NetBSD/sbin/pppoectl/pppoectl.c

464 lines
13 KiB
C

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