void
vwarn (const char *format, __gnuc_va_list ap)
{
int error = errno;
flockfile (stderr);
if (_IO_fwide (stderr, 0) > 0)
{
__fwprintf (stderr, L"%s: ", __progname);
if (format)
{
convert_and_print (format, ap);
fputws_unlocked (L": ", stderr);
}
__set_errno (error);
__fwprintf (stderr, L"%m\n");
}
else
{
fprintf (stderr, "%s: ", __progname);
if (format)
{
vfprintf (stderr, format, ap);
fputs_unlocked (": ", stderr);
}
__set_errno (error);
fprintf (stderr, "%m\n");
}
funlockfile (stderr);
}
internal_function
makefd_xprt (int fd, u_int sendsize, u_int recvsize)
{
SVCXPRT *xprt;
struct tcp_conn *cd;
xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT));
cd = (struct tcp_conn *) mem_alloc (sizeof (struct tcp_conn));
if (xprt == (SVCXPRT *) NULL || cd == NULL)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s",
_("svc_tcp: makefd_xprt: out of memory\n"));
else
#endif
(void) fputs (_("svc_tcp: makefd_xprt: out of memory\n"), stderr);
mem_free (xprt, sizeof (SVCXPRT));
mem_free (cd, sizeof (struct tcp_conn));
return NULL;
}
cd->strm_stat = XPRT_IDLE;
xdrrec_create (&(cd->xdrs), sendsize, recvsize,
(caddr_t) xprt, readtcp, writetcp);
xprt->xp_p2 = NULL;
xprt->xp_p1 = (caddr_t) cd;
xprt->xp_verf.oa_base = cd->verf_body;
xprt->xp_addrlen = 0;
xprt->xp_ops = &svctcp_op; /* truly deals with calls */
xprt->xp_port = 0; /* this is a connection, not a rendezvouser */
xprt->xp_sock = fd;
xprt_register (xprt);
return xprt;
}
void
__assert_fail (const char *assertion, const char *file, unsigned int line,
const char *function)
{
char *buf;
#ifdef FATAL_PREPARE
FATAL_PREPARE;
#endif
(void) __asprintf (&buf, _("%s%s%s:%u: %s%sAssertion `%s' failed.\n"),
__progname, __progname[0] ? ": " : "",
file, line,
function ? function : "", function ? ": " : "",
assertion);
/* Print the message. */
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", buf);
else
#endif
(void) fputs (buf, stderr);
(void) fflush (stderr);
/* We have to free the buffer since the appplication might catch the
SIGABRT. */
free (buf);
abort ();
}
/*
* Usage:
* xprt = svcunix_create(sock, send_buf_size, recv_buf_size);
*
* Creates, registers, and returns a (rpc) unix based transporter.
* Once *xprt is initialized, it is registered as a transporter
* see (svc.h, xprt_register). This routine returns
* a NULL if a problem occurred.
*
* If sock<0 then a socket is created, else sock is used.
* If the socket, sock is not bound to a port then svcunix_create
* binds it to an arbitrary port. The routine then starts a unix
* listener on the socket's associated port. In any (successful) case,
* xprt->xp_sock is the registered socket number and xprt->xp_port is the
* associated port number.
*
* Since unix streams do buffered io similar to stdio, the caller can specify
* how big the send and receive buffers are via the second and third parms;
* 0 => use the system default.
