1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
| 1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
|
37 * $Id: nfsm_subs.h,v 1.21 1998/05/31 20:08:57 peter Exp $
| 37 * $Id: nfsm_subs.h,v 1.22 1998/12/25 10:34:27 dfr Exp $
|
38 */
39
40
41#ifndef _NFS_NFSM_SUBS_H_
42#define _NFS_NFSM_SUBS_H_
43
44struct ucred;
45struct vnode;
46
47/*
48 * These macros do strange and peculiar things to mbuf chains for
49 * the assistance of the nfs code. To attempt to use them for any
50 * other purpose will be dangerous. (they make weird assumptions)
51 */
52
53/*
54 * First define what the actual subs. return
55 */
56struct mbuf *nfsm_reqh __P((struct vnode *vp, u_long procid, int hsiz,
57 caddr_t *bposp));
58struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid,
59 int auth_type, int auth_len, char *auth_str,
60 int verf_len, char *verf_str,
61 struct mbuf *mrest, int mrest_len,
62 struct mbuf **mbp, u_int32_t *xidp));
63
64#define M_HASCL(m) ((m)->m_flags & M_EXT)
65#define NFSMINOFF(m) \
66 if (M_HASCL(m)) \
67 (m)->m_data = (m)->m_ext.ext_buf; \
68 else if ((m)->m_flags & M_PKTHDR) \
69 (m)->m_data = (m)->m_pktdat; \
70 else \
71 (m)->m_data = (m)->m_dat
72#define NFSMADV(m, s) (m)->m_data += (s)
73#define NFSMSIZ(m) ((M_HASCL(m))?MCLBYTES: \
74 (((m)->m_flags & M_PKTHDR)?MHLEN:MLEN))
75
76/*
77 * Now for the macros that do the simple stuff and call the functions
78 * for the hard stuff.
79 * These macros use several vars. declared in nfsm_reqhead and these
80 * vars. must not be used elsewhere unless you are careful not to corrupt
81 * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
82 * that may be used so long as the value is not expected to retained
83 * after a macro.
84 * I know, this is kind of dorkey, but it makes the actual op functions
85 * fairly clean and deals with the mess caused by the xdr discriminating
86 * unions.
87 */
88
89#define nfsm_build(a,c,s) \
90 { if ((s) > M_TRAILINGSPACE(mb)) { \
91 MGET(mb2, M_WAIT, MT_DATA); \
92 if ((s) > MLEN) \
93 panic("build > MLEN"); \
94 mb->m_next = mb2; \
95 mb = mb2; \
96 mb->m_len = 0; \
97 bpos = mtod(mb, caddr_t); \
98 } \
99 (a) = (c)(bpos); \
100 mb->m_len += (s); \
101 bpos += (s); }
102
103#define nfsm_dissect(a, c, s) \
104 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
105 if (t1 >= (s)) { \
106 (a) = (c)(dpos); \
107 dpos += (s); \
108 } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
109 error = t1; \
110 m_freem(mrep); \
111 goto nfsmout; \
112 } else { \
113 (a) = (c)cp2; \
114 } }
115
116#define nfsm_fhtom(v, v3) \
117 { if (v3) { \
118 t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \
119 if (t2 <= M_TRAILINGSPACE(mb)) { \
120 nfsm_build(tl, u_int32_t *, t2); \
121 *tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \
122 *(tl + ((t2>>2) - 2)) = 0; \
123 bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \
124 VTONFS(v)->n_fhsize); \
125 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
126 (caddr_t)VTONFS(v)->n_fhp, \
127 VTONFS(v)->n_fhsize)) != 0) { \
128 error = t2; \
129 m_freem(mreq); \
130 goto nfsmout; \
131 } \
132 } else { \
133 nfsm_build(cp, caddr_t, NFSX_V2FH); \
134 bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \
135 } }
136
137#define nfsm_srvfhtom(f, v3) \
138 { if (v3) { \
139 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_V3FH); \
140 *tl++ = txdr_unsigned(NFSX_V3FH); \
141 bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
142 } else { \
143 nfsm_build(cp, caddr_t, NFSX_V2FH); \
