+/* $OpenBSD: auth.c,v 1.72 2006/07/22 20:48:22 stevesk Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
*/
#include "includes.h"
-RCSID("$OpenBSD: auth.c,v 1.60 2005/06/17 02:44:32 djm Exp $");
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+#include <pwd.h>
#ifdef HAVE_LOGIN_H
#include <login.h>
#endif
#ifdef USE_SHADOW
#include <shadow.h>
#endif
-
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#endif
+#include <stdarg.h>
+#include <string.h>
#include "xmalloc.h"
#include "match.h"
/* import */
extern ServerOptions options;
+extern int use_privsep;
extern Buffer loginmsg;
/* Debugging messages */
/* grab passwd field for locked account check */
#ifdef USE_SHADOW
if (spw != NULL)
+#if defined(HAVE_LIBIAF) && !defined(BROKEN_LIBIAF)
+ passwd = get_iaf_password(pw);
+#else
passwd = spw->sp_pwdp;
+#endif /* HAVE_LIBIAF && !BROKEN_LIBIAF */
#else
passwd = pw->pw_passwd;
#endif
if (strstr(passwd, LOCKED_PASSWD_SUBSTR))
locked = 1;
#endif
+#if defined(HAVE_LIBIAF) && !defined(BROKEN_LIBIAF)
+ free(passwd);
+#endif /* HAVE_LIBIAF && !BROKEN_LIBIAF */
if (locked) {
logit("User %.100s not allowed because account is locked",
pw->pw_name);
void (*authlog) (const char *fmt,...) = verbose;
char *authmsg;
+ if (use_privsep && !mm_is_monitor() && !authctxt->postponed)
+ return;
+
/* Raise logging level */
if (authenticated == 1 ||
!authctxt->valid ||
get_canonical_hostname(options.use_dns), "ssh");
#endif
#ifdef SSH_AUDIT_EVENTS
- if (authenticated == 0 && !authctxt->postponed) {
- ssh_audit_event_t event;
-
- debug3("audit failed auth attempt, method %s euid %d",
- method, (int)geteuid());
- /*
- * Because the auth loop is used in both monitor and slave,
- * we must be careful to send each event only once and with
- * enough privs to write the event.
- */
- event = audit_classify_auth(method);
- switch(event) {
- case SSH_AUTH_FAIL_NONE:
- case SSH_AUTH_FAIL_PASSWD:
- case SSH_AUTH_FAIL_KBDINT:
- if (geteuid() == 0)
- audit_event(event);
- break;
- case SSH_AUTH_FAIL_PUBKEY:
- case SSH_AUTH_FAIL_HOSTBASED:
- case SSH_AUTH_FAIL_GSSAPI:
- /*
- * This is required to handle the case where privsep
- * is enabled but it's root logging in, since
- * use_privsep won't be cleared until after a
- * successful login.
- */
- if (geteuid() == 0)
- audit_event(event);
- else
- PRIVSEP(audit_event(event));
- break;
- default:
- error("unknown authentication audit event %d", event);
- }
- }
+ if (authenticated == 0 && !authctxt->postponed)
+ audit_event(audit_classify_auth(method));
#endif
}
switch (options.permit_root_login) {
case PERMIT_YES:
return 1;
- break;
case PERMIT_NO_PASSWD:
if (strcmp(method, "password") != 0)
return 1;
static char *
expand_authorized_keys(const char *filename, struct passwd *pw)
{
- char *file, *ret;
+ char *file, ret[MAXPATHLEN];
+ int i;
file = percent_expand(filename, "h", pw->pw_dir,
"u", pw->pw_name, (char *)NULL);
if (*file == '/')
return (file);
- ret = xmalloc(MAXPATHLEN);
- if (strlcpy(ret, pw->pw_dir, MAXPATHLEN) >= MAXPATHLEN ||
- strlcat(ret, "/", MAXPATHLEN) >= MAXPATHLEN ||
- strlcat(ret, file, MAXPATHLEN) >= MAXPATHLEN)
+ i = snprintf(ret, sizeof(ret), "%s/%s", pw->pw_dir, file);
+ if (i < 0 || (size_t)i >= sizeof(ret))
fatal("expand_authorized_keys: path too long");
-
xfree(file);
- return (ret);
+ return (xstrdup(ret));
}
char *
#endif
struct passwd *pw;
+ parse_server_match_config(&options, user,
+ get_canonical_hostname(options.use_dns), get_remote_ipaddr());
+
pw = getpwnam(user);
if (pw == NULL) {
logit("Invalid user %.100s from %.100s",