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/*
Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* Example program using the lowlevel raw interface.
* This allow accurate control of the exact commands that are being used.
*/
#define SERVER "10.1.1.27"
#define EXPORT "/VIRTUAL"
#include <stdio.h>
#include <stdlib.h>
#include <poll.h>
#include <ccan/nfs/nfs.h>
#include <ccan/nfs/libnfs-raw.h>
#include <ccan/nfs/rpc/mount.h>
struct client {
char *server;
char *export;
uint32_t mount_port;
int is_finished;
};
void mount_mnt_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
mountres3 *res;
struct client *client = private_data;
if (status == RPC_STATUS_ERROR) {
printf("mount/mnt call failed with \"%s\"\n", (char *)data);
exit(10);
}
if (status != RPC_STATUS_SUCCESS) {
printf("mount/mnt call to server %s failed, status:%d\n", client->server, status);
exit(10);
}
res = data;
if (res->fhs_status != MNT3_OK) {
printf("RPC error: Mount failed with error %s(%d) %s(%d)", mountstat3_to_str(res->fhs_status), res->fhs_status, strerror(-mountstat3_to_errno(res->fhs_status)), -mountstat3_to_errno(res->fhs_status));
exit(10);
}
printf("Got reply from server for MOUNT/MNT procedure.\n");
client->is_finished = 1;
}
void mount_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
struct client *client = private_data;
if (status == RPC_STATUS_ERROR) {
printf("mount null call failed with \"%s\"\n", (char *)data);
exit(10);
}
if (status != RPC_STATUS_SUCCESS) {
printf("mount null call to server %s failed, status:%d\n", client->server, status);
exit(10);
}
printf("Got reply from server for MOUNT/NULL procedure.\n");
printf("Send MOUNT/MNT command for %s\n", client->export);
if (rpc_mount_mnt_async(rpc, mount_mnt_cb, client->export, client) != 0) {
printf("Failed to send mnt request\n");
exit(10);
}
}
void mount_connect_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
struct client *client = private_data;
if (status != RPC_STATUS_SUCCESS) {
printf("connection to RPC.MOUNTD on server %s failed\n", client->server);
exit(10);
}
printf("Connected to RPC.MOUNTD on %s:%d\n", client->server, client->mount_port);
printf("Send NULL request to check if RPC.MOUNTD is actually running\n");
if (rpc_mount_null_async(rpc, mount_null_cb, client) != 0) {
printf("Failed to send null request\n");
exit(10);
}
}
void pmap_getport_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
struct client *client = private_data;
uint32_t port;
if (status == RPC_STATUS_ERROR) {
printf("portmapper getport call failed with \"%s\"\n", (char *)data);
exit(10);
}
if (status != RPC_STATUS_SUCCESS) {
printf("portmapper getport call to server %s failed, status:%d\n", client->server, status);
exit(10);
}
client->mount_port = *(uint32_t *)data;
printf("GETPORT returned Port:%d\n", client->mount_port);
if (client->mount_port == 0) {
printf("RPC.MOUNTD is not available on server : %s\n", client->server, client->mount_port);
exit(10);
}
printf("Disconnect socket from portmap server\n");
if (rpc_disconnect(rpc, "normal disconnect") != 0) {
printf("Failed to disconnect socket to portmapper\n");
exit(10);
}
printf("Connect to RPC.MOUNTD on %s:%d\n", client->server, client->mount_port);
if (rpc_connect_async(rpc, client->server, client->mount_port, 1, mount_connect_cb, client) != 0) {
printf("Failed to start connection\n");
exit(10);
}
}
void pmap_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
struct client *client = private_data;
if (status == RPC_STATUS_ERROR) {
printf("portmapper null call failed with \"%s\"\n", (char *)data);
exit(10);
}
if (status != RPC_STATUS_SUCCESS) {
printf("portmapper null call to server %s failed, status:%d\n", client->server, status);
exit(10);
}
printf("Got reply from server for PORTMAP/NULL procedure.\n");
printf("Send getport request asking for MOUNT port\n");
if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, pmap_getport_cb, client) != 0) {
printf("Failed to send getport request\n");
exit(10);
}
}
void pmap_connect_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
{
struct client *client = private_data;
printf("pmap_connect_cb status:%d.\n", status);
if (status != RPC_STATUS_SUCCESS) {
printf("connection to portmapper on server %s failed\n", client->server);
exit(10);
}
printf("Send NULL request to check if portmapper is actually running\n");
if (rpc_pmap_null_async(rpc, pmap_null_cb, client) != 0) {
printf("Failed to send null request\n");
exit(10);
}
}
int main(int argc, char *argv[])
{
struct rpc_context *rpc;
struct pollfd pfd;
int ret;
struct client client;
rpc = rpc_init_context();
if (rpc == NULL) {
printf("failed to init context\n");
exit(10);
}
client.server = SERVER;
client.export = EXPORT;
client.is_finished = 0;
if (rpc_connect_async(rpc, client.server, 111, 0, pmap_connect_cb, &client) != 0) {
printf("Failed to start connection\n");
exit(10);
}
for (;;) {
pfd.fd = rpc_get_fd(rpc);
pfd.events = rpc_which_events(rpc);
if (poll(&pfd, 1, -1) < 0) {
printf("Poll failed");
exit(10);
}
if (rpc_service(rpc, pfd.revents) < 0) {
printf("rpc_service failed\n");
break;
}
if (client.is_finished) {
break;
}
}
rpc_destroy_context(rpc);
rpc=NULL;
printf("nfsclient finished\n");
return 0;
}
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