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5cae7371a7
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32463 3c298f89-4303-0410-b956-a3cf2f4a3e73
23 lines
735 B
Diff
23 lines
735 B
Diff
pppd: Retain foreign default routes on Linux
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On Linux, when pppd attempts to delete its default route it does not fill
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the rt_dev field of the struct rtentry used to match the system default route.
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As a consequence, pppd happily deletes any default route even if it belongs
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to another interface.
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This patch makes pppd fill out the rt_dev field so that only own default
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routes are ever matched.
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Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
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--- a/pppd/sys-linux.c
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+++ b/pppd/sys-linux.c
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@@ -1743,6 +1743,7 @@ int cifdefaultroute (int unit, u_int32_t
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SIN_ADDR(rt.rt_genmask) = 0L;
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}
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+ rt.rt_dev = ifname;
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rt.rt_flags = RTF_UP;
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if (ioctl(sock_fd, SIOCDELRT, &rt) < 0 && errno != ESRCH) {
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if (still_ppp()) {
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