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Commit24379a4

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Don't connect() to a wildcard address in test_postmaster_connection().
At least OpenBSD, NetBSD, and Windows don't support it. This repairspg_ctl for listen_addresses='0.0.0.0' and listen_addresses='::'. Sincepg_ctl prefers to test a Unix-domain socket, Windows users are mostlikely to need this change. Back-patch to 9.1 (all supported versions).This could change pg_ctl interaction with loopback-interface firewallrules. Therefore, in 9.4 and earlier (released branches), activate thechange only on known-affected platforms.Reported (bug #13611) and designed by Kondo Yuta.
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‎src/bin/pg_ctl/pg_ctl.c

Lines changed: 14 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -647,9 +647,22 @@ test_postmaster_connection(pgpid_t pm_pid, bool do_checkpoint)
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returnPQPING_NO_ATTEMPT;
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}
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/* If postmaster is listening on "*", use localhost */
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/*
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* Map listen-only addresses to counterparts usable
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* for establishing a connection. connect() to "::"
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* or "0.0.0.0" is not portable to OpenBSD 5.0 or to
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* Windows Server 2008, and connect() to "::" is
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* additionally not portable to NetBSD 6.0. (Cygwin
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* does handle both addresses, though.)
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*/
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if (strcmp(host_str,"*")==0)
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strcpy(host_str,"localhost");
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#if defined(__NetBSD__)|| defined(__OpenBSD__)|| defined(WIN32)
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elseif (strcmp(host_str, "0.0.0.0")==0)
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strcpy(host_str, "127.0.0.1");
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elseif (strcmp(host_str, "::")==0)
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strcpy(host_str, "::1");
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#endif
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/*
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* We need to set connect_timeout otherwise on Windows

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