diff options
| -rw-r--r-- | package/network/ipv6/map/Makefile | 2 | ||||
| -rw-r--r-- | package/network/ipv6/map/src/mapcalc.c | 26 |
2 files changed, 17 insertions, 11 deletions
diff --git a/package/network/ipv6/map/Makefile b/package/network/ipv6/map/Makefile index ce04235f28..77967042b3 100644 --- a/package/network/ipv6/map/Makefile +++ b/package/network/ipv6/map/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=map PKG_VERSION:=4 -PKG_RELEASE:=9 +PKG_RELEASE:=10 PKG_LICENSE:=GPL-2.0 include $(INCLUDE_DIR)/package.mk diff --git a/package/network/ipv6/map/src/mapcalc.c b/package/network/ipv6/map/src/mapcalc.c index 6233bce731..66610c4279 100644 --- a/package/network/ipv6/map/src/mapcalc.c +++ b/package/network/ipv6/map/src/mapcalc.c @@ -4,6 +4,7 @@ * Author: Steven Barth <cyrus@openwrt.org> * Copyright (c) 2014-2015 cisco Systems, Inc. * Copyright (c) 2015 Steven Barth <cyrus@openwrt.org> + * Copyright (c) 2018 Hans Dedecker <dedeckeh@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 @@ -311,25 +312,30 @@ int main(int argc, char *argv[]) if (psidlen <= 0) { psidlen = ealen - (32 - prefix4len); + if (psidlen < 0) + psidlen = 0; + psid = -1; } - if (psid < 0 && psidlen <= 16 && psidlen >= 0 && pdlen >= 0 && ealen >= psidlen) { + if (prefix4len < 0 || prefix6len < 0 || ealen < 0 || psidlen > 16 || ealen < psidlen) { + fprintf(stderr, "Skipping invalid or incomplete rule: %s\n", argv[i]); + status = 1; + continue; + } + + if (psid < 0 && psidlen >= 0 && pdlen >= 0) { bmemcpys64(&psid16, &pd, prefix6len + ealen - psidlen, psidlen); psid = be16_to_cpu(psid16); } - psid = psid >> (16 - psidlen); - psid16 = cpu_to_be16(psid); - psid = psid << (16 - psidlen); - - if (prefix4len < 0 || prefix6len < 0 || ealen < 0 || ealen < psidlen) { - fprintf(stderr, "Skipping invalid or incomplete rule: %s\n", argv[i]); - status = 1; - continue; + if (psidlen > 0) { + psid = psid >> (16 - psidlen); + psid16 = cpu_to_be16(psid); + psid = psid << (16 - psidlen); } - if ((pdlen >= 0 || ealen == psidlen) && ealen >= psidlen) { + if (pdlen >= 0 || ealen == psidlen) { bmemcpys64(&ipv4addr, &pd, prefix6len, ealen - psidlen); ipv4addr.s_addr = htonl(ntohl(ipv4addr.s_addr) >> prefix4len); bmemcpy(&ipv4addr, &ipv4prefix, prefix4len); |