21 lines
597 B
C
21 lines
597 B
C
--- ntpd/ntp_io.c.orig 2010-06-03 20:24:51.000000000 -0700
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+++ ntpd/ntp_io.c 2010-06-03 20:27:36.000000000 -0700
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@@ -1414,12 +1414,18 @@
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sockaddr_u *psau
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)
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{
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+ unsigned char zerobuf[8];
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+
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if (IS_IPV4(psau) && !NSRCADR(psau))
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return 1;
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#ifdef INCLUDE_IPV6_SUPPORT
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if (IS_IPV6(psau) && S_ADDR6_EQ(psau, &in6addr_any))
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return 1;
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+ bzero(zerobuf, sizeof(zerobuf));
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+ // If the host portion is all 0, then assume it's a router's anycast address.
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+ if (IS_IPV6(psau) && memcmp((char*)(&((struct sockaddr_in6*)psau)->sin6_addr) + 8, zerobuf, 8) == 0)
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+ return 1;
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#endif
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return 0;
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