diff options
Diffstat (limited to 'interface-ip.c')
| -rw-r--r-- | interface-ip.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/interface-ip.c b/interface-ip.c index 2444cda..47747cb 100644 --- a/interface-ip.c +++ b/interface-ip.c @@ -17,6 +17,7 @@ #include <stdio.h> #include <unistd.h> +#include <limits.h> #include <arpa/inet.h> #include "netifd.h" @@ -328,8 +329,12 @@ interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6) route->flags |= DEVROUTE_TABLE; } - if ((cur = tb[ROUTE_VALID]) != NULL) - route->valid_until = system_get_rtime() + blobmsg_get_u32(cur); + if ((cur = tb[ROUTE_VALID]) != NULL) { + int64_t valid = blobmsg_get_u32(cur); + int64_t valid_until = valid + (int64_t)system_get_rtime(); + if (valid_until <= LONG_MAX && valid != 0xffffffffLL) // Catch overflow + route->valid_until = valid_until; + } vlist_add(&ip->route, &route->node, route); return; |