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- /*
- * options.c - handles option processing for PPP.
- *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * 11/19/96 FAR -- Corrected bug which caused GK's graphical editor
- * to edit the wrong values
- *
- * Modifications added 6/16/96 to support GateKeeper.app
- * Copyright (c) 1996
- *
- * by Felipe A. Rodriguez
- *
- * GateKeeper code is supplied "as is" the author makes no warranty as
- * to its suitability for any purpose. This code is free and may be
- * distributed in accordance with the terms of the:
- *
- * GNU GENERAL PUBLIC LICENSE
- * Version 2, June 1991
- * copyright (C) 1989, 1991 Free Software Foundation, Inc.
- * 675 Mass Ave, Cambridge, MA 02139, USA
- *
- */
-
-
- //#ifndef lint
- //char rcsid[] = "$Id: options.c,v 1.22 1995/06/30 01:52:24 paulus Exp $";
- //#endif
-
- #import <objc/Object.h>
- #import <appkit/Application.h>
- #import <appkit/nextstd.h>
- #import "options.h"
- #import "Coordinator.h"
- #import "OptionsEditor.h"
-
-
- #define S_IRUSR _S_IRUSR /* read permission, */
- #define NGROUPS_MAX 16 /* Number of simultaneous */
- /* supplementary group IDs */
- /* per process. */
- #define S_IRGRP 0000040 /* read permission, group */
- #define S_IROTH 0000004 /* read permission, other */
- #define MAXWORDLEN 1024 /* max length of word in file (incl null) */
- #define MAXARGS 1 /* max # args to a command */
- #define MAXNAMELEN 256 /* max length of hostname or name for auth */
- #define MAXSECRETLEN 256 /* max length of password or secret */
-
- #import <stdio.h>
- #import <errno.h>
- #import <ctype.h>
- #import <unistd.h>
- #import <limits.h>
- #import <stdlib.h>
- #import <termios.h>
- #import <syslog.h>
- #import <string.h>
- #import <netdb.h>
- #import <pwd.h>
- #import <sys/types.h>
- #import <sys/stat.h>
- #import <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
- #import <netinet/in.h>
-
-
- typedef unsigned u_int32_t;
-
- #ifndef GIDSET_TYPE
- #define GIDSET_TYPE int
- #endif
-
- /*
- * Option variables and default values.
- */
- int debug = 0; /* Debug flag */
- int default_device = 1; /* Using /dev/tty or equivalent */
- char devnam[MAXPATHLEN] = "/dev/tty"; /* Device name */
- int crtscts = 0; /* Use hardware flow control */
- int modem = 1; /* Use modem control lines */
- int inspeed = 0; /* Input/Output speed requested */
- int lockflag = 0; /* Create lock file to lock the serial dev */
- int nodetach = 0; /* Don't detach from controlling tty */
- int defaultroute = 0; /* assign default route through interface */
- int proxyarp = 0; /* Set up proxy ARP entry for peer */
- FILE *f;
-
-
- //*****************************************************************************
- //
- // Prototypes for implemented functions
- //
- // GateKeeper supports graphical editing of these parameters
- //
- //*****************************************************************************
-
- static int setspeed (char *arg);
- static int setlock (void);
- static int clearlock (void);
- static int setdefaultroute (void);
- static int cleardefaultroute (void);
- static int setdebug (void);
- static int cleardebug (void);
- static int setd (void);
- static int cleard (void);
- static int setcrtscts (void);
- static int clearcrtscts (void);
- static int setdevname(char *cp);
-
-
- #define __P(x) () // redefine in order to get a clean
- // compile under NeXT
-
- //*****************************************************************************
- //
- // Prototypes for placeholders
- //
- // GateKeeper does not support graphical editing of these parameters
- //
- //*****************************************************************************
-
- static int setkdebug __P((char **));
- static int setpassive __P((void));
- static int setsilent __P((void));
- static int noopt __P((void));
- static int setnovj __P((void));
- static int setnovjccomp __P((void));
- static int setvjslots __P((char **));
- static int reqpap __P((void));
- static int nopap __P((void));
- static int setupapfile __P((char **));
- static int nochap __P((void));
- static int reqchap __P((void));
- static int noaccomp __P((void));
- static int noasyncmap __P((void));
- static int noip __P((void));
- static int nomagicnumber __P((void));
- static int setasyncmap __P((char **));
- static int setescape __P((char **));
- static int setmru __P((char **));
- static int setmtu __P((char **));
- static int setcbcp __P((char **));
