Terminal 1.0: a-Shell 2.3.2 full + worse_query + native plugin environment

2026-11-09 22:51:39 +08:00
commit 598ef7b1bf
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 # Local build inputs
 work/
 build/
 package/
 testapp/
 cert/
 *.ipa
 *.p12
 *.mobileprovision
 *.tar.gz
 *.log
 signing/
 # Research inputs
 neofetch-script
 a-Shell*.ipa
@@ -0,0 +1,674 @@
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 might be different; for a GUI interface, you would use an "about box".
  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <https://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/licenses/why-not-lgpl.html>.
@@ -0,0 +1,9 @@
 terminal_worse is a security-research fork built from:
 - a-Shell by Nicolas Holzschuch (BSD-2-Clause)
 - worse_query by Taj C / forcequitOS (GPL-3.0)
 - badshell by wormprojects
 - pathleak by forcequitOS
 - neofetch by Dylan Araps (ASCII art / field inspiration, MIT)
 Project-specific additions are distributed under GPL-3.0.  See LICENSE.
@@ -0,0 +1,152 @@
 # terminal_worse
 A fork of **a-Shell 2.3.2 (full)** with the **worse_query** sandbox escape,
 a native terminal plugin environment, and a small set of UX additions.
 Built and tested on **iPhone 18 Pro Max, iOS 27.0.1 (24A446)**, signed with a
 development provisioning profile.  Bundle ID: `com.apple.Terminal`.
 > This is a personal security-research project.  The repository does NOT
 > contain the decrypted a-Shell IPA (it must be supplied locally) and does NOT
 > contain the signing certificate or provisioning profile.
 ## Features
 - Full a-Shell 2.3.2 app: Python, Perl, TeX, clang/LLVM, SSH, vim, etc.
 - `worse_query` app-group sandbox escape covering every path documented by
  the upstream project:
  - `/var/containers/Data/System`
  - `/var/containers/Shared/SystemGroup/*`
  - `/var/mobile/Containers/Data/Application/*`
  - `/var/mobile/Containers/Data/InternalDaemon/*`
  - `/var/mobile/Containers/Data/PluginKitPlugin/*`
  - `/var/mobile/Containers/Shared/AppGroup/*`
  - `/var/mobile/Containers/Shared/AppGroup`
 - Launch-time blocking progress UI, then auto-mount under
  `~/Documents/_sandbox/` and run `cd _sandbox; ls`.
 - App containers are exposed by bundle ID, with `Documents/ Library/ tmp/
  SystemData/ StoreKit/` and a `_data` link to the full container root.
 - `keep_content` is forced off: every launch starts a fresh terminal and does
  not restore the previous command history.
 - BadShell command set preserved.  `badshell` is renamed to **`sbxhelp`**.
 - Built-in **`neofetch`** with live device data (OS/build, model, kernel,
  uptime, resolution, CPU/GPU, memory, disk, battery, thermal, locale,
  timezone, IP).  It uses neofetch's compact Apple ASCII art, not a bash
  script.
 - Terminal-style app icon (generated by `icon/make_icon.py`).
 ## Shell commands
 ```
 sbxhelp                     help / mount overview
 sbx_status [-v]             app group, mount state, active handles
 sbx_remount                 re-run the full auto-mount
 sbx_grant [-c] <path>       consume a sandbox extension
 sbx_release <handle|path|all>
 sbx_ls <path>
 sbx_cat <file>
 sbx_cp <src> <dst>
 sbx_write [-a] <file> <text...>
 sbx_rm [-r] <path>
 sbx_hexdump [-n N] <file>
 sbx_containers [root]
 sbx_id <container>
 sbx_sysgroups [filter]
 sbx_probe
 sbx_paths
 bswelcome
 neofetch
 ```
 ## Native plugin environment
 `termenv` creates an independent prefix at `~/Documents/.terminal` and
 provides a native `apt`/`dpkg` compatible package front-end for
 Terminal-compatible `.deb` files (scripts or iOS/Darwin arm64 payloads).
 ```sh
 termenv init
 source ~/Documents/.terminal/etc/profile     # or: termenv on
 apt update
 apt install <package>
 dpkg -i <file.deb>
 dpkg -l
 mkdeb <name> <version> <payload-dir> [arch]
 plugin-run <command> [args...]
 ```
 Default sources:
 ```
 deb [trusted=yes] file://$PREFIX/repo ./
 deb [trusted=yes] https://repo.procurs.us/ ./
 deb [trusted=yes] https://repo.havoc.app/ ./
 ```
 `apt update` downloads `Packages.xz`/`.gz`/plain indexes.  Procursus/Havoc
 indexes may be unreachable from some networks; the local source still works.
 ### Important limitations
 - **Native Mach-O CLI binaries from Procursus/Havoc cannot run in a-Shell.**
  `ios_system`'s `isRealCommand` deliberately rejects Mach-O files, and a
  non-jailbroken app cannot execute unsigned external executables.  Script
  plugins (`#!/bin/sh`, python, perl, lua) and WebAssembly plugins can run;
  use `plugin-run` for a clear diagnostic.  Native binaries require a
  jailbreak or a Linux/emulator environment.
 - `bash` is a **sh-compatibility launcher**, not GNU bash.  `bash -c` and
  simple scripts work; bash-specific arrays/`[[` do not.
 - The Python package backend (`pkgtool`) is used when available.  The
  package-install path is still being polished; `apt update`, package
  download, extraction, `dpkg -l` and the local `hello` sample are the
  current test targets.
 - `apt` does not verify GPG signatures; sources are `[trusted=yes]`.
 ## Repository layout
 ```
 src/TerminalSBX.m        injected dylib: worse_query, UI, commands, neofetch
 env/                     native plugin environment commands
 icon/                    icon generator + compiled Assets.car
 scripts/                 entitlements, signing/build helpers
 ```
 ## Building
 Requirements: macOS + Xcode 27, the decrypted `a-Shell_2.3.2.ipa`, a signing
 identity and provisioning profile with an app group.
 1. Extract `Payload/a-Shell.app` to `work/Terminal.app`.
 2. Rename the executable `a-Shell` to `Terminal`; set `CFBundleIdentifier`
   `com.apple.Terminal`, `CFBundleName`/`CFBundleDisplayName` `Terminal`,
   `CFBundleExecutable` `Terminal`, and `AppGroupIdentifier` to a group in
   the profile.
 3. Build `src/TerminalSBX.m` as `Frameworks/TerminalSBX.dylib`
   (`scripts/build_dylib.sh`).
 4. Copy `env/*` into `Terminal.app/bin`; copy `icon/out/Assets.car` and the
   three `DisplayIcon*.png` files.
 5. Add the `sbx_*`, `sbxhelp`, `neofetch` entries to
   `commandDictionary.plist` pointing at
   `@executable_path/Frameworks/TerminalSBX.dylib`.
 6. Inject a weak `LC_LOAD_DYLIB` for
   `@executable_path/Frameworks/TerminalSBX.dylib` with LIEF
   (`scripts/inject_dylib.py`).
 7. Re-sign every framework with the same team, then the app with
   `scripts/ent.plist` and the provisioning profile
   (`scripts/sign_all.sh`).
 8. Install with `devicectl`/Feather/TrollStore as appropriate for the
   signing profile.
 The app in this repository is source-only; the signed IPA is a release asset
 and is not committed to Git.
 ## Credits
 - **a-Shell** — Nicolas Holzschuch, BSD-2-Clause.
 - **worse_query** — Taj C / forcequitOS, GPL-3.0.
 - **badshell** — wormprojects.
 - **pathleak** — forcequitOS.
 - **neofetch** — Dylan Araps (ASCII art/field inspiration), MIT.
 - The a-Shell full IPA was supplied by the operator for local research.
 All project-specific additions are released under GPL-3.0 (see `LICENSE`).
@@ -0,0 +1,316 @@
 #!/bin/sh
 # apt - native Terminal package front-end (Terminal-compatible .deb packages)
 # This is not Debian apt: it manages packages built for iOS/Terminal.
 ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
 LISTS="$ROOT/var/lib/apt/lists"
 INDEX="$LISTS/Packages"
 CACHE="$ROOT/var/cache/apt/archives"
 SOURCES="$ROOT/etc/apt/sources.list"
 VISITED=""
 DPKG="${APPDIR:-}/bin/dpkg"
 [ -f "$DPKG" ] || DPKG="dpkg"
 usage() {
    printf '%s\n' "Usage: apt <command>"
    printf '%s\n' ""
    printf '%s\n' "  update                  Refresh package indexes"
    printf '%s\n' "  search <text>           Search package names/descriptions"
    printf '%s\n' "  show <package>          Show package details"
    printf '%s\n' "  install <package|deb>   Install a package (dependencies are resolved locally)"
    printf '%s\n' "  remove|purge <package>  Remove a package"
    printf '%s\n' "  list --installed        List installed packages"
    printf '%s\n' "  list                    List packages in the current index"
    printf '%s\n' "  clean                   Clear downloaded archives"
    printf '%s\n' "  --version               Show version"
    printf '%s\n' ""
    printf '%s\n' "Default repository: file://$ROOT/repo"
    printf '%s\n' "Create packages with: mkdeb <name> <version> <payload-dir> [arch]"
 }
 ensure() {
    mkdir -p "$ROOT" "$LISTS" "$CACHE" "$ROOT/var/lib/dpkg" "$ROOT/tmp"
    [ -f "$ROOT/var/lib/dpkg/status" ] || : > "$ROOT/var/lib/dpkg/status"
 }
 field() {
    key="$1"; stanza="$2"
    tmp="$ROOT/tmp/field.$$"
    printf '%s\n' "$stanza" > "$tmp"
    awk -v key="$key" 'index($0,key": ")==1 { sub("^" key ": ",""); print; exit }' "$tmp"
    rm -f "$tmp"
 }
 find_stanza() {
    local pkg="$1"
    [ -f "$INDEX" ] || return 0
    awk -v pkg="$pkg" 'BEGIN{RS=""; ORS="\n\n"} $0 ~ "(^|\\n)Package: " pkg "(\\n|$)" { print; exit }' "$INDEX"
 }
 is_installed() {
    out="$ROOT/tmp/dpkg-status.$$"
    sh "$DPKG" -s "$1" > "$out" 2>/dev/null
    grep -q '^Status: install ok installed' "$out"
    result=$?
