Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 251 insertions, 0 deletions

diff --git a/src/shared/bus-map-properties.c b/src/shared/bus-map-properties.c
new file mode 100644
index 0000000..809759d
--- /dev/null
+++ b/src/shared/bus-map-properties.c
@@ -0,0 +1,251 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-map-properties.h"
+#include "alloc-util.h"
+#include "bus-util.h"
+#include "strv.h"
+#include "bus-message.h"
+
+int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+        sd_id128_t *p = userdata;
+        const void *v;
+        size_t n;
+        int r;
+
+        r = sd_bus_message_read_array(m, SD_BUS_TYPE_BYTE, &v, &n);
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        if (n == 0)
+                *p = SD_ID128_NULL;
+        else if (n == 16)
+                memcpy((*p).bytes, v, n);
+        else
+                return -EINVAL;
+
+        return 0;
+}
+
+int bus_map_strv_sort(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+        _cleanup_strv_free_ char **l = NULL;
+        char ***p = userdata;
+        int r;
+
+        r = sd_bus_message_read_strv_extend(m, &l);
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        r = strv_extend_strv(p, l, false);
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        strv_sort(*p);
+        return 0;
+}
+
+static int map_basic(sd_bus *bus, const char *member, sd_bus_message *m, unsigned flags, sd_bus_error *error, void *userdata) {
+        char type;
+        int r;
+
+        r = sd_bus_message_peek_type(m, &type, NULL);
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        switch (type) {
+
+        case SD_BUS_TYPE_STRING:
+        case SD_BUS_TYPE_OBJECT_PATH: {
+                const char **p = userdata;
+                const char *s;
+
+                r = sd_bus_message_read_basic(m, type, &s);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                if (isempty(s))
+                        s = NULL;
+
+                if (flags & BUS_MAP_STRDUP)
+                        return free_and_strdup((char **) userdata, s);
+
+                *p = s;
+                return 0;
+        }
+
+        case SD_BUS_TYPE_ARRAY: {
+                _cleanup_strv_free_ char **l = NULL;
+                char ***p = userdata;
+
+                r = sd_bus_message_read_strv_extend(m, &l);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                return strv_extend_strv(p, l, false);
+        }
+
+        case SD_BUS_TYPE_BOOLEAN: {
+                int b;
+
+                r = sd_bus_message_read_basic(m, type, &b);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                if (flags & BUS_MAP_BOOLEAN_AS_BOOL)
+                        *(bool*) userdata = b;
+                else
+                        *(int*) userdata = b;
+
+                return 0;
+        }
+
+        case SD_BUS_TYPE_INT32:
+        case SD_BUS_TYPE_UINT32: {
+                uint32_t u, *p = userdata;
+
+                r = sd_bus_message_read_basic(m, type, &u);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                *p = u;
+                return 0;
+        }
+
+        case SD_BUS_TYPE_INT64:
+        case SD_BUS_TYPE_UINT64: {
+                uint64_t t, *p = userdata;
+
+                r = sd_bus_message_read_basic(m, type, &t);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                *p = t;
+                return 0;
+        }
+
+        case SD_BUS_TYPE_DOUBLE: {
+                double d, *p = userdata;
+
+                r = sd_bus_message_read_basic(m, type, &d);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                *p = d;
+                return 0;
+        }}
+
+        return -EOPNOTSUPP;
+}
+
+int bus_message_map_all_properties(
+                sd_bus_message *m,
+                const struct bus_properties_map *map,
+                unsigned flags,
+                sd_bus_error *error,
+                void *userdata) {
+
+        int r;
+
+        assert(m);
+        assert(map);
+
+        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+                const struct bus_properties_map *prop;
+                const char *member;
+                const char *contents;
+                void *v;
+                unsigned i;
+
+                r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &member);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+
+                for (i = 0, prop = NULL; map[i].member; i++)
+                        if (streq(map[i].member, member)) {
+                                prop = &map[i];
+                                break;
+                        }
+
+                if (prop) {
+                        r = sd_bus_message_peek_type(m, NULL, &contents);
+                        if (r < 0)
+                                return bus_log_parse_error_debug(r);
+
+                        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, contents);
+                        if (r < 0)
+                                return bus_log_parse_error_debug(r);
+
+                        v = (uint8_t *)userdata + prop->offset;
+                        if (map[i].set)
+                                r = prop->set(sd_bus_message_get_bus(m), member, m, error, v);
+                        else
+                                r = map_basic(sd_bus_message_get_bus(m), member, m, flags, error, v);
+                        if (r < 0)
+                                return bus_log_parse_error_debug(r);
+
+                        r = sd_bus_message_exit_container(m);
+                        if (r < 0)
+                                return bus_log_parse_error_debug(r);
+                } else {
+                        r = sd_bus_message_skip(m, "v");
+                        if (r < 0)
+                                return bus_log_parse_error_debug(r);
+                }
+
+                r = sd_bus_message_exit_container(m);
+                if (r < 0)
+                        return bus_log_parse_error_debug(r);
+        }
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        r = sd_bus_message_exit_container(m);
+        if (r < 0)
+                return bus_log_parse_error_debug(r);
+
+        return r;
+}
+
+int bus_map_all_properties(
+                sd_bus *bus,
+                const char *destination,
+                const char *path,
+                const struct bus_properties_map *map,
+                unsigned flags,
+                sd_bus_error *error,
+                sd_bus_message **reply,
+                void *userdata) {
+
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+        int r;
+
+        assert(bus);
+        assert(destination);
+        assert(path);
+        assert(map);
+        assert(reply || (flags & BUS_MAP_STRDUP));
+
+        r = sd_bus_call_method(
+                        bus,
+                        destination,
+                        path,
+                        "org.freedesktop.DBus.Properties",
+                        "GetAll",
+                        error,
+                        &m,
+                        "s", "");
+        if (r < 0)
+                return r;
+
+        r = bus_message_map_all_properties(m, map, flags, error, userdata);
+        if (r < 0)
+                return r;
+
+        if (reply)
+                *reply = sd_bus_message_ref(m);
+
+        return r;
+}