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openssh/openssh-7.6p1-pkcs11-uri.patch
Jakub Jelen eaa7af2e41 rebase patches to openssh-7.9p1
2018-10-19 11:41:07 +02:00

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diff -up openssh/authfd.c.pkcs11-uri openssh/authfd.c
--- openssh/authfd.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/authfd.c 2018-10-12 13:52:55.450191401 +0200
@@ -312,6 +312,8 @@ ssh_free_identitylist(struct ssh_identit
if (idl->comments != NULL)
free(idl->comments[i]);
}
+ free(idl->keys);
+ free(idl->comments);
free(idl);
}
diff -up openssh/configure.ac.pkcs11-uri openssh/configure.ac
--- openssh/configure.ac.pkcs11-uri 2018-10-12 13:52:55.430191235 +0200
+++ openssh/configure.ac 2018-10-12 13:52:55.451191409 +0200
@@ -1987,12 +1987,14 @@ AC_LINK_IFELSE(
[AC_DEFINE([HAVE_ISBLANK], [1], [Define if you have isblank(3C).])
])
+SCARD_MSG="yes"
disable_pkcs11=
AC_ARG_ENABLE([pkcs11],
[ --disable-pkcs11 disable PKCS#11 support code [no]],
[
if test "x$enableval" = "xno" ; then
disable_pkcs11=1
+ SCARD_MSG="no"
fi
]
)
@@ -2008,6 +2010,40 @@ if test "x$openssl" = "xyes" && test "x$
)
fi
+# Check whether we have a p11-kit, we got default provider on command line
+DEFAULT_PKCS11_PROVIDER_MSG="no"
+AC_ARG_WITH([default-pkcs11-provider],
+ [ --with-default-pkcs11-provider[[=PATH]] Use default pkcs11 provider (p11-kit detected by default)],
+ [ if test "x$withval" != "xno" && test "x$disable_pkcs11" = "x"; then
+ if test "x$withval" = "xyes" ; then
+ AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no])
+ if test "x$PKGCONFIG" != "xno"; then
+ AC_MSG_CHECKING([if $PKGCONFIG knows about p11-kit])
+ if "$PKGCONFIG" "p11-kit-1"; then
+ AC_MSG_RESULT([yes])
+ use_pkgconfig_for_p11kit=yes
+ else
+ AC_MSG_RESULT([no])
+ fi
+ fi
+ else
+ PKCS11_PATH="${withval}"
+ fi
+ if test "x$use_pkgconfig_for_p11kit" = "xyes"; then
+ PKCS11_PATH=`$PKGCONFIG --variable=proxy_module p11-kit-1`
+ fi
+ AC_CHECK_FILE("$PKCS11_PATH",
+ [ AC_DEFINE_UNQUOTED([PKCS11_DEFAULT_PROVIDER], ["$PKCS11_PATH"], [Path to default PKCS#11 provider (p11-kit proxy)])
+ DEFAULT_PKCS11_PROVIDER_MSG="$PKCS11_PATH"
+ ],
+ [ AC_MSG_ERROR([Requested PKCS11 provided not found]) ]
+ )
+ else
+ AC_MSG_WARN([Needs PKCS11 support to enable default pkcs11 provider])
+ fi ]
+)
+
+
# IRIX has a const char return value for gai_strerror()
AC_CHECK_FUNCS([gai_strerror], [
AC_DEFINE([HAVE_GAI_STRERROR])
@@ -5458,6 +5494,7 @@ echo " BSD Auth support
echo " Random number source: $RAND_MSG"
echo " Privsep sandbox style: $SANDBOX_STYLE"
echo " Vendor patch level: $SSH_VENDOR_PATCHLEVEL"
+echo " Default PKCS#11 provider: $DEFAULT_PKCS11_PROVIDER_MSG"
echo ""
diff -up openssh/Makefile.in.pkcs11-uri openssh/Makefile.in
--- openssh/Makefile.in.pkcs11-uri 2018-10-12 13:52:55.366190704 +0200
+++ openssh/Makefile.in 2018-10-12 13:52:55.450191401 +0200
@@ -102,7 +102,7 @@ LIBSSH_OBJS=${LIBOPENSSH_OBJS} \
monitor_fdpass.o rijndael.o ssh-dss.o ssh-ecdsa.o ssh-rsa.o dh.o \
kexgssc.o \
msg.o progressmeter.o dns.o entropy.o gss-genr.o umac.o umac128.o \
- ssh-pkcs11.o smult_curve25519_ref.o \
+ ssh-pkcs11.o ssh-pkcs11-uri.o smult_curve25519_ref.o \
poly1305.o chacha.o cipher-chachapoly.o \
ssh-ed25519.o digest-openssl.o digest-libc.o hmac.o \
sc25519.o ge25519.o fe25519.o ed25519.o verify.o hash.o \
@@ -270,6 +270,8 @@ clean: regressclean
rm -f regress/unittests/match/test_match$(EXEEXT)
rm -f regress/unittests/utf8/*.o
rm -f regress/unittests/utf8/test_utf8$(EXEEXT)
+ rm -f regress/unittests/pkcs11/*.o
+ rm -f regress/unittests/pkcs11/test_pkcs11$(EXEEXT)
rm -f regress/misc/kexfuzz/*.o
rm -f regress/misc/kexfuzz/kexfuzz$(EXEEXT)
(cd openbsd-compat && $(MAKE) clean)
@@ -300,6 +302,8 @@ distclean: regressclean
rm -f regress/unittests/match/test_match
rm -f regress/unittests/utf8/*.o
rm -f regress/unittests/utf8/test_utf8
+ rm -f regress/unittests/pkcs11/*.o
+ rm -f regress/unittests/pkcs11/test_pkcs11
rm -f regress/misc/kexfuzz/*.o
rm -f regress/misc/kexfuzz/kexfuzz$(EXEEXT)
(cd openbsd-compat && $(MAKE) distclean)
@@ -484,6 +488,7 @@ regress-prep:
$(MKDIR_P) `pwd`/regress/unittests/kex
$(MKDIR_P) `pwd`/regress/unittests/match
$(MKDIR_P) `pwd`/regress/unittests/utf8
+ $(MKDIR_P) `pwd`/regress/unittests/pkcs11
$(MKDIR_P) `pwd`/regress/misc/kexfuzz
[ -f `pwd`/regress/Makefile ] || \
ln -s `cd $(srcdir) && pwd`/regress/Makefile `pwd`/regress/Makefile
@@ -502,6 +507,11 @@ regress/netcat$(EXEEXT): $(srcdir)/regre
$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $(srcdir)/regress/netcat.c \
$(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
+regress/soft-pkcs11.so: $(srcdir)/regress/soft-pkcs11.c $(REGRESSLIBS)
+ $(CC) $(CFLAGS) $(CPPFLAGS) -fpic -c $(srcdir)/regress/soft-pkcs11.c \
+ -o $(srcdir)/regress/soft-pkcs11.o
+ $(CC) -shared -o $@ $(srcdir)/regress/soft-pkcs11.o
+
regress/check-perm$(EXEEXT): $(srcdir)/regress/check-perm.c $(REGRESSLIBS)
$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $(srcdir)/regress/check-perm.c \
$(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
@@ -607,6 +617,16 @@ regress/unittests/utf8/test_utf8$(EXEEXT
regress/unittests/test_helper/libtest_helper.a \
-lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
+UNITTESTS_TEST_PKCS11_OBJS=\
+ regress/unittests/pkcs11/tests.o
+
+regress/unittests/pkcs11/test_pkcs11$(EXEEXT): \
+ ${UNITTESTS_TEST_PKCS11_OBJS} \
+ regress/unittests/test_helper/libtest_helper.a libssh.a
+ $(LD) -o $@ $(LDFLAGS) $(UNITTESTS_TEST_PKCS11_OBJS) \
+ regress/unittests/test_helper/libtest_helper.a \
+ -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
+
MISC_KEX_FUZZ_OBJS=\
regress/misc/kexfuzz/kexfuzz.o
@@ -617,6 +637,7 @@ regress/misc/kexfuzz/kexfuzz$(EXEEXT): $
regress-binaries: regress/modpipe$(EXEEXT) \
regress/setuid-allowed$(EXEEXT) \
regress/netcat$(EXEEXT) \
+ regress/soft-pkcs11.so \
regress/check-perm$(EXEEXT) \
regress/mkdtemp$(EXEEXT) \
regress/unittests/sshbuf/test_sshbuf$(EXEEXT) \
@@ -627,6 +648,7 @@ regress-binaries: regress/modpipe$(EXEEX
regress/unittests/kex/test_kex$(EXEEXT) \
regress/unittests/match/test_match$(EXEEXT) \
regress/unittests/utf8/test_utf8$(EXEEXT) \
+ regress/unittests/pkcs11/test_pkcs11$(EXEEXT) \
regress/misc/kexfuzz/kexfuzz$(EXEEXT)
tests interop-tests t-exec unit: regress-prep regress-binaries $(TARGETS)
diff -up openssh/regress/agent-pkcs11.sh.pkcs11-uri openssh/regress/agent-pkcs11.sh
--- openssh/regress/agent-pkcs11.sh.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/regress/agent-pkcs11.sh 2018-10-12 13:52:55.451191409 +0200
@@ -4,10 +4,17 @@
tid="pkcs11 agent test"
TEST_SSH_PIN=""
-TEST_SSH_PKCS11=/usr/local/lib/soft-pkcs11.so.0.0
+TEST_SSH_PKCS11=$OBJ/soft-pkcs11.so
test -f "$TEST_SSH_PKCS11" || fatal "$TEST_SSH_PKCS11 does not exist"
+# requires ssh-agent built with correct path to ssh-pkcs11-helper
+# otherwise it fails to start the helper
+strings ${TEST_SSH_SSHAGENT} | grep "$TEST_SSH_SSHPKCS11HELPER"
+if [ $? -ne 0 ]; then
+ fatal "Needs to reconfigure with --libexecdir=\`pwd\` or so"
+fi
+
# setup environment for soft-pkcs11 token
SOFTPKCS11RC=$OBJ/pkcs11.info
export SOFTPKCS11RC
@@ -23,7 +30,7 @@ notty() {
}
trace "start agent"
-eval `${SSHAGENT} -s` > /dev/null
+eval `${SSHAGENT} -s -P "${OBJ}/*"` > /dev/null
r=$?
if [ $r -ne 0 ]; then
fail "could not start ssh-agent: exit code $r"
@@ -60,7 +67,7 @@ else
fi
trace "remove pkcs11 keys"
- echo ${TEST_SSH_PIN} | notty ${SSHADD} -e ${TEST_SSH_PKCS11} > /dev/null 2>&1
+ ${SSHADD} -e ${TEST_SSH_PKCS11} > /dev/null 2>&1
r=$?
if [ $r -ne 0 ]; then
fail "ssh-add -e failed: exit code $r"
diff -up openssh/regress/locl.h.pkcs11-uri openssh/regress/locl.h
--- openssh/regress/locl.h.pkcs11-uri 2018-10-12 13:52:55.451191409 +0200
+++ openssh/regress/locl.h 2018-10-12 13:52:55.451191409 +0200
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2004, Stockholms universitet
+ * (Stockholm University, Stockholm Sweden)
+ * 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.
+ *
+ * 3. Neither the name of the university nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
+ */
+
+/* $Id: locl.h,v 1.5 2005/08/28 15:30:31 lha Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/pem.h>
+#include <openssl/rand.h>
+#include <openssl/x509.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <pwd.h>
+#include <stdarg.h>
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../pkcs11.h"
+
+#define OPENSSL_ASN1_MALLOC_ENCODE(T, B, BL, S, R) \
+{ \
+ unsigned char *p; \
+ (BL) = i2d_##T((S), NULL); \
+ if ((BL) <= 0) { \
+ (R) = EINVAL; \
+ } else { \
+ (B) = malloc((BL)); \
+ if ((B) == NULL) { \
+ (R) = ENOMEM; \
+ } else { \
+ p = (B); \
+ (R) = 0; \
+ (BL) = i2d_##T((S), &p); \
+ if ((BL) <= 0) { \
+ free((B)); \
+ (R) = EINVAL; \
+ } \
+ } \
+ } \
+}
diff -up openssh/regress/Makefile.pkcs11-uri openssh/regress/Makefile
--- openssh/regress/Makefile.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/regress/Makefile 2018-10-12 13:52:55.451191409 +0200
@@ -109,9 +109,11 @@ CLEANFILES= *.core actual agent-key.* au
known_hosts known_hosts-cert known_hosts.* krl-* ls.copy \
modpipe netcat no_identity_config \
pidfile putty.rsa2 ready regress.log \
- remote_pid revoked-* rsa rsa-agent rsa-agent.pub rsa.pub \
+ remote_pid revoked-* rsa rsa-agent rsa-agent.pub \
+ rsa-agent-cert.pub rsa.pub \
rsa1 rsa1-agent rsa1-agent.pub rsa1.pub rsa_ssh2_cr.prv \
- rsa_ssh2_crnl.prv scp-ssh-wrapper.exe \
+ soft-pkcs11.so soft-pkcs11.o pkcs11*.crt pkcs11*.key \
+ pkcs11.info rsa_ssh2_crnl.prv scp-ssh-wrapper.exe \
scp-ssh-wrapper.scp setuid-allowed sftp-server.log \
sftp-server.sh sftp.log ssh-log-wrapper.sh ssh.log \
ssh_config ssh_config.* ssh_proxy ssh_proxy_bak \
@@ -226,6 +228,7 @@ unit:
V="" ; \
test "x${USE_VALGRIND}" = "x" || \
V=${.CURDIR}/valgrind-unit.sh ; \
+ $$V ${.OBJDIR}/unittests/pkcs11/test_pkcs11 ; \
$$V ${.OBJDIR}/unittests/sshbuf/test_sshbuf ; \
$$V ${.OBJDIR}/unittests/sshkey/test_sshkey \
-d ${.CURDIR}/unittests/sshkey/testdata ; \
diff -up openssh/regress/pkcs11.sh.pkcs11-uri openssh/regress/pkcs11.sh
--- openssh/regress/pkcs11.sh.pkcs11-uri 2018-10-12 13:52:55.451191409 +0200
+++ openssh/regress/pkcs11.sh 2018-10-12 13:52:55.451191409 +0200
@@ -0,0 +1,300 @@
+#
+# Copyright (c) 2017 Red Hat
+#
+# Authors: Jakub Jelen <jjelen@redhat.com>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+tid="pkcs11 tests with soft token"
+
+TEST_SSH_PIN=""
+TEST_SSH_PKCS11=$OBJ/soft-pkcs11.so
+
+test -f "$TEST_SSH_PKCS11" || fatal "$TEST_SSH_PKCS11 does not exist"
+
+# requires ssh-agent built with correct path to ssh-pkcs11-helper
+# otherwise it fails to start the helper
+strings ${TEST_SSH_SSHAGENT} | grep "$TEST_SSH_SSHPKCS11HELPER"
+if [ $? -ne 0 ]; then
+ fatal "Needs to reconfigure with --libexecdir=\`pwd\` or so"
+fi
+
+# setup environment for soft-pkcs11 token
+SOFTPKCS11RC=$OBJ/pkcs11.info
+rm -f $SOFTPKCS11RC
+export SOFTPKCS11RC
+# prevent ssh-agent from calling ssh-askpass
+SSH_ASKPASS=/usr/bin/true
+export SSH_ASKPASS
+unset DISPLAY
+
+# start command w/o tty, so ssh accepts pin from stdin (from agent-pkcs11.sh)
+notty() {
+ perl -e 'use POSIX; POSIX::setsid();
+ if (fork) { wait; exit($? >> 8); } else { exec(@ARGV) }' "$@"
+}
+
+create_key() {
+ ID=$1
+ LABEL=$2
+ rm -f $OBJ/pkcs11-${ID}.key $OBJ/pkcs11-${ID}.crt
+ openssl genrsa -out $OBJ/pkcs11-${ID}.key 2048 > /dev/null 2>&1
+ chmod 600 $OBJ/pkcs11-${ID}.key
+ openssl req -key $OBJ/pkcs11-${ID}.key -new -x509 \
+ -out $OBJ/pkcs11-${ID}.crt -text -subj '/CN=pkcs11 test' >/dev/null
+ printf "${ID}\t${LABEL}\t$OBJ/pkcs11-${ID}.crt\t$OBJ/pkcs11-${ID}.key\n" \
+ >> $SOFTPKCS11RC
+}
+
+trace "Create a key pairs on soft token"
+ID1="02"
+ID2="04"
+create_key "$ID1" "SSH RSA Key"
+create_key "$ID2" "SSH RSA Key 2"
+
+trace "List the keys in the ssh-keygen with PKCS#11 URIs"
+${SSHKEYGEN} -D ${TEST_SSH_PKCS11} > $OBJ/token_keys
+if [ $? -ne 0 ]; then
+ fail "keygen fails to enumerate keys on PKCS#11 token"
+fi
+grep "pkcs11:" $OBJ/token_keys > /dev/null
+if [ $? -ne 0 ]; then
+ fail "The keys from ssh-keygen do not contain PKCS#11 URI as a comment"
+fi
+tail -n 1 $OBJ/token_keys > $OBJ/authorized_keys_$USER
+
+
+trace "Simple connect with ssh (without PKCS#11 URI)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -I ${TEST_SSH_PKCS11} \
+ -F $OBJ/ssh_proxy somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with pkcs11 failed (exit code $r)"
+fi
+
+
+trace "Connect with PKCS#11 URI"
+trace " (second key should succeed)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:id=${ID2}?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI failed (exit code $r)"
+fi
+
+trace " (first key should fail)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:id=${ID1}?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -eq 5 ]; then
+ fail "ssh connect with PKCS#11 URI succeeded (should fail)"
+fi
+
+trace "Connect with various filtering options in PKCS#11 URI"
+trace " (by object label, second key should succeed)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:object=SSH%20RSA%20Key%202?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI failed (exit code $r)"
+fi
+
+trace " (by object label, first key should fail)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:object=SSH%20RSA%20Key?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -eq 5 ]; then
+ fail "ssh connect with PKCS#11 URI succeeded (should fail)"
+fi
+
+trace " (by token label, second key should succeed)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:id=${ID2};token=SoftToken%20(token)?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI failed (exit code $r)"
+fi
+
+trace " (by wrong token label, should fail)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:token=SoftToken?module-path=${TEST_SSH_PKCS11}" somehost exit 5
+r=$?
+if [ $r -eq 5 ]; then
+ fail "ssh connect with PKCS#11 URI succeeded (should fail)"
+fi
+
+
+
+
+trace "Test PKCS#11 URI specification in configuration files"
+echo "IdentityFile \"pkcs11:id=${ID2}?module-path=${TEST_SSH_PKCS11}\"" \
+ >> $OBJ/ssh_proxy
+trace " (second key should succeed)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI in config failed (exit code $r)"
+fi
+
+trace " (first key should fail)"
+head -n 1 $OBJ/token_keys > $OBJ/authorized_keys_$USER
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+r=$?
+if [ $r -eq 5 ]; then
+ fail "ssh connect with PKCS#11 URI in config succeeded (should fail)"
+fi
+sed -i -e "/IdentityFile/d" $OBJ/ssh_proxy
+
+trace "Test PKCS#11 URI specification in configuration files with bogus spaces"
+echo "IdentityFile \" pkcs11:id=${ID1}?module-path=${TEST_SSH_PKCS11} \"" \
+ >> $OBJ/ssh_proxy
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI with bogus spaces in config failed" \
+ "(exit code $r)"
+fi
+sed -i -e "/IdentityFile/d" $OBJ/ssh_proxy
+
+
+trace "Combination of PKCS11Provider and PKCS11URI on commandline"
+trace " (first key should succeed)"
+echo ${TEST_SSH_PIN} | notty ${SSH} -F $OBJ/ssh_proxy \
+ -i "pkcs11:id=${ID1}" -I ${TEST_SSH_PKCS11} somehost exit 5
+r=$?
+if [ $r -ne 5 ]; then
+ fail "ssh connect with PKCS#11 URI and provider combination" \
+ "failed (exit code $r)"
+fi
+
+trace "Regress: Missing provider in PKCS11URI option"
+${SSH} -F $OBJ/ssh_proxy \
+ -o IdentityFile=\"pkcs11:token=segfault\" somehost exit 5
+r=$?
+if [ $r -eq 139 ]; then
+ fail "ssh connect with missing provider_id from configuration option" \
+ "crashed (exit code $r)"
+fi
+
+
+trace "SSH Agent can work with PKCS#11 URI"
+trace "start the agent"
+eval `${SSHAGENT} -s -P "${OBJ}/*"` > /dev/null
+
+r=$?
