1 /* $OpenBSD: verify.c,v 1.21 2016/08/16 16:41:46 krw Exp $ */ 2 /* $NetBSD: verify.c,v 1.10 1995/03/07 21:26:28 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/stat.h> 34 #include <dirent.h> 35 #include <fts.h> 36 #include <fnmatch.h> 37 #include <unistd.h> 38 #include <errno.h> 39 #include <stdio.h> 40 #include <limits.h> 41 #include "mtree.h" 42 #include "extern.h" 43 44 extern u_int32_t crc_total; 45 extern int ftsoptions; 46 extern int dflag, eflag, qflag, rflag, sflag, uflag; 47 extern char fullpath[PATH_MAX]; 48 49 static NODE *root; 50 static char path[PATH_MAX]; 51 52 static void miss(NODE *, char *, size_t); 53 static int vwalk(void); 54 55 int 56 verify(void) 57 { 58 int rval; 59 60 root = spec(); 61 rval = vwalk(); 62 miss(root, path, sizeof(path)); 63 return (rval); 64 } 65 66 static int 67 vwalk(void) 68 { 69 FTS *t; 70 FTSENT *p; 71 NODE *ep, *level; 72 int specdepth, rval; 73 char *argv[2]; 74 75 argv[0] = "."; 76 argv[1] = NULL; 77 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 78 error("fts_open: %s", strerror(errno)); 79 level = root; 80 specdepth = rval = 0; 81 while ((p = fts_read(t))) { 82 switch(p->fts_info) { 83 case FTS_D: 84 break; 85 case FTS_DP: 86 if (specdepth > p->fts_level) { 87 for (level = level->parent; level->prev; 88 level = level->prev); 89 --specdepth; 90 } 91 continue; 92 case FTS_DNR: 93 case FTS_ERR: 94 case FTS_NS: 95 (void)fprintf(stderr, "mtree: %s: %s\n", 96 RP(p), strerror(p->fts_errno)); 97 continue; 98 default: 99 if (dflag) 100 continue; 101 } 102 103 if (specdepth != p->fts_level) 104 goto extra; 105 for (ep = level; ep; ep = ep->next) 106 if ((ep->flags & F_MAGIC && 107 !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) || 108 !strcmp(ep->name, p->fts_name)) { 109 ep->flags |= F_VISIT; 110 if ((ep->flags & F_NOCHANGE) == 0 && 111 compare(ep->name, ep, p)) 112 rval = MISMATCHEXIT; 113 if (ep->flags & F_IGN) 114 (void)fts_set(t, p, FTS_SKIP); 115 else if (ep->child && ep->type == F_DIR && 116 p->fts_info == FTS_D) { 117 level = ep->child; 118 ++specdepth; 119 } 120 break; 121 } 122 123 if (ep) 124 continue; 125 extra: 126 if (!eflag) { 127 (void)printf("extra: %s", RP(p)); 128 if (rflag) { 129 if ((S_ISDIR(p->fts_statp->st_mode) 130 ? rmdir : unlink)(p->fts_accpath)) { 131 (void)printf(", not removed: %s", 132 strerror(errno)); 133 rval = ERROREXIT; 134 } else 135 (void)printf(", removed"); 136 } else 137 rval = MISMATCHEXIT; 138 (void)putchar('\n'); 139 } 140 (void)fts_set(t, p, FTS_SKIP); 141 } 142 (void)fts_close(t); 143 if (sflag) 144 (void)fprintf(stderr, 145 "mtree: %s checksum: %u\n", fullpath, crc_total); 146 return (rval); 147 } 148 149 static void 150 miss(NODE *p, char *tail, size_t len) 151 { 152 int create; 153 char *tp; 154 155 for (; p; p = p->next) { 156 if ((p->flags & F_OPT) && !(p->flags & F_VISIT)) 157 continue; 158 if (p->type != F_DIR && (dflag || p->flags & F_VISIT)) 159 continue; 160 (void)strlcpy(tail, p->name, len); 161 if (!(p->flags & F_VISIT)) { 162 /* Don't print missing message if file exists as a 163 symbolic link and the -q flag is set. */ 164 struct stat statbuf; 165 166 if (qflag && stat(path, &statbuf) == 0) 167 p->flags |= F_VISIT; 168 else 169 (void)printf("missing: %s", path); 170 } 171 if (p->type != F_DIR) { 172 putchar('\n'); 173 continue; 174 } 175 176 create = 0; 177 if (!(p->flags & F_VISIT) && uflag) { 178 if (!(p->flags & (F_UID | F_UNAME))) 179 (void)printf(" (not created: user not specified)"); 180 else if (!(p->flags & (F_GID | F_GNAME))) 181 (void)printf(" (not created: group not specified)"); 182 else if (!(p->flags & F_MODE)) 183 (void)printf(" (not created: mode not specified)"); 184 else if (mkdir(path, S_IRWXU)) 185 (void)printf(" (not created: %s)", 186 strerror(errno)); 187 else { 188 create = 1; 189 (void)printf(" (created)"); 190 } 191 } 192 193 if (!(p->flags & F_VISIT)) 194 (void)putchar('\n'); 195 196 for (tp = tail; *tp; ++tp); 197 *tp = '/'; 198 miss(p->child, tp + 1, len - (tp + 1 - tail)); 199 *tp = '\0'; 200 201 if (!create) 202 continue; 203 if (chown(path, p->st_uid, p->st_gid)) { 204 (void)printf("%s: user/group/mode not modified: %s\n", 205 path, strerror(errno)); 206 continue; 207 } 208 if (chmod(path, p->st_mode)) 209 (void)printf("%s: permissions not set: %s\n", 210 path, strerror(errno)); 211 } 212 } 213