From ff6a7053f500414dc74568a4e49adbac7f0cf634 Mon Sep 17 00:00:00 2001 From: Tiago Natel de Moura Date: Tue, 9 Nov 2021 15:48:44 +0300 Subject: Introduced SCM_CREDENTIALS / SCM_CREDS in the socket control msgs. --- src/nxt_socket_msg.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/nxt_socket_msg.c (limited to 'src/nxt_socket_msg.c') diff --git a/src/nxt_socket_msg.c b/src/nxt_socket_msg.c new file mode 100644 index 00000000..3b35ab29 --- /dev/null +++ b/src/nxt_socket_msg.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) Igor Sysoev + * Copyright (C) NGINX, Inc. + */ + +#include +#include + + +ssize_t +nxt_sendmsg(nxt_socket_t s, nxt_iobuf_t *iob, nxt_uint_t niob, + const nxt_send_oob_t *oob) +{ + struct msghdr msg; + + msg.msg_name = NULL; + msg.msg_namelen = 0; + msg.msg_iov = iob; + msg.msg_iovlen = niob; + /* Flags are cleared just to suppress valgrind warning. */ + msg.msg_flags = 0; + + if (oob != NULL && oob->size != 0) { + msg.msg_control = (void *) oob->buf; + msg.msg_controllen = oob->size; + + } else { + msg.msg_control = NULL; + msg.msg_controllen = 0; + } + + return sendmsg(s, &msg, 0); +} + + +ssize_t +nxt_recvmsg(nxt_socket_t s, nxt_iobuf_t *iob, nxt_uint_t niob, + nxt_recv_oob_t *oob) +{ + ssize_t n; + struct msghdr msg; + + msg.msg_name = NULL; + msg.msg_namelen = 0; + msg.msg_iov = iob; + msg.msg_iovlen = niob; + msg.msg_control = oob->buf; + msg.msg_controllen = sizeof(oob->buf); + + n = recvmsg(s, &msg, 0); + + if (nxt_fast_path(n != -1)) { + oob->size = msg.msg_controllen; + } + + return n; +} -- cgit