1 /* See LICENSE file for license details. */
2 #include <sys/select.h>
17 static char *host = DEFAULT_HOST;
18 static char *port = DEFAULT_PORT;
19 static char *password;
21 static char bufin[4096];
22 static char bufout[4096];
23 static char channel[256];
24 static time_t trespond;
32 pout(char *channel, char *fmt, ...) {
33 static char timestr[80];
38 vsnprintf(bufout, sizeof bufout, fmt, ap);
41 strftime(timestr, sizeof timestr, TIMESTAMP_FORMAT, localtime(&t));
42 fprintf(stdout, "%-12s: %s %s\n", channel, timestr, bufout);
46 sout(char *fmt, ...) {
50 vsnprintf(bufout, sizeof bufout, fmt, ap);
52 fprintf(srv, "%s\r\n", bufout);
56 privmsg(char *channel, char *msg) {
57 if(channel[0] == '\0') {
58 pout("", "No channel to send to");
61 pout(channel, "<%s> %s", nick, msg);
62 sout("PRIVMSG %s :%s", channel, msg);
72 if(s[0] != COMMAND_PREFIX_CHARACTER) {
77 if(c != '\0' && isspace((unsigned char)s[1])) {
82 if(channel[0] == '\0')
83 strlcpy(channel, p, sizeof channel);
86 s = eat(p, isspace, 1);
87 p = eat(s, isspace, 0);
93 p = DEFAULT_PARTING_MESSAGE;
94 sout("PART %s :%s", s, p);
97 s = eat(p, isspace, 1);
98 p = eat(s, isspace, 0);
104 strlcpy(channel, p, sizeof channel);
112 parsesrv(char *cmd) {
113 char *usr, *par, *txt;
120 cmd = skip(usr, ' ');
126 par = skip(cmd, ' ');
127 txt = skip(par, ':');
129 if(!strcmp("PONG", cmd))
131 if(!strcmp("PRIVMSG", cmd))
132 pout(par, "<%s> %s", usr, txt);
133 else if(!strcmp("PING", cmd))
134 sout("PONG %s", txt);
136 pout(usr, ">< %s (%s): %s", cmd, par, txt);
137 if(!strcmp("NICK", cmd) && !strcmp(usr, nick))
138 strlcpy(nick, txt, sizeof nick);
145 eprint("usage: sic [-h host] [-p port] [-n nick] [-k keyword] [-v]\n", argv0);
149 main(int argc, char *argv[]) {
151 const char *user = getenv("USER");
155 strlcpy(nick, user ? user : "unknown", sizeof nick);
158 host = EARGF(usage());
161 port = EARGF(usage());
164 strlcpy(nick, EARGF(usage()), sizeof nick);
167 password = EARGF(usage());
170 eprint("sic-"VERSION", © 2005-2014 Kris Maglione, Anselm R. Garbe, Nico Golde\n");
177 srv = fdopen(dial(host, port), "r+");
182 sout("PASS %s", password);
183 sout("NICK %s", nick);
184 sout("USER %s localhost %s :%s", nick, host, nick);
186 setbuf(stdout, NULL);
190 if (pledge("stdio", NULL) == -1)
191 eprint("error: pledge:");
193 for(;;) { /* main loop */
196 FD_SET(fileno(srv), &rd);
199 n = select(fileno(srv) + 1, &rd, 0, 0, &tv);
203 eprint("sic: error on select():");
206 if(time(NULL) - trespond >= 300)
207 eprint("sic shutting down: parse timeout\n");
208 sout("PING %s", host);
211 if(FD_ISSET(fileno(srv), &rd)) {
212 if(fgets(bufin, sizeof bufin, srv) == NULL)
213 eprint("sic: remote host closed connection\n");
215 trespond = time(NULL);
217 if(FD_ISSET(0, &rd)) {
218 if(fgets(bufin, sizeof bufin, stdin) == NULL)
219 eprint("sic: broken pipe\n");