diff options
Diffstat (limited to 'contrib/mtree/compare.c')
| -rw-r--r-- | contrib/mtree/compare.c | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/contrib/mtree/compare.c b/contrib/mtree/compare.c new file mode 100644 index 0000000..d2389e6 --- /dev/null +++ b/contrib/mtree/compare.c @@ -0,0 +1,528 @@ +/* $NetBSD: compare.c,v 1.55 2012/10/05 00:59:35 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 <sys/cdefs.h> +#if defined(__RCSID) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)compare.c 8.1 (Berkeley) 6/6/93"; +#else +__RCSID("$NetBSD: compare.c,v 1.55 2012/10/05 00:59:35 christos Exp $"); +#endif +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#ifndef NO_MD5 +#include <md5.h> +#endif +#ifndef NO_RMD160 +#include <rmd160.h> +#endif +#ifndef NO_SHA1 +#include <sha1.h> +#endif +#ifndef NO_SHA2 +#include <sha2.h> +#endif + +#include "extern.h" + +#define INDENTNAMELEN 8 +#define MARK \ +do { \ + len = printf("%s: ", RP(p)); \ + if (len > INDENTNAMELEN) { \ + tab = "\t"; \ + printf("\n"); \ + } else { \ + tab = ""; \ + printf("%*s", INDENTNAMELEN - (int)len, ""); \ + } \ +} while (0) +#define LABEL if (!label++) MARK + +#if HAVE_STRUCT_STAT_ST_FLAGS + + +#define CHANGEFLAGS \ + if (flags != p->fts_statp->st_flags) { \ + char *sf; \ + if (!label) { \ + MARK; \ + sf = flags_to_string(p->fts_statp->st_flags, "none"); \ + printf("%sflags (\"%s\"", tab, sf); \ + free(sf); \ + } \ + if (lchflags(p->fts_accpath, flags)) { \ + label++; \ + printf(", not modified: %s)\n", \ + strerror(errno)); \ + } else { \ + sf = flags_to_string(flags, "none"); \ + printf(", modified to \"%s\")\n", sf); \ + free(sf); \ + } \ + } + +/* SETFLAGS: + * given pflags, additionally set those flags specified in s->st_flags and + * selected by mask (the other flags are left unchanged). + */ +#define SETFLAGS(pflags, mask) \ +do { \ + flags = (s->st_flags & (mask)) | (pflags); \ + CHANGEFLAGS; \ +} while (0) + +/* CLEARFLAGS: + * given pflags, reset the flags specified in s->st_flags and selected by mask + * (the other flags are left unchanged). + */ +#define CLEARFLAGS(pflags, mask) \ +do { \ + flags = (~(s->st_flags & (mask)) & CH_MASK) & (pflags); \ + CHANGEFLAGS; \ +} while (0) +#endif /* HAVE_STRUCT_STAT_ST_FLAGS */ + +int +compare(NODE *s, FTSENT *p) +{ + u_int32_t len, val, flags; + int fd, label; + const char *cp, *tab; +#if !defined(NO_MD5) || !defined(NO_RMD160) || !defined(NO_SHA1) || !defined(NO_SHA2) + char *digestbuf; +#endif + + tab = NULL; + label = 0; + switch(s->type) { + case F_BLOCK: + if (!S_ISBLK(p->fts_statp->st_mode)) + goto typeerr; + break; + case F_CHAR: + if (!S_ISCHR(p->fts_statp->st_mode)) + goto typeerr; + break; + case F_DIR: + if (!S_ISDIR(p->fts_statp->st_mode)) + goto typeerr; + break; + case F_FIFO: + if (!S_ISFIFO(p->fts_statp->st_mode)) + goto typeerr; + break; + case F_FILE: + if (!S_ISREG(p->fts_statp->st_mode)) + goto typeerr; + break; + case F_LINK: + if (!S_ISLNK(p->fts_statp->st_mode)) + goto typeerr; + break; +#ifdef S_ISSOCK + case F_SOCK: + if (!S_ISSOCK(p->fts_statp->st_mode)) + goto typeerr; + break; +#endif +typeerr: LABEL; + printf("\ttype (%s, %s)\n", + nodetype(s->type), inotype(p->fts_statp->st_mode)); + return (label); + } + if (mtree_Wflag) + goto afterpermwhack; +#if HAVE_STRUCT_STAT_ST_FLAGS + if (iflag && !uflag) { + if (s->flags & F_FLAGS) + SETFLAGS(p->fts_statp->st_flags, SP_FLGS); + return (label); + } + if (mflag && !uflag) { + if (s->flags & F_FLAGS) + CLEARFLAGS(p->fts_statp->st_flags, SP_FLGS); + return (label); + } +#endif + if (s->flags & F_DEV && + (s->type == F_BLOCK || s->type == F_CHAR) && + s->st_rdev != p->fts_statp->st_rdev) { + LABEL; + printf("%sdevice (%#llx, %#llx", + tab, (long