wolfSSL/wolfssl
1
0
Fork 1
mirror of https://github.com/wolfSSL/wolfssl.git synced 2025-07-31 11:17:29 +02:00
Code Issues Packages Projects Releases Wiki Activity

Check a null pointer dereference

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

13
src/ssl.c
View File

@ -19745,13 +19745,21 @@ int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam,
const char* name, const char* name,
unsigned int nameSz) unsigned int nameSz)
{ {
unsigned int sz = 0;
if (pParam == NULL) if (pParam == NULL)
return WOLFSSL_FAILURE; return WOLFSSL_FAILURE;
XMEMSET(pParam->hostName, 0, WOLFSSL_HOST_NAME_MAX); 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 is NUL-terminated, namelen can be set to zero. */
if(name && (nameSz == 0)) if(nameSz == 0 || nameSz > sz)
nameSz = (unsigned int)XSTRLEN(name); nameSz = sz;
if (nameSz > 0 && name[nameSz - 1] == '\0') if (nameSz > 0 && name[nameSz - 1] == '\0')
nameSz--; nameSz--;
@ -19765,7 +19773,6 @@ int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam,
pParam->hostName[nameSz] = '\0'; pParam->hostName[nameSz] = '\0';
return WOLFSSL_SUCCESS; return WOLFSSL_SUCCESS;
} }
/****************************************************************************** /******************************************************************************
* wolfSSL_get0_param - return a pointer to the SSL verification parameters * wolfSSL_get0_param - return a pointer to the SSL verification parameters