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-rw-r--r--src/kmk/kmkbuiltin/install.c1248
1 files changed, 1248 insertions, 0 deletions
diff --git a/src/kmk/kmkbuiltin/install.c b/src/kmk/kmkbuiltin/install.c
new file mode 100644
index 0000000..a6d1ca8
--- /dev/null
+++ b/src/kmk/kmkbuiltin/install.c
@@ -0,0 +1,1248 @@
+/*
+ * Copyright (c) 1987, 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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 /*ndef lint*/
+static const char copyright[] =
+"@(#) Copyright (c) 1987, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#if 0
+#ifndef lint
+static char sccsid[] = "@(#)xinstall.c 8.1 (Berkeley) 7/21/93";
+#endif /* not lint */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/usr.bin/xinstall/xinstall.c,v 1.66 2005/01/25 14:34:57 ssouhlal Exp $");
+#endif
+
+#define FAKES_NO_GETOPT_H
+#include "config.h"
+#ifndef _MSC_VER
+# include <sys/param.h>
+# if !defined(__HAIKU__) && !defined(__gnu_hurd__)
+# include <sys/mount.h>
+# endif
+# include <sys/wait.h>
+# include <sys/time.h>
+#endif /* !_MSC_VER */
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include "err.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <paths.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef __HAIKU__
+# include <sysexits.h>
+#endif
+#ifdef __NetBSD__
+# include <util.h>
+# define strtofflags(a, b, c) string_to_flags(a, b, c)
+#endif
+#include <unistd.h>
+#if defined(__EMX__) || defined(_MSC_VER)
+# include <process.h>
+#endif
+#include "getopt_r.h"
+#ifdef __sun__
+# include "solfakes.h"
+#endif
+#ifdef _MSC_VER
+# include "mscfakes.h"
+#endif
+#ifdef __HAIKU__
+# include "haikufakes.h"
+#endif
+#include "kmkbuiltin.h"
+#include "k/kDefs.h" /* for K_OS */
+#include "dos2unix.h"
+
+
+extern void * bsd_setmode(const char *p);
+extern mode_t bsd_getmode(const void *bbox, mode_t omode);
+
+#ifndef MAXBSIZE
+# define MAXBSIZE 0x20000
+#endif
+
+#define MAX_CMP_SIZE (16 * 1024 * 1024)
+
+#define DIRECTORY 0x01 /* Tell install it's a directory. */
+#define SETFLAGS 0x02 /* Tell install to set flags. */
+#define NOCHANGEBITS (UF_IMMUTABLE | UF_APPEND | SF_IMMUTABLE | SF_APPEND)
+#define BACKUP_SUFFIX ".old"
+
+#ifndef O_BINARY
+# define O_BINARY 0
+#endif
+
+#ifndef EFTYPE
+# define EFTYPE EINVAL
+#endif
+
+#if defined(__WIN32__) || defined(__WIN64__) || defined(__OS2__)
+# define IS_SLASH(ch) ((ch) == '/' || (ch) == '\\')
+#else
+# define IS_SLASH(ch) ((ch) == '/')
+#endif
+
+
+/*********************************************************************************************************************************
+* Structures and Typedefs *
+*********************************************************************************************************************************/
+typedef struct INSTALLINSTANCE
+{
+ PKMKBUILTINCTX pCtx;
+
+ gid_t gid;
+ uid_t uid;
+ int dobackup, docompare, dodir, dopreserve, dostrip, nommap, safecopy, verbose, mode_given;
+ mode_t mode;
+ const char *suffix;
+ int ignore_perm_errors;
+ int hard_link_files_when_possible;
+ int verbose_hard_link_refusal;
+ int verbose_hard_link_mode_mismatch;
+ int dos2unix;
+} INSTALLINSTANCE;
+typedef INSTALLINSTANCE *PINSTALLINSTANCE;
+
+enum
+{
+ kInstOpt_Help = 261,
+ kInstOpt_Version,
+ kInstOpt_Verbose,
+ kInstOpt_Quiet,
+ kInstOpt_IgnorePermErrors,
+ kInstOpt_NoIgnorePermErrors,
+ kInstOpt_HardLinkFilesWhenPossible,
+ kInstOpt_NoHardLinkFilesWhenPossible,
+ kInstOpt_Dos2Unix,
+ kInstOpt_Unix2Dos,
+ kInstOpt_VerboseHardLinkRefusal,
+ kInstOpt_QuietHardLinkRefusal,
+ kInstOpt_VerboseHardLinkModeMismatch,
+ kInstOpt_QuietHardLinkModeMismatch
+};
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+static struct option long_options[] =
+{
+ { "help", no_argument, 0, kInstOpt_Help },
+ { "version", no_argument, 0, kInstOpt_Version },
+ { "quiet", no_argument, 0, kInstOpt_Quiet },
+ { "ignore-perm-errors", no_argument, 0, kInstOpt_IgnorePermErrors },
+ { "no-ignore-perm-errors", no_argument, 0, kInstOpt_NoIgnorePermErrors },
