849 lines
16 KiB
C
849 lines
16 KiB
C
/*
|
|
* Copyright (c) 1983 Regents of the University of California.
|
|
* All rights reserved. The Berkeley software License Agreement
|
|
* specifies the terms and conditions for redistribution.
|
|
*/
|
|
|
|
#ifndef lint
|
|
char copyright[] =
|
|
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
|
|
All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)rcp.c 1.1 87/12/21 SMI"; /* from UCB 5.3 6/8/85"*/
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* rcp
|
|
*/
|
|
|
|
#undef _MINIX
|
|
#define NAMESERVER
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <utime.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <dirent.h>
|
|
#include <fcntl.h>
|
|
#include <pwd.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
|
|
#include <net/gen/netdb.h>
|
|
#include <net/netlib.h>
|
|
|
|
#if __STDC__
|
|
#define PROTO(func, args) func args
|
|
#else
|
|
#define PROTO(func, args) func ()
|
|
#endif /* __STDC__ */
|
|
|
|
PROTO (int main, (int argc, char *argv[]));
|
|
PROTO (void lostconn, (int sig));
|
|
PROTO (void error, (char *fmt, ...) );
|
|
PROTO (int response, (void) );
|
|
PROTO (void source, (int argc, char *argv[]) );
|
|
PROTO (void sink, (int argc, char *argv[]) );
|
|
PROTO (void usage, (void) );
|
|
PROTO (char *colon, (char *cp) );
|
|
PROTO (int okname, (char *cp0) );
|
|
PROTO (int susystem, (char *s) );
|
|
PROTO (void verifydir, (char *cp) );
|
|
PROTO (void rsource, (char *name, struct stat *statp) );
|
|
PROTO (struct buffer *allocbuf, (struct buffer *bp, int fd, int blksize) );
|
|
|
|
#define vfork fork
|
|
|
|
int rem;
|
|
int errs;
|
|
int errno;
|
|
int iamremote, targetshouldbedirectory;
|
|
int iamrecursive;
|
|
int myuid; /* uid of invoker */
|
|
int pflag;
|
|
struct passwd *pwd;
|
|
int userid;
|
|
int port;
|
|
|
|
struct buffer {
|
|
int cnt;
|
|
char *buf;
|
|
};
|
|
|
|
|
|
#define ga() (void) write(rem, "", 1)
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
char *targ, *host, *src;
|
|
#ifndef NAMESERVER
|
|
char *suser, *tuser;
|
|
#else /* NAMESERVER */
|
|
char *suser, *tuser, *thost;
|
|
#endif /* NAMESERVER */
|
|
int i;
|
|
char buf[BUFSIZ], cmd[16];
|
|
struct servent *sp;
|
|
|
|
sp = getservbyname("shell", "tcp");
|
|
if (sp == NULL) {
|
|
fprintf(stderr, "rcp: shell/tcp: unknown service\n");
|
|
exit(1);
|
|
}
|
|
port = sp->s_port;
|
|
pwd = getpwuid(userid = getuid());
|
|
if (pwd == 0) {
|
|
fprintf(stderr, "who are you?\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef NOT_DEF
|
|
/*
|
|
* This is a kludge to allow seteuid to user before touching
|
|
* files and seteuid root before doing rcmd so we can open
|
|
* the socket.
