cfgfile.c 94.3 KB
Newer Older
1 2 3 4 5
/* Icecast
 *
 * This program is distributed under the GNU General Public License, version 2.
 * A copy of this license is included with this source.
 *
6
 * Copyright 2000-2004, Jack Moffitt <jack@xiph.org,
7 8 9 10
 *                      Michael Smith <msmith@xiph.org>,
 *                      oddsock <oddsock@xiph.org>,
 *                      Karl Heyes <karl@xiph.org>
 *                      and others (see AUTHORS for details).
11 12
 * Copyright 2011,      Dave 'justdave' Miller <justdave@mozilla.com>.
 * Copyright 2011-2014, Thomas B. "dm8tbr" Ruecker <thomas@ruecker.fi>,
13
 * Copyright 2011-2014, Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>,
14 15
 */

16 17 18 19 20 21 22
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
23
#ifndef _WIN32
24
#include <fnmatch.h>
25
#endif
26 27 28
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>

Marvin Scholz's avatar
Marvin Scholz committed
29
#include "common/thread/thread.h"
30
#include "cfgfile.h"
31
#include "global.h"
32 33
#include "refbuf.h"
#include "client.h"
34 35 36 37
#include "logging.h"
#include "util.h"
#include "auth.h"
#include "event.h"
38
#include "tls.h"
39

40 41 42 43
/* for config_reread_config() */
#include "yp.h"
#include "fserve.h"
#include "stats.h"
44
#include "connection.h"
45

Marvin Scholz's avatar
Marvin Scholz committed
46 47 48 49 50
#define CATMODULE                       "CONFIG"
#define CONFIG_DEFAULT_LOCATION         "Earth"
#define CONFIG_DEFAULT_ADMIN            "icemaster@localhost"
#define CONFIG_DEFAULT_CLIENT_LIMIT     256
#define CONFIG_DEFAULT_SOURCE_LIMIT     16
51
#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (500*1024)
Marvin Scholz's avatar
Marvin Scholz committed
52 53 54 55 56 57 58
#define CONFIG_DEFAULT_BURST_SIZE       (64*1024)
#define CONFIG_DEFAULT_THREADPOOL_SIZE  4
#define CONFIG_DEFAULT_CLIENT_TIMEOUT   30
#define CONFIG_DEFAULT_HEADER_TIMEOUT   15
#define CONFIG_DEFAULT_SOURCE_TIMEOUT   10
#define CONFIG_DEFAULT_MASTER_USERNAME  "relay"
#define CONFIG_DEFAULT_SHOUTCAST_MOUNT  "/stream"
59
#define CONFIG_DEFAULT_SHOUTCAST_USER   "source"
Marvin Scholz's avatar
Marvin Scholz committed
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102
#define CONFIG_DEFAULT_FILESERVE        1
#define CONFIG_DEFAULT_TOUCH_FREQ       5
#define CONFIG_DEFAULT_HOSTNAME         "localhost"
#define CONFIG_DEFAULT_PLAYLIST_LOG     NULL
#define CONFIG_DEFAULT_ACCESS_LOG       "access.log"
#define CONFIG_DEFAULT_ERROR_LOG        "error.log"
#define CONFIG_DEFAULT_LOG_LEVEL        ICECAST_LOGLEVEL_INFO
#define CONFIG_DEFAULT_CHROOT           0
#define CONFIG_DEFAULT_CHUID            0
#define CONFIG_DEFAULT_USER             NULL
#define CONFIG_DEFAULT_GROUP            NULL
#define CONFIG_MASTER_UPDATE_INTERVAL   120
#define CONFIG_YP_URL_TIMEOUT           10
#define CONFIG_DEFAULT_CIPHER_LIST      "ECDHE-RSA-AES128-GCM-SHA256:"\
                                        "ECDHE-ECDSA-AES128-GCM-SHA256:"\
                                        "ECDHE-RSA-AES256-GCM-SHA384:"\
                                        "ECDHE-ECDSA-AES256-GCM-SHA384:"\
                                        "DHE-RSA-AES128-GCM-SHA256:"\
                                        "DHE-DSS-AES128-GCM-SHA256:"\
                                        "kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:"\
                                        "ECDHE-ECDSA-AES128-SHA256:"\
                                        "ECDHE-RSA-AES128-SHA:"\
                                        "ECDHE-ECDSA-AES128-SHA:"\
                                        "ECDHE-RSA-AES256-SHA384:"\
                                        "ECDHE-ECDSA-AES256-SHA384:"\
                                        "ECDHE-RSA-AES256-SHA:"\
                                        "ECDHE-ECDSA-AES256-SHA:"\
                                        "DHE-RSA-AES128-SHA256:"\
                                        "DHE-RSA-AES128-SHA:"\
                                        "DHE-DSS-AES128-SHA256:"\
                                        "DHE-RSA-AES256-SHA256:"\
                                        "DHE-DSS-AES256-SHA:"\
                                        "DHE-RSA-AES256-SHA:"\
                                        "ECDHE-RSA-DES-CBC3-SHA:"\
                                        "ECDHE-ECDSA-DES-CBC3-SHA:"\
                                        "AES128-GCM-SHA256:AES256-GCM-SHA384:"\
                                        "AES128-SHA256:AES256-SHA256:"\
                                        "AES128-SHA:AES256-SHA:AES:"\
                                        "DES-CBC3-SHA:HIGH:!aNULL:!eNULL:"\
                                        "!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:"\
                                        "!EDH-DSS-DES-CBC3-SHA:"\
                                        "!EDH-RSA-DES-CBC3-SHA:"\
                                        "!KRB5-DES-CBC3-SHA"
103 104

#ifndef _WIN32
Marvin Scholz's avatar
Marvin Scholz committed
105 106 107 108 109 110
#define CONFIG_DEFAULT_BASE_DIR         "/usr/local/icecast"
#define CONFIG_DEFAULT_LOG_DIR          "/usr/local/icecast/logs"
#define CONFIG_DEFAULT_WEBROOT_DIR      "/usr/local/icecast/webroot"
#define CONFIG_DEFAULT_ADMINROOT_DIR    "/usr/local/icecast/admin"
#define CONFIG_DEFAULT_NULL_FILE        "/dev/null"
#define MIMETYPESFILE                   "/etc/mime.types"
111
#else
Marvin Scholz's avatar
Marvin Scholz committed
112 113 114 115 116 117
#define CONFIG_DEFAULT_BASE_DIR         ".\\"
#define CONFIG_DEFAULT_LOG_DIR          ".\\logs"
#define CONFIG_DEFAULT_WEBROOT_DIR      ".\\webroot"
#define CONFIG_DEFAULT_ADMINROOT_DIR    ".\\admin"
#define CONFIG_DEFAULT_NULL_FILE        "nul:"
#define MIMETYPESFILE                   ".\\mime.types"
118 119 120 121 122 123 124 125 126 127 128 129
#endif

static ice_config_t _current_configuration;
static ice_config_locks _locks;

static void _set_defaults(ice_config_t *c);
static void _parse_root(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_limits(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_directory(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_paths(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_logging(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_security(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
Marvin Scholz's avatar
Marvin Scholz committed
130 131 132 133 134 135 136 137 138 139

static void _parse_authentication(xmlDocPtr                 doc,
                                  xmlNodePtr                node,
                                  ice_config_t             *c,
                                  char                    **source_password);

static void _parse_http_headers(xmlDocPtr                   doc,
                                xmlNodePtr                  node,
                                ice_config_http_header_t  **http_headers);