    rm -f "$out"
    return $result
 }
 decompress_index() {
    file="$1"
    out="$2"
    case "$file" in
        *.xz)
            xz -d -c "$file" >> "$out" 2>/dev/null || python3 -c 'import lzma,sys; sys.stdout.buffer.write(lzma.open(sys.argv[1],"rb").read())' "$file" >> "$out" 2>/dev/null
            ;;
        *.gz)
            gzip -dc "$file" >> "$out" 2>/dev/null || python3 -c 'import gzip,sys; sys.stdout.buffer.write(gzip.open(sys.argv[1],"rb").read())' "$file" >> "$out" 2>/dev/null
            ;;
        *)
            cat "$file" >> "$out"
            ;;
    esac
 }
 fetch_index() {
    URI="$1"
    TMPIDX="$ROOT/tmp/index.$$"
    rm -f "$TMPIDX" "$TMPIDX.xz" "$TMPIDX.gz"
    case "$URI" in
        file://*)
            DIR="${URI#file://}"
            for name in Packages Packages.xz Packages.gz; do
                if [ -f "$DIR/$name" ]; then
                    decompress_index "$DIR/$name" "$INDEX"
                    return 0
                fi
            done
            ;;
        http://*|https://*)
            if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages.xz" -o "$TMPIDX.xz" 2>/dev/null; then
                decompress_index "$TMPIDX.xz" "$INDEX"
                rm -f "$TMPIDX.xz"
                return 0
            fi
            if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages.gz" -o "$TMPIDX.gz" 2>/dev/null; then
                decompress_index "$TMPIDX.gz" "$INDEX"
                rm -f "$TMPIDX.gz"
                return 0
            fi
            if curl -L --fail --silent --connect-timeout 10 --max-time 120 "$URI/Packages" -o "$TMPIDX" 2>/dev/null; then
                cat "$TMPIDX" >> "$INDEX"
                rm -f "$TMPIDX"
                return 0
            fi
            ;;
    esac
    return 1
 }
 update_lists() {
    ensure
    echo "apt: updating package lists..."
    : > "$INDEX"
    if [ ! -f "$SOURCES" ]; then
        mkdir -p "$(dirname "$SOURCES")"
        printf 'deb [trusted=yes] file://%s/repo ./\n' "$ROOT" > "$SOURCES"
    fi
    n=1
    while [ $n -le 8 ]; do
        LINE=$(awk -v want="$n" '/^deb /{ count++; if (count == want) { print; exit } }' "$SOURCES")
        [ -n "$LINE" ] || break
        set -- $LINE
        if [ "${2:-}" = "[trusted=yes]" ]; then
            URI="${3:-}"; SUITE="${4:-./}"
        else
            URI="${2:-}"; SUITE="${3:-./}"
        fi
        if [ -n "$URI" ]; then
            case "$URI" in
                http://*|https://*)
                    if [ "${APT_SKIP_REMOTE:-0}" = "1" ]; then
                        echo "Ign:$n $URI (remote skipped)"
                        n=$((n + 1))
                        continue
                    fi
                    ;;
            esac
            if fetch_index "$URI"; then
                echo "Get:$n $URI $SUITE"
            else
                echo "Err:$n $URI (no index / unreachable)" >&2
            fi
        fi
        n=$((n + 1))
    done
    echo "Reading package lists... Done"
 }
 search_packages() {
    text="${1:-}"
    ensure
    [ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
    awk -v pat="$text" 'BEGIN{RS="";FS="\n"} {
        if (pat == "" || tolower($0) ~ tolower(pat)) {
            p=""; v=""; d="";
            for (i=1;i<=NF;i++) {
                if ($i ~ /^Package: /) p=substr($i,10);
                if ($i ~ /^Version: /) v=substr($i,10);
                if ($i ~ /^Description: /) d=substr($i,14);
            }
            if (p != "") printf "%-28s %-16s %s\n", p, v, d;
        }
    }' "$INDEX"
 }
 show_package() {
    pkg="${1:-}"
    ensure
    stanza=$(find_stanza "$pkg")
    if [ -z "$stanza" ]; then
        echo "E: Unable to locate package $pkg" >&2
        return 1
    fi
    printf '%s\n' "$stanza"
 }
 install_one() {
    local pkg="$1"
    local stanza version depends dep filename local_archive base oldifs
    [ -n "$pkg" ] || return 0
    case " $VISITED " in *" $pkg "*) return 0 ;; esac
    VISITED="$VISITED $pkg"
    if is_installed "$pkg"; then
        echo "$pkg is already the newest version."
        return 0
    fi
    stanza=$(find_stanza "$pkg")
    if [ -z "$stanza" ]; then
        for localdeb in "$ROOT/repo/pool/${pkg}"_*.deb; do
            if [ -f "$localdeb" ]; then
                echo "Installing $pkg from local pool..."
                sh "$DPKG" -i "$localdeb" || return 1
                return 0
            fi
        done
        echo "E: Unable to locate package $pkg" >&2
        return 1
    fi
    version=$(field Version "$stanza")
    depends=$(field Depends "$stanza")
    if [ -n "$depends" ]; then
        oldifs="$IFS"
        IFS=','
        for dep in $depends; do
            IFS="$oldifs"
            dep=${dep%%|*}
            dep=${dep%%(*}
            dep=$(echo "$dep" | tr -d ' ')
            dep=${dep%:any}
            [ -n "$dep" ] || continue
            if ! is_installed "$dep"; then
                if [ -n "$(find_stanza "$dep")" ]; then
                    echo "Installing dependency: $dep"
                    install_one "$dep" || return 1
                else
                    echo "W: dependency '$dep' is not in the index" >&2
                fi
            fi
            IFS=','
        done
        IFS="$oldifs"
    fi
    filename=$(field Filename "$stanza")
    if [ -z "$filename" ]; then
        echo "E: package $pkg has no Filename field" >&2
        return 1
    fi
    filename="${filename#./}"
    local_archive="$CACHE/${pkg}_${version}.deb"
    if [ -f "$ROOT/repo/$filename" ]; then
        cp "$ROOT/repo/$filename" "$local_archive" || return 1
    else
        fetched=0
        BASES=$(awk '/^deb /{for(i=1;i<=NF;i++) if($i ~ /^https?:/) print $i}' "$SOURCES")
        for base in $BASES; do
            if curl -L --fail --silent --connect-timeout 10 --max-time 180 "$base/$filename" -o "$local_archive" 2>/dev/null; then
                fetched=1
                break
            fi
        done
        if [ $fetched -ne 1 ]; then
            echo "E: cannot fetch $filename" >&2
            return 1
        fi
    fi
    echo "Installing $pkg ($version)..."
    echo "apt: invoking dpkg..."
    sh "$DPKG" -i "$local_archive" || return 1
    return 0
 }
 install_packages() {
    ensure
    echo "apt: resolving packages..."
    [ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
    status=0
    for arg in "$@"; do
        case "$arg" in
            *.deb)
                sh "$DPKG" -i "$arg" || status=1
                ;;
            *)
                install_one "$arg" || status=1
                ;;
        esac
    done
    echo "Done."
    return $status
 }
 remove_packages() {
    status=0
    for pkg in "$@"; do
        sh "$DPKG" -r "$pkg" || status=1
    done
    return $status
 }
 list_installed() {
    sh "$DPKG" -l
 }
 list_all() {
    ensure
    [ -f "$INDEX" ] || { echo "E: Run 'apt update' first" >&2; return 1; }
    awk 'BEGIN{RS="";FS="\n"} {
        p="";v="";a="";
        for(i=1;i<=NF;i++){
            if($i~/^Package: /)p=substr($i,10);
            if($i~/^Version: /)v=substr($i,10);
            if($i~/^Architecture: /)a=substr($i,14);
        }
        if(p!="") printf "%-28s %-16s %s\n", p, v, a;
    }' "$INDEX"
 }
 case "${1:-}" in
    update) update_lists ;;
    search) shift; search_packages "${1:-}" ;;
    show) shift; show_package "${1:-}" ;;
    install) shift; install_packages "$@" ;;
    remove|uninstall) shift; remove_packages "$@" ;;
    purge) shift; remove_packages "$@" ;;
    list)
        shift
        if [ "${1:-}" = "--installed" ]; then list_installed; else list_all; fi
        ;;
    clean)
        rm -f "$CACHE"/*.deb
        echo "Cleaned package archives"
        ;;
    --version|-v)
        echo "apt 1.0 (Terminal native package front-end)"
        ;;
    ""|-h|--help|help) usage ;;
    *) usage; exit 2 ;;
 esac
@@ -0,0 +1,4 @@
 #!/bin/sh
 # apt-get compatibility wrapper for the native Terminal package manager.
 sh "$APPDIR/bin/apt" "$@"
 exit $?
@@ -0,0 +1,71 @@
 #!/usr/bin/env python3
 """Minimal ar archive packer/extractor for .deb files on a-Shell.
 Usage:
  ardeb pack <out.ar> <file> [file ...]
  ardeb extract <in.ar> <dest-dir>
 """
 import os
 import sys
 def pack(out_path, files):
    with open(out_path, "wb") as out:
        out.write(b"!<arch>\n")
        for path in files:
            data = open(path, "rb").read()
            name = os.path.basename(path)
            if len(name) > 15:
                raise SystemExit("ardeb: member name too long: " + name)
            header = (
                name.ljust(16)
                + "0".ljust(12)
                + "0".ljust(6)
                + "0".ljust(6)
                + "100644".ljust(8)
                + str(len(data)).ljust(10)
                + "`\n"
            ).encode("ascii")
            out.write(header)
            out.write(data)
            if len(data) & 1:
                out.write(b"\n")
 def extract(archive, dest):
    data = open(archive, "rb").read()
    if not data.startswith(b"!<arch>\n"):
        raise SystemExit("ardeb: not an ar archive")
    os.makedirs(dest, exist_ok=True)
    pos = 8
    while pos + 60 <= len(data):
        header = data[pos:pos + 60]
        pos += 60
        name = header[:16].decode("ascii", "ignore").strip().rstrip("/")
        if not name:
            continue
        try:
            size = int(header[48:58].decode("ascii", "ignore").strip() or "0")
        except ValueError:
            size = 0
        body = data[pos:pos + size]
        pos += size + (size & 1)
        if name in (".", ".."):
            continue
        open(os.path.join(dest, name), "wb").write(body)
 def main():
    if len(sys.argv) < 4:
        raise SystemExit(__doc__)
    if sys.argv[1] == "pack":
        pack(sys.argv[2], sys.argv[3:])
    elif sys.argv[1] == "extract":
        extract(sys.argv[2], sys.argv[3])
    else:
        raise SystemExit(__doc__)
 if __name__ == "__main__":
    main()
@@ -0,0 +1,38 @@
 #!/bin/sh
 # bash-compat - a-Shell POSIX sh compatibility launcher.
 #
 # GNU bash is not bundled with Terminal.  This launcher provides the common
 # `bash script` / `bash -c 'command'` interface on top of a-Shell's sh so
 # simple plugin scripts work.  If a real bash is installed at
 # $PREFIX/bin/bash, the prefix PATH takes precedence over this launcher.
 if [ "${1:-}" = "--version" ] || [ "${1:-}" = "-version" ]; then
    echo "bash-compat 1.0 (a-Shell POSIX sh; GNU bash is not bundled)"
    exit 0
 fi
 if [ "${1:-}" = "-c" ]; then
    shift
    if [ $# -eq 0 ]; then
        echo "bash-compat: -c requires a command" >&2
        exit 2
    fi
    command="$1"
    shift
    sh -c "$command" "$@" 
    exit $?
 fi
 if [ $# -gt 0 ] && [ -f "$1" ]; then
    sh "$@"
    exit $?
 fi
 if [ $# -eq 0 ]; then
    echo "bash-compat: a-Shell POSIX sh.  GNU bash-specific syntax is not supported." >&2
    sh -s
    exit $?
 fi
 sh "$@"
 exit $?
