2084 lines
61 KiB
C
2084 lines
61 KiB
C
/*
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* 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 1.147 1998/06/16 23:23:54 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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#include "defs.h"
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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 "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 "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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/* ``set'' values */
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#define VAR_AUTHKEY 0
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#define VAR_DIAL 1
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#define VAR_LOGIN 2
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#define VAR_AUTHNAME 3
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#define VAR_AUTOLOAD 4
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#define VAR_WINSIZE 5
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#define VAR_DEVICE 6
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#define VAR_ACCMAP 7
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#define VAR_MRRU 8
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#define VAR_MRU 9
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#define VAR_MTU 10
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#define VAR_OPENMODE 11
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#define VAR_PHONE 12
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#define VAR_HANGUP 13
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#define VAR_IDLETIMEOUT 14
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#define VAR_LQRPERIOD 15
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#define VAR_LCPRETRY 16
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#define VAR_CHAPRETRY 17
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#define VAR_PAPRETRY 18
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#define VAR_CCPRETRY 19
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#define VAR_IPCPRETRY 20
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#define VAR_DNS 21
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#define VAR_NBNS 22
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#define VAR_MODE 23
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/* ``accept|deny|disable|enable'' masks */
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#define NEG_HISMASK (1)
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#define NEG_MYMASK (2)
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/* ``accept|deny|disable|enable'' values */
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#define NEG_ACFCOMP 40
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#define NEG_CHAP 41
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#define NEG_DEFLATE 42
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#define NEG_LQR 43
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#define NEG_PAP 44
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#define NEG_PPPDDEFLATE 45
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#define NEG_PRED1 46
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#define NEG_PROTOCOMP 47
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#define NEG_SHORTSEQ 48
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#define NEG_VJCOMP 49
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#define NEG_DNS 50
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const char Version[] = "2.0-beta";
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const char VersionDate[] = "$Date: 1998/06/16 23:23:54 $";
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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 OpenCommand(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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static int NegotiateCommand(struct cmdargs const *);
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static int ClearCommand(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 const char *
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showcx(struct cmdtab const *cmd)
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{
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if (cmd->lauth & LOCAL_CX)
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return "(c)";
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else if (cmd->lauth & LOCAL_CX_OPT)
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return "(o)";
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return "";
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}
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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, cxlen;
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const char *cx;
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if (!arg->prompt) {
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log_Printf(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 %s\n", cmd->syntax, showcx(cmd));
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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) + strlen(showcx(cmd))) > 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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prompt_Printf(arg->prompt, "(o) = Optional context,"
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" (c) = Context required\n");
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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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cx = showcx(cmd);
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cxlen = cmax - strlen(cmd->name);
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prompt_Printf(arg->prompt, " %s%-*.*s: %-*.*s",
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cmd->name, cxlen, cxlen, cx, 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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char namelist[LINE_LEN];
