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Add support for RFC 2389 (FEAT) and RFC 2640 (UTF8) to ftpd(8).
The support for RFC 2640 (UTF8) is optional and rudimentary. The server just advertises its capability to handle UTF-8 file names and relies on its own 8-bit cleanness, as well as on the backward compatibility of UTF-8 with ASCII. So uploaded files will have UTF-8 names, but the initial server contents should be prepared in UTF-8 by hand, no on-the-fly conversion of file names will be done. PR: bin/111714 Submitted by: Zhang Weiwu <see email in the PR> MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=168849
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@ -95,6 +95,7 @@ extern char proctitle[];
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extern int usedefault;
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extern char tmpline[];
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extern int readonly;
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extern int assumeutf8;
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extern int noepsv;
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extern int noretr;
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extern int noguestretr;
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@ -135,7 +136,7 @@ extern int epsvall;
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ABOR DELE CWD LIST NLST SITE
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STAT HELP NOOP MKD RMD PWD
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CDUP STOU SMNT SYST SIZE MDTM
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LPRT LPSV EPRT EPSV
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LPRT LPSV EPRT EPSV FEAT
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UMASK IDLE CHMOD MDFIVE
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@ -687,6 +688,25 @@ cmd
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if ($4 != NULL)
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free($4);
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}
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| FEAT CRLF
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{
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lreply(211, "Extensions supported:");
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#if 0
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/* XXX these two keywords are non-standard */
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printf(" EPRT\r\n");
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if (!noepsv)
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printf(" EPSV\r\n");
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#endif
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printf(" MDTM\r\n");
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printf(" REST STREAM\r\n");
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printf(" SIZE\r\n");
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if (assumeutf8) {
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/* TVFS requires UTF8, see RFC 3659 */
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printf(" TVFS\r\n");
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printf(" UTF8\r\n");
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}
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reply(211, "End.");
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}
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| SYST check_login CRLF
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{
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if ($2) {
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@ -1112,6 +1132,7 @@ struct tab cmdtab[] = { /* In order defined in RFC 765 */
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{ "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" },
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{ "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" },
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{ "SYST", SYST, ARGS, 1, "(get type of operating system)" },
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{ "FEAT", FEAT, ARGS, 1, "(get extended features)" },
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{ "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" },
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{ "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" },
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{ "NOOP", NOOP, ARGS, 1, "" },
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@ -40,7 +40,7 @@
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.Nd Internet File Transfer Protocol server
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.Sh SYNOPSIS
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.Nm
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.Op Fl 46ADdEhMmOoRrSUvW
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.Op Fl 468ADdEhMmOoRrSUvW
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.Op Fl l Op Fl l
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.Op Fl a Ar address
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.Op Fl P Ar port
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@ -78,6 +78,21 @@ When
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is specified, accept connections via
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.Dv AF_INET6
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socket.
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.It Fl 8
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The server is running in transparent UTF-8 mode.
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That is, it just encourages RFC\ 2640 compliant clients to send
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paths encoded in UTF-8 in their commands.
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In particular, the names of files uploaded by such clients will
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have UTF-8 encoding.
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The clients will also assume that server replies and existing file
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names have UTF-8 encoding, too.
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The names of files preloaded to the server should meet this expectation
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for the clients to present the correct file names to their users.
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Own messages of
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.Nm
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are always encoded in ASCII, which in fact is a subset of UTF-8.
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.Pp
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Note that this option does not make the server do any encoding conversion.
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.It Fl A
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Allow only anonymous ftp access.
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.It Fl a
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@ -250,6 +265,7 @@ is specified.
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.It DELE Ta "delete a file [RW]"
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.It EPRT Ta "specify data connection port, multiprotocol"
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.It EPSV Ta "prepare for server-to-server transfer, multiprotocol"
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.It FEAT Ta "give information on extended features of server"
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.It HELP Ta "give help information"
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.It LIST Ta "give list files in a directory" Pq Dq Li "ls -lgA"
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.It LPRT Ta "specify data connection port, multiprotocol"
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@ -128,6 +128,7 @@ int logging;
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int restricted_data_ports = 1;
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int paranoid = 1; /* be extra careful about security */
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int anon_only = 0; /* Only anonymous ftp allowed */
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int assumeutf8 = 0; /* Assume that server file names are in UTF-8 */
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int guest;
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int dochroot;
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char *chrootdir;
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@ -308,7 +309,7 @@ main(int argc, char *argv[], char **envp)
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openlog("ftpd", LOG_PID | LOG_NDELAY, LOG_FTP);
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while ((ch = getopt(argc, argv,
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"46a:AdDEhlmMoOp:P:rRSt:T:u:UvW")) != -1) {
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"468a:AdDEhlmMoOp:P:rRSt:T:u:UvW")) != -1) {
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switch (ch) {
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case '4':
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family = (family == AF_INET6) ? AF_UNSPEC : AF_INET;
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@ -318,6 +319,10 @@ main(int argc, char *argv[], char **envp)
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family = (family == AF_INET) ? AF_UNSPEC : AF_INET6;
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break;
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case '8':
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assumeutf8 = 1;
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break;
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case 'a':
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bindname = optarg;
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break;
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