samba/samba-4.10.6-vfs_glusterfs....

277 lines
7.8 KiB
Diff

From 1ea533bd5f7f6febeeb1a4261f2afbb19081e8eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Mon, 3 Jun 2019 14:27:18 +0200
Subject: [PATCH 1/4] Revert "s3/vfs_glusterfs: Dynamically determine NAME_MAX"
This reverts commit 8e3a042eb9e502821b147f1bbb2d98d59f17a095.
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
---
source3/modules/vfs_glusterfs.c | 37 +++++++--------------------------
1 file changed, 8 insertions(+), 29 deletions(-)
diff --git a/source3/modules/vfs_glusterfs.c b/source3/modules/vfs_glusterfs.c
index 2b5385e44b0..ba8973fa6d3 100644
--- a/source3/modules/vfs_glusterfs.c
+++ b/source3/modules/vfs_glusterfs.c
@@ -1454,36 +1454,20 @@ static int vfs_gluster_chflags(struct vfs_handle_struct *handle,
static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
const char *path, const char *name,
- TALLOC_CTX *mem_ctx, char **_found_name)
+ TALLOC_CTX *mem_ctx, char **found_name)
{
int ret;
- char *key_buf = NULL, *val_buf = NULL;
- long name_max;
- char *found_name = NULL;
+ char key_buf[NAME_MAX + 64];
+ char val_buf[NAME_MAX + 1];
- name_max = pathconf(path, _PC_NAME_MAX);
- if ((name_max + 1) < 1) {
- errno = EINVAL;
- return -1;
- }
-
- if (strlen(name) >= name_max) {
+ if (strlen(name) >= NAME_MAX) {
errno = ENAMETOOLONG;
return -1;
}
- key_buf = talloc_asprintf(mem_ctx, "glusterfs.get_real_filename:%s",
- name);
- if (key_buf == NULL) {
- errno = ENOMEM;
- return -1;
- }
+ snprintf(key_buf, NAME_MAX + 64,
+ "glusterfs.get_real_filename:%s", name);
- val_buf = talloc_zero_array(mem_ctx, char, name_max + 1);
- if (val_buf == NULL) {
- errno = ENOMEM;
- return -1;
- }
ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
if (ret == -1) {
if (errno == ENOATTR) {
@@ -1492,16 +1476,11 @@ static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
return -1;
}
- found_name = talloc_strdup(mem_ctx, val_buf);
- if (found_name == NULL) {
+ *found_name = talloc_strdup(mem_ctx, val_buf);
+ if (found_name[0] == NULL) {
errno = ENOMEM;
return -1;
}
- *_found_name = found_name;
-
- TALLOC_FREE(key_buf);
- TALLOC_FREE(val_buf);
-
return 0;
}
--
2.21.0
From 01a569bec073ce45f412884d340ecfc50ce41fbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Mon, 3 Jun 2019 14:27:44 +0200
Subject: [PATCH 2/4] Revert "s3/vfs_glusterfs_fuse: Dynamically determine
NAME_MAX"
This reverts commit e28d172b00cadf492c22bd892e2dda3bf2fe2d70.
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
---
source3/modules/vfs_glusterfs_fuse.c | 32 ++++++----------------------
1 file changed, 6 insertions(+), 26 deletions(-)
diff --git a/source3/modules/vfs_glusterfs_fuse.c b/source3/modules/vfs_glusterfs_fuse.c
index 0b1de9fcdb2..8855cd18d01 100644
--- a/source3/modules/vfs_glusterfs_fuse.c
+++ b/source3/modules/vfs_glusterfs_fuse.c
@@ -28,35 +28,19 @@ static int vfs_gluster_fuse_get_real_filename(struct vfs_handle_struct *handle,
char **_found_name)
{
int ret;
- char *key_buf = NULL, *val_buf = NULL;
- long name_max;
+ char key_buf[NAME_MAX + 64];
+ char val_buf[NAME_MAX + 1];
char *found_name = NULL;
- name_max = pathconf(path, _PC_NAME_MAX);
- if ((name_max + 1) < 1) {
- errno = EINVAL;
- return -1;
- }
-
- if (strlen(name) >= name_max) {
+ if (strlen(name) >= NAME_MAX) {
errno = ENAMETOOLONG;
return -1;
}
- key_buf = talloc_asprintf(mem_ctx, "glusterfs.get_real_filename:%s",
- name);
- if (key_buf == NULL) {
- errno = ENOMEM;
- return -1;
- }
-
- val_buf = talloc_zero_array(mem_ctx, char, name_max + 1);
- if (val_buf == NULL) {
- errno = ENOMEM;
