Preview: nss.h
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//usr/include/nss.h
/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* Define interface to NSS. This is meant for the interface functions
and for implementors of new services. */
#ifndef _NSS_H
#define _NSS_H 1
#include <features.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
__BEGIN_DECLS
/* Possible results of lookup using a nss_* function. */
enum nss_status
{
NSS_STATUS_TRYAGAIN = -2,
NSS_STATUS_UNAVAIL,
NSS_STATUS_NOTFOUND,
NSS_STATUS_SUCCESS,
NSS_STATUS_RETURN
};
/* Data structure used for the 'gethostbyname4_r' function. */
struct gaih_addrtuple
{
struct gaih_addrtuple *next;
char *name;
int family;
uint32_t addr[4];
uint32_t scopeid;
};
/* Overwrite service selection for database DBNAME using specification
in STRING.
This function should only be used by system programs which have to
work around non-existing services (e.e., while booting).
Attention: Using this function repeatedly will slowly eat up the
whole memory since previous selection data cannot be freed. */
extern int __nss_configure_lookup (const char *__dbname,
const char *__string) __THROW;
/* NSS-related types. */
struct __netgrent;
struct aliasent;
struct ether_addr;
struct etherent;
struct group;
struct hostent;
struct netent;
struct passwd;
struct protoent;
struct rpcent;
struct servent;
struct sgrp;
struct spwd;
struct traced_file;
/* Types of functions exported from NSS service modules. */
typedef enum nss_status nss_endaliasent (void);
typedef enum nss_status nss_endetherent (void);
typedef enum nss_status nss_endgrent (void);
typedef enum nss_status nss_endhostent (void);
typedef enum nss_status nss_endnetent (void);
typedef enum nss_status nss_endnetgrent (struct __netgrent *);
typedef enum nss_status nss_endprotoent (void);
typedef enum nss_status nss_endpwent (void);
typedef enum nss_status nss_endrpcent (void);
typedef enum nss_status nss_endservent (void);
typedef enum nss_status nss_endsgent (void);
typedef enum nss_status nss_endspent (void);
typedef enum nss_status nss_getaliasbyname_r (const char *, struct aliasent *,
char *, size_t, int *);
typedef enum nss_status nss_getaliasent_r (struct aliasent *,
char *, size_t, int *);
typedef enum nss_status nss_getcanonname_r (const char *, char *, size_t,
char **, int *, int *);
typedef enum nss_status nss_getetherent_r (struct etherent *,
char *, size_t, int *);
typedef enum nss_status nss_getgrent_r (struct group *, char *, size_t, int *);
typedef enum nss_status nss_getgrgid_r (__gid_t, struct group *,
char *, size_t, int *);
typedef enum nss_status nss_getgrnam_r (const char *, struct group *,
char *, size_t, int *);
typedef enum nss_status nss_gethostbyaddr2_r (const void *, __socklen_t, int,
struct hostent *, char *, size_t,
int *, int *, int32_t *);
typedef enum nss_status nss_gethostbyaddr_r (const void *, __socklen_t, int,
struct hostent *, char *, size_t,
int *, int *);
typedef enum nss_status nss_gethostbyname2_r (const char *, int,
struct hostent *, char *, size_t,
int *, int *);
typedef enum nss_status nss_gethostbyname3_r (const char *, int,
struct hostent *, char *, size_t,
int *, int *, int32_t *,
char **);
typedef enum nss_status nss_gethostbyname4_r (const char *,
struct gaih_addrtuple **,
char *, size_t,
int *, int *, int32_t *);
typedef enum nss_status nss_gethostbyname_r (const char *, struct hostent *,
char *, size_t, int *, int *);
