Fix regression in pkcs11 introduced in the previous patch
Resolves: rhbz#2207793 Signed-off-by: Norbert Pocs <npocs@redhat.com>
This commit is contained in:
Norbert Pocs
parent
48718a1a72
commit
6b2353418c
131
openssh-8.7p1-evp-pkcs11.patch
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131
openssh-8.7p1-evp-pkcs11.patch
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@ -0,0 +1,131 @@
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-ecdsa.c openssh-8.7p1-patched/ssh-ecdsa.c
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--- openssh-8.7p1/ssh-ecdsa.c 2023-05-24 09:39:45.002631174 +0200
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+++ openssh-8.7p1-patched/ssh-ecdsa.c 2023-05-24 09:09:34.400853951 +0200
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@@ -74,8 +74,18 @@
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if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1)
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return SSH_ERR_INTERNAL_ERROR;
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- if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0)
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- return ret;
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+#ifdef ENABLE_PKCS11
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+ if (is_ecdsa_pkcs11(key->ecdsa)) {
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+ if ((pkey = EVP_PKEY_new()) == NULL ||
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+ EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1)
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+ return SSH_ERR_ALLOC_FAIL;
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+ } else {
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+#endif
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+ if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0)
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+ return ret;
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+#ifdef ENABLE_PKCS11
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+ }
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+#endif
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ret = sshkey_calculate_signature(pkey, hash_alg, &sigb, &len, data,
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datalen);
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EVP_PKEY_free(pkey);
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.c openssh-8.7p1-patched/ssh-pkcs11.c
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--- openssh-8.7p1/ssh-pkcs11.c 2023-05-24 09:39:44.950630607 +0200
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+++ openssh-8.7p1-patched/ssh-pkcs11.c 2023-05-24 09:33:59.153866357 +0200
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@@ -775,8 +775,24 @@
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return (0);
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}
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+
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+int
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+is_ecdsa_pkcs11(EC_KEY *ecdsa)
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+{
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+ if (EC_KEY_get_ex_data(ecdsa, ec_key_idx) != NULL)
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+ return 1;
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+ return 0;
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+}
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#endif /* HAVE_EC_KEY_METHOD_NEW */
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+int
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+is_rsa_pkcs11(RSA *rsa)
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+{
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+ if (RSA_get_ex_data(rsa, rsa_idx) != NULL)
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+ return 1;
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+ return 0;
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+}
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+
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/* remove trailing spaces */
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static void
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rmspace(u_char *buf, size_t len)
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11-client.c openssh-8.7p1-patched/ssh-pkcs11-client.c
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--- openssh-8.7p1/ssh-pkcs11-client.c 2023-05-24 09:39:44.950630607 +0200
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+++ openssh-8.7p1-patched/ssh-pkcs11-client.c 2023-05-24 09:31:16.139092673 +0200
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@@ -225,8 +225,36 @@
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static RSA_METHOD *helper_rsa;
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#ifdef HAVE_EC_KEY_METHOD_NEW
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static EC_KEY_METHOD *helper_ecdsa;
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+
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+int
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+is_ecdsa_pkcs11(EC_KEY *ecdsa)
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+{
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+ const EC_KEY_METHOD *meth;
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+ ECDSA_SIG *(*sign_sig)(const unsigned char *dgst, int dgstlen,
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+ const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey) = NULL;
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+
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+ meth = EC_KEY_get_method(ecdsa);
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+ EC_KEY_METHOD_get_sign(meth, NULL, NULL, &sign_sig);
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+ if (sign_sig == ecdsa_do_sign)
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+ return 1;
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+ return 0;
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+}
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#endif /* HAVE_EC_KEY_METHOD_NEW */
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+int
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+is_rsa_pkcs11(RSA *rsa)
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+{
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+ const RSA_METHOD *meth;
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+ int (*priv_enc)(int flen, const unsigned char *from,
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+ unsigned char *to, RSA *rsa, int padding) = NULL;
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+
