Date: Thu, 23 Jan 2003 20:47:06 +0300 From: Yar Tikhiy <yar@FreeBSD.org> To: Ceri Davies <setantae@submonkey.net>, Julian Mayer <julianmayer@mac.com>, knu@FreeBSD.org, ports@FreeBSD.org, hackers@FreeBSD.org Subject: Re: FreeBSD Port: portupgrade-20021216 Message-ID: <20030123174706.GA8943@comp.chem.msu.su> In-Reply-To: <20030123134749.GA377@straylight.oblivion.bg> References: <F123A396-2E66-11D7-9D30-00039303B9CC@mac.com> <20030123081224.GA471@straylight.oblivion.bg> <20030123101216.GA2856@submonkey.net> <20030123134749.GA377@straylight.oblivion.bg>
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On Thu, Jan 23, 2003 at 03:47:49PM +0200, Peter Pentchev wrote:
>
> Attached is a patch to the libexec/ftpd source, which adds a new -P
> option taking an argument of either a numeric port number or a service
> name as described in the getaddrinfo(3) manual page. What do people
> think about adding this functionality?
Peter, here is a bit reworked version of your patch.
Does it look reasonable?
--
Yar
Index: ftpd.8
===================================================================
RCS file: /home/ncvs/src/libexec/ftpd/ftpd.8,v
retrieving revision 1.56
diff -u -r1.56 ftpd.8
--- ftpd.8 27 Dec 2002 12:15:31 -0000 1.56
+++ ftpd.8 23 Jan 2003 17:39:59 -0000
@@ -43,6 +43,7 @@
.Op Fl 46ADdEMmOoRrSUvW
.Op Fl l Op Fl l
.Op Fl a Ar address
+.Op Fl P Ar port
.Op Fl p Ar file
.Op Fl T Ar maxtimeout
.Op Fl t Ar timeout
@@ -55,7 +56,9 @@
server process. The server uses the
.Tn TCP
protocol
-and listens at the port specified in the
+and listens at the port specified with the
+.Fl P
+option or in the
.Dq ftp
service specification; see
.Xr services 5 .
@@ -133,6 +136,14 @@
.It Fl o
Put server in write-only mode.
RETR is disabled, preventing downloads.
+.It Fl P
+When
+.Fl D
+is specified, accept connections at
+.Ar port ,
+specified as a numeric value or service name, instead of at the default
+.Dq ftp
+port.
.It Fl p
When
.Fl D
Index: ftpd.c
===================================================================
RCS file: /home/ncvs/src/libexec/ftpd/ftpd.c,v
retrieving revision 1.133
diff -u -r1.133 ftpd.c
--- ftpd.c 21 Jan 2003 05:13:02 -0000 1.133
+++ ftpd.c 23 Jan 2003 17:40:01 -0000
@@ -115,6 +115,7 @@
int daemon_mode;
int data;
+int dataport;
int logged_in;
struct passwd *pw;
int ftpdebug;
@@ -277,6 +278,7 @@
FILE *fd;
int error;
char *bindname = NULL;
+ const char *bindport = "ftp";
int family = AF_UNSPEC;
int enable_v4 = 0;
struct sigaction sa;
@@ -296,7 +298,7 @@
#endif /* OLD_SETPROCTITLE */
- while ((ch = getopt(argc, argv, "46a:AdDElmMoOp:rRSt:T:u:UvW")) != -1) {
+ while ((ch = getopt(argc, argv, "46a:AdDElmMoOp:P:rRSt:T:u:UvW")) != -1) {
switch (ch) {
case '4':
enable_v4 = 1;
@@ -352,6 +354,10 @@
pid_file = optarg;
break;
+ case 'P':
+ bindport = optarg;
+ break;
+
case 'r':
readonly = 1;
break;
@@ -436,11 +442,11 @@
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
hints.ai_flags = AI_PASSIVE;
- error = getaddrinfo(bindname, "ftp", &hints, &res);
+ error = getaddrinfo(bindname, bindport, &hints, &res);
if (error) {
if (family == AF_UNSPEC) {
hints.ai_family = AF_UNSPEC;
- error = getaddrinfo(bindname, "ftp", &hints,
+ error = getaddrinfo(bindname, bindport, &hints,
&res);
}
}
@@ -553,6 +559,7 @@
syslog(LOG_ERR, "getsockname (%s): %m",argv[0]);
exit(1);
}
+ dataport = ntohs(ctrl_addr.su_port) - 1; /* as per RFC 959 */
#ifdef VIRTUAL_HOSTING
/* select our identity from virtual host table */
selecthost(&ctrl_addr);
@@ -1722,7 +1729,7 @@
syslog(LOG_WARNING, "data setsockopt (SO_REUSEADDR): %m");
/* anchor socket to avoid multi-homing problems */
data_source = ctrl_addr;
- data_source.su_port = htons(20); /* ftp-data port */
+ data_source.su_port = htons(dataport);
for (tries = 1; ; tries++) {
if (bind(s, (struct sockaddr *)&data_source,
data_source.su_len) >= 0)
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