/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once typedef struct ExecStatus ExecStatus; typedef struct ExecCommand ExecCommand; typedef struct ExecContext ExecContext; typedef struct ExecSharedRuntime ExecSharedRuntime; typedef struct DynamicCreds DynamicCreds; typedef struct ExecRuntime ExecRuntime; typedef struct ExecParameters ExecParameters; typedef struct Manager Manager; #include #include #include #include #include "cgroup-util.h" #include "coredump-util.h" #include "cpu-set-util.h" #include "exec-util.h" #include "fdset.h" #include "list.h" #include "missing_resource.h" #include "namespace.h" #include "nsflags.h" #include "numa-util.h" #include "open-file.h" #include "path-util.h" #include "runtime-scope.h" #include "set.h" #include "time-util.h" #define EXEC_STDIN_DATA_MAX (64U*1024U*1024U) typedef enum ExecUtmpMode { EXEC_UTMP_INIT, EXEC_UTMP_LOGIN, EXEC_UTMP_USER, _EXEC_UTMP_MODE_MAX, _EXEC_UTMP_MODE_INVALID = -EINVAL, } ExecUtmpMode; typedef enum ExecInput { EXEC_INPUT_NULL, EXEC_INPUT_TTY, EXEC_INPUT_TTY_FORCE, EXEC_INPUT_TTY_FAIL, EXEC_INPUT_SOCKET, EXEC_INPUT_NAMED_FD, EXEC_INPUT_DATA, EXEC_INPUT_FILE, _EXEC_INPUT_MAX, _EXEC_INPUT_INVALID = -EINVAL, } ExecInput; typedef enum ExecOutput { EXEC_OUTPUT_INHERIT, EXEC_OUTPUT_NULL, EXEC_OUTPUT_TTY, EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE, EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE, EXEC_OUTPUT_SOCKET, EXEC_OUTPUT_NAMED_FD, EXEC_OUTPUT_FILE, EXEC_OUTPUT_FILE_APPEND, EXEC_OUTPUT_FILE_TRUNCATE, _EXEC_OUTPUT_MAX, _EXEC_OUTPUT_INVALID = -EINVAL, } ExecOutput; typedef enum ExecPreserveMode { EXEC_PRESERVE_NO, EXEC_PRESERVE_YES, EXEC_PRESERVE_RESTART, _EXEC_PRESERVE_MODE_MAX, _EXEC_PRESERVE_MODE_INVALID = -EINVAL, } ExecPreserveMode; typedef enum ExecKeyringMode { EXEC_KEYRING_INHERIT, EXEC_KEYRING_PRIVATE, EXEC_KEYRING_SHARED, _EXEC_KEYRING_MODE_MAX, _EXEC_KEYRING_MODE_INVALID = -EINVAL, } ExecKeyringMode; /* Contains start and exit information about an executed command. */ struct ExecStatus { dual_timestamp start_timestamp; dual_timestamp exit_timestamp; dual_timestamp handoff_timestamp; pid_t pid; int code; /* as in siginfo_t::si_code */ int status; /* as in siginfo_t::si_status */ }; /* Stores information about commands we execute. Covers both configuration settings as well as runtime data. */ struct ExecCommand { char *path; char **argv; ExecStatus exec_status; /* Note that this is not serialized to sd-executor */ ExecCommandFlags flags; LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */ }; /* Encapsulates certain aspects of the runtime environment that is to be shared between multiple otherwise separate * invocations of commands. Specifically, this allows sharing of /tmp and /var/tmp data as well as network namespaces * between invocations of commands. This is a reference counted object, with one reference taken by each currently * active command invocation that wants to share this runtime. */ struct ExecSharedRuntime { unsigned n_ref; Manager *manager; char *id; /* Unit id of the owner */ char *tmp_dir; char *var_tmp_dir; /* An AF_UNIX socket pair, that contains a datagram containing a file descriptor referring to the network * namespace. */ int netns_storage_socket[2]; /* Like netns_storage_socket, but