+ { "hard-link-files-when-possible", no_argument, 0, kInstOpt_HardLinkFilesWhenPossible },
+ { "no-hard-link-files-when-possible", no_argument, 0, kInstOpt_NoHardLinkFilesWhenPossible },
+ { "verbose-hard-link-refusal", no_argument, 0, kInstOpt_VerboseHardLinkRefusal },
+ { "quiet-hard-link-refusal", no_argument, 0, kInstOpt_QuietHardLinkRefusal },
+ { "verbose-hard-link-mode-mismatch", no_argument, 0, kInstOpt_VerboseHardLinkModeMismatch },
+ { "quiet-hard-link-mode-mismatch", no_argument, 0, kInstOpt_QuietHardLinkModeMismatch },
+ { "dos2unix", no_argument, 0, kInstOpt_Dos2Unix },
+ { "unix2dos", no_argument, 0, kInstOpt_Unix2Dos },
+#if 1 /* GNU coreutils compatibility: */
+ { "compare", no_argument, 0, 'C' },
+ { "directory", no_argument, 0, 'd' },
+ { "group", required_argument, 0, 'g' },
+ { "mode", required_argument, 0, 'm' },
+ { "owner", required_argument, 0, 'o' },
+ { "strip", no_argument, 0, 's' },
+ { "suffix", required_argument, 0, 'S' },
+ { "verbose", no_argument, 0, 'v' },
+#endif
+ { 0, 0, 0, 0 },
+};
+
+
+static int copy(PINSTALLINSTANCE, int, const char *, int *, const char *);
+static int compare(int, size_t, int, size_t);
+static int create_newfile(PINSTALLINSTANCE, const char *, int, struct stat *);
+static int create_tempfile(const char *, char *, size_t);
+static int install(PINSTALLINSTANCE, const char *, const char *, u_long, u_int);
+static int install_dir(PINSTALLINSTANCE, char *);
+static u_long numeric_id(PINSTALLINSTANCE, const char *, const char *);
+static int strip(PINSTALLINSTANCE, const char *);
+static int usage(PKMKBUILTINCTX, int);
+static char *last_slash(const char *);
+static KBOOL needs_dos2unix_conversion(const char *pszFilename);
+static KBOOL needs_unix2dos_conversion(const char *pszFilename);
+
+int
+kmk_builtin_install(int argc, char *argv[], char ** envp, PKMKBUILTINCTX pCtx)
+{
+ INSTALLINSTANCE This;
+ struct getopt_state_r gos;
+ struct stat from_sb, to_sb;
+ mode_t *set;
+ u_long fset = 0;
+ int ch, no_target;
+ u_int iflags;
+ char *flags;
+ const char *group, *owner, *to_name;
+ (void)envp;
+
+ /* Initialize global instance data. */
+ This.pCtx = pCtx;
+ This.mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
+ This.suffix = BACKUP_SUFFIX;
+ This.gid = 0;
+ This.uid = 0;
+ This.dobackup = 0;
+ This.docompare = 0;
+ This.dodir = 0;
+ This.dopreserve = 0;
+ This.dostrip = 0;
+ This.nommap = 0;
+ This.safecopy = 0;
+ This.verbose = 0;
+ This.mode_given = 0;
+ This.ignore_perm_errors = geteuid() != 0;
+ This.hard_link_files_when_possible = 0;
+ This.verbose_hard_link_refusal = 0;
+ This.verbose_hard_link_mode_mismatch = 0;
+ This.dos2unix = 0;
+
+ iflags = 0;
+ group = owner = NULL;
+ getopt_initialize_r(&gos, argc, argv, "B:bCcdf:g:Mm:o:pSsv", long_options, envp, pCtx);
+ while ((ch = getopt_long_r(&gos, NULL)) != -1)
+ switch(ch) {
+ case 'B':
+ This.suffix = gos.optarg;
+ /* FALLTHROUGH */
+ case 'b':
+ This.dobackup = 1;
+ break;
+ case 'C':
+ This.docompare = 1;
+ break;
+ case 'c':
+ /* For backwards compatibility. */
+ break;
+ case 'd':
+ This.dodir = 1;
+ break;
+ case 'f':
+#if defined(UF_IMMUTABLE) && K_OS != K_OS_GNU_KFBSD && K_OS != K_OS_GNU_HURD
+ flags = optarg;
+ if (strtofflags(&flags, &fset, NULL))
+ return errx(pCtx, EX_USAGE, "%s: invalid flag", flags);
+ iflags |= SETFLAGS;
+#else
+ (void)flags;
+#endif
+ break;
+ case 'g':
+ group = gos.optarg;
+ break;
+ case 'M':
+ This.nommap = 1;
+ break;
+ case 'm':
+ if (!(set = bsd_setmode(gos.optarg)))
+ return errx(pCtx, EX_USAGE, "invalid file mode: %s", gos.optarg);
+ This.mode = bsd_getmode(set, 0);
+ free(set);
+ This.mode_given = 1;
+ break;
+ case 'o':
+ owner = gos.optarg;
+ break;
+ case 'p':
+ This.docompare = This.dopreserve = 1;
+ break;
+ case 'S':
+ This.safecopy = 1;
+ This.verbose_hard_link_refusal = 0;
+ break;
+ case 's':
+ This.dostrip = 1;
+ This.verbose_hard_link_refusal = 0;
+ break;
+ case 'v':
+ case kInstOpt_Verbose:
+ This.verbose = 1;
+ break;
+ case kInstOpt_Quiet:
+ This.verbose = 0;
+ break;
