X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=src%2Fshare%2Fcommon;h=c8d44f656c58136be011a0bd80c5af077adeaedb;hb=0fded72147e60d7193c393e6de68493258501e7a;hp=5e0cb6a4a00ec1d5d79eb594f43f673f4239aabf;hpb=c32c51f0326fa1d27ad8aba929edcf79ffa3adda;p=monkeysphere.git

diff --git a/src/share/common b/src/share/common
index 5e0cb6a..c8d44f6 100644
--- a/src/share/common
+++ b/src/share/common
@@ -13,34 +13,14 @@
 # all-caps variables are meant to be user supplied (ie. from config
 # file) and are considered global
 
-########################################################################
-### COMMON VARIABLES
-
-# managed directories
-SYSCONFIGDIR=${MONKEYSPHERE_SYSCONFIGDIR:-"/etc/monkeysphere"}
-export SYSCONFIGDIR
-
-# monkeysphere version
-VERSION=0.23~pre
-
-# default log level
-LOG_LEVEL="INFO"
-
-# default keyserver
-KEYSERVER="pool.sks-keyservers.net"
-
-# whether or not to check keyservers by defaul
-CHECK_KEYSERVER="true"
-
-# default monkeysphere user
-MONKEYSPHERE_USER="monkeysphere"
-
-# default about whether or not to prompt
-PROMPT="true"
-
 ########################################################################
 ### UTILITY FUNCTIONS
 
+# output version info
+version() {
+    cat "${SYSSHAREDIR}/VERSION"
+}
+
 # failure function.  exits with code 255, unless specified otherwise.
 failure() {
     [ "$1" ] && echo "$1" >&2
@@ -96,11 +76,10 @@ log() {
 	fi
 	if [ "$priority" = "$level" -a "$output" = 'true' ] ; then
 	    if [ "$1" ] ; then
-		echo -n "ms: " >&2
-		echo "$@" >&2
+		echo "$@"
 	    else
-		cat >&2
-	    fi
+		cat
+	    fi | sed 's/^/'"${LOG_PREFIX}"'/' >&2
 	fi
     done
 }
@@ -325,6 +304,8 @@ passphrase_prompt() {
     local PASS
 
     if [ "$DISPLAY" ] && which "${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
@@ -334,52 +315,6 @@ passphrase_prompt() {
     fi
 }
 
-test_gnu_dummy_s2k_extension() {
-
-# this block contains a demonstration private key that has had the
-# primary key stripped out using the GNU S2K extension known as
-# "gnu-dummy" (see /usr/share/doc/gnupg/DETAILS.gz).  The subkey is
-# present in cleartext, however.
-
-# openpgp2ssh will be able to deal with this based on whether the
-# local copy of GnuTLS contains read_s2k support that can handle it.
-
-# read up on that here:
-
-# http://lists.gnu.org/archive/html/gnutls-devel/2008-08/msg00005.html
-
-echo "
------BEGIN PGP PRIVATE KEY BLOCK-----
-Version: GnuPG v1.4.9 (GNU/Linux)
-
-lQCVBEO3YdABBACRqqEnucag4+vyZny2M67Pai5+5suIRRvY+Ly8Ms5MvgCi3EVV
-xT05O/+0ShiRaf+QicCOFrhbU9PZzzU+seEvkeW2UCu4dQfILkmj+HBEIltGnHr3
-G0yegHj5pnqrcezERURf2e17gGFWX91cXB9Cm721FPXczuKraphKwCA9PwARAQAB
-/gNlAkdOVQG0OURlbW9uc3RyYXRpb24gS2V5IGZvciBTMksgR05VIGV4dGVuc2lv
-biAxMDAxIC0tIGdudS1kdW1teYi8BBMBAgAmBQJDt2HQAhsDBQkB4TOABgsJCAcD
-AgQVAggDBBYCAwECHgECF4AACgkQQZUwSa4UDezTOQP/TMQXUVrWzHYZGopoPZ2+
-ZS3qddiznBHsgb7MGYg1KlTiVJSroDUBCHIUJvdQKZV9zrzrFl47D07x6hGyUPHV
-aZXvuITW8t1o5MMHkCy3pmJ2KgfDvdUxrBvLfgPMICA4c6zA0mWquee43syEW9NY
-g3q61iPlQwD1J1kX1wlimLCdAdgEQ7dh0AEEANAwa63zlQbuy1Meliy8otwiOa+a
-mH6pxxUgUNggjyjO5qx+rl25mMjvGIRX4/L1QwIBXJBVi3SgvJW1COZxZqBYqj9U
-8HVT07mWKFEDf0rZLeUE2jTm16cF9fcW4DQhW+sfYm+hi2sY3HeMuwlUBK9KHfW2
-+bGeDzVZ4pqfUEudABEBAAEAA/0bemib+wxub9IyVFUp7nPobjQC83qxLSNzrGI/
-RHzgu/5CQi4tfLOnwbcQsLELfker2hYnjsLrT9PURqK4F7udrWEoZ1I1LymOtLG/
-4tNZ7Mnul3wRC2tCn7FKx8sGJwGh/3li8vZ6ALVJAyOia5TZ/buX0+QZzt6+hPKk
-7MU1WQIA4bUBjtrsqDwro94DvPj3/jBnMZbXr6WZIItLNeVDUcM8oHL807Am97K1
-ueO/f6v1sGAHG6lVPTmtekqPSTWBfwIA7CGFvEyvSALfB8NUa6jtk27NCiw0csql
-kuhCmwXGMVOiryKEfegkIahf2bAd/gnWHPrpWp7bUE20v8YoW22I4wIAhnm5Wr5Q
-Sy7EHDUxmJm5TzadFp9gq08qNzHBpXSYXXJ3JuWcL1/awUqp3tE1I6zZ0hZ38Ia6
-SdBMN88idnhDPqPoiKUEGAECAA8FAkO3YdACGyAFCQHhM4AACgkQQZUwSa4UDezm
-vQP/ZhK+2ly9oI2z7ZcNC/BJRch0/ybQ3haahII8pXXmOThpZohr/LUgoWgCZdXg
-vP6yiszNk2tIs8KphCAw7Lw/qzDC2hEORjWO4f46qk73RAgSqG/GyzI4ltWiDhqn
-vnQCFl3+QFSe4zinqykHnLwGPMXv428d/ZjkIc2ju8dRsn4=
-=CR5w
------END PGP PRIVATE KEY BLOCK-----
-" | openpgp2ssh 4129E89D17C1D591 >/dev/null 2>/dev/null
-
-}
-
 # remove all lines with specified string from specified file
 remove_line() {
     local file
@@ -420,12 +355,15 @@ remove_monkeysphere_lines() {
 
