2 # This should be sourced by bash (though we welcome changes to make it POSIX sh compliant)
4 # Shared sh functions for the monkeysphere
7 # Jameson Rollins <jrollins@finestructure.net>
8 # Jamie McClelland <jm@mayfirst.org>
9 # Daniel Kahn Gillmor <dkg@fifthhorseman.net>
11 # Copyright 2008, released under the GPL, version 3 or later
13 # all-caps variables are meant to be user supplied (ie. from config
14 # file) and are considered global
16 ########################################################################
20 SYSCONFIGDIR=${MONKEYSPHERE_SYSCONFIGDIR:-"/etc/monkeysphere"}
23 # monkeysphere version
26 ########################################################################
29 # failure function. exits with code 255, unless specified otherwise.
31 [ "$1" ] && echo "$1" >&2
35 # write output to stderr based on specified LOG_LEVEL the first
36 # parameter is the priority of the output, and everything else is what
37 # is echoed to stderr. If there is nothing else, then output comes
38 # from stdin, and is not prefaced by log prefix.
46 # don't include SILENT in alllevels: it's handled separately
47 # list in decreasing verbosity (all caps).
48 # separate with $IFS explicitly, since we do some fancy footwork
50 alllevels="DEBUG${IFS}VERBOSE${IFS}INFO${IFS}ERROR"
52 # translate lowers to uppers in global log level
53 LOG_LEVEL=$(echo "$LOG_LEVEL" | tr "[:lower:]" "[:upper:]")
55 # just go ahead and return if the log level is silent
56 if [ "$LOG_LEVEL" = 'SILENT' ] ; then
60 for level in $alllevels ; do
61 if [ "$LOG_LEVEL" = "$level" ] ; then
65 if [ -z "$found" ] ; then
70 # get priority from first parameter, translating all lower to
72 priority=$(echo "$1" | tr "[:lower:]" "[:upper:]")
75 # scan over available levels
76 for level in $alllevels ; do
77 # output if the log level matches, set output to true
78 # this will output for all subsequent loops as well.
79 if [ "$LOG_LEVEL" = "$level" ] ; then
82 if [ "$priority" = "$level" -a "$output" = 'true' ] ; then
93 # run command as monkeysphere user
94 su_monkeysphere_user() {
95 # if the current user is the monkeysphere user, then just eval
97 if [ $(id -un) = "$MONKEYSPHERE_USER" ] ; then
100 # otherwise su command as monkeysphere user
102 su "$MONKEYSPHERE_USER" -c "$@"
106 # cut out all comments(#) and blank lines from standard input
108 grep -v -e "^[[:space:]]*#" -e '^$' "$1"
111 # cut a specified line from standard input
113 head --line="$1" "$2" | tail -1
116 # this is a wrapper for doing lock functions.
118 # it lets us depend on either lockfile-progs (preferred) or procmail's
119 # lockfile, and should
121 local use_lockfileprogs=true
125 if ! ( which lockfile-create >/dev/null 2>/dev/null ) ; then
126 if ! ( which lockfile >/dev/null ); then
127 failure "Neither lockfile-create nor lockfile are in the path!"
134 if [ -n "$use_lockfileprogs" ] ; then
135 lockfile-create "$file" || failure "unable to lock '$file'"
137 lockfile -r 20 "${file}.lock" || failure "unable to lock '$file'"
139 log debug "lock created on '$file'."
142 if [ -n "$use_lockfileprogs" ] ; then
143 lockfile-touch --oneshot "$file"
147 log debug "lock touched on '$file'."
150 if [ -n "$use_lockfileprogs" ] ; then
151 lockfile-remove "$file"
155 log debug "lock removed on '$file'."
158 failure "bad argument for lock subfunction '$action'"
163 # for portability, between gnu date and BSD date.
164 # arguments should be: number longunits format
166 # e.g. advance_date 20 seconds +%F
174 # try things the GNU way first
175 if date -d "$number $longunits" "$format" >/dev/null 2>&1; then
176 date -d "$number $longunits" "$format"
178 # otherwise, convert to (a limited version of) BSD date syntax:
202 # this is a longshot, and will likely fail; oh well.
203 shortunits="$longunits"
205 date "-v+${number}${shortunits}" "$format"
210 # check that characters are in a string (in an AND fashion).
