58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "cmidef.h"
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#include <netinet/in.h>
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#include "gtm_socket.h"
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#include "gtm_netdb.h"
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#include "gtm_inet.h"
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#include "gtm_string.h"
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#include <errno.h>
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#include "relqop.h"
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error_def(CMI_NETFAIL);
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cmi_status_t cmj_resolve_nod_tnd(cmi_descriptor *nod, cmi_descriptor *tnd, struct sockaddr_in *inp)
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{
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cmi_status_t status = SS_NORMAL;
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char hn[MAX_HOST_NAME_LEN];
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struct hostent *hp;
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int loop_limit = MAX_GETHOST_TRIES;
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/* tnd may contain host:port */
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status = cmj_getsockaddr(tnd, inp);
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if (CMI_ERROR(status))
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return status;
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if (inp->sin_addr.s_addr == INADDR_ANY)
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{
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/* use nod as a host name if tnd was just a port */
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assert(CMI_DESC_LENGTH(nod) < (SIZEOF(hn)-1));
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memcpy(hn, CMI_DESC_POINTER(nod), CMI_DESC_LENGTH(nod));
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hn[CMI_DESC_LENGTH(nod)] = '\0';
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/* test to see if nod is a dotted quad text string */
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inp->sin_addr.s_addr = INET_ADDR(hn);
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if (inp->sin_addr.s_addr == (in_addr_t)-1)
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{
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/* assume hn is a host and query netdb */
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for (; 0 < loop_limit && (NULL == (hp = GETHOSTBYNAME(hn))) && TRY_AGAIN == h_errno; loop_limit--)
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;
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endhostent();
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if (!hp)
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return CMI_NETFAIL;
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inp->sin_addr = *(struct in_addr *)hp->h_addr;
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}
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}
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return status;
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}
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