home *** CD-ROM | disk | FTP | other *** search
- /* Main network program - provides both client and server functions */
-
-
- #define HOSTNAMELEN 64
- unsigned restricted_dev=1000;
- extern char *startup; /* File to read startup commands from */
- #include <stdio.h>
- #include "config.h"
- #include "global.h"
- #include "mbuf.h"
- #include "netuser.h"
- #include "timer.h"
- #include "icmp.h"
- #include "iface.h"
- #include "ip.h"
- #include "tcp.h"
- #include "ax25.h"
- #include "netrom.h"
- #include "ftp.h"
- #include "telnet.h"
- #include "remote.h"
- #include "session.h"
- #include "cmdparse.h"
-
- #ifdef ASY
- #include "asy.h"
- #include "slip.h"
- #endif
-
- #ifdef NRS
- #include "nrs.h"
- #endif
-
- #ifdef SLFP
- #include "slfp.h"
- #endif
-
- #ifdef UNIX /* BSD or SYS5 */
- #include "unix.h"
- #endif
-
- #ifdef AMIGA
- #include "amiga.h"
- #endif
-
- #ifdef MAC
- #include "mac.h"
- #endif
-
- #ifdef MSDOS
- #include "asy.h"
- #endif
-
- #ifdef ATARI_ST
- #include "st.h"
-
- #ifdef LATTICE
- long _MNEED = 100000L; /* Reserve RAM for subshell... */
- long _32K = 0x8000; /* For GST Linker (Don't ask me! -- hyc) */
- #endif
-
- #ifdef MWC
- long _stksize = 16384L; /* Fixed stack size... -- hyc */
- #endif
- #endif /* ATARI_ST */
-
- #ifdef SYS5
- #include <signal.h>
- int background = 0;
- #endif
-
- #ifdef TRACE
- #include "trace.h"
- /* Dummy structure for loopback tracing */
- struct interface loopback = { NULLIF, "loopback" };
- #endif
-
- extern struct interface *ifaces;
- extern char version[];
- extern struct mbuf *loopq;
- extern FILE *trfp;
- extern char trname[];
-
- int mode;
- FILE *logfp;
- char badhost[] = "Unknown host %s\n";
- char hostname[HOSTNAMELEN];
- unsigned nsessions = NSESSIONS;
- int32 resolve();
- int16 lport = 1001;
- char prompt[] = "net> ";
- char nospace[] = "No space!!\n"; /* Generic malloc fail message */
- #ifdef SYS5
- int io_active = 0;
- #endif
-
- #if ((!defined(MSDOS) && !defined(ATARI_ST)) || defined(PC9801)) /* PC/ST uses F-10 key always */
- static char escape = 0x1d; /* default escape character is ^] */
- #endif
-
- /* Command lookup and branch table */
- int go(),doax25(),cmdmode(),doconnect(),dotelnet(),doexit(),doclose(),
- dohostname(),doreset(),dotcp(),dotrace(),doescape(),dohelp(),
- doroute(),doecho(),dolog(),doip(),
- memstat(),doarp(),dosession(),doftp(),dostart(),dostop(),doattach(),
- dosmtp(),doudp(),doparam(),doeol(),
- dodump(),dorecord(),doupload(),dokick(),domode(),doshell(),
- dodir(),docd(),doatstat(),doping(),doforward(),doremote(),donetrom(),
- donrstat(), dombox(), mulport() ;
-
- #ifdef ETHER
- int doetherstat();
- #endif
- #ifdef EAGLE
- int doegstat();
- #endif
- #ifdef HAPN
- int dohapnstat();
- #endif
- #ifdef _FINGER
- int dofinger();
- #endif
-
- static struct cmds cmds[] = {
- /* The "go" command must be first */
- "", go, 0, NULLCHAR, NULLCHAR,
- "!", doshell, 0, NULLCHAR, NULLCHAR,
- #if (MAC && APPLETALK)
- "applestat", doatstat, 0, NULLCHAR, NULLCHAR,
- #endif
- #if (AX25 || ETHER || APPLETALK)
- "arp", doarp, 0, NULLCHAR, NULLCHAR,
- #endif
- #ifdef AX25
- "ax25", doax25, 0, NULLCHAR, NULLCHAR,
- #endif
- "attach", doattach, 2,
- "attach <hardware> <hw specific options>", NULLCHAR,
- /* This one is out of alpabetical order to allow abbreviation to "c" */
- #ifdef AX25
- "connect", doconnect, 3,"connect <interface> <callsign> [digipeaters]",
- NULLCHAR,
- #endif
