cfgfile.c 97.8 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

31
#include "cfgfile.h"
32
#include "global.h"
33 34 35 36
#include "logging.h"
#include "util.h"
#include "auth.h"
#include "event.h"
37 38
#include "refobject.h"
#include "reportxml.h"
39

40 41 42 43
/* for config_reread_config() */
#include "yp.h"
#include "fserve.h"
#include "stats.h"
44
#include "connection.h"
45
#include "main.h"
46
#include "slave.h"
47

Marvin Scholz's avatar
Marvin Scholz committed
48 49 50 51 52
#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
53
#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (500*1024)
54
#define CONFIG_DEFAULT_BODY_SIZE_LIMIT  (4*1024)
Marvin Scholz's avatar
Marvin Scholz committed
55 56 57 58 59
#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
60
#define CONFIG_DEFAULT_BODY_TIMEOUT     (10 + CONFIG_DEFAULT_HEADER_TIMEOUT)
Marvin Scholz's avatar
Marvin Scholz committed
61 62
#define CONFIG_DEFAULT_MASTER_USERNAME  "relay"
#define CONFIG_DEFAULT_SHOUTCAST_MOUNT  "/stream"
63
#define CONFIG_DEFAULT_SHOUTCAST_USER   "source"
Marvin Scholz's avatar
Marvin Scholz committed
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 99 100 101 102 103 104 105 106
#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"
107 108

#ifndef _WIN32
Marvin Scholz's avatar
Marvin Scholz committed
109 110 111 112 113 114
#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"
115
#else
Marvin Scholz's avatar
Marvin Scholz committed
116 117 118 119 120 121
#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"
122 123 124 125 126 127 128 129 130 131 132 133
#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
134 135 136 137 138 139 140 141 142 143

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);

144 145
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
146 147 148 149 150

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

151
static void _add_server(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
152
static void _parse_events(event_registration_t **events, xmlNodePtr node);
153

154 155 156
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
157 158
operation_mode config_str_to_omode(const char *str)
{
159 160 161 162 163 164 165 166
    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;
167 168
    } else if (strcasecmp(str, "strict") == 0) {
        return OMODE_STRICT;
169 170 171 172 173 174
    } else {
        ICECAST_LOG_ERROR("Unknown operation mode \"%s\", falling back to DEFAULT.", str);
        return OMODE_DEFAULT;
    }
}

175 176 177 178 179 180
static listener_type_t config_str_to_listener_type(const char *str)
{
    if (!str || !*str) {
        return LISTENER_TYPE_NORMAL;
    } else if (strcasecmp(str, "normal") == 0) {
        return LISTENER_TYPE_NORMAL;
181 182
    } else if (strcasecmp(str, "virtual") == 0) {
        return LISTENER_TYPE_VIRTUAL;
183 184 185 186 187 188
    } else {
        ICECAST_LOG_ERROR("Unknown listener type \"%s\", falling back to NORMAL.", str);
        return LISTENER_TYPE_NORMAL;
    }
}

189 190 191 192 193 194 195 196 197 198 199 200 201
char * config_href_to_id(const char *href)
{
    if (!href || !*href)
        return NULL;

    if (*href != '#') {
        ICECAST_LOG_ERROR("Can not convert string \"%H\" to ID.", href);
        return NULL;
    }

    return strdup(href+1);
}

Marvin Scholz's avatar
Marvin Scholz committed
202 203
static void create_locks(void)
{
204
    thread_mutex_create(&_locks.relay_lock);
205
    thread_rwlock_create(&_locks.config_lock);
206 207
}

Marvin Scholz's avatar
Marvin Scholz committed
208 209
static void release_locks(void)
{
210
    thread_mutex_destroy(&_locks.relay_lock);
211
    thread_rwlock_destroy(&_locks.config_lock);
212 213
}

Marvin Scholz's avatar
Marvin Scholz committed
214 215
void config_initialize(void)
{
216 217 218
    create_locks();
}

