summaryrefslogtreecommitdiffstats
path: root/src/include/libpq/hba.h
blob: c194d74c46048cf904e1dad3fe725b818a3a2d32 (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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*-------------------------------------------------------------------------
 *
 * hba.h
 *	  Interface to hba.c
 *
 *
 * src/include/libpq/hba.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef HBA_H
#define HBA_H

#include "libpq/pqcomm.h"	/* pgrminclude ignore */	/* needed for NetBSD */
#include "nodes/pg_list.h"
#include "regex/regex.h"


/*
 * The following enum represents the authentication methods that
 * are supported by PostgreSQL.
 *
 * Note: keep this in sync with the UserAuthName array in hba.c.
 */
typedef enum UserAuth
{
	uaReject,
	uaImplicitReject,			/* Not a user-visible option */
	uaTrust,
	uaIdent,
	uaPassword,
	uaMD5,
	uaSCRAM,
	uaGSS,
	uaSSPI,
	uaPAM,
	uaBSD,
	uaLDAP,
	uaCert,
	uaRADIUS,
	uaPeer
#define USER_AUTH_LAST uaPeer	/* Must be last value of this enum */
} UserAuth;

/*
 * Data structures representing pg_hba.conf entries
 */

typedef enum IPCompareMethod
{
	ipCmpMask,
	ipCmpSameHost,
	ipCmpSameNet,
	ipCmpAll
} IPCompareMethod;

typedef enum ConnType
{
	ctLocal,
	ctHost,
	ctHostSSL,
	ctHostNoSSL,
	ctHostGSS,
	ctHostNoGSS,
} ConnType;

typedef enum ClientCertMode
{
	clientCertOff,
	clientCertCA,
	clientCertFull
} ClientCertMode;

typedef struct HbaLine
{
	int			linenumber;
	char	   *rawline;
	ConnType	conntype;
	List	   *databases;
	List	   *roles;
	struct sockaddr_storage addr;
	struct sockaddr_storage mask;
	IPCompareMethod ip_cmp_method;
	char	   *hostname;
	UserAuth	auth_method;

	char	   *usermap;
	char	   *pamservice;
	bool		pam_use_hostname;
	bool		ldaptls;
	char	   *ldapscheme;
	char	   *ldapserver;
	int			ldapport;
	char	   *ldapbinddn;
	char	   *ldapbindpasswd;
	char	   *ldapsearchattribute;
	char	   *ldapsearchfilter;
	char	   *ldapbasedn;
	int			ldapscope;
	char	   *ldapprefix;
	char	   *ldapsuffix;
	ClientCertMode clientcert;
	char	   *krb_realm;
	bool		include_realm;
	bool		compat_realm;
	bool		upn_username;
	List	   *radiusservers;
	char	   *radiusservers_s;
	List	   *radiussecrets;
	char	   *radiussecrets_s;
	List	   *radiusidentifiers;
	char	   *radiusidentifiers_s;
	List	   *radiusports;
	char	   *radiusports_s;
	int			addrlen;		/* zero if we don't have a valid addr */
	int			masklen;		/* zero if we don't have a valid mask */
} HbaLine;

typedef struct IdentLine
{
	int			linenumber;

	char	   *usermap;
	char	   *ident_user;
	char	   *pg_role;
	regex_t		re;
} IdentLine;

/* kluge to avoid including libpq/libpq-be.h here */
typedef struct Port hbaPort;

extern bool load_hba(void);
extern bool load_ident(void);
extern void hba_getauthmethod(hbaPort *port);
extern int	check_usermap(const char *usermap_name,
						  const char *pg_role, const char *auth_user,
						  bool case_sensitive);
extern bool pg_isblank(const char c);

#endif							/* HBA_H */