250920922b
than incrementing argv and decrementing argc. Now individual functions can determine their caller. This also removes the "prefix" hack in FindExec().
1558 lines
45 KiB
C
1558 lines
45 KiB
C
/*
|
|
* PPP User command processing module
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*
|
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* Written by Toshiharu OHNO (tony-o@iij.ad.jp)
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*
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* Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
|
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* distribution and use acknowledge that the software was developed
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* by the Internet Initiative Japan, Inc. The name of the
|
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* IIJ may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: command.c,v 1.131.2.59 1998/04/11 21:50:44 brian Exp $
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*
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*/
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#include <sys/types.h>
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#include <netinet/in_systm.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <net/route.h>
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#include <netdb.h>
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#include <sys/un.h>
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#ifndef NOALIAS
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#include <alias.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <signal.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 <sys/wait.h>
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#include <termios.h>
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#include <unistd.h>
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|
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#include "command.h"
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#include "mbuf.h"
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#include "log.h"
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#include "defs.h"
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#include "timer.h"
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#include "fsm.h"
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#include "lcp.h"
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#include "iplist.h"
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#include "throughput.h"
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#include "slcompress.h"
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#include "ipcp.h"
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#include "modem.h"
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#ifndef NOALIAS
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#include "alias_cmd.h"
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#endif
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#include "lqr.h"
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#include "hdlc.h"
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#include "loadalias.h"
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#include "vars.h"
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#include "systems.h"
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#include "filter.h"
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#include "descriptor.h"
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#include "main.h"
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#include "route.h"
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#include "ccp.h"
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#include "auth.h"
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#include "async.h"
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#include "link.h"
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#include "physical.h"
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#include "mp.h"
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#include "bundle.h"
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#include "server.h"
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#include "prompt.h"
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#include "chat.h"
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#include "chap.h"
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#include "datalink.h"
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|
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static int ShowCommand(struct cmdargs const *);
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static int TerminalCommand(struct cmdargs const *);
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static int QuitCommand(struct cmdargs const *);
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static int CloseCommand(struct cmdargs const *);
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static int DownCommand(struct cmdargs const *);
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static int AllowCommand(struct cmdargs const *);
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static int SetCommand(struct cmdargs const *);
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static int LinkCommand(struct cmdargs const *);
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static int AddCommand(struct cmdargs const *);
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static int DeleteCommand(struct cmdargs const *);
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#ifndef NOALIAS
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static int AliasCommand(struct cmdargs const *);
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static int AliasEnable(struct cmdargs const *);
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static int AliasOption(struct cmdargs const *);
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#endif
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static int
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HelpCommand(struct cmdargs const *arg)
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{
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struct cmdtab const *cmd;
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int n, cmax, dmax, cols;
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if (!arg->prompt) {
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LogPrintf(LogWARN, "help: Cannot help without a prompt\n");
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return 0;
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}
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if (arg->argc > arg->argn) {
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for (cmd = arg->cmdtab; cmd->name || cmd->alias; cmd++)
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if ((cmd->lauth & arg->prompt->auth) &&
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((cmd->name && !strcasecmp(cmd->name, arg->argv[arg->argn])) ||
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(cmd->alias && !strcasecmp(cmd->alias, arg->argv[arg->argn])))) {
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prompt_Printf(arg->prompt, "%s\n", cmd->syntax);
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return 0;
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}
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return -1;
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}
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cmax = dmax = 0;
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for (cmd = arg->cmdtab; cmd->func; cmd++)
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if (cmd->name && (cmd->lauth & arg->prompt->auth)) {
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if ((n = strlen(cmd->name)) > cmax)
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cmax = n;
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if ((n = strlen(cmd->helpmes)) > dmax)
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dmax = n;
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}
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cols = 80 / (dmax + cmax + 3);
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n = 0;
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for (cmd = arg->cmdtab; cmd->func; cmd++)
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if (cmd->name && (cmd->lauth & arg->prompt->auth)) {
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prompt_Printf(arg->prompt, " %-*.*s: %-*.*s",
