cfgfile.c 98.9 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 2011-2018, 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
#include "xslt.h"
48

Marvin Scholz's avatar
Marvin Scholz committed
49 50 51 52 53
#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
54
#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (500*1024)
55
#define CONFIG_DEFAULT_BODY_SIZE_LIMIT  (4*1024)
Marvin Scholz's avatar
Marvin Scholz committed
56 57 58 59 60
#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
61
#define CONFIG_DEFAULT_BODY_TIMEOUT     (10 + CONFIG_DEFAULT_HEADER_TIMEOUT)
Marvin Scholz's avatar
Marvin Scholz committed
62 63
#define CONFIG_DEFAULT_MASTER_USERNAME  "relay"
#define CONFIG_DEFAULT_SHOUTCAST_MOUNT  "/stream"
64
#define CONFIG_DEFAULT_SHOUTCAST_USER   "source"
Marvin Scholz's avatar
Marvin Scholz committed
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 99 100 101 102 103 104 105 106 107
#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"
108 109

#ifndef _WIN32
Marvin Scholz's avatar
Marvin Scholz committed
110 111 112 113 114 115
#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"
116
#else
Marvin Scholz's avatar
Marvin Scholz committed
117 118 119 120 121 122
#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"
123 124 125 126 127 128 129 130 131 132 133 134
#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
135 136 137 138 139 140 141 142 143 144

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);

145 146
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
147 148 149 150 151

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

152
static void _add_server(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
153
static void _parse_events(event_registration_t **events, xmlNodePtr node);
154

155 156 157
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
158 159
operation_mode config_str_to_omode(const char *str)
{
160 161 162 163 164 165 166 167
    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;
168 169
    } else if (strcasecmp(str, "strict") == 0) {
        return OMODE_STRICT;
170 171 172 173 174 175
    } else {
        ICECAST_LOG_ERROR("Unknown operation mode \"%s\", falling back to DEFAULT.", str);
        return OMODE_DEFAULT;
    }
}

176 177 178 179 180 181
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;
182 183
    } else if (strcasecmp(str, "virtual") == 0) {
        return LISTENER_TYPE_VIRTUAL;
184 185 186 187 188 189
    } else {
        ICECAST_LOG_ERROR("Unknown listener type \"%s\", falling back to NORMAL.", str);
        return LISTENER_TYPE_NORMAL;
    }
}

190 191 192 193 194 195 196 197 198 199 200 201 202
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
203 204
static void create_locks(void)
{
205
    thread_mutex_create(&_locks.relay_lock);
206
    thread_rwlock_create(&_locks.config_lock);
207 208
}

Marvin Scholz's avatar
Marvin Scholz committed
209 210
static void release_locks(void)
{
211
    thread_mutex_destroy(&_locks.relay_lock);
212
    thread_rwlock_destroy(&_locks.config_lock);
213 214
}

Marvin Scholz's avatar
Marvin Scholz committed
215 216
void config_initialize(void)
{
217 218 219
    create_locks();
}

Marvin Scholz's avatar
Marvin Scholz committed
220 221
void config_shutdown(void)
{
222 223 224 225 226 227 228 229 230 231
    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);
232
    configuration->reportxml_db = reportxml_database_new();
233 234
}

235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258
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
259 260
static inline int __parse_public(const char *str)
{
261 262 263 264 265 266 267 268 269 270 271 272
    /* 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);
}

273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
/* 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;
}

307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326
/* 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
327 328 329 330 331 332 333 334 335 336 337 338 339 340
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
341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389

    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
390 391 392 393
static void __append_option_tag(xmlNodePtr  parent,
                                const char *name,
                                const char *value)
{
Philipp Schafft's avatar
Philipp Schafft committed
394 395 396 397 398 399 400 401 402 403
    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
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
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
419

