+++ /dev/null
-Description: Enable support for OpenSSL 1.1
-Author: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
- Ryan Kavanagh <rak@debian.org>
-Origin: Debian
-Bug: https://github.com/OpenSMTPD/OpenSMTPD/issues/738
-Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859544
-Forwarded: https://github.com/OpenSMTPD/OpenSMTPD/pull/825
-Last-Update: 2018-03-18
----
-This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
-diff --git a/openbsd-compat/libressl.c b/openbsd-compat/libressl.c
-index f4f2b52e..d06e006f 100644
---- a/openbsd-compat/libressl.c
-+++ b/openbsd-compat/libressl.c
-@@ -81,14 +81,14 @@ SSL_CTX_use_certificate_chain(SSL_CTX *ctx, char *buf, off_t len)
- x = ca = NULL;
-
- if ((in = BIO_new_mem_buf(buf, len)) == NULL) {
-- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
-+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
- goto end;
- }
-
- if ((x = PEM_read_bio_X509(in, NULL,
-- ctx->default_passwd_callback,
-- ctx->default_passwd_callback_userdata)) == NULL) {
-- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
-+ SSL_CTX_get_default_passwd_cb(ctx),
-+ SSL_CTX_get_default_passwd_cb_userdata(ctx))) == NULL) {
-+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_PEM_LIB);
- goto end;
- }
-
-@@ -99,14 +99,11 @@ SSL_CTX_use_certificate_chain(SSL_CTX *ctx, char *buf, off_t len)
- * the CA certificates.
- */
-
-- if (ctx->extra_certs != NULL) {
-- sk_X509_pop_free(ctx->extra_certs, X509_free);
-- ctx->extra_certs = NULL;
-- }
-+ SSL_CTX_clear_extra_chain_certs(ctx);
-
- while ((ca = PEM_read_bio_X509(in, NULL,
-- ctx->default_passwd_callback,
-- ctx->default_passwd_callback_userdata)) != NULL) {
-+ SSL_CTX_get_default_passwd_cb(ctx),
-+ SSL_CTX_get_default_passwd_cb_userdata(ctx))) != NULL) {
-
- if (!SSL_CTX_add_extra_chain_cert(ctx, ca))
- goto end;
-diff --git a/smtpd/ca.c b/smtpd/ca.c
-index e383c6a1..29a44b9b 100644
---- a/smtpd/ca.c
-+++ b/smtpd/ca.c
-@@ -170,6 +170,190 @@ ca_verify_cb(int ok, X509_STORE_CTX *ctx)
- return ok;
- }
-
-+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
-+
-+static int RSA_meth_get_flags(RSA_METHOD *meth)
-+{
-+ return meth->flags;
-+}
-+
-+static int RSA_meth_set_flags(RSA_METHOD *meth, int flags)
-+{
-+ meth->flags = flags;
-+ return 1;
-+}
-+
-+static void *RSA_meth_get0_app_data(const RSA_METHOD *meth)
-+{
-+ return meth->app_data;
-+}
-+
-+static int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
-+{
-+ meth->app_data = app_data;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
-+(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
-+{
-+ return meth->rsa_pub_enc;
-+}
-+
-+static int RSA_meth_set_pub_enc(RSA_METHOD *meth,
-+ int (*pub_enc) (int flen, const unsigned char *from,
-+ unsigned char *to, RSA *rsa,
-+ int padding))
-+{
-+ meth->rsa_pub_enc = pub_enc;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
-+(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
-+{
-+ return meth->rsa_pub_dec;
-+}
-+
-+static int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
-+(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
-+{
-+ return meth->rsa_priv_enc;
-+}
-+
-+int RSA_meth_set_priv_enc(RSA_METHOD *meth,
-+ int (*priv_enc) (int flen, const unsigned char *from,
-+ unsigned char *to, RSA *rsa, int padding))
-+{
-+ meth->rsa_priv_enc = priv_enc;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
-+(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
-+{
-+ return meth->rsa_priv_dec;
-+}
-+
-+static int RSA_meth_set_priv_dec(RSA_METHOD *meth,
-+ int (*priv_dec) (int flen, const unsigned char *from,
-+ unsigned char *to, RSA *rsa, int padding))
-+{
-+ meth->rsa_priv_dec = priv_dec;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
-+ (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
-+{
-+ return meth->rsa_mod_exp;
-+}
-+
-+static int RSA_meth_set_mod_exp(RSA_METHOD *meth,
-+ int (*mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx))
-+{
-+ meth->rsa_mod_exp = mod_exp;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
-+(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-+{
-+ return meth->bn_mod_exp;
-+}
-+
-+static int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)
-+ (BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
-+ BN_CTX *ctx, BN_MONT_CTX *m_ctx))
-+{
-+ meth->bn_mod_exp = bn_mod_exp;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa)
-+{
-+ return meth->init;
-+}
-+
-+static int RSA_meth_set_init(RSA_METHOD *meth, int (*init) (RSA *rsa))
-+{
-+ meth->init = init;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa)
-+{
-+ return meth->finish;
-+}
-+
-+static int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa))
-+{
-+ meth->finish = finish;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
-+ (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
-+{
-+ return meth->rsa_keygen;
-+}
-+
-+static int RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)
-+ (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb))
-+{
-+ meth->rsa_keygen = keygen;
-+ return 1;
-+}
-+
-+static int (*RSA_meth_get_verify(const RSA_METHOD *meth))
-+ (int dtype, const unsigned char *m,
-+ unsigned int m_length, const unsigned char *sigbuf,
-+ unsigned int siglen, const RSA *rsa)
-+{
-+ if (meth->flags & RSA_FLAG_SIGN_VER)
-+ return meth->rsa_verify;
-+ return NULL;
-+}
-+
-+static int (*RSA_meth_get_sign(const RSA_METHOD *meth))
-+ (int type,
-+ const unsigned char *m, unsigned int m_length,
-+ unsigned char *sigret, unsigned int *siglen,
-+ const RSA *rsa)
-+{
-+ if (meth->flags & RSA_FLAG_SIGN_VER)
-+ return meth->rsa_sign;
-+ return NULL;
-+}
-+
-+static int RSA_meth_set_pub_dec(RSA_METHOD *meth,
-+ int (*pub_dec) (int flen, const unsigned char *from,
-+ unsigned char *to, RSA *rsa, int padding))
-+{
-+ meth->rsa_pub_dec = pub_dec;
-+ return 1;
-+}
-+
-+static RSA_METHOD *RSA_meth_new(const char *name, int flags)
-+{
-+ RSA_METHOD *meth = malloc(sizeof(*meth));
-+
-+ if (meth != NULL) {
-+ memset(meth, 0, sizeof(*meth));
-+ meth->flags = flags;
-+
-+ meth->name = strdup(name);
-+ if (meth->name != NULL)
-+ return meth;
-+
-+ free(meth);
-+ }
-+
-+ return NULL;
-+}
-+
-+#endif
-+
- int
- ca_X509_verify(void *certificate, void *chain, const char *CAfile,
- const char *CRLfile, const char **errstr)
-@@ -201,7 +385,7 @@ end:
- *errstr = NULL;
- if (ret != 1) {
- if (xsc)
-- *errstr = X509_verify_cert_error_string(xsc->error);
-+ *errstr = X509_verify_cert_error_string(X509_STORE_CTX_get_error(xsc));
- else if (ERR_peek_last_error())
- *errstr = ERR_error_string(ERR_peek_last_error(), NULL);
- }
-@@ -302,24 +486,9 @@ ca_imsg(struct mproc *p, struct imsg *imsg)
- * RSA privsep engine (called from unprivileged processes)
- */
-
--const RSA_METHOD *rsa_default = NULL;
--
--static RSA_METHOD rsae_method = {
-- "RSA privsep engine",
-- rsae_pub_enc,
