 +1162,18 @@ do_setup_env(struct ssh *ssh, Session *s, const char *shell) char **p; /* - * Don't allow SSH_AUTH_INFO variables posted to PAM to leak - * back into the environment. + * Don't allow PAM-internal env vars to leak + * back into the session environment. */ +#define PAM_ENV_BLACKLIST "SSH_AUTH_INFO*,SSH_CONNECTION*" p = fetch_pam_child_environment(); - copy_environment_blacklist(p, &env, &envsize, "SSH_AUTH_INFO*"); + copy_environment_blacklist(p, &env, &envsize, + PAM_ENV_BLACKLIST); free_pam_environment(p); p = fetch_pam_environment(); - copy_environment_blacklist(p, &env, &envsize, "SSH_AUTH_INFO*"); + copy_environment_blacklist(p, &env, &envsize, + PAM_ENV_BLACKLIST); free_pam_environment(p); } #endif /* USE_PAM */ -- cgit v1.2.1