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winpr/sspi/ntlm: fix GetComputerNameExA parameters

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On input, the lpnSize [in, out] parameter for GetComputerNameEx()
specifies the total size of the buffer (in characters).
Several functions in ntlm.c were off by one which caused ntlm to fail
if the netbios hostname's strlen was exactly MAX_COMPUTERNAME_LENGTH.
This commit is contained in:
Norbert Federa
2016-06-14 12:37:37 +02:00
parent f0bdd62e9c
commit 26ed09a14f
2 changed files with 3 additions and 3 deletions
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4
winpr/libwinpr/sspi/NTLM/ntlm.c
View File

@@ -45,9 +45,9 @@ char* NTLM_PACKAGE_NAME = "NTLM";
int ntlm_SetContextWorkstation(NTLM_CONTEXT* context, char* Workstation)
{
int status;
DWORD nSize = MAX_COMPUTERNAME_LENGTH;
char* ws = Workstation;
CHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD nSize = sizeof(computerName) * sizeof(CHAR);
if (!Workstation)
{
@@ -108,7 +108,7 @@ int ntlm_SetContextTargetName(NTLM_CONTEXT* context, char* TargetName)
{
int status;
CHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD nSize = MAX_COMPUTERNAME_LENGTH;
DWORD nSize = sizeof(computerName) * sizeof(CHAR);
char* name = TargetName;
if (!name)

2
winpr/libwinpr/sspi/NTLM/ntlm_av_pairs.c
View File

@@ -174,7 +174,7 @@ int ntlm_get_target_computer_name(PUNICODE_STRING pName, COMPUTER_NAME_FORMAT ty
char* name;
int status;
CHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD nSize = MAX_COMPUTERNAME_LENGTH;
DWORD nSize = sizeof(computerName) * sizeof(CHAR);
if (!GetComputerNameExA(type, computerName, &nSize))
return -1;