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