665 lines
23 KiB
Diff
665 lines
23 KiB
Diff
diff -up openssh-7.4p1/cipher.c.fips openssh-7.4p1/cipher.c
|
|
--- openssh-7.4p1/cipher.c.fips 2016-12-23 16:37:49.290741582 +0100
|
|
+++ openssh-7.4p1/cipher.c 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -39,6 +39,8 @@
|
|
|
|
#include <sys/types.h>
|
|
|
|
+#include <openssl/fips.h>
|
|
+
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
@@ -116,6 +118,20 @@ static const struct sshcipher ciphers[]
|
|
{ NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
+static const struct sshcipher fips_ciphers[] = {
|
|
+ { "none", SSH_CIPHER_NONE, 8, 0, 0, 0, 0, 0, EVP_enc_null },
|
|
+ { "3des-cbc", SSH_CIPHER_SSH2, 8, 24, 0, 0, 0, 1, EVP_des_ede3_cbc },
|
|
+ { "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 1, EVP_aes_128_cbc },
|
|
+ { "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 1, EVP_aes_192_cbc },
|
|
+ { "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },
|
|
+ { "rijndael-cbc@lysator.liu.se",
|
|
+ SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },
|
|
+ { "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 0, EVP_aes_128_ctr },
|
|
+ { "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 0, EVP_aes_192_ctr },
|
|
+ { "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 0, EVP_aes_256_ctr },
|
|
+ { NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }
|
|
+};
|
|
+
|
|
/*--*/
|
|
|
|
/* Returns a comma-separated list of supported ciphers. */
|
|
@@ -126,7 +142,7 @@ cipher_alg_list(char sep, int auth_only)
|
|
size_t nlen, rlen = 0;
|
|
const struct sshcipher *c;
|
|
|
|
- for (c = ciphers; c->name != NULL; c++) {
|
|
+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++) {
|
|
if (c->number != SSH_CIPHER_SSH2)
|
|
continue;
|
|
if (auth_only && c->auth_len == 0)
|
|
@@ -222,7 +238,7 @@ const struct sshcipher *
|
|
cipher_by_name(const char *name)
|
|
{
|
|
const struct sshcipher *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;
|
|
@@ -232,7 +248,7 @@ const struct sshcipher *
|
|
cipher_by_number(int id)
|
|
{
|
|
const struct sshcipher *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;
|
|
@@ -273,7 +289,7 @@ cipher_number(const char *name)
|
|
const struct sshcipher *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;
|
|
diff -up openssh-7.4p1/cipher-ctr.c.fips openssh-7.4p1/cipher-ctr.c
|
|
--- openssh-7.4p1/cipher-ctr.c.fips 2016-12-23 16:37:49.225741551 +0100
|
|
+++ openssh-7.4p1/cipher-ctr.c 2016-12-23 16:37:49.297741585 +0100
|
|
@@ -179,7 +179,8 @@ 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-7.4p1/dh.h.fips openssh-7.4p1/dh.h
|
|
--- openssh-7.4p1/dh.h.fips 2016-12-19 05:59:41.000000000 +0100
|
|
+++ openssh-7.4p1/dh.h 2016-12-23 16:37:49.297741585 +0100
|
|
@@ -51,6 +51,7 @@ u_int dh_estimate(int);
|
|
* Miniumum increased in light of DH precomputation attacks.
