0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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12 static void ngx_http_init_request(ngx_event_t *ev);
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13 static void ngx_http_process_request_line(ngx_event_t *rev);
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14 static void ngx_http_process_request_headers(ngx_event_t *rev);
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15 static ssize_t ngx_http_read_request_header(ngx_http_request_t *r);
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16 static ngx_int_t ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
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50
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17 ngx_uint_t request_line);
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58
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18
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19 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r,
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20 ngx_table_elt_t *h, ngx_uint_t offset);
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72
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21 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r,
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22 ngx_table_elt_t *h, ngx_uint_t offset);
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376
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23 static ngx_int_t ngx_http_process_host(ngx_http_request_t *r,
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24 ngx_table_elt_t *h, ngx_uint_t offset);
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336
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25 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r,
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26 ngx_table_elt_t *h, ngx_uint_t offset);
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376
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27 static ngx_int_t ngx_http_process_user_agent(ngx_http_request_t *r,
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28 ngx_table_elt_t *h, ngx_uint_t offset);
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58
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29 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r,
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30 ngx_table_elt_t *h, ngx_uint_t offset);
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31
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0
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32 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
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308
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33 static void ngx_http_process_request(ngx_http_request_t *r);
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530
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34 static ssize_t ngx_http_validate_host(ngx_http_request_t *r, u_char **host,
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35 size_t len, ngx_uint_t alloc);
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376
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36 static ngx_int_t ngx_http_find_virtual_server(ngx_http_request_t *r,
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37 u_char *host, size_t len);
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0
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38
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58
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39 static void ngx_http_request_handler(ngx_event_t *ev);
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518
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40 static void ngx_http_terminate_request(ngx_http_request_t *r, ngx_int_t rc);
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41 static void ngx_http_terminate_handler(ngx_http_request_t *r);
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42 static void ngx_http_finalize_connection(ngx_http_request_t *r);
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74
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43 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
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58
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44 static void ngx_http_writer(ngx_http_request_t *r);
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426
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45 static void ngx_http_request_finalizer(ngx_http_request_t *r);
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58
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46
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0
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47 static void ngx_http_set_keepalive(ngx_http_request_t *r);
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48 static void ngx_http_keepalive_handler(ngx_event_t *ev);
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49 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
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50 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
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162
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51 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
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80
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52 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
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518
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53 static void ngx_http_free_request(ngx_http_request_t *r, ngx_int_t error);
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412
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54 static void ngx_http_log_request(ngx_http_request_t *r);
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80
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55 static void ngx_http_close_connection(ngx_connection_t *c);
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0
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56
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32
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57 static u_char *ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len);
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214
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58 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
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59 ngx_http_request_t *sr, u_char *buf, size_t len);
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0
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60
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88
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61 #if (NGX_HTTP_SSL)
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62 static void ngx_http_ssl_handshake(ngx_event_t *rev);
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96
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63 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
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88
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64 #endif
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65
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0
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66
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54
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67 static char *ngx_http_client_errors[] = {
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68
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69 /* NGX_HTTP_PARSE_INVALID_METHOD */
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70 "client sent invalid method",
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71
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72 /* NGX_HTTP_PARSE_INVALID_REQUEST */
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73 "client sent invalid request",
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74
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75 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
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76 "client sent invalid method in HTTP/0.9 request"
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0
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77 };
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78
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79
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80 ngx_http_header_t ngx_http_headers_in[] = {
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400
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81 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
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82 ngx_http_process_host },
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83
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84 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
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85 ngx_http_process_connection },
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58
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86
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0
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87 { ngx_string("If-Modified-Since"),
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58
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88 offsetof(ngx_http_headers_in_t, if_modified_since),
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332
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89 ngx_http_process_unique_header_line },
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58
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90
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400
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91 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
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92 ngx_http_process_user_agent },
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58
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93
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94 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
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95 ngx_http_process_header_line },
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96
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0
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97 { ngx_string("Content-Length"),
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58
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98 offsetof(ngx_http_headers_in_t, content_length),
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72
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99 ngx_http_process_unique_header_line },
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58
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100
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28
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101 { ngx_string("Content-Type"),
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58
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102 offsetof(ngx_http_headers_in_t, content_type),
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103 ngx_http_process_header_line },
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104
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105 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
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106 ngx_http_process_header_line },
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107
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346
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108 { ngx_string("If-Range"),
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109 offsetof(ngx_http_headers_in_t, if_range),
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110 ngx_http_process_unique_header_line },
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111
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130
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112 { ngx_string("Transfer-Encoding"),
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113 offsetof(ngx_http_headers_in_t, transfer_encoding),
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114 ngx_http_process_header_line },
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115
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384
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116 { ngx_string("Expect"),
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117 offsetof(ngx_http_headers_in_t, expect),
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118 ngx_http_process_unique_header_line },
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119
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0
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120 #if (NGX_HTTP_GZIP)
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121 { ngx_string("Accept-Encoding"),
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58
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122 offsetof(ngx_http_headers_in_t, accept_encoding),
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123 ngx_http_process_header_line },
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124
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125 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
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126 ngx_http_process_header_line },
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0
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127 #endif
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128
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129 { ngx_string("Authorization"),
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130 offsetof(ngx_http_headers_in_t, authorization),
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72
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131 ngx_http_process_unique_header_line },
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58
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132
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133 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
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134 ngx_http_process_header_line },
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0
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135
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510
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136 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP || NGX_HTTP_GEO)
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0
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137 { ngx_string("X-Forwarded-For"),
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58
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138 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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139 ngx_http_process_header_line },
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0
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140 #endif
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28
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141
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122
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142 #if (NGX_HTTP_REALIP)
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143 { ngx_string("X-Real-IP"),
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144 offsetof(ngx_http_headers_in_t, x_real_ip),
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145 ngx_http_process_header_line },
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146 #endif
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147
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38
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148 #if (NGX_HTTP_HEADERS)
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58
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149 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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150 ngx_http_process_header_line },
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151
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38
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152 { ngx_string("Accept-Language"),
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58
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153 offsetof(ngx_http_headers_in_t, accept_language),
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154 ngx_http_process_header_line },
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38
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155 #endif
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156
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186
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157 #if (NGX_HTTP_DAV)
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158 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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159 ngx_http_process_header_line },
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160
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161 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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162 ngx_http_process_header_line },
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230
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163
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276
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164 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
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165 ngx_http_process_header_line },
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166
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230
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167 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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168 ngx_http_process_header_line },
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186
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169 #endif
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170
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58
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171 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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172
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173 { ngx_null_string, 0, NULL }
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0
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174 };
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175
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176
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50
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177 void
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178 ngx_http_init_connection(ngx_connection_t *c)
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0
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179 {
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180 ngx_event_t *rev;
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181 ngx_http_log_ctx_t *ctx;
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182
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50
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183 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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184 if (ctx == NULL) {
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0
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185 ngx_http_close_connection(c);
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186 return;
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187 }
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188
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362
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189 ctx->connection = c;
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10
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190 ctx->request = NULL;
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214
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191 ctx->current_request = NULL;
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32
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192
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193 c->log->connection = c->number;
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194 c->log->handler = ngx_http_log_error;
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0
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195 c->log->data = ctx;
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32
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196 c->log->action = "reading client request line";
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197
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0
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198 c->log_error = NGX_ERROR_INFO;
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199
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200 rev = c->read;
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58
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201 rev->handler = ngx_http_init_request;
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118
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202 c->write->handler = ngx_http_empty_handler;
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0
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203
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116
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204 #if (NGX_STAT_STUB)
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205 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
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116
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206 #endif
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207
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0
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208 if (rev->ready) {
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209 /* the deferred accept(), rtsig, aio, iocp */
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210
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160
