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wininet: Add support for SSPI authentication for HTTP.

This commit is contained in:
Rob Shearman 2007-05-21 14:26:26 +01:00 committed by Alexandre Julliard
parent 7eaf1fe2f5
commit 4b507685e8
3 changed files with 344 additions and 6 deletions
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2
dlls/wininet/Makefile.in
View File

@ -6,7 +6,7 @@ VPATH = @srcdir@
MODULE = wininet.dll
IMPORTLIB = libwininet.$(IMPLIBEXT)
IMPORTS = mpr shlwapi shell32 user32 advapi32 kernel32 ntdll
DELAYIMPORTS = crypt32
DELAYIMPORTS = secur32 crypt32
EXTRALIBS = @SOCKETLIBS@
C_SRCS = \

344
dlls/wininet/http.c
View File

@ -55,6 +55,7 @@
#define NO_SHLWAPI_STRFCNS
#define NO_SHLWAPI_GDI
#include "shlwapi.h"
#include "sspi.h"
#include "internet.h"
#include "wine/debug.h"
@ -68,6 +69,7 @@ static const WCHAR g_szReferer[] = {'R','e','f','e','r','e','r',0};
static const WCHAR g_szAccept[] = {'A','c','c','e','p','t',0};
static const WCHAR g_szUserAgent[] = {'U','s','e','r','-','A','g','e','n','t',0};
static const WCHAR szHost[] = { 'H','o','s','t',0 };
static const WCHAR szAuthorization[] = { 'A','u','t','h','o','r','i','z','a','t','i','o','n',0 };
static const WCHAR szProxy_Authorization[] = { 'P','r','o','x','y','-','A','u','t','h','o','r','i','z','a','t','i','o','n',0 };
static const WCHAR szStatus[] = { 'S','t','a','t','u','s',0 };
static const WCHAR szKeepAlive[] = {'K','e','e','p','-','A','l','i','v','e',0};
@ -88,6 +90,19 @@ static const WCHAR szKeepAlive[] = {'K','e','e','p','-','A','l','i','v','e',0};
#define HTTP_ADDHDR_FLAG_REPLACE 0x80000000
#define HTTP_ADDHDR_FLAG_REQ 0x02000000
#define ARRAYSIZE(array) (sizeof(array)/sizeof((array)[0]))
struct HttpAuthInfo
{
LPWSTR scheme;
CredHandle cred;
CtxtHandle ctx;
TimeStamp exp;
ULONG attr;
void *auth_data;
unsigned int auth_data_len;
BOOL finished; /* finished authenticating */
};
static void HTTP_CloseHTTPRequestHandle(LPWININETHANDLEHEADER hdr);
static void HTTP_CloseHTTPSessionHandle(LPWININETHANDLEHEADER hdr);
@ -105,6 +120,7 @@ static BOOL WINAPI HTTP_HttpQueryInfoW( LPWININETHTTPREQW lpwhr, DWORD
dwInfoLevel, LPVOID lpBuffer, LPDWORD lpdwBufferLength, LPDWORD
lpdwIndex);
static BOOL HTTP_HandleRedirect(LPWININETHTTPREQW lpwhr, LPCWSTR lpszUrl);
static UINT HTTP_DecodeBase64(LPCWSTR base64, LPSTR bin);
LPHTTPHEADERW HTTP_GetHeader(LPWININETHTTPREQW req, LPCWSTR head)
@ -397,6 +413,161 @@ static void HTTP_AddProxyInfo( LPWININETHTTPREQW lpwhr )
hIC->lpszProxyPassword);
}
static inline BOOL is_basic_auth_value( LPCWSTR pszAuthValue )
{
static const WCHAR szBasic[] = {'B','a','s','i','c'}; /* Note: not nul-terminated */
return !strncmpiW(pszAuthValue, szBasic, ARRAYSIZE(szBasic)) &&
((pszAuthValue[ARRAYSIZE(szBasic)] != ' ') || !pszAuthValue[ARRAYSIZE(szBasic)]);
}
static BOOL HTTP_DoAuthorization( LPWININETHTTPREQW lpwhr, LPCWSTR pszAuthValue )
{
SECURITY_STATUS sec_status;
struct HttpAuthInfo *pAuthInfo = lpwhr->pAuthInfo;
