added kris' sic.c and util.c temporarily, will need some time to see what will … | |
git clone git://git.suckless.org/sic | |
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--- | |
commit 14e430ac5b398e0c47f1d80f3c4f4b6386f545c2 | |
parent 261dc71e58261c801e2be4db413e30b066ecf68f | |
Author: Anselm R Garbe <[email protected]> | |
Date: Wed, 23 Sep 2009 14:32:20 +0100 | |
added kris' sic.c and util.c temporarily, will need some time to see what will … | |
Diffstat: | |
A kris/sic.c | 223 ++++++++++++++++++++++++++++++ | |
A kris/util.c | 73 +++++++++++++++++++++++++++++… | |
2 files changed, 296 insertions(+), 0 deletions(-) | |
--- | |
diff --git a/kris/sic.c b/kris/sic.c | |
@@ -0,0 +1,223 @@ | |
+/* ? 2005-2007 Anselm R. Garbe <garbeam at gmail dot com> | |
+ * ? 2007 Kris Maglione <[email protected]> | |
+ * ? 2005 Nico Golde <nico at ngolde dot de> | |
+ * 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> | |
+ | |
+#define nil ((void*)0) | |
+typedef unsigned short ushort; | |
+ | |
+#define PINGTIMEOUT 300 | |
+ | |
+static char* host = "irc.oftc.net"; | |
+static ushort port = 6667; | |
+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; | |
+ | |
+#define va_buf(buf, fmt) {\ | |
+ va_list ap; \ | |
+ \ | |
+ va_start(ap, fmt); \ | |
+ vsnprintf(buf, sizeof buf, fmt, ap); \ | |
+ va_end(ap); \ | |
+} | |
+ | |
+#include "util.c" | |
+ | |
+static void | |
+pout(char *channel, char *fmt, ...) { | |
+ static char timestr[18]; | |
+ time_t t; | |
+ | |
+ va_buf(bufout, fmt); | |
+ | |
+ t = time(nil); | |
+ strftime(timestr, sizeof timestr, "%D %R", localtime(&t)); | |
+ fprintf(stdout, "%-12s: %s %s\n", channel, timestr, bufout); | |
+} | |
+ | |
+static void | |
+sout(char *fmt, ...) { | |
+ va_buf(bufout, fmt); | |
+ 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 *msg) { | |
+ char *p; | |
+ char c; | |
+ | |
+ if(msg[0] == '\0') | |
+ return; | |
+ msg = ctok(&msg, '\n'); | |
+ if(msg[0] != ':') { | |
+ privmsg(channel, msg); | |
+ return; | |
+ } | |
+ c = *++msg; | |
+ if(!c || !isspace(msg[1])) | |
+ sout("%s", msg); | |
+ else { | |
+ if(msg[1]) | |
+ msg += 2; | |
+ switch(c) { | |
+ case 'j': | |
+ sout("JOIN %s", msg); | |
+ if(channel[0] == '\0') | |
+ strlcpy(channel, msg, sizeof channel); | |
+ break; | |
+ case 'l': | |
+ p = tok(&msg); | |
+ if(!*p) | |
+ p = channel; | |
+ if(!*msg) | |
+ msg = "sic - 250 LOC are too much!"; | |
+ sout("PART %s :%s", p, msg); | |
+ break; | |
+ case 'm': | |
+ p = tok(&msg); | |
+ privmsg(p, msg); | |
+ break; | |
+ case 's': | |
+ strlcpy(channel, msg, sizeof channel); | |
+ break; | |
+ default: | |
+ sout("%c %s", c, msg); | |
+ break; | |
+ } | |
+ } | |
+} | |
+ | |
+static void | |
+parsesrv(char *msg) { | |
+ char *cmd, *p, *usr, *txt; | |
+ | |
+ usr = host; | |
+ if(!msg || !*msg) | |
+ return; | |
+ if(msg[0] == ':') { | |
+ msg++; | |
+ p = tok(&msg); | |
+ if(!*msg) | |
+ return; | |
+ usr = ctok(&p, '!'); | |
+ } | |
+ txt = ctok(&msg, '\r'); | |
+ msg = ctok(&txt, ':'); | |
+ cmd = tok(&msg); | |
+ if(!strcmp("PONG", cmd)) | |
+ return; | |
+ if(!strcmp("PRIVMSG", cmd)) | |
+ pout(msg, "<%s> %s", usr, txt); | |
+ else if(!strcmp("PING", cmd)) | |
+ sout("PONG %s", txt); | |
+ else { | |
+ pout(usr, ">< %s: %s", cmd, txt); | |
+ if(!strcmp("NICK", cmd) && !strcmp(usr, nick)) | |
+ strlcpy(nick, txt, sizeof nick); | |
+ } | |
+} | |
+ | |
+int | |
+main(int argc, char *argv[]) { | |
+ int i, c; | |
+ struct timeval tv; | |
+ fd_set rd; | |
+ | |
+ strlcpy(nick, getenv("USER"), sizeof nick); | |
