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owntone-server/src/httpd_rsp.c
ejurgensen dbc798da4f [-] Workaround for mxml 2.10 memleak 
2.10's mxmlDelete memleaks, and mxml is used in many parts of forked-daapd. So
to avoid that we ship upstream's fixed version of mxmlDelete and use that.
2020-04-04 21:07:16 +02:00

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/*
* Copyright (C) 2009-2011 Julien BLACHE <jb@jblache.org>
*
* Adapted from mt-daapd:
* Copyright (C) 2006-2007 Ron Pedde <ron@pedde.com>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <limits.h>
#include "mxml-compat.h"
#include "httpd_rsp.h"
#include "logger.h"
#include "db.h"
#include "conffile.h"
#include "misc.h"
#include "httpd.h"
#include "transcode.h"
#include "rsp_query.h"
#define RSP_VERSION "1.0"
#define RSP_XML_ROOT "?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?"
#define F_FULL (1 << 0)
#define F_BROWSE (1 << 1)
#define F_ID (1 << 2)
#define F_DETAILED (1 << 3)
#define F_ALWAYS (F_FULL | F_BROWSE | F_ID | F_DETAILED)
struct field_map {
char *field;
size_t offset;
int flags;
};
static const struct field_map pl_fields[] =
{
{ "id", dbpli_offsetof(id), F_ALWAYS },
{ "title", dbpli_offsetof(title), F_FULL | F_BROWSE | F_DETAILED },
{ "type", dbpli_offsetof(type), F_DETAILED },
{ "items", dbpli_offsetof(items), F_FULL | F_BROWSE | F_DETAILED },
{ "query", dbpli_offsetof(query), F_DETAILED },
{ "db_timestamp", dbpli_offsetof(db_timestamp), F_DETAILED },
{ "path", dbpli_offsetof(path), F_DETAILED },
{ "index", dbpli_offsetof(index), F_DETAILED },
{ NULL, 0, 0 }
};
static const struct field_map rsp_fields[] =
{
{ "id", dbmfi_offsetof(id), F_ALWAYS },
{ "path", dbmfi_offsetof(path), F_DETAILED },
{ "fname", dbmfi_offsetof(fname), F_DETAILED },
{ "title", dbmfi_offsetof(title), F_ALWAYS },
{ "artist", dbmfi_offsetof(artist), F_DETAILED | F_FULL | F_BROWSE },
{ "album", dbmfi_offsetof(album), F_DETAILED | F_FULL | F_BROWSE },
{ "genre", dbmfi_offsetof(genre), F_DETAILED | F_FULL },
{ "comment", dbmfi_offsetof(comment), F_DETAILED | F_FULL },
{ "type", dbmfi_offsetof(type), F_ALWAYS },
{ "composer", dbmfi_offsetof(composer), F_DETAILED | F_FULL },
{ "orchestra", dbmfi_offsetof(orchestra), F_DETAILED | F_FULL },
{ "conductor", dbmfi_offsetof(conductor), F_DETAILED | F_FULL },
{ "url", dbmfi_offsetof(url), F_DETAILED | F_FULL },
{ "bitrate", dbmfi_offsetof(bitrate), F_DETAILED | F_FULL },
{ "samplerate", dbmfi_offsetof(samplerate), F_DETAILED | F_FULL },
{ "song_length", dbmfi_offsetof(song_length), F_DETAILED | F_FULL },
{ "file_size", dbmfi_offsetof(file_size), F_DETAILED | F_FULL },
{ "year", dbmfi_offsetof(year), F_DETAILED | F_FULL },
{ "track", dbmfi_offsetof(track), F_DETAILED | F_FULL | F_BROWSE },
{ "total_tracks", dbmfi_offsetof(total_tracks), F_DETAILED | F_FULL },
{ "disc", dbmfi_offsetof(disc), F_DETAILED | F_FULL | F_BROWSE },
{ "total_discs", dbmfi_offsetof(total_discs), F_DETAILED | F_FULL },
{ "bpm", dbmfi_offsetof(bpm), F_DETAILED | F_FULL },
{ "compilation", dbmfi_offsetof(compilation), F_DETAILED | F_FULL },
{ "rating", dbmfi_offsetof(rating), F_DETAILED | F_FULL },
{ "play_count", dbmfi_offsetof(play_count), F_DETAILED | F_FULL },
