Date: Sat, 15 May 2004 22:21:57 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: arch@freebsd.org, net@freebsd.org Cc: Eugene Grosbein <eugen@grosbein.pp.ru> Subject: Re: bin/65928: [PATCH] stock ftpd uses superuser credentials for active mode sockets Message-ID: <20040515182157.GB89625@comp.chem.msu.su> In-Reply-To: <20040508132354.GB44214@comp.chem.msu.su> References: <20040508034514.GA937@grosbein.pp.ru> <Pine.BSF.4.53.0405080636010.66978@e0-0.zab2.int.zabbadoz.net> <20040508132354.GB44214@comp.chem.msu.su>
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Hi folks, Attached below is a patch addressing the issue of the inability to reuse a local IP:port couple occupied by an established TCP connection from another user, but by no listeners. Could anybody with fair understanding of our TCP/IP stack review it please? Thanks. -- Yar Index: in_pcb.c =================================================================== RCS file: /home/ncvs/src/sys/netinet/in_pcb.c,v retrieving revision 1.146 diff -u -p -r1.146 in_pcb.c --- in_pcb.c 23 Apr 2004 23:29:49 -0000 1.146 +++ in_pcb.c 15 May 2004 17:37:18 -0000 @@ -340,6 +340,8 @@ in_pcbbind_setup(inp, nam, laddrp, lport return (EADDRINUSE); } else if (t && + (so->so_type != SOCK_STREAM || + ntohl(t->inp_faddr.s_addr) == INADDR_ANY) && (ntohl(sin->sin_addr.s_addr) != INADDR_ANY || ntohl(t->inp_laddr.s_addr) != INADDR_ANY || (t->inp_socket->so_options &
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