export.c (2ea2209f073dc7049bd285b4f5dbc0aa273f9746) export.c (32c1eb0cd7ee00b5eb7b6f7059c635fbc1052966)
1#define MSNFS /* HACK HACK */
2/*
3 * linux/fs/nfsd/export.c
4 *
5 * NFS exporting and validation.
6 *
7 * We maintain a list of clients, each of which has a list of
8 * exports. To export an fs to a given client, you first have

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1223 exp = exp_get_by_name(clp, ek->ek_mnt, ek->ek_dentry, reqp);
1224 cache_put(&ek->h, &svc_expkey_cache);
1225
1226 if (IS_ERR(exp))
1227 return ERR_PTR(PTR_ERR(exp));
1228 return exp;
1229}
1230
1#define MSNFS /* HACK HACK */
2/*
3 * linux/fs/nfsd/export.c
4 *
5 * NFS exporting and validation.
6 *
7 * We maintain a list of clients, each of which has a list of
8 * exports. To export an fs to a given client, you first have

--- 1214 unchanged lines hidden (view full) ---

1223 exp = exp_get_by_name(clp, ek->ek_mnt, ek->ek_dentry, reqp);
1224 cache_put(&ek->h, &svc_expkey_cache);
1225
1226 if (IS_ERR(exp))
1227 return ERR_PTR(PTR_ERR(exp));
1228 return exp;
1229}
1230
1231__be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp)
1232{
1233 struct exp_flavor_info *f;
1234 struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
1235
1236 /* legacy gss-only clients are always OK: */
1237 if (exp->ex_client == rqstp->rq_gssclient)
1238 return 0;
1239 /* ip-address based client; check sec= export option: */
1240 for (f = exp->ex_flavors; f < end; f++) {
1241 if (f->pseudoflavor == rqstp->rq_flavor)
1242 return 0;
1243 }
1244 /* defaults in absence of sec= options: */
1245 if (exp->ex_nflavors == 0) {
1246 if (rqstp->rq_flavor == RPC_AUTH_NULL ||
1247 rqstp->rq_flavor == RPC_AUTH_UNIX)
1248 return 0;
1249 }
1250 return nfserr_wrongsec;
1251}
1252
1231/*
1232 * Uses rq_client and rq_gssclient to find an export; uses rq_client (an
1233 * auth_unix client) if it's available and has secinfo information;
1234 * otherwise, will try to use rq_gssclient.
1235 *
1236 * Called from functions that handle requests; functions that do work on
1237 * behalf of mountd are passed a single client name to use, and should
1238 * use exp_get_by_name() or exp_find().

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1335 mk_fsid(FSID_NUM, fsidv, 0, 0, 0, NULL);
1336
1337 exp = rqst_exp_find(rqstp, FSID_NUM, fsidv);
1338 if (PTR_ERR(exp) == -ENOENT)
1339 return nfserr_perm;
1340 if (IS_ERR(exp))
1341 return nfserrno(PTR_ERR(exp));
1342 rv = fh_compose(fhp, exp, exp->ex_dentry, NULL);
1253/*
1254 * Uses rq_client and rq_gssclient to find an export; uses rq_client (an
1255 * auth_unix client) if it's available and has secinfo information;
1256 * otherwise, will try to use rq_gssclient.
1257 *
1258 * Called from functions that handle requests; functions that do work on
1259 * behalf of mountd are passed a single client name to use, and should
1260 * use exp_get_by_name() or exp_find().

--- 96 unchanged lines hidden (view full) ---

1357 mk_fsid(FSID_NUM, fsidv, 0, 0, 0, NULL);
1358
1359 exp = rqst_exp_find(rqstp, FSID_NUM, fsidv);
1360 if (PTR_ERR(exp) == -ENOENT)
1361 return nfserr_perm;
1362 if (IS_ERR(exp))
1363 return nfserrno(PTR_ERR(exp));
1364 rv = fh_compose(fhp, exp, exp->ex_dentry, NULL);
1365 if (rv)
1366 goto out;
1367 rv = check_nfsd_access(exp, rqstp);
1368out:
1343 exp_put(exp);
1344 return rv;
1345}
1346
1347/* Iterator */
1348
1349static void *e_start(struct seq_file *m, loff_t *pos)
1350 __acquires(svc_export_cache.hash_lock)

--- 271 unchanged lines hidden --- 		1369 exp_put(exp);
1370 return rv;
1371}
1372
1373/* Iterator */
1374
1375static void *e_start(struct seq_file *m, loff_t *pos)
1376 __acquires(svc_export_cache.hash_lock)

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