[PATCH] crypt32: pwszContainerName or pwszProvName could be NULL in CRYPT_KEY_PROV_INFO.
Dmitry Timoshkov
dmitry at baikal.ru
Thu May 21 00:02:41 CDT 2020
This patch makes behaviour of CRYPT_FixKeyProvInfoPointers match CRYPT_CopyKeyProvInfo,
and fixes reading CRYPT_KEY_PROV_INFO certificate property from the store.
Signed-off-by: Dmitry Timoshkov <dmitry at baikal.ru>
---
dlls/crypt32/cert.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/dlls/crypt32/cert.c b/dlls/crypt32/cert.c
index 48eaac082e..488b84001c 100644
--- a/dlls/crypt32/cert.c
+++ b/dlls/crypt32/cert.c
@@ -525,13 +525,19 @@ void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
DWORD i, containerLen, provNameLen;
LPBYTE data = (LPBYTE)info + sizeof(CRYPT_KEY_PROV_INFO);
- info->pwszContainerName = (LPWSTR)data;
- containerLen = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
- data += containerLen;
+ if (info->pwszContainerName)
+ {
+ info->pwszContainerName = (LPWSTR)data;
+ containerLen = (lstrlenW(info->pwszContainerName) + 1) * sizeof(WCHAR);
+ data += containerLen;
+ }
- info->pwszProvName = (LPWSTR)data;
- provNameLen = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
- data += provNameLen;
+ if (info->pwszProvName)
+ {
+ info->pwszProvName = (LPWSTR)data;
+ provNameLen = (lstrlenW(info->pwszProvName) + 1) * sizeof(WCHAR);
+ data += provNameLen;
+ }
if (info->cProvParam)
{
--
2.26.2
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