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Check a null pointer dereference

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This commit is contained in:
Tesfa Mael
2019-08-13 11:48:20 -07:00
parent b1ad0525ea
commit 9301cce9ac
1 changed files with 10 additions and 3 deletions
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13
src/ssl.c
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@ -19745,13 +19745,21 @@ int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam,
const char* name,
unsigned int nameSz)
{
unsigned int sz = 0;
if (pParam == NULL)
return WOLFSSL_FAILURE;
XMEMSET(pParam->hostName, 0, WOLFSSL_HOST_NAME_MAX);
if (name == NULL)
return WOLFSSL_SUCCESS;
sz = (unsigned int)XSTRLEN(name);
/* If name is NUL-terminated, namelen can be set to zero. */
if(name && (nameSz == 0))
nameSz = (unsigned int)XSTRLEN(name);
if(nameSz == 0 || nameSz > sz)
nameSz = sz;
if (nameSz > 0 && name[nameSz - 1] == '\0')
nameSz--;
@ -19765,7 +19773,6 @@ int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam,
pParam->hostName[nameSz] = '\0';
return WOLFSSL_SUCCESS;
}
/******************************************************************************
* wolfSSL_get0_param - return a pointer to the SSL verification parameters