diff options
Diffstat (limited to 'usr/src/cmd/ssh/sftp')
| -rw-r--r-- | usr/src/cmd/ssh/sftp/Makefile | 68 | ||||
| -rw-r--r-- | usr/src/cmd/ssh/sftp/sftp-client.c | 1184 | ||||
| -rw-r--r-- | usr/src/cmd/ssh/sftp/sftp-glob.c | 153 | ||||
| -rw-r--r-- | usr/src/cmd/ssh/sftp/sftp.c | 1690 |
4 files changed, 0 insertions, 3095 deletions
diff --git a/usr/src/cmd/ssh/sftp/Makefile b/usr/src/cmd/ssh/sftp/Makefile deleted file mode 100644 index 1348152977..0000000000 --- a/usr/src/cmd/ssh/sftp/Makefile +++ /dev/null @@ -1,68 +0,0 @@ -# -# CDDL HEADER START -# -# The contents of this file are subject to the terms of the -# Common Development and Distribution License (the "License"). -# You may not use this file except in compliance with the License. -# -# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE -# or http://www.opensolaris.org/os/licensing. -# See the License for the specific language governing permissions -# and limitations under the License. -# -# When distributing Covered Code, include this CDDL HEADER in each -# file and include the License file at usr/src/OPENSOLARIS.LICENSE. -# If applicable, add the following below this CDDL HEADER, with the -# fields enclosed by brackets "[]" replaced with your own identifying -# information: Portions Copyright [yyyy] [name of copyright owner] -# -# CDDL HEADER END -# -# Copyright 2009 Sun Microsystems, Inc. All rights reserved. -# Use is subject to license terms. -# -# cmd/ssh/sftp/Makefile - -PROG = sftp - -OBJS = \ - sftp.o \ - sftp-client.o \ - sftp-glob.o - -SRCS = $(OBJS:.o=.c) - -include ../../Makefile.cmd -include ../Makefile.ssh-common - -DIRS= $(ROOTLIBSUNSSH) - -LDLIBS += $(SSH_COMMON_LDLIBS) -lsocket -lcrypto -ltecla - -POFILE_DIR = .. - -.KEEP_STATE: - -.PARALLEL: $(OBJS) - -all: $(PROG) - -$(PROG): $(OBJS) ../libssh/$(MACH)/libssh.a ../libopenbsd-compat/$(MACH)/libopenbsd-compat.a - $(LINK.c) $(OBJS) -o $@ $(LDLIBS) $(DYNFLAGS) - $(POST_PROCESS) - -$(DIRS): - $(INS.dir) - -$(ROOTBIN)/sftp: $(ROOTLIBSUNSSH)/sftp - -$(RM) $@; $(SYMLINK) ../lib/sunssh/sftp $@ - -install: all $(DIRS) $(ROOTPROG) - -clean: - $(RM) -f $(OBJS) $(PROG) - -lint: lint_SRCS - -include ../Makefile.msg.targ -include ../../Makefile.targ diff --git a/usr/src/cmd/ssh/sftp/sftp-client.c b/usr/src/cmd/ssh/sftp/sftp-client.c deleted file mode 100644 index f194ccaf2b..0000000000 --- a/usr/src/cmd/ssh/sftp/sftp-client.c +++ /dev/null @@ -1,1184 +0,0 @@ -/* - * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> - * - * 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. - * - * 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. - */ - -/* $OpenBSD: sftp-client.c,v 1.76 2007/01/22 11:32:50 djm Exp $ */ - -/* XXX: memleaks */ -/* XXX: signed vs unsigned */ -/* XXX: remove all logging, only return status codes */ -/* XXX: copy between two remote sites */ - -#include "includes.h" - -#include <sys/types.h> -#include <sys/param.h> -#include "sys-queue.h" -#ifdef HAVE_SYS_STAT_H -# include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TIME_H -# include <sys/time.h> -#endif -#include <sys/uio.h> - -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "xmalloc.h" -#include "buffer.h" -#include "bufaux.h" -#include "log.h" -#include "atomicio.h" -#include "progressmeter.h" -#include "misc.h" - -#include "sftp.h" -#include "sftp-common.h" -#include "sftp-client.h" - -extern volatile sig_atomic_t interrupted; -extern int showprogress; - -/* Minimum amount of data to read at a time */ -#define MIN_READ_SIZE 512 - -struct sftp_conn { - int fd_in; - int fd_out; - u_int transfer_buflen; - u_int num_requests; - u_int version; - u_int msg_id; -}; - -static void -send_msg(int fd, Buffer *m) -{ - char mlen[4]; - struct iovec iov[2]; - - if (buffer_len(m) > SFTP_MAX_MSG_LENGTH) - fatal("Outbound message too long %u", buffer_len(m)); - - /* Send length first */ - put_u32(mlen, buffer_len(m)); - iov[0].iov_base = mlen; - iov[0].iov_len = sizeof(mlen); - iov[1].iov_base = buffer_ptr(m); - iov[1].iov_len = buffer_len(m); - - if (atomiciov(writev, fd, iov, 2) != buffer_len(m) + sizeof(mlen)) - fatal("Couldn't send packet: %s", strerror(errno)); - - buffer_clear(m); -} - -static void -get_msg(int fd, Buffer *m) -{ - u_int msg_len; - - buffer_append_space(m, 4); - if (atomicio(read, fd, buffer_ptr(m), 4) != 4) { - if (errno == EPIPE) - fatal("Connection closed"); - else - fatal("Couldn't read packet: %s", strerror(errno)); - } - - msg_len = buffer_get_int(m); - if (msg_len > SFTP_MAX_MSG_LENGTH) - fatal("Received message too long %u", msg_len); - - buffer_append_space(m, msg_len); - if (atomicio(read, fd, buffer_ptr(m), msg_len) != msg_len) { - if (errno == EPIPE) - fatal("Connection closed"); - else - fatal("Read packet: %s", strerror(errno)); - } -} - -static void -send_string_request(int fd, u_int id, u_int code, char *s, - u_int len) -{ - Buffer msg; - - buffer_init(&msg); - buffer_put_char(&msg, code); - buffer_put_int(&msg, id); - buffer_put_string(&msg, s, len); - send_msg(fd, &msg); - debug3("Sent message fd %d T:%u I:%u", fd, code, id); - buffer_free(&msg); -} - -static void -send_string_attrs_request(int fd, u_int id, u_int code, char *s, - u_int len, Attrib *a) -{ - Buffer