140 141
static void _parse_relay(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_mount(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
Marvin Scholz's avatar
Marvin Scholz committed
142 143 144 145 146

static void _parse_listen_socket(xmlDocPtr                  doc,
                                 xmlNodePtr                 node,
                                 ice_config_t              *c);

147
static void _add_server(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
148
static void _parse_events(event_registration_t **events, xmlNodePtr node);
149

150 151 152
static void merge_mounts(mount_proxy * dst, mount_proxy * src);
static inline void _merge_mounts_all(ice_config_t *c);

Marvin Scholz's avatar
Marvin Scholz committed
153 154
operation_mode config_str_to_omode(const char *str)
{
155 156 157 158 159 160 161 162
    if (!str || !*str)
        return OMODE_DEFAULT;
    if (strcasecmp(str, "default") == 0) {
        return OMODE_DEFAULT;
    } else if (strcasecmp(str, "normal") == 0) {
        return OMODE_NORMAL;
    } else if (strcasecmp(str, "legacy-compat") == 0 || strcasecmp(str, "legacy") == 0) {
        return OMODE_LEGACY;
163 164
    } else if (strcasecmp(str, "strict") == 0) {
        return OMODE_STRICT;
165 166 167 168 169 170
    } else {
        ICECAST_LOG_ERROR("Unknown operation mode \"%s\", falling back to DEFAULT.", str);
        return OMODE_DEFAULT;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
171 172
static void create_locks(void)
{
173
    thread_mutex_create(&_locks.relay_lock);
174
    thread_rwlock_create(&_locks.config_lock);
175 176
}

Marvin Scholz's avatar
Marvin Scholz committed
177 178
static void release_locks(void)
{
179
    thread_mutex_destroy(&_locks.relay_lock);
180
    thread_rwlock_destroy(&_locks.config_lock);
181 182
}

Marvin Scholz's avatar
Marvin Scholz committed
183 184
void config_initialize(void)
{
185 186 187
    create_locks();
}

Marvin Scholz's avatar
Marvin Scholz committed
188 189
void config_shutdown(void)
{
190 191 192 193 194 195 196 197 198 199 200 201
    config_get_config();
    config_clear(&_current_configuration);
    config_release_config();
    release_locks();
}

void config_init_configuration(ice_config_t *configuration)
{
    memset(configuration, 0, sizeof(ice_config_t));
    _set_defaults(configuration);
}

202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225
static inline void __read_int(xmlDocPtr doc, xmlNodePtr node, int *val, const char *warning)
{
    char *str = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
    if (!str || !*str) {
        ICECAST_LOG_WARN("%s", warning);
    } else {
        *val = util_str_to_int(str, *val);
    }
    if (str)
        xmlFree(str);
}

static inline void __read_unsigned_int(xmlDocPtr doc, xmlNodePtr node, unsigned int *val, const char *warning)
{
    char *str = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
    if (!str || !*str) {
        ICECAST_LOG_WARN("%s", warning);
    } else {
        *val = util_str_to_unsigned_int(str, *val);
    }
    if (str)
        xmlFree(str);
}         

Marvin Scholz's avatar
Marvin Scholz committed
226 227
static inline int __parse_public(const char *str)
{
228 229 230 231 232 233 234 235 236 237 238 239
    /* values that are not bool */
    if (strcasecmp(str, "client") == 0)
        return -1;

    /* old way of doing so */
    if (strcmp(str, "-1") == 0)
        return -1;

    /* ok, only normal bool left! */
    return util_str_to_bool(str);
}

240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
/* This converts TLS mode strings to (tlsmode_t).
 * In older versions of Icecast2 this was just a bool.
 * So we need to handle boolean values as well.
 * See also: util_str_to_bool().
 */
static tlsmode_t str_to_tlsmode(const char *str) {
    /* consider NULL and empty strings as auto mode */
    if (!str || !*str)
        return ICECAST_TLSMODE_AUTO;

    if (strcasecmp(str, "disabled") == 0) {
        return ICECAST_TLSMODE_DISABLED;
    } else if (strcasecmp(str, "auto") == 0) {
        return ICECAST_TLSMODE_AUTO;
    } else if (strcasecmp(str, "auto_no_plain") == 0) {
        return ICECAST_TLSMODE_AUTO_NO_PLAIN;
    } else if (strcasecmp(str, "rfc2817") == 0) {
        return ICECAST_TLSMODE_RFC2817;
    } else if (strcasecmp(str, "rfc2818") == 0 ||
               /* boolean-style values */
               strcasecmp(str, "true") == 0 ||
               strcasecmp(str, "yes")  == 0 ||
               strcasecmp(str, "on")   == 0 ) {
        return ICECAST_TLSMODE_RFC2818;
    }

    /* old style numbers: consider everyting non-zero RFC2818 */
    if (atoi(str))
        return ICECAST_TLSMODE_RFC2818;

    /* we default to auto mode */
    return ICECAST_TLSMODE_AUTO;
}

274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293
/* This checks for the TLS implementation of a node */
static int __check_node_impl(xmlNodePtr node, const char *def)
{
    char *impl;
    int res;

    impl = (char *)xmlGetProp(node, XMLSTR("implementation"));
    if (!impl)
        impl = (char *)xmlGetProp(node, XMLSTR("impl"));
    if (!impl)
        impl = (char *)xmlStrdup(XMLSTR(def));

    res = tls_check_impl(impl);

    xmlFree(impl);

    return res;
}


Marvin Scholz's avatar
Marvin Scholz committed
294 295 296 297 298 299 300 301 302 303 304 305 306 307
static void __append_old_style_auth(auth_stack_t       **stack,
                                    const char          *name,
                                    const char          *type,
                                    const char          *username,
                                    const char          *password,
                                    const char          *method,
                                    const char          *allow_method,
                                    int                  allow_web,
                                    const char          *allow_admin)
{
    xmlNodePtr  role,
                user,
                pass;
    auth_t     *auth;
Philipp Schafft's avatar
Philipp Schafft committed
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356

    if (!type)
        return;

    role = xmlNewNode(NULL, XMLSTR("role"));

    xmlSetProp(role, XMLSTR("type"), XMLSTR(type));
    xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
    if (allow_method)
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR(allow_method));

    if (name)
        xmlSetProp(role, XMLSTR("name"), XMLSTR(name));

    if (method)
        xmlSetProp(role, XMLSTR("method"), XMLSTR(method));

    if (allow_web) {
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("deny-web"), XMLSTR("*"));
    }

    if (allow_admin && strcmp(allow_admin, "*") == 0) {
        xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("deny-admin"), XMLSTR("*"));
        if (allow_admin)
            xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR(allow_admin));
    }

    if (username) {
        user = xmlNewChild(role, NULL, XMLSTR("option"), NULL);
        xmlSetProp(user, XMLSTR("name"), XMLSTR("username"));
        xmlSetProp(user, XMLSTR("value"), XMLSTR(username));
    }
    if (password) {
        pass = xmlNewChild(role, NULL, XMLSTR("option"), NULL);
        xmlSetProp(pass, XMLSTR("name"), XMLSTR("password"));
        xmlSetProp(pass, XMLSTR("value"), XMLSTR(password));
    }

    auth = auth_get_authenticator(role);
    auth_stack_push(stack, auth);
    auth_release(auth);

    xmlFreeNode(role);
}

Marvin Scholz's avatar
Marvin Scholz committed
357 358 359 360
static void __append_option_tag(xmlNodePtr  parent,
                                const char *name,
                                const char *value)
{
Philipp Schafft's avatar
Philipp Schafft committed
361 362 363 364 365 366 367 368 369 370
    xmlNodePtr node;

    if (!name || !value)
        return;

    node = xmlNewChild(parent, NULL, XMLSTR("option"), NULL);
    xmlSetProp(node, XMLSTR("name"), XMLSTR(name));
    xmlSetProp(node, XMLSTR("value"), XMLSTR(value));
}

