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-rw-r--r--crypto/openssh/scp.c1251
1 files changed, 0 insertions, 1251 deletions
diff --git a/crypto/openssh/scp.c b/crypto/openssh/scp.c
deleted file mode 100644
index ec1f3d1f44d5b..0000000000000
--- a/crypto/openssh/scp.c
+++ /dev/null
@@ -1,1251 +0,0 @@
-/*
- * scp - secure remote copy. This is basically patched BSD rcp which
- * uses ssh to do the data transfer (instead of using rcmd).
- *
- * NOTE: This version should NOT be suid root. (This uses ssh to
- * do the transfer and ssh has the necessary privileges.)
- *
- * 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi>
- *
- * As far as I am concerned, the code I have written for this software
- * can be used freely for any purpose. Any derived versions of this
- * software must be clearly marked as such, and if the derived work is
- * incompatible with the protocol description in the RFC file, it must be
- * called by a name other than "ssh" or "Secure Shell".
- */
-/*
- * Copyright (c) 1999 Theo de Raadt. All rights reserved.
- * Copyright (c) 1999 Aaron Campbell. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- */
-
-/*
- * Parts from:
- *
- * Copyright (c) 1983, 1990, 1992, 1993, 1995
- * 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 "includes.h"
-RCSID("$OpenBSD: scp.c,v 1.39 2000/09/07 20:53:00 markus Exp $");
-
-#include "ssh.h"
-#include "xmalloc.h"
-#include <utime.h>
-
-#define _PATH_CP "cp"
-
-/* For progressmeter() -- number of seconds before xfer considered "stalled" */
-#define STALLTIME 5
-
-/* Visual statistics about files as they are transferred. */
-void progressmeter(int);
-
-/* Returns width of the terminal (for progress meter calculations). */
-int getttywidth(void);
-int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc);
-
-/* Time a transfer started. */
-static struct timeval start;
-
-/* Number of bytes of current file transferred so far. */
-volatile unsigned long statbytes;
-
-/* Total size of current file. */
-off_t totalbytes = 0;
-
-/* Name of current file being transferred. */
-char *curfile;
-
-/* This is set to non-zero if IPv4 is desired. */
-int IPv4 = 0;
-
-/* This is set to non-zero if IPv6 is desired. */
-int IPv6 = 0;
-
-/* This is set to non-zero to enable verbose mode. */
-int verbose_mode = 0;
-
-/* This is set to non-zero if compression is desired. */
-int compress = 0;
-
-/* This is set to zero if the progressmeter is not desired. */
-int showprogress = 1;
-
-/* This is set to non-zero if running in batch mode (that is, password
- and passphrase queries are not allowed). */
-int batchmode = 0;
-
-/* This is set to the cipher type string if given on the command line. */
-char *cipher = NULL;
-
-/* This is set to the RSA authentication identity file name if given on
- the command line. */
-char *identity = NULL;
-
-/* This is the port to use in contacting the remote site (is non-NULL). */
-char *port = NULL;
-
-/* This is the program to execute for the secured connection. ("ssh" or -S) */
-char *ssh_program = SSH_PROGRAM;
-
-/*
- * 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.
- */
-
-int
-do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc)
-{
- int pin[2], pout[2], reserved[2];
-
- if (verbose_mode)
- fprintf(stderr, "Executing: host %s, user %s, command %s\n",
- host, remuser ? remuser : "(unspecified)", cmd);
-
- /*
- * 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 ssh. */
- if (pipe(pin) < 0)
- fatal("pipe: %s", strerror(errno));
- if (pipe(pout) < 0)
- fatal("pipe: %s", strerror(errno));
-
- /* Free the reserved descriptors. */
- close(reserved[0]);
- close(reserved[1]);
-
- /* For a child to execute the command on the remote host using ssh. */
- if (fork() == 0) {
- char *args[100]; /* XXX careful */
- 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++] = ssh_program;
- args[i++] = "-x";
- args[i++] = "-oFallBackToRsh no";
- if (IPv4)
- args[i++] = "-4";
- if (IPv6)
- args[i++] = "-6";
- if (verbose_mode)
- args[i++] = "-v";
- if (compress)
- args[i++] = "-C";
- if (batchmode)
- args[i++] = "-oBatchMode yes";
- if (cipher != NULL) {
- args[i++] = "-c";
- args[i++] = cipher;
- }
- if (identity != NULL) {
- args[i++] = "-i";
- args[i++] = identity;
- }
- 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(ssh_program, args);
- perror(ssh_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;
-}
-
-void
-fatal(const char *fmt,...)
