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
|
/*-------------------------------------------------------------------------
*
* crypt.h
* Interface to libpq/crypt.c
*
* Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/crypt.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_CRYPT_H
#define PG_CRYPT_H
#include "datatype/timestamp.h"
/*
* Types of password hashes or secrets.
*
* Plaintext passwords can be passed in by the user, in a CREATE/ALTER USER
* command. They will be encrypted to MD5 or SCRAM-SHA-256 format, before
* storing on-disk, so only MD5 and SCRAM-SHA-256 passwords should appear
* in pg_authid.rolpassword. They are also the allowed values for the
* password_encryption GUC.
*/
typedef enum PasswordType
{
PASSWORD_TYPE_PLAINTEXT = 0,
PASSWORD_TYPE_MD5,
PASSWORD_TYPE_SCRAM_SHA_256
} PasswordType;
extern PasswordType get_password_type(const char *shadow_pass);
extern char *encrypt_password(PasswordType target_type, const char *role,
const char *password);
extern char *get_role_password(const char *role, char **logdetail);
extern int md5_crypt_verify(const char *role, const char *shadow_pass,
const char *client_pass, const char *md5_salt,
int md5_salt_len, char **logdetail);
extern int plain_crypt_verify(const char *role, const char *shadow_pass,
const char *client_pass, char **logdetail);
#endif
|
