On Mon, Jun 18, 2018 at 05:09:32AM -0600, Alex Henrie wrote:
Signed-off-by: Alex Henrie <alexhenrie24(a)gmail.com> --- dlls/ntdll/nt.c | 172 ++++++++++++++++++++++++++++++++++++++++ dlls/ntdll/tests/info.c | 11 ++- 2 files changed, 181 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c index dc0ce04f42..40e36c0ffd 100644 --- a/dlls/ntdll/nt.c +++ b/dlls/ntdll/nt.c @@ -1850,6 +1879,127 @@ static NTSTATUS create_logical_proc_info(SYSTEM_LOGICAL_PROCESSOR_INFORMATION ** } #endif
+static inline void copy_smbios_string(char **buffer, char *s, size_t len) +{ + if (!len) return; + strcpy(*buffer, s); + *buffer += len + 1; +} + +#ifdef linux + +#define FWSS 128 /* firmware string size */ + +static void get_smbios_string(const char *path, char *s, size_t *len) +{ + FILE *file = fopen(path, "r"); + if (!file) + { + *len = 0; + return; + } + + *len = fread(s, 1, FWSS - 1, file);
That's pretty ugly. This function really shouldn't assume the size of the buffer is has to play with.
+ fclose(file); + + if (*len >= 1 && s[*len - 1] == '\n') + { + s[*len - 1] = 0; + (*len)--; + } + else + { + s[*len] = 0; + } +} + +static inline NTSTATUS get_firmware_info(SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti, + ULONG available_len, ULONG *required_len) +{ + switch (sfti->ProviderSignature) + { + case RSMB: + { + char bios_vendor[FWSS], bios_version[FWSS], bios_date[FWSS]; + size_t bios_vendor_len, bios_version_len, bios_date_len; + char *buffer = (char*)sfti->TableBuffer; + BYTE string_count; + struct smbios_prologue *prologue; + struct smbios_bios *bios; + + get_smbios_string("/sys/class/dmi/id/bios_vendor", bios_vendor, &bios_vendor_len); + get_smbios_string("/sys/class/dmi/id/bios_version", bios_version, &bios_version_len); + get_smbios_string("/sys/class/dmi/id/bios_date", bios_date, &bios_date_len); +