reactos/lib/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "winerror.h"
  37 #include "winnls.h"
  38
  39 #include "wine/debug.h"
  40 #include "internet.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  43
  44 #define TIME_STRING_LEN  30
  45
  46
  47 time_t ConvertTimeString(LPCWSTR asctime)
  48 {
  49     WCHAR tmpChar[TIME_STRING_LEN];
  50     WCHAR *tmpChar2;
  51     struct tm t;
  52     int timelen = strlenW(asctime);
  53
  54     if(!asctime || !timelen)
  55         return 0;
  56
  57     /* The atoiWs below relie on that tmpChar is \0 padded? */
  58     strncpyW(tmpChar, asctime, TIME_STRING_LEN);
  59
  60     /* Assert that the string is the expected length */
  61     if (tmpChar[TIME_STRING_LEN - 1] != '\0')
  62     {
  63         tmpChar[TIME_STRING_LEN - 1] = '\0';
  64         FIXME("\n");
  65     }
  66
  67     /* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
  68      * We assume the time is in this format
  69      * and divide it into easy to swallow chunks
  70      */
  71     tmpChar[3]='\0';
  72     tmpChar[7]='\0';
  73     tmpChar[11]='\0';
  74     tmpChar[16]='\0';
  75     tmpChar[19]='\0';
  76     tmpChar[22]='\0';
  77     tmpChar[25]='\0';
  78
  79     t.tm_year = atoiW(tmpChar+12) - 1900;
  80     t.tm_mday = atoiW(tmpChar+5);
  81     t.tm_hour = atoiW(tmpChar+17);
  82     t.tm_min = atoiW(tmpChar+20);
  83     t.tm_sec = atoiW(tmpChar+23);
  84
  85     /* and month */
  86     tmpChar2 = tmpChar + 8;
  87     switch(tmpChar2[2])
  88     {
  89         case 'n':
  90             if(tmpChar2[1]=='a')
  91                 t.tm_mon = 0;
  92             else
  93                 t.tm_mon = 5;
  94             break;
  95         case 'b':
  96             t.tm_mon = 1;
  97             break;
  98         case 'r':
  99             if(tmpChar2[1]=='a')
 100                 t.tm_mon = 2;
 101             else
 102                 t.tm_mon = 3;
 103             break;
 104         case 'y':
 105             t.tm_mon = 4;
 106             break;
 107         case 'l':
 108             t.tm_mon = 6;
 109             break;
 110         case 'g':
 111             t.tm_mon = 7;
 112             break;
 113         case 'p':
 114             t.tm_mon = 8;
 115             break;
 116         case 't':
 117             t.tm_mon = 9;
 118             break;
 119         case 'v':
 120             t.tm_mon = 10;
 121             break;
 122         case 'c':
 123             t.tm_mon = 11;
 124             break;
 125         default:
 126             FIXME("\n");
 127     }
 128
 129     return mktime(&t);
 130 }
 131
 132
 133 BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
 134         struct hostent **phe, struct sockaddr_in *psa)
 135 {
 136     WCHAR *found;
 137     char *name;
 138     int len, sz;
 139
 140     TRACE("%s\n", debugstr_w(lpszServerName));
 141
 142     /* Validate server name first
 143      * Check if there is sth. like
 144      * pinger.macromedia.com:80
 145      * if yes, eliminate the :80....
 146      */
 147     found = strchrW(lpszServerName, ':');
 148     if (found)
 149         len = found - lpszServerName;
 150     else
 151         len = strlenW(lpszServerName);
 152
 153     sz = WideCharToMultiByte( CP_THREAD_ACP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
 154     name = HeapAlloc(GetProcessHeap(), 0, sz+1);
 155     WideCharToMultiByte( CP_THREAD_ACP, 0, lpszServerName, len, name, sz, NULL, NULL );
 156     name[sz] = 0;
 157     *phe = gethostbyname(name);
 158     HeapFree( GetProcessHeap(), 0, name );
 159
 160     if (NULL == *phe)
 161     {
 162         TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
 163         return FALSE;
 164     }
 165
 166     memset(psa,0,sizeof(struct sockaddr_in));
 167     memcpy((char *)&psa->sin_addr, (*phe)->h_addr, (*phe)->h_length);
 168     psa->sin_family = (*phe)->h_addrtype;
 169     psa->sin_port = htons((u_short)nServerPort);
 170
 171     return TRUE;
 172 }
 173
 174 /*
 175  * Helper function for sending async Callbacks
 176  */
 177
 178 static const char *get_callback_name(DWORD dwInternetStatus) {
 179     static const wininet_flag_info internet_status[] = {
 180 #define FE(x) { x, #x }
 181         FE(INTERNET_STATUS_RESOLVING_NAME),
 182         FE(INTERNET_STATUS_NAME_RESOLVED),
 183         FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
 184         FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
