Differential D37888 Diff 115394 sys/rpc/rpcsec_gss/svc_rpcsec_gss.c

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sys/rpc/rpcsec_gss/svc_rpcsec_gss.c

Show First 20 Lines • Show All 75 Lines • ▼ Show 20 Lines
#include <sys/mbuf.h>		#include <sys/mbuf.h>
#include <sys/mutex.h>		#include <sys/mutex.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/sx.h>		#include <sys/sx.h>
#include <sys/ucred.h>		#include <sys/ucred.h>

#include <rpc/rpc.h>		#include <rpc/rpc.h>
#include <rpc/rpcsec_gss.h>		#include <rpc/rpcsec_gss.h>
		#include <rpc/krpc.h>

#include "rpcsec_gss_int.h"		#include "rpcsec_gss_int.h"

static bool_t svc_rpc_gss_wrap(SVCAUTH , struct mbuf *);		static bool_t svc_rpc_gss_wrap(SVCAUTH , struct mbuf *);
static bool_t svc_rpc_gss_unwrap(SVCAUTH , struct mbuf *);		static bool_t svc_rpc_gss_unwrap(SVCAUTH , struct mbuf *);
static void svc_rpc_gss_release(SVCAUTH *);		static void svc_rpc_gss_release(SVCAUTH *);
static enum auth_stat svc_rpc_gss(struct svc_req , struct rpc_msg );		static enum auth_stat svc_rpc_gss(struct svc_req , struct rpc_msg );
static int rpc_gss_svc_getcred(struct svc_req , struct ucred , int );		static int rpc_gss_svc_getcred(struct svc_req , struct ucred , int );

static const struct svc_auth_ops svc_auth_gss_ops = {		static const struct svc_auth_ops svc_auth_gss_ops = {
.svc_ah_wrap = svc_rpc_gss_wrap,		.svc_ah_wrap = svc_rpc_gss_wrap,
.svc_ah_unwrap = svc_rpc_gss_unwrap,		.svc_ah_unwrap = svc_rpc_gss_unwrap,
.svc_ah_release = svc_rpc_gss_release,		.svc_ah_release = svc_rpc_gss_release,
};		};

struct sx svc_rpc_gss_lock;		struct sx svc_rpc_gss_lock;

struct svc_rpc_gss_callback {		struct svc_rpc_gss_callback {
SLIST_ENTRY(svc_rpc_gss_callback) cb_link;		SLIST_ENTRY(svc_rpc_gss_callback) cb_link;
rpc_gss_callback_t cb_callback;		rpc_gss_callback_t cb_callback;
};		};
static SLIST_HEAD(svc_rpc_gss_callback_list, svc_rpc_gss_callback)		SLIST_HEAD(svc_rpc_gss_callback_list, svc_rpc_gss_callback);
svc_rpc_gss_callbacks = SLIST_HEAD_INITIALIZER(svc_rpc_gss_callbacks);		KGSS_VNET_DEFINE_STATIC(struct svc_rpc_gss_callback_list,
		svc_rpc_gss_callbacks) = SLIST_HEAD_INITIALIZER(svc_rpc_gss_callbacks);

struct svc_rpc_gss_svc_name {		struct svc_rpc_gss_svc_name {
SLIST_ENTRY(svc_rpc_gss_svc_name) sn_link;		SLIST_ENTRY(svc_rpc_gss_svc_name) sn_link;
char *sn_principal;		char *sn_principal;
gss_OID sn_mech;		gss_OID sn_mech;
u_int sn_req_time;		u_int sn_req_time;
gss_cred_id_t sn_cred;		gss_cred_id_t sn_cred;
u_int sn_program;		u_int sn_program;
u_int sn_version;		u_int sn_version;
};		};
static SLIST_HEAD(svc_rpc_gss_svc_name_list, svc_rpc_gss_svc_name)		SLIST_HEAD(svc_rpc_gss_svc_name_list, svc_rpc_gss_svc_name);
svc_rpc_gss_svc_names = SLIST_HEAD_INITIALIZER(svc_rpc_gss_svc_names);		KGSS_VNET_DEFINE_STATIC(struct svc_rpc_gss_svc_name_list,
		svc_rpc_gss_svc_names) = SLIST_HEAD_INITIALIZER(svc_rpc_gss_svc_names);