- static int nomru __P((void));
- static int nopcomp __P((void));
- static int setconnector __P((char **));
- static int setdisconnector __P((char **));
- static int setwelcomer __P((char **));
- static int setmaxconnect __P((char **));
- static int setdomain __P((char **));
- static int setnetmask __P((char **));
- static int setnocrtscts __P((void));
- static int setxonxoff __P((void));
- static int setnodetach __P((void));
- static int setmodem __P((void));
- static int setlocal __P((void));
- static int setname __P((char **));
- static int setuser __P((char **));
- static int setremote __P((char **));
- static int setauth __P((void));
- static int setnoauth __P((void));
- static int readfile __P((char **));
- static int callfile __P((char **));
- static int setnodefaultroute __P((void));
- static int setproxyarp __P((void));
- static int setnoproxyarp __P((void));
- static int setpersist __P((void));
- static int setnopersist __P((void));
- static int setdologin __P((void));
- static int setusehostname __P((void));
- static int setnoipdflt __P((void));
- static int setlcptimeout __P((char **));
- static int setlcpterm __P((char **));
- static int setlcpconf __P((char **));
- static int setlcpfails __P((char **));
- static int setipcptimeout __P((char **));
- static int setipcpterm __P((char **));
- static int setipcpconf __P((char **));
- static int setipcpfails __P((char **));
- static int setpaptimeout __P((char **));
- static int setpapreqs __P((char **));
- static int setpapreqtime __P((char **));
- static int setchaptimeout __P((char **));
- static int setchapchal __P((char **));
- static int setchapintv __P((char **));
- static int setipcpaccl __P((void));
- static int setipcpaccr __P((void));
- static int setlcpechointv __P((char **));
- static int setlcpechofails __P((char **));
- static int noccp __P((void));
- static int setbsdcomp __P((char **));
- static int setnobsdcomp __P((void));
- static int setdeflate __P((char **));
- static int setnodeflate __P((void));
- static int setdemand __P((void));
- static int setpred1comp __P((void));
- static int setnopred1comp __P((void));
- static int setipparam __P((char **));
- static int setpapcrypt __P((void));
- static int setidle __P((char **));
- static int setholdoff __P((char **));
- static int setdnsaddr __P((char **));
- static int resetipxproto __P((void));
- static int setipxproto __P((void));
- static int setipxanet __P((void));
- static int setipxalcl __P((void));
- static int setipxarmt __P((void));
- static int setipxnetwork __P((char **));
- static int setipxnode __P((char **));
- static int setipxrouter __P((char **));
- static int setipxname __P((char **));
- static int setipxcptimeout __P((char **));
- static int setipxcpterm __P((char **));
- static int setipxcpconf __P((char **));
- static int setipxcpfails __P((char **));
-
-
-
- static int hitArray[7]; // used in determining whether an option flag
- // method was called while scanning options file
-
-
- /*
- * Valid arguments.
- */
- static struct cmd {
- char *cmd_name;
- int num_args;
- int (*cmd_func)();
- } cmds[] = {
- // implemented functions
- {"-d", 0, setd}, /* Increase debugging level */
- {"@-d", 0, cleard}, /* Increase debugging level */
- {"debug", 0, setdebug}, /* Increase debugging level */
- {"@debug", 0, cleardebug}, /* Increase debugging level */
- {"crtscts", 0, setcrtscts}, /* set h/w flow control */
- {"-crtscts", 0, clearcrtscts}, /* clear h/w flow control */
- {"@crtscts", 0, clearcrtscts}, /* clear h/w flow control */
- {"lock", 0, setlock}, /* Lock serial device (with lock file) */
- {"@lock", 0, clearlock}, /* Lock serial device (with lock file) */
- {"defaultroute", 0, setdefaultroute}, /* Add default route */
- {"@defaultroute", 0, cleardefaultroute}, /* Add default route */
- {"mtu", 1, setmtu}, /* Set mtu */
-
- // placeholder functions
- {"-all", 0, noopt}, /* Don't request/allow any options (useless) */
- {"noaccomp", 0, noaccomp}, /* Disable Address/Control compression */
- {"-ac", 0, noaccomp}, /* Disable Address/Control compress */
- {"default-asyncmap", 0, noasyncmap}, /* Disable asyncmap negoatiation */
- {"-am", 0, noasyncmap}, /* Disable asyncmap negotiation */
- {"-as", 1, setasyncmap}, /* set the desired async map */
- {"nodetach", 0, setnodetach}, /* Don't detach from controlling tty */
- {"-detach", 0, setnodetach}, /* don't fork */
- {"noip", 0, noip}, /* Disable IP and IPCP */