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211 if (ngx_use_accept_mutex) {
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112
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212 ngx_post_event(rev, &ngx_posted_events);
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0
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213 return;
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214 }
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215
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216 ngx_http_init_request(rev);
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217 return;
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218 }
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219
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220 ngx_add_timer(rev, c->listening->post_accept_timeout);
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221
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430
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222 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
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116
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223 #if (NGX_STAT_STUB)
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502
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224 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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225 #endif
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0
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226 ngx_http_close_connection(c);
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227 return;
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228 }
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229 }
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230
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231
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190
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232 static void
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233 ngx_http_init_request(ngx_event_t *rev)
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0
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234 {
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298
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235 ngx_time_t *tp;
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122
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236 ngx_uint_t i;
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237 ngx_connection_t *c;
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238 ngx_http_request_t *r;
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448
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239 struct sockaddr_in *sin;
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240 ngx_http_port_t *port;
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241 ngx_http_in_addr_t *addr;
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122
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242 ngx_http_log_ctx_t *ctx;
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448
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243 ngx_http_addr_conf_t *addr_conf;
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122
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244 ngx_http_connection_t *hc;
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245 ngx_http_core_srv_conf_t *cscf;
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246 ngx_http_core_loc_conf_t *clcf;
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247 ngx_http_core_main_conf_t *cmcf;
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448
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248 #if (NGX_HAVE_INET6)
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249 struct sockaddr_in6 *sin6;
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250 ngx_http_in6_addr_t *addr6;
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251 #endif
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0
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252
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116
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253 #if (NGX_STAT_STUB)
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502
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254 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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255 #endif
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256
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0
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257 c = rev->data;
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258
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259 if (rev->timedout) {
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260 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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261
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262 ngx_http_close_connection(c);
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263 return;
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264 }
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265
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496
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266 c->requests++;
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267
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0
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268 hc = c->data;
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269
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116
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270 if (hc == NULL) {
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50
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271 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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272 if (hc == NULL) {
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0
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273 ngx_http_close_connection(c);
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274 return;
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275 }
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276 }
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277
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278 r = hc->request;
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279
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280 if (r) {
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281 ngx_memzero(r, sizeof(ngx_http_request_t));
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282
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283 r->pipeline = hc->pipeline;
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284
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285 if (hc->nbusy) {
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286 r->header_in = hc->busy[0];
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287 }
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288
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289 } else {
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50
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290 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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291 if (r == NULL) {
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0
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292 ngx_http_close_connection(c);
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293 return;
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294 }
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295
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296 hc->request = r;
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297 }
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298
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299 c->data = r;
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300 r->http_connection = hc;
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301
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302 c->sent = 0;
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303 r->signature = NGX_HTTP_MODULE;
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304
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305 /* find the server configuration for the address:port */
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306
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448
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307 port = c->listening->servers;
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308
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362
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309 r->connection = c;
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310
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448
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311 if (port->naddrs > 1) {
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0
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312
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313 /*
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448
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314 * there are several addresses on this port and one of them
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315 * is an "*:port" wildcard so getsockname() in ngx_http_server_addr()
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316 * is required to determine a server address
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0
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317 */
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318
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492
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319 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
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448
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320 ngx_http_close_connection(c);
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321 return;
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322 }
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323
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324 switch (c->local_sockaddr->sa_family) {
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325
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326 #if (NGX_HAVE_INET6)
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327 case AF_INET6:
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328 sin6 = (struct sockaddr_in6 *) c->local_sockaddr;
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329
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492
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330 addr6 = port->addrs;
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448
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331
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332 /* the last address is "*" */
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333
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334 for (i = 0; i < port->naddrs - 1; i++) {
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335 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
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336 break;
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337 }
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338 }
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339
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340 addr_conf = &addr6[i].conf;
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341
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342 break;
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0
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343 #endif
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448
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344
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345 default: /* AF_INET */
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346 sin = (struct sockaddr_in *) c->local_sockaddr;
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347
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348 addr = port->addrs;
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349
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350 /* the last address is "*" */
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351
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352 for (i = 0; i < port->naddrs - 1; i++) {
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353 if (addr[i].addr == sin->sin_addr.s_addr) {
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354 break;
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355 }
|
0
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356 }
|
448
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357
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358 addr_conf = &addr[i].conf;
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359
|
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360 break;
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0
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361 }
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362
|
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363 } else {
|
448
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364
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365 switch (c->local_sockaddr->sa_family) {
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366
|
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367 #if (NGX_HAVE_INET6)
|
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368 case AF_INET6:
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492
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369 addr6 = port->addrs;
|
448
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370 addr_conf = &addr6[0].conf;
|
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371 break;
|
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372 #endif
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373
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374 default: /* AF_INET */
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375 addr = port->addrs;
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376 addr_conf = &addr[0].conf;
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377 break;
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378 }
|
0
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379 }
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380
|
478
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381 r->virtual_names = addr_conf->virtual_names;
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382
|
0
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383 /* the default server configuration for the address:port */
|
538
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384 cscf = addr_conf->default_server;
|
0
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385
|
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386 r->main_conf = cscf->ctx->main_conf;
|
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387 r->srv_conf = cscf->ctx->srv_conf;
|
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388 r->loc_conf = cscf->ctx->loc_conf;
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389
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58
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390 rev->handler = ngx_http_process_request_line;
|
510
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391 r->read_event_handler = ngx_http_block_reading;
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0
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392
|
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393 #if (NGX_HTTP_SSL)
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394
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356
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395 {
|
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396 ngx_http_ssl_srv_conf_t *sscf;
|
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397
|
0
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398 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
448
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399 if (sscf->enable || addr_conf->ssl) {
|
0
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400
|
|
401 if (c->ssl == NULL) {
|
404
|
402
|
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403 c->log->action = "SSL handshaking";
|
|
404
|
448
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405 if (addr_conf->ssl && sscf->ssl.ctx == NULL) {
|
404
|
406 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
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407 "no \"ssl_certificate\" is defined "
|
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408 "in server listening on SSL port");
|
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409 ngx_http_close_connection(c);
|
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410 return;
|
|
411 }
|
|
412
|
96
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413 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
454
|
414 != NGX_OK)
|
0
|
415 {
|
|
416 ngx_http_close_connection(c);
|
|
417 return;
|
|
418 }
|
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419
|
58
|
420 rev->handler = ngx_http_ssl_handshake;
|
0
|
421 }
|
|
422
|
62
|
423 r->main_filter_need_in_memory = 1;
|
0
|
424 }
|
356
|
425 }
|
0
|
426
|
|
427 #endif
|
|
428
|
|
429 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
484
|
430 c->log->file = clcf->error_log->file;
|
0
|
431 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
484
|
432 c->log->log_level = clcf->error_log->log_level;
|
0
|
433 }
|
|
434
|
|
435 if (c->buffer == NULL) {
|
|
436 c->buffer = ngx_create_temp_buf(c->pool,
|
|
437 cscf->client_header_buffer_size);
|
|
438 if (c->buffer == NULL) {
|
|
439 ngx_http_close_connection(c);
|
|
440 return;
|
|
441 }
|
|
442 }
|
|
443
|
|
444 if (r->header_in == NULL) {
|
|
445 r->header_in = c->buffer;
|
|
446 }
|
|
447
|
50
|
448 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
449 if (r->pool == NULL) {
|
0
|
450 ngx_http_close_connection(c);
|
|
451 return;
|
|
452 }
|
|
453
|
|
454
|
|
455 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
130
|
456 sizeof(ngx_table_elt_t))
|
454
|
457 != NGX_OK)
|
0
|
458 {
|
496
|
459 ngx_destroy_pool(r->pool);
|
|
460 ngx_http_close_connection(c);
|
0
|
461 return;
|
|
462 }
|
|
463
|
|
464 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
465 if (r->ctx == NULL) {
|
496
|
466 ngx_destroy_pool(r->pool);
|
|
467 ngx_http_close_connection(c);
|
0
|
468 return;
|
|
469 }
|
|
470
|
122
|
471 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
472
|
|
473 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
474 * sizeof(ngx_http_variable_value_t));
|
|
475 if (r->variables == NULL) {
|
496
|
476 ngx_destroy_pool(r->pool);
|
|
477 ngx_http_close_connection(c);
|
122
|
478 return;
|
|
479 }
|
|
480
|
0
|
481 c->single_connection = 1;
|
132
|
482 c->destroyed = 0;
|
|
483
|
102
|
484 r->main = r;
|
518
|
485 r->count = 1;
|
102
|
486
|
298
|
487 tp = ngx_timeofday();
|
|
488 r->start_sec = tp->sec;
|
|
489 r->start_msec = tp->msec;
|
46
|
490
|
180
|
491 r->method = NGX_HTTP_UNKNOWN;
|
|
492
|
0
|
493 r->headers_in.content_length_n = -1;
|
|
494 r->headers_in.keep_alive_n = -1;
|
|
495 r->headers_out.content_length_n = -1;
|
|
496 r->headers_out.last_modified_time = -1;
|
|
497
|
226
|
498 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
499 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
500
|
0
|
501 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
502
|
54
|
503 ctx = c->log->data;
|
|
504 ctx->request = r;
|
214
|
505 ctx->current_request = r;
|
58
|
506 r->log_handler = ngx_http_log_error_handler;
|
54
|
507
|
0
|
508 #if (NGX_STAT_STUB)
|
502
|
509 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
26
|
510 r->stat_reading = 1;
|
502
|
511 (void) ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
0
|
512 #endif
|
|
513
|
58
|
514 rev->handler(rev);
|
0
|
515 }
|
|
516
|
|
517
|
|
518 #if (NGX_HTTP_SSL)
|
|
519
|
50
|
520 static void
|
|
521 ngx_http_ssl_handshake(ngx_event_t *rev)
|
0
|
522 {
|
10
|
523 u_char buf[1];
|
|
524 ssize_t n;
|
0
|
525 ngx_int_t rc;
|
|
526 ngx_connection_t *c;
|
|
527 ngx_http_request_t *r;
|
|
528
|
|
529 c = rev->data;
|
|
530 r = c->data;
|
|
531
|
|
532 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
533 "http check ssl handshake");
|
|
534
|
|
535 if (rev->timedout) {
|
54
|
536 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
537 c->timedout = 1;
|
|
538 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
539 return;
|
|
540 }
|
|
541
|
132
|
542 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
0
|
543
|
|
544 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
364
|
545
|
|
546 if (!rev->timer_set) {
|
|
547 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
548 }
|
|
549
|
430
|
550 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
364
|
551 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
552 }
|
|
553
|
0
|
554 return;
|
|
555 }
|
|
556
|
|
557 if (n == 1) {
|
584
|
558 if (buf[0] & 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
0
|
559 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
10
|
560 "https ssl handshake: 0x%02Xd", buf[0]);
|
0
|
561
|
|
562 rc = ngx_ssl_handshake(c);
|
|
563
|
96
|
564 if (rc == NGX_AGAIN) {
|
362
|
565
|
|
566 if (!rev->timer_set) {
|
|
567 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
568 }
|
|
569
|
96
|
570 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
0
|
571 return;
|
|
572 }
|
|
573
|
96
|
574 ngx_http_ssl_handshake_handler(c);
|
|
575
|
|
576 return;
|
0
|
577
|
|
578 } else {
|
|
579 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
580 "plain http");
|
|
581
|
|
582 r->plain_http = 1;
|
|
583 }
|
|
584 }
|
|
585
|
404
|
586 c->log->action = "reading client request line";
|
|
587
|
58
|
588 rev->handler = ngx_http_process_request_line;
|
0
|
589 ngx_http_process_request_line(rev);
|
|
590 }
|
|
591
|
96
|
592
|
|
593 static void
|
|
594 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
595 {
|
|
596 ngx_http_request_t *r;
|
|
597
|
|
598 if (c->ssl->handshaked) {
|
|
599
|
|
600 /*
|
|
601 * The majority of browsers do not send the "close notify" alert.
