blob: 218cd752a44a39bf2f8fa744f348580843773e6b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* File Tree Walking EntropySource
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ENTROPY_SRC_PROC_WALK_H__
#define BOTAN_ENTROPY_SRC_PROC_WALK_H__
#include <botan/entropy_src.h>
namespace Botan {
class File_Descriptor_Source
{
public:
virtual int next_fd() = 0;
virtual ~File_Descriptor_Source() {}
};
/**
* File Tree Walking Entropy Source
*/
class ProcWalking_EntropySource : public EntropySource
{
public:
std::string name() const { return "Proc Walker"; }
void poll(Entropy_Accumulator& accum);
ProcWalking_EntropySource(const std::string& root_dir) :
m_path(root_dir), m_dir(nullptr) {}
private:
const std::string m_path;
std::mutex m_mutex;
std::unique_ptr<File_Descriptor_Source> m_dir;
};
}
#endif
|