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Sweden-Number/dlls/wininet/cookie.c

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/*
* Wininet - cookie handling stuff
*
* Copyright 2002 TransGaming Technologies Inc.
*
* David Hammerton
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wininet.h"
#include "winerror.h"
#include "wine/debug.h"
#include "internet.h"
#define RESPONSE_TIMEOUT 30 /* FROM internet.c */
WINE_DEFAULT_DEBUG_CHANNEL(wininet);
/* FIXME
* Cookies are currently memory only.
* Cookies are NOT THREAD SAFE
* Cookies could use ALOT OF MEMORY. We need some kind of memory management here!
* Cookies should care about the expiry time
*/
typedef struct _cookie_domain cookie_domain;
typedef struct _cookie cookie;
struct _cookie
{
struct _cookie *next;
struct _cookie *prev;
struct _cookie_domain *parent;
LPWSTR lpCookieName;
LPWSTR lpCookieData;
time_t expiry; /* FIXME: not used */
};
struct _cookie_domain
{
struct _cookie_domain *next;
struct _cookie_domain *prev;
LPWSTR lpCookieDomain;
LPWSTR lpCookiePath;
cookie *cookie_tail;
};
static cookie_domain *cookieDomainTail;
static cookie *COOKIE_addCookie(cookie_domain *domain, LPCWSTR name, LPCWSTR data);
static cookie *COOKIE_findCookie(cookie_domain *domain, LPCWSTR lpszCookieName);
static void COOKIE_deleteCookie(cookie *deadCookie, BOOL deleteDomain);
static cookie_domain *COOKIE_addDomain(LPCWSTR domain, LPCWSTR path);
static cookie_domain *COOKIE_addDomainFromUrl(LPCWSTR lpszUrl);
static cookie_domain *COOKIE_findNextDomain(LPCWSTR lpszCookieDomain, LPCWSTR lpszCookiePath,
cookie_domain *prev_domain, BOOL allow_partial);
static cookie_domain *COOKIE_findNextDomainFromUrl(LPCWSTR lpszUrl, cookie_domain *prev_domain,
BOOL allow_partial);
static void COOKIE_deleteDomain(cookie_domain *deadDomain);
/* adds a cookie to the domain */
static cookie *COOKIE_addCookie(cookie_domain *domain, LPCWSTR name, LPCWSTR data)
{
cookie *newCookie = HeapAlloc(GetProcessHeap(), 0, sizeof(cookie));
newCookie->next = NULL;
newCookie->prev = NULL;
newCookie->lpCookieName = NULL;
newCookie->lpCookieData = NULL;
if (name)
{
newCookie->lpCookieName = HeapAlloc(GetProcessHeap(), 0, (strlenW(name) + 1)*sizeof(WCHAR));
lstrcpyW(newCookie->lpCookieName, name);
}
if (data)
{
newCookie->lpCookieData = HeapAlloc(GetProcessHeap(), 0, (strlenW(data) + 1)*sizeof(WCHAR));
lstrcpyW(newCookie->lpCookieData, data);
}
TRACE("added cookie %p (data is %s)\n", newCookie, debugstr_w(data) );
newCookie->prev = domain->cookie_tail;
newCookie->parent = domain;
domain->cookie_tail = newCookie;
return newCookie;
}
/* finds a cookie in the domain matching the cookie name */
static cookie *COOKIE_findCookie(cookie_domain *domain, LPCWSTR lpszCookieName)
{
cookie *searchCookie = domain->cookie_tail;
TRACE("(%p, %s)\n", domain, debugstr_w(lpszCookieName));
while (searchCookie)
{
BOOL candidate = TRUE;
if (candidate && lpszCookieName)
{
if (candidate && !searchCookie->lpCookieName)
candidate = FALSE;
if (candidate && strcmpW(lpszCookieName, searchCookie->lpCookieName) != 0)
candidate = FALSE;
}
if (candidate)
return searchCookie;
searchCookie = searchCookie->prev;
}
return NULL;
}
/* removes a cookie from the list, if its the last cookie we also remove the domain */
static void COOKIE_deleteCookie(cookie *deadCookie, BOOL deleteDomain)
{
if (deadCookie->lpCookieName)
HeapFree(GetProcessHeap(), 0, deadCookie->lpCookieName);
if (deadCookie->lpCookieData)
HeapFree(GetProcessHeap(), 0, deadCookie->lpCookieData);
if (deadCookie->prev)
deadCookie->prev->next = deadCookie->next;
if (deadCookie->next)
deadCookie->next->prev = deadCookie->prev;
if (deadCookie == deadCookie->parent->cookie_tail)
{
/* special case: last cookie, lets remove the domain to save memory */
deadCookie->parent->cookie_tail = deadCookie->prev;
if (!deadCookie->parent->cookie_tail && deleteDomain)
