- deraadt@cvs.openbsd.org 2001/03/06 06:11:44

[sftp-int.c sftp.1 sftp.c]
     sftp -b batchfile; mouring@etoh.eviladmin.org

ChangeLog

@@ -3,6 +3,9 @@
    - deraadt@cvs.openbsd.org 2001/03/06 06:11:18
      [ssh-keyscan.c]
      appease gcc
+   - deraadt@cvs.openbsd.org 2001/03/06 06:11:44
+     [sftp-int.c sftp.1 sftp.c]
+     sftp -b batchfile; mouring@etoh.eviladmin.org
 
 20010306
  - (bal) OpenBSD CVS Sync
@@ -4417,4 +4420,4 @@
  - Wrote replacements for strlcpy and mkdtemp
  - Released 1.0pre1
 
-$Id: ChangeLog,v 1.919 2001/03/07 01:23:30 mouring Exp $
+$Id: ChangeLog,v 1.920 2001/03/07 01:26:48 mouring Exp $

sftp-int.c

@@ -28,7 +28,7 @@
 /* XXX: recursive operations */
 
 #include "includes.h"
-RCSID("$OpenBSD: sftp-int.c,v 1.24 2001/03/04 17:42:28 millert Exp $");
+RCSID("$OpenBSD: sftp-int.c,v 1.25 2001/03/06 06:11:44 deraadt Exp $");
 
 #include "buffer.h"
 #include "xmalloc.h"
@@ -40,6 +40,8 @@ RCSID("$OpenBSD: sftp-int.c,v 1.24 2001/03/04 17:42:28 millert Exp $");
 #include "sftp-client.h"
 #include "sftp-int.h"
 
+extern FILE* infile;
+
 /* Seperators for interactive commands */
 #define WHITESPACE " \t\r\n"
 
@@ -444,6 +446,7 @@ parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
 	unsigned long n_arg;
 	Attrib a, *aa;
 	char path_buf[MAXPATHLEN];
+	int err = 0;
 
 	path1 = path2 = NULL;
 	cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
@@ -454,49 +457,54 @@ parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
 		break;
 	case I_GET:
 		path1 = make_absolute(path1, *pwd);
-		do_download(in, out, path1, path2, pflag);
+		err = do_download(in, out, path1, path2, pflag);
 		break;
 	case I_PUT:
 		path2 = make_absolute(path2, *pwd);
-		do_upload(in, out, path1, path2, pflag);
+		err = do_upload(in, out, path1, path2, pflag);
 		break;
 	case I_RENAME:
 		path1 = make_absolute(path1, *pwd);
 		path2 = make_absolute(path2, *pwd);
-		do_rename(in, out, path1, path2);
+		err = do_rename(in, out, path1, path2);
 		break;
 	case I_RM:
 		path1 = make_absolute(path1, *pwd);
-		do_rm(in, out, path1);
+		err = do_rm(in, out, path1);
 		break;
 	case I_MKDIR:
 		path1 = make_absolute(path1, *pwd);
 		attrib_clear(&a);
 		a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
 		a.perm = 0777;
-		do_mkdir(in, out, path1, &a);
+		err = do_mkdir(in, out, path1, &a);
 		break;
 	case I_RMDIR:
 		path1 = make_absolute(path1, *pwd);
-		do_rmdir(in, out, path1);
+		err = do_rmdir(in, out, path1);
 		break;
 	case I_CHDIR:
 		path1 = make_absolute(path1, *pwd);
-		if ((tmp = do_realpath(in, out, path1)) == NULL)
+		if ((tmp = do_realpath(in, out, path1)) == NULL) {
+			err = 1;
 			break;
+		}
 		if ((aa = do_stat(in, out, tmp)) == 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);
@@ -522,14 +530,18 @@ parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
 		do_ls(in, out, path1);
 		break;
 	case I_LCHDIR:
-		if (chdir(path1) == -1)
+		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)
+		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);
@@ -598,6 +610,11 @@ parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
 		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);
 }
 
