diff options
Diffstat (limited to 'src')
-rwxr-xr-x | src/monkeysphere | 1 | ||||
-rw-r--r-- | src/share/common | 51 | ||||
-rwxr-xr-x | src/share/keytrans | 6 | ||||
-rw-r--r-- | src/share/m/gen_subkey | 6 | ||||
-rw-r--r-- | src/share/m/ssh_proxycommand | 6 | ||||
-rw-r--r-- | src/share/m/subkey_to_ssh_agent | 2 | ||||
-rw-r--r-- | src/share/ma/setup | 4 | ||||
-rw-r--r-- | src/share/ma/update_users | 2 |
8 files changed, 54 insertions, 24 deletions
diff --git a/src/monkeysphere b/src/monkeysphere index fbc05b4..147c179 100755 --- a/src/monkeysphere +++ b/src/monkeysphere @@ -48,6 +48,7 @@ subcommands: gen-subkey (g) [KEYID] generate an authentication subkey --length (-l) BITS key length in bits (2048) ssh-proxycommand HOST [PORT] monkeysphere ssh ProxyCommand + --no-connect do not make TCP connection to host subkey-to-ssh-agent (s) store authentication subkey in ssh-agent version (v) show version number help (h,?) this help diff --git a/src/share/common b/src/share/common index d6e4949..11e7969 100644 --- a/src/share/common +++ b/src/share/common @@ -147,8 +147,8 @@ lock() { local action="$1" local file="$2" - if ! ( which lockfile-create >/dev/null 2>/dev/null ) ; then - if ! ( which lockfile >/dev/null ); then + if ! ( type lockfile-create &>/dev/null ) ; then + if ! ( type lockfile &>/dev/null ); then failure "Neither lockfile-create nor lockfile are in the path!" fi use_lockfileprogs= @@ -197,7 +197,7 @@ advance_date() { local shortunits # try things the GNU way first - if date -d "$number $longunits" "$format" >/dev/null 2>&1; then + if date -d "$number $longunits" "$format" &>/dev/null; then date -d "$number $longunits" "$format" else # otherwise, convert to (a limited version of) BSD date syntax: @@ -252,7 +252,13 @@ check_capability() { # hash of a file file_hash() { - md5sum "$1" 2> /dev/null + if type md5sum &>/dev/null ; then + md5sum "$1" + elif type md5 &>/dev/null ; then + md5 "$1" + else + failure "Neither md5sum nor md5 are in the path!" + fi } # convert escaped characters in pipeline from gpg output back into @@ -303,7 +309,9 @@ passphrase_prompt() { local fifo="$2" local PASS - if [ "$DISPLAY" ] && which "${SSH_ASKPASS:-ssh-askpass}" >/dev/null; then + if [ "$DISPLAY" ] && type "${SSH_ASKPASS:-ssh-askpass}" >/dev/null; then + printf 'Launching "%s"\n' "${SSH_ASKPASS:-ssh-askpass}" | log info + printf '(with prompt "%s")\n' "$prompt" | log debug "${SSH_ASKPASS:-ssh-askpass}" "$prompt" > "$fifo" else read -s -p "$prompt" PASS @@ -331,7 +339,7 @@ remove_line() { fi # if the string is in the file... - if grep -q -F "$string" "$file" 2> /dev/null ; then + if grep -q -F "$string" "$file" 2>/dev/null ; then tempfile=$(mktemp "${file}.XXXXXXX") || \ failure "Unable to make temp file '${file}.XXXXXXX'" @@ -382,7 +390,7 @@ translate_ssh_variables() { path="$2" # get the user's home directory - userHome=$(getent passwd "$uname" | cut -d: -f6) + userHome=$(get_homedir "$uname") # translate '%u' to user name path=${path/\%u/"$uname"} @@ -437,7 +445,7 @@ check_key_file_permissions() { # return 2 if path has group or other writability if is_write "$gAccess" || is_write "$oAccess" ; then