[gsi-openssh/f21] Based on openssh-6.6.1p1-5.fc21

Mattias Ellert ellert at fedoraproject.org
Wed Oct 22 17:09:15 UTC 2014


commit 913439ce706adfb8b47df683bbf36c9ff739667d
Author: Mattias Ellert <mattias.ellert at fysast.uu.se>
Date:   Wed Oct 22 19:07:34 2014 +0200

    Based on openssh-6.6.1p1-5.fc21

 gsi-openssh.spec                      |   27 +-
 openssh-6.6.1p1-NI_MAXHOST.patch      |   76 +++
 openssh-6.6.1p1-partial-success.patch |   16 +
 openssh-6.6.1p1-utf8-banner.patch     |  994 +++++++++++++++++++++++++++++++++
 openssh-6.6p1-audit.patch             |   26 +-
 openssh-6.6p1-fips.patch              |   25 +-
 openssh-6.6p1-set_remote_ipaddr.patch |   87 +++
 7 files changed, 1228 insertions(+), 23 deletions(-)
---
diff --git a/gsi-openssh.spec b/gsi-openssh.spec
index 52bb233..161c235 100644
--- a/gsi-openssh.spec
+++ b/gsi-openssh.spec
@@ -29,12 +29,12 @@
 %global ldap 1
 
 %global openssh_ver 6.6.1p1
-%global openssh_rel 1
+%global openssh_rel 2
 
 Summary: An implementation of the SSH protocol with GSI authentication
 Name: gsi-openssh
 Version: %{openssh_ver}
-Release: %{openssh_rel}%{?dist}.1
+Release: %{openssh_rel}%{?dist}
 Provides: gsissh = %{version}-%{release}
 Obsoletes: gsissh < 5.8p2-2
 URL: http://www.openssh.com/portable.html
@@ -136,6 +136,18 @@ Patch908: openssh-6.6p1-CVE-2014-2653.patch
 # OpenSSH 6.5 and 6.6 sometimes encode a value used in the curve25519 key exchange incorrectly
 # Disable the curve25519 KEX when speaking to OpenSSH 6.5 or 6.6
 Patch909: openssh-5618210618256bbf5f4f71b2887ff186fd451736.patch
+# standardise on NI_MAXHOST for gethostname() string lengths (#1051490)
+Patch910: openssh-6.6.1p1-NI_MAXHOST.patch
+# set a client's address right after a connection is set
+# http://bugzilla.mindrot.org/show_bug.cgi?id=2257
+Patch911: openssh-6.6p1-set_remote_ipaddr.patch
+# apply RFC3454 stringprep to banners when possible
+# https://bugzilla.mindrot.org/show_bug.cgi?id=2058
+# slightly changed patch from comment 10
+Patch912: openssh-6.6.1p1-utf8-banner.patch
+# don't consider a partial success as a failure
+# https://bugzilla.mindrot.org/show_bug.cgi?id=2270
+Patch913: openssh-6.6.1p1-partial-success.patch
 
 # This is the patch that adds GSI support
 # Based on http://grid.ncsa.illinois.edu/ssh/dl/patch/openssh-6.6p1.patch
@@ -285,6 +297,10 @@ This version of OpenSSH has been modified to support GSI authentication.
 %patch907 -p1 -b .CLOCK_BOOTTIME
 %patch908 -p1 -b .CVE-2014-2653
 %patch909 -p1 -b .6.6.1
+%patch910 -p1 -b .NI_MAXHOST
+%patch911 -p1 -b .set_remote_ipaddr
+%patch912 -p1 -b .utf8-banner
+%patch913 -p1 -b .partial-success
 
 %patch200 -p1 -b .audit
 %patch700 -p1 -b .fips
@@ -457,7 +473,9 @@ getent passwd sshd >/dev/null || \
 
 %files
 %defattr(-,root,root)
-%doc CREDITS ChangeLog INSTALL LICENCE LICENSE.globus_usage OVERVIEW PROTOCOL* README README.platform README.privsep README.tun README.dns README.sshd-and-gsisshd TODO
+%{!?_licensedir:%global license %%doc}
+%license LICENCE LICENSE.globus_usage
+%doc CREDITS ChangeLog INSTALL OVERVIEW PROTOCOL* README README.platform README.privsep README.tun README.dns README.sshd-and-gsisshd TODO
 %attr(0755,root,root) %dir %{_sysconfdir}/gsissh
 %attr(0644,root,root) %config(noreplace) %{_sysconfdir}/gsissh/moduli
 %attr(0755,root,root) %{_bindir}/gsissh-keygen
@@ -501,6 +519,9 @@ getent passwd sshd >/dev/null || \
 %attr(0644,root,root) %{_unitdir}/gsisshd-keygen.service
 
 %changelog
+* Wed Oct 22 2014 Mattias Ellert <mattias.ellert at fysast.uu.se> - 6.6.1p1-2
+- Based on openssh-6.6.1p1-5.fc21
+
 * Sat Aug 16 2014 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 6.6.1p1-1.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
 