|
|
*/
|
|
#define DH_GRP_MIN 2048
|
|
+#define DH_GRP_MIN_FIPS 2048
|
|
#define DH_GRP_MAX 8192
|
|
|
|
/*
|
|
diff -up openssh-7.4p1/entropy.c.fips openssh-7.4p1/entropy.c
|
|
--- openssh-7.4p1/entropy.c.fips 2016-12-23 16:37:49.219741548 +0100
|
|
+++ openssh-7.4p1/entropy.c 2016-12-23 16:37:49.297741585 +0100
|
|
@@ -217,6 +217,9 @@ seed_rng(void)
|
|
fatal("OpenSSL version mismatch. Built against %lx, you "
|
|
"have %lx", (u_long)OPENSSL_VERSION_NUMBER, SSLeay());
|
|
|
|
+ /* clean the PRNG status when exiting the program */
|
|
+ atexit(RAND_cleanup);
|
|
+
|
|
#ifndef OPENSSL_PRNG_ONLY
|
|
if (RAND_status() == 1) {
|
|
debug3("RNG is ready, skipping seeding");
|
|
diff -up openssh-7.4p1/kex.c.fips openssh-7.4p1/kex.c
|
|
--- openssh-7.4p1/kex.c.fips 2016-12-23 16:37:49.290741582 +0100
|
|
+++ openssh-7.4p1/kex.c 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -35,6 +35,7 @@
|
|
#ifdef WITH_OPENSSL
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/dh.h>
|
|
+#include <openssl/fips.h>
|
|
#endif
|
|
|
|
#include "ssh2.h"
|
|
@@ -125,6 +126,26 @@ static const struct kexalg kexalgs[] = {
|
|
{ NULL, -1, -1, -1},
|
|
};
|
|
|
|
+static const struct kexalg kexalgs_fips[] = {
|
|
+ { KEX_DH14_SHA256, KEX_DH_GRP14_SHA256, 0, SSH_DIGEST_SHA256 },
|
|
+ { KEX_DH16_SHA512, KEX_DH_GRP16_SHA512, 0, SSH_DIGEST_SHA512 },
|
|
+ { KEX_DH18_SHA512, KEX_DH_GRP18_SHA512, 0, SSH_DIGEST_SHA512 },
|
|
+#ifdef HAVE_EVP_SHA256
|
|
+ { KEX_DHGEX_SHA256, KEX_DH_GEX_SHA256, 0, SSH_DIGEST_SHA256 },
|
|
+#endif
|
|
+#ifdef OPENSSL_HAS_ECC
|
|
+ { KEX_ECDH_SHA2_NISTP256, KEX_ECDH_SHA2,
|
|
+ NID_X9_62_prime256v1, SSH_DIGEST_SHA256 },
|
|
+ { KEX_ECDH_SHA2_NISTP384, KEX_ECDH_SHA2, NID_secp384r1,
|
|
+ SSH_DIGEST_SHA384 },
|
|
+# ifdef OPENSSL_HAS_NISTP521
|
|
+ { KEX_ECDH_SHA2_NISTP521, KEX_ECDH_SHA2, NID_secp521r1,
|
|
+ SSH_DIGEST_SHA512 },
|
|
+# endif
|
|
+#endif
|
|
+ { NULL, -1, -1, -1},
|
|
+};
|
|
+
|
|
char *
|
|
kex_alg_list(char sep)
|
|
{
|
|
@@ -152,7 +170,7 @@ kex_alg_by_name(const char *name)
|
|
{
|
|
const struct kexalg *k;
|
|
|
|
- for (k = kexalgs; k->name != NULL; k++) {
|
|
+ for (k = (FIPS_mode() ? kexalgs_fips : kexalgs); k->name != NULL; k++) {
|
|
if (strcmp(k->name, name) == 0)
|
|
return k;
|
|
#ifdef GSSAPI
|
|
@@ -178,7 +196,10 @@ kex_names_valid(const char *names)
|
|
for ((p = strsep(&cp, ",")); p && *p != '\0';
|
|
(p = strsep(&cp, ","))) {
|
|
if (kex_alg_by_name(p) == NULL) {
|
|
- error("Unsupported KEX algorithm \"%.100s\"", p);
|
|
+ if (FIPS_mode())
|
|
+ error("\"%.100s\" is not allowed in FIPS mode", p);
|
|
+ else
|
|
+ error("Unsupported KEX algorithm \"%.100s\"", p);
|
|
free(s);
|
|
return 0;
|
|
}
|
|
diff -up openssh-7.4p1/kexgexc.c.fips openssh-7.4p1/kexgexc.c
|
|
--- openssh-7.4p1/kexgexc.c.fips 2016-12-19 05:59:41.000000000 +0100
|
|
+++ openssh-7.4p1/kexgexc.c 2016-12-23 16:38:38.727763540 +0100
|
|
@@ -28,6 +28,7 @@
|
|
|
|
#ifdef WITH_OPENSSL
|
|
|
|
