diff options
Diffstat (limited to 'mdk-stage1/nfsmount.c')
| -rw-r--r-- | mdk-stage1/nfsmount.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/mdk-stage1/nfsmount.c b/mdk-stage1/nfsmount.c deleted file mode 100644 index 032fde60c..000000000 --- a/mdk-stage1/nfsmount.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* this is based on work from redhat, made it lighter (gc) - */ - - -/* MODIFIED for Red Hat Linux installer - * msw@redhat.com - * o always mounts without lockd - * o uses our own host resolution - */ - -/* - * nfsmount.c -- Linux NFS mount - * Copyright (C) 1993 Rick Sladkey <jrs@world.std.com> - * - * 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 2, 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. - * - * Wed Feb 8 12:51:48 1995, biro@yggdrasil.com (Ross Biro): allow all port - * numbers to be specified on the command line. - * - * Fri, 8 Mar 1996 18:01:39, Swen Thuemmler <swen@uni-paderborn.de>: - * Omit the call to connect() for Linux version 1.3.11 or later. - * - * Wed Oct 1 23:55:28 1997: Dick Streefland <dick_streefland@tasking.com> - * Implemented the "bg", "fg" and "retry" mount options for NFS. - */ - -/* - * nfsmount.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp - */ - -#include <unistd.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <netdb.h> -#include <sys/mount.h> -#include <rpc/rpc.h> -#include <rpc/pmap_prot.h> -#include <rpc/pmap_clnt.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <sys/utsname.h> -#include <sys/stat.h> -#include <arpa/inet.h> -#include "linux-2.2/nfs.h" -#include "linux-2.2/nfs_mount.h" //#include "mount_constants.h" - -#include "log.h" -#include "dns.h" - -#include "nfsmount.h" - - -bool_t -xdr_fhandle(XDR *xdrs, fhandle objp) -{ - if (!xdr_opaque(xdrs, objp, FHSIZE)) { - return (FALSE); - } - return (TRUE); -} - -bool_t -xdr_fhstatus(XDR *xdrs, fhstatus *objp) -{ - - if (!xdr_u_int(xdrs, &objp->fhs_status)) { - return (FALSE); - } - switch (objp->fhs_status) { - case 0: - if (!xdr_fhandle(xdrs, objp->fhstatus_u.fhs_fhandle)) { - return (FALSE); - } - break; - default: - break; - } - return (TRUE); -} - -bool_t -xdr_dirpath(XDR *xdrs, dirpath *objp) -{ - - if (!xdr_string(xdrs, objp, MNTPATHLEN)) { - return (FALSE); - } - return (TRUE); -} - - -static int nfs_mount_version = 3; /* kernel >= 2.1.32 */ /* *********** TODO for kernel 2.4, nfs-mount version 4 */ - - -int nfsmount_prepare(const char *spec, int *flags, char **mount_opts) -{ - char hostdir[1024]; - CLIENT *mclient; - char *hostname, *dirname; - fhandle root_fhandle; - struct timeval total_timeout; - enum clnt_stat clnt_stat; - static struct nfs_mount_data data; - struct sockaddr_in server_addr; - struct sockaddr_in mount_server_addr; - int msock, fsock; - struct timeval retry_timeout; - struct fhstatus status; - char *s; - int port; - - msock = fsock = -1; - mclient = NULL; - - strncpy(hostdir, spec, sizeof(hostdir)); - if ((s = (strchr(hostdir, ':')))) { - hostname = hostdir; - dirname = s + 1; - *s = '\0'; - } else { - log_message("nfsmount: format not host:dir"); - goto fail; - } - - server_addr.sin_family = AF_INET; - - /* first, try as IP address */ - if (!inet_aton(hostname, &server_addr.sin_addr)) { - /* failure, try as machine name */ - if (mygethostbyname(hostname, &server_addr.sin_addr)) - goto fail; - } - - memcpy (&mount_server_addr, &server_addr, sizeof (mount_server_addr)); - - - - /* Set