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nfsshell.c
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nfsshell.c
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/*
* Copyright (c) 1990-1998 by Leendert van Doorn <leendert@paramecium.org>
* Copyright (c) 2013 by Michael Brown, Net Direct <michael@netdirect.ca>
* All rights reserved.
*
* 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 Vrije Universiteit, Net Direct 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 LEENDERT VAN DOORN, VRIJE UNIVERSITEIT
* (AMSTERDAM), MICHAEL BROWN, OR NET DIRECT (CANADA) 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.
*/
/*
* Tested on the following systems:
* System V release 4 (386)
* SunOS 4.[123] (SPARC/SUN3)
* DEC Ultrix 4.[23] (DEC Station 5100)
* AIX 4.1
* Linux 2.0.33
* Linux Redhat 5
*/
/*
* nfs - A shell that provides access to NFS file systems
*
* Contributions:
* - Source routing inspired by Casper Dik's code.
* - Linux modifications (and other cleanup) inspired by Marc Heuse
* - Porting to NFSv3 done by Michael Brown
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <signal.h>
#include <setjmp.h>
#include <netdb.h>
#include <errno.h>
#ifdef AIX
#define blkcnt_t long /* hack alert */
#endif
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include <rpc/rpc.h>
#include <rpc/key_prot.h>
#include <rpc/pmap_clnt.h>
#ifdef SYSV
#include <rpc/clnt_soc.h>
#endif
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <sys/sysmacros.h>
#include "mount.h"
#include "nfs_prot.h"
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#ifdef READLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif
/*
* Missing from clnt.h on Linux
*/
#ifndef CLSET_FD_CLOSE
#define CLSET_FD_CLOSE 8 /* close fd while clnt_destroy */
#endif
/*
* Fundamental constants
*/
#define NARGVEC 100 /* maximum number of arguments */
/*
* File modes
*/
#ifndef IFCHR
#define IFCHR 0020000 /* character special */
#define IFBLK 0060000 /* block special */
#define IFSOCK 0140000 /* socket */
#endif /* IFCHR */
/*
* NFS mount options
*/
#define NFS_OVER_UDP 01 /* use NFS over UDP/IP */
#define NFS_OVER_TCP 02 /* use NFS over TCP/IP */
#define TRANSPORT_MASK 03 /* mask out transport */
#define THRU_PORTMAP 010 /* use portmapper proxy call */
#define MOUNT_UMOUNT 020 /* mount followed by umount */
/*
* List of command identifiers
*/
#define CMD_UNKNOWN 0 /* unknown command */
#define CMD_HOST 1 /* host <host> */
#define CMD_UID 2 /* uid [<uid> [<secret-key>]] */
#define CMD_GID 3 /* gid [<gid>] */
#define CMD_CD 4 /* cd [<path>] */
#define CMD_LCD 5 /* lcd [<path>] */
#define CMD_CAT 6 /* cat <filespec> */
#define CMD_LS 7 /* ls [-l] <filespec> */
#define CMD_GET 8 /* get <filespec> */
#define CMD_DF 9 /* df */
#define CMD_MOUNT 10 /* mount [-upTU] <path> */
#define CMD_UMOUNT 11 /* umount */
#define CMD_UMOUNTALL 12 /* umountall */
#define CMD_EXPORT 13 /* export */
#define CMD_DUMP 14 /* dump */
#define CMD_STATUS 15 /* status */
#define CMD_HELP 16 /* help */
#define CMD_QUIT 17 /* quit */
#define CMD_RM 18 /* rm <file> */
#define CMD_LN 19 /* ln <file1> <file2> */
#define CMD_MV 20 /* mv <file1> <file2> */
#define CMD_MKDIR 21 /* mkdir <dir> */
#define CMD_RMDIR 22 /* rmdir <dir> */
#define CMD_CHMOD 23 /* chmod <mode> <file> */
#define CMD_CHOWN 24 /* chown <uid>[.<gid>] <file> */
