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string from file function for bad usb #4231

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string from file function for bad usb #4231

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88f95ee
string from file function created
p4p1 May 14, 2025
7c2fb8b
Merge branch 'flipperdevices:dev' into badusb_file_to_string
p4p1 May 21, 2025
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25 changes: 25 additions & 0 deletions applications/main/bad_usb/helpers/ducky_script_commands.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
#include <furi.h>
#include <furi_hal.h>
#include <storage/storage.h>
#include <lib/toolbox/strint.h>
#include "ducky_script.h"
#include "ducky_script_i.h"
Expand Down Expand Up @@ -253,6 +255,28 @@ static int32_t ducky_fnc_mouse_move(BadUsbScript* bad_usb, const char* line, int
return 0;
}

static int32_t ducky_fnc_string_from_file(BadUsbScript* bad_usb, const char* line, int32_t param) {
UNUSED(param);
char buffer[254];
size_t read_bytes;
Storage* storage = furi_record_open("storage");
File* file = storage_file_alloc(storage);

line = &line[ducky_get_command_len(line) + 1];
if (file) {
storage_file_open(file, line, FSAM_READ, FSOM_OPEN_EXISTING);
read_bytes = storage_file_read(file, buffer, sizeof(buffer) - 1);
buffer[read_bytes] = '\0'; // Null-terminate the string
furi_string_set_str(bad_usb->string_print, buffer);
storage_file_close(file);
bool state = ducky_string(bad_usb, furi_string_get_cstr(bad_usb->string_print));
if(!state) {
return ducky_error(bad_usb, "Invalid string %s", line);
}
}
return 0;
}

static const DuckyCmd ducky_commands[] = {
{"REM", NULL, -1},
{"ID", NULL, -1},
Expand All @@ -279,6 +303,7 @@ static const DuckyCmd ducky_commands[] = {
{"MOUSE_MOVE", ducky_fnc_mouse_move, -1},
{"MOUSESCROLL", ducky_fnc_mouse_scroll, -1},
{"MOUSE_SCROLL", ducky_fnc_mouse_scroll, -1},
{"STRING_FROM_FILE", ducky_fnc_string_from_file, -1},
};

#define TAG "BadUsb"
Expand Down
9 changes: 5 additions & 4 deletions documentation/file_formats/BadUsbScriptFormat.md
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Original file line number Diff line number Diff line change
Expand Up @@ -79,10 +79,11 @@ Up to 5 keys can be hold simultaneously.

## String

| Command | Parameters | Notes |
| ------- | ----------- | ----------------- |
| STRING | Text string | Print text string |
| STRINGLN | Text string | Print text string and press enter after it |
| Command | Parameters | Notes |
| ---------------- | ----------- | ----------------- |
| STRING | Text string | Print text string |
| STRINGLN | Text string | Print text string and press enter after it |
| STRING_FROM_FILE | File path | Print text contained in a file |

## String delay

Expand Down