diff --git a/openssh-6.6.1p1-NI_MAXHOST.patch b/openssh-6.6.1p1-NI_MAXHOST.patch
new file mode 100644
index 0000000..7eeee50
--- /dev/null
+++ b/openssh-6.6.1p1-NI_MAXHOST.patch
@@ -0,0 +1,76 @@
+diff --git a/ChangeLog b/ChangeLog
+index 928999d..3887495 100644
+--- a/ChangeLog
++++ b/ChangeLog
+@@ -1,3 +1,10 @@
++20140703
++ - OpenBSD CVS Sync
++   - djm at cvs.openbsd.org 2014/07/03 03:34:09
++     [gss-serv.c session.c ssh-keygen.c]
++     standardise on NI_MAXHOST for gethostname() string lengths; about
++     1/2 the cases were using it already. Fixes bz#2239 en passant
++
+ 20140420
+  - (djm) [bufaux.c compat.c compat.h sshconnect2.c sshd.c version.h]
+    OpenSSH 6.5 and 6.6 sometimes encode a value used in the curve25519
+diff --git a/gss-serv.c b/gss-serv.c
+index 14f540e..29916d3 100644
+--- a/gss-serv.c
++++ b/gss-serv.c
+@@ -1,4 +1,4 @@
+-/* $OpenBSD: gss-serv.c,v 1.26 2014/02/26 20:28:44 djm Exp $ */
++/* $OpenBSD: gss-serv.c,v 1.27 2014/07/03 03:34:09 djm Exp $ */
+ 
+ /*
+  * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
+@@ -102,14 +102,14 @@ static OM_uint32
+ ssh_gssapi_acquire_cred(Gssctxt *ctx)
+ {
+ 	OM_uint32 status;
+-	char lname[MAXHOSTNAMELEN];
++	char lname[NI_MAXHOST];
+ 	gss_OID_set oidset;
+ 
+ 	if (options.gss_strict_acceptor) {
+ 		gss_create_empty_oid_set(&status, &oidset);
+ 		gss_add_oid_set_member(&status, ctx->oid, &oidset);
+ 
+-		if (gethostname(lname, MAXHOSTNAMELEN)) {
++		if (gethostname(lname, sizeof(lname))) {
+ 			gss_release_oid_set(&status, &oidset);
+ 			return (-1);
+ 		}
+diff --git a/session.c b/session.c
+index ba4589b..e4add93 100644
+--- a/session.c
++++ b/session.c
+@@ -49,6 +49,7 @@
+ #include <errno.h>
+ #include <fcntl.h>
+ #include <grp.h>
++#include <netdb.h>
+ #ifdef HAVE_PATHS_H
+ #include <paths.h>
+ #endif
+@@ -2669,7 +2670,7 @@ session_setup_x11fwd(Session *s)
+ {
+ 	struct stat st;
+ 	char display[512], auth_display[512];
+-	char hostname[MAXHOSTNAMELEN];
++	char hostname[NI_MAXHOST];
+ 	u_int i;
+ 
+ 	if (no_x11_forwarding_flag) {
+diff --git a/ssh-keygen.c b/ssh-keygen.c
+index 482dc1c..66198e6 100644
+--- a/ssh-keygen.c
++++ b/ssh-keygen.c
+@@ -165,7 +165,7 @@ int rounds = 0;
+ /* argv0 */
+ extern char *__progname;
+ 
+-char hostname[MAXHOSTNAMELEN];
++char hostname[NI_MAXHOST];
+ 
+ /* moduli.c */
+ int gen_candidates(FILE *, u_int32_t, u_int32_t, BIGNUM *);
diff --git a/openssh-6.6.1p1-partial-success.patch b/openssh-6.6.1p1-partial-success.patch
new file mode 100644
index 0000000..b5c61cf
--- /dev/null
+++ b/openssh-6.6.1p1-partial-success.patch
@@ -0,0 +1,16 @@
+diff --git a/auth2.c b/auth2.c
+index d9b440a..ec0bf12 100644
+--- a/auth2.c
++++ b/auth2.c
+@@ -355,8 +355,9 @@ userauth_finish(Authctxt *authctxt, int authenticated, const char *method,
+ 		authctxt->success = 1;
+ 	} else {
+ 
+-		/* Allow initial try of "none" auth without failure penalty */
+-		if (!authctxt->server_caused_failure &&
++		/* Allow initial try of "none" auth without failure penalty
++		 * Partial succes is not failure */
++		if (!authctxt->server_caused_failure && !partial &&
+ 		    (authctxt->attempt > 1 || strcmp(method, "none") != 0))
+ 			authctxt->failures++;
+ 		if (authctxt->failures >= options.max_authtries) {
diff --git a/openssh-6.6.1p1-utf8-banner.patch b/openssh-6.6.1p1-utf8-banner.patch
new file mode 100644
index 0000000..1ab8ade
--- /dev/null
+++ b/openssh-6.6.1p1-utf8-banner.patch
@@ -0,0 +1,994 @@
+diff --git a/Makefile.in b/Makefile.in
+index 2ad26ff..0f0d39f 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -81,7 +81,7 @@ LIBSSH_OBJS=authfd.o authfile.o bufaux.o bufbn.o buffer.o \
+ 	msg.o progressmeter.o dns.o entropy.o gss-genr.o umac.o umac128.o \
+ 	ssh-pkcs11.o krl.o smult_curve25519_ref.o \
+ 	kexc25519.o kexc25519c.o poly1305.o chacha.o cipher-chachapoly.o \
+-	ssh-ed25519.o digest-openssl.o hmac.o \
++	ssh-ed25519.o digest-openssl.o hmac.o utf8_stringprep.o \
+ 	sc25519.o ge25519.o fe25519.o ed25519.o verify.o hash.o blocks.o
+ 
+ SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \
+diff --git a/misc.h b/misc.h
+index d4df619..d98b83d 100644
+--- a/misc.h
++++ b/misc.h
+@@ -106,4 +106,7 @@ char	*read_passphrase(const char *, int);
+ int	 ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
+ int	 read_keyfile_line(FILE *, const char *, char *, size_t, u_long *);
+ 
++/* utf8_stringprep.c */
++int utf8_stringprep(const char *, char *, size_t);
++
+ #endif /* _MISC_H */
+diff --git a/sshconnect2.c b/sshconnect2.c
+index b00658b..08064f4 100644
+--- a/sshconnect2.c
++++ b/sshconnect2.c
+@@ -33,6 +33,8 @@
+ 
+ #include <errno.h>
+ #include <fcntl.h>
++#include <langinfo.h>
++#include <locale.h>
+ #include <netdb.h>
+ #include <pwd.h>
+ #include <signal.h>
+@@ -519,21 +521,51 @@ input_userauth_error(int type, u_int32_t seq, void *ctxt)
+ 	    "type %d", type);
+ }
+ 
++/* Check whether we can display UTF-8 safely */
++static int
++utf8_ok(void)
++{
++	static int ret = -1;
++	char *cp;
++
++	if (ret == -1) {
++		setlocale(LC_CTYPE, "");
++		cp = nl_langinfo(CODESET);
++		ret = strcmp(cp, "UTF-8") == 0;
++	}
++	return ret;
++}
++
+ /* ARGSUSED */
+ void
+ input_userauth_banner(int type, u_int32_t seq, void *ctxt)
+ {
+ 	char *msg, *raw, *lang;
+-	u_int len;
++	u_int done, len;
+ 
+ 	debug3("input_userauth_banner");
++
+ 	raw = 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);
++		done = 0;
++		if (utf8_ok()) {
++			if (utf8_stringprep(raw, msg, len * 4 + 1) == 0)
++				done = 1;
++			else
++				debug2("%s: UTF8 stringprep failed", __func__);
++		}
++		/*
++		 * Fallback to strnvis if UTF8 display not supported or
++		 * conversion failed.
++		 */
++		if (!done) {
++			strnvis(msg, raw, len * 4 + 1,
++			    VIS_SAFE|VIS_OCTAL|VIS_NOSLASH);
