+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1983, 1990, 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 THE REGENTS OR CONTRIBUTORS 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.
- */
-
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-
-#include <ctype.h>
-#include <dirent.h>
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <pwd.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "pathnames.h"
-#include "extern.h"
-
-#ifdef KERBEROS
-#include <kerberosIV/des.h>
-#include <kerberosIV/krb.h>
-
-char dst_realm_buf[REALM_SZ];
-char *dest_realm = NULL;
-int use_kerberos = 1;
-CREDENTIALS cred;
-Key_schedule schedule;
-extern char *krb_realmofhost();
-#ifdef CRYPT
-int doencrypt = 0;
-#define OPTIONS "dfKk:prtx"
-#else
-#define OPTIONS "dfKk:prt"
-#endif
-#else
-#define OPTIONS "dfprt"
-#endif
-
-struct passwd *pwd;
-u_short port;
-uid_t userid;
-int errs, rem;
-int pflag, iamremote, iamrecursive, targetshouldbedirectory;
-
-#define CMDNEEDS 64
-char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
-
-#ifdef KERBEROS
-int kerberos __P((char **, char *, char *, char *));
-void oldw __P((const char *, ...));
-#endif
-int response __P((void));
-void rsource __P((char *, struct stat *));
-void sink __P((int, char *[]));
-void source __P((int, char *[]));
-void tolocal __P((int, char *[]));
-void toremote __P((char *, int, char *[]));
-void usage __P((void));
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- struct servent *sp;
- int ch, fflag, tflag;
- char *targ, *shell;
-
- fflag = tflag = 0;
- while ((ch = getopt(argc, argv, OPTIONS)) != EOF)
- switch(ch) { /* User-visible flags. */
- case 'K':
-#ifdef KERBEROS
- use_kerberos = 0;
-#endif
- break;
-#ifdef KERBEROS
- case 'k':
- dest_realm = dst_realm_buf;
- (void)strncpy(dst_realm_buf, optarg, REALM_SZ);
- break;
-#ifdef CRYPT
- case 'x':
- doencrypt = 1;
- /* des_set_key(cred.session, schedule); */
- break;
-#endif
-#endif
- case 'p':
- pflag = 1;
- break;
- case 'r':
- iamrecursive = 1;
- break;
- /* Server options. */
- case 'd':
- targetshouldbedirectory = 1;
- break;
- case 'f': /* "from" */
- iamremote = 1;
- fflag = 1;
- break;
- case 't': /* "to" */
- iamremote = 1;
- tflag = 1;
- break;
- case '?':
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
-
-#ifdef KERBEROS
- if (use_kerberos) {
-#ifdef CRYPT
- shell = doencrypt ? "ekshell" : "kshell";
-#else
- shell = "kshell";
-#endif
- if ((sp = getservbyname(shell, "tcp")) == NULL) {
- use_kerberos = 0;
- oldw("can't get entry for %s/tcp service", shell);
- sp = getservbyname(shell = "shell", "tcp");
- }
- } else
- sp = getservbyname(shell = "shell", "tcp");
-#else
- sp = getservbyname(shell = "shell", "tcp");
-#endif
- if (sp == NULL)
- errx(1, "%s/tcp: unknown service", shell);
- port = sp->s_port;
-
- if ((pwd = getpwuid(userid = getuid())) == NULL)
- errx(1, "unknown user %d", (int)userid);
-
- rem = STDIN_FILENO; /* XXX */
-
- if (fflag) { /* Follow "protocol", send data. */
- (void)response();
- (void)setuid(userid);
- source(argc, argv);
- exit(errs);
- }
-
- if (tflag) { /* Receive data. */
- (void)setuid(userid);
- sink(argc, argv);
- exit(errs);
- }
-
- if (argc < 2)
- usage();
- if (argc > 2)
- targetshouldbedirectory = 1;
-
- rem = -1;
- /* Command to be executed on remote system using "rsh". */
-#ifdef KERBEROS
- (void)snprintf(cmd, sizeof(cmd),
- "rcp%s%s%s%s", iamrecursive ? " -r" : "",
-#ifdef CRYPT
- (doencrypt && use_kerberos ? " -x" : ""),
-#else
- "",
-#endif
- pflag ? " -p" : "", targetshouldbedirectory ? " -d" : "");
-#else
- (void)snprintf(cmd, sizeof(cmd), "rcp%s%s%s",
- iamrecursive ? " -r" : "", pflag ? " -p" : "",
- targetshouldbedirectory ? " -d" : "");
-#endif
-
- (void)signal(SIGPIPE, lostconn);
-
- if (targ = colon(argv[argc - 1])) /* Dest is remote host. */
- toremote(targ, argc, argv);
- else {
- tolocal(argc, argv); /* Dest is local host. */
- if (targetshouldbedirectory)
- verifydir(argv[argc - 1]);
- }
- exit(errs);
-}
-
-void
-toremote(targ, argc, argv)
- char *targ, *argv[];
- int argc;
-{
- int i, len, tos;
- char *bp, *host, *src, *suser, *thost, *tuser;
-
- *targ++ = 0;
- if (*targ == 0)
- targ = ".";
-
- if (thost = strchr(argv[argc - 1], '@')) {
- /* user@host */
- *thost++ = 0;
- tuser = argv[argc - 1];
- if (*tuser == '\0')
- tuser = NULL;
- else if (!okname(tuser))
- exit(1);
- } else {
- thost = argv[argc - 1];
- tuser = NULL;
- }
-
- for (i = 0; i < argc - 1; i++) {
- src = colon(argv[i]);
- if (src) { /* remote to remote */
- *src++ = 0;
- if (*src == 0)
- src = ".";
- host = strchr(argv[i], '@');
- len = strlen(_PATH_RSH) + strlen(argv[i]) +
- strlen(src) + (tuser ? strlen(tuser) : 0) +
- strlen(thost) + strlen(targ) + CMDNEEDS + 20;
- if (!(bp = malloc(len)))
- err(1, NULL);
- if (host) {
- *host++ = 0;
- suser = argv[i];
- if (*suser == '\0')
- suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
- (void)snprintf(bp, len,
- "%s %s -l %s -n %s %s '%s%s%s:%s'",
- _PATH_RSH, host, suser, cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- } else
- (void)snprintf(bp, len,
- "exec %s %s -n %s %s '%s%s%s:%s'",
- _PATH_RSH, argv[i], cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- (void)susystem(bp, userid);
- (void)free(bp);
- } else { /* local to remote */
- if (rem == -1) {
- len = strlen(targ) + CMDNEEDS + 20;
- if (!(bp = malloc(len)))
- err(1, NULL);
- (void)snprintf(bp, len, "%s -t %s", cmd, targ);
- host = thost;
-#ifdef KERBEROS
- if (use_kerberos)
- rem = kerberos(&host, bp,
- pwd->pw_name,
- tuser ? tuser : pwd->pw_name);
- else
-#endif
- rem = rcmd(&host, port, pwd->pw_name,
- tuser ? tuser : pwd->pw_name,
- bp, 0);
- if (rem < 0)
- exit(1);
- tos = IPTOS_THROUGHPUT;
- if (setsockopt(rem, IPPROTO_IP, IP_TOS,
- &tos, sizeof(int)) < 0)
- warn("TOS (ignored)");
- if (response() < 0)
- exit(1);
- (void)free(bp);
- (void)setuid(userid);
- }
- source(1, argv+i);
- }
- }
-}
-
-void
-tolocal(argc, argv)
- int argc;
- char *argv[];
-{
- int i, len, tos;
- char *bp, *host, *src, *suser;
-
- for (i = 0; i < argc - 1; i++) {
- if (!(src = colon(argv[i]))) { /* Local to local. */
- len = strlen(_PATH_CP) + strlen(argv[i]) +
- strlen(argv[argc - 1]) + 20;
- if (!(bp = malloc(len)))
- err(1, NULL);
- (void)snprintf(bp, len, "exec %s%s%s %s %s", _PATH_CP,
- iamrecursive ? " -r" : "", pflag ? " -p" : "",
- argv[i], argv[argc - 1]);
- if (susystem(bp, userid))
- ++errs;
- (void)free(bp);
- continue;
- }
- *src++ = 0;
- if (*src == 0)
- src = ".";
- if ((host = strchr(argv[i], '@')) == NULL) {
- host = argv[i];
- suser = pwd->pw_name;
- } else {
- *host++ = 0;
- suser = argv[i];
- if (*suser == '\0')
- suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
- }
- len = strlen(src) + CMDNEEDS + 20;
- if ((bp = malloc(len)) == NULL)
- err(1, NULL);
- (void)snprintf(bp, len, "%s -f %s", cmd, src);
- rem =
-#ifdef KERBEROS
- use_kerberos ?
- kerberos(&host, bp, pwd->pw_name, suser) :
-#endif
- rcmd(&host, port, pwd->pw_name, suser, bp, 0);
- (void)free(bp);
- if (rem < 0) {
- ++errs;
- continue;
- }
- (void)seteuid(userid);
- tos = IPTOS_THROUGHPUT;
- if (setsockopt(rem, IPPROTO_IP, IP_TOS, &tos, sizeof(int)) < 0)
- warn("TOS (ignored)");
- sink(1, argv + argc - 1);
- (void)seteuid(0);
- (void)close(rem);
- rem = -1;
- }
-}
-
-void
-source(argc, argv)
- int argc;
- char *argv[];
-{
- struct stat stb;
- static BUF buffer;
- BUF *bp;
- off_t i;
- int amt, fd, haderr, indx, result;
- char *last, *name, buf[BUFSIZ];
-
- for (indx = 0; indx < argc; ++indx) {
- name = argv[indx];
- if ((fd = open(name, O_RDONLY, 0)) < 0)
- goto syserr;
- if (fstat(fd, &stb)) {
-syserr: run_err("%s: %s", name, strerror(errno));
- goto next;
- }
- switch (stb.st_mode & S_IFMT) {
- case S_IFREG:
- break;
- case S_IFDIR:
- if (iamrecursive) {
- rsource(name, &stb);
- goto next;
- }
- /* FALLTHROUGH */
- default:
- run_err("%s: not a regular file", name);
- goto next;
- }
- if ((last = strrchr(name, '/')) == NULL)
- last = name;
- else
- ++last;
- if (pflag) {
- /*
- * Make it compatible with possible future
- * versions expecting microseconds.
- */
- (void)snprintf(buf, sizeof(buf), "T%ld 0 %ld 0\n",
- stb.st_mtimespec.tv_sec, stb.st_atimespec.tv_sec);
- (void)write(rem, buf, strlen(buf));
- if (response() < 0)
- goto next;
- }
-#define MODEMASK (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
- (void)snprintf(buf, sizeof(buf), "C%04o %qd %s\n",
- stb.st_mode & MODEMASK, stb.st_size, last);
- (void)write(rem, buf, strlen(buf));
- if (response() < 0)
- goto next;
- if ((bp = allocbuf(&buffer, fd, BUFSIZ)) == NULL) {
-next: (void)close(fd);
- continue;
- }
-
- /* Keep writing after an error so that we stay sync'd up. */
- for (haderr = i = 0; i < stb.st_size; i += bp->cnt) {
- amt = bp->cnt;
- if (i + amt > stb.st_size)
- amt = stb.st_size - i;
- if (!haderr) {
- result = read(fd, bp->buf, amt);
- if (result != amt)
- haderr = result >= 0 ? EIO : errno;
- }
- if (haderr)
- (void)write(rem, bp->buf, amt);
- else {
- result = write(rem, bp->buf, amt);
- if (result != amt)
- haderr = result >= 0 ? EIO : errno;
- }
- }
- if (close(fd) && !haderr)
- haderr = errno;
- if (!haderr)
- (void)write(rem, "", 1);
- else
- run_err("%s: %s", name, strerror(haderr));
- (void)response();
- }
-}
-
-void
-rsource(name, statp)
- char *name;
- struct stat *statp;
-{
- DIR *dirp;
- struct dirent *dp;
- char *last, *vect[1], path[MAXPATHLEN];
-
- if (!(dirp = opendir(name))) {
- run_err("%s: %s", name, strerror(errno));
- return;
- }
- last = strrchr(name, '/');
- if (last == 0)
- last = name;
- else
- last++;
- if (pflag) {
- (void)snprintf(path, sizeof(path), "T%ld 0 %ld 0\n",
- statp->st_mtimespec.tv_sec, statp->st_atimespec.tv_sec);
- (void)write(rem, path, strlen(path));
- if (response() < 0) {
- closedir(dirp);
- return;
- }
- }
- (void)snprintf(path, sizeof(path),
- "D%04o %d %s\n", statp->st_mode & MODEMASK, 0, last);
- (void)write(rem, path, strlen(path));
- if (response() < 0) {
- closedir(dirp);
- return;
- }
- while (dp = readdir(dirp)) {
- if (dp->d_ino == 0)
- continue;
- if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
- continue;
- if (strlen(name) + 1 + strlen(dp->d_name) >= MAXPATHLEN - 1) {
- run_err("%s/%s: name too long", name, dp->d_name);
- continue;
- }
- (void)snprintf(path, sizeof(path), "%s/%s", name, dp->d_name);
- vect[0] = path;
- source(1, vect);
- }
- (void)closedir(dirp);
- (void)write(rem, "E\n", 2);
- (void)response();
-}
-
-void
-sink(argc, argv)
- int argc;
- char *argv[];
-{
- static BUF buffer;
- struct stat stb;
- struct timeval tv[2];
- enum { YES, NO, DISPLAYED } wrerr;
- BUF *bp;
- off_t i, j;
- int amt, count, exists, first, mask, mode, ofd, omode;
- int setimes, size, targisdir, wrerrno;
- char ch, *cp, *np, *targ, *why, *vect[1], buf[BUFSIZ];
-
-#define atime tv[0]
-#define mtime tv[1]
-#define SCREWUP(str) { why = str; goto screwup; }
-
- setimes = targisdir = 0;
- mask = umask(0);
- if (!pflag)
- (void)umask(mask);
- if (argc != 1) {
- run_err("ambiguous target");
- exit(1);
- }
- targ = *argv;
- if (targetshouldbedirectory)
- verifydir(targ);
- (void)write(rem, "", 1);
- if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
- targisdir = 1;
- for (first = 1;; first = 0) {
- cp = buf;
- if (read(rem, cp, 1) <= 0)
- return;
- if (*cp++ == '\n')
- SCREWUP("unexpected <newline>");
- do {
- if (read(rem, &ch, sizeof(ch)) != sizeof(ch))
- SCREWUP("lost connection");
- *cp++ = ch;
- } while (cp < &buf[BUFSIZ - 1] && ch != '\n');
- *cp = 0;
-
- if (buf[0] == '\01' || buf[0] == '\02') {
- if (iamremote == 0)
- (void)write(STDERR_FILENO,
- buf + 1, strlen(buf + 1));
- if (buf[0] == '\02')
- exit(1);
- ++errs;
- continue;
- }
- if (buf[0] == 'E') {
- (void)write(rem, "", 1);
- return;
- }
-
- if (ch == '\n')
- *--cp = 0;
-
-#define getnum(t) (t) = 0; while (isdigit(*cp)) (t) = (t) * 10 + (*cp++ - '0');
- cp = buf;
- if (*cp == 'T') {
- setimes++;
- cp++;
- getnum(mtime.tv_sec);
- if (*cp++ != ' ')
- SCREWUP("mtime.sec not delimited");
- getnum(mtime.tv_usec);
- if (*cp++ != ' ')
- SCREWUP("mtime.usec not delimited");
- getnum(atime.tv_sec);
- if (*cp++ != ' ')
- SCREWUP("atime.sec not delimited");
- getnum(atime.tv_usec);
- if (*cp++ != '\0')
- SCREWUP("atime.usec not delimited");
- (void)write(rem, "", 1);
- 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) {
- run_err("%s", cp);
- exit(1);
- }
- SCREWUP("expected control record");
- }
- mode = 0;
- for (++cp; cp < buf + 5; cp++) {
- if (*cp < '0' || *cp > '7')
- SCREWUP("bad mode");
- mode = (mode << 3) | (*cp - '0');
- }
- if (*cp++ != ' ')
- SCREWUP("mode not delimited");
-
- for (size = 0; isdigit(*cp);)
- size = size * 10 + (*cp++ - '0');
- if (*cp++ != ' ')
- SCREWUP("size not delimited");
- if (targisdir) {
- static char *namebuf;
- static int cursize;
- size_t need;
-
- need = strlen(targ) + strlen(cp) + 250;
- if (need > cursize) {
- if (!(namebuf = malloc(need)))
- run_err("%s", strerror(errno));
- }
- (void)snprintf(namebuf, need, "%s%s%s", targ,
- *targ ? "/" : "", cp);
- np = namebuf;
- } else
- np = targ;
- exists = stat(np, &stb) == 0;
- if (buf[0] == 'D') {
- int mod_flag = pflag;
- if (exists) {
- if (!S_ISDIR(stb.st_mode)) {
- errno = ENOTDIR;
- goto bad;
- }
- if (pflag)
- (void)chmod(np, mode);
- } else {
- /* Handle copying from a read-only directory */
- mod_flag = 1;
- if (mkdir(np, mode | S_IRWXU) < 0)
- goto bad;
- }
- vect[0] = np;
- sink(1, vect);
- if (setimes) {
- setimes = 0;
- if (utimes(np, tv) < 0)
- run_err("%s: set times: %s",
- np, strerror(errno));
- }
- if (mod_flag)
- (void)chmod(np, mode);
- continue;
- }
- omode = mode;
- mode |= S_IWRITE;
- if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) {
-bad: run_err("%s: %s", np, strerror(errno));
- continue;
- }
- (void)write(rem, "", 1);
- if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == NULL) {
- (void)close(ofd);
- continue;
- }
- cp = bp->buf;
- wrerr = NO;
- for (count = 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) {
- run_err("%s", j ? strerror(errno) :
- "dropped connection");
- exit(1);
- }
- amt -= j;
- cp += j;
- } while (amt > 0);
- if (count == bp->cnt) {
- /* Keep reading so we stay sync'd up. */
- if (wrerr == NO) {
- j = write(ofd, bp->buf, count);
- if (j != count) {
- wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
- }
- }
- count = 0;
- cp = bp->buf;
- }
- }
- if (count != 0 && wrerr == NO &&
- (j = write(ofd, bp->buf, count)) != count) {
- wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
- }
- if (ftruncate(ofd, size)) {
- run_err("%s: truncate: %s", np, strerror(errno));
- wrerr = DISPLAYED;
- }
- if (pflag) {
- if (exists || omode != mode)
- if (fchmod(ofd, omode))
- run_err("%s: set mode: %s",
- np, strerror(errno));
- } else {
- if (!exists && omode != mode)
- if (fchmod(ofd, omode & ~mask))
- run_err("%s: set mode: %s",
- np, strerror(errno));
- }
- (void)close(ofd);
- (void)response();
- if (setimes && wrerr == NO) {
- setimes = 0;
- if (utimes(np, tv) < 0) {
- run_err("%s: set times: %s",
- np, strerror(errno));
- wrerr = DISPLAYED;
- }
- }
- switch(wrerr) {
- case YES:
- run_err("%s: %s", np, strerror(wrerrno));
- break;
- case NO:
- (void)write(rem, "", 1);
- break;
- case DISPLAYED:
- break;
- }
- }
-screwup:
- run_err("protocol error: %s", why);
- exit(1);
-}
-
-#ifdef KERBEROS
-int
-kerberos(host, bp, locuser, user)
- char **host, *bp, *locuser, *user;
-{
- struct servent *sp;
-
-again:
- if (use_kerberos) {
- rem = KSUCCESS;
- errno = 0;
- if (dest_realm == NULL)
- dest_realm = krb_realmofhost(*host);
- rem =
-#ifdef CRYPT
- doencrypt ?
- krcmd_mutual(host,
- port, user, bp, 0, dest_realm, &cred, schedule) :
-#endif
- krcmd(host, port, user, bp, 0, dest_realm);
-
- if (rem < 0) {
- use_kerberos = 0;
- if ((sp = getservbyname("shell", "tcp")) == NULL)
- errx(1, "unknown service shell/tcp");
- if (errno == ECONNREFUSED)
- oldw("remote host doesn't support Kerberos");
- else if (errno == ENOENT)
- oldw("can't provide Kerberos authentication data");
- port = sp->s_port;
- goto again;
- }
- } else {
-#ifdef CRYPT
- if (doencrypt)
- errx(1,
- "the -x option requires Kerberos authentication");
-#endif
- rem = rcmd(host, port, locuser, user, bp, 0);
- }
- return (rem);
-}
-#endif /* KERBEROS */
-
-int
-response()
-{
- char ch, *cp, resp, rbuf[BUFSIZ];
-
- if (read(rem, &resp, sizeof(resp)) != sizeof(resp))
- lostconn(0);
-
- cp = rbuf;
- switch(resp) {
- case 0: /* ok */
- return (0);
- default:
- *cp++ = resp;
- /* FALLTHROUGH */
- case 1: /* error, followed by error msg */
- case 2: /* fatal error, "" */
- do {
- if (read(rem, &ch, sizeof(ch)) != sizeof(ch))
- lostconn(0);
- *cp++ = ch;
- } while (cp < &rbuf[BUFSIZ] && ch != '\n');
-
- if (!iamremote)
- (void)write(STDERR_FILENO, rbuf, cp - rbuf);
- ++errs;
- if (resp == 1)
- return (-1);
- exit(1);
- }
- /* NOTREACHED */
-}
-
-void
-usage()
-{
-#ifdef KERBEROS
-#ifdef CRYPT
- (void)fprintf(stderr, "%s\n\t%s\n",
- "usage: rcp [-Kpx] [-k realm] f1 f2",
- "or: rcp [-Kprx] [-k realm] f1 ... fn directory");
-#else
- (void)fprintf(stderr, "%s\n\t%s\n",
- "usage: rcp [-Kp] [-k realm] f1 f2",
- "or: rcp [-Kpr] [-k realm] f1 ... fn directory");
-#endif
-#else
- (void)fprintf(stderr,
- "usage: rcp [-p] f1 f2; or: rcp [-pr] f1 ... fn directory\n");
-#endif
- exit(1);
-}
-
-#if __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-#ifdef KERBEROS
-void
-#if __STDC__
-oldw(const char *fmt, ...)
-#else
-oldw(fmt, va_alist)
- char *fmt;
- va_dcl
-#endif
-{
- va_list ap;
-#if __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- (void)fprintf(stderr, "rcp: ");
- (void)vfprintf(stderr, fmt, ap);
- (void)fprintf(stderr, ", using standard rcp\n");
- va_end(ap);
-}
-#endif
-
-void
-#if __STDC__
-run_err(const char *fmt, ...)
-#else
-run_err(fmt, va_alist)
- char *fmt;
- va_dcl
-#endif
-{
- static FILE *fp;
- va_list ap;
-#if __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
-
- ++errs;
- if (fp == NULL && !(fp = fdopen(rem, "w")))
- return;
- (void)fprintf(fp, "%c", 0x01);
- (void)fprintf(fp, "rcp: ");
- (void)vfprintf(fp, fmt, ap);
- (void)fprintf(fp, "\n");
- (void)fflush(fp);
-
- if (!iamremote)
- vwarnx(fmt, ap);
-
- va_end(ap);
-}
projects / apple / network_cmds.git / blobdiff