Merge "Lose cp to toybox."
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 644d635..7e0235f 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -28,15 +28,6 @@
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
- upstream-netbsd/bin/cp/cp.c \
- upstream-netbsd/bin/cp/utils.c
-LOCAL_CFLAGS += $(common_cflags) -Dmain=cp_main
-LOCAL_MODULE := libtoolbox_cp
-LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := \
upstream-netbsd/bin/dd/args.c \
upstream-netbsd/bin/dd/conv.c \
upstream-netbsd/bin/dd/dd.c \
@@ -87,7 +78,6 @@
BSD_TOOLS := \
cat \
chown \
- cp \
dd \
du \
grep \
diff --git a/toolbox/upstream-netbsd/bin/cp/cp.c b/toolbox/upstream-netbsd/bin/cp/cp.c
deleted file mode 100644
index 4bbe1b7..0000000
--- a/toolbox/upstream-netbsd/bin/cp/cp.c
+++ /dev/null
@@ -1,548 +0,0 @@
-/* $NetBSD: cp.c,v 1.58 2012/01/04 15:58:37 christos Exp $ */
-
-/*
- * Copyright (c) 1988, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * David Hitz of Auspex Systems Inc.
- *
- * 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.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-__COPYRIGHT(
-"@(#) Copyright (c) 1988, 1993, 1994\
- The Regents of the University of California. All rights reserved.");
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)cp.c 8.5 (Berkeley) 4/29/95";
-#else
-__RCSID("$NetBSD: cp.c,v 1.58 2012/01/04 15:58:37 christos Exp $");
-#endif
-#endif /* not lint */
-
-/*
- * Cp copies source files to target files.
- *
- * The global PATH_T structure "to" always contains the path to the
- * current target file. Since fts(3) does not change directories,
- * this path can be either absolute or dot-relative.
- *
- * The basic algorithm is to initialize "to" and use fts(3) to traverse
- * the file hierarchy rooted in the argument list. A trivial case is the
- * case of 'cp file1 file2'. The more interesting case is the case of
- * 'cp file1 file2 ... fileN dir' where the hierarchy is traversed and the
- * path (relative to the root of the traversal) is appended to dir (stored
- * in "to") to form the final target path.
- */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-
-#include <assert.h>
-#include <err.h>
-#include <errno.h>
-#include <fts.h>
-#include <locale.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "extern.h"
-
-#define STRIP_TRAILING_SLASH(p) { \
- while ((p).p_end > (p).p_path + 1 && (p).p_end[-1] == '/') \
- *--(p).p_end = '\0'; \
-}
-
-static char empty[] = "";
-PATH_T to = { .p_end = to.p_path, .target_end = empty };
-
-uid_t myuid;
-int Hflag, Lflag, Rflag, Pflag, fflag, iflag, lflag, pflag, rflag, vflag, Nflag;
-mode_t myumask;
-sig_atomic_t pinfo;
-
-enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
-
-static int copy(char *[], enum op, int);
-
-static void
-progress(int sig __unused)
-{
-
- pinfo++;
-}
-
-int
-main(int argc, char *argv[])
-{
- struct stat to_stat, tmp_stat;
- enum op type;
- int ch, fts_options, r, have_trailing_slash;
- char *target, **src;
-
- setprogname(argv[0]);
- (void)setlocale(LC_ALL, "");
-
- Hflag = Lflag = Pflag = Rflag = 0;
- while ((ch = getopt(argc, argv, "HLNPRfailprv")) != -1)
- switch (ch) {
- case 'H':
- Hflag = 1;
- Lflag = Pflag = 0;
- break;
- case 'L':
- Lflag = 1;
- Hflag = Pflag = 0;
- break;
- case 'N':
- Nflag = 1;
