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SUSE:SLE-15-SP1:GA
openssh.17572
openssh-7.6p1-openssl_1.1.0.patch
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File openssh-7.6p1-openssl_1.1.0.patch of Package openssh.17572
# HG changeset patch # Parent 3853cf4ac3fb9fe8540e0bf295fdb6c6360acb65 OpenSSL 1.1.0 API shims and crutches modified from RH patch Index: openssh-7.6p1/Makefile.in =================================================================== --- openssh-7.6p1.orig/Makefile.in 2019-03-12 14:38:33.264919086 +0100 +++ openssh-7.6p1/Makefile.in 2019-03-12 14:38:34.012923293 +0100 @@ -104,6 +104,8 @@ LIBSSH_OBJS += kexgssc.o kexgsss.o LIBSSH_OBJS += auditstub.o +LIBSSH_OBJS += libcrypto-compat.o + SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \ sshconnect.o sshconnect2.o mux.o Index: openssh-7.6p1/auth-pam.c =================================================================== --- openssh-7.6p1.orig/auth-pam.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/auth-pam.c 2019-03-12 14:38:34.012923293 +0100 @@ -128,6 +128,10 @@ extern u_int utmp_len; typedef pthread_t sp_pthread_t; #else typedef pid_t sp_pthread_t; +# define pthread_create(a, b, c, d) _ssh_compat_pthread_create(a, b, c, d) +# define pthread_exit(a) _ssh_compat_pthread_exit(a) +# define pthread_cancel(a) _ssh_compat_pthread_cancel(a) +# define pthread_join(a, b) _ssh_compat_pthread_join(a, b) #endif struct pam_ctxt { Index: openssh-7.6p1/cavstest-ctr.c =================================================================== --- openssh-7.6p1.orig/cavstest-ctr.c 2019-03-12 14:38:30.636904307 +0100 +++ openssh-7.6p1/cavstest-ctr.c 2019-03-12 14:38:34.016923316 +0100 @@ -150,7 +150,7 @@ main(int argc, char *argv[]) usage(); } - SSLeay_add_all_algorithms(); + OpenSSL_add_all_algorithms(); c = cipher_by_name(algo); if (c == NULL) { Index: openssh-7.6p1/cipher.c =================================================================== --- openssh-7.6p1.orig/cipher.c 2019-03-12 14:38:33.268919109 +0100 +++ openssh-7.6p1/cipher.c 2019-03-12 14:38:34.016923316 +0100 @@ -297,7 +297,7 @@ cipher_init(struct sshcipher_ctx **ccp, ret = SSH_ERR_ALLOC_FAIL; goto out; } - if (EVP_CipherInit(cc->evp, type, NULL, (u_char *)iv, + if (EVP_CipherInit(cc->evp, type, (u_char *)key, (u_char *)iv, (do_encrypt == CIPHER_ENCRYPT)) == 0) { ret = SSH_ERR_LIBCRYPTO_ERROR; goto out; @@ -315,10 +315,6 @@ cipher_init(struct sshcipher_ctx **ccp, goto out; } } - if (EVP_CipherInit(cc->evp, NULL, (u_char *)key, NULL, -1) == 0) { - ret = SSH_ERR_LIBCRYPTO_ERROR; - goto out; - } ret = 0; #endif /* WITH_OPENSSL */ out: @@ -504,7 +500,7 @@ cipher_get_keyiv(struct sshcipher_ctx *c len, iv)) return SSH_ERR_LIBCRYPTO_ERROR; } else - memcpy(iv, cc->evp->iv, len); + memcpy(iv, EVP_CIPHER_CTX_iv(cc->evp), len); #endif return 0; } @@ -538,14 +534,14 @@ cipher_set_keyiv(struct sshcipher_ctx *c EVP_CTRL_GCM_SET_IV_FIXED, -1, (void *)iv)) return SSH_ERR_LIBCRYPTO_ERROR; } else - memcpy(cc->evp->iv, iv, evplen); + memcpy(EVP_CIPHER_CTX_iv_noconst(cc->evp), iv, evplen); #endif return 0; } #ifdef WITH_OPENSSL -#define EVP_X_STATE(evp) (evp)->cipher_data -#define EVP_X_STATE_LEN(evp) (evp)->cipher->ctx_size +#define EVP_X_STATE(evp) EVP_CIPHER_CTX_get_cipher_data(evp) +#define EVP_X_STATE_LEN(evp) EVP_CIPHER_impl_ctx_size(EVP_CIPHER_CTX_cipher(evp)) #endif int Index: openssh-7.6p1/configure.ac =================================================================== --- openssh-7.6p1.orig/configure.ac 2019-03-12 14:38:32.420914340 +0100 +++ openssh-7.6p1/configure.ac 2019-03-12 14:38:34.016923316 +0100 @@ -2574,6 +2574,7 @@ if test "x$openssl" = "xyes" ; then AC_MSG_ERROR([OpenSSL >= 1.0.1 required (have "$ssl_library_ver")]) ;; 100*) ;; # 1.0.x + 101*) ;; # 1.1.x is supported by this patch too 200*) ;; # LibreSSL *) AC_MSG_ERROR([OpenSSL >= 1.1.0 is not yet supported (have "$ssl_library_ver")]) Index: openssh-7.6p1/dh.c =================================================================== --- openssh-7.6p1.orig/dh.c 2019-03-12 14:38:28.372891575 +0100 +++ openssh-7.6p1/dh.c 2019-03-12 14:38:34.016923316 +0100 @@ -214,14 +214,15 @@ choose_dh(int min, int wantbits, int max /* diffie-hellman-groupN-sha1 */ int -dh_pub_is_valid(DH *dh, BIGNUM *dh_pub) +dh_pub_is_valid(const DH *dh, const BIGNUM *dh_pub) { int i; int n = BN_num_bits(dh_pub); int bits_set = 0; BIGNUM *tmp; + const BIGNUM *p; - if (dh_pub->neg) { + if (BN_is_negative(dh_pub)) { logit("invalid public DH value: negative"); return 0; } @@ -234,7 +235,8 @@ dh_pub_is_valid(DH *dh, BIGNUM *dh_pub) error("%s: BN_new failed", __func__); return 0; } - if (!BN_sub(tmp, dh->p, BN_value_one()) || + DH_get0_pqg(dh, &p, NULL, NULL); + if (!BN_sub(tmp, p, BN_value_one()) || BN_cmp(dh_pub, tmp) != -1) { /* pub_exp > p-2 */ BN_clear_free(tmp); logit("invalid public DH value: >= p-1"); @@ -245,14 +247,14 @@ dh_pub_is_valid(DH *dh, BIGNUM *dh_pub) for (i = 0; i <= n; i++) if (BN_is_bit_set(dh_pub, i)) bits_set++; - debug2("bits set: %d/%d", bits_set, BN_num_bits(dh->p)); + debug2("bits set: %d/%d", bits_set, BN_num_bits(p)); /* * if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial */ if (bits_set < 4) { logit("invalid public DH value (%d/%d)", - bits_set, BN_num_bits(dh->p)); + bits_set, BN_num_bits(p)); return 0; } return 1; @@ -262,9 +264,11 @@ int dh_gen_key(DH *dh, int need) { int pbits; + const BIGNUM *p, *pub_key; - if (need < 0 || dh->p == NULL || - (pbits = BN_num_bits(dh->p)) <= 0 || + DH_get0_pqg(dh, &p, NULL, NULL); + if (need < 0 || p == NULL || + (pbits = BN_num_bits(p)) <= 0 || need > INT_MAX / 2 || 2 * need > pbits) return SSH_ERR_INVALID_ARGUMENT; if (need < 256) @@ -273,10 +277,11 @@ dh_gen_key(DH *dh, int need) * Pollard Rho, Big step/Little Step attacks are O(sqrt(n)), * so double requested need here. */ - dh->length = MINIMUM(need * 2, pbits - 1); - if (DH_generate_key(dh) == 0 || - !dh_pub_is_valid(dh, dh->pub_key)) { - BN_clear_free(dh->priv_key); + DH_set_length(dh, MINIMUM(need * 2, pbits - 1)); + if (DH_generate_key(dh) == 0) + return SSH_ERR_LIBCRYPTO_ERROR; + DH_get0_key(dh, &pub_key, NULL); + if (!dh_pub_is_valid(dh, pub_key)) { return SSH_ERR_LIBCRYPTO_ERROR; } return 0; @@ -286,15 +291,22 @@ DH * dh_new_group_asc(const char *gen, const char *modulus) { DH *dh; + BIGNUM *p = NULL, *g = NULL; - if ((dh = DH_new()) == NULL) - return NULL; - if (BN_hex2bn(&dh->p, modulus) == 0 || - BN_hex2bn(&dh->g, gen) == 0) { - DH_free(dh); - return NULL; - } + if ((dh = DH_new()) == NULL || + (p = BN_new()) == NULL || + (g = BN_new()) == NULL) + goto err; + if (BN_hex2bn(&p, modulus) == 0 || + BN_hex2bn(&g, gen) == 0 || + DH_set0_pqg(dh, p, NULL, g) == 0) + goto err; return (dh); +err: + DH_free(dh); + BN_free(p); + BN_free(g); + return NULL; } /* @@ -309,8 +321,7 @@ dh_new_group(BIGNUM *gen, BIGNUM *modulu if ((dh = DH_new()) == NULL) return NULL; - dh->p = modulus; - dh->g = gen; + DH_set0_pqg(dh, modulus, NULL, gen); return (dh); } Index: openssh-7.6p1/dh.h =================================================================== --- openssh-7.6p1.orig/dh.h 2019-03-12 14:38:30.068901113 +0100 +++ openssh-7.6p1/dh.h 2019-03-12 14:38:34.016923316 +0100 @@ -42,7 +42,7 @@ DH *dh_new_group18(void); DH *dh_new_group_fallback(int); int dh_gen_key(DH *, int); -int dh_pub_is_valid(DH *, BIGNUM *); +int dh_pub_is_valid(const DH *, const BIGNUM *); u_int dh_estimate(int); Index: openssh-7.6p1/digest-openssl.c =================================================================== --- openssh-7.6p1.orig/digest-openssl.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/digest-openssl.c 2019-03-12 14:38:34.016923316 +0100 @@ -43,7 +43,7 @@ struct ssh_digest_ctx { int alg; - EVP_MD_CTX mdctx; + EVP_MD_CTX *mdctx; }; struct ssh_digest { @@ -106,7 +106,7 @@ ssh_digest_bytes(int alg) size_t ssh_digest_blocksize(struct ssh_digest_ctx *ctx) { - return EVP_MD_CTX_block_size(&ctx->mdctx); + return EVP_MD_CTX_block_size(ctx->mdctx); } struct ssh_digest_ctx * @@ -118,8 +118,10 @@ ssh_digest_start(int alg) if (digest == NULL || ((ret = calloc(1, sizeof(*ret))) == NULL)) return NULL; ret->alg = alg; - EVP_MD_CTX_init(&ret->mdctx); - if (EVP_DigestInit_ex(&ret->mdctx, digest->mdfunc(), NULL) != 1) { + ret->mdctx = EVP_MD_CTX_new(); + if (ret->mdctx == NULL || + EVP_DigestInit_ex(ret->mdctx, digest->mdfunc(), NULL) != 1) { + EVP_MD_CTX_free(ret->mdctx); free(ret); return NULL; } @@ -132,7 +134,7 @@ ssh_digest_copy_state(struct ssh_digest_ if (from->alg != to->alg) return SSH_ERR_INVALID_ARGUMENT; /* we have bcopy-style order while openssl has memcpy-style */ - if (!EVP_MD_CTX_copy_ex(&to->mdctx, &from->mdctx)) + if (!EVP_MD_CTX_copy_ex(to->mdctx, from->mdctx)) return SSH_ERR_LIBCRYPTO_ERROR; return 0; } @@ -140,7 +142,7 @@ ssh_digest_copy_state(struct ssh_digest_ int ssh_digest_update(struct ssh_digest_ctx *ctx, const void *m, size_t mlen) { - if (EVP_DigestUpdate(&ctx->mdctx, m, mlen) != 1) + if (EVP_DigestUpdate(ctx->mdctx, m, mlen) != 1) return SSH_ERR_LIBCRYPTO_ERROR; return 0; } @@ -161,7 +163,7 @@ ssh_digest_final(struct ssh_digest_ctx * return SSH_ERR_INVALID_ARGUMENT; if (dlen < digest->digest_len) /* No truncation allowed */ return SSH_ERR_INVALID_ARGUMENT; - if (EVP_DigestFinal_ex(&ctx->mdctx, d, &l) != 1) + if (EVP_DigestFinal_ex(ctx->mdctx, d, &l) != 1) return SSH_ERR_LIBCRYPTO_ERROR; if (l != digest->digest_len) /* sanity */ return SSH_ERR_INTERNAL_ERROR; @@ -172,7 +174,7 @@ void ssh_digest_free(struct ssh_digest_ctx *ctx) { if (ctx != NULL) { - EVP_MD_CTX_cleanup(&ctx->mdctx); + EVP_MD_CTX_free(ctx->mdctx); explicit_bzero(ctx, sizeof(*ctx)); free(ctx); } Index: openssh-7.6p1/gss-genr.c =================================================================== --- openssh-7.6p1.orig/gss-genr.c 2019-03-12 14:38:32.420914340 +0100 +++ openssh-7.6p1/gss-genr.c 2019-03-12 14:38:34.016923316 +0100 @@ -98,7 +98,7 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup u_char digest[EVP_MAX_MD_SIZE]; char deroid[2]; const EVP_MD *evp_md = EVP_md5(); - EVP_MD_CTX md; + EVP_MD_CTX *md; if (gss_enc2oid != NULL) { for (i = 0; gss_enc2oid[i].encoded != NULL; i++) @@ -111,6 +111,7 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup buffer_init(&buf); + md = EVP_MD_CTX_new(); oidpos = 0; for (i = 0; i < gss_supported->count; i++) { if (gss_supported->elements[i].length < 128 && @@ -119,12 +120,13 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup deroid[0] = SSH_GSS_OIDTYPE; deroid[1] = gss_supported->elements[i].length; - EVP_DigestInit(&md, evp_md); - EVP_DigestUpdate(&md, deroid, 2); - EVP_DigestUpdate(&md, + EVP_MD_CTX_reset(md); + EVP_DigestInit(md, evp_md); + EVP_DigestUpdate(md, deroid, 2); + EVP_DigestUpdate(md, gss_supported->elements[i].elements, gss_supported->elements[i].length); - EVP_DigestFinal(&md, digest, NULL); + EVP_DigestFinal(md, digest, NULL); encoded = xmalloc(EVP_MD_size(evp_md) * 2); enclen = __b64_ntop(digest, EVP_MD_size(evp_md), @@ -150,6 +152,7 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup oidpos++; } } + EVP_MD_CTX_free(md); gss_enc2oid[oidpos].oid = NULL; gss_enc2oid[oidpos].encoded = NULL; Index: openssh-7.6p1/includes.h =================================================================== --- openssh-7.6p1.orig/includes.h 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/includes.h 2019-03-12 14:38:34.016923316 +0100 @@ -166,6 +166,7 @@ #ifdef WITH_OPENSSL #include <openssl/opensslv.h> /* For OPENSSL_VERSION_NUMBER */ +#include "libcrypto-compat.h" #endif #include "defines.h" Index: openssh-7.6p1/kexdhc.c =================================================================== --- openssh-7.6p1.orig/kexdhc.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/kexdhc.c 2019-03-12 14:38:34.016923316 +0100 @@ -56,6 +56,7 @@ kexdh_client(struct ssh *ssh) { struct kex *kex = ssh->kex; int r; + const BIGNUM *pub_key; /* generate and send 'e', client DH public key */ switch (kex->kex_type) { @@ -81,21 +82,27 @@ kexdh_client(struct ssh *ssh) goto out; } debug("sending SSH2_MSG_KEXDH_INIT"); - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 || - (r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || + if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) + goto out; + DH_get0_key(kex->dh, &pub_key, NULL); + if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 || + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; #ifdef DEBUG_KEXDH DHparams_print_fp(stderr, kex->dh); fprintf(stderr, "pub= "); - BN_print_fp(stderr, kex->dh->pub_key); + BN_print_fp(stderr, pub_key); fprintf(stderr, "\n"); #endif debug("expecting SSH2_MSG_KEXDH_REPLY"); ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_REPLY, &input_kex_dh); r = 0; out: + if (r != 0) { + DH_free(kex->dh); + kex->dh = NULL; + } return r; } @@ -109,6 +116,7 @@ input_kex_dh(int type, u_int32_t seq, st u_char hash[SSH_DIGEST_MAX_LENGTH]; size_t klen = 0, slen, sbloblen, hashlen; int kout, r; + const BIGNUM *pub_key; if (kex->verify_host_key == NULL) { r = SSH_ERR_INVALID_ARGUMENT; @@ -168,6 +176,7 @@ input_kex_dh(int type, u_int32_t seq, st #endif /* calc and verify H */ + DH_get0_key(kex->dh, &pub_key, NULL); hashlen = sizeof(hash); if ((r = kex_dh_hash( kex->hash_alg, @@ -176,7 +185,7 @@ input_kex_dh(int type, u_int32_t seq, st sshbuf_ptr(kex->my), sshbuf_len(kex->my), sshbuf_ptr(kex->peer), sshbuf_len(kex->peer), server_host_key_blob, sbloblen, - kex->dh->pub_key, + pub_key, dh_server_pub, shared_secret, hash, &hashlen)) != 0) Index: openssh-7.6p1/kexdhs.c =================================================================== --- openssh-7.6p1.orig/kexdhs.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/kexdhs.c 2019-03-12 14:38:34.016923316 +0100 @@ -87,6 +87,10 @@ kexdh_server(struct ssh *ssh) ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_INIT, &input_kex_dh_init); r = 0; out: + if (r != 0) { + DH_free(kex->dh); + kex->dh = NULL; + } return r; } @@ -101,6 +105,7 @@ input_kex_dh_init(int type, u_int32_t se size_t sbloblen, slen; size_t klen = 0, hashlen; int kout, r; + const BIGNUM *pub_key; if (kex->load_host_public_key == NULL || kex->load_host_private_key == NULL) { @@ -163,6 +168,7 @@ input_kex_dh_init(int type, u_int32_t se goto out; /* calc H */ hashlen = sizeof(hash); + DH_get0_key(kex->dh, &pub_key, NULL); if ((r = kex_dh_hash( kex->hash_alg, kex->client_version_string, @@ -171,7 +177,7 @@ input_kex_dh_init(int type, u_int32_t se sshbuf_ptr(kex->my), sshbuf_len(kex->my), server_host_key_blob, sbloblen, dh_client_pub, - kex->dh->pub_key, + pub_key, shared_secret, hash, &hashlen)) != 0) goto out; @@ -197,7 +203,7 @@ input_kex_dh_init(int type, u_int32_t se /* send server hostkey, DH pubkey 'f' and singed H */ if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_REPLY)) != 0 || (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || /* f */ + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || /* f */ (r = sshpkt_put_string(ssh, signature, slen)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; Index: openssh-7.6p1/kexgexc.c =================================================================== --- openssh-7.6p1.orig/kexgexc.c 2019-03-12 14:38:30.072901136 +0100 +++ openssh-7.6p1/kexgexc.c 2019-03-12 14:38:34.016923316 +0100 @@ -96,6 +96,7 @@ input_kex_dh_gex_group(int type, u_int32 struct kex *kex = ssh->kex; BIGNUM *p = NULL, *g = NULL; int r, bits; + const BIGNUM *pub_key; debug("got SSH2_MSG_KEX_DH_GEX_GROUP"); @@ -126,26 +127,30 @@ input_kex_dh_gex_group(int type, u_int32 p = g = NULL; /* belong to kex->dh now */ /* generate and send 'e', client DH public key */ - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 || - (r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || + if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) + goto out; + DH_get0_key(kex->dh, &pub_key, NULL); + if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 || + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; debug("SSH2_MSG_KEX_DH_GEX_INIT sent"); #ifdef DEBUG_KEXDH DHparams_print_fp(stderr, kex->dh); fprintf(stderr, "pub= "); - BN_print_fp(stderr, kex->dh->pub_key); + BN_print_fp(stderr, pub_key); fprintf(stderr, "\n"); #endif ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_GROUP, NULL); ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &input_kex_dh_gex_reply); r = 0; out: - if (p) - BN_clear_free(p); - if (g) - BN_clear_free(g); + BN_clear_free(p); + BN_clear_free(g); + if (r != 0) { + DH_free(kex->dh); + kex->dh = NULL; + } return r; } @@ -159,6 +164,7 @@ input_kex_dh_gex_reply(int type, u_int32 u_char hash[SSH_DIGEST_MAX_LENGTH]; size_t klen = 0, slen, sbloblen, hashlen; int kout, r; + const BIGNUM *p, *g, *pub_key; debug("got SSH2_MSG_KEX_DH_GEX_REPLY"); if (kex->verify_host_key == NULL) { @@ -221,6 +227,8 @@ input_kex_dh_gex_reply(int type, u_int32 kex->min = kex->max = -1; /* calc and verify H */ + DH_get0_pqg(kex->dh, &p, NULL, &g); + DH_get0_key(kex->dh, &pub_key, NULL); hashlen = sizeof(hash); if ((r = kexgex_hash( kex->hash_alg, @@ -230,8 +238,8 @@ input_kex_dh_gex_reply(int type, u_int32 sshbuf_ptr(kex->peer), sshbuf_len(kex->peer), server_host_key_blob, sbloblen, kex->min, kex->nbits, kex->max, - kex->dh->p, kex->dh->g, - kex->dh->pub_key, + p, g, + pub_key, dh_server_pub, shared_secret, hash, &hashlen)) != 0) Index: openssh-7.6p1/kexgexs.c =================================================================== --- openssh-7.6p1.orig/kexgexs.c 2019-03-12 14:38:30.072901136 +0100 +++ openssh-7.6p1/kexgexs.c 2019-03-12 14:38:34.016923316 +0100 @@ -74,6 +74,7 @@ input_kex_dh_gex_request(int type, u_int struct kex *kex = ssh->kex; int r; u_int min = 0, max = 0, nbits = 0; + const BIGNUM *p, *g; debug("SSH2_MSG_KEX_DH_GEX_REQUEST received"); if ((r = sshpkt_get_u32(ssh, &min)) != 0 || @@ -109,9 +110,10 @@ input_kex_dh_gex_request(int type, u_int goto out; } debug("SSH2_MSG_KEX_DH_GEX_GROUP sent"); + DH_get0_pqg(kex->dh, &p, NULL, &g); if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_GROUP)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->p)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->g)) != 0 || + (r = sshpkt_put_bignum2(ssh, p)) != 0 || + (r = sshpkt_put_bignum2(ssh, g)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; @@ -123,6 +125,10 @@ input_kex_dh_gex_request(int type, u_int ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &input_kex_dh_gex_init); r = 0; out: + if (r != 0) { + DH_free(kex->dh); + kex->dh = NULL; + } return r; } @@ -137,6 +143,7 @@ input_kex_dh_gex_init(int type, u_int32_ size_t sbloblen, slen; size_t klen = 0, hashlen; int kout, r; + const BIGNUM *p, *g, *pub_key; if (kex->load_host_public_key == NULL || kex->load_host_private_key == NULL) { @@ -199,6 +206,8 @@ input_kex_dh_gex_init(int type, u_int32_ goto out; /* calc H */ hashlen = sizeof(hash); + DH_get0_pqg(kex->dh, &p, NULL, &g); + DH_get0_key(kex->dh, &pub_key, NULL); if ((r = kexgex_hash( kex->hash_alg, kex->client_version_string, @@ -207,9 +216,9 @@ input_kex_dh_gex_init(int type, u_int32_ sshbuf_ptr(kex->my), sshbuf_len(kex->my), server_host_key_blob, sbloblen, kex->min, kex->nbits, kex->max, - kex->dh->p, kex->dh->g, + p, g, dh_client_pub, - kex->dh->pub_key, + pub_key, shared_secret, hash, &hashlen)) != 0) goto out; @@ -235,7 +244,7 @@ input_kex_dh_gex_init(int