1124 lines
26 KiB
C
1124 lines
26 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 1.33 1997/03/10 06:21:00 ache Exp $
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*
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <termios.h>
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#include <sys/wait.h>
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#include <time.h>
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#include "fsm.h"
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#include "phase.h"
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#include "lcp.h"
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#include "ipcp.h"
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#include "modem.h"
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#include "filter.h"
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#include "command.h"
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#include "hdlc.h"
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#include "vars.h"
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#include "auth.h"
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#include <netdb.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <net/route.h>
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#include "os.h"
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#include <paths.h>
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extern int MakeArgs();
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extern void Cleanup(), TtyTermMode(), PacketMode();
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extern int EnableCommand(), DisableCommand(), DisplayCommand();
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extern int AcceptCommand(), DenyCommand();
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extern int LocalAuthCommand();
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extern int LoadCommand(), SaveCommand();
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extern int ChangeParity(char *);
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extern int SelectSystem();
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extern int ShowRoute();
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extern void TtyOldMode(), TtyCommandMode();
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extern struct pppvars pppVars;
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extern struct cmdtab const SetCommands[];
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extern char *IfDevName;
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struct in_addr ifnetmask;
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int randinit;
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static int ShowCommand(), TerminalCommand(), QuitCommand();
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static int CloseCommand(), DialCommand(), DownCommand();
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static int SetCommand(), AddCommand(), DeleteCommand();
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static int ShellCommand();
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static int
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HelpCommand(list, argc, argv, plist)
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struct cmdtab *list;
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int argc;
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char **argv;
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struct cmdtab *plist;
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{
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struct cmdtab *cmd;
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int n;
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char c;
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if (argc > 0) {
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for (cmd = plist; cmd->name; cmd++) {
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if (strcmp(cmd->name, *argv) == 0 && (cmd->lauth & VarLocalAuth)) {
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if (plist == SetCommands)
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printf("set ");
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printf("%s %s\n", cmd->name, cmd->syntax);
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return(1);
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}
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}
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return(1);
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}
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n = 0;
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for (cmd = plist; cmd->func; cmd++) {
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if (cmd->name && (cmd->lauth & VarLocalAuth)) {
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c = (n & 1)? '\n' : '\t';
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printf(" %-8s: %-20s%c", cmd->name, cmd->helpmes, c);
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n++;
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}
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}
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if (n & 1)
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printf("\n");
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return(1);
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}
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int
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IsInteractive()
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{
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char *mes = NULL;
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if (mode & MODE_DDIAL)
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mes = "Working in dedicated dial mode.";
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else if (mode & MODE_AUTO)
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mes = "Working in auto mode.";
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else if (mode & MODE_DIRECT)
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mes = "Working in direct mode.";
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else if (mode & MODE_DEDICATED)
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mes = "Working in dedicated mode.";
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if (mes) {
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printf("%s\n", mes);
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return(0);
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}
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return(1);
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}
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static int
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DialCommand(cmdlist, argc, argv)
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struct cmdtab *cmdlist;
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int argc;
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char **argv;
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{
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int tries;
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if (LcpFsm.state > ST_CLOSED) {
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printf("LCP state is [%s]\n", StateNames[LcpFsm.state]);
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return(1);
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}
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if (!IsInteractive())
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return(1);
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if (argc > 0) {
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if (SelectSystem(*argv, CONFFILE) < 0) {
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printf("%s: not found.\n", *argv);
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return(1);
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}
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}
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tries = 0;
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do {
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printf("Dial attempt %u\n", ++tries);
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modem = OpenModem(mode);
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if (modem < 0) {
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printf("failed to open modem.\n");
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break;
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}
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if (DialModem()) {
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sleep(1);
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ModemTimeout();
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PacketMode();
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break;
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}
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} while (VarDialTries == 0 || tries < VarDialTries);
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return(1);
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}
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static int
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ShellCommand(cmdlist, argc, argv)
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struct cmdtab *cmdlist;
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int argc;
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char **argv;
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{
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const char *shell;
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pid_t shpid;
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if((shell = getenv("SHELL")) == 0) {
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shell = _PATH_BSHELL;
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}
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#ifdef SHELL_ONLY_INTERACTIVELY
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#ifndef HAVE_SHELL_CMD_WITH_ANY_MODE
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if( mode != MODE_INTER) {
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fprintf(stdout,
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"Can only start a shell in interactive mode\n");
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return(1);
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}
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#else
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if(argc == 0 && !(mode & MODE_INTER)) {
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fprintf(stderr,
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"Can only start an interactive shell in interactive mode\n");
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return(1);
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}
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#endif /* HAVE_SHELL_CMD_WITH_ANY_MODE */
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#else
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if ((mode & (MODE_AUTO|MODE_INTER)) == (MODE_AUTO|MODE_INTER)) {
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fprintf(stdout,
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"Shell is not allowed interactively in auto mode\n");
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return(1);
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}
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#endif /* SHELL_ONLY_INTERACTIVELY */
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if((shpid = fork()) == 0) {
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int dtablesize, i ;
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for (dtablesize = getdtablesize(), i = 3; i < dtablesize; i++)
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(void)close(i);
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/*
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* We are running setuid, we should change to
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* real user for avoiding security problems.
