/* $NetBSD: create.c,v 1.79 2024/12/05 17:17:43 christos Exp $ */ /*- * 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 HAVE_NBTOOL_CONFIG_H #include "nbtool_config.h" #endif #include #if defined(__RCSID) && !defined(lint) #if 0 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; #else __RCSID("$NetBSD: create.c,v 1.79 2024/12/05 17:17:43 christos Exp $"); #endif #endif /* not lint */ #include #include #if ! HAVE_NBTOOL_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #ifndef NO_MD5 #include #endif #ifndef NO_RMD160 #include #endif #ifndef NO_SHA1 #include #endif #ifndef NO_SHA2 #include #endif #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; static void output(FILE *, int, int *, const char *, ...) __printflike(4, 5); static int statd(FILE *, FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); static void statf(FILE *, int, FTSENT *); void cwalk(FILE *fp) { FTS *t; FTSENT *p; time_t clocktime; char host[MAXHOSTNAMELEN + 1]; const char *user; char *argv[2]; char dot[] = "."; int indent = 0; argv[0] = dot; argv[1] = NULL; time(&clocktime); gethostname(host, sizeof(host)); host[sizeof(host) - 1] = '\0'; if ((user = getlogin()) == NULL) { struct passwd *pw; user = (pw = getpwuid(getuid())) != NULL ? pw->pw_name : ""; } if (!nflag) fprintf(fp, "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n" "#\t date: %s", user, host, fullpath, ctime(&clocktime)); if ((t = fts_open(argv, ftsoptions, dcmp)) == NULL) mtree_err("fts_open: %s", strerror(errno)); while ((p = fts_read(t)) != NULL) { if (jflag) indent = p->fts_level * 4; if (check_excludes(p->fts_name, p->fts_path)) { fts_set(t, p, FTS_SKIP); continue; } if (!find_only(p->fts_path)) { fts_set(t, p, FTS_SKIP); continue; } switch(p->fts_info) { case FTS_D: if (!bflag) fprintf(fp, "\n"); if (!nflag) fprintf(fp, "# %s\n", p->fts_path); statd(fp, t, p, &uid, &gid, &mode, &flags); statf(fp, indent, p); break; case FTS_DP: if (p->fts_level > 0) if (!nflag) fprintf(fp, "%*s# %s\n", indent, "", p->fts_path); if (p->fts_level > 0 || flavor == F_FREEBSD9) { fprintf(fp, "%*s..\n", indent, ""); if (!bflag) fprintf(fp, "\n"); } break; case FTS_DNR: case FTS_ERR: case FTS_NS: mtree_err("%s: %s", p->fts_path, strerror(p->fts_errno)); break; default: if (!dflag) statf(fp, indent, p); break; } } if (errno != 0) mtree_err("fts_read: %s", strerror(errno)); fts_close(t); if (sflag && keys & F_CKSUM) mtree_err("%s checksum: %u", fullpath, crc_total); } static void dosum(FILE *fp, int indent, FTSENT *p, int *offset, int flag, char * (*func)(const char *, char *), const char *key) { char *digestbuf; if ((keys & flag) == 0) return; digestbuf = (*func)(p->fts_accpath, NULL); if (digestbuf != NULL) { output(fp, indent, offset, "%s=%s", key, digestbuf); free(digestbuf); return; } if (qflag) { warn("%s: %s failed", p->fts_path, key); return; } mtree_err("%s: %s failed: %s", p->fts_path, key, strerror(errno)); } static char * crcFile(const char *fname, char *dummy __unused) { char *ptr; uint32_t val, len; int fd, e; if ((fd = open(fname, O_RDONLY)) == -1) goto out; e = crc(fd, &val, &len); close(fd); if (e) goto out; if (asprintf(&ptr, "%u", val) < 0) goto out; return ptr; out: mtree_err("%s: %s", fname, strerror(errno)); return NULL; } static void statf(FILE *fp, int indent, FTSENT *p) { int offset; const char *name = NULL; offset = fprintf(fp, "%*s%s%s", indent, "", S_ISDIR(p->fts_statp->st_mode) ? "" : " ", vispath(p->fts_name)); if (offset > (INDENTNAMELEN + indent)) offset = MAXLINELEN; else offset += fprintf(fp, "%*s", (INDENTNAMELEN + indent) - offset, ""); if (!S_ISREG(p->fts_statp->st_mode) && (flavor == F_NETBSD6 || !dflag)) output(fp, indent, &offset, "type=%s", inotype(p->fts_statp->st_mode)); if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { if (keys & F_UNAME && (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) output(fp, indent, &offset, "uname=%s", name); if (keys & F_UID || (keys & F_UNAME && name == NULL)) output(fp, indent, &offset, "uid=%u", p->fts_statp->st_uid); } if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { if (keys & F_GNAME && (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) output(fp, indent, &offset, "gname=%s", name); if (keys & F_GID || (keys & F_GNAME && name == NULL)) output(fp, indent, &offset, "gid=%u", p->fts_statp->st_gid); } if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) output(fp, indent, &offset, "mode=%#o", p->fts_statp->st_mode & MBITS); if (keys & F_DEV && (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) output(fp, indent, &offset, "device=%#jx", (uintmax_t)p->fts_statp->st_rdev); if (keys & F_NLINK && p->fts_statp->st_nlink != 1) output(fp, indent, &offset, "nlink=%ju", (uintmax_t)p->fts_statp->st_nlink); if (keys & F_SIZE && (flavor == F_FREEBSD9 || S_ISREG(p->fts_statp->st_mode))) output(fp, indent, &offset, "size=%ju", (uintmax_t)p->fts_statp->st_size); if (keys & F_TIME) #if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H) output(fp, indent, &offset, "time=%jd.