- #ifndef UNIX /* BSD or SYS5 */
- "cd", docd, 0, NULLCHAR, NULLCHAR,
- #endif
- "close", doclose, 0, NULLCHAR, NULLCHAR,
- "disconnect", doclose, 0, NULLCHAR, NULLCHAR,
- "dir", dodir, 0, NULLCHAR, NULLCHAR,
- #ifdef EAGLE
- "eaglestat", doegstat, 0, NULLCHAR, NULLCHAR,
- #endif
- "echo", doecho, 0, NULLCHAR, "echo [refuse|accept]",
- "eol", doeol, 0, NULLCHAR,
- "eol options: unix, standard",
- #if ((!defined(MSDOS) && !defined(ATARI_ST)) || defined(PC9801))
- "escape", doescape, 0, NULLCHAR, NULLCHAR,
- #endif
- #ifdef PC_EC
- "etherstat", doetherstat, 0, NULLCHAR, NULLCHAR,
- #endif PC_EC
- "exit", doexit, 0, NULLCHAR, NULLCHAR,
- #ifdef _FINGER
- "finger", dofinger, 0, NULLCHAR, NULLCHAR,
- #endif
- "forward", doforward, 0, NULLCHAR, NULLCHAR,
- "ftp", doftp, 2, "ftp <address>", NULLCHAR,
- #ifdef HAPN
- "hapnstat", dohapnstat, 0, NULLCHAR, NULLCHAR,
- #endif
- "help", dohelp, 0, NULLCHAR, NULLCHAR,
- "hostname", dohostname, 0, NULLCHAR, NULLCHAR,
- "kick", dokick, 0, NULLCHAR, NULLCHAR,
- "log", dolog, 0, NULLCHAR, NULLCHAR,
- "ip", doip, 0, NULLCHAR, NULLCHAR,
- "memstat", memstat, 0, NULLCHAR, NULLCHAR,
- #ifdef AX25
- "mbox", dombox, 0, NULLCHAR, NULLCHAR,
- "mode", domode, 2, "mode <interface>", NULLCHAR,
- #endif
- #ifdef MULPORT
- "mulport", mulport, 2, "mulport <on|off>", NULLCHAR,
- #endif
- #ifdef NETROM
- "netrom", donetrom, 0, NULLCHAR, NULLCHAR,
- #ifdef NRS
- "nrstat", donrstat, 0, NULLCHAR, NULLCHAR,
- #endif
- #endif
- "param", doparam, 2, "param <interface>", NULLCHAR,
- "ping", doping, 0, NULLCHAR, NULLCHAR,
- #ifndef UNIX /* BSD or SYS5 */
- "pwd", docd, 0, NULLCHAR, NULLCHAR,
- #endif
- "record", dorecord, 0, NULLCHAR, NULLCHAR,
- "remote", doremote, 4, "remote <address> <port> <command>",
- NULLCHAR,
- "reset", doreset, 0, NULLCHAR, NULLCHAR,
- "route", doroute, 0, NULLCHAR, NULLCHAR,
- "session", dosession, 0, NULLCHAR, NULLCHAR,
- "shell", doshell, 0, NULLCHAR, NULLCHAR,
- "smtp", dosmtp, 0, NULLCHAR, NULLCHAR,
- #ifdef SERVERS
- "start", dostart, 2, "start <servername>",NULLCHAR,
- "stop", dostop, 2, "stop <servername>", NULLCHAR,
- #endif
- "tcp", dotcp, 0, NULLCHAR, NULLCHAR,
- "telnet", dotelnet, 2, "telnet <address>", NULLCHAR,
- #ifdef TRACE
- "trace", dotrace, 0, NULLCHAR, NULLCHAR,
- #endif
- "udp", doudp, 0, NULLCHAR, NULLCHAR,
- "upload", doupload, 0, NULLCHAR, NULLCHAR,
- "?", dohelp, 0, NULLCHAR, NULLCHAR,
- NULLCHAR, NULLFP, 0,
- "Unknown command; type \"?\" for list", NULLCHAR,
- };
-
- #ifdef SERVERS
- /* "start" and "stop" subcommands */
- int dis1(),echo1(),ftp1(),smtp1(),tn1(),rem1();
-
- #ifdef UNIX
- int tnix1();
- #endif
-
- #ifdef _FINGER
- int finger1();
- #endif
-
- static struct cmds startcmds[] = {
- "discard", dis1, 0, NULLCHAR, NULLCHAR,
- "echo", echo1, 0, NULLCHAR, NULLCHAR,
- #ifdef _FINGER
- "finger", finger1, 0, NULLCHAR, NULLCHAR,
- #endif
- "ftp", ftp1, 0, NULLCHAR, NULLCHAR,
- "smtp", smtp1, 0, NULLCHAR, NULLCHAR,
- "telnet", tn1, 0, NULLCHAR, NULLCHAR,
- #ifdef UNIX
- "telunix", tnix1, 0, NULLCHAR, NULLCHAR,
- #endif
- "remote", rem1, 0, NULLCHAR, NULLCHAR,
- NULLCHAR, NULLFP, 0,
- #ifdef UNIX
- #ifdef _FINGER
- "start options: discard, echo, finger, ftp, remote, smtp, telnet, telunix", NULLCHAR,
- #else
- "start options: discard, echo, ftp, remote, smtp, telnet, telunix", NULLCHAR,
- #endif
- #else /* UNIX */
- #ifdef _FINGER
- "start options: discard, echo, finger, ftp, remote, smtp, telnet", NULLCHAR,