420
    if (!stack || (!client_add && !client_remove))
Philipp Schafft's avatar
Philipp Schafft committed
421 422 423 424 425 426 427 428 429 430 431 432 433
        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 {
434
        xmlSetProp(role, XMLSTR("method"), XMLSTR("get,post,head,options"));
Philipp Schafft's avatar
Philipp Schafft committed
435
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
436
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("get,post,head,options"));
Philipp Schafft's avatar
Philipp Schafft committed
437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
        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);
453 454 455 456 457 458 459
    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
460 461 462 463

    xmlFreeNode(role);
}

Marvin Scholz's avatar
Marvin Scholz committed
464 465 466 467 468
static void __append_old_style_exec_event(event_registration_t **list,
                                          const char            *trigger,
                                          const char            *executable)
{
    xmlNodePtr            exec;
469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484
    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
485 486 487 488 489 490 491 492
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;
493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511
    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
512 513 514
static void config_clear_http_header(ice_config_http_header_t *header)
{
    ice_config_http_header_t *old;
515

Marvin Scholz's avatar
Marvin Scholz committed
516 517 518 519 520 521 522
    while (header) {
        xmlFree(header->name);
        xmlFree(header->value);
        old = header;
        header = header->next;
        free(old);
    }
523 524
}

Marvin Scholz's avatar
Marvin Scholz committed
525 526
static inline ice_config_http_header_t *config_copy_http_header(ice_config_http_header_t *header)
{
527 528 529 530 531 532 533 534 535 536 537 538 539 540
    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
541 542
        if (!cur)
            return ret; /* TODO: do better error handling */
543

544 545 546 547
        cur->type   = header->type;
        cur->name   = (char *)xmlCharStrdup(header->name);
        cur->value  = (char *)xmlCharStrdup(header->value);
        cur->status = header->status;
548 549

        if (!cur->name || !cur->value) {
Marvin Scholz's avatar
Marvin Scholz committed
550 551 552 553
            if (cur->name)
                xmlFree(cur->name);
            if (cur->value)
                xmlFree(cur->value);
554 555 556 557 558 559 560 561 562 563 564 565 566
            if (old) {
                old->next = NULL;
            } else {
                ret = NULL;
            }
            free(cur);
            return ret;
        }
        header = header->next;
    }
    return ret;
}

567
static void config_clear_mount(mount_proxy *mount)
568
{
569 570 571 572 573 574 575 576 577 578 579 580
    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
581
    if (mount->authstack)           auth_stack_release(mount->authstack);
582

583
    event_registration_release(mount->event);
584
    config_clear_http_header(mount->http_headers);
Marvin Scholz's avatar
Marvin Scholz committed
585
    free(mount);
586 587
}

588 589 590 591 592 593 594 595 596 597
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);
598 599
        xmlFree(resource->module);
        xmlFree(resource->handler);
600
        free(resource->listen_socket);
601 602 603 604 605
        free(resource);
        resource = nextresource;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
606
listener_t *config_clear_listener(listener_t *listener)
607 608 609 610 611
{
    listener_t *next = NULL;
    if (listener)
    {
        next = listener->next;
612
        if (listener->id)               xmlFree(listener->id);
613
        if (listener->on_behalf_of)     free(listener->on_behalf_of);
614 615
        if (listener->bind_address)     xmlFree(listener->bind_address);
        if (listener->shoutcast_mount)  xmlFree(listener->shoutcast_mount);
616 617 618 619
        free (listener);
    }
    return next;
}
620

621 622
void config_clear(ice_config_t *c)
{
Marvin Scholz's avatar
Marvin Scholz committed
623 624 625 626
    ice_config_dir_t    *dirnode,
                        *nextdirnode;
    mount_proxy         *mount,
                        *nextmount;
627
    size_t              i;
628

