From 357cf76409d30341a2c4eedcf2568f0abd56e88d Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 6 Jun 2020 15:13:39 +0200
Subject: More runtime error checking

---
 plugins/weblog/weblog.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'plugins/weblog')

diff --git a/plugins/weblog/weblog.cpp b/plugins/weblog/weblog.cpp
index 1e1b6b2..a64ee1b 100644
--- a/plugins/weblog/weblog.cpp
+++ b/plugins/weblog/weblog.cpp
@@ -244,6 +244,9 @@ namespace {
                                size_t page)
  {
   try {
+   if (page > std::numeric_limits<int>::max())
+    throw std::runtime_error("Bad page index: "s + std::to_string(page));
+
    HtmlPage htmlPage{GetRequestParam, "<h1>"s + GetRequestParam("WEBLOG_NAME") + "</h1>"s};
 
    fs::path link{ GetRequestParam("plugin_path")};
@@ -422,7 +425,11 @@ std::string weblog_plugin::generate_page(
   size_t page {0};
   auto it {query.find("page")};
   if (it != query.end()) {
-   page = stoul(it->second);
+   try {
+    page = stoul(it->second);
+   } catch(...) {
+    // ignore: keep default 0
+   }
   }
 
   if (is_index_page(rel_target))
-- 
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