- #else
- "start options: discard, echo, ftp, remote, smtp, telnet", NULLCHAR,
- #endif
- #endif /* UNIX */
- };
- int ftp_stop(),smtp_stop(),echo_stop(),dis_stop(),tn_stop();
- int dis0(),echo0(),ftp0(),smtp0(),tn0(),rem0();
-
- #ifdef UNIX
- int tnix0();
- #endif
-
- #ifdef _FINGER
- int finger0();
- #endif
-
- static struct cmds stopcmds[] = {
- "discard", dis0, 0, NULLCHAR, NULLCHAR,
- "echo", echo0, 0, NULLCHAR, NULLCHAR,
- #ifdef _FINGER
- "finger", finger0, 0, NULLCHAR, NULLCHAR,
- #endif
- "ftp", ftp0, 0, NULLCHAR, NULLCHAR,
- "smtp", smtp0, 0, NULLCHAR, NULLCHAR,
- "telnet", tn0, 0, NULLCHAR, NULLCHAR,
- #ifdef UNIX
- "telunix", tnix0, 0, NULLCHAR, NULLCHAR,
- #endif
- "remote", rem0, 0, NULLCHAR, NULLCHAR,
- NULLCHAR, NULLFP, 0,
- #ifdef UNIX
- #ifdef _FINGER
- "stop options: discard, echo, finger, ftp, remote, smtp, telnet, telunix", NULLCHAR,
- #else
- "stop options: discard, echo, ftp, remote, smtp, telnet, telunix", NULLCHAR,
- #endif
- #else /* UNIX */
- #ifdef _FINGER
- "stop options: discard, echo, finger, ftp, remote, smtp, telnet", NULLCHAR,
- #else
- "stop options: discard, echo, ftp, remote, smtp, telnet", NULLCHAR,
- #endif
- #endif /* UNIX */
- };
- #endif
-
- void
- keep_things_going()
- {
- void check_time(), ip_recv();
- struct interface *ifp;
- struct mbuf *bp;
-
- /* Service the loopback queue */
- if((bp = dequeue(&loopq)) != NULLBUF){
- struct ip ip;
- #ifdef TRACE
- dump(&loopback,IF_TRACE_IN,TRACE_IP,bp);
- #endif
- /* Extract IP header */
- ntohip(&ip,&bp);
- ip_recv(&ip,bp,0);
- }
- /* Service the interfaces */
- #ifdef SYS5
- do {
- io_active = 0;
- #endif
- for(ifp = ifaces; ifp != NULLIF; ifp = ifp->next){
- if(ifp->recv != NULLVFP)
- (*ifp->recv)(ifp);
- }
- #ifdef SYS5
- } while(io_active);
- #endif
-
- #ifdef XOBBS
- /* service the W2XO PBBS code */
- axchk();
- #endif
-
-
-
- /* Service the clock if it has ticked */
- check_time();
-
- #ifdef MSDOS
- /* Tell DoubleDos to let the other task run for awhile.
- * If DoubleDos isn't active, this is a no-op
- */
- #ifndef PLUS
- giveup();
- #endif
- #else
- /* Wait until interrupt, then do it all over again */
- eihalt();
- #endif
- }
-
- main(argc,argv)
- int argc;
- char *argv[];
- {
- static char inbuf[BUFSIZ]; /* keep it off the stack */
- int c;
- char *ttybuf,*fgets();
- int16 cnt;
- int ttydriv();
- int cmdparse();
- void check_time(),ip_recv();
- FILE *fp;
- struct interface *ifp;
- struct mbuf *bp;
- #ifdef UNIX
- char *p;
- static char startfn[256];
- char *getenv();
- #endif
- #ifdef FLOW
- extern int ttyflow;
- #endif
- #ifdef SYS5
- if (signal(SIGINT, SIG_IGN) == SIG_IGN) {
- background++;
- daemon();
- } else
- ioinit();
- #else
- ioinit();
- #endif
-
- #ifdef PLUS
- /*
- * set: cursor to block, attributes off, keyboard to ALT mode,
- * transmit functions off, use HP fonts
- */
- printf( "\033&d@" /* display attributes off */
- "\033[11m"); /* use ALT fonts */
- #endif
- #ifdef MSDOS
- #ifndef PLUS
- chktasker();
- #endif
- #endif
- #ifdef MSDOS
- printf("KA9Q Internet Protocol Package, v%s DS = %x\n",version,
- getds());
- #else
- #ifdef SYS5
- if (!background) {
- #endif
- printf("KA9Q Internet Protocol Package, v%s\n",version);
- #endif
- printf("Copyright 1988 by Phil Karn, KA9Q\n");
- #ifdef NETROM
- printf("NET/ROM Support Copyright 1989 by Dan Frank, W9NK\n") ;
- #endif
- #ifdef SYS5
- }
- #endif
- fflush(stdout);