TRACE("%s\n", debugstr_w(pszAuthValue));
if (!pAuthInfo)
{
TimeStamp exp;
pAuthInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(*pAuthInfo));
if (!pAuthInfo)
return FALSE;
pAuthInfo->scheme = WININET_strdupW(pszAuthValue);
if (!pAuthInfo->scheme)
{
HeapFree(GetProcessHeap(), 0, pAuthInfo);
return FALSE;
}
SecInvalidateHandle(&pAuthInfo->cred);
SecInvalidateHandle(&pAuthInfo->ctx);
memset(&pAuthInfo->exp, 0, sizeof(pAuthInfo->exp));
pAuthInfo->attr = 0;
pAuthInfo->auth_data = NULL;
pAuthInfo->auth_data_len = 0;
pAuthInfo->finished = FALSE;
if (!is_basic_auth_value(pszAuthValue))
{
SEC_WINNT_AUTH_IDENTITY_W nt_auth_identity;
WCHAR *user = strchrW(lpwhr->lpHttpSession->lpszUserName, '\\');
WCHAR *domain = lpwhr->lpHttpSession->lpszUserName;
if (user) user++;
else
{
user = lpwhr->lpHttpSession->lpszUserName;
domain = NULL;
}
nt_auth_identity.Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
nt_auth_identity.User = user;
nt_auth_identity.UserLength = strlenW(nt_auth_identity.User);
nt_auth_identity.Domain = domain;
nt_auth_identity.DomainLength = domain ? user - domain - 1 : 0;
nt_auth_identity.Password = lpwhr->lpHttpSession->lpszPassword;
nt_auth_identity.PasswordLength = strlenW(nt_auth_identity.Password);
/* FIXME: make sure scheme accepts SEC_WINNT_AUTH_IDENTITY before calling AcquireCredentialsHandle */
sec_status = AcquireCredentialsHandleW(NULL, pAuthInfo->scheme,
SECPKG_CRED_OUTBOUND, NULL,
&nt_auth_identity, NULL,
NULL, &pAuthInfo->cred,
&exp);
if (sec_status != SEC_E_OK)
{
WARN("AcquireCredentialsHandleW for scheme %s failed with error 0x%08x\n",
debugstr_w(pAuthInfo->scheme), sec_status);
HeapFree(GetProcessHeap(), 0, pAuthInfo->scheme);
HeapFree(GetProcessHeap(), 0, pAuthInfo);
return FALSE;
}
}
lpwhr->pAuthInfo = pAuthInfo;
}
else if (pAuthInfo->finished)
return FALSE;
if ((strlenW(pszAuthValue) < strlenW(pAuthInfo->scheme)) ||
strncmpiW(pszAuthValue, pAuthInfo->scheme, strlenW(pAuthInfo->scheme)))
{
ERR("authentication scheme changed from %s to %s\n",
debugstr_w(pAuthInfo->scheme), debugstr_w(pszAuthValue));
return FALSE;
}
if (is_basic_auth_value(pszAuthValue))
{
FIXME("do basic authentication\n");
return FALSE;
}
else
{
LPCWSTR pszAuthData;
SecBufferDesc out_desc, in_desc;
SecBuffer out, in;
unsigned char *buffer;
ULONG context_req = ISC_REQ_CONNECTION | ISC_REQ_USE_DCE_STYLE |
ISC_REQ_MUTUAL_AUTH | ISC_REQ_DELEGATE;
in.BufferType = SECBUFFER_TOKEN;
in.cbBuffer = 0;
in.pvBuffer = NULL;
in_desc.ulVersion = 0;
in_desc.cBuffers = 1;
in_desc.pBuffers = &in;
pszAuthData = pszAuthValue + strlenW(pAuthInfo->scheme);
if (*pszAuthData == ' ')
{
pszAuthData++;
in.cbBuffer = HTTP_DecodeBase64(pszAuthData, NULL);
in.pvBuffer = HeapAlloc(GetProcessHeap(), 0, in.cbBuffer);
HTTP_DecodeBase64(pszAuthData, in.pvBuffer);
}
buffer = HeapAlloc(GetProcessHeap(), 0, 0x100);
out.BufferType = SECBUFFER_TOKEN;
out.cbBuffer = 0x100;
out.pvBuffer = buffer;
out_desc.ulVersion = 0;