629
    free(c->config_filename);
630

Marvin Scholz's avatar
Marvin Scholz committed
631 632 633 634 635 636 637 638 639 640 641 642 643 644 645
    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);
646
    if (c->shoutcast_mount) xmlFree(c->shoutcast_mount);
647
    if (c->shoutcast_user)  xmlFree(c->shoutcast_user);
Philipp Schafft's avatar
Philipp Schafft committed
648
    if (c->authstack)       auth_stack_release(c->authstack);
Marvin Scholz's avatar
Marvin Scholz committed
649
    if (c->master_server)   xmlFree(c->master_server);
650
    if (c->master_username) xmlFree(c->master_username);
651
    if (c->master_password) xmlFree(c->master_password);
Marvin Scholz's avatar
Marvin Scholz committed
652 653
    if (c->user)            xmlFree(c->user);
    if (c->group)           xmlFree(c->group);
Philipp Schafft's avatar
Philipp Schafft committed
654
    if (c->mimetypes_fn)    xmlFree(c->mimetypes_fn);
655

656 657 658 659
    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);

660 661
    event_registration_release(c->event);

662
    while ((c->listen_sock = config_clear_listener(c->listen_sock)));
663

664
    thread_mutex_lock(&(_locks.relay_lock));
665 666
    for (i = 0; i < c->relay_length; i++) {
        relay_config_free(c->relay[i]);
667
    }
668
    free(c->relay);
669 670 671
    thread_mutex_unlock(&(_locks.relay_lock));

    mount = c->mounts;
672
    while (mount) {
673
        nextmount = mount->next;
674
        config_clear_mount(mount);
675 676 677
        mount = nextmount;
    }

678
    config_clear_resource(c->resources);
679 680

    dirnode = c->dir_list;
681
    while (dirnode) {
682 683 684 685 686
        nextdirnode = dirnode->next;
        xmlFree(dirnode->host);
        free(dirnode);
        dirnode = nextdirnode;
    }
687
#ifdef USE_YP
688
    for (i = 0; i < c->num_yp_directories; i++) {
689
        xmlFree(c->yp_url[i]);
Karl Heyes's avatar
Karl Heyes committed
690 691
    }
#endif
692

693
    config_clear_http_header(c->http_headers);
694 695 696

    refobject_unref(c->reportxml_db);

697 698 699
    memset(c, 0, sizeof(ice_config_t));
}

Marvin Scholz's avatar
Marvin Scholz committed
700 701 702
void config_reread_config(void)
{
    int           ret;
703
    ice_config_t *config;
Marvin Scholz's avatar
Marvin Scholz committed
704
    ice_config_t  new_config;
705 706 707 708 709 710 711 712 713 714 715
    /* 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
716
            break;
717 718
            case CONFIG_ENOROOT:
                ICECAST_LOG_ERROR("Root element not found in %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
719
            break;
720 721 722
            case CONFIG_EBADROOT:
                ICECAST_LOG_ERROR("Not an icecast2 config file: %s",
                        config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
723
            break;
724 725
            default:
                ICECAST_LOG_ERROR("Parse error in reading %s", config->config_filename);
Marvin Scholz's avatar
Marvin Scholz committed
726
            break;
727 728 729 730 731 732
        }
        config_release_config();
    } else {
        config_clear(config);
        config_set_config(&new_config);
        config = config_get_config_unlocked();
Marvin Scholz's avatar
Marvin Scholz committed
733
        restart_logging(config);
734
        main_config_reload(config);
735
        connection_reread_config(config);
Marvin Scholz's avatar
Marvin Scholz committed
736 737 738
        yp_recheck_config(config);
        fserve_recheck_mime_types(config);
        stats_global(config);
739 740
        config_release_config();
        slave_update_all_mounts();
741
        xslt_clear_cache();
742 743 744
    }
}

745 746 747 748 749 750 751 752
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
753
    xmlDocPtr  doc;
754 755
    xmlNodePtr node;

Marvin Scholz's avatar
Marvin Scholz committed
756 757
    if (filename == NULL || strcmp(filename, "") == 0)
        return CONFIG_EINSANE;
758

