116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/*
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* Copyright (c) 2005, Dan Ponte
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*
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* notify.c - notification of clients (CID)
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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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/* $Amigan: phoned/phoned/notify.c,v 1.3 2005/06/12 22:25:55 dcp1990 Exp $ */
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#include <fcntl.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <signal.h>
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#include <termios.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <libutil.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#include <arpa/inet.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <errno.h>
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#include <pthread.h>
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#define HAVE_INET_INCS
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#include <phoned.h>
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addrsll_t head;
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addrsll_t *top = &head;
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pthread_mutex_t addrmx = PTHREAD_MUTEX_INITIALIZER;
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addrsll_t* getlast(addrsll_t* hd)
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{
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addrsll_t *cur;
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for(cur = hd; cur->next != 0x0; cur = cur->next) ;
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return cur;
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}
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void freeaddrl(addrsll_t* hd)
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{
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addrsll_t *cur, *nx;
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nx = cur = hd;
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for(cur = hd; nx != 0x0; cur = nx) {
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nx = cur->next;
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if(cur != &head) free(cur);
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}
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}
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addrsll_t* allocaddr(void)
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{
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addrsll_t* nw;
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nw = malloc(sizeof(addrsll_t));
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memset(nw, 0x0, sizeof(addrsll_t));
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return nw;
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}
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void flush_lists(void)
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{
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pthread_mutex_lock(&addrmx);
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freeaddrl(top);
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pthread_mutex_unlock(&addrmx);
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}
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int cid_notify(cid_t* c)
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{
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short len = 0;
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char* msg;
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int s;
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struct sockaddr_in sin;
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int on = 0x1;
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addrsll_t *cur;
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len = strlen(c->number) + strlen(c->name) + 8 + 5 + 4;
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msg = malloc(len * sizeof(char));
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snprintf(msg, len, "%02d%02d:%02d%02d:0:%s:%s", c->month, c->day, c->hour, c->minute,
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c->name, c->number);
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s = socket(PF_INET, SOCK_DGRAM, 0);
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bzero(&sin, sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = htons(3890);
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if(setsockopt(s, SOL_SOCKET, SO_BROADCAST, (char*)&on, sizeof(on)) < 0) {
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lprintf(error, "setsockopt: %s\n", strerror(errno));
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return -1;
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}
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pthread_mutex_lock(&addrmx);
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for(cur = top; cur->next != 0x0; cur = cur->next) {
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sin.sin_addr.s_addr = cur->addr;
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if(connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
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lprintf(error, "connect: %s\n", strerror(errno));
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return -1;
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}
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write(s, msg, strlen(msg) + 1);
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}
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pthread_mutex_unlock(&addrmx);
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close(s);
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return 1;
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}
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