|
|
*/
|
|
myuid = getuid();
|
|
if (setruid(0) < 0) {
|
|
perror("setruid root");
|
|
exit(1);
|
|
}
|
|
seteuid(myuid);
|
|
#endif
|
|
|
|
for (argc--, argv++; argc > 0 && **argv == '-'; argc--, argv++) {
|
|
(*argv)++;
|
|
while (**argv) switch (*(*argv)++) {
|
|
|
|
case 'r':
|
|
iamrecursive++;
|
|
break;
|
|
|
|
case 'p': /* preserve mtimes and atimes */
|
|
pflag++;
|
|
break;
|
|
|
|
/* The rest of these are not for users. */
|
|
case 'd':
|
|
targetshouldbedirectory = 1;
|
|
break;
|
|
|
|
case 'f': /* "from" */
|
|
iamremote = 1;
|
|
(void) response();
|
|
source(--argc, ++argv);
|
|
exit(errs);
|
|
|
|
case 't': /* "to" */
|
|
iamremote = 1;
|
|
sink(--argc, ++argv);
|
|
exit(errs);
|
|
|
|
default:
|
|
usage();
|
|
exit(1);
|
|
}
|
|
}
|
|
if (iamremote)
|
|
{
|
|
close(2);
|
|
open("/dev/tty", 2);
|
|
}
|
|
|
|
if (argc < 2) {
|
|
usage();
|
|
exit(1);
|
|
}
|
|
rem = -1;
|
|
if (argc > 2)
|
|
targetshouldbedirectory = 1;
|
|
(void) sprintf(cmd, "rcp%s%s%s",
|
|
iamrecursive ? " -r" : "", pflag ? " -p" : "",
|
|
targetshouldbedirectory ? " -d" : "");
|
|
(void) signal(SIGPIPE, lostconn);
|
|
targ = colon(argv[argc - 1]);
|
|
if (targ) { /* ... to remote */
|
|
*targ++ = 0;
|
|
if (*targ == 0)
|
|
targ = ".";
|
|
#ifndef NAMESERVER
|
|
tuser = strrchr(argv[argc - 1], '.');
|
|
if (tuser) {
|
|
*tuser++ = 0;
|
|
if (!okname(tuser))
|
|
exit(1);
|
|
} else
|
|
tuser = pwd->pw_name;
|
|
#else /* NAMESERVER */
|
|
thost = strchr(argv[argc - 1], '@');
|
|
if (thost) {
|
|
*thost++ = 0;
|
|
tuser = argv[argc - 1];
|
|
if (*tuser == '\0')
|
|
tuser = pwd->pw_name;
|
|
else if (!okname(tuser))
|
|
exit(1);
|
|
} else {
|
|
thost = argv[argc - 1];
|
|
tuser = pwd->pw_name;
|
|
}
|
|
#endif /* NAMESERVER */
|
|
for (i = 0; i < argc - 1; i++) {
|
|
src = colon(argv[i]);
|
|
if (src) { /* remote to remote */
|
|
*src++ = 0;
|
|
if (*src == 0)
|
|
src = ".";
|
|
#ifndef NAMESERVER
|
|
suser = strrchr(argv[i], '.');
|
|
if (suser) {
|
|
*suser++ = 0;
|
|
if (!okname(suser))
|
|
#else /* NAMESERVER */
|
|
host = strchr(argv[i], '@');
|
|
if (host) {
|
|
*host++ = 0;
|
|
suser = argv[i];
|
|
if (*suser == '\0')
|
|
suser = pwd->pw_name;
|
|
else if (!okname(suser))
|
|
#endif /* NAMESERVER */
|
|
continue;
|
|
#ifndef NAMESERVER
|
|
(void) sprintf(buf, "rsh %s -l %s -n %s %s '%s.%s:%s'",
|
|
argv[i], suser, cmd, src,
|
|
argv[argc - 1], tuser, targ);
|
|
} else
|
|
(void) sprintf(buf, "rsh %s -n %s %s '%s.%s:%s'",
|
|
argv[i], cmd, src,
|
|
argv[argc - 1], tuser, targ);
|
|
#else /* NAMESERVER */
|
|
(void) sprintf(buf, "rsh %s -l %s -n %s %s '%s@%s:%s'",
|
|
host, suser, cmd, src,
|
|
