/[winpt]/trunk/Src/wptGPG.cpp
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Diff of /trunk/Src/wptGPG.cpp

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revision 273 by twoaday, Fri Dec 8 10:22:17 2006 UTC revision 295 by twoaday, Tue Mar 13 18:53:40 2007 UTC
# Line 808  gnupg_check_file_ext (const char *fname, Line 808  gnupg_check_file_ext (const char *fname,
808  }  }
809    
810    
811    /* Check if the device where file @fname is stored on, is write-protected. */
 /* Check if the device file @fname is stored on, is write-protected. */  
812  static int  static int
813  my_access (const char *fname)  check_file_access (const char *fname, int mode)
814  {  {
815      HANDLE hd;      HANDLE hd;
816    
817      hd = CreateFile (fname, GENERIC_WRITE, FILE_SHARE_WRITE,      if (!mode)
818            mode = FILE_SHARE_WRITE;
819        hd = CreateFile (fname, GENERIC_WRITE, mode,
820                       NULL, OPEN_EXISTING, 0, NULL);                       NULL, OPEN_EXISTING, 0, NULL);
821      if (hd == INVALID_HANDLE_VALUE)      if (hd == INVALID_HANDLE_VALUE)
822          return -1;          return -1;
# Line 823  my_access (const char *fname) Line 824  my_access (const char *fname)
824      return 0;      return 0;
825  }  }
826    
827        
828    /* Check the device where the file @fname is stored on, is either
829       write-protected or if the file is already opened by another process
830       exclusively. And as a result, we cannot use the file for output. */
831    int
832    gpg_check_file_permissions (const char *fname, int mode)
833    {
834        int api_mode;
835        
836        switch (mode) {
837        case 0: api_mode = FILE_SHARE_READ; break;
838        case 1: api_mode = FILE_SHARE_WRITE; break;
839        case 2: api_mode = FILE_SHARE_WRITE|FILE_SHARE_READ; break;
840        }
841    
842        return check_file_access (fname, api_mode);
843    }
844    
845    
846  /* Check the file permissions of the public keyring.  /* Check the file permissions of the public keyring.
847     If @showmsg is 1 output a message in case of errors.     If @showmsg is 1 output a message in case of errors.
# Line 857  gpg_check_permissions (int showmsg) Line 876  gpg_check_permissions (int showmsg)
876                  failed = 1;                  failed = 1;
877              }              }
878          }          }
879          if (my_access (name)) {          if (gpg_check_file_permissions (name, 1)) {
880              if (showmsg)              if (showmsg)
881                  msg_box (NULL,                  msg_box (NULL,
882                  _("You do not have file access to modify the contents of\n"                  _("You do not have file access to modify the contents of\n"
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