1085 lines
24 KiB
C
1085 lines
24 KiB
C
/*
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* Copyright (c) 2001,2002 Damien Miller. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* XXX: recursive operations */
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#include "includes.h"
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RCSID("$OpenBSD: sftp-int.c,v 1.49 2002/09/12 00:13:06 djm Exp $");
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#include "buffer.h"
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#include "xmalloc.h"
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#include "log.h"
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#include "pathnames.h"
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#include "sftp.h"
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#include "sftp-common.h"
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#include "sftp-glob.h"
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#include "sftp-client.h"
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#include "sftp-int.h"
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/* File to read commands from */
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extern FILE *infile;
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/* Size of buffer used when copying files */
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extern size_t copy_buffer_len;
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/* Number of concurrent outstanding requests */
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extern int num_requests;
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/* Seperators for interactive commands */
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#define WHITESPACE " \t\r\n"
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/* Commands for interactive mode */
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#define I_CHDIR 1
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#define I_CHGRP 2
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#define I_CHMOD 3
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#define I_CHOWN 4
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#define I_GET 5
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#define I_HELP 6
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#define I_LCHDIR 7
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#define I_LLS 8
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#define I_LMKDIR 9
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#define I_LPWD 10
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#define I_LS 11
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#define I_LUMASK 12
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#define I_MKDIR 13
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#define I_PUT 14
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#define I_PWD 15
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#define I_QUIT 16
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#define I_RENAME 17
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#define I_RM 18
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#define I_RMDIR 19
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#define I_SHELL 20
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#define I_SYMLINK 21
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#define I_VERSION 22
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struct CMD {
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const char *c;
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const int n;
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};
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const struct CMD cmds[] = {
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{ "bye", I_QUIT },
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{ "cd", I_CHDIR },
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{ "chdir", I_CHDIR },
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{ "chgrp", I_CHGRP },
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{ "chmod", I_CHMOD },
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{ "chown", I_CHOWN },
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{ "dir", I_LS },
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{ "exit", I_QUIT },
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{ "get", I_GET },
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{ "mget", I_GET },
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{ "help", I_HELP },
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{ "lcd", I_LCHDIR },
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{ "lchdir", I_LCHDIR },
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{ "lls", I_LLS },
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{ "lmkdir", I_LMKDIR },
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{ "ln", I_SYMLINK },
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{ "lpwd", I_LPWD },
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{ "ls", I_LS },
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{ "lumask", I_LUMASK },
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{ "mkdir", I_MKDIR },
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{ "put", I_PUT },
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{ "mput", I_PUT },
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{ "pwd", I_PWD },
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{ "quit", I_QUIT },
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{ "rename", I_RENAME },
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{ "rm", I_RM },
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{ "rmdir", I_RMDIR },
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{ "symlink", I_SYMLINK },
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{ "version", I_VERSION },
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{ "!", I_SHELL },
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{ "?", I_HELP },
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{ NULL, -1}
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};
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static void
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help(void)
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{
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printf("Available commands:\n");
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printf("cd path Change remote directory to 'path'\n");
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printf("lcd path Change local directory to 'path'\n");
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printf("chgrp grp path Change group of file 'path' to 'grp'\n");
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printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
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printf("chown own path Change owner of file 'path' to 'own'\n");
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printf("help Display this help text\n");
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printf("get remote-path [local-path] Download file\n");
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printf("lls [ls-options [path]] Display local directory listing\n");
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printf("ln oldpath newpath Symlink remote file\n");
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printf("lmkdir path Create local directory\n");
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printf("lpwd Print local working directory\n");
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printf("ls [path] Display remote directory listing\n");
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printf("lumask umask Set local umask to 'umask'\n");