tuser, thost, targ);
|
|
} else
|
|
(void) sprintf(buf, "rsh %s -n %s %s '%s@%s:%s'",
|
|
argv[i], cmd, src,
|
|
tuser, thost, targ);
|
|
#endif /* NAMESERVER */
|
|
(void) susystem(buf);
|
|
} else { /* local to remote */
|
|
if (rem == -1) {
|
|
(void) sprintf(buf, "%s -t %s",
|
|
cmd, targ);
|
|
#ifndef NAMESERVER
|
|
host = argv[argc - 1];
|
|
#else /* NAMESERVER */
|
|
host = thost;
|
|
#endif /* NAMESERVER */
|
|
#ifdef NOT_DEF
|
|
if (seteuid(0) < 0) {
|
|
perror("seteuid root");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
rem = rcmd(&host, port, pwd->pw_name,
|
|
tuser, buf, 0);
|
|
#ifdef NO_DEF
|
|
seteuid(myuid);
|
|
#endif
|
|
if (rem < 0)
|
|
exit(1);
|
|
if (response() < 0)
|
|
exit(1);
|
|
}
|
|
source(1, argv+i);
|
|
}
|
|
}
|
|
} else { /* ... to local */
|
|
if (targetshouldbedirectory)
|
|
verifydir(argv[argc - 1]);
|
|
for (i = 0; i < argc - 1; i++) {
|
|
src = colon(argv[i]);
|
|
if (src == 0) { /* local to local */
|
|
(void) sprintf(buf, "cp%s%s %s %s",
|
|
iamrecursive ? " -r" : "",
|
|
pflag ? " -p" : "",
|
|
argv[i], argv[argc - 1]);
|
|
(void) susystem(buf);
|
|
} else { /* remote to local */
|
|
*src++ = 0;
|
|
if (*src == 0)
|
|
src = ".";
|
|
#ifndef NAMESERVER
|
|
suser = strrchr(argv[i], '.');
|
|
if (suser) {
|
|
*suser++ = 0;
|
|
if (!okname(suser))
|
|
#else /* NAMESERVER */
|
|
host = strchr(argv[i], '@');
|
|
if (host) {
|
|
*host++ = 0;
|
|
suser = argv[i];
|
|
if (*suser == '\0')
|
|
suser = pwd->pw_name;
|
|
else if (!okname(suser))
|
|
#endif /* NAMESERVER */
|
|
continue;
|
|
#ifndef NAMESERVER
|
|
} else
|
|
#else /* NAMESERVER */
|
|
} else {
|
|
host = argv[i];
|
|
#endif /* NAMESERVER */
|
|
suser = pwd->pw_name;
|
|
#ifdef NAMESERVER
|
|
}
|
|
#endif /* NAMESERVER */
|
|
(void) sprintf(buf, "%s -f %s", cmd, src);
|
|
#ifndef NAMESERVER
|
|
host = argv[i];
|
|
#endif /* NAMESERVER */
|
|
#ifdef NOT_DEF
|
|
if (seteuid(0) < 0) {
|
|
perror("seteuid root");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
rem = rcmd(&host, port, pwd->pw_name, suser,
|
|
buf, 0);
|
|
#ifdef NOT_DEF
|
|
seteuid(myuid);
|
|
#endif
|
|
if (rem < 0) {
|
|
errs++;
|
|
continue;
|
|
}
|
|
sink(1, argv+argc-1);
|
|
(void) close(rem);
|
|
rem = -1;
|
|
}
|
|
}
|
|
}
|
|
exit(errs);
|
|
}
|
|
|
|
void
|
|
verifydir(cp)
|
|
char *cp;
|
|
{
|
|
struct stat stb;
|
|
|
|
if (stat(cp, &stb) >= 0) {
|
|
if ((stb.st_mode & S_IFMT) == S_IFDIR)
|
|
return;
|
|
errno = ENOTDIR;
|
|
}
|
|
error("rcp: %s: %s.\n", cp, strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
char *
|
|
colon(cp)
|
|
char *cp;
|
|
{
|
|
|
|
while (*cp) {
|
|
if (*cp == ':')
|
|
return (cp);
|
|
