diff --git a/README.md b/README.md deleted file mode 100644 index af5f14f..0000000 --- a/README.md +++ /dev/null @@ -1,163 +0,0 @@ -# πŸ“¦ Packets – Custom Package Manager for Linux - -> A fast and minimal package manager written in Go with Lua hooks, local network discovery, and SQLite-based indexing. - ---- - -## πŸ“˜ Overview - -**Packets** is a lightweight package manager for Linux, written in Go. It supports: - -- Installation and removal of packages -- Dependency resolution and upgrading -- `.tar.zst` compressed packages with `manifest.toml` metadata -- Lua-based install/remove hooks -- Local cache with SHA-256 validation -- Peer-to-peer discovery over LAN -- Remote package syncing via HTTP -- SQLite-based local database - ---- - -## πŸ“ Directory Structure - -| Path | Description | -|-----------------------|----------------------------------| -| `/etc/packets/` | Configuration files | -| `/opt/packets/` | Installed package data | -| `/var/cache/packets/` | Cached `.tar.zst` package files | - -(This can be changed in `/etc/packets/config.toml`) - ---- - -# Available Commands - -| Command | Description | -|---------------------------|----------------------------------------------------------------------------| -|`packets install ` | Install a package (resolves dependencies, executes Lua install hook) | -|`packets remove ` | Remove a package (executes Lua remove hook) | -|`packets upgrade ` | Upgrade a package by checking family and serial in the manifest | -|`packets sync [url]` | Synchronize index.db from remote HTTP source | -|`packets serve init/stop` | Starts and stop the LAN service daemon | -|`packets list` | List all installed packages | -|`packets info` | Get technical package information | -|`packets search` | List all packages in index.db | - -# πŸ“¦ Package Format - -Packages must be compressed as .tar.zst and include: - - -- β”œβ”€β”€ manifest.toml # Package metadata -- β”œβ”€β”€ data/ # Files to install -- β”œβ”€β”€ install.lua # Lua install hook -- └── remove.lua # Lua remove hook - - -## Example manifest.toml - [Info] - name = "packets" - version = "1.0.0" - description = "offline and online packetmanager" - dependencies = [] - author = "robo" - family = "1f84ca15-5077-4f1d-a370-0ec860766eb2" - serial = 0 - - [Hooks] - install = "install.lua" - remove = "remove.lua" - --- -# πŸ”„ Installation Process - -- Check if package is already cached and validated via SHA-256. - -- If not, search the package: - - Via LAN: Sends UDP broadcast (Q:filename) to peers. - - Via HTTP: Downloads from configured mirrors. - - Decompress .tar.zst, install files. - - Execute Lua install hook. - -# 🧩 Core Features -βœ… Dependency Resolution - -Installs required dependencies listed in the manifest. -## 🌐 LAN Discovery - -Broadcasts package request to devices in the same network via UDP. -## πŸ“‘ Remote Download - -Downloads package via HTTP if not found on LAN. -## πŸ”’ Security - - SHA-256 checksum validation - - Path validation to avoid exploits (..) - - Safe, sandboxed Lua runtime with limited API - - -# 🌍 Global Variables Available in Lua Scripts - -During the execution of install.lua and remove.lua hooks, some global variables are automatically provided to the Lua environment. These help simplify file path handling and access to package-specific directories. -## Available variables: - -|Name |Type | Description -|--------------------|--------|--------------------------------------------------------------------------| -|packets_package_dir | string| Absolute path to the package's data directory (e.g., /opt/packets/...) | -| packets_bin_dir | string| Path where executables should be installed (e.g., /usr/bin) | -|script | string| Path to the currently executing script (e.g., "install.lua") | -|data_dir | string| Path to the /data folder of the current package | -### Example usage in Lua: - - print("Installing into: " .. packets_bin_dir) - print("Package data in: " .. data_dir) - - -- Copy a binary to /usr/bin - os.copy(path_join(data_dir, "htop"), path_join(packets_bin_dir, "htop")) - -These variables are preloaded in the Lua environmentβ€”no need to manually declare or initialize them. - - -## πŸ› οΈ Allowed Lua API (install/remove hooks) - -To ensure security, only a limited set of safe functions are exposed in Lua hooks: - - os.remove(path) - os.rename(old, new) - os.copy(source, target) - os.symlink(source, target) - io.open(path, mode) - os.mkdir(path, filemode) - path_join(...) - -### Note: Dangerous functions like os.execute, os.getenv, etc. are removed. -## πŸ—ƒοΈ Databases - - index.db: Available packages (after sync) - - installed.db: Packages currently installed - -# ⚠️ Restrictions & Notes - - Linux only (//go:build linux) - - Root permissions required for most commands - - Changing dataDir triggers prompt to migrate installed packages - - Binaries in binDir are not automatically moved if path changes - - Do not manually edit lastDataDir - - -# TODO - -- Auto upgrade all packages available -- Packets Universe diff --git a/go.mod b/go.mod deleted file mode 100644 index 0142e22..0000000 --- a/go.mod +++ /dev/null @@ -1,31 +0,0 @@ -module packets - -go 1.24.4 - -require ( - github.com/BurntSushi/toml v1.5.0 - github.com/klauspost/compress v1.18.0 - github.com/schollz/progressbar/v3 v3.18.0 - github.com/spf13/cobra v1.9.1 - github.com/yuin/gopher-lua v1.1.1 - golang.org/x/net v0.41.0 - modernc.org/sqlite v1.38.0 -) - -require ( - github.com/dustin/go-humanize v1.0.1 // indirect - github.com/google/uuid v1.6.0 // indirect - github.com/inconshreveable/mousetrap v1.1.0 // indirect - github.com/mattn/go-isatty v0.0.20 // indirect - github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect - github.com/ncruces/go-strftime v0.1.9 // indirect - github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect - github.com/rivo/uniseg v0.4.7 // indirect - github.com/spf13/pflag v1.0.7 // indirect - golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect - golang.org/x/sys v0.33.0 // indirect - golang.org/x/term v0.32.0 // indirect - modernc.org/libc v1.65.10 // indirect - modernc.org/mathutil v1.7.1 // indirect - modernc.org/memory v1.11.0 // indirect -) diff --git a/go.sum b/go.sum deleted file mode 100644 index 784f096..0000000 --- a/go.sum +++ /dev/null @@ -1,85 +0,0 @@ -github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg= -github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho= -github.com/chengxilo/virtualterm v1.0.4 h1:Z6IpERbRVlfB8WkOmtbHiDbBANU7cimRIof7mk9/PwM= -github.com/chengxilo/virtualterm v1.0.4/go.mod h1:DyxxBZz/x1iqJjFxTFcr6/x+jSpqN0iwWCOK1q10rlY= -github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g= -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/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY= -github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto= -github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs= -github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA= -github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= -github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8= -github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw= -github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo= -github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ= -github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= -github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= -github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc= -github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= -github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db h1:62I3jR2EmQ4l5rM/4FEfDWcRD+abF5XlKShorW5LRoQ= -github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db/go.mod h1:l0dey0ia/Uv7NcFFVbCLtqEBQbrT4OCwCSKTEv6enCw= -github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4= -github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls= -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/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE= -github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo= -github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ= -github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= -github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= -github.com/schollz/progressbar/v3 v3.18.0 h1:uXdoHABRFmNIjUfte/Ex7WtuyVslrw2wVPQmCN62HpA= -github.com/schollz/progressbar/v3 v3.18.0/go.mod h1:IsO3lpbaGuzh8zIMzgY3+J8l4C8GjO0Y9S69eFvNsec= -github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo= -github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0= -github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg= -github.com/spf13/pflag v1.0.7 h1:vN6T9TfwStFPFM5XzjsvmzZkLuaLX+HS+0SeFLRgU6M= -github.com/spf13/pflag v1.0.7/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg= -github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= -github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= -github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M= -github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw= -golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 h1:R84qjqJb5nVJMxqWYb3np9L5ZsaDtB+a39EqjV0JSUM= -golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0/go.mod