/home/marcin/applauncher/applauncherd-3.0.3/src/invoker/invoker.c File Reference

#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sys/socket.h>
#include <bits/socket.h>
#include <sys/un.h>
#include <sys/uio.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <limits.h>
#include <getopt.h>
#include <fcntl.h>
#include "report.h"
#include "protocol.h"
#include "invokelib.h"
#include "search.h"

Go to the source code of this file.

Defines

#define _GNU_SOURCE

Enumerations

enum APP_TYPE {
M_APP, QT_APP, QDECL_APP, EXEC_APP,
UNKNOWN_APP
}

Functions

static void sigs_restore (void)

static void sigs_init (void)

static void sig_forwarder (int sig)

static void sigs_set (struct sigaction *sig)

static void show_credentials (void)

static bool invoke_recv_ack (int fd)

static int invoker_init (enum APP_TYPE app_type)

static uint32_t invoker_recv_pid (int fd)

static bool invoker_recv_exit (int fd, int *status)

static void invoker_send_magic (int fd, uint32_t options)

static void invoker_send_name (int fd, char *name)

static void invoker_send_splash_file (int fd, char *filename)

static void invoker_send_landscape_splash_file (int fd, char *filename)

static void invoker_send_exec (int fd, char *exec)

static void invoker_send_args (int fd, int argc, char **argv)

static void invoker_send_prio (int fd, int prio)

static void invoker_send_delay (int fd, int delay)

static void invoker_send_ids (int fd, int uid, int gid)

static void invoker_send_env (int fd)

static void invoker_send_io (int fd)

static void invoker_send_end (int fd)

static void usage (int status)

static unsigned int get_delay (char *delay_arg, char *param_name, unsigned int min_value, unsigned int max_value)

static int wait_for_launched_process_to_exit (int socket_fd, bool wait_term)

static int invoke_remote (int socket_fd, int prog_argc, char **prog_argv, char *prog_name, uint32_t magic_options, bool wait_term, unsigned int respawn_delay, char *splash_file, char *landscape_splash_file)

static void invoke_fallback (char **prog_argv, char *prog_name, bool wait_term)

static int invoke (int prog_argc, char **prog_argv, char *prog_name, enum APP_TYPE app_type, uint32_t magic_options, bool wait_term, unsigned int respawn_delay, char *splash_file, char *landscape_splash_file)

int main (int argc, char *argv[])

Variables

static const unsigned int EXIT_DELAY = 0

static const unsigned int MIN_EXIT_DELAY = 1

static const unsigned int MAX_EXIT_DELAY = 86400

static const unsigned int RESPAWN_DELAY = 3

static const unsigned int MIN_RESPAWN_DELAY = 0

static const unsigned int MAX_RESPAWN_DELAY = 10

static const unsigned char EXIT_STATUS_APPLICATION_CONNECTION_LOST = 0xfa

static const unsigned char EXIT_STATUS_APPLICATION_NOT_FOUND = 0x7f

char ** environ

static pid_t g_invoked_pid = -1

static int g_signal_pipe [2]

Pipe used to safely catch Unix signals.

Define Documentation

#define _GNU_SOURCE

Definition at line 20 of file invoker.c.

Enumeration Type Documentation

enum APP_TYPE

Enumerator:

M_APP
QT_APP
QDECL_APP
EXEC_APP
UNKNOWN_APP

Definition at line 71 of file invoker.c.

Function Documentation

static unsigned int get_delay	(	char *	delay_arg,
		char *	param_name,
		unsigned int	min_value,
		unsigned int	max_value
	)			`[static]`

Definition at line 484 of file invoker.c.

References EXIT_DELAY, and usage().

static int invoke	(	int	prog_argc,
		char **	prog_argv,
		char *	prog_name,
		enum APP_TYPE	app_type,
		uint32_t	magic_options,
		bool	wait_term,
		unsigned int	respawn_delay,
		char *	splash_file,
		char *	landscape_splash_file
	)			`[static]`

Definition at line 657 of file invoker.c.

References invoke_fallback(), invoke_remote(), and invoker_init().

static void invoke_fallback	(	char **	prog_argv,
		char *	prog_name,
		bool	wait_term
	)			`[static]`

Definition at line 626 of file invoker.c.

References environ.

static bool invoke_recv_ack ( int fd ) [static]

Definition at line 202 of file invoker.c.

