From f6020a5224c9c4c17c11c5f9d2c8441638ac04fc Mon Sep 17 00:00:00 2001 From: Guus Sliepen Date: Sun, 17 Jul 2011 20:01:24 +0200 Subject: [PATCH] Write loopback address instead of "any" address in pidfile. --- src/control.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/src/control.c b/src/control.c index 7f46a70..86224c2 100644 --- a/src/control.c +++ b/src/control.c @@ -152,10 +152,22 @@ bool init_control(void) { sockaddr_t sa; socklen_t len = sizeof sa; - if(getsockname(listen_socket[0].tcp, (struct sockaddr *)&sa, &len)) + // Make sure we have a valid address, and map 0.0.0.0 and :: to 127.0.0.1 and ::1. + + if(getsockname(listen_socket[0].tcp, (struct sockaddr *)&sa, &len)) { xasprintf(&localhost, "127.0.0.1 port %d", myport); - else + } else { + if(sa.sa.sa_family == AF_INET) { + if(sa.in.sin_addr.s_addr == 0) + sa.in.sin_addr.s_addr = htonl(0x7f000001); + } else if(sa.sa.sa_family == AF_INET6) { + static const uint8_t zero[16] = {0}; + if(!memcmp(sa.in6.sin6_addr.s6_addr, zero, sizeof zero)) + sa.in6.sin6_addr.s6_addr[15] = 1; + } + localhost = sockaddr2hostname(&sa); + } fprintf(f, "%d %s %s\n", (int)getpid(), controlcookie, localhost); -- 2.25.1