152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
/*
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* Copyright (c) 2001 Markus Friedl. All rights reserved.
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* Copyright (c) 2001 Damien Miller. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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RCSID("$OpenBSD: sftp-common.c,v 1.6 2002/06/23 09:30:14 deraadt Exp $");
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#include "buffer.h"
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#include "bufaux.h"
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#include "log.h"
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#include "xmalloc.h"
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#include "sftp.h"
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#include "sftp-common.h"
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/* Clear contents of attributes structure */
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void
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attrib_clear(Attrib *a)
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{
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a->flags = 0;
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a->size = 0;
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a->uid = 0;
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a->gid = 0;
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a->perm = 0;
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a->atime = 0;
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a->mtime = 0;
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}
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/* Convert from struct stat to filexfer attribs */
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void
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stat_to_attrib(struct stat *st, Attrib *a)
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{
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attrib_clear(a);
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a->flags = 0;
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a->flags |= SSH2_FILEXFER_ATTR_SIZE;
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a->size = st->st_size;
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a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
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a->uid = st->st_uid;
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a->gid = st->st_gid;
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a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
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a->perm = st->st_mode;
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a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
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a->atime = st->st_atime;
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a->mtime = st->st_mtime;
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}
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/* Decode attributes in buffer */
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Attrib *
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decode_attrib(Buffer *b)
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{
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static Attrib a;
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attrib_clear(&a);
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a.flags = buffer_get_int(b);
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if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
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a.size = buffer_get_int64(b);
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if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
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a.uid = buffer_get_int(b);
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a.gid = buffer_get_int(b);
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}
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if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
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a.perm = buffer_get_int(b);
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if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
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a.atime = buffer_get_int(b);
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a.mtime = buffer_get_int(b);
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}
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/* vendor-specific extensions */
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if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
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char *type, *data;
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int i, count;
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count = buffer_get_int(b);
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for (i = 0; i < count; i++) {
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type = buffer_get_string(b, NULL);
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data = buffer_get_string(b, NULL);
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debug3("Got file attribute \"%s\"", type);
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xfree(type);
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xfree(data);
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}
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}
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return &a;
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}
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/* Encode attributes to buffer */
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void
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encode_attrib(Buffer *b, Attrib *a)
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{
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buffer_put_int(b, a->flags);
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if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
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buffer_put_int64(b, a->size);
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if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
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buffer_put_int(b, a->uid);
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buffer_put_int(b, a->gid);
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}
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if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
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buffer_put_int(b, a->perm);
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if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
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buffer_put_int(b, a->atime);
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buffer_put_int(b, a->mtime);
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}
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}
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/* Convert from SSH2_FX_ status to text error message */
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const char *
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fx2txt(int status)
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{
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switch (status) {
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case SSH2_FX_OK:
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return("No error");
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case SSH2_FX_EOF:
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return("End of file");
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case SSH2_FX_NO_SUCH_FILE:
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return("No such file or directory");
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case SSH2_FX_PERMISSION_DENIED:
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return("Permission denied");
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case SSH2_FX_FAILURE:
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return("Failure");
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case SSH2_FX_BAD_MESSAGE:
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return("Bad message");
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case SSH2_FX_NO_CONNECTION:
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return("No connection");
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case SSH2_FX_CONNECTION_LOST:
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return("Connection lost");
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case SSH2_FX_OP_UNSUPPORTED:
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return("Operation unsupported");
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default:
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return("Unknown status");
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}
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/* NOTREACHED */
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}
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