enum svc_rpc_gss_client_state {		enum svc_rpc_gss_client_state {
CLIENT_NEW, /* still authenticating */		CLIENT_NEW, /* still authenticating */
CLIENT_ESTABLISHED, /* context established */		CLIENT_ESTABLISHED, /* context established */
CLIENT_STALE /* garbage to collect */		CLIENT_STALE /* garbage to collect */
};		};

#define SVC_RPC_GSS_SEQWINDOW 128		#define SVC_RPC_GSS_SEQWINDOW 128
▲ Show 20 Lines • Show All 65 Lines • ▼ Show 20 Lines	SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, lifetime_max, CTLFLAG_RW,
&svc_rpc_gss_lifetime_max, 0,		&svc_rpc_gss_lifetime_max, 0,
"Maximum lifetime (seconds) of rpc-gss clients");		"Maximum lifetime (seconds) of rpc-gss clients");

static u_int svc_rpc_gss_client_count;		static u_int svc_rpc_gss_client_count;
SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, client_count, CTLFLAG_RD,		SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, client_count, CTLFLAG_RD,
&svc_rpc_gss_client_count, 0,		&svc_rpc_gss_client_count, 0,
"Number of rpc-gss clients");		"Number of rpc-gss clients");

struct svc_rpc_gss_client_list *svc_rpc_gss_client_hash;		KGSS_VNET_DEFINE(struct svc_rpc_gss_client_list *, svc_rpc_gss_client_hash);
struct svc_rpc_gss_client_list svc_rpc_gss_clients;		KGSS_VNET_DEFINE(struct svc_rpc_gss_client_list, svc_rpc_gss_clients);
static uint32_t svc_rpc_gss_next_clientid = 1;		KGSS_VNET_DEFINE_STATIC(uint32_t, svc_rpc_gss_next_clientid) = 1;

static void		static void
svc_rpc_gss_init(void *arg)		svc_rpc_gss_init(void *arg)
{		{
int i;		int i;

svc_rpc_gss_client_hash = mem_alloc(sizeof(struct svc_rpc_gss_client_list) * svc_rpc_gss_client_hash_size);		KGSS_VNET(svc_rpc_gss_client_hash) = mem_alloc(
		sizeof(struct svc_rpc_gss_client_list) *
		svc_rpc_gss_client_hash_size);
for (i = 0; i < svc_rpc_gss_client_hash_size; i++)		for (i = 0; i < svc_rpc_gss_client_hash_size; i++)
TAILQ_INIT(&svc_rpc_gss_client_hash[i]);		TAILQ_INIT(&KGSS_VNET(svc_rpc_gss_client_hash)[i]);
TAILQ_INIT(&svc_rpc_gss_clients);		TAILQ_INIT(&KGSS_VNET(svc_rpc_gss_clients));
		if (IS_DEFAULT_VNET(curvnet)) {
svc_auth_reg(RPCSEC_GSS, svc_rpc_gss, rpc_gss_svc_getcred);		svc_auth_reg(RPCSEC_GSS, svc_rpc_gss, rpc_gss_svc_getcred);
sx_init(&svc_rpc_gss_lock, "gsslock");		sx_init(&svc_rpc_gss_lock, "gsslock");
}		}
SYSINIT(svc_rpc_gss_init, SI_SUB_KMEM, SI_ORDER_ANY, svc_rpc_gss_init, NULL);		}
		VNET_SYSINIT(svc_rpc_gss_init, SI_SUB_VNET_DONE, SI_ORDER_ANY,
		svc_rpc_gss_init, NULL);

