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- Add a new option, ``-P port'', to specify the port for ftpd(8)

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to listen at in daemon mode.
- Use the port by 1 less than the control port as the default
  data port instead of always using hard-coded port 20.

Submitted by:	roam
MFC after:	1 week
This commit is contained in:
Yaroslav Tykhiy 2003-01-23 18:39:48 +00:00
parent 83d5e173ac
commit 63591ba5c8
2 changed files with 23 additions and 5 deletions
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13
libexec/ftpd/ftpd.8
View File

@ -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 @@ Internet File Transfer Protocol
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 @@ is also specified.
.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

15
libexec/ftpd/ftpd.c
View File

@ -115,6 +115,7 @@ union sockunion pasv_addr;
int daemon_mode;
int data;
int dataport;
int logged_in;
struct passwd *pw;
int ftpdebug;
@ -277,6 +278,7 @@ main(int argc, char *argv[], char **envp)
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 @@ main(int argc, char *argv[], char **envp)
#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 @@ main(int argc, char *argv[], char **envp)
pid_file = optarg;
break;
case 'P':
bindport = optarg;
break;
case 'r':
readonly = 1;
break;
@ -436,11 +442,11 @@ main(int argc, char *argv[], char **envp)
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 @@ main(int argc, char *argv[], char **envp)
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 @@ getdatasock(char *mode)
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)