mirror of
http://galexander.org/git/simplesshd.git
synced 2025-01-01 02:40:52 +00:00
a rough subset of openssh-6.7p1 ("portable" branch), as needed to build
sftp-server
This commit is contained in:
parent
bea29fb886
commit
7e0a344210
98
openssh/buffer.h
Normal file
98
openssh/buffer.h
Normal file
@ -0,0 +1,98 @@
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/* $OpenBSD: buffer.h,v 1.25 2014/04/30 05:29:56 djm Exp $ */
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/*
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* Copyright (c) 2012 Damien Miller <djm@mindrot.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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||||||
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
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#ifndef BUFFER_H
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#define BUFFER_H
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#include "sshbuf.h"
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typedef struct sshbuf Buffer;
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#define buffer_init(b) sshbuf_init(b)
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#define buffer_clear(b) sshbuf_reset(b)
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#define buffer_free(b) sshbuf_free(b)
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#define buffer_dump(b) sshbuf_dump(b, stderr)
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/* XXX cast is safe: sshbuf never stores more than len 2^31 */
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#define buffer_len(b) ((u_int) sshbuf_len(b))
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#define buffer_ptr(b) sshbuf_mutable_ptr(b)
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void buffer_append(Buffer *, const void *, u_int);
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void *buffer_append_space(Buffer *, u_int);
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int buffer_check_alloc(Buffer *, u_int);
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void buffer_get(Buffer *, void *, u_int);
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void buffer_consume(Buffer *, u_int);
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void buffer_consume_end(Buffer *, u_int);
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int buffer_get_ret(Buffer *, void *, u_int);
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int buffer_consume_ret(Buffer *, u_int);
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int buffer_consume_end_ret(Buffer *, u_int);
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#include <openssl/bn.h>
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void buffer_put_bignum(Buffer *, const BIGNUM *);
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void buffer_put_bignum2(Buffer *, const BIGNUM *);
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void buffer_get_bignum(Buffer *, BIGNUM *);
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void buffer_get_bignum2(Buffer *, BIGNUM *);
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void buffer_put_bignum2_from_string(Buffer *, const u_char *, u_int);
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u_short buffer_get_short(Buffer *);
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void buffer_put_short(Buffer *, u_short);
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u_int buffer_get_int(Buffer *);
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void buffer_put_int(Buffer *, u_int);
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u_int64_t buffer_get_int64(Buffer *);
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void buffer_put_int64(Buffer *, u_int64_t);
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int buffer_get_char(Buffer *);
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void buffer_put_char(Buffer *, int);
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void *buffer_get_string(Buffer *, u_int *);
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const void *buffer_get_string_ptr(Buffer *, u_int *);
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void buffer_put_string(Buffer *, const void *, u_int);
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char *buffer_get_cstring(Buffer *, u_int *);
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void buffer_put_cstring(Buffer *, const char *);
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#define buffer_skip_string(b) (void)buffer_get_string_ptr(b, NULL);
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int buffer_put_bignum_ret(Buffer *, const BIGNUM *);
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int buffer_get_bignum_ret(Buffer *, BIGNUM *);
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int buffer_put_bignum2_ret(Buffer *, const BIGNUM *);
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int buffer_get_bignum2_ret(Buffer *, BIGNUM *);
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int buffer_get_short_ret(u_short *, Buffer *);
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int buffer_get_int_ret(u_int *, Buffer *);
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int buffer_get_int64_ret(u_int64_t *, Buffer *);
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void *buffer_get_string_ret(Buffer *, u_int *);
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char *buffer_get_cstring_ret(Buffer *, u_int *);
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const void *buffer_get_string_ptr_ret(Buffer *, u_int *);
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int buffer_get_char_ret(char *, Buffer *);
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#ifdef OPENSSL_HAS_ECC
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#include <openssl/ec.h>
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int buffer_put_ecpoint_ret(Buffer *, const EC_GROUP *, const EC_POINT *);
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void buffer_put_ecpoint(Buffer *, const EC_GROUP *, const EC_POINT *);
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int buffer_get_ecpoint_ret(Buffer *, const EC_GROUP *, EC_POINT *);
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void buffer_get_ecpoint(Buffer *, const EC_GROUP *, EC_POINT *);
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#endif
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#endif /* BUFFER_H */
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274
openssh/openbsd-compat/fmt_scaled.c
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274
openssh/openbsd-compat/fmt_scaled.c
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/* $OpenBSD: fmt_scaled.c,v 1.9 2007/03/20 03:42:52 tedu Exp $ */
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/*
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* Copyright (c) 2001, 2002, 2003 Ian F. Darwin. 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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/* OPENBSD ORIGINAL: lib/libutil/fmt_scaled.c */
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/*
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* fmt_scaled: Format numbers scaled for human comprehension
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* scan_scaled: Scan numbers in this format.
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*
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* "Human-readable" output uses 4 digits max, and puts a unit suffix at
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* the end. Makes output compact and easy-to-read esp. on huge disks.
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* Formatting code was originally in OpenBSD "df", converted to library routine.
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* Scanning code written for OpenBSD libutil.
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*/
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#include "includes.h"
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#ifndef HAVE_FMT_SCALED
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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typedef enum {
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NONE = 0, KILO = 1, MEGA = 2, GIGA = 3, TERA = 4, PETA = 5, EXA = 6
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} unit_type;
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/* These three arrays MUST be in sync! XXX make a struct */
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static unit_type units[] = { NONE, KILO, MEGA, GIGA, TERA, PETA, EXA };
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static char scale_chars[] = "BKMGTPE";
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static long long scale_factors[] = {
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1LL,
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1024LL,
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1024LL*1024,
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1024LL*1024*1024,
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1024LL*1024*1024*1024,
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1024LL*1024*1024*1024*1024,
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1024LL*1024*1024*1024*1024*1024,
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};
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#define SCALE_LENGTH (sizeof(units)/sizeof(units[0]))
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#define MAX_DIGITS (SCALE_LENGTH * 3) /* XXX strlen(sprintf("%lld", -1)? */
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/** Convert the given input string "scaled" into numeric in "result".
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* Return 0 on success, -1 and errno set on error.
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*/
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int
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scan_scaled(char *scaled, long long *result)
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{
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char *p = scaled;
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int sign = 0;
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unsigned int i, ndigits = 0, fract_digits = 0;
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long long scale_fact = 1, whole = 0, fpart = 0;
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/* Skip leading whitespace */
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while (isascii(*p) && isspace(*p))
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++p;
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/* Then at most one leading + or - */
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while (*p == '-' || *p == '+') {
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if (*p == '-') {
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if (sign) {
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errno = EINVAL;
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return -1;
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}
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sign = -1;
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++p;
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} else if (*p == '+') {
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if (sign) {
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errno = EINVAL;
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return -1;
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}
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sign = +1;
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++p;
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}
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}
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/* Main loop: Scan digits, find decimal point, if present.
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* We don't allow exponentials, so no scientific notation
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* (but note that E for Exa might look like e to some!).
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* Advance 'p' to end, to get scale factor.
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*/
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for (; isascii(*p) && (isdigit(*p) || *p=='.'); ++p) {
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if (*p == '.') {
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if (fract_digits > 0) { /* oops, more than one '.' */
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errno = EINVAL;
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return -1;
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}
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fract_digits = 1;
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continue;
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}
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i = (*p) - '0'; /* whew! finally a digit we can use */
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if (fract_digits > 0) {
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if (fract_digits >= MAX_DIGITS-1)
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/* ignore extra fractional digits */
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continue;
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fract_digits++; /* for later scaling */
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fpart *= 10;
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fpart += i;
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} else { /* normal digit */
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if (++ndigits >= MAX_DIGITS) {
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errno = ERANGE;
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return -1;
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}
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whole *= 10;
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whole += i;
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}
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}
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if (sign) {
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whole *= sign;
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fpart *= sign;
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}
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/* If no scale factor given, we're done. fraction is discarded. */
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if (!*p) {
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*result = whole;
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return 0;
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}
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/* Validate scale factor, and scale whole and fraction by it. */
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for (i = 0; i < SCALE_LENGTH; i++) {
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/** Are we there yet? */
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|
if (*p == scale_chars[i] ||
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*p == tolower(scale_chars[i])) {
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/* If it ends with alphanumerics after the scale char, bad. */
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|
if (isalnum(*(p+1))) {
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errno = EINVAL;
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return -1;
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|
}
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|
scale_fact = scale_factors[i];
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/* scale whole part */
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whole *= scale_fact;
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/* truncate fpart so it does't overflow.