log error "improper group or other writability on path '$path':" - log error " group: $gAccess, other: $oAcess" + log error " group: $gAccess, other: $oAccess" return 2 fi @@ -450,6 +458,25 @@ check_key_file_permissions() { fi } +# return a list of all users on the system +list_users() { + if type getent &>/dev/null ; then + # for linux and FreeBSD systems + getent passwd | cut -d: -f1 + elif type dscl &>/dev/null ; then + # for Darwin systems + dscl localhost -list /Search/Users + else + failure "Neither getent or dscl is in the path! Could not determine list of users." + fi +} + +# return the path to the home directory of a user +get_homedir() { + local uname=${1:-`whoami`} + eval "echo ~${uname}" +} + ### CONVERSION UTILITIES # output the ssh key for a given key ID @@ -458,7 +485,7 @@ gpg2ssh() { keyID="$1" - gpg --export "$keyID" | openpgp2ssh "$keyID" 2> /dev/null + gpg --export "$keyID" | openpgp2ssh "$keyID" 2>/dev/null } # output known_hosts line from ssh key @@ -549,7 +576,7 @@ gpg_fetch_userid() { echo 1,2,3,4,5 | \ gpg --quiet --batch --with-colons \ --command-fd 0 --keyserver "$KEYSERVER" \ - --search ="$userID" > /dev/null 2>&1 + --search ="$userID" &>/dev/null returnCode="$?" return "$returnCode" @@ -809,7 +836,7 @@ process_host_known_hosts() { # hash from stdin to stdout tmpfile=$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXXXXXX) ssh2known_hosts "$host" "$sshKey" > "$tmpfile" - ssh-keygen -H -f "$tmpfile" 2> /dev/null + ssh-keygen -H -f "$tmpfile" 2>/dev/null cat "$tmpfile" >> "$KNOWN_HOSTS" rm -f "$tmpfile" "${tmpfile}.old" else @@ -1091,7 +1118,7 @@ process_authorized_user_ids() { # check permissions on the authorized_user_ids file path check_key_file_permissions $(whoami) "$authorizedUserIDs" || failure - if ! meat "$authorizedUserIDs" > /dev/null ; then + if ! meat "$authorizedUserIDs" >/dev/null ; then log debug " no user IDs to process." return fi diff --git a/src/share/keytrans b/src/share/keytrans index 8b2e2ea..f9288fa 100755 --- a/src/share/keytrans +++ b/src/share/keytrans @@ -1,4 +1,4 @@ -#!/usr/bin/perl -w -T +#!/usr/bin/perl -T # keytrans: this is an RSA key translation utility; it is capable of # transforming RSA keys (both public keys and secret keys) between @@ -195,11 +195,11 @@ my $keyserver_prefs = { nomodify => 0x80 ########### Math/Utility Functions ############## -# see the bottom of page 43 of RFC 4880 +# see the bottom of page 44 of RFC 4880 (http://tools.ietf.org/html/rfc4880#page-44) sub simple_checksum { my $bytes = shift; - return unpack("%32W*",$bytes) % 65536; + return unpack("%16C*",$bytes); } # calculate the multiplicative inverse of a mod b this is euclid's diff --git a/src/share/m/gen_subkey b/src/share/m/gen_subkey index a0fa3ce..05004f6 100644 --- a/src/share/m/gen_subkey +++ b/src/share/m/gen_subkey @@ -57,14 +57,16 @@ save" # setup the temp fifo dir for retrieving the key password log debug "creating password fifo..." fifoDir=$(msmktempdir) - trap "rm -rf $fifoDir" EXIT (umask 077 && mkfifo "$fifoDir/pass") - log verbose "generating subkey..." + # FIXME: are we adequately cleaning up any trailing gpg process