--- /dev/null
+/*
+ * ecp.c - PPP Encryption Control Protocol.
+ *
+ * Copyright (c) 2002 The Android Open Source Project
+ * 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. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
+ *
+ * Derived from ccp.c, which is:
+ *
+ * Copyright (c) 1994-2002 Paul Mackerras. 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. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 3. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
+ */
+
+#define RCSID "$Id: ecp.c,v 1.4 2004/11/04 10:02:26 paulus Exp $"
+
+static const char rcsid[] = RCSID;
+
+#include <string.h>
+
+#include "pppd.h"
+#include "fsm.h"
+#include "ecp.h"
+
+static option_t ecp_option_list[] = {
+ { "noecp", o_bool, &ecp_protent.enabled_flag,
+ "Disable ECP negotiation" },
+ { "-ecp", o_bool, &ecp_protent.enabled_flag,
+ "Disable ECP negotiation", OPT_ALIAS },
+
+ { NULL }
+};
+
+/*
+ * Protocol entry points from main code.
+ */
+static void ecp_init __P((int unit));
+/*
+static void ecp_open __P((int unit));
+static void ecp_close __P((int unit, char *));
+static void ecp_lowerup __P((int unit));
+static void ecp_lowerdown __P((int));
+static void ecp_input __P((int unit, u_char *pkt, int len));
+static void ecp_protrej __P((int unit));
+*/
+static int ecp_printpkt __P((u_char *pkt, int len,
+ void (*printer) __P((void *, char *, ...)),
+ void *arg));
+/*
+static void ecp_datainput __P((int unit, u_char *pkt, int len));
+*/
+
+struct protent ecp_protent = {
+ PPP_ECP,
+ ecp_init,
+ NULL, /* ecp_input, */
+ NULL, /* ecp_protrej, */
+ NULL, /* ecp_lowerup, */
+ NULL, /* ecp_lowerdown, */
+ NULL, /* ecp_open, */
+ NULL, /* ecp_close, */
+ ecp_printpkt,
+ NULL, /* ecp_datainput, */
+ 0,
+ "ECP",
+ "Encrypted",
+ ecp_option_list,
+ NULL,
+ NULL,
+ NULL
+};
+
+fsm ecp_fsm[NUM_PPP];
+ecp_options ecp_wantoptions[NUM_PPP]; /* what to request the peer to use */
+ecp_options ecp_gotoptions[NUM_PPP]; /* what the peer agreed to do */
+ecp_options ecp_allowoptions[NUM_PPP]; /* what we'll agree to do */
+ecp_options ecp_hisoptions[NUM_PPP]; /* what we agreed to do */
+
+static fsm_callbacks ecp_callbacks = {
+ NULL, /* ecp_resetci, */
+ NULL, /* ecp_cilen, */
+ NULL, /* ecp_addci, */
+ NULL, /* ecp_ackci, */
+ NULL, /* ecp_nakci, */
+ NULL, /* ecp_rejci, */
+ NULL, /* ecp_reqci, */
+ NULL, /* ecp_up, */
+ NULL, /* ecp_down, */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL, /* ecp_extcode, */
+ "ECP"
+};
+
+/*
+ * ecp_init - initialize ECP.
+ */
+static void
+ecp_init(unit)
+ int unit;
+{
+ fsm *f = &ecp_fsm[unit];
+
+ f->unit = unit;
+ f->protocol = PPP_ECP;
+ f->callbacks = &ecp_callbacks;
+ fsm_init(f);
+
+ memset(&ecp_wantoptions[unit], 0, sizeof(ecp_options));
+ memset(&ecp_gotoptions[unit], 0, sizeof(ecp_options));
+ memset(&ecp_allowoptions[unit], 0, sizeof(ecp_options));
+ memset(&ecp_hisoptions[unit], 0, sizeof(ecp_options));
+
+}
+
+
+static int
+ecp_printpkt(p, plen, printer, arg)
+ u_char *p;
+ int plen;
+ void (*printer) __P((void *, char *, ...));
+ void *arg;
+{
+ return 0;
+}
+
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