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-rw-r--r--c/src/libnetworking/pppd/cbcp.c431
1 files changed, 0 insertions, 431 deletions
diff --git a/c/src/libnetworking/pppd/cbcp.c b/c/src/libnetworking/pppd/cbcp.c
deleted file mode 100644
index 147e56a07b..0000000000
--- a/c/src/libnetworking/pppd/cbcp.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * cbcp - Call Back Configuration Protocol.
- *
- * Copyright (c) 1995 Pedro Roque Marques
- * 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 Pedro Roque Marques. The name of the author 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.
- */
-
-#ifndef lint
-/* static char rcsid[] = "$Id$"; */
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <syslog.h>
-
-#include "pppd.h"
-#include "cbcp.h"
-#include "fsm.h"
-#include "lcp.h"
-#include "ipcp.h"
-
-/*
- * Protocol entry points.
- */
-static void cbcp_init __P((int unit));
-static void cbcp_open __P((int unit));
-static void cbcp_lowerup __P((int unit));
-static void cbcp_input __P((int unit, u_char *pkt, int len));
-static void cbcp_protrej __P((int unit));
-static int cbcp_printpkt __P((u_char *pkt, int len,
- void (*printer) __P((void *, char *, ...)),
- void *arg));
-
-struct protent cbcp_protent = {
- PPP_CBCP,
- cbcp_init,
- cbcp_input,
- cbcp_protrej,
- cbcp_lowerup,
- NULL,
- cbcp_open,
- NULL,
- cbcp_printpkt,
- NULL,
- 0,
- "CBCP",
- NULL,
- NULL,
- NULL
-};
-
-cbcp_state cbcp[NUM_PPP];
-
-/* internal prototypes */
-
-static void cbcp_recvreq __P((cbcp_state *us, char *pckt, int len));
-static void cbcp_resp __P((cbcp_state *us));
-static void cbcp_up __P((cbcp_state *us));
-static void cbcp_recvack __P((cbcp_state *us, char *pckt, int len));
-static void cbcp_send __P((cbcp_state *us, u_char code, u_char *buf, int len));
-
-/* init state */
-static void
-cbcp_init(iface)
- int iface;
-{
- cbcp_state *us;
-
- us = &cbcp[iface];
- memset(us, 0, sizeof(cbcp_state));
- us->us_unit = iface;
- us->us_type |= (1 << CB_CONF_NO);
-}
-
-/* lower layer is up */
-static void
-cbcp_lowerup(iface)
- int iface;
-{
- cbcp_state *us = &cbcp[iface];
-
-
- syslog(LOG_DEBUG, "cbcp_lowerup");
- syslog(LOG_DEBUG, "want: %d", us->us_type);
-
- if (us->us_type == CB_CONF_USER)
- syslog(LOG_DEBUG, "phone no: %s", us->us_number);
-}
-
-static void
-cbcp_open(unit)
- int unit;
-{
- syslog(LOG_DEBUG, "cbcp_open");
-}
-
-/* process an incomming packet */
-static void
-cbcp_input(unit, inpacket, pktlen)
- int unit;
- u_char *inpacket;
- int pktlen;
-{
- u_char *inp;
- u_char code, id;
- u_short len;
-
- cbcp_state *us = &cbcp[unit];
-
- inp = inpacket;
-
- if (pktlen < CBCP_MINLEN) {
- syslog(LOG_ERR, "CBCP packet is too small");
- return;
- }
-
- GETCHAR(code, inp);
- GETCHAR(id, inp);
- GETSHORT(len, inp);
-
-#if 0
- if (len > pktlen) {
- syslog(LOG_ERR, "CBCP packet: invalid length");
- return;
- }
-#endif
-
- len -= CBCP_MINLEN;
-
- switch(code) {
- case CBCP_REQ:
- us->us_id = id;
- cbcp_recvreq(us, inp, len);
- break;
-
- case CBCP_RESP:
- syslog(LOG_DEBUG, "CBCP_RESP received");
- break;
-
- case CBCP_ACK:
- if (id != us->us_id)
- syslog(LOG_DEBUG, "id doesn't match: expected %d recv %d",
- us->us_id, id);
-
- cbcp_recvack(us, inp, len);
- break;
-
- default:
- break;
- }
-}
-
-/* protocol was rejected by foe */
-void cbcp_protrej(int iface)
-{
-}
-
-char *cbcp_codenames[] = {
- "Request", "Response", "Ack"
-};
-
-char *cbcp_optionnames[] = {
- "NoCallback",
- "UserDefined",
- "AdminDefined",
- "List"
-};
-
-/* pretty print a packet */
-static int
-cbcp_printpkt(p, plen, printer, arg)
- u_char *p;
- int plen;
- void (*printer) __P((void *, char *, ...));
- void *arg;
-{
- int code, opt, id, len, olen, delay;
- u_char *pstart;
-
- if (plen < HEADERLEN)
- return 0;
- pstart = p;
- GETCHAR(code, p);
- GETCHAR(id, p);
- GETSHORT(len, p);
- if (len < HEADERLEN || len > plen)
- return 0;
-
- if (code >= 1 && code <= sizeof(cbcp_codenames) / sizeof(char *))
- printer(arg, " %s", cbcp_codenames[code-1]);
- else
- printer(arg, " code=0x%x", code);
-
