* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static char rcsid[] = "$Id: options.c,v 1.32 1996/07/01 01:18:23 paulus Exp $";
-#endif
+#define RCSID "$Id: options.c,v 1.66 1999/09/11 12:08:58 paulus Exp $"
#include <ctype.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
-#include <limits.h>
+#include <fcntl.h>
#include <stdlib.h>
#include <termios.h>
#include <syslog.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#ifdef PLUGIN
+#include <dlfcn.h>
+#endif
+#ifdef PPP_FILTER
+#include <pcap.h>
+#include <pcap-int.h> /* XXX: To get struct pcap */
+#endif
#include "pppd.h"
#include "pathnames.h"
#include "chap.h"
#include "ccp.h"
-#ifdef IPX_CHANGE
-#include "ipxcp.h"
-#endif /* IPX_CHANGE */
-
#include <net/ppp-comp.h>
-#define FALSE 0
-#define TRUE 1
-
#if defined(ultrix) || defined(NeXT)
char *strdup __P((char *));
#endif
-#ifndef GIDSET_TYPE
-#define GIDSET_TYPE gid_t
-#endif
+static const char rcsid[] = RCSID;
/*
* Option variables and default values.
*/
+#ifdef PPP_FILTER
+int dflag = 0; /* Tell libpcap we want debugging */
+#endif
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 */
+char devnam[MAXPATHLEN]; /* Device name */
int crtscts = 0; /* Use hardware flow control */
-int modem = 1; /* Use modem control lines */
+bool 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 */
+bool lockflag = 0; /* Create lock file to lock the serial dev */
+bool nodetach = 0; /* Don't detach from controlling tty */
+bool updetach = 0; /* Detach once link is up */
+char *initializer = NULL; /* Script to initialize physical link */
char *connector = NULL; /* Script to establish physical link */
char *disconnector = NULL; /* Script to disestablish physical link */
char *welcomer = NULL; /* Script to run after phys link estab. */
+char *ptycommand = NULL; /* Command to run on other side of pty */
int maxconnect = 0; /* Maximum connect time */
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 */
+bool persist = 0; /* Reopen link after it goes down */
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 */
-int demand = 0; /* do dial-on-demand */
+bool demand = 0; /* do dial-on-demand */
char *ipparam = NULL; /* Extra parameter for ip up/down scripts */
-int cryptpap; /* Passwords in pap-secrets are encrypted */
int idle_time_limit = 0; /* Disconnect if idle for this many seconds */
int holdoff = 30; /* # seconds to pause before reconnecting */
-int refuse_pap = 0; /* Set to say we won't do PAP */
-int refuse_chap = 0; /* Set to say we won't do CHAP */
+bool holdoff_specified; /* true if a holdoff value has been given */
+bool notty = 0; /* Stdin/out is not a tty */
+char *record_file = NULL; /* File to record chars sent/received */
+int using_pty = 0;
+bool sync_serial = 0; /* Device is synchronous serial device */
+int log_to_fd = 1; /* send log messages to this fd too */
+int maxfail = 10; /* max # of unsuccessful connection attempts */
+char linkname[MAXPATHLEN]; /* logical name for link */
+bool tune_kernel; /* may alter kernel settings */
+
+extern option_t auth_options[];
+extern struct stat devstat;
+extern int prepass; /* Doing pre-pass to find device name */
+
+struct option_info initializer_info;
+struct option_info connector_info;
+struct option_info disconnector_info;
+struct option_info welcomer_info;
+struct option_info devnam_info;
+struct option_info ptycommand_info;
+
+#ifdef PPP_FILTER
+struct bpf_program pass_filter;/* Filter program for packets to pass */
+struct bpf_program active_filter; /* Filter program for link-active pkts */
+pcap_t pc; /* Fake struct pcap so we can compile expr */
+#endif
+
+char *current_option; /* the name of the option being parsed */
+int privileged_option; /* set iff the current option came from root */
+char *option_source; /* string saying where the option came from */
+bool log_to_file; /* log_to_fd is a file opened by us */
/*
* Prototypes
*/
-static int setdevname __P((char *, int));
+static int setdevname __P((char *));
static int setipaddr __P((char *));
-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));
-#ifdef OLD_OPTIONS
-static int setupapfile __P((char **));
-#endif
-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 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 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 noopt __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 setxonxoff __P((char **));
static int readfile __P((char **));
-static int setdefaultroute __P((void));
-static int setnodefaultroute __P((void));
-static int setproxyarp __P((void));
-static int setnoproxyarp __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 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 **));
-
-#ifdef IPX_CHANGE
-static int setipxproto __P((void));
-static int resetipxproto __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 **));
-#endif /* IPX_CHANGE */
-
-#ifdef USE_MS_DNS
-static int setdnsaddr __P((char **));
+static int callfile __P((char **));
+static int showversion __P((char **));
+static int showhelp __P((char **));
+static void usage __P((void));
+static int setlogfile __P((char **));
+#ifdef PLUGIN
+static int loadplugin __P((char **));
+#endif
+
+#ifdef PPP_FILTER
+static int setpassfilter __P((char **));
+static int setactivefilter __P((char **));
#endif
+static option_t *find_option __P((char *name));
+static int process_option __P((option_t *, char **));
+static int n_arguments __P((option_t *));
static int number_option __P((char *, u_int32_t *, int));
-static int int_option __P((char *, int *));
-static int readable __P((int fd));
-static void option_error __P((char *fmt, ...));
+
+/*
+ * Structure to store extra lists of options.
+ */
+struct option_list {
+ option_t *options;
+ struct option_list *next;
+};
+
+static struct option_list *extra_options = NULL;
/*
* Valid arguments.