Marvin Scholz's avatar
Marvin Scholz committed
219 220
void config_shutdown(void)
{
221 222 223 224 225 226 227 228 229 230
    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);
231
    configuration->reportxml_db = reportxml_database_new();
232 233
}

234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257
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
258 259
static inline int __parse_public(const char *str)
{
260 261 262 263 264 265 266 267 268 269 270 271
    /* 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);
}

272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
/* 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;
}

306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325
/* 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
326 327 328 329 330 331 332 333 334 335 336 337 338 339
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
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388

    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
389 390 391 392
static void __append_option_tag(xmlNodePtr  parent,
                                const char *name,
                                const char *value)
{
Philipp Schafft's avatar
Philipp Schafft committed
393 394 395 396 397 398 399 400 401 402
    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
403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
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
418

419
    if (!stack || (!client_add && !client_remove))
Philipp Schafft's avatar
Philipp Schafft committed
420 421 422 423 424 425 426 427 428 429 430 431 432
        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 {
433
        xmlSetProp(role, XMLSTR("method"), XMLSTR("get,post,head,options"));
Philipp Schafft's avatar
Philipp Schafft committed
434
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
435
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("get,post,head,options"));
Philipp Schafft's avatar
Philipp Schafft committed
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
        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);
452 453 454 455 456 457 458
    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
459 460 461 462

    xmlFreeNode(role);
}

Marvin Scholz's avatar
Marvin Scholz committed
463 464 465 466 467
static void __append_old_style_exec_event(event_registration_t **list,
                                          const char            *trigger,
                                          const char            *executable)
{
    xmlNodePtr            exec;
468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483
    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
484 485 486 487 488 489 490 491
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;
492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510
    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
511 512 513
static void config_clear_http_header(ice_config_http_header_t *header)
{
    ice_config_http_header_t *old;
514

Marvin Scholz's avatar
Marvin Scholz committed
515 516 517 518 519 520 521
    while (header) {
        xmlFree(header->name);
        xmlFree(header->value);
        old = header;
        header = header->next;
        free(old);
    }
522 523
}

Marvin Scholz's avatar
Marvin Scholz committed
524 525
static inline ice_config_http_header_t *config_copy_http_header(ice_config_http_header_t *header)
{
526 527 528 529 530 531 532 533 534 535 536 537 538 539
    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
540 541
        if (!cur)
            return ret; /* TODO: do better error handling */
542

543 544 545 546
        cur->type   = header->type;
        cur->name   = (char *)xmlCharStrdup(header->name);
        cur->value  = (char *)xmlCharStrdup(header->value);
        cur->status = header->status;
547 548

        if (!cur->name || !cur->value) {
Marvin Scholz's avatar
Marvin Scholz committed
549 550 551 552
            if (cur->name)
                xmlFree(cur->name);
            if (cur->value)
                xmlFree(cur->value);
553 554 555 556 557 558 559 560 561 562 563 564 565
            if (old) {
                old->next = NULL;
            } else {
                ret = NULL;
            }
            free(cur);
            return ret;
        }
        header = header->next;
    }
    return ret;
}

566
static void config_clear_mount(mount_proxy *mount)
567
{
568 569 570 571 572 573 574 575 576 577 578 579
    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
580
    if (mount->authstack)           auth_stack_release(mount->authstack);
581

582
    event_registration_release(mount->event);
583
    config_clear_http_header(mount->http_headers);
Marvin Scholz's avatar
Marvin Scholz committed
584
    free(mount);
585 586
}