{ "skip_count", dbmfi_offsetof(skip_count), F_DETAILED | F_FULL },
{ "data_kind", dbmfi_offsetof(data_kind), F_DETAILED },
{ "item_kind", dbmfi_offsetof(item_kind), F_DETAILED },
{ "description", dbmfi_offsetof(description), F_DETAILED | F_FULL },
{ "time_added", dbmfi_offsetof(time_added), F_DETAILED | F_FULL },
{ "time_modified", dbmfi_offsetof(time_modified), F_DETAILED | F_FULL },
{ "time_played", dbmfi_offsetof(time_played), F_DETAILED | F_FULL },
{ "time_skipped", dbmfi_offsetof(time_skipped), F_DETAILED | F_FULL },
{ "db_timestamp", dbmfi_offsetof(db_timestamp), F_DETAILED },
{ "disabled", dbmfi_offsetof(disabled), F_ALWAYS },
{ "sample_count", dbmfi_offsetof(sample_count), F_DETAILED },
{ "codectype", dbmfi_offsetof(codectype), F_ALWAYS },
{ "idx", dbmfi_offsetof(idx), F_DETAILED },
{ "has_video", dbmfi_offsetof(has_video), F_DETAILED },
{ "contentrating", dbmfi_offsetof(contentrating), F_DETAILED },
{ NULL, 0, 0 }
};
/* -------------------------------- HELPERS --------------------------------- */
static struct evbuffer *
mxml_to_evbuf(mxml_node_t *tree)
{
struct evbuffer *evbuf;
char *xml;
int ret;
evbuf = evbuffer_new();
if (!evbuf)
{
DPRINTF(E_LOG, L_RSP, "Could not create evbuffer for RSP reply\n");
return NULL;
}
xml = mxmlSaveAllocString(tree, MXML_NO_CALLBACK);
if (!xml)
{
DPRINTF(E_LOG, L_RSP, "Could not finalize RSP reply\n");
evbuffer_free(evbuf);
return NULL;
}
ret = evbuffer_add(evbuf, xml, strlen(xml));
free(xml);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Could not load evbuffer for RSP reply\n");
evbuffer_free(evbuf);
return NULL;
}
return evbuf;
}
static void
rsp_send_error(struct evhttp_request *req, char *errmsg)
{
struct evbuffer *evbuf;
struct evkeyvalq *headers;
mxml_node_t *reply;
mxml_node_t *status;
mxml_node_t *node;
/* We'd use mxmlNewXML(), but then we can't put any attributes
* on the root node and we need some.
*/
reply = mxmlNewElement(MXML_NO_PARENT, RSP_XML_ROOT);
node = mxmlNewElement(reply, "response");
status = mxmlNewElement(node, "status");
/* Status block */
node = mxmlNewElement(status, "errorcode");
mxmlNewText(node, 0, "1");
node = mxmlNewElement(status, "errorstring");
mxmlNewText(node, 0, errmsg);
node = mxmlNewElement(status, "records");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "totalrecords");
mxmlNewText(node, 0, "0");
evbuf = mxml_to_evbuf(reply);
mxmlDelete(reply);
if (!evbuf)
{
httpd_send_error(req, HTTP_SERVUNAVAIL, "Internal Server Error");
return;
}
headers = evhttp_request_get_output_headers(req);
evhttp_add_header(headers, "Content-Type", "text/xml; charset=utf-8");
evhttp_add_header(headers, "Connection", "close");
httpd_send_reply(req, HTTP_OK, "OK", evbuf, HTTPD_SEND_NO_GZIP);
evbuffer_free(evbuf);
}
static int
query_params_set(struct query_params *qp, struct httpd_request *hreq)
{
const char *param;
int ret;
qp->offset = 0;
param = evhttp_find_header(hreq->query, "offset");
if (param)
{
ret = safe_atoi32(param, &qp->offset);
if (ret < 0)
{
rsp_send_error(hreq->req, "Invalid offset");
return -1;
}
}
qp->limit = 0;
param = evhttp_find_header(hreq->query, "limit");
if (param)
{
ret = safe_atoi32(param, &qp->limit);
if (ret < 0)
{
rsp_send_error(hreq->req, "Invalid limit");
return -1;
}
}
if (qp->offset || qp->limit)