#define CMD_PUT 25 /* put <local-file> [<remote-file>] */
#define CMD_HANDLE 26 /* handle [<file-handle>] */
#define CMD_MKNOD 27 /* mknod <name> [b/c major minor] [p] */
/*
* Key word table
*/
struct keyword {
char *kw_command;
int kw_value;
char *kw_help;
} keyword[] = {
{ "host", CMD_HOST, "<host> - set remote host name" },
{ "uid", CMD_UID, "[<uid> [<secret-key>]] - set remote user id" },
{ "gid", CMD_GID, "[<gid>] - set remote group id" },
{ "cd", CMD_CD, "[<path>] - change remote working directory" },
{ "lcd", CMD_LCD, "[<path>] - change local working directory" },
{ "cat", CMD_CAT, "<filespec> - display remote file" },
{ "ls", CMD_LS, "[-l] <filespec> - list remote directory" },
{ "get", CMD_GET, "<filespec> - get remote files" },
{ "df", CMD_DF, "- file system information" },
{ "rm", CMD_RM, "<file> - delete remote file" },
{ "ln", CMD_LN, "<file1> <file2> - link file" },
{ "mv", CMD_MV, "<file1> <file2> - move file" },
{ "mkdir", CMD_MKDIR, "<dir> - make remote directory" },
{ "rmdir", CMD_RMDIR, "<dir> - remove remote directory" },
{ "chmod", CMD_CHMOD, "<mode> <file> - change mode" },
{ "chown", CMD_CHOWN, "<uid>[.<gid>] <file> - change owner" },
{ "put", CMD_PUT, "<local-file> [<remote-file>] - put file" },
{ "mount", CMD_MOUNT, "[-upTU] [-P port] <path> - mount file system" },
{ "umount", CMD_UMOUNT, "- umount remote file system" },
{ "umountall",CMD_UMOUNTALL,"- umount all remote file systems" },
{ "export", CMD_EXPORT, "- show all exported file systems" },
{ "dump", CMD_DUMP, "- show all remote mounted file systems" },
{ "status", CMD_STATUS, "- general status report" },
{ "help", CMD_HELP, "- this help message" },
{ "quit", CMD_QUIT, "- its all in the name" },
{ "bye", CMD_QUIT, "- good bye" },
{ "handle", CMD_HANDLE, "[<handle>] - get/set directory file handle" },
{ "mknod", CMD_MKNOD, "<name> [b/c major minor] [p] - make device" }
};
/* run-time settable flags */
int verbose = 1; /* verbosity flag */
int interact = 1; /* interactive mode */
/* user provided credentials */
int authtype = AUTH_UNIX; /* type of authentication */
int uid = -2; /* remote user id (initialy nobody) */
int gid = -2; /* remote group id (initialy nobody) */
keybuf secretkey; /* remote user's secret key */
/* server information (also used as state information) */
char *mountpath = NULL; /* remote mount path */
char *remotehost = NULL; /* remote host name */
struct sockaddr_in server_addr; /* remote server address information */
struct sockaddr_in mntserver_addr; /* remote mount server address */
struct sockaddr_in nfsserver_addr; /* remote nfs server address */
CLIENT *mntclient = NULL; /* mount RPC client */
CLIENT *nfsclient = NULL; /* nfs RPC client */
mountres3 *mountpoint = NULL; /* remote mount point */
nfs_fh3 directory_handle; /* current directory handle */
struct timeval timeout = { 60, 0 }; /* default time out */
int transfersize; /* NFS default transfer size */
/* interrupt environments */
jmp_buf intenv; /* where to go in interrupts */
void interrupt(int);
int command(char *);
int ngetline(char *, int, int *, char **, int);
void do_host(int, char **);
void do_setuid(int, char **);
void do_setgid(int, char **);
void do_cd(int, char **);
void do_lcd(int, char **);
void do_cat(int, char **);
void do_ls(int, char **);
void do_get(int, char **);
void do_df(int, char **);
void do_rm(int, char **);
void do_ln(int, char **);
