detect/transform: from_base64 transform #10944
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Refactor utility functions/definitions from the byte_math module into the parser module. This includes parse_var and ResultValue Issue: 6487
Issue: 6487 Implement from_base64 option parsing in Rust. The Rust module also contains unit tests.
Issue: 6487
Implement the from_base64 transform:
[bytes value] [offset value] [mode strict|rfc4648|rfc2045]
The value for bytes and offset may be a byte_ variable or an
unsigned integer.
Issue: 6487 To avoid ambiguity, a single definition for base 64 decoding modes will be used. The Rust base64 transform contains the definitions for the existing mode types: Strict, RFC2045, RFC4648
Issue: 6487 Add a note recommending usage of the new from_base64 transform over base64_decode/base64_data.
jlucovsky
requested review from
jasonish,
jufajardini and
victorjulien
as code owners
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Information: ERROR: QA failed on SURI_TLPW2_autofp_suri_time. ERROR: QA failed on SURI_TLPR1_suri_time.
Pipeline 20324 |
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ERROR: ERROR: QA failed on build_asan. Pipeline 20355 |
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Continued in #10972 |
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Continuation of #10707
This PR provides the
from_base64transform used to match on content decoded with base64 using the mode (default rfc4648).Link to redmine ticket: 6487
Describe changes:
from_base64Updates:
Provide values to any of the below to override the defaults.
To use a pull request use a branch name like
pr/NwhereNis thepull request number.
Alternatively,
SV_BRANCHmay also be a link to anOISF/suricata-verify pull-request.
SV_BRANCH=OISF/suricata-verify#1670