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author | 2021-05-09 14:20:58 -0400 | |
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committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /file_cmds/mtree/create.c | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'file_cmds/mtree/create.c')
-rw-r--r-- | file_cmds/mtree/create.c | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/file_cmds/mtree/create.c b/file_cmds/mtree/create.c new file mode 100644 index 0000000..9300eaa --- /dev/null +++ b/file_cmds/mtree/create.c @@ -0,0 +1,611 @@ +/*- + * 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: src/usr.sbin/mtree/create.c,v 1.37 2005/03/29 11:44:17 tobez Exp $"); + +#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> +#ifndef __APPLE__ +#ifdef ENABLE_MD5 +#include <md5.h> +#endif +#ifdef ENABLE_SHA1 +#include <sha.h> +#endif +#ifdef ENABLE_RMD160 +#include <ripemd.h> +#endif +#ifdef ENABLE_SHA256 +#include <sha256.h> +#endif +#endif /* !__APPLE__ */ +#include <pwd.h> +#include <stdint.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <vis.h> +#include "metrics.h" +#include "mtree.h" +#include "extern.h" + +#ifdef __APPLE__ +#include "commoncrypto.h" +#endif /* __APPLE__ */ + +#define INDENTNAMELEN 15 +#define MAXLINELEN 80 + +static gid_t gid; +static uid_t uid; +static mode_t mode; +static u_long flags = 0xffffffff; +static char *xattrs = kNone; +static char *acl = kNone; +static u_quad_t xdstream_id; + +static int dsort(const FTSENT **, const FTSENT **); +static void output(int, int *, const char *, ...) __printflike(3, 4); +static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *, char **, char **, u_quad_t *); +static void statf(int, FTSENT *); + +void +cwalk(void) +{ + int error = 0; + FTS *t; + FTSENT *p; + time_t cl; + char *argv[2], host[MAXHOSTNAMELEN]; + char dot[] = "."; + int indent = 0; + char *path; + + 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) { + error = errno; + RECORD_FAILURE(76, error); + errc(1, error, "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) { + path = escape_path(p->fts_path); + (void)printf("# %s\n", path); + free(path); + } + statd(t, p, &uid, &gid, &mode, &flags, &xattrs, &acl, &xdstream_id); + statf(indent, p); + break; + case FTS_DP: + if (!nflag && (p->fts_level > 0)) { + path = escape_path(p->fts_path); + (void)printf("%*s# %s\n", indent, "", path); + free(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) { + RECORD_FAILURE(77, WARN_CHECKSUM); + warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total); + } +} + +static void +statf(int indent, FTSENT *p) +{ + int error = 0; + 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) { + RECORD_FAILURE(78, ENOMEM); + 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) { + RECORD_FAILURE(27448, WARN_UNAME); + warnx("Could not get uname for uid=%u", + p->fts_statp->st_uid); + } else { + RECORD_FAILURE(79, EINVAL); + 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) { + RECORD_FAILURE(27449, WARN_UNAME); + warnx("Could not get gname for gid=%u", + p->fts_statp->st_gid); + } else { + RECORD_FAILURE(80, EINVAL); + 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) { + if (tflag && !insert_mod) { + output(indent, &offset, "time=%ld.%09ld", + (long)ts.tv_sec, ts.tv_nsec); + insert_mod = 1; + } + if (!tflag) { + output(indent, &offset, "time=%ld.%09ld", + (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)) { + error = errno; + RECORD_FAILURE(27450, error); + errc(1, error, "%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]; +#ifdef __clang__ +/* clang doesn't like MD5 due to security concerns, but it's used for file data/metadata integrity.. */ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wdeprecated-declarations" + digest = MD5File(p->fts_accpath, buf); +#pragma clang diagnostic pop +#endif + if (!digest) { + error = errno; + RECORD_FAILURE(81, error); + errc(1, error, "%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]; +#ifdef __clang__ +/* clang doesn't like SHA1 due to security concerns, but it's used for file data/metadata integrity.. */ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wdeprecated-declarations" + digest = SHA1_File(p->fts_accpath, buf); +#pragma clang diagnostic pop +#endif + if (!digest) { + error = errno; + RECORD_FAILURE(82, error); + errc(1, error, "%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]; +#ifdef __clang__ +/* clang doesn't like RIPEMD160 due to security concerns, but it's used for file data/metadata integrity.. */ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wdeprecated-declarations" + digest = RIPEMD160_File(p->fts_accpath, buf); +#pragma clang diagnostic pop +#endif + if (!digest) { + error = errno; + RECORD_FAILURE(83, error); + errc(1, error, "%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[kSHA256NullTerminatedBuffLen]; + + digest = SHA256_File(p->fts_accpath, buf); + if (!digest) { + error = errno; + RECORD_FAILURE(84, error); + errc(1, error, "%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)) { + char visbuf[MAXPATHLEN * 4]; + char *s = rlink(p->fts_accpath); + strvis(visbuf, s, VIS_WHITE | VIS_OCTAL); + output(indent, &offset, "link=%s", visbuf); + } + 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); + } + if (keys & F_BTIME) { + if (tflag && !insert_birth) { + output(indent, &offset, "btime=%ld.%09ld", + ts.tv_sec, ts.tv_nsec); + insert_birth = 1; + } + if (!tflag) { + output(indent, &offset, "btime=%ld.%09ld", + p->fts_statp->st_birthtimespec.tv_sec, + p->fts_statp->st_birthtimespec.tv_nsec); + } + } + // only check access time on regular files, as traversing a folder will update its access time + if (keys & F_ATIME && S_ISREG(p->fts_statp->st_mode)) { + if (tflag && !insert_access) { + output(indent, &offset, "atime=%ld.%09ld", + ts.tv_sec, ts.tv_nsec); + insert_access = 1; + } + if (!tflag) { + output(indent, &offset, "atime=%ld.%09ld", + p->fts_statp->st_atimespec.tv_sec, + p->fts_statp->st_atimespec.tv_nsec); + } + } + if (keys & F_CTIME) { + if (tflag && !insert_change) { + output(indent, &offset, "ctime=%ld.%09ld", + ts.tv_sec, ts.tv_nsec); + insert_change = 1; + } + if (!tflag) { + output(indent, &offset, "ctime=%ld.%09ld", + p->fts_statp->st_ctimespec.tv_sec, + p->fts_statp->st_ctimespec.tv_nsec); + } + } + // date added to parent folder is only supported for files and directories + if (keys & F_PTIME && (S_ISREG(p->fts_statp->st_mode) || + S_ISDIR(p->fts_statp->st_mode))) { + int supported; + struct timespec ptimespec = ptime(p->fts_accpath, &supported); + if (tflag && !insert_parent) { + output(indent, &offset, "ptime=%ld.%09ld", + ts.tv_sec, ts.tv_nsec); + insert_parent = 1; + } + if (!tflag && supported) { + output(indent, &offset, "ptime=%ld.%09ld", + ptimespec.tv_sec, + ptimespec.tv_nsec); + } + } + if (keys & F_XATTRS) { + char buf[kSHA256NullTerminatedBuffLen]; + xattr_info *ai; + + ai = SHA256_Path_XATTRs(p->fts_accpath, buf); + if (ai && ai->digest) { + if ((strcmp(ai->digest, xattrs) != 0) || (ai->xdstream_priv_id != xdstream_id)) { + output(indent, &offset, "xattrsdigest=%s.%llu", ai->digest, ai->xdstream_priv_id); + } + free(ai); + ai = NULL; + } + } + if (keys & F_INODE) { + output(indent, &offset, "inode=%llu", p->fts_statp->st_ino); + } + if (keys & F_ACL) { + char *digest, buf[kSHA256NullTerminatedBuffLen]; + + digest = SHA256_Path_ACL(p->fts_accpath, buf); + if (digest && (strcmp(digest, acl) != 0)) { + output(indent, &offset, "acldigest=%s", digest); + } + } + if (keys & F_SIBLINGID) { + uint64_t sibling_id = get_sibling_id(p->fts_accpath); + sibling_id = (sibling_id != p->fts_statp->st_ino) ? sibling_id : 0; + output(indent, &offset, "siblingid=%llu", sibling_id); + } + + (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, char **pxattrs, char **pacl, u_quad_t *xdstream_id) +{ + int error = 0; + 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; + char *savexattrs = *pxattrs; + char *saveacl = *pacl; + u_quad_t savexdstream_id = *xdstream_id; + 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) { + error = errno; + if (error) { + RECORD_FAILURE(85, error); + errc(1, error, "%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 we don't count the most common xattr/acl digest + * so set will always the default value (none) + */ + + /* + * 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) { + RECORD_FAILURE(27451, WARN_UNAME); + warnx( "Could not get uname for uid=%u", saveuid); + } else { + RECORD_FAILURE(86, EINVAL); + 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) { + RECORD_FAILURE(27452, WARN_UNAME); + warnx("Could not get gname for gid=%u", savegid); + } else { + RECORD_FAILURE(87, EINVAL); + 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); + } + if (keys & F_XATTRS) + (void)printf(" xattrsdigest=%s.%llu", savexattrs, savexdstream_id); + if (keys & F_ACL) + (void)printf(" acldigest=%s", saveacl); + (void)printf("\n"); + *puid = saveuid; + *pgid = savegid; + *pmode = savemode; + *pflags = saveflags; + *pxattrs = savexattrs; + *pacl = saveacl; + *xdstream_id = savexdstream_id; + } + return (0); +} + +static int +dsort(const FTSENT **a, const FTSENT **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; +} |