rpms/openssh
7
0
Fork 1
Code Issues Pull Requests Releases Activity
7451555c05
openssh/openssh-5.3p1-fips.patch
Jan F. Chadima c54a8b0af7 Upgrade to new wersion 5.3p1
2009-10-02 13:50:30 +00:00

696 lines
24 KiB
Diff
Raw Blame History

diff -up openssh-5.3p1/auth2-pubkey.c.fips openssh-5.3p1/auth2-pubkey.c
--- openssh-5.3p1/auth2-pubkey.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/auth2-pubkey.c 2009-10-02 14:12:00.000000000 +0200
@@ -33,6 +33,7 @@
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
+#include <openssl/fips.h>
#include "xmalloc.h"
#include "ssh.h"
@@ -240,7 +241,7 @@ user_key_allowed2(struct passwd *pw, Key
found_key = 1;
debug("matching key found: file %s, line %lu",
file, linenum);
- fp = key_fingerprint(found, SSH_FP_MD5, SSH_FP_HEX);
+ fp = key_fingerprint(found, FIPS_mode() ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
verbose("Found matching %s key: %s",
key_type(found), fp);
xfree(fp);
diff -up openssh-5.3p1/authfile.c.fips openssh-5.3p1/authfile.c
--- openssh-5.3p1/authfile.c.fips 2006-09-01 07:38:36.000000000 +0200
+++ openssh-5.3p1/authfile.c 2009-10-02 14:12:00.000000000 +0200
@@ -143,8 +143,14 @@ key_save_private_rsa1(Key *key, const ch
/* Allocate space for the private part of the key in the buffer. */
cp = buffer_append_space(&encrypted, buffer_len(&buffer));
- cipher_set_key_string(&ciphercontext, cipher, passphrase,
- CIPHER_ENCRYPT);
+ if (cipher_set_key_string(&ciphercontext, cipher, passphrase,
+ CIPHER_ENCRYPT) < 0) {
+ error("cipher_set_key_string failed.");
+ buffer_free(&encrypted);
+ buffer_free(&buffer);
+ return 0;
+ }
+
cipher_crypt(&ciphercontext, cp,
buffer_ptr(&buffer), buffer_len(&buffer));
cipher_cleanup(&ciphercontext);
@@ -414,8 +420,14 @@ key_load_private_rsa1(int fd, const char
cp = buffer_append_space(&decrypted, buffer_len(&buffer));
/* Rest of the buffer is encrypted. Decrypt it using the passphrase. */
- cipher_set_key_string(&ciphercontext, cipher, passphrase,
- CIPHER_DECRYPT);
+ if (cipher_set_key_string(&ciphercontext, cipher, passphrase,
+ CIPHER_DECRYPT) < 0) {
+ error("cipher_set_key_string failed.");
+ buffer_free(&decrypted);
+ buffer_free(&buffer);
+ goto fail;
+ }
+
cipher_crypt(&ciphercontext, cp,
buffer_ptr(&buffer), buffer_len(&buffer));
cipher_cleanup(&ciphercontext);
diff -up openssh-5.3p1/cipher.c.fips openssh-5.3p1/cipher.c
--- openssh-5.3p1/cipher.c.fips 2009-10-02 13:44:03.000000000 +0200
+++ openssh-5.3p1/cipher.c 2009-10-02 14:12:00.000000000 +0200
@@ -40,6 +40,7 @@
#include <sys/types.h>
#include <openssl/md5.h>
+#include <openssl/fips.h>
#include <string.h>
#include <stdarg.h>
@@ -93,6 +94,22 @@ struct Cipher {
{ NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, NULL }
};
+struct Cipher fips_ciphers[] = {
+ { "none", SSH_CIPHER_NONE, 8, 0, 0, 0, EVP_enc_null },
+ { "3des", SSH_CIPHER_3DES, 8, 16, 0, 1, evp_ssh1_3des },
+
+ { "3des-cbc", SSH_CIPHER_SSH2, 8, 24, 0, 1, EVP_des_ede3_cbc },
+ { "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, 0, 1, EVP_aes_128_cbc },
+ { "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, 0, 1, EVP_aes_192_cbc },
+ { "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, 0, 1, EVP_aes_256_cbc },
+ { "rijndael-cbc@lysator.liu.se",
+ SSH_CIPHER_SSH2, 16, 32, 0, 1, EVP_aes_256_cbc },
+ { "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, evp_aes_128_ctr },
+ { "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, evp_aes_128_ctr },
+ { "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, evp_aes_128_ctr },
+ { NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, NULL }
+};
+
/*--*/
u_int
@@ -135,7 +152,7 @@ Cipher *
cipher_by_name(const char *name)
{
Cipher *c;
- for (c = ciphers; c->name != NULL; c++)
+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
if (strcmp(c->name, name) == 0)
return c;
return NULL;
@@ -145,7 +162,7 @@ Cipher *
cipher_by_number(int id)
{
Cipher *c;
- for (c = ciphers; c->name != NULL; c++)
+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
if (c->number == id)
return c;
return NULL;
@@ -189,7 +206,7 @@ cipher_number(const char *name)
Cipher *c;
if (name == NULL)
return -1;
- for (c = ciphers; c->name != NULL; c++)
+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
if (strcasecmp(c->name, name) == 0)
return c->number;
return -1;
@@ -296,14 +313,15 @@ cipher_cleanup(CipherContext *cc)
* passphrase and using the resulting 16 bytes as the key.
