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"
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#include "wine/port.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"
#include "wine/list.h"
#define RESPONSE_TIMEOUT 30 /* FROM internet.c */
WINE_DEFAULT_DEBUG_CHANNEL(wininet);
/* FIXME
* Cookies are currently memory only.
* Cookies are NOT THREAD SAFE
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* Cookies could use A LOT 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 list entry;
struct _cookie_domain *parent;
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LPWSTR lpCookieName;
LPWSTR lpCookieData;
time_t expiry; /* FIXME: not used */
};
struct _cookie_domain
{
struct list entry;
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LPWSTR lpCookieDomain;
LPWSTR lpCookiePath;
struct list cookie_list;
};
static struct list domain_list = LIST_INIT(domain_list);
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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);
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static cookie_domain *COOKIE_addDomain(LPCWSTR domain, LPCWSTR path);
static void COOKIE_deleteDomain(cookie_domain *deadDomain);
/* adds a cookie to the domain */
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static cookie *COOKIE_addCookie(cookie_domain *domain, LPCWSTR name, LPCWSTR data)
{
cookie *newCookie = HeapAlloc(GetProcessHeap(), 0, sizeof(cookie));
list_init(&newCookie->entry);
newCookie->lpCookieName = NULL;
newCookie->lpCookieData = NULL;
if (name)
{
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newCookie->lpCookieName = HeapAlloc(GetProcessHeap(), 0, (strlenW(name) + 1)*sizeof(WCHAR));
lstrcpyW(newCookie->lpCookieName, name);
}
if (data)
{
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newCookie->lpCookieData = HeapAlloc(GetProcessHeap(), 0, (strlenW(data) + 1)*sizeof(WCHAR));
lstrcpyW(newCookie->lpCookieData, data);
}
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TRACE("added cookie %p (data is %s)\n", newCookie, debugstr_w(data) );
list_add_tail(&domain->cookie_list, &newCookie->entry);
newCookie->parent = domain;
return newCookie;
}
/* finds a cookie in the domain matching the cookie name */
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static cookie *COOKIE_findCookie(cookie_domain *domain, LPCWSTR lpszCookieName)
{
struct list * cursor;
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TRACE("(%p, %s)\n", domain, debugstr_w(lpszCookieName));
LIST_FOR_EACH(cursor, &domain->cookie_list)
{
cookie *searchCookie = LIST_ENTRY(cursor, cookie, entry);
BOOL candidate = TRUE;
if (candidate && lpszCookieName)
{
if (candidate && !searchCookie->lpCookieName)
candidate = FALSE;
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if (candidate && strcmpW(lpszCookieName, searchCookie->lpCookieName) != 0)
candidate = FALSE;
}
if (candidate)
return searchCookie;
}
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)
{
HeapFree(GetProcessHeap(), 0, deadCookie->lpCookieName);
HeapFree(GetProcessHeap(), 0, deadCookie->lpCookieData);
list_remove(&deadCookie->entry);
/* special case: last cookie, lets remove the domain to save memory */
if (list_empty(&deadCookie->parent->cookie_list) && deleteDomain)
COOKIE_deleteDomain(deadCookie->parent);
HeapFree(GetProcessHeap(), 0, deadCookie);
}
/* allocates a domain and adds it to the end */
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static cookie_domain *COOKIE_addDomain(LPCWSTR domain, LPCWSTR path)
{
cookie_domain *newDomain = HeapAlloc(GetProcessHeap(), 0, sizeof(cookie_domain));
list_init(&newDomain->entry);
list_init(&newDomain->cookie_list);
newDomain->lpCookieDomain = NULL;
newDomain->lpCookiePath = NULL;
if (domain)
{
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newDomain->lpCookieDomain = HeapAlloc(GetProcessHeap(), 0, (strlenW(domain) + 1)*sizeof(WCHAR));
strcpyW(newDomain->lpCookieDomain, domain);
}
if (path)
{
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newDomain->lpCookiePath = HeapAlloc(GetProcessHeap(), 0, (strlenW(path) + 1)*sizeof(WCHAR));