the file descriptor is referring to the IPC namespace. */ int ipcns_storage_socket[2]; }; struct ExecRuntime { ExecSharedRuntime *shared; DynamicCreds *dynamic_creds; /* The path to the ephemeral snapshot of the root directory or root image if one was requested. */ char *ephemeral_copy; /* An AF_UNIX socket pair that receives the locked file descriptor referring to the ephemeral copy of * the root directory or root image. The lock prevents tmpfiles from removing the ephemeral snapshot * until we're done using it. */ int ephemeral_storage_socket[2]; }; typedef enum ExecDirectoryType { EXEC_DIRECTORY_RUNTIME, EXEC_DIRECTORY_STATE, EXEC_DIRECTORY_CACHE, EXEC_DIRECTORY_LOGS, EXEC_DIRECTORY_CONFIGURATION, _EXEC_DIRECTORY_TYPE_MAX, _EXEC_DIRECTORY_TYPE_INVALID = -EINVAL, } ExecDirectoryType; typedef struct ExecDirectoryItem { char *path; char **symlinks; bool only_create; } ExecDirectoryItem; typedef struct ExecDirectory { mode_t mode; size_t n_items; ExecDirectoryItem *items; } ExecDirectory; typedef enum ExecCleanMask { /* In case you wonder why the bitmask below doesn't use "directory" in its name: we want to keep this * generic so that .timer timestamp files can nicely be covered by this too, and similar. */ EXEC_CLEAN_RUNTIME = 1U << EXEC_DIRECTORY_RUNTIME, EXEC_CLEAN_STATE = 1U << EXEC_DIRECTORY_STATE, EXEC_CLEAN_CACHE = 1U << EXEC_DIRECTORY_CACHE, EXEC_CLEAN_LOGS = 1U << EXEC_DIRECTORY_LOGS, EXEC_CLEAN_CONFIGURATION = 1U << EXEC_DIRECTORY_CONFIGURATION, EXEC_CLEAN_FDSTORE = 1U << _EXEC_DIRECTORY_TYPE_MAX, EXEC_CLEAN_NONE = 0, EXEC_CLEAN_ALL = (1U << (_EXEC_DIRECTORY_TYPE_MAX+1)) - 1, _EXEC_CLEAN_MASK_INVALID = -EINVAL, } ExecCleanMask; /* Encodes configuration parameters applied to invoked commands. Does not carry runtime data, but only configuration * changes sourced from unit files and suchlike. ExecContext objects are usually embedded into Unit objects, and do not * change after being loaded. */ struct ExecContext { char **environment; char **environment_files; char **pass_environment; char **unset_environment; struct rlimit *rlimit[_RLIMIT_MAX]; char *working_directory, *root_directory, *root_image, *root_verity, *root_hash_path, *root_hash_sig_path; void *root_hash, *root_hash_sig; size_t root_hash_size, root_hash_sig_size; LIST_HEAD(MountOptions, root_image_options); bool root_ephemeral; bool working_directory_missing_ok:1; bool working_directory_home:1; bool oom_score_adjust_set:1; bool coredump_filter_set:1; bool nice_set:1; bool ioprio_set:1; bool cpu_sched_set:1; /* This is not exposed to the user but available internally. We need it to make sure that whenever we * spawn /usr/bin/mount it is run in the same process group as us so that the autofs logic detects * that it belongs to us and we don't enter a trigger loop. */ bool same_pgrp; bool cpu_sched_reset_on_fork; bool non_blocking; mode_t umask; int oom_score_adjust; int nice; int ioprio; int cpu_sched_policy; int cpu_sched_priority; uint64_t coredump_filter; CPUSet cpu_set; NUMAPolicy numa_policy; bool cpu_affinity_from_numa; ExecInput std_input; ExecOutput std_output; ExecOutput std_error; /* At least one of stdin/stdout/stderr was initialized from an fd passed in. This boolean survives * the fds being closed. This only makes sense for