diff options
| -rw-r--r-- | source3/smbd/trans2.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c index f13c2f0338..6554fb67b7 100644 --- a/source3/smbd/trans2.c +++ b/source3/smbd/trans2.c @@ -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: |