587 588 589 590 591 592 593 594 595 596
static void config_clear_resource(resource_t *resource)
{
    resource_t *nextresource;

    while (resource) {
        nextresource = resource->next;
        xmlFree(resource->source);
        xmlFree(resource->destination);
        xmlFree(resource->bind_address);
        xmlFree(resource->vhost);
597 598
        xmlFree(resource->module);
        xmlFree(resource->handler);
599 600 601 602 603
        free(resource);
        resource = nextresource;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
604
listener_t *config_clear_listener(listener_t *listener)
605 606 607 608 609
{
    listener_t *next = NULL;
    if (listener)
    {
        next = listener->next;
610
        if (listener->id)               xmlFree(listener->id);
611
        if (listener->on_behalf_of)     free(listener->on_behalf_of);
612 613
        if (listener->bind_address)     xmlFree(listener->bind_address);
        if (listener->shoutcast_mount)  xmlFree(listener->shoutcast_mount);
614 615 616 617
        free (listener);
    }
    return next;
}
618

619 620
void config_clear(ice_config_t *c)
{
Marvin Scholz's avatar
Marvin Scholz committed
621 622 623 624 625 626
    ice_config_dir_t    *dirnode,
                        *nextdirnode;
    relay_server        *relay,
                        *nextrelay;
    mount_proxy         *mount,
                        *nextmount;
627
#ifdef USE_YP
Marvin Scholz's avatar
Marvin Scholz committed
628
    int                 i;
629
#endif
630

631
    free(c->config_filename);
632

Marvin Scholz's avatar
Marvin Scholz committed
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
    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);
648
    if (c->shoutcast_mount) xmlFree(c->shoutcast_mount);
649
    if (c->shoutcast_user)  xmlFree(c->shoutcast_user);
Philipp Schafft's avatar
Philipp Schafft committed
650
    if (c->authstack)       auth_stack_release(c->authstack);
Marvin Scholz's avatar
Marvin Scholz committed
651
    if (c->master_server)   xmlFree(c->master_server);
652
    if (c->master_username) xmlFree(c->master_username);
653
    if (c->master_password) xmlFree(c->master_password);
Marvin Scholz's avatar
Marvin Scholz committed
654 655
    if (c->user)            xmlFree(c->user);
    if (c->group)           xmlFree(c->group);
Philipp Schafft's avatar
Philipp Schafft committed
656
    if (c->mimetypes_fn)    xmlFree(c->mimetypes_fn);
657

658 659 660 661
    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);

662 663
    event_registration_release(c->event);

664
    while ((c->listen_sock = config_clear_listener(c->listen_sock)));
665

666 667
    thread_mutex_lock(&(_locks.relay_lock));
    relay = c->relay;
668
    while (relay) {
669 670 671
        nextrelay = relay->next;
        xmlFree(relay->server);
        xmlFree(relay->mount);
Karl Heyes's avatar
Karl Heyes committed
672
        xmlFree(relay->localmount);
673 674 675 676 677 678
        free(relay);
        relay = nextrelay;
    }
    thread_mutex_unlock(&(_locks.relay_lock));

    mount = c->mounts;
679
    while (mount) {
680
        nextmount = mount->next;
681
        config_clear_mount(mount);
682 683 684
        mount = nextmount;
    }

685
    config_clear_resource(c->resources);
686 687

    dirnode = c->dir_list;
688
    while (dirnode) {
689 690 691 692 693
        nextdirnode = dirnode->next;
        xmlFree(dirnode->host);
        free(dirnode);
        dirnode = nextdirnode;
    }
694
#ifdef USE_YP
Karl Heyes's avatar
Karl Heyes committed
695
    i = 0;
Marvin Scholz's avatar
Marvin Scholz committed
696
    while (i < c->num_yp_directories) {
697
        xmlFree(c->yp_url[i]);
Karl Heyes's avatar
Karl Heyes committed
698 699 700
        i++;
    }
#endif
701

702
    config_clear_http_header(c->http_headers);
703 704 705

    refobject_unref(c->reportxml_db);

