smbutil.c

Windump3.6.2源代码

      }
    case 'r':
      reverse = !reverse;
      fmt++;
      break;
    case 'D':
      {
	unsigned int x = reverse?RIVAL(buf,0):IVAL(buf,0);
	printf("%d (0x%x)",x, x);
	buf += 4;
	fmt++;
	break;
      }
    case 'L':
      {
	unsigned int x1 = reverse?RIVAL(buf,0):IVAL(buf,0);
	unsigned int x2 = reverse?RIVAL(buf,4):IVAL(buf,4);
	if (x2) {
		printf("0x%08x:%08x",x2, x1);
	} else {
		printf("%d (0x%08x%08x)",x1, x2, x1);
	}
	buf += 8;
	fmt++;
	break;
      }
    case 'd':
      {
	unsigned int x = reverse?RSVAL(buf,0):SVAL(buf,0);
	printf("%d (0x%x)",x, x);
	buf += 2;
	fmt++;
	break;
      }
    case 'W':
      {
	unsigned int x = reverse?RIVAL(buf,0):IVAL(buf,0);
	printf("0x%X",x);
	buf += 4;
	fmt++;
	break;
      }
    case 'w':
      {
	unsigned int x = reverse?RSVAL(buf,0):SVAL(buf,0);
	printf("0x%X",x);
	buf += 2;
	fmt++;
	break;
      }
    case 'B':
      {
	unsigned int x = CVAL(buf,0);
	printf("0x%X",x);
	buf += 1;
	fmt++;
	break;
      }
    case 'b':
      {
	unsigned int x = CVAL(buf,0);
	printf("%d (0x%x)",x, x);
	buf += 1;
	fmt++;
	break;
      }
    case 'S':
      {	
	      printf("%.*s",(int)PTR_DIFF(maxbuf,buf),unistr(buf, &len));
	      buf += len;
	      fmt++;
	      break;
      }
    case 'Z':
      {	
	if (*buf != 4 && *buf != 2) 
	  printf("Error! ASCIIZ buffer of type %d (safety=%d)\n",
		 *buf,(int)PTR_DIFF(maxbuf,buf));
	printf("%.*s",(int)PTR_DIFF(maxbuf,buf+1),unistr(buf+1, &len));
	buf += len+1;
	fmt++;
	break;
      }
    case 's':
      {	
	int l = atoi(fmt+1);
	printf("%-*.*s",l,l,buf);
	buf += l;	
	fmt++; while (isdigit(*fmt)) fmt++;
	break;
      }
    case 'h':
      {	
	int l = atoi(fmt+1);
	while (l--) printf("%02x",*buf++);
	fmt++; while (isdigit(*fmt)) fmt++;
	break;
      }
    case 'n':
      {	
	int t = atoi(fmt+1);
	char nbuf[255];
	int name_type;
	int len;
	switch (t) {
	case 1:
	  name_type = name_extract(startbuf,PTR_DIFF(buf,startbuf),maxbuf,
	  	nbuf);
	  if (name_type < 0)
	    goto trunc;
	  len = name_len(buf,maxbuf);
	  if (len < 0)
	    goto trunc;
	  buf += len;
	  printf("%-15.15s NameType=0x%02X (%s)",
		 nbuf,name_type,name_type_str(name_type));
	  break;
	case 2:
	  name_type = buf[15];
	  printf("%-15.15s NameType=0x%02X (%s)",
		 buf,name_type,name_type_str(name_type));
	  buf += 16;
	  break;
	}
	fmt++; while (isdigit(*fmt)) fmt++;
	break;
      }
    case 'T':
      {	
	time_t t;
	int x = IVAL(buf,0);
	switch (atoi(fmt+1)) {
	case 1:
	  if (x==0 || x==-1 || x==0xFFFFFFFF)
	    t = 0;
	  else
	    t = make_unix_date(buf); 
	  buf+=4;
	  break;
	case 2:
	  if (x==0 || x==-1 || x==0xFFFFFFFF)
	    t = 0;
	  else
	    t = make_unix_date2(buf); 
	  buf+=4;
	  break;
	case 3:
	  t = interpret_long_date(buf); 
	  buf+=8;
	  break;
	}
	printf("%s",t?asctime(localtime(&t)):"NULL\n");
	fmt++; while (isdigit(*fmt)) fmt++;
	break;
      }
    default:
      putchar(*fmt);
      fmt++;
      break;      
    }
  }

