/* $NetBSD: iso9660_rrip.c,v 1.14 2014/05/30 13:14:47 martin Exp $ */ /* * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan * Perez-Rathke and Ram Vedam. All rights reserved. * * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, * Alan Perez-Rathke and Ram Vedam. * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ /* This will hold all the function definitions * defined in iso9660_rrip.h */ #include "makefs.h" #include "cd9660.h" #include "iso9660_rrip.h" #include #include #include #include #if defined(__RCSID) && !defined(__lint) __RCSID("$NetBSD: iso9660_rrip.c,v 1.14 2014/05/30 13:14:47 martin Exp $"); #endif /* !__lint */ static void cd9660_rrip_initialize_inode(cd9660node *); static int cd9660_susp_handle_continuation(iso9660_disk *, cd9660node *); static int cd9660_susp_handle_continuation_common(iso9660_disk *, cd9660node *, int); int cd9660_susp_initialize(iso9660_disk *diskStructure, cd9660node *node, cd9660node *parent, cd9660node *grandparent) { cd9660node *cn; int r; /* Make sure the node is not NULL. If it is, there are major problems */ assert(node != NULL); if (!(node->type & CD9660_TYPE_DOT) && !(node->type & CD9660_TYPE_DOTDOT)) TAILQ_INIT(&(node->head)); if (node->dot_record != 0) TAILQ_INIT(&(node->dot_record->head)); if (node->dot_dot_record != 0) TAILQ_INIT(&(node->dot_dot_record->head)); /* SUSP specific entries here */ if ((r = cd9660_susp_initialize_node(diskStructure, node)) < 0) return r; /* currently called cd9660node_rrip_init_links */ r = cd9660_rrip_initialize_node(diskStructure, node, parent, grandparent); if (r < 0) return r; /* * See if we need a CE record, and set all of the * associated counters. * * This should be called after all extensions. After * this is called, no new records should be added. */ if ((r = cd9660_susp_handle_continuation(diskStructure, node)) < 0) return r; /* Recurse on children. */ TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { if ((r = cd9660_susp_initialize(diskStructure, cn, node, parent)) < 0) return 0; } return 1; } int cd9660_susp_finalize(iso9660_disk *diskStructure, cd9660node *node) { cd9660node *temp; int r; assert(node != NULL); if (node == diskStructure->rootNode) diskStructure->susp_continuation_area_current_free = 0; if ((r = cd9660_susp_finalize_node(diskStructure, node)) < 0) return r; if ((r = cd9660_rrip_finalize_node(diskStructure, node)) < 0) return r; TAILQ_FOREACH(temp, &node->cn_children, cn_next_child) { if ((r = cd9660_susp_finalize(diskStructure, temp)) < 0) return r; } return 1; } /* * If we really wanted to speed things up, we could have some sort of * lookup table on the SUSP entry type that calls a functor. Or, we could * combine the functions. These functions are kept separate to allow * easier addition of other extensions. * For the sake of simplicity and clarity, we won't be doing that for now. */ /* * SUSP needs to update the following types: * CE (continuation area) */ int cd9660_susp_finalize_node(iso9660_disk *diskStructure, cd9660node *node) { struct ISO_SUSP_ATTRIBUTES *t; /* Handle CE counters */ if (node->susp_entry_ce_length > 0) { node->susp_entry_ce_start = diskStructure->susp_continuation_area_current_free; diskStructure->susp_continuation_area_current_free += node->susp_entry_ce_length; } TAILQ_FOREACH(t, &node->head, rr_ll) { if (t->susp_type != SUSP_TYPE_SUSP || t->entry_type != SUSP_ENTRY_SUSP_CE) continue; cd9660_bothendian_dword( diskStructure-> susp_continuation_area_start_sector, t->attr.su_entry.CE.ca_sector); cd9660_bothendian_dword( diskStructure-> susp_continuation_area_start_sector, t->attr.su_entry.CE.ca_sector); cd9660_bothendian_dword(node->susp_entry_ce_start, t->attr.su_entry.CE.offset); cd9660_bothendian_dword(node->susp_entry_ce_length, t->attr.su_entry.CE.length); } return 0; } int cd9660_rrip_finalize_node(iso9660_disk *diskStructure __unused, cd9660node *node) { struct ISO_SUSP_ATTRIBUTES *t; TAILQ_FOREACH(t, &node->head, rr_ll) { if (t->susp_type != SUSP_TYPE_RRIP) continue; switch (t->entry_type) { case SUSP_ENTRY_RRIP_CL: /* Look at rr_relocated*/ if (node->rr_relocated == NULL) return -1; cd9660_bothendian_dword( node->rr_relocated->fileDataSector, (unsigned char *) t->attr.rr_entry.CL.dir_loc); break; case SUSP_ENTRY_RRIP_PL: /* Look at rr_real_parent */ if (node->parent == NULL || node->parent->rr_real_parent == NULL) return -1; cd9660_bothendian_dword( node->parent->rr_real_parent->fileDataSector, (unsigned char *) t->attr.rr_entry.PL.dir_loc); break; } } return 0; } static int cd9660_susp_handle_continuation_common(iso9660_disk *diskStructure, cd9660node *node, int space) { int ca_used, susp_used, susp_used_pre_ce, working; struct ISO_SUSP_ATTRIBUTES *temp, *pre_ce, *last, *CE, *ST; pre_ce = last = NULL; working = 254 - space; if (node->su_tail_size > 0) /* Allow 4 bytes for "ST" record. */ working -= node->su_tail_size + 4; /* printf("There are %i bytes to work with\n",working); */ susp_used_pre_ce = susp_used = 0; ca_used = 0; TAILQ_FOREACH(temp, &node->head, rr_ll) { if (working < 0) break; /* * printf("SUSP Entry found, length is %i\n", * CD9660_SUSP_ENTRY_SIZE(temp)); */ working -= CD9660_SUSP_ENTRY_SIZE(temp); if (working >= 0) { last = temp; susp_used += CD9660_SUSP_ENTRY_SIZE(temp); } if (working >= 28) { /* * Remember the last entry after which we * could insert a "CE" entry. */ pre_ce = last; susp_used_pre_ce = susp_used; } } /* A CE entry is needed */ if (working <= 0) { CE = cd9660node_susp_create_node(SUSP_TYPE_SUSP, SUSP_ENTRY_SUSP_CE, "CE", SUSP_LOC_ENTRY); cd9660_susp_ce(CE, node); /* This will automatically insert at the appropriate location */ if (pre_ce != NULL) TAILQ_INSERT_AFTER(&node->head, pre_ce, CE, rr_ll); else TAILQ_INSERT_HEAD(&node->head, CE, rr_ll); last = CE; susp_used = susp_used_pre_ce + 28; /* Count how much CA data is necessary */ for (temp = TAILQ_NEXT(last, rr_ll); temp != NULL; temp = TAILQ_NEXT(temp, rr_ll)) { ca_used += CD9660_SUSP_ENTRY_SIZE(temp); } } /* An ST entry is needed */ if (node->su_tail_size > 0) { ST = cd9660node_susp_create_node(SUSP_TYPE_SUSP, SUSP_ENTRY_SUSP_ST, "ST", SUSP_LOC_ENTRY); cd9660_susp_st(ST, node); if (last != NULL) TAILQ_INSERT_AFTER(&node->head, last, ST, rr_ll); else TAILQ_INSERT_HEAD(&node->head, ST, rr_ll); last = ST; susp_used += 4; } if (last != NULL) last->last_in_suf = 1; node->susp_entry_size = susp_used; node->susp_entry_ce_length = ca_used; diskStructure->susp_continuation_area_size += ca_used; return 1; } /* See if a continuation entry is needed for each of the different types */ static int cd9660_susp_handle_continuation(iso9660_disk *diskStructure, cd9660node *node) { assert (node != NULL); /* Entry */ if (cd9660_susp_handle_continuation_common(diskStructure, node,(int)(node->isoDirRecord->length[0])) < 0) return 0; return 1; } int cd9660_susp_initialize_node(iso9660_disk *diskStructure, cd9660node *node) { struct ISO_SUSP_ATTRIBUTES *temp; /* * Requirements/notes: * CE: is added for us where needed * ST: not sure if it is even required, but if so, should be * handled by the CE code * PD: isnt needed (though might be added for testing) * SP: is stored ONLY on the . record of the root directory * ES: not sure */ /* Check for root directory, add SP and ER if needed. */ if (node->type & CD9660_TYPE_DOT) { if (node->parent == diskStructure->rootNode) { temp = cd9660node_susp_create_node(SUSP_TYPE_SUSP, SUSP_ENTRY_SUSP_SP, "SP", SUSP_LOC_DOT); cd9660_susp_sp(temp, node); /* Should be first entry. */ TAILQ_INSERT_HEAD(&node->head, temp, rr_ll); } } return 1; } static void cd9660_rrip_initialize_inode(cd9660node *node) { struct ISO_SUSP_ATTRIBUTES *attr; /* * Inode dependent values - this may change, * but for now virtual files and directories do * not have an inode structure */ if ((node->node != NULL) && (node->node->inode != NULL)) { /* PX - POSIX attributes */ attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); cd9660node_rrip_px(attr, node->node); TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); /* TF - timestamp */ attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_TF, "TF", SUSP_LOC_ENTRY); cd9660node_rrip_tf(attr, node->node); TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); /* SL - Symbolic link */ /* ?????????? Dan - why is this here? */ if (TAILQ_EMPTY(&node->cn_children) && node->node->inode != NULL && S_ISLNK(node->node->inode->st.st_mode)) cd9660_createSL(node); /* PN - device number */ if (node->node->inode != NULL && ((S_ISCHR(node->node->inode->st.st_mode) || S_ISBLK(node->node->inode->st.st_mode)))) { attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_PN, "PN", SUSP_LOC_ENTRY); cd9660node_rrip_pn(attr, node->node); TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); } } } int cd9660_rrip_initialize_node(iso9660_disk *diskStructure, cd9660node *node, cd9660node *parent, cd9660node *grandparent) { struct ISO_SUSP_ATTRIBUTES *current = NULL; assert(node != NULL); if (node->type & CD9660_TYPE_DOT) { /* * Handle ER - should be the only entry to appear on * a "." record */ if (node->parent == diskStructure->rootNode) { cd9660_susp_ER(node, 1, SUSP_RRIP_ER_EXT_ID, SUSP_RRIP_ER_EXT_DES, SUSP_RRIP_ER_EXT_SRC); } if (parent != NULL && parent->node != NULL && parent->node->inode != NULL) { /* PX - POSIX attributes */ current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); cd9660node_rrip_px(current, parent->node); TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } } else if (node->type & CD9660_TYPE_DOTDOT) { if (grandparent != NULL && grandparent->node != NULL && grandparent->node->inode != NULL) { /* PX - POSIX attributes */ current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); cd9660node_rrip_px(current, grandparent->node); TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } /* Handle PL */ if (parent != NULL && parent->rr_real_parent != NULL) { current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_PL, "PL", SUSP_LOC_DOTDOT); cd9660_rrip_PL(current,node); TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } } else { cd9660_rrip_initialize_inode(node); /* * Not