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char *name;
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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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namelist[sizeof namelist - 1] = '\0';
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for (f = arg->argn; f < arg->argc; f++) {
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strncpy(namelist, arg->argv[f], sizeof namelist - 1);
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for(name = strtok(namelist, ", "); name; name = strtok(NULL,", "))
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bundle_DatalinkClone(arg->bundle, arg->cx, name);
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}
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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->cx->state != DATALINK_CLOSED) {
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log_Printf(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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static int
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RenameCommand(struct cmdargs const *arg)
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{
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if (arg->argc != arg->argn + 1)
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return -1;
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if (bundle_RenameDatalink(arg->bundle, arg->cx, arg->argv[arg->argn]))
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return 0;
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log_Printf(LogWARN, "%s -> %s: target name already exists\n",
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arg->cx->name, arg->argv[arg->argn]);
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return 1;
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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 (!system_IsValid(name, arg->prompt, arg->bundle->phys_type.all)) {
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log_Printf(LogWARN, "%s: Label not allowed\n", name);
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return 1;
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} else {
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/*
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* Set the label before & after so that `set enddisc' works and
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* we handle nested `load' commands.
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*/
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bundle_SetLabel(arg->bundle, arg->argc > arg->argn ? name : NULL);
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if (system_Select(arg->bundle, name, CONFFILE, arg->prompt, arg->cx) < 0) {
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bundle_SetLabel(arg->bundle, NULL);
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log_Printf(LogWARN, "%s: label not found.\n", name);
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return -1;
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}
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bundle_SetLabel(arg->bundle, arg->argc > arg->argn ? name : NULL);
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}
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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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log_Printf(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_INTERACTIVE|PHYS_AUTO)))
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|| (!arg->cx &&
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(arg->bundle->phys_type.all & ~(PHYS_INTERACTIVE|PHYS_AUTO)))) {
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log_Printf(LogWARN, "Manual dial is only available for auto and"
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" interactive links\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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log_Printf(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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log_Printf(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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log_Printf(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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log_Printf(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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}
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if ((shpid = fork()) == 0) {
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int i, fd;
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if ((shell = getenv("SHELL")) == 0)
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shell = _PATH_BSHELL;
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timer_TermService();
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if (arg->prompt)
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fd = arg->prompt->fd_out;
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else if ((fd = open(_PATH_DEVNULL, O_RDWR)) == -1) {
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log_Printf(LogALERT, "Failed to open %s: %s\n",
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_PATH_DEVNULL, 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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fcntl(3, F_SETFD, 1); /* Set close-on-exec flag */
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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 = 1; argc < arg->argc - arg->argn; argc++) {
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if (strcasecmp(arg->argv[argc + arg->argn], "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 + arg->argn], "INTERFACE") == 0)
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argv[argc] = strdup(arg->bundle->ifp.Name);