706 707 708
    memset(c, 0, sizeof(ice_config_t));
}

Marvin Scholz's avatar
Marvin Scholz committed
709 710 711
void config_reread_config(void)
{
    int           ret;
712
    ice_config_t *config;
Marvin Scholz's avatar
Marvin Scholz committed
713
    ice_config_t  new_config;
714 715 716 717 718 719 720 721 722 723 724
    /* 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
725
            break;
726 727
            case CONFIG_ENOROOT:
                ICECAST_LOG_ERROR("Root element not found in %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
728
            break;
729 730 731
            case CONFIG_EBADROOT:
                ICECAST_LOG_ERROR("Not an icecast2 config file: %s",
                        config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
732
            break;
733 734
            default:
                ICECAST_LOG_ERROR("Parse error in reading %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
735
            break;
736 737 738 739 740 741
        }
        config_release_config();
    } else {
        config_clear(config);
        config_set_config(&new_config);
        config = config_get_config_unlocked();
Marvin Scholz's avatar
Marvin Scholz committed
742
        restart_logging(config);
743
        main_config_reload(config);
744
        connection_reread_config(config);
Marvin Scholz's avatar
Marvin Scholz committed
745 746 747
        yp_recheck_config(config);
        fserve_recheck_mime_types(config);
        stats_global(config);
748 749 750 751 752
        config_release_config();
        slave_update_all_mounts();
    }
}

753 754 755 756 757 758 759 760
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
761
    xmlDocPtr  doc;
762 763
    xmlNodePtr node;

Marvin Scholz's avatar
Marvin Scholz committed
764 765
    if (filename == NULL || strcmp(filename, "") == 0)
        return CONFIG_EINSANE;
766

767
    doc = xmlParseFile(filename);
Marvin Scholz's avatar
Marvin Scholz committed
768
    if (doc == NULL)
769 770 771 772 773 774 775
        return CONFIG_EPARSE;
    node = xmlDocGetRootElement(doc);
    if (node == NULL) {
        xmlFreeDoc(doc);
        return CONFIG_ENOROOT;
    }

776
    if (xmlStrcmp(node->name, XMLSTR("icecast")) != 0) {
777 778 779 780 781
        xmlFreeDoc(doc);
        return CONFIG_EBADROOT;
    }

    config_init_configuration(configuration);
Marvin Scholz's avatar
Marvin Scholz committed
782
    configuration->config_filename = strdup(filename);
783 784
    _parse_root(doc, node->xmlChildrenNode, configuration);
    xmlFreeDoc(doc);
785
    _merge_mounts_all(configuration);
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
    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)
{
801
    thread_rwlock_unlock(&(_locks.config_lock));
802 803 804 805
}

ice_config_t *config_get_config(void)
{
806 807 808 809 810 811 812
    thread_rwlock_rlock(&(_locks.config_lock));
    return &_current_configuration;
}

ice_config_t *config_grab_config(void)
{
    thread_rwlock_wlock(&(_locks.config_lock));
813 814 815 816
    return &_current_configuration;
}

/* MUST be called with the lock held! */
Marvin Scholz's avatar
Marvin Scholz committed
817 818
void config_set_config(ice_config_t *config)
{
819 820 821 822 823 824 825 826 827 828
    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
829 830 831 832 833 834 835 836 837 838 839 840
    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;
841 842
    configuration
        ->body_size_limit = CONFIG_DEFAULT_BODY_SIZE_LIMIT;
Marvin Scholz's avatar
Marvin Scholz committed
843 844 845 846 847 848
    configuration
        ->client_timeout = CONFIG_DEFAULT_CLIENT_TIMEOUT;
    configuration
        ->header_timeout = CONFIG_DEFAULT_HEADER_TIMEOUT;
    configuration
        ->source_timeout = CONFIG_DEFAULT_SOURCE_TIMEOUT;
849 850
    configuration
        ->source_timeout = CONFIG_DEFAULT_BODY_TIMEOUT;
Marvin Scholz's avatar
Marvin Scholz committed
851 852
    configuration
        ->shoutcast_mount = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_MOUNT);
853 854
    configuration
        ->shoutcast_user = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_USER);
Marvin Scholz's avatar
Marvin Scholz committed
855 856 857 858 859 860 861 862 863
    configuration
        ->fileserve  = CONFIG_DEFAULT_FILESERVE;
    configuration
        ->touch_interval = CONFIG_DEFAULT_TOUCH_FREQ;
    configuration
        ->on_demand = 0;
    configuration
        ->dir_list = NULL;
    configuration
864
        ->hostname = (char *) xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
Marvin Scholz's avatar
Marvin Scholz committed
865
    configuration
866
        ->mimetypes_fn = (char *) xmlCharStrdup(MIMETYPESFILE);
Marvin Scholz's avatar
Marvin Scholz committed
867 868 869 870 871 872 873
    configuration
        ->master_server = NULL;
    configuration
        ->master_server_port = 0;
    configuration
        ->master_update_interval = CONFIG_MASTER_UPDATE_INTERVAL;
    configuration
874
        ->master_username = (char *) xmlCharStrdup(CONFIG_DEFAULT_MASTER_USERNAME);
Marvin Scholz's avatar
Marvin Scholz committed
875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904
    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
905
    /* default to a typical prebuffer size used by clients */
Marvin Scholz's avatar
Marvin Scholz committed
906 907
    configuration
        ->burst_size = CONFIG_DEFAULT_BURST_SIZE;
908 909
    configuration->tls_context
        .cipher_list = (char *) xmlCharStrdup(CONFIG_DEFAULT_CIPHER_LIST);
910 911
}