++		}
+ 		fprintf(stderr, "%s", msg);
+ 		free(msg);
+ 	}
+diff --git a/stringprep-tables.c b/stringprep-tables.c
+new file mode 100644
+index 0000000..49f4d9d
+--- /dev/null
++++ b/stringprep-tables.c
+@@ -0,0 +1,661 @@
++/* Public domain.  */
++
++/* $OpenBSD$ */
++
++/*
++ * Tables for RFC3454 stringprep algorithm, updated with a table of allocated
++ * characters generated from Unicode.6.2's UnicodeData.txt
++ *
++ * Intended to be included directly from utf8_stringprep.c
++ */
++
++/* Unassigned characters in Unicode 6.2 */
++static const struct u32_range unassigned[] = {
++	{ 0x0378, 0x0379 },
++	{ 0x037F, 0x0383 },
++	{ 0x038B, 0x038B },
++	{ 0x038D, 0x038D },
++	{ 0x03A2, 0x03A2 },
++	{ 0x0528, 0x0530 },
++	{ 0x0557, 0x0558 },
++	{ 0x0560, 0x0560 },
++	{ 0x0588, 0x0588 },
++	{ 0x058B, 0x058E },
++	{ 0x0590, 0x0590 },
++	{ 0x05C8, 0x05CF },
++	{ 0x05EB, 0x05EF },
++	{ 0x05F5, 0x05FF },
++	{ 0x0605, 0x0605 },
++	{ 0x061C, 0x061D },
++	{ 0x070E, 0x070E },
++	{ 0x074B, 0x074C },
++	{ 0x07B2, 0x07BF },
++	{ 0x07FB, 0x07FF },
++	{ 0x082E, 0x082F },
++	{ 0x083F, 0x083F },
++	{ 0x085C, 0x085D },
++	{ 0x085F, 0x089F },
++	{ 0x08A1, 0x08A1 },
++	{ 0x08AD, 0x08E3 },
++	{ 0x08FF, 0x08FF },
++	{ 0x0978, 0x0978 },
++	{ 0x0980, 0x0980 },
++	{ 0x0984, 0x0984 },
++	{ 0x098D, 0x098E },
++	{ 0x0991, 0x0992 },
++	{ 0x09A9, 0x09A9 },
++	{ 0x09B1, 0x09B1 },
++	{ 0x09B3, 0x09B5 },
++	{ 0x09BA, 0x09BB },
++	{ 0x09C5, 0x09C6 },
++	{ 0x09C9, 0x09CA },
++	{ 0x09CF, 0x09D6 },
++	{ 0x09D8, 0x09DB },
++	{ 0x09DE, 0x09DE },
++	{ 0x09E4, 0x09E5 },
++	{ 0x09FC, 0x0A00 },
++	{ 0x0A04, 0x0A04 },
++	{ 0x0A0B, 0x0A0E },
++	{ 0x0A11, 0x0A12 },
++	{ 0x0A29, 0x0A29 },
++	{ 0x0A31, 0x0A31 },
++	{ 0x0A34, 0x0A34 },
++	{ 0x0A37, 0x0A37 },
++	{ 0x0A3A, 0x0A3B },
++	{ 0x0A3D, 0x0A3D },
++	{ 0x0A43, 0x0A46 },
++	{ 0x0A49, 0x0A4A },
++	{ 0x0A4E, 0x0A50 },
++	{ 0x0A52, 0x0A58 },
++	{ 0x0A5D, 0x0A5D },
++	{ 0x0A5F, 0x0A65 },
++	{ 0x0A76, 0x0A80 },
++	{ 0x0A84, 0x0A84 },
++	{ 0x0A8E, 0x0A8E },
++	{ 0x0A92, 0x0A92 },
++	{ 0x0AA9, 0x0AA9 },
++	{ 0x0AB1, 0x0AB1 },
++	{ 0x0AB4, 0x0AB4 },
++	{ 0x0ABA, 0x0ABB },
++	{ 0x0AC6, 0x0AC6 },
++	{ 0x0ACA, 0x0ACA },
++	{ 0x0ACE, 0x0ACF },
++	{ 0x0AD1, 0x0ADF },
++	{ 0x0AE4, 0x0AE5 },
++	{ 0x0AF2, 0x0B00 },
++	{ 0x0B04, 0x0B04 },
++	{ 0x0B0D, 0x0B0E },
++	{ 0x0B11, 0x0B12 },
++	{ 0x0B29, 0x0B29 },
++	{ 0x0B31, 0x0B31 },
++	{ 0x0B34, 0x0B34 },
++	{ 0x0B3A, 0x0B3B },
++	{ 0x0B45, 0x0B46 },
++	{ 0x0B49, 0x0B4A },
++	{ 0x0B4E, 0x0B55 },
++	{ 0x0B58, 0x0B5B },
++	{ 0x0B5E, 0x0B5E },
++	{ 0x0B64, 0x0B65 },
++	{ 0x0B78, 0x0B81 },
++	{ 0x0B84, 0x0B84 },
++	{ 0x0B8B, 0x0B8D },
++	{ 0x0B91, 0x0B91 },
++	{ 0x0B96, 0x0B98 },
++	{ 0x0B9B, 0x0B9B },
++	{ 0x0B9D, 0x0B9D },
++	{ 0x0BA0, 0x0BA2 },
++	{ 0x0BA5, 0x0BA7 },
++	{ 0x0BAB, 0x0BAD },
++	{ 0x0BBA, 0x0BBD },
++	{ 0x0BC3, 0x0BC5 },
++	{ 0x0BC9, 0x0BC9 },
++	{ 0x0BCE, 0x0BCF },
++	{ 0x0BD1, 0x0BD6 },
++	{ 0x0BD8, 0x0BE5 },
++	{ 0x0BFB, 0x0C00 },
++	{ 0x0C04, 0x0C04 },
++	{ 0x0C0D, 0x0C0D },
++	{ 0x0C11, 0x0C11 },
++	{ 0x0C29, 0x0C29 },
++	{ 0x0C34, 0x0C34 },
++	{ 0x0C3A, 0x0C3C },
++	{ 0x0C45, 0x0C45 },
++	{ 0x0C49, 0x0C49 },
++	{ 0x0C4E, 0x0C54 },
++	{ 0x0C57, 0x0C57 },
++	{ 0x0C5A, 0x0C5F },
++	{ 0x0C64, 0x0C65 },
++	{ 0x0C70, 0x0C77 },
++	{ 0x0C80, 0x0C81 },
++	{ 0x0C84, 0x0C84 },
++	{ 0x0C8D, 0x0C8D },
++	{ 0x0C91, 0x0C91 },
++	{ 0x0CA9, 0x0CA9 },
++	{ 0x0CB4, 0x0CB4 },
++	{ 0x0CBA, 0x0CBB },
++	{ 0x0CC5, 0x0CC5 },
++	{ 0x0CC9, 0x0CC9 },
++	{ 0x0CCE, 0x0CD4 },
++	{ 0x0CD7, 0x0CDD },
++	{ 0x0CDF, 0x0CDF },
++	{ 0x0CE4, 0x0CE5 },
++	{ 0x0CF0, 0x0CF0 },
++	{ 0x0CF3, 0x0D01 },
++	{ 0x0D04, 0x0D04 },
++	{ 0x0D0D, 0x0D0D },
++	{ 0x0D11, 0x0D11 },
++	{ 0x0D3B, 0x0D3C },
++	{ 0x0D45, 0x0D45 },
++	{ 0x0D49, 0x0D49 },
++	{ 0x0D4F, 0x0D56 },
++	{ 0x0D58, 0x0D5F },
++	{ 0x0D64, 0x0D65 },
++	{ 0x0D76, 0x0D78 },
++	{ 0x0D80, 0x0D81 },
++	{ 0x0D84, 0x0D84 },
++	{ 0x0D97, 0x0D99 },
++	{ 0x0DB2, 0x0DB2 },
++	{ 0x0DBC, 0x0DBC },
++	{ 0x0DBE, 0x0DBF },
++	{ 0x0DC7, 0x0DC9 },
++	{ 0x0DCB, 0x0DCE },
++	{ 0x0DD5, 0x0DD5 },
++	{ 0x0DD7, 0x0DD7 },
++	{ 0x0DE0, 0x0DF1 },
++	{ 0x0DF5, 0x0E00 },
++	{ 0x0E3B, 0x0E3E },
++	{ 0x0E5C, 0x0E80 },
++	{ 0x0E83, 0x0E83 },
++	{ 0x0E85, 0x0E86 },
++	{ 0x0E89, 0x0E89 },
++	{ 0x0E8B, 0x0E8C },
++	{ 0x0E8E, 0x0E93 },
++	{ 0x0E98, 0x0E98 },
++	{ 0x0EA0, 0x0EA0 },
++	{ 0x0EA4, 0x0EA4 },
++	{ 0x0EA6, 0x0EA6 },
++	{ 0x0EA8, 0x0EA9 },
++	{ 0x0EAC, 0x0EAC },
++	{ 0x0EBA, 0x0EBA },
++	{ 0x0EBE, 0x0EBF },
++	{ 0x0EC5, 0x0EC5 },
++	{ 0x0EC7, 0x0EC7 },
++	{ 0x0ECE, 0x0ECF },
++	{ 0x0EDA, 0x0EDB },
++	{ 0x0EE0, 0x0EFF },
++	{ 0x0F48, 0x0F48 },
++	{ 0x0F6D, 0x0F70 },
++	{ 0x0F98, 0x0F98 },
++	{ 0x0FBD, 0x0FBD },
++	{ 0x0FCD, 0x0FCD },
++	{ 0x0FDB, 0x0FFF },
++	{ 0x10C6, 0x10C6 },
++	{ 0x10C8, 0x10CC },
++	{ 0x10CE, 0x10CF },
++	{ 0x1249, 0x1249 },
++	{ 0x124E, 0x124F },
++	{ 0x1257, 0x1257 },
++	{ 0x1259, 0x1259 },
++	{ 0x125E, 0x125F },
++	{ 0x1289, 0x1289 },
++	{ 0x128E, 0x128F },
++	{ 0x12B1, 0x12B1 },
++	{ 0x12B6, 0x12B7 },
++	{ 0x12BF, 0x12BF },
++	{ 0x12C1, 0x12C1 },
++	{ 0x12C6, 0x12C7 },
++	{ 0x12D7, 0x12D7 },
++	{ 0x1311, 0x1311 },
++	{ 0x1316, 0x1317 },
++	{ 0x135B, 0x135C },
++	{ 0x137D, 0x137F },
++	{ 0x139A, 0x139F },
++	{ 0x13F5, 0x13FF },
++	{ 0x169D, 0x169F },
++	{ 0x16F1, 0x16FF },
++	{ 0x170D, 0x170D },
++	{ 0x1715, 0x171F },
++	{ 0x1737, 0x173F },
++	{ 0x1754, 0x175F },
++	{ 0x176D, 0x176D },
++	{ 0x1771, 0x1771 },
++	{ 0x1774, 0x177F },
++	{ 0x17DE, 0x17DF },
++	{ 0x17EA, 0x17EF },
++	{ 0x17FA, 0x17FF },
++	{ 0x180F, 0x180F },
++	{ 0x181A, 0x181F },
++	{ 0x1878, 0x187F },
++	{ 0x18AB, 0x18AF },
++	{ 0x18F6, 0x18FF },
++	{ 0x191D, 0x191F },
++	{ 0x192C, 0x192F },
++	{ 0x193C, 0x193F },
++	{ 0x1941, 0x1943 },
++	{ 0x196E, 0x196F },
++	{ 0x1975, 0x197F },
