Upstream-Status: Backport
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* Mon Feb 5 2001 Preston Brown <pbrown@redhat.com>
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- fix gethostbyname to work better with dot "." notation (#16949)
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--- tcp_wrappers_7.6/socket.c.fixgethostbyname Fri Mar 21 13:27:25 1997
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+++ tcp_wrappers_7.6/socket.c Mon Feb 5 14:09:40 2001
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@@ -52,7 +52,8 @@
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char *name;
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{
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char dot_name[MAXHOSTNAMELEN + 1];
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-
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+ struct hostent *hp;
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+
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/*
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* Don't append dots to unqualified names. Such names are likely to come
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* from local hosts files or from NIS.
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@@ -61,8 +62,12 @@
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if (strchr(name, '.') == 0 || strlen(name) >= MAXHOSTNAMELEN - 1) {
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return (gethostbyname(name));
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} else {
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- sprintf(dot_name, "%s.", name);
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- return (gethostbyname(dot_name));
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+ sprintf(dot_name, "%s.", name);
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+ hp = gethostbyname(dot_name);
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+ if (hp)
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+ return hp;
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+ else
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+ return (gethostbyname(name));
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}
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}
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