dcc whois.tcl

# This script should not be used with Eggdrop versions 1.6.16 - 1.6.19.
catch {set numversion}
if {([info exists numversion]) &&
    ($numversion >= 1061600) && ($numversion <= 1061900)} then {
  putlog "Error: dccwhois.tcl is not compatible with Eggdrop version [lindex $version 0]. Please upgrade to 1.6.20 or later."
  return
}


#
# dcc:whois --
#
# Wrapper proc command for Eggdrop's built-in *dcc:whois
#
# Arguments:
#   hand - handle of user who used this command
#   idx - dcc idx of user who used this command
#   arg - arguments passed to this command
#
# Results:
#   Calls Eggdrop's built-in *dcc:whois with the given arguments if user has
#   access, otherwise tells the user they don't have access.
#
proc dcc:whois {hand idx arg} {
  global dccwhois_flags

  set arg [split [string trimright $arg]]
  set who [lindex $arg 0]

  # Did user gave a handle other than their own?
  if {([string compare "" $who]) &&
      ([string compare [string toupper $hand] [string toupper $who]])} then {

    # Get user's current .console channel; check the same way Eggdrop does.
    set chan [lindex [console $idx] 0]

    # User isn't allowed to '.whois' handles other than their own.
    if {![matchattr $hand $dccwhois_flags $chan]} then {
      putdcc $idx "You do not have access to whois handles other than your own."

      return 0
    }
  }

  # Call built-in whois command.
  *dcc:whois $hand $idx $arg

  # Return 0 so we don't log command twice.
  return 0
}


#
# init_dccwhois --
#
# Initialize dccwhois script-specific code when script is loaded
#
# Arguments:
#   (none)
#
# Results:
#   Set up command bindings and store command access flags.
#
proc init_dccwhois {} {
  global dccwhois_flags

  putlog "Loading dccwhois.tcl..."

  # Sanity check...
  if {[array exists dccwhois_flags]} then {
    array unset dccwhois_flags
  }

  # Search binds for built-in '*dcc:whois' and loop over each bind in list
  foreach bind [binds "\\*dcc:whois"] {

    # dcc to|o whois 0 *dcc:whois
    foreach {type flags name count command} $bind {break}

    # We only want to unbind dcc '.whois'
    if {[string compare $name "whois"]} then {
      continue
    }

    # Store $flags so we can reuse them later
    set dccwhois_flags $flags

    # Unbind built-in *dcc:whois
    unbind $type $flags $name $command
  }

  # Make sure $dccwhois_flags exists and isn't empty,
  # otherwise set to Eggdrop's default "to|o"
  if {(![info exists dccwhois_flags]) ||
      (![string compare "" $dccwhois_flags])} then {
    set dccwhois_flags "to|o"
  }

  # Add bind for dcc:whois wrapper proc
  bind dcc -|- whois dcc:whois

  putlog "Loaded dccwhois.tcl"

  return
}

init_dccwhois