diff options
Diffstat (limited to 'sic.c')
| -rw-r--r-- | sic.c | 216 |
1 files changed, 0 insertions, 216 deletions
@@ -1,216 +0,0 @@ - /* See LICENSE file for license details. */ -#include <ctype.h> -#include <errno.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> - -#include "arg.h" -#include "config.h" - -char *argv0; -static char *host = DEFAULT_HOST; -static char *port = DEFAULT_PORT; -static char *password; -static char nick[32]; -static char bufin[4096]; -static char bufout[4096]; -static char channel[256]; -static time_t trespond; -static FILE *srv; - -#include "util.c" - -static void -pout(char *channel, char *fmt, ...) { - static char timestr[80]; - time_t t; - va_list ap; - - va_start(ap, fmt); - vsnprintf(bufout, sizeof bufout, fmt, ap); - va_end(ap); - t = time(NULL); - strftime(timestr, sizeof timestr, TIMESTAMP_FORMAT, localtime(&t)); - fprintf(stdout, "%-12s: %s %s\n", channel, timestr, bufout); -} - -static void -sout(char *fmt, ...) { - va_list ap; - - va_start(ap, fmt); - vsnprintf(bufout, sizeof bufout, fmt, ap); - va_end(ap); - fprintf(srv, "%s\r\n", bufout); -} - -static void -privmsg(char *channel, char *msg) { - if(channel[0] == '\0') { - pout("", "No channel to send to"); - return; - } - pout(channel, "<%s> %s", nick, msg); - sout("PRIVMSG %s :%s", channel, msg); -} - -static void -parsein(char *s) { - char c, *p; - - if(s[0] == '\0') - return; - skip(s, '\n'); - if(s[0] != COMMAND_PREFIX_CHARACTER) { - privmsg(channel, s); - return; - } - c = *++s; - if(c != '\0' && isspace(s[1])) { - p = s + 2; - switch(c) { - case 'j': - sout("JOIN %s", p); - if(channel[0] == '\0') - strlcpy(channel, p, sizeof channel); - return; - case 'l': - s = eat(p, isspace, 1); - p = eat(s, isspace, 0); - if(!*s) - s = channel; - if(*p) - *p++ = '\0'; - if(!*p) - p = DEFAULT_PARTING_MESSAGE; - sout("PART %s :%s", s, p); - return; - case 'm': - s = eat(p, isspace, 1); - p = eat(s, isspace, 0); - if(*p) - *p++ = '\0'; - privmsg(s, p); - return; - case 's': - strlcpy(channel, p, sizeof channel); - return; - } - } - sout("%s", s); -} - -static void -parsesrv(char *cmd) { - char *usr, *par, *txt; - - usr = host; - if(!cmd || !*cmd) - return; - if(cmd[0] == ':') { - usr = cmd + 1; - cmd = skip(usr, ' '); - if(cmd[0] == '\0') - return; - skip(usr, '!'); - } - skip(cmd, '\r'); - par = skip(cmd, ' '); - txt = skip(par, ':'); - trim(par); - if(!strcmp("PONG", cmd)) - return; - if(!strcmp("PRIVMSG", cmd)) - pout(par, "<%s> %s", usr, txt); - else if(!strcmp("PING", cmd)) - sout("PONG %s", txt); - else { - pout(usr, ">< %s (%s): %s", cmd, par, txt); - if(!strcmp("NICK", cmd) && !strcmp(usr, nick)) - strlcpy(nick, txt, sizeof nick); - } -} - - -static void -usage(void) { - eprint("usage: sic [-h host] [-p port] [-n nick] [-k keyword] [-v]\n", argv0); -} - -int -main(int argc, char *argv[]) { - struct timeval tv; - const char *user = getenv("USER"); - int n; - fd_set rd; - - strlcpy(nick, user ? user : "unknown", sizeof nick); - ARGBEGIN { - case 'h': - host = EARGF(usage()); - break; - case 'p': - port = EARGF(usage()); - break; - case 'n': - strlcpy(nick, EARGF(usage()), sizeof nick); - break; - case 'k': - password = EARGF(usage()); - break; - case 'v': - eprint("sic-"VERSION", © 2005-2014 Kris Maglione, Anselm R. Garbe, Nico Golde\n"); - break; - default: - usage(); - } ARGEND; - - /* init */ - srv = fdopen(dial(host, port), "r+"); - if (!srv) - eprint("fdopen:"); - /* login */ - if(password) - sout("PASS %s", password); - sout("NICK %s", nick); - sout("USER %s localhost %s :%s", nick, host, nick); - fflush(srv); - setbuf(stdout, NULL); - setbuf(srv, NULL); - setbuf(stdin, NULL); - for(;;) { /* main loop */ - FD_ZERO(&rd); - FD_SET(0, &rd); - FD_SET(fileno(srv), &rd); - tv.tv_sec = 120; - tv.tv_usec = 0; - n = select(fileno(srv) + 1, &rd, 0, 0, &tv); - if(n < 0) { - if(errno == EINTR) - continue; - eprint("sic: error on select():"); - } - else if(n == 0) { - if(time(NULL) - trespond >= 300) - eprint("sic shutting down: parse timeout\n"); - sout("PING %s", host); - continue; - } - if(FD_ISSET(fileno(srv), &rd)) { - if(fgets(bufin, sizeof bufin, srv) == NULL) - eprint("sic: remote host closed connection\n"); - parsesrv(bufin); - trespond = time(NULL); - } - if(FD_ISSET(0, &rd)) { - if(fgets(bufin, sizeof bufin, stdin) == NULL) - eprint("sic: broken pipe\n"); - parsein(bufin); - } - } - return 0; -} |