extensions/extb_usermode.c

   1 /*
   2  * Usermode extban type: bans all users with a specific usermode
   3  * -- nenolod
   4  */
   5
   6 #include "stdinc.h"
   7 #include "modules.h"
   8 #include "hook.h"
   9 #include "client.h"
  10 #include "ircd.h"
  11 #include "send.h"
  12 #include "hash.h"
  13 #include "s_conf.h"
  14 #include "s_user.h"
  15 #include "s_serv.h"
  16 #include "numeric.h"
  17
  18 static int _modinit(void);
  19 static void _moddeinit(void);
  20 static int eb_usermode(const char *data, struct Client *client_p, struct Channel *chptr, long mode_type);
  21
  22 DECLARE_MODULE_AV1(extb_usermode, _modinit, _moddeinit, NULL, NULL, NULL, "$Revision: 1299 $");
  23
  24 static int
  25 _modinit(void)
  26 {
  27         extban_table['m'] = eb_usermode;
  28
  29         return 0;
  30 }
  31
  32 static void
  33 _moddeinit(void)
  34 {
  35         extban_table['m'] = NULL;
  36 }
  37
  38 static int eb_usermode(const char *data, struct Client *client_p,
  39                 struct Channel *chptr, long mode_type)
  40 {
  41         int dir = MODE_ADD;
  42         unsigned int modes_ack = 0, modes_nak = 0;
  43         const char *p;
  44
  45         (void)chptr;
  46
  47         /* $m must have a specified mode */
  48         if (data == NULL)
  49                 return EXTBAN_INVALID;
  50
  51         for (p = data; *p != '\0'; p++)
  52         {
  53                 switch (*p)
  54                 {
  55                 case '+':
  56                         dir = MODE_ADD;
  57                         break;
  58                 case '-':
  59                         dir = MODE_DEL;
  60                         break;
  61                 default:
  62                         switch (dir)
  63                         {
  64                         case MODE_DEL:
  65                                 modes_nak |= user_modes[(unsigned char) *p];
  66                                 break;
  67                         case MODE_ADD:
  68                         default:
  69                                 modes_ack |= user_modes[(unsigned char) *p];
  70                                 break;
  71                         }
  72                         break;
  73                 }
  74         }
  75
  76         return ((client_p->umodes & modes_ack) == modes_ack &&
  77                         !(client_p->umodes & modes_nak)) ?
  78                 EXTBAN_MATCH : EXTBAN_NOMATCH;
  79 }