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authorAndrew Bartlett <abartlet@samba.org>2012-10-10 11:50:27 +1100
committerAndrew Bartlett <abartlet@samba.org>2012-10-11 12:25:11 +1100
commitc8ade07760ae0ccfdf2d875c9f3027926e62321b (patch)
treeabac36ce81b1e0737bfeb607699a41773beb958e /source3
parent9158974540d0e311021f04789ed75ebda466c5b3 (diff)
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smbd: Add mem_ctx to {f,}get_nt_acl VFS call
This makes it clear which context the returned SD is allocated on, as a number of callers do not want it on talloc_tos(). As the ACL transformation allocates and then no longer needs a great deal of memory, a talloc_stackframe() call is used to contain the memory that is not returned further up the stack. Andrew Bartlett
Diffstat (limited to 'source3')
-rw-r--r--source3/include/vfs.h4
-rw-r--r--source3/include/vfs_macros.h18
-rw-r--r--source3/modules/nfs4_acls.c18
-rw-r--r--source3/modules/nfs4_acls.h2
-rw-r--r--source3/modules/vfs_acl_common.c68
-rw-r--r--source3/modules/vfs_afsacl.c16
-rw-r--r--source3/modules/vfs_aixacl2.c16
-rw-r--r--source3/modules/vfs_catia.c3
-rw-r--r--source3/modules/vfs_default.c8
-rw-r--r--source3/modules/vfs_full_audit.c12
-rw-r--r--source3/modules/vfs_gpfs.c14
-rw-r--r--source3/modules/vfs_media_harmony.c13
-rw-r--r--source3/modules/vfs_shadow_copy2.c11
-rw-r--r--source3/modules/vfs_time_audit.c8
-rw-r--r--source3/modules/vfs_zfsacl.c18
-rw-r--r--source3/rpc_server/srvsvc/srv_srvsvc_nt.c16
-rw-r--r--source3/smbd/file_access.c4
-rw-r--r--source3/smbd/nttrans.c13
-rw-r--r--source3/smbd/open.c22
-rw-r--r--source3/smbd/posix_acls.c52
-rw-r--r--source3/smbd/proto.h5
-rw-r--r--source3/smbd/vfs.c6
-rw-r--r--source3/torture/cmd_vfs.c8
23 files changed, 231 insertions, 124 deletions
diff --git a/source3/include/vfs.h b/source3/include/vfs.h
index 4ba11be94e..2d18265aac 100644
--- a/source3/include/vfs.h
+++ b/source3/include/vfs.h
@@ -671,10 +671,12 @@ struct vfs_fn_pointers {
NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc);
NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc);
NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
struct files_struct *fsp,
@@ -1079,10 +1081,12 @@ NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc);
NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc);
NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
struct files_struct *fsp,
diff --git a/source3/include/vfs_macros.h b/source3/include/vfs_macros.h
index f1bc8ffa4c..a5ff90bc9d 100644
--- a/source3/include/vfs_macros.h
+++ b/source3/include/vfs_macros.h
@@ -399,15 +399,15 @@
#define SMB_VFS_NEXT_FSCTL(handle, fsp, ctx, function, req_flags, in_data, in_len, out_data, max_out_len, out_len) \
smb_vfs_call_fsctl((handle)->next, (fsp), (ctx), (function), (req_flags), (in_data), (in_len), (out_data), (max_out_len), (out_len))
-#define SMB_VFS_FGET_NT_ACL(fsp, security_info, ppdesc) \
- smb_vfs_call_fget_nt_acl((fsp)->conn->vfs_handles, (fsp), (security_info), (ppdesc))
-#define SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc) \
- smb_vfs_call_fget_nt_acl((handle)->next, (fsp), (security_info), (ppdesc))
-
-#define SMB_VFS_GET_NT_ACL(conn, name, security_info, ppdesc) \
- smb_vfs_call_get_nt_acl((conn)->vfs_handles, (name), (security_info), (ppdesc))
-#define SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc) \
- smb_vfs_call_get_nt_acl((handle)->next, (name), (security_info), (ppdesc))
+#define SMB_VFS_FGET_NT_ACL(fsp, security_info, mem_ctx, ppdesc) \
+ smb_vfs_call_fget_nt_acl((fsp)->conn->vfs_handles, (fsp), (security_info), (mem_ctx), (ppdesc))
+#define SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, mem_ctx, ppdesc) \
+ smb_vfs_call_fget_nt_acl((handle)->next, (fsp), (security_info), (mem_ctx), (ppdesc))
+
+#define SMB_VFS_GET_NT_ACL(conn, name, security_info, mem_ctx, ppdesc) \
+ smb_vfs_call_get_nt_acl((conn)->vfs_handles, (name), (security_info), (mem_ctx), (ppdesc))
+#define SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, mem_ctx, ppdesc) \
+ smb_vfs_call_get_nt_acl((handle)->next, (name), (security_info), (mem_ctx), (ppdesc))
#define SMB_VFS_AUDIT_FILE(conn, name, sacl, access_requested, access_denied) \
smb_vfs_call_audit_file((conn)->vfs_handles, (name), (sacl), (access_requested), (access_denied))
diff --git a/source3/modules/nfs4_acls.c b/source3/modules/nfs4_acls.c
index 05f90f77df..48b045feb0 100644
--- a/source3/modules/nfs4_acls.c
+++ b/source3/modules/nfs4_acls.c
@@ -370,7 +370,7 @@ static bool smbacl4_nfs42win(TALLOC_CTX *mem_ctx, SMB4ACL_T *theacl, /* in */
}
static NTSTATUS smb_get_nt_acl_nfs4_common(const SMB_STRUCT_STAT *sbuf,
- uint32 security_info,
+ uint32 security_info, TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc, SMB4ACL_T *theacl)
{
int good_aces = 0;
@@ -378,7 +378,7 @@ static NTSTATUS smb_get_nt_acl_nfs4_common(const SMB_STRUCT_STAT *sbuf,
size_t sd_size = 0;
struct security_ace *nt_ace_list = NULL;
struct security_acl *psa = NULL;
- TALLOC_CTX *mem_ctx = talloc_tos();
+ TALLOC_CTX *frame = talloc_stackframe();
if (theacl==NULL || smb_get_naces(theacl)==0)
return NT_STATUS_ACCESS_DENIED; /* special because we
@@ -392,12 +392,14 @@ static NTSTATUS smb_get_nt_acl_nfs4_common(const SMB_STRUCT_STAT *sbuf,
S_ISDIR(sbuf->st_ex_mode),
&nt_ace_list, &good_aces)==False) {
DEBUG(8,("smbacl4_nfs42win failed\n"));
+ TALLOC_FREE(frame);
return map_nt_error_from_unix(errno);
}
- psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, good_aces, nt_ace_list);