out_desc.cBuffers = 1;
out_desc.pBuffers = &out;
sec_status = InitializeSecurityContextW(&pAuthInfo->cred, NULL, NULL,
context_req, 0, SECURITY_NETWORK_DREP,
in.pvBuffer ? &in_desc : NULL,
0, &pAuthInfo->ctx, &out_desc,
&pAuthInfo->attr, &pAuthInfo->exp);
if (sec_status == SEC_E_OK)
{
pAuthInfo->finished = TRUE;
pAuthInfo->auth_data = out.pvBuffer;
pAuthInfo->auth_data_len = out.cbBuffer;
TRACE("sending last auth packet\n");
}
else if (sec_status == SEC_I_CONTINUE_NEEDED)
{
pAuthInfo->auth_data = out.pvBuffer;
pAuthInfo->auth_data_len = out.cbBuffer;
TRACE("sending next auth packet\n");
}
else
{
ERR("InitializeSecurityContextW returned error 0x%08x\n", sec_status);
HeapFree(GetProcessHeap(), 0, out.pvBuffer);
return FALSE;
}
}
return TRUE;
}
/***********************************************************************
* HTTP_HttpAddRequestHeadersW (internal)
*/
@ -889,6 +1060,94 @@ static UINT HTTP_EncodeBase64( LPCSTR bin, unsigned int len, LPWSTR base64 )
return n;
}
#define CH(x) (((x) >= 'A' && (x) <= 'Z') ? (x) - 'A' : \
((x) >= 'a' && (x) <= 'z') ? (x) - 'a' + 26 : \
((x) >= '0' && (x) <= '9') ? (x) - '0' + 52 : \
((x) == '+') ? 62 : ((x) == '/') ? 63 : -1)
static const signed char HTTP_Base64Dec[256] =
{
CH( 0),CH( 1),CH( 2),CH( 3),CH( 4),CH( 5),CH( 6),CH( 7),CH( 8),CH( 9),
CH(10),CH(11),CH(12),CH(13),CH(14),CH(15),CH(16),CH(17),CH(18),CH(19),
CH(20),CH(21),CH(22),CH(23),CH(24),CH(25),CH(26),CH(27),CH(28),CH(29),
CH(30),CH(31),CH(32),CH(33),CH(34),CH(35),CH(36),CH(37),CH(38),CH(39),
CH(40),CH(41),CH(42),CH(43),CH(44),CH(45),CH(46),CH(47),CH(48),CH(49),
CH(50),CH(51),CH(52),CH(53),CH(54),CH(55),CH(56),CH(57),CH(58),CH(59),
CH(60),CH(61),CH(62),CH(63),CH(64),CH(65),CH(66),CH(67),CH(68),CH(69),
CH(70),CH(71),CH(72),CH(73),CH(74),CH(75),CH(76),CH(77),CH(78),CH(79),
CH(80),CH(81),CH(82),CH(83),CH(84),CH(85),CH(86),CH(87),CH(88),CH(89),
CH(90),CH(91),CH(92),CH(93),CH(94),CH(95),CH(96),CH(97),CH(98),CH(99),
CH(100),CH(101),CH(102),CH(103),CH(104),CH(105),CH(106),CH(107),CH(108),CH(109),
CH(110),CH(111),CH(112),CH(113),CH(114),CH(115),CH(116),CH(117),CH(118),CH(119),
CH(120),CH(121),CH(122),CH(123),CH(124),CH(125),CH(126),CH(127),CH(128),CH(129),
CH(130),CH(131),CH(132),CH(133),CH(134),CH(135),CH(136),CH(137),CH(138),CH(139),
CH(140),CH(141),CH(142),CH(143),CH(144),CH(145),CH(146),CH(147),CH(148),CH(149),
CH(150),CH(151),CH(152),CH(153),CH(154),CH(155),CH(156),CH(157),CH(158),CH(159),
CH(160),CH(161),CH(162),CH(163),CH(164),CH(165),CH(166),CH(167),CH(168),CH(169),
CH(170),CH(171),CH(172),CH(173),CH(174),CH(175),CH(176),CH(177),CH(178),CH(179),
CH(180),CH(181),CH(182),CH(183),CH(184),CH(185),CH(186),CH(187),CH(188),CH(189),
CH(190),CH(191),CH(192),CH(193),CH(194),CH(195),CH(196),CH(197),CH(198),CH(199),
CH(200),CH(201),CH(202),CH(203),CH(204),CH(205),CH(206),CH(207),CH(208),CH(209),
CH(210),CH(211),CH(212),CH(213),CH(214),CH(215),CH(216),CH(217),CH(218),CH(219),
