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-rw-r--r--src/kmk/kmkbuiltin/chmod.c288
1 files changed, 288 insertions, 0 deletions
diff --git a/src/kmk/kmkbuiltin/chmod.c b/src/kmk/kmkbuiltin/chmod.c
new file mode 100644
index 0000000..0061924
--- /dev/null
+++ b/src/kmk/kmkbuiltin/chmod.c
@@ -0,0 +1,288 @@
+/*-
+ * Copyright (c) 1989, 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.
+ * 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
+#ifndef lint
+static char const copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94";
+#endif /* not lint */
+#endif
+/*#include <sys/cdefs.h> */
+/*__FBSDID("$FreeBSD: src/bin/chmod/chmod.c,v 1.33 2005/01/10 08:39:20 imp Exp $");*/
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#define FAKES_NO_GETOPT_H /* bird */
+#include "config.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "err.h"
+#include <errno.h>
+#include "fts.h"
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifndef _MSC_VER
+# include <unistd.h>
+#else
+# include "mscfakes.h"
+#endif
+#ifdef __sun__
+# include "solfakes.h"
+#endif
+#ifdef __HAIKU__
+# include "haikufakes.h"
+#endif
+#include "getopt_r.h"
+#include "kmkbuiltin.h"
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+static struct option long_options[] =
+{
+ { "help", no_argument, 0, 261 },
+ { "version", no_argument, 0, 262 },
+ { 0, 0, 0, 0 },
+};
+
+
+/*********************************************************************************************************************************
+* Internal Functions *
+*********************************************************************************************************************************/
+extern void * bsd_setmode(const char *p);
+extern mode_t bsd_getmode(const void *bbox, mode_t omode);
+extern void bsd_strmode(mode_t mode, char *p);
+
+#if (defined(__APPLE__) && !defined(_DARWIN_FEATURE_UNIX_CONFORMANCE)) || defined(__OpenBSD__)
+extern int lchmod(const char *, mode_t);
+#endif
+
+static int usage(PKMKBUILTINCTX pCtx, int is_err);
+
+
+int
+kmk_builtin_chmod(int argc, char *argv[], char **envp, PKMKBUILTINCTX pCtx)
+{
+ struct getopt_state_r gos;
+ FTS *ftsp;
+ FTSENT *p;
+ mode_t *set;
+ int Hflag, Lflag, Rflag, ch, fflag, fts_options, hflag, rval;
+ int vflag;
+ char *mode;
+ mode_t newmode;
+ int (*change_mode)(const char *, mode_t);
+
+ set = NULL;
+ Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
+
+ getopt_initialize_r(&gos, argc, argv, "HLPRXfghorstuvwx", long_options, envp, pCtx);
+ while ((ch = getopt_long_r(&gos, NULL)) != -1)
+ switch (ch) {
+ case 'H':
+ Hflag = 1;
+ Lflag = 0;
+ break;
+ case 'L':
+ Lflag = 1;
+ Hflag = 0;
+ break;
+ case 'P':
+ Hflag = Lflag = 0;
+ break;
+ case 'R':
+ Rflag = 1;
+ break;
+ case 'f':
+ fflag = 1;
+ break;
+ case 'h':
+ /*
+ * In System V (and probably POSIX.2) the -h option
+ * causes chmod to change the mode of the symbolic
+ * link. 4.4BSD's symbolic links didn't have modes,
+ * so it was an undocumented noop. In FreeBSD 3.0,
+ * lchmod(2) is introduced and this option does real
+ * work.
+ */
+ hflag = 1;
+ break;
+ /*
+ * XXX
+ * "-[rwx]" are valid mode commands. If they are the entire
+ * argument, getopt has moved past them, so decrement optind.
+ * Regardless, we're done argument processing.
