X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Funit-name.c;h=463301eebffdac579a9ebe3d1a978f7071b620bb;hp=f8965262c1130c806250532d44160554214fa247;hb=d96290d8fd01ba77eec7f4a5fb493bc1ff80a98b;hpb=21ecddbbb2c9e06d080b2526a870898a8b90f52a diff --git a/src/basic/unit-name.c b/src/basic/unit-name.c index f8965262c..463301eeb 100644 --- a/src/basic/unit-name.c +++ b/src/basic/unit-name.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -20,19 +18,38 @@ ***/ #include +#include +#include +#include #include -#include "path-util.h" +#include "alloc-util.h" #include "bus-label.h" -#include "util.h" -#include "unit-name.h" -#include "def.h" +//#include "glob-util.h" +#include "hexdecoct.h" +#include "macro.h" +#include "path-util.h" +#include "string-table.h" +#include "string-util.h" #include "strv.h" +#include "unit-name.h" +/* Characters valid in a unit name. */ #define VALID_CHARS \ - DIGITS LETTERS \ + DIGITS \ + LETTERS \ ":-_.\\" +/* The same, but also permits the single @ character that may appear */ +#define VALID_CHARS_WITH_AT \ + "@" \ + VALID_CHARS + +/* All chars valid in a unit name glob */ +#define VALID_CHARS_GLOB \ + VALID_CHARS_WITH_AT \ + "[]!-*?" + bool unit_name_is_valid(const char *n, UnitNameFlags flags) { const char *e, *i, *at; @@ -118,6 +135,7 @@ bool unit_suffix_is_valid(const char *s) { return true; } +#if 0 /// UNNEEDED by elogind int unit_name_to_prefix(const char *n, char **ret) { const char *p; char *s; @@ -142,8 +160,6 @@ int unit_name_to_prefix(const char *n, char **ret) { return 0; } -/// UNNEEDED by elogind -#if 0 int unit_name_to_instance(const char *n, char **instance) { const char *p, *d; char *i; @@ -196,7 +212,6 @@ int unit_name_to_prefix_and_instance(const char *n, char **ret) { *ret = s; return 0; } -#endif // 0 UnitType unit_name_to_type(const char *n) { const char *e; @@ -211,8 +226,6 @@ UnitType unit_name_to_type(const char *n) { return unit_type_from_string(e + 1); } -/// UNNEEDED by elogind -#if 0 int unit_name_change_suffix(const char *n, const char *suffix, char **ret) { char *e, *s; size_t a, b; @@ -270,6 +283,7 @@ int unit_name_build(const char *prefix, const char *instance, const char *suffix return 0; } +#if 0 /// UNNEEDED by elogind static char *do_escape_char(char c, char *t) { assert(t); @@ -443,8 +457,6 @@ int unit_name_path_unescape(const char *f, char **ret) { return 0; } -/// UNNEEDED by elogind -#if 0 int unit_name_replace_instance(const char *f, const char *i, char **ret) { const char *p, *e; char *s; @@ -500,7 +512,6 @@ int unit_name_template(const char *f, char **ret) { *ret = s; return 0; } -#endif // 0 int unit_name_from_path(const char *path, const char *suffix, char **ret) { _cleanup_free_ char *p = NULL; @@ -526,8 +537,6 @@ int unit_name_from_path(const char *path, const char *suffix, char **ret) { return 0; } -/// UNNEEDED by elogind -#if 0 int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret) { _cleanup_free_ char *p = NULL; char *s; @@ -568,7 +577,6 @@ int unit_name_to_path(const char *name, char **ret) { return unit_name_path_unescape(prefix, ret); } -#endif // 0 char *unit_dbus_path_from_name(const char *name) { _cleanup_free_ char *e = NULL; @@ -598,6 +606,41 @@ int unit_name_from_dbus_path(const char *path, char **name) { return 0; } +const char* unit_dbus_interface_from_type(UnitType t) { + + static const char *const