gzip: fix handling of concatenated payloads #10204
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edsiper
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Signed-off-by: Eduardo Silva <eduardo@chronosphere.io>
Signed-off-by: Eduardo Silva <eduardo@chronosphere.io>
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May 8, 2025 08:28
The implementation of flb_gzip_count is flawed as it relies on looking for valid gzip headers. A gzip payload can be generated that includes a valid gzip header in the gzip body - see test_header_in_gzip_body. Removed flb_gzip_count and associated handling in favor of utilizing mz_inflate to find the boundaries between concatenated gzip payloads during decompression. mz_inflate will stop when it reaches the end of the gzip body and mz_stream.in_avail contains the bytes left in the buffer for processing. Signed-off-by: Brandon Strub <brandon.strub@veritas.com>
Utilize new flb_gzip_uncompress_multi method to support concatenated gzip payloads. Signed-off-by: Brandon Strub <brandon.strub@veritas.com>
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Fixes #9058
Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.