| 1 |
michael |
1171 |
/* Definitions of IRC message functions and list of messages. |
| 2 |
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* |
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* IRC Services is copyright (c) 1996-2009 Andrew Church. |
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* E-mail: <achurch@achurch.org> |
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* Parts written by Andrew Kempe and others. |
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* This program is free but copyrighted software; see the file GPL.txt for |
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* details. |
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*/ |
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#include "services.h" |
| 11 |
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#include "messages.h" |
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#include "language.h" |
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#include "modules.h" |
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#include "version.h" |
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#include "modules/operserv/operserv.h" |
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/*************************************************************************/ |
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/* Enable ignore code for PRIVMSGs? */ |
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int allow_ignore = 1; |
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| 22 |
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/* Callbacks for various messages */ |
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static int cb_privmsg = -1; |
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static int cb_whois = -1; |
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/*************************************************************************/ |
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/************************ Basic message handling *************************/ |
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/*************************************************************************/ |
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static void m_nickcoll(char *source, int ac, char **av) |
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{ |
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if (ac < 1) |
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return; |
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if (!readonly) |
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introduce_user(av[0]); |
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} |
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/*************************************************************************/ |
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static void m_ping(char *source, int ac, char **av) |
| 41 |
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{ |
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if (ac < 1) |
| 43 |
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return; |
| 44 |
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send_cmd(ServerName, "PONG %s %s", ac>1 ? av[1] : ServerName, av[0]); |
| 45 |
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} |
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| 47 |
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/*************************************************************************/ |
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static void m_info(char *source, int ac, char **av) |
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{ |
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int i; |
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struct tm *tm; |
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char timebuf[64]; |
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if (!*source) { |
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log("Source missing from INFO message"); |
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return; |
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} |
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tm = localtime(&start_time); |
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strftime(timebuf, sizeof(timebuf), "%a %b %d %H:%M:%S %Y %Z", tm); |
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for (i = 0; info_text[i]; i++) |
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send_cmd(ServerName, "371 %s :%s", source, info_text[i]); |
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send_cmd(ServerName, "371 %s :Version %s (%s)", source, |
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version_number, version_build); |
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send_cmd(ServerName, "371 %s :On-line since %s", source, timebuf); |
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send_cmd(ServerName, "374 %s :End of /INFO list.", source); |
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} |
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/*************************************************************************/ |