Marvin Scholz's avatar
Marvin Scholz committed
371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
static void __append_old_style_urlauth(auth_stack_t **stack,
                                       const char    *client_add,
                                       const char    *client_remove,
                                       const char    *action_add,
                                       const char    *action_remove,
                                       const char    *username,
                                       const char    *password,
                                       int            is_source,
                                       const char    *auth_header,
                                       const char    *timelimit_header,
                                       const char    *headers,
                                       const char    *header_prefix)
{
    xmlNodePtr   role;
    auth_t      *auth;
Philipp Schafft's avatar
Philipp Schafft committed
386

387
    if (!stack || (!client_add && !client_remove))
Philipp Schafft's avatar
Philipp Schafft committed
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419
        return;

    role = xmlNewNode(NULL, XMLSTR("role"));

    xmlSetProp(role, XMLSTR("type"), XMLSTR("url"));

    if (is_source) {
        xmlSetProp(role, XMLSTR("method"), XMLSTR("source,put"));
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("source,put"));
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("method"), XMLSTR("get,post,head"));
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("get,post,head"));
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("deny-admin"), XMLSTR("*"));
    }

    __append_option_tag(role, "client_add", client_add);
    __append_option_tag(role, "client_remove", client_remove);
    __append_option_tag(role, "action_add", action_add);
    __append_option_tag(role, "action_remove", action_remove);
    __append_option_tag(role, "username", username);
    __append_option_tag(role, "password", password);
    __append_option_tag(role, "auth_header", auth_header);
    __append_option_tag(role, "timelimit_header", timelimit_header);
    __append_option_tag(role, "headers", headers);
    __append_option_tag(role, "header_prefix", header_prefix);

    auth = auth_get_authenticator(role);
420 421 422 423 424 425 426
    if (auth) {
        auth_stack_push(stack, auth);
        auth_release(auth);
        ICECAST_LOG_DEBUG("Pushed authenticator %p on stack %p.", auth, stack);
    } else {
        ICECAST_LOG_DEBUG("Failed to set up authenticator.");
    }
Philipp Schafft's avatar
Philipp Schafft committed
427 428 429 430

    xmlFreeNode(role);
}

Marvin Scholz's avatar
Marvin Scholz committed
431 432 433 434 435
static void __append_old_style_exec_event(event_registration_t **list,
                                          const char            *trigger,
                                          const char            *executable)
{
    xmlNodePtr            exec;
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
    event_registration_t *er;

    exec = xmlNewNode(NULL, XMLSTR("event"));

    xmlSetProp(exec, XMLSTR("type"), XMLSTR("exec"));
    xmlSetProp(exec, XMLSTR("trigger"), XMLSTR(trigger));

    __append_option_tag(exec, "executable", executable);

    er = event_new_from_xml_node(exec);
    event_registration_push(list, er);
    event_registration_release(er);

    xmlFreeNode(exec);
}

Marvin Scholz's avatar
Marvin Scholz committed
452 453 454 455 456 457 458 459
static void __append_old_style_url_event(event_registration_t   **list,
                                         const char              *trigger,
                                         const char              *url,
                                         const char              *action,
                                         const char              *username,
                                         const char              *password)
{
    xmlNodePtr            exec;
460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478
    event_registration_t *er;

    exec = xmlNewNode(NULL, XMLSTR("event"));

    xmlSetProp(exec, XMLSTR("type"), XMLSTR("url"));
    xmlSetProp(exec, XMLSTR("trigger"), XMLSTR(trigger));

    __append_option_tag(exec, "url", url);
    __append_option_tag(exec, "action", action);
    __append_option_tag(exec, "username", username);
    __append_option_tag(exec, "password", password);

    er = event_new_from_xml_node(exec);
    event_registration_push(list, er);
    event_registration_release(er);

    xmlFreeNode(exec);
}

Marvin Scholz's avatar
Marvin Scholz committed
479 480 481
static void config_clear_http_header(ice_config_http_header_t *header)
{
    ice_config_http_header_t *old;
482

Marvin Scholz's avatar
Marvin Scholz committed
483 484 485 486 487 488 489
    while (header) {
        xmlFree(header->name);
        xmlFree(header->value);
        old = header;
        header = header->next;
        free(old);
    }
490 491
}

Marvin Scholz's avatar
Marvin Scholz committed
492 493
static inline ice_config_http_header_t *config_copy_http_header(ice_config_http_header_t *header)
{
494 495 496 497 498 499 500 501 502 503 504 505 506 507
    ice_config_http_header_t *ret = NULL;
    ice_config_http_header_t *cur = NULL;
    ice_config_http_header_t *old = NULL;

    while (header) {
        if (cur) {
            cur->next = calloc(1, sizeof(ice_config_http_header_t));
            old = cur;
            cur = cur->next;
        } else {
            ret = calloc(1, sizeof(ice_config_http_header_t));
            cur = ret;
        }

Marvin Scholz's avatar
Marvin Scholz committed
508 509
        if (!cur)
            return ret; /* TODO: do better error handling */
510

511 512 513 514
        cur->type   = header->type;
        cur->name   = (char *)xmlCharStrdup(header->name);
        cur->value  = (char *)xmlCharStrdup(header->value);
        cur->status = header->status;
515 516

        if (!cur->name || !cur->value) {
Marvin Scholz's avatar
Marvin Scholz committed
517 518 519 520
            if (cur->name)
                xmlFree(cur->name);
            if (cur->value)
                xmlFree(cur->value);
521 522 523 524 525 526 527 528 529 530 531 532 533
            if (old) {
                old->next = NULL;
            } else {
                ret = NULL;
            }
            free(cur);
            return ret;
        }
        header = header->next;
    }
    return ret;
}

534
static void config_clear_mount(mount_proxy *mount)
535
{
536 537 538 539 540 541 542 543 544 545 546 547
    if (mount->mountname)           xmlFree(mount->mountname);
    if (mount->dumpfile)            xmlFree(mount->dumpfile);
    if (mount->intro_filename)      xmlFree(mount->intro_filename);
    if (mount->fallback_mount)      xmlFree(mount->fallback_mount);
    if (mount->stream_name)         xmlFree(mount->stream_name);
    if (mount->stream_description)  xmlFree(mount->stream_description);
    if (mount->stream_url)          xmlFree(mount->stream_url);
    if (mount->stream_genre)        xmlFree(mount->stream_genre);
    if (mount->bitrate)             xmlFree(mount->bitrate);
    if (mount->type)                xmlFree(mount->type);
    if (mount->charset)             xmlFree(mount->charset);
    if (mount->cluster_password)    xmlFree(mount->cluster_password);
Marvin Scholz's avatar
Marvin Scholz committed
548
    if (mount->authstack)           auth_stack_release(mount->authstack);
549

