From 24b893b2868d5c32b3178cbba015a31089998cce Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 13 Mar 2026 00:21:46 +0000 Subject: [PATCH 1/2] Initial plan From 522bc708c4e4f87890064e69592fce6a46570360 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Fri, 13 Mar 2026 00:30:13 +0000 Subject: [PATCH 2/2] Fix undefined say() in install.sh.template; add template to dnvm repo and sync via webUpdate.yml Co-authored-by: agocke <515774+agocke@users.noreply.github.com> --- .github/workflows/webUpdate.yml | 30 ++ src/install/install.sh.template | 483 ++++++++++++++++++++++++++++++++ 2 files changed, 513 insertions(+) create mode 100644 src/install/install.sh.template diff --git a/.github/workflows/webUpdate.yml b/.github/workflows/webUpdate.yml index 72643a53..e6933885 100644 --- a/.github/workflows/webUpdate.yml +++ b/.github/workflows/webUpdate.yml @@ -12,6 +12,36 @@ jobs: - name: Sleep for 5 minutes run: sleep 5m shell: bash + - uses: actions/checkout@v3 + - name: Sync install script template + uses: actions/github-script@v6 + with: + github-token: ${{ secrets.REPO_DISPATCH_TOKEN }} + script: | + const fs = require('fs'); + const templateContent = fs.readFileSync('src/install/install.sh.template', 'utf8'); + const encoded = Buffer.from(templateContent).toString('base64'); + + let sha; + try { + const existing = await github.rest.repos.getContent({ + owner: "dn-vm", + repo: "dn-vm.github.io", + path: "src/install.sh.template" + }); + sha = existing.data.sha; + } catch (e) { + // File doesn't exist yet + } + + await github.rest.repos.createOrUpdateFileContents({ + owner: "dn-vm", + repo: "dn-vm.github.io", + path: "src/install.sh.template", + message: "sync install.sh.template from dnvm repo", + content: encoded, + sha: sha + }); - name: Trigger Workflow uses: actions/github-script@v6 with: diff --git a/src/install/install.sh.template b/src/install/install.sh.template new file mode 100644 index 00000000..2470b705 --- /dev/null +++ b/src/install/install.sh.template @@ -0,0 +1,483 @@ +#!/bin/sh + +set -u + +DNVM_FEED=${DNVM_FEED:-"https://github.com/dn-vm/dnvm/releases/download"} + +main() { + downloader --check + need_cmd uname + need_cmd tar + need_cmd mktemp + need_cmd chmod + need_cmd mkdir + need_cmd rm + need_cmd rmdir + + get_rid || return 1 + local _rid="$RETVAL" + assert_nz "$_rid" "rid" + + local _latestVersion="__latestVersion__" # To be replaced during publishing + local _url="${DNVM_FEED}/v${_latestVersion}/dnvm-${_latestVersion}-$_rid.tar.gz" + + local _dir="$(ensure mktemp -d)" + local _archiveFile="${_dir}/dnvm.tar.gz" + local _file="${_dir}/dnvm" + + local _ansi_escapes_are_valid=false + if [ -t 2 ]; then + if [ "${TERM+set}" = 'set' ]; then + case "$TERM" in + xterm*|rxvt*|urxvt*|linux*|vt*) + _ansi_escapes_are_valid=true + ;; + esac + fi + fi + + # check if we have to use /dev/tty to prompt the user + local need_tty=yes + for arg in "$@"; do + case "$arg" in + --help) + usage + exit 0 + ;; + *) + OPTIND=1 + if [ "${arg%%--*}" = "" ]; then + # Long option (other than --help); + # don't attempt to interpret it. + continue + fi + while getopts :hy sub_arg "$arg"; do + case "$sub_arg" in + h) + usage + exit 0 + ;; + y) + # user wants to skip the prompt -- + # we don't need /dev/tty + need_tty=no + ;; + *) + ;; + esac + done + ;; + esac + done + + if $_ansi_escapes_are_valid; then + printf "\33[1minfo:\33[0m downloading installer\n" 1>&2 + else + printf '%s\n' 'info: downloading installer' 1>&2 + fi + + ensure mkdir -p "$_dir" + ensure downloader "$_url" "$_archiveFile" "$_rid" + ensure tar -xzf "$_archiveFile" -C "$_dir" + ensure chmod u+x "$_file" + if [ ! -x "$_file" ]; then + printf '%s\n' "Cannot execute $_file (likely because of mounting /tmp as noexec)." 