@@ -0,0 +1,391 @@
 #!/bin/sh
 # dpkg - native Terminal package manager (Debian .deb format subset)
 #
 # Packages must be built for the native Terminal/iOS environment (scripts or
 # iOS/Darwin arm64 binaries).  Debian Linux arm64/amd64 packages are rejected
 # by default because their ELF binaries cannot run on iOS without an emulator.
 ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
 STATUS="$ROOT/var/lib/dpkg/status"
 INFO="$ROOT/var/lib/dpkg/info"
 FORCE_ARCH=0
 usage() {
    printf '%s\n' "Usage: dpkg <action>"
    printf '%s\n' ""
    printf '%s\n' "  -i, --install <file.deb>    Install a Terminal-compatible .deb"
    printf '%s\n' "  -r, --remove <package>      Remove a package"
    printf '%s\n' "  -P, --purge <package>       Remove a package (same as -r here)"
    printf '%s\n' "  -l, --list                  List installed packages"
    printf '%s\n' "  -s, --status <package>      Show package status"
    printf '%s\n' "  -L, --listfiles <package>   List files installed by a package"
    printf '%s\n' "  -x, --extract <deb> <dir>   Extract a .deb data archive"
    printf '%s\n' "  --contents <deb>            List the contents of a .deb"
    printf '%s\n' "  --print-architecture        Print the native architecture"
    printf '%s\n' "  --force-architecture        Allow non-native architecture packages"
    printf '%s\n' "  --version                   Show version"
 }
 ensure() {
    mkdir -p "$ROOT" "$INFO" "$ROOT/tmp" "$ROOT/var/lib/dpkg"
    [ -f "$STATUS" ] || : > "$STATUS"
 }
 field() {
    key="$1"; file="$2"
    awk -v key="$key" 'index($0,key": ")==1 { sub("^" key ": ",""); print; exit }' "$file"
 }
 stanza_field() {
    key="$1"; stanza="$2"
    printf '%s\n' "$stanza" | awk -v key="$key" 'index($0,key": ")==1 { sub("^" key ": ",""); print; exit }'
 }
 stanza_for() {
    pkg="$1"
    awk -v pkg="$pkg" 'BEGIN{RS=""; ORS="\n\n"} $0 ~ "(^|\\n)Package: " pkg "(\\n|$)" { print; exit }' "$STATUS"
 }
 remove_status() {
    pkg="$1"
    TMP="$ROOT/tmp/status.$$"
    awk -v pkg="$pkg" 'BEGIN{RS=""; ORS="\n\n"} $0 !~ "(^|\\n)Package: " pkg "(\\n|$)" { print }' "$STATUS" > "$TMP"
    mv "$TMP" "$STATUS"
 }
 append_status() {
    {
        echo "Package: $PKG"
        echo "Status: install ok installed"
        echo "Priority: ${PRIORITY:-optional}"
        echo "Section: ${SECTION:-plugins}"
        echo "Installed-Size: ${INSTALLED_SIZE:-0}"
        echo "Maintainer: ${MAINTAINER:-unknown}"
        echo "Architecture: ${ARCH:-iphoneos-arm64}"
        echo "Version: $VERSION"
        echo "Description: $DESCRIPTION"
        echo ""
    } >> "$STATUS"
 }
 ar_extract() {
    archive="$1"
    dest="$2"
    tar -xf "$archive" -C "$dest" >/dev/null 2>&1
    if [ ! -f "$dest/debian-binary" ]; then
        if python3 -c 'pass' >/dev/null 2>&1 && [ -f "$APPDIR/bin/ardeb" ]; then
            python3 "$APPDIR/bin/ardeb" extract "$archive" "$dest"
        fi
    fi
 }
 install_deb() {
    DEB="$1"
    if [ ! -f "$DEB" ]; then
        echo "dpkg: cannot access archive '$DEB': No such file" >&2
        return 1
    fi
    if python3 -c 'pass' >/dev/null 2>&1 && [ -f "$APPDIR/bin/pkgtool" ]; then
        python3 "$APPDIR/bin/pkgtool" install "$DEB"
        return $?
    fi
    ensure
    echo "dpkg: unpacking $DEB"
    TMP="$ROOT/tmp/dpkg.$$"
    rm -rf "$TMP"
    mkdir -p "$TMP"
    cp "$DEB" "$TMP/pkg.deb" || { rm -rf "$TMP"; return 1; }
    ar_extract "$TMP/pkg.deb" "$TMP"
    echo "dpkg: ar extracted"
    if [ ! -f "$TMP/debian-binary" ]; then
        echo "dpkg: '$DEB' is not a Debian-format archive" >&2
        rm -rf "$TMP"
        return 1
    fi
    CTRL_ARCHIVE=""
    for f in "$TMP"/control.tar.*; do [ -f "$f" ] && { CTRL_ARCHIVE="$f"; break; }; done
    DATA_ARCHIVE=""
    for f in "$TMP"/data.tar.*; do [ -f "$f" ] && { DATA_ARCHIVE="$f"; break; }; done
    if [ -z "$CTRL_ARCHIVE" ] || [ -z "$DATA_ARCHIVE" ]; then
        echo "dpkg: missing control or data archive" >&2
        rm -rf "$TMP"
        return 1
    fi
    mkdir -p "$TMP/control"
    case "$CTRL_ARCHIVE" in
        *.gz) tar -xzf "$CTRL_ARCHIVE" -C "$TMP/control" 2>/dev/null ;;
        *.xz) tar -xJf "$CTRL_ARCHIVE" -C "$TMP/control" 2>/dev/null ;;
        *)    tar -xf "$CTRL_ARCHIVE" -C "$TMP/control" 2>/dev/null ;;
    esac
    CONTROL=""
    if [ -f "$TMP/control/control" ]; then
        CONTROL="$TMP/control/control"
    elif [ -f "$TMP/control/DEBIAN/control" ]; then
        CONTROL="$TMP/control/DEBIAN/control"
    fi
    if [ -z "$CONTROL" ]; then
        echo "dpkg: no control file in package" >&2
        rm -rf "$TMP"
        return 1
    fi
    PKG=$(field Package "$CONTROL")
    VERSION=$(field Version "$CONTROL")
    ARCH=$(field Architecture "$CONTROL")
    PRIORITY=$(field Priority "$CONTROL")
    SECTION=$(field Section "$CONTROL")
    MAINTAINER=$(field Maintainer "$CONTROL")
    DESCRIPTION=$(field Description "$CONTROL")
    [ -n "$PKG" ] && [ -n "$VERSION" ] || {
        echo "dpkg: invalid control file (Package/Version missing)" >&2
        rm -rf "$TMP"
        return 1
    }
    case "$PKG" in
        *[!A-Za-z0-9+.-]*|"") echo "dpkg: invalid package name: $PKG" >&2; rm -rf "$TMP"; return 1 ;;
    esac
    case "$ARCH" in
        ""|all|iphoneos-arm64|darwin-arm64|a-shell) ;;
        *)
            if [ "$FORCE_ARCH" != "1" ]; then
                echo "dpkg: architecture '$ARCH' is not native to iOS/Terminal." >&2
                echo "      Debian Linux binaries cannot run without an emulator." >&2
                echo "      Use --force-architecture only for script-only packages." >&2
                rm -rf "$TMP"
                return 1
            fi
            echo "dpkg: warning: forcing architecture '$ARCH'" >&2
            ;;
    esac
    echo "Selecting previously unselected package $PKG."
    echo "Unpacking $PKG ($VERSION) ..."
    if [ -f "$TMP/control/preinst" ]; then
        TERM_ROOT="$ROOT" PREFIX="$ROOT" sh "$TMP/control/preinst" install || {
            echo "dpkg: preinst script failed" >&2
            rm -rf "$TMP"
            return 1
        }
    fi
    echo "dpkg: extracting data archive..."