550
    event_registration_release(mount->event);
551
    config_clear_http_header(mount->http_headers);
Marvin Scholz's avatar
Marvin Scholz committed
552
    free(mount);
553 554
}

Marvin Scholz's avatar
Marvin Scholz committed
555
listener_t *config_clear_listener(listener_t *listener)
556 557 558 559 560
{
    listener_t *next = NULL;
    if (listener)
    {
        next = listener->next;
561 562
        if (listener->bind_address)     xmlFree(listener->bind_address);
        if (listener->shoutcast_mount)  xmlFree(listener->shoutcast_mount);
563 564 565 566
        free (listener);
    }
    return next;
}
567

568 569
void config_clear(ice_config_t *c)
{
Marvin Scholz's avatar
Marvin Scholz committed
570 571 572 573 574 575
    ice_config_dir_t    *dirnode,
                        *nextdirnode;
    relay_server        *relay,
                        *nextrelay;
    mount_proxy         *mount,
                        *nextmount;
576 577
    resource_t          *resource,
                        *nextresource;
578
#ifdef USE_YP
Marvin Scholz's avatar
Marvin Scholz committed
579
    int                 i;
580
#endif
581

582
    free(c->config_filename);
583

Marvin Scholz's avatar
Marvin Scholz committed
584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
    xmlFree(c->server_id);
    if (c->location)        xmlFree(c->location);
    if (c->admin)           xmlFree(c->admin);
    if (c->hostname)        xmlFree(c->hostname);
    if (c->base_dir)        xmlFree(c->base_dir);
    if (c->log_dir)         xmlFree(c->log_dir);
    if (c->webroot_dir)     xmlFree(c->webroot_dir);
    if (c->adminroot_dir)   xmlFree(c->adminroot_dir);
    if (c->null_device)     xmlFree(c->null_device);
    if (c->pidfile)         xmlFree(c->pidfile);
    if (c->banfile)         xmlFree(c->banfile);
    if (c->allowfile)       xmlFree(c->allowfile);
    if (c->playlist_log)    xmlFree(c->playlist_log);
    if (c->access_log)      xmlFree(c->access_log);
    if (c->error_log)       xmlFree(c->error_log);
599
    if (c->shoutcast_mount) xmlFree(c->shoutcast_mount);
600
    if (c->shoutcast_user)  xmlFree(c->shoutcast_user);
Philipp Schafft's avatar
Philipp Schafft committed
601
    if (c->authstack)       auth_stack_release(c->authstack);
Marvin Scholz's avatar
Marvin Scholz committed
602
    if (c->master_server)   xmlFree(c->master_server);
603
    if (c->master_username) xmlFree(c->master_username);
604
    if (c->master_password) xmlFree(c->master_password);
Marvin Scholz's avatar
Marvin Scholz committed
605 606
    if (c->user)            xmlFree(c->user);
    if (c->group)           xmlFree(c->group);
Philipp Schafft's avatar
Philipp Schafft committed
607
    if (c->mimetypes_fn)    xmlFree(c->mimetypes_fn);
608

609 610 611 612
    if (c->tls_context.cert_file)       xmlFree(c->tls_context.cert_file);
    if (c->tls_context.key_file)        xmlFree(c->tls_context.key_file);
    if (c->tls_context.cipher_list)     xmlFree(c->tls_context.cipher_list);

613 614
    event_registration_release(c->event);

615
    while ((c->listen_sock = config_clear_listener(c->listen_sock)));
616

617 618
    thread_mutex_lock(&(_locks.relay_lock));
    relay = c->relay;
619
    while (relay) {
620 621 622
        nextrelay = relay->next;
        xmlFree(relay->server);
        xmlFree(relay->mount);
Karl Heyes's avatar
Karl Heyes committed
623
        xmlFree(relay->localmount);
624 625 626 627 628 629
        free(relay);
        relay = nextrelay;
    }
    thread_mutex_unlock(&(_locks.relay_lock));

    mount = c->mounts;
630
    while (mount) {
631
        nextmount = mount->next;
632
        config_clear_mount(mount);
633 634 635
        mount = nextmount;
    }

636 637 638 639 640 641 642 643 644
    resource = c->resources;
    while (resource) {
        nextresource = resource->next;
        xmlFree(resource->source);
        xmlFree(resource->destination);
        xmlFree(resource->bind_address);
        xmlFree(resource->vhost);
        free(resource);
        resource = nextresource;
645 646 647
    }

    dirnode = c->dir_list;
648
    while (dirnode) {
649 650 651 652 653
        nextdirnode = dirnode->next;
        xmlFree(dirnode->host);
        free(dirnode);
        dirnode = nextdirnode;
    }
654
#ifdef USE_YP
Karl Heyes's avatar
Karl Heyes committed
655
    i = 0;
Marvin Scholz's avatar
Marvin Scholz committed
656
    while (i < c->num_yp_directories) {
657
        xmlFree(c->yp_url[i]);
Karl Heyes's avatar
Karl Heyes committed
658 659 660
        i++;
    }
#endif
661

662
    config_clear_http_header(c->http_headers);
663 664 665
    memset(c, 0, sizeof(ice_config_t));
}

Marvin Scholz's avatar
Marvin Scholz committed
666 667 668
void config_reread_config(void)
{
    int           ret;
669
    ice_config_t *config;
Marvin Scholz's avatar
Marvin Scholz committed
670
    ice_config_t  new_config;
671 672 673 674 675 676 677 678 679 680 681
    /* reread config file */

    config = config_grab_config(); /* Both to get the lock, and to be able
                                     to find out the config filename */
    xmlSetGenericErrorFunc("config", log_parse_failure);
    ret = config_parse_file(config->config_filename, &new_config);
    if(ret < 0) {
        ICECAST_LOG_ERROR("Error parsing config, not replacing existing config");
        switch (ret) {
            case CONFIG_EINSANE:
                ICECAST_LOG_ERROR("Config filename null or blank");
Marvin Scholz's avatar
Marvin Scholz committed
682
            break;
683 684
            case CONFIG_ENOROOT:
                ICECAST_LOG_ERROR("Root element not found in %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
685
            break;
686 687 688
            case CONFIG_EBADROOT:
                ICECAST_LOG_ERROR("Not an icecast2 config file: %s",
                        config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
689
            break;
690 691
            default:
                ICECAST_LOG_ERROR("Parse error in reading %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
692
            break;
693 694 695 696 697 698
        }
        config_release_config();
    } else {
        config_clear(config);
        config_set_config(&new_config);
        config = config_get_config_unlocked();
Marvin Scholz's avatar
Marvin Scholz committed
699
        restart_logging(config);
700
        connection_reread_config(config);
Marvin Scholz's avatar
Marvin Scholz committed
701 702 703
        yp_recheck_config(config);
        fserve_recheck_mime_types(config);
        stats_global(config);
704 705 706 707 708
        config_release_config();
        slave_update_all_mounts();
    }
}

709 710 711 712 713 714 715 716
int config_initial_parse_file(const char *filename)
{
    /* Since we're already pointing at it, we don't need to copy it in place */
    return config_parse_file(filename, &_current_configuration);
}

int config_parse_file(const char *filename, ice_config_t *configuration)
{
Marvin Scholz's avatar
Marvin Scholz committed
717
    xmlDocPtr  doc;
718 719
    xmlNodePtr node;