CH(220),CH(221),CH(222),CH(223),CH(224),CH(225),CH(226),CH(227),CH(228),CH(229),
CH(230),CH(231),CH(232),CH(233),CH(234),CH(235),CH(236),CH(237),CH(238),CH(239),
CH(240),CH(241),CH(242),CH(243),CH(244),CH(245),CH(246),CH(247),CH(248), CH(249),
CH(250),CH(251),CH(252),CH(253),CH(254),CH(255),
};
#undef CH
/***********************************************************************
* HTTP_DecodeBase64
*/
static UINT HTTP_DecodeBase64( LPCWSTR base64, LPSTR bin )
{
unsigned int n = 0;
while(*base64)
{
signed char in[4];
if (base64[0] > ARRAYSIZE(HTTP_Base64Dec) ||
((in[0] = HTTP_Base64Dec[base64[0]]) == -1) ||
base64[1] > ARRAYSIZE(HTTP_Base64Dec) ||
((in[1] = HTTP_Base64Dec[base64[1]]) == -1))
{
WARN("invalid base64: %s\n", debugstr_w(base64));
return 0;
}
if (bin)
bin[n] = (unsigned char) (in[0] << 2 | in[1] >> 4);
n++;
if ((base64[2] == '=') && (base64[3] == '='))
break;
if (base64[2] > ARRAYSIZE(HTTP_Base64Dec) ||
((in[2] = HTTP_Base64Dec[base64[2]]) == -1))
{
WARN("invalid base64: %s\n", debugstr_w(&base64[2]));
return 0;
}
if (bin)
bin[n] = (unsigned char) (in[1] << 4 | in[2] >> 2);
n++;
if (base64[3] == '=')
break;
if (base64[3] > ARRAYSIZE(HTTP_Base64Dec) ||
((in[3] = HTTP_Base64Dec[base64[3]]) == -1))
{
WARN("invalid base64: %s\n", debugstr_w(&base64[3]));
return 0;
}
if (bin)
bin[n] = (unsigned char) (((in[2] << 6) & 0xc0) | in[3]);
n++;
base64 += 4;
}
return n;
}
/***********************************************************************
* HTTP_EncodeBasicAuth
*
@ -899,7 +1158,7 @@ static LPWSTR HTTP_EncodeBasicAuth( LPCWSTR username, LPCWSTR password)
UINT len;
char *in;
LPWSTR out;
static const WCHAR szBasic[] = {'B','a','s','i','c',' ',0};
static const WCHAR szBasic[] = {'B','a','s','i','c',' '}; /* Note: not nul-terminated */
int userlen = WideCharToMultiByte(CP_UTF8, 0, username, lstrlenW(username), NULL, 0, NULL, NULL);
int passlen = WideCharToMultiByte(CP_UTF8, 0, password, lstrlenW(password), NULL, 0, NULL, NULL);
@ -907,7 +1166,7 @@ static LPWSTR HTTP_EncodeBasicAuth( LPCWSTR username, LPCWSTR password)
if( !in )
return NULL;
len = lstrlenW(szBasic) +
len = ARRAYSIZE(szBasic) +
(lstrlenW( username ) + 1 + lstrlenW ( password ))*2 + 1 + 1;
out = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
if( out )
@ -915,7 +1174,7 @@ static LPWSTR HTTP_EncodeBasicAuth( LPCWSTR username, LPCWSTR password)
WideCharToMultiByte(CP_UTF8, 0, username, -1, in, userlen, NULL, NULL);
in[userlen] = ':';
WideCharToMultiByte(CP_UTF8, 0, password, -1, &in[userlen+1], passlen, NULL, NULL);
lstrcpyW( out, szBasic );
memcpy( out, szBasic, sizeof(szBasic) );
HTTP_EncodeBase64( in, userlen + 1 + passlen, &out[strlenW(out)] );
}
HeapFree( GetProcessHeap(), 0, in );
@ -947,6 +1206,49 @@ static BOOL HTTP_InsertProxyAuthorization( LPWININETHTTPREQW lpwhr,
return ret;
}
/***********************************************************************
* HTTP_InsertAuthorization
*
* Insert or delete the authorization field in the request header.
