1d347a0daSSam Leffler /* $NetBSD: walk.c,v 1.17 2004/06/20 22:20:18 jmc Exp $ */ 2d347a0daSSam Leffler 3d347a0daSSam Leffler /* 4d347a0daSSam Leffler * Copyright (c) 2001 Wasabi Systems, Inc. 5d347a0daSSam Leffler * All rights reserved. 6d347a0daSSam Leffler * 7d347a0daSSam Leffler * Written by Luke Mewburn for Wasabi Systems, Inc. 8d347a0daSSam Leffler * 9d347a0daSSam Leffler * Redistribution and use in source and binary forms, with or without 10d347a0daSSam Leffler * modification, are permitted provided that the following conditions 11d347a0daSSam Leffler * are met: 12d347a0daSSam Leffler * 1. Redistributions of source code must retain the above copyright 13d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer. 14d347a0daSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 15d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer in the 16d347a0daSSam Leffler * documentation and/or other materials provided with the distribution. 17d347a0daSSam Leffler * 3. All advertising materials mentioning features or use of this software 18d347a0daSSam Leffler * must display the following acknowledgement: 19d347a0daSSam Leffler * This product includes software developed for the NetBSD Project by 20d347a0daSSam Leffler * Wasabi Systems, Inc. 21d347a0daSSam Leffler * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22d347a0daSSam Leffler * or promote products derived from this software without specific prior 23d347a0daSSam Leffler * written permission. 24d347a0daSSam Leffler * 25d347a0daSSam Leffler * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26d347a0daSSam Leffler * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27d347a0daSSam Leffler * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28d347a0daSSam Leffler * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29d347a0daSSam Leffler * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30d347a0daSSam Leffler * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31d347a0daSSam Leffler * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32d347a0daSSam Leffler * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33d347a0daSSam Leffler * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34d347a0daSSam Leffler * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35d347a0daSSam Leffler * POSSIBILITY OF SUCH DAMAGE. 36d347a0daSSam Leffler */ 37d347a0daSSam Leffler 38d347a0daSSam Leffler /* 39d347a0daSSam Leffler * The function link_check() was inspired from NetBSD's usr.bin/du/du.c, 40d347a0daSSam Leffler * which has the following copyright notice: 41d347a0daSSam Leffler * 42d347a0daSSam Leffler * 43d347a0daSSam Leffler * Copyright (c) 1989, 1993, 1994 44d347a0daSSam Leffler * The Regents of the University of California. All rights reserved. 45d347a0daSSam Leffler * 46d347a0daSSam Leffler * This code is derived from software contributed to Berkeley by 47d347a0daSSam Leffler * Chris Newcomb. 48d347a0daSSam Leffler * 49d347a0daSSam Leffler * Redistribution and use in source and binary forms, with or without 50d347a0daSSam Leffler * modification, are permitted provided that the following conditions 51d347a0daSSam Leffler * are met: 52d347a0daSSam Leffler * 1. Redistributions of source code must retain the above copyright 53d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer. 54d347a0daSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 55d347a0daSSam Leffler * notice, this list of conditions and the following disclaimer in the 56d347a0daSSam Leffler * documentation and/or other materials provided with the distribution. 