Marvin Scholz's avatar
Marvin Scholz committed
720 721
    if (filename == NULL || strcmp(filename, "") == 0)
        return CONFIG_EINSANE;
722

723
    doc = xmlParseFile(filename);
Marvin Scholz's avatar
Marvin Scholz committed
724
    if (doc == NULL)
725 726 727 728 729 730 731
        return CONFIG_EPARSE;
    node = xmlDocGetRootElement(doc);
    if (node == NULL) {
        xmlFreeDoc(doc);
        return CONFIG_ENOROOT;
    }

732
    if (xmlStrcmp(node->name, XMLSTR("icecast")) != 0) {
733 734 735 736 737
        xmlFreeDoc(doc);
        return CONFIG_EBADROOT;
    }

    config_init_configuration(configuration);
Marvin Scholz's avatar
Marvin Scholz committed
738
    configuration->config_filename = strdup(filename);
739 740
    _parse_root(doc, node->xmlChildrenNode, configuration);
    xmlFreeDoc(doc);
741
    _merge_mounts_all(configuration);
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
    return 0;
}

int config_parse_cmdline(int arg, char **argv)
{
    return 0;
}

ice_config_locks *config_locks(void)
{
    return &_locks;
}

void config_release_config(void)
{
757
    thread_rwlock_unlock(&(_locks.config_lock));
758 759 760 761
}

ice_config_t *config_get_config(void)
{
762 763 764 765 766 767 768
    thread_rwlock_rlock(&(_locks.config_lock));
    return &_current_configuration;
}

ice_config_t *config_grab_config(void)
{
    thread_rwlock_wlock(&(_locks.config_lock));
769 770 771 772
    return &_current_configuration;
}

/* MUST be called with the lock held! */
Marvin Scholz's avatar
Marvin Scholz committed
773 774
void config_set_config(ice_config_t *config)
{
775 776 777 778 779 780 781 782 783 784
    memcpy(&_current_configuration, config, sizeof(ice_config_t));
}

ice_config_t *config_get_config_unlocked(void)
{
    return &_current_configuration;
}

static void _set_defaults(ice_config_t *configuration)
{
Marvin Scholz's avatar
Marvin Scholz committed
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804
    configuration
        ->location = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOCATION);
    configuration
        ->server_id = (char *) xmlCharStrdup(ICECAST_VERSION_STRING);
    configuration
        ->admin = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMIN);
    configuration
        ->client_limit = CONFIG_DEFAULT_CLIENT_LIMIT;
    configuration
        ->source_limit = CONFIG_DEFAULT_SOURCE_LIMIT;
    configuration
        ->queue_size_limit = CONFIG_DEFAULT_QUEUE_SIZE_LIMIT;
    configuration
        ->client_timeout = CONFIG_DEFAULT_CLIENT_TIMEOUT;
    configuration
        ->header_timeout = CONFIG_DEFAULT_HEADER_TIMEOUT;
    configuration
        ->source_timeout = CONFIG_DEFAULT_SOURCE_TIMEOUT;
    configuration
        ->shoutcast_mount = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_MOUNT);
805 806
    configuration
        ->shoutcast_user = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_USER);
Marvin Scholz's avatar
Marvin Scholz committed
807 808 809 810 811 812 813 814 815
    configuration
        ->fileserve  = CONFIG_DEFAULT_FILESERVE;
    configuration
        ->touch_interval = CONFIG_DEFAULT_TOUCH_FREQ;
    configuration
        ->on_demand = 0;
    configuration
        ->dir_list = NULL;
    configuration
816
        ->hostname = (char *) xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
Marvin Scholz's avatar
Marvin Scholz committed
817
    configuration
818
        ->mimetypes_fn = (char *) xmlCharStrdup(MIMETYPESFILE);
Marvin Scholz's avatar
Marvin Scholz committed
819 820 821 822 823 824 825
    configuration
        ->master_server = NULL;
    configuration
        ->master_server_port = 0;
    configuration
        ->master_update_interval = CONFIG_MASTER_UPDATE_INTERVAL;
    configuration
826
        ->master_username = (char *) xmlCharStrdup(CONFIG_DEFAULT_MASTER_USERNAME);
Marvin Scholz's avatar
Marvin Scholz committed
827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856
    configuration
        ->master_password = NULL;
    configuration
        ->base_dir = (char *) xmlCharStrdup(CONFIG_DEFAULT_BASE_DIR);
    configuration
        ->log_dir = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOG_DIR);
    configuration
        ->null_device = (char *) xmlCharStrdup(CONFIG_DEFAULT_NULL_FILE);
    configuration
        ->webroot_dir = (char *) xmlCharStrdup(CONFIG_DEFAULT_WEBROOT_DIR);
    configuration
        ->adminroot_dir = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMINROOT_DIR);
    configuration
        ->playlist_log = (char *) xmlCharStrdup(CONFIG_DEFAULT_PLAYLIST_LOG);
    configuration
        ->access_log = (char *) xmlCharStrdup(CONFIG_DEFAULT_ACCESS_LOG);
    configuration
        ->error_log = (char *) xmlCharStrdup(CONFIG_DEFAULT_ERROR_LOG);
    configuration
        ->loglevel = CONFIG_DEFAULT_LOG_LEVEL;
    configuration
        ->chroot = CONFIG_DEFAULT_CHROOT;
    configuration
        ->chuid = CONFIG_DEFAULT_CHUID;
    configuration
        ->user = NULL;
    configuration
        ->group = NULL;
    configuration
        ->num_yp_directories = 0;
Karl Heyes's avatar
Karl Heyes committed
857
    /* default to a typical prebuffer size used by clients */
Marvin Scholz's avatar
Marvin Scholz committed
858 859
    configuration
        ->burst_size = CONFIG_DEFAULT_BURST_SIZE;
860 861
    configuration->tls_context
        .cipher_list = (char *) xmlCharStrdup(CONFIG_DEFAULT_CIPHER_LIST);
862 863
}

Marvin Scholz's avatar
Marvin Scholz committed
864 865
static inline void __check_hostname(ice_config_t *configuration)
{
866 867
    char *p;

868
    /* ensure we have a non-NULL buffer: */
869
    if (!configuration->hostname)
870
        configuration->hostname = (char *)xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
871

872
    /* convert to lower case: */
Marvin Scholz's avatar
Marvin Scholz committed
873
    for (p = configuration->hostname; *p; p++) {
874 875
        if ( *p >= 'A' && *p <= 'Z' )
            *p += 'a' - 'A';
Marvin Scholz's avatar
Marvin Scholz committed
876
    }
877 878 879 880 881 882 883

