Mercurial > hg > nginx
annotate src/core/ngx_bpf.h @ 9027:f9d7930d0eed quic
HTTP/3: skip empty request body buffers (ticket #2374).
When client DATA frame header and its content come in different QUIC packets,
it may happen that only the header is processed by the first
ngx_http_v3_request_body_filter() call. In this case an empty request body
buffer is added to r->request_body->bufs, which is later reused in a
subsequent ngx_http_v3_request_body_filter() call without being removed from
the body chain. As a result, rb->request_body->bufs ends up with two copies of
the same buffer.
The fix is to avoid adding empty request body buffers to r->request_body->bufs.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 03 Aug 2022 16:59:51 +0400 |
parents | d3747ba486e7 |
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Core: added interface to linux bpf() system call.
Vladimir Homutov <vl@nginx.com>
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #ifndef _NGX_BPF_H_INCLUDED_ |
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8 #define _NGX_BPF_H_INCLUDED_ |
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9 |
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10 |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 |
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14 #include <linux/bpf.h> |
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15 |
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17 typedef struct { |
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18 char *name; |
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19 int offset; |
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20 } ngx_bpf_reloc_t; |
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21 |
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22 typedef struct { |
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23 char *license; |
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24 enum bpf_prog_type type; |
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25 struct bpf_insn *ins; |
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26 size_t nins; |
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27 ngx_bpf_reloc_t *relocs; |
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28 size_t nrelocs; |
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29 } ngx_bpf_program_t; |
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30 |
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31 |
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32 void ngx_bpf_program_link(ngx_bpf_program_t *program, const char *symbol, |
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33 int fd); |
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34 int ngx_bpf_load_program(ngx_log_t *log, ngx_bpf_program_t *program); |
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35 |
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36 int ngx_bpf_map_create(ngx_log_t *log, enum bpf_map_type type, int key_size, |
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37 int value_size, int max_entries, uint32_t map_flags); |
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38 int ngx_bpf_map_update(int fd, const void *key, const void *value, |
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39 uint64_t flags); |
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40 int ngx_bpf_map_delete(int fd, const void *key); |
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41 int ngx_bpf_map_lookup(int fd, const void *key, void *value); |
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42 |
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43 #endif /* _NGX_BPF_H_INCLUDED_ */ |