mirror of
https://github.com/Luzifer/scs-extract.git
synced 2024-12-20 13:31:16 +00:00
Compare commits
6 commits
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1d9338961a
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aff8f97afe
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7324e14da4
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10 changed files with 468 additions and 246 deletions
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@ -1,12 +0,0 @@
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---
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image: "reporunner/golang-alpine"
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checkout_dir: /go/src/github.com/Luzifer/scs-extract
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commands:
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- make publish
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environment:
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CGO_ENABLED: 0
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GO111MODULE: on
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MOD_MODE: readonly
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@ -1,3 +1,11 @@
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# 1.0.1 / 2024-11-25
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* Fix bug in hashing introduced in v1.0.0
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# 1.0.0 / 2024-11-25
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* Adopt to SCS# v2 archive format for v1.50+
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# 0.2.0 / 2019-12-26
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|
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* Add support for locale.scs file
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|
|
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5
Makefile
5
Makefile
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@ -1,5 +0,0 @@
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default:
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publish:
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curl -sSLo golang.sh https://raw.githubusercontent.com/Luzifer/github-publish/master/golang.sh
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bash golang.sh
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@ -1,8 +1,5 @@
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[](https://goreportcard.com/report/github.com/Luzifer/scs-extract)
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# Luzifer / scs-extract
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@ -1,3 +1,7 @@
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// Package b0rkhash contains a broken implementation of the Google
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// CityHash algorithm to access the SCS archive files of ETS2
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//
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//nolint:mnd
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package b0rkhash
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import (
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@ -65,9 +69,9 @@ func hashLen0to16(s []byte, length int) uint64 {
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}
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if length > 0 {
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a := uint8(s[0])
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b := uint8(s[length>>1])
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c := uint8(s[length-1])
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a := s[0]
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b := s[length>>1]
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c := s[length-1]
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y := uint32(a) + (uint32(b) << 8)
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z := uint32(length) + (uint32(c) << 2)
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return shiftMix(uint64(y)*k2^uint64(z)*k3) * k2
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@ -84,7 +88,7 @@ func hashLen17to32(s []byte, length int) uint64 {
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c := fetch64(s[length-8:]) * k2
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d := fetch64(s[length-16:]) * k0
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return hashLen16(rotate(a-b, 43)+rotate(c, 30)+d,