- {"-ip", 0, noip}, /* Disable IP and IPCP */
- {"nomagic", 0, nomagicnumber}, /* Disable magic number negotiation */
- {"-mn", 0, nomagicnumber}, /* Disable magic number negotiation */
- {"default-mru", 0, nomru}, /* Disable MRU negotiation */
- {"-mru", 0, nomru}, /* Disable mru negotiation */
- {"-p", 0, setpassive}, /* Set passive mode */
- {"nopcomp", 0, nopcomp}, /* Disable protocol field compression */
- {"-pc", 0, nopcomp}, /* Disable protocol field compress */
- {"+ua", 1, setupapfile}, /* Get PAP user and password from file */
- {"require-pap", 0, reqpap}, /* Require PAP authentication from peer */
- {"+pap", 0, reqpap}, /* Require PAP auth from peer */
- {"refuse-pap", 0, nopap}, /* Don't agree to auth to peer with PAP */
- {"-pap", 0, nopap}, /* Don't allow UPAP authentication with peer */
- {"require-chap", 0, reqchap}, /* Require CHAP authentication from peer */
- {"+chap", 0, reqchap}, /* Require CHAP authentication from peer */
- {"refuse-chap", 0, nochap}, /* Don't agree to auth to peer with CHAP */
- {"-chap", 0, nochap}, /* Don't allow CHAP authentication with peer */
- {"novj", 0, setnovj}, /* Disable VJ compression */
- {"-vj", 0, setnovj}, /* disable VJ compression */
- {"novjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
- {"-vjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
- {"vj-max-slots", 1, setvjslots}, /* Set maximum VJ header slots */
- {"asyncmap", 1, setasyncmap}, /* set the desired async map */
- {"escape", 1, setescape}, /* set chars to escape on transmission */
- {"connect", 1, setconnector}, /* A program to set up a connection */
- {"disconnect", 1, setdisconnector}, /* program to disconnect serial dev. */
- {"welcome", 1, setwelcomer},/* Script to welcome client */
- {"maxconnect", 1, setmaxconnect}, /* specify a maximum connect time */
- {"nocrtscts", 0, setnocrtscts}, /* clear h/w flow control */
- {"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
- {"xonxoff", 0, setxonxoff}, /* set s/w flow control */
- {"kdebug", 1, setkdebug}, /* Enable kernel-level debugging */
- {"domain", 1, setdomain}, /* Add given domain name to hostname*/
- {"mru", 1, setmru}, /* Set MRU value for negotiation */
- {"mtu", 1, setmtu}, /* Set our MTU */
- {"callback", 1, setcbcp}, /* Ask for callback */
- {"netmask", 1, setnetmask}, /* set netmask */
- {"passive", 0, setpassive}, /* Set passive mode */
- {"silent", 0, setsilent}, /* Set silent mode */
- {"modem", 0, setmodem}, /* Use modem control lines */
- {"local", 0, setlocal}, /* Don't use modem control lines */
- {"name", 1, setname}, /* Set local name for authentication */
- {"user", 1, setuser}, /* Set name for auth with peer */
- {"usehostname", 0, setusehostname}, /* Must use hostname for auth. */
- {"remotename", 1, setremote}, /* Set remote name for authentication */
- {"auth", 0, setauth}, /* Require authentication from peer */
- {"noauth", 0, setnoauth}, /* Don't require peer to authenticate */
- {"file", 1, readfile}, /* Take options from a file */
- {"call", 1, callfile}, /* Take options from a privileged file */
- {"nodefaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
- {"-defaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
- {"proxyarp", 0, setproxyarp}, /* Add proxy ARP entry */
- {"noproxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
- {"-proxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
- {"persist", 0, setpersist}, /* Keep on reopening connection after close */
- {"nopersist", 0, setnopersist}, /* Turn off persist option */
- {"demand", 0, setdemand}, /* Dial on demand */
- {"login", 0, setdologin}, /* Use system password database for UPAP */
- {"noipdefault", 0, setnoipdflt}, /* Don't use name for default IP adrs */
- {"lcp-echo-failure", 1, setlcpechofails}, /* consecutive echo failures */
- {"lcp-echo-interval", 1, setlcpechointv}, /* time for lcp echo events */
- {"lcp-restart", 1, setlcptimeout}, /* Set timeout for LCP */
- {"lcp-max-terminate", 1, setlcpterm}, /* Set max #xmits for term-reqs */
- {"lcp-max-configure", 1, setlcpconf}, /* Set max #xmits for conf-reqs */
- {"lcp-max-failure", 1, setlcpfails}, /* Set max #conf-naks for LCP */
- {"ipcp-restart", 1, setipcptimeout}, /* Set timeout for IPCP */
- {"ipcp-max-terminate", 1, setipcpterm}, /* Set max #xmits for term-reqs */
- {"ipcp-max-configure", 1, setipcpconf}, /* Set max #xmits for conf-reqs */
- {"ipcp-max-failure", 1, setipcpfails}, /* Set max #conf-naks for IPCP */
