643 lines
23 KiB
Diff
643 lines
23 KiB
Diff
diff -up openssh-7.0p1/cipher.c.fips openssh-7.0p1/cipher.c
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--- openssh-7.0p1/cipher.c.fips 2015-08-19 12:36:51.144412908 +0200
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+++ openssh-7.0p1/cipher.c 2015-08-19 12:36:51.150412894 +0200
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@@ -39,6 +39,8 @@
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#include <sys/types.h>
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+#include <openssl/fips.h>
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+
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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@@ -99,6 +101,26 @@ static const struct sshcipher ciphers[]
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{ NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }
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};
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+static const struct sshcipher fips_ciphers[] = {
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+ { "none", SSH_CIPHER_NONE, 8, 0, 0, 0, 0, 0, EVP_enc_null },
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+ { "3des-cbc", SSH_CIPHER_SSH2, 8, 24, 0, 0, 0, 1, EVP_des_ede3_cbc },
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+ { "aes128-cbc", SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 1, EVP_aes_128_cbc },
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+ { "aes192-cbc", SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 1, EVP_aes_192_cbc },
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+ { "aes256-cbc", SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },
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+ { "rijndael-cbc@lysator.liu.se",
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+ SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 1, EVP_aes_256_cbc },
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+ { "aes128-ctr", SSH_CIPHER_SSH2, 16, 16, 0, 0, 0, 0, EVP_aes_128_ctr },
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+ { "aes192-ctr", SSH_CIPHER_SSH2, 16, 24, 0, 0, 0, 0, EVP_aes_192_ctr },
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+ { "aes256-ctr", SSH_CIPHER_SSH2, 16, 32, 0, 0, 0, 0, EVP_aes_256_ctr },
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+#ifdef OPENSSL_HAVE_EVPGCM
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+ { "aes128-gcm@openssh.com",
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+ SSH_CIPHER_SSH2, 16, 16, 12, 16, 0, 0, EVP_aes_128_gcm },
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+ { "aes256-gcm@openssh.com",
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+ SSH_CIPHER_SSH2, 16, 32, 12, 16, 0, 0, EVP_aes_256_gcm },
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+#endif
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+ { NULL, SSH_CIPHER_INVALID, 0, 0, 0, 0, 0, 0, NULL }
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+};
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+
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/*--*/
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/* Returns a comma-separated list of supported ciphers. */
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@@ -109,7 +131,7 @@ cipher_alg_list(char sep, int auth_only)
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size_t nlen, rlen = 0;
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const struct sshcipher *c;
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- for (c = ciphers; c->name != NULL; c++) {
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+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++) {
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if (c->number != SSH_CIPHER_SSH2)
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continue;
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if (auth_only && c->auth_len == 0)
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@@ -193,7 +215,7 @@ const struct sshcipher *
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cipher_by_name(const char *name)
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{
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const struct sshcipher *c;
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- for (c = ciphers; c->name != NULL; c++)
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+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
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if (strcmp(c->name, name) == 0)
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return c;
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return NULL;
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@@ -203,7 +225,7 @@ const struct sshcipher *
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cipher_by_number(int id)
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{
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const struct sshcipher *c;
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- for (c = ciphers; c->name != NULL; c++)
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+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
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if (c->number == id)
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return c;
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return NULL;
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@@ -244,7 +266,7 @@ cipher_number(const char *name)