		#ifdef VNET_NFSD
		/* Osd entry for prison cleanup. */
		int
		rpcgss_prison_cleanup(void obj, void data __unused)
		{
		struct prison *pr = obj;

		if ((pr->pr_flags & PR_VNET) == 0)
		return (0);
		KGSS_CURVNET_SET(pr->pr_vnet);
		free(KGSS_VNET(svc_rpc_gss_client_hash), M_RPC);
		KGSS_CURVNET_RESTORE();
		return (0);
		}
		#endif

bool_t		bool_t
rpc_gss_set_callback(rpc_gss_callback_t *cb)		rpc_gss_set_callback(rpc_gss_callback_t *cb)
{		{
struct svc_rpc_gss_callback *scb;		struct svc_rpc_gss_callback *scb;

scb = mem_alloc(sizeof(struct svc_rpc_gss_callback));		scb = mem_alloc(sizeof(struct svc_rpc_gss_callback));
if (!scb) {		if (!scb) {
_rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOMEM);		_rpc_gss_set_error(RPC_GSS_ER_SYSTEMERROR, ENOMEM);
return (FALSE);		return (FALSE);
}		}
scb->cb_callback = *cb;		scb->cb_callback = *cb;
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
SLIST_INSERT_HEAD(&svc_rpc_gss_callbacks, scb, cb_link);		SLIST_INSERT_HEAD(&KGSS_VNET(svc_rpc_gss_callbacks), scb, cb_link);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);

return (TRUE);		return (TRUE);
}		}

void		void
rpc_gss_clear_callback(rpc_gss_callback_t *cb)		rpc_gss_clear_callback(rpc_gss_callback_t *cb)
{		{
struct svc_rpc_gss_callback *scb;		struct svc_rpc_gss_callback *scb;

sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
SLIST_FOREACH(scb, &svc_rpc_gss_callbacks, cb_link) {		SLIST_FOREACH(scb, &KGSS_VNET(svc_rpc_gss_callbacks), cb_link) {
if (scb->cb_callback.program == cb->program		if (scb->cb_callback.program == cb->program
&& scb->cb_callback.version == cb->version		&& scb->cb_callback.version == cb->version
&& scb->cb_callback.callback == cb->callback) {		&& scb->cb_callback.callback == cb->callback) {
SLIST_REMOVE(&svc_rpc_gss_callbacks, scb,		SLIST_REMOVE(&KGSS_VNET(svc_rpc_gss_callbacks), scb,
svc_rpc_gss_callback, cb_link);		svc_rpc_gss_callback, cb_link);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
mem_free(scb, sizeof(*scb));		mem_free(scb, sizeof(*scb));
return;		return;
}		}
}		}
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
}		}
▲ Show 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	rpc_gss_set_svc_name(const char principal, const char mechanism,

if (!rpc_gss_acquire_svc_cred(sname)) {		if (!rpc_gss_acquire_svc_cred(sname)) {
free(sname->sn_principal, M_RPC);		free(sname->sn_principal, M_RPC);
mem_free(sname, sizeof(*sname));		mem_free(sname, sizeof(*sname));
return (FALSE);		return (FALSE);
}		}

sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
SLIST_INSERT_HEAD(&svc_rpc_gss_svc_names, sname, sn_link);		SLIST_INSERT_HEAD(&KGSS_VNET(svc_rpc_gss_svc_names), sname, sn_link);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);

return (TRUE);		return (TRUE);
}		}

void		void
rpc_gss_clear_svc_name(u_int program, u_int version)		rpc_gss_clear_svc_name(u_int program, u_int version)
{		{
OM_uint32 min_stat;		OM_uint32 min_stat;
struct svc_rpc_gss_svc_name *sname;		struct svc_rpc_gss_svc_name *sname;

sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
SLIST_FOREACH(sname, &svc_rpc_gss_svc_names, sn_link) {		SLIST_FOREACH(sname, &KGSS_VNET(svc_rpc_gss_svc_names), sn_link) {
if (sname->sn_program == program		if (sname->sn_program == program
&& sname->sn_version == version) {		&& sname->sn_version == version) {
SLIST_REMOVE(&svc_rpc_gss_svc_names, sname,		SLIST_REMOVE(&KGSS_VNET(svc_rpc_gss_svc_names), sname,
svc_rpc_gss_svc_name, sn_link);		svc_rpc_gss_svc_name, sn_link);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
gss_release_cred(&min_stat, &sname->sn_cred);		gss_release_cred(&min_stat, &sname->sn_cred);
free(sname->sn_principal, M_RPC);		free(sname->sn_principal, M_RPC);
mem_free(sname, sizeof(*sname));		mem_free(sname, sizeof(*sname));
return;		return;
}		}
}		}
▲ Show 20 Lines • Show All 201 Lines • ▼ Show 20 Lines	svc_rpc_gss_find_client(struct svc_rpc_gss_clientid *id)

rpc_gss_log_debug("in svc_rpc_gss_find_client(%d)", id->ci_id);		rpc_gss_log_debug("in svc_rpc_gss_find_client(%d)", id->ci_id);

getcredhostid(curthread->td_ucred, &hostid);		getcredhostid(curthread->td_ucred, &hostid);
getboottime(&boottime);		getboottime(&boottime);
if (id->ci_hostid != hostid \|\| id->ci_boottime != boottime.tv_sec)		if (id->ci_hostid != hostid \|\| id->ci_boottime != boottime.tv_sec)
return (NULL);		return (NULL);

list = &svc_rpc_gss_client_hash[id->ci_id % svc_rpc_gss_client_hash_size];		list = &KGSS_VNET(svc_rpc_gss_client_hash)
		[id->ci_id % svc_rpc_gss_client_hash_size];
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
TAILQ_FOREACH(client, list, cl_link) {		TAILQ_FOREACH(client, list, cl_link) {
if (client->cl_id.ci_id == id->ci_id) {		if (client->cl_id.ci_id == id->ci_id) {
/*		/*
* Move this client to the front of the LRU		* Move this client to the front of the LRU
* list.		* list.
*/		*/
TAILQ_REMOVE(&svc_rpc_gss_clients, client, cl_alllink);		TAILQ_REMOVE(&KGSS_VNET(svc_rpc_gss_clients), client,
TAILQ_INSERT_HEAD(&svc_rpc_gss_clients, client,
cl_alllink);		cl_alllink);
		TAILQ_INSERT_HEAD(&KGSS_VNET(svc_rpc_gss_clients),
		client, cl_alllink);
refcount_acquire(&client->cl_refs);		refcount_acquire(&client->cl_refs);
break;		break;
}		}
}		}
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);

return (client);		return (client);
}		}
Show All 16 Lines	svc_rpc_gss_create_client(void)
* and the other to hold onto the client structure until it expires.		* and the other to hold onto the client structure until it expires.
*/		*/
refcount_init(&client->cl_refs, 2);		refcount_init(&client->cl_refs, 2);
sx_init(&client->cl_lock, "GSS-client");		sx_init(&client->cl_lock, "GSS-client");
getcredhostid(curthread->td_ucred, &hostid);		getcredhostid(curthread->td_ucred, &hostid);
client->cl_id.ci_hostid = hostid;		client->cl_id.ci_hostid = hostid;
getboottime(&boottime);		getboottime(&boottime);
client->cl_id.ci_boottime = boottime.tv_sec;		client->cl_id.ci_boottime = boottime.tv_sec;
client->cl_id.ci_id = svc_rpc_gss_next_clientid++;		client->cl_id.ci_id = KGSS_VNET(svc_rpc_gss_next_clientid)++;

