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wine/dlls/wininet/cookie.c
Marcus Meissner c1c06a9093 wininet: Avoid memory leak in error exit (Coverity).
2015-04-10 15:21:19 +09:00

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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "ws2tcpip.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#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 could use A LOT OF MEMORY. We need some kind of memory management here!
*/
struct _cookie_domain_t;
struct _cookie_container_t;
typedef struct _cookie_t {
struct list entry;
struct _cookie_container_t *container;
WCHAR *name;
WCHAR *data;
DWORD flags;
FILETIME expiry;
FILETIME create;
} cookie_t;
typedef struct _cookie_container_t {
struct list entry;
WCHAR *path;
struct _cookie_domain_t *domain;
struct list cookie_list;
} cookie_container_t;
typedef struct _cookie_domain_t {
struct list entry;
WCHAR *domain;
unsigned subdomain_len;
struct _cookie_domain_t *parent;
struct list subdomain_list;
/* List of stored paths sorted by length of the path. */
struct list path_list;
} cookie_domain_t;
static CRITICAL_SECTION cookie_cs;
static CRITICAL_SECTION_DEBUG cookie_cs_debug =
{
0, 0, &cookie_cs,
{ &cookie_cs_debug.ProcessLocksList, &cookie_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": cookie_cs") }
};
static CRITICAL_SECTION cookie_cs = { &cookie_cs_debug, -1, 0, 0, 0, 0 };
static struct list domain_list = LIST_INIT(domain_list);
static cookie_domain_t *get_cookie_domain(const WCHAR *domain, BOOL create)
{
const WCHAR *ptr = domain + strlenW(domain), *ptr_end, *subdomain_ptr;
cookie_domain_t *iter, *current_domain, *prev_domain = NULL;
struct list *current_list = &domain_list;
while(1) {
for(ptr_end = ptr--; ptr > domain && *ptr != '.'; ptr--);
subdomain_ptr = *ptr == '.' ? ptr+1 : ptr;
current_domain = NULL;
LIST_FOR_EACH_ENTRY(iter, current_list, cookie_domain_t, entry) {
if(ptr_end-subdomain_ptr == iter->subdomain_len && !memcmp(subdomain_ptr, iter->domain, iter->subdomain_len)) {
current_domain = iter;
break;
}
}
if(!current_domain) {
if(!create)
return prev_domain;
current_domain = heap_alloc(sizeof(*current_domain));
if(!current_domain)
return NULL;
current_domain->domain = heap_strdupW(subdomain_ptr);
if(!current_domain->domain) {
heap_free(current_domain);
return NULL;
}
current_domain->subdomain_len = ptr_end-subdomain_ptr;
current_domain->parent = prev_domain;
list_init(&current_domain->path_list);
list_init(&current_domain->subdomain_list);
list_add_tail(current_list, &current_domain->entry);
}
if(ptr == domain)
return current_domain;
prev_domain = current_domain;
current_list = &current_domain->subdomain_list;
}
}
static cookie_container_t *get_cookie_container(const WCHAR *domain, const WCHAR *path, BOOL create)
{
cookie_domain_t *cookie_domain;
cookie_container_t *cookie_container, *iter;
size_t path_len, len;
cookie_domain = get_cookie_domain(domain, create);
if(!cookie_domain)
return NULL;
path_len = strlenW(path);
LIST_FOR_EACH_ENTRY(cookie_container, &cookie_domain->path_list, cookie_container_t, entry) {
len = strlenW(cookie_container->path);
if(len < path_len)
break;
if(!strcmpiW(cookie_container->path, path))
return cookie_container;
}
if(!create)
return NULL;
cookie_container = heap_alloc(sizeof(*cookie_container));
if(!cookie_container)
return NULL;
cookie_container->path = heap_strdupW(path);
if(!cookie_container->path) {
heap_free(cookie_container);
return NULL;
}
cookie_container->domain = cookie_domain;
list_init(&cookie_container->cookie_list);
LIST_FOR_EACH_ENTRY(iter, &cookie_domain->path_list, cookie_container_t, entry) {
if(strlenW(iter->path) <= path_len) {
list_add_before(&iter->entry, &cookie_container->entry);
return cookie_container;
}
}
list_add_tail(&cookie_domain->path_list, &cookie_container->entry);
return cookie_container;
}
static void delete_cookie(cookie_t *cookie)
{