*/
-void
+int
cipher_set_key_string(CipherContext *cc, Cipher *cipher,
const char *passphrase, int do_encrypt)
{
MD5_CTX md;
u_char digest[16];
- MD5_Init(&md);
+ if (MD5_Init(&md) <= 0)
+ return -1;
MD5_Update(&md, (const u_char *)passphrase, strlen(passphrase));
MD5_Final(digest, &md);
@@ -311,6 +329,7 @@ cipher_set_key_string(CipherContext *cc,
memset(digest, 0, sizeof(digest));
memset(&md, 0, sizeof(md));
+ return 0;
}
/*
diff -up openssh-5.3p1/cipher-ctr.c.fips openssh-5.3p1/cipher-ctr.c
--- openssh-5.3p1/cipher-ctr.c.fips 2007-06-14 15:21:33.000000000 +0200
+++ openssh-5.3p1/cipher-ctr.c 2009-10-02 14:12:00.000000000 +0200
@@ -140,7 +140,8 @@ evp_aes_128_ctr(void)
aes_ctr.do_cipher = ssh_aes_ctr;
#ifndef SSH_OLD_EVP
aes_ctr.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH |
- EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV;
+ EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV |
+ EVP_CIPH_FLAG_FIPS;
#endif
return (&aes_ctr);
}
diff -up openssh-5.3p1/cipher.h.fips openssh-5.3p1/cipher.h
--- openssh-5.3p1/cipher.h.fips 2009-01-28 06:38:41.000000000 +0100
+++ openssh-5.3p1/cipher.h 2009-10-02 14:12:00.000000000 +0200
@@ -78,7 +78,7 @@ void cipher_init(CipherContext *, Ciphe
const u_char *, u_int, int);
void cipher_crypt(CipherContext *, u_char *, const u_char *, u_int);
void cipher_cleanup(CipherContext *);
-void cipher_set_key_string(CipherContext *, Cipher *, const char *, int);
+int cipher_set_key_string(CipherContext *, Cipher *, const char *, int);
u_int cipher_blocksize(const Cipher *);
u_int cipher_keylen(const Cipher *);
u_int cipher_is_cbc(const Cipher *);
diff -up openssh-5.3p1/mac.c.fips openssh-5.3p1/mac.c
--- openssh-5.3p1/mac.c.fips 2008-06-13 02:58:50.000000000 +0200
+++ openssh-5.3p1/mac.c 2009-10-02 14:12:00.000000000 +0200
@@ -28,6 +28,7 @@
#include <sys/types.h>
#include <openssl/hmac.h>
+#include <openssl/fips.h>
#include <stdarg.h>
#include <string.h>
@@ -47,14 +48,14 @@
#define SSH_EVP 1 /* OpenSSL EVP-based MAC */
#define SSH_UMAC 2 /* UMAC (not integrated with OpenSSL) */
-struct {
+struct Macs {
char *name;
int type;
const EVP_MD * (*mdfunc)(void);
int truncatebits; /* truncate digest if != 0 */
int key_len; /* just for UMAC */
int len; /* just for UMAC */
-} macs[] = {
+} all_macs[] = {
{ "hmac-sha1", SSH_EVP, EVP_sha1, 0, -1, -1 },
{ "hmac-sha1-96", SSH_EVP, EVP_sha1, 96, -1, -1 },
{ "hmac-md5", SSH_EVP, EVP_md5, 0, -1, -1 },
@@ -65,9 +66,15 @@ struct {
{ NULL, 0, NULL, 0, -1, -1 }
};
+struct Macs fips_macs[] = {
+ { "hmac-sha1", SSH_EVP, EVP_sha1, 0, -1, -1 },
+ { NULL, 0, NULL, 0, -1, -1 }
+};
+
static void
mac_setup_by_id(Mac *mac, int which)
{
+ struct Macs *macs = FIPS_mode() ? fips_macs : all_macs;
int evp_len;
mac->type = macs[which].type;
if (mac->type == SSH_EVP) {
@@ -88,6 +95,7 @@ int
mac_setup(Mac *mac, char *name)
{
int i;
+ struct Macs *macs = FIPS_mode() ? fips_macs : all_macs;
for (i = 0; macs[i].name; i++) {
if (strcmp(name, macs[i].name) == 0) {
diff -up openssh-5.3p1/Makefile.in.fips openssh-5.3p1/Makefile.in
--- openssh-5.3p1/Makefile.in.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/Makefile.in 2009-10-02 14:20:18.000000000 +0200