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*/
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if (setgid(getgid()) < 0) {
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perror("setgid");
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exit(1);
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}
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if (setuid(getuid()) < 0) {
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perror("setuid");
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exit(1);
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}
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TtyOldMode();
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if(argc > 0) {
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/* substitute pseudo args */
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for (i=1; i<argc; i++) {
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if (strcmp(argv[i], "HISADDR") == 0) {
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argv[i] = strdup(inet_ntoa(IpcpInfo.his_ipaddr));
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}
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if (strcmp(argv[i], "INTERFACE") == 0) {
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argv[i] = strdup(IfDevName);
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}
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if (strcmp(argv[i], "MYADDR") == 0) {
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argv[i] = strdup(inet_ntoa(IpcpInfo.want_ipaddr));
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}
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}
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execvp(argv[0], argv);
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}
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else
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execl(shell, shell, NULL);
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fprintf(stdout, "exec() of %s failed\n", argc > 0? argv[0]: shell);
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exit(255);
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}
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if( shpid == (pid_t)-1 ) {
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fprintf(stdout, "Fork failed\n");
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} else {
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int status;
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(void)waitpid(shpid, &status, 0);
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}
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TtyCommandMode(1);
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return(0);
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}
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static char StrOption[] = "option ..";
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static char StrRemote[] = "[remote]";
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char StrNull[] = "";
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struct cmdtab const Commands[] = {
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{ "accept", NULL, AcceptCommand, LOCAL_AUTH,
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"accept option request", StrOption},
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{ "add", NULL, AddCommand, LOCAL_AUTH,
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"add route", "dest mask gateway"},
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{ "close", NULL, CloseCommand, LOCAL_AUTH,
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"Close connection", StrNull},
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{ "delete", NULL, DeleteCommand, LOCAL_AUTH,
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"delete route", "ALL | dest gateway [mask]"},
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{ "deny", NULL, DenyCommand, LOCAL_AUTH,
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"Deny option request", StrOption},
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{ "dial", "call", DialCommand, LOCAL_AUTH,
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"Dial and login", StrRemote},
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{ "disable", NULL, DisableCommand, LOCAL_AUTH,
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"Disable option", StrOption},
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{ "display", NULL, DisplayCommand, LOCAL_AUTH,
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"Display option configs", StrNull},
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{ "enable", NULL, EnableCommand, LOCAL_AUTH,
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"Enable option", StrOption},
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{ "passwd", NULL, LocalAuthCommand,LOCAL_NO_AUTH,