*/
SVCXPRT *
svcunix_create (int sock, u_int sendsize, u_int recvsize, char *path)
{
bool_t madesock = FALSE;
SVCXPRT *xprt;
struct unix_rendezvous *r;
struct sockaddr_un addr;
socklen_t len = sizeof (struct sockaddr_in);
if (sock == RPC_ANYSOCK)
{
if ((sock = __socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
{
perror (_("svc_unix.c - AF_UNIX socket creation problem"));
return (SVCXPRT *) NULL;
}
madesock = TRUE;
}
memset (&addr, '\0', sizeof (addr));
addr.sun_family = AF_UNIX;
len = strlen (path) + 1;
memcpy (addr.sun_path, path, len);
len += sizeof (addr.sun_family);
bind (sock, (struct sockaddr *) &addr, len);
if (getsockname (sock, (struct sockaddr *) &addr, &len) != 0
|| listen (sock, 2) != 0)
{
perror (_("svc_unix.c - cannot getsockname or listen"));
if (madesock)
__close (sock);
return (SVCXPRT *) NULL;
}
r = (struct unix_rendezvous *) mem_alloc (sizeof (*r));
xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT));
if (r == NULL || xprt == NULL)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s", _("svcunix_create: out of memory\n"));
else
#endif
fputs (_("svcunix_create: out of memory\n"), stderr);
mem_free (r, sizeof (*r));
mem_free (xprt, sizeof (SVCXPRT));
return NULL;
}
r->sendsize = sendsize;
r->recvsize = recvsize;
xprt->xp_p2 = NULL;
xprt->xp_p1 = (caddr_t) r;
xprt->xp_verf = _null_auth;
xprt->xp_ops = &svcunix_rendezvous_op;
xprt->xp_port = -1;
xprt->xp_sock = sock;
xprt_register (xprt);
return xprt;
}
/*
* Usage:
* xprt = svctcp_create(sock, send_buf_size, recv_buf_size);
*
* Creates, registers, and returns a (rpc) tcp based transporter.
* Once *xprt is initialized, it is registered as a transporter
* see (svc.h, xprt_register). This routine returns
* a NULL if a problem occurred.
*
* If sock<0 then a socket is created, else sock is used.
* If the socket, sock is not bound to a port then svctcp_create
* binds it to an arbitrary port. The routine then starts a tcp
* listener on the socket's associated port. In any (successful) case,
* xprt->xp_sock is the registered socket number and xprt->xp_port is the
* associated port number.
*
* Since tcp streams do buffered io similar to stdio, the caller can specify
* how big the send and receive buffers are via the second and third parms;
* 0 => use the system default.
*/
SVCXPRT *
svctcp_create (int sock, u_int sendsize, u_int recvsize)
{
bool_t madesock = FALSE;
SVCXPRT *xprt;
struct tcp_rendezvous *r;
struct sockaddr_in addr;
socklen_t len = sizeof (struct sockaddr_in);
if (sock == RPC_ANYSOCK)
{
if ((sock = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
{
perror (_("svc_tcp.c - tcp socket creation problem"));
return (SVCXPRT *) NULL;
}
madesock = TRUE;
}
bzero ((char *) &addr, sizeof (addr));
addr.sin_family = AF_INET;
if (bindresvport (sock, &addr))
{
addr.sin_port = 0;
(void) bind (sock, (struct sockaddr *) &addr, len);
}
if ((getsockname (sock, (struct sockaddr *) &addr, &len) != 0) ||
(listen (sock, 2) != 0))
{
perror (_("svc_tcp.c - cannot getsockname or listen"));
if (madesock)
(void) close (sock);
return (SVCXPRT *) NULL;
}
r = (struct tcp_rendezvous *) mem_alloc (sizeof (*r));
xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT));
if (r == NULL || xprt == NULL)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", _("svctcp_create: out of memory\n"));
else
#endif
(void) fputs (_("svctcp_create: out of memory\n"), stderr);
mem_free (r, sizeof (*r));
mem_free (xprt, sizeof (SVCXPRT));
return NULL;
}
r->sendsize = sendsize;
r->recvsize = recvsize;
xprt->xp_p2 = NULL;
xprt->xp_p1 = (caddr_t) r;
xprt->xp_verf = _null_auth;
xprt->xp_ops = &svctcp_rendezvous_op;
xprt->xp_port = ntohs (addr.sin_port);
xprt->xp_sock = sock;
xprt_register (xprt);
return xprt;
}
static void
universal (struct svc_req *rqstp, SVCXPRT *transp_l)
{
int prog, proc;
char *outdata;
char xdrbuf[UDPMSGSIZE];
struct proglst_ *pl;
char *buf = NULL;
/*
* enforce "procnum 0 is echo" convention
*/
if (rqstp->rq_proc == NULLPROC)
{
if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
{
