/*
* Set protocol-independent source filter list in use on socket.
*/
int
setsourcefilter(int s, uint32_t interface, struct sockaddr *group,
socklen_t grouplen, uint32_t fmode, uint32_t numsrc,
struct sockaddr_storage *slist)
{
struct __msfilterreq msfr;
sockunion_t *psu;
int level, optname;
if (fmode != MCAST_INCLUDE && fmode != MCAST_EXCLUDE)
{
errno = EINVAL;
return (-1);
}
psu = (sockunion_t *)group;
switch (psu->ss.ss_family) {
#ifdef INET
case AF_INET:
if ((grouplen != sizeof(struct sockaddr_in) ||
!IN_MULTICAST(ntohl(psu->sin.sin_addr.s_addr))))
{
errno = EINVAL;
return (-1);
}
level = IPPROTO_IP;
optname = IP_MSFILTER;
break;
#endif
#ifdef INET6
case AF_INET6:
if (grouplen != sizeof(struct sockaddr_in6) ||
!IN6_IS_ADDR_MULTICAST(&psu->sin6.sin6_addr))
{
errno = EINVAL;
return (-1);
}
level = IPPROTO_IPV6;
optname = IPV6_MSFILTER;
break;
#endif
default:
errno = EAFNOSUPPORT;
return (-1);
}
memset(&msfr, 0, sizeof(msfr));
msfr.msfr_ifindex = interface;
msfr.msfr_fmode = fmode;
msfr.msfr_nsrcs = numsrc;
memcpy(&msfr.msfr_group, &psu->ss, psu->ss.ss_len);
msfr.msfr_srcs = slist; /* pointer */
return (_setsockopt(s, level, optname, &msfr, sizeof(msfr)));
}
static void set_ttl( const int t, const uint8 ttl )
{
int _ttl = ttl; // defensive programming, I know VCx
if(_setsockopt( sockets[t].s, IPPROTO_IP, IP_TTL, (const char *)&_ttl, sizeof(int) ) == SOCKET_ERROR ) {
D(bug("<%d> could not set ttl to %d, error=%d\r\n", t, ttl, _WSAGetLastError()));
} else {
D(bug("<%d> ttl set to %d.\r\n", t, ttl));
}
}
int
/*ARGSUSED*/
__rpc_broadenable(int af, int s, struct broadif *bip)
{
int o = 1;
#if 0
if (af == AF_INET6) {
fprintf(stderr, "set v6 multicast if to %d\n", bip->index);
if (_setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_IF, &bip->index,
sizeof bip->index) < 0)
return -1;
} else
#endif
if (_setsockopt(s, SOL_SOCKET, SO_BROADCAST, &o, sizeof o) < 0)
return -1;
return 0;
}
void socket_t::set_ttl( uint8 ttl )
{
int _ttl = ttl; // defensive programming, I know VCx
if(_setsockopt( s, IPPROTO_IP, IP_TTL, (const char *)&_ttl, sizeof(int) ) == SOCKET_ERROR ) {
D(bug("could not set ttl to %d.\r\n", ttl));
} else {
D(bug("ttl set to %d.\r\n", ttl));
}
}
int init_socket(int port) {
int listenfd, t = 1;
struct sockaddr_in servaddr;
listenfd = _socket(PF_INET, SOCK_STREAM, 0);
memset(&servaddr, sizeof(char), sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(port);
_setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &t, sizeof(t));
_bind(listenfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
return listenfd;
}
/*
* Generic client creation: returns client handle.
* Default options are set, which the user can
* change using the rpc equivalent of _ioctl()'s : clnt_control().
* If fd is RPC_ANYFD, it will be opened using nconf.
* It will be bound if not so.
* If sizes are 0; appropriate defaults will be chosen.
