File: Cns_mkdir.c

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/*
 * Copyright (C) 1999-2006 by CERN/IT/PDP/DM
 * All rights reserved
 */

#ifndef lint
static char sccsid[] = "@(#)$RCSfile: Cns_mkdir.c,v $ $Revision: 1.2 $ $Date: 2006/08/01 12:41:12 $ CERN IT-PDP/DM Jean-Philippe Baud";
#endif /* not lint */

/*	Cns_mkdir - create a directory entry */

#include <errno.h>
#include <string.h>
#include <sys/types.h>
#if defined(_WIN32)
#include <winsock2.h>
#else
#include <unistd.h>
#include <netinet/in.h>
#endif
#include "marshall.h"
#include "Cns_api.h"
#include "Cns.h"
#include "serrno.h"

int DLL_DECL
Cns_mkdirg(const char *path, const char *guid, mode_t mode)
{
	char *actual_path;
	int c, n;
	char func[16];
	gid_t gid;
	int msglen;
	char *q;
	char *sbp;
	char sendbuf[REQBUFSZ];
	char server[CA_MAXHOSTNAMELEN+1];
	struct Cns_api_thread_info *thip;
	uid_t uid;
 
	strcpy (func, "Cns_mkdir");
	if (Cns_apiinit (&thip))
		return (-1);
	uid = geteuid();
	gid = getegid();
#if defined(_WIN32)
	if (uid < 0 || gid < 0) {
		Cns_errmsg (func, NS053);
		serrno = SENOMAPFND;
		return (-1);
	}
#endif

	if (! path) {
		serrno = EFAULT;
		return (-1);
	}

	if (strlen (path) > CA_MAXPATHLEN) {
		serrno = ENAMETOOLONG;
		return (-1);
	}
	if (guid && strlen (guid) > CA_MAXGUIDLEN) {
		serrno = EINVAL;
		return (-1);
	}

	mode &= 07777;

	if (Cns_selectsrvr (path, thip->server, server, &actual_path))
		return (-1);

	/* Build request header */

	sbp = sendbuf;
	marshall_LONG (sbp, guid ? CNS_MAGIC2 : CNS_MAGIC);
	marshall_LONG (sbp, CNS_MKDIR);
	q = sbp;        /* save pointer. The next field will be updated */
	msglen = 3 * LONGSIZE;
	marshall_LONG (sbp, msglen);
 
	/* Build request body */

	marshall_LONG (sbp, uid);
	marshall_LONG (sbp, gid);
	marshall_WORD (sbp, thip->mask);
	marshall_HYPER (sbp, thip->cwd);
	marshall_STRING (sbp, actual_path);
	marshall_LONG (sbp, mode);
	if (guid)
		marshall_STRING (sbp, guid);

	msglen = sbp - sendbuf;
	marshall_LONG (q, msglen);	/* update length field */

	c = send2nsd (NULL, server, sendbuf, msglen, NULL, 0);

	if (c && serrno == SENAMETOOLONG) serrno = ENAMETOOLONG;
	return (c);
}

int DLL_DECL
Cns_mkdir(const char *path, mode_t mode)
{
	return (Cns_mkdirg (path, NULL, mode));
}