create.c revision 2860
1255736Sdavidch/*- 2255736Sdavidch * Copyright (c) 1989, 1993 3255736Sdavidch * The Regents of the University of California. All rights reserved. 4255736Sdavidch * 5255736Sdavidch * Redistribution and use in source and binary forms, with or without 6255736Sdavidch * modification, are permitted provided that the following conditions 7255736Sdavidch * are met: 8255736Sdavidch * 1. Redistributions of source code must retain the above copyright 9255736Sdavidch * notice, this list of conditions and the following disclaimer. 10255736Sdavidch * 2. Redistributions in binary form must reproduce the above copyright 11255736Sdavidch * notice, this list of conditions and the following disclaimer in the 12255736Sdavidch * documentation and/or other materials provided with the distribution. 13255736Sdavidch * 3. All advertising materials mentioning features or use of this software 14255736Sdavidch * must display the following acknowledgement: 15255736Sdavidch * This product includes software developed by the University of 16255736Sdavidch * California, Berkeley and its contributors. 17255736Sdavidch * 4. Neither the name of the University nor the names of its contributors 18255736Sdavidch * may be used to endorse or promote products derived from this software 19255736Sdavidch * without specific prior written permission. 20255736Sdavidch * 21255736Sdavidch * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22255736Sdavidch * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23255736Sdavidch * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24255736Sdavidch * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25255736Sdavidch * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26255736Sdavidch * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27255736Sdavidch * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28255736Sdavidch * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29255736Sdavidch * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30255736Sdavidch * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31255736Sdavidch * SUCH DAMAGE. 32255736Sdavidch */ 33255736Sdavidch 34255736Sdavidch#ifndef lint 35255736Sdavidchstatic char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 36255736Sdavidch#endif /* not lint */ 37255736Sdavidch 38255736Sdavidch#include <sys/param.h> 39255736Sdavidch#include <sys/stat.h> 40255736Sdavidch#include <time.h> 41255736Sdavidch#include <fcntl.h> 42255736Sdavidch#include <fts.h> 43255736Sdavidch#include <dirent.h> 44255736Sdavidch#include <grp.h> 45255736Sdavidch#include <pwd.h> 46255736Sdavidch#include <errno.h> 47255736Sdavidch#include <unistd.h> 48255736Sdavidch#include <stdio.h> 49255736Sdavidch#include "mtree.h" 50255736Sdavidch#include "extern.h" 51255736Sdavidch 52255736Sdavidch#define INDENTNAMELEN 15 53255736Sdavidch#define MAXLINELEN 80 54255736Sdavidch 55255736Sdavidchextern long int crc_total; 56255736Sdavidchextern int ftsoptions; 57255736Sdavidchextern int dflag, iflag, nflag, sflag; 58255736Sdavidchextern u_short keys; 59255736Sdavidchextern char fullpath[MAXPATHLEN]; 60255736Sdavidch 61255736Sdavidchstatic gid_t gid; 62255736Sdavidchstatic uid_t uid; 63255736Sdavidchstatic mode_t mode; 64255736Sdavidch 65255736Sdavidchstatic int dsort __P((const FTSENT **, const FTSENT **)); 66255736Sdavidchstatic void output __P((int, int *, const char *, ...)); 67255736Sdavidchstatic int statd __P((FTS *, FTSENT *, uid_t *, gid_t *, mode_t *)); 68255736Sdavidchstatic void statf __P((int, FTSENT *)); 69255736Sdavidch 70255736Sdavidchvoid 71255736Sdavidchcwalk() 72255736Sdavidch{ 73255736Sdavidch register FTS *t; 74255736Sdavidch register FTSENT *p; 75255736Sdavidch time_t clock; 76255736Sdavidch char *argv[2], host[MAXHOSTNAMELEN]; 77255736Sdavidch int indent = 0; 78255736Sdavidch 79255736Sdavidch (void)time(&clock); 80255736Sdavidch (void)gethostname(host, sizeof(host)); 81255736Sdavidch (void)printf( 82255736Sdavidch "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 83255736Sdavidch getlogin(), host, fullpath, ctime(&clock)); 84255736Sdavidch 85255736Sdavidch argv[0] = "."; 86255736Sdavidch argv[1] = NULL; 87255736Sdavidch if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 88255736Sdavidch err("fts_open: %s", strerror(errno)); 89255736Sdavidch while ((p = fts_read(t))) { 90255736Sdavidch if (iflag) 91255736Sdavidch indent = p->fts_level * 4; 92255736Sdavidch switch(p->fts_info) { 93255736Sdavidch case FTS_D: 94255736Sdavidch if (!dflag) 95255736Sdavidch (void)printf("\n"); 96255736Sdavidch if (!nflag) 97255736Sdavidch (void)printf("# %s\n", p->fts_path); 98255736Sdavidch statd(t, p, &uid, &gid, &mode); 99255736Sdavidch statf(indent, p); 100255736Sdavidch break; 101255736Sdavidch case FTS_DP: 102255736Sdavidch if (!nflag && (p->fts_level > 0)) 103255736Sdavidch (void)printf("%*s# %s\n", indent, "", p->fts_path); 104255736Sdavidch (void)printf("%*s..\n", indent, ""); 105255736Sdavidch if (!dflag) 106255736Sdavidch (void)printf("\n"); 107255736Sdavidch break; 108255736Sdavidch case FTS_DNR: 109255736Sdavidch case FTS_ERR: 110255736Sdavidch case FTS_NS: 111255736Sdavidch (void)fprintf(stderr, 112255736Sdavidch "mtree: %s: %s\n", p->fts_path, strerror(errno)); 113255736Sdavidch break; 114255736Sdavidch default: 115255736Sdavidch if (!dflag) 116255736Sdavidch statf(indent, p); 117255736Sdavidch break; 118255736Sdavidch 119255736Sdavidch } 120255736Sdavidch } 121255736Sdavidch (void)fts_close(t); 122255736Sdavidch if (sflag && keys & F_CKSUM) 123255736Sdavidch (void)fprintf(stderr, 124255736Sdavidch "mtree: %s checksum: %lu\n", fullpath, crc_total); 125255736Sdavidch} 126255736Sdavidch 127255736Sdavidchstatic void 128255736Sdavidchstatf(indent, p) 129255736Sdavidch int indent; 130255736Sdavidch FTSENT *p; 131255736Sdavidch{ 132255736Sdavidch struct group *gr; 133255736Sdavidch struct passwd *pw; 134255736Sdavidch u_long len, val; 135255736Sdavidch int fd, offset; 136255736Sdavidch 137255736Sdavidch if (iflag || S_ISDIR(p->fts_statp->st_mode)) 138255736Sdavidch offset = printf("%*s%s", indent, "", p->fts_name); 139255736Sdavidch else 140255736Sdavidch offset = printf("%*s %s", indent, "", p->fts_name); 141255736Sdavidch 142255736Sdavidch if (offset > (INDENTNAMELEN + indent)) 143255736Sdavidch offset = MAXLINELEN; 144255736Sdavidch else 145255736Sdavidch offset += printf("%*s", (INDENTNAMELEN + indent) - offset, ""); 146255736Sdavidch 147255736Sdavidch if (!S_ISREG(p->fts_statp->st_mode) && !dflag) 148255736Sdavidch output(indent, &offset, "type=%s", inotype(p->fts_statp->st_mode)); 149255736Sdavidch if (p->fts_statp->st_uid != uid) { 150255736Sdavidch if (keys & F_UNAME) { 151255736Sdavidch if ((pw = getpwuid(p->fts_statp->st_uid)) != NULL) { 152255736Sdavidch output(indent, &offset, "uname=%s", pw->pw_name); 153255736Sdavidch } else { 154255736Sdavidch err("could not get uname for uid=%u", 155255736Sdavidch p->fts_statp->st_uid); 156255736Sdavidch } 157255736Sdavidch } 158255736Sdavidch if (keys & F_UID) 159255736Sdavidch output(indent, &offset, "uid=%u", p->fts_statp->st_uid); 160255736Sdavidch } 161255736Sdavidch if (p->fts_statp->st_gid != gid) { 162255736Sdavidch if (keys & F_GNAME) { 163255736Sdavidch if ((gr = getgrgid(p->fts_statp->st_gid)) != NULL) { 164255736Sdavidch output(indent, &offset, "gname=%s", gr->gr_name); 165255736Sdavidch } else { 166255736Sdavidch err("could not get gname for gid=%u", 167255736Sdavidch p->fts_statp->st_gid); 168255736Sdavidch } 169255736Sdavidch } 170255736Sdavidch if (keys & F_GID) 171255736Sdavidch output(indent, &offset, "gid=%u", p->fts_statp->st_gid); 172255736Sdavidch } 173255736Sdavidch if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 174255736Sdavidch output(indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS); 175255736Sdavidch if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 176255736Sdavidch output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink); 177255736Sdavidch if (keys & F_SIZE) 178255736Sdavidch output(indent, &offset, "size=%qd", p->fts_statp->st_size); 179255736Sdavidch if (keys & F_TIME) 180255736Sdavidch output(indent, &offset, "time=%ld.%ld", 181255736Sdavidch p->fts_statp->st_mtimespec.ts_sec, 182255736Sdavidch p->fts_statp->st_mtimespec.ts_nsec); 183255736Sdavidch if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 184255736Sdavidch if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 185255736Sdavidch crc(fd, &val, &len)) 186255736Sdavidch err("%s: %s", p->fts_accpath, strerror(errno)); 187255736Sdavidch (void)close(fd); 188255736Sdavidch output(indent, &offset, "cksum=%lu", val); 189255736Sdavidch } 190255736Sdavidch if (keys & F_SLINK && 191255736Sdavidch (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 192255736Sdavidch output(indent, &offset, "link=%s", rlink(p->fts_accpath)); 193255736Sdavidch (void)putchar('\n'); 194255736Sdavidch} 195255736Sdavidch 196255736Sdavidch#define MAXGID 5000 197255736Sdavidch#define MAXUID 5000 198255736Sdavidch#define MAXMODE MBITS + 1 199255736Sdavidch 200255736Sdavidchstatic int 201255736Sdavidchstatd(t, parent, puid, pgid, pmode) 202255736Sdavidch FTS *t; 203255736Sdavidch FTSENT *parent; 204255736Sdavidch uid_t *puid; 205255736Sdavidch gid_t *pgid; 206255736Sdavidch mode_t *pmode; 207255736Sdavidch{ 208255736Sdavidch register FTSENT *p; 209255736Sdavidch register gid_t sgid; 210255736Sdavidch register uid_t suid; 211255736Sdavidch register mode_t smode; 212255736Sdavidch struct group *gr; 213255736Sdavidch struct passwd *pw; 214255736Sdavidch gid_t savegid = *pgid; 215255736Sdavidch uid_t saveuid = *puid; 216255736Sdavidch mode_t savemode = *pmode; 217255736Sdavidch u_short maxgid, maxuid, maxmode, g[MAXGID], u[MAXUID], m[MAXMODE]; 218255736Sdavidch 219255736Sdavidch if ((p = fts_children(t, 0)) == NULL) { 220255736Sdavidch if (errno) 221255736Sdavidch err("%s: %s", RP(parent), strerror(errno)); 222255736Sdavidch return (1); 223255736Sdavidch } 224255736Sdavidch 225255736Sdavidch bzero(g, sizeof(g)); 226255736Sdavidch bzero(u, sizeof(u)); 227255736Sdavidch bzero(m, sizeof(m)); 228255736Sdavidch 229255736Sdavidch maxuid = maxgid = maxmode = 0; 230255736Sdavidch for (; p; p = p->fts_link) { 231255736Sdavidch if (!dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) { 232255736Sdavidch smode = p->fts_statp->st_mode & MBITS; 233255736Sdavidch if (smode < MAXMODE && ++m[smode] > maxmode) { 234255736Sdavidch savemode = smode; 235255736Sdavidch maxmode = m[smode]; 236255736Sdavidch } 237255736Sdavidch sgid = p->fts_statp->st_gid; 238255736Sdavidch if (sgid < MAXGID && ++g[sgid] > maxgid) { 239255736Sdavidch savegid = sgid; 240255736Sdavidch maxgid = g[sgid]; 241255736Sdavidch } 242255736Sdavidch suid = p->fts_statp->st_uid; 243255736Sdavidch if (suid < MAXUID && ++u[suid] > maxuid) { 244255736Sdavidch saveuid = suid; 245255736Sdavidch maxuid = u[suid]; 246255736Sdavidch } 247255736Sdavidch } 248255736Sdavidch } 249255736Sdavidch /* 250255736Sdavidch * If the /set record is the same as the last one we do not need to output 251255736Sdavidch * a new one. So first we check to see if anything changed. 252255736Sdavidch */ 253255736Sdavidch if ((((keys & F_UNAME) | (keys & F_UID)) && (*puid != saveuid)) || 254255736Sdavidch (((keys & F_GNAME) | (keys & F_GID)) && (*pgid != savegid)) || 255255736Sdavidch ((keys & F_MODE) && (*pmode != savemode))) { 256255736Sdavidch if (dflag) 257255736Sdavidch (void)printf("/set type=dir"); 258255736Sdavidch else 259255736Sdavidch (void)printf("/set type=file"); 260255736Sdavidch if (keys & F_UNAME) 261255736Sdavidch if ((pw = getpwuid(saveuid)) != NULL) 262255736Sdavidch (void)printf(" uname=%s", pw->pw_name); 263255736Sdavidch else 264255736Sdavidch err("could not get uname for uid=%u", saveuid); 265255736Sdavidch if (keys & F_UID) 266255736Sdavidch (void)printf(" uid=%lu", saveuid); 267255736Sdavidch if (keys & F_GNAME) 268255736Sdavidch if ((gr = getgrgid(savegid)) != NULL) 269255736Sdavidch (void)printf(" gname=%s", gr->gr_name); 270255736Sdavidch else 271255736Sdavidch err("could not get gname for gid=%u", savegid); 272255736Sdavidch if (keys & F_GID) 273255736Sdavidch (void)printf(" gid=%lu", savegid); 274255736Sdavidch if (keys & F_MODE) 275255736Sdavidch (void)printf(" mode=%#o", savemode); 276255736Sdavidch if (keys & F_NLINK) 277255736Sdavidch (void)printf(" nlink=1"); 278255736Sdavidch (void)printf("\n"); 279255736Sdavidch *puid = saveuid; 280255736Sdavidch *pgid = savegid; 281255736Sdavidch *pmode = savemode; 282255736Sdavidch } 283255736Sdavidch return (0); 284255736Sdavidch} 285255736Sdavidch 286255736Sdavidchstatic int 287255736Sdavidchdsort(a, b) 288255736Sdavidch const FTSENT **a, **b; 289255736Sdavidch{ 290255736Sdavidch if (S_ISDIR((*a)->fts_statp->st_mode)) { 291255736Sdavidch if (!S_ISDIR((*b)->fts_statp->st_mode)) 292255736Sdavidch return (1); 293255736Sdavidch } else if (S_ISDIR((*b)->fts_statp->st_mode)) 294255736Sdavidch return (-1); 295255736Sdavidch return (strcmp((*a)->fts_name, (*b)->fts_name)); 296255736Sdavidch} 297255736Sdavidch 298255736Sdavidch#if __STDC__ 299255736Sdavidch#include <stdarg.h> 300255736Sdavidch#else 301255736Sdavidch#include <varargs.h> 302255736Sdavidch#endif 303255736Sdavidch 304255736Sdavidchvoid 305255736Sdavidch#if __STDC__ 306255736Sdavidchoutput(int indent, int *offset, const char *fmt, ...) 307255736Sdavidch#else 308255736Sdavidchoutput(indent, offset, fmt, va_alist) 309255736Sdavidch int indent; 310255736Sdavidch int *offset; 311255736Sdavidch char *fmt; 312255736Sdavidch va_dcl 313255736Sdavidch#endif 314255736Sdavidch{ 315255736Sdavidch va_list ap; 316255736Sdavidch char buf[1024]; 317255736Sdavidch#if __STDC__ 318255736Sdavidch va_start(ap, fmt); 319255736Sdavidch#else 320255736Sdavidch va_start(ap); 321255736Sdavidch#endif 322255736Sdavidch (void)vsnprintf(buf, sizeof(buf), fmt, ap); 323255736Sdavidch va_end(ap); 324255736Sdavidch 325255736Sdavidch if (*offset + strlen(buf) > MAXLINELEN - 3) { 326255736Sdavidch (void)printf(" \\\n%*s", INDENTNAMELEN + indent, ""); 327255736Sdavidch *offset = INDENTNAMELEN + indent; 328255736Sdavidch } 329255736Sdavidch *offset += printf(" %s", buf) + 1; 330255736Sdavidch} 331255736Sdavidch