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- markus@cvs.openbsd.org 2002/03/25 17:34:27
[scard.c scard.h ssh-agent.c ssh-keygen.c ssh.c]
change sc_get_key to sc_get_keys and hide smartcard details in scard.c
This commit is contained in:
Ben Lindstrom
parent
5facb2bbc4
commit
0936a5bb72
@ -28,6 +28,9 @@
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- markus@cvs.openbsd.org 2002/03/25 09:25:06
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[auth-rh-rsa.c]
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rm bogus comment
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- markus@cvs.openbsd.org 2002/03/25 17:34:27
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[scard.c scard.h ssh-agent.c ssh-keygen.c ssh.c]
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change sc_get_key to sc_get_keys and hide smartcard details in scard.c
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20020324
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- (stevesk) [session.c] disable LOGIN_NEEDS_TERM until we are sure
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@ -8042,4 +8045,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.1986 2002/03/26 03:08:47 mouring Exp $
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$Id: ChangeLog,v 1.1987 2002/03/26 03:17:42 mouring Exp $
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76
scard.c
76
scard.c
@ -24,9 +24,8 @@
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#include "includes.h"
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#ifdef SMARTCARD
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RCSID("$OpenBSD: scard.c,v 1.23 2002/03/24 18:05:29 markus Exp $");
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RCSID("$OpenBSD: scard.c,v 1.24 2002/03/25 17:34:27 markus Exp $");
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#include <openssl/engine.h>
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#include <openssl/evp.h>
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#include <sectok.h>
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@ -36,13 +35,17 @@ RCSID("$OpenBSD: scard.c,v 1.23 2002/03/24 18:05:29 markus Exp $");
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#include "readpass.h"
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#include "scard.h"
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#ifdef OPENSSL_VERSION_NUMBER
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#if OPENSSL_VERSION_NUMBER >= 0x00907000L
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#define RSA_get_default_openssl_method RSA_get_default_method
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#define DSA_get_default_openssl_method DSA_get_default_method
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#define DH_get_default_openssl_method DH_get_default_method
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#define ENGINE_set_BN_mod_exp(x,y)
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#if OPENSSL_VERSION_NUMBER < 0x00907000L
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#define USE_ENGINE
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#define RSA_get_default_method RSA_get_default_openssl_method
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#else
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#endif
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#ifdef USE_ENGINE
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#include <openssl/engine.h>
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#define sc_get_rsa sc_get_engine
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#else
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#define sc_get_rsa sc_get_rsa_method
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#endif
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#define CLA_SSH 0x05
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@ -143,8 +146,7 @@ sc_read_pubkey(Key * k)
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n = NULL;
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if (sc_fd < 0) {
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status = sc_init();
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if (status < 0 )
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if (sc_init() < 0)
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goto err;
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}
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@ -317,18 +319,13 @@ sc_finish(RSA *rsa)
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return 1;
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}
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/* engine for overloading private key operations */
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static ENGINE *smart_engine = NULL;
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static RSA_METHOD smart_rsa;
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ENGINE *
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sc_get_engine(void)
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static RSA_METHOD *
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sc_get_rsa_method(void)
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{
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const RSA_METHOD *def;
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def = RSA_get_default_openssl_method();
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static RSA_METHOD smart_rsa;
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const RSA_METHOD *def = RSA_get_default_method();
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/* use the OpenSSL version */
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memcpy(&smart_rsa, def, sizeof(smart_rsa));
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@ -343,13 +340,22 @@ sc_get_engine(void)
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orig_finish = def->finish;
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smart_rsa.finish = sc_finish;
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return &smart_rsa;
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}
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#ifdef USE_ENGINE
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static ENGINE *
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sc_get_engine(void)
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{
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static ENGINE *smart_engine = NULL;
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if ((smart_engine = ENGINE_new()) == NULL)
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fatal("ENGINE_new failed");
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ENGINE_set_id(smart_engine, "sectok");
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ENGINE_set_name(smart_engine, "libsectok");
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ENGINE_set_RSA(smart_engine, &smart_rsa);
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ENGINE_set_RSA(smart_engine, sc_get_rsa_method());
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ENGINE_set_DSA(smart_engine, DSA_get_default_openssl_method());
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ENGINE_set_DH(smart_engine, DH_get_default_openssl_method());
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ENGINE_set_RAND(smart_engine, RAND_SSLeay());
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@ -357,6 +363,7 @@ sc_get_engine(void)
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return smart_engine;
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}
