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https://github.com/speed47/spectre-meltdown-checker.git
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enh: factorize file download func
This commit is contained in:
Stéphane Lesimple
parent
3c224018f4
commit
2ef6c1c80e
@ -884,6 +884,29 @@ fms2cpuid()
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echo $(( (_stepping & 0x0F) | (_lowmodel << 4) | (_lowfamily << 8) | (_extmodel << 16) | (_extfamily << 20) ))
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}
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download_file()
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{
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_url="$1"
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_file="$2"
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if command -v wget >/dev/null 2>&1; then
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wget -q "$_url" -O "$_file"; ret=$?
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elif command -v curl >/dev/null 2>&1; then
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curl -sL "$_url" -o "$_file"; ret=$?
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elif command -v fetch >/dev/null 2>&1; then
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fetch -q "$_url" -o "$_file"; ret=$?
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else
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echo ERROR "please install one of \`wget\`, \`curl\` of \`fetch\` programs"
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unset _file _url
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return 1
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fi
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unset _file _url
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if [ "$ret" != 0 ]; then
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echo ERROR "error $ret"
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return $ret
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fi
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echo DONE
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}
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[ -z "$HOME" ] && HOME="$(getent passwd "$(whoami)" | cut -d: -f6)"
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mcedb_cache="$HOME/.mcedb"
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update_fwdb()
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@ -900,42 +923,14 @@ update_fwdb()
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mcedb_tmp="$(mktemp -t smc-mcedb-XXXXXX)"
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mcedb_url='https://github.com/platomav/MCExtractor/raw/master/MCE.db'
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_info_nol "Fetching MCE.db from the MCExtractor project... "
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if command -v wget >/dev/null 2>&1; then
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wget -q "$mcedb_url" -O "$mcedb_tmp"; ret=$?
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elif command -v curl >/dev/null 2>&1; then
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curl -sL "$mcedb_url" -o "$mcedb_tmp"; ret=$?
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elif command -v fetch >/dev/null 2>&1; then
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fetch -q "$mcedb_url" -o "$mcedb_tmp"; ret=$?
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else
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echo ERROR "please install one of \`wget\`, \`curl\` of \`fetch\` programs"
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return 1
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fi
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if [ "$ret" != 0 ]; then
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echo ERROR "error $ret while downloading MCE.db"
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return $ret
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fi
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echo DONE
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download_file "$mcedb_url" "$mcedb_tmp" || return $?
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# second, get the Intel firmwares from GitHub
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intel_tmp="$(mktemp -d -t smc-intelfw-XXXXXX)"
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intel_url="https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/main.zip"
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_info_nol "Fetching Intel firmwares... "
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## https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files.git
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if command -v wget >/dev/null 2>&1; then
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wget -q "$intel_url" -O "$intel_tmp/fw.zip"; ret=$?
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elif command -v curl >/dev/null 2>&1; then
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curl -sL "$intel_url" -o "$intel_tmp/fw.zip"; ret=$?
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elif command -v fetch >/dev/null 2>&1; then
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fetch -q "$intel_url" -o "$intel_tmp/fw.zip"; ret=$?
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else
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echo ERROR "please install one of \`wget\`, \`curl\` of \`fetch\` programs"
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return 1
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fi
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if [ "$ret" != 0 ]; then
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echo ERROR "error $ret while downloading Intel firmwares"
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return $ret
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fi
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echo DONE
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download_file "$intel_url" "$intel_tmp/fw.zip" || return $?
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# now extract MCEdb contents using sqlite
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_info_nol "Extracting MCEdb data... "
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@ -1004,23 +999,9 @@ update_fwdb()
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# now parse the most recent linux-firmware amd-ucode README file
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_info_nol "Fetching latest amd-ucode README from linux-firmware project... "
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linuxfw_url="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amd-ucode/README"
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linuxfw_url="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/amd-ucode/README"
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linuxfw_tmp=$(mktemp -t smc-linuxfw-XXXXXX)
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if command -v wget >/dev/null 2>&1; then
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wget -q "$linuxfw_url" -O "$linuxfw_tmp"; ret=$?
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elif command -v curl >/dev/null 2>&1; then
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curl -sL "$linuxfw_url" -o "$linuxfw_tmp"; ret=$?
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elif command -v fetch >/dev/null 2>&1; then
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fetch -q "$linuxfw_url" -o "$linuxfw_tmp"; ret=$?
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else
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echo ERROR "please install one of \`wget\`, \`curl\` of \`fetch\` programs"
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return 1
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fi
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if [ "$ret" != 0 ]; then
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echo ERROR "error $ret while downloading linux-firmware README"
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return $ret
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fi
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echo DONE
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download_file "$linuxfw_url" "$linuxfw_tmp" || return $?
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_info_nol "Parsing the README... "
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nbfound=0
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@ -1045,6 +1026,10 @@ update_fwdb()
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unset nbfound
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dbversion="$mcedb_revision+i$_intel_latest_date"
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linuxfw_hash=$(md5sum "$linuxfw_tmp" 2>/dev/null | cut -c1-4)
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if [ -n "$linuxfw_hash" ]; then
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dbversion="$dbversion+$linuxfw_hash"
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fi
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if [ "$1" != builtin ] && [ -n "$previous_dbversion" ] && [ "$previous_dbversion" = "v$dbversion" ]; then
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echo "We already have this version locally, no update needed"
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@ -6138,10 +6123,15 @@ fi
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exit 0 # ok
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# We're using MCE.db from the excellent platomav's MCExtractor project
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# The builtin version follows, but the user can download an up-to-date copy (to be stored in his $HOME) by using --update-fwdb
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# The builtin version follows, but the user can download an up-to-date copy (to be stored in their $HOME) by using --update-fwdb
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# To update the builtin version itself (by *modifying* this very file), use --update-builtin-fwdb
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#
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# The format below is:
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# X,CPUID_HEX,MICROCODE_VERSION_HEX,YYYYMMDD
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# with X being either I for Intel, or A for AMD
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# When the date is unknown it defaults to 20000101
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# %%% MCEDB v271+i20230614
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# %%% MCEDB v271+i20230614+b6bd
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# I,0x00000611,0x00000B27,19961218
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# I,0x00000612,0x000000C6,19961210
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# I,0x00000616,0x000000C6,19961210
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