|
|
602 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
603 * and Links. And what is more, MSIE ignores the server's alert.
|
|
604 *
|
|
605 * Opera and recent Mozilla send the alert.
|
|
606 */
|
|
607
|
|
608 c->ssl->no_wait_shutdown = 1;
|
|
609
|
|
610 c->read->handler = ngx_http_process_request_line;
|
|
611 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
612
|
|
613 ngx_http_process_request_line(c->read);
|
|
614
|
|
615 return;
|
|
616 }
|
|
617
|
|
618 r = c->data;
|
|
619
|
|
620 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
621
|
|
622 return;
|
|
623 }
|
|
624
|
306
|
625 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
626
|
|
627 int
|
|
628 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
629 {
|
400
|
630 size_t len;
|
530
|
631 u_char *host;
|
306
|
632 const char *servername;
|
|
633 ngx_connection_t *c;
|
|
634 ngx_http_request_t *r;
|
|
635 ngx_http_ssl_srv_conf_t *sscf;
|
|
636
|
|
637 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
638
|
|
639 if (servername == NULL) {
|
|
640 return SSL_TLSEXT_ERR_NOACK;
|
|
641 }
|
|
642
|
|
643 c = ngx_ssl_get_connection(ssl_conn);
|
|
644
|
|
645 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
646 "SSL server name: \"%s\"", servername);
|
|
647
|
400
|
648 len = ngx_strlen(servername);
|
|
649
|
|
650 if (len == 0) {
|
|
651 return SSL_TLSEXT_ERR_NOACK;
|
|
652 }
|
|
653
|
306
|
654 r = c->data;
|
|
655
|
530
|
656 host = (u_char *) servername;
|
|
657
|
|
658 len = ngx_http_validate_host(r, &host, len, 1);
|
|
659
|
|
660 if (len <= 0) {
|
|
661 return SSL_TLSEXT_ERR_NOACK;
|
|
662 }
|
|
663
|
|
664 if (ngx_http_find_virtual_server(r, host, len) != NGX_OK) {
|
306
|
665 return SSL_TLSEXT_ERR_NOACK;
|
|
666 }
|
|
667
|
|
668 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
669
|
|
670 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
671
|
|
672 return SSL_TLSEXT_ERR_OK;
|
|
673 }
|
|
674
|
|
675 #endif
|
96
|
676
|
0
|
677 #endif
|
|
678
|
|
679
|
50
|
680 static void
|
|
681 ngx_http_process_request_line(ngx_event_t *rev)
|
0
|
682 {
|
530
|
683 u_char *host;
|
342
|
684 ssize_t n;
|
|
685 ngx_int_t rc, rv;
|
|
686 ngx_connection_t *c;
|
|
687 ngx_http_request_t *r;
|
|
688 ngx_http_core_srv_conf_t *cscf;
|
0
|
689
|
|
690 c = rev->data;
|
|
691 r = c->data;
|
|
692
|
|
693 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
694 "http process request line");
|
|
695
|
|
696 if (rev->timedout) {
|
54
|
697 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
698 c->timedout = 1;
|
|
699 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
700 return;
|
|
701 }
|
|
702
|
|
703 rc = NGX_AGAIN;
|
|
704
|
|
705 for ( ;; ) {
|
|
706
|
|
707 if (rc == NGX_AGAIN) {
|
|
708 n = ngx_http_read_request_header(r);
|
|
709
|
|
710 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
711 return;
|
|
712 }
|
|
713 }
|
|
714
|
|
715 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
716
|
|
717 if (rc == NGX_OK) {
|
|
718
|
|
719 /* the request line has been parsed successfully */
|
|
720
|
10
|
721 r->request_line.len = r->request_end - r->request_start;
|
|
722 r->request_line.data = r->request_start;
|
|
723
|
0
|
724
|
|
725 if (r->args_start) {
|
|
726 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
727 } else {
|
|
728 r->uri.len = r->uri_end - r->uri_start;
|
|
729 }
|
|
730
|
18
|
731
|
2
|
732 if (r->complex_uri || r->quoted_uri) {
|
10
|
733
|
382
|
734 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
50
|
735 if (r->uri.data == NULL) {
|
10
|
736 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
737 return;
|
|
738 }
|
|
739
|
342
|
740 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
741
|
|
742 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
0
|
743
|
54
|
744 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
745 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
746 "client sent invalid request");
|
|
747 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
748 return;
|
|
749 }
|
|
750
|
|
751 } else {
|
10
|
752 r->uri.data = r->uri_start;
|
0
|
753 }
|
|
754
|
18
|
755
|
10
|
756 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
757 r->unparsed_uri.data = r->uri_start;
|
|
758
|
578
|
759 r->valid_unparsed_uri = r->space_in_uri ? 0 : 1;
|
0
|
760
|
58
|
761 r->method_name.len = r->method_end - r->request_start + 1;
|
|
762 r->method_name.data = r->request_line.data;
|
0
|
763
|
10
|
764
|
28
|
765 if (r->http_protocol.data) {
|
|
766 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
767 }
|
|
768
|
|
769
|
0
|
770 if (r->uri_ext) {
|
|
771 if (r->args_start) {
|
|
772 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
773 } else {
|
|
774 r->exten.len = r->uri_end - r->uri_ext;
|
|
775 }
|
|
776
|
10
|
777 r->exten.data = r->uri_ext;
|
0
|
778 }
|
|
779
|
10
|
780
|
0
|
781 if (r->args_start && r->uri_end > r->args_start) {
|
|
782 r->args.len = r->uri_end - r->args_start;
|
10
|
783 r->args.data = r->args_start;
|
0
|
784 }
|
|
785
|
508
|
786 #if (NGX_WIN32)
|
|
787 {
|
|
788 u_char *p;
|
|
789
|
|
790 p = r->uri.data + r->uri.len - 1;
|
|
791
|
576
|
792 while (p > r->uri.data) {
|
|
793
|
|
794 if (*p == ' ') {
|
|
795 p--;
|
|
796 continue;
|
|
797 }
|
|
798
|
|
799 if (*p == '.') {
|
|
800 p--;
|
|
801 continue;
|
562
|
802 }
|
508
|
803
|
576
|
804 if (ngx_strncasecmp(p - 6, (u_char *) "::$data", 7) == 0) {
|
|
805 p -= 7;
|
|
806 continue;
|
|
807 }
|
|
808
|
|
809 break;
|
|
810 }
|
|
811
|
|
812 if (p != r->uri.data + r->uri.len - 1) {
|
508
|
813 r->uri.len = p + 1 - r->uri.data;
|
|
814 ngx_http_set_exten(r);
|
|
815 }
|
576
|
816
|
508
|
817 }
|
|
818 #endif
|
10
|
819
|
|
820 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
821 "http request line: \"%V\"", &r->request_line);
|
|
822
|
0
|
823 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
824 "http uri: \"%V\"", &r->uri);
|
0
|
825
|
|
826 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
827 "http args: \"%V\"", &r->args);
|
0
|
828
|
|
829 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
830 "http exten: \"%V\"", &r->exten);
|
|
831
|
376
|
832 if (r->host_start && r->host_end) {
|
530
|
833
|
|
834 host = r->host_start;
|
|
835 n = ngx_http_validate_host(r, &host,
|
|
836 r->host_end - r->host_start, 0);
|
|
837
|
|
838 if (n == 0) {
|
376
|
839 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
840 "client sent invalid host in request line");
|
|
841 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
842 return;
|
|
843 }
|
|
844
|
530
|
845 if (n < 0) {
|
|
846 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
847 return;
|
|
848 }
|
|
849
|
376
|
850 r->headers_in.server.len = n;
|
530
|
851 r->headers_in.server.data = host;
|
376
|
852 }
|
|
853
|
0
|
854 if (r->http_version < NGX_HTTP_VERSION_10) {
|
376
|
855
|
|
856 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
