115 lines
5.0 KiB
Diff
115 lines
5.0 KiB
Diff
From 1d3349209f339e6a68312fce076e355bc767d76c Mon Sep 17 00:00:00 2001
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From: Clemens Lang <cllang@redhat.com>
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Date: Mon, 12 Sep 2022 11:07:38 +0200
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Subject: [PATCH 5/7] Apply patch stunnel-5.69-default-tls-version.patch
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Patch-name: stunnel-5.69-default-tls-version.patch
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Patch-id: 5
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From-dist-git-commit: 70b3076eb09912b3a11f371b8c523303114fffa3
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---
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src/ctx.c | 34 ++++++++++++++++++++++------------
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src/options.c | 15 +++++++++++----
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src/prototypes.h | 3 +++
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3 files changed, 36 insertions(+), 16 deletions(-)
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Index: stunnel-5.72/src/ctx.c
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===================================================================
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--- stunnel-5.72.orig/src/ctx.c
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+++ stunnel-5.72/src/ctx.c
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@@ -163,19 +163,29 @@ int context_init(SERVICE_OPTIONS *sectio
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/* set supported protocol versions */
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#if OPENSSL_VERSION_NUMBER>=0x10100000L
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- if(section->min_proto_version &&
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- !SSL_CTX_set_min_proto_version(section->ctx,
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- section->min_proto_version)) {
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- s_log(LOG_ERR, "Failed to set the minimum protocol version 0x%X",
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- section->min_proto_version);
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- return 1; /* FAILED */
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+ if (section->min_proto_version == USE_DEFAULT_TLS_VERSION) {
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+ s_log(LOG_INFO, "Using the default TLS minimum version as specified in"
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+ " crypto policies. Not setting explicitly.");
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+ } else {
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+ if(section->min_proto_version &&
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+ !SSL_CTX_set_min_proto_version(section->ctx,
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+ section->min_proto_version)) {
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+ s_log(LOG_ERR, "Failed to set the minimum protocol version 0x%X",
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+ section->min_proto_version);
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+ return 1; /* FAILED */
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+ }
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}
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- if(section->max_proto_version &&
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- !SSL_CTX_set_max_proto_version(section->ctx,
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- section->max_proto_version)) {
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- s_log(LOG_ERR, "Failed to set the maximum protocol version 0x%X",
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- section->max_proto_version);
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- return 1; /* FAILED */
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+ if (section->max_proto_version == USE_DEFAULT_TLS_VERSION) {
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+ s_log(LOG_INFO, "Using the default TLS maximum version as specified in"
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+ " crypto policies. Not setting explicitly");
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+ } else {
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+ if(section->max_proto_version &&
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+ !SSL_CTX_set_max_proto_version(section->ctx,
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+ section->max_proto_version)) {
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+ s_log(LOG_ERR, "Failed to set the maximum protocol version 0x%X",
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+ section->max_proto_version);
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+ return 1; /* FAILED */
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+ }
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}
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#endif /* OPENSSL_VERSION_NUMBER>=0x10100000L */
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Index: stunnel-5.72/src/options.c
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===================================================================
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--- stunnel-5.72.orig/src/options.c
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+++ stunnel-5.72/src/options.c
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@@ -3429,8 +3429,9 @@ NOEXPORT const char *parse_service_optio
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return "Invalid protocol version";
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return NULL; /* OK */
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case CMD_INITIALIZE:
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- if(section->max_proto_version && section->min_proto_version &&
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- section->max_proto_version<section->min_proto_version)
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+ if(section->max_proto_version != USE_DEFAULT_TLS_VERSION
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+ && section->min_proto_version != USE_DEFAULT_TLS_VERSION
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+ && section->max_proto_version<section->min_proto_version)
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return "Invalid protocol version range";
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break;
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case CMD_PRINT_DEFAULTS:
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@@ -3448,7 +3449,10 @@ NOEXPORT const char *parse_service_optio
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/* sslVersionMax */
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switch(cmd) {
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case CMD_SET_DEFAULTS:
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- section->max_proto_version=0; /* highest supported */
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+ section->max_proto_version=USE_DEFAULT_TLS_VERSION; /* use defaults in
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+ OpenSSL crypto
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+ policies.Do not
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+ override it */
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break;
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case CMD_SET_COPY:
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section->max_proto_version=new_service_options.max_proto_version;
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@@ -3479,7 +3483,10 @@ NOEXPORT const char *parse_service_optio
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/* sslVersionMin */
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switch(cmd) {
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case CMD_SET_DEFAULTS:
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- section->min_proto_version=0; /* lowest supported */
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+ section->min_proto_version=USE_DEFAULT_TLS_VERSION; /* use defaults in
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+ OpenSSL crypto
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+ policies. Do not
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+ override it */
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break;
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case CMD_SET_COPY:
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section->min_proto_version=new_service_options.min_proto_version;
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Index: stunnel-5.72/src/prototypes.h
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===================================================================
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--- stunnel-5.72.orig/src/prototypes.h
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+++ stunnel-5.72/src/prototypes.h
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@@ -956,6 +956,9 @@ ICON_IMAGE load_icon_default(ICON_TYPE);
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ICON_IMAGE load_icon_file(const char *);
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#endif
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+#define USE_DEFAULT_TLS_VERSION ((int)-2) /* Use defaults in OpenSSL
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+ crypto policies */
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+
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#endif /* defined PROTOTYPES_H */
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/* end of prototypes.h */
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