openssh-portable/sftp-common.c

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/* $OpenBSD: sftp-common.c,v 1.33 2022/09/19 10:41:58 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.
*/
#include "includes.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <grp.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
- deraadt@cvs.openbsd.org 2006/08/03 03:34:42 [OVERVIEW atomicio.c atomicio.h auth-bsdauth.c auth-chall.c auth-krb5.c] [auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth-skey.c auth.c auth.h auth1.c auth2-chall.c auth2-gss.c] [auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c ] [auth2-pubkey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufbn.c] [buffer.c buffer.h canohost.c channels.c channels.h cipher-3des1.c] [cipher-bf1.c cipher-ctr.c cipher.c cleanup.c clientloop.c compat.c] [compress.c deattack.c dh.c dispatch.c dns.c dns.h fatal.c groupaccess.c] [groupaccess.h gss-genr.c gss-serv-krb5.c gss-serv.c hostfile.c kex.c] [kex.h kexdh.c kexdhc.c kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c] [key.h log.c log.h mac.c match.c md-sha256.c misc.c misc.h moduli.c] [monitor.c monitor_fdpass.c monitor_mm.c monitor_mm.h monitor_wrap.c] [monitor_wrap.h msg.c nchan.c packet.c progressmeter.c readconf.c] [readconf.h readpass.c rsa.c scard.c scard.h scp.c servconf.c servconf.h] [serverloop.c session.c session.h sftp-client.c sftp-common.c] [sftp-common.h sftp-glob.c sftp-server.c sftp.c ssh-add.c ssh-agent.c] [ssh-dss.c ssh-gss.h ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh-rsa.c] [ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c] [sshd.c sshlogin.c sshlogin.h sshpty.c sshpty.h sshtty.c ttymodes.c] [uidswap.c uidswap.h uuencode.c uuencode.h xmalloc.c xmalloc.h] [loginrec.c loginrec.h openbsd-compat/port-aix.c openbsd-compat/port-tun.h] almost entirely get rid of the culture of ".h files that include .h files" ok djm, sort of ok stevesk makes the pain stop in one easy step NB. portable commit contains everything *except* removing includes.h, as that will take a fair bit more work as we move headers that are required for portability workarounds to defines.h. (also, this step wasn't "easy")
2006-08-05 04:39:39 +02:00
#include <stdarg.h>
2019-01-23 23:55:16 +01:00
#include <unistd.h>
#ifdef HAVE_UTIL_H
#include <util.h>
#endif
- deraadt@cvs.openbsd.org 2006/08/03 03:34:42 [OVERVIEW atomicio.c atomicio.h auth-bsdauth.c auth-chall.c auth-krb5.c] [auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth-skey.c auth.c auth.h auth1.c auth2-chall.c auth2-gss.c] [auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c ] [auth2-pubkey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufbn.c] [buffer.c buffer.h canohost.c channels.c channels.h cipher-3des1.c] [cipher-bf1.c cipher-ctr.c cipher.c cleanup.c clientloop.c compat.c] [compress.c deattack.c dh.c dispatch.c dns.c dns.h fatal.c groupaccess.c] [groupaccess.h gss-genr.c gss-serv-krb5.c gss-serv.c hostfile.c kex.c] [kex.h kexdh.c kexdhc.c kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c] [key.h log.c log.h mac.c match.c md-sha256.c misc.c misc.h moduli.c] [monitor.c