list_remove(&cookie->entry);
heap_free(cookie->name);
heap_free(cookie->data);
heap_free(cookie);
}
static cookie_t *alloc_cookie(const WCHAR *name, const WCHAR *data, FILETIME expiry, FILETIME create_time, DWORD flags)
{
cookie_t *new_cookie;
new_cookie = heap_alloc(sizeof(*new_cookie));
if(!new_cookie)
return NULL;
new_cookie->expiry = expiry;
new_cookie->create = create_time;
new_cookie->flags = flags;
list_init(&new_cookie->entry);
new_cookie->name = heap_strdupW(name);
new_cookie->data = heap_strdupW(data);
if((name && !new_cookie->name) || (data && !new_cookie->data)) {
delete_cookie(new_cookie);
return NULL;
}
return new_cookie;
}
static cookie_t *find_cookie(cookie_container_t *container, const WCHAR *name)
{
cookie_t *iter;
LIST_FOR_EACH_ENTRY(iter, &container->cookie_list, cookie_t, entry) {
if(!strcmpiW(iter->name, name))
return iter;
}
return NULL;
}
static void add_cookie(cookie_container_t *container, cookie_t *new_cookie)
{
TRACE("Adding %s=%s to %s %s\n", debugstr_w(new_cookie->name), debugstr_w(new_cookie->data),
debugstr_w(container->domain->domain), debugstr_w(container->path));
list_add_tail(&container->cookie_list, &new_cookie->entry);
new_cookie->container = container;
}
static void replace_cookie(cookie_container_t *container, cookie_t *new_cookie)
{
cookie_t *old_cookie;
old_cookie = find_cookie(container, new_cookie->name);
if(old_cookie)
delete_cookie(old_cookie);
add_cookie(container, new_cookie);
}
static BOOL cookie_match_path(cookie_container_t *container, const WCHAR *path)
{
return !strncmpiW(container->path, path, strlenW(container->path));
}
static BOOL create_cookie_url(LPCWSTR domain, LPCWSTR path, WCHAR *buf, DWORD buf_len)
{
static const WCHAR cookie_prefix[] = {'C','o','o','k','i','e',':'};
WCHAR *p;
DWORD len;
if(buf_len < sizeof(cookie_prefix)/sizeof(WCHAR))
return FALSE;
memcpy(buf, cookie_prefix, sizeof(cookie_prefix));
buf += sizeof(cookie_prefix)/sizeof(WCHAR);
buf_len -= sizeof(cookie_prefix)/sizeof(WCHAR);
p = buf;
len = buf_len;
if(!GetUserNameW(buf, &len))
return FALSE;
buf += len-1;
buf_len -= len-1;
if(!buf_len)
return FALSE;
*(buf++) = '@';
buf_len--;
len = strlenW(domain);
if(len >= buf_len)
return FALSE;
memcpy(buf, domain, len*sizeof(WCHAR));
buf += len;
buf_len -= len;
len = strlenW(path);
if(len >= buf_len)
return FALSE;
memcpy(buf, path, len*sizeof(WCHAR));
buf += len;
*buf = 0;
for(; *p; p++)
*p = tolowerW(*p);
return TRUE;
}
static BOOL load_persistent_cookie(LPCWSTR domain, LPCWSTR path)
{
INTERNET_CACHE_ENTRY_INFOW *info;
cookie_container_t *cookie_container;
cookie_t *new_cookie;
WCHAR cookie_url[MAX_PATH];
HANDLE cookie;
char *str = NULL, *pbeg, *pend;
DWORD size, flags;
WCHAR *name, *data;
FILETIME expiry, create, time;
if (!create_cookie_url(domain, path, cookie_url, sizeof(cookie_url)/sizeof(cookie_url[0])))
return FALSE;
size = 0;
RetrieveUrlCacheEntryStreamW(cookie_url, NULL, &size, FALSE, 0);
if(GetLastError() != ERROR_INSUFFICIENT_BUFFER)
return TRUE;
info = heap_alloc(size);
if(!info)
return FALSE;
cookie = RetrieveUrlCacheEntryStreamW(cookie_url, info, &size, FALSE, 0);
size = info->dwSizeLow;
heap_free(info);
if(!cookie)
return FALSE;
if(!(str = heap_alloc(size+1)) || !ReadUrlCacheEntryStream(cookie, 0, str, &size, 0)) {
UnlockUrlCacheEntryStream(cookie, 0);
heap_free(str);
return FALSE;
}
str[size] = 0;
UnlockUrlCacheEntryStream(cookie, 0);
cookie_container = get_cookie_container(domain, path, TRUE);
if(!cookie_container) {
heap_free(str);
return FALSE;
}
GetSystemTimeAsFileTime(&time);
for(pbeg=str; pbeg && *pbeg; name=data=NULL) {
pend = strchr(pbeg, '\n');
if(!pend)
break;
*pend = 0;
name = heap_strdupAtoW(pbeg);
pbeg = pend+1;
pend = strchr(pbeg, '\n');
if(!pend)
break;
*pend = 0;
data = heap_strdupAtoW(pbeg);
pbeg = strchr(pend+1, '\n');
if(!pbeg)
break;
sscanf(pbeg, "%u %u %u %u %u", &flags, &expiry.dwLowDateTime, &expiry.dwHighDateTime,
