diff options
Diffstat (limited to 'libexec/ftpd')
| -rw-r--r-- | libexec/ftpd/ftpd.8 | 13 | ||||
| -rw-r--r-- | libexec/ftpd/ftpd.c | 15 |
2 files changed, 23 insertions, 5 deletions
diff --git a/libexec/ftpd/ftpd.8 b/libexec/ftpd/ftpd.8 index f3c4eef..b995b8a 100644 --- a/libexec/ftpd/ftpd.8 +++ b/libexec/ftpd/ftpd.8 @@ -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 diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c index d59edd6..ca1e348 100644 --- a/libexec/ftpd/ftpd.c +++ b/libexec/ftpd/ftpd.c @@ -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) |