+ psa = make_sec_acl(frame, NT4_ACL_REVISION, good_aces, nt_ace_list);
if (psa == NULL) {
DEBUG(2,("make_sec_acl failed\n"));
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
@@ -409,6 +411,7 @@ static NTSTATUS smb_get_nt_acl_nfs4_common(const SMB_STRUCT_STAT *sbuf,
NULL, psa, &sd_size);
if (*ppdesc==NULL) {
DEBUG(2,("make_sec_desc failed\n"));
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
@@ -416,11 +419,13 @@ static NTSTATUS smb_get_nt_acl_nfs4_common(const SMB_STRUCT_STAT *sbuf,
"sd_size %d\n",
(int)ndr_size_security_descriptor(*ppdesc, 0)));
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
NTSTATUS smb_fget_nt_acl_nfs4(files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc,
SMB4ACL_T *theacl)
{
@@ -432,13 +437,15 @@ NTSTATUS smb_fget_nt_acl_nfs4(files_struct *fsp,
return map_nt_error_from_unix(errno);
}
- return smb_get_nt_acl_nfs4_common(&sbuf, security_info, ppdesc,
+ return smb_get_nt_acl_nfs4_common(&sbuf, security_info,
+ mem_ctx, ppdesc,
theacl);
}
NTSTATUS smb_get_nt_acl_nfs4(struct connection_struct *conn,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc,
SMB4ACL_T *theacl)
{
@@ -450,7 +457,8 @@ NTSTATUS smb_get_nt_acl_nfs4(struct connection_struct *conn,
return map_nt_error_from_unix(errno);
}
- return smb_get_nt_acl_nfs4_common(&sbuf, security_info, ppdesc,
+ return smb_get_nt_acl_nfs4_common(&sbuf, security_info,
+ mem_ctx, ppdesc,
theacl);
}
diff --git a/source3/modules/nfs4_acls.h b/source3/modules/nfs4_acls.h
index fcab635915..c461229c6c 100644
--- a/source3/modules/nfs4_acls.h
+++ b/source3/modules/nfs4_acls.h
@@ -132,11 +132,13 @@ uint32 smb_get_naces(SMB4ACL_T *theacl);
NTSTATUS smb_fget_nt_acl_nfs4(files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc, SMB4ACL_T *theacl);
NTSTATUS smb_get_nt_acl_nfs4(connection_struct *conn,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc, SMB4ACL_T *theacl);
/* Callback function needed to set the native acl
diff --git a/source3/modules/vfs_acl_common.c b/source3/modules/vfs_acl_common.c
index c2ac875fa1..ef2dda1b45 100644
--- a/source3/modules/vfs_acl_common.c
+++ b/source3/modules/vfs_acl_common.c
@@ -74,27 +74,29 @@ static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
*******************************************************************/
static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc,
uint16_t *p_hash_type,
uint8_t hash[XATTR_SD_HASH_SIZE])
{
- TALLOC_CTX *ctx = talloc_tos();
struct xattr_NTACL xacl;
enum ndr_err_code ndr_err;
size_t sd_size;
+ TALLOC_CTX *frame = talloc_stackframe();
- ndr_err = ndr_pull_struct_blob(pblob, ctx, &xacl,
+ ndr_err = ndr_pull_struct_blob(pblob, frame, &xacl,
(ndr_pull_flags_fn_t)ndr_pull_xattr_NTACL);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(5, ("parse_acl_blob: ndr_pull_xattr_NTACL failed: %s\n",
ndr_errstr(ndr_err)));
+ TALLOC_FREE(frame);
return ndr_map_error2ntstatus(ndr_err);
}
switch (xacl.version) {
case 1:
- *ppdesc = make_sec_desc(ctx, SD_REVISION,
+ *ppdesc = make_sec_desc(mem_ctx, SD_REVISION,
xacl.info.sd->type | SEC_DESC_SELF_RELATIVE,
xacl.info.sd->owner_sid,
xacl.info.sd->group_sid,
@@ -106,7 +108,7 @@ static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
memset(hash, '\0', XATTR_SD_HASH_SIZE);
break;
case 2:
- *ppdesc = make_sec_desc(ctx, SD_REVISION,
+ *ppdesc = make_sec_desc(mem_ctx, SD_REVISION,
xacl.info.sd_hs2->sd->type | SEC_DESC_SELF_RELATIVE,
xacl.info.sd_hs2->sd->owner_sid,
xacl.info.sd_hs2->sd->group_sid,
@@ -118,7 +120,7 @@ static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
memset(hash, '\0', XATTR_SD_HASH_SIZE);
break;
case 3:
- *ppdesc = make_sec_desc(ctx, SD_REVISION,
+ *ppdesc = make_sec_desc(mem_ctx, SD_REVISION,
xacl.info.sd_hs3->sd->type | SEC_DESC_SELF_RELATIVE,
xacl.info.sd_hs3->sd->owner_sid,
xacl.info.sd_hs3->sd->group_sid,
@@ -130,10 +132,11 @@ static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
memcpy(hash, xacl.info.sd_hs3->hash, XATTR_SD_HASH_SIZE);
break;
default:
+ TALLOC_FREE(frame);
return NT_STATUS_REVISION_MISMATCH;
}
- TALLOC_FREE(xacl.info.sd);
+ TALLOC_FREE(frame);
return (*ppdesc != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
}
@@ -274,7 +277,8 @@ static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
files_struct *fsp,
const char *name,
uint32_t security_info,
- struct security_descriptor **ppdesc)
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
DATA_BLOB blob = data_blob_null;
NTSTATUS status;
@@ -298,14 +302,16 @@ static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
or to return as backup. */
if (fsp) {
status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
+ fsp,
+ HASH_SECURITY_INFO,
+ mem_ctx,
+ &pdesc_next);
} else {
status = SMB_VFS_NEXT_GET_NT_ACL(handle,
- name,
- HASH_SECURITY_INFO,
- &pdesc_next);
+ name,
+ HASH_SECURITY_INFO,
+ mem_ctx,
+ &pdesc_next);
}
if (!NT_STATUS_IS_OK(status)) {
@@ -324,7 +330,7 @@ static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
goto out;
}
- status = parse_acl_blob(&blob, &psd,
+ status = parse_acl_blob(&blob, mem_ctx, &psd,
&hash_type, &hash[0]);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("parse_acl_blob returned %s\n",
@@ -417,7 +423,7 @@ static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
if (ignore_file_system_acl) {
TALLOC_FREE(pdesc_next);
- status = make_default_filesystem_acl(talloc_tos(),
+ status = make_default_filesystem_acl(mem_ctx,
name,
psbuf,
&psd);
@@ -476,11 +482,14 @@ static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
Fetch a security descriptor given an fsp.
