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match mount points on a segment boundary in handle_file_request (#2529)

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metsw24-max authored and GitHub committed 2026-08-03 17:51:50 -04:00
1 parent 095a5c1caf
commit 2b8658fa99
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+41 -2
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httplib.h
+8 -2
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@@ -12448,8 +12448,14 @@ inline bool Server::read_content_core(
inline bool Server::handle_file_request(Request &req, Response &res) {
for (const auto &entry : base_dirs_) {
// Prefix match
if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) {
// Prefix match, on a path segment boundary. A mount point of "/mount"
// covers "/mount" and "/mount/...", but must not swallow "/mountdir/...".
// One that already ends in '/' (the root mount among them) carries its own
// boundary; set_mount_point() guarantees the mount point is not empty.
if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point) &&
(entry.mount_point.back() == '/' ||
req.path.size() == entry.mount_point.size() ||
req.path[entry.mount_point.size()] == '/')) {
std::string sub_path = "/" + req.path.substr(entry.mount_point.size());
if (detail::is_valid_path(sub_path)) {
auto path = entry.base_dir + sub_path;