create.c revision 1.34
1 /* $NetBSD: create.c,v 1.34 2001/10/18 05:06:02 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 1.34 2001/10/18 05:06:02 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 <string.h> 58 #include <time.h> 59 #include <unistd.h> 60 #include <vis.h> 61 62 #include "mtree.h" 63 #include "extern.h" 64 65 #define INDENTNAMELEN 15 66 #define MAXLINELEN 80 67 #define VISFLAGS VIS_CSTYLE 68 69 static gid_t gid; 70 static uid_t uid; 71 static mode_t mode; 72 static u_long flags; 73 static char codebuf[4*MAXPATHLEN + 1]; 74 static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' }; 75 76 static int dsort(const FTSENT **, const FTSENT **); 77 static void output(int *, const char *, ...) 78 __attribute__((__format__(__printf__, 2, 3))); 79 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 80 static void statf(FTSENT *); 81 82 void 83 cwalk(void) 84 { 85 FTS *t; 86 FTSENT *p; 87 time_t clocktime; 88 char host[MAXHOSTNAMELEN + 1]; 89 char dot[] = "."; /* XXX: work around gcc warning */ 90 char *argv[] = { dot, NULL }; 91 92 (void)time(&clocktime); 93 (void)gethostname(host, sizeof(host)); 94 host[sizeof(host) - 1] = '\0'; 95 (void)printf( 96 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 97 getlogin(), host, fullpath, ctime(&clocktime)); 98 99 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 100 mtree_err("fts_open: %s", strerror(errno)); 101 while ((p = fts_read(t)) != NULL) 102 switch(p->fts_info) { 103 case FTS_D: 104 (void)printf("\n# %s\n", p->fts_path); 105 statd(t, p, &uid, &gid, &mode, &flags); 106 statf(p); 107 break; 108 case FTS_DP: 109 if (p->fts_level > 0) 110 (void)printf("# %s\n..\n\n", p->fts_path); 111 break; 112 case FTS_DNR: 113 case FTS_ERR: 114 case FTS_NS: 115 (void)fprintf(stderr, 116 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 117 break; 118 default: 119 if (!dflag) 120 statf(p); 121 break; 122 123 } 124 (void)fts_close(t); 125 if (sflag && keys & F_CKSUM) 126 (void)fprintf(stderr, 127 "mtree: %s checksum: %u\n", fullpath, crc_total); 128 } 129 130 static void 131 statf(FTSENT *p) 132 { 133 u_int32_t len, val; 134 int fd, indent; 135 char md5buf[33], *md5cp; 136 const char *name; 137 138 strsvis(codebuf, p->fts_name, VISFLAGS, extra); 139 if (S_ISDIR(p->fts_statp->st_mode)) 140 indent = printf("%s", codebuf); 141 else 142 indent = printf(" %s", codebuf); 143 144 if (indent > INDENTNAMELEN) 145 indent = MAXLINELEN; 146 else 147 indent += printf("%*s", INDENTNAMELEN - indent, ""); 148 149 if (!S_ISREG(p->fts_statp->st_mode)) 150 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 151 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 152 if (keys & F_UNAME && 153 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 154 output(&indent, "uname=%s", name); 155 else /* if (keys & F_UID) */ 156 output(&indent, "uid=%u", p->fts_statp->st_uid); 157 } 158 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 159 if (keys & F_GNAME && 160 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 161 output(&indent, "gname=%s", name); 162 else /* if (keys & F_GID) */ 163 output(&indent, "gid=%u", p->fts_statp->st_gid); 164 } 165 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 166 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 167 if (keys & F_DEV && 168 (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) 169 output(&indent, "device=%#x", p->fts_statp->st_rdev); 170 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 171 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 172 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 173 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 174 #ifdef BSD4_4 175 if (keys & F_TIME) 176 output(&indent, "time=%ld.%ld", 177 (long)p->fts_statp->st_mtimespec.tv_sec, 178 p->fts_statp->st_mtimespec.tv_nsec); 179 #else 180 output(&indent, "time=%ld.%ld", 181 p->fts_statp->st_mtime, 0); 182 #endif 183 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 184 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 185 crc(fd, &val, &len)) 186 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 187 (void)close(fd); 188 output(&indent, "cksum=%lu", (long)val); 189 } 190 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 191 if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL) 192 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 193 output(&indent, "md5=%s", md5cp); 194 } 195 if (keys & F_SLINK && 196 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 197 output(&indent, "link=%s", rlink(p->fts_accpath)); 198 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 199 output(&indent, "flags=%s", 200 flags_to_string(p->fts_statp->st_flags, "none")); 201 (void)putchar('\n'); 202 } 203 204 /* XXX 205 * FLAGS2INDEX will fail once the user and system settable bits need more 206 * than one byte, respectively. 207 */ 208 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 209 210 #define MTREE_MAXGID 5000 211 #define MTREE_MAXUID 5000 212 #define MTREE_MAXMODE (MBITS + 1) 213 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 214 #define MTREE_MAXS 16 215 216 static int 217 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 218 u_long *pflags) 219 { 220 FTSENT *p; 221 gid_t sgid; 222 uid_t suid; 223 mode_t smode; 224 u_long sflags; 225 const char *name; 226 gid_t savegid; 227 uid_t saveuid; 228 mode_t savemode; 229 u_long saveflags; 230 u_short maxgid, maxuid, maxmode, maxflags; 231 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 232 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 233 234 savegid = 0; 235 saveuid = 0; 236 savemode = 0; 237 saveflags = 0; 238 if ((p = fts_children(t, 0)) == NULL) { 239 if (errno) 240 mtree_err("%s: %s", RP(parent), strerror(errno)); 241 return (1); 242 } 243 244 memset(g, 0, sizeof(g)); 245 memset(u, 0, sizeof(u)); 246 memset(m, 0, sizeof(m)); 247 memset(f, 0, sizeof(f)); 248 249 maxuid = maxgid = maxmode = maxflags = 0; 250 for (; p; p = p->fts_link) { 251 smode = p->fts_statp->st_mode & MBITS; 252 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 253 savemode = smode; 254 maxmode = m[smode]; 255 } 256 sgid = p->fts_statp->st_gid; 257 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 258 savegid = sgid; 259 maxgid = g[sgid]; 260 } 261 suid = p->fts_statp->st_uid; 262 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 263 saveuid = suid; 264 maxuid = u[suid]; 265 } 266 267 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 268 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 269 saveflags = p->fts_statp->st_flags; 270 maxflags = f[sflags]; 271 } 272 } 273 (void)printf("/set type=file"); 274 if (keys & F_GID) 275 (void)printf(" gid=%lu", (u_long)savegid); 276 if (keys & F_GNAME) { 277 if ((name = group_from_gid(savegid, 1)) != NULL) 278 (void)printf(" gname=%s", name); 279 else 280 (void)printf(" gid=%lu", (u_long)savegid); 281 } 282 if (keys & F_UNAME) { 283 if ((name = user_from_uid(saveuid, 1)) != NULL) 284 (void)printf(" uname=%s", name); 285 else 286 (void)printf(" uid=%lu", (u_long)saveuid); 287 } 288 if (keys & F_UID) 289 (void)printf(" uid=%lu", (u_long)saveuid); 290 if (keys & F_MODE) 291 (void)printf(" mode=%#lo", (u_long)savemode); 292 if (keys & F_NLINK) 293 (void)printf(" nlink=1"); 294 if (keys & F_FLAGS) 295 (void)printf(" flags=%s", 296 flags_to_string(saveflags, "none")); 297 (void)printf("\n"); 298 *puid = saveuid; 299 *pgid = savegid; 300 *pmode = savemode; 301 *pflags = saveflags; 302 return (0); 303 } 304 305 static int 306 dsort(const FTSENT **a, const FTSENT **b) 307 { 308 309 if (S_ISDIR((*a)->fts_statp->st_mode)) { 310 if (!S_ISDIR((*b)->fts_statp->st_mode)) 311 return (1); 312 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 313 return (-1); 314 return (strcmp((*a)->fts_name, (*b)->fts_name)); 315 } 316 317 void 318 output(int *offset, const char *fmt, ...) 319 { 320 va_list ap; 321 char buf[1024]; 322 323 va_start(ap, fmt); 324 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 325 va_end(ap); 326 327 if (*offset + strlen(buf) > MAXLINELEN - 3) { 328 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 329 *offset = INDENTNAMELEN; 330 } 331 *offset += printf(" %s", buf) + 1; 332 } 333
Indexes created Tue Sep 23 22:09:46 GMT 2025