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* then scale fractional part.
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*/
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while (fpart >= LLONG_MAX / scale_fact) {
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fpart /= 10;
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fract_digits--;
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|
}
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|
fpart *= scale_fact;
|
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|
if (fract_digits > 0) {
|
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|
for (i = 0; i < fract_digits -1; i++)
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fpart /= 10;
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|
}
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|
whole += fpart;
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|
*result = whole;
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|
return 0;
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||||||
|
}
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||||||
|
}
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|
errno = ERANGE;
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|
return -1;
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|
}
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|
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/* Format the given "number" into human-readable form in "result".
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* Result must point to an allocated buffer of length FMT_SCALED_STRSIZE.
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* Return 0 on success, -1 and errno set if error.
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*/
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int
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|
fmt_scaled(long long number, char *result)
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|
{
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|
long long abval, fract = 0;
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unsigned int i;
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unit_type unit = NONE;
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|
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abval = (number < 0LL) ? -number : number; /* no long long_abs yet */
|
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|
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||||||
|
/* Not every negative long long has a positive representation.
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|
* Also check for numbers that are just too darned big to format
|
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|
*/
|
||||||
|
if (abval < 0 || abval / 1024 >= scale_factors[SCALE_LENGTH-1]) {
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|
errno = ERANGE;
|
||||||
|
return -1;
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||||||
|
}
|
||||||
|
|
||||||
|
/* scale whole part; get unscaled fraction */
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||||||
|
for (i = 0; i < SCALE_LENGTH; i++) {
|
||||||
|
if (abval/1024 < scale_factors[i]) {
|
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|
unit = units[i];
|
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|
fract = (i == 0) ? 0 : abval % scale_factors[i];
|
||||||
|
number /= scale_factors[i];
|
||||||
|
if (i > 0)
|
||||||
|
fract /= scale_factors[i - 1];
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fract = (10 * fract + 512) / 1024;
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||||||
|
/* if the result would be >= 10, round main number */
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||||||
|
if (fract == 10) {
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|
if (number >= 0)
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|
number++;
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|
else
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|
number--;
|
||||||
|
fract = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (number == 0)
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||||||
|
strlcpy(result, "0B", FMT_SCALED_STRSIZE);
|
||||||
|
else if (unit == NONE || number >= 100 || number <= -100) {
|
||||||
|
if (fract >= 5) {
|
||||||
|
if (number >= 0)
|
||||||
|
number++;
|
||||||
|
else
|
||||||
|
number--;
|
||||||
|
}
|
||||||
|
(void)snprintf(result, FMT_SCALED_STRSIZE, "%lld%c",
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|
number, scale_chars[unit]);
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||||||
|
} else
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|
(void)snprintf(result, FMT_SCALED_STRSIZE, "%lld.%1lld%c",
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|
number, fract, scale_chars[unit]);
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||||||
|
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||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef MAIN
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||||||
|
/*
|
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|
* This is the original version of the program in the man page.
|
||||||
|
* Copy-and-paste whatever you need from it.
|
||||||
|
*/
|
||||||
|
int
|
||||||
|
main(int argc, char **argv)
|
||||||
|
{
|
||||||
|
char *cinput = "1.5K", buf[FMT_SCALED_STRSIZE];
|
||||||
|
long long ninput = 10483892, result;
|
||||||
|
|
||||||
|
if (scan_scaled(cinput, &result) == 0)
|
||||||
|
printf("\"%s\" -> %lld\n", cinput, result);
|
||||||
|
else
|
||||||
|
perror(cinput);
|
||||||
|
|
||||||
|
if (fmt_scaled(ninput, buf) == 0)
|
||||||
|
printf("%lld -> \"%s\"\n", ninput, buf);
|
||||||
|
else
|
||||||
|
fprintf(stderr, "%lld invalid (%s)\n", ninput, strerror(errno));
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* HAVE_FMT_SCALED */
|
236
openssh/sftp-common.c
Normal file
236
openssh/sftp-common.c
Normal file
@ -0,0 +1,236 @@
|
|||||||
|
/* $OpenBSD: sftp-common.c,v 1.26 2014/01/09 03:26:00 guenther Exp $ */
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2001 Markus Friedl. All rights reserved.
