create.c revision 1.17
1 /* $NetBSD: create.c,v 1.17 1998/10/08 02:04:56 wsanchez 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 1.17 1998/10/08 02:04:56 wsanchez 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 u_short keys; 66 extern char fullpath[MAXPATHLEN]; 67 68 static gid_t gid; 69 static uid_t uid; 70 static mode_t mode; 71 72 static int dsort __P((const FTSENT **, const FTSENT **)); 73 static void output __P((int *, const char *, ...)); 74 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 75 static void statf __P((FTSENT *)); 76 77 void 78 cwalk() 79 { 80 FTS *t; 81 FTSENT *p; 82 time_t clock; 83 char *argv[2], host[MAXHOSTNAMELEN + 1]; 84 85 (void)time(&clock); 86 (void)gethostname(host, sizeof(host)); 87 host[sizeof(host) - 1] = '\0'; 88 (void)printf( 89 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 90 getlogin(), host, fullpath, ctime(&clock)); 91 92 argv[0] = "."; 93 argv[1] = NULL; 94 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 95 mtree_err("fts_open: %s", strerror(errno)); 96 while ((p = fts_read(t)) != NULL) 97 switch(p->fts_info) { 98 case FTS_D: 99 (void)printf("\n# %s\n", p->fts_path); 100 statd(t, p, &uid, &gid, &mode); 101 statf(p); 102 break; 103 case FTS_DP: 104 if (p->fts_level > 0) 105 (void)printf("# %s\n..\n\n", p->fts_path); 106 break; 107 case FTS_DNR: 108 case FTS_ERR: 109 case FTS_NS: 110 (void)fprintf(stderr, 111 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 112 break; 113 default: 114 if (!dflag) 115 statf(p); 116 break; 117 118 } 119 (void)fts_close(t); 120 if (sflag && keys & F_CKSUM) 121 (void)fprintf(stderr, 122 "mtree: %s checksum: %u\n", fullpath, crc_total); 123 } 124 125 static void 126 statf(p) 127 FTSENT *p; 128 { 129 struct group *gr; 130 struct passwd *pw; 131 u_int32_t len, val; 132 int fd, indent; 133 134 if (S_ISDIR(p->fts_statp->st_mode)) 135 indent = printf("%s", p->fts_name); 136 else 137 indent = printf(" %s", p->fts_name); 138 139 if (indent > INDENTNAMELEN) 140 indent = MAXLINELEN; 141 else 142 indent += printf("%*s", INDENTNAMELEN - indent, ""); 143 144 if (!S_ISREG(p->fts_statp->st_mode)) 145 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 146 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 147 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 148 output(&indent, "uname=%s", pw->pw_name); 149 else /* if (keys & F_UID) */ 150 output(&indent, "uid=%u", p->fts_statp->st_uid); 151 } 152 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 153 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 154 output(&indent, "gname=%s", gr->gr_name); 155 else /* if (keys & F_GID) */ 156 output(&indent, "gid=%u", p->fts_statp->st_gid); 157 } 158 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 159 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 160 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 161 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 162 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 163 output(&indent, "size=%qd", p->fts_statp->st_size); 164 #ifndef __APPLE__ 165 if (keys & F_TIME) 166 output(&indent, "time=%ld.%ld", 167 p->fts_statp->st_mtimespec.tv_sec, 168 p->fts_statp->st_mtimespec.tv_nsec); 169 #else 170 if (keys & F_TIME) 171 output(&indent, "time=%ld.%ld", 172 p->fts_statp->st_mtimespec.ts_sec, 173 p->fts_statp->st_mtimespec.ts_nsec); 174 #endif 175 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 176 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 177 crc(fd, &val, &len)) 178 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 179 (void)close(fd); 180 output(&indent, "cksum=%lu", val); 181 } 182 if (keys & F_SLINK && 183 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 184 output(&indent, "link=%s", rlink(p->fts_accpath)); 185 (void)putchar('\n'); 186 } 187 188 #define MAXGID 5000 189 #define MAXUID 5000 190 #define MAXMODE MBITS + 1 191 192 static int 193 statd(t, parent, puid, pgid, pmode) 194 FTS *t; 195 FTSENT *parent; 196 uid_t *puid; 197 gid_t *pgid; 198 mode_t *pmode; 199 { 200 FTSENT *p; 201 gid_t sgid; 202 uid_t suid; 203 mode_t smode; 204 struct group *gr; 205 struct passwd *pw; 206 gid_t savegid; 207 uid_t saveuid; 208 mode_t savemode; 209 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 210 211 savegid = 0; 212 saveuid = 0; 213 savemode = 0; 214 if ((p = fts_children(t, 0)) == NULL) { 215 if (errno) 216 mtree_err("%s: %s", RP(parent), strerror(errno)); 217 return (1); 218 } 219 220 memset(g, 0, sizeof(g)); 221 memset(u, 0, sizeof(u)); 222 memset(m, 0, sizeof(m)); 223 224 maxuid = maxgid = maxmode = 0; 225 for (; p; p = p->fts_link) { 226 smode = p->fts_statp->st_mode & MBITS; 227 if (smode < MAXMODE && ++m[smode] > maxmode) { 228 savemode = smode; 229 maxmode = m[smode]; 230 } 231 sgid = p->fts_statp->st_gid; 232 if (sgid < MAXGID && ++g[sgid] > maxgid) { 233 savegid = sgid; 234 maxgid = g[sgid]; 235 } 236 suid = p->fts_statp->st_uid; 237 if (suid < MAXUID && ++u[suid] > maxuid) { 238 saveuid = suid; 239 maxuid = u[suid]; 240 } 241 } 242 (void)printf("/set type=file"); 243 if (keys & F_GID) 244 (void)printf(" gid=%u", savegid); 245 if (keys & F_GNAME) { 246 if ((gr = getgrgid(savegid)) != NULL) 247 (void)printf(" gname=%s", gr->gr_name); 248 else 249 (void)printf(" gid=%u", savegid); 250 } 251 if (keys & F_UNAME) { 252 if ((pw = getpwuid(saveuid)) != NULL) 253 (void)printf(" uname=%s", pw->pw_name); 254 else 255 (void)printf(" uid=%u", saveuid); 256 } 257 if (keys & F_UID) 258 (void)printf(" uid=%u", saveuid); 259 if (keys & F_MODE) 260 (void)printf(" mode=%#o", savemode); 261 if (keys & F_NLINK) 262 (void)printf(" nlink=1"); 263 (void)printf("\n"); 264 *puid = saveuid; 265 *pgid = savegid; 266 *pmode = savemode; 267 return (0); 268 } 269 270 static int 271 dsort(a, b) 272 const FTSENT **a, **b; 273 { 274 if (S_ISDIR((*a)->fts_statp->st_mode)) { 275 if (!S_ISDIR((*b)->fts_statp->st_mode)) 276 return (1); 277 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 278 return (-1); 279 return (strcmp((*a)->fts_name, (*b)->fts_name)); 280 } 281 282 #if __STDC__ 283 #include <stdarg.h> 284 #else 285 #include <varargs.h> 286 #endif 287 288 void 289 #if __STDC__ 290 output(int *offset, const char *fmt, ...) 291 #else 292 output(offset, fmt, va_alist) 293 int *offset; 294 char *fmt; 295 va_dcl 296 #endif 297 { 298 va_list ap; 299 char buf[1024]; 300 #if __STDC__ 301 va_start(ap, fmt); 302 #else 303 va_start(ap); 304 #endif 305 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 306 va_end(ap); 307 308 if (*offset + strlen(buf) > MAXLINELEN - 3) { 309 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 310 *offset = INDENTNAMELEN; 311 } 312 *offset += printf(" %s", buf) + 1; 313 } 314
Indexes created Mon Sep 22 13:09:51 GMT 2025