diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2007-05-10 17:37:15 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2007-05-10 17:37:15 +0000 |
| commit | 62178961456bae47fae35a3960b4d4d70995c9e3 (patch) | |
| tree | 007c29fd1b14137a3a2a2f99f59cda3bbf34d384 /crypto/pkcs7/bio_pk7.c | |
| parent | ee7ca0941aa245f1f6b01fca03228aabb72c51cb (diff) | |
Improve error detection when streaming S/MIME.
Only use streaming when appropriate for detached data in smime utility.
Diffstat (limited to 'crypto/pkcs7/bio_pk7.c')
| -rw-r--r-- | crypto/pkcs7/bio_pk7.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/crypto/pkcs7/bio_pk7.c b/crypto/pkcs7/bio_pk7.c index 533e596a1c..581ba09f7a 100644 --- a/crypto/pkcs7/bio_pk7.c +++ b/crypto/pkcs7/bio_pk7.c @@ -114,13 +114,17 @@ BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7) out = BIO_push(asn_bio, out); + if (!p7aux || !asn_bio || !out) + goto err; + BIO_asn1_set_prefix(asn_bio, pkcs7_prefix, pkcs7_prefix_free); BIO_asn1_set_suffix(asn_bio, pkcs7_suffix, pkcs7_suffix_free); /* Now initialize BIO for PKCS#7 output */ p7bio = PKCS7_dataInit(p7, out); - PKCS7_stream(&boundary, p7); + if (!p7bio || !PKCS7_stream(&boundary, p7)) + goto err; p7aux->p7 = p7; p7aux->p7bio = p7bio; @@ -131,6 +135,14 @@ BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7) return p7bio; + err: + if (p7bio) + BIO_free(p7bio); + if (asn_bio) + BIO_free(asn_bio); + if (p7aux) + OPENSSL_free(p7aux); + return NULL; } static int pkcs7_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg) |