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support UTF-8 characters in ssh(1) banners using
schwarze@'s safe fmprintf printer; bz#2058

feedback schwarze@ ok dtucker@

Upstream-ID: a72ce4e3644c957643c9524eea2959e41b91eea7
This commit is contained in:
djm@openbsd.org 2016-07-17 04:20:16 +00:00 committed by Damien Miller
parent e4eb7d9109
commit 65c6c6b567
2 changed files with 12 additions and 14 deletions
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5
ssh.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssh.c,v 1.444 2016/07/16 06:57:55 jmc Exp $ */
/* $OpenBSD: ssh.c,v 1.445 2016/07/17 04:20:16 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -67,6 +67,7 @@
#include <string.h>
#include <unistd.h>
#include <limits.h>
#include <locale.h>
#include <netinet/in.h>
#include <arpa/inet.h>
@ -592,6 +593,8 @@ main(int ac, char **av)
*/
umask(022);
setlocale(LC_CTYPE, "");
/*
* Initialize option structure to indicate that no values have been
* set.

19
sshconnect2.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sshconnect2.c,v 1.245 2016/05/24 04:43:45 dtucker Exp $ */
/* $OpenBSD: sshconnect2.c,v 1.246 2016/07/17 04:20:16 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2008 Damien Miller. All rights reserved.
@ -71,6 +71,7 @@
#include "uidswap.h"
#include "hostfile.h"
#include "ssherr.h"
#include "utf8.h"
#ifdef GSSAPI
#include "ssh-gss.h"
@ -495,21 +496,15 @@ input_userauth_error(int type, u_int32_t seq, void *ctxt)
int
input_userauth_banner(int type, u_int32_t seq, void *ctxt)
{
char *msg, *raw, *lang;
char *msg, *lang;
u_int len;
debug3("input_userauth_banner");
raw = packet_get_string(&len);
debug3("%s", __func__);
msg = packet_get_string(&len);
lang = packet_get_string(NULL);
if (len > 0 && options.log_level >= SYSLOG_LEVEL_INFO) {
if (len > 65536)
len = 65536;
msg = xmalloc(len * 4 + 1); /* max expansion from strnvis() */
strnvis(msg, raw, len * 4 + 1, VIS_SAFE|VIS_OCTAL|VIS_NOSLASH);
fprintf(stderr, "%s", msg);
if (len > 0 && options.log_level >= SYSLOG_LEVEL_INFO)
fmprintf(stderr, "%s", msg);
free(msg);
}
free(raw);
free(lang);
return 0;
}