+if [ $r -ne 0 ]; then
+ fail "could not start ssh-agent: exit code $r"
+else
+ trace "add whole provider to agent"
+ echo ${TEST_SSH_PIN} | notty ${SSHADD} \
+ "pkcs11:?module-path=${TEST_SSH_PKCS11}" > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add failed with whole provider: exit code $r"
+ fi
+
+ trace " pkcs11 list via agent (all keys)"
+ ${SSHADD} -l > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add -l failed with whole provider: exit code $r"
+ fi
+
+ trace " pkcs11 connect via agent (all keys)"
+ ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+ r=$?
+ if [ $r -ne 5 ]; then
+ fail "ssh connect failed with whole provider (exit code $r)"
+ fi
+
+ trace " remove pkcs11 keys (all keys)"
+ ${SSHADD} -d "pkcs11:?module-path=${TEST_SSH_PKCS11}" > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add -d failed with whole provider: exit code $r"
+ fi
+
+ trace "add only first key to the agent"
+ echo ${TEST_SSH_PIN} | notty ${SSHADD} \
+ "pkcs11:id=${ID1}?module-path=${TEST_SSH_PKCS11}" > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add failed with first key: exit code $r"
+ fi
+
+ trace " pkcs11 connect via agent (first key)"
+ ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+ r=$?
+ if [ $r -ne 5 ]; then
+ fail "ssh connect failed with first key (exit code $r)"
+ fi
+
+ trace " remove first pkcs11 key"
+ ${SSHADD} -d "pkcs11:id=${ID1}?module-path=${TEST_SSH_PKCS11}" \
+ > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add -d failed with first key: exit code $r"
+ fi
+
+ trace "add only second key to the agent"
+ echo ${TEST_SSH_PIN} | notty ${SSHADD} \
+ "pkcs11:id=${ID2}?module-path=${TEST_SSH_PKCS11}" > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add failed with second key: exit code $r"
+ fi
+
+ trace " pkcs11 connect via agent (second key should fail)"
+ ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+ r=$?
+ if [ $r -eq 5 ]; then
+ fail "ssh connect passed without key (should fail)"
+ fi
+
+ trace "add also the first key to the agent"
+ echo ${TEST_SSH_PIN} | notty ${SSHADD} \
+ "pkcs11:id=${ID1}?module-path=${TEST_SSH_PKCS11}" > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add failed with first key: exit code $r"
+ fi
+
+ trace " remove second pkcs11 key"
+ ${SSHADD} -d "pkcs11:id=${ID2}?module-path=${TEST_SSH_PKCS11}" \
+ > /dev/null 2>&1
+ r=$?
+ if [ $r -ne 0 ]; then
+ fail "ssh-add -d failed with second key: exit code $r"
+ fi
+
+ trace " remove already-removed pkcs11 key should fail"
+ ${SSHADD} -d "pkcs11:id=${ID2}?module-path=${TEST_SSH_PKCS11}" \
+ > /dev/null 2>&1
+ r=$?
+ if [ $r -eq 0 ]; then
+ fail "ssh-add -d passed with non-existing key (should fail)"
+ fi
+
+ trace " pkcs11 connect via agent (the first key should be still usable)"
+ ${SSH} -F $OBJ/ssh_proxy somehost exit 5
+ r=$?
+ if [ $r -ne 5 ]; then
+ fail "ssh connect failed with first key (after removing second): exit code $r"
+ fi
+
+ trace "kill agent"
+ ${SSHAGENT} -k > /dev/null
+fi
+
+rm -rf $OBJ/.tokens $OBJ/token_keys
diff -up openssh/regress/soft-pkcs11.c.pkcs11-uri openssh/regress/soft-pkcs11.c
--- openssh/regress/soft-pkcs11.c.pkcs11-uri 2018-10-12 13:52:55.452191417 +0200
+++ openssh/regress/soft-pkcs11.c 2018-10-12 13:52:55.452191417 +0200
@@ -0,0 +1,2058 @@
+/*
+ * Copyright (c) 2004-2006, Stockholms universitet
+ * (Stockholm University, Stockholm Sweden)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the university nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "locl.h"
+
+/* RCSID("$Id: main.c,v 1.24 2006/01/11 12:42:53 lha Exp $"); */
+
+#define OBJECT_ID_MASK 0xfff
+#define HANDLE_OBJECT_ID(h) ((h) & OBJECT_ID_MASK)
+#define OBJECT_ID(obj) HANDLE_OBJECT_ID((obj)->object_handle)
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ #define RSA_PKCS1_SSLeay RSA_PKCS1_OpenSSL
+#endif
+
+struct st_attr {
+ CK_ATTRIBUTE attribute;
+ int secret;
+};
+
+struct st_object {
+ CK_OBJECT_HANDLE object_handle;
+ struct st_attr *attrs;
+ int num_attributes;
+ enum {
+ STO_T_CERTIFICATE,
+ STO_T_PRIVATE_KEY,
+ STO_T_PUBLIC_KEY
+ } type;
+ union {
+ X509 *cert;
+ EVP_PKEY *public_key;
+ struct {
+ const char *file;
+ EVP_PKEY *key;
+ X509 *cert;
+ } private_key;
+ } u;
+};
+
+static struct soft_token {
+ CK_VOID_PTR application;
+ CK_NOTIFY notify;
+ struct {
+ struct st_object **objs;
+ int num_objs;
+ } object;
+ struct {
+ int hardware_slot;
+ int app_error_fatal;
+ int login_done;
+ } flags;
+ int open_sessions;
+ struct session_state {
+ CK_SESSION_HANDLE session_handle;
+
+ struct {
+ CK_ATTRIBUTE *attributes;
+ CK_ULONG num_attributes;
+ int next_object;
+ } find;
+
+ int encrypt_object;
+ CK_MECHANISM_PTR encrypt_mechanism;
+ int decrypt_object;
+ CK_MECHANISM_PTR decrypt_mechanism;
+ int sign_object;
+ CK_MECHANISM_PTR sign_mechanism;
+ int verify_object;
+ CK_MECHANISM_PTR verify_mechanism;
+ int digest_object;
+ } state[10];
+#define MAX_NUM_SESSION (sizeof(soft_token.state)/sizeof(soft_token.state[0]))
+ FILE *logfile;
+} soft_token;
+
+static void
+application_error(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
+ if (soft_token.flags.app_error_fatal)
+ abort();
+}
+
+static void
+st_logf(const char *fmt, ...)
+{
+ va_list ap;
+ if (soft_token.logfile == NULL)
+ return;
+ va_start(ap, fmt);
+ vfprintf(soft_token.logfile, fmt, ap);
+ va_end(ap);
+ fflush(soft_token.logfile);
+}
+
+static void
+snprintf_fill(char *str, size_t size, char fillchar, const char *fmt, ...)
+{
+ int len;
+ va_list ap;
+ len = vsnprintf(str, size, fmt, ap);
+ va_end(ap);
+ if (len < 0 || len > (int) size)
+ return;
+ while(len < (int) size)
+ str[len++] = fillchar;
+}
+
+#ifndef TEST_APP
+#define printf error_use_st_logf
+#endif
+
+#define VERIFY_SESSION_HANDLE(s, state) \
+{ \
+ CK_RV ret; \
+ ret = verify_session_handle(s, state); \
+ if (ret != CKR_OK) { \
+ /* return CKR_OK */; \
+ } \
+}
+
+static CK_RV
+verify_session_handle(CK_SESSION_HANDLE hSession,
+ struct session_state **state)
+{
+ size_t i;
+
+ for (i = 0; i < MAX_NUM_SESSION; i++){
+ if (soft_token.state[i].session_handle == hSession)
+ break;
+ }
+ if (i == MAX_NUM_SESSION) {
+ application_error("use of invalid handle: 0x%08lx\n",
+ (unsigned long)hSession);
+ return CKR_SESSION_HANDLE_INVALID;
+ }
+ if (state)
+ *state = &soft_token.state[i];
+ return CKR_OK;
+}
+
+static CK_RV
+object_handle_to_object(CK_OBJECT_HANDLE handle,
+ struct st_object **object)
+{
+ int i = HANDLE_OBJECT_ID(handle);
+
+ *object = NULL;
+ if (i >= soft_token.object.num_objs)
+ return CKR_ARGUMENTS_BAD;
+ if (soft_token.object.objs[i] == NULL)
+ return CKR_ARGUMENTS_BAD;
+ if (soft_token.object.objs[i]->object_handle != handle)
+ return CKR_ARGUMENTS_BAD;
+ *object = soft_token.object.objs[i];
+ return CKR_OK;
+}
+
+static int
+attributes_match(const struct st_object *obj,
+ const CK_ATTRIBUTE *attributes,
+ CK_ULONG num_attributes)
+{
+ CK_ULONG i;
+ int j;
+ st_logf("attributes_match: %ld\n", (unsigned long)OBJECT_ID(obj));
+
+ for (i = 0; i < num_attributes; i++) {
+ int match = 0;
+ for (j = 0; j < obj->num_attributes; j++) {
+ if (attributes[i].type == obj->attrs[j].attribute.type &&
+ attributes[i].ulValueLen == obj->attrs[j].attribute.ulValueLen &&
+ memcmp(attributes[i].pValue, obj->attrs[j].attribute.pValue,
+ attributes[i].ulValueLen) == 0) {
+ match = 1;
+ break;
+ }
+ }
+ if (match == 0) {
+ st_logf("type %d attribute have no match\n", attributes[i].type);
+ return 0;
+ }
+ }
+ st_logf("attribute matches\n");
+ return 1;
+}
+
+static void
+print_attributes(const CK_ATTRIBUTE *attributes,
+ CK_ULONG num_attributes)
+{
+ CK_ULONG i;
+
+ st_logf("find objects: attrs: %lu\n", (unsigned long)num_attributes);
+
+ for (i = 0; i < num_attributes; i++) {
+ st_logf(" type: ");
+ switch (attributes[i].type) {
+ case CKA_TOKEN: {
+ CK_BBOOL *ck_true;
+ if (attributes[i].ulValueLen != sizeof(CK_BBOOL)) {
+ application_error("token attribute wrong length\n");
+ break;
+ }
+ ck_true = attributes[i].pValue;
+ st_logf("token: %s", *ck_true ? "TRUE" : "FALSE");
+ break;
+ }
+ case CKA_CLASS: {
+ CK_OBJECT_CLASS *class;
+ if (attributes[i].ulValueLen != sizeof(CK_ULONG)) {
+ application_error("class attribute wrong length\n");
+ break;
+ }
+ class = attributes[i].pValue;
+ st_logf("class ");
+ switch (*class) {
+ case CKO_CERTIFICATE:
+ st_logf("certificate");
+ break;
+ case CKO_PUBLIC_KEY:
+ st_logf("public key");
+ break;
+ case CKO_PRIVATE_KEY:
+ st_logf("private key");
+ break;
+ case CKO_SECRET_KEY:
+ st_logf("secret key");
+ break;
+ case CKO_DOMAIN_PARAMETERS:
+ st_logf("domain parameters");
+ break;
+ default:
+ st_logf("[class %lx]", (long unsigned)*class);
+ break;
+ }
+ break;
+ }
+ case CKA_PRIVATE:
+ st_logf("private");
+ break;
+ case CKA_LABEL:
+ st_logf("label");
+ break;
+ case CKA_APPLICATION:
+ st_logf("application");
+ break;
+ case CKA_VALUE:
+ st_logf("value");
+ break;
+ case CKA_ID:
+ st_logf("id");
+ break;
+ default:
+ st_logf("[unknown 0x%08lx]", (unsigned long)attributes[i].type);
+ break;
+ }
+ st_logf("\n");
+ }
+}
+
+static struct st_object *
+add_st_object(void)
+{
+ struct st_object *o, **objs;
+ int i;
+
+ o = malloc(sizeof(*o));
+ if (o == NULL)
+ return NULL;
+ memset(o, 0, sizeof(*o));
+ o->attrs = NULL;
+ o->num_attributes = 0;
+
+ for (i = 0; i < soft_token.object.num_objs; i++) {
+ if (soft_token.object.objs == NULL) {
+ soft_token.object.objs[i] = o;
+ break;
+ }
+ }
+ if (i == soft_token.object.num_objs) {
+ objs = realloc(soft_token.object.objs,
+ (soft_token.object.num_objs + 1) * sizeof(soft_token.object.objs[0]));
+ if (objs == NULL) {
+ free(o);
+ return NULL;
+ }
+ soft_token.object.objs = objs;
+ soft_token.object.objs[soft_token.object.num_objs++] = o;
+ }
+ soft_token.object.objs[i]->object_handle =
+ (random() & (~OBJECT_ID_MASK)) | i;
+
+ return o;
+}
+
+static CK_RV
+add_object_attribute(struct st_object *o,
+ int secret,
+ CK_ATTRIBUTE_TYPE type,
+ CK_VOID_PTR pValue,
+ CK_ULONG ulValueLen)
+{
+ struct st_attr *a;
+ int i;
+
+ i = o->num_attributes;
+ a = realloc(o->attrs, (i + 1) * sizeof(o->attrs[0]));
+ if (a == NULL)
+ return CKR_DEVICE_MEMORY;
+ o->attrs = a;
+ o->attrs[i].secret = secret;
+ o->attrs[i].attribute.type = type;
+ o->attrs[i].attribute.pValue = malloc(ulValueLen);
+ if (o->attrs[i].attribute.pValue == NULL && ulValueLen != 0)
+ return CKR_DEVICE_MEMORY;
+ memcpy(o->attrs[i].attribute.pValue, pValue, ulValueLen);
+ o->attrs[i].attribute.ulValueLen = ulValueLen;
+ o->num_attributes++;
+
+ return CKR_OK;
+}
+
+static CK_RV
+add_pubkey_info(struct st_object *o, CK_KEY_TYPE key_type, EVP_PKEY *key)
+{
+ switch (key_type) {
+ case CKK_RSA: {
+ CK_BYTE *modulus = NULL;
+ size_t modulus_len = 0;
+ CK_ULONG modulus_bits = 0;
+ CK_BYTE *exponent = NULL;
+ size_t exponent_len = 0;
+ RSA* rsa = NULL;
+ const BIGNUM *n = NULL, *e = NULL;
+
+ rsa = EVP_PKEY_get0_RSA(key);
+ RSA_get0_key(rsa, &n, &e, NULL);
+
+ modulus_bits = BN_num_bits(n);
+
+ modulus_len = BN_num_bytes(n);
+ modulus = malloc(modulus_len);
+ BN_bn2bin(n, modulus);
+
+ exponent_len = BN_num_bytes(e);
+ exponent = malloc(exponent_len);
+ BN_bn2bin(e, exponent);
+
+ add_object_attribute(o, 0, CKA_MODULUS, modulus, modulus_len);
+ add_object_attribute(o, 0, CKA_MODULUS_BITS,
+ &modulus_bits, sizeof(modulus_bits));
+ add_object_attribute(o, 0, CKA_PUBLIC_EXPONENT,
+ exponent, exponent_len);
+
+ RSA_set_method(rsa, RSA_PKCS1_OpenSSL());
+
+ free(modulus);
+ free(exponent);
+ }
+ default:
+ /* XXX */
+ break;
+ }
+ return CKR_OK;
+}
+
+
+static int
+pem_callback(char *buf, int num, int w, void *key)
+{
+ return -1;
+}
+
+
+static CK_RV
+add_certificate(char *label,
+ const char *cert_file,
+ const char *private_key_file,
+ char *id,
+ int anchor)
+{
+ struct st_object *o = NULL;
+ CK_BBOOL bool_true = CK_TRUE;
+ CK_BBOOL bool_false = CK_FALSE;
+ CK_OBJECT_CLASS c;
+ CK_CERTIFICATE_TYPE cert_type = CKC_X_509;
+ CK_KEY_TYPE key_type;
+ CK_MECHANISM_TYPE mech_type;
+ void *cert_data = NULL;
+ size_t cert_length;
+ void *subject_data = NULL;
+ size_t subject_length;
+ void *issuer_data = NULL;
+ size_t issuer_length;
+ void *serial_data = NULL;
+ size_t serial_length;
+ CK_RV ret = CKR_GENERAL_ERROR;
+ X509 *cert;
+ EVP_PKEY *public_key;
+
+ size_t id_len = strlen(id);
+
+ {
+ FILE *f;
+
+ f = fopen(cert_file, "r");
+ if (f == NULL) {
+ st_logf("failed to open file %s\n", cert_file);
+ return CKR_GENERAL_ERROR;
+ }
+
+ cert = PEM_read_X509(f, NULL, NULL, NULL);
+ fclose(f);
+ if (cert == NULL) {
+ st_logf("failed reading PEM cert\n");
+ return CKR_GENERAL_ERROR;
+ }
+
+ OPENSSL_ASN1_MALLOC_ENCODE(X509, cert_data, cert_length, cert, ret);
+ if (ret)
+ goto out;
+
+ OPENSSL_ASN1_MALLOC_ENCODE(X509_NAME, issuer_data, issuer_length,
+ X509_get_issuer_name(cert), ret);
+ if (ret)
+ goto out;
+
+ OPENSSL_ASN1_MALLOC_ENCODE(X509_NAME, subject_data, subject_length,
+ X509_get_subject_name(cert), ret);
+ if (ret)
+ goto out;
+
+ OPENSSL_ASN1_MALLOC_ENCODE(ASN1_INTEGER, serial_data, serial_length,
+ X509_get_serialNumber(cert), ret);
+ if (ret)
+ goto out;
+
+ }
+
+ st_logf("done parsing, adding to internal structure\n");
+
+ o = add_st_object();
+ if (o == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+ o->type = STO_T_CERTIFICATE;
+ o->u.cert = cert;
+ public_key = X509_get_pubkey(o->u.cert);
+
+ switch (EVP_PKEY_base_id(public_key)) {
+ case EVP_PKEY_RSA:
+ key_type = CKK_RSA;
+ break;
+ case EVP_PKEY_DSA:
+ key_type = CKK_DSA;
+ break;
+ default:
+ /* XXX */
+ break;
+ }
+
+ c = CKO_CERTIFICATE;
+ add_object_attribute(o, 0, CKA_CLASS, &c, sizeof(c));
+ add_object_attribute(o, 0, CKA_TOKEN, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_PRIVATE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_MODIFIABLE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_LABEL, label, strlen(label));
+
+ add_object_attribute(o, 0, CKA_CERTIFICATE_TYPE, &cert_type, sizeof(cert_type));
+ add_object_attribute(o, 0, CKA_ID, id, id_len);
+
+ add_object_attribute(o, 0, CKA_SUBJECT, subject_data, subject_length);
+ add_object_attribute(o, 0, CKA_ISSUER, issuer_data, issuer_length);
+ add_object_attribute(o, 0, CKA_SERIAL_NUMBER, serial_data, serial_length);
+ add_object_attribute(o, 0, CKA_VALUE, cert_data, cert_length);
+ if (anchor)
+ add_object_attribute(o, 0, CKA_TRUSTED, &bool_true, sizeof(bool_true));
+ else
+ add_object_attribute(o, 0, CKA_TRUSTED, &bool_false, sizeof(bool_false));
+
+ st_logf("add cert ok: %lx\n", (unsigned long)OBJECT_ID(o));
+
+ o = add_st_object();
+ if (o == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+ o->type = STO_T_PUBLIC_KEY;
+ o->u.public_key = public_key;
+
+ c = CKO_PUBLIC_KEY;
+ add_object_attribute(o, 0, CKA_CLASS, &c, sizeof(c));
+ add_object_attribute(o, 0, CKA_TOKEN, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_PRIVATE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_MODIFIABLE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_LABEL, label, strlen(label));
+
+ add_object_attribute(o, 0, CKA_KEY_TYPE, &key_type, sizeof(key_type));
+ add_object_attribute(o, 0, CKA_ID, id, id_len);
+ add_object_attribute(o, 0, CKA_START_DATE, "", 1); /* XXX */
+ add_object_attribute(o, 0, CKA_END_DATE, "", 1); /* XXX */
+ add_object_attribute(o, 0, CKA_DERIVE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_LOCAL, &bool_false, sizeof(bool_false));
+ mech_type = CKM_RSA_X_509;
+ add_object_attribute(o, 0, CKA_KEY_GEN_MECHANISM, &mech_type, sizeof(mech_type));
+
+ add_object_attribute(o, 0, CKA_SUBJECT, subject_data, subject_length);
