X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Finit.c;h=cb9d65a4ddd1835a2bccfda30b176fa0891a43e4;hp=26021d9494f20b95fdf26352d18a454dfc4d025a;hb=302f75887e52bbe0ab7a5806335a0a1264323b07;hpb=1ffa8a9685e22a5a0ff1b1322df4d1720b05ce4c diff --git a/crypto/init.c b/crypto/init.c index 26021d9494..cb9d65a4dd 100644 --- a/crypto/init.c +++ b/crypto/init.c @@ -65,6 +65,9 @@ #include #include #include +#include + +static int stopped = 0; static void ossl_init_thread_stop(struct thread_local_inits_st *locals); @@ -72,7 +75,6 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals); #if !defined(OPENSSL_THREADS) typedef int OPENSSL_INIT_ONCE; # define OPENSSL_INIT_ONCE_STATIC_INIT 0 -# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) { @@ -97,7 +99,7 @@ static void ossl_init_thread_stop_cleanup(void) static struct thread_local_inits_st *local = NULL; static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc) { - static struct thread_local_inits_st *tmp; + struct thread_local_inits_st *tmp; tmp = local; @@ -122,7 +124,6 @@ static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc) */ typedef LONG OPENSSL_INIT_ONCE; # define OPENSSL_INIT_ONCE_STATIC_INIT 0 -# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0) # define ONCE_UNINITED 0 # define ONCE_ININIT 1 @@ -150,8 +151,6 @@ static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) typedef INIT_ONCE OPENSSL_INIT_ONCE; # define OPENSSL_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT -# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) \ - InitOnceInitialize((PINIT_ONCE)(once)) static BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID initfp, PVOID *unused) { @@ -212,7 +211,6 @@ static pthread_key_t threadstopkey; typedef pthread_once_t OPENSSL_INIT_ONCE; # define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT -# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = PTHREAD_ONCE_INIT) static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void)) { @@ -270,7 +268,7 @@ static void ossl_init_base(void) fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n"); #endif ossl_init_setup_thread_stop(); - atexit(OPENSSL_INIT_library_stop); + atexit(OPENSSL_cleanup); OPENSSL_cpuid_setup(); base_inited = 1; } @@ -501,7 +499,7 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals) ossl_init_thread_stop_cleanup(); } -void OPENSSL_INIT_thread_stop(void) +void OPENSSL_thread_stop(void) { ossl_init_thread_stop( (struct thread_local_inits_st *)ossl_init_get_thread_local(0)); @@ -533,10 +531,19 @@ int ossl_init_thread_start(uint64_t opts) return 1; } -void OPENSSL_INIT_library_stop(void) +void OPENSSL_cleanup(void) { OPENSSL_INIT_STOP *currhandler, *lasthandler; + /* If we've not been inited then no need to deinit */ + if (!base_inited) + return; + + /* Might be explicitly called and also by atexit */ + if (stopped) + return; + stopped = 1; + /* * Thread stop may not get automatically called by the thread library for * the very last thread in some situations, so call it directly. @@ -558,79 +565,45 @@ void OPENSSL_INIT_library_stop(void) if (zlib_inited) { #ifdef OPENSSL_INIT_DEBUG - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " "COMP_zlib_cleanup()\n"); #endif COMP_zlib_cleanup(); - zlib_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&zlib); } #ifndef OPENSSL_NO_ENGINE if (engine_inited) { # ifdef OPENSSL_INIT_DEBUG - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " "ENGINE_cleanup()\n"); # endif ENGINE_cleanup(); - engine_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_openssl); -# if !defined(OPENSSL_NO_HW) && \ - (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_cryptodev); -# endif -# ifndef OPENSSL_NO_RDRAND - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_rdrand); -# endif - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dynamic); -# ifndef OPENSSL_NO_STATIC_ENGINE -# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_padlock); -# endif -# if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_capi); -# endif - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dasync); -# endif } #endif - async_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&async); - - config_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&config); - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_ciphers); - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_digests); - if (load_crypto_strings_inited) { #ifdef OPENSSL_INIT_DEBUG - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " "ERR_free_strings()\n"); #endif ERR_free_strings(); - load_crypto_strings_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&load_crypto_strings); } - if (base_inited) { #ifdef OPENSSL_INIT_DEBUG - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " - "CRYPTO_cleanup_all_ex_data()\n"); - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " - "EVP_cleanup()\n"); - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " - "CONF_modules_free()\n"); - fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " - "RAND_cleanup()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + "CRYPTO_cleanup_all_ex_data()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + "EVP_cleanup()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + "CONF_modules_free()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: " + "RAND_cleanup()\n"); #endif - CRYPTO_cleanup_all_ex_data(); - EVP_cleanup(); - CONF_modules_free(); - RAND_cleanup(); - base_inited = 0; - OPENSSL_INIT_ONCE_DYNAMIC_INIT(&base); - } + CRYPTO_cleanup_all_ex_data(); + EVP_cleanup(); + CONF_modules_free(); + RAND_cleanup(); + base_inited = 0; } static const OPENSSL_INIT_SETTINGS *ossl_init_get_setting( @@ -653,9 +626,24 @@ static const OPENSSL_INIT_SETTINGS *ossl_init_get_setting( * called prior to any threads making calls to any OpenSSL functions, * i.e. passing a non-null settings value is assumed to be single-threaded. */ -void OPENSSL_INIT_crypto_library_start(uint64_t opts, - const OPENSSL_INIT_SETTINGS *settings) -{ +int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) +{ + static int stoperrset = 0; + + if (stopped) { + if (!stoperrset) { + /* + * We only ever set this once to avoid getting into an infinite + * loop where the error system keeps trying to init and fails so + * sets an error etc + */ + stoperrset = 1; + CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO_LIBRARY_START, + ERR_R_INIT_FAIL); + } + return 0; + } + ossl_init_once_run(&base, ossl_init_base); if (opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS) @@ -741,9 +729,11 @@ void OPENSSL_INIT_crypto_library_start(uint64_t opts, if (opts & OPENSSL_INIT_ZLIB) { ossl_init_once_run(&zlib, ossl_init_zlib); } + + return 1; } -int OPENSSL_INIT_register_stop_handler(void (*handler)(void)) +int OPENSSL_atexit(void (*handler)(void)) { OPENSSL_INIT_STOP *newhand;