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-rw-r--r--busybox/applets/Makefile32
-rw-r--r--busybox/applets/Makefile.in37
-rw-r--r--busybox/applets/applets.c512
-rw-r--r--busybox/applets/busybox.c193
-rwxr-xr-xbusybox/applets/busybox.mkll24
-rwxr-xr-xbusybox/applets/install.sh52
6 files changed, 850 insertions, 0 deletions
diff --git a/busybox/applets/Makefile b/busybox/applets/Makefile
new file mode 100644
index 0000000..b566e4d
--- /dev/null
+++ b/busybox/applets/Makefile
@@ -0,0 +1,32 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+top_srcdir=..
+top_builddir=..
+srcdir=$(top_srcdir)/applets
+APPLETS_DIR:=./
+include $(top_builddir)/Rules.mak
+include $(top_builddir)/.config
+include $(srcdir)/Makefile.in
+all: $(libraries-y)
+-include $(top_builddir).depend
+
+clean:
+ rm -f *.o *.a $(AR_TARGET)
+
diff --git a/busybox/applets/Makefile.in b/busybox/applets/Makefile.in
new file mode 100644
index 0000000..e31bb6f
--- /dev/null
+++ b/busybox/applets/Makefile.in
@@ -0,0 +1,37 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+APPLETS_AR:=applets.a
+ifndef $(APPLETS_DIR)
+APPLETS_DIR:=$(top_builddir)/applets/
+endif
+srcdir=$(top_srcdir)/applets
+
+APPLET_SRC:=applets.c busybox.c
+APPLET_OBJ:= $(patsubst %.c,$(APPLETS_DIR)%.o, $(APPLET_SRC))
+
+libraries-y+=$(APPLETS_DIR)$(APPLETS_AR)
+
+$(APPLETS_DIR)$(APPLETS_AR): $(APPLET_OBJ)
+ $(AR) -ro $@ $(APPLET_OBJ)
+
+$(APPLET_OBJ): $(top_builddir)/.config
+$(APPLET_OBJ): $(APPLETS_DIR)%.o: $(srcdir)/%.c
+ $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
+
diff --git a/busybox/applets/applets.c b/busybox/applets/applets.c
new file mode 100644
index 0000000..9db16b4
--- /dev/null
+++ b/busybox/applets/applets.c
@@ -0,0 +1,512 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks. Tracking down who wrote what
+ * isn't something I'm going to worry about... If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "busybox.h"
+
+const char usage_messages[] =
+
+#define MAKE_USAGE
+#include "usage.h"
+
+#include "applets.h"
+
+;
+
+#undef MAKE_USAGE
+#undef APPLET
+#undef APPLET_NOUSAGE
+#undef PROTOTYPES
+#include "applets.h"
+
+
+static struct BB_applet *applet_using;
+
+/* The -1 arises because of the {0,NULL,0,-1} entry above. */
+const size_t NUM_APPLETS = (sizeof (applets) / sizeof (struct BB_applet) - 1);
+
+
+#ifdef CONFIG_FEATURE_SUID
+
+static void check_suid (struct BB_applet *app);
+
+#ifdef CONFIG_FEATURE_SUID_CONFIG
+
+#include <sys/stat.h>
+#include <ctype.h>
+#include "pwd_.h"
+#include "grp_.h"
+
+static void parse_config_file (void);
+
+#define CONFIG_FILE "/etc/busybox.conf"
+
+/* applets [] is const, so we have to define this "override" structure */
+struct BB_suid_config
+{
+ struct BB_applet *m_applet;
+
+ uid_t m_uid;
+ gid_t m_gid;
+ mode_t m_mode;
+
+ struct BB_suid_config *m_next;
+};
+
+static struct BB_suid_config *suid_config;
+static int suid_cfg_readable;
+
+#endif /* CONFIG_FEATURE_SUID_CONFIG */
+
+#endif /* CONFIG_FEATURE_SUID */
+
+
+
+extern void
+bb_show_usage (void)
+{
+ const char *format_string;
+ const char *usage_string = usage_messages;
+ int i;
+
+ for (i = applet_using - applets; i > 0;) {
+ if (!*usage_string++) {
+ --i;
+ }
+ }
+
+ format_string = "%s\n\nUsage: %s %s\n\n";
+ if (*usage_string == '\b')
+ format_string = "%s\n\nNo help available.\n\n";
+ fprintf (stderr, format_string, bb_msg_full_version, applet_using->name,
+ usage_string);
+
+ exit (EXIT_FAILURE);
+}
+
+static int
+applet_name_compare (const void *x, const void *y)
+{
+ const char *name = x;