+ add_object_attribute(o, 0, CKA_ENCRYPT, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_VERIFY, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_VERIFY_RECOVER, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_WRAP, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_TRUSTED, &bool_true, sizeof(bool_true));
+
+ add_pubkey_info(o, key_type, public_key);
+
+ st_logf("add key ok: %lx\n", (unsigned long)OBJECT_ID(o));
+
+ if (private_key_file) {
+ CK_FLAGS flags;
+ FILE *f;
+
+ o = add_st_object();
+ if (o == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+ o->type = STO_T_PRIVATE_KEY;
+ o->u.private_key.file = strdup(private_key_file);
+ o->u.private_key.key = NULL;
+
+ o->u.private_key.cert = cert;
+
+ c = CKO_PRIVATE_KEY;
+ add_object_attribute(o, 0, CKA_CLASS, &c, sizeof(c));
+ add_object_attribute(o, 0, CKA_TOKEN, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_PRIVATE, &bool_true, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_MODIFIABLE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_LABEL, label, strlen(label));
+
+ add_object_attribute(o, 0, CKA_KEY_TYPE, &key_type, sizeof(key_type));
+ add_object_attribute(o, 0, CKA_ID, id, id_len);
+ add_object_attribute(o, 0, CKA_START_DATE, "", 1); /* XXX */
+ add_object_attribute(o, 0, CKA_END_DATE, "", 1); /* XXX */
+ add_object_attribute(o, 0, CKA_DERIVE, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_LOCAL, &bool_false, sizeof(bool_false));
+ mech_type = CKM_RSA_X_509;
+ add_object_attribute(o, 0, CKA_KEY_GEN_MECHANISM, &mech_type, sizeof(mech_type));
+
+ add_object_attribute(o, 0, CKA_SUBJECT, subject_data, subject_length);
+ add_object_attribute(o, 0, CKA_SENSITIVE, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_SECONDARY_AUTH, &bool_false, sizeof(bool_true));
+ flags = 0;
+ add_object_attribute(o, 0, CKA_AUTH_PIN_FLAGS, &flags, sizeof(flags));
+
+ add_object_attribute(o, 0, CKA_DECRYPT, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_SIGN, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_SIGN_RECOVER, &bool_false, sizeof(bool_false));
+ add_object_attribute(o, 0, CKA_UNWRAP, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_EXTRACTABLE, &bool_true, sizeof(bool_true));
+ add_object_attribute(o, 0, CKA_NEVER_EXTRACTABLE, &bool_false, sizeof(bool_false));
+
+ add_pubkey_info(o, key_type, public_key);
+
+ f = fopen(private_key_file, "r");
+ if (f == NULL) {
+ st_logf("failed to open private key\n");
+ return CKR_GENERAL_ERROR;
+ }
+
+ o->u.private_key.key = PEM_read_PrivateKey(f, NULL, pem_callback, NULL);
+ fclose(f);
+ if (o->u.private_key.key == NULL) {
+ st_logf("failed to read private key a startup\n");
+ /* don't bother with this failure for now,
+ fix it at C_Login time */;
+ } else {
+ /* XXX verify keytype */
+
+ if (key_type == CKK_RSA) {
+ RSA *rsa = EVP_PKEY_get0_RSA(o->u.private_key.key);
+ RSA_set_method(rsa, RSA_PKCS1_OpenSSL());
+ }
+
+ if (X509_check_private_key(cert, o->u.private_key.key) != 1) {
+ EVP_PKEY_free(o->u.private_key.key);
+ o->u.private_key.key = NULL;
+ st_logf("private key doesn't verify\n");
+ } else {
+ st_logf("private key usable\n");
+ soft_token.flags.login_done = 1;
+ }
+ }
+ }
+
+ ret = CKR_OK;
+ out:
+ if (ret != CKR_OK) {
+ st_logf("something went wrong when adding cert!\n");
+
+ /* XXX wack o */;
+ }
+ free(cert_data);
+ free(serial_data);
+ free(issuer_data);
+ free(subject_data);
+
+ return ret;
+}
+
+static void
+find_object_final(struct session_state *state)
+{
+ if (state->find.attributes) {
+ CK_ULONG i;
+
+ for (i = 0; i < state->find.num_attributes; i++) {
+ if (state->find.attributes[i].pValue)
+ free(state->find.attributes[i].pValue);
+ }
+ free(state->find.attributes);
+ state->find.attributes = NULL;
+ state->find.num_attributes = 0;
+ state->find.next_object = -1;
+ }
+}
+
+static void
+reset_crypto_state(struct session_state *state)
+{
+ state->encrypt_object = -1;
+ if (state->encrypt_mechanism)
+ free(state->encrypt_mechanism);
+ state->encrypt_mechanism = NULL_PTR;
+ state->decrypt_object = -1;
+ if (state->decrypt_mechanism)
+ free(state->decrypt_mechanism);
+ state->decrypt_mechanism = NULL_PTR;
+ state->sign_object = -1;
+ if (state->sign_mechanism)
+ free(state->sign_mechanism);
+ state->sign_mechanism = NULL_PTR;
+ state->verify_object = -1;
+ if (state->verify_mechanism)
+ free(state->verify_mechanism);
+ state->verify_mechanism = NULL_PTR;
+ state->digest_object = -1;
+}
+
+static void
+close_session(struct session_state *state)
+{
+ if (state->find.attributes) {
+ application_error("application didn't do C_FindObjectsFinal\n");
+ find_object_final(state);
+ }
+
+ state->session_handle = CK_INVALID_HANDLE;
+ soft_token.application = NULL_PTR;
+ soft_token.notify = NULL_PTR;
+ reset_crypto_state(state);
+}
+
+static const char *
+has_session(void)
+{
+ return soft_token.open_sessions > 0 ? "yes" : "no";
+}
+
+static void
+read_conf_file(const char *fn)
+{
+ char buf[1024], *cert, *key, *id, *label, *s, *p;
+ int anchor;
+ FILE *f;
+
+ f = fopen(fn, "r");
+ if (f == NULL) {
+ st_logf("can't open configuration file %s\n", fn);
+ return;
+ }
+
+ while(fgets(buf, sizeof(buf), f) != NULL) {
+ buf[strcspn(buf, "\n")] = '\0';
+
+ anchor = 0;
+
+ st_logf("line: %s\n", buf);
+
+ p = buf;
+ while (isspace(*p))
+ p++;
+ if (*p == '#')
+ continue;
+ while (isspace(*p))
+ p++;
+
+ s = NULL;
+ id = strtok_r(p, "\t", &s);
+ if (id == NULL)
+ continue;
+ label = strtok_r(NULL, "\t", &s);
+ if (label == NULL)
+ continue;
+ cert = strtok_r(NULL, "\t", &s);
+ if (cert == NULL)
+ continue;
+ key = strtok_r(NULL, "\t", &s);
+
+ /* XXX */
+ if (strcmp(id, "anchor") == 0) {
+ id = "\x00\x00";
+ anchor = 1;
+ }
+
+ st_logf("adding: %s\n", label);
+
+ add_certificate(label, cert, key, id, anchor);
+ }
+}
+
+static CK_RV
+func_not_supported(void)
+{
+ st_logf("function not supported\n");
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_Initialize(CK_VOID_PTR a)
+{
+ CK_C_INITIALIZE_ARGS_PTR args = a;
+ st_logf("Initialize\n");
+ size_t i;
+
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+
+ srandom(getpid() ^ time(NULL));
+
+ for (i = 0; i < MAX_NUM_SESSION; i++) {
+ soft_token.state[i].session_handle = CK_INVALID_HANDLE;
+ soft_token.state[i].find.attributes = NULL;
+ soft_token.state[i].find.num_attributes = 0;
+ soft_token.state[i].find.next_object = -1;
+ reset_crypto_state(&soft_token.state[i]);
+ }
+
+ soft_token.flags.hardware_slot = 1;
+ soft_token.flags.app_error_fatal = 0;
+ soft_token.flags.login_done = 0;
+
+ soft_token.object.objs = NULL;
+ soft_token.object.num_objs = 0;
+
+ soft_token.logfile = NULL;
+#if 1
+// soft_token.logfile = stdout;
+#endif
+#if 0
+ soft_token.logfile = fopen("/tmp/log-pkcs11.txt", "a");
+#endif
+
+ if (a != NULL_PTR) {
+ st_logf("\tCreateMutex:\t%p\n", args->CreateMutex);
+ st_logf("\tDestroyMutext\t%p\n", args->DestroyMutex);
+ st_logf("\tLockMutext\t%p\n", args->LockMutex);
+ st_logf("\tUnlockMutext\t%p\n", args->UnlockMutex);
+ st_logf("\tFlags\t%04x\n", (unsigned int)args->flags);
+ }
+
+ {
+ char *fn = NULL, *home = NULL;
+
+ if (getuid() == geteuid()) {
+ fn = getenv("SOFTPKCS11RC");
+ if (fn)
+ fn = strdup(fn);
+ home = getenv("HOME");
+ }
+ if (fn == NULL && home == NULL) {
+ struct passwd *pw = getpwuid(getuid());
+ if(pw != NULL)
+ home = pw->pw_dir;
+ }
+ if (fn == NULL) {
+ if (home)
+ asprintf(&fn, "%s/.soft-token.rc", home);
+ else
+ fn = strdup("/etc/soft-token.rc");
+ }
+
+ read_conf_file(fn);
+ free(fn);
+ }
+
+ return CKR_OK;
+}
+
+CK_RV
+C_Finalize(CK_VOID_PTR args)
+{
+ size_t i;
+
+ st_logf("Finalize\n");
+
+ for (i = 0; i < MAX_NUM_SESSION; i++) {
+ if (soft_token.state[i].session_handle != CK_INVALID_HANDLE) {
+ application_error("application finalized without "
+ "closing session\n");
+ close_session(&soft_token.state[i]);
+ }
+ }
+
+ return CKR_OK;
+}
+
+CK_RV
+C_GetInfo(CK_INFO_PTR args)
+{
+ st_logf("GetInfo\n");
+
+ memset(args, 17, sizeof(*args));
+ args->cryptokiVersion.major = 2;
+ args->cryptokiVersion.minor = 10;
+ snprintf_fill((char *)args->manufacturerID,
+ sizeof(args->manufacturerID),
+ ' ',
+ "SoftToken");
+ snprintf_fill((char *)args->libraryDescription,
+ sizeof(args->libraryDescription), ' ',
+ "SoftToken");
+ args->libraryVersion.major = 1;
+ args->libraryVersion.minor = 8;
+
+ return CKR_OK;
+}
+
+extern CK_FUNCTION_LIST funcs;
+
+CK_RV
+C_GetFunctionList(CK_FUNCTION_LIST_PTR_PTR ppFunctionList)
+{
+ *ppFunctionList = &funcs;
+ return CKR_OK;
+}
+
+CK_RV
+C_GetSlotList(CK_BBOOL tokenPresent,
+ CK_SLOT_ID_PTR pSlotList,
+ CK_ULONG_PTR pulCount)
+{
+ st_logf("GetSlotList: %s\n",
+ tokenPresent ? "tokenPresent" : "token not Present");
+ if (pSlotList)
+ pSlotList[0] = 1;
+ *pulCount = 1;
+ return CKR_OK;
+}
+
+CK_RV
+C_GetSlotInfo(CK_SLOT_ID slotID,
+ CK_SLOT_INFO_PTR pInfo)
+{
+ st_logf("GetSlotInfo: slot: %d : %s\n", (int)slotID, has_session());
+
+ memset(pInfo, 18, sizeof(*pInfo));
+
+ if (slotID != 1)
+ return CKR_ARGUMENTS_BAD;
+
+ snprintf_fill((char *)pInfo->slotDescription,
+ sizeof(pInfo->slotDescription),
+ ' ',
+ "SoftToken (slot)");
+ snprintf_fill((char *)pInfo->manufacturerID,
+ sizeof(pInfo->manufacturerID),
+ ' ',
+ "SoftToken (slot)");
+ pInfo->flags = CKF_TOKEN_PRESENT;
+ if (soft_token.flags.hardware_slot)
+ pInfo->flags |= CKF_HW_SLOT;
+ pInfo->hardwareVersion.major = 1;
+ pInfo->hardwareVersion.minor = 0;
+ pInfo->firmwareVersion.major = 1;
+ pInfo->firmwareVersion.minor = 0;
+
+ return CKR_OK;
+}
+
+CK_RV
+C_GetTokenInfo(CK_SLOT_ID slotID,
+ CK_TOKEN_INFO_PTR pInfo)
+{
+ st_logf("GetTokenInfo: %s\n", has_session());
+
+ memset(pInfo, 19, sizeof(*pInfo));
+
+ snprintf_fill((char *)pInfo->label,
+ sizeof(pInfo->label),
+ ' ',
+ "SoftToken (token)");
+ snprintf_fill((char *)pInfo->manufacturerID,
+ sizeof(pInfo->manufacturerID),
+ ' ',
+ "SoftToken (token)");
+ snprintf_fill((char *)pInfo->model,
+ sizeof(pInfo->model),
+ ' ',
+ "SoftToken (token)");
+ snprintf_fill((char *)pInfo->serialNumber,
+ sizeof(pInfo->serialNumber),
+ ' ',
+ "4711");
+ pInfo->flags =
+ CKF_TOKEN_INITIALIZED |
+ CKF_USER_PIN_INITIALIZED;
+
+ if (soft_token.flags.login_done == 0)
+ pInfo->flags |= CKF_LOGIN_REQUIRED;
+
+ /* CFK_RNG |
+ CKF_RESTORE_KEY_NOT_NEEDED |
+ */
+ pInfo->ulMaxSessionCount = MAX_NUM_SESSION;
+ pInfo->ulSessionCount = soft_token.open_sessions;
+ pInfo->ulMaxRwSessionCount = MAX_NUM_SESSION;
+ pInfo->ulRwSessionCount = soft_token.open_sessions;
+ pInfo->ulMaxPinLen = 1024;
+ pInfo->ulMinPinLen = 0;
+ pInfo->ulTotalPublicMemory = 4711;
+ pInfo->ulFreePublicMemory = 4712;
+ pInfo->ulTotalPrivateMemory = 4713;
+ pInfo->ulFreePrivateMemory = 4714;
+ pInfo->hardwareVersion.major = 2;
+ pInfo->hardwareVersion.minor = 0;
+ pInfo->firmwareVersion.major = 2;
+ pInfo->firmwareVersion.minor = 0;
+
+ return CKR_OK;
+}
+
+CK_RV
+C_GetMechanismList(CK_SLOT_ID slotID,
+ CK_MECHANISM_TYPE_PTR pMechanismList,
+ CK_ULONG_PTR pulCount)
+{
+ st_logf("GetMechanismList\n");
+
+ *pulCount = 2;
+ if (pMechanismList == NULL_PTR)
+ return CKR_OK;
+ pMechanismList[0] = CKM_RSA_X_509;
+ pMechanismList[1] = CKM_RSA_PKCS;
+
+ return CKR_OK;
+}
+
+CK_RV
+C_GetMechanismInfo(CK_SLOT_ID slotID,
+ CK_MECHANISM_TYPE type,
+ CK_MECHANISM_INFO_PTR pInfo)
+{
+ st_logf("GetMechanismInfo: slot %d type: %d\n",
+ (int)slotID, (int)type);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_InitToken(CK_SLOT_ID slotID,
+ CK_UTF8CHAR_PTR pPin,
+ CK_ULONG ulPinLen,
+ CK_UTF8CHAR_PTR pLabel)
+{
+ st_logf("InitToken: slot %d\n", (int)slotID);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_OpenSession(CK_SLOT_ID slotID,
+ CK_FLAGS flags,
+ CK_VOID_PTR pApplication,
+ CK_NOTIFY Notify,
+ CK_SESSION_HANDLE_PTR phSession)
+{
+ size_t i;
+
+ st_logf("OpenSession: slot: %d\n", (int)slotID);
+
+ if (soft_token.open_sessions == MAX_NUM_SESSION)
+ return CKR_SESSION_COUNT;
+
+ soft_token.application = pApplication;
+ soft_token.notify = Notify;
+
+ for (i = 0; i < MAX_NUM_SESSION; i++)
+ if (soft_token.state[i].session_handle == CK_INVALID_HANDLE)
+ break;
+ if (i == MAX_NUM_SESSION)
+ abort();
+
+ soft_token.open_sessions++;
+
+ soft_token.state[i].session_handle =
+ (CK_SESSION_HANDLE)(random() & 0xfffff);
+ *phSession = soft_token.state[i].session_handle;
+
+ return CKR_OK;
+}
+
+CK_RV
+C_CloseSession(CK_SESSION_HANDLE hSession)
+{
+ struct session_state *state;
+ st_logf("CloseSession\n");
+
+ if (verify_session_handle(hSession, &state) != CKR_OK)
+ application_error("closed session not open");
+ else
+ close_session(state);
+
+ return CKR_OK;
+}
+
+CK_RV
+C_CloseAllSessions(CK_SLOT_ID slotID)
+{
+ size_t i;
+
+ st_logf("CloseAllSessions\n");
+
+ for (i = 0; i < MAX_NUM_SESSION; i++)
+ if (soft_token.state[i].session_handle != CK_INVALID_HANDLE)
+ close_session(&soft_token.state[i]);
+
+ return CKR_OK;
+}
+
+CK_RV
+C_GetSessionInfo(CK_SESSION_HANDLE hSession,
+ CK_SESSION_INFO_PTR pInfo)
+{
+ st_logf("GetSessionInfo\n");
+
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+
+ memset(pInfo, 20, sizeof(*pInfo));
+
+ pInfo->slotID = 1;
+ if (soft_token.flags.login_done)
+ pInfo->state = CKS_RO_USER_FUNCTIONS;
+ else
+ pInfo->state = CKS_RO_PUBLIC_SESSION;
+ pInfo->flags = CKF_SERIAL_SESSION;
+ pInfo->ulDeviceError = 0;
+
+ return CKR_OK;
+}
+
+CK_RV
+C_Login(CK_SESSION_HANDLE hSession,
+ CK_USER_TYPE userType,
+ CK_UTF8CHAR_PTR pPin,
+ CK_ULONG ulPinLen)
+{
+ char *pin = NULL;
+ int i;
+
+ st_logf("Login\n");
+
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+
+ if (pPin != NULL_PTR) {
+ asprintf(&pin, "%.*s", (int)ulPinLen, pPin);
+ st_logf("type: %d password: %s\n", (int)userType, pin);
+ }
+
+ for (i = 0; i < soft_token.object.num_objs; i++) {
+ struct st_object *o = soft_token.object.objs[i];
+ FILE *f;
+
+ if (o->type != STO_T_PRIVATE_KEY)
+ continue;
+
+ if (o->u.private_key.key)
+ continue;
+
+ f = fopen(o->u.private_key.file, "r");
+ if (f == NULL) {
+ st_logf("can't open private file: %s\n", o->u.private_key.file);
+ continue;
+ }
+
+ o->u.private_key.key = PEM_read_PrivateKey(f, NULL, NULL, pin);
+ fclose(f);
+ if (o->u.private_key.key == NULL) {
+ st_logf("failed to read key: %s error: %s\n",
+ o->u.private_key.file,
+ ERR_error_string(ERR_get_error(), NULL));
+ /* just ignore failure */;
+ continue;
+ }
+
+ /* XXX check keytype */
+ RSA *rsa = EVP_PKEY_get0_RSA(o->u.private_key.key);
+ RSA_set_method(rsa, RSA_PKCS1_OpenSSL());
+
+ if (X509_check_private_key(o->u.private_key.cert, o->u.private_key.key) != 1) {
+ EVP_PKEY_free(o->u.private_key.key);
+ o->u.private_key.key = NULL;
+ st_logf("private key %s doesn't verify\n", o->u.private_key.file);
+ continue;
+ }
+
+ soft_token.flags.login_done = 1;
+ }
+ free(pin);
+
+ return soft_token.flags.login_done ? CKR_OK : CKR_PIN_INCORRECT;
+}
+
+CK_RV
+C_Logout(CK_SESSION_HANDLE hSession)
+{
+ st_logf("Logout\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_GetObjectSize(CK_SESSION_HANDLE hSession,
+ CK_OBJECT_HANDLE hObject,
+ CK_ULONG_PTR pulSize)
+{
+ st_logf("GetObjectSize\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_GetAttributeValue(CK_SESSION_HANDLE hSession,
+ CK_OBJECT_HANDLE hObject,
+ CK_ATTRIBUTE_PTR pTemplate,
+ CK_ULONG ulCount)
+{
+ struct session_state *state;
+ struct st_object *obj;
+ CK_ULONG i;
+ CK_RV ret;
+ int j;
+
+ st_logf("GetAttributeValue: %lx\n",
+ (unsigned long)HANDLE_OBJECT_ID(hObject));
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if ((ret = object_handle_to_object(hObject, &obj)) != CKR_OK) {
+ st_logf("object not found: %lx\n",
+ (unsigned long)HANDLE_OBJECT_ID(hObject));