msg; - - buffer_init(&msg); - buffer_put_char(&msg, code); - buffer_put_int(&msg, id); - buffer_put_string(&msg, s, len); - encode_attrib(&msg, a); - send_msg(fd, &msg); - debug3("Sent message fd %d T:%u I:%u", fd, code, id); - buffer_free(&msg); -} - -static u_int -get_status(int fd, u_int expected_id) -{ - Buffer msg; - u_int type, id, status; - - buffer_init(&msg); - get_msg(fd, &msg); - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - if (type != SSH2_FXP_STATUS) - fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u", - SSH2_FXP_STATUS, type); - - status = buffer_get_int(&msg); - buffer_free(&msg); - - debug3("SSH2_FXP_STATUS %u", status); - - return(status); -} - -static char * -get_handle(int fd, u_int expected_id, u_int *len) -{ - Buffer msg; - u_int type, id; - char *handle; - - buffer_init(&msg); - get_msg(fd, &msg); - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - if (type == SSH2_FXP_STATUS) { - int status = buffer_get_int(&msg); - - error("Couldn't get handle: %s", fx2txt(status)); - buffer_free(&msg); - return(NULL); - } else if (type != SSH2_FXP_HANDLE) - fatal("Expected SSH2_FXP_HANDLE(%u) packet, got %u", - SSH2_FXP_HANDLE, type); - - handle = buffer_get_string(&msg, len); - buffer_free(&msg); - - return(handle); -} - -static Attrib * -get_decode_stat(int fd, u_int expected_id, int quiet) -{ - Buffer msg; - u_int type, id; - Attrib *a; - - buffer_init(&msg); - get_msg(fd, &msg); - - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - debug3("Received stat reply T:%u I:%u", type, id); - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - if (type == SSH2_FXP_STATUS) { - int status = buffer_get_int(&msg); - - if (quiet) - debug("Couldn't stat remote file: %s", fx2txt(status)); - else - error("Couldn't stat remote file: %s", fx2txt(status)); - buffer_free(&msg); - return(NULL); - } else if (type != SSH2_FXP_ATTRS) { - fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u", - SSH2_FXP_ATTRS, type); - } - a = decode_attrib(&msg); - buffer_free(&msg); - - return(a); -} - -struct sftp_conn * -do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) -{ - u_int type; - int version; - Buffer msg; - struct sftp_conn *ret; - - buffer_init(&msg); - buffer_put_char(&msg, SSH2_FXP_INIT); - buffer_put_int(&msg, SSH2_FILEXFER_VERSION); - send_msg(fd_out, &msg); - - buffer_clear(&msg); - - get_msg(fd_in, &msg); - - /* Expecting a VERSION reply */ - if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { - error("Invalid packet back from SSH2_FXP_INIT (type %u)", - type); - buffer_free(&msg); - return(NULL); - } - version = buffer_get_int(&msg); - - debug2("Remote version: %d", version); - - /* Check for extensions */ - while (buffer_len(&msg) > 0) { - char *name = buffer_get_string(&msg, NULL); - char *value = buffer_get_string(&msg, NULL); - - debug2("Init extension: \"%s\"", name); - xfree(name); - xfree(value); - } - - buffer_free(&msg); - - ret = xmalloc(sizeof(*ret)); - ret->fd_in = fd_in; - ret->fd_out = fd_out; - ret->transfer_buflen = transfer_buflen; - ret->num_requests = num_requests; - ret->version = version; - ret->msg_id = 1; - - /* Some filexfer v.0 servers don't support large packets */ - if (version == 0) - ret->transfer_buflen = MIN(ret->transfer_buflen, 20480); - - return(ret); -} - -u_int -sftp_proto_version(struct sftp_conn *conn) -{ - return(conn->version); -} - -int -do_close(struct sftp_conn *conn, char *handle, u_int handle_len) -{ - u_int id, status; - Buffer msg; - - buffer_init(&msg); - - id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_CLOSE); - buffer_put_int(&msg, id); - buffer_put_string(&msg, handle, handle_len); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_CLOSE I:%u", id); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't close file: %s", fx2txt(status)); - - buffer_free(&msg); - - return(status); -} - - -static int -do_lsreaddir(struct sftp_conn *conn, char *path, int printflag, - SFTP_DIRENT ***dir) -{ - Buffer msg; - u_int count, type, id, handle_len, i, expected_id, ents = 0; - char *handle; - - id = conn->msg_id++; - - buffer_init(&msg); - buffer_put_char(&msg, SSH2_FXP_OPENDIR); - buffer_put_int(&msg, id); - buffer_put_cstring(&msg, path); - send_msg(conn->fd_out, &msg); - - buffer_clear(&msg); - - handle = get_handle(conn->fd_in, id, &handle_len); - if (handle == NULL) - return(-1); - - if (dir) { - ents = 0; - *dir = xmalloc(sizeof(**dir)); - (*dir)[0] = NULL; - } - - for (; !interrupted;) { - id = expected_id = conn->msg_id++; - - debug3("Sending SSH2_FXP_READDIR I:%u", id); - - buffer_clear(&msg); - buffer_put_char(&msg, SSH2_FXP_READDIR); - buffer_put_int(&msg, id); - buffer_put_string(&msg, handle, handle_len); - send_msg(conn->fd_out, &msg); - - buffer_clear(&msg); - - get_msg(conn->fd_in, &msg); - - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - debug3("Received reply T:%u I:%u", type, id); - - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - - if (type == SSH2_FXP_STATUS) { - int status = buffer_get_int(&msg); - - debug3("Received SSH2_FXP_STATUS %d", status); - - if (status == SSH2_FX_EOF) { - break; - } else { - error("Couldn't read directory: %s", - fx2txt(status)); - do_close(conn, handle, handle_len); - xfree(handle); - return(status); - } - } else