mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
17986097a3
Autobuild-User: Volker Lendecke <vlendec@samba.org> Autobuild-Date: Thu Jan 12 13:10:19 CET 2012 on sn-devel-104
1363 lines
35 KiB
C
1363 lines
35 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
Wrap gpfs calls in vfs functions.
|
|
|
|
Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
|
|
|
|
Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
|
|
and Gomati Mohanan <gomati.mohanan@in.ibm.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "smbd/smbd.h"
|
|
#include "librpc/gen_ndr/ndr_xattr.h"
|
|
#include "include/smbprofile.h"
|
|
|
|
#undef DBGC_CLASS
|
|
#define DBGC_CLASS DBGC_VFS
|
|
|
|
#include <gpfs_gpl.h>
|
|
#include "nfs4_acls.h"
|
|
#include "vfs_gpfs.h"
|
|
#include "system/filesys.h"
|
|
|
|
struct gpfs_config_data {
|
|
bool sharemodes;
|
|
bool leases;
|
|
bool hsm;
|
|
bool syncio;
|
|
};
|
|
|
|
|
|
static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
|
|
uint32 share_mode, uint32 access_mask)
|
|
{
|
|
|
|
struct gpfs_config_data *config;
|
|
|
|
SMB_VFS_HANDLE_GET_DATA(handle, config,
|
|
struct gpfs_config_data,
|
|
return -1);
|
|
|
|
START_PROFILE(syscall_kernel_flock);
|
|
|
|
kernel_flock(fsp->fh->fd, share_mode, access_mask);
|
|
|
|
if (config->sharemodes
|
|
&& !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
|
|
return -1;
|
|
}
|
|
|
|
END_PROFILE(syscall_kernel_flock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
|
|
{
|
|
|
|
struct gpfs_config_data *config;
|
|
|
|
SMB_VFS_HANDLE_GET_DATA(handle, config,
|
|
struct gpfs_config_data,
|
|
return -1);
|
|
|
|
if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
|
|
set_gpfs_sharemode(fsp, 0, 0);
|
|
}
|
|
|
|
return SMB_VFS_NEXT_CLOSE(handle, fsp);
|
|
}
|
|
|
|
static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
|
|
int leasetype)
|
|
{
|
|
struct gpfs_config_data *config;
|
|
int ret=0;
|
|
|
|
SMB_VFS_HANDLE_GET_DATA(handle, config,
|
|
struct gpfs_config_data,
|
|
return -1);
|
|
|
|
START_PROFILE(syscall_linux_setlease);
|
|
|
|
if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
|
|
return -1;
|
|
|
|
if (config->leases) {
|
|
ret = set_gpfs_lease(fsp->fh->fd,leasetype);
|
|
}
|
|
|
|
if (ret < 0) {
|
|
/* This must have come from GPFS not being available */
|
|
/* or some other error, hence call the default */
|
|
ret = linux_setlease(fsp->fh->fd, leasetype);
|
|
}
|
|
|
|
END_PROFILE(syscall_linux_setlease);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
|
|
const char *path,
|
|
const char *name,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **found_name)
|
|
{
|
|
int result;
|
|
char *full_path;
|
|
char real_pathname[PATH_MAX+1];
|
|
int buflen;
|
|
bool mangled;
|
|
|
|
mangled = mangle_is_mangled(name, handle->conn->params);
|
|
if (mangled) {
|
|
return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
|
|
mem_ctx, found_name);
|
|
}
|
|
|
|
full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
|
|
if (full_path == NULL) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
buflen = sizeof(real_pathname) - 1;
|
|
|
|
result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
|
|
&buflen);
|
|
|
|
TALLOC_FREE(full_path);
|
|
|
|
if ((result == -1) && (errno == ENOSYS)) {
|
|
return SMB_VFS_NEXT_GET_REAL_FILENAME(
|
|
handle, path, name, mem_ctx, found_name);
|
|
}
|
|
|
|
if (result == -1) {
|
|
DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
|
|
strerror(errno)));
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* GPFS does not necessarily null-terminate the returned path
|
|
* but instead returns the buffer length in buflen.
