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annotate src/core/ngx_md5.h @ 7726:559d19037984

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Limit req: unlocking of nodes on complex value errors. Previously, if there were multiple limits configured, errors in ngx_http_complex_value() during processing of a non-first limit resulted in reference count leak in shared memory nodes of already processed limits. Fix is to explicity unlock relevant nodes, much like we do when rejecting requests.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 08 Oct 2020 17:44:34 +0300
parents 9eefb38f0005
children
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_MD5_H_INCLUDED_
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9 #define _NGX_MD5_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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16 typedef struct {
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17 uint64_t bytes;
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18 uint32_t a, b, c, d;
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19 u_char buffer[64];
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20 } ngx_md5_t;
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23 void ngx_md5_init(ngx_md5_t *ctx);
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24 void ngx_md5_update(ngx_md5_t *ctx, const void *data, size_t size);
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25 void ngx_md5_final(u_char result[16], ngx_md5_t *ctx);
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28 #endif /* _NGX_MD5_H_INCLUDED_ */