- break;
- case 'P':
- Pflag = 1;
- Hflag = Lflag = 0;
- break;
- case 'R':
- Rflag = 1;
- break;
- case 'a':
- Pflag = 1;
- pflag = 1;
- Rflag = 1;
- Hflag = Lflag = 0;
- break;
- case 'f':
- fflag = 1;
- iflag = 0;
- break;
- case 'i':
- iflag = isatty(fileno(stdin));
- fflag = 0;
- break;
- case 'l':
- lflag = 1;
- break;
- case 'p':
- pflag = 1;
- break;
- case 'r':
- rflag = 1;
- break;
- case 'v':
- vflag = 1;
- break;
- case '?':
- default:
- usage();
- /* NOTREACHED */
- }
- argc -= optind;
- argv += optind;
-
- if (argc < 2)
- usage();
-
- fts_options = FTS_NOCHDIR | FTS_PHYSICAL;
- if (rflag) {
- if (Rflag) {
- errx(EXIT_FAILURE,
- "the -R and -r options may not be specified together.");
- /* NOTREACHED */
- }
- if (Hflag || Lflag || Pflag) {
- errx(EXIT_FAILURE,
- "the -H, -L, and -P options may not be specified with the -r option.");
- /* NOTREACHED */
- }
- fts_options &= ~FTS_PHYSICAL;
- fts_options |= FTS_LOGICAL;
- }
-
- if (Rflag) {
- if (Hflag)
- fts_options |= FTS_COMFOLLOW;
- if (Lflag) {
- fts_options &= ~FTS_PHYSICAL;
- fts_options |= FTS_LOGICAL;
- }
- } else if (!Pflag) {
- fts_options &= ~FTS_PHYSICAL;
- fts_options |= FTS_LOGICAL | FTS_COMFOLLOW;
- }
-
- myuid = getuid();
-
- /* Copy the umask for explicit mode setting. */
- myumask = umask(0);
- (void)umask(myumask);
-
- /* Save the target base in "to". */
- target = argv[--argc];
- if (strlcpy(to.p_path, target, sizeof(to.p_path)) >= sizeof(to.p_path))
- errx(EXIT_FAILURE, "%s: name too long", target);
- to.p_end = to.p_path + strlen(to.p_path);
- have_trailing_slash = (to.p_end[-1] == '/');
- if (have_trailing_slash)
- STRIP_TRAILING_SLASH(to);
- to.target_end = to.p_end;
-
- /* Set end of argument list for fts(3). */
- argv[argc] = NULL;
-
- (void)signal(SIGINFO, progress);
-
- /*
- * Cp has two distinct cases:
- *
- * cp [-R] source target
- * cp [-R] source1 ... sourceN directory
- *
- * In both cases, source can be either a file or a directory.
- *
- * In (1), the target becomes a copy of the source. That is, if the
- * source is a file, the target will be a file, and likewise for
- * directories.
- *
- * In (2), the real target is not directory, but "directory/source".
- */
- if (Pflag)
- r = lstat(to.p_path, &to_stat);
- else
- r = stat(to.p_path, &to_stat);
- if (r == -1 && errno != ENOENT) {
- err(EXIT_FAILURE, "%s", to.p_path);
- /* NOTREACHED */
- }
- if (r == -1 || !S_ISDIR(to_stat.st_mode)) {
- /*
- * Case (1). Target is not a directory.
- */
- if (argc > 1)
- usage();
- /*
- * Need to detect the case:
- * cp -R dir foo
- * Where dir is a directory and foo does not exist, where
- * we want pathname concatenations turned on but not for
- * the initial mkdir().
- */
- if (r == -1) {
- if (rflag || (Rflag && (Lflag || Hflag)))
- r = stat(*argv, &tmp_stat);
- else
- r = lstat(*argv, &tmp_stat);
- if (r == -1) {
- err(EXIT_FAILURE, "%s", *argv);
- /* NOTREACHED */
- }
-
- if (S_ISDIR(tmp_stat.st_mode) && (Rflag || rflag))
- type = DIR_TO_DNE;
- else
- type = FILE_TO_FILE;
- } else
- type = FILE_TO_FILE;
-
- if (have_trailing_slash && type == FILE_TO_FILE) {
- if (r == -1)
- errx(1, "directory %s does not exist",
- to.p_path);
- else
- errx(1, "%s is not a directory", to.p_path);
- }
- } else {
- /*
- * Case (2). Target is a directory.
