X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=proto.c;h=c3bd19de8e4af478c5a7e47b20d163cd913de34e;hp=dfdedcb028fb4a613ddc3d6ef919fac2bdfd7f96;hb=e7ac4074bf497cd19e38adbb49e2b3eb275eeb05;hpb=285039a8783654439d9c0e29aac16e3893e2444b diff --git a/proto.c b/proto.c index dfdedcb..c3bd19d 100644 --- a/proto.c +++ b/proto.c @@ -1,3 +1,16 @@ +/* + * netifd - network interface daemon + * Copyright (C) 2012 Felix Fietkau + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ #include #include #include @@ -16,9 +29,9 @@ enum { OPT_IPADDR, OPT_IP6ADDR, OPT_NETMASK, + OPT_BROADCAST, OPT_GATEWAY, OPT_IP6GW, - OPT_DNS, __OPT_MAX, }; @@ -26,15 +39,14 @@ static const struct blobmsg_policy proto_ip_attributes[__OPT_MAX] = { [OPT_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_ARRAY }, [OPT_IP6ADDR] = { .name = "ip6addr", .type = BLOBMSG_TYPE_ARRAY }, [OPT_NETMASK] = { .name = "netmask", .type = BLOBMSG_TYPE_STRING }, + [OPT_BROADCAST] = { .name = "broadcast", .type = BLOBMSG_TYPE_STRING }, [OPT_GATEWAY] = { .name = "gateway", .type = BLOBMSG_TYPE_STRING }, [OPT_IP6GW] = { .name = "ip6gw", .type = BLOBMSG_TYPE_STRING }, - [OPT_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY }, }; static const union config_param_info proto_ip_attr_info[__OPT_MAX] = { [OPT_IPADDR] = { .type = BLOBMSG_TYPE_STRING }, [OPT_IP6ADDR] = { .type = BLOBMSG_TYPE_STRING }, - [OPT_DNS] = { .type = BLOBMSG_TYPE_STRING }, }; const struct config_param_list proto_ip_attr = { @@ -43,6 +55,20 @@ const struct config_param_list proto_ip_attr = { .info = proto_ip_attr_info, }; +enum { + ADDR_IPADDR, + ADDR_MASK, + ADDR_BROADCAST, + ADDR_PTP, + __ADDR_MAX +}; + +static const struct blobmsg_policy proto_ip_addr[__ADDR_MAX] = { + [ADDR_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_STRING }, + [ADDR_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_STRING }, + [ADDR_BROADCAST] = { .name = "broadcast", .type = BLOBMSG_TYPE_STRING }, + [ADDR_PTP] = { .name = "ptp", .type = BLOBMSG_TYPE_STRING }, +}; unsigned int parse_netmask_string(const char *str, bool v6) @@ -104,52 +130,135 @@ parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask) return inet_pton(af, astr, addr); } -struct device_addr * -proto_parse_ip_addr_string(const char *str, bool v6, int mask) +static struct device_addr * +alloc_device_addr(bool v6, bool ext) { struct device_addr *addr; - int af = v6 ? AF_INET6 : AF_INET; addr = calloc(1, sizeof(*addr)); addr->flags = v6 ? DEVADDR_INET6 : DEVADDR_INET4; - addr->mask = mask; - if (!parse_ip_and_netmask(af, str, &addr->addr, &addr->mask)) { - free(addr); - return NULL; - } + if (ext) + addr->flags |= DEVADDR_EXTERNAL; + return addr; } static bool -parse_addr(struct interface *iface, const char *str, bool v6, int mask) +parse_addr(struct interface *iface, const char *str, bool v6, int mask, + bool ext, uint32_t broadcast) { struct device_addr *addr; + int af = v6 ? AF_INET6 : AF_INET; - addr = proto_parse_ip_addr_string(str, v6, mask); - if (!addr) { + addr = alloc_device_addr(v6, ext); + if (!addr) + return false; + + addr->mask = mask; + if (!parse_ip_and_netmask(af, str, &addr->addr, &addr->mask)) { interface_add_error(iface, "proto", "INVALID_ADDRESS", &str, 1); + free(addr); return false; } - vlist_add(&iface->proto_ip.addr, &addr->node); + + if (broadcast) + addr->broadcast = broadcast; + + vlist_add(&iface->proto_ip.addr, &addr->node, &addr->flags); return true; } static int -parse_address_option(struct interface *iface, struct blob_attr *attr, bool v6, int netmask) +parse_static_address_option(struct interface *iface, struct blob_attr *attr, + bool v6, int netmask, bool ext, uint32_t broadcast) { struct blob_attr *cur; int n_addr = 0; int rem; blobmsg_for_each_attr(cur, attr, rem) { + if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) + return -1; + n_addr++; - if (!parse_addr(iface, blobmsg_data(cur), v6, netmask)) + if (!parse_addr(iface, blobmsg_data(cur), v6, netmask, ext, + broadcast)) return -1; } return n_addr; } +static struct device_addr * +parse_address_item(struct blob_attr *attr, bool v6, bool ext) +{ + struct device_addr *addr; + struct blob_attr *tb[__ADDR_MAX]; + struct blob_attr *cur; + + if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE) + return NULL; + + addr = alloc_device_addr(v6, ext); + if (!addr) + return NULL; + + blobmsg_parse(proto_ip_addr, __ADDR_MAX, tb, blobmsg_data(attr), blobmsg_data_len(attr)); + + addr->mask = v6 ? 