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Commit 3c2086da authored by Andres Morales's avatar Andres Morales
Browse files

[gatekeeperd] clear state and mark on cold boot 

required to initialize state by certain HAL impls

Bug: 22011857
Change-Id: Ibb01a799da983e1a930aae946c331b23f571861d
parent b2856ddb

gatekeeperd/gatekeeperd.cpp

+25 −0
Original line number Diff line number Diff line
@@ -58,6 +58,13 @@ public: 
            if (ret < 0)

                LOG_ALWAYS_FATAL_IF(ret < 0, "Unable to open GateKeeper HAL");

        }



        if (mark_cold_boot()) {

            ALOGI("cold boot: clearing state");

            if (device != NULL && device->delete_all_users != NULL) {

                device->delete_all_users(device);

            }

        }

    }



    virtual ~GateKeeperProxy() {
@@ -76,6 +83,20 @@ public: 
        close(fd);

    }



    bool mark_cold_boot() {

        const char *filename = ".coldboot";

        if (access(filename, F_OK) == -1) {

            int fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR);

            if (fd < 0) {

                ALOGE("could not open file: %s : %s", filename, strerror(errno));

                return false;

            }

            close(fd);

            return true;

        }

        return false;

    }



    void maybe_store_sid(uint32_t uid, uint64_t sid) {

        char filename[21];

        sprintf(filename, "%u", uid);
@@ -249,6 +270,10 @@ public: 
            return;

        }

        clear_sid(uid);



        if (device != NULL && device->delete_user != NULL) {

            device->delete_user(device, uid);

        }

    }



    virtual status_t dump(int fd, const Vector<String16> &) {