Initial commit

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>

3 files changed, 140 insertions, 0 deletions

diff --git a/lib/include/service.h b/lib/include/service.h
new file mode 100644
index 0000000..eb92d85
--- /dev/null
+++ b/lib/include/service.h
@@ -0,0 +1,62 @@
+#ifndef SERVICE_H
+#define SERVICE_H
+
+#include <sys/types.h>
+
+enum {
+	SVC_ONCE = 0,
+	SVC_WAIT,
+	SVC_RESPAWN,
+};
+
+enum {
+	TGT_BOOT = 0,
+	TGT_SHUTDOWN,
+	TGT_REBOOT,
+	TGT_CAD,
+
+	TGT_MAX
+};
+
+typedef struct service_t {
+	int type;		/* SVC_* service type */
+	int target;		/* TGT_* service target */
+	char *name;		/* canonical service name */
+	char *desc;		/* description string */
+	char **exec;		/* command lines to execute */
+	size_t num_exec;	/* number of command lines */
+	char *ctty;		/* controlling tty or log file */
+
+	char **before;
+	size_t num_before;
+	char **after;
+	size_t num_after;
+
+	pid_t pid;
+	int status;		/* process exit status */
+
+	struct service_t *next;
+} service_t;
+
+typedef struct {
+	service_t *targets[TGT_MAX];
+} service_list_t;
+
+/*
+	Read a service from a file.
+*/
+service_t *rdsrv(int dirfd, const char *filename);
+
+void delsrv(service_t *srv);
+
+int srvscan(const char *directory, service_list_t *list);
+
+void del_srv_list(service_list_t *list);
+
+/*
+	Sort a list of services by dependencies.
+*/
+service_t *srv_tsort(service_t *list);
+
+#endif /* SERVICE_H */
+
diff --git a/lib/include/telinit.h b/lib/include/telinit.h
new file mode 100644
index 0000000..72ad871
--- /dev/null
+++ b/lib/include/telinit.h
@@ -0,0 +1,20 @@
+#ifndef TELINIT_H
+#define TELINIT_H
+
+#include "config.h"
+
+#define INITSOCK SOCKDIR "/" "initd.socket"
+
+enum {
+	TI_SHUTDOWN = 1,
+	TI_REBOOT = 2,
+};
+
+typedef struct {
+	int type;
+} ti_msg_t;
+
+int opensock(void);
+
+#endif /* TELINIT_H */
+
diff --git a/lib/include/util.h b/lib/include/util.h
new file mode 100644
index 0000000..bed2ba7
--- /dev/null
+++ b/lib/include/util.h
@@ -0,0 +1,58 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <sys/types.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "config.h"
+
+#ifdef __GNUC__
+	#define NORETURN __attribute__((noreturn))
+#endif
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+typedef struct {
+	const char *name;
+	int value;
+} enum_map_t;
+
+
+/*
+	Read from fd until end-of-file or a line feed is encountered.
+
+	Returns NULL with errno set on failure. Returns NULL with errno
+	cleared if end-of-file is reached.
+
+	The line must be deallocated with free().
+*/
+char *rdline(int fd);
+
+/*
+	Split a line of the shape "key = value" into key and value part.
+
+	The key can contain alphanumeric characters and can be padded with
+	spaces or tabs.
+
+	The value can be either a sequence of alphanumeric characters, period
+	or underscore OR a string in quotation marks. For strings, the
+	quotation marks are removed and escape sequences are processed.
+
+	The value may also be padded with spaces or tabs but the line may not
+	contain anything else after the value, except for spaces, tabs or
+	the '#' symbol which is interpreted as start of a comment.
+*/
+int splitkv(char *line, char **key, char **value);
+
+/*
+	Search through an array of enum_map_t entries to resolve a string to
+	a numeric value. The end of the map is indicated by a sentinel entry
+	with the name set to NULL.
+*/
+const enum_map_t *enum_by_name(const enum_map_t *map, const char *name);
+
+char *strexpand(const char *inp, size_t argc, const char *const *argv);
+
+#endif /* UTIL_H */
+