michael@795: #
michael@795: # tftpd.remap -- TFTP Daemon Path Remapping
michael@795: #
michael@795: # This file has three fields: operation, regex, remapping
michael@795: #
michael@795: # The operation is a combination of the following letters:
michael@795: #
michael@795: # r - rewrite the matched string with the remapping pattern
michael@795: # i - case-insensitive matching
michael@795: # g - repeat until no match (used with "r")
michael@795: # e - exit (with success) if we match this pattern, do not process
michael@795: #     subsequent rules
michael@795: # s - start over from the first rule if we match this pattern
michael@795: # a - abort (refuse the request) if we match this rule
michael@795: # G - this rule applies to TFTP GET requests only
michael@795: # P - this rule applies to TFTP PUT requests only
michael@795: #
michael@795: # The regex is a regular expression in the style of egrep(1).
michael@795: #
michael@795: # The remapping is a pattern, all characters are verbatim except \
michael@795: # \0 copies the full string that matched the regex
michael@795: # \1..\9 copies the 9 first (..) expressions in the regex
michael@795: # \\ is an escaped \
michael@795: #
michael@795: # "#" begins a comment, unless \-escaped
michael@795: #
michael@795: ri	^[a-z]:					# Remove drive letters
michael@795: rg	\\		/				# Convert backslashes to slashes
michael@795: rg	\#		@				# Convert hash marks to @ signs
michael@795: rg	/../		/..no../	# Convert /../ to /..no../
michael@795: e	^incoming/				# These are always ok
michael@795: r	^[^/]		/\0			# Convert nonabsolute files
michael@795: a	^\.						# Reject requests for hidden files