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