diff options
Diffstat (limited to 'REORG.TODO/sunrpc/pmap_clnt.c')
| -rw-r--r-- | REORG.TODO/sunrpc/pmap_clnt.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/pmap_clnt.c b/REORG.TODO/sunrpc/pmap_clnt.c new file mode 100644 index 0000000000..69b4907b3a --- /dev/null +++ b/REORG.TODO/sunrpc/pmap_clnt.c @@ -0,0 +1,166 @@ +/* + * 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. + */ +/* + * pmap_clnt.c + * Client interface to pmap rpc service. + */ + +#include <stdio.h> +#include <unistd.h> +#include <libintl.h> +#include <net/if.h> +#include <ifaddrs.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <rpc/rpc.h> +#include <rpc/pmap_prot.h> +#include <rpc/pmap_clnt.h> +#include <shlib-compat.h> + +/* + * Same as get_myaddress, but we try to use the loopback + * interface. portmap caches interfaces, and on DHCP clients, + * it could be that only loopback is started at this time. + */ +static bool_t +__get_myaddress (struct sockaddr_in *addr) +{ + struct ifaddrs *ifa; + + if (getifaddrs (&ifa) != 0) + { + perror ("get_myaddress: getifaddrs"); + exit (1); + } + + int loopback = 1; + struct ifaddrs *run; + + again: + run = ifa; + while (run != NULL) + { + if ((run->ifa_flags & IFF_UP) + && run->ifa_addr != NULL + && run->ifa_addr->sa_family == AF_INET + && ((run->ifa_flags & IFF_LOOPBACK) || loopback == 0)) + { + *addr = *((struct sockaddr_in *) run->ifa_addr); + addr->sin_port = htons (PMAPPORT); + goto out; + } + + run = run->ifa_next; + } + + if (loopback == 1) + { + loopback = 0; + goto again; + } + out: + freeifaddrs (ifa); + + return run == NULL ? FALSE : TRUE; +} + + +static const struct timeval timeout = {5, 0}; +static const struct timeval tottimeout = {60, 0}; + +/* + * Set a mapping between program,version and port. + * Calls the pmap service remotely to do the mapping. + */ +bool_t +pmap_set (u_long program, u_long version, int protocol, u_short port) +{ + struct sockaddr_in myaddress; + int socket = -1; + CLIENT *client; + struct pmap parms; + bool_t rslt; + + if (!__get_myaddress (&myaddress)) + return FALSE; + client = clntudp_bufcreate (&myaddress, PMAPPROG, PMAPVERS, timeout, &socket, + RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); + if (client == (CLIENT *) NULL) + return (FALSE); + parms.pm_prog = program; + parms.pm_vers = version; + parms.pm_prot = protocol; + parms.pm_port = port; + if (CLNT_CALL (client, PMAPPROC_SET, (xdrproc_t)xdr_pmap, + (caddr_t)&parms, (xdrproc_t)xdr_bool, (caddr_t)&rslt, + tottimeout) != RPC_SUCCESS) + { + clnt_perror (client, _("Cannot register service")); + rslt = FALSE; + } + CLNT_DESTROY (client); + /* (void)close(socket); CLNT_DESTROY closes it */ + return rslt; +} +libc_hidden_nolink_sunrpc (pmap_set, GLIBC_2_0) + +/* + * Remove the mapping between program,version and port. + * Calls the pmap service remotely to do the un-mapping. + */ +bool_t +pmap_unset (u_long program, u_long version) +{ + struct sockaddr_in myaddress; + int socket = -1; + CLIENT *client; + struct pmap parms; + bool_t rslt; + + if (!__get_myaddress (&myaddress)) + return FALSE; + client = clntudp_bufcreate (&myaddress, PMAPPROG, PMAPVERS, timeout, &socket, + RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); + if (client == (CLIENT *) NULL) + return FALSE; + parms.pm_prog = program; + parms.pm_vers = version; + parms.pm_port = parms.pm_prot = 0; + CLNT_CALL (client, PMAPPROC_UNSET, (xdrproc_t)xdr_pmap, + (caddr_t)&parms, (xdrproc_t)xdr_bool, (caddr_t)&rslt, + tottimeout); + CLNT_DESTROY (client); + /* (void)close(socket); CLNT_DESTROY already closed it */ + return rslt; +} +libc_hidden_nolink_sunrpc (pmap_unset, GLIBC_2_0) |