Add --list to rc-service to list all available services.

1 files changed, 99 insertions, 0 deletions

diff --git a/src/rc/rc-service.c b/src/rc/rc-service.c
new file mode 100644
index 0000000..e7bd62c
--- /dev/null
+++ b/src/rc/rc-service.c
@@ -0,0 +1,99 @@
+/*
+   rc-service.c
+   Finds all OpenRC services
+   */
+
+/*
+ * Copyright 2008 Roy Marples
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "builtins.h"
+#include "einfo.h"
+#include "rc.h"
+#include "rc-misc.h"
+
+extern char *applet;
+
+#include "_usage.h"
+#define getoptstring "l" getoptstring_COMMON
+static const struct option longopts[] = {
+	{ "list",   0, NULL, 'l' },
+	longopts_COMMON
+};
+static const char * const longopts_help[] = {
+	"list all available services",
+	longopts_help_COMMON
+};
+#include "_usage.c"
+
+int rc_service(int argc, char **argv)
+{
+	int opt;
+	char *service;
+	RC_STRINGLIST *list;
+	RC_STRING *s;
+
+	/* Ensure that we are only quiet when explicitly told to be */
+	unsetenv("EINFO_QUIET");
+
+	while ((opt = getopt_long(argc, argv, getoptstring,
+				  longopts, (int *) 0)) != -1)
+	{
+		switch (opt) {
+		case 'l':
+			list = rc_services_in_runlevel(NULL);
+			if (! list)
+				return EXIT_FAILURE;
+			rc_stringlist_sort(&list);
+			TAILQ_FOREACH(s, list, entries)
+				printf("%s\n", s->value);
+			rc_stringlist_free(list);
+			return EXIT_SUCCESS;
+			/* NOTREACHED */
+
+		case_RC_COMMON_GETOPT
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (!*argv)
+		eerrorx("%s: you need to specify a service", applet);
+
+	if (!(service = rc_service_resolve(*argv)))
+		eerrorx("%s: service `%s' does not exist", applet, *argv);
+
+	*argv = service;
+	execv(*argv, argv);
+	eerrorx("%s: %s", applet, strerror(errno));
+	/* NOTREACHED */
+}