diff --git a/recipes/ssh/recipe.sh b/recipes/ssh/recipe.sh
new file mode 100644
index 0000000000000000000000000000000000000000..7f9683490c2e8dcbb6cd5d79677237b6a55deef8
--- /dev/null
+++ b/recipes/ssh/recipe.sh
@@ -0,0 +1,50 @@
+VERSION=7.6p1
+TAR=http://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-$VERSION.tar.gz
+BUILD_DEPENDS=(zlib openssl1.0 newlib)
+
+export AR="${HOST}-ar"
+export AS="${HOST}-as"
+export CC="${HOST}-gcc"
+export CXX="${HOST}-g++"
+export LD="${HOST}-gcc"
+export NM="${HOST}-nm"
+export OBJCOPY="${HOST}-objcopy"
+export OBJDUMP="${HOST}-objdump"
+export RANLIB="${HOST}-ranlib"
+export READELF="${HOST}-readelf"
+export STRIP="${HOST}-strip"
+
+function recipe_version {
+ echo "$VERSION"
+ skip=1
+}
+
+function recipe_update {
+ echo "skipping update"
+ skip=1
+}
+
+function recipe_build {
+ sysroot="${PWD}/../sysroot"
+ export LDFLAGS="-L$sysroot/lib"
+ export CPPFLAGS="-I$sysroot/include"
+ ./configure --host=${HOST} --prefix=/
+ make
+ skip=1
+}
+
+function recipe_test {
+ echo "skipping test"
+ skip=1
+}
+
+function recipe_clean {
+ make clean
+ skip=1
+}
+
+function recipe_stage {
+ dest="$(realpath $1)"
+ make DESTDIR="$dest" install
+ skip=1
+}
diff --git a/recipes/ssh/ssh.patch b/recipes/ssh/ssh.patch
new file mode 100644
index 0000000000000000000000000000000000000000..6774b66001245c9db87a49a81d73845480fb2e44
--- /dev/null
+++ b/recipes/ssh/ssh.patch
@@ -0,0 +1,4082 @@
+Only in source-new: addrmatch.o
+diff -ru source/atomicio.c source-new/atomicio.c
+--- source/atomicio.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/atomicio.c 2017-11-02 18:31:51.855545895 -0700
+@@ -116,7 +116,7 @@
+
+ #ifndef BROKEN_READV_COMPARISON
+ pfd.fd = fd;
+- pfd.events = f == readv ? POLLIN : POLLOUT;
++ //pfd.events = f == readv ? POLLIN : POLLOUT;
+ #endif
+ for (; iovcnt > 0 && iov[0].iov_len > 0;) {
+ res = (f) (fd, iov, iovcnt);
+iff -ru source/auth-pam.c source-new/auth-pam.c
+--- source/auth-pam.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/auth-pam.c 2017-11-02 18:31:51.898879152 -0700
+@@ -128,6 +128,10 @@
+ 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 {
+diff -ru source/channels.c source-new/channels.c
+--- source/channels.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/channels.c 2017-11-02 18:31:51.902212479 -0700
+@@ -1556,14 +1556,16 @@
+
+ debug("X11 connection requested.");
+ addrlen = sizeof(addr);
+- newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
+- if (c->single_connection) {
+- oerrno = errno;
+- debug2("single_connection: closing X11 listener.");
+- channel_close_fd(ssh, &c->sock);
+- chan_mark_dead(ssh, c);
+- errno = oerrno;
+- }
++ /*
++ *newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
++ *if (c->single_connection) {
++ * oerrno = errno;
++ * debug2("single_connection: closing X11 listener.");
++ * channel_close_fd(ssh, &c->sock);
++ * chan_mark_dead(ssh, c);
++ * errno = oerrno;
++ *}
++ */
+ if (newsock < 0) {
+ if (errno != EINTR && errno != EWOULDBLOCK &&
+ errno != ECONNABORTED)
+@@ -1677,8 +1679,8 @@
+ * Set socket options.
+ * Allow local port reuse in TIME_WAIT.
+ */
+- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1)
+- error("setsockopt SO_REUSEADDR fd %d: %s", fd, strerror(errno));
++// if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1)
++// error("setsockopt SO_REUSEADDR fd %d: %s", fd, strerror(errno));
+ }
+
+ void
+@@ -1724,15 +1726,17 @@
+ }
+
+ addrlen = sizeof(addr);
+- newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
+- if (newsock < 0) {
+- if (errno != EINTR && errno != EWOULDBLOCK &&
+- errno != ECONNABORTED)
+- error("accept: %.100s", strerror(errno));
+- if (errno == EMFILE || errno == ENFILE)
+- c->notbefore = monotime() + 1;
+- return;
+- }
++ /*
++ *newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
++ *if (newsock < 0) {
++ * if (errno != EINTR && errno != EWOULDBLOCK &&
++ * errno != ECONNABORTED)
++ * error("accept: %.100s", strerror(errno));
++ * if (errno == EMFILE || errno == ENFILE)
++ * c->notbefore = monotime() + 1;
++ * return;
++ *}
++ */
+ if (c->host_port != PORT_STREAMLOCAL)
+ set_nodelay(newsock);
+ nc = channel_new(ssh, rtype, nextstate, newsock, newsock, -1,
+@@ -1763,13 +1767,15 @@
+ return;
+
+ addrlen = sizeof(addr);
+- newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
+- if (newsock < 0) {
+- error("accept from auth socket: %.100s", strerror(errno));
+- if (errno == EMFILE || errno == ENFILE)
+- c->notbefore = monotime() + 1;
+- return;
+- }
++ /*
++ *newsock = accept(c->sock, (struct sockaddr *)&addr, &addrlen);
++ *if (newsock < 0) {
++ * error("accept from auth socket: %.100s", strerror(errno));
++ * if (errno == EMFILE || errno == ENFILE)
++ * c->notbefore = monotime() + 1;
++ * return;
++ *}
++ */
+ nc = channel_new(ssh, "accepted auth socket",
+ SSH_CHANNEL_OPENING, newsock, newsock, -1,
+ c->local_window_max, c->local_maxpacket,
+@@ -1792,10 +1798,12 @@
+ fatal(":%s: channel %d: no remote id", __func__, c->self);
+ /* for rdynamic the OPEN_CONFIRMATION has been sent already */
+ isopen = (c->type == SSH_CHANNEL_RDYNAMIC_FINISH);
+- if (getsockopt(c->sock, SOL_SOCKET, SO_ERROR, &err, &sz) < 0) {
+- err = errno;
+- error("getsockopt SO_ERROR failed");
+- }
++ /*
++ *if (getsockopt(c->sock, SOL_SOCKET, SO_ERROR, &err, &sz) < 0) {
++ * err = errno;
++ * error("getsockopt SO_ERROR failed");
++ *}
++ */
+ if (err == 0) {
+ debug("channel %d: connected to %s port %d",
+ c->self, c->connect_ctx.host, c->connect_ctx.port);
+@@ -2234,13 +2242,15 @@
+ */
+ memset(&addr, 0, sizeof(addr));
+ addrlen = sizeof(addr);
+- if ((newsock = accept(c->sock, (struct sockaddr*)&addr,
+- &addrlen)) == -1) {
+- error("%s accept: %s", __func__, strerror(errno));
+- if (errno == EMFILE || errno == ENFILE)
+- c->notbefore = monotime() + 1;
+- return;
+- }
++ /*
++ *if ((newsock = accept(c->sock, (struct sockaddr*)&addr,
++ * &addrlen)) == -1) {
++ * error("%s accept: %s", __func__, strerror(errno));
++ * if (errno == EMFILE || errno == ENFILE)
++ * c->notbefore = monotime() + 1;
++ * return;
++ *}
++ */
+
+ if (getpeereid(newsock, &euid, &egid) < 0) {
+ error("%s getpeereid failed: %s", __func__,
+@@ -4318,8 +4328,10 @@
+ if (sc->channels[i] == NULL || !sc->channels[i]->client_tty ||
+ sc->channels[i]->type != SSH_CHANNEL_OPEN)
+ continue;
+- if (ioctl(sc->channels[i]->rfd, TIOCGWINSZ, &ws) < 0)
+- continue;
++ /*
++ *if (ioctl(sc->channels[i]->rfd, TIOCGWINSZ, &ws) < 0)
++ * continue;
++ */
+ channel_request_start(ssh, i, "window-change", 0);
+ if ((r = sshpkt_put_u32(ssh, (u_int)ws.ws_col)) != 0 ||
+ (r = sshpkt_put_u32(ssh, (u_int)ws.ws_row)) != 0 ||
+diff -ru source/cipher.c source-new/cipher.c
+--- source/cipher.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/cipher.c 2017-11-02 18:31:51.902212479 -0700
+@@ -297,7 +297,10 @@
+ goto out;
+ }
+ }
+- if (EVP_CipherInit(cc->evp, NULL, (u_char *)key, NULL, -1) == 0) {
++ /* in OpenSSL 1.1.0, EVP_CipherInit clears all previous setups;
++ use EVP_CipherInit_ex for augmenting */
++ if (EVP_CipherInit_ex(cc->evp, NULL, NULL, (u_char *)key, NULL, -1) == 0)
++ {
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out;
+ }
+@@ -486,7 +489,7 @@
+ 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;
+ }
+@@ -520,14 +523,19 @@
+ 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(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
++# if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++#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))
++# else
++#define EVP_X_STATE(evp) (evp).cipher_data
++#define EVP_X_STATE_LEN(evp) (evp).cipher->ctx_size
++# endif
+ #endif
+
+ int
+diff -ru source/cipher.h source-new/cipher.h
+--- source/cipher.h 2017-10-02 12:34:26.000000000 -0700
++++ source-new/cipher.h 2017-11-02 18:31:51.902212479 -0700
+@@ -46,7 +46,18 @@
+ #define CIPHER_DECRYPT 0
+
+ struct sshcipher;
++#if 0
++struct sshcipher_ctx {
++ int plaintext;
++ int encrypt;
++ EVP_CIPHER_CTX *evp;
++ struct chachapoly_ctx cp_ctx; /* XXX union with evp? */
++ struct aesctr_ctx ac_ctx; /* XXX union with evp? */
++ const struct sshcipher *cipher;
++};
++#else
+ struct sshcipher_ctx;
++#endif
+
+ const struct sshcipher *cipher_by_name(const char *);
+ const char *cipher_warning_message(const struct sshcipher_ctx *);
+diff -ru source/clientloop.c source-new/clientloop.c
+--- source/clientloop.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/clientloop.c 2017-11-02 18:31:51.902212479 -0700
+@@ -2182,8 +2182,8 @@
+ struct winsize ws;
+
+ /* Store window size in the packet. */
+- if (ioctl(in_fd, TIOCGWINSZ, &ws) < 0)
+- memset(&ws, 0, sizeof(ws));
++ //if (ioctl(in_fd, TIOCGWINSZ, &ws) < 0)
++ // memset(&ws, 0, sizeof(ws));
+
+ channel_request_start(ssh, id, "pty-req", 1);
+ client_expect_confirm(ssh, id, "PTY allocation", CONFIRM_TTY);
+diff -ru source/config.sub source-new/config.sub
+--- source/config.sub 2017-10-02 12:34:26.000000000 -0700
++++ source-new/config.sub 2017-11-02 18:31:51.908879134 -0700
+@@ -1381,7 +1381,7 @@
+ # The portable systems comes first.
+ # Each alternative MUST END IN A *, to match a version number.
+ # -sysv* is not here because it comes later, after sysvr4.