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const struct sshcipher *c;
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if (name == NULL)
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return -1;
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- for (c = ciphers; c->name != NULL; c++)
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+ for (c = FIPS_mode() ? fips_ciphers : ciphers; c->name != NULL; c++)
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if (strcasecmp(c->name, name) == 0)
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return c->number;
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return -1;
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diff -up openssh-7.0p1/cipher-ctr.c.fips openssh-7.0p1/cipher-ctr.c
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--- openssh-7.0p1/cipher-ctr.c.fips 2015-08-19 12:36:51.079413054 +0200
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+++ openssh-7.0p1/cipher-ctr.c 2015-08-19 12:36:51.150412894 +0200
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@@ -179,7 +179,8 @@ evp_aes_128_ctr(void)
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aes_ctr.do_cipher = ssh_aes_ctr;
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#ifndef SSH_OLD_EVP
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aes_ctr.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH |
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- EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV;
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+ EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CUSTOM_IV |
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+ EVP_CIPH_FLAG_FIPS;
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#endif
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return (&aes_ctr);
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}
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diff -up openssh-7.0p1/dh.h.fips openssh-7.0p1/dh.h
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--- openssh-7.0p1/dh.h.fips 2015-08-11 10:57:29.000000000 +0200
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+++ openssh-7.0p1/dh.h 2015-08-19 12:36:51.150412894 +0200
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@@ -46,6 +46,7 @@ u_int dh_estimate(int);
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/* Min and max values from RFC4419. */
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#define DH_GRP_MIN 1024
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+#define DH_GRP_MIN_FIPS 2048
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#define DH_GRP_MAX 8192
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/*
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diff -up openssh-7.0p1/entropy.c.fips openssh-7.0p1/entropy.c
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--- openssh-7.0p1/entropy.c.fips 2015-08-19 12:36:51.070413074 +0200
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+++ openssh-7.0p1/entropy.c 2015-08-19 12:36:51.150412894 +0200
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@@ -217,6 +217,9 @@ seed_rng(void)
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fatal("OpenSSL version mismatch. Built against %lx, you "
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"have %lx", (u_long)OPENSSL_VERSION_NUMBER, SSLeay());
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+ /* clean the PRNG status when exiting the program */
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+ atexit(RAND_cleanup);
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+
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#ifndef OPENSSL_PRNG_ONLY
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if (RAND_status() == 1) {
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debug3("RNG is ready, skipping seeding");
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diff -up openssh-7.0p1/kex.c.fips openssh-7.0p1/kex.c
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--- openssh-7.0p1/kex.c.fips 2015-08-19 12:36:51.145412905 +0200
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+++ openssh-7.0p1/kex.c 2015-08-19 12:36:51.151412892 +0200
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@@ -35,6 +35,7 @@
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#ifdef WITH_OPENSSL
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#include <openssl/crypto.h>
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+#include <openssl/fips.h>
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#endif
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#include "ssh2.h"
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@@ -108,6 +109,25 @@ static const struct kexalg kexalgs[] = {
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{ NULL, -1, -1, -1},
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};
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+static const struct kexalg kexalgs_fips[] = {
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+ { KEX_DH14, KEX_DH_GRP14_SHA1, 0, SSH_DIGEST_SHA1 },
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+ { KEX_DHGEX_SHA1, KEX_DH_GEX_SHA1, 0, SSH_DIGEST_SHA1 },
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+#ifdef HAVE_EVP_SHA256
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+ { KEX_DHGEX_SHA256, KEX_DH_GEX_SHA256, 0, SSH_DIGEST_SHA256 },
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+#endif
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+#ifdef OPENSSL_HAS_ECC
