source: trunk/third/moira/update/xfer_002.c @ 24319

Revision 24319, 1.8 KB checked in by broder, 15 years ago (diff)
New Moira snapshot from SVN.
Line 
1/* $Id: xfer_002.c 3956 2010-01-05 20:56:56Z zacheiss $
2 *
3 * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology.
4 * For copying and distribution information, please see the file
5 * <mit-copyright.h>.
6 */
7
8#include <mit-copyright.h>
9#include <moira.h>
10#include "update_server.h"
11
12#include <ctype.h>
13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
16
17RCSID("$HeadURL: svn+ssh://svn.mit.edu/moira/trunk/moira/update/xfer_002.c $ $Id: xfer_002.c 3956 2010-01-05 20:56:56Z zacheiss $");
18
19/*
20 *
21 * syntax:
22 * >>> (STRING)"xfer_002" filesize checksum pathname
23 * <<< (int)0
24 * >>> (STRING)data
25 * <<< (int)code
26 * >>> (STRING)data
27 * <<< (int)code
28 * ...
29 * >>> (STRING)data     (last data block)
30 * <<< (int)code        (from read, write, checksum verify)
31 *
32 * function:
33 *      perform initial preparations and receive file as
34 * a single string, storing it into <pathname>.moira_update.
35 *
36 * still to be done: file locking; perform transfers in pieces instead
37 * of all at once; use checksums
38 */
39
40void xfer_002(int conn, char *str)
41{
42  int file_size, checksum, code;
43  char *pathname, *p;
44
45  str += 8;
46  while (*str == ' ')
47    str++;
48  if (!*str)
49    {
50    failure:
51      send_int(conn, MR_ARGS);
52      return;
53    }
54
55  file_size = strtol(str, &p, 10);
56  if (p == str)
57    {
58      send_int(conn, MR_ARGS);
59      return;
60    }
61  else
62    str = p;
63  while (*str == ' ')
64    str++;
65
66  checksum = strtol(str, &p, 10);
67  if (p == str)
68    {
69      send_int(conn, MR_ARGS);
70      return;
71    }
72  else
73    str = p;
74  while (*str == ' ')
75    str++;
76
77  if (*str != '/')
78    goto failure;
79  pathname = str;
80
81  if (!have_authorization)
82    {
83      send_int(conn, MR_PERM);
84      return;
85    }
86
87  send_ok(conn);
88  code = get_file(conn, pathname, file_size, checksum, 0700, 0);
89  if (!code)
90    com_err(whoami, 0, "Transferred file %s", pathname);
91
92  return;
93}
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