*/
CLIENT *
clnt_tli_create(int fd, const struct netconfig *nconf,
struct netbuf *svcaddr, rpcprog_t prog, rpcvers_t vers,
uint sendsz, uint recvsz)
{
CLIENT *cl; /* client handle */
bool_t madefd = FALSE; /* whether fd opened here */
long servtype;
int one = 1;
struct __rpc_sockinfo si;
extern int __rpc_minfd;
if (fd == RPC_ANYFD) {
if (nconf == NULL) {
rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
return (NULL);
}
fd = __rpc_nconf2fd(nconf);
if (fd == -1)
goto err;
if (fd < __rpc_minfd)
fd = __rpc_raise_fd(fd);
madefd = TRUE;
servtype = nconf->nc_semantics;
if (!__rpc_fd2sockinfo(fd, &si))
goto err;
bindresvport(fd, NULL);
} else {
if (!__rpc_fd2sockinfo(fd, &si))
goto err;
servtype = __rpc_socktype2seman(si.si_socktype);
if (servtype == -1) {
rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
return (NULL);
}
}
if (si.si_af != ((struct sockaddr *)svcaddr->buf)->sa_family) {
rpc_createerr.cf_stat = RPC_UNKNOWNHOST; /* XXX */
goto err1;
}
switch (servtype) {
case NC_TPI_COTS:
cl = clnt_vc_create(fd, svcaddr, prog, vers, sendsz, recvsz);
break;
case NC_TPI_COTS_ORD:
if (nconf && ((strcmp(nconf->nc_protofmly, "inet") == 0))) {
_setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &one,
sizeof (one));
}
cl = clnt_vc_create(fd, svcaddr, prog, vers, sendsz, recvsz);
break;
case NC_TPI_CLTS:
cl = clnt_dg_create(fd, svcaddr, prog, vers, sendsz, recvsz);
break;
default:
goto err;
}
if (cl == NULL)
goto err1; /* borrow errors from clnt_dg/vc creates */
if (nconf) {
cl->cl_netid = strdup(nconf->nc_netid);
cl->cl_tp = strdup(nconf->nc_device);
} else {
cl->cl_netid = "";
cl->cl_tp = "";
}
if (madefd) {
(void) CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
/* (void) CLNT_CONTROL(cl, CLSET_POP_TIMOD, NULL); */
};
return (cl);
err:
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
err1: if (madefd)
(void)_close(fd);
return (NULL);
}
/*
* Create a socket endpoint for socket() and socketpair().
* In SunOS 4.X and in SunOS 5.X prior to XPG 4.2 the only error
* that could be returned due to invalid <family, type, protocol>
* was EPROTONOSUPPORT. (While the SunOS 4.X source contains EPROTOTYPE
* error as well that error can only be generated if the kernel is
* incorrectly configured.)
* For backwards compatibility only applications that request XPG 4.2
* (through c89 or XOPEN_SOURCE) will get EPROTOTYPE or EAFNOSUPPORT errors.
*/
int
_socket_create(int family, int type, int protocol, int version)
{
int fd;
/*
* Try creating without knowing the device assuming that
* the transport provider is registered in /etc/sock2path.d.
* If none found fall back to using /etc/netconfig to look
* up the name of the transport device name. This provides
* backwards compatibility for transport providers that have not
* yet been converted to using /etc/sock2path.d.
* XXX When all transport providers use /etc/sock2path.d. this
* part of the code can be removed.
*/
fd = _so_socket(family, type, protocol, NULL, version);
if (fd == -1) {
char *devpath;
int saved_errno = errno;
int prototype = 0;
switch (saved_errno) {
case EAFNOSUPPORT:
case EPROTOTYPE:
if (version != SOV_XPG4_2)
saved_errno = EPROTONOSUPPORT;
break;
case EPROTONOSUPPORT:
break;
default:
errno = saved_errno;
return (-1);
}
if (_s_netconfig_path(family, type, protocol,
&devpath, &prototype) == -1) {
errno = saved_errno;
return (-1);
}
fd = _so_socket(family, type, protocol, devpath, version);
free(devpath);
if (fd == -1) {
errno = saved_errno;
return (-1);
}
if (prototype != 0) {
if (_setsockopt(fd, SOL_SOCKET, SO_PROTOTYPE,
(caddr_t)&prototype, (int)sizeof (prototype)) < 0) {
(void) close(fd);
/*
* setsockopt often fails with ENOPROTOOPT
* but socket() should fail with
* EPROTONOSUPPORT.
*/
errno = EPROTONOSUPPORT;
return (-1);
}
}
}
return (fd);
}
/*ARGSUSED*/
static bool_t
rendezvous_request(SVCXPRT *xprt, struct rpc_msg *msg)
{
int sock, flags;
struct cf_rendezvous *r;
struct cf_conn *cd;
struct sockaddr_storage addr;
socklen_t len;
struct __rpc_sockinfo si;
SVCXPRT *newxprt;
fd_set cleanfds;
assert(xprt != NULL);
assert(msg != NULL);
r = (struct cf_rendezvous *)xprt->xp_p1;
again:
len = sizeof addr;
if ((sock = _accept(xprt->xp_fd, (struct sockaddr *)(void *)&addr,
&len)) < 0) {
if (errno == EINTR)
goto again;
/*
* Clean out the most idle file descriptor when we're
* running out.