-{
- va_list ap;
- char buf[1024];
-
- va_start(ap, fmt);
- vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
- fprintf(stderr, "%s\n", buf);
- exit(255);
-}
-
-typedef struct {
- int cnt;
- char *buf;
-} BUF;
-
-extern int iamremote;
-
-BUF *allocbuf(BUF *, int, int);
-char *colon(char *);
-void lostconn(int);
-void nospace(void);
-int okname(char *);
-void run_err(const char *,...);
-void verifydir(char *);
-
-struct passwd *pwd;
-uid_t userid;
-int errs, remin, remout;
-int pflag, iamremote, iamrecursive, targetshouldbedirectory;
-
-#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 *[]);
-void usage(void);
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- int ch, fflag, tflag;
- char *targ;
- extern char *optarg;
- extern int optind;
-
- fflag = tflag = 0;
- while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:")) != EOF)
- switch (ch) {
- /* User-visible flags. */
- case '4':
- IPv4 = 1;
- break;
- case '6':
- IPv6 = 1;
- break;
- case 'p':
- pflag = 1;
- break;
- case 'P':
- port = optarg;
- break;
- case 'r':
- iamrecursive = 1;
- break;
- case 'S':
- ssh_program = optarg;
- 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 'c':
- cipher = optarg;
- break;
- case 'i':
- identity = optarg;
- break;
- case 'v':
- verbose_mode = 1;
- break;
- case 'B':
- batchmode = 1;
- break;
- case 'C':
- compress = 1;
- break;
- case 'q':
- showprogress = 0;
- break;
- case '?':
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
-
- if ((pwd = getpwuid(userid = getuid())) == NULL)
- fatal("unknown user %d", (int) userid);
-
- if (!isatty(STDERR_FILENO))
- showprogress = 0;
-
- remin = STDIN_FILENO;
- remout = STDOUT_FILENO;
-
- if (fflag) {
- /* Follow "protocol", send data. */
- (void) response();
- source(argc, argv);
- exit(errs != 0);
- }
- if (tflag) {
- /* Receive data. */
- sink(argc, argv);
- exit(errs != 0);
- }
- if (argc < 2)
- usage();
- if (argc > 2)
- targetshouldbedirectory = 1;
-
- remin = remout = -1;
- /* Command to be executed on remote system using "ssh". */
- (void) sprintf(cmd, "scp%s%s%s%s", verbose_mode ? " -v" : "",
- iamrecursive ? " -r" : "", pflag ? " -p" : "",
- targetshouldbedirectory ? " -d" : "");
-
- (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 != 0);
-}
-
-char *
-cleanhostname(host)
- char *host;
-{
- if (*host == '[' && host[strlen(host) - 1] == ']') {
- host[strlen(host) - 1] = '\0';
- return (host + 1);
- } else
- return host;
-}
-
-void
-toremote(targ, argc, argv)
- char *targ, *argv[];
- int argc;
-{
- int i, len;
- 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(ssh_program) + strlen(argv[i]) +
- strlen(src) + (tuser ? strlen(tuser) : 0) +
- strlen(thost) + strlen(targ) + CMDNEEDS + 32;
- bp = xmalloc(len);
- if (host) {
- *host++ = 0;
- host = cleanhostname(host);
- suser = argv[i];
- if (*suser == '\0')
- suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
- (void) sprintf(bp,
- "%s%s -x -o'FallBackToRsh no' -n -l %s %s %s %s '%s%s%s:%s'",
- ssh_program, verbose_mode ? " -v" : "",
- suser, host, cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- } else {
- host = cleanhostname(argv[i]);
- (void) sprintf(bp,
- "exec %s%s -x -o'FallBackToRsh no' -n %s %s %s '%s%s%s:%s'",
