dovecot-2.2: imap IDLE: Added back fc00::/7 (RFC 4193) to privat...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/7cbbac45ad49
changeset: 14958:7cbbac45ad49
user:      Pascal Volk <user at localhost.localdomain.org>
date:      Fri Aug 24 19:44:43 2012 +0000
description:
imap IDLE: Added back fc00::/7 (RFC 4193) to private networks.
This time the check is done correctly.

diffstat:

 src/imap/cmd-idle.c |  7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diffs (17 lines):

diff -r cdb2d4d89d5d -r 7cbbac45ad49 src/imap/cmd-idle.c
--- a/src/imap/cmd-idle.c	Fri Aug 24 09:41:55 2012 +0300
+++ b/src/imap/cmd-idle.c	Fri Aug 24 19:44:43 2012 +0000
@@ -178,6 +178,13 @@
 		if (addr >= 2130706432 && addr <= 2147483647)
 			return FALSE; /* 127/8 */
 	}
+#ifdef HAVE_IPV6
+	else if (ip->family == AF_INET6) {
+		addr = ip->u.ip6.s6_addr[0];
+		if (addr == 0xfc || addr == 0xfd)
+			return FALSE; /* fc00::/7 */
+	}
+#endif
 	return TRUE;
 }