+++ /dev/null
-/*
- * tcp_sockets.c
- *
- * TCP socket module for WebCit
- *
- * $Id$
- */
-
-/*
- * Uncomment this to log all communications with the Citadel server
- */
-#define SERV_TRACE 1
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/un.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
-#include "webcit.h"
-#include "webserver.h"
-
-
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
-RETSIGTYPE timeout(int signum)
-{
- lprintf(1, "Connection timed out.\n");
- exit(3);
-}
-
-
-
-/*
- * Connect a unix domain socket
- */
-int uds_connectsock(char *sockpath)
-{
- struct sockaddr_un addr;
- int s;
-
- memset(&addr, 0, sizeof(addr));
- addr.sun_family = AF_UNIX;
- strncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
-
- s = socket(AF_UNIX, SOCK_STREAM, 0);
- if (s < 0) {
- lprintf(1, "Can't create socket: %s\n",
- strerror(errno));
- return(-1);
- }
-
- if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- lprintf(1, "Can't connect: %s\n",
- strerror(errno));
- close(s);
- return(-1);
- }
-
- return s;
-}
-
-
-/*
- * Connect a TCP/IP socket
- */
-int tcp_connectsock(char *host, char *service)
-{
- struct hostent *phe;
- struct servent *pse;
- struct protoent *ppe;
- struct sockaddr_in sin;
- int s;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
-
- pse = getservbyname(service, "tcp");
- if (pse) {
- sin.sin_port = pse->s_port;
- } else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
- lprintf(1, "Can't get %s service entry\n", service);
- return (-1);
- }
- phe = gethostbyname(host);
- if (phe) {
- memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
- } else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
- lprintf(1, "Can't get %s host entry: %s\n",
- host, strerror(errno));
- return (-1);
- }
- if ((ppe = getprotobyname("tcp")) == 0) {
- lprintf(1, "Can't get TCP protocol entry: %s\n",
- strerror(errno));
- return (-1);
- }
-
- s = socket(PF_INET, SOCK_STREAM, ppe->p_proto);
- if (s < 0) {
- lprintf(1, "Can't create socket: %s\n", strerror(errno));
- return (-1);
- }
- signal(SIGALRM, timeout);
- alarm(30);
-
- if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- lprintf(1, "Can't connect to %s.%s: %s\n",
- host, service, strerror(errno));
- close(s);
- 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(WC->serv_sock, &buf[len], bytes - len);
- if (rlen < 1) {
- lprintf(1, "Server connection broken: %s\n",
- strerror(errno));
- close(WC->serv_sock);
- WC->serv_sock = (-1);
- WC->connected = 0;
- WC->logged_in = 0;
- memset(buf, 0, bytes);
- 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 != 0) && (len < (SIZ-1)));
- if (strbuf[len-1] == 10) strbuf[--len] = 0;
- if (strbuf[len-1] == 13) strbuf[--len] = 0;
-#ifdef SERV_TRACE
- lprintf(9, ">%s\n", strbuf);
-#endif
-}
-
-
-
-/*
- * send binary to server
- */
-void serv_write(char *buf, int nbytes)
-{
- int bytes_written = 0;
- int retval;
- while (bytes_written < nbytes) {
- retval = write(WC->serv_sock, &buf[bytes_written],
- nbytes - bytes_written);
- if (retval < 1) {
- lprintf(1, "Server connection broken: %s\n",
- strerror(errno));
- close(WC->serv_sock);
- WC->serv_sock = (-1);
- WC->connected = 0;
- WC->logged_in = 0;
- return;
- }
- bytes_written = bytes_written + retval;
- }
-}
-
-
-/*
- * send line to server
- */
-void serv_puts(char *string)
-{
- char buf[SIZ];
-
-#ifdef SERV_TRACE
- lprintf(9, "<%s\n", string);
-#endif
- 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[SIZ];
-
- va_start(arg_ptr, format);
- vsnprintf(buf, sizeof buf, format, arg_ptr);
- va_end(arg_ptr);
-
- strcat(buf, "\n");
- serv_write(buf, strlen(buf));
-#ifdef SERV_TRACE
- lprintf(9, "<%s", buf);
-#endif
-}