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/*-*- Mode: C; c-basic-offset: 8 -*-*/
#ifndef fooexecutehfoo
#define fooexecutehfoo
typedef struct ExecStatus ExecStatus;
typedef struct ExecCommand ExecCommand;
typedef struct ExecContext ExecContext;
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/capability.h>
#include <stdbool.h>
#include <stdio.h>
#include "list.h"
#include "util.h"
/* Abstract namespace! */
#define LOGGER_SOCKET "/systemd/logger"
typedef enum ExecOutput {
EXEC_CONSOLE,
EXEC_NULL,
EXEC_SYSLOG,
EXEC_KERNEL
} ExecOutput;
struct ExecStatus {
pid_t pid;
usec_t timestamp;
int code; /* as in siginfo_t::si_code */
int status; /* as in sigingo_t::si_status */
};
struct ExecCommand {
char *path;
char **argv;
ExecStatus exec_status;
LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */
};
struct ExecContext {
char **environment;
mode_t umask;
struct rlimit *rlimit[RLIMIT_NLIMITS]; /* FIXME: load-fragment parser missing */
char *working_directory, *root_directory;
int oom_adjust;
int nice;
int ioprio;
bool oom_adjust_set:1;
bool nice_set:1;
bool ioprio_set:1;
ExecOutput output;
int syslog_priority;
char *syslog_identifier;
/* FIXME: all privs related settings need parser and enforcer */
cap_t capabilities;
bool capabilities_set:1;
/* since resolving these names might might involve socket
* connections and we don't want to deadlock ourselves these
* names are resolved on execution only. */
char *user;
char *group;
char **supplementary_groups;
};
typedef enum ExitStatus {
/* EXIT_SUCCESS defined by libc */
/* EXIT_FAILURE defined by libc */
EXIT_INVALIDARGUMENT = 2,
EXIT_NOTIMPLEMENTED = 3,
EXIT_NOPERMISSION = 4,
EXIT_NOTINSTALLED = 5,
EXIT_NOTCONFIGURED = 6,
EXIT_NOTRUNNING = 7,
/* The LSB suggests that error codes >= 200 are "reserved". We
* use them here under the assumption that they hence are
* unused by init scripts.
*
* http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html */
EXIT_CHDIR = 200,
EXIT_NICE,
EXIT_FDS,
EXIT_EXEC,
EXIT_MEMORY,
EXIT_LIMITS,
EXIT_OOM_ADJUST,
EXIT_SIGNAL_MASK,
EXIT_OUTPUT,
EXIT_CHROOT,
EXIT_PGID,
EXIT_IOPRIO
} ExitStatus;
int exec_spawn(const ExecCommand *command, const ExecContext *context, int *fds, unsigned n_fds, pid_t *ret);
void exec_command_free_list(ExecCommand *c);
void exec_command_free_array(ExecCommand **c, unsigned n);
char *exec_command_line(ExecCommand *c);
void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix);
void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix);
void exec_context_init(ExecContext *c);
void exec_context_done(ExecContext *c);
void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
void exec_status_fill(ExecStatus *s, pid_t pid, int code, int status);
#endif
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