[PATCHES] vfs_gpfs: Implement new dos_attributes vfs functions
Christof Schmitt
cs at samba.org
Thu Mar 31 19:13:34 UTC 2016
From 2f2abceda5791e1218db4b3a6b9c2dccf2f5f776 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <cs at samba.org>
Date: Tue, 22 Mar 2016 22:38:11 -0700
Subject: [PATCH 1/3] gpfswrap: Add wrapper for gpfs_set_winattrs
Signed-off-by: Christof Schmitt <cs at samba.org>
---
lib/util/gpfswrap.c | 13 +++++++++++++
lib/util/gpfswrap.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/lib/util/gpfswrap.c b/lib/util/gpfswrap.c
index 4c74105..0632ee2 100644
--- a/lib/util/gpfswrap.c
+++ b/lib/util/gpfswrap.c
@@ -29,6 +29,8 @@ static int (*gpfs_get_realfilename_path_fn)(char *pathname, char *filenamep,
int *len);
static int (*gpfs_set_winattrs_path_fn)(char *pathname, int flags,
struct gpfs_winattr *attrs);
+static int (*gpfs_set_winattrs_fn)(int fd, int flags,
+ struct gpfs_winattr *attrs);
static int (*gpfs_get_winattrs_path_fn)(char *pathname,
struct gpfs_winattr *attrs);
static int (*gpfs_get_winattrs_fn)(int fd, struct gpfs_winattr *attrs);
@@ -63,6 +65,7 @@ int gpfswrap_init(void)
gpfs_putacl_fn = dlsym(l, "gpfs_putacl");
gpfs_get_realfilename_path_fn = dlsym(l, "gpfs_get_realfilename_path");
gpfs_set_winattrs_path_fn = dlsym(l, "gpfs_set_winattrs_path");
+ gpfs_set_winattrs_fn = dlsym(l, "gpfs_set_winattrs");
gpfs_get_winattrs_path_fn = dlsym(l, "gpfs_get_winattrs_path");
gpfs_get_winattrs_fn = dlsym(l, "gpfs_get_winattrs");
gpfs_prealloc_fn = dlsym(l, "gpfs_prealloc");
@@ -140,6 +143,16 @@ int gpfswrap_set_winattrs_path(char *pathname, int flags,
return gpfs_set_winattrs_path_fn(pathname, flags, attrs);
}
+int gpfswrap_set_winattrs(int fd, int flags, struct gpfs_winattr *attrs)
+{
+ if (gpfs_set_winattrs_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ return gpfs_set_winattrs_fn(fd, flags, attrs);
+}
+
int gpfswrap_get_winattrs_path(char *pathname, struct gpfs_winattr *attrs)
{
if (gpfs_get_winattrs_path_fn == NULL) {
diff --git a/lib/util/gpfswrap.h b/lib/util/gpfswrap.h
index 25b1ba8..1c9c64f 100644
--- a/lib/util/gpfswrap.h
+++ b/lib/util/gpfswrap.h
@@ -34,6 +34,7 @@ int gpfswrap_putacl(char *pathname, int flags, void *acl);
int gpfswrap_get_realfilename_path(char *pathname, char *filenamep, int *len);
int gpfswrap_set_winattrs_path(char *pathname, int flags,
struct gpfs_winattr *attrs);
+int gpfswrap_set_winattrs(int fd, int flags, struct gpfs_winattr *attrs);
int gpfswrap_get_winattrs_path(char *pathname, struct gpfs_winattr *attrs);
int gpfswrap_get_winattrs(int fd, struct gpfs_winattr *attrs);
int gpfswrap_prealloc(int fd, gpfs_off64_t start, gpfs_off64_t bytes);
--
1.8.3.1
From f8e708e1c4a31007da06aff6c9136d60f0cbdc79 Mon Sep 17 00:00:00 2001
From: Christof Schmitt <cs at samba.org>
Date: Tue, 22 Mar 2016 22:39:11 -0700
Subject: [PATCH 2/3] vfs_gpfs: Implement new dos_attributes vfs functions
Signed-off-by: Christof Schmitt <cs at samba.org>
---
source3/modules/vfs_gpfs.c | 184 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 184 insertions(+)
diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index 04d89f4..f076193 100644
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -1449,6 +1449,186 @@ static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t
return rc;
}
+static uint32_t vfs_gpfs_winattrs_to_dosmode(unsigned int winattrs)
+{
+ uint32_t dosmode = 0;
+
+ if (winattrs & GPFS_WINATTR_ARCHIVE){
+ dosmode |= FILE_ATTRIBUTE_ARCHIVE;
+ }
+ if (winattrs & GPFS_WINATTR_HIDDEN){
+ dosmode |= FILE_ATTRIBUTE_HIDDEN;
+ }
+ if (winattrs & GPFS_WINATTR_SYSTEM){
+ dosmode |= FILE_ATTRIBUTE_SYSTEM;
+ }
+ if (winattrs & GPFS_WINATTR_READONLY){
+ dosmode |= FILE_ATTRIBUTE_READONLY;