144 bcopy((caddr_t)(f), cp, NFSX_V2FH); \
145 } }
146
147#define nfsm_srvpostop_fh(f) \
148 { nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED + NFSX_V3FH); \
149 *tl++ = nfs_true; \
150 *tl++ = txdr_unsigned(NFSX_V3FH); \
151 bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
152 }
153
154#define nfsm_mtofh(d, v, v3, f) \
155 { struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
156 if (v3) { \
157 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
158 (f) = fxdr_unsigned(int, *tl); \
159 } else \
160 (f) = 1; \
161 if (f) { \
162 nfsm_getfh(ttfhp, ttfhsize, (v3)); \
163 if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
164 &ttnp)) != 0) { \
165 error = t1; \
166 m_freem(mrep); \
167 goto nfsmout; \
168 } \
169 (v) = NFSTOV(ttnp); \
170 } \
171 if (v3) { \
172 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
173 if (f) \
174 (f) = fxdr_unsigned(int, *tl); \
175 else if (fxdr_unsigned(int, *tl)) \
176 nfsm_adv(NFSX_V3FATTR); \
177 } \
178 if (f) \
179 nfsm_loadattr((v), (struct vattr *)0); \
180 }
181
182#define nfsm_getfh(f, s, v3) \
183 { if (v3) { \
184 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
185 if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
186 (s) > NFSX_V3FHMAX) { \
187 m_freem(mrep); \
188 error = EBADRPC; \
189 goto nfsmout; \
190 } \
191 } else \
192 (s) = NFSX_V2FH; \
193 nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
194
195#define nfsm_loadattr(v, a) \
196 { struct vnode *ttvp = (v); \
197 if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, (a))) != 0) { \
198 error = t1; \
199 m_freem(mrep); \
200 goto nfsmout; \
201 } \
202 (v) = ttvp; }
203
204#define nfsm_postop_attr(v, f) \
205 { struct vnode *ttvp = (v); \
206 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
207 if (((f) = fxdr_unsigned(int, *tl)) != 0) { \
208 if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, \
209 (struct vattr *)0)) != 0) { \
210 error = t1; \
211 (f) = 0; \
212 m_freem(mrep); \
213 goto nfsmout; \
214 } \
215 (v) = ttvp; \
216 } }
217
218/* Used as (f) for nfsm_wcc_data() */
219#define NFSV3_WCCRATTR 0
220#define NFSV3_WCCCHK 1
221
222#define nfsm_wcc_data(v, f) \
223 { int ttattrf, ttretf = 0; \
224 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
225 if (*tl == nfs_true) { \
226 nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \
227 if (f) \
228 ttretf = (VTONFS(v)->n_mtime == \
229 fxdr_unsigned(u_int32_t, *(tl + 2))); \
230 } \
231 nfsm_postop_attr((v), ttattrf); \
232 if (f) { \
233 (f) = ttretf; \
234 } else { \
235 (f) = ttattrf; \
236 } }
237
238/* If full is true, set all fields, otherwise just set mode and time fields */
239#define nfsm_v3attrbuild(a, full) \
240 { if ((a)->va_mode != (mode_t)VNOVAL) { \
241 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
242 *tl++ = nfs_true; \
243 *tl = txdr_unsigned((a)->va_mode); \
244 } else { \
245 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
246 *tl = nfs_false; \
247 } \
248 if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \
249 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
250 *tl++ = nfs_true; \
251 *tl = txdr_unsigned((a)->va_uid); \
252 } else { \
253 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
254 *tl = nfs_false; \
255 } \
256 if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \
257 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
258 *tl++ = nfs_true; \
259 *tl = txdr_unsigned((a)->va_gid); \
260 } else { \
261 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
