X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=proto.c;h=8266e81ed71d995cc201cd8f1cada82af0a4aa57;hp=a39518717c7e1d2c68abae536be36078d29f53f8;hb=d81d6b8ad3b984b19a427934830a2b2b5c4e3c8f;hpb=f7ac9bf93cc07755d15a7ab65d17dc66b8fcea80 diff --git a/proto.c b/proto.c index a395187..8266e81 100644 --- a/proto.c +++ b/proto.c @@ -60,6 +60,20 @@ 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) @@ -122,18 +136,15 @@ parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask) } static struct device_addr * -proto_parse_ip_addr_string(const char *str, bool v6, int mask) +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; } @@ -142,26 +153,29 @@ 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 = alloc_device_addr(v6, ext); + if (!addr) + return false; - addr = proto_parse_ip_addr_string(str, v6, mask); - if (!addr) { + 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; } if (broadcast) addr->broadcast = broadcast; - if (ext) - addr->flags |= DEVADDR_EXTERNAL; - 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, bool ext, uint32_t broadcast) +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; @@ -180,6 +194,76 @@ parse_address_option(struct interface *iface, struct blob_attr *attr, bool v6, 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) @@ -230,11 +314,11 @@ proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr) } if ((cur = tb[OPT_IPADDR])) - n_v4 = parse_address_option(iface, cur, false, + n_v4 = parse_static_address_option(iface, cur, false, netmask, false, bcast.s_addr); if ((cur = tb[OPT_IP6ADDR])) - n_v6 = parse_address_option(iface, cur, true, + n_v6 = parse_static_address_option(iface, cur, true, netmask, false, 0); if (!n_v4 && !n_v6) { @@ -275,34 +359,15 @@ proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ex 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 ((cur = tb[OPT_NETMASK])) { - netmask = parse_netmask_string(blobmsg_data(cur), false); - if (netmask > 32) { - error = "INVALID_NETMASK"; - goto error; - } - } - - 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_address_option(iface, cur, false, - netmask, ext, bcast.s_addr); + n_v4 = parse_address_list(iface, cur, false, ext); if ((cur = tb[OPT_IP6ADDR])) - n_v6 = parse_address_option(iface, cur, true, - netmask, ext, 0); + n_v6 = parse_address_list(iface, cur, true, ext); if (!n_v4 && !n_v6) { error = "NO_ADDRESS";