diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2010-01-13 18:57:40 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2010-01-13 18:57:40 +0000 |
| commit | 1b31b5ad560b16e2fe1cad54a755e3e6b5e778a3 (patch) | |
| tree | 4fc3b04515e9887d1bec45d7e1866bdcc5ddba9c /crypto/comp/c_zlib.c | |
| parent | 97438f38df81c6b43c5ab2839e6ed913c39be02f (diff) | |
Modify compression code so it avoids using ex_data free functions. This
stops applications that call CRYPTO_free_all_ex_data() prematurely leaking
memory.
Diffstat (limited to 'crypto/comp/c_zlib.c')
| -rw-r--r-- | crypto/comp/c_zlib.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/crypto/comp/c_zlib.c b/crypto/comp/c_zlib.c index 0e503bf177..8adf35f3fc 100644 --- a/crypto/comp/c_zlib.c +++ b/crypto/comp/c_zlib.c @@ -136,15 +136,6 @@ struct zlib_state static int zlib_stateful_ex_idx = -1; -static void zlib_stateful_free_ex_data(void *obj, void *item, - CRYPTO_EX_DATA *ad, int ind,long argl, void *argp) - { - struct zlib_state *state = (struct zlib_state *)item; - inflateEnd(&state->istream); - deflateEnd(&state->ostream); - OPENSSL_free(state); - } - static int zlib_stateful_init(COMP_CTX *ctx) { int err; @@ -188,6 +179,12 @@ static int zlib_stateful_init(COMP_CTX *ctx) static void zlib_stateful_finish(COMP_CTX *ctx) { + struct zlib_state *state = + (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, + zlib_stateful_ex_idx); + inflateEnd(&state->istream); + deflateEnd(&state->ostream); + OPENSSL_free(state); CRYPTO_free_ex_data(CRYPTO_EX_INDEX_COMP,ctx,&ctx->ex_data); } @@ -402,7 +399,7 @@ COMP_METHOD *COMP_zlib(void) if (zlib_stateful_ex_idx == -1) zlib_stateful_ex_idx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_COMP, - 0,NULL,NULL,NULL,zlib_stateful_free_ex_data); + 0,NULL,NULL,NULL,NULL); CRYPTO_w_unlock(CRYPTO_LOCK_COMP); if (zlib_stateful_ex_idx == -1) goto err; |