&create.dwLowDateTime, &create.dwHighDateTime);
/* skip "*\n" */
pbeg = strchr(pbeg, '*');
if(pbeg) {
pbeg++;
if(*pbeg)
pbeg++;
}
if(!name || !data)
break;
if(CompareFileTime(&time, &expiry) <= 0) {
new_cookie = alloc_cookie(NULL, NULL, expiry, create, flags);
if(!new_cookie)
break;
new_cookie->name = name;
new_cookie->data = data;
replace_cookie(cookie_container, new_cookie);
}else {
heap_free(name);
heap_free(data);
}
}
heap_free(str);
heap_free(name);
heap_free(data);
return TRUE;
}
static BOOL save_persistent_cookie(cookie_container_t *container)
{
static const WCHAR txtW[] = {'t','x','t',0};
WCHAR cookie_url[MAX_PATH], cookie_file[MAX_PATH];
HANDLE cookie_handle;
cookie_t *cookie_container = NULL, *cookie_iter;
BOOL do_save = FALSE;
char buf[64], *dyn_buf;
FILETIME time;
DWORD bytes_written;
if (!create_cookie_url(container->domain->domain, container->path, cookie_url, sizeof(cookie_url)/sizeof(cookie_url[0])))
return FALSE;
/* check if there's anything to save */
GetSystemTimeAsFileTime(&time);
LIST_FOR_EACH_ENTRY_SAFE(cookie_container, cookie_iter, &container->cookie_list, cookie_t, entry)
{
if((cookie_container->expiry.dwLowDateTime || cookie_container->expiry.dwHighDateTime)
&& CompareFileTime(&time, &cookie_container->expiry) > 0) {
delete_cookie(cookie_container);
continue;
}
if(!(cookie_container->flags & INTERNET_COOKIE_IS_SESSION)) {
do_save = TRUE;
break;
}
}
if(!do_save) {
DeleteUrlCacheEntryW(cookie_url);
return TRUE;
}
if(!CreateUrlCacheEntryW(cookie_url, 0, txtW, cookie_file, 0))
return FALSE;
cookie_handle = CreateFileW(cookie_file, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if(cookie_handle == INVALID_HANDLE_VALUE) {
DeleteFileW(cookie_file);
return FALSE;
}
LIST_FOR_EACH_ENTRY(cookie_container, &container->cookie_list, cookie_t, entry)
{
if(cookie_container->flags & INTERNET_COOKIE_IS_SESSION)
continue;
dyn_buf = heap_strdupWtoA(cookie_container->name);
if(!dyn_buf || !WriteFile(cookie_handle, dyn_buf, strlen(dyn_buf), &bytes_written, NULL)) {
heap_free(dyn_buf);
do_save = FALSE;
break;
}
heap_free(dyn_buf);
if(!WriteFile(cookie_handle, "\n", 1, &bytes_written, NULL)) {
do_save = FALSE;
break;
}
dyn_buf = heap_strdupWtoA(cookie_container->data);
if(!dyn_buf || !WriteFile(cookie_handle, dyn_buf, strlen(dyn_buf), &bytes_written, NULL)) {
heap_free(dyn_buf);
do_save = FALSE;
break;
}
heap_free(dyn_buf);
if(!WriteFile(cookie_handle, "\n", 1, &bytes_written, NULL)) {
do_save = FALSE;
break;
}
dyn_buf = heap_strdupWtoA(container->domain->domain);
if(!dyn_buf || !WriteFile(cookie_handle, dyn_buf, strlen(dyn_buf), &bytes_written, NULL)) {
heap_free(dyn_buf);
do_save = FALSE;
break;
}
heap_free(dyn_buf);
dyn_buf = heap_strdupWtoA(container->path);
if(!dyn_buf || !WriteFile(cookie_handle, dyn_buf, strlen(dyn_buf), &bytes_written, NULL)) {
heap_free(dyn_buf);
do_save = FALSE;
break;
}
heap_free(dyn_buf);
sprintf(buf, "\n%u\n%u\n%u\n%u\n%u\n*\n", cookie_container->flags,
cookie_container->expiry.dwLowDateTime, cookie_container->expiry.dwHighDateTime,
cookie_container->create.dwLowDateTime, cookie_container->create.dwHighDateTime);
if(!WriteFile(cookie_handle, buf, strlen(buf), &bytes_written, NULL)) {
do_save = FALSE;
break;
}
}
CloseHandle(cookie_handle);
if(!do_save) {
ERR("error saving cookie file\n");
DeleteFileW(cookie_file);
return FALSE;
}
memset(&time, 0, sizeof(time));
return CommitUrlCacheEntryW(cookie_url, cookie_file, time, time, 0, NULL, 0, txtW, 0);
}
static BOOL COOKIE_crackUrlSimple(LPCWSTR lpszUrl, LPWSTR hostName, int hostNameLen, LPWSTR path, int pathLen)
{
URL_COMPONENTSW UrlComponents;
UrlComponents.lpszExtraInfo = NULL;
UrlComponents.lpszPassword = NULL;
UrlComponents.lpszScheme = NULL;
UrlComponents.lpszUrlPath = path;
UrlComponents.lpszUserName = NULL;
UrlComponents.lpszHostName = hostName;
UrlComponents.dwExtraInfoLength = 0;
UrlComponents.dwPasswordLength = 0;
UrlComponents.dwSchemeLength = 0;
