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Added some bad argument checks on compatibility functions BIO_new_mem_buf and PEM_read_bio_PrivateKey.

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This commit is contained in:
David Garske
2018-06-06 09:23:54 -07:00
parent ad0a10441d
commit e1890a4b0e
2 changed files with 18 additions and 3 deletions
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11
src/ssl.c
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@@ -11599,12 +11599,15 @@ int wolfSSL_set_compression(WOLFSSL* ssl)
WOLFSSL_BIO* wolfSSL_BIO_new_mem_buf(void* buf, int len)
{
WOLFSSL_BIO* bio = NULL;
if (buf == NULL)
if (buf == NULL || len < 0) {
return bio;
}
bio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem());
if (bio == NULL)
if (bio == NULL) {
return bio;
}
bio->memLen = bio->wrSz = len;
bio->mem = (byte*)XMALLOC(len, 0, DYNAMIC_TYPE_OPENSSL);
@@ -27389,6 +27392,10 @@ WOLFSSL_EVP_PKEY* wolfSSL_PEM_read_bio_PrivateKey(WOLFSSL_BIO* bio,
WOLFSSL_ENTER("wolfSSL_PEM_read_bio_PrivateKey");
if (bio == NULL) {
return pkey;
}
if ((ret = wolfSSL_BIO_pending(bio)) > 0) {
memSz = ret;
mem = (char*)XMALLOC(memSz, bio->heap, DYNAMIC_TYPE_OPENSSL);

10
tests/api.c
View File

@@ -15712,7 +15712,10 @@ static void test_wolfSSL_PEM_PrivateKey(void)
AssertIntEQ(PEM_write_bio_PrivateKey(bio, pkey, NULL, NULL, 0, NULL, NULL),
WOLFSSL_SUCCESS);
/* test of creating new EVP_PKEY */
/* test creating new EVP_PKEY with bad arg */
AssertNull((pkey2 = PEM_read_bio_PrivateKey(NULL, NULL, NULL, NULL)));
/* test creating new EVP_PKEY with good args */
AssertNotNull((pkey2 = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL)));
AssertIntEQ((int)XMEMCMP(pkey->pkey.ptr, pkey2->pkey.ptr, pkey->pkey_sz),0);
@@ -17518,6 +17521,11 @@ static void test_wolfSSL_BIO_gets(void)
printf(testingFmt, "wolfSSL_X509_BIO_gets()");
/* try with bad args */
AssertNull(bio = BIO_new_mem_buf(NULL, sizeof(msg)));
AssertNull(bio = BIO_new_mem_buf((void*)msg, -1));
/* try with real msg */
AssertNotNull(bio = BIO_new_mem_buf((void*)msg, sizeof(msg)));
XMEMSET(buffer, 0, bufferSz);
AssertNotNull(BIO_push(bio, BIO_new(BIO_s_bio())));