From 5f282897317df38bbd96ba567f3a4f1d2f259039 Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <goliath@infraroot.at>
Date: Mon, 6 Apr 2020 18:27:48 +0200
Subject: cleanup: merge runsvc back into initd

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
---
 cmd/Makemodule.am |   8 +--
 cmd/runsvc.c      | 195 ------------------------------------------------------
 2 files changed, 1 insertion(+), 202 deletions(-)
 delete mode 100644 cmd/runsvc.c

(limited to 'cmd')

diff --git a/cmd/Makemodule.am b/cmd/Makemodule.am
index 4011b6c..7b8296f 100644
--- a/cmd/Makemodule.am
+++ b/cmd/Makemodule.am
@@ -3,12 +3,6 @@ shutdown_CPPFLAGS = $(AM_CPPFLAGS)
 shutdown_CFLAGS = $(AM_CFLAGS)
 shutdown_LDFLAGS = $(AM_LDFLAGS)
 
-runsvc_SOURCES = cmd/runsvc.c
-runsvc_CPPFLAGS = $(AM_CPPFLAGS)
-runsvc_CFLAGS = $(AM_CFLAGS)
-runsvc_LDFLAGS = $(AM_LDFLAGS)
-runsvc_LDADD = libinit.a libcfg.a
-
 killall5_SOURCES = cmd/killall5.c
 killall5_CPPFLAGS = $(AM_CPPFLAGS)
 killall5_CFLAGS = $(AM_CFLAGS)
@@ -37,4 +31,4 @@ dist_man8_MANS += cmd/shutdown.8 cmd/service/service.8
 EXTRA_DIST += $(SRVHEADERS)
 
 sbin_PROGRAMS += service shutdown
-helper_PROGRAMS += killall5 runsvc waitfile
+helper_PROGRAMS += killall5 waitfile
diff --git a/cmd/runsvc.c b/cmd/runsvc.c
deleted file mode 100644
index ab07b4a..0000000
--- a/cmd/runsvc.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* SPDX-License-Identifier: ISC */
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <ctype.h>
-
-#include "service.h"
-#include "libcfg.h"
-#include "config.h"
-
-#define ENVFILE ETCPATH "/initd.env"
-#define PROCFDDIR "/proc/self/fd"
-
-static int setup_env(void)
-{
-	int status = -1;
-	ssize_t ret;
-	FILE *fp;
-
-	clearenv();
-
-	fp = fopen(ENVFILE, "r");
-	if (fp == NULL) {
-		perror(ENVFILE);
-		return -1;
-	}
-
-	do {
-		char *line = NULL;
-		size_t n = 0;
-
-		errno = 0;
-		ret = getline(&line, &n, fp);
-
-		if (ret < 0) {
-			if (errno == 0) {
-				status = 0;
-			} else {
-				perror(ENVFILE);
-			}
-		} else if (ret > 0 && putenv(line) != 0) {
-			perror("putenv");
-			ret = -1;
-		}
-
-		free(line);
-	} while (ret >= 0);
-
-	fclose(fp);
-	return status;
-}
-
-static int close_all_files(void)
-{
-	struct dirent *ent;
-	DIR *dir;
-	int fd;
-
-	dir = opendir(PROCFDDIR);
-	if (dir == NULL) {
-		perror(PROCFDDIR);
-		return -1;
-	}
-
-	while ((ent = readdir(dir)) != NULL) {
-		if (!isdigit(ent->d_name[0]))
-			continue;
-
-		fd = atoi(ent->d_name);
-		close(fd);
-	}
-
-	closedir(dir);
-	return 0;
-}
-
-static int setup_tty(const char *tty, bool truncate)
-{
-	int fd;
-
-	if (tty == NULL)
-		return 0;
-
-	fd = open(tty, O_RDWR);
-	if (fd < 0) {
-		perror(tty);
-		return -1;
-	}
-
-	if (truncate)
-		ftruncate(fd, 0);
-
-	setsid();
-
-	dup2(fd, STDIN_FILENO);
-	dup2(fd, STDOUT_FILENO);
-	dup2(fd, STDERR_FILENO);
-	close(fd);
-	return 0;
-}
-
-static __attribute__((noreturn)) void argv_exec(exec_t *e)
-{
-	char **argv = alloca(sizeof(char *) * (e->argc + 1)), *ptr;
-	int i;
-
-	for (ptr = e->args, i = 0; i < e->argc; ++i, ptr += strlen(ptr) + 1)
-		argv[i] = ptr;
-
-	argv[i] = NULL;
-	execvp(argv[0], argv);
-	perror(argv[0]);
-	exit(EXIT_FAILURE);
-}
-
-static int run_sequentially(exec_t *list)
-{
-	pid_t ret, pid;
-	int status;
-
-	for (; list != NULL; list = list->next) {
-		if (list->next == NULL)
-			argv_exec(list);
-
-		pid = fork();
-
-		if (pid == 0)
-			argv_exec(list);
-
-		if (pid == -1) {
-			perror("fork");
-			return EXIT_FAILURE;
-		}
-
-		do {
-			ret = waitpid(pid, &status, 0);
-		} while (ret != pid);
-
-		if (!WIFEXITED(status))
-			return EXIT_FAILURE;
-
-		if (WEXITSTATUS(status) != EXIT_SUCCESS)
-			return WEXITSTATUS(status);
-	}
-
-	return EXIT_SUCCESS;
-}
-
-/*****************************************************************************/
-
-int main(int argc, char **argv)
-{
-	service_t *svc = NULL;
-	int dirfd;
-
-	if (argc != 3) {
-		fputs("usage: runsvc <directory> <filename>\n", stderr);
-		return EXIT_FAILURE;
-	}
-
-	if (getppid() != 1) {
-		fputs("must be run by init!\n", stderr);
-		return EXIT_FAILURE;
-	}
-
-	dirfd = open(argv[1], O_RDONLY | O_DIRECTORY);
-	if (dirfd < 0) {
-		perror(argv[1]);
-		return EXIT_FAILURE;
-	}
-
-	svc = rdsvc(dirfd, argv[2], RDSVC_NO_FNAME | RDSVC_NO_DEPS);
-	close(dirfd);
-	if (svc == NULL)
-		return EXIT_FAILURE;
-
-	if (setup_env())
-		return EXIT_FAILURE;
-
-	if (close_all_files())
-		return EXIT_FAILURE;
-
-	if (setup_tty(svc->ctty, (svc->flags & SVC_FLAG_TRUNCATE_OUT) != 0))
-		return EXIT_FAILURE;
-
-	return run_sequentially(svc->exec);
-}
-- 
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