464 lines
13 KiB
C
464 lines
13 KiB
C
/* $NetBSD: pppoectl.c,v 1.5 2002/01/07 12:22:02 martin Exp $ */
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/*
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* Copyright (c) 1997 Joerg Wunsch
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* From: spppcontrol.c,v 1.3 1998/01/07 07:55:26 charnier Exp
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* From: ispppcontrol
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*/
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#include <sys/param.h>
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#include <sys/callout.h>
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#include <sys/ioctl.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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#include <net/if_sppp.h>
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#include <net/if_pppoe.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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static void usage(void);
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static void print_error(const char *ifname, int error, const char * str);
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static void print_vals(const char *ifname, int phase, struct spppauthcfg *sp,
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int lcp_timeout, time_t idle_timeout, int authfailures,
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int max_auth_failures);
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const char *phase_name(int phase);
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const char *proto_name(int proto);
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const char *authflags(int flags);
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int hz = 0;
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int
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main(int argc, char **argv)
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{
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int s, c;
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int errs = 0, verbose = 0, dump = 0;
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size_t off, len;
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const char *ifname, *cp;
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const char *eth_if_name, *access_concentrator, *service;
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struct spppauthcfg spr;
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struct sppplcpcfg lcp;
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struct spppstatus status;
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struct spppidletimeout timeout;
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struct spppauthfailurestats authfailstats;
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struct spppauthfailuresettings authfailset;
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int mib[2];
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int set_auth = 0, set_lcp = 0, set_idle_to = 0, set_auth_failure = 0;
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struct clockinfo clockinfo;
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setprogname(argv[0]);
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eth_if_name = NULL;
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access_concentrator = NULL;
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service = NULL;
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while ((c = getopt(argc, argv, "vde:s:a:")) != -1)
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switch (c) {
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case 'v':
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verbose++;
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break;
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case 'd':
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dump++;
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break;
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case 'e':
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eth_if_name = optarg;
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break;
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case 's':
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service = optarg;
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break;
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case 'a':
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access_concentrator = optarg;
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break;
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default:
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errs++;
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break;
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}
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argv += optind;
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argc -= optind;
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if (errs || argc < 1)
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usage();
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ifname = argv[0];
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/* use a random AF to create the socket */
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
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err(EX_UNAVAILABLE, "ifconfig: socket");
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argc--;
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argv++;
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if (eth_if_name) {
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struct pppoediscparms parms;
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int e;
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memset(&parms, 0, sizeof parms);
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strncpy(parms.ifname, ifname, sizeof(parms.ifname));
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strncpy(parms.eth_ifname, eth_if_name, sizeof(parms.eth_ifname));
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if (access_concentrator) {
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parms.ac_name = (char*)access_concentrator;
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parms.ac_name_len = strlen(access_concentrator);
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}
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if (service) {
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parms.service_name = (char*)service;
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parms.service_name_len = strlen(service);
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}
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e = ioctl(s, PPPOESETPARMS, &parms);
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if (e)
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print_error(ifname, e, "PPPOESETPARMS");
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return 0;
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}
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if (dump) {
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/* dump PPPoE session state */
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struct pppoeconnectionstate state;
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int e;
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memset(&state, 0, sizeof state);
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strncpy(state.ifname, ifname, sizeof state.ifname);
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e = ioctl(s, PPPOEGETSESSION, &state);
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if (e)
