version 1.34, 2003/01/10 08:19:07 |
version 1.34.2.2, 2004/03/04 18:18:16 |
|
|
/* |
/* |
* Copyright (c) 2001,2002 Damien Miller. All rights reserved. |
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
* |
* |
* Redistribution and use in source and binary forms, with or without |
* Permission to use, copy, modify, and distribute this software for any |
* modification, are permitted provided that the following conditions |
* purpose with or without fee is hereby granted, provided that the above |
* are met: |
* copyright notice and this permission notice appear in all copies. |
* 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 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* 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" |
#include "includes.h" |
|
|
RCSID("$OpenBSD$"); |
RCSID("$OpenBSD$"); |
|
|
/* XXX: short-form remote directory listings (like 'ls -C') */ |
#include <glob.h> |
|
|
#include "buffer.h" |
#include "buffer.h" |
#include "xmalloc.h" |
#include "xmalloc.h" |
|
|
#include "sftp.h" |
#include "sftp.h" |
#include "sftp-common.h" |
#include "sftp-common.h" |
#include "sftp-client.h" |
#include "sftp-client.h" |
#include "sftp-int.h" |
|
|
|
|
/* File to read commands from */ |
FILE* infile; |
FILE* infile; |
|
|
|
/* Are we in batchfile mode? */ |
|
int batchmode = 0; |
|
|
|
/* Size of buffer used when copying files */ |
size_t copy_buffer_len = 32768; |
size_t copy_buffer_len = 32768; |
|
|
|
/* Number of concurrent outstanding requests */ |
size_t num_requests = 16; |
size_t num_requests = 16; |
|
|
extern int showprogress; |
/* PID of ssh transport process */ |
|
static pid_t sshpid = -1; |
|
|
|
/* This is set to 0 if the progressmeter is not desired. */ |
|
int showprogress; |
|
|
|
int remote_glob(struct sftp_conn *, const char *, int, |
|
int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ |
|
|
|
/* Separators for interactive commands */ |
|
#define WHITESPACE " \t\r\n" |
|
|
|
/* Define what type of ls view (0 - multi-column) */ |
|
#define LONG_VIEW 1 /* Full view ala ls -l */ |
|
#define SHORT_VIEW 2 /* Single row view ala ls -1 */ |
|
|
|
/* Commands for interactive mode */ |
|
#define I_CHDIR 1 |
|
#define I_CHGRP 2 |
|
#define I_CHMOD 3 |
|
#define I_CHOWN 4 |
|
#define I_GET 5 |
|
#define I_HELP 6 |
|
#define I_LCHDIR 7 |
|
#define I_LLS 8 |
|
#define I_LMKDIR 9 |
|
#define I_LPWD 10 |
|
#define I_LS 11 |
|
#define I_LUMASK 12 |
|
#define I_MKDIR 13 |
|
#define I_PUT 14 |
|
#define I_PWD 15 |
|
#define I_QUIT 16 |
|
#define I_RENAME 17 |
|
#define I_RM 18 |
|
#define I_RMDIR 19 |
|
#define I_SHELL 20 |
|
#define I_SYMLINK 21 |
|
#define I_VERSION 22 |
|
#define I_PROGRESS 23 |
|
|
|
struct CMD { |
|
const char *c; |
|
const int n; |
|
}; |
|
|
|
static const struct CMD cmds[] = { |
|
{ "bye", I_QUIT }, |
|
{ "cd", I_CHDIR }, |
|
{ "chdir", I_CHDIR }, |
|
{ "chgrp", I_CHGRP }, |
|
{ "chmod", I_CHMOD }, |
|
{ "chown", I_CHOWN }, |
|
{ "dir", I_LS }, |
|
{ "exit", I_QUIT }, |
|
{ "get", I_GET }, |
|
{ "mget", I_GET }, |
|
{ "help", I_HELP }, |
|
{ "lcd", I_LCHDIR }, |
|
{ "lchdir", I_LCHDIR }, |
|
{ "lls", I_LLS }, |
|
{ "lmkdir", I_LMKDIR }, |
|
{ "ln", I_SYMLINK }, |
|
{ "lpwd", I_LPWD }, |
|
{ "ls", I_LS }, |
|
{ "lumask", I_LUMASK }, |
|
{ "mkdir", I_MKDIR }, |
|
{ "progress", I_PROGRESS }, |
|
{ "put", I_PUT }, |
|
{ "mput", I_PUT }, |
|
{ "pwd", I_PWD }, |
|
{ "quit", I_QUIT }, |
|
{ "rename", I_RENAME }, |
|
{ "rm", I_RM }, |
|
{ "rmdir", I_RMDIR }, |
|
{ "symlink", I_SYMLINK }, |
|
{ "version", I_VERSION }, |
|
{ "!", I_SHELL }, |
|
{ "?", I_HELP }, |
|
{ NULL, -1} |
|
}; |
|
|
|
int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); |
|
|
static void |
static void |
connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid) |
help(void) |
{ |
{ |
|
printf("Available commands:\n"); |
|
printf("cd path Change remote directory to 'path'\n"); |
|
printf("lcd path Change local directory to 'path'\n"); |
|
printf("chgrp grp path Change group of file 'path' to 'grp'\n"); |
|
printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); |
|
printf("chown own path Change owner of file 'path' to 'own'\n"); |
|
printf("help Display this help text\n"); |
|
printf("get remote-path [local-path] Download file\n"); |
|
printf("lls [ls-options [path]] Display local directory listing\n"); |
|
printf("ln oldpath newpath Symlink remote file\n"); |
|
printf("lmkdir path Create local directory\n"); |
|
printf("lpwd Print local working directory\n"); |
|
printf("ls [path] Display remote directory listing\n"); |
|
printf("lumask umask Set local umask to 'umask'\n"); |
|
printf("mkdir path Create remote directory\n"); |
|
printf("progress Toggle display of progress meter\n"); |
|