*********************************************************************/
-static NTSTATUS fget_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
- uint32_t security_info, struct security_descriptor **ppdesc)
+static NTSTATUS fget_nt_acl_common(vfs_handle_struct *handle,
+ files_struct *fsp,
+ uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
return get_nt_acl_internal(handle, fsp,
- NULL, security_info, ppdesc);
+ NULL, security_info, mem_ctx, ppdesc);
}
/*********************************************************************
@@ -488,10 +497,13 @@ static NTSTATUS fget_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
*********************************************************************/
static NTSTATUS get_nt_acl_common(vfs_handle_struct *handle,
- const char *name, uint32_t security_info, struct security_descriptor **ppdesc)
+ const char *name,
+ uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
return get_nt_acl_internal(handle, NULL,
- name, security_info, ppdesc);
+ name, security_info, mem_ctx, ppdesc);
}
/*********************************************************************
@@ -507,6 +519,7 @@ static NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
struct security_descriptor *psd = NULL;
uint8_t hash[XATTR_SD_HASH_SIZE];
bool chown_needed = false;
+ TALLOC_CTX *frame = talloc_stackframe();
if (DEBUGLEVEL >= 10) {
DEBUG(10,("fset_nt_acl_xattr: incoming sd for file %s\n",
@@ -518,9 +531,11 @@ static NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
status = get_nt_acl_internal(handle, fsp,
NULL,
SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL,
+ frame,
&psd);
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
@@ -554,6 +569,7 @@ static NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
if (!NT_STATUS_IS_OK(status)) {
if (!NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
+ TALLOC_FREE(frame);
return status;
}
/* We got access denied here. If we're already root,
@@ -578,22 +594,26 @@ static NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
security_info_sent, psd);
unbecome_root();
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
}
/* Get the full underlying sd, then hash. */
status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
+ fsp,
+ HASH_SECURITY_INFO,
+ frame,
+ &pdesc_next);
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
status = hash_sd_sha256(pdesc_next, hash);
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
@@ -610,11 +630,13 @@ static NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("fset_nt_acl_xattr: create_acl_blob failed\n"));
+ TALLOC_FREE(frame);
return status;
}
status = store_acl_blob_fsp(handle, fsp, &blob);
+ TALLOC_FREE(frame);
return status;
}
diff --git a/source3/modules/vfs_afsacl.c b/source3/modules/vfs_afsacl.c
index 770f6a33f0..96521bc266 100644
--- a/source3/modules/vfs_afsacl.c
+++ b/source3/modules/vfs_afsacl.c
@@ -594,6 +594,7 @@ static uint32 nt_to_afs_file_rights(const char *filename, const struct security_
static size_t afs_to_nt_acl_common(struct afs_acl *afs_acl,
SMB_STRUCT_STAT *psbuf,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
struct security_ace *nt_ace_list;
@@ -601,7 +602,6 @@ static size_t afs_to_nt_acl_common(struct afs_acl *afs_acl,
struct security_acl *psa = NULL;
int good_aces;
size_t sd_size;
- TALLOC_CTX *mem_ctx = talloc_tos();
struct afs_ace *afs_ace;
@@ -663,6 +663,7 @@ static size_t afs_to_nt_acl(struct afs_acl *afs_acl,
struct connection_struct *conn,
struct smb_filename *smb_fname,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
int ret;
@@ -678,12 +679,13 @@ static size_t afs_to_nt_acl(struct afs_acl *afs_acl,
}
return afs_to_nt_acl_common(afs_acl, &smb_fname->st, security_info,
- ppdesc);
+ mem_ctx, ppdesc);
}
static size_t afs_fto_nt_acl(struct afs_acl *afs_acl,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
SMB_STRUCT_STAT sbuf;
@@ -691,7 +693,7 @@ static size_t afs_fto_nt_acl(struct afs_acl *afs_acl,
if (fsp->fh->fd == -1) {
/* Get the stat struct for the owner info. */
return afs_to_nt_acl(afs_acl, fsp->conn, fsp->fsp_name,
- security_info, ppdesc);
+ security_info, mem_ctx, ppdesc);
}
if(SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
@@ -1008,6 +1010,7 @@ static NTSTATUS afs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS afsacl_fget_nt_acl(struct vfs_handle_struct *handle,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
struct afs_acl acl;
@@ -1021,7 +1024,7 @@ static NTSTATUS afsacl_fget_nt_acl(struct vfs_handle_struct *handle,
return NT_STATUS_ACCESS_DENIED;
}
- sd_size = afs_fto_nt_acl(&acl, fsp, security_info, ppdesc);
+ sd_size = afs_fto_nt_acl(&acl, fsp, security_info, mem_ctx, ppdesc);
