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SSL: clear error queue after SSL_CTX_load_verify_locations().

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The SSL_CTX_load_verify_locations() may leave errors in the error queue
while returning success (e.g. if there are duplicate certificates in the file
specified), resulting in "ignoring stale global SSL error" alerts later
at runtime.
This commit is contained in:
Maxim Dounin 2013-09-04 21:17:02 +04:00
parent f108b28038
commit 3d1e616d0b
1 changed files with 14 additions and 0 deletions
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14
src/event/ngx_event_openssl.c
View file

@ -363,6 +363,13 @@ ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
return NGX_ERROR;
}
/*
* SSL_CTX_load_verify_locations() may leave errors in the error queue
* while returning success
*/
ERR_clear_error();
list = SSL_load_client_CA_file((char *) cert->data);
if (list == NULL) {
@ -407,6 +414,13 @@ ngx_ssl_trusted_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
return NGX_ERROR;
}
/*
* SSL_CTX_load_verify_locations() may leave errors in the error queue
* while returning success
*/
ERR_clear_error();
return NGX_OK;
}