57d347a0daSSam Leffler * 3. Neither the name of the University nor the names of its contributors 58d347a0daSSam Leffler * may be used to endorse or promote products derived from this software 59d347a0daSSam Leffler * without specific prior written permission. 60d347a0daSSam Leffler * 61d347a0daSSam Leffler * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 62d347a0daSSam Leffler * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 63d347a0daSSam Leffler * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 64d347a0daSSam Leffler * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 65d347a0daSSam Leffler * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 66d347a0daSSam Leffler * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 67d347a0daSSam Leffler * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 68d347a0daSSam Leffler * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 69d347a0daSSam Leffler * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 70d347a0daSSam Leffler * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 71d347a0daSSam Leffler * SUCH DAMAGE. 72d347a0daSSam Leffler */ 73d347a0daSSam Leffler 74d347a0daSSam Leffler #include <sys/cdefs.h> 75d347a0daSSam Leffler __FBSDID("$FreeBSD$"); 76d347a0daSSam Leffler 77d347a0daSSam Leffler #include <sys/param.h> 78d347a0daSSam Leffler 79d347a0daSSam Leffler #include <assert.h> 80d347a0daSSam Leffler #include <errno.h> 81d347a0daSSam Leffler #include <fcntl.h> 82d347a0daSSam Leffler #include <stdio.h> 83d347a0daSSam Leffler #include <dirent.h> 84d347a0daSSam Leffler #include <stdlib.h> 85d347a0daSSam Leffler #include <string.h> 86d347a0daSSam Leffler #include <unistd.h> 87d347a0daSSam Leffler 88d347a0daSSam Leffler #include "makefs.h" 89d347a0daSSam Leffler 90d347a0daSSam Leffler #include "mtree.h" 91d347a0daSSam Leffler #include "extern.h" /* NB: mtree */ 92d347a0daSSam Leffler 93d347a0daSSam Leffler static void apply_specdir(const char *, NODE *, fsnode *); 94d347a0daSSam Leffler static void apply_specentry(const char *, NODE *, fsnode *); 95d347a0daSSam Leffler static fsnode *create_fsnode(const char *, struct stat *); 96d347a0daSSam Leffler static fsinode *link_check(fsinode *); 97d347a0daSSam Leffler 98d347a0daSSam Leffler 99d347a0daSSam Leffler /* 100d347a0daSSam Leffler * walk_dir -- 101d347a0daSSam Leffler * build a tree of fsnodes from `dir', with a parent fsnode of `parent' 102d347a0daSSam Leffler * (which may be NULL for the root of the tree). 103d347a0daSSam Leffler * each "level" is a directory, with the "." entry guaranteed to be 104d347a0daSSam Leffler * at the start of the list, and without ".." entries. 105d347a0daSSam Leffler */ 106d347a0daSSam Leffler fsnode * 107d347a0daSSam Leffler walk_dir(const char *dir, fsnode *parent) 108d347a0daSSam Leffler { 109d347a0daSSam Leffler fsnode *first, *cur, *prev; 110d347a0daSSam Leffler DIR *dirp; 111d347a0daSSam Leffler struct dirent *dent; 112d347a0daSSam Leffler char path[MAXPATHLEN + 1]; 113d347a0daSSam Leffler struct stat stbuf; 114d347a0daSSam Leffler 115d347a0daSSam Leffler assert(dir != NULL); 116d347a0daSSam Leffler 117d347a0daSSam Leffler if (debug & DEBUG_WALK_DIR) 118d347a0daSSam Leffler printf("walk_dir: %s %p\n", dir, parent); 119d347a0daSSam Leffler if ((dirp = opendir(dir)) == NULL) 120d347a0daSSam Leffler err(1, "Can't opendir `%s'", dir); 121d347a0daSSam Leffler first = prev = NULL; 122d347a0daSSam Leffler while ((dent = readdir(dirp)) != NULL) { 123d347a0daSSam Leffler if (strcmp(dent->d_name, "..") == 0) 124d347a0daSSam Leffler continue; 125d347a0daSSam Leffler if (debug & DEBUG_WALK_DIR_NODE) 126d347a0daSSam Leffler printf("scanning %s/%s\n", dir, dent->d_name); 127d347a0daSSam Leffler if (snprintf(path, sizeof(path), "%s/%s", dir, dent->d_name) 128d347a0daSSam Leffler >= sizeof(path)) 129d347a0daSSam Leffler errx(1, "Pathname too long."); 130d347a0daSSam Leffler if (lstat(path, &stbuf) == -1) 131d347a0daSSam Leffler err(1, "Can't lstat `%s'", path); 132d347a0daSSam Leffler #ifdef S_ISSOCK 133d347a0daSSam Leffler if (S_ISSOCK(stbuf.st_mode & S_IFMT)) { 134d347a0daSSam Leffler if (debug & DEBUG_WALK_DIR_NODE) 135d347a0daSSam Leffler printf(" skipping socket %s\n", path); 136d347a0daSSam Leffler continue; 137d347a0daSSam Leffler } 138d347a0daSSam Leffler #endif 139d347a0daSSam Leffler 140d347a0daSSam Leffler cur = create_fsnode(dent->d_name, &stbuf); 141d347a0daSSam Leffler cur->parent = parent; 142d347a0daSSam Leffler if (strcmp(dent->d_name, ".") == 0) { 143d347a0daSSam Leffler /* ensure "." is at the start of the list */ 144d347a0daSSam Leffler cur->next = first; 145d347a0daSSam Leffler first = cur; 146d347a0daSSam Leffler if (! prev) 147d347a0daSSam Leffler prev = cur; 148d347a0daSSam Leffler } else { /* not "." */ 149d347a0daSSam Leffler if (prev) 150d347a0daSSam Leffler prev->next = cur; 151d347a0daSSam Leffler prev = cur; 152d347a0daSSam Leffler if (!first) 153d347a0daSSam Leffler first = cur; 154d347a0daSSam Leffler if (S_ISDIR(cur->type)) { 155d347a0daSSam Leffler cur->child = walk_dir(path, cur); 156d347a0daSSam Leffler continue; 157d347a0daSSam Leffler } 158d347a0daSSam Leffler } 159d347a0daSSam Leffler if (stbuf.st_nlink > 1) { 160d347a0daSSam Leffler fsinode *curino; 161d347a0daSSam Leffler 162d347a0daSSam Leffler curino = link_check(cur->inode); 163d347a0daSSam Leffler if (curino != NULL) { 164d347a0daSSam Leffler free(cur->inode); 165d347a0daSSam Leffler cur->inode = curino; 166d347a0daSSam Leffler cur->inode->nlink++; 167d347a0daSSam Leffler } 168d347a0daSSam Leffler } 169d347a0daSSam Leffler if (S_ISLNK(cur->type)) { 170d347a0daSSam Leffler char slink[PATH_MAX+1]; 171d347a0daSSam Leffler int llen; 172d347a0daSSam Leffler 173d347a0daSSam Leffler llen = readlink(path, slink, sizeof(slink) - 1); 174d347a0daSSam Leffler if (llen == -1) 175d347a0daSSam Leffler err(1, "Readlink `%s'", path); 176d347a0daSSam Leffler slink[llen] = '\0'; 177d347a0daSSam Leffler if ((cur->symlink = strdup(slink)) == NULL) 178d347a0daSSam Leffler err(1, "Memory allocation error"); 179d347a0daSSam Leffler } 180d347a0daSSam Leffler } 181d347a0daSSam Leffler for (cur = first; cur != NULL; cur = cur->next) 182d347a0daSSam Leffler cur->first = first; 183d347a0daSSam Leffler if (closedir(dirp) == -1) 184d347a0daSSam Leffler err(1, "Can't closedir `%s'", dir); 185d347a0daSSam Leffler return (first); 186d347a0daSSam Leffler } 187d347a0daSSam Leffler 188d347a0daSSam Leffler static fsnode * 189d347a0daSSam Leffler create_fsnode(const char *name, struct stat *stbuf) 190d347a0daSSam Leffler { 191d347a0daSSam Leffler fsnode *cur; 192d347a0daSSam Leffler 193d347a0daSSam Leffler if ((cur = calloc(1, sizeof(fsnode))) == NULL || 194d347a0daSSam Leffler (cur->name = strdup(name)) == NULL || 195d347a0daSSam Leffler (cur->inode = calloc(1, sizeof(fsinode))) == NULL) 196d347a0daSSam Leffler err(1, "Memory allocation error"); 197d347a0daSSam Leffler cur->type = stbuf->st_mode & S_IFMT; 198d347a0daSSam Leffler cur->inode->nlink = 1; 199d347a0daSSam Leffler cur->inode->st = *stbuf; 200d347a0daSSam Leffler return (cur); 201d347a0daSSam Leffler } 202d347a0daSSam Leffler 203d347a0daSSam Leffler /* 204d347a0daSSam Leffler * apply_specfile -- 205d347a0daSSam Leffler * read in the mtree(8) specfile, and apply it to the tree 206d347a0daSSam Leffler * at dir,parent. parameters in parent on equivalent types 207d347a0daSSam Leffler * will be changed to those found in specfile, and missing 208d347a0daSSam Leffler * entries will be added. 