monitor_fdpass.c monitor_mm.c monitor_mm.h monitor_wrap.c] [monitor_wrap.h msg.c nchan.c packet.c progressmeter.c readconf.c] [readconf.h readpass.c rsa.c scard.c scard.h scp.c servconf.c servconf.h] [serverloop.c session.c session.h sftp-client.c sftp-common.c] [sftp-common.h sftp-glob.c sftp-server.c sftp.c ssh-add.c ssh-agent.c] [ssh-dss.c ssh-gss.h ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh-rsa.c] [ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c] [sshd.c sshlogin.c sshlogin.h sshpty.c sshpty.h sshtty.c ttymodes.c] [uidswap.c uidswap.h uuencode.c uuencode.h xmalloc.c xmalloc.h] [loginrec.c loginrec.h openbsd-compat/port-aix.c openbsd-compat/port-tun.h] almost entirely get rid of the culture of ".h files that include .h files" ok djm, sort of ok stevesk makes the pain stop in one easy step NB. portable commit contains everything *except* removing includes.h, as that will take a fair bit more work as we move headers that are required for portability workarounds to defines.h. (also, this step wasn't "easy")
2006-08-05 04:39:39 +02:00
#include "xmalloc.h"
#include "ssherr.h"
#include "sshbuf.h"
#include "log.h"
#include "misc.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 */
int
decode_attrib(struct sshbuf *b, Attrib *a)
{
int r;
attrib_clear(a);
if ((r = sshbuf_get_u32(b, &a->flags)) != 0)
return r;
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
if ((r = sshbuf_get_u64(b, &a->size)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
if ((r = sshbuf_get_u32(b, &a->uid)) != 0 ||
(r = sshbuf_get_u32(b, &a->gid)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
if ((r = sshbuf_get_u32(b, &a->perm)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
if ((r = sshbuf_get_u32(b, &a->atime)) != 0 ||
(r = sshbuf_get_u32(b, &a->mtime)) != 0)
return r;
}
/* vendor-specific extensions */
if (a->flags & SSH2_FILEXFER_ATTR_EXTENDED) {
char *type;
u_char *data;
size_t dlen;
u_int i, count;
if ((r = sshbuf_get_u32(b, &count)) != 0)
return r;
for (i = 0; i < count; i++) {
if ((r = sshbuf_get_cstring(b, &type, NULL)) != 0 ||
(r = sshbuf_get_string(b, &data, &dlen)) != 0)
return r;
debug3("Got file attribute \"%.100s\" len %zu",
type, dlen);
free(type);
free(data);
}
}
return 0;
}
/* Encode attributes to buffer */
int
encode_attrib(struct sshbuf *b, const Attrib *a)
{
int r;
if ((r = sshbuf_put_u32(b, a->flags)) != 0)
return r;
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
if ((r = sshbuf_put_u64(b, a->size)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
if ((r = sshbuf_put_u32(b, a->uid)) != 0 ||
(r = sshbuf_put_u32(b, a->gid)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) {
if ((r = sshbuf_put_u32(b, a->perm)) != 0)
return r;
}
if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
if ((r = sshbuf_put_u32(b, a->atime)) != 0 ||
(r = sshbuf_put_u32(b, a->mtime)) != 0)
return r;
}
return 0;
}
/* Convert from SSH2_FX_ status to text error message */
const char *
fx2txt(int status)
{
switch (status) {
case SSH2_FX_OK:
- (djm) Sync sftp and scp stuff from OpenBSD: - djm@cvs.openbsd.org 2001/02/07 03:55:13 [sftp-client.c] Don't free handles before we are done with them. Based on work from Corinna Vinschen <vinschen@redhat.com>. ok markus@ - djm@cvs.openbsd.org 2001/02/06 22:32:53 [sftp.1] Punctuation fix from Pekka Savola <pekkas@netcore.fi> - deraadt@cvs.openbsd.org 2001/02/07 04:07:29 [sftp.1] pretty up significantly - itojun@cvs.openbsd.org 2001/02/07 06:49:42 [sftp.1] .Bl-.El mismatch. markus ok - djm@cvs.openbsd.org 2001/02/07 06:12:30 [sftp-int.c] Check that target is a directory before doing ls; ok markus@ - itojun@cvs.openbsd.org 2001/02/07 11:01:18 [scp.c sftp-client.c sftp-server.c] unsigned long long -> %llu, not %qu. markus ok - stevesk@cvs.openbsd.org 2001/02/07 11:10:39 [sftp.1 sftp-int.c] more man page cleanup and sync of help text with man page; ok markus@ - markus@cvs.openbsd.org 2001/02/07 14:58:34 [sftp-client.c] older servers reply with SSH2_FXP_NAME + count==0 instead of EOF - djm@cvs.openbsd.org 2001/02/07 15:27:19 [sftp.c] Don't forward agent and X11 in sftp. Suggestion from Roumen Petrov <roumen.petrov@skalasoft.com> - stevesk@cvs.openbsd.org 2001/02/07 15:36:04 [sftp-int.c] portable; ok markus@ - stevesk@cvs.openbsd.org 2001/02/07 15:55:47 [sftp-int.c] lowercase cmds[].c also; ok markus@ - markus@cvs.openbsd.org 2001/02/07 17:04:52 [pathnames.h sftp.c] allow sftp over ssh protocol 1; ok djm@ - deraadt@cvs.openbsd.org 2001/02/08 07:38:55 [scp.c] memory leak fix, and snprintf throughout - deraadt@cvs.openbsd.org 2001/02/08 08:02:02 [sftp-int.c] plug a memory leak - stevesk@cvs.openbsd.org 2001/02/08 10:11:23 [session.c sftp-client.c] %i -> %d - stevesk@cvs.openbsd.org 2001/02/08 10:57:59 [sftp-int.c] typo - stevesk@cvs.openbsd.org 2001/02/08 15:28:07 [sftp-int.c pathnames.h] _PATH_LS; ok markus@ - djm@cvs.openbsd.org 2001/02/09 04:46:25 [sftp-int.c] Check for NULL attribs for chown, chmod & chgrp operations, only send relevant attribs back to server; ok markus@ - (djm) Update makefile.in for _PATH_SFTP_SERVER
2001-02-09 14:40:03 +01:00
return("No error");
case SSH2_FX_EOF:
- (djm) Sync sftp and scp stuff from OpenBSD: - djm@cvs.openbsd.org 2001/02/07 03:55:13 [sftp-client.c] Don't free handles before we are done with them. Based on work from Corinna Vinschen <vinschen@redhat.com>. ok markus@ - djm@cvs.openbsd.org 2001/02/06 22:32:53 [sftp.1] Punctuation fix from Pekka Savola <pekkas@netcore.fi> - deraadt@cvs.openbsd.org 2001/02/07 04:07:29 [sftp.1] pretty up significantly - itojun@cvs.openbsd.org 2001/02/07 06:49:42 [sftp.1] .Bl-.El mismatch. markus ok - djm@cvs.openbsd.org 2001/02/07 06:12:30 [sftp-int.c] Check that target is a directory before doing ls; ok markus@ - itojun@cvs.openbsd.org 2001/02/07 11:01:18 [scp.c sftp-client.c sftp-server.c] unsigned long long -> %llu, not %qu. markus ok - stevesk@cvs.openbsd.org 2001/02/07 11:10:39 [sftp.1 sftp-int.c] more man page cleanup and sync of help text with man page; ok markus@ - markus@cvs.openbsd.org 2001/02/07 14:58:34 [sftp-client.c] older servers reply with SSH2_FXP_NAME + count==0 instead of EOF - djm@cvs.openbsd.org 2001/02/07 15:27:19 [sftp.c] Don't forward agent and X11 in sftp. Suggestion from Roumen Petrov <roumen.petrov@skalasoft.com> - stevesk@cvs.openbsd.org 