-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include "alloc-util.h"
#include "bus-internal.h"
-#include "bus-message.h"
#include "bus-match.h"
+#include "bus-message.h"
#include "bus-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "hexdecoct.h"
+#include "string-util.h"
#include "strv.h"
/* Example:
*/
static inline bool BUS_MATCH_IS_COMPARE(enum bus_match_node_type t) {
- return t >= BUS_MATCH_SENDER && t <= BUS_MATCH_ARG_NAMESPACE_LAST;
+ return t >= BUS_MATCH_SENDER && t <= BUS_MATCH_ARG_HAS_LAST;
}
static inline bool BUS_MATCH_CAN_HASH(enum bus_match_node_type t) {
return (t >= BUS_MATCH_MESSAGE_TYPE && t <= BUS_MATCH_PATH) ||
- (t >= BUS_MATCH_ARG && t <= BUS_MATCH_ARG_LAST);
+ (t >= BUS_MATCH_ARG && t <= BUS_MATCH_ARG_LAST) ||
+ (t >= BUS_MATCH_ARG_HAS && t <= BUS_MATCH_ARG_HAS_LAST);
}
static void bus_match_node_free(struct bus_match_node *node) {
case BUS_MATCH_INTERFACE:
case BUS_MATCH_MEMBER:
case BUS_MATCH_PATH:
- case BUS_MATCH_ARG ... BUS_MATCH_ARG_LAST: {
- char **i;
+ case BUS_MATCH_ARG ... BUS_MATCH_ARG_LAST:
if (value_str)
return streq_ptr(node->value.str, value_str);
+ return false;
+
+ case BUS_MATCH_ARG_HAS ... BUS_MATCH_ARG_HAS_LAST: {
+ char **i;
+
STRV_FOREACH(i, value_strv)
if (streq_ptr(node->value.str, *i))
return true;
return false;
}
- case BUS_MATCH_ARG_NAMESPACE ... BUS_MATCH_ARG_NAMESPACE_LAST: {
- char **i;
-
+ case BUS_MATCH_ARG_NAMESPACE ... BUS_MATCH_ARG_NAMESPACE_LAST:
if (value_str)
return namespace_simple_pattern(node->value.str, value_str);
- STRV_FOREACH(i, value_strv)
- if (namespace_simple_pattern(node->value.str, *i))
- return true;
return false;
- }
case BUS_MATCH_PATH_NAMESPACE:
return path_simple_pattern(node->value.str, value_str);
- case BUS_MATCH_ARG_PATH ... BUS_MATCH_ARG_PATH_LAST: {
- char **i;
-
+ case BUS_MATCH_ARG_PATH ... BUS_MATCH_ARG_PATH_LAST:
if (value_str)
return path_complex_pattern(node->value.str, value_str);
- STRV_FOREACH(i, value_strv)
- if (path_complex_pattern(node->value.str, *i))
- return true;
-
return false;
- }
default:
assert_not_reached("Invalid node type");
case BUS_MATCH_MEMBER:
case BUS_MATCH_PATH:
case BUS_MATCH_ARG ... BUS_MATCH_ARG_LAST:
+ case BUS_MATCH_ARG_HAS ... BUS_MATCH_ARG_HAS_LAST:
case BUS_MATCH_ARG_NAMESPACE ... BUS_MATCH_ARG_NAMESPACE_LAST:
case BUS_MATCH_PATH_NAMESPACE:
case BUS_MATCH_ARG_PATH ... BUS_MATCH_ARG_PATH_LAST:
/* Run the callback. And then invoke siblings. */
if (node->leaf.callback->callback) {
- _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
sd_bus_slot *slot;
slot = container_of(node->leaf.callback, sd_bus_slot, match_callback);
bus->current_handler = node->leaf.callback->callback;
bus->current_userdata = slot->userdata;
}
- r = node->leaf.callback->callback(bus, m, slot->userdata, &error_buffer);
+ r = node->leaf.callback->callback(m, slot->userdata, &error_buffer);
if (bus) {
bus->current_userdata = NULL;
bus->current_handler = NULL;
break;
case BUS_MATCH_ARG ... BUS_MATCH_ARG_LAST:
- (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG, &test_str, &test_strv);
+ (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG, &test_str);
break;
case BUS_MATCH_ARG_PATH ... BUS_MATCH_ARG_PATH_LAST:
- (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG_PATH, &test_str, &test_strv);
+ (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG_PATH, &test_str);
break;
case BUS_MATCH_ARG_NAMESPACE ... BUS_MATCH_ARG_NAMESPACE_LAST:
- (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG_NAMESPACE, &test_str, &test_strv);
+ (void) bus_message_get_arg(m, node->type - BUS_MATCH_ARG_NAMESPACE, &test_str);
+ break;
+
+ case BUS_MATCH_ARG_HAS ... BUS_MATCH_ARG_HAS_LAST:
+ (void) bus_message_get_arg_strv(m, node->type - BUS_MATCH_ARG_HAS, &test_strv);
break;
default:
r = bus_match_run(bus, c, m);
if (r != 0)
return r;
+
+ if (bus && bus->match_callbacks_modified)
+ return 0;
}
}
return t;
}
+ if (n == 7 && startswith(k, "arg") && startswith(k + 4, "has")) {
+ int j;
+
+ j = undecchar(k[3]);
+ if (j < 0)
+ return -EINVAL;
+
+ return BUS_MATCH_ARG_HAS + j;
+ }
+
+ if (n == 8 && startswith(k, "arg") && startswith(k + 5, "has")) {
+ enum bus_match_node_type t;
+ int a, b;
+
+ a = undecchar(k[3]);
+ b = undecchar(k[4]);
+ if (a <= 0 || b < 0)
+ return -EINVAL;
+
+ t = BUS_MATCH_ARG_HAS + a * 10 + b;
+ if (t > BUS_MATCH_ARG_HAS_LAST)
+ return -EINVAL;
+
+ return t;
+ }
+
return -EINVAL;
}
if (r < 0)
goto fail;
- free(value);
- value = NULL;
+ value = mfree(value);
} else
u = 0;
return r;
}
+#if 0 /// UNNEEDED by elogind
char *bus_match_to_string(struct bus_match_component *components, unsigned n_components) {
- _cleanup_free_ FILE *f = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
char *buffer = NULL;
size_t size = 0;
unsigned i;
+ int r;
if (n_components <= 0)
return strdup("");
fputc('\'', f);
}
- fflush(f);
- if (ferror(f))
+ r = fflush_and_check(f);
+ if (r < 0)
return NULL;
return buffer;
}
+#endif // 0
int bus_match_add(
struct bus_match_node *root,
snprintf(buf, l, "arg%inamespace", t - BUS_MATCH_ARG_NAMESPACE);
return buf;
+ case BUS_MATCH_ARG_HAS ... BUS_MATCH_ARG_HAS_LAST:
+ snprintf(buf, l, "arg%ihas", t - BUS_MATCH_ARG_HAS);
+ return buf;
+
default:
return NULL;
}
for (c = node->child; c; c = c->next)
bus_match_dump(c, level + 1);
}
+
+enum bus_match_scope bus_match_get_scope(const struct bus_match_component *components, unsigned n_components) {
+ bool found_driver = false;
+ unsigned i;
+
+ if (n_components <= 0)
+ return BUS_MATCH_GENERIC;
+
+ assert(components);
+
+ /* Checks whether the specified match can only match the
+ * pseudo-service for local messages, which we detect by
+ * sender, interface or path. If a match is not restricted to
+ * local messages, then we check if it only matches on the
+ * driver. */
+
+ for (i = 0; i < n_components; i++) {
+ const struct bus_match_component *c = components + i;
+
+ if (c->type == BUS_MATCH_SENDER) {
+ if (streq_ptr(c->value_str, "org.freedesktop.DBus.Local"))
+ return BUS_MATCH_LOCAL;
+
+ if (streq_ptr(c->value_str, "org.freedesktop.DBus"))
+ found_driver = true;
+ }
+
+ if (c->type == BUS_MATCH_INTERFACE && streq_ptr(c->value_str, "org.freedesktop.DBus.Local"))
+ return BUS_MATCH_LOCAL;
+
+ if (c->type == BUS_MATCH_PATH && streq_ptr(c->value_str, "/org/freedesktop/DBus/Local"))
+ return BUS_MATCH_LOCAL;
+ }
+
+ return found_driver ? BUS_MATCH_DRIVER : BUS_MATCH_GENERIC;
+
+}
~ianmdlvl / elogind.git / blobdiff