diff options
Diffstat (limited to 'unix.c')
| -rw-r--r-- | unix.c | 51 |
1 files changed, 50 insertions, 1 deletions
@@ -1,6 +1,7 @@ #include "unix.h" #include "conf.h" +#include "irc.h" static int sock_perms(char fname[]) @@ -60,5 +61,53 @@ unix_setup(char filename[]) return sock; } - +// reads a message from the fd in question, and sends it to irc +int +unix_handle(int fd, char chname[]) +{ + // PRIVMSG #{chname} :{message}<CR><LF> + // 123456789 12 3 4 + // 512 >= 13 + strlen(chname) + length of message + // chname can be max 16 bytes, so worst case + // 512 >= 13 + 16 + length of message + // 483 >= length of message + // 480 is slightly pessimistic but it's a rounder number. + // (one more byte for null terminator needed by snprintf) + unsigned char buf[481]; + + if (strlen(chname) > 16) { + fprintf(stderr,"channel name %s is longer than 16 bytes, ignoring\n",chname); + return -1; + } + + ssize_t amt; + if ((amt = recv(fd, buf, sizeof buf-1,0)) == -1) { + perror("recv"); + return -1; + } else if (amt == 0) { + fputs("unix eof\n",stderr); + return -1; + } else { + int i; + for (i=0;i<amt;i++) { + if (buf[i] < ' ') { + buf[i] = ' '; + } + } + buf[amt] = '\0'; + char msg[512]; + int s; + if ((s=snprintf(msg,512,"PRIVMSG #%s :%s\r\n",chname,buf)) > 512) { + fprintf(stderr,"irc message was somehow too long (this should never happen) (%d)/512\n",s); + return -1; + } + if (irc_sendall(msg, s) == -1) { + perror("sendall"); + return -1; + }; + + return 0; + } +} + |