6 static struct ChanNode **chanList;
7 static int modes_with_strarg, modes_with_intarg;
9 //Types: http://www.irc.org/tech_docs/draft-brocklesby-irc-isupport-03.txt
10 #define CHANNEL_MODE_TYPE_A 0x01 /* ... special (addresses or users) ... */
11 #define CHANNEL_MODE_TYPE_B 0x02 /* These modes always take a parameter. */
12 #define CHANNEL_MODE_TYPE_C 0x03 /* These modes take a parameter only when set. */
13 #define CHANNEL_MODE_TYPE_D 0x04 /* These modes never take a parameter. */
14 #define CHANNEL_MODE_TYPE 0x07 /* bit mask to get the type */
16 #define CHANNEL_MODE_VALUE_STRING 0x10
17 #define CHANNEL_MODE_VALUE_INTEGER 0x20
18 #define CHANNEL_MODE_VALUE 0x30 /* bit mask to get the value */
20 #define CHANNEL_MODE_VALUE_INDEX_SHIFT 8
21 #define CHANNEL_MODE_VALUE_INDEX_MASK (0xff << CHANNEL_MODE_VALUE_INDEX_SHIFT) /* this "bitrange" is reserved for storing the array indexes of the mode values */
23 static unsigned int valid_modes[] = { /* Thats our mode list :P */
24 1, 'b', CHANNEL_MODE_TYPE_A,
25 2, 'o', CHANNEL_MODE_TYPE_A,
26 3, 'v', CHANNEL_MODE_TYPE_A,
27 4, 'k', CHANNEL_MODE_TYPE_B | CHANNEL_MODE_VALUE_STRING,
28 5, 'a', CHANNEL_MODE_TYPE_C | CHANNEL_MODE_VALUE_INTEGER,
29 6, 'l', CHANNEL_MODE_TYPE_C | CHANNEL_MODE_VALUE_INTEGER,
30 7, 'f', CHANNEL_MODE_TYPE_C | CHANNEL_MODE_VALUE_STRING,
31 8, 'F', CHANNEL_MODE_TYPE_C | CHANNEL_MODE_VALUE_STRING,
32 9, 'c', CHANNEL_MODE_TYPE_D,
33 10, 'C', CHANNEL_MODE_TYPE_D,
34 11, 'i', CHANNEL_MODE_TYPE_D,
35 12, 'm', CHANNEL_MODE_TYPE_D,
36 13, 'M', CHANNEL_MODE_TYPE_D,
37 14, 'n', CHANNEL_MODE_TYPE_D,
38 15, 'N', CHANNEL_MODE_TYPE_D,
39 16, 'p', CHANNEL_MODE_TYPE_D,
40 17, 'r', CHANNEL_MODE_TYPE_D,
41 18, 's', CHANNEL_MODE_TYPE_D,
42 19, 't', CHANNEL_MODE_TYPE_D,
43 20, 'u', CHANNEL_MODE_TYPE_D,
44 21, 'D', CHANNEL_MODE_TYPE_D,
45 22, 'd', CHANNEL_MODE_TYPE_D,
46 23, 'R', CHANNEL_MODE_TYPE_D,
47 24, 'z', CHANNEL_MODE_TYPE_D,
52 void init_ChanNode() {
58 1 46 *everything else*
59 ---------------------------
62 chanList = calloc(47, sizeof(*chanList));
63 unsigned int *mode, flag = 1;
64 modes_with_strarg = 0;
65 modes_with_intarg = 0;
66 for (mode = valid_modes; mode[1]; mode += 3) {
67 if((mode[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_STRING) {
68 mode[2] |= modes_with_strarg << CHANNEL_MODE_VALUE_INDEX_SHIFT;
71 if((mode[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_INTEGER) {
72 mode[2] |= modes_with_intarg << CHANNEL_MODE_VALUE_INDEX_SHIFT;
80 void free_ChanNode() {
81 //kamikaze free all channels and chanusers
83 struct ChanNode *chan, *next;
84 struct ChanUser *chanuser, *next_chanuser;
85 for(i = 0; i < 47; i++) {
86 for(chan = chanList[i]; chan; chan = next) {
88 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next_chanuser) {
89 next_chanuser = getChannelUsers(chan, chanuser);