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cmax, cmax, cmd->name, dmax, dmax, cmd->helpmes);
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if (++n % cols == 0)
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prompt_Printf(arg->prompt, "\n");
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}
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if (n % cols != 0)
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prompt_Printf(arg->prompt, "\n");
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return 0;
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}
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static int
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CloneCommand(struct cmdargs const *arg)
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{
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int f;
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if (arg->argc == arg->argn)
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return -1;
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if (!arg->bundle->ncp.mp.active) {
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LogPrintf(LogWARN, "clone: Only available in multilink mode\n");
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return 1;
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}
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for (f = arg->argn; f < arg->argc; f++)
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bundle_DatalinkClone(arg->bundle, arg->cx, arg->argv[f]);
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return 0;
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}
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static int
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RemoveCommand(struct cmdargs const *arg)
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{
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if (arg->argc != arg->argn)
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return -1;
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if (!arg->bundle->ncp.mp.active) {
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LogPrintf(LogWARN, "remove: Only available in multilink mode\n");
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return 1;
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}
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if (arg->cx->state != DATALINK_CLOSED) {
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LogPrintf(LogWARN, "remove: Cannot delete links that aren't closed\n");
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return 2;
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}
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bundle_DatalinkRemove(arg->bundle, arg->cx);
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return 0;
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}
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int
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LoadCommand(struct cmdargs const *arg)
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{
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const char *name;
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if (arg->argc > arg->argn)
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name = arg->argv[arg->argn];
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else
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name = "default";
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if (!ValidSystem(name, arg->prompt, arg->bundle->phys_type)) {
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LogPrintf(LogERROR, "%s: Label not allowed\n", name);
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return 1;
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} else if (SelectSystem(arg->bundle, name, CONFFILE, arg->prompt) < 0) {
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LogPrintf(LogWARN, "%s: label not found.\n", name);
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return -1;
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} else
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SetLabel(arg->argc > arg->argn ? name : NULL);
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return 0;
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}
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int
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SaveCommand(struct cmdargs const *arg)
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{
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LogPrintf(LogWARN, "save command is not implemented (yet).\n");
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return 1;
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}
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static int
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DialCommand(struct cmdargs const *arg)
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{
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int res;
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if ((arg->cx && !(arg->cx->physical->type & (PHYS_MANUAL|PHYS_DEMAND)))
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|| (!arg->cx && (arg->bundle->phys_type & ~(PHYS_MANUAL|PHYS_DEMAND)))) {
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LogPrintf(LogWARN,
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"Manual dial is only available in auto and interactive mode\n");
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return 1;
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}
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if (arg->argc > arg->argn && (res = LoadCommand(arg)) != 0)
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return res;
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bundle_Open(arg->bundle, arg->cx ? arg->cx->name : NULL, PHYS_ALL);
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return 0;
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}
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static int
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ShellCommand(struct cmdargs const *arg, int bg)
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{
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const char *shell;
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pid_t shpid;
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int argc;
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char *argv[MAXARGS];
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#ifdef SHELL_ONLY_INTERACTIVELY
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/* we're only allowed to shell when we run ppp interactively */
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if (arg->prompt && arg->prompt->owner) {
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LogPrintf(LogWARN, "Can't start a shell from a network connection\n");
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return 1;
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}
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#endif
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if (arg->argc == arg->argn)
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if (!arg->prompt) {
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LogPrintf(LogWARN, "Can't start an interactive shell from"
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" a config file\n");
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return 1;
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} else if (arg->prompt->owner) {
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LogPrintf(LogWARN, "Can't start an interactive shell from"
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" a socket connection\n");
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return 1;
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} else if (bg) {
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LogPrintf(LogWARN, "Can only start an interactive shell in"
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" the foreground mode\n");
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return 1;
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}
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if ((shpid = fork()) == 0) {
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int dtablesize, i, fd;
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|
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if ((shell = getenv("SHELL")) == 0)
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shell = _PATH_BSHELL;
