11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1993, 1994 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley 61541Srgrimes * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 71541Srgrimes * Support code is derived from software contributed to Berkeley 81541Srgrimes * by Atsushi Murai (amurai@spec.co.jp). 91541Srgrimes * 101541Srgrimes * Redistribution and use in source and binary forms, with or without 111541Srgrimes * modification, are permitted provided that the following conditions 121541Srgrimes * are met: 131541Srgrimes * 1. Redistributions of source code must retain the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer. 151541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161541Srgrimes * notice, this list of conditions and the following disclaimer in the 171541Srgrimes * documentation and/or other materials provided with the distribution. 181541Srgrimes * 4. Neither the name of the University nor the names of its contributors 191541Srgrimes * may be used to endorse or promote products derived from this software 201541Srgrimes * without specific prior written permission. 211541Srgrimes * 221541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321541Srgrimes * SUCH DAMAGE. 331541Srgrimes * 3422521Sdyson * @(#)cd9660_rrip.c 8.6 (Berkeley) 12/5/94 351541Srgrimes */ 361541Srgrimes 37116181Sobrien#include <sys/cdefs.h> 38116181Sobrien__FBSDID("$FreeBSD$"); 39116181Sobrien 401541Srgrimes#include <sys/param.h> 412806Sbde#include <sys/systm.h> 4260041Sphk#include <sys/bio.h> 431541Srgrimes#include <sys/buf.h> 44193066Sjamie#include <sys/jail.h> 451541Srgrimes#include <sys/vnode.h> 461541Srgrimes#include <sys/mount.h> 471541Srgrimes#include <sys/kernel.h> 481541Srgrimes 49166639Srodrigc#include <fs/cd9660/iso.h> 50166639Srodrigc#include <fs/cd9660/cd9660_node.h> 51166639Srodrigc#include <fs/cd9660/cd9660_rrip.h> 52166639Srodrigc#include <fs/cd9660/iso_rrip.h> 531541Srgrimes 5492765Salfredtypedef int rrt_func_t(void *, ISO_RRIP_ANALYZE *ana); 5512597Sbde 5612597Sbdetypedef struct { 5712597Sbde char type[2]; 5812597Sbde rrt_func_t *func; 5992765Salfred void (*func2)(struct iso_directory_record *isodir, ISO_RRIP_ANALYZE *ana); 6012597Sbde int result; 6112597Sbde} RRIP_TABLE; 6212597Sbde 6392765Salfredstatic int cd9660_rrip_altname(ISO_RRIP_ALTNAME *p, ISO_RRIP_ANALYZE *ana); 6492765Salfredstatic int cd9660_rrip_attr(ISO_RRIP_ATTR *p, ISO_RRIP_ANALYZE *ana); 6592765Salfredstatic int cd9660_rrip_cont(ISO_RRIP_CONT *p, ISO_RRIP_ANALYZE *ana); 6692765Salfredstatic void cd9660_rrip_defattr(struct iso_directory_record *isodir, 6793075Sbde ISO_RRIP_ANALYZE *ana); 6892765Salfredstatic void cd9660_rrip_defname(struct iso_directory_record *isodir, 6993075Sbde ISO_RRIP_ANALYZE *ana); 7092765Salfredstatic void cd9660_rrip_deftstamp(struct iso_directory_record *isodir, 7193075Sbde ISO_RRIP_ANALYZE *ana); 7292765Salfredstatic int cd9660_rrip_device(ISO_RRIP_DEVICE *p, ISO_RRIP_ANALYZE *ana); 7392765Salfredstatic int cd9660_rrip_extref(ISO_RRIP_EXTREF *p, ISO_RRIP_ANALYZE *ana); 7492765Salfredstatic int cd9660_rrip_idflag(ISO_RRIP_IDFLAG *p, ISO_RRIP_ANALYZE *ana); 7592765Salfredstatic int cd9660_rrip_loop(struct iso_directory_record *isodir, 7693075Sbde ISO_RRIP_ANALYZE *ana, RRIP_TABLE *table); 7792765Salfredstatic int cd9660_rrip_pclink(ISO_RRIP_CLINK *p, ISO_RRIP_ANALYZE *ana); 7892765Salfredstatic int cd9660_rrip_reldir(ISO_RRIP_RELDIR *p, ISO_RRIP_ANALYZE *ana); 7992765Salfredstatic int cd9660_rrip_slink(ISO_RRIP_SLINK *p, ISO_RRIP_ANALYZE *ana); 8092765Salfredstatic int cd9660_rrip_stop(ISO_SUSP_HEADER *p, ISO_RRIP_ANALYZE *ana); 8192765Salfredstatic int cd9660_rrip_tstamp(ISO_RRIP_TSTAMP *p, ISO_RRIP_ANALYZE *ana); 8212597Sbde 831541Srgrimes/* 841541Srgrimes * POSIX file attribute 851541Srgrimes */ 861541Srgrimesstatic int 871541Srgrimescd9660_rrip_attr(p,ana) 881541Srgrimes ISO_RRIP_ATTR *p; 891541Srgrimes ISO_RRIP_ANALYZE *ana; 901541Srgrimes{ 9122521Sdyson ana->inop->inode.iso_mode = isonum_733(p->mode); 9222521Sdyson ana->inop->inode.iso_uid = isonum_733(p->uid); 9322521Sdyson ana->inop->inode.iso_gid = isonum_733(p->gid); 9422521Sdyson ana->inop->inode.iso_links = isonum_733(p->links); 951541Srgrimes ana->fields &= ~ISO_SUSP_ATTR; 961541Srgrimes return ISO_SUSP_ATTR; 971541Srgrimes} 981541Srgrimes 991541Srgrimesstatic void 1001541Srgrimescd9660_rrip_defattr(isodir,ana) 1011541Srgrimes struct iso_directory_record *isodir; 1021541Srgrimes ISO_RRIP_ANALYZE *ana; 1031541Srgrimes{ 1041541Srgrimes /* But this is a required field! */ 1051541Srgrimes printf("RRIP without PX field?\n"); 1065651Sjoerg cd9660_defattr(isodir,ana->inop,NULL,ISO_FTYPE_RRIP); 1071541Srgrimes} 1081541Srgrimes 1091541Srgrimes/* 1101541Srgrimes * Symbolic Links 1111541Srgrimes */ 1121541Srgrimesstatic int 1131541Srgrimescd9660_rrip_slink(p,ana) 1145651Sjoerg ISO_RRIP_SLINK *p; 1151541Srgrimes ISO_RRIP_ANALYZE *ana; 1161541Srgrimes{ 117131526Sphk ISO_RRIP_SLINK_COMPONENT *pcomp; 118131526Sphk ISO_RRIP_SLINK_COMPONENT *pcompe; 1191541Srgrimes int len, wlen, cont; 1201541Srgrimes char *outbuf, *inbuf; 121193066Sjamie char hostbuf[MAXHOSTNAMELEN]; 1228876Srgrimes 1231541Srgrimes pcomp = (ISO_RRIP_SLINK_COMPONENT *)p->component; 1241541Srgrimes pcompe = (ISO_RRIP_SLINK_COMPONENT *)((char *)p + isonum_711(p->h.length)); 1251541Srgrimes len = *ana->outlen; 1261541Srgrimes outbuf = ana->outbuf; 1271541Srgrimes cont = ana->cont; 1288876Srgrimes 1291541Srgrimes /* 1301541Srgrimes * Gathering a Symbolic name from each component with path 1311541Srgrimes */ 1321541Srgrimes for (; 1331541Srgrimes pcomp < pcompe; 1341541Srgrimes pcomp = (ISO_RRIP_SLINK_COMPONENT *)((char *)pcomp + ISO_RRIP_SLSIZ 1351541Srgrimes + isonum_711(pcomp->clen))) { 1368876Srgrimes 1371541Srgrimes if (!cont) { 1381541Srgrimes if (len < ana->maxlen) { 1391541Srgrimes len++; 1401541Srgrimes *outbuf++ = '/'; 1411541Srgrimes } 1421541Srgrimes } 1431541Srgrimes cont = 0; 1448876Srgrimes 1451541Srgrimes inbuf = ".."; 1461541Srgrimes wlen = 0; 1478876Srgrimes 1481541Srgrimes switch (*pcomp->cflag) { 1498876Srgrimes 1501541Srgrimes case ISO_SUSP_CFLAG_CURRENT: 1511541Srgrimes /* Inserting Current */ 1521541Srgrimes wlen = 1; 1531541Srgrimes break; 1548876Srgrimes 1551541Srgrimes case ISO_SUSP_CFLAG_PARENT: 1561541Srgrimes /* Inserting Parent */ 1571541Srgrimes wlen = 2; 1581541Srgrimes break; 1598876Srgrimes 1601541Srgrimes case ISO_SUSP_CFLAG_ROOT: 1611541Srgrimes /* Inserting slash for ROOT */ 162156693Sjoerg /* Double slash, nothing really to do here. */ 1631541Srgrimes break; 1648876Srgrimes 1651541Srgrimes case ISO_SUSP_CFLAG_VOLROOT: 1661541Srgrimes /* Inserting a mount point i.e. "/cdrom" */ 1671541Srgrimes /* same as above */ 1681541Srgrimes outbuf -= len; 1691541Srgrimes len = 0; 1701541Srgrimes inbuf = ana->imp->im_mountp->mnt_stat.f_mntonname; 1711541Srgrimes wlen = strlen(inbuf); 