+/* $OpenBSD: sftp.c,v 1.96 2007/01/03 04:09:15 stevesk Exp $ */
/*
- * 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
- * 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.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
-RCSID("$OpenBSD: sftp.c,v 1.26 2002/02/12 12:32:27 djm Exp $");
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
-/* XXX: short-form remote directory listings (like 'ls -C') */
+#include <errno.h>
+
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+#ifdef USE_LIBEDIT
+#include <histedit.h>
+#else
+typedef void EditLine;
+#endif
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
-#include "buffer.h"
#include "xmalloc.h"
#include "log.h"
#include "pathnames.h"
#include "misc.h"
#include "sftp.h"
+#include "buffer.h"
#include "sftp-common.h"
#include "sftp-client.h"
-#include "sftp-int.h"
-#ifdef HAVE___PROGNAME
+/* File to read commands from */
+FILE* infile;
+
+/* Are we in batchfile mode? */
+int batchmode = 0;
+
+/* Size of buffer used when copying files */
+size_t copy_buffer_len = 32768;
+
+/* Number of concurrent outstanding requests */
+size_t num_requests = 16;
+
+/* PID of ssh transport process */
+static pid_t sshpid = -1;
+
+/* This is set to 0 if the progressmeter is not desired. */
+int showprogress = 1;
+
+/* SIGINT received during command processing */
+volatile sig_atomic_t interrupted = 0;
+
+/* I wish qsort() took a separate ctx for the comparison function...*/
+int sort_flag;
+
+int remote_glob(struct sftp_conn *, const char *, int,
+ int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
+
extern char *__progname;
+
+/* Separators for interactive commands */
+#define WHITESPACE " \t\r\n"
+
+/* ls flags */
+#define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
+#define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
+#define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
+#define LS_NAME_SORT 0x08 /* Sort by name (default) */
+#define LS_TIME_SORT 0x10 /* Sort by mtime */
+#define LS_SIZE_SORT 0x20 /* Sort by file size */
+#define LS_REVERSE_SORT 0x40 /* Reverse sort order */
+#define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
+
+#define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
+#define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
+
+/* 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);
+
+/* ARGSUSED */
+static void
+killchild(int signo)
+{
+ if (sshpid > 1) {
+ kill(sshpid, SIGTERM);
+ waitpid(sshpid, NULL, 0);
+ }
+
+ _exit(1);
+}
+
+/* ARGSUSED */
+static void
+cmd_interrupt(int signo)
+{
+ const char msg[] = "\rInterrupt \n";
+ int olderrno = errno;
+
+ write(STDERR_FILENO, msg, sizeof(msg) - 1);
+ interrupted = 1;
+ errno = olderrno;
+}
+
+static void
+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 abnormally");
+ 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);
+ }
+}
+
+/* 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)
+ return (xstrdup(path));
+
+ len = strlen(strip);
+ if (strncmp(path, strip, len) == 0) {
+ if (strip[len - 1] != '/' && path[len] == '/')
+ len++;
+ return (xstrdup(path + len));
+ }
+
+ return (xstrdup(path));
+}
+
+static char *
+path_append(char *p1, char *p2)
+{
+ char *ret;
+ size_t len = strlen(p1) + strlen(p2) + 2;
+
+ ret = xmalloc(len);
+ strlcpy(ret, p1, len);
+ if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/')
+ strlcat(ret, "/", len);
+ strlcat(ret, p2, len);
+
+ return(ret);
+}
+
+static char *
+make_absolute(char *p, char *pwd)
+{
+ char *abs_str;
+
+ /* Derelativise */
+ if (p && p[0] != '/') {
+ abs_str = path_append(pwd, p);
+ xfree(p);
+ return(abs_str);
+ } else
+ return(p);
+}
+
+static int
+infer_path(const char *p, char **ifp)
+{
+ char *cp;
+
+ cp = strrchr(p, '/');
+ if (cp == NULL) {
+ *ifp = xstrdup(p);
+ return(0);
+ }
+
+ if (!cp[1]) {
+ error("Invalid path");
+ return(-1);
+ }
+
+ *ifp = xstrdup(cp + 1);
+ return(0);
+}
+
+static int
+parse_getput_flags(const char **cpp, int *pflag)
+{
+ const char *cp = *cpp;
+