- {"pap-restart", 1, setpaptimeout}, /* Set retransmit timeout for PAP */
- {"pap-max-authreq", 1, setpapreqs}, /* Set max #xmits for auth-reqs */
- {"pap-timeout", 1, setpapreqtime}, /* Set time limit for peer PAP auth. */
- {"chap-restart", 1, setchaptimeout}, /* Set timeout for CHAP */
- {"chap-max-challenge", 1, setchapchal}, /* Set max #xmits for challenge */
- {"chap-interval", 1, setchapintv}, /* Set interval for rechallenge */
- {"ipcp-accept-local", 0, setipcpaccl}, /* Accept peer's address for us */
- {"ipcp-accept-remote", 0, setipcpaccr}, /* Accept peer's address for it */
- {"noccp", 0, noccp}, /* Disable CCP negotiation */
- {"-ccp", 0, noccp}, /* Disable CCP negotiation */
- {"bsdcomp", 1, setbsdcomp}, /* request BSD-Compress */
- {"nobsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
- {"-bsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
- {"deflate", 1, setdeflate}, /* request Deflate compression */
- {"nodeflate", 0, setnodeflate}, /* don't allow Deflate compression */
- {"-deflate", 0, setnodeflate}, /* don't allow Deflate compression */
- {"predictor1", 0, setpred1comp}, /* request Predictor-1 */
- {"nopredictor1", 0, setnopred1comp},/* don't allow Predictor-1 */
- {"-predictor1", 0, setnopred1comp}, /* don't allow Predictor-1 */
- {"ipparam", 1, setipparam}, /* set ip script parameter */
- {"papcrypt", 0, setpapcrypt}, /* PAP passwords encrypted */
- {"idle", 1, setidle}, /* idle time limit (seconds) */
- {"holdoff", 1, setholdoff}, /* set holdoff time (seconds) */
- {"ms-dns", 1, setdnsaddr}, /* DNS address for the peer's use */
- {"noipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
- {"-ipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
- {"ipx-network", 1, setipxnetwork}, /* IPX network number */
- {"ipxcp-accept-network", 0, setipxanet}, /* Accept peer netowrk */
- {"ipx-node", 1, setipxnode}, /* IPX node number */
- {"ipxcp-accept-local", 0, setipxalcl}, /* Accept our address */
- {"ipxcp-accept-remote", 0, setipxarmt}, /* Accept peer's address */
- {"ipx-routing", 1, setipxrouter}, /* IPX routing proto number */
- {"ipx-router-name", 1, setipxname}, /* IPX router name */
- {"ipxcp-restart", 1, setipxcptimeout}, /* Set timeout for IPXCP */
- {"ipxcp-max-terminate", 1, setipxcpterm}, /* max #xmits for term-reqs */
- {"ipxcp-max-configure", 1, setipxcpconf}, /* max #xmits for conf-reqs */
- {"ipxcp-max-failure", 1, setipxcpfails}, /* max #conf-naks for IPXCP */
- {"ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
- {"+ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
- {NULL, 0, NULL}
- };
-
-
- /*
- * Read a word from a file.
- * Words are delimited by white-space or by quotes (" or ').
- * Quotes, white-space and \ may be escaped with \.
- * \<newline> is ignored.
- */
-
- int
- getword(f, word, newlinep, filename)
- FILE *f;
- char *word;
- int *newlinep;
- const char *filename;
- {
- int c, len, escape;
- int quoted, comment;
- int value, digit, got, n;
-
- #define isoctal(c) ((c) >= '0' && (c) < '8')
-
- *newlinep = 0;
- len = 0;
- escape = 0;
- comment = 0;
-
- /*
- * First skip white-space and comments.
- */
- for (;;) {
- c = getc(f);
- if (c == EOF)
- break;
-
- /*
- * A newline means the end of a comment; backslash-newline
- * is ignored. Note that we cannot have escape && comment.
- */
- if (c == '\n') {
- if (!escape) {
- *newlinep = 1;
- comment = 0;
- } else
- escape = 0;
- continue;
- }
-
-
- /*
- * Possible one of our flags or keywords.
- */
- if (comment && (c == '@'))
- break;
-
- /*
- * Ignore characters other than newline in a comment.
- */
- if (comment)
- continue;
-
-
- /*
- * If this character is escaped, we have a word start.
- */
- if (escape)
- break;
-
- /*
- * If this is the escape character, look at the next character.
- */
- if (c == '\\') {
- escape = 1;
- continue;
- }
-
- /*
- * If this is the start of a comment, ignore the rest of the line.
- */
- if (c == '#') {
- comment = 1;
- continue;
- }
-
- /*
- * A non-whitespace character is the start of a word.
- */
- if (!isspace(c))
- break;
- }
-
- /*
- * Save the delimiter for quoted strings.
- */
- if (!escape && (c == '"' || c == '\'')) {
- quoted = c;
- c = getc(f);
- } else
- quoted = 0;
-
- /*
- * Process characters until the end of the word.
- */
- while (c != EOF) {
- if (escape) {
- /*
- * This character is escaped: backslash-newline is ignored,
- * various other characters indicate particular values
- * as for C backslash-escapes.