write (STDERR_FILENO, "xxx\n", 4);
exit (1);
}
return;
}
prog = rqstp->rq_prog;
proc = rqstp->rq_proc;
for (pl = proglst; pl != NULL; pl = pl->p_nxt)
if (pl->p_prognum == prog && pl->p_procnum == proc)
{
/* decode arguments into a CLEAN buffer */
memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
{
svcerr_decode (transp_l);
return;
}
outdata = (*(pl->p_progname)) (xdrbuf);
if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
/* there was an error */
return;
if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
{
(void) asprintf (&buf,
_("trouble replying to prog %d\n"),
pl->p_prognum);
exit (1);
}
/* free the decoded arguments */
(void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
return;
}
(void) asprintf (&buf, _("never registered prog %d\n"), prog);
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
__fwprintf (stderr, L"%s", buf);
else
#endif
fputs (buf, stderr);
free (buf);
exit (1);
}
int
registerrpc (u_long prognum, u_long versnum, u_long procnum,
char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
{
struct proglst_ *pl;
char *buf;
if (procnum == NULLPROC)
{
(void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
NULLPROC);
goto err_out;
}
if (transp == 0)
{
transp = svcudp_create (RPC_ANYSOCK);
if (transp == NULL)
{
buf = strdup (_("couldn't create an rpc server\n"));
goto err_out;
}
}
(void) pmap_unset ((u_long) prognum, (u_long) versnum);
if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
universal, IPPROTO_UDP))
{
(void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
prognum, versnum);
goto err_out;
}
pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
if (pl == NULL)
{
buf = strdup (_("registerrpc: out of memory\n"));
goto err_out;
}
pl->p_progname = progname;
pl->p_prognum = prognum;
pl->p_procnum = procnum;
pl->p_inproc = inproc;
pl->p_outproc = outproc;
pl->p_nxt = proglst;
proglst = pl;
return 0;
err_out:
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", buf);
else
#endif
(void) fputs (buf, stderr);
free (buf);
return -1;
}
void
clnt_pcreateerror (const char *msg)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", clnt_spcreateerror (msg));
else
#endif
(void) fputs (clnt_spcreateerror (msg), stderr);
}
void
clnt_perrno (enum clnt_stat num)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", clnt_sperrno (num));
else
#endif
(void) fputs (clnt_sperrno (num), stderr);
}
void
clnt_perror (CLIENT * rpch, const char *msg)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", clnt_sperror (rpch, msg));
else
#endif
(void) fputs (clnt_sperror (rpch, msg), stderr);
}
/* Ensure that FS has space for AMOUNT more bytes in its buffer, either by
growing the buffer, or by flushing it. True is returned iff we succeed. */
int
__argp_fmtstream_ensure (struct argp_fmtstream *fs, size_t amount)
{
if ((size_t) (fs->end - fs->p) < amount)
{
ssize_t wrote;
/* Flush FS's buffer. */
__argp_fmtstream_update (fs);
#ifdef USE_IN_LIBIO
if (_IO_fwide (fs->stream, 0) > 0)
{
__fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
wrote = fs->p - fs->buf;
}
else
#endif
wrote = fwrite (fs->buf, 1, fs->p - fs->buf, fs->stream);
if (wrote == fs->p - fs->buf)
{
fs->p = fs->buf;
fs->point_offs = 0;
}
else
{
fs->p -= wrote;
fs->point_offs -= wrote;
memmove (fs->buf, fs->buf + wrote, fs->p - fs->buf);
return 0;
}
if ((size_t) (fs->end - fs->buf) < amount)
/* Gotta grow the buffer. */
{
size_t new_size = fs->end - fs->buf + amount;
char *new_buf = realloc (fs->buf, new_size);
if (! new_buf)
{
__set_errno (ENOMEM);
return 0;
}
fs->buf = new_buf;
fs->end = new_buf + new_size;
fs->p = fs->buf;
}
}
return 1;
}
/* Flush FS to its stream, and free it (but don't close the stream). */
void
__argp_fmtstream_free (argp_fmtstream_t fs)
{
__argp_fmtstream_update (fs);
if (fs->p > fs->buf)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (fs->stream, 0) > 0)
__fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
else
#endif
fwrite (fs->buf, 1, fs->p - fs->buf, fs->stream);
}
free (fs->buf);
free (fs);
}
static void