free_afs_acl(&acl);
@@ -1029,7 +1032,8 @@ static NTSTATUS afsacl_fget_nt_acl(struct vfs_handle_struct *handle,
}
static NTSTATUS afsacl_get_nt_acl(struct vfs_handle_struct *handle,
- const char *name, uint32 security_info,
+ const char *name, uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
struct afs_acl acl;
@@ -1053,7 +1057,7 @@ static NTSTATUS afsacl_get_nt_acl(struct vfs_handle_struct *handle,
}
sd_size = afs_to_nt_acl(&acl, handle->conn, smb_fname, security_info,
- ppdesc);
+ mem_ctx, ppdesc);
TALLOC_FREE(smb_fname);
free_afs_acl(&acl);
diff --git a/source3/modules/vfs_aixacl2.c b/source3/modules/vfs_aixacl2.c
index 0d754d7b43..0f89eb6647 100644
--- a/source3/modules/vfs_aixacl2.c
+++ b/source3/modules/vfs_aixacl2.c
@@ -157,6 +157,7 @@ static bool aixjfs2_get_nfs4_acl(const char *name,
static NTSTATUS aixjfs2_fget_nt_acl(vfs_handle_struct *handle,
files_struct *fsp, uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl = NULL;
@@ -169,17 +170,21 @@ static NTSTATUS aixjfs2_fget_nt_acl(vfs_handle_struct *handle,
if (retryPosix)
{
DEBUG(10, ("retrying with posix acl...\n"));
- return posix_fget_nt_acl(fsp, security_info, ppdesc);
+ return posix_fget_nt_acl(fsp, security_info,
+ mem_ctx, ppdesc);
}
if (result==False)
return NT_STATUS_ACCESS_DENIED;
- return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
+ return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc,
+ mem_ctx, pacl);
}
static NTSTATUS aixjfs2_get_nt_acl(vfs_handle_struct *handle,
const char *name,
- uint32 security_info, struct security_descriptor **ppdesc)
+ uint32 security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl = NULL;
bool result;
@@ -191,12 +196,13 @@ static NTSTATUS aixjfs2_get_nt_acl(vfs_handle_struct *handle,
{
DEBUG(10, ("retrying with posix acl...\n"));
return posix_get_nt_acl(handle->conn, name, security_info,
- ppdesc);
+ mem_ctx, ppdesc);
}
if (result==False)
return NT_STATUS_ACCESS_DENIED;
- return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc,
+ return smb_get_nt_acl_nfs4(handle->conn, name, security_info,
+ mem_ctx, ppdesc,
pacl);
}
diff --git a/source3/modules/vfs_catia.c b/source3/modules/vfs_catia.c
index a2bef44370..b9f241e240 100644
--- a/source3/modules/vfs_catia.c
+++ b/source3/modules/vfs_catia.c
@@ -703,6 +703,7 @@ static NTSTATUS
catia_get_nt_acl(struct vfs_handle_struct *handle,
const char *path,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
char *mapped_name = NULL;
@@ -715,7 +716,7 @@ catia_get_nt_acl(struct vfs_handle_struct *handle,
return status;
}
status = SMB_VFS_NEXT_GET_NT_ACL(handle, mapped_name,
- security_info, ppdesc);
+ security_info, mem_ctx, ppdesc);
TALLOC_FREE(mapped_name);
return status;
diff --git a/source3/modules/vfs_default.c b/source3/modules/vfs_default.c
index aa91a48a2e..2aa4ca5b14 100644
--- a/source3/modules/vfs_default.c
+++ b/source3/modules/vfs_default.c
@@ -2039,12 +2039,14 @@ static void vfswrap_strict_unlock(struct vfs_handle_struct *handle,
static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
NTSTATUS result;
START_PROFILE(fget_nt_acl);
- result = posix_fget_nt_acl(fsp, security_info, ppdesc);
+ result = posix_fget_nt_acl(fsp, security_info,
+ mem_ctx, ppdesc);
END_PROFILE(fget_nt_acl);
return result;
}
@@ -2052,12 +2054,14 @@ static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
NTSTATUS result;
START_PROFILE(get_nt_acl);
- result = posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
+ result = posix_get_nt_acl(handle->conn, name, security_info,
+ mem_ctx, ppdesc);
END_PROFILE(get_nt_acl);
return result;
}
diff --git a/source3/modules/vfs_full_audit.c b/source3/modules/vfs_full_audit.c
index e56c4a82a0..be8989cdb5 100644
--- a/source3/modules/vfs_full_audit.c
+++ b/source3/modules/vfs_full_audit.c
@@ -1733,12 +1733,14 @@ static NTSTATUS smb_full_audit_translate_name(struct vfs_handle_struct *handle,
}
static NTSTATUS smb_full_audit_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
- uint32 security_info,
- struct security_descriptor **ppdesc)
+ uint32 security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
NTSTATUS result;
- result = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
+ result = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
+ mem_ctx, ppdesc);
do_log(SMB_VFS_OP_FGET_NT_ACL, NT_STATUS_IS_OK(result), handle,
"%s", fsp_str_do_log(fsp));
@@ -1749,11 +1751,13 @@ static NTSTATUS smb_full_audit_fget_nt_acl(vfs_handle_struct *handle, files_stru
static NTSTATUS smb_full_audit_get_nt_acl(vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
NTSTATUS result;
- result = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
+ result = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info,