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a+rotate(b^k3, 20)-c+uint64(length))
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a+rotate(b^k3, 20)-c+uint64(length)) //#nosec:G115 // Should never be negative
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}
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// Return a 16-byte hash for 48 bytes. Quick and dirty.
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@ -113,7 +117,7 @@ func weakHashLen32WithSeedsByte(s []byte, a, b uint64) Uint128 {
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// Return an 8-byte hash for 33 to 64 bytes.
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func hashLen33to64(s []byte, length int) uint64 {
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z := fetch64(s[24:])
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a := fetch64(s) + (uint64(length)+fetch64(s[length-16:]))*k0
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a := fetch64(s) + (uint64(length)+fetch64(s[length-16:]))*k0 //#nosec:G115 // Should never be negative
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b := rotate(a+z, 52)
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c := rotate(a, 37)
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a += fetch64(s[8:])
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@ -156,8 +160,8 @@ func CityHash64(s []byte) uint64 {
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x = x*k1 + fetch64(s)
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// Decrease len to the nearest multiple of 64, and operate on 64-byte chunks.
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tmpLength := uint32(length)
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tmpLength = uint32(tmpLength-1) & ^uint32(63)
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tmpLength := uint32(length) //#nosec:G115 // Should never be negative
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tmpLength = (tmpLength - 1) & ^uint32(63)
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for {
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x = rotate(x+y+v.Low64()+fetch64(s[8:]), 37) * k1
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y = rotate(y+v.High64()+fetch64(s[48:]), 42) * k1
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|
|
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21
go.mod
21
go.mod
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@ -1,13 +1,18 @@
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module github.com/Luzifer/scs-extract
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go 1.13
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go 1.22
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toolchain go1.23.2
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require (
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github.com/Luzifer/go_helpers/v2 v2.9.1
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github.com/Luzifer/rconfig/v2 v2.2.1
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github.com/onsi/ginkgo v1.10.2 // indirect
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github.com/onsi/gomega v1.7.0 // indirect
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github.com/pkg/errors v0.8.1
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github.com/sirupsen/logrus v1.4.2
|
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github.com/tenfyzhong/cityhash v0.0.0-20181130044406-4c2731b5918c
|
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github.com/Luzifer/go_helpers/v2 v2.25.0
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github.com/Luzifer/rconfig/v2 v2.5.2
|
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github.com/sirupsen/logrus v1.9.3
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)
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require (
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github.com/spf13/pflag v1.0.5 // indirect
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golang.org/x/sys v0.27.0 // indirect
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gopkg.in/validator.v2 v2.0.1 // indirect
|
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gopkg.in/yaml.v3 v3.0.1 // indirect
|
||||
)
|
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|
|
|
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74
go.sum
74
go.sum
|
|
@ -1,52 +1,32 @@
|
|||
github.com/Luzifer/go_helpers v2.8.1+incompatible h1:9YvrAn7pU2viK5vRpAnI+0gyz+Tw8rxWHVIYHi642zk=
|
||||
