cmd_neonserv_unban.c

   1
   2 /*
   3 * argv[0-*]    nick[,*auth[,*!*@mask[...]]]
   4 */
   5 struct neonserv_cmd_unban_cache {
   6     struct ClientSocket *client, *textclient;
   7     struct UserNode *user;
   8     struct ChanNode *chan;
   9     struct Event *event;
  10     struct ModeBuffer *modeBuf;
  11     int provided_masks, done_masks, pending_whos, unbanned_masks;
  12 };
  13
  14 static USERAUTH_CALLBACK(neonserv_cmd_unban_userauth_lookup);
  15 static void neonserv_cmd_unban_nick(struct neonserv_cmd_unban_cache *cache, struct UserNode *user);
  16 static void neonserv_cmd_unban_mask(struct neonserv_cmd_unban_cache *cache, char *mask);
  17 static void neonserv_cmd_unban_finish(struct neonserv_cmd_unban_cache *cache);
  18
  19 static CMD_BIND(neonserv_cmd_unban) {
  20     char *mask, *nextmask;
  21     struct ModeBuffer *modeBuf;
  22     modeBuf = initModeBuffer(client, chan);
  23     nextmask = merge_argv_char(argv, 0, argc, ',');
  24     struct neonserv_cmd_unban_cache *cache = malloc(sizeof(*cache));
  25     if (!cache) {
  26         perror("malloc() failed");
  27         return;
  28     }
  29     cache->client = client;
  30     cache->textclient = getTextBot();
  31     cache->user = user;
  32     cache->chan = chan;
  33     cache->event = event;
  34     cache->modeBuf = modeBuf;
  35     cache->done_masks = 0;
  36     cache->provided_masks = 0;
  37     cache->unbanned_masks = 0;
  38     while((mask = nextmask)) {
  39         nextmask = strstr(mask, ",");
  40         if(nextmask) {
  41             *nextmask = '\0';
  42             nextmask++;
  43         }
  44         cache->provided_masks++;
  45         if(is_valid_nick(mask)) {
  46             struct UserNode *cuser = getUserByNick(mask);
  47             if(!cuser) {
  48                 cuser = createTempUser(mask);
  49                 cuser->flags |= USERFLAG_ISTMPUSER;
  50                 get_userauth(cuser, neonserv_cmd_unban_userauth_lookup, cache);
  51                 cache->pending_whos++;
  52             } else {
  53                 neonserv_cmd_unban_nick(cache, cuser);
  54             }
  55         } else {
  56             neonserv_cmd_unban_mask(cache, mask);
  57         }
  58     }
  59     if(!cache->pending_whos)
  60         neonserv_cmd_unban_finish(cache);
  61 }
  62
  63 static USERAUTH_CALLBACK(neonserv_cmd_unban_userauth_lookup) {
  64     struct neonserv_cmd_unban_cache *cache = data;
  65     cache->pending_whos--;
  66     if(user)
  67         neonserv_cmd_unban_nick(cache, user);
  68     else
  69         neonserv_cmd_unban_mask(cache, user_nick);
  70     if(!cache->pending_whos)
  71         neonserv_cmd_unban_finish(cache);
  72 }
  73
  74 static void neonserv_cmd_unban_nick(struct neonserv_cmd_unban_cache *cache, struct UserNode *user) {
  75     int matches = 0;
  76     struct BanNode *ban;
  77     char usermask[NICKLEN+USERLEN+HOSTLEN+3];
  78     sprintf(usermask, "%s!%s@%s", user->nick, user->ident, user->host);
  79     for(ban = cache->chan->bans; ban; ban = ban->next) {
  80         if(!match(ban->mask, usermask)) {
  81             modeBufferUnban(cache->modeBuf, ban->mask);
  82             cache->unbanned_masks++;
  83             matches++;
  84         }
  85     }
  86     if(matches)
  87         cache->done_masks++;
  88 }
  89
  90 static void neonserv_cmd_unban_mask(struct neonserv_cmd_unban_cache *cache, char *mask) {
  91     char banmask[NICKLEN+USERLEN+HOSTLEN+3];
  92     int matches = 0;
  93     struct BanNode *ban;
  94     mask = make_banmask(mask, banmask);
  95     for(ban = cache->chan->bans; ban; ban = ban->next) {
  96         if(!match(mask, ban->mask)) {
  97             modeBufferUnban(cache->modeBuf, ban->mask);
  98             cache->unbanned_masks++;
  99             matches++;
 100         }
 101     }
 102     if(matches)
 103         cache->done_masks++;
 104     else {
 105         for(ban = cache->chan->bans; ban; ban = ban->next) {
 106             if(!match(ban->mask, mask)) {
 107                 reply(cache->textclient, cache->user, "NS_DELBAN_BANNED_BY", mask, ban->mask);
 108                 break;
 109             }
 110         }
 111     }
 112 }
 113
 114 static void neonserv_cmd_unban_finish(struct neonserv_cmd_unban_cache *cache) {
 115     freeModeBuffer(cache->modeBuf);
 116     if(cache->done_masks == cache->provided_masks)
 117         reply(cache->textclient, cache->user, "NS_UNBAN_DONE", cache->unbanned_masks, cache->chan->name);
 118     else
 119         reply(cache->textclient, cache->user, "NS_UNBAN_FAIL", cache->client->user->nick);
 120     if(cache->done_masks)
 121         logEvent(cache->event);
 122     free(cache);
 123 }
 124