  if (buf>=maxbuf && *fmt)
    printf("END OF BUFFER\n");

  return(buf);

trunc:
  printf("\n");
  printf("WARNING: Short packet. Try increasing the snap length\n");
  return(NULL);
}

const uchar *fdata(const uchar *buf, const char *fmt, const uchar *maxbuf)
{
  static int depth=0;
  char s[128];
  char *p;

  while (*fmt) {
    switch (*fmt) {
    case '*':
      fmt++;
      while (buf < maxbuf) {
	const uchar *buf2;
	depth++;
	buf2 = fdata(buf,fmt,maxbuf);
	depth--;
	if (buf2 == buf) return(buf);
	buf = buf2;
      }
      break;

    case '|':
      fmt++;
      if (buf>=maxbuf) return(buf);
      break;

    case '%':
      fmt++;
      buf=maxbuf;
      break;

    case '#':
      fmt++;
      return(buf);
      break;

    case '[':
      fmt++;
      if (buf>=maxbuf) return(buf);
      memset(s, 0, sizeof(s));
      p = strchr(fmt,']');
      strncpy(s,fmt,p-fmt);
      fmt = p+1;
      buf = fdata1(buf,s,maxbuf);
      if (buf == NULL)
	return(NULL);
      break;

    default:
      putchar(*fmt); fmt++;
      fflush(stdout);
      break;
    }
  }
  if (!depth && buf<maxbuf) {
    int len = PTR_DIFF(maxbuf,buf);
    printf("Data: (%d bytes)\n",len);
    print_data(buf,len);
    return(buf+len);
  }
  return(buf);
}

typedef struct
{
  char *name;
  int code;
  char *message;
} err_code_struct;

/* Dos Error Messages */
static err_code_struct dos_msgs[] = {
  {"ERRbadfunc",1,"Invalid function."},
  {"ERRbadfile",2,"File not found."},
  {"ERRbadpath",3,"Directory invalid."},
  {"ERRnofids",4,"No file descriptors available"},
  {"ERRnoaccess",5,"Access denied."},
  {"ERRbadfid",6,"Invalid file handle."},
  {"ERRbadmcb",7,"Memory control blocks destroyed."},
  {"ERRnomem",8,"Insufficient server memory to perform the requested function."},
  {"ERRbadmem",9,"Invalid memory block address."},
  {"ERRbadenv",10,"Invalid environment."},
  {"ERRbadformat",11,"Invalid format."},
  {"ERRbadaccess",12,"Invalid open mode."},
  {"ERRbaddata",13,"Invalid data."},
  {"ERR",14,"reserved."},
  {"ERRbaddrive",15,"Invalid drive specified."},
  {"ERRremcd",16,"A Delete Directory request attempted  to  remove  the  server's  current directory."},
  {"ERRdiffdevice",17,"Not same device."},
  {"ERRnofiles",18,"A File Search command can find no more files matching the specified criteria."},
  {"ERRbadshare",32,"The sharing mode specified for an Open conflicts with existing  FIDs  on the file."},
  {"ERRlock",33,"A Lock request conflicted with an existing lock or specified an  invalid mode,  or an Unlock requested attempted to remove a lock held by another process."},
  {"ERRfilexists",80,"The file named in a Create Directory, Make  New  File  or  Link  request already exists."},
  {"ERRbadpipe",230,"Pipe invalid."},
  {"ERRpipebusy",231,"All instances of the requested pipe are busy."},
  {"ERRpipeclosing",232,"Pipe close in progress."},
  {"ERRnotconnected",233,"No process on other end of pipe."},
  {"ERRmoredata",234,"There is more data to be returned."},
  {NULL,-1,NULL}};