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print_error(ifname, e, "PPPOEGETSESSION,");
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printf("%s:\tstate = ", ifname);
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switch(state.state) {
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case PPPOE_STATE_INITIAL:
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printf("initial\n"); break;
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case PPPOE_STATE_PADI_SENT:
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printf("PADI sent\n"); break;
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case PPPOE_STATE_PADR_SENT:
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printf("PADR sent\n"); break;
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case PPPOE_STATE_SESSION:
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printf("session\n"); break;
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case PPPOE_STATE_CLOSING:
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printf("closing\n"); break;
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}
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printf("\tSession ID: 0x%x\n", state.session_id);
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printf("\tPADI retries: %d\n", state.padi_retry_no);
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printf("\tPADR retries: %d\n", state.padr_retry_no);
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return 0;
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}
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memset(&spr, 0, sizeof spr);
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strncpy(spr.ifname, ifname, sizeof spr.ifname);
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memset(&lcp, 0, sizeof lcp);
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strncpy(lcp.ifname, ifname, sizeof lcp.ifname);
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memset(&status, 0, sizeof status);
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strncpy(status.ifname, ifname, sizeof status.ifname);
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memset(&timeout, 0, sizeof timeout);
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strncpy(timeout.ifname, ifname, sizeof timeout.ifname);
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memset(&authfailstats, 0, sizeof &authfailstats);
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strncpy(authfailstats.ifname, ifname, sizeof authfailstats.ifname);
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memset(&authfailset, 0, sizeof authfailset);
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strncpy(authfailset.ifname, ifname, sizeof authfailset.ifname);
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mib[0] = CTL_KERN;
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mib[1] = KERN_CLOCKRATE;
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len = sizeof(clockinfo);
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if(sysctl(mib, 2, &clockinfo, &len, NULL, 0) == -1)
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{
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fprintf(stderr, "error, cannot sysctl kern.clockrate!\n");
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exit(1);
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}
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hz = clockinfo.hz;
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if (argc == 0) {
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/* list only mode */
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/* first pass, get name lenghts */
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if (ioctl(s, SPPPGETAUTHCFG, &spr) == -1)
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err(EX_OSERR, "SPPPGETAUTHCFG");
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/* now allocate buffers for strings */
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if (spr.myname_length)
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spr.myname = malloc(spr.myname_length);
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if (spr.hisname_length)
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spr.hisname = malloc(spr.hisname_length);
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/* second pass: get names too */
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if (ioctl(s, SPPPGETAUTHCFG, &spr) == -1)
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err(EX_OSERR, "SPPPGETAUTHCFG");
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if (ioctl(s, SPPPGETLCPCFG, &lcp) == -1)
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err(EX_OSERR, "SPPPGETLCPCFG");
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if (ioctl(s, SPPPGETSTATUS, &status) == -1)
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err(EX_OSERR, "SPPPGETSTATUS");
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if (ioctl(s, SPPPGETIDLETO, &timeout) == -1)
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err(EX_OSERR, "SPPPGETIDLETO");
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if (ioctl(s, SPPPGETAUTHFAILURES, &authfailstats) == -1)
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err(EX_OSERR, "SPPPGETAUTHFAILURES");
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print_vals(ifname, status.phase, &spr, lcp.lcp_timeout, timeout.idle_seconds, authfailstats.auth_failures, authfailstats.max_failures);
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if (spr.hisname) free(spr.hisname);
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if (spr.myname) free(spr.myname);
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return 0;
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}
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#define startswith(s) strncmp(argv[0], s, (off = strlen(s))) == 0
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while (argc > 0) {
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if (startswith("authproto=")) {
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cp = argv[0] + off;
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if (strcmp(cp, "pap") == 0)
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spr.myauth =
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spr.hisauth = SPPP_AUTHPROTO_PAP;
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else if (strcmp(cp, "chap") == 0)
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spr.myauth = spr.hisauth = SPPP_AUTHPROTO_CHAP;
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else if (strcmp(cp, "none") == 0)
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spr.myauth = spr.hisauth = SPPP_AUTHPROTO_NONE;
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else
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errx(EX_DATAERR, "bad auth proto: %s", cp);
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set_auth = 1;
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} else if (startswith("myauthproto=")) {
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cp = argv[0] + off;
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if (strcmp(cp, "pap") == 0)
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spr.myauth = SPPP_AUTHPROTO_PAP;
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else if (strcmp(cp, "chap") == 0)
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spr.myauth = SPPP_AUTHPROTO_CHAP;
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else if (strcmp(cp, "none") == 0)
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spr.myauth = SPPP_AUTHPROTO_NONE;
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else
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errx(EX_DATAERR, "bad auth proto: %s", cp);