printf("put local-path [remote-path] Upload file\n"); |
|
printf("pwd Display remote working directory\n"); |
|
printf("exit Quit sftp\n"); |
|
printf("quit Quit sftp\n"); |
|
printf("rename oldpath newpath Rename remote file\n"); |
|
printf("rmdir path Remove remote directory\n"); |
|
printf("rm path Delete remote file\n"); |
|
printf("symlink oldpath newpath Symlink remote file\n"); |
|
printf("version Show SFTP version\n"); |
|
printf("!command Execute 'command' in local shell\n"); |
|
printf("! Escape to local shell\n"); |
|
printf("? Synonym for help\n"); |
|
} |
|
|
|
static void |
|
local_do_shell(const char *args) |
|
{ |
|
int status; |
|
char *shell; |
|
pid_t pid; |
|
|
|
if (!*args) |
|
args = NULL; |
|
|
|
if ((shell = getenv("SHELL")) == NULL) |
|
shell = _PATH_BSHELL; |
|
|
|
if ((pid = fork()) == -1) |
|
fatal("Couldn't fork: %s", strerror(errno)); |
|
|
|
if (pid == 0) { |
|
/* XXX: child has pipe fds to ssh subproc open - issue? */ |
|
if (args) { |
|
debug3("Executing %s -c \"%s\"", shell, args); |
|
execl(shell, shell, "-c", args, (char *)NULL); |
|
} else { |
|
debug3("Executing %s", shell); |
|
execl(shell, shell, (char *)NULL); |
|
} |
|
fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, |
|
strerror(errno)); |
|
_exit(1); |
|
} |
|
while (waitpid(pid, &status, 0) == -1) |
|
if (errno != EINTR) |
|
fatal("Couldn't wait for child: %s", strerror(errno)); |
|
if (!WIFEXITED(status)) |
|
error("Shell exited abormally"); |
|
else if (WEXITSTATUS(status)) |
|
error("Shell exited with status %d", WEXITSTATUS(status)); |
|
} |
|
|
|
static void |
|
local_do_ls(const char *args) |
|
{ |
|
if (!args || !*args) |
|
local_do_shell(_PATH_LS); |
|
else { |
|
int len = strlen(_PATH_LS " ") + strlen(args) + 1; |
|
char *buf = xmalloc(len); |
|
|
|
/* XXX: quoting - rip quoting code from ftp? */ |
|
snprintf(buf, len, _PATH_LS " %s", args); |
|
local_do_shell(buf); |
|
xfree(buf); |
|
} |
|
} |
|
|
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/* Strip one path (usually the pwd) from the start of another */ |
|
static char * |
|
path_strip(char *path, char *strip) |
|
{ |
|
size_t len; |
|
|
|
if (strip == NULL) |
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return (xstrdup(path)); |
|
|
|
len = strlen(strip); |
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if (strip != NULL && strncmp(path, strip, len) == 0) { |
|
if (strip[len - 1] != '/' && path[len] == '/') |
|
len++; |
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return (xstrdup(path + len)); |
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} |
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return (xstrdup(path)); |
|
} |
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static char * |
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path_append(char *p1, char *p2) |
|
{ |
|
char *ret; |
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int len = strlen(p1) + strlen(p2) + 2; |
|
|
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ret = xmalloc(len); |
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strlcpy(ret, p1, len); |
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if (p1[strlen(p1) - 1] != '/') |
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strlcat(ret, "/", len); |
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strlcat(ret, p2, len); |
|
|
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return(ret); |
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} |
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static char * |
|
make_absolute(char *p, char *pwd) |
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{ |
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char *abs; |
|
|
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/* Derelativise */ |
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if (p && p[0] != '/') { |
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abs = path_append(pwd, p); |
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xfree(p); |
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return(abs); |
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} else |
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return(p); |
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} |
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static int |
|
infer_path(const char *p, char **ifp) |
|
{ |
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char *cp; |
|
|
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cp = strrchr(p, '/'); |
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if (cp == NULL) { |
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*ifp = xstrdup(p); |
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return(0); |