+- -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
++ -gnu* | -bsd* | -redox* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+ | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+ | -sym* | -kopensolaris* | -plan9* \
+diff -ru source/configure source-new/configure
+--- source/configure 2017-10-03 09:06:08.000000000 -0700
++++ source-new/configure 2017-11-02 18:31:51.908879134 -0700
+@@ -12688,7 +12688,6 @@
+ 100*) ;; # 1.0.x
+ 200*) ;; # LibreSSL
+ *)
+- as_fn_error $? "OpenSSL >= 1.1.0 is not yet supported (have \"$ssl_library_ver\")" "$LINENO" 5
+ ;;
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ssl_library_ver" >&5
+diff -ru source/dh.c source-new/dh.c
+--- source/dh.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/dh.c 2017-11-02 18:31:51.912212462 -0700
+@@ -212,14 +212,15 @@
+ /* 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;
+ }
+@@ -232,7 +233,8 @@
+ 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");
+@@ -243,14 +245,14 @@
+ 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;
+@@ -260,9 +262,13 @@
+ dh_gen_key(DH *dh, int need)
+ {
+ int pbits;
++ const BIGNUM *p, *pub_key;
++ BIGNUM *priv_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)
+@@ -271,10 +277,13 @@
+ * 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, MIN(need * 2, pbits - 1));
++ if (DH_generate_key(dh) == 0) {
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ DH_get0_key(dh, &pub_key, &priv_key);
++ if (!dh_pub_is_valid(dh, pub_key)) {
++ BN_clear(priv_key);
+ return SSH_ERR_LIBCRYPTO_ERROR;
+ }
+ return 0;
+@@ -283,16 +292,27 @@
+ DH *
+ dh_new_group_asc(const char *gen, const char *modulus)
+ {
+- DH *dh;
++ DH *dh = NULL;
++ 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 null;
++ if (BN_hex2bn(&p, modulus) == 0 ||
++ BN_hex2bn(&g, gen) == 0) {
++ goto null;
+ }
++ if (DH_set0_pqg(dh, p, NULL, g) == 0) {
++ goto null;
++ }
++ p = g = NULL;
+ return (dh);
++null:
++ BN_free(p);
++ BN_free(g);
++ DH_free(dh);
++ return NULL;
+ }
+
+ /*
+@@ -307,8 +327,8 @@
+
+ if ((dh = DH_new()) == NULL)
+ return NULL;
+- dh->p = modulus;
+- dh->g = gen;
++ if (DH_set0_pqg(dh, modulus, NULL, gen) == 0)
++ return NULL;
+
+ return (dh);
+ }
+diff -ru source/dh.h source-new/dh.h
+--- source/dh.h 2017-10-02 12:34:26.000000000 -0700
++++ source-new/dh.h 2017-11-02 18:31:51.912212462 -0700
+@@ -42,7 +42,7 @@
+ 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);
+
+diff -ru source/digest-openssl.c source-new/digest-openssl.c
+--- source/digest-openssl.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/digest-openssl.c 2017-11-02 18:31:51.912212462 -0700
+@@ -43,7 +43,7 @@
+
+ struct ssh_digest_ctx {
+ int alg;
+- EVP_MD_CTX mdctx;
++ EVP_MD_CTX *mdctx;
+ };
+
+ struct ssh_digest {
+@@ -106,20 +106,21 @@
+ 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 *
+ ssh_digest_start(int alg)
+ {
+ const struct ssh_digest *digest = ssh_digest_by_alg(alg);
+- struct ssh_digest_ctx *ret;
++ struct ssh_digest_ctx *ret = NULL;
+
+ 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) {
++ if ((ret->mdctx = EVP_MD_CTX_new()) == NULL ||
++ EVP_DigestInit_ex(ret->mdctx, digest->mdfunc(), NULL) != 1) {
++ EVP_MD_CTX_free(ret->mdctx);
+ free(ret);
+ return NULL;
+ }
+@@ -132,7 +133,7 @@
+ 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 +141,7 @@
+ 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 +162,7 @@
+ 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 +173,7 @@
+ 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);
+ }
+diff -ru source/groupaccess.c source-new/groupaccess.c
+--- source/groupaccess.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/groupaccess.c 2017-11-02 18:31:51.915545790 -0700
+@@ -67,8 +67,10 @@
+ if (getgrouplist(user, base, groups_bygid, &ngroups) == -1)
+ logit("getgrouplist: groups list too small");
+ for (i = 0, j = 0; i < ngroups; i++)
+- if ((gr = getgrgid(groups_bygid[i])) != NULL)
+- groups_byname[j++] = xstrdup(gr->gr_name);
++ /*
++ *if ((gr = getgrgid(groups_bygid[i])) != NULL)
++ * groups_byname[j++] = xstrdup(gr->gr_name);
++ */
+ free(groups_bygid);
+ return (ngroups = j);
+ }
+diff -ru source/kexdhc.c source-new/kexdhc.c
+--- source/kexdhc.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/kexdhc.c 2017-11-02 18:31:51.918879116 -0700
+@@ -81,11 +81,16 @@
+ 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 ||
++ {
++ const BIGNUM *pub_key;
++ 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= ");
+@@ -169,6 +174,9 @@
+
+ /* calc and verify H */
+ hashlen = sizeof(hash);
++ {
++ const BIGNUM *pub_key;
++ DH_get0_key(kex->dh, &pub_key, NULL);
+ if ((r = kex_dh_hash(
+ kex->hash_alg,
+ kex->client_version_string,
+@@ -176,11 +184,13 @@
+ 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)
++ hash, &hashlen)) != 0) {
+ goto out;
++ }
++ }
+
+ if ((r = sshkey_verify(server_host_key, signature, slen, hash, hashlen,
+ ssh->compat)) != 0)
+diff -ru source/kexdhs.c source-new/kexdhs.c
+--- source/kexdhs.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/kexdhs.c 2017-11-02 18:31:51.918879116 -0700
+@@ -87,6 +87,10 @@
+ ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_INIT, &input_kex_dh_init);
+ r = 0;
+ out:
++ if (r != 0) {
++ if (kex->dh) DH_free(kex->dh);
++ kex->dh = NULL;
++ }
+ return r;
+ }
+
+@@ -163,6 +167,9 @@
+ goto out;
+ /* calc H */
+ hashlen = sizeof(hash);
++ {
++ const BIGNUM *pub_key;
++ DH_get0_key(kex->dh, &pub_key, NULL);
+ if ((r = kex_dh_hash(
+ kex->hash_alg,
+ kex->client_version_string,
+@@ -171,10 +178,12 @@
+ 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)
++ hash, &hashlen)) != 0) {
+ goto out;
++ }
++ }
+
+ /* save session id := H */
+ if (kex->session_id == NULL) {
+@@ -195,12 +204,17 @@
+ /* destroy_sensitive_data(); */
+
+ /* send server hostkey, DH pubkey 'f' and singed H */
++ {
++ const BIGNUM *pub_key;
++ DH_get0_key(kex->dh, &pub_key, NULL);
+ 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)
++ (r = sshpkt_send(ssh)) != 0) {
+ goto out;
++ }
++ }
+
+ if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0)
+ r = kex_send_newkeys(ssh);
+diff -ru source/kexgexc.c source-new/kexgexc.c
+--- source/kexgexc.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/kexgexc.c 2017-11-02 18:31:51.918879116 -0700
+@@ -118,11 +118,17 @@
+ 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 ||
+- (r = sshpkt_send(ssh)) != 0)
++ {
++ const BIGNUM *pub_key;
++ 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);
+@@ -134,10 +140,12 @@
+ ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &input_kex_dh_gex_reply);
+ r = 0;
+ out:
+- if (p)
++ if (r != 0) {
+ BN_clear_free(p);
+- if (g)
+ BN_clear_free(g);
++ DH_free(kex->dh);
++ kex->dh = NULL;
++ }
+ return r;
+ }
+
+@@ -214,6 +222,10 @@
+
+ /* calc and verify H */
+ hashlen = sizeof(hash);
++ {
++ const BIGNUM *p, *g, *pub_key;
++ 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,
+@@ -222,12 +234,14 @@
+ 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)
++ hash, &hashlen)) != 0) {
+ goto out;
++ }
++ }
+
+ if ((r = sshkey_verify(server_host_key, signature, slen, hash,
+ hashlen, ssh->compat)) != 0)
+diff -ru source/kexgexs.c source-new/kexgexs.c
+--- source/kexgexs.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/kexgexs.c 2017-11-02 18:31:51.918879116 -0700
+@@ -101,11 +101,16 @@
+ goto out;
+ }
+ debug("SSH2_MSG_KEX_DH_GEX_GROUP sent");
++ {
++ const BIGNUM *p, *g;
++ 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_send(ssh)) != 0)
++ (r = sshpkt_put_bignum2(ssh, p)) != 0 ||
++ (r = sshpkt_put_bignum2(ssh, g)) != 0 ||
++ (r = sshpkt_send(ssh)) != 0) {
+ goto out;
++ }
++ }
+
+ /* Compute our exchange value in parallel with the client */
+ if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0)
+@@ -115,6 +120,10 @@
+ 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;
+ }
+
+@@ -191,6 +200,10 @@
+ goto out;
+ /* calc H */
+ hashlen = sizeof(hash);
++ {
++ const BIGNUM *p, *g, *pub_key;
++ 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,
+@@ -199,12 +212,14 @@
+ 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)
++ hash, &hashlen)) != 0) {
+ goto out;
++ }
++ }
+
+ /* save session id := H */
+ if (kex->session_id == NULL) {
+@@ -225,12 +240,17 @@
+ /* destroy_sensitive_data(); */
+
+ /* send server hostkey, DH pubkey 'f' and singed H */
++ {
++ const BIGNUM *pub_key;
++ DH_get0_key(kex->dh, &pub_key, NULL);
+ 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)
++ (r = sshpkt_send(ssh)) != 0) {
+ goto out;
++ }
++ }
+
+ if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0)
+ r = kex_send_newkeys(ssh);
+diff -ru source/log.c source-new/log.c
+--- source/log.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/log.c 2017-11-02 18:31:51.928879098 -0700
+@@ -324,8 +324,8 @@
+ openlog_r(argv0 ? argv0 : __progname, LOG_PID, log_facility, &sdata);
+ closelog_r(&sdata);
+ #else
+- openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
+- closelog();
++ //openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
++ //closelog();
+ #endif
+ }
+
+@@ -465,9 +465,9 @@
+ syslog_r(pri, &sdata, "%.500s", fmtbuf);
+ closelog_r(&sdata);
+ #else
+- openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
+- syslog(pri, "%.500s", fmtbuf);
+- closelog();
++ //openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
++ //syslog(pri, "%.500s", fmtbuf);
++ //closelog();
+ #endif
+ }
+ errno = saved_errno;
+diff -ru source/loginrec.c source-new/loginrec.c
+--- source/loginrec.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/loginrec.c 2017-11-02 18:31:51.928879098 -0700
+@@ -746,7 +746,7 @@
+ # ifdef HAVE_ADDR_V6_IN_UTMP
+ struct sockaddr_in6 *sa6;
+ # endif
+- memset(utx, '\0', sizeof(*utx));
++// memset(utx, '\0', sizeof(*utx));
+
+ # ifdef HAVE_ID_IN_UTMPX
+ line_abbrevname(utx->ut_id, li->line, sizeof(utx->ut_id));
+@@ -755,19 +755,19 @@
+ /* this is done here to keep utmp constants out of loginrec.h */
+ switch (li->type) {
+ case LTYPE_LOGIN:
+- utx->ut_type = USER_PROCESS;
++// utx->ut_type = USER_PROCESS;
+ break;
+ case LTYPE_LOGOUT:
+- utx->ut_type = DEAD_PROCESS;
++ //utx->ut_type = DEAD_PROCESS;
+ break;
+ }
+- line_stripname(utx->ut_line, li->line, sizeof(utx->ut_line));
+- set_utmpx_time(li, utx);
+- utx->ut_pid = li->pid;
++// line_stripname(utx->ut_line, li->line, sizeof(utx->ut_line));
++// set_utmpx_time(li, utx);
++// utx->ut_pid = li->pid;
+
+ /* strncpy(): Don't necessarily want null termination */
+- strncpy(utx->ut_user, li->username,
+- MIN_SIZEOF(utx->ut_user, li->username));
++// strncpy(utx->ut_user, li->username,
++// MIN_SIZEOF(utx->ut_user, li->username));
+
+ if (li->type == LTYPE_LOGOUT)
+ return;
+@@ -1023,20 +1023,22 @@
+ static int
+ utmpx_perform_login(struct logininfo *li)
+ {
+- struct utmpx utx;
+-
+- construct_utmpx(li, &utx);
+-# ifdef UTMPX_USE_LIBRARY
+- if (!utmpx_write_library(li, &utx)) {
+- logit("%s: utmp_write_library() failed", __func__);
+- return (0);
+- }
+-# else
+- if (!utmpx_write_direct(li, &ut)) {
+- logit("%s: utmp_write_direct() failed", __func__);
+- return (0);
+- }
+-# endif
++/*
++ * struct utmpx utx;
++ *
++ * construct_utmpx(li, &utx);
++ *# ifdef UTMPX_USE_LIBRARY
++ * if (!utmpx_write_library(li, &utx)) {
++ * logit("%s: utmp_write_library() failed", __func__);
++ * return (0);
++ * }
++ *# else
++ * if (!utmpx_write_direct(li, &ut)) {
++ * logit("%s: utmp_write_direct() failed", __func__);
++ * return (0);
++ * }
++ *# endif
++ */
+ return (1);
+ }
+
+@@ -1044,21 +1046,23 @@
+ static int
+ utmpx_perform_logout(struct logininfo *li)
+ {
+- struct utmpx utx;
+-
+- construct_utmpx(li, &utx);
+-# ifdef HAVE_ID_IN_UTMPX
+- line_abbrevname(utx.ut_id, li->line, sizeof(utx.ut_id));
+-# endif
+-# ifdef HAVE_TYPE_IN_UTMPX
+- utx.ut_type = DEAD_PROCESS;
+-# endif
+-
+-# ifdef UTMPX_USE_LIBRARY
+- utmpx_write_library(li, &utx);
+-# else
+- utmpx_write_direct(li, &utx);
+-# endif
++/*
++ * struct utmpx utx;
++ *
++ * construct_utmpx(li, &utx);
++ *# ifdef HAVE_ID_IN_UTMPX
++ * line_abbrevname(utx.ut_id, li->line, sizeof(utx.ut_id));
++ *# endif
++ *# ifdef HAVE_TYPE_IN_UTMPX
++ * utx.ut_type = DEAD_PROCESS;
++ *# endif
++ *
++ *# ifdef UTMPX_USE_LIBRARY
++ * utmpx_write_library(li, &utx);
++ *# else
++ * utmpx_write_direct(li, &utx);
++ *# endif
++ */
+ return (1);
+ }
+
+diff -ru source/misc.c source-new/misc.c
+--- source/misc.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/misc.c 2017-11-02 18:31:51.928879098 -0700
+@@ -153,10 +153,12 @@
+ socklen_t optlen;
+
+ optlen = sizeof opt;
+- if (getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, &optlen) == -1) {
+- debug("getsockopt TCP_NODELAY: %.100s", strerror(errno));
+- return;
+- }
++ /*
++ *if (getsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, &optlen) == -1) {
++ * debug("getsockopt TCP_NODELAY: %.100s", strerror(errno));
++ * return;
++ *}
++ */
+ if (opt == 1) {
+ debug2("fd %d is TCP_NODELAY", fd);
+ return;
+@@ -1274,14 +1276,18 @@
+ {
+ int fd;
+
+- if ((fd = open(_PATH_TTY, O_RDONLY | O_NOCTTY)) >= 0) {
+- close(fd);
+- return 0; /* have controlling terminal */
+- }
++ /*
++ *if ((fd = open(_PATH_TTY, O_RDONLY | O_NOCTTY)) >= 0) {
++ * close(fd);
++ * return 0; [> have controlling terminal <]
++ *}
++ */
+ if (getppid() != 1)
+ return 0; /* parent is not init */
+- if (getsid(0) != getpid())
+- return 0; /* not session leader */
++ /*
++ *if (getsid(0) != getpid())
++ * return 0; [> not session leader <]
++ */
+ debug3("already daemonized");
+ return 1;
+ }
+diff -ru source/monitor.c source-new/monitor.c
+--- source/monitor.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/monitor.c 2017-11-02 18:31:51.932212426 -0700
+@@ -586,10 +586,12 @@
+ buffer_put_char(m, 0);
+ return (0);
+ } else {
++ const BIGNUM *p, *g;
++ DH_get0_pqg(dh, &p, NULL, &g);
+ /* Send first bignum */
+ 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);
+ }
+@@ -1663,8 +1665,10 @@
+ int on = 1;
+ #endif
+
+- if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+- fatal("%s: socketpair: %s", __func__, strerror(errno));
++ /*
++ *if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
++ * fatal("%s: socketpair: %s", __func__, strerror(errno));
++ */
+ #ifdef SO_ZEROIZE
+ if (setsockopt(pair[0], SOL_SOCKET, SO_ZEROIZE, &on, sizeof(on)) < 0)
+ error("setsockopt SO_ZEROIZE(0): %.100s", strerror(errno));
+diff -ru source/nchan.c source-new/nchan.c
+--- source/nchan.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/nchan.c 2017-11-02 18:31:51.932212426 -0700
+@@ -375,10 +375,12 @@
+ /* shutdown failure is allowed if write failed already */
+ debug2("channel %d: close_write", c->self);
+ if (c->sock != -1) {
+- if (shutdown(c->sock, SHUT_WR) < 0)
+- debug2("channel %d: chan_shutdown_write: "
+- "shutdown() failed for fd %d: %.100s",
+- c->self, c->sock, strerror(errno));
++ /*
++ *if (shutdown(c->sock, SHUT_WR) < 0)
++ * debug2("channel %d: chan_shutdown_write: "
++ * "shutdown() failed for fd %d: %.100s",
++ * c->self, c->sock, strerror(errno));
++ */
+ } else {
+ if (channel_close_fd(ssh, &c->wfd) < 0)
+ logit("channel %d: chan_shutdown_write: "
+@@ -399,12 +401,14 @@
+ * write side has been closed already. (bug on Linux)
+ * HP-UX may return ENOTCONN also.