Marvin Scholz's avatar
Marvin Scholz committed
912 913
static inline void __check_hostname(ice_config_t *configuration)
{
914 915
    char *p;

916
    /* ensure we have a non-NULL buffer: */
917
    if (!configuration->hostname)
918
        configuration->hostname = (char *)xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
919

920
    /* convert to lower case: */
Marvin Scholz's avatar
Marvin Scholz committed
921
    for (p = configuration->hostname; *p; p++) {
922 923
        if ( *p >= 'A' && *p <= 'Z' )
            *p += 'a' - 'A';
Marvin Scholz's avatar
Marvin Scholz committed
924
    }
925 926 927 928 929 930 931

    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
932 933
            ICECAST_LOG_ERROR("Can not check hostname \"%s\".",
                configuration->hostname);
934 935
        break;
        case HOSTCHECK_NOT_FQDN:
Marvin Scholz's avatar
Marvin Scholz committed
936
            ICECAST_LOG_WARN("Warning, <hostname> seems not to be set to a "
937
                "fully qualified domain name (FQDN). This may cause problems, "
Marvin Scholz's avatar
Marvin Scholz committed
938
                "e.g. with YP directory listings.");
939 940
        break;
        case HOSTCHECK_IS_LOCALHOST:
Marvin Scholz's avatar
Marvin Scholz committed
941
            ICECAST_LOG_WARN("Warning, <hostname> not configured, using "
942 943 944 945
                "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 */
946 947
        break;
        case HOSTCHECK_IS_IPV4:
Marvin Scholz's avatar
Marvin Scholz committed
948 949 950
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv4 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
951 952
        break;
        case HOSTCHECK_IS_IPV6:
Marvin Scholz's avatar
Marvin Scholz committed
953 954 955
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv6 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
956 957
        break;
        case HOSTCHECK_BADCHAR:
958
            ICECAST_LOG_WARN("Warning, <hostname> contains unusual "
Marvin Scholz's avatar
Marvin Scholz committed
959 960
                "characters. This may cause problems, e.g. with YP directory "
                "listings.");
961 962 963 964
        break;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
965 966 967
static void _parse_root(xmlDocPtr       doc,
                        xmlNodePtr      node,
                        ice_config_t   *configuration)
968 969
{
    char *tmp;
Philipp Schafft's avatar
Philipp Schafft committed
970
    char *source_password = NULL;
971

Marvin Scholz's avatar
Marvin Scholz committed
972
    configuration
973
        ->listen_sock       = calloc(1, sizeof(*configuration->listen_sock));
Marvin Scholz's avatar
Marvin Scholz committed
974 975 976 977
    configuration
        ->listen_sock->port = 8000;
    configuration
        ->listen_sock_count = 1;
978