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"Password for manipulation", StrOption},
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{ "load", NULL, LoadCommand, LOCAL_AUTH,
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"Load settings", StrRemote},
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{ "save", NULL, SaveCommand, LOCAL_AUTH,
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"Save settings", StrNull},
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{ "set", "setup", SetCommand, LOCAL_AUTH,
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"Set parameters", "var value"},
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{ "shell", "!", ShellCommand, LOCAL_AUTH,
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"Run a subshell", "[sh command]"},
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{ "show", NULL, ShowCommand, LOCAL_AUTH,
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"Show status and statictics", "var"},
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{ "term", NULL, TerminalCommand,LOCAL_AUTH,
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"Enter to terminal mode", StrNull},
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{ "quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
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"Quit PPP program", "[all]"},
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{ "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
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"Display this message", "[command]", (void *)Commands },
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{ NULL, "down", DownCommand, LOCAL_AUTH,
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"Generate down event", StrNull},
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{ NULL, NULL, NULL },
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};
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extern int ReportCcpStatus();
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extern int ReportLcpStatus();
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extern int ReportIpcpStatus();
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extern int ReportProtStatus();
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extern int ReportCompress();
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extern int ShowModemStatus();
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extern int ReportHdlcStatus();
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extern int ShowMemMap();
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static char *LogLevelName[] = {
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LM_PHASE, LM_CHAT, LM_LQM, LM_LCP,
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LM_TCPIP, LM_HDLC, LM_ASYNC, LM_LINK,
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LM_CONNECT, LM_CARRIER,
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};
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static int ShowDebugLevel()
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{
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int i;
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printf("%02x: ", loglevel);
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for (i = LOG_PHASE; i < MAXLOGLEVEL; i++) {
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if (loglevel & (1 << i))
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printf("%s ", LogLevelName[i]);
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}
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printf("\n");
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return(1);
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}
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static int ShowEscape()
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{
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int code, bit;
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if (EscMap[32]) {
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for (code = 0; code < 32; code++) {
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if (EscMap[code]) {
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for (bit = 0; bit < 8; bit++) {
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if (EscMap[code] & (1<<bit)) {
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printf(" 0x%02x", (code << 3) + bit);
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}
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}
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}
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}
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printf("\n");
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}
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return(1);
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}
