*/
#ifndef lint
-static char rcsid[] = "$Id: options.c,v 1.9 1994/05/25 06:25:48 paulus Exp $";
+static char rcsid[] = "$Id: options.c,v 1.16 1994/09/21 06:47:37 paulus Exp $";
#endif
#include <stdio.h>
#include <sys/stat.h>
#include <netinet/in.h>
-#include "ppp.h"
#include "pppd.h"
#include "pathnames.h"
#include "patchlevel.h"
#include "ipcp.h"
#include "upap.h"
#include "chap.h"
+#include "ccp.h"
#define FALSE 0
#define TRUE 1
#ifdef ultrix
-char *strdup __ARGS((char *));
+char *strdup __P((char *));
#endif
#ifndef GIDSET_TYPE
-#define GIDSET_TYPE int
+#define GIDSET_TYPE gid_t
#endif
/*
- * Prototypes
+ * Option variables and default values.
*/
-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 setnovj __ARGS((void));
-static int setnovjccomp __ARGS((void));
-static int setvjslots __ARGS((char **));
-static int reqpap __ARGS((void));
-static int nopap __ARGS((void));
-static int setupapfile __ARGS((char **));
-static int nochap __ARGS((void));
-static int reqchap __ARGS((void));
-static int setspeed __ARGS((char *));
-static int noaccomp __ARGS((void));
-static int noasyncmap __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 setxonxoff __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 **));
-static int setauth __ARGS((void));
-static int readfile __ARGS((char **));
-static int setdefaultroute __ARGS((void));
-static int setproxyarp __ARGS((void));
-static int setpersist __ARGS((void));
-static int setdologin __ARGS((void));
-static int setusehostname __ARGS((void));
-static int setnoipdflt __ARGS((void));
-static int setlcptimeout __ARGS((char **));
-static int setlcpterm __ARGS((char **));
-static int setlcpconf __ARGS((char **));
-static int setlcpfails __ARGS((char **));
-static int setipcptimeout __ARGS((char **));
-static int setipcpterm __ARGS((char **));
-static int setipcpconf __ARGS((char **));
-static int setipcpfails __ARGS((char **));
-static int setpaptimeout __ARGS((char **));
-static int setpapreqs __ARGS((char **));
-static int setchaptimeout __ARGS((char **));
-static int setchapchal __ARGS((char **));
-static int setchapintv __ARGS((char **));
-static int setipcpaccl __ARGS((void));
-static int setipcpaccr __ARGS((void));
-static int setlcpechointv __ARGS((char **));
-static int setlcpechofails __ARGS((char **));
-
-static int number_option __ARGS((char *, long *, int));
-static int readable __ARGS((int fd));
+int debug = 0; /* Debug flag */
+int kdebugflag = 0; /* Tell kernel to print debug messages */
+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 */
+u_int32_t netmask = 0; /* IP netmask to set on interface */
+int lockflag = 0; /* Create lock file to lock the serial dev */
+int nodetach = 0; /* Don't detach from controlling tty */
+char *connector = NULL; /* Script to establish physical link */
+char *disconnector = NULL; /* Script to disestablish physical link */
+char user[MAXNAMELEN]; /* Username for PAP */
+char passwd[MAXSECRETLEN]; /* Password for PAP */
+int auth_required = 0; /* Peer is required to authenticate */
+int defaultroute = 0; /* assign default route through interface */
+int proxyarp = 0; /* Set up proxy ARP entry for peer */
+int persist = 0; /* Reopen link after it goes down */
+int uselogin = 0; /* Use /etc/passwd for checking PAP */
+int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
+int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
+char our_name[MAXNAMELEN]; /* Our name for authentication purposes */
+char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
+int usehostname = 0; /* Use hostname for our_name */
+int disable_defaultip = 0; /* Don't use hostname for default IP adrs */
/*
- * Option variables
+ * Prototypes
*/
-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;
-extern u_long netmask;
-extern int detach;
-extern char user[];
-extern char passwd[];
-extern int auth_required;
-extern int proxyarp;
-extern int persist;
-extern int uselogin;
-extern u_long lcp_echo_interval;
-extern u_long lcp_echo_fails;
-extern char our_name[];
-extern char remote_name[];
-int usehostname;
-int disable_defaultip;
+static int setdebug __P((void));
+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 setspeed __P((char *));
+static int noaccomp __P((void));
+static int noasyncmap __P((void));
+static int noipaddr __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 nomru __P((void));
+static int nopcomp __P((void));
+static int setconnector __P((char **));
+static int setdisconnector __P((char **));
+static int setdomain __P((char **));
+static int setnetmask __P((char **));
+static int setcrtscts __P((void));
+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 setlock __P((void));
+static int setname __P((char **));
+static int setuser __P((char **));
+static int setremote __P((char **));
+static int setauth __P((void));
+static int readfile __P((char **));
+static int setdefaultroute __P((void));
+static int setproxyarp __P((void));
+static int setpersist __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 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 setbsdcomp __P((char **));
+static int setnobsdcomp __P((void));
+
+static int number_option __P((char *, long *, int));
+static int readable __P((int fd));
/*
* Valid arguments.