979
    do {
Marvin Scholz's avatar
Marvin Scholz committed
980 981 982 983 984 985 986
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
        if (xmlStrcmp(node->name, XMLSTR("location")) == 0) {
            if (configuration->location)
                xmlFree(configuration->location);
987
            configuration->location = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
988
        } else if (xmlStrcmp(node->name, XMLSTR("admin")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
989 990
            if (configuration->admin)
                xmlFree(configuration->admin);
991
            configuration->admin = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
992
        } else if (xmlStrcmp(node->name, XMLSTR("server-id")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
993
            xmlFree(configuration->server_id);
994
            configuration->server_id = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
995 996 997 998
            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
999
            _parse_authentication(doc, node->xmlChildrenNode, configuration, &source_password);
Marvin Scholz's avatar
Marvin Scholz committed
1000
        } else if (xmlStrcmp(node->name, XMLSTR("source-password")) == 0) {
1001
            /* TODO: This is the backwards-compatibility location */
Marvin Scholz's avatar
Marvin Scholz committed
1002 1003
            ICECAST_LOG_WARN("<source-password> defined outside "
                "<authentication>. This is deprecated and will be removed in "
1004 1005
                "version 2.X.0");
	    /* FIXME Settle target version for removal of this functionality! */
Philipp Schafft's avatar
Philipp Schafft committed
1006 1007 1008
            if (source_password)
                xmlFree(source_password);
            source_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1009
        } else if (xmlStrcmp(node->name, XMLSTR("icelogin")) == 0) {
1010
            ICECAST_LOG_ERROR("<icelogin> support has been removed.");
Marvin Scholz's avatar
Marvin Scholz committed
1011
        } else if (xmlStrcmp(node->name, XMLSTR("fileserve")) == 0) {
1012
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1013
            configuration->fileserve = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
1014 1015 1016
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("relays-on-demand")) == 0) {
1017
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1018
            configuration->on_demand = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
1019 1020 1021 1022 1023
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("hostname")) == 0) {
            if (configuration->hostname)
                xmlFree(configuration->hostname);
1024
            configuration->hostname = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1025
        } else if (xmlStrcmp(node->name, XMLSTR("mime-types")) == 0) {
1026
            ICECAST_LOG_WARN("<mime-types> has been moved into <paths>. Please update your configuration file.");
Marvin Scholz's avatar
Marvin Scholz committed
1027 1028
            if (configuration->mimetypes_fn)
                xmlFree(configuration->mimetypes_fn);
1029
            configuration->mimetypes_fn = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1030
        } else if (xmlStrcmp(node->name, XMLSTR("listen-socket")) == 0) {
1031
            _parse_listen_socket(doc, node, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1032
        } else if (xmlStrcmp(node->name, XMLSTR("port")) == 0) {
1033
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1034
            if (tmp && *tmp) {
1035 1036 1037 1038
                configuration->port = atoi(tmp);
                configuration->listen_sock->port = atoi(tmp);
                xmlFree(tmp);
            } else {
1039
                ICECAST_LOG_WARN("<port> setting must not be empty.");
1040
            }
Marvin Scholz's avatar
Marvin Scholz committed
1041
        } else if (xmlStrcmp(node->name, XMLSTR("bind-address")) == 0) {
1042
            if (configuration->listen_sock->bind_address)
1043 1044
                xmlFree(configuration->listen_sock->bind_address);
            configuration->listen_sock->bind_address = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1045 1046 1047
        } else if (xmlStrcmp(node->name, XMLSTR("master-server")) == 0) {
            if (configuration->master_server)
                xmlFree(configuration->master_server);
1048
            configuration->master_server = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1049 1050 1051
        } else if (xmlStrcmp(node->name, XMLSTR("master-username")) == 0) {
            if (configuration->master_username)
                xmlFree(configuration->master_username);
1052
            configuration->master_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1053 1054 1055
        } else if (xmlStrcmp(node->name, XMLSTR("master-password")) == 0) {
            if (configuration->master_password)
                xmlFree(configuration->master_password);
1056
            configuration->master_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1057
        } else if (xmlStrcmp(node->name, XMLSTR("master-server-port")) == 0) {
1058
            __read_int(doc, node, &configuration->master_server_port, "<master-server-port> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1059
        } else if (xmlStrcmp(node->name, XMLSTR("master-update-interval")) == 0) {
1060
            __read_int(doc, node, &configuration->master_update_interval, "<master-update-interval> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1061 1062 1063
        } else if (xmlStrcmp(node->name, XMLSTR("shoutcast-mount")) == 0) {
            if (configuration->shoutcast_mount)
                xmlFree(configuration->shoutcast_mount);
1064
            configuration->shoutcast_mount = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1065
        } else if (xmlStrcmp(node->name, XMLSTR("limits")) == 0) {
1066
            _parse_limits(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1067
        } else if (xmlStrcmp(node->name, XMLSTR("http-headers")) == 0) {
1068
            _parse_http_headers(doc, node->xmlChildrenNode, &(configuration->http_headers));
Marvin Scholz's avatar
Marvin Scholz committed
1069
        } else if (xmlStrcmp(node->name, XMLSTR("relay")) == 0) {
1070
            _parse_relay(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1071
        } else if (xmlStrcmp(node->name, XMLSTR("mount")) == 0) {
1072
            _parse_mount(doc, node, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1073
        } else if (xmlStrcmp(node->name, XMLSTR("directory")) == 0) {
1074
            _parse_directory(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1075
        } else if (xmlStrcmp(node->name, XMLSTR("paths")) == 0) {
1076
            _parse_paths(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1077
        } else if (xmlStrcmp(node->name, XMLSTR("logging")) == 0) {
1078
            _parse_logging(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1079
        } else if (xmlStrcmp(node->name, XMLSTR("security")) == 0) {
1080
            _parse_security(doc, node->xmlChildrenNode, configuration);
1081 1082
        } else if (xmlStrcmp(node->name, XMLSTR("event-bindings")) == 0 ||
                   xmlStrcmp(node->name, XMLSTR("kartoffelsalat")) == 0) {
1083
            _parse_events(&configuration->event, node->xmlChildrenNode);
1084 1085
        }
    } while ((node = node->next));
1086

