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MHD_add_connection(): reject wrong addrlen

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This commit is contained in:
Evgeny Grin (Karlson2k)
2022-01-31 15:48:14 +03:00
parent 1c4e21f099
commit 0e4fc12c5a
1 changed files with 29 additions and 0 deletions
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src/microhttpd/daemon.c
+29
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@@ -3429,6 +3429,35 @@ MHD_add_connection (struct MHD_Daemon *daemon,
" added sockets.\n"));
}
#endif /* HAVE_MESSAGES */
if (0 != addrlen)
{
if (AF_INET == addr->sa_family)
{
if (sizeof(struct sockaddr_in) > addrlen)
{
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_ ("MHD_add_connection() has been called with "
"incorrect 'addrlen' value.\n"));
#endif /* HAVE_MESSAGES */
return MHD_NO;
}
}
#ifdef HAVE_INET6
if (AF_INET6 == addr->sa_family)
{
if (sizeof(struct sockaddr_in6) > addrlen)
{
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_ ("MHD_add_connection() has been called with "
"incorrect 'addrlen' value.\n"));
#endif /* HAVE_MESSAGES */
return MHD_NO;
}
}
#endif /* HAVE_INET6 */
}
if (! MHD_socket_nonblocking_ (client_socket))
{