|
||||||
|
* Copyright (c) 2001 Damien Miller. All rights reserved.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "includes.h"
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
#include <sys/param.h>
|
||||||
|
|
||||||
|
#include <grp.h>
|
||||||
|
#include <pwd.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <time.h>
|
||||||
|
#include <stdarg.h>
|
||||||
|
#ifdef HAVE_UTIL_H
|
||||||
|
#include <util.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "xmalloc.h"
|
||||||
|
#include "buffer.h"
|
||||||
|
#include "log.h"
|
||||||
|
|
||||||
|
#include "sftp.h"
|
||||||
|
#include "sftp-common.h"
|
||||||
|
|
||||||
|
/* Clear contents of attributes structure */
|
||||||
|
void
|
||||||
|
attrib_clear(Attrib *a)
|
||||||
|
{
|
||||||
|
a->flags = 0;
|
||||||
|
a->size = 0;
|
||||||
|
a->uid = 0;
|
||||||
|
a->gid = 0;
|
||||||
|
a->perm = 0;
|
||||||
|
a->atime = 0;
|
||||||
|
a->mtime = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Convert from struct stat to filexfer attribs */
|
||||||
|
void
|
||||||
|
stat_to_attrib(const struct stat *st, Attrib *a)
|
||||||
|
{
|
||||||
|
attrib_clear(a);
|
||||||
|
a->flags = 0;
|
||||||
|
a->flags |= SSH2_FILEXFER_ATTR_SIZE;
|
||||||
|
a->size = st->st_size;
|
||||||
|
a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
|
||||||
|
a->uid = st->st_uid;
|
||||||
|
a->gid = st->st_gid;
|
||||||
|
a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
|
||||||
|
a->perm = st->st_mode;
|
||||||
|
a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
|
||||||
|
a->atime = st->st_atime;
|
||||||
|
a->mtime = st->st_mtime;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Convert from filexfer attribs to struct stat */
|
||||||
|
void
|
||||||
|
attrib_to_stat(const Attrib *a, struct stat *st)
|
||||||
|
{
|
||||||
|
memset(st, 0, sizeof(*st));
|
||||||
|
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
|
||||||
|
st->st_size = a->size;
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
|
||||||
|
st->st_uid = a->uid;
|
||||||
|
st->st_gid = a->gid;
|
||||||
|
}
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
|
||||||
|
st->st_mode = a->perm;
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
|
||||||
|
st->st_atime = a->atime;
|
||||||
|
st->st_mtime = a->mtime;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Decode attributes in buffer */
|
||||||
|
Attrib *
|
||||||
|
decode_attrib(Buffer *b)
|
||||||
|
{
|
||||||
|
static Attrib a;
|
||||||
|
|
||||||
|
attrib_clear(&a);
|
||||||
|
a.flags = buffer_get_int(b);
|
||||||
|
if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
|
||||||
|
a.size = buffer_get_int64(b);
|
||||||
|
if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
|
||||||
|
a.uid = buffer_get_int(b);
|
||||||
|
a.gid = buffer_get_int(b);
|
||||||
|
}
|
||||||
|
if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
|
||||||
|
a.perm = buffer_get_int(b);
|
||||||
|
if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
|
||||||
|
a.atime = buffer_get_int(b);
|
||||||
|
a.mtime = buffer_get_int(b);
|
||||||
|
}
|
||||||
|
/* vendor-specific extensions */
|
||||||
|
if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
|
||||||
|
char *type, *data;
|
||||||
|
int i, count;
|
||||||
|
|
||||||
|
count = buffer_get_int(b);
|
||||||
|
for (i = 0; i < count; i++) {
|
||||||
|
type = buffer_get_string(b, NULL);
|
||||||
|
data = buffer_get_string(b, NULL);
|
||||||
|
debug3("Got file attribute \"%s\"", type);
|
||||||
|
free(type);
|
||||||
|
free(data);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return &a;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Encode attributes to buffer */
|
||||||
|
void
|