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static int ShowTimeout()
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{
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printf(" Idle Timer: %d secs LQR Timer: %d secs Retry Timer: %d secs\n",
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VarIdleTimeout, VarLqrTimeout, VarRetryTimeout);
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return(1);
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}
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static int ShowAuthKey()
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{
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printf("AuthName = %s\n", VarAuthName);
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printf("AuthKey = %s\n", VarAuthKey);
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return(1);
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}
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static int ShowVersion()
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{
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extern char VarVersion[];
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extern char VarLocalVersion[];
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printf("%s - %s \n", VarVersion, VarLocalVersion);
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return(1);
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}
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static int ShowLogList()
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{
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ListLog();
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return(1);
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}
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static int ShowRedial()
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{
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printf(" Redial Timer: ");
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if (VarRedialTimeout >= 0) {
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printf(" %d seconds, ", VarRedialTimeout);
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}
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else {
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printf(" Random 0 - %d seconds, ", REDIAL_PERIOD);
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}
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if (VarDialTries)
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printf("%d dial tries", VarDialTries);
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printf("\n");
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return(1);
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}
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#ifdef MSEXT
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static int ShowMSExt()
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{
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printf(" MS PPP extention values \n" );
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printf(" Primary NS : %s\n", inet_ntoa( ns_entries[0] ));
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printf(" Secondary NS : %s\n", inet_ntoa( ns_entries[1] ));
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printf(" Primary NBNS : %s\n", inet_ntoa( nbns_entries[0] ));
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printf(" Secondary NBNS : %s\n", inet_ntoa( nbns_entries[1] ));
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return(1);
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}
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#endif /* MSEXT */
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extern int ShowIfilter(), ShowOfilter(), ShowDfilter(), ShowAfilter();
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struct cmdtab const ShowCommands[] = {
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{ "afilter", NULL, ShowAfilter, LOCAL_AUTH,
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"Show keep Alive filters", StrOption},
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{ "auth", NULL, ShowAuthKey, LOCAL_AUTH,
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"Show auth name/key", StrNull},
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{ "ccp", NULL, ReportCcpStatus, LOCAL_AUTH,
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"Show CCP status", StrNull},
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{ "compress", NULL, ReportCompress, LOCAL_AUTH,
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"Show compression statictics", StrNull},
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{ "debug", NULL, ShowDebugLevel, LOCAL_AUTH,
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"Show current debug level", StrNull},
