From 5d03849909bfd59d1c2ba5744d595e2270fc333e Mon Sep 17 00:00:00 2001 From: renmingshuai Date: Sun, 4 Feb 2024 03:57:01 +0000 Subject: [PATCH] support fips module --- openssh-7.7p1-fips.patch | 670 +++++++++++++++++++++++++++++++++++++++ openssh.spec | 10 +- 2 files changed, 679 insertions(+), 1 deletion(-) create mode 100644 openssh-7.7p1-fips.patch diff --git a/openssh-7.7p1-fips.patch b/openssh-7.7p1-fips.patch new file mode 100644 index 0000000..ab8edd7 --- /dev/null +++ b/openssh-7.7p1-fips.patch @@ -0,0 +1,670 @@ +diff -up openssh-8.6p1/dh.c.fips openssh-8.6p1/dh.c +--- openssh-8.6p1/dh.c.fips 2021-04-16 05:55:25.000000000 +0200 ++++ openssh-8.6p1/dh.c 2021-05-06 12:12:10.107634472 +0200 +@@ -36,6 +36,7 @@ + + #include + #include ++#include + + #include "dh.h" + #include "pathnames.h" +@@ -164,6 +164,12 @@ choose_dh(int min, int wantbits, int max + int best, bestcount, which, linenum; + struct dhgroup dhg; + ++ if (FIPS_mode()) { ++ verbose("Using arbitrary primes is not allowed in FIPS mode." ++ " Falling back to known groups."); ++ return (dh_new_group_fallback(max)); ++ } ++ + if ((f = fopen(get_moduli_filename(), "r")) == NULL) { + logit("WARNING: could not open %s (%s), using fixed modulus", + get_moduli_filename(), strerror(errno)); +@@ -502,4 +508,38 @@ dh_estimate(int bits) + return 8192; + } + ++/* ++ * Compares the received DH parameters with known-good groups, ++ * which might be either from group14, group16 or group18. ++ */ ++int ++dh_is_known_group(const DH *dh) ++{ ++ const BIGNUM *p, *g; ++ const BIGNUM *known_p, *known_g; ++ DH *known = NULL; ++ int bits = 0, rv = 0; ++ ++ DH_get0_pqg(dh, &p, NULL, &g); ++ bits = BN_num_bits(p); ++ ++ if (bits <= 3072) { ++ known = dh_new_group14(); ++ } else if (bits <= 6144) { ++ known = dh_new_group16(); ++ } else { ++ known = dh_new_group18(); ++ } ++ ++ DH_get0_pqg(known, &known_p, NULL, &known_g); ++ ++ if (BN_cmp(g, known_g) == 0 && ++ BN_cmp(p, known_p) == 0) { ++ rv = 1; ++ } ++ ++ DH_free(known); ++ return rv; ++} ++ + #endif /* WITH_OPENSSL */ +diff -up openssh-8.6p1/dh.h.fips openssh-8.6p1/dh.h +--- openssh-8.6p1/dh.h.fips 2021-05-06 12:08:36.498926877 +0200 ++++ openssh-8.6p1/dh.h 2021-05-06 12:11:28.393298005 +0200 +@@ -45,6 +45,7 @@ DH *dh_new_group_fallback(int); + + int dh_gen_key(DH *, int); + int dh_pub_is_valid(const DH *, const BIGNUM *); ++int dh_is_known_group(const DH *); + + u_int dh_estimate(int); + void dh_set_moduli_file(const char *); +diff -up openssh-8.6p1/kex.c.fips openssh-8.6p1/kex.c +--- openssh-8.6p1/kex.c.fips 2021-05-06 12:08:36.489926807 +0200 ++++ openssh-8.6p1/kex.c 2021-05-06 12:08:36.498926877 +0200 +@@ -39,6 +39,7 @@ + + #ifdef WITH_OPENSSL + #include ++#include + #include + # ifdef HAVE_EVP_KDF_CTX_NEW_ID + # include +@@ -203,7 +203,10 @@ 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-8.6p1/kexgexc.c.fips openssh-8.6p1/kexgexc.c +--- openssh-8.6p1/kexgexc.c.fips 2021-04-16 05:55:25.000000000 +0200 ++++ openssh-8.6p1/kexgexc.c 2021-05-06 12:08:36.498926877 +0200 +@@ -28,6 +28,7 @@ + + #ifdef WITH_OPENSSL + ++#include + #include + + #include +@@ -115,6 +116,10 @@ input_kex_dh_gex_group(int type, u_int32 + r = SSH_ERR_ALLOC_FAIL; + goto out; + } ++ if (FIPS_mode() && dh_is_known_group(kex->dh) == 0) { ++ r = SSH_ERR_INVALID_ARGUMENT; ++ goto out; ++ } + p = g = NULL; /* belong to kex->dh now */ + + /* generate and send 'e', client DH public key */ +diff -up openssh-8.6p1/myproposal.h.fips openssh-8.6p1/myproposal.h +--- openssh-8.6p1/myproposal.h.fips 2021-04-16 05:55:25.000000000 +0200 ++++ openssh-8.6p1/myproposal.h 2021-05-06 12:08:36.498926877 +0200 +@@ -57,6 +57,18 @@ + "rsa-sha2-512," \ + "rsa-sha2-256" + ++#define KEX_FIPS_PK_ALG \ ++ "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ ++ "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ ++ "ecdsa-sha2-nistp521-cert-v01@openssh.com," \ ++ "rsa-sha2-512-cert-v01@openssh.com," \ ++ "rsa-sha2-256-cert-v01@openssh.com," \ ++ "ecdsa-sha2-nistp256," \ ++ "ecdsa-sha2-nistp384," \ ++ "ecdsa-sha2-nistp521," \ ++ "rsa-sha2-512," \ ++ "rsa-sha2-256" ++ + #define KEX_SERVER_ENCRYPT \ + "chacha20-poly1305@openssh.com," \ + "aes128-ctr,aes192-ctr,aes256-ctr," \ +@@ -78,6 +92,27 @@ + + #define KEX_CLIENT_MAC KEX_SERVER_MAC + ++#define KEX_FIPS_ENCRYPT \ ++ "aes128-ctr,aes192-ctr,aes256-ctr," \ ++ "aes128-cbc,3des-cbc," \ ++ "aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se," \ ++ "aes128-gcm@openssh.com,aes256-gcm@openssh.com" ++#define KEX_DEFAULT_KEX_FIPS \ ++ "ecdh-sha2-nistp256," \ ++ "ecdh-sha2-nistp384," \ ++ "ecdh-sha2-nistp521," \ ++ "diffie-hellman-group-exchange-sha256," \ ++ "diffie-hellman-group16-sha512," \ ++ "diffie-hellman-group18-sha512," \ ++ "diffie-hellman-group14-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" ++ + /* Not a KEX value, but here so all the algorithm defaults are together */ + #define SSH_ALLOWED_CA_SIGALGS \ + "ssh-ed25519," \ +diff -up openssh-8.6p1/readconf.c.fips openssh-8.6p1/readconf.c +--- openssh-8.6p1/readconf.c.fips 2021-05-06 12:08:36.428926336 +0200 ++++ openssh-8.6p1/readconf.c 2021-05-06 12:08:36.499926885 +0200 +@@ -39,6 +39,7 @@ + #include + #include + #include ++#include + #ifdef USE_SYSTEM_GLOB + # include + #else +@@ -2538,11 +2538,16 @@ fill_default_options(Options * options) + all_key = sshkey_alg_list(0, 0, 1, ','); + all_sig = sshkey_alg_list(0, 1, 1, ','); + /* remove unsupported algos from default lists */ +- def_cipher = match_filter_allowlist(KEX_CLIENT_ENCRYPT, all_cipher); +- def_mac = match_filter_allowlist(KEX_CLIENT_MAC, all_mac); +- def_kex = match_filter_allowlist(KEX_CLIENT_KEX, all_kex); +- def_key = match_filter_allowlist(KEX_DEFAULT_PK_ALG, all_key); +- def_sig = match_filter_allowlist(SSH_ALLOWED_CA_SIGALGS, all_sig); ++ def_cipher = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_ENCRYPT : KEX_CLIENT_ENCRYPT), all_cipher); ++ def_mac = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_MAC : KEX_CLIENT_MAC), all_mac); ++ def_kex = match_filter_allowlist((FIPS_mode() ? ++ KEX_DEFAULT_KEX_FIPS : KEX_CLIENT_KEX), all_kex); ++ def_key = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_PK_ALG : KEX_DEFAULT_PK_ALG), all_key); ++ def_sig = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_PK_ALG : SSH_ALLOWED_CA_SIGALGS), all_sig); + #define ASSEMBLE(what, defaults, all) \ + do { \ + if ((r = kex_assemble_names(&options->what, \ +diff -up openssh-8.6p1/sandbox-seccomp-filter.c.fips openssh-8.6p1/sandbox-seccomp-filter.c +--- openssh-8.6p1/sandbox-seccomp-filter.c.fips 2021-05-06 12:08:36.463926606 +0200 ++++ openssh-8.6p1/sandbox-seccomp-filter.c 2021-05-06 12:08:36.499926885 +0200 +@@ -160,6 +160,9 @@ 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-8.6p1/servconf.c.fips openssh-8.6p1/servconf.c +--- openssh-8.6p1/servconf.c.fips 2021-05-06 12:08:36.455926545 +0200 ++++ openssh-8.6p1/servconf.c 2021-05-06 12:08:36.500926893 +0200 +@@ -38,6 +38,7 @@ + #include + #include + #include ++#include + #ifdef HAVE_UTIL_H + #include + #endif +@@ -226,11 +226,16 @@ assemble_algorithms(ServerOptions *o) + all_key = sshkey_alg_list(0, 0, 1, ','); + all_sig = sshkey_alg_list(0, 1, 1, ','); + /* remove unsupported algos from default lists */ +- def_cipher = match_filter_allowlist(KEX_SERVER_ENCRYPT, all_cipher); +- def_mac = match_filter_allowlist(KEX_SERVER_MAC, all_mac); +- def_kex = match_filter_allowlist(KEX_SERVER_KEX, all_kex); +- def_key = match_filter_allowlist(KEX_DEFAULT_PK_ALG, all_key); +- def_sig = match_filter_allowlist(SSH_ALLOWED_CA_SIGALGS, all_sig); ++ def_cipher = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_ENCRYPT : KEX_SERVER_ENCRYPT), all_cipher); ++ def_mac = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_MAC : KEX_SERVER_MAC), all_mac); ++ def_kex = match_filter_allowlist((FIPS_mode() ? ++ KEX_DEFAULT_KEX_FIPS : KEX_SERVER_KEX), all_kex); ++ def_key = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_PK_ALG : KEX_DEFAULT_PK_ALG), all_key); ++ def_sig = match_filter_allowlist((FIPS_mode() ? ++ KEX_FIPS_PK_ALG : SSH_ALLOWED_CA_SIGALGS), all_sig); + #define ASSEMBLE(what, defaults, all) \ + do { \ + if ((r = kex_assemble_names(&o->what, defaults, all)) != 0) \ +diff -up openssh-8.6p1/ssh.c.fips openssh-8.6p1/ssh.c +--- openssh-8.6p1/ssh.c.fips 2021-05-06 12:08:36.467926637 +0200 ++++ openssh-8.6p1/ssh.c 2021-05-06 12:08:36.500926893 +0200 +@@ -77,6 +77,7 @@ + #include + #include + #endif ++#include + #include "openbsd-compat/openssl-compat.h" + #include "openbsd-compat/sys-queue.h" + +@@ -1516,6 +1517,10 @@ main(int ac, char **av) + exit(0); + } + ++ if (FIPS_mode()) { ++ debug("FIPS mode initialized"); ++ } ++ + /* Expand SecurityKeyProvider if it refers to an environment variable */ + if (options.sk_provider != NULL && *options.sk_provider == '$' && + strlen(options.sk_provider) > 1) { +diff -up openssh-8.6p1/sshconnect2.c.fips openssh-8.6p1/sshconnect2.c +--- openssh-8.6p1/sshconnect2.c.fips 