static
int xioopen_rawip_recv(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xfd, unsigned groups,
int pf, int socktype, int dummy3) {
const char *protname = argv[1];
char *garbage;
bool needbind = false;
union sockaddr_union us;
socklen_t uslen = sizeof(us);
int ipproto;
int result;
if (argc != 2) {
Error2("%s: wrong number of parameters (%d instead of 1)",
argv[0], argc-1);
return STAT_NORETRY;
}
if ((ipproto = strtoul(protname, &garbage, 0)) >= 256) {
Error2("xioopen_rawip_recv(\"%s\",,): protocol number exceeds 255 (%u)",
protname, ipproto);
return STAT_NORETRY;
} else if (*garbage) {
Warn1("xioopen_rawip_recv(\"%s\",,): trailing garbage in protocol specification",
protname);
/*return STAT_NORETRY;*/
}
retropt_socket_pf(opts, &pf);
if (pf == PF_UNSPEC) {
#if WITH_IP4 && WITH_IP6
pf = xioopts.default_ip=='6'?PF_INET6:PF_INET;
#elif WITH_IP6
pf = PF_INET6;
#else
pf = PF_INET;
#endif
}
if (retropt_bind(opts, pf, socktype, ipproto,
&/*us.soa*/xfd->stream.para.socket.la.soa, &uslen, 1,
xfd->stream.para.socket.ip.res_opts[0],
xfd->stream.para.socket.ip.res_opts[1]) ==
STAT_OK) {
needbind = true;
} else {
/* pf is required during xioread checks */
xfd->stream.para.socket.la.soa.sa_family = pf;
}
xfd->stream.dtype = XIODATA_RECV_SKIPIP;
result =
_xioopen_dgram_recv(&xfd->stream, xioflags,
needbind?&/*us.soa*/xfd->stream.para.socket.la.soa:NULL,
uslen,
opts, pf, socktype, ipproto, E_ERROR);
_xio_openlate(&xfd->stream, opts);
return result;
}
static
int xioopen_unix_recv(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xxfd, unsigned groups,
int abstract, int dummy2, int dummy3) {
/* we expect the form: filename */
const char *name;
xiosingle_t *xfd = &xxfd->stream;
int pf = PF_UNIX;
int socktype = SOCK_DGRAM;
int protocol = 0;
union sockaddr_union us;
socklen_t uslen;
bool tight = true;
bool opt_unlink_early = false;
bool opt_unlink_close = true;
int result;
if (argc != 2) {
Error2("%s: wrong number of parameters (%d instead of 1)",
argv[0], argc-1);
return STAT_NORETRY;
}
name = argv[1];
retropt_socket_pf(opts, &pf);
retropt_bool(opts, OPT_UNIX_TIGHTSOCKLEN, &tight);
uslen = xiosetunix(pf, &us.un, name, abstract, tight);
#if 1 /*!!! why bind option? */
retropt_bind(opts, pf, socktype, protocol, &us.soa, &uslen, 1, 0, 0);
#endif
if (!(ABSTRACT && abstract)) {
/* only for non abstract because abstract do not work in file system */
retropt_bool(opts, OPT_UNLINK_EARLY, &opt_unlink_early);
if (opt_unlink_early) {
if (Unlink(name) < 0) {
if (errno == ENOENT) {
Warn2("unlink(\"%s\"): %s", name, strerror(errno));
} else {
Error2("unlink(\"%s\"): %s", name, strerror(errno));
}
}
}
retropt_bool(opts, OPT_UNLINK_CLOSE, &opt_unlink_close);
if (opt_unlink_close) {
if ((xfd->unlink_close = strdup(name)) == NULL) {
Error1("strdup(\"%s\"): out of memory", name);
}
xfd->opt_unlink_close = true;
}
}
xfd->para.socket.la.soa.sa_family = pf;
xfd->dtype = XIODATA_RECV;
result = _xioopen_dgram_recv(xfd, xioflags, &us.soa, uslen,
opts, pf, socktype, protocol, E_ERROR);
return result;
}
static
int xioopen_udp_recv(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xfd, unsigned groups,
int pf, int socktype, int ipproto) {
union sockaddr_union us;
socklen_t uslen = sizeof(us);
char *rangename;
int result;
if (argc != 2) {
Error2("%s: wrong number of parameters (%d instead of 1)",
argv[0], argc-1);
return STAT_NORETRY;
}
retropt_socket_pf(opts, &pf);
if (pf == PF_UNSPEC) {
#if WITH_IP4 && WITH_IP6
pf = xioopts.default_ip=='6'?PF_INET6:PF_INET;
#elif WITH_IP6
pf = PF_INET6;
#else
pf = PF_INET;
#endif
}