+ mem_ctx, ppdesc);
do_log(SMB_VFS_OP_GET_NT_ACL, NT_STATUS_IS_OK(result), handle,
"%s", name);
diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
index 412c48c440..5ab5d4a2ad 100644
--- a/source3/modules/vfs_gpfs.c
+++ b/source3/modules/vfs_gpfs.c
@@ -348,6 +348,7 @@ static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
files_struct *fsp, uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl = NULL;
@@ -367,11 +368,11 @@ static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
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);
+ return smb_fget_nt_acl_nfs4(fsp, security_info, mem_ctx, ppdesc, pacl);
if (result > 0) {
DEBUG(10, ("retrying with posix acl...\n"));
- return posix_fget_nt_acl(fsp, security_info, ppdesc);
+ return posix_fget_nt_acl(fsp, security_info, mem_ctx, ppdesc);
}
/* GPFS ACL was not read, something wrong happened, error code is set in errno */
@@ -380,7 +381,8 @@ static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
const char *name,
- uint32 security_info, struct security_descriptor **ppdesc)
+ uint32 security_info,
+ TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl = NULL;
int result;
@@ -399,11 +401,13 @@ static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
result = gpfs_get_nfs4_acl(name, &pacl);
if (result == 0)
- return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
+ return smb_get_nt_acl_nfs4(handle->conn, name, security_info,
+ mem_ctx, ppdesc, pacl);
if (result > 0) {
DEBUG(10, ("retrying with posix acl...\n"));
- return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
+ return posix_get_nt_acl(handle->conn, name, security_info,
+ mem_ctx, ppdesc);
}
/* GPFS ACL was not read, something wrong happened, error code is set in errno */
diff --git a/source3/modules/vfs_media_harmony.c b/source3/modules/vfs_media_harmony.c
index a10eb5e5d3..360fca6929 100644
--- a/source3/modules/vfs_media_harmony.c
+++ b/source3/modules/vfs_media_harmony.c
@@ -2009,9 +2009,10 @@ out:
* In this case, "name" is a path.
*/
static NTSTATUS mh_get_nt_acl(vfs_handle_struct *handle,
- const char *name,
- uint32 security_info,
- struct security_descriptor **ppdesc)
+ const char *name,
+ uint32 security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
NTSTATUS status;
char *clientPath;
@@ -2021,7 +2022,8 @@ static NTSTATUS mh_get_nt_acl(vfs_handle_struct *handle,
if (!is_in_media_files(name))
{
status = SMB_VFS_NEXT_GET_NT_ACL(handle, name,
- security_info, ppdesc);
+ security_info,
+ mem_ctx, ppdesc);
goto out;
}
@@ -2037,7 +2039,8 @@ static NTSTATUS mh_get_nt_acl(vfs_handle_struct *handle,
}
status = SMB_VFS_NEXT_GET_NT_ACL(handle, clientPath,
- security_info, ppdesc);
+ security_info,
+ mem_ctx, ppdesc);
err:
TALLOC_FREE(clientPath);
out:
diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index 7c42052af7..1cf8e37ba4 100644
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -1188,6 +1188,7 @@ static int shadow_copy2_get_shadow_copy_data(
static NTSTATUS shadow_copy2_fget_nt_acl(vfs_handle_struct *handle,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
time_t timestamp;
@@ -1202,6 +1203,7 @@ static NTSTATUS shadow_copy2_fget_nt_acl(vfs_handle_struct *handle,
}
if (timestamp == 0) {
return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
+ mem_ctx,
ppdesc);
}
conv = shadow_copy2_convert(talloc_tos(), handle, stripped, timestamp);
@@ -1209,7 +1211,8 @@ static NTSTATUS shadow_copy2_fget_nt_acl(vfs_handle_struct *handle,
if (conv == NULL) {
return map_nt_error_from_unix(errno);
}
- status = SMB_VFS_NEXT_GET_NT_ACL(handle, conv, security_info, ppdesc);
+ status = SMB_VFS_NEXT_GET_NT_ACL(handle, conv, security_info,
+ mem_ctx, ppdesc);
TALLOC_FREE(conv);
return status;
}
@@ -1217,6 +1220,7 @@ static NTSTATUS shadow_copy2_fget_nt_acl(vfs_handle_struct *handle,
static NTSTATUS shadow_copy2_get_nt_acl(vfs_handle_struct *handle,
const char *fname,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
time_t timestamp;
@@ -1230,14 +1234,15 @@ static NTSTATUS shadow_copy2_get_nt_acl(vfs_handle_struct *handle,
}
if (timestamp == 0) {
return SMB_VFS_NEXT_GET_NT_ACL(handle, fname, security_info,
- ppdesc);
+ mem_ctx, ppdesc);
}
conv = shadow_copy2_convert(talloc_tos(), handle, stripped, timestamp);
TALLOC_FREE(stripped);
if (conv == NULL) {
return map_nt_error_from_unix(errno);
}
- status = SMB_VFS_NEXT_GET_NT_ACL(handle, conv, security_info, ppdesc);
+ status = SMB_VFS_NEXT_GET_NT_ACL(handle, conv, security_info,
+ mem_ctx, ppdesc);
TALLOC_FREE(conv);
return status;
}
diff --git a/source3/modules/vfs_time_audit.c b/source3/modules/vfs_time_audit.c
index b7d399b263..6ff1a5571d 100644
--- a/source3/modules/vfs_time_audit.c