/*		/*
* Start the client off with a short expiration time. We will		* Start the client off with a short expiration time. We will
* try to get a saner value from the client creds later.		* try to get a saner value from the client creds later.
*/		*/
client->cl_state = CLIENT_NEW;		client->cl_state = CLIENT_NEW;
client->cl_locked = FALSE;		client->cl_locked = FALSE;
client->cl_expiration = time_uptime + 5*60;		client->cl_expiration = time_uptime + 5*60;

list = &svc_rpc_gss_client_hash[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];		list = &KGSS_VNET(svc_rpc_gss_client_hash)
		[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
TAILQ_INSERT_HEAD(list, client, cl_link);		TAILQ_INSERT_HEAD(list, client, cl_link);
TAILQ_INSERT_HEAD(&svc_rpc_gss_clients, client, cl_alllink);		TAILQ_INSERT_HEAD(&KGSS_VNET(svc_rpc_gss_clients), client, cl_alllink);
svc_rpc_gss_client_count++;		svc_rpc_gss_client_count++;
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
return (client);		return (client);
}		}

static void		static void
svc_rpc_gss_destroy_client(struct svc_rpc_gss_client *client)		svc_rpc_gss_destroy_client(struct svc_rpc_gss_client *client)
{		{
Show All 37 Lines
* Must be called with svc_rpc_gss_lock held.		* Must be called with svc_rpc_gss_lock held.
*/		*/
static void		static void
svc_rpc_gss_forget_client_locked(struct svc_rpc_gss_client *client)		svc_rpc_gss_forget_client_locked(struct svc_rpc_gss_client *client)
{		{
struct svc_rpc_gss_client_list *list;		struct svc_rpc_gss_client_list *list;

sx_assert(&svc_rpc_gss_lock, SX_XLOCKED);		sx_assert(&svc_rpc_gss_lock, SX_XLOCKED);
list = &svc_rpc_gss_client_hash[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];		list = &KGSS_VNET(svc_rpc_gss_client_hash)
		[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];
TAILQ_REMOVE(list, client, cl_link);		TAILQ_REMOVE(list, client, cl_link);
TAILQ_REMOVE(&svc_rpc_gss_clients, client, cl_alllink);		TAILQ_REMOVE(&KGSS_VNET(svc_rpc_gss_clients), client, cl_alllink);
svc_rpc_gss_client_count--;		svc_rpc_gss_client_count--;
}		}

/*		/*
* Remove a client from our global lists and free it if we can.		* Remove a client from our global lists and free it if we can.
*/		*/
static void		static void
svc_rpc_gss_forget_client(struct svc_rpc_gss_client *client)		svc_rpc_gss_forget_client(struct svc_rpc_gss_client *client)
{		{
struct svc_rpc_gss_client_list *list;		struct svc_rpc_gss_client_list *list;
struct svc_rpc_gss_client *tclient;		struct svc_rpc_gss_client *tclient;

list = &svc_rpc_gss_client_hash[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];		list = &KGSS_VNET(svc_rpc_gss_client_hash)
		[client->cl_id.ci_id % svc_rpc_gss_client_hash_size];
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
TAILQ_FOREACH(tclient, list, cl_link) {		TAILQ_FOREACH(tclient, list, cl_link) {
/*		/*
* Make sure this client has not already been removed		* Make sure this client has not already been removed
* from the lists by svc_rpc_gss_forget_client() or		* from the lists by svc_rpc_gss_forget_client() or
* svc_rpc_gss_forget_client_locked().		* svc_rpc_gss_forget_client_locked().
*/		*/
if (client == tclient) {		if (client == tclient) {
Show All 14 Lines	svc_rpc_gss_timeout_clients(void)

rpc_gss_log_debug("in svc_rpc_gss_timeout_clients()");		rpc_gss_log_debug("in svc_rpc_gss_timeout_clients()");