+ }
+ if (winattrs & GPFS_WINATTR_SPARSE_FILE) {
+ dosmode |= FILE_ATTRIBUTE_SPARSE;
+ }
+
+ return dosmode;
+}
+
+static unsigned int vfs_gpfs_dosmode_to_winattrs(uint32_t dosmode)
+{
+ unsigned int winattrs = 0;
+
+ if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
+ winattrs |= GPFS_WINATTR_ARCHIVE;
+ }
+ if (dosmode & FILE_ATTRIBUTE_HIDDEN){
+ winattrs |= GPFS_WINATTR_HIDDEN;
+ }
+ if (dosmode & FILE_ATTRIBUTE_SYSTEM){
+ winattrs |= GPFS_WINATTR_SYSTEM;
+ }
+ if (dosmode & FILE_ATTRIBUTE_READONLY){
+ winattrs |= GPFS_WINATTR_READONLY;
+ }
+ if (dosmode & FILE_ATTRIBUTE_SPARSE) {
+ winattrs |= GPFS_WINATTR_SPARSE_FILE;
+ }
+
+ return winattrs;
+}
+
+static NTSTATUS vfs_gpfs_get_dos_attributes(struct vfs_handle_struct *handle,
+ struct smb_filename *smb_fname,
+ uint32_t *dosmode)
+{
+ struct gpfs_config_data *config;
+ struct gpfs_winattr attrs = { };
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct gpfs_config_data,
+ return NT_STATUS_INTERNAL_ERROR);
+
+ if (!config->winattr) {
+ return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle,
+ smb_fname, dosmode);
+ }
+
+ ret = gpfswrap_get_winattrs_path(smb_fname->base_name, &attrs);
+ if (ret == -1 && errno == ENOSYS) {
+ return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle, smb_fname,
+ dosmode);
+ }
+
+ if (ret == -1) {
+ DBG_WARNING("Getting winattrs failed for %s: %s\n",
+ smb_fname->base_name, strerror(errno));
+ return map_nt_error_from_unix(errno);
+ }
+
+ *dosmode = vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ uint32_t *dosmode)
+{
+ struct gpfs_config_data *config;
+ struct gpfs_winattr attrs = { };
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct gpfs_config_data,
+ return NT_STATUS_INTERNAL_ERROR);
+
+ if (!config->winattr) {
+ return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
+ }
+
+ ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
+ if (ret == -1 && errno == ENOSYS) {
+ return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
+ }
+
+ if (ret == -1) {
+ DBG_WARNING("Getting winattrs failed for %s: %s\n",
+ fsp->fsp_name->base_name, strerror(errno));
+ return map_nt_error_from_unix(errno);
+ }
+
+ *dosmode = vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS vfs_gpfs_set_dos_attributes(struct vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname,
+ uint32_t dosmode)
+{
+ struct gpfs_config_data *config;
+ struct gpfs_winattr attrs = { };
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct gpfs_config_data,
+ return NT_STATUS_INTERNAL_ERROR);
+
+ if (!config->winattr) {
+ return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
+ smb_fname, dosmode);
+ }
+
+ attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
+ ret = gpfswrap_set_winattrs_path(smb_fname->base_name,
+ GPFS_WINATTR_SET_ATTRS, &attrs);
+
+ if (ret == -1 && errno == ENOSYS) {
+ return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
+ smb_fname, dosmode);
+ }
+
+ if (ret == -1) {
+ DBG_WARNING("Setting winattrs failed for %s: %s\n",
+ smb_fname->base_name, strerror(errno));
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ uint32_t dosmode)
+{
+ struct gpfs_config_data *config;
+ struct gpfs_winattr attrs = { };
+ int ret;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct gpfs_config_data,
+ return NT_STATUS_INTERNAL_ERROR);
+
+ if (!config->winattr) {
+ return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
+ }
+
+ attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
+ ret = gpfswrap_set_winattrs(fsp->fh->fd,
+ GPFS_WINATTR_SET_ATTRS, &attrs);
+
+ if (ret == -1 && errno == ENOSYS) {
+ return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
+ }
+
