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-rw-r--r--src/port/ntapi_port_name_helper.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/port/ntapi_port_name_helper.c b/src/port/ntapi_port_name_helper.c
index e55ffba..ae36c86 100644
--- a/src/port/ntapi_port_name_helper.c
+++ b/src/port/ntapi_port_name_helper.c
@@ -167,3 +167,147 @@ void __stdcall __ntapi_tt_port_name_from_attributes(
return;
}
+
+
+static int32_t __tt_port_attr_from_name(
+ __out nt_port_attr * attr,
+ __in const nt_port_name * name)
+{
+ int i;
+ int type;
+ int32_t status;
+ const wchar16_t bno[] = __NT_BASED_NAMED_OBJECTS;
+
+ /* base named objects */
+ if (__ntapi->tt_strncmp_utf16(
+ name->base_named_objects,
+ bno,sizeof(bno)))
+ return NT_STATUS_INVALID_PARAMETER;
+
+ /* service prefix */
+ for (i=0, type=-1; i<NT_PORT_TYPE_CAP && type<0; i++)
+ if (!(__ntapi->tt_strncmp_utf16(
+ name->svc_prefix,
+ __port_service_prefixes[i][0],
+ sizeof(__port_service_prefix))))
+ type = i;
+
+ if (type < 0)
+ return NT_STATUS_INVALID_PARAMETER;
+
+ /* port guid */
+ if ((status = __ntapi->tt_string_to_guid_utf16(
+ (nt_guid_str_utf16 *)&name->port_guid,
+ &attr->guid)))
+ return status;
+
+ /* port keys */
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_1st,
+ &attr->keys.key[0])))
+ return status;
+
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_2nd,
+ &attr->keys.key[1])))
+ return status;
+
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_3rd,
+ &attr->keys.key[2])))
+ return status;
+
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_4th,
+ &attr->keys.key[3])))
+ return status;
+
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_5th,
+ &attr->keys.key[4])))
+ return status;
+
+ if ((status = __ntapi->tt_hex_utf16_to_uint32(
+ name->port_name_keys.key_6th,
+ &attr->keys.key[5])))
+ return status;
+
+ /* backslash and underscores */
+ if (name->backslash != '\\')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ if (name->port_name_keys.uscore_1st != '_')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ if (name->port_name_keys.uscore_2nd != '_')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ if (name->port_name_keys.uscore_3rd != '_')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ if (name->port_name_keys.uscore_4th != '_')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ if (name->port_name_keys.uscore_5th != '_')
+ return NT_STATUS_INVALID_PARAMETER;
+
+ /* unknown defaults */
+ attr->ver_major = 0;
+ attr->ver_minor = 0;
+ attr->options = 0;
+ attr->flags = 0;
+
+ /* all done */
+ return NT_STATUS_SUCCESS;
+}
+
+
+int32_t __stdcall __ntapi_tt_port_attr_from_name(
+ __out nt_port_attr * attr,
+ __in const nt_port_name * name)
+{
+ /* null termination */
+ if (name->null_termination)
+ return NT_STATUS_INVALID_PARAMETER;
+
+ return __tt_port_attr_from_name(
+ attr,name);
+}
+
+
+int32_t __stdcall __ntapi_tt_port_attr_from_string(
+ __out nt_port_attr * attr,
+ __in const nt_unicode_string * str)
+{
+ if (str->strlen != ((size_t)&(((nt_port_name *)0)->null_termination)))
+ return NT_STATUS_INVALID_PARAMETER;
+
+ return __tt_port_attr_from_name(
+ attr,(const nt_port_name *)str->buffer);
+}
+
+
+int32_t __stdcall __ntapi_tt_port_attr_from_symlink(
+ __out nt_port_attr * attr,
+ __in void * symlink)
+{
+ int32_t status;
+ size_t size;
+ nt_unicode_string * target;
+ uintptr_t buffer[512/sizeof(uintptr_t)];
+
+ target = (nt_unicode_string *)buffer;
+ target->strlen = 0;
+ target->maxlen = sizeof(buffer) - sizeof(nt_unicode_string);
+ target->buffer = (wchar16_t *)&target[1];
+
+ if ((status = __ntapi->zw_query_symbolic_link_object(
+ symlink,target,&size)))
+ return status;
+
+ if (target->strlen != ((size_t)&(((nt_port_name *)0)->null_termination)))
+ return NT_STATUS_INVALID_PARAMETER;
+
+ return __tt_port_attr_from_name(
+ attr,(const nt_port_name *)target->buffer);
+}