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{ "dfilter", NULL, ShowDfilter, LOCAL_AUTH,
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"Show Demand filters", StrOption},
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{ "escape", NULL, ShowEscape, LOCAL_AUTH,
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"Show escape characters", StrNull},
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{ "hdlc", NULL, ReportHdlcStatus, LOCAL_AUTH,
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"Show HDLC error summary", StrNull},
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{ "ifilter", NULL, ShowIfilter, LOCAL_AUTH,
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"Show Input filters", StrOption},
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{ "ipcp", NULL, ReportIpcpStatus, LOCAL_AUTH,
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"Show IPCP status", StrNull},
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{ "lcp", NULL, ReportLcpStatus, LOCAL_AUTH,
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"Show LCP status", StrNull},
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{ "log", NULL, ShowLogList, LOCAL_AUTH,
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"Show log records", StrNull},
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{ "mem", NULL, ShowMemMap, LOCAL_AUTH,
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"Show memory map", StrNull},
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{ "modem", NULL, ShowModemStatus, LOCAL_AUTH,
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"Show modem setups", StrNull},
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{ "ofilter", NULL, ShowOfilter, LOCAL_AUTH,
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"Show Output filters", StrOption},
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{ "proto", NULL, ReportProtStatus, LOCAL_AUTH,
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"Show protocol summary", StrNull},
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{ "route", NULL, ShowRoute, LOCAL_AUTH,
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"Show routing table", StrNull},
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{ "timeout", NULL, ShowTimeout, LOCAL_AUTH,
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"Show Idle timeout value", StrNull},
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{ "redial", NULL, ShowRedial, LOCAL_AUTH,
|
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"Show Redial timeout value", StrNull},
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#ifdef MSEXT
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{ "msext", NULL, ShowMSExt, LOCAL_AUTH,
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"Show MS PPP extentions", StrNull},
|
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#endif /* MSEXT */
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{ "version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH,
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"Show version string", StrNull},
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{ "help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH,
|
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"Display this message", StrNull, (void *)ShowCommands},
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{ NULL, NULL, NULL },
|
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};
|
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|
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struct cmdtab *
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FindCommand(cmds, str, pmatch)
|
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struct cmdtab *cmds;
|
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char *str;
|
|
int *pmatch;
|
|
{
|
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int nmatch = 0;
|
|
int len = strlen(str);
|
|
struct cmdtab *found = NULL;
|
|
|
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while (cmds->func) {
|
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if (cmds->name && strncmp(str, cmds->name, len) == 0) {
|
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nmatch++;
|
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found = cmds;
|
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} else if (cmds->alias && strncmp(str, cmds->alias, len) == 0) {
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nmatch++;
|
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found = cmds;
|
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}
|
|
cmds++;
|
|
}
|
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*pmatch = nmatch;
|
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return(found);
|
|
}
|
|
|
|
int
|
|
FindExec(cmdlist, argc, argv)
|
|
struct cmdtab *cmdlist;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
struct cmdtab *cmd;
|
|
int val = 1;
|
|
