65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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/****************************************************************
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* *
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* Copyright 2001 Sanchez Computer Associates, 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 "gtm_netdb.h"
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#include "gtm_stdlib.h"
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#include "gtm_string.h"
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#include <netinet/in.h>
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#include "gtm_inet.h"
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error_def(CMI_BADPORT);
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error_def(CMI_NOTND);
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error_def(CMI_NETFAIL);
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error_def(CMI_NOTTND);
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/* writes into outport the TCP port cooresponding to tnd in NBO */
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cmi_status_t cmj_get_port(cmi_descriptor *tnd, unsigned short *outport)
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{
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cmi_status_t status = SS_NORMAL;
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char *envvar;
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char *tndstring;
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char *ep;
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char num[MAX_HOST_NAME_LEN];
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struct servent *s;
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unsigned short myport;
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/*
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* port number determination:
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*
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* 1. Use string in tnd as an integer.
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* 2. if the string is not an integer, use the
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* services database to get the port number
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*
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*/
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if (tnd)
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{
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/* try to interpret tnd as an integer */
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memcpy(num, CMI_DESC_POINTER(tnd), CMI_DESC_LENGTH(tnd));
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num[CMI_DESC_LENGTH(tnd)] = '\0';
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myport = htons((unsigned short)STRTOUL(num, &ep, 10));
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if (*ep != '\0')
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{
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/* use the services db */
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s = getservbyname(num, GTCM_SERVER_PROTOCOL);
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endservent();
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if (!s)
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return CMI_NETFAIL;
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/* get port - netdb routine returns in NBO */
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myport = s->s_port;
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}
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}
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*outport = myport;
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return status;
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}
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