typedef enum nss_status nss_gethostent_r (struct hostent *, char *, size_t,
int *, int *);
typedef enum nss_status nss_gethostton_r (const char *, struct etherent *,
char *, size_t, int *);
typedef enum nss_status nss_getnetbyaddr_r (uint32_t, int, struct netent *,
char *, size_t, int *, int *);
typedef enum nss_status nss_getnetbyname_r (const char *, struct netent *,
char *, size_t, int *, int *);
typedef enum nss_status nss_getnetent_r (struct netent *,
char *, size_t, int *, int *);
typedef enum nss_status nss_getnetgrent_r (struct __netgrent *,
char *, size_t, int *);
typedef enum nss_status nss_getntohost_r (const struct ether_addr *,
struct etherent *, char *, size_t,
int *);
typedef enum nss_status nss_getprotobyname_r (const char *, struct protoent *,
char *, size_t, int *);
typedef enum nss_status nss_getprotobynumber_r (int, struct protoent *,
char *, size_t, int *);
typedef enum nss_status nss_getprotoent_r (struct protoent *,
char *, size_t, int *);
typedef enum nss_status nss_getpublickey (const char *, char *, int *);
typedef enum nss_status nss_getpwent_r (struct passwd *,
char *, size_t, int *);
typedef enum nss_status nss_getpwnam_r (const char *, struct passwd *,
char *, size_t, int *);
typedef enum nss_status nss_getpwuid_r (__uid_t, struct passwd *,
char *, size_t, int *);
typedef enum nss_status nss_getrpcbyname_r (const char *, struct rpcent *,
char *, size_t, int *);
typedef enum nss_status nss_getrpcbynumber_r (int, struct rpcent *,
char *, size_t, int *);
typedef enum nss_status nss_getrpcent_r (struct rpcent *,
char *, size_t, int *);
typedef enum nss_status nss_getsecretkey (const char *, char *, char *, int *);
typedef enum nss_status nss_getservbyname_r (const char *, const char *,
struct servent *, char *, size_t,
int *);
typedef enum nss_status nss_getservbyport_r (int, const char *,
struct servent *, char *, size_t,
int *);
typedef enum nss_status nss_getservent_r (struct servent *, char *, size_t,
int *);
typedef enum nss_status nss_getsgent_r (struct sgrp *, char *, size_t, int *);
typedef enum nss_status nss_getsgnam_r (const char *, struct sgrp *,
char *, size_t, int *);
typedef enum nss_status nss_getspent_r (struct spwd *, char *, size_t, int *);
typedef enum nss_status nss_getspnam_r (const char *, struct spwd *,
char *, size_t, int *);
typedef void nss_init (void (*) (size_t, struct traced_file *));
typedef enum nss_status nss_initgroups_dyn (const char *, __gid_t, long int *,
long int *, __gid_t **, long int,
int *);
typedef enum nss_status nss_netname2user (char [], __uid_t *, __gid_t *,
int *, __gid_t *, int *);
typedef enum nss_status nss_setaliasent (void);
typedef enum nss_status nss_setetherent (int);
typedef enum nss_status nss_setgrent (int);
typedef enum nss_status nss_sethostent (int);
typedef enum nss_status nss_setnetent (int);
typedef enum nss_status nss_setnetgrent (const char *, struct __netgrent *);
typedef enum nss_status nss_setprotoent (int);
typedef enum nss_status nss_setpwent (int);
typedef enum nss_status nss_setrpcent (int);
typedef enum nss_status nss_setservent (int);
typedef enum nss_status nss_setsgent (int);
typedef enum nss_status nss_setspent (int);
/* Declare all NSS functions for MODULE. */
#define NSS_DECLARE_MODULE_FUNCTIONS(module) \
extern nss_endaliasent _nss_##module##_endaliasent; \
extern nss_endetherent _nss_##module##_endetherent; \
extern nss_endgrent _nss_##module##_endgrent; \
extern nss_endhostent _nss_##module##_endhostent; \
