create.c revision 1.35
1 /* $NetBSD: create.c,v 1.35 2001/10/22 07:07:46 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: create.c,v 1.35 2001/10/22 07:07:46 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #include <dirent.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <fts.h> 52 #include <grp.h> 53 #include <md5.h> 54 #include <pwd.h> 55 #include <stdarg.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <time.h> 60 #include <unistd.h> 61 #include <vis.h> 62 63 #include "mtree.h" 64 #include "extern.h" 65 66 #define INDENTNAMELEN 15 67 #define MAXLINELEN 80 68 #define VISFLAGS VIS_CSTYLE 69 70 static gid_t gid; 71 static uid_t uid; 72 static mode_t mode; 73 static u_long flags; 74 static char codebuf[4*MAXPATHLEN + 1]; 75 static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' }; 76 77 static int dsort(const FTSENT **, const FTSENT **); 78 static void output(int *, const char *, ...) 79 __attribute__((__format__(__printf__, 2, 3))); 80 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 81 static void statf(FTSENT *); 82 83 void 84 cwalk(void) 85 { 86 FTS *t; 87 FTSENT *p; 88 time_t clocktime; 89 char host[MAXHOSTNAMELEN + 1]; 90 char dot[] = "."; /* XXX: work around gcc warning */ 91 char *argv[] = { dot, NULL }; 92 93 (void)time(&clocktime); 94 (void)gethostname(host, sizeof(host)); 95 host[sizeof(host) - 1] = '\0'; 96 (void)printf( 97 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 98 getlogin(), host, fullpath, ctime(&clocktime)); 99 100 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 101 mtree_err("fts_open: %s", strerror(errno)); 102 while ((p = fts_read(t)) != NULL) 103 switch(p->fts_info) { 104 case FTS_D: 105 (void)printf("\n# %s\n", p->fts_path); 106 statd(t, p, &uid, &gid, &mode, &flags); 107 statf(p); 108 break; 109 case FTS_DP: 110 if (p->fts_level > 0) 111 (void)printf("# %s\n..\n\n", p->fts_path); 112 break; 113 case FTS_DNR: 114 case FTS_ERR: 115 case FTS_NS: 116 (void)fprintf(stderr, 117 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 118 break; 119 default: 120 if (!dflag) 121 statf(p); 122 break; 123 124 } 125 (void)fts_close(t); 126 if (sflag && keys & F_CKSUM) 127 (void)fprintf(stderr, 128 "mtree: %s checksum: %u\n", fullpath, crc_total); 129 } 130 131 static void 132 statf(FTSENT *p) 133 { 134 u_int32_t len, val; 135 int fd, indent; 136 char md5buf[33], *md5cp; 137 const char *name; 138 139 strsvis(codebuf, p->fts_name, VISFLAGS, extra); 140 if (S_ISDIR(p->fts_statp->st_mode)) 141 indent = printf("%s", codebuf); 142 else 143 indent = printf(" %s", codebuf); 144 145 if (indent > INDENTNAMELEN) 146 indent = MAXLINELEN; 147 else 148 indent += printf("%*s", INDENTNAMELEN - indent, ""); 149 150 if (!S_ISREG(p->fts_statp->st_mode)) 151 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 152 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 153 if (keys & F_UNAME && 154 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 155 output(&indent, "uname=%s", name); 156 else /* if (keys & F_UID) */ 157 output(&indent, "uid=%u", p->fts_statp->st_uid); 158 } 159 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 160 if (keys & F_GNAME && 161 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 162 output(&indent, "gname=%s", name); 163 else /* if (keys & F_GID) */ 164 output(&indent, "gid=%u", p->fts_statp->st_gid); 165 } 166 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 167 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 168 if (keys & F_DEV && 169 (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) 170 output(&indent, "device=%#x", p->fts_statp->st_rdev); 171 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 172 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 173 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 174 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 175 #ifdef BSD4_4 176 if (keys & F_TIME) 177 output(&indent, "time=%ld.%ld", 178 (long)p->fts_statp->st_mtimespec.tv_sec, 179 p->fts_statp->st_mtimespec.tv_nsec); 180 #else 181 output(&indent, "time=%ld.