diff options
Diffstat (limited to 'sys/nfsclient/nfsm_subs.h')
-rw-r--r-- | sys/nfsclient/nfsm_subs.h | 571 |
1 files changed, 112 insertions, 459 deletions
diff --git a/sys/nfsclient/nfsm_subs.h b/sys/nfsclient/nfsm_subs.h index d58ef15..47ca520 100644 --- a/sys/nfsclient/nfsm_subs.h +++ b/sys/nfsclient/nfsm_subs.h @@ -37,9 +37,12 @@ * $FreeBSD$ */ +#ifndef _NFSCLIENT_NFSM_SUBS_H_ +#define _NFSCLIENT_NFSM_SUBS_H_ -#ifndef _NFS_NFSM_SUBS_H_ -#define _NFS_NFSM_SUBS_H_ +#include <nfs/nfs_common.h> + +#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7] struct ucred; struct vnode; @@ -53,13 +56,11 @@ struct vnode; /* * First define what the actual subs. return */ -struct mbuf *nfsm_reqh __P((struct vnode *vp, u_long procid, int hsiz, - caddr_t *bposp)); -struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid, - int auth_type, int auth_len, char *auth_str, - int verf_len, char *verf_str, - struct mbuf *mrest, int mrest_len, - struct mbuf **mbp, u_int32_t *xidp)); +struct mbuf *nfsm_reqhead(struct vnode *vp, u_long procid, int hsiz); +struct mbuf *nfsm_rpchead(struct ucred *cr, int nmflag, int procid, + int auth_type, int auth_len, + struct mbuf *mrest, int mrest_len, + struct mbuf **mbp, u_int32_t *xidp); #define M_HASCL(m) ((m)->m_flags & M_EXT) #define NFSMINOFF(m) \ @@ -71,10 +72,6 @@ struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid, else \ (m)->m_data = (m)->m_dat; \ } while (0) -#define NFSMADV(m, s) \ - do { \ - (m)->m_data += (s); \ - } while (0) #define NFSMSIZ(m) ((M_HASCL(m))?MCLBYTES: \ (((m)->m_flags & M_PKTHDR)?MHLEN:MLEN)) @@ -91,474 +88,130 @@ struct mbuf *nfsm_rpchead __P((struct ucred *cr, int nmflag, int procid, * unions. */ -#define nfsm_build(a,c,s) \ - do { \ - if ((s) > M_TRAILINGSPACE(mb)) { \ - MGET(mb2, M_TRYWAIT, MT_DATA); \ - if ((s) > MLEN) \ - panic("build > MLEN"); \ - mb->m_next = mb2; \ - mb = mb2; \ - mb->m_len = 0; \ - bpos = mtod(mb, caddr_t); \ - } \ - (a) = (c)(bpos); \ - mb->m_len += (s); \ - bpos += (s); \ - } while (0) - -#define nfsm_dissect(a, c, s) \ - do { \ - t1 = mtod(md, caddr_t)+md->m_len-dpos; \ - if (t1 >= (s)) { \ - (a) = (c)(dpos); \ - dpos += (s); \ - } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } else { \ - (a) = (c)cp2; \ - } \ - } while (0) +int nfsm_fhtom_xx(struct vnode *v, int v3, u_int32_t **tl, + struct mbuf **mb, caddr_t *bpos); +int nfsm_mtofh_xx(struct vnode *d, struct vnode **v, int v3, int *f, + u_int32_t **tl, struct mbuf **md, caddr_t *dpos); +int nfsm_getfh_xx(nfsfh_t **f, int *s, int v3, u_int32_t **tl, + struct mbuf **md, caddr_t *dpos); +void nfsm_v3attrbuild_xx(struct vattr *va, int full, u_int32_t **tl, + struct mbuf **mb, caddr_t *bpos); +int nfsm_loadattr_xx(struct vnode **v, struct vattr *va, u_int32_t **tl, + struct mbuf **md, caddr_t *dpos); +int nfsm_postop_attr_xx(struct vnode **v, int *f, u_int32_t **tl, + struct mbuf **md, caddr_t *dpos); +int nfsm_wcc_data_xx(struct vnode **v, int *f, u_int32_t **tl, + struct mbuf **md, caddr_t *dpos); +int nfsm_strtom_xx(const char *a, int s, int m, u_int32_t **tl, + struct mbuf **mb, caddr_t *bpos); #define nfsm_fhtom(v, v3) \ - do { \ - if (v3) { \ - t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \ - if (t2 <= M_TRAILINGSPACE(mb)) { \ - nfsm_build(tl, u_int32_t *, t2); \ - *tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \ - *(tl + ((t2>>2) - 2)) = 0; \ - bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \ - VTONFS(v)->n_fhsize); \ - } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \ - (caddr_t)VTONFS(v)->n_fhp, \ - VTONFS(v)->n_fhsize)) != 0) { \ - error = t2; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } else { \ - nfsm_build(cp, caddr_t, NFSX_V2FH); \ - bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \ - } \ - } while (0) - -#define nfsm_srvfhtom(f, v3) \ - do { \ - if (v3) { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_V3FH);\ - *tl++ = txdr_unsigned(NFSX_V3FH); \ - bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \ - } else { \ - nfsm_build(cp, caddr_t, NFSX_V2FH); \ - bcopy((caddr_t)(f), cp, NFSX_V2FH); \ - } \ - } while (0) - -#define nfsm_srvpostop_fh(f) \ - do { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED + NFSX_V3FH); \ - *tl++ = nfs_true; \ - *tl++ = txdr_unsigned(NFSX_V3FH); \ - bcopy((caddr_t)(f), (caddr_t)tl, NFSX_V3FH); \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_fhtom_xx((v), (v3), &tl, &mb, &bpos); \ + if (t1) { \ + error = t1; \ + m_freem(mreq); \ + goto nfsmout; \ + } \ +} while (0) #define nfsm_mtofh(d, v, v3, f) \ - do { \ - struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (f) = fxdr_unsigned(int, *tl); \ - } else \ - (f) = 1; \ - if (f) { \ - nfsm_getfh(ttfhp, ttfhsize, (v3)); \ - if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \ - &ttnp)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = NFSTOV(ttnp); \ - } \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (f) \ - (f) = fxdr_unsigned(int, *tl); \ - else if (fxdr_unsigned(int, *tl)) \ - nfsm_adv(NFSX_V3FATTR); \ - } \ - if (f) \ - nfsm_loadattr((v), (struct vattr *)0); \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_mtofh_xx((d), &(v), (v3), &(f), &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + m_freem(mrep); \ + goto nfsmout; \ + } \ +} while (0) #define nfsm_getfh(f, s, v3) \ - do { \ - if (v3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \ - (s) > NFSX_V3FHMAX) { \ - m_freem(mrep); \ - error = EBADRPC; \ - goto nfsmout; \ - } \ - } else \ - (s) = NFSX_V2FH; \ - nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_getfh_xx(&(f), &(s), (v3), &tl, &md, &dpos); \ + if (t1) { \ + error = t1; \ + m_freem(mrep); \ + goto nfsmout; \ + } \ +} while (0) #define nfsm_loadattr(v, a) \ - do { \ - struct vnode *ttvp = (v); \ - if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, (a), 0)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = ttvp; \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_loadattr_xx(&v, a, &tl, &md, &dpos); \ + if (t1 != 0) { \ + error = t1; \ + m_freem(mrep); \ + goto nfsmout; \ + } \ +} while (0) #define nfsm_postop_attr(v, f) \ - do { \ - struct vnode *ttvp = (v); \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (((f) = fxdr_unsigned(int, *tl)) != 0) { \ - if ((t1 = nfs_loadattrcache(&ttvp, &md, &dpos, \ - (struct vattr *)0, 1)) != 0) { \ - error = t1; \ - (f) = 0; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - (v) = ttvp; \ - } \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_postop_attr_xx(&v, &f, &tl, &md, &dpos); \ + if (t1 != 0) { \ + error = t1; \ + m_freem(mrep); \ + goto nfsmout; \ + } \ +} while (0) /* Used as (f) for nfsm_wcc_data() */ #define NFSV3_WCCRATTR 0 #define NFSV3_WCCCHK 1 #define nfsm_wcc_data(v, f) \ - do { \ - int ttattrf, ttretf = 0; \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \ - if (f) \ - ttretf = (VTONFS(v)->n_mtime == \ - fxdr_unsigned(u_int32_t, *(tl + 2))); \ - } \ - nfsm_postop_attr((v), ttattrf); \ - if (f) { \ - (f) = ttretf; \ - } else { \ - (f) = ttattrf; \ - } \ - } while (0) +do { \ + int32_t t1; \ + t1 = nfsm_wcc_data_xx(&v, &f, &tl, &md, &dpos); \ + if (t1 != 0) { \ + error = t1; \ + m_freem(mrep); \ + goto nfsmout; \ + } \ +} while (0) /* If full is true, set