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Code Issues Releases Wiki Activity

fixes

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This commit is contained in:
J. Nick Koston
2025-06-29 11:11:47 -05:00
parent 04860567f7
commit 7b8cfc768d
1 changed files with 14 additions and 2 deletions
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16
esphome/components/web_server_idf/multipart_parser.cpp
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@@ -20,9 +20,14 @@ bool MultipartParser::parse(const uint8_t *data, size_t len) {
buffer_.insert(buffer_.end(), data, data + len);
}
// Limit iterations to prevent infinite loops
static constexpr size_t MAX_ITERATIONS = 10;
size_t iterations = 0;
bool made_progress = true;
while (made_progress && state_ != DONE && state_ != ERROR && !buffer_.empty()) {
while (made_progress && state_ != DONE && state_ != ERROR && !buffer_.empty() && iterations < MAX_ITERATIONS) {
made_progress = false;
iterations++;
switch (state_) {
case BOUNDARY_SEARCH:
@@ -45,13 +50,20 @@ bool MultipartParser::parse(const uint8_t *data, size_t len) {
// Content is ready, return to caller
return true;
}
break;
// If we're waiting for more data in CONTENT state, exit the loop
return false;
default:
ESP_LOGE(TAG, "Invalid parser state: %d", state_);
state_ = ERROR;
break;
}
}
if (iterations >= MAX_ITERATIONS) {
ESP_LOGW(TAG, "Parser reached maximum iterations, possible malformed data");
}
return part_ready_;
}