mirror of
https://github.com/pygos/init.git
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91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* Copyright (C) 2018 - David Oberhollenzer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include "servicecmd.h"
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static int cmd_schedule(int argc, char **argv)
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{
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char *target, *linkname, *ptr;
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int ret = EXIT_FAILURE;
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struct stat sb;
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if (check_arguments(argv[0], argc, 2, 2))
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return EXIT_FAILURE;
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for (ptr = argv[1]; isalnum(*ptr) || *ptr == '_'; ++ptr)
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;
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if (*ptr != '\0') {
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fprintf(stderr, "Invalid service name '%s'\n", argv[1]);
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tell_read_help(argv[0]);
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return EXIT_FAILURE;
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}
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if (asprintf(&target, "%s/%s.gcron", TEMPLATEDIR, argv[1]) < 0) {
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perror("asprintf");
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return EXIT_FAILURE;
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}
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if (stat(target, &sb)) {
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fprintf(stderr, "%s: %s\n", target, strerror(errno));
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goto out_tgt;
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}
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if ((sb.st_mode & S_IFMT) != S_IFREG) {
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fprintf(stderr, "%s: must be a regular file\n", target);
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goto out_tgt;
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}
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if (asprintf(&linkname, "%s/%s", GCRONDIR, argv[1]) < 0) {
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perror("asprintf");
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goto out_tgt;
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}
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if (symlink(target, linkname)) {
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fprintf(stderr, "creating symlink '%s' -> '%s: %s\n",
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linkname, target, strerror(errno));
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goto out;
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}
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ret = EXIT_SUCCESS;
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out:
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free(linkname);
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out_tgt:
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free(target);
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return ret;
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}
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static command_t schedule = {
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.cmd = "schedule",
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.usage = "<name>",
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.s_desc = "enable a gcrond service",
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.l_desc = "This marks a gcrond service as enabled by creating a "
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"symlink in " GCRONDIR " pointing to a template file in "
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TEMPLATEDIR " with a .gcron extension.",
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.run_cmd = cmd_schedule,
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};
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REGISTER_COMMAND(schedule)
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