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Apply class-imposed login restrictions.

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Sponsored by:	DARPA, NAI Labs
This commit is contained in:
Dag-Erling Smørgrav 2002-06-29 10:57:13 +00:00
parent 382d19ee61
commit 5b400a39b8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99053
1 changed files with 29 additions and 0 deletions
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29
crypto/openssh/auth2.c
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@ -24,6 +24,7 @@
#include "includes.h"
RCSID("$OpenBSD: auth2.c,v 1.93 2002/05/31 11:35:15 markus Exp $");
RCSID("$FreeBSD$");
#include "ssh2.h"
#include "xmalloc.h"
@ -137,6 +138,13 @@ input_userauth_request(int type, u_int32_t seq, void *ctxt)
Authmethod *m = NULL;
char *user, *service, *method, *style = NULL;
int authenticated = 0;
#ifdef HAVE_LOGIN_CAP
login_cap_t *lc;
const char *from_host, *from_ip;
from_host = get_canonical_hostname(options.verify_reverse_mapping);
from_ip = get_remote_ipaddr();
#endif
if (authctxt == NULL)
fatal("input_userauth_request: no authctxt");
@ -178,6 +186,27 @@ input_userauth_request(int type, u_int32_t seq, void *ctxt)
"(%s,%s) -> (%s,%s)",
authctxt->user, authctxt->service, user, service);
}
#ifdef HAVE_LOGIN_CAP
if (authctxt->pw != NULL) {
lc = login_getpwclass(authctxt->pw);
if (lc == NULL)
lc = login_getclassbyname(NULL, authctxt->pw);
if (!auth_hostok(lc, from_host, from_ip)) {
log("Denied connection for %.200s from %.200s [%.200s].",
authctxt->pw->pw_name, from_host, from_ip);
packet_disconnect("Sorry, you are not allowed to connect.");
}
if (!auth_timeok(lc, time(NULL))) {
log("LOGIN %.200s REFUSED (TIME) FROM %.200s",
authctxt->pw->pw_name, from_host);
packet_disconnect("Logins not available right now.");
}
login_close(lc);
lc = NULL;
}
#endif /* HAVE_LOGIN_CAP */
/* reset state */
auth2_challenge_stop(authctxt);
authctxt->postponed = 0;