github.com/Luzifer/go_helpers/v2 v2.9.1 h1:MVUOlD6tJ2m/iTF0hllnI/QVZH5kI+TikUm1WRGg/c4=
|
||||
github.com/Luzifer/go_helpers/v2 v2.9.1/go.mod h1:ZnWxPjyCdQ4rZP3kNiMSUW/7FigU1X9Rz8XopdJ5ZCU=
|
||||
github.com/Luzifer/rconfig v2.2.0+incompatible h1:Kle3+rshPM7LxciOheaR4EfHUzibkDDGws04sefQ5m8=
|
||||
github.com/Luzifer/rconfig/v2 v2.2.1 h1:zcDdLQlnlzwcBJ8E0WFzOkQE1pCMn3EbX0dFYkeTczg=
|
||||
github.com/Luzifer/rconfig/v2 v2.2.1/go.mod h1:OKIX0/JRZrPJ/ZXXWklQEFXA6tBfWaljZbW37w+sqBw=
|
||||
github.com/Luzifer/go_helpers/v2 v2.25.0 h1:k1J4gd1+BfuokTDoWgcgib9P5mdadjzKEgbtKSVe46k=
|
||||
github.com/Luzifer/go_helpers/v2 v2.25.0/go.mod h1:KSVUdAJAav5cWGyB5oKGxmC27HrKULVTOxwPS/Kr+pc=
|
||||
github.com/Luzifer/rconfig/v2 v2.5.2 h1:4Bfp8mTrCCK/xghUmUbh/qtKiLZA6RC0tHTgqkNw1m4=
|
||||
github.com/Luzifer/rconfig/v2 v2.5.2/go.mod h1:HnqUWg+NQh60/neUqfMDDDo5d1v8UPuhwKR1HqM4VWQ=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
|
||||
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
|
||||
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
|
||||
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
|
||||
github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf/go.mod h1:hyb9oH7vZsitZCiBt0ZvifOrB+qc8PS5IiilCIb87rg=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
|
||||
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
|
||||
github.com/leekchan/gtf v0.0.0-20190214083521-5fba33c5b00b/go.mod h1:thNruaSwydMhkQ8dXzapABF9Sc1Tz08ZBcDdgott9RA=
|
||||
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
|
||||
github.com/onsi/ginkgo v1.10.2 h1:uqH7bpe+ERSiDa34FDOF7RikN6RzXgduUF8yarlZp94=
|
||||
github.com/onsi/ginkgo v1.10.2/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
|
||||
github.com/onsi/gomega v1.7.0 h1:XPnZz8VVBHjVsy1vzJmRwIcSwiUO+JFfrv/xGiigmME=
|
||||
github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
|
||||
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
|
||||
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
|
||||
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
|
||||
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
|
||||
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
|
||||
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
|
||||
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
|
||||
github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
|
||||
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
|
||||
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
|
||||
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
||||
github.com/tenfyzhong/cityhash v0.0.0-20181130044406-4c2731b5918c h1:Y3PUeYj+OuuOy7BnbIvtGOj9YDKjPHsZyN/2AJqN32s=
|
||||
github.com/tenfyzhong/cityhash v0.0.0-20181130044406-4c2731b5918c/go.mod h1:Izvvi9mFtnF9nbPc2Z/gazIliNnYtxOsbQnFYpmxbfc=
|
||||
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA=
|
||||
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
|
||||
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
|
||||
github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
|
||||
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
|
||||
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
|
||||
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
|
||||
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
|
||||
golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
|
||||
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
|
||||
gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19 h1:WB265cn5OpO+hK3pikC9hpP1zI/KTwmyMFKloW9eOVc=
|
||||
gopkg.in/validator.v2 v2.0.0-20180514200540-135c24b11c19/go.mod h1:o4V0GXN9/CAmCsvJ0oXYZvrZOe7syiDZSN1GWGZTGzc=
|
||||
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
|
||||
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
|
||||
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
|
||||
gopkg.in/validator.v2 v2.0.1 h1:xF0KWyGWXm/LM2G1TrEjqOu4pa6coO9AlWSf3msVfDY=
|
||||
gopkg.in/validator.v2 v2.0.1/go.mod h1:lIUZBlB3Im4s/eYp39Ry/wkR02yOPhZ9IwIRBjuPuG8=
|
||||
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
|
|
|
|||
83
main.go
83
main.go
|
|
@ -9,9 +9,11 @@ import (
|
|||
"github.com/Luzifer/go_helpers/v2/str"
|
||||
"github.com/Luzifer/rconfig/v2"
|
||||
"github.com/Luzifer/scs-extract/scs"
|
||||
log "github.com/sirupsen/logrus"
|
||||
"github.com/sirupsen/logrus"
|
||||
)
|
||||
|
||||
const dirPermissions = 0x750
|
||||
|
||||
var (
|
||||
cfg = struct {
|
||||
Dest string `flag:"dest,d" default:"." description:"Path prefix to use to extract files to"`
|
||||
|
|
@ -23,24 +25,32 @@ var (
|