*/
static BOOL HTTP_InsertAuthorization( LPWININETHTTPREQW lpwhr )
{
WCHAR *authorization = NULL;
if (lpwhr->pAuthInfo && lpwhr->pAuthInfo->auth_data_len)
{
static const WCHAR wszSpace[] = {' ',0};
unsigned int len;
/* scheme + space + base64 encoded data (3/2/1 bytes data -> 4 bytes of characters) */
len = strlenW(lpwhr->pAuthInfo->scheme)+1+((lpwhr->pAuthInfo->auth_data_len+2)*4)/3;
authorization = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
if (!authorization)
return FALSE;
strcpyW(authorization, lpwhr->pAuthInfo->scheme);
strcatW(authorization, wszSpace);
HTTP_EncodeBase64(lpwhr->pAuthInfo->auth_data,
lpwhr->pAuthInfo->auth_data_len,
authorization+strlenW(authorization));
/* clear the data as it isn't valid now that it has been sent to the
* server */
HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo->auth_data);
lpwhr->pAuthInfo->auth_data = NULL;
lpwhr->pAuthInfo->auth_data_len = 0;
}
TRACE("Inserting authorization: %s\n", debugstr_w(authorization));
HTTP_ProcessHeader(lpwhr, szAuthorization, authorization,
HTTP_ADDHDR_FLAG_REPLACE | HTTP_ADDHDR_FLAG_REQ);
HeapFree(GetProcessHeap(), 0, authorization);
return TRUE;
}
/***********************************************************************
* HTTP_DealWithProxy
*/
@ -1227,7 +1529,6 @@ static const WCHAR szAccept_Language[] = { 'A','c','c','e','p','t','-','L','a','
static const WCHAR szAccept_Ranges[] = { 'A','c','c','e','p','t','-','R','a','n','g','e','s',0 };
static const WCHAR szAge[] = { 'A','g','e',0 };
static const WCHAR szAllow[] = { 'A','l','l','o','w',0 };
static const WCHAR szAuthorization[] = { 'A','u','t','h','o','r','i','z','a','t','i','o','n',0 };
static const WCHAR szCache_Control[] = { 'C','a','c','h','e','-','C','o','n','t','r','o','l',0 };
static const WCHAR szConnection[] = { 'C','o','n','n','e','c','t','i','o','n',0 };
static const WCHAR szContent_Base[] = { 'C','o','n','t','e','n','t','-','B','a','s','e',0 };
@ -2313,6 +2614,7 @@ BOOL WINAPI HTTP_HttpSendRequestW(LPWININETHTTPREQW lpwhr, LPCWSTR lpszHeaders,
lpwhr->hdr.dwFlags & INTERNET_FLAG_KEEP_CONNECTION ? szKeepAlive : szClose,
HTTP_ADDHDR_FLAG_REQ | HTTP_ADDHDR_FLAG_REPLACE);
HTTP_InsertAuthorization(lpwhr);
/* if there's a proxy username and password, add it to the headers */
HTTP_AddProxyInfo(lpwhr);
@ -2397,7 +2699,25 @@ BOOL WINAPI HTTP_HttpSendRequestW(LPWININETHTTPREQW lpwhr, LPCWSTR lpszHeaders,
}
}
}
if (!(lpwhr->hdr.dwFlags & INTERNET_FLAG_NO_AUTH) && bSuccess)
