diff options
Diffstat (limited to 'contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind/rpcb_svc_4.c')
-rw-r--r-- | contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind/rpcb_svc_4.c | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind/rpcb_svc_4.c b/contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind/rpcb_svc_4.c new file mode 100644 index 0000000..c4e8edb --- /dev/null +++ b/contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind/rpcb_svc_4.c @@ -0,0 +1,455 @@ +/* $NetBSD: rpcb_svc_4.c,v 1.2 2011/09/16 16:13:18 plunky Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* #ident "@(#)rpcb_svc_4.c 1.8 93/07/05 SMI" */ + +/* + * rpcb_svc_4.c + * The server procedure for the version 4 rpcbind. + * + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <rpc/rpc.h> +#include <stdio.h> +#include <unistd.h> +#include <netconfig.h> +#include <syslog.h> +#include <string.h> +#include <stdlib.h> +#include "rpcbind.h" + +static void *rpcbproc_getaddr_4_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); +static void *rpcbproc_getversaddr_4_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); +static void *rpcbproc_getaddrlist_4_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); +static void free_rpcb_entry_list(rpcb_entry_list_ptr *); +static void *rpcbproc_dump_4_local(void *, struct svc_req *, SVCXPRT *, + rpcvers_t); + +/* + * Called by svc_getreqset. There is a separate server handle for + * every transport that it waits on. + */ +void +rpcb_service_4(struct svc_req *rqstp, SVCXPRT *transp) +{ + union { + rpcb rpcbproc_set_4_arg; + rpcb rpcbproc_unset_4_arg; + rpcb rpcbproc_getaddr_4_local_arg; + char *rpcbproc_uaddr2taddr_4_arg; + struct netbuf rpcbproc_taddr2uaddr_4_arg; + } argument; + char *result; + xdrproc_t xdr_argument, xdr_result; + void *(*local)(void *, struct svc_req *, SVCXPRT *, rpcvers_t); + + rpcbs_procinfo(RPCBVERS_4_STAT, rqstp->rq_proc); + + switch (rqstp->rq_proc) { + case NULLPROC: + /* + * Null proc call + */ +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_NULL\n"); +#endif + check_access(transp, rqstp->rq_proc, NULL, RPCBVERS4); + (void) svc_sendreply(transp, (xdrproc_t) xdr_void, NULL); + return; + + case RPCBPROC_SET: + /* + * Check to see whether the message came from + * loopback transports (for security reasons) + */ + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_bool; + local = rpcbproc_set_com; + break; + + case RPCBPROC_UNSET: + /* + * Check to see whether the message came from + * loopback transports (for security reasons) + */ + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_bool; + local = rpcbproc_unset_com; + break; + + case RPCBPROC_GETADDR: + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_wrapstring; + local = rpcbproc_getaddr_4_local; + break; + + case RPCBPROC_GETVERSADDR: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_GETVERSADDR\n"); +#endif + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_wrapstring; + local = rpcbproc_getversaddr_4_local; + break; + + case RPCBPROC_DUMP: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_DUMP\n"); +#endif + xdr_argument = (xdrproc_t)xdr_void; + xdr_result = (xdrproc_t)xdr_rpcblist_ptr; + local = rpcbproc_dump_4_local; + break; + + case RPCBPROC_INDIRECT: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_INDIRECT\n"); +#endif + rpcbproc_callit_com(rqstp, transp, rqstp->rq_proc, RPCBVERS4); + return; + +/* case RPCBPROC_CALLIT: */ + case RPCBPROC_BCAST: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_BCAST\n"); +#endif + rpcbproc_callit_com(rqstp, transp, rqstp->rq_proc, RPCBVERS4); + return; + + case RPCBPROC_GETTIME: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_GETTIME\n"); +#endif + xdr_argument = (xdrproc_t)xdr_void; + xdr_result = (xdrproc_t)xdr_u_long; + local = rpcbproc_gettime_com; + break; + + case RPCBPROC_UADDR2TADDR: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_UADDR2TADDR\n"); +#endif + xdr_argument = (xdrproc_t)xdr_wrapstring; + xdr_result = (xdrproc_t)xdr_netbuf; + local = rpcbproc_uaddr2taddr_com; + break; + + case RPCBPROC_TADDR2UADDR: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_TADDR2UADDR\n"); +#endif + xdr_argument = (xdrproc_t)xdr_netbuf; + xdr_result = (xdrproc_t)xdr_wrapstring; + local = rpcbproc_taddr2uaddr_com; + break; + + case RPCBPROC_GETADDRLIST: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_GETADDRLIST\n"); +#endif + xdr_argument = (xdrproc_t)xdr_rpcb; + xdr_result = (xdrproc_t)xdr_rpcb_entry_list_ptr; + local = rpcbproc_getaddrlist_4_local; + break; + + case RPCBPROC_GETSTAT: +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "RPCBPROC_GETSTAT\n"); +#endif + xdr_argument = (xdrproc_t)xdr_void; + xdr_result = (xdrproc_t)xdr_rpcb_stat_byvers; + local = rpcbproc_getstat; + break; + + default: + svcerr_noproc(transp); + return; + } + memset((char *)&argument, 0, sizeof (argument)); + if (!svc_getargs(transp, (xdrproc_t) xdr_argument, + (char *)&argument)) { + svcerr_decode(transp); + if (debugging) + (void) fprintf(stderr, "rpcbind: could not decode\n"); + return; + } + if (!check_access(transp, rqstp->rq_proc, &argument, RPCBVERS4)) { + svcerr_weakauth(transp); + goto done; + } + result = (*local)(&argument, rqstp, transp, RPCBVERS4); + if (result != NULL && !svc_sendreply(transp, (xdrproc_t) xdr_result, + result)) { + svcerr_systemerr(transp); + if (debugging) { + (void) fprintf(stderr, "rpcbind: svc_sendreply\n"); + if (doabort) { + rpcbind_abort(); + } + } + } +done: + if (!svc_freeargs(transp, (xdrproc_t) xdr_argument, + (char *)&argument)) { + if (debugging) { + (void) fprintf(stderr, "unable to free arguments\n"); + if (doabort) { + rpcbind_abort(); + } + } + } + return; +} + +/* + * Lookup the mapping for a program, version and return its + * address. Assuming that the caller wants the address of the + * server running on the transport on which the request came. + * Even if a service with a different version number is available, + * it will return that address. The client should check with an + * clnt_call to verify whether the service is the one that is desired. + * We also try to resolve the universal address in terms of + * address of the caller. + */ +/* ARGSUSED */ +static void * +rpcbproc_getaddr_4_local(void *arg, struct svc_req *rqstp, SVCXPRT *transp, + rpcvers_t rpcbversnum) +{ + RPCB *regp = (RPCB *)arg; +#ifdef RPCBIND_DEBUG + if (debugging) { + char *uaddr; + + uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid), + svc_getrpccaller(transp)); + fprintf(stderr, "RPCB_GETADDR req for (%lu, %lu, %s) from %s: ", + (unsigned long)regp->r_prog, (unsigned long)regp->r_vers, + regp->r_netid, uaddr); + free(uaddr); + } +#endif + return (rpcbproc_getaddr_com(regp, rqstp, transp, RPCBVERS4, + RPCB_ALLVERS)); +} + +/* + * Lookup the mapping for a program, version and return its + * address. Assuming that the caller wants the address of the + * server running on the transport on which the request came. + * + * We also try to resolve the universal address in terms of + * address of the caller. + */ +/* ARGSUSED */ +static void * +rpcbproc_getversaddr_4_local(void *arg, struct svc_req *rqstp, SVCXPRT *transp, + rpcvers_t versnum) +{ + RPCB *regp = (RPCB *)arg; +#ifdef RPCBIND_DEBUG + if (debugging) { + char *uaddr; + + uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid), + svc_getrpccaller(transp)); + fprintf(stderr, "RPCB_GETVERSADDR rqst for (%lu, %lu, %s)" + " from %s : ", + (unsigned