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static void m_join(char *source, int ac, char **av) |
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{ |
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if (!*source) { |
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log("Source missing from JOIN message"); |
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return; |
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} else if (ac < 1) { |
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return; |
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} |
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do_join(source, ac, av); |
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} |
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/*************************************************************************/ |
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static void m_kick(char *source, int ac, char **av) |
| 87 |
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{ |
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if (!*source) { |
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log("Source missing from KICK message"); |
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return; |
| 91 |
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} else if (ac != 3) { |
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return; |
| 93 |
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} |
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do_kick(source, ac, av); |
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} |
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/*************************************************************************/ |
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static void m_kill(char *source, int ac, char **av) |
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{ |
| 101 |
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if (!*source) { |
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log("Source missing from KILL message"); |
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return; |
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} else if (ac != 2) { |
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return; |
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} |
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/* Recover if someone kills us. If introduce_user() returns 0, then |
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* the user in question isn't a pseudoclient, so pass it on to the |
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* user handling code. */ |
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if (!introduce_user(av[0])) |
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do_kill(source, ac, av); |
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} |
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/*************************************************************************/ |
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static void m_mode(char *source, int ac, char **av) |
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{ |
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if (!*source) { |
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log("Source missing from MODE message"); |
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return; |
| 121 |
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} |
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| 123 |
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if (*av[0] == '#' || *av[0] == '&') { |
| 124 |
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if (ac < 2) |
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return; |
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do_cmode(source, ac, av); |
| 127 |
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} else { |
| 128 |
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if (ac != 2) { |
| 129 |
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return; |
| 130 |
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} else if (irc_stricmp(source,av[0])!=0 && strchr(source,'.')==NULL) { |
| 131 |
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log("user: MODE %s %s from different nick %s!", av[0], av[1], |
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source); |
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wallops(NULL, "%s attempted to change mode %s for %s", |
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source, av[1], av[0]); |
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return; |
| 136 |
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} |
| 137 |
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do_umode(source, ac, av); |
| 138 |
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} |
| 139 |
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} |
| 140 |
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| 141 |
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/*************************************************************************/ |
| 142 |