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TermTimerService();
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signal(SIGINT, SIG_DFL);
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signal(SIGQUIT, SIG_DFL);
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signal(SIGTERM, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGALRM, SIG_DFL);
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if (arg->prompt)
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fd = arg->prompt->fd_out;
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else if ((fd = open("/dev/null", O_RDWR)) == -1) {
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LogPrintf(LogALERT, "Failed to open /dev/null: %s\n", strerror(errno));
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exit(1);
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}
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for (i = 0; i < 3; i++)
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dup2(fd, i);
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for (dtablesize = getdtablesize(), i = 3; i < dtablesize; i++)
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close(i);
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setuid(geteuid());
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if (arg->argc > arg->argn) {
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/* substitute pseudo args */
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argv[0] = strdup(arg->argv[arg->argn]);
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for (argc = arg->argn+1; argc < arg->argc; argc++) {
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if (strcasecmp(arg->argv[argc], "HISADDR") == 0)
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argv[argc] = strdup(inet_ntoa(arg->bundle->ncp.ipcp.peer_ip));
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else if (strcasecmp(arg->argv[argc], "INTERFACE") == 0)
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argv[argc] = strdup(arg->bundle->ifname);
|
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else if (strcasecmp(arg->argv[argc], "MYADDR") == 0)
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argv[argc] = strdup(inet_ntoa(arg->bundle->ncp.ipcp.my_ip));
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else
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argv[argc] = strdup(arg->argv[argc]);
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}
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argv[argc] = NULL;
|
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if (bg) {
|
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pid_t p;
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|
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p = getpid();
|
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if (daemon(1, 1) == -1) {
|
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LogPrintf(LogERROR, "%d: daemon: %s\n", p, strerror(errno));
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exit(1);
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}
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} else if (arg->prompt)
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printf("ppp: Pausing until %s finishes\n", arg->argv[arg->argn]);
|
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execvp(argv[0], argv);
|
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} else {
|
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if (arg->prompt)
|
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printf("ppp: Pausing until %s finishes\n", shell);
|
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prompt_TtyOldMode(arg->prompt);
|
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execl(shell, shell, NULL);
|
|
}
|
|
|
|
LogPrintf(LogWARN, "exec() of %s failed\n",
|
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arg->argc > arg->argn ? arg->argv[arg->argn] : shell);
|
|
exit(255);
|
|
}
|
|
|
|
if (shpid == (pid_t) - 1)
|
|
LogPrintf(LogERROR, "Fork failed: %s\n", strerror(errno));
|
|
else {
|
|
int status;
|
|
waitpid(shpid, &status, 0);
|
|
}
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|
|
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if (arg->prompt && !arg->prompt->owner)
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prompt_TtyCommandMode(arg->prompt);
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|
|
return 0;
|
|
}
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|
|
static int
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BgShellCommand(struct cmdargs const *arg)
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{
|
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if (arg->argc == arg->argn)
|
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return -1;
|
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return ShellCommand(arg, 1);
|
|
}
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|
|
static int
|
|
FgShellCommand(struct cmdargs const *arg)
|
|
{
|
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return ShellCommand(arg, 0);
|
|
}
|
|
|
|
static struct cmdtab const Commands[] = {
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{"accept", NULL, AcceptCommand, LOCAL_AUTH,
|
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"accept option request", "accept option .."},
|
|
{"add", NULL, AddCommand, LOCAL_AUTH,
|
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"add route", "add dest mask gateway", NULL},
|
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{NULL, "add!", AddCommand, LOCAL_AUTH,
|
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"add or change route", "add! dest mask gateway", (void *)1},
|
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#ifndef NOALIAS
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{"alias", NULL, AliasCommand, LOCAL_AUTH,
|
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"alias control", "alias option [yes|no]"},
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#endif
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{"allow", "auth", AllowCommand, LOCAL_AUTH,
|
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"Allow ppp access", "allow users|modes ...."},
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{"bg", "!bg", BgShellCommand, LOCAL_AUTH,
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"Run a background command", "[!]bg command"},
|
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{"clone", NULL, CloneCommand, LOCAL_AUTH | LOCAL_CX,
|
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"Clone a link", "clone newname..."},
|
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{"close", NULL, CloseCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Close connection", "close"},
|
|
{"delete", NULL, DeleteCommand, LOCAL_AUTH,
|
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"delete route", "delete dest", NULL},
|
|
{NULL, "delete!", DeleteCommand, LOCAL_AUTH,
|
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"delete a route if it exists", "delete! dest", (void *)1},
|
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{"deny", NULL, DenyCommand, LOCAL_AUTH,
|
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"Deny option request", "deny option .."},
|
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{"dial", "call", DialCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Dial and login", "dial|call [remote]"},
|
|
{"disable", NULL, DisableCommand, LOCAL_AUTH,
|
|
"Disable option", "disable option .."},
|
|
{"display", NULL, DisplayCommand, LOCAL_AUTH,
|
|
"Display option configs", "display"},
|
|
{"down", NULL, DownCommand, LOCAL_AUTH | LOCAL_CX,
|
|
"Generate a down event", "down"},
|
|
{"enable", NULL, EnableCommand, LOCAL_AUTH,
|
|
"Enable option", "enable option .."},
|
|
{"link", "datalink", LinkCommand, LOCAL_AUTH,
|
|
"Link specific commands", "link name command ..."},
|
|
{"load", NULL, LoadCommand, LOCAL_AUTH,
|
|
"Load settings", "load [remote]"},
|
|
{"passwd", NULL, PasswdCommand, LOCAL_NO_AUTH,
|
|
"Password for manipulation", "passwd LocalPassword"},
|
|
{"quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Quit PPP program", "quit|bye [all]"},
|
|
{"remove", NULL, RemoveCommand, LOCAL_AUTH | LOCAL_CX,
|
|
"Remove a link", "remove"},
|
|
{"save", NULL, SaveCommand, LOCAL_AUTH,
|
|
"Save settings", "save"},
|
|
{"set", "setup", SetCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set parameters", "set[up] var value"},
|
|
{"shell", "!", FgShellCommand, LOCAL_AUTH,
|
|