Philipp Schafft's avatar
Philipp Schafft committed
1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102
    /* 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
1103 1104 1105 1106 1107 1108 1109
            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
1110
        } else {
1111 1112
            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
1113
        }
1114
        xmlFree(source_password);
Philipp Schafft's avatar
Philipp Schafft committed
1115
    }
1116 1117
    /* 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
1118 1119
    if (configuration->listen_sock_count > 1) {
        configuration->listen_sock = config_clear_listener(configuration->listen_sock);
1120 1121
        configuration->listen_sock_count--;
    }
1122 1123
    if (configuration->port == 0)
        configuration->port = 8000;
1124

Marvin Scholz's avatar
Marvin Scholz committed
1125 1126 1127 1128 1129 1130 1131
    /* 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);
1132

Marvin Scholz's avatar
Marvin Scholz committed
1133 1134 1135 1136
    if (!configuration->location ||
        strcmp(configuration->location, CONFIG_DEFAULT_LOCATION) == 0) {
        ICECAST_LOG_WARN("Warning, <location> not configured, using default "
            "value \"%s\".", CONFIG_DEFAULT_LOCATION);
1137
      if (!configuration->location)
Marvin Scholz's avatar
Marvin Scholz committed
1138 1139
          configuration->location = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOCATION);
    }
1140