||||||
|
encode_attrib(Buffer *b, const Attrib *a)
|
||||||
|
{
|
||||||
|
buffer_put_int(b, a->flags);
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
|
||||||
|
buffer_put_int64(b, a->size);
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
|
||||||
|
buffer_put_int(b, a->uid);
|
||||||
|
buffer_put_int(b, a->gid);
|
||||||
|
}
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
|
||||||
|
buffer_put_int(b, a->perm);
|
||||||
|
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
|
||||||
|
buffer_put_int(b, a->atime);
|
||||||
|
buffer_put_int(b, a->mtime);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Convert from SSH2_FX_ status to text error message */
|
||||||
|
const char *
|
||||||
|
fx2txt(int status)
|
||||||
|
{
|
||||||
|
switch (status) {
|
||||||
|
case SSH2_FX_OK:
|
||||||
|
return("No error");
|
||||||
|
case SSH2_FX_EOF:
|
||||||
|
return("End of file");
|
||||||
|
case SSH2_FX_NO_SUCH_FILE:
|
||||||
|
return("No such file or directory");
|
||||||
|
case SSH2_FX_PERMISSION_DENIED:
|
||||||
|
return("Permission denied");
|
||||||
|
case SSH2_FX_FAILURE:
|
||||||
|
return("Failure");
|
||||||
|
case SSH2_FX_BAD_MESSAGE:
|
||||||
|
return("Bad message");
|
||||||
|
case SSH2_FX_NO_CONNECTION:
|
||||||
|
return("No connection");
|
||||||
|
case SSH2_FX_CONNECTION_LOST:
|
||||||
|
return("Connection lost");
|
||||||
|
case SSH2_FX_OP_UNSUPPORTED:
|
||||||
|
return("Operation unsupported");
|
||||||
|
default:
|
||||||
|
return("Unknown status");
|
||||||
|
}
|
||||||
|
/* NOTREACHED */
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* drwxr-xr-x 5 markus markus 1024 Jan 13 18:39 .ssh
|
||||||
|
*/
|
||||||
|
char *
|
||||||
|
ls_file(const char *name, const struct stat *st, int remote, int si_units)
|
||||||
|
{
|
||||||
|
int ulen, glen, sz = 0;
|
||||||
|
struct tm *ltime = localtime(&st->st_mtime);
|
||||||
|
char *user, *group;
|
||||||
|
char buf[1024], mode[11+1], tbuf[12+1], ubuf[11+1], gbuf[11+1];
|
||||||
|
char sbuf[FMT_SCALED_STRSIZE];
|
||||||
|
time_t now;
|
||||||
|
|
||||||
|
strmode(st->st_mode, mode);
|
||||||
|
if (!remote) {
|
||||||
|
user = user_from_uid(st->st_uid, 0);
|
||||||
|
} else {
|
||||||
|
snprintf(ubuf, sizeof ubuf, "%u", (u_int)st->st_uid);
|
||||||
|
user = ubuf;
|
||||||
|
}
|
||||||
|
if (!remote) {
|
||||||
|
group = group_from_gid(st->st_gid, 0);
|
||||||
|
} else {
|
||||||
|
snprintf(gbuf, sizeof gbuf, "%u", (u_int)st->st_gid);
|
||||||
|
group = gbuf;
|
||||||
|
}
|
||||||
|
if (ltime != NULL) {
|
||||||
|
now = time(NULL);
|
||||||
|
if (now - (365*24*60*60)/2 < st->st_mtime &&
|
||||||
|
now >= st->st_mtime)
|
||||||
|
sz = strftime(tbuf, sizeof tbuf, "%b %e %H:%M", ltime);
|
||||||
|
else
|
||||||
|
sz = strftime(tbuf, sizeof tbuf, "%b %e %Y", ltime);
|
||||||
|
}
|
||||||
|
if (sz == 0)
|
||||||
|
tbuf[0] = '\0';
|
||||||
|
ulen = MAX(strlen(user), 8);
|
||||||
|
glen = MAX(strlen(group), 8);
|
||||||
|
if (si_units) {
|
||||||
|
fmt_scaled((long long)st->st_size, sbuf);
|
||||||
|
snprintf(buf, sizeof buf, "%s %3u %-*s %-*s %8s %s %s", mode,
|
||||||
|
(u_int)st->st_nlink, ulen, user, glen, group,
|
||||||
|
sbuf, tbuf, name);
|
||||||
|
} else {
|
||||||
|
snprintf(buf, sizeof buf, "%s %3u %-*s %-*s %8llu %s %s", mode,
|
||||||
|
(u_int)st->st_nlink, ulen, user, glen, group,
|
||||||
|
(unsigned long long)st->st_size, tbuf, name);
|
||||||
|
}
|
||||||
|
return xstrdup(buf);
|
||||||
|
}
|
51
openssh/sftp-common.h
Normal file
51
openssh/sftp-common.h
Normal file
@ -0,0 +1,51 @@
|
|||||||
|
/* $OpenBSD: sftp-common.h,v 1.11 2010/01/13 01:40:16 djm Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2001 Markus Friedl. All rights reserved.
