generic-library/openssl
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Setting the ex_data index is unsafe in a threaded environment, so

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let's wrap it with a lock.
This commit is contained in:
Richard Levitte 2003-10-06 09:09:44 +00:00
parent 6895cca89d
commit c40b9bdefb
3 changed files with 10 additions and 5 deletions
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9
crypto/comp/c_zlib.c
View File

@ -178,9 +178,12 @@ static int zlib_stateful_init(COMP_CTX *ctx)
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_COMP,ctx,&ctx->ex_data);
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);
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,zlib_stateful_free_ex_data);
CRYPTO_w_unlock(CRYPTO_LOCK_COMP);
if (zlib_stateful_ex_idx == -1)
goto err;
}

3
crypto/cryptlib.c
View File

@ -168,7 +168,8 @@ static const char* lock_names[CRYPTO_NUM_LOCKS] =
"bn",
"ec_pre_comp",
"store",
#if CRYPTO_NUM_LOCKS != 38
"comp",
#if CRYPTO_NUM_LOCKS != 39
# error "Inconsistency between crypto.h and cryptlib.c"
#endif
};

3
crypto/crypto.h
View File

@ -203,7 +203,8 @@ typedef struct openssl_item_st
#define CRYPTO_LOCK_BN 35
#define CRYPTO_LOCK_EC_PRE_COMP 36
#define CRYPTO_LOCK_STORE 37
#define CRYPTO_NUM_LOCKS 38
#define CRYPTO_LOCK_COMP 38
#define CRYPTO_NUM_LOCKS 39
#define CRYPTO_LOCK 1
#define CRYPTO_UNLOCK 2