- */
- escape = 0;
- if (c == '\n') {
- c = getc(f);
- continue;
- }
-
- got = 0;
- switch (c) {
- case 'a':
- value = '\a';
- break;
- case 'b':
- value = '\b';
- break;
- case 'f':
- value = '\f';
- break;
- case 'n':
- value = '\n';
- break;
- case 'r':
- value = '\r';
- break;
- case 's':
- value = ' ';
- break;
- case 't':
- value = '\t';
- break;
-
- default:
- if (isoctal(c)) {
- /*
- * \ddd octal sequence
- */
- value = 0;
- for (n = 0; n < 3 && isoctal(c); ++n) {
- value = (value << 3) + (c & 07);
- c = getc(f);
- }
- got = 1;
- break;
- }
-
- if (c == 'x') {
- /*
- * \x<hex_string> sequence
- */
- value = 0;
- c = getc(f);
- for (n = 0; n < 2 && isxdigit(c); ++n) {
- digit = toupper(c) - '0';
- if (digit > 10)
- digit += '0' + 10 - 'A';
- value = (value << 4) + digit;
- c = getc (f);
- }
- got = 1;
- break;
- }
-
- /*
- * Otherwise the character stands for itself.
- */
- value = c;
- break;
- }
-
- /*
- * Store the resulting character for the escape sequence.
- */
- if (len < MAXWORDLEN-1)
- word[len] = value;
- ++len;
-
- if (!got)
- c = getc(f);
- continue;
-
- }
-
- /*
- * Not escaped: see if we've reached the end of the word.
- */
- if (quoted) {
- if (c == quoted)
- break;
- } else {
- if (isspace(c) || c == '#') {
- ungetc (c, f);
- break;
- }
- }
-
- /*
- * Backslash starts an escape sequence.
- */
- if (c == '\\') {
- escape = 1;
- c = getc(f);
- continue;
- }
-
- /*
- * An ordinary character: store it in the word and get another.
- */
- if (len < MAXWORDLEN-1)
- word[len] = c;
- ++len;
-
- c = getc(f);
- }
-
- /*
- * End of the word: check for errors.
- */
- if (c == EOF) {
- if (ferror(f)) {
- if (errno == 0)
- errno = EIO;
- perror(filename);
- return 0;
- }
- /*
- * If len is zero, then we didn't find a word before the
- * end of the file.
- */
- if (len == 0)
- return 0;
- }
-
- /*
- * Warn if the word was too long, and append a terminating null.
- */
- if (len >= MAXWORDLEN) {
- perror("warning: word in options file is too long");
- len = MAXWORDLEN - 1;
- }
- word[len] = 0;
-
- return 1;
-
- #undef isoctal
-
- }
-
- /*
- * options_from_file - Read a string of options from a file,
- * and interpret them.
- */
- int
- options_from_file(filename, must_exist, check_prot)
- const char *filename;
- int must_exist;
- int check_prot;
- {
- int i, newline, ret;
- struct cmd *cmdp;
- char *argv[MAXARGS];
- char args[MAXARGS][MAXWORDLEN];
- char cmd[MAXWORDLEN];
-
- for (i = 0; i < 6; i++) // zero out hit array each invocation
- {hitArray[i] = 0;} // used in detecting whether func was called
-
- if ((f = fopen(filename, "r+")) == NULL) {
- if (!must_exist && errno == ENOENT)
- return 1;
- perror(filename);
- return 0;
- }
- if (check_prot && !readable(fileno(f))) {
- fprintf(stderr, "%s: access denied\n", filename);
- fclose(f);
- return 0;
- }
-
- while (getword(f, cmd, &newline, filename)) {
- /*
- * First see if it's a command.
- */
- for (cmdp = cmds; cmdp->cmd_name; cmdp++)
- if (!strcmp(cmd, cmdp->cmd_name))
- break;
-
- if (cmdp->cmd_name != NULL) {
- for (i = 0; i < cmdp->num_args; ++i) {
- if (!getword(f, args[i], &newline, filename)) {
- fprintf(stderr,
- "In file %s: too few parameters for command %s\n",
- filename, cmd);
- fclose(f);
- f = NULL;
- return 0;
- }
- argv[i] = args[i];
- }
- if (!(*cmdp->cmd_func)(argv)) {
- fclose(f);
- f = NULL;
- return 0;
- }
-
- } else {
- /*
- * Maybe a tty name, speed or IP address?