h1:S9Xr4PYopiDyqSyp5NjCrhFrqg6A5zA2E/iPHPhqnS8= -golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU= -golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww= -golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw= -golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA= -golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ= -golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA= -golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw= -golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k= -golang.org/x/term v0.32.0 h1:DR4lr0TjUs3epypdhTOkMmuF5CDFJ/8pOnbzMZPQ7bg= -golang.org/x/term v0.32.0/go.mod h1:uZG1FhGx848Sqfsq4/DlJr3xGGsYMu/L5GW4abiaEPQ= -golang.org/x/tools v0.33.0 h1:4qz2S3zmRxbGIhDIAgjxvFutSvH5EfnsYrRBj0UI0bc= -golang.org/x/tools v0.33.0/go.mod h1:CIJMaWEY88juyUfo7UbgPqbC8rU2OqfAV1h2Qp0oMYI= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= -gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= -modernc.org/cc/v4 v4.26.1 h1:+X5NtzVBn0KgsBCBe+xkDC7twLb/jNVj9FPgiwSQO3s= -modernc.org/cc/v4 v4.26.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0= -modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU= -modernc.org/ccgo/v4 v4.28.0/go.mod h1:JygV3+9AV6SmPhDasu4JgquwU81XAKLd3OKTUDNOiKE= -modernc.org/fileutil v1.3.3 h1:3qaU+7f7xxTUmvU1pJTZiDLAIoJVdUSSauJNHg9yXoA= -modernc.org/fileutil v1.3.3/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc= -modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI= -modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito= -modernc.org/libc v1.65.10 h1:ZwEk8+jhW7qBjHIT+wd0d9VjitRyQef9BnzlzGwMODc= -modernc.org/libc v1.65.10/go.mod h1:StFvYpx7i/mXtBAfVOjaU0PWZOvIRoZSgXhrwXzr8Po= -modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU= -modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg= -modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI= -modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw= -modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8= -modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns= -modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w= 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"go": "go", // "Go code compiler" - "gcc": "gcc", // "C" - "g++": "g++", // "C++" - "rustc": "rustc", // "Rust" - "javac": "javac", // "Java" - "luac": "luac", // "Lua" - "pyinstaller": "pyinstaller", // "Python" - "kotlinc": "kotlinc", // "Kotlin" - "mcs": "mcs", // "C# compiler" - "swiftc": "swiftc", // "Swift compiler" - "ts": "tsc", // "TypeScript compiler" - "ruby": "rubyc", // "Ruby compiler" -} - -type ConfigTOML struct { - Config struct { - HttpPort int `toml:"httpPort"` - CacheDir string `toml:"cacheDir"` - AutoDeleteCacheDir bool `toml:"dayToDeleteCacheDir"` - DaysToDelete int `toml:"daysToDelete"` - DataDir string `toml:"dataDir"` - BinDir string `toml:"binDir"` - LastDataDir string `toml:"lastDataDir"` - } `toml:"Config"` -} - -type Manifest struct { - Info struct { - Name string `toml:"name"` - Version string `toml:"version"` - Description string `toml:"description"` - Dependencies []string `toml:"dependencies"` - Author string `toml:"author"` - Family string `toml:"family"` - Serial uint `toml:"serial"` - } `toml:"Info"` - Hooks struct { - Install string `toml:"install"` - Remove string `toml:"remove"` - } `toml:"Hooks"` -} - -var SandboxDir string - -func PacketsPackageDir() string { - - out, _ := exec.Command("uname", "-s").Output() - - if uname := strings.TrimSpace(string(out)); uname == "J2ME" { - - _, err := os.Stat("packets.help") - if os.IsNotExist(err) { - err = nil - - var thedirectory string - err := filepath.WalkDir("/mnt", func(path string, d fs.DirEntry, err error) error { - if d.IsDir() { - - thedirectory = filepath.Join(path, "packets") - if err := os.Mkdir(thedirectory, 0644); err != nil { - return err - } - if err := os.WriteFile("packets.help", []byte(thedirectory), 0644); err != nil { - return err - } - if err := os.Mkdir(filepath.Join(filepath.Join(thedirectory, "cache")), 0644); err != nil { - return err - } - if err := os.Mkdir(filepath.Join(filepath.Join(thedirectory, "packages")), 0644); err != nil { - return err - } - if err := os.Mkdir(filepath.Join(filepath.Join(thedirectory, "bin")), 0644); err != nil { - return err - } - return nil - } - return nil - }) - if err != nil { - log.Fatal(err) - } - return thedirectory - } - - byt, err := os.ReadFile("packets.help") - if err != nil { - log.Fatal(err) - } - - return string(byt) - - } else { - return "/etc/packets" - } -} - -func ManifestReadXZ(path string) (*Manifest, error) { - f, err := os.Open(path) - if err != nil { - return nil, err - } - defer f.Close() - - zr, err := zstd.NewReader(f) - if err != nil { - return nil, err - } - defer zr.Close() - - tarReader := tar.NewReader(zr) - - for { - header, err := tarReader.Next() - if err == io.EOF { - break - } - if err != nil { - return nil, err - } - - if filepath.Base(header.Name) == "manifest.toml" { - decoder := toml.NewDecoder(tarReader) - - var manifest Manifest - - if _, err := decoder.Decode(&manifest); err != nil { - log.Fatal(err) - } - - return &manifest, nil - } - - } - return nil, fmt.Errorf("can't find manifest.toml") -} - -func DefaultConfigTOML() *ConfigTOML { - - var cfg ConfigTOML - out, _ := exec.Command("uname", "-s").Output() - - if uname := strings.TrimSpace(string(out)); uname == "J2ME" { - cfg.Config.HttpPort = 9123 - cfg.Config.AutoDeleteCacheDir = false - cfg.Config.CacheDir = filepath.Join(PacketsPackageDir(), "cache") - cfg.Config.DataDir = filepath.Join(PacketsPackageDir(), "data") - cfg.Config.DaysToDelete = -1 - cfg.Config.BinDir = filepath.Join(PacketsPackageDir(), "bin") - cfg.Config.LastDataDir = filepath.Join(PacketsPackageDir(), "data") - return &cfg - } else { - - cfg.Config.HttpPort = 9123 - cfg.Config.AutoDeleteCacheDir = false - cfg.Config.CacheDir = "/var/cache/packets" - cfg.Config.DataDir = "/opt/packets" - cfg.Config.DaysToDelete = -1 - cfg.Config.BinDir = "/usr/bin" - cfg.Config.LastDataDir = "/opt/packets" - - return &cfg - } - -} - -func IsSafe(str string) bool { - s, err := filepath.EvalSymlinks(filepath.Clean(str)) - if err != nil { - s = filepath.Clean(str) - } - - var cfg ConfigTOML - toml.DecodeFile(filepath.Join(PacketsPackageDir(), "config.toml"), &cfg) - - if strings.HasPrefix(s, cfg.Config.DataDir) || strings.HasPrefix(s, cfg.Config.BinDir) { - return true - - } else if strings.Contains(s, ".ssh") { - return false - - } else if strings.HasPrefix(s, "/etc") { - return false - - } else if strings.HasPrefix(s, "/usr") || strings.HasPrefix(s, "/bin") { - fmt.Println(s, "estΓ‘ dentro de usr") - return strings.HasPrefix(s, "/usr/share") - - } else if strings.HasPrefix(s, "/var/mail") { - return false - - } else if strings.HasPrefix(s, "/proc") { - return false - - } else if strings.HasPrefix(s, "/sys") { - return false - - } else if strings.HasPrefix(s, "/var/run") || strings.HasPrefix(s, "/run") { - return false - - } else if strings.HasPrefix(s, "/tmp") { - return false - - } else if strings.HasPrefix(s, "/dev") { - return false - - } else if strings.HasPrefix(s, "/boot") { - return false - - } else if strings.HasPrefix(s, "/home") { - if strings.Contains(s, "/Pictures") || strings.Contains(s, "/Videos") || strings.Contains(s, "/Documents") || strings.Contains(s, "/Downloads") { - return false - } - - } else if strings.HasPrefix(s, "/lib") || strings.HasPrefix(s, "/lib64") || strings.HasPrefix(s, "/var/lib64") || strings.HasPrefix(s, "/lib") { - return false - - } else if strings.HasPrefix(s, "/sbin") { - return false - - } else if strings.HasPrefix(s, "/srv") { - return false - - } else if strings.HasPrefix(s, "/mnt") { - return false - - } else if strings.HasPrefix(s, "/media") { - return false - } else if strings.HasPrefix(s, "/snap") { - return false - } - - return true -} - -func SafeRemove(L *lua.LState) int { - filename := L.CheckString(1) - if !IsSafe(filename) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - err := os.RemoveAll(filename) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] remove failed\n" + err.Error())) - return 2 - } - L.Push(lua.LTrue) - L.Push(lua.LNil) - return 2 -} - -func SafeRename(L *lua.LState) int { - oldname := L.CheckString(1) - newname := L.CheckString(2) - - if !IsSafe(oldname) || !IsSafe(newname) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - - if err := os.Rename(oldname, newname); err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] rename failed\n" + err.Error())) - return 2 - } - - L.Push(lua.LTrue) - return 1 -} -func SafeCopy(L *lua.LState) int { - oldname := L.CheckString(1) - newname := L.CheckString(2) - - if !IsSafe(oldname) || !IsSafe(newname) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - - src, err := os.Open(oldname) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - - } - defer src.Close() - - status, err := src.Stat() - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - - err = os.MkdirAll(filepath.Dir(newname), 0755) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - - dst, err := os.Create(newname) - if err != nil { - if !os.IsExist(err) { - dst, err = os.Open(newname) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - } else { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - } - - defer