- */
- type = FILE_TO_DIR;
- }
-
- /*
- * make "cp -rp src/ dst" behave like "cp -rp src dst" not
- * like "cp -rp src/. dst"
- */
- for (src = argv; *src; src++) {
- size_t len = strlen(*src);
- while (len-- > 1 && (*src)[len] == '/')
- (*src)[len] = '\0';
- }
-
- exit(copy(argv, type, fts_options));
- /* NOTREACHED */
-}
-
-static int dnestack[MAXPATHLEN]; /* unlikely we'll have more nested dirs */
-static ssize_t dnesp;
-static void
-pushdne(int dne)
-{
-
- dnestack[dnesp++] = dne;
- assert(dnesp < MAXPATHLEN);
-}
-
-static int
-popdne(void)
-{
- int rv;
-
- rv = dnestack[--dnesp];
- assert(dnesp >= 0);
- return rv;
-}
-
-static int
-copy(char *argv[], enum op type, int fts_options)
-{
- struct stat to_stat;
- FTS *ftsp;
- FTSENT *curr;
- int base, dne, sval;
- int this_failed, any_failed;
- size_t nlen;
- char *p, *target_mid;
-
- base = 0; /* XXX gcc -Wuninitialized (see comment below) */
-
- if ((ftsp = fts_open(argv, fts_options, NULL)) == NULL)
- err(EXIT_FAILURE, "%s", argv[0]);
- /* NOTREACHED */
- for (any_failed = 0; (curr = fts_read(ftsp)) != NULL;) {
- this_failed = 0;
- switch (curr->fts_info) {
- case FTS_NS:
- case FTS_DNR:
- case FTS_ERR:
- warnx("%s: %s", curr->fts_path,
- strerror(curr->fts_errno));
- this_failed = any_failed = 1;
- continue;
- case FTS_DC: /* Warn, continue. */
- warnx("%s: directory causes a cycle", curr->fts_path);
- this_failed = any_failed = 1;
- continue;
- }
-
- /*
- * If we are in case (2) or (3) above, we need to append the
- * source name to the target name.
- */
- if (type != FILE_TO_FILE) {
- if ((curr->fts_namelen +
- to.target_end - to.p_path + 1) > MAXPATHLEN) {
- warnx("%s/%s: name too long (not copied)",
- to.p_path, curr->fts_name);
- this_failed = any_failed = 1;
- continue;
- }
-
- /*
- * Need to remember the roots of traversals to create
- * correct pathnames. If there's a directory being
- * copied to a non-existent directory, e.g.
- * cp -R a/dir noexist
- * the resulting path name should be noexist/foo, not
- * noexist/dir/foo (where foo is a file in dir), which
- * is the case where the target exists.
- *
- * Also, check for "..". This is for correct path
- * concatentation for paths ending in "..", e.g.
- * cp -R .. /tmp
- * Paths ending in ".." are changed to ".". This is
- * tricky, but seems the easiest way to fix the problem.
- *
- * XXX
- * Since the first level MUST be FTS_ROOTLEVEL, base
- * is always initialized.
- */
- if (curr->fts_level == FTS_ROOTLEVEL) {
- if (type != DIR_TO_DNE) {
- p = strrchr(curr->fts_path, '/');
- base = (p == NULL) ? 0 :
- (int)(p - curr->fts_path + 1);
-
- if (!strcmp(&curr->fts_path[base],
- ".."))
- base += 1;
- } else
- base = curr->fts_pathlen;
- }
-
- p = &curr->fts_path[base];
- nlen = curr->fts_pathlen - base;
- target_mid = to.target_end;
- if (*p != '/' && target_mid[-1] != '/')
- *target_mid++ = '/';
- *target_mid = 0;
-
- if (target_mid - to.p_path + nlen >= PATH_MAX) {
- warnx("%s%s: name too long (not copied)",
- to.p_path, p);
- this_failed = any_failed = 1;
- continue;
- }
- (void)strncat(target_mid, p, nlen);
- to.p_end = target_mid + nlen;
- *to.p_end = 0;
- STRIP_TRAILING_SLASH(to);
- }
-
- sval = Pflag ? lstat(to.p_path, &to_stat) : stat(to.p_path, &to_stat);
- /* Not an error but need to remember it happened */
- if (sval == -1)
- dne = 1;
- else {
- if (to_stat.st_dev == curr->fts_statp->st_dev &&
- to_stat.st_ino == curr->fts_statp->st_ino) {
- warnx("%s and %s are identical (not copied).",
- to.p_path, curr->fts_path);
- this_failed = any_failed = 1;
- if (S_ISDIR(curr->fts_statp->st_mode))
- (void)fts_set(ftsp, curr, FTS_SKIP);
- continue;
- }
- if (!S_ISDIR(curr->fts_statp->st_mode) &&
- S_ISDIR(to_stat.st_mode)) {
- warnx("cannot overwrite directory %s with non-directory %s",
- to.p_path, curr->fts_path);
- this_failed = any_failed = 1;
- continue;
- }
- dne = 0;
- }
-
- switch (curr->fts_statp->st_mode & S_IFMT) {
- case S_IFLNK:
- /* Catch special case of a non dangling symlink */
- if((fts_options & FTS_LOGICAL) ||
- ((fts_options & FTS_COMFOLLOW) && curr->fts_level == 0)) {
- if (copy_file(curr, dne))
- this_failed = any_failed = 1;
- } else {
- if (copy_link(curr, !dne))
- this_failed = any_failed = 1;
- }
- break;
- case S_IFDIR:
- if (!Rflag && !rflag) {
- if (curr->fts_info == FTS_D)
- warnx("%s is a directory (not copied).",
- curr->fts_path);
- (void)fts_set(ftsp, curr, FTS_SKIP);
- this_failed = any_failed = 1;
- break;
- }
-
- /*
- * Directories get noticed twice:
- * In the first pass, create it if needed.
