fix route sorting order
[project/netifd.git] / proto.c
diff --git a/proto.c b/proto.c
index b45a2d5..634d31b 100644 (file)
--- a/proto.c
+++ b/proto.c
@@ -1,6 +1,7 @@
 /*
  * netifd - network interface daemon
  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2012 Steven Barth <steven@midlink.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2
@@ -34,7 +35,6 @@ enum {
        OPT_GATEWAY,
        OPT_IP6GW,
        OPT_IP6PREFIX,
-       OPT_IP6ASSIGN,
        __OPT_MAX,
 };
 
@@ -46,7 +46,6 @@ static const struct blobmsg_policy proto_ip_attributes[__OPT_MAX] = {
        [OPT_GATEWAY] = { .name = "gateway", .type = BLOBMSG_TYPE_STRING },
        [OPT_IP6GW] = { .name = "ip6gw", .type = BLOBMSG_TYPE_STRING },
        [OPT_IP6PREFIX] = { .name = "ip6prefix", .type = BLOBMSG_TYPE_ARRAY },
-       [OPT_IP6ASSIGN] = { .name = "ip6assign", .type = BLOBMSG_TYPE_INT32 },
 };
 
 static const union config_param_info proto_ip_attr_info[__OPT_MAX] = {
@@ -66,6 +65,9 @@ enum {
        ADDR_MASK,
        ADDR_BROADCAST,
        ADDR_PTP,
+       ADDR_PREFERRED,
+       ADDR_VALID,
+       ADDR_OFFLINK,
        __ADDR_MAX
 };
 
@@ -74,6 +76,9 @@ static const struct blobmsg_policy proto_ip_addr[__ADDR_MAX] = {
        [ADDR_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_STRING },
        [ADDR_BROADCAST] = { .name = "broadcast", .type = BLOBMSG_TYPE_STRING },
        [ADDR_PTP] = { .name = "ptp", .type = BLOBMSG_TYPE_STRING },
+       [ADDR_PREFERRED] = { .name = "preferred", .type = BLOBMSG_TYPE_INT32 },
+       [ADDR_VALID] = { .name = "valid", .type = BLOBMSG_TYPE_INT32 },
+       [ADDR_OFFLINK] = { .name = "offlink", .type = BLOBMSG_TYPE_BOOL },
 };
 
 static struct device_addr *
@@ -169,6 +174,9 @@ parse_address_item(struct blob_attr *attr, bool v6, bool ext)
        if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(cur), &addr->addr))
                goto error;
 
+       if ((cur = tb[ADDR_OFFLINK]) && blobmsg_get_bool(cur))
+               addr->flags |= DEVADDR_OFFLINK;
+
        if (!v6) {
                if ((cur = tb[ADDR_BROADCAST]) &&
                    !inet_pton(AF_INET, blobmsg_data(cur), &addr->broadcast))
@@ -176,6 +184,27 @@ parse_address_item(struct blob_attr *attr, bool v6, bool ext)
                if ((cur = tb[ADDR_PTP]) &&
                    !inet_pton(AF_INET, blobmsg_data(cur), &addr->point_to_point))
                        goto error;
+       } else {
+               time_t now = system_get_rtime();
+               if ((cur = tb[ADDR_PREFERRED])) {
+                       uint32_t preferred = blobmsg_get_u32(cur);
+                       if (preferred < UINT32_MAX)
+                               addr->preferred_until = now + preferred;
+               }
+
+               if ((cur = tb[ADDR_VALID])) {
+                       uint32_t valid = blobmsg_get_u32(cur);
+                       if (valid < UINT32_MAX)
+                               addr->valid_until = now + valid;
+
+               }
+
+               if (addr->valid_until) {
+                       if (!addr->preferred_until)
+                               addr->preferred_until = addr->valid_until;
+                       else if (addr->preferred_until > addr->valid_until)
+                               goto error;
+               }
        }
 
