X-Git-Url: https://ruderich.org/simon/gitweb/?p=tlsproxy%2Ftlsproxy.git;a=blobdiff_plain;f=src%2Ftlsproxy-setup;h=ba71e56c127381df0dc8351cd2316f15ee09b702;hp=48a034f63afd3e0b2c3a6c84ecdeac62f5c8cc28;hb=7eba49d24d56288d83746f3f0ce383d7c0c36552;hpb=948878cf1d882adef61f9bd7c26473089f3032ad

diff --git a/src/tlsproxy-setup b/src/tlsproxy-setup
index 48a034f..ba71e56 100755
--- a/src/tlsproxy-setup
+++ b/src/tlsproxy-setup
@@ -4,7 +4,7 @@
 #
 # Requires certtool (from GnuTLS).
 #
-# Copyright (C) 2011-2012  Simon Ruderich
+# Copyright (C) 2011-2014  Simon Ruderich
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -20,39 +20,66 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-tempfile=`mktemp` || exit 1
+set -e
 
-die() {
-    rm -f $tempfile
+
+if test "$#" -ge 1 && test x"$*" != 'x--force'; then
+    echo "Usage: $0 [--force]" >&2
     exit 1
-}
+fi
+
+# Prevent accidental overwrites.
+if test x"$1" != 'x--force'; then
+    for x in proxy-ca-key.pem proxy-ca.pem \
+             proxy-key.pem proxy-invalid.pem proxy-dh.pem; do
+        if test -f "$x"; then
+            echo "File '$x' already exists. Use --force to overwrite." >&2
+            exit 2
+        fi
+    done
+fi
+
+
+tempfile=`mktemp`
+trap 'rm -f "$tempfile"' EXIT
 
 # Generate proxy CA key file.
-certtool --generate-privkey > proxy-ca-key.pem || die
+certtool --generate-privkey \
+         --sec-param high \
+         --outfile proxy-ca-key.pem
 # Generate proxy CA.
-echo 'cn = tlsproxy CA' > $tempfile
-echo ca                >> $tempfile
-echo cert_signing_key  >> $tempfile
+echo 'cn = tlsproxy CA' > "$tempfile"
+echo ca                >> "$tempfile"
+echo cert_signing_key  >> "$tempfile"
+echo 'expiration_days = 3650' >> "$tempfile"
 certtool --generate-self-signed \
          --load-privkey proxy-ca-key.pem \
-         --template $tempfile \
-         --outfile proxy-ca.pem || die
+         --template "$tempfile" \
+         --outfile proxy-ca.pem
 
 # Generate proxy key file.
-certtool --generate-privkey > proxy-key.pem || die
+certtool --generate-privkey \
+         --sec-param high \
+         --outfile proxy-key.pem
 
 # Generate proxy "invalid" server certificate. It's used for problematic
 # connections.
-echo 'organization = tlsproxy' > $tempfile
-echo 'cn = invalid'           >> $tempfile
-echo tls_www_server           >> $tempfile
-echo encryption_key           >> $tempfile
-echo signing_key              >> $tempfile
+echo 'organization = tlsproxy' > "$tempfile"
+echo 'cn = invalid'           >> "$tempfile"
+echo tls_www_server           >> "$tempfile"
+echo encryption_key           >> "$tempfile"
+echo signing_key              >> "$tempfile"
+echo 'expiration_days = 3650' >> "$tempfile"
 certtool --generate-self-signed \
          --load-privkey proxy-key.pem \
-         --template $tempfile \
-         --outfile proxy-invalid.pem || die
+         --template "$tempfile" \
+         --outfile proxy-invalid.pem
+
+rm "$tempfile"
 
-rm $tempfile
+# Generate proxy Diffie-Hellman parameters.
+certtool --generate-dh-params \
+         --sec-param high \
+         --outfile proxy-dh.pem
 
 echo done