209d347a0daSSam Leffler */ 210d347a0daSSam Leffler void 211d347a0daSSam Leffler apply_specfile(const char *specfile, const char *dir, fsnode *parent) 212d347a0daSSam Leffler { 213d347a0daSSam Leffler struct timeval start; 214d347a0daSSam Leffler FILE *fp; 215d347a0daSSam Leffler NODE *root; 216d347a0daSSam Leffler 217d347a0daSSam Leffler assert(specfile != NULL); 218d347a0daSSam Leffler assert(parent != NULL); 219d347a0daSSam Leffler 220d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECFILE) 221d347a0daSSam Leffler printf("apply_specfile: %s, %s %p\n", specfile, dir, parent); 222d347a0daSSam Leffler 223d347a0daSSam Leffler /* read in the specfile */ 224d347a0daSSam Leffler if ((fp = fopen(specfile, "r")) == NULL) 225d347a0daSSam Leffler err(1, "Can't open `%s'", specfile); 226d347a0daSSam Leffler TIMER_START(start); 227d347a0daSSam Leffler root = mtree_readspec(fp); 228d347a0daSSam Leffler TIMER_RESULTS(start, "spec"); 229d347a0daSSam Leffler if (fclose(fp) == EOF) 230d347a0daSSam Leffler err(1, "Can't close `%s'", specfile); 231d347a0daSSam Leffler 232d347a0daSSam Leffler /* perform some sanity checks */ 233d347a0daSSam Leffler if (root == NULL) 234d347a0daSSam Leffler errx(1, "Specfile `%s' did not contain a tree", specfile); 235d347a0daSSam Leffler assert(strcmp(root->name, ".") == 0); 236d347a0daSSam Leffler assert(root->type == F_DIR); 237d347a0daSSam Leffler 238d347a0daSSam Leffler /* merge in the changes */ 239d347a0daSSam Leffler apply_specdir(dir, root, parent); 240d347a0daSSam Leffler } 241d347a0daSSam Leffler 242d347a0daSSam Leffler static u_int 243d347a0daSSam Leffler nodetoino(u_int type) 244d347a0daSSam Leffler { 245d347a0daSSam Leffler 246d347a0daSSam Leffler switch (type) { 247d347a0daSSam Leffler case F_BLOCK: 248d347a0daSSam Leffler return S_IFBLK; 249d347a0daSSam Leffler case F_CHAR: 250d347a0daSSam Leffler return S_IFCHR; 251d347a0daSSam Leffler case F_DIR: 252d347a0daSSam Leffler return S_IFDIR; 253d347a0daSSam Leffler case F_FIFO: 254d347a0daSSam Leffler return S_IFIFO; 255d347a0daSSam Leffler case F_FILE: 256d347a0daSSam Leffler return S_IFREG; 257d347a0daSSam Leffler case F_LINK: 258d347a0daSSam Leffler return S_IFLNK; 259d347a0daSSam Leffler case F_SOCK: 260d347a0daSSam Leffler return S_IFSOCK; 261d347a0daSSam Leffler default: 262d347a0daSSam Leffler printf("unknown type %d", type); 263d347a0daSSam Leffler abort(); 264d347a0daSSam Leffler } 265d347a0daSSam Leffler /* NOTREACHED */ 266d347a0daSSam Leffler } 267d347a0daSSam Leffler 268d347a0daSSam Leffler static void 269d347a0daSSam Leffler apply_specdir(const char *dir, NODE *specnode, fsnode *dirnode) 270d347a0daSSam Leffler { 271d347a0daSSam Leffler char path[MAXPATHLEN + 1]; 272d347a0daSSam Leffler NODE *curnode; 273d347a0daSSam Leffler fsnode *curfsnode; 274d347a0daSSam Leffler 275d347a0daSSam Leffler assert(specnode != NULL); 276d347a0daSSam Leffler assert(dirnode != NULL); 277d347a0daSSam Leffler 278d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECFILE) 279d347a0daSSam Leffler printf("apply_specdir: %s %p %p\n", dir, specnode, dirnode); 280d347a0daSSam Leffler 281d347a0daSSam Leffler if (specnode->type != F_DIR) 282d347a0daSSam Leffler errx(1, "Specfile node `%s/%s' is not a directory", 