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Commit f4dff734 authored by Hans Leidekker's avatar Hans Leidekker Committed by Alexandre Julliard
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winhttp: Add support for basic authentication.

parent 24e1fcc7
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Showing with 290 additions and 230 deletions
dlls/winhttp/request.c
View file @ f4dff734
......@@ -1158,6 +1158,282 @@ BOOL WINAPI WinHttpSendRequest( HINTERNET hrequest, LPCWSTR headers, DWORD heade
return ret;
}
#define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
static DWORD auth_scheme_from_header( WCHAR *header )
{
static const WCHAR basic[] = {'B','a','s','i','c'};
static const WCHAR ntlm[] = {'N','T','L','M'};
static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
static const WCHAR digest[] = {'D','i','g','e','s','t'};
static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
(header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
(header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
(header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
(header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
(header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
return 0;
}
static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
{
DWORD index = 0;
BOOL ret = FALSE;
for (;;)
{
WCHAR *buffer;
DWORD size, scheme;
size = 0;
query_headers( request, level, NULL, NULL, &size, &index );
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
index--;
if (!(buffer = heap_alloc( size ))) return FALSE;
if (!query_headers( request, level, NULL, buffer, &size, &index ))
{
heap_free( buffer );
return FALSE;
}
scheme = auth_scheme_from_header( buffer );
if (first && index == 1) *first = scheme;
*supported |= scheme;
heap_free( buffer );
ret = TRUE;
}
return ret;
}
/***********************************************************************
* WinHttpQueryAuthSchemes (winhttp.@)
*/
BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
{
BOOL ret = FALSE;
request_t *request;
TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
if (!(request = (request_t *)grab_object( hrequest )))
{
set_last_error( ERROR_INVALID_HANDLE );
return FALSE;
}
if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
{
release_object( &request->hdr );
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
{
*target = WINHTTP_AUTH_TARGET_SERVER;
ret = TRUE;
}
else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
{
*target = WINHTTP_AUTH_TARGET_PROXY;
ret = TRUE;
}
release_object( &request->hdr );
return ret;
}
static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
{
UINT n = 0, x;
static const char base64enc[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
while (len > 0)
{
/* first 6 bits, all from bin[0] */
base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
x = (bin[0] & 3) << 4;
/* next 6 bits, 2 from bin[0] and 4 from bin[1] */
if (len == 1)
{
base64[n++] = base64enc[x];
base64[n++] = '=';
base64[n++] = '=';
break;
}
base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
x = (bin[1] & 0x0f) << 2;
/* next 6 bits 4 from bin[1] and 2 from bin[2] */
if (len == 2)
{
base64[n++] = base64enc[x];
base64[n++] = '=';
break;
}
base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
/* last 6 bits, all from bin [2] */
base64[n++] = base64enc[bin[2] & 0x3f];
bin += 3;
len -= 3;
}
base64[n] = 0;
return n;
}
static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
{
static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
const WCHAR *auth_scheme, *auth_target;
WCHAR *auth_header;
DWORD len, auth_data_len;
char *auth_data;
BOOL ret;
if (!username || !password)
{
set_last_error( ERROR_INVALID_PARAMETER );
return FALSE;
}
switch (target)
{
case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
default:
WARN("unknown target %x\n", target);
return FALSE;
}
switch (scheme)
{
case WINHTTP_AUTH_SCHEME_BASIC:
{
int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
TRACE("basic authentication\n");
auth_scheme = basic;
auth_data_len = userlen + 1 + passlen;
if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
auth_data[userlen] = ':';
WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
break;
}
case WINHTTP_AUTH_SCHEME_NTLM:
case WINHTTP_AUTH_SCHEME_PASSPORT:
case WINHTTP_AUTH_SCHEME_DIGEST:
case WINHTTP_AUTH_SCHEME_NEGOTIATE:
FIXME("unimplemented authentication scheme %x\n", scheme);
return FALSE;
default:
WARN("unknown authentication scheme %x\n", scheme);