References invoke_recv_msg().

static int invoke_remote	(	int	socket_fd,
		int	prog_argc,
		char **	prog_argv,
		char *	prog_name,
		uint32_t	magic_options,
		bool	wait_term,
		unsigned int	respawn_delay,
		char *	splash_file,
		char *	landscape_splash_file
	)			`[static]`

Definition at line 588 of file invoker.c.

References invoker_send_args(), invoker_send_delay(), invoker_send_end(), invoker_send_env(), invoker_send_exec(), invoker_send_ids(), invoker_send_io(), invoker_send_landscape_splash_file(), invoker_send_magic(), invoker_send_name(), invoker_send_prio(), invoker_send_splash_file(), and wait_for_launched_process_to_exit().

static int invoker_init ( enum APP_TYPE app_type ) [static]

Definition at line 221 of file invoker.c.

References EXEC_APP, INVOKER_EXEC_SOCK, INVOKER_M_SOCK, INVOKER_QDECL_SOCK, INVOKER_QT_SOCK, M_APP, QDECL_APP, and QT_APP.

static bool invoker_recv_exit	(	int	fd,
		int *	status
	)			`[static]`

Definition at line 289 of file invoker.c.

References invoke_recv_msg().

static uint32_t invoker_recv_pid ( int fd ) [static]

Definition at line 271 of file invoker.c.

References invoke_recv_msg().

static void invoker_send_args	(	int	fd,
		int	argc,
		char **	argv
	)			`[static]`

Definition at line 344 of file invoker.c.

References invoke_send_msg(), and invoke_send_str().

static void invoker_send_delay	(	int	fd,
		int	delay
	)			`[static]`

Definition at line 364 of file invoker.c.

References invoke_send_msg().

static void invoker_send_end ( int fd ) [static]

Definition at line 436 of file invoker.c.

References invoke_recv_ack(), and invoke_send_msg().

static void invoker_send_env ( int fd ) [static]

Definition at line 379 of file invoker.c.

References environ, invoke_send_msg(), and invoke_send_str().

static void invoker_send_exec	(	int	fd,
		char *	exec
	)			`[static]`

Definition at line 338 of file invoker.c.

References invoke_send_msg(), and invoke_send_str().

static void invoker_send_ids	(	int	fd,
		int	uid,
		int	gid
	)			`[static]`

Definition at line 371 of file invoker.c.

References invoke_send_msg().

static void invoker_send_io ( int fd ) [static]

Definition at line 398 of file invoker.c.

References invoke_send_msg().

static void invoker_send_landscape_splash_file	(	int	fd,
		char *	filename
	)			`[static]`

Definition at line 332 of file invoker.c.

References invoke_send_msg(), and invoke_send_str().

static void invoker_send_magic	(	int	fd,
		uint32_t	options
	)			`[static]`

Definition at line 313 of file invoker.c.

References invoke_send_msg().

static void invoker_send_name	(	int	fd,
		char *	name
	)			`[static]`

Definition at line 320 of file invoker.c.

References invoke_send_msg(), and invoke_send_str().

static void invoker_send_prio	(	int	fd,
		int	prio
	)			`[static]`

Definition at line 357 of file invoker.c.

References invoke_send_msg().

static void invoker_send_splash_file	(	int	fd,
		char *	filename
	)			`[static]`

Definition at line 326 of file invoker.c.

References invoke_send_msg(), and invoke_send_str().

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 685 of file invoker.c.

References EXEC_APP, EXIT_DELAY, EXIT_STATUS_APPLICATION_NOT_FOUND, g_signal_pipe, get_delay(), invoke(), M_APP, MAX_EXIT_DELAY, MAX_RESPAWN_DELAY, MIN_EXIT_DELAY, MIN_RESPAWN_DELAY, QDECL_APP, QT_APP, RESPAWN_DELAY, search_program(), show_credentials(), UNKNOWN_APP, and usage().

static void show_credentials ( void ) [static]

Definition at line 178 of file invoker.c.

static void sig_forwarder ( int sig ) [static]

Definition at line 86 of file invoker.c.

References g_invoked_pid, g_signal_pipe, and sigs_restore().

static void sigs_init ( void ) [static]

Definition at line 154 of file invoker.c.

References sig_forwarder(), and sigs_set().

static void sigs_restore ( void ) [static]

Definition at line 166 of file invoker.c.

References sigs_set().

static void sigs_set ( struct sigaction * sig ) [static]

Definition at line 123 of file invoker.c.

static void usage ( int status ) [static]

Definition at line 444 of file invoker.c.

