#include <assert.h>
#include "path-util.h"
+#include "bus-label.h"
#include "util.h"
#include "unit-name.h"
+#include "def.h"
#define VALID_CHARS \
- "0123456789" \
- "abcdefghijklmnopqrstuvwxyz" \
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
+ DIGITS LETTERS \
":-_.\\"
static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = "service",
[UNIT_SOCKET] = "socket",
+ [UNIT_BUSNAME] = "busname",
[UNIT_TARGET] = "target",
+ [UNIT_SNAPSHOT] = "snapshot",
[UNIT_DEVICE] = "device",
[UNIT_MOUNT] = "mount",
[UNIT_AUTOMOUNT] = "automount",
- [UNIT_SNAPSHOT] = "snapshot",
- [UNIT_TIMER] = "timer",
[UNIT_SWAP] = "swap",
+ [UNIT_TIMER] = "timer",
[UNIT_PATH] = "path",
- [UNIT_SLICE] = "slice"
+ [UNIT_SLICE] = "slice",
+ [UNIT_SCOPE] = "scope"
};
DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",
+ [UNIT_NOT_FOUND] = "not-found",
[UNIT_ERROR] = "error",
[UNIT_MERGED] = "merged",
[UNIT_MASKED] = "masked"
DEFINE_STRING_TABLE_LOOKUP(unit_load_state, UnitLoadState);
-bool unit_name_is_valid(const char *n, bool template_ok) {
+bool unit_name_is_valid(const char *n, enum template_valid template_ok) {
const char *e, *i, *at;
/* Valid formats:
*/
assert(n);
+ assert(IN_SET(template_ok, TEMPLATE_VALID, TEMPLATE_INVALID));
if (strlen(n) >= UNIT_NAME_MAX)
return false;
if (at == n)
return false;
- if (!template_ok && at+1 == e)
+ if (!template_ok == TEMPLATE_VALID && at+1 == e)
return false;
}
size_t a, b;
assert(n);
- assert(unit_name_is_valid(n, true));
+ assert(unit_name_is_valid(n, TEMPLATE_VALID));
assert(suffix);
assert(suffix[0] == '.');
}
char *unit_name_path_escape(const char *f) {
- char *p, *e;
+ _cleanup_free_ char *p;
assert(f);
path_kill_slashes(p);
- if (streq(p, "/")) {
- free(p);
+ if (streq(p, "/") || streq(p, ""))
return strdup("-");
- }
- e = unit_name_escape(p[0] == '/' ? p + 1 : p);
- free(p);
-
- return e;
+ return unit_name_escape(p[0] == '/' ? p + 1 : p);
}
char *unit_name_path_unescape(const char *f) {
strcpy(mempcpy(r, f, a), e);
return r;
-
}
char *unit_name_from_path(const char *path, const char *suffix) {
- char *p, *r;
+ _cleanup_free_ char *p = NULL;
assert(path);
assert(suffix);
if (!p)
return NULL;
- r = strappend(p, suffix);
- free(p);
-
- return r;
+ return strappend(p, suffix);
}
char *unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix) {
- char *p, *r;
+ _cleanup_free_ char *p = NULL;
assert(prefix);
assert(path);
if (!p)
return NULL;
- r = strjoin(prefix, "@", p, suffix, NULL);
- free(p);
-
- return r;
+ return strjoin(prefix, "@", p, suffix, NULL);
}
char *unit_name_to_path(const char *name) {
- char *w, *e;
+ _cleanup_free_ char *w = NULL;
assert(name);
if (!w)
return NULL;
- e = unit_name_path_unescape(w);
- free(w);
-
- return e;
+ return unit_name_path_unescape(w);
}
char *unit_dbus_path_from_name(const char *name) {
assert(name);
- e = bus_path_escape(name);
+ e = bus_label_escape(name);
if (!e)
return NULL;
return strappend("/org/freedesktop/systemd1/unit/", e);
}
-char *unit_name_mangle(const char *name) {
+int unit_name_from_dbus_path(const char *path, char **name) {
+ const char *e;
+ char *n;
+
+ e = startswith(path, "/org/freedesktop/systemd1/unit/");
+ if (!e)
+ return -EINVAL;
+
+ n = bus_label_unescape(e);
+ if (!n)
+ return -ENOMEM;
+
+ *name = n;
+ return 0;
+}
+
+
+/**
+ * Try to turn a string that might not be a unit name into a
+ * sensible unit name.
+ */
+char *unit_name_mangle(const char *name, enum unit_name_mangle allow_globs) {
char *r, *t;
const char *f;
+ const char* valid_chars = allow_globs == MANGLE_GLOB ? "@" VALID_CHARS "[]!-*?" : "@" VALID_CHARS;
assert(name);
-
- /* Try to turn a string that might not be a unit name into a
- * sensible unit name. */
+ assert(IN_SET(allow_globs, MANGLE_GLOB, MANGLE_NOGLOB));
if (is_device_path(name))
return unit_name_from_path(name, ".device");
/* We'll only escape the obvious characters here, to play
* safe. */
- r = new(char, strlen(name) * 4 + 1 + sizeof(".service")-1);
+ r = new(char, strlen(name) * 4 + strlen(".service") + 1);
if (!r)
return NULL;
for (f = name, t = r; *f; f++) {
if (*f == '/')
*(t++) = '-';
- else if (!strchr("@" VALID_CHARS, *f))
+ else if (!strchr(valid_chars, *f))
t = do_escape_char(*f, t);
else
*(t++) = *f;
return r;
}
-char *unit_name_mangle_with_suffix(const char *name, const char *suffix) {
+
+/**
+ * Similar to unit_name_mangle(), but is called when we know
+ * that this is about a specific unit type.
+ */
+char *unit_name_mangle_with_suffix(const char *name, enum unit_name_mangle allow_globs, const char *suffix) {
char *r, *t;
const char *f;
assert(suffix);
assert(suffix[0] == '.');
- /* Similar to unit_name_mangle(), but is called when we know
- * that this is about snapshot units. */
-
r = new(char, strlen(name) * 4 + strlen(suffix) + 1);
if (!r)
return NULL;
return unit_type_from_string(e + 1);
}
+
+int build_subslice(const char *slice, const char*name, char **subslice) {
+ char *ret;
+
+ assert(slice);
+ assert(name);
+ assert(subslice);
+
+ if (streq(slice, "-.slice"))
+ ret = strappend(name, ".slice");
+ else {
+ char *e;
+
+ e = endswith(slice, ".slice");
+ if (!e)
+ return -EINVAL;
+
+ ret = new(char, (e - slice) + 1 + strlen(name) + 6 + 1);
+ if (!ret)
+ return -ENOMEM;
+
+ stpcpy(stpcpy(stpcpy(mempcpy(ret, slice, e - slice), "-"), name), ".slice");
+ }
+
+ *subslice = ret;
+ return 0;
+}