++	{ 0x19AC, 0x19AF },
++	{ 0x19CA, 0x19CF },
++	{ 0x19DB, 0x19DD },
++	{ 0x1A1C, 0x1A1D },
++	{ 0x1A5F, 0x1A5F },
++	{ 0x1A7D, 0x1A7E },
++	{ 0x1A8A, 0x1A8F },
++	{ 0x1A9A, 0x1A9F },
++	{ 0x1AAE, 0x1AFF },
++	{ 0x1B4C, 0x1B4F },
++	{ 0x1B7D, 0x1B7F },
++	{ 0x1BF4, 0x1BFB },
++	{ 0x1C38, 0x1C3A },
++	{ 0x1C4A, 0x1C4C },
++	{ 0x1C80, 0x1CBF },
++	{ 0x1CC8, 0x1CCF },
++	{ 0x1CF7, 0x1CFF },
++	{ 0x1DE7, 0x1DFB },
++	{ 0x1F16, 0x1F17 },
++	{ 0x1F1E, 0x1F1F },
++	{ 0x1F46, 0x1F47 },
++	{ 0x1F4E, 0x1F4F },
++	{ 0x1F58, 0x1F58 },
++	{ 0x1F5A, 0x1F5A },
++	{ 0x1F5C, 0x1F5C },
++	{ 0x1F5E, 0x1F5E },
++	{ 0x1F7E, 0x1F7F },
++	{ 0x1FB5, 0x1FB5 },
++	{ 0x1FC5, 0x1FC5 },
++	{ 0x1FD4, 0x1FD5 },
++	{ 0x1FDC, 0x1FDC },
++	{ 0x1FF0, 0x1FF1 },
++	{ 0x1FF5, 0x1FF5 },
++	{ 0x1FFF, 0x1FFF },
++	{ 0x2065, 0x2069 },
++	{ 0x2072, 0x2073 },
++	{ 0x208F, 0x208F },
++	{ 0x209D, 0x209F },
++	{ 0x20BB, 0x20CF },
++	{ 0x20F1, 0x20FF },
++	{ 0x218A, 0x218F },
++	{ 0x23F4, 0x23FF },
++	{ 0x2427, 0x243F },
++	{ 0x244B, 0x245F },
++	{ 0x2700, 0x2700 },
++	{ 0x2B4D, 0x2B4F },
++	{ 0x2B5A, 0x2BFF },
++	{ 0x2C2F, 0x2C2F },
++	{ 0x2C5F, 0x2C5F },
++	{ 0x2CF4, 0x2CF8 },
++	{ 0x2D26, 0x2D26 },
++	{ 0x2D28, 0x2D2C },
++	{ 0x2D2E, 0x2D2F },
++	{ 0x2D68, 0x2D6E },
++	{ 0x2D71, 0x2D7E },
++	{ 0x2D97, 0x2D9F },
++	{ 0x2DA7, 0x2DA7 },
++	{ 0x2DAF, 0x2DAF },
++	{ 0x2DB7, 0x2DB7 },
++	{ 0x2DBF, 0x2DBF },
++	{ 0x2DC7, 0x2DC7 },
++	{ 0x2DCF, 0x2DCF },
++	{ 0x2DD7, 0x2DD7 },
++	{ 0x2DDF, 0x2DDF },
++	{ 0x2E3C, 0x2E7F },
++	{ 0x2E9A, 0x2E9A },
++	{ 0x2EF4, 0x2EFF },
++	{ 0x2FD6, 0x2FEF },
++	{ 0x2FFC, 0x2FFF },
++	{ 0x3040, 0x3040 },
++	{ 0x3097, 0x3098 },
++	{ 0x3100, 0x3104 },
++	{ 0x312E, 0x3130 },
++	{ 0x318F, 0x318F },
++	{ 0x31BB, 0x31BF },
++	{ 0x31E4, 0x31EF },
++	{ 0x321F, 0x321F },
++	{ 0x32FF, 0x32FF },
++	{ 0x4DB6, 0x4DBF },
++	{ 0x9FA6, 0x9FCB },
++	{ 0x9FCD, 0x9FFF },
++	{ 0xA48D, 0xA48F },
++	{ 0xA4C7, 0xA4CF },
++	{ 0xA62C, 0xA63F },
++	{ 0xA698, 0xA69E },
++	{ 0xA6F8, 0xA6FF },
++	{ 0xA78F, 0xA78F },
++	{ 0xA794, 0xA79F },
++	{ 0xA7AB, 0xA7F7 },
++	{ 0xA82C, 0xA82F },
++	{ 0xA83A, 0xA83F },
++	{ 0xA878, 0xA87F },
++	{ 0xA8C5, 0xA8CD },
++	{ 0xA8DA, 0xA8DF },
++	{ 0xA8FC, 0xA8FF },
++	{ 0xA954, 0xA95E },
++	{ 0xA97D, 0xA97F },
++	{ 0xA9CE, 0xA9CE },
++	{ 0xA9DA, 0xA9DD },
++	{ 0xA9E0, 0xA9FF },
++	{ 0xAA37, 0xAA3F },
++	{ 0xAA4E, 0xAA4F },
++	{ 0xAA5A, 0xAA5B },
++	{ 0xAA7C, 0xAA7F },
++	{ 0xAAC3, 0xAADA },
++	{ 0xAAF7, 0xAB00 },
++	{ 0xAB07, 0xAB08 },
++	{ 0xAB0F, 0xAB10 },
++	{ 0xAB17, 0xAB1F },
++	{ 0xAB27, 0xAB27 },
++	{ 0xAB2F, 0xABBF },
++	{ 0xABEE, 0xABEF },
++	{ 0xABFA, 0xABFF },
++	{ 0xD7A4, 0xD7AF },
++	{ 0xD7C7, 0xD7CA },
++	{ 0xD7FC, 0xD7FF },
++	{ 0xFA6E, 0xFA6F },
++	{ 0xFADA, 0xFAFF },
++	{ 0xFB07, 0xFB12 },
++	{ 0xFB18, 0xFB1C },
++	{ 0xFB37, 0xFB37 },
++	{ 0xFB3D, 0xFB3D },
++	{ 0xFB3F, 0xFB3F },
++	{ 0xFB42, 0xFB42 },
++	{ 0xFB45, 0xFB45 },
++	{ 0xFBC2, 0xFBD2 },
++	{ 0xFD40, 0xFD4F },
++	{ 0xFD90, 0xFD91 },
++	{ 0xFDC8, 0xFDCF },
++	{ 0xFDFE, 0xFDFF },
++	{ 0xFE1A, 0xFE1F },
++	{ 0xFE27, 0xFE2F },
++	{ 0xFE53, 0xFE53 },
++	{ 0xFE67, 0xFE67 },
++	{ 0xFE6C, 0xFE6F },
++	{ 0xFE75, 0xFE75 },
++	{ 0xFEFD, 0xFEFE },
++	{ 0xFF00, 0xFF00 },
++	{ 0xFFBF, 0xFFC1 },
++	{ 0xFFC8, 0xFFC9 },
++	{ 0xFFD0, 0xFFD1 },
++	{ 0xFFD8, 0xFFD9 },
++	{ 0xFFDD, 0xFFDF },
++	{ 0xFFE7, 0xFFE7 },
++	{ 0xFFEF, 0xFFF8 },
++	{ 0x1000C, 0x1000C },
++	{ 0x10027, 0x10027 },
++	{ 0x1003B, 0x1003B },
++	{ 0x1003E, 0x1003E },
++	{ 0x1004E, 0x1004F },
++	{ 0x1005E, 0x1007F },
++	{ 0x100FB, 0x100FF },
++	{ 0x10103, 0x10106 },
++	{ 0x10134, 0x10136 },
++	{ 0x1018B, 0x1018F },
++	{ 0x1019C, 0x101CF },
++	{ 0x101FE, 0x1027F },
++	{ 0x1029D, 0x1029F },
++	{ 0x102D1, 0x102FF },
++	{ 0x1031F, 0x1031F },
++	{ 0x10324, 0x1032F },
++	{ 0x1034B, 0x1037F },
++	{ 0x1039E, 0x1039E },
++	{ 0x103C4, 0x103C7 },
++	{ 0x103D6, 0x103FF },
++	{ 0x1049E, 0x1049F },
++	{ 0x104AA, 0x107FF },
++	{ 0x10806, 0x10807 },
++	{ 0x10809, 0x10809 },
++	{ 0x10836, 0x10836 },
++	{ 0x10839, 0x1083B },
++	{ 0x1083D, 0x1083E },
++	{ 0x10856, 0x10856 },
++	{ 0x10860, 0x108FF },
++	{ 0x1091C, 0x1091E },
++	{ 0x1093A, 0x1093E },
++	{ 0x10940, 0x1097F },
++	{ 0x109B8, 0x109BD },
++	{ 0x109C0, 0x109FF },
++	{ 0x10A04, 0x10A04 },
++	{ 0x10A07, 0x10A0B },
++	{ 0x10A14, 0x10A14 },
++	{ 0x10A18, 0x10A18 },
++	{ 0x10A34, 0x10A37 },
++	{ 0x10A3B, 0x10A3E },
++	{ 0x10A48, 0x10A4F },
++	{ 0x10A59, 0x10A5F },
++	{ 0x10A80, 0x10AFF },
++	{ 0x10B36, 0x10B38 },
++	{ 0x10B56, 0x10B57 },
++	{ 0x10B73, 0x10B77 },
++	{ 0x10B80, 0x10BFF },
++	{ 0x10C49, 0x10E5F },
++	{ 0x10E7F, 0x10FFF },
++	{ 0x1104E, 0x11051 },
++	{ 0x11070, 0x1107F },
++	{ 0x110C2, 0x110CF },
++	{ 0x110E9, 0x110EF },
++	{ 0x110FA, 0x110FF },
++	{ 0x11135, 0x11135 },
++	{ 0x11144, 0x1117F },
++	{ 0x111C9, 0x111CF },
++	{ 0x111DA, 0x1167F },
++	{ 0x116B8, 0x116BF },
++	{ 0x116CA, 0x11FFF },
++	{ 0x1236F, 0x123FF },
++	{ 0x12463, 0x1246F },
++	{ 0x12474, 0x12FFF },
++	{ 0x1342F, 0x167FF },
++	{ 0x16A39, 0x16EFF },
++	{ 0x16F45, 0x16F4F },
++	{ 0x16F7F, 0x16F8E },
++	{ 0x16FA0, 0x1AFFF },
++	{ 0x1B002, 0x1CFFF },
++	{ 0x1D0F6, 0x1D0FF },
++	{ 0x1D127, 0x1D128 },
++	{ 0x1D1DE, 0x1D1FF },
++	{ 0x1D246, 0x1D2FF },
++	{ 0x1D357, 0x1D35F },
++	{ 0x1D372, 0x1D3FF },
++	{ 0x1D455, 0x1D455 },
++	{ 0x1D49D, 0x1D49D },
++	{ 0x1D4A0, 0x1D4A1 },
++	{ 0x1D4A3, 0x1D4A4 },
++	{ 0x1D4A7, 0x1D4A8 },
++	{ 0x1D4AD, 0x1D4AD },
++	{ 0x1D4BA, 0x1D4BA },
++	{ 0x1D4BC, 0x1D4BC },
++	{ 0x1D4C4, 0x1D4C4 },
++	{ 0x1D506, 0x1D506 },
++	{ 0x1D50B, 0x1D50C },
++	{ 0x1D515, 0x1D515 },
++	{ 0x1D51D, 0x1D51D },
++	{ 0x1D53A, 0x1D53A },
++	{ 0x1D53F, 0x1D53F },
++	{ 0x1D545, 0x1D545 },
++	{ 0x1D547, 0x1D549 },
++	{ 0x1D551, 0x1D551 },
++	{ 0x1D6A6, 0x1D6A7 },
++	{ 0x1D7CC, 0x1D7CD },
++	{ 0x1D800, 0x1EDFF },