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+ { KEX_ECDH_SHA2_NISTP256, KEX_ECDH_SHA2,
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+ NID_X9_62_prime256v1, SSH_DIGEST_SHA256 },
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+ { KEX_ECDH_SHA2_NISTP384, KEX_ECDH_SHA2, NID_secp384r1,
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+ SSH_DIGEST_SHA384 },
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+# ifdef OPENSSL_HAS_NISTP521
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+ { KEX_ECDH_SHA2_NISTP521, KEX_ECDH_SHA2, NID_secp521r1,
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+ SSH_DIGEST_SHA512 },
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+# endif
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+#endif
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+ { NULL, -1, -1, -1},
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+};
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+
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char *
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kex_alg_list(char sep)
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{
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@@ -135,7 +155,7 @@ kex_alg_by_name(const char *name)
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{
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const struct kexalg *k;
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- for (k = kexalgs; k->name != NULL; k++) {
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+ for (k = (FIPS_mode() ? kexalgs_fips : kexalgs); k->name != NULL; k++) {
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if (strcmp(k->name, name) == 0)
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return k;
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#ifdef GSSAPI
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@@ -161,7 +181,10 @@ kex_names_valid(const char *names)
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for ((p = strsep(&cp, ",")); p && *p != '\0';
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(p = strsep(&cp, ","))) {
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if (kex_alg_by_name(p) == NULL) {
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- error("Unsupported KEX algorithm \"%.100s\"", p);
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+ if (FIPS_mode())
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+ error("\"%.100s\" is not allowed in FIPS mode", p);
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+ else
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+ error("Unsupported KEX algorithm \"%.100s\"", p);
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free(s);
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return 0;
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}
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diff -up openssh-7.0p1/kexgexc.c.fips openssh-7.0p1/kexgexc.c
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--- openssh-7.0p1/kexgexc.c.fips 2015-08-11 10:57:29.000000000 +0200
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+++ openssh-7.0p1/kexgexc.c 2015-08-19 12:36:51.151412892 +0200
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@@ -28,6 +28,7 @@
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#ifdef WITH_OPENSSL
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+#include <openssl/fips.h>
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#include <sys/param.h>
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#include <sys/types.h>
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@@ -63,7 +64,7 @@ kexgex_client(struct ssh *ssh)
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nbits = dh_estimate(kex->dh_need * 8);
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- kex->min = DH_GRP_MIN;
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+ kex->min = FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN;
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kex->max = DH_GRP_MAX;
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kex->nbits = nbits;
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if (datafellows & SSH_BUG_DHGEX_LARGE)
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diff -up openssh-7.0p1/kexgexs.c.fips openssh-7.0p1/kexgexs.c
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--- openssh-7.0p1/kexgexs.c.fips 2015-08-11 10:57:29.000000000 +0200
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+++ openssh-7.0p1/kexgexs.c 2015-08-19 12:36:51.151412892 +0200
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@@ -81,11 +81,11 @@ input_kex_dh_gex_request(int type, u_int
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(r = sshpkt_get_end(ssh)) != 0)
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goto out;
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kex->nbits = nbits;
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- kex->min = min;
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+ kex->min = min = FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN;
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kex->max = max;
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- min = MAX(DH_GRP_MIN, min);
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+ min = MAX(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, min);
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max = MIN(DH_GRP_MAX, max);
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- nbits = MAX(DH_GRP_MIN, nbits);
