diff options
Diffstat (limited to 'src/config.c')
| -rw-r--r-- | src/config.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/config.c b/src/config.c index d7cd5dd..e631814 100644 --- a/src/config.c +++ b/src/config.c @@ -39,6 +39,8 @@ struct config config = {.legacy = false, .main_dhcpv4 = false, #define HOSTID_LEN_MAX 64 #define HOSTID_LEN_DEFAULT HOSTID_LEN_MIN +#define PD_MIN_LEN_MAX (64-2) // must delegate at least 2 bits of prefix + #define OAF_DHCPV6 (OAF_DHCPV6_NA | OAF_DHCPV6_PD) enum { @@ -64,6 +66,7 @@ enum { IFACE_ATTR_DHCPV6_RAW, IFACE_ATTR_DHCPV6_ASSIGNALL, IFACE_ATTR_DHCPV6_PD, + IFACE_ATTR_DHCPV6_PD_MIN_LEN, IFACE_ATTR_DHCPV6_NA, IFACE_ATTR_DHCPV6_HOSTID_LEN, IFACE_ATTR_RA_DEFAULT, @@ -116,6 +119,7 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = { [IFACE_ATTR_DHCPV6_RAW] = { .name = "dhcpv6_raw", .type = BLOBMSG_TYPE_STRING }, [IFACE_ATTR_DHCPV6_ASSIGNALL] = { .name ="dhcpv6_assignall", .type = BLOBMSG_TYPE_BOOL }, [IFACE_ATTR_DHCPV6_PD] = { .name = "dhcpv6_pd", .type = BLOBMSG_TYPE_BOOL }, + [IFACE_ATTR_DHCPV6_PD_MIN_LEN] = { .name = "dhcpv6_pd_min_len", .type = BLOBMSG_TYPE_INT32 }, [IFACE_ATTR_DHCPV6_NA] = { .name = "dhcpv6_na", .type = BLOBMSG_TYPE_BOOL }, [IFACE_ATTR_DHCPV6_HOSTID_LEN] = { .name = "dhcpv6_hostidlength", .type = BLOBMSG_TYPE_INT32 }, [IFACE_ATTR_PD_MANAGER] = { .name = "pd_manager", .type = BLOBMSG_TYPE_STRING }, @@ -214,6 +218,7 @@ static void set_interface_defaults(struct interface *iface) iface->dhcpv4_end.s_addr = htonl(START_DEFAULT + LIMIT_DEFAULT - 1); iface->dhcpv6_assignall = true; iface->dhcpv6_pd = true; + iface->dhcpv6_pd_min_len = 0; iface->dhcpv6_na = true; iface->dhcpv6_hostid_len = HOSTID_LEN_DEFAULT; iface->dns_service = true; @@ -851,6 +856,15 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr if ((c = tb[IFACE_ATTR_DHCPV6_PD])) iface->dhcpv6_pd = blobmsg_get_bool(c); + if ((c = tb[IFACE_ATTR_DHCPV6_PD_MIN_LEN])) { + uint32_t pd_min_len = blobmsg_get_u32(c); + if (pd_min_len != 0 && pd_min_len <= PD_MIN_LEN_MAX) + iface->dhcpv6_pd_min_len = pd_min_len; + else + syslog(LOG_ERR, "Invalid %s value configured for interface '%s'", + iface_attrs[IFACE_ATTR_DHCPV6_PD_MIN_LEN].name, iface->name); + } + if ((c = tb[IFACE_ATTR_DHCPV6_NA])) iface->dhcpv6_na = blobmsg_get_bool(c); |