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printf("mkdir path Create remote directory\n");
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printf("put local-path [remote-path] Upload file\n");
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printf("pwd Display remote working directory\n");
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printf("exit Quit sftp\n");
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printf("quit Quit sftp\n");
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printf("rename oldpath newpath Rename remote file\n");
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printf("rmdir path Remove remote directory\n");
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printf("rm path Delete remote file\n");
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printf("symlink oldpath newpath Symlink remote file\n");
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printf("version Show SFTP version\n");
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printf("!command Execute 'command' in local shell\n");
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printf("! Escape to local shell\n");
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printf("? Synonym for help\n");
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}
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static void
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local_do_shell(const char *args)
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{
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int status;
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char *shell;
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pid_t pid;
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if (!*args)
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args = NULL;
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if ((shell = getenv("SHELL")) == NULL)
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shell = _PATH_BSHELL;
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if ((pid = fork()) == -1)
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fatal("Couldn't fork: %s", strerror(errno));
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if (pid == 0) {
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/* XXX: child has pipe fds to ssh subproc open - issue? */
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if (args) {
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debug3("Executing %s -c \"%s\"", shell, args);
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execl(shell, shell, "-c", args, (char *)NULL);
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} else {
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debug3("Executing %s", shell);
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execl(shell, shell, (char *)NULL);
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}
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fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
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strerror(errno));
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_exit(1);
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}
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while (waitpid(pid, &status, 0) == -1)
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if (errno != EINTR)
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fatal("Couldn't wait for child: %s", strerror(errno));
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if (!WIFEXITED(status))
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error("Shell exited abormally");
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else if (WEXITSTATUS(status))
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error("Shell exited with status %d", WEXITSTATUS(status));
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}
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static void
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local_do_ls(const char *args)
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{
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if (!args || !*args)
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local_do_shell(_PATH_LS);
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else {
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int len = strlen(_PATH_LS " ") + strlen(args) + 1;
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char *buf = xmalloc(len);
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/* XXX: quoting - rip quoting code from ftp? */
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snprintf(buf, len, _PATH_LS " %s", args);
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local_do_shell(buf);
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xfree(buf);
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}
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}
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/* Strip one path (usually the pwd) from the start of another */
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static char *
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path_strip(char *path, char *strip)
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{
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size_t len;
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if (strip == NULL)
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return (xstrdup(path));
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len = strlen(strip);
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if (strip != NULL && strncmp(path, strip, len) == 0) {
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if (strip[len - 1] != '/' && path[len] == '/')
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len++;
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return (xstrdup(path + len));
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}
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return (xstrdup(path));
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}
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static char *
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path_append(char *p1, char *p2)
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{
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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 *
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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
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infer_path(const char *p, char **ifp)
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{
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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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*ifp = xstrdup(cp + 1);
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return(0);
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}
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static int
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parse_getput_flags(const char **cpp, int *pflag)
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{
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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])) {
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switch (cp[1]) {
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case 'p':
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case 'P':
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*pflag = 1;
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break;
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default:
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error("Invalid flag -%c", cp[1]);
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return(-1);