    case "$DATA_ARCHIVE" in
        *.gz) tar -tzf "$DATA_ARCHIVE" 2>/dev/null > "$TMP/filelist" ;;
        *.xz) tar -tJf "$DATA_ARCHIVE" 2>/dev/null > "$TMP/filelist" ;;
        *)    tar -tf "$DATA_ARCHIVE" 2>/dev/null > "$TMP/filelist" ;;
    esac
    awk '{ sub(/^\.\//,""); if ($0 != "") print }' "$TMP/filelist" > "$INFO/$PKG.list"
    DATA_OK=0
    case "$DATA_ARCHIVE" in
        *.gz) tar -xzf "$DATA_ARCHIVE" -C "$ROOT" --no-same-owner 2>/dev/null && DATA_OK=1 ;;
        *.xz) tar -xJf "$DATA_ARCHIVE" -C "$ROOT" --no-same-owner 2>/dev/null && DATA_OK=1 ;;
        *)    tar -xf "$DATA_ARCHIVE" -C "$ROOT" --no-same-owner 2>/dev/null && DATA_OK=1 ;;
    esac
    if [ $DATA_OK -ne 1 ]; then
        case "$DATA_ARCHIVE" in
            *.gz) tar -xzf "$DATA_ARCHIVE" -C "$ROOT" 2>/dev/null && DATA_OK=1 ;;
            *.xz) tar -xJf "$DATA_ARCHIVE" -C "$ROOT" 2>/dev/null && DATA_OK=1 ;;
            *)    tar -xf "$DATA_ARCHIVE" -C "$ROOT" 2>/dev/null && DATA_OK=1 ;;
        esac
    fi
    if [ $DATA_OK -ne 1 ]; then
        echo "dpkg: failed to extract data archive" >&2
        rm -rf "$TMP"
        return 1
    fi
    # Warn about native Mach-O payloads: a-Shell cannot execute them.
    if [ -f "$INFO/$PKG.list" ]; then
        for f in $(cat "$INFO/$PKG.list"); do
            case "$f" in
                bin/*|sbin/*|usr/bin/*|usr/sbin/*|usr/libexec/*)
                    if file "$ROOT/$f" 2>/dev/null | grep -q 'Mach-O'; then
                        echo "dpkg: note: $f is a native Mach-O executable; a-Shell cannot run it." >&2
                    fi
                    ;;
            esac
        done
    fi
    remove_status "$PKG"
    INSTALLED_SIZE=$(du -sk "$ROOT" 2>/dev/null)
    INSTALLED_SIZE=${INSTALLED_SIZE%%[!0-9]*}
    append_status
    for script in preinst postinst prerm postrm; do
        if [ -f "$TMP/control/$script" ]; then
            cp "$TMP/control/$script" "$INFO/$PKG.$script"
            chmod +x "$INFO/$PKG.$script"
        fi
    done
    if [ -f "$TMP/control/postinst" ]; then
        TERM_ROOT="$ROOT" PREFIX="$ROOT" sh "$TMP/control/postinst" configure || {
            echo "dpkg: postinst script failed" >&2
            rm -rf "$TMP"
            return 1
        }
    fi
    echo "Setting up $PKG ($VERSION) ..."
    rm -rf "$TMP"
    return 0
 }
 remove_pkg() {
    PKG="$1"
    [ -n "$PKG" ] || { usage; return 2; }
    ensure
    STANZA=$(stanza_for "$PKG")
    if [ -z "$STANZA" ]; then
        echo "dpkg: package '$PKG' is not installed" >&2
        return 1
    fi
    if [ -f "$INFO/$PKG.prerm" ]; then
        ( TERM_ROOT="$ROOT" PREFIX="$ROOT" sh "$INFO/$PKG.prerm" remove ) || true
    fi
    if [ -f "$INFO/$PKG.list" ]; then
        for f in $(cat "$INFO/$PKG.list"); do
            case "$f" in
                ""|/*|../*|*/../*) continue ;;
            esac
            [ -d "$ROOT/$f" ] && continue
            rm -f "$ROOT/$f"
        done
    fi
    if [ -f "$INFO/$PKG.postrm" ]; then
        ( TERM_ROOT="$ROOT" PREFIX="$ROOT" sh "$INFO/$PKG.postrm" remove ) || true
    fi
    remove_status "$PKG"
    rm -f "$INFO/$PKG.list" "$INFO/$PKG.preinst" "$INFO/$PKG.postinst" \
          "$INFO/$PKG.prerm" "$INFO/$PKG.postrm"
    echo "Removing $PKG ..."
    echo "Purging configuration files for $PKG ..."
    return 0
 }
 list_packages() {
    ensure
    echo "Desired=Unknown/Install/Remove/Purge/Hold"
    echo "| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend"
    echo "|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)"
    echo "||/ Name                 Version          Architecture     Description"
    echo "+++-====================-================-================-================================="
    awk 'BEGIN{RS="";FS="\n"} {
        p="";v="";a="";d="";s="";
        for (i=1;i<=NF;i++) {
            if ($i ~ /^Package: /) p=substr($i,10);
            if ($i ~ /^Version: /) v=substr($i,10);
            if ($i ~ /^Architecture: /) a=substr($i,14);
            if ($i ~ /^Description: /) d=substr($i,14);
            if ($i ~ /^Status: /) s=substr($i,9);
        }
        if (s ~ /installed/) printf "ii  %-20s %-16s %-16s %s\n", p, v, a, d;
    }' "$STATUS"
 }
 status_pkg() {
    PKG="$1"
    STANZA=$(stanza_for "$PKG")
    if [ -z "$STANZA" ]; then
        echo "dpkg-query: package '$PKG' is not installed" >&2
        return 1
    fi
    printf '%s\n' "$STANZA"
 }
 list_files() {
    PKG="$1"
    if [ ! -f "$INFO/$PKG.list" ]; then
        echo "dpkg-query: package '$PKG' is not installed" >&2
        return 1
    fi
    sed "s#^#/#" "$INFO/$PKG.list"
 }
 extract_deb() {
    DEB="$1"; DEST="$2"
    [ -f "$DEB" ] || { echo "dpkg: cannot access '$DEB'" >&2; return 1; }
    [ -n "$DEST" ] || { usage; return 2; }
    TMP="$ROOT/tmp/dpkg-x.$$"
    rm -rf "$TMP"; mkdir -p "$TMP" "$DEST"
    cp "$DEB" "$TMP/pkg.deb"
    ar_extract "$TMP/pkg.deb" "$TMP"
    DATA=""
    for f in "$TMP"/data.tar.*; do [ -f "$f" ] && { DATA="$f"; break; }; done
    [ -n "$DATA" ] || { echo "dpkg: no data archive" >&2; rm -rf "$TMP"; return 1; }
    tar -xf "$DATA" -C "$DEST" --no-same-owner 2>/dev/null || tar -xf "$DATA" -C "$DEST" 2>/dev/null
    rm -rf "$TMP"
 }
 contents_deb() {
    DEB="$1"
    [ -f "$DEB" ] || { echo "dpkg: cannot access '$DEB'" >&2; return 1; }
    TMP="$ROOT/tmp/dpkg-c.$$"
    rm -rf "$TMP"; mkdir -p "$TMP"
    cp "$DEB" "$TMP/pkg.deb"
    ar_extract "$TMP/pkg.deb" "$TMP"
    DATA=""
    for f in "$TMP"/data.tar.*; do [ -f "$f" ] && { DATA="$f"; break; }; done
    [ -n "$DATA" ] || { echo "dpkg: no data archive" >&2; rm -rf "$TMP"; return 1; }
    case "$DATA" in
        *.gz) tar -tzf "$DATA" 2>/dev/null > "$TMP/contents" ;;
        *.xz) tar -tJf "$DATA" 2>/dev/null > "$TMP/contents" ;;
        *)    tar -tf "$DATA" 2>/dev/null > "$TMP/contents" ;;
    esac
    awk '{ sub(/^\.\//,""); if ($0 != "") print }' "$TMP/contents"
    rm -rf "$TMP"
 }
 case "${1:-}" in
    -i|--install)
        shift
        if [ "${1:-}" = "--force-architecture" ]; then FORCE_ARCH=1; shift; fi
        [ -n "${1:-}" ] || { usage; exit 2; }
        install_deb "$1"
        ;;
    -r|--remove|-P|--purge)
        shift
        remove_pkg "${1:-}"
        ;;
    -l|--list)
        list_packages
        ;;
    -s|--status)
        shift
        status_pkg "${1:-}"
        ;;
    -L|--listfiles)
        shift
        list_files "${1:-}"
        ;;
    -x|--extract)
        shift
        extract_deb "${1:-}" "${2:-}"
        ;;
    --contents)
        shift
        contents_deb "${1:-}"
        ;;
    --print-architecture)
        echo "iphoneos-arm64"
        ;;
    --force-architecture)
        FORCE_ARCH=1
        shift
        [ -n "${1:-}" ] && install_deb "$1"
        ;;
    --version|-V)
        echo "dpkg 1.0 (Terminal native package manager)"
        ;;
    ""|-h|--help|help)
        usage
        ;;
    *)
        usage
        exit 2
        ;;
 esac
@@ -0,0 +1,22 @@
 #!/bin/sh
 # dpkg-deb compatibility wrapper (subset: -x, -c, --contents)
 case "${1:-}" in
    -x|--extract)
        shift
        sh "$APPDIR/bin/dpkg" -x "$1" "$2"
 exit $?
        ;;
    -c|--contents)
        shift
        sh "$APPDIR/bin/dpkg" --contents "$1"
 exit $?
        ;;
    -b|--build)
        echo "dpkg-deb: use mkdeb <name> <version> <payload-dir> [arch]" >&2
        exit 2
        ;;
    *)
        echo "usage: dpkg-deb -x <deb> <dir> | -c <deb> | (use mkdeb to build)" >&2
        exit 2
        ;;
 esac
@@ -0,0 +1,109 @@
 #!/bin/sh
 # mkdeb - build a Terminal-compatible .deb package and add it to the local repo
 # Usage: mkdeb <name> <version> <payload-dir> [architecture]
 # The payload directory is copied to the prefix root; put files under
 # bin/, usr/bin/, lib/, share/, etc.  Maintainer scripts may be placed in
 # <payload-dir>/DEBIAN/{preinst,postinst,prerm,postrm}.
 ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
 NAME="${1:-}"
 VERSION="${2:-}"
 PAYLOAD="${3:-}"
 ARCH="${4:-iphoneos-arm64}"
 MAINTAINER="${MKDEB_MAINTAINER:-Terminal User <mobile@localhost>}"
 DESCRIPTION="${MKDEB_DESCRIPTION:-$NAME plugin for Terminal}"
 usage() {
    echo "usage: mkdeb <name> <version> <payload-dir> [architecture]" >&2
    echo "  architecture: iphoneos-arm64 (default), all, darwin-arm64" >&2
    exit 2
 }
 [ -n "$NAME" ] && [ -n "$VERSION" ] && [ -n "$PAYLOAD" ] || usage
 [ -d "$PAYLOAD" ] || { echo "mkdeb: payload directory not found: $PAYLOAD" >&2; exit 1; }
 case "$NAME" in
    *[!A-Za-z0-9+.-]*|"") echo "mkdeb: invalid package name: $NAME" >&2; exit 1 ;;
 esac
 echo "mkdeb: start $NAME $VERSION"
 mkdir -p "$ROOT/repo/pool" "$ROOT/tmp" "$ROOT/var/lib/dpkg/info"
 DEB="$ROOT/repo/pool/${NAME}_${VERSION}_${ARCH}.deb"
 if python3 -c 'pass' >/dev/null 2>&1 && [ -f "$APPDIR/bin/pkgtool" ]; then
    MKDEB_MAINTAINER="$MAINTAINER" MKDEB_DESCRIPTION="$DESCRIPTION" \
        python3 "$APPDIR/bin/pkgtool" build "$DEB" "$NAME" "$VERSION" "$ARCH" "$PAYLOAD" "${MKDEB_DEPENDS:-}"
    exit $?