every node needs a NM set - only if the name is * actually different. IE: If a file is TEST -> TEST, * no NM. test -> TEST, need a NM * * The rr_moved_dir needs to be assigned a NM record as well. */ if (node == diskStructure->rr_moved_dir) { cd9660_rrip_add_NM(node, RRIP_DEFAULT_MOVE_DIR_NAME); } else if ((node->node != NULL) && ((strlen(node->node->name) != (uint8_t)node->isoDirRecord->name_len[0]) || (memcmp(node->node->name,node->isoDirRecord->name, (uint8_t)node->isoDirRecord->name_len[0]) != 0))) { cd9660_rrip_NM(node); } /* Rock ridge directory relocation code here. */ /* First handle the CL for the placeholder file. */ if (node->rr_relocated != NULL) { current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_CL, "CL", SUSP_LOC_ENTRY); cd9660_rrip_CL(current, node); TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } /* Handle RE*/ if (node->rr_real_parent != NULL) { current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_RE, "RE", SUSP_LOC_ENTRY); cd9660_rrip_RE(current,node); TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } } return 1; } struct ISO_SUSP_ATTRIBUTES* cd9660node_susp_create_node(int susp_type, int entry_type, const char *type_id, int write_loc) { struct ISO_SUSP_ATTRIBUTES* temp; temp = emalloc(sizeof(*temp)); temp->susp_type = susp_type; temp->entry_type = entry_type; temp->last_in_suf = 0; /* Phase this out */ temp->type_of[0] = type_id[0]; temp->type_of[1] = type_id[1]; temp->write_location = write_loc; /* * Since the first four bytes is common, lets go ahead and * set the type identifier, since we are passing that to this * function anyhow. */ temp->attr.su_entry.SP.h.type[0] = type_id[0]; temp->attr.su_entry.SP.h.type[1] = type_id[1]; return temp; } int cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES* p, cd9660node *node __unused) { p->attr.rr_entry.PL.h.length[0] = 12; p->attr.rr_entry.PL.h.version[0] = 1; return 1; } int cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) { p->attr.rr_entry.CL.h.length[0] = 12; p->attr.rr_entry.CL.h.version[0] = 1; return 1; } int cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) { p->attr.rr_entry.RE.h.length[0] = 4; p->attr.rr_entry.RE.h.version[0] = 1; return 1; } void cd9660_createSL(cd9660node *node) { struct ISO_SUSP_ATTRIBUTES* current; int path_count, dir_count, done, i, j, dir_copied; char temp_cr[255]; char temp_sl[255]; /* used in copying continuation entry*/ char* sl_ptr; sl_ptr = node->node->symlink; done = 0; path_count = 0; dir_count = 0; dir_copied = 0; current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); current->attr.rr_entry.SL.h.version[0] = 1; current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; if (*sl_ptr == '/') { temp_cr[0] = SL_FLAGS_ROOT; temp_cr[1] = 0; memcpy(current->attr.rr_entry.SL.component + path_count, temp_cr, 2); path_count += 2; sl_ptr++; } for (i = 0; i < (dir_count + 2); i++) temp_cr[i] = '\0'; while (!done) { while ((*sl_ptr != '/') && (*sl_ptr != '\0')) { dir_copied = 1; if (*sl_ptr == '.') { if ((*(sl_ptr + 1) == '/') || (*(sl_ptr + 1) == '\0')) { temp_cr[0] = SL_FLAGS_CURRENT; sl_ptr++; } else if(*(sl_ptr + 1) == '.') { if ((*(sl_ptr + 2) == '/') || (*(sl_ptr + 2) == '\0')) { temp_cr[0] = SL_FLAGS_PARENT; sl_ptr += 2; } } else { temp_cr[dir_count+2] = *sl_ptr; sl_ptr++; dir_count++; } } else { temp_cr[dir_count + 