UrlComponents.dwUserNameLength = 0;
UrlComponents.dwHostNameLength = hostNameLen;
UrlComponents.dwUrlPathLength = pathLen;
if (!InternetCrackUrlW(lpszUrl, 0, 0, &UrlComponents)) return FALSE;
/* discard the webpage off the end of the path */
if (UrlComponents.dwUrlPathLength)
{
if (path[UrlComponents.dwUrlPathLength - 1] != '/')
{
WCHAR *ptr;
if ((ptr = strrchrW(path, '/'))) *(++ptr) = 0;
else
{
path[0] = '/';
path[1] = 0;
}
}
}
else if (pathLen >= 2)
{
path[0] = '/';
path[1] = 0;
}
return TRUE;
}
typedef struct {
cookie_t **cookies;
unsigned cnt;
unsigned size;
unsigned string_len;
} cookie_set_t;
static DWORD get_cookie(const WCHAR *host, const WCHAR *path, DWORD flags, cookie_set_t *res)
{
static const WCHAR empty_path[] = { '/',0 };
WCHAR *ptr, subpath[INTERNET_MAX_PATH_LENGTH];
const WCHAR *p;
cookie_domain_t *domain;
cookie_container_t *container;
unsigned len;
FILETIME tm;
GetSystemTimeAsFileTime(&tm);
len = strlenW(host);
p = host+len;
while(p>host && p[-1]!='.') p--;
while(p != host) {
p--;
while(p>host && p[-1]!='.') p--;
if(p == host) break;
load_persistent_cookie(p, empty_path);
}
len = strlenW(path);
assert(len+1 < INTERNET_MAX_PATH_LENGTH);
memcpy(subpath, path, (len+1)*sizeof(WCHAR));
ptr = subpath+len;
do {
*ptr = 0;
load_persistent_cookie(host, subpath);
ptr--;
while(ptr>subpath && ptr[-1]!='/') ptr--;
}while(ptr != subpath);
domain = get_cookie_domain(host, FALSE);
if(!domain) {
TRACE("Unknown host %s\n", debugstr_w(host));
return ERROR_NO_MORE_ITEMS;
}
for(domain = get_cookie_domain(host, FALSE); domain; domain = domain->parent) {
TRACE("Trying %s domain...\n", debugstr_w(domain->domain));
LIST_FOR_EACH_ENTRY(container, &domain->path_list, cookie_container_t, entry) {
struct list *cursor, *cursor2;
TRACE("path %s\n", debugstr_w(container->path));
if(!cookie_match_path(container, path))
continue;
TRACE("found domain %p\n", domain->domain);
LIST_FOR_EACH_SAFE(cursor, cursor2, &container->cookie_list) {
cookie_t *cookie_iter = LIST_ENTRY(cursor, cookie_t, entry);
/* check for expiry */
if((cookie_iter->expiry.dwLowDateTime != 0 || cookie_iter->expiry.dwHighDateTime != 0)
&& CompareFileTime(&tm, &cookie_iter->expiry) > 0) {
TRACE("Found expired cookie. deleting\n");
delete_cookie(cookie_iter);
continue;
}
if((cookie_iter->flags & INTERNET_COOKIE_HTTPONLY) && !(flags & INTERNET_COOKIE_HTTPONLY))
continue;
if(!res->size) {
res->cookies = heap_alloc(4*sizeof(*res->cookies));
if(!res->cookies)
continue;
res->size = 4;
}else if(res->cnt == res->size) {
cookie_t **new_cookies = heap_realloc(res->cookies, res->size*2*sizeof(*res->cookies));
if(!new_cookies)
continue;
res->cookies = new_cookies;
res->size *= 2;
}
if(res->cnt)
res->string_len += 2; /* '; ' */
res->cookies[res->cnt++] = cookie_iter;
res->string_len += strlenW(cookie_iter->name);
if(*cookie_iter->data)
res->string_len += 1 /* = */ + strlenW(cookie_iter->data);
}
}
}
return ERROR_SUCCESS;
}
static void cookie_set_to_string(const cookie_set_t *cookie_set, WCHAR *str)
{
WCHAR *ptr = str;
unsigned i, len;
for(i=0; i<cookie_set->cnt; i++) {
if(i) {
*ptr++ = ';';
*ptr++ = ' ';
}
len = strlenW(cookie_set->cookies[i]->name);
memcpy(ptr, cookie_set->cookies[i]->name, len*sizeof(WCHAR));
ptr += len;
if(*cookie_set->cookies[i]->data) {
*ptr++ = '=';
len = strlenW(cookie_set->cookies[i]->data);
memcpy(ptr, cookie_set->cookies[i]->data, len*sizeof(WCHAR));
ptr += len;
}
}
assert(ptr-str == cookie_set->string_len);
TRACE("%s\n", debugstr_wn(str, ptr-str));
}
DWORD get_cookie_header(const WCHAR *host, const WCHAR *path, WCHAR **ret)
{
cookie_set_t cookie_set = {0};
DWORD res;
static const WCHAR cookieW[] = {'C','o','o','k','i','e',':',' '};
EnterCriticalSection(&cookie_cs);
res = get_cookie(host, path, INTERNET_COOKIE_HTTPONLY, &cookie_set);
if(res != ERROR_SUCCESS) {
LeaveCriticalSection(&cookie_cs);
return res;
}
if(cookie_set.cnt) {
WCHAR *header, *ptr;