759
    doc = xmlParseFile(filename);
Marvin Scholz's avatar
Marvin Scholz committed
760
    if (doc == NULL)
761 762 763 764 765 766 767
        return CONFIG_EPARSE;
    node = xmlDocGetRootElement(doc);
    if (node == NULL) {
        xmlFreeDoc(doc);
        return CONFIG_ENOROOT;
    }

768
    if (xmlStrcmp(node->name, XMLSTR("icecast")) != 0) {
769 770 771 772 773
        xmlFreeDoc(doc);
        return CONFIG_EBADROOT;
    }

    config_init_configuration(configuration);
Marvin Scholz's avatar
Marvin Scholz committed
774
    configuration->config_filename = strdup(filename);
775 776
    _parse_root(doc, node->xmlChildrenNode, configuration);
    xmlFreeDoc(doc);
777
    _merge_mounts_all(configuration);
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792
    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)
{
793
    thread_rwlock_unlock(&(_locks.config_lock));
794 795 796 797
}

ice_config_t *config_get_config(void)
{
798 799 800 801 802 803 804
    thread_rwlock_rlock(&(_locks.config_lock));
    return &_current_configuration;
}

ice_config_t *config_grab_config(void)
{
    thread_rwlock_wlock(&(_locks.config_lock));
805 806 807 808
    return &_current_configuration;
}

/* MUST be called with the lock held! */
Marvin Scholz's avatar
Marvin Scholz committed
809 810
void config_set_config(ice_config_t *config)
{
811 812 813 814 815 816 817 818 819 820
    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
821 822 823 824 825 826 827 828 829 830 831 832
    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;
833 834
    configuration
        ->body_size_limit = CONFIG_DEFAULT_BODY_SIZE_LIMIT;
Marvin Scholz's avatar
Marvin Scholz committed
835 836 837 838 839 840
    configuration
        ->client_timeout = CONFIG_DEFAULT_CLIENT_TIMEOUT;
    configuration
        ->header_timeout = CONFIG_DEFAULT_HEADER_TIMEOUT;
    configuration
        ->source_timeout = CONFIG_DEFAULT_SOURCE_TIMEOUT;
841 842
    configuration
        ->source_timeout = CONFIG_DEFAULT_BODY_TIMEOUT;
Marvin Scholz's avatar
Marvin Scholz committed
843 844
    configuration
        ->shoutcast_mount = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_MOUNT);
845 846
    configuration
        ->shoutcast_user = (char *) xmlCharStrdup(CONFIG_DEFAULT_SHOUTCAST_USER);
Marvin Scholz's avatar
Marvin Scholz committed
847 848 849 850 851 852 853 854 855
    configuration
        ->fileserve  = CONFIG_DEFAULT_FILESERVE;
    configuration
        ->touch_interval = CONFIG_DEFAULT_TOUCH_FREQ;
    configuration
        ->on_demand = 0;
    configuration
        ->dir_list = NULL;
    configuration
856
        ->hostname = (char *) xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
Marvin Scholz's avatar
Marvin Scholz committed
857
    configuration
858
        ->mimetypes_fn = (char *) xmlCharStrdup(MIMETYPESFILE);
Marvin Scholz's avatar
Marvin Scholz committed
859 860 861 862 863 864 865
    configuration
        ->master_server = NULL;
    configuration
        ->master_server_port = 0;
    configuration
        ->master_update_interval = CONFIG_MASTER_UPDATE_INTERVAL;
    configuration
866
        ->master_username = (char *) xmlCharStrdup(CONFIG_DEFAULT_MASTER_USERNAME);
Marvin Scholz's avatar
Marvin Scholz committed
867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896
    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
897
    /* default to a typical prebuffer size used by clients */
Marvin Scholz's avatar
Marvin Scholz committed
898 899
    configuration
        ->burst_size = CONFIG_DEFAULT_BURST_SIZE;
900 901
    configuration->tls_context
        .cipher_list = (char *) xmlCharStrdup(CONFIG_DEFAULT_CIPHER_LIST);
902 903
}

