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Check for buffer overflow when constructing the socket path.

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This commit is contained in:
Tim Allen 2022-04-07 21:36:15 +10:00
parent 9e6b678cf7
commit 9cf8a3ccd6
1 changed files with 4 additions and 1 deletions
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5
src/remote.cc
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@ -614,7 +614,10 @@ static sockaddr_un session_addr(StringView session)
{ {
sockaddr_un addr; sockaddr_un addr;
addr.sun_family = AF_UNIX; addr.sun_family = AF_UNIX;
strcpy(addr.sun_path, session_path(session).c_str()); String path = session_path(session);
if (path.length() + 1 > sizeof addr.sun_path)
throw runtime_error{format("socket path too long: '{}'", path)};
strcpy(addr.sun_path, path.c_str());
return addr; return addr;
} }