+ /* Check for flags */
+ if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
+ switch (cp[1]) {
+ case 'p':
+ case 'P':
+ *pflag = 1;
+ break;
+ default:
+ error("Invalid flag -%c", cp[1]);
+ return(-1);
+ }
+ cp += 2;
+ *cpp = cp + strspn(cp, WHITESPACE);
+ }
+
+ return(0);
+}
+
+static int
+parse_ls_flags(const char **cpp, int *lflag)
+{
+ const char *cp = *cpp;
+
+ /* Defaults */
+ *lflag = LS_NAME_SORT;
+
+ /* Check for flags */
+ if (cp++[0] == '-') {
+ for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
+ switch (*cp) {
+ case 'l':
+ *lflag &= ~VIEW_FLAGS;
+ *lflag |= LS_LONG_VIEW;
+ break;
+ case '1':
+ *lflag &= ~VIEW_FLAGS;
+ *lflag |= LS_SHORT_VIEW;
+ break;
+ case 'n':
+ *lflag &= ~VIEW_FLAGS;
+ *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
+ break;
+ case 'S':
+ *lflag &= ~SORT_FLAGS;
+ *lflag |= LS_SIZE_SORT;
+ break;
+ case 't':
+ *lflag &= ~SORT_FLAGS;
+ *lflag |= LS_TIME_SORT;
+ break;
+ case 'r':
+ *lflag |= LS_REVERSE_SORT;
+ break;
+ case 'f':
+ *lflag &= ~SORT_FLAGS;
+ break;
+ case 'a':
+ *lflag |= LS_SHOW_ALL;
+ break;
+ default:
+ error("Invalid flag -%c", *cp);
+ return(-1);
+ }
+ }
+ *cpp = cp + strspn(cp, WHITESPACE);
+ }
+
+ return(0);
+}
+
+static int
+get_pathname(const char **cpp, char **path)
+{
+ const char *cp = *cpp, *end;
+ char quot;
+ u_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(S_ISDIR(sb.st_mode));
+}
+
+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(S_ISDIR(a->perm));
+}
+
+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] && !interrupted; i++) {
+ if (infer_path(g.gl_pathv[i], &tmp)) {
+ err = -1;
+ goto out;
+ }
+
+ if (g.gl_matchc == 1 && dst) {
+ /* If directory specified, append filename */
+ xfree(tmp);
+ 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);
+ 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] && !interrupted; 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;
+ int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
+
+#define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
+ if (sort_flag & LS_NAME_SORT)
+ return (rmul * strcmp(a->filename, b->filename));
+ else if (sort_flag & LS_TIME_SORT)
+ return (rmul * NCMP(a->a.mtime, b->a.mtime));
+ else if (sort_flag & LS_SIZE_SORT)
+ return (rmul * NCMP(a->a.size, b->a.size));
+
+ fatal("Unknown ls sort type");
+}
+
+/* sftp ls.1 replacement for directories */
+static int
+do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
+{
+ int n;
+ u_int c = 1, colspace = 0, columns = 1;
+ SFTP_DIRENT **d;
+
+ if ((n = do_readdir(conn, path, &d)) != 0)
+ return (n);
+
+ if (!(lflag & LS_SHORT_VIEW)) {
+ u_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++) {
+ if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
+ 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);
+ }
+
+ if (lflag & SORT_FLAGS) {
+ for (n = 0; d[n] != NULL; n++)
+ ; /* count entries */
+ sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
+ qsort(d, n, sizeof(*d), sdirent_comp);
+ }
+
+ for (n = 0; d[n] != NULL && !interrupted; n++) {
+ char *tmp, *fname;
+
+ if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
+ continue;
+
+ tmp = path_append(path, d[n]->filename);
+ fname = path_strip(tmp, strip_path);
+ xfree(tmp);
+
+ if (lflag & LS_LONG_VIEW) {
+ if (lflag & LS_NUMERIC_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\n", d[n]->longname);
+ } else {
+ printf("%-*s", colspace, fname);
+ if (c >= columns) {
+ printf("\n");
+ c = 1;
+ } else
+ c++;
+ }
+
+ xfree(fname);
+ }
+
+ if (!(lflag & LS_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;
+ u_int i, c = 1, colspace = 0, columns = 1;
+ Attrib *a = NULL;
+
+ memset(&g, 0, sizeof(g));
+
+ if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
+ NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
+ if (g.gl_pathc)
+ globfree(&g);
+ error("Can't ls: \"%s\" not found", path);
+ return (-1);
+ }
+
+ if (interrupted)
+ goto out;
+
+ /*
+ * If the glob returns a single match and it is a directory,
+ * then just list its contents.