|
||||||
|
* Copyright (c) 2001 Damien Miller. All rights reserved.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Maximum packet that we are willing to send/accept */
|
||||||
|
#define SFTP_MAX_MSG_LENGTH (256 * 1024)
|
||||||
|
|
||||||
|
typedef struct Attrib Attrib;
|
||||||
|
|
||||||
|
/* File attributes */
|
||||||
|
struct Attrib {
|
||||||
|
u_int32_t flags;
|
||||||
|
u_int64_t size;
|
||||||
|
u_int32_t uid;
|
||||||
|
u_int32_t gid;
|
||||||
|
u_int32_t perm;
|
||||||
|
u_int32_t atime;
|
||||||
|
u_int32_t mtime;
|
||||||
|
};
|
||||||
|
|
||||||
|
void attrib_clear(Attrib *);
|
||||||
|
void stat_to_attrib(const struct stat *, Attrib *);
|
||||||
|
void attrib_to_stat(const Attrib *, struct stat *);
|
||||||
|
Attrib *decode_attrib(Buffer *);
|
||||||
|
void encode_attrib(Buffer *, const Attrib *);
|
||||||
|
char *ls_file(const char *, const struct stat *, int, int);
|
||||||
|
|
||||||
|
const char *fx2txt(int);
|
51
openssh/sftp-server-main.c
Normal file
51
openssh/sftp-server-main.c
Normal file
@ -0,0 +1,51 @@
|
|||||||
|
/* $OpenBSD: sftp-server-main.c,v 1.4 2009/02/21 19:32:04 tobias Exp $ */
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2008 Markus Friedl. All rights reserved.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "includes.h"
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <pwd.h>
|
||||||
|
#include <stdarg.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
|
||||||
|
#include "log.h"
|
||||||
|
#include "sftp.h"
|
||||||
|
#include "misc.h"
|
||||||
|
|
||||||
|
void
|
||||||
|
cleanup_exit(int i)
|
||||||
|
{
|
||||||
|
sftp_server_cleanup_exit(i);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
main(int argc, char **argv)
|
||||||
|
{
|
||||||
|
struct passwd *user_pw;
|
||||||
|
|
||||||
|
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
|
||||||
|
sanitise_stdfd();
|
||||||
|
|
||||||
|
if ((user_pw = getpwuid(getuid())) == NULL) {
|
||||||
|
fprintf(stderr, "No user found for uid %lu\n",
|
||||||
|
(u_long)getuid());
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
return (sftp_server_main(argc, argv, user_pw));
|
||||||
|
}
|
1638
openssh/sftp-server.c
Normal file
1638
openssh/sftp-server.c
Normal file
File diff suppressed because it is too large
Load Diff
2444
openssh/sftp.c
Normal file
2444
openssh/sftp.c
Normal file
File diff suppressed because it is too large
Load Diff
101
openssh/sftp.h
Normal file
101
openssh/sftp.h
Normal file
@ -0,0 +1,101 @@
|
|||||||
|
/* $OpenBSD: sftp.h,v 1.9 2008/06/13 00:12:02 dtucker Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2001 Markus Friedl. All rights reserved.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* draft-ietf-secsh-filexfer-01.txt