128 : 32; + if ((cur = tb[ADDR_MASK])) { + unsigned int new_mask; + + new_mask = parse_netmask_string(blobmsg_data(cur), v6); + if (new_mask > addr->mask) + goto error; + + addr->mask = new_mask; + } + + cur = tb[ADDR_IPADDR]; + if (!cur) + goto error; + + if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(cur), &addr->addr)) + goto error; + + if (!v6) { + if ((cur = tb[ADDR_BROADCAST]) && + !inet_pton(AF_INET, blobmsg_data(cur), &addr->broadcast)) + goto error; + if ((cur = tb[ADDR_PTP]) && + !inet_pton(AF_INET, blobmsg_data(cur), &addr->point_to_point)) + goto error; + } + + return addr; + +error: + free(addr); + return NULL; +} + +static int +parse_address_list(struct interface *iface, struct blob_attr *attr, bool v6, + bool ext) +{ + struct device_addr *addr; + struct blob_attr *cur; + int n_addr = 0; + int rem; + + blobmsg_for_each_attr(cur, attr, rem) { + addr = parse_address_item(cur, v6, ext); + if (!addr) + return -1; + + n_addr++; + vlist_add(&iface->proto_ip.addr, &addr->node, &addr->flags); + } + + return n_addr; +} static bool parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6) @@ -166,35 +275,46 @@ parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6) } route->mask = 0; - route->flags = DEVADDR_DEVICE | (v6 ? DEVADDR_INET6 : DEVADDR_INET4); - vlist_add(&iface->proto_ip.route, &route->node); + route->flags = (v6 ? DEVADDR_INET6 : DEVADDR_INET4); + vlist_add(&iface->proto_ip.route, &route->node, &route->flags); return true; } int -proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr) +proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr) { struct blob_attr *tb[__OPT_MAX]; + struct blob_attr *cur; const char *error; unsigned int netmask = 32; int n_v4 = 0, n_v6 = 0; + struct in_addr bcast = {}; blobmsg_parse(proto_ip_attributes, __OPT_MAX, tb, blob_data(attr), blob_len(attr)); - if (tb[OPT_NETMASK]) { - netmask = parse_netmask_string(blobmsg_data(tb[OPT_NETMASK]), false); + if ((cur = tb[OPT_NETMASK])) { + netmask = parse_netmask_string(blobmsg_data(cur), false); if (netmask > 32) { error = "INVALID_NETMASK"; goto error; } } - if (tb[OPT_IPADDR]) - n_v4 = parse_address_option(iface, tb[OPT_IPADDR], false, netmask); + if ((cur = tb[OPT_BROADCAST])) { + if (!inet_pton(AF_INET, blobmsg_data(cur), &bcast)) { + error = "INVALID_BROADCAST"; + goto error; + } + } + + if ((cur = tb[OPT_IPADDR])) + n_v4 = parse_static_address_option(iface, cur, false, + netmask, false, bcast.s_addr); - if (tb[OPT_IP6ADDR]) - n_v6 = parse_address_option(iface, tb[OPT_IP6ADDR], true, netmask); + if ((cur = tb[OPT_IP6ADDR])) + n_v6 = parse_static_address_option(iface, cur, true, + netmask, false, 0); if (!n_v4 && !n_v6) { error = "NO_ADDRESS"; @@ -204,18 +324,57 @@ proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr) if (n_v4 < 0 || n_v6 < 0) goto out; - if (n_v4 && tb[OPT_GATEWAY]) { - if (!parse_gateway_option(iface, tb[OPT_GATEWAY], false)) + if ((cur = tb[OPT_GATEWAY])) { + if (n_v4 && !parse_gateway_option(iface, cur, false)) + goto out; + } + + if ((cur = tb[OPT_IP6GW])) { + if (n_v6 && !parse_gateway_option(iface, cur, true)) goto out; } - if (n_v6 && tb[OPT_IP6GW]) { - if (!parse_gateway_option(iface, tb[OPT_IP6GW], true)) + return 0; + +error: + interface_add_error(iface, "proto", error, NULL, 0); +out: + return -1; +} + +int +proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ext) +{ + struct blob_attr *tb[__OPT_MAX]; + struct blob_attr *cur; + const char *error; + int n_v4 = 0, n_v6 = 0; + + blobmsg_parse(proto_ip_attributes, __OPT_MAX, tb, blob_data(attr), blob_len(attr)); + + if ((cur = tb[OPT_IPADDR])) + n_v4 = parse_address_list(iface, cur, false, ext); + + if ((cur = tb[OPT_IP6ADDR])) + n_v6 = parse_address_list(iface, cur, true, ext); + + if (!n_v4 && !n_v6) { + error = "NO_ADDRESS"; + goto error; + } + + if (n_v4 < 0 || n_v6 < 0) + goto out; + + if ((cur = tb[OPT_GATEWAY])) { + if (n_v4 && !parse_gateway_option(iface, cur, false)) goto out; } - if (tb[OPT_DNS]) - interface_add_dns_server_list(&iface->proto_ip, tb[OPT_DNS]); + if ((cur = tb[OPT_IP6GW])) { + if (n_v6 && !parse_gateway_option(iface, cur, true)) + goto out; + } return 0;