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/* Copyright (C) 1996-2024 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 */