 fi
 TMP="$ROOT/tmp/mkdeb.$$"
 rm -rf "$TMP"
 mkdir -p "$TMP/DEBIAN"
 # Control file.
 {
    echo "Package: $NAME"
    echo "Version: $VERSION"
    echo "Architecture: $ARCH"
    echo "Maintainer: $MAINTAINER"
    echo "Section: plugins"
    echo "Priority: optional"
    echo "Description: $DESCRIPTION"
    [ -n "${MKDEB_DEPENDS:-}" ] && echo "Depends: $MKDEB_DEPENDS"
 } > "$TMP/DEBIAN/control"
 # Optional maintainer scripts from the payload's DEBIAN directory.
 for script in preinst postinst prerm postrm; do
    if [ -f "$PAYLOAD/DEBIAN/$script" ]; then
        cp "$PAYLOAD/DEBIAN/$script" "$TMP/DEBIAN/$script"
        chmod +x "$TMP/DEBIAN/$script"
    fi
 done
 # Build the two tar archives.  Copy the payload first (no shell pipeline;
 # nested tar pipelines can stall inside a-Shell's in-process command model).
 DATA_TMP="$TMP/data"
 mkdir -p "$DATA_TMP"
 echo "mkdeb: copying payload..."
 cp -R "$PAYLOAD"/. "$DATA_TMP"/ 2>/dev/null
 rm -rf "$DATA_TMP/DEBIAN"
 echo "mkdeb: writing data archive..."
 tar -czf "$TMP/data.tar.gz" -C "$DATA_TMP" .
 echo "mkdeb: writing control archive..."
 tar -czf "$TMP/control.tar.gz" -C "$TMP" DEBIAN
 printf '2.0\n' > "$TMP/debian-binary"
 DEB="$ROOT/repo/pool/${NAME}_${VERSION}_${ARCH}.deb"
 rm -f "$DEB"
 echo "mkdeb: writing ar archive..."
 rm -f "$DEB"
 tar --format=ar -cf "$DEB" -C "$TMP" debian-binary control.tar.gz data.tar.gz >/dev/null 2>&1
 if [ ! -s "$DEB" ]; then
    echo "mkdeb: tar ar writer unavailable; trying Python fallback..." >&2
    if python3 -c 'pass' >/dev/null 2>&1 && [ -f "$APPDIR/bin/ardeb" ]; then
        python3 "$APPDIR/bin/ardeb" pack "$DEB" "$TMP/debian-binary" "$TMP/control.tar.gz" "$TMP/data.tar.gz"
    fi
 fi
 if [ ! -s "$DEB" ]; then
    echo "mkdeb: failed to create $DEB" >&2
    rm -rf "$TMP"
    exit 1
 fi
 # Update Packages: append the new package stanza.
 SIZE=$(wc -c < "$DEB" | tr -d ' ')
 PACKAGES="$ROOT/repo/Packages"
 touch "$PACKAGES"
 {
    echo "Package: $NAME"
    echo "Version: $VERSION"
    echo "Architecture: $ARCH"
    echo "Maintainer: $MAINTAINER"
    echo "Section: plugins"
    echo "Priority: optional"
    echo "Filename: pool/$(basename "$DEB")"
    echo "Size: $SIZE"
    echo "Description: $DESCRIPTION"
    [ -n "${MKDEB_DEPENDS:-}" ] && echo "Depends: $MKDEB_DEPENDS"
    echo ""
 } >> "$PACKAGES"
 rm -rf "$TMP"
 echo "$DEB"
@@ -0,0 +1,286 @@
 #!/usr/bin/env python3
 """pkgtool - Python package backend for Terminal's native apt/dpkg.
 This avoids a-Shell's shell/tar/ar quirks for package construction and
 extraction.  It is used when Python 3 is available (the full a-Shell app has
 it).  Native Mach-O payloads are installed but flagged as non-runnable.
 """
 import io
 import os
 import shutil
 import sys
 import tarfile
 import tempfile
 ROOT = os.environ.get("TERM_ROOT") or os.path.join(os.path.expanduser("~"), "Documents", ".terminal")
 INFO = os.path.join(ROOT, "var", "lib", "dpkg", "info")
 STATUS = os.path.join(ROOT, "var", "lib", "dpkg", "status")
 PACKAGES = os.path.join(ROOT, "repo", "Packages")
 def ar_pack(out_path, members):
    with open(out_path, "wb") as out:
        out.write(b"!<arch>\n")
        for path in members:
            data = open(path, "rb").read()
            name = os.path.basename(path)
            if len(name) > 15:
                raise SystemExit("pkgtool: ar member name too long: " + name)
            header = (
                name.ljust(16) + "0".ljust(12) + "0".ljust(6) + "0".ljust(6)
                + "100644".ljust(8) + str(len(data)).ljust(10) + "`\n"
            ).encode("ascii")
            out.write(header)
            out.write(data)
            if len(data) & 1:
                out.write(b"\n")
 def ar_unpack(archive, dest):
    data = open(archive, "rb").read()
    if not data.startswith(b"!<arch>\n"):
        raise SystemExit("pkgtool: not a Debian ar archive")
    pos = 8
    while pos + 60 <= len(data):
        header = data[pos:pos + 60]
        pos += 60
        name = header[:16].decode("ascii", "ignore").strip().rstrip("/")
        if not name:
            continue
        try:
            size = int(header[48:58].decode("ascii", "ignore").strip() or "0")
        except ValueError:
            size = 0
        body = data[pos:pos + size]
        pos += size + (size & 1)
        if name in (".", ".."):
            continue
        open(os.path.join(dest, name), "wb").write(body)
 def safe_extract(tar_path, dest):
    os.makedirs(dest, exist_ok=True)
    with tarfile.open(tar_path, "r:*") as tar:
        for member in tar.getmembers():
            name = member.name.lstrip("./")
            if not name or name.startswith("/") or ".." in name.split("/"):
                continue
            target = os.path.join(dest, name)
            if member.isdir():
                os.makedirs(target, exist_ok=True)
            elif member.isfile():
                os.makedirs(os.path.dirname(target), exist_ok=True)
                src = tar.extractfile(member)
                if src is None:
                    continue
                with open(target, "wb") as out:
                    shutil.copyfileobj(src, out)
                os.chmod(target, member.mode & 0o777)
            elif member.issym():
                os.makedirs(os.path.dirname(target), exist_ok=True)
                # Symlinks are installed relative to the package root.
                try:
                    os.symlink(member.linkname, target)
                except FileExistsError:
                    os.unlink(target)
                    os.symlink(member.linkname, target)
 def parse_control(control_path):
    fields = {}
    with open(control_path, "r", errors="replace") as f:
        for line in f:
            if line.startswith(" ") or line.startswith("\t"):
                continue
            if ":" in line:
                k, v = line.split(":", 1)
                fields[k.strip()] = v.strip()
    return fields
 def append_packages(fields, filename):
    os.makedirs(os.path.dirname(PACKAGES), exist_ok=True)
    with open(PACKAGES, "a") as f:
        f.write("Package: %s\n" % fields.get("Package", ""))
        f.write("Version: %s\n" % fields.get("Version", ""))
        f.write("Architecture: %s\n" % fields.get("Architecture", "iphoneos-arm64"))
        f.write("Maintainer: %s\n" % fields.get("Maintainer", "unknown"))
        f.write("Section: %s\n" % fields.get("Section", "plugins"))
        f.write("Priority: %s\n" % fields.get("Priority", "optional"))
        f.write("Filename: pool/%s\n" % os.path.basename(filename))
        f.write("Size: %d\n" % os.path.getsize(filename))
        if fields.get("Depends"):
            f.write("Depends: %s\n" % fields["Depends"])
        f.write("Description: %s\n\n" % fields.get("Description", ""))
 def build(out_path, name, version, arch, payload, depends=""):
    os.makedirs(os.path.dirname(packages_dir()), exist_ok=True)
    tmp = tempfile.mkdtemp(prefix="mkdeb.", dir=os.path.join(ROOT, "tmp"))
    try:
        control_dir = os.path.join(tmp, "DEBIAN")
        os.makedirs(control_dir, exist_ok=True)
        control = (
            "Package: %s\nVersion: %s\nArchitecture: %s\n"
            "Maintainer: %s\nSection: plugins\nPriority: optional\n"
            "Description: %s\n"
            % (name, version, arch,
               os.environ.get("MKDEB_MAINTAINER", "Terminal User <mobile@localhost>"),
               os.environ.get("MKDEB_DESCRIPTION", name + " plugin for Terminal"))
        )
        if depends:
            control += "Depends: %s\n" % depends
        open(os.path.join(control_dir, "control"), "w").write(control)
        payload_debian = os.path.join(payload, "DEBIAN")
        if os.path.isdir(payload_debian):
            for script in ("preinst", "postinst", "prerm", "postrm"):
                src = os.path.join(payload_debian, script)
                if os.path.isfile(src):
                    shutil.copy(src, os.path.join(control_dir, script))
        control_tar = os.path.join(tmp, "control.tar.gz")
        with tarfile.open(control_tar, "w:gz") as tar:
            for root, dirs, files in os.walk(control_dir):
                for fn in files:
                    full = os.path.join(root, fn)
                    arc = os.path.relpath(full, tmp)
                    tar.add(full, arcname=arc)
        data_tar = os.path.join(tmp, "data.tar.gz")
        with tarfile.open(data_tar, "w:gz") as tar:
            for root, dirs, files in os.walk(payload):
                dirs[:] = [d for d in dirs if not (root == payload and d == "DEBIAN")]
                for fn in files:
                    full = os.path.join(root, fn)
                    arc = os.path.relpath(full, payload)
                    tar.add(full, arcname="./" + arc)
        open(os.path.join(tmp, "debian-binary"), "w").write("2.0\n")
        ar_pack(out_path, [os.path.join(tmp, "debian-binary"), control_tar, data_tar])
        fields = parse_control(os.path.join(control_dir, "control"))
        append_packages(fields, out_path)
        print(out_path)
        return 0
    finally:
        shutil.rmtree(tmp, ignore_errors=True)
 def packages_dir():
    return os.path.join(ROOT, "repo", "pool")
 def install(deb):
    if not os.path.isfile(deb):
        print("pkgtool: cannot access archive %s" % deb, file=sys.stderr)
        return 1
    os.makedirs(INFO, exist_ok=True)
    os.makedirs(os.path.dirname(STATUS), exist_ok=True)
    tmp = tempfile.mkdtemp(prefix="dpkg.", dir=os.path.join(ROOT, "tmp"))
    try:
        ar_unpack(deb, tmp)
        control_tar = data_tar = None
        for fn in os.listdir(tmp):
            if fn.startswith("control.tar"):
                control_tar = os.path.join(tmp, fn)
            elif fn.startswith("data.tar"):
                data_tar = os.path.join(tmp, fn)
        if not control_tar or not data_tar:
            print("pkgtool: missing control or data archive", file=sys.stderr)
            return 1
        control_dir = os.path.join(tmp, "control")
        safe_extract(control_tar, control_dir)
        control_path = os.path.join(control_dir, "control")
        if not os.path.isfile(control_path):
            control_path = os.path.join(control_dir, "DEBIAN", "control")
        if not os.path.isfile(control_path):
            print("pkgtool: control file not found", file=sys.stderr)
            return 1
        fields = parse_control(control_path)
        pkg = fields.get("Package", "")
        version = fields.get("Version", "")
        arch = fields.get("Architecture", "iphoneos-arm64")
        if not pkg or not version:
            print("pkgtool: invalid control (Package/Version missing)", file=sys.stderr)
            return 1
        if arch not in ("", "all", "iphoneos-arm64", "darwin-arm64", "a-shell"):
            print("pkgtool: architecture '%s' is not native to iOS/Terminal" % arch, file=sys.stderr)
            print("pkgtool: use the shell dpkg --force-architecture only for script packages", file=sys.stderr)
            return 1
        print("Selecting previously unselected package %s." % pkg)
        print("Unpacking %s (%s) ..." % (pkg, version))
        safe_extract(data_tar, ROOT)
        file_list = []
        with tarfile.open(data_tar, "r:*") as tar:
            for member in tar.getmembers():
                name = member.name.lstrip("./")
                if name and not name.startswith("/") and ".." not in name.split("/"):
                    file_list.append(name)
                    if member.isfile() and any(part in ("bin", "sbin", "libexec") for part in name.split("/")):
                        full = os.path.join(ROOT, name)
                        try:
                            magic = open(full, "rb").read(4)
                        except OSError:
                            magic = b""
                        if magic in (b"\xcf\xfa\xed\xfe", b"\xfe\xed\xfa\xcf"):
                            print("pkgtool: note: %s is a native Mach-O binary; a-Shell cannot run it." % name, file=sys.stderr)
        open(os.path.join(INFO, pkg + ".list"), "w").write("\n".join(file_list) + "\n")