Marvin Scholz's avatar
Marvin Scholz committed
904 905
static inline void __check_hostname(ice_config_t *configuration)
{
906 907
    char *p;

908
    /* ensure we have a non-NULL buffer: */
909
    if (!configuration->hostname)
910
        configuration->hostname = (char *)xmlCharStrdup(CONFIG_DEFAULT_HOSTNAME);
911

912
    /* convert to lower case: */
Marvin Scholz's avatar
Marvin Scholz committed
913
    for (p = configuration->hostname; *p; p++) {
914 915
        if ( *p >= 'A' && *p <= 'Z' )
            *p += 'a' - 'A';
Marvin Scholz's avatar
Marvin Scholz committed
916
    }
917 918 919 920 921 922 923

    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
924 925
            ICECAST_LOG_ERROR("Can not check hostname \"%s\".",
                configuration->hostname);
926 927
        break;
        case HOSTCHECK_NOT_FQDN:
Marvin Scholz's avatar
Marvin Scholz committed
928
            ICECAST_LOG_WARN("Warning, <hostname> seems not to be set to a "
929
                "fully qualified domain name (FQDN). This may cause problems, "
Marvin Scholz's avatar
Marvin Scholz committed
930
                "e.g. with YP directory listings.");
931 932
        break;
        case HOSTCHECK_IS_LOCALHOST:
Marvin Scholz's avatar
Marvin Scholz committed
933
            ICECAST_LOG_WARN("Warning, <hostname> not configured, using "
934 935 936 937
                "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 */
938 939
        break;
        case HOSTCHECK_IS_IPV4:
Marvin Scholz's avatar
Marvin Scholz committed
940 941 942
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv4 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
943 944
        break;
        case HOSTCHECK_IS_IPV6:
Marvin Scholz's avatar
Marvin Scholz committed
945 946 947
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv6 "
                "address. This may cause problems, e.g. with YP directory "
                "listings.");
948 949
        break;
        case HOSTCHECK_BADCHAR:
950
            ICECAST_LOG_WARN("Warning, <hostname> contains unusual "
Marvin Scholz's avatar
Marvin Scholz committed
951 952
                "characters. This may cause problems, e.g. with YP directory "
                "listings.");
953 954 955 956
        break;
    }
}

Marvin Scholz's avatar
Marvin Scholz committed
957 958 959
static void _parse_root(xmlDocPtr       doc,
                        xmlNodePtr      node,
                        ice_config_t   *configuration)
960 961
{
    char *tmp;
Philipp Schafft's avatar
Philipp Schafft committed
962
    char *source_password = NULL;
963

Marvin Scholz's avatar
Marvin Scholz committed
964
    configuration
965
        ->listen_sock       = calloc(1, sizeof(*configuration->listen_sock));
Marvin Scholz's avatar
Marvin Scholz committed
966 967 968 969
    configuration
        ->listen_sock->port = 8000;
    configuration
        ->listen_sock_count = 1;
970