857 r->headers_in.server.len)
|
|
858 == NGX_ERROR)
|
|
859 {
|
|
860 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
861 return;
|
|
862 }
|
|
863
|
308
|
864 ngx_http_process_request(r);
|
0
|
865 return;
|
|
866 }
|
|
867
|
|
868
|
|
869 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
130
|
870 sizeof(ngx_table_elt_t))
|
454
|
871 != NGX_OK)
|
0
|
872 {
|
|
873 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
874 return;
|
|
875 }
|
|
876
|
|
877
|
48
|
878 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
130
|
879 sizeof(ngx_table_elt_t *))
|
454
|
880 != NGX_OK)
|
0
|
881 {
|
|
882 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
883 return;
|
|
884 }
|
|
885
|
32
|
886 c->log->action = "reading client request headers";
|
0
|
887
|
58
|
888 rev->handler = ngx_http_process_request_headers;
|
0
|
889 ngx_http_process_request_headers(rev);
|
|
890
|
|
891 return;
|
54
|
892 }
|
|
893
|
|
894 if (rc != NGX_AGAIN) {
|
0
|
895
|
|
896 /* there was error while a request line parsing */
|
|
897
|
54
|
898 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
899 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
900 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
901 return;
|
|
902 }
|
|
903
|
|
904 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
905
|
|
906 if (r->header_in->pos == r->header_in->end) {
|
|
907
|
|
908 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
909
|
|
910 if (rv == NGX_ERROR) {
|
|
911 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
912 return;
|
|
913 }
|
|
914
|
|
915 if (rv == NGX_DECLINED) {
|
54
|
916 r->request_line.len = r->header_in->end - r->request_start;
|
|
917 r->request_line.data = r->request_start;
|
|
918
|
|
919 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
920 "client sent too long URI");
|
|
921 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
0
|
922 return;
|
|
923 }
|
|
924 }
|
|
925 }
|
|
926 }
|
|
927
|
|
928
|
50
|
929 static void
|
|
930 ngx_http_process_request_headers(ngx_event_t *rev)
|
0
|
931 {
|
524
|
932 u_char *p;
|
|
933 size_t len;
|
56
|
934 ssize_t n;
|
|
935 ngx_int_t rc, rv;
|
58
|
936 ngx_table_elt_t *h;
|
56
|
937 ngx_connection_t *c;
|
|
938 ngx_http_header_t *hh;
|
|
939 ngx_http_request_t *r;
|
60
|
940 ngx_http_core_srv_conf_t *cscf;
|
56
|
941 ngx_http_core_main_conf_t *cmcf;
|
0
|
942
|
|
943 c = rev->data;
|
|
944 r = c->data;
|
|
945
|
|
946 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
947 "http process request header line");
|
|
948
|
|
949 if (rev->timedout) {
|
54
|
950 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
951 c->timedout = 1;
|
|
952 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
953 return;
|
|
954 }
|
|
955
|
56
|
956 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
60
|
957 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
56
|
958
|
0
|
959 rc = NGX_AGAIN;
|
|
960
|
|
961 for ( ;; ) {
|
|
962
|
|
963 if (rc == NGX_AGAIN) {
|
|
964
|
|
965 if (r->header_in->pos == r->header_in->end) {
|
|
966
|
|
967 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
968
|
|
969 if (rv == NGX_ERROR) {
|
|
970 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
971 return;
|
|
972 }
|
|
973
|
|
974 if (rv == NGX_DECLINED) {
|
524
|
975 p = r->header_name_start;
|
|
976
|
540
|
977 if (p == NULL) {
|
|
978 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
979 "client sent too large request");
|
|
980 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
981 return;
|
|
982 }
|
|
983
|
|
984 len = r->header_in->end - p;
|
|
985
|
524
|
986 if (len > NGX_MAX_ERROR_STR - 300) {
|
|
987 len = NGX_MAX_ERROR_STR - 300;
|
|
988 p[len++] = '.'; p[len++] = '.'; p[len++] = '.';
|
80
|
989 }
|
|
990
|
54
|
991 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
524
|
992 "client sent too long header line: \"%*s\"",
|
|
993 len, r->header_name_start);
|
330
|
994 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
995 return;
|
|
996 }
|
|
997 }
|
|
998
|
|
999 n = ngx_http_read_request_header(r);
|
|
1000
|
|
1001 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
1002 return;
|
|
1003 }
|
|
1004 }
|
|
1005
|
412
|
1006 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
1007 cscf->underscores_in_headers);
|
0
|
1008
|
|
1009 if (rc == NGX_OK) {
|
|
1010
|
60
|
1011 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
52
|
1012
|
|
1013 /* there was error while a header line parsing */
|
|
1014
|
54
|
1015 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
524
|
1016 "client sent invalid header line: \"%*s\"",
|
|
1017 r->header_end - r->header_name_start,
|
|
1018 r->header_name_start);
|
52
|
1019 continue;
|
|
1020 }
|
|
1021
|
0
|
1022 /* a header line has been parsed successfully */
|
|
1023
|
50
|
1024 h = ngx_list_push(&r->headers_in.headers);
|
|
1025 if (h == NULL) {
|
0
|
1026 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1027 return;
|
|
1028 }
|
|
1029
|
56
|
1030 h->hash = r->header_hash;
|
|
1031
|
0
|
1032 h->key.len = r->header_name_end - r->header_name_start;
|
|
1033 h->key.data = r->header_name_start;
|
|
1034 h->key.data[h->key.len] = '\0';
|
|
1035
|
|
1036 h->value.len = r->header_end - r->header_start;
|
|
1037 h->value.data = r->header_start;
|
|
1038 h->value.data[h->value.len] = '\0';
|
|
1039
|
382
|
1040 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
198
|
1041 if (h->lowcase_key == NULL) {
|
|
1042 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1043 return;
|
|
1044 }
|
|
1045
|
|
1046 if (h->key.len == r->lowcase_index) {
|
|
1047 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
1048
|
|
1049 } else {
|
392
|
1050 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
0
|
1051 }
|
|
1052
|
198
|
1053 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
1054 h->lowcase_key, h->key.len);
|
|
1055
|
|
1056 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
1057 return;
|
|
1058 }
|
|
1059
|
0
|
1060 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
1061 "http header: \"%V: %V\"",
|
|
1062 &h->key, &h->value);
|
0
|
1063
|
|
1064 continue;
|
54
|
1065 }
|
|
1066
|
|
1067 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
0
|
1068
|
|
1069 /* a whole header has been parsed successfully */
|
|
1070
|
|
1071 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1072 "http header done");
|
|
1073
|
24
|
1074 r->request_length += r->header_in->pos - r->header_in->start;
|
|
1075
|
0
|
1076 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
1077
|
|
1078 rc = ngx_http_process_request_header(r);
|
|
1079
|
|
1080 if (rc != NGX_OK) {
|
|
1081 return;
|
|
1082 }
|
|
1083
|
308
|
1084 ngx_http_process_request(r);
|
86
|
1085
|
0
|
1086 return;
|
54
|
1087 }
|
|
1088
|
|
1089 if (rc == NGX_AGAIN) {
|
|
1090
|
|
1091 /* a header line parsing is still not complete */
|
|
1092
|
|
1093 continue;
|
0
|
1094 }
|
|
1095
|
54
|
