merged from debian-sid

1 files changed, 42 insertions, 5 deletions

diff --git a/cmdline/apt-key b/cmdline/apt-key
index 5f4e02fdf..e45468fd4 100755
--- a/cmdline/apt-key
+++ b/cmdline/apt-key
@@ -5,10 +5,8 @@ unset GREP_OPTIONS
 
 # 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"
-GPG="$GPG_CMD --keyring /etc/apt/trusted.gpg"
-
+GPG="$GPG_CMD"
 
 MASTER_KEYRING=""
 ARCHIVE_KEYRING_URI=""
@@ -56,7 +54,14 @@ 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
-	echo "ERROR: no location for the archive-keyring given" 
+	echo "ERROR: no location for the archive-keyring given"
+	exit 1
+    fi
+    # 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"
+	exit 1
     fi
     if [ ! -d /var/lib/apt/keyrings ]; then
 	mkdir -p /var/lib/apt/keyrings
@@ -108,7 +113,7 @@ update() {
 
 
 usage() {
-    echo "Usage: apt-key [command] [arguments]"
+    echo "Usage: apt-key [--keyring file] [command] [arguments]"
     echo
     echo "Manage apt's list of trusted keys"
     echo
@@ -122,8 +127,40 @@ usage() {
     echo "  apt-key finger              - list fingerprints"
     echo "  apt-key adv                 - pass advanced options to gpg (download key)"
     echo
+    echo "If no specific keyring file is given the command applies to all keyring files."
 }
 
+# Determine on which keyring we want to work
+if [ "$1" = "--keyring" ]; then
+        #echo "keyfile given"
+	shift
+	TRUSTEDFILE="$1"
+	if [ -r "$TRUSTEDFILE" ]; 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
+# otherwise use the default
+else
+	#echo "generate list"
+	TRUSTEDFILE="/etc/apt/trusted.gpg"
+	if [ -r "$TRUSTEDFILE" ]; then
+		GPG="$GPG --keyring $TRUSTEDFILE"
+	fi
+	GPG="$GPG --primary-keyring $TRUSTEDFILE"
+	TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
+	if [ -d "$TRUSTEDPARTS" ]; then
+		#echo "parts active"
+		for trusted in $(run-parts --list $TRUSTEDPARTS --regex '^.*\.gpg$'); do
+			#echo "part -> $trusted"
+			GPG="$GPG --keyring $trusted"
+		done
+	fi
+fi
+#echo "COMMAND: $GPG"
+
 command="$1"
 if [ -z "$command" ]; then
     usage