971
    do {
Marvin Scholz's avatar
Marvin Scholz committed
972 973 974 975 976 977 978
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
        if (xmlStrcmp(node->name, XMLSTR("location")) == 0) {
            if (configuration->location)
                xmlFree(configuration->location);
979
            configuration->location = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
980
        } else if (xmlStrcmp(node->name, XMLSTR("admin")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
981 982
            if (configuration->admin)
                xmlFree(configuration->admin);
983
            configuration->admin = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
984
        } else if (xmlStrcmp(node->name, XMLSTR("server-id")) == 0) {
Marvin Scholz's avatar
Marvin Scholz committed
985
            xmlFree(configuration->server_id);
986
            configuration->server_id = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
987 988 989 990
            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
991
            _parse_authentication(doc, node->xmlChildrenNode, configuration, &source_password);
Marvin Scholz's avatar
Marvin Scholz committed
992
        } else if (xmlStrcmp(node->name, XMLSTR("source-password")) == 0) {
993
            /* TODO: This is the backwards-compatibility location */
Marvin Scholz's avatar
Marvin Scholz committed
994 995
            ICECAST_LOG_WARN("<source-password> defined outside "
                "<authentication>. This is deprecated and will be removed in "
996 997
                "version 2.X.0");
	    /* FIXME Settle target version for removal of this functionality! */
Philipp Schafft's avatar
Philipp Schafft committed
998 999 1000
            if (source_password)
                xmlFree(source_password);
            source_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1001
        } else if (xmlStrcmp(node->name, XMLSTR("icelogin")) == 0) {
1002
            ICECAST_LOG_ERROR("<icelogin> support has been removed.");
Marvin Scholz's avatar
Marvin Scholz committed
1003
        } else if (xmlStrcmp(node->name, XMLSTR("fileserve")) == 0) {
1004
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1005
            configuration->fileserve = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
1006 1007 1008
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("relays-on-demand")) == 0) {
1009
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1010
            configuration->on_demand = util_str_to_bool(tmp);
Marvin Scholz's avatar
Marvin Scholz committed
1011 1012 1013 1014 1015
            if (tmp)
                xmlFree(tmp);
        } else if (xmlStrcmp(node->name, XMLSTR("hostname")) == 0) {
            if (configuration->hostname)
                xmlFree(configuration->hostname);
1016
            configuration->hostname = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1017
        } else if (xmlStrcmp(node->name, XMLSTR("mime-types")) == 0) {
1018
            ICECAST_LOG_WARN("<mime-types> has been moved into <paths>. Please update your configuration file.");
Marvin Scholz's avatar
Marvin Scholz committed
1019 1020
            if (configuration->mimetypes_fn)
                xmlFree(configuration->mimetypes_fn);
1021
            configuration->mimetypes_fn = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1022
        } else if (xmlStrcmp(node->name, XMLSTR("listen-socket")) == 0) {
1023
            _parse_listen_socket(doc, node, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1024
        } else if (xmlStrcmp(node->name, XMLSTR("port")) == 0) {
1025
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1026
            if (tmp && *tmp) {
1027 1028 1029 1030
                configuration->port = atoi(tmp);
                configuration->listen_sock->port = atoi(tmp);
                xmlFree(tmp);
            } else {
1031
                ICECAST_LOG_WARN("<port> setting must not be empty.");
1032
            }
Marvin Scholz's avatar
Marvin Scholz committed
1033
        } else if (xmlStrcmp(node->name, XMLSTR("bind-address")) == 0) {
1034
            if (configuration->listen_sock->bind_address)
1035 1036
                xmlFree(configuration->listen_sock->bind_address);
            configuration->listen_sock->bind_address = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1037 1038 1039
        } else if (xmlStrcmp(node->name, XMLSTR("master-server")) == 0) {
            if (configuration->master_server)
                xmlFree(configuration->master_server);
1040
            configuration->master_server = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1041 1042 1043
        } else if (xmlStrcmp(node->name, XMLSTR("master-username")) == 0) {
            if (configuration->master_username)
                xmlFree(configuration->master_username);
1044
            configuration->master_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1045 1046 1047
        } else if (xmlStrcmp(node->name, XMLSTR("master-password")) == 0) {
            if (configuration->master_password)
                xmlFree(configuration->master_password);
1048
            configuration->master_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1049
        } else if (xmlStrcmp(node->name, XMLSTR("master-server-port")) == 0) {
1050
            __read_int(doc, node, &configuration->master_server_port, "<master-server-port> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1051
        } else if (xmlStrcmp(node->name, XMLSTR("master-update-interval")) == 0) {
1052
            __read_int(doc, node, &configuration->master_update_interval, "<master-update-interval> must not be empty.");
Marvin Scholz's avatar
Marvin Scholz committed
1053 1054 1055
        } else if (xmlStrcmp(node->name, XMLSTR("shoutcast-mount")) == 0) {
            if (configuration->shoutcast_mount)
                xmlFree(configuration->shoutcast_mount);
1056
            configuration->shoutcast_mount = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
Marvin Scholz's avatar
Marvin Scholz committed
1057
        } else if (xmlStrcmp(node->name, XMLSTR("limits")) == 0) {
1058
            _parse_limits(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1059
        } else if (xmlStrcmp(node->name, XMLSTR("http-headers")) == 0) {
1060
            _parse_http_headers(doc, node->xmlChildrenNode, &(configuration->http_headers));
Marvin Scholz's avatar
Marvin Scholz committed
1061
        } else if (xmlStrcmp(node->name, XMLSTR("relay")) == 0) {
1062
            _parse_relay(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1063
        } else if (xmlStrcmp(node->name, XMLSTR("mount")) == 0) {
1064
            _parse_mount(doc, node, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1065
        } else if (xmlStrcmp(node->name, XMLSTR("directory")) == 0) {
1066
            _parse_directory(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1067
        } else if (xmlStrcmp(node->name, XMLSTR("paths")) == 0) {
1068
            _parse_paths(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1069
        } else if (xmlStrcmp(node->name, XMLSTR("logging")) == 0) {
1070
            _parse_logging(doc, node->xmlChildrenNode, configuration);
Marvin Scholz's avatar
Marvin Scholz committed
1071
        } else if (xmlStrcmp(node->name, XMLSTR("security")) == 0) {
1072
            _parse_security(doc, node->xmlChildrenNode, configuration);
1073 1074
        } else if (xmlStrcmp(node->name, XMLSTR("event-bindings")) == 0 ||
                   xmlStrcmp(node->name, XMLSTR("kartoffelsalat")) == 0) {
1075
            _parse_events(&configuration->event, node->xmlChildrenNode);
1076 1077
        }
    } while ((node = node->next));
1078

