replacing head -c with dd (for portability reasons, see #673)

diff --git a/src/share/ma/setup b/src/share/ma/setup
index b453f3cfd34c7ebbdfc5426ff9c573ba78a62425..4c87009dc9235b7de4231d582da221f1472663ee 100644 (file)
--- 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 \