long)regp->r_prog, (unsigned long)regp->r_vers, + regp->r_netid, uaddr); + free(uaddr); + } +#endif + return (rpcbproc_getaddr_com(regp, rqstp, transp, RPCBVERS4, + RPCB_ONEVERS)); +} + +/* + * Lookup the mapping for a program, version and return the + * addresses for all transports in the current transport family. + * We return a merged address. + */ +/* ARGSUSED */ +static void * +rpcbproc_getaddrlist_4_local(void *arg, struct svc_req *rqstp, SVCXPRT *transp, + rpcvers_t versnum) +{ + RPCB *regp = (RPCB *)arg; + static rpcb_entry_list_ptr rlist; + register rpcblist_ptr rbl; + rpcb_entry_list_ptr rp, tail = NULL; + rpcprog_t prog; + rpcvers_t vers; + rpcb_entry *a; + struct netconfig *nconf; + struct netconfig *reg_nconf; + char *saddr, *maddr = NULL; + + free_rpcb_entry_list(&rlist); + prog = regp->r_prog; + vers = regp->r_vers; + reg_nconf = rpcbind_get_conf(transp->xp_netid); + if (reg_nconf == NULL) + return (NULL); + if (*(regp->r_addr) != '\0') { + saddr = regp->r_addr; + } else { + saddr = NULL; + } +#ifdef RPCBIND_DEBUG + if (debugging) { + fprintf(stderr, "r_addr: %s r_netid: %s nc_protofmly: %s\n", + regp->r_addr, regp->r_netid, reg_nconf->nc_protofmly); + } +#endif + for (rbl = list_rbl; rbl != NULL; rbl = rbl->rpcb_next) { + if ((rbl->rpcb_map.r_prog == prog) && + (rbl->rpcb_map.r_vers == vers)) { + nconf = rpcbind_get_conf(rbl->rpcb_map.r_netid); + if (nconf == NULL) + goto fail; + if (strcmp(nconf->nc_protofmly, reg_nconf->nc_protofmly) + != 0) { + continue; /* not same proto family */ + } +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, "\tmerge with: %s\n", rbl->rpcb_map.r_addr); +#endif + if ((maddr = mergeaddr(transp, rbl->rpcb_map.r_netid, + rbl->rpcb_map.r_addr, saddr)) == NULL) { +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, " FAILED\n"); +#endif + continue; + } else if (!maddr[0]) { +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, " SUCCEEDED, but port died - maddr: nullstring\n"); +#endif + /* The server died. Unset this combination */ + delete_prog(regp->r_prog); + free(maddr); + continue; + } +#ifdef RPCBIND_DEBUG + if (debugging) + fprintf(stderr, " SUCCEEDED maddr: %s\n", maddr); +#endif + /* + * Add it to rlist. + */ + rp = (rpcb_entry_list_ptr) + malloc((u_int)sizeof (rpcb_entry_list)); + if (rp == NULL) { + free(maddr); + goto fail; + } + a = &rp->rpcb_entry_map; + a->r_maddr = maddr; + a->r_nc_netid = nconf->nc_netid; + a->r_nc_semantics = nconf->nc_semantics; + a->r_nc_protofmly = nconf->nc_protofmly; + a->r_nc_proto = nconf->nc_proto; + rp->rpcb_entry_next = NULL; + if (rlist == NULL) { + rlist = rp; + tail = rp; + } else if (tail) { + tail->rpcb_entry_next = rp; + tail = rp; + } + rp = NULL; + } + } +#ifdef RPCBIND_DEBUG + if (debugging) { + for (rp = rlist; rp; rp = rp->rpcb_entry_next) { + fprintf(stderr, "\t%s %s\n", rp->rpcb_entry_map.r_maddr, + rp->rpcb_entry_map.r_nc_proto); + } + } +#endif + /* + * XXX: getaddrlist info is also being stuffed into getaddr. + * Perhaps wrong, but better than it not getting counted at all. + */ + rpcbs_getaddr(RPCBVERS4 - 2, prog, vers, transp->xp_netid, maddr); + return (void *)&rlist; + +fail: free_rpcb_entry_list(&rlist); + return (NULL); +} + +/* + * Free only the allocated structure, rest is all a pointer to some + * other data somewhere else. + */ +static void +free_rpcb_entry_list(rpcb_entry_list_ptr *rlistp) +{ + register rpcb_entry_list_ptr rbl, tmp; + + for (rbl = *rlistp; rbl != NULL; ) { + tmp = rbl; + rbl = rbl->rpcb_entry_next; + free((char *)tmp->rpcb_entry_map.r_maddr); + free((char *)tmp); + } + *rlistp = NULL; +} + +/* ARGSUSED */ +static void * +rpcbproc_dump_4_local(void *arg, struct svc_req *req, SVCXPRT *xprt, + rpcvers_t versnum) +{ + return ((void *)&list_rbl); +} |