- sessions = (struct session *)calloc(nsessions,sizeof(struct session));
- if(argc > 1){
- /* Read startup file named on command line */
- fp = fopen(argv[1],"r");
- } else {
- fp = fopen(startup,"r");
- }
- if(fp != NULLFILE){
- while(fgets(inbuf,BUFSIZ,fp) != NULLCHAR){
- cmdparse(cmds,inbuf);
- }
- fclose(fp);
- }
- #ifdef XOBBS
- axinit();
- #endif
- cmdmode();
-
- /* Main commutator loop */
- for(;;){
- /* Process any keyboard input */
- #ifdef SYS5
- while((background == 0) && ((c = kbread()) != -1)){
- #else
- while((c = kbread()) != -1){
- #endif
- #if (defined(MSDOS) || defined(ATARI_ST))
- /* c == -2 means the command escape key (F10) */
- if(c == -2){
- if(mode != CMD_MODE){
- printf("\n");
- cmdmode();
- }
- continue;
- }
- #endif
- #ifdef SYS5
- if(c == escape && escape != 0){
- if(mode != CMD_MODE){
- printf("\r\n");
- cmdmode();
- }
- continue;
- }
- #endif /* SYS5 */
-
- #ifndef FLOW
- if ((cnt = ttydriv(c, &ttybuf)) == 0)
- continue;
- #else
- cnt = ttydriv(c, &ttybuf);
- if (ttyflow && (mode != CMD_MODE))
- go(); /* display pending chars */
- if (cnt == 0)
- continue;
- #endif /* FLOW */
- #if (!defined(MSDOS) && !defined(ATARI_ST))
- if((ttybuf[0] == escape) && (escape != 0)) {
- if(mode != CMD_MODE){
- printf("\r\n");
- cmdmode();
- }
- continue;
- }
- #endif
- switch(mode){
- case CMD_MODE:
- (void)cmdparse(cmds,ttybuf);
- fflush(stdout);
- break;
- case CONV_MODE:
- #if ((!defined(MSDOS) && !defined(ATARI_ST)) || defined(PC9801))
- if(ttybuf[0] == escape && escape != 0){
- printf("\n");
- cmdmode();
- } else
- #endif /* MSDOS */
- if(current->parse != NULLFP)
- (*current->parse)(ttybuf,cnt);
- break;
- }
- if(mode == CMD_MODE){
- printf(prompt);
- fflush(stdout);
- }
- }
- keep_things_going();
- }
- }
- /* Standard commands called from main */
-
- /* Enter command mode */
- int
- cmdmode()
- {
- if(mode != CMD_MODE){
- mode = CMD_MODE;
- cooked();
- printf(prompt);
- fflush(stdout);
- }
- return 0;
- }
- static
- doexit()
- {
- #if defined(PLUS)
- /*
- * set: cursor to block, attributes off, keyboard to HP mode,
- * transmit functions off, use HP fonts
- */
- printf(/* "\033*dK" cursor to block */
- "\033&d@" /* display attributes off */
- /* "\033&k0\\" KBD to HP mode */
- /* "\033&s0A" transmit functions off */
- "\033[10m"); /* use HP fonts */
- #endif
- if(logfp != NULLFILE)
- fclose(logfp);
- #ifdef SYS5
- if (!background)
- iostop();
- #else
- iostop();
- #endif
- #ifdef TRACE
- if (trfp != stdout)
- fclose(trfp);
- #endif
- exit(0);
- }
- static
- dohostname(argc,argv)
- int argc;
- char *argv[];
- {
- char *strncpy();
-
- if(argc < 2)
- printf("%s\n",hostname);
- else
- strncpy(hostname,argv[1],HOSTNAMELEN);
- return 0;
- }
- static
- int
- dolog(argc,argv)
- int argc;
- char *argv[];
- {
- char *strncpy();
-
- #ifdef UNIX
- static char logname[256];
- #else
- static char logname[15];
- #endif
- if(argc < 2){
- if(logfp)
- printf("Logging to %s\n",logname);
- else
- printf("Logging off\n");
- return 0;
- }
- if(logfp){
- fclose(logfp);
- logfp = NULLFILE;
- }
- if(strcmp(argv[1],"stop") != 0){
- #ifdef UNIX
- strncpy(logname,argv[1],sizeof(logname));
- #else
- strncpy(logname,argv[1],15);
- #endif
- logfp = fopen(logname,"a+");
- }
- return 0;
- }
- static
- int
- dohelp()
- {
- register struct cmds *cmdp;
- int i,j;
-
- printf("Main commands:\n");
- for(i=0,cmdp = cmds;cmdp->name != NULL;cmdp++,i++){
- printf("%s",cmdp->name);
- if((i % 4) == 3)