all fields, otherwise just set mode and time fields */ #define nfsm_v3attrbuild(a, full) \ - do { \ - if ((a)->va_mode != (mode_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_mode); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_uid); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - *tl = txdr_unsigned((a)->va_gid); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((full) && (a)->va_size != VNOVAL) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \ - *tl++ = nfs_true; \ - txdr_hyper((a)->va_size, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = nfs_false; \ - } \ - if ((a)->va_atime.tv_sec != VNOVAL) { \ - if ((a)->va_atime.tv_sec != time_second) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);\ - *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);\ - txdr_nfsv3time(&(a)->va_atime, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \ - } \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \ - } \ - if ((a)->va_mtime.tv_sec != VNOVAL) { \ - if ((a)->va_mtime.tv_sec != time_second) { \ - nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED);\ - *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);\ - txdr_nfsv3time(&(a)->va_mtime, tl); \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \ - } \ - } else { \ - nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \ - *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \ - } \ - } while (0) - - -#define nfsm_strsiz(s,m) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > (m)) { \ - m_freem(mrep); \ - error = EBADRPC; \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_srvstrsiz(s,m) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > (m) || (s) <= 0) { \ - error = EBADRPC; \ - nfsm_reply(0); \ - } \ - } while (0) - -#define nfsm_srvnamesiz(s) \ - do { \ - nfsm_dissect(tl,u_int32_t *,NFSX_UNSIGNED); \ - if (((s) = fxdr_unsigned(int32_t,*tl)) > NFS_MAXNAMLEN) \ - error = NFSERR_NAMETOL; \ - if ((s) <= 0) \ - error = EBADRPC; \ - if (error) \ - nfsm_reply(0); \ - } while (0) - -#define nfsm_mtouio(p,s) \ - do {\ - if ((s) > 0 && \ - (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_uiotom(p,s) \ - do { \ - if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \ - error = t1; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_reqhead(v,a,s) \ - do { \ - mb = mreq = nfsm_reqh((v),(a),(s),&bpos); \ - } while (0) - -#define nfsm_reqdone \ - do { \ - m_freem(mrep); \ - nfsmout: \ - } while (0) - -#define nfsm_rndup(a) (((a)+3)&(~0x3)) +do { \ + nfsm_v3attrbuild_xx(a, full, &tl, &mb, &bpos); \ +} while(0) + +#define nfsm_uiotom(p, s) \ +do { \ + int t1; \ + t1 = nfsm_uiotombuf((p), &mb, (s), &bpos); \ + if (t1 != 0) { \ + error = t1; \ + m_freem(mreq); \ + goto nfsmout; \ + } \ +} while (0) #define nfsm_request(v, t, p, c) \ - do { \ - if ((error = nfs_request((v), mreq, (t), (p), \ - (c), &mrep, &md, &dpos)) != 0) { \ - if (error & NFSERR_RETERR) \ - error &= ~NFSERR_RETERR; \ - else \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_strtom(a,s,m) \ - do {\ - if ((s) > (m)) { \ - m_freem(mreq); \ - error = ENAMETOOLONG; \ - goto nfsmout; \ - } \ - t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \ - if (t2 <= M_TRAILINGSPACE(mb)) { \ - nfsm_build(tl,u_int32_t *,t2); \ - *tl++ = txdr_unsigned(s); \ - *(tl+((t2>>2)-2)) = 0; \ - bcopy((const char *)(a), (caddr_t)tl, (s)); \ - } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \ - error = t2; \ - m_freem(mreq); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_srvdone \ - do { \ - nfsmout: \ - return (error); \ - } while (0) - -#define nfsm_reply(s) \ - do { \ - nfsd->nd_repstat = error; \ - if (error && !