diff options
Diffstat (limited to 'package/network/services/ppp/patches/330-retain_foreign_default_routes.patch')
| -rw-r--r-- | package/network/services/ppp/patches/330-retain_foreign_default_routes.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/package/network/services/ppp/patches/330-retain_foreign_default_routes.patch b/package/network/services/ppp/patches/330-retain_foreign_default_routes.patch new file mode 100644 index 0000000..f68b466 --- /dev/null +++ b/package/network/services/ppp/patches/330-retain_foreign_default_routes.patch @@ -0,0 +1,22 @@ +pppd: Retain foreign default routes on Linux + +On Linux, when pppd attempts to delete its default route it does not fill +the rt_dev field of the struct rtentry used to match the system default route. +As a consequence, pppd happily deletes any default route even if it belongs +to another interface. + +This patch makes pppd fill out the rt_dev field so that only own default +routes are ever matched. + +Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> + +--- a/pppd/sys-linux.c ++++ b/pppd/sys-linux.c +@@ -1756,6 +1756,7 @@ int cifdefaultroute (int unit, u_int32_t + SIN_ADDR(rt.rt_genmask) = 0L; + } + ++ rt.rt_dev = ifname; + rt.rt_flags = RTF_UP; + if (ioctl(sock_fd, SIOCDELRT, &rt) < 0 && errno != ESRCH) { + if (still_ppp()) { |