+#include <openssl/fips.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <openssl/dh.h>
|
|
@@ -63,7 +64,7 @@ kexgex_client(struct ssh *ssh)
|
|
|
|
nbits = dh_estimate(kex->dh_need * 8);
|
|
|
|
- kex->min = DH_GRP_MIN;
|
|
+ kex->min = FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN;
|
|
kex->max = DH_GRP_MAX;
|
|
kex->nbits = nbits;
|
|
if (datafellows & SSH_BUG_DHGEX_LARGE)
|
|
diff -up openssh-7.4p1/kexgexs.c.fips openssh-7.4p1/kexgexs.c
|
|
--- openssh-7.4p1/kexgexs.c.fips 2016-12-23 16:37:49.297741585 +0100
|
|
+++ openssh-7.4p1/kexgexs.c 2016-12-23 16:39:35.009776626 +0100
|
|
@@ -83,9 +83,9 @@ input_kex_dh_gex_request(int type, u_int
|
|
kex->nbits = nbits;
|
|
kex->min = min;
|
|
kex->max = max;
|
|
- min = MAXIMUM(DH_GRP_MIN, min);
|
|
+ min = MAXIMUM(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, min);
|
|
max = MINIMUM(DH_GRP_MAX, max);
|
|
- nbits = MAXIMUM(DH_GRP_MIN, nbits);
|
|
+ nbits = MAXIMUM(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, nbits);
|
|
nbits = MINIMUM(DH_GRP_MAX, nbits);
|
|
|
|
if (kex->max < kex->min || kex->nbits < kex->min ||
|
|
diff -up openssh-7.4p1/mac.c.fips openssh-7.4p1/mac.c
|
|
--- openssh-7.4p1/mac.c.fips 2016-12-23 16:37:49.291741582 +0100
|
|
+++ openssh-7.4p1/mac.c 2016-12-23 16:37:49.298741585 +0100
|
|
@@ -27,6 +27,8 @@
|
|
|
|
#include <sys/types.h>
|
|
|
|
+#include <openssl/fips.h>
|
|
+
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
@@ -54,7 +56,7 @@ struct macalg {
|
|
int etm; /* Encrypt-then-MAC */
|
|
};
|
|
|
|
-static const struct macalg macs[] = {
|
|
+static const struct macalg all_macs[] = {
|
|
/* Encrypt-and-MAC (encrypt-and-authenticate) variants */
|
|
{ "hmac-sha1", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },
|
|
{ "hmac-sha1-96", SSH_DIGEST, SSH_DIGEST_SHA1, 96, 0, 0, 0 },
|
|
@@ -89,6 +91,24 @@ static const struct macalg macs[] = {
|
|
{ NULL, 0, 0, 0, 0, 0, 0 }
|
|
};
|
|
|
|
+static const struct macalg fips_macs[] = {
|
|
+ /* Encrypt-and-MAC (encrypt-and-authenticate) variants */
|
|
+ { "hmac-sha1", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },
|
|
+#ifdef HAVE_EVP_SHA256
|
|
+ { "hmac-sha2-256", SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 0 },
|
|
+ { "hmac-sha2-512", SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 0 },
|
|
+#endif
|
|
+
|
|
+ /* Encrypt-then-MAC variants */
|
|
+ { "hmac-sha1-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 1 },
|
|
+#ifdef HAVE_EVP_SHA256
|
|
+ { "hmac-sha2-256-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 1 },
|
|
+ { "hmac-sha2-512-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 1 },
|
|
+#endif
|
|
+
|
|
+ { NULL, 0, 0, 0, 0, 0, 0 }
|
|
+};
|
|
+
|
|
/* Returns a list of supported MACs separated by the specified char. */
|
|
char *
|
|
mac_alg_list(char sep)
|
|
@@ -97,7 +117,7 @@ mac_alg_list(char sep)
|
|
size_t nlen, rlen = 0;
|
|
const struct macalg *m;
|
|
|
|
- for (m = macs; m->name != NULL; m++) {
|
|