%09ld", (intmax_t)p->fts_statp->st_mtimespec.tv_sec, p->fts_statp->st_mtimespec.tv_nsec); #else output(fp, indent, &offset, "time=%jd.%09ld", (intmax_t)p->fts_statp->st_mtime, (long)0); #endif if (S_ISREG(p->fts_statp->st_mode)) { dosum(fp, indent, p, &offset, F_CKSUM, crcFile, "cksum"); #ifndef NO_MD5 dosum(fp, indent, p, &offset, F_MD5, MD5File, MD5KEY); #endif /* ! NO_MD5 */ #ifndef NO_RMD160 dosum(fp, indent, p, &offset, F_RMD160, RMD160File, RMD160KEY); #endif /* ! NO_RMD160 */ #ifndef NO_SHA1 dosum(fp, indent, p, &offset, F_SHA1, SHA1File, SHA1KEY); #endif /* ! NO_SHA1 */ #ifndef NO_SHA2 dosum(fp, indent, p, &offset, F_SHA256, SHA256_File, SHA256KEY); #ifdef SHA384_BLOCK_LENGTH dosum(fp, indent, p, &offset, F_SHA384, SHA384_File, SHA384KEY); #endif dosum(fp, indent, p, &offset, F_SHA512, SHA512_File, SHA512KEY); #endif /* ! NO_SHA2 */ } if (keys & F_SLINK && (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) output(fp, indent, &offset, "link=%s", vispath(rlink(p->fts_accpath))); #if HAVE_STRUCT_STAT_ST_FLAGS if (keys & F_FLAGS && p->fts_statp->st_flags != flags) { char *str = flags_to_string(p->fts_statp->st_flags, "none"); output(fp, indent, &offset, "flags=%s", str); free(str); } #endif putchar('\n'); } /* XXX * FLAGS2INDEX will fail once the user and system settable bits need more * than one byte, respectively. */ #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) #define MTREE_MAXGID 5000 #define MTREE_MAXUID 5000 #define MTREE_MAXMODE (MBITS + 1) #if HAVE_STRUCT_STAT_ST_FLAGS #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ #else #define MTREE_MAXFLAGS 1 #endif #define MTREE_MAXS 16 static int statd(FILE *fp, 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 = 0; const char *name = NULL; gid_t savegid; uid_t saveuid; mode_t savemode; u_long saveflags; u_short maxgid, maxuid, maxmode, maxflags; u_short g[MTREE_MAXGID], u[MTREE_MAXUID], m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; static int first = 1; savegid = *pgid; saveuid = *puid; savemode = *pmode; saveflags = *pflags; if ((p = fts_children(t, 0)) == NULL) { if (errno) mtree_err("%s: %s", RP(parent), strerror(errno)); return (1); } memset(g, 0, sizeof(g)); memset(u, 0, sizeof(u)); memset(m, 0, sizeof(m)); memset(f, 0, sizeof(f)); maxuid = maxgid = maxmode = maxflags = 0; for (; p; p = p->fts_link) { if (flavor == F_NETBSD6 || !dflag || (dflag && S_ISDIR(p->fts_statp->st_mode))) { smode = p->fts_statp->st_mode & MBITS; if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { savemode = smode; maxmode = m[smode]; } sgid = p->fts_statp->st_gid; if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { savegid = sgid; maxgid = g[sgid]; } suid = p->fts_statp->st_uid; if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { saveuid = suid; maxuid = u[suid]; } #if HAVE_STRUCT_STAT_ST_FLAGS sflags = FLAGS2INDEX(p->fts_statp->st_flags); if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { saveflags = p->fts_statp->st_flags; maxflags = f[sflags]; } #endif } } /* * 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 | F_UID)) && (*puid != saveuid)) || ((keys & (F_GNAME | F_GID)) && (*pgid != savegid)) || ((keys & F_MODE) && (*pmode != savemode)) || ((keys & F_FLAGS) && (*pflags != saveflags)) || first) { first = 0; if (flavor != F_NETBSD6 && dflag) fprintf(fp, "/set type=dir"); else fprintf(fp, "/set type=file"); if (keys & (F_UID | F_UNAME)) { if (keys & F_UNAME && (name = user_from_uid(saveuid, 1)) != NULL) fprintf(fp, " uname=%s", name); if (keys & F_UID || (keys & F_UNAME && name == NULL)) fprintf(fp, " uid=%lu", (u_long)saveuid); } if (keys & (F_GID | F_GNAME)) { if (keys & F_GNAME && (name = group_from_gid(savegid, 1)) != NULL) fprintf(fp, " gname=%s", name); if (keys & F_GID || (keys & F_GNAME && name == NULL)) fprintf(fp, " gid=%lu", (u_long)savegid); } if (keys & F_MODE) fprintf(fp, " mode=%#lo", (u_long)savemode); if (keys & F_NLINK) fprintf(fp, " nlink=1"); if (keys & F_FLAGS) { char *str = flags_to_string(saveflags, "none"); fprintf(fp, " flags=%s", str); free(str); } fprintf(fp, "\n"); *puid = saveuid; *pgid = savegid; *pmode = savemode; *pflags = saveflags; } return (0); } void output(FILE *fp, int indent, int *offset, const char *fmt, ...) { va_list ap; char buf[1024]; va_start(ap, fmt); vsnprintf(buf, sizeof(buf), fmt, ap); va_end(ap); if (*offset + strlen(buf) > MAXLINELEN - 3) { fprintf(fp, " \\\n%*s", INDENTNAMELEN + indent, ""); *offset = INDENTNAMELEN + indent; } *offset += fprintf(fp, " %s", buf) + 1; }