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#endif
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void
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sc_close(void)
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@ -367,11 +374,11 @@ sc_close(void)
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}
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}
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Key *
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sc_get_key(const char *id, const char *pin)
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Key **
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sc_get_keys(const char *id, const char *pin)
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{
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Key *k;
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int status;
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Key *k, *n, **keys;
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int status, nkeys = 2;
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if (sc_reader_id != NULL)
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xfree(sc_reader_id);
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@ -395,7 +402,26 @@ sc_get_key(const char *id, const char *pin)
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key_free(k);
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return NULL;
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}
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return k;
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keys = xmalloc((nkeys+1) * sizeof(Key *));
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n = key_new(KEY_RSA1);
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BN_copy(n->rsa->n, k->rsa->n);
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BN_copy(n->rsa->e, k->rsa->e);
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RSA_set_method(n->rsa, sc_get_rsa());
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n->flags |= KEY_FLAG_EXT;
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keys[0] = n;
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n = key_new(KEY_RSA);
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BN_copy(n->rsa->n, k->rsa->n);
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BN_copy(n->rsa->e, k->rsa->e);
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RSA_set_method(n->rsa, sc_get_rsa());
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n->flags |= KEY_FLAG_EXT;
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keys[1] = n;
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keys[2] = NULL;
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key_free(k);
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return keys;
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}
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#define NUM_RSA_KEY_ELEMENTS 5+1
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7
scard.h
7
scard.h
@ -1,4 +1,4 @@
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/* $OpenBSD: scard.h,v 1.9 2002/03/21 21:54:34 rees Exp $ */
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/* $OpenBSD: scard.h,v 1.10 2002/03/25 17:34:27 markus Exp $ */
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/*
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* Copyright (c) 2001 Markus Friedl. All rights reserved.
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@ -24,8 +24,6 @@
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <openssl/engine.h>
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#ifndef SCARD_H
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#define SCARD_H
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@ -35,8 +33,7 @@
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#define SCARD_ERROR_NOCARD -2
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#define SCARD_ERROR_APPLET -3
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Key *sc_get_key(const char*, const char*);
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ENGINE *sc_get_engine(void);
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Key **sc_get_keys(const char*, const char*);
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void sc_close(void);
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int sc_put_key(Key *, const char*);
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98
ssh-agent.c
98
ssh-agent.c
@ -34,7 +34,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: ssh-agent.c,v 1.83 2002/03/21 22:44:05 rees Exp $");
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RCSID("$OpenBSD: ssh-agent.c,v 1.84 2002/03/25 17:34:27 markus Exp $");
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#if defined(HAVE_SYS_QUEUE_H) && !defined(HAVE_BOGUS_SYS_QUEUE_H)
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#include <sys/queue.h>
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@ -57,7 +57,6 @@ RCSID("$OpenBSD: ssh-agent.c,v 1.83 2002/03/21 22:44:05 rees Exp $");
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#include "log.h"
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#ifdef SMARTCARD
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#include <openssl/engine.h>
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#include "scard.h"
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#endif
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@ -452,50 +451,39 @@ send:
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static void
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process_add_smartcard_key (SocketEntry *e)
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{
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Identity *id;
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Idtab *tab;
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Key *n = NULL, *k = NULL;
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Key **keys, *k;
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char *sc_reader_id = NULL, *pin;
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int success = 0;
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int i, version, success = 0;
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sc_reader_id = buffer_get_string(&e->input, NULL);
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pin = buffer_get_string(&e->input, NULL);
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k = sc_get_key(sc_reader_id, pin);
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keys = sc_get_keys(sc_reader_id, pin);
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xfree(sc_reader_id);
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xfree(pin);
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if (k == NULL) {
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error("sc_get_pubkey failed");
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if (keys == NULL || keys[0] == NULL) {
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error("sc_get_keys failed");
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goto send;
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}
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success = 1;
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tab = idtab_lookup(1);
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k->type = KEY_RSA1;
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if (lookup_identity(k, 1) == NULL) {
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Identity *id = xmalloc(sizeof(Identity));
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n = key_new(KEY_RSA1);
