diff options
Diffstat (limited to 'misc.c')
| -rw-r--r-- | misc.c | 40 |
1 files changed, 39 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: misc.c,v 1.116 2017/10/24 19:41:45 millert Exp $ */ +/* $OpenBSD: misc.c,v 1.117 2017/10/25 00:15:35 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * Copyright (c) 2005,2006 Damien Miller. All rights reserved. @@ -167,6 +167,44 @@ set_nodelay(int fd) error("setsockopt TCP_NODELAY: %.100s", strerror(errno)); } +/* Allow local port reuse in TIME_WAIT */ +int +set_reuseaddr(int fd) +{ + int on = 1; + + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) { + error("setsockopt SO_REUSEADDR fd %d: %s", fd, strerror(errno)); + return -1; + } + return 0; +} + +/* Set routing table */ +int +set_rdomain(int fd, const char *name) +{ + int rtable; + const char *errstr; + + if (name == NULL) + return 0; /* default table */ + + rtable = (int)strtonum(name, 0, 255, &errstr); + if (errstr != NULL) { + /* Shouldn't happen */ + error("Invalid routing domain \"%s\": %s", name, errstr); + return -1; + } + if (setsockopt(fd, SOL_SOCKET, SO_RTABLE, + &rtable, sizeof(rtable)) == -1) { + error("Failed to set routing domain %d on fd %d: %s", + rtable, fd, strerror(errno)); + return -1; + } + return 0; +} + /* Characters considered whitespace in strsep calls. */ #define WHITESPACE " \t\r\n" #define QUOTE "\"" |