Introducing HPM Datacheck

http://hercules.ws/board/topic/4283-introducing-hpm-datacheck/
Signed-off-by: shennetsind <ind@henn.et>

1 files changed, 59 insertions, 12 deletions

diff --git a/src/map/HPMmap.c b/src/map/HPMmap.c
index 4b1338b8d..1688f37ce 100644
--- a/src/map/HPMmap.c
+++ b/src/map/HPMmap.c
@@ -34,6 +34,8 @@
 #include <string.h>
 #include <time.h>
 
+#include "../plugins/HPMDataCheck.h"
+
 struct HPM_atcommand_list {
 	//tracking currently not enabled
 	// - requires modifying how plugins calls atcommand creation
@@ -46,6 +48,11 @@ struct HPM_atcommand_list {
 struct HPM_atcommand_list *atcommand_list = NULL;
 unsigned int atcommand_list_items = 0;
 
+/**
+ * (char*) data name -> (unsigned int) HPMDataCheck[] index
+ **/
+DBMap *datacheck_db;
+
 bool HPM_map_grabHPData(struct HPDataOperationStorage *ret, enum HPluginDataTypes type, void *ptr) {
 	/* record address */
 	switch( type ) {
@@ -113,20 +120,28 @@ void HPM_map_atcommands(void) {
 	}
 }
 
-void HPM_map_do_final(void) {
-	unsigned char i;
+/**
+ * Called by HPM->DataCheck on a plugins incoming data, ensures data structs in use are matching!
+ **/
+bool HPM_map_DataCheck (struct s_HPMDataCheck *src, unsigned int size, char *name) {
+	unsigned int i, j;
 	
-	if( atcommand_list )
-		aFree(atcommand_list);
-	/**
-	 * why is pcg->HPM being cleared here? because PCG's do_final is not final,
-	 * is used on reload, and would thus cause plugin-provided permissions to go away
-	 **/
-	for( i = 0; i < pcg->HPMpermissions_count; i++ ) {
-		aFree(pcg->HPMpermissions[i].name);
+	for(i = 0; i < size; i++) {
+		
+		if( !strdb_exists(datacheck_db, src[i].name) ) {
+			ShowError("HPMDataCheck:%s: '%s' was not found\n",name,src[i].name);
+			return false;
+		} else {
+			j = strdb_uiget(datacheck_db, src[i].name);/* not double lookup; exists sets cache to found data */
+			ShowDebug("Testing[%s/%s] %u vs %u\n",src[i].name,HPMDataCheck[j].name,src[i].size,HPMDataCheck[j].size);
+			if( src[i].size != HPMDataCheck[j].size ) {
+				ShowWarning("HPMDataCheck:%s: '%s' size mismatch %u != %u\n",name,src[i].name,src[i].size,HPMDataCheck[j].size);
+				return false;
+			}
+		}
 	}
-	if( pcg->HPMpermissions )
-		aFree(pcg->HPMpermissions);
+	
+	return true;
 }
 
 /**
@@ -141,3 +156,35 @@ void HPM_map_add_group_permission(unsigned int pluginID, char *name, unsigned in
 	pcg->HPMpermissions[index].name = aStrdup(name);
 	pcg->HPMpermissions[index].mask = mask;
 }
+
+void HPM_map_do_init(void) {
+	unsigned int i;
+	
+	/**
+	 * Populates datacheck_db for easy lookup later on
+	 **/
+	datacheck_db = strdb_alloc(DB_OPT_BASE,0);
+	
+	for(i = 0; i < HPMDataCheckLen; i++) {
+		strdb_uiput(datacheck_db, HPMDataCheck[i].name, i);
+	}
+	
+}
+
+void HPM_map_do_final(void) {
+	unsigned char i;
+	
+	if( atcommand_list )
+		aFree(atcommand_list);
+	/**
+	 * why is pcg->HPM being cleared here? because PCG's do_final is not final,
+	 * is used on reload, and would thus cause plugin-provided permissions to go away
+	 **/
+	for( i = 0; i < pcg->HPMpermissions_count; i++ ) {
+		aFree(pcg->HPMpermissions[i].name);
+	}
+	if( pcg->HPMpermissions )
+		aFree(pcg->HPMpermissions);
+	
+	db_destroy(datacheck_db);
+}