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| 143 |
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static void m_motd(char *source, int ac, char **av) |
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{ |
| 145 |
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FILE *f; |
| 146 |
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char buf[BUFSIZE]; |
| 147 |
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| 148 |
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if (!*source) { |
| 149 |
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log("Source missing from MOTD message"); |
| 150 |
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return; |
| 151 |
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} |
| 152 |
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| 153 |
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f = fopen(MOTDFilename, "r"); |
| 154 |
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send_cmd(ServerName, "375 %s :- %s Message of the Day", |
| 155 |
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source, ServerName); |
| 156 |
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if (f) { |
| 157 |
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while (fgets(buf, sizeof(buf), f)) { |
| 158 |
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buf[strlen(buf)-1] = 0; |
| 159 |
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send_cmd(ServerName, "372 %s :- %s", source, buf); |
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} |
| 161 |
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fclose(f); |
| 162 |
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} else { |
| 163 |
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send_cmd(ServerName, "372 %s :- MOTD file not found! Please " |
| 164 |
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"contact your IRC administrator.", source); |
| 165 |
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} |
| 166 |
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} |
| 167 |
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| 168 |
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/*************************************************************************/ |
| 169 |
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| 170 |
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static void m_part(char *source, int ac, char **av) |
| 171 |
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{ |
| 172 |
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if (!*source) { |
| 173 |
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log("Source missing from PART message"); |
| 174 |
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return; |
| 175 |
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} else if (ac < 1 || ac > 2) { |
| 176 |
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return; |
| 177 |
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} |
| 178 |
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do_part(source, ac, av); |
| 179 |
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} |
| 180 |
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| 181 |
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/*************************************************************************/ |
| 182 |
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| 183 |
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static const char msg_up_inactive[] = |
| 184 |
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"Network buffer size exceeded inactive threshold (%d%%), not processing" |
| 185 |
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" PRIVMSGs"; |
| 186 |
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static const char msg_up_ignore[] = |
| 187 |
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"Network buffer size exceeded ignore threshold (%d%%), ignoring PRIVMSGs"; |
| 188 |
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static const char msg_down_inactive[] = |
| 189 |
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"Network buffer size dropped below ignore threshold (%d%%), not" |
| 190 |
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" processing PRIVMSGs"; |
| 191 |
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static const char msg_down_normal[] = |
| 192 |
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"Network buffer size dropped below inactive threshold (%d%%)," |
| 193 |
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" processing PRIVMSGs normally"; |
| 194 |
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| 195 |
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static void m_privmsg(char *source, int ac, char **av) |
| 196 |
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{ |
| 197 |
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/* PRIVMSG handling status based on NetBufferLimit settings */ |
| 198 |
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static enum {NORMAL,INACTIVE,IGNORE} netbuf_status = NORMAL; |
| 199 |
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| 200 |
