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3be119d5ba
Using RES_USE_INET6 is deprecated and has been removed by glibc 2.30[1]. Instead, there's now a function `gethostbyname2(3)` which takes the address family as second argument to force IPv6 resolution[2]. [1] https://sourceware.org/ml/libc-alpha/2019-08/msg00029.html [2] https://linux.die.net/man/3/gethostbyname2
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
diff --git a/libmilter/sm_gethost.c b/libmilter/sm_gethost.c
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index 2423c34..f00468c 100644
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--- a/libmilter/sm_gethost.c
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+++ b/libmilter/sm_gethost.c
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@@ -52,16 +52,8 @@ sm_getipnodebyname(name, family, flags, err)
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bool resv6 = true;
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struct hostent *h;
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- if (family == AF_INET6)
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- {
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- /* From RFC2133, section 6.1 */
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- resv6 = bitset(RES_USE_INET6, _res.options);
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- _res.options |= RES_USE_INET6;
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- }
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SM_SET_H_ERRNO(0);
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- h = gethostbyname(name);
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- if (family == AF_INET6 && !resv6)
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- _res.options &= ~RES_USE_INET6;
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+ h = gethostbyname2(name, family);
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/* the function is supposed to return only the requested family */
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if (h != NULL && h->h_addrtype != family)
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diff --git a/sendmail/conf.c b/sendmail/conf.c
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index c73334e..500dafb 100644
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--- a/sendmail/conf.c
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+++ b/sendmail/conf.c
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@@ -4243,16 +4243,8 @@ sm_getipnodebyname(name, family, flags, err)
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# else /* HAS_GETHOSTBYNAME2 */
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bool resv6 = true;
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- if (family == AF_INET6)
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- {
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- /* From RFC2133, section 6.1 */
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- resv6 = bitset(RES_USE_INET6, _res.options);
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- _res.options |= RES_USE_INET6;
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- }
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SM_SET_H_ERRNO(0);
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- h = gethostbyname(name);
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- if (!resv6)
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- _res.options &= ~RES_USE_INET6;
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+ h = gethostbyname2(name, family);
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/* the function is supposed to return only the requested family */
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if (h != NULL && h->h_addrtype != family)
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