|
|
*/
|
|
|
|
if (buflen < sizeof(real_pathname)) {
|
|
real_pathname[buflen] = '\0';
|
|
} else {
|
|
real_pathname[sizeof(real_pathname)-1] = '\0';
|
|
}
|
|
|
|
DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
|
|
path, name, real_pathname));
|
|
|
|
name = strrchr_m(real_pathname, '/');
|
|
if (name == NULL) {
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
*found_name = talloc_strdup(mem_ctx, name+1);
|
|
if (*found_name == NULL) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
|
|
{
|
|
gpfs_aclCount_t i;
|
|
if (gacl==NULL)
|
|
{
|
|
DEBUG(0, ("gpfs acl is NULL\n"));
|
|
return;
|
|
}
|
|
|
|
DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
|
|
gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
|
|
for(i=0; i<gacl->acl_nace; i++)
|
|
{
|
|
struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
|
|
DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
|
|
i, gace->aceType, gace->aceFlags, gace->aceMask,
|
|
gace->aceIFlags, gace->aceWho));
|
|
}
|
|
}
|
|
|
|
static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
|
|
{
|
|
struct gpfs_acl *acl;
|
|
size_t len = 200;
|
|
int ret;
|
|
TALLOC_CTX *mem_ctx = talloc_tos();
|
|
|
|
acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
|
|
if (acl == NULL) {
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
|
|
acl->acl_len = len;
|
|
acl->acl_level = 0;
|
|
acl->acl_version = 0;
|
|
acl->acl_type = type;
|
|
|
|
ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
|
|
if ((ret != 0) && (errno == ENOSPC)) {
|
|
struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
|
|
mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
|
|
if (new_acl == NULL) {
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
|
|
new_acl->acl_len = acl->acl_len;
|
|
new_acl->acl_level = acl->acl_level;
|
|
new_acl->acl_version = acl->acl_version;
|
|
new_acl->acl_type = acl->acl_type;
|
|
acl = new_acl;
|
|
|
|
ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
|
|
}
|
|
if (ret != 0)
|
|
{
|
|
DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
|
|
return NULL;
|
|
}
|
|
|
|
return acl;
|
|
}
|
|
|
|
/* Tries to get nfs4 acls and returns SMB ACL allocated.
|
|
* On failure returns 1 if it got non-NFSv4 ACL to prompt
|
|
* retry with POSIX ACL checks.
|
|
* On failure returns -1 if there is system (GPFS) error, check errno.
|
|
* Returns 0 on success
|
|
*/
|
|
static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
|
|
{
|
|
gpfs_aclCount_t i;
|
|
struct gpfs_acl *gacl = NULL;
|
|
DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
|
|
|
|
/* First get the real acl length */
|
|
gacl = gpfs_getacl_alloc(fname, 0);
|
|
if (gacl == NULL) {
|
|
DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
|
|
fname, strerror(errno)));
|
|
return -1;
|
|
}
|
|
|
|
if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
|
|
DEBUG(10, ("Got non-nfsv4 acl\n"));
|
|
/* Retry with POSIX ACLs check */
|
|
return 1;
|
|
}
|
|
|
|
*ppacl = smb_create_smb4acl();
|
|
|
|
DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
|
|
gacl->acl_len, gacl->acl_level, gacl->acl_version,
|
|
gacl->acl_nace));
|
|
|
|
for (i=0; i<gacl->acl_nace; i++) {
|
|
struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
|
|
SMB_ACE4PROP_T smbace;
|
|
DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
|
|
"who: %d\n", gace->aceType, gace->aceIFlags,
|
|
gace->aceFlags, gace->aceMask, gace->aceWho));
|
|
|
|
ZERO_STRUCT(smbace);
|
|
if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
|
|
smbace.flags |= SMB_ACE4_ID_SPECIAL;
|
|
switch (gace->aceWho) {
|
|
case ACE4_SPECIAL_OWNER:
|
|
smbace.who.special_id = SMB_ACE4_WHO_OWNER;
|
|
break;
|
|
case ACE4_SPECIAL_GROUP:
|
|
smbace.who.special_id = SMB_ACE4_WHO_GROUP;
|
|
break;
|
|
case ACE4_SPECIAL_EVERYONE:
|
|
smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
|
|
break;
|
|
default:
|
|
DEBUG(8, ("invalid special gpfs id %d "
|
|
"ignored\n", gace->aceWho));
|
|
continue; /* don't add it */
|
|
}
|
|
} else {
|
|
if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
|
|
smbace.who.gid = gace->aceWho;
|
|
else
|
|
smbace.who.uid = gace->aceWho;
|
|
}
|
|
|
|
/* remove redundent deny entries */
|
|
if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
|
|
struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
|
|
if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
|
|
prev->aceFlags == gace->aceFlags &&
|
|
prev->aceIFlags == gace->aceIFlags &&
|
|
(gace->aceMask & prev->aceMask) == 0 &&
|
|
gace->aceWho == prev->aceWho) {
|
|
