From: Guus Sliepen <guus@tinc-vpn.org>
Date: Wed, 16 Dec 2009 20:16:56 +0000 (+0100)
Subject: Allow connections to be closed.
X-Git-Tag: release-1.1pre1~95
X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=55ef2f806f9840103bceb472564a711b22e73d58

Allow connections to be closed.

This only closes existing meta connections, it may not affect node
reachability.
---

diff --git a/src/control.c b/src/control.c
index e3901a6d..b8e5204b 100644
--- a/src/control.c
+++ b/src/control.c
@@ -92,6 +92,27 @@ bool control_h(connection_t *c, char *request) {
 			int result = reload_configuration();
 			return control_return(c, REQ_RELOAD, result);
 
+		case REQ_DISCONNECT: {
+			char name[MAX_STRING_SIZE];
+			connection_t *other;
+			splay_node_t *node, *next;
+			bool found = false;
+
+			if(sscanf(request, "%*d %*d " MAX_STRING, name) != 1)
+				return control_return(c, REQ_DISCONNECT, -1);
+
+			for(node = connection_tree->head; node; node = next) {
+				next = node->next;
+				other = node->data;
+				if(strcmp(other->name, name))
+					continue;
+				terminate_connection(other, other->status.active);
+				found = true;
+			}
+
+			return control_return(c, REQ_DISCONNECT, found ? 0 : -2);
+		}
+
 		default:
 			return send_request(c, "%d %d", CONTROL, REQ_INVALID);
 	}
diff --git a/src/control_common.h b/src/control_common.h
index c89f9de7..99cf8aff 100644
--- a/src/control_common.h
+++ b/src/control_common.h
@@ -35,6 +35,8 @@ enum request_type {
 	REQ_PURGE,
 	REQ_SET_DEBUG,
 	REQ_RETRY,
+	REQ_CONNECT,
+	REQ_DISCONNECT,
 };
 
 #define TINC_CTL_VERSION_CURRENT 0
diff --git a/src/tincctl.c b/src/tincctl.c
index ede186ad..632e7ac6 100644
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -92,6 +92,7 @@ static void usage(bool status) {
 				"  debug N                    Set debug level\n"
 				"  retry                      Retry all outgoing connections\n"
 				"  reload                     Partial reload of configuration\n"
+				"  disconnect NODE            Close meta connection with NODE\n"
 				"\n");
 		printf("Report bugs to tinc@tinc-vpn.org.\n");
 	}
@@ -595,6 +596,36 @@ int main(int argc, char *argv[], char *envp[]) {
 		return 0;
 	}
 
+	if(!strcasecmp(argv[optind], "connect")) {
+		if(argc != optind + 2) {
+			fprintf(stderr, "Invalid arguments.\n");
+			return 1;
+		}
+		char *name = argv[optind + 1];
+
+		sendline(fd, "%d %d %s", CONTROL, REQ_CONNECT, name);
+		if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_CONNECT || result) {
+			fprintf(stderr, "Could not connect to %s\n", name);
+			return 1;
+		}
+		return 0;
+	}
+
+	if(!strcasecmp(argv[optind], "disconnect")) {
+		if(argc != optind + 2) {
+			fprintf(stderr, "Invalid arguments.\n");
+			return 1;
+		}
+		char *name = argv[optind + 1];
+
+		sendline(fd, "%d %d %s", CONTROL, REQ_DISCONNECT, name);
+		if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_DISCONNECT || result) {
+			fprintf(stderr, "Could not disconnect %s\n", name);
+			return 1;
+		}
+		return 0;
+	}
+
 	fprintf(stderr, "Unknown command `%s'.\n", argv[optind]);
 	usage(true);