ubus: Fix displayed valid paramater for both DHCPv4 and DHCPv6 lease

Fix ubus valid parameter being displayed as a negative number;
also display infinite lifetime as INT32_MAX

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/src/ubus.c b/src/ubus.c
index 14d0a5f..425abe4 100644 (file)
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -34,7 +34,7 @@ static int handle_dhcpv4_leases(struct ubus_context *ctx, _unused struct ubus_ob
 
                struct dhcpv4_assignment *lease;
                list_for_each_entry(lease, &iface->dhcpv4_assignments, head) {
-                       if (lease->valid_until < now)
+                       if (!INFINITE_VALID(lease->valid_until) && lease->valid_until < now)
                                continue;
 
                        void *l = blobmsg_open_table(&b, NULL);
@@ -50,7 +50,8 @@ static int handle_dhcpv4_leases(struct ubus_context *ctx, _unused struct ubus_ob
                        inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN);
                        blobmsg_add_string_buffer(&b);
 
-                       blobmsg_add_u32(&b, "valid", now - lease->valid_until);
+                       blobmsg_add_u32(&b, "valid", INFINITE_VALID(lease->valid_until) ?
+                                               INT32_MAX : (uint32_t)(lease->valid_until - now));
 
                        blobmsg_close_table(&b, l);
                }
@@ -83,7 +84,7 @@ static int handle_dhcpv6_leases(_unused struct ubus_context *ctx, _unused struct
 
                struct dhcpv6_assignment *lease;
                list_for_each_entry(lease, &iface->ia_assignments, head) {
-                       if (lease->valid_until < now)
+                       if (!INFINITE_VALID(lease->valid_until) && lease->valid_until < now)
                                continue;
 
                        void *l = blobmsg_open_table(&b, NULL);
@@ -115,7 +116,8 @@ static int handle_dhcpv6_leases(_unused struct ubus_context *ctx, _unused struct
                        }
                        blobmsg_close_table(&b, m);
 
-                       blobmsg_add_u32(&b, "valid", now - lease->valid_until);
+                       blobmsg_add_u32(&b, "valid", INFINITE_VALID(lease->valid_until) ?
+                                               INT32_MAX : (uint32_t)(lease->valid_until - now));
 
                        blobmsg_close_table(&b, l);
                }