Marvin Scholz's avatar
Marvin Scholz committed
1141 1142 1143
    if (!configuration->admin ||
        strcmp(configuration->admin, CONFIG_DEFAULT_ADMIN) == 0) {
        ICECAST_LOG_WARN("Warning, <admin> contact not configured, using "
1144
            "default value \"%s\". This breaks YP directory listings. "
1145 1146
            "YP directory support will be disabled.", CONFIG_DEFAULT_ADMIN);
            /* FIXME actually disable YP */
1147
      if (!configuration->admin)
Marvin Scholz's avatar
Marvin Scholz committed
1148
          configuration->admin = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMIN);
1149
  }
1150 1151
}

Marvin Scholz's avatar
Marvin Scholz committed
1152 1153 1154
static void _parse_limits(xmlDocPtr     doc,
                          xmlNodePtr    node,
                          ice_config_t *configuration)
1155 1156 1157
{
    char *tmp;
    do {
Marvin Scholz's avatar
Marvin Scholz committed
1158 1159 1160 1161
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
1162

1163
        if (xmlStrcmp(node->name, XMLSTR("clients")) == 0) {
1164
            __read_int(doc, node, &configuration->client_limit, "<clients> must not be empty.");
1165
        } else if (xmlStrcmp(node->name, XMLSTR("sources")) == 0) {
1166
            __read_int(doc, node, &configuration->source_limit, "<sources> must not be empty.");
1167 1168
        } else if (xmlStrcmp(node->name, XMLSTR("bodysize")) == 0) {
            __read_int(doc, node, &configuration->body_size_limit, "<bodysize> must not be empty.");
1169
        } else if (xmlStrcmp(node->name, XMLSTR("queue-size")) == 0) {
1170
            __read_unsigned_int(doc, node, &configuration->queue_size_limit, "<queue-size> must not be empty.");
1171
        } else if (xmlStrcmp(node->name, XMLSTR("threadpool")) == 0) {
1172 1173
            ICECAST_LOG_WARN("<threadpool> functionality was removed in Icecast"
			     " version 2.3.0, please remove this from your config.");
1174
        } else if (xmlStrcmp(node->name, XMLSTR("client-timeout")) == 0) {
1175
            __read_int(doc, node, &configuration->client_timeout, "<client-timeout> must not be empty.");
1176
        } else if (xmlStrcmp(node->name, XMLSTR("header-timeout")) == 0) {
1177
            __read_int(doc, node, &configuration->header_timeout, "<header-timeout> must not be empty.");
1178
        } else if (xmlStrcmp(node->name, XMLSTR("source-timeout")) == 0) {
1179
            __read_int(doc, node, &configuration->source_timeout, "<source-timeout> must not be empty.");
1180 1181
        } else if (xmlStrcmp(node->name, XMLSTR("body-timeout")) == 0) {
            __read_int(doc, node, &configuration->body_timeout, "<body-timeout> must not be empty.");
1182
        } else if (xmlStrcmp(node->name, XMLSTR("burst-on-connect")) == 0) {
1183
            ICECAST_LOG_WARN("<burst-on-connect> is deprecated, use <burst-size> instead.");
1184
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1185
            if (util_str_to_int(tmp, 0) == 0)
Karl Heyes's avatar
Karl Heyes committed
1186
                configuration->burst_size = 0;
Marvin Scholz's avatar
Marvin Scholz committed
1187 1188
            if (tmp)
                xmlFree(tmp);
1189
        } else if (xmlStrcmp(node->name, XMLSTR("burst-size")) == 0) {
1190
            __read_unsigned_int(doc, node, &configuration->burst_size, "<burst-size> must not be empty.");
1191 1192 1193 1194
        }
    } while ((node = node->next));
}

Marvin Scholz's avatar
Marvin Scholz committed
1195 1196 1197 1198 1199 1200 1201 1202 1203
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
1204 1205 1206 1207 1208
     xmlNodePtr child;

     child = node->xmlChildrenNode;

     while (child) {
1209 1210 1211
         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
1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235
             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
1236
         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS,
1237
             NULL, NULL, "get,head,post,options", NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1238
     } else if (strcmp(type, AUTH_TYPE_URL) == 0) {
1239
         /* 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
1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
         /* 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) {
1262 1263 1264
             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
1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313

                 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;