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} |
|
|
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if (!cp[1]) { |
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error("Invalid path"); |
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return(-1); |
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} |
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|
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*ifp = xstrdup(cp + 1); |
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return(0); |
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} |
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|
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static int |
|
parse_getput_flags(const char **cpp, int *pflag) |
|
{ |
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const char *cp = *cpp; |
|
|
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/* Check for flags */ |
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if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { |
|
switch (cp[1]) { |
|
case 'p': |
|
case 'P': |
|
*pflag = 1; |
|
break; |
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default: |
|
error("Invalid flag -%c", cp[1]); |
|
return(-1); |
|
} |
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cp += 2; |
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*cpp = cp + strspn(cp, WHITESPACE); |
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} |
|
|
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return(0); |
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} |
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|
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static int |
|
parse_ls_flags(const char **cpp, int *lflag) |
|
{ |
|
const char *cp = *cpp; |
|
|
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/* Check for flags */ |
|
if (cp++[0] == '-') { |
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for(; strchr(WHITESPACE, *cp) == NULL; cp++) { |
|
switch (*cp) { |
|
case 'l': |
|
*lflag = LONG_VIEW; |
|
break; |
|
case '1': |
|
*lflag = SHORT_VIEW; |
|
break; |
|
default: |
|
error("Invalid flag -%c", *cp); |
|
return(-1); |
|
} |
|
} |
|
*cpp = cp + strspn(cp, WHITESPACE); |
|
} |
|
|
|
return(0); |
|
} |
|
|
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static int |
|
get_pathname(const char **cpp, char **path) |
|
{ |
|
const char *cp = *cpp, *end; |
|
char quot; |
|
int i, j; |
|
|
|
cp += strspn(cp, WHITESPACE); |
|
if (!*cp) { |
|
*cpp = cp; |
|
*path = NULL; |
|
return (0); |
|
} |
|
|
|
*path = xmalloc(strlen(cp) + 1); |
|
|
|
/* Check for quoted filenames */ |
|
if (*cp == '\"' || *cp == '\'') { |
|
quot = *cp++; |
|
|
|
/* Search for terminating quote, unescape some chars */ |
|
for (i = j = 0; i <= strlen(cp); i++) { |
|
if (cp[i] == quot) { /* Found quote */ |
|
i++; |
|
(*path)[j] = '\0'; |
|
break; |
|
} |
|
if (cp[i] == '\0') { /* End of string */ |
|
error("Unterminated quote"); |
|
goto fail; |
|
} |
|
if (cp[i] == '\\') { /* Escaped characters */ |
|
i++; |
|
if (cp[i] != '\'' && cp[i] != '\"' && |
|
cp[i] != '\\') { |
|
error("Bad escaped character '\%c'", |
|
cp[i]); |
|
goto fail; |
|
} |
|
} |
|
(*path)[j++] = cp[i]; |
|
} |
|
|
|
if (j == 0) { |
|
error("Empty quotes"); |
|
goto fail; |
|
} |
|
*cpp = cp + i + strspn(cp + i, WHITESPACE); |
|
} else { |
|
/* Read to end of filename */ |
|
end = strpbrk(cp, WHITESPACE); |
|
if (end == NULL) |
|
end = strchr(cp, '\0'); |
|
*cpp = end + strspn(end, WHITESPACE); |
|
|
|
memcpy(*path, cp, end - cp); |
|
(*path)[end - cp] = '\0'; |
|
} |
|
return (0); |
|
|
|
fail: |
|
xfree(*path); |
|
*path = NULL; |
|
return (-1); |
|
} |
|
|
|
static int |
|
is_dir(char *path) |
|
{ |
|
struct stat sb; |
|
|
|
/* XXX: report errors? */ |
|
if (stat(path, &sb) == -1) |
|
return(0); |
|
|
|
return(sb.st_mode & S_IFDIR); |
|
} |
|
|
|
static int |
|
is_reg(char *path) |
|
{ |
|
struct stat sb; |
|
|
|
if (stat(path, &sb) == -1) |
|
fatal("stat %s: %s", path, strerror(errno)); |
|
|
|
return(S_ISREG(sb.st_mode)); |
|
} |
|
|
|
static int |
|
remote_is_dir(struct sftp_conn *conn, char *path) |
|
{ |
|
Attrib *a; |
|
|
|
/* XXX: report errors? */ |
|
if ((a = do_stat(conn, path, 1)) == NULL) |
|
return(0); |
|
if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) |
|
return(0); |
|
return(a->perm & S_IFDIR); |
|
} |
|
|
|
static int |
|
process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) |
|
{ |
|
char *abs_src = NULL; |
|
char *abs_dst = NULL; |
|
char *tmp; |
|
glob_t g; |
|
int err = 0; |
|
int i; |
|
|
|
abs_src = xstrdup(src); |
|
abs_src = make_absolute(abs_src, pwd); |
|
|
|
memset(&g, 0, sizeof(g)); |
|
debug3("Looking up %s", abs_src); |
