diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2009-09-23 23:43:49 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2009-09-23 23:43:49 +0000 |
| commit | b6dcdbfc94c482f6c15ba725754fc9e827e41851 (patch) | |
| tree | 9fec84d4564530bc97b42d56e01a64abb96adac3 /crypto/evp/bio_md.c | |
| parent | cd4f7cddc7994d23d48b86cf638541c6e2310c2d (diff) | |
Audit libcrypto for unchecked return values: fix all cases enountered
Diffstat (limited to 'crypto/evp/bio_md.c')
| -rw-r--r-- | crypto/evp/bio_md.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/crypto/evp/bio_md.c b/crypto/evp/bio_md.c index 9841e32e1a..144fdfd56a 100644 --- a/crypto/evp/bio_md.c +++ b/crypto/evp/bio_md.c @@ -153,8 +153,12 @@ static int md_write(BIO *b, const char *in, int inl) { if (ret > 0) { - EVP_DigestUpdate(ctx,(const unsigned char *)in, - (unsigned int)ret); + if (!EVP_DigestUpdate(ctx,(const unsigned char *)in, + (unsigned int)ret)) + { + BIO_clear_retry_flags(b); + return 0; + } } } if(b->next_bio != NULL) @@ -220,7 +224,8 @@ static long md_ctrl(BIO *b, int cmd, long num, void *ptr) case BIO_CTRL_DUP: dbio=ptr; dctx=dbio->ptr; - EVP_MD_CTX_copy_ex(dctx,ctx); + if (!EVP_MD_CTX_copy_ex(dctx,ctx)) + return 0; b->init=1; break; default: |