+ */
+- if (shutdown(c->sock, SHUT_RD) < 0
+- && errno != ENOTCONN)
+- error("channel %d: chan_shutdown_read: "
+- "shutdown() failed for fd %d [i%d o%d]: %.100s",
+- c->self, c->sock, c->istate, c->ostate,
+- strerror(errno));
++ /*
++ *if (shutdown(c->sock, SHUT_RD) < 0
++ * && errno != ENOTCONN)
++ * error("channel %d: chan_shutdown_read: "
++ * "shutdown() failed for fd %d [i%d o%d]: %.100s",
++ * c->self, c->sock, c->istate, c->ostate,
++ * strerror(errno));
++ */
+ } else {
+ if (channel_close_fd(ssh, &c->rfd) < 0)
+ logit("channel %d: chan_shutdown_read: "
+diff -ru source/openbsd-compat/bsd-closefrom.c source-new/openbsd-compat/bsd-closefrom.c
+--- source/openbsd-compat/bsd-closefrom.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/bsd-closefrom.c 2017-11-02 18:31:51.938879081 -0700
+@@ -96,7 +96,7 @@
+ #ifdef HAVE_SYSCONF
+ maxfd = sysconf(_SC_OPEN_MAX);
+ #else
+- maxfd = getdtablesize();
++ //maxfd = getdtablesize();
+ #endif /* HAVE_SYSCONF */
+ if (maxfd < 0)
+ maxfd = OPEN_MAX;
+diff -ru source/openbsd-compat/bsd-misc.c source-new/openbsd-compat/bsd-misc.c
+--- source/openbsd-compat/bsd-misc.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/bsd-misc.c 2017-11-02 18:31:51.932212426 -0700
+@@ -193,9 +193,9 @@
+ {
+ int ctty_pgrp;
+
+- if (ioctl(fd, TIOCGPGRP, &ctty_pgrp) == -1)
+- return(-1);
+- else
++ //if (ioctl(fd, TIOCGPGRP, &ctty_pgrp) == -1)
++ // return(-1);
++ //else
+ return(ctty_pgrp);
+ }
+ #endif /* HAVE_TCGETPGRP */
+diff -ru source/openbsd-compat/bsd-misc.h source-new/openbsd-compat/bsd-misc.h
+--- source/openbsd-compat/bsd-misc.h 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/bsd-misc.h 2017-11-02 18:31:51.935545753 -0700
+@@ -18,12 +18,15 @@
+ #define _BSD_MISC_H
+
+ #include "includes.h"
++#include <fcntl.h>
+
+ char *ssh_get_progname(char *);
+
+-#ifndef HAVE_SETSID
+-#define setsid() setpgrp(0, getpid())
+-#endif /* !HAVE_SETSID */
++/*
++ *#ifndef HAVE_SETSID
++ *#define setsid() setpgrp(0, getpid())
++ *#endif [> !HAVE_SETSID <]
++ */
+
+ #ifndef HAVE_SETENV
+ int setenv(const char *, const char *, int);
+@@ -112,9 +115,11 @@
+ pid_t getpgid(pid_t);
+ #endif
+
+-#ifndef HAVE_ENDGRENT
+-# define endgrent() do { } while(0)
+-#endif
++/*
++ *#ifndef HAVE_ENDGRENT
++ *# define endgrent() do { } while(0)
++ *#endif
++ */
+
+ #ifndef HAVE_KRB5_GET_ERROR_MESSAGE
+ # define krb5_get_error_message krb5_get_err_text
+diff -ru source/openbsd-compat/bsd-statvfs.c source-new/openbsd-compat/bsd-statvfs.c
+--- source/openbsd-compat/bsd-statvfs.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/bsd-statvfs.c 2017-11-02 18:31:51.932212426 -0700
+@@ -24,6 +24,7 @@
+ #endif
+
+ #include <errno.h>
++#include <sys/statfs.h>
+
+ static void
+ copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from)
+diff -ru source/openbsd-compat/daemon.c source-new/openbsd-compat/daemon.c
+--- source/openbsd-compat/daemon.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/daemon.c 2017-11-02 18:31:51.932212426 -0700
+@@ -62,8 +62,8 @@
+ _exit(0);
+ }
+
+- if (setsid() == -1)
+- return (-1);
++ //if (setsid() == -1)
++ // return (-1);
+
+ if (!nochdir)
+ (void)chdir("/");
+diff -ru source/openbsd-compat/fake-rfc2553.c source-new/openbsd-compat/fake-rfc2553.c
+--- source/openbsd-compat/fake-rfc2553.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/fake-rfc2553.c 2017-11-02 18:31:51.932212426 -0700
+@@ -67,14 +67,16 @@
+ else
+ return (0);
+ } else {
+- hp = gethostbyaddr((char *)&sin->sin_addr,
+- sizeof(struct in_addr), AF_INET);
+- if (hp == NULL)
+- return (EAI_NODATA);
+-
+- if (strlcpy(host, hp->h_name, hostlen) >= hostlen)
+- return (EAI_MEMORY);
+- else
++/*
++ * hp = gethostbyaddr((char *)&sin->sin_addr,
++ * sizeof(struct in_addr), AF_INET);
++ * if (hp == NULL)
++ * return (EAI_NODATA);
++ *
++ * if (strlcpy(host, hp->h_name, hostlen) >= hostlen)
++ * return (EAI_MEMORY);
++ * else
++ */
+ return (0);
+ }
+ }
+@@ -172,8 +174,8 @@
+ port = strtol(servname, &cp, 10);
+ if (port > 0 && port <= 65535 && *cp == '\0')
+ port = htons(port);
+- else if ((sp = getservbyname(servname, NULL)) != NULL)
+- port = sp->s_port;
++ //else if ((sp = getservbyname(servname, NULL)) != NULL)
++ // port = sp->s_port;
+ else
+ port = 0;
+ }
+diff -ru source/openbsd-compat/getgrouplist.c source-new/openbsd-compat/getgrouplist.c
+--- source/openbsd-compat/getgrouplist.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/getgrouplist.c 2017-11-02 18:31:51.935545753 -0700
+@@ -66,28 +66,30 @@
+ /*
+ * Scan the group file to find additional groups.
+ */
+- setgrent();
+- while ((grp = getgrent())) {
+- if (grp->gr_gid == agroup)
+- continue;
+- for (bail = 0, i = 0; bail == 0 && i < ngroups; i++)
+- if (groups[i] == grp->gr_gid)
+- bail = 1;
+- if (bail)
+- continue;
+- for (i = 0; grp->gr_mem[i]; i++) {
+- if (!strcmp(grp->gr_mem[i], uname)) {
+- if (ngroups >= maxgroups) {
+- ret = -1;
+- goto out;
+- }
+- groups[ngroups++] = grp->gr_gid;
+- break;
+- }
+- }
+- }
++ //setgrent();
++ /*
++ *while ((grp = getgrent())) {
++ * if (grp->gr_gid == agroup)
++ * continue;
++ * for (bail = 0, i = 0; bail == 0 && i < ngroups; i++)
++ * if (groups[i] == grp->gr_gid)
++ * bail = 1;
++ * if (bail)
++ * continue;
++ * for (i = 0; grp->gr_mem[i]; i++) {
++ * if (!strcmp(grp->gr_mem[i], uname)) {
++ * if (ngroups >= maxgroups) {
++ * ret = -1;
++ * goto out;
++ * }
++ * groups[ngroups++] = grp->gr_gid;
++ * break;
++ * }
++ * }
++ *}
++ */
+ out:
+- endgrent();
++ //endgrent();
+ *grpcnt = ngroups;
+ return (ret);
+ }
+diff -ru source/openbsd-compat/getrrsetbyname.c source-new/openbsd-compat/getrrsetbyname.c
+--- source/openbsd-compat/getrrsetbyname.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/getrrsetbyname.c 2017-11-02 18:31:51.935545753 -0700
+@@ -187,7 +187,7 @@
+ unsigned int rdtype, unsigned int flags,
+ struct rrsetinfo **res)
+ {
+- struct __res_state *_resp = _THREAD_PRIVATE(_res, _res, &_res);
++ //struct __res_state *_resp = _THREAD_PRIVATE(_res, _res, &_res);
+ int result;
+ struct rrsetinfo *rrset = NULL;
+ struct dns_response *response = NULL;
+@@ -216,50 +216,54 @@
+ }
+
+ /* initialize resolver */
+- if ((_resp->options & RES_INIT) == 0 && res_init() == -1) {
++ /*if ((_resp->options & RES_INIT) == 0 && res_init() == -1) {
+ result = ERRSET_FAIL;
+ goto fail;
+- }
++ }*/
+
+ #ifdef DEBUG
+- _resp->options |= RES_DEBUG;
++ //_resp->options |= RES_DEBUG;
+ #endif /* DEBUG */
+
+ #ifdef RES_USE_DNSSEC
+ /* turn on DNSSEC if EDNS0 is configured */
+- if (_resp->options & RES_USE_EDNS0)
+- _resp->options |= RES_USE_DNSSEC;
++ /*
++ *if (_resp->options & RES_USE_EDNS0)
++ * _resp->options |= RES_USE_DNSSEC;
++ */
+ #endif /* RES_USE_DNSEC */
+
+ /* make query */
+- length = res_query(hostname, (signed int) rdclass, (signed int) rdtype,
+- answer, sizeof(answer));
+- if (length < 0) {
+- switch(h_errno) {
+- case HOST_NOT_FOUND:
+- result = ERRSET_NONAME;
+- goto fail;
+- case NO_DATA:
+- result = ERRSET_NODATA;
+- goto fail;
+- default:
+- result = ERRSET_FAIL;
+- goto fail;
+- }
+- }
+-
+- /* parse result */
+- response = parse_dns_response(answer, length);
+- if (response == NULL) {
+- result = ERRSET_FAIL;
+- goto fail;
+- }
+-
+- if (response->header.qdcount != 1) {
+- result = ERRSET_FAIL;
+- goto fail;
+- }
+-
++/*
++ * length = res_query(hostname, (signed int) rdclass, (signed int) rdtype,
++ * answer, sizeof(answer));
++ * if (length < 0) {
++ * switch(h_errno) {
++ * case HOST_NOT_FOUND:
++ * result = ERRSET_NONAME;
++ * goto fail;
++ * case NO_DATA:
++ * result = ERRSET_NODATA;
++ * goto fail;
++ * default:
++ * result = ERRSET_FAIL;
++ * goto fail;
++ * }
++ * }
++ *
++ * [> parse result <]
++ * response = parse_dns_response(answer, length);
++ * if (response == NULL) {
++ * result = ERRSET_FAIL;
++ * goto fail;
++ * }
++ *
++ * if (response->header.qdcount != 1) {
++ * result = ERRSET_FAIL;
++ * goto fail;
++ * }
++ *
++ */
+ /* initialize rrset */
+ rrset = calloc(1, sizeof(struct rrsetinfo));
+ if (rrset == NULL) {
+@@ -465,19 +469,21 @@
+ prev->next = curr;
+
+ /* name */
+- length = dn_expand(answer, answer + size, *cp, name,
+- sizeof(name));
+- if (length < 0) {
+- free_dns_query(head);
+- return (NULL);
+- }
+- curr->name = strdup(name);
+- if (curr->name == NULL) {
+- free_dns_query(head);
+- return (NULL);
+- }
+- *cp += length;
+-
++/*
++ * length = dn_expand(answer, answer + size, *cp, name,
++ * sizeof(name));
++ * if (length < 0) {
++ * free_dns_query(head);
++ * return (NULL);
++ * }
++ * curr->name = strdup(name);
++ * if (curr->name == NULL) {
++ * free_dns_query(head);
++ * return (NULL);
++ * }
++ * *cp += length;
++ *
++ */
+ /* type */
+ curr->type = _getshort(*cp);
+ *cp += INT16SZ;
+@@ -512,19 +518,21 @@
+ prev->next = curr;
+
+ /* name */
+- length = dn_expand(answer, answer + size, *cp, name,
+- sizeof(name));
+- if (length < 0) {
+- free_dns_rr(head);
+- return (NULL);
+- }
+- curr->name = strdup(name);
+- if (curr->name == NULL) {
+- free_dns_rr(head);
+- return (NULL);
+- }
+- *cp += length;
+-
++/*
++ * length = dn_expand(answer, answer + size, *cp, name,
++ * sizeof(name));
++ * if (length < 0) {
++ * free_dns_rr(head);
++ * return (NULL);
++ * }
++ * curr->name = strdup(name);
++ * if (curr->name == NULL) {
++ * free_dns_rr(head);
++ * return (NULL);
++ * }
++ * *cp += length;
++ *
++ */
+ /* type */
+ curr->type = _getshort(*cp);
+ *cp += INT16SZ;
+diff -ru source/openbsd-compat/openssl-compat.c source-new/openbsd-compat/openssl-compat.c
+--- source/openbsd-compat/openssl-compat.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/openssl-compat.c 2017-11-02 18:31:51.932212426 -0700
+@@ -75,7 +75,6 @@
+ /* Enable use of crypto hardware */
+ ENGINE_load_builtin_engines();
+ ENGINE_register_all_complete();
+- OPENSSL_config(NULL);
+ }
+ #endif
+
+diff -ru source/openbsd-compat/pwcache.c source-new/openbsd-compat/pwcache.c
+--- source/openbsd-compat/pwcache.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/pwcache.c 2017-11-02 18:31:51.935545753 -0700
+@@ -99,11 +99,13 @@
+ #endif
+ gropen = 1;
+ }
+- if ((gr = getgrgid(gid)) == NULL) {
+- if (nogroup)
+- return (NULL);
+- (void)snprintf(nbuf, sizeof(nbuf), "%u", gid);
+- }
++ /*
++ *if ((gr = getgrgid(gid)) == NULL) {
++ * if (nogroup)
++ * return (NULL);
++ * (void)snprintf(nbuf, sizeof(nbuf), "%u", gid);
++ *}
++ */
+ cp->gid = gid;
+ if (cp->name != NULL)
+ free(cp->name);
+diff -ru source/openbsd-compat/readpassphrase.c source-new/openbsd-compat/readpassphrase.c
+--- source/openbsd-compat/readpassphrase.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/readpassphrase.c 2017-11-02 18:31:51.935545753 -0700
+@@ -123,15 +123,17 @@
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0; /* don't restart system calls */
+ sa.sa_handler = handler;
+- (void)sigaction(SIGALRM, &sa, &savealrm);
+- (void)sigaction(SIGHUP, &sa, &savehup);
+- (void)sigaction(SIGINT, &sa, &saveint);
+- (void)sigaction(SIGPIPE, &sa, &savepipe);
+- (void)sigaction(SIGQUIT, &sa, &savequit);
+- (void)sigaction(SIGTERM, &sa, &saveterm);
+- (void)sigaction(SIGTSTP, &sa, &savetstp);
+- (void)sigaction(SIGTTIN, &sa, &savettin);
+- (void)sigaction(SIGTTOU, &sa, &savettou);
++ /*
++ *(void)sigaction(SIGALRM, &sa, &savealrm);
++ *(void)sigaction(SIGHUP, &sa, &savehup);
++ *(void)sigaction(SIGINT, &sa, &saveint);
++ *(void)sigaction(SIGPIPE, &sa, &savepipe);
++ *(void)sigaction(SIGQUIT, &sa, &savequit);
++ *(void)sigaction(SIGTERM, &sa, &saveterm);
++ *(void)sigaction(SIGTSTP, &sa, &savetstp);
++ *(void)sigaction(SIGTTIN, &sa, &savettin);
++ *(void)sigaction(SIGTTOU, &sa, &savettou);
++ */
+
+ if (!(flags & RPP_STDIN))
+ (void)write(output, prompt, strlen(prompt));
+@@ -165,15 +167,17 @@
+ continue;
+ signo[SIGTTOU] = sigttou;
+ }
+- (void)sigaction(SIGALRM, &savealrm, NULL);
+- (void)sigaction(SIGHUP, &savehup, NULL);
+- (void)sigaction(SIGINT, &saveint, NULL);
+- (void)sigaction(SIGQUIT, &savequit, NULL);
+- (void)sigaction(SIGPIPE, &savepipe, NULL);
+- (void)sigaction(SIGTERM, &saveterm, NULL);
+- (void)sigaction(SIGTSTP, &savetstp, NULL);
+- (void)sigaction(SIGTTIN, &savettin, NULL);
+- (void)sigaction(SIGTTOU, &savettou, NULL);
++ /*
++ *(void)sigaction(SIGALRM, &savealrm, NULL);
++ *(void)sigaction(SIGHUP, &savehup, NULL);
++ *(void)sigaction(SIGINT, &saveint, NULL);
