create.c revision 1.19
1 /* $NetBSD: create.c,v 1.19 1998/11/03 15:14:40 christos 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 1.19 1998/11/03 15:14:40 christos Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 #include <dirent.h> 48 #include <errno.h> 49 #include <fcntl.h> 50 #include <fts.h> 51 #include <grp.h> 52 #include <pwd.h> 53 #include <stdio.h> 54 #include <string.h> 55 #include <time.h> 56 #include <unistd.h> 57 #include "mtree.h" 58 #include "extern.h" 59 60 #define INDENTNAMELEN 15 61 #define MAXLINELEN 80 62 63 extern int crc_total, ftsoptions; 64 extern int dflag, sflag; 65 extern int keys; 66 extern char fullpath[MAXPATHLEN]; 67 68 static gid_t gid; 69 static uid_t uid; 70 static mode_t mode; 71 static u_long flags; 72 73 static int dsort __P((const FTSENT **, const FTSENT **)); 74 static void output __P((int *, const char *, ...)); 75 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, 76 u_long *)); 77 static void statf __P((FTSENT *)); 78 79 void 80 cwalk() 81 { 82 FTS *t; 83 FTSENT *p; 84 time_t clock; 85 char *argv[2], host[MAXHOSTNAMELEN + 1]; 86 87 (void)time(&clock); 88 (void)gethostname(host, sizeof(host)); 89 host[sizeof(host) - 1] = '\0'; 90 (void)printf( 91 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 92 getlogin(), host, fullpath, ctime(&clock)); 93 94 argv[0] = "."; 95 argv[1] = NULL; 96 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 97 mtree_err("fts_open: %s", strerror(errno)); 98 while ((p = fts_read(t)) != NULL) 99 switch(p->fts_info) { 100 case FTS_D: 101 (void)printf("\n# %s\n", p->fts_path); 102 statd(t, p, &uid, &gid, &mode, &flags); 103 statf(p); 104 break; 105 case FTS_DP: 106 if (p->fts_level > 0) 107 (void)printf("# %s\n..\n\n", p->fts_path); 108 break; 109 case FTS_DNR: 110 case FTS_ERR: 111 case FTS_NS: 112 (void)fprintf(stderr, 113 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 114 break; 115 default: 116 if (!dflag) 117 statf(p); 118 break; 119 120 } 121 (void)fts_close(t); 122 if (sflag && keys & F_CKSUM) 123 (void)fprintf(stderr, 124 "mtree: %s checksum: %u\n", fullpath, crc_total); 125 } 126 127 static void 128 statf(p) 129 FTSENT *p; 130 { 131 struct group *gr; 132 struct passwd *pw; 133 u_int32_t len, val; 134 int fd, indent; 135 136 if (S_ISDIR(p->fts_statp->st_mode)) 137 indent = printf("%s", p->fts_name); 138 else 139 indent = printf(" %s", p->fts_name); 140 141 if (indent > INDENTNAMELEN) 142 indent = MAXLINELEN; 143 else 144 indent += printf("%*s", INDENTNAMELEN - indent, ""); 145 146 if (!S_ISREG(p->fts_statp->st_mode)) 147 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 148 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 149 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 150 output(&indent, "uname=%s", pw->pw_name); 151 else /* if (keys & F_UID) */ 152 output(&indent, "uid=%u", p->fts_statp->st_uid); 153 } 154 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 155 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 156 output(&indent, "gname=%s", gr->gr_name); 157 else /* if (keys & F_GID) */ 158 output(&indent, "gid=%u", p->fts_statp->st_gid); 159 } 160 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 161 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 162 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 163 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 164 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 165 output(&indent, "size=%qd", p->fts_statp->st_size); 166 #ifndef __APPLE__ 167 if (keys & F_TIME) 168 output(&indent, "time=%ld.%ld", 169 p->fts_statp->st_mtimespec.tv_sec, 170 p->fts_statp->st_mtimespec.tv_nsec); 171 #else 172 if (keys & F_TIME) 173 output(&indent, "time=%ld.%ld", 174 p->fts_statp->st_mtimespec.ts_sec, 175 p->fts_statp->st_mtimespec.ts_nsec); 176 #endif 177 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 178 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 179 crc(fd, &val, &len)) 180 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 181 (void)close(fd); 182 output(&indent, "cksum=%lu", val); 183 } 184 if (keys & F_SLINK && 185 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 186 output(&indent, "link=%s", rlink(p->fts_accpath)); 187 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 188 output(&indent, "flags=%s", 189 flags_to_string(p->fts_statp->st_flags, "none")); 190 (void)putchar('\n'); 191 } 192 193 #define MTREE_MAXGID 5000 194 #define MTREE_MAXUID 5000 195 #define MTREE_MAXMODE MBITS + 1 196 #define MTREE_MAXFLAGS 256 197 #define MTREE_MAXS 16 198 199 static int 200 statd(t, parent, puid, pgid, pmode, pflags) 201 FTS *t; 202 FTSENT *parent; 203 uid_t *puid; 204 gid_t *pgid; 205 mode_t *pmode; 206 u_long *pflags; 207 { 208 FTSENT *p; 209 gid_t sgid; 210 uid_t suid; 211 mode_t smode; 212 u_long sflags; 213 struct group *gr; 214 struct passwd *pw; 215 gid_t savegid; 216 uid_t saveuid; 217 mode_t savemode; 218 u_long saveflags; 219 u_short maxgid, maxuid, maxmode, maxflags; 220 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 221 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 222 223 savegid = 0; 224 saveuid = 0; 225 savemode = 0; 226 saveflags = 0; 227 if ((p = fts_children(t, 0)) == NULL) { 228 if (errno) 229 mtree_err("%s: %s", RP(parent), strerror(errno)); 230 return (1); 231 } 232 233 memset(g, 0, sizeof(g)); 234 memset(u, 0, sizeof(u)); 235 memset(m, 0, sizeof(m)); 236 memset(f, 0, sizeof(f)); 237 238 maxuid = maxgid = maxmode = maxflags = 0; 239 for (; p; p = p->fts_link) { 240 smode = p->fts_statp->st_mode & MBITS; 241 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 242 savemode = smode; 243 maxmode = m[smode]; 244 } 245 sgid = p->fts_statp->st_gid; 246 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 247 savegid = sgid; 248 maxgid = g[sgid]; 249 } 250 suid = p->fts_statp->st_uid; 251 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 252 saveuid = suid; 253 maxuid = u[suid]; 254 } 255 /* 256 * XXX 257 * note that the below will break when file flags are extended 258 * beyond the first 4 bytes of each half word of the flags 259 */ 260 #define FLAGS2IDX(f) ((f & 0xf) | ((f >> 12) & 0xf0)) 261 262 sflags = p->fts_statp->st_flags; 263 if (FLAGS2IDX(sflags) < MTREE_MAXFLAGS && 264 ++f[FLAGS2IDX(sflags)] > maxflags) { 265 saveflags = sflags; 266 maxflags = u[FLAGS2IDX(sflags)]; 267 } 268 } 269 (void)printf("/set type=file"); 270 if (keys & F_GID) 271 (void)printf(" gid=%u", savegid); 272 if (keys & F_GNAME) { 273 if ((gr = getgrgid(savegid)) != NULL) 274 (void)printf(" gname=%s", gr->gr_name); 275 else 276 (void)printf(" gid=%u", savegid); 277 } 278 if (keys & F_UNAME) { 279 if ((pw = getpwuid(saveuid)) != NULL) 280 (void)printf(" uname=%s", pw->pw_name); 281 else 282 (void)printf(" uid=%u", saveuid); 283 } 284 if (keys & F_UID) 285 (void)printf(" uid=%u", saveuid); 286 if (keys & F_MODE) 287 (void)printf(" mode=%#o", savemode); 288 if (keys & F_NLINK) 289 (void)printf(" nlink=1"); 290 if (keys & F_FLAGS && saveflags) 291 (void)printf(" flags=%s", 292 flags_to_string(saveflags, "none")); 293 (void)printf("\n"); 294 *puid = saveuid; 295 *pgid = savegid; 296 *pmode = savemode; 297 *pflags = saveflags; 298 return (0); 299 } 300 301 static int 302 dsort(a, b) 303 const FTSENT **a, **b; 304 { 305 if (S_ISDIR((*a)->fts_statp->st_mode)) { 306 if (!S_ISDIR((*b)->fts_statp->st_mode)) 307 return (1); 308 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 309 return (-1); 310 return (strcmp((*a)->fts_name, (*b)->fts_name)); 311 } 312 313 #if __STDC__ 314 #include <stdarg.h> 315 #else 316 #include <varargs.h> 317 #endif 318 319 void 320 #if __STDC__ 321 output(int *offset, const char *fmt, ...) 322 #else 323 output(offset, fmt, va_alist) 324 int *offset; 325 char *fmt; 326 va_dcl 327 #endif 328 { 329 va_list ap; 330 char buf[1024]; 331 #if __STDC__ 332 va_start(ap, fmt); 333 #else 334 va_start(ap); 335 #endif 336 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 337 va_end(ap); 338 339 if (*offset + strlen(buf) > MAXLINELEN - 3) { 340 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 341 *offset = INDENTNAMELEN; 342 } 343 *offset += printf(" %s", buf) + 1; 344 } 345
Indexes created Tue Sep 23 21:09:50 GMT 2025