1096 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
1097
|
|
1098 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
524
|
1099 "client sent invalid header line: \"%*s\\r...\"",
|
|
1100 r->header_end - r->header_name_start,
|
|
1101 r->header_name_start);
|
330
|
1102 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
54
|
1103 return;
|
0
|
1104 }
|
|
1105 }
|
|
1106
|
|
1107
|
50
|
1108 static ssize_t
|
|
1109 ngx_http_read_request_header(ngx_http_request_t *r)
|
0
|
1110 {
|
|
1111 ssize_t n;
|
|
1112 ngx_event_t *rev;
|
230
|
1113 ngx_connection_t *c;
|
0
|
1114 ngx_http_core_srv_conf_t *cscf;
|
|
1115
|
230
|
1116 c = r->connection;
|
|
1117 rev = c->read;
|
0
|
1118
|
|
1119 n = r->header_in->last - r->header_in->pos;
|
|
1120
|
|
1121 if (n > 0) {
|
|
1122 return n;
|
|
1123 }
|
|
1124
|
72
|
1125 if (rev->ready) {
|
230
|
1126 n = c->recv(c, r->header_in->last,
|
|
1127 r->header_in->end - r->header_in->last);
|
72
|
1128 } else {
|
|
1129 n = NGX_AGAIN;
|
0
|
1130 }
|
|
1131
|
|
1132 if (n == NGX_AGAIN) {
|
364
|
1133 if (!rev->timer_set) {
|
0
|
1134 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1135 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
1136 }
|
|
1137
|
430
|
1138 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
0
|
1139 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1140 return NGX_ERROR;
|
|
1141 }
|
|
1142
|
|
1143 return NGX_AGAIN;
|
|
1144 }
|
|
1145
|
|
1146 if (n == 0) {
|
230
|
1147 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
0
|
1148 "client closed prematurely connection");
|
|
1149 }
|
|
1150
|
|
1151 if (n == 0 || n == NGX_ERROR) {
|
272
|
1152 c->error = 1;
|
|
1153 c->log->action = "reading client request headers";
|
|
1154
|
|
1155 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
1156 return NGX_ERROR;
|
|
1157 }
|
|
1158
|
|
1159 r->header_in->last += n;
|
|
1160
|
|
1161 return n;
|
|
1162 }
|
|
1163
|
|
1164
|
50
|
1165 static ngx_int_t
|
|
1166 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
1167 ngx_uint_t request_line)
|
0
|
1168 {
|
|
1169 u_char *old, *new;
|
|
1170 ngx_buf_t *b;
|
|
1171 ngx_http_connection_t *hc;
|
|
1172 ngx_http_core_srv_conf_t *cscf;
|
|
1173
|
|
1174 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1175 "http alloc large header buffer");
|
|
1176
|
|
1177 if (request_line && r->state == 0) {
|
|
1178
|
|
1179 /* the client fills up the buffer with "\r\n" */
|
|
1180
|
24
|
1181 r->request_length += r->header_in->end - r->header_in->start;
|
|
1182
|
0
|
1183 r->header_in->pos = r->header_in->start;
|
|
1184 r->header_in->last = r->header_in->start;
|
|
1185
|
|
1186 return NGX_OK;
|
|
1187 }
|
|
1188
|
|
1189 old = request_line ? r->request_start : r->header_name_start;
|
|
1190
|
|
1191 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1192
|
|
1193 if (r->state != 0
|
|
1194 && (size_t) (r->header_in->pos - old)
|
|
1195 >= cscf->large_client_header_buffers.size)
|
|
1196 {
|
|
1197 return NGX_DECLINED;
|
|
1198 }
|
|
1199
|
|
1200 hc = r->http_connection;
|
|
1201
|
|
1202 if (hc->nfree) {
|
|
1203 b = hc->free[--hc->nfree];
|
|
1204
|
|
1205 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
1206 "http large header free: %p %uz",
|
0
|
1207 b->pos, b->end - b->last);
|
|
1208
|
|
1209 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
1210
|
|
1211 if (hc->busy == NULL) {
|
|
1212 hc->busy = ngx_palloc(r->connection->pool,
|
|
1213 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
1214 if (hc->busy == NULL) {
|
|
1215 return NGX_ERROR;
|
|
1216 }
|
|
1217 }
|
|
1218
|
|
1219 b = ngx_create_temp_buf(r->connection->pool,
|
|
1220 cscf->large_client_header_buffers.size);
|
|
1221 if (b == NULL) {
|
|
1222 return NGX_ERROR;
|
|
1223 }
|
|
1224
|
|
1225 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
1226 "http large header alloc: %p %uz",
|
0
|
1227 b->pos, b->end - b->last);
|
|
1228
|
|
1229 } else {
|
|
1230 return NGX_DECLINED;
|
|
1231 }
|
|
1232
|
|
1233 hc->busy[hc->nbusy++] = b;
|
|
1234
|
|
1235 if (r->state == 0) {
|
|
1236 /*
|
|
1237 * r->state == 0 means that a header line was parsed successfully
|
|
1238 * and we do not need to copy incomplete header line and
|
|
1239 * to relocate the parser header pointers
|
|
1240 */
|
|
1241
|
24
|
1242 r->request_length += r->header_in->end - r->header_in->start;
|
|
1243
|
0
|
1244 r->header_in = b;
|
|
1245
|
|
1246 return NGX_OK;
|
|
1247 }
|
|
1248
|
|
1249 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1250 "http large header copy: %d", r->header_in->pos - old);
|
|
1251
|
24
|
1252 r->request_length += old - r->header_in->start;
|
|
1253
|
0
|
1254 new = b->start;
|
|
1255
|
|
1256 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
1257
|
|
1258 b->pos = new + (r->header_in->pos - old);
|
|
1259 b->last = new + (r->header_in->pos - old);
|
|
1260
|
|
1261 if (request_line) {
|
|
1262 r->request_start = new;
|
|
1263
|
|
1264 if (r->request_end) {
|
|
1265 r->request_end = new + (r->request_end - old);
|
|
1266 }
|
|
1267
|
|
1268 r->method_end = new + (r->method_end - old);
|
|
1269
|
|
1270 r->uri_start = new + (r->uri_start - old);
|
|
1271 r->uri_end = new + (r->uri_end - old);
|
|
1272
|
|
1273 if (r->schema_start) {
|
|
1274 r->schema_start = new + (r->schema_start - old);
|
|
1275 r->schema_end = new + (r->schema_end - old);
|
|
1276 }
|
|
1277
|
|
1278 if (r->host_start) {
|
|
1279 r->host_start = new + (r->host_start - old);
|
270
|
1280 if (r->host_end) {
|
|
1281 r->host_end = new + (r->host_end - old);
|
|
1282 }
|
0
|
1283 }
|
|
1284
|
|
1285 if (r->port_start) {
|
|
1286 r->port_start = new + (r->port_start - old);
|
|
1287 r->port_end = new + (r->port_end - old);
|
|
1288 }
|
|
1289
|
|
1290 if (r->uri_ext) {
|
|
1291 r->uri_ext = new + (r->uri_ext - old);
|
|
1292 }
|
|
1293
|
|
1294 if (r->args_start) {
|
|
1295 r->args_start = new + (r->args_start - old);
|
|
1296 }
|
|
1297
|
354
|
1298 if (r->http_protocol.data) {
|
|
1299 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
1300 }
|
|
1301
|
0
|
1302 } else {
|
|
1303 r->header_name_start = new;
|
|
1304 r->header_name_end = new + (r->header_name_end - old);
|
|
1305 r->header_start = new + (r->header_start - old);
|
|
1306 r->header_end = new + (r->header_end - old);
|
|
1307 }
|
|
1308
|
|
1309 r->header_in = b;
|
|
1310
|
|
1311 return NGX_OK;
|
|
1312 }
|
|
1313
|
|
1314
|
50
|
1315 static ngx_int_t
|
58
|
1316 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1317 ngx_uint_t offset)
|
|
1318 {
|
|
1319 ngx_table_elt_t **ph;
|
|
1320
|
|
1321 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
1322
|
|
1323 if (*ph == NULL) {
|
|
1324 *ph = h;
|
|
1325 }
|
|
1326
|
|
1327 return NGX_OK;
|
|
1328 }
|
|
1329
|
|
1330
|
|
1331 static ngx_int_t
|
72
|
1332 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1333 ngx_uint_t offset)
|
|
1334 {
|
|
1335 ngx_table_elt_t **ph;