- printf("\n");
- else {
- for(j=strlen(cmdp->name);j < 16; j++)
- putchar(' ');
- }
- }
- if((i % 4) != 0)
- printf("\n");
- return 0;
- }
-
- doecho(argc,argv)
- int argc;
- char *argv[];
- {
- extern int refuse_echo;
-
- if(argc < 2){
- if(refuse_echo)
- printf("Refuse\n");
- else
- printf("Accept\n");
- } else {
- if(argv[1][0] == 'r')
- refuse_echo = 1;
- else if(argv[1][0] == 'a')
- refuse_echo = 0;
- else
- return -1;
- }
- return 0;
- }
- /* set for unix end of line for remote echo mode telnet */
- doeol(argc,argv)
- int argc;
- char *argv[];
- {
- extern int unix_line_mode;
-
- if(argc < 2){
- if(unix_line_mode)
- printf("Unix\n");
- else
- printf("Standard\n");
- } else {
- if(strcmp(argv[1],"unix") == 0)
- unix_line_mode = 1;
- else if(strcmp(argv[1],"standard") == 0)
- unix_line_mode = 0;
- else {
- return -1;
- }
- }
- return 0;
- }
- /* Attach an interface
- * Syntax: attach <hw type> <I/O address> <vector> <mode> <label> <bufsize> [<speed>]
- */
- doattach(argc,argv)
- int argc;
- char *argv[];
- {
- extern struct cmds attab[];
-
- return subcmd(attab,argc,argv);
- }
- /* Manipulate I/O device parameters */
- doparam(argc,argv)
- int argc;
- char *argv[];
- {
- register struct interface *ifp;
-
- for(ifp=ifaces;ifp != NULLIF;ifp = ifp->next){
- if(strcmp(argv[1],ifp->name) == 0)
- break;
- }
- if(ifp == NULLIF){
- printf("Interface \"%s\" unknown\n",argv[1]);
- return 1;
- }
- if(ifp->ioctl == NULLFP){
- printf("Not supported\n");
- return 1;
- }
- /* Pass rest of args to device-specific code */
- return (*ifp->ioctl)(ifp,argc-2,argv+2);
- }
- /* Log messages of the form
- * Tue Jan 31 00:00:00 1987 44.64.0.7:1003 open FTP
- */
- /*VARARGS2*/
- log(tcb,fmt,arg1,arg2,arg3,arg4)
- struct tcb *tcb;
- char *fmt;
- int arg1,arg2,arg3,arg4;
- {
- char *cp;
- long t;
- int fd;
-
- if(logfp == NULLFILE)
- return;
- time(&t);
- cp = ctime(&t);
- rip(cp);
- fprintf(logfp,"%s %s - ",cp,psocket(&tcb->conn.remote));
- fprintf(logfp,fmt,arg1,arg2,arg3,arg4);
- fprintf(logfp,"\n");
- fflush(logfp);
- #if (defined(MSDOS) || defined(ATARI_ST))
- /* MS-DOS doesn't really flush files until they're closed */
- fd = fileno(logfp);
- if((fd = dup(fd)) != -1)
- close(fd);
- #endif
- }
- /* Configuration-dependent code */
-
- /* List of supported hardware devices */
- int modem_init(),asy_attach(),pc_attach(),at_attach(),nr_attach();
-
- #ifdef EAGLE
- int eg_attach();
- #endif
- #ifdef HAPN
- int hapn_attach();
- #endif
- #ifdef PC_EC
- int ec_attach();
- #endif
- #ifdef PACKET
- int pk_attach();
- #endif
-
- struct cmds attab[] = {
- #ifdef PC_EC
- /* 3-Com Ethernet interface */
- "3c500", ec_attach, 7,
- "attach 3c500 <address> <vector> arpa <label> <buffers> <mtu>",
- "Could not attach 3c500",
- #endif
- #ifdef ASY
- /* Ordinary PC asynchronous adaptor */
- "asy", asy_attach, 8,
- #ifdef UNIX
- #ifndef SLFP
- "attach asy 0 <ttyname> slip|ax25|nrs <label> <buffers> <mtu> <speed>",
- #else
- "attach asy 0 <ttyname> slip|ax25|nrs|slfp <label> <buffers> <mtu> <speed>",
- #endif /* SLFP */
- #else
- #ifndef SLFP
- "attach asy <address> <vector> slip|ax25|nrs <label> <buffers> <mtu> <speed>",
- #else
- "attach asy <address> <vector> slip|ax25|nrs|slfp <label> <buffers> <mtu> <speed>",
- #endif /* SLFP */
- #endif
- "Could not attach asy",
- #endif
- #ifdef PC100
- /* PACCOMM PC-100 8530 HDLC adaptor */
- "pc100", pc_attach, 8,
