radicale: [NEW] Python-based CalDAV/CardDAV Server

Inspired by OpenWrt Ticket System Ticket 9119
Python3 package currently marked as @BROKEN because no time for testing.

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

net/radicale/patches/010-Run-as-user-group-radicale-radicale.patch

@@ -0,0 +1,30 @@
+Subject: [PATCH] Run as user radicale and group radicale
+
+Patch to run Radicale service as radicale:radicale non root user
+
+Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
+---
+ bin/radicale | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/bin/radicale b/bin/radicale
+index 619aca5..7466020 100755
+--- a/bin/radicale
++++ b/bin/radicale
+@@ -26,6 +26,13 @@ Launch the server according to configuration and command-line options.
+ 
+ """
+ 
++# inserted to run as user radicale
++import pwd, grp, os
++uid = pwd.getpwnam('radicale').pw_uid
++gid = grp.getgrnam('radicale').gr_gid
++os.setegid(gid)
++os.seteuid(uid)
++
+ import radicale.__main__
+ 
+ 
+-- 
+2.1.0
+