"Run a subshell", "shell|! [sh command]"},
|
|
{"show", NULL, ShowCommand, LOCAL_AUTH,
|
|
"Show status and stats", "show var"},
|
|
{"term", NULL, TerminalCommand, LOCAL_AUTH | LOCAL_CX,
|
|
"Enter terminal mode", "term"},
|
|
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", "help|? [command]", Commands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static int
|
|
ShowEscape(struct cmdargs const *arg)
|
|
{
|
|
if (arg->cx->physical->async.cfg.EscMap[32]) {
|
|
int code, bit;
|
|
char *sep = "";
|
|
|
|
for (code = 0; code < 32; code++)
|
|
if (arg->cx->physical->async.cfg.EscMap[code])
|
|
for (bit = 0; bit < 8; bit++)
|
|
if (arg->cx->physical->async.cfg.EscMap[code] & (1 << bit)) {
|
|
prompt_Printf(arg->prompt, "%s0x%02x", sep, (code << 3) + bit);
|
|
sep = ", ";
|
|
}
|
|
prompt_Printf(arg->prompt, "\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ShowTimerList(struct cmdargs const *arg)
|
|
{
|
|
ShowTimers(0, arg->prompt);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ShowStopped(struct cmdargs const *arg)
|
|
{
|
|
prompt_Printf(arg->prompt, " Stopped Timer: LCP: ");
|
|
if (!arg->cx->physical->link.lcp.fsm.StoppedTimer.load)
|
|
prompt_Printf(arg->prompt, "Disabled");
|
|
else
|
|
prompt_Printf(arg->prompt, "%ld secs",
|
|
arg->cx->physical->link.lcp.fsm.StoppedTimer.load / SECTICKS);
|
|
|
|
prompt_Printf(arg->prompt, ", CCP: ");
|
|
if (!arg->cx->physical->link.ccp.fsm.StoppedTimer.load)
|
|
prompt_Printf(arg->prompt, "Disabled");
|
|
else
|
|
prompt_Printf(arg->prompt, "%ld secs",
|
|
arg->cx->physical->link.ccp.fsm.StoppedTimer.load / SECTICKS);
|
|
|
|
prompt_Printf(arg->prompt, "\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ShowVersion(struct cmdargs const *arg)
|
|
{
|
|
static char VarVersion[] = "PPP Version 2.0-beta";
|
|
static char VarLocalVersion[] = "$Date: 1998/04/11 21:50:44 $";
|
|
|
|
prompt_Printf(arg->prompt, "%s - %s \n", VarVersion, VarLocalVersion);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ShowProtocolStats(struct cmdargs const *arg)
|
|
{
|
|
struct link *l = ChooseLink(arg);
|
|
|
|
prompt_Printf(arg->prompt, "%s:\n", l->name);
|
|
link_ReportProtocolStatus(l, arg->prompt);
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifndef NOMSEXT
|
|
static int
|
|
ShowMSExt(struct cmdargs const *arg)
|
|
{
|
|
prompt_Printf(arg->prompt, " MS PPP extention values \n");
|
|
prompt_Printf(arg->prompt, " Primary NS : %s\n",
|
|
inet_ntoa(arg->bundle->ncp.ipcp.cfg.ns_entries[0]));
|
|
prompt_Printf(arg->prompt, " Secondary NS : %s\n",
|
|
inet_ntoa(arg->bundle->ncp.ipcp.cfg.ns_entries[1]));
|
|
prompt_Printf(arg->prompt, " Primary NBNS : %s\n",
|
|
inet_ntoa(arg->bundle->ncp.ipcp.cfg.nbns_entries[0]));
|
|
prompt_Printf(arg->prompt, " Secondary NBNS : %s\n",
|
|
inet_ntoa(arg->bundle->ncp.ipcp.cfg.nbns_entries[1]));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
static struct cmdtab const ShowCommands[] = {
|
|
{"bundle", NULL, bundle_ShowStatus, LOCAL_AUTH,
|
|
"Show bundle details", "show bundle"},
|
|
{"ccp", NULL, ccp_ReportStatus, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Show CCP status", "show cpp"},
|
|
{"compress", NULL, ReportCompress, LOCAL_AUTH,
|
|
"Show compression stats", "show compress"},
|
|
{"escape", NULL, ShowEscape, LOCAL_AUTH | LOCAL_CX,
|
|
"Show escape characters", "show escape"},
|
|
{"filter", NULL, ShowFilter, LOCAL_AUTH,
|
|
"Show packet filters", "show filter [in|out|dial|alive]"},
|
|
{"hdlc", NULL, hdlc_ReportStatus, LOCAL_AUTH | LOCAL_CX,
|
|
"Show HDLC errors", "show hdlc"},
|
|
{"ipcp", NULL, ReportIpcpStatus, LOCAL_AUTH,
|
|
"Show IPCP status", "show ipcp"},
|
|
{"lcp", NULL, lcp_ReportStatus, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Show LCP status", "show lcp"},
|
|
{"links", "link", bundle_ShowLinks, LOCAL_AUTH,
|
|
"Show available link names", "show links"},
|
|
{"log", NULL, log_ShowLevel, LOCAL_AUTH,
|
|
"Show log levels", "show log"},
|
|
{"mem", NULL, ShowMemMap, LOCAL_AUTH,
|
|
"Show memory map", "show mem"},
|
|
{"modem", NULL, modem_ShowStatus, LOCAL_AUTH | LOCAL_CX,
|
|
"Show modem setups", "show modem"},
|
|
#ifndef NOMSEXT
|
|
{"msext", NULL, ShowMSExt, LOCAL_AUTH,
|
|
"Show MS PPP extentions", "show msext"},
|
|
#endif
|
|
{"proto", NULL, ShowProtocolStats, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Show protocol summary", "show proto"},
|
|
{"route", NULL, ShowRoute, LOCAL_AUTH,
|
|
"Show routing table", "show route"},
|
|
{"stopped", NULL, ShowStopped, LOCAL_AUTH | LOCAL_CX,
|
|
"Show STOPPED timeout", "show stopped"},
|
|
{"timers", NULL, ShowTimerList, LOCAL_AUTH,
|
|
"Show alarm timers", "show timers"},
|
|
{"version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH,
|
|
"Show version string", "show version"},
|
|
{"who", NULL, log_ShowWho, LOCAL_AUTH,
|
|
"Show client list", "show who"},
|
|
{"help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH,
|
|
"Display this message", "show help|? [command]", ShowCommands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static struct cmdtab const *
|
|
FindCommand(struct cmdtab const *cmds, const char *str, int *pmatch)
|
|
{
|
|
int nmatch;
|
|
int len;
|
|
struct cmdtab const *found;
|
|
|
|
found = NULL;
|
|
len = strlen(str);
|
|
nmatch = 0;
|
|
while (cmds->func) {
|
|
if (cmds->name && strncasecmp(str, cmds->name, len) == 0) {
|
|
if (cmds->name[len] == '\0') {
|
|
*pmatch = 1;
|
|
return cmds;
|
|
}
|
|
nmatch++;
|
|
found = cmds;
|
|
} else if (cmds->alias && strncasecmp(str, cmds->alias, len) == 0) {
|
|
if (cmds->alias[len] == '\0') {
|
|
*pmatch = 1;
|
|
return cmds;
|
|
}
|
|
nmatch++;
|
|
found = cmds;
|
|
}
|
|
cmds++;
|
|
}
|
|
*pmatch = nmatch;
|
|
return found;
|
|
}
|
|
|
|
static const char *
|
|
mkPrefix(int argc, char const *const *argv, char *tgt, int sz)
|
|
{
|
|
int f, tlen, len;
|
|
|
|
tlen = 0;
|
|
for (f = 0; f < argc && tlen < sz - 2; f++) {
|
|
if (f)
|
|
tgt[tlen++] = ' ';
|
|
len = strlen(argv[f]);
|
|
if (len > sz - tlen - 1)
|
|
len = sz - tlen - 1;
|
|
strncpy(tgt+tlen, argv[f], len);
|
|
tlen += len;
|
|
}
|
|
tgt[tlen] = '\0';
|
|
return tgt;
|
|
}
|
|
|
|
static int
|
|
FindExec(struct bundle *bundle, struct cmdtab const *cmds, int argc, int argn,
|
|
char const *const *argv, struct prompt *prompt, struct datalink *cx)
|
|
{
|
|
struct cmdtab const *cmd;
|
|
int val = 1;
|
|
int nmatch;
|
|
struct cmdargs arg;
|
|
char prefix[100];
|
|
|
|
cmd = FindCommand(cmds, argv[argn], &nmatch);
|
|
if (nmatch > 1)
|
|
LogPrintf(LogWARN, "%s: Ambiguous command\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix));
|
|
else if (cmd && (!prompt || (cmd->lauth & prompt->auth))) {
|
|
if ((cmd->lauth & LOCAL_CX) && !cx)
|
|
/* We've got no context, but we require it */
|
|
cx = bundle2datalink(bundle, NULL);
|
|
|
|
if ((cmd->lauth & LOCAL_CX) && !cx)
|
|
LogPrintf(LogWARN, "%s: No context (use the `link' command)\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix));
|
|
else {
|
|
if (cx && !(cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
|
|
LogPrintf(LogWARN, "%s: Redundant context (%s) ignored\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix), cx->name);
|
|
cx = NULL;
|
|
}
|
|
arg.cmdtab = cmds;
|
|
arg.cmd = cmd;
|
|
arg.argc = argc;
|
|
arg.argn = argn+1;
|
|
arg.argv = argv;
|
|
arg.bundle = bundle;
|
|
arg.cx = cx;
|
|
arg.prompt = prompt;
|
|
val = (*cmd->func) (&arg);
|
|
}
|
|
} else
|
|
LogPrintf(LogWARN, "%s: Invalid command\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix));
|
|
|
|
if (val == -1)
|
|
LogPrintf(LogWARN, "Usage: %s\n", cmd->syntax);
|
|
else if (val)
|
|
LogPrintf(LogWARN, "%s: Failed %d\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix), val);
|
|
|
|
return val;
|
|
}
|
|
|
|
void
|
|
InterpretCommand(char *buff, int nb, int *argc, char ***argv)
|
|
{
|
|
static char *vector[MAXARGS];
|
|
char *cp;
|
|
|
|
if (nb > 0) {
|
|
cp = buff + strcspn(buff, "\r\n");
|
|
if (cp)
|
|
*cp = '\0';
|
|
*argc = MakeArgs(buff, vector, VECSIZE(vector));
|
|
*argv = vector;
|
|
} else
|
|
*argc = 0;
|
|
}
|
|
|
|
static int
|
|
arghidden(int argc, char const *const *argv, int n)
|
|
{
|
|
/* Is arg n of the given command to be hidden from the log ? */
|
|
|
|
/* set authkey xxxxx */
|
|
/* set key xxxxx */
|
|
if (n == 2 && !strncasecmp(argv[0], "se", 2) &&
|
|
(!strncasecmp(argv[1], "authk", 5) || !strncasecmp(argv[1], "ke", 2)))
|
|
return 1;
|
|
|
|
/* passwd xxxxx */
|
|
if (n == 1 && !strncasecmp(argv[0], "p", 1))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
RunCommand(struct bundle *bundle, int argc, char const *const *argv,
|
|
struct prompt *prompt, const char *label)
