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# SPDX-License-Identifier: GPL-2.0-or-later
# Defines basic Tcl procs for OpenOCD server modules
# Handle GDB 'R' packet. Can be overridden by configuration script,
# but it's not something one would expect target scripts to do
# normally
proc ocd_gdb_restart {target_id} {
# Fix!!! we're resetting all targets here! Really we should reset only
# one target
reset halt
}
lappend _telnet_autocomplete_skip prevent_cps
lappend _telnet_autocomplete_skip POST
lappend _telnet_autocomplete_skip Host:
proc prevent_cps {} {
echo "Possible SECURITY ATTACK detected."
echo "It looks like somebody is sending POST or Host: commands to OpenOCD."
echo "This is likely due to an attacker attempting to use Cross Protocol Scripting"
echo "to compromise your OpenOCD instance. Connection aborted."
exit
}
proc POST {args} { prevent_cps }
proc Host: {args} { prevent_cps }
# list of commands we don't want to appear in autocomplete
lappend _telnet_autocomplete_skip _telnet_autocomplete_helper
# helper for telnet autocomplete
proc _telnet_autocomplete_helper pattern {
set cmds [info commands $pattern]
# skip matches in variable '_telnet_autocomplete_skip'
foreach skip $::_telnet_autocomplete_skip {
foreach n [lsearch -all -regexp $cmds "^$skip\$"] {
set cmds [lreplace $cmds $n $n]
}
}
return [lsort $cmds]
}
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