*/
-static struct cmd {
- char *cmd_name;
- int num_args;
- int (*cmd_func)();
-} cmds[] = {
- {"-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 */
- {"-d", 0, setdebug}, /* Increase debugging level */
- {"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 */
-#if OLD_OPTIONS
- {"+ua", 1, setupapfile}, /* Get PAP user and password from file */
-#endif
- {"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 */
- {"crtscts", 0, setcrtscts}, /* set h/w flow control */
- {"nocrtscts", 0, setnocrtscts}, /* clear h/w flow control */
- {"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
- {"xonxoff", 0, setxonxoff}, /* set s/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. */
- {"remotename", 1, setremote}, /* Set remote name for authentication */
- {"auth", 0, setauth}, /* Require authentication from peer */
- {"file", 1, readfile}, /* Take options from a file */
- {"defaultroute", 0, setdefaultroute}, /* Add default route */
- {"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 */
- {"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) */
-
-#ifdef IPX_CHANGE
- {"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 */
-#if 0
- {"ipx-compression", 1, setipxcompression}, /* IPX compression number */
+option_t general_options[] = {
+ { "debug", o_int, &debug,
+ "Increase debugging level", OPT_INC|OPT_NOARG|1 },
+ { "-d", o_int, &debug,
+ "Increase debugging level", OPT_INC|OPT_NOARG|1 },
+ { "kdebug", o_int, &kdebugflag,
+ "Set kernel driver debug level" },
+ { "nodetach", o_bool, &nodetach,
+ "Don't detach from controlling tty", 1 },
+ { "-detach", o_bool, &nodetach,
+ "Don't detach from controlling tty", 1 },
+ { "updetach", o_bool, &updetach,
+ "Detach from controlling tty once link is up", 1 },
+ { "holdoff", o_int, &holdoff,
+ "Set time in seconds before retrying connection" },
+ { "idle", o_int, &idle_time_limit,
+ "Set time in seconds before disconnecting idle link" },
+ { "lock", o_bool, &lockflag,
+ "Lock serial device with UUCP-style lock file", 1 },
+ { "-all", o_special_noarg, noopt,
+ "Don't request/allow any LCP or IPCP options (useless)" },
+ { "init", o_string, &initializer,
+ "A program to initialize the device",
+ OPT_A2INFO | OPT_PRIVFIX, &initializer_info },
+ { "connect", o_string, &connector,
+ "A program to set up a connection",
+ OPT_A2INFO | OPT_PRIVFIX, &connector_info },
+ { "disconnect", o_string, &disconnector,
+ "Program to disconnect serial device",
+ OPT_A2INFO | OPT_PRIVFIX, &disconnector_info },
+ { "welcome", o_string, &welcomer,
+ "Script to welcome client",
+ OPT_A2INFO | OPT_PRIVFIX, &welcomer_info },
+ { "pty", o_string, &ptycommand,
+ "Script to run on pseudo-tty master side",
+ OPT_A2INFO | OPT_PRIVFIX | OPT_DEVNAM, &ptycommand_info },
+ { "notty", o_bool, ¬ty,
+ "Input/output is not a tty", OPT_DEVNAM | 1 },
+ { "record", o_string, &record_file,
+ "Record characters sent/received to file" },
+ { "maxconnect", o_int, &maxconnect,
+ "Set connection time limit", OPT_LLIMIT|OPT_NOINCR|OPT_ZEROINF },
+ { "crtscts", o_int, &crtscts,
+ "Set hardware (RTS/CTS) flow control", OPT_NOARG|OPT_VAL(1) },
+ { "nocrtscts", o_int, &crtscts,
+ "Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
+ { "-crtscts", o_int, &crtscts,
+ "Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
+ { "cdtrcts", o_int, &crtscts,
+ "Set alternate hardware (DTR/CTS) flow control", OPT_NOARG|OPT_VAL(2) },
+ { "nocdtrcts", o_int, &crtscts,
+ "Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
+ { "xonxoff", o_special_noarg, setxonxoff,
+ "Set software (XON/XOFF) flow control" },
+ { "domain", o_special, setdomain,
+ "Add given domain name to hostname" },
+ { "mtu", o_int, &lcp_allowoptions[0].mru,
+ "Set our MTU", OPT_LIMITS, NULL, MAXMRU, MINMRU },
+ { "netmask", o_special, setnetmask,
+ "set netmask" },
+ { "modem", o_bool, &modem,
+ "Use modem control lines", 1 },
+ { "local", o_bool, &modem,
+ "Don't use modem control lines" },
+ { "file", o_special, readfile,
+ "Take options from a file", OPT_PREPASS },
+ { "call", o_special, callfile,
+ "Take options from a privileged file", OPT_PREPASS },
+ { "persist", o_bool, &persist,
+ "Keep on reopening connection after close", 1 },
+ { "nopersist", o_bool, &persist,
+ "Turn off persist option" },
+ { "demand", o_bool, &demand,
+ "Dial on demand", OPT_INITONLY | 1, &persist },
+ { "--version", o_special_noarg, showversion,
+ "Show version number" },
+ { "--help", o_special_noarg, showhelp,
+ "Show brief listing of options" },
+ { "-h", o_special_noarg, showhelp,
+ "Show brief listing of options" },
+ { "sync", o_bool, &sync_serial,
+ "Use synchronous HDLC serial encoding", 1 },
+ { "logfd", o_int, &log_to_fd,
+ "Send log messages to this file descriptor" },
+ { "logfile", o_special, setlogfile,
+ "Append log messages to this file" },
+ { "nolog", o_int, &log_to_fd,
+ "Don't send log messages to any file",
+ OPT_NOARG | OPT_VAL(-1) },
+ { "nologfd", o_int, &log_to_fd,
+ "Don't send log messages to any file descriptor",
+ OPT_NOARG | OPT_VAL(-1) },
+ { "linkname", o_string, linkname,
+ "Set logical name for link",
+ OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
+ { "maxfail", o_int, &maxfail,
+ "Maximum number of unsuccessful connection attempts to allow" },
+ { "ktune", o_bool, &tune_kernel,
+ "Alter kernel settings as necessary", 1 },
+ { "noktune", o_bool, &tune_kernel,
+ "Don't alter kernel settings", 0 },
+#ifdef PLUGIN
+ { "plugin", o_special, loadplugin,
+ "Load a plug-in module into pppd", OPT_PRIV },
#endif
- {"ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
- {"noipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
- {"+ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
- {"-ipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
-#endif /* IPX_CHANGE */
-
-#ifdef USE_MS_DNS
- {"ms-dns", 1, setdnsaddr}, /* DNS address(es) for the peer's use */
+
+#ifdef PPP_FILTER
+ { "pdebug", o_int, &dflag,
+ "libpcap debugging" },
+ { "pass-filter", 1, setpassfilter,
+ "set filter for packets to pass" },
+ { "active-filter", 1, setactivefilter,
+ "set filter for active pkts" },
#endif
- {NULL, 0, NULL}
+ { NULL }
};
-
#ifndef IMPLEMENTATION
#define IMPLEMENTATION ""
#endif
static char *usage_string = "\
-pppd version %s patch level %d%s\n\
+pppd version %s.%d%s\n\
Usage: %s [ options ], where options are:\n\
<device> Communicate over the named device\n\
<speed> Set the baud rate to <speed>\n\
file <f> Take options from file <f>\n\
modem Use modem control lines\n\
mru <n> Set MRU value to <n> for negotiation\n\
- netmask <n> Set interface netmask to <n>\n\
See pppd(8) for more options.\n\
";
-static char *current_option; /* the name of the option being parsed */
-
-
/*
- * parse_args - parse a string of arguments, from the command
- * line or from a file.
+ * parse_args - parse a string of arguments from the command line.
+ * If prepass is true, we are scanning for the device name and only
+ * processing a few options, so error messages are suppressed.
*/
int
parse_args(argc, argv)
char **argv;
{
char *arg;
- struct cmd *cmdp;
+ option_t *opt;
int ret;
+ privileged_option = privileged;
+ option_source = "command line";
while (argc > 0) {
arg = *argv++;
--argc;
/*
- * First see if it's a command.
+ * First see if it's an option in the new option list.
*/
- for (cmdp = cmds; cmdp->cmd_name; cmdp++)
- if (!strcmp(arg, cmdp->cmd_name))
- break;
-
- if (cmdp->cmd_name != NULL) {
- if (argc < cmdp->num_args) {
+ opt = find_option(arg);
+ if (opt != NULL) {
+ int n = n_arguments(opt);
+ if (argc < n) {
option_error("too few parameters for option %s", arg);
return 0;
}
current_option = arg;
- if (!(*cmdp->cmd_func)(argv))
+ if (!process_option(opt, argv))
return 0;
- argc -= cmdp->num_args;
- argv += cmdp->num_args;
+ argc -= n;
+ argv += n;
+ continue;
+ }
- } else {
- /*
- * Maybe a tty name, speed or IP address?
- */
- if ((ret = setdevname(arg, 0)) == 0
- && (ret = setspeed(arg)) == 0
- && (ret = setipaddr(arg)) == 0) {
- option_error("unrecognized option '%s'", arg);
- usage();
- return 0;
- }
- if (ret < 0) /* error */
- return 0;
+ /*
+ * Maybe a tty name, speed or IP address?
+ */
+ if ((ret = setdevname(arg)) == 0
+ && (ret = setspeed(arg)) == 0
+ && (ret = setipaddr(arg)) == 0
+ && !prepass) {
+ option_error("unrecognized option '%s'", arg);
+ usage();
+ return 0;
}
+ if (ret < 0) /* error */
+ return 0;
}
return 1;
}
+#if 0
/*
* scan_args - scan the command line arguments to get the tty name,
- * if specified.
+ * if specified. Also checks whether the notty or pty option was given.