283d347a0daSSam Leffler dir, specnode->name); 284d347a0daSSam Leffler if (dirnode->type != S_IFDIR) 285d347a0daSSam Leffler errx(1, "Directory node `%s/%s' is not a directory", 286d347a0daSSam Leffler dir, dirnode->name); 287d347a0daSSam Leffler 288d347a0daSSam Leffler apply_specentry(dir, specnode, dirnode); 289d347a0daSSam Leffler 290d347a0daSSam Leffler /* now walk specnode->child matching up with dirnode */ 291d347a0daSSam Leffler for (curnode = specnode->child; curnode != NULL; 292d347a0daSSam Leffler curnode = curnode->next) { 293d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECENTRY) 294d347a0daSSam Leffler printf("apply_specdir: spec %s\n", 295d347a0daSSam Leffler curnode->name); 296d347a0daSSam Leffler for (curfsnode = dirnode->next; curfsnode != NULL; 297d347a0daSSam Leffler curfsnode = curfsnode->next) { 298d347a0daSSam Leffler #if 0 /* too verbose for now */ 299d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECENTRY) 300d347a0daSSam Leffler printf("apply_specdir: dirent %s\n", 301d347a0daSSam Leffler curfsnode->name); 302d347a0daSSam Leffler #endif 303d347a0daSSam Leffler if (strcmp(curnode->name, curfsnode->name) == 0) 304d347a0daSSam Leffler break; 305d347a0daSSam Leffler } 306d347a0daSSam Leffler if (snprintf(path, sizeof(path), "%s/%s", 307d347a0daSSam Leffler dir, curnode->name) >= sizeof(path)) 308d347a0daSSam Leffler errx(1, "Pathname too long."); 309d347a0daSSam Leffler if (curfsnode == NULL) { /* need new entry */ 310d347a0daSSam Leffler struct stat stbuf; 311d347a0daSSam Leffler 312d347a0daSSam Leffler /* 313d347a0daSSam Leffler * don't add optional spec entries 314d347a0daSSam Leffler * that lack an existing fs entry 315d347a0daSSam Leffler */ 316d347a0daSSam Leffler if ((curnode->flags & F_OPT) && 317d347a0daSSam Leffler lstat(path, &stbuf) == -1) 318d347a0daSSam Leffler continue; 319d347a0daSSam Leffler 320d347a0daSSam Leffler /* check that enough info is provided */ 321d347a0daSSam Leffler #define NODETEST(t, m) \ 322d347a0daSSam Leffler if (!(t)) \ 323d347a0daSSam Leffler errx(1, "`%s': %s not provided", path, m) 324d347a0daSSam Leffler NODETEST(curnode->flags & F_TYPE, "type"); 325d347a0daSSam Leffler NODETEST(curnode->flags & F_MODE, "mode"); 326d347a0daSSam Leffler /* XXX: require F_TIME ? */ 327d347a0daSSam Leffler NODETEST(curnode->flags & F_GID || 328d347a0daSSam Leffler curnode->flags & F_GNAME, "group"); 329d347a0daSSam Leffler NODETEST(curnode->flags & F_UID || 330d347a0daSSam Leffler curnode->flags & F_UNAME, "user"); 331d347a0daSSam Leffler #undef NODETEST 332d347a0daSSam Leffler 333d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECFILE) 334d347a0daSSam Leffler printf("apply_specdir: adding %s\n", 335d347a0daSSam Leffler curnode->name); 336d347a0daSSam Leffler /* build minimal fsnode */ 337d347a0daSSam Leffler memset(&stbuf, 0, sizeof(stbuf)); 338d347a0daSSam Leffler stbuf.st_mode = nodetoino(curnode->type); 339d347a0daSSam Leffler stbuf.st_nlink = 1; 340d347a0daSSam Leffler stbuf.st_mtime = stbuf.st_atime = 341d347a0daSSam Leffler stbuf.st_ctime = start_time.tv_sec; 342d347a0daSSam Leffler #if HAVE_STRUCT_STAT_ST_MTIMENSEC 343d347a0daSSam Leffler stbuf.st_mtimensec = stbuf.st_atimensec = 344d347a0daSSam Leffler stbuf.st_ctimensec = start_time.tv_nsec; 345d347a0daSSam Leffler #endif 346d347a0daSSam Leffler curfsnode = create_fsnode(curnode->name, &stbuf); 347d347a0daSSam Leffler curfsnode->parent = dirnode->parent; 348d347a0daSSam Leffler curfsnode->first = dirnode; 349d347a0daSSam Leffler curfsnode->next = dirnode->next; 350d347a0daSSam Leffler dirnode->next = curfsnode; 351d347a0daSSam Leffler if (curfsnode->type == S_IFDIR) { 352d347a0daSSam Leffler /* for dirs, make "." entry as well */ 353d347a0daSSam Leffler curfsnode->child = create_fsnode(".", &stbuf); 354d347a0daSSam Leffler curfsnode->child->parent = curfsnode; 355d347a0daSSam Leffler curfsnode->child->first = curfsnode->child; 356d347a0daSSam Leffler } 357d347a0daSSam Leffler if (curfsnode->type == S_IFLNK) { 358d347a0daSSam Leffler assert(curnode->slink != NULL); 359d347a0daSSam Leffler /* for symlinks, copy the target */ 360d347a0daSSam Leffler if ((curfsnode->symlink = 361d347a0daSSam Leffler strdup(curnode->slink)) == NULL) 362d347a0daSSam Leffler err(1, "Memory allocation error"); 363d347a0daSSam Leffler } 364d347a0daSSam Leffler } 365d347a0daSSam Leffler apply_specentry(dir, curnode, curfsnode); 366d347a0daSSam Leffler if (curnode->type == F_DIR) { 367d347a0daSSam Leffler if (curfsnode->type != S_IFDIR) 368d347a0daSSam Leffler errx(1, "`%s' is not a directory", path); 369d347a0daSSam Leffler assert (curfsnode->child != NULL); 370d347a0daSSam Leffler apply_specdir(path, curnode, curfsnode->child); 371d347a0daSSam Leffler } 372d347a0daSSam Leffler } 373d347a0daSSam Leffler } 374d347a0daSSam Leffler 375d347a0daSSam Leffler static void 376d347a0daSSam Leffler apply_specentry(const char *dir, NODE *specnode, fsnode *dirnode) 377d347a0daSSam Leffler { 378d347a0daSSam Leffler 379d347a0daSSam Leffler assert(specnode != NULL); 380d347a0daSSam Leffler assert(dirnode != NULL); 381d347a0daSSam Leffler 382d347a0daSSam Leffler if (nodetoino(specnode->type) != dirnode->type) 383d347a0daSSam Leffler errx(1, "`%s/%s' type mismatch: specfile %s, tree %s", 384d347a0daSSam Leffler dir, specnode->name, inode_type(nodetoino(specnode->type)), 385d347a0daSSam Leffler inode_type(dirnode->type)); 386d347a0daSSam Leffler 387d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECENTRY) 388d347a0daSSam Leffler printf("apply_specentry: %s/%s\n", dir, dirnode->name); 389d347a0daSSam Leffler 390d347a0daSSam Leffler #define ASEPRINT(t, b, o, n) \ 391d347a0daSSam Leffler if (debug & DEBUG_APPLY_SPECENTRY) \ 392d347a0daSSam Leffler printf("\t\t\tchanging %s from " b " to " b "\n", \ 393d347a0daSSam Leffler t, o, n) 394d347a0daSSam Leffler 395d347a0daSSam Leffler if (specnode->flags & (F_GID | F_GNAME)) { 396d347a0daSSam Leffler ASEPRINT("gid", "%d", 397d347a0daSSam Leffler dirnode->inode->st.st_gid, specnode->st_gid); 398d347a0daSSam Leffler dirnode->inode->st.st_gid = specnode->st_gid; 399d347a0daSSam Leffler } 400d347a0daSSam Leffler if (specnode->flags & F_MODE) { 401d347a0daSSam Leffler ASEPRINT("mode", "%#o", 402d347a0daSSam Leffler dirnode->inode->st.st_mode & ALLPERMS, specnode->st_mode); 403d347a0daSSam Leffler dirnode->inode->st.st_mode &= ~ALLPERMS; 404d347a0daSSam Leffler dirnode->inode->st.st_mode |= (specnode->st_mode & ALLPERMS); 405d347a0daSSam Leffler } 406d347a0daSSam Leffler /* XXX: ignoring F_NLINK for now */ 407d347a0daSSam Leffler if (specnode->flags & F_SIZE) { 408d347a0daSSam Leffler ASEPRINT("size", "%lld", 409d347a0daSSam Leffler (long long)dirnode->inode->st.st_size, 410d347a0daSSam Leffler (long long)specnode->st_size); 411d347a0daSSam Leffler dirnode->inode->st.st_size = specnode->st_size; 412d347a0daSSam Leffler } 413d347a0daSSam Leffler if (specnode->flags & F_SLINK) { 414d347a0daSSam Leffler assert(dirnode->symlink != NULL); 415d347a0daSSam Leffler assert(specnode->slink != NULL); 416d347a0daSSam Leffler ASEPRINT("symlink", "%s", dirnode->symlink, specnode->slink); 417d347a0daSSam Leffler