*/
#ifndef lint
-static char rcsid[] = "$Id: lcp.c,v 1.32 1998/05/13 05:49:19 paulus Exp $";
+static char rcsid[] = "$Id: lcp.c,v 1.34 1999/02/26 10:34:47 paulus Exp $";
#endif
/*
#include <stdio.h>
#include <string.h>
+#include <stdlib.h>
#include <syslog.h>
#include <assert.h>
#include <sys/ioctl.h>
#include "chap.h"
#include "magic.h"
+/*
+ * LCP-related command-line options.
+ */
+int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
+int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
+
+static int setescape __P((char **));
+
+static option_t lcp_option_list[] = {
+ /* LCP options */
+ { "noaccomp", o_bool, &lcp_wantoptions[0].neg_accompression,
+ "Disable address/control compression",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_accompression },
+ { "-ac", o_bool, &lcp_wantoptions[0].neg_accompression,
+ "Disable address/control compression",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_accompression },
+ { "default-asyncmap", o_bool, &lcp_wantoptions[0].neg_asyncmap,
+ "Disable asyncmap negotiation",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_asyncmap },
+ { "-am", o_bool, &lcp_wantoptions[0].neg_asyncmap,
+ "Disable asyncmap negotiation",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_asyncmap },
+ { "asyncmap", o_uint32, &lcp_wantoptions[0].asyncmap,
+ "Set asyncmap (for received packets)",
+ OPT_OR, &lcp_wantoptions[0].neg_asyncmap },
+ { "-as", o_uint32, &lcp_wantoptions[0].asyncmap,
+ "Set asyncmap (for received packets)",
+ OPT_OR, &lcp_wantoptions[0].neg_asyncmap },
+ { "nomagicnumber", o_bool, &lcp_wantoptions[0].neg_magicnumber,
+ "Disable magic number negotiation (looped-back line detection)",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_magicnumber },
+ { "-mn", o_bool, &lcp_wantoptions[0].neg_magicnumber,
+ "Disable magic number negotiation (looped-back line detection)",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_magicnumber },
+ { "default-mru", o_bool, &lcp_wantoptions[0].neg_mru,
+ "Disable MRU negotiation (use default 1500)",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_mru },
+ { "-mru", o_bool, &lcp_wantoptions[0].neg_mru,
+ "Disable MRU negotiation (use default 1500)",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_mru },
+ { "mru", o_int, &lcp_wantoptions[0].mru,
+ "Set MRU (maximum received packet size) for negotiation",
+ 0, &lcp_wantoptions[0].neg_mru },
+ { "nopcomp", o_bool, &lcp_wantoptions[0].neg_pcompression,
+ "Disable protocol field compression",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_pcompression },
+ { "-pc", o_bool, &lcp_wantoptions[0].neg_pcompression,
+ "Disable protocol field compression",
+ OPT_A2COPY, &lcp_allowoptions[0].neg_pcompression },
+ { "-p", o_bool, &lcp_wantoptions[0].passive,
+ "Set passive mode", 1 },
+ { "passive", o_bool, &lcp_wantoptions[0].passive,
+ "Set passive mode", 1 },
+ { "silent", o_bool, &lcp_wantoptions[0].silent,
+ "Set silent mode", 1 },
+ { "escape", o_special, setescape,
+ "List of character codes to escape on transmission" },
+ { "lcp-echo-failure", o_int, &lcp_echo_fails,
+ "Set number of consecutive echo failures to indicate link failure" },
+ { "lcp-echo-interval", o_int, &lcp_echo_interval,
+ "Set time in seconds between LCP echo requests" },
+ { "lcp-restart", o_int, &lcp_fsm[0].timeouttime,
+ "Set time in seconds between LCP retransmissions" },
+ { "lcp-max-terminate", o_int, &lcp_fsm[0].maxtermtransmits,
+ "Set maximum number of LCP terminate-request transmissions" },
+ { "lcp-max-configure", o_int, &lcp_fsm[0].maxconfreqtransmits,
+ "Set maximum number of LCP configure-request transmissions" },
+ { "lcp-max-failure", o_int, &lcp_fsm[0].maxnakloops,
+ "Set limit on number of LCP configure-naks" },
+ {NULL}
+};
+
/* global vars */
fsm lcp_fsm[NUM_PPP]; /* LCP fsm structure (global)*/
lcp_options lcp_wantoptions[NUM_PPP]; /* Options that we want to request */
NULL,
1,
"LCP",
+ lcp_option_list,
NULL,
NULL,
NULL
(x) == CONFNAK ? "NAK" : "REJ")
+/*
+ * setescape - add chars to the set we escape on transmission.
+ */
+static int
+setescape(argv)
+ char **argv;
+{
+ int n, ret;
+ char *p, *endp;
+
+ p = *argv;
+ ret = 1;
+ while (*p) {
+ n = strtol(p, &endp, 16);
+ if (p == endp) {
+ option_error("escape parameter contains invalid hex number '%s'",
+ p);
+ return 0;
+ }
+ p = endp;
+ if (n < 0 || n == 0x5E || n > 0xFF) {
+ option_error("can't escape character 0x%x", n);
+ ret = 0;
+ } else
+ xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
+ while (*p == ',' || *p == ' ')
+ ++p;
+ }
+ return ret;
+}
+
/*
* lcp_init - Initialize LCP.
*/