- ssh_program, verbose_mode ? " -v" : "",
- host, cmd, src,
- tuser ? tuser : "", tuser ? "@" : "",
- thost, targ);
- }
- if (verbose_mode)
- fprintf(stderr, "Executing: %s\n", bp);
- (void) system(bp);
- (void) xfree(bp);
- } else { /* local to remote */
- if (remin == -1) {
- len = strlen(targ) + CMDNEEDS + 20;
- bp = xmalloc(len);
- (void) sprintf(bp, "%s -t %s", cmd, targ);
- host = cleanhostname(thost);
- if (do_cmd(host, tuser, bp, &remin,
- &remout, argc) < 0)
- exit(1);
- if (response() < 0)
- exit(1);
- (void) xfree(bp);
- }
- source(1, argv + i);
- }
- }
-}
-
-void
-tolocal(argc, argv)
- int argc;
- char *argv[];
-{
- int i, len;
- 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;
- bp = xmalloc(len);
- (void) sprintf(bp, "exec %s%s%s %s %s", _PATH_CP,
- iamrecursive ? " -r" : "", pflag ? " -p" : "",
- argv[i], argv[argc - 1]);
- if (verbose_mode)
- fprintf(stderr, "Executing: %s\n", bp);
- if (system(bp))
- ++errs;
- (void) xfree(bp);
- continue;
- }
- *src++ = 0;
- if (*src == 0)
- src = ".";
- if ((host = strchr(argv[i], '@')) == NULL) {
- host = argv[i];
- suser = NULL;
- } else {
- *host++ = 0;
- suser = argv[i];
- if (*suser == '\0')
- suser = pwd->pw_name;
- else if (!okname(suser))
- continue;
- }
- host = cleanhostname(host);
- len = strlen(src) + CMDNEEDS + 20;
- bp = xmalloc(len);
- (void) sprintf(bp, "%s -f %s", cmd, src);
- if (do_cmd(host, suser, bp, &remin, &remout, argc) < 0) {
- (void) xfree(bp);
- ++errs;
- continue;
- }
- xfree(bp);
- sink(1, argv + argc - 1);
- (void) close(remin);
- remin = remout = -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[2048];
-
- for (indx = 0; indx < argc; ++indx) {
- name = argv[indx];
- statbytes = 0;
- if ((fd = open(name, O_RDONLY, 0)) < 0)
- goto syserr;
- if (fstat(fd, &stb) < 0) {
-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;
- curfile = last;
- if (pflag) {
- /*
- * Make it compatible with possible future
- * versions expecting microseconds.
- */
- (void) sprintf(buf, "T%lu 0 %lu 0\n",
- (unsigned long) stb.st_mtime,
- (unsigned long) stb.st_atime);
- (void) atomicio(write, remout, buf, strlen(buf));
- if (response() < 0)
- goto next;
- }
-#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
- (void) sprintf(buf, "C%04o %lu %s\n",
- (unsigned int) (stb.st_mode & FILEMODEMASK),
- (unsigned long) stb.st_size,
- last);
- if (verbose_mode) {
- fprintf(stderr, "Sending file modes: %s", buf);
- fflush(stderr);
- }
- (void) atomicio(write, remout, buf, strlen(buf));
- if (response() < 0)
- goto next;
- if ((bp = allocbuf(&buffer, fd, 2048)) == NULL) {
-next: (void) close(fd);
- continue;
- }
- if (showprogress) {
- totalbytes = stb.st_size;
- progressmeter(-1);
- }
- /* 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 = atomicio(read, fd, bp->buf, amt);
- if (result != amt)
- haderr = result >= 0 ? EIO : errno;
- }
- if (haderr)
- (void) atomicio(write, remout, bp->buf, amt);
- else {
- result = atomicio(write, remout, bp->buf, amt);
- if (result != amt)
- haderr = result >= 0 ? EIO : errno;
- statbytes += result;
- }
- }
- if (showprogress)
- progressmeter(1);
-
- if (close(fd) < 0 && !haderr)
- haderr = errno;
- if (!haderr)
