Revert "Add old version check to OTA update" (#5212)

This commit is contained in:
Will Miles
2025-12-19 20:24:26 -05:00
committed by GitHub
parent fdb85d82da
commit 304c59e09b
2 changed files with 3 additions and 39 deletions

View File

@@ -16,7 +16,7 @@
#endif #endif
constexpr uint32_t WLED_CUSTOM_DESC_MAGIC = 0x57535453; // "WSTS" (WLED System Tag Structure) constexpr uint32_t WLED_CUSTOM_DESC_MAGIC = 0x57535453; // "WSTS" (WLED System Tag Structure)
constexpr uint32_t WLED_CUSTOM_DESC_VERSION = 2; // v1 - original PR; v2 - "safe to update from" version constexpr uint32_t WLED_CUSTOM_DESC_VERSION = 1;
// Compile-time validation that release name doesn't exceed maximum length // Compile-time validation that release name doesn't exceed maximum length
static_assert(sizeof(WLED_RELEASE_NAME) <= WLED_RELEASE_NAME_MAX_LEN, static_assert(sizeof(WLED_RELEASE_NAME) <= WLED_RELEASE_NAME_MAX_LEN,
@@ -59,11 +59,6 @@ const wled_metadata_t __attribute__((section(BUILD_METADATA_SECTION))) WLED_BUIL
TOSTRING(WLED_VERSION), TOSTRING(WLED_VERSION),
WLED_RELEASE_NAME, // release_name WLED_RELEASE_NAME, // release_name
std::integral_constant<uint32_t, djb2_hash_constexpr(WLED_RELEASE_NAME)>::value, // hash - computed at compile time; integral_constant enforces this std::integral_constant<uint32_t, djb2_hash_constexpr(WLED_RELEASE_NAME)>::value, // hash - computed at compile time; integral_constant enforces this
#if defined(ESP32) && defined(CONFIG_IDF_TARGET_ESP32)
{ 0, 15, 3 }, // Some older ESP32 might have bootloader issues; assume we'll have it sorted by 0.15.3
#else
{ 0, 15, 2 }, // All other platforms can update safely
#endif
}; };
static const char repoString_s[] PROGMEM = WLED_REPO; static const char repoString_s[] PROGMEM = WLED_REPO;
@@ -101,7 +96,7 @@ bool findWledMetadata(const uint8_t* binaryData, size_t dataSize, wled_metadata_
memcpy(&candidate, binaryData + offset, sizeof(candidate)); memcpy(&candidate, binaryData + offset, sizeof(candidate));
// Found potential match, validate version // Found potential match, validate version
if (candidate.desc_version > WLED_CUSTOM_DESC_VERSION) { if (candidate.desc_version != WLED_CUSTOM_DESC_VERSION) {
DEBUG_PRINTF_P(PSTR("Found WLED structure at offset %u but version mismatch: %u\n"), DEBUG_PRINTF_P(PSTR("Found WLED structure at offset %u but version mismatch: %u\n"),
offset, candidate.desc_version); offset, candidate.desc_version);
continue; continue;
@@ -156,43 +151,13 @@ bool shouldAllowOTA(const wled_metadata_t& firmwareDescription, char* errorMessa
if (strncmp_P(safeFirmwareRelease, releaseString, WLED_RELEASE_NAME_MAX_LEN) != 0) { if (strncmp_P(safeFirmwareRelease, releaseString, WLED_RELEASE_NAME_MAX_LEN) != 0) {
if (errorMessage && errorMessageLen > 0) { if (errorMessage && errorMessageLen > 0) {
snprintf_P(errorMessage, errorMessageLen, PSTR("Firmware release name mismatch: current='%s', uploaded='%s'."), snprintf_P(errorMessage, errorMessageLen, PSTR("Firmware compatibility mismatch: current='%s', uploaded='%s'."),
releaseString, safeFirmwareRelease); releaseString, safeFirmwareRelease);
errorMessage[errorMessageLen - 1] = '\0'; // Ensure null termination errorMessage[errorMessageLen - 1] = '\0'; // Ensure null termination
} }
return false; return false;
} }
if (firmwareDescription.desc_version > 1) {
// Add safe version check
// Parse our version (x.y.z) and compare it to the "safe version" array
const char* our_version = versionString;
for(unsigned v_index = 0; v_index < 3; ++v_index) {
char* our_version_end = nullptr;
long our_v_parsed = strtol(our_version, &our_version_end, 10);
if (!our_version_end || (our_version_end == our_version)) {
// We were built with a malformed version string
// We blame the integrator and attempt the update anyways - nothing the user can do to fix this
break;
}
if (firmwareDescription.safe_update_version[v_index] > our_v_parsed) {
if (errorMessage && errorMessageLen > 0) {
snprintf_P(errorMessage, errorMessageLen, PSTR("Cannot update from this version: requires at least %d.%d.%d, current='%s'."),
firmwareDescription.safe_update_version[0], firmwareDescription.safe_update_version[1], firmwareDescription.safe_update_version[2],
versionString);
errorMessage[errorMessageLen - 1] = '\0'; // Ensure null termination
}
return false;
} else if (firmwareDescription.safe_update_version[v_index] < our_v_parsed) {
break; // no need to check the other components
}
if (*our_version_end == '.') ++our_version_end;
our_version = our_version_end;
}
}
// TODO: additional checks go here // TODO: additional checks go here
return true; return true;

View File

@@ -26,7 +26,6 @@ typedef struct {
char wled_version[WLED_VERSION_MAX_LEN]; char wled_version[WLED_VERSION_MAX_LEN];
char release_name[WLED_RELEASE_NAME_MAX_LEN]; // Release name (null-terminated) char release_name[WLED_RELEASE_NAME_MAX_LEN]; // Release name (null-terminated)
uint32_t hash; // Structure sanity check uint32_t hash; // Structure sanity check
uint8_t safe_update_version[3]; // Indicates version it's known to be safe to install this update from: major, minor, patch
} __attribute__((packed)) wled_metadata_t; } __attribute__((packed)) wled_metadata_t;