diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/FILEFORMAT.md | 13 | ||||
| -rwxr-xr-x | tests/runtests.pl | 7 |
2 files changed, 20 insertions, 0 deletions
diff --git a/tests/FILEFORMAT.md b/tests/FILEFORMAT.md index 09600d016..7748b6706 100644 --- a/tests/FILEFORMAT.md +++ b/tests/FILEFORMAT.md @@ -40,6 +40,19 @@ server's port number (in ASCII) followed by a space and the hexadecimal byte %b64[%HTTPPORT %9a]b64% +## Hexadecimal decoding + +In the preprocess stage, a special instruction can be used to have runtests.pl +generate a sequence of binary bytes. + +To insert a sequence of bytes from a hex encoded string, use this syntax: + + %hex[ %XX-encoded data to decode ]hex% + +For example, to insert the binary octets 0, 1 and 255 into the test file: + + %hex[ %00%01%FF ]hex% + # Variables When the test is preprocessed, a range of "variables" in the test file will be diff --git a/tests/runtests.pl b/tests/runtests.pl index 49b318dc7..325522182 100755 --- a/tests/runtests.pl +++ b/tests/runtests.pl @@ -3304,6 +3304,13 @@ sub subBase64 { # put the result into there $$thing =~ s/%%B64%%/$enc/; } + # hex decode + if($$thing =~ s/%hex\[(.*)\]hex%/%%HEX%%/i) { + # decode %NN characters + my $d = $1; + $d =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; + $$thing =~ s/%%HEX%%/$d/; + } } sub fixarray { |