diff options
Diffstat (limited to 'epan/dissectors/pidl/winreg/winreg.cnf')
| -rw-r--r-- | epan/dissectors/pidl/winreg/winreg.cnf | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/epan/dissectors/pidl/winreg/winreg.cnf b/epan/dissectors/pidl/winreg/winreg.cnf new file mode 100644 index 0000000000..eb658d3b1a --- /dev/null +++ b/epan/dissectors/pidl/winreg/winreg.cnf @@ -0,0 +1,229 @@ +TYPE lsa_StringLarge "offset=lsarpc_dissect_struct_lsa_StringLarge(tvb, offset, pinfo, tree, di, drep, @HF@, @PARAM@);" FT_NONE BASE_NONE 0 NULL NULL +TYPE winreg_Type "offset=misc_dissect_enum_winreg_Type(tvb, offset, pinfo, tree, di, drep, @HF@, @PARAM@);" FT_NONE BASE_NONE 0 NULL NULL +IMPORT security_secinfo offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, di, drep, hf_winreg_winreg_GetKeySecurity_sec_info, NULL); + +# +# Make all instances of an access mask use the same hf field display filter +# name +# +HF_FIELD hf_winreg_access_mask "Access Mask" "winreg.access_mask" FT_UINT32 BASE_HEX NULL 0 "" "" "" +HF_RENAME hf_winreg_winreg_OpenHKCR_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKLM_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKU_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_CreateKey_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKCC_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKDD_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKPT_access_mask hf_winreg_access_mask +HF_RENAME hf_winreg_winreg_OpenHKPN_access_mask hf_winreg_access_mask + + +# +# Make all instances of a system name use the same hf display filter name +# +HF_FIELD hf_winreg_system_name "System Name" "winreg.system_name" FT_UINT16 BASE_DEC NULL 0 "" "" "" +HF_RENAME hf_winreg_winreg_OpenHKCR_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKCU_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKLM_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKPD_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKU_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKCC_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKDD_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKPT_system_name hf_winreg_system_name +HF_RENAME hf_winreg_winreg_OpenHKPN_system_name hf_winreg_system_name + + +# +# make all policyhandles use the same hf display filter name +# +HF_FIELD hf_winreg_handle "Handle" "winreg.handle" FT_BYTES BASE_NONE NULL 0 "" "" "" +HF_RENAME hf_winreg_winreg_OpenHKCR_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKCU_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKLM_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKPD_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKU_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_CloseKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_CreateKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_DeleteKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_DeleteValue_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_EnumKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_EnumValue_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_FlushKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_GetKeySecurity_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_LoadKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_NotifyChangeKeyValue_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_QueryInfoKey_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_QueryValue_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_SetKeySecurity_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_SetValue_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_GetVersion_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKCC_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKDD_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKPT_handle hf_winreg_handle +HF_RENAME hf_winreg_winreg_OpenHKPN_handle hf_winreg_handle + + + +# +# Make both instances of KeySecurityData resolve to the same +# hf display filter field. +# +HF_FIELD hf_winreg_sd "KeySecurityData" "winreg.sd" FT_NONE BASE_NONE NULL 0 "" "" "" +HF_RENAME hf_winreg_winreg_GetKeySecurity_sd hf_winreg_sd +HF_RENAME hf_winreg_winreg_SetKeySecurity_sd hf_winreg_sd + + + +# +# policyhandle tracking +# This block is to specify where a policyhandle is opened and where it is +# closed so that policyhandles when dissected contain nice info such as +# [opened in xxx] [closed in yyy] +# +# Policyhandles are opened in these functions +PARAM_VALUE winreg_dissect_element_OpenHKCR_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKCU_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKLM_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKPD_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKU_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKCC_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKDD_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKPT_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenHKPN_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_CreateKey_new_handle_ PIDL_POLHND_OPEN +PARAM_VALUE winreg_dissect_element_OpenKey_handle_ PIDL_POLHND_OPEN +# Policyhandles are closed in these functions +PARAM_VALUE winreg_dissect_element_CloseKey_handle_ PIDL_POLHND_CLOSE + + +# winreg_String +# +# Create a new type to handle winreg_String so that we can get nice and +# pretty dissection of the strings contained within winreg +TYPE winreg_String "offset=cnf_dissect_winreg_String(tvb, offset, pinfo, tree, di, drep, @PARAM@, @HF@);" FT_STRING BASE_NONE 0 NULL 4 +# +# +# +PARAM_VALUE winreg_dissect_element_CreateKey_name 2|PIDL_SET_COL_INFO +PARAM_VALUE winreg_dissect_element_DeleteKey_key 2|PIDL_SET_COL_INFO +PARAM_VALUE winreg_dissect_element_LoadKey_keyname 2|PIDL_SET_COL_INFO +PARAM_VALUE winreg_dissect_element_OpenKey_keyname 2|PIDL_SET_COL_INFO|PIDL_STR_SAVE +PARAM_VALUE winreg_dissect_element_QueryValue_value_name 2|PIDL_SET_COL_INFO +PARAM_VALUE winreg_dissect_element_SaveKey_filename 2|PIDL_SET_COL_INFO +PARAM_VALUE winreg_dissect_element_SetValue_name 2|PIDL_SET_COL_INFO + +# +# Override the generation of dissectors of the security descriptor and the +# access mask. +# The security descriptor is just an array of bytes in the idl file +# so we override generation of it and calls the proper wireshark dissector +# after manually eating the 12 bytes of conformance data. +# +# Same for the access mask dissector since the idl would only define those +# flag bits that are specific to WINREG therefore we set up the appropriate +# structures and then call the wireshark accessmask dissector instead. +# +# +HF_FIELD hf_winreg_sd_max_size "Max Size" "winreg.sd.max_size" FT_UINT32 BASE_DEC NULL 0 "" "" "" +HF_FIELD hf_winreg_sd_offset "Offset" "winreg.sd.offset" FT_UINT32 BASE_DEC NULL 0 "" "" "" +HF_FIELD hf_winreg_sd_actual_size "Actual Size" "winreg.sd.actual_size" FT_UINT32 BASE_DEC NULL 0 "" "" "" +NOEMIT winreg_dissect_element_KeySecurityData_data__ +MANUAL winreg_dissect_element_KeySecurityData_data_ +MANUAL winreg_dissect_bitmap_AccessMask + + + +CODE START + #include "packet-dcerpc-lsa.h" +static void +winreg_specific_rights(tvbuff_t *tvb, gint offset, proto_tree *tree, guint32 access) +{ + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_WOW64_32KEY, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_WOW64_64KEY, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_CREATE_LINK, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_NOTIFY, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_ENUMERATE_SUB_KEYS, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_CREATE_SUB_KEY, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_SET_VALUE, tvb, offset, 4, access); + proto_tree_add_boolean(tree, hf_winreg_winreg_AccessMask_KEY_QUERY_VALUE, tvb, offset, 4, access); +} + +struct access_mask_info winreg_access_mask_info = { + "WINREG", /* Name of specific rights */ + winreg_specific_rights, /* Dissection function */ + NULL, /* Generic mapping table */ + NULL /* Standard mapping table */ +}; + +static int +winreg_dissect_element_KeySecurityData_data_(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info* di, guint8 *drep) +{ + guint32 len; + + if(di->conformant_run){ + /*just a run to handle conformant arrays, nothing to dissect */ + return offset; + } + + /* this is a varying and conformant array */ + offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_winreg_sd_max_size, NULL); + offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_winreg_sd_offset, NULL); + offset = dissect_ndr_uint32 (tvb, offset, pinfo, tree, di, drep, hf_winreg_sd_actual_size, &len); + + dissect_nt_sec_desc(tvb, offset, pinfo, tree, drep, TRUE, len, + &winreg_access_mask_info); + + offset += len; + + return offset; +} + +int +winreg_dissect_bitmap_AccessMask(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info* di, guint8 *drep, int hf_index _U_, guint32 param _U_) +{ + offset = dissect_nt_access_mask( + tvb, offset, pinfo, tree, di, drep, hf_winreg_access_mask, + &winreg_access_mask_info, NULL); + return offset; +} + +/* winreg_String : + * typedef [public,noejs] struct { + * [value(strlen_m_term(name)*2)] uint16 name_len; + * [value(strlen_m_term(name)*2)] uint16 name_size; + * [string,charset(UTF16)] uint16 *name; + * } winreg_String; + */ +static int +cnf_dissect_winreg_String(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, dcerpc_info* di, guint8 *drep, guint32 param, int hfindex) +{ + proto_item *item = NULL; + proto_tree *tree = NULL; + int old_offset; + header_field_info *hf_info; + + ALIGN_TO_4_BYTES; + + old_offset = offset; + hf_info=proto_registrar_get_nth(hfindex); + + if (parent_tree) { + tree = proto_tree_add_subtree_format(parent_tree, tvb, offset, 0, ett_winreg_winreg_String, &item, "%s: ", hf_info->name); + } + + offset = winreg_dissect_element_String_name_len(tvb, offset, pinfo, tree, di, drep); + + offset = winreg_dissect_element_String_name_size(tvb, offset, pinfo, tree, di, drep); + + offset = dissect_ndr_pointer_cb( + tvb, offset, pinfo, tree, di, drep, + dissect_ndr_wchar_cvstring, NDR_POINTER_UNIQUE, + hf_info->name, hfindex, cb_wstr_postprocess, + GINT_TO_POINTER(param)); + + proto_item_set_len(item, offset-old_offset); + + return offset; +} + +CODE END |