2021-05-06 12:08:36.485926777 +0200 ++++ openssh-8.6p1/sshconnect2.c 2021-05-06 12:08:36.501926900 +0200 +@@ -45,6 +45,8 @@ + #include + #endif + ++#include ++ + #include "openbsd-compat/sys-queue.h" + + #include "xmalloc.h" +@@ -269,36 +271,41 @@ ssh_kex2(struct ssh *ssh, char *host, st + + #if defined(GSSAPI) && defined(WITH_OPENSSL) + 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_server_identity) { +- gss_host = xstrdup(options.gss_server_identity); +- } else if (options.gss_trust_dns) { +- gss_host = remote_hostname(ssh); +- /* Fall back to specified host if we are using proxy command +- * and can not use DNS on that socket */ +- if (strcmp(gss_host, "UNKNOWN") == 0) { +- free(gss_host); ++ 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_server_identity) { ++ gss_host = xstrdup(options.gss_server_identity); ++ } else if (options.gss_trust_dns) { ++ gss_host = remote_hostname(ssh); ++ /* Fall back to specified host if we are using proxy command ++ * and can not use DNS on that socket */ ++ if (strcmp(gss_host, "UNKNOWN") == 0) { ++ free(gss_host); ++ gss_host = xstrdup(host); ++ } ++ } else { + gss_host = xstrdup(host); + } +- } else { +- gss_host = xstrdup(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 we've got GSSAPI algorithms, then we also support the +- * 'null' hostkey, as a last resort */ +- orig = myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS]; +- xasprintf(&myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS], +- "%s,null", orig); ++ 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 we've got GSSAPI algorithms, then we also support the ++ * 'null' hostkey, as a last resort */ ++ orig = myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS]; ++ xasprintf(&myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS], ++ "%s,null", orig); ++ } + } + } + #endif +diff -up openssh-8.6p1/sshd.c.fips openssh-8.6p1/sshd.c +--- openssh-8.6p1/sshd.c.fips 2021-05-06 12:08:36.493926838 +0200 ++++ openssh-8.6p1/sshd.c 2021-05-06 12:13:56.501492639 +0200 +@@ -66,6 +66,7 @@ + #endif + #include + #include ++#include + #include + #include + #include +@@ -77,6 +78,7 @@ + #include + #include + #include ++#include + #include "openbsd-compat/openssl-compat.h" + #endif + +@@ -1931,6 +1931,13 @@ main(int ac, char **av) + &key, NULL)) != 0 && r != SSH_ERR_SYSTEM_ERROR) + do_log2_r(r, ll, "Unable to load host key \"%s\"", + options.host_key_files[i]); ++ if (FIPS_mode() && key != NULL && (sshkey_type_plain(key->type) == KEY_ED25519_SK ++ || sshkey_type_plain(key->type) == KEY_ED25519)) { ++ logit_f("sshd: Ed25519 keys are not allowed in FIPS mode, skipping %s", options.host_key_files[i]); ++ sshkey_free(key); ++ key = NULL; ++ continue; ++ } + if (sshkey_is_sk(key) && + key->sk_flags & SSH_SK_USER_PRESENCE_REQD) { + debug("host key %s requires user presence, ignoring", +@@ -2110,6 +2113,10 @@ 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()) { ++ debug("FIPS mode