* cmdline/apt-key:

[apt.git] / cmdline / apt-key

diff --git a/cmdline/apt-key b/cmdline/apt-key
index 1950723f36db35867a1ca7868d2e47e14b55bcb9..c184e3e755b44f96ffd40a43abc7102756d6bb4f 100755 (executable)
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -5,7 +5,16 @@ unset GREP_OPTIONS
 
 # We don't use a secret keyring, of course, but gpg panics and
 # implodes if there isn't one available
 
 # We don't use a secret keyring, of course, but gpg panics and
 # implodes if there isn't one available

-GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg"
+SECRETKEYRING="$(mktemp)"
+trap "rm -f '${SECRETKEYRING}'" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
+GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring ${SECRETKEYRING}"
+
+if [ "$(id -u)" -eq 0 ]; then
+       # we could use a tmpfile here too, but creation of this tends to be time-consuming
+       eval $(apt-config shell TRUSTDBDIR Dir::Etc/d)
+       GPG_CMD="$GPG_CMD --trustdb-name ${TRUSTDBDIR}/trustdb.gpg"
+fi
+

 GPG="$GPG_CMD"
 
 MASTER_KEYRING=""
 GPG="$GPG_CMD"
 
 MASTER_KEYRING=""


@@ -16,6 +25,13 @@ ARCHIVE_KEYRING_URI=""
 ARCHIVE_KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
 REMOVED_KEYS=/usr/share/keyrings/debian-archive-removed-keys.gpg
 
 ARCHIVE_KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
 REMOVED_KEYS=/usr/share/keyrings/debian-archive-removed-keys.gpg
 

+requires_root() {
+       if [ "$(id -u)" -ne 0 ]; then
+               echo >&1 "ERROR: This command can only be used by root."
+               exit 1
+       fi
+}
+

 add_keys_with_verify_against_master_keyring() {
     ADD_KEYRING=$1
     MASTER=$2
 add_keys_with_verify_against_master_keyring() {
     ADD_KEYRING=$1
     MASTER=$2


@@ -54,13 +70,14 @@ add_keys_with_verify_against_master_keyring() {
 # (otherwise it does not make sense from a security POV)
 net_update() {
     if [ -z "$ARCHIVE_KEYRING_URI" ]; then
 # (otherwise it does not make sense from a security POV)
 net_update() {
     if [ -z "$ARCHIVE_KEYRING_URI" ]; then

-       echo "ERROR: no location for the archive-keyring given"
+       echo >&2 "ERROR: Your distribution is not supported in net-update as no uri for the archive-keyring is set"

        exit 1
     fi
        exit 1
     fi

+    requires_root

     # in theory we would need to depend on wget for this, but this feature
     # isn't useable in debian anyway as we have no keyring uri nor a master key
     if ! which wget >/dev/null 2>&1; then
     # in theory we would need to depend on wget for this, but this feature
     # isn't useable in debian anyway as we have no keyring uri nor a master key
     if ! which wget >/dev/null 2>&1; then

-       echo "ERROR: an installed wget is required for a network-based update"
+       echo >&2 "ERROR: an installed wget is required for a network-based update"

        exit 1
     fi
     if [ ! -d /var/lib/apt/keyrings ]; then
        exit 1
     fi
     if [ ! -d /var/lib/apt/keyrings ]; then


@@ -88,6 +105,7 @@ update() {
        echo >&2 "Is the debian-archive-keyring package installed?"
        exit 1
     fi
        echo >&2 "Is the debian-archive-keyring package installed?"
        exit 1
     fi

+    requires_root

 
     # add new keys from the package;
 
 
     # add new keys from the package;
 


@@ -132,33 +150,37 @@ usage() {
 
 # Determine on which keyring we want to work
 if [ "$1" = "--keyring" ]; then
 
 # Determine on which keyring we want to work
 if [ "$1" = "--keyring" ]; then

-       echo "keyfile given"
+        #echo "keyfile given"

        shift
        TRUSTEDFILE="$1"
        shift
        TRUSTEDFILE="$1"

-       if [ -r "$TRUSTEDFILE" ]; then
+       if [ -r "$TRUSTEDFILE" ] || [ "$2" = 'add' ]; then

                GPG="$GPG --keyring $TRUSTEDFILE --primary-keyring $TRUSTEDFILE"
        else
                echo >&2 "Error: The specified keyring »$TRUSTEDFILE« is missing or not readable"
                exit 1
        fi
        shift
                GPG="$GPG --keyring $TRUSTEDFILE --primary-keyring $TRUSTEDFILE"
        else
                echo >&2 "Error: The specified keyring »$TRUSTEDFILE« is missing or not readable"
                exit 1
        fi
        shift

+# otherwise use the default

 else
 else

-       echo "generate list"
+       #echo "generate list"

        TRUSTEDFILE="/etc/apt/trusted.gpg"
        TRUSTEDFILE="/etc/apt/trusted.gpg"

+       eval $(apt-config shell TRUSTEDFILE Apt::GPGV::TrustedKeyring)
+       eval $(apt-config shell TRUSTEDFILE Dir::Etc::Trusted/f)

        if [ -r "$TRUSTEDFILE" ]; then
                GPG="$GPG --keyring $TRUSTEDFILE"
        fi
        GPG="$GPG --primary-keyring $TRUSTEDFILE"
        TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
        if [ -r "$TRUSTEDFILE" ]; then
                GPG="$GPG --keyring $TRUSTEDFILE"
        fi
        GPG="$GPG --primary-keyring $TRUSTEDFILE"
        TRUSTEDPARTS="/etc/apt/trusted.gpg.d"

+       eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)

        if [ -d "$TRUSTEDPARTS" ]; then
        if [ -d "$TRUSTEDPARTS" ]; then

-               echo "parts active"
+               #echo "parts active"

                for trusted in $(run-parts --list $TRUSTEDPARTS --regex '^.*\.gpg$'); do
                for trusted in $(run-parts --list $TRUSTEDPARTS --regex '^.*\.gpg$'); do

-                       echo "part -> $trusted"
+                       #echo "part -> $trusted"

                        GPG="$GPG --keyring $trusted"
                done
        fi
 fi
                        GPG="$GPG --keyring $trusted"
                done
        fi
 fi

-echo "COMMAND: $GPG"
+#echo "COMMAND: $GPG"

 
 command="$1"
 if [ -z "$command" ]; then
 
 command="$1"
 if [ -z "$command" ]; then


@@ -175,10 +197,12 @@ fi
 
 case "$command" in
     add)
 
 case "$command" in
     add)

+        requires_root

         $GPG --quiet --batch --import "$1"
         echo "OK"
         ;;
     del|rm|remove)
         $GPG --quiet --batch --import "$1"
         echo "OK"
         ;;
     del|rm|remove)

+        requires_root

         $GPG --quiet --batch --delete-key --yes "$1"
         echo "OK"
         ;;
         $GPG --quiet --batch --delete-key --yes "$1"
         echo "OK"
         ;;