#
# Written by
# Jameson Rollins <jrollins@fifthhorseman.net>
+# Jamie McClelland <jm@mayfirst.org>
+# Daniel Kahn Gillmor <dkg@fifthhorseman.net>
#
# Copyright 2008, released under the GPL, version 3 or later
exit ${2:-'255'}
}
-# write output to stderr
+# write output to stderr based on specified LOG_LEVEL the first
+# parameter is the priority of the output, and everything else is what
+# is echoed to stderr
log() {
+ local priority
local level
+ local output
+ local alllevels
+ local found=
- level="$1"
+ # don't include SILENT in alllevels: it's handled separately
+ # list in decreasing verbosity (all caps).
+ # separate with $IFS explicitly, since we do some fancy footwork
+ # elsewhere.
+ alllevels="DEBUG${IFS}VERBOSE${IFS}INFO${IFS}ERROR"
+
+ # translate lowers to uppers in global log level
+ LOG_LEVEL=$(echo "$LOG_LEVEL" | tr "[:lower:]" "[:upper:]")
+
+ # just go ahead and return if the log level is silent
+ if [ "$LOG_LEVEL" = 'SILENT' ] ; then
+ return
+ fi
+
+ for level in $alllevels ; do
+ if [ "$LOG_LEVEL" = "$level" ] ; then
+ found=true
+ fi
+ done
+ if [ -z "$found" ] ; then
+ # default to INFO:
+ LOG_LEVEL=INFO
+ fi
+
+ # get priority from first parameter, translating all lower to
+ # uppers
+ priority=$(echo "$1" | tr "[:lower:]" "[:upper:]")
shift
- echo -n "ms: " >&2
- echo "$@" >&2
+ # scan over available levels
+ for level in $alllevels ; do
+ # output if the log level matches, set output to true
+ # this will output for all subsequent loops as well.
+ if [ "$LOG_LEVEL" = "$level" ] ; then
+ output=true
+ fi
+ if [ "$priority" = "$level" -a "$output" = 'true' ] ; then
+ echo -n "ms: " >&2
+ echo "$@" >&2
+ fi
+ done
}
# cut out all comments(#) and blank lines from standard input
# if the gpg query return code is not 0, return 1
if [ "$?" -ne 0 ] ; then
- log error " no primary keys found."
+ log verbose " no primary keys found."
return 1
fi
lastKeyOK=
fingerprint=
- log error " primary key found: $keyid"
+ log verbose " primary key found: $keyid"
# if overall key is not valid, skip
if [ "$validity" != 'u' -a "$validity" != 'f' ] ; then
# output a line for the primary key
# 0 = ok, 1 = bad
if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
- log error " * acceptable primary key."
+ log verbose " * acceptable primary key."
if [ -z "$sshKey" ] ; then
log error " ! primary key could not be translated (not RSA or DSA?)."
else
# output a line for the sub key
# 0 = ok, 1 = bad
if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
- log error " * acceptable sub key."
+ log verbose " * acceptable sub key."
if [ -z "$sshKey" ] ; then
log error " ! sub key could not be translated (not RSA or DSA?)."
else
host="$1"
userID="ssh://${host}"
- log info "processing: $host"
+ log verbose "processing: $host"
nKeys=0
nKeysOK=0
# note if the known_hosts file was updated
if [ "$(file_hash "$KNOWN_HOSTS")" != "$fileCheck" ] ; then
- log info "known_hosts file updated."
+ log verbose "known_hosts file updated."
fi
# if an acceptable host was found, return 0
process_known_hosts() {
local hosts
- log info "processing known_hosts file..."
+ log verbose "processing known_hosts file..."
hosts=$(meat "$KNOWN_HOSTS" | cut -d ' ' -f 1 | grep -v '^|.*$' | tr , ' ' | tr '\n' ' ')
userID="$1"
- log info "processing: $userID"
+ log verbose "processing: $userID"
nKeys=0
nKeysOK=0
# note if the authorized_keys file was updated
if [ "$(file_hash "$AUTHORIZED_KEYS")" != "$fileCheck" ] ; then
- log info "authorized_keys file updated."
+ log verbose "authorized_keys file updated."
fi
# if an acceptable id was found, return 0
authorizedUserIDs="$1"
- log info "processing authorized_user_ids file..."
+ log verbose "processing authorized_user_ids file..."
if ! meat "$authorizedUserIDs" > /dev/null ; then
log error "no user IDs to process."