/*
* This file is part of DisOrder.
- * Copyright (C) 2004-2009 Richard Kettlewell
+ * Copyright (C) 2004-2012 Richard Kettlewell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
struct listener {
const char *name;
int pf;
+ int privileged;
};
struct conn;
void *body_u;
/** @brief Accumulating body */
struct vector body[1];
+
+ /** @brief Nonzero if an active RTP request exists */
+ int rtp_requested;
+
+ /** @brief RTP destination (if @ref rtp_requested is nonzero) */
+ struct sockaddr_storage rtp_destination;
};
/** @brief Linked list of connections */
static const char *noyes[] = { "no", "yes" };
-/** @brief Remove a connection from the connection list */
+/** @brief Remove a connection from the connection list
+ *
+ * This is a good place for cleaning things up when connections are closed for
+ * any reason.
+ */
static void remove_connection(struct conn *c) {
struct conn **cc;
+ if(c->rtp_requested) {
+ rtp_request_cancel(&c->rtp_destination);
+ c->rtp_requested = 0;
+ }
for(cc = &connections; *cc && *cc != c; cc = &(*cc)->next)
;
if(*cc)
static int c_disable(struct conn *c, char **vec, int nvec) {
if(nvec == 0)
- disable_playing(c->who);
+ disable_playing(c->who, c->ev);
else if(nvec == 1 && !strcmp(vec[0], "now"))
- disable_playing(c->who);
+ disable_playing(c->who, c->ev);
else {
sink_writes(ev_writer_sink(c->w), "550 invalid argument\n");
return 1; /* completed */
/* check whether the response is right */
res = authhash(c->nonce, sizeof c->nonce, password,
config->authorization_algorithm);
- if(wideopen || (res && !strcmp(res, vec[1]))) {
+ if(wideopen || c->l->privileged || (res && !strcmp(res, vec[1]))) {
c->who = vec[0];
c->rights = rights;
/* currently we only bother logging remote connections */
if((l = trackdb_get(playing->track, "_length"))
&& (length = atol(l))) {
xtime(&when);
- when += length - playing->sofar + config->gap;
+ when += length - playing->sofar;
}
} else
/* Nothing is playing but playing is enabled, so whatever is
if(when) {
if((l = trackdb_get(q->track, "_length"))
&& (length = atol(l)))
- when += length + config->gap;
+ when += length;
else
when = 0;
}
static int c_random_disable(struct conn *c,
char attribute((unused)) **vec,
int attribute((unused)) nvec) {
- disable_random(c->who);
+ disable_random(c->who, c->ev);
sink_writes(ev_writer_sink(c->w), "250 OK\n");
return 1; /* completed */
}
sink_writes(ev_writer_sink(c->w), "550 cannot set internal global preferences\n");
return 1;
}
- trackdb_set_global(vec[0], vec[1], c->who);
- sink_printf(ev_writer_sink(c->w), "250 OK\n");
+ /* We special-case the 'magic' preferences here. */
+ if(!strcmp(vec[0], "playing")) {
+ (flag_enabled(vec[1]) ? enable_playing : disable_playing)(c->who, c->ev);
+ sink_printf(ev_writer_sink(c->w), "250 OK\n");
+ } else if(!strcmp(vec[0], "random-play")) {
+ (flag_enabled(vec[1]) ? enable_random : disable_random)(c->who, c->ev);
+ sink_printf(ev_writer_sink(c->w), "250 OK\n");
+ } else {
+ if(!trackdb_set_global(vec[0], vec[1], c->who))
+ sink_printf(ev_writer_sink(c->w), "250 OK\n");
+ else