*/
void
scan_args(argc, argv)
char **argv;
{
char *arg;
- struct cmd *cmdp;
+ option_t *opt;
+ privileged_option = privileged;
while (argc > 0) {
arg = *argv++;
--argc;
- /* Skip options and their arguments */
- for (cmdp = cmds; cmdp->cmd_name; cmdp++)
- if (!strcmp(arg, cmdp->cmd_name))
- break;
+ if (strcmp(arg, "notty") == 0 || strcmp(arg, "pty") == 0)
+ using_pty = 1;
- if (cmdp->cmd_name != NULL) {
- argc -= cmdp->num_args;
- argv += cmdp->num_args;
+ /* Skip options and their arguments */
+ opt = find_option(arg);
+ if (opt != NULL) {
+ int n = n_arguments(opt);
+ argc -= n;
+ argv += n;
continue;
}
(void) setdevname(arg, 1);
}
}
-
-/*
- * usage - print out a message telling how to use the program.
- */
-void
-usage()
-{
- if (phase == PHASE_INITIALIZE)
- fprintf(stderr, usage_string, VERSION, PATCHLEVEL, IMPLEMENTATION,
- progname);
-}
+#endif
/*
* options_from_file - Read a string of options from a file,
* and interpret them.
*/
int
-options_from_file(filename, must_exist, check_prot)
+options_from_file(filename, must_exist, check_prot, priv)
char *filename;
int must_exist;
int check_prot;
+ int priv;
{
FILE *f;
- int i, newline, ret;
- struct cmd *cmdp;
+ int i, newline, ret, err;
+ option_t *opt;
+ int oldpriv;
+ char *oldsource;
char *argv[MAXARGS];
char args[MAXARGS][MAXWORDLEN];
char cmd[MAXWORDLEN];
- if ((f = fopen(filename, "r")) == NULL) {
- if (!must_exist && errno == ENOENT)
+ if (check_prot)
+ seteuid(getuid());
+ f = fopen(filename, "r");
+ err = errno;
+ if (check_prot)
+ seteuid(0);
+ if (f == NULL) {
+ if (!must_exist && err == ENOENT)
return 1;
+ errno = err;
option_error("Can't open options file %s: %m", filename);
return 0;
}
- if (check_prot && !readable(fileno(f))) {
- option_error("Can't open options file %s: access denied", filename);
- fclose(f);
- return 0;
- }
+ oldpriv = privileged_option;
+ privileged_option = priv;
+ oldsource = option_source;
+ option_source = strdup(filename);
+ if (option_source == NULL)
+ option_source = "file";
+ ret = 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) {
+ opt = find_option(cmd);
+ if (opt != NULL) {
+ int n = n_arguments(opt);
+ for (i = 0; i < n; ++i) {
if (!getword(f, args[i], &newline, filename)) {
option_error(
"In file %s: too few parameters for option '%s'",
filename, cmd);
- fclose(f);
- return 0;
+ goto err;
}
argv[i] = args[i];
}
current_option = cmd;
- if (!(*cmdp->cmd_func)(argv)) {
- fclose(f);
- return 0;
+ if ((opt->flags & OPT_DEVEQUIV) && devnam_fixed) {
+ option_error("the %s option may not be used in the %s file",
+ cmd, filename);
+ goto err;
}
+ if (!process_option(opt, argv))
+ goto err;
+ continue;
+ }
- } else {
- /*
- * Maybe a tty name, speed or IP address?
- */
- if ((ret = setdevname(cmd, 0)) == 0
- && (ret = setspeed(cmd)) == 0
- && (ret = setipaddr(cmd)) == 0) {
- option_error("In file %s: unrecognized option '%s'",
- filename, cmd);
- fclose(f);
- return 0;
- }
- if (ret < 0) /* error */
- return 0;
+ /*
+ * Maybe a tty name, speed or IP address?
+ */
+ if ((i = setdevname(cmd)) == 0
+ && (i = setspeed(cmd)) == 0
+ && (i = setipaddr(cmd)) == 0) {
+ option_error("In file %s: unrecognized option '%s'",
+ filename, cmd);
+ goto err;
}
+ if (i < 0) /* error */
+ goto err;
}
- return 1;
+ ret = 1;
+
+err:
+ fclose(f);
+ privileged_option = oldpriv;
+ option_source = oldsource;
+ return ret;
}
/*
char *user, *path, *file;
int ret;
struct passwd *pw;
+ size_t pl;
pw = getpwuid(getuid());
if (pw == NULL || (user = pw->pw_dir) == NULL || user[0] == 0)
return 1;
file = _PATH_USEROPT;
- path = malloc(strlen(user) + strlen(file) + 2);
+ pl = strlen(user) + strlen(file) + 2;
+ path = malloc(pl);
if (path == NULL)
novm("init file name");
- strcpy(path, user);
- strcat(path, "/");
- strcat(path, file);
- ret = options_from_file(path, 0, 1);
+ slprintf(path, pl, "%s/%s", user, file);
+ ret = options_from_file(path, 0, 1, privileged);
free(path);
return ret;
}
{
char *dev, *path, *p;
int ret;
+ size_t pl;
dev = devnam;
if (strncmp(dev, "/dev/", 5) == 0)
dev += 5;
- if (strcmp(dev, "tty") == 0)
+ if (dev[0] == 0 || strcmp(dev, "tty") == 0)
return 1; /* don't look for /etc/ppp/options.tty */
- path = malloc(strlen(_PATH_TTYOPT) + strlen(dev) + 1);
+ pl = strlen(_PATH_TTYOPT) + strlen(dev) + 1;
+ path = malloc(pl);
if (path == NULL)
novm("tty init file name");
- strcpy(path, _PATH_TTYOPT);
+ slprintf(path, pl, "%s%s", _PATH_TTYOPT, dev);
/* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */
- for (p = path + strlen(path); *dev != 0; ++dev)
- *p++ = (*dev == '/'? '.': *dev);
- *p = 0;
- ret = options_from_file(path, 0, 0);
+ for (p = path + strlen(_PATH_TTYOPT); *p != 0; ++p)
+ if (*p == '/')
+ *p = '.';
+ ret = options_from_file(path, 0, 0, 1);
free(path);
return ret;
}
+/*
+ * options_from_list - process a string of options in a wordlist.
+ */
+int
+options_from_list(w, priv)
+ struct wordlist *w;
+ int priv;
+{
+ char *argv[MAXARGS];
+ option_t *opt;
+ int i, ret = 0;
+
+ privileged_option = priv;
+ option_source = "secrets file";
+
+ while (w != NULL) {
+ /*
+ * First see if it's a command.
+ */
+ opt = find_option(w->word);
+ if (opt != NULL) {
+ int n = n_arguments(opt);
+ struct wordlist *w0 = w;
+ for (i = 0; i < n; ++i) {
+ w = w->next;
+ if (w == NULL) {
+ option_error(
+ "In secrets file: too few parameters for option '%s'",
+ w0->word);
+ goto err;
+ }
+ argv[i] = w->word;
+ }
+ current_option = w0->word;
+ if (!process_option(opt, argv))
+ goto err;
+ continue;
+ }
+
+ /*
+ * Maybe a tty name, speed or IP address?
+ */
+ if ((i = setdevname(w->word)) == 0
+ && (i = setspeed(w->word)) == 0
+ && (i = setipaddr(w->word)) == 0) {
+ option_error("In secrets file: unrecognized option '%s'",
+ w->word);
+ goto err;
+ }
+ if (i < 0) /* error */
+ goto err;
+ }
+ ret = 1;
+
+err:
+ return ret;
+}
+
+/*
+ * find_option - scan the option lists for the various protocols
+ * looking for an entry with the given name.
+ * This could be optimized by using a hash table.
