chanserv/chancmds/giveowner.c

   1 /*
   2  * CMDNAME: giveowner
   3  * CMDLEVEL: QCMD_AUTHED
   4  * CMDARGS: 3
   5  * CMDDESC: Gives total control over a channel to another user.
   6  * CMDFUNC: csc_dogiveowner
   7  * CMDPROTO: int csc_dogiveowner(void *source, int cargc, char **cargv);
   8  */
   9
  10 #include "../chanserv.h"
  11 #include "../../nick/nick.h"
  12 #include "../../lib/flags.h"
  13 #include "../../lib/irc_string.h"
  14 #include "../../channel/channel.h"
  15 #include "../../parser/parser.h"
  16 #include "../../irc/irc.h"
  17 #include "../../localuser/localuserchannel.h"
  18 #include <string.h>
  19 #include <stdio.h>
  20
  21 int csc_dogiveowner(void *source, int cargc, char **cargv) {
  22   nick *sender=source;
  23   chanindex *cip;
  24   regchan *rcp;
  25   regchanuser *rcup;
  26   reguser *rup=getreguserfromnick(sender), *target;
  27   char flagbuf[30];
  28   flag_t oldflags;
  29   unsigned int thehash;
  30   char hashstr[100];
  31
  32   if (cargc<2) {
  33     chanservstdmessage(sender, QM_NOTENOUGHPARAMS, "giveowner");
  34     return CMD_ERROR;
  35   }
  36
  37   /* You need to either be +n or have the relevant override... */
  38   if (!(cip=cs_checkaccess(sender, cargv[0], CA_OWNERPRIV,
  39                            NULL, "chanlev", QPRIV_CHANGECHANLEV, 0)))
  40     return CMD_ERROR;
  41
  42   rcp=cip->exts[chanservext];
  43
  44   if (!(target=findreguser(sender, cargv[1])))
  45     return CMD_ERROR; /* If there was an error, findreguser will have sent a message saying why.. */
  46
  47   rcup=findreguseronchannel(rcp, target);
  48
  49   /* You can only promote a master */
  50   if (!rcup || !(rcup->flags & QCUFLAG_MASTER)) {
  51     chanservstdmessage(sender,QM_GIVEOWNERNOTMASTER,target->username,cip->name->content);
  52     return CMD_ERROR;
  53   }
  54
  55   /* Can't promote if already owner */
  56   if (rcup->flags & QCUFLAG_OWNER) {
  57     chanservstdmessage(sender,QM_GIVEOWNERALREADYOWNER,target->username,cip->name->content);
  58     return CMD_ERROR;
  59   }
  60
  61   /* Compute ze hash */
  62   sprintf(hashstr,"%u.%u.%u",rcp->ID,target->ID,rup->ID);
  63   thehash=crc32(hashstr);
  64
  65   sprintf(hashstr,"%x",thehash);
  66
  67   if (cargc<3) {
  68     chanservstdmessage(sender,QM_GIVEOWNERNEEDHASH,cip->name->content,target->username,
  69                             cip->name->content,target->username,hashstr);
  70     return CMD_OK;
  71   }
  72
  73   if (ircd_strcmp(cargv[2], hashstr)) {
  74     chanservstdmessage(sender,QM_GIVEOWNERWRONGHASH,target->username,
  75                             cip->name->content);
  76     return CMD_ERROR;
  77   }
  78
  79   /* OK, hash matches, do it. */
  80   oldflags = rcup->flags;
  81   rcup->flags |= QCUFLAG_OWNER;
  82
  83   chanservstdmessage(sender,QM_DONE);
  84
  85   strcpy(flagbuf,printflags(oldflags,rcuflags));
  86   cs_log(sender,"GIVEOWNER %s #%s (%s -> %s)",cip->name->content,rcup->user->username,
  87              flagbuf,printflags(rcup->flags,rcuflags));
  88
  89   csdb_chanlevhistory_insert(rcp, sender, rcup->user, oldflags, rcup->flags);
  90   csdb_updatechanuser(rcup);
  91
  92   return CMD_OK;
  93 }