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caa19cc867
Process shared mutex seems not supported on some OSs (FreeBSD). This patch checks errors on mutex lock init to fallback on a private session cache (per process cache) in error cases.
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* shctx.h - shared context management functions for SSL
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*
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* Copyright (C) 2011-2012 EXCELIANCE
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*
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* Author: Emeric Brun - emeric@exceliance.fr
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef SHCTX_H
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#define SHCTX_H
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#include <openssl/ssl.h>
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#include <stdint.h>
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#ifndef SHSESS_BLOCK_MIN_SIZE
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#define SHSESS_BLOCK_MIN_SIZE 128
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#endif
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#ifndef SHSESS_MAX_DATA_LEN
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#define SHSESS_MAX_DATA_LEN 4096
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#endif
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#ifndef SHCTX_APPNAME
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#define SHCTX_APPNAME "haproxy"
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#endif
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#define SHCTX_E_ALLOC_CACHE -1
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#define SHCTX_E_INIT_LOCK -2
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/* Allocate shared memory context.
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* <size> is the number of allocated blocks into cache (default 128 bytes)
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* A block is large enough to contain a classic session (without client cert)
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* If <size> is set less or equal to 0, ssl cache is disabled.
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* Set <use_shared_memory> to 1 to use a mapped shared memory instead
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* of private. (ignored if compiled with USE_PRIVATE_CACHE=1).
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* Returns: -1 on alloc failure, <size> if it performs context alloc,
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* and 0 if cache is already allocated.
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*/
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int shared_context_init(int size, int use_shared_memory);
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/* Set shared cache callbacks on an ssl context.
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* Set session cache mode to server and disable openssl internal cache.
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* Shared context MUST be firstly initialized */
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void shared_context_set_cache(SSL_CTX *ctx);
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#endif /* SHCTX_H */
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