if (*cp == '/')
|
|
return (0);
|
|
cp++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
|
|
int
|
|
okname(cp0)
|
|
char *cp0;
|
|
{
|
|
register char *cp = cp0;
|
|
register int c;
|
|
|
|
do {
|
|
c = *cp;
|
|
if (c & 0200)
|
|
goto bad;
|
|
if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-')
|
|
goto bad;
|
|
cp++;
|
|
} while (*cp);
|
|
return (1);
|
|
bad:
|
|
fprintf(stderr, "rcp: invalid user name %s\n", cp0);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
susystem(s)
|
|
char *s;
|
|
{
|
|
int status, pid, w;
|
|
register void PROTO ((*istat), (int) ), PROTO ((*qstat), (int) );
|
|
|
|
if ((pid = vfork()) == 0) {
|
|
#ifdef NOT_DEF
|
|
(void) setruid(myuid);
|
|
#endif
|
|
execl("/bin/sh", "sh", "-c", s, (char *)0);
|
|
_exit(127);
|
|
}
|
|
istat = signal(SIGINT, SIG_IGN);
|
|
qstat = signal(SIGQUIT, SIG_IGN);
|
|
while ((w = wait(&status)) != pid && w != -1)
|
|
;
|
|
if (w == -1)
|
|
status = -1;
|
|
(void) signal(SIGINT, istat);
|
|
(void) signal(SIGQUIT, qstat);
|
|
return (status);
|
|
}
|
|
|
|
void
|
|
source(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
char *last, *name;
|
|
struct stat stb;
|
|
static struct buffer buffer;
|
|
struct buffer *bp;
|
|
int x, sizerr, f, amt;
|
|
off_t i;
|
|
char buf[BUFSIZ];
|
|
|
|
for (x = 0; x < argc; x++) {
|
|
name = argv[x];
|
|
if ((f = open(name, 0)) < 0) {
|
|
error("rcp: %s: %s\n", name, strerror(errno));
|
|
continue;
|
|
}
|
|
if (fstat(f, &stb) < 0)
|
|
goto notreg;
|
|
switch (stb.st_mode&S_IFMT) {
|
|
|
|
case S_IFREG:
|
|
break;
|
|
|
|
case S_IFDIR:
|
|
if (iamrecursive) {
|
|
(void) close(f);
|
|
rsource(name, &stb);
|
|
continue;
|
|
}
|
|
/* fall into ... */
|
|
default:
|
|
notreg:
|
|
(void) close(f);
|
|
error("rcp: %s: not a plain file\n", name);
|
|
continue;
|
|
}
|
|
last = strrchr(name, '/');
|
|
if (last == 0)
|
|
last = name;
|
|
else
|
|
last++;
|
|
if (pflag) {
|
|
/*
|
|
* Make it compatible with possible future
|
|
* versions expecting microseconds.
|
|
*/
|
|
(void) sprintf(buf, "T%ld 0 %ld 0\n",
|
|
stb.st_mtime, stb.st_atime);
|
|
(void) write(rem, buf, strlen(buf));
|
|
if (response() < 0) {
|
|
(void) close(f);
|
|
continue;
|
|
}
|
|
}
|
|
(void) sprintf(buf, "C%04o %ld %s\n",
|
|
stb.st_mode&07777, stb.st_size, last);
|
|
(void) write(rem, buf, strlen(buf));
|
|
if (response() < 0) {
|
|
(void) close(f);
|
|
continue;
|
|
}
|
|
if ((bp = allocbuf(&buffer, f, BUFSIZ)) == 0) {
|
|
(void) close(f);
|
|
continue;
|
|
}
|
|
sizerr = 0;
|
|
for (i = 0; i < stb.st_size; i += bp->cnt) {
|
|
amt = bp->cnt;
|
|
if (i + amt > stb.st_size)
|
|
amt = stb.st_size - i;
|
|