    configuration->sane_hostname = 0;
    switch (util_hostcheck(configuration->hostname)) {
        case HOSTCHECK_SANE:
            configuration->sane_hostname = 1;
        break;
        case HOSTCHECK_ERROR:
Marvin Scholz's avatar
Marvin Scholz committed
884 885
            ICECAST_LOG_ERROR("Can not check hostname \"%s\".",
                configuration->hostname);
886 887
        break;
        case HOSTCHECK_NOT_FQDN:
Marvin Scholz's avatar
Marvin Scholz committed
888
            ICECAST_LOG_WARN("Warning, <hostname> seems not to be set to a "
889
                "fully qualified domain name (FQDN). This may cause problems, "
Marvin Scholz's avatar
Marvin Scholz committed
890
                "e.g. with YP directory listings.");
891 892
        break;
        case HOSTCHECK_IS_LOCALHOST:
Marvin Scholz's avatar
Marvin Scholz committed
893
            ICECAST_LOG_WARN("Warning, <hostname> not configured, using "
894 895 896 897
                "default value \"%s\". This will cause problems, e.g. "
                "this breaks YP directory listings. YP directory listing "
                "support will be disabled.", CONFIG_DEFAULT_HOSTNAME);
                /* FIXME actually disable YP */
898 899
        break;
        case HOSTCHECK_IS_IPV4:
Marvin Scholz's avatar
Marvin Scholz committed
900 901 902
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv4 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
903 904
        break;
        case HOSTCHECK_IS_IPV6:
Marvin Scholz's avatar
Marvin Scholz committed
905 906 907
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv6 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
908 909
        break;
        case HOSTCHECK_BADCHAR:
910
            ICECAST_LOG_WARN("Warning, <hostname> contains unusual "
Marvin Scholz's avatar
Marvin Scholz committed
911 912
                "characters. This may cause problems, e.g. with YP directory "
                "listings.");
913 914 915 916
        break;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
917 918 919
static void _parse_root(xmlDocPtr       doc,
                        xmlNodePtr      node,
                        ice_config_t   *configuration)
920 921
{
    char *tmp;
Philipp Schafft's avatar
Philipp Schafft committed
922
    char *source_password = NULL;
923

Marvin Scholz's avatar
Marvin Scholz committed
924
    configuration
925
        ->listen_sock       = calloc(1, sizeof(*configuration->listen_sock));
Marvin Scholz's avatar
Marvin Scholz committed
926 927 928 929
    configuration
        ->listen_sock->port = 8000;
    configuration
        ->listen_sock_count = 1;
930

931
    do {
Marvin Scholz's avatar
Marvin Scholz committed
932 933 934 935 936 937 938
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
        if (xmlStrcmp(node->name, XMLSTR("location")) == 0) {
            if (configuration->location)
                xmlFree(configuration->location);
939
            configuration->location = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
940
        } else if (xmlStrcmp(node->name, XMLSTR("admin")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
941 942
            if (configuration->admin)
                xmlFree(configuration->admin);
943
            configuration->admin = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
944
        } else if (xmlStrcmp(node->name, XMLSTR("server-id")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
945
            xmlFree(configuration->server_id);
946
            configuration->server_id = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
947 948 949 950
            ICECAST_LOG_WARN("Warning, server version string override "
                "detected. This may lead to unexpected client software "
                "behavior.");
        } else if (xmlStrcmp(node->name, XMLSTR("authentication")) == 0) {
Philipp Schafft's avatar
Philipp Schafft committed
951
            _parse_authentication(doc, node->xmlChildrenNode, configuration, &source_password);
Marvin Scholz's avatar
Marvin Scholz committed
952
        } else if (xmlStrcmp(node->name, XMLSTR("source-password")) == 0) {
953
            /* TODO: This is the backwards-compatibility location */
Marvin Scholz's avatar
Marvin Scholz committed
954 955
            ICECAST_LOG_WARN("<source-password> defined outside "
                "<authentication>. This is deprecated and will be removed in "
956 957
                "version 2.X.0");
	    /* FIXME Settle target version for removal of this functionality! */
Philipp Schafft's avatar
Philipp Schafft committed
958 959 960
            if (source_password)
                xmlFree(source_password);
            source_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
961
        } else if (xmlStrcmp(node->name, XMLSTR("icelogin")) == 0) {
962
            ICECAST_LOG_ERROR("<icelogin> support has been removed.");
Marvin Scholz's avatar
Marvin Scholz committed
963
        } else if (xmlStrcmp(node->name, XMLSTR("fileserve")) == 0) {
964
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
965
            configuration->fileserve = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
966 967 968
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("relays-on-demand")) == 0) {
969
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
970
            configuration->on_demand = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
971 972 973 974 975
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("hostname")) == 0) {
            if (configuration->hostname)
                xmlFree(configuration->hostname);
976
            configuration->hostname = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
977
        } else if (xmlStrcmp(node->name, XMLSTR("mime-types")) == 0) {
978
            ICECAST_LOG_WARN("<mime-types> has been moved into <paths>. Please update your configuration file.");
Marvin Scholz's avatar
Marvin Scholz committed
979 980
            if (configuration->mimetypes_fn)
                xmlFree(configuration->mimetypes_fn);
981
            configuration->mimetypes_fn = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
982
        } else if (xmlStrcmp(node->name, XMLSTR("listen-socket")) == 0) {
983
            _parse_listen_socket(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
984
        } else if (xmlStrcmp(node->name, XMLSTR("port")) == 0) {
985
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
986
            if (tmp && *tmp) {
987 988 989 990
                configuration->port = atoi(tmp);
                configuration->listen_sock->port = atoi(tmp);
                xmlFree(tmp);
            } else {
991
                ICECAST_LOG_WARN("<port> setting must not be empty.");
992
            }
Marvin Scholz's avatar
Marvin Scholz committed
993
        } else if (xmlStrcmp(node->name, XMLSTR("bind-address")) == 0) {
994
            if (configuration->listen_sock->bind_address)
995 996
                xmlFree(configuration->listen_sock->bind_address);
            configuration->listen_sock->bind_address = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
997 998 999
        } else if (xmlStrcmp(node->name, XMLSTR("master-server")) == 0) {
            if (configuration->master_server)
                xmlFree(configuration->master_server);
1000
            configuration->master_server = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1001 1002 1003
        } else if (xmlStrcmp(node->name, XMLSTR("master-username")) == 0) {
            if (configuration->master_username)
                xmlFree(configuration->master_username);
1004
            configuration->master_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1005 1006 1007
        } else if (xmlStrcmp(node->name, XMLSTR("master-password")) == 0) {
            if (configuration->master_password)
                xmlFree(configuration->master_password);
1008
            configuration->master_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1009
        } else if (xmlStrcmp(node->name, XMLSTR("master-server-port")) == 0) {
1010
            __read_int(doc, node, &configuration->master_server_port, "<master-server-port> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1011
        } else if (xmlStrcmp(node->name, XMLSTR("master-update-interval")) == 0) {
1012
            __read_int(doc, node, &configuration->master_update_interval, "<master-update-interval> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1013 1014 1015
        } else if (xmlStrcmp(node->name, XMLSTR("shoutcast-mount")) == 0) {
            if (configuration->shoutcast_mount)
                xmlFree(configuration->shoutcast_mount);
1016
            configuration->shoutcast_mount = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1017
        } else if (xmlStrcmp(node->name, XMLSTR("limits")) == 0) {
1018
            _parse_limits(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1019
        } else if (xmlStrcmp(node->name, XMLSTR("http-headers")) == 0) {
1020
            _parse_http_headers(doc, node->xmlChildrenNode, &(configuration->http_headers));
Marvin Scholz's avatar
Marvin Scholz committed
1021
        } else if (xmlStrcmp(node->name, XMLSTR("relay")) == 0) {
1022
            _parse_relay(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1023
        } else if (xmlStrcmp(node->name, XMLSTR("mount")) == 0) {
1024
            _parse_mount(doc, node, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1025
        } else if (xmlStrcmp(node->name, XMLSTR("directory")) == 0) {
1026
            _parse_directory(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1027
        } else if (xmlStrcmp(node->name, XMLSTR("paths")) == 0) {
1028
            _parse_paths(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1029
        } else if (xmlStrcmp(node->name, XMLSTR("logging")) == 0) {
1030
            _parse_logging(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1031
        } else if (xmlStrcmp(node->name, XMLSTR("security")) == 0) {
1032
            _parse_security(doc, node->xmlChildrenNode, configuration);
1033 1034
        } else if (xmlStrcmp(node->name, XMLSTR("event-bindings")) == 0 ||
                   xmlStrcmp(node->name, XMLSTR("kartoffelsalat")) == 0) {
1035
            _parse_events(&configuration->event, node->xmlChildrenNode);
1036 1037
        }
    } while ((node = node->next));
1038