     file="$1"
 
-    if [ -z "$file" ] ; then
+    # return error if file does not exist
+    if [ ! -e "$file" ] ; then
 	return 1
     fi
 
-    if [ ! -e "$file" ] ; then
-	return 1
+    # just return ok if the file is empty, since there aren't any
+    # lines to remove
+    if [ ! -s "$file" ] ; then
+	return 0
     fi
 
     tempfile=$(mktemp "${file}.XXXXXXX") || \
@@ -493,18 +431,21 @@ check_key_file_permissions() {
 
     # return 1 if path has invalid owner
     if [ "$owner" != "$uname" -a "$owner" != 'root' ] ; then
-	log error "improper ownership on path '$path'."
+	log error "improper ownership on path '$path':"
+	log error " $owner != ($uname|root)"
 	return 1
     fi
 
     # 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 '$path'."
+	log error "improper group or other writability on path '$path':"
+	log error " group: $gAccess, other: $oAcess"
 	return 2
     fi
 
     # return zero if all clear, or go to next path
     if [ "$path" = '/' ] ; then
+	log debug "path ok."
 	return 0
     else
 	check_key_file_permissions "$uname" $(dirname "$path")
@@ -525,14 +466,23 @@ gpg2ssh() {
 # output known_hosts line from ssh key
 ssh2known_hosts() {
     local host
+    local port
     local key
 
-    host="$1"
+    # FIXME this does not properly deal with IPv6 hosts using the
+    # standard port (because it's unclear whether their final
+    # colon-delimited address section is a port number or an address
+    # string)
+    host=${1%:*}
+    port=${1##*:}
     key="$2"
 
-    echo -n "$host "
-    echo -n "$key" | tr -d '\n'
-    echo " MonkeySphere${DATE}"
+    # specify the host and port properly for new ssh known_hosts
+    # format
+    if [ "$port" != "$host" ] ; then
+	host="[${host}]:${port}"
+    fi
+    printf "%s %s MonkeySphere%s\n" "$host" "$key" "$DATE"
 }
 
 # output authorized_keys line from ssh key
@@ -543,41 +493,43 @@ ssh2authorized_keys() {
     userID="$1"
     key="$2"
 
-    echo -n "$key" | tr -d '\n'
-    echo " MonkeySphere${DATE} ${userID}"
+    printf "%s MonkeySphere%s %s\n" "$key" "$DATE" "$userID"
 }
 
 # convert key from gpg to ssh known_hosts format
 gpg2known_hosts() {
     local host
     local keyID
+    local key
 
     host="$1"
     keyID="$2"
 
