71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "log.h"
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#include "mkdir.h"
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#include "string-util.h"
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#include "util.h"
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static const char *arg_dest = "/tmp";
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static int add_symlink(const char *service, const char *where) {
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const char *from, *to;
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int r;
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assert(service);
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assert(where);
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from = strjoina(SYSTEM_DATA_UNIT_PATH "/", service);
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to = strjoina(arg_dest, "/", where, ".wants/", service);
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(void) mkdir_parents_label(to, 0755);
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r = symlink(from, to);
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if (r < 0) {
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if (errno == EEXIST)
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return 0;
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return log_error_errno(errno, "Failed to create symlink %s: %m", to);
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}
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return 1;
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}
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int main(int argc, char *argv[]) {
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int ret = EXIT_SUCCESS;
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if (argc > 1 && argc != 4) {
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log_error("This program takes three or no arguments.");
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return EXIT_FAILURE;
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}
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if (argc > 1)
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arg_dest = argv[1];
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log_set_prohibit_ipc(true);
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log_set_target(LOG_TARGET_AUTO);
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log_parse_environment();
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log_open();
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umask(0022);
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if (access(RC_LOCAL_SCRIPT_PATH_START, X_OK) >= 0) {
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log_debug("Automatically adding rc-local.service.");
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if (add_symlink("rc-local.service", "multi-user.target") < 0)
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ret = EXIT_FAILURE;
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}
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if (access(RC_LOCAL_SCRIPT_PATH_STOP, X_OK) >= 0) {
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log_debug("Automatically adding halt-local.service.");
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if (add_symlink("halt-local.service", "final.target") < 0)
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ret = EXIT_FAILURE;
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}
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return ret;
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}
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