* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
* %sccs.include.redist.c%
static char sccsid
[] = "@(#)dumprmt.c 8.3 (Berkeley) %G%";
#include <ufs/ufs/dinode.h>
#include <protocols/dumprestore.h>
static int rmtstate
= TS_CLOSED
;
static int okname
__P((char *));
static int rmtcall
__P((char *, char *));
static void rmtconnaborted
__P((/* int, int */));
static int rmtgetb
__P((void));
static void rmtgetconn
__P((void));
static void rmtgets
__P((char *, int));
static int rmtreply
__P((char *));
extern int ntrec
; /* blocking factor on tape */
rmtpeer
= malloc(strlen(host
) + 1);
signal(SIGPIPE
, rmtconnaborted
);
errx(1, "Lost connection to remote host.");
static struct servent
*sp
= NULL
;
static struct passwd
*pwd
= NULL
;
sp
= getservbyname("shell", "tcp");
errx(1, "shell/tcp: unknown service");
pwd
= getpwuid(getuid());
if ((cp
= strchr(rmtpeer
, '@')) != NULL
) {
rmtape
= rcmd(&rmtpeer
, (u_short
)sp
->s_port
, pwd
->pw_name
, tuser
,
if (size
> 60 * 1024) /* XXX */
/* Leave some space for rmt request/response protocol */
while (size
> TP_BSIZE
&&
setsockopt(rmtape
, SOL_SOCKET
, SO_SNDBUF
, &size
, sizeof (size
)) < 0)
(void)setsockopt(rmtape
, SOL_SOCKET
, SO_RCVBUF
, &size
, sizeof (size
));
if (setsockopt(rmtape
, IPPROTO_TCP
, TCP_MAXSEG
,
&maxseg
, sizeof (maxseg
)) < 0)
perror("TCP_MAXSEG setsockopt");
if (setsockopt(rmtape
, IPPROTO_TCP
, TCP_NODELAY
, &on
, sizeof (on
)) < 0)
perror("TCP_NODELAY setsockopt");
for (cp
= cp0
; *cp
; cp
++) {
if (!isascii(c
) || !(isalnum(c
) || c
== '_' || c
== '-')) {
warnx("invalid user name: %s", cp0
);
(void)sprintf(buf
, "O%s\n%d\n", tape
, mode
);
return (rmtcall(tape
, buf
));
(void)sprintf(line
, "R%d\n", count
);
n
= rmtcall("read", line
);
for (i
= 0; i
< n
; i
+= cc
) {
cc
= read(rmtape
, buf
+i
, n
- i
);
(void)sprintf(line
, "W%d\n", count
);
write(rmtape
, line
, strlen(line
));
write(rmtape
, buf
, count
);
return (rmtreply("write"));
(void)sprintf(line
, "W%d\n", count
);
write(rmtape
, line
, strlen(line
));
write(rmtape
, buf
, count
);
return (rmtreply("write"));
(void)sprintf(line
, "L%d\n%d\n", offset
, pos
);
return (rmtcall("seek", line
));
rmtcall("status", "S\n");
for (i
= 0, cp
= (char *)&mts
; i
< sizeof(mts
); i
++)
(void)sprintf(buf
, "I%d\n%d\n", cmd
, count
);
return (rmtcall("ioctl", buf
));
if (write(rmtape
, buf
, strlen(buf
)) != strlen(buf
))
char code
[30], emsg
[BUFSIZ
];
rmtgets(code
, sizeof (code
));
if (*code
== 'E' || *code
== 'F') {
rmtgets(emsg
, sizeof (emsg
));
msg("%s: %s", cmd
, emsg
);
/* Kill trailing newline */
cp
= code
+ strlen(code
);
if (cp
> code
&& *--cp
== '\n')
msg("Protocol to remote tape server botched (code \"%s\").\n",
if (read(rmtape
, &c
, 1) != 1)
/* Get a line (guaranteed to have a trailing newline). */
register char *cp
= line
;
msg("Protocol to remote tape server botched.\n");
msg("(rmtgets got \"%s\").\n", line
);