table[_UNIT_TYPE_MAX] = { + [UNIT_SERVICE] = "org.freedesktop.systemd1.Service", + [UNIT_SOCKET] = "org.freedesktop.systemd1.Socket", + [UNIT_BUSNAME] = "org.freedesktop.systemd1.BusName", + [UNIT_TARGET] = "org.freedesktop.systemd1.Target", + [UNIT_DEVICE] = "org.freedesktop.systemd1.Device", + [UNIT_MOUNT] = "org.freedesktop.systemd1.Mount", + [UNIT_AUTOMOUNT] = "org.freedesktop.systemd1.Automount", + [UNIT_SWAP] = "org.freedesktop.systemd1.Swap", + [UNIT_TIMER] = "org.freedesktop.systemd1.Timer", + [UNIT_PATH] = "org.freedesktop.systemd1.Path", + [UNIT_SLICE] = "org.freedesktop.systemd1.Slice", + [UNIT_SCOPE] = "org.freedesktop.systemd1.Scope", + }; + + if (t < 0) + return NULL; + if (t >= _UNIT_TYPE_MAX) + return NULL; + + return table[t]; +} + +const char *unit_dbus_interface_from_name(const char *name) { + UnitType t; + + t = unit_name_to_type(name); + if (t < 0) + return NULL; + + return unit_dbus_interface_from_type(t); +} + static char *do_escape_mangle(const char *f, UnitNameMangle allow_globs, char *t) { const char *valid_chars; @@ -608,7 +651,7 @@ static char *do_escape_mangle(const char *f, UnitNameMangle allow_globs, char *t /* We'll only escape the obvious characters here, to play * safe. */ - valid_chars = allow_globs == UNIT_NAME_GLOB ? "@" VALID_CHARS "[]!-*?" : "@" VALID_CHARS; + valid_chars = allow_globs == UNIT_NAME_GLOB ? VALID_CHARS_GLOB : VALID_CHARS_WITH_AT; for (; *f; f++) { if (*f == '/') @@ -627,7 +670,7 @@ static char *do_escape_mangle(const char *f, UnitNameMangle allow_globs, char *t * /blah/blah is converted to blah-blah.mount, anything else is left alone, * except that @suffix is appended if a valid unit suffix is not present. * - * If @allow_globs, globs characters are preserved. Otherwise they are escaped. + * If @allow_globs, globs characters are preserved. Otherwise, they are escaped. */ int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, const char *suffix, char **ret) { char *s, *t; @@ -643,15 +686,15 @@ int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, c if (!unit_suffix_is_valid(suffix)) return -EINVAL; - if (unit_name_is_valid(name, UNIT_NAME_ANY)) { - /* No mangling necessary... */ - s = strdup(name); - if (!s) - return -ENOMEM; + /* Already a fully valid unit name? If so, no mangling is necessary... */ + if (unit_name_is_valid(name, UNIT_NAME_ANY)) + goto good; - *ret = s; - return 0; - } + /* Already a fully valid globbing expression? If so, no mangling is necessary either... */ + if (allow_globs == UNIT_NAME_GLOB && + string_is_glob(name) && + in_charset(name, VALID_CHARS_GLOB)) + goto good; if (is_device_path(name)) { r = unit_name_from_path(name, ".device", ret); @@ -676,15 +719,23 @@ int unit_name_mangle_with_suffix(const char *name, UnitNameMangle allow_globs, c t = do_escape_mangle(name, allow_globs, s); *t = 0; - if (unit_name_to_type(s) < 0) + /* Append a suffix if it doesn't have any, but only if this is not a glob, so that we can allow "foo.