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else if (strcasecmp(arg->argv[argc + arg->argn], "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 + arg->argn]);
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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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p = getpid();
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if (daemon(1, 1) == -1) {
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log_Printf(LogERROR, "%d: daemon: %s\n", (int)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);
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}
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log_Printf(LogWARN, "exec() of %s failed\n",
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arg->argc > arg->argn ? arg->argv[arg->argn] : shell);
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exit(255);
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}
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if (shpid == (pid_t) - 1)
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log_Printf(LogERROR, "Fork failed: %s\n", strerror(errno));
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else {
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int status;
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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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}
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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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}
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static int
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FgShellCommand(struct cmdargs const *arg)
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{
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return ShellCommand(arg, 0);
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}
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static struct cmdtab const Commands[] = {
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{"accept", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
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"accept option request", "accept option .."},
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{"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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{"clear", NULL, ClearCommand, LOCAL_AUTH | LOCAL_CX_OPT,
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"Clear throughput statistics", "clear ipcp|modem [current|overall|peak]..."},
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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 an FSM", "close [lcp|ccp]"},
|
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{"delete", NULL, DeleteCommand, LOCAL_AUTH,
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"delete route", "delete dest", NULL},
|
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{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, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Deny option request", "deny option .."},
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{"dial", "call", DialCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Dial and login", "dial|call [remote]"},
|
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{"disable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Disable option", "disable option .."},
|
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{"down", NULL, DownCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Generate a down event", "down"},
|
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{"enable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Enable option", "enable option .."},
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{"link", "datalink", LinkCommand, LOCAL_AUTH,
|
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"Link specific commands", "link name command ..."},
|
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{"load", NULL, LoadCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Load settings", "load [remote]"},
|
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{"open", NULL, OpenCommand, LOCAL_AUTH | LOCAL_CX_OPT,
|
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"Open an FSM", "open [lcp|ccp]"},
|
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{"passwd", NULL, PasswdCommand, LOCAL_NO_AUTH,
|
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"Password for manipulation", "passwd LocalPassword"},
|
|
{"quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
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"Quit PPP program", "quit|bye [all]"},
|
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{"remove", "rm", RemoveCommand, LOCAL_AUTH | LOCAL_CX,
|
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"Remove a link", "remove"},
|
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{"rename", "mv", RenameCommand, LOCAL_AUTH | LOCAL_CX,
|
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"Rename a link", "rename name"},
|
|
{"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 | LOCAL_CX_OPT,
|
|
"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;
|
|
const 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)
|
|
{
|
|
timer_Show(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)
|
|
{
|
|
prompt_Printf(arg->prompt, "PPP Version %s - %s\n", Version, VersionDate);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ShowProtocolStats(struct cmdargs const *arg)
|
|
{
|
|
struct link *l = command_ChooseLink(arg);
|
|
|
|
if (!l)
|
|
return -1;
|
|
prompt_Printf(arg->prompt, "%s:\n", l->name);
|
|
link_ReportProtocolStatus(l, arg->prompt);
|
|
return 0;
|
|
}
|
|
|
|
static struct cmdtab const ShowCommands[] = {
|
|
{"bundle", NULL, bundle_ShowStatus, LOCAL_AUTH,
|
|
"bundle details", "show bundle"},
|
|
{"ccp", NULL, ccp_ReportStatus, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"CCP status", "show cpp"},
|
|