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+ nbits = MAX(FIPS_mode() ? DH_GRP_MIN_FIPS : DH_GRP_MIN, nbits);
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nbits = MIN(DH_GRP_MAX, nbits);
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if (kex->max < kex->min || kex->nbits < kex->min ||
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diff -up openssh-7.0p1/mac.c.fips openssh-7.0p1/mac.c
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--- openssh-7.0p1/mac.c.fips 2015-08-19 12:36:51.145412905 +0200
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+++ openssh-7.0p1/mac.c 2015-08-19 12:36:51.151412892 +0200
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@@ -27,6 +27,8 @@
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#include <sys/types.h>
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+#include <openssl/fips.h>
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+
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#include <string.h>
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#include <stdio.h>
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@@ -54,7 +56,7 @@ struct macalg {
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int etm; /* Encrypt-then-MAC */
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};
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-static const struct macalg macs[] = {
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+static const struct macalg all_macs[] = {
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/* Encrypt-and-MAC (encrypt-and-authenticate) variants */
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{ "hmac-sha1", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },
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{ "hmac-sha1-96", SSH_DIGEST, SSH_DIGEST_SHA1, 96, 0, 0, 0 },
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@@ -85,6 +87,24 @@ static const struct macalg macs[] = {
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{ NULL, 0, 0, 0, 0, 0, 0 }
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};
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+static const struct macalg fips_macs[] = {
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+ /* Encrypt-and-MAC (encrypt-and-authenticate) variants */
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+ { "hmac-sha1", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 0 },
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+#ifdef HAVE_EVP_SHA256
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+ { "hmac-sha2-256", SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 0 },
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+ { "hmac-sha2-512", SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 0 },
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+#endif
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+
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+ /* Encrypt-then-MAC variants */
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+ { "hmac-sha1-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA1, 0, 0, 0, 1 },
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+#ifdef HAVE_EVP_SHA256
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+ { "hmac-sha2-256-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA256, 0, 0, 0, 1 },
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+ { "hmac-sha2-512-etm@openssh.com", SSH_DIGEST, SSH_DIGEST_SHA512, 0, 0, 0, 1 },
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+#endif
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+
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+ { NULL, 0, 0, 0, 0, 0, 0 }
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+};
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+
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/* Returns a list of supported MACs separated by the specified char. */
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char *
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mac_alg_list(char sep)
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@@ -93,7 +113,7 @@ mac_alg_list(char sep)
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size_t nlen, rlen = 0;
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const struct macalg *m;
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- for (m = macs; m->name != NULL; m++) {
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+ for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {
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if (ret != NULL)
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ret[rlen++] = sep;
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nlen = strlen(m->name);
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@@ -132,7 +152,7 @@ mac_setup(struct sshmac *mac, char *name
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{
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const struct macalg *m;
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- for (m = macs; m->name != NULL; m++) {
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+ for (m = FIPS_mode() ? fips_macs : all_macs; m->name != NULL; m++) {
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if (strcmp(name, m->name) != 0)
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continue;
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if (mac != NULL)
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diff -up openssh-7.0p1/Makefile.in.fips openssh-7.0p1/Makefile.in
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--- openssh-7.0p1/Makefile.in.fips 2015-08-19 12:36:51.145412905 +0200