211 # used for checking key capability
212 # check_capability capability a [b...]
221 if echo "$usage" | grep -q -v "$capcheck" ; then
230 md5sum "$1" 2> /dev/null
233 # convert escaped characters in pipeline from gpg output back into
235 # FIXME: undo all escape character translation in with-colons gpg
241 # convert nasty chars into gpg-friendly form in pipeline
242 # FIXME: escape everything, not just colons!
247 # prompt for GPG-formatted expiration, and emit result on stdout
248 get_gpg_expiration() {
253 if [ -z "$keyExpire" ]; then
255 Please specify how long the key should be valid.
256 0 = key does not expire
257 <n> = key expires in n days
258 <n>w = key expires in n weeks
259 <n>m = key expires in n months
260 <n>y = key expires in n years
262 while [ -z "$keyExpire" ] ; do
263 read -p "Key is valid for? (0) " keyExpire
264 if ! test_gpg_expire ${keyExpire:=0} ; then
265 echo "invalid value" >&2
269 elif ! test_gpg_expire "$keyExpire" ; then
270 failure "invalid key expiration value '$keyExpire'."
276 passphrase_prompt() {
281 if [ "$DISPLAY" ] && which "${SSH_ASKPASS:-ssh-askpass}" >/dev/null; then
282 "${SSH_ASKPASS:-ssh-askpass}" "$prompt" > "$fifo"
284 read -s -p "$prompt" PASS
285 # Uses the builtin echo, so should not put the passphrase into
286 # the process table. I think. --dkg
287 echo "$PASS" > "$fifo"
291 test_gnu_dummy_s2k_extension() {
293 # this block contains a demonstration private key that has had the
294 # primary key stripped out using the GNU S2K extension known as
295 # "gnu-dummy" (see /usr/share/doc/gnupg/DETAILS.gz). The subkey is
296 # present in cleartext, however.
298 # openpgp2ssh will be able to deal with this based on whether the
299 # local copy of GnuTLS contains read_s2k support that can handle it.
301 # read up on that here:
303 # http://lists.gnu.org/archive/html/gnutls-devel/2008-08/msg00005.html
306 -----BEGIN PGP PRIVATE KEY BLOCK-----
307 Version: GnuPG v1.4.9 (GNU/Linux)
309 lQCVBEO3YdABBACRqqEnucag4+vyZny2M67Pai5+5suIRRvY+Ly8Ms5MvgCi3EVV
310 xT05O/+0ShiRaf+QicCOFrhbU9PZzzU+seEvkeW2UCu4dQfILkmj+HBEIltGnHr3
311 G0yegHj5pnqrcezERURf2e17gGFWX91cXB9Cm721FPXczuKraphKwCA9PwARAQAB
312 /gNlAkdOVQG0OURlbW9uc3RyYXRpb24gS2V5IGZvciBTMksgR05VIGV4dGVuc2lv
313 biAxMDAxIC0tIGdudS1kdW1teYi8BBMBAgAmBQJDt2HQAhsDBQkB4TOABgsJCAcD
314 AgQVAggDBBYCAwECHgECF4AACgkQQZUwSa4UDezTOQP/TMQXUVrWzHYZGopoPZ2+
315 ZS3qddiznBHsgb7MGYg1KlTiVJSroDUBCHIUJvdQKZV9zrzrFl47D07x6hGyUPHV
316 aZXvuITW8t1o5MMHkCy3pmJ2KgfDvdUxrBvLfgPMICA4c6zA0mWquee43syEW9NY
317 g3q61iPlQwD1J1kX1wlimLCdAdgEQ7dh0AEEANAwa63zlQbuy1Meliy8otwiOa+a
318 mH6pxxUgUNggjyjO5qx+rl25mMjvGIRX4/L1QwIBXJBVi3SgvJW1COZxZqBYqj9U
319 8HVT07mWKFEDf0rZLeUE2jTm16cF9fcW4DQhW+sfYm+hi2sY3HeMuwlUBK9KHfW2
320 +bGeDzVZ4pqfUEudABEBAAEAA/0bemib+wxub9IyVFUp7nPobjQC83qxLSNzrGI/
321 RHzgu/5CQi4tfLOnwbcQsLELfker2hYnjsLrT9PURqK4F7udrWEoZ1I1LymOtLG/
322 4tNZ7Mnul3wRC2tCn7FKx8sGJwGh/3li8vZ6ALVJAyOia5TZ/buX0+QZzt6+hPKk
323 7MU1WQIA4bUBjtrsqDwro94DvPj3/jBnMZbXr6WZIItLNeVDUcM8oHL807Am97K1
324 ueO/f6v1sGAHG6lVPTmtekqPSTWBfwIA7CGFvEyvSALfB8NUa6jtk27NCiw0csql
325 kuhCmwXGMVOiryKEfegkIahf2bAd/gnWHPrpWp7bUE20v8YoW22I4wIAhnm5Wr5Q
326 Sy7EHDUxmJm5TzadFp9gq08qNzHBpXSYXXJ3JuWcL1/awUqp3tE1I6zZ0hZ38Ia6