/* its redundent - skip it */
|
|
continue;
|
|
}
|
|
}
|
|
|
|
smbace.aceType = gace->aceType;
|
|
smbace.aceFlags = gace->aceFlags;
|
|
smbace.aceMask = gace->aceMask;
|
|
smb_add_ace4(*ppacl, &smbace);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
|
|
files_struct *fsp, uint32 security_info,
|
|
struct security_descriptor **ppdesc)
|
|
{
|
|
SMB4ACL_T *pacl = NULL;
|
|
int result;
|
|
|
|
*ppdesc = NULL;
|
|
result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
|
|
|
|
if (result == 0)
|
|
return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
|
|
|
|
if (result > 0) {
|
|
DEBUG(10, ("retrying with posix acl...\n"));
|
|
return posix_fget_nt_acl(fsp, security_info, ppdesc);
|
|
}
|
|
|
|
/* GPFS ACL was not read, something wrong happened, error code is set in errno */
|
|
return map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
|
|
const char *name,
|
|
uint32 security_info, struct security_descriptor **ppdesc)
|
|
{
|
|
SMB4ACL_T *pacl = NULL;
|
|
int result;
|
|
|
|
*ppdesc = NULL;
|
|
result = gpfs_get_nfs4_acl(name, &pacl);
|
|
|
|
if (result == 0)
|
|
return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
|
|
|
|
if (result > 0) {
|
|
DEBUG(10, ("retrying with posix acl...\n"));
|
|
return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
|
|
}
|
|
|
|
/* GPFS ACL was not read, something wrong happened, error code is set in errno */
|
|
return map_nt_error_from_unix(errno);
|
|
}
|
|
|
|
static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
|
|
{
|
|
int ret;
|
|
gpfs_aclLen_t gacl_len;
|
|
SMB4ACE_T *smbace;
|
|
struct gpfs_acl *gacl;
|
|
TALLOC_CTX *mem_ctx = talloc_tos();
|
|
|
|
gacl_len = sizeof(struct gpfs_acl) +
|
|
(smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
|
|
|
|
gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
|
|
if (gacl == NULL) {
|
|
DEBUG(0, ("talloc failed\n"));
|
|
errno = ENOMEM;
|
|
return False;
|
|
}
|
|
|
|
gacl->acl_len = gacl_len;
|
|
gacl->acl_level = 0;
|
|
gacl->acl_version = GPFS_ACL_VERSION_NFS4;
|
|
gacl->acl_type = GPFS_ACL_TYPE_NFS4;
|
|
gacl->acl_nace = 0; /* change later... */
|
|
|
|
for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
|
|
struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
|
|
SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
|
|
|
|
gace->aceType = aceprop->aceType;
|
|
gace->aceFlags = aceprop->aceFlags;
|
|
gace->aceMask = aceprop->aceMask;
|
|
|
|
/*
|
|
* GPFS can't distinguish between WRITE and APPEND on
|
|
* files, so one being set without the other is an
|
|
* error. Sorry for the many ()'s :-)
|
|
*/
|
|
|
|
if (!fsp->is_directory
|
|
&&
|
|
((((gace->aceMask & ACE4_MASK_WRITE) == 0)
|
|
&& ((gace->aceMask & ACE4_MASK_APPEND) != 0))
|
|
||
|
|
(((gace->aceMask & ACE4_MASK_WRITE) != 0)
|
|
&& ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
|
|
&&
|
|
lp_parm_bool(fsp->conn->params->service, "gpfs",
|
|
"merge_writeappend", True)) {
|
|
DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
|
|
"WRITE^APPEND, setting WRITE|APPEND\n",
|
|
fsp_str_dbg(fsp)));
|
|
gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
|
|
}
|
|
|
|
gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
|
|
|
|
if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
|
|
{
|
|
switch(aceprop->who.special_id)
|
|
{
|
|
case SMB_ACE4_WHO_EVERYONE:
|
|
gace->aceWho = ACE4_SPECIAL_EVERYONE;
|
|
break;
|
|
case SMB_ACE4_WHO_OWNER:
|
|
gace->aceWho = ACE4_SPECIAL_OWNER;
|
|
break;
|
|
case SMB_ACE4_WHO_GROUP:
|
|
gace->aceWho = ACE4_SPECIAL_GROUP;
|
|
break;
|
|
default:
|
|
DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
|
|
continue; /* don't add it !!! */
|
|
}
|
|
} else {
|
|
/* just only for the type safety... */
|
|
if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
|
|
gace->aceWho = aceprop->who.gid;
|
|
else
|
|
gace->aceWho = aceprop->who.uid;
|
|
}
|
|
|
|
gacl->acl_nace++;
|
|
}
|
|
|
|
ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
|
|
GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
|
|
if (ret != 0) {
|
|
DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
|
|
gpfs_dumpacl(8, gacl);
|
|
return False;
|
|
}
|
|
|
|
DEBUG(10, ("gpfs_putacl succeeded\n"));
|
|
return True;
|
|
}
|
|
|
|
static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
|
|
{
|
|
struct gpfs_acl *acl;
|
|
NTSTATUS result = NT_STATUS_ACCESS_DENIED;
|
|
|
|
acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
|
|
if (acl == NULL)
|
|
return result;
|
|
|
|
if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
|
|
{
|
|
if (lp_parm_bool(fsp->conn->params->service, "gpfs",
|
|
"refuse_dacl_protected", false)
|
|
&& (psd->type&SEC_DESC_DACL_PROTECTED)) {
|
|
DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
|
|
return NT_STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
result = smb_set_nt_acl_nfs4(
|
|
fsp, security_info_sent, psd,
|
|
gpfsacl_process_smbacl);
|
|
} else { /* assume POSIX ACL - by default... */
|
|
result = set_nt_acl(fsp, security_info_sent, psd);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
|
|
{
|
|
return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
|
|
}
|
|
|
|
static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
|
|
{
|
|
SMB_ACL_T result;
|
|
gpfs_aclCount_t i;
|
|
|
|
result = sys_acl_init(pacl->acl_nace);
|
|
if (result == NULL) {
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
|
|
result->count = pacl->acl_nace;
|
|
|
|
for (i=0; i<pacl->acl_nace; i++) {
|
|
struct smb_acl_entry *ace = &result->acl[i];
|
|
const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
|
|
|
|
DEBUG(10, ("Converting type %d id %lu perm %x\n",
|
|
(int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
|
|
(int)g_ace->ace_perm));
|
|
|
|
switch (g_ace->ace_type) {
|
|
case GPFS_ACL_USER:
|
|
ace->a_type = SMB_ACL_USER;
|
|
ace->uid = (uid_t)g_ace->ace_who;
|
|
break;
|
|
case GPFS_ACL_USER_OBJ:
|
|
ace->a_type = SMB_ACL_USER_OBJ;
|
|
break;
|
|
case GPFS_ACL_GROUP:
|
|
ace->a_type = SMB_ACL_GROUP;
|
|
ace->gid = (gid_t)g_ace->ace_who;
|
|
break;
|
|
case GPFS_ACL_GROUP_OBJ:
|
|
ace->a_type = SMB_ACL_GROUP_OBJ;
|
|
break;
|
|
case GPFS_ACL_OTHER:
|
|
ace->a_type = SMB_ACL_OTHER;
|
|
break;
|
|
case GPFS_ACL_MASK:
|
|
ace->a_type = SMB_ACL_MASK;
|
|
break;
|
|
default:
|
|
DEBUG(10, ("Got invalid ace_type: %d\n",
|
|
g_ace->ace_type));
|
|
errno = EINVAL;
|
|
SAFE_FREE(result);
|
|
return NULL;
|
|
}
|
|
|
|
ace->a_perm = 0;
|
|
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
|
|
SMB_ACL_READ : 0;
|
|
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
|
|
SMB_ACL_WRITE : 0;
|
|
ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
|
|
SMB_ACL_EXECUTE : 0;
|
|
|
|
DEBUGADD(10, ("Converted to %d perm %x\n",
|
|
ace->a_type, ace->a_perm));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
|
|
{
|
|
struct gpfs_acl *pacl;
|
|
SMB_ACL_T result = NULL;
|
|
|
|
pacl = gpfs_getacl_alloc(path, type);
|
|
|
|
if (pacl == NULL) {
|
|
DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
|
|
path, strerror(errno)));
|
|
if (errno == 0) {
|
|
errno = EINVAL;
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
|
|
DEBUG(10, ("Got acl version %d, expected %d\n",
|
|
pacl->acl_version, GPFS_ACL_VERSION_POSIX));
|
|
errno = EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
|
|
pacl->acl_len, pacl->acl_level, pacl->acl_version,
|
|
pacl->acl_nace));
|
|
|
|
result = gpfs2smb_acl(pacl);
|
|
if (result == NULL) {
|
|
goto done;
|
|
}
|
|
|
|
done:
|
|
|
|
if (errno != 0) {
|
|
SAFE_FREE(result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
|
|
const char *path_p,
|
|
SMB_ACL_TYPE_T type)
|
|
{
|
|
gpfs_aclType_t gpfs_type;
|
|
|
|
switch(type) {
|
|
case SMB_ACL_TYPE_ACCESS:
|
|
gpfs_type = GPFS_ACL_TYPE_ACCESS;
|
|
break;
|
|
case SMB_ACL_TYPE_DEFAULT:
|
|
gpfs_type = GPFS_ACL_TYPE_DEFAULT;
|
|
break;
|
|
default:
|
|
DEBUG(0, ("Got invalid type: %d\n", type));
|
|
smb_panic("exiting");
|
|
}
|
|
|
|
return gpfsacl_get_posix_acl(path_p, gpfs_type);
|
|
}
|
|
|
|
static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
|
|
files_struct *fsp)
|
|
{
|
|
return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
|
|
GPFS_ACL_TYPE_ACCESS);
|
|
}
|
|
|
|
static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
|
|
SMB_ACL_TYPE_T type)
|
|
{
|
|
gpfs_aclLen_t len;
|
|
struct gpfs_acl *result;
|
|
int i;
|
|
union gpfs_ace_union
|
|
{
|
|
gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
|
|
gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
|
|
};
|
|
|
|
DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
|
|
|
|
len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
|
|
(pacl->count)*sizeof(gpfs_ace_v1_t);
|
|
|
|
result = (struct gpfs_acl *)SMB_MALLOC(len);
|
|
if (result == NULL) {
|
|
errno = ENOMEM;
|
|
return result;
|
|
}
|
|
|
|
result->acl_len = len;
|
|
result->acl_level = 0;
|
|
result->acl_version = GPFS_ACL_VERSION_POSIX;
|
|
result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
|
|
GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
|
|
result->acl_nace = pacl->count;
|
|
|
|
for (i=0; i<pacl->count; i++) {