2] = *sl_ptr; sl_ptr++; dir_count++; } } if ((path_count + dir_count) >= 249) { current->attr.rr_entry.SL.flags[0] |= SL_FLAGS_CONTINUE; j = 0; if (path_count <= 249) { while(j != (249 - path_count)) { temp_sl[j] = temp_cr[j]; j++; } temp_sl[0] = SL_FLAGS_CONTINUE; temp_sl[1] = j - 2; memcpy( current->attr.rr_entry.SL.component + path_count, temp_sl, j); } path_count += j; current->attr.rr_entry.SL.h.length[0] = path_count + 5; TAILQ_INSERT_TAIL(&node->head, current, rr_ll); current= cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); current->attr.rr_entry.SL.h.version[0] = 1; current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; path_count = 0; if (dir_count > 2) { while (j != dir_count + 2) { current->attr.rr_entry.SL.component[ path_count + 2] = temp_cr[j]; j++; path_count++; } current->attr.rr_entry.SL.component[1] = path_count; path_count+= 2; } else { while(j != dir_count) { current->attr.rr_entry.SL.component[ path_count+2] = temp_cr[j]; j++; path_count++; } } } else { if (dir_copied == 1) { temp_cr[1] = dir_count; memcpy(current->attr.rr_entry.SL.component + path_count, temp_cr, dir_count + 2); path_count += dir_count + 2; } } if (*sl_ptr == '\0') { done = 1; current->attr.rr_entry.SL.h.length[0] = path_count + 5; TAILQ_INSERT_TAIL(&node->head, current, rr_ll); } else { sl_ptr++; dir_count = 0; dir_copied = 0; for(i = 0; i < 255; i++) { temp_cr[i] = '\0'; } } } } int cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *v, fsnode *pxinfo) { v->attr.rr_entry.PX.h.length[0] = 36; v->attr.rr_entry.PX.h.version[0] = 1; cd9660_bothendian_dword(pxinfo->inode->st.st_mode, v->attr.rr_entry.PX.mode); cd9660_bothendian_dword(pxinfo->inode->st.st_nlink, v->attr.rr_entry.PX.links); cd9660_bothendian_dword(pxinfo->inode->st.st_uid, v->attr.rr_entry.PX.uid); cd9660_bothendian_dword(pxinfo->inode->st.st_gid, v->attr.rr_entry.PX.gid); /* Ignoring the serial number for now */ return 1; } int cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *pn_field, fsnode *fnode) { pn_field->attr.rr_entry.PN.h.length[0] = 20; pn_field->attr.rr_entry.PN.h.version[0] = 1; if (sizeof (fnode->inode->st.st_rdev) > 4) cd9660_bothendian_dword( (uint64_t)fnode->inode->st.st_rdev >> 32, pn_field->attr.rr_entry.PN.high); else cd9660_bothendian_dword(0, pn_field->attr.rr_entry.PN.high); cd9660_bothendian_dword(fnode->inode->st.st_rdev & 0xffffffff, pn_field->attr.rr_entry.PN.low); return 1; } #if 0 int cd9660node_rrip_nm(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *file_node) { int nm_length = strlen(file_node->isoDirRecord->name) + 5; p->attr.rr_entry.NM.h.type[0] = 'N'; p->attr.rr_entry.NM.h.type[1] = 'M'; sprintf(p->attr.rr_entry.NM.altname, "%s", file_node->isoDirRecord->name); p->attr.rr_entry.NM.h.length[0] = (unsigned char)nm_length; p->attr.rr_entry.NM.h.version[0] = (unsigned char)1; p->attr.rr_entry.NM.flags[0] = (unsigned char) NM_PARENT; return 1; } #endif int cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *p, fsnode *_node) { p->attr.rr_entry.TF.flags[0] = TF_MODIFY | TF_ACCESS | TF_ATTRIBUTES; p->attr.rr_entry.TF.h.length[0] = 5; p->attr.rr_entry.TF.h.version[0] = 1; /* * Need to add creation time, backup time, * expiration time, and effective time. */ cd9660_time_915(p->attr.rr_entry.TF.timestamp, _node->inode->st.st_atime); p->attr.rr_entry.TF.h.length[0] += 