if (type != SSH2_FXP_NAME) - fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", - SSH2_FXP_NAME, type); - - count = buffer_get_int(&msg); - if (count == 0) - break; - debug3("Received %d SSH2_FXP_NAME responses", count); - for (i = 0; i < count; i++) { - char *filename, *longname; - Attrib *a; - - filename = buffer_get_string(&msg, NULL); - longname = buffer_get_string(&msg, NULL); - a = decode_attrib(&msg); - - if (printflag) - printf("%s\n", longname); - - if (dir) { - *dir = xrealloc(*dir, (ents + 2) * sizeof(**dir)); - (*dir)[ents] = xmalloc(sizeof(***dir)); - (*dir)[ents]->filename = xstrdup(filename); - (*dir)[ents]->longname = xstrdup(longname); - memcpy(&(*dir)[ents]->a, a, sizeof(*a)); - (*dir)[++ents] = NULL; - } - - xfree(filename); - xfree(longname); - } - } - - buffer_free(&msg); - do_close(conn, handle, handle_len); - xfree(handle); - - /* Don't return partial matches on interrupt */ - if (interrupted && dir != NULL && *dir != NULL) { - free_sftp_dirents(*dir); - *dir = xmalloc(sizeof(**dir)); - **dir = NULL; - } - - return(0); -} - -int -do_readdir(struct sftp_conn *conn, char *path, SFTP_DIRENT ***dir) -{ - return(do_lsreaddir(conn, path, 0, dir)); -} - -void free_sftp_dirents(SFTP_DIRENT **s) -{ - int i; - - for (i = 0; s[i]; i++) { - xfree(s[i]->filename); - xfree(s[i]->longname); - xfree(s[i]); - } - xfree(s); -} - -int -do_rm(struct sftp_conn *conn, char *path) -{ - u_int status, id; - - debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); - - id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_REMOVE, path, - strlen(path)); - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't delete file: %s", fx2txt(status)); - return(status); -} - -int -do_mkdir(struct sftp_conn *conn, char *path, Attrib *a) -{ - u_int status, id; - - id = conn->msg_id++; - send_string_attrs_request(conn->fd_out, id, SSH2_FXP_MKDIR, path, - strlen(path), a); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't create directory: %s", fx2txt(status)); - - return(status); -} - -int -do_rmdir(struct sftp_conn *conn, char *path) -{ - u_int status, id; - - id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_RMDIR, path, - strlen(path)); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't remove directory: %s", fx2txt(status)); - - return(status); -} - -Attrib * -do_stat(struct sftp_conn *conn, char *path, int quiet) -{ - u_int id; - - id = conn->msg_id++; - - send_string_request(conn->fd_out, id, - conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT, - path, strlen(path)); - - return(get_decode_stat(conn->fd_in, id, quiet)); -} - -Attrib * -do_lstat(struct sftp_conn *conn, char *path, int quiet) -{ - u_int id; - - if (conn->version == 0) { - if (quiet) - debug("Server version does not support lstat operation"); - else - log("Server version does not support lstat operation"); - return(do_stat(conn, path, quiet)); - } - - id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_LSTAT, path, - strlen(path)); - - return(get_decode_stat(conn->fd_in, id, quiet)); -} - -/* this is never used so hush the lint */ -#if 0 -Attrib * -do_fstat(struct sftp_conn *conn, char *handle, u_int handle_len, int quiet) -{ - u_int id; - - id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_FSTAT, handle, - handle_len); - - return(get_decode_stat(conn->fd_in, id, quiet)); -} -#endif - -int -do_setstat(struct sftp_conn *conn, char *path, Attrib *a) -{ - u_int status, id; - - id = conn->msg_id++; - send_string_attrs_request(conn->fd_out, id, SSH2_FXP_SETSTAT, path, - strlen(path), a); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't setstat on \"%s\": %s", path, - fx2txt(status)); - - return(status); -} - -int -do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len, - Attrib *a) -{ - u_int status, id; - - id = conn->msg_id++; - send_string_attrs_request(conn->fd_out, id, SSH2_FXP_FSETSTAT, handle, - handle_len, a); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't fsetstat: %s", fx2txt(status)); - - return(status); -} - -char * -do_realpath(struct sftp_conn *conn, char *path) -{ - Buffer msg; - u_int type, expected_id, count, id; - char *filename, *longname; - /* LINTED */ - Attrib *a; - - expected_id = id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_REALPATH, path, - strlen(path)); - - buffer_init(&msg); - - get_msg(conn->fd_in, &msg); - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - - if (type == SSH2_FXP_STATUS) { - u_int status = buffer_get_int(&msg); - - error("Couldn't canonicalise: %s", fx2txt(status)); - return(NULL); - } else if (type != SSH2_FXP_NAME) - fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", - SSH2_FXP_NAME, type); - - count = buffer_get_int(&msg); - if (count != 1) - fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); - - filename = buffer_get_string(&msg, NULL); - longname = buffer_get_string(&msg, NULL); - a = decode_attrib(&msg); - - debug3("SSH_FXP_REALPATH %s -> %s", path, filename); - - xfree(longname); - - buffer_free(&msg); - - return(filename); -} - -int -do_rename(struct sftp_conn *conn, char *oldpath, char *newpath) -{ - Buffer msg; - u_int status, id; - - buffer_init(&msg); - - /* Send