1721541Srgrimes break; 1738876Srgrimes 1741541Srgrimes case ISO_SUSP_CFLAG_HOST: 1751541Srgrimes /* Inserting hostname i.e. "kurt.tools.de" */ 176193066Sjamie getcredhostname(curthread->td_ucred, hostbuf, 177193066Sjamie sizeof(hostbuf)); 178193066Sjamie inbuf = hostbuf; 179193066Sjamie wlen = strlen(inbuf); 1801541Srgrimes break; 1818876Srgrimes 1821541Srgrimes case ISO_SUSP_CFLAG_CONTINUE: 1831541Srgrimes cont = 1; 184102412Scharnier /* FALLTHROUGH */ 1851541Srgrimes case 0: 1861541Srgrimes /* Inserting component */ 1871541Srgrimes wlen = isonum_711(pcomp->clen); 1881541Srgrimes inbuf = pcomp->name; 1891541Srgrimes break; 1901541Srgrimes default: 1911541Srgrimes printf("RRIP with incorrect flags?"); 1921541Srgrimes wlen = ana->maxlen + 1; 1931541Srgrimes break; 1941541Srgrimes } 1958876Srgrimes 1961541Srgrimes if (len + wlen > ana->maxlen) { 1971541Srgrimes /* indicate error to caller */ 1981541Srgrimes ana->cont = 1; 1991541Srgrimes ana->fields = 0; 2001541Srgrimes ana->outbuf -= *ana->outlen; 2011541Srgrimes *ana->outlen = 0; 2021541Srgrimes return 0; 2031541Srgrimes } 2048876Srgrimes 2051541Srgrimes bcopy(inbuf,outbuf,wlen); 2061541Srgrimes outbuf += wlen; 2071541Srgrimes len += wlen; 2088876Srgrimes 2091541Srgrimes } 2101541Srgrimes ana->outbuf = outbuf; 2111541Srgrimes *ana->outlen = len; 2121541Srgrimes ana->cont = cont; 2138876Srgrimes 2141541Srgrimes if (!isonum_711(p->flags)) { 2151541Srgrimes ana->fields &= ~ISO_SUSP_SLINK; 2161541Srgrimes return ISO_SUSP_SLINK; 2171541Srgrimes } 2181541Srgrimes return 0; 2191541Srgrimes} 2201541Srgrimes 2211541Srgrimes/* 2221541Srgrimes * Alternate name 2231541Srgrimes */ 2241541Srgrimesstatic int 2251541Srgrimescd9660_rrip_altname(p,ana) 2261541Srgrimes ISO_RRIP_ALTNAME *p; 2271541Srgrimes ISO_RRIP_ANALYZE *ana; 2281541Srgrimes{ 2291541Srgrimes char *inbuf; 2301541Srgrimes int wlen; 2311541Srgrimes int cont; 232193066Sjamie char hostbuf[MAXHOSTNAMELEN]; 2338876Srgrimes 2341541Srgrimes inbuf = ".."; 2351541Srgrimes wlen = 0; 2361541Srgrimes cont = 0; 2378876Srgrimes 2381541Srgrimes switch (*p->flags) { 2391541Srgrimes case ISO_SUSP_CFLAG_CURRENT: 2401541Srgrimes /* Inserting Current */ 2411541Srgrimes wlen = 1; 2421541Srgrimes break; 2438876Srgrimes 2441541Srgrimes case ISO_SUSP_CFLAG_PARENT: 2451541Srgrimes /* Inserting Parent */ 2461541Srgrimes wlen = 2; 2471541Srgrimes break; 2488876Srgrimes 2491541Srgrimes case ISO_SUSP_CFLAG_HOST: 2501541Srgrimes /* Inserting hostname i.e. "kurt.tools.de" */ 251193066Sjamie getcredhostname(curthread->td_ucred, hostbuf, sizeof(hostbuf)); 252193066Sjamie inbuf = hostbuf; 253193066Sjamie wlen = strlen(inbuf); 2541541Srgrimes break; 2558876Srgrimes 2561541Srgrimes case ISO_SUSP_CFLAG_CONTINUE: 2571541Srgrimes cont = 1; 258102412Scharnier /* FALLTHROUGH */ 2591541Srgrimes case 0: 2601541Srgrimes /* Inserting component */ 2611541Srgrimes wlen = isonum_711(p->h.length) - 5; 2621541Srgrimes inbuf = (char *)p + 5; 2631541Srgrimes break; 2648876Srgrimes 2651541Srgrimes default: 2661541Srgrimes printf("RRIP with incorrect NM flags?