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Commit 5cefdb68 authored by Juan Lang's avatar Juan Lang Committed by Alexandre Julliard
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crypt32: Fix potential buffer overruns in CertGetNameStringW.

parent a83f94af
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Showing with 4 additions and 4 deletions
dlls/crypt32/str.c
View file @ 5cefdb68
......@@ -1018,7 +1018,7 @@ DWORD WINAPI CertGetNameStringW(PCCERT_CONTEXT pCertContext, DWORD dwType,
{
if (!pszNameString)
ret = strlenW(entry->pwszRfc822Name) + 1;
else
else if (cchNameString)
{
ret = min(strlenW(entry->pwszRfc822Name), cchNameString - 1);
memcpy(pszNameString, entry->pwszRfc822Name,
......@@ -1103,7 +1103,7 @@ DWORD WINAPI CertGetNameStringW(PCCERT_CONTEXT pCertContext, DWORD dwType,
{
if (!pszNameString)
ret = strlenW(entry->pwszRfc822Name) + 1;
else
else if (cchNameString)
{
ret = min(strlenW(entry->pwszRfc822Name),
cchNameString - 1);
......@@ -1140,7 +1140,7 @@ DWORD WINAPI CertGetNameStringW(PCCERT_CONTEXT pCertContext, DWORD dwType,
{
if (!pszNameString)
ret = strlenW(entry->pwszDNSName) + 1;
else
else if (cchNameString)
{
ret = min(strlenW(entry->pwszDNSName), cchNameString - 1);
memcpy(pszNameString, entry->pwszDNSName, ret * sizeof(WCHAR));
......@@ -1164,7 +1164,7 @@ DWORD WINAPI CertGetNameStringW(PCCERT_CONTEXT pCertContext, DWORD dwType,
{
if (!pszNameString)
ret = strlenW(entry->pwszURL) + 1;
else
else if (cchNameString)
{
ret = min(strlenW(entry->pwszURL), cchNameString - 1);
memcpy(pszNameString, entry->pwszURL, ret * sizeof(WCHAR));
......
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