rename request */ - id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_RENAME); - buffer_put_int(&msg, id); - buffer_put_cstring(&msg, oldpath); - buffer_put_cstring(&msg, newpath); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath, - newpath); - buffer_free(&msg); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, - newpath, fx2txt(status)); - - return(status); -} - -int -do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) -{ - Buffer msg; - u_int status, id; - - if (conn->version < 3) { - error("This server does not support the symlink operation"); - return(SSH2_FX_OP_UNSUPPORTED); - } - - buffer_init(&msg); - - /* Send symlink request */ - id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_SYMLINK); - buffer_put_int(&msg, id); - buffer_put_cstring(&msg, oldpath); - buffer_put_cstring(&msg, newpath); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, - newpath); - buffer_free(&msg); - - status = get_status(conn->fd_in, id); - if (status != SSH2_FX_OK) - error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath, - newpath, fx2txt(status)); - - return(status); -} - -/* this is never used so hush the lint */ -#if 0 -char * -do_readlink(struct sftp_conn *conn, char *path) -{ - Buffer msg; - u_int type, expected_id, count, id; - char *filename, *longname; - Attrib *a; - - expected_id = id = conn->msg_id++; - send_string_request(conn->fd_out, id, SSH2_FXP_READLINK, path, - strlen(path)); - - buffer_init(&msg); - - get_msg(conn->fd_in, &msg); - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - - if (id != expected_id) - fatal("ID mismatch (%u != %u)", id, expected_id); - - if (type == SSH2_FXP_STATUS) { - u_int status = buffer_get_int(&msg); - - error("Couldn't readlink: %s", fx2txt(status)); - return(NULL); - } else if (type != SSH2_FXP_NAME) - fatal("Expected SSH2_FXP_NAME(%u) packet, got %u", - SSH2_FXP_NAME, type); - - count = buffer_get_int(&msg); - if (count != 1) - fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); - - filename = buffer_get_string(&msg, NULL); - longname = buffer_get_string(&msg, NULL); - a = decode_attrib(&msg); - - debug3("SSH_FXP_READLINK %s -> %s", path, filename); - - xfree(longname); - - buffer_free(&msg); - - return(filename); -} -#endif - -static void -send_read_request(int fd_out, u_int id, u_int64_t offset, u_int len, - char *handle, u_int handle_len) -{ - Buffer msg; - - buffer_init(&msg); - buffer_clear(&msg); - buffer_put_char(&msg, SSH2_FXP_READ); - buffer_put_int(&msg, id); - buffer_put_string(&msg, handle, handle_len); - buffer_put_int64(&msg, offset); - buffer_put_int(&msg, len); - send_msg(fd_out, &msg); - buffer_free(&msg); -} - -int -do_download(struct sftp_conn *conn, char *remote_path, char *local_path, - int pflag) -{ - Attrib junk, *a; - Buffer msg; - char *handle; - int local_fd, status = 0, write_error; - int read_error, write_errno; - u_int64_t offset, size; - u_int handle_len, mode, type, id, buflen, num_req, max_req; - off_t progress_counter; - struct request { - u_int id; - u_int len; - u_int64_t offset; - TAILQ_ENTRY(request) tq; - }; - TAILQ_HEAD(reqhead, request) requests; - struct request *req; - - TAILQ_INIT(&requests); - - a = do_stat(conn, remote_path, 0); - if (a == NULL) - return(-1); - - /* Do not preserve set[ug]id here, as we do not preserve ownership */ - if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) - mode = a->perm & 0777; - else - mode = 0666; - - if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && - (!S_ISREG(a->perm))) { - error("Cannot download non-regular file: %s", remote_path); - return(-1); - } - - if (a->flags & SSH2_FILEXFER_ATTR_SIZE) - size = a->size; - else - size = 0; - - buflen = conn->transfer_buflen; - buffer_init(&msg); - - /* Send open request */ - id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_OPEN); - buffer_put_int(&msg, id); - buffer_put_cstring(&msg, remote_path); - buffer_put_int(&msg, SSH2_FXF_READ); - attrib_clear(&junk); /* Send empty attributes */ - encode_attrib(&msg, &junk); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path); - - handle = get_handle(conn->fd_in, id, &handle_len); - if (handle == NULL) { - buffer_free(&msg); - return(-1); - } - - local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, - mode | S_IWRITE); - if (local_fd == -1) { - error("Couldn't open local file \"%s\" for writing: %s", - local_path, strerror(errno)); - buffer_free(&msg); - xfree(handle); - return(-1); - } - - /* Read from remote and write to local */ - write_error = read_error = write_errno = num_req = offset = 0; - max_req = 1; - progress_counter = 0; - - if (showprogress && size != 0) - start_progress_meter(remote_path, size, &progress_counter); - - while (num_req > 0 || max_req > 0) { - char *data; - u_int len; - - /* - * Simulate EOF on interrupt: stop sending new requests and - * allow outstanding requests to drain gracefully - */ - if (interrupted) { - if (num_req == 0) /* If we haven't started yet... */ - break; - max_req = 0; - } - - /* Send some more requests */ - while (num_req < max_req) { - debug3("Request range %llu -> %llu (%d/%d)", - (unsigned long long)offset, - (unsigned long long)offset + buflen - 1, - num_req, max_req); - req = xmalloc(sizeof(*req)); - req->id = conn->msg_id++; - req->len = buflen; - req->offset = offset; - offset += buflen; - num_req++; - TAILQ_INSERT_TAIL(&requests, req, tq); - send_read_request(conn->fd_out, req->id, req->offset, - req->len, handle, handle_len); - } - - buffer_clear(&msg); - get_msg(conn->fd_in, &msg); - type = buffer_get_char(&msg); - id = buffer_get_int(&msg); - debug3("Received reply T:%u I:%u R:%d", type, id, max_req); - - /* Find the request in our queue */ - for (req = TAILQ_FIRST(&requests); - req != NULL && req->id != id; - req = TAILQ_NEXT(req, tq)) - ; - if (req == NULL) - fatal("Unexpected reply %u", id); - - switch (type) { - case SSH2_FXP_STATUS: - status = buffer_get_int(&msg); - if (status != SSH2_FX_EOF) - read_error = 1; - max_req = 0; - TAILQ_REMOVE(&requests, req, tq); - xfree(req); - num_req--; - break; - case SSH2_FXP_DATA: - data = buffer_get_string(&msg, &len); - debug3("Received data %llu -> %llu", - (unsigned long long)req->offset, - (unsigned long long)req->offset + len - 1); - if (len > req->len) - fatal("Received more data than asked for " - "%u > %u", len, req->len); - if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || - atomicio(vwrite, local_fd, data, len) != len) && - !write_error) { - write_errno = errno; - write_error = 1; - max_req = 0; - } - progress_counter += len; - xfree(data); - - if (len == req->len) { - TAILQ_REMOVE(&requests, req, tq); - xfree(req); - num_req--; - } else { - /* Resend the request for the missing data */ - debug3("Short data block, re-requesting " - "%llu -> %llu (%2d)", - (unsigned long long)req->offset + len, - (unsigned long long)req->offset + - req->len - 1, num_req); - req->id = conn->msg_id++; - req->len -= len; - req->offset += len; - send_read_request(conn->fd_out, req->id, - req->offset, req->len, handle, handle_len); - /* Reduce the request size */ - if (len < buflen) - buflen = MAX(MIN_READ_SIZE, len); - } - if (max_req > 0) { /* max_req = 0 iff EOF received */ - if (size > 0 && offset > size) { - /* Only one request at a time - * after the expected EOF */ - debug3("Finish at %llu (%2d)", - (unsigned long long)offset, - num_req); - max_req = 1; - } else if (max_req <= conn->num_requests) { - ++max_req; - } - } - break; - default: - fatal("Expected SSH2_FXP_DATA(%u) packet, got %u", - SSH2_FXP_DATA, type); - } - } - - if (showprogress && size) - stop_progress_meter(); - - /* Sanity check */ - if (TAILQ_FIRST(&requests) != NULL) - fatal("Transfer complete, but requests still in queue"); - - if (read_error) { - error("Couldn't read from remote file \"%s\" : %s", - remote_path, fx2txt(status)); - do_close(conn, handle, handle_len); - } else if (write_error) { - error("Couldn't write to \"%s\": %s", local_path, - strerror(write_errno)); - status = -1; - do_close(conn, handle, handle_len); - } else { - status = do_close(conn, handle, handle_len); - - /* Override umask and utimes if asked */ -#ifdef HAVE_FCHMOD - if (pflag && fchmod(local_fd, mode) == -1) -#else - if (pflag && chmod(local_path, mode) == -1) -#endif /* HAVE_FCHMOD */ - error("Couldn't set mode on \"%s\": %s", local_path, - strerror(errno)); - if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { - struct timeval tv[2]; - tv[0].tv_sec = a->atime; - tv[1].tv_sec = a->mtime; - tv[0].tv_usec = tv[1].tv_usec = 0; - if (utimes(local_path, tv) == -1) - error("Can't set times on \"%s\": %s", - local_path, strerror(errno)); - } - } - close(local_fd); - buffer_free(&msg); - xfree(handle); - - return(status); -} - -int -do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, - int pflag) -{ - int local_fd, status; - u_int handle_len, id, type; - u_int64_t offset; - char *handle, *data; - Buffer msg; - struct stat sb; - Attrib a; - u_int32_t startid; - u_int32_t ackid; - struct outstanding_ack { - u_int id; - u_int len; - u_int64_t offset; - TAILQ_ENTRY(outstanding_ack) tq; - }; - TAILQ_HEAD(ackhead, outstanding_ack) acks; - struct outstanding_ack *ack = NULL; - - TAILQ_INIT(&acks); - - if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { - error("Couldn't open local file \"%s\" for reading: %s", - local_path, strerror(errno)); - return(-1); - } - if (fstat(local_fd, &sb) == -1) { - error("Couldn't fstat local file \"%s\": %s", - local_path, strerror(errno)); - close(local_fd); - return(-1); - } - if (!S_ISREG(sb.st_mode)) { - error("%s is not a regular file", local_path); - close(local_fd); - return(-1); - } - stat_to_attrib(&sb, &a); - - a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; - a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; - a.perm &= 0777; - if (!pflag) - a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; - - buffer_init(&msg); - - /* Send open request */ - id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_OPEN); - buffer_put_int(&msg, id); - buffer_put_cstring(&msg, remote_path); - buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); - encode_attrib(&msg, &a); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path); - - buffer_clear(&msg); - - handle = get_handle(conn->fd_in, id, &handle_len); - if (handle == NULL) { - close(local_fd); - buffer_free(&msg); - return(-1); - } - - startid = ackid = id + 