transient units. */ bool stdio_as_fds; char *stdio_fdname[3]; char *stdio_file[3]; void *stdin_data; size_t stdin_data_size; nsec_t timer_slack_nsec; char *tty_path; bool tty_reset; bool tty_vhangup; bool tty_vt_disallocate; unsigned tty_rows; unsigned tty_cols; bool ignore_sigpipe; ExecKeyringMode keyring_mode; /* Since resolving these names might involve socket * connections and we don't want to deadlock ourselves these * names are resolved on execution only and in the child * process. */ char *user; char *group; char **supplementary_groups; int set_login_environment; char *pam_name; char *utmp_id; ExecUtmpMode utmp_mode; bool no_new_privileges; bool selinux_context_ignore; bool apparmor_profile_ignore; bool smack_process_label_ignore; char *selinux_context; char *apparmor_profile; char *smack_process_label; char **read_write_paths, **read_only_paths, **inaccessible_paths, **exec_paths, **no_exec_paths; char **exec_search_path; unsigned long mount_propagation_flag; BindMount *bind_mounts; size_t n_bind_mounts; TemporaryFileSystem *temporary_filesystems; size_t n_temporary_filesystems; MountImage *mount_images; size_t n_mount_images; MountImage *extension_images; size_t n_extension_images; char **extension_directories; uint64_t capability_bounding_set; uint64_t capability_ambient_set; int secure_bits; int syslog_priority; bool syslog_level_prefix; char *syslog_identifier; struct iovec* log_extra_fields; size_t n_log_extra_fields; Set *log_filter_allowed_patterns; Set *log_filter_denied_patterns; usec_t log_ratelimit_interval_usec; unsigned log_ratelimit_burst; int log_level_max; char *log_namespace; ProtectProc protect_proc; /* hidepid= */ ProcSubset proc_subset; /* subset= */ int private_mounts; int mount_apivfs; int memory_ksm; bool private_tmp; bool private_network; bool private_devices; bool private_users; bool private_ipc; bool protect_kernel_tunables; bool protect_kernel_modules; bool protect_kernel_logs; bool protect_clock; bool protect_control_groups; ProtectSystem protect_system; ProtectHome protect_home; bool protect_hostname; bool dynamic_user; bool remove_ipc; bool memory_deny_write_execute; bool restrict_realtime; bool restrict_suid_sgid; bool lock_personality; unsigned long personality; unsigned long restrict_namespaces; /* The CLONE_NEWxyz flags permitted to the unit's processes */ Set *restrict_filesystems; bool restrict_filesystems_allow_list:1; Hashmap *syscall_filter; Set *syscall_archs; int syscall_errno; bool syscall_allow_list:1; Hashmap *syscall_log; bool syscall_log_allow_list:1; /* Log listed system calls */ bool address_families_allow_list:1; Set *address_families; char *network_namespace_path; char *ipc_namespace_path; ExecDirectory directories[_EXEC_DIRECTORY_TYPE_MAX]; ExecPreserveMode runtime_directory_preserve_mode; usec_t timeout_clean_usec; Hashmap *set_credentials; /* output id → ExecSetCredential */ Hashmap *load_credentials; /* output id → ExecLoadCredential */ Set *import_credentials; ImagePolicy *root_image_policy, *mount_image_policy, *extension_image_policy; }; static inline bool exec_context_restrict_namespaces_set(const ExecContext *c) { assert(c); return (c->restrict_namespaces & NAMESPACE_FLAGS_ALL) != NAMESPACE_FLAGS_ALL; } static inline bool