- "attach pc100 <address> <vector> ax25 <label> <buffers> <mtu> <speed>",
- "Could not attach pc100",
- #endif
- #ifdef EAGLE
- /* EAGLE RS-232C 8530 HDLC adaptor */
- "eagle", eg_attach, 8,
- "attach eagle <address> <vector> ax25 <label> <buffers> <mtu> <speed>",
- "Could not attach eagle",
- #endif
- #ifdef HAPN
- /* Hamilton Area Packet Radio (HAPN) 8273 HDLC adaptor */
- "hapn", hapn_attach, 8,
- "attach hapn <address> <vector> ax25 <label> <rx bufsize> <mtu> csma|full",
- "Could not attach hapn",
- #endif
- #ifdef APPLETALK
- /* Macintosh AppleTalk */
- "0", at_attach, 7,
- "attach 0 <protocol type> <device> arpa <label> <rx bufsize> <mtu>",
- "Could not attach Appletalk",
- #endif
- #ifdef NETROM
- /* fake netrom interface */
- "netrom", nr_attach, 1,
- "attach netrom",
- "Could not attach netrom",
- #endif
- #ifdef PACKET
- /* FTP Software's packet driver spec */
- "packet", pk_attach, 4,
- "attach packet <int#> <label> <buffers> <mtu>",
- "Could not attach packet driver",
- #endif
- NULLCHAR, NULLFP, 0,
- "Unknown device",
- NULLCHAR,
- };
-
- /* Protocol tracing function pointers */
- #ifdef TRACE
- int ax25_dump(),ether_dump(),ip_dump(),at_dump(),slfp_dump();
-
- int (*tracef[])() = {
- #ifdef AX25
- ax25_dump,
- #else
- NULLFP,
- #endif
-
- #ifdef ETHER
- ether_dump,
- #else
- NULLFP,
- #endif
- ip_dump,
-
- #ifdef APPLETALK
- at_dump,
- #else
- NULLFP,
- #endif
-
- #ifdef SLFP
- slfp_dump,
- #else
- NULLFP,
- #endif
- };
- #else
- int (*tracef[])() = { NULLFP }; /* No tracing at all */
- dump(interface,direction,type,bp)
- struct interface *interface;
- int direction;
- unsigned type;
- struct mbuf *bp;
- {
- }
- #endif
-
- #ifdef ASY
-
- /* Attach a serial interface to the system
- * argv[0]: hardware type, must be "asy"
- * argv[1]: I/O address, e.g., "0x3f8"
- * argv[2]: vector, e.g., "4"
- * argv[3]: mode, may be:
- * "slip" (point-to-point SLIP)
- * "ax25" (AX.25 frame format in SLIP for raw TNC)
- * "nrs" (NET/ROM format serial protocol)
- * "slfp" (point-to-point SLFP, as used by the Merit Network and MIT
- * argv[4]: interface label, e.g., "sl0"
- * argv[5]: receiver ring buffer size in bytes
- * argv[6]: maximum transmission unit, bytes
- * argv[7]: interface speed, e.g, "9600"
- * argv[8]: optional ax.25 callsign (NRS only)
- * optional command string for modem (SLFP only)
- * optional modem L.sys style command (SLIP only)
- */
- int
- asy_attach(argc,argv)
- int argc;
- char *argv[];
- {
- register struct interface *if_asy;
- extern struct interface *ifaces;
- int16 dev;
- int mode;
- int asy_init();
- int asy_send();
- int asy_ioctl();
- void doslip();
- int asy_stop();
- int ax_send();
- int ax_output();
- void kiss_recv();
- int kiss_raw();
- int kiss_ioctl();
- int slip_send();
- void slip_recv();
- int slip_raw();
-
- #ifdef SLFP
- int doslfp();
- int slfp_raw();
- int slfp_send();
- int slfp_recv();
- int slfp_init();
- #endif
-
- #ifdef AX25
- struct ax25_addr addr ;
- #endif
- int ax_send(),ax_output(),nrs_raw(),asy_ioctl();
- void nrs_recv();
-
- if(nasy >= ASY_MAX){
- printf("Too many asynch controllers\n");
- return -1;
- }
- if(strcmp(argv[3],"slip") == 0)
- mode = SLIP_MODE;
- #ifdef AX25
- else if(strcmp(argv[3],"ax25") == 0)
- mode = AX25_MODE;
- #endif
- #ifdef NRS
- else if(strcmp(argv[3],"nrs") == 0)
- mode = NRS_MODE;
- #endif
- #ifdef SLFP
- else if(strcmp(argv[3],"slfp") == 0)
- mode = SLFP_MODE;
- #endif
- else {
