merged from apt--mvo

[apt.git] / cmdline / apt-key

diff --git a/cmdline/apt-key b/cmdline/apt-key
index c1dbb0d055b1b45ac1ba94663f0993665bb09596..533193901d80499e721c114d7d05c6bc079a6f01 100755 (executable)
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -9,10 +9,10 @@ GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring --secret-k
 GPG="$GPG_CMD --keyring /etc/apt/trusted.gpg"
 
 
-MASTER_KEYRING=""
-#MASTER_KEYRING=/usr/share/keyrings/debian-master-keyring.gpg
-ARCHIVE_KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
-REMOVED_KEYS=/usr/share/keyrings/debian-archive-removed-keys.gpg
+MASTER_KEYRING=/usr/share/keyrings/ubuntu-master-keyring.gpg
+ARCHIVE_KEYRING=/usr/share/keyrings/ubuntu-archive-keyring.gpg
+REMOVED_KEYS=/usr/share/keyrings/ubuntu-archive-removed-keys.gpg
+ARCHIVE_KEYRING_URI=http://archive.ubuntu.com/ubuntu/ubuntu-archive-keyring.gpg
 
 add_keys_with_verify_against_master_keyring() {
     ADD_KEYRING=$1
@@ -38,7 +38,7 @@ add_keys_with_verify_against_master_keyring() {
        ADDED=0
        for master_key in $master_keys; do
            if $GPG_CMD --keyring $ADD_KEYRING --list-sigs --with-colons $add_key | grep ^sig | cut -d: -f5 | grep -q $master_key; then
-               $GPG_CMD --quiet --batch --keyring $ARCHIVE_KEYRING --export $add_key | $GPG --import
+               $GPG_CMD --quiet --batch --keyring $ADD_KEYRING --export $add_key | $GPG --import
                ADDED=1
            fi
        done
@@ -48,10 +48,24 @@ add_keys_with_verify_against_master_keyring() {
     done
 }
 
+# update the current archive signing keyring from a network URI
+# the archive-keyring keys needs to be signed with the master key
+# (otherwise it does not make sense from a security POV)
+net_update() {
+    if [ -z "$ARCHIVE_KEYRING_URI" ]; then
+       echo "ERROR: no location for the archive-keyring given" 
+    fi
+    if [ ! -d /var/lib/apt/keyrings ]; then
+       mkdir -p /var/lib/apt/keyrings
+    fi
+    (cd  /var/lib/apt/keyrings; wget -q -N $ARCHIVE_KEYRING_URI)
+    add_keys_with_verify_against_master_keyring /var/lib/apt/keyrings/$(basename $ARCHIVE_KEYRING) $MASTER_KEYRING
+}
+
 update() {
     if [ ! -f $ARCHIVE_KEYRING ]; then
        echo >&2 "ERROR: Can't find the archive-keyring"
-       echo >&2 "Is the debian-archive-keyring package installed?"
+       echo >&2 "Is the ubuntu-keyring package installed?"
        exit 1
     fi
 
@@ -83,6 +97,7 @@ usage() {
     echo "  apt-key export <keyid>      - output the key <keyid>"
     echo "  apt-key exportall           - output all trusted keys"
     echo "  apt-key update              - update keys using the keyring package"
+    echo "  apt-key net-update          - update keys using the network"
     echo "  apt-key list                - list keys"
     echo
 }
@@ -112,6 +127,9 @@ case "$command" in
     update)
        update
        ;;
+    net-update)
+       net_update
+       ;;
     list)
         $GPG --batch --list-keys
         ;;