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Define the max length of password

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This commit is contained in:
Gary Ching-Pang Lin 2012-09-24 17:27:52 +08:00
parent 215e462b10
commit ff857b4b8d
1 changed files with 6 additions and 3 deletions
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9
MokManager.c
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@ -4,6 +4,8 @@
#include <openssl/x509.h> #include <openssl/x509.h>
#include "shim.h" #include "shim.h"
#define PASSWORD_LENGTH 16
typedef struct { typedef struct {
UINT32 MokSize; UINT32 MokSize;
UINT8 *Mok; UINT8 *Mok;
@ -469,13 +471,14 @@ static UINT8 mok_deletion_prompt () {
static UINT8 get_password (UINT32 *length, CHAR16 *password) static UINT8 get_password (UINT32 *length, CHAR16 *password)
{ {
EFI_INPUT_KEY key; EFI_INPUT_KEY key;
CHAR16 input[16]; CHAR16 input[PASSWORD_LENGTH];
int count = 0; int count = 0;
do { do {
key = get_keystroke(); key = get_keystroke();
if ((count >= 16 && key.UnicodeChar != CHAR_BACKSPACE) || if ((count >= PASSWORD_LENGTH &&
key.UnicodeChar != CHAR_BACKSPACE) ||
key.UnicodeChar == CHAR_NULL || key.UnicodeChar == CHAR_NULL ||
key.UnicodeChar == CHAR_TAB || key.UnicodeChar == CHAR_TAB ||
key.UnicodeChar == CHAR_LINEFEED) { key.UnicodeChar == CHAR_LINEFEED) {
@ -565,7 +568,7 @@ static EFI_STATUS store_keys (void *MokNew, UINTN MokNewSize)
UINT8 auth[SHA256_DIGEST_SIZE]; UINT8 auth[SHA256_DIGEST_SIZE];
UINTN auth_size; UINTN auth_size;
UINT32 attributes; UINT32 attributes;
CHAR16 password[16]; CHAR16 password[PASSWORD_LENGTH];
UINT32 pw_length; UINT32 pw_length;
UINT8 fail_count = 0; UINT8 fail_count = 0;