+++ /dev/null
-/*
- * tcp_sockets.c
- *
- * TCP socket module for WebCit
- *
- * $Id$
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdarg.h>
-#include "webcit.h"
-
-char server_is_local = 0;
-
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
-extern int errno;
-
-int serv_sock;
-
-
-void timeout(int signum) {
- printf("\rConnection timed out.\n");
- exit(3);
- }
-
-int connectsock(char *host, char *service, char *protocol)
-{
- struct hostent *phe;
- struct servent *pse;
- struct protoent *ppe;
- struct sockaddr_in sin;
- int s,type;
-
- bzero((char *)&sin,sizeof(sin));
- sin.sin_family = AF_INET;
-
- pse=getservbyname(service,protocol);
- if (pse) {
- sin.sin_port = pse->s_port;
- }
- else if ((sin.sin_port = htons((u_short)atoi(service))) == 0) {
- fprintf(stderr,"can't get %s service entry\n", service);
- return(-1);
- }
-
- phe=gethostbyname(host);
- if (phe) {
- bcopy(phe->h_addr,(char *)&sin.sin_addr,phe->h_length);
- }
- else if ((sin.sin_addr.s_addr = inet_addr(host))==INADDR_NONE) {
- fprintf(stderr,"can't get %s host entry: %s\n",
- host,strerror(errno));
- return(-1);
- }
-
- if ((ppe=getprotobyname(protocol))==0) {
- fprintf(stderr,"can't get %s protocol entry: %s\n",
- protocol,strerror(errno));
- return(-1);
- }
-
- if (!strcmp(protocol,"udp"))
- type = SOCK_DGRAM;
- else
- type = SOCK_STREAM;
-
- s = socket(PF_INET,type,ppe->p_proto);
- if (s<0) {
- fprintf(stderr,"can't create socket: %s\n",strerror(errno));
- return(-1);
- }
-
-
- signal(SIGALRM,timeout);
- alarm(30);
-
- if (connect(s,(struct sockaddr *)&sin,sizeof(sin))<0) {
- fprintf(stderr,"can't connect to %s.%s: %s\n",
- host,service,strerror(errno));
- return(-1);
- }
-
- alarm(0);
- signal(SIGALRM,SIG_IGN);
-
- return(s);
- }
-
-
-
-
-/*
- * Input binary data from socket
- */
-void serv_read(char *buf, int bytes)
-{
- int len,rlen;
-
- len = 0;
- while(len<bytes) {
- rlen = read(serv_sock,&buf[len],bytes-len);
- if (rlen<1) {
- fprintf(stderr, "Server connection broken: %s\n",
- strerror(errno));
- connected = 0;
- logged_in = 0;
- return;
- }
- len = len + rlen;
- }
- }
-
-
-/*
- * input string from pipe
- */
-void serv_gets(char *strbuf)
-{
- int ch,len;
- char buf[2];
-
- len = 0;
- strcpy(strbuf,"");
- do {
- serv_read(&buf[0], 1);
- ch = buf[0];
- strbuf[len++] = ch;
- } while((ch!=10)&&(ch!=13)&&(ch!=0)&&(len<255));
- strbuf[len-1] = 0;
- /* fprintf(stderr, ">%s\n", strbuf); */
- }
-
-
-
-/*
- * send binary to server
- */
-void serv_write(char *buf, int nbytes)
-{
- int bytes_written = 0;
- int retval;
- while (bytes_written < nbytes) {
- retval = write(serv_sock, &buf[bytes_written],
- nbytes - bytes_written);
- if (retval < 1) {
- fprintf(stderr, "Server connection broken: %s\n",
- strerror(errno));
- connected = 0;
- logged_in = 0;
- return;
- }
- bytes_written = bytes_written + retval;
- }
- }
-
-
-/*
- * send line to server
- */
-void serv_puts(char *string)
-{
- char buf[256];
-
- sprintf(buf,"%s\n",string);
- serv_write(buf, strlen(buf));
- }
-
-
-/*
- * convenience function to send stuff to the server
- */
-void serv_printf(const char *format, ...) {
- va_list arg_ptr;
- char buf[256];
-
- va_start(arg_ptr, format);
- vsprintf(buf, format, arg_ptr);
- va_end(arg_ptr);
-
- strcat(buf, "\n");
- serv_write(buf, strlen(buf));
- /* fprintf(stderr, "<%s", buf); */
- }
-
-