*/
#ifndef lint
-static char rcsid[] = "$Id: options.c,v 1.4 1994/02/08 23:48:50 paulus Exp $";
+static char rcsid[] = "$Id: options.c,v 1.6 1994/05/01 11:45:53 paulus Exp $";
#endif
#include <stdio.h>
#define FALSE 0
#define TRUE 1
+#ifdef ultrix
+char *strdup __ARGS((char *));
+#endif
/*
* Prototypes
*/
static int setdebug __ARGS((void));
+static int setkdebug __ARGS((char **));
static int setpassive __ARGS((void));
static int setsilent __ARGS((void));
static int noopt __ARGS((void));
static int noipaddr __ARGS((void));
static int nomagicnumber __ARGS((void));
static int setasyncmap __ARGS((char **));
+static int setescape __ARGS((char **));
static int setmru __ARGS((char **));
+static int setmtu __ARGS((char **));
static int nomru __ARGS((void));
static int nopcomp __ARGS((void));
static int setconnector __ARGS((char **));
+static int setdisconnector __ARGS((char **));
static int setdomain __ARGS((char **));
static int setnetmask __ARGS((char **));
static int setcrtscts __ARGS((void));
static int setnodetach __ARGS((void));
static int setmodem __ARGS((void));
static int setlocal __ARGS((void));
+static int setlock __ARGS((void));
static int setname __ARGS((char **));
static int setuser __ARGS((char **));
static int setremote __ARGS((char **));
*/
extern char *progname;
extern int debug;
+extern int kdebugflag;
extern int modem;
+extern int lockflag;
extern int crtscts;
extern int nodetach;
extern char *connector;
+extern char *disconnector;
extern int inspeed;
extern char devname[];
extern int default_device;
"-chap", 0, nochap, /* Don't allow CHAP authentication with peer */
"-vj", 0, setnovj, /* disable VJ compression */
"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. */
"crtscts", 0, setcrtscts, /* set h/w flow control */
"debug", 0, setdebug, /* Increase debugging level */
+ "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 */
"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 */
+ "lock", 0, setlock, /* Lock serial device (with lock file) */
"name", 1, setname, /* Set local name for authentication */
"user", 1, setuser, /* Set username for PAP auth with peer */
"usehostname", 0, setusehostname, /* Must use hostname for auth. */
See pppd(8) for more options.\n\
";
-/*
-Options omitted:
- -all Don't request/allow any options\n\
- -ac Disable Address/Control compression\n\
- -am Disable asyncmap negotiation\n\
- -as <n> Set the desired async map to hex <n>\n\
- -d Increase debugging level\n\
- -detach Don't fork to background\n\
- -ip Disable IP address negotiation\n\
- -mn Disable magic number negotiation\n\
- -mru Disable mru negotiation\n\
- -p Set passive mode\n\
- -pc Disable protocol field compression\n\
- +ua <f> Get username and password for authenticating\n\
- with peer using PAP from file <f>\n\
- +pap Require PAP authentication from peer\n\
- -pap Don't agree to authenticating with peer using PAP\n\
- +chap Require CHAP authentication from peer\n\
- -chap Don't agree to authenticating with peer using CHAP\n\
- -vj disable VJ compression\n\
- -auth Don't agree to authenticate with peer\n\
- debug Increase debugging level\n\
- domain <d> Append domain name <d> to hostname for authentication\n\
- passive Set passive mode\n\
- local Don't use modem control lines\n\
- proxyarp Add proxy ARP entry\n\
-*/
-
/*
* parse_args - parse a string of arguments, from the command
if (!must_exist && errno == ENOENT)
return 1;
perror(filename);
- exit(1);
+ return 0;
}
while (getword(f, cmd, &newline, filename)) {
/*
setdebug()
{
debug++;
- setlogmask(LOG_UPTO(LOG_DEBUG));
return (1);
}
+/*
+ * setkdebug - Set kernel debugging level.
+ */
+static int
+setkdebug(argv)
+ char **argv;
+{
+ return int_option(*argv, &kdebugflag);
+}
+
/*
* noopt - Disable all options.
*/
}
+/*
+ * setmru - Set the largest MTU we'll use.
+ */
+static int
+setmtu(argv)
+ char **argv;
+{
+ long mtu;
+
+ if (!number_option(*argv, &mtu, 0))
+ return 0;
+ if (mtu < MINMRU || mtu > MAXMRU) {
+ fprintf(stderr, "mtu option value of %d is too %s\n", mtu,
+ (mtu < MINMRU? "small": "large"));
+ return 0;
+ }
+ lcp_allowoptions[0].mru = mtu;
+ return (1);
+}
+
+
/*
* nopcomp - Disable Protocol field compression negotiation.
*/
/* open user info file */
if ((ufile = fopen(*argv, "r")) == NULL) {
fprintf(stderr, "unable to open user login data file %s\n", *argv);
- exit(1);
+ return 0;
}
check_access(ufile, *argv);
if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
|| fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
fprintf(stderr, "Unable to read user login data file %s.\n", *argv);
- exit(2);
+ return 0;
}
fclose(ufile);
return (1);
}
+/*
+ * setdisconnector - Set a program to disconnect from the serial line
+ */
+static int
+setdisconnector(argv)
+ char **argv;
+{
+ disconnector = strdup(*argv);
+ if (disconnector == NULL)
+ novm("disconnector string");
+
+ return (1);
+}
+
/*
* setdomain - Set domain name to append to hostname
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;
+{
+ int n, ret;
+ char *p, *endp;
+
+ p = *argv;
+ ret = 1;
+ while (*p) {
+ n = strtol(p, &endp, 16);
+ if (p == endp) {
+ fprintf(stderr, "%s: invalid hex number: %s\n", progname, p);
+ return 0;
+ }
+ p = endp;
+ if (n < 0 || 0x20 <= n && n <= 0x3F || n == 0x5E || n > 0xFF) {
+ fprintf(stderr, "%s: can't escape character 0x%x\n", n);
+ ret = 0;
+ } else
+ xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
+ while (*p == ',' || *p == ' ')
+ ++p;
+ }
+ return ret;
+}
+
+
/*
* setspeed - Set the speed.
*/
if (errno == ENOENT)
return (0);
syslog(LOG_ERR, cp);
- exit(1);
+ return 0;
}
(void) strncpy(devname, cp, MAXPATHLEN);
if ((mask = inet_addr(*argv)) == -1) {
fprintf(stderr, "Invalid netmask %s\n", *argv);
- exit(1);
+ return 0;
}
netmask = mask;
return (1);
}
+/*
+ * Return user specified netmask. A value of zero means no netmask has
+ * been set.
+ */
+/* ARGSUSED */
+u_long
+GetMask(addr)
+ u_long addr;
+{
+ return(netmask);
+}
+
+
static int
setcrtscts()
{
return 1;
}
+static int
+setlock()
+{
+ lockflag = 1;
+ return 1;
+}
+
static int
setusehostname()
{