+ case kInstOpt_Help:
+ usage(pCtx, 0);
+ return 0;
+ case kInstOpt_Version:
+ return kbuild_version(argv[0]);
+ case kInstOpt_IgnorePermErrors:
+ This.ignore_perm_errors = 1;
+ break;
+ case kInstOpt_NoIgnorePermErrors:
+ This.ignore_perm_errors = 0;
+ break;
+ case kInstOpt_HardLinkFilesWhenPossible:
+ This.hard_link_files_when_possible = 1;
+ break;
+ case kInstOpt_NoHardLinkFilesWhenPossible:
+ This.hard_link_files_when_possible = 0;
+ break;
+ case kInstOpt_VerboseHardLinkRefusal:
+ This.verbose_hard_link_refusal = 1;
+ break;
+ case kInstOpt_QuietHardLinkRefusal:
+ This.verbose_hard_link_refusal = 0;
+ break;
+ case kInstOpt_VerboseHardLinkModeMismatch:
+ This.verbose_hard_link_mode_mismatch = 1;
+ break;
+ case kInstOpt_QuietHardLinkModeMismatch:
+ This.verbose_hard_link_mode_mismatch = 0;
+ break;
+ case kInstOpt_Dos2Unix:
+ This.dos2unix = 1;
+ This.verbose_hard_link_refusal = 0;
+ break;
+ case kInstOpt_Unix2Dos:
+ This.dos2unix = -1;
+ This.verbose_hard_link_refusal = 0;
+ break;
+ case '?':
+ default:
+ return usage(pCtx, 1);
+ }
+ argc -= gos.optind;
+ argv += gos.optind;
+
+ /* some options make no sense when creating directories */
+ if (This.dostrip && This.dodir) {
+ warnx(pCtx, "-d and -s may not be specified together");
+ return usage(pCtx, 1);
+ }
+
+ /* must have at least two arguments, except when creating directories */
+ if (argc == 0 || (argc == 1 && !This.dodir))
+ return usage(pCtx, 1);
+
+ /* and unix2dos doesn't combine well with a couple of other options. */
+ if (This.dos2unix != 0) {
+ if (This.docompare) {
+ warnx(pCtx, "-C/-p and --dos2unix/unix2dos may not be specified together");
+ return usage(pCtx, 1);
+ }
+ if (This.dostrip) {
+ warnx(pCtx, "-s and --dos2unix/unix2dos may not be specified together");
+ return usage(pCtx, 1);
+ }
+ }
+
+ /* need to make a temp copy so we can compare stripped version */
+ if (This.docompare && This.dostrip)
+ This.safecopy = 1;
+
+ /* get group and owner id's */
+ if (group != NULL) {
+#ifndef _MSC_VER
+ struct group *gp;
+ if ((gp = getgrnam(group)) != NULL)
+ This.gid = gp->gr_gid;
+ else
+#endif
+ {
+ This.gid = (gid_t)numeric_id(&This, group, "group");
+ if (This.gid == (gid_t)-1)
+ return 1;
+ }
+ } else
+ This.gid = (gid_t)-1;
+
+ if (owner != NULL) {
+#ifndef _MSC_VER
+ struct passwd *pp;
+ if ((pp = getpwnam(owner)) != NULL)
+ This.uid = pp->pw_uid;
+ else
+#endif
+ {
+ This.uid = (uid_t)numeric_id(&This, owner, "user");
+ if (This.uid == (uid_t)-1)
+ return 1;
+ }
+ } else
+ This.uid = (uid_t)-1;
+
+ if (This.dodir) {
+ for (; *argv != NULL; ++argv) {
+ int rc = install_dir(&This, *argv);
+ if (rc)
+ return rc;
+ }
+ return EX_OK;
+ /* NOTREACHED */
+ }
+
+ no_target = stat(to_name = argv[argc - 1], &to_sb);
+ if (!no_target && S_ISDIR(to_sb.st_mode)) {
+ for (; *argv != to_name; ++argv) {
+ int rc = install(&This, *argv, to_name, fset, iflags | DIRECTORY);
+ if (rc)
+ return rc;
+ }
+ return EX_OK;
+ }
+
+ /* can't do file1 file2 directory/file */
+ if (argc != 2) {
+ warnx(pCtx, "wrong number or types of arguments");
+ return usage(pCtx, 1);
+ }
+
+ if (!no_target) {
+ if (stat(*argv, &from_sb))
+ return err(pCtx, EX_OSERR, "%s", *argv);
+ if (!S_ISREG(to_sb.st_mode)) {
+ errno = EFTYPE;
+ return err(pCtx, EX_OSERR, "%s", to_name);
+ }
+ if (to_sb.st_dev == from_sb.st_dev &&
+ to_sb.st_dev != 0 &&
+ to_sb.st_ino == from_sb.st_ino &&
+ to_sb.st_ino != 0 &&
+ !This.hard_link_files_when_possible)
+ return errx(pCtx, EX_USAGE,
+ "%s and %s are the same file", *argv, to_name);
+ }
+ return install(&This, *argv, to_name, fset, iflags);
+}
+
+#ifdef KMK_BUILTIN_STANDALONE
+mode_t g_fUMask;
+int main(int argc, char **argv, char **envp)
+{
+ KMKBUILTINCTX Ctx = { "kmk_install", NULL };
+ umask(g_fUMask = umask(0077));
+ return kmk_builtin_install(argc, argv, envp, &Ctx);
+}
+#endif
+
+static u_long
+numeric_id(PINSTALLINSTANCE pThis, const char *name, const char *type)
+{
+ u_long val;
+ char *ep;
+
+ /*
+ * XXX
+ * We know that uid_t's and gid_t's are unsigned longs.
