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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2018-02-25 13:53:05 +0000
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2018-02-25 13:53:11 +0000
commit9d7518c2cb43f1fb1eb54495899945523fd5dc99 (patch)
tree57fcfe56162934f5f78b3b22920623546c8d126c /package/toolbox/src/mknod
parent30f5a076475d08daa882fa2e636a19200877aa33 (diff)
toolbox: add OpenADK toolbox for very small systems, thx Thorsten Glaser
Diffstat (limited to 'package/toolbox/src/mknod')
-rw-r--r--package/toolbox/src/mknod/Makefile6
-rw-r--r--package/toolbox/src/mknod/mknod.c190
-rw-r--r--package/toolbox/src/mknod/setmode.c462
3 files changed, 658 insertions, 0 deletions
diff --git a/package/toolbox/src/mknod/Makefile b/package/toolbox/src/mknod/Makefile
new file mode 100644
index 000000000..35956fad6
--- /dev/null
+++ b/package/toolbox/src/mknod/Makefile
@@ -0,0 +1,6 @@
+PROG= mknod
+SRCS= mknod.c setmode.c
+
+include ../tool.mk
+
+CPPFLAGS+= -D'__SCCSID(x)='
diff --git a/package/toolbox/src/mknod/mknod.c b/package/toolbox/src/mknod/mknod.c
new file mode 100644
index 000000000..f09dfe8c4
--- /dev/null
+++ b/package/toolbox/src/mknod/mknod.c
@@ -0,0 +1,190 @@
+/* $OpenBSD: mknod.c,v 1.13 2003/06/02 20:06:15 millert Exp $ */
+/* $NetBSD: mknod.c,v 1.8 1995/08/11 00:08:18 jtc Exp $ */
+
+/*
+ * Copyright (c) 1989, 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Kevin Fall.
+ *
+ * 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>
+__COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
+ The Regents of the University of California. All rights reserved.\n");
+__SCCSID("@(#)mknod.c 8.1 (Berkeley) 6/5/93");
+__RCSID("$MirOS: src/sbin/mknod/mknod.c,v 1.3 2016/01/02 21:33:04 tg Exp $");
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <locale.h>
+#include <err.h>
+
+extern char *__progname;
+
+int domknod(int, char **, mode_t);
+int domkfifo(int, char **, mode_t);
+void usage(int);
+
+extern mode_t getmode(const void *, mode_t);
+extern void *setmode(const char *);
+
+int
+main(int argc, char *argv[])
+{
+ int ch, ismkfifo = 0;
+ void *set = NULL;
+ mode_t mode = 0;
+
+ if (strcmp(__progname, "mkfifo") == 0)
+ ismkfifo = 1;
+
+ while ((ch = getopt(argc, argv, "m:")) != -1)
+ switch(ch) {
+ case 'm':
+ if (!(set = setmode(optarg))) {
+ errx(1, "invalid file mode.");
+ /* NOTREACHED */
+ }
+
+ /*
+ * In symbolic mode strings, the + and - operators are
+ * interpreted relative to an assumed initial mode of
+ * a=rw.
+ */
+ mode = getmode(set, DEFFILEMODE);
+ free(set);
+ break;
+ case '?':
+ default:
+ usage(ismkfifo);
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argv[0] == NULL)
+ usage(ismkfifo);
+ if (!ismkfifo) {
+ if (argc == 2 && argv[1][0] == 'p') {
+ ismkfifo = 2;
+ argc--;
+ argv[1] = NULL;
+ } else if (argc != 4) {
+ usage(ismkfifo);
+ /* NOTREACHED */
+ }
+ }
+
+ /*
+ * If the user specified a mode via `-m', don't allow the umask
+ * to modified it. If no `-m' flag was specified, the default
+ * mode is the value of the bitwise inclusive or of S_IRUSR,
+ * S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH as modified by
+ * the umask.