qp->idx_type = I_SUB;
else
qp->idx_type = I_NONE;
param = evhttp_find_header(hreq->query, "query");
if (param)
{
DPRINTF(E_DBG, L_RSP, "RSP browse query filter: %s\n", param);
qp->filter = rsp_query_parse_sql(param);
if (!qp->filter)
DPRINTF(E_LOG, L_RSP, "Ignoring improper RSP query\n");
}
return 0;
}
static void
rsp_send_reply(struct evhttp_request *req, mxml_node_t *reply)
{
struct evbuffer *evbuf;
struct evkeyvalq *headers;
evbuf = mxml_to_evbuf(reply);
mxmlDelete(reply);
if (!evbuf)
{
rsp_send_error(req, "Could not finalize reply");
return;
}
headers = evhttp_request_get_output_headers(req);
evhttp_add_header(headers, "Content-Type", "text/xml; charset=utf-8");
evhttp_add_header(headers, "Connection", "close");
httpd_send_reply(req, HTTP_OK, "OK", evbuf, 0);
evbuffer_free(evbuf);
}
static int
rsp_request_authorize(struct httpd_request *hreq)
{
char *passwd;
int ret;
if (peer_address_is_trusted(hreq->peer_address))
return 0;
passwd = cfg_getstr(cfg_getsec(cfg, "library"), "password");
if (!passwd)
return 0;
DPRINTF(E_DBG, L_RSP, "Checking authentication for library\n");
// We don't care about the username
ret = httpd_basic_auth(hreq->req, NULL, passwd, cfg_getstr(cfg_getsec(cfg, "library"), "name"));
if (ret != 0)
{
DPRINTF(E_LOG, L_RSP, "Unsuccessful library authorization attempt from '%s'\n", hreq->peer_address);
return -1;
}
return 0;
}
/* --------------------------- REPLY HANDLERS ------------------------------- */
static int
rsp_reply_info(struct httpd_request *hreq)
{
mxml_node_t *reply;
mxml_node_t *status;
mxml_node_t *info;
mxml_node_t *node;
cfg_t *lib;
char *library;
uint32_t songcount;
db_files_get_count(&songcount, NULL, NULL);
lib = cfg_getsec(cfg, "library");
library = cfg_getstr(lib, "name");
/* We'd use mxmlNewXML(), but then we can't put any attributes
* on the root node and we need some.
*/
reply = mxmlNewElement(MXML_NO_PARENT, RSP_XML_ROOT);
node = mxmlNewElement(reply, "response");
status = mxmlNewElement(node, "status");
info = mxmlNewElement(node, "info");
/* Status block */
node = mxmlNewElement(status, "errorcode");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "errorstring");
mxmlNewText(node, 0, "");
node = mxmlNewElement(status, "records");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "totalrecords");
mxmlNewText(node, 0, "0");
/* Info block */
node = mxmlNewElement(info, "count");
mxmlNewTextf(node, 0, "%d", (int)songcount);
node = mxmlNewElement(info, "rsp-version");
mxmlNewText(node, 0, RSP_VERSION);
node = mxmlNewElement(info, "server-version");
mxmlNewText(node, 0, VERSION);
node = mxmlNewElement(info, "name");
mxmlNewText(node, 0, library);
rsp_send_reply(hreq->req, reply);
return 0;
}
static int
rsp_reply_db(struct httpd_request *hreq)
{
struct query_params qp;
struct db_playlist_info dbpli;
char **strval;
mxml_node_t *reply;
mxml_node_t *status;
mxml_node_t *pls;
mxml_node_t *pl;
mxml_node_t *node;
int i;
int ret;
memset(&qp, 0, sizeof(struct query_params));
qp.type = Q_PL;
qp.idx_type = I_NONE;
ret = db_query_start(&qp);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(hreq->req, "Could not start query");
return -1;
}
/* We'd use mxmlNewXML(), but then we can't put any attributes
* on the root node and we need some.
