X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsrc%2Fsmtp_out.c;h=0fa4ccd4846c8ee722b39822cbdded3f6eeaf215;hb=b1b05573117d62c3b95d854d8ac5a447df19e82e;hp=484735032b12bbbf88d0067d996dcf79aa921a79;hpb=0a49a7a4f1090b6f1ce1d0f9d969804c9226b53e;p=user%2Fhenk%2Fcode%2Fexim.git diff --git a/src/src/smtp_out.c b/src/src/smtp_out.c index 484735032..0fa4ccd48 100644 --- a/src/src/smtp_out.c +++ b/src/src/smtp_out.c @@ -1,5 +1,3 @@ -/* $Cambridge: exim/src/src/smtp_out.c,v 1.10 2009/11/16 19:50:37 nm4 Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ @@ -166,16 +164,20 @@ Arguments: interface outgoing interface address or NULL timeout timeout value or 0 keepalive TRUE to use keepalive + dscp DSCP value to assign to socket Returns: connected socket number, or -1 with errno set */ int smtp_connect(host_item *host, int host_af, int port, uschar *interface, - int timeout, BOOL keepalive) + int timeout, BOOL keepalive, const uschar *dscp) { int on = 1; int save_errno = 0; +int dscp_value; +int dscp_level; +int dscp_option; int sock; if (host->port != PORT_NONE) @@ -204,6 +206,25 @@ if ((sock = ip_socket(SOCK_STREAM, host_af)) < 0) return -1; setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (uschar *)(&on), sizeof(on)); +/* Set DSCP value, if we can. For now, if we fail to set the value, we don't +bomb out, just log it and continue in default traffic class. */ + +if (dscp && dscp_lookup(dscp, host_af, &dscp_level, &dscp_option, &dscp_value)) + { + HDEBUG(D_transport|D_acl|D_v) + debug_printf("DSCP \"%s\"=%x ", dscp, dscp_value); + if (setsockopt(sock, dscp_level, dscp_option, &dscp_value, sizeof(dscp_value)) < 0) + HDEBUG(D_transport|D_acl|D_v) + debug_printf("failed to set DSCP: %s ", strerror(errno)); + /* If the kernel supports IPv4 and IPv6 on an IPv6 socket, we need to set the + option for both; ignore failures here */ + if (host_af == AF_INET6 && + dscp_lookup(dscp, AF_INET, &dscp_level, &dscp_option, &dscp_value)) + { + (void) setsockopt(sock, dscp_level, dscp_option, &dscp_value, sizeof(dscp_value)); + } + } + /* Bind to a specific interface if requested. Caller must ensure the interface is the same type (IPv4 or IPv6) as the outgoing address. */ @@ -279,8 +300,8 @@ flush_buffer(smtp_outblock *outblock) int rc; #ifdef SUPPORT_TLS -if (tls_active == outblock->sock) - rc = tls_write(outblock->buffer, outblock->ptr - outblock->buffer); +if (tls_out.active == outblock->sock) + rc = tls_write(FALSE, outblock->buffer, outblock->ptr - outblock->buffer); else #endif @@ -318,7 +339,7 @@ Returns: 0 if command added to pipelining buffer, with nothing transmitted */ int -smtp_write_command(smtp_outblock *outblock, BOOL noflush, char *format, ...) +smtp_write_command(smtp_outblock *outblock, BOOL noflush, const char *format, ...) { int count; int rc = 0;