@@ -136,28 +136,28 @@ libssh.a: $(LIBSSH_OBJS)
$(RANLIB) $@
ssh$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHOBJS)
- $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
+ $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
sshd$(EXEEXT): libssh.a $(LIBCOMPAT) $(SSHDOBJS)
- $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS)
+ $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHDLIBS) $(LIBS)
scp$(EXEEXT): $(LIBCOMPAT) libssh.a scp.o progressmeter.o
$(LD) -o $@ scp.o progressmeter.o bufaux.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
ssh-add$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-add.o
- $(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
+ $(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
ssh-agent$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-agent.o
- $(LD) -o $@ ssh-agent.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
+ $(LD) -o $@ ssh-agent.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
ssh-keygen$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keygen.o
- $(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
+ $(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
ssh-keysign$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keysign.o roaming_dummy.o
- $(LD) -o $@ ssh-keysign.o readconf.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
+ $(LD) -o $@ ssh-keysign.o readconf.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o roaming_dummy.o
- $(LD) -o $@ ssh-keyscan.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
+ $(LD) -o $@ ssh-keyscan.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)
sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-common.o sftp-server.o sftp-server-main.o
$(LD) -o $@ sftp-server.o sftp-common.o sftp-server-main.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
diff -up openssh-5.3p1/myproposal.h.fips openssh-5.3p1/myproposal.h
--- openssh-5.3p1/myproposal.h.fips 2009-01-28 06:33:31.000000000 +0100
+++ openssh-5.3p1/myproposal.h 2009-10-02 14:12:00.000000000 +0200
@@ -53,7 +53,12 @@
"hmac-sha1-96,hmac-md5-96"
#define KEX_DEFAULT_COMP "none,zlib@openssh.com,zlib"
#define KEX_DEFAULT_LANG ""
-
+#define KEX_FIPS_ENCRYPT \
+ "aes128-ctr,aes192-ctr,aes256-ctr," \
+ "aes128-cbc,3des-cbc," \
+ "aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se"
+#define KEX_FIPS_MAC \
+ "hmac-sha1"
static char *myproposal[PROPOSAL_MAX] = {
KEX_DEFAULT_KEX,
diff -up openssh-5.3p1/nsskeys.c.fips openssh-5.3p1/nsskeys.c
--- openssh-5.3p1/nsskeys.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/nsskeys.c 2009-10-02 14:12:00.000000000 +0200
@@ -183,8 +183,8 @@ nss_convert_pubkey(Key *k)
break;
}
- p = key_fingerprint(k, SSH_FP_MD5, SSH_FP_HEX);
- debug("fingerprint %u %s", key_size(k), p);
+ p = key_fingerprint(k, SSH_FP_SHA1, SSH_FP_HEX);
+ debug("SHA1 fingerprint %u %s", key_size(k), p);
xfree(p);
return 0;
diff -up openssh-5.3p1/openbsd-compat/bsd-arc4random.c.fips openssh-5.3p1/openbsd-compat/bsd-arc4random.c
--- openssh-5.3p1/openbsd-compat/bsd-arc4random.c.fips 2008-06-04 02:54:00.000000000 +0200