++ *(void)sigaction(SIGQUIT, &savequit, NULL);
++ *(void)sigaction(SIGPIPE, &savepipe, NULL);
++ *(void)sigaction(SIGTERM, &saveterm, NULL);
++ *(void)sigaction(SIGTSTP, &savetstp, NULL);
++ *(void)sigaction(SIGTTIN, &savettin, NULL);
++ *(void)sigaction(SIGTTOU, &savettou, NULL);
++ */
+ if (input != STDIN_FILENO)
+ (void)close(input);
+
+diff -ru source/openbsd-compat/xcrypt.c source-new/openbsd-compat/xcrypt.c
+--- source/openbsd-compat/xcrypt.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/openbsd-compat/xcrypt.c 2017-11-02 18:31:51.932212426 -0700
+@@ -80,18 +80,20 @@
+ if (salt[0] != '\0')
+ return salt;
+ strlcpy(salt, "xx", sizeof(salt));
+- setpwent();
+- while ((pw = getpwent()) != NULL) {
+- passwd = shadow_pw(pw);
+- if (passwd[0] == '$' && (p = strrchr(passwd+1, '$')) != NULL) {
+- typelen = p - passwd + 1;
+- strlcpy(salt, passwd, MIN(typelen, sizeof(salt)));
+- explicit_bzero(passwd, strlen(passwd));
+- goto out;
+- }
+- }
+- out:
+- endpwent();
++ /*
++ * setpwent();
++ * while ((pw = getpwent()) != NULL) {
++ * passwd = shadow_pw(pw);
++ * if (passwd[0] == '$' && (p = strrchr(passwd+1, '$')) != NULL) {
++ * typelen = p - passwd + 1;
++ * strlcpy(salt, passwd, MIN(typelen, sizeof(salt)));
++ * explicit_bzero(passwd, strlen(passwd));
++ * goto out;
++ * }
++ * }
++ *out:
++ * endpwent();
++ */
+ return salt;
+ }
+
+diff -ru source/progressmeter.c source-new/progressmeter.c
+--- source/progressmeter.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/progressmeter.c 2017-11-02 18:31:51.938879081 -0700
+@@ -81,7 +81,8 @@
+ static int
+ can_output(void)
+ {
+- return (getpgrp() == tcgetpgrp(STDOUT_FILENO));
++ //return (getpgrp() == tcgetpgrp(STDOUT_FILENO));
++ return -1;
+ }
+
+ static void
+@@ -294,13 +295,15 @@
+ {
+ struct winsize winsize;
+
+- if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
+- winsize.ws_col != 0) {
+- if (winsize.ws_col > MAX_WINSIZE)
+- win_size = MAX_WINSIZE;
+- else
+- win_size = winsize.ws_col;
+- } else
++ /*
++ *if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 &&
++ * winsize.ws_col != 0) {
++ * if (winsize.ws_col > MAX_WINSIZE)
++ * win_size = MAX_WINSIZE;
++ * else
++ * win_size = winsize.ws_col;
++ *} else
++ */
+ win_size = DEFAULT_WINSIZE;
+ win_size += 1; /* trailing \0 */
+ }
+diff -ru source/readconf.c source-new/readconf.c
+--- source/readconf.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/readconf.c 2017-11-02 18:31:51.938879081 -0700
+@@ -465,8 +465,8 @@
+ struct servent *sp;
+
+ if (port == 0) {
+- sp = getservbyname(SSH_SERVICE_NAME, "tcp");
+- port = sp ? ntohs(sp->s_port) : SSH_DEFAULT_PORT;
++ //sp = getservbyname(SSH_SERVICE_NAME, "tcp");
++ //port = sp ? ntohs(sp->s_port) : SSH_DEFAULT_PORT;
+ }
+ return port;
+ }
+
+diff -ru source/regress/unittests/sshkey/test_file.c source-new/regress/unittests/sshkey/test_file.c
+--- source/regress/unittests/sshkey/test_file.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/regress/unittests/sshkey/test_file.c 2017-11-02 18:31:51.945545736 -0700
+@@ -60,9 +60,14 @@
+ 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);
++ {
++ const BIGNUM *n, *p, *q;
++ 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 +156,14 @@
+ 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);
++ {
++ const BIGNUM *g, *priv_key, *pub_key;
++ 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);
+diff -ru source/regress/unittests/sshkey/test_sshkey.c source-new/regress/unittests/sshkey/test_sshkey.c
+--- source/regress/unittests/sshkey/test_sshkey.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/regress/unittests/sshkey/test_sshkey.c 2017-11-02 18:31:51.945545736 -0700
+@@ -197,9 +197,14 @@
+ 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);
++ {
++ const BIGNUM *n, *e, *p;
++ RSA_get0_key(k1->rsa, &n, &e, NULL);
++ RSA_get0_factors(k1->rsa, &p, NULL);
++ ASSERT_PTR_NE(n, NULL);
++ ASSERT_PTR_NE(e, NULL);
++ ASSERT_PTR_EQ(p, NULL);
++ }
+ sshkey_free(k1);
+ TEST_DONE();
+
+@@ -207,8 +212,13 @@
+ 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);
++ {
++ const BIGNUM *g, *priv_key;
++ DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++ DSA_get0_key(k1->dsa, NULL, &priv_key);
++ ASSERT_PTR_NE(g, NULL);
++ ASSERT_PTR_EQ(priv_key, NULL);
++ }
+ sshkey_free(k1);
+ TEST_DONE();
+
+@@ -234,9 +244,14 @@
+ 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);
++ {
++ const BIGNUM *n, *e, *p;
++ RSA_get0_key(k1->rsa, &n, &e, NULL);
++ RSA_get0_factors(k1->rsa, &p, NULL);
++ ASSERT_PTR_NE(n, NULL);
++ ASSERT_PTR_NE(e, NULL);
++ ASSERT_PTR_NE(p, NULL);
++ }
+ ASSERT_INT_EQ(sshkey_add_private(k1), 0);
+ sshkey_free(k1);
+ TEST_DONE();
+@@ -245,8 +260,13 @@
+ 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);
++ {
++ const BIGNUM *g, *priv_key;
++ DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++ DSA_get0_key(k1->dsa, NULL, &priv_key);
++ ASSERT_PTR_NE(g, NULL);
++ ASSERT_PTR_NE(priv_key, NULL);
++ }
+ ASSERT_INT_EQ(sshkey_add_private(k1), 0);
+ sshkey_free(k1);
+ TEST_DONE();
+@@ -285,18 +305,28 @@
+ 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);
++ {
++ const BIGNUM *n, *e, *p;
++ RSA_get0_key(kr->rsa, &n, &e, NULL);
++ RSA_get0_factors(kr->rsa, &p, NULL);
++ ASSERT_PTR_NE(n, NULL);
++ ASSERT_PTR_NE(e, NULL);
++ ASSERT_PTR_NE(p, NULL);
++ ASSERT_INT_EQ(BN_num_bits(n), 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);
++ {
++ const BIGNUM *g, *priv_key;
++ DSA_get0_pqg(kd->dsa, NULL, NULL, &g);
++ DSA_get0_key(kd->dsa, NULL, &priv_key);
++ ASSERT_PTR_NE(g, NULL);
++ ASSERT_PTR_NE(priv_key, NULL);
++ }
+ TEST_DONE();
+
+ #ifdef OPENSSL_HAS_ECC
+@@ -323,9 +353,14 @@
+ 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);
++ {
++ const BIGNUM *n, *e, *p;
++ RSA_get0_key(k1->rsa, &n, &e, NULL);
++ RSA_get0_factors(k1->rsa, &p, NULL);
++ ASSERT_PTR_NE(n, NULL);
++ ASSERT_PTR_NE(e, NULL);
++ ASSERT_PTR_EQ(p, NULL);
++ }
+ TEST_DONE();
+
+ TEST_START("equal KEY_RSA/demoted KEY_RSA");
+@@ -339,8 +374,13 @@
+ 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);
++ {
++ const BIGNUM *g, *priv_key;
++ DSA_get0_pqg(k1->dsa, NULL, NULL, &g);
++ DSA_get0_key(k1->dsa, NULL, &priv_key);
++ ASSERT_PTR_NE(g, NULL);
++ ASSERT_PTR_EQ(priv_key, NULL);
++ }
+ TEST_DONE();
+
+ TEST_START("equal KEY_DSA/demoted KEY_DSA");
+diff -ru source/scp.c source-new/scp.c
+--- source/scp.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/scp.c 2017-11-02 18:31:51.948879063 -0700
+@@ -905,7 +905,7 @@
+ return;
+ }
+ while ((dp = readdir(dirp)) != NULL) {
+- if (dp->d_ino == 0)
++// if (dp->d_ino == 0)
+ continue;
+ if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+ continue;
+diff -ru source/serverloop.c source-new/serverloop.c
+--- source/serverloop.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/serverloop.c 2017-11-02 18:31:51.948879063 -0700
+@@ -349,16 +349,18 @@
+ /* block SIGCHLD while we check for dead children */
+ sigemptyset(&nset);
+ sigaddset(&nset, SIGCHLD);
+- sigprocmask(SIG_BLOCK, &nset, &oset);
+- if (child_terminated) {
+- debug("Received SIGCHLD.");
+- while ((pid = waitpid(-1, &status, WNOHANG)) > 0 ||
+- (pid < 0 && errno == EINTR))
+- if (pid > 0)
+- session_close_by_pid(ssh, pid, status);
+- child_terminated = 0;
+- }
+- sigprocmask(SIG_SETMASK, &oset, NULL);
++ /*
++ *sigprocmask(SIG_BLOCK, &nset, &oset);
++ *if (child_terminated) {
++ * debug("Received SIGCHLD.");
++ * while ((pid = waitpid(-1, &status, WNOHANG)) > 0 ||
++ * (pid < 0 && errno == EINTR))
++ * if (pid > 0)
++ * session_close_by_pid(ssh, pid, status);
++ * child_terminated = 0;
++ *}
++ *sigprocmask(SIG_SETMASK, &oset, NULL);
++ */
+ }
+
+ void
+diff -ru source/session.c source-new/session.c
+--- source/session.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/session.c 2017-11-02 18:31:51.948879063 -0700
+@@ -408,8 +408,8 @@
+ * Create a new session and process group since the 4.4BSD
+ * setlogin() affects the entire process group.
+ */
+- if (setsid() < 0)
+- error("setsid failed: %.100s", strerror(errno));
++ //if (setsid() < 0)
++ // error("setsid failed: %.100s", strerror(errno));
+
+ #ifdef USE_PIPES
+ /*
+@@ -1028,7 +1028,7 @@
+ # endif /* HAVE_CYGWIN */
+ #endif /* HAVE_LOGIN_CAP */
+
+- snprintf(buf, sizeof buf, "%.200s/%.50s", _PATH_MAILDIR, pw->pw_name);
++ //snprintf(buf, sizeof buf, "%.200s/%.50s", _PATH_MAILDIR, pw->pw_name);
+ child_set_env(&env, &envsize, "MAIL", buf);
+
+ /* Normal systems set SHELL by default. */
+@@ -1302,8 +1302,8 @@
+ if (chdir(path) == -1)
+ fatal("Unable to chdir to chroot path \"%s\": "
+ "%s", path, strerror(errno));
+- if (chroot(path) == -1)
+- fatal("chroot(\"%s\"): %s", path, strerror(errno));
++ //if (chroot(path) == -1)
++ // fatal("chroot(\"%s\"): %s", path, strerror(errno));
+ if (chdir("/") == -1)
+ fatal("%s: chdir(/) after chroot: %s",
+ __func__, strerror(errno));
+@@ -1328,16 +1328,20 @@
+ #else
+ if (setlogin(pw->pw_name) < 0)
+ error("setlogin failed: %s", strerror(errno));
+- if (setgid(pw->pw_gid) < 0) {
+- perror("setgid");
+- exit(1);
+- }
++ /*
++ *if (setgid(pw->pw_gid) < 0) {
++ * perror("setgid");
++ * exit(1);
++ *}
++ */
+ /* Initialize the group list. */
+- if (initgroups(pw->pw_name, pw->pw_gid) < 0) {
+- perror("initgroups");
+- exit(1);
+- }
+- endgrent();
++ /*
++ *if (initgroups(pw->pw_name, pw->pw_gid) < 0) {
++ * perror("initgroups");
++ * exit(1);
++ *}
++ */
++ //endgrent();
+ #endif
+
+ platform_setusercontext_post_groups(pw);
+@@ -1444,7 +1448,7 @@
+ * Close any extra file descriptors. Note that there may still be
+ * descriptors left by system functions. They will be closed later.
+ */
+- endpwent();
++ //endpwent();
+
+ /*
+ * Close any extra open file descriptors so that we don't have them
+diff -ru source/sftp.c source-new/sftp.c
+--- source/sftp.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sftp.c 2017-11-02 18:31:51.948879063 -0700
+@@ -822,8 +822,10 @@
+ m += strlen(tmp);
+ free(tmp);
+
+- if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
+- width = ws.ws_col;
++ /*
++ *if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
++ * width = ws.ws_col;
++ */
+
+ columns = width / (m + 2);
+ columns = MAXIMUM(columns, 1);
+@@ -950,8 +952,10 @@
+ return err;
+ }
+
+- if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
+- width = ws.ws_col;
++ /*
++ *if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
++ * width = ws.ws_col;
++ */
+
+ if (!(lflag & LS_SHORT_VIEW)) {
+ /* Count entries for sort and find longest filename */
+@@ -2247,8 +2251,10 @@
+ #else /* USE_PIPES */
+ int inout[2];
+
+- if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
+- fatal("socketpair: %s", strerror(errno));
++ /*
++ *if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
++ * fatal("socketpair: %s", strerror(errno));
++ */
+ *in = *out = inout[0];
+ c_in = c_out = inout[1];
+ #endif /* USE_PIPES */
+@@ -2512,8 +2518,10 @@
+ err = interactive_loop(conn, file1, file2);
+
+ #if !defined(USE_PIPES)
+- shutdown(in, SHUT_RDWR);
+- shutdown(out, SHUT_RDWR);
++ /*
++ *shutdown(in, SHUT_RDWR);
++ *shutdown(out, SHUT_RDWR);
++ */
+ #endif
+
+ close(in);
+diff -ru source/sftp-client.c source-new/sftp-client.c
+--- source/sftp-client.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sftp-client.c 2017-11-02 18:31:51.948879063 -0700
+@@ -121,10 +121,12 @@
+ iov[1].iov_base = (u_char *)sshbuf_ptr(m);
+ iov[1].iov_len = sshbuf_len(m);
+
+- if (atomiciov6(writev, conn->fd_out, iov, 2,
+- conn->limit_kbps > 0 ? sftpio : NULL, &conn->bwlimit_out) !=
+- sshbuf_len(m) + sizeof(mlen))
+- fatal("Couldn't send packet: %s", strerror(errno));
++ /*
++ *if (atomiciov6(writev, conn->fd_out, iov, 2,
++ * conn->limit_kbps > 0 ? sftpio : NULL, &conn->bwlimit_out) !=
++ * sshbuf_len(m) + sizeof(mlen))
++ * fatal("Couldn't send packet: %s", strerror(errno));
++ */
+
+ sshbuf_reset(m);
+ }
+@@ -1832,7 +1834,7 @@
+ }
+
+ while (((dp = readdir(dirp)) != NULL) && !interrupted) {
+- if (dp->d_ino == 0)
++ //if (dp->d_ino == 0)
+ continue;
+ filename = dp->d_name;
+ new_dst = path_append(dst, filename);
+diff -ru source/sftp-glob.c source-new/sftp-glob.c
+--- source/sftp-glob.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sftp-glob.c 2017-11-02 18:31:51.948879063 -0700
+@@ -92,12 +92,13 @@
+ * ALTDIRFUNCs. Not that this is documented anywhere but the
+ * source... Fake an inode number to appease it.