- */
- ret = setdevname(cmd);
- ret = setspeed(cmd);
- }
- }
- if(!hitArray[4] && [oDelegate shouldSave])
- {
- fputs("\n/dev/cua \n", f);
- [oDelegate setDevName:"/dev/cua"];
- }
- if(!hitArray[5] && [oDelegate shouldSave]) // speed not found in file
- {
- fputs("\n57600 \n", f); // save in options file
- [oDelegate setSpeed:"57600"]; // show setting in GUI
- }
- if(!hitArray[0] && [oDelegate defaultRoute] && [oDelegate shouldSave])
- fputs("\ndefaultroute \n", f);
- if(!hitArray[1] && [oDelegate lockFlag] && [oDelegate shouldSave])
- fputs("\nlock \n", f);
- if(!hitArray[2] && [oDelegate crtscts] && [oDelegate shouldSave])
- fputs("\ncrtscts \n", f);
- if(!hitArray[3] && [oDelegate debug] && [oDelegate shouldSave])
- fputs("\ndebug \n", f);
-
- if(f)
- fclose(f);
- f = NULL;
-
- return 1;
- }
-
- /*
- * readable - check if a file is readable by the real user.
- */
- int
- readable(fd)
- int fd;
- {
- uid_t uid;
- int ngroups, i;
- struct stat sbuf;
- GIDSET_TYPE groups[NGROUPS_MAX];
-
- uid = getuid();
- if (uid == 0)
- return 1;
- if (fstat(fd, &sbuf) != 0)
- return 0;
- if (sbuf.st_uid == uid)
- return sbuf.st_mode & S_IRUSR;
- if (sbuf.st_gid == getgid())
- return sbuf.st_mode & S_IRGRP;
- ngroups = getgroups(NGROUPS_MAX, groups);
- for (i = 0; i < ngroups; ++i)
- if (sbuf.st_gid == groups[i])
- return sbuf.st_mode & S_IRGRP;
- return sbuf.st_mode & S_IROTH;
- }
- //*****************************************************************************
- //
- // set and remove "lock" flag
- //
- //*****************************************************************************
-
- static int
- setlock()
- {
- if([oDelegate shouldSave] && ![oDelegate lockFlag])
- {
- fseek(f,-4, SEEK_CUR);
- fputs("#@lock\n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setLockFlag];
- hitArray[1] = 1;
-
- return 1;
- }
- static int
- clearlock()
- {
- if([oDelegate shouldSave] && [oDelegate lockFlag])
- {
- fseek(f,-6, SEEK_CUR);
- fputs("lock \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- hitArray[1] = 1;
-
- return 1;
- }
- //*****************************************************************************
- //
- // set and remove "defaultRoute" flag
- //
- //*****************************************************************************
-
- static int
- setdefaultroute()
- {
- if([oDelegate shouldSave] && ![oDelegate defaultRoute])
- {
- fseek(f,-12, SEEK_CUR);
- fputs("#@defaultroute\n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setDefaultRoute];
- hitArray[0] = 1;
-
- return 1;
- }
- static int
- cleardefaultroute()
- {
- if([oDelegate shouldSave] && [oDelegate defaultRoute])
- {
- fseek(f,-14, SEEK_CUR);
- fputs("defaultroute \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- hitArray[0] = 1;
-
- return 1;
- }
- //*****************************************************************************
- //
- // set and remove "debug" flag
- //
- //*****************************************************************************
-
- static int
- setdebug()
- {
- if([oDelegate shouldSave] && ![oDelegate debug])
- {
- fseek(f,-5, SEEK_CUR);
- fputs("#@debug\n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setDebug];
- hitArray[3] = 1;
-
- return 1;
- }
- static int
- cleardebug()
- {
- if([oDelegate shouldSave] && [oDelegate debug])
- {
- fseek(f,-7, SEEK_CUR);
- fputs("debug \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- hitArray[3] = 1;
-
- return 1;
- }
- static int
- setd()
- {
- if([oDelegate shouldSave] && ![oDelegate debug])
- {
- fseek(f,-2, SEEK_CUR);
- fputs("#@-d\n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setDebug];
- hitArray[3] = 1;
-
- return 1;
- }
- static int
- cleard()
- {
- if([oDelegate shouldSave] && [oDelegate debug])
- {
- fseek(f,-4, SEEK_CUR);
- fputs("-d \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- hitArray[3] = 1;
-
- return 1;
- }
- //*****************************************************************************
- //
- // set and remove "crtscts" flag
- //
- //*****************************************************************************
-
- static int
- setcrtscts()
- {
- if([oDelegate shouldSave] && ![oDelegate crtscts])
- {
- fseek(f,-7, SEEK_CUR);
- fputs("-crtscts\n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setCrtscts];
- hitArray[2] = 1;
-
- return 1;
- }
- static int
- clearcrtscts()
- {
- if([oDelegate shouldSave] && [oDelegate crtscts])
- {
- fseek(f,-8, SEEK_CUR);
- fputs("crtscts \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- hitArray[2] = 1;
-
- return 1;
- }
-
- /*
- * setspeed - Set the speed.