perror_internal (FILE *fp, const char *s, int errnum)
{
char buf[1024];
const char *colon;
const char *errstring;
if (s == NULL || *s == '\0')
s = colon = "";
else
colon = ": ";
errstring = __strerror_r (errnum, buf, sizeof buf);
if (_IO_fwide (fp, 0) > 0)
(void) __fwprintf (fp, L"%s%s%s\n", s, colon, errstring);
else
(void) fprintf (fp, "%s%s%s\n", s, colon, errstring);
}
void
vwarnx (const char *format, __gnuc_va_list ap)
{
flockfile (stderr);
if (_IO_fwide (stderr, 0) > 0)
{
__fwprintf (stderr, L"%s: ", __progname);
convert_and_print (format, ap);
putwc_unlocked (L'\n', stderr);
}
else
{
fprintf (stderr, "%s: ", __progname);
if (format)
vfprintf (stderr, format, ap);
putc_unlocked ('\n', stderr);
}
funlockfile (stderr);
}
void
__assert_fail (const char *assertion, const char *file, unsigned int line,
const char *function)
{
char *buf;
#ifdef FATAL_PREPARE
FATAL_PREPARE;
#endif
if (__asprintf (&buf, _("%s%s%s:%u: %s%sAssertion `%s' failed.\n"),
__progname, __progname[0] ? ": " : "",
file, line,
function ? function : "", function ? ": " : "",
assertion) >= 0)
{
/* Print the message. */
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s", buf);
else
#endif
(void) fputs (buf, stderr);
(void) fflush (stderr);
/* We have to free the buffer since the application might catch the
SIGABRT. */
free (buf);
}
else
{
/* At least print a minimal message. */
static const char errstr[] = "Unexpected error.\n";
__libc_write (STDERR_FILENO, errstr, sizeof (errstr) - 1);
}
abort ();
}
/* Process FS's buffer so that line wrapping is done from POINT_OFFS to the
end of its buffer. This code is mostly from glibc stdio/linewrap.c. */
void
__argp_fmtstream_update (argp_fmtstream_t fs)
{
char *buf, *nl;
size_t len;
/* Scan the buffer for newlines. */
buf = fs->buf + fs->point_offs;
while (buf < fs->p)
{
size_t r;
if (fs->point_col == 0 && fs->lmargin != 0)
{
/* We are starting a new line. Print spaces to the left margin. */
const size_t pad = fs->lmargin;
if (fs->p + pad < fs->end)
{
/* We can fit in them in the buffer by moving the
buffer text up and filling in the beginning. */
memmove (buf + pad, buf, fs->p - buf);
fs->p += pad; /* Compensate for bigger buffer. */
memset (buf, ' ', pad); /* Fill in the spaces. */
buf += pad; /* Don't bother searching them. */
}
else
{
/* No buffer space for spaces. Must flush. */
size_t i;
for (i = 0; i < pad; i++)
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (fs->stream, 0) > 0)
putwc_unlocked (L' ', fs->stream);
else
#endif
putc_unlocked (' ', fs->stream);
}
}
fs->point_col = pad;
}
len = fs->p - buf;
nl = memchr (buf, '\n', len);
if (fs->point_col < 0)
fs->point_col = 0;
if (!nl)
{
/* The buffer ends in a partial line. */
if (fs->point_col + len < fs->rmargin)
{
/* The remaining buffer text is a partial line and fits
within the maximum line width. Advance point for the
characters to be written and stop scanning. */
fs->point_col += len;
break;
}
else
/* Set the end-of-line pointer for the code below to
the end of the buffer. */
nl = fs->p;
}
else if (fs->point_col + (nl - buf) < (ssize_t) fs->rmargin)
{
/* The buffer contains a full line that fits within the maximum
line width. Reset point and scan the next line. */
fs->point_col = 0;
buf = nl + 1;
continue;
}
/* This line is too long. */
r = fs->rmargin - 1;
if (fs->wmargin < 0)
{
/* Truncate the line by overwriting the excess with the
newline and anything after it in the buffer. */
if (nl < fs->p)
{
memmove (buf + (r - fs->point_col), nl, fs->p - nl);
fs->p -= buf + (r - fs->point_col) - nl;
/* Reset point for the next line and start scanning it. */
fs->point_col = 0;
buf += r + 1; /* Skip full line plus \n. */
}
else
{
/* The buffer ends with a partial line that is beyond the
maximum line width. Advance point for the characters
written, and discard those past the max from the buffer. */
fs->point_col += len;
fs->p -= fs->point_col - r;
break;
}
}
else
{
/* Do word wrap. Go to the column just past the maximum line
width and scan back for the beginning of the word there.
