dump gpg --import error spew to /dev/null during hackish uses of gpg

[monkeysphere.git] / src / share / common

diff --git a/src/share/common b/src/share/common
index 28da3c09925fc7ccb7487a05c7c5c0e8280fa456..e735319800f36930fa26c0d488d59534254f4811 100644 (file)
--- a/src/share/common
+++ b/src/share/common
@@ -281,7 +281,7 @@ get_gpg_expiration() {
 
     keyExpire="$1"
 
-    if [ -z "$keyExpire" -a "$PROMPT" = 'true' ]; then
+    if [ -z "$keyExpire" -a "$PROMPT" != 'false' ]; then
        cat >&2 <<EOF
 Please specify how long the key should be valid.
          0 = key does not expire
@@ -436,6 +436,28 @@ list_users() {
     fi
 }
 
+# take one argument, a service name.  in response, print a series of
+# lines, each with a unique numeric port number that might be
+# associated with that service name.  (e.g. in: "https", out: "443")
+# if nothing is found, print nothing, and return 0.
+# 
+# return 1 if there was an error in the search somehow
+get_port_for_service() {
+
+    [[ "$1" =~ ^[a-z0-9]([a-z0-9-]*[a-z0-9])?$ ]] || \
+        failure $(printf "This is not a valid service name: '%s'" "$1")
+    if type getent &>/dev/null ; then
+        # for linux and FreeBSD systems (getent returns 2 if not found, 0 on success, 1 or 3 on various failures)
+        (getent services "$service" || if [ "$?" -eq 2 ] ; then true ; else false; fi) | awk '{ print $2 }' | cut -f1 -d/ | sort -u
+    elif [ -r /etc/services ] ; then
+        # fall back to /etc/services for systems that don't have getent (MacOS?)
+        # FIXME: doesn't handle aliases like "null" (or "http"?), which don't show up at the beginning of the line.
+        awk $(printf '/^%s[[:space:]]/{ print $2 }' "$1") /etc/services | cut -f1 -d/ | sort -u
+    else
+        return 1
+    fi
+}
+
 # return the path to the home directory of a user
 get_homedir() {
     local uname=${1:-`whoami`}
@@ -530,6 +552,15 @@ gpg2authorized_keys() {
 
 ### GPG UTILITIES
 
+# script to determine if gpg version is equal to or greater than specified version
+is_gpg_version_greater_equal() {
+    local gpgVersion=$(gpg --version | head -1 | awk '{ print $3 }')
+    local latest=$(printf '%s\n%s\n' "$1" "$gpgVersion" \
+       | tr '.' ' ' | sort -g -k1 -k2 -k3 \
+       | tail -1 | tr ' ' '.')
+    [[ "$gpgVersion" == "$latest" ]]
+}
+
 # retrieve all keys with given user id from keyserver
 # FIXME: need to figure out how to retrieve all matching keys
 # (not just first N (5 in this case))
@@ -753,7 +784,7 @@ process_user_id() {
 }
 
 # output all valid keys for specified user ID literal
-keys_from_userid() {
+keys_for_userid() {
     local userID
     local noKey=
     local nKeys
@@ -1168,9 +1199,23 @@ process_authorized_user_ids() {
 # fingerprints, one per line:
 list_primary_fingerprints() {
     local fake=$(msmktempdir)
-    GNUPGHOME="$fake" gpg --no-tty --quiet --import
+    trap "rm -rf $fake" EXIT
+    GNUPGHOME="$fake" gpg --no-tty --quiet --import --ignore-time-conflict 2>/dev/null
     GNUPGHOME="$fake" gpg --with-colons --fingerprint --list-keys | \
        awk -F: '/^fpr:/{ print $10 }'
+    trap - EXIT
+    rm -rf "$fake"
+}
+
+# takes an OpenPGP key or set of keys on stdin, a fingerprint or other
+# key identifier as $1, and outputs the gpg-formatted information for
+# the requested keys from the material on stdin
+get_cert_info() {
+    local fake=$(msmktempdir)
+    trap "rm -rf $fake" EXIT
+    GNUPGHOME="$fake" gpg --no-tty --quiet --import --ignore-time-conflict 2>/dev/null
+    GNUPGHOME="$fake" gpg --with-colons --fingerprint --fixed-list-mode --list-keys "$1"
+    trap - EXIT
     rm -rf "$fake"
 }