+ */
+ errno = 0;
+ val = strtoul(name, &ep, 10);
+ if (errno)
+ return err(pThis->pCtx, -1, "%s", name);
+ if (*ep != '\0')
+ return errx(pThis->pCtx, -1, "unknown %s %s", type, name);
+ return (val);
+}
+
+/*
+ * install --
+ * build a path name and install the file
+ */
+static int
+install(PINSTALLINSTANCE pThis, const char *from_name, const char *to_name, u_long fset, u_int flags)
+{
+ struct stat from_sb, temp_sb, to_sb;
+ struct timeval tvb[2];
+ int devnull, files_match, from_fd, serrno, target;
+ int tempcopy, temp_fd, to_fd;
+ char backup[MAXPATHLEN], *p, pathbuf[MAXPATHLEN], tempfile[MAXPATHLEN];
+ int rc = EX_OK;
+
+ files_match = 0;
+ from_fd = -1;
+ to_fd = -1;
+ temp_fd = -1;
+
+ /* If try to install NULL file to a directory, fails. */
+ if (flags & DIRECTORY
+#if defined(__EMX__) || defined(_MSC_VER)
+ || ( stricmp(from_name, _PATH_DEVNULL)
+ && stricmp(from_name, "nul")
+# ifdef __EMX__
+ && stricmp(from_name, "/dev/nul")
+# endif
+ )
+#else
+ || strcmp(from_name, _PATH_DEVNULL)
+#endif
+ ) {
+ if (stat(from_name, &from_sb))
+ return err(pThis->pCtx, EX_OSERR, "%s", from_name);
+ if (!S_ISREG(from_sb.st_mode)) {
+ errno = EFTYPE;
+ return err(pThis->pCtx, EX_OSERR, "%s", from_name);
+ }
+ /* Build the target path. */
+ if (flags & DIRECTORY) {
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s/%s",
+ to_name,
+ (p = last_slash(from_name)) ? ++p : from_name);
+ to_name = pathbuf;
+ }
+ devnull = 0;
+ } else {
+ devnull = 1;
+ }
+
+ target = stat(to_name, &to_sb) == 0;
+
+ /* Only install to regular files. */
+ if (target && !S_ISREG(to_sb.st_mode)) {
+ errno = EFTYPE;
+ warn(pThis->pCtx, "%s", to_name);
+ return EX_OK;
+ }
+
+ /* Only copy safe if the target exists. */
+ tempcopy = pThis->safecopy && target;
+
+ /* Try hard linking if wanted and possible. */
+ if (pThis->hard_link_files_when_possible)
+ {
+#ifdef KBUILD_OS_OS2
+ const char *why_not = "not supported on OS/2";
+#else
+ const char *why_not = NULL;
+ if (devnull) {
+ why_not = "/dev/null";
+ } else if (pThis->dostrip) {
+ why_not = "strip (-s)";
+ } else if (pThis->docompare) {
+ why_not = "compare (-C)";
+ } else if (pThis->dobackup) {
+ why_not = "backup (-b/-B)";
+ } else if (pThis->safecopy) {
+ why_not = "safe copy (-S)";
+ } else if (lstat(from_name, &temp_sb)) {
+ why_not = "lstat on source failed";
+ } else if (S_ISLNK(temp_sb.st_mode)) {
+ why_not = "symlink";
+ } else if (!S_ISREG(temp_sb.st_mode)) {
+ why_not = "not regular file";
+# if defined(KBUILD_OS_WINDOWS) || defined(KBUILD_OS_OS2)
+ } else if ((pThis->mode & S_IWUSR) != (from_sb.st_mode & S_IWUSR)) {
+# else
+ } else if (pThis->mode != (from_sb.st_mode & ALLPERMS)) {
+# endif
+ if ( pThis->verbose_hard_link_mode_mismatch
+ || pThis->verbose_hard_link_refusal)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0,
+ "install: warning: Not hard linking, mode differs: 0%03o, desires 0%03o\n"
+ "install: src path '%s'\n"
+ "install: dst path '%s'\n",
+ (from_sb.st_mode & ALLPERMS), pThis->mode, from_name, to_name);
+ why_not = NULL;
+ } else if (pThis->uid != (uid_t)-1 && pThis->uid != from_sb.st_uid) {
+ why_not = "uid mismatch";
+ } else if (pThis->gid != (gid_t)-1 && pThis->gid != from_sb.st_gid) {
+ why_not = "gid mismatch";
+ } else if (pThis->dos2unix > 0 && needs_dos2unix_conversion(from_name)) {
+ why_not = "dos2unix";
+ } else if (pThis->dos2unix < 0 && needs_unix2dos_conversion(from_name)) {
+ why_not = "unix2dos";
+ } else {
+ int rcLink = link(from_name, to_name);
+ if (rcLink != 0 && errno == EEXIST) {
+ unlink(to_name);
+ rcLink = link(from_name, to_name);
+ }
+ if (rcLink == 0) {
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0,
+ "install: %s -> %s (hardlinked)\n", from_name, to_name);
+ goto l_done;
+ }
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: hard linking '%s' to '%s' failed: %s\n",
+ to_name, from_name, strerror(errno));
+ why_not = NULL;
+ }
+#endif
+ if (why_not && pThis->verbose_hard_link_refusal)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: not hard linking '%s' to '%s' because: %s\n",
+ to_name, from_name, why_not);
+
+ /* Can't hard link or we failed, continue as nothing happend. */
+ }
+
+ if (!devnull && (from_fd = open(from_name, O_RDONLY | O_BINARY | KMK_OPEN_NO_INHERIT, 0)) < 0)
+ return err(pThis->pCtx, EX_OSERR, "%s", from_name);
+
+ /* If we don't strip, we can compare first. */
+ if (pThis->docompare && !pThis->dostrip && target) {
+ if ((to_fd = open(to_name, O_RDONLY | O_BINARY | KMK_OPEN_NO_INHERIT, 0)) < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "%s", to_name);
+ goto l_done;
+ }
+ if (devnull)
+ files_match = to_sb.st_size == 0;
+ else
+ files_match = !compare(from_fd, (size_t)from_sb.st_size,
+ to_fd, (size_t)to_sb.st_size);
+
+ /* Close "to" file unless we match. */
+ if (!files_match) {
+ (void)close(to_fd);
+ to_fd = -1;
+ }
+ }
+
+ if (!files_match) {
+ if (tempcopy) {
+ to_fd = create_tempfile(to_name, tempfile,
+ sizeof(tempfile));
+ if (to_fd < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "%s", tempfile);
+ goto l_done;
+ }
+ } else {
+ if ((to_fd = create_newfile(pThis, to_name, target, &to_sb)) < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "%s", to_name);
+ goto l_done;
+ }
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: %s -> %s\n", from_name, to_name);
+ }
+ if (!devnull) {
+ rc = copy(pThis, from_fd, from_name, &to_fd, tempcopy ? tempfile : to_name);
+ if (rc)
+ goto l_done;
+ }
+ }
+
+ if (pThis->dostrip) {
+#if defined(__EMX__) || defined(_MSC_VER)
+ /* close before we strip. */
+ close(to_fd);
+ to_fd = -1;
+#endif
+ rc = strip(pThis, tempcopy ? tempfile : to_name);
+ if (rc)
+ goto l_done;
+
+ /*
+ * Re-open our fd on the target, in case we used a strip
+ * that does not work in-place -- like GNU binutils strip.