lstrcpyW(newDomain->lpCookiePath, path);
}
list_add_tail(&domain_list, &newDomain->entry);
TRACE("Adding domain: %p\n", newDomain);
return newDomain;
}
static void COOKIE_crackUrlSimple(LPCWSTR lpszUrl, LPWSTR hostName, int hostNameLen, LPWSTR path, int pathLen)
{
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URL_COMPONENTSW UrlComponents;
UrlComponents.lpszExtraInfo = NULL;
UrlComponents.lpszPassword = NULL;
UrlComponents.lpszScheme = NULL;
UrlComponents.lpszUrlPath = path;
UrlComponents.lpszUserName = NULL;
UrlComponents.lpszHostName = hostName;
UrlComponents.dwHostNameLength = hostNameLen;
UrlComponents.dwUrlPathLength = pathLen;
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InternetCrackUrlW(lpszUrl, 0, 0, &UrlComponents);
}
/* match a domain. domain must match if the domain is not NULL. path must match if the path is not NULL */
static BOOL COOKIE_matchDomain(LPCWSTR lpszCookieDomain, LPCWSTR lpszCookiePath,
cookie_domain *searchDomain, BOOL allow_partial)
{
TRACE("searching on domain %p\n", searchDomain);
if (lpszCookieDomain)
{
if (!searchDomain->lpCookieDomain)
return FALSE;
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TRACE("comparing domain %s with %s\n",
debugstr_w(lpszCookieDomain),
debugstr_w(searchDomain->lpCookieDomain));
if (allow_partial && !strstrW(lpszCookieDomain, searchDomain->lpCookieDomain))
return FALSE;
else if (!allow_partial && lstrcmpW(lpszCookieDomain, searchDomain->lpCookieDomain) != 0)
return FALSE;
}
if (lpszCookiePath)
{
TRACE("comparing paths: %s with %s\n", debugstr_w(lpszCookiePath), debugstr_w(searchDomain->lpCookiePath));
if (!searchDomain->lpCookiePath)
return FALSE;
if (strcmpW(lpszCookiePath, searchDomain->lpCookiePath))
return FALSE;
}
return TRUE;
}
/* remove a domain from the list and delete it */
static void COOKIE_deleteDomain(cookie_domain *deadDomain)
{
struct list * cursor;
while ((cursor = list_tail(&deadDomain->cookie_list)))
{
COOKIE_deleteCookie(LIST_ENTRY(cursor, cookie, entry), FALSE);
list_remove(cursor);
}
HeapFree(GetProcessHeap(), 0, deadDomain->lpCookieDomain);
HeapFree(GetProcessHeap(), 0, deadDomain->lpCookiePath);
list_remove(&deadDomain->entry);
HeapFree(GetProcessHeap(), 0, deadDomain);
}
/***********************************************************************
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* 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
*
*/
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BOOL WINAPI InternetGetCookieW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPWSTR lpCookieData, LPDWORD lpdwSize)
{
struct list * cursor;
int cnt = 0, domain_count = 0;
int cookie_count = 0;
WCHAR hostName[2048], path[2048];
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TRACE("(%s, %s, %p, %p)\n", debugstr_w(lpszUrl),debugstr_w(lpszCookieName),
lpCookieData, lpdwSize);
COOKIE_crackUrlSimple(lpszUrl, hostName, sizeof(hostName)/sizeof(hostName[0]), path, sizeof(path)/sizeof(path[0]));
LIST_FOR_EACH(cursor, &domain_list)
{
cookie_domain *cookiesDomain = LIST_ENTRY(cursor, cookie_domain, entry);
if (COOKIE_matchDomain(hostName, NULL /* FIXME: path */, cookiesDomain, TRUE))
{
struct list * cursor;
domain_count++;
TRACE("found domain %p\n", cookiesDomain);
LIST_FOR_EACH(cursor, &cookiesDomain->cookie_list)
{
cookie *thisCookie = LIST_ENTRY(cursor, cookie, entry);
if (lpCookieData == NULL) /* return the size of the buffer required to lpdwSize */
{
if (cookie_count != 0)
cnt += 2; /* '; ' */
cnt += strlenW(thisCookie->lpCookieName);
cnt += 1; /* = */
cnt += strlenW(thisCookie->lpCookieData);
}
else
{
static const WCHAR szsc[] = { ';',' ',0 };
static const WCHAR szpseq[] = { '%','s','=','%','s',0 };
if (cookie_count != 0)
cnt += snprintfW(lpCookieData + cnt, *lpdwSize - cnt, szsc);
cnt += snprintfW(lpCookieData + cnt, *lpdwSize - cnt, szpseq,
thisCookie->lpCookieName,
thisCookie->lpCookieData);
TRACE("Cookie: %s=%s\n", debugstr_w(thisCookie->lpCookieName), debugstr_w(thisCookie->lpCookieData));
}
cookie_count++;
}
}
}
if (lpCookieData == NULL)
{
cnt += 1; /* NULL */
*lpdwSize = cnt*sizeof(WCHAR);
TRACE("returning\n");