+ const struct BB_applet *applet = y;
+
+ return strcmp (name, applet->name);
+}
+
+extern const size_t NUM_APPLETS;
+
+struct BB_applet *
+find_applet_by_name (const char *name)
+{
+ return bsearch (name, applets, NUM_APPLETS, sizeof (struct BB_applet),
+ applet_name_compare);
+}
+
+void
+run_applet_by_name (const char *name, int argc, char **argv)
+{
+ static int recurse_level = 0;
+ extern int been_there_done_that; /* From busybox.c */
+
+#ifdef CONFIG_FEATURE_SUID_CONFIG
+ if (recurse_level == 0)
+ parse_config_file ();
+#endif
+
+ recurse_level++;
+ /* Do a binary search to find the applet entry given the name. */
+ if ((applet_using = find_applet_by_name (name)) != NULL) {
+ bb_applet_name = applet_using->name;
+ if (argv[1] && strcmp (argv[1], "--help") == 0) {
+ if (strcmp (applet_using->name, "busybox") == 0) {
+ if (argv[2])
+ applet_using = find_applet_by_name (argv[2]);
+ else
+ applet_using = NULL;
+ }
+ if (applet_using)
+ bb_show_usage ();
+ been_there_done_that = 1;
+ busybox_main (0, NULL);
+ }
+#ifdef CONFIG_FEATURE_SUID
+ check_suid (applet_using);
+#endif
+
+ exit ((*(applet_using->main)) (argc, argv));
+ }
+ /* Just in case they have renamed busybox - Check argv[1] */
+ if (recurse_level == 1) {
+ run_applet_by_name ("busybox", argc, argv);
+ }
+ recurse_level--;
+}
+
+
+#ifdef CONFIG_FEATURE_SUID
+
+#ifdef CONFIG_FEATURE_SUID_CONFIG
+
+/* check if u is member of group g */
+static int
+ingroup (uid_t u, gid_t g)
+{
+ struct group *grp = getgrgid (g);
+
+ if (grp) {
+ char **mem;
+
+ for (mem = grp->gr_mem; *mem; mem++) {
+ struct passwd *pwd = getpwnam (*mem);
+
+ if (pwd && (pwd->pw_uid == u))
+ return 1;
+ }
+ }
+ return 0;
+}
+
+#endif
+
+
+void
+check_suid (struct BB_applet *applet)
+{
+ uid_t ruid = getuid (); /* real [ug]id */
+ uid_t rgid = getgid ();
+
+#ifdef CONFIG_FEATURE_SUID_CONFIG
+ if (suid_cfg_readable) {
+ struct BB_suid_config *sct;
+
+ for (sct = suid_config; sct; sct = sct->m_next) {
+ if (sct->m_applet == applet)
+ break;
+ }
+ if (sct) {
+ mode_t m = sct->m_mode;
+
+ if (sct->m_uid == ruid) /* same uid */
+ m >>= 6;
+ else if ((sct->m_gid == rgid) || ingroup (ruid, sct->m_gid)) /* same group / in group */
+ m >>= 3;
+
+ if (!(m & S_IXOTH)) /* is x bit not set ? */
+ bb_error_msg_and_die ("You have no permission to run this applet!");
+
+ if ((sct->m_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) { /* *both* have to be set for sgid */
+ if (setegid (sct->m_gid))
+ bb_error_msg_and_die
+ ("BusyBox binary has insufficient rights to set proper GID for applet!");
+ } else
+ setgid (rgid); /* no sgid -> drop */
+
+ if (sct->m_mode & S_ISUID) {
+ if (seteuid (sct->m_uid))
+ bb_error_msg_and_die
+ ("BusyBox binary has insufficient rights to set proper UID for applet!");
+ } else
+ setuid (ruid); /* no suid -> drop */
+ } else {
+ /* default: drop all priviledges */
+ setgid (rgid);
+ setuid (ruid);
+ }
+ return;
+ } else {
+#ifndef CONFIG_FEATURE_SUID_CONFIG_QUIET
+ static int onetime = 0;
+
+ if (!onetime) {
+ onetime = 1;
+ fprintf (stderr, "Using fallback suid method\n");
+ }
+#endif
+ }
+#endif
+
+ if (applet->need_suid == _BB_SUID_ALWAYS) {
+ if (geteuid () != 0)
+ bb_error_msg_and_die ("This applet requires root priviledges!");
+ } else if (applet->need_suid == _BB_SUID_NEVER) {
+ setgid (rgid); /* drop all priviledges */
+ setuid (ruid);
+ }
+}
+
+#ifdef CONFIG_FEATURE_SUID_CONFIG
+
+/* This should probably be a libbb routine. In that case,
+ * I'd probably rename it to something like bb_trimmed_slice.