- * In the second pass, after the children have been copied, set the permissions.
- */
- if (curr->fts_info == FTS_D) /* First pass */
- {
- /*
- * If the directory doesn't exist, create the new
- * one with the from file mode plus owner RWX bits,
- * modified by the umask. Trade-off between being
- * able to write the directory (if from directory is
- * 555) and not causing a permissions race. If the
- * umask blocks owner writes, we fail..
- */
- pushdne(dne);
- if (dne) {
- if (mkdir(to.p_path,
- curr->fts_statp->st_mode | S_IRWXU) < 0)
- err(EXIT_FAILURE, "%s",
- to.p_path);
- /* NOTREACHED */
- } else if (!S_ISDIR(to_stat.st_mode)) {
- errno = ENOTDIR;
- err(EXIT_FAILURE, "%s",
- to.p_path);
- /* NOTREACHED */
- }
- }
- else if (curr->fts_info == FTS_DP) /* Second pass */
- {
- /*
- * If not -p and directory didn't exist, set it to be
- * the same as the from directory, umodified by the
- * umask; arguably wrong, but it's been that way
- * forever.
- */
- if (pflag && setfile(curr->fts_statp, 0))
- this_failed = any_failed = 1;
- else if ((dne = popdne()))
- (void)chmod(to.p_path,
- curr->fts_statp->st_mode);
- }
- else
- {
- warnx("directory %s encountered when not expected.",
- curr->fts_path);
- this_failed = any_failed = 1;
- break;
- }
-
- break;
- case S_IFBLK:
- case S_IFCHR:
- if (Rflag) {
- if (copy_special(curr->fts_statp, !dne))
- this_failed = any_failed = 1;
- } else
- if (copy_file(curr, dne))
- this_failed = any_failed = 1;
- break;
- case S_IFIFO:
- if (Rflag) {
- if (copy_fifo(curr->fts_statp, !dne))
- this_failed = any_failed = 1;
- } else
- if (copy_file(curr, dne))
- this_failed = any_failed = 1;
- break;
- default:
- if (copy_file(curr, dne))
- this_failed = any_failed = 1;
- break;
- }
- if (vflag && !this_failed)
- (void)printf("%s -> %s\n", curr->fts_path, to.p_path);
- }
- if (errno) {
- err(EXIT_FAILURE, "fts_read");
- /* NOTREACHED */
- }
- (void)fts_close(ftsp);
- return (any_failed);
-}
diff --git a/toolbox/upstream-netbsd/bin/cp/extern.h b/toolbox/upstream-netbsd/bin/cp/extern.h
deleted file mode 100644
index e393844..0000000
--- a/toolbox/upstream-netbsd/bin/cp/extern.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* $NetBSD: extern.h,v 1.17 2012/01/04 15:58:37 christos Exp $ */
-
-/*-
- * Copyright (c) 1991, 1993, 1994
- * 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.