262 *tl = nfs_false; \
263 } \
264 if ((full) && (a)->va_size != VNOVAL) { \
265 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
266 *tl++ = nfs_true; \
| 38 */
39
40
41#ifndef _NFS_NFSM_SUBS_H_
42#define _NFS_NFSM_SUBS_H_
43
44struct ucred;
45struct vnode;
46
47/*
48 * These macros do strange and peculiar things to mbuf chains for
49 * the assistance of the nfs code. To attempt to use them for any
50 * other purpose will be dangerous. (they make weird assumptions)
51 */
52
53/*
54 * First define what the actual subs. return
55 */
56struct mbuf *nfsm_reqh __P((struct vnode *vp, u_long procid, int hsiz,
57 caddr_t *bposp));
58struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid,
59 int auth_type, int auth_len, char *auth_str,
60 int verf_len, char *verf_str,
61 struct mbuf *mrest, int mrest_len,
62 struct mbuf **mbp, u_int32_t *xidp));
63
64#define M_HASCL(m) ((m)->m_flags & M_EXT)
65#define NFSMINOFF(m) \
66 if (M_HASCL(m)) \
67 (m)->m_data = (m)->m_ext.ext_buf; \
68 else if ((m)->m_flags & M_PKTHDR) \
69 (m)->m_data = (m)->m_pktdat; \
70 else \
71 (m)->m_data = (m)->m_dat
72#define NFSMADV(m, s) (m)->m_data += (s)
73#define NFSMSIZ(m) ((M_HASCL(m))?MCLBYTES: \
74 (((m)->m_flags & M_PKTHDR)?MHLEN:MLEN))
75
76/*
77 * Now for the macros that do the simple stuff and call the functions
78 * for the hard stuff.
79 * These macros use several vars. declared in nfsm_reqhead and these
80 * vars. must not be used elsewhere unless you are careful not to corrupt
81 * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
82 * that may be used so long as the value is not expected to retained
83 * after a macro.
84 * I know, this is kind of dorkey, but it makes the actual op functions
85 * fairly clean and deals with the mess caused by the xdr discriminating
86 * unions.
87 */
88
89#define nfsm_build(a,c,s) \
90 { if ((s) > M_TRAILINGSPACE(mb)) { \
91 MGET(mb2, M_WAIT, MT_DATA); \
92 if ((s) > MLEN) \
93 panic("build > MLEN"); \
94 mb->m_next = mb2; \
95 mb = mb2; \
96 mb->m_len = 0; \
97 bpos = mtod(mb, caddr_t); \
98 } \
99 (a) = (c)(bpos); \
100 mb->m_len += (s); \
101 bpos += (s); }
102
103#define nfsm_dissect(a, c, s) \
104 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
105 if (t1 >= (s)) { \
106 (a) = (c)(dpos); \
107 dpos += (s); \
108 } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
109 error = t1; \
110 m_freem(mrep); \
111 goto nfsmout; \
112 } else { \
113 (a) = (c)cp2; \
114 } }
115
116#define nfsm_fhtom(v, v3) \
117 { if (v3) { \
118 t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \
119 if (t2 <= M_TRAILINGSPACE(mb)) { \
120 nfsm_build(tl, u_int32_t *, t2); \
121 *tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \
122 *(tl + ((t2>>2) - 2)) = 0; \
123 bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \
124 VTONFS(v)->n_fhsize); \
125 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
126 (caddr_t)VTONFS(v)->n_fhp, \
127 VTONFS(v)->n_fhsize)) != 0) { \
128 error = t2; \
129 m_freem(mreq); \
130 goto nfsmout; \
131 } \
132 } else { \
133 nfsm_build(cp, caddr_t, NFSX_V2FH); \
134 bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \
135 } }
136
137#define nfsm_srvfhtom(f, v3) \
138 { if (v3) { \
139 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_V3FH); \
140 *tl++ = txdr_unsigned(NFSX_V3FH); \
141 bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
142 } else { \
143 nfsm_build(cp, caddr_t, NFSX_V2FH); \
144 bcopy((caddr_t)(f), cp, NFSX_V2FH); \
145 } }
146
147#define nfsm_srvpostop_fh(f) \