Then insert a line break. */
char *p, *nextline;
int i;
p = buf + (r + 1 - fs->point_col);
while (p >= buf && !isblank (*p))
--p;
nextline = p + 1; /* This will begin the next line. */
if (nextline > buf)
{
/* Swallow separating blanks. */
if (p >= buf)
do
--p;
while (p >= buf && isblank (*p));
nl = p + 1; /* The newline will replace the first blank. */
}
else
{
/* A single word that is greater than the maximum line width.
Oh well. Put it on an overlong line by itself. */
p = buf + (r + 1 - fs->point_col);
/* Find the end of the long word. */
do
++p;
while (p < nl && !isblank (*p));
if (p == nl)
{
/* It already ends a line. No fussing required. */
fs->point_col = 0;
buf = nl + 1;
continue;
}
/* We will move the newline to replace the first blank. */
nl = p;
/* Swallow separating blanks. */
do
++p;
while (isblank (*p));
/* The next line will start here. */
nextline = p;
}
/* Note: There are a bunch of tests below for
NEXTLINE == BUF + LEN + 1; this case is where NL happens to fall
at the end of the buffer, and NEXTLINE is in fact empty (and so
we need not be careful to maintain its contents). */
if (nextline == buf + len + 1
? fs->end - nl < fs->wmargin + 1
: nextline - (nl + 1) < fs->wmargin)
{
/* The margin needs more blanks than we removed. */
if (fs->end - fs->p > fs->wmargin + 1)
/* Make some space for them. */
{
size_t mv = fs->p - nextline;
memmove (nl + 1 + fs->wmargin, nextline, mv);
nextline = nl + 1 + fs->wmargin;
len = nextline + mv - buf;
*nl++ = '\n';
}
else
/* Output the first line so we can use the space. */
{
#ifdef USE_IN_LIBIO
if (_IO_fwide (fs->stream, 0) > 0)
__fwprintf (fs->stream, L"%.*s\n",
(int) (nl - fs->buf), fs->buf);
else
#endif
{
if (nl > fs->buf)
fwrite (fs->buf, 1, nl - fs->buf, fs->stream);
putc_unlocked ('\n', fs->stream);
}
len += buf - fs->buf;
nl = buf = fs->buf;
}
}
else
/* We can fit the newline and blanks in before
the next word. */
*nl++ = '\n';
if (nextline - nl >= fs->wmargin
|| (nextline == buf + len + 1 && fs->end - nextline >= fs->wmargin))
/* Add blanks up to the wrap margin column. */
for (i = 0; i < fs->wmargin; ++i)
*nl++ = ' ';
else
for (i = 0; i < fs->wmargin; ++i)
#ifdef USE_IN_LIBIO
if (_IO_fwide (fs->stream, 0) > 0)
putwc_unlocked (L' ', fs->stream);
else
#endif
putc_unlocked (' ', fs->stream);
/* Copy the tail of the original buffer into the current buffer
position. */
if (nl < nextline)
memmove (nl, nextline, buf + len - nextline);
len -= nextline - buf;
/* Continue the scan on the remaining lines in the buffer. */
buf = nl;
/* Restore bufp to include all the remaining text. */
fs->p = nl + len;
/* Reset the counter of what has been output this line. If wmargin
is 0, we want to avoid the lmargin getting added, so we set
point_col to a magic value of -1 in that case. */
fs->point_col = fs->wmargin ? fs->wmargin : -1;
}
}
/* Remember that we've scanned as far as the end of the buffer. */
fs->point_offs = fs->p - fs->buf;
}
/*
* Create a UDP based client handle.
