Add user metadata.

include/client.h

@@ -84,6 +84,8 @@ struct User
 	char *away;		/* pointer to away message */
 	int refcnt;		/* Number of times this block is referenced */
 
+	struct Dictionary *metadata;
+
 	char suser[NICKLEN+1];
 };
 
@@ -311,6 +313,12 @@ struct ListClient
 	 */
 };
 
+struct Metadata
+{
+	const char *name;
+	const char *value;
+};
+
 /*
  * status macros.
  */
@@ -613,4 +621,8 @@ extern char *generate_uid(void);
 void allocate_away(struct Client *);
 void free_away(struct Client *);
 
+extern struct Metadata *user_metadata_add(struct Client *target, const char *name, const char *value, int propegate);
+extern void user_metadata_delete(struct Client *target, const char *name, int propegate);
+extern struct Metadata *user_metadata_find(struct Client *target, const char *name);
+
 #endif /* INCLUDED_client_h */

modules/Makefile.in

@@ -42,6 +42,7 @@ CORE_SRCS = \
   core/m_kick.c \
   core/m_kill.c \
   core/m_message.c \
+  core/m_metadata.c \
   core/m_mode.c \
   core/m_nick.c \
   core/m_part.c \

src/client.c

@@ -1659,6 +1659,7 @@ struct User *
 make_user(struct Client *client_p)
 {
 	struct User *user;
+	struct Dictionary *metadata;
 
 	user = client_p->user;
 	if(!user)
@@ -1666,6 +1667,9 @@ make_user(struct Client *client_p)
 		user = (struct User *) rb_bh_alloc(user_heap);
 		user->refcnt = 1;
 		client_p->user = user;
+
+		metadata = irc_dictionary_create(irccmp);
+		client_p->user->metadata = metadata;
 	}
 	return user;
 }
@@ -1705,10 +1709,19 @@ free_user(struct User *user, struct Client *client_p)
 {
 	free_away(client_p);
 
+	/* get rid of any metadata the user may have */
+	if(IsOper(client_p))
+	{
+		user_metadata_delete(client_p, "swhois", 0);
+		user_metadata_delete(client_p, "operstring", 0);
+	}
+	user_metadata_delete(client_p, "OACCEPT", 0);
+
 	if(--user->refcnt <= 0)
 	{
 		if(user->away)
 			rb_free((char *) user->away);
+		
 		/*
 		 * sanity check
 		 */
@@ -1924,3 +1937,81 @@ error_exit_client(struct Client *client_p, int error)
 
 	exit_client(client_p, client_p, &me, errmsg);
 }
+
+/*
+ * user_metadata_add
+ * 
+ * inputs	- pointer to client struct
+ *		- name of metadata item you wish to add
+ *		- value of metadata item
+ *		- 1 if metadata should be propegated, 0 if not
+ * output	- none
+ * side effects - metadata is added to the user in question
+ *		- metadata is propegated if propegate is set.
+ */
+struct Metadata *
+user_metadata_add(struct Client *target, const char *name, const char *value, int propegate)
+{
+	struct Metadata *md;
+
+	if(irc_dictionary_find(target->user->metadata, name) != NULL)
+		return NULL;
+
+	md = rb_malloc(sizeof(struct Metadata));
+	md->name = rb_strdup(name);
+	md->value = rb_strdup(value);
+
+	irc_dictionary_add(target->user->metadata, md->name, md);
+	
+	if(propegate)
+		sendto_match_servs(&me, "*", CAP_ENCAP, NOCAPS, "ENCAP * METADATA ADD %s %s :%s",
+				target->name, name, value);
+
+	return md;
+}
+
+/*
+ * user_metadata_delete
+ * 
+ * inputs	- pointer to client struct
+ *		- name of metadata item you wish to delete
+ * output	- none
+ * side effects - metadata is deleted from the user in question
+ * 		- deletion is propegated if propegate is set
+ */
+void
+user_metadata_delete(struct Client *target, const char *name, int propegate)
+{
+	struct Metadata *md = user_metadata_find(target, name);
+
+	if(!md)
+		return;
+
+	irc_dictionary_delete(target->user->metadata, md->name);
+
+	rb_free(md);
+
+	if(propegate)
+		sendto_match_servs(&me, "*", CAP_ENCAP, NOCAPS, "ENCAP * METADATA DELETE %s %s",
+				target->name, name);
+}
+
+/*
+ * user_metadata_find
+ * 
+ * inputs	- pointer to client struct
+ *		- name of metadata item you wish to read
+ * output	- the requested metadata, if it exists, elsewise null.
+ * side effects - 
+ */
+struct Metadata *
+user_metadata_find(struct Client *target, const char *name)
+{
+	if(!target->user)
+		return NULL;
+
+	if(!target->user->metadata)
+		return NULL;
+
+	return irc_dictionary_retrieve(target->user->metadata, name);
+}

src/modules.c

@@ -63,6 +63,7 @@ static const char *core_module_table[] = {
 	"m_kick",
 	"m_kill",
 	"m_message",
+	"m_metadata",
 	"m_mode",
 	"m_nick",
 	"m_part",

src/s_serv.c

@@ -54,6 +54,7 @@
 #include "msg.h"
 #include "reject.h"
 #include "sslproc.h"
+#include "irc_dictionary.h"
 
 #ifndef INADDR_NONE
 #define INADDR_NONE ((unsigned int) 0xffffffff)
@@ -469,6 +470,8 @@ burst_TS6(struct Client *client_p)
 	char *t;
 	int tlen, mlen;
 	int cur_len = 0;
+	struct Metadata *md;
+	struct DictionaryIter iter;
 
 	hclientinfo.client = hchaninfo.client = client_p;
 
@@ -520,6 +523,12 @@ burst_TS6(struct Client *client_p)
 						use_id(target_p), target_p->user->suser);
 		}
 
+		DICTIONARY_FOREACH(md, &iter, target_p->user->metadata)
+		{
+			sendto_one(client_p, ":%s ENCAP * METADATA %s %s :%s",
+				   use_id(target_p), use_id(target_p), md->name, md->value);
+		}
+
 		if(ConfigFileEntry.burst_away && !EmptyString(target_p->user->away))
 			sendto_one(client_p, ":%s AWAY :%s",
 				   use_id(target_p),

src/s_user.c

@@ -1031,6 +1031,11 @@ user_mode(struct Client *client_p, struct Client *source_p, int parc, const char
 
 				Count.oper--;
 
+				/* Do we need to propegate these? I'm not 100% sure
+				 * so we should test it when we have a testnet */
+				user_metadata_delete(source_p, "OPERSTRING", 1);
+				user_metadata_delete(source_p, "SWHOIS", 1);
+
 				if(MyConnect(source_p))
 				{
 					source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;