+ */
+static option_t *
+find_option(name)
+ char *name;
+{
+ option_t *opt;
+ struct option_list *list;
+ int i;
+
+ for (list = extra_options; list != NULL; list = list->next)
+ for (opt = list->options; opt->name != NULL; ++opt)
+ if (strcmp(name, opt->name) == 0)
+ return opt;
+ for (opt = general_options; opt->name != NULL; ++opt)
+ if (strcmp(name, opt->name) == 0)
+ return opt;
+ for (opt = auth_options; opt->name != NULL; ++opt)
+ if (strcmp(name, opt->name) == 0)
+ return opt;
+ for (i = 0; protocols[i] != NULL; ++i)
+ if ((opt = protocols[i]->options) != NULL)
+ for (; opt->name != NULL; ++opt)
+ if (strcmp(name, opt->name) == 0)
+ return opt;
+ return NULL;
+}
+
+/*
+ * process_option - process one new-style option.
+ */
+static int
+process_option(opt, argv)
+ option_t *opt;
+ char **argv;
+{
+ u_int32_t v;
+ int iv, a;
+ char *sv;
+ int (*parser) __P((char **));
+
+ if ((opt->flags & OPT_PREPASS) == 0 && prepass)
+ return 1;
+ if ((opt->flags & OPT_INITONLY) && phase != PHASE_INITIALIZE) {
+ option_error("it's too late to use the %s option", opt->name);
+ return 0;
+ }
+ if ((opt->flags & OPT_PRIV) && !privileged_option) {
+ option_error("using the %s option requires root privilege", opt->name);
+ return 0;
+ }
+ if ((opt->flags & OPT_ENABLE) && *(bool *)(opt->addr2) == 0) {
+ option_error("%s option is disabled", opt->name);
+ return 0;
+ }
+ if ((opt->flags & OPT_PRIVFIX) && !privileged_option) {
+ struct option_info *ip = (struct option_info *) opt->addr2;
+ if (ip && ip->priv) {
+ option_error("%s option cannot be overridden", opt->name);
+ return 0;
+ }
+ }
+
+ switch (opt->type) {
+ case o_bool:
+ v = opt->flags & OPT_VALUE;
+ *(bool *)(opt->addr) = v;
+ if (opt->addr2 && (opt->flags & OPT_A2COPY))
+ *(bool *)(opt->addr2) = v;
+ break;
+
+ case o_int:
+ iv = 0;
+ if ((opt->flags & OPT_NOARG) == 0) {
+ if (!int_option(*argv, &iv))
+ return 0;
+ if ((((opt->flags & OPT_LLIMIT) && iv < opt->lower_limit)
+ || ((opt->flags & OPT_ULIMIT) && iv > opt->upper_limit))
+ && !((opt->flags & OPT_ZEROOK && iv == 0))) {
+ char *zok = (opt->flags & OPT_ZEROOK)? " zero or": "";
+ switch (opt->flags & OPT_LIMITS) {
+ case OPT_LLIMIT:
+ option_error("%s value must be%s >= %d",
+ opt->name, zok, opt->lower_limit);
+ break;
+ case OPT_ULIMIT:
+ option_error("%s value must be%s <= %d",
+ opt->name, zok, opt->upper_limit);
+ break;
+ case OPT_LIMITS:
+ option_error("%s value must be%s between %d and %d",
+ opt->name, opt->lower_limit, opt->upper_limit);
+ break;
+ }
+ return 0;
+ }
+ }
+ a = opt->flags & OPT_VALUE;
+ if (a >= 128)
+ a -= 256; /* sign extend */
+ iv += a;
+ if (opt->flags & OPT_INC)
+ iv += *(int *)(opt->addr);
+ if ((opt->flags & OPT_NOINCR) && !privileged_option) {
+ int oldv = *(int *)(opt->addr);
+ if ((opt->flags & OPT_ZEROINF) ?
+ (oldv != 0 && (iv == 0 || iv > oldv)) : (iv > oldv)) {
+ option_error("%s value cannot be increased", opt->name);
+ return 0;
+ }
+ }
+ *(int *)(opt->addr) = iv;
+ if (opt->addr2 && (opt->flags & OPT_A2COPY))
+ *(int *)(opt->addr2) = iv;
+ break;
+
+ case o_uint32:
+ if (opt->flags & OPT_NOARG) {
+ v = opt->flags & OPT_VALUE;
+ } else if (!number_option(*argv, &v, 16))
+ return 0;
+ if (opt->flags & OPT_OR)
+ v |= *(u_int32_t *)(opt->addr);
+ *(u_int32_t *)(opt->addr) = v;
+ if (opt->addr2 && (opt->flags & OPT_A2COPY))
+ *(u_int32_t *)(opt->addr2) = v;
+ break;
+
+ case o_string:
+ if (opt->flags & OPT_STATIC) {
+ strlcpy((char *)(opt->addr), *argv, opt->upper_limit);
+ } else {
+ sv = strdup(*argv);
+ if (sv == NULL)
+ novm("option argument");
+ *(char **)(opt->addr) = sv;
+ }
+ break;
+
+ case o_special_noarg:
+ case o_special:
+ parser = (int (*) __P((char **))) opt->addr;
+ if (!(*parser)(argv))
+ return 0;
+ break;
+ }
+
+ if (opt->addr2) {
+ if (opt->flags & OPT_A2INFO) {
+ struct option_info *ip = (struct option_info *) opt->addr2;
+ ip->priv = privileged_option;
+ ip->source = option_source;
+ } else if ((opt->flags & (OPT_A2COPY|OPT_ENABLE)) == 0)
+ *(bool *)(opt->addr2) = 1;
+ }
+
+ return 1;
+}
+
+/*
+ * n_arguments - tell how many arguments an option takes
+ */
+static int
+n_arguments(opt)
+ option_t *opt;
+{
+ return (opt->type == o_bool || opt->type == o_special_noarg
+ || (opt->flags & OPT_NOARG))? 0: 1;
+}
+
+/*
+ * add_options - add a list of options to the set we grok.
+ */
+void
+add_options(opt)
+ option_t *opt;
+{
+ struct option_list *list;
+
+ list = malloc(sizeof(*list));
+ if (list == 0)
+ novm("option list entry");
+ list->options = opt;
+ list->next = extra_options;
+ extra_options = list;
+}
+
+/*
+ * usage - print out a message telling how to use the program.
+ */
+static void
+usage()
+{
+ if (phase == PHASE_INITIALIZE)
+ fprintf(stderr, usage_string, VERSION, PATCHLEVEL, IMPLEMENTATION,
+ progname);
+}
+
+/*
+ * showhelp - print out usage message and exit.
+ */
+static int
+showhelp(argv)
+ char **argv;
+{
+ if (phase == PHASE_INITIALIZE) {
+ usage();
+ exit(0);
+ }
+ return 0;
+}
+
+/*
+ * showversion - print out the version number and exit.
+ */
+static int
+showversion(argv)
+ char **argv;
+{
+ if (phase == PHASE_INITIALIZE) {
+ fprintf(stderr, "pppd version %s.%d%s\n",
+ VERSION, PATCHLEVEL, IMPLEMENTATION);
+ exit(0);
+ }
+ return 0;
+}
+
/*
* option_error - print a message about an error in an option.
* The message is logged, and also sent to
option_error __V((char *fmt, ...))
{
va_list args;
- int n;
char buf[256];
-#if __STDC__
+#if defined(__STDC__)
va_start(args, fmt);
#else
char *fmt;
va_start(args);
fmt = va_arg(args, char *);
#endif
- vfmtmsg(buf, sizeof(buf), fmt, args);
+ if (prepass) {
+ va_end(args);
+ return;
+ }
+ vslprintf(buf, sizeof(buf), fmt, args);
va_end(args);
if (phase == PHASE_INITIALIZE)
fprintf(stderr, "%s: %s\n", progname, buf);
syslog(LOG_ERR, "%s", buf);
}
+#if 0
/*
* readable - check if a file is readable by the real user.
*/
-static int
+int
readable(fd)
int fd;
{
uid_t uid;
- int ngroups, i;
+ int i;
struct stat sbuf;
- GIDSET_TYPE groups[NGROUPS_MAX];
uid = getuid();
if (uid == 0)
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;
}
+#endif
/*
* Read a word from a file.
* the base is assumed to be 0, and *valp is not changed
* if there is an error.
*/
-static int
+int
int_option(str, valp)
char *str;
int *valp;
readfile(argv)
char **argv;
{
- return options_from_file(*argv, 1, 1);
+ return options_from_file(*argv, 1, 1, privileged_option);
}
/*
- * setdebug - Set debug (command line argument).
+ * callfile - take commands from /etc/ppp/peers/<name>.
+ * Name may not contain /../, start with / or ../, or end in /..
*/
static int
-setdebug()
+callfile(argv)
+ char **argv;
{
- debug++;
- return (1);
+ char *fname, *arg, *p;
+ int l, ok;
+
+ arg = *argv;
+ ok = 1;
+ if (arg[0] == '/' || arg[0] == 0)
+ ok = 0;
+ else {
+ for (p = arg; *p != 0; ) {
+ if (p[0] == '.' && p[1] == '.' && (p[2] == '/' || p[2] == 0)) {
+ ok = 0;
+ break;
+ }
+ while (*p != '/' && *p != 0)
+ ++p;
+ if (*p == '/')
+ ++p;
+ }
+ }
+ if (!ok) {
+ option_error("call option value may not contain .. or start with /");
+ return 0;
+ }
+
+ l = strlen(arg) + strlen(_PATH_PEERFILES) + 1;
+ if ((fname = (char *) malloc(l)) == NULL)
+ novm("call file name");
+ slprintf(fname, l, "%s%s", _PATH_PEERFILES, arg);
+
+ ok = options_from_file(fname, 1, 1, 1);
+
+ free(fname);
+ return ok;
}
+#ifdef PPP_FILTER
/*
- * setkdebug - Set kernel debugging level.
+ * setpdebug - Set libpcap debugging level.
*/
static int
-setkdebug(argv)
+setpdebug(argv)
char **argv;
{
- return int_option(*argv, &kdebugflag);
+ return int_option(*argv, &dflag);
}
/*
- * noopt - Disable all options.
+ * setpassfilter - Set the pass filter for packets
*/
static int
-noopt()
+setpassfilter(argv)
+ char **argv;
{
- BZERO((char *) &lcp_wantoptions[0], sizeof (struct lcp_options));
- BZERO((char *) &lcp_allowoptions[0], sizeof (struct lcp_options));
- BZERO((char *) &ipcp_wantoptions[0], sizeof (struct ipcp_options));
- BZERO((char *) &ipcp_allowoptions[0], sizeof (struct ipcp_options));
-
-#ifdef IPX_CHANGE
- BZERO((char *) &ipxcp_wantoptions[0], sizeof (struct ipxcp_options));
- BZERO((char *) &ipxcp_allowoptions[0], sizeof (struct ipxcp_options));
-#endif /* IPX_CHANGE */
-
- return (1);
+ pc.linktype = DLT_PPP;
+ pc.snapshot = PPP_HDRLEN;
+
+ if (pcap_compile(&pc, &pass_filter, *argv, 1, netmask) == 0)
+ return 1;
+ option_error("error in pass-filter expression: %s\n", pcap_geterr(&pc));
+ return 0;
}
/*
- * noaccomp - Disable Address/Control field compression negotiation.
+ * setactivefilter - Set the active filter for packets
*/
static int
-noaccomp()
+setactivefilter(argv)
+ char **argv;
{
- lcp_wantoptions[0].neg_accompression = 0;
- lcp_allowoptions[0].neg_accompression = 0;
- return (1);
+ pc.linktype = DLT_PPP;
+ pc.snapshot = PPP_HDRLEN;
+
+ if (pcap_compile(&pc, &active_filter, *argv, 1, netmask) == 0)
+ return 1;
+ option_error("error in active-filter expression: %s\n", pcap_geterr(&pc));
+ return 0;
}
-
+#endif
/*
- * noasyncmap - Disable async map negotiation.
+ * noopt - Disable all options.
*/
static int
-noasyncmap()
+noopt(argv)
+ char **argv;
{
- lcp_wantoptions[0].neg_asyncmap = 0;
- lcp_allowoptions[0].neg_asyncmap = 0;
+ BZERO((char *) &lcp_wantoptions[0], sizeof (struct lcp_options));
+ BZERO((char *) &lcp_allowoptions[0], sizeof (struct lcp_options));
+ BZERO((char *) &ipcp_wantoptions[0], sizeof (struct ipcp_options));
+ BZERO((char *) &ipcp_allowoptions[0], sizeof (struct ipcp_options));
+
return (1);
}
-
/*
- * noip - Disable IP and IPCP.
+ * setdomain - Set domain name to append to hostname
*/
static int
-noip()
+setdomain(argv)
+ char **argv;
{
- ipcp_protent.enabled_flag = 0;
+ if (!privileged_option) {
+ option_error("using the domain option requires root privilege");
+ return 0;
+ }
+ gethostname(hostname, MAXNAMELEN);
+ if (**argv != 0) {
+ if (**argv != '.')
+ strncat(hostname, ".", MAXNAMELEN - strlen(hostname));
+ strncat(hostname, *argv, MAXNAMELEN - strlen(hostname));
+ }
+ hostname[MAXNAMELEN-1] = 0;
return (1);
}
/*
- * nomagicnumber - Disable magic number negotiation.
+ * setspeed - Set the speed.
*/
static int
-nomagicnumber()
+setspeed(arg)
+ char *arg;
{
- lcp_wantoptions[0].neg_magicnumber = 0;
- lcp_allowoptions[0].neg_magicnumber = 0;
- return (1);
+ char *ptr;
+ int spd;
+
+ if (prepass)
+ return 1;
+ spd = strtol(arg, &ptr, 0);
+ if (ptr == arg || *ptr != 0 || spd == 0)
+ return 0;
+ inspeed = spd;
+ return 1;
}
/*
- * nomru - Disable mru negotiation.
+ * setdevname - Set the device name.
*/
static int
-nomru()
-{
- lcp_wantoptions[0].neg_mru = 0;
- lcp_allowoptions[0].neg_mru = 0;
- return (1);
-}
-
-
-/*
- * setmru - Set MRU for negotiation.
- */
-static int
-setmru(argv)
- char **argv;
-{
- u_int32_t mru;
-
- if (!number_option(*argv, &mru, 0))
- return 0;
- lcp_wantoptions[0].mru = mru;
- lcp_wantoptions[0].neg_mru = 1;
- return (1);
-}
-
-
-/*
- * setmru - Set the largest MTU we'll use.
- */
-static int
-setmtu(argv)
- char **argv;
-{
- u_int32_t mtu;
-
- if (!number_option(*argv, &mtu, 0))
- return 0;
- if (mtu < MINMRU || mtu > MAXMRU) {
- option_error("mtu option value of %u is too %s", mtu,
- (mtu < MINMRU? "small": "large"));
- return 0;
- }
- lcp_allowoptions[0].mru = mtu;
- return (1);
-}
-
-
-/*
- * nopcomp - Disable Protocol field compression negotiation.
- */
-static int
-nopcomp()
-{
- lcp_wantoptions[0].neg_pcompression = 0;
- lcp_allowoptions[0].neg_pcompression = 0;
- return (1);
-}
-
-
-/*
- * setpassive - Set passive mode (don't give up if we time out sending
- * LCP configure-requests).
- */
-static int
-setpassive()
-{
- lcp_wantoptions[0].passive = 1;
- return (1);
-}
-
-
-/*
- * setsilent - Set silent mode (don't start sending LCP configure-requests
- * until we get one from the peer).