|||
version = "dev"
|
||||
)
|
||||
|
||||
func init() {
|
||||
if err := rconfig.ParseAndValidate(&cfg); err != nil {
|
||||
log.Fatalf("Unable to parse commandline options: %s", err)
|
||||
func initApp() (err error) {
|
||||
if err = rconfig.ParseAndValidate(&cfg); err != nil {
|
||||
return fmt.Errorf("parsing CLI options: %w", err)
|
||||
}
|
||||
|
||||
l, err := logrus.ParseLevel(cfg.LogLevel)
|
||||
if err != nil {
|
||||
return fmt.Errorf("parsing log-level: %w", err)
|
||||
}
|
||||
logrus.SetLevel(l)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
//nolint:gocyclo // simple loop routine, fine to understand
|
||||
func main() {
|
||||
var err error
|
||||
if err = initApp(); err != nil {
|
||||
logrus.WithError(err).Fatal("initializing app")
|
||||
}
|
||||
|
||||
if cfg.VersionAndExit {
|
||||
fmt.Printf("scs-extract %s\n", version)
|
||||
fmt.Printf("scs-extract %s\n", version) //nolint:forbidigo
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
if l, err := log.ParseLevel(cfg.LogLevel); err != nil {
|
||||
log.WithError(err).Fatal("Unable to parse log level")
|
||||
} else {
|
||||
log.SetLevel(l)
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
var (
|
||||
archive string
|
||||
extract []string
|
||||
|
|
@ -49,9 +59,9 @@ func main() {
|
|||
switch len(rconfig.Args()) {
|
||||
case 1:
|
||||
// No positional arguments
|
||||
log.Fatal("No SCS archive given")
|
||||
logrus.Fatal("no SCS archive given")
|
||||
|
||||
case 2:
|
||||
case 2: //nolint:mnd
|
||||
archive = rconfig.Args()[1]
|
||||
|
||||
default:
|
||||
|
|
@ -59,32 +69,32 @@ func main() {
|
|||
extract = rconfig.Args()[2:]
|
||||
}
|
||||
|
||||
f, err := os.Open(archive)
|
||||
f, err := os.Open(archive) //#nosec:G304 // Intended to open arbitrary files
|
||||
if err != nil {
|
||||
log.WithError(err).Fatal("Unable to open input file")
|
||||
logrus.WithError(err).Fatal("opening input file")
|
||||
}
|
||||
defer f.Close()
|
||||
defer f.Close() //nolint:errcheck // will be closed by program exit
|
||||
|
||||
r, err := scs.NewReader(f, 0)
|
||||
r, err := scs.NewReader(f)
|
||||
if err != nil {
|
||||
log.WithError(err).Fatal("Unable to read SCS file headers")
|
||||
logrus.WithError(err).Fatal("reading SCS file headers")
|
||||
}
|
||||
|
||||
log.WithField("no_files", len(r.Files)).Debug("Opened archive")
|
||||
logrus.WithField("no_files", len(r.Files)).Debug("opened archive")
|
||||
|
||||
destInfo, err := os.Stat(cfg.Dest)
|
||||
if err != nil {
|
||||
if !os.IsNotExist(err) {
|
||||
log.WithError(err).Fatal("Unable to access destination")
|
||||
logrus.WithError(err).Fatal("accessing destination")
|
||||
}
|
||||
|
||||
if err := os.MkdirAll(cfg.Dest, 0755); err != nil {
|
||||
log.WithError(err).Fatal("Unable to create destination directory")
|
||||
if err := os.MkdirAll(cfg.Dest, dirPermissions); err != nil {
|
||||
logrus.WithError(err).Fatal("creating destination directory")
|
||||
}
|
||||
}
|
||||
|
||||
if destInfo != nil && !destInfo.IsDir() {
|
||||
log.Fatal("Destination exists and is no directory")
|
||||
logrus.Fatal("destination exists and is no directory")
|
||||
}
|
||||
|
||||
for _, file := range r.Files {
|
||||
|
|
@ -93,40 +103,39 @@ func main() {
|
|||
continue
|
||||
}
|
||||
|
||||
if file.Type == scs.EntryTypeCompressedNames || file.Type == scs.EntryTypeCompressedNamesCopy ||
|
||||
file.Type == scs.EntryTypeUncompressedNames || file.Type == scs.EntryTypeUncompressedNamesCopy {
|
||||
if file.IsDirectory {
|
||||
// Don't care about directories, if they contain files they will be created
|
||||
continue
|
||||
}
|
||||
|
||||
if !cfg.Extract {
|
||||
// Not asked to extract, do not extract
|
||||
fmt.Println(file.Name)
|
||||
fmt.Println(file.Name) //nolint:forbidigo // Intended to print file list
|
||||
continue
|
||||
}
|
||||
|
||||
destPath := path.Join(cfg.Dest, file.Name)
|
||||
if err := os.MkdirAll(path.Dir(destPath), 0755); err != nil {
|
||||
log.WithError(err).Fatal("Unable to create directory")
|
||||
if err := os.MkdirAll(path.Dir(destPath), dirPermissions); err != nil {
|
||||
logrus.WithError(err).Fatal("creating directory")
|
||||
}
|
||||
|
||||
src, err := file.Open()
|
||||
if err != nil {
|
||||
log.WithError(err).Fatal("Unable to open file from archive")
|
||||
logrus.WithError(err).Fatal("opening file from archive")
|
||||
}
|
||||
|
||||
dest, err := os.Create(destPath)
|
||||
dest, err := os.Create(destPath) //#nosec:G304 // Intended to create files at given location
|
||||
