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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#if defined(DARWIN) || defined(FREEBSD) || defined(NETBSD)
# include <sys/param.h>
# include <sys/mount.h>
#elif defined(LINUX)
# include <sys/vfs.h>
# include "sge_string.h"
#else
# include <sys/types.h>
# include <sys/statvfs.h>
#endif
#if defined(SOLARIS)
#include <kstat.h>
#include <nfs/nfs.h>
#include <nfs/nfs_clnt.h>
#endif
#if defined(INTERIX)
# include "wingrid.h"
#endif
#define BUF_SIZE 8 * 1024
int main(int argc, char *argv[]) {
int ret=1;
if (argc < 2) {
printf("Usage: fstype <directory>\n");
return 1;
} else {
#if defined(LINUX)
struct statfs buf;
FILE *fd = NULL;
char buffer[BUF_SIZE];
ret = statfs(argv[1], &buf);
#elif defined(DARWIN) || defined(FREEBSD) || (defined(NETBSD) && !defined(ST_RDONLY))
struct statfs buf;
ret = statfs(argv[1], &buf);
#elif defined(INTERIX)
struct statvfs buf;
ret = wl_statvfs(argv[1], &buf);
#elif defined(SOLARIS)
struct statvfs buf;
struct mntinfo_kstat mnt_info;
minor_t fsid;
kstat_ctl_t *kc = NULL;
kstat_t *ksp;
kstat_named_t *knp;
ret = statvfs(argv[1], &buf);
/*
statfs returns dev_t (32bit - 14bit major + 18bit minor number)
the kstat_instance is the minor number
*/
fsid = (minor_t)(buf.f_fsid & 0x3ffff);
if ( strcmp(buf.f_basetype, "nfs") == 0) {
kc = kstat_open();
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
if (ksp->ks_type != KSTAT_TYPE_RAW)
continue;
if (strcmp(ksp->ks_module, "nfs") != 0)
continue;
if (strcmp(ksp->ks_name, "mntinfo") != 0)
continue;
if (kstat_read(kc, ksp, &mnt_info) == -1) {
kstat_close(kc);
printf("error\n");
return 2;
}
if (fsid == ksp->ks_instance) {
if ( mnt_info.mik_vers >= 4 ) {
sprintf(buf.f_basetype, "%s%i", buf.f_basetype, mnt_info.mik_vers);
}
break;
}
}
ret = kstat_close(kc);
}
#else
struct statvfs buf;
ret = statvfs(argv[1], &buf);
#endif
if(ret!=0) {
printf("Error: %s\n", strerror(errno));
return 2;
}
#if defined (DARWIN) || defined(FREEBSD) || defined(NETBSD)
printf("%s\n", buf.f_fstypename);
#elif defined(LINUX)
if (buf.f_type == 0x6969) {
/* Linux is not able to detect the right nfs version form the statfs struct.
f_type always returns nfs, even when it's a nfs4. We are looking into
the /etc/mtab file until we found a better solution to do this */
fd = fopen("/etc/mtab", "r");
if (fd == NULL) {
fprintf(stderr, "file system type could not be detected\n");
printf("unknown fs\n");
return 1;
} else {
bool found_line = false;
sge_strip_white_space_at_eol(argv[1]);
sge_strip_slash_at_eol(argv[1]);
while (fgets(buffer, sizeof(buffer), fd) != NULL) {
char* export = NULL; /* where is the nfs exported*/
char* mountpoint = NULL; /*where is it mounted to */
char* fstype = NULL; /*type of exported file system */
export = sge_strtok(buffer, " \t");
mountpoint = sge_strtok(NULL, " \t");
fstype = sge_strtok(NULL, " \t");
/*if mtab fstype = nfs4 we found a nfs4 entry*/
if (fstype != NULL && strcmp(fstype, "nfs4") == 0 && mountpoint != NULL) {
char* tmp_argv = argv[1];
char* tmp2_argv = tmp_argv;
while (tmp_argv != NULL) {
if (strcmp(mountpoint, tmp_argv) == 0) { /*if argument and moint point are equal*/
found_line = true; /*the argv is type nfs4*/
printf ("%s\n", fstype);
break;
} else {
tmp2_argv = strrchr(tmp_argv, '/');
if (tmp_argv != NULL && tmp2_argv != NULL) { /*if not, stripping argv from the end*/
/*by setting last / to \0 and compare again with mountpoint*/
tmp_argv[strlen(tmp_argv) - strlen(tmp2_argv)] = '\0';
} else {
break;
}
}
}
break;
}
}
fclose(fd);
if (found_line == false) { /*if type could not be detected via /etc/mtab, then we have to print out "nfs"*/
printf("nfs\n");
}
}
} else {
if (buf.f_type == 0x52654973) {
printf("reiserfs\n");
} else {
printf("%lx\n", (long unsigned int)buf.f_type);
}
}
#elif defined(INTERIX)
printf("%s\n", buf.f_fstypename);
#else
printf("%s\n", buf.f_basetype);
#endif
}
return 0;
}
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