diff options
| author | yar <yar@FreeBSD.org> | 2002-07-24 16:11:34 +0000 |
|---|---|---|
| committer | yar <yar@FreeBSD.org> | 2002-07-24 16:11:34 +0000 |
| commit | 90caf3dc007c8058723ca04547cb5ea0e194326f (patch) | |
| tree | efc4cf9ac02aae3eb7a6ad0491702b401802fd5f /libexec | |
| parent | 6edce70ffe7981663ccddc10eb74a75dda92ab82 (diff) | |
| download | FreeBSD-src-90caf3dc007c8058723ca04547cb5ea0e194326f.zip FreeBSD-src-90caf3dc007c8058723ca04547cb5ea0e194326f.tar.gz | |
Re-use passive data ports with the SO_REUSEADDR
socket option to avoid exausting the passive port
space by TIME_WAIT'ing connections.
PR: bin/36955
Submitted by: Maxim Konovalov <maxim@FreeBSD.org>
MFC after: 2 weeks
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/ftpd/ftpd.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c index c7e56e2..7efa29a 100644 --- a/libexec/ftpd/ftpd.c +++ b/libexec/ftpd/ftpd.c @@ -2473,7 +2473,7 @@ myoob(void) void passive(void) { - int len; + int len, on; char *p, *a; if (pdata >= 0) /* close old port if one set */ @@ -2484,13 +2484,16 @@ passive(void) perror_reply(425, "Can't open passive connection"); return; } + on = 1; + if (setsockopt(pdata, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0) + syslog(LOG_WARNING, "pdata setsockopt (SO_REUSEADDR): %m"); (void) seteuid((uid_t)0); #ifdef IP_PORTRANGE if (ctrl_addr.su_family == AF_INET) { - int on = restricted_data_ports ? IP_PORTRANGE_HIGH - : IP_PORTRANGE_DEFAULT; + on = restricted_data_ports ? IP_PORTRANGE_HIGH + : IP_PORTRANGE_DEFAULT; if (setsockopt(pdata, IPPROTO_IP, IP_PORTRANGE, &on, sizeof(on)) < 0) @@ -2499,8 +2502,8 @@ passive(void) #endif #ifdef IPV6_PORTRANGE if (ctrl_addr.su_family == AF_INET6) { - int on = restricted_data_ports ? IPV6_PORTRANGE_HIGH - : IPV6_PORTRANGE_DEFAULT; + on = restricted_data_ports ? IPV6_PORTRANGE_HIGH + : IPV6_PORTRANGE_DEFAULT; if (setsockopt(pdata, IPPROTO_IPV6, IPV6_PORTRANGE, &on, sizeof(on)) < 0) @@ -2553,7 +2556,7 @@ pasv_error: void long_passive(char *cmd, int pf) { - int len; + int len, on; char *p, *a; if (pdata >= 0) /* close old port if one set */ @@ -2591,6 +2594,9 @@ long_passive(char *cmd, int pf) perror_reply(425, "Can't open passive connection"); return; } + on = 1; + if (setsockopt(pdata, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0) + syslog(LOG_WARNING, "pdata setsockopt (SO_REUSEADDR): %m"); (void) seteuid((uid_t)0); @@ -2600,8 +2606,8 @@ long_passive(char *cmd, int pf) #ifdef IP_PORTRANGE if (ctrl_addr.su_family == AF_INET) { - int on = restricted_data_ports ? IP_PORTRANGE_HIGH - : IP_PORTRANGE_DEFAULT; + on = restricted_data_ports ? IP_PORTRANGE_HIGH + : IP_PORTRANGE_DEFAULT; if (setsockopt(pdata, IPPROTO_IP, IP_PORTRANGE, &on, sizeof(on)) < 0) @@ -2610,8 +2616,8 @@ long_passive(char *cmd, int pf) #endif #ifdef IPV6_PORTRANGE if (ctrl_addr.su_family == AF_INET6) { - int on = restricted_data_ports ? IPV6_PORTRANGE_HIGH - : IPV6_PORTRANGE_DEFAULT; + on = restricted_data_ports ? IPV6_PORTRANGE_HIGH + : IPV6_PORTRANGE_DEFAULT; if (setsockopt(pdata, IPPROTO_IPV6, IPV6_PORTRANGE, &on, sizeof(on)) < 0) |