|
if (remote_glob(conn, abs_src, 0, NULL, &g)) { |
|
error("File \"%s\" not found.", abs_src); |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
/* If multiple matches, dst must be a directory or unspecified */ |
|
if (g.gl_matchc > 1 && dst && !is_dir(dst)) { |
|
error("Multiple files match, but \"%s\" is not a directory", |
|
dst); |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
if (infer_path(g.gl_pathv[i], &tmp)) { |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
if (g.gl_matchc == 1 && dst) { |
|
/* If directory specified, append filename */ |
|
if (is_dir(dst)) { |
|
if (infer_path(g.gl_pathv[0], &tmp)) { |
|
err = 1; |
|
goto out; |
|
} |
|
abs_dst = path_append(dst, tmp); |
|
xfree(tmp); |
|
} else |
|
abs_dst = xstrdup(dst); |
|
} else if (dst) { |
|
abs_dst = path_append(dst, tmp); |
|
xfree(tmp); |
|
} else |
|
abs_dst = tmp; |
|
|
|
printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); |
|
if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) |
|
err = -1; |
|
xfree(abs_dst); |
|
abs_dst = NULL; |
|
} |
|
|
|
out: |
|
xfree(abs_src); |
|
if (abs_dst) |
|
xfree(abs_dst); |
|
globfree(&g); |
|
return(err); |
|
} |
|
|
|
static int |
|
process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) |
|
{ |
|
char *tmp_dst = NULL; |
|
char *abs_dst = NULL; |
|
char *tmp; |
|
glob_t g; |
|
int err = 0; |
|
int i; |
|
|
|
if (dst) { |
|
tmp_dst = xstrdup(dst); |
|
tmp_dst = make_absolute(tmp_dst, pwd); |
|
} |
|
|
|
memset(&g, 0, sizeof(g)); |
|
debug3("Looking up %s", src); |
|
if (glob(src, 0, NULL, &g)) { |
|
error("File \"%s\" not found.", src); |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
/* If multiple matches, dst may be directory or unspecified */ |
|
if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { |
|
error("Multiple files match, but \"%s\" is not a directory", |
|
tmp_dst); |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
if (!is_reg(g.gl_pathv[i])) { |
|
error("skipping non-regular file %s", |
|
g.gl_pathv[i]); |
|
continue; |
|
} |
|
if (infer_path(g.gl_pathv[i], &tmp)) { |
|
err = -1; |
|
goto out; |
|
} |
|
|
|
if (g.gl_matchc == 1 && tmp_dst) { |
|
/* If directory specified, append filename */ |
|
if (remote_is_dir(conn, tmp_dst)) { |
|
if (infer_path(g.gl_pathv[0], &tmp)) { |
|
err = 1; |
|
goto out; |
|
} |
|
abs_dst = path_append(tmp_dst, tmp); |
|
xfree(tmp); |
|
} else |
|
abs_dst = xstrdup(tmp_dst); |
|
|
|
} else if (tmp_dst) { |
|
abs_dst = path_append(tmp_dst, tmp); |
|
xfree(tmp); |
|
} else |
|
abs_dst = make_absolute(tmp, pwd); |
|
|
|
printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); |
|
if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) |
|
err = -1; |
|
} |
|
|
|
out: |
|
if (abs_dst) |
|
xfree(abs_dst); |
|
if (tmp_dst) |
|
xfree(tmp_dst); |
|
globfree(&g); |
|
return(err); |
|
} |
|
|
|
static int |
|
sdirent_comp(const void *aa, const void *bb) |
|
{ |
|
SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; |
|
SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; |
|
|
|
return (strcmp(a->filename, b->filename)); |
|
} |
|
|
|
/* sftp ls.1 replacement for directories */ |
|
static int |
|
do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) |
|
{ |
|
int n, c = 1, colspace = 0, columns = 1; |
|
SFTP_DIRENT **d; |
|
|
|
if ((n = do_readdir(conn, path, &d)) != 0) |
|
return (n); |
|
|
|
if (!(lflag & SHORT_VIEW)) { |
|
int m = 0, width = 80; |
|
struct winsize ws; |
|
char *tmp; |
|
|
|
/* Count entries for sort and find longest filename */ |
|
for (n = 0; d[n] != NULL; n++) |
|
m = MAX(m, strlen(d[n]->filename)); |
|
|
|
/* Add any subpath that also needs to be counted */ |
|
tmp = path_strip(path, strip_path); |
|
m += strlen(tmp); |
|
xfree(tmp); |
|
|
|
if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) |
|
width = ws.ws_col; |
|
|
|
columns = width / (m + 2); |
|
columns = MAX(columns, 1); |
|
colspace = width / columns; |
|
colspace = MIN(colspace, width); |
|
} |
|
|
|
qsort(d, n, sizeof(*d), sdirent_comp); |
|
|
|
for (n = 0; d[n] != NULL; n++) { |
|
char *tmp, *fname; |
|
|
|
tmp = path_append(path, d[n]->filename); |
|
fname = path_strip(tmp, strip_path); |
|
xfree(tmp); |
|
|
|
if (lflag & LONG_VIEW) { |
|
char *lname; |
|
struct stat sb; |
|
|
|
memset(&sb, 0, sizeof(sb)); |
|
attrib_to_stat(&d[n]->a, &sb); |
|
lname = ls_file(fname, &sb, 1); |
|
printf("%s\n", lname); |
|
xfree(lname); |
|
} else { |
|
printf("%-*s", colspace, fname); |
|
if (c >= columns) { |
|
printf("\n"); |
|
c = 1; |
|
} else |
|
c++; |
|
} |
|
|
|
xfree(fname); |
|
} |
|
|
|
if (!(lflag & LONG_VIEW) && (c != 1)) |
|
printf("\n"); |
|
|
|
free_sftp_dirents(d); |
|
return (0); |
|
} |
|
|
|