- printer(arg, " id=0x%x", id);
- len -= HEADERLEN;
-
- switch (code) {
- case CBCP_REQ:
- case CBCP_RESP:
- case CBCP_ACK:
- while(len >= 2) {
- GETCHAR(opt, p);
- GETCHAR(olen, p);
-
- if (olen < 2 || olen > len) {
- break;
- }
-
- printer(arg, " <");
- len -= olen;
-
- if (opt >= 1 && opt <= sizeof(cbcp_optionnames) / sizeof(char *))
- printer(arg, " %s", cbcp_optionnames[opt-1]);
- else
- printer(arg, " option=0x%x", opt);
-
- if (olen > 2) {
- GETCHAR(delay, p);
- printer(arg, " delay = %d", delay);
- }
-
- if (olen > 3) {
- int addrt;
- char str[256];
-
- GETCHAR(addrt, p);
- memcpy(str, p, olen - 4);
- str[olen - 4] = 0;
- printer(arg, " number = %s", str);
- }
- printer(arg, ">");
- break;
- }
-
- default:
- break;
- }
-
- for (; len > 0; --len) {
- GETCHAR(code, p);
- printer(arg, " %.2x", code);
- }
-
- return p - pstart;
-}
-
-/* received CBCP request */
-static void
-cbcp_recvreq(us, pckt, pcktlen)
- cbcp_state *us;
- char *pckt;
- int pcktlen;
-{
- u_char type, opt_len, delay, addr_type;
- char address[256];
- int len = pcktlen;
-
- address[0] = 0;
-
- while (len) {
- syslog(LOG_DEBUG, "length: %d", len);
-
- GETCHAR(type, pckt);
- GETCHAR(opt_len, pckt);
-
- if (opt_len > 2)
- GETCHAR(delay, pckt);
-
- us->us_allowed |= (1 << type);
-
- switch(type) {
- case CB_CONF_NO:
- syslog(LOG_DEBUG, "no callback allowed");
- break;
-
- case CB_CONF_USER:
- syslog(LOG_DEBUG, "user callback allowed");
- if (opt_len > 4) {
- GETCHAR(addr_type, pckt);
- memcpy(address, pckt, opt_len - 4);
- address[opt_len - 4] = 0;
- if (address[0])
- syslog(LOG_DEBUG, "address: %s", address);
- }
- break;
-
- case CB_CONF_ADMIN:
- syslog(LOG_DEBUG, "user admin defined allowed");
- break;
-
- case CB_CONF_LIST:
- break;
- }
- len -= opt_len;
- }
-
- cbcp_resp(us);
-}
-
-static void
-cbcp_resp(us)
- cbcp_state *us;
-{
- u_char cb_type;
- u_char buf[256];
- u_char *bufp = buf;
- int len = 0;
-
- cb_type = us->us_allowed & us->us_type;
- syslog(LOG_DEBUG, "cbcp_resp cb_type=%d", cb_type);
-
-#if 0
- if (!cb_type)
- lcp_down(us->us_unit);
-#endif
-
- if (cb_type & ( 1 << CB_CONF_USER ) ) {
- syslog(LOG_DEBUG, "cbcp_resp CONF_USER");
- PUTCHAR(CB_CONF_USER, bufp);
- len = 3 + 1 + strlen(us->us_number) + 1;
- PUTCHAR(len , bufp);
- PUTCHAR(5, bufp); /* delay */
- PUTCHAR(1, bufp);
- BCOPY(us->us_number, bufp, strlen(us->us_number) + 1);
- cbcp_send(us, CBCP_RESP, buf, len);
- return;
- }
-
- if (cb_type & ( 1 << CB_CONF_ADMIN ) ) {
- syslog(LOG_DEBUG, "cbcp_resp CONF_ADMIN");
- PUTCHAR(CB_CONF_ADMIN, bufp);
- len = 3 + 1;
- PUTCHAR(len , bufp);
- PUTCHAR(5, bufp); /* delay */
- PUTCHAR(0, bufp);
- cbcp_send(us, CBCP_RESP, buf, len);
- return;
- }
-
- if (cb_type & ( 1 << CB_CONF_NO ) ) {
- syslog(LOG_DEBUG, "cbcp_resp CONF_NO");
- PUTCHAR(CB_CONF_NO, bufp);
- len = 3;
- PUTCHAR(len , bufp);
- PUTCHAR(0, bufp);
- cbcp_send(us, CBCP_RESP, buf, len);
- (*ipcp_protent.open)(us->us_unit);
- return;
- }
-}
-
-static void
-cbcp_send(us, code, buf, len)
- cbcp_state *us;
- u_char code;
- u_char *buf;
- int len;
-{
- u_char *outp;
- int outlen;
-
- outp = outpacket_buf;
-
- outlen = 4 + len;
-
- MAKEHEADER(outp, PPP_CBCP);
-
- PUTCHAR(code, outp);
- PUTCHAR(us->us_id, outp);
- PUTSHORT(outlen, outp);
-
- if (len)
- BCOPY(buf, outp, len);
-
- output(us->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
-}
-
-static void
-cbcp_recvack(us, pckt, len)
- cbcp_state *us;
- char *pckt;
- int len;
-{
- u_char type, delay, addr_type;
- int opt_len;
- char address[256];
-
- if (len) {
- GETCHAR(type, pckt);
- GETCHAR(opt_len, pckt);
-
- if (opt_len > 2)
- GETCHAR(delay, pckt);
-
- if (opt_len > 4) {
- GETCHAR(addr_type, pckt);
- memcpy(address, pckt, opt_len - 4);
- address[opt_len - 4] = 0;
- if (address[0])
- syslog(LOG_DEBUG, "peer will call: %s", address);
- }
- }
-
- cbcp_up(us);
-}
-
-extern int persist;
-
-/* ok peer will do callback */
-static void
-cbcp_up(us)
- cbcp_state *us;
-{
- persist = 0;
- lcp_close(0, "Call me back, please");
-}
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