+++ openssh-5.3p1/openbsd-compat/bsd-arc4random.c 2009-10-02 14:12:00.000000000 +0200
@@ -39,6 +39,7 @@
static int rc4_ready = 0;
static RC4_KEY rc4;
+#if 0
unsigned int
arc4random(void)
{
@@ -82,6 +83,32 @@ arc4random_stir(void)
rc4_ready = REKEY_BYTES;
}
+#else
+unsigned int
+arc4random(void)
+{
+ unsigned int r = 0;
+ void *rp = &r;
+
+ if (!rc4_ready) {
+ arc4random_stir();
+ }
+ RAND_bytes(rp, sizeof(r));
+
+ return(r);
+}
+
+void
+arc4random_stir(void)
+{
+ unsigned char rand_buf[SEED_SIZE];
+
+ if (RAND_bytes(rand_buf, sizeof(rand_buf)) <= 0)
+ fatal("Couldn't obtain random bytes (error %ld)",
+ ERR_get_error());
+ rc4_ready = 1;
+}
+#endif
#endif /* !HAVE_ARC4RANDOM */
#ifndef ARC4RANDOM_BUF
diff -up openssh-5.3p1/ssh-add.c.fips openssh-5.3p1/ssh-add.c
--- openssh-5.3p1/ssh-add.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/ssh-add.c 2009-10-02 14:12:00.000000000 +0200
@@ -42,6 +42,7 @@
#include <sys/param.h>
#include <openssl/evp.h>
+#include <openssl/fips.h>
#include "openbsd-compat/openssl-compat.h"
#ifdef HAVE_LIBNSS
@@ -254,7 +255,7 @@ list_identities(AuthenticationConnection
key = ssh_get_next_identity(ac, &comment, version)) {
had_identities = 1;
if (do_fp) {
- fp = key_fingerprint(key, SSH_FP_MD5,
+ fp = key_fingerprint(key, FIPS_mode() ? SSH_FP_SHA1 : SSH_FP_MD5,
SSH_FP_HEX);
printf("%d %s %s (%s)\n",
key_size(key), fp, comment, key_type(key));
diff -up openssh-5.3p1/ssh-agent.c.fips openssh-5.3p1/ssh-agent.c
--- openssh-5.3p1/ssh-agent.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/ssh-agent.c 2009-10-02 14:12:00.000000000 +0200
@@ -51,6 +51,7 @@
#include <openssl/evp.h>
#include <openssl/md5.h>
+#include <openssl/fips.h>
#include "openbsd-compat/openssl-compat.h"
#include <errno.h>
@@ -200,9 +201,9 @@ confirm_key(Identity *id)
char *p;
int ret = -1;
- p = key_fingerprint(id->key, SSH_FP_MD5, SSH_FP_HEX);
- if (ask_permission("Allow use of key %s?\nKey fingerprint %s.",
- id->comment, p))
+ p = key_fingerprint(id->key, FIPS_mode() ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
+ if (ask_permission("Allow use of key %s?\nKey %sfingerprint %s.",
+ id->comment, FIPS_mode() ? "SHA1 " : "", p))
ret = 0;
xfree(p);
diff -up openssh-5.3p1/ssh.c.fips openssh-5.3p1/ssh.c
--- openssh-5.3p1/ssh.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/ssh.c 2009-10-02 14:12:00.000000000 +0200
@@ -72,6 +72,8 @@
#include <openssl/evp.h>
#include <openssl/err.h>
+#include <openssl/fips.h>
+#include <fipscheck.h>
#include "openbsd-compat/openssl-compat.h"
#include "openbsd-compat/sys-queue.h"
@@ -221,6 +223,10 @@ main(int ac, char **av)
sanitise_stdfd();
__progname = ssh_get_progname(av[0]);
+ SSLeay_add_all_algorithms();
+ if (FIPS_mode() && !FIPSCHECK_verify(NULL, NULL)) {
+ fatal("FIPS integrity verification test failed.");
+ }
init_rng();
/*
@@ -281,6 +287,9 @@ main(int ac, char **av)
"ACD:F:I:KL:MNO:PR:S:TVw:XYy")) != -1) {
switch (opt) {
case '1':
+ if (FIPS_mode()) {
+ fatal("Protocol 1 not allowed in the FIPS mode.");
+ }
options.protocol = SSH_PROTO_1;
break;
case '2':
@@ -552,7 +561,6 @@ main(int ac, char **av)
if (!host)
usage();
