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);
159 chan->chanbot = NULL;
164 chan->trigger = NULL;
165 chan->mode_str_args = calloc(modes_with_strarg, sizeof(char*));
166 chan->mode_int_args = calloc(modes_with_intarg, sizeof(int));
168 chan->next = chanList[chanListIndex];
169 chanList[chanListIndex] = chan;
173 void delChannel(struct ChanNode* chan, int freeChan) {
174 int chanListIndex = get_chanlist_entry(chan->name[1]);
175 if(chanListIndex == -1) return;
176 struct ChanNode *cchan, *last_chan = NULL;
177 for(cchan = chanList[chanListIndex]; cchan; cchan = cchan->next) {
180 last_chan->next = chan->next;
182 chanList[chanListIndex] = chan->next;
189 struct ChanUser *chanuser, *next;
190 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
191 next = getChannelUsers(chan, chanuser);
192 removeChanUserFromLists(chanuser, 0, 1, 1);
201 void freeChanNode(struct ChanNode* chan) {
203 for(i = 0; i < modes_with_strarg; i++) {
204 if(chan->mode_str_args[i])
205 free(chan->mode_str_args[i]);
208 struct trigger_cache *trigger, *next_trigger;
209 for(trigger = chan->trigger; trigger; trigger = next_trigger) {
210 next_trigger = trigger;
211 free(trigger->trigger);
215 free(chan->mode_str_args);
216 free(chan->mode_int_args);
220 void checkChannelVisibility(struct ChanNode* chan) {
221 struct ChanUser *chanuser, *next;
222 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {
223 if(chanuser->user->flags & USERFLAG_ISBOT) {
224 chan->chanbot = chanuser->user;
228 //free the channel...
229 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
230 next = getChannelUsers(chan, chanuser);
231 //remove the channel from the user's channel-list
232 removeChanUserFromLists(chanuser, 0, 1, 0);
233 if(!chanuser->user->channel) {
234 //free the user (no more channels)
235 delUser(chanuser->user, 1);
243 static unsigned int* getModeOptions(char mode) {
245 for (cmode = valid_modes; cmode[1]; cmode += 3) {
252 int isModeSet(struct ChanNode* chan, char modeChar) {
253 unsigned int *modeOpt = getModeOptions(modeChar);
254 return (chan->modes & modeOpt[0]);
257 void* getModeValue(struct ChanNode* chan, char modeChar) {
258 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
259 unsigned int *modeOpt = getModeOptions(modeChar);
260 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_STRING)
261 return chan->mode_str_args[MODE_VALUE_INDEX];
262 if((modeOpt[2] & CHANNEL_MODE_VALUE) == CHANNEL_MODE_VALUE_INTEGER)
263 return &chan->mode_int_args[MODE_VALUE_INDEX];
265 #undef MODE_VALUE_INDEX
268 static void parseModesUserPriv(struct ChanNode* chan, unsigned char flag, int add, char *nick) {
269 struct UserNode *user = getUserByNick(nick);
270 if(user == NULL) return;
271 struct ChanUser *chanuser = getChanUser(user, chan);
272 if(chanuser == NULL) return;
274 chanuser->flags |= flag;
276 chanuser->flags &= ~flag;
279 static void parseModesBan(struct ChanNode* chan, int add, char *mask) {
283 void parseModes(struct ChanNode* chan, char *modeStr, char **argv, int argc) {
284 int i, argpos = 0, add = 1;
285 #define MODE_TYPE (modeOpt[2] & CHANNEL_MODE_TYPE)
286 #define MODE_VALUE (modeOpt[2] & CHANNEL_MODE_VALUE)
287 #define MODE_VALUE_INDEX (modeOpt[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
288 unsigned int *modeOpt;
289 for(i = 0; i < strlen(modeStr); i++) {
290 if(modeStr[i] == '+') {
294 if(modeStr[i] == '-') {
298 modeOpt = getModeOptions(modeStr[i]);
299 if(!modeOpt) continue; // unknown mode?
300 if(MODE_TYPE == CHANNEL_MODE_TYPE_A) {
301 if(argpos == argc) continue;
305 parseModesUserPriv(chan, CHANUSERFLAG_OPPED, add, argv[argpos]);
308 parseModesUserPriv(chan, CHANUSERFLAG_VOICED, add, argv[argpos]);
311 parseModesBan(chan, add, argv[argpos]);
314 //we have an unknown TYPE_A mode???
321 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) { //all other types take parameters when set
322 if(argpos == argc) continue;
323 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
324 if(chan->mode_str_args[MODE_VALUE_INDEX])
325 free(chan->mode_str_args[MODE_VALUE_INDEX]);
326 chan->mode_str_args[MODE_VALUE_INDEX] = strdup(argv[argpos++]);
327 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
328 chan->mode_int_args[MODE_VALUE_INDEX] = atoi(argv[argpos++]);
330 argpos++; //we simply don't know what to do with the argument...
332 chan->modes |= modeOpt[0];
334 chan->modes &= ~modeOpt[0];
335 if(MODE_TYPE == CHANNEL_MODE_TYPE_B) {
336 if(argpos == argc) continue;
337 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING) {
338 free(chan->mode_str_args[MODE_VALUE_INDEX]);
339 chan->mode_str_args[MODE_VALUE_INDEX] = NULL;
340 } else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
341 chan->mode_int_args[MODE_VALUE_INDEX] = 0;
342 argpos++; //we don't need the argument when unsetting a mode...
348 #undef MODE_VALUE_INDEX
351 void getModeString(struct ChanNode* chan, char *modesStr) {
352 #define MODE_TYPE (mode[2] & CHANNEL_MODE_TYPE)
353 #define MODE_VALUE (mode[2] & CHANNEL_MODE_VALUE)
354 #define MODE_VALUE_INDEX (mode[2] & CHANNEL_MODE_VALUE_INDEX_MASK) >> CHANNEL_MODE_VALUE_INDEX_SHIFT
355 char paramStr[MAXLEN];
360 for (mode = valid_modes; mode[1]; mode += 3) {
361 if(chan->modes & mode[0]) {
362 modesStr[modePos++] = (char) mode[1];
363 if(MODE_TYPE != CHANNEL_MODE_TYPE_D) {
364 if(MODE_VALUE == CHANNEL_MODE_VALUE_STRING)
365 paramPos += sprintf(paramStr + paramPos, " %s", chan->mode_str_args[MODE_VALUE_INDEX]);
366 else if(MODE_VALUE == CHANNEL_MODE_VALUE_INTEGER)
367 paramPos += sprintf(paramStr + paramPos, " %d", chan->mode_int_args[MODE_VALUE_INDEX]);
371 paramStr[paramPos] = '\0';
372 strcpy(modesStr + modePos, paramStr);
375 #undef MODE_VALUE_INDEX