diff options
Diffstat (limited to 'REORG.TODO/sunrpc/svc_simple.c')
| -rw-r--r-- | REORG.TODO/sunrpc/svc_simple.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/svc_simple.c b/REORG.TODO/sunrpc/svc_simple.c new file mode 100644 index 0000000000..acc9b9db14 --- /dev/null +++ b/REORG.TODO/sunrpc/svc_simple.c @@ -0,0 +1,186 @@ +/* + * svc_simple.c + * Simplified front end to rpc. + * + * Copyright (c) 2010, Oracle America, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * * Neither the name of the "Oracle America, Inc." nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <string.h> +#include <libintl.h> +#include <unistd.h> +#include <rpc/rpc.h> +#include <rpc/pmap_clnt.h> +#include <sys/socket.h> +#include <netdb.h> + +#include <wchar.h> +#include <libio/iolibio.h> +#include <shlib-compat.h> + +struct proglst_ + { + char *(*p_progname) (char *); + int p_prognum; + int p_procnum; + xdrproc_t p_inproc, p_outproc; + struct proglst_ *p_nxt; + }; +#ifdef _RPC_THREAD_SAFE_ +#define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s) +#else +static struct proglst_ *proglst; +#endif + + +static void universal (struct svc_req *rqstp, SVCXPRT *transp_s); +#ifdef _RPC_THREAD_SAFE_ +#define transp RPC_THREAD_VARIABLE(svcsimple_transp_s) +#else +static SVCXPRT *transp; +#endif + +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) + { + + if (__asprintf (&buf, _("can't reassign procedure number %ld\n"), + NULLPROC) < 0) + buf = NULL; + 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)) + { + if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"), + prognum, versnum) < 0) + buf = NULL; + 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: + if (buf == NULL) + return -1; + (void) __fxprintf (NULL, "%s", buf); + free (buf); + return -1; +} + +libc_sunrpc_symbol (__registerrpc, registerrpc, GLIBC_2_0) + + +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 */ + __bzero (xdrbuf, 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)) + { + if (__asprintf (&buf, _("trouble replying to prog %d\n"), + pl->p_prognum) < 0) + buf = NULL; + goto err_out2; + } + /* free the decoded arguments */ + (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf); + return; + } + if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0) + buf = NULL; + err_out2: + if (buf == NULL) + exit (1); + __fxprintf (NULL, "%s", buf); + free (buf); + exit (1); +} |