+ */
+static char *get_trimmed_slice(char *s, char *e)
+{
+ /* First, consider the value at e to be nul and back up until we
+ * reach a non-space char. Set the char after that (possibly at
+ * the original e) to nul. */
+ while (e-- > s) {
+ if (!isspace(*e)) {
+ break;
+ }
+ }
+ e[1] = 0;
+
+ /* Next, advance past all leading space and return a ptr to the
+ * first non-space char; possibly the terminating nul. */
+ return (char *) bb_skip_whitespace(s);
+}
+
+
+#define parse_error(x) { err=x; goto pe_label; }
+
+/* Don't depend on the tools to combine strings. */
+static const char config_file[] = CONFIG_FILE;
+
+/* There are 4 chars + 1 nul for each of user/group/other. */
+static const char mode_chars[] = "Ssx-\0Ssx-\0Ttx-";
+
+/* We don't supply a value for the nul, so an index adjustment is
+ * necessary below. Also, we use unsigned short here to save some
+ * space even though these are really mode_t values. */
+static const unsigned short mode_mask[] = {
+ /* SST sst xxx --- */
+ S_ISUID, S_ISUID|S_IXUSR, S_IXUSR, 0, /* user */
+ S_ISGID, S_ISGID|S_IXGRP, S_IXGRP, 0, /* group */
+ 0, S_IXOTH, S_IXOTH, 0 /* other */
+};
+
+static void parse_config_file(void)
+{
+ struct BB_suid_config *sct_head;
+ struct BB_suid_config *sct;
+ struct BB_applet *applet;
+ FILE *f;
+ char *err;
+ char *s;
+ char *e;
+ int i, lc, section;
+ char buffer[256];
+ struct stat st;
+
+ assert(!suid_config); /* Should be set to NULL by bss init. */
+
+ if ((stat(config_file, &st) != 0) /* No config file? */
+ || !S_ISREG(st.st_mode) /* Not a regular file? */
+ || (st.st_uid != 0) /* Not owned by root? */
+ || (st.st_mode & (S_IWGRP | S_IWOTH)) /* Writable by non-root? */
+ || !(f = fopen(config_file, "r")) /* Can not open? */
+ ) {
+ return;
+ }
+
+ suid_cfg_readable = 1;
+ sct_head = NULL;
+ section = lc = 0;
+
+ do {
+ s = buffer;
+
+ if (!fgets(s, sizeof(buffer), f)) { /* Are we done? */
+ if (ferror(f)) { /* Make sure it wasn't a read error. */
+ parse_error("reading");
+ }
+ fclose(f);
+ suid_config = sct_head; /* Success, so set the pointer. */
+ return;
+ }
+
+ lc++; /* Got a (partial) line. */
+
+ /* If a line is too long for our buffer, we consider it an error.
+ * The following test does mistreat one corner case though.
+ * If the final line of the file does not end with a newline and
+ * yet exactly fills the buffer, it will be treated as too long
+ * even though there isn't really a problem. But it isn't really
+ * worth adding code to deal with such an unlikely situation, and
+ * we do err on the side of caution. Besides, the line would be
+ * too long if it did end with a newline. */
+ if (!strchr(s, '\n') && !feof(f)) {
+ parse_error("line too long");
+ }
+
+ /* Trim leading and trailing whitespace, ignoring comments, and
+ * check if the resulting string is empty. */
+ if (!*(s = get_trimmed_slice(s, strchrnul(s, '#')))) {
+ continue;
+ }
+
+ /* Check for a section header. */
+
+ if (*s == '[') {
+ /* Unlike the old code, we ignore leading and trailing
+ * whitespace for the section name. We also require that
+ * there are no stray characters after the closing bracket. */
+ if (!(e = strchr(s, ']')) /* Missing right bracket? */
+ || e[1] /* Trailing characters? */
+ || !*(s = get_trimmed_slice(s+1, e)) /* Missing name? */
+ ) {
+ parse_error("section header");
+ }
+ /* Right now we only have one section so just check it.