default options. - * timeo is filled in after we know whether it'll be TCP or UDP. */ - memset(&data, 0, sizeof(data)); - data.retrans = 3; - data.acregmin = 3; - data.acregmax = 60; - data.acdirmin = 30; - data.acdirmax = 60; - data.rsize = 8192; - data.wsize = 8192; - data.bsize = 8192; -#if NFS_MOUNT_VERSION >= 2 - data.namlen = NAME_MAX; -#endif - -#if NFS_MOUNT_VERSION >= 3 - if (nfs_mount_version >= 3) - data.flags |= NFS_MOUNT_NONLM; /* HACK HACK msw */ -#endif - - /* Adjust options if none specified */ - if (!data.timeo) - data.timeo = 7; /* udp */ - - - data.version = nfs_mount_version; - *mount_opts = (char *) &data; - - if (*flags & MS_REMOUNT) - return 0; - - - retry_timeout.tv_sec = 3; - retry_timeout.tv_usec = 0; - total_timeout.tv_sec = 20; - total_timeout.tv_usec = 0; - - - /* contact the mount daemon via TCP */ - mount_server_addr.sin_port = htons(0); - msock = RPC_ANYSOCK; - mclient = clnttcp_create(&mount_server_addr, MOUNTPROG, MOUNTVERS, &msock, 0, 0); - - /* if this fails, contact the mount daemon via UDP */ - if (!mclient) { - mount_server_addr.sin_port = htons(0); - msock = RPC_ANYSOCK; - mclient = clntudp_create(&mount_server_addr, MOUNTPROG, MOUNTVERS, retry_timeout, &msock); - } - if (mclient) { - /* try to mount hostname:dirname */ - mclient->cl_auth = authunix_create_default(); - clnt_stat = clnt_call(mclient, MOUNTPROC_MNT, - (xdrproc_t) xdr_dirpath, (caddr_t) &dirname, - (xdrproc_t) xdr_fhstatus, (caddr_t) &status, - total_timeout); - if (clnt_stat != RPC_SUCCESS) { - if (errno != ECONNREFUSED) { - log_message(clnt_sperror(mclient, "mount")); - goto fail; /* don't retry */ - } - log_message(clnt_sperror(mclient, "mount")); - auth_destroy(mclient->cl_auth); - clnt_destroy(mclient); - mclient = 0; - close(msock); - } - } else - goto fail; - - if (status.fhs_status != 0) { - if (status.fhs_status == 2) - log_message("NFS server says: No such file or directory"); - else if (status.fhs_status == 13) - log_message("NFS server says: Permission denied"); - else - log_message("nfsmount prepare failed, reason given by server: %d", status.fhs_status); - goto fail; - } - - memcpy((char *) &root_fhandle, (char *) status.fhstatus_u.fhs_fhandle, sizeof (root_fhandle)); - - /* create nfs socket for kernel */ - - fsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (fsock < 0) { - log_perror("nfs socket"); - goto fail; - } - if (bindresvport(fsock, 0) < 0) { - log_perror("nfs bindresvport"); - goto fail; - } - server_addr.sin_port = PMAPPORT; - port = pmap_getport(&server_addr, NFS_PROGRAM, NFS_VERSION, IPPROTO_UDP); - if (port == 0) - port = NFS_PORT; -#ifdef NFS_MOUNT_DEBUG - else - log_message("used portmapper to find NFS port\n"); - log_message("using port %d for nfs deamon\n", port); -#endif - server_addr.sin_port = htons(port); - - /* prepare data structure for kernel */ - - data.fd = fsock; - memcpy((char *) &data.root, (char *) &root_fhandle, sizeof (root_fhandle)); - memcpy((char *) &data.addr, (char *) &server_addr, sizeof(data.addr)); - strncpy(data.hostname, hostname, sizeof(data.hostname)); - - /* clean up */ - - auth_destroy(mclient->cl_auth); - clnt_destroy(mclient); - close(msock); - return 0; - - /* abort */ - - fail: - if (msock != -1) { - if (mclient) { - auth_destroy(mclient->cl_auth); - clnt_destroy(mclient); - } - close(msock); - } - if (fsock != -1) - close(fsock); - - return -1; -} - |