        # Maintainer scripts are kept for inspection/removal, but not executed:
        # a-Shell has no fork/exec for arbitrary shell children in the Python
        # backend.  Script-only packages should use dpkg's shell path if needed.
        for script in ("preinst", "postinst", "prerm", "postrm"):
            src = os.path.join(control_dir, "DEBIAN", script)
            if not os.path.isfile(src):
                src = os.path.join(control_dir, script)
            if os.path.isfile(src):
                shutil.copy(src, os.path.join(INFO, pkg + "." + script))
        # Replace the package stanza in the status database.
        stanzas = []
        if os.path.isfile(STATUS):
            with open(STATUS, "r", errors="replace") as f:
                current = []
                for line in f:
                    if line.strip() == "":
                        if current:
                            stanzas.append("".join(current))
                            current = []
                    else:
                        current.append(line)
                if current:
                    stanzas.append("".join(current))
        kept = [s for s in stanzas if not s.startswith("Package: %s\n" % pkg)]
        kept.append(
            "Package: %s\nStatus: install ok installed\nPriority: %s\nSection: %s\n"
            "Maintainer: %s\nArchitecture: %s\nVersion: %s\nDescription: %s\n\n"
            % (pkg, fields.get("Priority", "optional"), fields.get("Section", "plugins"),
               fields.get("Maintainer", "unknown"), arch, version,
               fields.get("Description", ""))
        )
        open(STATUS, "w").write("\n".join(kept))
        print("Setting up %s (%s) ..." % (pkg, version))
        return 0
    finally:
        shutil.rmtree(tmp, ignore_errors=True)
 def main():
    if len(sys.argv) < 2:
        print(__doc__)
        return 2
    cmd = sys.argv[1]
    if cmd == "build" and len(sys.argv) >= 7:
        return build(sys.argv[2], sys.argv[3], sys.argv[4], sys.argv[5], sys.argv[6],
                     sys.argv[7] if len(sys.argv) > 7 else "")
    if cmd == "install" and len(sys.argv) >= 3:
        return install(sys.argv[2])
    print(__doc__)
    return 2
 if __name__ == "__main__":
    raise SystemExit(main())
@@ -0,0 +1,32 @@
 #!/bin/sh
 # plugin-run - run a native Terminal plugin safely.
 # a-Shell's in-process command loader refuses standalone Mach-O binaries;
 # script plugins and WebAssembly plugins can run.  This wrapper gives a clear
 # error instead of "command not found" for native packages.
 ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
 if [ $# -eq 0 ]; then
    echo "usage: plugin-run <command> [args...]" >&2
    exit 2
 fi
 CMD="$1"
 shift
 FOUND=$(which "$CMD" 2>/dev/null)
 if [ -z "$FOUND" ]; then
    echo "plugin-run: '$CMD' not found in PATH" >&2
    exit 127
 fi
 MAGIC=$(dd if="$FOUND" bs=4 count=1 2>/dev/null | od -An -tx1 2>/dev/null | tr -d ' \n')
 case "$MAGIC" in
    cffaedfe|feedfacf|cafebabe|bebafeca)
        echo "plugin-run: '$CMD' is a native Mach-O executable." >&2
        echo "a-Shell does not execute standalone Mach-O binaries in its sandbox." >&2
        echo "Native Procursus/Havoc CLI packages require a jailbreak or a Linux emulator." >&2
        echo "Script plugins (#!/bin/sh, python, perl, lua, wasm) can run normally." >&2
        exit 126
        ;;
 esac
 "$FOUND" "$@"
@@ -0,0 +1,222 @@
 #!/bin/sh
 # termenv - independent native plugin environment for Terminal
 # This is a POSIX sh environment, not a Linux userland.  Packages are
 # Terminal-compatible .deb files (scripts or iOS/Darwin arm64 binaries).
 ROOT="${TERM_ROOT:-$HOME/Documents/.terminal}"
 APPDIR="${APPDIR:-/Applications/Terminal.app}"
 PROFILE="$ROOT/etc/profile"
 SOURCES="$ROOT/etc/apt/sources.list"
 usage() {
    printf '%s\n' "Usage: termenv <command>"
    printf '%s\n' ""
    printf '%s\n' "  init            Create the independent prefix and the local apt repository"
    printf '%s\n' "  status          Show prefix, PATH, apt/dpkg and installed packages"
    printf '%s\n' "  enter           Print the command that activates the environment"
    printf '%s\n' "  run <cmd...>    Run a command inside the environment"
    printf '%s\n' "  on              Add activation to ~/Documents/.profile"
    printf '%s\n' "  off             Remove activation from ~/Documents/.profile"
    printf '%s\n' "  selftest        init + apt update + install the sample \"hello\" package"
    printf '%s\n' "  clean           Remove apt caches and temporary files"
    printf '%s\n' ""
    printf '%s\n' "Environment:"
    printf '%s\n' "  TERM_ROOT=~/Documents/.terminal"
    printf '%s\n' "  PREFIX=$TERM_ROOT"
 }
 ensure_dirs() {
    mkdir -p "$ROOT/bin" "$ROOT/sbin" "$ROOT/lib" "$ROOT/include" \
             "$ROOT/share/man" "$ROOT/etc/apt" \
             "$ROOT/var/lib/dpkg/info" "$ROOT/var/lib/apt/lists" \
             "$ROOT/var/cache/apt/archives" "$ROOT/var/log" \
             "$ROOT/tmp" "$ROOT/repo/pool" "$ROOT/home"
    [ -f "$ROOT/var/lib/dpkg/status" ] || : > "$ROOT/var/lib/dpkg/status"
 }
 write_profile() {
    if [ ! -f "$PROFILE" ]; then
        cat > "$PROFILE" <<EOF
 # Terminal plugin environment (generated by termenv init)
 TERM_ROOT="\$HOME/Documents/.terminal"
 export TERM_ROOT
 PREFIX="\$TERM_ROOT"
 export PREFIX
 TERM_PLUGIN_ENV=1
 export TERM_PLUGIN_ENV
 PATH="\$TERM_ROOT/bin:\$TERM_ROOT/sbin:\$TERM_ROOT/usr/bin:\$PATH"
 export PATH
 LD_LIBRARY_PATH="\$TERM_ROOT/lib:\$TERM_ROOT/usr/lib:\$LD_LIBRARY_PATH"
 export LD_LIBRARY_PATH
 CPATH="\$TERM_ROOT/include:\$CPATH"
 export CPATH
 LIBRARY_PATH="\$TERM_ROOT/lib:\$TERM_ROOT/usr/lib:\$LIBRARY_PATH"
 export LIBRARY_PATH
 PKG_CONFIG_PATH="\$TERM_ROOT/lib/pkgconfig:\$PKG_CONFIG_PATH"
 export PKG_CONFIG_PATH
 MANPATH="\$TERM_ROOT/share/man:\$MANPATH"
 export MANPATH
 EOF
    fi
 }
 write_sources() {
    LOCAL_LINE="deb [trusted=yes] file://$ROOT/repo ./"
    PROCURUS_LINE="deb [trusted=yes] https://repo.procurs.us/ ./"
    HAVOC_LINE="deb [trusted=yes] https://repo.havoc.app/ ./"
    if [ ! -f "$SOURCES" ]; then
        {
            printf '%s\n' "$LOCAL_LINE"
            printf '%s\n' "$PROCURUS_LINE"
            printf '%s\n' "$HAVOC_LINE"
        } > "$SOURCES"
        return
    fi
    TMP="$ROOT/tmp/sources.$$"
    awk -v desired="$LOCAL_LINE" '
        /^deb .*file:\/\/.*\/\.terminal\/repo/ { print desired; found=1; next }
        { print }
        END { if (!found) print desired }
    ' "$SOURCES" > "$TMP"
    mv "$TMP" "$SOURCES"
    if ! grep -qF "https://repo.procurs.us/" "$SOURCES"; then
        printf '%s\n' "$PROCURUS_LINE" >> "$SOURCES"
    fi
    if ! grep -qF "https://repo.havoc.app/" "$SOURCES"; then
        printf '%s\n' "$HAVOC_LINE" >> "$SOURCES"
    fi
 }
 make_sample() {
    if grep -q '^Package: hello$' "$ROOT/repo/Packages" 2>/dev/null; then
        return 0
    fi
    SAMPLE="$ROOT/share/termenv/samples/hello"
    mkdir -p "$SAMPLE/bin"
    cat > "$SAMPLE/bin/hello" << 'EOF'
 #!/bin/sh
 echo "Hello from the Terminal plugin environment."
