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winhttp: Move common code to the upper level, avoid accessing the buffer before the buffer size check, make the code conform to existing rules.

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This commit is contained in:
Dmitry Timoshkov 2008-09-17 11:41:26 +09:00 committed by Alexandre Julliard
parent b4e6aa645b
commit 24e426517e
1 changed files with 46 additions and 42 deletions
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88
dlls/winhttp/session.c
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@ -85,12 +85,6 @@ static void session_destroy( object_header_t *hdr )
static BOOL session_query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
{
if (!buflen)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_REDIRECT_POLICY:
@ -98,7 +92,7 @@ static BOOL session_query_option( object_header_t *hdr, DWORD option, LPVOID buf
if (!buffer || *buflen < sizeof(DWORD))
{
*buflen = sizeof(DWORD);
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
@ -108,19 +102,13 @@ static BOOL session_query_option( object_header_t *hdr, DWORD option, LPVOID buf
}
default:
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_INVALID_PARAMETER);
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
}
static BOOL session_set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD buflen )
{
if (!buffer)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_PROXY:
@ -136,7 +124,7 @@ static BOOL session_set_option( object_header_t *hdr, DWORD option, LPVOID buffe
if (buflen != sizeof(policy))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
@ -146,11 +134,11 @@ static BOOL session_set_option( object_header_t *hdr, DWORD option, LPVOID buffe
return TRUE;
}
case WINHTTP_OPTION_DISABLE_FEATURE:
SetLastError(ERROR_WINHTTP_INCORRECT_HANDLE_TYPE);
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
default:
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_INVALID_PARAMETER);
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
}
@ -310,12 +298,6 @@ static void request_destroy( object_header_t *hdr )
static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPDWORD buflen )
{
if (!buflen)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_SECURITY_FLAGS:
@ -325,7 +307,7 @@ static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buf
if (!buffer || *buflen < sizeof(flags))
{
*buflen = sizeof(flags);
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
@ -343,7 +325,7 @@ static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buf
if (!buffer || *buflen < sizeof(cert))
{
*buflen = sizeof(cert);
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
@ -357,7 +339,7 @@ static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buf
if (!buffer || *buflen < sizeof(DWORD))
{
*buflen = sizeof(DWORD);
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
@ -367,19 +349,13 @@ static BOOL request_query_option( object_header_t *hdr, DWORD option, LPVOID buf
}
default:
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_INVALID_PARAMETER);
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
}
static BOOL request_set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD buflen )
{
if (!buffer)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_PROXY:
@ -391,49 +367,52 @@ static BOOL request_set_option( object_header_t *hdr, DWORD option, LPVOID buffe
}
case WINHTTP_OPTION_DISABLE_FEATURE:
{
DWORD disable = *(DWORD *)buffer;
DWORD disable;
if (buflen != sizeof(DWORD))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
disable = *(DWORD *)buffer;
TRACE("0x%x\n", disable);
hdr->disable_flags |= disable;
return TRUE;
}
case WINHTTP_OPTION_AUTOLOGON_POLICY:
{
DWORD policy = *(DWORD *)buffer;
DWORD policy;
if (buflen != sizeof(DWORD))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
policy = *(DWORD *)buffer;
TRACE("0x%x\n", policy);
hdr->logon_policy = policy;
return TRUE;
}
case WINHTTP_OPTION_REDIRECT_POLICY:
{
DWORD policy = *(DWORD *)buffer;
DWORD policy;
if (buflen != sizeof(DWORD))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
policy = *(DWORD *)buffer;
TRACE("0x%x\n", policy);
hdr->redirect_policy = policy;
return TRUE;
}
default:
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_INVALID_PARAMETER);
set_last_error( ERROR_INVALID_PARAMETER );
return TRUE;
}
}
@ -531,10 +510,23 @@ static BOOL query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPD
{
BOOL ret = FALSE;
if (!buflen)
{
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_CONTEXT_VALUE:
{
if (!buffer || *buflen < sizeof(DWORD_PTR))
{
*buflen = sizeof(DWORD_PTR);
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
*(DWORD_PTR *)buffer = hdr->context;
*buflen = sizeof(DWORD_PTR);
return TRUE;
@ -544,7 +536,7 @@ static BOOL query_option( object_header_t *hdr, DWORD option, LPVOID buffer, LPD
else
{
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_WINHTTP_INCORRECT_HANDLE_TYPE);
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
break;
@ -578,10 +570,22 @@ static BOOL set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD
{
BOOL ret = TRUE;
if (!buffer)
{
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
switch (option)
{
case WINHTTP_OPTION_CONTEXT_VALUE:
{
if (buflen != sizeof(DWORD_PTR))
{
set_last_error( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
hdr->context = *(DWORD_PTR *)buffer;
return TRUE;
}
@ -590,7 +594,7 @@ static BOOL set_option( object_header_t *hdr, DWORD option, LPVOID buffer, DWORD
else
{
FIXME("unimplemented option %u\n", option);
SetLastError(ERROR_WINHTTP_INCORRECT_HANDLE_TYPE);
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
break;