src/cmd_neonserv_unban.c

   1
   2 #include "cmd_neonserv.h"
   3
   4 /*
   5 * argv[0-*]    nick[,*auth[,*!*@mask[...]]]
   6 */
   7 struct neonserv_cmd_unban_cache {
   8     struct ClientSocket *client, *textclient;
   9     struct UserNode *user;
  10     struct ChanNode *chan;
  11     struct Event *event;
  12     struct ModeBuffer *modeBuf;
  13     int provided_masks, done_masks, pending_whos, unbanned_masks;
  14 };
  15
  16 static USERAUTH_CALLBACK(neonserv_cmd_unban_userauth_lookup);
  17 static void neonserv_cmd_unban_nick(struct neonserv_cmd_unban_cache *cache, struct UserNode *user);
  18 static void neonserv_cmd_unban_mask(struct neonserv_cmd_unban_cache *cache, char *mask);
  19 static void neonserv_cmd_unban_finish(struct neonserv_cmd_unban_cache *cache);
  20
  21 CMD_BIND(neonserv_cmd_unban) {
  22     char *mask, *nextmask;
  23     struct ModeBuffer *modeBuf;
  24     modeBuf = initModeBuffer(client, chan);
  25     nextmask = merge_argv_char(argv, 0, argc, ',');
  26     struct neonserv_cmd_unban_cache *cache = malloc(sizeof(*cache));
  27     if (!cache) {
  28         perror("malloc() failed");
  29         return;
  30     }
  31     cache->client = client;
  32     cache->textclient = getTextBot();
  33     cache->user = user;
  34     cache->chan = chan;
  35     cache->event = event;
  36     cache->modeBuf = modeBuf;
  37     cache->done_masks = 0;
  38     cache->provided_masks = 0;
  39     cache->unbanned_masks = 0;
  40     while((mask = nextmask)) {
  41         nextmask = strstr(mask, ",");
  42         if(nextmask) {
  43             *nextmask = '\0';
  44             nextmask++;
  45         }
  46         cache->provided_masks++;
  47         if(is_valid_nick(mask)) {
  48             struct UserNode *cuser = getUserByNick(mask);
  49             if(!cuser) {
  50                 cuser = createTempUser(mask);
  51                 cuser->flags |= USERFLAG_ISTMPUSER;
  52                 get_userauth(cuser, neonserv_cmd_unban_userauth_lookup, cache);
  53                 cache->pending_whos++;
  54             } else {
  55                 neonserv_cmd_unban_nick(cache, cuser);
  56             }
  57         } else {
  58             neonserv_cmd_unban_mask(cache, mask);
  59         }
  60     }
  61     if(!cache->pending_whos)
  62         neonserv_cmd_unban_finish(cache);
  63 }
  64
  65 static USERAUTH_CALLBACK(neonserv_cmd_unban_userauth_lookup) {
  66     struct neonserv_cmd_unban_cache *cache = data;
  67     cache->pending_whos--;
  68     if(user)
  69         neonserv_cmd_unban_nick(cache, user);
  70     else
  71         neonserv_cmd_unban_mask(cache, user_nick);
  72     if(!cache->pending_whos)
  73         neonserv_cmd_unban_finish(cache);
  74 }
  75
  76 static void neonserv_cmd_unban_nick(struct neonserv_cmd_unban_cache *cache, struct UserNode *user) {
  77     int matches = 0;
  78     struct BanNode *ban;
  79     char usermask[NICKLEN+USERLEN+HOSTLEN+3];
  80     sprintf(usermask, "%s!%s@%s", user->nick, user->ident, user->host);
  81     for(ban = cache->chan->bans; ban; ban = ban->next) {
  82         if(!match(ban->mask, usermask)) {
  83             modeBufferUnban(cache->modeBuf, ban->mask);
  84             cache->unbanned_masks++;
  85             matches++;
  86         }
  87     }
  88     if(matches)
  89         cache->done_masks++;
  90 }
  91
  92 static void neonserv_cmd_unban_mask(struct neonserv_cmd_unban_cache *cache, char *mask) {
  93     char banmask[NICKLEN+USERLEN+HOSTLEN+3];
  94     int matches = 0;
  95     struct BanNode *ban;
  96     mask = make_banmask(mask, banmask);
  97     for(ban = cache->chan->bans; ban; ban = ban->next) {
  98         if(!match(mask, ban->mask)) {
  99             modeBufferUnban(cache->modeBuf, ban->mask);
 100             cache->unbanned_masks++;
 101             matches++;
 102         }
 103     }
 104     if(matches)
 105         cache->done_masks++;
 106     else {
 107         for(ban = cache->chan->bans; ban; ban = ban->next) {
 108             if(!match(ban->mask, mask)) {
 109                 reply(cache->textclient, cache->user, "NS_DELBAN_BANNED_BY", mask, ban->mask);
 110                 break;
 111             }
 112         }
 113     }
 114 }
 115
 116 static void neonserv_cmd_unban_finish(struct neonserv_cmd_unban_cache *cache) {
 117     freeModeBuffer(cache->modeBuf);
 118     if(cache->done_masks == cache->provided_masks)
 119         reply(cache->textclient, cache->user, "NS_UNBAN_DONE", cache->unbanned_masks, cache->chan->name);
 120     else
 121         reply(cache->textclient, cache->user, "NS_UNBAN_FAIL", cache->client->user->nick);
 122     if(cache->done_masks)
 123         logEvent(cache->event);
 124     free(cache);
 125 }
 126