327 SdBMN88idnhDPqPoiKUEGAECAA8FAkO3YdACGyAFCQHhM4AACgkQQZUwSa4UDezm
328 vQP/ZhK+2ly9oI2z7ZcNC/BJRch0/ybQ3haahII8pXXmOThpZohr/LUgoWgCZdXg
329 vP6yiszNk2tIs8KphCAw7Lw/qzDC2hEORjWO4f46qk73RAgSqG/GyzI4ltWiDhqn
330 vnQCFl3+QFSe4zinqykHnLwGPMXv428d/ZjkIc2ju8dRsn4=
332 -----END PGP PRIVATE KEY BLOCK-----
333 " | openpgp2ssh 4129E89D17C1D591 >/dev/null 2>/dev/null
337 # remove all lines with specified string from specified file
346 if [ -z "$file" -o -z "$string" ] ; then
350 if [ ! -e "$file" ] ; then
354 # if the string is in the file...
355 if grep -q -F "$string" "$file" 2> /dev/null ; then
356 tempfile=$(mktemp "${file}.XXXXXXX") || \
357 failure "Unable to make temp file '${file}.XXXXXXX'"
359 # remove the line with the string, and return 0
360 grep -v -F "$string" "$file" >"$tempfile"
361 cat "$tempfile" > "$file"
370 # remove all lines with MonkeySphere strings in file
371 remove_monkeysphere_lines() {
377 if [ -z "$file" ] ; then
381 if [ ! -e "$file" ] ; then
385 tempfile=$(mktemp "${file}.XXXXXXX") || \
386 failure "Could not make temporary file '${file}.XXXXXXX'."
388 egrep -v '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$' \
390 cat "$tempfile" > "$file"
394 # translate ssh-style path variables %h and %u
395 translate_ssh_variables() {
402 # get the user's home directory
403 userHome=$(getent passwd "$uname" | cut -d: -f6)
405 # translate '%u' to user name
406 path=${path/\%u/"$uname"}
407 # translate '%h' to user home directory
408 path=${path/\%h/"$userHome"}
413 # test that a string to conforms to GPG's expiration format
415 echo "$1" | egrep -q "^[0-9]+[mwy]?$"
418 # check that a file is properly owned, and that all it's parent
419 # directories are not group/other writable
420 check_key_file_permissions() {
428 # function to check that the given permission corresponds to writability
436 log debug "checking path permission '$path'..."
438 # return 255 if cannot stat file
439 if ! stat=$(ls -ld "$path" 2>/dev/null) ; then
440 log error "could not stat path '$path'."
444 owner=$(echo "$stat" | awk '{ print $3 }')
445 gAccess=$(echo "$stat" | cut -c6)
446 oAccess=$(echo "$stat" | cut -c9)
448 # return 1 if path has invalid owner
449 if [ "$owner" != "$uname" -a "$owner" != 'root' ] ; then
450 log error "improper ownership on path '$path'."
454 # return 2 if path has group or other writability
455 if is_write "$gAccess" || is_write "$oAccess" ; then
456 log error "improper group or other writability on path '$path'."
460 # return zero if all clear, or go to next path
461 if [ "$path" = '/' ] ; then
464 check_key_file_permissions "$uname" $(dirname "$path")
468 ### CONVERSION UTILITIES
470 # output the ssh key for a given key ID
476 gpg --export "$keyID" | openpgp2ssh "$keyID" 2> /dev/null
479 # output known_hosts line from ssh key
488 echo -n "$key" | tr -d '\n'
489 echo " MonkeySphere${DATE}"
492 # output authorized_keys line from ssh key
493 ssh2authorized_keys() {
500 echo -n "$key" | tr -d '\n'
501 echo " MonkeySphere${DATE} ${userID}"
504 # convert key from gpg to ssh known_hosts format
512 # NOTE: it seems that ssh-keygen -R removes all comment fields from
513 # all lines in the known_hosts file. why?