- printf("Mode %s unknown for interface %s\n",
- argv[3],argv[4]);
- return(-1);
- }
-
- dev = nasy++;
-
- /* Create interface structure and fill in details */
- if_asy = (struct interface *)calloc(1,sizeof(struct interface));
- if_asy->name = malloc((unsigned)strlen(argv[4])+1);
- strcpy(if_asy->name,argv[4]);
- if_asy->mtu = atoi(argv[6]);
- if_asy->dev = dev;
- if_asy->recv = doslip;
- if_asy->stop = asy_stop;
-
- switch(mode){
- #ifdef SLIP
- case SLIP_MODE:
- if_asy->ioctl = asy_ioctl;
- if_asy->send = slip_send;
- if_asy->output = NULLFP; /* ARP isn't used */
- if_asy->raw = slip_raw;
- if_asy->flags = 0;
- slip[dev].recv = slip_recv;
- break;
- #endif
- #ifdef AX25
- case AX25_MODE: /* Set up a SLIP link to use AX.25 */
- axarp();
- if(mycall.call[0] == '\0'){
- printf("set mycall first\n");
- free(if_asy->name);
- free((char *)if_asy);
- nasy--;
- return -1;
- }
- if_asy->ioctl = kiss_ioctl;
- if_asy->send = ax_send;
- if_asy->output = ax_output;
- if_asy->raw = kiss_raw;
- if(if_asy->hwaddr == NULLCHAR)
- if_asy->hwaddr = malloc(sizeof(mycall));
- memcpy(if_asy->hwaddr,(char *)&mycall,sizeof(mycall));
- slip[dev].recv = kiss_recv;
- break;
- #endif
- #ifdef NRS
- case NRS_MODE: /* Set up a net/rom serial interface */
- if(argc < 9){
- /* no call supplied? */
- if(mycall.call[0] == '\0'){
- /* try to use default */
- printf("set mycall first or specify in attach statement\n");
- return -1;
- } else
- addr = mycall;
- } else {
- /* callsign supplied on attach line */
- if(setcall(&addr,argv[8]) == -1){
- printf ("bad callsign on attach line\n");
- free(if_asy->name);
- free((char *)if_asy);
- nasy--;
- return -1;
- }
- }
- if_asy->recv = nrs_recv;
- if_asy->ioctl = asy_ioctl;
- if_asy->send = ax_send;
- if_asy->output = ax_output;
- if_asy->raw = nrs_raw;
- if(if_asy->hwaddr == NULLCHAR)
- if_asy->hwaddr = malloc(sizeof(addr));
- memcpy(if_asy->hwaddr,(char *)&addr,sizeof(addr));
- nrs[dev].iface = if_asy;
- break;
- #endif
- #ifdef SLFP
- case SLFP_MODE:
- if_asy->ioctl = asy_ioctl;
- if_asy->send = slfp_send;
- if_asy->recv = doslfp;
- if_asy->output = NULLFP; /* ARP isn't used */
- if_asy->raw = slfp_raw;
- if_asy->flags = 0;
- slfp[dev].recv = slfp_recv;
- break;
- #endif
- }
- if_asy->next = ifaces;
- ifaces = if_asy;
- asy_init(dev,argv[1],argv[2],(unsigned)atoi(argv[5]));
- asy_speed(dev,atoi(argv[7]));
- /*
- * optional SLIP modem command?
- */
- #if defined(SLIP) && defined(MODEM_CALL)
- if((mode == SLIP_MODE) && (argc > 8)) {
- restricted_dev=dev;
- if((modem_init(dev,argc-8,argv+8)) == -1) {
- printf("\nModem command sequence failed.\n");
- asy_stop(if_asy);
- ifaces = if_asy->next;
- free(if_asy->name);
- free((char *)if_asy);
- nasy--;
- restricted_dev=1000;
- return -1;
- }
- restricted_dev=1000;
- return 0;
- }
- #endif
- #ifdef SLFP
- if(mode == SLFP_MODE)
- if(slfp_init(if_asy, argc>7?argv[8]:NULLCHAR) == -1) {
- printf("Request for IP address failed.\n");
- asy_stop(if_asy);
- ifaces = if_asy->next;
- free(if_asy->name);
- free((char *)if_asy);
- nasy--;
- return -1;
- }
- #endif
- return 0;
- }
- #endif
- #ifndef NETROM
- #ifdef AX25
- struct ax25_addr nr_nodebc;
- #endif
- nr_route(bp)
- struct mbuf *bp;
- {
- free_p(bp);
- }
- nr_nodercv(bp)
- {
- free_p(bp);
- }
- #endif
-
-
- /* Display or set IP interface control flags */
- domode(argc,argv)
- int argc;
- char *argv[];
- {
- register struct interface *ifp;
-
- for(ifp=ifaces;ifp != NULLIF;ifp = ifp->next){