+ * If more sections are added in the future, please don't
+ * resort to cascading ifs with multiple strcasecmp calls.
+ * That kind of bloated code is all too common. A loop
+ * and a string table would be a better choice unless the
+ * number of sections is very small. */
+ if (strcasecmp(s, "SUID") == 0) {
+ section = 1;
+ continue;
+ }
+ section = -1; /* Unknown section so set to skip. */
+ continue;
+ }
+
+ /* Process sections. */
+
+ if (section == 1) { /* SUID */
+ /* Since we trimmed leading and trailing space above, we're
+ * now looking for strings of the form
+ * <key>[::space::]*=[::space::]*<value>
+ * where both key and value could contain inner whitespace. */
+
+ /* First get the key (an applet name in our case). */
+ if (!!(e = strchr(s, '='))) {
+ s = get_trimmed_slice(s, e);
+ }
+ if (!e || !*s) { /* Missing '=' or empty key. */
+ parse_error("keyword");
+ }
+
+ /* Ok, we have an applet name. Process the rhs if this
+ * applet is currently built in and ignore it otherwise.
+ * Note: This can hide config file bugs which only pop
+ * up when the busybox configuration is changed. */
+ if ((applet = find_applet_by_name(s))) {
+ /* Note: We currently don't check for duplicates!
+ * The last config line for each applet will be the
+ * one used since we insert at the head of the list.
+ * I suppose this could be considered a feature. */
+ sct = xmalloc(sizeof(struct BB_suid_config));
+ sct->m_applet = applet;
+ sct->m_mode = 0;
+ sct->m_next = sct_head;
+ sct_head = sct;
+
+ /* Get the specified mode. */
+
+ e = (char *) bb_skip_whitespace(e+1);
+
+ for (i=0 ; i < 3 ; i++) {
+ const char *q;
+ if (!*(q = strchrnul(mode_chars + 5*i, *e++))) {
+ parse_error("mode");
+ }
+ /* Adjust by -i to account for nul. */
+ sct->m_mode |= mode_mask[(q - mode_chars) - i];
+ }
+
+ /* Now get the the user/group info. */
+
+ s = (char *) bb_skip_whitespace(e);
+
+ /* Note: We require whitespace between the mode and the
+ * user/group info. */
+ if ((s == e) || !(e = strchr(s, '.'))) {
+ parse_error("<uid>.<gid>");
+ }
+ *e++ = 0;
+
+ /* We can't use get_ug_id here since it would exit()
+ * if a uid or gid was not found. Oh well... */
+ {
+ char *e2;
+
+ sct->m_uid = strtoul(s, &e2, 10);
+ if (*e2 || (s == e2)) {
+ struct passwd *pwd;
+ if (!(pwd = getpwnam(s))) {
+ parse_error("user");
+ }
+ sct->m_uid = pwd->pw_uid;
+ }
+
+ sct->m_gid = strtoul(e, &e2, 10);
+ if (*e2 || (e == e2)) {
+ struct group *grp;
+ if (!(grp = getgrnam(e))) {
+ parse_error("group");
+ }
+ sct->m_gid = grp->gr_gid;
+ }
+ }
+ }
+ continue;
+ }
+
+ /* Unknown sections are ignored. */
+
+ /* Encountering configuration lines prior to seeing a
+ * section header is treated as an error. This is how
+ * the old code worked, but it may not be desirable.