7; cd9660_time_915(p->attr.rr_entry.TF.timestamp + 7, _node->inode->st.st_mtime); p->attr.rr_entry.TF.h.length[0] += 7; cd9660_time_915(p->attr.rr_entry.TF.timestamp + 14, _node->inode->st.st_ctime); p->attr.rr_entry.TF.h.length[0] += 7; return 1; } int cd9660_susp_sp(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused) { p->attr.su_entry.SP.h.length[0] = 7; p->attr.su_entry.SP.h.version[0] = 1; p->attr.su_entry.SP.check[0] = 0xBE; p->attr.su_entry.SP.check[1] = 0xEF; p->attr.su_entry.SP.len_skp[0] = 0; return 1; } int cd9660_susp_st(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *stinfo __unused) { p->attr.su_entry.ST.h.type[0] = 'S'; p->attr.su_entry.ST.h.type[1] = 'T'; p->attr.su_entry.ST.h.length[0] = 4; p->attr.su_entry.ST.h.version[0] = 1; return 1; } int cd9660_susp_ce(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused) { p->attr.su_entry.CE.h.length[0] = 28; p->attr.su_entry.CE.h.version[0] = 1; /* Other attributes dont matter right now, will be updated later */ return 1; } int cd9660_susp_pd(struct ISO_SUSP_ATTRIBUTES *p __unused, int length __unused) { return 1; } void cd9660_rrip_add_NM(cd9660node *node, const char *name) { int working,len; const char *p; struct ISO_SUSP_ATTRIBUTES *r; /* * Each NM record has 254 byes to work with. This means that * the name data itself only has 249 bytes to work with. So, a * name with 251 characters would require two nm records. */ p = name; working = 1; while (working) { r = cd9660node_susp_create_node(SUSP_TYPE_RRIP, SUSP_ENTRY_RRIP_NM, "NM", SUSP_LOC_ENTRY); r->attr.rr_entry.NM.h.version[0] = 1; r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_NONE; len = strlen(p); if (len > 249) { len = 249; r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_CONTINUE; } else { working = 0; } memcpy(r->attr.rr_entry.NM.altname, p, len); r->attr.rr_entry.NM.h.length[0] = 5 + len; TAILQ_INSERT_TAIL(&node->head, r, rr_ll); p += len; } } void cd9660_rrip_NM(cd9660node *node) { cd9660_rrip_add_NM(node, node->node->name); } struct ISO_SUSP_ATTRIBUTES* cd9660_susp_ER(cd9660node *node, u_char ext_version, const char* ext_id, const char* ext_des, const char* ext_src) { int l; struct ISO_SUSP_ATTRIBUTES *r; r = cd9660node_susp_create_node(SUSP_TYPE_SUSP, SUSP_ENTRY_SUSP_ER, "ER", SUSP_LOC_DOT); /* Fixed data is 8 bytes */ r->attr.su_entry.ER.h.length[0] = 8; r->attr.su_entry.ER.h.version[0] = 1; r->attr.su_entry.ER.len_id[0] = (u_char)strlen(ext_id); r->attr.su_entry.ER.len_des[0] = (u_char)strlen(ext_des); r->attr.su_entry.ER.len_src[0] = (u_char)strlen(ext_src); l = r->attr.su_entry.ER.len_id[0] + r->attr.su_entry.ER.len_src[0] + r->attr.su_entry.ER.len_des[0]; /* Everything must fit. */ assert(l + r->attr.su_entry.ER.h.length[0] <= 254); r->attr.su_entry.ER.h.length[0] += (u_char)l; r->attr.su_entry.ER.ext_ver[0] = ext_version; memcpy(r->attr.su_entry.ER.ext_data, ext_id, (int)r->attr.su_entry.ER.len_id[0]); l = (int) r->attr.su_entry.ER.len_id[0]; memcpy(r->attr.su_entry.ER.ext_data + l,ext_des, (int)r->attr.su_entry.ER.len_des[0]); l += (int)r->attr.su_entry.ER.len_des[0]; memcpy(r->attr.su_entry.ER.ext_data + l,ext_src, (int)r->attr.su_entry.ER.len_src[0]); TAILQ_INSERT_TAIL(&node->head, r, rr_ll); return r; } struct ISO_SUSP_ATTRIBUTES* cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES *last __unused, cd9660node *node __unused) { return NULL; }