- SSLeay_add_all_algorithms();
ERR_load_crypto_strings();
/* Initialize the command to execute on remote host. */
@@ -638,6 +646,10 @@ main(int ac, char **av)
seed_rng();
+ if (FIPS_mode()) {
+ logit("FIPS mode initialized");
+ }
+
if (options.user == NULL)
options.user = xstrdup(pw->pw_name);
@@ -704,6 +716,12 @@ main(int ac, char **av)
timeout_ms = options.connection_timeout * 1000;
+ if (FIPS_mode()) {
+ options.protocol &= SSH_PROTO_2;
+ if (options.protocol == 0)
+ fatal("Protocol 2 disabled by configuration but required in the FIPS mode.");
+ }
+
/* Open a connection to the remote host. */
if (ssh_connect(host, &hostaddr, options.port,
options.address_family, options.connection_attempts, &timeout_ms,
diff -up openssh-5.3p1/sshconnect2.c.fips openssh-5.3p1/sshconnect2.c
--- openssh-5.3p1/sshconnect2.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/sshconnect2.c 2009-10-02 14:12:00.000000000 +0200
@@ -44,6 +44,8 @@
#include <vis.h>
#endif
+#include <openssl/fips.h>
+
#include "openbsd-compat/sys-queue.h"
#include "xmalloc.h"
@@ -116,6 +118,10 @@ ssh_kex2(char *host, struct sockaddr *ho
if (options.ciphers != NULL) {
myproposal[PROPOSAL_ENC_ALGS_CTOS] =
myproposal[PROPOSAL_ENC_ALGS_STOC] = options.ciphers;
+ } else if (FIPS_mode()) {
+ myproposal[PROPOSAL_ENC_ALGS_CTOS] =
+ myproposal[PROPOSAL_ENC_ALGS_STOC] = KEX_FIPS_ENCRYPT;
+
}
myproposal[PROPOSAL_ENC_ALGS_CTOS] =
compat_cipher_proposal(myproposal[PROPOSAL_ENC_ALGS_CTOS]);
@@ -131,7 +137,11 @@ ssh_kex2(char *host, struct sockaddr *ho
if (options.macs != NULL) {
myproposal[PROPOSAL_MAC_ALGS_CTOS] =
myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;
+ } else if (FIPS_mode()) {
+ myproposal[PROPOSAL_MAC_ALGS_CTOS] =
+ myproposal[PROPOSAL_MAC_ALGS_STOC] = KEX_FIPS_MAC;
}
+
if (options.hostkeyalgorithms != NULL)
myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] =
options.hostkeyalgorithms;
@@ -508,8 +518,8 @@ input_userauth_pk_ok(int type, u_int32_t
key->type, pktype);
goto done;
}
- fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX);
- debug2("input_userauth_pk_ok: fp %s", fp);
+ fp = key_fingerprint(key, SSH_FP_SHA1, SSH_FP_HEX);
+ debug2("input_userauth_pk_ok: SHA1 fp %s", fp);
xfree(fp);
/*
diff -up openssh-5.3p1/sshconnect.c.fips openssh-5.3p1/sshconnect.c
--- openssh-5.3p1/sshconnect.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/sshconnect.c 2009-10-02 14:12:00.000000000 +0200
@@ -40,6 +40,8 @@
#include <unistd.h>
#include <fcntl.h>
+#include <openssl/fips.h>
+
#include "xmalloc.h"
#include "key.h"
#include "hostfile.h"
@@ -763,6 +765,7 @@ check_host_key(char *hostname, struct so
goto fail;
} else if (options.strict_host_key_checking == 2) {
char msg1[1024], msg2[1024];
+ int fips_on = FIPS_mode();
if (show_other_keys(host, host_key))
snprintf(msg1, sizeof(msg1),
@@ -771,8 +774,8 @@ check_host_key(char *hostname, struct so
else
snprintf(msg1, sizeof(msg1), ".");
/* The default */
- fp = key_fingerprint(host_key, SSH_FP_MD5, SSH_FP_HEX);
- ra = key_fingerprint(host_key, SSH_FP_MD5,
+ fp = key_fingerprint(host_key, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