-- rsae_pub_dec,
-- rsae_priv_enc,
-- rsae_priv_dec,
-- rsae_mod_exp,
-- rsae_bn_mod_exp,
-- rsae_init,
-- rsae_finish,
-- 0,
-- NULL,
-- NULL,
-- NULL,
-- rsae_keygen
--};
-+static const RSA_METHOD *rsa_default = NULL;
-+
-+static const char *rsae_method_name = "RSA privsep engine";
-
- static int
- rsae_send_imsg(int flen, const unsigned char *from, unsigned char *to,
-@@ -404,7 +573,7 @@ rsae_pub_enc(int flen,const unsigned char *from, unsigned char *to, RSA *rsa,
- int padding)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- return (rsa_default->rsa_pub_enc(flen, from, to, rsa, padding));
-+ return (RSA_meth_get_pub_enc(rsa_default)(flen, from, to, rsa, padding));
- }
-
- static int
-@@ -412,7 +581,7 @@ rsae_pub_dec(int flen,const unsigned char *from, unsigned char *to, RSA *rsa,
- int padding)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- return (rsa_default->rsa_pub_dec(flen, from, to, rsa, padding));
-+ return (RSA_meth_get_pub_dec(rsa_default)(flen, from, to, rsa, padding));
- }
-
- static int
-@@ -424,7 +593,7 @@ rsae_priv_enc(int flen, const unsigned char *from, unsigned char *to, RSA *rsa,
- return (rsae_send_imsg(flen, from, to, rsa, padding,
- IMSG_CA_PRIVENC));
- }
-- return (rsa_default->rsa_priv_enc(flen, from, to, rsa, padding));
-+ return (RSA_meth_get_priv_enc(rsa_default)(flen, from, to, rsa, padding));
- }
-
- static int
-@@ -436,14 +605,14 @@ rsae_priv_dec(int flen, const unsigned char *from, unsigned char *to, RSA *rsa,
- return (rsae_send_imsg(flen, from, to, rsa, padding,
- IMSG_CA_PRIVDEC));
- }
-- return (rsa_default->rsa_priv_dec(flen, from, to, rsa, padding));
-+ return (RSA_meth_get_priv_dec(rsa_default)(flen, from, to, rsa, padding));
- }
-
- static int
- rsae_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- return (rsa_default->rsa_mod_exp(r0, I, rsa, ctx));
-+ return (RSA_meth_get_mod_exp(rsa_default)(r0, I, rsa, ctx));
- }
-
- static int
-@@ -451,34 +620,36 @@ rsae_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- return (rsa_default->bn_mod_exp(r, a, p, m, ctx, m_ctx));
-+ return (RSA_meth_get_bn_mod_exp(rsa_default)(r, a, p, m, ctx, m_ctx));
- }
-
- static int
- rsae_init(RSA *rsa)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- if (rsa_default->init == NULL)
-+ if (RSA_meth_get_init(rsa_default) == NULL)
- return (1);
-- return (rsa_default->init(rsa));
-+ return (RSA_meth_get_init(rsa_default)(rsa));
- }
-
- static int
- rsae_finish(RSA *rsa)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- if (rsa_default->finish == NULL)
-+ if (RSA_meth_get_finish(rsa_default) == NULL)
- return (1);
-- return (rsa_default->finish(rsa));
-+ return (RSA_meth_get_finish(rsa_default)(rsa));
- }
-
- static int
- rsae_keygen(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
- {
- log_debug("debug: %s: %s", proc_name(smtpd_process), __func__);
-- return (rsa_default->rsa_keygen(rsa, bits, e, cb));
-+ return (RSA_meth_get_keygen(rsa_default)(rsa, bits, e, cb));
- }
-
-+static RSA_METHOD *rsae_method;
-+
- void
- ca_engine_init(void)
- {
-@@ -490,7 +661,7 @@ ca_engine_init(void)
- errstr = "ENGINE_new";
- goto fail;
- }
-- if (!ENGINE_set_name(e, rsae_method.name)) {
-+ if (!ENGINE_set_name(e, rsae_method_name)) {
- errstr = "ENGINE_set_name";
- goto fail;
- }
-@@ -503,25 +674,58 @@ ca_engine_init(void)
- goto fail;
- }
-
-+ rsae_method = RSA_meth_new(rsae_method_name, 0);
-+ if (!rsae_method) {
