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Diffstat (limited to 'uts/common/sys/cred.h')
| -rw-r--r-- | uts/common/sys/cred.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/uts/common/sys/cred.h b/uts/common/sys/cred.h new file mode 100644 index 000000000000..5056f9a51105 --- /dev/null +++ b/uts/common/sys/cred.h @@ -0,0 +1,193 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ +/* All Rights Reserved */ + +/* + * Portions of this source code were derived from Berkeley 4.3 BSD + * under license from the Regents of the University of California. + */ + +#ifndef _SYS_CRED_H +#define _SYS_CRED_H + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * The credential is an opaque kernel private data structure defined in + * <sys/cred_impl.h>. + */ + +typedef struct cred cred_t; + +#ifdef _KERNEL + +#define CRED() curthread->t_cred + +struct proc; /* cred.h is included in proc.h */ +struct prcred; +struct ksid; +struct ksidlist; +struct credklpd; +struct credgrp; + +struct auditinfo_addr; /* cred.h is included in audit.h */ + +extern int ngroups_max; +/* + * kcred is used when you need all privileges. + */ +extern struct cred *kcred; + +extern void cred_init(void); +extern void crhold(cred_t *); +extern void crfree(cred_t *); +extern cred_t *cralloc(void); /* all but ref uninitialized */ +extern cred_t *cralloc_ksid(void); /* cralloc() + ksid alloc'ed */ +extern cred_t *crget(void); /* initialized */ +extern cred_t *crcopy(cred_t *); +extern void crcopy_to(cred_t *, cred_t *); +extern cred_t *crdup(cred_t *); +extern void crdup_to(cred_t *, cred_t *); +extern cred_t *crgetcred(void); +extern void crset(struct proc *, cred_t *); +extern void crset_zone_privall(cred_t *); +extern int groupmember(gid_t, const cred_t *); +extern int supgroupmember(gid_t, const cred_t *); +extern int hasprocperm(const cred_t *, const cred_t *); +extern int prochasprocperm(struct proc *, struct proc *, const cred_t *); +extern int crcmp(const cred_t *, const cred_t *); +extern cred_t *zone_kcred(void); + +extern uid_t crgetuid(const cred_t *); +extern uid_t crgetruid(const cred_t *); +extern uid_t crgetsuid(const cred_t *); +extern gid_t crgetgid(const cred_t *); +extern gid_t crgetrgid(const cred_t *); +extern gid_t crgetsgid(const cred_t *); +extern zoneid_t crgetzoneid(const cred_t *); +extern projid_t crgetprojid(const cred_t *); + +extern cred_t *crgetmapped(const cred_t *); + + +extern const struct auditinfo_addr *crgetauinfo(const cred_t *); +extern struct auditinfo_addr *crgetauinfo_modifiable(cred_t *); + +extern uint_t crgetref(const cred_t *); + +extern const gid_t *crgetgroups(const cred_t *); +extern const gid_t *crgetggroups(const struct credgrp *); + +extern int crgetngroups(const cred_t *); + +/* + * Sets real, effective and/or saved uid/gid; + * -1 argument accepted as "no change". + */ +extern int crsetresuid(cred_t *, uid_t, uid_t, uid_t); +extern int crsetresgid(cred_t *, gid_t, gid_t, gid_t); + +/* + * Sets real, effective and saved uids/gids all to the same + * values. Both values must be non-negative and <= MAXUID + */ +extern int crsetugid(cred_t *, uid_t, gid_t); + +/* + * Functions to handle the supplemental group list. + */ +extern int crsetgroups(cred_t *, int, gid_t *); +extern struct credgrp *crgrpcopyin(int, gid_t *); +extern void crgrprele(struct credgrp *); +extern void crsetcredgrp(cred_t *, struct credgrp *); + +/* + * Private interface for setting zone association of credential. + */ +struct zone; +extern void crsetzone(cred_t *, struct zone *); +extern struct zone *crgetzone(const cred_t *); + +/* + * Private interface for setting project id in credential. + */ +extern void crsetprojid(cred_t *, projid_t); + +/* + * Private interface for nfs. + */ +extern cred_t *crnetadjust(cred_t *); + +/* + * Private interface for procfs. + */ +extern void cred2prcred(const cred_t *, struct prcred *); + +/* + * Private interfaces for Rampart Trusted Solaris. + */ +struct ts_label_s; +extern struct ts_label_s *crgetlabel(const cred_t *); +extern boolean_t crisremote(const cred_t *); + +/* + * Private interfaces for ephemeral uids. + */ +#define VALID_UID(id, zn) \ + ((id) <= MAXUID || valid_ephemeral_uid((zn), (id))) + +#define VALID_GID(id, zn) \ + ((id) <= MAXUID || valid_ephemeral_gid((zn), (id))) + +extern boolean_t valid_ephemeral_uid(struct zone *, uid_t); +extern boolean_t valid_ephemeral_gid(struct zone *, gid_t); + +extern int eph_uid_alloc(struct zone *, int, uid_t *, int); +extern int eph_gid_alloc(struct zone *, int, gid_t *, int); + +extern void crsetsid(cred_t *, struct ksid *, int); +extern void crsetsidlist(cred_t *, struct ksidlist *); + +extern struct ksid *crgetsid(const cred_t *, int); +extern struct ksidlist *crgetsidlist(const cred_t *); + +extern int crsetpriv(cred_t *, ...); + +extern struct credklpd *crgetcrklpd(const cred_t *); +extern void crsetcrklpd(cred_t *, struct credklpd *); + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_CRED_H */ |