|
|
1336
|
|
1337 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
1338
|
|
1339 if (*ph == NULL) {
|
|
1340 *ph = h;
|
|
1341 return NGX_OK;
|
|
1342 }
|
|
1343
|
|
1344 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
230
|
1345 "client sent duplicate header line: \"%V: %V\", "
|
|
1346 "previous value: \"%V: %V\"",
|
|
1347 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
72
|
1348
|
|
1349 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
1350
|
|
1351 return NGX_ERROR;
|
|
1352 }
|
|
1353
|
|
1354
|
|
1355 static ngx_int_t
|
376
|
1356 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1357 ngx_uint_t offset)
|
|
1358 {
|
530
|
1359 u_char *host;
|
|
1360 ssize_t len;
|
376
|
1361
|
|
1362 if (r->headers_in.host == NULL) {
|
|
1363 r->headers_in.host = h;
|
|
1364 }
|
|
1365
|
530
|
1366 host = h->value.data;
|
|
1367 len = ngx_http_validate_host(r, &host, h->value.len, 0);
|
|
1368
|
|
1369 if (len == 0) {
|
376
|
1370 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1371 "client sent invalid host header");
|
|
1372 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
1373 return NGX_ERROR;
|
|
1374 }
|
|
1375
|
530
|
1376 if (len < 0) {
|
|
1377 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1378 return NGX_ERROR;
|
|
1379 }
|
|
1380
|
376
|
1381 if (r->headers_in.server.len) {
|
|
1382 return NGX_OK;
|
|
1383 }
|
|
1384
|
|
1385 r->headers_in.server.len = len;
|
530
|
1386 r->headers_in.server.data = host;
|
376
|
1387
|
|
1388 return NGX_OK;
|
|
1389 }
|
|
1390
|
|
1391
|
|
1392 static ngx_int_t
|
336
|
1393 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1394 ngx_uint_t offset)
|
|
1395 {
|
340
|
1396 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
336
|
1397 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
1398
|
340
|
1399 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
336
|
1400 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
1401 }
|
|
1402
|
|
1403 return NGX_OK;
|
|
1404 }
|
|
1405
|
|
1406
|
|
1407 static ngx_int_t
|
376
|
1408 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1409 ngx_uint_t offset)
|
|
1410 {
|
400
|
1411 u_char *user_agent, *msie;
|
376
|
1412
|
|
1413 if (r->headers_in.user_agent) {
|
|
1414 return NGX_OK;
|
|
1415 }
|
|
1416
|
|
1417 r->headers_in.user_agent = h;
|
|
1418
|
|
1419 /* check some widespread browsers while the header is in CPU cache */
|
|
1420
|
|
1421 user_agent = h->value.data;
|
|
1422
|
400
|
1423 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
1424
|
|
1425 if (msie && msie + 7 < user_agent + h->value.len) {
|
376
|
1426
|
|
1427 r->headers_in.msie = 1;
|
|
1428
|
400
|
1429 if (msie[6] == '.') {
|
|
1430
|
|
1431 switch (msie[5]) {
|
|
1432 case '4':
|
|
1433 r->headers_in.msie4 = 1;
|
|
1434 /* fall through */
|
|
1435 case '5':
|
518
|
1436 r->headers_in.msie6 = 1;
|
|
1437 break;
|
400
|
1438 case '6':
|
518
|
1439 if (ngx_strstrn(msie + 8, "SV1", 3 - 1) == NULL) {
|
|
1440 r->headers_in.msie6 = 1;
|
|
1441 }
|
|
1442 break;
|
400
|
1443 }
|
376
|
1444 }
|
|
1445
|
|
1446 #if 0
|
|
1447 /* MSIE ignores the SSL "close notify" alert */
|
|
1448 if (c->ssl) {
|
|
1449 c->ssl->no_send_shutdown = 1;
|
|
1450 }
|
|
1451 #endif
|
|
1452 }
|
|
1453
|
|
1454 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
1455 r->headers_in.opera = 1;
|
|
1456 r->headers_in.msie = 0;
|
|
1457 r->headers_in.msie4 = 0;
|
400
|
1458 r->headers_in.msie6 = 0;
|
376
|
1459 }
|
|
1460
|
|
1461 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
1462
|
|
1463 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
1464 r->headers_in.gecko = 1;
|
|
1465
|
546
|
1466 } else if (ngx_strstrn(user_agent, "Chrome/", 7 - 1)) {
|
|
1467 r->headers_in.chrome = 1;
|
|
1468
|
562
|
1469 } else if (ngx_strstrn(user_agent, "Safari/", 7 - 1)) {
|
|
1470 r->headers_in.safari = 1;
|
|
1471
|
376
|
1472 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
1473 r->headers_in.konqueror = 1;
|
|
1474 }
|
|
1475 }
|
|
1476
|
|
1477 return NGX_OK;
|
|
1478 }
|
|
1479
|
|
1480
|
|
1481 static ngx_int_t
|
58
|
1482 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1483 ngx_uint_t offset)
|
|
1484 {
|
|
1485 ngx_table_elt_t **cookie;
|
|
1486
|
|
1487 cookie = ngx_array_push(&r->headers_in.cookies);
|
72
|
1488 if (cookie) {
|
|
1489 *cookie = h;
|
|
1490 return NGX_OK;
|
58
|
1491 }
|
|
1492
|
72
|
1493 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1494
|
|
1495 return NGX_ERROR;
|
58
|
1496 }
|
|
1497
|
|
1498
|
|
1499 static ngx_int_t
|
50
|
1500 ngx_http_process_request_header(ngx_http_request_t *r)
|
0
|
1501 {
|
376
|
1502 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
1503 r->headers_in.server.len)
|
|
1504 == NGX_ERROR)
|
|
1505 {
|
|
1506 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1507 return NGX_ERROR;
|
|
1508 }
|
|
1509
|
|
1510 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
1511 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1512 "client sent HTTP/1.1 request without \"Host\" header");
|
|
1513 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
1514 return NGX_ERROR;
|
0
|
1515 }
|
|
1516
|
|
1517 if (r->headers_in.content_length) {
|
|
1518 r->headers_in.content_length_n =
|
212
|
1519 ngx_atoof(r->headers_in.content_length->value.data,
|
0
|
1520 r->headers_in.content_length->value.len);
|
|
1521
|
|
1522 if (r->headers_in.content_length_n == NGX_ERROR) {
|
54
|
1523 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1524 "client sent invalid \"Content-Length\" header");
|
130
|
1525 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
54
|
1526 return NGX_ERROR;
|
0
|
1527 }
|
|
1528 }
|
|
1529
|
426
|
1530 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
54
|
1531 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
362
|
1532 "client sent %V method without \"Content-Length\" header",
|
|
1533 &r->method_name);
|
130
|
1534 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
1535 return NGX_ERROR;
|
|
1536 }
|
|
1537
|
336
|
1538 if (r->method & NGX_HTTP_TRACE) {
|
294
|
1539 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1540 "client sent TRACE method");
|
|
1541 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
1542 return NGX_ERROR;
|
|
1543 }
|
|
1544
|
130
|
1545 if (r->headers_in.transfer_encoding
|
340
|
1546 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
1547 "chunked", 7 - 1))
|
130
|
1548 {
|
|
1549 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1550 "client sent \"Transfer-Encoding: chunked\" header");
|
|
1551 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
54
|
1552 return NGX_ERROR;
|
0
|
1553 }
|
|
1554
|
336
|
1555 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
1556 if (r->headers_in.keep_alive) {
|
|
1557 r->headers_in.keep_alive_n =
|
|
1558 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
1559 r->headers_in.keep_alive->value.len);
|
0
|
