fix some of the leaks

ok miod@ looks good deraadt@

4 files changed, 23 insertions, 7 deletions

diff --git a/lib/libcrypto/asn1/asn_mime.c b/lib/libcrypto/asn1/asn_mime.c
index d94b3cd6f84..3de73fdb1ef 100644
--- a/lib/libcrypto/asn1/asn_mime.c
+++ b/lib/libcrypto/asn1/asn_mime.c
@@ -823,10 +823,14 @@ static MIME_HEADER *mime_hdr_new(char *name, char *value)
 		}
 	} else tmpval = NULL;
 	mhdr = (MIME_HEADER *) malloc(sizeof(MIME_HEADER));
-	if(!mhdr) return NULL;
+	if (!mhdr)
+		return NULL;
 	mhdr->name = tmpname;
 	mhdr->value = tmpval;
-	if(!(mhdr->params = sk_MIME_PARAM_new(mime_param_cmp))) return NULL;
+	if (!(mhdr->params = sk_MIME_PARAM_new(mime_param_cmp))) {
+		free(mhdr);
+		return NULL;
+	}
 	return mhdr;
 }
 		
diff --git a/lib/libcrypto/ocsp/ocsp_ht.c b/lib/libcrypto/ocsp/ocsp_ht.c
index 17b252d6a86..0fa23b027b5 100644
--- a/lib/libcrypto/ocsp/ocsp_ht.c
+++ b/lib/libcrypto/ocsp/ocsp_ht.c
@@ -167,16 +167,24 @@ OCSP_REQ_CTX *OCSP_sendreq_new(BIO *io, char *path, OCSP_REQUEST *req,
 	else
 		rctx->iobuflen = OCSP_MAX_LINE_LEN;
 	rctx->iobuf = malloc(rctx->iobuflen);
-	if (!rctx->iobuf)
+	if (!rctx->iobuf) {
+		free(rctx);
 		return 0;
+	}
 	if (!path)
 		path = "/";
 
-        if (BIO_printf(rctx->mem, post_hdr, path) <= 0)
+        if (BIO_printf(rctx->mem, post_hdr, path) <= 0) {
+		free(rctx->iobuf);
+		free(rctx);
 		return 0;
+	}
 
-	if (req && !OCSP_REQ_CTX_set1_req(rctx, req))
+	if (req && !OCSP_REQ_CTX_set1_req(rctx, req)) {
+		free(rctx->iobuf);
+		free(rctx);
 		return 0;
+	}
 
 	return rctx;
 	}
diff --git a/lib/libcrypto/pem/pvkfmt.c b/lib/libcrypto/pem/pvkfmt.c
index 8da8e77973c..59af2020ab8 100644
--- a/lib/libcrypto/pem/pvkfmt.c
+++ b/lib/libcrypto/pem/pvkfmt.c
@@ -753,8 +753,10 @@ static EVP_PKEY *do_PVK_body(const unsigned char **in,
 			return NULL;
 			}
 		if (!derive_pvk_key(keybuf, p, saltlen,
-			    (unsigned char *)psbuf, inlen))
+			    (unsigned char *)psbuf, inlen)) {
+			free(enctmp);
 			return NULL;
+		}
 		p += saltlen;
 		/* Copy BLOBHEADER across, decrypt rest */
 		memcpy(enctmp, p, 8);
diff --git a/lib/libcrypto/x509/x509_lu.c b/lib/libcrypto/x509/x509_lu.c
index 644ea83bace..cbbe8e86f86 100644
--- a/lib/libcrypto/x509/x509_lu.c
+++ b/lib/libcrypto/x509/x509_lu.c
@@ -187,8 +187,10 @@ X509_STORE *X509_STORE_new(void)
 	ret->verify=0;
 	ret->verify_cb=0;
 
-	if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
+	if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) {
+		free(ret);
 		return NULL;
+	}
 
 	ret->get_issuer = 0;
 	ret->check_issued = 0;