+ for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {
|
|
if (ret != NULL)
|
|
ret[rlen++] = sep;
|
|
nlen = strlen(m->name);
|
|
@@ -136,7 +156,7 @@ mac_setup(struct sshmac *mac, char *name
|
|
{
|
|
const struct macalg *m;
|
|
|
|
- for (m = macs; m->name != NULL; m++) {
|
|
+ for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {
|
|
if (strcmp(name, m->name) != 0)
|
|
continue;
|
|
if (mac != NULL)
|
|
diff -up openssh-7.4p1/Makefile.in.fips openssh-7.4p1/Makefile.in
|
|
--- openssh-7.4p1/Makefile.in.fips 2016-12-23 16:37:49.291741582 +0100
|
|
+++ openssh-7.4p1/Makefile.in 2016-12-23 16:37:49.298741585 +0100
|
|
@@ -169,25 +169,25 @@ libssh.a: $(LIBSSH_OBJS)
|
|
$(RANLIB) $@
|
|
|
|
ssh$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHOBJS)
|
|
- $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHLIBS) $(LIBS) $(GSSLIBS)
|
|
+ $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHLIBS) $(LIBS) $(GSSLIBS)
|
|
|
|
sshd$(EXEEXT): libssh.a $(LIBCOMPAT) $(SSHDOBJS)
|
|
- $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)
|
|
+ $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)
|
|
|
|
scp$(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 ssh-pkcs11-client.o
|
|
- $(LD) -o $@ ssh-agent.o ssh-pkcs11-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
|
|
+ $(LD) -o $@ ssh-agent.o ssh-pkcs11-client.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 readconf.o
|
|
- $(LD) -o $@ ssh-keysign.o readconf.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
|
|
+ $(LD) -o $@ ssh-keysign.o readconf.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
|
|
|
|
ssh-pkcs11-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-pkcs11-helper.o ssh-pkcs11.o
|
|
$(LD) -o $@ ssh-pkcs11-helper.o ssh-pkcs11.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
|
|
@@ -205,7 +205,7 @@ ssh-cavs$(EXEEXT): $(LIBCOMPAT) libssh.a
|
|
$(LD) -o $@ ssh-cavs.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
|
|
|
|
ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o
|
|
- $(LD) -o $@ ssh-keyscan.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
|
|
+ $(LD) -o $@ ssh-keyscan.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-7.4p1/myproposal.h.fips openssh-7.4p1/myproposal.h
|
|
--- openssh-7.4p1/myproposal.h.fips 2016-12-19 05:59:41.000000000 +0100
|
|
+++ openssh-7.4p1/myproposal.h 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -138,6 +138,27 @@
|
|
|
|
#define KEX_CLIENT_MAC KEX_SERVER_MAC
|
|
|
|
+#define KEX_DEFAULT_KEX_FIPS \
|
|
+ KEX_ECDH_METHODS \
|
|
+ KEX_SHA2_METHODS \
|
|
+ KEX_SHA2_GROUP14
|
|
+#define KEX_FIPS_ENCRYPT \
|
|
+ "aes128-ctr,aes192-ctr,aes256-ctr," \
|
|
+ "aes128-cbc,3des-cbc," \
|
|
+ "aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se"
|
|
+#ifdef HAVE_EVP_SHA256
|
|
+#define KEX_FIPS_MAC \
|
|
+ "hmac-sha1," \
|
|
+ "hmac-sha2-256," \
|
|
+ "hmac-sha2-512," \
|
|
+ "hmac-sha1-etm@openssh.com," \
|
|
+ "hmac-sha2-256-etm@openssh.com," \
|
|