+ */
+ if (g.gl_matchc == 1) {
+ if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
+ globfree(&g);
+ return (-1);
+ }
+ if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
+ S_ISDIR(a->perm)) {
+ int err;
+
+ err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
+ globfree(&g);
+ return (err);
+ }
+ }
+
+ if (!(lflag & LS_SHORT_VIEW)) {
+ u_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] && !interrupted; i++, a = NULL) {
+ char *fname;
+
+ fname = path_strip(g.gl_pathv[i], strip_path);
+
+ if (lflag & LS_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));
+ if (a == NULL)
+ 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 & LS_LONG_VIEW) && (c != 1))
+ printf("\n");
+
+ out:
+ 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) */
+ errno = 0;
+ 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] && !interrupted; 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] && !interrupted; 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] && !interrupted; 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);
+}
+
+#ifdef USE_LIBEDIT
+static char *
+prompt(EditLine *el)
+{
+ return ("sftp> ");
+}
+#endif
+
+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, interactive;
+ EditLine *el = NULL;
+#ifdef USE_LIBEDIT
+ History *hl = NULL;
+ HistEvent hev;
+ extern char *__progname;
+
+ if (!batchmode && isatty(STDIN_FILENO)) {
+ if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
+ fatal("Couldn't initialise editline");
+ if ((hl = history_init()) == NULL)
+ fatal("Couldn't initialise editline history");
+ history(hl, &hev, H_SETSIZE, 100);
+ el_set(el, EL_HIST, history, hl);
+
+ el_set(el, EL_PROMPT, prompt);
+ el_set(el, EL_EDITOR, "emacs");
+ el_set(el, EL_TERMINAL, NULL);
+ el_set(el, EL_SIGNAL, 1);
+ el_source(el, NULL);
+ }
+#endif /* USE_LIBEDIT */
+
+ 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) {
+ xfree(dir);
+ xfree(pwd);
+ xfree(conn);
+ 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);
+ xfree(conn);
+ return (err);
+ }
+ xfree(dir);
+ }
+
+#if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF)
+ setvbuf(stdout, NULL, _IOLBF, 0);
+ setvbuf(infile, NULL, _IOLBF, 0);
#else
-char *__progname;
+ setlinebuf(stdout);
+ setlinebuf(infile);
#endif
-FILE* infile;
-size_t copy_buffer_len = 32768;
-size_t num_requests = 16;
+ interactive = !batchmode && isatty(STDIN_FILENO);
+ err = 0;
+ for (;;) {
+ char *cp;
+
+ signal(SIGINT, SIG_IGN);
+
+ if (el == NULL) {
+ if (interactive)
+ printf("sftp> ");
+ if (fgets(cmd, sizeof(cmd), infile) == NULL) {
+ if (interactive)
+ printf("\n");
+ break;
+ }
+ if (!interactive) { /* Echo command */
+ printf("sftp> %s", cmd);
+ if (strlen(cmd) > 0 &&
+ cmd[strlen(cmd) - 1] != '\n')
+ printf("\n");
+ }
+ } else {
+#ifdef USE_LIBEDIT
+ const char *line;
+ int count = 0;
+
+ if ((line = el_gets(el, &count)) == NULL || count <= 0) {
+ printf("\n");
+ break;
+ }
+ history(hl, &hev, H_ENTER, line);
+ if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
+ fprintf(stderr, "Error: input line too long\n");
+ continue;
+ }
+#endif /* USE_LIBEDIT */
+ }
+
+ cp = strrchr(cmd, '\n');
+ if (cp)
+ *cp = '\0';
+
