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pulse-server: use object serial as index

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Use the lower 32 bits of the object serial as the index. When there is
an overflow, use an invalid index, which will probably result in a
protocol error.
This commit is contained in:
Wim Taymans 2022-01-17 12:48:31 +01:00
parent 1b9a2b6079
commit 1d03923a97
5 changed files with 28 additions and 4 deletions
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5
src/modules/module-protocol-pulse/manager.c
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@ -586,6 +586,7 @@ static void registry_event_global(void *data, uint32_t id,
struct manager *m = data;
struct object *o;
const struct object_info *info;
const char *str;
struct pw_proxy *proxy;
info = find_info(type, version);
@ -603,11 +604,13 @@ static void registry_event_global(void *data, uint32_t id,
pw_proxy_destroy(proxy);
return;
}
str = props ? spa_dict_lookup(props, PW_KEY_OBJECT_SERIAL) : NULL;
spa_atou64(str, &o->this.serial, 0);
o->this.id = id;
o->this.permissions = permissions;
o->this.type = info->type;
o->this.version = version;
o->this.index = id;
o->this.index = o->this.serial < (1ULL<<32) ? o->this.serial : SPA_ID_INVALID;
o->this.props = props ? pw_properties_new_dict(props) : NULL;
o->this.proxy = proxy;
o->this.creating = true;