\n"); 2671541Srgrimes wlen = ana->maxlen + 1; 2681541Srgrimes break; 2691541Srgrimes } 2708876Srgrimes 2711541Srgrimes if ((*ana->outlen += wlen) > ana->maxlen) { 2721541Srgrimes /* treat as no name field */ 2731541Srgrimes ana->fields &= ~ISO_SUSP_ALTNAME; 2741541Srgrimes ana->outbuf -= *ana->outlen - wlen; 2751541Srgrimes *ana->outlen = 0; 2761541Srgrimes return 0; 2771541Srgrimes } 2788876Srgrimes 2791541Srgrimes bcopy(inbuf,ana->outbuf,wlen); 2801541Srgrimes ana->outbuf += wlen; 2818876Srgrimes 2821541Srgrimes if (!cont) { 2831541Srgrimes ana->fields &= ~ISO_SUSP_ALTNAME; 2841541Srgrimes return ISO_SUSP_ALTNAME; 2851541Srgrimes } 2861541Srgrimes return 0; 2871541Srgrimes} 2881541Srgrimes 2891541Srgrimesstatic void 2901541Srgrimescd9660_rrip_defname(isodir,ana) 2911541Srgrimes struct iso_directory_record *isodir; 2921541Srgrimes ISO_RRIP_ANALYZE *ana; 2931541Srgrimes{ 29445773Sdcs isofntrans(isodir->name,isonum_711(isodir->name_len), 29545773Sdcs ana->outbuf,ana->outlen, 296120492Sfjoe 1,isonum_711(isodir->flags)&4, ana->imp->joliet_level, 297120492Sfjoe ana->imp->im_flags, ana->imp->im_d2l); 29845773Sdcs switch (*ana->outbuf) { 2991541Srgrimes default: 3001541Srgrimes break; 3011541Srgrimes case 1: 3021541Srgrimes *ana->outlen = 2; 303102412Scharnier /* FALLTHROUGH */ 30445773Sdcs case 0: 30545773Sdcs /* outlen is 1 already */ 30645773Sdcs strcpy(ana->outbuf,".."); 3071541Srgrimes break; 3081541Srgrimes } 3091541Srgrimes} 3101541Srgrimes 3111541Srgrimes/* 3121541Srgrimes * Parent or Child Link 3131541Srgrimes */ 3141541Srgrimesstatic int 3151541Srgrimescd9660_rrip_pclink(p,ana) 3165651Sjoerg ISO_RRIP_CLINK *p; 3171541Srgrimes ISO_RRIP_ANALYZE *ana; 3181541Srgrimes{ 3191541Srgrimes *ana->inump = isonum_733(p->dir_loc) << ana->imp->im_bshift; 3201541Srgrimes ana->fields &= ~(ISO_SUSP_CLINK|ISO_SUSP_PLINK); 3211541Srgrimes return *p->h.type == 'C' ? ISO_SUSP_CLINK : ISO_SUSP_PLINK; 3221541Srgrimes} 3231541Srgrimes 3241541Srgrimes/* 3251541Srgrimes * Relocated directory 3261541Srgrimes */ 3271541Srgrimesstatic int 3281541Srgrimescd9660_rrip_reldir(p,ana) 3295651Sjoerg ISO_RRIP_RELDIR *p; 3301541Srgrimes ISO_RRIP_ANALYZE *ana; 3311541Srgrimes{ 3321541Srgrimes /* special hack to make caller aware of RE field */ 3331541Srgrimes *ana->outlen = 0; 3341541Srgrimes ana->fields = 0; 3351541Srgrimes return ISO_SUSP_RELDIR|ISO_SUSP_ALTNAME|ISO_SUSP_CLINK|ISO_SUSP_PLINK; 3361541Srgrimes} 3371541Srgrimes 3381541Srgrimesstatic int 3391541Srgrimescd9660_rrip_tstamp(p,ana) 3401541Srgrimes ISO_RRIP_TSTAMP *p; 3411541Srgrimes ISO_RRIP_ANALYZE *ana; 3421541Srgrimes{ 34322521Sdyson u_char *ptime; 344131526Sphk 3451541Srgrimes ptime = p->time; 3468876Srgrimes 3471541Srgrimes /* Check a format of time stamp (7bytes/17bytes) */ 3481541Srgrimes if (!(*p->flags&ISO_SUSP_TSTAMP_FORM17)) { 3491541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_CREAT) 3501541Srgrimes ptime += 7; 3518876Srgrimes 3521541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_MODIFY) { 3535651Sjoerg cd9660_tstamp_conv7(ptime,&ana->inop->inode.iso_mtime, 3545651Sjoerg ISO_FTYPE_RRIP); 3551541Srgrimes ptime += 7; 3561541Srgrimes } else 3572806Sbde bzero(&ana->inop->inode.iso_mtime,sizeof(struct timespec)); 358131526Sphk 3591541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_ACCESS) { 3605651Sjoerg cd9660_tstamp_conv7(ptime,&ana->inop->inode.iso_atime, 3615651Sjoerg ISO_FTYPE_RRIP); 3621541Srgrimes ptime += 7; 3631541Srgrimes } else 3641541Srgrimes ana->inop->inode.iso_atime = ana->inop->inode.iso_mtime; 3658876Srgrimes 3661541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_ATTR) 3675651Sjoerg cd9660_tstamp_conv7(ptime,&ana->inop->inode.iso_ctime, 3685651Sjoerg ISO_FTYPE_RRIP); 3691541Srgrimes else 3701541Srgrimes ana->inop->inode.iso_ctime = ana->inop->inode.iso_mtime; 