free(dirnode->symlink); 418d347a0daSSam Leffler if ((dirnode->symlink = strdup(specnode->slink)) == NULL) 419d347a0daSSam Leffler err(1, "Memory allocation error"); 420d347a0daSSam Leffler } 421d347a0daSSam Leffler if (specnode->flags & F_TIME) { 422d347a0daSSam Leffler ASEPRINT("time", "%ld", 423d347a0daSSam Leffler (long)dirnode->inode->st.st_mtime, 424d347a0daSSam Leffler (long)specnode->st_mtimespec.tv_sec); 425d347a0daSSam Leffler dirnode->inode->st.st_mtime = specnode->st_mtimespec.tv_sec; 426d347a0daSSam Leffler dirnode->inode->st.st_atime = specnode->st_mtimespec.tv_sec; 427d347a0daSSam Leffler dirnode->inode->st.st_ctime = start_time.tv_sec; 428d347a0daSSam Leffler #if HAVE_STRUCT_STAT_ST_MTIMENSEC 429d347a0daSSam Leffler dirnode->inode->st.st_mtimensec = specnode->st_mtimespec.tv_nsec; 430d347a0daSSam Leffler dirnode->inode->st.st_atimensec = specnode->st_mtimespec.tv_nsec; 431d347a0daSSam Leffler dirnode->inode->st.st_ctimensec = start_time.tv_nsec; 432d347a0daSSam Leffler #endif 433d347a0daSSam Leffler } 434d347a0daSSam Leffler if (specnode->flags & (F_UID | F_UNAME)) { 435d347a0daSSam Leffler ASEPRINT("uid", "%d", 436d347a0daSSam Leffler dirnode->inode->st.st_uid, specnode->st_uid); 437d347a0daSSam Leffler dirnode->inode->st.st_uid = specnode->st_uid; 438d347a0daSSam Leffler } 439d347a0daSSam Leffler #if HAVE_STRUCT_STAT_ST_FLAGS 440d347a0daSSam Leffler if (specnode->flags & F_FLAGS) { 441d347a0daSSam Leffler ASEPRINT("flags", "%#lX", 442d347a0daSSam Leffler (unsigned long)dirnode->inode->st.st_flags, 443d347a0daSSam Leffler (unsigned long)specnode->st_flags); 444d347a0daSSam Leffler dirnode->inode->st.st_flags = specnode->st_flags; 445d347a0daSSam Leffler } 446d347a0daSSam Leffler #endif 447d347a0daSSam Leffler #undef ASEPRINT 448d347a0daSSam Leffler 449d347a0daSSam Leffler dirnode->flags |= FSNODE_F_HASSPEC; 450d347a0daSSam Leffler } 451d347a0daSSam Leffler 452d347a0daSSam Leffler 453d347a0daSSam Leffler /* 454d347a0daSSam Leffler * dump_fsnodes -- 455d347a0daSSam Leffler * dump the fsnodes from `cur', based in the directory `dir' 456d347a0daSSam Leffler */ 457d347a0daSSam Leffler void 458d347a0daSSam Leffler dump_fsnodes(const char *dir, fsnode *root) 459d347a0daSSam Leffler { 460d347a0daSSam Leffler fsnode *cur; 461d347a0daSSam Leffler char path[MAXPATHLEN + 1]; 462d347a0daSSam Leffler 463d347a0daSSam Leffler assert (dir != NULL); 464d347a0daSSam Leffler printf("dump_fsnodes: %s %p\n", dir, root); 465d347a0daSSam Leffler for (cur = root; cur != NULL; cur = cur->next) { 466d347a0daSSam Leffler if (snprintf(path, sizeof(path), "%s/%s", dir, cur->name) 467d347a0daSSam Leffler >= sizeof(path)) 468d347a0daSSam Leffler errx(1, "Pathname too long."); 469d347a0daSSam Leffler 470d347a0daSSam Leffler if (debug & DEBUG_DUMP_FSNODES_VERBOSE) 471d347a0daSSam Leffler printf("cur=%8p parent=%8p first=%8p ", 472d347a0daSSam Leffler cur, cur->parent, cur->first); 473d347a0daSSam Leffler printf("%7s: %s", inode_type(cur->type), path); 474d347a0daSSam Leffler if (S_ISLNK(cur->type)) { 475d347a0daSSam Leffler assert(cur->symlink != NULL); 476d347a0daSSam Leffler printf(" -> %s", cur->symlink); 477d347a0daSSam Leffler } else { 478d347a0daSSam Leffler assert (cur->symlink == NULL); 479d347a0daSSam Leffler } 480d347a0daSSam Leffler if (cur->inode->nlink > 1) 481d347a0daSSam Leffler printf(", nlinks=%d", cur->inode->nlink); 482d347a0daSSam Leffler putchar('\n'); 483d347a0daSSam Leffler 484d347a0daSSam Leffler if (cur->child) { 485d347a0daSSam Leffler assert (cur->type == S_IFDIR); 486d347a0daSSam Leffler dump_fsnodes(path, cur->child); 487d347a0daSSam Leffler } 488d347a0daSSam Leffler } 489d347a0daSSam Leffler printf("dump_fsnodes: finished %s\n", dir); 490d347a0daSSam Leffler } 491d347a0daSSam Leffler 492d347a0daSSam Leffler 493d347a0daSSam Leffler /* 494d347a0daSSam Leffler * inode_type -- 495d347a0daSSam Leffler * for a given inode type `mode', return a descriptive string. 