From 5a951e0f39d1cb4302490f38245fc0564815a9a7 Mon Sep 17 00:00:00 2001
From: bug1 <bug1@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Mon, 11 Nov 2002 06:21:00 +0000
Subject: Move awk from textutils to editors. Cleanup run-parts, saves 200
bytes, moves the guts of run_parts to libbb to be used by ifupdown.
git-svn-id: svn://busybox.net/trunk/busybox@5909 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
libbb/Makefile.in | 4 +-
libbb/run_parts.c | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 141 insertions(+), 2 deletions(-)
create mode 100644 libbb/run_parts.c
(limited to 'libbb')
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 6703cf1f7..e00fd2f51 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -34,8 +34,8 @@ LIBBB_SRC:= \
my_getgrgid.c my_getpwnam.c my_getpwnamegid.c my_getpwuid.c \
parse_mode.c parse_number.c perror_msg.c perror_msg_and_die.c \
print_file.c process_escape_sequence.c read_package_field.c \
- recursive_action.c safe_read.c safe_strncpy.c syscalls.c \
- syslog_msg_with_name.c time_string.c trim.c \
+ recursive_action.c run_parts.c safe_read.c safe_strncpy.c \
+ syscalls.c syslog_msg_with_name.c time_string.c trim.c \
vdprintf.c verror_msg.c vperror_msg.c wfopen.c xgetcwd.c xreadlink.c \
xregcomp.c interface.c remove_file.c last_char_is.c copyfd.c \
vherror_msg.c herror_msg.c herror_msg_and_die.c xgethostbyname.c \
diff --git a/libbb/run_parts.c b/libbb/run_parts.c
new file mode 100644
index 000000000..bf906a399
--- /dev/null
+++ b/libbb/run_parts.c
@@ -0,0 +1,139 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini run-parts implementation for busybox
+ *
+ *
+ * Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
+ *
+ * Based on the Debian run-parts program, version 1.15
+ * Copyright (C) 1996 Jeff Noxon <jeff@router.patch.net>,
+ * Copyright (C) 1996-1999 Guy Maor <maor@debian.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
+ *
+ */
+
+/* This is my first attempt to write a program in C (well, this is my first
+ * attempt to write a program! :-) . */
+
+/* This piece of code is heavily based on the original version of run-parts,
+ * taken from debian-utils. I've only removed the long options and a the
+ * report mode. As the original run-parts support only long options, I've
+ * broken compatibility because the BusyBox policy doesn't allow them.
+ * The supported options are:
+ * -t test. Print the name of the files to be executed, without
+ * execute them.
+ * -a ARG argument. Pass ARG as an argument the program executed. It can
+ * be repeated to pass multiple arguments.
+ * -u MASK umask. Set the umask of the program executed to MASK. */
+
+/* TODO
+ * done - convert calls to error in perror... and remove error()
+ * done - convert malloc/realloc to their x... counterparts
+ * done - remove catch_sigchld
+ * done - use bb's concat_path_file()
+ * done - declare run_parts_main() as extern and any other function as static?
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "libbb.h"
+
+/* valid_name */
+/* True or false? Is this a valid filename (upper/lower alpha, digits,
+ * underscores, and hyphens only?)
+ */
+static int valid_name(const struct dirent *d)
+{
+ char *c = d->d_name;
+
+ while (*c) {
+ if (!isalnum(*c) && (*c != '_') && (*c != '-')) {
+ return 0;
+ }
+ ++c;
+ }
+ return 1;
+}
+
+/* run_parts */
+/* Find the parts to run & call run_part() */
+extern int run_parts(char **args, const unsigned char test_mode)
+{
+ struct dirent **namelist = 0;
+ struct stat st;
+ char *filename;
+ int entries;
+ int i;
+ int exitstatus = 0;
+
+ /* scandir() isn't POSIX, but it makes things easy. */
+ entries = scandir(args[0], &namelist, valid_name, alphasort);
+
+ if (entries == -1) {
+ perror_msg_and_die("failed to open directory %s", args[0]);
+ }
+
+ for (i = 0; i < entries; i++) {
+
+ filename = concat_path_file(args[0], namelist[i]->d_name);
+
+ if (stat(filename, &st) < 0) {
+ perror_msg_and_die("failed to stat component %s", filename);
+ }
+ if (S_ISREG(st.st_mode) && !access(filename, X_OK)) {
+ if (test_mode)
+ printf("run-parts would run %s\n", filename);
+ else {
+ int result;
+ int pid;
+
+ if ((pid = fork()) < 0) {
+ perror_msg_and_die("failed to fork");
+ } else if (!pid) {
+ execv(args[0], args);
+ perror_msg_and_die("failed to exec %s", args[0]);
+ }
+
+ waitpid(pid, &result, 0);
+
+ if (WIFEXITED(result) && WEXITSTATUS(result)) {
+ perror_msg("%s exited with return code %d", args[0], WEXITSTATUS(result));
+ exitstatus = 1;
+ } else if (WIFSIGNALED(result)) {
+ perror_msg("%s exited because of uncaught signal %d", args[0], WTERMSIG(result));
+ exitstatus = 1;
+ }
+ }
+ }
+ else if (!S_ISDIR(st.st_mode)) {
+ error_msg("component %s is not an executable plain file", filename);
+ exitstatus = 1;
+ }
+
+ free(namelist[i]);
+ free(filename);
+ }
+ free(namelist);
+
+ return(exitstatus);
+}
--
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