return FALSE;
}
len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
{
heap_free( auth_data );
return FALSE;
}
strcpyW( auth_header, auth_scheme );
encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
heap_free( auth_data );
heap_free( auth_header );
return ret;
}
/***********************************************************************
* WinHttpSetCredentials (winhttp.@)
*/
BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
LPCWSTR password, LPVOID params )
{
BOOL ret;
request_t *request;
TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
if (!(request = (request_t *)grab_object( hrequest )))
{
set_last_error( ERROR_INVALID_HANDLE );
return FALSE;
}
if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
{
release_object( &request->hdr );
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
ret = set_credentials( request, target, scheme, username, password );
release_object( &request->hdr );
return ret;
}
static BOOL handle_authorization( request_t *request, DWORD status )
{
DWORD schemes, level, target;
const WCHAR *username, *password;
switch (status)
{
case 401:
target = WINHTTP_AUTH_TARGET_SERVER;
level = WINHTTP_QUERY_WWW_AUTHENTICATE;
break;
case 407:
target = WINHTTP_AUTH_TARGET_PROXY;
level = WINHTTP_QUERY_PROXY_AUTHENTICATE;
break;
default:
WARN("unhandled status %u\n", status);
return FALSE;
}
if (!query_auth_schemes( request, level, &schemes, NULL )) return FALSE;
if (target == WINHTTP_AUTH_TARGET_SERVER)
{
username = request->connect->username;
password = request->connect->password;
}
else
{
username = request->connect->session->proxy_username;
password = request->connect->session->proxy_password;
}
if (schemes & WINHTTP_AUTH_SCHEME_BASIC)
return set_credentials( request, target, WINHTTP_AUTH_SCHEME_BASIC, username, password );
FIXME("unsupported authentication scheme\n");
return FALSE;
}
static void clear_response_headers( request_t *request )
{
unsigned int i;
......@@ -1577,7 +1853,20 @@ static BOOL receive_response( request_t *request, BOOL async )
ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE ); /* recurse synchronously */
continue;
}
if (status == 401) FIXME("authentication not supported\n");
else if (status == 401 || status == 407)
{
if (request->hdr.disable_flags & WINHTTP_DISABLE_AUTHENTICATION) break;
drain_content( request );
if (!handle_authorization( request, status ))
{
ret = TRUE;
break;
}
clear_response_headers( request );
ret = send_request( request, NULL, 0, NULL, 0, 0, 0, FALSE );
continue;
}
break;
}
......@@ -1848,232 +2137,3 @@ BOOL WINAPI WinHttpWriteData( HINTERNET hrequest, LPCVOID buffer, DWORD to_write
release_object( &request->hdr );
return ret;
}
#define ARRAYSIZE(array) (sizeof(array) / sizeof((array)[0]))
static DWORD auth_scheme_from_header( WCHAR *header )
{
static const WCHAR basic[] = {'B','a','s','i','c'};
static const WCHAR ntlm[] = {'N','T','L','M'};
static const WCHAR passport[] = {'P','a','s','s','p','o','r','t'};
static const WCHAR digest[] = {'D','i','g','e','s','t'};
static const WCHAR negotiate[] = {'N','e','g','o','t','i','a','t','e'};
if (!strncmpiW( header, basic, ARRAYSIZE(basic) ) &&
(header[ARRAYSIZE(basic)] == ' ' || !header[ARRAYSIZE(basic)])) return WINHTTP_AUTH_SCHEME_BASIC;
if (!strncmpiW( header, ntlm, ARRAYSIZE(ntlm) ) &&
(header[ARRAYSIZE(ntlm)] == ' ' || !header[ARRAYSIZE(ntlm)])) return WINHTTP_AUTH_SCHEME_NTLM;
if (!strncmpiW( header, passport, ARRAYSIZE(passport) ) &&
(header[ARRAYSIZE(passport)] == ' ' || !header[ARRAYSIZE(passport)])) return WINHTTP_AUTH_SCHEME_PASSPORT;
if (!strncmpiW( header, digest, ARRAYSIZE(digest) ) &&
(header[ARRAYSIZE(digest)] == ' ' || !header[ARRAYSIZE(digest)])) return WINHTTP_AUTH_SCHEME_DIGEST;
if (!strncmpiW( header, negotiate, ARRAYSIZE(negotiate) ) &&
(header[ARRAYSIZE(negotiate)] == ' ' || !header[ARRAYSIZE(negotiate)])) return WINHTTP_AUTH_SCHEME_NEGOTIATE;
return 0;
}
static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
{
DWORD index = 0;
BOOL ret = FALSE;
for (;;)
{
WCHAR *buffer;
DWORD size, scheme;
size = 0;
query_headers( request, level, NULL, NULL, &size, &index );
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) break;
index--;
if (!(buffer = heap_alloc( size ))) return FALSE;
if (!query_headers( request, level, NULL, buffer, &size, &index ))
{
heap_free( buffer );
return FALSE;
}
scheme = auth_scheme_from_header( buffer );
if (index == 1) *first = scheme;
*supported |= scheme;
heap_free( buffer );
ret = TRUE;
}
return ret;