-+ errstr = "RSA_meth_new";
-+ goto fail;
-+ }
-+
- if ((name = ENGINE_get_name(e)) == NULL)
- name = "unknown RSA engine";
-
- log_debug("debug: %s: using %s", __func__, name);
-
-- if (rsa_default->flags & RSA_FLAG_SIGN_VER)
-+ if (RSA_meth_get_sign(rsa_default) ||
-+ RSA_meth_get_verify(rsa_default))
- fatalx("unsupported RSA engine");
-
-- if (rsa_default->rsa_mod_exp == NULL)
-- rsae_method.rsa_mod_exp = NULL;
-- if (rsa_default->bn_mod_exp == NULL)
-- rsae_method.bn_mod_exp = NULL;
-- if (rsa_default->rsa_keygen == NULL)
-- rsae_method.rsa_keygen = NULL;
-- rsae_method.flags = rsa_default->flags |
-- RSA_METHOD_FLAG_NO_CHECK;
-- rsae_method.app_data = rsa_default->app_data;
--
-- if (!ENGINE_set_RSA(e, &rsae_method)) {
-+ errstr = "Setting callback";
-+ if (!RSA_meth_set_pub_enc(rsae_method, rsae_pub_enc))
-+ goto fail;
-+ if (!RSA_meth_set_pub_dec(rsae_method, rsae_pub_dec))
-+ goto fail;
-+ if (!RSA_meth_set_priv_enc(rsae_method, rsae_priv_enc))
-+ goto fail;
-+ if (!RSA_meth_set_priv_dec(rsae_method, rsae_priv_dec))
-+ goto fail;
-+
-+ if (RSA_meth_get_mod_exp(rsa_default)) {
-+ if (!RSA_meth_set_mod_exp(rsae_method, rsae_mod_exp))
-+ goto fail;
-+ }
-+
-+ if (RSA_meth_get_bn_mod_exp(rsa_default))
-+ if (!RSA_meth_set_bn_mod_exp(rsae_method, rsae_bn_mod_exp))
-+ goto fail;
-+ if (!RSA_meth_set_init(rsae_method, rsae_init))
-+ goto fail;
-+ if (!RSA_meth_set_finish(rsae_method, rsae_finish))
-+ goto fail;
-+
-+ if (RSA_meth_get_keygen(rsa_default)) {
-+ if (!RSA_meth_set_keygen(rsae_method, rsae_keygen))
-+ goto fail;
-+ }
-+
-+ if (!RSA_meth_set_flags(rsae_method,
-+ RSA_meth_get_flags(rsa_default) |
-+ RSA_METHOD_FLAG_NO_CHECK))
-+ goto fail;
-+
-+ if (!RSA_meth_set0_app_data(rsae_method, RSA_meth_get0_app_data(rsa_default)))
-+ goto fail;
-+
-+ if (!ENGINE_set_RSA(e, rsae_method)) {
- errstr = "ENGINE_set_RSA";
- goto fail;
- }
-diff --git a/smtpd/crypto.c b/smtpd/crypto.c
-index 76f98807..01452851 100644
---- a/smtpd/crypto.c
-+++ b/smtpd/crypto.c
-@@ -64,7 +64,7 @@ crypto_setup(const char *key, size_t len)
- int
- crypto_encrypt_file(FILE * in, FILE * out)
- {
-- EVP_CIPHER_CTX ctx;
-+ EVP_CIPHER_CTX *ctx;
- uint8_t ibuf[CRYPTO_BUFFER_SIZE];
- uint8_t obuf[CRYPTO_BUFFER_SIZE];
- uint8_t iv[IV_SIZE];
-@@ -91,12 +91,14 @@ crypto_encrypt_file(FILE * in, FILE * out)
- if ((w = fwrite(iv, 1, sizeof iv, out)) != sizeof iv)
- return 0;
-
-- EVP_CIPHER_CTX_init(&ctx);
-- EVP_EncryptInit_ex(&ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-+ ctx = EVP_CIPHER_CTX_new();
-+ if (!ctx)
-+ return 0;
-+ EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-
- /* encrypt until end of file */
- while ((r = fread(ibuf, 1, CRYPTO_BUFFER_SIZE, in)) != 0) {
-- if (!EVP_EncryptUpdate(&ctx, obuf, &len, ibuf, r))
-+ if (!EVP_EncryptUpdate(ctx, obuf, &len, ibuf, r))
- goto end;
- if (len && (w = fwrite(obuf, len, 1, out)) != 1)
- goto end;
-@@ -105,13 +107,13 @@ crypto_encrypt_file(FILE * in, FILE * out)
- goto end;
-
- /* finalize and write last chunk if any */
-- if (!EVP_EncryptFinal_ex(&ctx, obuf, &len))
-+ if (!EVP_EncryptFinal_ex(ctx, obuf, &len))
- goto end;
- if (len && (w = fwrite(obuf, len, 1, out)) != 1)
- goto end;
-
- /* get and append tag */
-- EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, sizeof tag, tag);
-+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, sizeof tag, tag);
- if ((w = fwrite(tag, sizeof tag, 1, out)) != 1)
- goto end;
-
-@@ -119,14 +121,14 @@ crypto_encrypt_file(FILE * in, FILE * out)
- ret = 1;
-
- end:
-- EVP_CIPHER_CTX_cleanup(&ctx);
-+ EVP_CIPHER_CTX_free(ctx);
- return ret;
- }
-
- int
- crypto_decrypt_file(FILE * in, FILE * out)
- {
-- EVP_CIPHER_CTX ctx;
-+ EVP_CIPHER_CTX *ctx;
- uint8_t ibuf[CRYPTO_BUFFER_SIZE];
- uint8_t obuf[CRYPTO_BUFFER_SIZE];
- uint8_t iv[IV_SIZE];
-@@ -171,11 +173,13 @@ crypto_decrypt_file(FILE * in, FILE * out)
- sz -= sizeof tag;
-
-
-- EVP_CIPHER_CTX_init(&ctx);
-- EVP_DecryptInit_ex(&ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-+ ctx = EVP_CIPHER_CTX_new();
-+ if (!ctx)
-+ return 0;
-+ EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-
- /* set expected tag */
-- EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, sizeof tag, tag);
-+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, sizeof tag, tag);
-
- /* decrypt until end of ciphertext */
- while (sz) {
-@@ -185,7 +189,7 @@ crypto_decrypt_file(FILE * in, FILE * out)
- r = fread(ibuf, 1, sz, in);
- if (!r)
- break;
-- if (!EVP_DecryptUpdate(&ctx, obuf, &len, ibuf, r))
-+ if (!EVP_DecryptUpdate(ctx, obuf, &len, ibuf, r))
- goto end;
- if (len && (w = fwrite(obuf, len, 1, out)) != 1)
- goto end;
-@@ -195,7 +199,7 @@ crypto_decrypt_file(FILE * in, FILE * out)
- goto end;
-
- /* finalize, write last chunk if any and perform authentication check */
-- if (!EVP_DecryptFinal_ex(&ctx, obuf, &len))
-+ if (!EVP_DecryptFinal_ex(ctx, obuf, &len))
- goto end;
- if (len && (w = fwrite(obuf, len, 1, out)) != 1)
- goto end;
-@@ -204,14 +208,14 @@ crypto_decrypt_file(FILE * in, FILE * out)
- ret = 1;
-
- end:
-- EVP_CIPHER_CTX_cleanup(&ctx);
-+ EVP_CIPHER_CTX_free(ctx);
- return ret;
- }
-
- size_t
- crypto_encrypt_buffer(const char *in, size_t inlen, char *out, size_t outlen)
- {
-- EVP_CIPHER_CTX ctx;
-+ EVP_CIPHER_CTX *ctx;
- uint8_t iv[IV_SIZE];
- uint8_t tag[GCM_TAG_SIZE];
- uint8_t version = API_VERSION;
-@@ -239,33 +243,35 @@ crypto_encrypt_buffer(const char *in, size_t inlen, char *out, size_t outlen)
- memcpy(out + len, iv, sizeof iv);
- len += sizeof iv;
-
-- EVP_CIPHER_CTX_init(&ctx);
-- EVP_EncryptInit_ex(&ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-+ ctx = EVP_CIPHER_CTX_new();
-+ if (!ctx)
-+ return 0;
-+ EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-
- /* encrypt buffer */
-- if (!EVP_EncryptUpdate(&ctx, out + len, &olen, in, inlen))
-+ if (!EVP_EncryptUpdate(ctx, out + len, &olen, in, inlen))
- goto end;
- len += olen;
-
- /* finalize and write last chunk if any */
-- if (!EVP_EncryptFinal_ex(&ctx, out + len, &olen))
-+ if (!EVP_EncryptFinal_ex(ctx, out + len, &olen))
- goto end;
- len += olen;
-
- /* get and append tag */
-- EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, sizeof tag, tag);
-+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, sizeof tag, tag);
- memcpy(out + len, tag, sizeof tag);
- ret = len + sizeof tag;
-
- end:
-- EVP_CIPHER_CTX_cleanup(&ctx);
-+ EVP_CIPHER_CTX_cleanup(ctx);
- return ret;
- }
-
- size_t
- crypto_decrypt_buffer(const char *in, size_t inlen, char *out, size_t outlen)
- {
-- EVP_CIPHER_CTX ctx;
-+ EVP_CIPHER_CTX *ctx;
- uint8_t iv[IV_SIZE];
- uint8_t tag[GCM_TAG_SIZE];
- int olen;
-@@ -292,24 +298,26 @@ crypto_decrypt_buffer(const char *in, size_t inlen, char *out, size_t outlen)
- inlen -= sizeof iv;
- in += sizeof iv;
-
-- EVP_CIPHER_CTX_init(&ctx);
-- EVP_DecryptInit_ex(&ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-+ ctx = EVP_CIPHER_CTX_new();
-+ if (!ctx)
-+ return 0;
-+ EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, cp.key, iv);
-
- /* set expected tag */
-- EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, sizeof tag, tag);
-+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, sizeof tag, tag);
-
- /* decrypt buffer */
-- if (!EVP_DecryptUpdate(&ctx, out, &olen, in, inlen))
-+ if (!EVP_DecryptUpdate(ctx, out, &olen, in, inlen))
- goto end;
- len += olen;
-
- /* finalize, write last chunk if any and perform authentication check */
-- if (!EVP_DecryptFinal_ex(&ctx, out + len, &olen))
-+ if (!EVP_DecryptFinal_ex(ctx, out + len, &olen))
- goto end;
- ret = len + olen;
-
- end:
-- EVP_CIPHER_CTX_cleanup(&ctx);
-+ EVP_CIPHER_CTX_cleanup(ctx);
- return ret;
- }
-
-diff --git a/smtpd/libressl.c b/smtpd/libressl.c
-index 57d74389..db78d943 100644
---- a/smtpd/libressl.c
-+++ b/smtpd/libressl.c
-@@ -94,10 +94,10 @@ ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
-
- ERR_clear_error(); /* clear error stack for SSL_CTX_use_certificate() */
-
-- x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
-- ctx->default_passwd_callback_userdata);
-+ x = PEM_read_bio_X509_AUX(in, NULL, SSL_CTX_get_default_passwd_cb(ctx),
-+ SSL_CTX_get_default_passwd_cb_userdata(ctx));
- if (x == NULL) {
-- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
-+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_PEM_LIB);
- goto end;
- }
-
-@@ -115,14 +115,11 @@ ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
- int r;
- unsigned long err;
-
-- if (ctx->extra_certs != NULL) {
-- sk_X509_pop_free(ctx->extra_certs, X509_free);
-- ctx->extra_certs = NULL;
-- }
-+ SSL_CTX_clear_extra_chain_certs(ctx);
-
- while ((ca = PEM_read_bio_X509(in, NULL,
-- ctx->default_passwd_callback,
-- ctx->default_passwd_callback_userdata)) != NULL) {
-+ SSL_CTX_get_default_passwd_cb(ctx),
-+ SSL_CTX_get_default_passwd_cb_userdata(ctx))) != NULL) {
- r = SSL_CTX_add_extra_chain_cert(ctx, ca);
- if (!r) {
- X509_free(ca);
-@@ -160,7 +157,7 @@ SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len)
-
- in = BIO_new_mem_buf(buf, len);
- if (in == NULL) {
-- SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
-+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
- goto end;
- }
-
-diff --git a/smtpd/ssl.c b/smtpd/ssl.c
-index b88360eb..0c93d87e 100644
---- a/smtpd/ssl.c
-+++ b/smtpd/ssl.c
-@@ -425,7 +425,7 @@ ssl_ctx_fake_private_key(SSL_CTX *ctx, const void *data, size_t datalen,
- */
- ret = SSL_CTX_use_PrivateKey(ctx, pkey);
- if (!ret)
-- SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_SSL_LIB);
-+ SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_SYS_LIB);
-
- if (pkeyptr != NULL)
- *pkeyptr = pkey;
-diff --git a/smtpd/ssl.h b/smtpd/ssl.h
-index 90f018d0..553120d4 100644
---- a/smtpd/ssl.h
-+++ b/smtpd/ssl.h
-@@ -73,3 +73,17 @@ void SSL_CTX_set_ecdh_auto(SSL_CTX *, int);
- void SSL_CTX_set_dh_auto(SSL_CTX *, int);
- #endif
- int SSL_CTX_use_certificate_chain_mem(SSL_CTX *, void *, int);
-+
-+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
-+
-+static inline pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx)
-+{
-+ return ctx->default_passwd_callback;
-+}
-+
-+static inline void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx)
-+{
-+ return ctx->default_passwd_callback_userdata;
-+}
-+
-+#endif