+ return ret;
+ }
+
+ ret = CKR_OK;
+ for (i = 0; i < ulCount; i++) {
+ st_logf(" getting 0x%08lx\n", (unsigned long)pTemplate[i].type);
+ for (j = 0; j < obj->num_attributes; j++) {
+ if (obj->attrs[j].secret) {
+ pTemplate[i].ulValueLen = (CK_ULONG)-1;
+ break;
+ }
+ if (pTemplate[i].type == obj->attrs[j].attribute.type) {
+ if (pTemplate[i].pValue != NULL_PTR && obj->attrs[j].secret == 0) {
+ if (pTemplate[i].ulValueLen >= obj->attrs[j].attribute.ulValueLen)
+ memcpy(pTemplate[i].pValue, obj->attrs[j].attribute.pValue,
+ obj->attrs[j].attribute.ulValueLen);
+ }
+ pTemplate[i].ulValueLen = obj->attrs[j].attribute.ulValueLen;
+ break;
+ }
+ }
+ if (j == obj->num_attributes) {
+ st_logf("key type: 0x%08lx not found\n", (unsigned long)pTemplate[i].type);
+ pTemplate[i].ulValueLen = (CK_ULONG)-1;
+ ret = CKR_ATTRIBUTE_TYPE_INVALID;
+ }
+
+ }
+ return ret;
+}
+
+CK_RV
+C_FindObjectsInit(CK_SESSION_HANDLE hSession,
+ CK_ATTRIBUTE_PTR pTemplate,
+ CK_ULONG ulCount)
+{
+ struct session_state *state;
+
+ st_logf("FindObjectsInit\n");
+
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->find.next_object != -1) {
+ application_error("application didn't do C_FindObjectsFinal\n");
+ find_object_final(state);
+ }
+ if (ulCount) {
+ CK_ULONG i;
+
+ print_attributes(pTemplate, ulCount);
+
+ state->find.attributes =
+ calloc(1, ulCount * sizeof(state->find.attributes[0]));
+ if (state->find.attributes == NULL)
+ return CKR_DEVICE_MEMORY;
+ for (i = 0; i < ulCount; i++) {
+ state->find.attributes[i].pValue =
+ malloc(pTemplate[i].ulValueLen);
+ if (state->find.attributes[i].pValue == NULL) {
+ find_object_final(state);
+ return CKR_DEVICE_MEMORY;
+ }
+ memcpy(state->find.attributes[i].pValue,
+ pTemplate[i].pValue, pTemplate[i].ulValueLen);
+ state->find.attributes[i].type = pTemplate[i].type;
+ state->find.attributes[i].ulValueLen = pTemplate[i].ulValueLen;
+ }
+ state->find.num_attributes = ulCount;
+ state->find.next_object = 0;
+ } else {
+ st_logf("find all objects\n");
+ state->find.attributes = NULL;
+ state->find.num_attributes = 0;
+ state->find.next_object = 0;
+ }
+
+ return CKR_OK;
+}
+
+CK_RV
+C_FindObjects(CK_SESSION_HANDLE hSession,
+ CK_OBJECT_HANDLE_PTR phObject,
+ CK_ULONG ulMaxObjectCount,
+ CK_ULONG_PTR pulObjectCount)
+{
+ struct session_state *state;
+ int i;
+
+ st_logf("FindObjects\n");
+
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->find.next_object == -1) {
+ application_error("application didn't do C_FindObjectsInit\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+ if (ulMaxObjectCount == 0) {
+ application_error("application asked for 0 objects\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+ *pulObjectCount = 0;
+ for (i = state->find.next_object; i < soft_token.object.num_objs; i++) {
+ st_logf("FindObjects: %d\n", i);
+ state->find.next_object = i + 1;
+ if (attributes_match(soft_token.object.objs[i],
+ state->find.attributes,
+ state->find.num_attributes)) {
+ *phObject++ = soft_token.object.objs[i]->object_handle;
+ ulMaxObjectCount--;
+ (*pulObjectCount)++;
+ if (ulMaxObjectCount == 0)
+ break;
+ }
+ }
+ return CKR_OK;
+}
+
+CK_RV
+C_FindObjectsFinal(CK_SESSION_HANDLE hSession)
+{
+ struct session_state *state;
+
+ st_logf("FindObjectsFinal\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+ find_object_final(state);
+ return CKR_OK;
+}
+
+static CK_RV
+commonInit(CK_ATTRIBUTE *attr_match, int attr_match_len,
+ const CK_MECHANISM_TYPE *mechs, int mechs_len,
+ const CK_MECHANISM_PTR pMechanism, CK_OBJECT_HANDLE hKey,
+ struct st_object **o)
+{
+ CK_RV ret;
+ int i;
+
+ *o = NULL;
+ if ((ret = object_handle_to_object(hKey, o)) != CKR_OK)
+ return ret;
+
+ ret = attributes_match(*o, attr_match, attr_match_len);
+ if (!ret) {
+ application_error("called commonInit on key that doesn't "
+ "support required attr");
+ return CKR_ARGUMENTS_BAD;
+ }
+
+ for (i = 0; i < mechs_len; i++)
+ if (mechs[i] == pMechanism->mechanism)
+ break;
+ if (i == mechs_len) {
+ application_error("called mech (%08lx) not supported\n",
+ pMechanism->mechanism);
+ return CKR_ARGUMENTS_BAD;
+ }
+ return CKR_OK;
+}
+
+
+static CK_RV
+dup_mechanism(CK_MECHANISM_PTR *dup, const CK_MECHANISM_PTR pMechanism)
+{
+ CK_MECHANISM_PTR p;
+
+ p = malloc(sizeof(*p));
+ if (p == NULL)
+ return CKR_DEVICE_MEMORY;
+
+ if (*dup)
+ free(*dup);
+ *dup = p;
+ memcpy(p, pMechanism, sizeof(*p));
+
+ return CKR_OK;
+}
+
+
+CK_RV
+C_EncryptInit(CK_SESSION_HANDLE hSession,
+ CK_MECHANISM_PTR pMechanism,
+ CK_OBJECT_HANDLE hKey)
+{
+ struct session_state *state;
+ CK_MECHANISM_TYPE mechs[] = { CKM_RSA_PKCS, CKM_RSA_X_509 };
+ CK_BBOOL bool_true = CK_TRUE;
+ CK_ATTRIBUTE attr[] = {
+ { CKA_ENCRYPT, &bool_true, sizeof(bool_true) }
+ };
+ struct st_object *o;
+ CK_RV ret;
+
+ st_logf("EncryptInit\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ ret = commonInit(attr, sizeof(attr)/sizeof(attr[0]),
+ mechs, sizeof(mechs)/sizeof(mechs[0]),
+ pMechanism, hKey, &o);
+ if (ret)
+ return ret;
+
+ ret = dup_mechanism(&state->encrypt_mechanism, pMechanism);
+ if (ret == CKR_OK)
+ state->encrypt_object = OBJECT_ID(o);
+
+ return ret;
+}
+
+CK_RV
+C_Encrypt(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pData,
+ CK_ULONG ulDataLen,
+ CK_BYTE_PTR pEncryptedData,
+ CK_ULONG_PTR pulEncryptedDataLen)
+{
+ struct session_state *state;
+ struct st_object *o;
+ void *buffer = NULL;
+ CK_RV ret;
+ RSA *rsa;
+ int padding, len, buffer_len, padding_len;
+
+ st_logf("Encrypt\n");
+
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->encrypt_object == -1)
+ return CKR_ARGUMENTS_BAD;
+
+ o = soft_token.object.objs[state->encrypt_object];
+
+ if (o->u.public_key == NULL) {
+ st_logf("public key NULL\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+
+ rsa = EVP_PKEY_get0_RSA(o->u.public_key);
+ if (rsa == NULL)
+ return CKR_ARGUMENTS_BAD;
+
+ RSA_blinding_off(rsa); /* XXX RAND is broken while running in mozilla ? */
+
+ buffer_len = RSA_size(rsa);
+
+ buffer = malloc(buffer_len);
+ if (buffer == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+
+ ret = CKR_OK;
+ switch(state->encrypt_mechanism->mechanism) {
+ case CKM_RSA_PKCS:
+ padding = RSA_PKCS1_PADDING;
+ padding_len = RSA_PKCS1_PADDING_SIZE;
+ break;
+ case CKM_RSA_X_509:
+ padding = RSA_NO_PADDING;
+ padding_len = 0;
+ break;
+ default:
+ ret = CKR_FUNCTION_NOT_SUPPORTED;
+ goto out;
+ }
+
+ if (buffer_len + padding_len < (long) ulDataLen) {
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pulEncryptedDataLen == NULL) {
+ st_logf("pulEncryptedDataLen NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pData == NULL_PTR) {
+ st_logf("data NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ len = RSA_public_encrypt(ulDataLen, pData, buffer, rsa, padding);
+ if (len <= 0) {
+ ret = CKR_DEVICE_ERROR;
+ goto out;
+ }
+ if (len > buffer_len)
+ abort();
+
+ if (pEncryptedData != NULL_PTR)
+ memcpy(pEncryptedData, buffer, len);
+ *pulEncryptedDataLen = len;
+
+ out:
+ if (buffer) {
+ memset(buffer, 0, buffer_len);
+ free(buffer);
+ }
+ return ret;
+}
+
+CK_RV
+C_EncryptUpdate(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pPart,
+ CK_ULONG ulPartLen,
+ CK_BYTE_PTR pEncryptedPart,
+ CK_ULONG_PTR pulEncryptedPartLen)
+{
+ st_logf("EncryptUpdate\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+
+CK_RV
+C_EncryptFinal(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pLastEncryptedPart,
+ CK_ULONG_PTR pulLastEncryptedPartLen)
+{
+ st_logf("EncryptFinal\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+
+/* C_DecryptInit initializes a decryption operation. */
+CK_RV
+C_DecryptInit(CK_SESSION_HANDLE hSession,
+ CK_MECHANISM_PTR pMechanism,
+ CK_OBJECT_HANDLE hKey)
+{
+ struct session_state *state;
+ CK_MECHANISM_TYPE mechs[] = { CKM_RSA_PKCS, CKM_RSA_X_509 };
+ CK_BBOOL bool_true = CK_TRUE;
+ CK_ATTRIBUTE attr[] = {
+ { CKA_DECRYPT, &bool_true, sizeof(bool_true) }
+ };
+ struct st_object *o;
+ CK_RV ret;
+
+ st_logf("DecryptInit\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ ret = commonInit(attr, sizeof(attr)/sizeof(attr[0]),
+ mechs, sizeof(mechs)/sizeof(mechs[0]),
+ pMechanism, hKey, &o);
+ if (ret)
+ return ret;
+
+ ret = dup_mechanism(&state->decrypt_mechanism, pMechanism);
+ if (ret == CKR_OK)
+ state->decrypt_object = OBJECT_ID(o);
+
+ return CKR_OK;
+}
+
+
+CK_RV
+C_Decrypt(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pEncryptedData,
+ CK_ULONG ulEncryptedDataLen,
+ CK_BYTE_PTR pData,
+ CK_ULONG_PTR pulDataLen)
+{
+ struct session_state *state;
+ struct st_object *o;
+ void *buffer = NULL;
+ CK_RV ret;
+ RSA *rsa;
+ int padding, len, buffer_len, padding_len;
+
+ st_logf("Decrypt\n");
+
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->decrypt_object == -1)
+ return CKR_ARGUMENTS_BAD;
+
+ o = soft_token.object.objs[state->decrypt_object];
+
+ if (o->u.private_key.key == NULL) {
+ st_logf("private key NULL\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+
+ rsa = EVP_PKEY_get0_RSA(o->u.private_key.key);
+ if (rsa == NULL)
+ return CKR_ARGUMENTS_BAD;
+
+ RSA_blinding_off(rsa); /* XXX RAND is broken while running in mozilla ? */
+
+ buffer_len = RSA_size(rsa);
+
+ buffer = malloc(buffer_len);
+ if (buffer == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+
+ ret = CKR_OK;
+ switch(state->decrypt_mechanism->mechanism) {
+ case CKM_RSA_PKCS:
+ padding = RSA_PKCS1_PADDING;
+ padding_len = RSA_PKCS1_PADDING_SIZE;
+ break;
+ case CKM_RSA_X_509:
+ padding = RSA_NO_PADDING;
+ padding_len = 0;
+ break;
+ default:
+ ret = CKR_FUNCTION_NOT_SUPPORTED;
+ goto out;
+ }
+
+ if (buffer_len + padding_len < (long) ulEncryptedDataLen) {
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pulDataLen == NULL) {
+ st_logf("pulDataLen NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pEncryptedData == NULL_PTR) {
+ st_logf("data NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ len = RSA_private_decrypt(ulEncryptedDataLen, pEncryptedData, buffer,
+ rsa, padding);
+ if (len <= 0) {
+ ret = CKR_DEVICE_ERROR;
+ goto out;
+ }
+ if (len > buffer_len)
+ abort();
+
+ if (pData != NULL_PTR)
+ memcpy(pData, buffer, len);
+ *pulDataLen = len;
+
+ out:
+ if (buffer) {
+ memset(buffer, 0, buffer_len);
+ free(buffer);
+ }
+ return ret;
+}
+
+
+CK_RV
+C_DecryptUpdate(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pEncryptedPart,
+ CK_ULONG ulEncryptedPartLen,
+ CK_BYTE_PTR pPart,
+ CK_ULONG_PTR pulPartLen)
+
+{
+ st_logf("DecryptUpdate\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+
+CK_RV
+C_DecryptFinal(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pLastPart,
+ CK_ULONG_PTR pulLastPartLen)
+{
+ st_logf("DecryptFinal\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_DigestInit(CK_SESSION_HANDLE hSession,
+ CK_MECHANISM_PTR pMechanism)
+{
+ st_logf("DigestInit\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_SignInit(CK_SESSION_HANDLE hSession,
+ CK_MECHANISM_PTR pMechanism,
+ CK_OBJECT_HANDLE hKey)
+{
+ struct session_state *state;
+ CK_MECHANISM_TYPE mechs[] = { CKM_RSA_PKCS, CKM_RSA_X_509 };
+ CK_BBOOL bool_true = CK_TRUE;
+ CK_ATTRIBUTE attr[] = {
+ { CKA_SIGN, &bool_true, sizeof(bool_true) }
+ };
+ struct st_object *o;
+ CK_RV ret;
+
+ st_logf("SignInit\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ ret = commonInit(attr, sizeof(attr)/sizeof(attr[0]),
+ mechs, sizeof(mechs)/sizeof(mechs[0]),
+ pMechanism, hKey, &o);
+ if (ret)
+ return ret;
+
+ ret = dup_mechanism(&state->sign_mechanism, pMechanism);
+ if (ret == CKR_OK)
+ state->sign_object = OBJECT_ID(o);
+
+ return CKR_OK;
+}
+
+CK_RV
+C_Sign(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pData,
+ CK_ULONG ulDataLen,
+ CK_BYTE_PTR pSignature,
+ CK_ULONG_PTR pulSignatureLen)
+{
+ struct session_state *state;
+ struct st_object *o;
+ void *buffer = NULL;
+ CK_RV ret;
+ RSA *rsa;
+ int padding, len, buffer_len;
+ size_t padding_len;
+
+ st_logf("Sign\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->sign_object == -1)
+ return CKR_ARGUMENTS_BAD;
+
+ o = soft_token.object.objs[state->sign_object];
+
+ if (o->u.private_key.key == NULL) {
+ st_logf("private key NULL\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+
+ rsa = EVP_PKEY_get0_RSA(o->u.private_key.key);
+ if (rsa == NULL)
+ return CKR_ARGUMENTS_BAD;
+
+ RSA_blinding_off(rsa); /* XXX RAND is broken while running in mozilla ? */
+
+ buffer_len = RSA_size(rsa);
+
+ buffer = malloc(buffer_len);
+ if (buffer == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+
+ switch(state->sign_mechanism->mechanism) {
+ case CKM_RSA_PKCS:
+ padding = RSA_PKCS1_PADDING;
+ padding_len = RSA_PKCS1_PADDING_SIZE;
+ break;
+ case CKM_RSA_X_509:
+ padding = RSA_NO_PADDING;
+ padding_len = 0;
+ break;
+ default:
+ ret = CKR_FUNCTION_NOT_SUPPORTED;
+ goto out;
+ }
+
+ if ((size_t) buffer_len < ulDataLen + padding_len) {
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pulSignatureLen == NULL) {
+ st_logf("signature len NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pData == NULL_PTR) {
+ st_logf("data NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ len = RSA_private_encrypt(ulDataLen, pData, buffer, rsa, padding);
+ st_logf("private encrypt done\n");
+ if (len <= 0) {
+ ret = CKR_DEVICE_ERROR;
+ goto out;
+ }
+ if (len > buffer_len)
+ abort();
+
+ if (pSignature != NULL_PTR)
+ memcpy(pSignature, buffer, len);
+ *pulSignatureLen = len;
+
+ ret = CKR_OK;
+
+ out:
+ if (buffer) {
+ memset(buffer, 0, buffer_len);
+ free(buffer);
+ }
+ return ret;
+}
+
+CK_RV
+C_SignUpdate(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pPart,
+ CK_ULONG ulPartLen)
+{
+ st_logf("SignUpdate\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+
+CK_RV
+C_SignFinal(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pSignature,
+ CK_ULONG_PTR pulSignatureLen)
+{
+ st_logf("SignUpdate\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_VerifyInit(CK_SESSION_HANDLE hSession,
+ CK_MECHANISM_PTR pMechanism,
+ CK_OBJECT_HANDLE hKey)
+{
+ struct session_state *state;
+ CK_MECHANISM_TYPE mechs[] = { CKM_RSA_PKCS, CKM_RSA_X_509 };
+ CK_BBOOL bool_true = CK_TRUE;
+ CK_ATTRIBUTE attr[] = {
+ { CKA_VERIFY, &bool_true, sizeof(bool_true) }
+ };
+ struct st_object *o;
+ CK_RV ret;
+
+ st_logf("VerifyInit\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ ret = commonInit(attr, sizeof(attr)/sizeof(attr[0]),
+ mechs, sizeof(mechs)/sizeof(mechs[0]),
+ pMechanism, hKey, &o);
+ if (ret)
+ return ret;
+
+ ret = dup_mechanism(&state->verify_mechanism, pMechanism);
+ if (ret == CKR_OK)
+ state->verify_object = OBJECT_ID(o);
+
+ return ret;
+}
+
+CK_RV
+C_Verify(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pData,
+ CK_ULONG ulDataLen,
+ CK_BYTE_PTR pSignature,
+ CK_ULONG ulSignatureLen)
+{
+ struct session_state *state;
+ struct st_object *o;
+ void *buffer = NULL;
+ CK_RV ret;
+ RSA *rsa;
+ int padding, len, buffer_len;
+
+ st_logf("Verify\n");
+ VERIFY_SESSION_HANDLE(hSession, &state);
+
+ if (state->verify_object == -1)
+ return CKR_ARGUMENTS_BAD;
+
+ o = soft_token.object.objs[state->verify_object];
+
+ if (o->u.public_key == NULL) {
+ st_logf("public key NULL\n");
+ return CKR_ARGUMENTS_BAD;
+ }
+
+ rsa = EVP_PKEY_get0_RSA(o->u.public_key);
+ if (rsa == NULL)
+ return CKR_ARGUMENTS_BAD;
+
+ RSA_blinding_off(rsa); /* XXX RAND is broken while running in mozilla ? */
+
+ buffer_len = RSA_size(rsa);
+
+ buffer = malloc(buffer_len);
+ if (buffer == NULL) {
+ ret = CKR_DEVICE_MEMORY;
+ goto out;
+ }
+
+ ret = CKR_OK;
+ switch(state->verify_mechanism->mechanism) {
+ case CKM_RSA_PKCS:
+ padding = RSA_PKCS1_PADDING;
+ break;
+ case CKM_RSA_X_509:
+ padding = RSA_NO_PADDING;
+ break;
+ default:
+ ret = CKR_FUNCTION_NOT_SUPPORTED;
+ goto out;
+ }
+
+ if (buffer_len < (long) ulDataLen) {
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pSignature == NULL) {
+ st_logf("signature NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ if (pData == NULL_PTR) {
+ st_logf("data NULL\n");
+ ret = CKR_ARGUMENTS_BAD;
+ goto out;
+ }
+
+ len = RSA_public_decrypt(ulDataLen, pData, buffer, rsa, padding);
+ st_logf("private encrypt done\n");
+ if (len <= 0) {
+ ret = CKR_DEVICE_ERROR;
+ goto out;
+ }
+ if (len > buffer_len)
+ abort();
+
+ if ((size_t) len != ulSignatureLen) {
+ ret = CKR_GENERAL_ERROR;
+ goto out;
+ }
+
+ if (memcmp(pSignature, buffer, len) != 0) {
+ ret = CKR_GENERAL_ERROR;
+ goto out;
+ }
+
+ out:
+ if (buffer) {
+ memset(buffer, 0, buffer_len);
+ free(buffer);
+ }
+ return ret;
+}
+
+
+CK_RV
+C_VerifyUpdate(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pPart,
+ CK_ULONG ulPartLen)
+{
+ st_logf("VerifyUpdate\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_VerifyFinal(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR pSignature,
+ CK_ULONG ulSignatureLen)
+{
+ st_logf("VerifyFinal\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+CK_RV
+C_GenerateRandom(CK_SESSION_HANDLE hSession,
+ CK_BYTE_PTR RandomData,
+ CK_ULONG ulRandomLen)
+{
+ st_logf("GenerateRandom\n");
+ VERIFY_SESSION_HANDLE(hSession, NULL);
+ return CKR_FUNCTION_NOT_SUPPORTED;
+}
+
+
+CK_FUNCTION_LIST funcs = {
+ { 2, 11 },
+ C_Initialize,
+ C_Finalize,
+ C_GetInfo,
+ C_GetFunctionList,
+ C_GetSlotList,
+ C_GetSlotInfo,
+ C_GetTokenInfo,
+ C_GetMechanismList,
+ C_GetMechanismInfo,
+ C_InitToken,
+ (void *)func_not_supported, /* C_InitPIN */
+ (void *)func_not_supported, /* C_SetPIN */
+ C_OpenSession,
+ C_CloseSession,
+ C_CloseAllSessions,
+ C_GetSessionInfo,
+ (void *)func_not_supported, /* C_GetOperationState */
+ (void *)func_not_supported, /* C_SetOperationState */
+ C_Login,
+ C_Logout,
+ (void *)func_not_supported, /* C_CreateObject */
+ (void *)func_not_supported, /* C_CopyObject */
+ (void *)func_not_supported, /* C_DestroyObject */
+ (void *)func_not_supported, /* C_GetObjectSize */
+ C_GetAttributeValue,
+ (void *)func_not_supported, /* C_SetAttributeValue */
+ C_FindObjectsInit,
+ C_FindObjects,
+ C_FindObjectsFinal,
+ C_EncryptInit,
+ C_Encrypt,
+ C_EncryptUpdate,
+ C_EncryptFinal,
+ C_DecryptInit,
+ C_Decrypt,
+ C_DecryptUpdate,
+ C_DecryptFinal,
+ C_DigestInit,
+ (void *)func_not_supported, /* C_Digest */
+ (void *)func_not_supported, /* C_DigestUpdate */
+ (void *)func_not_supported, /* C_DigestKey */
+ (void *)func_not_supported, /* C_DigestFinal */
+ C_SignInit,
+ C_Sign,
+ C_SignUpdate,
+ C_SignFinal,
+ (void *)func_not_supported, /* C_SignRecoverInit */
+ (void *)func_not_supported, /* C_SignRecover */
+ C_VerifyInit,
+ C_Verify,
+ C_VerifyUpdate,
+ C_VerifyFinal,
+ (void *)func_not_supported, /* C_VerifyRecoverInit */
+ (void *)func_not_supported, /* C_VerifyRecover */
+ (void *)func_not_supported, /* C_DigestEncryptUpdate */
+ (void *)func_not_supported, /* C_DecryptDigestUpdate */
+ (void *)func_not_supported, /* C_SignEncryptUpdate */
+ (void *)func_not_supported, /* C_DecryptVerifyUpdate */
+ (void *)func_not_supported, /* C_GenerateKey */
+ (void *)func_not_supported, /* C_GenerateKeyPair */
+ (void *)func_not_supported, /* C_WrapKey */
+ (void *)func_not_supported, /* C_UnwrapKey */
+ (void *)func_not_supported, /* C_DeriveKey */
+ (void *)func_not_supported, /* C_SeedRandom */
+ C_GenerateRandom,
+ (void *)func_not_supported, /* C_GetFunctionStatus */
+ (void *)func_not_supported, /* C_CancelFunction */
+ (void *)func_not_supported /* C_WaitForSlotEvent */
+};
diff -up openssh/regress/unittests/Makefile.pkcs11-uri openssh/regress/unittests/Makefile
--- openssh/regress/unittests/Makefile.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/regress/unittests/Makefile 2018-10-12 13:52:55.453191425 +0200
@@ -2,6 +2,6 @@
REGRESS_FAIL_EARLY?= yes
SUBDIR= test_helper sshbuf sshkey bitmap kex hostkeys utf8 match conversion
-SUBDIR+=authopt
+SUBDIR+=pkcs11 authopt
.include <bsd.subdir.mk>
diff -up openssh/regress/unittests/pkcs11/Makefile.pkcs11-uri openssh/regress/unittests/pkcs11/Makefile
--- openssh/regress/unittests/pkcs11/Makefile.pkcs11-uri 2018-10-12 13:52:55.453191425 +0200
+++ openssh/regress/unittests/pkcs11/Makefile 2018-10-12 13:52:55.453191425 +0200
@@ -0,0 +1,9 @@
+
+PROG=test_pkcs11
+SRCS=tests.c
+REGRESS_TARGETS=run-regress-${PROG}
+
+run-regress-${PROG}: ${PROG}
+ env ${TEST_ENV} ./${PROG}
+
+.include <bsd.regress.mk>
diff -up openssh/regress/unittests/pkcs11/tests.c.pkcs11-uri openssh/regress/unittests/pkcs11/tests.c
--- openssh/regress/unittests/pkcs11/tests.c.pkcs11-uri 2018-10-12 13:52:55.453191425 +0200
+++ openssh/regress/unittests/pkcs11/tests.c 2018-10-12 13:52:55.453191425 +0200
@@ -0,0 +1,330 @@
+/*
+ * Copyright (c) 2017 Red Hat
+ *
+ * Authors: Jakub Jelen <jjelen@redhat.com>
+ *
+ * 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 <locale.h>
+#include <string.h>
+
+#include "../test_helper/test_helper.h"
+
+#include "sshbuf.h"
+#include "ssh-pkcs11-uri.h"
+
+#define EMPTY_URI compose_uri(NULL, 0, NULL, NULL, NULL, NULL, NULL)
+
+/* prototypes are not public -- specify them here internally for tests */
+struct sshbuf *percent_encode(const char *, size_t, char *);
+int percent_decode(char *, char **);
+
+void
+compare_uri(struct pkcs11_uri *a, struct pkcs11_uri *b)
+{
+ ASSERT_PTR_NE(a, NULL);
+ ASSERT_PTR_NE(b, NULL);
+ ASSERT_SIZE_T_EQ(a->id_len, b->id_len);
+ ASSERT_MEM_EQ(a->id, b->id, a->id_len);
+ if (b->object != NULL)
+ ASSERT_STRING_EQ(a->object, b->object);
+ else /* both should be null */
+ ASSERT_PTR_EQ(a->object, b->object);
+ if (b->module_path != NULL)
+ ASSERT_STRING_EQ(a->module_path, b->module_path);
+ else /* both should be null */
+ ASSERT_PTR_EQ(a->module_path, b->module_path);
+ if (b->token != NULL)
+ ASSERT_STRING_EQ(a->token, b->token);
+ else /* both should be null */
+ ASSERT_PTR_EQ(a->token, b->token);
+ if (b->manuf != NULL)
+ ASSERT_STRING_EQ(a->manuf, b->manuf);
+ else /* both should be null */
+ ASSERT_PTR_EQ(a->manuf, b->manuf);
+ if (b->lib_manuf != NULL)
+ ASSERT_STRING_EQ(a->lib_manuf, b->lib_manuf);
+ else /* both should be null */
+ ASSERT_PTR_EQ(a->lib_manuf, b->lib_manuf);
+}
+
+void
+check_parse_rv(char *uri, struct pkcs11_uri *expect, int expect_rv)
+{
+ char *buf = NULL, *str;
+ struct pkcs11_uri *pkcs11uri = NULL;
+ int rv;
+
+ if (expect_rv == 0)
+ str = "Valid";
+ else
+ str = "Invalid";
+ asprintf(&buf, "%s PKCS#11 URI parsing: %s", str, uri);
+ TEST_START(buf);
+ free(buf);
+ pkcs11uri = pkcs11_uri_init();
+ rv = pkcs11_uri_parse(uri, pkcs11uri);
+ ASSERT_INT_EQ(rv, expect_rv);
+ if (rv == 0) /* in case of failure result is undefined */
+ compare_uri(pkcs11uri, expect);
+ pkcs11_uri_cleanup(pkcs11uri);
+ free(expect);
+ TEST_DONE();
+}
+
+void
+check_parse(char *uri, struct pkcs11_uri *expect)
+{
+ check_parse_rv(uri, expect, 0);
+}
+
+struct pkcs11_uri *
+compose_uri(unsigned char *id, size_t id_len, char *token, char *lib_manuf,
+ char *manuf, char *module_path, char *object)
+{
+ struct pkcs11_uri *uri = pkcs11_uri_init();
+ if (id_len > 0) {
+ uri->id_len = id_len;
+ uri->id = id;
+ }
+ uri->module_path = module_path;
+ uri->token = token;
+ uri->lib_manuf = lib_manuf;
+ uri->manuf = manuf;
+ uri->object = object;
+ return uri;
+}
+
+static void
+test_parse_valid(void)
+{
+ /* path arguments */
+ check_parse("pkcs11:id=%01",
+ compose_uri("\x01", 1, NULL, NULL, NULL, NULL, NULL));
+ check_parse("pkcs11:id=%00%01",
+ compose_uri("\x00\x01", 2, NULL, NULL, NULL, NULL, NULL));
+ check_parse("pkcs11:token=SSH%20Keys",
+ compose_uri(NULL, 0, "SSH Keys", NULL, NULL, NULL, NULL));
+ check_parse("pkcs11:library-manufacturer=OpenSC",
+ compose_uri(NULL, 0, NULL, "OpenSC", NULL, NULL, NULL));
+ check_parse("pkcs11:manufacturer=piv_II",
+ compose_uri(NULL, 0, NULL, NULL, "piv_II", NULL, NULL));
+ check_parse("pkcs11:object=SIGN%20Key",
+ compose_uri(NULL, 0, NULL, NULL, NULL, NULL, "SIGN Key"));
+ /* query arguments */
+ check_parse("pkcs11:?module-path=/usr/lib64/p11-kit-proxy.so",
+ compose_uri(NULL, 0, NULL, NULL, NULL, "/usr/lib64/p11-kit-proxy.so", NULL));
+
+ /* combinations */
+ /* ID SHOULD be percent encoded */
+ check_parse("pkcs11:token=SSH%20Key;id=0",
+ compose_uri("0", 1, "SSH Key", NULL, NULL, NULL, NULL));
+ check_parse(
+ "pkcs11:manufacturer=CAC?module-path=/usr/lib64/p11-kit-proxy.so",
+ compose_uri(NULL, 0, NULL, NULL, "CAC",
+ "/usr/lib64/p11-kit-proxy.so", NULL));
+ check_parse(
+ "pkcs11:object=RSA%20Key?module-path=/usr/lib64/pkcs11/opencryptoki.so",
+ compose_uri(NULL, 0, NULL, NULL, NULL,
+ "/usr/lib64/pkcs11/opencryptoki.so", "RSA Key"));
+
+ /* empty path component matches everything */
+ check_parse("pkcs11:", EMPTY_URI);
+
+ /* empty string is a valid to match against (and different from NULL) */
+ check_parse("pkcs11:token=",
+ compose_uri(NULL, 0, "", NULL, NULL, NULL, NULL));
+ /* Percent character needs to be percent-encoded */
+ check_parse("pkcs11:token=%25",
+ compose_uri(NULL, 0, "%", NULL, NULL, NULL, NULL));
+}
+
+static void
+test_parse_invalid(void)
+{
+ /* Invalid percent encoding */
+ check_parse_rv("pkcs11:id=%0", EMPTY_URI, -1);
+ /* Invalid percent encoding */
+ check_parse_rv("pkcs11:id=%ZZ", EMPTY_URI, -1);
+ /* Space MUST be percent encoded -- XXX not enforced yet */
+ check_parse("pkcs11:token=SSH Keys",
+ compose_uri(NULL, 0, "SSH Keys", NULL, NULL, NULL, NULL));
+ /* MUST NOT contain duplicate attributes of the same name */
+ check_parse_rv("pkcs11:id=%01;id=%02", EMPTY_URI, -1);
+ /* Unrecognized attribute in path are ignored with log message */
+ check_parse("pkcs11:key_name=SSH", EMPTY_URI);
+ /* Unrecognized attribute in query SHOULD be ignored */
+ check_parse("pkcs11:?key_name=SSH", EMPTY_URI);
+}
+
+void
+check_gen(char *expect, struct pkcs11_uri *uri)
+{
+ char *buf = NULL, *uri_str;
+
+ asprintf(&buf, "Valid PKCS#11 URI generation: %s", expect);
+ TEST_START(buf);
+ free(buf);
+ uri_str = pkcs11_uri_get(uri);
+ ASSERT_PTR_NE(uri_str, NULL);
+ ASSERT_STRING_EQ(uri_str, expect);
+ free(uri_str);
+ TEST_DONE();
+}
+
+static void
+test_generate_valid(void)
+{
+ /* path arguments */
+ check_gen("pkcs11:id=%01",
+ compose_uri("\x01", 1, NULL, NULL, NULL, NULL, NULL));
+ check_gen("pkcs11:id=%00%01",
+ compose_uri("\x00\x01", 2, NULL, NULL, NULL, NULL, NULL));
+ check_gen("pkcs11:token=SSH%20Keys", /* space must be percent encoded */
+ compose_uri(NULL, 0, "SSH Keys", NULL, NULL, NULL, NULL));
+ /* library-manufacturer is not implmented now */
+ /*check_gen("pkcs11:library-manufacturer=OpenSC",
+ compose_uri(NULL, 0, NULL, "OpenSC", NULL, NULL, NULL));*/
+ check_gen("pkcs11:manufacturer=piv_II",
+ compose_uri(NULL, 0, NULL, NULL, "piv_II", NULL, NULL));
+ check_gen("pkcs11:object=RSA%20Key",
+ compose_uri(NULL, 0, NULL, NULL, NULL, NULL, "RSA Key"));
+ /* query arguments */
+ check_gen("pkcs11:?module-path=/usr/lib64/p11-kit-proxy.so",
+ compose_uri(NULL, 0, NULL, NULL, NULL, "/usr/lib64/p11-kit-proxy.so", NULL));
+
+ /* combinations */
+ check_gen("pkcs11:id=%02;token=SSH%20Keys",
+ compose_uri("\x02", 1, "SSH Keys", NULL, NULL, NULL, NULL));
+ check_gen("pkcs11:id=%EE%02?module-path=/usr/lib64/p11-kit-proxy.so",
+ compose_uri("\xEE\x02", 2, NULL, NULL, NULL, "/usr/lib64/p11-kit-proxy.so", NULL));
+ check_gen("pkcs11:object=Encryption%20Key;manufacturer=piv_II",
+ compose_uri(NULL, 0, NULL, NULL, "piv_II", NULL, "Encryption Key"));
+
+ /* empty path component matches everything */
+ check_gen("pkcs11:", EMPTY_URI);
+
+}
+
+void
+check_encode(char *source, size_t len, char *whitelist, char *expect)
+{
+ char *buf = NULL;
+ struct sshbuf *b;
+
+ asprintf(&buf, "percent_encode: expected %s", expect);
+ TEST_START(buf);
+ free(buf);
+
+ b = percent_encode(source, len, whitelist);
+ ASSERT_STRING_EQ(sshbuf_ptr(b), expect);
+ sshbuf_free(b);
+ TEST_DONE();
+}
+
+static void
+test_percent_encode_multibyte(void)
+{
+ /* SHOULD be encoded as octets according to the UTF-8 character encoding */
+
+ /* multi-byte characters are "for free" */
+ check_encode("$", 1, "", "%24");
+ check_encode("¢", 2, "", "%C2%A2");
+ check_encode("€", 3, "", "%E2%82%AC");
+ check_encode("𐍈", 4, "", "%F0%90%8D%88");
+
+ /* CK_UTF8CHAR is unsigned char (1 byte) */
+ /* labels SHOULD be normalized to NFC [UAX15] */
+
+}
+
+static void
+test_percent_encode(void)
+{
+ /* Without whitelist encodes everything (for CKA_ID) */
+ check_encode("A*", 2, "", "%41%2A");
+ check_encode("\x00", 1, "", "%00");
+ check_encode("\x7F", 1, "", "%7F");
+ check_encode("\x80", 1, "", "%80");
+ check_encode("\xff", 1, "", "%FF");
+
+ /* Default whitelist encodes anything but safe letters */
+ check_encode("test" "\x00" "0alpha", 11, PKCS11_URI_WHITELIST,
+ "test%000alpha");
+ check_encode(" ", 1, PKCS11_URI_WHITELIST,
+ "%20"); /* Space MUST be percent encoded */
+ check_encode("/", 1, PKCS11_URI_WHITELIST,
+ "%2F"); /* '/' delimiter MUST be percent encoded (in the path) */
+ check_encode("?", 1, PKCS11_URI_WHITELIST,
+ "%3F"); /* delimiter '?' MUST be percent encoded (in the path) */
+ check_encode("#", 1, PKCS11_URI_WHITELIST,
+ "%23"); /* '#' MUST be always percent encoded */
+ check_encode("key=value;separator?query&amp;#anch", 35, PKCS11_URI_WHITELIST,
+ "key%3Dvalue%3Bseparator%3Fquery%26amp%3B%23anch");
+
+ /* Components in query can have '/' unencoded (useful for paths) */
+ check_encode("/path/to.file", 13, PKCS11_URI_WHITELIST "/",
+ "/path/to.file");
+}
+
+void
+check_decode(char *source, char *expect, int expect_len)
+{
+ char *buf = NULL, *out = NULL;
+ int rv;
+
+ asprintf(&buf, "percent_decode: %s", source);
+ TEST_START(buf);
+ free(buf);
+
+ rv = percent_decode(source, &out);
+ ASSERT_INT_EQ(rv, expect_len);
+ if (rv >= 0)
+ ASSERT_MEM_EQ(out, expect, expect_len);
+ free(out);
+ TEST_DONE();
+}
+
+static void
+test_percent_decode(void)
+{
+ /* simple valid cases */
+ check_decode("%00", "\x00", 1);
+ check_decode("%FF", "\xFF", 1);
+
+ /* normal strings shold be kept intact */
+ check_decode("strings are left", "strings are left", 16);
+ check_decode("10%25 of trees", "10% of trees", 12);
+
+ /* make sure no more than 2 bytes are parsed */
+ check_decode("%222", "\x22" "2", 2);
+
+ /* invalid expects failure */
+ check_decode("%0", "", -1);
+ check_decode("%Z", "", -1);
+ check_decode("%FG", "", -1);
+}
+
+void
+tests(void)
+{
+ test_percent_encode();
+ test_percent_encode_multibyte();
+ test_percent_decode();
+ test_parse_valid();
+ test_parse_invalid();
+ test_generate_valid();
+}
diff -up openssh/ssh-add.c.pkcs11-uri openssh/ssh-add.c
--- openssh/ssh-add.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-add.c 2018-10-12 13:52:55.454191434 +0200
@@ -64,6 +64,7 @@
#include "misc.h"
#include "ssherr.h"
#include "digest.h"
+#include "ssh-pkcs11-uri.h"
/* argv0 */
extern char *__progname;
@@ -188,6 +189,24 @@ delete_all(int agent_fd, int qflag)
return ret;
}
+#ifdef ENABLE_PKCS11
+static int update_card(int, int, const char *, int);
+
+int
+update_pkcs11_uri(int agent_fd, int adding, const char *pkcs11_uri, int qflag)
+{
+ struct pkcs11_uri *uri;
+
+ /* dry-run parse to make sure the URI is valid and to report errors */
+ uri = pkcs11_uri_init();
+ if (pkcs11_uri_parse((char *) pkcs11_uri, uri) != 0)
+ fatal("Failed to parse PKCS#11 URI");
+ pkcs11_uri_cleanup(uri);