- */
-static int
-setsilent()
-{
- lcp_wantoptions[0].silent = 1;
- return 1;
-}
-
-
-/*
- * nopap - Disable PAP authentication with peer.
- */
-static int
-nopap()
-{
- refuse_pap = 1;
- return (1);
-}
-
-
-/*
- * reqpap - Require PAP authentication from peer.
- */
-static int
-reqpap()
-{
- lcp_wantoptions[0].neg_upap = 1;
- auth_required = 1;
- return 1;
-}
-
-#if OLD_OPTIONS
-/*
- * setupapfile - specifies UPAP info for authenticating with peer.
- */
-static int
-setupapfile(argv)
- char **argv;
-{
- FILE * ufile;
- int l;
-
- lcp_allowoptions[0].neg_upap = 1;
-
- /* open user info file */
- if ((ufile = fopen(*argv, "r")) == NULL) {
- option_error("unable to open user login data file %s", *argv);
- return 0;
- }
- if (!readable(fileno(ufile))) {
- option_error("%s: access denied", *argv);
- return 0;
- }
- check_access(ufile, *argv);
-
- /* get username */
- if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
- || fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
- option_error("unable to read user login data file %s", *argv);
- return 0;
- }
- fclose(ufile);
-
- /* get rid of newlines */
- l = strlen(user);
- if (l > 0 && user[l-1] == '\n')
- user[l-1] = 0;
- l = strlen(passwd);
- if (l > 0 && passwd[l-1] == '\n')
- passwd[l-1] = 0;
-
- return (1);
-}
-#endif
-
-/*
- * nochap - Disable CHAP authentication with peer.
- */
-static int
-nochap()
-{
- refuse_chap = 1;
- return (1);
-}
-
-
-/*
- * reqchap - Require CHAP authentication from peer.
- */
-static int
-reqchap()
-{
- lcp_wantoptions[0].neg_chap = 1;
- auth_required = 1;
- return (1);
-}
-
-
-/*
- * setnovj - disable vj compression
- */
-static int
-setnovj()
-{
- ipcp_wantoptions[0].neg_vj = 0;
- ipcp_allowoptions[0].neg_vj = 0;
- return (1);
-}
-
-
-/*
- * setnovjccomp - disable VJ connection-ID compression
- */
-static int
-setnovjccomp()
-{
- ipcp_wantoptions[0].cflag = 0;
- ipcp_allowoptions[0].cflag = 0;
- return 1;
-}
-
-
-/*
- * setvjslots - set maximum number of connection slots for VJ compression
- */
-static int
-setvjslots(argv)
- char **argv;
-{
- int value;
-
- if (!int_option(*argv, &value))
- return 0;
- if (value < 2 || value > 16) {
- option_error("vj-max-slots value must be between 2 and 16");
- return 0;
- }
- ipcp_wantoptions [0].maxslotindex =
- ipcp_allowoptions[0].maxslotindex = value - 1;
- return 1;
-}
-
-
-/*
- * setconnector - Set a program to connect to a serial line
- */
-static int
-setconnector(argv)
- char **argv;
-{
- connector = strdup(*argv);
- if (connector == NULL)
- novm("connect script");
-
- 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("disconnect script");
-
- return (1);
-}
-
-/*
- * setwelcomer - Set a program to welcome a client after connection
- */
-static int
-setwelcomer(argv)
- char **argv;
-{
- welcomer = strdup(*argv);
- if (welcomer == NULL)
- novm("welcome script");
-
- return (1);
-}
-
-/*
- * setmaxconnect - Set the maximum connect time
- */
-static int
-setmaxconnect(argv)
- char **argv;
-{
- int value;
-
- if (!int_option(*argv, &value))
- return 0;
- if (value < 0) {
- option_error("maxconnect time must be positive");
- return 0;
- }
- maxconnect = value;
- return 1;
-}
-
-/*
- * setdomain - Set domain name to append to hostname
- */
-static int
-setdomain(argv)
- char **argv;
-{
- gethostname(hostname, MAXNAMELEN);
- if (**argv != 0) {
- if (**argv != '.')
- strncat(hostname, ".", MAXNAMELEN - strlen(hostname));
- strncat(hostname, *argv, MAXNAMELEN - strlen(hostname));
- }
- hostname[MAXNAMELEN-1] = 0;
- return (1);
-}
-
-
-/*
- * setasyncmap - add bits to asyncmap (what we request peer to escape).
- */
-static int
-setasyncmap(argv)
- char **argv;
-{
- u_int32_t asyncmap;
-
- if (!number_option(*argv, &asyncmap, 16))
- return 0;
- lcp_wantoptions[0].asyncmap |= asyncmap;
- lcp_wantoptions[0].neg_asyncmap = 1;
- 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) {
- option_error("escape parameter contains invalid hex number '%s'",
- p);
- return 0;
- }
- p = endp;
- if (n < 0 || 0x20 <= n && n <= 0x3F || n == 0x5E || n > 0xFF) {
- option_error("can't escape character 0x%x", n);
- ret = 0;
- } else
- xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
- while (*p == ',' || *p == ' ')
- ++p;
- }
- return ret;
-}
-
-
-/*
- * setspeed - Set the speed.
- */
-static int
-setspeed(arg)
- char *arg;
-{
- char *ptr;
- int spd;
-
- spd = strtol(arg, &ptr, 0);
- if (ptr == arg || *ptr != 0 || spd == 0)
- return 0;
- inspeed = spd;
- return 1;
-}
-
-
-/*
- * setdevname - Set the device name.
- */
-static int
-setdevname(cp, quiet)
- char *cp;
- int quiet;
+setdevname(cp)
+ char *cp;
{
struct stat statbuf;
char dev[MAXPATHLEN];
return 0;
if (strncmp("/dev/", cp, 5) != 0) {
- strcpy(dev, "/dev/");
- strncat(dev, cp, MAXPATHLEN - 5);
- dev[MAXPATHLEN-1] = 0;
+ strlcpy(dev, "/dev/", sizeof(dev));
+ strlcat(dev, cp, sizeof(dev));
cp = dev;
}
/*
- * Check if there is a device by this name.
+ * Check if there is a character device by this name.
*/
if (stat(cp, &statbuf) < 0) {
- if (errno == ENOENT || quiet)
+ if (errno == ENOENT)
return 0;
option_error("Couldn't stat %s: %m", cp);
return -1;
}
-
- (void) strncpy(devnam, cp, MAXPATHLEN);
- devnam[MAXPATHLEN-1] = 0;
- default_device = FALSE;
+ if (!S_ISCHR(statbuf.st_mode)) {
+ option_error("%s is not a character device", cp);
+ return -1;
+ }
+
+ if (phase != PHASE_INITIALIZE) {
+ option_error("device name cannot be changed after initialization");
+ return -1;
+ } else if (devnam_fixed) {
+ option_error("per-tty options file may not specify device name");
+ return -1;
+ }
+
+ if (devnam_info.priv && !privileged_option) {
+ option_error("device name cannot be overridden");
+ return -1;
+ }
+
+ strlcpy(devnam, cp, sizeof(devnam));
+ devstat = statbuf;
+ default_device = 0;
+ devnam_info.priv = privileged_option;
+ devnam_info.source = option_source;
return 1;
}
*/
if ((colon = strchr(arg, ':')) == NULL)
return 0;
+ if (prepass)
+ return 1;
/*
* If colon first character, then no local addr.
return -1;
} else {
local = *(u_int32_t *)hp->h_addr;
- if (our_name[0] == 0) {
- strncpy(our_name, arg, MAXNAMELEN);
- our_name[MAXNAMELEN-1] = 0;
- }
}
}
if (bad_ip_adrs(local)) {
return -1;
} else {
remote = *(u_int32_t *)hp->h_addr;
- if (remote_name[0] == 0) {
- strncpy(remote_name, colon, MAXNAMELEN);
- remote_name[MAXNAMELEN-1] = 0;
- }
+ if (remote_name[0] == 0)
+ strlcpy(remote_name, colon, sizeof(remote_name));
}
}
if (bad_ip_adrs(remote)) {
/*
- * setnoipdflt - disable setipdefault()
+ * setnetmask - set the netmask to be used on the interface.
