/*
 *	$Source$
 *	$Header$
 */
/*  (c) Copyright 1988 by the Massachusetts Institute of Technology. */
/*  For copying and distribution information, please see the file */
/*  <mit-copyright.h>. */

#ifndef lint
static char *rcsid_xfer_002_c = "$Header$";
#endif	lint

#include <mit-copyright.h>
#include <stdio.h>
#include <gdb.h>
#include <ctype.h>
#include <sys/param.h>
#include <sys/file.h>
#include <strings.h>
#include <moira.h>

extern CONNECTION conn;
char buf[BUFSIZ];

extern int code, errno;

extern int have_authorization, have_file, done;

/*
 *
 * syntax:
 * >>> (STRING)"xfer_002" filesize checksum pathname
 * <<< (int)0
 * >>> (STRING)data
 * <<< (int)code
 * >>> (STRING)data
 * <<< (int)code
 * ...
 * >>> (STRING)data	(last data block)
 * <<< (int)code	(from read, write, checksum verify)
 *
 * function:
 *	perform initial preparations and receive file as
 * a single string, storing it into <pathname>.moira_update.
 *
 * still to be done: file locking; perform transfers in pieces instead
 * of all at once; use checksums
 */

int
xfer_002(str)
    char *str;
{
    int file_size;
    int checksum;
    char *pathname;
    
    str += 8;
    while (*str == ' ')
	str++;
    if (!*str) {
    failure:
	reject_call(MR_ARGS);
	return;
    }
    file_size = atoi(str);
    while (isdigit(*str))
	str++;
    while (*str == ' ')
	str++;
    checksum = atoi(str);
    while (isdigit(*str))
	str++;
    while (*str == ' ')
	str++;
    if (*str != '/')
	goto failure;
    pathname = str;
    if (!have_authorization) {
	reject_call(MR_PERM);
	return;
    }
    if (done)			/* re-initialize data */
	initialize();
    code = send_ok();
    if (code)
	lose("sending ok for file xfer (2)");
    code = get_file(pathname, file_size, checksum, 0700, 0);
    if (!code) {
	char buf[BUFSIZ];
	have_file = 1;
	strcpy(buf, "transferred file ");
	strcat(buf, pathname);
	mr_log_info(buf);
    }
    return;
}