+ * We may want to simply ignore such lines in case they
+ * are used in some future version of busybox. */
+ if (!section) {
+ parse_error("keyword outside section");
+ }
+
+ } while (1);
+
+ pe_label:
+ fprintf(stderr, "Parse error in %s, line %d: %s\n",
+ config_file, lc, err);
+
+ fclose(f);
+ /* Release any allocated memory before returning. */
+ while (sct_head) {
+ sct = sct_head->m_next;
+ free(sct_head);
+ sct_head = sct;
+ }
+ return;
+}
+
+#endif
+
+#endif
+
+/* END CODE */
+/*
+ Local Variables:
+ c-file-style: "linux"
+ c-basic-offset: 4
+ tab-width: 4
+End:
+*/
diff --git a/busybox/applets/busybox.c b/busybox/applets/busybox.c
new file mode 100644
index 0000000..dbb5e17
--- /dev/null
+++ b/busybox/applets/busybox.c
@@ -0,0 +1,193 @@
+/* vi: set sw=4 ts=4: */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include "busybox.h"
+#ifdef CONFIG_LOCALE_SUPPORT
+#include <locale.h>
+#endif
+
+int been_there_done_that = 0; /* Also used in applets.c */
+const char *bb_applet_name;
+
+#ifdef CONFIG_FEATURE_INSTALLER
+/*
+ * directory table
+ * this should be consistent w/ the enum, busybox.h::Location,
+ * or else...
+ */
+static const char usr_bin [] ="/usr/bin";
+static const char usr_sbin[] ="/usr/sbin";
+
+static const char* const install_dir[] = {
+ &usr_bin [8], /* "", equivalent to "/" for concat_path_file() */
+ &usr_bin [4], /* "/bin" */
+ &usr_sbin[4], /* "/sbin" */
+ usr_bin,
+ usr_sbin
+};
+
+/* abstract link() */
+typedef int (*__link_f)(const char *, const char *);
+
+/*
+ * Where in the filesystem is this busybox?
+ * [return]
+ * malloc'd string w/ full pathname of busybox's location
+ * NULL on failure
+ */
+static inline char *busybox_fullpath(void)
+{
+ return xreadlink("/proc/self/exe");
+}
+
+/* create (sym)links for each applet */
+static void install_links(const char *busybox, int use_symbolic_links)
+{
+ __link_f Link = link;
+
+ char *fpc;
+ int i;
+ int rc;
+
+ if (use_symbolic_links)
+ Link = symlink;
+
+ for (i = 0; applets[i].name != NULL; i++) {
+ fpc = concat_path_file(
+ install_dir[applets[i].location], applets[i].name);
+ rc = Link(busybox, fpc);
+ if (rc!=0 && errno!=EEXIST) {
+ bb_perror_msg("%s", fpc);
+ }
+ free(fpc);
+ }
+}
+
+#endif /* CONFIG_FEATURE_INSTALLER */
+
+int main(int argc, char **argv)
+{
+ const char *s;
+
+ bb_applet_name = argv[0];
+
+ if (bb_applet_name[0] == '-')
+ bb_applet_name++;
+
+ for (s = bb_applet_name; *s != '\0';) {
+ if (*s++ == '/')
+ bb_applet_name = s;
+ }
+
+#ifdef CONFIG_LOCALE_SUPPORT
+#ifdef CONFIG_INIT
+ if(getpid()!=1) /* Do not set locale for `init' */
+#endif
+ {
+ setlocale(LC_ALL, "");
+ }
+#endif
+
+ run_applet_by_name(bb_applet_name, argc, argv);
+ bb_error_msg_and_die("applet not found");
+}
+
+
+int busybox_main(int argc, char **argv)
+{
+ int col = 0, len, i;
+
+#ifdef CONFIG_FEATURE_INSTALLER
+ /*
+ * This style of argument parsing doesn't scale well
+ * in the event that busybox starts wanting more --options.
+ * If someone has a cleaner approach, by all means implement it.
