a6cc4bb03b
Fix a bug in rpcbind for multihomed hosts. If the server had interfaces on two separate subnets, and a client on the first subnet contacted rpcbind at the address on the second subnet, rpcbind would advertise addresses on the first subnet. This is a bug, because it should prefer to advertise the address where it was contacted. The requested service might be firewalled off from the address on the first subnet, for example. usr.sbin/rpcbind/check_bound.c If the address on which a request was received is known, pass that to addrmerge as the clnt_uaddr parameter. That is what addrmerge's comment indicates the parameter is supposed to mean. The previous behavior is that clnt_uaddr would contain the address from which the client sent the request. usr.sbin/rpcbind/util.c Modify addrmerge to prefer to use an IP that is equal to clnt_uaddr, if one is found. Refactor the relevant portion of the function for clarity, and to reduce the number of ifdefs. etc/mtree/BSD.tests.dist usr.sbin/rpcbind/tests/Makefile usr.sbin/rpcbind/tests/addrmerge_test.c Add unit tests for usr.sbin/rpcbind/util.c:addrmerge. usr.sbin/rpcbind/check_bound.c usr.sbin/rpcbind/rpcbind.h usr.sbin/rpcbind/util.c Constify some function arguments Reviewed by: imp MFC after: 4 weeks Sponsored by: Spectra Logic Corp Differential Revision: https://reviews.freebsd.org/D4690
26 lines
431 B
Makefile
26 lines
431 B
Makefile
# $NetBSD: Makefile,v 1.3 2000/06/20 13:56:43 fvdl Exp $
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# $FreeBSD$
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.include <src.opts.mk>
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PROG= rpcbind
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MAN= rpcbind.8
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SRCS= check_bound.c rpcb_stat.c rpcb_svc_4.c rpcbind.c pmap_svc.c \
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rpcb_svc.c rpcb_svc_com.c security.c warmstart.c util.c
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CFLAGS+= -DPORTMAP -DLIBWRAP
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.if ${MK_INET6_SUPPORT} != "no"
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CFLAGS+= -DINET6
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.endif
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.if ${MK_TESTS} != "no"
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SUBDIR+= tests
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.endif
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WARNS?= 1
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LIBADD= wrap
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.include <bsd.prog.mk>
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