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1351. [bug] lwres_getipnodebyname() returned the wrong name

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when given a IPv4 literal, af=AF_INET6 and AI_MAPPED
                        was set.
This commit is contained in:
Mark Andrews
2002-08-02 12:16:57 +00:00
parent 5da7016a6c
commit bb6936058e
2 changed files with 14 additions and 2 deletions
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4
CHANGES
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@@ -1,3 +1,7 @@
1351. [bug] lwres_getipnodebyname() returned the wrong name
when given a IPv4 literal, af=AF_INET6 and AI_MAPPED
was set.
1350. [bug] dns_name_fromtext() failed to handle too many labels
gracefully.

12
lib/lwres/getipnode.c
View File

@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: getipnode.c,v 1.33 2002/05/27 06:54:46 marka Exp $ */
/* $Id: getipnode.c,v 1.34 2002/08/02 12:16:57 marka Exp $ */
#include <config.h>
@@ -138,13 +138,21 @@ lwres_getipnodebyname(const char *name, int af, int flags, int *error_num) {
if (v4 == 1 || v6 == 1) {
char *addr_list[2];
char *aliases[1];
char mappedname[sizeof("::ffff:123.123.123.123")];
union {
const char *const_name;
char *deconst_name;
} u;
u.const_name = name;
he.h_name = u.deconst_name;
if (v4 == 1 && af == AF_INET6) {
strcpy(mappedname, "::ffff:");
inet_ntop(AF_INET, (char *)&in4,
mappedname + sizeof("::ffff:") - 1,
sizeof(mappedname) - sizeof("::ffff:") + 1);
he.h_name = mappedname;
} else
he.h_name = u.deconst_name;
he.h_addr_list = addr_list;
he.h_addr_list[0] = (v4 == 1) ? (char *)&in4 : (char *)&in6;
he.h_addr_list[1] = NULL;