 echo "PREFIX=$PREFIX"
 echo "TERM_ROOT=$TERM_ROOT"
 if [ -d "$HOME/Documents/_sandbox" ]; then
    echo "Sandbox escape: available (see $HOME/Documents/_sandbox)"
 fi
 EOF
    chmod +x "$SAMPLE/bin/hello"
    if [ -f "$APPDIR/bin/mkdeb" ]; then
        sh "$APPDIR/bin/mkdeb" hello 1.0.0 "$SAMPLE" iphoneos-arm64
        echo "termenv: mkdeb exit=$?"
    fi
 }
 do_init() {
    echo "termenv: creating directories..."
    ensure_dirs
    echo "termenv: writing profile/sources..."
    write_profile
    write_sources
    [ -f "$ROOT/repo/Packages" ] || : > "$ROOT/repo/Packages"
    echo "termenv: creating sample package..."
    make_sample
    echo "termenv: sample ready"
    echo "Prefix: $ROOT"
    echo "Profile: $PROFILE"
    echo "Run: source \"$PROFILE\"    (or: termenv on)"
 }
 do_status() {
    ensure_dirs
    echo "Terminal native plugin environment"
    echo "  prefix:   $ROOT"
    echo "  profile:  $PROFILE"
    echo "  apt:      $APPDIR/bin/apt"
    echo "  dpkg:     $APPDIR/bin/dpkg"
    echo "  sources:  $SOURCES"
    if [ -f "$SOURCES" ]; then
        sed 's/^/            /' "$SOURCES"
    fi
    echo "  packages:"
    if [ -s "$ROOT/var/lib/dpkg/status" ]; then
        awk '/^Package: /{printf "            %s", substr($0,10)} /^Version: /{printf " %s", substr($0,10)} /^Status: /{status=substr($0,9)} /^$/{if(status ~ /installed/) print ""}' "$ROOT/var/lib/dpkg/status"
    else
        echo "            (none)"
    fi
    echo "  sandbox:  $HOME/Documents/_sandbox"
 }
 do_run() {
    if [ $# -eq 0 ]; then
        echo "usage: termenv run <command...>" >&2
        exit 2
    fi
    if [ -f "$PROFILE" ]; then
        . "$PROFILE"
    fi
    "$@"
 }
 do_on() {
    do_init
    PROFILE_FILE="$HOME/Documents/.profile"
    MARK_BEGIN="# >>> Terminal plugin environment >>>"
    MARK_END="# <<< Terminal plugin environment <<<"
    if grep -qF "$MARK_BEGIN" "$PROFILE_FILE" 2>/dev/null; then
        echo "Activation already present in $PROFILE_FILE"
        return 0
    fi
    {
        echo "$MARK_BEGIN"
        echo "source \"\$HOME/Documents/.terminal/etc/profile\""
        echo "$MARK_END"
    } >> "$PROFILE_FILE"
    echo "Activation added to $PROFILE_FILE"
 }
 do_off() {
    PROFILE_FILE="$HOME/Documents/.profile"
    if [ ! -f "$PROFILE_FILE" ]; then
        echo "No $PROFILE_FILE"
        return 0
    fi
    TMP="$ROOT/tmp/profile.$$"
    awk '
        /# >>> Terminal plugin environment >>>/ {skip=1; next}
        /# <<< Terminal plugin environment <<</ {skip=0; next}
        !skip {print}
    ' "$PROFILE_FILE" > "$TMP"
    mv "$TMP" "$PROFILE_FILE"
    echo "Activation removed from $PROFILE_FILE"
 }
 do_clean() {
    rm -rf "$ROOT/tmp"/*
    rm -f "$ROOT/var/cache/apt/archives/"*.deb
    echo "Cleaned caches"
 }
 do_selftest() {
    do_init
    . "$PROFILE"
    echo "=== apt update ==="
    APT_SKIP_REMOTE=1 sh "$APPDIR/bin/apt" update
    echo "=== apt install hello ==="
    sh "$APPDIR/bin/apt" install hello
    echo "=== hello ==="
    hello
    echo "=== installed packages ==="
    sh "$APPDIR/bin/apt" list --installed
    echo "=== dpkg -l ==="
    sh "$APPDIR/bin/dpkg" -l
 }
 case "${1:-}" in
    init) do_init ;;
    status) do_status ;;
    enter) echo "source \"$PROFILE\"" ;;
    run) shift; do_run "$@" ;;
    on) do_on ;;
    off) do_off ;;
    clean) do_clean ;;
    selftest) do_selftest ;;
    ""|-h|--help|help) usage ;;
    *) usage; exit 2 ;;
 esac
@@ -0,0 +1,6 @@
 {
  "info": {
    "author": "xcode",
    "version": 1
  }
 }
@@ -0,0 +1,116 @@
 {
  "images": [
    {
      "filename": "DisplayIcon20x20@2x.png",
      "idiom": "iphone",
      "scale": "2x",
      "size": "20x20"
    },
    {
      "filename": "DisplayIcon20x20@3x.png",
      "idiom": "iphone",
      "scale": "3x",
      "size": "20x20"
    },
    {
      "filename": "DisplayIcon29x29@2x.png",
      "idiom": "iphone",
      "scale": "2x",
      "size": "29x29"
    },
    {
      "filename": "DisplayIcon29x29@3x.png",
      "idiom": "iphone",
      "scale": "3x",
      "size": "29x29"
    },
    {
      "filename": "DisplayIcon40x40@2x.png",
      "idiom": "iphone",
      "scale": "2x",
      "size": "40x40"
    },
    {
      "filename": "DisplayIcon40x40@3x.png",
      "idiom": "iphone",
      "scale": "3x",
      "size": "40x40"
    },
    {
      "filename": "DisplayIcon60x60@2x.png",
      "idiom": "iphone",
      "scale": "2x",
      "size": "60x60"
    },
    {
      "filename": "DisplayIcon60x60@3x.png",
      "idiom": "iphone",
      "scale": "3x",
      "size": "60x60"
    },
    {
      "filename": "DisplayIcon20x20~ipad.png",
      "idiom": "ipad",
      "scale": "1x",
      "size": "20x20"
    },
    {
      "filename": "DisplayIcon20x20@2x~ipad.png",
      "idiom": "ipad",
      "scale": "2x",
      "size": "20x20"
    },
    {
      "filename": "DisplayIcon29x29~ipad.png",
      "idiom": "ipad",
      "scale": "1x",
      "size": "29x29"
    },
    {
      "filename": "DisplayIcon29x29@2x~ipad.png",
      "idiom": "ipad",
      "scale": "2x",
      "size": "29x29"
    },
    {
      "filename": "DisplayIcon40x40~ipad.png",
      "idiom": "ipad",
      "scale": "1x",
      "size": "40x40"
    },
    {
      "filename": "DisplayIcon40x40@2x~ipad.png",
      "idiom": "ipad",
      "scale": "2x",
      "size": "40x40"
    },
    {
      "filename": "DisplayIcon76x76~ipad.png",
      "idiom": "ipad",
      "scale": "1x",
      "size": "76x76"
    },
    {
      "filename": "DisplayIcon76x76@2x~ipad.png",
      "idiom": "ipad",
      "scale": "2x",
      "size": "76x76"
    },
    {
      "filename": "DisplayIcon83.5x83.5@2x~ipad.png",
      "idiom": "ipad",
      "scale": "2x",
      "size": "83.5x83.5"
    },
    {
      "filename": "DisplayIcon1024.png",
      "idiom": "ios-marketing",
      "scale": "1x",
      "size": "1024x1024"
    }
  ],
  "info": {
    "author": "xcode",
    "version": 1
  }
 }
@@ -0,0 +1,142 @@
 #!/usr/bin/env python3
 """Generate the Terminal app icon set (macOS + Pillow)."""
 import json
 import os
 import shutil
 import subprocess
 import sys
 from PIL import Image, ImageDraw, ImageFilter, ImageFont
 ROOT = os.path.dirname(os.path.abspath(__file__))
 MASTER = os.path.join(ROOT, "icon-master.png")
 ASSETS = os.path.join(ROOT, "Assets.xcassets")
 ICONSET = os.path.join(ASSETS, "DisplayIcon.appiconset")
 OUT = os.path.join(ROOT, "out")
 SIZE = 1024
 # Background gradient (deep blue-black to black).
 img = Image.new("RGB", (SIZE, SIZE), (5, 7, 10))
 pix = img.load()
 for y in range(SIZE):
    t = y / (SIZE - 1)
    r = int(8 + 10 * t)
    g = int(13 + 15 * t)
    b = int(20 + 22 * t)
    for x in range(SIZE):
        # A very subtle vertical/horizontal vignette.
        edge = min(x, SIZE - 1 - x, y, SIZE - 1 - y) / (SIZE / 2)
        v = 0.85 + 0.15 * min(1.0, edge)
        pix[x, y] = (int(r * v), int(g * v), int(b * v))
 draw = ImageDraw.Draw(img)
 # Terminal card.
 card = (112, 154, 912, 870)
 radius = 96
 draw.rounded_rectangle(card, radius=radius, fill=(13, 17, 23), outline=(48, 54, 61), width=10)
 # Top bar with traffic-light dots.
 top = (112, 154, 912, 300)
 draw.rounded_rectangle(top, radius=radius, fill=(22, 27, 34))
 draw.rectangle((112, 250, 912, 300), fill=(22, 27, 34))
 draw.line((112, 300, 912, 300), fill=(48, 54, 61), width=6)
 for cx, color in ((206, (255, 95, 86)), (286, (255, 189, 46)), (366, (39, 201, 63))):
    draw.ellipse((cx - 28, 201, cx + 28, 257), fill=color)
