lots of C2 magic

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5166 ec53bebd-3082-4978-b11e-865c3cabbd6b
1998-09-28 11:47:36 +00:00
parent 3902bf1b56
commit 349c79a7e7
1 changed files with 84 additions and 0 deletions
--- a/appl/login/osfc2.c
+++ b/appl/login/osfc2.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 1998 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. All advertising materials mentioning features or use of this software 
+ *    must display the following acknowledgement: 
+ *      This product includes software developed by Kungliga Tekniska 
+ *      H<>gskolan and its contributors. 
+ *
+ * 4. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "bsd_locl.h"
+RCSID("$Id$");
+
+int
+do_osfc2_magic(uid_t uid)
+{
+#ifdef HAVE_OSFC2
+    struct es_passwd *epw;
+    char *argv[2];
+    
+    /* fake */
+    argv[0] = (char*)__progname;
+    argv[1] = NULL;
+    set_auth_parameters(1, argv);
+    
+    epw = getespwuid(uid);
+    if(epw == NULL) {
+	syslog(LOG_AUTHPRIV|LOG_NOTICE, 
+	       "getespwuid failed for %d", uid);
+	printf("Sorry.\n");
+	return 1;
+    }
+    /* We don't check for auto-retired, foo-retired,
+       bar-retired, or any other kind of retired accounts
+       here; neither do we check for time-locked accounts, or
+       any other kind of serious C2 mumbo-jumbo. We do,
+       however, call setluid, since failing to do so is not
+       very good (take my word for it). */
+    
+    if(!epw->uflg->fg_uid) {
+	syslog(LOG_AUTHPRIV|LOG_NOTICE, 
+	       "attempted login by %s (has no uid)", epw->ufld->fd_name);
+	printf("Sorry.\n");
+	return 1;
+    }
+    setluid(epw->ufld->fd_uid);
+    if(getluid() != epw->ufld->fd_uid) {
+	syslog(LOG_AUTHPRIV|LOG_NOTICE, 
+	       "failed to set LUID for %s (%d)", 
+	       epw->ufld->fd_name, epw->ufld->fd_uid);
+	printf("Sorry.\n");
+	return 1;
+    }
+#endif /* HAVE_OSFC2 */
+    return 0;
+}