Adding upstream version 2.9.4.upstream/2.9.4

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

1 files changed, 198 insertions, 0 deletions

diff --git a/src/sbus/interface/sbus_properties_parser.c b/src/sbus/interface/sbus_properties_parser.c
new file mode 100644
index 0000000..2a94493
--- /dev/null
+++ b/src/sbus/interface/sbus_properties_parser.c
@@ -0,0 +1,198 @@
+/*
+    Authors:
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2017 Red Hat
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <string.h>
+#include <talloc.h>
+
+#include "sbus/sbus_private.h"
+#include "sbus/interface/sbus_iterator_readers.h"
+#include "sbus/interface/sbus_iterator_writers.h"
+
+static errno_t
+sbus_parse_get_value(TALLOC_CTX *mem_ctx,
+                     sbus_value_reader_fn reader,
+                     sbus_value_reader_talloc_fn reader_talloc,
+                     DBusMessageIter *iter,
+                     void *_value_ptr)
+{
+    DBusMessageIter variant;
+
+    if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT) {
+        return ERR_SBUS_INVALID_TYPE;
+    }
+
+    dbus_message_iter_recurse(iter, &variant);
+
+    if (reader != NULL) {
+        return reader(&variant, _value_ptr);
+    }
+
+    return reader_talloc(mem_ctx, &variant, _value_ptr);
+}
+
+errno_t
+sbus_parse_get_message(TALLOC_CTX *mem_ctx,
+                       sbus_value_reader_fn reader,
+                       sbus_value_reader_talloc_fn reader_talloc,
+                       DBusMessage *msg,
+                       void *_value_ptr)
+{
+    DBusMessageIter iterator;
+
+    dbus_message_iter_init(msg, &iterator);
+
+    return sbus_parse_get_value(mem_ctx, reader, reader_talloc,
+                                &iterator, _value_ptr);
+}
+
+static errno_t
+sbus_parse_getall_name(struct sbus_parse_getall_table *table,
+                       DBusMessageIter *dict_iter,
+                       struct sbus_parse_getall_table **_property)
+{
+    const char *name;
+    int type;
+    int i;
+
+    type = dbus_message_iter_get_arg_type(dict_iter);
+    if (type != DBUS_TYPE_STRING) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
+        return ERR_SBUS_INVALID_TYPE;
+    }
+
+    dbus_message_iter_get_basic(dict_iter, &name);
+
+    for (i = 0; table[i].name != NULL; i++) {
+        if (strcmp(table[i].name, name) == 0) {
+            *_property = &table[i];
+            return EOK;
+        }
+    }
+
+    DEBUG(SSSDBG_MINOR_FAILURE, "Unknown property [%s], skipping...\n", name);
+    *_property = NULL;
+
+    return EOK;
+}
+
+static errno_t
+sbus_parse_getall_dict_entry(TALLOC_CTX *mem_ctx,
+                             struct sbus_parse_getall_table *table,
+                             DBusMessageIter *dict_iter)
+{
+    struct sbus_parse_getall_table *property;
+    dbus_bool_t dbret;
+    errno_t ret;
+
+    ret = sbus_parse_getall_name(table, dict_iter, &property);
+    if (ret != EOK) {
+        return ret;
+    }
+
+    dbret = dbus_message_iter_next(dict_iter);
+    if (!dbret) {
+        return ERR_SBUS_INVALID_TYPE;
+    }
+
+    if (property == NULL) {
+        return EOK;
+    }
+
+    ret = sbus_parse_get_value(mem_ctx, property->reader,
+                               property->reader_talloc, dict_iter,
+                               property->destination);
+    if (ret != EOK) {
+        return ret;
+    }
+
+    *(property->is_set) = true;
+
+    return EOK;
+}
+
+static errno_t
+sbus_parse_getall_array(TALLOC_CTX *mem_ctx,
+                        struct sbus_parse_getall_table *table,
+                        DBusMessageIter *array_iter)
+{
+    DBusMessageIter dict_iter;
+    errno_t ret;
+    int type;
+
+    do {
+        type = dbus_message_iter_get_arg_type(array_iter);
+
+        switch (type) {
+        case DBUS_TYPE_INVALID:
+            /* We have reached the end of the array. */
+            return EOK;
+        case DBUS_TYPE_DICT_ENTRY:
+            dbus_message_iter_recurse(array_iter, &dict_iter);
+            ret = sbus_parse_getall_dict_entry(mem_ctx, table, &dict_iter);
+            if (ret != EOK) {
+                return ret;
+            }
+            break;
+        default:
+            DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
+            return  ERR_SBUS_INVALID_TYPE;
+        }
+    } while (dbus_message_iter_next(array_iter));
+
+    return EOK;
+}
+
+errno_t
+sbus_parse_getall_message(TALLOC_CTX *mem_ctx,
+                          struct sbus_parse_getall_table *table,
+                          DBusMessage *msg)
+{
+    DBusMessageIter array_iter;
+    DBusMessageIter iter;
+    errno_t ret;
+    int type;
+
+    dbus_message_iter_init(msg, &iter);
+
+    type = dbus_message_iter_get_arg_type(&iter);
+
+    switch (type) {
+    case DBUS_TYPE_INVALID:
+        /* Empty message. */
+        return EOK;
+    case DBUS_TYPE_ARRAY:
+        dbus_message_iter_recurse(&iter, &array_iter);
+        ret = sbus_parse_getall_array(mem_ctx, table, &array_iter);
+        if (ret != EOK) {
+            return ret;
+        }
+        break;
+    default:
+        DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected type [%d]\n", type);
+        return ERR_SBUS_INVALID_TYPE;
+    }
+
+    if (dbus_message_iter_has_next(&iter)) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "Invalid GetAll reply\n");
+        return ERR_SBUS_INVALID_TYPE;
+    }
+
+    return EOK;
+}