ueventd: let scripts provide firmware directories
Since some vendors will have firmware in mount points in
/mnt/vendor/..., we extend the ueventd script language to allow
specifying the firmware directories.
Also, move the existing 4 directories to ueventd.rc as a primary user
of this mechanism.
Bug: 111337229
Test: boot sailfish; firmwares load
Change-Id: I0854b0b786ad761e40d2332312c637610432fce2
diff --git a/init/ueventd_parser.cpp b/init/ueventd_parser.cpp
index f74c878..c114ec7 100644
--- a/init/ueventd_parser.cpp
+++ b/init/ueventd_parser.cpp
@@ -20,6 +20,7 @@
#include <pwd.h>
#include "keyword_map.h"
+#include "parser.h"
namespace android {
namespace init {
@@ -72,6 +73,33 @@
return Success();
}
+Result<Success> ParseFirmwareDirectoriesLine(std::vector<std::string>&& args,
+ std::vector<std::string>* firmware_directories) {
+ if (args.size() < 2) {
+ return Error() << "firmware_directories must have at least 1 entry";
+ }
+
+ std::move(std::next(args.begin()), args.end(), std::back_inserter(*firmware_directories));
+
+ return Success();
+}
+
+class SubsystemParser : public SectionParser {
+ public:
+ SubsystemParser(std::vector<Subsystem>* subsystems) : subsystems_(subsystems) {}
+ Result<Success> ParseSection(std::vector<std::string>&& args, const std::string& filename,
+ int line) override;
+ Result<Success> ParseLineSection(std::vector<std::string>&& args, int line) override;
+ Result<Success> EndSection() override;
+
+ private:
+ Result<Success> ParseDevName(std::vector<std::string>&& args);
+ Result<Success> ParseDirName(std::vector<std::string>&& args);
+
+ Subsystem subsystem_;
+ std::vector<Subsystem>* subsystems_;
+};
+
Result<Success> SubsystemParser::ParseSection(std::vector<std::string>&& args,
const std::string& filename, int line) {
if (args.size() != 2) {
@@ -138,5 +166,29 @@
return Success();
}
+UeventdConfiguration ParseConfig(const std::vector<std::string>& configs) {
+ Parser parser;
+ UeventdConfiguration ueventd_configuration;
+
+ parser.AddSectionParser("subsystem",
+ std::make_unique<SubsystemParser>(&ueventd_configuration.subsystems));
+
+ using namespace std::placeholders;
+ parser.AddSingleLineParser(
+ "/sys/",
+ std::bind(ParsePermissionsLine, _1, &ueventd_configuration.sysfs_permissions, nullptr));
+ parser.AddSingleLineParser("/dev/", std::bind(ParsePermissionsLine, _1, nullptr,
+ &ueventd_configuration.dev_permissions));
+ parser.AddSingleLineParser("firmware_directories",
+ std::bind(ParseFirmwareDirectoriesLine, _1,
+ &ueventd_configuration.firmware_directories));
+
+ for (const auto& config : configs) {
+ parser.ParseConfig(config);
+ }
+
+ return ueventd_configuration;
+}
+
} // namespace init
} // namespace android