type, u_int32_ /* send server hostkey, DH pubkey 'f' and singed H */ if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REPLY)) != 0 || (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || /* f */ + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || /* f */ (r = sshpkt_put_string(ssh, signature, slen)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; Index: openssh-7.6p1/kexgssc.c =================================================================== --- openssh-7.6p1.orig/kexgssc.c 2019-03-12 14:38:32.424914363 +0100 +++ openssh-7.6p1/kexgssc.c 2019-03-12 14:38:34.016923316 +0100 @@ -61,6 +61,7 @@ kexgss_client(struct ssh *ssh) BIGNUM *shared_secret = NULL; BIGNUM *p = NULL; BIGNUM *g = NULL; + const BIGNUM *pub_key, *p1, *g1; u_char *kbuf; u_char *serverhostkey = NULL; u_char *empty = ""; @@ -136,6 +137,7 @@ kexgss_client(struct ssh *ssh) /* Step 1 - e is dh->pub_key */ dh_gen_key(dh, ssh->kex->we_need * 8); + DH_get0_key(dh, &pub_key, NULL); /* This is f, we initialise it now to make life easier */ dh_server_pub = BN_new(); @@ -183,7 +185,7 @@ kexgss_client(struct ssh *ssh) packet_start(SSH2_MSG_KEXGSS_INIT); packet_put_string(send_tok.value, send_tok.length); - packet_put_bignum2(dh->pub_key); + packet_put_bignum2((BIGNUM *)pub_key); first = 0; } else { packet_start(SSH2_MSG_KEXGSS_CONTINUE); @@ -294,13 +296,14 @@ kexgss_client(struct ssh *ssh) buffer_ptr(ssh->kex->my), buffer_len(ssh->kex->my), buffer_ptr(ssh->kex->peer), buffer_len(ssh->kex->peer), (serverhostkey ? serverhostkey : empty), slen, - dh->pub_key, /* e */ + pub_key, /* e */ dh_server_pub, /* f */ shared_secret, /* K */ hash, &hashlen ); break; case KEX_GSS_GEX_SHA1: + DH_get0_pqg(dh, &p1, NULL, &g1); kexgex_hash( ssh->kex->hash_alg, ssh->kex->client_version_string, @@ -309,8 +312,8 @@ kexgss_client(struct ssh *ssh) buffer_ptr(ssh->kex->peer), buffer_len(ssh->kex->peer), (serverhostkey ? serverhostkey : empty), slen, min, nbits, max, - dh->p, dh->g, - dh->pub_key, + p1, g1, + pub_key, dh_server_pub, shared_secret, hash, &hashlen Index: openssh-7.6p1/kexgsss.c =================================================================== --- openssh-7.6p1.orig/kexgsss.c 2019-03-12 14:38:32.424914363 +0100 +++ openssh-7.6p1/kexgsss.c 2019-03-12 14:38:34.016923316 +0100 @@ -79,6 +79,7 @@ kexgss_server(struct ssh *ssh) char *mechs; u_char hash[SSH_DIGEST_MAX_LENGTH]; size_t hashlen; + const BIGNUM *p, *g, *pub_key; /* Initialise GSSAPI */ @@ -131,9 +132,10 @@ kexgss_server(struct ssh *ssh) if (dh == NULL) packet_disconnect("Protocol error: no matching group found"); + DH_get0_pqg(dh, &p, NULL, &g); packet_start(SSH2_MSG_KEXGSS_GROUP); - packet_put_bignum2(dh->p); - packet_put_bignum2(dh->g); + packet_put_bignum2((BIGNUM *)p); + packet_put_bignum2((BIGNUM *)g); packet_send(); packet_write_wait(); @@ -225,6 +227,7 @@ kexgss_server(struct ssh *ssh) explicit_bzero(kbuf, klen); free(kbuf); + DH_get0_key(dh, &pub_key, NULL); hashlen = sizeof(hash); switch (ssh->kex->kex_type) { case KEX_GSS_GRP1_SHA1: @@ -235,7 +238,7 @@ kexgss_server(struct ssh *ssh) buffer_ptr(ssh->kex->peer), buffer_len(ssh->kex->peer), buffer_ptr(ssh->kex->my), buffer_len(ssh->kex->my), NULL, 0, /* Change this if we start sending host keys */ - dh_client_pub, dh->pub_key, shared_secret, + dh_client_pub, pub_key, shared_secret, hash, &hashlen ); break; @@ -247,9 +250,9 @@ kexgss_server(struct ssh *ssh) buffer_ptr(ssh->kex->my), buffer_len(ssh->kex->my), NULL, 0, cmin, nbits, cmax, - dh->p, dh->g, + p, g, dh_client_pub, - dh->pub_key, + pub_key, shared_secret, hash, &hashlen ); @@ -273,7 +276,7 @@ kexgss_server(struct ssh *ssh) fatal("Couldn't get MIC"); packet_start(SSH2_MSG_KEXGSS_COMPLETE); - packet_put_bignum2(dh->pub_key); + packet_put_bignum2((BIGNUM *)pub_key); packet_put_string(msg_tok.value,msg_tok.length); if (send_tok.length != 0) { Index: openssh-7.6p1/libcrypto-compat.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ openssh-7.6p1/libcrypto-compat.c 2019-03-12 14:38:34.016923316 +0100 @@ -0,0 +1,428 @@ +/* + * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include "includes.h" + +#if OPENSSL_VERSION_NUMBER < 0x10100000L + +#include <string.h> +#include <openssl/engine.h> + +static void *OPENSSL_zalloc(size_t num) +{ + void *ret = OPENSSL_malloc(num); + + if (ret != NULL) + memset(ret, 0, num); + return ret; +} + +int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d) +{ + /* If the fields n and e in r are NULL, the corresponding input + * parameters MUST be non-NULL for n and e. d may be + * left NULL (in case only the public key is used). + */ + if ((r->n == NULL && n == NULL) + || (r->e == NULL && e == NULL)) + return 0; + + if (n != NULL) { + BN_free(r->n); + r->n = n; + } + if (e != NULL) { + BN_free(r->e); + r->e = e; + } + if (d != NULL) { + BN_free(r->d); + r->d = d; + } + + return 1; +} + +int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q) +{ + /* If the fields p and q in r are NULL, the corresponding input + * parameters MUST be non-NULL. + */ + if ((r->p == NULL && p == NULL) + || (r->q == NULL && q == NULL)) + return 0; + + if (p != NULL) { + BN_free(r->p); + r->p = p; + } + if (q != NULL) { + BN_free(r->q); + r->q = q; + } + + return 1; +} + +int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp) +{ + /* If the fields dmp1, dmq1 and iqmp in r are NULL, the corresponding input + * parameters MUST be non-NULL. + */ + if ((r->dmp1 == NULL && dmp1 == NULL) + || (r->dmq1 == NULL && dmq1 == NULL) + || (r->iqmp == NULL && iqmp == NULL)) + return 0; + + if (dmp1 != NULL) { + BN_free(r->dmp1); + r->dmp1 = dmp1; + } + if (dmq1 != NULL) { + BN_free(r->dmq1); + r->dmq1 = dmq1; + } + if (iqmp != NULL) { + BN_free(r->iqmp); + r->iqmp = iqmp; + } + + return 1; +} + +void RSA_get0_key(const RSA *r, + const BIGNUM **n, const BIGNUM **e, const BIGNUM **d) +{ + if (n != NULL) + *n = r->n; + if (e != NULL) + *e = r->e; + if (d != NULL) + *d = r->d; +} + +void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q) +{ + if (p != NULL) + *p = r->p; + if (q != NULL) + *q = r->q; +} + +void RSA_get0_crt_params(const RSA *r, + const BIGNUM **dmp1, const BIGNUM **dmq1, + const BIGNUM **iqmp) +{ + if (dmp1 != NULL) + *dmp1 = r->dmp1; + if (dmq1 != NULL) + *dmq1 = r->dmq1; + if (iqmp != NULL) + *iqmp = r->iqmp; +} + +void DSA_get0_pqg(const DSA *d, + const BIGNUM **p, const BIGNUM **q, const BIGNUM **g) +{ + if (p != NULL) + *p = d->p; + if (q != NULL) + *q = d->q; + if (g != NULL) + *g = d->g; +} + +int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g) +{ + /* If the fields p, q and g in d are NULL, the corresponding input + * parameters MUST be non-NULL. + */ + if ((d->p == NULL && p == NULL) + || (d->q == NULL && q == NULL) + || (d->g == NULL && g == NULL)) + return 0; + + if (p != NULL) { + BN_free(d->p); + d->p = p; + } + if (q != NULL) { + BN_free(d->q); + d->q = q; + } + if (g != NULL) { + BN_free(d->g); + d->g = g; + } + + return 1; +} + +void DSA_get0_key(const DSA *d, + const BIGNUM **pub_key, const BIGNUM **priv_key) +{ + if (pub_key != NULL) + *pub_key = d->pub_key; + if (priv_key != NULL) + *priv_key = d->priv_key; +} + +int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key) +{ + /* If the field pub_key in d is NULL, the corresponding input + * parameters MUST be non-NULL. The priv_key field may + * be left NULL. + */ + if (d->pub_key == NULL && pub_key == NULL) + return 0; + + if (pub_key != NULL) { + BN_free(d->pub_key); + d->pub_key = pub_key; + } + if (priv_key != NULL) { + BN_free(d->priv_key); + d->priv_key = priv_key; + } + + return 1; +} + +void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps) +{ + if (pr != NULL) + *pr = sig->r; + if (ps != NULL) + *ps = sig->s; +} + +int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s) +{ + if (r == NULL || s == NULL) + return 0; + BN_clear_free(sig->r); + BN_clear_free(sig->s); + sig->r = r; + sig->s = s; + return 1; +} + +void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps) +{ + if (pr != NULL) + *pr = sig->r; + if (ps != NULL) + *ps = sig->s; +} + +int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s) +{ + if (r == NULL || s == NULL) + return 0; + BN_clear_free(sig->r); + BN_clear_free(sig->s); + sig->r = r; + sig->s = s; + return 1; +} + +void DH_get0_pqg(const DH *dh, + const BIGNUM **p, const BIGNUM **q, const BIGNUM **g) +{ + if (p != NULL) + *p = dh->p; + if (q != NULL) + *q = dh->q; + if (g != NULL) + *g = dh->g; +} + +int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g) +{ + /* If the fields p and g in d are NULL, the corresponding input + * parameters MUST be non-NULL. q may remain NULL. + */ + if ((dh->p == NULL && p == NULL) + || (dh->g == NULL && g == NULL)) + return 0; + + if (p != NULL) { + BN_free(dh->p); + dh->p = p; + } + if (q != NULL) { + BN_free(dh->q); + dh->q = q; + } + if (g != NULL) { + BN_free(dh->g); + dh->g = g; + } + + if (q != NULL) { + dh->length = BN_num_bits(q); + } + + return 1; +} + +void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key) +{ + if (pub_key != NULL) + *pub_key = dh->pub_key; + if (priv_key != NULL) + *priv_key = dh->priv_key; +} + +int DH_set_length(DH *dh, long length) +{ + dh->length = length; + return 1; +} + +const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx) +{ + return ctx->iv; +} + +unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx) +{ + return ctx->iv; +} + +EVP_MD_CTX *EVP_MD_CTX_new(void) +{ + return OPENSSL_zalloc(sizeof(EVP_MD_CTX)); +} + +static void OPENSSL_clear_free(void *str, size_t num) +{ + if (str == NULL) + return; + if (num) + OPENSSL_cleanse(str, num); + OPENSSL_free(str); +} + +/* This