if err != nil {
|
||||
log.WithError(err).Fatal("Unable to create destination file")
|
||||
logrus.WithError(err).Fatal("creating destination file")
|
||||
}
|
||||
|
||||
if _, err = io.Copy(dest, src); err != nil {
|
||||
log.WithError(err).Fatal("Unable to write file contents")
|
||||
logrus.WithError(err).WithField("name", file.Name).Fatal("Unable to write file contents")
|
||||
}
|
||||
|
||||
dest.Close()
|
||||
src.Close()
|
||||
dest.Close() //nolint:errcheck,gosec,revive // Will be closed by program exit
|
||||
src.Close() //nolint:errcheck,gosec // Will be closed by program exit
|
||||
|
||||
log.WithField("file", file.Name).Info("File extracted")
|
||||
logrus.WithField("file", file.Name).Info("File extracted")
|
||||
}
|
||||
}
|
||||
|
|
|
|||
89
scs/meta.go
Normal file
89
scs/meta.go
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
package scs
|
||||
|
||||
const offsetBlockSize = 16 // byte
|
||||
|
||||
type (
|
||||
iMetaEntry interface {
|
||||
Fill(*catalogMetaEntry)
|
||||
}
|
||||
|
||||
metaEntry struct {
|
||||
t metaEntryType
|
||||
p iMetaEntry
|
||||
}
|
||||
|
||||
metaEntryBrokenOctal [3]byte
|
||||
metaEntryBrokenOctalImage [4]byte
|
||||
|
||||
metaEntryType struct {
|
||||
Index metaEntryBrokenOctal
|
||||
Type catalogMetaEntryType
|
||||
}
|
||||
|
||||
metaEntryDir struct {
|
||||
CompressedSize metaEntryBrokenOctal
|
||||
Flags byte
|
||||
Size uint32
|
||||
Unknown2 uint32
|
||||
OffsetBlock uint32
|
||||
}
|
||||
|
||||
metaEntryFile struct {
|
||||
CompressedSize metaEntryBrokenOctal
|
||||
Flags byte
|
||||
Size uint32
|
||||
Unknown2 uint32
|
||||
OffsetBlock uint32
|
||||
}
|
||||
|
||||
metaEntryImage struct {
|
||||
Unknown1 uint64
|
||||
TextureWidth uint16
|
||||
TextureHeight uint16
|
||||
ImgFlags uint32
|
||||
SampleFlags uint32
|
||||
CompressedSize metaEntryBrokenOctalImage
|
||||
Unknown3 [8]byte
|
||||
OffsetBlock uint32
|
||||
}
|
||||
)
|
||||
|
||||
func (m metaEntry) Fill(c *catalogMetaEntry) {
|
||||
c.Index = m.t.Index.Uint32()
|
||||
m.p.Fill(c)
|
||||
}
|
||||
|
||||
func (m metaEntryDir) Fill(c *catalogMetaEntry) {
|
||||
c.IsDirectory = true
|
||||
|
||||
c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
|
||||
c.CompressedSize = m.CompressedSize.Uint32()
|
||||
c.Size = m.Size
|
||||
c.Flags = m.Flags
|
||||
}
|
||||
|
||||
func (m metaEntryFile) Fill(c *catalogMetaEntry) {
|
||||
c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
|
||||
c.CompressedSize = m.CompressedSize.Uint32()
|
||||
c.Size = m.Size
|
||||
c.Flags = m.Flags
|
||||
}
|
||||
|
||||
func (m metaEntryImage) Fill(c *catalogMetaEntry) {
|
||||
c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
|
||||
c.CompressedSize = m.CompressedSize.Uint32()
|
||||
c.Size = m.CompressedSize.Uint32()
|
||||
c.IsCompressed = m.CompressedSize.IsCompressed()
|
||||
}
|
||||
|
||||
func (m metaEntryBrokenOctal) Uint32() uint32 {
|
||||
return uint32(m[0]) + uint32(m[1])<<8 + uint32(m[2])<<16
|
||||
}
|
||||
|
||||
func (m metaEntryBrokenOctalImage) IsCompressed() bool {
|
||||
return (m[3] & 0xf0) != 0 //nolint:mnd
|
||||
}
|
||||
|
||||
func (m metaEntryBrokenOctalImage) Uint32() uint32 {
|
||||
return uint32(m[0]) + uint32(m[1])<<8 + uint32(m[2])<<16 + uint32(m[3])<<24
|
||||
}
|
||||
399
scs/scs.go
399
scs/scs.go
|
|
@ -1,204 +1,351 @@
|
|||
// Package scs contains a reader for SCS# archive files
|
||||
package scs
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"compress/flate"
|
||||
"compress/zlib"
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"path"
|
||||
"reflect"
|
||||
"sort"
|
||||
"strings"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
|
||||
"github.com/Luzifer/scs-extract/b0rkhash"
|
||||
)
|
||||
|
||||
const (
|
||||
flagIsDirectory = 0x10
|
||||
supportedVersion = 0x2
|
||||
zipHeaderSize = 0x2
|
||||
)
|
||||
|
||||
type (
|
||||
// File represents a file inside the SCS# archive
|
||||
File struct {
|
||||
Name string
|
||||
|
||||
CompressedSize uint32
|
||||
Hash uint64
|
||||
IsCompressed bool
|
||||
IsDirectory bool
|
||||
Size uint32
|
||||
|
||||
archiveReader io.ReaderAt
|
||||
offset uint64
|
||||
}
|
||||
|
||||
// Reader contains a parser for the archive and after creation will
|
||||
// hold a list of files ready to be opened from the archive
|
||||
Reader struct {
|
||||
Files []*File
|
||||
|
||||
header fileHeader
|
||||
entryTable []catalogEntry
|
||||
metadataTable map[uint32]catalogMetaEntry
|
||||
|
||||
archiveReader io.ReaderAt
|
||||
}
|
||||
|
||||