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* version */
|
||||||
|
#define SSH2_FILEXFER_VERSION 3
|
||||||
|
|
||||||
|
/* client to server */
|
||||||
|
#define SSH2_FXP_INIT 1
|
||||||
|
#define SSH2_FXP_OPEN 3
|
||||||
|
#define SSH2_FXP_CLOSE 4
|
||||||
|
#define SSH2_FXP_READ 5
|
||||||
|
#define SSH2_FXP_WRITE 6
|
||||||
|
#define SSH2_FXP_LSTAT 7
|
||||||
|
#define SSH2_FXP_STAT_VERSION_0 7
|
||||||
|
#define SSH2_FXP_FSTAT 8
|
||||||
|
#define SSH2_FXP_SETSTAT 9
|
||||||
|
#define SSH2_FXP_FSETSTAT 10
|
||||||
|
#define SSH2_FXP_OPENDIR 11
|
||||||
|
#define SSH2_FXP_READDIR 12
|
||||||
|
#define SSH2_FXP_REMOVE 13
|
||||||
|
#define SSH2_FXP_MKDIR 14
|
||||||
|
#define SSH2_FXP_RMDIR 15
|
||||||
|
#define SSH2_FXP_REALPATH 16
|
||||||
|
#define SSH2_FXP_STAT 17
|
||||||
|
#define SSH2_FXP_RENAME 18
|
||||||
|
#define SSH2_FXP_READLINK 19
|
||||||
|
#define SSH2_FXP_SYMLINK 20
|
||||||
|
|
||||||
|
/* server to client */
|
||||||
|
#define SSH2_FXP_VERSION 2
|
||||||
|
#define SSH2_FXP_STATUS 101
|
||||||
|
#define SSH2_FXP_HANDLE 102
|
||||||
|
#define SSH2_FXP_DATA 103
|
||||||
|
#define SSH2_FXP_NAME 104
|
||||||
|
#define SSH2_FXP_ATTRS 105
|
||||||
|
|
||||||
|
#define SSH2_FXP_EXTENDED 200
|
||||||
|
#define SSH2_FXP_EXTENDED_REPLY 201
|
||||||
|
|
||||||
|
/* attributes */
|
||||||
|
#define SSH2_FILEXFER_ATTR_SIZE 0x00000001
|
||||||
|
#define SSH2_FILEXFER_ATTR_UIDGID 0x00000002
|
||||||
|
#define SSH2_FILEXFER_ATTR_PERMISSIONS 0x00000004
|
||||||
|
#define SSH2_FILEXFER_ATTR_ACMODTIME 0x00000008
|
||||||
|
#define SSH2_FILEXFER_ATTR_EXTENDED 0x80000000
|
||||||
|
|
||||||
|
/* portable open modes */
|
||||||
|
#define SSH2_FXF_READ 0x00000001
|
||||||
|
#define SSH2_FXF_WRITE 0x00000002
|
||||||
|
#define SSH2_FXF_APPEND 0x00000004
|
||||||
|
#define SSH2_FXF_CREAT 0x00000008
|
||||||
|
#define SSH2_FXF_TRUNC 0x00000010
|
||||||
|
#define SSH2_FXF_EXCL 0x00000020
|
||||||
|
|
||||||
|
/* statvfs@openssh.com f_flag flags */
|
||||||
|
#define SSH2_FXE_STATVFS_ST_RDONLY 0x00000001
|
||||||
|
#define SSH2_FXE_STATVFS_ST_NOSUID 0x00000002
|
||||||
|
|
||||||
|
/* status messages */
|
||||||
|
#define SSH2_FX_OK 0
|
||||||
|
#define SSH2_FX_EOF 1
|
||||||
|
#define SSH2_FX_NO_SUCH_FILE 2
|
||||||
|
#define SSH2_FX_PERMISSION_DENIED 3
|
||||||
|
#define SSH2_FX_FAILURE 4
|
||||||
|
#define SSH2_FX_BAD_MESSAGE 5
|
||||||
|
#define SSH2_FX_NO_CONNECTION 6
|
||||||
|
#define SSH2_FX_CONNECTION_LOST 7
|
||||||
|
#define SSH2_FX_OP_UNSUPPORTED 8
|
||||||
|
#define SSH2_FX_MAX 8
|
||||||
|
|
||||||
|
struct passwd;
|
||||||
|
|
||||||
|
int sftp_server_main(int, char **, struct passwd *);
|
||||||
|
void sftp_server_cleanup_exit(int) __attribute__((noreturn));
|
Loading…
Reference in New Issue
Block a user