void do_mv(int, char **);
void do_mkdir(int, char **);
void do_rmdir(int, char **);
void do_chmod(int, char **);
void do_mknod(int, char **);
void do_chown(int, char **);
void do_put(int, char **);
void do_handle(int, char **);
void do_mount(int, char **);
void do_umount(int, char **);
void do_umountall(int, char **);
void do_export(int, char **);
void do_dump(int, char **);
void do_status(int, char **);
void do_help(int, char **);
AUTH *create_authenticator(void);
char *nfs_error(enum nfsstat3);
int open_mount(char *);
void close_mount(void);
int sourceroute(char *, struct sockaddr_in *, int, int);
int open_nfs(char *, int, int);
mountres3 *pmap_mnt(dirpath *, struct sockaddr_in *);
int determine_transfersize(void);
int setup(int , struct sockaddr_in *, int, int);
int privileged(int, struct sockaddr_in *);
void close_nfs(void);
int getdirentries(nfs_fh3 *, char ***, char ***, int);
void printfilestatus(char *file);
int writefiledate(time_t);
int match(char *, int, char **);
int matchpattern(char *, char *);
int amatchpattern(char *, char *);
int umatchpattern(char *, char *);
void*
memcpy(void *dest, const void *src, size_t n);
void*
fhandle3copy(fhandle3 *dest, const fhandle3 *src)
{
dest->fhandle3_len = src->fhandle3_len;
return memcpy(dest->fhandle3_val, src->fhandle3_val, FHSIZE3);
}
void*
fhandle3_to_nfs_fh3(nfs_fh3 *dest, const fhandle3 *src)
{
dest->data.data_len = src->fhandle3_len;
return memcpy(dest->data.data_val, src->fhandle3_val, MIN(NFS3_FHSIZE,FHSIZE3));
}
void*
nfs_fh3copy(nfs_fh3 *dest, const nfs_fh3 *src)
{
dest->data.data_len = src->data.data_len;
return memcpy(dest->data.data_val, src->data.data_val, NFS3_FHSIZE);
}
int
main(int argc, char **argv)
{
int opt, cmd, argcount;
char *argvec[NARGVEC];
char buffer[BUFSIZ];
/* command line option processing */
while ((opt = getopt(argc, argv, "vi")) != EOF) {
switch (opt) {
case 'v':
verbose = 0;
break;
case 'i':
interact = 0;
break;
default:
fprintf(stderr, "Usage: %s [-vi]\n"
"\t-v\tverbose off\n"
"\t-i\tinteractive mode off\n", argv[0]);
exit(1);
}
}
signal(SIGINT, interrupt);
/* interpreter's main command loop */
if (setjmp(intenv)) putchar('\n');
while (ngetline(buffer, BUFSIZ, &argcount, argvec, NARGVEC)) {
if (argcount == 0) continue;
if ((cmd = command(argvec[0])) == CMD_QUIT)
break;
else switch (cmd) {
case CMD_HOST:
do_host(argcount, argvec);
break;
case CMD_UID:
do_setuid(argcount, argvec);
break;
case CMD_GID:
do_setgid(argcount, argvec);
break;
case CMD_CD:
do_cd(argcount, argvec);
break;
case CMD_LCD:
do_lcd(argcount, argvec);
break;
case CMD_CAT:
do_cat(argcount, argvec);
break;
case CMD_LS:
do_ls(argcount, argvec);
break;
case CMD_GET:
do_get(argcount, argvec);
break;
case CMD_DF:
do_df(argcount, argvec);
break;
case CMD_RM:
do_rm(argcount, argvec);
break;
case CMD_LN:
do_ln(argcount, argvec);
break;
case CMD_MV:
do_mv(argcount, argvec);
break;
case CMD_MKDIR:
do_mkdir(argcount, argvec);
break;
case CMD_RMDIR:
do_rmdir(argcount, argvec);
break;
case CMD_CHMOD:
do_chmod(argcount, argvec);
break;
case CMD_CHOWN:
do_chown(argcount, argvec);
break;
case CMD_PUT:
do_put(argcount, argvec);
break;
case CMD_HANDLE:
do_handle(argcount, argvec);
break;
case CMD_MKNOD:
do_mknod(argcount, argvec);
break;
case CMD_MOUNT:
do_mount(argcount, argvec);
break;
case CMD_UMOUNT:
do_umount(argcount, argvec);
break;
