fsf-keyring.sh

   1 #!/bin/bash
   2
   3 # Usage: $0 [-r]
   4 # -r means dont refresh keys from keyservers
   5 #
   6 # See https://gluestick.office.fsf.org/checklists/person/crypto-keys/ for
   7 # upload command.
   8
   9 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
  10 set -eE -o pipefail
  11 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  12
  13 dos_attack_bytes=1000000
  14
  15 refresh-gpg-key() {
  16
  17   key=$1
  18
  19   error=999
  20   for keyserver in keyring.debian.org keyserver.ubuntu.com pgp.mit.edu; do
  21     echo "Trying $keyserver..."
  22     set +e
  23     cmd="gpg --keyserver $keyserver --recv-keys $key"
  24     # Keyservers are not very reliable, so retry a few times.
  25     for x in {1..3}; do
  26       $cmd &>/dev/null
  27       ret=$?
  28       if (( ret == 0 )); then
  29         break; fi
  30       sleep 1
  31     done
  32     set -e
  33     error=$(( ret < error ? ret : error )) # use lowest return
  34   done
  35
  36   return $error
  37 }
  38
  39 refresh=true
  40 if [[ $1 == -r ]]; then
  41   refresh=false
  42 fi
  43
  44 KEYS+="67819B343B2AB70DED9320872C6464AF2A8E4C02 " #rms
  45 KEYS+="A4626CBAFF376039D2D7554497BA9CE761A0963B " #johns
  46 KEYS+="759C0A4A39A02A079712FB5061B826E87A80C8D6 " #johnh
  47 KEYS+="1487E002421112A3B6C76B545FA66D3CA7518DBF " #andrew
  48 KEYS+="8556112E9B88B1A8B3E3631B58A39239D50484E8 " #jeanne
  49 KEYS+="B125F60B7B287FF6A2B7DF8F170AF0E2954295DF " #ian
  50 KEYS+="36C9950D2F68254ED89C7C03F9C13A10581AB853 " #craigt
  51 KEYS+="2C31130BF7D5A459AFF2A3F3C9DFFE4A33AA52D9 " #knauth
  52 KEYS+="43372794C8ADD5CA8FCFFA6CD03759DAB600E3C0 " #michael
  53 KEYS+="B102017CCF698F79423EF9CC069C04D206A59505 " #zoe
  54 KEYS+="7CCC7ECD3D78EB384F6C02C8966951617A149C73 " #gregf
  55 KEYS+="5BE81180271798C6B4866C54598E4925C518D5DC " #davis
  56 KEYS+="2E0ECE75F8162B407D666767879738E6D6440D57 " #devinu
  57 KEYS+="D86097B5E291BA771FA64D357014A6BE08494155"  #odile
  58
  59 rm -f /tmp/keys.asc ./fsf-keyring.gpg
  60
  61 for KEY in $KEYS ; do
  62   if $refresh; then
  63     echo "Key: $KEY"
  64     refresh-gpg-key $KEY
  65   fi
  66 done
  67
  68 gpg --armor --export $KEYS > key-export
  69
  70 (( "$(stat -c %s key-export)" > "${dos_attack_bytes}" )) && echo -e "\n\nerror: keyring is very large. did we get a signature DoS attack?\n\n" && exit 1
  71
  72 mv key-export fsf-keyring.gpg
  73
  74 gpg --armor --sign ./fsf-keyring.gpg
  75 mv fsf-keyring.gpg.asc fsf-keyring.gpg
  76 rm -f fsf-keyring.gpg~