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+++ openssh-7.0p1/Makefile.in 2015-08-19 12:36:51.151412892 +0200
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@@ -168,25 +168,25 @@ libssh.a: $(LIBSSH_OBJS)
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$(RANLIB) $@
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ssh$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHOBJS)
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- $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHLIBS) $(LIBS) $(GSSLIBS)
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+ $(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHLIBS) $(LIBS) $(GSSLIBS)
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sshd$(EXEEXT): libssh.a $(LIBCOMPAT) $(SSHDOBJS)
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- $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)
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+ $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(SSHDLIBS) $(LIBS) $(GSSLIBS) $(K5LIBS)
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scp$(EXEEXT): $(LIBCOMPAT) libssh.a scp.o progressmeter.o utf8_stringprep.o
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$(LD) -o $@ scp.o progressmeter.o bufaux.o utf8_stringprep.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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ssh-add$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-add.o
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- $(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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+ $(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
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ssh-agent$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-agent.o ssh-pkcs11-client.o
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- $(LD) -o $@ ssh-agent.o ssh-pkcs11-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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+ $(LD) -o $@ ssh-agent.o ssh-pkcs11-client.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
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ssh-keygen$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keygen.o
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- $(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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+ $(LD) -o $@ ssh-keygen.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
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ssh-keysign$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keysign.o roaming_dummy.o readconf.o
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- $(LD) -o $@ ssh-keysign.o readconf.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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+ $(LD) -o $@ ssh-keysign.o readconf.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lfipscheck $(LIBS)
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ssh-pkcs11-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-pkcs11-helper.o ssh-pkcs11.o
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$(LD) -o $@ ssh-pkcs11-helper.o ssh-pkcs11.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
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@@ -204,7 +204,7 @@ ssh-cavs$(EXEEXT): $(LIBCOMPAT) libssh.a
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$(LD) -o $@ ssh-cavs.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o roaming_dummy.o
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- $(LD) -o $@ ssh-keyscan.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
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+ $(LD) -o $@ ssh-keyscan.o roaming_dummy.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lfipscheck $(LIBS)
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sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-common.o sftp-server.o sftp-server-main.o
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$(LD) -o $@ sftp-server.o sftp-common.o sftp-server-main.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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diff -up openssh-7.0p1/myproposal.h.fips openssh-7.0p1/myproposal.h
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--- openssh-7.0p1/myproposal.h.fips 2015-08-11 10:57:29.000000000 +0200
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+++ openssh-7.0p1/myproposal.h 2015-08-19 12:36:51.151412892 +0200
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@@ -138,6 +138,28 @@
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"hmac-sha1-96," \
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"hmac-md5-96"
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+#define KEX_DEFAULT_KEX_FIPS \
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+ KEX_ECDH_METHODS \
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+ KEX_SHA256_METHODS \
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+ "diffie-hellman-group-exchange-sha1," \
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+ "diffie-hellman-group14-sha1"
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+#define KEX_FIPS_ENCRYPT \
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+ "aes128-ctr,aes192-ctr,aes256-ctr," \
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+ "aes128-cbc,3des-cbc," \
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+ "aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se"
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+#ifdef HAVE_EVP_SHA256
