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