+ */
+- ret->d_ino = inum++;
++// ret->d_ino = inum++;
+ if (!inum)
+ inum = 1;
+ #endif /* __GNU_LIBRARY__ */
+
+- return(ret);
++// return(ret);
++ return 0;
+ }
+
+ static void
+diff -ru source/ssh-agent.c source-new/ssh-agent.c
+--- source/ssh-agent.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-agent.c 2017-11-02 18:31:51.962212373 -0700
+@@ -788,23 +788,25 @@
+ int fd;
+
+ slen = sizeof(sunaddr);
+- fd = accept(sockets[socknum].fd, (struct sockaddr *)&sunaddr, &slen);
+- if (fd < 0) {
+- error("accept from AUTH_SOCKET: %s", strerror(errno));
+- return -1;
+- }
+- if (getpeereid(fd, &euid, &egid) < 0) {
+- error("getpeereid %d failed: %s", fd, strerror(errno));
+- close(fd);
+- return -1;
+- }
+- if ((euid != 0) && (getuid() != euid)) {
+- error("uid mismatch: peer euid %u != uid %u",
+- (u_int) euid, (u_int) getuid());
+- close(fd);
+- return -1;
+- }
+- new_socket(AUTH_CONNECTION, fd);
++ /*
++ *fd = accept(sockets[socknum].fd, (struct sockaddr *)&sunaddr, &slen);
++ *if (fd < 0) {
++ * error("accept from AUTH_SOCKET: %s", strerror(errno));
++ * return -1;
++ *}
++ *if (getpeereid(fd, &euid, &egid) < 0) {
++ * error("getpeereid %d failed: %s", fd, strerror(errno));
++ * close(fd);
++ * return -1;
++ *}
++ *if ((euid != 0) && (getuid() != euid)) {
++ * error("uid mismatch: peer euid %u != uid %u",
++ * (u_int) euid, (u_int) getuid());
++ * close(fd);
++ * return -1;
++ *}
++ *new_socket(AUTH_CONNECTION, fd);
++ */
+ return 0;
+ }
+
+@@ -1037,8 +1039,10 @@
+ sanitise_stdfd();
+
+ /* drop */
+- setegid(getgid());
+- setgid(getgid());
++ /*
++ *setegid(getgid());
++ *setgid(getgid());
++ */
+
+ platform_disable_tracing(0); /* strict=no */
+
+@@ -1212,10 +1216,12 @@
+ /* child */
+ log_init(__progname, SYSLOG_LEVEL_INFO, SYSLOG_FACILITY_AUTH, 0);
+
+- if (setsid() == -1) {
+- error("setsid: %s", strerror(errno));
+- cleanup_exit(1);
+- }
++ /*
++ *if (setsid() == -1) {
++ * error("setsid: %s", strerror(errno));
++ * cleanup_exit(1);
++ *}
++ */
+
+ (void)chdir("/");
+ if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
+diff -ru source/sshconnect.c source-new/sshconnect.c
+--- source/sshconnect.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sshconnect.c 2017-11-02 18:31:51.962212373 -0700
+@@ -115,9 +115,11 @@
+ if ((shell = getenv("SHELL")) == NULL)
+ shell = _PATH_BSHELL;
+
+- if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) < 0)
+- fatal("Could not create socketpair to communicate with "
+- "proxy dialer: %.100s", strerror(errno));
++ /*
++ *if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) < 0)
++ * fatal("Could not create socketpair to communicate with "
++ * "proxy dialer: %.100s", strerror(errno));
++ */
+
+ command_string = expand_proxy_command(proxy_command, options.user,
+ host, port);
+@@ -387,10 +389,12 @@
+ return -1;
+
+ /* Completed or failed */
+- if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &optval, &optlen) == -1) {
+- debug("getsockopt: %s", strerror(errno));
+- return -1;
+- }
++ /*
++ *if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &optval, &optlen) == -1) {
++ * debug("getsockopt: %s", strerror(errno));
++ * return -1;
++ *}
++ */
+ if (optval != 0) {
+ errno = optval;
+ return -1;
+@@ -665,8 +669,8 @@
+ {
+ switch (hostaddr->sa_family) {
+ case AF_INET:
+- return (ntohl(((struct sockaddr_in *)hostaddr)->
+- sin_addr.s_addr) >> 24) == IN_LOOPBACKNET;
++ return 0;/*(ntohl(((struct sockaddr_in *)hostaddr)->
++ sin_addr.s_addr) >> 24) == IN_LOOPBACKNET;*/
+ case AF_INET6:
+ return IN6_IS_ADDR_LOOPBACK(
+ &(((struct sockaddr_in6 *)hostaddr)->sin6_addr));
+diff -ru source/sshd.c source-new/sshd.c
+--- source/sshd.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sshd.c 2017-11-02 18:31:51.965545701 -0700
+@@ -541,9 +541,11 @@
+ /* Demote the child */
+ if (privsep_chroot) {
+ /* Change our root directory */
+- if (chroot(_PATH_PRIVSEP_CHROOT_DIR) == -1)
+- fatal("chroot(\"%s\"): %s", _PATH_PRIVSEP_CHROOT_DIR,
+- strerror(errno));
++ /*
++ *if (chroot(_PATH_PRIVSEP_CHROOT_DIR) == -1)
++ * fatal("chroot(\"%s\"): %s", _PATH_PRIVSEP_CHROOT_DIR,
++ * strerror(errno));
++ */
+ if (chdir("/") == -1)
+ fatal("chdir(\"/\"): %s", strerror(errno));
+
+@@ -551,8 +553,10 @@
+ debug3("privsep user:group %u:%u", (u_int)privsep_pw->pw_uid,
+ (u_int)privsep_pw->pw_gid);
+ gidset[0] = privsep_pw->pw_gid;
+- if (setgroups(1, gidset) < 0)
+- fatal("setgroups: %.100s", strerror(errno));
++ /*
++ *if (setgroups(1, gidset) < 0)
++ * fatal("setgroups: %.100s", strerror(errno));
++ */
+ permanently_set_uid(privsep_pw);
+ }
+ }
+@@ -1054,9 +1058,11 @@
+ * Set socket options.
+ * Allow local port reuse in TIME_WAIT.
+ */
+- if (setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR,
+- &on, sizeof(on)) == -1)
+- error("setsockopt SO_REUSEADDR: %s", strerror(errno));
++ /*
++ *if (setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR,
++ * &on, sizeof(on)) == -1)
++ * error("setsockopt SO_REUSEADDR: %s", strerror(errno));
++ */
+
+ /* Only communicate in IPv6 over AF_INET6 sockets. */
+ if (ai->ai_family == AF_INET6)
+@@ -1158,95 +1164,95 @@
+ startup_pipes[i] = -1;
+ startups--;
+ }
+- for (i = 0; i < num_listen_socks; i++) {
+- if (!FD_ISSET(listen_socks[i], fdset))
+- continue;
+- fromlen = sizeof(from);
+- *newsock = accept(listen_socks[i],
+- (struct sockaddr *)&from, &fromlen);
+- if (*newsock < 0) {
+- if (errno != EINTR && errno != EWOULDBLOCK &&
+- errno != ECONNABORTED && errno != EAGAIN)
+- error("accept: %.100s",
+- strerror(errno));
+- if (errno == EMFILE || errno == ENFILE)
+- usleep(100 * 1000);
+- continue;
+- }
+- if (unset_nonblock(*newsock) == -1) {
+- close(*newsock);
+- continue;
+- }
+- if (drop_connection(startups) == 1) {
+- char *laddr = get_local_ipaddr(*newsock);
+- char *raddr = get_peer_ipaddr(*newsock);
+-
+- verbose("drop connection #%d from [%s]:%d "
+- "on [%s]:%d past MaxStartups", startups,
+- raddr, get_peer_port(*newsock),
+- laddr, get_local_port(*newsock));
+- free(laddr);
+- free(raddr);
+- close(*newsock);
+- continue;
+- }
+- if (pipe(startup_p) == -1) {
+- close(*newsock);
+- continue;
+- }
+-
+- if (rexec_flag && socketpair(AF_UNIX,
+- SOCK_STREAM, 0, config_s) == -1) {
+- error("reexec socketpair: %s",
+- strerror(errno));
+- close(*newsock);
+- close(startup_p[0]);
+- close(startup_p[1]);
+- continue;
+- }
+-
+- for (j = 0; j < options.max_startups; j++)
+- if (startup_pipes[j] == -1) {
+- startup_pipes[j] = startup_p[0];
+- if (maxfd < startup_p[0])
+- maxfd = startup_p[0];
+- startups++;
+- break;
+- }
++ // for (i = 0; i < num_listen_socks; i++) {
++ // if (!FD_ISSET(listen_socks[i], fdset))
++ // continue;
++ // fromlen = sizeof(from);
++ /* *newsock = accept(listen_socks[i],*/
++ /*(struct sockaddr *)&from, &fromlen);*/
++ /*if (*newsock < 0) {*/
++ /*if (errno != EINTR && errno != EWOULDBLOCK &&*/
++ /*errno != ECONNABORTED && errno != EAGAIN)*/
++ /*error("accept: %.100s",*/
++ /*strerror(errno));*/
++ /*if (errno == EMFILE || errno == ENFILE)*/
++ /*usleep(100 * 1000);*/
++ /*continue;*/
++ /*}*/
++ /*if (unset_nonblock(*newsock) == -1) {*/
++ /*close(*newsock);*/
++ /*continue;*/
++ /*}*/
++ /*if (drop_connection(startups) == 1) {*/
++ /*char *laddr = get_local_ipaddr(*newsock);*/
++ /*char *raddr = get_peer_ipaddr(*newsock);*/
++
++ /*verbose("drop connection #%d from [%s]:%d "*/
++ /*"on [%s]:%d past MaxStartups", startups,*/
++ /*raddr, get_peer_port(*newsock),*/
++ /*laddr, get_local_port(*newsock));*/
++ /*free(laddr);*/
++ /*free(raddr);*/
++ /*close(*newsock);*/
++ /*continue;*/
++ /*}*/
++ /*if (pipe(startup_p) == -1) {*/
++ /*close(*newsock);*/
++ /*continue;*/
++ /*}*/
++
++ /*if (rexec_flag && socketpair(AF_UNIX,*/
++ /*SOCK_STREAM, 0, config_s) == -1) {*/
++ /*error("reexec socketpair: %s",*/
++ /*strerror(errno));*/
++ /*close(*newsock);*/
++ /*close(startup_p[0]);*/
++ /*close(startup_p[1]);*/
++ /*continue;*/
++ /*}*/
++
++ /*for (j = 0; j < options.max_startups; j++)*/
++ /*if (startup_pipes[j] == -1) {*/
++ /*startup_pipes[j] = startup_p[0];*/
++ /*if (maxfd < startup_p[0])*/
++ /*maxfd = startup_p[0];*/
++ /*startups++;*/
++ /*break;*/
++ /*}*/
+
+ /*
+ * Got connection. Fork a child to handle it, unless
+ * we are in debugging mode.
+ */
+- if (debug_flag) {
++ /*if (debug_flag) {*/
+ /*
+ * In debugging mode. Close the listening
+ * socket, and start processing the
+ * connection without forking.
+ */
+- debug("Server will not fork when running in debugging mode.");
+- close_listen_socks();
+- *sock_in = *newsock;
+- *sock_out = *newsock;
+- close(startup_p[0]);
+- close(startup_p[1]);
+- startup_pipe = -1;
+- pid = getpid();
+- if (rexec_flag) {
+- send_rexec_state(config_s[0],
+- &cfg);
+- close(config_s[0]);
+- }
+- break;
+- }
++ /*debug("Server will not fork when running in debugging mode.");*/
++ /*close_listen_socks();*/
++ /**sock_in = *newsock;*/
++ /**sock_out = *newsock;*/
++ /*close(startup_p[0]);*/
++ /*close(startup_p[1]);*/
++ /*startup_pipe = -1;*/
++ /*pid = getpid();*/
++ /*if (rexec_flag) {*/
++ /*send_rexec_state(config_s[0],*/
++ /*&cfg);*/
++ /*close(config_s[0]);*/
++ /*}*/
++ /*break;*/
++ /*}*/
+
+ /*
+ * Normal production daemon. Fork, and have
+ * the child process the connection. The
+ * parent continues listening.
+ */
+- platform_pre_fork();
+- if ((pid = fork()) == 0) {
++ /*platform_pre_fork();*/
++ /*if ((pid = fork()) == 0) {*/
+ /*
+ * Child. Close the listening and
+ * max_startup sockets. Start using
+@@ -1255,54 +1261,54 @@
+ * We break out of the loop to handle
+ * the connection.
+ */
+- platform_post_fork_child();
+- startup_pipe = startup_p[1];
+- close_startup_pipes();
+- close_listen_socks();
+- *sock_in = *newsock;
+- *sock_out = *newsock;
+- log_init(__progname,
+- options.log_level,
+- options.log_facility,
+- log_stderr);
+- if (rexec_flag)
+- close(config_s[0]);
+- break;
+- }
+-
+- /* Parent. Stay in the loop. */
+- platform_post_fork_parent(pid);
+- if (pid < 0)
+- error("fork: %.100s", strerror(errno));
+- else
+- debug("Forked child %ld.", (long)pid);
+-
+- close(startup_p[1]);
+-
+- if (rexec_flag) {
+- send_rexec_state(config_s[0], &cfg);
+- close(config_s[0]);
+- close(config_s[1]);
+- }
+- close(*newsock);
++ /*platform_post_fork_child();*/
++ /*startup_pipe = startup_p[1];*/
++ /*close_startup_pipes();*/
++ /*close_listen_socks();*/
++ /**sock_in = *newsock;*/
++ /**sock_out = *newsock;*/
++ /*log_init(__progname,*/
++ /*options.log_level,*/
++ /*options.log_facility,*/
++ /*log_stderr);*/
++ /*if (rexec_flag)*/
++ /*close(config_s[0]);*/
++ /*break;*/
++ /*}*/
++
++ /*[> Parent. Stay in the loop. <]*/
++ /*platform_post_fork_parent(pid);*/
++ /*if (pid < 0)*/
++ /*error("fork: %.100s", strerror(errno));*/
++ /*else*/
++ /*debug("Forked child %ld.", (long)pid);*/
++
++ /*close(startup_p[1]);*/
++
++ /*if (rexec_flag) {*/
++ /*send_rexec_state(config_s[0], &cfg);*/
++ /*close(config_s[0]);*/
++ /*close(config_s[1]);*/
++ /*}*/
++ /*close(*newsock);*/
+
+ /*
+ * Ensure that our random state differs
+ * from that of the child
+ */
+- arc4random_stir();
+- arc4random_buf(rnd, sizeof(rnd));
+-#ifdef WITH_OPENSSL
+- RAND_seed(rnd, sizeof(rnd));
+- if ((RAND_bytes((u_char *)rnd, 1)) != 1)
+- fatal("%s: RAND_bytes failed", __func__);
+-#endif
+- explicit_bzero(rnd, sizeof(rnd));
+- }
+-
+- /* child process check (or debug mode) */
+- if (num_listen_socks < 0)
+- break;
++ /*arc4random_stir();*/
++ /*arc4random_buf(rnd, sizeof(rnd));*/
++/*#ifdef WITH_OPENSSL*/
++ /*RAND_seed(rnd, sizeof(rnd));*/
++ /*if ((RAND_bytes((u_char *)rnd, 1)) != 1)*/
++ /*fatal("%s: RAND_bytes failed", __func__);*/
++/*#endif*/
++ /*explicit_bzero(rnd, sizeof(rnd));*/
++ /*}*/
++
++ /*[> child process check (or debug mode) <]*/
++ /*if (num_listen_socks < 0)*/
++ /* break;*/
+ }
+ }
+
+@@ -1317,36 +1323,38 @@
+ * rest of the interaction and could still bypass security. So we
+ * exit here if we detect any IP options.
+ */
+-static void
+-check_ip_options(struct ssh *ssh)
+-{
+-#ifdef IP_OPTIONS
+- int sock_in = ssh_packet_get_connection_in(ssh);
+- struct sockaddr_storage from;
+- u_char opts[200];
+- socklen_t i, option_size = sizeof(opts), fromlen = sizeof(from);
+- char text[sizeof(opts) * 3 + 1];
+-
+- memset(&from, 0, sizeof(from));
+- if (getpeername(sock_in, (struct sockaddr *)&from,
+- &fromlen) < 0)
+- return;
+- if (from.ss_family != AF_INET)
+- return;
+- /* XXX IPv6 options? */
+-
+- if (getsockopt(sock_in, IPPROTO_IP, IP_OPTIONS, opts,
+- &option_size) >= 0 && option_size != 0) {
+- text[0] = '\0';
+- for (i = 0; i < option_size; i++)
+- snprintf(text + i*3, sizeof(text) - i*3,
+- " %2.2x", opts[i]);
+- fatal("Connection from %.100s port %d with IP opts: %.800s",
+- ssh_remote_ipaddr(ssh), ssh_remote_port(ssh), text);
+- }
+- return;
+-#endif /* IP_OPTIONS */
+-}
++//static void
++/*
++ *check_ip_options(struct ssh *ssh)
++ *{
++ *#ifdef IP_OPTIONS
++ * int sock_in = ssh_packet_get_connection_in(ssh);
++ * struct sockaddr_storage from;
++ * u_char opts[200];
++ * socklen_t i, option_size = sizeof(opts), fromlen = sizeof(from);
++ * char text[sizeof(opts) * 3 + 1];
++ *
++ * memset(&from, 0, sizeof(from));
++ * if (getpeername(sock_in, (struct sockaddr *)&from,
++ * &fromlen) < 0)
++ * return;
++ * if (from.ss_family != AF_INET)
++ * return;
++ * [> XXX IPv6 options? <]
++ *
++ * if (getsockopt(sock_in, IPPROTO_IP, IP_OPTIONS, opts,
++ * &option_size) >= 0 && option_size != 0) {
++ * text[0] = '\0';
++ * for (i = 0; i < option_size; i++)
++ * snprintf(text + i*3, sizeof(text) - i*3,
++ * " %2.2x", opts[i]);
++ * fatal("Connection from %.100s port %d with IP opts: %.800s",
++ * ssh_remote_ipaddr(ssh), ssh_remote_port(ssh), text);
++ * }
++ * return;
++ *#endif [> IP_OPTIONS <]
++ *}
++ */
+
+ /*
+ * Main program for the daemon.