+ if (ret == -1) {
+ DBG_WARNING("Setting winattrs failed for %s: %s\n",
+ fsp->fsp_name->base_name, strerror(errno));
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
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;
@@ -2485,6 +2665,10 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.kernel_flock_fn = vfs_gpfs_kernel_flock,
.linux_setlease_fn = vfs_gpfs_setlease,
.get_real_filename_fn = vfs_gpfs_get_real_filename,
+ .get_dos_attributes_fn = vfs_gpfs_get_dos_attributes,
+ .fget_dos_attributes_fn = vfs_gpfs_fget_dos_attributes,
+ .set_dos_attributes_fn = vfs_gpfs_set_dos_attributes,
+ .fset_dos_attributes_fn = vfs_gpfs_fset_dos_attributes,
.fget_nt_acl_fn = gpfsacl_fget_nt_acl,
.get_nt_acl_fn = gpfsacl_get_nt_acl,
.fset_nt_acl_fn = gpfsacl_fset_nt_acl,
--
1.8.3.1
From 3a3ca19d9779eab938448a7a2eee7b4eb640949e Mon Sep 17 00:00:00 2001
From: Christof Schmitt <cs at samba.org>
Date: Tue, 22 Mar 2016 22:43:49 -0700
Subject: [PATCH 3/3] vfs_gpfs: Remove xattr functions
The xattr functions intercepted only the calls from dosmode. With the
implementation of the dos_attribute interface, the xattr codepaths never
get called and can be removed.
Signed-off-by: Christof Schmitt <cs at samba.org>
---
source3/modules/vfs_gpfs.c | 159 ---------------------------------------------
1 file changed, 159 deletions(-)
diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index f076193..e86135f 100644
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -1629,163 +1629,6 @@ static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
return NT_STATUS_OK;
}
-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;
- unsigned int dosmode=0;
- struct gpfs_winattr attrs;
- int ret = 0;
- struct gpfs_config_data *config;
-
- SMB_VFS_HANDLE_GET_DATA(handle, config,
- struct gpfs_config_data,
- return -1);
-
- if (!config->winattr) {
- DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name));
- return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
- }
-
- DEBUG(10, ("gpfs_set_xattr: %s \n",path));
-
- /* Only handle DOS Attributes */
- if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
- DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
- return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
- }
-
- blob.data = discard_const_p(uint8_t, value);
- 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 = gpfswrap_set_winattrs_path(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;
- struct gpfs_config_data *config;
-
- SMB_VFS_HANDLE_GET_DATA(handle, config,
- struct gpfs_config_data,
- return -1);
-
- if (!config->winattr) {
- DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name));
- return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
- }
-
- DEBUG(10, ("gpfs_get_xattr: %s \n",path));
-
- /* Only handle DOS Attributes */
- if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
- DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
- return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
- }
-
- ret = gpfswrap_get_winattrs_path(discard_const_p(char, path), &attrs);
- if ( ret == -1){
- int dbg_lvl;
-
- if (errno == ENOSYS) {
- return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
- size);
- }
-
- if (errno != EPERM && errno != EACCES) {
- dbg_lvl = 1;
- } else {
- dbg_lvl = 5;
- }
- DEBUG(dbg_lvl, ("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;
-}
-
#if defined(HAVE_FSTATAT)
static int stat_with_capability(struct vfs_handle_struct *handle,
struct smb_filename *smb_fname, int flag)
@@ -2682,8 +2525,6 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.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,
--
1.8.3.1
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