/* sftp ls.1 replacement which handles path globs */ |
|
static int |
|
do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, |
|
int lflag) |
|
{ |
|
glob_t g; |
|
int i, c = 1, colspace = 0, columns = 1; |
|
Attrib *a; |
|
|
|
memset(&g, 0, sizeof(g)); |
|
|
|
if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, |
|
NULL, &g)) { |
|
error("Can't ls: \"%s\" not found", path); |
|
return (-1); |
|
} |
|
|
|
/* |
|
* If the glob returns a single match, which is the same as the |
|
* input glob, and it is a directory, then just list its contents |
|
*/ |
|
if (g.gl_pathc == 1 && |
|
strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { |
|
if ((a = do_lstat(conn, path, 1)) == NULL) { |
|
globfree(&g); |
|
return (-1); |
|
} |
|
if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
|
S_ISDIR(a->perm)) { |
|
globfree(&g); |
|
return (do_ls_dir(conn, path, strip_path, lflag)); |
|
} |
|
} |
|
|
|
if (!(lflag & SHORT_VIEW)) { |
|
int m = 0, width = 80; |
|
struct winsize ws; |
|
|
|
/* Count entries for sort and find longest filename */ |
|
for (i = 0; g.gl_pathv[i]; i++) |
|
m = MAX(m, strlen(g.gl_pathv[i])); |
|
|
|
if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) |
|
width = ws.ws_col; |
|
|
|
columns = width / (m + 2); |
|
columns = MAX(columns, 1); |
|
colspace = width / columns; |
|
} |
|
|
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
char *fname; |
|
|
|
fname = path_strip(g.gl_pathv[i], strip_path); |
|
|
|
if (lflag & LONG_VIEW) { |
|
char *lname; |
|
struct stat sb; |
|
|
|
/* |
|
* XXX: this is slow - 1 roundtrip per path |
|
* A solution to this is to fork glob() and |
|
* build a sftp specific version which keeps the |
|
* attribs (which currently get thrown away) |
|
* that the server returns as well as the filenames. |
|
*/ |
|
memset(&sb, 0, sizeof(sb)); |
|
a = do_lstat(conn, g.gl_pathv[i], 1); |
|
if (a != NULL) |
|
attrib_to_stat(a, &sb); |
|
lname = ls_file(fname, &sb, 1); |
|
printf("%s\n", lname); |
|
xfree(lname); |
|
} else { |
|
printf("%-*s", colspace, fname); |
|
if (c >= columns) { |
|
printf("\n"); |
|
c = 1; |
|
} else |
|
c++; |
|
} |
|
xfree(fname); |
|
} |
|
|
|
if (!(lflag & LONG_VIEW) && (c != 1)) |
|
printf("\n"); |
|
|
|
if (g.gl_pathc) |
|
globfree(&g); |
|
|
|
return (0); |
|
} |
|
|
|
static int |
|
parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, |
|
unsigned long *n_arg, char **path1, char **path2) |
|
{ |
|
const char *cmd, *cp = *cpp; |
|
char *cp2; |
|
int base = 0; |
|
long l; |
|
int i, cmdnum; |
|
|
|
/* Skip leading whitespace */ |
|
cp = cp + strspn(cp, WHITESPACE); |
|
|
|
/* Ignore blank lines and lines which begin with comment '#' char */ |
|
if (*cp == '\0' || *cp == '#') |
|
return (0); |
|
|
|
/* Check for leading '-' (disable error processing) */ |
|
*iflag = 0; |
|
if (*cp == '-') { |
|
*iflag = 1; |
|
cp++; |
|
} |
|
|
|
/* Figure out which command we have */ |
|
for (i = 0; cmds[i].c; i++) { |
|
int cmdlen = strlen(cmds[i].c); |
|
|
|
/* Check for command followed by whitespace */ |
|
if (!strncasecmp(cp, cmds[i].c, cmdlen) && |
|
strchr(WHITESPACE, cp[cmdlen])) { |
|
cp += cmdlen; |
|
cp = cp + strspn(cp, WHITESPACE); |
|
break; |
|
} |
|
} |
|
cmdnum = cmds[i].n; |
|
cmd = cmds[i].c; |
|
|
|
/* Special case */ |
|
if (*cp == '!') { |
|
cp++; |
|
cmdnum = I_SHELL; |
|
} else if (cmdnum == -1) { |
|
error("Invalid command."); |
|
return (-1); |
|
} |
|
|
|
/* Get arguments and parse flags */ |
|
*lflag = *pflag = *n_arg = 0; |
|
*path1 = *path2 = NULL; |
|
switch (cmdnum) { |
|
case I_GET: |
|
case I_PUT: |
|
if (parse_getput_flags(&cp, pflag)) |
|
return(-1); |
|
/* Get first pathname (mandatory) */ |
|
if (get_pathname(&cp, path1)) |
|
return(-1); |
|
if (*path1 == NULL) { |
|
error("You must specify at least one path after a " |
|
"%s command.", cmd); |
|
return(-1); |
|
} |
|
/* Try to get second pathname (optional) */ |
|
if (get_pathname(&cp, path2)) |
|
return(-1); |
|
break; |
|
case I_RENAME: |
|
case I_SYMLINK: |
|
if (get_pathname(&cp, path1)) |
|
return(-1); |
|
if (get_pathname(&cp, path2)) |
|
return(-1); |
|
if (!*path1 || !*path2) { |
|
error("You must specify two paths after a %s " |
|
"command.", cmd); |
|
return(-1); |
|
} |
|
break; |
|
case I_RM: |
|
case I_MKDIR: |
|
case I_RMDIR: |
|
case I_CHDIR: |
|
case I_LCHDIR: |
|
case I_LMKDIR: |
|
/* Get pathname (mandatory) */ |
|
if (get_pathname(&cp, path1)) |
|
return(-1); |
|
if (*path1 == NULL) { |
|
error("You must specify a path after a %s command.", |
|
cmd); |
|
return(-1); |
|
} |
|
break; |
|
case I_LS: |
|
if (parse_ls_flags(&cp, lflag)) |
|
return(-1); |
|
/* Path is optional */ |
|
if (get_pathname(&cp, path1)) |
|
return(-1); |
|
break; |
|
case I_LLS: |
|
case I_SHELL: |
|