int nmatch;
|
|
|
|
cmd = FindCommand(cmdlist, *argv, &nmatch);
|
|
if (nmatch > 1)
|
|
printf("Ambiguous.\n");
|
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else if (cmd && ( cmd->lauth & VarLocalAuth ) )
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val = (cmd->func)(cmd, --argc, ++argv, cmd->args);
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else
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printf("what?\n");
|
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return(val);
|
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}
|
|
|
|
int aft_cmd = 1;
|
|
|
|
void
|
|
Prompt()
|
|
{
|
|
char *pconnect, *pauth;
|
|
|
|
if (!(mode & MODE_INTER))
|
|
return;
|
|
|
|
if (!aft_cmd)
|
|
printf("\n");
|
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else
|
|
aft_cmd = 0;
|
|
|
|
if ( VarLocalAuth == LOCAL_AUTH )
|
|
pauth = " ON ";
|
|
else
|
|
pauth = " on ";
|
|
if (IpcpFsm.state == ST_OPENED && phase == PHASE_NETWORK)
|
|
pconnect = "PPP";
|
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else
|
|
pconnect = "ppp";
|
|
printf("%s%s%s> ", pconnect, pauth, VarShortHost);
|
|
fflush(stdout);
|
|
}
|
|
|
|
void
|
|
DecodeCommand(buff, nb, prompt)
|
|
char *buff;
|
|
int nb;
|
|
int prompt;
|
|
{
|
|
char *vector[20];
|
|
char **argv;
|
|
int argc, val;
|
|
char *cp;
|
|
|
|
val = 1;
|
|
if (nb > 0) {
|
|
cp = buff + strcspn(buff, "\r\n");
|
|
if (cp)
|
|
*cp = '\0';
|
|
{
|
|
argc = MakeArgs(buff, &vector);
|
|
argv = vector;
|
|
|
|
if (argc > 0)
|
|
val = FindExec(Commands, argc, argv);
|
|
}
|
|
}
|
|
if (val && prompt)
|
|
Prompt(0);
|
|
}
|
|
|
|
static int
|
|
ShowCommand(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int val = 1;
|
|
|
|
if (argc > 0)
|
|
val = FindExec(ShowCommands, argc, argv);
|
|
else
|
|
printf("Use ``show ?'' to get a list.\n");
|
|
return(val);
|
|
}
|
|
|
|
static int
|
|
TerminalCommand()
|
|
{
|
|
if (LcpFsm.state > ST_CLOSED) {
|
|
printf("LCP state is [%s]\n", StateNames[LcpFsm.state]);
|
|
return(1);
|
|
}
|
|
if (!IsInteractive())
|
|
return(1);
|
|
modem = OpenModem(mode);
|
|
if (modem < 0) {
|
|
printf("failed to open modem.\n");
|
|
return(1);
|
|
}
|
|
printf("Enter to terminal mode.\n");
|
|
printf("Type `~?' for help.\n");
|
|
TtyTermMode();
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
QuitCommand(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
if (mode & (MODE_DIRECT|MODE_DEDICATED|MODE_AUTO)) {
|
|
if (argc > 0 && (VarLocalAuth & LOCAL_AUTH)) {
|
|
Cleanup(EX_NORMAL);
|
|
mode &= ~MODE_INTER;
|
|
} else {
|
|
VarLocalAuth = LOCAL_NO_AUTH;
|
|
close(netfd);
|
|
close(1);
|
|
dup2(2, 1); /* Have to have something here or the modem will be 1 */
|
|
netfd = -1;
|
|
mode &= ~MODE_INTER;
|
|
}
|
|
} else
|
|
Cleanup(EX_NORMAL);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
CloseCommand()
|
|
{
|
|
LcpClose();
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
DownCommand()
|
|
{
|
|
LcpDown();
|
|
return(1);
|
|
}
|
|
|
|
static int SetModemSpeed(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int speed;
|
|
|
|
if (argc > 0) {
|
|
if (strcmp(*argv, "sync") == 0) {
|
|
VarSpeed = 0;
|
|
return(1);
|
|
}
|
|
speed = atoi(*argv);
|
|
if (IntToSpeed(speed) != B0) {
|
|
VarSpeed = speed;
|
|
return(1);
|
|
}
|
|
printf("invalid speed.\n");
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int SetRedialTimeout(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int timeout;
|
|
int tries;
|
|
|
|
if (argc == 1 || argc == 2 ) {
|
|
if (strcasecmp(argv[0], "random") == 0) {
|
|
VarRedialTimeout = -1;
|
|
printf("Using random redial timeout.\n");
|
|
if (!randinit) {
|
|
srandom((unsigned)(time(NULL) ^ getpid()));
|
|
randinit = 1;
|
|
}
|
|
}
|
|
else {
|
|
timeout = atoi(argv[0]);
|
|
|
|
if (timeout >= 0) {
|
|
VarRedialTimeout = timeout;
|
|
}
|
|
else {
|
|
printf("invalid redial timeout\n");
|
|
printf("Usage: %s %s\n", list->name, list->syntax);
|
|
}
|
|
}
|
|
if (argc == 2) {
|
|
tries = atoi(argv[1]);
|
|
|
|
if (tries >= 0) {
|
|
VarDialTries = tries;
|
|
}
|
|
else {
|
|
printf("invalid retry value\n");
|
|
printf("Usage: %s %s\n", list->name, list->syntax);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
printf("Usage: %s %s\n", list->name, list->syntax);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int SetModemParity(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int parity;
|
|
|
|
if (argc > 0) {
|
|
parity = ChangeParity(*argv);
|
|
if (parity < 0)
|
|
printf("Invalid parity.\n");
|
|
else
|
|
VarParity = parity;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
SetDebugLevel(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int level, w;
|
|
|
|
for (level = 0; argc-- > 0; argv++) {
|
|
if (isdigit(**argv)) {
|
|
w = atoi(*argv);
|
|
if (w < 0 || w >= MAXLOGLEVEL) {
|
|
printf("invalid log level.\n");
|
|
break;
|
|
} else
|
|
level |= (1 << w);
|
|