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BN_copy(n->rsa->n, k->rsa->n);
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BN_copy(n->rsa->e, k->rsa->e);
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RSA_set_method(n->rsa, sc_get_engine());
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id->key = n;
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id->comment = xstrdup("rsa1 smartcard");
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TAILQ_INSERT_TAIL(&tab->idlist, id, next);
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tab->nentries++;
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for (i = 0; keys[i] != NULL; i++) {
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k = keys[i];
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version = k->type == KEY_RSA1 ? 1 : 2;
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tab = idtab_lookup(version);
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if (lookup_identity(k, version) == NULL) {
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id = xmalloc(sizeof(Identity));
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id->key = k;
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id->comment = xstrdup("smartcard key");
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TAILQ_INSERT_TAIL(&tab->idlist, id, next);
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tab->nentries++;
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success = 1;
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} else {
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key_free(k);
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}
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keys[i] = NULL;
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}
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k->type = KEY_RSA;
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tab = idtab_lookup(2);
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if (lookup_identity(k, 2) == NULL) {
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Identity *id = xmalloc(sizeof(Identity));
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n = key_new(KEY_RSA);
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BN_copy(n->rsa->n, k->rsa->n);
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BN_copy(n->rsa->e, k->rsa->e);
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RSA_set_method(n->rsa, sc_get_engine());
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id->key = n;
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id->comment = xstrdup("rsa smartcard");
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TAILQ_INSERT_TAIL(&tab->idlist, id, next);
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tab->nentries++;
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}
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key_free(k);
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xfree(keys);
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send:
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buffer_put_int(&e->output, 1);
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buffer_put_char(&e->output,
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@ -505,41 +493,37 @@ send:
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static void
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process_remove_smartcard_key(SocketEntry *e)
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{
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Key *k = NULL;
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int success = 0;
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Identity *id;
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Idtab *tab;
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Key **keys, *k = NULL;
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char *sc_reader_id = NULL, *pin;
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int i, version, success = 0;
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sc_reader_id = buffer_get_string(&e->input, NULL);
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pin = buffer_get_string(&e->input, NULL);
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k = sc_get_key(sc_reader_id, pin);
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keys = sc_get_keys(sc_reader_id, pin);
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xfree(sc_reader_id);
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xfree(pin);
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if (k == NULL) {
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error("sc_get_pubkey failed");
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} else {
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Identity *id;
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k->type = KEY_RSA1;
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id = lookup_identity(k, 1);
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if (id != NULL) {
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Idtab *tab = idtab_lookup(1);
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TAILQ_REMOVE(&tab->idlist, id, next);
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free_identity(id);
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if (keys == NULL || keys[0] == NULL) {
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error("sc_get_keys failed");
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goto send;
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}
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for (i = 0; keys[i] != NULL; i++) {
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k = keys[i];
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version = k->type == KEY_RSA1 ? 1 : 2;
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if ((id = lookup_identity(k, version)) != NULL) {
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tab = idtab_lookup(version);
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TAILQ_REMOVE(&tab->idlist, id, next);
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tab->nentries--;
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success = 1;
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}
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k->type = KEY_RSA;
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id = lookup_identity(k, 2);
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if (id != NULL) {
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Idtab *tab = idtab_lookup(2);
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TAILQ_REMOVE(&tab->idlist, id, next);
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free_identity(id);
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tab->nentries--;
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success = 1;
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}
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key_free(k);
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keys[i] = NULL;
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}
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xfree(keys);
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send:
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buffer_put_int(&e->output, 1);
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buffer_put_char(&e->output,
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success ? SSH_AGENT_SUCCESS : SSH_AGENT_FAILURE);
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18
ssh-keygen.c
18
ssh-keygen.c