1560 }
|
|
1561 }
|
|
1562
|
308
|
1563 return NGX_OK;
|
|
1564 }
|
|
1565
|
|
1566
|
|
1567 static void
|
|
1568 ngx_http_process_request(ngx_http_request_t *r)
|
|
1569 {
|
356
|
1570 ngx_connection_t *c;
|
308
|
1571
|
|
1572 c = r->connection;
|
|
1573
|
354
|
1574 if (r->plain_http) {
|
|
1575 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
1576 "client sent plain HTTP request to HTTPS port");
|
|
1577 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
1578 return;
|
|
1579 }
|
|
1580
|
308
|
1581 #if (NGX_HTTP_SSL)
|
|
1582
|
|
1583 if (c->ssl) {
|
356
|
1584 long rc;
|
372
|
1585 X509 *cert;
|
356
|
1586 ngx_http_ssl_srv_conf_t *sscf;
|
|
1587
|
218
|
1588 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
1589
|
510
|
1590 if (sscf->verify) {
|
308
|
1591 rc = SSL_get_verify_result(c->ssl->connection);
|
218
|
1592
|
|
1593 if (rc != X509_V_OK) {
|
308
|
1594 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
220
|
1595 "client SSL certificate verify error: (%l:%s)",
|
218
|
1596 rc, X509_verify_cert_error_string(rc));
|
366
|
1597
|
|
1598 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
1599 (SSL_get0_session(c->ssl->connection)));
|
|
1600
|
218
|
1601 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
308
|
1602 return;
|
218
|
1603 }
|
|
1604
|
510
|
1605 if (sscf->verify == 1) {
|
|
1606 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
1607
|
|
1608 if (cert == NULL) {
|
|
1609 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
1610 "client sent no required SSL certificate");
|
|
1611
|
|
1612 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
366
|
1613 (SSL_get0_session(c->ssl->connection)));
|
|
1614
|
510
|
1615 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
1616 return;
|
|
1617 }
|
|
1618
|
|
1619 X509_free(cert);
|
218
|
1620 }
|
|
1621 }
|
|
1622 }
|
|
1623
|
|
1624 #endif
|
|
1625
|
308
|
1626 if (c->read->timer_set) {
|
|
1627 ngx_del_timer(c->read);
|
|
1628 }
|
|
1629
|
|
1630 #if (NGX_STAT_STUB)
|
502
|
1631 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
308
|
1632 r->stat_reading = 0;
|
502
|
1633 (void) ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
308
|
1634 r->stat_writing = 1;
|
|
1635 #endif
|
|
1636
|
|
1637 c->read->handler = ngx_http_request_handler;
|
|
1638 c->write->handler = ngx_http_request_handler;
|
326
|
1639 r->read_event_handler = ngx_http_block_reading;
|
308
|
1640
|
|
1641 ngx_http_handler(r);
|
|
1642
|
426
|
1643 ngx_http_run_posted_requests(c);
|
0
|
1644 }
|
|
1645
|
|
1646
|
376
|
1647 static ssize_t
|
530
|
1648 ngx_http_validate_host(ngx_http_request_t *r, u_char **host, size_t len,
|
|
1649 ngx_uint_t alloc)
|
26
|
1650 {
|
530
|
1651 u_char *h, ch;
|
|
1652 size_t i, last;
|
|
1653 ngx_uint_t dot;
|
376
|
1654
|
|
1655 last = len;
|
530
|
1656 h = *host;
|
376
|
1657 dot = 0;
|
|
1658
|
|
1659 for (i = 0; i < len; i++) {
|
530
|
1660 ch = h[i];
|
376
|
1661
|
|
1662 if (ch == '.') {
|
|
1663 if (dot) {
|
530
|
1664 return 0;
|
376
|
1665 }
|
|
1666
|
|
1667 dot = 1;
|
|
1668 continue;
|
|
1669 }
|
|
1670
|
|
1671 dot = 0;
|
|
1672
|
|
1673 if (ch == ':') {
|
|
1674 last = i;
|
|
1675 continue;
|
|
1676 }
|
|
1677
|
482
|
1678 if (ngx_path_separator(ch) || ch == '\0') {
|
530
|
1679 return 0;
|
|
1680 }
|
|
1681
|
|
1682 if (ch >= 'A' || ch < 'Z') {
|
|
1683 alloc = 1;
|
376
|
1684 }
|
|
1685 }
|
|
1686
|
|
1687 if (dot) {
|
|
1688 last--;
|
|
1689 }
|
|
1690
|
530
|
1691 if (alloc) {
|
|
1692 *host = ngx_pnalloc(r->pool, last) ;
|
|
1693 if (*host == NULL) {
|
|
1694 return -1;
|
|
1695 }
|
|
1696
|
|
1697 ngx_strlow(*host, h, last);
|
|
1698 }
|
|
1699
|
376
|
1700 return last;
|
|
1701 }
|
|
1702
|
|
1703
|
|
1704 static ngx_int_t
|
|
1705 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
1706 {
|
142
|
1707 ngx_http_core_loc_conf_t *clcf;
|
|
1708 ngx_http_core_srv_conf_t *cscf;
|
376
|
1709
|
478
|
1710 if (r->virtual_names == NULL) {
|
376
|
1711 return NGX_DECLINED;
|
|
1712 }
|
|
1713
|
530
|
1714 cscf = ngx_hash_find_combined(&r->virtual_names->names,
|
|
1715 ngx_hash_key(host, len), host, len);
|
312
|
1716
|
|
1717 if (cscf) {
|
|
1718 goto found;
|
26
|
1719 }
|
|
1720
|
326
|
1721 #if (NGX_PCRE)
|
|
1722
|
538
|
1723 if (len && r->virtual_names->nregex) {
|
356
|
1724 ngx_int_t n;
|
|
1725 ngx_uint_t i;
|
|
1726 ngx_str_t name;
|
|
1727 ngx_http_server_name_t *sn;
|
326
|
1728
|
|
1729 name.len = len;
|
530
|
1730 name.data = host;
|
326
|
1731
|
478
|
1732 sn = r->virtual_names->regex;
|
|
1733
|
|
1734 for (i = 0; i < r->virtual_names->nregex; i++) {
|
326
|
1735
|
546
|
1736 n = ngx_http_regex_exec(r, sn[i].regex, &name);
|
|
1737
|
|
1738 if (n == NGX_OK) {
|
|
1739 cscf = sn[i].server;
|
|
1740 goto found;
|
456
|
1741 }
|
|
1742
|
546
|
1743 if (n == NGX_DECLINED) {
|
326
|
1744 continue;
|
|
1745 }
|
|
1746
|
546
|
1747 return NGX_ERROR;
|
326
|
1748 }
|
|
1749 }
|
|
1750
|
|
1751 #endif
|
|
1752
|
376
|
1753 return NGX_OK;
|
58
|
1754
|
|
1755 found:
|
|
1756
|
142
|
1757 r->srv_conf = cscf->ctx->srv_conf;
|
|
1758 r->loc_conf = cscf->ctx->loc_conf;
|
58
|
1759
|
|
1760 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
484
|
1761 r->connection->log->file = clcf->error_log->file;
|
58
|
1762
|
|
1763 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
484
|
1764 r->connection->log->log_level = clcf->error_log->log_level;
|
26
|
1765 }
|
|
1766
|
376
|
1767 return NGX_OK;
|
26
|
1768 }
|
|
1769
|
|
1770
|
58
|
1771 static void
|
|
1772 ngx_http_request_handler(ngx_event_t *ev)
|
|
1773 {
|
|
1774 ngx_connection_t *c;
|
|
1775 ngx_http_request_t *r;
|
214
|
1776 ngx_http_log_ctx_t *ctx;
|
58
|
1777
|
|
1778 c = ev->data;
|
|
1779 r = c->data;
|
|
1780
|
214
|
1781 ctx = c->log->data;
|
|
1782 ctx->current_request = r;
|
|
1783
|
426
|
1784 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
1785 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
1786
|
58
|
1787 if (ev->write) {
|
|
1788 r->write_event_handler(r);
|
|
1789
|
|
1790 } else {
|
|
1791 r->read_event_handler(r);
|
|
1792 }
|
426
|
1793
|
|
1794 ngx_http_run_posted_requests(c);
|
|
1795 }
|
|
1796
|
|
1797
|
|
1798 void
|
|
1799 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
1800 {
|
|
1801 ngx_http_request_t *r;
|
|
1802 ngx_http_log_ctx_t *ctx;
|
|
1803 ngx_http_posted_request_t *pr;
|
|
1804
|
|
1805 for ( ;; ) {
|
|
1806
|
|
1807 if (c->destroyed) {
|
|
1808 return;
|
|
1809 }
|
|
1810
|
|
1811 r = c->data;
|
|
1812 pr = r->main->posted_requests;
|
|
1813
|
|
1814 if (pr == NULL) {
|
|
1815 return;
|
|
1816 }
|
|
1817
|
|
1818 r->main->posted_requests = pr->next;
|
|
1819
|
|
1820 r = pr->request;
|
|
1821
|
|
1822 ctx = c->log->data;
|
|
1823 ctx->current_request = r;
|
|
1824
|
|
1825 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
1826 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
1827
|
|
1828 r->write_event_handler(r);
