create.c revision 1.8
1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 36 #endif /* not lint */ 37 38 #include <sys/param.h> 39 #include <sys/stat.h> 40 #include <time.h> 41 #include <fcntl.h> 42 #include <fts.h> 43 #include <dirent.h> 44 #include <grp.h> 45 #include <pwd.h> 46 #include <errno.h> 47 #include <unistd.h> 48 #include <stdio.h> 49 #include "mtree.h" 50 #include "extern.h" 51 52 #define INDENTNAMELEN 15 53 #define MAXLINELEN 80 54 55 extern int crc_total, ftsoptions; 56 extern int dflag, sflag; 57 extern u_short keys; 58 extern char fullpath[MAXPATHLEN]; 59 60 static gid_t gid; 61 static uid_t uid; 62 static mode_t mode; 63 64 static int dsort __P((const FTSENT **, const FTSENT **)); 65 static void output __P((int *, const char *, ...)); 66 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 67 static void statf __P((FTSENT *)); 68 69 void 70 cwalk() 71 { 72 register FTS *t; 73 register FTSENT *p; 74 time_t clock; 75 char *argv[2], host[MAXHOSTNAMELEN]; 76 77 (void)time(&clock); 78 (void)gethostname(host, sizeof(host)); 79 (void)printf( 80 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 81 getlogin(), host, fullpath, ctime(&clock)); 82 83 argv[0] = "."; 84 argv[1] = NULL; 85 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 86 err("fts_open: %s", strerror(errno)); 87 while (p = fts_read(t)) 88 switch(p->fts_info) { 89 case FTS_D: 90 (void)printf("\n# %s\n", p->fts_path); 91 statd(t, p, &uid, &gid, &mode); 92 statf(p); 93 break; 94 case FTS_DP: 95 if (p->fts_level > 0) 96 (void)printf("# %s\n..\n\n", p->fts_path); 97 break; 98 case FTS_DNR: 99 case FTS_ERR: 100 case FTS_NS: 101 (void)fprintf(stderr, 102 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 103 break; 104 default: 105 if (!dflag) 106 statf(p); 107 break; 108 109 } 110 (void)fts_close(t); 111 if (sflag && keys & F_CKSUM) 112 (void)fprintf(stderr, 113 "mtree: %s checksum: %lu\n", fullpath, crc_total); 114 } 115 116 static void 117 statf(p) 118 FTSENT *p; 119 { 120 struct group *gr; 121 struct passwd *pw; 122 u_long len, val; 123 int fd, indent; 124 125 if (S_ISDIR(p->fts_statp->st_mode)) 126 indent = printf("%s", p->fts_name); 127 else 128 indent = printf(" %s", p->fts_name); 129 130 if (indent > INDENTNAMELEN) 131 indent = MAXLINELEN; 132 else 133 indent += printf("%*s", INDENTNAMELEN - indent, ""); 134 135 if (!S_ISREG(p->fts_statp->st_mode)) 136 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 137 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) 138 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 139 output(&indent, "uname=%s", pw->pw_name); 140 else /* if (keys & F_UID) */ 141 output(&indent, "uid=%u", p->fts_statp->st_uid); 142 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) 143 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 144 output(&indent, "gname=%s", gr->gr_name); 145 else /* if (keys & F_GID) */ 146 output(&indent, "gid=%u", p->fts_statp->st_gid); 147 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 148 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 149 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 150 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 151 if (keys & F_SIZE) 152 output(&indent, "size=%qd", p->fts_statp->st_size); 153 if (keys & F_TIME) 154 output(&indent, "time=%ld.%ld", 155 p->fts_statp->st_mtimespec.ts_sec, 156 p->fts_statp->st_mtimespec.ts_nsec); 157 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 158 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 159 crc(fd, &val, &len)) 160 err("%s: %s", p->fts_accpath, strerror(errno)); 161 (void)close(fd); 162 output(&indent, "cksum=%lu", val); 163 } 164 if (keys & F_SLINK && 165 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 166 output(&indent, "link=%s", rlink(p->fts_accpath)); 167 (void)putchar('\n'); 168 } 169 170 #define MAXGID 5000 171 #define MAXUID 5000 172 #define MAXMODE MBITS + 1 173 174 static int 175 statd(t, parent, puid, pgid, pmode) 176 FTS *t; 177 FTSENT *parent; 178 uid_t *puid; 179 gid_t *pgid; 180 mode_t *pmode; 181 { 182 register FTSENT *p; 183 register gid_t sgid; 184 register uid_t suid; 185 register mode_t smode; 186 struct group *gr; 187 struct passwd *pw; 188 gid_t savegid; 189 uid_t saveuid; 190 mode_t savemode; 191 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 192 193 if ((p = fts_children(t, 0)) == NULL) { 194 if (errno) 195 err("%s: %s", RP(parent), strerror(errno)); 196 return (1); 197 } 198 199 bzero(g, sizeof(g)); 200 bzero(u, sizeof(u)); 201 bzero(m, sizeof(m)); 202 203 maxuid = maxgid = maxmode = 0; 204 for (; p; p = p->fts_link) { 205 smode = p->fts_statp->st_mode & MBITS; 206 if (smode < MAXMODE && ++m[smode] > maxmode) { 207 savemode = smode; 208 maxmode = m[smode]; 209 } 210 sgid = p->fts_statp->st_gid; 211 if (sgid < MAXGID && ++g[sgid] > maxgid) { 212 savegid = sgid; 213 maxgid = g[sgid]; 214 } 215 suid = p->fts_statp->st_uid; 216 if (suid < MAXUID && ++u[suid] > maxuid) { 217 saveuid = suid; 218 maxuid = u[suid]; 219 } 220 } 221 (void)printf("/set type=file"); 222 if (keys & F_GID) 223 (void)printf(" gid=%u", savegid); 224 if (keys & F_GNAME) 225 if ((gr = getgrgid(savegid)) != NULL) 226 (void)printf(" gname=%s", gr->gr_name); 227 else 228 (void)printf(" gid=%u", savegid); 229 if (keys & F_UNAME) 230 if ((pw = getpwuid(saveuid)) != NULL) 231 (void)printf(" uname=%s", pw->pw_name); 232 else 233 (void)printf(" uid=%u", saveuid); 234 if (keys & F_UID) 235 (void)printf(" uid=%u", saveuid); 236 if (keys & F_MODE) 237 (void)printf(" mode=%#o", savemode); 238 if (keys & F_NLINK) 239 (void)printf(" nlink=1"); 240 (void)printf("\n"); 241 *puid = saveuid; 242 *pgid = savegid; 243 *pmode = savemode; 244 return (0); 245 } 246 247 static int 248 dsort(a, b) 249 const FTSENT **a, **b; 250 { 251 if (S_ISDIR((*a)->fts_statp->st_mode)) { 252 if (!S_ISDIR((*b)->fts_statp->st_mode)) 253 return (1); 254 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 255 return (-1); 256 return (strcmp((*a)->fts_name, (*b)->fts_name)); 257 } 258 259 #if __STDC__ 260 #include <stdarg.h> 261 #else 262 #include <varargs.h> 263 #endif 264 265 void 266 #if __STDC__ 267 output(int *offset, const char *fmt, ...) 268 #else 269 output(offset, fmt, va_alist) 270 int *offset; 271 char *fmt; 272 va_dcl 273 #endif 274 { 275 va_list ap; 276 char buf[1024]; 277 #if __STDC__ 278 va_start(ap, fmt); 279 #else 280 va_start(ap); 281 #endif 282 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 283 va_end(ap); 284 285 if (*offset + strlen(buf) > MAXLINELEN - 3) { 286 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 287 *offset = INDENTNAMELEN; 288 } 289 *offset += printf(" %s", buf) + 1; 290 } 291
Indexes created Mon Sep 22 13:09:51 GMT 2025