+
+ return update_card(agent_fd, adding, pkcs11_uri, qflag);
+}
+#endif
+
static int
add_file(int agent_fd, const char *filename, int key_only, int qflag)
{
@@ -495,6 +514,13 @@ lock_agent(int agent_fd, int lock)
static int
do_file(int agent_fd, int deleting, int key_only, char *file, int qflag)
{
+#ifdef ENABLE_PKCS11
+ if (strlen(file) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(file, PKCS11_URI_SCHEME,
+ strlen(PKCS11_URI_SCHEME)) == 0) {
+ return update_pkcs11_uri(agent_fd, !deleting, file, qflag);
+ }
+#endif
if (deleting) {
if (delete_file(agent_fd, file, key_only, qflag) == -1)
return -1;
diff -up openssh/ssh-agent.c.pkcs11-uri openssh/ssh-agent.c
--- openssh/ssh-agent.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-agent.c 2018-10-12 13:52:55.454191434 +0200
@@ -546,10 +546,72 @@ no_identities(SocketEntry *e)
}
#ifdef ENABLE_PKCS11
+static char *
+sanitize_pkcs11_provider(const char *provider)
+{
+ struct pkcs11_uri *uri = NULL;
+ char *sane_uri, *module_path = NULL; /* default path */
+ char canonical_provider[PATH_MAX];
+
+ if (provider == NULL)
+ return NULL;
+
+ if (strlen(provider) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(provider, PKCS11_URI_SCHEME,
+ strlen(PKCS11_URI_SCHEME)) == 0) {
+ /* PKCS#11 URI */
+ uri = pkcs11_uri_init();
+ if (uri == NULL) {
+ error("Failed to init PCKS#11 URI");
+ return NULL;
+ }
+
+ if (pkcs11_uri_parse(provider, uri) != 0) {
+ error("Failed to parse PKCS#11 URI");
+ return NULL;
+ }
+ /* validate also provider from URI */
+ if (uri->module_path)
+ module_path = strdup(uri->module_path);
+ } else
+ module_path = strdup(provider); /* simple path */
+
+ if (module_path != NULL) { /* do not validate default NULL path in URI */
+ if (realpath(module_path, canonical_provider) == NULL) {
+ verbose("failed PKCS#11 provider \"%.100s\": realpath: %s",
+ module_path, strerror(errno));
+ free(module_path);
+ pkcs11_uri_cleanup(uri);
+ return NULL;
+ }
+ free(module_path);
+ if (match_pattern_list(canonical_provider, pkcs11_whitelist, 0) != 1) {
+ verbose("refusing PKCS#11 provider \"%.100s\": "
+ "not whitelisted", canonical_provider);
+ pkcs11_uri_cleanup(uri);
+ return NULL;
+ }
+
+ /* copy verified and sanitized provider path back to the uri */
+ if (uri) {
+ free(uri->module_path);
+ uri->module_path = xstrdup(canonical_provider);
+ }
+ }
+
+ if (uri) {
+ sane_uri = pkcs11_uri_get(uri);
+ pkcs11_uri_cleanup(uri);
+ return sane_uri;
+ } else {
+ return xstrdup(canonical_provider); /* simple path */
+ }
+}
+
static void
process_add_smartcard_key(SocketEntry *e)
{
- char *provider = NULL, *pin = NULL, canonical_provider[PATH_MAX];
+ char *provider = NULL, *pin = NULL, *sane_uri = NULL;
int r, i, count = 0, success = 0, confirm = 0;
u_int seconds;
time_t death = 0;
@@ -585,28 +647,23 @@ process_add_smartcard_key(SocketEntry *e
goto send;
}
}
- if (realpath(provider, canonical_provider) == NULL) {
- verbose("failed PKCS#11 add of \"%.100s\": realpath: %s",
- provider, strerror(errno));
- goto send;
- }
- if (match_pattern_list(canonical_provider, pkcs11_whitelist, 0) != 1) {
- verbose("refusing PKCS#11 add of \"%.100s\": "
- "provider not whitelisted", canonical_provider);
+
+ sane_uri = sanitize_pkcs11_provider(provider);
+ if (sane_uri == NULL)
goto send;
- }
- debug("%s: add %.100s", __func__, canonical_provider);
+
if (lifetime && !death)
death = monotime() + lifetime;
- count = pkcs11_add_provider(canonical_provider, pin, &keys);
+ debug("%s: add %.100s", __func__, sane_uri);
+ count = pkcs11_add_provider(sane_uri, pin, &keys);
for (i = 0; i < count; i++) {
k = keys[i];
if (lookup_identity(k) == NULL) {
id = xcalloc(1, sizeof(Identity));
id->key = k;
- id->provider = xstrdup(canonical_provider);
- id->comment = xstrdup(canonical_provider); /* XXX */
+ id->provider = xstrdup(sane_uri);
+ id->comment = xstrdup(sane_uri);
id->death = death;
id->confirm = confirm;
TAILQ_INSERT_TAIL(&idtab->idlist, id, next);
@@ -620,6 +677,7 @@ process_add_smartcard_key(SocketEntry *e
send:
free(pin);
free(provider);
+ free(sane_uri);
free(keys);
send_status(e, success);
}
@@ -627,7 +685,7 @@ send:
static void
process_remove_smartcard_key(SocketEntry *e)
{
- char *provider = NULL, *pin = NULL, canonical_provider[PATH_MAX];
+ char *provider = NULL, *pin = NULL, *sane_uri = NULL;
int r, success = 0;
Identity *id, *nxt;
@@ -638,30 +696,29 @@ process_remove_smartcard_key(SocketEntry
}
free(pin);
- if (realpath(provider, canonical_provider) == NULL) {
- verbose("failed PKCS#11 add of \"%.100s\": realpath: %s",
- provider, strerror(errno));
+ sane_uri = sanitize_pkcs11_provider(provider);
+ if (sane_uri == NULL)
goto send;
- }
- debug("%s: remove %.100s", __func__, canonical_provider);
+ debug("%s: remove %.100s", __func__, sane_uri);
for (id = TAILQ_FIRST(&idtab->idlist); id; id = nxt) {
nxt = TAILQ_NEXT(id, next);
/* Skip file--based keys */
if (id->provider == NULL)
continue;
- if (!strcmp(canonical_provider, id->provider)) {
+ if (!strcmp(sane_uri, id->provider)) {
TAILQ_REMOVE(&idtab->idlist, id, next);
free_identity(id);
idtab->nentries--;
}
}
- if (pkcs11_del_provider(canonical_provider) == 0)
+ if (pkcs11_del_provider(sane_uri) == 0)
success = 1;
else
error("%s: pkcs11_del_provider failed", __func__);
send:
free(provider);
+ free(sane_uri);
send_status(e, success);
}
#endif /* ENABLE_PKCS11 */
diff -up openssh/ssh_config.5.pkcs11-uri openssh/ssh_config.5
--- openssh/ssh_config.5.pkcs11-uri 2018-10-12 13:52:55.437191293 +0200
+++ openssh/ssh_config.5 2018-10-12 13:52:55.459191475 +0200
@@ -991,6 +991,19 @@ may also be used in conjunction with
.Cm CertificateFile
in order to provide any certificate also needed for authentication with
the identity.
+.Pp
+The authentication identity can be also specified in a form of PKCS#11 URI
+starting with a string
+.Cm pkcs11: .
+There is supported a subset of the PKCS#11 URI as defined
+in RFC 7512 (implemented path arguments
+.Cm id ,
+.Cm manufacturer ,
+.Cm object ,
+.Cm token
+and query argument
+.Cm module-path
+). The URI can not be in quotes.
.It Cm IgnoreUnknown
Specifies a pattern-list of unknown options to be ignored if they are
encountered in configuration parsing.
diff -up openssh/ssh.c.pkcs11-uri openssh/ssh.c
--- openssh/ssh.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh.c 2018-10-12 13:52:55.458191467 +0200
@@ -769,6 +769,14 @@ main(int ac, char **av)
options.gss_deleg_creds = 1;
break;
case 'i':
+#ifdef ENABLE_PKCS11
+ if (strlen(optarg) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(optarg, PKCS11_URI_SCHEME,
+ strlen(PKCS11_URI_SCHEME)) == 0) {
+ add_identity_file(&options, NULL, optarg, 1);
+ break;
+ }
+#endif
p = tilde_expand_filename(optarg, getuid());
if (stat(p, &st) < 0)
fprintf(stderr, "Warning: Identity file %s "
@@ -1975,6 +1983,45 @@ ssh_session2(struct ssh *ssh, struct pas
options.escape_char : SSH_ESCAPECHAR_NONE, id);
}
+#ifdef ENABLE_PKCS11
+static void
+load_pkcs11_identity(char *pkcs11_uri, char *identity_files[],
+ struct sshkey *identity_keys[], int *n_ids)
+{
+ int nkeys, i;
+ struct sshkey **keys;
+ struct pkcs11_uri *uri;
+
+ debug("identity file '%s' from pkcs#11", pkcs11_uri);
+ uri = pkcs11_uri_init();
+ if (uri == NULL)
+ fatal("Failed to init PCKS#11 URI");
+
+ if (pkcs11_uri_parse(pkcs11_uri, uri) != 0)
+ fatal("Failed to parse PKCS#11 URI %s", pkcs11_uri);
+
+ /* we need to merge URI and provider together */
+ if (options.pkcs11_provider != NULL && uri->module_path == NULL)
+ uri->module_path = strdup(options.pkcs11_provider);
+
+ if (options.num_identity_files < SSH_MAX_IDENTITY_FILES &&
+ (nkeys = pkcs11_add_provider_by_uri(uri, NULL, &keys)) > 0) {
+ for (i = 0; i < nkeys; i++) {
+ if (*n_ids >= SSH_MAX_IDENTITY_FILES) {
+ sshkey_free(keys[i]);
+ continue;
+ }
+ identity_keys[*n_ids] = keys[i];
+ identity_files[*n_ids] = pkcs11_uri_get(uri);
+ (*n_ids)++;
+ }
+ free(keys);
+ }
+
+ pkcs11_uri_cleanup(uri);
+}
+#endif /* ENABLE_PKCS11 */
+
/* Loads all IdentityFile and CertificateFile keys */
static void
load_public_identity_files(struct passwd *pw)
@@ -1989,10 +2036,6 @@ load_public_identity_files(struct passwd
char *certificate_files[SSH_MAX_CERTIFICATE_FILES];
struct sshkey *certificates[SSH_MAX_CERTIFICATE_FILES];
int certificate_file_userprovided[SSH_MAX_CERTIFICATE_FILES];
-#ifdef ENABLE_PKCS11
- struct sshkey **keys;
- int nkeys;
-#endif /* PKCS11 */
n_ids = n_certs = 0;
memset(identity_files, 0, sizeof(identity_files));
@@ -2005,32 +2048,46 @@ load_public_identity_files(struct passwd
sizeof(certificate_file_userprovided));
#ifdef ENABLE_PKCS11
- if (options.pkcs11_provider != NULL &&
- options.num_identity_files < SSH_MAX_IDENTITY_FILES &&
- (pkcs11_init(!options.batch_mode) == 0) &&
- (nkeys = pkcs11_add_provider(options.pkcs11_provider, NULL,
- &keys)) > 0) {
- for (i = 0; i < nkeys; i++) {
- if (n_ids >= SSH_MAX_IDENTITY_FILES) {
- sshkey_free(keys[i]);
- continue;
- }
- identity_keys[n_ids] = keys[i];
- identity_files[n_ids] =
- xstrdup(options.pkcs11_provider); /* XXX */
- n_ids++;
- }
- free(keys);
+ /* handle fallback from PKCS11Provider option */
+ pkcs11_init(!options.batch_mode);
+
+ if (options.pkcs11_provider != NULL) {
+ struct pkcs11_uri *uri;
+
+ uri = pkcs11_uri_init();
+ if (uri == NULL)
+ fatal("Failed to init PCKS#11 URI");
+
+ /* Construct simple PKCS#11 URI to simplify access */
+ uri->module_path = strdup(options.pkcs11_provider);
+
+ /* Add it as any other IdentityFile */
+ cp = pkcs11_uri_get(uri);
+ add_identity_file(&options, NULL, cp, 1);
+ free(cp);
+
+ pkcs11_uri_cleanup(uri);
}
#endif /* ENABLE_PKCS11 */
for (i = 0; i < options.num_identity_files; i++) {
+ char *name = options.identity_files[i];
if (n_ids >= SSH_MAX_IDENTITY_FILES ||
- strcasecmp(options.identity_files[i], "none") == 0) {
+ strcasecmp(name, "none") == 0) {
free(options.identity_files[i]);
options.identity_files[i] = NULL;
continue;
}
- cp = tilde_expand_filename(options.identity_files[i], getuid());
+#ifdef ENABLE_PKCS11
+ if (strlen(name) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(name, PKCS11_URI_SCHEME,
+ strlen(PKCS11_URI_SCHEME)) == 0) {
+ load_pkcs11_identity(name, identity_files,
+ identity_keys, &n_ids);
+ free(options.identity_files[i]);
+ continue;
+ }
+#endif /* ENABLE_PKCS11 */
+ cp = tilde_expand_filename(name, getuid());
filename = percent_expand(cp, "d", pw->pw_dir,
"u", pw->pw_name, "l", thishost, "h", host,
"r", options.user, (char *)NULL);
diff -up openssh/ssh-keygen.c.pkcs11-uri openssh/ssh-keygen.c
--- openssh/ssh-keygen.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-keygen.c 2018-10-12 13:52:55.455191442 +0200
@@ -825,6 +825,7 @@ do_download(struct passwd *pw)
free(fp);
} else {
(void) sshkey_write(keys[i], stdout); /* XXX check */
+ (void) pkcs11_uri_write(keys[i], stdout);
fprintf(stdout, "\n");
}
sshkey_free(keys[i]);
diff -up openssh/ssh-pkcs11-client.c.pkcs11-uri openssh/ssh-pkcs11-client.c
--- openssh/ssh-pkcs11-client.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-pkcs11-client.c 2018-10-12 13:52:55.455191442 +0200
@@ -126,6 +126,7 @@ pkcs11_rsa_private_encrypt(int flen, con
return (-1);
key.type = KEY_RSA;
key.rsa = rsa;
+ key.ecdsa_nid = 0;
if ((r = sshkey_to_blob(&key, &blob, &blen)) != 0) {
error("%s: sshkey_to_blob: %s", __func__, ssh_err(r));
return -1;
@@ -210,6 +211,8 @@ pkcs11_add_provider(char *name, char *pi
u_int nkeys, i;
struct sshbuf *msg;
+ debug("%s: called, name = %s", __func__, name);
+
if (fd < 0 && pkcs11_start_helper() < 0)
return (-1);
@@ -226,6 +229,7 @@ pkcs11_add_provider(char *name, char *pi
if ((r = sshbuf_get_u32(msg, &nkeys)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
*keysp = xcalloc(nkeys, sizeof(struct sshkey *));
+ debug("%s: nkeys = %u", __func__, nkeys);
for (i = 0; i < nkeys; i++) {
/* XXX clean up properly instead of fatal() */
if ((r = sshbuf_get_string(msg, &blob, &blen)) != 0 ||
diff -up openssh/ssh-pkcs11.c.pkcs11-uri openssh/ssh-pkcs11.c
--- openssh/ssh-pkcs11.c.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-pkcs11.c 2018-10-12 13:54:35.755023297 +0200
@@ -49,8 +49,8 @@ struct pkcs11_slotinfo {
int logged_in;
};
-struct pkcs11_provider {
- char *name;
+struct pkcs11_module {
+ char *module_path;
void *handle;
CK_FUNCTION_LIST *function_list;
CK_INFO info;
@@ -59,6 +59,13 @@ struct pkcs11_provider {
struct pkcs11_slotinfo *slotinfo;
int valid;
int refcount;
+};
+
+struct pkcs11_provider {
+ char *name;
+ struct pkcs11_module *module; /* can be shared between various providers */
+ int refcount;
+ int valid;
TAILQ_ENTRY(pkcs11_provider) next;
};
@@ -71,10 +78,46 @@ struct pkcs11_key {
RSA_METHOD *rsa_method;
char *keyid;
int keyid_len;
+ char *label;
};
int pkcs11_interactive = 0;
+/*
+ * This can't be in the ssh-pkcs11-uri, becase we can not depend on
+ * PKCS#11 structures in ssh-agent (using client-helper communication)
+ */
+int
+pkcs11_uri_write(const struct sshkey *key, FILE *f)
+{
+ char *p = NULL;
+ struct pkcs11_uri uri;
+ struct pkcs11_key *k11;
+
+ /* sanity - is it a RSA key with associated app_data? */
+ if (key->type != KEY_RSA ||
+ (k11 = RSA_get_app_data(key->rsa)) == NULL)
+ return -1;
+
+ /* omit type -- we are looking for private-public or private-certificate pairs */
+ uri.id = k11->keyid;
+ uri.id_len = k11->keyid_len;
+ uri.token = k11->provider->module->slotinfo[k11->slotidx].token.label;
+ uri.object = k11->label;
+ uri.module_path = k11->provider->module->module_path;
+ uri.lib_manuf = k11->provider->module->info.manufacturerID;
+ uri.manuf = k11->provider->module->slotinfo[k11->slotidx].token.manufacturerID;
+
+ p = pkcs11_uri_get(&uri);
+ /* do not cleanup -- we do not allocate here, only reference */
+ if (p == NULL)
+ return -1;
+
+ fprintf(f, " %s", p);
+ free(p);
+ return 0;
+}
+
int
pkcs11_init(int interactive)
{
@@ -90,26 +133,63 @@ pkcs11_init(int interactive)
* this is called when a provider gets unregistered.
*/
static void
-pkcs11_provider_finalize(struct pkcs11_provider *p)
+pkcs11_module_finalize(struct pkcs11_module *m)
{
CK_RV rv;
CK_ULONG i;
- debug("pkcs11_provider_finalize: %p refcount %d valid %d",
- p, p->refcount, p->valid);
- if (!p->valid)
+ debug("%s: %p refcount %d valid %d", __func__,
+ m, m->refcount, m->valid);
+ if (!m->valid)
return;
- for (i = 0; i < p->nslots; i++) {
- if (p->slotinfo[i].session &&
- (rv = p->function_list->C_CloseSession(
- p->slotinfo[i].session)) != CKR_OK)
+ for (i = 0; i < m->nslots; i++) {
+ if (m->slotinfo[i].session &&
+ (rv = m->function_list->C_CloseSession(
+ m->slotinfo[i].session)) != CKR_OK)
error("C_CloseSession failed: %lu", rv);
}
- if ((rv = p->function_list->C_Finalize(NULL)) != CKR_OK)
+ if ((rv = m->function_list->C_Finalize(NULL)) != CKR_OK)
error("C_Finalize failed: %lu", rv);
+ m->valid = 0;
+ m->function_list = NULL;
+ dlclose(m->handle);
+}
+
+/*
+ * remove a reference to the pkcs11 module.
+ * called when a provider is unregistered.
+ */
+static void
+pkcs11_module_unref(struct pkcs11_module *m)
+{
+ debug("%s: %p refcount %d", __func__, m, m->refcount);
+ if (--m->refcount <= 0) {
+ pkcs11_module_finalize(m);
+ if (m->valid)
+ error("%s: %p still valid", __func__, m);
+ free(m->slotlist);
+ free(m->slotinfo);
+ free(m->module_path);
+ free(m);
+ }
+}
+
+/*
+ * finalize a provider shared libarary, it's no longer usable.
+ * however, there might still be keys referencing this provider,
+ * so the actuall freeing of memory is handled by pkcs11_provider_unref().
+ * this is called when a provider gets unregistered.