@ -12,7 +12,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: ssh-keygen.c,v 1.96 2002/03/21 21:54:34 rees Exp $");
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RCSID("$OpenBSD: ssh-keygen.c,v 1.97 2002/03/25 17:34:27 markus Exp $");
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#include <openssl/evp.h>
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#include <openssl/pem.h>
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@ -416,14 +416,18 @@ do_upload(struct passwd *pw, const char *sc_reader_id)
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static void
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do_download(struct passwd *pw, const char *sc_reader_id)
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{
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Key *pub = NULL;
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Key **keys = NULL;
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int i;
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pub = sc_get_key(sc_reader_id, NULL);
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if (pub == NULL)
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keys = sc_get_keys(sc_reader_id, NULL);
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if (keys == NULL)
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fatal("cannot read public key from smartcard");
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key_write(pub, stdout);
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key_free(pub);
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fprintf(stdout, "\n");
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for (i = 0; keys[i]; i++) {
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key_write(keys[i], stdout);
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key_free(keys[i]);
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fprintf(stdout, "\n");
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}
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xfree(keys);
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exit(0);
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}
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#endif /* SMARTCARD */
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54
ssh.c
54
ssh.c
@ -39,7 +39,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: ssh.c,v 1.166 2002/03/21 22:44:05 rees Exp $");
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RCSID("$OpenBSD: ssh.c,v 1.167 2002/03/25 17:34:27 markus Exp $");
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#include <openssl/evp.h>
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#include <openssl/err.h>
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@ -70,7 +70,6 @@ RCSID("$OpenBSD: ssh.c,v 1.166 2002/03/21 22:44:05 rees Exp $");
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#include "sshtty.h"
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#ifdef SMARTCARD
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#include <openssl/engine.h>
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#include "scard.h"
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#endif
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@ -1187,40 +1186,29 @@ static void
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load_public_identity_files(void)
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{
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char *filename;
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Key *public;
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int i = 0;
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Key *public;
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#ifdef SMARTCARD
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Key **keys;
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if (options.smartcard_device != NULL &&
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options.num_identity_files + 1 < SSH_MAX_IDENTITY_FILES &&
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(public = sc_get_key(options.smartcard_device, NULL)) != NULL ) {
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Key *new;
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if (options.num_identity_files + 2 > SSH_MAX_IDENTITY_FILES)
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options.num_identity_files = SSH_MAX_IDENTITY_FILES - 2;
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memmove(&options.identity_files[2], &options.identity_files[0],
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sizeof(char *) * options.num_identity_files);
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options.num_identity_files += 2;
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i = 2;
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/* XXX ssh1 vs ssh2 */
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new = key_new(KEY_RSA);
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new->flags = KEY_FLAG_EXT;
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BN_copy(new->rsa->n, public->rsa->n);
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BN_copy(new->rsa->e, public->rsa->e);
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RSA_set_method(new->rsa, sc_get_engine());
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options.identity_keys[0] = new;
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options.identity_files[0] = xstrdup("smartcard rsa key");;
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new = key_new(KEY_RSA1);
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new->flags = KEY_FLAG_EXT;
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BN_copy(new->rsa->n, public->rsa->n);
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BN_copy(new->rsa->e, public->rsa->e);
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RSA_set_method(new->rsa, sc_get_engine());
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options.identity_keys[1] = new;
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options.identity_files[1] = xstrdup("smartcard rsa1 key");
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key_free(public);
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options.num_identity_files < SSH_MAX_IDENTITY_FILES &&
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(keys = sc_get_keys(options.smartcard_device, NULL)) != NULL ) {
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int count = 0;
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for (i = 0; keys[i] != NULL; i++) {
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count++;
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if (options.num_identity_files + 1 > SSH_MAX_IDENTITY_FILES)
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options.num_identity_files = SSH_MAX_IDENTITY_FILES - 1;
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memmove(&options.identity_files[1], &options.identity_files[0],
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sizeof(char *) * (SSH_MAX_IDENTITY_FILES - 1));
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memmove(&options.identity_keys[1], &options.identity_keys[0],
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sizeof(Key *) * (SSH_MAX_IDENTITY_FILES - 1));
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options.num_identity_files++;
|
||||
options.identity_keys[0] = keys[i];
|
||||
options.identity_files[0] = xstrdup("smartcard key");;
|
||||
}
|
||||
i = count;
|
||||
xfree(keys);
|
||||
}
|
||||
#endif /* SMARTCARD */
|
||||
for (; i < options.num_identity_files; i++) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user