dlls/wininet/utility.c

   1 /*
   2  * Wininet - Utility functions
   3  *
   4  * Copyright 1999 Corel Corporation
   5  * Copyright 2002 CodeWeavers Inc.
   6  *
   7  * Ulrich Czekalla
   8  * Aric Stewart
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <stdarg.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <time.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wininet.h"
  36 #include "winnls.h"
  37
  38 #include "wine/debug.h"
  39 #include "internet.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  42
  43 #define TIME_STRING_LEN  30
  44
  45 time_t ConvertTimeString(LPCWSTR asctime)
  46 {
  47     WCHAR tmpChar[TIME_STRING_LEN];
  48     WCHAR *tmpChar2;
  49     struct tm t;
  50     int timelen = strlenW(asctime);
  51
  52     if(!timelen)
  53         return 0;
  54
  55     /* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
  56     memset( tmpChar, 0, sizeof(tmpChar) );
  57     lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);
  58
  59     /* Assert that the string is the expected length */
  60     if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");
  61
  62     /* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
  63      * We assume the time is in this format
  64      * and divide it into easy to swallow chunks
  65      */
  66     tmpChar[3]='\0';
  67     tmpChar[7]='\0';
  68     tmpChar[11]='\0';
  69     tmpChar[16]='\0';
  70     tmpChar[19]='\0';
  71     tmpChar[22]='\0';
  72     tmpChar[25]='\0';
  73
  74     t.tm_year = atoiW(tmpChar+12) - 1900;
  75     t.tm_mday = atoiW(tmpChar+5);
  76     t.tm_hour = atoiW(tmpChar+17);
  77     t.tm_min = atoiW(tmpChar+20);
  78     t.tm_sec = atoiW(tmpChar+23);
  79
  80     /* and month */
  81     tmpChar2 = tmpChar + 8;
  82     switch(tmpChar2[2])
  83     {
  84         case 'n':
  85             if(tmpChar2[1]=='a')
  86                 t.tm_mon = 0;
  87             else
  88                 t.tm_mon = 5;
  89             break;
  90         case 'b':
  91             t.tm_mon = 1;
  92             break;
  93         case 'r':
  94             if(tmpChar2[1]=='a')
  95                 t.tm_mon = 2;
  96             else
  97                 t.tm_mon = 3;
  98             break;
  99         case 'y':
 100             t.tm_mon = 4;
 101             break;
 102         case 'l':
 103             t.tm_mon = 6;
 104             break;
 105         case 'g':
 106             t.tm_mon = 7;
 107             break;
 108         case 'p':
 109             t.tm_mon = 8;
 110             break;
 111         case 't':
 112             t.tm_mon = 9;
 113             break;
 114         case 'v':
 115             t.tm_mon = 10;
 116             break;
 117         case 'c':
 118             t.tm_mon = 11;
 119             break;
 120         default:
 121             FIXME("\n");
 122     }
 123
 124     return mktime(&t);
 125 }
 126
 127
 128 BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
 129         struct sockaddr_in *psa)
 130 {
 131     WCHAR *found;
 132     char *name;
 133     int len, sz;
 134     struct hostent *phe;
 135
 136     TRACE("%s\n", debugstr_w(lpszServerName));
 137
 138     /* Validate server name first
 139      * Check if there is sth. like
 140      * pinger.macromedia.com:80
 141      * if yes, eliminate the :80....
 142      */
 143     found = strchrW(lpszServerName, ':');
 144     if (found)
 145         len = found - lpszServerName;
 146     else
 147         len = strlenW(lpszServerName);
 148
 149     sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
 150     name = HeapAlloc(GetProcessHeap(), 0, sz+1);
 151     WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
 152     name[sz] = 0;
 153     phe = gethostbyname(name);
 154     HeapFree( GetProcessHeap(), 0, name );
 155
 156     if (NULL == phe)
 157     {
 158         TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
 159         return FALSE;
 160     }
 161
 162     memset(psa,0,sizeof(struct sockaddr_in));
 163     memcpy((char *)&psa->sin_addr, phe->h_addr, phe->h_length);
 164     psa->sin_family = phe->h_addrtype;
 165     psa->sin_port = htons((u_short)nServerPort);
 166
 167     return TRUE;
 168 }
 169
 170 /*
 171  * Helper function for sending async Callbacks
 172  */
 173
 174 static const char *get_callback_name(DWORD dwInternetStatus) {
 175     static const wininet_flag_info internet_status[] = {
 176 #define FE(x) { x, #x }
 177         FE(INTERNET_STATUS_RESOLVING_NAME),
 178         FE(INTERNET_STATUS_NAME_RESOLVED),
 179         FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
 180         FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
 181         FE(INTERNET_STATUS_SENDING_REQUEST),
 182         FE(INTERNET_STATUS_REQUEST_SENT),
 183         FE(INTERNET_STATUS_RECEIVING_RESPONSE),
 184         FE(INTERNET_STATUS_RESPONSE_RECEIVED),
 185         FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
 186         FE(INTERNET_STATUS_PREFETCH),
 187         FE(INTERNET_STATUS_CLOSING_CONNECTION),
 188         FE(INTERNET_STATUS_CONNECTION_CLOSED),
 189         FE(INTERNET_STATUS_HANDLE_CREATED),