+ "hmac-sha2-512-etm@openssh.com"
|
|
+#else
|
|
+#define KEX_FIPS_MAC \
|
|
+ "hmac-sha1"
|
|
+#endif
|
|
+
|
|
#else /* WITH_OPENSSL */
|
|
|
|
#define KEX_SERVER_KEX \
|
|
diff -up openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c.fips openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c
|
|
--- openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c.fips 2016-12-23 16:37:49.185741531 +0100
|
|
+++ openssh-7.4p1/pam_ssh_agent_auth-0.10.3/pam_user_key_allowed2.c 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -55,6 +55,7 @@
|
|
#include "secure_filename.h"
|
|
#include "uidswap.h"
|
|
#include <unistd.h>
|
|
+#include <openssl/crypto.h>
|
|
|
|
#include "identity.h"
|
|
|
|
@@ -104,7 +105,8 @@ pamsshagentauth_check_authkeys_file(FILE
|
|
found_key = 1;
|
|
logit("matching key found: file/command %s, line %lu", file,
|
|
linenum);
|
|
- fp = sshkey_fingerprint(found, SSH_DIGEST_MD5, SSH_FP_HEX);
|
|
+ fp = sshkey_fingerprint(found, FIPS_mode() ? SSH_DIGEST_SHA1 : SSH_DIGEST_MD5,
|
|
+ SSH_FP_HEX);
|
|
logit("Found matching %s key: %s",
|
|
key_type(found), fp);
|
|
free(fp);
|
|
diff -up openssh-7.4p1/readconf.c.fips openssh-7.4p1/readconf.c
|
|
--- openssh-7.4p1/readconf.c.fips 2016-12-23 16:37:49.274741574 +0100
|
|
+++ openssh-7.4p1/readconf.c 2016-12-23 16:37:49.298741585 +0100
|
|
@@ -2110,9 +2110,12 @@ fill_default_options(Options * options)
|
|
}
|
|
if (options->update_hostkeys == -1)
|
|
options->update_hostkeys = 0;
|
|
- if (kex_assemble_names(KEX_CLIENT_ENCRYPT, &options->ciphers) != 0 ||
|
|
- kex_assemble_names(KEX_CLIENT_MAC, &options->macs) != 0 ||
|
|
- kex_assemble_names(KEX_CLIENT_KEX, &options->kex_algorithms) != 0 ||
|
|
+ if (kex_assemble_names((FIPS_mode() ? KEX_FIPS_ENCRYPT
|
|
+ : KEX_CLIENT_ENCRYPT), &options->ciphers) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_FIPS_MAC
|
|
+ : KEX_CLIENT_MAC), &options->macs) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_DEFAULT_KEX_FIPS
|
|
+ : KEX_CLIENT_KEX), &options->kex_algorithms) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
&options->hostbased_key_types) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
diff -up openssh-7.4p1/sandbox-seccomp-filter.c.fips openssh-7.4p1/sandbox-seccomp-filter.c
|
|
--- openssh-7.4p1/sandbox-seccomp-filter.c.fips 2016-12-23 16:37:49.292741583 +0100
|
|
+++ openssh-7.4p1/sandbox-seccomp-filter.c 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -118,6 +118,9 @@ static const struct sock_filter preauth_
|
|
#ifdef __NR_open
|
|
SC_DENY(__NR_open, EACCES),
|
|
#endif
|
|
+#ifdef __NR_socket
|
|
+ SC_DENY(__NR_socket, EACCES),
|
|
+#endif
|
|
#ifdef __NR_openat
|
|
SC_DENY(__NR_openat, EACCES),
|
|
#endif
|
|
diff -up openssh-7.4p1/servconf.c.fips openssh-7.4p1/servconf.c
|
|
--- openssh-7.4p1/servconf.c.fips 2016-12-23 16:37:49.285741579 +0100
|
|
+++ openssh-7.4p1/servconf.c 2016-12-23 16:37:49.299741586 +0100
|
|
@@ -185,9 +185,12 @@ option_clear_or_none(const char *o)
