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
44
45
46
47
48
49
|
/*
* netsniff-ng - the packet sniffing beast
* Copyright 2011 Daniel Borkmann.
* Subject to the GPL, version 2.
*/
#ifndef CT_USERMGMT_H
#define CT_USERMGMT_H
#include <stdint.h>
#include "curve.h"
#include "crypto_hash_sha512.h"
enum is_user_enum {
USERNAMES_OK = 0, /* Usernames match, valid 'token' */
USERNAMES_NE, /* Usernames do not match */
USERNAMES_TS, /* Usernames match, but 'token' invalid,
Drop connection here */
USERNAMES_ERR,
};
struct username_struct {
uint32_t salt;
uint8_t hash[crypto_hash_sha512_BYTES];
};
extern int username_msg(char *username, size_t len, char *dst, size_t dlen);
extern enum is_user_enum username_msg_is_user(char *src, size_t slen,
char *username, size_t len);
extern void parse_userfile_and_generate_user_store_or_die(char *homedir);
extern void dump_user_store(void);
extern void destroy_user_store(void);
extern int get_user_by_socket(int sock, struct curve25519_proto **proto);
extern int get_user_by_sockaddr(struct sockaddr_storage *sa, size_t sa_len,
struct curve25519_proto **proto);
extern int try_register_user_by_socket(struct curve25519_struct *c,
char *src, size_t slen, int sock,
int log);
extern int try_register_user_by_sockaddr(struct curve25519_struct *c,
char *src, size_t slen,
struct sockaddr_storage *sa,
size_t sa_len, int log);
extern void remove_user_by_socket(int sock);
extern void remove_user_by_sockaddr(struct sockaddr_storage *sa,
size_t sa_len);
#endif /* CT_USERMGMT_H */
|