+++ b/source3/modules/vfs_time_audit.c
@@ -1671,6 +1671,7 @@ static NTSTATUS smb_time_audit_translate_name(struct vfs_handle_struct *handle,
static NTSTATUS smb_time_audit_fget_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
NTSTATUS result;
@@ -1678,7 +1679,8 @@ static NTSTATUS smb_time_audit_fget_nt_acl(vfs_handle_struct *handle,
double timediff;
clock_gettime_mono(&ts1);
- result = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
+ result = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
+ mem_ctx, ppdesc);
clock_gettime_mono(&ts2);
timediff = nsec_time_diff(&ts2,&ts1)*1.0e-9;
@@ -1692,6 +1694,7 @@ static NTSTATUS smb_time_audit_fget_nt_acl(vfs_handle_struct *handle,
static NTSTATUS smb_time_audit_get_nt_acl(vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
NTSTATUS result;
@@ -1699,7 +1702,8 @@ static NTSTATUS smb_time_audit_get_nt_acl(vfs_handle_struct *handle,
double timediff;
clock_gettime_mono(&ts1);
- result = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
+ result = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info,
+ mem_ctx, ppdesc);
clock_gettime_mono(&ts2);
timediff = nsec_time_diff(&ts2,&ts1)*1.0e-9;
diff --git a/source3/modules/vfs_zfsacl.c b/source3/modules/vfs_zfsacl.c
index 7858a6a475..bf06881462 100644
--- a/source3/modules/vfs_zfsacl.c
+++ b/source3/modules/vfs_zfsacl.c
@@ -192,14 +192,16 @@ static NTSTATUS zfs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
}
static NTSTATUS zfsacl_fget_nt_acl(struct vfs_handle_struct *handle,
- struct files_struct *fsp,
- uint32 security_info,
- struct security_descriptor **ppdesc)
+ struct files_struct *fsp,
+ uint32 security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl;
NTSTATUS status;
- status = zfs_get_nt_acl_common(fsp->fsp_name->base_name, security_info,
+ status = zfs_get_nt_acl_common(fsp->fsp_name->base_name,
+ mem_ctx, security_info,
&pacl);
if (!NT_STATUS_IS_OK(status)) {
return status;
@@ -209,8 +211,9 @@ static NTSTATUS zfsacl_fget_nt_acl(struct vfs_handle_struct *handle,
}
static NTSTATUS zfsacl_get_nt_acl(struct vfs_handle_struct *handle,
- const char *name, uint32 security_info,
- struct security_descriptor **ppdesc)
+ const char *name, uint32 security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
SMB4ACL_T *pacl;
NTSTATUS status;
@@ -220,7 +223,8 @@ static NTSTATUS zfsacl_get_nt_acl(struct vfs_handle_struct *handle,
return status;
}
- return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc,
+ return smb_get_nt_acl_nfs4(handle->conn, name, security_info,
+ mem_ctx, ppdesc,
pacl);
}
diff --git a/source3/rpc_server/srvsvc/srv_srvsvc_nt.c b/source3/rpc_server/srvsvc/srv_srvsvc_nt.c
index 982b0b479b..0249ef5661 100644
--- a/source3/rpc_server/srvsvc/srv_srvsvc_nt.c
+++ b/source3/rpc_server/srvsvc/srv_srvsvc_nt.c
@@ -2185,15 +2185,22 @@ WERROR _srvsvc_NetGetFileSecurity(struct pipes_struct *p,
goto error_exit;
}
+ sd_buf = talloc_zero(p->mem_ctx, struct sec_desc_buf);
+ if (!sd_buf) {
+ werr = WERR_NOMEM;
+ goto error_exit;
+ }
+
nt_status = SMB_VFS_FGET_NT_ACL(fsp,
(SECINFO_OWNER
|SECINFO_GROUP
- |SECINFO_DACL), &psd);
+ |SECINFO_DACL), sd_buf, &sd_buf->sd);
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(3,("_srvsvc_NetGetFileSecurity: Unable to get NT ACL "
"for file %s\n", smb_fname_str_dbg(smb_fname)));
werr = ntstatus_to_werror(nt_status);
+ TALLOC_FREE(sd_buf);
goto error_exit;
}
@@ -2203,14 +2210,7 @@ WERROR _srvsvc_NetGetFileSecurity(struct pipes_struct *p,
sd_size = ndr_size_security_descriptor(psd, 0);
- sd_buf = talloc_zero(p->mem_ctx, struct sec_desc_buf);
- if (!sd_buf) {
- werr = WERR_NOMEM;
- goto error_exit;
- }
-
sd_buf->sd_size = sd_size;
- sd_buf->sd = talloc_move(p->mem_ctx, &psd);
*r->out.sd_buf = sd_buf;
diff --git a/source3/smbd/file_access.c b/source3/smbd/file_access.c
index 015679deb0..0e74207b84 100644
--- a/source3/smbd/file_access.c
+++ b/source3/smbd/file_access.c
@@ -151,11 +151,11 @@ bool can_write_to_file(connection_struct *conn,
bool directory_has_default_acl(connection_struct *conn, const char *fname)
{
- /* returns talloced off tos. */
struct security_descriptor *secdesc = NULL;
unsigned int i;
NTSTATUS status = SMB_VFS_GET_NT_ACL(conn, fname,
- SECINFO_DACL, &secdesc);
+ SECINFO_DACL, talloc_tos(),
+ &secdesc);
if (!NT_STATUS_IS_OK(status) ||
secdesc == NULL ||
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 6848d10397..1011bd7025 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -1907,6 +1907,7 @@ NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
{
NTSTATUS status;
struct security_descriptor *psd = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
/*
* Get the permissions to return.