1>&2 + printf '%s\n' "Please copy the file to a location where you can execute binaries and run ./dnvm." 1>&2 + exit 1 + fi + + if [ "$need_tty" = "yes" ] && [ ! -t 0 ]; then + # The installer is going to want to ask for confirmation by + # reading stdin. This script was piped into `sh` though and + # doesn't have stdin to pass to its children. Instead we're going + # to explicitly connect /dev/tty to the installer's stdin. + if [ ! -t 1 ]; then + err "Unable to run interactively. Run with -y to accept defaults, --help for additional options" + fi + + ignore "$_file" selfinstall "$@" < /dev/tty + else + ignore "$_file" selfinstall "$@" + fi + + local _retval=$? + + ignore rm "$_archiveFile" + ignore rm "$_file" + ignore rmdir "$_dir" + + return "$_retval" +} + +check_proc() { + # Check for /proc by looking for the /proc/self/exe link + # This is only run on Linux + if ! test -L /proc/self/exe ; then + err "fatal: Unable to find /proc/self/exe. Is /proc mounted? Installation cannot proceed without /proc." + fi +} + +get_bitness() { + need_cmd head + # Architecture detection without dependencies beyond coreutils. + # ELF files start out "\x7fELF", and the following byte is + # 0x01 for 32-bit and + # 0x02 for 64-bit. + # The printf builtin on some shells like dash only supports octal + # escape sequences, so we use those. + local _current_exe_head + _current_exe_head=$(head -c 5 /proc/self/exe ) + if [ "$_current_exe_head" = "$(printf '\177ELF\001')" ]; then + echo 32 + elif [ "$_current_exe_head" = "$(printf '\177ELF\002')" ]; then + echo 64 + else + err "unknown platform bitness" + fi +} + +is_host_amd64_elf() { + need_cmd head + need_cmd tail + # ELF e_machine detection without dependencies beyond coreutils. + # Two-byte field at offset 0x12 indicates the CPU, + # but we're interested in it being 0x3E to indicate amd64, or not that. + local _current_exe_machine + _current_exe_machine=$(head -c 19 /proc/self/exe | tail -c 1) + [ "$_current_exe_machine" = "$(printf '\076')" ] +} + +get_endianness() { + local cputype=$1 + local suffix_eb=$2 + local suffix_el=$3 + + # detect endianness without od/hexdump, like get_bitness() does. + need_cmd head + need_cmd tail + + local _current_exe_endianness + _current_exe_endianness="$(head -c 6 /proc/self/exe | tail -c 1)" + if [ "$_current_exe_endianness" = "$(printf '\001')" ]; then + echo "${cputype}${suffix_el}" + elif [ "$_current_exe_endianness" = "$(printf '\002')" ]; then + echo "${cputype}${suffix_eb}" + else + err "unknown platform endianness" + fi +} + +get_rid() { + local _os _arch _libc + _os="$(uname -s)" + _arch="$(uname -m)" + _libc="" + + if [ "$_os" = Darwin ] && [ "$_arch" = i386 ]; then + # Darwin `uname -m` lies + if sysctl hw.optional.x86_64 | grep -q ': 1'; then + _arch=x86_64 + fi + fi + + case "$_os" in + + Linux) + _os="linux" + if ldd --version 2>&1 | grep -q 'musl'; then + _libc="-musl" + fi + ;; + + Darwin) + _os="osx" + ;; + + *) + err "unsupported OS: $_os" + ;; + + esac + + case "$_arch" in + + i386 | i486 | i686 | i786 | x86) + err "32-bit x86 is unsupported" + ;; + + aarch64 | arm64) + _arch=arm64 + ;; + + x86_64 | x86-64 | x64 | amd64) + _arch=x64 + ;; + + *) + err "unknown CPU arch: $_arch" + + esac + + _rid="${_os}${_libc}-${_arch}" + + RETVAL="$_rid" +} + +# Print a message to stdout. +say() { + printf '%s\n' "$1" +} + +err() { + say "$1" >&2 + exit 1 +} + +need_cmd() { + if ! check_cmd "$1"; then + err "need '$1' (command