*/
static int
-setnoipdflt()
+setnetmask(argv)
+ char **argv;
{
- disable_defaultip = 1;
- return 1;
-}
-
-
-/*
- * setipcpaccl - accept peer's idea of our address
- */
-static int
-setipcpaccl()
-{
- ipcp_wantoptions[0].accept_local = 1;
- return 1;
-}
-
-
-/*
- * setipcpaccr - accept peer's idea of its address
- */
-static int
-setipcpaccr()
-{
- ipcp_wantoptions[0].accept_remote = 1;
- return 1;
-}
+ u_int32_t mask, b;
+ int n, ok;
+ char *p, *endp;
+ /*
+ * Unfortunately, if we use inet_addr, we can't tell whether
+ * a result of all 1s is an error or a valid 255.255.255.255.
+ */
+ p = *argv;
+ ok = 0;
+ mask = 0;
+ for (n = 3;; --n) {
+ b = strtoul(p, &endp, 0);
+ if (endp == p)
+ break;
+ if (b < 0 || b > 255) {
+ if (n == 3) {
+ /* accept e.g. 0xffffff00 */
+ p = endp;
+ mask = b;
+ }
+ break;
+ }
+ mask |= b << (n * 8);
+ p = endp;
+ if (*p != '.' || n == 0)
+ break;
+ ++p;
+ }
-/*
- * setnetmask - set the netmask to be used on the interface.
- */
-static int
-setnetmask(argv)
- char **argv;
-{
- u_int32_t mask;
+ mask = htonl(mask);
- if ((mask = inet_addr(*argv)) == -1 || (netmask & ~mask) != 0) {
+ if (*p != 0 || (netmask & ~mask) != 0) {
option_error("invalid netmask value '%s'", *argv);
return 0;
}
}
static int
-setcrtscts()
-{
- crtscts = 1;
- return (1);
-}
-
-static int
-setnocrtscts()
-{
- crtscts = -1;
- return (1);
-}
-
-static int
-setxonxoff()
+setxonxoff(argv)
+ char **argv;
{
lcp_wantoptions[0].asyncmap |= 0x000A0000; /* escape ^S and ^Q */
lcp_wantoptions[0].neg_asyncmap = 1;
}
static int
-setnodetach()
-{
- nodetach = 1;
- return (1);
-}
-
-static int
-setdemand()
-{
- demand = 1;
- return 1;
-}
-
-static int
-setmodem()
-{
- modem = 1;
- return 1;
-}
-
-static int
-setlocal()
-{
- modem = 0;
- return 1;
-}
-
-static int
-setlock()
-{
- lockflag = 1;
- return 1;
-}
-
-static int
-setusehostname()
-{
- usehostname = 1;
- return 1;
-}
-
-static int
-setname(argv)
- char **argv;
-{
- if (our_name[0] == 0) {
- strncpy(our_name, argv[0], MAXNAMELEN);
- our_name[MAXNAMELEN-1] = 0;
- }
- return 1;
-}
-
-static int
-setuser(argv)
+setlogfile(argv)
char **argv;
{
- strncpy(user, argv[0], MAXNAMELEN);
- user[MAXNAMELEN-1] = 0;
- return 1;
-}
-
-static int
-setremote(argv)
- char **argv;
-{
- strncpy(remote_name, argv[0], MAXNAMELEN);
- remote_name[MAXNAMELEN-1] = 0;
- return 1;
-}
-
-static int
-setauth()
-{
- auth_required = 1;
- return 1;
-}
-
-static int
-setdefaultroute()
-{
- if (!ipcp_allowoptions[0].default_route) {
- option_error("defaultroute option is disabled");
- return 0;
- }
- ipcp_wantoptions[0].default_route = 1;
- return 1;
-}
-
-static int
-setnodefaultroute()
-{
- ipcp_allowoptions[0].default_route = 0;
- ipcp_wantoptions[0].default_route = 0;
- return 1;
-}
-
-static int
-setproxyarp()
-{
- if (!ipcp_allowoptions[0].proxy_arp) {
- option_error("proxyarp option is disabled");
+ int fd, err;
+
+ if (!privileged_option)
+ seteuid(getuid());
+ fd = open(*argv, O_WRONLY | O_APPEND);
+ err = errno;
+ if (!privileged_option)
+ seteuid(0);
+ if (fd < 0) {
+ errno = err;
+ option_error("Can't open log file %s: %m", *argv);
return 0;
}
- ipcp_wantoptions[0].proxy_arp = 1;
- return 1;
-}
-
-static int
-setnoproxyarp()
-{
- ipcp_wantoptions[0].proxy_arp = 0;
- ipcp_allowoptions[0].proxy_arp = 0;
+ if (log_to_file && log_to_fd >= 0)
+ close(log_to_fd);
+ log_to_fd = fd;
+ log_to_file = 1;
return 1;
}
+#ifdef PLUGIN
static int
-setpersist()
-{
- persist = 1;
- return 1;
-}
-
-static int
-setdologin()
-{
- uselogin = 1;
- return 1;
-}
-
-/*
- * Functions to set the echo interval for modem-less monitors
- */
-
-static int
-setlcpechointv(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_echo_interval);
-}
-
-static int
-setlcpechofails(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_echo_fails);
-}
-
-/*
- * Functions to set timeouts, max transmits, etc.
