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| /freebsd-11-stable/usr.sbin/mountd/ | ||
| H A D | mountd.c | diff 75801 Sat Apr 21 18:06:18 MDT 2001 iedowse The introduction of IPv6 support from NetBSD's mountd invalidated a number of assumptions related to the parsing of options in /etc/exports, and missed a few necessary new error checks. The main problems related to netmasks: an IPv6 network address missing a netmask would result in the filesystem being exported to the whole IPv6 world, non-continuous netmasks would be made continuous without any warnings, and nothing prevented you specifying an IPv4 mask with an IPv6 address. This change addresses these issues. As a side-effect we now store netmasks in sockaddr structs (this matches the kernel interface, and is closer to the way it used to be). Add a flag OP_HAVEMASK to keep track of whether or not we have successfully got a mask from any source. Replace some mask-related helper functions with versions that use the sockaddr-based masks. Also tidy up get_net() and fix the code that interprets IPv4 partial networks such as "127.1" as network rather than host addresses. Properly zero out some structures that were ending up partially containing junk from the stack, fix a few formatting issues, and add a comment noting some assumptions about export arguments. |
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