if (sizerr == 0 && read(f, bp->buf, amt) != amt)
|
|
sizerr = 1;
|
|
(void) write(rem, bp->buf, amt);
|
|
}
|
|
(void) close(f);
|
|
if (sizerr == 0)
|
|
ga();
|
|
else
|
|
error("rcp: %s: file changed size\n", name);
|
|
(void) response();
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
rsource(name, statp)
|
|
char *name;
|
|
struct stat *statp;
|
|
{
|
|
DIR *d = opendir(name);
|
|
char *last;
|
|
struct dirent *dp;
|
|
char buf[BUFSIZ];
|
|
char *bufv[1];
|
|
|
|
if (d == 0) {
|
|
error("rcp: %s: %s\n", name, strerror(errno));
|
|
return;
|
|
}
|
|
last = strrchr(name, '/');
|
|
if (last == 0)
|
|
last = name;
|
|
else
|
|
last++;
|
|
if (pflag) {
|
|
(void) sprintf(buf, "T%ld 0 %ld 0\n",
|
|
statp->st_mtime, statp->st_atime);
|
|
(void) write(rem, buf, strlen(buf));
|
|
if (response() < 0) {
|
|
closedir(d);
|
|
return;
|
|
}
|
|
}
|
|
(void) sprintf(buf, "D%04o %d %s\n", statp->st_mode&07777, 0, last);
|
|
(void) write(rem, buf, strlen(buf));
|
|
if (response() < 0) {
|
|
closedir(d);
|
|
return;
|
|
}
|
|
while (dp = readdir(d)) {
|
|
if (dp->d_ino == 0)
|
|
continue;
|
|
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
|
|
continue;
|
|
if (strlen(name) + 1 + strlen(dp->d_name) >= BUFSIZ - 1) {
|
|
error("%s/%s: Name too long.\n", name, dp->d_name);
|
|
continue;
|
|
}
|
|
(void) sprintf(buf, "%s/%s", name, dp->d_name);
|
|
bufv[0] = buf;
|
|
source(1, bufv);
|
|
}
|
|
closedir(d);
|
|
(void) write(rem, "E\n", 2);
|
|
(void) response();
|
|
}
|
|
|
|
int
|
|
response()
|
|
{
|
|
char resp, c, rbuf[BUFSIZ], *cp = rbuf;
|
|
|
|
if (read(rem, &resp, 1) != 1)
|
|
lostconn(0);
|
|
switch (resp) {
|
|
|
|
case 0: /* ok */
|
|
return (0);
|
|
|
|
default:
|
|
*cp++ = resp;
|
|
/* fall into... */
|
|
case 1: /* error, followed by err msg */
|
|
case 2: /* fatal error, "" */
|
|
do {
|
|
if (read(rem, &c, 1) != 1)
|
|
lostconn(0);
|
|
*cp++ = c;
|
|
} while (cp < &rbuf[BUFSIZ] && c != '\n');
|
|
if (iamremote == 0)
|
|
(void) write(2, rbuf, cp - rbuf);
|
|
errs++;
|
|
if (resp == 1)
|
|
return (-1);
|
|
exit(1);
|
|
}
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
void
|
|
lostconn(sig)
|
|
int sig;
|
|
{
|
|
|
|
if (iamremote == 0)
|
|
fprintf(stderr, "rcp: lost connection\n");
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
sink(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
off_t i, j, size;
|
|
char *targ, *whopp, *cp;
|
|
int of, mode, wrerr, exists, first, count, amt;
|
|
struct buffer *bp;
|
|
static struct buffer buffer;
|
|
struct stat stb;
|
|
int targisdir = 0;
|
|
int mask = umask(0);
|
|
char *myargv[1];
|
|
char cmdbuf[BUFSIZ], nambuf[BUFSIZ];
|
|
int setimes = 0;
|