- *
- * @(#)extern.h 8.2 (Berkeley) 4/1/94
- */
-
-#ifndef _EXTERN_H_
-#define _EXTERN_H_
-
-typedef struct {
- char *p_end; /* pointer to NULL at end of path */
- char *target_end; /* pointer to end of target base */
- char p_path[MAXPATHLEN + 1]; /* pointer to the start of a path */
-} PATH_T;
-
-extern PATH_T to;
-extern uid_t myuid;
-extern int Rflag, rflag, Hflag, Lflag, Pflag, fflag, iflag, lflag, pflag, Nflag;
-extern mode_t myumask;
-extern sig_atomic_t pinfo;
-
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-int copy_fifo(struct stat *, int);
-int copy_file(FTSENT *, int);
-int copy_link(FTSENT *, int);
-int copy_special(struct stat *, int);
-int set_utimes(const char *, struct stat *);
-int setfile(struct stat *, int);
-void usage(void) __attribute__((__noreturn__));
-__END_DECLS
-
-#endif /* !_EXTERN_H_ */
diff --git a/toolbox/upstream-netbsd/bin/cp/utils.c b/toolbox/upstream-netbsd/bin/cp/utils.c
deleted file mode 100644
index d8f900a..0000000
--- a/toolbox/upstream-netbsd/bin/cp/utils.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/* $NetBSD: utils.c,v 1.42 2013/12/11 06:00:11 dholland Exp $ */
-
-/*-
- * Copyright (c) 1991, 1993, 1994
- * 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.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)utils.c 8.3 (Berkeley) 4/1/94";
-#else
-__RCSID("$NetBSD: utils.c,v 1.42 2013/12/11 06:00:11 dholland Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/mman.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/extattr.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <fts.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "extern.h"
-
-#define MMAP_MAX_SIZE (8 * 1048576)
-#define MMAP_MAX_WRITE (64 * 1024)
-
-int
-set_utimes(const char *file, struct stat *fs)
-{
- static struct timeval tv[2];
-
-#ifdef __ANDROID__
- tv[0].tv_sec = fs->st_atime;
- tv[0].tv_usec = 0;
- tv[1].tv_sec = fs->st_mtime;
- tv[1].tv_usec = 0;
-
- if (utimes(file, tv)) {
- warn("utimes: %s", file);
- return 1;
- }
-#else
- TIMESPEC_TO_TIMEVAL(&tv[0], &fs->st_atimespec);
- TIMESPEC_TO_TIMEVAL(&tv[1], &fs->st_mtimespec);
-
- if (lutimes(file, tv)) {
- warn("lutimes: %s", file);
- return (1);
- }
-#endif
- return (0);
-}
-
-struct finfo {
- const char *from;
- const char *to;
- size_t size;
-};
-
-static void
-progress(const struct finfo *fi, size_t written)
-{
- int pcent = (int)((100.0 * written) / fi->size);
-
- pinfo = 0;
- (void)fprintf(stderr, "%s => %s %zu/%zu bytes %d%% written\n",
- fi->from, fi->to, written, fi->size, pcent);
-}
-
-int
-copy_file(FTSENT *entp, int dne)
-{
- static char buf[MAXBSIZE];
- struct stat to_stat, *fs;
- int ch, checkch, from_fd, rcount, rval, to_fd, tolnk, wcount;
- char *p;
- size_t ptotal = 0;
-
- if ((from_fd = open(entp->fts_path, O_RDONLY, 0)) == -1) {
- warn("%s", entp->fts_path);
- return (1);
- }
-
- to_fd = -1;
- fs = entp->fts_statp;
- tolnk = ((Rflag && !(Lflag || Hflag)) || Pflag);
-
- /*
- * If the file exists and we're interactive, verify with the user.
- * If the file DNE, set the mode to be the from file, minus setuid
- * bits, modified by the umask; arguably wrong, but it makes copying
- * executables work right and it's been that way forever. (The
- * other choice is 666 or'ed with the execute bits on the from file
- * modified by the umask.)
- */
- if (!dne) {
- struct stat sb;
- int sval;
-
- if (iflag) {
- (void)fprintf(stderr, "overwrite %s? ", to.p_path);
- checkch = ch = getchar();
- while (ch != '\n' && ch != EOF)
- ch = getchar();
- if (checkch != 'y' && checkch != 'Y') {
- (void)close(from_fd);
- return (0);
- }
- }
-
- sval = tolnk ?
