nfs_prot_svc.c (131706) | nfs_prot_svc.c (174313) |
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1/* | 1/* |
2 * Copyright (c) 1997-2004 Erez Zadok | 2 * Copyright (c) 1997-2006 Erez Zadok |
3 * Copyright (c) 1989 Jan-Simon Pendry 4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry at Imperial College, London. 10 * --- 20 unchanged lines hidden (view full) --- 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * | 3 * Copyright (c) 1989 Jan-Simon Pendry 4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry at Imperial College, London. 10 * --- 20 unchanged lines hidden (view full) --- 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * |
39 * %W% (Berkeley) %G% | |
40 * | 39 * |
41 * $Id: nfs_prot_svc.c,v 1.5.2.6 2004/01/21 04:04:58 ib42 Exp $ 42 * $FreeBSD: head/contrib/amd/amd/nfs_prot_svc.c 131706 2004-07-06 13:16:49Z mbr $ | 40 * File: am-utils/amd/nfs_prot_svc.c |
43 * 44 */ 45 46#ifdef HAVE_CONFIG_H 47# include <config.h> 48#endif /* HAVE_CONFIG_H */ 49#include <am_defs.h> 50#include <amd.h> --- 14 unchanged lines hidden (view full) --- 65extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *); 66extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *); 67extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *); 68extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *); 69extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *); 70extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *); 71 72/* global variables */ | 41 * 42 */ 43 44#ifdef HAVE_CONFIG_H 45# include <config.h> 46#endif /* HAVE_CONFIG_H */ 47#include <am_defs.h> 48#include <amd.h> --- 14 unchanged lines hidden (view full) --- 63extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *); 64extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *); 65extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *); 66extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *); 67extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *); 68extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *); 69 70/* global variables */ |
73SVCXPRT *nfs_program_2_transp; | 71SVCXPRT *current_transp; |
74 75/* typedefs */ 76typedef char *(*nfssvcproc_t)(voidp, struct svc_req *); 77 78 79void 80nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp) 81{ --- 12 unchanged lines hidden (view full) --- 94 nfscreateargs nfsproc_mkdir_2_arg; 95 nfsdiropargs fsproc_rmdir_2_arg; 96 nfsreaddirargs nfsproc_readdir_2_arg; 97 am_nfs_fh nfsproc_statfs_2_arg; 98 } argument; 99 char *result; 100 xdrproc_t xdr_argument, xdr_result; 101 nfssvcproc_t local; | 72 73/* typedefs */ 74typedef char *(*nfssvcproc_t)(voidp, struct svc_req *); 75 76 77void 78nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp) 79{ --- 12 unchanged lines hidden (view full) --- 92 nfscreateargs nfsproc_mkdir_2_arg; 93 nfsdiropargs fsproc_rmdir_2_arg; 94 nfsreaddirargs nfsproc_readdir_2_arg; 95 am_nfs_fh nfsproc_statfs_2_arg; 96 } argument; 97 char *result; 98 xdrproc_t xdr_argument, xdr_result; 99 nfssvcproc_t local; |
100 101#ifdef HAVE_TRANSPORT_TYPE_TLI 102 /* 103 * On TLI systems we don't use an INET network type, but a "ticlts" (see 104 * /etc/netconfig and conf/transp_tli.c:create_nfs_service). This means 105 * that packets could only come from the loopback interface, and we don't 106 * need to check them and filter possibly spoofed packets. Therefore we 107 * only need to check if the UID caller is correct. 108 */ 109# ifdef HAVE___RPC_GET_LOCAL_UID 110 uid_t u; 111 /* extern definition for an internal libnsl function */ 112 extern int __rpc_get_local_uid(SVCXPRT *transp, uid_t *uid); 113 if (__rpc_get_local_uid(transp, &u) >= 0 && u != 0) { 114 plog(XLOG_WARNING, "ignoring request from UID %ld, must be 0", (long) u); 115 return; 116 } 117# else /* not HAVE___RPC_GET_LOCAL_UID */ 118 dlog("cannot verify local uid for rpc request"); 119# endif /* HAVE___RPC_GET_LOCAL_UID */ 120#else /* not HAVE_TRANPORT_TYPE_TLI */ |
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102 struct sockaddr_in *sinp; 103 char dq[20], dq2[28]; | 121 struct sockaddr_in *sinp; 122 char dq[20], dq2[28]; |
104 | |
105 sinp = amu_svc_getcaller(rqstp->rq_xprt); | 123 sinp = amu_svc_getcaller(rqstp->rq_xprt); |
106#ifdef MNT2_NFS_OPT_RESVPORT | 124# ifdef MNT2_NFS_OPT_RESVPORT |
107 /* Verify that the request comes from a reserved port */ | 125 /* Verify that the request comes from a reserved port */ |
108 if ((ntohs(sinp->sin_port) >= IPPORT_RESERVED) && | 126 if (sinp && 127 ntohs(sinp->sin_port) >= IPPORT_RESERVED && |