- if(strcmp(argv[1],ifp->name) == 0)
- break;
- }
- if(ifp == NULLIF){
- printf("Interface \"%s\" unknown\n",argv[1]);
- return 1;
- }
- if(argc < 3){
- printf("%s: %s\n",ifp->name,
- (ifp->flags & CONNECT_MODE) ? "VC mode" : "Datagram mode");
- return 0;
- }
- switch(argv[2][0]){
- case 'v':
- case 'c':
- case 'V':
- case 'C':
- ifp->flags = CONNECT_MODE;
- break;
- case 'd':
- case 'D':
- ifp->flags = DATAGRAM_MODE;
- break;
- default:
- printf("Usage: %s [vc | datagram]\n",argv[0]);
- return 1;
- }
- return 0;
- }
-
- #ifdef SERVERS
- dostart(argc,argv)
- int argc;
- char *argv[];
- {
- return subcmd(startcmds,argc,argv);
- }
- dostop(argc,argv)
- int argc;
- char *argv[];
- {
- return subcmd(stopcmds,argc,argv);
- }
- #endif SERVERS
-
- #ifdef TRACE
- static
- int
- dotrace(argc,argv)
- int argc;
- char *argv[];
- {
- extern int notraceall; /* trace only in command mode? */
- struct interface *ifp;
-
- if(argc < 2){
- printf("trace mode is %s\n", (notraceall ? "cmdmode" : "allmode"));
- printf("trace to %s\n",trfp == stdout? "console" : trname);
- showtrace(&loopback);
- for(ifp = ifaces; ifp != NULLIF; ifp = ifp->next)
- showtrace(ifp);
- return 0;
- }
- if(strcmp("to",argv[1]) == 0){
- if(argc >= 3){
- if(trfp != stdout)
- fclose(trfp);
- if(strncmp(argv[2],"con",3) == 0)
- trfp = stdout;
- else {
- if((trfp = fopen(argv[2],"a")) == NULLFILE){
- printf("%s: cannot open\n",argv[2]);
- trfp = stdout;
- return 1;
- }
- }
- strcpy(trname,argv[2]);
- } else {
- printf("trace to %s\n",trfp == stdout? "console" : trname);
- }
- return 0;
- }
- if(strcmp("loopback",argv[1]) == 0)
- ifp = &loopback;
- else if (strcmp("cmdmode", argv[1]) == 0) {
- notraceall = 1;
- return 0;
- } else if (strcmp("allmode", argv[1]) == 0) {
- notraceall = 0;
- return 0;
- } else
- for(ifp = ifaces; ifp != NULLIF; ifp = ifp->next)
- if(strcmp(ifp->name,argv[1]) == 0)
- break;
-
- if(ifp == NULLIF){
- printf("Interface %s unknown\n",argv[1]);
- return 1;
- }
- if(argc >= 3)
- ifp->trace = htoi(argv[2]);
-
- showtrace(ifp);
- return 0;
- }
- /* Display the trace flags for a particular interface */
- static
- showtrace(ifp)
- register struct interface *ifp;
- {
- if(ifp == NULLIF)
- return;
- printf("%s:",ifp->name);
- if(ifp->trace & (IF_TRACE_IN | IF_TRACE_OUT)){
- if(ifp->trace & IF_TRACE_IN)
- printf(" input");
- if(ifp->trace & IF_TRACE_OUT)
- printf(" output");
-
- if(ifp->trace & IF_TRACE_HEX)
- printf(" (Hex/ASCII dump)");
- else if(ifp->trace & IF_TRACE_ASCII)
- printf(" (ASCII dump)");
- else
- printf(" (headers only)");
- printf("\n");
- } else
- printf(" tracing off\n");
- fflush(stdout);
- }
- #endif
-
- #if ((!defined(MSDOS) && !defined(ATARI_ST)) || defined(PC9801))
- static
- int
- doescape(argc,argv)
- int argc;
- char *argv[];
- {
- if(argc < 2)
- printf("0x%x\n",escape);
- else
- escape = *argv[1];
- return 0;
- }
- #endif /* MSDOS */
- static
- doremote(argc,argv)
- int argc;
- char *argv[];
- {
- struct socket fsock,lsock;
- struct mbuf *bp;
-
- lsock.address = ip_addr;
- fsock.address = resolve(argv[1]);
- lsock.port = fsock.port = atoi(argv[2]);
- bp = alloc_mbuf(1);
- if(strcmp(argv[3],"reset") == 0){
- *bp->data = SYS_RESET;
- } else if(strcmp(argv[3],"exit") == 0){
- *bp->data = SYS_EXIT;
- } else {
- printf("Unknown command %s\n",argv[3]);
- return 1;
- }
- bp->cnt = 1;
- send_udp(&lsock,&fsock,0,0,bp,0,0,0);
- return 0;
- }
-