+ */
+#if !defined(__EMX__) && !defined(_MSC_VER)
+ close(to_fd);
+#endif
+ to_fd = open(tempcopy ? tempfile : to_name, O_RDONLY | O_BINARY | KMK_OPEN_NO_INHERIT, 0);
+ if (to_fd < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "stripping %s", to_name);
+ goto l_done;
+ }
+ }
+
+ /*
+ * Compare the stripped temp file with the target.
+ */
+ if (pThis->docompare && pThis->dostrip && target) {
+ temp_fd = to_fd;
+
+ /* Re-open to_fd using the real target name. */
+ if ((to_fd = open(to_name, O_RDONLY | O_BINARY | KMK_OPEN_NO_INHERIT, 0)) < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "%s", to_name);
+ goto l_done;
+ }
+
+ if (fstat(temp_fd, &temp_sb)) {
+ serrno = errno;
+ (void)unlink(tempfile);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "%s", tempfile);
+ goto l_done;
+ }
+
+ if (compare(temp_fd, (size_t)temp_sb.st_size,
+ to_fd, (size_t)to_sb.st_size) == 0) {
+ /*
+ * If target has more than one link we need to
+ * replace it in order to snap the extra links.
+ * Need to preserve target file times, though.
+ */
+#if !defined(_MSC_VER) && !defined(__EMX__)
+ if (to_sb.st_nlink != 1) {
+ tvb[0].tv_sec = to_sb.st_atime;
+ tvb[0].tv_usec = 0;
+ tvb[1].tv_sec = to_sb.st_mtime;
+ tvb[1].tv_usec = 0;
+ (void)utimes(tempfile, tvb);
+ } else
+#endif
+ {
+
+ files_match = 1;
+ (void)unlink(tempfile);
+ }
+ (void) close(temp_fd);
+ temp_fd = -1;
+ }
+ }
+
+ /*
+ * Move the new file into place if doing a safe copy
+ * and the files are different (or just not compared).
+ */
+ if (tempcopy && !files_match) {
+#ifdef UF_IMMUTABLE
+ /* Try to turn off the immutable bits. */
+ if (to_sb.st_flags & NOCHANGEBITS)
+ (void)chflags(to_name, to_sb.st_flags & ~NOCHANGEBITS);
+#endif
+ if (pThis->dobackup) {
+ if ( (size_t)snprintf(backup, MAXPATHLEN, "%s%s", to_name, pThis->suffix)
+ != strlen(to_name) + strlen(pThis->suffix)) {
+ unlink(tempfile);
+ rc = errx(pThis->pCtx, EX_OSERR, "%s: backup filename too long",
+ to_name);
+ goto l_done;
+ }
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: %s -> %s\n", to_name, backup);
+ if (rename(to_name, backup) < 0) {
+ serrno = errno;
+ unlink(tempfile);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "rename: %s to %s", to_name,
+ backup);
+ goto l_done;
+ }
+ }
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: %s -> %s\n", from_name, to_name);
+ if (rename(tempfile, to_name) < 0) {
+ serrno = errno;
+ unlink(tempfile);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "rename: %s to %s", tempfile, to_name);
+ goto l_done;
+ }
+
+ /* Re-open to_fd so we aren't hosed by the rename(2). */
+ (void) close(to_fd);
+ if ((to_fd = open(to_name, O_RDONLY | O_BINARY | KMK_OPEN_NO_INHERIT, 0)) < 0) {
+ rc = err(pThis->pCtx, EX_OSERR, "%s", to_name);
+ goto l_done;
+ }
+ }
+
+ /*
+ * Preserve the timestamp of the source file if necessary.
+ */
+ if (pThis->dopreserve && !files_match && !devnull) {
+ tvb[0].tv_sec = from_sb.st_atime;
+ tvb[0].tv_usec = 0;
+ tvb[1].tv_sec = from_sb.st_mtime;
+ tvb[1].tv_usec = 0;
+ (void)utimes(to_name, tvb);
+ }
+
+ if (fstat(to_fd, &to_sb) == -1) {
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "%s", to_name);
+ goto l_done;
+ }
+
+ /*
+ * Set owner, group, mode for target; do the chown first,
+ * chown may lose the setuid bits.