not found)" + fi +} + +check_cmd() { + command -v "$1" > /dev/null 2>&1 +} + +assert_nz() { + if [ -z "$1" ]; then err "assert_nz $2"; fi +} + +# Run a command that should never fail. If the command fails execution +# will immediately terminate with an error showing the failing +# command. +ensure() { + if ! "$@"; then err "command failed: $*"; fi +} + +# This is just for indicating that commands' results are being +# intentionally ignored. Usually, because it's being executed +# as part of error handling. +ignore() { + "$@" +} + +# This wraps curl or wget. Try curl first, if not installed, +# use wget instead. +downloader() { + local _dld + local _ciphersuites + local _err + local _status + local _retry + if check_cmd curl; then + _dld=curl + elif check_cmd wget; then + _dld=wget + else + _dld='curl or wget' # to be used in error message of need_cmd + fi + + if [ "$1" = --check ]; then + need_cmd "$_dld" + elif [ "$_dld" = curl ]; then + check_curl_for_retry_support + _retry="$RETVAL" + get_ciphersuites_for_curl + _ciphersuites="$RETVAL" + if [ -n "$_ciphersuites" ]; then + _err=$(curl $_retry --proto '=https' --tlsv1.2 --ciphers "$_ciphersuites" --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + else + echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure" + if ! check_help_for "$3" curl --proto --tlsv1.2; then + echo "Warning: Not enforcing TLS v1.2, this is potentially less secure" + _err=$(curl $_retry --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + else + _err=$(curl $_retry --proto '=https' --tlsv1.2 --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + fi + fi + if [ -n "$_err" ]; then + echo "$_err" >&2 + if echo "$_err" | grep -q 404$; then + err "installer for platform '$3' not found, this may be unsupported" + fi + fi + return $_status + elif [ "$_dld" = wget ]; then + if [ "$(wget -V 2>&1|head -2|tail -1|cut -f1 -d" ")" = "BusyBox" ]; then + echo "Warning: using the BusyBox version of wget. Not enforcing strong cipher suites for TLS or TLS v1.2, this is potentially less secure" + _err=$(wget "$1" -O "$2" 2>&1) + _status=$? + else + get_ciphersuites_for_wget + _ciphersuites="$RETVAL" + if [ -n "$_ciphersuites" ]; then + _err=$(wget --https-only --secure-protocol=TLSv1_2 --ciphers "$_ciphersuites" "$1" -O "$2" 2>&1) + _status=$? + else + echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure" + if ! check_help_for "$3" wget --https-only --secure-protocol; then + echo "Warning: Not enforcing TLS v1.2, this is potentially less secure" + _err=$(wget "$1" -O "$2" 2>&1) + _status=$? + else + _err=$(wget --https-only --secure-protocol=TLSv1_2 "$1" -O "$2" 2>&1) + _status=$? + fi + fi + fi + if [ -n "$_err" ]; then + echo "$_err" >&2 + if echo "$_err" | grep -q ' 404 Not Found$'; then + err "installer for platform '$3' not found, this may be unsupported" + fi + fi + return $_status + else + err "Unknown downloader" # should not reach here + fi +} + +check_help_for() { + local _arch + local _cmd + local _arg + _arch="$1" + shift + _cmd="$1" + shift + + local _category + if "$_cmd" --help | grep -q 'For all options use the manual or "--help all".'; then + _category="all" + else + _category="" + fi + + case "$_arch" in + + *osx*) + if check_cmd sw_vers; then + case $(sw_vers -productVersion) in + 10.*) + # If we're running on macOS, older than 10.13, then we always + # fail to find these options to force fallback + if [ "$(sw_vers -productVersion | cut -d. -f2)" -lt 13 ]; then + # Older than 10.13 + echo "Warning: Detected macOS platform older than 10.13" + return 1 + fi + ;; + 11.