Philipp Schafft's avatar
Philipp Schafft committed
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
    /* global source password is set.
     * We need to set it on default mount.
     * If default mount has a authstack not NULL we don't need to do anything.
     */
    if (source_password) {
        mount_proxy *mount = config_find_mount(configuration, NULL, MOUNT_TYPE_DEFAULT);
        if (!mount) {
            /* create a default mount here */
            xmlNodePtr node;
            node = xmlNewNode(NULL, XMLSTR("mount"));
            xmlSetProp(node, XMLSTR("type"), XMLSTR("default"));
            _parse_mount(doc, node, configuration);
            xmlFreeNode(node);
            mount = config_find_mount(configuration, NULL, MOUNT_TYPE_DEFAULT);
        }
        if (mount) {
Marvin Scholz's avatar
Marvin Scholz committed
1055 1056 1057 1058 1059 1060 1061
            if (!mount->authstack) {
                __append_old_style_auth(&mount->authstack,
                                        "legacy-global-source",
                                        AUTH_TYPE_STATIC, "source",
                                        source_password, NULL,
                                        "source,put,get", 0, "*");
            }
Philipp Schafft's avatar
Philipp Schafft committed
1062
        } else {
1063 1064
            ICECAST_LOG_ERROR("Can not find nor create default mount, but "
                "global legacy source password set. This is bad.");
Philipp Schafft's avatar
Philipp Schafft committed
1065
        }
1066
        xmlFree(source_password);
Philipp Schafft's avatar
Philipp Schafft committed
1067
    }
1068 1069
    /* drop the first listening socket details if more than one is defined, as we only
     * have port or listen-socket not both */
Marvin Scholz's avatar
Marvin Scholz committed
1070 1071
    if (configuration->listen_sock_count > 1) {
        configuration->listen_sock = config_clear_listener(configuration->listen_sock);
1072 1073
        configuration->listen_sock_count--;
    }
1074 1075
    if (configuration->port == 0)
        configuration->port = 8000;
1076

Marvin Scholz's avatar
Marvin Scholz committed
1077 1078 1079 1080 1081 1082 1083
    /* issue some warnings on bad configurations */
    if (!configuration->fileserve)
        ICECAST_LOG_WARN("Warning, serving of static files has been disabled "
            "in the config, this will also affect files used by the web "
            "interface (stylesheets, images).");

    __check_hostname(configuration);
1084

Marvin Scholz's avatar
Marvin Scholz committed
1085 1086 1087 1088
    if (!configuration->location ||
        strcmp(configuration->location, CONFIG_DEFAULT_LOCATION) == 0) {
        ICECAST_LOG_WARN("Warning, <location> not configured, using default "
            "value \"%s\".", CONFIG_DEFAULT_LOCATION);
1089
      if (!configuration->location)
Marvin Scholz's avatar
Marvin Scholz committed
1090 1091
          configuration->location = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOCATION);
    }
1092

Marvin Scholz's avatar
Marvin Scholz committed
1093 1094 1095
    if (!configuration->admin ||
        strcmp(configuration->admin, CONFIG_DEFAULT_ADMIN) == 0) {
        ICECAST_LOG_WARN("Warning, <admin> contact not configured, using "
1096
            "default value \"%s\". This breaks YP directory listings. "
1097 1098
            "YP directory support will be disabled.", CONFIG_DEFAULT_ADMIN);
            /* FIXME actually disable YP */
1099
      if (!configuration->admin)
Marvin Scholz's avatar
Marvin Scholz committed
1100
          configuration->admin = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMIN);
1101
  }
1102 1103
}

Marvin Scholz's avatar
Marvin Scholz committed
1104 1105 1106
static void _parse_limits(xmlDocPtr     doc,
                          xmlNodePtr    node,
                          ice_config_t *configuration)
1107 1108 1109
{
    char *tmp;
    do {
Marvin Scholz's avatar
Marvin Scholz committed
1110 1111 1112 1113
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
1114

1115
        if (xmlStrcmp(node->name, XMLSTR("clients")) == 0) {
1116
            __read_int(doc, node, &configuration->client_limit, "<clients> must not be empty.");
1117
        } else if (xmlStrcmp(node->name, XMLSTR("sources")) == 0) {
1118
            __read_int(doc, node, &configuration->source_limit, "<sources> must not be empty.");
1119
        } else if (xmlStrcmp(node->name, XMLSTR("queue-size")) == 0) {
1120
            __read_unsigned_int(doc, node, &configuration->queue_size_limit, "<queue-size> must not be empty.");
1121
        } else if (xmlStrcmp(node->name, XMLSTR("threadpool")) == 0) {
1122 1123
            ICECAST_LOG_WARN("<threadpool> functionality was removed in Icecast"
			     " version 2.3.0, please remove this from your config.");
1124
        } else if (xmlStrcmp(node->name, XMLSTR("client-timeout")) == 0) {
1125
            __read_int(doc, node, &configuration->client_timeout, "<client-timeout> must not be empty.");
1126
        } else if (xmlStrcmp(node->name, XMLSTR("header-timeout")) == 0) {
1127
            __read_int(doc, node, &configuration->header_timeout, "<header-timeout> must not be empty.");
1128
        } else if (xmlStrcmp(node->name, XMLSTR("source-timeout")) == 0) {
1129
            __read_int(doc, node, &configuration->source_timeout, "<source-timeout> must not be empty.");
1130
        } else if (xmlStrcmp(node->name, XMLSTR("burst-on-connect")) == 0) {
1131
            ICECAST_LOG_WARN("<burst-on-connect> is deprecated, use <burst-size> instead.");
1132
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1133
            if (util_str_to_int(tmp, 0) == 0)
Karl Heyes's avatar
Karl Heyes committed
1134
                configuration->burst_size = 0;
Marvin Scholz's avatar
Marvin Scholz committed
1135 1136
            if (tmp)
                xmlFree(tmp);
1137
        } else if (xmlStrcmp(node->name, XMLSTR("burst-size")) == 0) {
1138
            __read_unsigned_int(doc, node, &configuration->burst_size, "<burst-size> must not be empty.");
1139 1140 1141 1142
        }
    } while ((node = node->next));
}