Philipp Schafft's avatar
Philipp Schafft committed
1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
    /* 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
1095 1096 1097 1098 1099 1100 1101
            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
1102
        } else {
1103 1104
            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
1105
        }
1106
        xmlFree(source_password);
Philipp Schafft's avatar
Philipp Schafft committed
1107
    }
1108 1109
    /* 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
1110 1111
    if (configuration->listen_sock_count > 1) {
        configuration->listen_sock = config_clear_listener(configuration->listen_sock);
1112 1113
        configuration->listen_sock_count--;
    }
1114 1115
    if (configuration->port == 0)
        configuration->port = 8000;
1116

Marvin Scholz's avatar
Marvin Scholz committed
1117 1118 1119 1120 1121 1122 1123
    /* 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);
1124

Marvin Scholz's avatar
Marvin Scholz committed
1125 1126 1127 1128
    if (!configuration->location ||
        strcmp(configuration->location, CONFIG_DEFAULT_LOCATION) == 0) {
        ICECAST_LOG_WARN("Warning, <location> not configured, using default "
            "value \"%s\".", CONFIG_DEFAULT_LOCATION);
1129
      if (!configuration->location)
Marvin Scholz's avatar
Marvin Scholz committed
1130 1131
          configuration->location = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOCATION);
    }
1132

Marvin Scholz's avatar
Marvin Scholz committed
1133 1134 1135
    if (!configuration->admin ||
        strcmp(configuration->admin, CONFIG_DEFAULT_ADMIN) == 0) {
        ICECAST_LOG_WARN("Warning, <admin> contact not configured, using "
1136
            "default value \"%s\". This breaks YP directory listings. "
1137 1138
            "YP directory support will be disabled.", CONFIG_DEFAULT_ADMIN);
            /* FIXME actually disable YP */
1139
      if (!configuration->admin)
Marvin Scholz's avatar
Marvin Scholz committed
1140
          configuration->admin = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMIN);
1141
  }
1142 1143
}