+ */
+ if (set)
+ (void)umask(0);
+ else
+ mode = DEFFILEMODE;
+
+ if (ismkfifo)
+ exit(domkfifo(argc, argv, mode));
+ else
+ exit(domknod(argc, argv, mode));
+}
+
+int
+domknod(int argc, char **argv, mode_t mode)
+{
+ dev_t dev;
+ char *endp;
+ u_int major, minor;
+
+ if (argv[1][0] == 'c')
+ mode |= S_IFCHR;
+ else if (argv[1][0] == 'b')
+ mode |= S_IFBLK;
+ else {
+ errx(1, "node must be type 'b' or 'c'.");
+ /* NOTREACHED */
+ }
+
+ major = (long)strtoul(argv[2], &endp, 0);
+ if (endp == argv[2] || *endp != '\0') {
+ errx(1, "non-numeric major number.");
+ /* NOTREACHED */
+ }
+ minor = (long)strtoul(argv[3], &endp, 0);
+ if (endp == argv[3] || *endp != '\0') {
+ errx(1, "non-numeric minor number.");
+ /* NOTREACHED */
+ }
+ dev = makedev(major, minor);
+ if (major(dev) != major || minor(dev) != minor) {
+ errx(1, "major or minor number too large");
+ /* NOTREACHED */
+ }
+ if (mknod(argv[0], mode, dev) < 0) {
+ err(1, "%s", argv[0]);
+ /* NOTREACHED */
+ }
+ return(0);
+}
+
+int
+domkfifo(int argc, char **argv, mode_t mode)
+{
+ int rv;
+
+ for (rv = 0; *argv; ++argv) {
+ if (mkfifo(*argv, mode) < 0) {
+ warn("%s", *argv);
+ rv = 1;
+ }
+ }
+ return(rv);
+}
+
+void
+usage(int ismkfifo)
+{
+
+ if (ismkfifo == 1)
+ (void)fprintf(stderr, "usage: %s [-m mode] fifoname ...\n",
+ __progname);
+ else {
+ (void)fprintf(stderr, "usage: %s [-m mode] name [b | c] major minor\n",
+ __progname);
+ (void)fprintf(stderr, "usage: %s [-m mode] name p\n",
+ __progname);
+ }
+ exit(1);
+}
diff --git a/package/toolbox/src/mknod/setmode.c b/package/toolbox/src/mknod/setmode.c
new file mode 100644
index 000000000..afef02d81
--- /dev/null
+++ b/package/toolbox/src/mknod/setmode.c
@@ -0,0 +1,462 @@
+/* $OpenBSD: setmode.c,v 1.17 2005/08/08 08:05:34 espie Exp $ */
+/* $NetBSD: setmode.c,v 1.15 1997/02/07 22:21:06 christos Exp $ */
+
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Dave Borman at Cray Research, 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/types.h>
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifdef SETMODE_DEBUG
+#include <stdio.h>
+#endif
+
+__SCCSID("@(#)setmode.c 8.2 (Berkeley) 3/25/94");
+__RCSID("$MirOS: src/lib/libc/gen/setmode.c,v 1.15 2010/10/08 17:57:00 tg Exp $");
+
+#define SET_LEN 6 /* initial # of bitcmd struct to malloc */
+#define SET_LEN_INCR 4 /* # of bitcmd structs to add as needed */
+
+#if !defined(S_ISTXT) && defined(S_ISVTX)
+#define S_ISTXT S_ISVTX
+#endif
+
+typedef struct bitcmd {
+ mode_t bits;
+ char cmd;
+ char cmd2;
+} BITCMD;
+
+#define CMD2_CLR 0x01
+#define CMD2_SET 0x02
+#define CMD2_GBITS 0x04
+#define CMD2_OBITS 0x08
+#define CMD2_UBITS 0x10
+
+static BITCMD *addcmd(BITCMD *, int, int, int, u_int);
+static void compress_mode(BITCMD *);
+#ifdef SETMODE_DEBUG
+static void dumpmode(BITCMD *);
+#endif
+
+/*
+ * Given the old mode and an array of bitcmd structures, apply the operations
+ * described in the bitcmd structures to the old mode, and return the new mode.