*" as a + * valid glob. */ + if ((allow_globs != UNIT_NAME_GLOB || !string_is_glob(s)) && unit_name_to_type(s) < 0) strcpy(t, suffix); *ret = s; return 1; + +good: + s = strdup(name); + if (!s) + return -ENOMEM; + + *ret = s; + return 0; } -/// UNNEEDED by elogind -#if 0 int slice_build_parent_slice(const char *slice, char **ret) { char *s, *dash; int r; @@ -710,7 +761,7 @@ int slice_build_parent_slice(const char *slice, char **ret) { else { r = free_and_strdup(&s, "-.slice"); if (r < 0) { - free(s); + free(s); return r; } } @@ -794,7 +845,6 @@ static const char* const unit_type_table[_UNIT_TYPE_MAX] = { [UNIT_SOCKET] = "socket", [UNIT_BUSNAME] = "busname", [UNIT_TARGET] = "target", - [UNIT_SNAPSHOT] = "snapshot", [UNIT_DEVICE] = "device", [UNIT_MOUNT] = "mount", [UNIT_AUTOMOUNT] = "automount", @@ -802,11 +852,12 @@ static const char* const unit_type_table[_UNIT_TYPE_MAX] = { [UNIT_TIMER] = "timer", [UNIT_PATH] = "path", [UNIT_SLICE] = "slice", - [UNIT_SCOPE] = "scope" + [UNIT_SCOPE] = "scope", }; DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType); +#if 0 /// UNNEEDED by elogind static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = { [UNIT_STUB] = "stub", [UNIT_LOADED] = "loaded", @@ -818,18 +869,171 @@ static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = { DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState); +static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = { + [UNIT_ACTIVE] = "active", + [UNIT_RELOADING] = "reloading", + [UNIT_INACTIVE] = "inactive", + [UNIT_FAILED] = "failed", + [UNIT_ACTIVATING] = "activating", + [UNIT_DEACTIVATING] = "deactivating" +}; + +DEFINE_STRING_TABLE_LOOKUP(unit_active_state, UnitActiveState); + +static const char* const automount_state_table[_AUTOMOUNT_STATE_MAX] = { + [AUTOMOUNT_DEAD] = "dead", + [AUTOMOUNT_WAITING] = "waiting", + [AUTOMOUNT_RUNNING] = "running", + [AUTOMOUNT_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(automount_state, AutomountState); + +static const char* const busname_state_table[_BUSNAME_STATE_MAX] = { + [BUSNAME_DEAD] = "dead", + [BUSNAME_MAKING] = "making", + [BUSNAME_REGISTERED] = "registered", + [BUSNAME_LISTENING] = "listening", + [BUSNAME_RUNNING] = "running", + [BUSNAME_SIGTERM] = "sigterm", + [BUSNAME_SIGKILL] = "sigkill", + [BUSNAME_FAILED] = "failed", +}; + +DEFINE_STRING_TABLE_LOOKUP(busname_state, BusNameState); + +static const char* const device_state_table[_DEVICE_STATE_MAX] = { + [DEVICE_DEAD] = "dead", + [DEVICE_TENTATIVE] = "tentative", + [DEVICE_PLUGGED] = "plugged", +}; + +DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState); + +static const char* const mount_state_table[_MOUNT_STATE_MAX] = { + [MOUNT_DEAD] = "dead", + [MOUNT_MOUNTING] = "mounting", + [MOUNT_MOUNTING_DONE] = "mounting-done", + [MOUNT_MOUNTED] = "mounted", + [MOUNT_REMOUNTING] = "remounting", + [MOUNT_UNMOUNTING] = "unmounting", + [MOUNT_MOUNTING_SIGTERM] = "mounting-sigterm", + [MOUNT_MOUNTING_SIGKILL] = "mounting-sigkill", + [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm", + [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill", + [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm", + [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill", + [MOUNT_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState); + +static const char* const path_state_table[_PATH_STATE_MAX] = { + [PATH_DEAD] = "dead", + [PATH_WAITING] = "waiting", + [PATH_RUNNING] = "running", + [PATH_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(path_state, PathState); + +static const char* const scope_state_table[_SCOPE_STATE_MAX] = { + [SCOPE_DEAD] = "dead", + [SCOPE_RUNNING] = "running", + [SCOPE_ABANDONED] = "abandoned", + [SCOPE_STOP_SIGTERM] = "stop-sigterm", + [SCOPE_STOP_SIGKILL] = "stop-sigkill", + [SCOPE_FAILED] = "failed", +}; + +DEFINE_STRING_TABLE_LOOKUP(scope_state, ScopeState); + +static