- (void) atomicio(write, remout, "", 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[1100];
-
- 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) sprintf(path, "T%lu 0 %lu 0\n",
- (unsigned long) statp->st_mtime,
- (unsigned long) statp->st_atime);
- (void) atomicio(write, remout, path, strlen(path));
- if (response() < 0) {
- closedir(dirp);
- return;
- }
- }
- (void) sprintf(path, "D%04o %d %.1024s\n",
- (unsigned int) (statp->st_mode & FILEMODEMASK), 0, last);
- if (verbose_mode)
- fprintf(stderr, "Entering directory: %s", path);
- (void) atomicio(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) >= sizeof(path) - 1) {
- run_err("%s/%s: name too long", name, dp->d_name);
- continue;
- }
- (void) sprintf(path, "%s/%s", name, dp->d_name);
- vect[0] = path;
- source(1, vect);
- }
- (void) closedir(dirp);
- (void) atomicio(write, remout, "E\n", 2);
- (void) response();
-}
-
-void
-sink(argc, argv)
- int argc;
- char *argv[];
-{
- static BUF buffer;
- struct stat stb;
- enum {
- YES, NO, DISPLAYED
- } wrerr;
- BUF *bp;
- off_t i, j;
- int amt, count, exists, first, mask, mode, ofd, omode;
- off_t size;
- int setimes, targisdir, wrerrno = 0;
- char ch, *cp, *np, *targ, *why, *vect[1], buf[2048];
- struct utimbuf ut;
- int dummy_usec;
-
-#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) atomicio(write, remout, "", 1);
- if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
- targisdir = 1;
- for (first = 1;; first = 0) {
- cp = buf;
- if (atomicio(read, remin, cp, 1) <= 0)
- return;
- if (*cp++ == '\n')
- SCREWUP("unexpected <newline>");
- do {
- if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
- SCREWUP("lost connection");
- *cp++ = ch;
- } while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
- *cp = 0;
-
- if (buf[0] == '\01' || buf[0] == '\02') {
- if (iamremote == 0)
- (void) atomicio(write, STDERR_FILENO,
- buf + 1, strlen(buf + 1));
- if (buf[0] == '\02')
- exit(1);
- ++errs;
- continue;
- }
- if (buf[0] == 'E') {
- (void) atomicio(write, remout, "", 1);
- return;
- }
- if (ch == '\n')
- *--cp = 0;
-
-#define getnum(t) (t) = 0; \
- while (*cp >= '0' && *cp <= '9') (t) = (t) * 10 + (*cp++ - '0');
- cp = buf;
- if (*cp == 'T') {
- setimes++;
- cp++;
- getnum(ut.modtime);
- if (*cp++ != ' ')
- SCREWUP("mtime.sec not delimited");
- getnum(dummy_usec);
- if (*cp++ != ' ')
- SCREWUP("mtime.usec not delimited");
- getnum(ut.actime);
- if (*cp++ != ' ')
- SCREWUP("atime.sec not delimited");
- getnum(dummy_usec);
- if (*cp++ != '\0')
- SCREWUP("atime.usec not delimited");
- (void) atomicio(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; *cp >= '0' && *cp <= '9';)
- 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)
- namebuf = xmalloc(need);
- (void) sprintf(namebuf, "%s%s%s", targ,
- *targ ? "/" : "", cp);
- np = namebuf;
- } else
- np = targ;
- curfile = cp;
- 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 (utime(np, &ut) < 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 | O_TRUNC, mode)) < 0) {
-bad: run_err("%s: %s", np, strerror(errno));
- continue;
- }
- (void) atomicio(write, remout, "", 1);
- if ((bp = allocbuf(&buffer, ofd, 4096)) == NULL) {
- (void) close(ofd);
- continue;
- }
- cp = bp->buf;