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}
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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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static int
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parse_ls_flags(const char **cpp, int *lflag)
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{
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const char *cp = *cpp;
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/* Check for flags */
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if (cp++[0] == '-') {
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for(; strchr(WHITESPACE, *cp) == NULL; cp++) {
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switch (*cp) {
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case 'l':
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*lflag = 1;
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break;
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default:
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error("Invalid flag -%c", *cp);
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return(-1);
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}
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}
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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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static int
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get_pathname(const char **cpp, char **path)
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{
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const char *cp = *cpp, *end;
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char quot;
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int i;
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cp += strspn(cp, WHITESPACE);
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if (!*cp) {
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*cpp = cp;
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*path = NULL;
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return (0);
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}
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/* Check for quoted filenames */
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if (*cp == '\"' || *cp == '\'') {
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quot = *cp++;
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end = strchr(cp, quot);
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if (end == NULL) {
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error("Unterminated quote");
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goto fail;
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}
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if (cp == end) {
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error("Empty quotes");
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goto fail;
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}
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*cpp = end + 1 + strspn(end + 1, WHITESPACE);
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} else {
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/* Read to end of filename */
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end = strpbrk(cp, WHITESPACE);
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if (end == NULL)
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end = strchr(cp, '\0');
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*cpp = end + strspn(end, WHITESPACE);
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}
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i = end - cp;
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*path = xmalloc(i + 1);
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memcpy(*path, cp, i);
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(*path)[i] = '\0';
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return(0);
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fail:
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*path = NULL;
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return (-1);
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}
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static int
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is_dir(char *path)
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{
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struct stat sb;
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/* XXX: report errors? */
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if (stat(path, &sb) == -1)
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return(0);
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return(sb.st_mode & S_IFDIR);
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}
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static int
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remote_is_dir(struct sftp_conn *conn, char *path)
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{
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Attrib *a;
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/* XXX: report errors? */
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if ((a = do_stat(conn, path, 1)) == NULL)
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return(0);
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if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
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return(0);
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return(a->perm & S_IFDIR);
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}
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|
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static int
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process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
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{
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char *abs_src = NULL;
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char *abs_dst = NULL;
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char *tmp;
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glob_t g;
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int err = 0;
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int i;
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abs_src = xstrdup(src);
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abs_src = make_absolute(abs_src, pwd);
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|
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memset(&g, 0, sizeof(g));
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debug3("Looking up %s", abs_src);
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if (remote_glob(conn, abs_src, 0, NULL, &g)) {
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error("File \"%s\" not found.", abs_src);
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err = -1;
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goto out;
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}
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|
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/* Only one match, dst may be file, directory or unspecified */
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if (g.gl_pathv[0] && g.gl_matchc == 1) {
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if (dst) {
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/* If directory specified, append filename */
|
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if (is_dir(dst)) {
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if (infer_path(g.gl_pathv[0], &tmp)) {
