diff options
Diffstat (limited to 'openssl/doc/crypto/OPENSSL_config.pod')
| -rw-r--r-- | openssl/doc/crypto/OPENSSL_config.pod | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/openssl/doc/crypto/OPENSSL_config.pod b/openssl/doc/crypto/OPENSSL_config.pod index 888de88f6..5096faca0 100644 --- a/openssl/doc/crypto/OPENSSL_config.pod +++ b/openssl/doc/crypto/OPENSSL_config.pod @@ -15,31 +15,24 @@ OPENSSL_config, OPENSSL_no_config - simple OpenSSL configuration functions OPENSSL_config() configures OpenSSL using the standard B<openssl.cnf> configuration file name using B<config_name>. If B<config_name> is NULL then -the default name B<openssl_conf> will be used. Any errors are ignored. Further -calls to OPENSSL_config() will have no effect. The configuration file format -is documented in the L<conf(5)|conf(5)> manual page. +the file specified in the environment variable B<OPENSSL_CONF> will be used, +and if that is not set then a system default location is used. +Errors are silently ignored. +Multiple calls have no effect. OPENSSL_no_config() disables configuration. If called before OPENSSL_config() no configuration takes place. =head1 NOTES -It is B<strongly> recommended that B<all> new applications call OPENSSL_config() -or the more sophisticated functions such as CONF_modules_load() during -initialization (that is before starting any threads). By doing this -an application does not need to keep track of all configuration options -and some new functionality can be supported automatically. - -It is also possible to automatically call OPENSSL_config() when an application -calls OPENSSL_add_all_algorithms() by compiling an application with the -preprocessor symbol B<OPENSSL_LOAD_CONF> #define'd. In this way configuration -can be added without source changes. - -The environment variable B<OPENSSL_CONF> can be set to specify the location -of the configuration file. - -Currently ASN1 OBJECTs and ENGINE configuration can be performed future -versions of OpenSSL will add new configuration options. +The OPENSSL_config() function is designed to be a very simple "call it and +forget it" function. +It is however B<much> better than nothing. Applications which need finer +control over their configuration functionality should use the configuration +functions such as CONF_modules_load() directly. This function is deprecated +and its use should be avoided. +Applications should instead call CONF_modules_load() during +initialization (that is before starting any threads). There are several reasons why calling the OpenSSL configuration routines is advisable. For example new ENGINE functionality was added to OpenSSL 0.9.7. |