return TRUE;
}
if (!domain_count)
return FALSE;
*lpdwSize = (cnt + 1)*sizeof(WCHAR);
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TRACE("Returning %i (from %i domains): %s\n", cnt, domain_count,
debugstr_w(lpCookieData));
return (cnt ? TRUE : FALSE);
}
/***********************************************************************
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* InternetGetCookieA (WININET.@)
*
* Retrieve cookie from the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
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BOOL WINAPI InternetGetCookieA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPSTR lpCookieData, LPDWORD lpdwSize)
{
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DWORD len;
LPWSTR szCookieData = NULL, szUrl = NULL, szCookieName = NULL;
BOOL r;
TRACE("(%s,%s,%p)\n", debugstr_a(lpszUrl), debugstr_a(lpszCookieName),
lpCookieData);
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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 );
}
HeapFree( GetProcessHeap(), 0, szCookieData );
HeapFree( GetProcessHeap(), 0, szCookieName );
HeapFree( GetProcessHeap(), 0, szUrl );
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return r;
}
/***********************************************************************
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* InternetSetCookieW (WININET.@)
*
* Sets cookie for the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
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BOOL WINAPI InternetSetCookieW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPCWSTR lpCookieData)
{
cookie_domain *thisCookieDomain = NULL;
cookie *thisCookie;
WCHAR hostName[2048], path[2048];
struct list * cursor;
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TRACE("(%s,%s,%s)\n", debugstr_w(lpszUrl),
debugstr_w(lpszCookieName), debugstr_w(lpCookieData));
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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 */
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WCHAR *ourCookieName, *ourCookieData;
int ourCookieNameSize;
BOOL ret;
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if (!(ourCookieData = strchrW(lpCookieData, '=')))
{
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TRACE("something terribly wrong with cookie data %s\n",
debugstr_w(ourCookieData));
return FALSE;
}
ourCookieNameSize = ourCookieData - lpCookieData;
ourCookieData += 1;
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ourCookieName = HeapAlloc(GetProcessHeap(), 0,
(ourCookieNameSize + 1)*sizeof(WCHAR));
strncpyW(ourCookieName, ourCookieData, ourCookieNameSize);
ourCookieName[ourCookieNameSize] = '\0';
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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;
}
COOKIE_crackUrlSimple(lpszUrl, hostName, sizeof(hostName)/sizeof(hostName[0]), path, sizeof(path)/sizeof(path[0]));
LIST_FOR_EACH(cursor, &domain_list)
{
thisCookieDomain = LIST_ENTRY(cursor, cookie_domain, entry);
if (COOKIE_matchDomain(hostName, NULL /* FIXME: path */, thisCookieDomain, FALSE))
break;
thisCookieDomain = NULL;
}
if (!thisCookieDomain)
thisCookieDomain = COOKIE_addDomain(hostName, path);
if ((thisCookie = COOKIE_findCookie(thisCookieDomain, lpszCookieName)))
COOKIE_deleteCookie(thisCookie, FALSE);
thisCookie = COOKIE_addCookie(thisCookieDomain, lpszCookieName, lpCookieData);
return TRUE;
}
/***********************************************************************
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* InternetSetCookieA (WININET.@)
*
* Sets cookie for the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
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BOOL WINAPI InternetSetCookieA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPCSTR lpCookieData)
{
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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 );
HeapFree( GetProcessHeap(), 0, szCookieData );
HeapFree( GetProcessHeap(), 0, szCookieName );
HeapFree( GetProcessHeap(), 0, szUrl );
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return r;
}