X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=interface-ip.c;h=a5efad510210f46dd82e6a2684dd0911c5781a05;hp=6decaea7b16861c0adc00cf4316f8f70f8242881;hb=b314737e9a0f0df710ba5e8691882cd7d42faaf5;hpb=818abd9f2f42c36a0f91ff6d29a9a635398216e0 diff --git a/interface-ip.c b/interface-ip.c index 6decaea..a5efad5 100644 --- a/interface-ip.c +++ b/interface-ip.c @@ -1,6 +1,9 @@ #include #include #include +#include + +#include #include "netifd.h" #include "device.h" @@ -10,60 +13,240 @@ #include "ubus.h" #include "system.h" -int interface_add_address(struct interface *iface, struct device_addr *addr) +static int +addr_cmp(const void *k1, const void *k2, void *ptr) +{ + return memcmp(k1, k2, sizeof(struct device_addr) - + offsetof(struct device_addr, mask)); +} + +static int +route_cmp(const void *k1, const void *k2, void *ptr) +{ + return memcmp(k1, k2, sizeof(struct device_route) - + offsetof(struct device_route, mask)); +} + +static void +interface_update_proto_addr(struct vlist_tree *tree, + struct vlist_node *node_new, + struct vlist_node *node_old) +{ + struct interface *iface; + struct device *dev; + struct device_addr *addr; + + iface = container_of(tree, struct interface, proto_addr); + dev = iface->l3_dev->dev; + + if (node_old) { + addr = container_of(node_old, struct device_addr, node); + if (!(addr->flags & DEVADDR_EXTERNAL)) + system_del_address(dev, addr); + free(addr); + } + + if (node_new) { + addr = container_of(node_new, struct device_addr, node); + if (!(addr->flags & DEVADDR_EXTERNAL)) + system_add_address(dev, addr); + } +} + +static void +interface_update_proto_route(struct vlist_tree *tree, + struct vlist_node *node_new, + struct vlist_node *node_old) { - int family; + struct interface *iface; + struct device *dev; + struct device_route *route; + + iface = container_of(tree, struct interface, proto_route); + dev = iface->l3_dev->dev; + + if (node_old) { + route = container_of(node_old, struct device_route, node); + if (!(route->flags & DEVADDR_EXTERNAL)) + system_del_route(dev, route); + free(route); + } + + if (node_new) { + route = container_of(node_new, struct device_route, node); + if (!(route->flags & DEVADDR_EXTERNAL)) + system_add_route(dev, route); + } +} + +void +interface_add_dns_server(struct interface *iface, const char *str) +{ + struct dns_server *s; + + s = calloc(1, sizeof(*s)); + s->af = AF_INET; + if (inet_pton(s->af, str, &s->addr.in)) + goto add; + + s->af = AF_INET6; + if (inet_pton(s->af, str, &s->addr.in)) + goto add; + + free(s); + return; + +add: + D(INTERFACE, "Add IPv%c DNS server: %s\n", + s->af == AF_INET6 ? '6' : '4', str); + list_add_tail(&s->list, &iface->proto_dns_servers); +} + +void +interface_add_dns_server_list(struct interface *iface, struct blob_attr *list) +{ + struct blob_attr *cur; + int rem; + + blobmsg_for_each_attr(cur, list, rem) { + if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) + continue; - if (addr->flags & DEVADDR_INET6) - family = AF_INET6; - else - family = AF_INET; + if (!blobmsg_check_attr(cur, NULL)) + continue; - list_add_tail(&addr->list, &iface->address); - return system_add_address(iface->l3_iface->dev, addr); + interface_add_dns_server(iface, blobmsg_data(cur)); + } } -void interface_del_address(struct interface *iface, struct device_addr *addr) +void +interface_add_dns_search_domain(struct interface *iface, const char *str) { - int family; + struct dns_search_domain *s; + int len = strlen(str); - if (addr->flags & DEVADDR_INET6) - family = AF_INET6; - else - family = AF_INET; + s = calloc(1, sizeof(*s) + len + 1); + if (!s) + return; - list_del(&addr->list); - system_del_address(iface->l3_iface->dev, addr); + D(INTERFACE, "Add DNS search domain: %s\n", str); + memcpy(s->name, str, len); + list_add_tail(&s->list, &iface->proto_dns_search); } -void interface_del_ctx_addr(struct interface *iface, void *ctx) +void +interface_add_dns_search_list(struct interface *iface, struct blob_attr *list) { - struct device_addr *addr, *tmp; + struct blob_attr *cur; + int rem; + + blobmsg_for_each_attr(cur, list, rem) { + if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) + continue; - list_for_each_entry_safe(addr, tmp, &iface->address, list) { - if (ctx && addr->ctx != ctx) + if (!blobmsg_check_attr(cur, NULL)) continue; - interface_del_address(iface, addr); + interface_add_dns_server(iface, blobmsg_data(cur)); + } +} + +static void +interface_clear_dns_servers(struct interface *iface) +{ + struct dns_server *s, *tmp; + + list_for_each_entry_safe(s, tmp, &iface->proto_dns_servers, list) { + list_del(&s->list); + free(s); } } -int interface_add_route(struct interface *iface, struct device_route *route) +static void +interface_clear_dns_search(struct interface *iface) { - list_add_tail(&route->list, &iface->routes); - return system_add_route(iface->l3_iface->dev, route); + struct dns_search_domain *s, *tmp; + + list_for_each_entry_safe(s, tmp, &iface->proto_dns_search, list) { + list_del(&s->list); + free(s); + } } -void interface_del_route(struct interface *iface, struct device_route *route) +void +interface_clear_dns(struct interface *iface) { - list_del(&route->list); - system_del_route(iface->l3_iface->dev, route); + interface_clear_dns_servers(iface); + interface_clear_dns_search(iface); } -void interface_del_all_routes(struct interface *iface) +void +interface_write_resolv_conf(void) { - struct device_route *route, *tmp; + struct interface *iface; + struct dns_server *s; + struct dns_search_domain *d; + char *path = alloca(strlen(resolv_conf) + 5); + const char *str; + char buf[32]; + FILE *f; + + sprintf(path, "%s.tmp", resolv_conf); + unlink(path); + f = fopen(path, "w"); + if (!f) { + D(INTERFACE, "Failed to open %s for writing\n", path); + return; + } + + vlist_for_each_element(&interfaces, iface, node) { + if (iface->state != IFS_UP) + continue; - list_for_each_entry_safe(route, tmp, &iface->routes, list) - interface_del_route(iface, route); + if (list_empty(&iface->proto_dns_search) && + list_empty(&iface->proto_dns_servers)) + continue; + + fprintf(f, "# Interface %s\n", iface->name); + list_for_each_entry(s, &iface->proto_dns_servers, list) { + str = inet_ntop(s->af, &s->addr, buf, sizeof(buf)); + if (!str) + continue; + + fprintf(f, "nameserver %s\n", str); + } + + list_for_each_entry(d, &iface->proto_dns_search, list) { + fprintf(f, "search %s\n", d->name); + } + } + fclose(f); + if (rename(path, resolv_conf) < 0) { + D(INTERFACE, "Failed to replace %s\n", resolv_conf); + unlink(path); + } +} + +void +interface_ip_update_start(struct interface *iface) +{ + interface_clear_dns(iface); + vlist_update(&iface->proto_route); + vlist_update(&iface->proto_addr); +} + +void +interface_ip_update_complete(struct interface *iface) +{ + vlist_flush(&iface->proto_route); + vlist_flush(&iface->proto_addr); +} + +void +interface_ip_init(struct interface *iface) +{ + vlist_init(&iface->proto_route, route_cmp, interface_update_proto_route, + struct device_route, node, mask); + vlist_init(&iface->proto_addr, addr_cmp, interface_update_proto_addr, + struct device_addr, node, mask); }