1; - data = xmalloc(conn->transfer_buflen); - - /* Read from local and write to remote */ - offset = 0; - if (showprogress) - start_progress_meter(local_path, sb.st_size, (off_t *)&offset); - - for (;;) { - int len; - - /* - * Can't use atomicio here because it returns 0 on EOF, - * thus losing the last block of the file. - * Simulate an EOF on interrupt, allowing ACKs from the - * server to drain. - */ - if (interrupted) - len = 0; - else do - len = read(local_fd, data, conn->transfer_buflen); - while ((len == -1) && (errno == EINTR || errno == EAGAIN)); - - if (len == -1) - fatal("Couldn't read from \"%s\": %s", local_path, - strerror(errno)); - - if (len != 0) { - ack = xmalloc(sizeof(*ack)); - ack->id = ++id; - ack->offset = offset; - ack->len = len; - TAILQ_INSERT_TAIL(&acks, ack, tq); - - buffer_clear(&msg); - buffer_put_char(&msg, SSH2_FXP_WRITE); - buffer_put_int(&msg, ack->id); - buffer_put_string(&msg, handle, handle_len); - buffer_put_int64(&msg, offset); - buffer_put_string(&msg, data, len); - send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u", - id, (unsigned long long)offset, len); - } else if (TAILQ_FIRST(&acks) == NULL) - break; - - if (ack == NULL) - fatal("Unexpected ACK %u", id); - - if (id == startid || len == 0 || - id - ackid >= conn->num_requests) { - u_int r_id; - - buffer_clear(&msg); - get_msg(conn->fd_in, &msg); - type = buffer_get_char(&msg); - r_id = buffer_get_int(&msg); - - if (type != SSH2_FXP_STATUS) - fatal("Expected SSH2_FXP_STATUS(%d) packet, " - "got %d", SSH2_FXP_STATUS, type); - - status = buffer_get_int(&msg); - debug3("SSH2_FXP_STATUS %d", status); - - /* Find the request in our queue */ - for (ack = TAILQ_FIRST(&acks); - ack != NULL && ack->id != r_id; - ack = TAILQ_NEXT(ack, tq)) - ; - if (ack == NULL) - fatal("Can't find request for ID %u", r_id); - TAILQ_REMOVE(&acks, ack, tq); - - if (status != SSH2_FX_OK) { - error("Couldn't write to remote file \"%s\": %s", - remote_path, fx2txt(status)); - if (showprogress) - stop_progress_meter(); - do_close(conn, handle, handle_len); - close(local_fd); - xfree(data); - xfree(ack); - status = -1; - goto done; - } - debug3("In write loop, ack for %u %u bytes at %llu", - ack->id, ack->len, (unsigned long long)ack->offset); - ++ackid; - xfree(ack); - } - offset += len; - } - if (showprogress) - stop_progress_meter(); - xfree(data); - - if (close(local_fd) == -1) { - error("Couldn't close local file \"%s\": %s", local_path, - strerror(errno)); - do_close(conn, handle, handle_len); - status = -1; - goto done; - } - - /* Override umask and utimes if asked */ - if (pflag) - do_fsetstat(conn, handle, handle_len, &a); - - status = do_close(conn, handle, handle_len); - -done: - xfree(handle); - buffer_free(&msg); - return(status); -} diff --git a/usr/src/cmd/ssh/sftp/sftp-glob.c b/usr/src/cmd/ssh/sftp/sftp-glob.c deleted file mode 100644 index 626e80922a..0000000000 --- a/usr/src/cmd/ssh/sftp/sftp-glob.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> - * - * 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. - * - * 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. - */ - -/* $OpenBSD: sftp-glob.c,v 1.22 2006/08/03 03:34:42 deraadt Exp $ */ - -#include "includes.h" - -#include <sys/types.h> -#ifdef HAVE_SYS_STAT_H -# include <sys/stat.h> -#endif - -#include <dirent.h> -#include <string.h> - -#include "xmalloc.h" -#include "sftp.h" -#include "buffer.h" -#include "sftp-common.h" -#include "sftp-client.h" - -int remote_glob(struct sftp_conn *, const char *, int, - int (*)(const char *, int), glob_t *); - -struct SFTP_OPENDIR { - SFTP_DIRENT **dir; - int offset; -}; - -static struct { - struct sftp_conn *conn; -} cur; - -static void * -fudge_opendir(const char *path) -{ - struct SFTP_OPENDIR *r; - - r = xmalloc(sizeof(*r)); - - if (do_readdir(cur.conn, (char *)path, &r->dir)) { - xfree(r); - return(NULL); - } - - r->offset = 0; - - return((void *)r); -} - -static struct dirent * -fudge_readdir(struct SFTP_OPENDIR *od) -{ - /* Solaris needs sizeof(dirent) + path length (see below) */ - static union { - char buf_chars[sizeof (struct dirent) + MAXPATHLEN]; - struct dirent buf_dirent; - } buf; - struct dirent *ret = &buf.buf_dirent; -#ifdef __GNU_LIBRARY__ - static int inum = 1; -#endif /* __GNU_LIBRARY__ */ - - if (od->dir[od->offset] == NULL) - return(NULL); - - memset(buf.buf_chars, 0, sizeof (buf.buf_chars)); - - /* - * Solaris defines dirent->d_name as a one byte array and expects - * you to hack around it. - */ -#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME - strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN); -#else - strlcpy(ret->d_name, od->dir[od->offset++]->filename, - sizeof(ret->d_name)); -#endif -#ifdef __GNU_LIBRARY__ - /* - * Idiot glibc uses extensions to struct dirent for readdir with - * ALTDIRFUNCs. Not that this is documented anywhere but the - * source... Fake an inode number to appease it. - */ - ret->d_ino = inum++; - if (!inum) - inum = 1; -#endif /* __GNU_LIBRARY__ */ - - return(ret); -} - -static void -fudge_closedir(struct SFTP_OPENDIR *od) -{ - free_sftp_dirents(od->dir); - xfree(od); -} - -static int -fudge_lstat(const char *path, struct stat *st) -{ - Attrib *a; - - if (!