@@ -612,7 +629,7 @@ interactive_loop(int fd_in, int fd_out)
 		fatal("Need cwd");
 
 	setvbuf(stdout, NULL, _IOLBF, 0);
-	setvbuf(stdin, NULL, _IOLBF, 0);
+	setvbuf(infile, NULL, _IOLBF, 0);
 
 	for(;;) {
 		char *cp;
@@ -620,13 +637,16 @@ interactive_loop(int fd_in, int fd_out)
 		printf("sftp> ");
 
 		/* XXX: use libedit */
-		if (fgets(cmd, sizeof(cmd), stdin) == NULL) {
+		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(fd_in, fd_out, cmd, &pwd))
 			break;
 	}

sftp.1

@@ -1,4 +1,4 @@
-.\" $OpenBSD: sftp.1,v 1.9 2001/03/02 18:54:31 deraadt Exp $
+.\" $OpenBSD: sftp.1,v 1.10 2001/03/06 06:11:44 deraadt Exp $
 .\"
 .\" Copyright (c) 2001 Damien Miller.  All rights reserved.
 .\"
@@ -31,6 +31,7 @@
 .Sh SYNOPSIS
 .Nm sftp
 .Op Fl vC
+.Op Fl b Ar batchfile
 .Op Fl o Ar ssh_option
 .Op Ar hostname | user@hostname
 .Sh DESCRIPTION
@@ -55,6 +56,17 @@ Raise logging level. This option is also passed to ssh.
 Enables compression (via ssh's 
 .Fl C
 flag)
+.It Fl b Ar batchfile
+Batch mode reads a series of commands from an input
+.Fn batchfile
+instead of
+.Fn stdin .
+Since it lacks user interaction it should be used in conjuction with a 
+non-interactive authentication.  Sftp will abort if any of the following 
+commands fail: 
+.Pa get, put, rename, rm, mkdir, chdir, lchdir
+and
+.Pa lmkdir.
 .It Fl o Ar ssh_option
 Specify an option to be directly passed to
 .Xr ssh 1 .

sftp.c

@@ -24,7 +24,7 @@
 
 #include "includes.h"
 
-RCSID("$OpenBSD: sftp.c,v 1.9 2001/03/03 23:52:22 markus Exp $");
+RCSID("$OpenBSD: sftp.c,v 1.10 2001/03/06 06:11:44 deraadt Exp $");
 
 /* XXX: commandline mode */
 /* XXX: copy between two remote hosts (commandline) */
@@ -49,6 +49,7 @@ char *__progname;
 int use_ssh1 = 0;
 char *ssh_program = _PATH_SSH_PROGRAM;
 char *sftp_server = NULL;
+FILE* infile;
 
 void
 connect_to_server(char **args, int *in, int *out, pid_t *sshpid)
@@ -146,7 +147,7 @@ make_ssh_args(char *add_arg)
 void
 usage(void)
 {
-	fprintf(stderr, "usage: sftp [-1vC] [-osshopt=value] [user@]host\n");
+	fprintf(stderr, "usage: sftp [-1vC] [-b batchfile] [-osshopt=value] [user@]host\n");
 	exit(1);
 }
 
@@ -161,9 +162,10 @@ main(int argc, char **argv)
 	extern char *optarg;
 
 	__progname = get_progname(argv[0]);
+	infile = stdin;         /* Read from STDIN unless changed by -b */
 	debug_level = compress_flag = 0;
 
-	while ((ch = getopt(argc, argv, "1hvCo:s:S:")) != -1) {
+	while ((ch = getopt(argc, argv, "1hvCo:s:S:b:")) != -1) {
 		switch (ch) {
 		case 'C':
 			compress_flag = 1;
@@ -186,6 +188,14 @@ main(int argc, char **argv)
 		case 'S':
 			ssh_program = optarg;
 			break;
+		case 'b':
+			if (infile == stdin) {
+				infile = fopen(optarg, "r");
+				if (infile == NULL) 
+					fatal("%s (%s).", strerror(errno), optarg);
+			} else 
+				fatal("Filename already specified.");
+			break;
 		case 'h':
 		default:
 			usage();
@@ -257,6 +267,8 @@ main(int argc, char **argv)
 
 	close(in);
 	close(out);
+	if (infile != stdin)
+		fclose(infile);
 
 	if (waitpid(sshpid, NULL, 0) == -1)
 		fatal("Couldn't wait for ssh process: %s", strerror(errno));