References EXIT_DELAY, MAX_RESPAWN_DELAY, and RESPAWN_DELAY.

static int wait_for_launched_process_to_exit	(	int	socket_fd,
		bool	wait_term
	)			`[static]`

Definition at line 507 of file invoker.c.

References g_invoked_pid, g_signal_pipe, invoker_recv_exit(), invoker_recv_pid(), sigs_init(), and sigs_restore().

Variable Documentation

char** environ

const unsigned int EXIT_DELAY = 0 [static]

Definition at line 52 of file invoker.c.

const unsigned char EXIT_STATUS_APPLICATION_CONNECTION_LOST = 0xfa [static]

Definition at line 62 of file invoker.c.

const unsigned char EXIT_STATUS_APPLICATION_NOT_FOUND = 0x7f [static]

Definition at line 63 of file invoker.c.

pid_t g_invoked_pid = -1 [static]

Definition at line 77 of file invoker.c.

int g_signal_pipe[2] [static]

Pipe used to safely catch Unix signals.

Definition at line 83 of file invoker.c.

const unsigned int MAX_EXIT_DELAY = 86400 [static]

Definition at line 54 of file invoker.c.

const unsigned int MAX_RESPAWN_DELAY = 10 [static]

Definition at line 60 of file invoker.c.

const unsigned int MIN_EXIT_DELAY = 1 [static]

Definition at line 53 of file invoker.c.

const unsigned int MIN_RESPAWN_DELAY = 0 [static]

Definition at line 59 of file invoker.c.

const unsigned int RESPAWN_DELAY = 3 [static]

Definition at line 58 of file invoker.c.


Defines
#define	_GNU_SOURCE
Enumerations
enum	APP_TYPE { M_APP, QT_APP, QDECL_APP, EXEC_APP, UNKNOWN_APP }
Functions
static void	sigs_restore (void)
static void	sigs_init (void)
static void	sig_forwarder (int sig)
static void	sigs_set (struct sigaction *sig)
static void	show_credentials (void)
static bool	invoke_recv_ack (int fd)
static int	invoker_init (enum APP_TYPE app_type)
static uint32_t	invoker_recv_pid (int fd)
static bool	invoker_recv_exit (int fd, int *status)
static void	invoker_send_magic (int fd, uint32_t options)
static void	invoker_send_name (int fd, char *name)
static void	invoker_send_splash_file (int fd, char *filename)
static void	invoker_send_landscape_splash_file (int fd, char *filename)
static void	invoker_send_exec (int fd, char *exec)
static void	invoker_send_args (int fd, int argc, char **argv)
static void	invoker_send_prio (int fd, int prio)
static void	invoker_send_delay (int fd, int delay)
static void	invoker_send_ids (int fd, int uid, int gid)
static void	invoker_send_env (int fd)
static void	invoker_send_io (int fd)
static void	invoker_send_end (int fd)
static void	usage (int status)
static unsigned int	get_delay (char delay_arg, char param_name, unsigned int min_value, unsigned int max_value)
static int	wait_for_launched_process_to_exit (int socket_fd, bool wait_term)
static int	invoke_remote (int socket_fd, int prog_argc, char *prog_argv, char prog_name, uint32_t magic_options, bool wait_term, unsigned int respawn_delay, char splash_file, char landscape_splash_file)
static void	invoke_fallback (char *prog_argv, char prog_name, bool wait_term)
static int	invoke (int prog_argc, char *prog_argv, char prog_name, enum APP_TYPE app_type, uint32_t magic_options, bool wait_term, unsigned int respawn_delay, char splash_file, char landscape_splash_file)
int	main (int argc, char *argv[])
Variables
static const unsigned int	EXIT_DELAY = 0
static const unsigned int	MIN_EXIT_DELAY = 1
static const unsigned int	MAX_EXIT_DELAY = 86400
static const unsigned int	RESPAWN_DELAY = 3
static const unsigned int	MIN_RESPAWN_DELAY = 0
static const unsigned int	MAX_RESPAWN_DELAY = 10
static const unsigned char	EXIT_STATUS_APPLICATION_CONNECTION_LOST = 0xfa
static const unsigned char	EXIT_STATUS_APPLICATION_NOT_FOUND = 0x7f
char **	environ
static pid_t	g_invoked_pid = -1
static int	g_signal_pipe [2]
	Pipe used to safely catch Unix signals.