{"compress", NULL, sl_Show, LOCAL_AUTH,
|
|
"VJ compression stats", "show compress"},
|
|
{"escape", NULL, ShowEscape, LOCAL_AUTH | LOCAL_CX,
|
|
"escape characters", "show escape"},
|
|
{"filter", NULL, filter_Show, LOCAL_AUTH,
|
|
"packet filters", "show filter [in|out|dial|alive]"},
|
|
{"hdlc", NULL, hdlc_ReportStatus, LOCAL_AUTH | LOCAL_CX,
|
|
"HDLC errors", "show hdlc"},
|
|
{"ipcp", NULL, ipcp_Show, LOCAL_AUTH,
|
|
"IPCP status", "show ipcp"},
|
|
{"lcp", NULL, lcp_ReportStatus, LOCAL_AUTH | LOCAL_CX,
|
|
"LCP status", "show lcp"},
|
|
{"link", "datalink", datalink_Show, LOCAL_AUTH | LOCAL_CX,
|
|
"(high-level) link info", "show link"},
|
|
{"links", NULL, bundle_ShowLinks, LOCAL_AUTH,
|
|
"available link names", "show links"},
|
|
{"log", NULL, log_ShowLevel, LOCAL_AUTH,
|
|
"log levels", "show log"},
|
|
{"mem", NULL, mbuf_Show, LOCAL_AUTH,
|
|
"mbuf allocations", "show mem"},
|
|
{"modem", NULL, modem_ShowStatus, LOCAL_AUTH | LOCAL_CX,
|
|
"(low-level) link info", "show modem"},
|
|
{"mp", "multilink", mp_ShowStatus, LOCAL_AUTH,
|
|
"multilink setup", "show mp"},
|
|
{"proto", NULL, ShowProtocolStats, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"protocol summary", "show proto"},
|
|
{"route", NULL, route_Show, LOCAL_AUTH,
|
|
"routing table", "show route"},
|
|
{"stopped", NULL, ShowStopped, LOCAL_AUTH | LOCAL_CX,
|
|
"STOPPED timeout", "show stopped"},
|
|
{"timers", NULL, ShowTimerList, LOCAL_AUTH,
|
|
"alarm timers", "show timers"},
|
|
{"version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH,
|
|
"version string", "show version"},
|
|
{"who", NULL, log_ShowWho, LOCAL_AUTH,
|
|
"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)
|
|
log_Printf(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)
|
|
log_Printf(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))) {
|
|
log_Printf(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
|
|
log_Printf(LogWARN, "%s: Invalid command\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix));
|
|
|
|
if (val == -1)
|
|
log_Printf(LogWARN, "Usage: %s\n", cmd->syntax);
|
|
else if (val)
|
|
log_Printf(LogWARN, "%s: Failed %d\n",
|
|
mkPrefix(argn+1, argv, prefix, sizeof prefix), val);
|
|
|
|
return val;
|
|
}
|
|
|
|
int
|
|
command_Interpret(char *buff, int nb, char *argv[MAXARGS])
|
|
{
|
|
char *cp;
|
|
|
|
if (nb > 0) {
|
|
cp = buff + strcspn(buff, "\r\n");
|
|
if (cp)
|
|
*cp = '\0';
|
|
return MakeArgs(buff, argv, MAXARGS);
|
|
}
|
|
return 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;
|
|
|
|
/* set server port xxxxx .... */
|
|
if (n == 3 && !strncasecmp(argv[0], "se", 2) &&
|
|
!strncasecmp(argv[1], "se", 2))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
command_Run(struct bundle *bundle, int argc, char const *const *argv,
|
|
struct prompt *prompt, const char *label, struct datalink *cx)
|
|
{
|
|
if (argc > 0) {
|
|
if (log_IsKept(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);
|
|
}
|
|
log_Printf(LogCOMMAND, "%s\n", buf);
|
|
}
|
|
FindExec(bundle, Commands, argc, 0, argv, prompt, cx);
|
|
}
|
|
}
|
|
|
|
void
|
|
command_Decode(struct bundle *bundle, char *buff, int nb, struct prompt *prompt,
|
|
const char *label)
|
|
{
|
|
int argc;
|
|
char *argv[MAXARGS];
|
|
|
|
argc = command_Interpret(buff, nb, argv);
|
|
command_Run(bundle, argc, (char const *const *)argv, prompt, label, NULL);
|
|
}
|
|
|
|
static int
|
|
ShowCommand(struct cmdargs const *arg)
|
|
{
|
|
if (!arg->prompt)
|
|
log_Printf(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) {
|
|
log_Printf(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
|
|
OpenCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc == arg->argn ||
|
|
(arg->argc == arg->argn+1 && !strcasecmp(arg->argv[arg->argn], "lcp")))
|
|
bundle_Open(arg->bundle, arg->cx ? arg->cx->name : NULL, PHYS_ALL);
|
|
else if (arg->argc == arg->argn+1 &&
|
|
!strcasecmp(arg->argv[arg->argn], "ccp")) {
|
|
struct link *l;
|
|
struct fsm *fp;
|
|
|
|
if (!(l = command_ChooseLink(arg)))
|
|
return -1;
|
|
fp = &l->ccp.fsm;
|
|
|
|
if (fp->link->lcp.fsm.state != ST_OPENED)
|
|
log_Printf(LogWARN, "open: LCP must be open before opening CCP\n");
|
|
else if (fp->state != ST_OPENED) {
|
|
fp->open_mode = 0; /* Not passive any more */
|
|
if (fp->state == ST_STOPPED) {
|
|
fsm_Down(fp);
|
|
fsm_Up(fp);
|
|
} else {
|
|
fsm_Up(fp);
|
|
fsm_Open(fp);
|
|
}
|
|
}
|
|
} else
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
CloseCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc == arg->argn)
|
|
bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_STAYDOWN);
|
|
else if (arg->argc == arg->argn + 1) {
|
|
if (!strcasecmp(arg->argv[arg->argn], "lcp"))
|
|
bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_LCP);
|
|
else if (!strcasecmp(arg->argv[arg->argn], "ccp") ||
|
|
!strcasecmp(arg->argv[arg->argn], "ccp!")) {
|
|
struct link *l;
|
|
struct fsm *fp;
|
|
|
|
if (!(l = command_ChooseLink(arg)))
|
|
return -1;
|
|
fp = &l->ccp.fsm;
|
|
|
|
if (fp->state == ST_OPENED) {
|
|
fsm_Close(fp);
|
|
if (arg->argv[arg->argn][3] == '!')
|
|
fp->open_mode = 0; /* Stay ST_CLOSED */
|
|
else
|
|
fp->open_mode = OPEN_PASSIVE; /* Wait for the peer to start */
|
|
}
|
|
} else
|
|
return -1;
|
|
} else
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
DownCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc == arg->argn) {
|
|
if (arg->cx)
|
|
datalink_Down(arg->cx, CLOSE_STAYDOWN);
|
|
else
|
|
bundle_Down(arg->bundle, CLOSE_STAYDOWN);
|
|
} else if (arg->argc == arg->argn + 1) {
|
|
if (!strcasecmp(arg->argv[arg->argn], "lcp")) {
|
|
if (arg->cx)
|
|
datalink_Down(arg->cx, CLOSE_LCP);
|
|
else
|
|
bundle_Down(arg->bundle, CLOSE_LCP);
|
|
} else if (!strcasecmp(arg->argv[arg->argn], "ccp")) {
|
|
struct fsm *fp = arg->cx ? &arg->cx->physical->link.ccp.fsm :
|
|
&arg->bundle->ncp.mp.link.ccp.fsm;
|
|
fsm2initial(fp);
|
|
} else
|
|
return -1;
|
|
} else
|
|
return -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) {
|
|
log_Printf(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) {
