From 121ee399c91789b34898e25eed67802e7a888277 Mon Sep 17 00:00:00 2001 From: Rich Salz Date: Wed, 20 May 2015 06:56:14 -0400 Subject: [PATCH] Fix -DZLIB build for opaque COMP types Reviewed-by: Richard Levitte --- crypto/comp/c_zlib.c | 51 ++++++++---------------------------------- crypto/comp/comp_lcl.h | 1 + 2 files changed, 10 insertions(+), 42 deletions(-) diff --git a/crypto/comp/c_zlib.c b/crypto/comp/c_zlib.c index 83773a1106..6a57f70926 100644 --- a/crypto/comp/c_zlib.c +++ b/crypto/comp/c_zlib.c @@ -109,9 +109,7 @@ static COMP_METHOD zlib_stateful_method = { zlib_stateful_init, zlib_stateful_finish, zlib_stateful_compress_block, - zlib_stateful_expand_block, - NULL, - NULL, + zlib_stateful_expand_block }; /* @@ -167,8 +165,6 @@ struct zlib_state { z_stream ostream; }; -static int zlib_stateful_ex_idx = -1; - static int zlib_stateful_init(COMP_CTX *ctx) { int err; @@ -200,8 +196,7 @@ static int zlib_stateful_init(COMP_CTX *ctx) if (err != Z_OK) goto err; - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data); - CRYPTO_set_ex_data(&ctx->ex_data, zlib_stateful_ex_idx, state); + ctx->data = state; return 1; err: OPENSSL_free(state); @@ -210,13 +205,10 @@ 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); + struct zlib_state *state = ctx->data; inflateEnd(&state->istream); deflateEnd(&state->ostream); OPENSSL_free(state); - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data); } static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, @@ -224,9 +216,7 @@ static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, unsigned int ilen) { int err = Z_OK; - struct zlib_state *state = - (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, - zlib_stateful_ex_idx); + struct zlib_state *state = ctx->data; if (state == NULL) return -1; @@ -252,10 +242,7 @@ static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out, unsigned int ilen) { int err = Z_OK; - - struct zlib_state *state = - (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, - zlib_stateful_ex_idx); + struct zlib_state *state = ctx->data; if (state == NULL) return 0; @@ -307,33 +294,13 @@ COMP_METHOD *COMP_zlib(void) && p_inflateInit_ && p_deflateEnd && p_deflate && p_deflateInit_ && p_zError) zlib_loaded++; + if (zlib_loaded) + meth = &zlib_stateful_method; } } #endif -#ifdef ZLIB_SHARED - if (zlib_loaded) -#endif -#if defined(ZLIB) || defined(ZLIB_SHARED) - { - /* - * init zlib_stateful_ex_idx here so that in a multi-process - * application it's enough to intialize openssl before forking (idx - * will be inherited in all the children) - */ - if (zlib_stateful_ex_idx == -1) { - CRYPTO_w_lock(CRYPTO_LOCK_COMP); - if (zlib_stateful_ex_idx == -1) - zlib_stateful_ex_idx = - CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_COMP, - 0, NULL, NULL, NULL, NULL); - CRYPTO_w_unlock(CRYPTO_LOCK_COMP); - if (zlib_stateful_ex_idx == -1) - goto err; - } - - meth = &zlib_stateful_method; - } - err: +#if defined(ZLIB) + meth = &zlib_stateful_method; #endif return (meth); diff --git a/crypto/comp/comp_lcl.h b/crypto/comp/comp_lcl.h index f1ec8d5481..613437e05a 100644 --- a/crypto/comp/comp_lcl.h +++ b/crypto/comp/comp_lcl.h @@ -71,4 +71,5 @@ struct comp_ctx_st { unsigned long compress_out; unsigned long expand_in; unsigned long expand_out; + void* data; }; -- 2.25.1