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Comparing gvpe/src/util.h (file contents):
Revision 1.14 by pcg, Fri Mar 18 01:53:05 2005 UTC vs.
Revision 1.21 by pcg, Sat Dec 1 23:35:31 2007 UTC

16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details. 17 GNU General Public License for more details.
18 18
19 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
20 along with gvpe; if not, write to the Free Software 20 along with gvpe; if not, write to the Free Software
21 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22*/ 22*/
23 23
24#ifndef UTIL_H__ 24#ifndef UTIL_H__
25#define UTIL_H__ 25#define UTIL_H__
26 26
27#include <openssl/rsa.h> 27#include <openssl/rsa.h>
28 28
29#include "gettext.h"
30
29#include "slog.h" 31#include "slog.h"
30#include "iom.h" 32#include "ev_cpp.h"
33#include "callback.h"
34
35typedef ev_tstamp tstamp;
31 36
32/* 37/*
33 * check for an existing vped for this net, and write pid to pidfile 38 * check for an existing gvpe for this net, and write pid to pidfile
34 */ 39 */
35extern int write_pidfile (void); 40extern int write_pidfile (void);
36 41
37/* 42/*
38 * kill older vped 43 * kill older gvpe
39 */ 44 */
40extern int kill_other (int signal); 45extern int kill_other (int signal);
41 46
42/* 47/*
43 * Detach from current terminal, write pidfile, kill parent 48 * Detach from current terminal, write pidfile, kill parent
69 74
70 bool recv_ok (u32 seqno) 75 bool recv_ok (u32 seqno)
71 { 76 {
72 if (seqno <= seq - WINDOWSIZE) 77 if (seqno <= seq - WINDOWSIZE)
73 slog (L_ERR, _("received duplicate or outdated packet (received %08lx, expected %08lx)\n" 78 slog (L_ERR, _("received duplicate or outdated packet (received %08lx, expected %08lx)\n"
74 "possible replay attack, or just massive packet reordering"), seqno, seq + 1);//D 79 "possible replay attack, or just massive packet reordering"), seqno, seq + 1);
75 else if (seqno > seq + WINDOWSIZE) 80 else if (seqno > seq + WINDOWSIZE * 4)
76 slog (L_ERR, _("received duplicate or out-of-sync packet (received %08lx, expected %08lx)\n" 81 slog (L_ERR, _("received duplicate or out-of-sync packet (received %08lx, expected %08lx)\n"
77 "possible replay attack, or just massive packet loss"), seqno, seq + 1);//D 82 "possible replay attack, or just massive packet loss"), seqno, seq + 1);
78 else 83 else
79 { 84 {
80 while (seqno > seq) 85 while (seqno > seq)
81 { 86 {
82 seq++; 87 seq++;
91 u32 s = seqno % WINDOWSIZE; 96 u32 s = seqno % WINDOWSIZE;
92 u32 *cell = v + (s >> 5); 97 u32 *cell = v + (s >> 5);
93 u32 mask = 1 << (s & 31); 98 u32 mask = 1 << (s & 31);
94 99
95 if (*cell & mask) 100 if (*cell & mask)
96 {
97 slog (L_ERR, _("received duplicate packet (received %08lx, expected %08lx)\n" 101 slog (L_ERR, _("received duplicate packet (received %08lx, expected %08lx)\n"
98 "possible replay attack, or just packet duplication"), seqno, seq + 1);//D 102 "possible replay attack, or just packet duplication"), seqno, seq + 1);
99 return false;
100 }
101 else 103 else
102 { 104 {
103 *cell |= mask; 105 *cell |= mask;
104 return true; 106 return true;
105 } 107 }
106 } 108 }
109
110 return false;
107 } 111 }
108}; 112};
109 113
110typedef callback0<const char *> run_script_cb; 114typedef callback0<const char *> run_script_cb;
111 115
112// run a shell script (or actually an external program). 116// run a shell script (or actually an external program).
113void run_script (const run_script_cb &cb, bool wait); 117bool run_script (const run_script_cb &cb, bool wait);
114 118
115#if ENABLE_HTTP_PROXY 119#if ENABLE_HTTP_PROXY
116u8 *base64_encode (const u8 *data, unsigned int len); 120u8 *base64_encode (const u8 *data, unsigned int len);
117#endif 121#endif
118 122

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