#!/bin/sh set -e FUELUP_DIR=${FUELUP_DIR-"$HOME/.fuelup"} main() { need_cmd git need_cmd curl need_cmd chmod need_cmd mkdir need_cmd rm need_cmd rmdir check_cargo_bin forc check_cargo_bin forc-fmt check_cargo_bin forc-lsp check_cargo_bin fuel-core get_architecture || return 1 local _arch="$RETVAL" assert_nz "$_arch" "arch" mkdir -p "$FUELUP_DIR/bin" local _fuelup_version _published_fuelup_version_url="https://raw.githubusercontent.com/FuelLabs/fuelup/gh-pages/fuelup-version" _fuelup_version="$(curl -s $_published_fuelup_version_url)" if echo "$_fuelup_version" | grep -q -E '404|400'; then warn "fuelup-version was not found on fuelup gh-pages (https://github.com/FuelLabs/fuelup/tree/gh-pages); falling back to using GitHub API." _fuelup_version="$(curl -s https://api.github.com/repos/FuelLabs/fuelup/releases/latest | grep "tag_name" | cut -d "\"" -f4 | cut -c 2-)" fi local _fuelup_url="https://github.com/FuelLabs/fuelup/releases/download/v${_fuelup_version}/fuelup-${_fuelup_version}-${_arch}.tar.gz" local _dir _dir="$(ensure mktemp -d)" local _file="${_dir}/fuelup.tar.gz" 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 # always prompt PATH modification, unless --no-modify-path provided local prompt_modify=yes # always install latest toolchain (for convenience), unless --skip-toolchain-installation provided local skip_toolchain_installation=no for arg in "$@"; do case "$arg" in --no-modify-path) prompt_modify=no ;; --skip-toolchain-installation) skip_toolchain_installation=yes ;; *) OPTIND=1 if [ "${arg%%--*}" = "" ]; then # Long option (other than --help); # don't attempt to interpret it. continue fi ;; esac done if [ "$prompt_modify" = "yes" ]; then case $SHELL in */bash) SHELL_PROFILE=$HOME/.bashrc ;; */zsh) SHELL_PROFILE=$HOME/.zshrc ;; */fish) SHELL_PROFILE=$HOME/.config/fish/config.fish ;; *) warn "Failed to detect shell; please add ${FUELUP_DIR}/bin to your PATH manually." ;; esac if [ -n "$SHELL_PROFILE" ]; then preinstall_confirmation read -r answer &2 else printf 'info: downloading fuelup %s\n' "$_fuelup_version" 1>&2 fi ensure downloader "$_fuelup_url" "$_file" "$_arch" ignore tar -xf "$_file" -C "$_dir" ensure mv "$_dir/fuelup-${_fuelup_version}-${_arch}/fuelup" "$FUELUP_DIR/bin/fuelup" ensure chmod u+x "$FUELUP_DIR/bin/fuelup" if [ ! -x "$FUELUP_DIR/bin/fuelup" ]; then printf '%s\n' "Cannot execute $FUELUP_DIR/bin/fuelup." 1>&2 printf '%s\n' "Please copy the file to a location where you can execute binaries and run ./fuelup." 1>&2 exit 1 fi if [ "$skip_toolchain_installation" = "no" ]; then ignore "$FUELUP_DIR/bin/fuelup" "toolchain" "install" "latest" fi local _retval=$? ignore rm "$_file" ignore rmdir "$_dir/fuelup-${_fuelup_version}-${_arch}" ignore rmdir "$_dir" printf '\n' printf '%s\n' "fuelup ${_fuelup_version} has been installed in $FUELUP_DIR/bin. To fetch the latest toolchain containing the forc and fuel-core binaries, run 'fuelup toolchain install latest'. To generate completions for your shell, run 'fuelup completions --shell=SHELL'." 1>&2 if [ "$allow_modify" = "yes" ]; then if echo "$PATH" | grep -q "$FUELUP_DIR/bin"; then printf "\n%s/bin already exists in your PATH.\n" "$FUELUP_DIR" else echo "export PATH=\"\$HOME/.fuelup/bin:\$PATH"\" >>"$SHELL_PROFILE" printf "\n%s added to PATH. Run 'source %s' or start a new terminal session to use fuelup.\n" "$FUELUP_DIR" "$SHELL_PROFILE" fi else add_path_message fi return "$_retval" } preinstall_confirmation() { cat 1>&2 <> $SHELL_PROFILE Would you like fuelup-init to modify your PATH variable for you? (N/y) EOF } add_path_message() { cat 1>&2 </dev/null | grep -q "[.cargo]"; then warn "$1 is already installed via cargo and is in use by your system. You should update your PATH, or execute 'cargo uninstall $1'" fi } assert_nz() { if [ -z "$1" ]; then err "assert_nz $2"; fi } say() { printf 'fuelup: %s\n' "$1" } need_cmd() { if ! check_cmd "$1"; then err "need '$1' (command not found)" fi } check_cmd() { command -v "$1" >/dev/null 2>&1 } # Run a command that should never fail. If the command fails execution # will immediately terminate with an error showing the failing # command. ensure() { if ! "$@"; then err "command failed: $*"; fi } 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 # shellcheck disable=SC2086 _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 "$3" curl --proto --tlsv1.2; then echo "Warning: Not enforcing TLS v1.2, this is potentially less secure" # shellcheck disable=SC2086 _err=$(curl $_retry --silent --show-error --fail --location "$1" --output "$2" 2>&1) _status=$? else # shellcheck disable=SC2086 _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 "fuelup ${_fuelup_version} was not found - either the release is not ready yet or the tag is invalid. You can check if the release is available here: https://github.com/FuelLabs/fuelup/releases/v${_fuelup_version}" 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 $_status else err "Unknown downloader" # should not reach here fi } # Check if curl supports the --retry flag, then pass it to the curl invocation. check_curl_for_retry_support() { local _retry_supported="" # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. if check_help_for "notspecified" "curl" "--retry"; then _retry_supported="--retry 3" fi RETVAL="$_retry_supported" } 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 *darwin*) 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 -- "$_arg"; then return 1 fi done true # not strictly needed } # Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites # if support by local tools is detected. Detection currently supports these curl backends: # GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty. get_ciphersuites_for_curl() { if [ -n "${RUSTUP_TLS_CIPHERSUITES-}" ]; then # user specified custom cipher suites, assume they know what they're doing RETVAL="$RUSTUP_TLS_CIPHERSUITES" return fi local _openssl_syntax="no" local _gnutls_syntax="no" local _backend_supported="yes" if curl -V | grep -q ' OpenSSL/'; then _openssl_syntax="yes" elif curl -V | grep -iq ' LibreSSL/'; then _openssl_syntax="yes" elif curl -V | grep -iq ' BoringSSL/'; then _openssl_syntax="yes" elif curl -V | grep -iq ' GnuTLS/'; then _gnutls_syntax="yes" else _backend_supported="no" fi local _args_supported="no" if [ "$_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 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 } err() { say "$1" >&2 exit 1 } warn() { say "warning: ${1}" >&2 } # This is just for indicating that commands' results are being # intentionally ignored. Usually, because it's being executed # as part of error handling. ignore() { "$@" } main "$@" || exit 1