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
  27 #include <stdarg.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <time.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "wininet.h"
  35 #include "winerror.h"
  36
  37 #include "wine/debug.h"
  38 #include "internet.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  41
  42 #define TIME_STRING_LEN  30
  43
  44 time_t ConvertTimeString(LPCSTR asctime)
  45 {
  46     char tmpChar[TIME_STRING_LEN];
  47     char *tmpChar2;
  48     struct tm t;
  49     int timelen = strlen(asctime);
  50
  51     if(!asctime || !timelen)
  52         return 0;
  53
  54     strncpy(tmpChar, asctime, TIME_STRING_LEN);
  55
  56     /* Assert that the string is the expected length */
  57     if (tmpChar[TIME_STRING_LEN] != '\0')
  58     {
  59         tmpChar[TIME_STRING_LEN] = '\0';
  60         FIXME("\n");
  61     }
  62
  63     /* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
  64      * We assume the time is in this format
  65      * and divide it into easy to swallow chunks
  66      */
  67     tmpChar[3]='\0';
  68     tmpChar[7]='\0';
  69     tmpChar[11]='\0';
  70     tmpChar[16]='\0';
  71     tmpChar[19]='\0';
  72     tmpChar[22]='\0';
  73     tmpChar[25]='\0';
  74
  75     t.tm_year = atoi(tmpChar+12) - 1900;
  76     t.tm_mday = atoi(tmpChar+5);
  77     t.tm_hour = atoi(tmpChar+17);
  78     t.tm_min = atoi(tmpChar+20);
  79     t.tm_sec = atoi(tmpChar+23);
  80
  81     /* and month */
  82     tmpChar2 = tmpChar + 8;
  83     switch(tmpChar2[2])
  84     {
  85         case 'n':
  86             if(tmpChar2[1]=='a')
  87                 t.tm_mon = 0;
  88             else
  89                 t.tm_mon = 5;
  90             break;
  91         case 'b':
  92             t.tm_mon = 1;
  93             break;
  94         case 'r':
  95             if(tmpChar2[1]=='a')
  96                 t.tm_mon = 2;
  97             else
  98                 t.tm_mon = 3;
  99             break;
 100         case 'y':
 101             t.tm_mon = 4;
 102             break;
 103         case 'l':
 104             t.tm_mon = 6;
 105             break;
 106         case 'g':
 107             t.tm_mon = 7;
 108             break;
 109         case 'p':
 110             t.tm_mon = 8;
 111             break;
 112         case 't':
 113             t.tm_mon = 9;
 114             break;
 115         case 'v':
 116             t.tm_mon = 10;
 117             break;
 118         case 'c':
 119             t.tm_mon = 11;
 120             break;
 121         default:
 122             FIXME("\n");
 123     }
 124
 125     return mktime(&t);
 126 }
 127
 128
 129 BOOL GetAddress(LPCSTR lpszServerName, INTERNET_PORT nServerPort,
 130         struct hostent **phe, struct sockaddr_in *psa)
 131 {
 132     char *found;
 133
 134     TRACE("%s\n", lpszServerName);
 135
 136     /* Validate server name first
 137      * Check if there is sth. like
 138      * pinger.macromedia.com:80
 139      * if yes, eliminate the :80....