ptr = header = heap_alloc(sizeof(cookieW) + (cookie_set.string_len + 3 /* crlf0 */) * sizeof(WCHAR));
if(header) {
memcpy(ptr, cookieW, sizeof(cookieW));
ptr += sizeof(cookieW)/sizeof(*cookieW);
cookie_set_to_string(&cookie_set, ptr);
heap_free(cookie_set.cookies);
ptr += cookie_set.string_len;
*ptr++ = '\r';
*ptr++ = '\n';
*ptr++ = 0;
*ret = header;
}else {
res = ERROR_NOT_ENOUGH_MEMORY;
}
}else {
*ret = NULL;
}
LeaveCriticalSection(&cookie_cs);
return ERROR_SUCCESS;
}
/***********************************************************************
* InternetGetCookieExW (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 InternetGetCookieExW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPWSTR lpCookieData, LPDWORD lpdwSize, DWORD flags, void *reserved)
{
WCHAR host[INTERNET_MAX_HOST_NAME_LENGTH], path[INTERNET_MAX_PATH_LENGTH];
cookie_set_t cookie_set = {0};
DWORD res;
BOOL ret;
TRACE("(%s, %s, %p, %p, %x, %p)\n", debugstr_w(lpszUrl),debugstr_w(lpszCookieName), lpCookieData, lpdwSize, flags, reserved);
if (flags)
FIXME("flags 0x%08x not supported\n", flags);
if (!lpszUrl)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
host[0] = 0;
ret = COOKIE_crackUrlSimple(lpszUrl, host, sizeof(host)/sizeof(host[0]), path, sizeof(path)/sizeof(path[0]));
if (!ret || !host[0]) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
EnterCriticalSection(&cookie_cs);
res = get_cookie(host, path, flags, &cookie_set);
if(res != ERROR_SUCCESS) {
LeaveCriticalSection(&cookie_cs);
SetLastError(res);
return FALSE;
}
if(cookie_set.cnt) {
if(!lpCookieData || cookie_set.string_len+1 > *lpdwSize) {
*lpdwSize = (cookie_set.string_len + 1) * sizeof(WCHAR);
TRACE("returning %u\n", *lpdwSize);
if(lpCookieData) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
ret = FALSE;
}
}else {
*lpdwSize = cookie_set.string_len + 1;
cookie_set_to_string(&cookie_set, lpCookieData);
lpCookieData[cookie_set.string_len] = 0;
}
}else {
TRACE("no cookies found for %s\n", debugstr_w(host));
SetLastError(ERROR_NO_MORE_ITEMS);
ret = FALSE;
}
heap_free(cookie_set.cookies);
LeaveCriticalSection(&cookie_cs);
return ret;
}
/***********************************************************************
* InternetGetCookieW (WININET.@)
*
* Retrieve cookie for the specified URL.
*/
BOOL WINAPI InternetGetCookieW(const WCHAR *url, const WCHAR *name, WCHAR *data, DWORD *size)
{
TRACE("(%s, %s, %s, %p)\n", debugstr_w(url), debugstr_w(name), debugstr_w(data), size);
return InternetGetCookieExW(url, name, data, size, 0, NULL);
}
/***********************************************************************
* InternetGetCookieExA (WININET.@)
*
* Retrieve cookie from the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetGetCookieExA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPSTR lpCookieData, LPDWORD lpdwSize, DWORD flags, void *reserved)
{
WCHAR *url, *name;
DWORD len, size;
BOOL r;
TRACE("(%s %s %p %p(%u) %x %p)\n", debugstr_a(lpszUrl), debugstr_a(lpszCookieName),
lpCookieData, lpdwSize, lpdwSize ? *lpdwSize : 0, flags, reserved);
url = heap_strdupAtoW(lpszUrl);
name = heap_strdupAtoW(lpszCookieName);
r = InternetGetCookieExW( url, name, NULL, &len, flags, reserved );
if( r )
{
WCHAR *szCookieData;
szCookieData = heap_alloc(len * sizeof(WCHAR));
if( !szCookieData )
{
r = FALSE;
}
else
{
r = InternetGetCookieExW( url, name, szCookieData, &len, flags, reserved );
if(r) {
size = WideCharToMultiByte( CP_ACP, 0, szCookieData, len, NULL, 0, NULL, NULL);
if(lpCookieData) {
if(*lpdwSize >= size) {
WideCharToMultiByte( CP_ACP, 0, szCookieData, len, lpCookieData, *lpdwSize, NULL, NULL);
}else {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
r = FALSE;
}
}
*lpdwSize = size;
}
heap_free( szCookieData );
}
}
heap_free( name );
heap_free( url );
return r;
}
/***********************************************************************
* InternetGetCookieA (WININET.@)
*
* See InternetGetCookieW.