+ sink_writes(ev_writer_sink(c->w), "550 not found\n");
+ }
return 1;
}
static int c_new(struct conn *c,
char **vec,
int nvec) {
- int max, n;
+ int max;
char **tracks;
if(nvec > 0)
max = config->new_max;
tracks = trackdb_new(0, max);
sink_printf(ev_writer_sink(c->w), "253 New track list follows\n");
- n = 0;
while(*tracks) {
sink_printf(ev_writer_sink(c->w), "%s%s\n",
**tracks == '.' ? "." : "", *tracks);
if(api == &uaudio_rtp) {
char **addr;
- netaddress_format(&config->broadcast, NULL, &addr);
- sink_printf(ev_writer_sink(c->w), "252 %s %s\n",
- quoteutf8(addr[1]),
- quoteutf8(addr[2]));
+ if(!strcmp(config->rtp_mode, "request"))
+ sink_printf(ev_writer_sink(c->w), "252 - -\n");
+ else {
+ netaddress_format(&config->broadcast, NULL, &addr);
+ sink_printf(ev_writer_sink(c->w), "252 %s %s\n",
+ quoteutf8(addr[1]),
+ quoteutf8(addr[2]));
+ }
} else
sink_writes(ev_writer_sink(c->w), "550 No RTP\n");
return 1;
}
+static int c_rtp_cancel(struct conn *c,
+ char attribute((unused)) **vec,
+ int attribute((unused)) nvec) {
+ if(!c->rtp_requested) {
+ sink_writes(ev_writer_sink(c->w), "550 No active RTP stream\n");
+ return 1;
+ }
+ rtp_request_cancel(&c->rtp_destination);
+ c->rtp_requested = 0;
+ sink_writes(ev_writer_sink(c->w), "250 Cancelled RTP stream\n");
+ return 1;
+}
+
+static int c_rtp_request(struct conn *c,
+ char **vec,
+ int attribute((unused)) nvec) {
+ static const struct addrinfo hints = {
+ .ai_family = AF_UNSPEC,
+ .ai_socktype = SOCK_DGRAM,
+ .ai_protocol = IPPROTO_UDP,
+ .ai_flags = AI_NUMERICHOST|AI_NUMERICSERV,
+ };
+ struct addrinfo *res;
+ int rc = getaddrinfo(vec[0], vec[1], &hints, &res);
+ if(rc) {
+ disorder_error(0, "%s port %s: %s",
+ vec[0], vec[1], gai_strerror(rc));
+ sink_writes(ev_writer_sink(c->w), "550 Invalid address\n");
+ return 1;
+ }
+ disorder_info("%s requested RTP stream to %s %s", c->who, vec[0], vec[1]);
+ /* TODO might be useful to tighten this up to restrict clients to targetting
+ * themselves only */
+ if(c->rtp_requested) {
+ rtp_request_cancel(&c->rtp_destination);
+ c->rtp_requested = 0;
+ }
+ memcpy(&c->rtp_destination, res->ai_addr, res->ai_addrlen);
+ freeaddrinfo(res);
+ rtp_request(&c->rtp_destination);
+ c->rtp_requested = 1;
+ sink_writes(ev_writer_sink(c->w), "250 Initiated RTP stream\n");
+ // TODO teardown on connection close
+ return 1;
+}
+
static int c_cookie(struct conn *c,
char **vec,
int attribute((unused)) nvec) {
revoke_cookie(c->cookie);
sink_writes(ev_writer_sink(c->w), "250 OK\n");
} else
- sink_writes(ev_writer_sink(c->w), "550 Did not log in with cookie\n");
+ sink_writes(ev_writer_sink(c->w), "510 Did not log in with cookie\n");
return 1;
}
if(!config->remote_userman && !(c->rights & RIGHT__LOCAL)) {
disorder_error(0, "S%x: remote adduser", c->tag);
- sink_writes(ev_writer_sink(c->w), "550 Remote user management is disabled\n");
+ sink_writes(ev_writer_sink(c->w), "510 Remote user management is disabled\n");
return 1;
}
if(nvec > 2) {
if(!config->remote_userman && !(c->rights & RIGHT__LOCAL)) {
disorder_error(0, "S%x: remote deluser", c->tag);