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uint32 start, stop; /* When processing started and finished */ |
| 201 |
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User *u = get_user(source); |
| 202 |
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char *s; |
| 203 |
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| 204 |
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| 205 |
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if (!*source) { |
| 206 |
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log("Source missing from PRIVMSG message"); |
| 207 |
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return; |
| 208 |
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} else if (ac != 2) { |
| 209 |
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return; |
| 210 |
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} |
| 211 |
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| 212 |
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/* If a server is specified (nick@server format), make sure it matches |
| 213 |
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* us, and strip it off. */ |
| 214 |
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s = strchr(av[0], '@'); |
| 215 |
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if (s) { |
| 216 |
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*s++ = 0; |
| 217 |
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if (stricmp(s, ServerName) != 0) |
| 218 |
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return; |
| 219 |
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} |
| 220 |
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| 221 |
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/* Check network buffer status. */ |
| 222 |
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if (NetBufferLimitInactive) { |
| 223 |
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int bufstat = sock_bufstat(servsock, NULL, NULL, NULL, NULL); |
| 224 |
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const char *message = NULL; |
| 225 |
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int value = 0; |
| 226 |
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switch (netbuf_status) { |
| 227 |
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case NORMAL: |
| 228 |
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if (NetBufferLimitIgnore && bufstat >= NetBufferLimitIgnore) { |
| 229 |
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message = msg_up_ignore; |
| 230 |
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value = NetBufferLimitIgnore; |
| 231 |
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netbuf_status = IGNORE; |
| 232 |
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} else if (bufstat >= NetBufferLimitInactive) { |
| 233 |
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message = msg_up_inactive; |
| 234 |
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value = NetBufferLimitInactive; |
| 235 |
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netbuf_status = INACTIVE; |
| 236 |
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} |
| 237 |
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break; |
| 238 |
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case INACTIVE: |
| 239 |
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if (NetBufferLimitIgnore && bufstat >= NetBufferLimitIgnore) { |
| 240 |
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message = msg_up_ignore; |
| 241 |
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value = NetBufferLimitIgnore; |
| 242 |
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netbuf_status = IGNORE; |
| 243 |
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} else if (bufstat < NetBufferLimitInactive) { |
| 244 |
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message = msg_down_normal; |
| 245 |
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value = NetBufferLimitInactive; |
| 246 |
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netbuf_status = NORMAL; |
| 247 |
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} |
| 248 |
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break; |
| 249 |
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case IGNORE: |
| 250 |
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if (bufstat < NetBufferLimitInactive) { |
| 251 |
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message = msg_down_normal; |
| 252 |
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value = NetBufferLimitInactive; |
| 253 |
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netbuf_status = NORMAL; |
| 254 |
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} else if (bufstat < NetBufferLimitIgnore) { |
| 255 |
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message = msg_down_inactive; |
| 256 |
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value = NetBufferLimitIgnore; |
| 257 |
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netbuf_status = INACTIVE; |
| 258 |
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} |
| 259 |
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break; |
| 260 |