109 !(gopt.flags & CFM_NFS_INSECURE_PORT)) { 110 plog(XLOG_WARNING, "ignoring request from %s:%u, port not reserved", | 128 !(gopt.flags & CFM_NFS_INSECURE_PORT)) { 129 plog(XLOG_WARNING, "ignoring request from %s:%u, port not reserved", |
111 inet_dquad(dq, sinp->sin_addr.s_addr), | 130 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr), |
112 ntohs(sinp->sin_port)); 113 return; 114 } | 131 ntohs(sinp->sin_port)); 132 return; 133 } |
115#endif /* MNT2_NFS_OPT_RESVPORT */ | 134# endif /* MNT2_NFS_OPT_RESVPORT */ |
116 /* if the address does not match, ignore the request */ | 135 /* if the address does not match, ignore the request */ |
117 if (sinp->sin_addr.s_addr && sinp->sin_addr.s_addr != myipaddr.s_addr) { 118 plog(XLOG_WARNING, "ignoring request from %s:%u, expected %s", 119 inet_dquad(dq, sinp->sin_addr.s_addr), 120 ntohs(sinp->sin_port), 121 inet_dquad(dq2, myipaddr.s_addr)); 122 return; | 136 if (sinp && (sinp->sin_addr.s_addr != myipaddr.s_addr)) { 137 if (gopt.flags & CFM_NFS_ANY_INTERFACE) { 138 if (!is_interface_local(sinp->sin_addr.s_addr)) { 139 plog(XLOG_WARNING, "ignoring request from %s:%u, not a local interface", 140 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr), 141 ntohs(sinp->sin_port)); 142 } 143 } else { 144 plog(XLOG_WARNING, "ignoring request from %s:%u, expected %s", 145 inet_dquad(dq, sizeof(dq), sinp->sin_addr.s_addr), 146 ntohs(sinp->sin_port), 147 inet_dquad(dq2, sizeof(dq2), myipaddr.s_addr)); 148 return; 149 } |
123 } | 150 } |
151#endif /* not HAVE_TRANPORT_TYPE_TLI */ |
|
124 | 152 |
125 nfs_program_2_transp = NULL; | 153 current_transp = NULL; |
126 127 switch (rqstp->rq_proc) { 128 129 case NFSPROC_NULL: 130 xdr_argument = (xdrproc_t) xdr_void; 131 xdr_result = (xdrproc_t) xdr_void; 132 local = (nfssvcproc_t) nfsproc_null_2_svc; 133 break; --- 20 unchanged lines hidden (view full) --- 154 xdr_argument = (xdrproc_t) xdr_diropargs; 155 xdr_result = (xdrproc_t) xdr_diropres; 156 local = (nfssvcproc_t) nfsproc_lookup_2_svc; 157 /* 158 * Cheap way to pass transp down to amfs_auto_lookuppn so it can 159 * be stored in the am_node structure and later used for 160 * quick_reply(). 161 */ | 154 155 switch (rqstp->rq_proc) { 156 157 case NFSPROC_NULL: 158 xdr_argument = (xdrproc_t) xdr_void; 159 xdr_result = (xdrproc_t) xdr_void; 160 local = (nfssvcproc_t) nfsproc_null_2_svc; 161 break; --- 20 unchanged lines hidden (view full) --- 182 xdr_argument = (xdrproc_t) xdr_diropargs; 183 xdr_result = (xdrproc_t) xdr_diropres; 184 local = (nfssvcproc_t) nfsproc_lookup_2_svc; 185 /* 186 * Cheap way to pass transp down to amfs_auto_lookuppn so it can 187 * be stored in the am_node structure and later used for 188 * quick_reply(). 189 */ |
162 nfs_program_2_transp = transp; | 190 current_transp = transp; |
163 break; 164 165 case NFSPROC_READLINK: 166 xdr_argument = (xdrproc_t) xdr_nfs_fh; 167 xdr_result = (xdrproc_t) xdr_readlinkres; 168 local = (nfssvcproc_t) nfsproc_readlink_2_svc; 169 break; 170 --- 81 unchanged lines hidden (view full) --- 252 plog(XLOG_ERROR, 253 "NFS xdr decode failed for %d %d %d", 254 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc); 255 svcerr_decode(transp); 256 return; 257 } 258 result = (*local) (&argument, rqstp); 259 | 191 break; 192 193 case NFSPROC_READLINK: 194 xdr_argument = (xdrproc_t) xdr_nfs_fh; 195 xdr_result = (xdrproc_t) xdr_readlinkres; 196 local = (nfssvcproc_t) nfsproc_readlink_2_svc; 197 break; 198 --- 81 unchanged lines hidden (view full) --- 280 plog(XLOG_ERROR, 281 "NFS xdr decode failed for %d %d %d", 282 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc); 283 svcerr_decode(transp); 284 return; 285 } 286 result = (*local) (&argument, rqstp); 287 |
260 nfs_program_2_transp = NULL; | 288 current_transp = NULL; |
261 262 if (result != NULL && !svc_sendreply(transp, 263 (XDRPROC_T_TYPE) xdr_result, 264 result)) { 265 svcerr_systemerr(transp); 266 } 267 if (!svc_freeargs(transp, 268 (XDRPROC_T_TYPE) xdr_argument, 269 (SVC_IN_ARG_TYPE) & argument)) { 270 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2"); 271 going_down(1); 272 } 273} | 289 290 if (result != NULL && !svc_sendreply(transp, 291 (XDRPROC_T_TYPE) xdr_result, 292 result)) { 293 svcerr_systemerr(transp); 294 } 295 if (!svc_freeargs(transp, 296 (XDRPROC_T_TYPE) xdr_argument, 297 (SVC_IN_ARG_TYPE) & argument)) { 298 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2"); 299 going_down(1); 300 } 301} |