148 { nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED + NFSX_V3FH); \
149 *tl++ = nfs_true; \
150 *tl++ = txdr_unsigned(NFSX_V3FH); \
151 bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \
152 }
153
154#define nfsm_mtofh(d, v, v3, f) \
155 { struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
156 if (v3) { \
157 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
158 (f) = fxdr_unsigned(int, *tl); \
159 } else \
160 (f) = 1; \
161 if (f) { \
162 nfsm_getfh(ttfhp, ttfhsize, (v3)); \
163 if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
164 &ttnp)) != 0) { \
165 error = t1; \
166 m_freem(mrep); \
167 goto nfsmout; \
168 } \
169 (v) = NFSTOV(ttnp); \
170 } \
171 if (v3) { \
172 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
173 if (f) \
174 (f) = fxdr_unsigned(int, *tl); \
175 else if (fxdr_unsigned(int, *tl)) \
176 nfsm_adv(NFSX_V3FATTR); \
177 } \
178 if (f) \
179 nfsm_loadattr((v), (struct vattr *)0); \
180 }
181
182#define nfsm_getfh(f, s, v3) \
183 { if (v3) { \
184 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
185 if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
186 (s) > NFSX_V3FHMAX) { \
187 m_freem(mrep); \
188 error = EBADRPC; \
189 goto nfsmout; \
190 } \
191 } else \
192 (s) = NFSX_V2FH; \
193 nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
194
195#define nfsm_loadattr(v, a) \
196 { struct vnode *ttvp = (v); \
197 if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, (a))) != 0) { \
198 error = t1; \
199 m_freem(mrep); \
200 goto nfsmout; \
201 } \
202 (v) = ttvp; }
203
204#define nfsm_postop_attr(v, f) \
205 { struct vnode *ttvp = (v); \
206 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
207 if (((f) = fxdr_unsigned(int, *tl)) != 0) { \
208 if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, \
209 (struct vattr *)0)) != 0) { \
210 error = t1; \
211 (f) = 0; \
212 m_freem(mrep); \
213 goto nfsmout; \
214 } \
215 (v) = ttvp; \
216 } }
217
218/* Used as (f) for nfsm_wcc_data() */
219#define NFSV3_WCCRATTR 0
220#define NFSV3_WCCCHK 1
221
222#define nfsm_wcc_data(v, f) \
223 { int ttattrf, ttretf = 0; \
224 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
225 if (*tl == nfs_true) { \
226 nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \
227 if (f) \
228 ttretf = (VTONFS(v)->n_mtime == \
229 fxdr_unsigned(u_int32_t, *(tl + 2))); \
230 } \
231 nfsm_postop_attr((v), ttattrf); \
232 if (f) { \
233 (f) = ttretf; \
234 } else { \
235 (f) = ttattrf; \
236 } }
237
238/* If full is true, set all fields, otherwise just set mode and time fields */
239#define nfsm_v3attrbuild(a, full) \
240 { if ((a)->va_mode != (mode_t)VNOVAL) { \
241 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
242 *tl++ = nfs_true; \
243 *tl = txdr_unsigned((a)->va_mode); \
244 } else { \
245 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
246 *tl = nfs_false; \
247 } \
248 if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \
249 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
250 *tl++ = nfs_true; \
251 *tl = txdr_unsigned((a)->va_uid); \
252 } else { \
253 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
254 *tl = nfs_false; \
255 } \
256 if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \
257 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
258 *tl++ = nfs_true; \
259 *tl = txdr_unsigned((a)->va_gid); \
260 } else { \
261 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
262 *tl = nfs_false; \
263 } \
264 if ((full) && (a)->va_size != VNOVAL) { \