/* Server Error Messages */
err_code_struct server_msgs[] = {
  {"ERRerror",1,"Non-specific error code."},
  {"ERRbadpw",2,"Bad password - name/password pair in a Tree Connect or Session Setup are invalid."},
  {"ERRbadtype",3,"reserved."},
  {"ERRaccess",4,"The requester does not have  the  necessary  access  rights  within  the specified  context for the requested function. The context is defined by the TID or the UID."},
  {"ERRinvnid",5,"The tree ID (TID) specified in a command was invalid."},
  {"ERRinvnetname",6,"Invalid network name in tree connect."},
  {"ERRinvdevice",7,"Invalid device - printer request made to non-printer connection or  non-printer request made to printer connection."},
  {"ERRqfull",49,"Print queue full (files) -- returned by open print file."},
  {"ERRqtoobig",50,"Print queue full -- no space."},
  {"ERRqeof",51,"EOF on print queue dump."},
  {"ERRinvpfid",52,"Invalid print file FID."},
  {"ERRsmbcmd",64,"The server did not recognize the command received."},
  {"ERRsrverror",65,"The server encountered an internal error, e.g., system file unavailable."},
  {"ERRfilespecs",67,"The file handle (FID) and pathname parameters contained an invalid  combination of values."},
  {"ERRreserved",68,"reserved."},
  {"ERRbadpermits",69,"The access permissions specified for a file or directory are not a valid combination.  The server cannot set the requested attribute."},
  {"ERRreserved",70,"reserved."},
  {"ERRsetattrmode",71,"The attribute mode in the Set File Attribute request is invalid."},
  {"ERRpaused",81,"Server is paused."},
  {"ERRmsgoff",82,"Not receiving messages."},
  {"ERRnoroom",83,"No room to buffer message."},
  {"ERRrmuns",87,"Too many remote user names."},
  {"ERRtimeout",88,"Operation timed out."},
  {"ERRnoresource",89,"No resources currently available for request."},
  {"ERRtoomanyuids",90,"Too many UIDs active on this session."},
  {"ERRbaduid",91,"The UID is not known as a valid ID on this session."},
  {"ERRusempx",250,"Temp unable to support Raw, use MPX mode."},
  {"ERRusestd",251,"Temp unable to support Raw, use standard read/write."},
  {"ERRcontmpx",252,"Continue in MPX mode."},
  {"ERRreserved",253,"reserved."},
  {"ERRreserved",254,"reserved."},
  {"ERRnosupport",0xFFFF,"Function not supported."},
  {NULL,-1,NULL}};

/* Hard Error Messages */
err_code_struct hard_msgs[] = {
  {"ERRnowrite",19,"Attempt to write on write-protected diskette."},
  {"ERRbadunit",20,"Unknown unit."},
  {"ERRnotready",21,"Drive not ready."},
  {"ERRbadcmd",22,"Unknown command."},
  {"ERRdata",23,"Data error (CRC)."},
  {"ERRbadreq",24,"Bad request structure length."},
  {"ERRseek",25 ,"Seek error."},
  {"ERRbadmedia",26,"Unknown media type."},
  {"ERRbadsector",27,"Sector not found."},
  {"ERRnopaper",28,"Printer out of paper."},
  {"ERRwrite",29,"Write fault."},
  {"ERRread",30,"Read fault."},
  {"ERRgeneral",31,"General failure."},
  {"ERRbadshare",32,"A open conflicts with an existing open."},
  {"ERRlock",33,"A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process."},
  {"ERRwrongdisk",34,"The wrong disk was found in a drive."},
  {"ERRFCBUnavail",35,"No FCBs are available to process request."},
  {"ERRsharebufexc",36,"A sharing buffer has been exceeded."},
  {NULL,-1,NULL}};


static struct
{
  int code;
  char *class;
  err_code_struct *err_msgs;
} err_classes[] = { 
  {0,"SUCCESS",NULL},
  {0x01,"ERRDOS",dos_msgs},
  {0x02,"ERRSRV",server_msgs},
  {0x03,"ERRHRD",hard_msgs},
  {0x04,"ERRXOS",NULL},
  {0xE1,"ERRRMX1",NULL},
  {0xE2,"ERRRMX2",NULL},
  {0xE3,"ERRRMX3",NULL},
  {0xFF,"ERRCMD",NULL},
  {-1,NULL,NULL}};


/****************************************************************************
return a SMB error string from a SMB buffer
****************************************************************************/
char *smb_errstr(int class,int num)
{
  static char ret[128];
  int i,j;

  ret[0]=0;

  for (i=0;err_classes[i].class;i++)
    if (err_classes[i].code == class)
      {
	if (err_classes[i].err_msgs)
	  {
	    err_code_struct *err = err_classes[i].err_msgs;
	    for (j=0;err[j].name;j++)
	      if (num == err[j].code)
		{
		  snprintf(ret,sizeof(ret),"%s - %s (%s)",err_classes[i].class,
			  err[j].name,err[j].message);
		  return ret;
		}
	  }

	snprintf(ret,sizeof(ret),"%s - %d",err_classes[i].class,num);
	return ret;
      }
  
  snprintf(ret,sizeof(ret),"ERROR: Unknown error (%d,%d)",class,num);
  return(ret);
}