- */
- static int
- setspeed(arg)
- char *arg;
- {
- char *ptr;
- int spd;
- int lenOfarg = strlen(arg);
-
- spd = strtol(arg, &ptr, 0);
- if (ptr == arg || *ptr != 0 || spd == 0)
- return 0;
-
- if([oDelegate shouldSave] && (strcmp([oDelegate speed], arg) != 0))
- { // user changed speed in GUI
- fseek(f,-lenOfarg, SEEK_CUR);
- fputs([oDelegate speed], f);
- if((lenOfarg = strlen([oDelegate speed])) == 5)
- fputs("\n", f);
- if(lenOfarg == 4)
- fputs(" \n", f);
- if(lenOfarg == 3)
- fputs(" \n", f);
- fseek(f, ftell(f), SEEK_SET);
- hitArray[5] = 1;
- }
- else // else we just scanned an opt file
- {
- if([oDelegate setSpeed:arg]) // show results in GUI
- hitArray[5] = 1;
- }
-
- inspeed = spd;
- return 1;
- }
-
-
- /*
- * setdevname - Set the device name.
- */
- int
- setdevname(cp)
- char *cp;
- {
- struct stat statbuf;
- char *ttyname();
- char dev[MAXPATHLEN];
- int lenOfcp = strlen(cp);
-
- if (strncmp("/dev/", cp, 5) != 0) {
- strcpy(dev, "/dev/");
- strncat(dev, cp, MAXPATHLEN - 5);
- dev[MAXPATHLEN-1] = 0;
- cp = dev;
- }
-
- /*
- * Check if there is a device by this name.
- */
- if (stat(cp, &statbuf) < 0) {
- if (errno == ENOENT)
- return 0;
- syslog(LOG_ERR, cp);
- return -1;
- }
-
- if([oDelegate shouldSave] && (strcmp([oDelegate devName], cp) != 0))
- {
- fseek(f,-lenOfcp, SEEK_CUR);
- fputs([oDelegate devName], f);
- if((lenOfcp = strlen([oDelegate devName]))== 10)
- fputs("\n", f);
- if(lenOfcp == 9)
- fputs(" \n", f);
- if(lenOfcp == 8)
- fputs(" \n", f);
- fseek(f, ftell(f), SEEK_SET);
- }
- else
- [oDelegate setDevName:cp];
- hitArray[4] = 1;
-
- (void) strncpy(devnam, cp, MAXPATHLEN);
- devnam[MAXPATHLEN-1] = 0;
- default_device = FALSE;
-
- return 1;
- }
-
- int setDelegate(id del)
- {
- oDelegate = del;
-
- return 1;
- }
- //*****************************************************************************
- //
- // the following do nothing
- //
- //*****************************************************************************
-
- /*
- * setkdebug - Set kernel debugging level.
- */
- static int
- setkdebug(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * noopt - Disable all options.
- */
- static int
- noopt()
- {
- return 1;
- }
-
- /*
- * noaccomp - Disable Address/Control field compression negotiation.
- */
- static int
- noaccomp()
- {
- return 1;
- }
-
-
- /*
- * noasyncmap - Disable async map negotiation.
- */
- static int
- noasyncmap()
- {
- return 1;
- }
-
-
- /*
- * noip - Disable IP and IPCP.
- */
- static int
- noip()
- {
- return 1;
- }
-
-
- /*
- * nomagicnumber - Disable magic number negotiation.
- */
- static int
- nomagicnumber()
- {
- return 1;
- }
-
-
- /*
- * nomru - Disable mru negotiation.
- */
- static int
- nomru()
- {
- return 1;
- }
-
-
- /*
- * setmru - Set MRU for negotiation.
- */
- static int
- setmru(argv)
- char **argv;
- {
- return 1;
- }
-
-
- /*
- * setmru - Set the largest MTU we'll use.
- */
- static int
- setmtu(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setcbcp(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * nopcomp - Disable Protocol field compression negotiation.
- */
- static int
- nopcomp()
- {
- return 1;
- }
-
-
- /*
- * setpassive - Set passive mode (don't give up if we time out sending
- * LCP configure-requests).
- */
- static int
- setpassive()
- {
- return 1;
- }
-
-
- /*
- * setsilent - Set silent mode (don't start sending LCP configure-requests
- * until we get one from the peer).
- */
- static int
- setsilent()
- {
- return 1;
- }
-
-
- /*
- * nopap - Disable PAP authentication with peer.
- */
- static int
- nopap()
- {
- return 1;
- }
-
-
- /*
- * reqpap - Require PAP authentication from peer.
- */
- static int
- reqpap()
- {
- return 1;
- }
-
- /*
- * setupapfile - specifies UPAP info for authenticating with peer.
- */
- static int
- setupapfile(argv)
- char **argv;
- {
- return 1;
- }
-
-
- /*
- * nochap - Disable CHAP authentication with peer.
- */
- static int
- nochap()
- {
- return 1;
- }
-
-
- /*
- * reqchap - Require CHAP authentication from peer.