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} /* switch (netbuf_status) */ |
| 261 |
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if (message) { |
| 262 |
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log(message, value); |
| 263 |
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wallops(NULL, message, value); |
| 264 |
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} |
| 265 |
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} |
| 266 |
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| 267 |
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/* Check if we should ignore. Operators always get through. */ |
| 268 |
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if (u) { |
| 269 |
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ignore_update(u, 0); |
| 270 |
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if (!is_oper(u)) { |
| 271 |
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if (netbuf_status != NORMAL) { |
| 272 |
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if (netbuf_status == INACTIVE) { |
| 273 |
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if (u) |
| 274 |
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notice_lang(av[0], u, SERVICES_IS_BUSY); |
| 275 |
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else |
| 276 |
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notice(av[0], source, |
| 277 |
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getstring(NULL, SERVICES_IS_BUSY)); |
| 278 |
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} |
| 279 |
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return; |
| 280 |
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} else if (allow_ignore && IgnoreDecay && IgnoreThreshold) { |
| 281 |
|
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if (u->ignore >= IgnoreThreshold) { |
| 282 |
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log("Ignored message from %s: \"%s\"", source, inbuf); |
| 283 |
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return; |
| 284 |
|
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} |
| 285 |
|
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} |
| 286 |
|
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} |
| 287 |
|
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} |
| 288 |
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| 289 |
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/* Not ignored; actually execute the command, and update ignore data. */ |
| 290 |
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start = time_msec(); |
| 291 |
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call_callback_3(cb_privmsg, source, av[0], av[1]); |
| 292 |
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stop = time_msec(); |
| 293 |
|
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if (stop > start && u && !is_oper(u)) |
| 294 |
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ignore_update(u, stop-start); |
| 295 |
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} |
| 296 |
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| 297 |
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/*************************************************************************/ |
| 298 |
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| 299 |
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static void m_quit(char *source, int ac, char **av) |
| 300 |
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{ |
| 301 |
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if (!*source) { |
| 302 |
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log("Source missing from QUIT message"); |
| 303 |
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return; |
| 304 |
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} else if (ac != 1) { |
| 305 |
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return; |
| 306 |
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} |
| 307 |
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do_quit(source, ac, av); |
| 308 |
|
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} |
| 309 |
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| 310 |
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/*************************************************************************/ |
| 311 |
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| 312 |
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static void m_server(char *source, int ac, char **av) |
| 313 |
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{ |
| 314 |
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do_server(source, ac, av); |
| 315 |
|
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} |
| 316 |
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| 317 |
|
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/*************************************************************************/ |
| 318 |
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| 319 |
|
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static void m_squit(char *source, int ac, char **av) |
| 320 |
|
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{ |