|
|
log_Printf(LogWARN, "SetModemSpeed: Bad argument \"%s\"",
|
|
arg->argv[arg->argn]);
|
|
return -1;
|
|
}
|
|
if (physical_SetSpeed(arg->cx->physical, speed))
|
|
return 0;
|
|
log_Printf(LogWARN, "%s: Invalid speed\n", arg->argv[arg->argn]);
|
|
} else
|
|
log_Printf(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 (server_Close(arg->bundle))
|
|
log_Printf(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;
|
|
char *ptr, name[LINE_LEN + 12];
|
|
|
|
if (mask != NULL) {
|
|
unsigned m;
|
|
|
|
if (sscanf(mask, "%o", &m) == 1)
|
|
imask = m;
|
|
else
|
|
return -1;
|
|
} else
|
|
imask = (mode_t)-1;
|
|
|
|
ptr = strstr(port, "%d");
|
|
if (ptr) {
|
|
snprintf(name, sizeof name, "%.*s%d%s",
|
|
ptr - port, port, arg->bundle->unit, ptr + 2);
|
|
port = name;
|
|
}
|
|
res = server_LocalOpen(arg->bundle, port, imask);
|
|
} else {
|
|
int iport, add = 0;
|
|
|
|
if (mask != NULL)
|
|
return -1;
|
|
|
|
if (*port == '+') {
|
|
port++;
|
|
add = 1;
|
|
}
|
|
if (strspn(port, "0123456789") != strlen(port)) {
|
|
struct servent *s;
|
|
|
|
if ((s = getservbyname(port, "tcp")) == NULL) {
|
|
iport = 0;
|
|
log_Printf(LogWARN, "%s: Invalid port or service\n", port);
|
|
} else
|
|
iport = ntohs(s->s_port);
|
|
} else
|
|
iport = atoi(port);
|
|
|
|
if (iport) {
|
|
if (add)
|
|
iport += arg->bundle->unit;
|
|
res = server_TcpOpen(arg->bundle, iport);
|
|
} else
|
|
res = -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 && !ipcp_UseHisaddr(arg->bundle, hisaddr,
|
|
arg->bundle->phys_type.all & PHYS_AUTO))
|
|
return 4;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
SetVariable(struct cmdargs const *arg)
|
|
{
|
|
u_long ulong_val;
|
|
const char *argp;
|
|
int param = (int)arg->cmd->args, mode;
|
|
struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
|
|
const char *err = NULL;
|
|
struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
|
|
int dummyint;
|
|
struct in_addr dummyaddr, *addr;
|
|
|
|
if (!l)
|
|
return -1;
|
|
|
|
if (arg->argc > arg->argn)
|
|
argp = arg->argv[arg->argn];
|
|
else
|
|
argp = "";
|
|
|
|
if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
|
|
log_Printf(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))) {
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_AUTOLOAD:
|
|
if (arg->argc == arg->argn + 2 || arg->argc == arg->argn + 4) {
|
|
arg->bundle->autoload.running = 1;
|
|
arg->bundle->cfg.autoload.max.timeout = atoi(arg->argv[arg->argn]);
|
|
arg->bundle->cfg.autoload.max.packets = atoi(arg->argv[arg->argn + 1]);
|
|
if (arg->argc == arg->argn + 4) {
|
|
arg->bundle->cfg.autoload.min.timeout = atoi(arg->argv[arg->argn + 2]);
|
|
arg->bundle->cfg.autoload.min.packets = atoi(arg->argv[arg->argn + 3]);
|
|
} else {
|
|
arg->bundle->cfg.autoload.min.timeout = 0;
|
|
arg->bundle->cfg.autoload.min.packets = 0;
|
|
}
|
|
} else {
|
|
err = "Set autoload requires two or four arguments\n";
|
|
log_Printf(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) {
|
|
log_Printf(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) {
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(LogWARN, err);
|
|
}
|
|
break;
|
|
case VAR_MODE:
|
|
mode = Nam2mode(argp);
|
|
if (mode == PHYS_NONE || mode == PHYS_ALL) {
|
|
log_Printf(LogWARN, "%s: Invalid mode\n", argp);
|
|
return -1;
|
|
}
|
|
bundle_SetMode(arg->bundle, cx, mode);
|
|
break;
|
|
case VAR_MRRU:
|
|
if (bundle_Phase(arg->bundle) != PHASE_DEAD)
|
|
log_Printf(LogWARN, "mrru: Only changable at phase DEAD\n");
|
|
else {
|
|
ulong_val = atol(argp);
|
|
if (ulong_val && ulong_val < MIN_MRU)
|
|
err = "Given MRRU value (%lu) is too small.\n";
|
|
else if (ulong_val > MAX_MRU)
|
|
err = "Given MRRU value (%lu) is too big.\n";
|
|
else
|
|
arg->bundle->ncp.mp.cfg.mrru = ulong_val;
|
|
if (err)
|
|
log_Printf(LogWARN, err, ulong_val);
|
|
}
|
|
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)
|
|
log_Printf(LogWARN, err, ulong_val);
|
|
break;
|
|
case VAR_MTU:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val == 0)
|
|
arg->bundle->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
|
|
arg->bundle->cfg.mtu = ulong_val;
|
|
if (err)
|
|
log_Printf(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";
|
|
log_Printf(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)
|
|
log_Printf(LogWARN, err);
|
|
break;
|
|
case VAR_LQRPERIOD:
|
|
ulong_val = atol(argp);
|
|
if (ulong_val <= 0) {
|
|
err = "%s: Invalid lqr period\n";
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(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";
|
|
log_Printf(LogWARN, err, argp);
|
|
} else
|
|
arg->bundle->ncp.ipcp.cfg.fsmretry = ulong_val;
|
|
break;
|
|
case VAR_NBNS:
|
|
case VAR_DNS:
|
|
if (param == VAR_DNS)
|
|
addr = arg->bundle->ncp.ipcp.cfg.ns.dns;
|
|
else
|
|
addr = arg->bundle->ncp.ipcp.cfg.ns.nbns;
|
|
|
|
addr[0].s_addr = addr[1].s_addr = INADDR_ANY;
|
|
|
|
if (arg->argc > arg->argn) {
|
|
ParseAddr(&arg->bundle->ncp.ipcp, 1, arg->argv + arg->argn,
|
|
addr, &dummyaddr, &dummyint);
|
|
if (arg->argc > arg->argn+1)
|
|
ParseAddr(&arg->bundle->ncp.ipcp, 1, arg->argv + arg->argn + 1,
|
|
addr + 1, &dummyaddr, &dummyint);
|
|
|
|
if (addr[1].s_addr == INADDR_ANY)
|
|
addr[1].s_addr = addr[0].s_addr;
|
|
if (addr[0].s_addr == INADDR_ANY)
|
|
addr[0].s_addr = addr[1].s_addr;
|
|
}
|
|
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,
|
|
"accmap value", "set accmap hex-value", (const void *)VAR_ACCMAP},
|
|
{"authkey", "key", SetVariable, LOCAL_AUTH,
|
|
"authentication key", "set authkey|key key", (const void *)VAR_AUTHKEY},
|
|
{"authname", NULL, SetVariable, LOCAL_AUTH,
|
|
"authentication name", "set authname name", (const void *)VAR_AUTHNAME},
|
|
{"autoload", NULL, SetVariable, LOCAL_AUTH,
|
|
"auto link [de]activation", "set autoload maxtime maxload mintime minload",
|
|
(const void *)VAR_AUTOLOAD},
|
|
{"ccpretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"FSM retry period", "set ccpretry value", (const void *)VAR_CCPRETRY},
