diff options
| author | Matt Caswell <matt@openssl.org> | 2018-11-15 16:27:34 +0000 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2019-01-04 13:19:39 +0000 |
| commit | 8f6a5c56c17aa89b80fef73875beec53aef1f2c8 (patch) | |
| tree | 1df3376cb70c961d21ea7e7339e9d1d0a119d815 /crypto/init.c | |
| parent | 660a1e0434eb5eb8548bea3ad35f3821d49c5c15 (diff) | |
Implement OPENSSL_INIT_NO_ATEXIT
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7647)
Diffstat (limited to 'crypto/init.c')
| -rw-r--r-- | crypto/init.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/crypto/init.c b/crypto/init.c index 86419d022e..321ac11cf4 100644 --- a/crypto/init.c +++ b/crypto/init.c @@ -100,10 +100,6 @@ DEFINE_RUN_ONCE_STATIC(ossl_init_base) return 0; if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL) goto err; -#ifndef OPENSSL_SYS_UEFI - if (atexit(OPENSSL_cleanup) != 0) - goto err; -#endif OPENSSL_cpuid_setup(); destructor_key.value = key; @@ -121,6 +117,30 @@ err: return 0; } +static CRYPTO_ONCE register_atexit = CRYPTO_ONCE_STATIC_INIT; +DEFINE_RUN_ONCE_STATIC(ossl_init_register_atexit) +{ +# ifdef OPENSSL_INIT_DEBUG + fprintf(stderr, "OPENSSL_INIT: ossl_init_register_atexit()\n"); +# endif +#ifndef OPENSSL_SYS_UEFI + if (atexit(OPENSSL_cleanup) != 0) + return 0; +#endif + + return 1; +} + +DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_register_atexit, + ossl_init_register_atexit) +{ +#ifdef OPENSSL_INIT_DEBUG + fprintf(stderr, "OPENSSL_INIT: ossl_init_no_register_atexit ok!\n"); +#endif + /* Do nothing in this case */ + return 1; +} + static CRYPTO_ONCE load_crypto_nodelete = CRYPTO_ONCE_STATIC_INIT; DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_nodelete) { @@ -621,6 +641,14 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) if (!RUN_ONCE(&base, ossl_init_base)) return 0; + if ((opts & OPENSSL_INIT_NO_ATEXIT) != 0) { + if (!RUN_ONCE_ALT(®ister_atexit, ossl_init_no_register_atexit, + ossl_init_register_atexit)) + return 0; + } else if (!RUN_ONCE(®ister_atexit, ossl_init_register_atexit)) { + return 0; + } + if (!(opts & OPENSSL_INIT_BASE_ONLY) && !RUN_ONCE(&load_crypto_nodelete, ossl_init_load_crypto_nodelete)) |