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+#define KEX_FIPS_MAC \
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+ "hmac-sha1," \
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+ "hmac-sha2-256," \
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+ "hmac-sha2-512," \
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+ "hmac-sha1-etm@openssh.com," \
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+ "hmac-sha2-256-etm@openssh.com," \
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+ "hmac-sha2-512-etm@openssh.com"
|
|
+#else
|
|
+#define KEX_FIPS_MAC \
|
|
+ "hmac-sha1"
|
|
+#endif
|
|
+
|
|
#else
|
|
|
|
#define KEX_SERVER_KEX \
|
|
diff -up openssh-7.0p1/readconf.c.fips openssh-7.0p1/readconf.c
|
|
--- openssh-7.0p1/readconf.c.fips 2015-08-19 12:36:51.138412921 +0200
|
|
+++ openssh-7.0p1/readconf.c 2015-08-19 12:36:51.152412889 +0200
|
|
@@ -1915,9 +1915,12 @@ fill_default_options(Options * options)
|
|
options->fingerprint_hash = SSH_FP_HASH_DEFAULT;
|
|
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-7.0p1/servconf.c.fips openssh-7.0p1/servconf.c
|
|
--- openssh-7.0p1/servconf.c.fips 2015-08-19 12:36:51.139412919 +0200
|
|
+++ openssh-7.0p1/servconf.c 2015-08-19 12:36:51.152412889 +0200
|
|
@@ -361,9 +361,12 @@ fill_default_server_options(ServerOption
|
|
if (options->use_kuserok == -1)
|
|
options->use_kuserok = 1;
|
|
|
|
- if (kex_assemble_names(KEX_SERVER_ENCRYPT, &options->ciphers) != 0 ||
|
|
- kex_assemble_names(KEX_SERVER_MAC, &options->macs) != 0 ||
|
|
- kex_assemble_names(KEX_SERVER_KEX, &options->kex_algorithms) != 0 ||
|
|
+ if (kex_assemble_names((FIPS_mode() ? KEX_FIPS_ENCRYPT
|
|
+ : KEX_SERVER_ENCRYPT), &options->ciphers) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_FIPS_MAC
|
|
+ : KEX_SERVER_MAC), &options->macs) != 0 ||
|
|
+ kex_assemble_names((FIPS_mode() ? KEX_DEFAULT_KEX_FIPS
|
|
+ : KEX_SERVER_KEX), &options->kex_algorithms) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
&options->hostbased_key_types) != 0 ||
|
|
kex_assemble_names(KEX_DEFAULT_PK_ALG,
|
|
@@ -2355,8 +2358,10 @@ 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);
|
|
@@ -2371,8 +2376,8 @@ 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-7.0p1/ssh.c.fips openssh-7.0p1/ssh.c
|
|
--- openssh-7.0p1/ssh.c.fips 2015-08-11 10:57:29.000000000 +0200
|
|
+++ openssh-7.0p1/ssh.c 2015-08-19 12:36:51.153412887 +0200
|
|
@@ -75,6 +75,8 @@
|
|
#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"
|
|
|
|
@@ -522,6 +524,14 @@ 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 */
|
|
@@ -599,6 +609,9 @@ main(int ac, char **av)
|
|
"ACD:E:F:GI: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':
|
|
@@ -940,7 +953,6 @@ main(int ac, char **av)
|
|
host_arg = xstrdup(host);
|
|
|
|
#ifdef WITH_OPENSSL
|
|
- OpenSSL_add_all_algorithms();
|
|
ERR_load_crypto_strings();
|
|
#endif
|
|
|
|
@@ -1114,6 +1126,10 @@ main(int ac, char **av)
|
|
|
|
seed_rng();
|
|
|
|
+ if (FIPS_mode()) {
|
|
+ logit("FIPS mode initialized");
|
|
+ }
|
|
+
|
|
if (options.user == NULL)
|
|
options.user = xstrdup(pw->pw_name);
|
|
|
|
@@ -1191,6 +1207,12 @@ 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-7.0p1/sshconnect2.c.fips openssh-7.0p1/sshconnect2.c
|
|
--- openssh-7.0p1/sshconnect2.c.fips 2015-08-19 12:36:51.140412916 +0200
|
|
+++ openssh-7.0p1/sshconnect2.c 2015-08-19 12:39:52.455004667 +0200
|
|
@@ -44,6 +44,8 @@
|
|
#include <vis.h>
|
|
#endif
|
|
|
|
+#include <openssl/fips.h>
|
|
+
|
|
#include "openbsd-compat/sys-queue.h"
|
|
|
|
#include "xmalloc.h"
|
|
@@ -170,21 +172,26 @@ 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 = myproposal[PROPOSAL_KEX_ALGS];
|
|
-
|
|
- if (options.gss_trust_dns)
|
|
- gss_host = (char *)get_canonical_hostname(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(&myproposal[PROPOSAL_KEX_ALGS],
|
|
- "%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 = myproposal[PROPOSAL_KEX_ALGS];
|
|
+
|
|
+ if (options.gss_trust_dns)
|
|
+ gss_host = (char *)get_canonical_hostname(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(&myproposal[PROPOSAL_KEX_ALGS],
|
|
+ "%s,%s", gss, orig);
|
|
+ }
|
|
}
|
|
}
|
|
#endif
|
|
diff -up openssh-7.0p1/sshd.c.fips openssh-7.0p1/sshd.c
|
|
--- openssh-7.0p1/sshd.c.fips 2015-08-19 12:36:51.148412898 +0200
|
|
+++ openssh-7.0p1/sshd.c 2015-08-19 12:36:51.153412887 +0200
|
|
@@ -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
|
|
|
|
@@ -1552,6 +1555,18 @@ 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;
|
|
@@ -1704,7 +1719,7 @@ main(int ac, char **av)
|
|
else
|
|
closefrom(REEXEC_DEVCRYPTO_RESERVED_FD);
|
|
|
|
-#ifdef WITH_OPENSSL
|
|
+#if 0 /* FIPS */
|
|
OpenSSL_add_all_algorithms();
|
|
#endif
|
|
|
|
@@ -1905,6 +1920,10 @@ main(int ac, char **av)
|
|
sshkey_type(pubkey) : sshkey_ssh_name(pubkey), fp);
|
|
free(fp);
|
|
}
|
|
+ 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;
|
|
@@ -2073,6 +2092,10 @@ 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)
|
|
@@ -2692,10 +2715,14 @@ 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-7.0p1/sshkey.c.fips openssh-7.0p1/sshkey.c
|
|
--- openssh-7.0p1/sshkey.c.fips 2015-08-19 12:36:51.148412898 +0200
|
|
+++ openssh-7.0p1/sshkey.c 2015-08-19 12:36:51.154412885 +0200
|
|
@@ -35,6 +35,7 @@
|
|
#include <openssl/evp.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/pem.h>
|
|
+#include <openssl/fips.h>
|
|
#endif
|
|
|
|
#include "crypto_api.h"
|
|
@@ -1552,6 +1553,8 @@ 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;
|
|
}
|