*) + # We assume Big Sur will be OK for now + ;; + *) + # Unknown product version, warn and continue + echo "Warning: Detected unknown macOS major version: $(sw_vers -productVersion)" + echo "Warning TLS capabilities detection may fail" + ;; + esac + fi + ;; + + esac + + for _arg in "$@"; do + if ! "$_cmd" --help $_category | grep -q -- "$_arg"; then + return 1 + fi + done + + true # not strictly needed +} + +# Check if curl supports the --retry flag, then pass it to the curl invocation. +check_curl_for_retry_support() { + local _retry_supported="" + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "curl" "--retry"; then + _retry_supported="--retry 3" + fi + + RETVAL="$_retry_supported" + +} + +# Return strong TLS 1.2-1.3 cipher suites if support by local tools is detected. Detection currently +# supports these curl backends: GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return +# value can be empty. +get_ciphersuites_for_curl() { + local _openssl_syntax="no" + local _gnutls_syntax="no" + local _backend_supported="yes" + if curl -V | grep -q ' OpenSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' LibreSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' BoringSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' GnuTLS/'; then + _gnutls_syntax="yes" + else + _backend_supported="no" + fi + + local _args_supported="no" + if [ "$_backend_supported" = "yes" ]; then + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "curl" "--tlsv1.2" "--ciphers" "--proto"; then + _args_supported="yes" + fi + fi + + local _cs="" + if [ "$_args_supported" = "yes" ]; then + if [ "$_openssl_syntax" = "yes" ]; then + _cs=$(get_strong_ciphersuites_for "openssl") + elif [ "$_gnutls_syntax" = "yes" ]; then + _cs=$(get_strong_ciphersuites_for "gnutls") + fi + fi + + RETVAL="$_cs" +} + +# Return strong TLS 1.2-1.3 cipher suites if support by local tools is detected. Detection currently +# supports these wget backends: GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return +# value can be empty. +get_ciphersuites_for_wget() { + local _cs="" + if wget -V | grep -q '\-DHAVE_LIBSSL'; then + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then + _cs=$(get_strong_ciphersuites_for "openssl") + fi + elif wget -V | grep -q '\-DHAVE_LIBGNUTLS'; then + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "wget" "TLSv1_2" "--ciphers" "--https-only" "--secure-protocol"; then + _cs=$(get_strong_ciphersuites_for "gnutls") + fi + fi + + RETVAL="$_cs" +} + +# Return strong TLS 1.2-1.3 cipher suites in OpenSSL or GnuTLS syntax. TLS 1.2 +# excludes non-ECDHE and non-AEAD cipher suites. DHE is excluded due to bad +# DH params often found on servers (see RFC 7919). Sequence matches or is +# similar to Firefox 68 ESR with weak cipher suites disabled via about:config. +# $1 must be openssl or gnutls. +get_strong_ciphersuites_for() { + if [ "$1" = "openssl" ]; then + # OpenSSL is forgiving of unknown values, no problems with TLS 1.3 values on versions that don't support it yet. + echo "TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384" + elif [ "$1" = "gnutls" ]; then + # GnuTLS isn't forgiving of unknown values, so this may require a GnuTLS version that supports TLS 1.3 even if wget doesn't. + # Begin with SECURE128 (and higher) then remove/add to build cipher suites. Produces same 9 cipher suites as OpenSSL but in slightly different order. + echo "SECURE128:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1:-VERS-DTLS-ALL:-CIPHER-ALL:-MAC-ALL:-KX-ALL:+AEAD:+ECDHE-ECDSA:+ECDHE-RSA:+AES-128-GCM:+CHACHA20-POLY1305:+AES-256-GCM" + fi +} + +main "$@" || exit 1