diff options
| -rw-r--r-- | include/linux/sunrpc/clnt.h | 3 | ||||
| -rw-r--r-- | include/linux/sunrpc/debug.h | 1 | ||||
| -rw-r--r-- | include/linux/sunrpc/msg_prot.h | 4 | ||||
| -rw-r--r-- | net/sunrpc/Makefile | 2 | ||||
| -rw-r--r-- | net/sunrpc/pmap_clnt.c | 386 |
5 files changed, 1 insertions, 395 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index ca75537..6661142 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -122,8 +122,6 @@ struct rpc_clnt *rpc_clone_client(struct rpc_clnt *); int rpc_shutdown_client(struct rpc_clnt *); int rpc_destroy_client(struct rpc_clnt *); void rpc_release_client(struct rpc_clnt *); -void rpc_getport(struct rpc_task *); -int rpc_register(u32, u32, int, unsigned short, int *); int rpcb_register(u32, u32, int, unsigned short, int *); void rpcb_getport(struct rpc_task *); @@ -147,7 +145,6 @@ char * rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t); /* * Helper function for NFSroot support */ -int rpc_getport_external(struct sockaddr_in *, __u32, __u32, int); int rpcb_getport_external(struct sockaddr_in *, __u32, __u32, int); #endif /* __KERNEL__ */ diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h index 707f96f..3912cf1 100644 --- a/include/linux/sunrpc/debug.h +++ b/include/linux/sunrpc/debug.h @@ -17,7 +17,6 @@ #define RPCDBG_DEBUG 0x0004 #define RPCDBG_NFS 0x0008 #define RPCDBG_AUTH 0x0010 -#define RPCDBG_PMAP 0x0020 #define RPCDBG_BIND 0x0020 #define RPCDBG_SCHED 0x0040 #define RPCDBG_TRANS 0x0080 diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h index 606cb21..784d4c3 100644 --- a/include/linux/sunrpc/msg_prot.h +++ b/include/linux/sunrpc/msg_prot.h @@ -78,10 +78,6 @@ enum rpc_auth_stat { RPCSEC_GSS_CTXPROBLEM = 14 }; -#define RPC_PMAP_PROGRAM 100000 -#define RPC_PMAP_VERSION 2 -#define RPC_PMAP_PORT 111 - #define RPC_MAXNETNAMELEN 256 /* diff --git a/net/sunrpc/Makefile b/net/sunrpc/Makefile index 3417a1e..8ebfc4d 100644 --- a/net/sunrpc/Makefile +++ b/net/sunrpc/Makefile @@ -9,7 +9,7 @@ obj-$(CONFIG_SUNRPC_GSS) += auth_gss/ sunrpc-y := clnt.o xprt.o socklib.o xprtsock.o sched.o \ auth.o auth_null.o auth_unix.o \ svc.o svcsock.o svcauth.o svcauth_unix.o \ - pmap_clnt.o rpcb_clnt.o timer.o xdr.o \ + rpcb_clnt.o timer.o xdr.o \ sunrpc_syms.o cache.o rpc_pipe.o sunrpc-$(CONFIG_PROC_FS) += stats.o sunrpc-$(CONFIG_SYSCTL) += sysctl.o diff --git a/net/sunrpc/pmap_clnt.c b/net/sunrpc/pmap_clnt.c deleted file mode 100644 index c45fc4c..0000000 --- a/net/sunrpc/pmap_clnt.c +++ /dev/null @@ -1,386 +0,0 @@ -/* - * linux/net/sunrpc/pmap_clnt.c - * - * In-kernel RPC portmapper client. - * - * Portmapper supports version 2 of the rpcbind protocol (RFC 1833). - * - * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> - */ - -#include <linux/types.h> -#include <linux/socket.