exec_context_restrict_filesystems_set(const ExecContext *c) { assert(c); return c->restrict_filesystems_allow_list || !set_isempty(c->restrict_filesystems); } static inline bool exec_context_with_rootfs(const ExecContext *c) { assert(c); /* Checks if RootDirectory= or RootImage= are used */ return !empty_or_root(c->root_directory) || c->root_image; } typedef enum ExecFlags { EXEC_APPLY_SANDBOXING = 1 << 0, EXEC_APPLY_CHROOT = 1 << 1, EXEC_APPLY_TTY_STDIN = 1 << 2, EXEC_PASS_LOG_UNIT = 1 << 3, /* Whether to pass the unit name to the service's journal stream connection */ EXEC_CHOWN_DIRECTORIES = 1 << 4, /* chown() the runtime/state/cache/log directories to the user we run as, under all conditions */ EXEC_NSS_DYNAMIC_BYPASS = 1 << 5, /* Set the SYSTEMD_NSS_DYNAMIC_BYPASS environment variable, to disable nss-systemd blocking on PID 1, for use by dbus-daemon */ EXEC_CGROUP_DELEGATE = 1 << 6, EXEC_IS_CONTROL = 1 << 7, EXEC_CONTROL_CGROUP = 1 << 8, /* Place the process not in the indicated cgroup but in a subcgroup '/.control', but only EXEC_CGROUP_DELEGATE and EXEC_IS_CONTROL is set, too */ EXEC_SETUP_CREDENTIALS = 1 << 9, /* Set up the credential store logic */ EXEC_SETUP_CREDENTIALS_FRESH = 1 << 10, /* Set up a new credential store (disable reuse) */ /* The following are not used by execute.c, but by consumers internally */ EXEC_PASS_FDS = 1 << 11, EXEC_SETENV_RESULT = 1 << 12, EXEC_SET_WATCHDOG = 1 << 13, EXEC_SETENV_MONITOR_RESULT = 1 << 14, /* Pass exit status to OnFailure= and OnSuccess= dependencies. */ } ExecFlags; /* Parameters for a specific invocation of a command. This structure is put together right before a command is * executed. */ struct ExecParameters { RuntimeScope runtime_scope; char **environment; int *fds; char **fd_names; size_t n_socket_fds; size_t n_storage_fds; ExecFlags flags; bool selinux_context_net:1; CGroupMask cgroup_supported; char *cgroup_path; uint64_t cgroup_id; char **prefix; char *received_credentials_directory; char *received_encrypted_credentials_directory; char *confirm_spawn; bool shall_confirm_spawn; usec_t watchdog_usec; int *idle_pipe; int stdin_fd; int stdout_fd; int stderr_fd; /* An fd that is closed by the execve(), and thus will result in EOF when the execve() is done. */ int exec_fd; char *notify_socket; LIST_HEAD(OpenFile, open_files); char *fallback_smack_process_label; char **files_env; int user_lookup_fd; int handoff_timestamp_fd; int bpf_restrict_fs_map_fd; /* Used for logging in the executor functions */ char *unit_id; sd_id128_t invocation_id; char invocation_id_string[SD_ID128_STRING_MAX]; }; #define EXEC_PARAMETERS_INIT(_flags) \ (ExecParameters) { \ .flags = (_flags), \ .stdin_fd = -EBADF, \ .stdout_fd = -EBADF, \ .stderr_fd = -EBADF, \ .exec_fd = -EBADF, \ .bpf_restrict_fs_map_fd = -EBADF, \ .user_lookup_fd = -EBADF, \ .handoff_timestamp_fd = -EBADF, \ } #include "unit.h" #include "dynamic-user.h" int exec_spawn( Unit *unit, ExecCommand *command, const ExecContext *context, ExecParameters *exec_params, ExecRuntime *runtime, const CGroupContext *cgroup_context, PidRef *ret); void exec_command_done(ExecCommand *c); void exec_command_done_array(ExecCommand *c, size_t n); ExecCommand* exec_command_free(ExecCommand *c); DEFINE_TRIVIAL_CLEANUP_FUNC(ExecCommand*, exec_command_free); ExecCommand* exec_command_free_list(ExecCommand *c); void exec_command_free_array(ExecCommand **c, size_t n); void exec_command_reset_status_array(ExecCommand *c, size_t n); void exec_command_reset_status_list_array(ExecCommand **c, size_t n); 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_command_append_list(ExecCommand **l, ExecCommand *e); int exec_command_set(ExecCommand *c, const char *path, ...) _sentinel_; int exec_command_append(ExecCommand *c, const char *path, ...) _sentinel_; void exec_context_init(ExecContext *c); void exec_context_done(ExecContext *c); void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix); int exec_context_destroy_runtime_directory(const ExecContext *c, const char *runtime_root); int exec_context_destroy_mount_ns_dir(Unit *u); const char* exec_context_fdname(const ExecContext *c, int fd_index); bool exec_context_may_touch_console(const ExecContext *c); bool exec_context_maintains_privileges(const ExecContext *c); int exec_context_get_effective_ioprio(const ExecContext *c); bool exec_context_get_effective_mount_apivfs(const ExecContext *c); void exec_context_free_log_extra_fields(ExecContext *c); void exec_context_revert_tty(ExecContext *c); int exec_context_get_clean_directories(ExecContext *c, char **prefix, ExecCleanMask mask, char ***ret); int exec_context_get_clean_mask(ExecContext *c, ExecCleanMask *ret); const char *exec_context_tty_path(const ExecContext *context); int exec_context_apply_tty_size(const ExecContext *context, int tty_fd, const char *tty_path); void exec_context_tty_reset(const ExecContext *context, const ExecParameters *p); uint64_t exec_context_get_rlimit(const ExecContext *c, const char *name); int exec_context_get_oom_score_adjust(const ExecContext *c); uint64_t exec_context_get_coredump_filter(const ExecContext *c); int exec_context_get_nice(const ExecContext *c); int exec_context_get_cpu_sched_policy(const ExecContext *c); int exec_context_get_cpu_sched_priority(const ExecContext *c); uint64_t exec_context_get_timer_slack_nsec(const ExecContext *c); bool exec_context_get_set_login_environment(const ExecContext *c); char** exec_context_get_syscall_filter(const ExecContext *c); char** exec_context_get_syscall_archs(const ExecContext *c); char** exec_context_get_syscall_log(const ExecContext *c); char** exec_context_get_address_families(const ExecContext *c); char** exec_context_get_restrict_filesystems(const ExecContext *c); void exec_status_start(ExecStatus *s, pid_t pid, const dual_timestamp *ts); void exec_status_exit(ExecStatus *s, const ExecContext *context, pid_t pid, int code, int status); void exec_status_handoff(ExecStatus *s, const struct ucred *ucred, const dual_timestamp *ts); void exec_status_dump(const ExecStatus *s, FILE *f, const char *prefix); void exec_status_reset(ExecStatus *s); int exec_shared_runtime_acquire(Manager *m, const ExecContext *c, const char *name, bool create, ExecSharedRuntime **ret); ExecSharedRuntime *exec_shared_runtime_destroy(ExecSharedRuntime *r); ExecSharedRuntime *exec_shared_runtime_unref(ExecSharedRuntime *r); DEFINE_TRIVIAL_CLEANUP_FUNC(ExecSharedRuntime*, exec_shared_runtime_unref); int exec_shared_runtime_serialize(const Manager *m, FILE *f, FDSet *fds); int