 190         FE(INTERNET_STATUS_HANDLE_CLOSING),
 191         FE(INTERNET_STATUS_REQUEST_COMPLETE),
 192         FE(INTERNET_STATUS_REDIRECT),
 193         FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
 194         FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
 195         FE(INTERNET_STATUS_STATE_CHANGE),
 196         FE(INTERNET_STATUS_COOKIE_SENT),
 197         FE(INTERNET_STATUS_COOKIE_RECEIVED),
 198         FE(INTERNET_STATUS_PRIVACY_IMPACTED),
 199         FE(INTERNET_STATUS_P3P_HEADER),
 200         FE(INTERNET_STATUS_P3P_POLICYREF),
 201         FE(INTERNET_STATUS_COOKIE_HISTORY)
 202 #undef FE
 203     };
 204     DWORD i;
 205
 206     for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
 207         if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
 208     }
 209     return "Unknown";
 210 }
 211
 212 VOID INTERNET_SendCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 213                            DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 214                            DWORD dwStatusInfoLength)
 215 {
 216     LPVOID lpvNewInfo = NULL;
 217
 218     if( !hdr->lpfnStatusCB )
 219         return;
 220
 221     /* the IE5 version of wininet does not
 222        send callbacks if dwContext is zero */
 223     if( !dwContext )
 224         return;
 225
 226     lpvNewInfo = lpvStatusInfo;
 227     if(hdr->dwInternalFlags & INET_CALLBACKW) {
 228         switch(dwInternetStatus) {
 229         case INTERNET_STATUS_NAME_RESOLVED:
 230         case INTERNET_STATUS_CONNECTING_TO_SERVER:
 231         case INTERNET_STATUS_CONNECTED_TO_SERVER:
 232             lpvNewInfo = WININET_strdup_AtoW(lpvStatusInfo);
 233             break;
 234         case INTERNET_STATUS_RESOLVING_NAME:
 235         case INTERNET_STATUS_REDIRECT:
 236             lpvNewInfo = WININET_strdupW(lpvStatusInfo);
 237             break;
 238         }
 239     }else {
 240         switch(dwInternetStatus)
 241         {
 242         case INTERNET_STATUS_NAME_RESOLVED:
 243         case INTERNET_STATUS_CONNECTING_TO_SERVER:
 244         case INTERNET_STATUS_CONNECTED_TO_SERVER:
 245             lpvNewInfo = HeapAlloc(GetProcessHeap(), 0, strlen(lpvStatusInfo) + 1);
 246             if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
 247             break;
 248         case INTERNET_STATUS_RESOLVING_NAME:
 249         case INTERNET_STATUS_REDIRECT:
 250             lpvNewInfo = WININET_strdup_WtoA(lpvStatusInfo);
 251             break;
 252         }
 253     }
 254
 255     TRACE(" callback(%p) (%p (%p), %08x, %d (%s), %p, %d)\n",
 256           hdr->lpfnStatusCB, hdr->hInternet, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 257           lpvNewInfo, dwStatusInfoLength);
 258
 259     hdr->lpfnStatusCB(hdr->hInternet, dwContext, dwInternetStatus,
 260                       lpvNewInfo, dwStatusInfoLength);
 261
 262     TRACE(" end callback().\n");
 263
 264     if(lpvNewInfo != lpvStatusInfo)
 265         HeapFree(GetProcessHeap(), 0, lpvNewInfo);
 266 }
 267
 268 static void SendAsyncCallbackProc(WORKREQUEST *workRequest)
 269 {
 270     struct WORKREQ_SENDCALLBACK const *req = &workRequest->u.SendCallback;
 271
 272     TRACE("%p\n", workRequest->hdr);
 273
 274     INTERNET_SendCallback(workRequest->hdr,
 275                           req->dwContext, req->dwInternetStatus, req->lpvStatusInfo,
 276                           req->dwStatusInfoLength);
 277
 278     /* And frees the copy of the status info */
 279     HeapFree(GetProcessHeap(), 0, req->lpvStatusInfo);
 280 }
 281
 282 VOID SendAsyncCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 283                        DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 284                        DWORD dwStatusInfoLength)
 285 {
 286     TRACE("(%p, %08x, %d (%s), %p, %d): %sasync call with callback %p\n",
 287           hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 288           lpvStatusInfo, dwStatusInfoLength,
 289           hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
 290           hdr->lpfnStatusCB);
 291
 292     if (!(hdr->lpfnStatusCB))
 293         return;
 294
 295     if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
 296     {
 297         WORKREQUEST workRequest;
 298         struct WORKREQ_SENDCALLBACK *req;
 299         void *lpvStatusInfo_copy = lpvStatusInfo;
 300
 301         if (lpvStatusInfo)
 302         {
 303             lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
 304             memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
 305         }
 306
 307         workRequest.asyncproc = SendAsyncCallbackProc;
 308         workRequest.hdr = WININET_AddRef( hdr );
 309         req = &workRequest.u.SendCallback;
 310         req->dwContext = dwContext;
 311         req->dwInternetStatus = dwInternetStatus;
 312         req->lpvStatusInfo = lpvStatusInfo_copy;
 313         req->dwStatusInfoLength = dwStatusInfoLength;
 314
 315         INTERNET_AsyncCall(&workRequest);
 316     }
 317     else
 318         INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
 319                               lpvStatusInfo, dwStatusInfoLength);
 320 }