/* Uses the rest of the line */ |
|
break; |
|
case I_LUMASK: |
|
base = 8; |
|
case I_CHMOD: |
|
base = 8; |
|
case I_CHOWN: |
|
case I_CHGRP: |
|
/* Get numeric arg (mandatory) */ |
|
l = strtol(cp, &cp2, base); |
|
if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) && |
|
errno == ERANGE) || l < 0) { |
|
error("You must supply a numeric argument " |
|
"to the %s command.", cmd); |
|
return(-1); |
|
} |
|
cp = cp2; |
|
*n_arg = l; |
|
if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp)) |
|
break; |
|
if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) { |
|
error("You must supply a numeric argument " |
|
"to the %s command.", cmd); |
|
return(-1); |
|
} |
|
cp += strspn(cp, WHITESPACE); |
|
|
|
/* Get pathname (mandatory) */ |
|
if (get_pathname(&cp, path1)) |
|
return(-1); |
|
if (*path1 == NULL) { |
|
error("You must specify a path after a %s command.", |
|
cmd); |
|
return(-1); |
|
} |
|
break; |
|
case I_QUIT: |
|
case I_PWD: |
|
case I_LPWD: |
|
case I_HELP: |
|
case I_VERSION: |
|
case I_PROGRESS: |
|
break; |
|
default: |
|
fatal("Command not implemented"); |
|
} |
|
|
|
*cpp = cp; |
|
return(cmdnum); |
|
} |
|
|
|
static int |
|
parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, |
|
int err_abort) |
|
{ |
|
char *path1, *path2, *tmp; |
|
int pflag, lflag, iflag, cmdnum, i; |
|
unsigned long n_arg; |
|
Attrib a, *aa; |
|
char path_buf[MAXPATHLEN]; |
|
int err = 0; |
|
glob_t g; |
|
|
|
path1 = path2 = NULL; |
|
cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg, |
|
&path1, &path2); |
|
|
|
if (iflag != 0) |
|
err_abort = 0; |
|
|
|
memset(&g, 0, sizeof(g)); |
|
|
|
/* Perform command */ |
|
switch (cmdnum) { |
|
case 0: |
|
/* Blank line */ |
|
break; |
|
case -1: |
|
/* Unrecognized command */ |
|
err = -1; |
|
break; |
|
case I_GET: |
|
err = process_get(conn, path1, path2, *pwd, pflag); |
|
break; |
|
case I_PUT: |
|
err = process_put(conn, path1, path2, *pwd, pflag); |
|
break; |
|
case I_RENAME: |
|
path1 = make_absolute(path1, *pwd); |
|
path2 = make_absolute(path2, *pwd); |
|
err = do_rename(conn, path1, path2); |
|
break; |
|
case I_SYMLINK: |
|
path2 = make_absolute(path2, *pwd); |
|
err = do_symlink(conn, path1, path2); |
|
break; |
|
case I_RM: |
|
path1 = make_absolute(path1, *pwd); |
|
remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
printf("Removing %s\n", g.gl_pathv[i]); |
|
err = do_rm(conn, g.gl_pathv[i]); |
|
if (err != 0 && err_abort) |
|
break; |
|
} |
|
break; |
|
case I_MKDIR: |
|
path1 = make_absolute(path1, *pwd); |
|
attrib_clear(&a); |
|
a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; |
|
a.perm = 0777; |
|
err = do_mkdir(conn, path1, &a); |
|
break; |
|
case I_RMDIR: |
|
path1 = make_absolute(path1, *pwd); |
|
err = do_rmdir(conn, path1); |
|
break; |
|
case I_CHDIR: |
|
path1 = make_absolute(path1, *pwd); |
|
if ((tmp = do_realpath(conn, path1)) == NULL) { |
|
err = 1; |
|
break; |
|
} |
|
if ((aa = do_stat(conn, tmp, 0)) == NULL) { |
|
xfree(tmp); |
|
err = 1; |
|
break; |
|
} |
|
if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { |
|
error("Can't change directory: Can't check target"); |
|
xfree(tmp); |
|
err = 1; |
|
break; |
|
} |
|
if (!S_ISDIR(aa->perm)) { |
|
error("Can't change directory: \"%s\" is not " |
|
"a directory", tmp); |
|
xfree(tmp); |
|
err = 1; |
|
break; |
|
} |
|
xfree(*pwd); |
|
*pwd = tmp; |
|
break; |
|
case I_LS: |
|
if (!path1) { |
|
do_globbed_ls(conn, *pwd, *pwd, lflag); |
|
break; |
|
} |
|
|
|
/* Strip pwd off beginning of non-absolute paths */ |
|
tmp = NULL; |
|
if (*path1 != '/') |
|
tmp = *pwd; |
|
|
|
path1 = make_absolute(path1, *pwd); |
|
err = do_globbed_ls(conn, path1, tmp, lflag); |
|
break; |
|
case I_LCHDIR: |
|
if (chdir(path1) == -1) { |
|
error("Couldn't change local directory to " |
|
"\"%s\": %s", path1, strerror(errno)); |
|
err = 1; |
|
} |
|
break; |
|
case I_LMKDIR: |
|
if (mkdir(path1, 0777) == -1) { |
|
error("Couldn't create local directory " |
|
"\"%s\": %s", path1, strerror(errno)); |
|
err = 1; |
|
} |
|
break; |
|
case I_LLS: |
|
local_do_ls(cmd); |
|
break; |
|
case I_SHELL: |
|
local_do_shell(cmd); |
|
break; |
|
case I_LUMASK: |
|
umask(n_arg); |
|
printf("Local umask: %03lo\n", n_arg); |
|
break; |
|
case I_CHMOD: |
|
path1 = make_absolute(path1, *pwd); |
|
attrib_clear(&a); |
|
a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; |
|
a.perm = n_arg; |
|
remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
printf("Changing mode on %s\n", g.gl_pathv[i]); |
|
err = do_setstat(conn, g.gl_pathv[i], &a); |
|
if (err != 0 && err_abort) |
|
break; |
|
} |
|
break; |
|
case I_CHOWN: |
|
case I_CHGRP: |
|
path1 = make_absolute(path1, *pwd); |
|
remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
