Skip to content

Fix: 'Content-Length' header check implicit cast #534

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Dec 7, 2024
Merged

Fix: 'Content-Length' header check implicit cast #534

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 16 additions & 6 deletions ixwebsocket/IXHttp.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -135,17 +135,27 @@ namespace ix
int contentLength = 0;
{
const char* p = headers["Content-Length"].c_str();
char* p_end{};
char* p_end {};
errno = 0;
long val = std::strtol(p, &p_end, 10);
if (p_end == p // invalid argument
|| errno == ERANGE // out of range
|| val < std::numeric_limits<int>::min()
|| val > std::numeric_limits<int>::max()) {
if (p_end == p // invalid argument
|| errno == ERANGE // out of range
)
{
return std::make_tuple(
false, "Error parsing HTTP Header 'Content-Length'", httpRequest);
}
contentLength = val;
if (val > std::numeric_limits<int>::max())
{
return std::make_tuple(
false, "Error: 'Content-Length' value was above max", httpRequest);
}
if (val < std::numeric_limits<int>::min())
{
return std::make_tuple(
false, "Error: 'Content-Length' value was below min", httpRequest);
}
contentLength = static_cast<int>(val);
}
if (contentLength < 0)
{
Expand Down