 # Green prompt glow.
 glow = Image.new("RGBA", (SIZE, SIZE), (0, 0, 0, 0))
 gdraw = ImageDraw.Draw(glow)
 try:
    font = ImageFont.truetype("/System/Library/Fonts/Menlo.ttc", 400, index=1)
 except Exception:
    font = ImageFont.truetype("/System/Library/Fonts/Menlo.ttc", 400, index=0)
 text = ">_"
 bbox = gdraw.textbbox((0, 0), text, font=font)
 tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1]
 tx = (SIZE - tw) // 2 - bbox[0]
 ty = 430 - bbox[1]
 gdraw.text((tx, ty), text, font=font, fill=(57, 211, 83, 255))
 glow = glow.filter(ImageFilter.GaussianBlur(34))
 img = Image.alpha_composite(img.convert("RGBA"), glow).convert("RGB")
 draw = ImageDraw.Draw(img)
 # Crisp prompt and a terminal cursor block.
 draw.text((tx, ty), text, font=font, fill=(63, 185, 80))
 cursor_x = tx + tw + 28
 cursor_y = ty + int(th * 0.58)
 draw.rounded_rectangle((cursor_x, cursor_y, cursor_x + 92, cursor_y + 30), radius=8, fill=(63, 185, 80))
 # A faint bottom label.
 try:
    label_font = ImageFont.truetype("/System/Library/Fonts/SFNSMono.ttf", 44)
 except Exception:
    label_font = ImageFont.truetype("/System/Library/Fonts/Menlo.ttc", 54)
 label = "Terminal"
 lbbox = draw.textbbox((0, 0), label, font=label_font)
 lw = lbbox[2] - lbbox[0]
 draw.text(((SIZE - lw) // 2, 780), label, font=label_font, fill=(88, 166, 255))
 img.save(MASTER)
 # Asset catalog.
 if os.path.isdir(OUT):
    shutil.rmtree(OUT)
 os.makedirs(OUT, exist_ok=True)
 if os.path.isdir(ASSETS):
    shutil.rmtree(ASSETS)
 os.makedirs(ICONSET, exist_ok=True)
 with open(os.path.join(ASSETS, "Contents.json"), "w") as f:
    json.dump({"info": {"author": "xcode", "version": 1}}, f, indent=2)
 # (idiom, size, scale, filename)
 specs = [
    ("iphone", "20x20", "2x", "DisplayIcon20x20@2x.png"),
    ("iphone", "20x20", "3x", "DisplayIcon20x20@3x.png"),
    ("iphone", "29x29", "2x", "DisplayIcon29x29@2x.png"),
    ("iphone", "29x29", "3x", "DisplayIcon29x29@3x.png"),
    ("iphone", "40x40", "2x", "DisplayIcon40x40@2x.png"),
    ("iphone", "40x40", "3x", "DisplayIcon40x40@3x.png"),
    ("iphone", "60x60", "2x", "DisplayIcon60x60@2x.png"),
    ("iphone", "60x60", "3x", "DisplayIcon60x60@3x.png"),
    ("ipad", "20x20", "1x", "DisplayIcon20x20~ipad.png"),
    ("ipad", "20x20", "2x", "DisplayIcon20x20@2x~ipad.png"),
    ("ipad", "29x29", "1x", "DisplayIcon29x29~ipad.png"),
    ("ipad", "29x29", "2x", "DisplayIcon29x29@2x~ipad.png"),
    ("ipad", "40x40", "1x", "DisplayIcon40x40~ipad.png"),
    ("ipad", "40x40", "2x", "DisplayIcon40x40@2x~ipad.png"),
    ("ipad", "76x76", "1x", "DisplayIcon76x76~ipad.png"),
    ("ipad", "76x76", "2x", "DisplayIcon76x76@2x~ipad.png"),
    ("ipad", "83.5x83.5", "2x", "DisplayIcon83.5x83.5@2x~ipad.png"),
    ("ios-marketing", "1024x1024", "1x", "DisplayIcon1024.png"),
 ]
 images = []
 for idiom, size, scale, name in specs:
    points = float(size.split("x")[0])
    px = int(round(points * int(scale.rstrip("x"))))
    resized = img.resize((px, px), Image.LANCZOS)
    resized.save(os.path.join(ICONSET, name))
    images.append({"filename": name, "idiom": idiom, "scale": scale, "size": size})
 with open(os.path.join(ICONSET, "Contents.json"), "w") as f:
    json.dump({"images": images, "info": {"author": "xcode", "version": 1}}, f, indent=2)
 # Compile the asset catalog with Xcode's actool.
 subprocess.run([
    "xcrun", "actool",
    "--compile", OUT,
    "--platform", "iphoneos",
    "--minimum-deployment-target", "15.0",
    "--app-icon", "DisplayIcon",
    "--output-partial-info-plist", os.path.join(OUT, "partial-info.plist"),
    "--target-device", "iphone",
    "--target-device", "ipad",
    ASSETS,
 ], check=True)
 print("master:", MASTER)
 print("assets.car:", os.path.join(OUT, "Assets.car"))
 print("generated files:")
 for name in sorted(os.listdir(OUT)):
    print(" ", name)
@@ -0,0 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>CFBundleIcons</key>
 	<dict>
 		<key>CFBundlePrimaryIcon</key>
 		<dict>
 			<key>CFBundleIconFiles</key>
 			<array>
 				<string>DisplayIcon60x60</string>
 			</array>
 			<key>CFBundleIconName</key>
 			<string>DisplayIcon</string>
 		</dict>
 	</dict>
 	<key>CFBundleIcons~ipad</key>
 	<dict>
 		<key>CFBundlePrimaryIcon</key>
 		<dict>
 			<key>CFBundleIconFiles</key>
 			<array>
 				<string>DisplayIcon60x60</string>
 				<string>DisplayIcon76x76</string>
 			</array>
 			<key>CFBundleIconName</key>
 			<string>DisplayIcon</string>
 		</dict>
 	</dict>
 </dict>
 </plist>
@@ -0,0 +1,14 @@
 #!/bin/bash
 # Build TerminalSBX.dylib for iOS arm64.
 set -euo pipefail
 ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 SDK="$(xcrun --sdk iphoneos --show-sdk-path)"
 mkdir -p "$ROOT/build"
 xcrun --sdk iphoneos clang \
  -arch arm64 -miphoneos-version-min=15.0 -isysroot "$SDK" \
  -dynamiclib -fobjc-arc -fmodules -fblocks -O2 \
  -Wno-unused-parameter -Wno-arc-performSelector-leaks \
  -framework Foundation -framework Security -framework UIKit -framework Metal \
  -install_name @executable_path/Frameworks/TerminalSBX.dylib \
  -o "$ROOT/build/TerminalSBX.dylib" "$ROOT/src/TerminalSBX.m"
 echo "$ROOT/build/TerminalSBX.dylib"
@@ -0,0 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0"><dict>
 <key>application-identifier</key><string>NL6UD7G49R.com.cert.account.t260930000125</string>
 <key>com.apple.developer.team-identifier</key><string>NL6UD7G49R</string>
 <key>com.apple.security.application-groups</key><array>
 <string>group.com.cert.account.t260930000125.01</string>
 <string>group.com.cert.account.t260930000125.02</string>
 <string>group.com.cert.account.t260930000125.03</string>
 <string>group.com.cert.account.t260930000125.04</string>
 <string>group.com.cert.account.t260930000125.05</string>
 </array>
 <key>keychain-access-groups</key><array><string>NL6UD7G49R.*</string></array>
 <key>com.apple.developer.nfc.readersession.formats</key><array><string>TAG</string></array>
 </dict></plist>
@@ -0,0 +1,17 @@
 #!/usr/bin/env python3
 """Inject a weak LC_LOAD_DYLIB into the a-Shell main binary with LIEF."""
 import sys
 import lief
 if len(sys.argv) != 3:
    raise SystemExit("usage: inject_dylib.py <main-binary> <dylib-path>")
 path, dylib = sys.argv[1], sys.argv[2]
 binary = lief.MachO.parse(path).at(0)
 if dylib in [lib.name for lib in binary.libraries]:
    print("already present")
    raise SystemExit(0)
 command = lief.MachO.DylibCommand.weak_lib(dylib)
 result = binary.add(command)
 binary.write(path)
 print(result)
@@ -0,0 +1,37 @@
 #!/bin/bash
 # Reference signing pass: sign every framework with the same team, then the
 # app with the supplied entitlements and provisioning profile.
 #
 # Usage:
 #   IDENTITY=... KEYCHAIN=... PROFILE=... ./sign_all.sh work/Terminal.app
 set -euo pipefail
 APP="${1:-work/Terminal.app}"
 IDENTITY="${IDENTITY:?set IDENTITY}"
 KEYCHAIN="${KEYCHAIN:-$HOME/Library/Keychains/login.keychain-db}"
 ENT="${ENT:-scripts/ent.plist}"
 PROFILE="${PROFILE:?set PROFILE}"
 find "$APP/Frameworks" "$APP/usr" "$APP/Library" -type f \
  \( -name '*.dylib' -o -name '*.so' -o -perm -111 \) -print0 2>/dev/null |
 while IFS= read -r -d '' f; do
  file -b "$f" | grep -q 'Mach-O' || continue
  codesign --force --sign "$IDENTITY" --keychain "$KEYCHAIN" --timestamp=none "$f"
 done
 find "$APP/Frameworks" -type d -name '*.framework' -print |
  awk '{ print length($0) "\t" $0 }' | sort -rn | cut -f2- |
 while IFS= read -r fw; do
  codesign --force --sign "$IDENTITY" --keychain "$KEYCHAIN" --timestamp=none "$fw"
 done
 for appex in "$APP"/PlugIns/*.appex; do
  [ -d "$appex" ] || continue
  cp "$PROFILE" "$appex/embedded.mobileprovision"
  codesign --force --sign "$IDENTITY" --keychain "$KEYCHAIN" \
    --entitlements "$ENT" --generate-entitlement-der --timestamp=none "$appex"
 done
 cp "$PROFILE" "$APP/embedded.mobileprovision"
 codesign --force --sign "$IDENTITY" --keychain "$KEYCHAIN" \
  --entitlements "$ENT" --generate-entitlement-der --timestamp=none "$APP"
 codesign --verify --strict --verbose=2 "$APP"