initialized"); ++ } ++ + /* + * Chdir to the root directory so that the current disk can be + * unmounted if desired. +@@ -2494,10 +2501,14 @@ do_ssh2_kex(struct ssh *ssh) + 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-8.6p1/sshkey.c.fips openssh-8.6p1/sshkey.c +--- openssh-8.6p1/sshkey.c.fips 2021-05-06 12:08:36.493926838 +0200 ++++ openssh-8.6p1/sshkey.c 2021-05-06 12:08:36.502926908 +0200 +@@ -36,6 +36,7 @@ + #include + #include + #include ++#include + #endif + + #include "crypto_api.h" +@@ -285,6 +285,18 @@ sshkey_alg_list(int certs_only, int plai + impl = keyimpls[i]; + if (impl->name == NULL || impl->type == KEY_NULL) + continue; ++ if (FIPS_mode()) { ++ switch (impl->type) { ++ case KEY_ED25519: ++ case KEY_ED25519_SK: ++ case KEY_ED25519_CERT: ++ case KEY_ED25519_SK_CERT: ++ continue; ++ break; ++ default: ++ break; ++ } ++ } + if (!include_sigonly && impl->sigonly) + continue; + if ((certs_only && !impl->cert) || (plain_only && impl->cert)) +@@ -1503,6 +1503,20 @@ sshkey_read(struct sshkey *ret, char **c + return SSH_ERR_EC_CURVE_MISMATCH; + } + ++ switch (type) { ++ case KEY_ED25519: ++ case KEY_ED25519_SK: ++ case KEY_ED25519_CERT: ++ case KEY_ED25519_SK_CERT: ++ if (FIPS_mode()) { ++ sshkey_free(k); ++ logit_f("Ed25519 keys are not allowed in FIPS mode"); ++ return SSH_ERR_INVALID_ARGUMENT; ++ } ++ break; ++ default: ++ break; ++ } + /* Fill in ret from parsed key */ + sshkey_free_contents(ret); + *ret = *k; +@@ -2916,6 +2916,11 @@ sshkey_sign(struct sshkey *key, + *lenp = 0; + if (datalen > SSH_KEY_MAX_SIGN_DATA_SIZE) + return SSH_ERR_INVALID_ARGUMENT; ++ if (FIPS_mode() && ((key->type == KEY_ED25519_SK) || (key->type == KEY_ED25519_SK_CERT))) { ++ logit_f("Ed25519 keys are not allowed in FIPS mode"); ++ return SSH_ERR_INVALID_ARGUMENT; ++ } ++ /* Fallthrough */ + if ((impl = sshkey_impl_from_key(key)) == NULL) + return SSH_ERR_KEY_TYPE_UNKNOWN; + if ((r = sshkey_unshield_private(key)) != 0) +@@ -2973,6 +2978,10 @@ sshkey_verify(const struct sshkey *key, + *detailsp = NULL; + if (siglen == 0 || dlen > SSH_KEY_MAX_SIGN_DATA_SIZE) + return SSH_ERR_INVALID_ARGUMENT; ++ if (FIPS_mode() && ((key->type == KEY_ED25519_SK) || (key->type == KEY_ED25519_SK_CERT))) { ++ logit_f("Ed25519 keys are not allowed in FIPS mode"); ++ return SSH_ERR_INVALID_ARGUMENT; ++ } + if ((impl = sshkey_impl_from_key(key)) == NULL) + return SSH_ERR_KEY_TYPE_UNKNOWN; + return impl->funcs->verify(key, sig, siglen, data, dlen, +diff -up openssh-8.6p1/ssh-keygen.c.fips openssh-8.6p1/ssh-keygen.c +--- openssh-8.6p1/ssh-keygen.c.fips 2021-05-06 12:08:36.467926637 +0200 ++++ openssh-8.6p1/ssh-keygen.c 2021-05-06 12:08:36.503926916 +0200 +@@ -20,6 +20,7 @@ + + #ifdef WITH_OPENSSL + #include ++#include + #include + #include "openbsd-compat/openssl-compat.h" + #endif +@@ -205,6 +205,12 @@ type_bits_valid(int type, const char *na + #endif + } + #ifdef WITH_OPENSSL ++ if (FIPS_mode()) { ++ if (type == KEY_DSA) ++ fatal("DSA keys are not allowed in