- sink_writes(ev_writer_sink(c->w), "550 Remote user management is disabled\n");
+ sink_writes(ev_writer_sink(c->w), "510 Remote user management is disabled\n");
return 1;
}
if(trackdb_deluser(vec[0])) {
if(!config->remote_userman && !(c->rights & RIGHT__LOCAL)) {
disorder_error(0, "S%x: remote edituser", c->tag);
- sink_writes(ev_writer_sink(c->w), "550 Remote user management is disabled\n");
+ sink_writes(ev_writer_sink(c->w), "510 Remote user management is disabled\n");
return 1;
}
/* RIGHT_ADMIN can do anything; otherwise you can only set your own email
&& !(c->rights & RIGHT__LOCAL)
&& strcmp(vec[1], "rights")) {
disorder_error(0, "S%x: remote userinfo %s %s", c->tag, vec[0], vec[1]);
- sink_writes(ev_writer_sink(c->w), "550 Remote user management is disabled\n");
+ sink_writes(ev_writer_sink(c->w), "510 Remote user management is disabled\n");
return 1;
}
/* RIGHT_ADMIN allows anything; otherwise you can only get your own email
}
user = xstrndup(vec[0], sep - vec[0]);
if(trackdb_confirm(user, vec[0], &rights))
- sink_writes(ev_writer_sink(c->w), "550 Incorrect confirmation string\n");
+ sink_writes(ev_writer_sink(c->w), "510 Incorrect confirmation string\n");
else {
c->who = user;
c->cookie = 0;
const char *who = kvp_get(actiondata, "who");
if(!who || !c->who || strcmp(who, c->who)) {
- sink_writes(ev_writer_sink(c->w), "551 Not authorized\n");
+ sink_writes(ev_writer_sink(c->w), "510 Not authorized\n");
return 1; /* completed */
}
}
case 0:
assert(!"cannot cope with success");
case EACCES:
- sink_writes(ev_writer_sink(c->w), "550 Access denied\n");
+ sink_writes(ev_writer_sink(c->w), "510 Access denied\n");
break;
case EINVAL:
sink_writes(ev_writer_sink(c->w), "550 Invalid playlist name\n");
return 1;
}
-static const struct command {
+/** @brief Server's definition of a command */
+static const struct server_command {
/** @brief Command name */
const char *name;
{ "resume", 0, 0, c_resume, RIGHT_PAUSE },
{ "revoke", 0, 0, c_revoke, RIGHT_READ },
{ "rtp-address", 0, 0, c_rtp_address, 0 },
+ { "rtp-cancel", 0, 0, c_rtp_cancel, 0 },
+ { "rtp-request", 2, 2, c_rtp_request, RIGHT_READ },
{ "schedule-add", 3, INT_MAX, c_schedule_add, RIGHT_READ },
{ "schedule-del", 1, 1, c_schedule_del, RIGHT_READ },
{ "schedule-get", 1, 1, c_schedule_get, RIGHT_READ },
int server_start(ev_source *ev, int pf,
size_t socklen, const struct sockaddr *sa,
- const char *name) {
+ const char *name,
+ int privileged) {
int fd;
struct listener *l = xmalloc(sizeof *l);
static const int one = 1;
- D(("server_init socket %s", name));
+ D(("server_init socket %s privileged=%d", name, privileged));
+ /* Sanity check */
+ if(privileged && pf != AF_UNIX)
+ disorder_fatal(0, "cannot create a privileged listener on a non-local port");
fd = xsocket(pf, SOCK_STREAM, 0);
xsetsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof one);
if(bind(fd, sa, socklen) < 0) {
cloexec(fd);
l->name = name;
l->pf = pf;
+ l->privileged = privileged;
if(ev_listen(ev, fd, listen_callback, l, "server listener"))
exit(EXIT_FAILURE);
disorder_info("listening on %s", name);
~mdw / disorder / blobdiff