98 int is_valid_chan(const char *name) {
102 for (ii=1; name[ii]; ++ii) {
103 if ((name[ii] > 0) && (name[ii] <= 32))
107 if (name[ii] == '\xa0')
113 static int get_chanlist_entry(int name) {
114 if((name > 0 && name <= 32) || name == ',' || name == '\xa0') return -1; //invalid name
115 if(tolower(name) >= 97 && tolower(name) <= 122) {
116 return (tolower(name) - 97);
118 if(tolower(name) >= 48 && tolower(name) <= 57) {
119 return (tolower(name) - 48 + 26);
122 if(name == '{') return 36;
123 if(name == '|') return 37;
124 if(name == '}') return 38;
125 if(name == '~') return 39;
126 if(name == '[') return 40;
127 if(name == '\\') return 41;
128 if(name == ']') return 42;
129 if(name == '^') return 43;
130 if(name == '_') return 44;
131 if(name == '`') return 45;
135 struct ChanNode* getChanByName(const char *name) { //case insensitive
136 int chanListIndex = get_chanlist_entry(name[1]);
137 if(chanListIndex == -1 || chanList[chanListIndex] == NULL)
139 struct ChanNode *chan;
140 for(chan = chanList[chanListIndex]; chan; chan = chan->next) {
141 if(!stricmp(name, chan->name))
147 struct ChanNode* addChannel(const char *name) {
148 int chanListIndex = get_chanlist_entry(name[1]);
149 if(chanListIndex == -1 || !is_valid_chan(name))
151 struct ChanNode *chan = malloc(sizeof(*chan));
154 perror("malloc() failed");
157 strcpy(chan->name, name);
160 chan->chanbot = NULL;
165 chan->trigger = NULL;
166 chan->mode_str_args = calloc(modes_with_strarg, sizeof(char*));
167 chan->mode_int_args = calloc(modes_with_intarg, sizeof(int));
169 chan->next = chanList[chanListIndex];
170 chanList[chanListIndex] = chan;
174 void delChannel(struct ChanNode* chan, int freeChan) {
175 int chanListIndex = get_chanlist_entry(chan->name[1]);
176 if(chanListIndex == -1) return;
177 struct ChanNode *cchan, *last_chan = NULL;
178 for(cchan = chanList[chanListIndex]; cchan; cchan = cchan->next) {
181 last_chan->next = chan->next;
183 chanList[chanListIndex] = chan->next;
190 struct ChanUser *chanuser, *next;
191 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
192 next = getChannelUsers(chan, chanuser);
193 removeChanUserFromLists(chanuser, 0, 1, 1);
202 void freeChanNode(struct ChanNode* chan) {
204 for(i = 0; i < modes_with_strarg; i++) {
205 if(chan->mode_str_args[i])
206 free(chan->mode_str_args[i]);
209 struct trigger_cache *trigger, *next_trigger;
210 for(trigger = chan->trigger; trigger; trigger = next_trigger) {
211 next_trigger = trigger;
212 free(trigger->trigger);
216 free(chan->mode_str_args);
217 free(chan->mode_int_args);
221 void checkChannelVisibility(struct ChanNode* chan) {
222 struct ChanUser *chanuser, *next;
223 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {
224 if(chanuser->user->flags & USERFLAG_ISBOT) {
225 chan->chanbot = chanuser->user;
229 //free the channel...