2001/02/07 15:36:04 [sftp-int.c] portable; ok markus@ - stevesk@cvs.openbsd.org 2001/02/07 15:55:47 [sftp-int.c] lowercase cmds[].c also; ok markus@ - markus@cvs.openbsd.org 2001/02/07 17:04:52 [pathnames.h sftp.c] allow sftp over ssh protocol 1; ok djm@ - deraadt@cvs.openbsd.org 2001/02/08 07:38:55 [scp.c] memory leak fix, and snprintf throughout - deraadt@cvs.openbsd.org 2001/02/08 08:02:02 [sftp-int.c] plug a memory leak - stevesk@cvs.openbsd.org 2001/02/08 10:11:23 [session.c sftp-client.c] %i -> %d - stevesk@cvs.openbsd.org 2001/02/08 10:57:59 [sftp-int.c] typo - stevesk@cvs.openbsd.org 2001/02/08 15:28:07 [sftp-int.c pathnames.h] _PATH_LS; ok markus@ - djm@cvs.openbsd.org 2001/02/09 04:46:25 [sftp-int.c] Check for NULL attribs for chown, chmod & chgrp operations, only send relevant attribs back to server; ok markus@ - (djm) Update makefile.in for _PATH_SFTP_SERVER
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return("End of file");
case SSH2_FX_NO_SUCH_FILE:
- (djm) Sync sftp and scp stuff from OpenBSD: - djm@cvs.openbsd.org 2001/02/07 03:55:13 [sftp-client.c] Don't free handles before we are done with them. Based on work from Corinna Vinschen <vinschen@redhat.com>. ok markus@ - djm@cvs.openbsd.org 2001/02/06 22:32:53 [sftp.1] Punctuation fix from Pekka Savola <pekkas@netcore.fi> - deraadt@cvs.openbsd.org 2001/02/07 04:07:29 [sftp.1] pretty up significantly - itojun@cvs.openbsd.org 2001/02/07 06:49:42 [sftp.1] .Bl-.El mismatch. markus ok - djm@cvs.openbsd.org 2001/02/07 06:12:30 [sftp-int.c] Check that target is a directory before doing ls; ok markus@ - itojun@cvs.openbsd.org 2001/02/07 11:01:18 [scp.c sftp-client.c sftp-server.c] unsigned long long -> %llu, not %qu. markus ok - stevesk@cvs.openbsd.org 2001/02/07 11:10:39 [sftp.1 sftp-int.c] more man page cleanup and sync of help text with man page; ok markus@ - markus@cvs.openbsd.org 2001/02/07 14:58:34 [sftp-client.c] older servers reply with SSH2_FXP_NAME + count==0 instead of EOF - djm@cvs.openbsd.org 2001/02/07 15:27:19 [sftp.c] Don't forward agent and X11 in sftp. Suggestion from Roumen Petrov <roumen.petrov@skalasoft.com> - stevesk@cvs.openbsd.org 2001/02/07 15:36:04 [sftp-int.c] portable; ok markus@ - stevesk@cvs.openbsd.org 2001/02/07 15:55:47 [sftp-int.c] lowercase cmds[].c also; ok markus@ - markus@cvs.openbsd.org 2001/02/07 17:04:52 [pathnames.h sftp.c] allow sftp over ssh protocol 1; ok djm@ - deraadt@cvs.openbsd.org 2001/02/08 07:38:55 [scp.c] memory leak fix, and snprintf throughout - deraadt@cvs.openbsd.org 2001/02/08 08:02:02 [sftp-int.c] plug a memory leak - stevesk@cvs.openbsd.org 2001/02/08 10:11:23 [session.c sftp-client.c] %i -> %d - stevesk@cvs.openbsd.org 2001/02/08 10:57:59 [sftp-int.c] typo - stevesk@cvs.openbsd.org 2001/02/08 15:28:07 [sftp-int.c pathnames.h] _PATH_LS; ok markus@ - djm@cvs.openbsd.org 2001/02/09 04:46:25 [sftp-int.c] Check for NULL attribs for chown, chmod & chgrp operations, only send relevant attribs back to server; ok markus@ - (djm) Update makefile.in for _PATH_SFTP_SERVER
2001-02-09 14:40:03 +01:00
return("No such file or directory");
case SSH2_FX_PERMISSION_DENIED:
- (djm) Sync sftp and scp stuff from OpenBSD: - djm@cvs.openbsd.org 2001/02/07 03:55:13 [sftp-client.c] Don't free handles before we are done with them. Based on work from Corinna Vinschen <vinschen@redhat.com>. ok markus@ - djm@cvs.openbsd.org 2001/02/06 22:32:53 [sftp.1] Punctuation fix from Pekka Savola <pekkas@netcore.fi> - deraadt@cvs.openbsd.org 2001/02/07 04:07:29 [sftp.1] pretty up significantly - itojun@cvs.openbsd.org 2001/02/07 06:49:42 [sftp.1] .Bl-.El mismatch. markus ok - djm@cvs.openbsd.org 2001/02/07 06:12:30 [sftp-int.c] Check that target is a directory before doing ls; ok markus@ - itojun@cvs.openbsd.org 2001/02/07 11:01:18 [scp.c sftp-client.c sftp-server.c] unsigned long long -> %llu, not %qu. markus ok - stevesk@cvs.openbsd.org 2001/02/07 11:10:39 [sftp.1 sftp-int.c] more man page cleanup and sync of help text with man page; ok markus@ - markus@cvs.openbsd.org 2001/02/07 14:58:34 [sftp-client.c] older servers reply with SSH2_FXP_NAME + count==0 instead of EOF - djm@cvs.openbsd.org 2001/02/07 15:27:19 [sftp.c] Don't forward agent and X11 in sftp. Suggestion from Roumen Petrov <roumen.petrov@skalasoft.com> - stevesk@cvs.openbsd.org 2001/02/07 15:36:04 [sftp-int.c] portable; ok markus@ - stevesk@cvs.openbsd.org 2001/02/07 15:55:47 [sftp-int.c] lowercase cmds[].c also; ok markus@ - markus@cvs.openbsd.org 2001/02/07 17:04:52 [pathnames.h sftp.c] allow sftp over ssh protocol 1; ok djm@ - deraadt@cvs.openbsd.org 2001/02/08 07:38:55 [scp.c] memory leak fix, and snprintf throughout - deraadt@cvs.openbsd.org 2001/02/08 08:02:02 [sftp-int.c] plug a memory leak - stevesk@cvs.openbsd.org 2001/02/08 10:11:23 [session.c sftp-client.c] %i -> %d - stevesk@cvs.openbsd.org 2001/02/08 10:57:59 [sftp-int.c] typo - stevesk@cvs.openbsd.org 2001/02/08 15:28:07 [sftp-int.c pathnames.h] _PATH_LS; ok markus@ - djm@cvs.openbsd.org 2001/02/09 04:46:25 [sftp-int.c] Check for NULL attribs for chown, chmod & chgrp operations, only send relevant attribs back to server; ok markus@ - (djm) Update makefile.in for _PATH_SFTP_SERVER
2001-02-09 14:40:03 +01:00
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,
const char *user, const char *group)
{
int ulen, glen, sz = 0;
struct tm *ltime = localtime(&st->st_mtime);
char buf[1024], lc[8], 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) {
if (user == NULL) {
snprintf(ubuf, sizeof ubuf, "%u", (u_int)st->st_uid);
user = ubuf;
}
if (group == NULL) {
snprintf(gbuf, sizeof gbuf, "%u", (u_int)st->st_gid);
group = gbuf;
}
strlcpy(lc, "?", sizeof(lc));
} else {
user = user_from_uid(st->st_uid, 0);
group = group_from_gid(st->st_gid, 0);
snprintf(lc, sizeof(lc), "%u", (u_int)st->st_nlink);
}
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 = MAXIMUM(strlen(user), 8);
glen = MAXIMUM(strlen(group), 8);
if (si_units) {
fmt_scaled((long long)st->st_size, sbuf);
snprintf(buf, sizeof buf, "%s %3s %-*s %-*s %8s %s %s",
mode, lc, ulen, user, glen, group,
sbuf, tbuf, name);
} else {
snprintf(buf, sizeof buf, "%s %3s %-*s %-*s %8llu %s %s",
mode, lc, ulen, user, glen, group,
(unsigned long long)st->st_size, tbuf, name);
}
return xstrdup(buf);
}