+    key=$(gpg2ssh "$keyID")
+
     # NOTE: it seems that ssh-keygen -R removes all comment fields from
     # all lines in the known_hosts file.  why?
     # NOTE: just in case, the COMMENT can be matched with the
     # following regexp:
     # '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$'
-    echo -n "$host "
-    gpg2ssh "$keyID" | tr -d '\n'
-    echo " MonkeySphere${DATE}"
+    printf "%s %s MonkeySphere%s\n" "$host" "$key" "$DATE"
 }
 
 # convert key from gpg to ssh authorized_keys format
 gpg2authorized_keys() {
     local userID
     local keyID
+    local key
 
     userID="$1"
     keyID="$2"
 
+    key=$(gpg2ssh "$keyID")
+
     # NOTE: just in case, the COMMENT can be matched with the
     # following regexp:
     # '^MonkeySphere[[:digit:]]{4}(-[[:digit:]]{2}){2}T[[:digit:]]{2}(:[[:digit:]]{2}){2}$'
-    gpg2ssh "$keyID" | tr -d '\n'
-    echo " MonkeySphere${DATE} ${userID}"
+    printf "%s MonkeySphere%s %s\n" "$key" "$DATE" "$userID"
 }
 
 ### GPG UTILITIES
@@ -732,14 +684,14 @@ process_user_id() {
 		if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
 		    log verbose "  * acceptable primary key."
 		    if [ -z "$sshKey" ] ; then
-			log error "    ! primary key could not be translated (not RSA or DSA?)."
+			log error "    ! primary key could not be translated (not RSA?)."
 		    else
 			echo "0:${sshKey}"
 		    fi
 		else
 		    log debug "  - unacceptable primary key."
 		    if [ -z "$sshKey" ] ; then
-			log debug "    ! primary key could not be translated (not RSA or DSA?)."
+			log debug "    ! primary key could not be translated (not RSA?)."
 		    else
 			echo "1:${sshKey}"
 		    fi
@@ -790,14 +742,14 @@ process_user_id() {
 		if [ "$keyOK" -a "$uidOK" -a "$lastKeyOK" ] ; then
 		    log verbose "  * acceptable sub key."
 		    if [ -z "$sshKey" ] ; then
-			log error "    ! sub key could not be translated (not RSA or DSA?)."
+			log error "    ! sub key could not be translated (not RSA?)."
 		    else
 			echo "0:${sshKey}"
 		    fi
 		else
 		    log debug "  - unacceptable sub key."
 		    if [ -z "$sshKey" ] ; then
-			log debug "    ! sub key could not be translated (not RSA or DSA?)."
+			log debug "    ! sub key could not be translated (not RSA?)."
 		    else
 			echo "1:${sshKey}"
 		    fi
@@ -909,7 +861,7 @@ update_known_hosts() {
     (umask 0022 && touch "$KNOWN_HOSTS")
 
     # check permissions on the known_hosts file path
-    check_key_file_permissions "$USER" "$KNOWN_HOSTS" || failure
+    check_key_file_permissions $(whoami) "$KNOWN_HOSTS" || failure
 
     # create a lockfile on known_hosts:
     lock create "$KNOWN_HOSTS"
@@ -970,7 +922,8 @@ process_known_hosts() {
 	failure "known_hosts file '$KNOWN_HOSTS' does not exist."
     fi
 
-    log debug "processing known_hosts file..."
+    log debug "processing known_hosts file:"
+    log debug " $KNOWN_HOSTS"
 
     hosts=$(meat "$KNOWN_HOSTS" | cut -d ' ' -f 1 | grep -v '^|.*$' | tr , ' ' | tr '\n' ' ')
 
@@ -1058,8 +1011,11 @@ update_authorized_keys() {
     nIDsOK=0
     nIDsBAD=0
 
+    log debug "updating authorized_keys file:"
+    log debug " $AUTHORIZED_KEYS"
+
     # check permissions on the authorized_keys file path
-    check_key_file_permissions "$USER" "$AUTHORIZED_KEYS" || failure
+    check_key_file_permissions $(whoami) "$AUTHORIZED_KEYS" || failure
 
     # create a lockfile on authorized_keys
     lock create "$AUTHORIZED_KEYS"
@@ -1131,10 +1087,11 @@ process_authorized_user_ids() {
 	failure "authorized_user_ids file '$authorizedUserIDs' does not exist."
     fi
 
-    # check permissions on the authorized_user_ids file path
-    check_key_file_permissions "$USER" "$authorizedUserIDs" || failure
+    log debug "processing authorized_user_ids file:"
+    log debug " $authorizedUserIDs"
 
-    log debug "processing authorized_user_ids file..."
+    # check permissions on the authorized_user_ids file path
+    check_key_file_permissions $(whoami) "$authorizedUserIDs" || failure
 
     if ! meat "$authorizedUserIDs" > /dev/null ; then
 	log debug " no user IDs to process."