FIPS mode"); ++ if (type == KEY_ED25519 || type == KEY_ED25519_SK) ++ fatal("ED25519 keys are not allowed in FIPS mode"); ++ } + switch (type) { + case KEY_DSA: + if (*bitsp != 1024) +@@ -1098,9 +1104,17 @@ do_gen_all_hostkeys(struct passwd *pw) + first = 1; + printf("%s: generating new host keys: ", __progname); + } ++ type = sshkey_type_from_name(key_types[i].key_type); ++ ++ /* Skip the keys that are not supported in FIPS mode */ ++ if (FIPS_mode() && (type == KEY_DSA || type == KEY_ED25519)) { ++ logit("Skipping %s key in FIPS mode", ++ key_types[i].key_type_display); ++ goto next; ++ } ++ + printf("%s ", key_types[i].key_type_display); + fflush(stdout); +- type = sshkey_type_from_name(key_types[i].key_type); + if ((fd = mkstemp(prv_tmp)) == -1) { + error("Could not save your private key in %s: %s", + prv_tmp, strerror(errno)); +diff -up openssh-9.3p1/ssh-rsa.c.evpgenrsa openssh-9.3p1/ssh-rsa.c +--- openssh-9.3p1/ssh-rsa.c.evpgenrsa 2022-06-30 15:14:58.200518353 +0200 ++++ openssh-9.3p1/ssh-rsa.c 2022-06-30 15:24:31.499641196 +0200 +@@ -33,6 +33,7 @@ + #include + #include + #include ++#include + + #include + #include +@@ -1705,6 +1707,8 @@ ssh_rsa_generate(u_int bits, RSA + goto out; + + if (EVP_PKEY_keygen(ctx, &res) <= 0) { ++ if (FIPS_mode()) ++ logit_f("the key length might be unsupported by FIPS mode approved key generation method"); + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } +diff -up openssh-8.7p1/kexgen.c.fips3 openssh-8.7p1/kexgen.c +--- openssh-8.7p1/kexgen.c.fips3 2022-07-11 16:11:21.973519913 +0200 ++++ openssh-8.7p1/kexgen.c 2022-07-11 16:25:31.172187365 +0200 +@@ -31,6 +31,7 @@ + #include + #include + #include ++#include + + #include "sshkey.h" + #include "kex.h" +@@ -115,10 +116,20 @@ kex_gen_client(struct ssh *ssh) + break; + #endif + case KEX_C25519_SHA256: +- r = kex_c25519_keypair(kex); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type c25519 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_c25519_keypair(kex); ++ } + break; + case KEX_KEM_SNTRUP761X25519_SHA512: +- r = kex_kem_sntrup761x25519_keypair(kex); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type sntrup761 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_kem_sntrup761x25519_keypair(kex); ++ } + break; + default: + r = SSH_ERR_INVALID_ARGUMENT; +@@ -186,11 +197,21 @@ input_kex_gen_reply(int type, u_int32_t + break; + #endif + case KEX_C25519_SHA256: +- r = kex_c25519_dec(kex, server_blob, &shared_secret); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type c25519 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_c25519_dec(kex, server_blob, &shared_secret); ++ } + break; + case KEX_KEM_SNTRUP761X25519_SHA512: +- r = kex_kem_sntrup761x25519_dec(kex, server_blob, +- &shared_secret); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type sntrup761 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_kem_sntrup761x25519_dec(kex, server_blob, ++ &shared_secret); ++ } + break; + default: + r = SSH_ERR_INVALID_ARGUMENT; +@@ -285,12 +306,22 @@ input_kex_gen_init(int type, u_int32_t s + break; + #endif + case KEX_C25519_SHA256: +- r = kex_c25519_enc(kex, client_pubkey, &server_pubkey, +- &shared_secret); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type c25519 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_c25519_enc(kex, client_pubkey, &server_pubkey, ++ &shared_secret); ++ } + break; + case KEX_KEM_SNTRUP761X25519_SHA512: +- r = kex_kem_sntrup761x25519_enc(kex, client_pubkey, +- &server_pubkey, &shared_secret); ++ if (FIPS_mode()) { ++ logit_f("Key exchange type sntrup761 is not allowed in FIPS mode"); ++ r = SSH_ERR_INVALID_ARGUMENT; ++ } else { ++ r = kex_kem_sntrup761x25519_enc(kex, client_pubkey, ++ &server_pubkey, &shared_secret); ++ } + break; + default: + r = SSH_ERR_INVALID_ARGUMENT; +diff -up openssh-8.7p1/ssh-ed25519.c.fips3 openssh-8.7p1/ssh-ed25519.c +--- openssh-8.7p1/ssh-ed25519.c.fips3 2022-07-11 16:53:41.428343304 +0200 ++++ openssh-8.7p1/ssh-ed25519.c 2022-07-11 16:56:09.284663661 +0200 +@@ -24,6 +24,7 @@ + + #include + #include ++#include + + #include "log.h" + #include "sshbuf.h" +@@ -52,6 +53,10 @@ ssh_ed25519_sign(const struct sshkey *ke + key->ed25519_sk == NULL || + datalen >= INT_MAX - crypto_sign_ed25519_BYTES) + return SSH_ERR_INVALID_ARGUMENT; ++ if (FIPS_mode()) { ++ logit_f("Ed25519 keys are not allowed in FIPS mode"); ++ return SSH_ERR_INVALID_ARGUMENT; ++ } + smlen = slen = datalen + crypto_sign_ed25519_BYTES; + if ((sig = malloc(slen)) == NULL) + return SSH_ERR_ALLOC_FAIL; +@@ -108,6 +113,10 @@ ssh_ed25519_verify(const struct sshkey * + dlen >= INT_MAX - crypto_sign_ed25519_BYTES || + sig == NULL || siglen == 0) + return SSH_ERR_INVALID_ARGUMENT; ++ if (FIPS_mode()) { ++ logit_f("Ed25519 keys are not allowed in FIPS mode"); ++ return SSH_ERR_INVALID_ARGUMENT; ++ } + + if ((b = sshbuf_from(sig, siglen)) == NULL) + return SSH_ERR_ALLOC_FAIL; diff --git a/openssh.spec b/openssh.spec index 4e70388..f75005f 100644 --- a/openssh.spec +++ b/openssh.spec @@ -6,7 +6,7 @@ %{?no_gtk2:%global gtk2 0} %global sshd_uid 74 -%global openssh_release 2 +%global openssh_release 3 Name: openssh Version: 9.3p2 @@ -50,6 +50,7 @@ Patch15: openssh-6.6p1-allow-ip-opts.patch Patch17: openssh-5.9p1-ipv6man.patch Patch18: openssh-5.8p2-sigpipe.patch Patch19: openssh-7.2p2-x11.patch +Patch20: openssh-7.7p1-fips.patch Patch21: openssh-5.1p1-askpass-progress.patch Patch22: openssh-4.3p2-askpass-grab-info.patch Patch23: openssh-7.7p1.patch @@ -232,6 +233,7 @@ popd %patch61 -p1 -b .negotiate-supported-algs %patch1 -p1 -b .audit %patch2 -p1 -b .audit-race +%patch20 -p1 -b .fips %patch0 -p1 -b .coverity %patch66 -p1 @@ -453,6 +455,12 @@ getent passwd sshd >/dev/null || \ %attr(0644,root,root) %{_mandir}/man8/sftp-server.8* %changelog +* Sun Feb 4 2024 renmingshuai - 9.3p2-3 +- Type:bugfix +- CVE:NA +- SUG:NA +- DESC:support fips module + * Wed Jan 31 2024 renmingshuai - 9.3p2-2 - Type:bugfix - CVE:NA -- Gitee