+@@ -1393,9 +1401,11 @@
+ av = saved_argv;
+ #endif
+
+- if (geteuid() == 0 && setgroups(0, NULL) == -1)
+- debug("setgroups(): %.200s", strerror(errno));
+-
++/*
++ * if (geteuid() == 0 && setgroups(0, NULL) == -1)
++ * debug("setgroups(): %.200s", strerror(errno));
++ *
++ */
+ /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
+ sanitise_stdfd();
+
+@@ -1648,7 +1658,7 @@
+ free(privsep_pw->pw_passwd);
+ privsep_pw->pw_passwd = xstrdup("*");
+ }
+- endpwent();
++ //endpwent();
+
+ /* load host keys */
+ sensitive_data.host_keys = xcalloc(options.num_host_key_files,
+@@ -1792,8 +1802,10 @@
+ * to create a file, and we can't control the code in every
+ * module which might be used).
+ */
+- if (setgroups(0, NULL) < 0)
+- debug("setgroups() failed: %.200s", strerror(errno));
++ /*
++ *if (setgroups(0, NULL) < 0)
++ * debug("setgroups() failed: %.200s", strerror(errno));
++ */
+
+ if (rexec_flag) {
+ rexec_argv = xcalloc(rexec_argc + 2, sizeof(char *));
+@@ -1885,8 +1897,10 @@
+ * controlling terminal which will result in "could not set
+ * controlling tty" errors.
+ */
+- if (!debug_flag && !inetd_flag && setsid() < 0)
+- error("setsid: %.100s", strerror(errno));
++ /*
++ *if (!debug_flag && !inetd_flag && setsid() < 0)
++ * error("setsid: %.100s", strerror(errno));
++ */
+ #endif
+
+ if (rexec_flag) {
+@@ -1953,7 +1967,7 @@
+ packet_set_server();
+ ssh = active_state; /* XXX */
+
+- check_ip_options(ssh);
++ //check_ip_options(ssh);
+
+ /* Prepare the channels layer */
+ channel_init_channels(ssh);
+@@ -2026,7 +2040,7 @@
+
+ /* perform the key exchange */
+ /* authenticate user and start session */
+- do_ssh2_kex();
++ //do_ssh2_kex();
+ do_authentication2(authctxt);
+
+ /*
+@@ -2142,73 +2156,75 @@
+ }
+
+ /* SSH2 key exchange */
+-static void
+-do_ssh2_kex(void)
+-{
+- char *myproposal[PROPOSAL_MAX] = { KEX_SERVER };
+- struct kex *kex;
+- int r;
+-
+- myproposal[PROPOSAL_KEX_ALGS] = compat_kex_proposal(
+- options.kex_algorithms);
+- myproposal[PROPOSAL_ENC_ALGS_CTOS] = compat_cipher_proposal(
+- options.ciphers);
+- myproposal[PROPOSAL_ENC_ALGS_STOC] = compat_cipher_proposal(
+- options.ciphers);
+- myproposal[PROPOSAL_MAC_ALGS_CTOS] =
+- myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;
+-
+- if (options.compression == COMP_NONE) {
+- myproposal[PROPOSAL_COMP_ALGS_CTOS] =
+- myproposal[PROPOSAL_COMP_ALGS_STOC] = "none";
+- }
+-
+- if (options.rekey_limit || options.rekey_interval)
+- packet_set_rekey_limits(options.rekey_limit,
+- options.rekey_interval);
+-
+- myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = compat_pkalg_proposal(
+- list_hostkey_types());
+-
+- /* start key exchange */
+- if ((r = kex_setup(active_state, myproposal)) != 0)
+- fatal("kex_setup: %s", ssh_err(r));
+- kex = active_state->kex;
+-#ifdef WITH_OPENSSL
+- kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server;
+- kex->kex[KEX_DH_GRP14_SHA1] = kexdh_server;
+- kex->kex[KEX_DH_GRP14_SHA256] = kexdh_server;
+- kex->kex[KEX_DH_GRP16_SHA512] = kexdh_server;
+- kex->kex[KEX_DH_GRP18_SHA512] = kexdh_server;
+- kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
+- kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
+-# ifdef OPENSSL_HAS_ECC
+- kex->kex[KEX_ECDH_SHA2] = kexecdh_server;
+-# endif
+-#endif
+- kex->kex[KEX_C25519_SHA256] = kexc25519_server;
+- kex->server = 1;
+- kex->client_version_string=client_version_string;
+- kex->server_version_string=server_version_string;
+- kex->load_host_public_key=&get_hostkey_public_by_type;
+- kex->load_host_private_key=&get_hostkey_private_by_type;
+- kex->host_key_index=&get_hostkey_index;
+- kex->sign = sshd_hostkey_sign;
+-
+- ssh_dispatch_run_fatal(active_state, DISPATCH_BLOCK, &kex->done);
+-
+- session_id2 = kex->session_id;
+- session_id2_len = kex->session_id_len;
+-
+-#ifdef DEBUG_KEXDH
+- /* send 1st encrypted/maced/compressed message */
+- packet_start(SSH2_MSG_IGNORE);
+- packet_put_cstring("markus");
+- packet_send();
+- packet_write_wait();
+-#endif
+- debug("KEX done");
+-}
++/*
++ *static void
++ *do_ssh2_kex(void)
++ *{
++ * char *myproposal[PROPOSAL_MAX] = { KEX_SERVER };
++ * struct kex *kex;
++ * int r;
++ *
++ * myproposal[PROPOSAL_KEX_ALGS] = compat_kex_proposal(
++ * options.kex_algorithms);
++ * myproposal[PROPOSAL_ENC_ALGS_CTOS] = compat_cipher_proposal(
++ * options.ciphers);
++ * myproposal[PROPOSAL_ENC_ALGS_STOC] = compat_cipher_proposal(
++ * options.ciphers);
++ * myproposal[PROPOSAL_MAC_ALGS_CTOS] =
++ * myproposal[PROPOSAL_MAC_ALGS_STOC] = options.macs;
++ *
++ * if (options.compression == COMP_NONE) {
++ * myproposal[PROPOSAL_COMP_ALGS_CTOS] =
++ * myproposal[PROPOSAL_COMP_ALGS_STOC] = "none";
++ * }
++ *
++ * if (options.rekey_limit || options.rekey_interval)
++ * packet_set_rekey_limits(options.rekey_limit,
++ * options.rekey_interval);
++ *
++ * myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = compat_pkalg_proposal(
++ * list_hostkey_types());
++ *
++ * [> start key exchange <]
++ * if ((r = kex_setup(active_state, myproposal)) != 0)
++ * fatal("kex_setup: %s", ssh_err(r));
++ * kex = active_state->kex;
++ *#ifdef WITH_OPENSSL
++ * kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server;
++ * kex->kex[KEX_DH_GRP14_SHA1] = kexdh_server;
++ * kex->kex[KEX_DH_GRP14_SHA256] = kexdh_server;
++ * kex->kex[KEX_DH_GRP16_SHA512] = kexdh_server;
++ * kex->kex[KEX_DH_GRP18_SHA512] = kexdh_server;
++ * kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
++ * kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
++ *# ifdef OPENSSL_HAS_ECC
++ * kex->kex[KEX_ECDH_SHA2] = kexecdh_server;
++ *# endif
++ *#endif
++ * kex->kex[KEX_C25519_SHA256] = kexc25519_server;
++ * kex->server = 1;
++ * kex->client_version_string=client_version_string;
++ * kex->server_version_string=server_version_string;
++ * kex->load_host_public_key=&get_hostkey_public_by_type;
++ * kex->load_host_private_key=&get_hostkey_private_by_type;
++ * kex->host_key_index=&get_hostkey_index;
++ * kex->sign = sshd_hostkey_sign;
++ *
++ * ssh_dispatch_run_fatal(active_state, DISPATCH_BLOCK, &kex->done);
++ *
++ * session_id2 = kex->session_id;
++ * session_id2_len = kex->session_id_len;
++ *
++ *#ifdef DEBUG_KEXDH
++ * [> send 1st encrypted/maced/compressed message <]
++ * packet_start(SSH2_MSG_IGNORE);
++ * packet_put_cstring("markus");
++ * packet_send();
++ * packet_write_wait();
++ *#endif
++ * debug("KEX done");
++ *}
++ */
+
+ /* server specific fatal cleanup */
+ void
+diff -ru source/ssh-dss.c source-new/ssh-dss.c
+--- source/ssh-dss.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-dss.c 2017-11-02 18:31:51.968879029 -0700
+@@ -53,6 +53,7 @@
+ DSA_SIG *sig = NULL;
+ u_char digest[SSH_DIGEST_MAX_LENGTH], sigblob[SIGBLOB_LEN];
+ size_t rlen, slen, len, dlen = ssh_digest_bytes(SSH_DIGEST_SHA1);
++ const BIGNUM *r, *s;
+ struct sshbuf *b = NULL;
+ int ret = SSH_ERR_INVALID_ARGUMENT;
+
+@@ -76,15 +77,16 @@
+ 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) {
+@@ -176,17 +178,26 @@
+ }
+
+ /* parse signature */
++ {
++ BIGNUM *r=NULL, *s=NULL;
+ 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;
++ BN_free(r);
++ BN_free(s);
+ 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)) {
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
++ BN_free(r);
++ BN_free(s);
+ goto out;
+ }
++ DSA_SIG_set0(sig, r, s);
++ r = s = NULL;
++ }
+
+ /* sha1 the data */
+ if ((ret = ssh_digest_memory(SSH_DIGEST_SHA1, data, datalen,
+diff -ru source/ssh-ecdsa.c source-new/ssh-ecdsa.c
+--- source/ssh-ecdsa.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-ecdsa.c 2017-11-02 18:31:51.968879029 -0700
+@@ -80,9 +80,14 @@
+ ret = SSH_ERR_ALLOC_FAIL;
+ goto out;
+ }
+- if ((ret = sshbuf_put_bignum2(bb, sig->r)) != 0 ||
+- (ret = sshbuf_put_bignum2(bb, sig->s)) != 0)
++ {
++ const BIGNUM *r, *s;
++ 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)
+ goto out;
+@@ -151,11 +156,27 @@
+ ret = SSH_ERR_ALLOC_FAIL;
+ goto out;
+ }
+- if (sshbuf_get_bignum2(sigbuf, sig->r) != 0 ||
+- sshbuf_get_bignum2(sigbuf, sig->s) != 0) {
++ {
++ BIGNUM *r=NULL, *s=NULL;
++ if ((r = BN_new()) == NULL ||
++ (s = BN_new()) == NULL) {
++ ret = SSH_ERR_ALLOC_FAIL;
++ goto out_rs;
++ }
++ if (sshbuf_get_bignum2(sigbuf, r) != 0 ||
++ sshbuf_get_bignum2(sigbuf, s) != 0) {
+ ret = SSH_ERR_INVALID_FORMAT;
++ goto out_rs;
++ }
++ if (ECDSA_SIG_set0(sig, r, s) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++out_rs:
++ BN_free(r);
++ BN_free(s);
+ goto out;
+ }
++ r = s = NULL;
++ }
+ if (sshbuf_len(sigbuf) != 0) {
+ ret = SSH_ERR_UNEXPECTED_TRAILING_DATA;
+ goto out;
+diff -ru source/sshkey.c source-new/sshkey.c
+--- source/sshkey.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sshkey.c 2017-11-02 18:31:51.968879029 -0700
+@@ -264,10 +264,18 @@
+ #ifdef WITH_OPENSSL
+ case KEY_RSA:
+ case KEY_RSA_CERT:
+- return BN_num_bits(k->rsa->n);
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++ return RSA_bits(k->rsa);
++#else
++ return RSA_bits(key->rsa);
++#endif
+ case KEY_DSA:
+ case KEY_DSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++ return DSA_bits(k->dsa);
++#else
+ return BN_num_bits(k->dsa->p);
++#endif
+ case KEY_ECDSA:
+ case KEY_ECDSA_CERT:
+ return sshkey_curve_nid_to_bits(k->ecdsa_nid);
+@@ -466,28 +474,55 @@
+ #ifdef WITH_OPENSSL
+ case KEY_RSA:
+ case KEY_RSA_CERT:
++ {
++ BIGNUM *n=NULL, *e=NULL; /* just allocate */
+ if ((rsa = RSA_new()) == NULL ||
+- (rsa->n = BN_new()) == NULL ||
+- (rsa->e = BN_new()) == NULL) {
++ (n = BN_new()) == NULL ||
++ (e = BN_new()) == NULL) {
++ BN_free(n);
++ BN_free(e);
+ if (rsa != NULL)
+ RSA_free(rsa);
+ free(k);
+ return NULL;
+ }
++ BN_clear(n); BN_clear(e);
++ if (RSA_set0_key(rsa, n, e, NULL) == 0)
++ return NULL;
++ n = e = NULL;
++ }
+ k->rsa = rsa;
+ break;
+ case KEY_DSA:
+ case KEY_DSA_CERT:
++ {
++ BIGNUM *p=NULL, *q=NULL, *g=NULL, *pubkey=NULL; /* just allocate */
+ 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) {
++ (p = BN_new()) == NULL ||
++ (q = BN_new()) == NULL ||
++ (g = BN_new()) == NULL ||
++ (pubkey = BN_new()) == NULL) {
++ BN_free(p);
++ BN_free(q);
++ BN_free(g);
++ BN_free(pubkey);
+ if (dsa != NULL)
+ DSA_free(dsa);
+ free(k);
+ return NULL;
+ }
++ if (DSA_set0_pqg(dsa, p, q, g) == 0) {
++ BN_free(p); BN_free(q); BN_free(g);
++ BN_free(pubkey);
++ return NULL;
++ }
++ p = q = g = NULL;
++ if (DSA_set0_key(dsa, pubkey, NULL) == 0) {
++ BN_free(pubkey);
++ return NULL;
++ }
++ pubkey = NULL;
++ }
+ k->dsa = dsa;
+ break;
+ case KEY_ECDSA:
+@@ -523,6 +558,51 @@
+ #ifdef WITH_OPENSSL
+ case KEY_RSA:
+ case KEY_RSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++ /* Allocate BIGNUM. This is a mess.