@@ -1932,13 +1933,13 @@ NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
}
if (!lp_nt_acl_support(SNUM(conn))) {
- status = get_null_nt_acl(mem_ctx, &psd);
+ status = get_null_nt_acl(frame, &psd);
} else if (security_info_wanted & SECINFO_LABEL) {
/* Like W2K3 return a null object. */
- status = get_null_nt_acl(mem_ctx, &psd);
+ status = get_null_nt_acl(frame, &psd);
} else {
status = SMB_VFS_FGET_NT_ACL(
- fsp, security_info_wanted, &psd);
+ fsp, security_info_wanted, frame, &psd);
}
if (!NT_STATUS_IS_OK(status)) {
return status;
@@ -1989,7 +1990,7 @@ NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
}
if (max_data_count < *psd_size) {
- TALLOC_FREE(psd);
+ TALLOC_FREE(frame);
return NT_STATUS_BUFFER_TOO_SMALL;
}
@@ -1997,11 +1998,11 @@ NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
ppmarshalled_sd, psd_size);
if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(psd);
+ TALLOC_FREE(frame);
return status;
}
- TALLOC_FREE(psd);
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
diff --git a/source3/smbd/open.c b/source3/smbd/open.c
index d4babd40f7..efabe4a480 100644
--- a/source3/smbd/open.c
+++ b/source3/smbd/open.c
@@ -115,7 +115,7 @@ NTSTATUS smbd_check_access_rights(struct connection_struct *conn,
status = SMB_VFS_GET_NT_ACL(conn, smb_fname->base_name,
(SECINFO_OWNER |
SECINFO_GROUP |
- SECINFO_DACL),&sd);
+ SECINFO_DACL), talloc_tos(), &sd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("smbd_check_access_rights: Could not get acl "
@@ -237,6 +237,7 @@ static NTSTATUS check_parent_access(struct connection_struct *conn,
status = SMB_VFS_GET_NT_ACL(conn,
parent_dir,
SECINFO_DACL,
+ talloc_tos(),
&parent_sd);
if (!NT_STATUS_IS_OK(status)) {
@@ -1683,7 +1684,8 @@ static NTSTATUS smbd_calculate_maximum_allowed_access(
status = SMB_VFS_GET_NT_ACL(conn, smb_fname->base_name,
(SECINFO_OWNER |
SECINFO_GROUP |
- SECINFO_DACL),&sd);
+ SECINFO_DACL),
+ talloc_tos(), &sd);
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
/*
@@ -3425,7 +3427,7 @@ NTSTATUS open_streams_for_delete(connection_struct *conn,
static NTSTATUS inherit_new_acl(files_struct *fsp)
{
- TALLOC_CTX *ctx = talloc_tos();
+ TALLOC_CTX *frame = talloc_stackframe();
char *parent_name = NULL;
struct security_descriptor *parent_desc = NULL;
NTSTATUS status = NT_STATUS_OK;
@@ -3437,14 +3439,15 @@ static NTSTATUS inherit_new_acl(files_struct *fsp)
bool inheritable_components = false;
size_t size = 0;
- if (!parent_dirname(ctx, fsp->fsp_name->base_name, &parent_name, NULL)) {
+ if (!parent_dirname(frame, fsp->fsp_name->base_name, &parent_name, NULL)) {
return NT_STATUS_NO_MEMORY;
}
status = SMB_VFS_GET_NT_ACL(fsp->conn,
- parent_name,
- (SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL),
- &parent_desc);
+ parent_name,
+ (SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL),
+ frame,
+ &parent_desc);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
@@ -3453,6 +3456,7 @@ static NTSTATUS inherit_new_acl(files_struct *fsp)
fsp->is_directory);
if (!inheritable_components && !inherit_owner) {
+ TALLOC_FREE(frame);
/* Nothing to inherit and not setting owner. */
return NT_STATUS_OK;
}
@@ -3478,7 +3482,7 @@ static NTSTATUS inherit_new_acl(files_struct *fsp)
group_sid = &fsp->conn->session_info->security_token->sids[PRIMARY_GROUP_SID_INDEX];
}
- status = se_create_child_secdesc(ctx,
+ status = se_create_child_secdesc(frame,
&psd,
&size,
parent_desc,
@@ -3486,6 +3490,7 @@ static NTSTATUS inherit_new_acl(files_struct *fsp)
group_sid,
fsp->is_directory);
if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
return status;
}
@@ -3516,6 +3521,7 @@ static NTSTATUS inherit_new_acl(files_struct *fsp)
if (inherit_owner) {
unbecome_root();
}
+ TALLOC_FREE(frame);
return status;
}
diff --git a/source3/smbd/posix_acls.c b/source3/smbd/posix_acls.c
index c535502efe..05cd2a740d 100644
--- a/source3/smbd/posix_acls.c
+++ b/source3/smbd/posix_acls.c
@@ -3389,6 +3389,7 @@ static NTSTATUS posix_get_nt_acl_common(struct connection_struct *conn,
SMB_ACL_T posix_acl,
SMB_ACL_T def_acl,
uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
struct dom_sid owner_sid;
@@ -3601,7 +3602,7 @@ static NTSTATUS posix_get_nt_acl_common(struct connection_struct *conn,
}
} /* security_info & SECINFO_DACL */
- psd = make_standard_sec_desc( talloc_tos(),
+ psd = make_standard_sec_desc(mem_ctx,
(security_info & SECINFO_OWNER) ? &owner_sid : NULL,
(security_info & SECINFO_GROUP) ? &group_sid : NULL,
psa,
@@ -3652,11 +3653,14 @@ static NTSTATUS posix_get_nt_acl_common(struct connection_struct *conn,
}
NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
SMB_STRUCT_STAT sbuf;
SMB_ACL_T posix_acl = NULL;
struct pai_val *pal;
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS status;
*ppdesc = NULL;
@@ -3665,33 +3669,42 @@ NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
/* can it happen that fsp_name == NULL ? */
if (fsp->is_directory || fsp->fh->fd == -1) {
- return posix_get_nt_acl(fsp->conn, fsp->fsp_name->base_name,
- security_info, ppdesc);
+ status = posix_get_nt_acl(fsp->conn, fsp->fsp_name->base_name,
+ security_info, mem_ctx, ppdesc);
+ TALLOC_FREE(frame);
+ return status;
}
/* Get the stat struct for the owner info. */
if(SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
+ TALLOC_FREE(frame);
return map_nt_error_from_unix(errno);
}
/* Get the ACL from the fd. */
- posix_acl = SMB_VFS_SYS_ACL_GET_FD(fsp, talloc_tos());