exec_shared_runtime_deserialize_compat(Unit *u, const char *key, const char *value, FDSet *fds); int exec_shared_runtime_deserialize_one(Manager *m, const char *value, FDSet *fds); void exec_shared_runtime_done(ExecSharedRuntime *rt); void exec_shared_runtime_vacuum(Manager *m); int exec_runtime_make(const Unit *unit, const ExecContext *context, ExecSharedRuntime *shared, DynamicCreds *creds, ExecRuntime **ret); ExecRuntime* exec_runtime_free(ExecRuntime *rt); DEFINE_TRIVIAL_CLEANUP_FUNC(ExecRuntime*, exec_runtime_free); ExecRuntime* exec_runtime_destroy(ExecRuntime *rt); void exec_runtime_clear(ExecRuntime *rt); int exec_params_get_cgroup_path(const ExecParameters *params, const CGroupContext *c, char **ret); void exec_params_shallow_clear(ExecParameters *p); void exec_params_dump(const ExecParameters *p, FILE* f, const char *prefix); void exec_params_deep_clear(ExecParameters *p); bool exec_context_get_cpu_affinity_from_numa(const ExecContext *c); void exec_directory_done(ExecDirectory *d); int exec_directory_add(ExecDirectory *d, const char *path, const char *symlink); void exec_directory_sort(ExecDirectory *d); bool exec_directory_is_private(const ExecContext *context, ExecDirectoryType type); ExecCleanMask exec_clean_mask_from_string(const char *s); const char* exec_output_to_string(ExecOutput i) _const_; ExecOutput exec_output_from_string(const char *s) _pure_; const char* exec_input_to_string(ExecInput i) _const_; ExecInput exec_input_from_string(const char *s) _pure_; const char* exec_utmp_mode_to_string(ExecUtmpMode i) _const_; ExecUtmpMode exec_utmp_mode_from_string(const char *s) _pure_; const char* exec_preserve_mode_to_string(ExecPreserveMode i) _const_; ExecPreserveMode exec_preserve_mode_from_string(const char *s) _pure_; const char* exec_keyring_mode_to_string(ExecKeyringMode i) _const_; ExecKeyringMode exec_keyring_mode_from_string(const char *s) _pure_; const char* exec_directory_type_to_string(ExecDirectoryType i) _const_; ExecDirectoryType exec_directory_type_from_string(const char *s) _pure_; const char* exec_directory_type_symlink_to_string(ExecDirectoryType i) _const_; ExecDirectoryType exec_directory_type_symlink_from_string(const char *s) _pure_; const char* exec_directory_type_mode_to_string(ExecDirectoryType i) _const_; ExecDirectoryType exec_directory_type_mode_from_string(const char *s) _pure_; const char* exec_resource_type_to_string(ExecDirectoryType i) _const_; ExecDirectoryType exec_resource_type_from_string(const char *s) _pure_; bool exec_needs_mount_namespace(const ExecContext *context, const ExecParameters *params, const ExecRuntime *runtime); bool exec_needs_network_namespace(const ExecContext *context); bool exec_needs_ipc_namespace(const ExecContext *context); /* These logging macros do the same logging as those in unit.h, but using ExecContext and ExecParameters * instead of the unit object, so that it can be used in the sd-executor context (where the unit object is * not available). */ #define LOG_EXEC_ID_FIELD(ep) \ ((ep)->runtime_scope == RUNTIME_SCOPE_USER ? "USER_UNIT=" : "UNIT=") #define LOG_EXEC_ID_FIELD_FORMAT(ep) \ ((ep)->runtime_scope == RUNTIME_SCOPE_USER ? "USER_UNIT=%s" : "UNIT=%s") #define LOG_EXEC_INVOCATION_ID_FIELD(ep) \ ((ep)->runtime_scope == RUNTIME_SCOPE_USER ? "USER_INVOCATION_ID=" : "INVOCATION_ID=") #define LOG_EXEC_INVOCATION_ID_FIELD_FORMAT(ep) \ ((ep)->runtime_scope == RUNTIME_SCOPE_USER ? "USER_INVOCATION_ID=%s" : "INVOCATION_ID=%s") #define log_exec_full_errno_zerook(ec, ep, level, error, ...) \ ({ \ const ExecContext *_c = (ec); \ const ExecParameters *_p = (ep); \ const int _l = (level); \ bool _do_log = _c->log_level_max < 0 || \ _c->log_level_max >= LOG_PRI(_l); \ LOG_CONTEXT_PUSH_IOV(_c->log_extra_fields, \ _c->n_log_extra_fields); \ !_do_log ? -ERRNO_VALUE(error) : \ log_object_internal(_l, error, \ PROJECT_FILE, __LINE__, __func__, \ LOG_EXEC_ID_FIELD(_p), \ _p->unit_id, \ LOG_EXEC_INVOCATION_ID_FIELD(_p), \ _p->invocation_id_string, \ ##__VA_ARGS__); \ }) #define log_exec_full_errno(ec, ep, level, error, ...) \ ({ \ int _error = (error); \ ASSERT_NON_ZERO(_error); \ log_exec_full_errno_zerook(ec, ep, level, _error, ##__VA_ARGS__); \ }) #define log_exec_full(ec, ep, level, ...) (void) log_exec_full_errno_zerook(ec, ep, level, 0, __VA_ARGS__) #define log_exec_debug(ec, ep, ...) log_exec_full(ec, ep, LOG_DEBUG, __VA_ARGS__) #define log_exec_info(ec, ep, ...) log_exec_full(ec, ep, LOG_INFO, __VA_ARGS__) #define log_exec_notice(ec, ep, ...) log_exec_full(ec, ep, LOG_NOTICE, __VA_ARGS__) #define log_exec_warning(ec, ep, ...) log_exec_full(ec, ep, LOG_WARNING, __VA_ARGS__) #define log_exec_error(ec, ep, ...) log_exec_full(ec, ep, LOG_ERR, __VA_ARGS__) #define log_exec_debug_errno(ec, ep, error, ...) log_exec_full_errno(ec, ep, LOG_DEBUG, error, __VA_ARGS__) #define log_exec_info_errno(ec, ep, error, ...) log_exec_full_errno(ec, ep, LOG_INFO, error, __VA_ARGS__) #define log_exec_notice_errno(ec, ep, error, ...) log_exec_full_errno(ec, ep, LOG_NOTICE, error, __VA_ARGS__) #define log_exec_warning_errno(ec, ep, error, ...) log_exec_full_errno(ec, ep, LOG_WARNING, error, __VA_ARGS__) #define log_exec_error_errno(ec, ep, error, ...) log_exec_full_errno(ec, ep, LOG_ERR, error, __VA_ARGS__) /* Like LOG_MESSAGE(), but with the unit name prefixed. */ #define LOG_EXEC_MESSAGE(ep, fmt, ...) LOG_MESSAGE("%s: " fmt, (ep)->unit_id, ##__VA_ARGS__) #define LOG_EXEC_ID(ep) LOG_EXEC_ID_FIELD_FORMAT(ep), (ep)->unit_id #define LOG_EXEC_INVOCATION_ID(ep) LOG_EXEC_INVOCATION_ID_FIELD_FORMAT(ep), (ep)->invocation_id_string #define log_exec_struct_errno(ec, ep, level, error, ...) \ ({ \ const ExecContext *_c = (ec); \ const ExecParameters *_p = (ep); \ const int _l = (level); \ bool _do_log = _c->log_level_max < 0 || \ _c->log_level_max >= LOG_PRI(_l); \ LOG_CONTEXT_PUSH_IOV(_c->log_extra_fields, \ _c->n_log_extra_fields); \ !_do_log ? -ERRNO_VALUE(error) : \ log_struct_errno(_l, error, \ LOG_EXEC_ID(_p), \ LOG_EXEC_INVOCATION_ID(_p), \ __VA_ARGS__); \ }) #define log_exec_struct(ec, ep, level, ...) log_exec_struct_errno(ec, ep, level, 0, __VA_ARGS__) #define _LOG_CONTEXT_PUSH_EXEC(ec, ep, p, c) \ const ExecContext *c = (ec); \ const ExecParameters *p = (ep); \ LOG_CONTEXT_PUSH_KEY_VALUE(LOG_EXEC_ID_FIELD(p), p->unit_id); \ LOG_CONTEXT_PUSH_KEY_VALUE(LOG_EXEC_INVOCATION_ID_FIELD(p), p->invocation_id_string); \ LOG_CONTEXT_PUSH_IOV(c->log_extra_fields, c->n_log_extra_fields) #define LOG_CONTEXT_PUSH_EXEC(ec, ep) \ _LOG_CONTEXT_PUSH_EXEC(ec, ep, UNIQ_T(p, UNIQ), UNIQ_T(c, UNIQ))