{"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 */
+ {"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
{"xonxoff", 0, setxonxoff}, /* set s/w flow control */
- {"-crtscts", 0, setxonxoff}, /* another name for xonxoff */
{"debug", 0, setdebug}, /* Increase debugging level */
{"kdebug", 1, setkdebug}, /* Enable kernel-level debugging */
{"domain", 1, setdomain}, /* Add given domain name to hostname*/
{"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 */
+ {"bsdcomp", 1, setbsdcomp}, /* request BSD-Compress */
+ {"-bsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
{NULL, 0, NULL}
};
char *dev, *path;
int ret;
- dev = strrchr(devname, '/');
+ dev = strrchr(devnam, '/');
if (dev == NULL)
- dev = devname;
+ dev = devnam;
else
++dev;
if (strcmp(dev, "tty") == 0)
fprintf(stderr, "unable to open user login data file %s\n", *argv);
return 0;
}
+ if (!readable(fileno(ufile))) {
+ fprintf(stderr, "%s: access denied\n", *argv);
+ return 0;
+ }
check_access(ufile, *argv);
/* get username */
return -1;
}
- (void) strncpy(devname, cp, MAXPATHLEN);
- devname[MAXPATHLEN-1] = 0;
+ (void) strncpy(devnam, cp, MAXPATHLEN);
+ devnam[MAXPATHLEN-1] = 0;
default_device = FALSE;
return 1;
{
struct hostent *hp;
char *colon, *index();
- u_long local, remote;
+ u_int32_t local, remote;
ipcp_options *wo = &ipcp_wantoptions[0];
/*
setipdefault()
{
struct hostent *hp;
- u_long local;
+ u_int32_t local;
ipcp_options *wo = &ipcp_wantoptions[0];
/*
setnetmask(argv)
char **argv;
{
- u_long mask;
+ u_int32_t mask;
if ((mask = inet_addr(*argv)) == -1 || (netmask & ~mask) != 0) {
fprintf(stderr, "Invalid netmask %s\n", *argv);
* been set.
*/
/* ARGSUSED */
-u_long
+u_int32_t
GetMask(addr)
- u_long addr;
+ u_int32_t addr;
{
return(netmask);
}
return (1);
}
+static int
+setnocrtscts()
+{
+ crtscts = -1;
+ return (1);
+}
+
static int
setxonxoff()
{
{
return int_option(*argv, &chap[0].chal_interval);
}
+
+static int setbsdcomp(argv)
+ char **argv;
+{
+ int rbits, abits;
+ char *str, *endp;
+
+ str = *argv;
+ abits = rbits = strtol(str, &endp, 0);
+ if (endp != str && *endp == ',') {
+ str = endp + 1;
+ abits = strtol(str, &endp, 0);
+ }
+ if (*endp != 0 || endp == str) {
+ fprintf(stderr, "%s: invalid argument format for bsdcomp option\n",
+ progname);
+ return 0;
+ }
+ if (rbits != 0 && (rbits < MIN_BSD_BITS || rbits > MAX_BSD_BITS)
+ || abits != 0 && (abits < MIN_BSD_BITS || abits > MAX_BSD_BITS)) {
+ fprintf(stderr, "%s: bsdcomp option values must be 0 or %d .. %d\n",
+ progname, MIN_BSD_BITS, MAX_BSD_BITS);
+ return 0;
+ }
+ if (rbits > 0) {
+ ccp_wantoptions[0].bsd_compress = 1;
+ ccp_wantoptions[0].bsd_bits = rbits;
+ } else
+ ccp_wantoptions[0].bsd_compress = 0;
+ if (abits > 0) {
+ ccp_allowoptions[0].bsd_compress = 1;
+ ccp_allowoptions[0].bsd_bits = abits;
+ } else
+ ccp_allowoptions[0].bsd_compress = 0;
+ return 1;
+}
+
+static int setnobsdcomp()
+{
+ ccp_wantoptions[0].bsd_compress = 0;
+ ccp_allowoptions[0].bsd_compress = 0;
+}
projects / ppp.git / blobdiff