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#ifdef LOCAL
#define HOST "0.0.0.0"
#define PORT "6970"
#else
#define HOST "ubq323.website"
#define PORT "6667"
#endif
#define NICK "ffbm"
#define USERNAME "ffbm"
#define REALNAME ",flappy fly bird man?"
#define CHANNEL "#a"
#define PIPE "/run/apionet.pipe"
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
int hasjoined = 0;
ssize_t sendall(int sockfd, void *buf, size_t len) {
ssize_t total_sent = 0;
ssize_t sent;
do {
if ((sent = send(sockfd, buf+total_sent, len-total_sent, 0)) == -1) {
return -1;
}
total_sent += sent;
} while (total_sent < len);
total_sent = 0;
do {
if ((sent = write(0, buf+total_sent, len-total_sent)) == -1) {
return -1;
}
total_sent += sent;
} while (total_sent < len);
return total_sent;
}
int irc_connect() {
struct addrinfo hints;
int status, sockfd;
struct addrinfo *res;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
// assuming the first one is valid because it normally is
if ((status = getaddrinfo(HOST, PORT, &hints, &res)) != 0) {
fprintf(stderr, "getaddrinfo fail: %s\n", gai_strerror(status));
return -1;
}
if ((sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
perror("socket");
return -1;
}
if (connect(sockfd, res->ai_addr, res->ai_addrlen) != 0) {
perror("connect");
return -1;
}
return sockfd;
}
int irc_handshake(int sockfd) {
char msg[] = "NICK "NICK"\r\nUSER "USERNAME" 0 * :"REALNAME"\r\nJOIN "CHANNEL"\r\n";
if (sendall(sockfd, msg, sizeof msg-1) == -1) {
return -1;
}
return 0;
}
void irc_handle(int sockfd, char *start, char *end) {
if (strncmp(start, "PING", 4) == 0) {
start[1] = 'O';
sendall(sockfd, start, end-start);
start[1] = 'I';
}
char *str = strndup(start, end-start);
printf("[%s]\n",str);
free(str);
}
void irc_recv(int sockfd) {
char recvbuf[1024];
ssize_t amt;
if ((amt = recv(sockfd, recvbuf, 1024, 0)) == -1) {
perror("recv");
exit(1);
}
char *start = &recvbuf[0];
char *cur;
char *end = start+amt ;
for (cur = start; cur < end; cur++) {
if (*cur == '\r' && *(cur+1) == '\n') {
irc_handle(sockfd, start, cur+2);
start = cur + 2;
cur = start;
}
}
}
int main(int argc, char *argv[]) {
// this only works on linux, i think.
// sorry
int pipefd = open(PIPE, O_RDWR|O_NONBLOCK);
if (pipefd == -1) {
perror("(pipe) open");
return 1;
}
printf("bees\n");
int sockfd = irc_connect();
if (sockfd == -1) {
return 1;
}
if (irc_handshake(sockfd) != 0) {
perror("irc_handshake");
return 1;
}
// setup pollfds
struct pollfd pollfds[2] = {
{
.fd = pipefd,
.events = POLLIN,
},
{
.fd = sockfd,
.events = POLLIN,
},
};
printf("POLLIN %d POLLERR %d POLLHUP %d\n",POLLIN,POLLERR,POLLHUP);
for (;;) {
int r;
if ((r = poll(pollfds, 2, -1)) == -1) {
perror("poll");
return 1;
}
printf("poll %d\n",r);
printf("sock %d pipe %d\n",pollfds[1].revents, pollfds[0].revents);
if (pollfds[1].revents & POLLHUP) {
// socket closed, probably
puts("socket hup");
break;
}
if (pollfds[1].revents & POLLERR) {
// socket error
puts("socket err");
break;
}
if (pollfds[1].revents & POLLIN) {
// socket
char buf[1];
// there is probably a better way of doing this
// but if there is, i don't know what it is
ssize_t h = recv(sockfd, buf, 1, MSG_PEEK);
if (h<0) {
perror("recv");
return -1;
} else if (h == 0) {
// eof ish
puts("socket end");
break;
} else {
irc_recv(sockfd);
}
}
if (pollfds[0].revents & POLLIN) {
puts("pipe");
ssize_t amt;
unsigned char buf[128];
if ((amt = read(pipefd, buf, 128)) == -1) {
perror("(pipe) read");
return 1;
}
for (size_t i = 0; i < amt; i++) {
if (buf[i] == '\r' || buf[i] == '\n' || buf[i] < ' ') {
buf[i] = ' ';
}
}
char msg[] = "PRIVMSG "CHANNEL" :";
if (sendall(sockfd, msg, sizeof msg-1) == -1) { perror("sendall"); exit(1); }
if (sendall(sockfd, buf, amt) == -1) { perror("sendall"); exit(1); }
if (sendall(sockfd, "\r\n", 2) == -1) { perror("sendall"); exit(1); }
}
}
return 0;
}
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