|
for (i = 0; g.gl_pathv[i]; i++) { |
|
if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { |
|
if (err != 0 && err_abort) |
|
break; |
|
else |
|
continue; |
|
} |
|
if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { |
|
error("Can't get current ownership of " |
|
"remote file \"%s\"", g.gl_pathv[i]); |
|
if (err != 0 && err_abort) |
|
break; |
|
else |
|
continue; |
|
} |
|
aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; |
|
if (cmdnum == I_CHOWN) { |
|
printf("Changing owner on %s\n", g.gl_pathv[i]); |
|
aa->uid = n_arg; |
|
} else { |
|
printf("Changing group on %s\n", g.gl_pathv[i]); |
|
aa->gid = n_arg; |
|
} |
|
err = do_setstat(conn, g.gl_pathv[i], aa); |
|
if (err != 0 && err_abort) |
|
break; |
|
} |
|
break; |
|
case I_PWD: |
|
printf("Remote working directory: %s\n", *pwd); |
|
break; |
|
case I_LPWD: |
|
if (!getcwd(path_buf, sizeof(path_buf))) { |
|
error("Couldn't get local cwd: %s", strerror(errno)); |
|
err = -1; |
|
break; |
|
} |
|
printf("Local working directory: %s\n", path_buf); |
|
break; |
|
case I_QUIT: |
|
/* Processed below */ |
|
break; |
|
case I_HELP: |
|
help(); |
|
break; |
|
case I_VERSION: |
|
printf("SFTP protocol version %u\n", sftp_proto_version(conn)); |
|
break; |
|
case I_PROGRESS: |
|
showprogress = !showprogress; |
|
if (showprogress) |
|
printf("Progress meter enabled\n"); |
|
else |
|
printf("Progress meter disabled\n"); |
|
break; |
|
default: |
|
fatal("%d is not implemented", cmdnum); |
|
} |
|
|
|
if (g.gl_pathc) |
|
globfree(&g); |
|
if (path1) |
|
xfree(path1); |
|
if (path2) |
|
xfree(path2); |
|
|
|
/* If an unignored error occurs in batch mode we should abort. */ |
|
if (err_abort && err != 0) |
|
return (-1); |
|
else if (cmdnum == I_QUIT) |
|
return (1); |
|
|
|
return (0); |
|
} |
|
|
|
int |
|
interactive_loop(int fd_in, int fd_out, char *file1, char *file2) |
|
{ |
|
char *pwd; |
|
char *dir = NULL; |
|
char cmd[2048]; |
|
struct sftp_conn *conn; |
|
int err; |
|
|
|
conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); |
|
if (conn == NULL) |
|
fatal("Couldn't initialise connection to server"); |
|
|
|
pwd = do_realpath(conn, "."); |
|
if (pwd == NULL) |
|
fatal("Need cwd"); |
|
|
|
if (file1 != NULL) { |
|
dir = xstrdup(file1); |
|
dir = make_absolute(dir, pwd); |
|
|
|
if (remote_is_dir(conn, dir) && file2 == NULL) { |
|
printf("Changing to: %s\n", dir); |
|
snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); |
|
if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) |
|
return (-1); |
|
} else { |
|
if (file2 == NULL) |
|
snprintf(cmd, sizeof cmd, "get %s", dir); |
|
else |
|
snprintf(cmd, sizeof cmd, "get %s %s", dir, |
|
file2); |
|
|
|
err = parse_dispatch_command(conn, cmd, &pwd, 1); |
|
xfree(dir); |
|
xfree(pwd); |
|
return (err); |
|
} |
|
xfree(dir); |
|
} |
|
|
|
setvbuf(stdout, NULL, _IOLBF, 0); |
|
setvbuf(infile, NULL, _IOLBF, 0); |
|
|
|
err = 0; |
|
for (;;) { |
|
char *cp; |
|
|
|
printf("sftp> "); |
|
|
|
/* XXX: use libedit */ |
|
if (fgets(cmd, sizeof(cmd), infile) == NULL) { |
|
printf("\n"); |
|
break; |
|
} |
|
|
|
if (batchmode) /* Echo command */ |
|
printf("%s", cmd); |
|
|
|
cp = strrchr(cmd, '\n'); |
|
if (cp) |
|
*cp = '\0'; |
|
|
|
err = parse_dispatch_command(conn, cmd, &pwd, batchmode); |
|
if (err != 0) |
|
break; |
|
} |
|
xfree(pwd); |
|
|
|
/* err == 1 signifies normal "quit" exit */ |
|
return (err >= 0 ? 0 : -1); |
|
} |
|
|
|
static void |
|
killchild(int signo) |
|
{ |
|
if (sshpid > 1) |
|
kill(sshpid, signo); |
|
|
|
_exit(1); |
|
} |
|
|
|
static void |
|
connect_to_server(char *path, char **args, int *in, int *out) |
|
{ |
int c_in, c_out; |
int c_in, c_out; |
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#ifdef USE_PIPES |
#ifdef USE_PIPES |
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c_in = c_out = inout[1]; |
c_in = c_out = inout[1]; |
#endif /* USE_PIPES */ |
#endif /* USE_PIPES */ |
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if ((*sshpid = fork()) == -1) |
if ((sshpid = fork()) == -1) |
fatal("fork: %s", strerror(errno)); |
fatal("fork: %s", strerror(errno)); |
else if (*sshpid == 0) { |
else if (sshpid == 0) { |
if ((dup2(c_in, STDIN_FILENO) == -1) || |
if ((dup2(c_in, STDIN_FILENO) == -1) || |
(dup2(c_out, STDOUT_FILENO) == -1)) { |
(dup2(c_out, STDOUT_FILENO) == -1)) { |
fprintf(stderr, "dup2: %s\n", strerror(errno)); |
fprintf(stderr, "dup2: %s\n", strerror(errno)); |
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exit(1); |
exit(1); |
} |
} |
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signal(SIGTERM, killchild); |
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signal(SIGINT, killchild); |
