diff options
Diffstat (limited to 'usr.sbin/fmtree/create.c')
| -rw-r--r-- | usr.sbin/fmtree/create.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/usr.sbin/fmtree/create.c b/usr.sbin/fmtree/create.c new file mode 100644 index 0000000..8be9b02 --- /dev/null +++ b/usr.sbin/fmtree/create.c @@ -0,0 +1,428 @@ +/*- + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/stat.h> +#include <dirent.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <fts.h> +#include <grp.h> +#ifdef MD5 +#include <md5.h> +#endif +#ifdef SHA1 +#include <sha.h> +#endif +#ifdef RMD160 +#include <ripemd.h> +#endif +#ifdef SHA256 +#include <sha256.h> +#endif +#include <pwd.h> +#include <stdint.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <vis.h> +#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 && S_ISREG(p->fts_statp->st_mode)) + output(indent, &offset, "size=%jd", + (intmax_t)p->fts_statp->st_size); + if (keys & F_TIME) + output(indent, &offset, "time=%ld.%09ld", + (long)p->fts_statp->st_mtim.tv_sec, + p->fts_statp->st_mtim.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 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 /* MD5 */ +#ifdef 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 /* SHA1 */ +#ifdef 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 /* RMD160 */ +#ifdef 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 /* 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 <stdarg.h> + +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; +} |
