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/****************************************************************
* *
* Copyright (c) 2001-2018 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <errno.h>
#include "gtm_socket.h"
#include "gtm_netdb.h"
#include "gtm_inet.h"
#include "gtm_string.h"
#include "gtm_select.h"
#include "cmidef.h"
#include "gtmio.h"
#include "eintr_wrappers.h"
#include "outofband.h"
#include "relqop.h"
GBLREF struct NTD *ntd_root;
GBLREF volatile int4 outofband;
error_def(CMI_NETFAIL);
cmi_status_t cmi_open(struct CLB *lnk)
{
cmi_status_t status;
int rval;
unsigned char *cp;
char hn[MAX_HOST_NAME_LEN];
struct addrinfo *ai_ptr, *ai_head;
sigset_t oset;
int new_fd, rc, save_errno;
int sockerror;
GTM_SOCKLEN_TYPE sockerrorlen;
fd_set writefds;
int save_error;
if (!ntd_root)
{
status = cmj_netinit();
if (CMI_ERROR(status))
return status;
}
lnk->ntd = ntd_root;
status = cmj_getsockaddr(&lnk->nod, &lnk->tnd, &ai_head);
if (CMI_ERROR(status))
return status;
lnk->mun = -1;
memset((void *)&lnk->cqe, 0, SIZEOF(lnk->cqe));
memset((void *)&lnk->ios, 0, SIZEOF(lnk->ios));
memset((void *)&lnk->stt, 0, SIZEOF(lnk->stt));
lnk->cbl = 0;
lnk->urgdata = 0;
lnk->deferred_event = lnk->deferred_reason = lnk->deferred_status = 0;
lnk->sta = CM_CLB_DISCONNECT;
lnk->err = NULL;
lnk->ast = NULL;
save_errno = 0; /* 4SCA: Garbage return value */
for(ai_ptr = ai_head; NULL != ai_ptr; ai_ptr = ai_ptr->ai_next)
{
if (FD_INVALID != (new_fd = socket(ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol)))
break;
save_errno = errno;
}
if (NULL == ai_ptr)
{
freeaddrinfo(ai_head);
return save_errno;
}
rval = connect(new_fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen); /* BYPASSOK(connect) */
if ((-1 == rval) && ((EINTR == errno) || (EINPROGRESS == errno)
#if (defined(__osf__) && defined(__alpha)) || defined(__sun) || defined(__vms)
|| (EWOULDBLOCK == errno)
#endif
))
{ /* connection attempt will continue so wait for completion */
assertpro(FD_SETSIZE > new_fd);
do
{
if ((EINTR == errno) && outofband && (jobinterrupt != outofband))
break; /* abort unless job interrupt */
FD_ZERO(&writefds);
FD_SET(new_fd, &writefds);
rval = select(new_fd + 1, NULL, &writefds, NULL, NULL);
if (-1 == rval && EINTR == errno)
continue;
if (0 < rval)
{ /* check for socket error */
sockerrorlen = SIZEOF(sockerror);
rval = getsockopt(new_fd, SOL_SOCKET, SO_ERROR, &sockerror, &sockerrorlen);
if (0 == rval && 0 != sockerror)
{ /* return socket error */
rval = -1;
errno = sockerror;
}
}
break;
} while (TRUE);
}
if (-1 == rval && EISCONN != errno)
{
save_errno = errno;
CLOSEFILE_RESET(new_fd, rc); /* resets "new_fd" to FD_INVALID */
return save_errno;
}
SIGPROCMASK(SIG_BLOCK, &ntd_root->mutex_set, &oset, rc);
status = cmj_setupfd(new_fd);
if (CMI_ERROR(status))
CLOSEFILE_RESET(new_fd, rc); /* resets "new_fd" to FD_INVALID */
else
{
status = cmj_set_async(new_fd);
if (!CMI_ERROR(status))
{
insqh(&lnk->cqe, &ntd_root->cqh);
if (new_fd > ntd_root->max_fd)
ntd_root->max_fd = new_fd;
lnk->mun = new_fd;
memcpy((struct sockaddr *)(&lnk->peer_sas), ai_ptr->ai_addr, ai_ptr->ai_addrlen);
memcpy(&lnk->peer_ai, ai_ptr, SIZEOF(struct addrinfo));
lnk->peer_ai.ai_addr = (struct sockaddr *)(&lnk->peer_sas);
FD_SET(new_fd, &ntd_root->es);
lnk->sta = CM_CLB_IDLE;
} else
CLOSEFILE_RESET(new_fd, rc); /* resets "new_fd" to FD_INVALID */
}
SIGPROCMASK(SIG_SETMASK, &oset, NULL, rc);
freeaddrinfo(ai_head); /* prevent mem-leak */
return status;
}
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