(a = do_lstat(cur.conn, (char *)path, 0))) - return(-1); - - attrib_to_stat(a, st); - - return(0); -} - -static int -fudge_stat(const char *path, struct stat *st) -{ - Attrib *a; - - if (!(a = do_stat(cur.conn, (char *)path, 0))) - return(-1); - - attrib_to_stat(a, st); - - return(0); -} - -int -remote_glob(struct sftp_conn *conn, const char *pattern, int flags, - int (*errfunc)(const char *, int), glob_t *pglob) -{ - pglob->gl_opendir = fudge_opendir; - pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; - pglob->gl_closedir = (void (*)(void *))fudge_closedir; - pglob->gl_lstat = fudge_lstat; - pglob->gl_stat = fudge_stat; - - memset(&cur, 0, sizeof(cur)); - cur.conn = conn; - - return(glob(pattern, flags|GLOB_LIMIT|GLOB_ALTDIRFUNC, errfunc, pglob)); -} diff --git a/usr/src/cmd/ssh/sftp/sftp.c b/usr/src/cmd/ssh/sftp/sftp.c deleted file mode 100644 index 10b971f02c..0000000000 --- a/usr/src/cmd/ssh/sftp/sftp.c +++ /dev/null @@ -1,1690 +0,0 @@ -/* - * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> - * - * 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. - * - * 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. - */ - -/* $OpenBSD: sftp.c,v 1.96 2007/01/03 04:09:15 stevesk Exp $ */ - -#include "includes.h" - -#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> - -#include <errno.h> - -#ifdef HAVE_PATHS_H -# include <paths.h> -#endif - -#ifdef USE_LIBEDIT -#include <histedit.h> -#else -#ifdef USE_LIBTECLA -#include <libtecla.h> -#define MAX_LINE_LEN 2048 -#define MAX_CMD_HIST 10000 -#endif /* USE_LIBTECLA */ -#endif /* USE_LIBEDIT */ - -#include <signal.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <stdarg.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" - -#ifdef HAVE___PROGNAME -extern char *__progname; -#else -char *__progname; -#endif - - -/* 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 */ - -/* 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(gettext("Available commands:\n" - "cd path Change remote directory to 'path'\n" - "lcd path Change local directory to 'path'\n" - "chgrp grp path Change group of file 'path' to 'grp'\n" - "chmod mode path Change permissions of file 'path' to 'mode'\n" - "chown own path Change owner of file 'path' to 'own'\n" - "help Display this help text\n" - "get remote-path [local-path] Download file\n" - "lls [ls-options [path]] Display local directory listing\n" - "ln oldpath newpath Symlink remote file\n" - "lmkdir path Create local directory\n" - "lpwd Print local working directory\n" - "ls [path] Display remote directory listing\n" - "lumask umask Set local umask to 'umask'\n" - "mkdir path Create remote directory\n" - "progress Toggle display of progress meter\n" - "put local-path [remote-path] Upload file\n" - "pwd Display remote working directory\n" - "exit Quit sftp\n" - "quit Quit sftp\n" - "rename oldpath newpath Rename remote file\n" - "rmdir path Remove remote directory\n" - "rm path Delete remote file\n" - "symlink oldpath newpath Symlink remote file\n" - "version Show SFTP version\n" - "!command Execute 'command' in local shell\n" - "! Escape to local shell\n" - "? 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, gettext("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(gettext("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, GLOB_LIMIT, 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(gettext("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"); - - /* NOTREACHED */ - return (0); -} - -/* 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; - /* FALLTHRU */ - case I_CHMOD: - base = 8; - /* FALLTHRU */ - 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(gettext("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(gettext("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(gettext("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(gettext("Changing owner on %s\n"), g.gl_pathv[i]); - aa->uid = n_arg; - } else { - printf(gettext("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(gettext("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(gettext("Local working directory: %s\n"), path_buf); - break; - case I_QUIT: - /* Processed below */ - break; - case I_HELP: - help(); - break; - case I_VERSION: - printf(gettext("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> "); -} -#else -#ifdef USE_LIBTECLA -/* - * Disable default TAB completion for filenames, because it displays local - * files for every commands, which is not desirable. - */ -static -CPL_MATCH_FN(nomatch) -{ - return (0); -} -#endif /* USE_LIBTECLA */ -#endif /* USE_LIBEDIT */ - -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; - void *il = NULL; - -#ifdef USE_LIBEDIT - EditLine *el = NULL; - History *hl = NULL; - HistEvent hev; - - if (!batchmode && isatty(STDIN_FILENO)) { - if ((il = 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); - } -#else -#ifdef USE_LIBTECLA - GetLine *gl = NULL; - - if (!batchmode && isatty(STDIN_FILENO)) { - if ((il = gl = new_GetLine(MAX_LINE_LEN, MAX_CMD_HIST)) == NULL) - fatal("Couldn't initialize GetLine"); - if (gl_customize_completion(gl, NULL, nomatch) != 0) { - (void) del_GetLine(gl); - fatal("Couldn't register completion function"); - } - } -#endif /* USE_LIBTECLA */ -#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(gettext("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 - setlinebuf(stdout); - setlinebuf(infile); -#endif - - interactive = !batchmode && isatty(STDIN_FILENO); - err = 0; - for (;;) { - char *cp; - - signal(SIGINT, SIG_IGN); - - if (il == 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"); - } - } -#ifdef USE_LIBEDIT - else { - 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, gettext("Error: input line too long\n")); - continue; - } - } -#else -#ifdef USE_LIBTECLA - else { - const char *line; - - line = gl_get_line(gl, "sftp> ", NULL, -1); - if (line != NULL) { - if (strlcpy(cmd, line, sizeof(cmd)) >= - sizeof(cmd)) { - fprintf(stderr, gettext( - "Error: input line too long\n")); - continue; - } - } else { - GlReturnStatus rtn; - - rtn = gl_return_status(gl); - if (rtn == GLR_SIGNAL) { - gl_abandon_line(gl); - continue; - } else if (rtn == GLR_ERROR) { - fprintf(stderr, gettext( - "Error reading terminal: %s/\n"), - gl_error_message(gl, NULL, 0)); - } - break; - } - } -#endif /* USE_LIBTECLA */ -#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); -#else -#ifdef USE_LIBTECLA - if (gl != NULL) - (void) del_GetLine(gl); -#endif /* USE_LIBTECLA */ -#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) -{ - int c_in, c_out; - - 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]; - - if ((sshpid = fork()) == -1) - fatal("fork: %s", strerror(errno)); - 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); - } - close(*in); - close(*out); - close(c_in); - close(c_out); - - /* - * 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); - } - - signal(SIGTERM, killchild); - signal(SIGINT, killchild); - signal(SIGHUP, killchild); - close(c_in); - close(c_out); -} - -static void -usage(void) -{ - fprintf(stderr, - gettext("Usage: %s [-1Cv] [-b batchfile] [-B buffer_size]\n" - " [-F ssh_config] [-o ssh_option] [-P sftp_server_path]\n" - " [-R num_requests] [-s subsystem | sftp_server]\n" - " [-S program] [user@]host[:dir[/] | :file [file]]\n"), - __progname, __progname, __progname, __progname); - exit(1); -} - -int -main(int argc, char **argv) -{ - 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; - LogLevel ll = SYSLOG_LEVEL_INFO; - arglist args; - extern int optind; - extern char *optarg; - - /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ - sanitise_stdfd(); - - __progname = get_progname(argv[0]); - - (void) g11n_setlocale(LC_ALL, ""); - - memset(&args, '\0', sizeof(args)); - args.list = NULL; - addargs(&args, "%s", ssh_program); - addargs(&args, "-oForwardX11 no"); - addargs(&args, "-oForwardAgent no"); - addargs(&args, "-oClearAllForwardings yes"); - - ll = SYSLOG_LEVEL_INFO; - infile = stdin; - - while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { - switch (ch) { - case 'C': - addargs(&args, "-C"); - break; - case 'v': - if (debug_level < 3) { - addargs(&args, "-v"); - ll = SYSLOG_LEVEL_DEBUG1 + debug_level; - } - debug_level++; - break; - case 'F': - case 'o': - addargs(&args, "-%c%s", ch, optarg); - break; - case '1': - sshver = 1; - if (sftp_server == NULL) - sftp_server = _PATH_SFTP_SERVER; - break; - case 's': - sftp_server = optarg; - break; - case 'S': - ssh_program = optarg; - replacearg(&args, 0, "%s", ssh_program); - break; - case 'b': - 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; - break; - case 'B': - copy_buffer_len = strtol(optarg, &cp, 10); - if (copy_buffer_len == 0 || *cp != '\0') - fatal("Invalid buffer size \"%s\"", optarg); - break; - case 'R': - num_requests = strtol(optarg, &cp, 10); - if (num_requests == 0 || *cp != '\0') - fatal("Invalid number of requests \"%s\"", - optarg); - break; - case 'h': - default: - usage(); - } - } - - 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 ((host = strrchr(userhost, '@')) == NULL) - host = userhost; - else { - *host++ = '\0'; - if (!userhost[0]) { - fprintf(stderr, gettext("Missing username\n")); - usage(); - } - addargs(&args, "-l%s", userhost); - } - - if ((cp = colon(host)) != NULL) { - *cp++ = '\0'; - file1 = cp; - } - - host = cleanhostname(host); - if (!*host) { - fprintf(stderr, gettext("Missing hostname\n")); - usage(); - } - - addargs(&args, "-oProtocol %d", sshver); - - /* no subsystem if the server-spec contains a '/' */ - if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) - addargs(&args, "-s"); - - addargs(&args, "%s", host); - addargs(&args, "%s", (sftp_server != NULL ? - sftp_server : "sftp")); - - if (!batchmode) - fprintf(stderr, gettext("Connecting to %s...\n"), host); - connect_to_server(ssh_program, args.list, &in, &out); - } else { - args.list = NULL; - addargs(&args, "sftp-server"); - - if (!batchmode) - fprintf(stderr, gettext("Attaching to %s...\n"), sftp_direct); - connect_to_server(sftp_direct, args.list, &in, &out); - } - freeargs(&args); - - err = interactive_loop(in, out, file1, file2); - - shutdown(in, SHUT_RDWR); - shutdown(out, SHUT_RDWR); - - close(in); - close(out); - if (batchmode) - fclose(infile); - - while (waitpid(sshpid, NULL, 0) == -1) - if (errno != EINTR) - fatal("Couldn't wait for ssh process: %s", - strerror(errno)); - - return (err == 0 ? 0 : 1); -} |