X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;ds=sidebyside;f=proto.c;h=bd3b09ae7d2748f665ea1138d20e29edd0aab4ae;hb=e8f450ba2e67716cf3ed70060a309b80aa24cf00;hp=d8f16b33e2e45c9f5003e5c9670920edf0157e3b;hpb=bbfa8c18c8ae086b6fd941e950c466f25c134c17;p=project%2Fnetifd.git diff --git a/proto.c b/proto.c index d8f16b3..bd3b09a 100644 --- a/proto.c +++ b/proto.c @@ -2,12 +2,93 @@ #include #include +#include +#include + #include "netifd.h" #include "interface.h" +#include "interface-ip.h" #include "proto.h" static struct avl_tree handlers; +unsigned int +parse_netmask_string(const char *str, bool v6) +{ + struct in_addr addr; + unsigned int ret; + char *err = NULL; + + if (!strchr(str, '.')) { + ret = strtoul(str, &err, 0); + if (err && *err) + goto error; + + return ret; + } + + if (v6) + goto error; + + if (inet_aton(str, &addr) != 1) + goto error; + + return 32 - fls(~(ntohl(addr.s_addr))); + +error: + return ~0; +} + +static bool +split_netmask(char *str, unsigned int *netmask, bool v6) +{ + char *delim = strchr(str, '/'); + + if (delim) { + *(delim++) = 0; + + *netmask = parse_netmask_string(delim, v6); + } + return true; +} + +static int +parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask) +{ + char *astr = alloca(strlen(str) + 1); + + strcpy(astr, str); + if (!split_netmask(astr, netmask, af == AF_INET6)) + return 0; + + if (af == AF_INET6) { + if (*netmask > 128) + return 0; + } else { + if (*netmask > 32) + return 0; + } + + return inet_pton(af, astr, addr); +} + +struct device_addr * +proto_parse_ip_addr_string(const char *str, bool v6, int mask) +{ + 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; + } + return addr; +} + + void add_proto_handler(struct proto_handler *p) { if (!handlers.comp) @@ -112,7 +193,7 @@ int interface_proto_event(struct interface_proto_state *proto, enum interface_proto_cmd cmd, bool force) { - enum interface_event ev; + enum interface_proto_event ev; int ret; ret = proto->cb(proto, cmd, force); @@ -121,10 +202,10 @@ interface_proto_event(struct interface_proto_state *proto, switch(cmd) { case PROTO_CMD_SETUP: - ev = IFEV_UP; + ev = IFPEV_UP; break; case PROTO_CMD_TEARDOWN: - ev = IFEV_DOWN; + ev = IFPEV_DOWN; break; default: return -EINVAL;