} else {
|
|
for (w = 0; w < MAXLOGLEVEL; w++) {
|
|
if (strcasecmp(*argv, LogLevelName[w]) == 0) {
|
|
level |= (1 << w);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
loglevel = level;
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
SetEscape(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int code;
|
|
|
|
for (code = 0; code < 33; code++)
|
|
EscMap[code] = 0;
|
|
while (argc-- > 0) {
|
|
sscanf(*argv++, "%x", &code);
|
|
code &= 0xff;
|
|
EscMap[code >> 3] |= (1 << (code&7));
|
|
EscMap[32] = 1;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
SetInitialMRU(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int mru;
|
|
|
|
if (argc > 0) {
|
|
mru = atoi(*argv);
|
|
if (mru < 100)
|
|
printf("given value is too small.\n");
|
|
else if (mru > MAX_MRU)
|
|
printf("given value is too big.\n");
|
|
else
|
|
VarMRU = mru;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
SetIdleTimeout(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
if (argc-- > 0) {
|
|
VarIdleTimeout = atoi(*argv++);
|
|
if (argc-- > 0) {
|
|
VarLqrTimeout = atoi(*argv++);
|
|
if (VarLqrTimeout < 1)
|
|
VarLqrTimeout = 30;
|
|
if (argc > 0) {
|
|
VarRetryTimeout = atoi(*argv);
|
|
if (VarRetryTimeout < 1 || VarRetryTimeout > 10)
|
|
VarRetryTimeout = 3;
|
|
}
|
|
}
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
struct in_addr
|
|
GetIpAddr(cp)
|
|
char *cp;
|
|
{
|
|
struct hostent *hp;
|
|
struct in_addr ipaddr;
|
|
|
|
hp = gethostbyname(cp);
|
|
if (hp && hp->h_addrtype == AF_INET)
|
|
bcopy(hp->h_addr, &ipaddr, hp->h_length);
|
|
else if (inet_aton(cp, &ipaddr) == 0)
|
|
ipaddr.s_addr = 0;
|
|
return(ipaddr);
|
|
}
|
|
|
|
static int
|
|
SetInterfaceAddr(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
|
|
DefMyAddress.ipaddr.s_addr = DefHisAddress.ipaddr.s_addr = 0L;
|
|
if (argc > 0) {
|
|
ParseAddr(argc, argv++,
|
|
&DefMyAddress.ipaddr, &DefMyAddress.mask, &DefMyAddress.width);
|
|
if (--argc > 0) {
|
|
ParseAddr(argc, argv++,
|
|
&DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width);
|
|
if (--argc > 0) {
|
|
ifnetmask = GetIpAddr(*argv);
|
|
if (--argc > 0) {
|
|
ParseAddr(argc, argv++,
|
|
&DefTriggerAddress.ipaddr,
|
|
&DefTriggerAddress.mask,
|
|
&DefTriggerAddress.width);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* For backwards compatibility, 0.0.0.0 means any address.
|
|
*/
|
|
if (DefMyAddress.ipaddr.s_addr == 0) {
|
|
DefMyAddress.mask.s_addr = 0;
|
|
DefMyAddress.width = 0;
|
|
}
|
|
if (DefHisAddress.ipaddr.s_addr == 0) {
|
|
DefHisAddress.mask.s_addr = 0;
|
|
DefHisAddress.width = 0;
|
|
}
|
|
|
|
if ((mode & MODE_AUTO) ||
|
|
((mode & MODE_DEDICATED) && dstsystem)) {
|
|
OsSetIpaddress(DefMyAddress.ipaddr, DefHisAddress.ipaddr, ifnetmask);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
#ifdef MSEXT
|
|
|
|
void
|
|
SetMSEXT(pri_addr, sec_addr, argc, argv)
|
|
struct in_addr *pri_addr;
|
|
struct in_addr *sec_addr;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int dummyint;
|
|
struct in_addr dummyaddr;
|
|
|
|
pri_addr->s_addr = sec_addr->s_addr = 0L;
|
|
|
|
if( argc > 0 ) {
|
|
ParseAddr(argc, argv++, pri_addr, &dummyaddr, &dummyint);
|
|
if( --argc > 0 )
|
|
ParseAddr(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(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
SetMSEXT(&ns_entries[0], &ns_entries[1], argc, argv);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
SetNBNS(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
SetMSEXT(&nbns_entries[0], &nbns_entries[1], argc, argv);
|
|
return(1);
|
|
}
|
|
|
|
#endif /* MS_EXT */
|
|
|
|
#define VAR_AUTHKEY 0
|
|
#define VAR_DIAL 1
|
|
#define VAR_LOGIN 2
|
|
#define VAR_AUTHNAME 3
|
|
#define VAR_DEVICE 4
|
|
#define VAR_ACCMAP 5
|
|
#define VAR_PHONE 6
|
|
|
|
static int
|
|
SetVariable(list, argc, argv, param)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
int param;
|
|
{
|
|
u_long map;
|
|
|
|
if (argc > 0) {
|
|
switch (param) {
|
|
case VAR_AUTHKEY:
|
|
strncpy(VarAuthKey, *argv, sizeof(VarAuthKey)-1);
|
|
VarAuthKey[sizeof(VarAuthKey)-1] = '\0';
|
|
break;
|
|
case VAR_AUTHNAME:
|
|
strncpy(VarAuthName, *argv, sizeof(VarAuthName)-1);
|
|
VarAuthName[sizeof(VarAuthName)-1] = '\0';
|
|
break;
|
|
case VAR_DIAL:
|
|
strncpy(VarDialScript, *argv, sizeof(VarDialScript)-1);
|
|
VarDialScript[sizeof(VarDialScript)-1] = '\0';
|
|
break;
|
|
case VAR_LOGIN:
|
|
strncpy(VarLoginScript, *argv, sizeof(VarLoginScript)-1);
|
|
VarLoginScript[sizeof(VarLoginScript)-1] = '\0';
|
|
break;
|
|
case VAR_DEVICE:
|
|
strncpy(VarDevice, *argv, sizeof(VarDevice)-1);
|
|
VarDevice[sizeof(VarDevice)-1] = '\0';
|
|
break;
|
|
case VAR_ACCMAP:
|
|
sscanf(*argv, "%lx", &map);
|
|
VarAccmap = map;
|
|
break;
|
|
case VAR_PHONE:
|
|
strncpy(VarPhoneList, *argv, sizeof(VarPhoneList)-1);
|
|
VarPhoneList[sizeof(VarPhoneList)-1] = '\0';
|
|
strcpy(VarPhoneCopy, VarPhoneList);
|
|
