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SSL: avoid using OpenSSL config in build directory (ticket #2404).

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With this change, the NGX_OPENSSL_NO_CONFIG macro is defined when nginx
is asked to build OpenSSL itself.  And with this macro automatic loading
of OpenSSL configuration (from the build directory) is prevented unless
the OPENSSL_CONF environment variable is explicitly set.

Note that not loading configuration is broken in OpenSSL 1.1.1 and 1.1.1a
(fixed in OpenSSL 1.1.1b, see https://github.com/openssl/openssl/issues/7350).
If nginx is used to compile these OpenSSL versions, configuring nginx with
NGX_OPENSSL_NO_CONFIG explicitly set to 0 might be used as a workaround.
This commit is contained in:
Maxim Dounin 2023-06-21 01:29:53 +03:00
parent 2038b46e25
commit bdea5b703f
2 changed files with 22 additions and 1 deletions
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2
auto/lib/openssl/conf
View File

@ -8,6 +8,8 @@ if [ $OPENSSL != NONE ]; then
have=NGX_OPENSSL . auto/have
have=NGX_SSL . auto/have
have=NGX_OPENSSL_NO_CONFIG . auto/have
if [ $USE_OPENSSL_QUIC = YES ]; then
have=NGX_QUIC . auto/have
have=NGX_QUIC_OPENSSL_COMPAT . auto/have

21
src/event/ngx_event_openssl.c
View File

@ -142,8 +142,19 @@ ngx_ssl_init(ngx_log_t *log)
{
#if (OPENSSL_INIT_LOAD_CONFIG && !defined LIBRESSL_VERSION_NUMBER)
uint64_t opts;
OPENSSL_INIT_SETTINGS *init;
opts = OPENSSL_INIT_LOAD_CONFIG;
#if (NGX_OPENSSL_NO_CONFIG)
if (getenv("OPENSSL_CONF") == NULL) {
opts = OPENSSL_INIT_NO_LOAD_CONFIG;
}
#endif
init = OPENSSL_INIT_new();
if (init == NULL) {
ngx_ssl_error(NGX_LOG_ALERT, log, 0, "OPENSSL_INIT_new() failed");
@ -158,7 +169,7 @@ ngx_ssl_init(ngx_log_t *log)
}
#endif
if (OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, init) == 0) {
if (OPENSSL_init_ssl(opts, init) == 0) {
ngx_ssl_error(NGX_LOG_ALERT, log, 0, "OPENSSL_init_ssl() failed");
return NGX_ERROR;
}
@ -174,6 +185,14 @@ ngx_ssl_init(ngx_log_t *log)
#else
#if (NGX_OPENSSL_NO_CONFIG)
if (getenv("OPENSSL_CONF") == NULL) {
OPENSSL_no_config();
}
#endif
OPENSSL_config("nginx");
SSL_library_init();