++	{ 0x1EE04, 0x1EE04 },
++	{ 0x1EE20, 0x1EE20 },
++	{ 0x1EE23, 0x1EE23 },
++	{ 0x1EE25, 0x1EE26 },
++	{ 0x1EE28, 0x1EE28 },
++	{ 0x1EE33, 0x1EE33 },
++	{ 0x1EE38, 0x1EE38 },
++	{ 0x1EE3A, 0x1EE3A },
++	{ 0x1EE3C, 0x1EE41 },
++	{ 0x1EE43, 0x1EE46 },
++	{ 0x1EE48, 0x1EE48 },
++	{ 0x1EE4A, 0x1EE4A },
++	{ 0x1EE4C, 0x1EE4C },
++	{ 0x1EE50, 0x1EE50 },
++	{ 0x1EE53, 0x1EE53 },
++	{ 0x1EE55, 0x1EE56 },
++	{ 0x1EE58, 0x1EE58 },
++	{ 0x1EE5A, 0x1EE5A },
++	{ 0x1EE5C, 0x1EE5C },
++	{ 0x1EE5E, 0x1EE5E },
++	{ 0x1EE60, 0x1EE60 },
++	{ 0x1EE63, 0x1EE63 },
++	{ 0x1EE65, 0x1EE66 },
++	{ 0x1EE6B, 0x1EE6B },
++	{ 0x1EE73, 0x1EE73 },
++	{ 0x1EE78, 0x1EE78 },
++	{ 0x1EE7D, 0x1EE7D },
++	{ 0x1EE7F, 0x1EE7F },
++	{ 0x1EE8A, 0x1EE8A },
++	{ 0x1EE9C, 0x1EEA0 },
++	{ 0x1EEA4, 0x1EEA4 },
++	{ 0x1EEAA, 0x1EEAA },
++	{ 0x1EEBC, 0x1EEEF },
++	{ 0x1EEF2, 0x1EFFF },
++	{ 0x1F02C, 0x1F02F },
++	{ 0x1F094, 0x1F09F },
++	{ 0x1F0AF, 0x1F0B0 },
++	{ 0x1F0BF, 0x1F0C0 },
++	{ 0x1F0D0, 0x1F0D0 },
++	{ 0x1F0E0, 0x1F0FF },
++	{ 0x1F10B, 0x1F10F },
++	{ 0x1F12F, 0x1F12F },
++	{ 0x1F16C, 0x1F16F },
++	{ 0x1F19B, 0x1F1E5 },
++	{ 0x1F203, 0x1F20F },
++	{ 0x1F23B, 0x1F23F },
++	{ 0x1F249, 0x1F24F },
++	{ 0x1F252, 0x1F2FF },
++	{ 0x1F321, 0x1F32F },
++	{ 0x1F336, 0x1F336 },
++	{ 0x1F37D, 0x1F37F },
++	{ 0x1F394, 0x1F39F },
++	{ 0x1F3C5, 0x1F3C5 },
++	{ 0x1F3CB, 0x1F3DF },
++	{ 0x1F3F1, 0x1F3FF },
++	{ 0x1F43F, 0x1F43F },
++	{ 0x1F441, 0x1F441 },
++	{ 0x1F4F8, 0x1F4F8 },
++	{ 0x1F4FD, 0x1F4FF },
++	{ 0x1F53E, 0x1F53F },
++	{ 0x1F544, 0x1F54F },
++	{ 0x1F568, 0x1F5FA },
++	{ 0x1F641, 0x1F644 },
++	{ 0x1F650, 0x1F67F },
++	{ 0x1F6C6, 0x1F6FF },
++	{ 0x1F774, 0x1FFFD },
++	{ 0x2A6D7, 0x2A6FF },
++	{ 0x2A701, 0x2B733 },
++	{ 0x2B735, 0x2B73F },
++	{ 0x2B741, 0x2B81C },
++	{ 0x2B81E, 0x2F7FF },
++	{ 0x2FA1E, 0x2FFFD },
++	{ 0x30000, 0x3FFFD },
++	{ 0x40000, 0x4FFFD },
++	{ 0x50000, 0x5FFFD },
++	{ 0x60000, 0x6FFFD },
++	{ 0x70000, 0x7FFFD },
++	{ 0x80000, 0x8FFFD },
++	{ 0x90000, 0x9FFFD },
++	{ 0xA0000, 0xAFFFD },
++	{ 0xB0000, 0xBFFFD },
++	{ 0xC0000, 0xCFFFD },
++	{ 0xD0000, 0xDFFFD },
++	{ 0xE0000, 0xE0000 },
++	{ 0xE0002, 0xE001F },
++	{ 0xE0080, 0xE00FF },
++	{ 0xE01F0, 0xEFFFD },
++};
++
++/* RFC3454 Table B.1 */
++static const struct u32_range map_to_nothing[] = {
++	{ 0x00AD, 0x00AD },
++	{ 0x034F, 0x034F },
++	{ 0x1806, 0x1806 },
++	{ 0x180B, 0x180D },
++	{ 0x200B, 0x200D },
++	{ 0x2060, 0x2060 },
++	{ 0xFE00, 0xFE0F },
++	{ 0xFEFF, 0xFEFF },
++};
++
++/* Local: allow tab, CR and LF */
++static const struct u32_range whitelist[] = {
++	{ 0x09, 0x09 },
++	{ 0x0a, 0x0a },
++	{ 0x0d, 0x0d },
++};
++
++/* RFC3454 Tables in appendix C */
++static const struct u32_range prohibited[] = {
++	/* C.2.1 ASCII control characters */
++	{ 0x0000, 0x001F },
++	{ 0x007F, 0x007F },
++	/* C.2.2 Non-ASCII control characters */
++	{ 0x0080, 0x009F },
++	{ 0x06DD, 0x06DD },
++	{ 0x070F, 0x070F },
++	{ 0x180E, 0x180E },
++	{ 0x200C, 0x200C },
++	{ 0x200D, 0x200D },
++	{ 0x2028, 0x2028 },
++	{ 0x2029, 0x2029 },
++	{ 0x2060, 0x2060 },
++	{ 0x2061, 0x2061 },
++	{ 0x2062, 0x2062 },
++	{ 0x2063, 0x2063 },
++	{ 0x206A, 0x206F },
++	{ 0xFEFF, 0xFEFF },
++	{ 0xFFF9, 0xFFFC },
++	{ 0x1D173, 0x1D17A },
++	/* C.3 Private use */
++	{ 0xE000, 0xF8FF },
++	{ 0xF0000, 0xFFFFD },
++	{ 0x100000, 0x10FFFD },
++	/* C.4 Non-character code points */
++	{ 0xFDD0, 0xFDEF },
++	{ 0xFFFE, 0xFFFF },
++	{ 0x1FFFE, 0x1FFFF },
++	{ 0x2FFFE, 0x2FFFF },
++	{ 0x3FFFE, 0x3FFFF },
++	{ 0x4FFFE, 0x4FFFF },
++	{ 0x5FFFE, 0x5FFFF },
++	{ 0x6FFFE, 0x6FFFF },
++	{ 0x7FFFE, 0x7FFFF },
++	{ 0x8FFFE, 0x8FFFF },
++	{ 0x9FFFE, 0x9FFFF },
++	{ 0xAFFFE, 0xAFFFF },
++	{ 0xBFFFE, 0xBFFFF },
++	{ 0xCFFFE, 0xCFFFF },
++	{ 0xDFFFE, 0xDFFFF },
++	{ 0xEFFFE, 0xEFFFF },
++	{ 0xFFFFE, 0xFFFFF },
++	{ 0x10FFFE, 0x10FFFF },
++	/* C.5 Surrogate codes */
++	{ 0xD800, 0xDFFF },
++	/* C.6 Inappropriate for plain text */
++	{ 0xFFF9, 0xFFF9 },
++	{ 0xFFFA, 0xFFFA },
++	{ 0xFFFB, 0xFFFB },
++	{ 0xFFFC, 0xFFFC },
++	{ 0xFFFD, 0xFFFD },
++	/* C.7 Inappropriate for canonical representation */
++	{ 0x2FF0, 0x2FFB },
++	/* C.8 Change display properties or are deprecated */
++	{ 0x0340, 0x0340 },
++	{ 0x0341, 0x0341 },
++	{ 0x200E, 0x200E },
++	{ 0x200F, 0x200F },
++	{ 0x202A, 0x202A },
++	{ 0x202B, 0x202B },
++	{ 0x202C, 0x202C },
++	{ 0x202D, 0x202D },
++	{ 0x202E, 0x202E },
++	{ 0x206A, 0x206A },
++	{ 0x206B, 0x206B },
++	{ 0x206C, 0x206C },
++	{ 0x206D, 0x206D },
++	{ 0x206E, 0x206E },
++	{ 0x206F, 0x206F },
++	/* C.9 Tagging characters */
++	{ 0xE0001, 0xE0001 },
++	{ 0xE0020, 0xE007F },
++};
++
+diff --git a/utf8_stringprep.c b/utf8_stringprep.c
+new file mode 100644
+index 0000000..bcafae7
+--- /dev/null
++++ b/utf8_stringprep.c
+@@ -0,0 +1,229 @@
++/*
++ * Copyright (c) 2013 Damien Miller <djm at mindrot.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.
++ */
++
++/*
++ * This is a simple RFC3454 stringprep profile to sanitise UTF-8 strings
++ * from untrusted sources.
++ *
++ * It is intended to be used prior to display of untrusted strings only.
++ * It should not be used for logging because of bi-di ambiguity. It
++ * should also not be used in any case where lack of normalisation may
++ * cause problems.
++ *
++ * This profile uses the prohibition and mapping tables from RFC3454
++ * (listed below) but the unassigned character table has been updated to
++ * Unicode 6.2. It uses a local whitelist of whitespace characters (\n,
++ * \a and \t). Unicode normalisation and bi-di testing are not used.
++ *
++ * XXX: implement bi-di handling (needed for logs)
++ * XXX: implement KC normalisation (needed for passing to libs/syscalls)
++ */
++
++#include <sys/types.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <limits.h>
++#include <ctype.h>