VarNextPhone = VarPhoneCopy;
|
|
break;
|
|
}
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int SetCtsRts(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
if (argc > 0) {
|
|
if (strcmp(*argv, "on") == 0)
|
|
VarCtsRts = TRUE;
|
|
else if (strcmp(*argv, "off") == 0)
|
|
VarCtsRts = FALSE;
|
|
else
|
|
printf("usage: set ctsrts [on|off].\n");
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
|
|
static int SetOpenMode(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
if (argc > 0) {
|
|
if (strcmp(*argv, "active") == 0)
|
|
VarOpenMode = OPEN_ACTIVE;
|
|
else if (strcmp(*argv, "passive") == 0)
|
|
VarOpenMode = OPEN_PASSIVE;
|
|
else
|
|
printf("Invalid mode.\n");
|
|
}
|
|
return(1);
|
|
}
|
|
static char StrChatStr[] = "chat-script";
|
|
static char StrValue[] = "value";
|
|
|
|
extern int SetIfilter(), SetOfilter(), SetDfilter(), SetAfilter();
|
|
|
|
struct cmdtab const SetCommands[] = {
|
|
{ "accmap", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set accmap value", "hex-value", (void *)VAR_ACCMAP},
|
|
{ "afilter", NULL, SetAfilter, LOCAL_AUTH,
|
|
"Set keep Alive filter", "..."},
|
|
{ "authkey", "key", SetVariable, LOCAL_AUTH,
|
|
"Set authentication key", "key", (void *)VAR_AUTHKEY},
|
|
{ "authname", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set authentication name", "name", (void *)VAR_AUTHNAME},
|
|
{ "ctsrts", NULL, SetCtsRts, LOCAL_AUTH,
|
|
"Use CTS/RTS modem signalling", "[on|off]"},
|
|
{ "debug", NULL, SetDebugLevel, LOCAL_AUTH,
|
|
"Set debug level", StrValue},
|
|
{ "device", "line", SetVariable, LOCAL_AUTH,
|
|
"Set modem device name", "device-name", (void *)VAR_DEVICE},
|
|
{ "dfilter", NULL, SetDfilter, LOCAL_AUTH,
|
|
"Set demand filter", "..."},
|
|
{ "dial", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set dialing script", StrChatStr, (void *)VAR_DIAL},
|
|
{ "escape", NULL, SetEscape, LOCAL_AUTH,
|
|
"Set escape characters", "hex-digit ..."},
|
|
{ "ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH,
|
|
"Set destination address", "[src-addr [dst-addr [netmask [trg-addr]]]]"},
|
|
{ "ifilter", NULL, SetIfilter, LOCAL_AUTH,
|
|
"Set input filter", "..."},
|
|
{ "login", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set login script", StrChatStr, (void *)VAR_LOGIN },
|
|
{ "mru", "mtu", SetInitialMRU, LOCAL_AUTH,
|
|
"Set Initial MRU value", StrValue },
|
|
{ "ofilter", NULL, SetOfilter, LOCAL_AUTH,
|
|
"Set output filter", "..." },
|
|
{ "openmode", NULL, SetOpenMode, LOCAL_AUTH,
|
|
"Set open mode", "[active|passive]"},
|
|
{ "parity", NULL, SetModemParity, LOCAL_AUTH,
|
|
"Set modem parity", "[odd|even|none]"},
|
|
{ "phone", NULL, SetVariable, LOCAL_AUTH,
|
|
"Set telephone number(s)", "phone1[:phone2[...]]", (void *)VAR_PHONE },
|
|
{ "speed", NULL, SetModemSpeed, LOCAL_AUTH,
|
|
"Set modem speed", "speed"},
|
|
{ "timeout", NULL, SetIdleTimeout, LOCAL_AUTH,
|
|
"Set Idle timeout", StrValue},
|
|
{ "redial", NULL, SetRedialTimeout, LOCAL_AUTH,
|
|
"Set Redial timeout", "value|random [dial_attempts]"},
|
|
#ifdef MSEXT
|
|
{ "ns", NULL, SetNS, LOCAL_AUTH,
|
|
"Set NameServer", "pri-addr [sec-addr]"},
|
|
{ "nbns", NULL, SetNBNS, LOCAL_AUTH,
|
|
"Set NetBIOS NameServer", "pri-addr [sec-addr]"},
|
|
#endif /* MSEXT */
|
|
{ "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
|
|
"Display this message", StrNull, (void *)SetCommands},
|
|
{ NULL, NULL, NULL },
|
|
};
|
|
|
|
static int
|
|
SetCommand(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int val = 1;
|
|
|
|
if (argc > 0)
|
|
val = FindExec(SetCommands, argc, argv);
|
|
else
|
|
printf("Use `set ?' to get a list or `set ? <var>' for syntax help.\n");
|
|
return(val);
|
|
}
|
|
|
|
|
|
static int
|
|
AddCommand(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
struct in_addr dest, gateway, netmask;
|
|
|
|
if (argc == 3) {
|
|
dest = GetIpAddr(argv[0]);
|
|
netmask = GetIpAddr(argv[1]);
|
|
if (strcmp(argv[2], "HISADDR") == 0)
|
|
gateway = IpcpInfo.his_ipaddr;
|
|
else
|
|
gateway = GetIpAddr(argv[2]);
|
|
OsSetRoute(RTM_ADD, dest, gateway, netmask);
|
|
} else {
|
|
printf("Usage: %s %s\n", list->name, list->syntax);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
DeleteCommand(list, argc, argv)
|
|
struct cmdtab *list;
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
struct in_addr dest, gateway, netmask;
|
|
|
|
if (argc >= 2) {
|
|
dest = GetIpAddr(argv[0]);
|
|
if (strcmp(argv[1], "HISADDR") == 0)
|
|
gateway = IpcpInfo.his_ipaddr;
|
|
else
|
|
gateway = GetIpAddr(argv[1]);
|
|
netmask.s_addr = 0;
|
|
if (argc == 3) {
|
|
if (inet_aton(argv[1], &netmask) == 0) {
|
|
printf("bad netmask value.\n");
|
|
return(1);
|
|
}
|
|
}
|
|
OsSetRoute(RTM_DELETE, dest, gateway, netmask);
|
|
} else if (argc == 1 && strcmp(argv[0], "ALL") == 0) {
|
|
DeleteIfRoutes(0);
|
|
} else {
|
|
printf("Usage: %s %s\n", list->name, list->syntax);
|
|
}
|
|
return(1);
|
|
}
|
|
|