230 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
231 next = getChannelUsers(chan, chanuser);
232 //remove the channel from the user's channel-list
233 removeChanUserFromLists(chanuser, 0, 1, 0);
234 if(!chanuser->user->channel) {
235 //free the user (no more channels)
236 delUser(chanuser->user, 1);
244 static unsigned int* getModeOptions(char mode) {
246 for (cmode = valid_modes; cmode[1]; cmode += 3) {
253 int isModeSet(struct ChanNode* chan, char modeChar) {
254 unsigned int *modeOpt = getModeOptions(modeChar);
255 return (chan->modes & modeOpt[0]);
258 void* getModeValue(struct ChanNode* chan, char modeChar) {
259 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
260 unsigned int *modeOpt = getModeOptions(modeChar);
261 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_STRING)
262 return chan->mode_str_args[MODE_VALUE_INDEX];
263 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_INTEGER)
264 return &chan->mode_int_args[MODE_VALUE_INDEX];
266 #undef MODE_VALUE_INDEX
269 static void parseModesUserPriv(struct ChanNode* chan, unsigned char flag, int add, char *nick) {
270 struct UserNode *user = getUserByNick(nick);
271 if(user == NULL) return;
272 struct ChanUser *chanuser = getChanUser(user, chan);
273 if(chanuser == NULL) return;
275 chanuser->flags |= flag;
277 chanuser->flags &= ~flag;
280 static void parseModesBan(struct ChanNode* chan, int add, char *mask) {
284 void parseModes(struct ChanNode* chan, char *modeStr, char **argv, int argc) {
285 int i, argpos = 0, add = 1;
286 #define MODE_TYPE (modeOpt[2] & CHANNEL_MODE_TYPE)
287 #define MODE_VALUE (modeOpt[2] & CHANNEL_MODE_VALUE)
288 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
289 unsigned int *modeOpt;
290 for(i = 0; i < strlen(modeStr); i++) {
291 if(modeStr[i] == '+') {
295 if(modeStr[i] == '-') {
299 modeOpt = getModeOptions(modeStr[i]);
300 if(!modeOpt) continue; // unknown mode?
301 if(MODE_TYPE == CHANNEL_MODE_TYPE_A) {
302 if(argpos == argc) continue;
306 parseModesUserPriv(chan, CHANUSERFLAG_OPPED, add, argv[argpos]);
309 parseModesUserPriv(chan, CHANUSERFLAG_VOICED, add, argv[argpos]);
312 parseModesBan(chan, add, argv[argpos]);
315 //we have an unknown TYPE_A mode???
322 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) { //all other types take parameters when set
323 if(argpos == argc) continue;
324 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
325 if(chan->mode_str_args[MODE_VALUE_INDEX])
326 free(chan->mode_str_args[MODE_VALUE_INDEX]);
327 chan->mode_str_args[MODE_VALUE_INDEX] = strdup(argv[argpos++]);
328 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
329 chan->mode_int_args[MODE_VALUE_INDEX] = atoi(argv[argpos++]);
331 argpos++; //we simply don't know what to do with the argument...
333 chan->modes |= modeOpt[0];
335 chan->modes &= ~modeOpt[0];
336 if(MODE_TYPE == CHANNEL_MODE_TYPE_B) {
337 if(argpos == argc) continue;
338 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
339 free(chan->mode_str_args[MODE_VALUE_INDEX]);
340 chan->mode_str_args[MODE_VALUE_INDEX] = NULL;
341 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
342 chan->mode_int_args[MODE_VALUE_INDEX] = 0;
343 argpos++; //we don't need the argument when unsetting a mode...
349 #undef MODE_VALUE_INDEX
352 void getModeString(struct ChanNode* chan, char *modesStr) {
353 #define MODE_TYPE (mode[2] & CHANNEL_MODE_TYPE)
354 #define MODE_VALUE (mode[2] & CHANNEL_MODE_VALUE)
355 #define MODE_VALUE_INDEX (mode[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
356 char paramStr[MAXLEN];
361 for (mode = valid_modes; mode[1]; mode += 3) {
362 if(chan->modes & mode[0]) {
363 modesStr[modePos++] = (char) mode[1];
364 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) {
365 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING)
366 paramPos += sprintf(paramStr + paramPos, " %s", chan->mode_str_args[MODE_VALUE_INDEX]);
367 else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
368 paramPos += sprintf(paramStr + paramPos, " %d", chan->mode_int_args[MODE_VALUE_INDEX]);
372 paramStr[paramPos] = '\0';
373 strcpy(modesStr + modePos, paramStr);
376 #undef MODE_VALUE_INDEX