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Comparing gvpe/src/util.h (file contents):
Revision 1.6 by pcg, Wed Apr 2 05:15:00 2003 UTC vs.
Revision 1.15 by pcg, Fri Mar 18 02:32:20 2005 UTC

1/* 1/*
2 util.h -- process management and other utility functions 2 util.h -- process management and other utility functions
3 Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl> 3 Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl>
4 2000-2002 Guus Sliepen <guus@sliepen.eu.org> 4 2000-2002 Guus Sliepen <guus@sliepen.eu.org>
5 2003 Marc Lehmannn <pcg@goof.com> 5 2003 Marc Lehmann <gvpe@schmorp.de>
6 6
7 This file is part of GVPE.
8
7 This program is free software; you can redistribute it and/or modify 9 GVPE is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 10 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or 11 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version. 12 (at your option) any later version.
11 13
12 This program is distributed in the hope that it will be useful, 14 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 17 GNU General Public License for more details.
16 18
17 You should have received a copy of the GNU General Public License 19 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 20 along with gvpe; if not, write to the Free Software
19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20*/ 22*/
21 23
22#ifndef UTIL_H__ 24#ifndef UTIL_H__
23#define UTIL_H__ 25#define UTIL_H__
24 26
27#include <openssl/rsa.h>
28
29#include "gettext.h"
30
31#include "slog.h"
25#include "iom.h" 32#include "iom.h"
26#include "device.h"
27 33
28/* 34/*
29 * check for an existing vped for this net, and write pid to pidfile 35 * check for an existing vped for this net, and write pid to pidfile
30 */ 36 */
31extern int write_pidfile (void); 37extern int write_pidfile (void);
… …
39 * Detach from current terminal, write pidfile, kill parent 45 * Detach from current terminal, write pidfile, kill parent
40 */ 46 */
41extern int detach (int do_detach); 47extern int detach (int do_detach);
42 48
43/* 49/*
44 * Set all files and paths according to netname
45 */
46extern void make_names (void);
47
48/*
49 * check wether the given path is an absolute pathname 50 * check wether the given path is an absolute pathname
50 */ 51 */
51#define ABSOLUTE_PATH(c) ((c)[0] == '/') 52#define ABSOLUTE_PATH(c) ((c)[0] == '/')
52 53
53static inline void 54/*****************************************************************************/
54id2mac (unsigned int id, void *m)
55{
56 mac &p = *(mac *)m;
57 55
58 p[0] = 0xfe; 56typedef u8 mac[6];
59 p[1] = 0xfd;
60 p[2] = 0x80;
61 p[3] = 0x00;
62 p[4] = id >> 8;
63 p[5] = id;
64}
65 57
58extern void id2mac (unsigned int id, void *m);
59
66#define mac2id(p) (p[0] & 0x01 ? 0 : (p[4] << 8) | p[5]) 60#define mac2id(p) ((p)[0] & 0x01 ? 0 : ((p)[4] << 8) | (p)[5])
67 61
68struct sliding_window { 62struct sliding_window {
69 u32 v[(WINDOWSIZE + 31) / 32]; 63 u32 v[(WINDOWSIZE + 31) / 32];
70 u32 seq; 64 u32 seq;
71 65
… …
118typedef callback0<const char *> run_script_cb; 112typedef callback0<const char *> run_script_cb;
119 113
120// run a shell script (or actually an external program). 114// run a shell script (or actually an external program).
121void run_script (const run_script_cb &cb, bool wait); 115void run_script (const run_script_cb &cb, bool wait);
122 116
117#if ENABLE_HTTP_PROXY
118u8 *base64_encode (const u8 *data, unsigned int len);
123#endif 119#endif
124 120
121/*****************************************************************************/
122
123typedef u8 rsaclear[RSA_KEYLEN - RSA_OVERHEAD]; // challenge data;
124typedef u8 rsacrypt[RSA_KEYLEN]; // encrypted challenge
125
126static inline void
127rsa_encrypt (RSA *key, const rsaclear &chg, rsacrypt &encr)
128{
129 if (RSA_public_encrypt (sizeof chg,
130 (unsigned char *)&chg, (unsigned char *)&encr,
131 key, RSA_PKCS1_OAEP_PADDING) < 0)
132 fatal ("RSA_public_encrypt error");
133}
134
135static inline bool
136rsa_decrypt (RSA *key, const rsacrypt &encr, rsaclear &chg)
137{
138 return RSA_private_decrypt (sizeof encr,
139 (unsigned char *)&encr, (unsigned char *)&chg,
140 key, RSA_PKCS1_OAEP_PADDING) > 0;
141}
142
143#endif
144

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