 185         FE(INTERNET_STATUS_SENDING_REQUEST),
 186         FE(INTERNET_STATUS_REQUEST_SENT),
 187         FE(INTERNET_STATUS_RECEIVING_RESPONSE),
 188         FE(INTERNET_STATUS_RESPONSE_RECEIVED),
 189         FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
 190         FE(INTERNET_STATUS_PREFETCH),
 191         FE(INTERNET_STATUS_CLOSING_CONNECTION),
 192         FE(INTERNET_STATUS_CONNECTION_CLOSED),
 193         FE(INTERNET_STATUS_HANDLE_CREATED),
 194         FE(INTERNET_STATUS_HANDLE_CLOSING),
 195         FE(INTERNET_STATUS_REQUEST_COMPLETE),
 196         FE(INTERNET_STATUS_REDIRECT),
 197         FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
 198         FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
 199         FE(INTERNET_STATUS_STATE_CHANGE),
 200         FE(INTERNET_STATUS_COOKIE_SENT),
 201         FE(INTERNET_STATUS_COOKIE_RECEIVED),
 202         FE(INTERNET_STATUS_PRIVACY_IMPACTED),
 203         FE(INTERNET_STATUS_P3P_HEADER),
 204         FE(INTERNET_STATUS_P3P_POLICYREF),
 205         FE(INTERNET_STATUS_COOKIE_HISTORY)
 206 #undef FE
 207     };
 208     DWORD i;
 209
 210     for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
 211         if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
 212     }
 213     return "Unknown";
 214 }
 215
 216 VOID SendSyncCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 217                       DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 218                       DWORD dwStatusInfoLength)
 219 {
 220     HINTERNET hHttpSession;
 221     LPVOID lpvNewInfo = NULL;
 222
 223     if( !hdr->lpfnStatusCB )
 224         return;
 225
 226     /* the IE5 version of wininet does not
 227        send callbacks if dwContext is zero */
 228     if( !dwContext )
 229         return;
 230
 231     hHttpSession = WININET_FindHandle( hdr );
 232     if( !hHttpSession ) {
 233         TRACE(" Could not convert header '%p' into a handle !\n", hdr);
 234         return;
 235     }
 236
 237     lpvNewInfo = lpvStatusInfo;
 238     if(!(hdr->dwInternalFlags & INET_CALLBACKW)) {
 239         switch(dwInternetStatus)
 240         {
 241         case INTERNET_STATUS_RESOLVING_NAME:
 242         case INTERNET_STATUS_REDIRECT:
 243             lpvNewInfo = WININET_strdup_WtoA(lpvStatusInfo);
 244         }
 245     }
 246
 247     TRACE(" callback(%p) (%08lx (%p), %08lx, %ld (%s), %p, %ld)\n",
 248           hdr->lpfnStatusCB, (DWORD) hHttpSession, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 249           lpvNewInfo, dwStatusInfoLength);
 250
 251     hdr->lpfnStatusCB(hHttpSession, dwContext, dwInternetStatus,
 252                       lpvNewInfo, dwStatusInfoLength);
 253
 254     TRACE(" end callback().\n");
 255
 256     if(lpvNewInfo != lpvStatusInfo)
 257         HeapFree(GetProcessHeap(), 0, lpvNewInfo);
 258
 259     WININET_Release( hdr );
 260 }
 261
 262
 263
 264 VOID SendAsyncCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 265                        DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 266                        DWORD dwStatusInfoLength)
 267 {
 268     TRACE("(%p, %08lx, %ld (%s), %p, %ld): %sasync call with callback %p\n",
 269           hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 270           lpvStatusInfo, dwStatusInfoLength,
 271           hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
 272           hdr->lpfnStatusCB);
 273
 274     if (!(hdr->lpfnStatusCB))
 275         return;
 276
 277     if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
 278     {
 279         WORKREQUEST workRequest;
 280         struct WORKREQ_SENDCALLBACK *req;
 281         void *lpvStatusInfo_copy = lpvStatusInfo;
 282
 283         if (lpvStatusInfo)
 284         {
 285             lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
 286             memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
 287         }
 288
 289         workRequest.asyncall = SENDCALLBACK;
 290         workRequest.hdr = WININET_AddRef( hdr );
 291         req = &workRequest.u.SendCallback;
 292         req->dwContext = dwContext;
 293         req->dwInternetStatus = dwInternetStatus;
 294         req->lpvStatusInfo = lpvStatusInfo_copy;
 295         req->dwStatusInfoLength = dwStatusInfoLength;
 296
 297         INTERNET_AsyncCall(&workRequest);
 298     }
 299     else
 300         SendSyncCallback(hdr, dwContext, dwInternetStatus,
 301                          lpvStatusInfo, dwStatusInfoLength);
 302 }