Mirror/Momentum-Firmware
1
0
Fork 0
mirror of https://github.com/Next-Flip/Momentum-Firmware.git synced 2026-04-24 03:29:57 -07:00
Code Issues Packages Projects Releases Wiki Activity

Fix snprintf truncation issue in altPrintln

Browse Source
This commit is contained in:
oldip
2024-03-18 15:19:35 +08:00
parent 8e44322a15
commit e790ffad3a
1 changed files with 14 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
applications/system/js_app/modules/js_badusb.c
View File

@@ -409,18 +409,25 @@ static void js_badusb_altPrintln(struct mjs* mjs) {
size_t str_len;
const char* str = mjs_get_string(mjs, &str_val, &str_len);
// Corrected part in the js_badusb_altPrintln function
for(size_t i = 0; i < str_len; ++i) {
uint8_t ascii_code = (uint8_t)str[i];
// Simulating pressing the ALT key
furi_hal_hid_kb_press(KEY_MOD_LEFT_ALT);
// Inputting the ASCII code numbers
char ascii_str[5];
snprintf(ascii_str, sizeof(ascii_str), "%u", ascii_code);
for(size_t j = 0; ascii_str[j] != '\0'; ++j) {
uint16_t numpad_keycode = get_keycode_by_name((const char[]){'NUMPAD_', ascii_str[j], '\0'}, 3);
// Preparing to input the ASCII code numbers
char numpad_sequence[16]; // Adjust to a larger array size to accommodate the complete string
// For each character's ASCII code, convert it to a string with NUMPAD_ prefix
int num_digits = snprintf(NULL, 0, "%u", ascii_code); // Determine the number of digits in the ASCII code
snprintf(numpad_sequence, sizeof(numpad_sequence), "NUMPAD_%u", ascii_code); // Construct the string for numpad sequence
// For each digit in the constructed NUMPAD_ string, find the corresponding keycode and simulate key press
for(int digit_index = 7; digit_index < 7 + num_digits; ++digit_index) {
char digit_str[2] = {numpad_sequence[digit_index], '\0'}; // Create a string for each digit
uint16_t numpad_keycode = get_keycode_by_name(digit_str, 1); // Get the keycode for the digit
if(numpad_keycode != HID_KEYBOARD_NONE) {
furi_hal_hid_kb_press(numpad_keycode);
furi_hal_hid_kb_release(numpad_keycode);
furi_hal_hid_kb_press(numpad_keycode); // Press the digit key
furi_hal_hid_kb_release(numpad_keycode); // Release the digit key
}
}
// Releasing the ALT key