514 # NOTE: just in case, the COMMENT can be matched with the
516 # '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$'
518 gpg2ssh "$keyID" | tr -d '\n'
519 echo " MonkeySphere${DATE}"
522 # convert key from gpg to ssh authorized_keys format
523 gpg2authorized_keys() {
530 # NOTE: just in case, the COMMENT can be matched with the
532 # '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$'
533 gpg2ssh "$keyID" | tr -d '\n'
534 echo " MonkeySphere${DATE} ${userID}"
539 # retrieve all keys with given user id from keyserver
540 # FIXME: need to figure out how to retrieve all matching keys
541 # (not just first N (5 in this case))
546 if [ "$CHECK_KEYSERVER" != 'true' ] ; then
552 log verbose " checking keyserver $KEYSERVER... "
554 gpg --quiet --batch --with-colons \
555 --command-fd 0 --keyserver "$KEYSERVER" \
556 --search ="$userID" > /dev/null 2>&1
562 ########################################################################
563 ### PROCESSING FUNCTIONS
565 # userid and key policy checking
566 # the following checks policy on the returned keys
567 # - checks that full key has appropriate valididy (u|f)
568 # - checks key has specified capability (REQUIRED_*_KEY_CAPABILITY)
569 # - checks that requested user ID has appropriate validity
570 # (see /usr/share/doc/gnupg/DETAILS.gz)
571 # output is one line for every found key, in the following format:
575 # "flag" is an acceptability flag, 0 = ok, 1 = bad
576 # "sshKey" is the translated gpg key
578 # all log output must go to stderr, as stdout is used to pass the
579 # flag:sshKey to the calling function.
581 # expects global variable: "MODE"
584 local requiredCapability
585 local requiredPubCapability
600 # set the required key capability based on the mode
601 if [ "$MODE" = 'known_hosts' ] ; then
602 requiredCapability="$REQUIRED_HOST_KEY_CAPABILITY"
603 elif [ "$MODE" = 'authorized_keys' ] ; then
604 requiredCapability="$REQUIRED_USER_KEY_CAPABILITY"
606 requiredPubCapability=$(echo "$requiredCapability" | tr "[:lower:]" "[:upper:]")
608 # fetch the user ID if necessary/requested
609 gpg_fetch_userid "$userID"
611 # output gpg info for (exact) userid and store
612 gpgOut=$(gpg --list-key --fixed-list-mode --with-colon \
613 --with-fingerprint --with-fingerprint \
614 ="$userID" 2>/dev/null)
616 # if the gpg query return code is not 0, return 1
617 if [ "$?" -ne 0 ] ; then
618 log verbose " no primary keys found."
622 # loop over all lines in the gpg output and process.
623 echo "$gpgOut" | cut -d: -f1,2,5,10,12 | \
624 while IFS=: read -r type validity keyid uidfpr usage ; do
625 # process based on record type
627 'pub') # primary keys
628 # new key, wipe the slate
635 log verbose " primary key found: $keyid"
637 # if overall key is not valid, skip
638 if [ "$validity" != 'u' -a "$validity" != 'f' ] ; then
639 log debug " - unacceptable primary key validity ($validity)."
642 # if overall key is disabled, skip
643 if check_capability "$usage" 'D' ; then
644 log debug " - key disabled."
647 # if overall key capability is not ok, skip
648 if ! check_capability "$usage" $requiredPubCapability ; then
649 log debug " - unacceptable primary key capability ($usage)."
653 # mark overall key as ok
656 # mark primary key as ok if capability is ok
657 if check_capability "$usage" $requiredCapability ; then
662 if [ "$lastKey" != pub ] ; then
663 log verbose " ! got a user ID after a sub key?! user IDs should only follow primary keys!"
666 # if an acceptable user ID was already found, skip
667 if [ "$uidOK" = 'true' ] ; then
670 # if the user ID does matches...
