98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2010 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 "gtm_netdb.h"
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#include "gtm_socket.h"
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#include "gtm_stdlib.h"
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#include "gtm_string.h"
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#include "gtm_inet.h"
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#include "gtm_ctype.h"
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#include <errno.h>
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#include "cmidef.h"
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#include "eintr_wrappers.h"
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/* writes into outport the TCP port cooresponding to tnd in NBO */
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cmi_status_t cmj_getsockaddr(cmi_descriptor *tnd, struct sockaddr_in *inp)
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{
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struct servent *s;
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char *tnd_str, *cp;
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char port_str[MAX_HOST_NAME_LEN];
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int tnd_len, ip_len;
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error_def(CMI_BADIPADDRPORT);
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error_def(CMI_NOSERVENT);
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/*
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* address/port number determination:
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*
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* tnd := [IP address:]port
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*
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* If tnd is an empty string, get port number from services database
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*
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*/
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tnd_str = CMI_DESC_POINTER(tnd);
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tnd_len = CMI_DESC_LENGTH(tnd);
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if (tnd && 0 < tnd->len)
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{
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/* look for : */
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for (ip_len = 0, cp = tnd_str; cp < tnd_str + tnd_len; cp++)
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{
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if (*cp != ':' && *cp != '.' && !ISDIGIT_ASCII(*cp))
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return CMI_BADIPADDRPORT;
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if (*cp == ':')
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{
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if (0 == ip_len)
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{
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if (0 == (ip_len = (int)(cp - tnd_str)))
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return CMI_BADIPADDRPORT;
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} else
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return CMI_BADIPADDRPORT;
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}
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}
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if (0 != ip_len)
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{
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*(tnd_str + ip_len) = '\0';
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inp->sin_addr.s_addr = INET_ADDR(tnd_str);
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*(tnd_str + ip_len) = ':';
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if ((in_addr_t)-1 == inp->sin_addr.s_addr)
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return CMI_BADIPADDRPORT;
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} else
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{
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inp->sin_addr.s_addr = INADDR_ANY;
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ip_len = -1;
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}
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if (tnd_len - ip_len > SIZEOF(port_str))
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return CMI_BADIPADDRPORT;
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memcpy(port_str, tnd_str + ip_len + 1, tnd_len - ip_len - 1);
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port_str[tnd_len - ip_len - 1] = '\0';
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errno = 0;
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if (((0 == (inp->sin_port = ATOI(port_str))) && (0 != errno)) || (0 >= inp->sin_port))
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return CMI_BADIPADDRPORT;
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inp->sin_port = htons(inp->sin_port);
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} else
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{
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inp->sin_addr.s_addr = INADDR_ANY;
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/* use the services db */
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s = getservbyname(GTCM_SERVER_NAME, GTCM_SERVER_PROTOCOL);
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endservent();
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if (!s)
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return CMI_NOSERVENT;
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/* get port - netdb routine returns in NBO */
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inp->sin_port = s->s_port;
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}
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inp->sin_family = AF_INET;
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return SS_NORMAL;
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}
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