X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/10ac8d7f410e55043b0b182fb77f2e8fb6a7aed4..afdb5e9cf07fa49e26e128d8d5d2e3cab7a5fe42:/src/src/ip.c diff --git a/src/src/ip.c b/src/src/ip.c index ee91293fa..82876c62e 100644 --- a/src/src/ip.c +++ b/src/src/ip.c @@ -2,7 +2,7 @@ * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2017 */ +/* Copyright (c) University of Cambridge 1995 - 2018 */ /* See the file NOTICE for conditions of use and distribution. */ /* Functions for doing things with sockets. With the advent of IPv6 this has @@ -171,8 +171,7 @@ tfo_probe(void) int sock, backlog = 5; if ( (sock = socket(SOCK_STREAM, AF_INET, 0)) < 0 - && setsockopt(sock, IPPROTO_TCP, TCP_FASTOPEN, - &connect_backlog, sizeof(smtp_connect_backlog)) + && setsockopt(sock, IPPROTO_TCP, TCP_FASTOPEN, &backlog, sizeof(backlog)) ) tcp_fastopen_ok = TRUE; close(sock); @@ -261,8 +260,9 @@ if (fastopen_blob && tcp_fastopen_ok) /* seen for with-data, proper TFO opt, with-cookie case */ { DEBUG(D_transport|D_v) - debug_printf("non-TFO mode connection attempt to %s, %d data\n", - address, fastopen_blob->len); + debug_printf("non-TFO mode connection attempt to %s, %lu data\n", + address, (unsigned long)fastopen_blob->len); + /*XXX also seen on successful TFO, sigh */ tcp_out_fastopen = fastopen_blob->len > 0 ? 2 : 1; } else if (errno == EINPROGRESS) /* expected if we had no cookie for peer */ @@ -294,8 +294,8 @@ else { legacy_connect: DEBUG(D_transport|D_v) if (fastopen_blob) - debug_printf("non-TFO mode connection attempt to %s, %d data\n", - address, fastopen_blob->len); + debug_printf("non-TFO mode connection attempt to %s, %lu data\n", + address, (unsigned long)fastopen_blob->len); if ((rc = connect(sock, s_ptr, s_len)) >= 0) if ( fastopen_blob && fastopen_blob->data && fastopen_blob->len && send(sock, fastopen_blob->data, fastopen_blob->len, 0) < 0) @@ -340,7 +340,7 @@ return -1; Arguments: type SOCK_DGRAM or SOCK_STREAM af AF_INET6 or AF_INET for the socket type - address the remote address, in text form + hostname host name, or ip address (as text) portlo,porthi the remote port range timeout a timeout connhost if not NULL, host_item to be filled in with connection details @@ -592,7 +592,7 @@ getting interrupted, and the possibility of select() returning with a positive result but no ready descriptor. Is this in fact possible? Arguments: - sock the socket + cctx the connection context (socket fd, possibly TLS context) buffer to read into bufsize the buffer size timeout the timeout @@ -602,24 +602,24 @@ Returns: > 0 => that much data read */ int -ip_recv(int sock, uschar *buffer, int buffsize, int timeout) +ip_recv(client_conn_ctx * cctx, uschar * buffer, int buffsize, int timeout) { int rc; -if (!fd_ready(sock, timeout)) +if (!fd_ready(cctx->sock, timeout)) return -1; /* The socket is ready, read from it (via TLS if it's active). On EOF (i.e. close down of the connection), set errno to zero; otherwise leave it alone. */ #ifdef SUPPORT_TLS -if (tls_out.active == sock) - rc = tls_read(FALSE, buffer, buffsize); -else if (tls_in.active == sock) - rc = tls_read(TRUE, buffer, buffsize); +if (cctx->tls_ctx) /* client TLS */ + rc = tls_read(cctx->tls_ctx, buffer, buffsize); +else if (tls_in.active.sock == cctx->sock) /* server TLS */ + rc = tls_read(NULL, buffer, buffsize); else #endif - rc = recv(sock, buffer, buffsize, 0); + rc = recv(cctx->sock, buffer, buffsize, 0); if (rc > 0) return rc; if (rc == 0) errno = 0;