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/uio.h> -#include <linux/in.h> -#include <linux/sunrpc/clnt.h> -#include <linux/sunrpc/sched.h> - -#ifdef RPC_DEBUG -# define RPCDBG_FACILITY RPCDBG_PMAP -#endif - -#define PMAP_SET 1 -#define PMAP_UNSET 2 -#define PMAP_GETPORT 3 - -struct portmap_args { - u32 pm_prog; - u32 pm_vers; - u32 pm_prot; - unsigned short pm_port; - struct rpc_xprt * pm_xprt; -}; - -static struct rpc_procinfo pmap_procedures[]; -static struct rpc_clnt * pmap_create(char *, struct sockaddr_in *, int, int); -static void pmap_getport_done(struct rpc_task *, void *); -static struct rpc_program pmap_program; - -static void pmap_getport_prepare(struct rpc_task *task, void *calldata) -{ - struct portmap_args *map = calldata; - struct rpc_message msg = { - .rpc_proc = &pmap_procedures[PMAP_GETPORT], - .rpc_argp = map, - .rpc_resp = &map->pm_port, - }; - - rpc_call_setup(task, &msg, 0); -} - -static inline struct portmap_args *pmap_map_alloc(void) -{ - return kmalloc(sizeof(struct portmap_args), GFP_NOFS); -} - -static inline void pmap_map_free(struct portmap_args *map) -{ - kfree(map); -} - -static void pmap_map_release(void *data) -{ - struct portmap_args *map = data; - - xprt_put(map->pm_xprt); - pmap_map_free(map); -} - -static const struct rpc_call_ops pmap_getport_ops = { - .rpc_call_prepare = pmap_getport_prepare, - .rpc_call_done = pmap_getport_done, - .rpc_release = pmap_map_release, -}; - -static inline void pmap_wake_portmap_waiters(struct rpc_xprt *xprt, int status) -{ - xprt_clear_binding(xprt); - rpc_wake_up_status(&xprt->binding, status); -} - -/** - * rpc_getport - obtain the port for a given RPC service on a given host - * @task: task that is waiting for portmapper request - * - * This one can be called for an ongoing RPC request, and can be used in - * an async (rpciod) context. - */ -void rpc_getport(struct rpc_task *task) -{ - struct rpc_clnt *clnt = task->tk_client; - struct rpc_xprt *xprt = task->tk_xprt; - struct sockaddr_in addr; - struct portmap_args *map; - struct rpc_clnt *pmap_clnt; - struct rpc_task *child; - int status; - - dprintk("RPC: %5u rpc_getport(%s, %u, %u, %d)\n", - task->tk_pid, clnt->cl_server, - clnt->cl_prog, clnt->cl_vers, xprt->prot); - - /* Autobind on cloned rpc clients is discouraged */ - BUG_ON(clnt->cl_parent != clnt); - - status = -EACCES; /* tell caller to check again */ - if (xprt_test_and_set_binding(xprt)) - goto bailout_nowake; - - /* Put self on queue before sending rpcbind request, in case - * pmap_getport_done completes before we return from rpc_run_task */ - rpc_sleep_on(&xprt->binding, task, NULL, NULL); - - /* Someone else may have bound if we slept */ - status = 0; - if (xprt_bound(xprt)) - goto bailout_nofree; - - status = -ENOMEM; - map = pmap_map_alloc(); - if (!map) - goto bailout_nofree; - map->pm_prog = clnt->cl_prog; - map->pm_vers = clnt->cl_vers; - map->pm_prot = xprt->prot; - map->pm_port = 0; - map->pm_xprt = xprt_get(xprt); - - rpc_peeraddr(clnt, (struct sockaddr *) &addr, sizeof(addr)); - pmap_clnt = pmap_create(clnt->cl_server, &addr, map->pm_prot, 0); - status = PTR_ERR(pmap_clnt); - if (IS_ERR(pmap_clnt)) - goto bailout; - - status = -EIO; - child = rpc_run_task(pmap_clnt, RPC_TASK_ASYNC, &pmap_getport_ops, map); - if (IS_ERR(child)) - goto