- */
- static int
- reqchap()
- {
- return 1;
- }
-
-
- /*
- * setnovj - disable vj compression
- */
- static int
- setnovj()
- {
- return 1;
- }
-
-
- /*
- * setnovjccomp - disable VJ connection-ID compression
- */
- static int
- setnovjccomp()
- {
- return 1;
- }
-
-
- /*
- * setvjslots - set maximum number of connection slots for VJ compression
- */
- static int
- setvjslots(argv)
- char **argv;
- {
- return 1;
- }
-
-
- /*
- * setconnector - Set a program to connect to a serial line
- */
- static int
- setconnector(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setdisconnector - Set a program to disconnect from the serial line
- */
- static int
- setdisconnector(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setwelcomer - Set a program to welcome a client after connection
- */
- static int
- setwelcomer(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setmaxconnect - Set the maximum connect time
- */
- static int
- setmaxconnect(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setdomain - Set domain name to append to hostname
- */
- static int
- setdomain(argv)
- char **argv;
- {
- return 1;
- }
-
-
- /*
- * setasyncmap - add bits to asyncmap (what we request peer to escape).
- */
- static int
- setasyncmap(argv)
- char **argv;
- {
- return 1;
- }
-
-
- /*
- * setescape - add chars to the set we escape on transmission.
- */
- static int
- setescape(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setnoipdflt - disable setipdefault()
- */
- static int
- setnoipdflt()
- {
- return 1;
- }
-
-
- /*
- * setipcpaccl - accept peer's idea of our address
- */
- static int
- setipcpaccl()
- {
- return 1;
- }
-
-
- /*
- * setipcpaccr - accept peer's idea of its address
- */
- static int
- setipcpaccr()
- {
- return 1;
- }
-
-
- /*
- * setnetmask - set the netmask to be used on the interface.
- */
- static int
- setnetmask(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setnocrtscts()
- {
- return 1;
- }
-
- static int
- setxonxoff()
- {
- return 1;
- }
-
- static int
- setnodetach()
- {
- return 1;
- }
-
- static int
- setdemand()
- {
- return 1;
- }
-
- static int
- setmodem()
- {
- return 1;
- }
-
- static int
- setlocal()
- {
- return 1;
- }
-
- static int
- setusehostname()
- {
- return 1;
- }
-
- static int
- setname(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setuser(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setremote(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setauth()
- {
- return 1;
- }
-
- static int
- setnoauth()
- {
- return 1;
- }
-
- static int
- setnodefaultroute()
- {
- return 1;
- }
-
- static int
- setproxyarp()
- {
- return 1;
- }
-
- static int
- setnoproxyarp()
- {
- return 1;
- }
-
- static int
- setpersist()
- {
- return 1;
- }
-
- static int
- setnopersist()
- {
- return 1;
- }
-
- static int
- setdologin()
- {
- return 1;
- }
-
- /*
- * Functions to set the echo interval for modem-less monitors
- */
-
- static int
- setlcpechointv(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setlcpechofails(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * Functions to set timeouts, max transmits, etc.
- */
- static int
- setlcptimeout(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setlcpterm(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setlcpconf(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setlcpfails(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipcptimeout(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipcpterm(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipcpconf(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipcpfails(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setpaptimeout(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setpapreqtime(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setpapreqs(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setchaptimeout(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setchapchal(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setchapintv(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- noccp()
- {
- return 1;
- }
-
- static int
- setbsdcomp(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setnobsdcomp()
- {
- return 1;
- }
-
- static int
- setdeflate(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setnodeflate()
- {
- return 1;
- }
-
- static int
- setpred1comp()
- {
- return 1;
- }
-
- static int
- setnopred1comp()
- {
- return 1;
- }
-
- static int
- setipparam(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setpapcrypt()
- {
- return 1;
- }
-
- static int
- setidle(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setholdoff(argv)
- char **argv;
- {
- return 1;
- }
-
- /*
- * setdnsaddr - set the dns address(es)
- */
- static int
- setdnsaddr(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxrouter (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxname (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxcptimeout (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxcpterm (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxcpconf (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxcpfails (argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxnetwork(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxanet()
- {
- return 1;
- }
-
- static int
- setipxalcl()
- {
- return 1;
- }
-
- static int
- setipxarmt()
- {
- return 1;
- }
-
- static int
- setipxnode(argv)
- char **argv;
- {
- return 1;
- }
-
- static int
- setipxproto()
- {
- return 1;
- }
-
- static int
- resetipxproto()
- {
- return 1;
- }
-
- /*
- * readfile - take commands from a file.
- */
- static int
- readfile(argv)
- char **argv;
- {
- return 1;
- }
- /*
- * callfile - take commands from /etc/ppp/peers/<name>.
- * Name may not contain /../, start with / or ../, or end in /..
- */
- static int
- callfile(argv)
- char **argv;
- {
- return 1;
- }
-