++ For OpenSSL 1.1.x API these shouldn't be mandatory,
++ but some regression tests for non-NULL pointer of
++ the data. */
++#define new_or_dup(bn, nbn) \
++ if (bn == NULL) { \
++ if ((nbn = BN_new()) == NULL) \
++ return SSH_ERR_ALLOC_FAIL; \
++ } else { \
++ /* otherwise use-after-free will occur */ \
++ if ((nbn = BN_dup(bn)) == NULL) \
++ return SSH_ERR_ALLOC_FAIL; \
++ }
++ {
++ const BIGNUM *d, *iqmp, *q, *p, *dmq1, *dmp1; /* allocate if NULL */
++ BIGNUM *nd, *niqmp, *nq, *np, *ndmq1, *ndmp1;
++
++ RSA_get0_key(k->rsa, NULL, NULL, &d);
++ RSA_get0_factors(k->rsa, &p, &q);
++ RSA_get0_crt_params(k->rsa, &dmp1, &dmq1, &iqmp);
++
++ new_or_dup(d, nd);
++ new_or_dup(iqmp, niqmp);
++ new_or_dup(q, nq);
++ new_or_dup(p, np);
++ new_or_dup(dmq1, ndmq1);
++ new_or_dup(dmp1, ndmp1);
++
++ if (RSA_set0_key(k->rsa, NULL, NULL, nd) == 0)
++ goto error1;
++ nd = NULL;
++ if (RSA_set0_factors(k->rsa, np, nq) == 0)
++ goto error1;
++ np = nq = NULL;
++ if (RSA_set0_crt_params(k->rsa, ndmp1, ndmq1, niqmp) == 0) {
++error1:
++ BN_free(nd);
++ BN_free(np); BN_free(nq);
++ BN_free(ndmp1); BN_free(ndmq1); BN_free(niqmp);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ ndmp1 = ndmq1 = niqmp = NULL;
++ }
++#else
+ #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) ||
+@@ -531,13 +611,28 @@
+ bn_maybe_alloc_failed(k->rsa->dmq1) ||
+ bn_maybe_alloc_failed(k->rsa->dmp1))
+ return SSH_ERR_ALLOC_FAIL;
++#endif
+ break;
+ case KEY_DSA:
+ case KEY_DSA_CERT:
++#if OPENSSL_VERSION_NUMBER >= 0x10100000UL
++ {
++ const BIGNUM *priv_key;
++ BIGNUM *npriv_key;
++ DSA_get0_key(k->dsa, NULL, &priv_key);
++ new_or_dup(priv_key, npriv_key);
++ if (DSA_set0_key(k->dsa, NULL, npriv_key) == 0) {
++ BN_free(npriv_key);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ }
++#else
+ if (bn_maybe_alloc_failed(k->dsa->priv_key))
+ return SSH_ERR_ALLOC_FAIL;
++#endif
+ break;
+ #undef bn_maybe_alloc_failed
++#undef new_or_dup
+ case KEY_ECDSA:
+ case KEY_ECDSA_CERT:
+ /* Cannot do anything until we know the group */
+@@ -655,16 +750,34 @@
+ #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;
++ {
++ const BIGNUM *a_e, *b_e, *a_n, *b_n;
++ const BIGNUM *a_d, *b_d;
++ if (a->rsa == NULL) return 0;
++ if (b->rsa == NULL) return 0;
++ RSA_get0_key(a->rsa, &a_n, &a_e, &a_d);
++ RSA_get0_key(b->rsa, &b_n, &b_e, &b_d);
++ 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;
++ {
++ 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) return 0;
++ if (b->dsa == NULL) return 0;
++ DSA_get0_pqg(a->dsa, &a_p, &a_q, &a_g);
++ DSA_get0_pqg(b->dsa, &b_p, &b_q, &b_g);
++ DSA_get0_key(a->dsa, &a_pub_key, NULL);
++ 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:
+@@ -742,12 +855,17 @@
+ case KEY_DSA:
+ if (key->dsa == NULL)
+ return SSH_ERR_INVALID_ARGUMENT;
++ {
++ const BIGNUM *p, *q, *g, *pub_key;
++ 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, 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)
++ (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:
+@@ -763,10 +881,14 @@
+ case KEY_RSA:
+ if (key->rsa == NULL)
+ return SSH_ERR_INVALID_ARGUMENT;
++ {
++ const BIGNUM *e, *n;
++ RSA_get0_key(key->rsa, &n, &e, NULL);
+ 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)
++ (ret = sshbuf_put_bignum2(b, e)) != 0 ||
++ (ret = sshbuf_put_bignum2(b, n)) != 0)
+ return ret;
++ }
+ break;
+ #endif /* WITH_OPENSSL */
+ case KEY_ED25519:
+@@ -1643,13 +1765,32 @@
+ 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)) {
++ {
++ const BIGNUM *p, *q, *g, *pub_key, *priv_key;
++ BIGNUM *cp=NULL, *cq=NULL, *cg=NULL, *cpub_key=NULL;
++ DSA_get0_pqg(k->dsa, &p, &q, &g);
++ DSA_get0_key(k->dsa, &pub_key, &priv_key);
++ if ((cp = BN_dup(p)) == NULL ||
++ (cq = BN_dup(q)) == NULL ||
++ (cg = BN_dup(g)) == NULL ||
++ (cpub_key = BN_dup(pub_key)) == NULL) {
++ BN_free(cp); BN_free(cq); BN_free(cg);
++ BN_free(cpub_key);
+ sshkey_free(n);
+ return SSH_ERR_ALLOC_FAIL;
+ }
++ if (DSA_set0_pqg(n->dsa, cp, cq, cg) == 0)
++ goto error1;
++ cp = cq = cg = NULL;
++ if (DSA_set0_key(n->dsa, cpub_key, NULL) == 0) {
++error1:
++ BN_free(cp); BN_free(cq); BN_free(cg);
++ BN_free(cpub_key);
++ sshkey_free(n);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ cpub_key = NULL;
++ }
+ break;
+ # ifdef OPENSSL_HAS_ECC
+ case KEY_ECDSA:
+@@ -1673,11 +1814,23 @@
+ 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)) {
++ {
++ const BIGNUM *nn, *e, *d;
++ BIGNUM *cn=NULL, *ce=NULL;
++ RSA_get0_key(k->rsa, &nn, &e, &d);
++ if ((cn = BN_dup(nn)) == NULL ||
++ (ce = BN_dup(e)) == NULL ) {
++ BN_free(cn); BN_free(ce);
+ sshkey_free(n);
+ return SSH_ERR_ALLOC_FAIL;
+ }
++ if (RSA_set0_key(n->rsa, cn, ce, NULL) == 0) {
++ BN_free(cn); BN_free(ce);
++ sshkey_free(n);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ cn = ce = NULL;
++ }
+ break;
+ #endif /* WITH_OPENSSL */
+ case KEY_ED25519:
+@@ -1875,12 +2028,27 @@
+ ret = SSH_ERR_ALLOC_FAIL;
+ goto out;
+ }
+- if (sshbuf_get_bignum2(b, key->rsa->e) != 0 ||
+- sshbuf_get_bignum2(b, key->rsa->n) != 0) {
++ {
++ BIGNUM *e=NULL, *n=NULL;
++ if ((e = BN_new()) == NULL ||
++ (n = BN_new()) == NULL ) {
++ ret = SSH_ERR_ALLOC_FAIL;
++ BN_free(e); BN_free(n);
++ goto out;
++ }
++ if (sshbuf_get_bignum2(b, e) != 0 ||
++ sshbuf_get_bignum2(b, n) != 0) {
+ ret = SSH_ERR_INVALID_FORMAT;
++ BN_free(e); BN_free(n);
+ goto out;
+ }
+- if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ if (RSA_set0_key(key->rsa, n, e, NULL) == 0) {
++ BN_free(e); BN_free(n);
++ return SSH_ERR_LIBCRYPTO_ERROR;
++ }
++ n = e = NULL;
++ }
++ if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ ret = SSH_ERR_KEY_LENGTH;
+ goto out;
+ }
+@@ -1900,13 +2068,36 @@
+ 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) {
++ {
++ BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL;
++ if ((p = BN_new()) == NULL ||
++ (q = BN_new()) == NULL ||
++ (g = BN_new()) == NULL ||
++ (pub_key = BN_new()) == NULL) {
++ ret = SSH_ERR_ALLOC_FAIL;
++ goto error1;
++ }
++ if (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) {
+ ret = SSH_ERR_INVALID_FORMAT;
++ goto error1;
++ }
++ if (DSA_set0_pqg(key->dsa, p, q, g) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error1;
++ }
++ p = q = g = NULL;
++ if (DSA_set0_key(key->dsa, pub_key, NULL) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++ BN_free(p); BN_free(q); BN_free(g);
++ BN_free(pub_key);
+ goto out;
+ }
++ pub_key = NULL;
++ }
+ #ifdef DEBUG_PK
+ DSA_print_fp(stderr, key->dsa, 8);
+ #endif
+@@ -2140,26 +2331,63 @@
+ 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) {
++ if ((pk->rsa = RSA_new()) == NULL ){
+ ret = SSH_ERR_ALLOC_FAIL;
+ goto fail;
+ }
++ {
++ const BIGNUM *ke, *kn;
++ BIGNUM *pke=NULL, *pkn=NULL;
++ RSA_get0_key(k->rsa, &kn, &ke, NULL);
++ if ((pke = BN_dup(ke)) == NULL ||
++ (pkn = BN_dup(kn)) == NULL) {
++ ret = SSH_ERR_ALLOC_FAIL;
++ BN_free(pke); BN_free(pkn);
++ goto fail;
++ }
++ if (RSA_set0_key(pk->rsa, pkn, pke, NULL) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++ BN_free(pke); BN_free(pkn);
++ goto fail;
++ }
++ pkn = pke = NULL;
++ }
+ 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) {
++ if ((pk->dsa = DSA_new()) == NULL ) {
+ ret = SSH_ERR_ALLOC_FAIL;
+ goto fail;
+ }
++ {
++ const BIGNUM *kp, *kq, *kg, *kpub_key;
++ BIGNUM *pkp=NULL, *pkq=NULL, *pkg=NULL, *pkpub_key=NULL;
++ DSA_get0_pqg(k->dsa, &kp, &kq, &kg);
++ DSA_get0_key(k->dsa, &kpub_key, NULL);
++ if ((pkp = BN_dup(kp)) == NULL ||
++ (pkq = BN_dup(kq)) == NULL ||
++ (pkg = BN_dup(kg)) == NULL ||
++ (pkpub_key = BN_dup(kpub_key)) == NULL) {
++ ret = SSH_ERR_ALLOC_FAIL;
++ goto error1;
++ }
++ if (DSA_set0_pqg(pk->dsa, pkp, pkq, pkg) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error1;
++ }
++ pkp = pkq = pkg = NULL;
++ if (DSA_set0_key(pk->dsa, pkpub_key, NULL) == 0) {
++ ret = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++ BN_free(pkp); BN_free(pkq); BN_free(pkg);
++ BN_free(pkpub_key);
++ goto fail;
++ }
++ pkpub_key = NULL;
++ }
+ break;
+ case KEY_ECDSA_CERT:
+ if ((ret = sshkey_cert_copy(k, pk)) != 0)
+@@ -2281,11 +2509,17 @@
+ 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)
++ {
++ 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:
+@@ -2298,9 +2532,15 @@
+ 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)
++ {
++ const BIGNUM *e, *n;
++ RSA_get0_key(k->rsa, &n, &e, NULL);
++ if (n == NULL || e == 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:
+@@ -2474,42 +2714,67 @@
+ 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)
++ {
++ 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;
+ }
++ {
++ const BIGNUM *d, *iqmp, *p, *q;
++ RSA_get0_key(key->rsa, NULL, NULL, &d);
++ RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp);
++ RSA_get0_factors(key->rsa, &p, &q);
+ 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)
++ (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)
++ {
++ 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;
+ }
++ {
++ 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, key->dsa->priv_key)) != 0)
++ (r = sshbuf_put_bignum2(b, priv_key)) != 0) {
+ goto out;
++ }
++ }
+ break;
+ # ifdef OPENSSL_HAS_ECC
+ case KEY_ECDSA:
+@@ -2585,18 +2850,61 @@
+ 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)
++ {
++ BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL, *priv_key=NULL;
++ if ((p = BN_new()) == NULL ||
++ (q = BN_new()) == NULL ||
++ (g = BN_new()) == NULL ||
++ (pub_key = BN_new()) == NULL ||
++ (priv_key = BN_new()) == NULL) {
++ r = SSH_ERR_ALLOC_FAIL;
++ goto error1;
++ }
++ 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) {
++ goto error1;
++ }
++ if (DSA_set0_pqg(k->dsa, p, q, g) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error1;
++ }
++ p = q = g = NULL;
++ if (DSA_set0_key(k->dsa, pub_key, priv_key) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++error1:
++ BN_free(p); BN_free(q); BN_free(g);
++ BN_free(pub_key); BN_free(priv_key);
+ goto out;
++ }
++ pub_key = priv_key = NULL;
++ }
+ break;
+ case KEY_DSA_CERT:
+- if ((r = sshkey_froms(buf, &k)) != 0 ||
++ {
++ BIGNUM *priv_key=NULL;
++ if ((priv_key = BN_new()) == NULL) {
++ r = SSH_ERR_ALLOC_FAIL;
++ goto out;
++ }
++ if (priv_key == NULL ||
++ (r = sshkey_froms(buf, &k)) != 0 ||
+ (r = sshkey_add_private(k)) != 0 ||
+- (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0)
++ (r = sshbuf_get_bignum2(buf, priv_key)) != 0) {
++ BN_free(priv_key);
++ goto out;
++ }
++ if (DSA_set0_key(k->dsa, NULL, priv_key) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ BN_free(priv_key);
+ goto out;
++ }
++ priv_key = NULL;
++ }
+ break;
+ # ifdef OPENSSL_HAS_ECC
+ case KEY_ECDSA:
+@@ -2655,29 +2963,104 @@
+ 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)
++ {
++ BIGNUM *n=NULL, *e=NULL, *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL;
++ BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */
++ if ((n = BN_new()) == NULL ||
++ (e = BN_new()) == NULL ||
++ (d = BN_new()) == NULL ||
++ (iqmp = BN_new()) == NULL ||
++ (p = BN_new()) == NULL ||
++ (q = BN_new()) == NULL ||
++ (dmp1 = BN_new()) == NULL ||
++ (dmq1 = BN_new()) == NULL) {
++ r = SSH_ERR_ALLOC_FAIL;
++ goto error2;
++ }
++ BN_clear(dmp1); BN_clear(dmq1);
++ if ((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) {
++ goto error2;
++ }
++ if (RSA_set0_key(k->rsa, n, e, d) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error2;
++ }
++ n = e = d = NULL;
++ /* dmp1,dmpq1 should be non NULL to set iqmp value */
++ if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error2;
++ }
++ dmp1 = dmq1 = iqmp = NULL;
++ if (RSA_set0_factors(k->rsa, p, q) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ error2:
++ BN_free(n); BN_free(e); BN_free(d);
++ BN_free(iqmp);
++ BN_free(p); BN_free(q);
++ BN_free(dmp1); BN_free(dmq1);
++ goto out;
++ }
++ p = q = NULL;
++ if ((r = ssh_rsa_generate_additional_parameters(k)) != 0) {
+ goto out;
+- if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ }
++ }
++ if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ r = SSH_ERR_KEY_LENGTH;
+ goto out;
+ }
+ break;
+ case KEY_RSA_CERT:
++ {
++ BIGNUM *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL;
++ BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */
++ if ((d = BN_new()) == NULL ||
++ (iqmp = BN_new()) == NULL ||
++ (p = BN_new()) == NULL ||
++ (q = BN_new()) == NULL ||
++ (dmp1 = BN_new()) == NULL ||
++ (dmq1 = BN_new()) == NULL) {
++ r = SSH_ERR_ALLOC_FAIL;
++ goto error3;
++ }
++ BN_clear(dmp1); BN_clear(dmq1);
+ 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)
++ (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) {
++ goto error3;
++ }
++ if (RSA_set0_key(k->rsa, NULL, NULL, d) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error3;
++ }
++ /* dmp1,dmpq1 should be non NULL to set value */
++ if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ goto error3;
++ }
++ dmp1 = dmq1 = iqmp = NULL;
++ if (RSA_set0_factors(k->rsa, p, q) == 0) {
++ r = SSH_ERR_LIBCRYPTO_ERROR;
++ error3:
++ BN_free(d); BN_free(iqmp);
++ BN_free(p); BN_free(q);
++ BN_free(dmp1); BN_free(dmq1);
+ goto out;
+- if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
++ }
++ p = q = NULL;
++ if ((r = ssh_rsa_generate_additional_parameters(k)) != 0)