265 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
266 *tl++ = nfs_true; \
|
267 txdr_hyper(&(a)->va_size, tl); \
| 267 txdr_hyper((a)->va_size, tl); \
|
268 } else { \
269 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
270 *tl = nfs_false; \
271 } \
272 if ((a)->va_atime.tv_sec != VNOVAL) { \
273 if ((a)->va_atime.tv_sec != time_second) { \
274 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
275 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
276 txdr_nfsv3time(&(a)->va_atime, tl); \
277 } else { \
278 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
279 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
280 } \
281 } else { \
282 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
283 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
284 } \
285 if ((a)->va_mtime.tv_sec != VNOVAL) { \
286 if ((a)->va_mtime.tv_sec != time_second) { \
287 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
288 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
289 txdr_nfsv3time(&(a)->va_mtime, tl); \
290 } else { \
291 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
292 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
293 } \
294 } else { \
295 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
296 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
297 } \
298 }
299
300
301#define nfsm_strsiz(s,m) \
302 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
303 if (((s) = fxdr_unsigned(int32_t,*tl)) > (m)) { \
304 m_freem(mrep); \
305 error = EBADRPC; \
306 goto nfsmout; \
307 } }
308
309#define nfsm_srvstrsiz(s,m) \
310 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
311 if (((s) = fxdr_unsigned(int32_t,*tl)) > (m) || (s) <= 0) { \
312 error = EBADRPC; \
313 nfsm_reply(0); \
314 } }
315
316#define nfsm_srvnamesiz(s) \
317 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
318 if (((s) = fxdr_unsigned(int32_t,*tl)) > NFS_MAXNAMLEN) \
319 error = NFSERR_NAMETOL; \
320 if ((s) <= 0) \
321 error = EBADRPC; \
322 if (error) \
323 nfsm_reply(0); \
324 }
325
326#define nfsm_mtouio(p,s) \
327 if ((s) > 0 && \
328 (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
329 error = t1; \
330 m_freem(mrep); \
331 goto nfsmout; \
332 }
333
334#define nfsm_uiotom(p,s) \
335 if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \
336 error = t1; \
337 m_freem(mreq); \
338 goto nfsmout; \
339 }
340
341#define nfsm_reqhead(v,a,s) \
342 mb = mreq = nfsm_reqh((v),(a),(s),&bpos)
343
344#define nfsm_reqdone m_freem(mrep); \
345 nfsmout:
346
347#define nfsm_rndup(a) (((a)+3)&(~0x3))
348
349#define nfsm_request(v, t, p, c) \
350 if ((error = nfs_request((v), mreq, (t), (p), \
351 (c), &mrep, &md, &dpos)) != 0) { \
352 if (error & NFSERR_RETERR) \
353 error &= ~NFSERR_RETERR; \
354 else \
355 goto nfsmout; \
356 }
357
358#define nfsm_strtom(a,s,m) \
359 if ((s) > (m)) { \
360 m_freem(mreq); \
361 error = ENAMETOOLONG; \
362 goto nfsmout; \
363 } \
364 t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
365 if (t2 <= M_TRAILINGSPACE(mb)) { \
366 nfsm_build(tl,u_int32_t *,t2); \
367 *tl++ = txdr_unsigned(s); \
368 *(tl+((t2>>2)-2)) = 0; \
369 bcopy((const char *)(a), (caddr_t)tl, (s)); \
370 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \
371 error = t2; \
372 m_freem(mreq); \
373 goto nfsmout; \
374 }
375
376#define nfsm_srvdone \
377 nfsmout: \
378 return(error)
379
380#define nfsm_reply(s) \
381 { \
382 nfsd->nd_repstat = error; \
383 if (error && !(nfsd->nd_flag & ND_NFSV3)) \
384 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