fileHeader struct {
|
||||
Magic [4]byte
|
||||
Version uint16
|
||||
Salt uint16
|
||||
HashMethod [4]byte
|
||||
EntryCount uint32
|
||||
EntryTableLength uint32
|
||||
MetadataEntriesCount uint32
|
||||
MetadataTableLength uint32
|
||||
EntryTableStart uint64
|
||||
MetadataTableStart uint64
|
||||
SecurityDescriptorOffset uint32
|
||||
Platform byte
|
||||
}
|
||||
|
||||
catalogEntry struct {
|
||||
Hash uint64
|
||||
MetadataIndex uint32
|
||||
MetadataCount uint16
|
||||
Flags uint16
|
||||
}
|
||||
|
||||
catalogMetaEntry struct {
|
||||
Index uint32
|
||||
Offset uint64
|
||||
CompressedSize uint32
|
||||
Size uint32
|
||||
Flags byte
|
||||
|
||||
IsDirectory bool
|
||||
IsCompressed bool
|
||||
}
|
||||
|
||||
catalogMetaEntryType byte
|
||||
)
|
||||
|
||||
const (
|
||||
metaEntryTypeImage catalogMetaEntryType = 1
|
||||
metaEntryTypeSample catalogMetaEntryType = 2
|
||||
metaEntryTypeMipProxy catalogMetaEntryType = 3
|
||||
metaEntryTypeInlineDirectory catalogMetaEntryType = 4
|
||||
metaEntryTypePlain catalogMetaEntryType = 128
|
||||
metaEntryTypeDirectory catalogMetaEntryType = 129
|
||||
metaEntryTypeMip0 catalogMetaEntryType = 130
|
||||
metaEntryTypeMip1 catalogMetaEntryType = 131
|
||||
metaEntryTypeMipTail catalogMetaEntryType = 132
|
||||
)
|
||||
|
||||
var (
|
||||
scsMagic = []byte("SCS#")
|
||||
scsHashMethod = []byte("CITY")
|
||||
|
||||
localeRootPathHash = b0rkhash.CityHash64([]byte("locale"))
|
||||
rootPathHash = b0rkhash.CityHash64([]byte(""))
|
||||
)
|
||||
|
||||
type CatalogEntry struct {
|
||||
HashedPath uint64
|
||||
Offset int32
|
||||
_ int32
|
||||
Type EntryType
|
||||
CRC uint32
|
||||
Size int32
|
||||
ZSize int32
|
||||
}
|
||||
|
||||
type EntryType int32
|
||||
|
||||
// See https://forum.scssoft.com/viewtopic.php?p=644638#p644638
|
||||
const (
|
||||
EntryTypeUncompressedFile EntryType = iota
|
||||
EntryTypeUncompressedNames
|
||||
EntryTypeCompressedFile
|
||||
EntryTypeCompressedNames
|
||||
EntryTypeUncompressedFileCopy
|
||||
EntryTypeUncompressedNamesCopy
|
||||
EntryTypeCompressedFileCopy
|
||||
EntryTypeCompressedNamesCopy
|
||||
)
|
||||
|
||||
type File struct {
|
||||
Name string
|
||||
|
||||
archiveReader io.ReaderAt
|
||||
|
||||
CatalogEntry
|
||||
}
|
||||
|
||||
func (f *File) Open() (io.ReadCloser, error) {
|
||||
var rc io.ReadCloser
|
||||
|
||||
switch f.Type {
|
||||
|
||||
case EntryTypeCompressedFile, EntryTypeCompressedFileCopy, EntryTypeCompressedNames, EntryTypeCompressedNamesCopy:
|
||||
r := io.NewSectionReader(f.archiveReader, int64(f.Offset+2), int64(f.ZSize))
|
||||
rc = flate.NewReader(r)
|
||||
|
||||
case EntryTypeUncompressedFile, EntryTypeUncompressedFileCopy, EntryTypeUncompressedNames, EntryTypeUncompressedNamesCopy:
|
||||
r := io.NewSectionReader(f.archiveReader, int64(f.Offset), int64(f.Size))
|
||||
rc = ioutil.NopCloser(r)
|
||||
|
||||
}
|
||||
return rc, nil
|
||||
}
|
||||
|
||||
type Reader struct {
|
||||
Files []*File
|
||||
}
|
||||
|
||||
func NewReader(r io.ReaderAt, size int64) (*Reader, error) {
|
||||
var magic = make([]byte, 4)
|
||||
n, err := r.ReadAt(magic, 0)
|
||||
if err != nil || n != 4 {
|
||||
return nil, errors.Wrap(err, "Unable to read file magic")
|
||||
// NewReader opens the archive from the given io.ReaderAt and parses
|
||||
// the header information
|
||||
func NewReader(r io.ReaderAt) (out *Reader, err error) {
|
||||
// Read the header
|
||||
var header fileHeader
|
||||
if err = binary.Read(
|
||||
io.NewSectionReader(r, 0, int64(binary.Size(fileHeader{}))),
|
||||
binary.LittleEndian,
|
||||
&header,
|
||||
); err != nil {
|
||||
return nil, fmt.Errorf("reading header: %w", err)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(magic, []byte{0x53, 0x43, 0x53, 0x23}) {
|
||||
return nil, errors.New("Did not receive expected file magic")
|
||||
// Sanity checks
|
||||
if !bytes.Equal(header.Magic[:], scsMagic) {
|
||||
return nil, fmt.Errorf("unexpected magic header")
|
||||
}
|
||||
|
||||
var entries = make([]byte, 4)
|
||||
n, err = r.ReadAt(entries, 0xC)
|
||||
if err != nil || n != 4 {
|
||||
return nil, errors.Wrap(err, "Unable to read entry count")
|
||||
if !bytes.Equal(header.HashMethod[:], scsHashMethod) {
|
||||
return nil, fmt.Errorf("unexpected hash method")
|
||||
}
|
||||
|
||||
var entryCount int32
|
||||
if err = binary.Read(bytes.NewReader(entries), binary.LittleEndian, &entryCount); err != nil {
|
||||
return nil, errors.Wrap(err, "Unable to parse entry count")
|
||||