+ ra = key_fingerprint(host_key, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5,
SSH_FP_RANDOMART);
msg2[0] = '\0';
if (options.verify_host_key_dns) {
@@ -788,10 +791,10 @@ check_host_key(char *hostname, struct so
snprintf(msg, sizeof(msg),
"The authenticity of host '%.200s (%s)' can't be "
"established%s\n"
- "%s key fingerprint is %s.%s%s\n%s"
+ "%s key %sfingerprint is %s.%s%s\n%s"
"Are you sure you want to continue connecting "
"(yes/no)? ",
- host, ip, msg1, type, fp,
+ host, ip, msg1, type, fips_on ? "SHA1 " : "", fp,
options.visual_host_key ? "\n" : "",
options.visual_host_key ? ra : "",
msg2);
@@ -1079,17 +1082,18 @@ show_key_from_file(const char *file, con
Key *found;
char *fp, *ra;
int line, ret;
+ int fips_on = FIPS_mode();
found = key_new(keytype);
if ((ret = lookup_key_in_hostfile_by_type(file, host,
keytype, found, &line))) {
- fp = key_fingerprint(found, SSH_FP_MD5, SSH_FP_HEX);
- ra = key_fingerprint(found, SSH_FP_MD5, SSH_FP_RANDOMART);
+ fp = key_fingerprint(found, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
+ ra = key_fingerprint(found, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_RANDOMART);
logit("WARNING: %s key found for host %s\n"
"in %s:%d\n"
- "%s key fingerprint %s.\n%s\n",
+ "%s key %sfingerprint %s.\n%s\n",
key_type(found), host, file, line,
- key_type(found), fp, ra);
+ key_type(found), fips_on ? "SHA1 ":"", fp, ra);
xfree(ra);
xfree(fp);
}
@@ -1135,8 +1139,9 @@ warn_changed_key(Key *host_key)
{
char *fp;
const char *type = key_type(host_key);
+ int fips_on = FIPS_mode();
- fp = key_fingerprint(host_key, SSH_FP_MD5, SSH_FP_HEX);
+ fp = key_fingerprint(host_key, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
error("@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @");
@@ -1144,8 +1149,8 @@ warn_changed_key(Key *host_key)
error("IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!");
error("Someone could be eavesdropping on you right now (man-in-the-middle attack)!");
error("It is also possible that the %s host key has just been changed.", type);
- error("The fingerprint for the %s key sent by the remote host is\n%s.",
- type, fp);
+ error("The %sfingerprint for the %s key sent by the remote host is\n%s.",
+ fips_on ? "SHA1 ":"", type, fp);
error("Please contact your system administrator.");
xfree(fp);
diff -up openssh-5.3p1/sshd.c.fips openssh-5.3p1/sshd.c
--- openssh-5.3p1/sshd.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/sshd.c 2009-10-02 14:12:00.000000000 +0200
@@ -76,6 +76,8 @@
#include <openssl/bn.h>
#include <openssl/md5.h>
#include <openssl/rand.h>
+#include <openssl/fips.h>
+#include <fipscheck.h>
#include "openbsd-compat/openssl-compat.h"
#ifdef HAVE_SECUREWARE
@@ -1261,6 +1263,12 @@ main(int ac, char **av)
(void)set_auth_parameters(ac, av);
#endif
__progname = ssh_get_progname(av[0]);
+
+ SSLeay_add_all_algorithms();
+ if (FIPS_mode() && !FIPSCHECK_verify(NULL, NULL)) {
+ fatal("FIPS integrity verification test failed.");
+ }
+
init_rng();
/* Save argv. Duplicate so setproctitle emulation doesn't clobber it */
@@ -1413,8 +1421,6 @@ main(int ac, char **av)
else
closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);