{
DWORD dwCode,dwCodeLength=sizeof(DWORD);
WCHAR szAuthValue[2048];
dwBufferSize=2048;
if (HTTP_HttpQueryInfoW(lpwhr,HTTP_QUERY_FLAG_NUMBER|HTTP_QUERY_STATUS_CODE,&dwCode,&dwCodeLength,NULL) &&
(dwCode == HTTP_STATUS_DENIED))
{
DWORD dwIndex = 0;
while (HTTP_HttpQueryInfoW(lpwhr,HTTP_QUERY_WWW_AUTHENTICATE,szAuthValue,&dwBufferSize,&dwIndex))
{
if (HTTP_DoAuthorization(lpwhr, szAuthValue))
{
loop_next = TRUE;
break;
}
}
}
}
}
else
bSuccess = TRUE;
@ -2489,6 +2809,8 @@ HINTERNET HTTP_Connect(LPWININETAPPINFOW hIC, LPCWSTR lpszServerName,
}
if (lpszUserName && lpszUserName[0])
lpwhs->lpszUserName = WININET_strdupW(lpszUserName);
if (lpszPassword && lpszPassword[0])
lpwhs->lpszPassword = WININET_strdupW(lpszPassword);
lpwhs->nServerPort = nServerPort;
lpwhs->nHostPort = nServerPort;
@ -2973,6 +3295,17 @@ static VOID HTTP_CloseConnection(LPWININETHTTPREQW lpwhr)
if (!NETCON_connected(&lpwhr->netConnection))
return;
if (lpwhr->pAuthInfo)
{
DeleteSecurityContext(&lpwhr->pAuthInfo->ctx);
FreeCredentialsHandle(&lpwhr->pAuthInfo->cred);
HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo->auth_data);
HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo->scheme);
HeapFree(GetProcessHeap(), 0, lpwhr->pAuthInfo);
lpwhr->pAuthInfo = NULL;
}
lpwhs = lpwhr->lpHttpSession;
hIC = lpwhs->lpAppInfo;
@ -3061,6 +3394,7 @@ static void HTTP_CloseHTTPSessionHandle(LPWININETHANDLEHEADER hdr)
HeapFree(GetProcessHeap(), 0, lpwhs->lpszHostName);
HeapFree(GetProcessHeap(), 0, lpwhs->lpszServerName);
HeapFree(GetProcessHeap(), 0, lpwhs->lpszPassword);
HeapFree(GetProcessHeap(), 0, lpwhs->lpszUserName);
HeapFree(GetProcessHeap(), 0, lpwhs);
}

4
dlls/wininet/internet.h
View File

@ -166,6 +166,7 @@ typedef struct
LPWSTR lpszHostName; /* the final destination of the request */
LPWSTR lpszServerName; /* the name of the server we directly connect to */
LPWSTR lpszUserName;
LPWSTR lpszPassword;
INTERNET_PORT nHostPort; /* the final destination port of the request */
INTERNET_PORT nServerPort; /* the port of the server we directly connect to */
struct sockaddr_in socketAddress;
@ -184,6 +185,8 @@ typedef struct
} HTTPHEADERW, *LPHTTPHEADERW;
struct HttpAuthInfo;
typedef struct
{
WININETHANDLEHEADER hdr;
@ -198,6 +201,7 @@ typedef struct
DWORD dwContentRead; /* bytes of the content read so far */
HTTPHEADERW *pCustHeaders;
DWORD nCustHeaders;
struct HttpAuthInfo *pAuthInfo;
} WININETHTTPREQW, *LPWININETHTTPREQW;