[PATCH v3 2/4] kernel32: Return system info from GetSystemFirmwareTable on Linux
Alex Henrie
alexhenrie24 at gmail.com
Wed Jun 13 09:30:29 CDT 2018
Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
---
dlls/kernel32/cpu.c | 51 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/dlls/kernel32/cpu.c b/dlls/kernel32/cpu.c
index 4dd9bb628a..95eea25a57 100644
--- a/dlls/kernel32/cpu.c
+++ b/dlls/kernel32/cpu.c
@@ -68,6 +68,16 @@ struct smbios_bios {
UINT64 characteristics;
};
+struct smbios_system {
+ BYTE type;
+ BYTE length;
+ WORD handle;
+ BYTE manufacturer;
+ BYTE product;
+ BYTE version;
+ BYTE serial;
+};
+
#include "poppack.h"
#define SHARED_DATA ((KSHARED_USER_DATA*)0x7ffe0000)
@@ -412,18 +422,29 @@ UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, void *buffer, DWORD
#ifdef linux
char *bios_manufacturer, *bios_version, *bios_date;
size_t bios_manufacturer_size, bios_version_size, bios_date_size;
+ char *system_manufacturer, *system_product, *system_version, *system_serial;
+ size_t system_manufacturer_size, system_product_size, system_version_size, system_serial_size;
size_t required_size = sizeof(struct smbios_prologue);
BYTE string_count;
struct smbios_prologue *prologue;
struct smbios_bios *bios;
+ struct smbios_system *system;
bios_manufacturer = get_smbios_string("/sys/class/dmi/id/bios_vendor", &bios_manufacturer_size);
bios_version = get_smbios_string("/sys/class/dmi/id/bios_version", &bios_version_size);
bios_date = get_smbios_string("/sys/class/dmi/id/bios_date", &bios_date_size);
+ system_manufacturer = get_smbios_string("/sys/class/dmi/id/sys_vendor", &system_manufacturer_size);
+ system_product = get_smbios_string("/sys/class/dmi/id/product", &system_product_size);
+ system_version = get_smbios_string("/sys/class/dmi/id/product_version", &system_version_size);
+ system_serial = get_smbios_string("/sys/class/dmi/id/product_serial", &system_serial_size);
required_size += sizeof(struct smbios_bios);
required_size += max(bios_manufacturer_size + bios_version_size + bios_date_size + 1, 2);
+ required_size += sizeof(struct smbios_system);
+ required_size += max(system_manufacturer_size + system_product_size + system_version_size +
+ system_serial_size + 1, 2);
+
if (required_size > size)
return required_size;
@@ -454,6 +475,32 @@ UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, void *buffer, DWORD
copy_smbios_string(&buffer, bios_version, bios_version_size);
copy_smbios_string(&buffer, bios_date, bios_date_size);
memset(buffer, 0, 1);
+ buffer = (char*)buffer + 1;
+ }
+ else
+ {
+ memset(buffer, 0, 2);
+ buffer = (char*)buffer + 2;
+ }
+
+ string_count = 0;
+ system = (struct smbios_system*)buffer;
+ system->type = 1;
+ system->length = sizeof(struct smbios_system);
+ system->handle = 0;
+ system->manufacturer = system_manufacturer ? ++string_count : 0;
+ system->product = system_product ? ++string_count : 0;
+ system->version = system_version ? ++string_count : 0;
+ system->serial = system_serial ? ++string_count : 0;
+ buffer = (char*)buffer + sizeof(struct smbios_system);
+
+ if (string_count)
+ {
+ copy_smbios_string(&buffer, system_manufacturer, system_manufacturer_size);
+ copy_smbios_string(&buffer, system_product, system_product_size);
+ copy_smbios_string(&buffer, system_version, system_version_size);
+ copy_smbios_string(&buffer, system_serial, system_serial_size);
+ memset(buffer, 0, 1);
}
else
{
@@ -463,6 +510,10 @@ UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, void *buffer, DWORD
free(bios_manufacturer);
free(bios_version);
free(bios_date);
+ free(system_manufacturer);
+ free(system_product);
+ free(system_version);
+ free(system_serial);
return required_size;
#endif
--
2.17.1
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