COOKIE_deleteDomain(deadCookie->parent);
}
}
/* allocates a domain and adds it to the end */
static cookie_domain *COOKIE_addDomain(LPCWSTR domain, LPCWSTR path)
{
cookie_domain *newDomain = HeapAlloc(GetProcessHeap(), 0, sizeof(cookie_domain));
newDomain->next = NULL;
newDomain->prev = NULL;
newDomain->cookie_tail = NULL;
newDomain->lpCookieDomain = NULL;
newDomain->lpCookiePath = NULL;
if (domain)
{
newDomain->lpCookieDomain = HeapAlloc(GetProcessHeap(), 0, (strlenW(domain) + 1)*sizeof(WCHAR));
strcpyW(newDomain->lpCookieDomain, domain);
}
if (path)
{
newDomain->lpCookiePath = HeapAlloc(GetProcessHeap(), 0, (strlenW(path) + 1)*sizeof(WCHAR));
lstrcpyW(newDomain->lpCookiePath, path);
}
newDomain->prev = cookieDomainTail;
cookieDomainTail = newDomain;
TRACE("Adding domain: %p\n", newDomain);
return newDomain;
}
static cookie_domain *COOKIE_addDomainFromUrl(LPCWSTR lpszUrl)
{
WCHAR hostName[2048], path[2048];
URL_COMPONENTSW UrlComponents;
UrlComponents.lpszExtraInfo = NULL;
UrlComponents.lpszPassword = NULL;
UrlComponents.lpszScheme = NULL;
UrlComponents.lpszUrlPath = path;
UrlComponents.lpszUserName = NULL;
UrlComponents.lpszHostName = hostName;
UrlComponents.dwHostNameLength = 2048;
UrlComponents.dwUrlPathLength = 2048;
InternetCrackUrlW(lpszUrl, 0, 0, &UrlComponents);
TRACE("Url cracked. Domain: %s, Path: %s.\n", debugstr_w(UrlComponents.lpszHostName),
debugstr_w(UrlComponents.lpszUrlPath));
/* hack for now - FIXME - There seems to be a bug in InternetCrackUrl?? */
UrlComponents.lpszUrlPath = NULL;
return COOKIE_addDomain(UrlComponents.lpszHostName, UrlComponents.lpszUrlPath);
}
/* find a domain. domain must match if its not NULL. path must match if its not NULL */
static cookie_domain *COOKIE_findNextDomain(LPCWSTR lpszCookieDomain, LPCWSTR lpszCookiePath,
cookie_domain *prev_domain, BOOL allow_partial)
{
cookie_domain *searchDomain;
if (prev_domain)
{
if(!prev_domain->prev)
{
TRACE("no more domains available, it would seem.\n");
return NULL;
}
searchDomain = prev_domain->prev;
}
else searchDomain = cookieDomainTail;
while (searchDomain)
{
BOOL candidate = TRUE;
TRACE("searching on domain %p\n", searchDomain);
if (candidate && lpszCookieDomain)
{
if (candidate && !searchDomain->lpCookieDomain)
candidate = FALSE;
TRACE("candidate! (%p)\n", searchDomain->lpCookieDomain);
TRACE("comparing domain %s with %s\n",
debugstr_w(lpszCookieDomain),
debugstr_w(searchDomain->lpCookieDomain));
if (candidate && allow_partial && !strstrW(lpszCookieDomain, searchDomain->lpCookieDomain))
candidate = FALSE;
else if (candidate && !allow_partial &&
lstrcmpW(lpszCookieDomain, searchDomain->lpCookieDomain) != 0)
candidate = FALSE;
}
if (candidate && lpszCookiePath)
{
TRACE("comparing paths\n");
if (candidate && !searchDomain->lpCookiePath)
candidate = FALSE;
if (candidate &&
strcmpW(lpszCookiePath, searchDomain->lpCookiePath))
candidate = FALSE;
}
if (candidate)
{
TRACE("returning the domain %p\n", searchDomain);
return searchDomain;
}
searchDomain = searchDomain->prev;
}
TRACE("found no domain, returning NULL\n");
return NULL;
}
static cookie_domain *COOKIE_findNextDomainFromUrl(LPCWSTR lpszUrl, cookie_domain *previous_domain,
BOOL allow_partial)
{
WCHAR hostName[2048], path[2048];
URL_COMPONENTSW UrlComponents;
UrlComponents.lpszExtraInfo = NULL;
UrlComponents.lpszPassword = NULL;
UrlComponents.lpszScheme = NULL;
UrlComponents.lpszUrlPath = path;
UrlComponents.lpszUserName = NULL;
UrlComponents.lpszHostName = hostName;
UrlComponents.dwHostNameLength = 2048;
UrlComponents.dwUrlPathLength = 2048;
InternetCrackUrlW(lpszUrl, 0, 0, &UrlComponents);
TRACE("Url cracked. Domain: %s, Path: %s.\n",
debugstr_w(UrlComponents.lpszHostName),
debugstr_w(UrlComponents.lpszUrlPath));
/* hack for now - FIXME - There seems to be a bug in InternetCrackUrl?? */