- wrerr = NO;
-
- if (showprogress) {
- totalbytes = size;
- progressmeter(-1);
- }
- statbytes = 0;
- for (count = i = 0; i < size; i += 4096) {
- amt = 4096;
- if (i + amt > size)
- amt = size - i;
- count += amt;
- do {
- j = atomicio(read, remin, cp, amt);
- if (j <= 0) {
- run_err("%s", j ? strerror(errno) :
- "dropped connection");
- exit(1);
- }
- amt -= j;
- cp += j;
- statbytes += j;
- } while (amt > 0);
- if (count == bp->cnt) {
- /* Keep reading so we stay sync'd up. */
- if (wrerr == NO) {
- j = atomicio(write, ofd, bp->buf, count);
- if (j != count) {
- wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
- }
- }
- count = 0;
- cp = bp->buf;
- }
- }
- if (showprogress)
- progressmeter(1);
- if (count != 0 && wrerr == NO &&
- (j = atomicio(write, ofd, bp->buf, count)) != count) {
- wrerr = YES;
- wrerrno = j >= 0 ? EIO : errno;
- }
-#if 0
- if (ftruncate(ofd, size)) {
- run_err("%s: truncate: %s", np, strerror(errno));
- wrerr = DISPLAYED;
- }
-#endif
- 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));
- }
- if (close(ofd) == -1) {
- wrerr = YES;
- wrerrno = errno;
- }
- (void) response();
- if (setimes && wrerr == NO) {
- setimes = 0;
- if (utime(np, &ut) < 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) atomicio(write, remout, "", 1);
- break;
- case DISPLAYED:
- break;
- }
- }
-screwup:
- run_err("protocol error: %s", why);
- exit(1);
-}
-
-int
-response()
-{
- char ch, *cp, resp, rbuf[2048];
-
- if (atomicio(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 (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
- lostconn(0);
- *cp++ = ch;
- } while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
-
- if (!iamremote)
- (void) atomicio(write, STDERR_FILENO, rbuf, cp - rbuf);
- ++errs;
- if (resp == 1)
- return (-1);
- exit(1);
- }
- /* NOTREACHED */
-}
-
-void
-usage()
-{
- (void) fprintf(stderr, "usage: scp "
- "[-pqrvC46] [-S ssh] [-P port] [-c cipher] [-i identity] f1 f2; or:\n"
- " scp [options] f1 ... fn directory\n");
- exit(1);
-}
-
-void
-run_err(const char *fmt,...)
-{
- static FILE *fp;
- va_list ap;
- va_start(ap, fmt);
-
- ++errs;
- if (fp == NULL && !(fp = fdopen(remout, "w")))
- return;
- (void) fprintf(fp, "%c", 0x01);
- (void) fprintf(fp, "scp: ");
- (void) vfprintf(fp, fmt, ap);
- (void) fprintf(fp, "\n");
- (void) fflush(fp);
-
- if (!iamremote) {
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- }
- va_end(ap);
-}
-
-char *
-colon(cp)
- char *cp;
-{
- int flag = 0;
-
- if (*cp == ':') /* Leading colon is part of file name. */
- return (0);
- if (*cp == '[')
- flag = 1;
-
- for (; *cp; ++cp) {
- if (*cp == '@' && *(cp+1) == '[')
- flag = 1;
- if (*cp == ']' && *(cp+1) == ':' && flag)
- return (cp+1);
- if (*cp == ':' && !flag)
- return (cp);
- if (*cp == '/')
- return (0);
- }
- return (0);
-}
-
-void
-verifydir(cp)
- char *cp;
-{
- struct stat stb;
-
- if (!stat(cp, &stb)) {
- if (S_ISDIR(stb.st_mode))
- return;
- errno = ENOTDIR;
- }
- run_err("%s: %s", cp, strerror(errno));
- exit(1);
-}
-
-int
-okname(cp0)
- char *cp0;
-{
- int c;
- char *cp;
-
- cp = cp0;
- do {
- c = *cp;
- if (c & 0200)
- goto bad;
- if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-' && c != '.')
