SciTools Understand for Arch Linux

.gitignore

pkg/
src/
understand-bin-*.pkg.*
Understand-*.tgz
.SRCINFO

patch.sh

# fn2vma path function => vma_in_hex
fn2vma() {
    nm -CD "$1" | grep " $2\$" | grep -o "^[^ ]*" | sed -e 's/^0*/0x0/'
}

# vma2offset path vma => file_offset_in_dec
vma2offset() {
    local query="$2"
    objdump -h "$1" | grep -Po "( +[0-9a-f]+){4}" | sed -Ee 's/ +0+/ 0x0/g' |
        while read line; do
            read size vma lma offset <<< "$line"
            local vma_end=$(("$vma" + "$size"))
            if [[ "$query" -ge "$vma" ]] && [[ "$query" -le "$vma_end" ]]; then
                echo $(("$query" - "$vma" + "$offset"))
                return
            fi
        done
}

# patch_bytes path offset bytes_in_hex
patch_binary() {
    local patch_path=$(mktemp)
    xxd -r -p <<< "$3" >> "$patch_path"
    local patch_length=$(stat --printf="%s" "$patch_path")

    local backup_path=$(mktemp)
    cp "$1" "$backup_path" -f

    local part2_begin="$2"
    local part3_begin=$(("$part2_begin" + "$patch_length" + 1))
    head "$backup_path" -c "$part2_begin" > "$1"
    cat "$patch_path" >> "$1"
    tail "$backup_path" -c "+$part3_begin" >> "$1"

    rm "$patch_path" "$backup_path"
}

patch() {
    local binary="$1"
    local symbol="$2"
    local content="$3"

    local vma=$(fn2vma "$binary" "$symbol")
    [[ -z "$vma" ]] && echo "Symbol not found" && exit 1
    echo "VMA of $symbol = $vma"

    local offset=$(vma2offset "$binary" "$vma")
    [[ -z "$vma" ]] && echo "Offset not found" && exit 2
    echo "File offset = $offset"

    patch_binary "$binary" "$offset" "$content"
    echo "Patch completed"
}

patch_understand() {
  patch "$1" \
        "HeliosLicenseManager::testGuiLicense(int&, HeliosLicenseManager::LoginStatus&, bool)" \
        "b8 01 00 00 00 c3"

  patch "$1" \
        "STI::MaintainApp::TestHeliosHeartbeat()" \
        "c3"
}

PKGBUILD

# Maintainer: Alex Sarum <rum.274.4 at gmail dot com>

check-version() {
  _buf=$(curl https://licensing.scitools.com/download/getDownloads/Understand/0)
  _pkgprefix=$(echo "$_buf" | jq -r .versionNumber)
  _pkgbuild=$(echo "$_buf" | jq -r .latestBuild)
  _url=$(echo "$_buf" | jq -r ".filePaths[0].path")
}

echo "Checking new version"
check-version
echo "prefix $_pkgprefix build $_pkgbuild"

pkgname=understand-bin
pkgver="$_pkgprefix.$_pkgbuild"
pkgrel=1
pkgdesc="Static analysis tool for maintaining, measuring & analyzing critical or large code bases."
arch=('x86_64')
url="https://scitools.com/"
license=('custom')
depends=('libx11' 'libxau' 'libxcb' 'libxdmcp' 'libxext' 'ncurses5-compat-libs')
options=('!strip')

source_x86_64=($_url
"understand.desktop"
"understand"
)

md5sums_x86_64=('SKIP'
              '86ea741c38198d7291d5126ef0cd17f8'
              'feb6804e81096bd28d611d19e45aebe2')

package() {
    install -d "$pkgdir/opt"
    cp -r "$srcdir/scitools" "$pkgdir/opt/"
    # Remove bundled libraries.
    rm -f "$pkgdir/opt/scitools/bin/linux64/"{libfreetype.so.6,libx*}

    install -Dm755 "$srcdir/understand" "$pkgdir/usr/bin/understand"
    install -Dm644 "understand.desktop" "$pkgdir/usr/share/applications/understand.desktop"
    install -Dm644 "$pkgdir/opt/scitools/bin/linux64/understand_64.png" "$pkgdir/usr/share/pixmaps/understand.png"

    source $srcdir/../patch.sh
    patch_understand "$pkgdir/opt/scitools/bin/linux64/understand"
}

understand

#!/bin/bash
export LD_LIBRARY_PATH=/opt/scitools/bin/linux64
unset QT_PLUGIN_PATH

exec /opt/scitools/bin/linux64/understand "$@"

understand.desktop

[Desktop Entry]
Name=Understand
Version=1.0
Exec=/usr/bin/understand
Icon=understand
Type=Application
Terminal=false
Comment=Analyze it, measure it, visualize it, maintain it - Understand it
Comment[ru]=Статический анализатор кода
GenericName=Static analysis tool
Categories=Development;IDE;