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Diffstat (limited to 'source3/smbd/trans2.c')
-rw-r--r--source3/smbd/trans2.c112
1 files changed, 77 insertions, 35 deletions
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 0be45d01f9..2bc85bf550 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -312,8 +312,8 @@ NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
Return a linked list of the total EA's. Plus the total size
****************************************************************************/
-static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
- const char *fname, size_t *pea_total_len)
+static NTSTATUS get_ea_list_from_file_path(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
+ const char *fname, size_t *pea_total_len, struct ea_list **ea_list)
{
/* Get a list of all xattrs. Max namesize is 64k. */
size_t i, num_names;
@@ -323,15 +323,16 @@ static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_str
*pea_total_len = 0;
- if (!lp_ea_support(SNUM(conn))) {
- return NULL;
- }
-
status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
&names, &num_names);
- if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
- return NULL;
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (num_names == 0) {
+ *ea_list = NULL;
+ return NT_STATUS_OK;
}
for (i=0; i<num_names; i++) {
@@ -344,13 +345,15 @@ static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_str
listp = talloc(mem_ctx, struct ea_list);
if (listp == NULL) {
- return NULL;
+ return NT_STATUS_NO_MEMORY;
}
- if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
- fname, names[i],
- &listp->ea))) {
- return NULL;
+ status = get_ea_value(mem_ctx, conn, fsp,
+ fname, names[i],
+ &listp->ea);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
push_ascii_fstring(dos_ea_name, listp->ea.name);
@@ -374,7 +377,25 @@ static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_str
DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
(unsigned int)*pea_total_len));
- return ea_list_head;
+ *ea_list = ea_list_head;
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
+ const struct smb_filename *smb_fname, size_t *pea_total_len, struct ea_list **ea_list)
+{
+ *pea_total_len = 0;
+ *ea_list = NULL;
+
+ if (!lp_ea_support(SNUM(conn))) {
+ return NT_STATUS_OK;
+ }
+
+ if (is_ntfs_stream_smb_fname(smb_fname)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ return get_ea_list_from_file_path(mem_ctx, conn, fsp, smb_fname->base_name, pea_total_len, ea_list);
}
/****************************************************************************
@@ -494,8 +515,7 @@ static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp,
{
size_t total_ea_len = 0;
TALLOC_CTX *mem_ctx;
- NTSTATUS status;
- char *fname;
+ struct ea_list *ea_list;
if (!lp_ea_support(SNUM(conn))) {
return 0;
@@ -504,11 +524,12 @@ static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp,
/* If this is a stream fsp, then we need to instead find the
* estimated ea len from the main file, not the stream
- * (streams cannot have EAs) */
+ * (streams cannot have EAs), but the estimate isn't just 0 in
+ * this case! */
if (is_ntfs_stream_smb_fname(smb_fname)) {
fsp = NULL;
}
- (void)get_ea_list_from_file(mem_ctx, conn, fsp, smb_fname->base_name, &total_ea_len);
+ (void)get_ea_list_from_file_path(mem_ctx, conn, fsp, smb_fname->base_name, &total_ea_len, &ea_list);
TALLOC_FREE(mem_ctx);
return total_ea_len;
}
@@ -521,7 +542,11 @@ static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, con
{
size_t total_ea_len;
TALLOC_CTX *mem_ctx = talloc_tos();
- struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
+ struct ea_list *ea_list;
+ NTSTATUS status = get_ea_list_from_file_path(mem_ctx, conn, fsp, fname, &total_ea_len, &ea_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ return;
+ }
for (; ea_list; ea_list = ea_list->next) {
if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
@@ -552,7 +577,11 @@ NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
return status;
}
- /* For now setting EAs on streams isn't supported. */
+ /* Setting EAs on streams isn't supported. */
+ if (is_ntfs_stream_smb_fname(smb_fname)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
fname = smb_fname->base_name;
for (;ea_list; ea_list = ea_list->next) {
@@ -1694,6 +1723,7 @@ static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
{
struct ea_list *file_list = NULL;
size_t ea_len = 0;
+ NTSTATUS status;
DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_LIST\n"));
if (!name_list) {
@@ -1711,9 +1741,12 @@ static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
SSVAL(p,20,mode);
p += 22; /* p now points to the EA area. */
- file_list = get_ea_list_from_file(ctx, conn, NULL,
- smb_fname->base_name,
- &ea_len);
+ status = get_ea_list_from_file(ctx, conn, NULL,
+ smb_fname,
+ &ea_len, &file_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ file_list = NULL;
+ }
name_list = ea_list_union(name_list, file_list, &ea_len);
/* We need to determine if this entry will fit in the space available. */
@@ -4445,13 +4478,16 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
{
size_t total_ea_len = 0;
struct ea_list *ea_file_list = NULL;
-
DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
- ea_file_list =
+ status =
get_ea_list_from_file(mem_ctx, conn, fsp,
- smb_fname->base_name,
- &total_ea_len);
+ smb_fname,
+ &total_ea_len, &ea_file_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
if (!ea_list || (total_ea_len > data_size)) {
@@ -4468,12 +4504,15 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
{
/* We have data_size bytes to put EA's into. */
size_t total_ea_len = 0;
-
DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
- ea_list = get_ea_list_from_file(mem_ctx, conn, fsp,
- smb_fname->base_name,
- &total_ea_len);
+ status = get_ea_list_from_file(mem_ctx, conn, fsp,
+ smb_fname,
+ &total_ea_len, &ea_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
if (!ea_list || (total_ea_len > data_size)) {
data_size = 4;
SIVAL(pdata,0,4); /* EA List Length must be set to 4 if no EA's. */
@@ -4497,10 +4536,13 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
/*TODO: add filtering and index handling */
- ea_file_list =
- get_ea_list_from_file(mem_ctx, conn, fsp,
- smb_fname->base_name,
- &total_ea_len);
+ status =
+ get_ea_list_from_file(mem_ctx, conn, fsp,
+ smb_fname,
+ &total_ea_len, &ea_file_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
if (!ea_file_list) {
return NT_STATUS_NO_EAS_ON_FILE;
}
generated by cgit (git 2.34.1) at 2024-11-24 20:46:34 +0000