Mercurial > hg > nginx
annotate src/event/ngx_event_pipe.h @ 6775:8081e1f3ab8b
SSL: overcame possible buffer over-read in ngx_ssl_error().
It appeared that ERR_error_string_n() cannot handle zero buffer size well enough
and causes over-read.
The problem has also been fixed in OpenSSL:
https://git.openssl.org/?p=openssl.git;h=e5c1361580d8de79682958b04a5f0d262e680f8b
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 18 Oct 2016 20:46:06 +0300 |
parents | adc2414856b1 |
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rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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8 #ifndef _NGX_EVENT_PIPE_H_INCLUDED_ |
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9 #define _NGX_EVENT_PIPE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 #include <ngx_event.h> |
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17 typedef struct ngx_event_pipe_s ngx_event_pipe_t; |
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18 |
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19 typedef ngx_int_t (*ngx_event_pipe_input_filter_pt)(ngx_event_pipe_t *p, |
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20 ngx_buf_t *buf); |
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21 typedef ngx_int_t (*ngx_event_pipe_output_filter_pt)(void *data, |
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22 ngx_chain_t *chain); |
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23 |
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24 |
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25 struct ngx_event_pipe_s { |
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26 ngx_connection_t *upstream; |
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27 ngx_connection_t *downstream; |
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28 |
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29 ngx_chain_t *free_raw_bufs; |
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30 ngx_chain_t *in; |
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31 ngx_chain_t **last_in; |
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32 |
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33 ngx_chain_t *writing; |
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34 |
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35 ngx_chain_t *out; |
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36 ngx_chain_t *free; |
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37 ngx_chain_t *busy; |
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38 |
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39 /* |
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40 * the input filter i.e. that moves HTTP/1.1 chunks |
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41 * from the raw bufs to an incoming chain |
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42 */ |
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43 |
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44 ngx_event_pipe_input_filter_pt input_filter; |
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45 void *input_ctx; |
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46 |
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47 ngx_event_pipe_output_filter_pt output_filter; |
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48 void *output_ctx; |
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49 |
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50 #if (NGX_THREADS || NGX_COMPAT) |
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51 ngx_int_t (*thread_handler)(ngx_thread_task_t *task, |
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52 ngx_file_t *file); |
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53 void *thread_ctx; |
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54 ngx_thread_task_t *thread_task; |
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55 #endif |
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56 |
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57 unsigned read:1; |
1565 | 58 unsigned cacheable:1; |
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59 unsigned single_buf:1; |
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60 unsigned free_bufs:1; |
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61 unsigned upstream_done:1; |
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62 unsigned upstream_error:1; |
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63 unsigned upstream_eof:1; |
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64 unsigned upstream_blocked:1; |
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65 unsigned downstream_done:1; |
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66 unsigned downstream_error:1; |
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67 unsigned cyclic_temp_file:1; |
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68 unsigned aio:1; |
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69 |
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70 ngx_int_t allocated; |
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71 ngx_bufs_t bufs; |
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72 ngx_buf_tag_t tag; |
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73 |
473 | 74 ssize_t busy_size; |
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75 |
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76 off_t read_length; |
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77 off_t length; |
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78 |
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79 off_t max_temp_file_size; |
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80 ssize_t temp_file_write_size; |
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81 |
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82 ngx_msec_t read_timeout; |
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83 ngx_msec_t send_timeout; |
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84 ssize_t send_lowat; |
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85 |
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86 ngx_pool_t *pool; |
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87 ngx_log_t *log; |
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88 |
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89 ngx_chain_t *preread_bufs; |
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90 size_t preread_size; |
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91 ngx_buf_t *buf_to_file; |
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92 |
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93 size_t limit_rate; |
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94 time_t start_sec; |
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95 |
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96 ngx_temp_file_t *temp_file; |
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97 |
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98 /* STUB */ int num; |
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99 }; |
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100 |
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101 |
1599 | 102 ngx_int_t ngx_event_pipe(ngx_event_pipe_t *p, ngx_int_t do_write); |
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103 ngx_int_t ngx_event_pipe_copy_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf); |
483 | 104 ngx_int_t ngx_event_pipe_add_free_buf(ngx_event_pipe_t *p, ngx_buf_t *b); |
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107 #endif /* _NGX_EVENT_PIPE_H_INCLUDED_ */ |