case CMD_UMOUNTALL:
do_umountall(argcount, argvec);
break;
case CMD_EXPORT:
do_export(argcount, argvec);
break;
case CMD_DUMP:
do_dump(argcount, argvec);
break;
case CMD_STATUS:
do_status(argcount, argvec);
break;
case CMD_HELP:
do_help(argcount, argvec);
break;
case CMD_UNKNOWN:
if (buffer[0] == '!') {
system(buffer + 1);
printf("!\n");
} else
fprintf(stderr, "%s: unrecognized command\n", argvec[0]);
break;
default:
fprintf(stderr, "internal error: '%s' not is case\n", argvec[0]);
break;
}
}
if (remotehost) close_mount();
exit(0);
}
void
interrupt(int signo)
{
signal(SIGINT, (void (*)(int))interrupt);
longjmp(intenv, 1);
}
/*
* Read a line from standard input and break
* it up into an argument vector.
*/
int
ngetline(char *buf, int bufsize, int *argc, char **argv, int argvsize)
{
register char *p;
#ifdef READLINE
if (interact) {
char *line;
if ((line = readline("nfs> ")) == NULL)
return 0;
strncpy(buf, line, bufsize);
add_history(line);
free(line);
} else {
if (fgets(buf, bufsize, stdin) == NULL)
return 0;
}
#else
if (interact) printf("nfs> ");
if (fgets(buf, bufsize, stdin) == NULL)
return 0;
#endif
*argc = 0;
for (p = buf; *p == ' ' || *p == '\t'; p++)
/* skip white spaces */;
while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') {
if (*argc > argvsize) break;
argv[(*argc)++] = p;
for (; *p != ' ' && *p != '\t' && *p != '\n' && *p != '\0'; p++)
/* skip word */;
if (*p != '\0') *p++ ='\0';
for (; *p == ' ' || *p == '\t'; p++)
/* skip white spaces */;
}
return 1;
}
/*
* Search for command in keyword table
*/
int
command(char *cmd)
{
register int i;
for (i = 0; i < sizeof(keyword)/sizeof(struct keyword); i++)
if (strcmp(keyword[i].kw_command, cmd) == 0)
return keyword[i].kw_value;
return CMD_UNKNOWN;
}
/*
* Set remote host and initialize RPC channel
* to mount daemon.
*/
void
do_host(int argc, char **argv)
{
if (argc != 2)
fprintf(stderr, "Usage: host <host>\n");
else
open_mount(argv[1]);
}
/*
* Set user id (updating RPC authentication info)
*/
void
do_setuid(int argc, char **argv)
{
if (argc > 3) {
fprintf(stderr, "Usage: uid [<uid> [<secret-key>]]\n");
return;
}
if (argc <= 2) {
authtype = AUTH_UNIX;
uid = argc == 1 ? -2 : atoi(argv[1]);
} else if (argc == 3) {
authtype = AUTH_DES;
memcpy(secretkey, argv[2], HEXKEYBYTES);
}
if (nfsclient) {
if (nfsclient->cl_auth)
auth_destroy(nfsclient->cl_auth);
nfsclient->cl_auth = create_authenticator();
}
}
/*
* Set group id (updating RPC authentication info)
*/
void
do_setgid(int argc, char **argv)
{
gid = argc == 2 ? atoi(argv[1]) : -2;
if (nfsclient) {
if (nfsclient->cl_auth)
auth_destroy(nfsclient->cl_auth);
nfsclient->cl_auth = create_authenticator();
}
}
/*
* Change remote working directory
*/
void
do_cd(int argc, char **argv)
{
register char *p;
char *component;
LOOKUP3args args;
LOOKUP3res *res;
nfs_fh3 handle;
if (mountpath == NULL) {
fprintf(stderr, "cd: no remote file system mounted\n");
return;
}
/* easy case: cd to root */
if (argc == 1) {
fhandle3_to_nfs_fh3(&directory_handle, &mountpoint->mountres3_u.mountinfo.fhandle);
return;
}
/* if a directory start with '/', we search from the root */
if (*(p = argv[1]) == '/') {
fhandle3_to_nfs_fh3(&handle, &mountpoint->mountres3_u.mountinfo.fhandle);
p++;
} else
nfs_fh3copy(&handle, &directory_handle);
/*
* Break path up into directory components and check every
* component for its validity.