%ld", 182 p->fts_statp->st_mtime, 0); 183 #endif 184 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 185 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 186 crc(fd, &val, &len)) 187 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 188 (void)close(fd); 189 output(&indent, "cksum=%lu", (long)val); 190 } 191 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 192 if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL) 193 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 194 output(&indent, "md5=%s", md5cp); 195 } 196 if (keys & F_SLINK && 197 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 198 output(&indent, "link=%s", rlink(p->fts_accpath)); 199 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 200 output(&indent, "flags=%s", 201 flags_to_string(p->fts_statp->st_flags, "none")); 202 (void)putchar('\n'); 203 } 204 205 /* XXX 206 * FLAGS2INDEX will fail once the user and system settable bits need more 207 * than one byte, respectively. 208 */ 209 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 210 211 #define MTREE_MAXGID 5000 212 #define MTREE_MAXUID 5000 213 #define MTREE_MAXMODE (MBITS + 1) 214 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 215 #define MTREE_MAXS 16 216 217 static int 218 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 219 u_long *pflags) 220 { 221 FTSENT *p; 222 gid_t sgid; 223 uid_t suid; 224 mode_t smode; 225 u_long sflags; 226 const char *name; 227 gid_t savegid; 228 uid_t saveuid; 229 mode_t savemode; 230 u_long saveflags; 231 u_short maxgid, maxuid, maxmode, maxflags; 232 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 233 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 234 235 savegid = 0; 236 saveuid = 0; 237 savemode = 0; 238 saveflags = 0; 239 if ((p = fts_children(t, 0)) == NULL) { 240 if (errno) 241 mtree_err("%s: %s", RP(parent), strerror(errno)); 242 return (1); 243 } 244 245 memset(g, 0, sizeof(g)); 246 memset(u, 0, sizeof(u)); 247 memset(m, 0, sizeof(m)); 248 memset(f, 0, sizeof(f)); 249 250 maxuid = maxgid = maxmode = maxflags = 0; 251 for (; p; p = p->fts_link) { 252 smode = p->fts_statp->st_mode & MBITS; 253 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 254 savemode = smode; 255 maxmode = m[smode]; 256 } 257 sgid = p->fts_statp->st_gid; 258 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 259 savegid = sgid; 260 maxgid = g[sgid]; 261 } 262 suid = p->fts_statp->st_uid; 263 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 264 saveuid = suid; 265 maxuid = u[suid]; 266 } 267 268 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 269 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 270 saveflags = p->fts_statp->st_flags; 271 maxflags = f[sflags]; 272 } 273 } 274 (void)printf("/set type=file"); 275 if (keys & F_GID) 276 (void)printf(" gid=%lu", (u_long)savegid); 277 if (keys & F_GNAME) { 278 if ((name = group_from_gid(savegid, 1)) != NULL) 279 (void)printf(" gname=%s", name); 280 else 281 (void)printf(" gid=%lu", (u_long)savegid); 282 } 283 if (keys & F_UNAME) { 284 if ((name = user_from_uid(saveuid, 1)) != NULL) 285 (void)printf(" uname=%s", name); 286 else 287 (void)printf(" uid=%lu", (u_long)saveuid); 288 } 289 if (keys & F_UID) 290 (void)printf(" uid=%lu", (u_long)saveuid); 291 if (keys & F_MODE) 292 (void)printf(" mode=%#lo", (u_long)savemode); 293 if (keys & F_NLINK) 294 (void)printf(" nlink=1"); 295 if (keys & F_FLAGS) 296 (void)printf(" flags=%s", 297 flags_to_string(saveflags, "none")); 298 (void)printf("\n"); 299 *puid = saveuid; 300 *pgid = savegid; 301 *pmode = savemode; 302 *pflags = saveflags; 303 return (0); 304 } 305 306 static int 307 dsort(const FTSENT **a, const FTSENT **b) 308 { 309 310 if (S_ISDIR((*a)->fts_statp->st_mode)) { 311 if (!S_ISDIR((*b)->fts_statp->st_mode)) 312 return (1); 313 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 314 return (-1); 315 return (strcmp((*a)->fts_name, (*b)->fts_name)); 316 } 317 318 void 319 output(int *offset, const char *fmt, ...) 320 { 321 va_list ap; 322 char buf[1024]; 323 324 va_start(ap, fmt); 325 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 326 va_end(ap); 327 328 if (*offset + strlen(buf) > MAXLINELEN - 3) { 329 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 330 *offset = INDENTNAMELEN; 331 } 332 *offset += printf(" %s", buf) + 1; 333 } 334
Indexes created Mon Sep 22 21:09:42 GMT 2025