* If *sockp<0, *sockp is set to a newly created UPD socket.
* If raddr->sin_port is 0 a binder on the remote machine
* is consulted for the correct port number.
* NB: It is the clients responsibility to close *sockp.
* NB: The rpch->cl_auth is initialized to null authentication.
* Caller may wish to set this something more useful.
*
* wait is the amount of time used between retransmitting a call if
* no response has been heard; retransmission occurs until the actual
* rpc call times out.
*
* sendsz and recvsz are the maximum allowable packet sizes that can be
* sent and received.
*/
CLIENT *
clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version,
struct timeval wait, int *sockp, u_int sendsz,
u_int recvsz)
{
CLIENT *cl;
struct cu_data *cu = NULL;
struct rpc_msg call_msg;
cl = (CLIENT *) mem_alloc (sizeof (CLIENT));
sendsz = ((sendsz + 3) / 4) * 4;
recvsz = ((recvsz + 3) / 4) * 4;
cu = (struct cu_data *) mem_alloc (sizeof (*cu) + sendsz + recvsz);
if (cl == NULL || cu == NULL)
{
struct rpc_createerr *ce = &get_rpc_createerr ();
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s",
_("clntudp_create: out of memory\n"));
else
#endif
(void) fputs (_("clntudp_create: out of memory\n"), stderr);
ce->cf_stat = RPC_SYSTEMERROR;
ce->cf_error.re_errno = ENOMEM;
goto fooy;
}
cu->cu_outbuf = &cu->cu_inbuf[recvsz];
if (raddr->sin_port == 0)
{
u_short port;
if ((port =
pmap_getport (raddr, program, version, IPPROTO_UDP)) == 0)
{
goto fooy;
}
raddr->sin_port = htons (port);
}
cl->cl_ops = &udp_ops;
cl->cl_private = (caddr_t) cu;
cu->cu_raddr = *raddr;
cu->cu_rlen = sizeof (cu->cu_raddr);
cu->cu_wait = wait;
cu->cu_total.tv_sec = -1;
cu->cu_total.tv_usec = -1;
cu->cu_sendsz = sendsz;
cu->cu_recvsz = recvsz;
call_msg.rm_xid = _create_xid ();
call_msg.rm_direction = CALL;
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
call_msg.rm_call.cb_prog = program;
call_msg.rm_call.cb_vers = version;
xdrmem_create (&(cu->cu_outxdrs), cu->cu_outbuf,
sendsz, XDR_ENCODE);
if (!xdr_callhdr (&(cu->cu_outxdrs), &call_msg))
{
goto fooy;
}
cu->cu_xdrpos = XDR_GETPOS (&(cu->cu_outxdrs));
if (*sockp < 0)
{
int dontblock = 1;
*sockp = __socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (*sockp < 0)
{
struct rpc_createerr *ce = &get_rpc_createerr ();
ce->cf_stat = RPC_SYSTEMERROR;
ce->cf_error.re_errno = errno;
goto fooy;
}
/* attempt to bind to prov port */
(void) bindresvport (*sockp, (struct sockaddr_in *) 0);
/* the sockets rpc controls are non-blocking */
(void) __ioctl (*sockp, FIONBIO, (char *) &dontblock);
#ifdef IP_RECVERR
{
int on = 1;
setsockopt(*sockp, SOL_IP, IP_RECVERR, &on, sizeof(on));
}
#endif
cu->cu_closeit = TRUE;
}
else
{
cu->cu_closeit = FALSE;
}
cu->cu_sock = *sockp;
cl->cl_auth = authnone_create ();
return cl;
fooy:
if (cu)
mem_free ((caddr_t) cu, sizeof (*cu) + sendsz + recvsz);
if (cl)
mem_free ((caddr_t) cl, sizeof (CLIENT));
return (CLIENT *) NULL;
}
/*
* Create a client handle for a tcp/ip connection.