671 if [ "$(echo "$uidfpr" | gpg_unescape)" = "$userID" ] ; then
672 # and the user ID validity is ok
673 if [ "$validity" = 'u' -o "$validity" = 'f' ] ; then
674 # mark user ID acceptable
677 log debug " - unacceptable user ID validity ($validity)."
683 # output a line for the primary key
685 if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
686 log verbose " * acceptable primary key."
687 if [ -z "$sshKey" ] ; then
688 log error " ! primary key could not be translated (not RSA or DSA?)."
693 log debug " - unacceptable primary key."
694 if [ -z "$sshKey" ] ; then
695 log debug " ! primary key could not be translated (not RSA or DSA?)."
702 # unset acceptability of last key
707 # don't bother with sub keys if the primary key is not valid
708 if [ "$keyOK" != true ] ; then
712 # don't bother with sub keys if no user ID is acceptable:
713 if [ "$uidOK" != true ] ; then
717 # if sub key validity is not ok, skip
718 if [ "$validity" != 'u' -a "$validity" != 'f' ] ; then
719 log debug " - unacceptable sub key validity ($validity)."
722 # if sub key capability is not ok, skip
723 if ! check_capability "$usage" $requiredCapability ; then
724 log debug " - unacceptable sub key capability ($usage)."
731 'fpr') # key fingerprint
732 fingerprint="$uidfpr"
734 sshKey=$(gpg2ssh "$fingerprint")
736 # if the last key was the pub key, skip
737 if [ "$lastKey" = pub ] ; then
741 # output a line for the sub key
743 if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
744 log verbose " * acceptable sub key."
745 if [ -z "$sshKey" ] ; then
746 log error " ! sub key could not be translated (not RSA or DSA?)."
751 log debug " - unacceptable sub key."
752 if [ -z "$sshKey" ] ; then
753 log debug " ! sub key could not be translated (not RSA or DSA?)."
760 done | sort -t: -k1 -n -r
761 # NOTE: this last sort is important so that the "good" keys (key
762 # flag '0') come last. This is so that they take precedence when
763 # being processed in the key files over "bad" keys (key flag '1')
766 # process a single host in the known_host file
767 process_host_known_hosts() {
778 userID="ssh://${host}"
780 log verbose "processing: $host"
786 for line in $(process_user_id "${userID}") ; do
787 # note that key was found
790 ok=$(echo "$line" | cut -d: -f1)
791 sshKey=$(echo "$line" | cut -d: -f2)
793 if [ -z "$sshKey" ] ; then
797 # remove any old host key line, and note if removed nothing is
799 remove_line "$KNOWN_HOSTS" "$sshKey" || noKey=true
801 # if key OK, add new host line
802 if [ "$ok" -eq '0' ] ; then
803 # note that key was found ok
804 nKeysOK=$((nKeysOK+1))
807 if [ "$HASH_KNOWN_HOSTS" = 'true' ] ; then
808 # FIXME: this is really hackish cause ssh-keygen won't
809 # hash from stdin to stdout
810 tmpfile=$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXXXXXX)
811 ssh2known_hosts "$host" "$sshKey" > "$tmpfile"
812 ssh-keygen -H -f "$tmpfile" 2> /dev/null
813 cat "$tmpfile" >> "$KNOWN_HOSTS"
814 rm -f "$tmpfile" "${tmpfile}.old"
816 ssh2known_hosts "$host" "$sshKey" >> "$KNOWN_HOSTS"
819 # log if this is a new key to the known_hosts file
820 if [ "$noKey" ] ; then
821 log info "* new key for $host added to known_hosts file."
826 # if at least one key was found...
827 if [ "$nKeys" -gt 0 ] ; then
828 # if ok keys were found, return 0
829 if [ "$nKeysOK" -gt 0 ] ; then
835 # if no keys were found, return 1
841 # update the known_hosts file for a set of hosts listed on command
843 update_known_hosts() {
850 # the number of hosts specified on command line
856 # create a lockfile on known_hosts:
857 lock create "$KNOWN_HOSTS"
858 # FIXME: we're discarding any pre-existing EXIT trap; is this bad?
859 trap "lock remove $KNOWN_HOSTS" EXIT
861 # note pre update file checksum
862 fileCheck="$(file_hash "$KNOWN_HOSTS")"
866 process_host_known_hosts "$host"
870 nHostsOK=$((nHostsOK+1))
873 nHostsBAD=$((nHostsBAD+1))
877 # touch the lockfile, for good measure.