++
++#include "misc.h"
++
++struct u32_range {
++	u_int32_t lo, hi;  /* Inclusive */
++};
++
++#include "stringprep-tables.c"
++
++/* Returns 1 if code 'c' appears in the table or 0 otherwise */
++static int
++code_in_table(u_int32_t c, const struct u32_range *table, size_t tlen)
++{
++	const struct u32_range *e, *end = (void *)(tlen + (char *)table);
++
++	for (e = table; e < end; e++) {
++		if (c >= e->lo && c <= e->hi)
++			return 1;
++	}
++	return 0;
++}
++
++/*
++ * Decode the next valid UCS character from a UTF-8 string, skipping past bad
++ * codes. Returns the decoded character or 0 for end-of-string and updates
++ * nextc to point to the start of the next character (if any).
++ * had_error is set if an invalid code was encountered.
++ */
++static u_int32_t
++decode_utf8(const char *in, const char **nextc, int *had_error)
++{
++	int state = 0;
++	size_t i;
++	u_int32_t c, e;
++
++	e = c = 0;
++	for (i = 0; in[i] != '\0'; i++) {
++		e = (u_char)in[i];
++		/* Invalid code point state */
++		if (state == -1) {
++			/*
++			 * Continue eating continuation characters until
++			 * a new start character comes along.
++			 */
++			if ((e & 0xc0) == 0x80)
++				continue;
++			state = 0;
++		}
++
++		/* New code point state */
++		if (state == 0) {
++			if ((e & 0x80) == 0) { /* 7 bit code */
++				c = e & 0x7f;
++				goto have_code;
++			} else if ((e & 0xe0) == 0xc0) { /* 11 bit code point */
++				state = 1;
++				c = (e & 0x1f) << 6;
++			} else if ((e & 0xf0) == 0xe0) { /* 16 bit code point */
++				state = 2;
++				c = (e & 0xf) << 12;
++			} else if ((e & 0xf8) == 0xf0) { /* 21 bit code point */
++				state = 3;
++				c = (e & 0x7) << 18;
++			} else {
++				/* A five or six byte header, or 0xff */
++				goto bad_encoding;
++			}
++			/*
++			 * Check that the header byte has some non-zero data
++			 * after masking off the length marker. If not it is
++			 * an invalid encoding.
++			 */
++			if (c == 0) {
++ bad_encoding:
++				c = 0;
++				state = -1;
++				if (had_error != NULL)
++					*had_error = 1;
++			}
++			continue;
++		}
++
++		/* Sanity check: should never happen */
++		if (state < 1 || state > 5) {
++			*nextc = NULL;
++			if (had_error != NULL)
++				*had_error = 1;
++			return 0;
++		}
++		/* Multibyte code point state */
++		state--;
++		c |= (e & 0x3f) << (state * 6);	
++		if (state > 0)
++			continue;
++
++		/* RFC3629 bans codepoints > U+10FFFF */
++		if (c > 0x10FFFF) {
++			if (had_error != NULL)
++				*had_error = 1;
++			continue;
++		}
++ have_code:
++		*nextc = in + i + 1;
++		return c;
++	}
++	if (state != 0 && had_error != NULL)
++		*had_error = 1;
++	*nextc = in + i;
++	return 0;
++}
++
++/*
++ * Attempt to encode a UCS character as a UTF-8 sequence. Returns the number
++ * of characters used or -1 on error (insufficient space or bad code).
++ */
++static int
++encode_utf8(u_int32_t c, char *s, size_t slen)
++{
++	size_t i, need;
++	u_char h;
++
++	if (c < 0x80) {
++		if (slen >= 1) {
++			s[0] = (char)c;
++		}
++		return 1;
++	} else if (c < 0x800) {
++		need = 2;
++		h = 0xc0;
++	} else if (c < 0x10000) {
++		need = 3;
++		h = 0xe0;
++	} else if (c < 0x200000) {
++		need = 4;
++		h = 0xf0;
++	} else {
++		/* Invalid code point > U+10FFFF */
++		return -1;
++	}
++	if (need > slen)
++		return -1;
++	for (i = 0; i < need; i++) {
++		s[i] = (i == 0 ? h : 0x80);
++		s[i] |= (c >> (need - i - 1) * 6) & 0x3f;
++	}
++	return need;
++}
++
++
++/*
++ * Normalise a UTF-8 string using the RFC3454 stringprep algorithm.
++ * Returns 0 on success or -1 on failure (prohibited code or insufficient
++ * length in the output string.
++ * Requires an output buffer at most the same length as the input.
++ */
++int
++utf8_stringprep(const char *in, char *out, size_t olen)
++{
++	int r;
++	size_t o;
++	u_int32_t c;
++
++	if (olen < 1)
++		return -1;
++
++	for (o = 0; (c = decode_utf8(in, &in, NULL)) != 0;) {
++		/* Mapping */
++		if (code_in_table(c, map_to_nothing, sizeof(map_to_nothing)))
++			continue;
++
++		/* Prohibitied output */
++		if (code_in_table(c, prohibited, sizeof(prohibited)) &&
++		    !code_in_table(c, whitelist, sizeof(whitelist)))
++			return -1;
++
++		/* Map unassigned code points to U+FFFD */
++		if (code_in_table(c, unassigned, sizeof(unassigned)))
++			c = 0xFFFD;
++
++		/* Encode the character */
++		r = encode_utf8(c, out + o, olen - o - 1);
++		if (r < 0)
++			return -1;
++		o += r;
++	}
++	out[o] = '\0';
++	return 0;
++}
++
diff --git a/openssh-6.6p1-audit.patch b/openssh-6.6p1-audit.patch
index f205436..b83b46a 100644
--- a/openssh-6.6p1-audit.patch
+++ b/openssh-6.6p1-audit.patch
@@ -1,11 +1,11 @@
 diff --git a/Makefile.in b/Makefile.in
-index 2ad26ff..3bb7f00 100644
+index 0f0d39f..9d8c2eb 100644
 --- a/Makefile.in
 +++ b/Makefile.in
 @@ -82,7 +82,8 @@ LIBSSH_OBJS=authfd.o authfile.o bufaux.o bufbn.o buffer.o \
  	ssh-pkcs11.o krl.o smult_curve25519_ref.o \
  	kexc25519.o kexc25519c.o poly1305.o chacha.o cipher-chachapoly.o \
- 	ssh-ed25519.o digest-openssl.o hmac.o \
+ 	ssh-ed25519.o digest-openssl.o hmac.o utf8_stringprep.o \
 -	sc25519.o ge25519.o fe25519.o ed25519.o verify.o hash.o blocks.o
 +	sc25519.o ge25519.o fe25519.o ed25519.o verify.o hash.o blocks.o \
 +	auditstub.o
@@ -1860,10 +1860,10 @@ index f8edf85..c36c812 100644
 +void	 packet_destroy_all(int, int);
  #endif				/* PACKET_H */
 diff --git a/session.c b/session.c
-index ba4589b..4a297f1 100644
+index e4add93..626a642 100644
 --- a/session.c
 +++ b/session.c
-@@ -137,7 +137,7 @@ extern int log_stderr;
+@@ -138,7 +138,7 @@ extern int log_stderr;
  extern int debug_flag;
  extern u_int utmp_len;
  extern int startup_pipe;
@@ -1872,7 +1872,7 @@ index ba4589b..4a297f1 100644
  extern Buffer loginmsg;
  