- goto bad;
- } while (*++cp);
- return (1);
-
-bad: fprintf(stderr, "%s: invalid user name\n", cp0);
- return (0);
-}
-
-BUF *
-allocbuf(bp, fd, blksize)
- BUF *bp;
- int fd, blksize;
-{
- size_t size;
- struct stat stb;
-
- if (fstat(fd, &stb) < 0) {
- run_err("fstat: %s", strerror(errno));
- return (0);
- }
- if (stb.st_blksize == 0)
- size = blksize;
- else
- size = blksize + (stb.st_blksize - blksize % stb.st_blksize) %
- stb.st_blksize;
- if (bp->cnt >= size)
- return (bp);
- if (bp->buf == NULL)
- bp->buf = xmalloc(size);
- else
- bp->buf = xrealloc(bp->buf, size);
- bp->cnt = size;
- return (bp);
-}
-
-void
-lostconn(signo)
- int signo;
-{
- if (!iamremote)
- fprintf(stderr, "lost connection\n");
- exit(1);
-}
-
-
-void
-alarmtimer(int wait)
-{
- struct itimerval itv;
-
- itv.it_value.tv_sec = wait;
- itv.it_value.tv_usec = 0;
- itv.it_interval = itv.it_value;
- setitimer(ITIMER_REAL, &itv, NULL);
-}
-
-void
-updateprogressmeter(int ignore)
-{
- int save_errno = errno;
-
- progressmeter(0);
- errno = save_errno;
-}
-
-int
-foregroundproc()
-{
- static pid_t pgrp = -1;
- int ctty_pgrp;
-
- if (pgrp == -1)
- pgrp = getpgrp();
-
- return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
- ctty_pgrp == pgrp));
-}
-
-void
-progressmeter(int flag)
-{
- static const char prefixes[] = " KMGTP";
- static struct timeval lastupdate;
- static off_t lastsize;
- struct timeval now, td, wait;
- off_t cursize, abbrevsize;
- double elapsed;
- int ratio, barlength, i, remaining;
- char buf[256];
-
- if (flag == -1) {
- (void) gettimeofday(&start, (struct timezone *) 0);
- lastupdate = start;
- lastsize = 0;
- }
- if (foregroundproc() == 0)
- return;
-
- (void) gettimeofday(&now, (struct timezone *) 0);
- cursize = statbytes;
- if (totalbytes != 0) {
- ratio = 100.0 * cursize / totalbytes;
- ratio = MAX(ratio, 0);
- ratio = MIN(ratio, 100);
- } else
- ratio = 100;
-
- snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio);
-
- barlength = getttywidth() - 51;
- if (barlength > 0) {
- i = barlength * ratio / 100;
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "|%.*s%*s|", i,
- "*****************************************************************************"
- "*****************************************************************************",
- barlength - i, "");
- }
- i = 0;
- abbrevsize = cursize;
- while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
- i++;
- abbrevsize >>= 10;
- }
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5qd %c%c ",
- (quad_t) abbrevsize, prefixes[i], prefixes[i] == ' ' ? ' ' :
- 'B');
-
- timersub(&now, &lastupdate, &wait);
- if (cursize > lastsize) {
- lastupdate = now;
- lastsize = cursize;
- if (wait.tv_sec >= STALLTIME) {
- start.tv_sec += wait.tv_sec;
- start.tv_usec += wait.tv_usec;
- }
- wait.tv_sec = 0;
- }
- timersub(&now, &start, &td);
- elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
-
- if (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes) {
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " --:-- ETA");
- } else if (wait.tv_sec >= STALLTIME) {
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " - stalled -");
- } else {
- if (flag != 1)
- remaining =
- (int)(totalbytes / (statbytes / elapsed) - elapsed);
- else
- remaining = elapsed;
-
- i = remaining / 3600;
- if (i)
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "%2d:", i);
- else
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- " ");
- i = remaining % 3600;
- snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
- "%02d:%02d%s", i / 60, i % 60,
- (flag != 1) ? " ETA" : " ");
- }
- atomicio(write, fileno(stdout), buf, strlen(buf));
-
- if (flag == -1) {
- signal(SIGALRM, updateprogressmeter);
- alarmtimer(1);
- } else if (flag == 1) {
- alarmtimer(0);
- atomicio(write, fileno(stdout), "\n", 1);
- statbytes = 0;
- }
-}
-
-int
-getttywidth(void)
-{
- struct winsize winsize;
-
- if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
- return (winsize.ws_col ? winsize.ws_col : 80);
- else
- return (80);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-25 13:35:36 +0000