const struct optdesc opt_ip_multicast_if ={"ip-multicast-if", "multicast-if", OPT_IP_MULTICAST_IF, GROUP_SOCK_IP,PH_PASTSOCKET,TYPE_IP4NAME,OFUNC_SOCKOPT,SOL_IP,IP_MULTICAST_IF}; #ifdef IP_PKTOPTIONS const struct optdesc opt_ip_pktoptions = { "ip-pktoptions", "pktopts", OPT_IP_PKTOPTIONS, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_PKTOPTIONS }; #endif #ifdef IP_ADD_MEMBERSHIP const struct optdesc opt_ip_add_membership = { "ip-add-membership", "membership",OPT_IP_ADD_MEMBERSHIP, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_IP_MREQN, OFUNC_SOCKOPT, SOL_IP, IP_ADD_MEMBERSHIP }; #endif #ifdef IP_RECVDSTADDR const struct optdesc opt_ip_recvdstaddr = { "ip-recvdstaddr", "recvdstaddr",OPT_IP_RECVDSTADDR, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVDSTADDR }; #endif #ifdef IP_RECVIF const struct optdesc opt_ip_recvif = { "ip-recvif", "recvdstaddrif",OPT_IP_RECVIF, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVIF }; #endif #if HAVE_RESOLV_H const struct optdesc opt_res_debug = { "res-debug", NULL, OPT_RES_DEBUG, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_DEBUG }; const struct optdesc opt_res_aaonly = { "res-aaonly", "aaonly", OPT_RES_AAONLY, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_AAONLY }; const struct optdesc opt_res_usevc = { "res-usevc", "usevc", OPT_RES_USEVC, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_USEVC }; const struct optdesc opt_res_primary = { "res-primary", "primary", OPT_RES_PRIMARY, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_PRIMARY }; const struct optdesc opt_res_igntc = { "res-igntc", "igntc", OPT_RES_IGNTC, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_IGNTC }; const struct optdesc opt_res_recurse = { "res-recurse", "recurse", OPT_RES_RECURSE, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_RECURSE }; const struct optdesc opt_res_defnames = { "res-defnames", "defnames", OPT_RES_DEFNAMES, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_DEFNAMES }; const struct optdesc opt_res_stayopen = { "res-stayopen", "stayopen", OPT_RES_STAYOPEN, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_STAYOPEN }; const struct optdesc opt_res_dnsrch = { "res-dnsrch", "dnsrch", OPT_RES_DNSRCH, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.socket.ip.res_opts), XIO_SIZEOF(para.socket.ip.res_opts), RES_DNSRCH }; #endif /* HAVE_RESOLV_H */ #endif /* WITH_IP4 || WITH_IP6 */ #if HAVE_RESOLV_H int Res_init(void) {
#include "xio-socket.h" #include "xio-ip.h" #include "xio-tun.h" static int xioopen_tun(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *fd, unsigned groups, int dummy1, int dummy2, int dummy3); /****** TUN addresses ******/ const struct optdesc opt_tun_device = { "tun-device", NULL, OPT_TUN_DEVICE, GROUP_TUN, PH_OPEN, TYPE_FILENAME, OFUNC_SPEC }; const struct optdesc opt_tun_name = { "tun-name", NULL, OPT_TUN_NAME, GROUP_INTERFACE, PH_FD, TYPE_STRING, OFUNC_SPEC }; const struct optdesc opt_tun_type = { "tun-type", NULL, OPT_TUN_TYPE, GROUP_INTERFACE, PH_FD, TYPE_STRING, OFUNC_SPEC }; const struct optdesc opt_iff_no_pi = { "iff-no-pi", "no-pi", OPT_IFF_NO_PI, GROUP_TUN, PH_FD, TYPE_BOOL, OFUNC_SPEC }; /*0 const struct optdesc opt_interface_addr = { "interface-addr", "address", OPT_INTERFACE_ADDR, GROUP_INTERFACE, PH_FD, TYPE_STRING, OFUNC_SPEC };*/ /*0 const struct optdesc opt_interface_netmask = { "interface-netmask", "netmask", OPT_INTERFACE_NETMASK, GROUP_INTERFACE, PH_FD, TYPE_STRING, OFUNC_SPEC };*/ const struct optdesc opt_iff_up = { "iff-up", "up", OPT_IFF_UP, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_UP }; const struct optdesc opt_iff_broadcast = { "iff-broadcast", NULL, OPT_IFF_BROADCAST, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_BROADCAST }; const struct optdesc opt_iff_debug = { "iff-debug" , NULL, OPT_IFF_DEBUG, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_DEBUG }; const struct optdesc opt_iff_loopback = { "iff-loopback" , "loopback", OPT_IFF_LOOPBACK, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_LOOPBACK }; const struct optdesc opt_iff_pointopoint = { "iff-pointopoint", "pointopoint",OPT_IFF_POINTOPOINT, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_POINTOPOINT }; const struct optdesc opt_iff_notrailers = { "iff-notrailers", "notrailers", OPT_IFF_NOTRAILERS, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_NOTRAILERS }; const struct optdesc opt_iff_running = { "iff-running", "running", OPT_IFF_RUNNING, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_RUNNING }; const struct optdesc opt_iff_noarp = { "iff-noarp", "noarp", OPT_IFF_NOARP, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_NOARP }; const struct optdesc opt_iff_promisc = { "iff-promisc", "promisc", OPT_IFF_PROMISC, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_PROMISC }; const struct optdesc opt_iff_allmulti = { "iff-allmulti", "allmulti", OPT_IFF_ALLMULTI, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_ALLMULTI }; const struct optdesc opt_iff_master = { "iff-master", "master", OPT_IFF_MASTER, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_MASTER }; const struct optdesc opt_iff_slave = { "iff-slave", "slave", OPT_IFF_SLAVE, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_SLAVE }; const struct optdesc opt_iff_multicast = { "iff-multicast", NULL, OPT_IFF_MULTICAST, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_MULTICAST }; const struct optdesc opt_iff_portsel = { "iff-portsel", "portsel", OPT_IFF_PORTSEL, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_PORTSEL }; const struct optdesc opt_iff_automedia = { "iff-automedia", "automedia", OPT_IFF_AUTOMEDIA, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(para.tun.iff_opts), IFF_AUTOMEDIA }; /*const struct optdesc opt_iff_dynamic = { "iff-dynamic", "dynamic", OPT_IFF_DYNAMIC, GROUP_INTERFACE, PH_FD, TYPE_BOOL, OFUNC_OFFSET_MASKS, XIO_OFFSETOF(para.tun.iff_opts), XIO_SIZEOF(short), IFF_DYNAMIC };*/
const struct addrdesc xioaddr_unix_sendto = { "unix-sendto", 3, xioopen_unix_sendto, GROUP_FD|GROUP_NAMED|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 0, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_unix_recvfrom= { "unix-recvfrom", 3, xioopen_unix_recvfrom, GROUP_FD|GROUP_NAMED|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY|GROUP_CHILD, 0, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_unix_recv = { "unix-recv", 1, xioopen_unix_recv, GROUP_FD|GROUP_NAMED|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 0, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_unix_client = { "unix-client", 3, xioopen_unix_client, GROUP_FD|GROUP_NAMED|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 0, 0, 0 HELP(":<filename>") }; #if WITH_ABSTRACT_UNIXSOCKET const struct addrdesc xioaddr_abstract_connect = { "abstract-connect", 3, xioopen_unix_connect, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 1, 0, 0 HELP(":<filename>") }; #if WITH_LISTEN const struct addrdesc xioaddr_abstract_listen = { "abstract-listen", 3, xioopen_unix_listen, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_LISTEN|GROUP_CHILD|GROUP_RETRY, 1, 0, 0 HELP(":<filename>") }; #endif /* WITH_LISTEN */ const struct addrdesc xioaddr_abstract_sendto = { "abstract-sendto", 3, xioopen_unix_sendto, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 1, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_abstract_recvfrom= { "abstract-recvfrom", 3, xioopen_unix_recvfrom, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY|GROUP_CHILD, 1, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_abstract_recv = { "abstract-recv", 1, xioopen_unix_recv, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 1, 0, 0 HELP(":<filename>") }; const struct addrdesc xioaddr_abstract_client = { "abstract-client", 3, xioopen_unix_client, GROUP_FD|GROUP_SOCKET|GROUP_SOCK_UNIX|GROUP_RETRY, 1, 0, 0 HELP(":<filename>") }; #endif /* WITH_ABSTRACT_UNIXSOCKET */ const struct optdesc xioopt_unix_tightsocklen = { "unix-tightsocklen", "tightsocklen", OPT_UNIX_TIGHTSOCKLEN, GROUP_SOCK_UNIX, PH_PREBIND, TYPE_BOOL, OFUNC_OFFSET, XIO_OFFSETOF(para.socket.un.tight), XIO_SIZEOF(para.socket.un.tight) }; /* fills the socket address struct and returns its effective length. abstract is usually 0; != 0 generates an abstract socket address on Linux. tight!=0 calculates the resulting length from the path length, not from the structures length; this is more common (see option unix-tightsocklen) the struct need not be initialized when calling this function. */ socklen_t xiosetunix(int pf, struct sockaddr_un *saun, const char *path, bool abstract, bool tight) { size_t pathlen;