bailout_nofree; - rpc_put_task(child); - - task->tk_xprt->stat.bind_count++; - return; - -bailout: - pmap_map_free(map); - xprt_put(xprt); -bailout_nofree: - pmap_wake_portmap_waiters(xprt, status); -bailout_nowake: - task->tk_status = status; -} - -#ifdef CONFIG_ROOT_NFS -/** - * rpc_getport_external - obtain the port for a given RPC service on a given host - * @sin: address of remote peer - * @prog: RPC program number to bind - * @vers: RPC version number to bind - * @prot: transport protocol to use to make this request - * - * This one is called from outside the RPC client in a synchronous task context. - */ -int rpc_getport_external(struct sockaddr_in *sin, __u32 prog, __u32 vers, int prot) -{ - struct portmap_args map = { - .pm_prog = prog, - .pm_vers = vers, - .pm_prot = prot, - .pm_port = 0 - }; - struct rpc_message msg = { - .rpc_proc = &pmap_procedures[PMAP_GETPORT], - .rpc_argp = &map, - .rpc_resp = &map.pm_port, - }; - struct rpc_clnt *pmap_clnt; - char hostname[32]; - int status; - - dprintk("RPC: rpc_getport_external(%u.%u.%u.%u, %u, %u, %d)\n", - NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot); - - sprintf(hostname, "%u.%u.%u.%u", NIPQUAD(sin->sin_addr.s_addr)); - pmap_clnt = pmap_create(hostname, sin, prot, 0); - if (IS_ERR(pmap_clnt)) - return PTR_ERR(pmap_clnt); - - /* Setup the call info struct */ - status = rpc_call_sync(pmap_clnt, &msg, 0); - - if (status >= 0) { - if (map.pm_port != 0) - return map.pm_port; - status = -EACCES; - } - return status; -} -#endif - -/* - * Portmapper child task invokes this callback via tk_exit. - */ -static void pmap_getport_done(struct rpc_task *child, void *data) -{ - struct portmap_args *map = data; - struct rpc_xprt *xprt = map->pm_xprt; - int status = child->tk_status; - - if (status < 0) { - /* Portmapper not available */ - xprt->ops->set_port(xprt, 0); - } else if (map->pm_port == 0) { - /* Requested RPC service wasn't registered */ - xprt->ops->set_port(xprt, 0); - status = -EACCES; - } else { - /* Succeeded */ - xprt->ops->set_port(xprt, map->pm_port); - xprt_set_bound(xprt); - status = 0; - } - - dprintk("RPC: %5u pmap_getport_done(status %d, port %u)\n", - child->tk_pid, status, map->pm_port); - - pmap_wake_portmap_waiters(xprt, status); -} - -/** - * rpc_register - set or unset a port registration with the local portmapper - * @prog: RPC program number to bind - * @vers: RPC version number to bind - * @prot: transport protocol to use to make this request - * @port: port value to register - * @okay: result code - * - * port == 0 means unregister, port != 0 means register. - */ -int rpc_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay) -{ - struct sockaddr_in sin = { - .sin_family = AF_INET, - .sin_addr.s_addr = htonl(INADDR_LOOPBACK), - }; - struct portmap_args map = { - .pm_prog = prog, - .pm_vers = vers, - .pm_prot = prot, - .pm_port = port, - }; - struct rpc_message msg = { - .rpc_proc = &pmap_procedures[port ? PMAP_SET : PMAP_UNSET], - .rpc_argp = &map, - .rpc_resp = okay, - }; - struct rpc_clnt *pmap_clnt; - int error = 0; - - dprintk("RPC: registering (%u, %u, %d, %u) with portmapper.