+ */
+ if (argc > 1 && (strcmp(argv[1], "--install") == 0)) {
+ int use_symbolic_links = 0;
+ int rc = 0;
+ char *busybox;
+
+ /* to use symlinks, or not to use symlinks... */
+ if (argc > 2) {
+ if ((strcmp(argv[2], "-s") == 0)) {
+ use_symbolic_links = 1;
+ }
+ }
+
+ /* link */
+ busybox = busybox_fullpath();
+ if (busybox) {
+ install_links(busybox, use_symbolic_links);
+ free(busybox);
+ } else {
+ rc = 1;
+ }
+ return rc;
+ }
+#endif /* CONFIG_FEATURE_INSTALLER */
+
+ argc--;
+
+ /* If we've already been here once, exit now */
+ if (been_there_done_that == 1 || argc < 1) {
+ const struct BB_applet *a = applets;
+ int output_width = 60;
+
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+ /* Obtain the terminal width. */
+ get_terminal_width_height(0, &output_width, NULL);
+ /* leading tab and room to wrap */
+ output_width -= 20;
+#endif
+
+ fprintf(stderr, "%s\n\n"
+ "Usage: busybox [function] [arguments]...\n"
+ " or: [function] [arguments]...\n\n"
+ "\tBusyBox is a multi-call binary that combines many common Unix\n"
+ "\tutilities into a single executable. Most people will create a\n"
+ "\tlink to busybox for each function they wish to use, and BusyBox\n"
+ "\twill act like whatever it was invoked as.\n"
+ "\nCurrently defined functions:\n", bb_msg_full_version);
+
+ while (a->name != 0) {
+ col +=
+ fprintf(stderr, "%s%s", ((col == 0) ? "\t" : ", "),
+ (a++)->name);
+ if (col > output_width && a->name != 0) {
+ fprintf(stderr, ",\n");
+ col = 0;
+ }
+ }
+ fprintf(stderr, "\n\n");
+ exit(0);
+ }
+
+ /* Flag that we've been here already */
+ been_there_done_that = 1;
+
+ /* Move the command line down a notch */
+ /* Preserve pointers so setproctitle() works consistently */
+ len = argv[argc] + strlen(argv[argc]) - argv[1];
+ memmove(argv[0], argv[1], len);
+ memset(argv[0] + len, 0, argv[1] - argv[0]);
+
+ /* Fix up the argv pointers */
+ len = argv[1] - argv[0];
+ memmove(argv, argv + 1, sizeof(char *) * (argc + 1));
+ for (i = 0; i < argc; i++)
+ argv[i] -= len;
+
+ return (main(argc, argv));
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/busybox/applets/busybox.mkll b/busybox/applets/busybox.mkll
new file mode 100755
index 0000000..5b6677d
--- /dev/null
+++ b/busybox/applets/busybox.mkll
@@ -0,0 +1,24 @@
+#!/bin/sh
+# Make busybox links list file.
+
+# input $1: full path to Config.h
+# input $2: full path to applets.h
+# output (stdout): list of pathnames that should be linked to busybox
+
+# Maintainer: Larry Doolittle <ldoolitt@recycle.lbl.gov>
+
+export LC_ALL=POSIX
+export LC_CTYPE=POSIX
+
+CONFIG_H=${1:-include/config.h}
+APPLETS_H=${2:-include/applets.h}
+gcc -E -DMAKE_LINKS -include $CONFIG_H $APPLETS_H |
+ awk '/^[ \t]*LINK/{
+ dir=substr($2,8)
+ gsub("_","/",dir)
+ if(dir=="/ROOT") dir=""
+ file=$3
+ gsub("\"","",file)
+ if (file=="busybox") next
+ print tolower(dir) "/" file
+ }'
diff --git a/busybox/applets/install.sh b/busybox/applets/install.sh
new file mode 100755
index 0000000..d163a2e
--- /dev/null
+++ b/busybox/applets/install.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+export LC_ALL=POSIX
+export LC_CTYPE=POSIX
+
+prefix=$1
+if [ "$prefix" = "" ]; then
+ echo "No installation directory, aborting."
+ exit 1;
+fi
+if [ "$2" = "--hardlinks" ]; then
+ linkopts="-f"
+else
+ linkopts="-fs"
+fi
+h=`sort busybox.links | uniq`
+
+
+rm -f $prefix/bin/busybox || exit 1
+mkdir -p $prefix/bin || exit 1
+install -m 755 busybox $prefix/bin/busybox || exit 1
+
+for i in $h ; do
+ appdir=`dirname $i`
+ mkdir -p $prefix/$appdir || exit 1
+ if [ "$2" = "--hardlinks" ]; then
+ bb_path="$prefix/bin/busybox"
+ else
+ case "$appdir" in
+ /)
+ bb_path="bin/busybox"
+ ;;
+ /bin)
+ bb_path="busybox"
+ ;;
+ /sbin)
+ bb_path="../bin/busybox"
+ ;;
+ /usr/bin|/usr/sbin)
+ bb_path="../../bin/busybox"
+ ;;
+ *)
+ echo "Unknown installation directory: $appdir"
+ exit 1
+ ;;
+ esac
+ fi
+ echo " $prefix$i -> $bb_path"
+ ln $linkopts $bb_path $prefix$i || exit 1
+done
+
+exit 0