*/
BOOL WINAPI InternetGetCookieA(const char *url, const char *name, char *data, DWORD *size)
{
TRACE("(%s, %s, %s, %p)\n", debugstr_a(url), debugstr_a(name), debugstr_a(data), size);
return InternetGetCookieExA(url, name, data, size, 0, NULL);
}
/***********************************************************************
* IsDomainLegalCookieDomainW (WININET.@)
*/
BOOL WINAPI IsDomainLegalCookieDomainW( LPCWSTR s1, LPCWSTR s2 )
{
DWORD s1_len, s2_len;
FIXME("(%s, %s) semi-stub\n", debugstr_w(s1), debugstr_w(s2));
if (!s1 || !s2)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (s1[0] == '.' || !s1[0] || s2[0] == '.' || !s2[0])
{
SetLastError(ERROR_INVALID_NAME);
return FALSE;
}
if(!strchrW(s1, '.') || !strchrW(s2, '.'))
return FALSE;
s1_len = strlenW(s1);
s2_len = strlenW(s2);
if (s1_len > s2_len)
return FALSE;
if (strncmpiW(s1, s2+s2_len-s1_len, s1_len) || (s2_len>s1_len && s2[s2_len-s1_len-1]!='.'))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
return TRUE;
}
DWORD set_cookie(const WCHAR *domain, const WCHAR *path, const WCHAR *cookie_name, const WCHAR *cookie_data, DWORD flags)
{
cookie_container_t *container;
cookie_t *thisCookie;
LPWSTR data, value;
WCHAR *ptr;
FILETIME expiry, create;
BOOL expired = FALSE, update_persistent = FALSE;
DWORD cookie_flags = 0;
TRACE("%s %s %s=%s %x\n", debugstr_w(domain), debugstr_w(path), debugstr_w(cookie_name), debugstr_w(cookie_data), flags);
value = data = heap_strdupW(cookie_data);
if (!data)
{
ERR("could not allocate the cookie data buffer\n");
return COOKIE_STATE_UNKNOWN;
}
memset(&expiry,0,sizeof(expiry));
GetSystemTimeAsFileTime(&create);
/* lots of information can be parsed out of the cookie value */
ptr = data;
for (;;)
{
static const WCHAR szDomain[] = {'d','o','m','a','i','n','=',0};
static const WCHAR szPath[] = {'p','a','t','h','=',0};
static const WCHAR szExpires[] = {'e','x','p','i','r','e','s','=',0};
static const WCHAR szSecure[] = {'s','e','c','u','r','e',0};
static const WCHAR szHttpOnly[] = {'h','t','t','p','o','n','l','y',0};
static const WCHAR szVersion[] = {'v','e','r','s','i','o','n','=',0};
if (!(ptr = strchrW(ptr,';'))) break;
*ptr++ = 0;
if (value != data) heap_free(value);
value = heap_alloc((ptr - data) * sizeof(WCHAR));
if (value == NULL)
{
heap_free(data);
ERR("could not allocate the cookie value buffer\n");
return COOKIE_STATE_UNKNOWN;
}
strcpyW(value, data);
while (*ptr == ' ') ptr++; /* whitespace */
if (strncmpiW(ptr, szDomain, 7) == 0)
{
WCHAR *end_ptr;
ptr += sizeof(szDomain)/sizeof(szDomain[0])-1;
if(*ptr == '.')
