Add install_initd program

Create the executable install_initd for installing services using Linux
Standard Base (LSB) headers. It creates symlinks for use in a System-V
initialization scheme.

5 files changed, 128 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index f51ec12..128d61e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1 +1 @@
-SUBDIRS = lib test
+SUBDIRS = lib src test
diff --git a/configure.ac b/configure.ac
index 19db689..f89b46c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,7 @@ fi
 AC_CONFIG_FILES([
 Makefile
 lib/Makefile
+src/Makefile
 test/Makefile
 ])
 
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000..91951c0
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1 @@
+install_initd
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..364e271
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,6 @@
+INCLUDES = -I$(top_srcdir)/lib
+
+sbin_PROGRAMS = install_initd
+
+install_initd_SOURCES = install_initd.c
+install_initd_LDADD = $(top_builddir)/lib/libinitd.la
diff --git a/src/install_initd.c b/src/install_initd.c
new file mode 100644
index 0000000..9650b75
--- /dev/null
+++ b/src/install_initd.c
@@ -0,0 +1,119 @@
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+#include <error.h>
+#include <errno.h>
+#include <getopt.h>
+#include "initd.h"
+#include "types.h"
+#include "rdep.h"
+#include "installrm.h"
+
+#ifndef _GNU_SOURCE
+char *program_invocation_name = NULL;
+char *program_invocation_short_name = NULL;
+#endif
+#define PROGNAME "install_initd"
+
+static struct option long_opts[] = {
+	{"directory", 1, NULL, 'd'},
+	{"verbose", 0, NULL, 'v'},
+	{"help", 0, NULL, 'h'},
+	{NULL, 0, NULL, 0}
+};
+
+static void usage(FILE *stream);
+static void set_verbose(void);
+
+int main(int argc, char *argv[])
+{
+	char *id_dir = NULL;
+	initd_list_t *all, *startlist, *stoplist;
+	dep_t *need = dep_new();
+
+	/* parse arguments */
+	while (1) {
+		int optc, index = 0;
+		optc = getopt_long(argc, argv, "d:vh", long_opts, &index);
+
+		if (optc == -1)
+			break;
+
+		switch (optc) {
+		case 'd':
+			id_dir = optarg;
+			break;
+		case 'h':
+			usage(stdout);
+			exit(EXIT_SUCCESS);
+		case 'v':
+			set_verbose();
+			break;
+		case '?':
+			error(EXIT_FAILURE, 0,
+				"Unrecognized option '%c'\n"
+				"See `%s --help' for usage",
+				optopt, program_invocation_name);
+		}
+	}
+
+	if (optind < argc) {
+		while (optind < argc)
+			dep_add(need, argv[optind++]);
+	} else {
+		error(EXIT_FAILURE, 0, "No services supplied\n"
+			"See `%s --help' for usage",
+			program_invocation_name);
+	}
+
+	if (!id_dir)
+		id_dir = DEF_INITD_DIR;
+
+	all = initd_list_from_dir(id_dir);
+
+	startlist = initd_add_recurse_deps(all, SK_START, need);
+	if (!startlist)
+		exit(EXIT_FAILURE);
+
+	stoplist = initd_add_recurse_deps(all, SK_STOP, need);
+	if (!stoplist)
+		exit(EXIT_FAILURE);
+
+	if (!initd_installrm_links(startlist, id_dir, SK_START))
+		exit(EXIT_FAILURE);
+	if (!initd_installrm_links(stoplist, id_dir, SK_STOP))
+		exit(EXIT_FAILURE);
+
+	return 0;
+}
+
+static void usage(FILE *stream)
+{
+	FILE *out;
+
+	if (!stream)
+		out = stdout;
+	if (!program_invocation_name)
+		program_invocation_name = PROGNAME;
+
+	fprintf(stderr,
+		"Usage: %s [OPTION] [SERVICE]...\n"
+		"Install initd SERVICES(s).\n"
+		"\n"
+		"  -d, --directory      set the service directory\n"
+		"  -v, --verbose        show the actions being performed\n"
+		"  -h, --help           show this text and exit\n"
+		"\n"
+		"When an absolute path to SERVICE is not given, it is assumed\n"
+		"to be relative to the default service directory, %s.\n",
+		program_invocation_name,
+		DEF_INITD_DIR);
+}
+
+static void set_verbose(void)
+{
+	initd_recurse_set_verbose(true);
+	initd_installrm_set_verbose(true);
+}