  /* original command from peer. */
-@@ -745,6 +745,14 @@ do_exec_pty(Session *s, const char *command)
+@@ -746,6 +746,14 @@ do_exec_pty(Session *s, const char *command)
  	/* Parent.  Close the slave side of the pseudo tty. */
  	close(ttyfd);
  
@@ -1887,7 +1887,7 @@ index ba4589b..4a297f1 100644
  	/* Enter interactive session. */
  	s->ptymaster = ptymaster;
  	packet_set_interactive(1, 
-@@ -862,15 +870,19 @@ do_exec(Session *s, const char *command)
+@@ -863,15 +871,19 @@ do_exec(Session *s, const char *command)
  	    get_remote_port());
  
  #ifdef SSH_AUDIT_EVENTS
@@ -1909,7 +1909,7 @@ index ba4589b..4a297f1 100644
  #endif
  	if (s->ttyfd != -1)
  		ret = do_exec_pty(s, command);
-@@ -1707,7 +1719,10 @@ do_child(Session *s, const char *command)
+@@ -1708,7 +1720,10 @@ do_child(Session *s, const char *command)
  	int r = 0;
  
  	/* remove hostkey from the child's memory */
@@ -1921,7 +1921,7 @@ index ba4589b..4a297f1 100644
  
  	/* Force a password change */
  	if (s->authctxt->force_pwchange) {
-@@ -1931,6 +1946,7 @@ session_unused(int id)
+@@ -1932,6 +1947,7 @@ session_unused(int id)
  	sessions[id].ttyfd = -1;
  	sessions[id].ptymaster = -1;
  	sessions[id].x11_chanids = NULL;
@@ -1929,7 +1929,7 @@ index ba4589b..4a297f1 100644
  	sessions[id].next_unused = sessions_first_unused;
  	sessions_first_unused = id;
  }
-@@ -2013,6 +2029,19 @@ session_open(Authctxt *authctxt, int chanid)
+@@ -2014,6 +2030,19 @@ session_open(Authctxt *authctxt, int chanid)
  }
  
  Session *
@@ -1949,7 +1949,7 @@ index ba4589b..4a297f1 100644
  session_by_tty(char *tty)
  {
  	int i;
-@@ -2529,6 +2558,30 @@ session_exit_message(Session *s, int status)
+@@ -2530,6 +2559,30 @@ session_exit_message(Session *s, int status)
  		chan_write_failed(c);
  }
  