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signal(SIGHUP, killchild); |
close(c_in); |
close(c_in); |
close(c_out); |
close(c_out); |
} |
} |
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extern char *__progname; |
extern char *__progname; |
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fprintf(stderr, |
fprintf(stderr, |
"usage: %s [-vC1] [-b batchfile] [-o option] [-s subsystem|path] [-B buffer_size]\n" |
"usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n" |
" [-F config] [-P direct server path] [-S program]\n" |
" [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n" |
" [user@]host[:file [file]]\n", __progname); |
" [-S program] [-s subsystem | sftp_server] host\n" |
|
" %s [[user@]host[:file [file]]]\n" |
|
" %s [[user@]host[:dir[/]]]\n" |
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" %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname); |
exit(1); |
exit(1); |
} |
} |
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main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
int in, out, ch, err; |
int in, out, ch, err; |
pid_t sshpid; |
|
char *host, *userhost, *cp, *file2; |
char *host, *userhost, *cp, *file2; |
int debug_level = 0, sshver = 2; |
int debug_level = 0, sshver = 2; |
char *file1 = NULL, *sftp_server = NULL; |
char *file1 = NULL, *sftp_server = NULL; |
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addargs(&args, "-oForwardX11 no"); |
addargs(&args, "-oForwardX11 no"); |
addargs(&args, "-oForwardAgent no"); |
addargs(&args, "-oForwardAgent no"); |
addargs(&args, "-oClearAllForwardings yes"); |
addargs(&args, "-oClearAllForwardings yes"); |
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ll = SYSLOG_LEVEL_INFO; |
ll = SYSLOG_LEVEL_INFO; |
infile = stdin; /* Read from STDIN unless changed by -b */ |
infile = stdin; |
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while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
switch (ch) { |
switch (ch) { |
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ssh_program = optarg; |
ssh_program = optarg; |
break; |
break; |
case 'b': |
case 'b': |
if (infile == stdin) { |
if (batchmode) |
infile = fopen(optarg, "r"); |
fatal("Batch file already specified."); |
if (infile == NULL) |
|
fatal("%s (%s).", strerror(errno), optarg); |
/* Allow "-" as stdin */ |
} else |
if (strcmp(optarg, "-") != 0 && |
fatal("Filename already specified."); |
(infile = fopen(optarg, "r")) == NULL) |
|
fatal("%s (%s).", strerror(errno), optarg); |
showprogress = 0; |
showprogress = 0; |
|
batchmode = 1; |
break; |
break; |
case 'P': |
case 'P': |
sftp_direct = optarg; |
sftp_direct = optarg; |
|
|
userhost = xstrdup(argv[optind]); |
userhost = xstrdup(argv[optind]); |
file2 = argv[optind+1]; |
file2 = argv[optind+1]; |
|
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if ((cp = colon(userhost)) != NULL) { |
|
*cp++ = '\0'; |
|
file1 = cp; |
|
} |
|
|
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if ((host = strrchr(userhost, '@')) == NULL) |
if ((host = strrchr(userhost, '@')) == NULL) |
host = userhost; |
host = userhost; |
else { |
else { |
|
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addargs(&args, "-l%s",userhost); |
addargs(&args, "-l%s",userhost); |
} |
} |
|
|
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if ((cp = colon(host)) != NULL) { |
|
*cp++ = '\0'; |
|
file1 = cp; |
|
} |
|
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host = cleanhostname(host); |
host = cleanhostname(host); |
if (!*host) { |
if (!*host) { |
fprintf(stderr, "Missing hostname\n"); |
fprintf(stderr, "Missing hostname\n"); |
|
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sftp_server : "sftp")); |
sftp_server : "sftp")); |
args.list[0] = ssh_program; |
args.list[0] = ssh_program; |
|
|
fprintf(stderr, "Connecting to %s...\n", host); |
if (!batchmode) |
connect_to_server(ssh_program, args.list, &in, &out, |
fprintf(stderr, "Connecting to %s...\n", host); |
&sshpid); |
connect_to_server(ssh_program, args.list, &in, &out); |
} else { |
} else { |
args.list = NULL; |
args.list = NULL; |
addargs(&args, "sftp-server"); |
addargs(&args, "sftp-server"); |
|
|
fprintf(stderr, "Attaching to %s...\n", sftp_direct); |
if (!batchmode) |
connect_to_server(sftp_direct, args.list, &in, &out, |
fprintf(stderr, "Attaching to %s...\n", sftp_direct); |
&sshpid); |
connect_to_server(sftp_direct, args.list, &in, &out); |
} |
} |
|
|
err = interactive_loop(in, out, file1, file2); |
err = interactive_loop(in, out, file1, file2); |
|
|
close(in); |
close(in); |
close(out); |
close(out); |
if (infile != stdin) |
if (batchmode) |
fclose(infile); |
fclose(infile); |
|
|
while (waitpid(sshpid, NULL, 0) == -1) |
while (waitpid(sshpid, NULL, 0) == -1) |