aboutsummaryrefslogtreecommitdiff
path: root/lib/include
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-09-16 15:38:45 +0200
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-09-17 14:53:19 +0200
commit5cd5f48f765f00b81786c6f569314474a91a06b8 (patch)
treef7cbda4a0f09ebffd8efb71295914a22557cc2b8 /lib/include
parent481744a2ba4d9b795918d3bc0767321e05e10bbd (diff)
Add helper library for cron configuration
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'lib/include')
-rw-r--r--lib/include/crontab.h56
-rw-r--r--lib/include/libcfg.h24
2 files changed, 80 insertions, 0 deletions
diff --git a/lib/include/crontab.h b/lib/include/crontab.h
new file mode 100644
index 0000000..408d276
--- /dev/null
+++ b/lib/include/crontab.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#ifndef CRONTAB_H
+#define CRONTAB_H
+
+#include <sys/types.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <time.h>
+
+#include "service.h"
+
+typedef struct crontab_t {
+ struct crontab_t *next;
+ exec_t *exec;
+ char *ctty;
+
+ uid_t uid;
+ gid_t gid;
+ pid_t pid;
+
+ uint64_t minute;
+ uint32_t hour;
+ uint32_t dayofmonth;
+ uint16_t month;
+ uint8_t dayofweek;
+
+ unsigned int tty_truncate : 1;
+} crontab_t;
+
+crontab_t *rdcron(int dirfd, const char *filename);
+
+void delcron(crontab_t *cron);
+
+int cronscan(const char *directory, crontab_t **list);
+
+void cron_tm_to_mask(crontab_t *out, struct tm *t);
+
+bool cron_should_run(const crontab_t *t, const crontab_t *mask);
+
+#endif /* CRONTAB_H */
diff --git a/lib/include/libcfg.h b/lib/include/libcfg.h
index 83b9213..8096f1b 100644
--- a/lib/include/libcfg.h
+++ b/lib/include/libcfg.h
@@ -19,6 +19,7 @@
#define LIBCONFIG_H
#include <stdbool.h>
+#include <stddef.h>
typedef struct {
int fd; /* input file descriptor */
@@ -38,6 +39,20 @@ typedef struct {
bool comment; /* inside a comment */
} rdline_t;
+typedef struct {
+ /* keyword to map the callback to */
+ const char *key;
+
+ /*
+ If set, allow grouping repetitions of the keyword in a single
+ multi line '{' ... '}' block. The callback is called for each
+ line.
+ */
+ unsigned int allow_block : 1;
+
+ int (*handle)(void *obj, char *arg, rdline_t *rd, int flags);
+} cfg_param_t;
+
/*
Initialize the config line scanner.
@@ -104,4 +119,13 @@ int pack_argv(char *str);
*/
int splitkv(rdline_t *rd, char **k, char **v);
+/*
+ Parse a configuration file containing '<keyword> [arguments...]' lines.
+ The cfgobj and flags are passed to the callback in the params array.
+
+ Returns zero on success.
+ */
+int rdcfg(void *cfgobj, rdline_t *rd, const cfg_param_t *params, size_t count,
+ int flags);
+
#endif /* LIBCONFIG_H */