long)s->st_rdev, + (long long)p->fts_statp->st_rdev); + if (uflag) { + if ((unlink(p->fts_accpath) == -1) || + (mknod(p->fts_accpath, + s->st_mode | nodetoino(s->type), + s->st_rdev) == -1) || + (lchown(p->fts_accpath, p->fts_statp->st_uid, + p->fts_statp->st_gid) == -1) ) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } else + printf(")\n"); + tab = "\t"; + } + /* Set the uid/gid first, then set the mode. */ + if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) { + LABEL; + printf("%suser (%lu, %lu", + tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid); + if (uflag) { + if (lchown(p->fts_accpath, s->st_uid, -1)) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } else + printf(")\n"); + tab = "\t"; + } + if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) { + LABEL; + printf("%sgid (%lu, %lu", + tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid); + if (uflag) { + if (lchown(p->fts_accpath, -1, s->st_gid)) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } + else + printf(")\n"); + tab = "\t"; + } + if (s->flags & F_MODE && + s->st_mode != (p->fts_statp->st_mode & MBITS)) { + if (lflag) { + mode_t tmode, mode; + + tmode = s->st_mode; + mode = p->fts_statp->st_mode & MBITS; + /* + * if none of the suid/sgid/etc bits are set, + * then if the mode is a subset of the target, + * skip. + */ + if (!((tmode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) || + (mode & ~(S_IRWXU|S_IRWXG|S_IRWXO)))) + if ((mode | tmode) == tmode) + goto skip; + } + + LABEL; + printf("%spermissions (%#lo, %#lo", + tab, (u_long)s->st_mode, + (u_long)p->fts_statp->st_mode & MBITS); + if (uflag) { + if (lchmod(p->fts_accpath, s->st_mode)) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } + else + printf(")\n"); + tab = "\t"; + skip: ; + } + if (s->flags & F_NLINK && s->type != F_DIR && + s->st_nlink != p->fts_statp->st_nlink) { + LABEL; + printf("%slink count (%lu, %lu)\n", + tab, (u_long)s->st_nlink, (u_long)p->fts_statp->st_nlink); + tab = "\t"; + } + if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size) { + LABEL; + printf("%ssize (%lld, %lld)\n", + tab, (long long)s->st_size, + (long long)p->fts_statp->st_size); + tab = "\t"; + } + /* + * XXX + * Since utimes(2) only takes a timeval, there's no point in + * comparing the low bits of the timespec nanosecond field. This + * will only result in mismatches that we can never fix. + * + * Doesn't display microsecond differences. + */ + if (s->flags & F_TIME) { + struct timeval tv[2]; + struct stat *ps = p->fts_statp; + time_t smtime = s->st_mtimespec.tv_sec; + +#if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H) + time_t pmtime = ps->st_mtimespec.tv_sec; + + TIMESPEC_TO_TIMEVAL(&tv[0], &s->st_mtimespec); + TIMESPEC_TO_TIMEVAL(&tv[1], &ps->st_mtimespec); +#else + time_t pmtime = (time_t)ps->st_mtime; + + tv[0].tv_sec = smtime; + tv[0].tv_usec = 0; + tv[1].tv_sec = pmtime; + tv[1].tv_usec = 0; +#endif + + if (tv[0].tv_sec != tv[1].tv_sec || + tv[0].tv_usec != tv[1].tv_usec) { + LABEL; + printf("%smodification time (%.24s, ", + tab, ctime(&smtime)); + printf("%.24s", ctime(&pmtime)); + if (tflag) { + tv[1] = tv[0]; + if (utimes(p->fts_accpath, tv)) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } else + printf(")\n"); + tab = "\t"; + } + } +#if HAVE_STRUCT_STAT_ST_FLAGS + /* + * XXX + * since lchflags(2) will reset file times, the utimes() above + * may have been useless! oh well, we'd rather have correct + * flags, rather than times? + */ + if ((s->flags & F_FLAGS) && ((s->st_flags != p->fts_statp->st_flags) + || mflag || iflag)) { + if (s->st_flags != p->fts_statp->st_flags) { + char *f_s; + LABEL; + f_s = flags_to_string(s->st_flags, "none"); + printf("%sflags (\"%s\" is not ", tab, f_s); + free(f_s); + f_s = flags_to_string(p->fts_statp->st_flags, "none"); + printf("\"%s\"", f_s); + free(f_s); + } + if (uflag) { + if (iflag) + SETFLAGS(0, CH_MASK); + else if (mflag) + CLEARFLAGS(0, SP_FLGS); + else + SETFLAGS(0, (~SP_FLGS & CH_MASK)); + } else + printf(")\n"); + tab = "\t"; + } +#endif /* HAVE_STRUCT_STAT_ST_FLAGS */ + + /* + * from this point, no more permission checking or whacking + * occurs, only checking of stuff like checksums and symlinks. + */ + afterpermwhack: + if (s->flags & F_CKSUM) { + if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) { + LABEL; + printf("%scksum: %s: %s\n", + tab, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else if (crc(fd, &val, &len)) { + close(fd); + LABEL; + printf("%scksum: %s: %s\n", + tab, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + close(fd); + if (s->cksum != val) { + LABEL; + printf("%scksum (%lu, %lu)\n", + tab, s->cksum, (unsigned long)val); + } + tab = "\t"; + } + } +#ifndef NO_MD5 + if (s->flags & F_MD5) { + if ((digestbuf = MD5File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, MD5KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->md5digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, MD5KEY, s->md5digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#endif /* ! NO_MD5 */ +#ifndef NO_RMD160 + if (s->flags & F_RMD160) { + if ((digestbuf = RMD160File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, RMD160KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->rmd160digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, RMD160KEY, s->rmd160digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#endif /* ! NO_RMD160 */ +#ifndef NO_SHA1 + if (s->flags & F_SHA1) { + if ((digestbuf = SHA1File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, SHA1KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->sha1digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, SHA1KEY, s->sha1digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#endif /* ! NO_SHA1 */ +#ifndef NO_SHA2 + if (s->flags & F_SHA256) { + if ((digestbuf = SHA256_File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, SHA256KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->sha256digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, SHA256KEY, s->sha256digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#ifdef SHA384_BLOCK_LENGTH + if (s->flags & F_SHA384) { + if ((digestbuf = SHA384_File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, SHA384KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->sha384digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, SHA384KEY, s->sha384digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#endif + if (s->flags & F_SHA512) { + if ((digestbuf = SHA512_File(p->fts_accpath, NULL)) == NULL) { + LABEL; + printf("%s%s: %s: %s\n", + tab, SHA512KEY, p->fts_accpath, strerror(errno)); + tab = "\t"; + } else { + if (strcmp(s->sha512digest, digestbuf)) { + LABEL; + printf("%s%s (0x%s, 0x%s)\n", + tab, SHA512KEY, s->sha512digest, digestbuf); + } + tab = "\t"; + free(digestbuf); + } + } +#endif /* ! NO_SHA2 */ + if (s->flags & F_SLINK && + strcmp(cp = rlink(p->fts_accpath), s->slink)) { + LABEL; + printf("%slink ref (%s, %s", tab, cp, s->slink); + if (uflag) { + if ((unlink(p->fts_accpath) == -1) || + (symlink(s->slink, p->fts_accpath) == -1) ) + printf(", not modified: %s)\n", + strerror(errno)); + else + printf(", modified)\n"); + } else + printf(")\n"); + } + return (label); +} + +const char * +rlink(const char *name) +{ + static char lbuf[MAXPATHLEN]; + int len; + + if ((len = readlink(name, lbuf, sizeof(lbuf) - 1)) == -1) + mtree_err("%s: %s", name, strerror(errno)); + lbuf[len] = '\0'; + return (lbuf); +} |