+ * Note that there is no '=' command; a strict assignment is just a '-' (clear
+ * bits) followed by a '+' (set bits).
+ */
+mode_t
+getmode(const void *bbox, mode_t omode)
+{
+ const BITCMD *set;
+ mode_t clrval, newmode, value;
+
+ set = (const BITCMD *)bbox;
+ newmode = omode;
+ for (value = 0;; set++)
+ switch(set->cmd) {
+ /*
+ * When copying the user, group or other bits around, we "know"
+ * where the bits are in the mode so that we can do shifts to
+ * copy them around. If we don't use shifts, it gets real
+ * grundgy with lots of single bit checks and bit sets.
+ */
+ case 'u':
+ value = (newmode & S_IRWXU) >> 6;
+ goto common;
+
+ case 'g':
+ value = (newmode & S_IRWXG) >> 3;
+ goto common;
+
+ case 'o':
+ value = newmode & S_IRWXO;
+ common:
+ if (set->cmd2 & CMD2_CLR) {
+ clrval =
+ (set->cmd2 & CMD2_SET) ? S_IRWXO : value;
+ if (set->cmd2 & CMD2_UBITS)
+ newmode &= ~((clrval<<6) & set->bits);
+ if (set->cmd2 & CMD2_GBITS)
+ newmode &= ~((clrval<<3) & set->bits);
+ if (set->cmd2 & CMD2_OBITS)
+ newmode &= ~(clrval & set->bits);
+ }
+ if (set->cmd2 & CMD2_SET) {
+ if (set->cmd2 & CMD2_UBITS)
+ newmode |= (value<<6) & set->bits;
+ if (set->cmd2 & CMD2_GBITS)
+ newmode |= (value<<3) & set->bits;
+ if (set->cmd2 & CMD2_OBITS)
+ newmode |= value & set->bits;
+ }
+ break;
+
+ case '+':
+ newmode |= set->bits;
+ break;
+
+ case '-':
+ newmode &= ~set->bits;
+ break;
+
+ case 'X':
+ if (omode & (S_IFDIR|S_IXUSR|S_IXGRP|S_IXOTH))
+ newmode |= set->bits;
+ break;
+
+ case '\0':
+ default:
+#ifdef SETMODE_DEBUG
+ (void)printf("getmode:%04o -> %04o\n", omode, newmode);
+#endif
+ return (newmode);
+ }
+}
+
+#define notoktomul(a, b) ((a) && (b) && (SIZE_MAX / (a) < (b)))
+
+#define ADDCMD(a, b, c, d) \
+ if (set >= endset) { \
+ BITCMD *newset; \
+ setlen += SET_LEN_INCR; \
+ if (notoktomul(setlen, sizeof(BITCMD)) || \
+ (newset = realloc(saveset, setlen * \
+ sizeof(BITCMD))) == NULL) { \
+ free(saveset); \
+ return (NULL); \
+ } \
+ set = newset + (set - saveset); \
+ saveset = newset; \
+ endset = newset + (setlen - 2); \
+ } \
+ set = addcmd(set, (a), (b), (c), (d))
+
+#define STANDARD_BITS (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
+
+void *
+setmode(const char *p)
+{
+ int perm, who;
+ char op, *ep;
+ BITCMD *set, *saveset, *endset;
+ sigset_t signset, sigoset;
+ mode_t mask;
+ int equalopdone = 0, permXbits, setlen;
+ u_long perml;
+
+ if (!*p)
+ return (NULL);
+
+ /*
+ * Get a copy of the mask for the permissions that are mask relative.
+ * Flip the bits, we want what's not set. Since it's possible that
+ * the caller is opening files inside a signal handler, protect them
+ * as best we can.
+ */
+ sigfillset(&signset);
+ (void)sigprocmask(SIG_BLOCK, &signset, &sigoset);
+ (void)umask(mask = umask(0));
+ mask = ~mask;
+ (void)sigprocmask(SIG_SETMASK, &sigoset, NULL);
+
+ setlen = SET_LEN + 2;
+
+ if (notoktomul(setlen, sizeof(BITCMD)) ||
+ (set = malloc(setlen * sizeof(BITCMD))) == NULL)
+ return (NULL);
+ saveset = set;
+ endset = set + (setlen - 2);
+
+ /*
+ * If an absolute number, get it and return; disallow non-octal digits
+ * or illegal bits.