if header.Version != supportedVersion {
|
||||
return nil, fmt.Errorf("unsupported archive version: %d", header.Version)
|
||||
}
|
||||
|
||||
out := &Reader{}
|
||||
|
||||
var offset int64 = 0x1000
|
||||
for i := int32(0); i < entryCount; i++ {
|
||||
var hdr = make([]byte, 32)
|
||||
n, err = r.ReadAt(hdr, offset)
|
||||
if err != nil || n != 32 {
|
||||
return nil, errors.Wrap(err, "Unable to read file header")
|
||||
}
|
||||
|
||||
var e = CatalogEntry{}
|
||||
if err = binary.Read(bytes.NewReader(hdr), binary.LittleEndian, &e); err != nil {
|
||||
return nil, errors.Wrap(err, "Unable to parse file header")
|
||||
}
|
||||
|
||||
out.Files = append(out.Files, &File{
|
||||
CatalogEntry: e,
|
||||
// Do the real parsing
|
||||
out = &Reader{
|
||||
archiveReader: r,
|
||||
})
|
||||
offset += 32
|
||||
header: header,
|
||||
}
|
||||
|
||||
if err = out.parseEntryTable(); err != nil {
|
||||
return nil, fmt.Errorf("parsing entry table: %w", err)
|
||||
}
|
||||
|
||||
if err = out.parseMetadataTable(); err != nil {
|
||||
return nil, fmt.Errorf("parsing metadata table: %w", err)
|
||||
}
|
||||
|
||||
for _, e := range out.entryTable {
|
||||
meta := out.metadataTable[e.MetadataIndex+uint32(e.MetadataCount)]
|
||||
f := File{
|
||||
CompressedSize: meta.CompressedSize,
|
||||
Hash: e.Hash,
|
||||
IsCompressed: meta.IsCompressed || (meta.Flags&flagIsDirectory) != 0,
|
||||
IsDirectory: meta.IsDirectory,
|
||||
Size: meta.Size,
|
||||
archiveReader: r,
|
||||
offset: meta.Offset,
|
||||
}
|
||||
|
||||
out.Files = append(out.Files, &f)
|
||||
}
|
||||
|
||||
return out, out.populateFileNames()
|
||||
}
|
||||
|
||||
func (r *Reader) populateFileNames() error {
|
||||
// Open opens the file for reading
|
||||
func (f *File) Open() (io.ReadCloser, error) {
|
||||
var rc io.ReadCloser
|
||||
|
||||
if f.IsCompressed {
|
||||
r := io.NewSectionReader(f.archiveReader, int64(f.offset+zipHeaderSize), int64(f.CompressedSize)) //#nosec:G115 // int64 wraps at 9EB - We don't have to care for a LONG time
|
||||
rc = flate.NewReader(r)
|
||||
} else {
|
||||
r := io.NewSectionReader(f.archiveReader, int64(f.offset), int64(f.Size)) //#nosec:G115 // int64 wraps at 9EB - We don't have to care for a LONG time
|
||||
rc = io.NopCloser(r)
|
||||
}
|
||||
|
||||
return rc, nil
|
||||
}
|
||||
|
||||
func (r *Reader) parseEntryTable() error {
|
||||
etReader, err := zlib.NewReader(io.NewSectionReader(
|
||||
r.archiveReader,
|
||||
int64(r.header.EntryTableStart), //#nosec:G115 // int64 wraps at 9EB - We don't have to care for a LONG time
|
||||
int64(r.header.EntryTableLength),
|
||||
))
|
||||
if err != nil {
|
||||
return fmt.Errorf("opening entry-table reader: %w", err)
|
||||
}
|
||||
defer etReader.Close() //nolint:errcheck
|
||||
|
||||
for i := uint32(0); i < r.header.EntryCount; i++ {
|
||||
var e catalogEntry
|
||||
if err = binary.Read(etReader, binary.LittleEndian, &e); err != nil {
|
||||
return fmt.Errorf("reading entry: %w", err)
|
||||
}
|
||||
r.entryTable = append(r.entryTable, e)
|
||||
}
|
||||
|
||||
sort.Slice(r.entryTable, func(i, j int) bool {
|
||||
return r.entryTable[i].MetadataIndex < r.entryTable[j].MetadataIndex
|
||||
})
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *Reader) parseMetadataTable() error {
|
||||
r.metadataTable = make(map[uint32]catalogMetaEntry)
|
||||
|
||||
mtReader, err := zlib.NewReader(io.NewSectionReader(
|
||||
r.archiveReader,
|
||||
int64(r.header.MetadataTableStart), //#nosec:G115 // int64 wraps at 9EB - We don't have to care for a LONG time
|
||||
int64(r.header.MetadataTableLength),
|
||||
))
|
||||
if err != nil {
|
||||
return fmt.Errorf("opening metadata-table reader: %w", err)
|
||||
}
|
||||
defer mtReader.Close() //nolint:errcheck
|
||||
|
||||
for {
|
||||
var metaType metaEntryType
|
||||
if err = binary.Read(mtReader, binary.LittleEndian, &metaType); err != nil {
|
||||
if errors.Is(err, io.EOF) {
|
||||
return nil
|
||||
}
|
||||
return fmt.Errorf("reading meta-type-header: %w", err)
|
||||
}
|
||||
|
||||
var payload iMetaEntry
|
||||
switch metaType.Type {
|
||||
case metaEntryTypeDirectory:
|
||||
var p metaEntryDir
|
||||
if err = binary.Read(mtReader, binary.LittleEndian, &p); err != nil {
|
||||
return fmt.Errorf("reading dir definition: %w", err)
|
||||
}
|
||||
payload = metaEntry{t: metaType, p: p}
|
||||
|
||||
case metaEntryTypePlain:
|
||||
var p metaEntryFile
|
||||
if err = binary.Read(mtReader, binary.LittleEndian, &p); err != nil {
|
||||
return fmt.Errorf("reading file definition: %w", err)