call frees resources associated with the context */ +int EVP_MD_CTX_reset(EVP_MD_CTX *ctx) +{ + if (ctx == NULL) + return 1; + + /* + * Don't assume ctx->md_data was cleaned in EVP_Digest_Final, because + * sometimes only copies of the context are ever finalised. + */ + if (ctx->digest && ctx->digest->cleanup + && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED)) + ctx->digest->cleanup(ctx); + if (ctx->digest && ctx->digest->ctx_size && ctx->md_data + && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) { + OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size); + } + EVP_PKEY_CTX_free(ctx->pctx); +#ifndef OPENSSL_NO_ENGINE + ENGINE_finish(ctx->engine); +#endif + OPENSSL_cleanse(ctx, sizeof(*ctx)); + + return 1; +} + +void EVP_MD_CTX_free(EVP_MD_CTX *ctx) +{ + EVP_MD_CTX_reset(ctx); + OPENSSL_free(ctx); +} + +RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth) +{ + RSA_METHOD *ret; + + ret = OPENSSL_malloc(sizeof(RSA_METHOD)); + + if (ret != NULL) { + memcpy(ret, meth, sizeof(*meth)); + ret->name = OPENSSL_strdup(meth->name); + if (ret->name == NULL) { + OPENSSL_free(ret); + return NULL; + } + } + + return ret; +} + +int RSA_meth_set1_name(RSA_METHOD *meth, const char *name) +{ + char *tmpname; + + tmpname = OPENSSL_strdup(name); + if (tmpname == NULL) { + return 0; + } + + OPENSSL_free((char *)meth->name); + meth->name = tmpname; + + return 1; +} + +int RSA_meth_set_priv_enc(RSA_METHOD *meth, + int (*priv_enc) (int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, + int padding)) +{ + meth->rsa_priv_enc = priv_enc; + return 1; +} + +int RSA_meth_set_priv_dec(RSA_METHOD *meth, + int (*priv_dec) (int flen, const unsigned char *from, + unsigned char *to, RSA *rsa, + int padding)) +{ + meth->rsa_priv_dec = priv_dec; + return 1; +} + +int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa)) +{ + meth->finish = finish; + return 1; +} + +void RSA_meth_free(RSA_METHOD *meth) +{ + if (meth != NULL) { + OPENSSL_free((char *)meth->name); + OPENSSL_free(meth); + } +} + +int RSA_bits(const RSA *r) +{ + return (BN_num_bits(r->n)); +} + +int DSA_bits(const DSA *dsa) +{ + return BN_num_bits(dsa->p); +} + +RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey) +{ + if (pkey->type != EVP_PKEY_RSA) { + return NULL; + } + return pkey->pkey.rsa; +} + +#endif /* OPENSSL_VERSION_NUMBER */ Index: openssh-7.6p1/libcrypto-compat.h =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ openssh-7.6p1/libcrypto-compat.h 2019-03-12 14:38:34.016923316 +0100 @@ -0,0 +1,59 @@ +#ifndef LIBCRYPTO_COMPAT_H +#define LIBCRYPTO_COMPAT_H + +#if OPENSSL_VERSION_NUMBER < 0x10100000L + +#include <openssl/rsa.h> +#include <openssl/dsa.h> +#include <openssl/ecdsa.h> +#include <openssl/dh.h> +#include <openssl/evp.h> + +int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); +int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); +int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); +void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d); +void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); +void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, const BIGNUM **iqmp); + +void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g); +int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g); +void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, const BIGNUM **priv_key); +int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key); + +void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); +int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s); + +void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); +int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s); + +void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g); +int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g); +void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key); +int DH_set_length(DH *dh, long length); + +const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx); +unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx); +int EVP_MD_CTX_reset(EVP_MD_CTX *ctx); +EVP_MD_CTX *EVP_MD_CTX_new(void); +void EVP_MD_CTX_free(EVP_MD_CTX *ctx); +#define EVP_CIPHER_impl_ctx_size(e) e->ctx_size +#define EVP_CIPHER_CTX_get_cipher_data(ctx) ctx->cipher_data + +RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); +int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); +#define RSA_meth_get_finish(meth) meth->finish +int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc) (int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); +int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec) (int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); +int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa)); +void RSA_meth_free(RSA_METHOD *meth); + +int RSA_bits(const RSA *r); +int DSA_bits(const DSA *d); + +RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey); + +#endif /* OPENSSL_VERSION_NUMBER */ + +#endif /* LIBCRYPTO_COMPAT_H */ + Index: openssh-7.6p1/monitor.c =================================================================== --- openssh-7.6p1.orig/monitor.c 2019-03-12 14:38:33.268919109 +0100 +++ openssh-7.6p1/monitor.c 2019-03-12 14:38:34.016923316 +0100 @@ -621,9 +621,12 @@ mm_answer_moduli(int sock, Buffer *m) return (0); } else { /* Send first bignum */ + const BIGNUM *p, *g; + + DH_get0_pqg(dh, &p, NULL, &g); buffer_put_char(m, 1); - buffer_put_bignum2(m, dh->p); - buffer_put_bignum2(m, dh->g); + buffer_put_bignum2(m, p); + buffer_put_bignum2(m, g); DH_free(dh); } Index: openssh-7.6p1/openbsd-compat/openssl-compat.c =================================================================== --- openssh-7.6p1.orig/openbsd-compat/openssl-compat.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/openbsd-compat/openssl-compat.c 2019-03-12 14:38:34.016923316 +0100 @@ -70,12 +70,19 @@ ssh_compatible_openssl(long headerver, l void ssh_OpenSSL_add_all_algorithms(void) { +#if OPENSSL_VERSION_NUMBER < 0x10100000L OpenSSL_add_all_algorithms(); /* Enable use of crypto hardware */ ENGINE_load_builtin_engines(); +#if OPENSSL_VERSION_NUMBER < 0x10001000L ENGINE_register_all_complete(); +#endif OPENSSL_config(NULL); +#else + OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS | + OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CONFIG, NULL); +#endif } #endif Index: openssh-7.6p1/regress/unittests/sshkey/test_file.c =================================================================== --- openssh-7.6p1.orig/regress/unittests/sshkey/test_file.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/regress/unittests/sshkey/test_file.c 2019-03-12 14:38:34.020923338 +0100 @@ -46,6 +46,7 @@ sshkey_file_tests(void) struct sshbuf *buf, *pw; BIGNUM *a, *b, *c; char *cp; + const BIGNUM *n, *p, *q, *g, *pub_key, *priv_key; TEST_START("load passphrase"); pw = load_text_file("pw"); @@ -60,9 +61,11 @@ sshkey_file_tests(void) a = load_bignum("rsa_1.param.n"); b = load_bignum("rsa_1.param.p"); c = load_bignum("rsa_1.param.q"); - ASSERT_BIGNUM_EQ(k1->rsa->n, a); - ASSERT_BIGNUM_EQ(k1->rsa->p, b); - ASSERT_BIGNUM_EQ(k1->rsa->q, c); + RSA_get0_key(k1->rsa, &n, NULL, NULL); + RSA_get0_factors(k1->rsa, &p, &q); + ASSERT_BIGNUM_EQ(n, a); + ASSERT_BIGNUM_EQ(p, b); + ASSERT_BIGNUM_EQ(q, c); BN_free(a); BN_free(b); BN_free(c); @@ -151,9 +154,11 @@ sshkey_file_tests(void) a = load_bignum("dsa_1.param.g"); b = load_bignum("dsa_1.param.priv"); c = load_bignum("dsa_1.param.pub"); - ASSERT_BIGNUM_EQ(k1->dsa->g, a); - ASSERT_BIGNUM_EQ(k1->dsa->priv_key, b); - ASSERT_BIGNUM_EQ(k1->dsa->pub_key, c); + DSA_get0_pqg(k1->dsa, NULL, NULL, &g); + DSA_get0_key(k1->dsa, &pub_key, &priv_key); + ASSERT_BIGNUM_EQ(g, a); + ASSERT_BIGNUM_EQ(priv_key, b); + ASSERT_BIGNUM_EQ(pub_key, c); BN_free(a); BN_free(b); BN_free(c); Index: openssh-7.6p1/regress/unittests/sshkey/test_sshkey.c =================================================================== --- openssh-7.6p1.orig/regress/unittests/sshkey/test_sshkey.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/regress/unittests/sshkey/test_sshkey.c 2019-03-12 14:38:34.020923338 +0100 @@ -197,9 +197,6 @@ sshkey_tests(void) k1 = sshkey_new(KEY_RSA); ASSERT_PTR_NE(k1, NULL); ASSERT_PTR_NE(k1->rsa, NULL); - ASSERT_PTR_NE(k1->rsa->n, NULL); - ASSERT_PTR_NE(k1->rsa->e, NULL); - ASSERT_PTR_EQ(k1->rsa->p, NULL); sshkey_free(k1); TEST_DONE(); @@ -207,8 +204,6 @@ sshkey_tests(void) k1 = sshkey_new(KEY_DSA); ASSERT_PTR_NE(k1, NULL); ASSERT_PTR_NE(k1->dsa, NULL); - ASSERT_PTR_NE(k1->dsa->g, NULL); - ASSERT_PTR_EQ(k1->dsa->priv_key, NULL); sshkey_free(k1); TEST_DONE(); @@ -234,9 +229,6 @@ sshkey_tests(void) k1 = sshkey_new_private(KEY_RSA); ASSERT_PTR_NE(k1, NULL); ASSERT_PTR_NE(k1->rsa, NULL); - ASSERT_PTR_NE(k1->rsa->n, NULL); - ASSERT_PTR_NE(k1->rsa->e, NULL); - ASSERT_PTR_NE(k1->rsa->p, NULL); ASSERT_INT_EQ(sshkey_add_private(k1), 0); sshkey_free(k1); TEST_DONE(); @@ -245,8 +237,6 @@ sshkey_tests(void) k1 = sshkey_new_private(KEY_DSA); ASSERT_PTR_NE(k1, NULL); ASSERT_PTR_NE(k1->dsa, NULL); - ASSERT_PTR_NE(k1->dsa->g, NULL); - ASSERT_PTR_NE(k1->dsa->priv_key, NULL); ASSERT_INT_EQ(sshkey_add_private(k1), 0); sshkey_free(k1); TEST_DONE(); @@ -285,18 +275,13 @@ sshkey_tests(void) ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0); ASSERT_PTR_NE(kr, NULL); ASSERT_PTR_NE(kr->rsa, NULL); - ASSERT_PTR_NE(kr->rsa->n, NULL); - ASSERT_PTR_NE(kr->rsa->e, NULL); - ASSERT_PTR_NE(kr->rsa->p, NULL); - ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 1024); + ASSERT_INT_EQ(RSA_bits(kr->rsa), 1024); TEST_DONE(); TEST_START("generate KEY_DSA"); ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0); ASSERT_PTR_NE(kd, NULL); ASSERT_PTR_NE(kd->dsa, NULL); - ASSERT_PTR_NE(kd->dsa->g, NULL); - ASSERT_PTR_NE(kd->dsa->priv_key, NULL); TEST_DONE(); #ifdef OPENSSL_HAS_ECC @@ -323,9 +308,6 @@ sshkey_tests(void) ASSERT_PTR_NE(kr, k1); ASSERT_INT_EQ(k1->type, KEY_RSA); ASSERT_PTR_NE(k1->rsa, NULL); - ASSERT_PTR_NE(k1->rsa->n, NULL); - ASSERT_PTR_NE(k1->rsa->e, NULL); - ASSERT_PTR_EQ(k1->rsa->p, NULL); TEST_DONE(); TEST_START("equal KEY_RSA/demoted KEY_RSA"); @@ -339,8 +321,6 @@ sshkey_tests(void) ASSERT_PTR_NE(kd, k1); ASSERT_INT_EQ(k1->type, KEY_DSA); ASSERT_PTR_NE(k1->dsa, NULL); - ASSERT_PTR_NE(k1->dsa->g, NULL); - ASSERT_PTR_EQ(k1->dsa->priv_key, NULL); TEST_DONE(); TEST_START("equal KEY_DSA/demoted KEY_DSA"); Index: openssh-7.6p1/ssh-dss.c =================================================================== --- openssh-7.6p1.orig/ssh-dss.