create.c revision 1.10
1 /* $NetBSD: create.c,v 1.10 1996/02/01 00:04:55 jtc 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 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 39 #else 40 static char rcsid[] = "$NetBSD: create.c,v 1.10 1996/02/01 00:04:55 jtc Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 #include <sys/param.h> 45 #include <sys/stat.h> 46 #include <time.h> 47 #include <fcntl.h> 48 #include <fts.h> 49 #include <dirent.h> 50 #include <grp.h> 51 #include <pwd.h> 52 #include <errno.h> 53 #include <unistd.h> 54 #include <stdio.h> 55 #include "mtree.h" 56 #include "extern.h" 57 58 #define INDENTNAMELEN 15 59 #define MAXLINELEN 80 60 61 extern int crc_total, ftsoptions; 62 extern int dflag, sflag; 63 extern u_short keys; 64 extern char fullpath[MAXPATHLEN]; 65 66 static gid_t gid; 67 static uid_t uid; 68 static mode_t mode; 69 70 static int dsort __P((const FTSENT **, const FTSENT **)); 71 static void output __P((int *, const char *, ...)); 72 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 73 static void statf __P((FTSENT *)); 74 75 void 76 cwalk() 77 { 78 register FTS *t; 79 register FTSENT *p; 80 time_t clock; 81 char *argv[2], host[MAXHOSTNAMELEN]; 82 83 (void)time(&clock); 84 (void)gethostname(host, sizeof(host)); 85 (void)printf( 86 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 87 getlogin(), host, fullpath, ctime(&clock)); 88 89 argv[0] = "."; 90 argv[1] = NULL; 91 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 92 err("fts_open: %s", strerror(errno)); 93 while (p = fts_read(t)) 94 switch(p->fts_info) { 95 case FTS_D: 96 (void)printf("\n# %s\n", p->fts_path); 97 statd(t, p, &uid, &gid, &mode); 98 statf(p); 99 break; 100 case FTS_DP: 101 if (p->fts_level > 0) 102 (void)printf("# %s\n..\n\n", p->fts_path); 103 break; 104 case FTS_DNR: 105 case FTS_ERR: 106 case FTS_NS: 107 (void)fprintf(stderr, 108 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 109 break; 110 default: 111 if (!dflag) 112 statf(p); 113 break; 114 115 } 116 (void)fts_close(t); 117 if (sflag && keys & F_CKSUM) 118 (void)fprintf(stderr, 119 "mtree: %s checksum: %lu\n", fullpath, crc_total); 120 } 121 122 static void 123 statf(p) 124 FTSENT *p; 125 { 126 struct group *gr; 127 struct passwd *pw; 128 u_long len, val; 129 int fd, indent; 130 131 if (S_ISDIR(p->fts_statp->st_mode)) 132 indent = printf("%s", p->fts_name); 133 else 134 indent = printf(" %s", p->fts_name); 135 136 if (indent > INDENTNAMELEN) 137 indent = MAXLINELEN; 138 else 139 indent += printf("%*s", INDENTNAMELEN - indent, ""); 140 141 if (!S_ISREG(p->fts_statp->st_mode)) 142 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 143 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) 144 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 145 output(&indent, "uname=%s", pw->pw_name); 146 else /* if (keys & F_UID) */ 147 output(&indent, "uid=%u", p->fts_statp->st_uid); 148 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) 149 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 150 output(&indent, "gname=%s", gr->gr_name); 151 else /* if (keys & F_GID) */ 152 output(&indent, "gid=%u", p->fts_statp->st_gid); 153 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 154 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 155 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 156 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 157 if (keys & F_SIZE) 158 output(&indent, "size=%qd", p->fts_statp->st_size); 159 if (keys & F_TIME) 160 output(&indent, "time=%ld.%ld", 161 p->fts_statp->st_mtimespec.tv_sec, 162 p->fts_statp->st_mtimespec.tv_nsec); 163 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 164 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 165 crc(fd, &val, &len)) 166 err("%s: %s", p->fts_accpath, strerror(errno)); 167 (void)close(fd); 168 output(&indent, "cksum=%lu", val); 169 } 170 if (keys & F_SLINK && 171 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 172 output(&indent, "link=%s", rlink(p->fts_accpath)); 173 (void)putchar('\n'); 174 } 175 176 #define MAXGID 5000 177 #define MAXUID 5000 178 #define MAXMODE MBITS + 1 179 180 static int 181 statd(t, parent, puid, pgid, pmode) 182 FTS *t; 183 FTSENT *parent; 184 uid_t *puid; 185 gid_t *pgid; 186 mode_t *pmode; 187 { 188 register FTSENT *p; 189 register gid_t sgid; 190 register uid_t suid; 191 register mode_t smode; 192 struct group *gr; 193 struct passwd *pw; 194 gid_t savegid; 195 uid_t saveuid; 196 mode_t savemode; 197 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 198 199 if ((p = fts_children(t, 0)) == NULL) { 200 if (errno) 201 err("%s: %s", RP(parent), strerror(errno)); 202 return (1); 203 } 204 205 bzero(g, sizeof(g)); 206 bzero(u, sizeof(u)); 207 bzero(m, sizeof(m)); 208 209 maxuid = maxgid = maxmode = 0; 210 for (; p; p = p->fts_link) { 211 smode = p->fts_statp->st_mode & MBITS; 212 if (smode < MAXMODE && ++m[smode] > maxmode) { 213 savemode = smode; 214 maxmode = m[smode]; 215 } 216 sgid = p->fts_statp->st_gid; 217 if (sgid < MAXGID && ++g[sgid] > maxgid) { 218 savegid = sgid; 219 maxgid = g[sgid]; 220 } 221 suid = p->fts_statp->st_uid; 222 if (suid < MAXUID && ++u[suid] > maxuid) { 223 saveuid = suid; 224 maxuid = u[suid]; 225 } 226 } 227 (void)printf("/set type=file"); 228 if (keys & F_GID) 229 (void)printf(" gid=%u", savegid); 230 if (keys & F_GNAME) 231 if ((gr = getgrgid(savegid)) != NULL) 232 (void)printf(" gname=%s", gr->gr_name); 233 else 234 (void)printf(" gid=%u", savegid); 235 if (keys & F_UNAME) 236 if ((pw = getpwuid(saveuid)) != NULL) 237 (void)printf(" uname=%s", pw->pw_name); 238 else 239 (void)printf(" uid=%u", saveuid); 240 if (keys & F_UID) 241 (void)printf(" uid=%u", saveuid); 242 if (keys & F_MODE) 243 (void)printf(" mode=%#o", savemode); 244 if (keys & F_NLINK) 245 (void)printf(" nlink=1"); 246 (void)printf("\n"); 247 *puid = saveuid; 248 *pgid = savegid; 249 *pmode = savemode; 250 return (0); 251 } 252 253 static int 254 dsort(a, b) 255 const FTSENT **a, **b; 256 { 257 if (S_ISDIR((*a)->fts_statp->st_mode)) { 258 if (!S_ISDIR((*b)->fts_statp->st_mode)) 259 return (1); 260 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 261 return (-1); 262 return (strcmp((*a)->fts_name, (*b)->fts_name)); 263 } 264 265 #if __STDC__ 266 #include <stdarg.h> 267 #else 268 #include <varargs.h> 269 #endif 270 271 void 272 #if __STDC__ 273 output(int *offset, const char *fmt, ...) 274 #else 275 output(offset, fmt, va_alist) 276 int *offset; 277 char *fmt; 278 va_dcl 279 #endif 280 { 281 va_list ap; 282 char buf[1024]; 283 #if __STDC__ 284 va_start(ap, fmt); 285 #else 286 va_start(ap); 287 #endif 288 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 289 va_end(ap); 290 291 if (*offset + strlen(buf) > MAXLINELEN - 3) { 292 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 293 *offset = INDENTNAMELEN; 294 } 295 *offset += printf(" %s", buf) + 1; 296 } 297
Indexes created Tue Sep 23 14:10:03 GMT 2025