(nfsd->nd_flag & ND_NFSV3)) \ - (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ - mrq, &mb, &bpos); \ +do { \ + error = nfs_request((v), mreq, (t), (p), (c), &mrep, &md, &dpos); \ + if (error != 0) { \ + if (error & NFSERR_RETERR) \ + error &= ~NFSERR_RETERR; \ else \ - (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ - mrq, &mb, &bpos); \ - if (mrep != NULL) { \ - m_freem(mrep); \ - mrep = NULL; \ - } \ - mreq = *mrq; \ - if (error && (!(nfsd->nd_flag & ND_NFSV3) || \ - error == EBADRPC)) { \ - error = 0; \ goto nfsmout; \ - } \ - } while (0) - -#define nfsm_writereply(s, v3) \ - do { \ - nfsd->nd_repstat = error; \ - if (error && !(v3)) \ - (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ - &mreq, &mb, &bpos); \ - else \ - (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ - &mreq, &mb, &bpos); \ - } while (0) - -#define nfsm_adv(s) \ - do { \ - t1 = mtod(md, caddr_t)+md->m_len-dpos; \ - if (t1 >= (s)) { \ - dpos += (s); \ - } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \ - error = t1; \ - m_freem(mrep); \ - goto nfsmout; \ - } \ - } while (0) - -#define nfsm_srvmtofh(f) \ - do { \ - int fhlen; \ - if (nfsd->nd_flag & ND_NFSV3) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - fhlen = fxdr_unsigned(int, *tl); \ - if (fhlen != 0 && fhlen != NFSX_V3FH) { \ - error = EBADRPC; \ - nfsm_reply(0); \ - } \ - } else { \ - fhlen = NFSX_V2FH; \ - } \ - if (fhlen != 0) { \ - nfsm_dissect(tl, u_int32_t *, fhlen); \ - bcopy((caddr_t)tl, (caddr_t)(f), fhlen); \ - } else {\ - bzero((caddr_t)(f), NFSX_V3FH); \ - } \ - } while (0) - -#define nfsm_clget \ - do { \ - if (bp >= be) { \ - if (mp == mb) \ - mp->m_len += bp-bpos; \ - MGET(mp, M_TRYWAIT, MT_DATA); \ - MCLGET(mp, M_TRYWAIT); \ - mp->m_len = NFSMSIZ(mp); \ - mp2->m_next = mp; \ - mp2 = mp; \ - bp = mtod(mp, caddr_t); \ - be = bp+mp->m_len; \ - } \ - tl = (u_int32_t *)bp; \ - } while (0) - -#define nfsm_srvfillattr(a, f) \ - do { \ - nfsm_srvfattr(nfsd, (a), (f)); \ - } while (0) - -#define nfsm_srvwcc_data(br, b, ar, a) \ - do { \ - nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos); \ - } while (0) - -#define nfsm_srvpostop_attr(r, a) \ - do { \ - nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos); \ - } while (0) - -#define nfsm_srvsattr(a) \ - do { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_mode = nfstov_mode(*tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_uid = fxdr_unsigned(uid_t, *tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - (a)->va_gid = fxdr_unsigned(gid_t, *tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - if (*tl == nfs_true) { \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - (a)->va_size = fxdr_hyper(tl); \ - } \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - switch (fxdr_unsigned(int, *tl)) { \ - case NFSV3SATTRTIME_TOCLIENT: \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - fxdr_nfsv3time(tl, &(a)->va_atime); \ - break; \ - case NFSV3SATTRTIME_TOSERVER: \ - getnanotime(&(a)->va_atime); \ - break; \ - }; \ - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ - switch (fxdr_unsigned(int, *tl)) { \ - case NFSV3SATTRTIME_TOCLIENT: \ - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ - fxdr_nfsv3time(tl, &(a)->va_mtime); \ - break; \ - case NFSV3SATTRTIME_TOSERVER: \ - getnanotime(&(a)->va_mtime); \ - break; \ - } \ - } while (0) + } \ +} while (0) + +#define nfsm_strtom(a, s, m) \ +do { \ + int t1; \ + t1 = nfsm_strtom_xx((a), (s), (m), &tl, &mb, &bpos); \ + if (t1 != 0) { \ + error = t1; \ + m_freem(mreq); \ + goto nfsmout; \ + } \ +} while (0) #endif |