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+ meth = RSA_get_method(rsa);
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+ priv_enc = RSA_meth_get_priv_enc(meth);
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+ if (priv_enc == rsa_encrypt)
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+ return 1;
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+ return 0;
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+}
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+
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/* redirect private key crypto operations to the ssh-pkcs11-helper */
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static void
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wrap_key(struct sshkey *k)
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.h openssh-8.7p1-patched/ssh-pkcs11.h
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--- openssh-8.7p1/ssh-pkcs11.h 2023-05-24 09:39:44.950630607 +0200
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+++ openssh-8.7p1-patched/ssh-pkcs11.h 2023-05-24 09:36:49.055714975 +0200
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@@ -39,6 +39,11 @@
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u_int32_t *);
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#endif
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+#ifdef HAVE_EC_KEY_METHOD_NEW
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+int is_ecdsa_pkcs11(EC_KEY *ecdsa);
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+#endif
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+int is_rsa_pkcs11(RSA *rsa);
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+
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#if !defined(WITH_OPENSSL) && defined(ENABLE_PKCS11)
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#undef ENABLE_PKCS11
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#endif
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-rsa.c openssh-8.7p1-patched/ssh-rsa.c
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--- openssh-8.7p1/ssh-rsa.c 2023-05-24 09:39:45.003631184 +0200
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+++ openssh-8.7p1-patched/ssh-rsa.c 2023-05-24 09:31:37.019319860 +0200
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@@ -174,8 +174,18 @@
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if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
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return SSH_ERR_KEY_LENGTH;
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- if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
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- return ret;
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+#ifdef ENABLE_PKCS11
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+ if (is_rsa_pkcs11(key->rsa)) {
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+ if ((pkey = EVP_PKEY_new()) == NULL ||
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+ EVP_PKEY_set1_RSA(pkey, key->rsa) != 1)
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+ return SSH_ERR_ALLOC_FAIL;
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+ } else {
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+#endif
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+ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
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+ return ret;
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+#ifdef ENABLE_PKCS11
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+ }
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+#endif
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ret = sshkey_calculate_signature(pkey, hash_alg, &sig, &len, data,
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datalen);
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EVP_PKEY_free(pkey);
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@ -51,7 +51,7 @@
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# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
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%global openssh_ver 8.7p1
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%global openssh_rel 31
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%global openssh_rel 32
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%global pam_ssh_agent_ver 0.10.4
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%global pam_ssh_agent_rel 5
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@ -270,6 +270,7 @@ Patch1008: openssh-8.7p1-CVE-2023-25136.patch
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Patch1009: openssh-8.7p1-evp-fips-compl-sign.patch
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Patch1010: openssh-8.7p1-evp-fips-compl-dh.patch
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Patch1011: openssh-8.7p1-evp-fips-compl-ecdh.patch
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Patch1012: openssh-8.7p1-evp-pkcs11.patch
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License: BSD
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Requires: /sbin/nologin
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@ -484,6 +485,7 @@ popd
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%patch1009 -p1 -b .evp_fips_sign
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%patch1010 -p1 -b .evp_fips_dh
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%patch1011 -p1 -b .evp_fips_ecdh
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%patch1012 -p1 -b .evp_pkcs11
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autoreconf
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pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver}
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@ -770,6 +772,11 @@ test -f %{sysconfig_anaconda} && \
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%endif
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%changelog
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* Wed May 24 2023 Norbert Pocs <npocs@redhat.com> - 8.7p1-32
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- Fix pkcs11 issue with the recent changes
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- Delete unnecessary log messages from previous compl-dh patch
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- Resolves: rhbz#2207793
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* Tue May 16 2023 Norbert Pocs <npocs@redhat.com> - 8.7p1-31
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- Fix minor issues with openssh-8.7p1-evp-fips-compl-dh.patch:
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- Check return values
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