extensions/m_privs.c

   1 /*
   2  * m_privs.c: Shows effective operator privileges
   3  *
   4  * Copyright (C) 2008 Jilles Tjoelker
   5  * Copyright (C) 2008 charybdis development team
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met:
  10  *
  11  * 1.Redistributions of source code must retain the above copyright notice,
  12  *   this list of conditions and the following disclaimer.
  13  * 2.Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  * 3.The name of the author may not be used to endorse or promote products
  17  *   derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  23  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  28  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include "stdinc.h"
  33 #include "client.h"
  34 #include "common.h"
  35 #include "numeric.h"
  36 #include "send.h"
  37 #include "msg.h"
  38 #include "parse.h"
  39 #include "modules.h"
  40 #include "s_conf.h"
  41 #include "s_newconf.h"
  42
  43 #define RPL_PRIVS 270 /* from ircu */
  44
  45 static int me_privs(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
  46 static int mo_privs(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
  47
  48 struct Message privs_msgtab = {
  49         "PRIVS", 0, 0, 0, MFLG_SLOW,
  50         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_privs, 0}, {mo_privs, 0}}
  51 };
  52
  53 mapi_clist_av1 privs_clist[] = {
  54         &privs_msgtab,
  55         NULL
  56 };
  57
  58 /* XXX this is a copy, not so nice */
  59 struct mode_table
  60 {
  61         const char *name;
  62         int mode;
  63 };
  64
  65 static struct mode_table oper_table[] = {
  66         /*{"encrypted",         OPER_ENCRYPTED          },*/
  67         {"local_kill",          OPER_LOCKILL            },
  68         {"global_kill",         OPER_GLOBKILL/*|OPER_LOCKILL*/  },
  69         {"remote",              OPER_REMOTE             },
  70         {"kline",               OPER_KLINE              },
  71         {"unkline",             OPER_UNKLINE            },
  72         {"gline",               OPER_GLINE              },
  73         {"nick_changes",        OPER_NICKS              },
  74         {"rehash",              OPER_REHASH             },
  75         {"die",                 OPER_DIE                },
  76         {"admin",               OPER_ADMIN              },
  77         {"hidden_admin",        OPER_HADMIN             },
  78         {"xline",               OPER_XLINE              },
  79         {"resv",                OPER_RESV               },
  80         {"operwall",            OPER_OPERWALL           },
  81         {"oper_spy",            OPER_SPY                },
  82         {"hidden_oper",         OPER_INVIS              },
  83         {"remoteban",           OPER_REMOTEBAN          },
  84         {"mass_notice",         OPER_MASSNOTICE         },
  85         {NULL, 0}
  86 };
  87
  88 /* there is no such table like this anywhere else */
  89 static struct mode_table auth_client_table[] = {
  90         {"resv_exempt",         FLAGS2_EXEMPTRESV       },
  91         {"gline_exempt",        FLAGS2_EXEMPTGLINE      },
  92         {"kline_exempt",        FLAGS2_EXEMPTKLINE      },
  93         {"flood_exempt",        FLAGS2_EXEMPTFLOOD      },
  94         {"spambot_exempt",      FLAGS2_EXEMPTSPAMBOT    },
  95         {"shide_exempt",        FLAGS2_EXEMPTSHIDE      },
  96         {"jupe_exempt",         FLAGS2_EXEMPTJUPE       },
  97         {NULL, 0}
  98 };
  99
 100 DECLARE_MODULE_AV1(privs, NULL, NULL, privs_clist, NULL, NULL, "");
 101
 102 static void show_privs(struct Client *source_p, struct Client *target_p)
 103 {
 104         char buf[512];
 105         struct mode_table *p;
 106
 107         buf[0] = '\0';
 108         p = &oper_table[0];
 109         while (p->name != NULL)
 110         {
 111                 if (target_p->flags2 & p->mode)
 112                 {
 113                         if (buf[0] != '\0')
 114                                 strlcat(buf, " ", sizeof buf);
 115                         strlcat(buf, p->name, sizeof buf);
 116                 }
 117                 p++;
 118         }
 119         if (IsOper(target_p))
 120         {
 121                 if (buf[0] != '\0')
 122                         strlcat(buf, " ", sizeof buf);
 123                 strlcat(buf, "O", sizeof buf);
 124         }
 125         p = &auth_client_table[0];
 126         while (p->name != NULL)
 127         {
 128                 if (target_p->flags2 & p->mode)
 129                 {
 130                         if (buf[0] != '\0')
 131                                 strlcat(buf, " ", sizeof buf);
 132                         strlcat(buf, p->name, sizeof buf);
 133                 }
 134                 p++;
 135         }
 136         sendto_one_numeric(source_p, RPL_PRIVS, "%s :%s", target_p->name, buf);
 137 }
 138
 139 static int me_privs(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 140 {
 141         struct Client *target_p;
 142
 143         if (!IsOper(source_p) || parc < 2 || EmptyString(parv[1]))
 144                 return 0;
 145
 146         /* we cannot show privs for remote clients */
 147         if((target_p = find_person(parv[1])) && MyClient(target_p))
 148                 show_privs(source_p, target_p);
 149
 150         return 0;
 151 }
 152
 153 static int mo_privs(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 154 {
 155         struct Client *target_p;
 156
 157         if (parc < 2 || EmptyString(parv[1]))
 158                 target_p = source_p;
 159         else
 160         {
 161                 target_p = find_named_person(parv[1]);
 162                 if (target_p == NULL)
 163                 {
 164                         sendto_one_numeric(source_p, ERR_NOSUCHNICK,
 165                                            form_str(ERR_NOSUCHNICK), parv[1]);
 166                         return 0;
 167                 }
 168         }
 169
 170         if (MyClient(target_p))
 171                 show_privs(source_p, target_p);
 172         else
 173                 sendto_one(target_p, ":%s ENCAP %s PRIVS %s",
 174                                 get_id(source_p, target_p),
 175                                 target_p->servptr->name,
 176                                 use_id(target_p));
 177         return 0;
 178 }