+ */
+#ifdef UF_IMMUTABLE
+ if ((pThis->gid != (gid_t)-1 && pThis->gid != to_sb.st_gid) ||
+ (pThis->uid != (uid_t)-1 && pThis->uid != to_sb.st_uid) ||
+ (pThis->mode != (to_sb.st_mode & ALLPERMS))) {
+ /* Try to turn off the immutable bits. */
+ if (to_sb.st_flags & NOCHANGEBITS)
+ (void)fchflags(to_fd, to_sb.st_flags & ~NOCHANGEBITS);
+ }
+#endif
+
+ if ((pThis->gid != (gid_t)-1 && pThis->gid != to_sb.st_gid) ||
+ (pThis->uid != (uid_t)-1 && pThis->uid != to_sb.st_uid))
+ if (fchown(to_fd, pThis->uid, pThis->gid) == -1) {
+ if (errno == EPERM && pThis->ignore_perm_errors) {
+ warn(pThis->pCtx, "%s: ignoring chown uid=%d gid=%d failure",
+ to_name, (int)pThis->uid, (int)pThis->gid);
+ } else {
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR,"%s: chown/chgrp", to_name);
+ goto l_done;
+ }
+ }
+
+ if (pThis->mode != (to_sb.st_mode & ALLPERMS))
+ if (fchmod(to_fd, pThis->mode)) {
+ serrno = errno;
+ if (serrno == EPERM && pThis->ignore_perm_errors) {
+ fchmod(to_fd, pThis->mode & (ALLPERMS & ~0007000));
+ errno = errno;
+ warn(pThis->pCtx, "%s: ignoring chmod 0%o failure", to_name, (int)(pThis->mode & ALLPERMS));
+ } else {
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "%s: chmod", to_name);
+ goto l_done;
+ }
+ }
+
+ /*
+ * If provided a set of flags, set them, otherwise, preserve the
+ * flags, except for the dump flag.
+ * NFS does not support flags. Ignore EOPNOTSUPP flags if we're just
+ * trying to turn off UF_NODUMP. If we're trying to set real flags,
+ * then warn if the the fs doesn't support it, otherwise fail.
+ */
+#ifdef UF_IMMUTABLE
+ if ( !devnull
+ && (flags & SETFLAGS || (from_sb.st_flags & ~UF_NODUMP) != to_sb.st_flags)
+ && fchflags(to_fd, flags & SETFLAGS ? fset : from_sb.st_flags & ~UF_NODUMP)) {
+ if (flags & SETFLAGS) {
+ if (errno == EOPNOTSUPP)
+ warn(pThis->pCtx, "%s: chflags", to_name);
+ else {
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ rc = err(pThis->pCtx, EX_OSERR, "%s: chflags", to_name);
+ goto l_done;
+ }
+ }
+ }
+#endif
+
+l_done:
+ if (to_fd >= 0)
+ (void)close(to_fd);
+ if (temp_fd >= 0)
+ (void)close(temp_fd);
+ if (from_fd >= 0 && !devnull)
+ (void)close(from_fd);
+ return rc;
+}
+
+/*
+ * compare --
+ * compare two files; non-zero means files differ
+ */
+static int
+compare(int from_fd, size_t from_len, int to_fd, size_t to_len)
+{
+ char buf1[MAXBSIZE];
+ char buf2[MAXBSIZE];
+ int n1, n2;
+ int rv;
+
+ if (from_len != to_len)
+ return 1;
+
+ if (from_len <= MAX_CMP_SIZE) {
+ rv = 0;
+ lseek(from_fd, 0, SEEK_SET);
+ lseek(to_fd, 0, SEEK_SET);
+ while (rv == 0) {
+ n1 = read(from_fd, buf1, sizeof(buf1));
+ if (n1 == 0)
+ break; /* EOF */
+ else if (n1 > 0) {
+ n2 = read(to_fd, buf2, n1);
+ if (n2 == n1)
+ rv = memcmp(buf1, buf2, n1);
+ else
+ rv = 1; /* out of sync */
+ } else
+ rv = 1; /* read failure */
+ }
+ lseek(from_fd, 0, SEEK_SET);
+ lseek(to_fd, 0, SEEK_SET);
+ } else
+ rv = 1; /* don't bother in this case */
+
+ return rv;
+}
+
+/*
+ * create_tempfile --
+ * create a temporary file based on path and open it
+ */
+int
+create_tempfile(const char *path, char *temp, size_t tsize)
+{
+ static char s_szTemplate[] = "INS@XXXXXX";
+ const char *p = last_slash(path);
+ if (p) {
+ size_t cchDir = ++p - path;
+ if (cchDir + sizeof(s_szTemplate) <= tsize) {
+ memcpy(temp, path, cchDir);
+ memcpy(&temp[cchDir], s_szTemplate, sizeof(s_szTemplate));
+ } else
+ return EOVERFLOW;
+ } else if (tsize >= sizeof(s_szTemplate))
+ memcpy(temp, s_szTemplate, sizeof(s_szTemplate));
+ else
+ return EOVERFLOW;
+
+ return (mkstemp(temp));
+}
+
+/*
+ * create_newfile --
+ * create a new file, overwriting an existing one if necessary
+ */
+int
+create_newfile(PINSTALLINSTANCE pThis, const char *path, int target, struct stat *sbp)
+{
+ char backup[MAXPATHLEN];
+ int saved_errno = 0;
+ int newfd;
+
+ if (target) {
+ /*
+ * Unlink now... avoid ETXTBSY errors later. Try to turn
+ * off the append/immutable bits -- if we fail, go ahead,
+ * it might work.