Marvin Scholz's avatar
Marvin Scholz committed
1143 1144 1145 1146 1147 1148 1149 1150 1151
static void _parse_mount_oldstyle_authentication(mount_proxy    *mount,
                                                 xmlNodePtr      node,
                                                 auth_stack_t  **authstack)
{
     int        allow_duplicate_users = 1;
     auth_t    *auth;
     char      *type;
     char      *name;
     char      *value;
Philipp Schafft's avatar
Philipp Schafft committed
1152 1153 1154 1155 1156
     xmlNodePtr child;

     child = node->xmlChildrenNode;

     while (child) {
1157 1158 1159
         if (xmlStrcmp(child->name, XMLSTR("option")) == 0) {
             name = (char *)xmlGetProp(child, XMLSTR("name"));
             value = (char *)xmlGetProp(child, XMLSTR("value"));
Philipp Schafft's avatar
Philipp Schafft committed
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183
             if (name && value) {
                 if (strcmp(name, "allow_duplicate_users") == 0) {
                     allow_duplicate_users = util_str_to_bool(value);
                 }
             }
             if (name)
                 xmlFree(name);
             if (value)
                 xmlFree(value);
         }
         child = child->next;
     }

     type = (char *)xmlGetProp(node, XMLSTR("type"));
     if (strcmp(type, AUTH_TYPE_HTPASSWD) == 0) {
         if (!allow_duplicate_users)
             xmlSetProp(node, XMLSTR("connections-per-user"), XMLSTR("0"));

         auth = auth_get_authenticator(node);
         if (auth) {
             auth_stack_push(authstack, auth);
             auth_release(auth);
         }

Marvin Scholz's avatar
Marvin Scholz committed
1184 1185
         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS,
             NULL, NULL, "get,head,post", NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1186
     } else if (strcmp(type, AUTH_TYPE_URL) == 0) {
1187
         /* This block is super fun! Attention! Super fun ahead! Ladies and Gentlemen take care and watch your children! */
Philipp Schafft's avatar
Philipp Schafft committed
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
         /* Stuff that was of help:
          * $ sed 's/^.*name="\([^"]*\)".*$/         const char *\1 = NULL;/'
          * $ sed 's/^.*name="\([^"]*\)".*$/         if (\1)\n             xmlFree(\1);/'
          * $ sed 's/^.*name="\([^"]*\)".*$/                     } else if (strcmp(name, "\1") == 0) {\n                         \1 = value;\n                         value = NULL;/'
          */
         /* urls */
         char *mount_add        = NULL;
         char *mount_remove     = NULL;
         char *listener_add     = NULL;
         char *listener_remove  = NULL;
         char *stream_auth      = NULL;
         /* request credentials */
         char *username         = NULL;
         char *password         = NULL;
         /* general options */
         char *auth_header      = NULL;
         char *timelimit_header = NULL;
         char *headers          = NULL;
         char *header_prefix    = NULL;

         child = node->xmlChildrenNode;
         while (child) {
1210 1211 1212
             if (xmlStrcmp(child->name, XMLSTR("option")) == 0) {
                 name = (char *)xmlGetProp(child, XMLSTR("name"));
                 value = (char *)xmlGetProp(child, XMLSTR("value"));
Philipp Schafft's avatar
Philipp Schafft committed
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261

                 if (name && value) {
                     if (strcmp(name, "mount_add") == 0) {
                         mount_add = value;
                         value = NULL;
                     } else if (strcmp(name, "mount_add") == 0) {
                         mount_add = value;
                         value = NULL;
                     } else if (strcmp(name, "mount_remove") == 0) {
                         mount_remove = value;
                         value = NULL;
                     } else if (strcmp(name, "listener_add") == 0) {
                         listener_add = value;
                         value = NULL;
                     } else if (strcmp(name, "listener_remove") == 0) {
                         listener_remove = value;
                         value = NULL;
                     } else if (strcmp(name, "username") == 0) {
                         username = value;
                         value = NULL;
                     } else if (strcmp(name, "password") == 0) {
                         password = value;
                         value = NULL;
                     } else if (strcmp(name, "auth_header") == 0) {
                         auth_header = value;
                         value = NULL;
                     } else if (strcmp(name, "timelimit_header") == 0) {
                         timelimit_header = value;
                         value = NULL;
                     } else if (strcmp(name, "headers") == 0) {
                         headers = value;
                         value = NULL;
                     } else if (strcmp(name, "header_prefix") == 0) {
                         header_prefix = value;
                         value = NULL;
                     } else if (strcmp(name, "stream_auth") == 0) {
                         stream_auth = value;
                         value = NULL;
                     }
                 }

                 if (name)
                     xmlFree(name);
                 if (value)
                     xmlFree(value);
             }
             child = child->next;
         }

1262
         if (mount_add)
Marvin Scholz's avatar
Marvin Scholz committed
1263 1264
             __append_old_style_url_event(&mount->event, "source-connect",
                 mount_add, "mount_add", username, password);
1265
         if (mount_remove)
Marvin Scholz's avatar
Marvin Scholz committed
1266 1267 1268 1269 1270 1271 1272 1273 1274
             __append_old_style_url_event(&mount->event, "source-disconnect",
                 mount_add, "mount_remove", username, password);

         __append_old_style_urlauth(authstack, listener_add, listener_remove,
             "listener_add", "listener_remove", username, password, 0,
             auth_header, timelimit_header, headers, header_prefix);
         __append_old_style_urlauth(authstack, stream_auth, NULL, "stream_auth",
             NULL, username, password, 1, auth_header, timelimit_header,
             headers, header_prefix);
Philipp Schafft's avatar
Philipp Schafft committed
1275
         if (listener_add)
Marvin Scholz's avatar
Marvin Scholz committed
1276 1277
             __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL,
                 NULL, "get,put,head", NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1278
         if (stream_auth)
Marvin Scholz's avatar
Marvin Scholz committed
1279 1280
             __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL,
                 NULL, "source,put", NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304

         if (mount_add)
             xmlFree(mount_add);
         if (mount_remove)
             xmlFree(mount_remove);
         if (listener_add)
             xmlFree(listener_add);
         if (listener_remove)
             xmlFree(listener_remove);
         if (username)
             xmlFree(username);
         if (password)
             xmlFree(password);
         if (auth_header)
             xmlFree(auth_header);
         if (timelimit_header)
             xmlFree(timelimit_header);
         if (headers)
             xmlFree(headers);
         if (header_prefix)
             xmlFree(header_prefix);
         if (stream_auth)
             xmlFree(stream_auth);
     } else {
Marvin Scholz's avatar
Marvin Scholz committed
1305
         ICECAST_LOG_ERROR("Unknown authentication type in legacy mode. "
1306
             "Anonymous listeners and global login for sources disabled.");
Marvin Scholz's avatar
Marvin Scholz committed
1307 1308
         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL,
             NULL, NULL, NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1309 1310 1311 1312
     }
     xmlFree(type);
}

Marvin Scholz's avatar
Marvin Scholz committed
1313 1314 1315
static void _parse_mount(xmlDocPtr      doc,
                         xmlNodePtr     node,
                         ice_config_t  *configuration)
1316
{
Marvin Scholz's avatar
Marvin Scholz committed
1317 1318 1319 1320 1321 1322 1323
    char         *tmp;
    mount_proxy  *mount      = calloc(1, sizeof(mount_proxy));
    mount_proxy  *current    = configuration->mounts;
    mount_proxy  *last       = NULL;
    char         *username   = NULL;
    char         *password   = NULL;
    auth_stack_t *authstack  = NULL;
1324

Karl Heyes's avatar
Karl Heyes committed
1325
    /* default <mount> settings */
Marvin Scholz's avatar
Marvin Scholz committed
1326 1327 1328 1329 1330
    mount->mounttype            = MOUNT_TYPE_NORMAL;
    mount->max_listeners        = -1;
    mount->burst_size           = -1;
    mount->mp3_meta_interval    = -1;
    mount->yp_public            = -1;
1331
    mount->max_history          = -1;
<