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);
161 chan->chanbot = NULL;
166 chan->trigger = NULL;
167 chan->mode_str_args = calloc(modes_with_strarg, sizeof(char*));
168 chan->mode_int_args = calloc(modes_with_intarg, sizeof(int));
170 chan->next = chanList[chanListIndex];
171 chanList[chanListIndex] = chan;
175 void delChannel(struct ChanNode* chan, int freeChan) {
176 int chanListIndex = get_chanlist_entry(chan->name[1]);
177 if(chanListIndex == -1) return;
178 struct ChanNode *cchan, *last_chan = NULL;
179 for(cchan = chanList[chanListIndex]; cchan; cchan = cchan->next) {
182 last_chan->next = chan->next;
184 chanList[chanListIndex] = chan->next;
191 struct ChanUser *chanuser, *next;
192 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
193 next = getChannelUsers(chan, chanuser);
194 removeChanUserFromLists(chanuser, 0, 1, 1);
203 void freeChanNode(struct ChanNode* chan) {
205 for(i = 0; i < modes_with_strarg; i++) {
206 if(chan->mode_str_args[i])
207 free(chan->mode_str_args[i]);
210 struct trigger_cache *trigger, *next_trigger;
211 for(trigger = chan->trigger; trigger; trigger = next_trigger) {
212 next_trigger = trigger;
213 free(trigger->trigger);
217 free(chan->mode_str_args);
218 free(chan->mode_int_args);
222 void checkChannelVisibility(struct ChanNode* chan) {
223 struct ChanUser *chanuser, *next;
224 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {
225 if(chanuser->user->flags & USERFLAG_ISBOT) {
226 chan->chanbot = chanuser->user;
230 //free the channel...
231 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
232 next = getChannelUsers(chan, chanuser);
233 //remove the channel from the user's channel-list
234 removeChanUserFromLists(chanuser, 0, 1, 0);
235 if(!chanuser->user->channel) {
236 //free the user (no more channels)
237 delUser(chanuser->user, 1);
245 static unsigned int* getModeOptions(char mode) {
247 for (cmode = valid_modes; cmode[1]; cmode += 3) {
254 int isModeSet(struct ChanNode* chan, char modeChar) {
255 unsigned int *modeOpt = getModeOptions(modeChar);
256 return (chan->modes & modeOpt[0]);
259 void* getModeValue(struct ChanNode* chan, char modeChar) {
260 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
261 unsigned int *modeOpt = getModeOptions(modeChar);
262 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_STRING)
263 return chan->mode_str_args[MODE_VALUE_INDEX];
264 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_INTEGER)
265 return &chan->mode_int_args[MODE_VALUE_INDEX];
267 #undef MODE_VALUE_INDEX
270 static void parseModesUserPriv(struct ChanNode* chan, unsigned char flag, int add, char *nick) {
271 struct UserNode *user = getUserByNick(nick);
272 if(user == NULL) return;
273 struct ChanUser *chanuser = getChanUser(user, chan);
274 if(chanuser == NULL) return;
276 chanuser->flags |= flag;
278 chanuser->flags &= ~flag;
281 static void parseModesBan(struct ChanNode* chan, int add, char *mask) {
283 addChannelBan(chan, mask);
285 removeChannelBanMask(chan, mask);
288 void parseModes(struct ChanNode* chan, char *modeStr, char **argv, int argc) {
289 int i, argpos = 0, add = 1;
290 #define MODE_TYPE (modeOpt[2] & CHANNEL_MODE_TYPE)
291 #define MODE_VALUE (modeOpt[2] & CHANNEL_MODE_VALUE)
292 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
293 unsigned int *modeOpt;
294 for(i = 0; i < strlen(modeStr); i++) {
295 if(modeStr[i] == '+') {
299 if(modeStr[i] == '-') {
303 modeOpt = getModeOptions(modeStr[i]);
304 if(!modeOpt) continue; // unknown mode?
305 if(MODE_TYPE == CHANNEL_MODE_TYPE_A) {
306 if(argpos == argc) continue;
310 parseModesUserPriv(chan, CHANUSERFLAG_OPPED, add, argv[argpos]);
313 parseModesUserPriv(chan, CHANUSERFLAG_VOICED, add, argv[argpos]);
316 parseModesBan(chan, add, argv[argpos]);
319 //we have an unknown TYPE_A mode???
326 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) { //all other types take parameters when set
327 if(argpos == argc) continue;
328 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
329 if(chan->mode_str_args[MODE_VALUE_INDEX])
330 free(chan->mode_str_args[MODE_VALUE_INDEX]);
331 chan->mode_str_args[MODE_VALUE_INDEX] = strdup(argv[argpos++]);
332 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
333 chan->mode_int_args[MODE_VALUE_INDEX] = atoi(argv[argpos++]);
335 argpos++; //we simply don't know what to do with the argument...
337 chan->modes |= modeOpt[0];
339 chan->modes &= ~modeOpt[0];
340 if(MODE_TYPE == CHANNEL_MODE_TYPE_B) {
341 if(argpos == argc) continue;
342 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
343 free(chan->mode_str_args[MODE_VALUE_INDEX]);
344 chan->mode_str_args[MODE_VALUE_INDEX] = NULL;
345 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
346 chan->mode_int_args[MODE_VALUE_INDEX] = 0;
347 argpos++; //we don't need the argument when unsetting a mode...
353 #undef MODE_VALUE_INDEX
356 void getModeString(struct ChanNode* chan, char *modesStr) {
357 #define MODE_TYPE (mode[2] & CHANNEL_MODE_TYPE)
358 #define MODE_VALUE (mode[2] & CHANNEL_MODE_VALUE)
359 #define MODE_VALUE_INDEX (mode[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
360 char paramStr[MAXLEN];
365 for (mode = valid_modes; mode[1]; mode += 3) {
366 if(chan->modes & mode[0]) {
367 modesStr[modePos++] = (char) mode[1];
368 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) {
369 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING)
370 paramPos += sprintf(paramStr + paramPos, " %s", chan->mode_str_args[MODE_VALUE_INDEX]);
371 else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
372 paramPos += sprintf(paramStr + paramPos, " %d", chan->mode_int_args[MODE_VALUE_INDEX]);
376 paramStr[paramPos] = '\0';
377 strcpy(modesStr + modePos, paramStr);
380 #undef MODE_VALUE_INDEX