+ */
+#ifdef UF_IMMUTABLE
+ if (sbp->st_flags & NOCHANGEBITS)
+ (void)chflags(path, sbp->st_flags & ~NOCHANGEBITS);
+#endif
+
+ if (pThis->dobackup) {
+ if ( (size_t)snprintf(backup, MAXPATHLEN, "%s%s", path, pThis->suffix)
+ != strlen(path) + strlen(pThis->suffix)) {
+ errx(pThis->pCtx, EX_OSERR, "%s: backup filename too long", path);
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+ (void)snprintf(backup, MAXPATHLEN, "%s%s", path, pThis->suffix);
+ if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: %s -> %s\n", path, backup);
+ if (rename(path, backup) < 0) {
+ err(pThis->pCtx, EX_OSERR, "rename: %s to %s", path, backup);
+ return -1;
+ }
+ } else
+ if (unlink(path) < 0)
+ saved_errno = errno;
+ }
+
+ newfd = open(path, O_CREAT | O_RDWR | O_TRUNC | O_BINARY | KMK_OPEN_NO_INHERIT, S_IRUSR | S_IWUSR);
+ if (newfd < 0 && saved_errno != 0)
+ errno = saved_errno;
+ return newfd;
+}
+
+/*
+ * Write error handler.
+ */
+static int write_error(PINSTALLINSTANCE pThis, int *ptr_to_fd, const char *to_name, int nw)
+{
+ int serrno = errno;
+ (void)close(*ptr_to_fd);
+ *ptr_to_fd = -1;
+ (void)unlink(to_name);
+ errno = nw > 0 ? EIO : serrno;
+ return err(pThis->pCtx, EX_OSERR, "%s", to_name);
+}
+
+/*
+ * Read error handler.
+ */
+static int read_error(PINSTALLINSTANCE pThis, const char *from_name, int *ptr_to_fd, const char *to_name)
+{
+ int serrno = errno;
+ (void)close(*ptr_to_fd);
+ *ptr_to_fd = -1;
+ (void)unlink(to_name);
+ errno = serrno;
+ return err(pThis->pCtx, EX_OSERR, "%s", from_name);
+}
+
+/*
+ * copy --
+ * copy from one file to another
+ */
+static int
+copy(PINSTALLINSTANCE pThis, int from_fd, const char *from_name, int *ptr_to_fd, const char *to_name)
+{
+ KBOOL fPendingCr = K_FALSE;
+ KSIZE cchDst;
+ int nr, nw;
+ char buf[MAXBSIZE];
+ int to_fd = *ptr_to_fd;
+
+ /* Rewind file descriptors. */
+ if (lseek(from_fd, (off_t)0, SEEK_SET) == (off_t)-1)
+ return err(pThis->pCtx, EX_OSERR, "lseek: %s", from_name);
+ if (lseek(to_fd, (off_t)0, SEEK_SET) == (off_t)-1)
+ return err(pThis->pCtx, EX_OSERR, "lseek: %s", to_name);
+
+ if (pThis->dos2unix == 0) {
+ /*
+ * Copy bytes, no conversion.
+ */
+ while ((nr = read(from_fd, buf, sizeof(buf))) > 0)
+ if ((nw = write(to_fd, buf, nr)) != nr)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+ } else if (pThis->dos2unix > 0) {
+ /*
+ * CRLF -> LF is a reduction, so we can work with full buffers.
+ */
+ while ((nr = read(from_fd, buf, sizeof(buf))) > 0) {
+ if ( fPendingCr
+ && buf[0] != '\n'
+ && (nw = write(to_fd, "\r", 1)) != 1)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+
+ fPendingCr = dos2unix_convert_to_unix(buf, nr, buf, &cchDst);
+
+ nw = write(to_fd, buf, cchDst);
+ if (nw != (int)cchDst)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+ }
+ } else {
+ /*
+ * LF -> CRLF is an expansion, so we work with half buffers, reading
+ * into the upper half of the buffer and expanding into the full buffer.
+ * The conversion will never expand to more than the double size.
+ *
+ * Note! We do not convert valid CRLF line endings. This gives us
+ * valid DOS text, but no round-trip conversion.