}
/***********************************************************************
* WinHttpQueryAuthSchemes (winhttp.@)
*/
BOOL WINAPI WinHttpQueryAuthSchemes( HINTERNET hrequest, LPDWORD supported, LPDWORD first, LPDWORD target )
{
BOOL ret = FALSE;
request_t *request;
TRACE("%p, %p, %p, %p\n", hrequest, supported, first, target);
if (!(request = (request_t *)grab_object( hrequest )))
{
set_last_error( ERROR_INVALID_HANDLE );
return FALSE;
}
if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
{
release_object( &request->hdr );
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
if (query_auth_schemes( request, WINHTTP_QUERY_WWW_AUTHENTICATE, supported, first ))
{
*target = WINHTTP_AUTH_TARGET_SERVER;
ret = TRUE;
}
else if (query_auth_schemes( request, WINHTTP_QUERY_PROXY_AUTHENTICATE, supported, first ))
{
*target = WINHTTP_AUTH_TARGET_PROXY;
ret = TRUE;
}
release_object( &request->hdr );
return ret;
}
static UINT encode_base64( const char *bin, unsigned int len, WCHAR *base64 )
{
UINT n = 0, x;
static const char base64enc[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
while (len > 0)
{
/* first 6 bits, all from bin[0] */
base64[n++] = base64enc[(bin[0] & 0xfc) >> 2];
x = (bin[0] & 3) << 4;
/* next 6 bits, 2 from bin[0] and 4 from bin[1] */
if (len == 1)
{
base64[n++] = base64enc[x];
base64[n++] = '=';
base64[n++] = '=';
break;
}
base64[n++] = base64enc[x | ((bin[1] & 0xf0) >> 4)];
x = (bin[1] & 0x0f) << 2;
/* next 6 bits 4 from bin[1] and 2 from bin[2] */
if (len == 2)
{
base64[n++] = base64enc[x];
base64[n++] = '=';
break;
}
base64[n++] = base64enc[x | ((bin[2] & 0xc0) >> 6)];
/* last 6 bits, all from bin [2] */
base64[n++] = base64enc[bin[2] & 0x3f];
bin += 3;
len -= 3;
}
base64[n] = 0;
return n;
}
static BOOL set_credentials( request_t *request, DWORD target, DWORD scheme, LPCWSTR username, LPCWSTR password )
{
static const WCHAR basic[] = {'B','a','s','i','c',' ',0};
const WCHAR *auth_scheme, *auth_target;
WCHAR *auth_header;
DWORD len, auth_data_len;
char *auth_data;
BOOL ret;
switch (target)
{
case WINHTTP_AUTH_TARGET_SERVER: auth_target = attr_authorization; break;
case WINHTTP_AUTH_TARGET_PROXY: auth_target = attr_proxy_authorization; break;
default:
WARN("unknown target %x\n", target);
return FALSE;
}
switch (scheme)
{
case WINHTTP_AUTH_SCHEME_BASIC:
{
int userlen = WideCharToMultiByte( CP_UTF8, 0, username, strlenW( username ), NULL, 0, NULL, NULL );
int passlen = WideCharToMultiByte( CP_UTF8, 0, password, strlenW( password ), NULL, 0, NULL, NULL );
TRACE("basic authentication\n");
auth_scheme = basic;
auth_data_len = userlen + 1 + passlen;
if (!(auth_data = heap_alloc( auth_data_len ))) return FALSE;
WideCharToMultiByte( CP_UTF8, 0, username, -1, auth_data, userlen, NULL, NULL );
auth_data[userlen] = ':';
WideCharToMultiByte( CP_UTF8, 0, password, -1, auth_data + userlen + 1, passlen, NULL, NULL );
break;
}
case WINHTTP_AUTH_SCHEME_NTLM:
case WINHTTP_AUTH_SCHEME_PASSPORT:
case WINHTTP_AUTH_SCHEME_DIGEST:
case WINHTTP_AUTH_SCHEME_NEGOTIATE:
FIXME("unimplemented authentication scheme %x\n", scheme);
return FALSE;
default:
WARN("unknown authentication scheme %x\n", scheme);
return FALSE;
}
len = strlenW( auth_scheme ) + ((auth_data_len + 2) * 4) / 3;
if (!(auth_header = heap_alloc( (len + 1) * sizeof(WCHAR) )))
{
heap_free( auth_data );
return FALSE;
}
strcpyW( auth_header, auth_scheme );
encode_base64( auth_data, auth_data_len, auth_header + strlenW( auth_header ) );
ret = process_header( request, auth_target, auth_header, WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE, TRUE );
heap_free( auth_data );
heap_free( auth_header );
return ret;
}
/***********************************************************************
* WinHttpSetCredentials (winhttp.@)
*/
BOOL WINAPI WinHttpSetCredentials( HINTERNET hrequest, DWORD target, DWORD scheme, LPCWSTR username,
LPCWSTR password, LPVOID params )
{
BOOL ret;
request_t *request;
TRACE("%p, %x, 0x%08x, %s, %p, %p\n", hrequest, target, scheme, debugstr_w(username), password, params);
if (!(request = (request_t *)grab_object( hrequest )))
{
set_last_error( ERROR_INVALID_HANDLE );
return FALSE;
}
if (request->hdr.type != WINHTTP_HANDLE_TYPE_REQUEST)
{
release_object( &request->hdr );
set_last_error( ERROR_WINHTTP_INCORRECT_HANDLE_TYPE );
return FALSE;
}
ret = set_credentials( request, target, scheme, username, password );
release_object( &request->hdr );
return ret;
}
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