        return addr;
@@ -222,31 +251,12 @@ parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6)
 
        route->mask = 0;
        route->flags = (v6 ? DEVADDR_INET6 : DEVADDR_INET4);
-       vlist_add(&iface->proto_ip.route, &route->node, &route->flags);
+       vlist_add(&iface->proto_ip.route, &route->node, route);
 
        return true;
 }
 
 static bool
-parse_ip6assign_option(struct interface *iface, struct blob_attr *attr)
-{
-       uint8_t oldval = iface->proto_ip.assignment_length;
-       uint8_t newval = blobmsg_get_u32(attr);
-
-       struct device_prefix *prefix;
-       list_for_each_entry(prefix, &prefixes, head) {
-               if (oldval && oldval != newval)
-                       interface_ip_set_prefix_assignment(prefix, iface, 0);
-
-               if (newval && newval <= 64)
-                       interface_ip_set_prefix_assignment(prefix, iface, newval);
-       }
-
-       iface->proto_ip.assignment_length = newval;
-       return true;
-}
-
-static bool
 parse_prefix_option(struct interface *iface, const char *str, size_t len)
 {
        char buf[128] = {0}, *saveptr;
@@ -264,18 +274,33 @@ parse_prefix_option(struct interface *iface, const char *str, size_t len)
 
        char *prefstr = strtok_r(NULL, ",", &saveptr);
        char *validstr = (!prefstr) ? NULL : strtok_r(NULL, ",", &saveptr);
+       char *excludestr = (!validstr) ? NULL : strtok_r(NULL, ",", &saveptr);
 
        uint32_t pref = (!prefstr) ? 0 : strtoul(prefstr, NULL, 10);
        uint32_t valid = (!validstr) ? 0 : strtoul(validstr, NULL, 10);
 
-       uint8_t length = strtoul(lengthstr, NULL, 10);
+       uint8_t length = strtoul(lengthstr, NULL, 10), excl_length = 0;
        if (length < 1 || length > 64)
                return false;
 
-       struct in6_addr addr;
+       struct in6_addr addr, excluded, *excludedp = NULL;
        if (inet_pton(AF_INET6, addrstr, &addr) < 1)
                return false;
 
+       if (excludestr) {
+               char *sep = strchr(excludestr, '/');
+               if (!sep)
+                       return false;
+
+               *sep = 0;
+               excl_length = atoi(sep + 1);
+
+               if (inet_pton(AF_INET6, excludestr, &excluded) < 1)
+                       return false;
+
+               excludedp = &excluded;
+       }
+
        time_t now = system_get_rtime();
        time_t preferred_until = 0;
        if (prefstr && pref != 0xffffffffU)
@@ -286,7 +311,8 @@ parse_prefix_option(struct interface *iface, const char *str, size_t len)
                valid_until = valid + now;
 
        interface_ip_add_device_prefix(iface, &addr, length,
-                       valid_until, preferred_until);
+                       valid_until, preferred_until,
+                       excludedp, excl_length);
        return true;
 }
 
@@ -343,7 +369,7 @@ proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr)
 
        if ((cur = tb[OPT_IP6ADDR]))
                n_v6 = parse_static_address_option(iface, cur, true,
-                       netmask, false, 0);
+                       128, false, 0);
 
        if ((cur = tb[OPT_IP6PREFIX]))
                if (parse_prefix_list(iface, cur) < 0)
@@ -362,10 +388,6 @@ proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr)
                        goto out;
        }
 
-       if ((cur = tb[OPT_IP6ASSIGN]))
-               if (!parse_ip6assign_option(iface, cur))
-                       goto out;
-
        return 0;
 
 error:
@@ -406,10 +428,6 @@ proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ex
                        goto out;
        }
 
-       if ((cur = tb[OPT_IP6ASSIGN]))
-               if (!parse_ip6assign_option(iface, cur))
-                       goto out;
-
        return 0;
 
 out: