/*- * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if 0 #ifndef lint static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD: src/usr.sbin/mtree/create.c,v 1.37 2005/03/29 11:44:17 tobez Exp $"); #include #include #include #include #include #include #include #include #ifdef ENABLE_MD5 #include #endif #ifdef ENABLE_SHA1 #include #endif #ifdef ENABLE_RMD160 #include #endif #ifdef ENABLE_SHA256 #include #endif #include #include #include #include #include #include #include "mtree.h" #include "extern.h" #define INDENTNAMELEN 15 #define MAXLINELEN 80 static gid_t gid; static uid_t uid; static mode_t mode; static u_long flags = 0xffffffff; static int dsort(const FTSENT * const *, const FTSENT * const *); static void output(int, int *, const char *, ...) __printflike(3, 4); static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); static void statf(int, FTSENT *); void cwalk(void) { FTS *t; FTSENT *p; time_t cl; char *argv[2], host[MAXHOSTNAMELEN]; char dot[] = "."; int indent = 0; if (!nflag) { (void)time(&cl); (void)gethostname(host, sizeof(host)); (void)printf( "#\t user: %s\n#\tmachine: %s\n", getlogin(), host); (void)printf( "#\t tree: %s\n#\t date: %s", fullpath, ctime(&cl)); } argv[0] = dot; argv[1] = NULL; if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) err(1, "fts_open()"); while ((p = fts_read(t))) { if (iflag) indent = p->fts_level * 4; if (check_excludes(p->fts_name, p->fts_path)) { fts_set(t, p, FTS_SKIP); continue; } switch(p->fts_info) { case FTS_D: if (!dflag) (void)printf("\n"); if (!nflag) (void)printf("# %s\n", p->fts_path); statd(t, p, &uid, &gid, &mode, &flags); statf(indent, p); break; case FTS_DP: if (!nflag && (p->fts_level > 0)) (void)printf("%*s# %s\n", indent, "", p->fts_path); (void)printf("%*s..\n", indent, ""); if (!dflag) (void)printf("\n"); break; case FTS_DNR: case FTS_ERR: case FTS_NS: warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); break; default: if (!dflag) statf(indent, p); break; } } (void)fts_close(t); if (sflag && keys & F_CKSUM) warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total); } static void statf(int indent, FTSENT *p) { struct group *gr; struct passwd *pw; uint32_t val; off_t len; int fd, offset; char *fflags; char *escaped_name; escaped_name = calloc(1, p->fts_namelen * 4 + 1); if (escaped_name == NULL) errx(1, "statf(): calloc() failed"); strvis(escaped_name, p->fts_name, VIS_WHITE | VIS_OCTAL | VIS_GLOB); if (iflag || S_ISDIR(p->fts_statp->st_mode)) offset = printf("%*s%s", indent, "", escaped_name); else offset = printf("%*s %s", indent, "", escaped_name); free(escaped_name); if (offset > (INDENTNAMELEN + indent)) offset = MAXLINELEN; else offset += printf("%*s", (INDENTNAMELEN + indent) - offset, ""); if (!S_ISREG(p->fts_statp->st_mode) && !dflag) output(indent, &offset, "type=%s", inotype(p->fts_statp->st_mode)); if (p->fts_statp->st_uid != uid) { if (keys & F_UNAME) { pw = getpwuid(p->fts_statp->st_uid); if (pw != NULL) output(indent, &offset, "uname=%s", pw->pw_name); else if (wflag) warnx("Could not get uname for uid=%u", p->fts_statp->st_uid); else errx(1, "Could not get uname for uid=%u", p->fts_statp->st_uid); } if (keys & F_UID) output(indent, &offset, "uid=%u", p->fts_statp->st_uid); } if (p->fts_statp->st_gid != gid) { if (keys & F_GNAME) { gr = getgrgid(p->fts_statp->st_gid); if (gr != NULL) output(indent, &offset, "gname=%s", gr->gr_name); else if (wflag) warnx("Could not get gname for gid=%u", p->fts_statp->st_gid); else errx(1, "Could not get gname for gid=%u", p->fts_statp->st_gid); } if (keys & F_GID) output(indent, &offset, "gid=%u", p->fts_statp->st_gid); } if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) output(indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS); if (keys & F_NLINK && p->fts_statp->st_nlink != 1) output(indent, &offset, "nlink=%u", p->fts_statp->st_nlink); if (keys & F_SIZE) output(indent, &offset, "size=%jd", (intmax_t)p->fts_statp->st_size); if (keys & F_TIME) output(indent, &offset, "time=%ld.%ld", (long)p->fts_statp->st_mtimespec.tv_sec, p->fts_statp->st_mtimespec.tv_nsec); if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || crc(fd, &val, &len)) err(1, "%s", p->fts_accpath); (void)close(fd); output(indent, &offset, "cksum=%lu", (unsigned long)val); } #ifdef ENABLE_MD5 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { char *digest, buf[33]; digest = MD5File(p->fts_accpath, buf); if (!digest) err(1, "%s", p->fts_accpath); output(indent, &offset, "md5digest=%s", digest); } #endif /* ENABLE_MD5 */ #ifdef ENABLE_SHA1 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { char *digest, buf[41]; digest = SHA1_File(p->fts_accpath, buf); if (!digest) err(1, "%s", p->fts_accpath); output(indent, &offset, "sha1digest=%s", digest); } #endif /* ENABLE_SHA1 */ #ifdef ENABLE_RMD160 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { char *digest, buf[41]; digest = RIPEMD160_File(p->fts_accpath, buf); if (!digest) err(1, "%s", p->fts_accpath); output(indent, &offset, "ripemd160digest=%s", digest); } #endif /* ENABLE_RMD160 */ #ifdef ENABLE_SHA256 if (keys & F_SHA256 && S_ISREG(p->fts_statp->st_mode)) { char *digest, buf[65]; digest = SHA256_File(p->fts_accpath, buf); if (!digest) err(1, "%s", p->fts_accpath); output(indent, &offset, "sha256digest=%s", digest); } #endif /* ENABLE_SHA256 */ if (keys & F_SLINK && (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) output(indent, &offset, "link=%s", rlink(p->fts_accpath)); if (keys & F_FLAGS && p->fts_statp->st_flags != flags) { fflags = flags_to_string(p->fts_statp->st_flags); output(indent, &offset, "flags=%s", fflags); free(fflags); } (void)putchar('\n'); } #define MAXGID 5000 #define MAXUID 5000 #define MAXMODE MBITS + 1 #define MAXFLAGS 256 #define MAXS 16 static int statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, u_long *pflags) { FTSENT *p; gid_t sgid; uid_t suid; mode_t smode; u_long sflags; struct group *gr; struct passwd *pw; gid_t savegid = *pgid; uid_t saveuid = *puid; mode_t savemode = *pmode; u_long saveflags = *pflags; u_short maxgid, maxuid, maxmode, maxflags; u_short g[MAXGID], u[MAXUID], m[MAXMODE], f[MAXFLAGS]; char *fflags; static int first = 1; if ((p = fts_children(t, 0)) == NULL) { if (errno) err(1, "%s", RP(parent)); return (1); } bzero(g, sizeof(g)); bzero(u, sizeof(u)); bzero(m, sizeof(m)); bzero(f, sizeof(f)); maxuid = maxgid = maxmode = maxflags = 0; for (; p; p = p->fts_link) { if (!dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) { smode = p->fts_statp->st_mode & MBITS; if (smode < MAXMODE && ++m[smode] > maxmode) { savemode = smode; maxmode = m[smode]; } sgid = p->fts_statp->st_gid; if (sgid < MAXGID && ++g[sgid] > maxgid) { savegid = sgid; maxgid = g[sgid]; } suid = p->fts_statp->st_uid; if (suid < MAXUID && ++u[suid] > maxuid) { saveuid = suid; maxuid = u[suid]; } /* * XXX * note that the below will break when file flags * are extended beyond the first 4 bytes of each * half word of the flags */ #define FLAGS2IDX(f) ((f & 0xf) | ((f >> 12) & 0xf0)) sflags = p->fts_statp->st_flags; if (FLAGS2IDX(sflags) < MAXFLAGS && ++f[FLAGS2IDX(sflags)] > maxflags) { saveflags = sflags; maxflags = f[FLAGS2IDX(sflags)]; } } } /* * If the /set record is the same as the last one we do not need to output * a new one. So first we check to see if anything changed. Note that we * always output a /set record for the first directory. */ if ((((keys & F_UNAME) | (keys & F_UID)) && (*puid != saveuid)) || (((keys & F_GNAME) | (keys & F_GID)) && (*pgid != savegid)) || ((keys & F_MODE) && (*pmode != savemode)) || ((keys & F_FLAGS) && (*pflags != saveflags)) || (first)) { first = 0; if (dflag) (void)printf("/set type=dir"); else (void)printf("/set type=file"); if (keys & F_UNAME) { pw = getpwuid(saveuid); if (pw != NULL) (void)printf(" uname=%s", pw->pw_name); else if (wflag) warnx( "Could not get uname for uid=%u", saveuid); else errx(1, "Could not get uname for uid=%u", saveuid); } if (keys & F_UID) (void)printf(" uid=%lu", (u_long)saveuid); if (keys & F_GNAME) { gr = getgrgid(savegid); if (gr != NULL) (void)printf(" gname=%s", gr->gr_name); else if (wflag) warnx("Could not get gname for gid=%u", savegid); else errx(1, "Could not get gname for gid=%u", savegid); } if (keys & F_GID) (void)printf(" gid=%lu", (u_long)savegid); if (keys & F_MODE) (void)printf(" mode=%#o", savemode); if (keys & F_NLINK) (void)printf(" nlink=1"); if (keys & F_FLAGS) { fflags = flags_to_string(saveflags); (void)printf(" flags=%s", fflags); free(fflags); } (void)printf("\n"); *puid = saveuid; *pgid = savegid; *pmode = savemode; *pflags = saveflags; } return (0); } static int dsort(const FTSENT * const *a, const FTSENT * const *b) { if (S_ISDIR((*a)->fts_statp->st_mode)) { if (!S_ISDIR((*b)->fts_statp->st_mode)) return (1); } else if (S_ISDIR((*b)->fts_statp->st_mode)) return (-1); return (strcmp((*a)->fts_name, (*b)->fts_name)); } #include void output(int indent, int *offset, const char *fmt, ...) { va_list ap; char buf[1024]; va_start(ap, fmt); (void)vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); if (*offset + strlen(buf) > MAXLINELEN - 3) { (void)printf(" \\\n%*s", INDENTNAMELEN + indent, ""); *offset = INDENTNAMELEN + indent; } *offset += printf(" %s", buf) + 1; }