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HAM Radio 1
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HamRadio.cdr
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src0131
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finger.c
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C/C++ Source or Header
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1991-01-26
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2KB
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76 lines
/* Internet finger client
* Copyright 1991 Phil Karn, KA9Q
*/
#include <stdio.h>
#include <string.h>
#include "global.h"
#include "mbuf.h"
#include "socket.h"
#include "session.h"
#include "proc.h"
#include "netuser.h"
#include "commands.h"
#include "tty.h"
int
dofinger(argc,argv,p)
int argc;
char *argv[];
void *p;
{
struct sockaddr_in sock;
char *cp;
int s,i;
struct mbuf *bp;
struct session *sp;
/* Allocate a session descriptor */
if((sp = newsession(argv[1],FINGER)) == NULLSESSION){
tprintf("Too many sessions\n");
keywait(NULLCHAR,1);
return 1;
}
sp->ttystate.echo = sp->ttystate.edit = 0;
sp->flowmode = 1;
sock.sin_family = AF_INET;
sock.sin_port = IPPORT_FINGER;
for(i=1;i<argc;i++){
cp = strchr(argv[i],'@');
if(cp == NULLCHAR){
tprintf("%s: local names not supported\n",argv[i]);
continue;
}
*cp++ = '\0';
tprintf("%s@%s -- ",argv[i],cp);
tprintf("Resolving %s... ",cp);
if((sock.sin_addr.s_addr = resolve(cp)) == 0){
tprintf("Host %s unknown\n",cp);
continue;
}
tprintf("trying %s",psocket((struct sockaddr *)&sock));
if((sp->s = s = socket(AF_INET,SOCK_STREAM,0)) == -1){
tprintf("Can't create socket\n");
break;
}
sockmode(s,SOCK_ASCII);
if(connect(s,(char *)&sock,sizeof(sock)) == -1){
cp = sockerr(s);
tprintf(" -- Connect failed: %s\n",cp != NULLCHAR ? cp : "");
close_s(s);
sp->s = -1;
continue;
}
tprintf("\n");
usprintf(s,"%s\n",argv[i]);
usflush(Curproc->output);
while(recv_mbuf(s,&bp,0,NULLCHAR,(int *)0) > 0){
send_mbuf(Curproc->output,bp,0,NULLCHAR,0);
}
close_s(s);
sp->s = -1;
}
keywait(NULLCHAR,1);
freesession(sp);
return 0;
}