*/
reply = mxmlNewElement(MXML_NO_PARENT, RSP_XML_ROOT);
node = mxmlNewElement(reply, "response");
status = mxmlNewElement(node, "status");
pls = mxmlNewElement(node, "playlists");
/* Status block */
node = mxmlNewElement(status, "errorcode");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "errorstring");
mxmlNewText(node, 0, "");
node = mxmlNewElement(status, "records");
mxmlNewTextf(node, 0, "%d", qp.results);
node = mxmlNewElement(status, "totalrecords");
mxmlNewTextf(node, 0, "%d", qp.results);
/* Playlists block (all playlists) */
while (((ret = db_query_fetch_pl(&qp, &dbpli)) == 0) && (dbpli.id))
{
/* Playlist block (one playlist) */
pl = mxmlNewElement(pls, "playlist");
for (i = 0; pl_fields[i].field; i++)
{
if (pl_fields[i].flags & F_FULL)
{
strval = (char **) ((char *)&dbpli + pl_fields[i].offset);
node = mxmlNewElement(pl, pl_fields[i].field);
mxmlNewText(node, 0, *strval);
}
}
}
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Error fetching results\n");
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(hreq->req, "Error fetching query results");
return -1;
}
/* HACK
* Add a dummy empty string to the playlists element if there is no data
* to return - this prevents mxml from sending out an empty <playlists/>
* tag that the SoundBridge does not handle. It's hackish, but it works.
*/
if (qp.results == 0)
mxmlNewText(pls, 0, "");
db_query_end(&qp);
rsp_send_reply(hreq->req, reply);
return 0;
}
static int
rsp_reply_playlist(struct httpd_request *hreq)
{
struct query_params qp;
struct db_media_file_info dbmfi;
struct evkeyvalq *headers;
const char *param;
const char *ua;
const char *client_codecs;
char **strval;
mxml_node_t *reply;
mxml_node_t *status;
mxml_node_t *items;
mxml_node_t *item;
mxml_node_t *node;
int mode;
int records;
int transcode;
int32_t bitrate;
int i;
int ret;
memset(&qp, 0, sizeof(struct query_params));
ret = safe_atoi32(hreq->uri_parsed->path_parts[2], &qp.id);
if (ret < 0)
{
rsp_send_error(hreq->req, "Invalid playlist ID");
return -1;
}
if (qp.id == 0)
qp.type = Q_ITEMS;
else
qp.type = Q_PLITEMS;
qp.sort = S_NAME;
mode = F_FULL;
param = evhttp_find_header(hreq->query, "type");
if (param)
{
if (strcasecmp(param, "full") == 0)
mode = F_FULL;
else if (strcasecmp(param, "browse") == 0)
mode = F_BROWSE;
else if (strcasecmp(param, "id") == 0)
mode = F_ID;
else if (strcasecmp(param, "detailed") == 0)
mode = F_DETAILED;
else
DPRINTF(E_LOG, L_RSP, "Unknown browse mode %s\n", param);
}
ret = query_params_set(&qp, hreq);
if (ret < 0)
return -1;
ret = db_query_start(&qp);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(hreq->req, "Could not start query");
if (qp.filter)
free(qp.filter);
return -1;
}
if (qp.offset > qp.results)
records = 0;
else
records = qp.results - qp.offset;
if (qp.limit && (records > qp.limit))
records = qp.limit;
/* We'd use mxmlNewXML(), but then we can't put any attributes
* on the root node and we need some.
