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Get the host machine ID when running on Windows

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This commit is contained in:
Richard Hughes 2022-02-07 15:30:22 +00:00
parent 915c4805f5
commit 930e6f4e52
1 changed files with 40 additions and 5 deletions
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45
src/fu-engine.c
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@ -19,6 +19,12 @@
#endif
#include <errno.h>
#ifdef _WIN32
#include <sysinfoapi.h>
#include <winerror.h>
#include <winreg.h>
#endif
#include "fwupd-common-private.h"
#include "fwupd-enums-private.h"
#include "fwupd-error.h"
@ -6980,6 +6986,31 @@ fu_engine_load_local_metadata_watches(FuEngine *self, GError **error)
return TRUE;
}
#ifdef _WIN32
static gchar *
fu_common_win32_registry_get_string(HKEY hkey,
const gchar *subkey,
const gchar *value,
GError **error)
{
gchar buf[255] = {'\0'};
DWORD bufsz = sizeof(buf);
LSTATUS rc;
rc = RegGetValue(hkey, subkey, value, RRF_RT_REG_SZ, NULL, (PVOID)&buf, &bufsz);
if (rc != ERROR_SUCCESS) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVAL,
"Failed to get registry string %s [0x%lX]",
subkey,
(unsigned long)rc);
return NULL;
}
return g_strndup(buf, bufsz);
}
#endif
/**
* fu_engine_load:
* @self: a #FuEngine
@ -6999,9 +7030,8 @@ fu_engine_load(FuEngine *self, FuEngineLoadFlags flags, GError **error)
g_autoptr(GPtrArray) checksums_approved = NULL;
g_autoptr(GPtrArray) checksums_blocked = NULL;
g_autoptr(GError) error_quirks = NULL;
#ifndef _WIN32
g_autoptr(GError) error_local = NULL;
#endif
g_return_val_if_fail(FU_IS_ENGINE(self), FALSE);
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
@ -7029,13 +7059,18 @@ fu_engine_load(FuEngine *self, FuEngineLoadFlags flags, GError **error)
return FALSE;
}
/* TODO: Read registry key [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography] "MachineGuid" */
#ifndef _WIN32
/* cache machine ID so we can use it from a sandboxed app */
#ifdef _WIN32
self->host_machine_id =
fu_common_win32_registry_get_string(HKEY_LOCAL_MACHINE,
"SOFTWARE\\Microsoft\\Cryptography",
"MachineGuid",
&error_local);
#else
self->host_machine_id = fwupd_build_machine_id("fwupd", &error_local);
#endif
if (self->host_machine_id == NULL)
g_debug("failed to build machine-id: %s", error_local->message);
#endif
/* ensure these exist before starting */
if (!fu_engine_ensure_paths_exist(error))