#ifndef _LINUX_SUNRPC_SVCAUTH_H_
#define _LINUX_SUNRPC_SVCAUTH_H_
#include <linux/string.h>
#include <linux/sunrpc/msg_prot.h>
#include <linux/sunrpc/cache.h>
#include <linux/sunrpc/gss_api.h>
#include <linux/hash.h>
#include <linux/stringhash.h>
#include <linux/cred.h>
struct svc_cred {
kuid_t cr_uid;
kgid_t cr_gid;
struct group_info *cr_group_info;
u32 cr_flavor;
char *cr_raw_principal;
char *cr_principal;
char *cr_targ_princ;
struct gss_api_mech *cr_gss_mech;
};
static inline void init_svc_cred(struct svc_cred *cred)
{
cred->cr_group_info = NULL;
cred->cr_raw_principal = NULL;
cred->cr_principal = NULL;
cred->cr_targ_princ = NULL;
cred->cr_gss_mech = NULL;
}
static inline void free_svc_cred(struct svc_cred *cred)
{
if (cred->cr_group_info)
put_group_info(cred->cr_group_info);
kfree(cred->cr_raw_principal);
kfree(cred->cr_principal);
kfree(cred->cr_targ_princ);
gss_mech_put(cred->cr_gss_mech);
init_svc_cred(cred);
}
struct svc_rqst;
struct in6_addr;
struct auth_domain {
struct kref ref;
struct hlist_node hash;
char *name;
struct auth_ops *flavour;
struct rcu_head rcu_head;
};
struct auth_ops {
char * name;
struct module *owner;
int flavour;
int (*accept)(struct svc_rqst *rq);
int (*release)(struct svc_rqst *rq);
void (*domain_release)(struct auth_domain *);
int (*set_client)(struct svc_rqst *rq);
};
#define SVC_GARBAGE 1
#define SVC_SYSERR 2
#define SVC_VALID 3
#define SVC_NEGATIVE 4
#define SVC_OK 5
#define SVC_DROP 6
#define SVC_CLOSE 7 /* Like SVC_DROP, but request is definitely
* lost so if there is a tcp connection, it
* should be closed
*/
#define SVC_DENIED 8
#define SVC_PENDING 9
#define SVC_COMPLETE 10
struct svc_xprt;
extern int svc_authenticate(struct svc_rqst *rqstp);
extern int svc_authorise(struct svc_rqst *rqstp);
extern int svc_set_client(struct svc_rqst *rqstp);
extern int svc_auth_register(rpc_authflavor_t flavor, struct auth_ops *aops);
extern void svc_auth_unregister(rpc_authflavor_t flavor);
extern struct auth_domain *unix_domain_find(char *name);
extern void auth_domain_put(struct auth_domain *item);
extern int auth_unix_add_addr(struct net *net, struct in6_addr *addr, struct auth_domain *dom);
extern struct auth_domain *auth_domain_lookup(char *name, struct auth_domain *new);
extern struct auth_domain *auth_domain_find(char *name);
extern struct auth_domain *auth_unix_lookup(struct net *net, struct in6_addr *addr);
extern int auth_unix_forget_old(struct auth_domain *dom);
extern void svcauth_unix_purge(struct net *net);
extern void svcauth_unix_info_release(struct svc_xprt *xpt);
extern int svcauth_unix_set_client(struct svc_rqst *rqstp);
extern int unix_gid_cache_create(struct net *net);
extern void unix_gid_cache_destroy(struct net *net);
static inline unsigned long hash_str(char const *name, int bits)
{
return hashlen_hash(hashlen_string(NULL, name)) >> (32 - bits);
}
static inline unsigned long hash_mem(char const *buf, int length, int bits)
{
return full_name_hash(NULL, buf, length) >> (32 - bits);
}
#endif /* _LINUX_SUNRPC_SVCAUTH_H_ */