Blame ai_addrconfig.patch
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ISC libbind provides AI_ADDRCONFIG macro, but getaddrinfo() fails with
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EAI_BADFLAGS when invoked with it. This patch retries getaddrinfo()
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without AI_ADDRCONFIG flag in this case.
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It is very simple and a ./configure test for working AI_ADDRCONFIG
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might be better.
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Index: milter-greylist-4.2.5/spamd.c
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===================================================================
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--- milter-greylist-4.2.5.orig/spamd.c
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+++ milter-greylist-4.2.5/spamd.c
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@@ -454,11 +454,21 @@ spamd_inet_socket(host, port)
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bzero(&hints, sizeof(hints));
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hints.ai_socktype = SOCK_STREAM;
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+
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#ifdef AI_ADDRCONFIG
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hints.ai_flags = AI_ADDRCONFIG;
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+
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+again:
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+ e = getaddrinfo(host, port, &hints, &ai;;
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+ if (e == EAI_BADFLAGS && (hints.ai_flags & AI_ADDRCONFIG)) {
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+ hints.ai_flags &= ~AI_ADDRCONFIG;
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+ goto again;
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+ }
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+#else
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+ e = getaddrinfo(host, port, &hints, &ai;;
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#endif
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- if ((e = getaddrinfo(host, port, &hints, &ai))) {
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+ if (e) {
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mg_log(LOG_ERR,
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"spamd getaddrinfo failed: %s",
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gai_strerror(e));
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