extern nss_endnetent _nss_##module##_endnetent; \
extern nss_endnetgrent _nss_##module##_endnetgrent; \
extern nss_endprotoent _nss_##module##_endprotoent; \
extern nss_endpwent _nss_##module##_endpwent; \
extern nss_endrpcent _nss_##module##_endrpcent; \
extern nss_endservent _nss_##module##_endservent; \
extern nss_endsgent _nss_##module##_endsgent; \
extern nss_endspent _nss_##module##_endspent; \
extern nss_getaliasbyname_r _nss_##module##_getaliasbyname_r; \
extern nss_getaliasent_r _nss_##module##_getaliasent_r; \
extern nss_getcanonname_r _nss_##module##_getcanonname_r; \
extern nss_getetherent_r _nss_##module##_getetherent_r; \
extern nss_getgrent_r _nss_##module##_getgrent_r; \
extern nss_getgrgid_r _nss_##module##_getgrgid_r; \
extern nss_getgrnam_r _nss_##module##_getgrnam_r; \
extern nss_gethostbyaddr2_r _nss_##module##_gethostbyaddr2_r; \
extern nss_gethostbyaddr_r _nss_##module##_gethostbyaddr_r; \
extern nss_gethostbyname2_r _nss_##module##_gethostbyname2_r; \
extern nss_gethostbyname3_r _nss_##module##_gethostbyname3_r; \
extern nss_gethostbyname4_r _nss_##module##_gethostbyname4_r; \
extern nss_gethostbyname_r _nss_##module##_gethostbyname_r; \
extern nss_gethostent_r _nss_##module##_gethostent_r; \
extern nss_gethostton_r _nss_##module##_gethostton_r; \
extern nss_getnetbyaddr_r _nss_##module##_getnetbyaddr_r; \
extern nss_getnetbyname_r _nss_##module##_getnetbyname_r; \
extern nss_getnetent_r _nss_##module##_getnetent_r; \
extern nss_getnetgrent_r _nss_##module##_getnetgrent_r; \
extern nss_getntohost_r _nss_##module##_getntohost_r; \
extern nss_getprotobyname_r _nss_##module##_getprotobyname_r; \
extern nss_getprotobynumber_r _nss_##module##_getprotobynumber_r; \
extern nss_getprotoent_r _nss_##module##_getprotoent_r; \
extern nss_getpublickey _nss_##module##_getpublickey; \
extern nss_getpwent_r _nss_##module##_getpwent_r; \
extern nss_getpwnam_r _nss_##module##_getpwnam_r; \
extern nss_getpwuid_r _nss_##module##_getpwuid_r; \
extern nss_getrpcbyname_r _nss_##module##_getrpcbyname_r; \
extern nss_getrpcbynumber_r _nss_##module##_getrpcbynumber_r; \
extern nss_getrpcent_r _nss_##module##_getrpcent_r; \
extern nss_getsecretkey _nss_##module##_getsecretkey; \
extern nss_getservbyname_r _nss_##module##_getservbyname_r; \
extern nss_getservbyport_r _nss_##module##_getservbyport_r; \
extern nss_getservent_r _nss_##module##_getservent_r; \
extern nss_getsgent_r _nss_##module##_getsgent_r; \
extern nss_getsgnam_r _nss_##module##_getsgnam_r; \
extern nss_getspent_r _nss_##module##_getspent_r; \
extern nss_getspnam_r _nss_##module##_getspnam_r; \
extern nss_init _nss_##module##_init; \
extern nss_initgroups_dyn _nss_##module##_initgroups_dyn; \
extern nss_netname2user _nss_##module##_netname2user; \
extern nss_setaliasent _nss_##module##_setaliasent; \
extern nss_setetherent _nss_##module##_setetherent; \
extern nss_setgrent _nss_##module##_setgrent; \
extern nss_sethostent _nss_##module##_sethostent; \
extern nss_setnetent _nss_##module##_setnetent; \
extern nss_setnetgrent _nss_##module##_setnetgrent; \
extern nss_setprotoent _nss_##module##_setprotoent; \
extern nss_setpwent _nss_##module##_setpwent; \
extern nss_setrpcent _nss_##module##_setrpcent; \
extern nss_setservent _nss_##module##_setservent; \
extern nss_setsgent _nss_##module##_setsgent; \
extern nss_setspent _nss_##module##_setspent; \
__END_DECLS
#endif /* nss.h */
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