- return -1;
- }
+ snprintf(key_buf, NAME_MAX + 64,
+ "glusterfs.get_real_filename:%s", name);
- ret = getxattr(path, key_buf, val_buf, name_max + 1);
+ ret = getxattr(path, key_buf, val_buf, NAME_MAX + 1);
if (ret == -1) {
if (errno == ENOATTR) {
errno = EOPNOTSUPP;
@@ -70,10 +54,6 @@ static int vfs_gluster_fuse_get_real_filename(struct vfs_handle_struct *handle,
return -1;
}
*_found_name = found_name;
-
- TALLOC_FREE(key_buf);
- TALLOC_FREE(val_buf);
-
return 0;
}
--
2.21.0
From e85bb58532fe82daac6e50e88d08bbab66cb1019 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Mon, 3 Jun 2019 16:25:46 +0200
Subject: [PATCH 3/4] s3/vfs_glusterfs: Avoid using NAME_MAX directly
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13872
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
---
source3/modules/vfs_glusterfs.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/source3/modules/vfs_glusterfs.c b/source3/modules/vfs_glusterfs.c
index ba8973fa6d3..a9415952b4e 100644
--- a/source3/modules/vfs_glusterfs.c
+++ b/source3/modules/vfs_glusterfs.c
@@ -47,6 +47,7 @@
#include "modules/posixacl_xattr.h"
#define DEFAULT_VOLFILE_SERVER "localhost"
+#define GLUSTER_NAME_MAX 255
static int read_fd = -1;
static int write_fd = -1;
@@ -1457,18 +1458,19 @@ static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
TALLOC_CTX *mem_ctx, char **found_name)
{
int ret;
- char key_buf[NAME_MAX + 64];
- char val_buf[NAME_MAX + 1];
+ char key_buf[GLUSTER_NAME_MAX + 64];
+ char val_buf[GLUSTER_NAME_MAX + 1];
- if (strlen(name) >= NAME_MAX) {
+ if (strlen(name) >= GLUSTER_NAME_MAX) {
errno = ENAMETOOLONG;
return -1;
}
- snprintf(key_buf, NAME_MAX + 64,
+ snprintf(key_buf, GLUSTER_NAME_MAX + 64,
"glusterfs.get_real_filename:%s", name);
- ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
+ ret = glfs_getxattr(handle->data, path, key_buf, val_buf,
+ GLUSTER_NAME_MAX + 1);
if (ret == -1) {
if (errno == ENOATTR) {
errno = EOPNOTSUPP;
--
2.21.0
From 7cc9e3fe24dd476360837c04538345752048e6be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Mon, 3 Jun 2019 16:28:36 +0200
Subject: [PATCH 4/4] s3/vfs_glusterfs_fuse: Avoid using NAME_MAX directly
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13872
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Tue Jun 11 00:29:19 UTC 2019 on sn-devel-184
---
source3/modules/vfs_glusterfs_fuse.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/source3/modules/vfs_glusterfs_fuse.c b/source3/modules/vfs_glusterfs_fuse.c
index 8855cd18d01..d92f5e2b08b 100644
--- a/source3/modules/vfs_glusterfs_fuse.c
+++ b/source3/modules/vfs_glusterfs_fuse.c
@@ -21,6 +21,8 @@
#include "smbd/smbd.h"
#include "system/filesys.h"
+#define GLUSTER_NAME_MAX 255
+
static int vfs_gluster_fuse_get_real_filename(struct vfs_handle_struct *handle,
const char *path,
const char *name,
@@ -28,19 +30,19 @@ static int vfs_gluster_fuse_get_real_filename(struct vfs_handle_struct *handle,
char **_found_name)
{
int ret;
- char key_buf[NAME_MAX + 64];
- char val_buf[NAME_MAX + 1];
+ char key_buf[GLUSTER_NAME_MAX + 64];
+ char val_buf[GLUSTER_NAME_MAX + 1];
char *found_name = NULL;
- if (strlen(name) >= NAME_MAX) {
+ if (strlen(name) >= GLUSTER_NAME_MAX) {
errno = ENAMETOOLONG;
return -1;
}
- snprintf(key_buf, NAME_MAX + 64,
+ snprintf(key_buf, GLUSTER_NAME_MAX + 64,
"glusterfs.get_real_filename:%s", name);
- ret = getxattr(path, key_buf, val_buf, NAME_MAX + 1);
+ ret = getxattr(path, key_buf, val_buf, GLUSTER_NAME_MAX + 1);
if (ret == -1) {
if (errno == ENOATTR) {
errno = EOPNOTSUPP;
--
2.21.0