|
|
{"chapretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"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,
|
|
"deflate window sizes", "set deflate out-winsize in-winsize",
|
|
(const void *) VAR_WINSIZE},
|
|
{"device", "line", SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"modem device name", "set device|line device-name[,device-name]",
|
|
(const void *) VAR_DEVICE},
|
|
{"dial", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"dialing script", "set dial chat-script", (const void *) VAR_DIAL},
|
|
{"dns", NULL, SetVariable, LOCAL_AUTH, "Domain Name Server",
|
|
"set dns pri-addr [sec-addr]", (const void *)VAR_DNS},
|
|
{"enddisc", NULL, mp_SetEnddisc, LOCAL_AUTH,
|
|
"Endpoint Discriminator", "set enddisc [IP|magic|label|psn value]"},
|
|
{"escape", NULL, SetEscape, LOCAL_AUTH | LOCAL_CX,
|
|
"escape characters", "set escape hex-digit ..."},
|
|
{"filter", NULL, filter_Set, LOCAL_AUTH,
|
|
"packet filters", "set filter alive|dial|in|out rule-no permit|deny "
|
|
"[src_addr[/width]] [dst_addr[/width]] [tcp|udp|icmp [src [lt|eq|gt port]] "
|
|
"[dst [lt|eq|gt port]] [estab] [syn] [finrst]]"},
|
|
{"hangup", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"hangup script", "set hangup chat-script", (const void *) VAR_HANGUP},
|
|
{"ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, "destination address",
|
|
"set ifaddr [src-addr [dst-addr [netmask [trg-addr]]]]"},
|
|
{"ipcpretry", NULL, SetVariable, LOCAL_AUTH,
|
|
"FSM retry period", "set ipcpretry value", (const void *)VAR_IPCPRETRY},
|
|
{"lcpretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"FSM retry period", "set lcpretry value", (const void *)VAR_LCPRETRY},
|
|
{"log", NULL, log_SetLevel, LOCAL_AUTH, "log level",
|
|
"set log [local] [+|-]async|ccp|chat|command|connect|debug|hdlc|id0|ipcp|"
|
|
"lcp|lqm|phase|tcp/ip|timer|tun..."},
|
|
{"login", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"login script", "set login chat-script", (const void *) VAR_LOGIN},
|
|
{"lqrperiod", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"LQR period", "set lqrperiod value", (const void *)VAR_LQRPERIOD},
|
|
{"mode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "mode value",
|
|
"set mode interactive|auto|ddial|background", (const void *)VAR_MODE},
|
|
{"mrru", NULL, SetVariable, LOCAL_AUTH, "MRRU value",
|
|
"set mrru value", (const void *)VAR_MRRU},
|
|
{"mru", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"MRU value", "set mru value", (const void *)VAR_MRU},
|
|
{"mtu", NULL, SetVariable, LOCAL_AUTH,
|
|
"interface MTU value", "set mtu value", (const void *)VAR_MTU},
|
|
{"nbns", NULL, SetVariable, LOCAL_AUTH, "NetBIOS Name Server",
|
|
"set nbns pri-addr [sec-addr]", (const void *)VAR_NBNS},
|
|
{"openmode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "open mode",
|
|
"set openmode active|passive [secs]", (const void *)VAR_OPENMODE},
|
|
{"papretry", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
|
|
"PAP retry period", "set papretry value", (const void *)VAR_PAPRETRY},
|
|
{"parity", NULL, SetModemParity, LOCAL_AUTH | LOCAL_CX,
|
|
"modem parity", "set parity [odd|even|none]"},
|
|
{"phone", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "telephone number(s)",
|
|
"set phone phone1[:phone2[...]]", (const void *)VAR_PHONE},
|
|
{"reconnect", NULL, datalink_SetReconnect, LOCAL_AUTH | LOCAL_CX,
|
|
"Reconnect timeout", "set reconnect value ntries"},
|
|
{"redial", NULL, datalink_SetRedial, LOCAL_AUTH | LOCAL_CX,
|
|
"Redial timeout", "set redial value|random[.value|random] [attempts]"},
|
|
{"server", "socket", SetServer, LOCAL_AUTH,
|
|
"server port", "set server|socket TcpPort|LocalName|none password [mask]"},
|
|
{"speed", NULL, SetModemSpeed, LOCAL_AUTH | LOCAL_CX,
|
|
"modem speed", "set speed value"},
|
|
{"stopped", NULL, SetStoppedTimeout, LOCAL_AUTH | LOCAL_CX,
|
|
"STOPPED timeouts", "set stopped [LCPseconds [CCPseconds]]"},
|
|
{"timeout", NULL, SetVariable, LOCAL_AUTH, "Idle timeout",
|
|
"set timeout idletime", (const void *)VAR_IDLETIMEOUT},
|
|
{"vj", NULL, ipcp_vjset, LOCAL_AUTH,
|
|
"vj values", "set vj slots|slotcomp [value]"},
|
|
{"weight", NULL, mp_SetDatalinkWeight, LOCAL_AUTH | LOCAL_CX,
|
|
"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
|
|
log_Printf(LogWARN, "set command must have arguments\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
AddCommand(struct cmdargs const *arg)
|
|
{
|
|
struct in_addr dest, gateway, netmask;
|
|
int gw, addrs;
|
|
|
|
if (arg->argc != arg->argn+3 && arg->argc != arg->argn+2)
|
|
return -1;
|
|
|
|
addrs = 0;
|
|
if (arg->argc == arg->argn+2) {
|
|
if (!strcasecmp(arg->argv[arg->argn], "default"))
|
|
dest.s_addr = netmask.s_addr = INADDR_ANY;
|
|
else {
|
|
int width;
|
|
|
|
if (!ParseAddr(&arg->bundle->ncp.ipcp, 1, arg->argv + arg->argn,
|
|
&dest, &netmask, &width))
|
|
return -1;
|
|
if (!strncasecmp(arg->argv[arg->argn], "MYADDR", 6))
|
|
addrs = ROUTE_DSTMYADDR;
|
|
else if (!strncasecmp(arg->argv[arg->argn], "HISADDR", 7))
|
|
addrs = ROUTE_DSTHISADDR;
|
|
}
|
|
gw = 1;
|
|
} else {
|
|
if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
|
|
addrs = ROUTE_DSTMYADDR;
|
|
dest = arg->bundle->ncp.ipcp.my_ip;
|
|
} else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
|
|
addrs = ROUTE_DSTHISADDR;
|
|
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;
|
|
addrs |= ROUTE_GWHISADDR;
|
|
} else if (strcasecmp(arg->argv[arg->argn+gw], "INTERFACE") == 0)
|
|
gateway.s_addr = INADDR_ANY;
|
|
else
|
|
gateway = GetIpAddr(arg->argv[arg->argn+gw]);
|
|
|
|
if (bundle_SetRoute(arg->bundle, RTM_ADD, dest, gateway, netmask,
|
|
arg->cmd->args ? 1 : 0))
|
|
route_Add(&arg->bundle->ncp.ipcp.route, addrs, dest, netmask, gateway);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
DeleteCommand(struct cmdargs const *arg)
|
|
{
|
|
struct in_addr dest, none;
|
|
int addrs;
|
|
|
|
if (arg->argc == arg->argn+1) {
|
|
if(strcasecmp(arg->argv[arg->argn], "all") == 0) {
|
|
route_IfDelete(arg->bundle, 0);