*/
reply = mxmlNewElement(MXML_NO_PARENT, RSP_XML_ROOT);
node = mxmlNewElement(reply, "response");
status = mxmlNewElement(node, "status");
items = mxmlNewElement(node, "items");
/* Status block */
node = mxmlNewElement(status, "errorcode");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "errorstring");
mxmlNewText(node, 0, "");
node = mxmlNewElement(status, "records");
mxmlNewTextf(node, 0, "%d", records);
node = mxmlNewElement(status, "totalrecords");
mxmlNewTextf(node, 0, "%d", qp.results);
/* Items block (all items) */
while (((ret = db_query_fetch_file(&qp, &dbmfi)) == 0) && (dbmfi.id))
{
headers = evhttp_request_get_input_headers(hreq->req);
ua = evhttp_find_header(headers, "User-Agent");
client_codecs = evhttp_find_header(headers, "Accept-Codecs");
transcode = transcode_needed(ua, client_codecs, dbmfi.codectype);
/* Item block (one item) */
item = mxmlNewElement(items, "item");
for (i = 0; rsp_fields[i].field; i++)
{
if (!(rsp_fields[i].flags & mode))
continue;
strval = (char **) ((char *)&dbmfi + rsp_fields[i].offset);
if (!(*strval) || (strlen(*strval) == 0))
continue;
node = mxmlNewElement(item, rsp_fields[i].field);
if (!transcode)
mxmlNewText(node, 0, *strval);
else
{
switch (rsp_fields[i].offset)
{
case dbmfi_offsetof(type):
mxmlNewText(node, 0, "wav");
break;
case dbmfi_offsetof(bitrate):
bitrate = 0;
ret = safe_atoi32(dbmfi.samplerate, &bitrate);
if ((ret < 0) || (bitrate == 0))
bitrate = 1411;
else
bitrate = (bitrate * 8) / 250;
mxmlNewTextf(node, 0, "%d", bitrate);
break;
case dbmfi_offsetof(description):
mxmlNewText(node, 0, "wav audio file");
break;
case dbmfi_offsetof(codectype):
mxmlNewText(node, 0, "wav");
node = mxmlNewElement(item, "original_codec");
mxmlNewText(node, 0, *strval);
break;
default:
mxmlNewText(node, 0, *strval);
break;
}
}
}
}
if (qp.filter)
free(qp.filter);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Error fetching results\n");
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(hreq->req, "Error fetching query results");
return -1;
}
/* HACK
* Add a dummy empty string to the items element if there is no data
* to return - this prevents mxml from sending out an empty <items/>
* tag that the SoundBridge does not handle. It's hackish, but it works.
*/
if (qp.results == 0)
mxmlNewText(items, 0, "");
db_query_end(&qp);
rsp_send_reply(hreq->req, reply);
return 0;
}
static int
rsp_reply_browse(struct httpd_request *hreq)
{
struct query_params qp;
char *browse_item;
mxml_node_t *reply;
mxml_node_t *status;
mxml_node_t *items;
mxml_node_t *node;
int records;
int ret;
memset(&qp, 0, sizeof(struct query_params));
if (strcmp(hreq->uri_parsed->path_parts[3], "artist") == 0)
{
qp.type = Q_BROWSE_ARTISTS;
}
else if (strcmp(hreq->uri_parsed->path_parts[3], "genre") == 0)
{
qp.type = Q_BROWSE_GENRES;
}
else if (strcmp(hreq->uri_parsed->path_parts[3], "album") == 0)
{
qp.type = Q_BROWSE_ALBUMS;
}
else if (strcmp(hreq->uri_parsed->path_parts[3], "composer") == 0)
{
qp.type = Q_BROWSE_COMPOSERS;
}
else
{
DPRINTF(E_LOG, L_RSP, "Unsupported browse type '%s'\n", hreq->uri_parsed->path_parts[3]);
rsp_send_error(hreq->req, "Unsupported browse type");
return -1;
}
ret = safe_atoi32(hreq->uri_parsed->path_parts[2], &qp.id);
if (ret < 0)
{
rsp_send_error(hreq->req, "Invalid playlist ID");
return -1;
}
ret = query_params_set(&qp, hreq);
if (ret < 0)
return -1;
ret = db_query_start(&qp);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Could not start query\n");
rsp_send_error(hreq->req, "Could not start query");
if (qp.filter)
free(qp.filter);
return -1;
}
if (qp.offset > qp.results)
records = 0;
else
records = qp.results - qp.offset;
if (qp.limit && (records > qp.limit))
records = qp.limit;
/* We'd use mxmlNewXML(), but then we can't put any attributes
* on the root node and we need some.
