73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include <unistd.h>
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#include <fcntl.h>
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#include <share.h>
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#include <errno.h>
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#include <sys/iofunc.h>
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#include "iofunc.h"
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int _iofunc_create(resmgr_context_t *ctp, iofunc_attr_t *attr, mode_t *mode, iofunc_mount_t *mountp, struct _client_info *info) {
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int status;
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if(!attr || !S_ISDIR(attr->mode) || !info) {
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return EBADFSYS;
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}
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// Let other manager handle creations
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if(mountp || (mountp = attr->mount)) {
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if(mountp->flags & _MOUNT_NOCREAT) {
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return ENOSYS;
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}
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}
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// Parent must not be write locked
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if(attr->wlocks) {
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return EBUSY;
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}
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// Check for write perm in parent
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if((status = iofunc_check_access(ctp, attr, S_IWRITE, info)) != EOK) {
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return status;
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}
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// Must be a writable file system
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if(mountp && mountp->flags & _MOUNT_READONLY) {
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return EROFS;
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}
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if(mode) {
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// If not a member of the current groups, knock down the
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if((*mode & S_ISGID) && (attr->mode & S_ISGID) &&
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iofunc_check_access(ctp, attr, S_ISGID, info) != EOK) {
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*mode &= ~S_ISGID;
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}
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}
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// mark parent time flags
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attr->flags |= IOFUNC_ATTR_DIRTY_TIME | IOFUNC_ATTR_MTIME | IOFUNC_ATTR_CTIME;
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// Done
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return EOK;
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}
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__SRCVERSION("_iofunc_create.c $Rev: 153052 $");
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