UrlComponents.lpszUrlPath = NULL;
return COOKIE_findNextDomain(UrlComponents.lpszHostName, UrlComponents.lpszUrlPath,
previous_domain, allow_partial);
}
/* remove a domain from the list and delete it */
static void COOKIE_deleteDomain(cookie_domain *deadDomain)
{
while (deadDomain->cookie_tail)
COOKIE_deleteCookie(deadDomain->cookie_tail, FALSE);
if (deadDomain->lpCookieDomain)
HeapFree(GetProcessHeap(), 0, deadDomain->lpCookieDomain);
if (deadDomain->lpCookiePath)
HeapFree(GetProcessHeap(), 0, deadDomain->lpCookiePath);
if (deadDomain->prev)
deadDomain->prev->next = deadDomain->next;
if (deadDomain->next)
deadDomain->next->prev = deadDomain->prev;
if (cookieDomainTail == deadDomain)
cookieDomainTail = deadDomain->prev;
HeapFree(GetProcessHeap(), 0, deadDomain);
}
/***********************************************************************
* InternetGetCookieW (WININET.@)
*
* Retrieve cookie from the specified url
*
* It should be noted that on windows the lpszCookieName parameter is "not implemented".
* So it won't be implemented here.
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetGetCookieW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPWSTR lpCookieData, LPDWORD lpdwSize)
{
cookie_domain *cookiesDomain = NULL;
cookie *thisCookie;
int cnt = 0, domain_count = 0;
/* Ok, this is just ODD!. During my tests, it appears M$ like to send out
* a cookie called 'MtrxTracking' to some urls. Also returns it from InternetGetCookie.
* I'm not exactly sure what to make of this, so its here for now.
* It'd be nice to know what exactly is going on, M$ tracking users? Does this need
* to be unique? Should I generate a random number here? etc.
*/
static const WCHAR TrackingString[] = {
'M','t','r','x','T','r','a','c','k','i','n','g','I','D','=',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5',
'6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1', 0 };
static const WCHAR szps[] = { '%','s',0 };
TRACE("(%s, %s, %p, %p)\n", debugstr_w(lpszUrl),debugstr_w(lpszCookieName),
lpCookieData, lpdwSize);
if (lpCookieData)
cnt += snprintfW(lpCookieData + cnt, *lpdwSize - cnt, szps, TrackingString);
else
cnt += strlenW(TrackingString);
while ((cookiesDomain = COOKIE_findNextDomainFromUrl(lpszUrl, cookiesDomain, TRUE)))
{
domain_count++;
TRACE("found domain %p\n", cookiesDomain);
thisCookie = cookiesDomain->cookie_tail;
if (lpCookieData == NULL) /* return the size of the buffer required to lpdwSize */
{
while (thisCookie)
{
cnt += 2; /* '; ' */
cnt += strlenW(thisCookie->lpCookieName);
cnt += 1; /* = */
cnt += strlenW(thisCookie->lpCookieData);
thisCookie = thisCookie->prev;
}
}
while (thisCookie)
{
static const WCHAR szsc[] = { ';',' ',0 };
static const WCHAR szpseq[] = { '%','s','=','%','s',0 };
cnt += snprintfW(lpCookieData + cnt, *lpdwSize - cnt, szsc);
cnt += snprintfW(lpCookieData + cnt, *lpdwSize - cnt, szpseq,
thisCookie->lpCookieName,
thisCookie->lpCookieData);
thisCookie = thisCookie->prev;
}
}
if (lpCookieData == NULL)
{
cnt += 1; /* NULL */
*lpdwSize = cnt;
TRACE("returning\n");
return TRUE;
}
if (!domain_count)
return FALSE;
*lpdwSize = cnt + 1;
TRACE("Returning %i (from %i domains): %s\n", cnt, domain_count,
debugstr_w(lpCookieData));
return (cnt ? TRUE : FALSE);
}
/***********************************************************************
* InternetGetCookieA (WININET.@)
*
* Retrieve cookie from the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetGetCookieA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPSTR lpCookieData, LPDWORD lpdwSize)
{
DWORD len;
LPWSTR szCookieData = NULL, szUrl = NULL, szCookieName = NULL;
BOOL r;
TRACE("(%s,%s,%p)\n", debugstr_a(lpszUrl), debugstr_a(lpszCookieName),
lpCookieData);
if( lpszUrl )
{
len = MultiByteToWideChar( CP_ACP, 0, lpszUrl, -1, NULL, 0 );
szUrl = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpszUrl, -1, szUrl, len );