|
||||
}
|
||||
payload = metaEntry{t: metaType, p: p}
|
||||
|
||||
case metaEntryTypeImage:
|
||||
var p metaEntryImage
|
||||
if err = binary.Read(mtReader, binary.LittleEndian, &p); err != nil {
|
||||
return fmt.Errorf("reading image definition: %w", err)
|
||||
}
|
||||
payload = metaEntry{t: metaType, p: p}
|
||||
|
||||
default:
|
||||
return fmt.Errorf("unhandled file type: %v", metaType.Type)
|
||||
}
|
||||
|
||||
var e catalogMetaEntry
|
||||
payload.Fill(&e)
|
||||
|
||||
r.metadataTable[e.Index] = e
|
||||
}
|
||||
}
|
||||
|
||||
func (r *Reader) populateFileNames() (err error) {
|
||||
// first seek root entry, without the archive is not usable for us
|
||||
var entry *File
|
||||
for _, e := range r.Files {
|
||||
if e.HashedPath == rootPathHash {
|
||||
entry = e
|
||||
for _, f := range r.Files {
|
||||
if f.Hash == rootPathHash {
|
||||
entry = f
|
||||
entry.Name = ""
|
||||
break
|
||||
} else if e.HashedPath == localeRootPathHash {
|
||||
entry = e
|
||||
} else if f.Hash == localeRootPathHash {
|
||||
entry = f
|
||||
entry.Name = "locale"
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if entry == nil ||
|
||||
(entry.ZSize == 0 && entry.Size == 0) ||
|
||||
(entry.Type != EntryTypeCompressedNames &&
|
||||
entry.Type != EntryTypeCompressedNamesCopy &&
|
||||
entry.Type != EntryTypeUncompressedNames &&
|
||||
entry.Type != EntryTypeUncompressedNamesCopy) {
|
||||
return errors.New("No root path entry found or root path empty")
|
||||
if entry == nil {
|
||||
// We found no suitable entrypoint
|
||||
return fmt.Errorf("no root entry found")
|
||||
}
|
||||
|
||||
return r.populateFileTree(entry)
|
||||
if err = r.setFilenamesFromDir(entry); err != nil {
|
||||
return fmt.Errorf("setting filenames: %w", err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *Reader) populateFileTree(node *File) error {
|
||||
func (r *Reader) setFilenamesFromDir(node *File) error {
|
||||
f, err := node.Open()
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "Unable to open file")
|
||||
return fmt.Errorf("opening file: %w", err)
|
||||
}
|
||||
defer f.Close()
|
||||
defer f.Close() //nolint:errcheck
|
||||
|
||||
var entries []string
|
||||
|
||||
scanner := bufio.NewScanner(f)
|
||||
for scanner.Scan() {
|
||||
entries = append(entries, scanner.Text())
|
||||
var entryCount uint32
|
||||
if err = binary.Read(f, binary.LittleEndian, &entryCount); err != nil {
|
||||
return fmt.Errorf("reading entry count: %w", err)
|
||||
}
|
||||
|
||||
if err := scanner.Err(); err != nil {
|
||||
return errors.Wrap(err, "Unable to read from file")
|
||||
if entryCount == 0 {
|
||||
// Listing without any files
|
||||
return fmt.Errorf("no entries in directory listing")
|
||||
}
|
||||
|
||||
for _, entry := range entries {
|
||||
stringLengths := make([]byte, entryCount)
|
||||
if err = binary.Read(f, binary.LittleEndian, &stringLengths); err != nil {
|
||||
return fmt.Errorf("reading string lengths: %w", err)
|
||||
}
|
||||
|
||||
for i := uint32(0); i < entryCount; i++ {
|
||||
var (
|
||||
hash uint64
|
||||
name = make([]byte, stringLengths[i])
|
||||
recurse bool
|
||||
)
|
||||
|
||||
if entry[0] == '*' {
|
||||
// Directory here
|
||||
recurse = true
|
||||
entry = entry[1:]
|
||||
if err = binary.Read(f, binary.LittleEndian, &name); err != nil {
|
||||
return fmt.Errorf("reading name: %w", err)
|
||||
}
|
||||
|
||||
hash = b0rkhash.CityHash64([]byte(strings.TrimPrefix(path.Join(node.Name, entry), "/")))
|
||||
if name[0] == '/' {
|
||||
// Directory entry
|
||||
recurse = true
|
||||
name = name[1:]
|
||||
}
|
||||
|
||||
hash = b0rkhash.CityHash64([]byte(strings.TrimPrefix(path.Join(node.Name, string(name)), "/")))
|
||||
|
||||
var next *File
|
||||
for _, rf := range r.Files {
|
||||
if rf.HashedPath == hash {
|
||||
if rf.Hash == hash {
|
||||
next = rf
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if next == nil {
|
||||
return errors.Errorf("Found missing reference: %s", path.Join(node.Name, entry))
|
||||
return fmt.Errorf("reference to void: %s", path.Join(node.Name, string(name)))
|
||||
}
|
||||
|
||||
next.Name = strings.TrimPrefix(path.Join(node.Name, entry), "/")
|
||||
next.Name = strings.TrimPrefix(path.Join(node.Name, string(name)), "/")
|
||||
if recurse {
|
||||
if err = r.populateFileTree(next); err != nil {
|
||||
if err = r.setFilenamesFromDir(next); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return nil
|
||||
|
|
|
|||
Loading…
Reference in a new issue