|
|
route_DeleteAll(&arg->bundle->ncp.ipcp.route);
|
|
} else {
|
|
addrs = 0;
|
|
if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
|
|
dest = arg->bundle->ncp.ipcp.my_ip;
|
|
addrs = ROUTE_DSTMYADDR;
|
|
} else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
|
|
dest = arg->bundle->ncp.ipcp.peer_ip;
|
|
addrs = ROUTE_DSTHISADDR;
|
|
} else {
|
|
if (strcasecmp(arg->argv[arg->argn], "default") == 0)
|
|
dest.s_addr = INADDR_ANY;
|
|
else
|
|
dest = GetIpAddr(arg->argv[arg->argn]);
|
|
addrs = ROUTE_STATIC;
|
|
}
|
|
none.s_addr = INADDR_ANY;
|
|
bundle_SetRoute(arg->bundle, RTM_DELETE, dest, none, none,
|
|
arg->cmd->args ? 1 : 0);
|
|
route_Delete(&arg->bundle->ncp.ipcp.route, addrs, dest);
|
|
}
|
|
} else
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef NOALIAS
|
|
static struct cmdtab const AliasCommands[] =
|
|
{
|
|
{"addr", NULL, alias_RedirectAddr, 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, alias_RedirectPort, 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
|
|
log_Printf(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 (alias_Load() == 0)
|
|
return 0;
|
|
log_Printf(LogWARN, "Cannot load alias library\n");
|
|
return 1;
|
|
} else if (strcasecmp(arg->argv[arg->argn], "no") == 0) {
|
|
alias_Unload();
|
|
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 (alias_IsEnabled()) {
|
|
(*PacketAlias.SetMode)(param, param);
|
|
return 0;
|
|
}
|
|
log_Printf(LogWARN, "alias not enabled\n");
|
|
} else if (strcmp(arg->argv[arg->argn], "no") == 0) {
|
|
if (alias_IsEnabled()) {
|
|
(*PacketAlias.SetMode)(0, param);
|
|
return 0;
|
|
}
|
|
log_Printf(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 system_IsValid()) ! */
|
|
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
|
|
log_Printf(LogWARN, "allow command must have arguments\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
LinkCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc > arg->argn+1) {
|
|
char namelist[LINE_LEN];
|
|
struct datalink *cx;
|
|
char *name;
|
|
int result = 0;
|
|
|
|
if (!strcmp(arg->argv[arg->argn], "*")) {
|
|
struct datalink *dl;
|
|
|
|
cx = arg->bundle->links;
|
|
while (cx) {
|
|
/* Watch it, the command could be a ``remove'' */
|
|
dl = cx->next;
|
|
FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
|
|
arg->prompt, cx);
|
|
for (cx = arg->bundle->links; cx; cx = cx->next)
|
|
if (cx == dl)
|
|
break; /* Pointer's still valid ! */
|
|
}
|
|
} else {
|
|
strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
|
|
namelist[sizeof namelist - 1] = '\0';
|
|
for(name = strtok(namelist, ", "); name; name = strtok(NULL,", "))
|
|
if (!bundle2datalink(arg->bundle, name)) {
|
|
log_Printf(LogWARN, "link: %s: Invalid link name\n", name);
|
|
return 1;
|
|
}
|
|
|
|
strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
|
|
namelist[sizeof namelist - 1] = '\0';
|
|
for(name = strtok(namelist, ", "); name; name = strtok(NULL,", ")) {
|
|
cx = bundle2datalink(arg->bundle, name);
|
|
if (cx)
|
|
FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
|
|
arg->prompt, cx);
|
|
else {
|
|
log_Printf(LogWARN, "link: %s: Invalidated link name !\n", name);
|
|
result++;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
log_Printf(LogWARN, "Usage: %s\n", arg->cmd->syntax);
|
|
return 2;
|
|
}
|
|
|
|
struct link *
|
|
command_ChooseLink(struct cmdargs const *arg)
|
|
{
|
|
if (arg->cx)
|
|
return &arg->cx->physical->link;
|
|
else if (arg->bundle->ncp.mp.cfg.mrru)
|
|
return &arg->bundle->ncp.mp.link;
|
|
else {
|
|
struct datalink *dl = bundle2datalink(arg->bundle, NULL);
|
|
return dl ? &dl->physical->link : NULL;
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
ident_cmd(const char *cmd, unsigned *keep, unsigned *add)
|
|
{
|
|
const char *result;
|
|
|
|
switch (*cmd) {
|
|
case 'A':
|
|
case 'a':
|
|
result = "accept";
|
|
*keep = NEG_MYMASK;
|
|
*add = NEG_ACCEPTED;
|
|
break;
|
|
case 'D':
|
|
case 'd':
|
|
switch (cmd[1]) {
|
|
case 'E':
|
|
case 'e':
|
|
result = "deny";
|
|
*keep = NEG_MYMASK;
|
|
*add = 0;
|
|
break;
|
|
case 'I':
|
|
case 'i':
|
|
result = "disable";
|
|
*keep = NEG_HISMASK;
|
|
*add = 0;
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
break;
|
|
case 'E':
|
|
case 'e':
|
|
result = "enable";
|
|
*keep = NEG_HISMASK;
|
|
*add = NEG_ENABLED;
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static int
|
|
OptSet(struct cmdargs const *arg)
|
|
{
|
|
int bit = (int)arg->cmd->args;
|
|
const char *cmd;
|
|
unsigned keep; /* Keep these bits */
|
|
unsigned add; /* Add these bits */
|
|
|
|
if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
|
|
return 1;
|
|
|
|
if (add)
|
|
arg->bundle->cfg.opt |= bit;
|
|
else
|
|
arg->bundle->cfg.opt &= ~bit;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
NegotiateSet(struct cmdargs const *arg)
|
|
{
|
|
int param = (int)arg->cmd->args;
|
|
struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
|
|
struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
|
|
const char *cmd;
|
|
unsigned keep; /* Keep these bits */
|
|
unsigned add; /* Add these bits */
|
|
|
|
if (!l)
|
|
return -1;
|
|
|
|
if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
|
|
return 1;
|
|
|
|
if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
|
|
log_Printf(LogWARN, "%s %s: No context (use the `link' command)\n",
|
|
cmd, arg->cmd->name);
|
|
return 2;
|
|
} else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
|
|
log_Printf(LogWARN, "%s %s: Redundant context (%s) ignored\n",
|
|
cmd, arg->cmd->name, cx->name);
|
|
cx = NULL;
|
|
}
|
|
|
|
switch (param) {
|
|
case NEG_ACFCOMP:
|
|
cx->physical->link.lcp.cfg.acfcomp &= keep;
|
|
cx->physical->link.lcp.cfg.acfcomp |= add;
|
|
break;
|
|
case NEG_CHAP:
|
|
cx->physical->link.lcp.cfg.chap &= keep;
|
|
cx->physical->link.lcp.cfg.chap |= add;
|
|
break;
|
|
case NEG_DEFLATE:
|
|
l->ccp.cfg.neg[CCP_NEG_DEFLATE] &= keep;
|
|
l->ccp.cfg.neg[CCP_NEG_DEFLATE] |= add;
|
|
break;
|
|
case NEG_DNS:
|
|
arg->bundle->ncp.ipcp.cfg.ns.dns_neg &= keep;