|
|
{
|
|
if (argc > 0) {
|
|
if (LogIsKept(LogCOMMAND)) {
|
|
static char buf[LINE_LEN];
|
|
int f, n;
|
|
|
|
*buf = '\0';
|
|
if (label) {
|
|
strncpy(buf, label, sizeof buf - 3);
|
|
buf[sizeof buf - 3] = '\0';
|
|
strcat(buf, ": ");
|
|
}
|
|
n = strlen(buf);
|
|
for (f = 0; f < argc; f++) {
|
|
if (n < sizeof buf - 1 && f)
|
|
buf[n++] = ' ';
|
|
if (arghidden(argc, argv, f))
|
|
strncpy(buf+n, "********", sizeof buf - n - 1);
|
|
else
|
|
strncpy(buf+n, argv[f], sizeof buf - n - 1);
|
|
n += strlen(buf+n);
|
|
}
|
|
LogPrintf(LogCOMMAND, "%s\n", buf);
|
|
}
|
|
FindExec(bundle, Commands, argc, 0, argv, prompt, NULL);
|
|
}
|
|
}
|
|
|
|
void
|
|
DecodeCommand(struct bundle *bundle, char *buff, int nb, struct prompt *prompt,
|
|
const char *label)
|
|
{
|
|
int argc;
|
|
char **argv;
|
|
|
|
InterpretCommand(buff, nb, &argc, &argv);
|
|
RunCommand(bundle, argc, (char const *const *)argv, prompt, label);
|
|
}
|
|
|
|
static int
|
|
ShowCommand(struct cmdargs const *arg)
|
|
{
|
|
if (!arg->prompt)
|
|
LogPrintf(LogWARN, "show: Cannot show without a prompt\n");
|
|
else if (arg->argc > arg->argn)
|
|
FindExec(arg->bundle, ShowCommands, arg->argc, arg->argn, arg->argv,
|
|
arg->prompt, arg->cx);
|
|
else
|
|
prompt_Printf(arg->prompt, "Use ``show ?'' to get a list.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
TerminalCommand(struct cmdargs const *arg)
|
|
{
|
|
if (!arg->prompt) {
|
|
LogPrintf(LogWARN, "term: Need a prompt\n");
|
|
return 1;
|
|
}
|
|
|
|
if (arg->cx->physical->link.lcp.fsm.state > ST_CLOSED) {
|
|
prompt_Printf(arg->prompt, "LCP state is [%s]\n",
|
|
State2Nam(arg->cx->physical->link.lcp.fsm.state));
|
|
return 1;
|
|
}
|
|
|
|
datalink_Up(arg->cx, 0, 0);
|
|
prompt_TtyTermMode(arg->prompt, arg->cx);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
QuitCommand(struct cmdargs const *arg)
|
|
{
|
|
if (!arg->prompt || prompt_IsController(arg->prompt) ||
|
|
(arg->argc > arg->argn && !strcasecmp(arg->argv[arg->argn], "all") &&
|
|
(arg->prompt->auth & LOCAL_AUTH)))
|
|
Cleanup(EX_NORMAL);
|
|
if (arg->prompt)
|
|
prompt_Destroy(arg->prompt, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
CloseCommand(struct cmdargs const *arg)
|
|
{
|
|
bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
DownCommand(struct cmdargs const *arg)
|
|
{
|
|
datalink_Down(arg->cx, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SetModemSpeed(struct cmdargs const *arg)
|
|
{
|
|
long speed;
|
|
char *end;
|
|
|
|
if (arg->argc > arg->argn && *arg->argv[arg->argn]) {
|
|
if (arg->argc > arg->argn+1) {
|
|
LogPrintf(LogWARN, "SetModemSpeed: Too many arguments");
|
|
return -1;
|
|
}
|
|
if (strcasecmp(arg->argv[arg->argn], "sync") == 0) {
|
|
Physical_SetSync(arg->cx->physical);
|
|
return 0;
|
|
}
|
|
end = NULL;
|
|
speed = strtol(arg->argv[arg->argn], &end, 10);
|
|
if (*end) {
|
|
LogPrintf(LogWARN, "SetModemSpeed: Bad argument \"%s\"",
|
|
arg->argv[arg->argn]);
|
|
return -1;
|
|
}
|
|
if (Physical_SetSpeed(arg->cx->physical, speed))
|
|
return 0;
|
|
LogPrintf(LogWARN, "%s: Invalid speed\n", arg->argv[arg->argn]);
|
|
} else
|
|
LogPrintf(LogWARN, "SetModemSpeed: No speed specified\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
SetStoppedTimeout(struct cmdargs const *arg)
|
|
{
|
|
struct link *l = &arg->cx->physical->link;
|
|
|
|
l->lcp.fsm.StoppedTimer.load = 0;
|
|
l->ccp.fsm.StoppedTimer.load = 0;
|
|
if (arg->argc <= arg->argn+2) {
|
|
if (arg->argc > arg->argn) {
|
|
l->lcp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn]) * SECTICKS;
|
|
if (arg->argc > arg->argn+1)
|
|
l->ccp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn+1]) * SECTICKS;
|
|
}
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
#define ismask(x) \
|
|
(*x == '0' && strlen(x) == 4 && strspn(x+1, "0123456789.") == 3)
|
|
|
|
static int
|
|
SetServer(struct cmdargs const *arg)
|
|
{
|
|
int res = -1;
|
|
|
|
if (arg->argc > arg->argn && arg->argc < arg->argn+4) {
|
|
const char *port, *passwd, *mask;
|
|
|
|
/* What's what ? */
|
|
port = arg->argv[arg->argn];
|
|
if (arg->argc == arg->argn + 2) {
|
|
passwd = arg->argv[arg->argn+1];
|
|
mask = NULL;
|
|
} else if (arg->argc == arg->argn + 3) {
|
|
passwd = arg->argv[arg->argn+1];
|
|
mask = arg->argv[arg->argn+2];
|
|
if (!ismask(mask))
|
|
return -1;
|
|
} else if (strcasecmp(port, "none") == 0) {
|
|
if (ServerClose(arg->bundle))
|
|
LogPrintf(LogPHASE, "Disabled server port.\n");
|
|
return 0;
|
|
} else
|
|
return -1;
|
|
|
|
strncpy(server.passwd, passwd, sizeof server.passwd - 1);
|
|
server.passwd[sizeof server.passwd - 1] = '\0';
|
|
|
|
if (*port == '/') {
|
|
mode_t imask;
|
|
|
|
if (mask != NULL) {
|
|
unsigned m;
|
|
|
|
if (sscanf(mask, "%o", &m) == 1)
|
|
imask = m;
|
|
else
|
|
return -1;
|
|
} else
|
|
imask = (mode_t)-1;
|
|
res = ServerLocalOpen(arg->bundle, port, imask);
|
|
} else {
|
|
int iport;
|
|
|
|
if (mask != NULL)
|
|
return -1;
|
|
|
|
if (strspn(port, "0123456789") != strlen(port)) {
|
|
struct servent *s;
|
|
|
|
if ((s = getservbyname(port, "tcp")) == NULL) {
|
|
iport = 0;
|
|
LogPrintf(LogWARN, "%s: Invalid port or service\n", port);
|
|
} else
|
|
iport = ntohs(s->s_port);
|
|
} else
|
|
iport = atoi(port);
|
|
res = iport ? ServerTcpOpen(arg->bundle, iport) : -1;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int
|
|
SetModemParity(struct cmdargs const *arg)
|
|
{
|
|
return arg->argc > arg->argn ? modem_SetParity(arg->cx->physical,
|
|
arg->argv[arg->argn]) : -1;
|
|
}
|
|
|
|
static int
|
|
SetEscape(struct cmdargs const *arg)
|
|
{
|
|
int code;
|
|
int argc = arg->argc - arg->argn;
|
|
char const *const *argv = arg->argv + arg->argn;
|
|
|
|
for (code = 0; code < 33; code++)
|
|
arg->cx->physical->async.cfg.EscMap[code] = 0;
|
|
|
|
while (argc-- > 0) {
|
|
sscanf(*argv++, "%x", &code);
|
|
code &= 0xff;
|
|
arg->cx->physical->async.cfg.EscMap[code >> 3] |= (1 << (code & 7));
|
|
arg->cx->physical->async.cfg.EscMap[32] = 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct in_addr
|
|
GetIpAddr(const char *cp)
|
|
{
|
|
struct hostent *hp;
|
|
struct in_addr ipaddr;
|
|
|
|
if (inet_aton(cp, &ipaddr) == 0) {
|
|
hp = gethostbyname(cp);
|
|
if (hp && hp->h_addrtype == AF_INET)
|
|
memcpy(&ipaddr, hp->h_addr, hp->h_length);
|
|
else
|
|
ipaddr.s_addr = 0;
|
|
}
|
|
return (ipaddr);
|
|
}
|
|
|
|
static int
|
|
SetInterfaceAddr(struct cmdargs const *arg)
|
|
{
|
|
struct ipcp *ipcp = &arg->bundle->ncp.ipcp;
|
|
const char *hisaddr;
|
|
|
|
hisaddr = NULL;
|
|
ipcp->cfg.my_range.ipaddr.s_addr = INADDR_ANY;
|
|
ipcp->cfg.peer_range.ipaddr.s_addr = INADDR_ANY;
|
|
|
|
if (arg->argc > arg->argn + 4)
|
|
return -1;
|
|
|
|
ipcp->cfg.HaveTriggerAddress = 0;
|
|
ipcp->cfg.netmask.s_addr = INADDR_ANY;
|
|
iplist_reset(&ipcp->cfg.peer_list);
|
|
|
|
if (arg->argc > arg->argn) {
|
|
if (!ParseAddr(ipcp, arg->argc - arg->argn, arg->argv + arg->argn,
|
|
&ipcp->cfg.my_range.ipaddr, &ipcp->cfg.my_range.mask,
|
|
&ipcp->cfg.my_range.width))
|
|
return 1;
|
|
if (arg->argc > arg->argn+1) {
|
|
hisaddr = arg->argv[arg->argn+1];
|
|
if (arg->argc > arg->argn+2) {
|
|
ipcp->cfg.netmask = GetIpAddr(arg->argv[arg->argn+2]);
|
|
if (arg->argc > arg->argn+3) {
|
|
ipcp->cfg.TriggerAddress = GetIpAddr(arg->argv[arg->argn+3]);
|
|
ipcp->cfg.HaveTriggerAddress = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* For backwards compatibility, 0.0.0.0 means any address.
|
|
*/
|
|
if (ipcp->cfg.my_range.ipaddr.s_addr == INADDR_ANY) {
|
|
ipcp->cfg.my_range.mask.s_addr = INADDR_ANY;
|
|
ipcp->cfg.my_range.width = 0;
|
|
}
|
|
ipcp->my_ip.s_addr = ipcp->cfg.my_range.ipaddr.s_addr;
|
|
|
|
if (ipcp->cfg.peer_range.ipaddr.s_addr == INADDR_ANY) {
|
|
ipcp->cfg.peer_range.mask.s_addr = INADDR_ANY;
|
|
ipcp->cfg.peer_range.width = 0;
|
|
}
|
|
|
|
if (hisaddr &&
|
|
!UseHisaddr(arg->bundle, hisaddr, arg->bundle->phys_type & PHYS_DEMAND))
|
|
return 4;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef NOMSEXT
|
|
|
|
static void
|
|
SetMSEXT(struct ipcp *ipcp, struct in_addr * pri_addr,
|
|
struct in_addr * sec_addr, int argc, char const *const *argv)
|
|
{
|
|
int dummyint;
|
|
struct in_addr dummyaddr;
|
|
|
|
pri_addr->s_addr = sec_addr->s_addr = 0L;
|
|
|
|
if (argc > 0) {
|
|
ParseAddr(ipcp, argc, argv++, pri_addr, &dummyaddr, &dummyint);
|
|
if (--argc > 0)
|
|
ParseAddr(ipcp, argc, argv++, sec_addr, &dummyaddr, &dummyint);
|
|
else
|
|
sec_addr->s_addr = pri_addr->s_addr;
|
|
}
|
|
|
|
/*
|
|
* if the primary/secondary ns entries are 0.0.0.0 we should set them to
|
|
* either the localhost's ip, or the values in /etc/resolv.conf ??
