X-Git-Url: https://jfr.im/git/solanum.git/blobdiff_plain/14f12985df1d081387a92b816042e43bf4fca03c..b2c208be091670e3c5259eba77187bae6ac6eece:/modules/core/m_server.c

diff --git a/modules/core/m_server.c b/modules/core/m_server.c
index dc05c005..b9ae59c0 100644
--- a/modules/core/m_server.c
+++ b/modules/core/m_server.c
@@ -64,7 +64,6 @@ static int set_server_gecos(struct Client *, const char *);
 
 /*
  * mr_server - SERVER message handler
- *      parv[0] = sender prefix
  *      parv[1] = servername
  *      parv[2] = serverinfo/hopcount
  *      parv[3] = serverinfo
@@ -76,6 +75,8 @@ mr_server(struct Client *client_p, struct Client *source_p, int parc, const char
 	const char *name;
 	struct Client *target_p;
 	int hop;
+	unsigned int required_mask;
+	const char *missing;
 
 	name = parv[1];
 	hop = atoi(parv[2]);
@@ -134,14 +135,14 @@ mr_server(struct Client *client_p, struct Client *source_p, int parc, const char
 	case -2:
 		sendto_realops_snomask(SNO_GENERAL, is_remote_connect(client_p) ? L_NETWIDE : L_ALL,
 				     "Unauthorised server connection attempt from %s: "
-				     "Bad password for server %s",
+				     "Bad credentials for server %s",
 				     "[@255.255.255.255]", name);
 
-		ilog(L_SERVER, "Access denied, invalid password for server %s%s",
+		ilog(L_SERVER, "Access denied, invalid credentials for server %s%s",
 		     EmptyString(client_p->name) ? name : "",
 		     log_client_name(client_p, SHOW_IP));
 
-		exit_client(client_p, client_p, client_p, "Invalid password.");
+		exit_client(client_p, client_p, client_p, "Invalid credentials.");
 		return 0;
 		/* NOT REACHED */
 		break;
@@ -193,6 +194,28 @@ mr_server(struct Client *client_p, struct Client *source_p, int parc, const char
 		return 0;
 	}
 
+	/* check to ensure any "required" caps are set. --nenolod */
+	required_mask = capability_index_get_required(serv_capindex);
+	if (!IsCapable(client_p, required_mask))
+	{
+		missing = capability_index_list(serv_capindex, required_mask &
+				~client_p->localClient->caps);
+		sendto_realops_snomask(SNO_GENERAL, is_remote_connect(client_p) ? L_NETWIDE : L_ALL,
+					"Link %s dropped, required CAPABs [%s] are missing",
+					name, missing);
+		ilog(L_SERVER, "Link %s%s dropped, required CAPABs [%s] are missing",
+				EmptyString(client_p->name) ? name : "",
+				log_client_name(client_p, SHOW_IP), missing);
+		/* Do not use '[' in the below message because it would cause
+		 * it to be considered potentially unsafe (might disclose IP
+		 * addresses)
+		 */
+		sendto_one(client_p, "ERROR :Missing required CAPABs (%s)", missing);
+		exit_client(client_p, client_p, client_p, "Missing required CAPABs");
+
+		return 0;
+	}
+
 	if((target_p = find_server(NULL, name)))
 	{
 		/*
@@ -206,13 +229,24 @@ mr_server(struct Client *client_p, struct Client *source_p, int parc, const char
 		 * Definitely don't do that here. This is from an unregistered
 		 * connect - A1kmm.
 		 */
-		sendto_realops_snomask(SNO_GENERAL, L_ALL,
-				     "Attempt to re-introduce server %s from %s",
-				     name, "[@255.255.255.255]");
-		ilog(L_SERVER, "Attempt to re-introduce server %s from %s",
-				name, log_client_name(client_p, SHOW_IP));
+		if (target_p->servptr->flags & FLAGS_SERVICE)
+		{
+			/* Assume any servers introduced by services
+			 * are jupes.
+			 * -- jilles
+			 */
+			sendto_one(client_p, "ERROR :Server juped.");
+		}
+		else
+		{
+			sendto_realops_snomask(SNO_GENERAL, L_ALL,
+					     "Attempt to re-introduce server %s from %s",
+					     name, "[@255.255.255.255]");
+			ilog(L_SERVER, "Attempt to re-introduce server %s from %s",
+					name, log_client_name(client_p, SHOW_IP));
 
-		sendto_one(client_p, "ERROR :Server already exists.");
+			sendto_one(client_p, "ERROR :Server already exists.");
+		}
 		exit_client(client_p, client_p, client_p, "Server Exists");
 		return 0;
 	}
@@ -250,7 +284,6 @@ mr_server(struct Client *client_p, struct Client *source_p, int parc, const char
 
 /*
  * ms_server - SERVER message handler
- *      parv[0] = sender prefix
  *      parv[1] = servername
  *      parv[2] = serverinfo/hopcount
  *      parv[3] = serverinfo
@@ -465,13 +498,10 @@ ms_sid(struct Client *client_p, struct Client *source_p, int parc, const char *p
 	struct remote_conf *hub_p;
 	hook_data_client hdata;
 	rb_dlink_node *ptr;
-	int hop;
 	int hlined = 0;
 	int llined = 0;
 	char squitreason[160];
 
-	hop = atoi(parv[2]);
-
 	/* collision on the name? */
 	if((target_p = find_server(NULL, parv[1])) != NULL)
 	{
@@ -633,7 +663,6 @@ set_server_gecos(struct Client *client_p, const char *info)
 	{
 		char *p;
 		char *s;
-		char *t;
 
 		s = LOCAL_COPY(info);
 
@@ -642,7 +671,7 @@ set_server_gecos(struct Client *client_p, const char *info)
 			*p = '\0';
 
 		/* check for a ] which would symbolise an [IP] */
-		if((t = strchr(s, ']')))
+		if(strchr(s, ']'))
 		{
 			/* set s to after the first space */
 			if(p)