385 mrq, &mb, &bpos); \
386 else \
387 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
388 mrq, &mb, &bpos); \
389 if (mrep != NULL) { \
390 m_freem(mrep); \
391 mrep = NULL; \
392 } \
393 mreq = *mrq; \
394 if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
395 error == EBADRPC)) \
396 return(0); \
397 }
398
399#define nfsm_writereply(s, v3) \
400 { \
401 nfsd->nd_repstat = error; \
402 if (error && !(v3)) \
403 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
404 &mreq, &mb, &bpos); \
405 else \
406 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
407 &mreq, &mb, &bpos); \
408 }
409
410#define nfsm_adv(s) \
411 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
412 if (t1 >= (s)) { \
413 dpos += (s); \
414 } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \
415 error = t1; \
416 m_freem(mrep); \
417 goto nfsmout; \
418 } }
419
420#define nfsm_srvmtofh(f) \
421 { int fhlen = NFSX_V3FH; \
422 if (nfsd->nd_flag & ND_NFSV3) { \
423 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
424 fhlen = fxdr_unsigned(int, *tl); \
425 if (fhlen == 0) { \
426 bzero((caddr_t)(f), NFSX_V3FH); \
427 } else if (fhlen != NFSX_V3FH) { \
428 error = EBADRPC; \
429 nfsm_reply(0); \
430 } \
431 } \
432 if (fhlen != 0) { \
433 nfsm_dissect(tl, u_int32_t *, NFSX_V3FH); \
434 bcopy((caddr_t)tl, (caddr_t)(f), NFSX_V3FH); \
435 if ((nfsd->nd_flag & ND_NFSV3) == 0) \
436 nfsm_adv(NFSX_V2FH - NFSX_V3FH); \
437 } \
438 }
439
440#define nfsm_clget \
441 if (bp >= be) { \
442 if (mp == mb) \
443 mp->m_len += bp-bpos; \
444 MGET(mp, M_WAIT, MT_DATA); \
445 MCLGET(mp, M_WAIT); \
446 mp->m_len = NFSMSIZ(mp); \
447 mp2->m_next = mp; \
448 mp2 = mp; \
449 bp = mtod(mp, caddr_t); \
450 be = bp+mp->m_len; \
451 } \
452 tl = (u_int32_t *)bp
453
454#define nfsm_srvfillattr(a, f) \
455 nfsm_srvfattr(nfsd, (a), (f))
456
457#define nfsm_srvwcc_data(br, b, ar, a) \
458 nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
459
460#define nfsm_srvpostop_attr(r, a) \
461 nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
462
463#define nfsm_srvsattr(a) \
464 { nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
465 if (*tl == nfs_true) { \
466 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
467 (a)->va_mode = nfstov_mode(*tl); \
468 } \
469 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
470 if (*tl == nfs_true) { \
471 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
472 (a)->va_uid = fxdr_unsigned(uid_t, *tl); \
473 } \
474 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
475 if (*tl == nfs_true) { \
476 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
477 (a)->va_gid = fxdr_unsigned(gid_t, *tl); \
478 } \
479 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
480 if (*tl == nfs_true) { \
481 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
| 268 } else { \
269 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
270 *tl = nfs_false; \
271 } \
272 if ((a)->va_atime.tv_sec != VNOVAL) { \
273 if ((a)->va_atime.tv_sec != time_second) { \
274 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
275 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
276 txdr_nfsv3time(&(a)->va_atime, tl); \
277 } else { \
278 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
279 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
280 } \
281 } else { \
282 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
283 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
284 } \
285 if ((a)->va_mtime.tv_sec != VNOVAL) { \
