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smb/smbval/rfcnb-util.c  view on Meta::CPAN

struct RFCNB_Pkt *RFCNB_Alloc_Pkt(int n)

{ RFCNB_Pkt *pkt;

  if ((pkt = (struct RFCNB_Pkt *)malloc(sizeof(struct RFCNB_Pkt))) == NULL) {

    RFCNB_errno = RFCNBE_NoSpace;
    RFCNB_saved_errno = errno;
    return(NULL);

  }

  pkt -> next = NULL;
  pkt -> len = n;

  if (n == 0) return(pkt);

  if ((pkt -> data = (char *)malloc(n)) == NULL) {

    RFCNB_errno = RFCNBE_NoSpace;
    RFCNB_saved_errno = errno;
    free(pkt);
    return(NULL);

  }

  return(pkt);

}

/* Free up a packet */

int RFCNB_Free_Pkt(struct RFCNB_Pkt *pkt)

{ struct RFCNB_Pkt *pkt_next; char *data_ptr;

  while (pkt != NULL) {

    pkt_next = pkt -> next;

    data_ptr = pkt -> data;

    if (data_ptr != NULL)
      free(data_ptr);

    free(pkt);

    pkt = pkt_next;

  }
  return 0;
}

/* Print an RFCNB packet */

void RFCNB_Print_Pkt(FILE *fd, char *dirn, struct RFCNB_Pkt *pkt, int len)

{ char lname[17];

  /* We assume that the first fragment is the RFCNB Header  */
  /* We should loop through the fragments printing them out */

  fprintf(fd, "RFCNB Pkt %s:", dirn);

  switch (RFCNB_Pkt_Type(pkt -> data)) {

  case RFCNB_SESSION_MESSAGE: 

    fprintf(fd, "SESSION MESSAGE: Length = %i\n", RFCNB_Pkt_Len(pkt -> data));
    RFCNB_Print_Hex(fd, pkt, RFCNB_Pkt_Hdr_Len, 
#ifdef RFCNB_PRINT_DATA
		    RFCNB_Pkt_Len(pkt -> data) - RFCNB_Pkt_Hdr_Len);
#else
                    40);
#endif

  if (Prot_Print_Routine != 0) { /* Print the rest of the packet */
	
    Prot_Print_Routine(fd, strcmp(dirn, "sent"), pkt, RFCNB_Pkt_Hdr_Len,
		       RFCNB_Pkt_Len(pkt -> data) - RFCNB_Pkt_Hdr_Len);

      }

      break;

 case RFCNB_SESSION_REQUEST:

      fprintf(fd, "SESSION REQUEST: Length = %i\n",
		  RFCNB_Pkt_Len(pkt -> data));
      RFCNB_NBName_To_AName((char *)(pkt -> data + RFCNB_Pkt_Called_Offset), lname);
      fprintf(fd, "  Called Name: %s\n", lname);
      RFCNB_NBName_To_AName((char *)(pkt -> data + RFCNB_Pkt_Calling_Offset), lname);
      fprintf(fd, "  Calling Name: %s\n", lname);

      break;

 case RFCNB_SESSION_ACK:

      fprintf(fd, "RFCNB SESSION ACK: Length = %i\n",
		  RFCNB_Pkt_Len(pkt -> data));

      break;

 case RFCNB_SESSION_REJ:
      fprintf(fd, "RFCNB SESSION REJECT: Length = %i\n", 
		  RFCNB_Pkt_Len(pkt -> data));

      if (RFCNB_Pkt_Len(pkt -> data) < 1) {
	fprintf(fd, "   Protocol Error, short Reject packet!\n");
      }
      else {
	fprintf(fd, "   Error = %x\n", CVAL(pkt -> data, RFCNB_Pkt_Error_Offset));
      }

      break;

 case RFCNB_SESSION_RETARGET:

      fprintf(fd, "RFCNB SESSION RETARGET: Length = %i\n",
		  RFCNB_Pkt_Len(pkt -> data));