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set_auth = 1;
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} else if (startswith("myauthname=")) {
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spr.myname = argv[0] + off;
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spr.myname_length = strlen(spr.myname)+1;
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set_auth = 1;
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} else if (startswith("myauthsecret=") || startswith("myauthkey=")) {
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spr.mysecret = argv[0] + off;
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spr.mysecret_length = strlen(spr.mysecret)+1;
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set_auth = 1;
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} else if (startswith("hisauthproto=")) {
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cp = argv[0] + off;
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if (strcmp(cp, "pap") == 0)
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spr.hisauth = SPPP_AUTHPROTO_PAP;
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else if (strcmp(cp, "chap") == 0)
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spr.hisauth = SPPP_AUTHPROTO_CHAP;
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else if (strcmp(cp, "none") == 0)
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spr.hisauth = SPPP_AUTHPROTO_NONE;
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else
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errx(EX_DATAERR, "bad auth proto: %s", cp);
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set_auth = 1;
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} else if (startswith("hisauthname=")) {
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spr.hisname = argv[0] + off;
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spr.hisname_length = strlen(spr.hisname)+1;
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set_auth = 1;
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} else if (startswith("hisauthsecret=") || startswith("hisauthkey=")) {
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spr.hissecret = argv[0] + off;
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spr.hissecret_length = strlen(spr.hissecret)+1;
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set_auth = 1;
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} else if (strcmp(argv[0], "callin") == 0)
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spr.hisauthflags |= SPPP_AUTHFLAG_NOCALLOUT;
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else if (strcmp(argv[0], "always") == 0)
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spr.hisauthflags &= ~SPPP_AUTHFLAG_NOCALLOUT;
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else if (strcmp(argv[0], "norechallenge") == 0)
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spr.hisauthflags |= SPPP_AUTHFLAG_NORECHALLENGE;
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else if (strcmp(argv[0], "rechallenge") == 0)
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spr.hisauthflags &= ~SPPP_AUTHFLAG_NORECHALLENGE;
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#ifndef __NetBSD__
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else if (strcmp(argv[0], "enable-vj") == 0)
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spr.defs.enable_vj = 1;
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else if (strcmp(argv[0], "disable-vj") == 0)
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spr.defs.enable_vj = 0;
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#endif
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else if (startswith("lcp-timeout=")) {
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int timeout_arg = atoi(argv[0]+off);
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if ((timeout_arg > 20000) || (timeout_arg <= 0))
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errx(EX_DATAERR, "bad lcp timeout value: %s",
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argv[0]+off);
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lcp.lcp_timeout = timeout_arg * hz / 1000;
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set_lcp = 1;
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} else if (startswith("idle-timeout=")) {
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timeout.idle_seconds = (time_t)atol(argv[0]+off);
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set_idle_to = 1;
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} else if (startswith("max-auth-failure=")) {
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authfailset.max_failures = atoi(argv[0]+off);
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set_auth_failure = 1;
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} else
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errx(EX_DATAERR, "bad parameter: \"%s\"", argv[0]);
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argv++;
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argc--;
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}
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if (set_auth) {
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if (ioctl(s, SPPPSETAUTHCFG, &spr) == -1)
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err(EX_OSERR, "SPPPSETAUTHCFG");
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}
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if (set_lcp) {
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if (ioctl(s, SPPPSETLCPCFG, &lcp) == -1)
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err(EX_OSERR, "SPPPSETLCPCFG");
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}
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if (set_idle_to) {
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if (ioctl(s, SPPPSETIDLETO, &timeout) == -1)
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err(EX_OSERR, "SPPPSETIDLETO");
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}
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if (set_auth_failure) {
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if (ioctl(s, SPPPSETAUTHFAILURE, &authfailset) == -1)
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err(EX_OSERR, "SPPPSETAUTHFAILURE");
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}
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if (verbose) {
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if (ioctl(s, SPPPGETAUTHFAILURES, &authfailstats) == -1)
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err(EX_OSERR, "SPPPGETAUTHFAILURES");
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print_vals(ifname, status.phase, &spr, lcp.lcp_timeout, timeout.idle_seconds, authfailstats.auth_failures, authfailstats.max_failures);
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}
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return 0;
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}
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static void
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usage(void)
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{
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const char * prog = getprogname();
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fprintf(stderr,
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"usage:\n"
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" %s [-v] ifname [{my|his}auth{proto|name|secret}=...] \\\n"
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" [callin] [always] [{no}rechallenge]\n"
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" to set authentication names, passwords\n"