/*		/*
* First enforce the max client limit. We keep		* First enforce the max client limit. We keep
* svc_rpc_gss_clients in LRU order.		* svc_rpc_gss_clients in LRU order.
*/		*/
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
client = TAILQ_LAST(&svc_rpc_gss_clients, svc_rpc_gss_client_list);		client = TAILQ_LAST(&KGSS_VNET(svc_rpc_gss_clients),
		svc_rpc_gss_client_list);
while (svc_rpc_gss_client_count > svc_rpc_gss_client_max && client != NULL) {		while (svc_rpc_gss_client_count > svc_rpc_gss_client_max && client != NULL) {
svc_rpc_gss_forget_client_locked(client);		svc_rpc_gss_forget_client_locked(client);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
svc_rpc_gss_release_client(client);		svc_rpc_gss_release_client(client);
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
client = TAILQ_LAST(&svc_rpc_gss_clients,		client = TAILQ_LAST(&KGSS_VNET(svc_rpc_gss_clients),
svc_rpc_gss_client_list);		svc_rpc_gss_client_list);
}		}
again:		again:
TAILQ_FOREACH(client, &svc_rpc_gss_clients, cl_alllink) {		TAILQ_FOREACH(client, &KGSS_VNET(svc_rpc_gss_clients), cl_alllink) {
if (client->cl_state == CLIENT_STALE		if (client->cl_state == CLIENT_STALE
\|\| now > client->cl_expiration) {		\|\| now > client->cl_expiration) {
svc_rpc_gss_forget_client_locked(client);		svc_rpc_gss_forget_client_locked(client);
sx_xunlock(&svc_rpc_gss_lock);		sx_xunlock(&svc_rpc_gss_lock);
rpc_gss_log_debug("expiring client %p", client);		rpc_gss_log_debug("expiring client %p", client);
svc_rpc_gss_release_client(client);		svc_rpc_gss_release_client(client);
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
goto again;		goto again;
▲ Show 20 Lines • Show All 152 Lines • ▼ Show 20 Lines	svc_rpc_gss_accept_sec_context(struct svc_rpc_gss_client *client,
}		}

/*		/*
* First time round, try all the server names we have until		* First time round, try all the server names we have until
* one matches. Afterwards, stick with that one.		* one matches. Afterwards, stick with that one.
*/		*/
sx_xlock(&svc_rpc_gss_lock);		sx_xlock(&svc_rpc_gss_lock);
if (!client->cl_sname) {		if (!client->cl_sname) {
SLIST_FOREACH(sname, &svc_rpc_gss_svc_names, sn_link) {		SLIST_FOREACH(sname, &KGSS_VNET(svc_rpc_gss_svc_names),
		sn_link) {
if (sname->sn_program == rqst->rq_prog		if (sname->sn_program == rqst->rq_prog
&& sname->sn_version == rqst->rq_vers) {		&& sname->sn_version == rqst->rq_vers) {
retry:		retry:
gr->gr_major = gss_accept_sec_context(		gr->gr_major = gss_accept_sec_context(
&gr->gr_minor,		&gr->gr_minor,
&client->cl_ctx,		&client->cl_ctx,
sname->sn_cred,		sname->sn_cred,
&recv_tok,		&recv_tok,
▲ Show 20 Lines • Show All 237 Lines • ▼ Show 20 Lines	svc_rpc_gss_callback(struct svc_rpc_gss_client client, struct svc_req rqst)
void *cookie;		void *cookie;
bool_t cb_res;		bool_t cb_res;
bool_t result;		bool_t result;

/*		/*
* See if we have a callback for this guy.		* See if we have a callback for this guy.
*/		*/
result = TRUE;		result = TRUE;
SLIST_FOREACH(scb, &svc_rpc_gss_callbacks, cb_link) {		SLIST_FOREACH(scb, &KGSS_VNET(svc_rpc_gss_callbacks), cb_link) {
if (scb->cb_callback.program == rqst->rq_prog		if (scb->cb_callback.program == rqst->rq_prog
&& scb->cb_callback.version == rqst->rq_vers) {		&& scb->cb_callback.version == rqst->rq_vers) {
/*		/*
* This one matches. Call the callback and see		* This one matches. Call the callback and see
* if it wants to veto or something.		* if it wants to veto or something.
*/		*/
lock.locked = FALSE;		lock.locked = FALSE;
lock.raw_cred = &client->cl_rawcred;		lock.raw_cred = &client->cl_rawcred;
▲ Show 20 Lines • Show All 436 Lines • Show Last 20 Lines