 140      */
 141     found = strchr(lpszServerName, ':');
 142     if (found)
 143     {
 144         int len = found - lpszServerName;
 145         char *new = HeapAlloc(GetProcessHeap(), 0, len + 1);
 146         memcpy( new, lpszServerName, len );
 147         new[len] = '\0';
 148         TRACE("Found a ':' inside the server name, reparsed name: %s\n", new);
 149         *phe = gethostbyname(new);
 150         HeapFree( GetProcessHeap(), 0, new );
 151     }
 152     else *phe = gethostbyname(lpszServerName);
 153
 154     if (NULL == *phe)
 155     {
 156         TRACE("Failed to get hostname: (%s)\n", lpszServerName);
 157         return FALSE;
 158     }
 159
 160     memset(psa,0,sizeof(struct sockaddr_in));
 161     memcpy((char *)&psa->sin_addr, (*phe)->h_addr, (*phe)->h_length);
 162     psa->sin_family = (*phe)->h_addrtype;
 163     psa->sin_port = htons((u_short)nServerPort);
 164
 165     return TRUE;
 166 }
 167
 168 /*
 169  * Helper function for sending async Callbacks
 170  */
 171
 172 static const char *get_callback_name(DWORD dwInternetStatus) {
 173     static const wininet_flag_info internet_status[] = {
 174 #define FE(x) { x, #x }
 175         FE(INTERNET_STATUS_RESOLVING_NAME),
 176         FE(INTERNET_STATUS_NAME_RESOLVED),
 177         FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
 178         FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
 179         FE(INTERNET_STATUS_SENDING_REQUEST),
 180         FE(INTERNET_STATUS_REQUEST_SENT),
 181         FE(INTERNET_STATUS_RECEIVING_RESPONSE),
 182         FE(INTERNET_STATUS_RESPONSE_RECEIVED),
 183         FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
 184         FE(INTERNET_STATUS_PREFETCH),
 185         FE(INTERNET_STATUS_CLOSING_CONNECTION),
 186         FE(INTERNET_STATUS_CONNECTION_CLOSED),
 187         FE(INTERNET_STATUS_HANDLE_CREATED),
 188         FE(INTERNET_STATUS_HANDLE_CLOSING),
 189         FE(INTERNET_STATUS_REQUEST_COMPLETE),
 190         FE(INTERNET_STATUS_REDIRECT),
 191         FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
 192         FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
 193         FE(INTERNET_STATUS_STATE_CHANGE),
 194         FE(INTERNET_STATUS_COOKIE_SENT),
 195         FE(INTERNET_STATUS_COOKIE_RECEIVED),
 196         FE(INTERNET_STATUS_PRIVACY_IMPACTED),
 197         FE(INTERNET_STATUS_P3P_HEADER),
 198         FE(INTERNET_STATUS_P3P_POLICYREF),
 199         FE(INTERNET_STATUS_COOKIE_HISTORY),
 200         FE(INTERNET_STATE_CONNECTED),
 201         FE(INTERNET_STATE_DISCONNECTED),
 202         FE(INTERNET_STATE_DISCONNECTED_BY_USER),
 203         FE(INTERNET_STATE_IDLE),
 204         FE(INTERNET_STATE_BUSY)
 205 #undef FE
 206     };
 207     int i;
 208
 209     for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
 210         if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
 211     }
 212     return "Unknown";
 213 }
 214
 215 VOID SendAsyncCallbackInt(LPWININETAPPINFOA hIC, HINTERNET hHttpSession,
 216                              DWORD dwContext, DWORD dwInternetStatus, LPVOID
 217                              lpvStatusInfo, DWORD dwStatusInfoLength)
 218 {
 219         if (! (hIC->lpfnStatusCB))
 220             return;
 221
 222         /* the IE5 version of wininet does not
 223            send callbacks if dwContext is zero */
 224         if( !dwContext )
 225             return;
 226
 227         TRACE("--> Callback %ld (%s)\n",dwInternetStatus, get_callback_name(dwInternetStatus));
 228
 229         hIC->lpfnStatusCB(hHttpSession, dwContext, dwInternetStatus,
 230                           lpvStatusInfo, dwStatusInfoLength);
 231
 232         TRACE("<-- Callback %ld (%s)\n",dwInternetStatus, get_callback_name(dwInternetStatus));
 233 }
 234
 235
 236
 237 VOID SendAsyncCallback(LPWININETAPPINFOA hIC, HINTERNET hHttpSession,
 238                              DWORD dwContext, DWORD dwInternetStatus, LPVOID
 239                              lpvStatusInfo,  DWORD dwStatusInfoLength)
 240 {
 241         TRACE("Send Callback %ld (%s)\n",dwInternetStatus, get_callback_name(dwInternetStatus));
 242
 243         if (! (hIC->lpfnStatusCB))
 244             return;
 245         if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
 246         {
 247             WORKREQUEST workRequest;
 248             struct WORKREQ_SENDCALLBACK *req;
 249
 250             workRequest.asyncall = SENDCALLBACK;
 251             workRequest.handle = hIC;
 252             req = &workRequest.u.SendCallback;
 253             req->hHttpSession = hHttpSession;
 254             req->dwContext = dwContext;
 255             req->dwInternetStatus = dwInternetStatus;
 256             req->lpvStatusInfo = lpvStatusInfo;
 257             req->dwStatusInfoLength = dwStatusInfoLength;
 258
 259             INTERNET_AsyncCall(&workRequest);
 260         }
 261         else
 262             SendAsyncCallbackInt(hIC, hHttpSession, dwContext, dwInternetStatus,
 263                                   lpvStatusInfo, dwStatusInfoLength);
 264 }