*/
for (;;) {
if (*p == '\0') break;
for (component = p; *p != '/' && *p != '\0'; p++)
/* do nothing */;
*p++ = '\0';
args.what.name = component;
nfs_fh3copy(&args.what.dir, &handle);
if ((res = nfs3_lookup_3(&args, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_lookup");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "%s: %s\n", component, nfs_error(res->status));
return;
}
if (res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.type != NF3DIR) {
fprintf(stderr, "%s: is not a directory\n", component);
return;
}
nfs_fh3copy(&handle, &res->LOOKUP3res_u.resok.object);
}
nfs_fh3copy(&directory_handle, &handle);
}
/*
* Change local working directory
*/
void
do_lcd(int argc, char **argv)
{
if (argc == 1) {
char *home = getenv("HOME");
if (home != NULL)
if (chdir(home) != 0) perror("lcd");
} else
if (chdir(argv[1]) != 0) perror("lcd");
}
/*
* Display a remote file
*/
void
do_cat(int argc, char **argv)
{
LOOKUP3args dargs;
LOOKUP3res *dres;
READ3args rargs;
READ3res *rres;
long offset;
if (mountpath == NULL) {
fprintf(stderr, "cat: no remote file system mounted\n");
return;
}
if (argc != 2) {
fprintf(stderr, "Usage: cat <filespec>\n");
return;
}
/* lookup name in current directory */
dargs.what.name = argv[1];
nfs_fh3copy(&dargs.what.dir, &directory_handle);
if ((dres = nfs3_lookup_3(&dargs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_lookup");
return;
}
if (dres->status != NFS3_OK) {
fprintf(stderr, "%s: %s\n", argv[1], nfs_error(dres->status));
return;
}
if (dres->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.type != NF3REG) {
fprintf(stderr, "%s: is not a regular file\n", argv[1]);
return;
}
nfs_fh3copy(&rargs.file, &dres->LOOKUP3res_u.resok.object);
for (offset = 0; offset < dres->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.size; ) {
rargs.offset = offset;
rargs.count = transfersize;
if ((rres = nfs3_read_3(&rargs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_read_3");
break;
}
if (rres->status != NFS3_OK) {
fprintf(stderr, "%s: %s\n", argv[1], nfs_error(rres->status));
break;
}
fwrite(rres->READ3res_u.resok.data.data_val,
rres->READ3res_u.resok.data.data_len, 1, stdout);
offset += transfersize;
}
}
/*
* List remote directory
*/
void
do_ls(int argc, char **argv)
{
char **table, **ptr, **p;
int lflag = 0;
argv++; argc--;
if (mountpath == NULL) {
fprintf(stderr, "ls: no remote file system mounted\n");
return;
}
if (argc >= 1 && strcmp(argv[0], "-l") == 0) {
argv++; argc--;
lflag = 1;
}
if (!getdirentries(&directory_handle, &table, &ptr, 20))
return;
for (p = table; p < ptr; p++) {
if (!match(*p, argc, argv)) continue;
if (lflag == 1)
printfilestatus(*p);
else
printf("%s\n", *p);
free(*p);
}
free(table);
}
/*
* Print long listing of a files, much in the way ``ls -l'' does
*/
void
printfilestatus(char *file)
{
LOOKUP3args args;
LOOKUP3res *res;
int mode;
args.what.name = file;
nfs_fh3copy(&args.what.dir, &directory_handle);
if ((res = nfs3_lookup_3(&args, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_lookup");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "Lookup failed: %s\n", nfs_error(res->status));
return;
}
switch (res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.type) {
case NF3SOCK:
putchar('s');
break;
case NF3FIFO:
putchar('p');
break;
case NF3REG:
putchar('-');
break;
case NF3DIR:
putchar('d');
break;
case NF3BLK:
putchar('b');
break;
case NF3CHR:
putchar('c');
break;
case NF3LNK:
putchar('l');
break;
default:
putchar('?');
break;
}
mode = res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.mode;
if (mode & 0400) putchar('r'); else putchar('-');
if (mode & 0200) putchar('w'); else putchar('-');
if (mode & 0100)
if (mode & 04000) putchar('s'); else putchar('x');
else
if (mode & 04000) putchar('S'); else putchar('-');
if (mode & 040) putchar('r'); else putchar('-');
if (mode & 020) putchar('w'); else putchar('-');
if (mode & 010)
if (mode & 02000) putchar('s'); else putchar('x');
else
if (mode & 02000) putchar('S'); else putchar('-');
if (mode & 04) putchar('r'); else putchar('-');
if (mode & 02) putchar('w'); else putchar('-');
if (mode & 01)
if (mode & 01000) putchar('t'); else putchar('x');
else
if (mode & 01000) putchar('T'); else putchar('-');
printf("%3d%9d%6d%10ld ",
res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.nlink,
res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.uid,
res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.gid,
res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.size);
writefiledate(res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.ctime.seconds);
printf(" %s", file);
if (res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.type == NF3LNK) {
READLINK3res *rlres;
READLINK3args rlargs;
nfs_fh3copy(&rlargs.symlink, &res->LOOKUP3res_u.resok.object);
if ((rlres = nfs3_readlink_3(&rlargs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_readlink");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "Lookup failed: %s\n", nfs_error(res->status));
return;
}
printf(" -> %s\n", rlres->READLINK3res_u.resok.data);
} else
putchar('\n');
}
int
writefiledate(time_t d)
{
time_t now, sixmonthsago, onehourfromnow;
char *cp;
(void) time(&now);
sixmonthsago = now - 6L*30L*24L*60L*60L;
onehourfromnow = now + 60L*60L;
cp = ctime(&d);
if ((d < sixmonthsago) || (d > onehourfromnow))
return printf(" %-7.7s %-4.4s ", cp+4, cp+20);
else
return printf(" %-12.12s ", cp+4);
}
/*
* Get remote files
*/
void
do_get(int argc, char **argv)
{
char **table, **ptr, **p;
char answer[512];
LOOKUP3args args;
LOOKUP3res *res;
READ3args rargs;
READ3res *rres;
int iflag = 0;
long offset;
FILE *fp;
argv++; argc--;
if (mountpath == NULL) {
fprintf(stderr, "get: no remote file system mounted\n");
return;
}
if (argc >= 1 && strcmp(argv[0], "-i") == 0) {
argv++; argc--;
iflag = 1;
}
if (!getdirentries(&directory_handle, &table, &ptr, 20))
return;
for (p = table; p < ptr; p++) {
/* match before going over the wire */
if (!match(*p, argc, argv)) continue;
/* only regular files can be transfered */
args.what.name = *p;
nfs_fh3copy(&args.what.dir, &directory_handle);
if ((res = nfs3_lookup_3(&args, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_lookup");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "Lookup failed: %s\n", nfs_error(res->status));
return;
}
if (res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes.type != NF3REG)
continue;
/* ask for confirmation */
printf("%s? ", *p);
if (!iflag) {
if (fgets(answer, sizeof(answer), stdin) == NULL)
continue;