878 lock touch "$KNOWN_HOSTS"
881 # remove the lockfile and the trap
882 lock remove "$KNOWN_HOSTS"
885 # note if the known_hosts file was updated
886 if [ "$(file_hash "$KNOWN_HOSTS")" != "$fileCheck" ] ; then
887 log debug "known_hosts file updated."
890 # if an acceptable host was found, return 0
891 if [ "$nHostsOK" -gt 0 ] ; then
893 # else if no ok hosts were found...
895 # if no bad host were found then no hosts were found at all,
897 if [ "$nHostsBAD" -eq 0 ] ; then
899 # else if at least one bad host was found, return 2
906 # process hosts from a known_hosts file
907 process_known_hosts() {
910 log debug "processing known_hosts file..."
912 hosts=$(meat "$KNOWN_HOSTS" | cut -d ' ' -f 1 | grep -v '^|.*$' | tr , ' ' | tr '\n' ' ')
914 if [ -z "$hosts" ] ; then
915 log debug "no hosts to process."
919 # take all the hosts from the known_hosts file (first
920 # field), grep out all the hashed hosts (lines starting
922 update_known_hosts $hosts
925 # process uids for the authorized_keys file
926 process_uid_authorized_keys() {
935 log verbose "processing: $userID"
941 for line in $(process_user_id "$userID") ; do
942 # note that key was found
945 ok=$(echo "$line" | cut -d: -f1)
946 sshKey=$(echo "$line" | cut -d: -f2)
948 if [ -z "$sshKey" ] ; then
952 # remove the old host key line
953 remove_line "$AUTHORIZED_KEYS" "$sshKey"
955 # if key OK, add new host line
956 if [ "$ok" -eq '0' ] ; then
957 # note that key was found ok
958 nKeysOK=$((nKeysOK+1))
960 ssh2authorized_keys "$userID" "$sshKey" >> "$AUTHORIZED_KEYS"
964 # if at least one key was found...
965 if [ "$nKeys" -gt 0 ] ; then
966 # if ok keys were found, return 0
967 if [ "$nKeysOK" -gt 0 ] ; then
973 # if no keys were found, return 1
979 # update the authorized_keys files from a list of user IDs on command
981 update_authorized_keys() {
988 # the number of ids specified on command line
994 # create a lockfile on authorized_keys
995 lock create "$AUTHORIZED_KEYS"
996 # FIXME: we're discarding any pre-existing EXIT trap; is this bad?
997 trap "lock remove $AUTHORIZED_KEYS" EXIT
999 # note pre update file checksum
1000 fileCheck="$(file_hash "$AUTHORIZED_KEYS")"
1002 # remove any monkeysphere lines from authorized_keys file
1003 remove_monkeysphere_lines "$AUTHORIZED_KEYS"
1006 # process the user ID, change return code if key not found for
1008 process_uid_authorized_keys "$userID"
1013 nIDsOK=$((nIDsOK+1))
1016 nIDsBAD=$((nIDsBAD+1))
1020 # touch the lockfile, for good measure.
1021 lock touch "$AUTHORIZED_KEYS"
1024 # remove the lockfile and the trap
1025 lock remove "$AUTHORIZED_KEYS"
1030 # note if the authorized_keys file was updated
1031 if [ "$(file_hash "$AUTHORIZED_KEYS")" != "$fileCheck" ] ; then
1032 log debug "authorized_keys file updated."
1035 # if an acceptable id was found, return 0
1036 if [ "$nIDsOK" -gt 0 ] ; then
1038 # else if no ok ids were found...
1040 # if no bad ids were found then no ids were found at all, and
1042 if [ "$nIDsBAD" -eq 0 ] ; then
1044 # else if at least one bad id was found, return 2
1051 # process an authorized_user_ids file for authorized_keys
1052 process_authorized_user_ids() {
1057 authorizedUserIDs="$1"
1059 log debug "processing authorized_user_ids file..."
1061 if ! meat "$authorizedUserIDs" > /dev/null ; then
1062 log debug " no user IDs to process."
1068 # extract user IDs from authorized_user_ids file
1070 for line in $(meat "$authorizedUserIDs") ; do
1071 userIDs["$nline"]="$line"
1075 update_authorized_keys "${userIDs[@]}"