- */
-static int
-setlcptimeout(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_fsm[0].timeouttime);
-}
-
-static int
-setlcpterm(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_fsm[0].maxtermtransmits);
-}
-
-static int
-setlcpconf(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_fsm[0].maxconfreqtransmits);
-}
-
-static int
-setlcpfails(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_fsm[0].maxnakloops);
-}
-
-static int
-setipcptimeout(argv)
+loadplugin(argv)
char **argv;
{
- return int_option(*argv, &ipcp_fsm[0].timeouttime);
-}
-
-static int
-setipcpterm(argv)
- char **argv;
-{
- return int_option(*argv, &ipcp_fsm[0].maxtermtransmits);
-}
-
-static int
-setipcpconf(argv)
- char **argv;
-{
- return int_option(*argv, &ipcp_fsm[0].maxconfreqtransmits);
-}
-
-static int
-setipcpfails(argv)
- char **argv;
-{
- return int_option(*argv, &lcp_fsm[0].maxnakloops);
-}
-
-static int
-setpaptimeout(argv)
- char **argv;
-{
- return int_option(*argv, &upap[0].us_timeouttime);
-}
-
-static int
-setpapreqtime(argv)
- char **argv;
-{
- return int_option(*argv, &upap[0].us_reqtimeout);
-}
-
-static int
-setpapreqs(argv)
- char **argv;
-{
- return int_option(*argv, &upap[0].us_maxtransmits);
-}
-
-static int
-setchaptimeout(argv)
- char **argv;
-{
- return int_option(*argv, &chap[0].timeouttime);
-}
-
-static int
-setchapchal(argv)
- char **argv;
-{
- return int_option(*argv, &chap[0].max_transmits);
-}
-
-static int
-setchapintv(argv)
- char **argv;
-{
- return int_option(*argv, &chap[0].chal_interval);
-}
-
-static int
-noccp()
-{
- ccp_protent.enabled_flag = 0;
- return 1;
-}
-
-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) {
- option_error("invalid parameter '%s' for bsdcomp option", *argv);
+ char *arg = *argv;
+ void *handle;
+ const char *err;
+ void (*init) __P((void));
+
+ handle = dlopen(arg, RTLD_GLOBAL | RTLD_NOW);
+ if (handle == 0) {
+ err = dlerror();
+ if (err != 0)
+ option_error("%s", err);
+ option_error("Couldn't load plugin %s", arg);
return 0;
}
- if (rbits != 0 && (rbits < BSD_MIN_BITS || rbits > BSD_MAX_BITS)
- || abits != 0 && (abits < BSD_MIN_BITS || abits > BSD_MAX_BITS)) {
- option_error("bsdcomp option values must be 0 or %d .. %d",
- BSD_MIN_BITS, BSD_MAX_BITS);
+ init = dlsym(handle, "plugin_init");
+ if (init == 0) {
+ option_error("%s has no initialization entry point", arg);
+ dlclose(handle);
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;
- return 1;
-}
-
-static int
-setdeflate(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) {
- option_error("invalid parameter '%s' for deflate option", *argv);
- return 0;
- }
- if (rbits != 0 && (rbits < DEFLATE_MIN_SIZE || rbits > DEFLATE_MAX_SIZE)
- || abits != 0 && (abits < DEFLATE_MIN_SIZE
- || abits > DEFLATE_MAX_SIZE)) {
- option_error("deflate option values must be 0 or %d .. %d",
- DEFLATE_MIN_SIZE, DEFLATE_MAX_SIZE);
- return 0;
- }
- if (rbits > 0) {
- ccp_wantoptions[0].deflate = 1;
- ccp_wantoptions[0].deflate_size = rbits;
- } else
- ccp_wantoptions[0].deflate = 0;
- if (abits > 0) {
- ccp_allowoptions[0].deflate = 1;
- ccp_allowoptions[0].deflate_size = abits;
- } else
- ccp_allowoptions[0].deflate = 0;
- return 1;
-}
-
-static int
-setnodeflate()
-{
- ccp_wantoptions[0].deflate = 0;
- ccp_allowoptions[0].deflate = 0;
- return 1;
-}
-
-static int
-setpred1comp()
-{
- ccp_wantoptions[0].predictor_1 = 1;
- ccp_allowoptions[0].predictor_1 = 1;
- return 1;
-}
-
-static int
-setnopred1comp()
-{
- ccp_wantoptions[0].predictor_1 = 0;
- ccp_allowoptions[0].predictor_1 = 0;
- return 1;
-}
-
-static int
-setipparam(argv)
- char **argv;
-{
- ipparam = strdup(*argv);
- if (ipparam == NULL)
- novm("ipparam string");
-
- return 1;
-}
-
-static int
-setpapcrypt()
-{
- cryptpap = 1;
- return 1;
-}
-
-static int
-setidle(argv)
- char **argv;
-{
- return int_option(*argv, &idle_time_limit);
-}
-
-static int
-setholdoff(argv)
- char **argv;
-{
- return int_option(*argv, &holdoff);
-}
-
-#ifdef IPX_CHANGE
-static int
-setipxrouter (argv)
- char **argv;
-{
- ipxcp_wantoptions[0].neg_router = 1;
- ipxcp_allowoptions[0].neg_router = 1;
- return int_option(*argv, &ipxcp_wantoptions[0].router);
-}
-
-static int
-setipxname (argv)
- char **argv;
-{
- char *dest = ipxcp_wantoptions[0].name;
- char *src = *argv;
- int count;
- char ch;
-
- ipxcp_wantoptions[0].neg_name = 1;
- ipxcp_allowoptions[0].neg_name = 1;
- memset (dest, '\0', sizeof (ipxcp_wantoptions[0].name));
-
- count = 0;
- while (*src) {
- ch = *src++;
- if (! isalnum (ch) && ch != '_') {
- option_error("IPX router name must be alphanumeric or _");
- return 0;
- }
-
- if (count >= sizeof (ipxcp_wantoptions[0].name)) {
- option_error("IPX router name is limited to %d characters",
- sizeof (ipxcp_wantoptions[0].name) - 1);
- return 0;
- }
-
- dest[count++] = toupper (ch);
- }
-
- return 1;
-}
-
-static int
-setipxcptimeout (argv)
- char **argv;
-{
- return int_option(*argv, &ipxcp_fsm[0].timeouttime);
-}
-
-static int
-setipxcpterm (argv)
- char **argv;
-{
- return int_option(*argv, &ipxcp_fsm[0].maxtermtransmits);
-}
-
-static int
-setipxcpconf (argv)
- char **argv;
-{
- return int_option(*argv, &ipxcp_fsm[0].maxconfreqtransmits);
-}
-
-static int
-setipxcpfails (argv)
- char **argv;
-{
- return int_option(*argv, &ipxcp_fsm[0].maxnakloops);
-}
-
-static int
-setipxnetwork(argv)
- char **argv;
-{
- ipxcp_wantoptions[0].neg_nn = 1;
- return int_option(*argv, &ipxcp_wantoptions[0].our_network);
-}
-
-static int
-setipxanet()
-{
- ipxcp_wantoptions[0].accept_network = 1;
- ipxcp_allowoptions[0].accept_network = 1;
-}
-
-static int
-setipxalcl()
-{
- ipxcp_wantoptions[0].accept_local = 1;
- ipxcp_allowoptions[0].accept_local = 1;
-}
-
-static int
-setipxarmt()
-{
- ipxcp_wantoptions[0].accept_remote = 1;
- ipxcp_allowoptions[0].accept_remote = 1;
-}
-
-static u_char *
-setipxnodevalue(src,dst)
-u_char *src, *dst;
-{
- int indx;
- int item;
-
- for (;;) {
- if (!isxdigit (*src))
- break;
-
- for (indx = 0; indx < 5; ++indx) {
- dst[indx] <<= 4;
- dst[indx] |= (dst[indx + 1] >> 4) & 0x0F;
- }
-
- item = toupper (*src) - '0';
- if (item > 9)
- item -= 7;
-
- dst[5] = (dst[5] << 4) | item;
- ++src;
- }
- return src;
-}
-
-static int
-setipxnode(argv)
- char **argv;
-{
- char *end;
-
- memset (&ipxcp_wantoptions[0].our_node[0], 0, 6);
- memset (&ipxcp_wantoptions[0].his_node[0], 0, 6);
-
- end = setipxnodevalue (*argv, &ipxcp_wantoptions[0].our_node[0]);
- if (*end == ':')
- end = setipxnodevalue (++end, &ipxcp_wantoptions[0].his_node[0]);
-
- if (*end == '\0') {
- ipxcp_wantoptions[0].neg_node = 1;
- return 1;
- }
-
- option_error("invalid parameter '%s' for ipx-node option", *argv);
- return 0;
-}
-
-static int
-setipxproto()
-{
- ipxcp_protent.enabled_flag = 1;
- return 1;
-}
-
-static int
-resetipxproto()
-{
- ipxcp_protent.enabled_flag = 0;
+ info("Plugin %s loaded.", arg);
+ (*init)();
return 1;
}
-#endif /* IPX_CHANGE */
-
-#ifdef USE_MS_DNS
-/*
- * setdnsaddr - set the dns address(es)
- */
-
-static int
-setdnsaddr(argv)
- char **argv;
-{
- u_int32_t dns;
- struct hostent *hp;
-
- dns = inet_addr(*argv);
- if (dns == -1) {
- if ((hp = gethostbyname(*argv)) == NULL) {
- option_error("invalid address parameter '%s' for ms-dns option",
- *argv);
- return 0;
- }
- dns = *(u_int32_t *)hp->h_addr;
- }
-
- if (ipcp_allowoptions[0].dnsaddr[0] == 0) {
- ipcp_allowoptions[0].dnsaddr[0] = dns;
- } else {
- ipcp_allowoptions[0].dnsaddr[1] = dns;
- }
-
- return (1);
-}
-#endif /* USE_MS_DNS */
+#endif /* PLUGIN */