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