94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <netdb.h>
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int conn;
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char sbuf[512];
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void raw(char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(sbuf, 512, fmt, ap);
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va_end(ap);
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printf("<< %s", sbuf);
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write(conn, sbuf, strlen(sbuf));
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}
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int main() {
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char *nick = "test";
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char *channel = NULL;
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char *host = "irc.dav7.net";
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char *port = "6667";
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char *user, *command, *where, *message, *sep, *target;
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int i, j, l, sl, o = -1, start, wordcount;
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char buf[513];
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struct addrinfo hints, *res;
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memset(&hints, 0, sizeof hints);
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hints.ai_family = AF_INET;
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hints.ai_socktype = SOCK_STREAM;
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getaddrinfo(host, port, &hints, &res);
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conn = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
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connect(conn, res->ai_addr, res->ai_addrlen);
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raw("USER %s 0 0 :%s\r\n", nick, nick);
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raw("NICK %s\r\n", nick);
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while ((sl = read(conn, sbuf, 512))) {
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for (i = 0; i < sl; i++) {
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o++;
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buf[o] = sbuf[i];
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if ((i > 0 && sbuf[i] == '\n' && sbuf[i - 1] == '\r') || o == 512) {
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buf[o + 1] = '\0';
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l = o;
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o = -1;
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printf(">> %s", buf);
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if (!strncmp(buf, "PING", 4)) {
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buf[1] = 'O';
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raw(buf);
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} else if (buf[0] == ':') {
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wordcount = 0;
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user = command = where = message = NULL;
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for (j = 1; j < l; j++) {
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if (buf[j] == ' ') {
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buf[j] = '\0';
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wordcount++;
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switch(wordcount) {
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case 1: user = buf + 1; break;
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case 2: command = buf + start; break;
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case 3: where = buf + start; break;
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}
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if (j == l - 1) continue;
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start = j + 1;
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} else if (buf[j] == ':' && wordcount == 3) {
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if (j < l - 1) message = buf + j + 1;
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break;
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}
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}
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if (wordcount < 2) continue;
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if (!strncmp(command, "001", 3) && channel != NULL) {
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raw("JOIN %s\r\n", channel);
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} else if (!strncmp(command, "PRIVMSG", 7) || !strncmp(command, "NOTICE", 6)) {
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if (where == NULL || message == NULL) continue;
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if ((sep = strchr(user, '!')) != NULL) user[sep - user] = '\0';
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if (where[0] == '#' || where[0] == '&' || where[0] == '+' || where[0] == '!') target = where; else target = user;
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printf("[from: %s] [reply-with: %s] [where: %s] [reply-to: %s] %s", user, command, where, target, message);
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//raw("%s %s :%s", command, target, message); // If you enable this the IRCd will get its "*** Looking up your hostname..." messages thrown back at it but it works...
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}
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}
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}
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}
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}
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return 0;
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} |