if ((result =
xiogetaddrinfo(NULL, argv[1], pf, socktype, ipproto,
&us, &uslen, xfd->stream.para.socket.ip.res_opts[0],
xfd->stream.para.socket.ip.res_opts[1]))
!= STAT_OK) {
return result;
}
if (pf == PF_UNSPEC) {
pf = us.soa.sa_family;
}
#if 1
{
union sockaddr_union la;
socklen_t lalen = sizeof(la);
if (retropt_bind(opts, pf, socktype, ipproto,
&xfd->stream.para.socket.la.soa, &lalen, 1,
xfd->stream.para.socket.ip.res_opts[0],
xfd->stream.para.socket.ip.res_opts[1])
!= STAT_NOACTION) {
switch (pf) {
#if WITH_IP4
case PF_INET:
us.ip4.sin_addr = xfd->stream.para.socket.la.ip4.sin_addr; break;
#endif
#if WITH_IP6
case PF_INET6:
us.ip6.sin6_addr = xfd->stream.para.socket.la.ip6.sin6_addr; break;
#endif
}
} else {
xfd->stream.para.socket.la.soa.sa_family = pf;
}
}
#endif
#if WITH_IP4 /*|| WITH_IP6*/
if (retropt_string(opts, OPT_RANGE, &rangename) >= 0) {
if (xioparserange(rangename, pf, &xfd->stream.para.socket.range) < 0) {
return STAT_NORETRY;
}
xfd->stream.para.socket.dorange = true;
}
#endif
#if WITH_LIBWRAP
xio_retropt_tcpwrap(&xfd->stream, opts);
#endif /* WITH_LIBWRAP */
if (retropt_ushort(opts, OPT_SOURCEPORT,
&xfd->stream.para.socket.ip.sourceport)
>= 0) {
xfd->stream.para.socket.ip.dosourceport = true;
}
retropt_bool(opts, OPT_LOWPORT, &xfd->stream.para.socket.ip.lowport);
xfd->stream.dtype = XIODATA_RECV;
if ((result = _xioopen_dgram_recv(&xfd->stream, xioflags, &us.soa, uslen,
opts, pf, socktype, ipproto, E_ERROR))
!= STAT_OK) {
return result;
}
_xio_openlate(&xfd->stream, opts);
return result;
}
static
int xioopen_unix_recv(int argc, const char *argv[], struct opt *opts,
int xioflags, xiofile_t *xxfd, unsigned groups,
int abstract, int dummy2, int dummy3) {
/* we expect the form: filename */
const char *name;
xiosingle_t *xfd = &xxfd->stream;
int pf = PF_UNIX;
int socktype = SOCK_DGRAM;
int protocol = 0;
union sockaddr_union us;
socklen_t uslen;
bool opt_unlink_early = false;
bool opt_unlink_close = true;
int result;
if (argc != 2) {
Error2("%s: wrong number of parameters (%d instead of 1)",
argv[0], argc-1);
return STAT_NORETRY;
}
name = argv[1];
xfd->para.socket.un.tight = true;
retropt_socket_pf(opts, &pf);
xfd->howtoend = END_SHUTDOWN;
if (applyopts_single(xfd, opts, PH_INIT) < 0) return STAT_NORETRY;
applyopts(-1, opts, PH_INIT);
applyopts_named(name, opts, PH_EARLY); /* umask! */
applyopts_offset(xfd, opts);
if (!(ABSTRACT && abstract)) {
/* only for non abstract because abstract do not work in file system */
retropt_bool(opts, OPT_UNLINK_EARLY, &opt_unlink_early);
retropt_bool(opts, OPT_UNLINK_CLOSE, &opt_unlink_close);
}
applyopts(-1, opts, PH_EARLY);
uslen = xiosetunix(pf, &us.un, name, abstract, xfd->para.socket.un.tight);
#if 0
if (retropt_bind(opts, pf, socktype, protocol, &us.soa, &uslen,
(abstract<<1)|xfd->para.socket.un.tight, 0, 0)
== STAT_OK) {
}
#endif
if (!(ABSTRACT && abstract)) {
if (opt_unlink_early) {
if (Unlink(name) < 0) {
if (errno == ENOENT) {
Warn2("unlink(\"%s\"): %s", name, strerror(errno));
} else {
Error2("unlink(\"%s\"): %s", name, strerror(errno));
}
}
} else {
struct stat buf;
if (Lstat(name, &buf) == 0) {
Error1("\"%s\" exists", name);
return STAT_RETRYLATER;
}
}
if (opt_unlink_close) {
if ((xfd->unlink_close = strdup(name)) == NULL) {
Error1("strdup(\"%s\"): out of memory", name);
}
xfd->opt_unlink_close = true;
}
}
applyopts_named(name, opts, PH_EARLY); /* umask! */
xfd->para.socket.la.soa.sa_family = pf;
xfd->dtype = XIODATA_RECV;
result = _xioopen_dgram_recv(xfd, xioflags, &us.soa, uslen,
opts, pf, socktype, protocol, E_ERROR);
return result;
}