*/
reply = mxmlNewElement(MXML_NO_PARENT, RSP_XML_ROOT);
node = mxmlNewElement(reply, "response");
status = mxmlNewElement(node, "status");
items = mxmlNewElement(node, "items");
/* Status block */
node = mxmlNewElement(status, "errorcode");
mxmlNewText(node, 0, "0");
node = mxmlNewElement(status, "errorstring");
mxmlNewText(node, 0, "");
node = mxmlNewElement(status, "records");
mxmlNewTextf(node, 0, "%d", records);
node = mxmlNewElement(status, "totalrecords");
mxmlNewTextf(node, 0, "%d", qp.results);
/* Items block (all items) */
while (((ret = db_query_fetch_string(&qp, &browse_item)) == 0) && (browse_item))
{
node = mxmlNewElement(items, "item");
mxmlNewText(node, 0, browse_item);
}
if (qp.filter)
free(qp.filter);
if (ret < 0)
{
DPRINTF(E_LOG, L_RSP, "Error fetching results\n");
mxmlDelete(reply);
db_query_end(&qp);
rsp_send_error(hreq->req, "Error fetching query results");
return -1;
}
/* HACK
* Add a dummy empty string to the items element if there is no data
* to return - this prevents mxml from sending out an empty <items/>
* tag that the SoundBridge does not handle. It's hackish, but it works.
*/
if (qp.results == 0)
mxmlNewText(items, 0, "");
db_query_end(&qp);
rsp_send_reply(hreq->req, reply);
return 0;
}
static int
rsp_stream(struct httpd_request *hreq)
{
int id;
int ret;
ret = safe_atoi32(hreq->uri_parsed->path_parts[2], &id);
if (ret < 0)
{
httpd_send_error(hreq->req, HTTP_BADREQUEST, "Bad Request");
return -1;
}
httpd_stream_file(hreq->req, id);
return 0;
}
static struct httpd_uri_map rsp_handlers[] =
{
{
.regexp = "^/rsp/info$",
.handler = rsp_reply_info
},
{
.regexp = "^/rsp/db$",
.handler = rsp_reply_db
},
{
.regexp = "^/rsp/db/[[:digit:]]+$",
.handler = rsp_reply_playlist
},
{
.regexp = "^/rsp/db/[[:digit:]]+/[^/]+$",
.handler = rsp_reply_browse
},
{
.regexp = "^/rsp/stream/[[:digit:]]+$",
.handler = rsp_stream
},
{
.regexp = NULL,
.handler = NULL
}
};
/* -------------------------------- RSP API --------------------------------- */
void
rsp_request(struct evhttp_request *req, struct httpd_uri_parsed *uri_parsed)
{
struct httpd_request *hreq;
int ret;
DPRINTF(E_DBG, L_RSP, "RSP request: '%s'\n", uri_parsed->uri);
hreq = httpd_request_parse(req, uri_parsed, NULL, rsp_handlers);
if (!hreq)
{
DPRINTF(E_LOG, L_RSP, "Unrecognized path '%s' in RSP request: '%s'\n", uri_parsed->path, uri_parsed->uri);
rsp_send_error(req, "Server error");
return;
}
ret = rsp_request_authorize(hreq);
if (ret < 0)
{
rsp_send_error(req, "Access denied");
free(hreq);
return;
}
hreq->handler(hreq);
free(hreq);
}
int
rsp_is_request(const char *path)
{
if (strncmp(path, "/rsp/", strlen("/rsp/")) == 0)
return 1;
return 0;
}
int
rsp_init(void)
{
char buf[64];
int i;
int ret;
for (i = 0; rsp_handlers[i].handler; i++)
{
ret = regcomp(&rsp_handlers[i].preg, rsp_handlers[i].regexp, REG_EXTENDED | REG_NOSUB);
if (ret != 0)
{
regerror(ret, &rsp_handlers[i].preg, buf, sizeof(buf));
DPRINTF(E_FATAL, L_RSP, "RSP init failed; regexp error: %s\n", buf);
return -1;
}
}
return 0;
}
void
rsp_deinit(void)
{
int i;
for (i = 0; rsp_handlers[i].handler; i++)
regfree(&rsp_handlers[i].preg);
}
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