|
|
*
|
|
* up to you if you want to implement this...
|
|
*/
|
|
|
|
}
|
|
|
|
static int
|
|
SetNS(struct cmdargs const *arg)
|
|
{
|
|
SetMSEXT(&arg->bundle->ncp.ipcp, &arg->bundle->ncp.ipcp.cfg.ns_entries[0],
|
|
&arg->bundle->ncp.ipcp.cfg.ns_entries[1], arg->argc - arg->argn,
|
|
arg->argv + arg->argn);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SetNBNS(struct cmdargs const *arg)
|
|
{
|
|
SetMSEXT(&arg->bundle->ncp.ipcp, &arg->bundle->ncp.ipcp.cfg.nbns_entries[0],
|
|
&arg->bundle->ncp.ipcp.cfg.nbns_entries[1], arg->argc - arg->argn,
|
|
arg->argv + arg->argn);
|
|
return 0;
|
|
}
|
|
|
|
#endif /* MS_EXT */
|
|
|
|
static int
|
|
SetVariable(struct cmdargs const *arg)
|
|
{
|
|
u_long ulong_val;
|
|
const char *argp;
|
|
int param = (int)arg->cmd->args;
|
|
struct datalink *cx = arg->cx; /* AUTH_CX uses this */
|
|
const char *err = NULL;
|
|
struct link *l = ChooseLink(arg); /* AUTH_CX_OPT uses this */
|
|
|
|
if (arg->argc > arg->argn)
|
|
argp = arg->argv[arg->argn];
|
|
else
|
|
argp = "";
|
|
|
|
if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
|
|
LogPrintf(LogWARN, "set %s: No context (use the `link' command)\n",
|
|
arg->cmd->name);
|
|
return 1;
|
|
} else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
|
|
LogPrintf(LogWARN, "set %s: Redundant context (%s) ignored\n",
|
|
arg->cmd->name, cx->name);
|
|
cx = NULL;
|
|
}
|
|
|
|
switch (param) {
|
|
case VAR_AUTHKEY:
|
|
if (bundle_Phase(arg->bundle) == PHASE_DEAD) {
|
|
strncpy(arg->bundle->cfg.auth.key, argp,
|
|
sizeof arg->bundle->cfg.auth.key - 1);
|
|
arg->bundle->cfg.auth.key[sizeof arg->bundle->cfg.auth.key - 1] = '\0';
|
|
} else {
|
|
err = "set authkey: Only available at phase DEAD\n";
|
|
LogPrintf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_AUTHNAME:
|
|
if (bundle_Phase(arg->bundle) == PHASE_DEAD) {
|
|
strncpy(arg->bundle->cfg.auth.name, argp,
|
|
sizeof arg->bundle->cfg.auth.name - 1);
|
|
arg->bundle->cfg.auth.name[sizeof arg->bundle->cfg.auth.name - 1] = '\0';
|
|
} else {
|
|
err = "set authname: Only available at phase DEAD\n";
|
|
LogPrintf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_DIAL:
|
|
strncpy(cx->cfg.script.dial, argp, sizeof cx->cfg.script.dial - 1);
|
|
cx->cfg.script.dial[sizeof cx->cfg.script.dial - 1] = '\0';
|
|
break;
|
|
case VAR_LOGIN:
|
|
strncpy(cx->cfg.script.login, argp, sizeof cx->cfg.script.login - 1);
|
|
cx->cfg.script.login[sizeof cx->cfg.script.login - 1] = '\0';
|
|
break;
|
|
case VAR_WINSIZE:
|
|
if (arg->argc > arg->argn) {
|
|
l->ccp.cfg.deflate.out.winsize = atoi(arg->argv[arg->argn]);
|
|
if (l->ccp.cfg.deflate.out.winsize < 8 ||
|
|
l->ccp.cfg.deflate.out.winsize > 15) {
|
|
LogPrintf(LogWARN, "%d: Invalid outgoing window size\n",
|
|
l->ccp.cfg.deflate.out.winsize);
|
|
l->ccp.cfg.deflate.out.winsize = 15;
|
|
}
|
|
if (arg->argc > arg->argn+1) {
|
|
l->ccp.cfg.deflate.in.winsize = atoi(arg->argv[arg->argn+1]);
|
|
if (l->ccp.cfg.deflate.in.winsize < 8 ||
|
|
l->ccp.cfg.deflate.in.winsize > 15) {
|
|
LogPrintf(LogWARN, "%d: Invalid incoming window size\n",
|
|
l->ccp.cfg.deflate.in.winsize);
|
|
l->ccp.cfg.deflate.in.winsize = 15;
|
|
}
|
|
} else
|
|
l->ccp.cfg.deflate.in.winsize = 0;
|
|
} else {
|
|
err = "No window size specified\n";
|
|
LogPrintf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_DEVICE:
|
|
Physical_SetDeviceList(cx->physical, arg->argc - arg->argn,
|
|
arg->argv + arg->argn);
|
|
break;
|
|
case VAR_ACCMAP:
|
|
if (arg->argc > arg->argn) {
|
|
sscanf(argp, "%lx", &ulong_val);
|
|
cx->physical->link.lcp.cfg.accmap = ulong_val;
|
|
} else {
|
|
err = "No accmap specified\n";
|
|
LogPrintf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_MRU:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val < MIN_MRU)
|
|
err = "Given MRU value (%lu) is too small.\n";
|
|
else if (ulong_val > MAX_MRU)
|
|
err = "Given MRU value (%lu) is too big.\n";
|
|
else
|
|
l->lcp.cfg.mru = ulong_val;
|
|
if (err)
|
|
LogPrintf(LogWARN, err, ulong_val);
|
|
break;
|
|
case VAR_MTU:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val == 0)
|
|
l->lcp.cfg.mtu = 0;
|
|
else if (ulong_val < MIN_MTU)
|
|
err = "Given MTU value (%lu) is too small.\n";
|
|
else if (ulong_val > MAX_MTU)
|
|
err = "Given MTU value (%lu) is too big.\n";
|
|
else
|
|
l->lcp.cfg.mtu = ulong_val;
|
|
if (err)
|
|
LogPrintf(LogWARN, err, ulong_val);
|
|
break;
|
|
case VAR_OPENMODE:
|
|
if (strcasecmp(argp, "active") == 0)
|
|
cx->physical->link.lcp.cfg.openmode = arg->argc > arg->argn+1 ?