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err = 1;
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goto out;
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}
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abs_dst = path_append(dst, tmp);
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xfree(tmp);
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} else
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abs_dst = xstrdup(dst);
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} else if (infer_path(g.gl_pathv[0], &abs_dst)) {
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err = -1;
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goto out;
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}
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printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
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err = do_download(conn, g.gl_pathv[0], abs_dst, pflag);
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goto out;
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}
|
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|
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/* Multiple matches, dst may be directory or unspecified */
|
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if (dst && !is_dir(dst)) {
|
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error("Multiple files match, but \"%s\" is not a directory",
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dst);
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err = -1;
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goto out;
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}
|
|
|
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for (i = 0; g.gl_pathv[i]; i++) {
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if (infer_path(g.gl_pathv[i], &tmp)) {
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err = -1;
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goto out;
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}
|
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if (dst) {
|
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abs_dst = path_append(dst, tmp);
|
|
xfree(tmp);
|
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} else
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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:
|
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xfree(abs_src);
|
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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;
|
|
}
|
|
|
|
/* Only one match, dst may be file, directory or unspecified */
|
|
if (g.gl_pathv[0] && g.gl_matchc == 1) {
|
|
if (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 (infer_path(g.gl_pathv[0], &abs_dst)) {
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
abs_dst = make_absolute(abs_dst, pwd);
|
|
}
|
|
printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
|
|
err = do_upload(conn, g.gl_pathv[0], abs_dst, pflag);
|
|
goto out;
|
|
}
|
|
|
|
/* Multiple matches, dst may be directory or unspecified */
|
|
if (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 (infer_path(g.gl_pathv[i], &tmp)) {
|
|
err = -1;
|
|
goto out;
|
|
}
|
|
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);
|
|
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;
|
|
SFTP_DIRENT **d;
|
|
|
|
if ((n = do_readdir(conn, path, &d)) != 0)
|
|
return (n);
|
|
|
|
/* Count entries for sort */
|
|
for (n = 0; d[n] != NULL; n++)
|
|
;
|
|
|
|
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) {
|
|
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 {
|
|
/* XXX - multicolumn display would be nice here */
|
|
printf("%s\n", fname);
|
|
}
|
|
|
|
xfree(fname);
|
|
}
|
|
|
|
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;
|
|
Attrib *a;
|
|
struct stat sb;
|
|
|
|
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));
|
|
}
|
|
}
|
|
|
|
for (i = 0; g.gl_pathv[i]; i++) {
|
|
char *fname, *lname;
|
|
|
|
fname = path_strip(g.gl_pathv[i], strip_path);
|
|
|
|
if (lflag) {
|
|
/*
|
|
* 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 {
|
|
/* XXX - multicolumn display would be nice here */
|
|
printf("%s\n", fname);
|
|
}
|
|
xfree(fname);
|
|
}
|
|
|
|
if (g.gl_pathc)
|
|
globfree(&g);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
parse_args(const char **cpp, int *pflag, int *lflag,
|
|
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 */
|
|
if (!*cp)
|
|
return(-1);
|
|
|
|
/* 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:
|
|
break;
|
|
default:
|
|
fatal("Command not implemented");
|
|
}
|
|
|
|
*cpp = cp;
|
|
return(cmdnum);
|
|
}
|
|
|
|
static int
|
|
parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd)
|
|
{
|
|
char *path1, *path2, *tmp;
|
|
int pflag, lflag, 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, &n_arg,
|
|
&path1, &path2);
|
|
|
|
memset(&g, 0, sizeof(g));
|
|
|
|
/* Perform command */
|
|
switch (cmdnum) {
|
|
case -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]);
|
|
if (do_rm(conn, g.gl_pathv[i]) == -1)
|
|
err = -1;
|
|
}
|
|
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);
|
|
|
|
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]);
|
|
do_setstat(conn, g.gl_pathv[i], &a);
|
|
}
|
|
break;
|
|
case I_CHOWN:
|
|
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)))
|
|
continue;
|
|
if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
|
|
error("Can't get current ownership of "
|
|
"remote file \"%s\"", g.gl_pathv[i]);
|
|
continue;
|
|
}
|
|
printf("Changing owner on %s\n", g.gl_pathv[i]);
|
|
aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
|
|
aa->uid = n_arg;
|
|
do_setstat(conn, g.gl_pathv[i], aa);
|
|
}
|
|
break;
|
|
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)))
|
|
continue;
|
|
if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
|
|
error("Can't get current ownership of "
|
|
"remote file \"%s\"", g.gl_pathv[i]);
|
|
continue;
|
|
}
|
|
printf("Changing group on %s\n", g.gl_pathv[i]);
|
|
aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
|
|
aa->gid = n_arg;
|
|
do_setstat(conn, g.gl_pathv[i], aa);
|
|
}
|
|
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));
|
|
else
|
|
printf("Local working directory: %s\n",
|
|
path_buf);
|
|
break;
|
|
case I_QUIT:
|
|
return(-1);
|
|
case I_HELP:
|
|
help();
|
|
break;
|
|
case I_VERSION:
|
|
printf("SFTP protocol version %u\n", sftp_proto_version(conn));
|
|
break;
|
|
default:
|
|
fatal("%d is not implemented", cmdnum);
|
|
}
|
|
|
|
if (g.gl_pathc)
|
|
globfree(&g);
|
|
if (path1)
|
|
xfree(path1);
|
|
if (path2)
|
|
xfree(path2);
|
|
|
|
/* If an error occurs in batch mode we should abort. */
|
|
if (infile != stdin && err > 0)
|
|
return -1;
|
|
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
|
|
{
|
|
char *pwd;
|
|
char *dir = NULL;
|
|
char cmd[2048];
|
|
struct sftp_conn *conn;
|
|
|
|
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);
|
|
parse_dispatch_command(conn, cmd, &pwd);
|
|
} else {
|
|
if (file2 == NULL)
|
|
snprintf(cmd, sizeof cmd, "get %s", dir);
|
|
else
|
|
snprintf(cmd, sizeof cmd, "get %s %s", dir,
|
|
file2);
|
|
|
|
parse_dispatch_command(conn, cmd, &pwd);
|
|
xfree(dir);
|
|
return;
|
|
}
|
|
xfree(dir);
|
|
}
|
|
#if HAVE_SETVBUF
|
|
setvbuf(stdout, NULL, _IOLBF, 0);
|
|
setvbuf(infile, NULL, _IOLBF, 0);
|
|
#else
|
|
setlinebuf(stdout);
|
|
setlinebuf(infile);
|
|
#endif
|
|
|
|
for (;;) {
|
|
char *cp;
|
|
|
|
printf("sftp> ");
|
|
|
|
/* XXX: use libedit */
|
|
if (fgets(cmd, sizeof(cmd), infile) == NULL) {
|
|
printf("\n");
|
|
break;
|
|
} else if (infile != stdin) /* Bluff typing */
|
|
printf("%s", cmd);
|
|
|
|
cp = strrchr(cmd, '\n');
|
|
if (cp)
|
|
*cp = '\0';
|
|
|
|
if (parse_dispatch_command(conn, cmd, &pwd))
|
|
break;
|
|
}
|
|
xfree(pwd);
|
|
}
|