+ */
+ if (isdigit((unsigned char)*p)) {
+ perml = strtoul(p, &ep, 8);
+ /* The test on perml will also catch overflow. */
+ if (*ep != '\0' || (perml & ~(STANDARD_BITS|S_ISTXT))) {
+ free(saveset);
+ errno = ERANGE;
+ return (NULL);
+ }
+ perm = (mode_t)perml;
+ ADDCMD('=', (STANDARD_BITS|S_ISTXT), perm, mask);
+ set->cmd = 0;
+ return (saveset);
+ }
+
+ /*
+ * Build list of structures to set/clear/copy bits as described by
+ * each clause of the symbolic mode.
+ */
+ for (;;) {
+ /* First, find out which bits might be modified. */
+ for (who = 0;; ++p) {
+ switch (*p) {
+ case 'a':
+ who |= STANDARD_BITS;
+ break;
+ case 'u':
+ who |= S_ISUID|S_IRWXU;
+ break;
+ case 'g':
+ who |= S_ISGID|S_IRWXG;
+ break;
+ case 'o':
+ who |= S_IRWXO;
+ break;
+ default:
+ goto getop;
+ }
+ }
+
+ getop:
+ if ((op = *p++) != '+' && op != '-' && op != '=') {
+ free(saveset);
+ return (NULL);
+ }
+ if (op == '=')
+ equalopdone = 0;
+
+ who &= ~S_ISTXT;
+ for (perm = 0, permXbits = 0;; ++p) {
+ switch (*p) {
+ case 'r':
+ perm |= S_IRUSR|S_IRGRP|S_IROTH;
+ break;
+ case 's':
+ /*
+ * If specific bits where requested and
+ * only "other" bits ignore set-id.
+ */
+ if (who == 0 || (who & ~S_IRWXO))
+ perm |= S_ISUID|S_ISGID;
+ break;
+ case 't':
+ /*
+ * If specific bits where requested and
+ * only "other" bits ignore sticky.
+ */
+ if (who == 0 || (who & ~S_IRWXO)) {
+ who |= S_ISTXT;
+ perm |= S_ISTXT;
+ }
+ break;
+ case 'w':
+ perm |= S_IWUSR|S_IWGRP|S_IWOTH;
+ break;
+ case 'X':
+ permXbits = S_IXUSR|S_IXGRP|S_IXOTH;
+ break;
+ case 'x':
+ perm |= S_IXUSR|S_IXGRP|S_IXOTH;
+ break;
+ case 'u':
+ case 'g':
+ case 'o':
+ /*
+ * When ever we hit 'u', 'g', or 'o', we have
+ * to flush out any partial mode that we have,
+ * and then do the copying of the mode bits.
+ */
+ if (perm) {
+ ADDCMD(op, who, perm, mask);
+ perm = 0;
+ }
+ if (op == '=')
+ equalopdone = 1;
+ if (op == '+' && permXbits) {
+ ADDCMD('X', who, permXbits, mask);
+ permXbits = 0;
+ }
+ ADDCMD(*p, who, op, mask);
+ break;
+
+ default:
+ /*
+ * Add any permissions that we haven't already
+ * done.
