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Added support for extracting firmware from TAR file (with apps) (#1704)

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* Added support for extracting firmware from TAR file (with apps)
* Added tar to usb cdc firmware command.
* Serial flash tar
* Show error on bad tar
* Check tar for valid filenames
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Totoo 2024-01-03 14:05:24 +01:00 • committed by GitHub
parent d122a8fc3b
commit fbe7954f2e
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 251 additions and 4 deletions
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38
firmware/application/usb_serial_shell.cpp
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@ -40,6 +40,7 @@
#include "ff.h"
#include "chprintf.h"
#include "chqueues.h"
#include "untar.hpp"
#include <string>
#include <codecvt>
@ -156,6 +157,15 @@ std::filesystem::path path_from_string8(char* path) {
return conv.from_bytes(path);
}
bool strEndsWith(const std::u16string& str, const std::u16string& suffix) {
if (str.length() >= suffix.length()) {
std::u16string endOfString = str.substr(str.length() - suffix.length());
return endOfString == suffix;
} else {
return false;
}
}
static void cmd_flash(BaseSequentialStream* chp, int argc, char* argv[]) {
if (argc != 1) {
chprintf(chp, "Usage: flash /FIRMWARE/portapack-h1_h2-mayhem.bin\r\n");
@ -163,15 +173,37 @@ static void cmd_flash(BaseSequentialStream* chp, int argc, char* argv[]) {
}
auto path = path_from_string8(argv[0]);
size_t filename_length = strlen(argv[0]);
if (!std::filesystem::file_exists(path)) {
chprintf(chp, "file not found.\r\n");
return;
}
std::memcpy(&shared_memory.bb_data.data[0], path.c_str(), (filename_length + 1) * 2);
// check file extensions
if (strEndsWith(path.native(), u".ppfw.tar")) {
// extract tar
chprintf(chp, "Extracting TAR file.\r\n");
auto res = UnTar::untar(
path.native(), [chp](const std::string fileName) {
chprintf(chp, fileName.c_str());
chprintf(chp, "\r\n");
});
if (res.empty()) {
chprintf(chp, "error bad TAR file.\r\n");
return;
}
path = res; // it will contain the last bin file in tar
} else if (strEndsWith(path.native(), u".bin")) {
// nothing to do for this case yet.
} else {
chprintf(chp, "error only .bin or .ppfw.tar files canbe flashed.\r\n");
return;
}
chprintf(chp, "Flashing: ");
chprintf(chp, path.string().c_str());
chprintf(chp, "\r\n");
chThdSleepMilliseconds(50);
std::memcpy(&shared_memory.bb_data.data[0], path.native().c_str(), (path.native().length() + 1) * 2);
m4_request_shutdown();
chThdSleepMilliseconds(50);
m4_init(portapack::spi_flash::image_tag_flash_utility, portapack::memory::map::m4_code, false);