- lstat(to.p_path, &sb) : stat(to.p_path, &sb);
- if (sval == -1) {
- warn("stat: %s", to.p_path);
- (void)close(from_fd);
- return (1);
- }
-
- if (!(tolnk && S_ISLNK(sb.st_mode)))
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC, 0);
- } else
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
- fs->st_mode & ~(S_ISUID | S_ISGID));
-
- if (to_fd == -1 && (fflag || tolnk)) {
- /*
- * attempt to remove existing destination file name and
- * create a new file
- */
- (void)unlink(to.p_path);
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
- fs->st_mode & ~(S_ISUID | S_ISGID));
- }
-
- if (to_fd == -1) {
- warn("%s", to.p_path);
- (void)close(from_fd);
- return (1);
- }
-
- rval = 0;
-
- /* if hard linking then simply close the open fds, link and return */
- if (lflag) {
- (void)close(from_fd);
- (void)close(to_fd);
- (void)unlink(to.p_path);
- if (link(entp->fts_path, to.p_path)) {
- warn("%s", to.p_path);
- return (1);
- }
- return (0);
- }
-
- /*
- * There's no reason to do anything other than close the file
- * now if it's empty, so let's not bother.
- */
-#ifndef __ANDROID__ // Files in /proc report length 0. mmap will fail but we'll fall back to read.
- if (fs->st_size > 0) {
-#endif
- struct finfo fi;
-
- fi.from = entp->fts_path;
- fi.to = to.p_path;
- fi.size = (size_t)fs->st_size;
-
- /*
- * Mmap and write if less than 8M (the limit is so
- * we don't totally trash memory on big files).
- * This is really a minor hack, but it wins some CPU back.
- */
- bool use_read;
-
- use_read = true;
- if (fs->st_size <= MMAP_MAX_SIZE) {
- size_t fsize = (size_t)fs->st_size;
- p = mmap(NULL, fsize, PROT_READ, MAP_FILE|MAP_SHARED,
- from_fd, (off_t)0);
- if (p != MAP_FAILED) {
- size_t remainder;
-
- use_read = false;
-
- (void) madvise(p, (size_t)fs->st_size,
- MADV_SEQUENTIAL);
-
- /*
- * Write out the data in small chunks to
- * avoid locking the output file for a
- * long time if the reading the data from
- * the source is slow.
- */
- remainder = fsize;
- do {
- ssize_t chunk;
-
- chunk = (remainder > MMAP_MAX_WRITE) ?
- MMAP_MAX_WRITE : remainder;
- if (write(to_fd, &p[fsize - remainder],
- chunk) != chunk) {
- warn("%s", to.p_path);
- rval = 1;
- break;
- }
- remainder -= chunk;
- ptotal += chunk;
- if (pinfo)
- progress(&fi, ptotal);
- } while (remainder > 0);
-
- if (munmap(p, fsize) < 0) {
- warn("%s", entp->fts_path);
- rval = 1;
- }
- }
- }
-
- if (use_read) {
- while ((rcount = read(from_fd, buf, MAXBSIZE)) > 0) {
- wcount = write(to_fd, buf, (size_t)rcount);
- if (rcount != wcount || wcount == -1) {
- warn("%s", to.p_path);
- rval = 1;
- break;
- }
- ptotal += wcount;
- if (pinfo)
- progress(&fi, ptotal);
- }
- if (rcount < 0) {
- warn("%s", entp->fts_path);
- rval = 1;
- }
- }
-#ifndef __ANDROID__
- }
-#endif
-
-#ifndef __ANDROID__
- if (pflag && (fcpxattr(from_fd, to_fd) != 0))
- warn("%s: error copying extended attributes", to.p_path);
-#endif
-
- (void)close(from_fd);
-
- if (rval == 1) {
- (void)close(to_fd);
- return (1);
- }
-
- if (pflag && setfile(fs, to_fd))
- rval = 1;
- /*
- * If the source was setuid or setgid, lose the bits unless the
- * copy is owned by the same user and group.
