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CONF_modules_free, CONF_modules_finish, CONF_modules_unload - OpenSSL configuration cleanup functions
#include <openssl/conf.h> void CONF_modules_finish(void); void CONF_modules_unload(int all); Deprecated: #if OPENSSL_API_COMPAT < 0x10100000L void CONF_modules_free(void) #endif
CONF_modules_free() closes down and frees up all memory allocated by all configuration modules. CONF_modules_finish() calls each configuration modules finish handler to free up any configuration that module may have performed. CONF_modules_unload() finishes and unloads configuration modules. If all is set to 0 only modules loaded from DSOs will be unloads. If all is 1 all modules, including builtin modules will be unloaded.
Normally in versions of OpenSSL prior to 1.1.0 applications will only call CONF_modules_free() at application exit to tidy up any configuration performed. From 1.1.0 CONF_modules_free() is deprecated and no explicit CONF cleanup is required at all. For more information see OPENSSL_init_crypto(3).
None of the functions return a value.
conf(5), OPENSSL_config(3), CONF_modules_load_file(3)
CONF_modules_free() was deprecated in OpenSSL 1.1.0.
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