Marvin Scholz's avatar
Marvin Scholz committed
1144 1145 1146
static void _parse_limits(xmlDocPtr     doc,
                          xmlNodePtr    node,
                          ice_config_t *configuration)
1147 1148 1149
{
    char *tmp;
    do {
Marvin Scholz's avatar
Marvin Scholz committed
1150 1151 1152 1153
        if (node == NULL)
            break;
        if (xmlIsBlankNode(node))
            continue;
1154

1155
        if (xmlStrcmp(node->name, XMLSTR("clients")) == 0) {
1156
            __read_int(doc, node, &configuration->client_limit, "<clients> must not be empty.");
1157
        } else if (xmlStrcmp(node->name, XMLSTR("sources")) == 0) {
1158
            __read_int(doc, node, &configuration->source_limit, "<sources> must not be empty.");
1159 1160
        } else if (xmlStrcmp(node->name, XMLSTR("bodysize")) == 0) {
            __read_int(doc, node, &configuration->body_size_limit, "<bodysize> must not be empty.");
1161
        } else if (xmlStrcmp(node->name, XMLSTR("queue-size")) == 0) {
1162
            __read_unsigned_int(doc, node, &configuration->queue_size_limit, "<queue-size> must not be empty.");
1163
        } else if (xmlStrcmp(node->name, XMLSTR("threadpool")) == 0) {
1164 1165
            ICECAST_LOG_WARN("<threadpool> functionality was removed in Icecast"
			     " version 2.3.0, please remove this from your config.");
1166
        } else if (xmlStrcmp(node->name, XMLSTR("client-timeout")) == 0) {
1167
            __read_int(doc, node, &configuration->client_timeout, "<client-timeout> must not be empty.");
1168
        } else if (xmlStrcmp(node->name, XMLSTR("header-timeout")) == 0) {
1169
            __read_int(doc, node, &configuration->header_timeout, "<header-timeout> must not be empty.");
1170
        } else if (xmlStrcmp(node->name, XMLSTR("source-timeout")) == 0) {
1171
            __read_int(doc, node, &configuration->source_timeout, "<source-timeout> must not be empty.");
1172 1173
        } else if (xmlStrcmp(node->name, XMLSTR("body-timeout")) == 0) {
            __read_int(doc, node, &configuration->body_timeout, "<body-timeout> must not be empty.");
1174
        } else if (xmlStrcmp(node->name, XMLSTR("burst-on-connect")) == 0) {
1175
            ICECAST_LOG_WARN("<burst-on-connect> is deprecated, use <burst-size> instead.");
1176
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
1177
            if (util_str_to_int(tmp, 0) == 0)
Karl Heyes's avatar
Karl Heyes committed
1178
                configuration->burst_size = 0;
Marvin Scholz's avatar
Marvin Scholz committed
1179 1180
            if (tmp)
                xmlFree(tmp);
1181
        } else if (xmlStrcmp(node->name, XMLSTR("burst-size")) == 0) {
1182
            __read_unsigned_int(doc, node, &configuration->burst_size, "<burst-size> must not be empty.");
1183 1184 1185 1186
        }
    } while ((node = node->next));
}

Marvin Scholz's avatar
Marvin Scholz committed
1187 1188 1189 1190 1191 1192 1193 1194 1195
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
1196 1197 1198 1199 1200
     xmlNodePtr child;

     child = node->xmlChildrenNode;

     while (child) {
1201 1202 1203
         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
1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227
             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
1228
         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS,
1229
             NULL, NULL, "get,head,post,options", NULL, 0, NULL);
Philipp Schafft's avatar
Philipp Schafft committed
1230
     } else if (strcmp(type, AUTH_TYPE_URL) == 0) {
1231
         /* 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
1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
         /* 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) {
1254 1255 1256
             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
1257 1258 1259 1260 1261 1262 1263 1264 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

                 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;
                     }