|
|
static void
|
|
assemble_algorithms(ServerOptions *o)
|
|
{
|
|
- if (kex_assemble_names(KEX_SERVER_ENCRYPT, &o->ciphers) != 0 ||
|
|
- kex_assemble_names(KEX_SERVER_MAC, &o->macs) != 0 ||
|
|
- kex_assemble_names(KEX_SERVER_KEX, &o->kex_algorithms) != 0 ||
|
|
+ if (kex_assemble_names((FIPS_mode() ? KEX_FIPS_ENCRYPT
|
|
+ : KEX_SERVER_ENCRYPT), &o->ciphers) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_FIPS_MAC
|
|
+ : KEX_SERVER_MAC), &o->macs) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_DEFAULT_KEX_FIPS
|
|
+ : KEX_SERVER_KEX), &o->kex_algorithms) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
&o->hostkeyalgorithms) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
@@ -2390,8 +2393,10 @@ dump_config(ServerOptions *o)
|
|
/* string arguments */
|
|
dump_cfg_string(sPidFile, o->pid_file);
|
|
dump_cfg_string(sXAuthLocation, o->xauth_location);
|
|
- dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : KEX_SERVER_ENCRYPT);
|
|
- dump_cfg_string(sMacs, o->macs ? o->macs : KEX_SERVER_MAC);
|
|
+ dump_cfg_string(sCiphers, o->ciphers ? o->ciphers : FIPS_mode()
|
|
+ ? KEX_FIPS_ENCRYPT : KEX_SERVER_ENCRYPT);
|
|
+ dump_cfg_string(sMacs, o->macs ? o->macs : FIPS_mode()
|
|
+ ? KEX_FIPS_MAC : KEX_SERVER_MAC);
|
|
dump_cfg_string(sBanner, o->banner != NULL ? o->banner : "none");
|
|
dump_cfg_string(sForceCommand, o->adm_forced_command);
|
|
dump_cfg_string(sChrootDirectory, o->chroot_directory);
|
|
@@ -2406,8 +2411,8 @@ dump_config(ServerOptions *o)
|
|
dump_cfg_string(sAuthorizedPrincipalsCommand, o->authorized_principals_command);
|
|
dump_cfg_string(sAuthorizedPrincipalsCommandUser, o->authorized_principals_command_user);
|
|
dump_cfg_string(sHostKeyAgent, o->host_key_agent);
|
|
- dump_cfg_string(sKexAlgorithms,
|
|
- o->kex_algorithms ? o->kex_algorithms : KEX_SERVER_KEX);
|
|
+ dump_cfg_string(sKexAlgorithms, o->kex_algorithms ? o->kex_algorithms :
|
|
+ FIPS_mode() ? KEX_DEFAULT_KEX_FIPS : KEX_SERVER_KEX);
|
|
dump_cfg_string(sHostbasedAcceptedKeyTypes, o->hostbased_key_types ?
|
|
o->hostbased_key_types : KEX_DEFAULT_PK_ALG);
|
|
dump_cfg_string(sHostKeyAlgorithms, o->hostkeyalgorithms ?
|
|
diff -up openssh-7.4p1/ssh.c.fips openssh-7.4p1/ssh.c
|
|
--- openssh-7.4p1/ssh.c.fips 2016-12-19 05:59:41.000000000 +0100
|
|
+++ openssh-7.4p1/ssh.c 2016-12-23 16:37:49.299741586 +0100
|
|
@@ -76,6 +76,8 @@
|
|
#include <openssl/evp.h>
|
|
#include <openssl/err.h>
|
|
#endif
|
|
+#include <openssl/fips.h>
|
|
+#include <fipscheck.h>
|
|
#include "openbsd-compat/openssl-compat.h"
|
|
#include "openbsd-compat/sys-queue.h"
|
|
|
|
@@ -530,6 +532,14 @@ main(int ac, char **av)
|
|
sanitise_stdfd();
|
|
|
|
__progname = ssh_get_progname(av[0]);
|
|
+ SSLeay_add_all_algorithms();
|
|
+ if (access("/etc/system-fips", F_OK) == 0)
|
|
+ if (! FIPSCHECK_verify(NULL, NULL)){
|
|
+ if (FIPS_mode())
|
|
+ fatal("FIPS integrity verification test failed.");
|
|
+ else
|
|