|
struct utimbuf utimbuf;
|
|
#define atime utimbuf.actime
|
|
#define mtime utimbuf.modtime
|
|
time_t dummy;
|
|
#define SCREWUP(str) { whopp = str; goto screwup; }
|
|
|
|
#ifdef NOT_DEF
|
|
seteuid(pwd->pw_uid);
|
|
#endif
|
|
if (!pflag)
|
|
(void) umask(mask);
|
|
if (argc != 1) {
|
|
error("rcp: ambiguous target\n");
|
|
exit(1);
|
|
}
|
|
targ = *argv;
|
|
if (targetshouldbedirectory)
|
|
verifydir(targ);
|
|
ga();
|
|
if (stat(targ, &stb) == 0 && (stb.st_mode & S_IFMT) == S_IFDIR)
|
|
targisdir = 1;
|
|
for (first = 1; ; first = 0) {
|
|
cp = cmdbuf;
|
|
if (read(rem, cp, 1) <= 0)
|
|
return;
|
|
if (*cp++ == '\n')
|
|
SCREWUP("unexpected '\\n'");
|
|
do {
|
|
if (read(rem, cp, 1) != 1)
|
|
SCREWUP("lost connection");
|
|
} while (*cp++ != '\n');
|
|
*cp = 0;
|
|
if (cmdbuf[0] == '\01' || cmdbuf[0] == '\02') {
|
|
if (iamremote == 0)
|
|
(void) write(2, cmdbuf+1, strlen(cmdbuf+1));
|
|
if (cmdbuf[0] == '\02')
|
|
exit(1);
|
|
errs++;
|
|
continue;
|
|
}
|
|
*--cp = 0;
|
|
cp = cmdbuf;
|
|
if (*cp == 'E') {
|
|
ga();
|
|
return;
|
|
}
|
|
|
|
#define getnum(t) (t) = 0; while (isdigit(*cp)) (t) = (t) * 10 + (*cp++ - '0');
|
|
if (*cp == 'T') {
|
|
setimes++;
|
|
cp++;
|
|
getnum(mtime);
|
|
if (*cp++ != ' ')
|
|
SCREWUP("mtime.sec not delimited");
|
|
getnum(dummy);
|
|
if (*cp++ != ' ')
|
|
SCREWUP("mtime.usec not delimited");
|
|
getnum(atime);
|
|
if (*cp++ != ' ')
|
|
SCREWUP("atime.sec not delimited");
|
|
getnum(dummy);
|
|
if (*cp++ != '\0')
|
|
SCREWUP("atime.usec not delimited");
|
|
ga();
|
|
continue;
|
|
}
|
|
if (*cp != 'C' && *cp != 'D') {
|
|
/*
|
|
* Check for the case "rcp remote:foo\* local:bar".
|
|
* In this case, the line "No match." can be returned
|
|
* by the shell before the rcp command on the remote is
|
|
* executed so the ^Aerror_message convention isn't
|
|
* followed.
|
|
*/
|
|
if (first) {
|
|
error("%s\n", cp);
|
|
exit(1);
|
|
}
|
|
SCREWUP("expected control record");
|
|
}
|
|
cp++;
|
|
mode = 0;
|
|
for (; cp < cmdbuf+5; cp++) {
|
|
if (*cp < '0' || *cp > '7')
|
|
SCREWUP("bad mode");
|
|
mode = (mode << 3) | (*cp - '0');
|
|
}
|
|
if (*cp++ != ' ')
|
|
SCREWUP("mode not delimited");
|
|
size = 0;
|
|
while (isdigit(*cp))
|
|
size = size * 10 + (*cp++ - '0');
|
|
if (*cp++ != ' ')
|
|
SCREWUP("size not delimited");
|
|
if (targisdir)
|
|
(void) sprintf(nambuf, "%s%s%s", targ,
|
|
*targ ? "/" : "", cp);
|
|
else
|
|
(void) strcpy(nambuf, targ);
|
|
exists = stat(nambuf, &stb) == 0;
|
|
if (cmdbuf[0] == 'D') {
|
|
if (exists) {
|
|
if ((stb.st_mode&S_IFMT) != S_IFDIR) {
|
|
errno = ENOTDIR;
|
|
goto bad;
|
|
}
|
|
if (pflag)
|
|
(void) chmod(nambuf, mode);