+ */
+ char * const pchSrc = &buf[sizeof(buf) / 2];
+ while ((nr = read(from_fd, pchSrc, sizeof(buf) / 2)) > 0) {
+ if ( fPendingCr
+ && pchSrc[0] != '\n'
+ && (nw = write(to_fd, "\r", 1))!= 1)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+
+ fPendingCr = dos2unix_convert_to_dos(pchSrc, nr, buf, &cchDst);
+
+ nw = write(to_fd, buf, cchDst);
+ if (nw != (int)cchDst)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+ }
+ }
+
+ /* Check for read error. */
+ if (nr != 0)
+ return read_error(pThis, from_name, ptr_to_fd, to_name);
+
+ /* When converting, we might have a pending final CR to write. */
+ if ( fPendingCr
+ && (nw = write(to_fd, "\r", 1))!= 1)
+ return write_error(pThis, ptr_to_fd, to_name, nw);
+
+ return EX_OK;
+}
+
+/*
+ * strip --
+ * use strip(1) to strip the target file
+ */
+static int
+strip(PINSTALLINSTANCE pThis, const char *to_name)
+{
+#if defined(__EMX__) || defined(_MSC_VER)
+ const char *stripbin = getenv("STRIPBIN");
+ if (stripbin == NULL)
+ stripbin = "strip";
+ (void)pThis;
+ return spawnlp(P_WAIT, stripbin, stripbin, to_name, NULL);
+#else
+ const char *stripbin;
+ int serrno, status;
+ pid_t pid;
+
+ pid = fork();
+ switch (pid) {
+ case -1:
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ return err(pThis->pCtx, EX_TEMPFAIL, "fork");
+ case 0:
+ stripbin = getenv("STRIPBIN");
+ if (stripbin == NULL)
+ stripbin = "strip";
+ execlp(stripbin, stripbin, to_name, (char *)NULL);
+ err(pThis->pCtx, EX_OSERR, "exec(%s)", stripbin);
+ exit(EX_OSERR);
+ default:
+ if (waitpid(pid, &status, 0) == -1 || status) {
+ serrno = errno;
+ (void)unlink(to_name);
+ errno = serrno;
+ return err(pThis->pCtx, EX_SOFTWARE, "waitpid");
+ /* NOTREACHED */
+ }
+ }
+ return 0;
+#endif
+}
+
+/*
+ * install_dir --
+ * build directory heirarchy
+ */
+static int
+install_dir(PINSTALLINSTANCE pThis, char *path)
+{
+ char *p;
+ struct stat sb;
+ int ch;
+
+ for (p = path;; ++p)
+ if ( !*p
+ || ( p != path
+ && IS_SLASH(*p)
+#if defined(_MSC_VER) /* stat("C:") fails (VC++ v10). Just skip it since it's unnecessary. */
+ && (p - path != 2 || p[-1] != ':')
+#endif
+ )) {
+ ch = *p;
+ *p = '\0';
+ if (stat(path, &sb)) {
+ if (errno != ENOENT || mkdir(path, 0755) < 0) {
+ return err(pThis->pCtx, EX_OSERR, "mkdir %s", path);
+ /* NOTREACHED */
+ } else if (pThis->verbose)
+ kmk_builtin_ctx_printf(pThis->pCtx, 0, "install: mkdir %s\n", path);
+ } else if (!S_ISDIR(sb.st_mode))
+ return errx(pThis->pCtx, EX_OSERR, "%s exists but is not a directory", path);
+ if (!(*p = ch))
+ break;
+ }
+
+ if ((pThis->gid != (gid_t)-1 || pThis->uid != (uid_t)-1) && chown(path, pThis->uid, pThis->gid))
+ warn(pThis->pCtx, "chown %u:%u %s", pThis->uid, pThis->gid, path);
+ if (chmod(path, pThis->mode))
+ warn(pThis->pCtx, "chmod %o %s", pThis->mode, path);
+ return EX_OK;
+}
+
+/*
+ * usage --
+ * print a usage message and die
+ */
+static int
+usage(PKMKBUILTINCTX pCtx, int fIsErr)
+{
+ kmk_builtin_ctx_printf(pCtx, fIsErr,
+"usage: %s [-bCcpSsv] [--[no-]hard-link-files-when-possible]\n"
+" [--verbose-hard-link-refusal] [--verbose-hard-link-mode-mismatch]\n"
+" [--[no-]ignore-perm-errors] [-B suffix] [-f flags] [-g group]\n"
+" [-m mode] [-o owner] [--dos2unix|--unix2dos] file1 file2\n"
+" or: %s [-bCcpSsv] [--[no-]ignore-perm-errors] [-B suffix] [-f flags]\n"
+" [-g group] [-m mode] [-o owner] file1 ... fileN directory\n"
+" or: %s -d [-v] [-g group] [-m mode] [-o owner] directory ...\n"
+" or: %s --help\n"
+" or: %s --version\n",
+ pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName,
+ pCtx->pszProgName, pCtx->pszProgName);
+ return EX_USAGE;
+}
+
+/* figures out where the last slash or colon is. */
+static char *
+last_slash(const char *path)
+{
+#if defined(__WIN32__) || defined(__WIN64__) || defined(__OS2__)
+ char *p = (char *)strrchr(path, '/');
+ if (p)
+ {
+ char *p2 = strrchr(p, '\\');
+ if (p2)
+ p = p2;
+ }
+ else
+ {
+ p = (char *)strrchr(path, '\\');
+ if (!p && isalpha(path[0]) && path[1] == ':')
+ p = (char *)&path[1];
+ }
+ return p;
+#else
+ return strrchr(path, '/');
+#endif
+}
+
+/**
+ * Checks if @a pszFilename actually needs dos2unix conversion.
+ *
+ * @returns boolean.
+ * @param pszFilename The name of the file to check.
+ */
+static KBOOL needs_dos2unix_conversion(const char *pszFilename)
+{
+ KU32 fStyle = 0;
+ int iErr = dos2unix_analyze_file(pszFilename, &fStyle, NULL, NULL);
+ return iErr != 0
+ || (fStyle & (DOS2UNIX_STYLE_MASK | DOS2UNIX_F_BINARY)) != DOS2UNIX_STYLE_UNIX;
+}
+
+/**
+ * Checks if @a pszFilename actually needs unix2dos conversion.
+ *
+ * @returns boolean.
+ * @param pszFilename The name of the file to check.
+ */
+static KBOOL needs_unix2dos_conversion(const char *pszFilename)
+{
+ KU32 fStyle = 0;
+ int iErr = dos2unix_analyze_file(pszFilename, &fStyle, NULL, NULL);
+ return iErr != 0
+ || (fStyle & (DOS2UNIX_STYLE_MASK | DOS2UNIX_F_BINARY)) != DOS2UNIX_STYLE_DOS;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 04:24:28 +0000