+ */
+static void
+pkcs11_provider_finalize(struct pkcs11_provider *p)
+{
+ debug("%s: %p refcount %d valid %d", __func__,
+ p, p->refcount, p->valid);
+ if (!p->valid)
+ return;
+ pkcs11_module_unref(p->module);
+ p->module = NULL;
p->valid = 0;
- p->function_list = NULL;
- dlclose(p->handle);
}
/*
@@ -119,12 +199,11 @@ pkcs11_provider_finalize(struct pkcs11_p
static void
pkcs11_provider_unref(struct pkcs11_provider *p)
{
- debug("pkcs11_provider_unref: %p refcount %d", p, p->refcount);
+ debug("%s: %p refcount %d", __func__, p, p->refcount);
if (--p->refcount <= 0) {
- if (p->valid)
- error("pkcs11_provider_unref: %p still valid", p);
- free(p->slotlist);
- free(p->slotinfo);
+ if (p->module)
+ pkcs11_module_unref(p->module);
+ free(p->name);
free(p);
}
}
@@ -142,6 +221,20 @@ pkcs11_terminate(void)
}
}
+/* lookup provider by module path */
+static struct pkcs11_module *
+pkcs11_provider_lookup_module(char *module_path)
+{
+ struct pkcs11_provider *p;
+
+ TAILQ_FOREACH(p, &pkcs11_providers, next) {
+ debug("check %p %s (%s)", p, p->name, p->module->module_path);
+ if (!strcmp(module_path, p->module->module_path))
+ return (p->module);
+ }
+ return (NULL);
+}
+
/* lookup provider by name */
static struct pkcs11_provider *
pkcs11_provider_lookup(char *provider_id)
@@ -156,19 +249,52 @@ pkcs11_provider_lookup(char *provider_id
return (NULL);
}
+int pkcs11_del_provider_by_uri(struct pkcs11_uri *);
+
/* unregister provider by name */
int
pkcs11_del_provider(char *provider_id)
{
+ int rv;
+ struct pkcs11_uri *uri;
+
+ debug("%s: called, provider_id = %s", __func__, provider_id);
+
+ uri = pkcs11_uri_init();
+ if (uri == NULL)
+ fatal("Failed to init PCKS#11 URI");
+
+ if (strlen(provider_id) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(provider_id, PKCS11_URI_SCHEME, strlen(PKCS11_URI_SCHEME)) == 0) {
+ if (pkcs11_uri_parse(provider_id, uri) != 0)
+ fatal("Failed to parse PKCS#11 URI");
+ } else {
+ uri->module_path = strdup(provider_id);
+ }
+
+ rv = pkcs11_del_provider_by_uri(uri);
+ pkcs11_uri_cleanup(uri);
+ return rv;
+}
+
+/* unregister provider by PKCS#11 URI */
+int
+pkcs11_del_provider_by_uri(struct pkcs11_uri *uri)
+{
struct pkcs11_provider *p;
+ int rv = -1;
+ char *provider_uri = pkcs11_uri_get(uri);
- if ((p = pkcs11_provider_lookup(provider_id)) != NULL) {
+ debug3("%s(%s): called", __func__, provider_uri);
+
+ if ((p = pkcs11_provider_lookup(provider_uri)) != NULL) {
TAILQ_REMOVE(&pkcs11_providers, p, next);
pkcs11_provider_finalize(p);
pkcs11_provider_unref(p);
- return (0);
+ rv = 0;
}
- return (-1);
+ free(provider_uri);
+ return rv;
}
/* openssl callback for freeing an RSA key */
@@ -185,6 +311,7 @@ pkcs11_rsa_finish(RSA *rsa)
pkcs11_provider_unref(k11->provider);
RSA_meth_free(k11->rsa_method);
free(k11->keyid);
+ free(k11->label);
free(k11);
}
return (rv);
@@ -201,8 +328,8 @@ pkcs11_find(struct pkcs11_provider *p, C
CK_RV rv;
int ret = -1;
- f = p->function_list;
- session = p->slotinfo[slotidx].session;
+ f = p->module->function_list;
+ session = p->module->slotinfo[slotidx].session;
if ((rv = f->C_FindObjectsInit(session, attr, nattr)) != CKR_OK) {
error("C_FindObjectsInit failed (nattr %lu): %lu", nattr, rv);
return (-1);
@@ -249,12 +376,13 @@ pkcs11_rsa_private_encrypt(int flen, con
error("RSA_get_app_data failed for rsa %p", rsa);
return (-1);
}
- if (!k11->provider || !k11->provider->valid) {
+ if (!k11->provider || !k11->provider->valid || !k11->provider->module
+ || !k11->provider->module->valid) {
error("no pkcs11 (valid) provider for rsa %p", rsa);
return (-1);
}
- f = k11->provider->function_list;
- si = &k11->provider->slotinfo[k11->slotidx];
+ f = k11->provider->module->function_list;
+ si = &k11->provider->module->slotinfo[k11->slotidx];
if ((si->token.flags & CKF_LOGIN_REQUIRED) && !si->logged_in) {
if (!pkcs11_interactive) {
error("need pin entry%s", (si->token.flags &
@@ -313,7 +441,7 @@ pkcs11_rsa_private_decrypt(int flen, con
/* redirect private key operations for rsa key to pkcs11 token */
static int
pkcs11_rsa_wrap(struct pkcs11_provider *provider, CK_ULONG slotidx,
- CK_ATTRIBUTE *keyid_attrib, RSA *rsa)
+ CK_ATTRIBUTE *keyid_attrib, CK_ATTRIBUTE *label_attrib, RSA *rsa)
{
struct pkcs11_key *k11;
const RSA_METHOD *def = RSA_get_default_method();
@@ -328,6 +456,11 @@ pkcs11_rsa_wrap(struct pkcs11_provider *
k11->keyid = xmalloc(k11->keyid_len);
memcpy(k11->keyid, keyid_attrib->pValue, k11->keyid_len);
}
+ if (label_attrib->ulValueLen > 0 ) {
+ k11->label = xmalloc(label_attrib->ulValueLen+1);
+ memcpy(k11->label, label_attrib->pValue, label_attrib->ulValueLen);
+ k11->label[label_attrib->ulValueLen] = 0;
+ }
k11->rsa_method = RSA_meth_dup(def);
if (k11->rsa_method == NULL)
fatal("%s: RSA_meth_dup failed", __func__);
@@ -371,16 +504,16 @@ pkcs11_open_session(struct pkcs11_provid
CK_SESSION_HANDLE session;
int login_required;
- f = p->function_list;
- login_required = p->slotinfo[slotidx].token.flags & CKF_LOGIN_REQUIRED;
+ f = p->module->function_list;
+ login_required = p->module->slotinfo[slotidx].token.flags & CKF_LOGIN_REQUIRED;
if (pin && login_required && !strlen(pin)) {
error("pin required");
return (-1);
}
- if ((rv = f->C_OpenSession(p->slotlist[slotidx], CKF_RW_SESSION|
+ if ((rv = f->C_OpenSession(p->module->slotlist[slotidx], CKF_RW_SESSION|
CKF_SERIAL_SESSION, NULL, NULL, &session))
!= CKR_OK) {
- error("C_OpenSession failed: %lu", rv);
+ error("C_OpenSession failed for slot %lu: %lu", slotidx, rv);
return (-1);
}
if (login_required && pin) {
@@ -392,9 +525,9 @@ pkcs11_open_session(struct pkcs11_provid
error("C_CloseSession failed: %lu", rv);
return (-1);
}
- p->slotinfo[slotidx].logged_in = 1;
+ p->module->slotinfo[slotidx].logged_in = 1;
}
- p->slotinfo[slotidx].session = session;
+ p->module->slotinfo[slotidx].session = session;
return (0);
}
@@ -404,38 +537,62 @@ pkcs11_open_session(struct pkcs11_provid
* keysp points to an (possibly empty) array with *nkeys keys.
*/
static int pkcs11_fetch_keys_filter(struct pkcs11_provider *, CK_ULONG,
- CK_ATTRIBUTE [], CK_ATTRIBUTE [3], struct sshkey ***, int *)
+ CK_ATTRIBUTE [], size_t, CK_ATTRIBUTE [3], struct sshkey ***, int *)
__attribute__((__bounded__(__minbytes__,4, 3 * sizeof(CK_ATTRIBUTE))));
static int
pkcs11_fetch_keys(struct pkcs11_provider *p, CK_ULONG slotidx,
- struct sshkey ***keysp, int *nkeys)
+ struct sshkey ***keysp, int *nkeys, struct pkcs11_uri *uri)
{
+ size_t filter_size = 1;
CK_OBJECT_CLASS pubkey_class = CKO_PUBLIC_KEY;
CK_OBJECT_CLASS cert_class = CKO_CERTIFICATE;
CK_ATTRIBUTE pubkey_filter[] = {
- { CKA_CLASS, NULL, sizeof(pubkey_class) }
+ { CKA_CLASS, NULL, sizeof(pubkey_class) },
+ { CKA_ID, NULL, 0 },
+ { CKA_LABEL, NULL, 0 }
};
CK_ATTRIBUTE cert_filter[] = {
- { CKA_CLASS, NULL, sizeof(cert_class) }
+ { CKA_CLASS, NULL, sizeof(cert_class) },
+ { CKA_ID, NULL, 0 },
+ { CKA_LABEL, NULL, 0 }
};
CK_ATTRIBUTE pubkey_attribs[] = {
{ CKA_ID, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
{ CKA_MODULUS, NULL, 0 },
{ CKA_PUBLIC_EXPONENT, NULL, 0 }
};
CK_ATTRIBUTE cert_attribs[] = {
{ CKA_ID, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
{ CKA_SUBJECT, NULL, 0 },
{ CKA_VALUE, NULL, 0 }
};
pubkey_filter[0].pValue = &pubkey_class;
cert_filter[0].pValue = &cert_class;
- if (pkcs11_fetch_keys_filter(p, slotidx, pubkey_filter, pubkey_attribs,
- keysp, nkeys) < 0 ||
- pkcs11_fetch_keys_filter(p, slotidx, cert_filter, cert_attribs,
- keysp, nkeys) < 0)
+ if (uri->id != NULL) {
+ pubkey_filter[filter_size].pValue = uri->id;
+ pubkey_filter[filter_size].ulValueLen = uri->id_len;
+ cert_filter[filter_size].pValue = uri->id;
+ cert_filter[filter_size].ulValueLen = uri->id_len;
+ filter_size++;
+ }
+ if (uri->object != NULL) {
+ pubkey_filter[filter_size].pValue = uri->object;
+ pubkey_filter[filter_size].ulValueLen = strlen(uri->object);
+ pubkey_filter[filter_size].type = CKA_LABEL;
+ cert_filter[filter_size].pValue = uri->object;
+ cert_filter[filter_size].ulValueLen = strlen(uri->object);
+ cert_filter[filter_size].type = CKA_LABEL;
+ filter_size++;
+ }
+
+ if (pkcs11_fetch_keys_filter(p, slotidx, pubkey_filter, filter_size,
+ pubkey_attribs, keysp, nkeys) < 0 ||
+ pkcs11_fetch_keys_filter(p, slotidx, cert_filter, filter_size,
+ cert_attribs, keysp, nkeys) < 0)
return (-1);
return (0);
}
@@ -462,14 +619,15 @@ have_rsa_key(const RSA *rsa)
static int
pkcs11_fetch_keys_filter(struct pkcs11_provider *p, CK_ULONG slotidx,
- CK_ATTRIBUTE filter[], CK_ATTRIBUTE attribs[3],
+ CK_ATTRIBUTE filter[], size_t filter_size, CK_ATTRIBUTE attribs[4],
struct sshkey ***keysp, int *nkeys)
{
struct sshkey *key;
RSA *rsa;
X509 *x509;
- EVP_PKEY *evp;
+ EVP_PKEY *evp = NULL;
int i;
+ int nattribs = 4;
const u_char *cp;
CK_RV rv;
CK_OBJECT_HANDLE obj;
@@ -477,16 +635,15 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
CK_SESSION_HANDLE session;
CK_FUNCTION_LIST *f;
- f = p->function_list;
- session = p->slotinfo[slotidx].session;
+ f = p->module->function_list;
+ session = p->module->slotinfo[slotidx].session;
/* setup a filter the looks for public keys */
- if ((rv = f->C_FindObjectsInit(session, filter, 1)) != CKR_OK) {
+ if ((rv = f->C_FindObjectsInit(session, filter, filter_size)) != CKR_OK) {
error("C_FindObjectsInit failed: %lu", rv);
return (-1);
}
while (1) {
- /* XXX 3 attributes in attribs[] */
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < nattribs; i++) {
attribs[i].pValue = NULL;
attribs[i].ulValueLen = 0;
}
@@ -494,22 +651,22 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
|| nfound == 0)
break;
/* found a key, so figure out size of the attributes */
- if ((rv = f->C_GetAttributeValue(session, obj, attribs, 3))
+ if ((rv = f->C_GetAttributeValue(session, obj, attribs, nattribs))
!= CKR_OK) {
error("C_GetAttributeValue failed: %lu", rv);
continue;
}
/*
- * Allow CKA_ID (always first attribute) to be empty, but
- * ensure that none of the others are zero length.
+ * Allow CKA_ID (always first attribute) and CKA_LABEL (second)
+ * to be empty, but ensure that none of the others are zero length.
* XXX assumes CKA_ID is always first.
*/
- if (attribs[1].ulValueLen == 0 ||
- attribs[2].ulValueLen == 0) {
+ if (attribs[2].ulValueLen == 0 ||
+ attribs[3].ulValueLen == 0) {
continue;
}
/* allocate buffers for attributes */
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < nattribs; i++) {
if (attribs[i].ulValueLen > 0) {
attribs[i].pValue = xmalloc(
attribs[i].ulValueLen);
@@ -517,23 +674,23 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
}
/*
- * retrieve ID, modulus and public exponent of RSA key,
- * or ID, subject and value for certificates.
+ * retrieve ID, label, modulus and public exponent of RSA key,
+ * or ID, label, subject and value for certificates.
*/
rsa = NULL;
- if ((rv = f->C_GetAttributeValue(session, obj, attribs, 3))
+ if ((rv = f->C_GetAttributeValue(session, obj, attribs, nattribs))
!= CKR_OK) {
error("C_GetAttributeValue failed: %lu", rv);
- } else if (attribs[1].type == CKA_MODULUS ) {
+ } else if (attribs[2].type == CKA_MODULUS ) {
if ((rsa = RSA_new()) == NULL) {
error("RSA_new failed");
} else {
BIGNUM *rsa_n, *rsa_e;
- rsa_n = BN_bin2bn(attribs[1].pValue,
- attribs[1].ulValueLen, NULL);
- rsa_e = BN_bin2bn(attribs[2].pValue,
+ rsa_n = BN_bin2bn(attribs[2].pValue,
attribs[2].ulValueLen, NULL);
+ rsa_e = BN_bin2bn(attribs[3].pValue,
+ attribs[3].ulValueLen, NULL);
if (rsa_n != NULL && rsa_e != NULL) {
if (!RSA_set0_key(rsa,
rsa_n, rsa_e, NULL))
@@ -544,10 +701,10 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
BN_free(rsa_e);
}
} else {
- cp = attribs[2].pValue;
+ cp = attribs[3].pValue;
if ((x509 = X509_new()) == NULL) {
error("X509_new failed");
- } else if (d2i_X509(&x509, &cp, attribs[2].ulValueLen)
+ } else if (d2i_X509(&x509, &cp, attribs[3].ulValueLen)
== NULL) {
error("d2i_X509 failed");
} else if ((evp = X509_get_pubkey(x509)) == NULL ||
@@ -559,9 +716,10 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
error("RSAPublicKey_dup");
}
X509_free(x509);
+ EVP_PKEY_free(evp);
}
if (rsa && have_rsa_key(rsa) &&
- pkcs11_rsa_wrap(p, slotidx, &attribs[0], rsa) == 0) {
+ pkcs11_rsa_wrap(p, slotidx, &attribs[0], &attribs[1], rsa) == 0) {
if ((key = sshkey_new(KEY_UNSPEC)) == NULL)
fatal("sshkey_new failed");
key->rsa = rsa;
@@ -580,7 +738,7 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
} else if (rsa) {
RSA_free(rsa);
}
- for (i = 0; i < 3; i++)
+ for (i = 0; i < nattribs; i++)
free(attribs[i].pValue);
}
if ((rv = f->C_FindObjectsFinal(session)) != CKR_OK)
@@ -592,126 +750,239 @@ pkcs11_fetch_keys_filter(struct pkcs11_p
int
pkcs11_add_provider(char *provider_id, char *pin, struct sshkey ***keyp)
{
- int nkeys, need_finalize = 0;
- struct pkcs11_provider *p = NULL;
+ int rv;
+ struct pkcs11_uri *uri;
+
+ debug("%s: called, provider_id = %s", __func__, provider_id);
+
+ uri = pkcs11_uri_init();
+ if (uri == NULL)
+ fatal("Failed to init PCKS#11 URI");
+
+ if (strlen(provider_id) >= strlen(PKCS11_URI_SCHEME) &&
+ strncmp(provider_id, PKCS11_URI_SCHEME, strlen(PKCS11_URI_SCHEME)) == 0) {
+ if (pkcs11_uri_parse(provider_id, uri) != 0)
+ fatal("Failed to parse PKCS#11 URI");
+ } else {
+ uri->module_path = strdup(provider_id);
+ }
+
+ rv = pkcs11_add_provider_by_uri(uri, pin, keyp);
+ pkcs11_uri_cleanup(uri);
+ return rv;
+}
+
+struct pkcs11_provider *
+pkcs11_provider_initialize(struct pkcs11_uri *uri)
+{
+ int need_finalize = 0;
void *handle = NULL;
CK_RV (*getfunctionlist)(CK_FUNCTION_LIST **);
CK_RV rv;
CK_FUNCTION_LIST *f = NULL;
CK_TOKEN_INFO *token;
CK_ULONG i;
+ char *provider_module = NULL;
+ struct pkcs11_provider *p;
+ struct pkcs11_module *m;
- *keyp = NULL;
- if (pkcs11_provider_lookup(provider_id) != NULL) {
- debug("%s: provider already registered: %s",
- __func__, provider_id);
+ /* if no provider specified, fallback to p11-kit */
+ if (uri->module_path == NULL) {
+#ifdef PKCS11_DEFAULT_PROVIDER
+ provider_module = strdup(PKCS11_DEFAULT_PROVIDER);
+#else
+ error("%s: No module path provided", __func__);
goto fail;
+#endif
+ } else
+ provider_module = strdup(uri->module_path);
+
+ p = xcalloc(1, sizeof(*p));
+ p->name = pkcs11_uri_get(uri);
+
+ if ((m = pkcs11_provider_lookup_module(provider_module)) != NULL
+ && m->valid) {
+ debug("%s: provider module already initialized: %s",
+ __func__, provider_module);
+ free(provider_module);
+ /* Skip the initialization of PKCS#11 module */
+ m->refcount++;
+ p->module = m;
+ p->valid = 1;
+ TAILQ_INSERT_TAIL(&pkcs11_providers, p, next);
+ p->refcount++; /* add to provider list */
+ return p;
+ } else {
+ m = xcalloc(1, sizeof(*m));
+ p->module = m;
+ m->refcount++;
}
+
/* open shared pkcs11-libarary */
- if ((handle = dlopen(provider_id, RTLD_NOW)) == NULL) {
- error("dlopen %s failed: %s", provider_id, dlerror());
+ if ((handle = dlopen(provider_module, RTLD_NOW)) == NULL) {
+ error("dlopen %s failed: %s", provider_module, dlerror());
goto fail;
}
if ((getfunctionlist = dlsym(handle, "C_GetFunctionList")) == NULL) {
error("dlsym(C_GetFunctionList) failed: %s", dlerror());
goto fail;
}
- p = xcalloc(1, sizeof(*p));
- p->name = xstrdup(provider_id);
- p->handle = handle;
+ m->handle = handle;
/* setup the pkcs11 callbacks */
if ((rv = (*getfunctionlist)(&f)) != CKR_OK) {
error("C_GetFunctionList for provider %s failed: %lu",
- provider_id, rv);
+ provider_module, rv);
goto fail;
}
- p->function_list = f;
+ m->function_list = f;
if ((rv = f->C_Initialize(NULL)) != CKR_OK) {
error("C_Initialize for provider %s failed: %lu",
- provider_id, rv);
+ provider_module, rv);
goto fail;
}
need_finalize = 1;
- if ((rv = f->C_GetInfo(&p->info)) != CKR_OK) {
+ if ((rv = f->C_GetInfo(&m->info)) != CKR_OK) {
error("C_GetInfo for provider %s failed: %lu",
- provider_id, rv);
+ provider_module, rv);
+ goto fail;
+ }
+ rmspace(m->info.manufacturerID, sizeof(m->info.manufacturerID));
+ if (uri->lib_manuf != NULL &&
+ strcmp(uri->lib_manuf, m->info.manufacturerID)) {
+ debug("%s: Skipping provider %s not matching library_manufacturer",
+ __func__, m->info.manufacturerID);
goto fail;
}
- rmspace(p->info.manufacturerID, sizeof(p->info.manufacturerID));
- rmspace(p->info.libraryDescription, sizeof(p->info.libraryDescription));