- SSLeay_add_all_algorithms();
-
/*
* Force logging to stderr until we have loaded the private host
* key (unless started from inetd)
@@ -1532,6 +1538,10 @@ main(int ac, char **av)
debug("private host key: #%d type %d %s", i, key->type,
key_type(key));
}
+ if ((options.protocol & SSH_PROTO_1) && FIPS_mode()) {
+ logit("Disabling protocol version 1. Not allowed in the FIPS mode.");
+ options.protocol &= ~SSH_PROTO_1;
+ }
if ((options.protocol & SSH_PROTO_1) && !sensitive_data.have_ssh1_key) {
logit("Disabling protocol version 1. Could not load host key");
options.protocol &= ~SSH_PROTO_1;
@@ -1656,6 +1666,10 @@ main(int ac, char **av)
/* Initialize the random number generator. */
arc4random_stir();
+ if (FIPS_mode()) {
+ logit("FIPS mode initialized");
+ }
+
/* Chdir to the root directory so that the current disk can be
unmounted if desired. */
chdir("/");
@@ -2183,6 +2197,9 @@ do_ssh2_kex(void)
if (options.ciphers != NULL) {
myproposal[PROPOSAL_ENC_ALGS_CTOS] =
myproposal[PROPOSAL_ENC_ALGS_STOC] = options.ciphers;
+ } else if (FIPS_mode()) {
+ myproposal[PROPOSAL_ENC_ALGS_CTOS] =
+ myproposal[PROPOSAL_ENC_ALGS_STOC] = KEX_FIPS_ENCRYPT;
}
myproposal[PROPOSAL_ENC_ALGS_CTOS] =
compat_cipher_proposal(myproposal[PROPOSAL_ENC_ALGS_CTOS]);
@@ -2192,6 +2209,9 @@ do_ssh2_kex(void)
if (options.macs != NULL) {
myproposal[PROPOSAL_MAC_ALGS_CTOS] =
myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;
+ } else if (FIPS_mode()) {
+ myproposal[PROPOSAL_MAC_ALGS_CTOS] =
+ myproposal[PROPOSAL_MAC_ALGS_STOC] = KEX_FIPS_MAC;
}
if (options.compression == COMP_NONE) {
myproposal[PROPOSAL_COMP_ALGS_CTOS] =
diff -up openssh-5.3p1/ssh-keygen.c.fips openssh-5.3p1/ssh-keygen.c
--- openssh-5.3p1/ssh-keygen.c.fips 2009-10-02 14:12:00.000000000 +0200
+++ openssh-5.3p1/ssh-keygen.c 2009-10-02 14:12:00.000000000 +0200
@@ -21,6 +21,7 @@
#include <openssl/evp.h>
#include <openssl/pem.h>
+#include <openssl/fips.h>
#include "openbsd-compat/openssl-compat.h"
#include <errno.h>
@@ -537,7 +538,7 @@ do_fingerprint(struct passwd *pw)
enum fp_type fptype;
struct stat st;
- fptype = print_bubblebabble ? SSH_FP_SHA1 : SSH_FP_MD5;
+ fptype = print_bubblebabble ? SSH_FP_SHA1 : FIPS_mode() ? SSH_FP_SHA1 : SSH_FP_MD5;
rep = print_bubblebabble ? SSH_FP_BUBBLEBABBLE : SSH_FP_HEX;
if (!have_identity)
@@ -1506,14 +1507,15 @@ passphrase_again:
fclose(f);
if (!quiet) {
- char *fp = key_fingerprint(public, SSH_FP_MD5, SSH_FP_HEX);
- char *ra = key_fingerprint(public, SSH_FP_MD5,
+ int fips_on = FIPS_mode();
+ char *fp = key_fingerprint(public, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
+ char *ra = key_fingerprint(public, fips_on ? SSH_FP_SHA1 : SSH_FP_MD5,
SSH_FP_RANDOMART);
printf("Your public key has been saved in %s.\n",
identity_file);
- printf("The key fingerprint is:\n");
+ printf("The key %sfingerprint is:\n", fips_on ? "SHA1 " : "");
printf("%s %s\n", fp, comment);
- printf("The key's randomart image is:\n");
+ printf("The key's %srandomart image is:\n", fips_on ? "SHA1 " :"");
printf("%s\n", ra);
xfree(ra);
xfree(fp);
Reference in New Issue View Git Blame Copy Permalink