+ /* Handle user interrupts gracefully during commands */
+ interrupted = 0;
+ signal(SIGINT, cmd_interrupt);
+
+ err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
+ if (err != 0)
+ break;
+ }
+ xfree(pwd);
+ xfree(conn);
+
+#ifdef USE_LIBEDIT
+ if (el != NULL)
+ el_end(el);
+#endif /* USE_LIBEDIT */
+
+ /* err == 1 signifies normal "quit" exit */
+ return (err >= 0 ? 0 : -1);
+}
static void
-connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid)
+connect_to_server(char *path, char **args, int *in, int *out)
{
int c_in, c_out;
+
#ifdef USE_PIPES
int pin[2], pout[2];
+
if ((pipe(pin) == -1) || (pipe(pout) == -1))
fatal("pipe: %s", strerror(errno));
*in = pin[0];
c_out = pin[1];
#else /* USE_PIPES */
int inout[2];
+
if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
fatal("socketpair: %s", strerror(errno));
*in = *out = inout[0];
c_in = c_out = inout[1];
#endif /* USE_PIPES */
- if ((*sshpid = fork()) == -1)
+ if ((sshpid = fork()) == -1)
fatal("fork: %s", strerror(errno));
- else if (*sshpid == 0) {
+ else if (sshpid == 0) {
if ((dup2(c_in, STDIN_FILENO) == -1) ||
(dup2(c_out, STDOUT_FILENO) == -1)) {
fprintf(stderr, "dup2: %s\n", strerror(errno));
- exit(1);
+ _exit(1);
}
close(*in);
close(*out);
close(c_in);
close(c_out);
- execv(path, args);
+
+ /*
+ * The underlying ssh is in the same process group, so we must
+ * ignore SIGINT if we want to gracefully abort commands,
+ * otherwise the signal will make it to the ssh process and
+ * kill it too
+ */
+ signal(SIGINT, SIG_IGN);
+ execvp(path, args);
fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
- exit(1);
+ _exit(1);
}
+ signal(SIGTERM, killchild);
+ signal(SIGINT, killchild);
+ signal(SIGHUP, killchild);
close(c_in);
close(c_out);
}
usage(void)
{
extern char *__progname;
-
+
fprintf(stderr,
- "usage: %s [-vC1] [-b batchfile] [-o option] [-s subsystem|path] [-B buffer_size]\n"
- " [-F config] [-P direct server path] [-S program]\n"
- " [user@]host[:file [file]]\n", __progname);
+ "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
+ " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
+ " [-S program] [-s subsystem | sftp_server] host\n"
+ " %s [[user@]host[:file [file]]]\n"
+ " %s [[user@]host[:dir[/]]]\n"
+ " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
exit(1);
}
int
main(int argc, char **argv)
{
- int in, out, ch;
- pid_t sshpid;
- char *host, *userhost, *cp, *file2;
+ int in, out, ch, err;
+ char *host, *userhost, *cp, *file2 = NULL;
int debug_level = 0, sshver = 2;
char *file1 = NULL, *sftp_server = NULL;
char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
extern int optind;
extern char *optarg;
- __progname = get_progname(argv[0]);
+ /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
+ sanitise_stdfd();
+
+ __progname = ssh_get_progname(argv[0]);
+ memset(&args, '\0', sizeof(args));
args.list = NULL;
- addargs(&args, "ssh"); /* overwritten with ssh_program */
- addargs(&args, "-oFallBackToRsh no");
+ addargs(&args, "%s", ssh_program);
addargs(&args, "-oForwardX11 no");
addargs(&args, "-oForwardAgent no");
+ addargs(&args, "-oPermitLocalCommand no");
addargs(&args, "-oClearAllForwardings yes");
+
ll = SYSLOG_LEVEL_INFO;
