125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/*
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* Copyright (c) 2005, Dan Ponte
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*
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* socket.c - sockets.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* system includes */
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <sys/select.h>
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/* network stuff */
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <pthread.h>
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#include <phoned.h>
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extern pthread_mutex_t modemmx;
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extern pthread_mutex_t buffermx;
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pthread_t networkth;
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void *handclient(k)
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void* k;
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{
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int sk = (int)k;
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FILE* tf;
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tf = fdopen(sk, "r+");
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begin_dialogue(tf, sk);
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fclose(tf);
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pthread_exit(NULL);
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return 0;
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}
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void *network(b)
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void* b;
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{
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int s, /* us,*/ sn;
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fd_set fds;
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int sin_size, ilen;
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pthread_t thr;
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char cbuf[1];
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void* is;
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cbuf[0] = '\0'; cbuf[1] = '\0';
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struct sockaddr_un it;
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is = b;
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if((s = socket(AF_LOCAL, SOCK_STREAM, 0)) == -1) {
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perror("socket");
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exit(-1);
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}
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strcpy(it.sun_path, SOCKETFILE);
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it.sun_family = AF_LOCAL;
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if(bind(s, (struct sockaddr *)&it, 1 + strlen(it.sun_path) +
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sizeof(it.sun_family)) == -1) {
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perror("bind");
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exit(-1);
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}
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if(listen(s, 5) == -1) {
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perror("listen");
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exit(-1);
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}
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sin_size = sizeof(struct sockaddr_in);
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for(;;) {
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FD_ZERO(&fds);
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FD_SET(s, &fds);
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switch(select(s + 1, &fds, NULL, NULL, NULL)) {
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case -1:
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perror("select");
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exit(-1);
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break;
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case 0:
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/* NOTREACHED */
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break;
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default:
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{
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if(FD_ISSET(s, &fds) != 0) {
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ilen = sizeof(it);
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if((sn = accept(s, (struct sockaddr *)&it, &ilen))
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== -1) {
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lprintf(error, "accept: %s\n",
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strerror(errno));
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exit(-3);
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}
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pthread_create(&thr, NULL, handclient, (void*)sn);
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lprintf(info, "Incoming connection\n"
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,ilen);
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}
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}
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}
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}
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close(s);
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unlink(SOCKETFILE);
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}
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