+ for(i = 1; i < argc; i++) { | |
+ c = argv[i][1]; | |
+ if(argv[i][0] != '-' || argv[i][2]) | |
+ c = -1; | |
+ switch(c) { | |
+ case 'h': | |
+ if(++i < argc) host = argv[i]; | |
+ break; | |
+ case 'p': | |
+ if(++i < argc) port = atoi(argv[i]); | |
+ break; | |
+ case 'n': | |
+ if(++i < argc) strlcpy(nick, argv[i], sizeof nick); | |
+ break; | |
+ case 'k': | |
+ if(++i < argc) password = argv[i]; | |
+ break; | |
+ case 'v': | |
+ eprint("sic-"VERSION", ? 2005-2007 Anselm R. Garbe, Ni… | |
+ default: | |
+ eprint("usage: sic [-h host] [-p port] [-n nick] [-k k… | |
+ } | |
+ } | |
+ | |
+ /* init */ | |
+ i = dial(host, port); | |
+ srv = fdopen(i, "r+"); | |
+ | |
+ /* login */ | |
+ if(password) | |
+ sout("PASS %s", password); | |
+ sout("NICK %s", nick); | |
+ sout("USER %s localhost %s :%s", nick, host, nick); | |
+ fflush(srv); | |
+ | |
+ setbuf(stdout, nil); | |
+ setbuf(srv, nil); | |
+ | |
+ for(;;) { /* main loop */ | |
+ FD_ZERO(&rd); | |
+ FD_SET(0, &rd); | |
+ FD_SET(fileno(srv), &rd); | |
+ tv.tv_sec = 120; | |
+ tv.tv_usec = 0; | |
+ i = select(fileno(srv) + 1, &rd, 0, 0, &tv); | |
+ if(i < 0) { | |
+ if(errno == EINTR) | |
+ continue; | |
+ eprint("sic: error on select():"); | |
+ } | |
+ else if(i == 0) { | |
+ if(time(nil) - trespond >= PINGTIMEOUT) | |
+ eprint("sic shutting down: parse timeout\n"); | |
+ sout("PING %s", host); | |
+ continue; | |
+ } | |
+ if(FD_ISSET(fileno(srv), &rd)) { | |
+ if(fgets(bufin, sizeof bufin, srv) == nil) | |
+ eprint("sic: remote host closed connection\n"); | |
+ parsesrv(bufin); | |
+ trespond = time(nil); | |
+ } | |
+ if(FD_ISSET(0, &rd)) { | |
+ if(fgets(bufin, sizeof bufin, stdin) == nil) | |
+ eprint("sic: broken pipe\n"); | |
+ parsein(bufin); | |
+ } | |
+ } | |
+ return 0; | |
+} | |
+ | |
+ | |
diff --git a/kris/util.c b/kris/util.c | |
@@ -0,0 +1,73 @@ | |
+#include <netdb.h> | |
+#include <netinet/in.h> | |
+#include <sys/socket.h> | |
+ | |
+static void | |
+eprint(const char *fmt, ...) { | |
+ | |
+ va_buf(bufout, fmt); | |
+ fprintf(stderr, "%s", bufout); | |
+ | |
+ if(fmt[0] && fmt[strlen(fmt)-1] == ':') | |
+ fprintf(stderr, " %s\n", strerror(errno)); | |
+ exit(1); | |
+} | |
+ | |
+static int | |
+dial(char *host, int port) { | |
+ struct hostent *hp; | |
+ static struct sockaddr_in addr; | |
+ int i; | |
+ | |
+ if((i = socket(AF_INET, SOCK_STREAM, 0)) < 0) | |
+ eprint("sic: cannot connect host '%s':", host); | |
+ if(nil == (hp = gethostbyname(host))) | |
+ eprint("sic: cannot resolve hostname '%s': %s\n", host, hstrer… | |
+ addr.sin_family = AF_INET; | |
+ addr.sin_port = htons(port); | |
+ memcpy(&addr.sin_addr, hp->h_addr, hp->h_length); | |
+ if(connect(i, (struct sockaddr*)&addr, sizeof(struct sockaddr_in))) | |
+ eprint("sic: cannot connect host '%s':", host); | |
+ return i; | |
+} | |
+ | |
+#define strlcpy _strlcpy | |
+static void | |
+strlcpy(char *to, const char *from, int l) { | |
+ strncpy(to, from, l-1); | |
+ to[l-1] = '\0'; | |
+} | |
+ | |
+static void | |
+eat(char **s, int (*p)(int), int r) { | |
+ char *q; | |
+ | |
+ for(q=*s; *q && p(*q) == r; q++) | |
+ ; | |
+ *s = q; | |
+} | |
+ | |
+static char* | |
+tok(char **s) { | |
+ char *p; | |
+ | |
+ eat(s, isspace, 1); | |
+ p = *s; | |
+ eat(s, isspace, 0); | |
+ if(**s) *(*s)++ = '\0'; | |
+ return p; | |
+} | |
+ | |
+static char* | |
+ctok(char **s, int c) { | |
+ char *p, *q; | |
+ | |
+ q = *s; | |
+ for(p=q; *p && *p != c; p++) | |
+ ; | |
+ if(*p) *p++ = '\0'; | |
+ *s = p; | |
+ return q; | |
+} | |
+ | |
+ |