+ posix_acl = SMB_VFS_SYS_ACL_GET_FD(fsp, frame);
pal = fload_inherited_info(fsp);
- return posix_get_nt_acl_common(fsp->conn, fsp->fsp_name->base_name,
- &sbuf, pal, posix_acl, NULL,
- security_info, ppdesc);
+ status = posix_get_nt_acl_common(fsp->conn, fsp->fsp_name->base_name,
+ &sbuf, pal, posix_acl, NULL,
+ security_info, mem_ctx, ppdesc);
+ TALLOC_FREE(frame);
+ return status;
}
NTSTATUS posix_get_nt_acl(struct connection_struct *conn, const char *name,
- uint32_t security_info, struct security_descriptor **ppdesc)
+ uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
{
SMB_ACL_T posix_acl = NULL;
SMB_ACL_T def_acl = NULL;
struct pai_val *pal;
struct smb_filename smb_fname;
int ret;
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS status;
*ppdesc = NULL;
@@ -3708,26 +3721,29 @@ NTSTATUS posix_get_nt_acl(struct connection_struct *conn, const char *name,
}
if (ret == -1) {
+ TALLOC_FREE(frame);
return map_nt_error_from_unix(errno);
}
/* Get the ACL from the path. */
posix_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, name,
- SMB_ACL_TYPE_ACCESS, talloc_tos());
+ SMB_ACL_TYPE_ACCESS, frame);
/* If it's a directory get the default POSIX ACL. */
if(S_ISDIR(smb_fname.st.st_ex_mode)) {
def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, name,
- SMB_ACL_TYPE_DEFAULT,
- talloc_tos());
+ SMB_ACL_TYPE_DEFAULT, frame);
def_acl = free_empty_sys_acl(conn, def_acl);
}
pal = load_inherited_info(conn, name);
- return posix_get_nt_acl_common(conn, name, &smb_fname.st, pal,
- posix_acl, def_acl, security_info,
- ppdesc);
+ status = posix_get_nt_acl_common(conn, name, &smb_fname.st, pal,
+ posix_acl, def_acl, security_info,
+ mem_ctx,
+ ppdesc);
+ TALLOC_FREE(frame);
+ return status;
}
/****************************************************************************
@@ -4953,7 +4969,7 @@ bool set_unix_posix_acl(connection_struct *conn, files_struct *fsp, const char *
struct security_descriptor *get_nt_acl_no_snum( TALLOC_CTX *ctx, const char *fname, uint32 security_info_wanted)
{
- struct security_descriptor *psd, *ret_sd;
+ struct security_descriptor *ret_sd;
connection_struct *conn;
files_struct finfo;
struct fd_handle fh;
@@ -4999,7 +5015,9 @@ struct security_descriptor *get_nt_acl_no_snum( TALLOC_CTX *ctx, const char *fna
return NULL;
}
- if (!NT_STATUS_IS_OK(SMB_VFS_FGET_NT_ACL( &finfo, security_info_wanted, &psd))) {
+ if (!NT_STATUS_IS_OK(SMB_VFS_FGET_NT_ACL( &finfo,
+ security_info_wanted,
+ ctx, &ret_sd))) {
DEBUG(0,("get_nt_acl_no_snum: get_nt_acl returned zero.\n"));
TALLOC_FREE(finfo.fsp_name);
conn_free(conn);
@@ -5007,8 +5025,6 @@ struct security_descriptor *get_nt_acl_no_snum( TALLOC_CTX *ctx, const char *fna
return NULL;
}
- ret_sd = dup_sec_desc( ctx, psd );
-
TALLOC_FREE(finfo.fsp_name);
conn_free(conn);
TALLOC_FREE(frame);
diff --git a/source3/smbd/proto.h b/source3/smbd/proto.h
index 143da491e0..1e5883b039 100644
--- a/source3/smbd/proto.h
+++ b/source3/smbd/proto.h
@@ -714,9 +714,12 @@ NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, ui
bool current_user_in_group(connection_struct *conn, gid_t gid);
SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc);
NTSTATUS posix_get_nt_acl(struct connection_struct *conn, const char *name,
- uint32_t security_info, struct security_descriptor **ppdesc);
+ uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc);
NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
NTSTATUS append_parent_acl(files_struct *fsp,
const struct security_descriptor *pcsd,
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index 182e334ade..3a95c588c5 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -2165,20 +2165,22 @@ NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
struct files_struct *fsp,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
VFS_FIND(fget_nt_acl);
return handle->fns->fget_nt_acl_fn(handle, fsp, security_info,
- ppdesc);
+ mem_ctx, ppdesc);
}
NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
const char *name,
uint32 security_info,
+ TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc)
{
VFS_FIND(get_nt_acl);
- return handle->fns->get_nt_acl_fn(handle, name, security_info, ppdesc);
+ return handle->fns->get_nt_acl_fn(handle, name, security_info, mem_ctx, ppdesc);
}
NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
diff --git a/source3/torture/cmd_vfs.c b/source3/torture/cmd_vfs.c
index 7755f8ac2a..a37c9fc7a7 100644
--- a/source3/torture/cmd_vfs.c
+++ b/source3/torture/cmd_vfs.c
@@ -1374,7 +1374,9 @@ static NTSTATUS cmd_fget_nt_acl(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
return NT_STATUS_OK;
}
- status = SMB_VFS_FGET_NT_ACL(vfs->files[fd], SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL, &sd);
+ status = SMB_VFS_FGET_NT_ACL(vfs->files[fd],
+ SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL,
+ talloc_tos(), &sd);
if (!NT_STATUS_IS_OK(status)) {
printf("fget_nt_acl returned (%s)\n", nt_errstr(status));
return status;
@@ -1395,7 +1397,9 @@ static NTSTATUS cmd_get_nt_acl(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
return NT_STATUS_OK;
}
- status = SMB_VFS_GET_NT_ACL(vfs->conn, argv[1], SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL, &sd);
+ status = SMB_VFS_GET_NT_ACL(vfs->conn, argv[1],
+ SECINFO_OWNER | SECINFO_GROUP | SECINFO_DACL,
+ talloc_tos(), &sd);
if (!NT_STATUS_IS_OK(status)) {
printf("get_nt_acl returned (%s)\n", nt_errstr(status));
return status;