here? + trap "rm -rf $fifoDir; kill %% || true" EXIT echo "$editCommands" | gpg_user --passphrase-fd 3 3< "$fifoDir/pass" --expert --command-fd 0 --edit-key "$keyID" & + log debug "Prompting for passphrase" # FIXME: this needs to fail more gracefully if the passphrase is incorrect passphrase_prompt "Please enter your passphrase for $keyID: " "$fifoDir/pass" + log info "Generating subkey. This may take a long time..." trap - EXIT rm -rf "$fifoDir" diff --git a/src/share/m/ssh_proxycommand b/src/share/m/ssh_proxycommand index 77f9d24..74b0f85 100644 --- a/src/share/m/ssh_proxycommand +++ b/src/share/m/ssh_proxycommand @@ -186,7 +186,7 @@ URI="ssh://${HOSTP}" # CHECK_KEYSERVER variable in the monkeysphere.conf file. # if the host is in the gpg keyring... -if gpg_user --list-key ="${URI}" 2>&1 >/dev/null ; then +if gpg_user --list-key ="${URI}" &>/dev/null ; then # do not check the keyserver CHECK_KEYSERVER=${CHECK_KEYSERVER:="false"} @@ -253,9 +253,9 @@ esac # exec a netcat passthrough to host for the ssh connection if [ -z "$NO_CONNECT" ] ; then - if (which nc 2>/dev/null >/dev/null); then + if (type nc &>/dev/null); then exec nc "$HOST" "$PORT" - elif (which socat 2>/dev/null >/dev/null); then + elif (type socat &>/dev/null); then exec socat STDIO "TCP:$HOST:$PORT" else echo "Neither netcat nor socat found -- could not complete monkeysphere-ssh-proxycommand connection to $HOST:$PORT" >&2 diff --git a/src/share/m/subkey_to_ssh_agent b/src/share/m/subkey_to_ssh_agent index aa647a6..edc177b 100644 --- a/src/share/m/subkey_to_ssh_agent +++ b/src/share/m/subkey_to_ssh_agent @@ -27,7 +27,7 @@ subkey_to_ssh_agent() { local kname # if there's no agent running, don't bother: - if [ -z "$SSH_AUTH_SOCK" ] || ! which ssh-add >/dev/null ; then + if [ -z "$SSH_AUTH_SOCK" ] || ! type ssh-add >/dev/null ; then failure "No ssh-agent available." fi diff --git a/src/share/ma/setup b/src/share/ma/setup index b453f3c..4c87009 100644 --- a/src/share/ma/setup +++ b/src/share/ma/setup @@ -57,9 +57,9 @@ EOF if [ -z "$CORE_FPR" ] ; then log info "setting up Monkeysphere authentication trust core..." - local CORE_UID=$(printf "Monkeysphere authentication trust core UID (random string: %s)" $(head -c21 </dev/urandom | perl -MMIME::Base64 -ne 'print encode_base64($_)')) + local CORE_UID=$(printf "Monkeysphere authentication trust core UID (random string: %s)" $(dd if=/dev/urandom bs=21 count=1 | perl -MMIME::Base64 -ne 'print encode_base64($_)')) - log debug "generating monkeysphere authentication trust core key ($CORE_KEYLENGTH bits)..." + printf "generating monkeysphere authentication trust core key:\nsize: %d bits\nuid: '%s'\n" "$CORE_KEYLENGTH" "$CORE_UID" | log debug PEM2OPENPGP_USAGE_FLAGS=certify \ PEM2OPENPGP_NEWKEY=$CORE_KEYLENGTH pem2openpgp "$CORE_UID" \ | gpg_core --import \ diff --git a/src/share/ma/update_users b/src/share/ma/update_users index 3a5c006..c5c74cf 100644 --- a/src/share/ma/update_users +++ b/src/share/ma/update_users @@ -24,7 +24,7 @@ if [ "$1" ] ; then unames="$@" else # or just look at all users if none specified - unames=$(getent passwd | cut -d: -f1) + unames=$(list_users) fi # set mode |