1 /*- 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)create.c 5.21 (Berkeley) 07/15/92"; 10 #endif /* not lint */ 11 12 #include <sys/param.h> 13 #include <sys/stat.h> 14 #include <time.h> 15 #include <fcntl.h> 16 #include <fts.h> 17 #include <dirent.h> 18 #include <grp.h> 19 #include <pwd.h> 20 #include <errno.h> 21 #include <unistd.h> 22 #include <stdio.h> 23 #include "mtree.h" 24 #include "extern.h" 25 26 #define INDENTNAMELEN 15 27 #define MAXLINELEN 80 28 29 extern int crc_total, ftsoptions; 30 extern int dflag, sflag; 31 extern u_short keys; 32 extern char fullpath[MAXPATHLEN]; 33 34 static gid_t gid; 35 static uid_t uid; 36 static mode_t mode; 37 38 static int dsort __P((const FTSENT **, const FTSENT **)); 39 static void output __P((int *, const char *, ...)); 40 static int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 41 static void statf __P((FTSENT *)); 42 43 void 44 cwalk() 45 { 46 register FTS *t; 47 register FTSENT *p; 48 time_t clock; 49 char *argv[2], host[MAXHOSTNAMELEN]; 50 51 (void)time(&clock); 52 (void)gethostname(host, sizeof(host)); 53 (void)printf( 54 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 55 getlogin(), host, fullpath, ctime(&clock)); 56 57 argv[0] = "."; 58 argv[1] = NULL; 59 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 60 err("fts_open: %s", strerror(errno)); 61 while (p = fts_read(t)) 62 switch(p->fts_info) { 63 case FTS_D: 64 (void)printf("\n# %s\n", p->fts_path); 65 statd(t, p, &uid, &gid, &mode); 66 statf(p); 67 break; 68 case FTS_DP: 69 if (p->fts_level > 0) 70 (void)printf("# %s\n..\n\n", p->fts_path); 71 break; 72 case FTS_DNR: 73 case FTS_ERR: 74 case FTS_NS: 75 (void)fprintf(stderr, 76 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 77 break; 78 default: 79 if (!dflag) 80 statf(p); 81 break; 82 83 } 84 (void)fts_close(t); 85 if (sflag && keys & F_CKSUM) 86 (void)fprintf(stderr, 87 "mtree: %s checksum: %lu\n", fullpath, crc_total); 88 } 89 90 static void 91 statf(p) 92 FTSENT *p; 93 { 94 struct group *gr; 95 struct passwd *pw; 96 u_long len, val; 97 int fd, indent; 98 99 if (S_ISDIR(p->fts_statp->st_mode)) 100 indent = printf("%s", p->fts_name); 101 else 102 indent = printf(" %s", p->fts_name); 103 104 if (indent > INDENTNAMELEN) 105 indent = MAXLINELEN; 106 else 107 indent += printf("%*s", INDENTNAMELEN - indent, ""); 108 109 if (!S_ISREG(p->fts_statp->st_mode)) 110 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 111 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) 112 if (keys & F_UNAME && (pw = getpwuid(p->fts_statp->st_uid))) 113 output(&indent, "uname=%s", pw->pw_name); 114 else /* if (keys & F_UID) */ 115 output(&indent, "uid=%u", p->fts_statp->st_uid); 116 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) 117 if (keys & F_GNAME && (gr = getgrgid(p->fts_statp->st_gid))) 118 output(&indent, "gname=%s", gr->gr_name); 119 else /* if (keys & F_GID) */ 120 output(&indent, "gid=%u", p->fts_statp->st_gid); 121 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 122 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 123 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 124 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 125 if (keys & F_SIZE) 126 output(&indent, "size=%ld", p->fts_statp->st_size); 127 if (keys & F_TIME) 128 output(&indent, "time=%ld.%ld", 129 p->fts_statp->st_mtimespec.ts_sec, 130 p->fts_statp->st_mtimespec.ts_nsec); 131 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 132 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 133 crc(fd, &val, &len)) 134 err("%s: %s", p->fts_accpath, strerror(errno)); 135 (void)close(fd); 136 output(&indent, "cksum=%lu", val); 137 } 138 if (keys & F_SLINK && 139 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 140 output(&indent, "link=%s", rlink(p->fts_accpath)); 141 (void)putchar('\n'); 142 } 143 144 #define MAXGID 5000 145 #define MAXUID 5000 146 #define MAXMODE MBITS + 1 147 148 static int 149 statd(t, parent, puid, pgid, pmode) 150 FTS *t; 151 FTSENT *parent; 152 uid_t *puid; 153 gid_t *pgid; 154 mode_t *pmode; 155 { 156 register FTSENT *p; 157 register gid_t sgid; 158 register uid_t suid; 159 register mode_t smode; 160 struct group *gr; 161 struct passwd *pw; 162 gid_t savegid; 163 uid_t saveuid; 164 mode_t savemode; 165 u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 166 167 if ((p = fts_children(t, 0)) == NULL) { 168 if (errno) 169 err("%s: %s", RP(parent), strerror(errno)); 170 return (1); 171 } 172 173 bzero(g, sizeof(g)); 174 bzero(u, sizeof(u)); 175 bzero(m, sizeof(m)); 176 177 maxuid = maxgid = maxmode = 0; 178 for (; p; p = p->fts_link) { 179 smode = p->fts_statp->st_mode & MBITS; 180 if (smode < MAXMODE && ++m[smode] > maxmode) { 181 savemode = smode; 182 maxmode = m[smode]; 183 } 184 sgid = p->fts_statp->st_gid; 185 if (sgid < MAXGID && ++g[sgid] > maxgid) { 186 savegid = sgid; 187 maxgid = g[sgid]; 188 } 189 suid = p->fts_statp->st_uid; 190 if (suid < MAXUID && ++u[suid] > maxuid) { 191 saveuid = suid; 192 maxuid = u[suid]; 193 } 194 } 195 (void)printf("/set type=file"); 196 if (keys & F_GID) 197 (void)printf(" gid=%u", savegid); 198 if (keys & F_GNAME) 199 if ((gr = getgrgid(savegid)) != NULL) 200 (void)printf(" gname=%s", gr->gr_name); 201 else 202 (void)printf(" gid=%u", savegid); 203 if (keys & F_UNAME) 204 if ((pw = getpwuid(saveuid)) != NULL) 205 (void)printf(" uname=%s", pw->pw_name); 206 else 207 (void)printf(" uid=%u", saveuid); 208 if (keys & F_UID) 209 (void)printf(" uid=%u", saveuid); 210 if (keys & F_MODE) 211 (void)printf(" mode=%#o", savemode); 212 if (keys & F_NLINK) 213 (void)printf(" nlink=1"); 214 (void)printf("\n"); 215 *puid = saveuid; 216 *pgid = savegid; 217 *pmode = savemode; 218 return (0); 219 } 220 221 static int 222 dsort(a, b) 223 const FTSENT **a, **b; 224 { 225 if (S_ISDIR((*a)->fts_statp->st_mode)) { 226 if (!S_ISDIR((*b)->fts_statp->st_mode)) 227 return (1); 228 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 229 return (-1); 230 return (strcmp((*a)->fts_name, (*b)->fts_name)); 231 } 232 233 #if __STDC__ 234 #include <stdarg.h> 235 #else 236 #include <varargs.h> 237 #endif 238 239 void 240 #if __STDC__ 241 output(int *offset, const char *fmt, ...) 242 #else 243 output(offset, fmt, va_alist) 244 int *offset; 245 char *fmt; 246 va_dcl 247 #endif 248 { 249 va_list ap; 250 int len; 251 char buf[1024]; 252 #if __STDC__ 253 va_start(ap, fmt); 254 #else 255 va_start(ap); 256 #endif 257 len = vsnprintf(buf, sizeof(buf), fmt, ap); 258 va_end(ap); 259 260 if (*offset + len > MAXLINELEN - 3) { 261 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 262 *offset = INDENTNAMELEN; 263 } 264 *offset += printf(" %s", buf) + 1; 265 } 266