Juan Lang : crypt32: Don' t underreport the size available when formatting szOID_AUTHORITY_KEY_IDENTIFIER2 .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1c35b251e87445eac0aa9c6a6797f65a6c9f5c6a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1c35b251e87445eac0aa9c6a67...

Author: Juan Lang 
Date:   Wed Nov 12 20:22:32 2008 -0800

crypt32: Don't underreport the size available when formatting szOID_AUTHORITY_KEY_IDENTIFIER2.

---

dlls/crypt32/object.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/dlls/crypt32/object.c b/dlls/crypt32/object.c
index 19a3217..f5a6483 100644
--- a/dlls/crypt32/object.c
+++ b/dlls/crypt32/object.c
@@ -1089,6 +1089,10 @@ static BOOL WINAPI CRYPT_FormatAuthorityKeyId2(DWORD dwCertEncodingType,
                 if (info->KeyId.cbData)
                 {
                     needSeparator = TRUE;
+                    /* Overestimate size available, it's already been checked
+                     * above.
+                     */
+                    size = bytesNeeded;
                     ret = CRYPT_FormatKeyId(&info->KeyId, str, &size);
                     if (ret)
                         str += size / sizeof(WCHAR);
@@ -1101,6 +1105,10 @@ static BOOL WINAPI CRYPT_FormatAuthorityKeyId2(DWORD dwCertEncodingType,
                         str += sepLen / sizeof(WCHAR);
                     }
                     needSeparator = TRUE;
+                    /* Overestimate size available, it's already been checked
+                     * above.
+                     */
+                    size = bytesNeeded;
                     ret = CRYPT_FormatCertIssuer(dwFormatStrType,
                      &info->AuthorityCertIssuer, str, &size);
                     if (ret)
@@ -1113,6 +1121,10 @@ static BOOL WINAPI CRYPT_FormatAuthorityKeyId2(DWORD dwCertEncodingType,
                         strcpyW(str, sep);
                         str += sepLen / sizeof(WCHAR);
                     }
+                    /* Overestimate size available, it's already been checked
+                     * above.
+                     */
+                    size = bytesNeeded;
                     ret = CRYPT_FormatCertSerialNumber(
                      &info->AuthorityCertSerialNumber, str, &size);
                 }