+ */
+ case 'g': case 'o': case 'r': case 's':
+ case 't': case 'u': case 'w': case 'X': case 'x':
+ if (argv[gos.optind - 1][0] == '-' &&
+ argv[gos.optind - 1][1] == ch &&
+ argv[gos.optind - 1][2] == '\0')
+ --gos.optind;
+ goto done;
+ case 'v':
+ vflag++;
+ break;
+ case 261:
+ usage(pCtx, 0);
+ return 0;
+ case 262:
+ return kbuild_version(argv[0]);
+ case '?':
+ default:
+ return usage(pCtx, 1);
+ }
+done: argv += gos.optind;
+ argc -= gos.optind;
+
+ if (argc < 2)
+ return usage(pCtx, 1);
+
+ if (Rflag) {
+ fts_options = FTS_PHYSICAL;
+ if (hflag)
+ return errx(pCtx, 1,
+ "the -R and -h options may not be specified together.");
+ if (Hflag)
+ fts_options |= FTS_COMFOLLOW;
+ if (Lflag) {
+ fts_options &= ~FTS_PHYSICAL;
+ fts_options |= FTS_LOGICAL;
+ }
+ } else
+ fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL;
+#ifndef KMK_BUILTIN_STANDALONE
+ fts_options |= FTS_NOCHDIR; /* Don't change the CWD while inside kmk. */
+#endif
+
+ if (hflag)
+ change_mode = lchmod;
+ else
+ change_mode = chmod;
+
+ mode = *argv;
+ if ((set = bsd_setmode(mode)) == NULL)
+ return errx(pCtx, 1, "invalid file mode: %s", mode);
+
+ if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
+ return err(pCtx, 1, "fts_open");
+ for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
+ switch (p->fts_info) {
+ case FTS_D: /* Change it at FTS_DP. */
+ if (!Rflag)
+ fts_set(ftsp, p, FTS_SKIP);
+ continue;
+ case FTS_DNR: /* Warn, chmod, continue. */
+ warnx(pCtx, "fts: %s: %s", p->fts_path, strerror(p->fts_errno));
+ rval = 1;
+ break;
+ case FTS_ERR: /* Warn, continue. */
+ case FTS_NS:
+ warnx(pCtx, "fts: %s: %s", p->fts_path, strerror(p->fts_errno));
+ rval = 1;
+ continue;
+ case FTS_SL: /* Ignore. */
+ case FTS_SLNONE:
+ /*
+ * The only symlinks that end up here are ones that
+ * don't point to anything and ones that we found
+ * doing a physical walk.
+ */
+ if (!hflag)
+ continue;
+ /* else */
+ /* FALLTHROUGH */
+ default:
+ break;
+ }
+ newmode = bsd_getmode(set, p->fts_statp->st_mode);
+ if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
+ continue;
+ if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
+ warn(pCtx, "%schmod: %s", hflag ? "l" : "", p->fts_path);
+ rval = 1;
+ } else {
+ if (vflag) {
+ kmk_builtin_ctx_printf(pCtx, 0, "%s", p->fts_path);
+
+ if (vflag > 1) {
+ char m1[12], m2[12];
+
+ bsd_strmode(p->fts_statp->st_mode, m1);
+ bsd_strmode((p->fts_statp->st_mode &
+ S_IFMT) | newmode, m2);
+
+ kmk_builtin_ctx_printf(pCtx, 0, ": 0%o [%s] -> 0%o [%s]",
+ (unsigned int)p->fts_statp->st_mode, m1,
+ (unsigned int)((p->fts_statp->st_mode & S_IFMT) | newmode), m2);
+ }
+ kmk_builtin_ctx_printf(pCtx, 0, "\n");
+ }
+
+ }
+ }
+ if (errno)
+ rval = err(pCtx, 1, "fts_read");
+ free(set);
+ fts_close(ftsp);
+ return rval;
+}
+
+int
+usage(PKMKBUILTINCTX pCtx, int is_err)
+{
+ kmk_builtin_ctx_printf(pCtx, is_err,
+ "usage: %s [-fhv] [-R [-H | -L | -P]] mode file ...\n"
+ " or: %s --version\n"
+ " or: %s --help\n",
+ pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName);
+
+ return 1;
+}
+
+#ifdef KMK_BUILTIN_STANDALONE
+mode_t g_fUMask;
+int main(int argc, char **argv, char **envp)
+{
+ KMKBUILTINCTX Ctx = { "kmk_chmod", NULL };
+ umask(g_fUMask = umask(0077));
+ return kmk_builtin_chmod(argc, argv, envp, &Ctx);
+}
+#endif
+
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