+ */
+ if (perm || (op == '=' && !equalopdone)) {
+ if (op == '=')
+ equalopdone = 1;
+ ADDCMD(op, who, perm, mask);
+ perm = 0;
+ }
+ if (permXbits) {
+ ADDCMD('X', who, permXbits, mask);
+ permXbits = 0;
+ }
+ goto apply;
+ }
+ }
+
+ apply:
+ if (!*p)
+ break;
+ if (*p != ',')
+ goto getop;
+ ++p;
+ }
+ set->cmd = 0;
+#ifdef SETMODE_DEBUG
+ (void)printf("Before compress_mode()\n");
+ dumpmode(saveset);
+#endif
+ compress_mode(saveset);
+#ifdef SETMODE_DEBUG
+ (void)printf("After compress_mode()\n");
+ dumpmode(saveset);
+#endif
+ return (saveset);
+}
+
+static BITCMD *
+addcmd(BITCMD *set, int op, int who, int oparg, u_int mask)
+{
+ switch (op) {
+ case '=':
+ set->cmd = '-';
+ set->bits = who ? who : STANDARD_BITS;
+ set++;
+
+ op = '+';
+ /* FALLTHROUGH */
+ case '+':
+ case '-':
+ case 'X':
+ set->cmd = op;
+ set->bits = (who ? who : (int)mask) & oparg;
+ break;
+
+ case 'u':
+ case 'g':
+ case 'o':
+ set->cmd = op;
+ if (who) {
+ set->cmd2 = ((who & S_IRUSR) ? CMD2_UBITS : 0) |
+ ((who & S_IRGRP) ? CMD2_GBITS : 0) |
+ ((who & S_IROTH) ? CMD2_OBITS : 0);
+ set->bits = (mode_t)~0;
+ } else {
+ set->cmd2 = CMD2_UBITS | CMD2_GBITS | CMD2_OBITS;
+ set->bits = mask;
+ }
+
+ if (oparg == '+')
+ set->cmd2 |= CMD2_SET;
+ else if (oparg == '-')
+ set->cmd2 |= CMD2_CLR;
+ else if (oparg == '=')
+ set->cmd2 |= CMD2_SET|CMD2_CLR;
+ break;
+ }
+ return (set + 1);
+}
+
+#ifdef SETMODE_DEBUG
+static void
+dumpmode(BITCMD *set)
+{
+ for (; set->cmd; ++set)
+ (void)printf("cmd: '%c' bits %04o%s%s%s%s%s%s\n",
+ set->cmd, set->bits, set->cmd2 ? " cmd2:" : "",
+ set->cmd2 & CMD2_CLR ? " CLR" : "",
+ set->cmd2 & CMD2_SET ? " SET" : "",
+ set->cmd2 & CMD2_UBITS ? " UBITS" : "",
+ set->cmd2 & CMD2_GBITS ? " GBITS" : "",
+ set->cmd2 & CMD2_OBITS ? " OBITS" : "");
+}
+#endif
+
+/*
+ * Given an array of bitcmd structures, compress by compacting consecutive
+ * '+', '-' and 'X' commands into at most 3 commands, one of each. The 'u',
+ * 'g' and 'o' commands continue to be separate. They could probably be
+ * compacted, but it's not worth the effort.
+ */
+static void
+compress_mode(BITCMD *set)
+{
+ BITCMD *nset;
+ int setbits, clrbits, Xbits, op;
+
+ for (nset = set;;) {
+ /* Copy over any 'u', 'g' and 'o' commands. */
+ while ((op = nset->cmd) != '+' && op != '-' && op != 'X') {
+ *set++ = *nset++;
+ if (!op)
+ return;
+ }
+
+ for (setbits = clrbits = Xbits = 0;; nset++) {
+ if ((op = nset->cmd) == '-') {
+ clrbits |= nset->bits;
+ setbits &= ~nset->bits;
+ Xbits &= ~nset->bits;
+ } else if (op == '+') {
+ setbits |= nset->bits;
+ clrbits &= ~nset->bits;
+ Xbits &= ~nset->bits;
+ } else if (op == 'X')
+ Xbits |= nset->bits & ~setbits;
+ else
+ break;
+ }
+ if (clrbits) {
+ set->cmd = '-';
+ set->cmd2 = 0;
+ set->bits = clrbits;
+ set++;
+ }
+ if (setbits) {
+ set->cmd = '+';
+ set->cmd2 = 0;
+ set->bits = setbits;
+ set++;
+ }
+ if (Xbits) {
+ set->cmd = 'X';
+ set->cmd2 = 0;
+ set->bits = Xbits;
+ set++;
+ }
+ }
+}