| 321 |
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do_squit(source, ac, av); |
| 322 |
|
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} |
| 323 |
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| 324 |
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/*************************************************************************/ |
| 325 |
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| 326 |
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static void m_stats(char *source, int ac, char **av) |
| 327 |
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{ |
| 328 |
|
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if (!*source) { |
| 329 |
|
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log("Source missing from STATS message"); |
| 330 |
|
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return; |
| 331 |
|
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} else if (ac < 1) { |
| 332 |
|
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return; |
| 333 |
|
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} |
| 334 |
|
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|
| 335 |
|
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switch (*av[0]) { |
| 336 |
|
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case 'u': { |
| 337 |
|
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int uptime = time(NULL) - start_time; |
| 338 |
|
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Module *module_operserv; |
| 339 |
|
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typeof(get_operserv_data) *p_get_operserv_data; |
| 340 |
|
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int32 maxusercnt; |
| 341 |
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|
| 342 |
|
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send_cmd(NULL, "242 %s :Services up %d day%s, %02d:%02d:%02d", |
| 343 |
|
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source, uptime/86400, (uptime/86400 == 1) ? "" : "s", |
| 344 |
|
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(uptime/3600) % 24, (uptime/60) % 60, uptime % 60); |
| 345 |
|
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if ((module_operserv = find_module("operserv/main")) != NULL |
| 346 |
|
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&& (p_get_operserv_data = |
| 347 |
|
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get_module_symbol(module_operserv, "get_operserv_data")) |
| 348 |
|
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&& p_get_operserv_data(OSDATA_MAXUSERCNT, &maxusercnt) |
| 349 |
|
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) { |
| 350 |
|
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send_cmd(NULL, "250 %s :Current users: %d (%d ops); maximum %d", |
| 351 |
|
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source, usercnt, opcnt, maxusercnt); |
| 352 |
|
|
} else { |
| 353 |
|
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send_cmd(NULL, "250 %s :Current users: %d (%d ops)", |
| 354 |
|
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source, usercnt, opcnt); |
| 355 |
|
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} |
| 356 |
|
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send_cmd(NULL, "219 %s u :End of /STATS report.", source); |
| 357 |
|
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break; |
| 358 |
|
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} /* case 'u' */ |
| 359 |
|
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|
| 360 |
|
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case 'l': { |
| 361 |
|
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uint64 read, written; |
| 362 |
|
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sock_rwstat(servsock, &read, &written); |
| 363 |
|
|
send_cmd(NULL, "211 %s Server SendBuf SentBytes SentMsgs RecvBuf " |
| 364 |
|
|
"RecvBytes RecvMsgs ConnTime", source); |
| 365 |
|
|
#if SIZEOF_LONG >= 8 |
| 366 |
|
|
send_cmd(NULL, "211 %s %s %u %lu %d %u %lu %d %ld", |
| 367 |
|
|
source, RemoteServer, |
| 368 |
|
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read_buffer_len(servsock), (unsigned long)read, -1, |
| 369 |
|
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write_buffer_len(servsock), (unsigned long)written, -1, |
| 370 |
|
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(long)start_time); |
| 371 |
|
|
#else // assume long long is available |
| 372 |
|
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send_cmd(NULL, "211 %s %s %u %llu %d %u %llu %d %ld", |
| 373 |
|
|
source, RemoteServer, |
| 374 |
|
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read_buffer_len(servsock), (unsigned long long)read, -1, |
| 375 |
|
|
write_buffer_len(servsock), (unsigned long long)written, -1, |
| 376 |
|
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(long)start_time); |
| 377 |
|
|
#endif |
| 378 |
|
|
send_cmd(NULL, "219 %s l :End of /STATS report.", source); |
| 379 |
|
|
break; |
| 380 |
|
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} |
| 381 |
|
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|
| 382 |
|
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case 'c': |