286 if ((a)->va_mtime.tv_sec != time_second) { \
287 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
288 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
289 txdr_nfsv3time(&(a)->va_mtime, tl); \
290 } else { \
291 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
292 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
293 } \
294 } else { \
295 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
296 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
297 } \
298 }
299
300
301#define nfsm_strsiz(s,m) \
302 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
303 if (((s) = fxdr_unsigned(int32_t,*tl)) > (m)) { \
304 m_freem(mrep); \
305 error = EBADRPC; \
306 goto nfsmout; \
307 } }
308
309#define nfsm_srvstrsiz(s,m) \
310 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
311 if (((s) = fxdr_unsigned(int32_t,*tl)) > (m) || (s) <= 0) { \
312 error = EBADRPC; \
313 nfsm_reply(0); \
314 } }
315
316#define nfsm_srvnamesiz(s) \
317 { nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \
318 if (((s) = fxdr_unsigned(int32_t,*tl)) > NFS_MAXNAMLEN) \
319 error = NFSERR_NAMETOL; \
320 if ((s) <= 0) \
321 error = EBADRPC; \
322 if (error) \
323 nfsm_reply(0); \
324 }
325
326#define nfsm_mtouio(p,s) \
327 if ((s) > 0 && \
328 (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
329 error = t1; \
330 m_freem(mrep); \
331 goto nfsmout; \
332 }
333
334#define nfsm_uiotom(p,s) \
335 if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \
336 error = t1; \
337 m_freem(mreq); \
338 goto nfsmout; \
339 }
340
341#define nfsm_reqhead(v,a,s) \
342 mb = mreq = nfsm_reqh((v),(a),(s),&bpos)
343
344#define nfsm_reqdone m_freem(mrep); \
345 nfsmout:
346
347#define nfsm_rndup(a) (((a)+3)&(~0x3))
348
349#define nfsm_request(v, t, p, c) \
350 if ((error = nfs_request((v), mreq, (t), (p), \
351 (c), &mrep, &md, &dpos)) != 0) { \
352 if (error & NFSERR_RETERR) \
353 error &= ~NFSERR_RETERR; \
354 else \
355 goto nfsmout; \
356 }
357
358#define nfsm_strtom(a,s,m) \
359 if ((s) > (m)) { \
360 m_freem(mreq); \
361 error = ENAMETOOLONG; \
362 goto nfsmout; \
363 } \
364 t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
365 if (t2 <= M_TRAILINGSPACE(mb)) { \
366 nfsm_build(tl,u_int32_t *,t2); \
367 *tl++ = txdr_unsigned(s); \
368 *(tl+((t2>>2)-2)) = 0; \
369 bcopy((const char *)(a), (caddr_t)tl, (s)); \
370 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \
371 error = t2; \
372 m_freem(mreq); \
373 goto nfsmout; \
374 }
375
376#define nfsm_srvdone \
377 nfsmout: \
378 return(error)
379
380#define nfsm_reply(s) \
381 { \
382 nfsd->nd_repstat = error; \
383 if (error && !(nfsd->nd_flag & ND_NFSV3)) \
384 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
385 mrq, &mb, &bpos); \
386 else \
387 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
388 mrq, &mb, &bpos); \
389 if (mrep != NULL) { \
390 m_freem(mrep); \
391 mrep = NULL; \
392 } \
393 mreq = *mrq; \
394 if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
395 error == EBADRPC)) \
396 return(0); \
397 }
398
399#define nfsm_writereply(s, v3) \
400 { \
401 nfsd->nd_repstat = error; \
402 if (error && !(v3)) \
403 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
404 &mreq, &mb, &bpos); \
405 else \
406 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
407 &mreq, &mb, &bpos); \
408 }
409
410#define nfsm_adv(s) \
411 { t1 = mtod(md, caddr_t)+md->m_len-dpos; \
412 if (t1 >= (s)) { \
413 dpos += (s); \
414 } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \
415 error = t1; \
416 m_freem(mrep); \
417 goto nfsmout; \
418 } }
419
420#define nfsm_srvmtofh(f) \
421 { int fhlen = NFSX_V3FH; \
422 if (nfsd->nd_flag & ND_NFSV3) { \
423 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
424 fhlen = fxdr_unsigned(int, *tl); \
425 if (fhlen == 0) { \
426 bzero((caddr_t)(f), NFSX_V3FH); \
427 } else if (fhlen != NFSX_V3FH) { \
428 error = EBADRPC; \
429 nfsm_reply(0); \
430 } \
431 } \
432 if (fhlen != 0) { \
433 nfsm_dissect(tl, u_int32_t *, NFSX_V3FH); \
434 bcopy((caddr_t)tl, (caddr_t)(f), NFSX_V3FH); \
435 if ((nfsd->nd_flag & ND_NFSV3) == 0) \
436 nfsm_adv(NFSX_V2FH - NFSX_V3FH); \
437 } \
438 }
439
440#define nfsm_clget \
441 if (bp >= be) { \
442 if (mp == mb) \
443 mp->m_len += bp-bpos; \
444 MGET(mp, M_WAIT, MT_DATA); \
445 MCLGET(mp, M_WAIT); \
446 mp->m_len = NFSMSIZ(mp); \
447 mp2->m_next = mp; \
448 mp2 = mp; \
449 bp = mtod(mp, caddr_t); \
450 be = bp+mp->m_len; \
451 } \
452 tl = (u_int32_t *)bp
453
454#define nfsm_srvfillattr(a, f) \
455 nfsm_srvfattr(nfsd, (a), (f))
456
457#define nfsm_srvwcc_data(br, b, ar, a) \
458 nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
459
460#define nfsm_srvpostop_attr(r, a) \
461 nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
462
463#define nfsm_srvsattr(a) \
464 { nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
465 if (*tl == nfs_true) { \
466 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
467 (a)->va_mode = nfstov_mode(*tl); \
468 } \
469 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
470 if (*tl == nfs_true) { \
471 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
472 (a)->va_uid = fxdr_unsigned(uid_t, *tl); \
473 } \
474 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
475 if (*tl == nfs_true) { \
476 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
477 (a)->va_gid = fxdr_unsigned(gid_t, *tl); \
478 } \
479 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
480 if (*tl == nfs_true) { \
481 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
482 fxdr_hyper(tl, &(a)->va_size); \
| 482 (a)->va_size = fxdr_hyper(tl); \
|
483 } \
484 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
485 switch (fxdr_unsigned(int, *tl)) { \
486 case NFSV3SATTRTIME_TOCLIENT: \
487 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
488 fxdr_nfsv3time(tl, &(a)->va_atime); \
489 break; \
490 case NFSV3SATTRTIME_TOSERVER: \
491 getnanotime(&(a)->va_atime); \
492 break; \
493 }; \
494 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
495 switch (fxdr_unsigned(int, *tl)) { \
496 case NFSV3SATTRTIME_TOCLIENT: \
497 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
498 fxdr_nfsv3time(tl, &(a)->va_mtime); \
499 break; \
500 case NFSV3SATTRTIME_TOSERVER: \
501 getnanotime(&(a)->va_mtime); \
502 break; \
503 }; }
504
505#endif
| 483 } \
484 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
485 switch (fxdr_unsigned(int, *tl)) { \
486 case NFSV3SATTRTIME_TOCLIENT: \
487 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
488 fxdr_nfsv3time(tl, &(a)->va_atime); \
489 break; \
490 case NFSV3SATTRTIME_TOSERVER: \
491 getnanotime(&(a)->va_atime); \
492 break; \
493 }; \
494 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
495 switch (fxdr_unsigned(int, *tl)) { \
496 case NFSV3SATTRTIME_TOCLIENT: \
497 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
498 fxdr_nfsv3time(tl, &(a)->va_mtime); \
499 break; \
500 case NFSV3SATTRTIME_TOSERVER: \
501 getnanotime(&(a)->va_mtime); \
502 break; \
503 }; }
504
505#endif
|