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WPB-15070 - Make calls to ur_addr_map_get thread safe by introducing locks #29

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WPB-15070 - Make calls to ur_addr_map_get thread safe by introducing locks #29

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95e5e5d
Bumped coturn version
e-lisa Dec 16, 2024
4d091d5
Added global lock for `ur_addr_map_get`
e-lisa Dec 16, 2024
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2 changes: 1 addition & 1 deletion src/ns_turn_defs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
#ifndef __IOADEFS__
#define __IOADEFS__

#define TURN_SERVER_VERSION "wireapp/4.6.2h"
#define TURN_SERVER_VERSION "wireapp/4.6.2j"
#define TURN_SERVER_VERSION_NAME "Gorst"
#ifndef TURN_SERVER_BUILD_INFO
#define TURN_SERVER_BUILD_INFO ""
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8 changes: 8 additions & 0 deletions src/server/ns_turn_ratelimit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,12 @@ int ratelimit_is_address_limited(ioa_addr *address, int max_requests, int window
*address_new = *address;
addr_set_port(address_new, 0);

/* Set global lock for `ur_addr_map_get` */
TURN_MUTEX_LOCK(&rate_limit_main_mutex);
if (ur_addr_map_get(rate_limit_map, address_new, &ratelimit_ptr)) {
/* Unlock global lock from `ur_addr_map_get` */
TURN_MUTEX_UNLOCK(&rate_limit_main_mutex);

free(address_new);
ratelimit_entry *rateLimitEntry = (ratelimit_entry *)(void *)(ur_map_value_type)ratelimit_ptr;
TURN_MUTEX_LOCK(&(rateLimitEntry->mutex));
Expand All @@ -105,6 +110,9 @@ int ratelimit_is_address_limited(ioa_addr *address, int max_requests, int window
TURN_MUTEX_UNLOCK(&(rateLimitEntry->mutex));
return 0;
} else {
/* Unlock global lock from `ur_addr_map_get` */
TURN_MUTEX_UNLOCK(&rate_limit_main_mutex);

/* Request is outside of defined window and count, request is ratelimited */
if (rateLimitEntry->request_count < UINT32_MAX)
rateLimitEntry->request_count++;
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