|
|
arg->bundle->ncp.ipcp.cfg.ns.dns_neg |= add;
|
|
break;
|
|
case NEG_LQR:
|
|
cx->physical->link.lcp.cfg.lqr &= keep;
|
|
cx->physical->link.lcp.cfg.lqr |= add;
|
|
break;
|
|
case NEG_PAP:
|
|
cx->physical->link.lcp.cfg.pap &= keep;
|
|
cx->physical->link.lcp.cfg.pap |= add;
|
|
break;
|
|
case NEG_PPPDDEFLATE:
|
|
l->ccp.cfg.neg[CCP_NEG_DEFLATE24] &= keep;
|
|
l->ccp.cfg.neg[CCP_NEG_DEFLATE24] |= add;
|
|
break;
|
|
case NEG_PRED1:
|
|
l->ccp.cfg.neg[CCP_NEG_PRED1] &= keep;
|
|
l->ccp.cfg.neg[CCP_NEG_PRED1] |= add;
|
|
break;
|
|
case NEG_PROTOCOMP:
|
|
cx->physical->link.lcp.cfg.protocomp &= keep;
|
|
cx->physical->link.lcp.cfg.protocomp |= add;
|
|
break;
|
|
case NEG_SHORTSEQ:
|
|
if (bundle_Phase(arg->bundle) != PHASE_DEAD)
|
|
log_Printf(LogWARN, "shortseq: Only changable at phase DEAD\n");
|
|
else {
|
|
arg->bundle->ncp.mp.cfg.shortseq &= keep;
|
|
arg->bundle->ncp.mp.cfg.shortseq |= add;
|
|
}
|
|
break;
|
|
case NEG_VJCOMP:
|
|
arg->bundle->ncp.ipcp.cfg.vj.neg &= keep;
|
|
arg->bundle->ncp.ipcp.cfg.vj.neg |= add;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct cmdtab const NegotiateCommands[] = {
|
|
{"idcheck", NULL, OptSet, LOCAL_AUTH, "Check FSM reply ids",
|
|
"disable|enable", (const void *)OPT_IDCHECK},
|
|
{"loopback", NULL, OptSet, LOCAL_AUTH, "Loop packets for local iface",
|
|
"disable|enable", (const void *)OPT_LOOPBACK},
|
|
{"passwdauth", NULL, OptSet, LOCAL_AUTH, "Use passwd file",
|
|
"disable|enable", (const void *)OPT_PASSWDAUTH},
|
|
{"proxy", NULL, OptSet, LOCAL_AUTH, "Create proxy ARP entry",
|
|
"disable|enable", (const void *)OPT_PROXY},
|
|
{"sroutes", NULL, OptSet, LOCAL_AUTH, "Use sticky routes",
|
|
"disable|enable", (const void *)OPT_SROUTES},
|
|
{"throughput", NULL, OptSet, LOCAL_AUTH, "Rolling throughput",
|
|
"disable|enable", (const void *)OPT_THROUGHPUT},
|
|
{"utmp", NULL, OptSet, LOCAL_AUTH, "Log connections in utmp",
|
|
"disable|enable", (const void *)OPT_UTMP},
|
|
|
|
#define OPT_MAX 7 /* accept/deny allowed below and not above */
|
|
|
|
{"acfcomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
|
|
"Address & Control field compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_ACFCOMP},
|
|
{"chap", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
|
|
"Challenge Handshake Authentication Protocol", "accept|deny|disable|enable",
|
|
(const void *)NEG_CHAP},
|
|
{"deflate", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Deflate compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_DEFLATE},
|
|
{"deflate24", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Deflate (type 24) compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_PPPDDEFLATE},
|
|
{"dns", NULL, NegotiateSet, LOCAL_AUTH,
|
|
"DNS specification", "accept|deny|disable|enable", (const void *)NEG_DNS},
|
|
{"lqr", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
|
|
"Link Quality Reports", "accept|deny|disable|enable",
|
|
(const void *)NEG_LQR},
|
|
{"pap", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
|
|
"Password Authentication protocol", "accept|deny|disable|enable",
|
|
(const void *)NEG_PAP},
|
|
{"pred1", "predictor1", NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
|
|
"Predictor 1 compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_PRED1},
|
|
{"protocomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
|
|
"Protocol field compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_PROTOCOMP},
|
|
{"shortseq", NULL, NegotiateSet, LOCAL_AUTH,
|
|
"MP Short Sequence Numbers", "accept|deny|disable|enable",
|
|
(const void *)NEG_SHORTSEQ},
|
|
{"vjcomp", NULL, NegotiateSet, LOCAL_AUTH,
|
|
"Van Jacobson header compression", "accept|deny|disable|enable",
|
|
(const void *)NEG_VJCOMP},
|
|
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", "accept|deny|disable|enable help|? [value]",
|
|
NegotiateCommands},
|
|
{NULL, NULL, NULL},
|
|
};
|
|
|
|
static int
|
|
NegotiateCommand(struct cmdargs const *arg)
|
|
{
|
|
if (arg->argc > arg->argn) {
|
|
char const *argv[3];
|
|
unsigned keep, add;
|
|
int n;
|
|
|
|
if ((argv[0] = ident_cmd(arg->argv[arg->argn-1], &keep, &add)) == NULL)
|
|
return -1;
|
|
argv[2] = NULL;
|
|
|
|
for (n = arg->argn; n < arg->argc; n++) {
|
|
argv[1] = arg->argv[n];
|
|
FindExec(arg->bundle, NegotiateCommands + (keep == NEG_HISMASK ?
|
|
0 : OPT_MAX), 2, 1, argv, arg->prompt, arg->cx);
|
|
}
|
|
} else if (arg->prompt)
|
|
prompt_Printf(arg->prompt, "Use `%s ?' to get a list.\n",
|
|
arg->argv[arg->argn-1]);
|
|
else
|
|
log_Printf(LogWARN, "%s command must have arguments\n",
|
|
arg->argv[arg->argn] );
|
|
|
|
return 0;
|
|
}
|
|
|
|
const char *
|
|
command_ShowNegval(unsigned val)
|
|
{
|
|
switch (val&3) {
|
|
case 1: return "disabled & accepted";
|
|
case 2: return "enabled & denied";
|
|
case 3: return "enabled & accepted";
|
|
}
|
|
return "disabled & denied";
|
|
}
|
|
|
|
static int
|
|
ClearCommand(struct cmdargs const *arg)
|
|
{
|
|
struct pppThroughput *t;
|
|
struct datalink *cx;
|
|
int i, clear_type;
|
|
|
|
if (arg->argc < arg->argn + 1)
|
|
return -1;
|
|
|
|
if (strcasecmp(arg->argv[arg->argn], "modem") == 0) {
|
|
cx = arg->cx;
|
|
if (!cx)
|
|
cx = bundle2datalink(arg->bundle, NULL);
|
|
if (!cx) {
|
|
log_Printf(LogWARN, "A link must be specified for ``clear modem''\n");
|
|
return 1;
|
|
}
|
|
t = &cx->physical->link.throughput;
|
|
} else if (strcasecmp(arg->argv[arg->argn], "ipcp") == 0)
|
|
t = &arg->bundle->ncp.ipcp.throughput;
|
|
else
|
|
return -1;
|
|
|
|
if (arg->argc > arg->argn + 1) {
|
|
clear_type = 0;
|
|
for (i = arg->argn + 1; i < arg->argc; i++)
|
|
if (strcasecmp(arg->argv[i], "overall") == 0)
|
|
clear_type |= THROUGHPUT_OVERALL;
|
|
else if (strcasecmp(arg->argv[i], "current") == 0)
|
|
clear_type |= THROUGHPUT_CURRENT;
|
|
else if (strcasecmp(arg->argv[i], "peak") == 0)
|
|
clear_type |= THROUGHPUT_PEAK;
|
|
else
|
|
return -1;
|
|
} else
|
|
clear_type = THROUGHPUT_ALL;
|
|
|
|
throughput_clear(t, clear_type, arg->prompt);
|
|
return 0;
|
|
}
|