}
if( lpszCookieName )
{
len = MultiByteToWideChar( CP_ACP, 0, lpszCookieName, -1, NULL, 0 );
szCookieName = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpszCookieName, -1, szCookieName, len );
}
r = InternetGetCookieW( szUrl, szCookieName, NULL, &len );
if( r )
{
szCookieData = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
if( !szCookieData )
return FALSE;
r = InternetGetCookieW( szUrl, szCookieName, szCookieData, &len );
*lpdwSize = WideCharToMultiByte( CP_ACP, 0, szCookieData, len,
lpCookieData, *lpdwSize, NULL, NULL );
}
if( szCookieData )
HeapFree( GetProcessHeap(), 0, szCookieData );
if( szCookieName )
HeapFree( GetProcessHeap(), 0, szCookieName );
if( szUrl )
HeapFree( GetProcessHeap(), 0, szUrl );
return r;
}
/***********************************************************************
* InternetSetCookieW (WININET.@)
*
* Sets cookie for the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetSetCookieW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPCWSTR lpCookieData)
{
cookie *thisCookie;
cookie_domain *thisCookieDomain;
TRACE("(%s,%s,%s)\n", debugstr_w(lpszUrl),
debugstr_w(lpszCookieName), debugstr_w(lpCookieData));
if (!lpCookieData || !strlenW(lpCookieData))
{
TRACE("no cookie data, not adding\n");
return FALSE;
}
if (!lpszCookieName)
{
/* some apps (or is it us??) try to add a cookie with no cookie name, but
* the cookie data in the form of name=data. */
/* FIXME, probably a bug here, for now I don't care */
WCHAR *ourCookieName, *ourCookieData;
int ourCookieNameSize;
BOOL ret;
if (!(ourCookieData = strchrW(lpCookieData, '=')))
{
TRACE("something terribly wrong with cookie data %s\n",
debugstr_w(ourCookieData));
return FALSE;
}
ourCookieNameSize = ourCookieData - lpCookieData;
ourCookieData += 1;
ourCookieName = HeapAlloc(GetProcessHeap(), 0,
(ourCookieNameSize + 1)*sizeof(WCHAR));
strncpyW(ourCookieName, ourCookieData, ourCookieNameSize);
ourCookieName[ourCookieNameSize] = '\0';
TRACE("setting (hacked) cookie of %s, %s\n",
debugstr_w(ourCookieName), debugstr_w(ourCookieData));
ret = InternetSetCookieW(lpszUrl, ourCookieName, ourCookieData);
HeapFree(GetProcessHeap(), 0, ourCookieName);
return ret;
}
if (!(thisCookieDomain = COOKIE_findNextDomainFromUrl(lpszUrl, NULL, FALSE)))
thisCookieDomain = COOKIE_addDomainFromUrl(lpszUrl);
if ((thisCookie = COOKIE_findCookie(thisCookieDomain, lpszCookieName)))
COOKIE_deleteCookie(thisCookie, FALSE);
thisCookie = COOKIE_addCookie(thisCookieDomain, lpszCookieName, lpCookieData);
return TRUE;
}
/***********************************************************************
* InternetSetCookieA (WININET.@)
*
* Sets cookie for the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetSetCookieA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPCSTR lpCookieData)
{
DWORD len;
LPWSTR szCookieData = NULL, szUrl = NULL, szCookieName = NULL;
BOOL r;
TRACE("(%s,%s,%s)\n", debugstr_a(lpszUrl),
debugstr_a(lpszCookieName), debugstr_a(lpCookieData));
if( lpszUrl )
{
len = MultiByteToWideChar( CP_ACP, 0, lpszUrl, -1, NULL, 0 );
szUrl = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpszUrl, -1, szUrl, len );
}
if( lpszCookieName )
{
len = MultiByteToWideChar( CP_ACP, 0, lpszCookieName, -1, NULL, 0 );
szCookieName = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpszCookieName, -1, szCookieName, len );
}
if( lpCookieData )
{
len = MultiByteToWideChar( CP_ACP, 0, lpCookieData, -1, NULL, 0 );
szCookieData = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpCookieData, -1, szCookieData, len );
}
r = InternetSetCookieW( szUrl, szCookieName, szCookieData );
if( szCookieData )
HeapFree( GetProcessHeap(), 0, szCookieData );
if( szCookieName )
HeapFree( GetProcessHeap(), 0, szCookieName );
if( szUrl )
HeapFree( GetProcessHeap(), 0, szUrl );
return r;
}
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