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/ssh-dss.c 2019-03-12 14:38:34.020923338 +0100 @@ -55,6 +55,7 @@ ssh_dss_sign(const struct sshkey *key, u size_t rlen, slen, len, dlen = ssh_digest_bytes(SSH_DIGEST_SHA1); struct sshbuf *b = NULL; int ret = SSH_ERR_INVALID_ARGUMENT; + const BIGNUM *r, *s; if (lenp != NULL) *lenp = 0; @@ -76,15 +77,16 @@ ssh_dss_sign(const struct sshkey *key, u goto out; } - rlen = BN_num_bytes(sig->r); - slen = BN_num_bytes(sig->s); + DSA_SIG_get0(sig, &r, &s); + rlen = BN_num_bytes(r); + slen = BN_num_bytes(s); if (rlen > INTBLOB_LEN || slen > INTBLOB_LEN) { ret = SSH_ERR_INTERNAL_ERROR; goto out; } explicit_bzero(sigblob, SIGBLOB_LEN); - BN_bn2bin(sig->r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen); - BN_bn2bin(sig->s, sigblob + SIGBLOB_LEN - slen); + BN_bn2bin(r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen); + BN_bn2bin(s, sigblob + SIGBLOB_LEN - slen); if (compat & SSH_BUG_SIGBLOB) { if (sigp != NULL) { @@ -137,6 +139,7 @@ ssh_dss_verify(const struct sshkey *key, int ret = SSH_ERR_INTERNAL_ERROR; struct sshbuf *b = NULL; char *ktype = NULL; + BIGNUM *r = NULL, *s = NULL; if (key == NULL || key->dsa == NULL || sshkey_type_plain(key->type) != KEY_DSA || @@ -177,16 +180,19 @@ ssh_dss_verify(const struct sshkey *key, /* parse signature */ if ((sig = DSA_SIG_new()) == NULL || - (sig->r = BN_new()) == NULL || - (sig->s = BN_new()) == NULL) { + (r = BN_new()) == NULL || + (s = BN_new()) == NULL) { ret = SSH_ERR_ALLOC_FAIL; goto out; } - if ((BN_bin2bn(sigblob, INTBLOB_LEN, sig->r) == NULL) || - (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s) == NULL)) { + if ((BN_bin2bn(sigblob, INTBLOB_LEN, r) == NULL) || + (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, s) == NULL) || + (DSA_SIG_set0(sig, r, s) == 0)) { ret = SSH_ERR_LIBCRYPTO_ERROR; goto out; } + r = NULL; + s = NULL; /* sha1 the data */ if ((ret = ssh_digest_memory(SSH_DIGEST_SHA1, data, datalen, @@ -207,8 +213,9 @@ ssh_dss_verify(const struct sshkey *key, out: explicit_bzero(digest, sizeof(digest)); - if (sig != NULL) - DSA_SIG_free(sig); + BN_free(r); + BN_free(s); + DSA_SIG_free(sig); sshbuf_free(b); free(ktype); if (sigblob != NULL) { Index: openssh-7.6p1/ssh-ecdsa.c =================================================================== --- openssh-7.6p1.orig/ssh-ecdsa.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/ssh-ecdsa.c 2019-03-12 14:38:34.020923338 +0100 @@ -54,6 +54,7 @@ ssh_ecdsa_sign(const struct sshkey *key, size_t len, dlen; struct sshbuf *b = NULL, *bb = NULL; int ret = SSH_ERR_INTERNAL_ERROR; + const BIGNUM *r, *s; if (lenp != NULL) *lenp = 0; @@ -80,8 +81,9 @@ ssh_ecdsa_sign(const struct sshkey *key, ret = SSH_ERR_ALLOC_FAIL; goto out; } - if ((ret = sshbuf_put_bignum2(bb, sig->r)) != 0 || - (ret = sshbuf_put_bignum2(bb, sig->s)) != 0) + ECDSA_SIG_get0(sig, &r, &s); + if ((ret = sshbuf_put_bignum2(bb, r)) != 0 || + (ret = sshbuf_put_bignum2(bb, s)) != 0) goto out; if ((ret = sshbuf_put_cstring(b, sshkey_ssh_name_plain(key))) != 0 || (ret = sshbuf_put_stringb(b, bb)) != 0) @@ -119,6 +121,7 @@ ssh_ecdsa_verify(const struct sshkey *ke int ret = SSH_ERR_INTERNAL_ERROR; struct sshbuf *b = NULL, *sigbuf = NULL; char *ktype = NULL; + BIGNUM *r = NULL, *s = NULL; if (key == NULL || key->ecdsa == NULL || sshkey_type_plain(key->type) != KEY_ECDSA || @@ -147,15 +150,23 @@ ssh_ecdsa_verify(const struct sshkey *ke } /* parse signature */ - if ((sig = ECDSA_SIG_new()) == NULL) { + if ((sig = ECDSA_SIG_new()) == NULL || + (r = BN_new()) == NULL || + (s = BN_new()) == NULL) { ret = SSH_ERR_ALLOC_FAIL; goto out; } - if (sshbuf_get_bignum2(sigbuf, sig->r) != 0 || - sshbuf_get_bignum2(sigbuf, sig->s) != 0) { + if (sshbuf_get_bignum2(sigbuf, r) != 0 || + sshbuf_get_bignum2(sigbuf, s) != 0) { ret = SSH_ERR_INVALID_FORMAT; goto out; } + if (ECDSA_SIG_set0(sig, r, s) == 0) { + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } + r = NULL; + s = NULL; if (sshbuf_len(sigbuf) != 0) { ret = SSH_ERR_UNEXPECTED_TRAILING_DATA; goto out; @@ -180,8 +191,9 @@ ssh_ecdsa_verify(const struct sshkey *ke explicit_bzero(digest, sizeof(digest)); sshbuf_free(sigbuf); sshbuf_free(b); - if (sig != NULL) - ECDSA_SIG_free(sig); + BN_free(r); + BN_free(s); + ECDSA_SIG_free(sig); free(ktype); return ret; } Index: openssh-7.6p1/ssh-keygen.c =================================================================== --- openssh-7.6p1.orig/ssh-keygen.c 2019-03-12 14:38:30.072901136 +0100 +++ openssh-7.6p1/ssh-keygen.c 2019-03-12 14:38:34.020923338 +0100 @@ -497,40 +497,67 @@ do_convert_private_ssh2_from_blob(u_char free(type); switch (key->type) { - case KEY_DSA: - buffer_get_bignum_bits(b, key->dsa->p); - buffer_get_bignum_bits(b, key->dsa->g); - buffer_get_bignum_bits(b, key->dsa->q); - buffer_get_bignum_bits(b, key->dsa->pub_key); - buffer_get_bignum_bits(b, key->dsa->priv_key); + case KEY_DSA: { + BIGNUM *p = NULL, *g = NULL, *q = NULL, *pub_key = NULL, *priv_key = NULL; + + if ((p = BN_new()) == NULL || + (g = BN_new()) == NULL || + (q = BN_new()) == NULL || + (pub_key = BN_new()) == NULL || + (priv_key = BN_new()) == NULL) + fatal("BN_new() failed"); + buffer_get_bignum_bits(b, p); + buffer_get_bignum_bits(b, g); + buffer_get_bignum_bits(b, q); + buffer_get_bignum_bits(b, pub_key); + buffer_get_bignum_bits(b, priv_key); + if (DSA_set0_pqg(key->dsa, p, q, g) == 0 || + DSA_set0_key(key->dsa, pub_key, priv_key) == 0) { + fatal("failed to set DSA key"); + } + } break; - case KEY_RSA: - if ((r = sshbuf_get_u8(b, &e1)) != 0 || - (e1 < 30 && (r = sshbuf_get_u8(b, &e2)) != 0) || - (e1 < 30 && (r = sshbuf_get_u8(b, &e3)) != 0)) - fatal("%s: buffer error: %s", __func__, ssh_err(r)); - e = e1; - debug("e %lx", e); - if (e < 30) { - e <<= 8; - e += e2; - debug("e %lx", e); - e <<= 8; - e += e3; + case KEY_RSA: { + BIGNUM *bn_e = NULL, *bn_d = NULL, *bn_n = NULL, *bn_iqmp = NULL, *bn_p = NULL, *bn_q = NULL; + + if ((bn_e = BN_new()) == NULL || + (bn_d = BN_new()) == NULL || + (bn_n = BN_new()) == NULL || + (bn_iqmp = BN_new()) == NULL || + (bn_p = BN_new()) == NULL || + (bn_q = BN_new()) == NULL) + fatal("BN_new() failed"); + + if ((r = sshbuf_get_u8(b, &e1)) != 0 || + (e1 < 30 && (r = sshbuf_get_u8(b, &e2)) != 0) || + (e1 < 30 && (r = sshbuf_get_u8(b, &e3)) != 0)) + fatal("%s: buffer error: %s", __func__, ssh_err(r)); + e = e1; debug("e %lx", e); + if (e < 30) { + e <<= 8; + e += e2; + debug("e %lx", e); + e <<= 8; + e += e3; + debug("e %lx", e); + } + if (!BN_set_word(bn_e, e)) { + sshbuf_free(b); + sshkey_free(key); + return NULL; + } + buffer_get_bignum_bits(b, bn_d); + buffer_get_bignum_bits(b, bn_n); + buffer_get_bignum_bits(b, bn_iqmp); + buffer_get_bignum_bits(b, bn_q); + buffer_get_bignum_bits(b, bn_p); + if (RSA_set0_key(key->rsa, bn_n, bn_e, bn_d) == 0 || + RSA_set0_factors(key->rsa, bn_p, bn_q) == 0) + fatal("Failed to set RSA parameters"); + if ((r = ssh_rsa_generate_additional_parameters(key, bn_iqmp)) != 0) + fatal("generate RSA parameters failed: %s", ssh_err(r)); } - if (!BN_set_word(key->rsa->e, e)) { - sshbuf_free(b); - sshkey_free(key); - return NULL; - } - buffer_get_bignum_bits(b, key->rsa->d); - buffer_get_bignum_bits(b, key->rsa->n); - buffer_get_bignum_bits(b, key->rsa->iqmp); - buffer_get_bignum_bits(b, key->rsa->q); - buffer_get_bignum_bits(b, key->rsa->p); - if ((r = ssh_rsa_generate_additional_parameters(key)) != 0) - fatal("generate RSA parameters failed: %s", ssh_err(r)); break; } rlen = sshbuf_len(b); @@ -638,7 +665,7 @@ do_convert_from_pkcs8(struct sshkey **k, identity_file); } fclose(fp); - switch (EVP_PKEY_type(pubkey->type)) { + switch (EVP_PKEY_base_id(pubkey)) { case EVP_PKEY_RSA: if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) fatal("sshkey_new failed"); @@ -662,7 +689,7 @@ do_convert_from_pkcs8(struct sshkey **k, #endif default: fatal("%s: unsupported pubkey type %d", __func__, - EVP_PKEY_type(pubkey->type)); + EVP_PKEY_base_id(pubkey)); } EVP_PKEY_free(pubkey); return; @@ -1813,6 +1840,7 @@ do_ca_sign(struct passwd *pw, int argc, #ifdef ENABLE_PKCS11 pkcs11_terminate(); #endif + free(ca); exit(0); } Index: openssh-7.6p1/ssh-pkcs11-client.c =================================================================== --- openssh-7.6p1.orig/ssh-pkcs11-client.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/ssh-pkcs11-client.c 2019-03-12 14:38:34.020923338 +0100 @@ -143,12 +143,16 @@ pkcs11_rsa_private_encrypt(int flen, con static int wrap_key(RSA *rsa) { - static RSA_METHOD helper_rsa; + static RSA_METHOD *helper_rsa; - memcpy(&helper_rsa, RSA_get_default_method(), sizeof(helper_rsa)); - helper_rsa.name = "ssh-pkcs11-helper"; - helper_rsa.rsa_priv_enc = pkcs11_rsa_private_encrypt; - RSA_set_method(rsa, &helper_rsa); + if (helper_rsa == NULL) { + helper_rsa = RSA_meth_dup(RSA_get_default_method()); + if (helper_rsa == NULL) + error("RSA_meth_dup failed"); + RSA_meth_set1_name(helper_rsa, "ssh-pkcs11-helper"); + RSA_meth_set_priv_enc(helper_rsa, pkcs11_rsa_private_encrypt); + } + RSA_set_method(rsa, helper_rsa); return (0); } Index: openssh-7.6p1/ssh-pkcs11.c =================================================================== --- openssh-7.6p1.orig/ssh-pkcs11.