- infile = stdin; /* Read from STDIN unless changed by -b */
+ infile = stdin;
while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
switch (ch) {
break;
case 'S':
ssh_program = optarg;
+ replacearg(&args, 0, "%s", ssh_program);
break;
case 'b':
- if (infile == stdin) {
- infile = fopen(optarg, "r");
- if (infile == NULL)
- fatal("%s (%s).", strerror(errno), optarg);
- } else
- fatal("Filename already specified.");
+ if (batchmode)
+ fatal("Batch file already specified.");
+
+ /* Allow "-" as stdin */
+ if (strcmp(optarg, "-") != 0 &&
+ (infile = fopen(optarg, "r")) == NULL)
+ fatal("%s (%s).", strerror(errno), optarg);
+ showprogress = 0;
+ batchmode = 1;
+ addargs(&args, "-obatchmode yes");
break;
case 'P':
sftp_direct = optarg;
case 'R':
num_requests = strtol(optarg, &cp, 10);
if (num_requests == 0 || *cp != '\0')
- fatal("Invalid number of requests \"%s\"",
+ fatal("Invalid number of requests \"%s\"",
optarg);
break;
case 'h':
}
}
+ if (!isatty(STDERR_FILENO))
+ showprogress = 0;
+
+ log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
+
if (sftp_direct == NULL) {
if (optind == argc || argc > (optind + 2))
usage();
userhost = xstrdup(argv[optind]);
file2 = argv[optind+1];
- if ((cp = colon(userhost)) != NULL) {
- *cp++ = '\0';
- file1 = cp;
- }
-
- if ((host = strchr(userhost, '@')) == NULL)
+ if ((host = strrchr(userhost, '@')) == NULL)
host = userhost;
else {
*host++ = '\0';
fprintf(stderr, "Missing username\n");
usage();
}
- addargs(&args, "-l%s",userhost);
+ addargs(&args, "-l%s", userhost);
+ }
+
+ if ((cp = colon(host)) != NULL) {
+ *cp++ = '\0';
+ file1 = cp;
}
host = cleanhostname(host);
usage();
}
- log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
addargs(&args, "-oProtocol %d", sshver);
/* no subsystem if the server-spec contains a '/' */
addargs(&args, "-s");
addargs(&args, "%s", host);
- addargs(&args, "%s", (sftp_server != NULL ?
+ addargs(&args, "%s", (sftp_server != NULL ?
sftp_server : "sftp"));
- args.list[0] = ssh_program;
- fprintf(stderr, "Connecting to %s...\n", host);
- connect_to_server(ssh_program, args.list, &in, &out,
- &sshpid);
+ if (!batchmode)
+ fprintf(stderr, "Connecting to %s...\n", host);
+ connect_to_server(ssh_program, args.list, &in, &out);
} else {
args.list = NULL;
addargs(&args, "sftp-server");
- fprintf(stderr, "Attaching to %s...\n", sftp_direct);
- connect_to_server(sftp_direct, args.list, &in, &out,
- &sshpid);
+ if (!batchmode)
+ fprintf(stderr, "Attaching to %s...\n", sftp_direct);
+ connect_to_server(sftp_direct, args.list, &in, &out);
}
+ freeargs(&args);
- interactive_loop(in, out, file1, file2);
+ err = interactive_loop(in, out, file1, file2);
#if !defined(USE_PIPES)
- shutdown(in, SHUT_RDWR);
- shutdown(out, SHUT_RDWR);
+ shutdown(in, SHUT_RDWR);
+ shutdown(out, SHUT_RDWR);
#endif
close(in);
close(out);
- if (infile != stdin)
+ if (batchmode)
fclose(infile);
- if (waitpid(sshpid, NULL, 0) == -1)
- fatal("Couldn't wait for ssh process: %s", strerror(errno));
+ while (waitpid(sshpid, NULL, 0) == -1)
+ if (errno != EINTR)
+ fatal("Couldn't wait for ssh process: %s",
+ strerror(errno));
- exit(0);
+ exit(err == 0 ? 0 : 1);
}
andersk / gssapi-openssh.git / blobdiff