Differential D18393 Diff 52049 head/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c

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head/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c

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struct svc_rpc_gss_cookedcred {		struct svc_rpc_gss_cookedcred {
struct svc_rpc_gss_client *cc_client;		struct svc_rpc_gss_client *cc_client;
rpc_gss_service_t cc_service;		rpc_gss_service_t cc_service;
uint32_t cc_seq;		uint32_t cc_seq;
};		};

#define CLIENT_HASH_SIZE 256		#define CLIENT_HASH_SIZE 256
#define CLIENT_MAX 128		#define CLIENT_MAX 128
		u_int svc_rpc_gss_client_max = CLIENT_MAX;

		SYSCTL_NODE(_kern, OID_AUTO, rpc, CTLFLAG_RW, 0, "RPC");
		SYSCTL_NODE(_kern_rpc, OID_AUTO, gss, CTLFLAG_RW, 0, "GSS");

		SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, client_max, CTLFLAG_RW,
		&svc_rpc_gss_client_max, 0,
		"Max number of rpc-gss clients");

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

struct svc_rpc_gss_client_list svc_rpc_gss_client_hash[CLIENT_HASH_SIZE];		struct svc_rpc_gss_client_list svc_rpc_gss_client_hash[CLIENT_HASH_SIZE];
struct svc_rpc_gss_client_list svc_rpc_gss_clients;		struct svc_rpc_gss_client_list svc_rpc_gss_clients;
static size_t svc_rpc_gss_client_count;
static uint32_t svc_rpc_gss_next_clientid = 1;		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;

for (i = 0; i < CLIENT_HASH_SIZE; i++)		for (i = 0; i < CLIENT_HASH_SIZE; i++)
▲ Show 20 Lines • Show All 479 Lines • ▼ Show 20 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(&svc_rpc_gss_clients, svc_rpc_gss_client_list);
while (svc_rpc_gss_client_count > 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(&svc_rpc_gss_clients,
svc_rpc_gss_client_list);		svc_rpc_gss_client_list);
}		}
again:		again:
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