| 383 |
|
|
case 'h': |
| 384 |
|
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case 'i': |
| 385 |
|
|
case 'k': |
| 386 |
|
|
case 'm': |
| 387 |
|
|
case 'o': |
| 388 |
|
|
case 'y': |
| 389 |
|
|
send_cmd(NULL, "219 %s %c :/STATS %c not applicable or not supported.", |
| 390 |
|
|
source, *av[0], *av[0]); |
| 391 |
|
|
break; |
| 392 |
|
|
} |
| 393 |
|
|
} |
| 394 |
|
|
|
| 395 |
|
|
/*************************************************************************/ |
| 396 |
|
|
|
| 397 |
|
|
static void m_time(char *source, int ac, char **av) |
| 398 |
|
|
{ |
| 399 |
|
|
time_t t; |
| 400 |
|
|
struct tm *tm; |
| 401 |
|
|
char buf[64]; |
| 402 |
|
|
|
| 403 |
|
|
if (!*source) { |
| 404 |
|
|
log("Source missing from TIME message"); |
| 405 |
|
|
return; |
| 406 |
|
|
} |
| 407 |
|
|
|
| 408 |
|
|
time(&t); |
| 409 |
|
|
tm = localtime(&t); |
| 410 |
|
|
strftime(buf, sizeof(buf), "%a %b %d %H:%M:%S %Y %Z", tm); |
| 411 |
|
|
send_cmd(NULL, "391 %s %s :%s", source, ServerName, buf); |
| 412 |
|
|
} |
| 413 |
|
|
|
| 414 |
|
|
/*************************************************************************/ |
| 415 |
|
|
|
| 416 |
|
|
static void m_topic(char *source, int ac, char **av) |
| 417 |
|
|
{ |
| 418 |
|
|
if (ac != 4) |
| 419 |
|
|
return; |
| 420 |
|
|
do_topic(source, ac, av); |
| 421 |
|
|
} |
| 422 |
|
|
|
| 423 |
|
|
/*************************************************************************/ |
| 424 |
|
|
|
| 425 |
|
|
static void m_version(char *source, int ac, char **av) |
| 426 |
|
|
{ |
| 427 |
|
|
if (!*source) { |
| 428 |
|
|
log("Source missing from VERSION message"); |
| 429 |
|
|
return; |
| 430 |
|
|
} |
| 431 |
|
|
send_cmd(ServerName, "351 %s %s-%s %s :%s", source, |
| 432 |
|
|
program_name, version_number, ServerName, version_build); |
| 433 |
|
|
} |
| 434 |
|
|
|
| 435 |
|
|
/*************************************************************************/ |
| 436 |
|
|
|
| 437 |
|
|
static void m_whois(char *source, int ac, char **av) |
| 438 |
|
|
{ |
| 439 |
|
|
if (!*source) { |
| 440 |
|
|
log("Source missing from WHOIS message"); |
| 441 |
|
|
return; |
| 442 |
|
|
} else if (ac < 1) { |
| 443 |
|
|
return; |
| 444 |
|
|
} |
| 445 |
|
|
|
| 446 |
|
|
if (call_callback_3(cb_whois, source, av[0], |
| 447 |
|
|
ac>1 ? av[1] : NULL) <= 0 |
| 448 |
|
|
) { |
| 449 |
|
|
send_cmd(ServerName, "401 %s %s :No such service.", source, av[0]); |
| 450 |
|
|
} |
| 451 |
|
|
} |
| 452 |
|
|
|
| 453 |
|
|
/*************************************************************************/ |
| 454 |
|
|
|
| 455 |
|
|
/* Basic messages (defined above). Note that NICK and USER are left to the |
| 456 |
|
|
* protocol modules, since their usage varies widely between protocols. */ |
| 457 |
|
|
|
| 458 |
|
|
static Message base_messages[] = { |
| 459 |
|
|
|
| 460 |
|
|
{ "401", NULL }, |
| 461 |
|
|
{ "436", m_nickcoll }, |
| 462 |
|
|
{ "AWAY", NULL }, |
| 463 |
|
|
{ "INFO", m_info }, |
| 464 |
|
|
{ "JOIN", m_join }, |
| 465 |
|
|
{ "KICK", m_kick }, |
| 466 |
|
|
{ "KILL", m_kill }, |
| 467 |
|
|
{ "MODE", m_mode }, |
| 468 |
|
|
{ "MOTD", m_motd }, |
| 469 |
|
|
{ "NOTICE", NULL }, |
| 470 |
|
|
{ "PART", m_part }, |
| 471 |
|
|
{ "PASS", NULL }, |
| 472 |
|
|
{ "PING", m_ping }, |
| 473 |
|
|
{ "PONG", NULL }, |
| 474 |
|
|
{ "PRIVMSG", m_privmsg }, |
| 475 |
|
|
{ "QUIT", m_quit }, |
| 476 |
|
|
{ "SERVER", m_server }, |
| 477 |
|
|
{ "SQUIT", m_squit }, |
| 478 |
|
|
{ "STATS", m_stats }, |
| 479 |
|
|
{ "TIME", m_time }, |
| 480 |
|
|
{ "TOPIC", m_topic }, |
| 481 |
|
|
{ "VERSION", m_version }, |
| 482 |
|
|
{ "WALLOPS", NULL }, |
| 483 |
|
|
{ "WHOIS", m_whois }, |
| 484 |
|
|
|
| 485 |
|
|
{ NULL } |
| 486 |
|
|
|
| 487 |
|
|
}; |
| 488 |
|
|
|
| 489 |
|
|
/*************************************************************************/ |
| 490 |
|
|
/******************** Message registration and lookup ********************/ |
| 491 |
|
|
/*************************************************************************/ |
| 492 |
|
|
|
| 493 |
|
|
/* Structure to link tables together */ |
| 494 |
|
|
typedef struct messagetable_ MessageTable; |
| 495 |
|
|
struct messagetable_ { |
| 496 |
|
|
MessageTable *next, *prev; |
| 497 |
|
|
Message *table; |
| 498 |
|
|
}; |
| 499 |
|
|
static MessageTable *msgtable = NULL; |
| 500 |
|
|
|
| 501 |
|
|
/* List of known messages (for speed-lookup list) */ |
| 502 |
|
|
typedef struct messagenode_ MessageNode; |
| 503 |
|
|
struct messagenode_ { |
| 504 |
|
|
MessageNode *next, *prev; |
| 505 |
|
|
Message *msg; |
| 506 |
|
|
}; |
| 507 |
|
|
static MessageNode *msglist = NULL; |
| 508 |
|
|
|
| 509 |
|
|
/*************************************************************************/ |
| 510 |
|
|
/*************************************************************************/ |
| 511 |
|
|
|
| 512 |
|
|
/* (Re)generate the speed-lookup list. This list is used to reduce the |
| 513 |
|
|
* time spent searching for messages; every time a message is seen, its |
| 514 |
|
|
* entry in this list is moved one place closer to the head of the list, |
| 515 |
|
|
* allowing frequently-seen messages to "percolate" to the top of the list |