*/
if (errno == EMFILE || errno == ENFILE) {
cleanfds = svc_fdset;
__svc_clean_idle(&cleanfds, 0, FALSE);
goto again;
}
return (FALSE);
}
/*
* make a new transporter (re-uses xprt)
*/
newxprt = makefd_xprt(sock, r->sendsize, r->recvsize);
newxprt->xp_rtaddr.buf = mem_alloc(len);
if (newxprt->xp_rtaddr.buf == NULL)
return (FALSE);
memcpy(newxprt->xp_rtaddr.buf, &addr, len);
newxprt->xp_rtaddr.len = len;
#ifdef PORTMAP
if (addr.ss_family == AF_INET || addr.ss_family == AF_LOCAL) {
newxprt->xp_raddr = *(struct sockaddr_in *)newxprt->xp_rtaddr.buf;
newxprt->xp_addrlen = sizeof (struct sockaddr_in);
}
#endif /* PORTMAP */
if (__rpc_fd2sockinfo(sock, &si) && si.si_proto == IPPROTO_TCP) {
len = 1;
/* XXX fvdl - is this useful? */
_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &len, sizeof (len));
}
cd = (struct cf_conn *)newxprt->xp_p1;
cd->recvsize = r->recvsize;
cd->sendsize = r->sendsize;
cd->maxrec = r->maxrec;
if (cd->maxrec != 0) {
flags = _fcntl(sock, F_GETFL, 0);
if (flags == -1)
return (FALSE);
if (_fcntl(sock, F_SETFL, flags | O_NONBLOCK) == -1)
return (FALSE);
if (cd->recvsize > cd->maxrec)
cd->recvsize = cd->maxrec;
cd->nonblock = TRUE;
__xdrrec_setnonblock(&cd->xdrs, cd->maxrec);
} else
cd->nonblock = FALSE;
gettimeofday(&cd->last_recv_time, NULL);
return (FALSE); /* there is never an rpc msg to be processed */
}
/*
* Bind a socket to a privileged IP port
*/
int
bindresvport_sa(int sd, struct sockaddr *sa)
{
int old, error, af;
struct sockaddr_storage myaddr;
struct sockaddr_in *sin;
#ifdef INET6
struct sockaddr_in6 *sin6;
#endif
int proto, portrange, portlow;
u_int16_t *portp;
socklen_t salen;
if (sa == NULL) {
salen = sizeof(myaddr);
sa = (struct sockaddr *)&myaddr;
if (_getsockname(sd, sa, &salen) == -1)
return -1; /* errno is correctly set */
af = sa->sa_family;
memset(sa, 0, salen);
} else
af = sa->sa_family;
switch (af) {
case AF_INET:
proto = IPPROTO_IP;
portrange = IP_PORTRANGE;
portlow = IP_PORTRANGE_LOW;
sin = (struct sockaddr_in *)sa;
salen = sizeof(struct sockaddr_in);
portp = &sin->sin_port;
break;
#ifdef INET6
case AF_INET6:
proto = IPPROTO_IPV6;
portrange = IPV6_PORTRANGE;
portlow = IPV6_PORTRANGE_LOW;
sin6 = (struct sockaddr_in6 *)sa;
salen = sizeof(struct sockaddr_in6);
portp = &sin6->sin6_port;
break;
#endif
default:
errno = EPFNOSUPPORT;
return (-1);
}
sa->sa_family = af;
sa->sa_len = salen;
if (*portp == 0) {
socklen_t oldlen = sizeof(old);
error = _getsockopt(sd, proto, portrange, &old, &oldlen);
if (error < 0)
return (error);
error = _setsockopt(sd, proto, portrange, &portlow,
sizeof(portlow));
if (error < 0)
return (error);
}
error = _bind(sd, sa, salen);
if (*portp == 0) {
int saved_errno = errno;
if (error < 0) {
if (_setsockopt(sd, proto, portrange, &old,
sizeof(old)) < 0)
errno = saved_errno;
return (error);
}
if (sa != (struct sockaddr *)&myaddr) {
/* Hmm, what did the kernel assign? */
if (_getsockname(sd, sa, &salen) < 0)
errno = saved_errno;
return (error);
}
}
return (error);
}