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/ssh-pkcs11.c 2019-03-12 14:38:34.020923338 +0100 @@ -67,7 +67,7 @@ struct pkcs11_key { struct pkcs11_provider *provider; CK_ULONG slotidx; int (*orig_finish)(RSA *rsa); - RSA_METHOD rsa_method; + RSA_METHOD *rsa_method; char *keyid; int keyid_len; }; @@ -183,6 +183,7 @@ pkcs11_rsa_finish(RSA *rsa) if (k11->provider) pkcs11_provider_unref(k11->provider); free(k11->keyid); + RSA_meth_free(k11->rsa_method); free(k11); } return (rv); @@ -326,13 +327,21 @@ pkcs11_rsa_wrap(struct pkcs11_provider * k11->keyid = xmalloc(k11->keyid_len); memcpy(k11->keyid, keyid_attrib->pValue, k11->keyid_len); } - k11->orig_finish = def->finish; - memcpy(&k11->rsa_method, def, sizeof(k11->rsa_method)); - k11->rsa_method.name = "pkcs11"; - k11->rsa_method.rsa_priv_enc = pkcs11_rsa_private_encrypt; - k11->rsa_method.rsa_priv_dec = pkcs11_rsa_private_decrypt; - k11->rsa_method.finish = pkcs11_rsa_finish; - RSA_set_method(rsa, &k11->rsa_method); + k11->orig_finish = RSA_meth_get_finish(def); + if ((k11->rsa_method = RSA_meth_dup(def)) == NULL || + RSA_meth_set1_name(k11->rsa_method, "pkcs11") == 0 || + RSA_meth_set_priv_enc(k11->rsa_method, pkcs11_rsa_private_encrypt) == 0 || + RSA_meth_set_priv_dec(k11->rsa_method, pkcs11_rsa_private_decrypt) == 0 || + RSA_meth_set_finish(k11->rsa_method, pkcs11_rsa_finish) == 0) { + RSA_meth_free(k11->rsa_method); + k11->rsa_method = NULL; + pkcs11_provider_unref(k11->provider); + free(k11->keyid); + free(k11); + return (-1); + } + + RSA_set_method(rsa, k11->rsa_method); RSA_set_app_data(rsa, k11); return (0); } @@ -460,6 +469,7 @@ pkcs11_fetch_keys_filter(struct pkcs11_p CK_ULONG nfound; CK_SESSION_HANDLE session; CK_FUNCTION_LIST *f; + const BIGNUM *n, *e; f = p->function_list; session = p->slotinfo[slotidx].session; @@ -512,10 +522,16 @@ pkcs11_fetch_keys_filter(struct pkcs11_p if ((rsa = RSA_new()) == NULL) { error("RSA_new failed"); } else { - rsa->n = BN_bin2bn(attribs[1].pValue, + BIGNUM *rsa_n, *rsa_e; + + rsa_n = BN_bin2bn(attribs[1].pValue, attribs[1].ulValueLen, NULL); - rsa->e = BN_bin2bn(attribs[2].pValue, + rsa_e = BN_bin2bn(attribs[2].pValue, attribs[2].ulValueLen, NULL); + if (rsa_n == NULL || rsa_e == NULL) + error("BN_bin2bn failed"); + if (RSA_set0_key(rsa, rsa_n, rsa_e, NULL) == 0) + error("RSA_set0_key failed"); } } else { cp = attribs[2].pValue; @@ -525,17 +541,19 @@ pkcs11_fetch_keys_filter(struct pkcs11_p == NULL) { error("d2i_X509 failed"); } else if ((evp = X509_get_pubkey(x509)) == NULL || - evp->type != EVP_PKEY_RSA || - evp->pkey.rsa == NULL) { + EVP_PKEY_id(evp) != EVP_PKEY_RSA || + EVP_PKEY_get0_RSA(evp) == NULL) { debug("X509_get_pubkey failed or no rsa"); - } else if ((rsa = RSAPublicKey_dup(evp->pkey.rsa)) + } else if ((rsa = RSAPublicKey_dup(EVP_PKEY_get0_RSA(evp))) == NULL) { error("RSAPublicKey_dup"); } if (x509) X509_free(x509); } - if (rsa && rsa->n && rsa->e && + if (rsa) + RSA_get0_key(rsa, &n, &e, NULL); + if (rsa && n && e && pkcs11_rsa_wrap(p, slotidx, &attribs[0], rsa) == 0) { if ((key = sshkey_new(KEY_UNSPEC)) == NULL) fatal("sshkey_new failed"); Index: openssh-7.6p1/ssh-rsa.c =================================================================== --- openssh-7.6p1.orig/ssh-rsa.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/ssh-rsa.c 2019-03-12 14:38:34.020923338 +0100 @@ -78,37 +78,46 @@ rsa_hash_alg_nid(int type) } } -/* calculate p-1 and q-1 */ +/* calculate d mod p-1 and d mod q-1 */ int -ssh_rsa_generate_additional_parameters(struct sshkey *key) +ssh_rsa_generate_additional_parameters(struct sshkey *key, BIGNUM *iqmp) { - RSA *rsa; BIGNUM *aux = NULL; BN_CTX *ctx = NULL; int r; + const BIGNUM *p, *q, *d; + BIGNUM *dmp1 = NULL, *dmq1 = NULL; if (key == NULL || key->rsa == NULL || sshkey_type_plain(key->type) != KEY_RSA) return SSH_ERR_INVALID_ARGUMENT; - if ((ctx = BN_CTX_new()) == NULL) - return SSH_ERR_ALLOC_FAIL; - if ((aux = BN_new()) == NULL) { + RSA_get0_factors(key->rsa, &p, &q); + RSA_get0_key(key->rsa, NULL, NULL, &d); + + if ((ctx = BN_CTX_new()) == NULL || + (aux = BN_new()) == NULL || + (dmp1 = BN_new()) == NULL || + (dmq1 = BN_new()) == NULL) { r = SSH_ERR_ALLOC_FAIL; goto out; } - rsa = key->rsa; - if ((BN_sub(aux, rsa->q, BN_value_one()) == 0) || - (BN_mod(rsa->dmq1, rsa->d, aux, ctx) == 0) || - (BN_sub(aux, rsa->p, BN_value_one()) == 0) || - (BN_mod(rsa->dmp1, rsa->d, aux, ctx) == 0)) { + if ((BN_sub(aux, q, BN_value_one()) == 0) || + (BN_mod(dmq1, d, aux, ctx) == 0) || + (BN_sub(aux, p, BN_value_one()) == 0) || + (BN_mod(dmp1, d, aux, ctx) == 0) || + (RSA_set0_crt_params(key->rsa, dmp1, dmq1, iqmp) == 0)) { r = SSH_ERR_LIBCRYPTO_ERROR; goto out; } + dmp1 = NULL; + dmq1 = NULL; r = 0; out: BN_clear_free(aux); + BN_clear_free(dmp1); + BN_clear_free(dmq1); BN_CTX_free(ctx); return r; } @@ -136,7 +145,7 @@ ssh_rsa_sign(const struct sshkey *key, u if (key == NULL || key->rsa == NULL || hash_alg == -1 || sshkey_type_plain(key->type) != KEY_RSA) return SSH_ERR_INVALID_ARGUMENT; - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) return SSH_ERR_KEY_LENGTH; slen = RSA_size(key->rsa); if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM) @@ -210,7 +219,7 @@ ssh_rsa_verify(const struct sshkey *key, sshkey_type_plain(key->type) != KEY_RSA || sig == NULL || siglen == 0) return SSH_ERR_INVALID_ARGUMENT; - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) return SSH_ERR_KEY_LENGTH; if ((b = sshbuf_from(sig, siglen)) == NULL) Index: openssh-7.6p1/ssh.c =================================================================== --- openssh-7.6p1.orig/ssh.c 2019-03-12 14:38:31.184907389 +0100 +++ openssh-7.6p1/ssh.c 2019-03-12 14:38:34.020923338 +0100 @@ -1257,6 +1257,7 @@ main(int ac, char **av) free(cp); } free(conn_hash_hex); + free(host_arg); if (config_test) { dump_client_config(&options, host); Index: openssh-7.6p1/sshconnect.c =================================================================== --- openssh-7.6p1.orig/sshconnect.c 2019-03-12 14:33:57.959377450 +0100 +++ openssh-7.6p1/sshconnect.c 2019-03-12 14:38:34.020923338 +0100 @@ -1310,6 +1310,7 @@ ssh_login(Sensitive *sensitive, const ch char *server_user, *local_user; local_user = xstrdup(pw->pw_name); + free(pw); server_user = options.user ? options.user : local_user; /* Convert the user-supplied hostname into all lowercase. */ Index: openssh-7.6p1/sshconnect2.c =================================================================== --- openssh-7.6p1.orig/sshconnect2.c 2019-03-12 14:38:32.428914385 +0100 +++ openssh-7.6p1/sshconnect2.c 2019-03-12 14:38:34.020923338 +0100 @@ -411,6 +411,7 @@ ssh_kex2(char *host, struct sockaddr *ho packet_send(); packet_write_wait(); #endif + /* XXX free myproposal ?? */ } /* Index: openssh-7.6p1/sshkey.c =================================================================== --- openssh-7.6p1.orig/sshkey.c 2019-03-12 14:38:33.272919131 +0100 +++ openssh-7.6p1/sshkey.c 2019-03-12 14:38:34.020923338 +0100 @@ -265,10 +265,10 @@ sshkey_size(const struct sshkey *k) #ifdef WITH_OPENSSL case KEY_RSA: case KEY_RSA_CERT: - return BN_num_bits(k->rsa->n); + return RSA_bits(k->rsa); case KEY_DSA: case KEY_DSA_CERT: - return BN_num_bits(k->dsa->p); + return DSA_bits(k->dsa); case KEY_ECDSA: case KEY_ECDSA_CERT: return sshkey_curve_nid_to_bits(k->ecdsa_nid); @@ -294,6 +294,31 @@ sshkey_type_is_valid_ca(int type) } } + +static int +sshkey_is_private_rsa(const RSA *r) +{ + const BIGNUM *d; + int rv; + + RSA_get0_key(r, NULL, NULL, &d); + rv = (d != NULL); + d = NULL; + return rv; +} + +static int +sshkey_is_private_dsa(const DSA *d) +{ + const BIGNUM *priv_key; + int rv; + + DSA_get0_key(d, NULL, &priv_key); + rv = (priv_key != NULL); + priv_key = NULL; + return rv; +} + int sshkey_is_private(const struct sshkey *k) { @@ -301,10 +326,10 @@ sshkey_is_private(const struct sshkey *k #ifdef WITH_OPENSSL case KEY_RSA_CERT: case KEY_RSA: - return k->rsa->d != NULL; + return sshkey_is_private_rsa(k->rsa); case KEY_DSA_CERT: case KEY_DSA: - return k->dsa->priv_key != NULL; + return sshkey_is_private_dsa(k->dsa); #ifdef OPENSSL_HAS_ECC case KEY_ECDSA_CERT: case KEY_ECDSA: @@ -493,11 +518,7 @@ sshkey_new(int type) #ifdef WITH_OPENSSL case KEY_RSA: case KEY_RSA_CERT: - if ((rsa = RSA_new()) == NULL || - (rsa->n = BN_new()) == NULL || - (rsa->e = BN_new()) == NULL) { - if (rsa != NULL) - RSA_free(rsa); + if ((rsa = RSA_new()) == NULL) { free(k); return NULL; } @@ -505,13 +526,7 @@ sshkey_new(int type) break; case KEY_DSA: case KEY_DSA_CERT: - if ((dsa = DSA_new()) == NULL || - (dsa->p = BN_new()) == NULL || - (dsa->q = BN_new()) == NULL || - (dsa->g = BN_new()) == NULL || - (dsa->pub_key = BN_new()) == NULL) { - if (dsa != NULL) - DSA_free(dsa); + if ((dsa = DSA_new()) == NULL) { free(k); return NULL; } @@ -550,21 +565,10 @@ sshkey_add_private(struct sshkey *k) #ifdef WITH_OPENSSL case KEY_RSA: case KEY_RSA_CERT: -#define bn_maybe_alloc_failed(p) (p == NULL && (p = BN_new()) == NULL) - if (bn_maybe_alloc_failed(k->rsa->d) || - bn_maybe_alloc_failed(k->rsa->iqmp) || - bn_maybe_alloc_failed(k->rsa->q) || - bn_maybe_alloc_failed(k->rsa->p) || - bn_maybe_alloc_failed(k->rsa->dmq1) || - bn_maybe_alloc_failed(k->rsa->dmp1)) - return SSH_ERR_ALLOC_FAIL; break; case KEY_DSA: case KEY_DSA_CERT: - if (bn_maybe_alloc_failed(k->dsa->priv_key)) - return SSH_ERR_ALLOC_FAIL; break; -#undef bn_maybe_alloc_failed case KEY_ECDSA: case KEY_ECDSA_CERT: /* Cannot do anything until we know the group */ @@ -681,17 +685,31 @@ sshkey_equal_public(const struct sshkey switch (a->type) { #ifdef WITH_OPENSSL case KEY_RSA_CERT: - case KEY_RSA: - return a->rsa != NULL && b->rsa != NULL && - BN_cmp(a->rsa->e, b->rsa->e) == 0 && - BN_cmp(a->rsa->n, b->rsa->n) == 0; + case KEY_RSA: { + const BIGNUM *a_e, *a_n, *b_e, *b_n; + + if (a->rsa == NULL || b->rsa == NULL) + return 0; + RSA_get0_key(a->rsa, &a_n, &a_e, NULL); + RSA_get0_key(b->rsa, &b_n, &b_e, NULL); + return BN_cmp(a_e, b_e) == 0 && BN_cmp(a_n, b_n) == 0; + } case KEY_DSA_CERT: - case KEY_DSA: - return a->dsa != NULL && b->dsa != NULL && - BN_cmp(a->dsa->p, b->dsa->p) == 0 && - BN_cmp(a->dsa->q, b->dsa->q) == 0 && - BN_cmp(a->dsa->g, b->dsa->g) == 0 && - BN_cmp(a->dsa->pub_key, b->dsa->pub_key) == 0; + case KEY_DSA: { + const BIGNUM *a_p, *a_q, *a_g, *a_pub_key; + const BIGNUM *b_p, *b_q, *b_g, *b_pub_key; + + if (a->dsa == NULL || b->dsa == NULL) + return 0; + DSA_get0_pqg(a->dsa, &a_p, &a_q, &a_g); + DSA_get0_key(a->dsa, &a_pub_key, NULL); + DSA_get0_pqg(b->dsa, &b_p, &b_q, &b_g); + DSA_get0_key(b->dsa, &b_pub_key, NULL); + return BN_cmp(a_p, b_p) == 0 && + BN_cmp(a_q, b_q) == 0 && + BN_cmp(a_g, b_g) == 0 && + BN_cmp(a_pub_key, b_pub_key) == 0; + } # ifdef OPENSSL_HAS_ECC case KEY_ECDSA_CERT: case KEY_ECDSA: @@ -766,15 +784,21 @@ to_blob_buf(const struct sshkey *key, st return ret; break; #ifdef WITH_OPENSSL - case KEY_DSA: - if (key->dsa == NULL) - return SSH_ERR_INVALID_ARGUMENT; - if ((ret = sshbuf_put_cstring(b, typename)) != 0 || - (ret = sshbuf_put_bignum2(b, key->dsa->p)) != 0 || - (ret = sshbuf_put_bignum2(b, key->dsa->q)) != 0 || - (ret = sshbuf_put_bignum2(b, key->dsa->g)) != 0 || - (ret = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0) - return ret; + case KEY_DSA: { + const BIGNUM *p, *q, *g, *pub_key; + + if (key->dsa == NULL) + return SSH_ERR_INVALID_ARGUMENT; + + DSA_get0_pqg(key->dsa, &p, &q, &g); + DSA_get0_key(key->dsa, &pub_key, NULL); + if ((ret = sshbuf_put_cstring(b, typename)) != 0 || + (ret = sshbuf_put_bignum2(b, p)) != 0 || + (ret = sshbuf_put_bignum2(b, q)) != 0 || + (ret = sshbuf_put_bignum2(b, g)) != 0 || + (ret = sshbuf_put_bignum2(b, pub_key)) != 0) + return ret; + } break; # ifdef OPENSSL_HAS_ECC case KEY_ECDSA: @@ -787,13 +811,18 @@ to_blob_buf(const struct sshkey *key, st return ret; break; # endif - case KEY_RSA: - if (key->rsa == NULL) - return SSH_ERR_INVALID_ARGUMENT; - if ((ret = sshbuf_put_cstring(b, typename)) != 0 || - (ret = sshbuf_put_bignum2(b, key->rsa->e)) != 0 || - (ret = sshbuf_put_bignum2(b, key->rsa->n)) != 0) - return ret; + case KEY_RSA: { + const BIGNUM *e, *n; + + if (key->rsa == NULL) + return SSH_ERR_INVALID_ARGUMENT; + + RSA_get0_key(key->rsa, &n, &e, NULL); + if ((ret = sshbuf_put_cstring(b, typename)) != 0 || + (ret = sshbuf_put_bignum2(b, e)) != 0 || + (ret = sshbuf_put_bignum2(b, n)) != 0) + return ret; + } break; #endif /* WITH_OPENSSL */ case KEY_ED25519: @@ -1667,15 +1696,32 @@ sshkey_from_private(const struct sshkey switch (k->type) { #ifdef WITH_OPENSSL case KEY_DSA: - case KEY_DSA_CERT: - if ((n = sshkey_new(k->type)) == NULL) - return SSH_ERR_ALLOC_FAIL; - if ((BN_copy(n->dsa->p, k->dsa->p) == NULL) || - (BN_copy(n->dsa->q, k->dsa->q) == NULL) || - (BN_copy(n->dsa->g, k->dsa->g) == NULL) || - (BN_copy(n->dsa->pub_key, k->dsa->pub_key) == NULL)) { - sshkey_free(n); - return SSH_ERR_ALLOC_FAIL; + case KEY_DSA_CERT: { + const BIGNUM *k_p, *k_q, *k_g, *k_pub_key; + BIGNUM *n_p = NULL, *n_q = NULL, *n_g = NULL, *n_pub_key = NULL; + + if ((n = sshkey_new(k->type)) == NULL) + return SSH_ERR_ALLOC_FAIL; + + DSA_get0_pqg(k->dsa, &k_p, &k_q, &k_g); + DSA_get0_key(k->dsa, &k_pub_key, NULL); + + if (((n_p = BN_dup(k_p)) == NULL) || + ((n_q = BN_dup(k_q)) == NULL) || + ((n_g = BN_dup(k_g)) == NULL) || + (DSA_set0_pqg(n->dsa, n_p, n_q, n_g) == 0)) { + sshkey_free(n); + BN_free(n_p); + BN_free(n_q); + BN_free(n_g); + return SSH_ERR_ALLOC_FAIL; + } + if (((n_pub_key = BN_dup(k_pub_key)) == NULL) || + (DSA_set0_key(n->dsa, n_pub_key, NULL) == 0)) { + sshkey_free(n); + BN_free(n_pub_key); + return SSH_ERR_ALLOC_FAIL; + } } break; # ifdef OPENSSL_HAS_ECC @@ -1697,13 +1743,22 @@ sshkey_from_private(const struct sshkey break; # endif /* OPENSSL_HAS_ECC */ case KEY_RSA: - case KEY_RSA_CERT: - if ((n = sshkey_new(k->type)) == NULL) - return SSH_ERR_ALLOC_FAIL; - if ((BN_copy(n->rsa->n, k->rsa->n) == NULL) || - (BN_copy(n->rsa->e, k->rsa->e) == NULL)) { - sshkey_free(n); - return SSH_ERR_ALLOC_FAIL; + case KEY_RSA_CERT: { + const BIGNUM *k_n, *k_e; + BIGNUM *n_n = NULL, *n_e = NULL; + + if ((n = sshkey_new(k->type)) == NULL) + return SSH_ERR_ALLOC_FAIL; + + RSA_get0_key(k->rsa, &k_n, &k_e, NULL); + if (((n_n = BN_dup(k_n)) == NULL) || + ((n_e = BN_dup(k_e)) == NULL) || + RSA_set0_key(n->rsa, n_n, n_e, NULL) == 0) { + sshkey_free(n); + BN_free(n_n); + BN_free(n_e); + return SSH_ERR_ALLOC_FAIL; + } } break; #endif /* WITH_OPENSSL */ @@ -1902,12 +1957,22 @@ sshkey_from_blob_internal(struct sshbuf ret = SSH_ERR_ALLOC_FAIL; goto out; } - if (sshbuf_get_bignum2(b, key->rsa->e) != 0 || - sshbuf_get_bignum2(b, key->rsa->n) != 0) { - ret = SSH_ERR_INVALID_FORMAT; - goto out; + { + BIGNUM *e, *n; + + e = BN_new(); + n = BN_new(); + if (e == NULL || n == NULL || + sshbuf_get_bignum2(b, e) != 0 || + sshbuf_get_bignum2(b, n) != 0 || + RSA_set0_key(key->rsa, n, e, NULL) == 0) { + BN_free(e); + BN_free(n); + ret = SSH_ERR_ALLOC_FAIL; + goto out; + } } - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { ret = SSH_ERR_KEY_LENGTH; goto out; } @@ -1927,12 +1992,34 @@ sshkey_from_blob_internal(struct sshbuf ret = SSH_ERR_ALLOC_FAIL; goto out; } - if (sshbuf_get_bignum2(b, key->dsa->p) != 0 || - sshbuf_get_bignum2(b, key->dsa->q) != 0 || - sshbuf_get_bignum2(b, key->dsa->g) != 0 || - sshbuf_get_bignum2(b, key->dsa->pub_key) != 0) { - ret = SSH_ERR_INVALID_FORMAT; - goto out; + { + BIGNUM *p, *q, *g, *pub_key; + + p = BN_new(); + q = BN_new(); + g = BN_new(); + pub_key = BN_new(); + + if (p == NULL || q == NULL || g == NULL || + pub_key == NULL || + sshbuf_get_bignum2(b, p) != 0 || + sshbuf_get_bignum2(b, q) != 0 || + sshbuf_get_bignum2(b, g) != 0 || + sshbuf_get_bignum2(b, pub_key) != 0 || + DSA_set0_pqg(key->dsa, p, q, g) == 0) { + BN_free(p); + BN_free(q); + BN_free(g); + BN_free(pub_key); + ret = SSH_ERR_ALLOC_FAIL; + goto out; + } + + if (DSA_set0_key(key->dsa, pub_key, NULL) == 0) { + BN_free(pub_key); + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } } #ifdef DEBUG_PK DSA_print_fp(stderr, key->dsa, 8); @@ -2166,26 +2253,53 @@ sshkey_demote(const struct sshkey *k, st if ((ret = sshkey_cert_copy(k, pk)) != 0) goto fail; /* FALLTHROUGH */ - case KEY_RSA: - if ((pk->rsa = RSA_new()) == NULL || - (pk->rsa->e = BN_dup(k->rsa->e)) == NULL || - (pk->rsa->n = BN_dup(k->rsa->n)) == NULL) { - ret = SSH_ERR_ALLOC_FAIL; - goto fail; + case KEY_RSA: { + const BIGNUM *k_e, *k_n; + BIGNUM *pk_e = NULL, *pk_n = NULL; + + RSA_get0_key(k->rsa, &k_n, &k_e, NULL); + if ((pk->rsa = RSA_new()) == NULL || + (pk_e = BN_dup(k_e)) == NULL || + (pk_n = BN_dup(k_n)) == NULL || + RSA_set0_key(pk->rsa, pk_n, pk_e, NULL) == 0) { + BN_free(pk_e); + BN_free(pk_n); + ret = SSH_ERR_ALLOC_FAIL; + goto fail; } + } break; case KEY_DSA_CERT: if ((ret = sshkey_cert_copy(k, pk)) != 0) goto fail; /* FALLTHROUGH */ - case KEY_DSA: - if ((pk->dsa = DSA_new()) == NULL || - (pk->dsa->p = BN_dup(k->dsa->p)) == NULL || - (pk->dsa->q = BN_dup(k->dsa->q)) == NULL || - (pk->dsa->g = BN_dup(k->dsa->g)) == NULL || - (pk->dsa->pub_key = BN_dup(k->dsa->pub_key)) == NULL) { - ret = SSH_ERR_ALLOC_FAIL; - goto fail; + case KEY_DSA: { + const BIGNUM *k_p, *k_q, *k_g, *k_pub_key; + BIGNUM *pk_p = NULL, *pk_q = NULL, *pk_g = NULL; + BIGNUM *pk_pub_key = NULL; + + DSA_get0_pqg(k->dsa, &k_p, &k_q, &k_g); + DSA_get0_key(k->dsa, &k_pub_key, NULL); + + if ((pk->dsa = DSA_new()) == NULL || + (pk_p = BN_dup(k_p)) == NULL || + (pk_q = BN_dup(k_q)) == NULL || + (pk_g = BN_dup(k_g)) == NULL || + (pk_pub_key = BN_dup(k_pub_key)) == NULL || + DSA_set0_pqg(pk->dsa, pk_p, pk_q, pk_g) == 0) { + BN_free(pk_p); + BN_free(pk_q); + BN_free(pk_g); + BN_free(pk_pub_key); + ret = SSH_ERR_ALLOC_FAIL; + goto fail; + } + + if (DSA_set0_key(pk->dsa, pk_pub_key, NULL) == 0) { + BN_free(pk_pub_key); + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto fail; + } } break; case KEY_ECDSA_CERT: @@ -2307,12 +2421,17 @@ sshkey_certify_custom(struct sshkey *k, /* XXX this substantially duplicates to_blob(); refactor */ switch (k->type) { #ifdef WITH_OPENSSL - case KEY_DSA_CERT: - if ((ret = sshbuf_put_bignum2(cert, k->dsa->p)) != 0 || - (ret = sshbuf_put_bignum2(cert, k->dsa->q)) != 0 || - (ret = sshbuf_put_bignum2(cert, k->dsa->g)) != 0 || - (ret = sshbuf_put_bignum2(cert, k->dsa->pub_key)) != 0) - goto out; + case KEY_DSA_CERT: { + const BIGNUM *p, *q, *g, *pub_key; + + DSA_get0_pqg(k->dsa, &p, &q, &g); + DSA_get0_key(k->dsa, &pub_key, NULL); + if ((ret = sshbuf_put_bignum2(cert, p)) != 0 || + (ret = sshbuf_put_bignum2(cert, q)) != 0 || + (ret = sshbuf_put_bignum2(cert, g)) != 0 || + (ret = sshbuf_put_bignum2(cert, pub_key)) != 0) + goto out; + } break; # ifdef OPENSSL_HAS_ECC case KEY_ECDSA_CERT: @@ -2324,10 +2443,15 @@ sshkey_certify_custom(struct sshkey *k, goto out; break; # endif /* OPENSSL_HAS_ECC */ - case KEY_RSA_CERT: - if ((ret = sshbuf_put_bignum2(cert, k->rsa->e)) != 0 || - (ret = sshbuf_put_bignum2(cert, k->rsa->n)) != 0) - goto out; + case KEY_RSA_CERT: { + const BIGNUM *e, *n; + + RSA_get0_key(k->rsa, &n, &e, NULL); + if (e == NULL || n == NULL || + (ret = sshbuf_put_bignum2(cert, e)) != 0 || + (ret = sshbuf_put_bignum2(cert, n)) != 0) + goto out; + } break; #endif /* WITH_OPENSSL */ case KEY_ED25519_CERT: @@ -2500,43 +2624,65 @@ sshkey_private_serialize(const struct ss goto out; switch (key->type) { #ifdef WITH_OPENSSL - case KEY_RSA: - if ((r = sshbuf_put_bignum2(b, key->rsa->n)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->e)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0) - goto out; + case KEY_RSA: { + const BIGNUM *n, *e, *d, *iqmp, *p, *q; + RSA_get0_key(key->rsa, &n, &e, &d); + RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp); + RSA_get0_factors(key->rsa, &p, &q); + if ((r = sshbuf_put_bignum2(b, n)) != 0 || + (r = sshbuf_put_bignum2(b, e)) != 0 || + (r = sshbuf_put_bignum2(b, d)) != 0 || + (r = sshbuf_put_bignum2(b, iqmp)) != 0 || + (r = sshbuf_put_bignum2(b, p)) != 0 || + (r = sshbuf_put_bignum2(b, q)) != 0) + goto out; + } break; case KEY_RSA_CERT: if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) { r = SSH_ERR_INVALID_ARGUMENT; goto out; } - if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 || - (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0) - goto out; + { + const BIGNUM *d, *iqmp, *p, *q; + + RSA_get0_key(key->rsa, NULL, NULL, &d); + RSA_get0_factors(key->rsa, &p, &q); + RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp); + if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || + (r = sshbuf_put_bignum2(b, d)) != 0 || + (r = sshbuf_put_bignum2(b, iqmp)) != 0 || + (r = sshbuf_put_bignum2(b, p)) != 0 || + (r = sshbuf_put_bignum2(b, q)) != 0) + goto out; + } break; - case KEY_DSA: - if ((r = sshbuf_put_bignum2(b, key->dsa->p)) != 0 || - (r = sshbuf_put_bignum2(b, key->dsa->q)) != 0 || - (r = sshbuf_put_bignum2(b, key->dsa->g)) != 0 || - (r = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0 || - (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0) - goto out; + case KEY_DSA: { + const BIGNUM *p, *q, *g, *pub_key, *priv_key; + + DSA_get0_pqg(key->dsa, &p, &q, &g); + DSA_get0_key(key->dsa, &pub_key, &priv_key); + if ((r = sshbuf_put_bignum2(b, p)) != 0 || + (r = sshbuf_put_bignum2(b, q)) != 0 || + (r = sshbuf_put_bignum2(b, g)) != 0 || + (r = sshbuf_put_bignum2(b, pub_key)) != 0 || + (r = sshbuf_put_bignum2(b, priv_key)) != 0) + goto out; + } break; case KEY_DSA_CERT: if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) { r = SSH_ERR_INVALID_ARGUMENT; goto out; } - if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || - (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0) - goto out; + { + const BIGNUM *priv_key; + + DSA_get0_key(key->dsa, NULL, &priv_key); + if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || + (r = sshbuf_put_bignum2(b, priv_key)) != 0) + goto out; + } break; # ifdef OPENSSL_HAS_ECC case KEY_ECDSA: @@ -2612,18 +2758,51 @@ sshkey_private_deserialize(struct sshbuf r = SSH_ERR_ALLOC_FAIL; goto out; } - if ((r = sshbuf_get_bignum2(buf, k->dsa->p)) != 0 || - (r = sshbuf_get_bignum2(buf, k->dsa->q)) != 0 || - (r = sshbuf_get_bignum2(buf, k->dsa->g)) != 0 || - (r = sshbuf_get_bignum2(buf, k->dsa->pub_key)) != 0 || - (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0) - goto out; + { + BIGNUM *p, *q, *g, *pub_key, *priv_key; + + p = BN_new(); + q = BN_new(); + g = BN_new(); + pub_key = BN_new(); + priv_key = BN_new(); + if (p == NULL || q == NULL || g == NULL || + pub_key == NULL || priv_key == NULL || + (r = sshbuf_get_bignum2(buf, p)) != 0 || + (r = sshbuf_get_bignum2(buf, q)) != 0 || + (r = sshbuf_get_bignum2(buf, g)) != 0 || + (r = sshbuf_get_bignum2(buf, pub_key)) != 0 || + (r = sshbuf_get_bignum2(buf, priv_key)) != 0 || + (r = ((DSA_set0_pqg(k->dsa, p, q, g) == 0) + ? SSH_ERR_LIBCRYPTO_ERROR : 0)) != 0) { + BN_free(p); + BN_free(q); + BN_free(g); + BN_free(pub_key); + BN_free(priv_key); + goto out; + } + if (DSA_set0_key(k->dsa, pub_key, priv_key) == 0) { + r = SSH_ERR_LIBCRYPTO_ERROR; + BN_free(pub_key); + BN_free(priv_key); + goto out; + } + } break; - case KEY_DSA_CERT: - if ((r = sshkey_froms(buf, &k)) != 0 || - (r = sshkey_add_private(k)) != 0 || - (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0) - goto out; + case KEY_DSA_CERT: { + BIGNUM *priv_key = BN_new(); + + if (priv_key == NULL || + (r = sshkey_froms(buf, &k)) != 0 || + (r = sshkey_add_private(k)) != 0 || + (r = sshbuf_get_bignum2(buf, priv_key)) != 0 || + (r = ((DSA_set0_key(k->dsa, NULL, priv_key) == 0) + ? SSH_ERR_LIBCRYPTO_ERROR : 0)) != 0) { + BN_free(priv_key); + goto out; + } + } break; # ifdef OPENSSL_HAS_ECC case KEY_ECDSA: @@ -2682,29 +2861,89 @@ sshkey_private_deserialize(struct sshbuf r = SSH_ERR_ALLOC_FAIL; goto out; } - if ((r = sshbuf_get_bignum2(buf, k->rsa->n)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->e)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 || - (r = ssh_rsa_generate_additional_parameters(k)) != 0) - goto out; - if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { + { + BIGNUM *n, *e, *d, *iqmp, *p, *q; + + n = BN_new(); + e = BN_new(); + d = BN_new(); + iqmp = BN_new(); + p = BN_new(); + q = BN_new(); + + if (n == NULL || e == NULL || d == NULL || + iqmp == NULL || p == NULL || q == NULL || + (r = sshbuf_get_bignum2(buf, n)) != 0 || + (r = sshbuf_get_bignum2(buf, e)) != 0 || + (r = sshbuf_get_bignum2(buf, d)) != 0 || + (r = sshbuf_get_bignum2(buf, iqmp)) != 0 || + (r = sshbuf_get_bignum2(buf, p)) != 0 || + (r = sshbuf_get_bignum2(buf, q)) != 0 || + (r = ((RSA_set0_key(k->rsa, n, e, d) == 0) + ? SSH_ERR_LIBCRYPTO_ERROR : 0)) != 0) { + BN_free(n); + BN_free(e); + BN_free(d); + BN_free(iqmp); + BN_free(p); + BN_free(q); + goto out; + } + if (RSA_set0_factors(k->rsa, p, q) == 0) { + r = SSH_ERR_LIBCRYPTO_ERROR; + BN_free(iqmp); + BN_free(p); + BN_free(q); + goto out; + } + if ((r = ssh_rsa_generate_additional_parameters(k, iqmp)) != 0) { + BN_free(iqmp); + goto out; + } + } + if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { r = SSH_ERR_KEY_LENGTH; goto out; } break; - case KEY_RSA_CERT: - if ((r = sshkey_froms(buf, &k)) != 0 || - (r = sshkey_add_private(k)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 || - (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 || - (r = ssh_rsa_generate_additional_parameters(k)) != 0) - goto out; - if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { + case KEY_RSA_CERT: { + BIGNUM *d, *iqmp, *p, *q; + + /* N and E are already set so make sure we will not overwrite them */ + d = BN_new(); + iqmp = BN_new(); + p = BN_new(); + q = BN_new(); + + if (d == NULL || iqmp == NULL || p == NULL || + q == NULL || + (r = sshkey_froms(buf, &k)) != 0 || + (r = sshkey_add_private(k)) != 0 || + (r = sshbuf_get_bignum2(buf, d)) != 0 || + (r = sshbuf_get_bignum2(buf, iqmp)) != 0 || + (r = sshbuf_get_bignum2(buf, p)) != 0 || + (r = sshbuf_get_bignum2(buf, q)) != 0 || + (r = ((RSA_set0_key(k->rsa, NULL, NULL, d) == 0) + ? SSH_ERR_LIBCRYPTO_ERROR : 0)) != 0) { + BN_free(d); + BN_free(iqmp); + BN_free(p); + BN_free(q); + goto out; + } + if (RSA_set0_factors(k->rsa, p, q) == 0) { + r = SSH_ERR_LIBCRYPTO_ERROR; + BN_free(p); + BN_free(q); + goto out; + } + if (ssh_rsa_generate_additional_parameters(k, iqmp) != 0) { + r = SSH_ERR_LIBCRYPTO_ERROR; + free(iqmp); + goto out; + } + } + if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { r = SSH_ERR_KEY_LENGTH; goto out; } @@ -3422,7 +3661,9 @@ translate_libcrypto_error(unsigned long switch (pem_reason) { case EVP_R_BAD_DECRYPT: return SSH_ERR_KEY_WRONG_PASSPHRASE; +#ifdef EVP_R_BN_DECODE_ERROR case EVP_R_BN_DECODE_ERROR: +#endif case EVP_R_DECODE_ERROR: #ifdef EVP_R_PRIVATE_KEY_DECODE_ERROR case EVP_R_PRIVATE_KEY_DECODE_ERROR: @@ -3487,7 +3728,7 @@ sshkey_parse_private_pem_fileblob(struct r = convert_libcrypto_error(); goto out; } - if (pk->type == EVP_PKEY_RSA && + if (EVP_PKEY_id(pk) == EVP_PKEY_RSA && (type == KEY_UNSPEC || type == KEY_RSA)) { if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { r = SSH_ERR_ALLOC_FAIL; @@ -3502,11 +3743,11 @@ sshkey_parse_private_pem_fileblob(struct r = SSH_ERR_LIBCRYPTO_ERROR; goto out; } - if (BN_num_bits(prv->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { + if (RSA_bits(prv->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { r = SSH_ERR_KEY_LENGTH; goto out; } - } else if (pk->type == EVP_PKEY_DSA && + } else if (EVP_PKEY_id(pk) == EVP_PKEY_DSA && (type == KEY_UNSPEC || type == KEY_DSA)) { if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { r = SSH_ERR_ALLOC_FAIL; @@ -3518,7 +3759,7 @@ sshkey_parse_private_pem_fileblob(struct DSA_print_fp(stderr, prv->dsa, 8); #endif #ifdef OPENSSL_HAS_ECC - } else if (pk->type == EVP_PKEY_EC && + } else if (EVP_PKEY_id(pk) == EVP_PKEY_EC && (type == KEY_UNSPEC || type == KEY_ECDSA)) { if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { r = SSH_ERR_ALLOC_FAIL; Index: openssh-7.6p1/sshkey.h =================================================================== --- openssh-7.6p1.orig/sshkey.h 2019-03-12 14:38:33.272919131 +0100 +++ openssh-7.6p1/sshkey.h 2019-03-12 14:38:34.020923338 +0100 @@ -199,7 +199,7 @@ int sshkey_parse_private_fileblob_type(s const char *passphrase, struct sshkey **keyp, char **commentp); /* XXX should be internal, but used by ssh-keygen */ -int ssh_rsa_generate_additional_parameters(struct sshkey *); +int ssh_rsa_generate_additional_parameters(struct sshkey *, BIGNUM *iqmp); #ifdef SSHKEY_INTERNAL int ssh_rsa_sign(const struct sshkey *key,
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