| 516 |
|
|
* so that they will be found more quickly by searches. |
| 517 |
|
|
*/ |
| 518 |
|
|
|
| 519 |
|
|
static void init_message_list(void) |
| 520 |
|
|
{ |
| 521 |
|
|
MessageNode *mn, *mn2; |
| 522 |
|
|
MessageTable *mt; |
| 523 |
|
|
Message *m; |
| 524 |
|
|
|
| 525 |
|
|
LIST_FOREACH_SAFE(mn, msglist, mn2) |
| 526 |
|
|
free(mn); |
| 527 |
|
|
msglist = NULL; |
| 528 |
|
|
|
| 529 |
|
|
LIST_FOREACH (mt, msgtable) { |
| 530 |
|
|
for (m = mt->table; m->name; m++) { |
| 531 |
|
|
LIST_SEARCH(msglist, msg->name, m->name, stricmp, mn); |
| 532 |
|
|
if (!mn) { |
| 533 |
|
|
mn = smalloc(sizeof(*mn)); |
| 534 |
|
|
mn->msg = m; |
| 535 |
|
|
LIST_INSERT(mn, msglist); |
| 536 |
|
|
} |
| 537 |
|
|
} |
| 538 |
|
|
} |
| 539 |
|
|
} |
| 540 |
|
|
|
| 541 |
|
|
/*************************************************************************/ |
| 542 |
|
|
|
| 543 |
|
|
/* Register the given table of messages. Returns 1 on success, 0 on |
| 544 |
|
|
* failure (`table' == NULL, `table' already registered, or out of memory). |
| 545 |
|
|
*/ |
| 546 |
|
|
|
| 547 |
|
|
int register_messages(Message *table) |
| 548 |
|
|
{ |
| 549 |
|
|
MessageTable *mt; |
| 550 |
|
|
|
| 551 |
|
|
if (!table) |
| 552 |
|
|
return 0; |
| 553 |
|
|
LIST_SEARCH_SCALAR(msgtable, table, table, mt); |
| 554 |
|
|
if (mt) /* if it's already on the list, abort */ |
| 555 |
|
|
return 0; |
| 556 |
|
|
mt = malloc(sizeof(*mt)); |
| 557 |
|
|
if (!mt) /* out of memory */ |
| 558 |
|
|
return 0; |
| 559 |
|
|
mt->table = table; |
| 560 |
|
|
LIST_INSERT(mt, msgtable); |
| 561 |
|
|
init_message_list(); |
| 562 |
|
|
return 1; |
| 563 |
|
|
} |
| 564 |
|
|
|
| 565 |
|
|
/*************************************************************************/ |
| 566 |
|
|
|
| 567 |
|
|
/* Unregister the given table of messages. Returns 1 on success, 0 on |
| 568 |
|
|
* failure (`table' not registered). |
| 569 |
|
|
*/ |
| 570 |
|
|
|
| 571 |
|
|
int unregister_messages(Message *table) |
| 572 |
|
|
{ |
| 573 |
|
|
MessageTable *mt; |
| 574 |
|
|
|
| 575 |
|
|
LIST_SEARCH_SCALAR(msgtable, table, table, mt); |
| 576 |
|
|
if (!mt) |
| 577 |
|
|
return 0; |
| 578 |
|
|
LIST_REMOVE(mt, msgtable); |
| 579 |
|
|
free(mt); |
| 580 |
|
|
init_message_list(); |
| 581 |
|
|
return 1; |
| 582 |
|
|
} |
| 583 |
|
|
|
| 584 |
|
|
/*************************************************************************/ |
| 585 |
|
|
|
| 586 |
|
|
/* Return the Message structure for the given message name, or NULL if none |
| 587 |
|
|
* exists. If there are multiple tables with entries for the message, |
| 588 |
|
|
* returns the entry in the most recently registered table. |
| 589 |
|
|
*/ |
| 590 |
|
|
|
| 591 |
|
|
Message *find_message(const char *name) |
| 592 |
|
|
{ |
| 593 |
|
|
MessageNode *mn; |
| 594 |
|
|
|
| 595 |
|
|
LIST_SEARCH(msglist, msg->name, name, stricmp, mn); |
| 596 |
|
|
if (mn) { |
| 597 |
|
|
MessageNode *prev = mn->prev; |
| 598 |
|
|
if (prev) { |
| 599 |
|
|
MessageNode *pprev = prev->prev; |
| 600 |
|
|
MessageNode *next = mn->next; |
| 601 |
|
|
/* Current order: pprev -> prev -> mn -> next */ |
| 602 |
|
|
/* New order: pprev -> mn -> prev -> next */ |
| 603 |
|
|
if (pprev) |
| 604 |
|
|
pprev->next = mn; |
| 605 |
|
|
else |
| 606 |
|
|
msglist = mn; |
| 607 |
|
|
mn->prev = pprev; |
| 608 |
|
|
mn->next = prev; |
| 609 |
|
|
prev->prev = mn; |
| 610 |
|
|
prev->next = next; |
| 611 |
|
|
if (next) |
| 612 |
|
|
next->prev = prev; |
| 613 |
|
|
} |
| 614 |
|
|
return mn->msg; |
| 615 |
|
|
} |
| 616 |
|
|
return NULL; |
| 617 |
|
|
} |
| 618 |
|
|
|
| 619 |
|
|
/*************************************************************************/ |
| 620 |
|
|
/************************ Initialization/cleanup *************************/ |
| 621 |
|
|
/*************************************************************************/ |
| 622 |
|
|
|
| 623 |
|
|
int messages_init(int ac, char **av) |
| 624 |
|
|
{ |
| 625 |
|
|
if (!register_messages(base_messages)) { |
| 626 |
|
|
log("messages_init: Unable to register base messages\n"); |
| 627 |
|
|
return 0; |
| 628 |
|
|
} |
| 629 |
|
|
cb_privmsg = register_callback("m_privmsg"); |
| 630 |
|
|
cb_whois = register_callback("m_whois"); |
| 631 |
|
|
if (cb_privmsg < 0 || cb_whois < 0) { |
| 632 |
|
|
log("messages_init: register_callback() failed\n"); |
| 633 |
|
|
return 0; |
| 634 |
|
|
} |
| 635 |
|
|
return 1; |
| 636 |
|
|
} |
| 637 |
|
|
|
| 638 |
|
|
/*************************************************************************/ |
| 639 |
|
|
|
| 640 |
|
|
void messages_cleanup(void) |
| 641 |
|
|
{ |
| 642 |
|
|
unregister_callback(cb_whois); |
| 643 |
|
|
unregister_callback(cb_privmsg); |
| 644 |
|
|
unregister_messages(base_messages); |
| 645 |
|
|
} |
| 646 |
|
|
|
| 647 |
|
|
/*************************************************************************/ |
| 648 |
|
|
|
| 649 |
|
|
/* |
| 650 |
|
|
* Local variables: |
| 651 |
|
|
* c-file-style: "stroustrup" |
| 652 |
|
|
* c-file-offsets: ((case-label . *) (statement-case-intro . *)) |
| 653 |
|
|
* indent-tabs-mode: nil |
| 654 |
|
|
* End: |
| 655 |
|
|
* |
| 656 |
|
|
* vim: expandtab shiftwidth=4: |
| 657 |
|
|
*/ |