|
|
atoi(arg->argv[arg->argn+1]) : 1;
|
|
else if (strcasecmp(argp, "passive") == 0)
|
|
cx->physical->link.lcp.cfg.openmode = OPEN_PASSIVE;
|
|
else {
|
|
err = "%s: Invalid openmode\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
}
|
|
break;
|
|
case VAR_PHONE:
|
|
strncpy(cx->cfg.phone.list, argp, sizeof cx->cfg.phone.list - 1);
|
|
cx->cfg.phone.list[sizeof cx->cfg.phone.list - 1] = '\0';
|
|
break;
|
|
case VAR_HANGUP:
|
|
strncpy(cx->cfg.script.hangup, argp, sizeof cx->cfg.script.hangup - 1);
|
|
cx->cfg.script.hangup[sizeof cx->cfg.script.hangup - 1] = '\0';
|
|
break;
|
|
case VAR_IDLETIMEOUT:
|
|
if (arg->argc > arg->argn+1)
|
|
err = "Too many idle timeout values\n";
|
|
else if (arg->argc == arg->argn+1)
|
|
bundle_SetIdleTimer(arg->bundle, atoi(argp));
|
|
if (err)
|
|
LogPrintf(LogWARN, err);
|
|
break;
|
|
case VAR_LQRPERIOD:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid lqr period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
l->lcp.cfg.lqrperiod = ulong_val;
|
|
break;
|
|
case VAR_LCPRETRY:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid LCP FSM retry period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
cx->physical->link.lcp.cfg.fsmretry = ulong_val;
|
|
break;
|
|
case VAR_CHAPRETRY:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid CHAP retry period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
cx->chap.auth.cfg.fsmretry = ulong_val;
|
|
break;
|
|
case VAR_PAPRETRY:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid PAP retry period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
cx->pap.cfg.fsmretry = ulong_val;
|
|
break;
|
|
case VAR_CCPRETRY:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid CCP FSM retry period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
l->ccp.cfg.fsmretry = ulong_val;
|
|
break;
|
|
case VAR_IPCPRETRY:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid IPCP FSM retry period\n";
|
|
LogPrintf(LogWARN, err, argp);
|
|
} else
|
|
arg->bundle->ncp.ipcp.cfg.fsmretry = ulong_val;
|
|
break;
|
|
}
|
|
|
|
return err ? 1 : 0;
|
|
}
|
|
|
|
static int
|
|
SetCtsRts(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc == arg->argn+1) {
|
|
if (strcmp(arg->argv[arg->argn], "on") == 0)
|
|
Physical_SetRtsCts(arg->cx->physical, 1);
|
|
else if (strcmp(arg->argv[arg->argn], "off") == 0)
|
|
Physical_SetRtsCts(arg->cx->physical, 0);
|
|
else
|
|
return -1;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static struct cmdtab const SetCommands[] = {
|
|
{"accmap", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set accmap value", "set accmap hex-value", (const void *)VAR_ACCMAP},
|
|
{"authkey", "key", SetVariable, LOCAL_AUTH,
|
|
"Set authentication key", "set authkey|key key", (const void *)VAR_AUTHKEY},
|
|
{"authname", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set authentication name", "set authname name", (const void *)VAR_AUTHNAME},
|
|
{"ccpretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set FSM retry period", "set ccpretry value", (const void *)VAR_CCPRETRY},
|
|
{"chapretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set CHAP retry period", "set chapretry value", (const void *)VAR_CHAPRETRY},
|
|
{"ctsrts", "crtscts", SetCtsRts, LOCAL_AUTH | LOCAL_CX,
|
|
"Use hardware flow control", "set ctsrts [on|off]"},
|
|
{"deflate", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set deflate window sizes", "set deflate out-winsize in-winsize",
|
|
(const void *) VAR_WINSIZE},
|
|
{"device", "line", SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set modem device name", "set device|line device-name[,device-name]",
|
|
(const void *) VAR_DEVICE},
|
|
{"dial", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set dialing script", "set dial chat-script", (const void *) VAR_DIAL},
|
|
{"encrypt", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Select CHAP encryption type", "set encrypt MSChap|MD5",
|
|
(const void *)VAR_ENC},
|
|
{"escape", NULL, SetEscape, LOCAL_AUTH | LOCAL_CX,
|
|
"Set escape characters", "set escape hex-digit ..."},
|
|
{"filter", NULL, SetFilter, LOCAL_AUTH,
|
|
"Set packet filters", "set filter in|out|dial|alive ..."},
|
|
{"hangup", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set hangup script", "set hangup chat-script", (const void *) VAR_HANGUP},
|
|
{"ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, "Set destination address",
|
|
"set ifaddr [src-addr [dst-addr [netmask [trg-addr]]]]"},
|
|
{"ipcpretry", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set FSM retry period", "set ipcpretry value", (const void *)VAR_IPCPRETRY},
|
|
{"lcpretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set FSM retry period", "set lcpretry value", (const void *)VAR_LCPRETRY},
|
|
{"log", NULL, log_SetLevel, LOCAL_AUTH,
|
|
"Set log level", "set log [local] [+|-]value..."},
|
|
{"login", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set login script", "set login chat-script", (const void *) VAR_LOGIN},
|
|
{"lqrperiod", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set LQR period", "set lqrperiod value", (const void *)VAR_LQRPERIOD},
|
|
{"mru", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set MRU value", "set mru value", (const void *)VAR_MRU},
|
|
{"mtu", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Set MTU value", "set mtu value", (const void *)VAR_MTU},
|
|
#ifndef NOMSEXT
|
|
{"nbns", NULL, SetNBNS, LOCAL_AUTH,
|
|
"Set NetBIOS NameServer", "set nbns pri-addr [sec-addr]"},
|
|
{"ns", NULL, SetNS, LOCAL_AUTH,
|
|
"Set NameServer", "set ns pri-addr [sec-addr]"},
|
|
#endif
|
|
{"openmode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "Set open mode",
|
|
"set openmode active|passive [secs]", (const void *)VAR_OPENMODE},
|
|
{"papretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"Set PAP retry period", "set papretry value", (const void *)VAR_PAPRETRY},
|
|
{"parity", NULL, SetModemParity, LOCAL_AUTH | LOCAL_CX,
|
|
"Set modem parity", "set parity [odd|even|none]"},
|
|
{"phone", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "Set telephone number(s)",
|
|
"set phone phone1[:phone2[...]]", (const void *)VAR_PHONE},
|
|
{"reconnect", NULL, datalink_SetReconnect, LOCAL_AUTH | LOCAL_CX,
|
|
"Set Reconnect timeout", "set reconnect value ntries"},
|
|
{"redial", NULL, datalink_SetRedial, LOCAL_AUTH | LOCAL_CX,
|
|
"Set Redial timeout", "set redial value|random[.value|random] [attempts]"},
|
|
{"server", "socket", SetServer, LOCAL_AUTH,
|
|
"Set server port", "set server|socket TcpPort|LocalName|none [mask]"},
|
|
{"speed", NULL, SetModemSpeed, LOCAL_AUTH | LOCAL_CX,
|
|
"Set modem speed", "set speed value"},
|
|
{"stopped", NULL, SetStoppedTimeout, LOCAL_AUTH | LOCAL_CX,
|
|
"Set STOPPED timeouts", "set stopped [LCPseconds [CCPseconds]]"},
|
|
{"timeout", NULL, SetVariable, LOCAL_AUTH, "Set Idle timeout",
|
|
"set timeout idletime", (const void *)VAR_IDLETIMEOUT},
|
|
{"vj", NULL, SetInitVJ, LOCAL_AUTH,
|
|
"Set vj values", "set vj slots|slotcomp [value]"},
|
|
