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164 lines
6.2 KiB
164 lines
6.2 KiB
8 months ago
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diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
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index 948497c..c6dda52 100644
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--- a/src/event/ngx_event_openssl.c
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+++ b/src/event/ngx_event_openssl.c
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@@ -266,6 +266,8 @@ ngx_ssl_init(ngx_log_t *log)
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ngx_int_t
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ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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{
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+ ngx_uint_t prot = NGX_SSL_NO_PROT;
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+
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ssl->ctx = SSL_CTX_new(SSLv23_method());
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if (ssl->ctx == NULL) {
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@@ -325,49 +327,54 @@ ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
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-#if OPENSSL_VERSION_NUMBER >= 0x009080dfL
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- /* only in 0.9.8m+ */
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- SSL_CTX_clear_options(ssl->ctx,
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- SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
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-#endif
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-
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- if (!(protocols & NGX_SSL_SSLv2)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_SSLv2);
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- }
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- if (!(protocols & NGX_SSL_SSLv3)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_SSLv3);
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- }
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- if (!(protocols & NGX_SSL_TLSv1)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1);
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- }
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-#ifdef SSL_OP_NO_TLSv1_1
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- SSL_CTX_clear_options(ssl->ctx, SSL_OP_NO_TLSv1_1);
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- if (!(protocols & NGX_SSL_TLSv1_1)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_1);
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- }
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+ if (protocols){
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+#ifdef SSL_OP_NO_TLSv1_3
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+ if (protocols & NGX_SSL_TLSv1_3) {
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+ prot = TLS1_3_VERSION;
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+ } else
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#endif
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#ifdef SSL_OP_NO_TLSv1_2
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- SSL_CTX_clear_options(ssl->ctx, SSL_OP_NO_TLSv1_2);
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- if (!(protocols & NGX_SSL_TLSv1_2)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_2);
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- }
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+ if (protocols & NGX_SSL_TLSv1_2) {
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+ prot = TLS1_2_VERSION;
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+ } else
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#endif
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-#ifdef SSL_OP_NO_TLSv1_3
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- SSL_CTX_clear_options(ssl->ctx, SSL_OP_NO_TLSv1_3);
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- if (!(protocols & NGX_SSL_TLSv1_3)) {
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- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_3);
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- }
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+#ifdef SSL_OP_NO_TLSv1_1
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+ if (protocols & NGX_SSL_TLSv1_1) {
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+ prot = TLS1_1_VERSION;
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+ } else
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#endif
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+ if (protocols & NGX_SSL_TLSv1) {
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+ prot = TLS1_VERSION;
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+ }
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-#ifdef SSL_CTX_set_min_proto_version
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- SSL_CTX_set_min_proto_version(ssl->ctx, 0);
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- SSL_CTX_set_max_proto_version(ssl->ctx, TLS1_2_VERSION);
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+ if (prot == NGX_SSL_NO_PROT) {
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+ ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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+ "No SSL protocols available [hint: ssl_protocols]");
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+ return NGX_ERROR;
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+ }
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+
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+ SSL_CTX_set_max_proto_version(ssl->ctx, prot);
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+
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+ /* Now, we have to scan for minimal protocol version,
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+ *without allowing holes between min and max*/
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+#ifdef SSL_OP_NO_TLSv1_3
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+ if ((prot == TLS1_3_VERSION) && (protocols & NGX_SSL_TLSv1_2)) {
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+ prot = TLS1_2_VERSION;
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+ }
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#endif
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-#ifdef TLS1_3_VERSION
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- SSL_CTX_set_min_proto_version(ssl->ctx, 0);
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- SSL_CTX_set_max_proto_version(ssl->ctx, TLS1_3_VERSION);
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+#ifdef SSL_OP_NO_TLSv1_1
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+ if ((prot == TLS1_2_VERSION) && (protocols & NGX_SSL_TLSv1_1)) {
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+ prot = TLS1_1_VERSION;
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+ }
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+#endif
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+#ifdef SSL_OP_NO_TLSv1_2
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+ if ((prot == TLS1_1_VERSION) && (protocols & NGX_SSL_TLSv1)) {
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+ prot = TLS1_VERSION;
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+ }
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#endif
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+ SSL_CTX_set_min_proto_version(ssl->ctx, prot);
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+ }
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#ifdef SSL_OP_NO_COMPRESSION
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SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_COMPRESSION);
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diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
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index 41f4501..a346792 100644
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--- a/src/event/ngx_event_openssl.h
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+++ b/src/event/ngx_event_openssl.h
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@@ -175,6 +175,7 @@ typedef struct {
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} ngx_ssl_session_cache_t;
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+#define NGX_SSL_NO_PROT 0x0000
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#define NGX_SSL_SSLv2 0x0002
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#define NGX_SSL_SSLv3 0x0004
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#define NGX_SSL_TLSv1 0x0008
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diff --git a/src/http/modules/ngx_http_ssl_module.c b/src/http/modules/ngx_http_ssl_module.c
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index a147054..ad7e3fe 100644
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--- a/src/http/modules/ngx_http_ssl_module.c
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+++ b/src/http/modules/ngx_http_ssl_module.c
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@@ -646,10 +646,7 @@ ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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ngx_conf_merge_value(conf->early_data, prev->early_data, 0);
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ngx_conf_merge_value(conf->reject_handshake, prev->reject_handshake, 0);
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- ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
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- (NGX_CONF_BITMASK_SET
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- |NGX_SSL_TLSv1|NGX_SSL_TLSv1_1
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- |NGX_SSL_TLSv1_2|NGX_SSL_TLSv1_3));
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+ ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, 0);
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ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size,
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NGX_SSL_BUFSIZE);
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diff --git a/src/mail/ngx_mail_ssl_module.c b/src/mail/ngx_mail_ssl_module.c
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index 728181d..066aef8 100644
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--- a/src/mail/ngx_mail_ssl_module.c
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+++ b/src/mail/ngx_mail_ssl_module.c
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@@ -371,10 +371,7 @@ ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child)
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ngx_conf_merge_value(conf->prefer_server_ciphers,
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prev->prefer_server_ciphers, 0);
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- ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
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- (NGX_CONF_BITMASK_SET
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- |NGX_SSL_TLSv1|NGX_SSL_TLSv1_1
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- |NGX_SSL_TLSv1_2|NGX_SSL_TLSv1_3));
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+ ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, 0);
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ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
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ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
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diff --git a/src/stream/ngx_stream_ssl_module.c b/src/stream/ngx_stream_ssl_module.c
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index ba70547..a4c14ec 100644
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--- a/src/stream/ngx_stream_ssl_module.c
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+++ b/src/stream/ngx_stream_ssl_module.c
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@@ -715,10 +715,7 @@ ngx_stream_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child)
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ngx_conf_merge_value(conf->prefer_server_ciphers,
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prev->prefer_server_ciphers, 0);
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- ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
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- (NGX_CONF_BITMASK_SET
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- |NGX_SSL_TLSv1|NGX_SSL_TLSv1_1
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- |NGX_SSL_TLSv1_2|NGX_SSL_TLSv1_3));
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+ ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, 0);
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ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
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ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
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