Hi,
I've put most of the details in
https://github.com/lavv17/lftp/issues/511
but basically this avoids segfault which I triggered by accident.
Patch is accepted by upstream and already merged.
Index: Makefile
===================================================================
RCS file: /cvs/ports/net/lftp/Makefile,v
retrieving revision 1.123
diff -u -p -u -r1.123 Makefile
--- Makefile 24 Oct 2018 14:28:08 -0000 1.123
+++ Makefile 4 Mar 2019 12:37:56 -0000
@@ -4,7 +4,7 @@ COMMENT= shell-like command line ftp and
DISTNAME= lftp-4.8.4
CATEGORIES= net
-REVISION= 0
+REVISION= 1
HOMEPAGE= https://lftp.tech/
Index: patches/patch-doc_lftp_1
===================================================================
RCS file: /cvs/ports/net/lftp/patches/patch-doc_lftp_1,v
retrieving revision 1.3
diff -u -p -u -r1.3 patch-doc_lftp_1
--- patches/patch-doc_lftp_1 13 Aug 2018 14:36:41 -0000 1.3
+++ patches/patch-doc_lftp_1 4 Mar 2019 12:37:56 -0000
@@ -1,5 +1,8 @@
$OpenBSD: patch-doc_lftp_1,v 1.3 2018/08/13 14:36:41 rsadowski Exp $
+- avoid information loss in both groff and mandoc
+ upstream commit 57b7098a4e0a7d3e7609ef3b2fb00b500df7a060
+
Index: doc/lftp.1
--- doc/lftp.1.orig
+++ doc/lftp.1
Index: patches/patch-src_Torrent_cc
===================================================================
RCS file: patches/patch-src_Torrent_cc
diff -N patches/patch-src_Torrent_cc
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_Torrent_cc 4 Mar 2019 12:37:56 -0000
@@ -0,0 +1,30 @@
+$OpenBSD$
+
+- In MaySendUDP() handle case when socket may not be available yet
+ Upstream commit 66426abe60ef0f8a1be905f171b1281c6b59d138
+
+- Add error handling for listen
+ Upstream commit 1f22423244c3867fec745cf0c04cd636e10970a2
+
+Index: src/Torrent.cc
+--- src/Torrent.cc.orig
++++ src/Torrent.cc
+@@ -3830,7 +3830,8 @@ int TorrentListener::Do()
+ }
+ bound:
+ if(type==SOCK_STREAM)
+- listen(sock,5);
++ if(listen(sock,5) < 0)
++ LogError(0,"listen failed: %s", strerror(errno));
+
+ // get the allocated port
+ socklen_t addr_len=sizeof(addr);
+@@ -3904,6 +3905,8 @@ bool TorrentListener::MaySendUDP()
+ last_sent_udp_count=0;
+ last_sent_udp=now;
+ }
++ if (sock==-1)
++ return false;
+ // check if output buffer is available
+ struct pollfd pfd;
+ pfd.fd=sock;
--
Regards,
Mikolaj