- */
-#define RETAINBITS \
- (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO)
- if (!pflag && dne
- && fs->st_mode & (S_ISUID | S_ISGID) && fs->st_uid == myuid) {
- if (fstat(to_fd, &to_stat)) {
- warn("%s", to.p_path);
- rval = 1;
- } else if (fs->st_gid == to_stat.st_gid &&
- fchmod(to_fd, fs->st_mode & RETAINBITS & ~myumask)) {
- warn("%s", to.p_path);
- rval = 1;
- }
- }
- if (close(to_fd)) {
- warn("%s", to.p_path);
- rval = 1;
- }
- /* set the mod/access times now after close of the fd */
- if (pflag && set_utimes(to.p_path, fs)) {
- rval = 1;
- }
- return (rval);
-}
-
-int
-copy_link(FTSENT *p, int exists)
-{
- int len;
- char target[MAXPATHLEN];
-
- if ((len = readlink(p->fts_path, target, sizeof(target)-1)) == -1) {
- warn("readlink: %s", p->fts_path);
- return (1);
- }
- target[len] = '\0';
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
- return (1);
- }
- if (symlink(target, to.p_path)) {
- warn("symlink: %s", target);
- return (1);
- }
- return (pflag ? setfile(p->fts_statp, 0) : 0);
-}
-
-int
-copy_fifo(struct stat *from_stat, int exists)
-{
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
- return (1);
- }
- if (mkfifo(to.p_path, from_stat->st_mode)) {
- warn("mkfifo: %s", to.p_path);
- return (1);
- }
- return (pflag ? setfile(from_stat, 0) : 0);
-}
-
-int
-copy_special(struct stat *from_stat, int exists)
-{
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
- return (1);
- }
- if (mknod(to.p_path, from_stat->st_mode, from_stat->st_rdev)) {
- warn("mknod: %s", to.p_path);
- return (1);
- }
- return (pflag ? setfile(from_stat, 0) : 0);
-}
-
-
-/*
- * Function: setfile
- *
- * Purpose:
- * Set the owner/group/permissions for the "to" file to the information
- * in the stat structure. If fd is zero, also call set_utimes() to set
- * the mod/access times. If fd is non-zero, the caller must do a utimes
- * itself after close(fd).
- */
-int
-setfile(struct stat *fs, int fd)
-{
- int rval, islink;
-
- rval = 0;
- islink = S_ISLNK(fs->st_mode);
- fs->st_mode &= S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
-
- /*
- * Changing the ownership probably won't succeed, unless we're root
- * or POSIX_CHOWN_RESTRICTED is not set. Set uid/gid before setting
- * the mode; current BSD behavior is to remove all setuid bits on
- * chown. If chown fails, lose setuid/setgid bits.
- */
- if (fd ? fchown(fd, fs->st_uid, fs->st_gid) :
- lchown(to.p_path, fs->st_uid, fs->st_gid)) {
- if (errno != EPERM) {
- warn("chown: %s", to.p_path);
- rval = 1;
- }
- fs->st_mode &= ~(S_ISUID | S_ISGID);
- }
-#ifdef __ANDROID__
- if (fd ? fchmod(fd, fs->st_mode) : chmod(to.p_path, fs->st_mode)) {
-#else
- if (fd ? fchmod(fd, fs->st_mode) : lchmod(to.p_path, fs->st_mode)) {
-#endif
- warn("chmod: %s", to.p_path);
- rval = 1;
- }
-
-#ifndef __ANDROID__
- if (!islink && !Nflag) {
- unsigned long fflags = fs->st_flags;
- /*
- * XXX
- * NFS doesn't support chflags; ignore errors unless
- * there's reason to believe we're losing bits.
- * (Note, this still won't be right if the server
- * supports flags and we were trying to *remove* flags
- * on a file that we copied, i.e., that we didn't create.)
- */
- errno = 0;
- if ((fd ? fchflags(fd, fflags) :
- chflags(to.p_path, fflags)) == -1)
- if (errno != EOPNOTSUPP || fs->st_flags != 0) {
- warn("chflags: %s", to.p_path);
- rval = 1;
- }
- }
-#endif
- /* if fd is non-zero, caller must call set_utimes() after close() */
- if (fd == 0 && set_utimes(to.p_path, fs))
- rval = 1;
- return (rval);
-}
-
-void
-usage(void)
-{
- (void)fprintf(stderr,
- "usage: %s [-R [-H | -L | -P]] [-f | -i] [-alNpv] src target\n"
- " %s [-R [-H | -L | -P]] [-f | -i] [-alNpv] src1 ... srcN directory\n",
- getprogname(), getprogname());
- exit(1);
- /* NOTREACHED */
-}