+ logit("FIPS integrity verification test failed.");
|
|
+ }
|
|
|
|
#ifndef HAVE_SETPROCTITLE
|
|
/* Prepare for later setproctitle emulation */
|
|
@@ -609,6 +619,9 @@ main(int ac, char **av)
|
|
"ACD:E:F:GI:J:KL:MNO:PQ:R:S:TVw:W: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':
|
|
@@ -964,7 +977,6 @@ main(int ac, char **av)
|
|
host_arg = xstrdup(host);
|
|
|
|
#ifdef WITH_OPENSSL
|
|
- OpenSSL_add_all_algorithms();
|
|
ERR_load_crypto_strings();
|
|
#endif
|
|
|
|
@@ -1175,6 +1187,10 @@ main(int ac, char **av)
|
|
|
|
seed_rng();
|
|
|
|
+ if (FIPS_mode()) {
|
|
+ logit("FIPS mode initialized");
|
|
+ }
|
|
+
|
|
if (options.user == NULL)
|
|
options.user = xstrdup(pw->pw_name);
|
|
|
|
@@ -1263,6 +1279,12 @@ 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, addrs, &hostaddr, options.port,
|
|
options.address_family, options.connection_attempts,
|
|
diff -up openssh-7.4p1/sshconnect2.c.fips openssh-7.4p1/sshconnect2.c
|
|
--- openssh-7.4p1/sshconnect2.c.fips 2016-12-23 16:37:49.275741574 +0100
|
|
+++ openssh-7.4p1/sshconnect2.c 2016-12-23 16:37:49.299741586 +0100
|
|
@@ -44,6 +44,8 @@
|
|
#include <vis.h>
|
|
#endif
|
|
|
|
+#include <openssl/fips.h>
|
|
+
|
|
#include "openbsd-compat/sys-queue.h"
|
|
|
|
#include "xmalloc.h"
|
|
@@ -172,21 +174,26 @@ ssh_kex2(char *host, struct sockaddr *ho
|
|
|
|
#ifdef GSSAPI
|
|
if (options.gss_keyex) {
|
|
- /* Add the GSSAPI mechanisms currently supported on this
|
|
- * client to the key exchange algorithm proposal */
|
|
- orig = options.kex_algorithms;
|
|
-
|
|
- if (options.gss_trust_dns)
|
|
- gss_host = (char *)get_canonical_hostname(active_state, 1);
|
|
- else
|
|
- gss_host = host;
|
|
-
|
|
- gss = ssh_gssapi_client_mechanisms(gss_host,
|
|
- options.gss_client_identity, options.gss_kex_algorithms);
|
|
- if (gss) {
|
|
- debug("Offering GSSAPI proposal: %s", gss);
|
|
- xasprintf(&options.kex_algorithms,
|
|
- "%s,%s", gss, orig);
|
|
+ if (FIPS_mode()) {
|
|
+ logit("Disabling GSSAPIKeyExchange. Not usable in FIPS mode");
|
|
+ options.gss_keyex = 0;
|
|
+ } else {
|
|
+ /* Add the GSSAPI mechanisms currently supported on this
|
|
+ * client to the key exchange algorithm proposal */
|
|
+ orig = options.kex_algorithms;
|
|
+
|
|
+ if (options.gss_trust_dns)
|
|
+ gss_host = (char *)get_canonical_hostname(active_state, 1);
|
|
+ else
|
|
+ gss_host = host;
|
|
+
|
|
+ gss = ssh_gssapi_client_mechanisms(gss_host,
|
|
+ options.gss_client_identity, options.gss_kex_algorithms);
|
|
+ if (gss) {
|
|
+ debug("Offering GSSAPI proposal: %s", gss);
|
|
+ xasprintf(&options.kex_algorithms,
|
|
+ "%s,%s", gss, orig);
|
|
+ }
|
|
}
|
|
}
|
|
#endif
|
|
diff -up openssh-7.4p1/sshd.c.fips openssh-7.4p1/sshd.c
|
|
--- openssh-7.4p1/sshd.c.fips 2016-12-23 16:37:49.293741583 +0100
|
|
+++ openssh-7.4p1/sshd.c 2016-12-23 16:37:49.299741586 +0100
|
|
@@ -66,6 +66,7 @@
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <signal.h>
|
|
+#include <syslog.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
