close server if parsing of header field failed

[apt.git] / cmdline / apt-key.in

diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in
index b309142cf8471f71b56f83d29f691ffe67889517..7c12c72a309332fd40cc03ef9ff63581351f2217 100644 (file)
--- a/cmdline/apt-key.in
+++ b/cmdline/apt-key.in
@@ -23,6 +23,7 @@ requires_root() {
 }
 
 command_available() {
+    if [ -x "$1" ]; then return 0; fi
     # command -v "$1" >/dev/null 2>&1 # not required by policy, see #747320
     # which "$1" >/dev/null 2>&1 # is in debianutils (essential) but not on non-debian systems
     local OLDIFS="$IFS"
@@ -238,12 +239,9 @@ foreach_keyring_do() {
        local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
        eval "$(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)"
        if [ -d "$TRUSTEDPARTS" ]; then
-           # strip / suffix as gpg will double-slash in that case (#665411)
-           local STRIPPED_TRUSTEDPARTS="${TRUSTEDPARTS%/}"
-           if [ "${STRIPPED_TRUSTEDPARTS}/" = "$TRUSTEDPARTS" ]; then
-               TRUSTEDPARTS="$STRIPPED_TRUSTEDPARTS"
-           fi
-           for trusted in $(find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -regex '^.*\.gpg$' | sort); do
+           TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
+           local TRUSTEDPARTSLIST="$(cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg')"
+           for trusted in $(echo "$TRUSTEDPARTSLIST" | sort); do
                if [ -s "$trusted" ]; then
                    $ACTION "$trusted" "$@"
                fi
@@ -301,7 +299,7 @@ merge_all_trusted_keyrings_into_pubring() {
     # does the same as:
     # foreach_keyring_do 'import_keys_from_keyring' "${GPGHOMEDIR}/pubring.gpg"
     # but without using gpg, just cat and find
-    local PUBRING="${GPGHOMEDIR}/pubring.gpg"
+    local PUBRING="$(readlink -f "${GPGHOMEDIR}/pubring.gpg")"
     # if a --keyring was given, just use this one
     if [ -n "$FORCED_KEYRING" ]; then
        if [ -s "$FORCED_KEYRING" ]; then
@@ -312,13 +310,12 @@ merge_all_trusted_keyrings_into_pubring() {
        local TRUSTEDPARTS="/etc/apt/trusted.gpg.d"
        eval $(apt-config shell TRUSTEDPARTS Dir::Etc::TrustedParts/d)
        if [ -d "$TRUSTEDPARTS" ]; then
-           # ignore errors mostly for non-existing $TRUSTEDFILE
-           {
-              cat "$TRUSTEDFILE" || true
-              for parts in $(find -L "$TRUSTEDPARTS" -type f -name '*.gpg'); do
-                 cat "$parts" || true
-              done
-           } > "$PUBRING" 2>/dev/null
+           rm -f "$PUBRING"
+           if [ -s "$TRUSTEDFILE" ]; then
+               cat "$TRUSTEDFILE" > "$PUBRING"
+           fi
+           TRUSTEDPARTS="$(readlink -f "$TRUSTEDPARTS")"
+           (cd /; find "$TRUSTEDPARTS" -mindepth 1 -maxdepth 1 -name '*.gpg' -exec cat {} + >> "$PUBRING";)
        elif [ -s "$TRUSTEDFILE" ]; then
            cp --dereference "$TRUSTEDFILE" "$PUBRING"
        fi