* If *sockp<0, *sockp is set to a newly created TCP socket and it is
* connected to raddr. If *sockp non-negative then
* raddr is ignored. The rpc/tcp package does buffering
* similar to stdio, so the client must pick send and receive buffer sizes,];
* 0 => use the default.
* If raddr->sin_port is 0, then a binder on the remote machine is
* consulted for the right port number.
* NB: *sockp is copied into a private area.
* NB: It is the clients responsibility to close *sockp.
* NB: The rpch->cl_auth is set null authentication. Caller may wish to set this
* something more useful.
*/
CLIENT *
clnttcp_create (struct sockaddr_in *raddr, u_long prog, u_long vers,
int *sockp, u_int sendsz, u_int recvsz)
{
CLIENT *h;
struct ct_data *ct;
struct rpc_msg call_msg;
h = (CLIENT *) mem_alloc (sizeof (*h));
ct = (struct ct_data *) mem_alloc (sizeof (*ct));
if (h == NULL || ct == NULL)
{
struct rpc_createerr *ce = &get_rpc_createerr ();
#ifdef USE_IN_LIBIO
if (_IO_fwide (stderr, 0) > 0)
(void) __fwprintf (stderr, L"%s",
_("clnttcp_create: out of memory\n"));
else
#endif
(void) fputs (_("clnttcp_create: out of memory\n"), stderr);
ce->cf_stat = RPC_SYSTEMERROR;
ce->cf_error.re_errno = ENOMEM;
goto fooy;
}
/*
* If no port number given ask the pmap for one
*/
if (raddr->sin_port == 0)
{
u_short port;
if ((port = pmap_getport (raddr, prog, vers, IPPROTO_TCP)) == 0)
{
mem_free ((caddr_t) ct, sizeof (struct ct_data));
mem_free ((caddr_t) h, sizeof (CLIENT));
return ((CLIENT *) NULL);
}
raddr->sin_port = htons (port);
}
/*
* If no socket given, open one
*/
if (*sockp < 0)
{
*sockp = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
(void) bindresvport (*sockp, (struct sockaddr_in *) 0);
if ((*sockp < 0)
|| (connect (*sockp, (struct sockaddr *) raddr,
sizeof (*raddr)) < 0))
{
struct rpc_createerr *ce = &get_rpc_createerr ();
ce->cf_stat = RPC_SYSTEMERROR;
ce->cf_error.re_errno = errno;
if (*sockp >= 0)
(void) close (*sockp);
goto fooy;
}
ct->ct_closeit = TRUE;
}
else
{
ct->ct_closeit = FALSE;
}
/*
* Set up private data struct
*/
ct->ct_sock = *sockp;
ct->ct_wait.tv_usec = 0;
ct->ct_waitset = FALSE;
ct->ct_addr = *raddr;
/*
* Initialize call message
*/
call_msg.rm_xid = _create_xid ();
call_msg.rm_direction = CALL;
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
call_msg.rm_call.cb_prog = prog;
call_msg.rm_call.cb_vers = vers;
/*
* pre-serialize the static part of the call msg and stash it away
*/
xdrmem_create (&(ct->ct_xdrs), ct->ct_mcall, MCALL_MSG_SIZE,
XDR_ENCODE);
if (!xdr_callhdr (&(ct->ct_xdrs), &call_msg))
{
if (ct->ct_closeit)
{
(void) close (*sockp);
}
goto fooy;
}
ct->ct_mpos = XDR_GETPOS (&(ct->ct_xdrs));
XDR_DESTROY (&(ct->ct_xdrs));
/*
* Create a client handle which uses xdrrec for serialization
* and authnone for authentication.
*/
xdrrec_create (&(ct->ct_xdrs), sendsz, recvsz,
(caddr_t) ct, readtcp, writetcp);
h->cl_ops = &tcp_ops;
h->cl_private = (caddr_t) ct;
h->cl_auth = authnone_create ();
return h;
fooy:
/*
* Something goofed, free stuff and barf
*/
mem_free ((caddr_t) ct, sizeof (struct ct_data));
mem_free ((caddr_t) h, sizeof (CLIENT));
return ((CLIENT *) NULL);
}
