create.c revision 1.13
1 /* $NetBSD: create.c,v 1.13 1997/10/17 11:46:35 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 1.13 1997/10/17 11:46:35 lukem 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]; 84 85 (void)time(&clock); 86 (void)gethostname(host, sizeof(host)); 87 (void)printf( 88 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 89 getlogin(), host, fullpath, ctime(&clock)); 90 91 argv[0] = "."; 92 argv[1] = NULL; 93 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 94 err("fts_open: %s", strerror(errno)); 95 while ((p = fts_read(t)) != NULL) 96 switch(p->fts_info) { 97 case FTS_D: 98 (void)printf("\n# %s\n", p->fts_path); 99 statd(t, p, &uid, &gid, &mode); 100 statf(p); 101 break; 102 case FTS_DP: 103 if (p->fts_level > 0) 104 (void)printf("# %s\n..\n\n", p->fts_path); 105 break; 106 case FTS_DNR: 107 case FTS_ERR: 108 case FTS_NS: 109 (void)fprintf(stderr, 110 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 111 break; 112 default: 113 if (!dflag) 114 statf(p); 115 break; 116 117 } 118 (void)fts_close(t); 119 if (sflag && keys & F_CKSUM) 120 (void)fprintf(stderr, 121 "mtree: %s checksum: %u\n", fullpath, crc_total); 122 } 123 124 static void 125 statf(p) 126 FTSENT *p; 127 { 128 struct group *gr; 129 struct passwd *pw; 130 u_long len, val; 131 int fd, indent; 132 133 if (S_ISDIR(p->fts_statp->st_mode)) 134 indent = printf("%s", p->fts_name); 135 else 136 indent = printf(" %s", p->fts_name); 137 138 if (indent > INDENTNAMELEN) 139 indent = MAXLINELEN; 140 else 141 indent += printf("%*s", INDENTNAMELEN - indent, ""); 142 143 if (!S_ISREG(p->fts_statp->st_mode)) 144 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 145 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) 146 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 147 output(&indent, "uname=%s", pw->pw_name); 148 else /* if (keys & F_UID) */ 149 output(&indent, "uid=%u", p->fts_statp->st_uid); 150 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) 151 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 152 output(&indent, "gname=%s", gr->gr_name); 153 else /* if (keys & F_GID) */ 154 output(&indent, "gid=%u", p->fts_statp->st_gid); 155 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 156 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 157 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 158 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 159 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 160 output(&indent, "size=%qd", p->fts_statp->st_size); 161 if (keys & F_TIME) 162 output(&indent, "time=%ld.%ld", 163 p->fts_statp->st_mtimespec.tv_sec, 164 p->fts_statp->st_mtimespec.tv_nsec); 165 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 166 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 167 crc(fd, &val, &len)) 168 err("%s: %s", p->fts_accpath, strerror(errno)); 169 (void)close(fd); 170 output(&indent, "cksum=%lu", val); 171 } 172 if (keys & F_SLINK && 173 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 174 output(&indent, "link=%s", rlink(p->fts_accpath)); 175 (void)putchar('\n'); 176 } 177 178 #define MAXGID 5000 179 #define MAXUID 5000 180 #define MAXMODE MBITS + 1 181 182 static int 183 statd(t, parent, puid, pgid, pmode) 184 FTS *t; 185 FTSENT *parent; 186 uid_t *puid; 187 gid_t *pgid; 188 mode_t *pmode; 189 { 190 FTSENT *p; 191 gid_t sgid; 192 uid_t suid; 193 mode_t smode; 194 struct group *gr; 195 struct passwd *pw; 196 gid_t savegid; 197 uid_t saveuid; 198 mode_t savemode; 199 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 200 201 savegid = 0; 202 saveuid = 0; 203 savemode = 0; 204 if ((p = fts_children(t, 0)) == NULL) { 205 if (errno) 206 err("%s: %s", RP(parent), strerror(errno)); 207 return (1); 208 } 209 210 memset(g, 0, sizeof(g)); 211 memset(u, 0, sizeof(u)); 212 memset(m, 0, sizeof(m)); 213 214 maxuid = maxgid = maxmode = 0; 215 for (; p; p = p->fts_link) { 216 smode = p->fts_statp->st_mode & MBITS; 217 if (smode < MAXMODE && ++m[smode] > maxmode) { 218 savemode = smode; 219 maxmode = m[smode]; 220 } 221 sgid = p->fts_statp->st_gid; 222 if (sgid < MAXGID && ++g[sgid] > maxgid) { 223 savegid = sgid; 224 maxgid = g[sgid]; 225 } 226 suid = p->fts_statp->st_uid; 227 if (suid < MAXUID && ++u[suid] > maxuid) { 228 saveuid = suid; 229 maxuid = u[suid]; 230 } 231 } 232 (void)printf("/set type=file"); 233 if (keys & F_GID) 234 (void)printf(" gid=%u", savegid); 235 if (keys & F_GNAME) 236 if ((gr = getgrgid(savegid)) != NULL) 237 (void)printf(" gname=%s", gr->gr_name); 238 else 239 (void)printf(" gid=%u", savegid); 240 if (keys & F_UNAME) 241 if ((pw = getpwuid(saveuid)) != NULL) 242 (void)printf(" uname=%s", pw->pw_name); 243 else 244 (void)printf(" uid=%u", saveuid); 245 if (keys & F_UID) 246 (void)printf(" uid=%u", saveuid); 247 if (keys & F_MODE) 248 (void)printf(" mode=%#o", savemode); 249 if (keys & F_NLINK) 250 (void)printf(" nlink=1"); 251 (void)printf("\n"); 252 *puid = saveuid; 253 *pgid = savegid; 254 *pmode = savemode; 255 return (0); 256 } 257 258 static int 259 dsort(a, b) 260 const FTSENT **a, **b; 261 { 262 if (S_ISDIR((*a)->fts_statp->st_mode)) { 263 if (!S_ISDIR((*b)->fts_statp->st_mode)) 264 return (1); 265 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 266 return (-1); 267 return (strcmp((*a)->fts_name, (*b)->fts_name)); 268 } 269 270 #if __STDC__ 271 #include <stdarg.h> 272 #else 273 #include <varargs.h> 274 #endif 275 276 void 277 #if __STDC__ 278 output(int *offset, const char *fmt, ...) 279 #else 280 output(offset, fmt, va_alist) 281 int *offset; 282 char *fmt; 283 va_dcl 284 #endif 285 { 286 va_list ap; 287 char buf[1024]; 288 #if __STDC__ 289 va_start(ap, fmt); 290 #else 291 va_start(ap); 292 #endif 293 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 294 va_end(ap); 295 296 if (*offset + strlen(buf) > MAXLINELEN - 3) { 297 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 298 *offset = INDENTNAMELEN; 299 } 300 *offset += printf(" %s", buf) + 1; 301 } 302
Indexes created Tue Sep 23 23:09:58 GMT 2025