const char* const service_state_table[_SERVICE_STATE_MAX] = { + [SERVICE_DEAD] = "dead", + [SERVICE_START_PRE] = "start-pre", + [SERVICE_START] = "start", + [SERVICE_START_POST] = "start-post", + [SERVICE_RUNNING] = "running", + [SERVICE_EXITED] = "exited", + [SERVICE_RELOAD] = "reload", + [SERVICE_STOP] = "stop", + [SERVICE_STOP_SIGABRT] = "stop-sigabrt", + [SERVICE_STOP_SIGTERM] = "stop-sigterm", + [SERVICE_STOP_SIGKILL] = "stop-sigkill", + [SERVICE_STOP_POST] = "stop-post", + [SERVICE_FINAL_SIGTERM] = "final-sigterm", + [SERVICE_FINAL_SIGKILL] = "final-sigkill", + [SERVICE_FAILED] = "failed", + [SERVICE_AUTO_RESTART] = "auto-restart", +}; + +DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); + +static const char* const slice_state_table[_SLICE_STATE_MAX] = { + [SLICE_DEAD] = "dead", + [SLICE_ACTIVE] = "active" +}; + +DEFINE_STRING_TABLE_LOOKUP(slice_state, SliceState); + +static const char* const socket_state_table[_SOCKET_STATE_MAX] = { + [SOCKET_DEAD] = "dead", + [SOCKET_START_PRE] = "start-pre", + [SOCKET_START_CHOWN] = "start-chown", + [SOCKET_START_POST] = "start-post", + [SOCKET_LISTENING] = "listening", + [SOCKET_RUNNING] = "running", + [SOCKET_STOP_PRE] = "stop-pre", + [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm", + [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill", + [SOCKET_STOP_POST] = "stop-post", + [SOCKET_FINAL_SIGTERM] = "final-sigterm", + [SOCKET_FINAL_SIGKILL] = "final-sigkill", + [SOCKET_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState); + +static const char* const swap_state_table[_SWAP_STATE_MAX] = { + [SWAP_DEAD] = "dead", + [SWAP_ACTIVATING] = "activating", + [SWAP_ACTIVATING_DONE] = "activating-done", + [SWAP_ACTIVE] = "active", + [SWAP_DEACTIVATING] = "deactivating", + [SWAP_ACTIVATING_SIGTERM] = "activating-sigterm", + [SWAP_ACTIVATING_SIGKILL] = "activating-sigkill", + [SWAP_DEACTIVATING_SIGTERM] = "deactivating-sigterm", + [SWAP_DEACTIVATING_SIGKILL] = "deactivating-sigkill", + [SWAP_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState); + +static const char* const target_state_table[_TARGET_STATE_MAX] = { + [TARGET_DEAD] = "dead", + [TARGET_ACTIVE] = "active" +}; + +DEFINE_STRING_TABLE_LOOKUP(target_state, TargetState); + +static const char* const timer_state_table[_TIMER_STATE_MAX] = { + [TIMER_DEAD] = "dead", + [TIMER_WAITING] = "waiting", + [TIMER_RUNNING] = "running", + [TIMER_ELAPSED] = "elapsed", + [TIMER_FAILED] = "failed" +}; + +DEFINE_STRING_TABLE_LOOKUP(timer_state, TimerState); + static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = { [UNIT_REQUIRES] = "Requires", - [UNIT_REQUIRES_OVERRIDABLE] = "RequiresOverridable", [UNIT_REQUISITE] = "Requisite", - [UNIT_REQUISITE_OVERRIDABLE] = "RequisiteOverridable", [UNIT_WANTS] = "Wants", [UNIT_BINDS_TO] = "BindsTo", [UNIT_PART_OF] = "PartOf", [UNIT_REQUIRED_BY] = "RequiredBy", - [UNIT_REQUIRED_BY_OVERRIDABLE] = "RequiredByOverridable", [UNIT_REQUISITE_OF] = "RequisiteOf", - [UNIT_REQUISITE_OF_OVERRIDABLE] = "RequisiteOfOverridable", [UNIT_WANTED_BY] = "WantedBy", [UNIT_BOUND_BY] = "BoundBy", [UNIT_CONSISTS_OF] = "ConsistsOf", @@ -848,3 +1052,4 @@ static const char* const unit_dependency_table[_UNIT_DEPENDENCY_MAX] = { }; DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency); +#endif // 0