|
|
} else if (mkdir(nambuf, mode) < 0)
|
|
goto bad;
|
|
myargv[0] = nambuf;
|
|
sink(1, myargv);
|
|
if (setimes) {
|
|
setimes = 0;
|
|
if (utime(nambuf, &utimbuf) < 0)
|
|
error("rcp: can't set times on %s: %s\n",
|
|
nambuf, strerror(errno));
|
|
}
|
|
continue;
|
|
}
|
|
if ((of = creat(nambuf, mode)) < 0) {
|
|
bad:
|
|
error("rcp: %s: %s\n", nambuf, strerror(errno));
|
|
continue;
|
|
}
|
|
if (exists && pflag)
|
|
(void) chmod(nambuf, mode);
|
|
ga();
|
|
if ((bp = allocbuf(&buffer, of, BUFSIZ)) == 0) {
|
|
(void) close(of);
|
|
continue;
|
|
}
|
|
cp = bp->buf;
|
|
count = 0;
|
|
wrerr = 0;
|
|
for (i = 0; i < size; i += BUFSIZ) {
|
|
amt = BUFSIZ;
|
|
if (i + amt > size)
|
|
amt = size - i;
|
|
count += amt;
|
|
do {
|
|
j = read(rem, cp, amt);
|
|
if (j <= 0)
|
|
exit(1);
|
|
amt -= j;
|
|
cp += j;
|
|
} while (amt > 0);
|
|
if (count == bp->cnt) {
|
|
if (wrerr == 0 &&
|
|
write(of, bp->buf, count) != count)
|
|
wrerr++;
|
|
count = 0;
|
|
cp = bp->buf;
|
|
}
|
|
}
|
|
if (count != 0 && wrerr == 0 &&
|
|
write(of, bp->buf, count) != count)
|
|
wrerr++;
|
|
(void) close(of);
|
|
(void) response();
|
|
if (setimes) {
|
|
setimes = 0;
|
|
if (utime(nambuf, &utimbuf) < 0)
|
|
error("rcp: can't set times on %s: %s\n",
|
|
nambuf, strerror(errno));
|
|
}
|
|
if (wrerr)
|
|
error("rcp: %s: %s\n", nambuf, strerror(errno));
|
|
else
|
|
ga();
|
|
}
|
|
screwup:
|
|
error("rcp: protocol screwup: %s\n", whopp);
|
|
exit(1);
|
|
}
|
|
|
|
struct buffer *
|
|
allocbuf(bp, fd, blksize)
|
|
struct buffer *bp;
|
|
int fd, blksize;
|
|
{
|
|
struct stat stb;
|
|
int size;
|
|
|
|
if (fstat(fd, &stb) < 0) {
|
|
error("rcp: fstat: %s\n", strerror(errno));
|
|
return ((struct buffer *)0);
|
|
}
|
|
size= 0;
|
|
#if NOT_DEF
|
|
size = roundup(stb.st_blksize, blksize);
|
|
#endif
|
|
if (size == 0)
|
|
size = blksize;
|
|
if (bp->cnt < size) {
|
|
if (bp->buf != 0)
|
|
free(bp->buf);
|
|
bp->buf = (char *)malloc((unsigned) size);
|
|
if (bp->buf == 0) {
|
|
error("rcp: malloc: out of memory\n");
|
|
return ((struct buffer *)0);
|
|
}
|
|
}
|
|
bp->cnt = size;
|
|
return (bp);
|
|
}
|
|
|
|
/*VARARGS1*/
|
|
#if __STDC__
|
|
void
|
|
error (char *fmt, ...)
|
|
#else
|
|
error(fmt)
|
|
char *fmt;
|
|
#endif
|
|
{
|
|
char buf[BUFSIZ], *cp = buf;
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
|
|
errs++;
|
|
*cp++ = 1;
|
|
(void) vsprintf(cp, fmt, ap);
|
|
va_end(ap);
|
|
(void) write(rem, buf, strlen(buf));
|
|
if (iamremote == 0)
|
|
(void) write(2, buf+1, strlen(buf+1));
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "Usage: rcp [-p] f1 f2; or: rcp [-rp] f1 ... fn d2\n");
|
|
}
|