Initial Alpine Version

1 files changed, 55 insertions, 0 deletions

diff --git a/imap/src/osdep/unix/log_bsi.c b/imap/src/osdep/unix/log_bsi.c
new file mode 100644
index 00000000..5db7415d
--- /dev/null
+++ b/imap/src/osdep/unix/log_bsi.c
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+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 
+ * ========================================================================
+ */
+
+/*
+ * Program:	BSI login
+ *
+ * Author:	Mark Crispin
+ *		Networks and Distributed Computing
+ *		Computing & Communications
+ *		University of Washington
+ *		Administration Building, AG-44
+ *		Seattle, WA  98195
+ *		Internet: MRC@CAC.Washington.EDU
+ *
+ * Date:	1 August 1988
+ * Last Edited:	30 August 2006
+ */
+
+/* Log in
+ * Accepts: login passwd struct
+ *	    argument count
+ *	    argument vector
+ * Returns: T if success, NIL otherwise
+ */
+
+long loginpw (struct passwd *pw,int argc,char *argv[])
+{
+  long ret = NIL;
+  uid_t euid = geteuid ();
+  login_cap_t *lc = login_getclass (pw->pw_class);
+				/* have class and can become user? */
+  if (lc && !seteuid (pw->pw_uid)) {
+				/* ask for approval */
+    if (auth_approve (lc,pw->pw_name,
+		      (char *) mail_parameters (NIL,GET_SERVICENAME,NIL)) <= 0)
+      seteuid (euid);		/* not approved, restore root euid */
+    else {			/* approved */
+      seteuid (euid);		/* restore former root euid first */
+      setsid ();		/* ensure we are session leader */
+				/* log the guy in */
+      ret = !setusercontext (lc,pw,pw->pw_uid,LOGIN_SETALL&~LOGIN_SETPATH);
+    }
+  }
+  return ret;
+}