{"weight", NULL, mp_SetDatalinkWeight, LOCAL_AUTH | LOCAL_CX,
|
|
"Set datalink weighting", "set weight n"},
|
|
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", "set help|? [command]", SetCommands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static int
|
|
SetCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc > arg->argn)
|
|
FindExec(arg->bundle, SetCommands, arg->argc, arg->argn, arg->argv,
|
|
arg->prompt, arg->cx);
|
|
else if (arg->prompt)
|
|
prompt_Printf(arg->prompt, "Use `set ?' to get a list or `set ? <var>' for"
|
|
" syntax help.\n");
|
|
else
|
|
LogPrintf(LogWARN, "set command must have arguments\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
AddCommand(struct cmdargs const *arg)
|
|
{
|
|
struct in_addr dest, gateway, netmask;
|
|
int gw;
|
|
|
|
if (arg->argc != arg->argn+3 && arg->argc != arg->argn+2)
|
|
return -1;
|
|
|
|
if (arg->argc == arg->argn+2)
|
|
if (strcasecmp(arg->argv[arg->argn], "default"))
|
|
return -1;
|
|
else {
|
|
dest.s_addr = netmask.s_addr = INADDR_ANY;
|
|
gw = 1;
|
|
}
|
|
else {
|
|
if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0)
|
|
dest = arg->bundle->ncp.ipcp.my_ip;
|
|
else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0)
|
|
dest = arg->bundle->ncp.ipcp.peer_ip;
|
|
else
|
|
dest = GetIpAddr(arg->argv[arg->argn]);
|
|
netmask = GetIpAddr(arg->argv[arg->argn+1]);
|
|
gw = 2;
|
|
}
|
|
if (strcasecmp(arg->argv[arg->argn+gw], "HISADDR") == 0)
|
|
gateway = arg->bundle->ncp.ipcp.peer_ip;
|
|
else if (strcasecmp(arg->argv[arg->argn+gw], "INTERFACE") == 0)
|
|
gateway.s_addr = INADDR_ANY;
|
|
else
|
|
gateway = GetIpAddr(arg->argv[arg->argn+gw]);
|
|
bundle_SetRoute(arg->bundle, RTM_ADD, dest, gateway, netmask,
|
|
arg->cmd->args ? 1 : 0);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
DeleteCommand(struct cmdargs const *arg)
|
|
{
|
|
struct in_addr dest, none;
|
|
|
|
if (arg->argc == arg->argn+1)
|
|
if(strcasecmp(arg->argv[arg->argn], "all") == 0)
|
|
DeleteIfRoutes(arg->bundle, 0);
|
|
else {
|
|
if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0)
|
|
dest = arg->bundle->ncp.ipcp.my_ip;
|
|
else if (strcasecmp(arg->argv[arg->argn], "default") == 0)
|
|
dest.s_addr = INADDR_ANY;
|
|
else
|
|
dest = GetIpAddr(arg->argv[arg->argn]);
|
|
none.s_addr = INADDR_ANY;
|
|
bundle_SetRoute(arg->bundle, RTM_DELETE, dest, none, none,
|
|
arg->cmd->args ? 1 : 0);
|
|
}
|
|
else
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef NOALIAS
|
|
static struct cmdtab const AliasCommands[] =
|
|
{
|
|
{"addr", NULL, AliasRedirectAddr, LOCAL_AUTH,
|
|
"static address translation", "alias addr [addr_local addr_alias]"},
|
|
{"deny_incoming", NULL, AliasOption, LOCAL_AUTH,
|
|
"stop incoming connections", "alias deny_incoming [yes|no]",
|
|
(const void *) PKT_ALIAS_DENY_INCOMING},
|
|
{"enable", NULL, AliasEnable, LOCAL_AUTH,
|
|
"enable IP aliasing", "alias enable [yes|no]"},
|
|
{"log", NULL, AliasOption, LOCAL_AUTH,
|
|
"log aliasing link creation", "alias log [yes|no]",
|
|
(const void *) PKT_ALIAS_LOG},
|
|
{"port", NULL, AliasRedirectPort, LOCAL_AUTH,
|
|
"port redirection", "alias port [proto addr_local:port_local port_alias]"},
|
|
{"same_ports", NULL, AliasOption, LOCAL_AUTH,
|
|
"try to leave port numbers unchanged", "alias same_ports [yes|no]",
|
|
(const void *) PKT_ALIAS_SAME_PORTS},
|
|
{"unregistered_only", NULL, AliasOption, LOCAL_AUTH,
|
|
"alias unregistered (private) IP address space only",
|
|
"alias unregistered_only [yes|no]",
|
|
(const void *) PKT_ALIAS_UNREGISTERED_ONLY},
|
|
{"use_sockets", NULL, AliasOption, LOCAL_AUTH,
|
|
"allocate host sockets", "alias use_sockets [yes|no]",
|
|
(const void *) PKT_ALIAS_USE_SOCKETS},
|
|
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", "alias help|? [command]", AliasCommands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
|
|
static int
|
|
AliasCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc > arg->argn)
|
|
FindExec(arg->bundle, AliasCommands, arg->argc, arg->argn, arg->argv,
|
|
arg->prompt, arg->cx);
|
|
else if (arg->prompt)
|
|
prompt_Printf(arg->prompt, "Use `alias help' to get a list or `alias help"
|
|
" <option>' for syntax help.\n");
|
|
else
|
|
LogPrintf(LogWARN, "alias command must have arguments\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
AliasEnable(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc == arg->argn+1)
|
|
if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
|
|
if (loadAliasHandlers() == 0)
|
|
return 0;
|
|
LogPrintf(LogWARN, "Cannot load alias library\n");
|
|
return 1;
|
|
} else if (strcasecmp(arg->argv[arg->argn], "no") == 0) {
|
|
unloadAliasHandlers();
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int
|
|
AliasOption(struct cmdargs const *arg)
|
|
{
|
|
unsigned param = (unsigned)arg->cmd->args;
|
|
if (arg->argc == arg->argn+1)
|
|
if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
|
|
if (AliasEnabled()) {
|
|
(*PacketAlias.SetMode)(param, param);
|
|
return 0;
|
|
}
|
|
LogPrintf(LogWARN, "alias not enabled\n");
|
|
} else if (strcmp(arg->argv[arg->argn], "no") == 0) {
|
|
if (AliasEnabled()) {
|
|
(*PacketAlias.SetMode)(0, param);
|
|
return 0;
|
|
}
|
|
LogPrintf(LogWARN, "alias not enabled\n");
|
|
}
|
|
return -1;
|
|
}
|
|
#endif /* #ifndef NOALIAS */
|
|
|
|
static struct cmdtab const AllowCommands[] = {
|
|
{"modes", "mode", AllowModes, LOCAL_AUTH,
|
|
"Only allow certain ppp modes", "allow modes mode..."},
|
|
{"users", "user", AllowUsers, LOCAL_AUTH,
|
|
"Allow users access to ppp", "allow users logname..."},
|
|
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", "allow help|? [command]", AllowCommands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static int
|
|
AllowCommand(struct cmdargs const *arg)
|
|
{
|
|
/* arg->bundle may be NULL (see ValidSystem()) ! */
|
|
if (arg->argc > arg->argn)
|
|
FindExec(arg->bundle, AllowCommands, arg->argc, arg->argn, arg->argv,
|
|
arg->prompt, arg->cx);
|
|
else if (arg->prompt)
|
|
prompt_Printf(arg->prompt, "Use `allow ?' to get a list or `allow ? <cmd>'"
|
|
" for syntax help.\n");
|
|
else
|
|
LogPrintf(LogWARN, "allow command must have arguments\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
LinkCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc > arg->argn+1) {
|
|
struct datalink *cx = bundle2datalink(arg->bundle, arg->argv[arg->argn]);
|
|
if (cx)
|
|
FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
|
|
arg->prompt, cx);
|
|
else {
|
|
LogPrintf(LogWARN, "link: %s: Invalid link name\n", arg->argv[arg->argn]);
|
|
return 1;
|
|
}
|
|
} else {
|
|
LogPrintf(LogWARN, "Usage: %s\n", arg->cmd->syntax);
|
|
return 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct link *
|
|
ChooseLink(struct cmdargs const *arg)
|
|
{
|
|
if (arg->cx)
|
|
return &arg->cx->physical->link;
|
|
else if (arg->bundle->ncp.mp.active)
|
|
return &arg->bundle->ncp.mp.link;
|
|
else {
|
|
struct datalink *dl = bundle2datalink(arg->bundle, NULL);
|
|
return dl ? &dl->physical->link : NULL;
|
|
}
|
|
}
|