ptr++;
end_ptr = strchrW(ptr, ';');
if(end_ptr)
*end_ptr = 0;
if(!IsDomainLegalCookieDomainW(ptr, domain))
{
if(value != data)
heap_free(value);
heap_free(data);
return COOKIE_STATE_UNKNOWN;
}
if(end_ptr)
*end_ptr = ';';
domain = ptr;
TRACE("Parsing new domain %s\n",debugstr_w(domain));
}
else if (strncmpiW(ptr, szPath, 5) == 0)
{
ptr+=strlenW(szPath);
path = ptr;
TRACE("Parsing new path %s\n",debugstr_w(path));
}
else if (strncmpiW(ptr, szExpires, 8) == 0)
{
SYSTEMTIME st;
ptr+=strlenW(szExpires);
if (InternetTimeToSystemTimeW(ptr, &st, 0))
{
SystemTimeToFileTime(&st, &expiry);
if (CompareFileTime(&create,&expiry) > 0)
{
TRACE("Cookie already expired.\n");
expired = TRUE;
}
}
}
else if (strncmpiW(ptr, szSecure, 6) == 0)
{
FIXME("secure not handled (%s)\n",debugstr_w(ptr));
ptr += strlenW(szSecure);
}
else if (strncmpiW(ptr, szHttpOnly, 8) == 0)
{
if(!(flags & INTERNET_COOKIE_HTTPONLY)) {
WARN("HTTP only cookie added without INTERNET_COOKIE_HTTPONLY flag\n");
heap_free(data);
if (value != data) heap_free(value);
SetLastError(ERROR_INVALID_OPERATION);
return COOKIE_STATE_REJECT;
}
cookie_flags |= INTERNET_COOKIE_HTTPONLY;
ptr += strlenW(szHttpOnly);
}
else if (strncmpiW(ptr, szVersion, 8) == 0)
{
FIXME("version not handled (%s)\n",debugstr_w(ptr));
ptr += strlenW(szVersion);
}
else if (*ptr)
{
FIXME("Unknown additional option %s\n",debugstr_w(ptr));
break;
}
}
EnterCriticalSection(&cookie_cs);
load_persistent_cookie(domain, path);
container = get_cookie_container(domain, path, !expired);
if(!container) {
heap_free(data);
if (value != data) heap_free(value);
LeaveCriticalSection(&cookie_cs);
return COOKIE_STATE_ACCEPT;
}
if(!expiry.dwLowDateTime && !expiry.dwHighDateTime)
cookie_flags |= INTERNET_COOKIE_IS_SESSION;
else
update_persistent = TRUE;
if ((thisCookie = find_cookie(container, cookie_name)))
{
if ((thisCookie->flags & INTERNET_COOKIE_HTTPONLY) && !(flags & INTERNET_COOKIE_HTTPONLY)) {
WARN("An attempt to override httponly cookie\n");
SetLastError(ERROR_INVALID_OPERATION);
heap_free(data);
if (value != data) heap_free(value);
return COOKIE_STATE_REJECT;
}
if (!(thisCookie->flags & INTERNET_COOKIE_IS_SESSION))
update_persistent = TRUE;
delete_cookie(thisCookie);
}
TRACE("setting cookie %s=%s for domain %s path %s\n", debugstr_w(cookie_name),
debugstr_w(value), debugstr_w(container->domain->domain),debugstr_w(container->path));
if (!expired) {
cookie_t *new_cookie;
new_cookie = alloc_cookie(cookie_name, value, expiry, create, cookie_flags);
if(!new_cookie) {
heap_free(data);
if (value != data) heap_free(value);
LeaveCriticalSection(&cookie_cs);
return COOKIE_STATE_UNKNOWN;
}
add_cookie(container, new_cookie);
}
heap_free(data);
if (value != data) heap_free(value);
if (!update_persistent || save_persistent_cookie(container))
{
LeaveCriticalSection(&cookie_cs);
return COOKIE_STATE_ACCEPT;
}
LeaveCriticalSection(&cookie_cs);
return COOKIE_STATE_UNKNOWN;
}
/***********************************************************************
* InternetSetCookieExW (WININET.@)
*
* Sets cookie for the specified url
*/
DWORD WINAPI InternetSetCookieExW(LPCWSTR lpszUrl, LPCWSTR lpszCookieName,
LPCWSTR lpCookieData, DWORD flags, DWORD_PTR reserved)
{
BOOL ret;
WCHAR hostName[INTERNET_MAX_HOST_NAME_LENGTH], path[INTERNET_MAX_PATH_LENGTH];
TRACE("(%s, %s, %s, %x, %lx)\n", debugstr_w(lpszUrl), debugstr_w(lpszCookieName),
debugstr_w(lpCookieData), flags, reserved);
if (flags & ~INTERNET_COOKIE_HTTPONLY)
FIXME("flags %x not supported\n", flags);
if (!lpszUrl || !lpCookieData)
{
SetLastError(ERROR_INVALID_PARAMETER);
return COOKIE_STATE_UNKNOWN;
}
hostName[0] = 0;
ret = COOKIE_crackUrlSimple(lpszUrl, hostName, sizeof(hostName)/sizeof(hostName[0]), path, sizeof(path)/sizeof(path[0]));
if (!ret || !hostName[0]) return COOKIE_STATE_UNKNOWN;
if (!lpszCookieName)
{
WCHAR *cookie, *data;
DWORD res;
cookie = heap_strdupW(lpCookieData);
if (!cookie)
{
SetLastError(ERROR_OUTOFMEMORY);
return COOKIE_STATE_UNKNOWN;
}
/* 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].
*/
if (!(data = strchrW(cookie, '='))) data = cookie + strlenW(cookie);
else *data++ = 0;
res = set_cookie(hostName, path, cookie, data, flags);
heap_free(cookie);
return res;
}
return set_cookie(hostName, path, lpszCookieName, lpCookieData, flags);
}
/***********************************************************************
* InternetSetCookieW (WININET.@)
*
* Sets a cookie for the specified URL.