if (answer[0] != 'y' && answer[0] != 'Y')
continue;
} else
printf("Yes\n");
/* get actual file */
if ((fp = fopen(*p, "w")) == NULL) {
fprintf(stderr, "get: cannot create %s\n", *p);
continue;
}
nfs_fh3copy(&rargs.file, &res->LOOKUP3res_u.resok.object);
for (offset = 0; offset < res->LOOKUP3res_u.resok.dir_attributes.post_op_attr_u.attributes.size; ) {
rargs.offset = offset;
rargs.count = transfersize;
if ((rres = nfs3_read_3(&rargs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_read");
break;
}
if (rres->status != NFS3_OK) {
fprintf(stderr, "%s: %s\n", argv[1], nfs_error(rres->status));
break;
}
fwrite(rres->READ3res_u.resok.data.data_val,
rres->READ3res_u.resok.data.data_len, 1, fp);
offset += transfersize;
}
fclose(fp);
free(*p);
}
free(table);
}
/*
* Show file system information
*/
/* ARGUSED */
void
do_df(int argc, char **argv)
{
FSSTAT3args args;
FSSTAT3res *res;
if (mountpath == NULL) {
fprintf(stderr, "df: no remote file system mounted\n");
return;
}
if (argc != 1) {
fprintf(stderr, "Usage: df\n");
return;
}
fhandle3_to_nfs_fh3(&args.fsroot, &mountpoint->mountres3_u.mountinfo.fhandle);
if ((res = nfs3_fsstat_3(&args, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_fsstat");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "Df failed: %s\n", nfs_error(res->status));
return;
}
#define x res->FSSTAT3res_u.resok
printf("%s:%s %ldK, %ldK used, %ldK free (%ldK useable).\n",
remotehost, mountpath,
x.tbytes/1024, (x.tbytes-x.fbytes)/1024,
x.fbytes/1024, x.abytes/1024);
#undef x
}
/*
* Delete a remote file
*/
void
do_rm(int argc, char **argv)
{
REMOVE3args args;
REMOVE3res *res;
if (mountpath == NULL) {
fprintf(stderr, "rm: no remote file system mounted\n");
return;
}
if (argc != 2) {
fprintf(stderr, "Usage: rm <file>\n");
return;
}
args.object.name = argv[1];
nfs_fh3copy(&args.object.dir, &directory_handle);
if ((res = nfs3_remove_3(&args, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_remove");
return;
}
if (res->status != NFS3_OK) {
fprintf(stderr, "Remove failed: %s\n", nfs_error(res->status));
return;
}
}
/*
* Link a file
*/
void
do_ln(int argc, char **argv)
{
LOOKUP3args dargs;
LOOKUP3res *dres;
LINK3args largs;
LINK3res *lres;
if (mountpath == NULL) {
fprintf(stderr, "ln: no remote file system mounted\n");
return;
}
if (argc != 3) {
fprintf(stderr, "Usage: ln <file1> <file2>\n");
return;
}
dargs.what.name = argv[1];
nfs_fh3copy(&dargs.what.dir, &directory_handle);
if ((dres = nfs3_lookup_3(&dargs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_lookup");
return;
}
if (dres->status != NFS3_OK) {
fprintf(stderr, "%s: %s\n", argv[1], nfs_error(dres->status));
return;
}
nfs_fh3copy(&largs.file, &dres->LOOKUP3res_u.resok.object);
largs.link.name = argv[2];
nfs_fh3copy(&largs.link.dir, &directory_handle);
if ((lres = nfs3_link_3(&largs, nfsclient)) == NULL) {
clnt_perror(nfsclient, "nfs3_link");
return;
}
if (lres->status != NFS3_OK) {
fprintf(stderr, "Link failed: %s\n", nfs_error(lres->status));
return;
}
}
/*
* Move a file or directory
*/
void
do_mv(int argc, char **argv)
{
RENAME3args args;
RENAME3res *res;
if (mountpath == NULL) {
fprintf(stderr, "mv: no remote file system mounted\n");
return;
}
if (argc != 3) {
fprintf(stderr, "Usage: mv <file1> <file2>\n");