Add support for raw DHCPv6 attributes

[project/odhcpd.git] / src / config.c

diff --git a/src/config.c b/src/config.c
index a392af7..6dd52bb 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -32,6 +32,7 @@ enum {
        IFACE_ATTR_NDP,
        IFACE_ATTR_DNS,
        IFACE_ATTR_DOMAIN,
+       IFACE_ATTR_DHCPV6_RAW,
        IFACE_ATTR_RA_DEFAULT,
        IFACE_ATTR_RA_MANAGEMENT,
        IFACE_ATTR_RA_OFFLINK,
@@ -61,6 +62,7 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
        [IFACE_ATTR_NDP] = { .name = "ndp", .type = BLOBMSG_TYPE_STRING },
        [IFACE_ATTR_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
        [IFACE_ATTR_DOMAIN] = { .name = "domain", .type = BLOBMSG_TYPE_ARRAY },
+       [IFACE_ATTR_DHCPV6_RAW] = { .name = "dhcpv6_raw", .type = BLOBMSG_TYPE_STRING },
        [IFACE_ATTR_PD_MANAGER] = { .name = "pd_manager", .type = BLOBMSG_TYPE_STRING },
        [IFACE_ATTR_PD_CER] = { .name = "pd_cer", .type = BLOBMSG_TYPE_STRING },
        [IFACE_ATTR_RA_DEFAULT] = { .name = "ra_default", .type = BLOBMSG_TYPE_INT32 },
@@ -149,6 +151,7 @@ static void clean_interface(struct interface *iface)
        free(iface->upstream);
        free(iface->static_ndp);
        free(iface->dhcpv4_dns);
+       free(iface->dhcpv6_raw);
        memset(&iface->ra, 0, sizeof(*iface) - offsetof(struct interface, ra));
 }
 
@@ -285,6 +288,7 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
 
                strncpy(iface->name, name, sizeof(iface->name) - 1);
                list_add(&iface->head, &interfaces);
+               overwrite = true;
        }
 
        const char *ifname = NULL;
@@ -453,6 +457,12 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
                }
        }
 
+       if ((c = tb[IFACE_ATTR_DHCPV6_RAW])) {
+               iface->dhcpv6_raw_len = blobmsg_data_len(c) / 2;
+               iface->dhcpv6_raw = realloc(iface->dhcpv6_raw, iface->dhcpv6_raw_len);
+               odhcpd_unhexlify(iface->dhcpv6_raw, iface->dhcpv6_raw_len, blobmsg_get_string(c));
+       }
+
        if ((c = tb[IFACE_ATTR_RA_DEFAULT]))
                iface->default_router = blobmsg_get_u32(c);