|
|
const struct smb_acl_entry *ace = &pacl->acl[i];
|
|
struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
|
|
|
|
DEBUG(10, ("Converting type %d perm %x\n",
|
|
(int)ace->a_type, (int)ace->a_perm));
|
|
|
|
g_ace->ace_perm = 0;
|
|
|
|
switch(ace->a_type) {
|
|
case SMB_ACL_USER:
|
|
g_ace->ace_type = GPFS_ACL_USER;
|
|
g_ace->ace_who = (gpfs_uid_t)ace->uid;
|
|
break;
|
|
case SMB_ACL_USER_OBJ:
|
|
g_ace->ace_type = GPFS_ACL_USER_OBJ;
|
|
g_ace->ace_perm |= ACL_PERM_CONTROL;
|
|
g_ace->ace_who = 0;
|
|
break;
|
|
case SMB_ACL_GROUP:
|
|
g_ace->ace_type = GPFS_ACL_GROUP;
|
|
g_ace->ace_who = (gpfs_uid_t)ace->gid;
|
|
break;
|
|
case SMB_ACL_GROUP_OBJ:
|
|
g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
|
|
g_ace->ace_who = 0;
|
|
break;
|
|
case SMB_ACL_MASK:
|
|
g_ace->ace_type = GPFS_ACL_MASK;
|
|
g_ace->ace_perm = 0x8f;
|
|
g_ace->ace_who = 0;
|
|
break;
|
|
case SMB_ACL_OTHER:
|
|
g_ace->ace_type = GPFS_ACL_OTHER;
|
|
g_ace->ace_who = 0;
|
|
break;
|
|
default:
|
|
DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
|
|
errno = EINVAL;
|
|
SAFE_FREE(result);
|
|
return NULL;
|
|
}
|
|
|
|
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
|
|
ACL_PERM_READ : 0;
|
|
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
|
|
ACL_PERM_WRITE : 0;
|
|
g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
|
|
ACL_PERM_EXECUTE : 0;
|
|
|
|
DEBUGADD(10, ("Converted to %d id %d perm %x\n",
|
|
g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
|
|
const char *name,
|
|
SMB_ACL_TYPE_T type,
|
|
SMB_ACL_T theacl)
|
|
{
|
|
struct gpfs_acl *gpfs_acl;
|
|
int result;
|
|
|
|
gpfs_acl = smb2gpfs_acl(theacl, type);
|
|
if (gpfs_acl == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
|
|
|
|
SAFE_FREE(gpfs_acl);
|
|
return result;
|
|
}
|
|
|
|
static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
|
|
files_struct *fsp,
|
|
SMB_ACL_T theacl)
|
|
{
|
|
return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
|
|
SMB_ACL_TYPE_ACCESS, theacl);
|
|
}
|
|
|
|
static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
|
|
const char *path)
|
|
{
|
|
errno = ENOTSUP;
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Assumed: mode bits are shiftable and standard
|
|
* Output: the new aceMask field for an smb nfs4 ace
|
|
*/
|
|
static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
|
|
{
|
|
const uint32 posix_nfs4map[3] = {
|
|
SMB_ACE4_EXECUTE, /* execute */
|
|
SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
|
|
SMB_ACE4_READ_DATA /* read */
|
|
};
|
|
int i;
|
|
uint32_t posix_mask = 0x01;
|
|
uint32_t posix_bit;
|
|
uint32_t nfs4_bits;
|
|
|
|
for(i=0; i<3; i++) {
|
|
nfs4_bits = posix_nfs4map[i];
|
|
posix_bit = rwx & posix_mask;
|
|
|
|
if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
|
|
if (posix_bit)
|
|
aceMask |= nfs4_bits;
|
|
else
|
|
aceMask &= ~nfs4_bits;
|
|
} else {
|
|
/* add deny bits when suitable */
|
|
if (!posix_bit)
|
|
aceMask |= nfs4_bits;
|
|
else
|
|
aceMask &= ~nfs4_bits;
|
|
} /* other ace types are unexpected */
|
|
|
|
posix_mask <<= 1;
|
|
}
|
|
|
|
return aceMask;
|
|
}
|
|
|
|
static int gpfsacl_emu_chmod(const char *path, mode_t mode)
|
|
{
|
|
SMB4ACL_T *pacl = NULL;
|
|
int result;
|
|
bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
|
|
int i;
|
|
files_struct fake_fsp; /* TODO: rationalize parametrization */
|
|
SMB4ACE_T *smbace;
|
|
NTSTATUS status;
|
|
|
|
DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
|
|
|
|
result = gpfs_get_nfs4_acl(path, &pacl);
|
|
if (result)
|
|
return result;
|
|
|
|
if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
|
|
DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
|
|
}
|
|
|
|
for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
|
|
SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
|
|
uint32_t specid = ace->who.special_id;
|
|
|
|
if (ace->flags&SMB_ACE4_ID_SPECIAL &&
|
|
ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
|
|
specid <= SMB_ACE4_WHO_EVERYONE) {
|
|
|
|
uint32_t newMask;
|
|
|
|
if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
|
|
haveAllowEntry[specid] = True;
|
|
|
|
/* mode >> 6 for @owner, mode >> 3 for @group,
|
|
* mode >> 0 for @everyone */
|
|
newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
|
|
mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
|
|
if (ace->aceMask!=newMask) {
|
|
DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
|
|
path, ace->aceMask, newMask, specid));
|
|
}
|
|
ace->aceMask = newMask;
|
|
}
|
|
}
|
|
|
|
/* make sure we have at least ALLOW entries
|
|
* for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
|
|
* - if necessary
|
|
*/
|
|
for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
|
|
SMB_ACE4PROP_T ace;
|
|
|
|
if (haveAllowEntry[i]==True)
|
|
continue;
|
|
|
|
ZERO_STRUCT(ace);
|
|
ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
|
|
ace.flags |= SMB_ACE4_ID_SPECIAL;
|
|
ace.who.special_id = i;
|
|
|
|
if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
|
|
ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
|
|
|
|
ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
|
|
mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
|
|
|
|
/* don't add unnecessary aces */
|
|
if (!ace.aceMask)
|
|
continue;
|
|
|
|
/* we add it to the END - as windows expects allow aces */
|
|
smb_add_ace4(pacl, &ace);
|
|
DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
|
|
path, mode, i, ace.aceMask));
|
|
}
|
|
|
|
/* don't add complementary DENY ACEs here */
|
|
ZERO_STRUCT(fake_fsp);
|
|
status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
|
|
&fake_fsp.fsp_name);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
errno = map_errno_from_nt_status(status);
|
|
return -1;
|
|
}
|
|
/* put the acl */
|
|
if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
|
|
TALLOC_FREE(fake_fsp.fsp_name);
|
|
return -1;
|
|
}
|
|
|
|
TALLOC_FREE(fake_fsp.fsp_name);
|
|
return 0; /* ok for [f]chmod */
|
|
}
|
|
|
|
static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
|
|
{
|
|
struct smb_filename *smb_fname_cpath;
|
|
int rc;
|
|
NTSTATUS status;
|
|
|
|
status = create_synthetic_smb_fname(
|
|
talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
|
|
|
|
if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
/* avoid chmod() if possible, to preserve acls */
|
|
if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
|
|
return 0;
|
|
}
|
|
|
|
rc = gpfsacl_emu_chmod(path, mode);
|
|
if (rc == 1)
|
|
return SMB_VFS_NEXT_CHMOD(handle, path, mode);
|
|
return rc;
|
|
}
|
|
|
|
static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
|
|
{
|
|
SMB_STRUCT_STAT st;
|
|
int rc;
|
|
|
|
if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
/* avoid chmod() if possible, to preserve acls */
|
|
if ((st.st_ex_mode & ~S_IFMT) == mode) {
|
|
return 0;
|
|
}
|
|
|
|
rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
|
|
if (rc == 1)
|
|
return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
|
|
return rc;
|
|
}
|
|
|
|
static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
|
|
const char *name, const void *value, size_t size, int flags){
|
|
struct xattr_DOSATTRIB dosattrib;
|
|
enum ndr_err_code ndr_err;
|
|
DATA_BLOB blob;
|
|
const char *attrstr = value;
|
|
unsigned int dosmode=0;
|
|
struct gpfs_winattr attrs;
|
|
int ret = 0;
|
|
|
|
DEBUG(10, ("gpfs_set_xattr: %s \n",path));
|
|
|
|
/* Only handle DOS Attributes */
|
|
if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
|
|
DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
|
|
return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
|
|
}
|
|
|
|
blob.data = (uint8_t *)attrstr;
|
|
blob.length = size;
|
|
|
|
ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
|
|
(ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
|
|
|
|
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
|
|
DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
|
|
"from EA on file %s: Error = %s\n",
|
|
path, ndr_errstr(ndr_err)));
|
|
return false;
|
|
}
|
|
|
|
if (dosattrib.version != 3) {
|
|
DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
|
|
"%d\n", (int)dosattrib.version));
|
|
return false;
|
|
}
|
|
if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
|
|
DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
|
|
"valid, ignoring\n"));
|
|
return true;
|
|
}
|
|
|
|
dosmode = dosattrib.info.info3.attrib;
|
|
|
|
attrs.winAttrs = 0;
|
|
/*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
|
|
if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
|
|
attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
|
|
}
|
|
if (dosmode & FILE_ATTRIBUTE_HIDDEN){
|
|
attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
|
|
}
|
|
if (dosmode & FILE_ATTRIBUTE_SYSTEM){
|
|
attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
|
|
}
|
|
if (dosmode & FILE_ATTRIBUTE_READONLY){
|
|
attrs.winAttrs |= GPFS_WINATTR_READONLY;
|
|
}
|
|
if (dosmode & FILE_ATTRIBUTE_SPARSE) {
|
|
attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
|
|
}
|
|
|
|
|
|
ret = set_gpfs_winattrs(discard_const_p(char, path),