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" and (optional) paramaters\n"
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" %s [-v] ifname lcp-timeout=ms|idle-timeout=s|max-auth-failure=count\n"
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" to set general parameters\n"
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" or\n"
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" %s -e ethernet-ifname ifname\n"
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" to connect an ethernet interface for PPPoE\n"
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" %s [-a access-concentrator-name] [-s service-name] ifname\n"
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" to specify (optional) data for PPPoE sessions\n"
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" %s -d ifname\n"
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" to dump the current PPPoE session state\n"
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, prog, prog, prog, prog, prog);
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exit(EX_USAGE);
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}
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static void
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print_vals(const char *ifname, int phase, struct spppauthcfg *sp, int lcp_timeout,
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time_t idle_timeout, int authfailures, int max_auth_failures)
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{
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#ifndef __NetBSD__
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time_t send, recv;
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#endif
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printf("%s:\tphase=%s\n", ifname, phase_name(phase));
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if (sp->myauth) {
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printf("\tmyauthproto=%s myauthname=\"%s\"\n",
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proto_name(sp->myauth),
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sp->myname);
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}
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if (sp->hisauth) {
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printf("\thisauthproto=%s hisauthname=\"%s\"%s\n",
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proto_name(sp->hisauth),
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sp->hisname,
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authflags(sp->hisauthflags));
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}
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#ifndef __NetBSD__
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if (sp->defs.pp_phase > PHASE_DEAD) {
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send = time(NULL) - sp->defs.pp_last_sent;
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recv = time(NULL) - sp->defs.pp_last_recv;
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printf("\tidle_time=%ld\n", (send<recv)? send : recv);
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}
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#endif
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printf("\tlcp timeout: %.3f s\n",
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(double)lcp_timeout / hz);
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if (idle_timeout != 0)
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printf("\tidle timeout = %lu s\n", (unsigned long)idle_timeout);
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else
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printf("\tidle timeout = disabled\n");
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if (authfailures != 0)
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printf("\tauthentication failures = %d\n", authfailures);
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printf("\tmax-auth-failure = %d\n", max_auth_failures);
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#ifndef __NetBSD__
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printf("\tenable_vj: %s\n",
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sp->defs.enable_vj ? "on" : "off");
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#endif
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}
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const char *
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phase_name(int phase)
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{
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switch (phase) {
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case SPPP_PHASE_DEAD: return "dead";
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case SPPP_PHASE_ESTABLISH: return "establish";
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case SPPP_PHASE_TERMINATE: return "terminate";
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case SPPP_PHASE_AUTHENTICATE: return "authenticate";
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case SPPP_PHASE_NETWORK: return "network";
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}
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return "illegal";
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}
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const char *
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proto_name(int proto)
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{
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static char buf[12];
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switch (proto) {
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case SPPP_AUTHPROTO_PAP: return "pap";
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case SPPP_AUTHPROTO_CHAP: return "chap";
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case SPPP_AUTHPROTO_NONE: return "none";
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}
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sprintf(buf, "0x%x", (unsigned)proto);
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return buf;
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}
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const char *
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authflags(int flags)
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{
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static char buf[32];
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buf[0] = '\0';
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if (flags & SPPP_AUTHFLAG_NOCALLOUT)
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strcat(buf, " callin");
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if (flags & SPPP_AUTHFLAG_NORECHALLENGE)
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strcat(buf, " norechallenge");
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return buf;
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}
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static void
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print_error(const char *ifname, int error, const char * str)
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{
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if (error == -1)
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fprintf(stderr, "%s: interface not found\n", ifname);
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else
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fprintf(stderr, "%s: %s: %s\n", ifname, str, strerror(error));
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exit(EX_DATAERR);
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}
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