496d347a0daSSam Leffler */ 497d347a0daSSam Leffler const char * 498d347a0daSSam Leffler inode_type(mode_t mode) 499d347a0daSSam Leffler { 500d347a0daSSam Leffler 501d347a0daSSam Leffler if (S_ISREG(mode)) 502d347a0daSSam Leffler return ("file"); 503d347a0daSSam Leffler if (S_ISLNK(mode)) 504d347a0daSSam Leffler return ("symlink"); 505d347a0daSSam Leffler if (S_ISDIR(mode)) 506d347a0daSSam Leffler return ("dir"); 507d347a0daSSam Leffler if (S_ISLNK(mode)) 508d347a0daSSam Leffler return ("link"); 509d347a0daSSam Leffler if (S_ISFIFO(mode)) 510d347a0daSSam Leffler return ("fifo"); 511d347a0daSSam Leffler if (S_ISSOCK(mode)) 512d347a0daSSam Leffler return ("socket"); 513d347a0daSSam Leffler /* XXX should not happen but handle them */ 514d347a0daSSam Leffler if (S_ISCHR(mode)) 515d347a0daSSam Leffler return ("char"); 516d347a0daSSam Leffler if (S_ISBLK(mode)) 517d347a0daSSam Leffler return ("block"); 518d347a0daSSam Leffler return ("unknown"); 519d347a0daSSam Leffler } 520d347a0daSSam Leffler 521d347a0daSSam Leffler 522d347a0daSSam Leffler /* 523d347a0daSSam Leffler * link_check -- 524d347a0daSSam Leffler * return pointer to fsnode matching `entry's st_ino & st_dev if it exists, 525d347a0daSSam Leffler * otherwise add `entry' to table and return NULL 526d347a0daSSam Leffler */ 527d347a0daSSam Leffler static fsinode * 528d347a0daSSam Leffler link_check(fsinode *entry) 529d347a0daSSam Leffler { 530d347a0daSSam Leffler static struct dupnode { 531d347a0daSSam Leffler uint32_t dev; 532d347a0daSSam Leffler uint64_t ino; 533d347a0daSSam Leffler fsinode *dup; 534d347a0daSSam Leffler } *dups, *newdups; 535d347a0daSSam Leffler static int ndups, maxdups; 536d347a0daSSam Leffler 537d347a0daSSam Leffler int i; 538d347a0daSSam Leffler 539d347a0daSSam Leffler assert (entry != NULL); 540d347a0daSSam Leffler 541d347a0daSSam Leffler /* XXX; maybe traverse in reverse for speed? */ 542d347a0daSSam Leffler for (i = 0; i < ndups; i++) { 543d347a0daSSam Leffler if (dups[i].dev == entry->st.st_dev && 544d347a0daSSam Leffler dups[i].ino == entry->st.st_ino) { 545d347a0daSSam Leffler if (debug & DEBUG_WALK_DIR_LINKCHECK) 546d347a0daSSam Leffler printf("link_check: found [%d,%d]\n", 547d347a0daSSam Leffler entry->st.st_dev, entry->st.st_ino); 548d347a0daSSam Leffler return (dups[i].dup); 549d347a0daSSam Leffler } 550d347a0daSSam Leffler } 551d347a0daSSam Leffler 552d347a0daSSam Leffler if (debug & DEBUG_WALK_DIR_LINKCHECK) 553d347a0daSSam Leffler printf("link_check: no match for [%d, %d]\n", 554d347a0daSSam Leffler entry->st.st_dev, entry->st.st_ino); 555d347a0daSSam Leffler if (ndups == maxdups) { 556d347a0daSSam Leffler if ((newdups = realloc(dups, sizeof(struct dupnode) * (maxdups + 128))) 557d347a0daSSam Leffler == NULL) 558d347a0daSSam Leffler err(1, "Memory allocation error"); 559d347a0daSSam Leffler dups = newdups; 560d347a0daSSam Leffler maxdups += 128; 561d347a0daSSam Leffler } 562d347a0daSSam Leffler dups[ndups].dev = entry->st.st_dev; 563d347a0daSSam Leffler dups[ndups].ino = entry->st.st_ino; 564d347a0daSSam Leffler dups[ndups].dup = entry; 565d347a0daSSam Leffler ndups++; 566d347a0daSSam Leffler 567d347a0daSSam Leffler return (NULL); 568d347a0daSSam Leffler } 569