3718876Srgrimes 3721541Srgrimes } else { 3731541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_CREAT) 3741541Srgrimes ptime += 17; 3758876Srgrimes 3761541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_MODIFY) { 3771541Srgrimes cd9660_tstamp_conv17(ptime,&ana->inop->inode.iso_mtime); 3781541Srgrimes ptime += 17; 3791541Srgrimes } else 3802806Sbde bzero(&ana->inop->inode.iso_mtime,sizeof(struct timespec)); 381131526Sphk 3821541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_ACCESS) { 3831541Srgrimes cd9660_tstamp_conv17(ptime,&ana->inop->inode.iso_atime); 3841541Srgrimes ptime += 17; 3851541Srgrimes } else 3861541Srgrimes ana->inop->inode.iso_atime = ana->inop->inode.iso_mtime; 3878876Srgrimes 3881541Srgrimes if (*p->flags&ISO_SUSP_TSTAMP_ATTR) 3891541Srgrimes cd9660_tstamp_conv17(ptime,&ana->inop->inode.iso_ctime); 3901541Srgrimes else 3911541Srgrimes ana->inop->inode.iso_ctime = ana->inop->inode.iso_mtime; 3928876Srgrimes 3931541Srgrimes } 3941541Srgrimes ana->fields &= ~ISO_SUSP_TSTAMP; 3951541Srgrimes return ISO_SUSP_TSTAMP; 3961541Srgrimes} 3971541Srgrimes 3981541Srgrimesstatic void 3991541Srgrimescd9660_rrip_deftstamp(isodir,ana) 4001541Srgrimes struct iso_directory_record *isodir; 4011541Srgrimes ISO_RRIP_ANALYZE *ana; 4021541Srgrimes{ 4035651Sjoerg cd9660_deftstamp(isodir,ana->inop,NULL,ISO_FTYPE_RRIP); 4041541Srgrimes} 4051541Srgrimes 4061541Srgrimes/* 4071541Srgrimes * POSIX device modes 4081541Srgrimes */ 4091541Srgrimesstatic int 4101541Srgrimescd9660_rrip_device(p,ana) 4111541Srgrimes ISO_RRIP_DEVICE *p; 4121541Srgrimes ISO_RRIP_ANALYZE *ana; 4131541Srgrimes{ 41422521Sdyson u_int high, low; 415131526Sphk 41622521Sdyson high = isonum_733(p->dev_t_high); 41722521Sdyson low = isonum_733(p->dev_t_low); 418131526Sphk 41922521Sdyson if (high == 0) 420187830Sed ana->inop->inode.iso_rdev = makedev(major(low), minor(low)); 42122521Sdyson else 422187830Sed ana->inop->inode.iso_rdev = makedev(high, minor(low)); 4231541Srgrimes ana->fields &= ~ISO_SUSP_DEVICE; 4241541Srgrimes return ISO_SUSP_DEVICE; 4251541Srgrimes} 4261541Srgrimes 4271541Srgrimes/* 4281541Srgrimes * Flag indicating 4291541Srgrimes */ 4301541Srgrimesstatic int 4311541Srgrimescd9660_rrip_idflag(p,ana) 4321541Srgrimes ISO_RRIP_IDFLAG *p; 4331541Srgrimes ISO_RRIP_ANALYZE *ana; 4341541Srgrimes{ 4351541Srgrimes ana->fields &= isonum_711(p->flags)|~0xff; /* don't touch high bits */ 4361541Srgrimes /* special handling of RE field */ 4371541Srgrimes if (ana->fields&ISO_SUSP_RELDIR) 43812597Sbde return cd9660_rrip_reldir(/* XXX */ (ISO_RRIP_RELDIR *)p,ana); 4398876Srgrimes 4401541Srgrimes return ISO_SUSP_IDFLAG; 4411541Srgrimes} 4421541Srgrimes 4431541Srgrimes/* 4441541Srgrimes * Continuation pointer 4451541Srgrimes */ 4461541Srgrimesstatic int 4471541Srgrimescd9660_rrip_cont(p,ana) 4481541Srgrimes ISO_RRIP_CONT *p; 4491541Srgrimes ISO_RRIP_ANALYZE *ana; 4501541Srgrimes{ 4511541Srgrimes ana->iso_ce_blk = isonum_733(p->location); 4521541Srgrimes ana->iso_ce_off = isonum_733(p->offset); 4531541Srgrimes ana->iso_ce_len = isonum_733(p->length); 4541541Srgrimes return ISO_SUSP_CONT; 4551541Srgrimes} 4561541Srgrimes 4571541Srgrimes/* 4581541Srgrimes * System Use end 4591541Srgrimes */ 4601541Srgrimesstatic int 4611541Srgrimescd9660_rrip_stop(p,ana) 4621541Srgrimes ISO_SUSP_HEADER *p; 4631541Srgrimes ISO_RRIP_ANALYZE *ana; 4641541Srgrimes{ 4651541Srgrimes return ISO_SUSP_STOP; 4661541Srgrimes} 4671541Srgrimes 4681541Srgrimes/* 4691541Srgrimes * Extension reference 4701541Srgrimes */ 4711541Srgrimesstatic int 4721541Srgrimescd9660_rrip_extref(p,ana) 4731541Srgrimes ISO_RRIP_EXTREF *p; 4741541Srgrimes ISO_RRIP_ANALYZE *ana; 4751541Srgrimes{ 476185334Slulf if ( ! ((isonum_711(p->len_id) == 10 477185334Slulf && bcmp((char *)p + 8,"RRIP_1991A",10) == 0) 478185334Slulf || (isonum_711(p->len_id) == 10 479185334Slulf && bcmp((char *)p + 8,"IEEE_P1282",10) == 0) 480185334Slulf || (isonum_711(p->len_id) == 9 481185334Slulf && bcmp((char *)p + 8,"IEEE_1282", 9) == 0)) 4821541Srgrimes || isonum_711(p->version) != 1) 4831541Srgrimes return 0; 4841541Srgrimes ana->fields &= ~ISO_SUSP_EXTREF; 4851541Srgrimes return ISO_SUSP_EXTREF; 4861541Srgrimes} 4871541Srgrimes 4881541Srgrimesstatic int 4891541Srgrimescd9660_rrip_loop(isodir,ana,table) 4901541Srgrimes struct iso_directory_record *isodir; 4911541Srgrimes ISO_RRIP_ANALYZE *ana; 4921541Srgrimes RRIP_TABLE *table; 4931541Srgrimes{ 494131526Sphk RRIP_TABLE *ptable; 495131526Sphk ISO_SUSP_HEADER *phead; 496131526Sphk ISO_SUSP_HEADER *pend; 4971541Srgrimes struct buf *bp = NULL; 4981541Srgrimes char *pwhead; 499120492Sfjoe u_short c; 5001541Srgrimes int result; 5018876Srgrimes 5021541Srgrimes /* 5031541Srgrimes * Note: If name length is odd, 5045651Sjoerg * it will be padding 1 byte after the name 5051541Srgrimes */ 5061541Srgrimes pwhead = isodir->name + isonum_711(isodir->name_len); 5071541Srgrimes if (!(isonum_711(isodir->name_len)&1)) 5081541Srgrimes pwhead++; 509120492Sfjoe isochar(isodir->name, pwhead, ana->imp->joliet_level, &c, NULL, 510120492Sfjoe ana->imp->im_flags, ana->imp->im_d2l); 5118876Srgrimes 5121541Srgrimes /* If it's not the '.' entry of the root dir obey SP field */ 51345773Sdcs if (c != 0 || isonum_733(isodir->extent) != ana->imp->root_extent) 5141541Srgrimes pwhead += ana->imp->rr_skip; 5151541Srgrimes else 5161541Srgrimes pwhead += ana->imp->rr_skip0; 5178876Srgrimes 5181541Srgrimes phead = (ISO_SUSP_HEADER *)pwhead; 5191541Srgrimes pend = (ISO_SUSP_HEADER *)((char *)isodir + isonum_711(isodir->length)); 5208876Srgrimes 5211541Srgrimes result = 0; 5221541Srgrimes while (1) { 5231541Srgrimes ana->iso_ce_len = 0; 5241541Srgrimes /* 5251541Srgrimes * Note: "pend" should be more than one SUSP header 5268876Srgrimes */ 5271541Srgrimes while (pend >= phead + 1) { 5281541Srgrimes if (isonum_711(phead->version) == 1) { 5291541Srgrimes for (ptable = table; ptable->func; ptable++) { 5301541Srgrimes if (*phead->type == *ptable->type 5311541Srgrimes && phead->type[1] == ptable->type[1]) { 5321541Srgrimes result |= ptable->func(phead,ana); 5331541Srgrimes break; 5341541Srgrimes } 5351541Srgrimes } 5361541Srgrimes if (!ana->fields) 5371541Srgrimes break; 5381541Srgrimes } 53922521Sdyson if (result&ISO_SUSP_STOP) { 54022521Sdyson result &= ~ISO_SUSP_STOP; 54122521Sdyson break; 54222521Sdyson } 54322521Sdyson /* plausibility check */ 54422521Sdyson if (isonum_711(phead->length) < sizeof(*phead)) 54522521Sdyson break; 5461541Srgrimes /* 5471541Srgrimes * move to next SUSP 5481541Srgrimes * Hopefully this works with newer versions, too 5491541Srgrimes */ 5501541Srgrimes phead = (ISO_SUSP_HEADER *)((char *)phead + isonum_711(phead->length)); 5511541Srgrimes } 552131526Sphk 55322521Sdyson if (ana->fields && ana->iso_ce_len) { 5541541Srgrimes if (ana->iso_ce_blk >= ana->imp->volume_space_size 5551541Srgrimes || ana->iso_ce_off + ana->iso_ce_len > ana->imp->logical_block_size 5561541Srgrimes || bread(ana->imp->im_devvp, 55722521Sdyson ana->iso_ce_blk << 55822521Sdyson (ana->imp->im_bshift - DEV_BSHIFT), 55922521Sdyson ana->imp->logical_block_size, NOCRED, &bp)) 5601541Srgrimes /* what to do now? */ 5611541Srgrimes break; 56222521Sdyson phead = (ISO_SUSP_HEADER *)(bp->b_data + ana->iso_ce_off); 5631541Srgrimes pend = (ISO_SUSP_HEADER *) ((char *)phead + ana->iso_ce_len); 5641541Srgrimes } else 5651541Srgrimes break; 5661541Srgrimes } 5671541Srgrimes if (bp) 5681541Srgrimes brelse(bp); 5691541Srgrimes /* 5701541Srgrimes * If we don't find the Basic SUSP stuffs, just set default value 57122521Sdyson * (attribute/time stamp) 5721541Srgrimes */ 5731541Srgrimes for (ptable = table; ptable->func2; ptable++) 5741541Srgrimes if (!(ptable->result&result)) 5751541Srgrimes ptable->func2(isodir,ana); 5768876Srgrimes 5771541Srgrimes return result; 5781541Srgrimes} 5791541Srgrimes 58012597Sbde/* 58122521Sdyson * Get Attributes. 58222521Sdyson */ 58322521Sdyson/* 58412597Sbde * XXX the casts are bogus but will do for now. 58512597Sbde */ 58612597Sbde#define BC (rrt_func_t *) 5871541Srgrimesstatic RRIP_TABLE rrip_table_analyze[] = { 58812597Sbde { "PX", BC cd9660_rrip_attr, cd9660_rrip_defattr, ISO_SUSP_ATTR }, 58912597Sbde { "TF", BC cd9660_rrip_tstamp, cd9660_rrip_deftstamp, ISO_SUSP_TSTAMP }, 59012597Sbde { "PN", BC cd9660_rrip_device, 0, ISO_SUSP_DEVICE }, 59112597Sbde { "RR", BC cd9660_rrip_idflag, 0, ISO_SUSP_IDFLAG }, 59212597Sbde { "CE", BC cd9660_rrip_cont, 0, ISO_SUSP_CONT }, 59312597Sbde { "ST", BC cd9660_rrip_stop, 0, ISO_SUSP_STOP }, 5941541Srgrimes { "", 0, 0, 0 } 5951541Srgrimes}; 5961541Srgrimes 5971541Srgrimesint 5981541Srgrimescd9660_rrip_analyze(isodir,inop,imp) 5991541Srgrimes struct iso_directory_record *isodir; 6001541Srgrimes struct iso_node *inop; 6011541Srgrimes struct iso_mnt *imp; 6021541Srgrimes{ 6031541Srgrimes ISO_RRIP_ANALYZE analyze; 6048876Srgrimes 6051541Srgrimes analyze.inop = inop; 6061541Srgrimes analyze.imp = imp; 6071541Srgrimes analyze.fields = ISO_SUSP_ATTR|ISO_SUSP_TSTAMP|ISO_SUSP_DEVICE; 6088876Srgrimes 6091541Srgrimes return cd9660_rrip_loop(isodir,&analyze,rrip_table_analyze); 6101541Srgrimes} 6111541Srgrimes 612131526Sphk/* 61322521Sdyson * Get Alternate Name. 6141541Srgrimes */ 6151541Srgrimesstatic RRIP_TABLE rrip_table_getname[] = { 61612597Sbde { "NM", BC cd9660_rrip_altname, cd9660_rrip_defname, ISO_SUSP_ALTNAME }, 61712597Sbde { "CL", BC cd9660_rrip_pclink, 0, ISO_SUSP_CLINK|ISO_SUSP_PLINK }, 61812597Sbde { "PL", BC cd9660_rrip_pclink, 0, ISO_SUSP_CLINK|ISO_SUSP_PLINK }, 61912597Sbde { "RE", BC cd9660_rrip_reldir, 0, ISO_SUSP_RELDIR }, 62012597Sbde { "RR", BC cd9660_rrip_idflag, 0, ISO_SUSP_IDFLAG }, 62112597Sbde { "CE", BC cd9660_rrip_cont, 0, ISO_SUSP_CONT }, 62212597Sbde { "ST", BC cd9660_rrip_stop, 0, ISO_SUSP_STOP }, 6231541Srgrimes { "", 0, 0, 0 } 6241541Srgrimes}; 6251541Srgrimes 6261541Srgrimesint 6271541Srgrimescd9660_rrip_getname(isodir,outbuf,outlen,inump,imp) 6281541Srgrimes struct iso_directory_record *isodir; 6291541Srgrimes char *outbuf; 6301541Srgrimes u_short *outlen; 6311541Srgrimes ino_t *inump; 6321541Srgrimes struct iso_mnt *imp; 6331541Srgrimes{ 6341541Srgrimes ISO_RRIP_ANALYZE analyze; 6351541Srgrimes RRIP_TABLE *tab; 636120492Sfjoe u_short c; 6378876Srgrimes 6381541Srgrimes analyze.outbuf = outbuf; 6391541Srgrimes