# userid and key policy checking
# the following checks policy on the returned keys
# - checks that full key has appropriate valididy (u|f)
-# - checks key has specified capability (REQUIRED_*_KEY_CAPABILITY)
+# - checks key has specified capability (REQUIRED_KEY_CAPABILITY)
# - checks that requested user ID has appropriate validity
# (see /usr/share/doc/gnupg/DETAILS.gz)
# output is one line for every found key, in the following format:
#
# all log output must go to stderr, as stdout is used to pass the
# flag:sshKey to the calling function.
-#
-# expects global variable: "MODE"
process_user_id() {
local returnCode=0
local userID
userID="$1"
# set the required key capability based on the mode
- if [ "$MODE" = 'known_hosts' ] ; then
- requiredCapability="$REQUIRED_HOST_KEY_CAPABILITY"
- elif [ "$MODE" = 'authorized_keys' ] ; then
- requiredCapability="$REQUIRED_USER_KEY_CAPABILITY"
- fi
+ requiredCapability=${REQUIRED_KEY_CAPABILITY:="a"}
requiredPubCapability=$(echo "$requiredCapability" | tr "[:lower:]" "[:upper:]")
# fetch the user ID if necessary/requested
local tmpfile
# set the key processing mode
- export MODE='known_hosts'
+ export REQUIRED_KEY_CAPABILITY="$REQUIRED_HOST_KEY_CAPABILITY"
host="$1"
userID="ssh://${host}"
local sshKey
# set the key processing mode
- export MODE='authorized_keys'
+ export REQUIRED_KEY_CAPABILITY="$REQUIRED_USER_KEY_CAPABILITY"
userID="$1"