@@ -77,6 +78,8 @@
|
|
#include <openssl/dh.h>
|
|
#include <openssl/bn.h>
|
|
#include <openssl/rand.h>
|
|
+#include <openssl/fips.h>
|
|
+#include <fipscheck.h>
|
|
#include "openbsd-compat/openssl-compat.h"
|
|
#endif
|
|
|
|
@@ -1475,6 +1478,18 @@ main(int ac, char **av)
|
|
#endif
|
|
__progname = ssh_get_progname(av[0]);
|
|
|
|
+ SSLeay_add_all_algorithms();
|
|
+ if (access("/etc/system-fips", F_OK) == 0)
|
|
+ if (! FIPSCHECK_verify(NULL, NULL)) {
|
|
+ openlog(__progname, LOG_PID, LOG_AUTHPRIV);
|
|
+ if (FIPS_mode()) {
|
|
+ syslog(LOG_CRIT, "FIPS integrity verification test failed.");
|
|
+ cleanup_exit(255);
|
|
+ }
|
|
+ else
|
|
+ syslog(LOG_INFO, "FIPS integrity verification test failed.");
|
|
+ closelog();
|
|
+ }
|
|
/* Save argv. Duplicate so setproctitle emulation doesn't clobber it */
|
|
saved_argc = ac;
|
|
rexec_argc = ac;
|
|
@@ -1623,7 +1638,7 @@ main(int ac, char **av)
|
|
else
|
|
closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);
|
|
|
|
-#ifdef WITH_OPENSSL
|
|
+#if 0 /* FIPS */
|
|
OpenSSL_add_all_algorithms();
|
|
#endif
|
|
|
|
@@ -1937,6 +1952,10 @@ main(int ac, char **av)
|
|
/* Reinitialize the log (because of the fork above). */
|
|
log_init(__progname, options.log_level, options.log_facility, log_stderr);
|
|
|
|
+ if (FIPS_mode()) {
|
|
+ logit("FIPS mode initialized");
|
|
+ }
|
|
+
|
|
/* Chdir to the root directory so that the current disk can be
|
|
unmounted if desired. */
|
|
if (chdir("/") == -1)
|
|
@@ -2309,10 +2328,14 @@ do_ssh2_kex(void)
|
|
if (strlen(myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS]) == 0)
|
|
orig = NULL;
|
|
|
|
- if (options.gss_keyex)
|
|
- gss = ssh_gssapi_server_mechanisms();
|
|
- else
|
|
- gss = NULL;
|
|
+ if (options.gss_keyex) {
|
|
+ if (FIPS_mode()) {
|
|
+ logit("Disabling GSSAPIKeyExchange. Not usable in FIPS mode");
|
|
+ options.gss_keyex = 0;
|
|
+ } else {
|
|
+ gss = ssh_gssapi_server_mechanisms();
|
|
+ }
|
|
+ }
|
|
|
|
if (gss && orig)
|
|
xasprintf(&newstr, "%s,%s", gss, orig);
|
|
diff -up openssh-7.4p1/sshkey.c.fips openssh-7.4p1/sshkey.c
|
|
--- openssh-7.4p1/sshkey.c.fips 2016-12-23 16:37:49.293741583 +0100
|
|
+++ openssh-7.4p1/sshkey.c 2016-12-23 16:37:49.300741586 +0100
|
|
@@ -34,6 +34,7 @@
|
|
#include <openssl/evp.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/pem.h>
|
|
+#include <openssl/fips.h>
|
|
#endif
|
|
|
|
#include "crypto_api.h"
|
|
@@ -56,6 +57,7 @@
|
|
#include "digest.h"
|
|
#define SSHKEY_INTERNAL
|
|
#include "sshkey.h"
|
|
+#include "log.h"
|
|
#include "match.h"
|
|
#include "xmalloc.h"
|
|
|
|
@@ -1580,6 +1582,8 @@ rsa_generate_private_key(u_int bits, RSA
|
|
}
|
|
if (!BN_set_word(f4, RSA_F4) ||
|
|
!RSA_generate_key_ex(private, bits, f4, NULL)) {
|
|
+ if (FIPS_mode())
|
|
+ logit("%s: the key length might be unsupported by FIPS mode approved key generation method", __func__);
|
|
ret = SSH_ERR_LIBCRYPTO_ERROR;
|
|
goto out;
|
|
}
|