sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-02-26 21:57:41 +03:00
Code

s3:smbd: add support for marshalling SMB2 FileFullEaInformation

Browse Source 
metze
This commit is contained in:
Stefan Metzmacher 2009-07-12 16:40:58 +02:00
parent e9865150df
commit 64221bc3fa
1 changed files with 92 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
source3/smbd/trans2.c
View File

@ -367,6 +367,69 @@ static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned in
return ret_data_size;
}
static NTSTATUS fill_ea_chained_buffer(TALLOC_CTX *mem_ctx,
char *pdata,
unsigned int total_data_size,
unsigned int *ret_data_size,
connection_struct *conn,
struct ea_list *ea_list)
{
uint8_t *p = (uint8_t *)pdata;
uint8_t *last_start = NULL;
*ret_data_size = 0;
if (!lp_ea_support(SNUM(conn))) {
return NT_STATUS_NO_EAS_ON_FILE;
}
for (; ea_list; ea_list = ea_list->next) {
size_t dos_namelen;
fstring dos_ea_name;
size_t this_size;
if (last_start) {
SIVAL(last_start, 0, PTR_DIFF(p, last_start));
}
last_start = p;
push_ascii_fstring(dos_ea_name, ea_list->ea.name);
dos_namelen = strlen(dos_ea_name);
if (dos_namelen > 255 || dos_namelen == 0) {
return NT_STATUS_INTERNAL_ERROR;
}
if (ea_list->ea.value.length > 65535) {
return NT_STATUS_INTERNAL_ERROR;
}
this_size = 0x08 + dos_namelen + 1 + ea_list->ea.value.length;
if (ea_list->next) {
size_t pad = 4 - (this_size % 4);
this_size += pad;
}
if (this_size > total_data_size) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
/* We know we have room. */
SIVAL(p, 0x00, 0); /* next offset */
SCVAL(p, 0x04, ea_list->ea.flags);
SCVAL(p, 0x05, dos_namelen);
SSVAL(p, 0x06, ea_list->ea.value.length);
fstrcpy((char *)(p+0x08), dos_ea_name);
memcpy(p + 0x08 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
total_data_size -= this_size;
p += this_size;
}
*ret_data_size = PTR_DIFF(p, pdata);
DEBUG(10,("fill_ea_chained_buffer: data_size = %u\n", *ret_data_size));
return NT_STATUS_OK;
}
static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
{
size_t total_ea_len = 0;
@ -4105,6 +4168,35 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
break;
}
case 0xFF0F:/*SMB2_INFO_QUERY_ALL_EAS*/
{
/* We have data_size bytes to put EA's into. */
size_t total_ea_len = 0;
struct ea_list *ea_file_list = NULL;
DEBUG(10,("smbd_do_qfilepathinfo: SMB2_INFO_QUERY_ALL_EAS\n"));
/*TODO: add filtering and index handling */
ea_file_list = get_ea_list_from_file(mem_ctx,
conn, fsp,
fname,
&total_ea_len);
if (!ea_file_list) {
return NT_STATUS_NO_EAS_ON_FILE;
}
status = fill_ea_chained_buffer(mem_ctx,
pdata,
data_size,
&data_size,
conn, ea_file_list);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
break;
}
case SMB_FILE_BASIC_INFORMATION:
case SMB_QUERY_FILE_BASIC_INFO: