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Diffstat (limited to 'crypto/heimdal/appl/rcp/rcp.c')
-rw-r--r--crypto/heimdal/appl/rcp/rcp.c789
1 files changed, 0 insertions, 789 deletions
diff --git a/crypto/heimdal/appl/rcp/rcp.c b/crypto/heimdal/appl/rcp/rcp.c
deleted file mode 100644
index c54409a343bfe..0000000000000
--- a/crypto/heimdal/appl/rcp/rcp.c
+++ /dev/null
@@ -1,789 +0,0 @@
-/*
- * 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 "rcp_locl.h"
-#include <getarg.h>
-
-#define RSH_PROGRAM "rsh"
-
-struct passwd *pwd;
-uid_t userid;
-int errs, remin, remout;
-int pflag, iamremote, iamrecursive, targetshouldbedirectory;
-int doencrypt, noencrypt;
-int usebroken, usekrb4, usekrb5, forwardtkt;
-char *port;
-
-#define CMDNEEDS 64
-char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
-
-int response (void);
-void rsource (char *, struct stat *);
-void sink (int, char *[]);
-void source (int, char *[]);
-void tolocal (int, char *[]);
-void toremote (char *, int, char *[]);
-
-int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout);
-
-static int fflag, tflag;
-
-static int version_flag, help_flag;
-
-struct getargs args[] = {
- { NULL, '4', arg_flag, &usekrb4, "use Kerberos 4 authentication" },
- { NULL, '5', arg_flag, &usekrb5, "use Kerberos 5 authentication" },
- { NULL, 'F', arg_flag, &forwardtkt, "forward credentials" },
- { NULL, 'K', arg_flag, &usebroken, "use BSD authentication" },
- { NULL, 'P', arg_string, &port, "non-default port", "port" },
- { NULL, 'p', arg_flag, &pflag, "preserve file permissions" },
- { NULL, 'r', arg_flag, &iamrecursive, "recursive mode" },
- { NULL, 'x', arg_flag, &doencrypt, "use encryption" },
- { NULL, 'z', arg_flag, &noencrypt, "don't encrypt" },
- { NULL, 'd', arg_flag, &targetshouldbedirectory },
- { NULL, 'f', arg_flag, &fflag },
- { NULL, 't', arg_flag, &tflag },
- { "version", 0, arg_flag, &version_flag },
- { "help", 0, arg_flag, &help_flag }
-};
-
-static void
-usage (int ret)
-{
- arg_printusage (args,
- sizeof(args) / sizeof(args[0]),
- NULL,
- "file1 file2|file... directory");
- exit (ret);
-}
-
-int
-main(int argc, char **argv)
-{
- char *targ;
- int optind = 0;
-
- setprogname(argv[0]);
- if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
- &optind))
- usage (1);
- if(help_flag)
- usage(0);
- if (version_flag) {
- print_version (NULL);
- return 0;
- }
-
- iamremote = (fflag || tflag);
-
- argc -= optind;
- argv += optind;
-
- if ((pwd = getpwuid(userid = getuid())) == NULL)
- errx(1, "unknown user %d", (int)userid);
-
- remin = STDIN_FILENO; /* XXX */
- remout = STDOUT_FILENO;
-
- if (fflag) { /* Follow "protocol", send data. */
- response();
- setuid(userid);
- source(argc, argv);
- exit(errs);
- }
-
- if (tflag) { /* Receive data. */
- setuid(userid);
- sink(argc, argv);
- exit(errs);
- }
-
- if (argc < 2)
- usage(1);
- if (argc > 2)
- targetshouldbedirectory = 1;
-
- remin = remout = -1;
- /* Command to be executed on remote system using "rsh". */
- snprintf(cmd, sizeof(cmd),
- "rcp%s%s%s", iamrecursive ? " -r" : "",
- pflag ? " -p" : "", targetshouldbedirectory ? " -d" : "");
-
- 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(char *targ, int argc, char **argv)
-{
- int i;
- 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], '@');
- if (host) {
- *host++ = '\0';
- suser = argv[i];
- if (*suser == '\0')
- suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
- asprintf(&bp,
- "%s %s -l %s -n %s %s '%s%s%s:%s'",
- _PATH_RSH, host, suser, cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- } else {
- asprintf(&bp,
- "exec %s %s -n %s %s '%s%s%s:%s'",
- _PATH_RSH, argv[i], cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- }
- if (bp == NULL)
- err (1, "malloc");
- susystem(bp, userid);
- free(bp);
- } else { /* local to remote */
- if (remin == -1) {
- asprintf(&bp, "%s -t %s", cmd, targ);
- if (bp == NULL)
- err (1, "malloc");
- host = thost;
-
- if (do_cmd(host, tuser, bp, &remin, &remout) < 0)
- exit(1);
-
- if (response() < 0)
- exit(1);
- free(bp);
- setuid(userid);
- }
- source(1, argv+i);
- }
- }
-}
-
-void
-tolocal(int argc, char **argv)
-{
- int i;
- char *bp, *host, *src, *suser;
-
- for (i = 0; i < argc - 1; i++) {
- if (!(src = colon(argv[i]))) { /* Local to local. */
- asprintf(&bp, "exec %s%s%s %s %s", _PATH_CP,
- iamrecursive ? " -PR" : "", pflag ? " -p" : "",
- argv[i], argv[argc - 1]);
- if (bp == NULL)
- err (1, "malloc");
- if (susystem(bp, userid))
- ++errs;
- 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;
- }
- asprintf(&bp, "%s -f %s", cmd, src);
- if (bp == NULL)
- err (1, "malloc");
- if (do_cmd(host, suser, bp, &remin, &remout) < 0) {
- free(bp);
- ++errs;
- continue;
- }
- free(bp);
- sink(1, argv + argc - 1);
- seteuid(0);
- close(remin);
- remin = remout = -1;
- }
-}
-
-void
-source(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.
- */
- snprintf(buf, sizeof(buf), "T%ld 0 %ld 0\n",
- (long)stb.st_mtime,
- (long)stb.st_atime);
- write(remout, buf, strlen(buf));
- if (response() < 0)
- goto next;
- }
-#define MODEMASK (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)
- snprintf(buf, sizeof(buf), "C%04o %lu %s\n",
- stb.st_mode & MODEMASK,
- (unsigned long)stb.st_size,
- last);
- write(remout, buf, strlen(buf));
- if (response() < 0)
- goto next;
- if ((bp = allocbuf(&buffer, fd, BUFSIZ)) == NULL) {
-next: 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)
- write(remout, bp->buf, amt);
- else {
- result = write(remout, bp->buf, amt);
- if (result != amt)
- haderr = result >= 0 ? EIO : errno;
- }
- }
- if (close(fd) && !haderr)
- haderr = errno;
- if (!haderr)
- write(remout, "", 1);
- else
- run_err("%s: %s", name, strerror(haderr));
- response();
- }
-}
-
-void
-rsource(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) {
- snprintf(path, sizeof(path), "T%ld 0 %ld 0\n",
- (long)statp->st_mtime,
- (long)statp->st_atime);
- write(remout, path, strlen(path));
- if (response() < 0) {
- closedir(dirp);
- return;
- }
- }
- snprintf(path, sizeof(path),
- "D%04o %d %s\n", statp->st_mode & MODEMASK, 0, last);
- write(remout, 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;
- }
- snprintf(path, sizeof(path), "%s/%s", name, dp->d_name);
- vect[0] = path;
- source(1, vect);
- }
- closedir(dirp);
- write(remout, "E\n", 2);
- response();
-}
-
-void
-sink(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, size;
- int amt, count, exists, first, mask, mode, ofd, omode;
- int setimes, targisdir, wrerrno = 0;
- 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)
- umask(mask);
- if (argc != 1) {
- run_err("ambiguous target");
- exit(1);
- }
- targ = *argv;
- if (targetshouldbedirectory)
- verifydir(targ);
- write(remout, "", 1);
- if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
- targisdir = 1;
- for (first = 1;; first = 0) {
- cp = buf;
- if (read(remin, cp, 1) <= 0)
- return;
- if (*cp++ == '\n')
- SCREWUP("unexpected <newline>");
- do {
- if (read(remin, &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)
- write(STDERR_FILENO,
- buf + 1, strlen(buf + 1));
- if (buf[0] == '\02')
- exit(1);
- ++errs;
- continue;
- }
- if (buf[0] == 'E') {
- write(remout, "", 1);
- return;
- }
-
- if (ch == '\n')
- *--cp = 0;
-
- cp = buf;
- if (*cp == 'T') {
- setimes++;
- cp++;
- mtime.tv_sec = strtol(cp, &cp, 10);
- if (!cp || *cp++ != ' ')
- SCREWUP("mtime.sec not delimited");
- mtime.tv_usec = strtol(cp, &cp, 10);
- if (!cp || *cp++ != ' ')
- SCREWUP("mtime.usec not delimited");
- atime.tv_sec = strtol(cp, &cp, 10);
- if (!cp || *cp++ != ' ')
- SCREWUP("atime.sec not delimited");
- atime.tv_usec = strtol(cp, &cp, 10);
- if (!cp || *cp++ != '\0')
- SCREWUP("atime.usec not delimited");
- write(remout, "", 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((unsigned char)*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));
- }
- 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)
- 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)
- 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;
- }
- write(remout, "", 1);
- if ((bp = allocbuf(&buffer, ofd, BUFSIZ)) == NULL) {
- 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;
- if((j = net_read(remin, cp, amt)) != amt) {
- run_err("%s", j ? strerror(errno) :
- "dropped connection");
- exit(1);
- }
- amt -= j;
- cp += j;
- 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));
- }
- close(ofd);
- 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:
- write(remout, "", 1);
- break;
- case DISPLAYED:
- break;
- }
- }
-screwup:
- run_err("protocol error: %s", why);
- exit(1);
-}
-
-int
-response(void)
-{
- char ch, *cp, resp, rbuf[BUFSIZ];
-
- if (read(remin, &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(remin, &ch, sizeof(ch)) != sizeof(ch))
- lostconn(0);
- *cp++ = ch;
- } while (cp < &rbuf[BUFSIZ] && ch != '\n');
-
- if (!iamremote)
- write(STDERR_FILENO, rbuf, cp - rbuf);
- ++errs;
- if (resp == 1)
- return (-1);
- exit(1);
- }
- /* NOTREACHED */
-}
-
-#include <stdarg.h>
-
-void
-run_err(const char *fmt, ...)
-{
- static FILE *fp;
- va_list ap;
-
- ++errs;
- if (fp == NULL && !(fp = fdopen(remout, "w")))
- return;
- va_start(ap, fmt);
- fprintf(fp, "%c", 0x01);
- fprintf(fp, "rcp: ");
- vfprintf(fp, fmt, ap);
- fprintf(fp, "\n");
- fflush(fp);
- va_end(ap);
-
- if (!iamremote) {
- va_start(ap, fmt);
- vwarnx(fmt, ap);
- va_end(ap);
- }
-}
-
-/*
- * This function executes the given command as the specified user on the
- * given host. This returns < 0 if execution fails, and >= 0 otherwise. This
- * assigns the input and output file descriptors on success.
- *
- * If it cannot create necessary pipes it exits with error message.
- */
-
-int
-do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout)
-{
- int pin[2], pout[2], reserved[2];
-
- /*
- * Reserve two descriptors so that the real pipes won't get
- * descriptors 0 and 1 because that will screw up dup2 below.
- */
- pipe(reserved);
-
- /* Create a socket pair for communicating with rsh. */
- if (pipe(pin) < 0) {
- perror("pipe");
- exit(255);
- }
- if (pipe(pout) < 0) {
- perror("pipe");
- exit(255);
- }
-
- /* Free the reserved descriptors. */
- close(reserved[0]);
- close(reserved[1]);
-
- /* For a child to execute the command on the remote host using rsh. */
- if (fork() == 0) {
- char *args[100];
- unsigned int i;
-
- /* Child. */
- close(pin[1]);
- close(pout[0]);
- dup2(pin[0], 0);
- dup2(pout[1], 1);
- close(pin[0]);
- close(pout[1]);
-
- i = 0;
- args[i++] = RSH_PROGRAM;
- if (usekrb4)
- args[i++] = "-4";
- if (usekrb5)
- args[i++] = "-5";
- if (usebroken)
- args[i++] = "-K";
- if (doencrypt)
- args[i++] = "-x";
- if (forwardtkt)
- args[i++] = "-F";
- if (noencrypt)
- args[i++] = "-z";
- if (port != NULL) {
- args[i++] = "-p";
- args[i++] = port;
- }
- if (remuser != NULL) {
- args[i++] = "-l";
- args[i++] = remuser;
- }
- args[i++] = host;
- args[i++] = cmd;
- args[i++] = NULL;
-
- execvp(RSH_PROGRAM, args);
- perror(RSH_PROGRAM);
- exit(1);
- }
- /* Parent. Close the other side, and return the local side. */
- close(pin[0]);
- *fdout = pin[1];
- close(pout[1]);
- *fdin = pout[0];
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 19:53:42 +0000