analyze.outlen = outlen; 6401541Srgrimes analyze.maxlen = NAME_MAX; 6411541Srgrimes analyze.inump = inump; 6421541Srgrimes analyze.imp = imp; 6431541Srgrimes analyze.fields = ISO_SUSP_ALTNAME|ISO_SUSP_RELDIR|ISO_SUSP_CLINK|ISO_SUSP_PLINK; 6441541Srgrimes *outlen = 0; 6458876Srgrimes 64645773Sdcs isochar(isodir->name, isodir->name + isonum_711(isodir->name_len), 647120492Sfjoe imp->joliet_level, &c, NULL, imp->im_flags, imp->im_d2l); 6481541Srgrimes tab = rrip_table_getname; 64945773Sdcs if (c == 0 || c == 1) { 6501541Srgrimes cd9660_rrip_defname(isodir,&analyze); 6518876Srgrimes 6521541Srgrimes analyze.fields &= ~ISO_SUSP_ALTNAME; 6531541Srgrimes tab++; 6541541Srgrimes } 6558876Srgrimes 6561541Srgrimes return cd9660_rrip_loop(isodir,&analyze,tab); 6571541Srgrimes} 6581541Srgrimes 659131526Sphk/* 66022521Sdyson * Get Symbolic Link. 6611541Srgrimes */ 6621541Srgrimesstatic RRIP_TABLE rrip_table_getsymname[] = { 66312597Sbde { "SL", BC cd9660_rrip_slink, 0, ISO_SUSP_SLINK }, 66412597Sbde { "RR", BC cd9660_rrip_idflag, 0, ISO_SUSP_IDFLAG }, 66512597Sbde { "CE", BC cd9660_rrip_cont, 0, ISO_SUSP_CONT }, 66612597Sbde { "ST", BC cd9660_rrip_stop, 0, ISO_SUSP_STOP }, 6671541Srgrimes { "", 0, 0, 0 } 6681541Srgrimes}; 6691541Srgrimes 6701541Srgrimesint 6711541Srgrimescd9660_rrip_getsymname(isodir,outbuf,outlen,imp) 6721541Srgrimes struct iso_directory_record *isodir; 6731541Srgrimes char *outbuf; 6741541Srgrimes u_short *outlen; 6751541Srgrimes struct iso_mnt *imp; 6761541Srgrimes{ 6771541Srgrimes ISO_RRIP_ANALYZE analyze; 6788876Srgrimes 6791541Srgrimes analyze.outbuf = outbuf; 6801541Srgrimes analyze.outlen = outlen; 6811541Srgrimes *outlen = 0; 6821541Srgrimes analyze.maxlen = MAXPATHLEN; 6831541Srgrimes analyze.cont = 1; /* don't start with a slash */ 6841541Srgrimes analyze.imp = imp; 6851541Srgrimes analyze.fields = ISO_SUSP_SLINK; 6868876Srgrimes 6871541Srgrimes return (cd9660_rrip_loop(isodir,&analyze,rrip_table_getsymname)&ISO_SUSP_SLINK); 6881541Srgrimes} 6891541Srgrimes 6901541Srgrimesstatic RRIP_TABLE rrip_table_extref[] = { 69112597Sbde { "ER", BC cd9660_rrip_extref, 0, ISO_SUSP_EXTREF }, 69212597Sbde { "CE", BC cd9660_rrip_cont, 0, ISO_SUSP_CONT }, 69312597Sbde { "ST", BC cd9660_rrip_stop, 0, ISO_SUSP_STOP }, 6941541Srgrimes { "", 0, 0, 0 } 6951541Srgrimes}; 6961541Srgrimes 6971541Srgrimes/* 6981541Srgrimes * Check for Rock Ridge Extension and return offset of its fields. 69922521Sdyson * Note: We insist on the ER field. 7001541Srgrimes */ 7011541Srgrimesint 7021541Srgrimescd9660_rrip_offset(isodir,imp) 7031541Srgrimes struct iso_directory_record *isodir; 7041541Srgrimes struct iso_mnt *imp; 7051541Srgrimes{ 7061541Srgrimes ISO_RRIP_OFFSET *p; 7071541Srgrimes ISO_RRIP_ANALYZE analyze; 7088876Srgrimes 7091541Srgrimes imp->rr_skip0 = 0; 7101541Srgrimes p = (ISO_RRIP_OFFSET *)(isodir->name + 1); 7111541Srgrimes if (bcmp(p,"SP\7\1\276\357",6)) { 7121541Srgrimes /* Maybe, it's a CDROM XA disc? */ 7131541Srgrimes imp->rr_skip0 = 15; 7141541Srgrimes p = (ISO_RRIP_OFFSET *)((char *)p + 15); 7151541Srgrimes if (bcmp(p,"SP\7\1\276\357",6)) 7161541Srgrimes return -1; 7171541Srgrimes } 7188876Srgrimes 7191541Srgrimes analyze.imp = imp; 7201541Srgrimes analyze.fields = ISO_SUSP_EXTREF; 7211541Srgrimes if (!(cd9660_rrip_loop(isodir,&analyze,rrip_table_extref)&ISO_SUSP_EXTREF)) 7221541Srgrimes return -1; 7238876Srgrimes 7241541Srgrimes return isonum_711(p->skip); 7251541Srgrimes} 726