+ rmspace(m->info.libraryDescription, sizeof(m->info.libraryDescription));
debug("provider %s: manufacturerID <%s> cryptokiVersion %d.%d"
" libraryDescription <%s> libraryVersion %d.%d",
- provider_id,
- p->info.manufacturerID,
- p->info.cryptokiVersion.major,
- p->info.cryptokiVersion.minor,
- p->info.libraryDescription,
- p->info.libraryVersion.major,
- p->info.libraryVersion.minor);
- if ((rv = f->C_GetSlotList(CK_TRUE, NULL, &p->nslots)) != CKR_OK) {
+ provider_module,
+ m->info.manufacturerID,
+ m->info.cryptokiVersion.major,
+ m->info.cryptokiVersion.minor,
+ m->info.libraryDescription,
+ m->info.libraryVersion.major,
+ m->info.libraryVersion.minor);
+
+ if ((rv = f->C_GetSlotList(CK_TRUE, NULL, &m->nslots)) != CKR_OK) {
error("C_GetSlotList failed: %lu", rv);
goto fail;
}
- if (p->nslots == 0) {
+ if (m->nslots == 0) {
debug("%s: provider %s returned no slots", __func__,
- provider_id);
+ provider_module);
goto fail;
}
- p->slotlist = xcalloc(p->nslots, sizeof(CK_SLOT_ID));
- if ((rv = f->C_GetSlotList(CK_TRUE, p->slotlist, &p->nslots))
+ m->slotlist = xcalloc(m->nslots, sizeof(CK_SLOT_ID));
+ if ((rv = f->C_GetSlotList(CK_TRUE, m->slotlist, &m->nslots))
!= CKR_OK) {
error("C_GetSlotList for provider %s failed: %lu",
- provider_id, rv);
+ provider_module, rv);
goto fail;
}
- p->slotinfo = xcalloc(p->nslots, sizeof(struct pkcs11_slotinfo));
+ m->slotinfo = xcalloc(m->nslots, sizeof(struct pkcs11_slotinfo));
+ m->valid = 1;
p->valid = 1;
- nkeys = 0;
- for (i = 0; i < p->nslots; i++) {
- token = &p->slotinfo[i].token;
- if ((rv = f->C_GetTokenInfo(p->slotlist[i], token))
+
+ for (i = 0; i < m->nslots; i++) {
+ token = &m->slotinfo[i].token;
+ if ((rv = f->C_GetTokenInfo(m->slotlist[i], token))
!= CKR_OK) {
error("C_GetTokenInfo for provider %s slot %lu "
- "failed: %lu", provider_id, (unsigned long)i, rv);
+ "failed: %lu", provider_module, (unsigned long)i, rv);
continue;
}
if ((token->flags & CKF_TOKEN_INITIALIZED) == 0) {
- debug2("%s: ignoring uninitialised token in "
- "provider %s slot %lu", __func__,
- provider_id, (unsigned long)i);
continue;
}
rmspace(token->label, sizeof(token->label));
rmspace(token->manufacturerID, sizeof(token->manufacturerID));
rmspace(token->model, sizeof(token->model));
rmspace(token->serialNumber, sizeof(token->serialNumber));
+ }
+ m->module_path = provider_module;
+ provider_module = NULL;
+
+ /* insert unconditionally -- remove if there will be no keys later */
+ TAILQ_INSERT_TAIL(&pkcs11_providers, p, next);
+ p->refcount++; /* add to provider list */
+ return p;
+
+fail:
+ if (need_finalize && (rv = f->C_Finalize(NULL)) != CKR_OK)
+ error("C_Finalize for provider %s failed: %lu",
+ provider_module, rv);
+ free(provider_module);
+ free(p);
+ if (handle)
+ dlclose(handle);
+ return NULL;
+}
+
+int
+pkcs11_add_provider_by_uri(struct pkcs11_uri *uri, char *pin, struct sshkey ***keyp)
+{
+ int nkeys;
+ struct pkcs11_provider *p = NULL;
+ CK_TOKEN_INFO *token;
+ CK_ULONG i;
+ char *provider_uri = pkcs11_uri_get(uri);
+
+ debug("%s: called, provider_uri = %s", __func__, provider_uri);
+
+ *keyp = NULL;
+ if ((p = pkcs11_provider_initialize(uri)) == NULL) {
+ debug("%s: failed to initialize provider: %s",
+ __func__, provider_uri);
+ goto fail;
+ }
+
+ nkeys = 0;
+ for (i = 0; i < p->module->nslots; i++) {
+ token = &p->module->slotinfo[i].token;
+ if ((token->flags & CKF_TOKEN_INITIALIZED) == 0) {
+ debug2("%s: ignoring uninitialised token in "
+ "provider %s slot %lu", __func__,
+ provider_uri, (unsigned long)i);
+ continue;
+ }
+ if (uri->token != NULL &&
+ strcmp(token->label, uri->token) != 0) {
+ debug2("%s: ignoring token not matching label (%s) "
+ "specified by PKCS#11 URI in slot %lu", __func__,
+ token->label, (unsigned long)i);
+ continue;
+ }
+ if (uri->manuf != NULL &&
+ strcmp(token->manufacturerID, uri->manuf) != 0) {
+ debug2("%s: ignoring token not matching requrested "
+ "manufacturerID (%s) specified by PKCS#11 URI in "
+ "slot %lu", __func__,
+ token->manufacturerID, (unsigned long)i);
+ continue;
+ }
debug("provider %s slot %lu: label <%s> manufacturerID <%s> "
"model <%s> serial <%s> flags 0x%lx",
- provider_id, (unsigned long)i,
+ provider_uri, (unsigned long)i,
token->label, token->manufacturerID, token->model,
token->serialNumber, token->flags);
- /* open session, login with pin and retrieve public keys */
- if (pkcs11_open_session(p, i, pin) == 0)
- pkcs11_fetch_keys(p, i, keyp, &nkeys);
+ /* open session if not yet opened, login with pin
+ * and retrieve public keys */
+ if ((p->module->slotinfo[i].session != 0) ||
+ pkcs11_open_session(p, i, pin) == 0)
+ pkcs11_fetch_keys(p, i, keyp, &nkeys, uri);
}
if (nkeys > 0) {
- TAILQ_INSERT_TAIL(&pkcs11_providers, p, next);
- p->refcount++; /* add to provider list */
+ free(provider_uri);
return (nkeys);
}
- debug("%s: provider %s returned no keys", __func__, provider_id);
+ debug("%s: provider %s returned no keys", __func__, provider_uri);
/* don't add the provider, since it does not have any keys */
fail:
- if (need_finalize && (rv = f->C_Finalize(NULL)) != CKR_OK)
- error("C_Finalize for provider %s failed: %lu",
- provider_id, rv);
if (p) {
- free(p->slotlist);
- free(p->slotinfo);
- free(p);
+ pkcs11_provider_unref(p);
}
- if (handle)
- dlclose(handle);
+ free(provider_uri);
return (-1);
}
diff -up openssh/ssh-pkcs11.h.pkcs11-uri openssh/ssh-pkcs11.h
--- openssh/ssh-pkcs11.h.pkcs11-uri 2018-10-11 02:56:36.000000000 +0200
+++ openssh/ssh-pkcs11.h 2018-10-12 13:52:55.457191459 +0200
@@ -14,10 +14,15 @@
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+
+#include "ssh-pkcs11-uri.h"
+
int pkcs11_init(int);
void pkcs11_terminate(void);
int pkcs11_add_provider(char *, char *, struct sshkey ***);
+int pkcs11_add_provider_by_uri(struct pkcs11_uri *, char *, struct sshkey ***);
int pkcs11_del_provider(char *);
+int pkcs11_uri_write(const struct sshkey *, FILE *);
#if !defined(WITH_OPENSSL) && defined(ENABLE_PKCS11)
#undef ENABLE_PKCS11
diff -up openssh/ssh-pkcs11-uri.c.pkcs11-uri openssh/ssh-pkcs11-uri.c
--- openssh/ssh-pkcs11-uri.c.pkcs11-uri 2018-10-12 13:52:55.456191450 +0200
+++ openssh/ssh-pkcs11-uri.c 2018-10-12 13:52:55.455191442 +0200
@@ -0,0 +1,395 @@
+/*
+ * Copyright (c) 2017 Red Hat
+ *
+ * Authors: Jakub Jelen <jjelen@redhat.com>
+ *
+ * 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"
+
+#ifdef ENABLE_PKCS11
+
+#include <stdio.h>
+#include <string.h>
+
+#include "sshkey.h"
+#include "sshbuf.h"
+#include "log.h"
+
+#define CRYPTOKI_COMPAT
+#include "pkcs11.h"
+
+#include "ssh-pkcs11-uri.h"
+
+#define PKCS11_URI_PATH_SEPARATOR ";"
+#define PKCS11_URI_QUERY_SEPARATOR "&"
+#define PKCS11_URI_VALUE_SEPARATOR "="
+#define PKCS11_URI_ID "id"
+#define PKCS11_URI_TOKEN "token"
+#define PKCS11_URI_OBJECT "object"
+#define PKCS11_URI_LIB_MANUF "library-manufacturer"
+#define PKCS11_URI_MANUF "manufacturer"
+#define PKCS11_URI_MODULE_PATH "module-path"
+
+/* Keyword tokens. */
+typedef enum {
+ pId, pToken, pObject, pLibraryManufacturer, pManufacturer, pModulePath,
+ pBadOption
+} pkcs11uriOpCodes;
+
+/* Textual representation of the tokens. */
+static struct {
+ const char *name;
+ pkcs11uriOpCodes opcode;
+} keywords[] = {
+ { PKCS11_URI_ID, pId },
+ { PKCS11_URI_TOKEN, pToken },
+ { PKCS11_URI_OBJECT, pObject },
+ { PKCS11_URI_LIB_MANUF, pLibraryManufacturer },
+ { PKCS11_URI_MANUF, pManufacturer },
+ { PKCS11_URI_MODULE_PATH, pModulePath },
+ { NULL, pBadOption }
+};
+
+static pkcs11uriOpCodes
+parse_token(const char *cp)
+{
+ u_int i;
+
+ for (i = 0; keywords[i].name; i++)
+ if (strncasecmp(cp, keywords[i].name,
+ strlen(keywords[i].name)) == 0)
+ return keywords[i].opcode;
+
+ return pBadOption;
+}
+
+int
+percent_decode(char *data, char **outp)
+{
+ char tmp[3];
+ char *out, *tmp_end;
+ char *p = data;
+ long value;
+ size_t outlen = 0;
+
+ out = malloc(strlen(data)+1); /* upper bound */
+ if (out == NULL)
+ return -1;
+ while (*p != '\0') {
+ switch (*p) {
+ case '%':
+ p++;
+ if (*p == '\0')
+ goto fail;
+ tmp[0] = *p++;
+ if (*p == '\0')
+ goto fail;
+ tmp[1] = *p++;
+ tmp[2] = '\0';
+ tmp_end = NULL;
+ value = strtol(tmp, &tmp_end, 16);
+ if (tmp_end != tmp+2)
+ goto fail;
+ else
+ out[outlen++] = (char) value;
+ break;
+ default:
+ out[outlen++] = *p++;
+ break;
+ }
+ }
+
+ /* zero terminate */
+ out[outlen] = '\0';
+ *outp = out;
+ return outlen;
+fail:
+ free(out);
+ return -1;
+}
+
+struct sshbuf *
+percent_encode(const char *data, size_t length, const char *whitelist)
+{
+ struct sshbuf *b = NULL;
+ char tmp[4], *cp;
+ size_t i;
+
+ if ((b = sshbuf_new()) == NULL)
+ return NULL;
+ for (i = 0; i < length; i++) {
+ cp = strchr(whitelist, data[i]);
+ /* if c is specified as '\0' pointer to terminator is returned !! */
+ if (cp != NULL && *cp != '\0') {
+ if (sshbuf_put(b, &data[i], 1) != 0)
+ goto err;
+ } else
+ if (snprintf(tmp, 4, "%%%02X", (unsigned char) data[i]) < 3
+ || sshbuf_put(b, tmp, 3) != 0)
+ goto err;
+ }
+ if (sshbuf_put(b, "\0", 1) == 0)
+ return b;
+err:
+ sshbuf_free(b);
+ return NULL;
+}
+
+char *
+pkcs11_uri_append(char *part, const char *separator, const char *key,
+ struct sshbuf *value)
+{
+ char *new_part;
+ size_t size = 0;
+
+ if (value == NULL)
+ return NULL;
+
+ size = asprintf(&new_part,
+ "%s%s%s" PKCS11_URI_VALUE_SEPARATOR "%s",
+ (part != NULL ? part : ""),
+ (part != NULL ? separator : ""),
+ key, sshbuf_ptr(value));
+ sshbuf_free(value);
+ free(part);
+
+ if (size <= 0)
+ return NULL;
+ return new_part;
+}
+
+char *
+pkcs11_uri_get(struct pkcs11_uri *uri)
+{
+ size_t size = 0;
+ char *p = NULL, *path = NULL, *query = NULL;
+
+ /* compose a percent-encoded ID */
+ if (uri->id_len > 0) {
+ struct sshbuf *key_id = percent_encode(uri->id, uri->id_len, "");
+ path = pkcs11_uri_append(path, PKCS11_URI_PATH_SEPARATOR,
+ PKCS11_URI_ID, key_id);
+ if (path == NULL)
+ goto err;
+ }
+
+ /* Write object label */
+ if (uri->object) {
+ struct sshbuf *label = percent_encode(uri->object, strlen(uri->object),
+ PKCS11_URI_WHITELIST);
+ path = pkcs11_uri_append(path, PKCS11_URI_PATH_SEPARATOR,
+ PKCS11_URI_OBJECT, label);
+ if (path == NULL)
+ goto err;
+ }
+
+ /* Write token label */
+ if (uri->token) {
+ struct sshbuf *label = percent_encode(uri->token, strlen(uri->token),
+ PKCS11_URI_WHITELIST);
+ path = pkcs11_uri_append(path, PKCS11_URI_PATH_SEPARATOR,
+ PKCS11_URI_TOKEN, label);
+ if (path == NULL)
+ goto err;
+ }
+
+ /* Write manufacturer */
+ if (uri->manuf) {
+ struct sshbuf *manuf = percent_encode(uri->manuf,
+ strlen(uri->manuf), PKCS11_URI_WHITELIST);
+ path = pkcs11_uri_append(path, PKCS11_URI_PATH_SEPARATOR,
+ PKCS11_URI_MANUF, manuf);
+ if (path == NULL)
+ goto err;
+ }
+
+ /* Write module_path */
+ if (uri->module_path) {
+ struct sshbuf *module = percent_encode(uri->module_path,
+ strlen(uri->module_path), PKCS11_URI_WHITELIST "/");
+ query = pkcs11_uri_append(query, PKCS11_URI_QUERY_SEPARATOR,
+ PKCS11_URI_MODULE_PATH, module);
+ if (query == NULL)
+ goto err;
+ }
+
+ size = asprintf(&p, PKCS11_URI_SCHEME "%s%s%s",
+ path != NULL ? path : "",
+ query != NULL ? "?" : "",
+ query != NULL ? query : "");
+err:
+ free(query);
+ free(path);
+ if (size <= 0)
+ return NULL;
+ return p;
+}
+
+struct pkcs11_uri *
+pkcs11_uri_init()
+{
+ struct pkcs11_uri *d = calloc(1, sizeof(struct pkcs11_uri));
+ return d;
+}
+
+void
+pkcs11_uri_cleanup(struct pkcs11_uri *pkcs11)
+{
+ free(pkcs11->id);
+ free(pkcs11->module_path);
+ free(pkcs11->token);
+ free(pkcs11->object);
+ free(pkcs11->lib_manuf);
+ free(pkcs11->manuf);
+ free(pkcs11);
+}
+
+int
+pkcs11_uri_parse(const char *uri, struct pkcs11_uri *pkcs11)
+{
+ char *saveptr1, *saveptr2, *str1, *str2, *tok;
+ int rv = 0, len;
+ char *p = NULL;
+
+ size_t scheme_len = strlen(PKCS11_URI_SCHEME);
+ if (strlen(uri) < scheme_len || /* empty URI matches everything */
+ strncmp(uri, PKCS11_URI_SCHEME, scheme_len) != 0) {
+ error("%s: The '%s' does not look like PKCS#11 URI",
+ __func__, uri);
+ return -1;
+ }
+
+ if (pkcs11 == NULL) {
+ error("%s: Bad arguments. The pkcs11 can't be null", __func__);
+ return -1;
+ }
+
+ /* skip URI schema name */
+ p = strdup(uri);
+ str1 = p;
+
+ /* everything before ? */
+ tok = strtok_r(str1, "?", &saveptr1);
+ if (tok == NULL) {
+ free(p);
+ error("%s: pk11-path expected, got EOF", __func__);
+ return -1;
+ }
+
+ /* skip URI schema name:
+ * the scheme ensures that there is at least something before "?"
+ * allowing empty pk11-path. Resulting token at worst pointing to
+ * \0 byte */
+ tok = tok + scheme_len;
+
+ /* parse pk11-path */
+ for (str2 = tok; ; str2 = NULL) {
+ char **charptr;
+ pkcs11uriOpCodes opcode;
+ tok = strtok_r(str2, PKCS11_URI_PATH_SEPARATOR, &saveptr2);
+ if (tok == NULL)
+ break;
+ opcode = parse_token(tok);
+
+ char *arg = tok + strlen(keywords[opcode].name) + 1; /* separator "=" */
+ switch (opcode) {
+ case pId:
+ /* CKA_ID */
+ if (pkcs11->id != NULL) {
+ verbose("%s: The id already set in the PKCS#11 URI",
+ __func__);
+ rv = -1;
+ }
+ len = percent_decode(arg, &pkcs11->id);
+ if (len <= 0) {
+ verbose("%s: Failed to percent-decode CKA_ID: %s",
+ __func__, arg);
+ rv = -1;
+ } else
+ pkcs11->id_len = len;
+ debug3("%s: Setting CKA_ID = %s from PKCS#11 URI",
+ __func__, arg);
+ break;
+ case pToken:
+ /* CK_TOKEN_INFO -> label */
+ charptr = &pkcs11->token;
+ parse_string:
+ if (*charptr != NULL) {
+ verbose("%s: The %s already set in the PKCS#11 URI",
+ keywords[opcode].name, __func__);
+ rv = -1;
+ }
+ percent_decode(arg, charptr);
+ debug3("%s: Setting %s = %s from PKCS#11 URI",
+ __func__, keywords[opcode].name, *charptr);
+ break;
+
+ case pObject:
+ /* CK_TOKEN_INFO -> manufacturerID */
+ charptr = &pkcs11->object;
+ goto parse_string;
+
+ case pManufacturer:
+ /* CK_TOKEN_INFO -> manufacturerID */
+ charptr = &pkcs11->manuf;
+ goto parse_string;
+
+ case pLibraryManufacturer:
+ /* CK_INFO -> manufacturerID */
+ charptr = &pkcs11->lib_manuf;
+ goto parse_string;
+
+ case pBadOption:
+ default:
+ /* Unrecognized attribute in the URI path SHOULD be error */
+ verbose("%s: Unknown part of path in PKCS#11 URI: %s",
+ __func__, tok);
+ }
+ }
+
+ tok = strtok_r(NULL, "?", &saveptr1);
+ if (tok == NULL) {
+ free(p);
+ return rv;
+ }
+ /* parse pk11-query (optional) */
+ for (str2 = tok; ; str2 = NULL) {
+ size_t key_len = strlen(PKCS11_URI_MODULE_PATH) + 1;
+ tok = strtok_r(str2, PKCS11_URI_QUERY_SEPARATOR, &saveptr2);
+ if (tok == NULL)
+ break;
+ if (strncasecmp(tok, PKCS11_URI_MODULE_PATH
+ PKCS11_URI_VALUE_SEPARATOR, key_len) == 0) {
+ /* module-path is PKCS11Provider */
+ if (pkcs11->module_path != NULL) {
+ verbose("%s: Multiple module-path attributes are"
+ "not supported the PKCS#11 URI", __func__);
+ rv = -1;
+ }
+ percent_decode(tok + key_len, &pkcs11->module_path);
+ debug3("%s: Setting PKCS11Provider = %s from PKCS#11 URI",
+ __func__, pkcs11->module_path);
+ /* } else if ( pin-value ) { */
+ } else {
+ /* Unrecognized attribute in the URI query SHOULD be ignored */
+ verbose("%s: Unknown part of query in PKCS#11 URI: %s",
+ __func__, tok);
+ }
+ }
+ free(p);
+ return rv;
+}
+
+#endif /* ENABLE_PKCS11 */
diff -up openssh/ssh-pkcs11-uri.h.pkcs11-uri openssh/ssh-pkcs11-uri.h
--- openssh/ssh-pkcs11-uri.h.pkcs11-uri 2018-10-12 13:52:55.456191450 +0200
+++ openssh/ssh-pkcs11-uri.h 2018-10-12 13:52:55.456191450 +0200
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2017 Red Hat
+ *
+ * Authors: Jakub Jelen <jjelen@redhat.com>
+ *
+ * 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.
+ */
+
+#define PKCS11_URI_SCHEME "pkcs11:"
+#define PKCS11_URI_WHITELIST "abcdefghijklmnopqrstuvwxyz" \
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
+ "0123456789_-.()"
+
+struct pkcs11_uri {
+ /* path */
+ char *id;
+ size_t id_len;
+ char *token;
+ char *object;
+ char *lib_manuf;
+ char *manuf;
+ /* query */
+ char *module_path;
+};
+
+struct pkcs11_uri *pkcs11_uri_init();
+void pkcs11_uri_cleanup(struct pkcs11_uri *);
+int pkcs11_uri_parse(const char *, struct pkcs11_uri *);
+struct pkcs11_uri *pkcs11_uri_init();
+char * pkcs11_uri_get(struct pkcs11_uri *uri);
+
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