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0829c167cc
Basic support, can also do CER and DER but without any extra validation. No schema support. Redo format doc.md usage a bit, now format/<dir>/<format>.md instead. Related to #20
230 lines
4.6 KiB
Markdown
230 lines
4.6 KiB
Markdown
# fq
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Tool, language and decoders for working with binary data.
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In most cases fq works the same way as jq but instead of reading JSON it reads binary data.
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The result is a JSON compatible structure where values have a bit range, can have symbolic
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values and know how to be presented in a useful ways.
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It was initially developed to debug, inspect and query media files but has since been extended
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to handle a variety of binary formats.
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You can pronounce the name as you wish, I pronounce jq /‘dʒei’kju:/ so I usually pronounce fq /‘ef’kju:/.
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**NOTE:** fq is still early in development so some things are broken or do not make sense.
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That also means that there is a great opportunity to help out!
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### Goals
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- Make binaries accessible, queryable and sliceable.
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- Nested formats and bit-oriented decoding.
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- Quick and comfortable CLI tool.
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- Bits and bytes transformations.
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### Hopes
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- Make it useful enough that people want to help improve it.
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- Inspire people to create similar tools.
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### Supported formats
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[./formats_list.jq]: sh-start
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aac_frame,
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adts,
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adts_frame,
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apev2,
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ar,
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asn1_ber,
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av1_ccr,
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av1_frame,
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av1_obu,
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avc_annexb,
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avc_au,
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avc_dcr,
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avc_nalu,
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avc_pps,
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avc_sei,
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avc_sps,
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bencode,
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bsd_loopback_frame,
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bson,
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bzip2,
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cbor,
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dns,
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dns_tcp,
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elf,
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ether8023_frame,
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exif,
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flac,
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flac_frame,
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flac_metadatablock,
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flac_metadatablocks,
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flac_picture,
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flac_streaminfo,
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gif,
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gzip,
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hevc_annexb,
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hevc_au,
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hevc_dcr,
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hevc_nalu,
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icc_profile,
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icmp,
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id3v1,
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id3v11,
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id3v2,
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ipv4_packet,
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jpeg,
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json,
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matroska,
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mp3,
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mp3_frame,
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mp4,
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mpeg_asc,
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mpeg_es,
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mpeg_pes,
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mpeg_pes_packet,
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mpeg_spu,
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mpeg_ts,
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msgpack,
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ogg,
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ogg_page,
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opus_packet,
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pcap,
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pcapng,
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png,
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protobuf,
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protobuf_widevine,
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pssh_playready,
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raw,
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sll2_packet,
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sll_packet,
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tar,
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tcp_segment,
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tiff,
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udp_datagram,
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vorbis_comment,
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vorbis_packet,
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vp8_frame,
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vp9_cfm,
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vp9_frame,
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vpx_ccr,
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wav,
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webp,
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xing,
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zip
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[#]: sh-end
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For details see [formats.md](doc/formats.md)
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## Usage
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Basic usage is `fq . file`.
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For more details see [usage.md](doc/usage.md)
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## Install
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Use one of the methods listed below or download [release](https://github.com/wader/fq/releases)
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for your platform. Unarchive it and move the executable to `PATH` etc.
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On macOS if don't install using a method below you might have to manually allow the binary to run.
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This can be done by trying to run the binary, ignore the warning and then go into security preference
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and allow it. Or you can run this command:
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```sh
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xattr -d com.apple.quarantine fq && spctl --add fq
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```
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### Homebrew
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```sh
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# install latest release
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brew install wader/tap/fq
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```
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### Arch Linux
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`fq` can be installed from the [community repository](https://archlinux.org/packages/community/x86_64/fq/) using [pacman](https://wiki.archlinux.org/title/Pacman):
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```sh
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pacman -S fq
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```
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You can also build and install the development (VCS) package using an [AUR helper](https://wiki.archlinux.org/index.php/AUR_helpers):
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```sh
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paru -S fq-git
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```
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### Nix
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```sh
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nix-shell -p fq
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```
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### FreeBSD
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Use the [fq](https://cgit.freebsd.org/ports/tree/misc/fq) port.
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### Alpine
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Currently in edge testing but should work fine in stable also.
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```
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apk add -X http://dl-cdn.alpinelinux.org/alpine/edge/testing fq
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```
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### Build from source
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Make sure you have go 1.17 or later installed.
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To install directly from git repository do:
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```sh
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# build and install latest release
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go install github.com/wader/fq@latest
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# or build and install latest master
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go install github.com/wader/fq@master
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# copy binary to $PATH if needed
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cp "$(go env GOPATH)/bin/fq" /usr/local/bin
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```
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To run and run tests from source directory:
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```sh
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# run all tests and build binary
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make test fq
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# it's also possible to use go run
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go run fq.go
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```
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## TODO and ideas
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See [TODO.md](doc/TODO.md)
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## Development
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See [dev.md](doc/dev.md)
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## Thanks and related projects
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This project would not have been possible without [itchyny](https://github.com/itchyny)'s
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jq implementation [gojq](https://github.com/itchyny/gojq). I also want to thank
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[HexFiend](https://github.com/HexFiend/HexFiend) for inspiration and ideas and [stedolan](https://github.com/stedolan)
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for inventing the [jq](https://github.com/stedolan/jq) language.
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### Similar or related projects
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- [HexFiend](https://github.com/HexFiend/HexFiend)
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- [binspector](https://github.com/binspector/binspector)
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- [kaitai](https://kaitai.io)
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- [Wireshark](https://www.wireshark.org) (specially `tshark -T json`)
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- [MediaInfo](https://mediaarea.net/en/MediaInfo) (specially `mediainfo --Output=JSON` and `mediainfo --Details=1`)
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- [GNU poke](https://www.jemarch.net/poke)
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- [ffmpeg/ffprobe](https://ffmpeg.org)
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- [hexdump](https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/tree/text-utils/hexdump.c)
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