diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2006-03-28 17:23:48 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2006-03-28 17:23:48 +0000 |
| commit | 246e09319c1d2a8140ffe1e5aeb1be26015696f0 (patch) | |
| tree | 4cf7e9633d8849983bd6a7803fb49c7f64f01a1d /crypto/evp/names.c | |
| parent | f7a3296d8c8746b9901e95674425f300a6dfd1d4 (diff) | |
Fix bug where freed OIDs could be accessed in EVP_cleanup() by
defering freeing in OBJ_cleanup().
Diffstat (limited to 'crypto/evp/names.c')
| -rw-r--r-- | crypto/evp/names.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/crypto/evp/names.c b/crypto/evp/names.c index 88c1e780dd..348df71cba 100644 --- a/crypto/evp/names.c +++ b/crypto/evp/names.c @@ -62,12 +62,16 @@ #include <openssl/objects.h> #include <openssl/x509.h> +extern int obj_cleanup_defer; +extern void check_defer(int nid); + int EVP_add_cipher(const EVP_CIPHER *c) { int r; r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); if (r == 0) return(0); + check_defer(c->nid); r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); return(r); } @@ -80,6 +84,7 @@ int EVP_add_digest(const EVP_MD *md) name=OBJ_nid2sn(md->type); r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md); if (r == 0) return(0); + check_defer(md->type); r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md); if (r == 0) return(0); @@ -88,6 +93,7 @@ int EVP_add_digest(const EVP_MD *md) r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); if (r == 0) return(0); + check_defer(md->pkey_type); r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); } @@ -120,4 +126,9 @@ void EVP_cleanup(void) OBJ_NAME_cleanup(-1); EVP_PBE_cleanup(); + if (obj_cleanup_defer == 2) + { + obj_cleanup_defer = 0; + OBJ_cleanup(); + } } |