cleanup: simplify runsvc environment config parsing

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>

3 files changed, 0 insertions, 247 deletions

diff --git a/cmd/runsvc/env.c b/cmd/runsvc/env.c
deleted file mode 100644
index 4442e05..0000000
--- a/cmd/runsvc/env.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* SPDX-License-Identifier: ISC */
-#include "runsvc.h"
-
-struct entry {
-	struct entry *next;
-	char data[];
-};
-
-extern char **environ;
-
-static void free_list(struct entry *list)
-{
-	struct entry *e;
-
-	while (list != NULL) {
-		e = list;
-		list = list->next;
-		free(e);
-	}
-}
-
-static struct entry *parse_list(rdline_t *rd)
-{
-	struct entry *e, *list = NULL;
-	char *ptr;
-
-	while (rdline(rd) == 0) {
-		ptr = rd->line;
-
-		while (*ptr != '\0' && *ptr != ' ' && *ptr != '=')
-			++ptr;
-
-		if (*ptr == ' ')
-			memmove(ptr, ptr + 1, strlen(ptr + 1) + 1);
-
-		if (*(ptr++) != '=') {
-			fprintf(stderr, "%s: %zu: line is not of the shape "
-					"'key = value', skipping\n",
-				rd->filename, rd->lineno);
-			continue;
-		}
-
-		if (*ptr == ' ')
-			memmove(ptr, ptr + 1, strlen(ptr + 1) + 1);
-
-		if (unescape(ptr)) {
-			fprintf(stderr, "%s: %zu: malformed string constant, "
-					"skipping\n",
-				rd->filename, rd->lineno);
-			continue;
-		}
-
-		e = calloc(1, sizeof(*e) + strlen(rd->line) + 1);
-		if (e == NULL)
-			goto fail_oom;
-
-		strcpy(e->data, rd->line);
-		e->next = list;
-		list = e;
-	}
-
-	return list;
-fail_oom:
-	fputs("out of memory\n", stderr);
-	free_list(list);
-	return NULL;
-}
-
-static struct entry *list_from_file(void)
-{
-	struct entry *list;
-	rdline_t rd;
-
-	if (rdline_init(&rd, AT_FDCWD, ENVFILE, 0, NULL))
-		return NULL;
-
-	list = parse_list(&rd);
-	rdline_cleanup(&rd);
-	return list;
-}
-
-int initenv(void)
-{
-	struct entry *list, *e;
-	int i, count;
-	char **envp;
-
-	list = list_from_file();
-	if (list == NULL)
-		return -1;
-
-	for (count = 0, e = list; e != NULL; e = e->next)
-		++count;
-
-	envp = malloc((count + 1) * sizeof(char *));
-	if (envp == NULL) {
-		fputs("out of memory\n", stderr);
-		free_list(list);
-		return -1;
-	}
-
-	for (i = 0, e = list; e != NULL; e = e->next)
-		envp[i] = e->data;
-
-	envp[i] = NULL;
-
-	environ = envp;
-	return 0;
-}
diff --git a/cmd/runsvc/runsvc.c b/cmd/runsvc/runsvc.c
deleted file mode 100644
index 75fdc46..0000000
--- a/cmd/runsvc/runsvc.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/* SPDX-License-Identifier: ISC */
-#include "runsvc.h"
-
-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);
-
-	close(STDIN_FILENO);
-	close(STDOUT_FILENO);
-	close(STDERR_FILENO);
-
-	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 (initenv())
-		return EXIT_FAILURE;
-
-	if (setup_tty(svc->ctty, (svc->flags & SVC_FLAG_TRUNCATE_OUT) != 0))
-		return EXIT_FAILURE;
-
-	return run_sequentially(svc->exec);
-}
diff --git a/cmd/runsvc/runsvc.h b/cmd/runsvc/runsvc.h
deleted file mode 100644
index 2a6ae49..0000000
--- a/cmd/runsvc/runsvc.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: ISC */
-#ifndef RUNSVC_H
-#define RUNSVC_H
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <fcntl.h>
-
-#include "service.h"
-#include "libcfg.h"
-#include "config.h"
-
-#define ENVFILE ETCPATH "/initd.env"
-
-int initenv(void);
-
-#endif /* RUNSVC_H */