dst.Close() - if err := dst.Chmod(status.Mode()); err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - - _, err = io.Copy(dst, src) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] copy failed\n" + err.Error())) - return 2 - } - - L.Push(lua.LTrue) - L.Push(lua.LNil) - return 2 -} - -func SymbolicLua(L *lua.LState) int { - fileName := L.CheckString(1) - destination := L.CheckString(2) - - if !IsSafe(fileName) || !IsSafe(destination) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - - _ = os.RemoveAll(destination) - if err := os.Symlink(fileName, destination); err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] symlink failed\n" + err.Error())) - return 2 - } - - L.Push(lua.LTrue) - L.Push(lua.LNil) - return 2 -} - -func modeFlags(mode string) int { - switch mode { - case "r", "rb": - return os.O_RDONLY - case "w", "wb": - return os.O_CREATE | os.O_WRONLY | os.O_TRUNC - case "a", "ab": - return os.O_CREATE | os.O_WRONLY | os.O_APPEND - case "r+", "r+b", "rb+", "br+": - return os.O_RDWR - case "w+", "w+b", "wb+", "bw+": - return os.O_CREATE | os.O_RDWR | os.O_TRUNC - case "a+", "a+b", "ab+", "ba+": - return os.O_CREATE | os.O_RDWR | os.O_APPEND - default: - return os.O_RDONLY - } -} - -func SafeOpen(L *lua.LState) int { - path := L.CheckString(1) - mode := L.OptString(2, "r") - - if !IsSafe(path) { - L.Push(lua.LNil) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - file, err := os.OpenFile(path, modeFlags(mode), 0644) - if err != nil { - L.Push(lua.LNil) - L.Push(lua.LString("[packets] open failed\n" + err.Error())) - return 2 - } - - ud := L.NewUserData() - ud.Value = file - L.SetMetatable(ud, L.GetTypeMetatable("file")) - L.Push(ud) - L.Push(lua.LNil) - return 2 -} - -func Ljoin(L *lua.LState) int { - - n := L.GetTop() - parts := make([]string, 0, n) - - for i := 1; i <= n; i++ { - val := L.Get(i) - parts = append(parts, val.String()) - } - - result := filepath.Join(parts...) - L.Push(lua.LString(result)) - return 1 -} - -func LMkdir(L *lua.LState) int { - path := L.CheckString(1) - perm := L.CheckInt(2) - - if !IsSafe(path) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath\n")) - } - - if err := os.MkdirAll(path, os.FileMode(perm)); err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] mkdir failed\n" + err.Error())) - } - - L.Push(lua.LTrue) - L.Push(lua.LNil) - return 2 -} - -func LuaCompile(L *lua.LState) int { - lang := L.CheckString(1) - args := []string{} - for i := 2; i <= L.GetTop(); i++ { - - if strings.Contains(L.CheckString(i), "/") { - - tryintoacess, err := filepath.Abs(filepath.Clean(L.CheckString(i))) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] invalid filepath\n" + err.Error())) - return 2 - } - if !strings.HasPrefix(tryintoacess, SandboxDir) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - } - - args = append(args, L.CheckString(i)) - } - - bin, suc := AllowedCmds[lang] - if !suc { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsupported language")) - return 2 - } - - cmd := exec.Command(bin, args...) - cmd.Dir = SandboxDir - out, err := cmd.CombinedOutput() - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] compile failed\n" + err.Error() + "\n" + string(out))) - return 2 - } - if err := cmd.Run(); err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] compile failed\n" + err.Error())) - return 2 - } - - L.Push(lua.LTrue) - L.Push(lua.LString(string(out))) - return 2 -} - -func CompileRequirements(L *lua.LState) int { - - cmdLang := L.CheckString(1) - - if strings.Contains(L.CheckString(2), "/") { - - tryintoacess, err := filepath.Abs(filepath.Clean(L.CheckString(2))) - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] invalid filepath\n" + err.Error())) - return 2 - } - if !strings.HasPrefix(tryintoacess, SandboxDir) { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] unsafe filepath")) - return 2 - } - } - - var err error - - switch cmdLang { - case "python": - cmd := exec.Command("pip", "install", "--target", filepath.Join(SandboxDir, "tmp/build"), "-r", L.CheckString(2)) - cmd.Dir = filepath.Join(SandboxDir, "data") - err = cmd.Run() - case "java": - cmd := exec.Command("mvn", "dependency:copy-dependencies", "-DoutputDirectory="+filepath.Join(SandboxDir, "tmp/build")) - cmd.Dir = L.CheckString(2) - err = cmd.Run() - case "ruby": - cmd := exec.Command("bundle", "install", "--path", filepath.Join(SandboxDir, "tmp/build")) - cmd.Dir = L.CheckString(2) - err = cmd.Run() - } - - if err != nil { - L.Push(lua.LFalse) - L.Push(lua.LString("[packets] requirements install failed\n" + err.Error())) - return 2 - } - - L.Push(lua.LTrue) - L.Push(lua.LNil) - return 2 -}