\n", - prog, vers, prot, port); - - pmap_clnt = pmap_create("localhost", &sin, IPPROTO_UDP, 1); - if (IS_ERR(pmap_clnt)) { - error = PTR_ERR(pmap_clnt); - dprintk("RPC: couldn't create pmap client. Error = %d\n", - error); - return error; - } - - error = rpc_call_sync(pmap_clnt, &msg, 0); - - if (error < 0) { - printk(KERN_WARNING - "RPC: failed to contact portmap (errno %d).\n", - error); - } - dprintk("RPC: registration status %d/%d\n", error, *okay); - - /* Client deleted automatically because cl_oneshot == 1 */ - return error; -} - -static struct rpc_clnt *pmap_create(char *hostname, struct sockaddr_in *srvaddr, int proto, int privileged) -{ - struct rpc_create_args args = { - .protocol = proto, - .address = (struct sockaddr *)srvaddr, - .addrsize = sizeof(*srvaddr), - .servername = hostname, - .program = &pmap_program, - .version = RPC_PMAP_VERSION, - .authflavor = RPC_AUTH_UNIX, - .flags = (RPC_CLNT_CREATE_ONESHOT | - RPC_CLNT_CREATE_NOPING), - }; - - srvaddr->sin_port = htons(RPC_PMAP_PORT); - if (!privileged) - args.flags |= RPC_CLNT_CREATE_NONPRIVPORT; - return rpc_create(&args); -} - -/* - * XDR encode/decode functions for PMAP - */ -static int xdr_encode_mapping(struct rpc_rqst *req, __be32 *p, struct portmap_args *map) -{ - dprintk("RPC: xdr_encode_mapping(%u, %u, %u, %u)\n", - map->pm_prog, map->pm_vers, - map->pm_prot, map->pm_port); - *p++ = htonl(map->pm_prog); - *p++ = htonl(map->pm_vers); - *p++ = htonl(map->pm_prot); - *p++ = htonl(map->pm_port); - - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -static int xdr_decode_port(struct rpc_rqst *req, __be32 *p, unsigned short *portp) -{ - *portp = (unsigned short) ntohl(*p++); - return 0; -} - -static int xdr_decode_bool(struct rpc_rqst *req, __be32 *p, unsigned int *boolp) -{ - *boolp = (unsigned int) ntohl(*p++); - return 0; -} - -static struct rpc_procinfo pmap_procedures[] = { -[PMAP_SET] = { - .p_proc = PMAP_SET, - .p_encode = (kxdrproc_t) xdr_encode_mapping, - .p_decode = (kxdrproc_t) xdr_decode_bool, - .p_arglen = 4, - .p_replen = 1, - .p_count = 1, - .p_statidx = PMAP_SET, - .p_name = "SET", - }, -[PMAP_UNSET] = { - .p_proc = PMAP_UNSET, - .p_encode = (kxdrproc_t) xdr_encode_mapping, - .p_decode = (kxdrproc_t) xdr_decode_bool, - .p_arglen = 4, - .p_replen = 1, - .p_count = 1, - .p_statidx = PMAP_UNSET, - .p_name = "UNSET", - }, -[PMAP_GETPORT] = { - .p_proc = PMAP_GETPORT, - .p_encode = (kxdrproc_t) xdr_encode_mapping, - .p_decode = (kxdrproc_t) xdr_decode_port, - .p_arglen = 4, - .p_replen = 1, - .p_count = 1, - .p_statidx = PMAP_GETPORT, - .p_name = "GETPORT", - }, -}; - -static struct rpc_version pmap_version2 = { - .number = 2, - .nrprocs = 4, - .procs = pmap_procedures -}; - -static struct rpc_version * pmap_version[] = { - NULL, - NULL, - &pmap_version2 -}; - -static struct rpc_stat pmap_stats; - -static struct rpc_program pmap_program = { - .name = "portmap", - .number = RPC_PMAP_PROGRAM, - .nrvers = ARRAY_SIZE(pmap_version), - .version = pmap_version, - .stats = &pmap_stats, -}; |