@@ -1980,7 +1980,7 @@ index ba4589b..4a297f1 100644
  void
  session_close(Session *s)
  {
-@@ -2537,6 +2590,10 @@ session_close(Session *s)
+@@ -2538,6 +2591,10 @@ session_close(Session *s)
  	debug("session_close: session %d pid %ld", s->self, (long)s->pid);
  	if (s->ttyfd != -1)
  		session_pty_cleanup(s);
@@ -1991,7 +1991,7 @@ index ba4589b..4a297f1 100644
  	free(s->term);
  	free(s->display);
  	free(s->x11_chanids);
-@@ -2751,6 +2808,15 @@ do_authenticated2(Authctxt *authctxt)
+@@ -2752,6 +2809,15 @@ do_authenticated2(Authctxt *authctxt)
  	server_loop2(authctxt);
  }
  
@@ -2007,7 +2007,7 @@ index ba4589b..4a297f1 100644
  void
  do_cleanup(Authctxt *authctxt)
  {
-@@ -2799,5 +2865,5 @@ do_cleanup(Authctxt *authctxt)
+@@ -2800,5 +2866,5 @@ do_cleanup(Authctxt *authctxt)
  	 * or if running in monitor.
  	 */
  	if (!use_privsep || mm_is_monitor())
diff --git a/openssh-6.6p1-fips.patch b/openssh-6.6p1-fips.patch
index 2869d2f..9227b37 100644
--- a/openssh-6.6p1-fips.patch
+++ b/openssh-6.6p1-fips.patch
@@ -366,7 +366,7 @@ index 770ad28..9d4fc6d 100644
  		break;
  	default:
 diff --git a/key.c b/key.c
-index 62f3edb..c13b644 100644
+index 62f3edb..a2050f6 100644
 --- a/key.c
 +++ b/key.c
 @@ -42,6 +42,7 @@
@@ -394,6 +394,19 @@ index 62f3edb..c13b644 100644
  		rv_defined = 1;
  	}
  	return rv;
+@@ -1168,8 +1173,11 @@ rsa_generate_private_key(u_int bits)
+ 		fatal("%s: BN_new failed", __func__);
+ 	if (!BN_set_word(f4, RSA_F4))
+ 		fatal("%s: BN_new failed", __func__);
+-	if (!RSA_generate_key_ex(private, bits, f4, NULL))
++	if (!RSA_generate_key_ex(private, bits, f4, NULL)) {
++		if (FIPS_mode())
++			logit("%s: the key length might be unsupported by FIPS mode approved key generation method", __func__);
+ 		fatal("%s: key generation failed.", __func__);
++	}
+ 	BN_free(f4);
+ 	return private;
+ }
 diff --git a/mac.c b/mac.c
 index 9388af4..cd7b034 100644
 --- a/mac.c
@@ -500,25 +513,23 @@ index 3a0f5ae..4f35a44 100644
  static char *myproposal[PROPOSAL_MAX] = {
  	KEX_DEFAULT_KEX,
 diff --git a/ssh-keygen.c b/ssh-keygen.c
-index 482dc1c..fd2eb94 100644
+index 66198e6..ccf22c8 100644
 --- a/ssh-keygen.c
 +++ b/ssh-keygen.c
-@@ -195,6 +195,14 @@ type_bits_valid(int type, u_int32_t *bitsp)
+@@ -195,6 +195,12 @@ type_bits_valid(int type, u_int32_t *bitsp)
  		fprintf(stderr, "key bits exceeds maximum %d\n", maxbits);
  		exit(1);
  	}
 +	if (FIPS_mode()) {
 +		if (type == KEY_DSA)
 +			fatal("DSA keys are not allowed in FIPS mode");
-+		if (type == KEY_RSA && bits != 2048 && bits != 3072)
-+			fatal("RSA keys must be either 2048 bits or 3072 bits in FIPS mode");
 +		if (type == KEY_ED25519)
 +			fatal("ED25519 keys are not allowed in FIPS mode");
 +	}
  	if (type == KEY_DSA && *bitsp != 1024)
  		fatal("DSA keys must be 1024 bits");
  	else if (type != KEY_ECDSA && type != KEY_ED25519 && *bitsp < 768)
-@@ -746,7 +754,7 @@ do_download(struct passwd *pw)
+@@ -746,7 +752,7 @@ do_download(struct passwd *pw)
  	enum fp_type fptype;
  	char *fp, *ra;
  
@@ -527,7 +538,7 @@ index 482dc1c..fd2eb94 100644
  	rep =    print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX;
  
  	pkcs11_init(0);
-@@ -756,8 +764,7 @@ do_download(struct passwd *pw)
+@@ -756,8 +762,7 @@ do_download(struct passwd *pw)
  	for (i = 0; i < nkeys; i++) {
  		if (print_fingerprint) {
  			fp = key_fingerprint(keys[i], fptype, rep);
diff --git a/openssh-6.6p1-set_remote_ipaddr.patch b/openssh-6.6p1-set_remote_ipaddr.patch
new file mode 100644
index 0000000..166e569
--- /dev/null
+++ b/openssh-6.6p1-set_remote_ipaddr.patch
@@ -0,0 +1,87 @@
+diff --git a/canohost.c b/canohost.c
+index 97ce58c..1f9320a 100644
+--- a/canohost.c
++++ b/canohost.c
+@@ -338,6 +338,21 @@ clear_cached_addr(void)
+ 	cached_port = -1;
+ }
+ 
++void set_remote_ipaddr(void) {
++	if (canonical_host_ip != NULL)
++		free(canonical_host_ip);
++
++	if (packet_connection_is_on_socket()) {
++		canonical_host_ip =
++		    get_peer_ipaddr(packet_get_connection_in());
++		if (canonical_host_ip == NULL)
++			cleanup_exit(255);
++	} else {
++		/* If not on socket, return UNKNOWN. */
++		canonical_host_ip = xstrdup("UNKNOWN");
++	}
++}
++
+ /*
+  * Returns the IP-address of the remote host as a string.  The returned
+  * string must not be freed.
+@@ -347,17 +362,9 @@ const char *
+ get_remote_ipaddr(void)
+ {
+ 	/* Check whether we have cached the ipaddr. */
+-	if (canonical_host_ip == NULL) {
+-		if (packet_connection_is_on_socket()) {
+-			canonical_host_ip =
+-			    get_peer_ipaddr(packet_get_connection_in());
+-			if (canonical_host_ip == NULL)
+-				cleanup_exit(255);
+-		} else {
+-			/* If not on socket, return UNKNOWN. */
+-			canonical_host_ip = xstrdup("UNKNOWN");
+-		}
+-	}
++	if (canonical_host_ip == NULL)
++		set_remote_ipaddr();
++
+ 	return canonical_host_ip;
+ }
+ 
+diff --git a/canohost.h b/canohost.h
+index 4c8636f..4079953 100644
+--- a/canohost.h
++++ b/canohost.h
+@@ -13,6 +13,7 @@
+  */
+ 
+ const char	*get_canonical_hostname(int);
++void		 set_remote_ipaddr(void);
+ const char	*get_remote_ipaddr(void);
+ const char	*get_remote_name_or_ip(u_int, int);
+ 
+diff --git a/sshconnect.c b/sshconnect.c
+index e636f33..451a58b 100644
+--- a/sshconnect.c
++++ b/sshconnect.c
+@@ -62,6 +62,7 @@
+ #include "monitor_fdpass.h"
+ #include "ssh2.h"
+ #include "version.h"
++#include "canohost.h"
+ 
+ char *client_version_string = NULL;
+ char *server_version_string = NULL;
+@@ -170,6 +171,7 @@ ssh_proxy_fdpass_connect(const char *host, u_short port,
+ 
+ 	/* Set the connection file descriptors. */
+ 	packet_set_connection(sock, sock);
++	set_remote_ipaddr();
+ 
+ 	return 0;
+ }
+@@ -492,6 +494,7 @@ ssh_connect_direct(const char *host, struct addrinfo *aitop,
+ 
+ 	/* Set the connection. */
+ 	packet_set_connection(sock, sock);
++	set_remote_ipaddr();
+ 
+ 	return 0;
+ }


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