|
|
GPFS_WINATTR_SET_ATTRS, &attrs);
|
|
if ( ret == -1){
|
|
if (errno == ENOSYS) {
|
|
return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
|
|
size, flags);
|
|
}
|
|
|
|
DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
|
|
const char *name, void *value, size_t size){
|
|
char *attrstr = value;
|
|
unsigned int dosmode = 0;
|
|
struct gpfs_winattr attrs;
|
|
int ret = 0;
|
|
|
|
DEBUG(10, ("gpfs_get_xattr: %s \n",path));
|
|
|
|
/* Only handle DOS Attributes */
|
|
if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
|
|
DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
|
|
return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
|
|
}
|
|
|
|
ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
|
|
if ( ret == -1){
|
|
if (errno == ENOSYS) {
|
|
return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
|
|
size);
|
|
}
|
|
|
|
DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
|
|
"%d (%s)\n", ret, strerror(errno)));
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
|
|
|
|
/*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
|
|
if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
|
|
dosmode |= FILE_ATTRIBUTE_ARCHIVE;
|
|
}
|
|
if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
|
|
dosmode |= FILE_ATTRIBUTE_HIDDEN;
|
|
}
|
|
if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
|
|
dosmode |= FILE_ATTRIBUTE_SYSTEM;
|
|
}
|
|
if (attrs.winAttrs & GPFS_WINATTR_READONLY){
|
|
dosmode |= FILE_ATTRIBUTE_READONLY;
|
|
}
|
|
if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
|
|
dosmode |= FILE_ATTRIBUTE_SPARSE;
|
|
}
|
|
|
|
snprintf(attrstr, size, "0x%2.2x",
|
|
(unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
|
|
DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
|
|
return 4;
|
|
}
|
|
|
|
static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
struct gpfs_winattr attrs;
|
|
char *fname = NULL;
|
|
NTSTATUS status;
|
|
int ret;
|
|
|
|
ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
|
|
if (ret == -1) {
|
|
return -1;
|
|
}
|
|
status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
errno = map_errno_from_nt_status(status);
|
|
return -1;
|
|
}
|
|
ret = get_gpfs_winattrs(discard_const_p(char, fname), &attrs);
|
|
TALLOC_FREE(fname);
|
|
if (ret == 0) {
|
|
smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
|
|
smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
|
|
smb_fname->st.vfs_private = attrs.winAttrs;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
struct gpfs_winattr attrs;
|
|
int ret;
|
|
|
|
ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
|
|
if (ret == -1) {
|
|
return -1;
|
|
}
|
|
if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
|
|
return 0;
|
|
}
|
|
ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
|
|
if (ret == 0) {
|
|
sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
|
|
sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname)
|
|
{
|
|
struct gpfs_winattr attrs;
|
|
char *path = NULL;
|
|
NTSTATUS status;
|
|
int ret;
|
|
|
|
ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
|
|
if (ret == -1) {
|
|
return -1;
|
|
}
|
|
status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
errno = map_errno_from_nt_status(status);
|
|
return -1;
|
|
}
|
|
ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
|
|
TALLOC_FREE(path);
|
|
if (ret == 0) {
|
|
smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
|
|
smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
|
|
smb_fname->st.vfs_private = attrs.winAttrs;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
struct smb_file_time *ft)
|
|
{
|
|
|
|
struct gpfs_winattr attrs;
|
|
int ret;
|
|
char *path = NULL;
|
|
NTSTATUS status;
|
|
|
|
ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
|
|
if(ret == -1){
|
|
DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
|
|
return -1;
|
|
}
|
|
|
|
if(null_timespec(ft->create_time)){
|
|
DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
|
|
return 0;
|
|
}
|
|
|
|
status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
errno = map_errno_from_nt_status(status);
|
|
return -1;
|
|
}
|
|
|
|
attrs.winAttrs = 0;
|
|
attrs.creationTime.tv_sec = ft->create_time.tv_sec;
|
|
attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
|
|
|
|
ret = set_gpfs_winattrs(discard_const_p(char, path),
|
|
GPFS_WINATTR_SET_CREATION_TIME, &attrs);
|
|
if(ret == -1 && errno != ENOSYS){
|
|
DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
|
|
SMB_OFF_T len)
|
|
{
|
|
int result;
|
|
|
|
result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
