X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fupap.h;h=709cd6294ffd2bf216799da3284518bea0238a2c;hp=ba4e153cb330169d76bedbe0b1aa33cf450d529f;hb=HEAD;hpb=2115d4179805e719798ce83482f2cf70d70cabdf

diff --git a/pppd/upap.h b/pppd/upap.h
index ba4e153..c86e520 100644
--- a/pppd/upap.h
+++ b/pppd/upap.h
@@ -1,28 +1,58 @@
 /*
  * upap.h - User/Password Authentication Protocol definitions.
  *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
+ * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
  *
- * $Id: upap.h,v 1.6 1996/07/01 01:21:45 paulus Exp $
+ * 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. The name "Carnegie Mellon University" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For permission or any legal
+ *    details, please contact
+ *      Office of Technology Transfer
+ *      Carnegie Mellon University
+ *      5000 Forbes Avenue
+ *      Pittsburgh, PA  15213-3890
+ *      (412) 268-4387, fax: (412) 268-7395
+ *      tech-transfer@andrew.cmu.edu
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by Computing Services
+ *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
+ *
+ * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#ifndef PPP_UPAP_H
+#define PPP_UPAP_H
+
+#include "pppdconf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 
 /*
  * Packet header = Code, id, length.
  */
-#define UPAP_HEADERLEN	(sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
+#define UPAP_HEADERLEN	4
 
 
 /*
@@ -44,7 +74,7 @@ typedef struct upap_state {
     int us_passwdlen;		/* Password length */
     int us_clientstate;		/* Client state */
     int us_serverstate;		/* Server state */
-    u_char us_id;		/* Current id */
+    unsigned char us_id;		/* Current id */
     int us_timeouttime;		/* Timeout (seconds) for auth-req retrans. */
     int us_transmits;		/* Number of auth-reqs sent */
     int us_maxtransmits;	/* Maximum number of auth-reqs to send */
@@ -81,7 +111,46 @@ typedef struct upap_state {
 
 extern upap_state upap[];
 
-void upap_authwithpeer __P((int, char *, char *));
-void upap_authpeer __P((int));
+void upap_authwithpeer(int, char *, char *);
+void upap_authpeer(int);
 
 extern struct protent pap_protent;
+
+typedef int  (pap_check_hook_fn)(void);
+typedef int  (pap_auth_hook_fn)(char *user, char *passwd, char **msgp,
+                struct wordlist **paddrs,
+                struct wordlist **popts);
+typedef void (pap_logout_hook_fn)(void);
+typedef int  (pap_passwd_hook_fn)(char *user, char *passwd);
+
+/*
+ * This function will return a value of 1 to indicate that a plugin intent to
+ *   supply a username or a password through the pap_auth_hook callback.
+ *
+ * A return value of > 0 will avoid parsing pap-secrets file.
+ */
+extern pap_check_hook_fn  *pap_check_hook;
+
+/*
+ * This hook is used to check if a username and password matches against the
+ *   PAP secrets.
+ */
+extern pap_auth_hook_fn   *pap_auth_hook;
+
+/*
+ * Hook for plugin to know about PAP user logout.
+ */
+extern pap_logout_hook_fn *pap_logout_hook;
+
+/*
+ * A plugin can chose to supply its own user and password overriding what
+ * previously has been configured. Hook is only valid when pppd is acting
+ * as a client
+ */
+extern pap_passwd_hook_fn *pap_passwd_hook;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // PPP_UPAP_H