++ goto out;
++ }
++ if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) {
+ r = SSH_ERR_KEY_LENGTH;
+ goto out;
+ }
+@@ -3395,7 +3778,6 @@
+ switch (pem_reason) {
+ case EVP_R_BAD_DECRYPT:
+ return SSH_ERR_KEY_WRONG_PASSPHRASE;
+- case EVP_R_BN_DECODE_ERROR:
+ case EVP_R_DECODE_ERROR:
+ #ifdef EVP_R_PRIVATE_KEY_DECODE_ERROR
+ case EVP_R_PRIVATE_KEY_DECODE_ERROR:
+@@ -3460,7 +3842,7 @@
+ 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;
+@@ -3475,11 +3857,11 @@
+ 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;
+@@ -3491,7 +3873,7 @@
+ 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;
+diff -ru source/ssh-keygen.c source-new/ssh-keygen.c
+--- source/ssh-keygen.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-keygen.c 2017-11-02 18:31:51.972212355 -0700
+@@ -496,11 +496,33 @@
+
+ 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);
++ {
++ 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) {
++ BN_free(p);
++ BN_free(g);
++ BN_free(q);
++ BN_free(pub_key);
++ BN_free(priv_key);
++ return NULL;
++ }
++ 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");
++ BN_free(p); BN_free(g); BN_free(q);
++ BN_free(pub_key); BN_free(priv_key);
++ return NULL;
++ }
++ }
+ break;
+ case KEY_RSA:
+ if ((r = sshbuf_get_u8(b, &e1)) != 0 ||
+@@ -517,16 +539,52 @@
+ e += e3;
+ debug("e %lx", e);
+ }
+- if (!BN_set_word(key->rsa->e, e)) {
++ {
++ BIGNUM *rsa_e = NULL;
++ BIGNUM *d=NULL, *n=NULL, *iqmp=NULL, *q=NULL, *p=NULL;
++ BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy input to set in RSA_set0_crt_params */
++ rsa_e = BN_new();
++ if (!rsa_e || !BN_set_word(rsa_e, e)) {
++ if (rsa_e) BN_free(rsa_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 ((d=BN_new()) == NULL ||
++ (n=BN_new()) == NULL ||
++ (iqmp=BN_new()) == NULL ||
++ (q=BN_new()) == NULL ||
++ (p=BN_new()) == NULL ||
++ (dmp1=BN_new()) == NULL ||
++ (dmq1=BN_new()) == NULL) {
++ BN_free(d); BN_free(n); BN_free(iqmp);
++ BN_free(q); BN_free(p);
++ BN_free(dmp1); BN_free(dmq1);
++ return NULL;
++ }
++ BN_clear(dmp1); BN_clear(dmq1);
++ buffer_get_bignum_bits(b, d);
++ buffer_get_bignum_bits(b, n);
++ buffer_get_bignum_bits(b, iqmp);
++ buffer_get_bignum_bits(b, q);
++ buffer_get_bignum_bits(b, p);
++ if (RSA_set0_key(key->rsa, n, rsa_e, d) == 0)
++ goto null;
++ n = d = NULL;
++ if (RSA_set0_factors(key->rsa, p, q) == 0)
++ goto null;
++ p = q = NULL;
++ /* dmp1, dmq1 should not be NULL for initial set0 */
++ if (RSA_set0_crt_params(key->rsa, dmp1, dmq1, iqmp) == 0) {
++ null:
++ fatal("Failed to set RSA parameters");
++ BN_free(d); BN_free(n); BN_free(iqmp);
++ BN_free(q); BN_free(p);
++ BN_free(dmp1); BN_free(dmq1);
++ return NULL;
++ }
++ dmp1 = dmq1 = iqmp = NULL;
++ }
+ if ((r = ssh_rsa_generate_additional_parameters(key)) != 0)
+ fatal("generate RSA parameters failed: %s", ssh_err(r));
+ break;
+@@ -636,7 +694,7 @@
+ identity_file);
+ }
+ fclose(fp);
+- switch (EVP_PKEY_type(pubkey->type)) {
++ switch (EVP_PKEY_type(EVP_PKEY_id(pubkey))) {
+ case EVP_PKEY_RSA:
+ if ((*k = sshkey_new(KEY_UNSPEC)) == NULL)
+ fatal("sshkey_new failed");
+@@ -660,7 +718,7 @@
+ #endif
+ default:
+ fatal("%s: unsupported pubkey type %d", __func__,
+- EVP_PKEY_type(pubkey->type));
++ EVP_PKEY_type(EVP_PKEY_id(pubkey)));
+ }
+ EVP_PKEY_free(pubkey);
+ return;
+@@ -1063,7 +1121,7 @@
+ pub_tmp, strerror(errno));
+ goto failnext;
+ }
+- (void)fchmod(fd, 0644);
++ //(void)fchmod(fd, 0644);
+ f = fdopen(fd, "w");
+ if (f == NULL) {
+ error("fdopen %s failed: %s", pub_tmp, strerror(errno));
+diff -ru source/ssh-pkcs11.c source-new/ssh-pkcs11.c
+--- source/ssh-pkcs11.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-pkcs11.c 2017-11-02 18:31:51.978879010 -0700
+@@ -67,7 +67,7 @@
+ 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;
+ };
+@@ -326,13 +326,15 @@
+ 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_new("pkcs11", RSA_meth_get_flags(def))) == NULL)
++ return -1;
++ RSA_meth_set_priv_enc(k11->rsa_method, pkcs11_rsa_private_encrypt);
++ RSA_meth_set_priv_dec(k11->rsa_method, pkcs11_rsa_private_decrypt);
++ RSA_meth_set_finish(k11->rsa_method, pkcs11_rsa_finish);
++
++ RSA_set_method(rsa, k11->rsa_method);
+ RSA_set_app_data(rsa, k11);
+ return (0);
+ }
+@@ -512,10 +514,19 @@
+ if ((rsa = RSA_new()) == NULL) {
+ error("RSA_new failed");
+ } else {
+- rsa->n = BN_bin2bn(attribs[1].pValue,
+- attribs[1].ulValueLen, NULL);
+- rsa->e = BN_bin2bn(attribs[2].pValue,
+- attribs[2].ulValueLen, NULL);
++ BIGNUM *n=NULL, *e=NULL;
++ n = BN_new();
++ e = BN_new();
++ if (n == NULL || e == NULL)
++ error("BN_new alloc failed");
++ if (BN_bin2bn(attribs[1].pValue,
++ attribs[1].ulValueLen, n) == NULL ||
++ BN_bin2bn(attribs[2].pValue,
++ attribs[2].ulValueLen, e) == NULL)
++ error("BN_bin2bn failed");
++ if (RSA_set0_key(rsa, n, e, NULL) == 0)
++ error("RSA_set0_key failed");
++ n = e = NULL;
+ }
+ } else {
+ cp = attribs[2].pValue;
+@@ -525,17 +536,20 @@
+ == 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 &&
++ {
++ const BIGNUM *n, *e;
++ 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");
+@@ -555,6 +569,7 @@
+ } else if (rsa) {
+ RSA_free(rsa);
+ }
++ }
+ for (i = 0; i < 3; i++)
+ free(attribs[i].pValue);
+ }
+diff -ru source/ssh-pkcs11-client.c source-new/ssh-pkcs11-client.c
+--- source/ssh-pkcs11-client.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-pkcs11-client.c 2017-11-02 18:31:51.978879010 -0700
+@@ -143,12 +143,13 @@
+ 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 = RSA_meth_dup(RSA_get_default_method())) == NULL)
++ return (-1); /* XXX but caller isn't checking */
++ 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);
+ }
+
+diff -ru source/sshpty.c source-new/sshpty.c
+--- source/sshpty.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/sshpty.c 2017-11-02 18:31:51.978879010 -0700
+@@ -128,12 +128,12 @@
+ #ifdef TIOCNOTTY
+ fd = open(_PATH_TTY, O_RDWR | O_NOCTTY);
+ if (fd >= 0) {
+- (void) ioctl(fd, TIOCNOTTY, NULL);
++ //(void) ioctl(fd, TIOCNOTTY, NULL);
+ close(fd);
+ }
+ #endif /* TIOCNOTTY */
+- if (setsid() < 0)
+- error("setsid: %.100s", strerror(errno));
++ //if (setsid() < 0)
++ // error("setsid: %.100s", strerror(errno));
+
+ /*
+ * Verify that we are successfully disconnected from the controlling
+@@ -147,8 +147,8 @@
+ /* Make it our controlling tty. */
+ #ifdef TIOCSCTTY
+ debug("Setting controlling tty using TIOCSCTTY.");
+- if (ioctl(*ttyfd, TIOCSCTTY, NULL) < 0)
+- error("ioctl(TIOCSCTTY): %.100s", strerror(errno));
++ //if (ioctl(*ttyfd, TIOCSCTTY, NULL) < 0)
++ // error("ioctl(TIOCSCTTY): %.100s", strerror(errno));
+ #endif /* TIOCSCTTY */
+ #ifdef NEED_SETPGRP
+ if (setpgrp(0,0) < 0)
+@@ -183,7 +183,7 @@
+ w.ws_col = col;
+ w.ws_xpixel = xpixel;
+ w.ws_ypixel = ypixel;
+- (void) ioctl(ptyfd, TIOCSWINSZ, &w);
++ //(void) ioctl(ptyfd, TIOCSWINSZ, &w);
+ }
+
+ void
+@@ -195,9 +195,9 @@
+ struct stat st;
+
+ /* Determine the group to make the owner of the tty. */
+- grp = getgrnam("tty");
+- gid = (grp != NULL) ? grp->gr_gid : pw->pw_gid;
+- mode = (grp != NULL) ? 0620 : 0600;
++ //grp = getgrnam("tty");
++ //gid = (grp != NULL) ? grp->gr_gid : pw->pw_gid;
++ //mode = (grp != NULL) ? 0620 : 0600;
+
+ /*
+ * Change owner and mode of the tty as required.
+@@ -247,7 +247,7 @@
+ int fd;
+
+ if ((fd = open(_PATH_TTY, O_RDWR | O_NOCTTY)) >= 0) {
+- (void) ioctl(fd, TIOCNOTTY, NULL);
++ //(void) ioctl(fd, TIOCNOTTY, NULL);
+ close(fd);
+ }
+ #endif /* TIOCNOTTY */
+diff -ru source/ssh-rsa.c source-new/ssh-rsa.c
+--- source/ssh-rsa.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/ssh-rsa.c 2017-11-02 18:31:51.978879010 -0700
+@@ -99,13 +99,27 @@
+ }
+ 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)) {
++ {
++ const BIGNUM *q, *d, *p;
++ BIGNUM *dmq1=NULL, *dmp1=NULL;
++ if ((dmq1 = BN_new()) == NULL ||
++ (dmp1 = BN_new()) == NULL ) {
++ r = SSH_ERR_ALLOC_FAIL;
++ goto out;
++ }
++ RSA_get0_key(rsa, NULL, NULL, &d);
++ RSA_get0_factors(rsa, &p, &q);
++ 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(rsa, dmp1, dmq1, NULL) == 0) {
+ r = SSH_ERR_LIBCRYPTO_ERROR;
++ BN_clear_free(dmp1);
++ BN_clear_free(dmq1);
+ goto out;
+ }
++ }
+ r = 0;
+ out:
+ BN_clear_free(aux);
+@@ -136,7 +150,7 @@
+ 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 +224,7 @@
+ 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)
+diff -ru source/uidswap.c source-new/uidswap.c
+--- source/uidswap.c 2017-10-02 12:34:26.000000000 -0700
++++ source-new/uidswap.c 2017-11-02 18:31:51.978879010 -0700
+@@ -82,14 +82,14 @@
+ privileged = 1;
+ temporarily_use_uid_effective = 1;
+
+- saved_egroupslen = getgroups(0, NULL);
++ //saved_egroupslen = getgroups(0, NULL);
+ if (saved_egroupslen < 0)
+ fatal("getgroups: %.100s", strerror(errno));
+ if (saved_egroupslen > 0) {
+ saved_egroups = xreallocarray(saved_egroups,
+ saved_egroupslen, sizeof(gid_t));
+- if (getgroups(saved_egroupslen, saved_egroups) < 0)
+- fatal("getgroups: %.100s", strerror(errno));
++ // if (getgroups(saved_egroupslen, saved_egroups) < 0)
++ // fatal("getgroups: %.100s", strerror(errno));
+ } else { /* saved_egroupslen == 0 */
+ free(saved_egroups);
+ }
+@@ -113,22 +113,26 @@
+ }
+ }
+ /* Set the effective uid to the given (unprivileged) uid. */
+- if (setgroups(user_groupslen, user_groups) < 0)
+- fatal("setgroups: %.100s", strerror(errno));
++ /*
++ *if (setgroups(user_groupslen, user_groups) < 0)
++ * fatal("setgroups: %.100s", strerror(errno));
++ */
+ #ifndef SAVED_IDS_WORK_WITH_SETEUID
+ /* Propagate the privileged gid to all of our gids. */
+- if (setgid(getegid()) < 0)
+- debug("setgid %u: %.100s", (u_int) getegid(), strerror(errno));
+- /* Propagate the privileged uid to all of our uids. */
+- if (setuid(geteuid()) < 0)
+- debug("setuid %u: %.100s", (u_int) geteuid(), strerror(errno));
+-#endif /* SAVED_IDS_WORK_WITH_SETEUID */
+- if (setegid(pw->pw_gid) < 0)
+- fatal("setegid %u: %.100s", (u_int)pw->pw_gid,
+- strerror(errno));
+- if (seteuid(pw->pw_uid) == -1)
+- fatal("seteuid %u: %.100s", (u_int)pw->pw_uid,
+- strerror(errno));
++/*
++ * if (setgid(getegid()) < 0)
++ * debug("setgid %u: %.100s", (u_int) getegid(), strerror(errno));
++ * [> Propagate the privileged uid to all of our uids. <]
++ * if (setuid(geteuid()) < 0)
++ */ debug("setuid %u: %.100s", (u_int) geteuid(), strerror(errno));
++ #endif [> SAVED_IDS_WORK_WITH_SETEUID <]
++ /* if (setegid(pw->pw_gid) < 0)
++ * fatal("setegid %u: %.100s", (u_int)pw->pw_gid,
++ * strerror(errno));
++ * if (seteuid(pw->pw_uid) == -1)
++ * fatal("seteuid %u: %.100s", (u_int)pw->pw_uid,
++ * strerror(errno));
++ */
+ }
+
+ void
+@@ -150,9 +154,11 @@
+ * where fine-grained privileges are available (the user might be
+ * deliberately allowed the right to setuid back to root).
+ */
+- if (old_uid != uid &&
+- (setuid(old_uid) != -1 || seteuid(old_uid) != -1))
+- fatal("%s: was able to restore old [e]uid", __func__);
++ /*
++ *if (old_uid != uid &&
++ * (setuid(old_uid) != -1 || seteuid(old_uid) != -1))
++ * fatal("%s: was able to restore old [e]uid", __func__);
++ */
+ #endif
+
+ /* Verify UID drop was successful */
+@@ -189,12 +195,12 @@
+ * Propagate the real uid (usually more privileged) to effective uid
+ * as well.
+ */
+- setuid(getuid());
+- setgid(getgid());
++// setuid(getuid());
++// setgid(getgid());
+ #endif /* SAVED_IDS_WORK_WITH_SETEUID */
+
+- if (setgroups(saved_egroupslen, saved_egroups) < 0)
+- fatal("setgroups: %.100s", strerror(errno));
++ //if (setgroups(saved_egroupslen, saved_egroups) < 0)
++ // fatal("setgroups: %.100s", strerror(errno));
+ temporarily_use_uid_effective = 0;
+ }
+
+@@ -233,25 +239,26 @@
+ if (setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid) < 0)
+ fatal("setresuid %u: %.100s", (u_int)pw->pw_uid, strerror(errno));
+
+-#ifndef NO_UID_RESTORATION_TEST
+- /* Try restoration of GID if changed (test clearing of saved gid) */
+- if (old_gid != pw->pw_gid && pw->pw_uid != 0 &&
+- (setgid(old_gid) != -1 || setegid(old_gid) != -1))
+- fatal("%s: was able to restore old [e]gid", __func__);
+-#endif
+-
+- /* Verify GID drop was successful */
+- if (getgid() != pw->pw_gid || getegid() != pw->pw_gid) {
+- fatal("%s: egid incorrect gid:%u egid:%u (should be %u)",
+- __func__, (u_int)getgid(), (u_int)getegid(),
+- (u_int)pw->pw_gid);
+- }
++/*#ifndef NO_UID_RESTORATION_TEST
++ *
++ * if (old_gid != pw->pw_gid && pw->pw_uid != 0 &&
++ * (setgid(old_gid) != -1 || setegid(old_gid) != -1))
++ * fatal("%s: was able to restore old [e]gid", __func__);
++ *#endif
++ *
++ * [> Verify GID drop was successful <]
++ * if (getgid() != pw->pw_gid || getegid() != pw->pw_gid) {
++ * fatal("%s: egid incorrect gid:%u egid:%u (should be %u)",
++ * __func__, (u_int)getgid(), (u_int)getegid(),
++ * (u_int)pw->pw_gid);
++ * }
++ */
+
+ #ifndef NO_UID_RESTORATION_TEST
+ /* Try restoration of UID if changed (test clearing of saved uid) */
+- if (old_uid != pw->pw_uid &&
+- (setuid(old_uid) != -1 || seteuid(old_uid) != -1))
+- fatal("%s: was able to restore old [e]uid", __func__);
++// if (old_uid != pw->pw_uid &&
++// (setuid(old_uid) != -1 || seteuid(old_uid) != -1))
++// fatal("%s: was able to restore old [e]uid", __func__);
+ #endif
+
+ /* Verify UID drop was successful */