|
|
if ((result == -1) && (errno == ENOSYS)) {
|
|
return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *fname,
|
|
SMB_STRUCT_STAT *sbuf)
|
|
{
|
|
struct gpfs_winattr attrs;
|
|
char *path = NULL;
|
|
NTSTATUS status;
|
|
|
|
status = get_full_smb_filename(talloc_tos(), fname, &path);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
errno = map_errno_from_nt_status(status);
|
|
return -1;
|
|
}
|
|
|
|
if (VALID_STAT(*sbuf)) {
|
|
attrs.winAttrs = sbuf->vfs_private;
|
|
} else {
|
|
int ret;
|
|
ret = get_gpfs_winattrs(path, &attrs);
|
|
|
|
if (ret == -1) {
|
|
TALLOC_FREE(path);
|
|
return false;
|
|
}
|
|
}
|
|
if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
|
|
DEBUG(10, ("%s is offline\n", path));
|
|
TALLOC_FREE(path);
|
|
return true;
|
|
}
|
|
DEBUG(10, ("%s is online\n", path));
|
|
TALLOC_FREE(path);
|
|
return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
|
|
}
|
|
|
|
static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp)
|
|
{
|
|
return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
|
|
}
|
|
|
|
static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
|
|
files_struct *fsp, const DATA_BLOB *hdr,
|
|
SMB_OFF_T offset, size_t n)
|
|
{
|
|
if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
|
|
errno = ENOSYS;
|
|
return -1;
|
|
}
|
|
return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
|
|
}
|
|
|
|
int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
|
|
const char *user)
|
|
{
|
|
struct gpfs_config_data *config;
|
|
|
|
smbd_gpfs_lib_init();
|
|
|
|
int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
|
|
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
config = talloc_zero(handle->conn, struct gpfs_config_data);
|
|
if (!config) {
|
|
SMB_VFS_NEXT_DISCONNECT(handle);
|
|
DEBUG(0, ("talloc_zero() failed\n"));
|
|
return -1;
|
|
}
|
|
|
|
config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
|
|
"sharemodes", true);
|
|
|
|
config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
|
|
"leases", true);
|
|
|
|
config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
|
|
"hsm", false);
|
|
|
|
config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
|
|
"syncio", false);
|
|
|
|
SMB_VFS_HANDLE_SET_DATA(handle, config,
|
|
NULL, struct gpfs_config_data,
|
|
return -1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
|
|
enum timestamp_set_resolution *p_ts_res)
|
|
{
|
|
struct gpfs_config_data *config;
|
|
uint32_t next;
|
|
|
|
next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
|
|
|
|
SMB_VFS_HANDLE_GET_DATA(handle, config,
|
|
struct gpfs_config_data,
|
|
return next);
|
|
|
|
if (config->hsm) {
|
|
next |= FILE_SUPPORTS_REMOTE_STORAGE;
|
|
}
|
|
return next;
|
|
}
|
|
|
|
static int vfs_gpfs_open(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname, files_struct *fsp,
|
|
int flags, mode_t mode)
|
|
{
|
|
struct gpfs_config_data *config;
|
|
|
|
SMB_VFS_HANDLE_GET_DATA(handle, config,
|
|
struct gpfs_config_data,
|
|
return -1);
|
|
|
|
if (config->syncio) {
|
|
flags |= O_SYNC;
|
|
}
|
|
return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
|
|
}
|
|
|
|
|
|
static struct vfs_fn_pointers vfs_gpfs_fns = {
|
|
.connect_fn = vfs_gpfs_connect,
|
|
.fs_capabilities_fn = vfs_gpfs_capabilities,
|
|
.kernel_flock_fn = vfs_gpfs_kernel_flock,
|
|
.linux_setlease_fn = vfs_gpfs_setlease,
|
|
.get_real_filename_fn = vfs_gpfs_get_real_filename,
|
|
.fget_nt_acl_fn = gpfsacl_fget_nt_acl,
|
|
.get_nt_acl_fn = gpfsacl_get_nt_acl,
|
|
.fset_nt_acl_fn = gpfsacl_fset_nt_acl,
|
|
.sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
|
|
.sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
|
|
.sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
|
|
.sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
|
|
.sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
|
|
.chmod_fn = vfs_gpfs_chmod,
|
|
.fchmod_fn = vfs_gpfs_fchmod,
|
|
.close_fn = vfs_gpfs_close,
|
|
.setxattr_fn = gpfs_set_xattr,
|
|
.getxattr_fn = gpfs_get_xattr,
|
|
.stat_fn = vfs_gpfs_stat,
|
|
.fstat_fn = vfs_gpfs_fstat,
|
|
.lstat_fn = vfs_gpfs_lstat,
|
|
.ntimes_fn = vfs_gpfs_ntimes,
|
|
.is_offline_fn = vfs_gpfs_is_offline,
|
|
.aio_force_fn = vfs_gpfs_aio_force,
|
|
.sendfile_fn = vfs_gpfs_sendfile,
|
|
.open_fn = vfs_gpfs_open,
|
|
.ftruncate_fn = vfs_gpfs_ftruncate
|
|
};
|
|
|
|
NTSTATUS vfs_gpfs_init(void);
|
|
NTSTATUS vfs_gpfs_init(void)
|
|
{
|
|
init_gpfs();
|
|
|
|
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
|
|
&vfs_gpfs_fns);
|
|
}
|