*/
BOOL WINAPI InternetSetCookieW(const WCHAR *url, const WCHAR *name, const WCHAR *data)
{
TRACE("(%s, %s, %s)\n", debugstr_w(url), debugstr_w(name), debugstr_w(data));
return InternetSetCookieExW(url, name, data, 0, 0) == COOKIE_STATE_ACCEPT;
}
/***********************************************************************
* InternetSetCookieA (WININET.@)
*
* Sets cookie for the specified url
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetSetCookieA(LPCSTR lpszUrl, LPCSTR lpszCookieName,
LPCSTR lpCookieData)
{
LPWSTR data, url, name;
BOOL r;
TRACE("(%s,%s,%s)\n", debugstr_a(lpszUrl),
debugstr_a(lpszCookieName), debugstr_a(lpCookieData));
url = heap_strdupAtoW(lpszUrl);
name = heap_strdupAtoW(lpszCookieName);
data = heap_strdupAtoW(lpCookieData);
r = InternetSetCookieW( url, name, data );
heap_free( data );
heap_free( name );
heap_free( url );
return r;
}
/***********************************************************************
* InternetSetCookieExA (WININET.@)
*
* See InternetSetCookieExW.
*/
DWORD WINAPI InternetSetCookieExA( LPCSTR lpszURL, LPCSTR lpszCookieName, LPCSTR lpszCookieData,
DWORD dwFlags, DWORD_PTR dwReserved)
{
WCHAR *data, *url, *name;
DWORD r;
TRACE("(%s, %s, %s, %x, %lx)\n", debugstr_a(lpszURL), debugstr_a(lpszCookieName),
debugstr_a(lpszCookieData), dwFlags, dwReserved);
url = heap_strdupAtoW(lpszURL);
name = heap_strdupAtoW(lpszCookieName);
data = heap_strdupAtoW(lpszCookieData);
r = InternetSetCookieExW(url, name, data, dwFlags, dwReserved);
heap_free( data );
heap_free( name );
heap_free( url );
return r;
}
/***********************************************************************
* InternetClearAllPerSiteCookieDecisions (WININET.@)
*
* Clears all per-site decisions about cookies.
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetClearAllPerSiteCookieDecisions( VOID )
{
FIXME("stub\n");
return TRUE;
}
/***********************************************************************
* InternetEnumPerSiteCookieDecisionA (WININET.@)
*
* See InternetEnumPerSiteCookieDecisionW.
*/
BOOL WINAPI InternetEnumPerSiteCookieDecisionA( LPSTR pszSiteName, ULONG *pcSiteNameSize,
ULONG *pdwDecision, ULONG dwIndex )
{
FIXME("(%s, %p, %p, 0x%08x) stub\n",
debugstr_a(pszSiteName), pcSiteNameSize, pdwDecision, dwIndex);
return FALSE;
}
/***********************************************************************
* InternetEnumPerSiteCookieDecisionW (WININET.@)
*
* Enumerates all per-site decisions about cookies.
*
* RETURNS
* TRUE on success
* FALSE on failure
*
*/
BOOL WINAPI InternetEnumPerSiteCookieDecisionW( LPWSTR pszSiteName, ULONG *pcSiteNameSize,
ULONG *pdwDecision, ULONG dwIndex )
{
FIXME("(%s, %p, %p, 0x%08x) stub\n",
debugstr_w(pszSiteName), pcSiteNameSize, pdwDecision, dwIndex);
return FALSE;
}
/***********************************************************************
* InternetGetPerSiteCookieDecisionA (WININET.@)
*/
BOOL WINAPI InternetGetPerSiteCookieDecisionA( LPCSTR pwchHostName, ULONG *pResult )
{
FIXME("(%s, %p) stub\n", debugstr_a(pwchHostName), pResult);
return FALSE;
}
/***********************************************************************
* InternetGetPerSiteCookieDecisionW (WININET.@)
*/
BOOL WINAPI InternetGetPerSiteCookieDecisionW( LPCWSTR pwchHostName, ULONG *pResult )
{
FIXME("(%s, %p) stub\n", debugstr_w(pwchHostName), pResult);
return FALSE;
}
/***********************************************************************
* InternetSetPerSiteCookieDecisionA (WININET.@)
*/
BOOL WINAPI InternetSetPerSiteCookieDecisionA( LPCSTR pchHostName, DWORD dwDecision )
{
FIXME("(%s, 0x%08x) stub\n", debugstr_a(pchHostName), dwDecision);
return FALSE;
}
/***********************************************************************
* InternetSetPerSiteCookieDecisionW (WININET.@)
*/
BOOL WINAPI InternetSetPerSiteCookieDecisionW( LPCWSTR pchHostName, DWORD dwDecision )
{
FIXME("(%s, 0x%08x) stub\n", debugstr_w(pchHostName), dwDecision);
return FALSE;
}
void free_cookie(void)
{
DeleteCriticalSection(&cookie_cs);
}
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