|
|
1829 }
|
|
1830 }
|
|
1831
|
|
1832
|
|
1833 ngx_int_t
|
520
|
1834 ngx_http_post_request(ngx_http_request_t *r, ngx_http_posted_request_t *pr)
|
426
|
1835 {
|
520
|
1836 ngx_http_posted_request_t **p;
|
|
1837
|
426
|
1838 if (pr == NULL) {
|
520
|
1839 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
1840 if (pr == NULL) {
|
|
1841 return NGX_ERROR;
|
|
1842 }
|
426
|
1843 }
|
|
1844
|
|
1845 pr->request = r;
|
|
1846 pr->next = NULL;
|
|
1847
|
|
1848 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
1849
|
|
1850 *p = pr;
|
|
1851
|
|
1852 return NGX_OK;
|
58
|
1853 }
|
|
1854
|
|
1855
|
50
|
1856 void
|
58
|
1857 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
0
|
1858 {
|
330
|
1859 ngx_connection_t *c;
|
58
|
1860 ngx_http_request_t *pr;
|
0
|
1861 ngx_http_core_loc_conf_t *clcf;
|
|
1862
|
518
|
1863 c = r->connection;
|
|
1864
|
|
1865 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
1866 "http finalize request: %d, \"%V?%V\" a:%d, c:%d",
|
|
1867 rc, &r->uri, &r->args, r == c->data, r->main->count);
|
|
1868
|
58
|
1869 if (rc == NGX_DONE) {
|
518
|
1870 ngx_http_finalize_connection(r);
|
58
|
1871 return;
|
|
1872 }
|
|
1873
|
488
|
1874 if (rc == NGX_OK && r->filter_finalize) {
|
|
1875 c->error = 1;
|
|
1876 return;
|
|
1877 }
|
|
1878
|
230
|
1879 if (rc == NGX_DECLINED) {
|
|
1880 r->content_handler = NULL;
|
|
1881 r->write_event_handler = ngx_http_core_run_phases;
|
|
1882 ngx_http_core_run_phases(r);
|
|
1883 return;
|
|
1884 }
|
|
1885
|
248
|
1886 if (r != r->main && r->post_subrequest) {
|
|
1887 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
216
|
1888 }
|
|
1889
|
358
|
1890 if (rc == NGX_ERROR
|
|
1891 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
1892 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
1893 || c->error)
|
|
1894 {
|
162
|
1895 if (ngx_http_post_action(r) == NGX_OK) {
|
|
1896 return;
|
|
1897 }
|
|
1898
|
518
|
1899 if (r->main->blocked) {
|
|
1900 r->write_event_handler = ngx_http_request_finalizer;
|
|
1901 }
|
|
1902
|
|
1903 ngx_http_terminate_request(r, rc);
|
0
|
1904 return;
|
|
1905 }
|
|
1906
|
186
|
1907 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
1908 || rc == NGX_HTTP_CREATED
|
|
1909 || rc == NGX_HTTP_NO_CONTENT)
|
|
1910 {
|
136
|
1911 if (rc == NGX_HTTP_CLOSE) {
|
518
|
1912 ngx_http_terminate_request(r, rc);
|
136
|
1913 return;
|
|
1914 }
|
|
1915
|
146
|
1916 if (r == r->main) {
|
330
|
1917 if (c->read->timer_set) {
|
|
1918 ngx_del_timer(c->read);
|
118
|
1919 }
|
|
1920
|
330
|
1921 if (c->write->timer_set) {
|
|
1922 ngx_del_timer(c->write);
|
118
|
1923 }
|
|
1924 }
|
|
1925
|
410
|
1926 c->read->handler = ngx_http_request_handler;
|
|
1927 c->write->handler = ngx_http_request_handler;
|
|
1928
|
118
|
1929 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
1930 return;
|
|
1931 }
|
|
1932
|
426
|
1933 if (r != r->main) {
|
|
1934
|
|
1935 if (r->buffered || r->postponed) {
|
|
1936
|
|
1937 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
518
|
1938 ngx_http_terminate_request(r, 0);
|
426
|
1939 }
|
|
1940
|
74
|
1941 return;
|
|
1942 }
|
426
|
1943
|
|
1944 #if (NGX_DEBUG)
|
|
1945 if (r != c->data) {
|
|
1946 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
1947 "http finalize non-active request: \"%V?%V\"",
|
|
1948 &r->uri, &r->args);
|
|
1949 }
|
|
1950 #endif
|
58
|
1951
|
|
1952 pr = r->parent;
|
|
1953
|
426
|
1954 if (r == c->data) {
|
|
1955
|
518
|
1956 r->main->count--;
|
|
1957
|
426
|
1958 if (!r->logged) {
|
|
1959
|
|
1960 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1961
|
|
1962 if (clcf->log_subrequest) {
|
|
1963 ngx_http_log_request(r);
|
|
1964 }
|
|
1965
|
|
1966 r->logged = 1;
|
|
1967
|
|
1968 } else {
|
|
1969 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
1970 "subrequest: \"%V?%V\" logged again",
|
|
1971 &r->uri, &r->args);
|
|
1972 }
|
|
1973
|
|
1974 r->done = 1;
|
|
1975
|
|
1976 if (pr->postponed && pr->postponed->request == r) {
|
|
1977 pr->postponed = pr->postponed->next;
|
|
1978 }
|
|
1979
|
|
1980 c->data = pr;
|
|
1981
|
|
1982 } else {
|
|
1983
|
|
1984 r->write_event_handler = ngx_http_request_finalizer;
|
|
1985
|
|
1986 if (r->waited) {
|
|
1987 r->done = 1;
|
|
1988 }
|
|
1989 }
|
|
1990
|
520
|
1991 if (ngx_http_post_request(pr, NULL) != NGX_OK) {
|
518
|
1992 r->main->count++;
|
|
1993 ngx_http_terminate_request(r, 0);
|
426
|
1994 return;
|
|
1995 }
|
|
1996
|
330
|
1997 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
426
|
1998 "http wake parent request: \"%V?%V\"",
|
|
1999 &pr->uri, &pr->args);
|
|
2000
|
|
2001 return;
|
|
2002 }
|
|
2003
|
518
|
2004 if (r->buffered || c->buffered || r->postponed || r->blocked) {
|
426
|
2005
|
|
2006 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
518
|
2007 ngx_http_terminate_request(r, 0);
|
58
|
2008 }
|
|
2009
|
|
2010 return;
|
|
2011 }
|
0
|
2012
|
426
|
2013 if (r != c->data) {
|
|
2014 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
2015 "http finalize non-active request: \"%V?%V\"",
|
|
2016 &r->uri, &r->args);
|
0
|
2017 return;
|
76
|
2018 }
|
|
2019
|
426
|
2020 r->done = 1;
|
562
|
2021 r->write_event_handler = ngx_http_request_empty_handler;
|
0
|
2022
|
178
|
2023 if (!r->post_action) {
|
|
2024 r->request_complete = 1;
|
|
2025 }
|
|
2026
|
162
|
2027 if (ngx_http_post_action(r) == NGX_OK) {
|
126
|
2028 return;
|
|
2029 }
|
|
2030
|
330
|
2031 if (c->read->timer_set) {
|
|
2032 ngx_del_timer(c->read);
|
|
2033 }
|
|
2034
|
|
2035 if (c->write->timer_set) {
|
|
2036 c->write->delayed = 0;
|
|
2037 ngx_del_timer(c->write);
|
0
|
2038 }
|
|
2039
|
518
|
2040 if (c->read->eof) {
|
|
2041 ngx_http_close_request(r, 0);
|
330
|
2042 return;
|
0
|
2043 }
|
|
2044
|
518
|
2045 ngx_http_finalize_connection(r);
|
|
2046 }
|
|
2047
|
|
2048
|
|
2049 static void
|
|
2050 ngx_http_terminate_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
2051 {
|
520
|
2052 ngx_http_cleanup_t *cln;
|
|
2053 ngx_http_request_t *mr;
|
|
2054 ngx_http_ephemeral_t *e;
|
518
|
2055
|
|
2056 mr = r->main;
|
|
2057
|
|
2058 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2059 "http terminate request count:%d", mr->count);
|
|
2060
|
532
|
2061 if (rc > 0 && (mr->headers_out.status == 0 || mr->connection->sent == 0)) {
|
|
2062 mr->headers_out.status = rc;
|
|
2063 }
|
|
2064
|
518
|
2065 cln = mr->cleanup;
|
|
2066 mr->cleanup = NULL;
|
|
2067
|
|
2068 while (cln) {
|
|
2069 if (cln->handler) {
|
|
2070 cln->handler(cln->data);
|
|
2071 }
|
|
2072
|
|
2073 cln = cln->next;
|
|
2074 }
|
|
2075
|
|
2076 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2077 "http terminate cleanup count:%d blk:%d",
|
|
2078 mr->count, mr->blocked);
|
|
2079
|
|
2080 if (mr->write_event_handler) {
|
|
2081
|
|
2082 if (mr->blocked) {
|
|
2083 return;
|
|
2084 }
|
|
2085
|
520
|
2086 e = ngx_http_ephemeral(mr);
|
518
|
2087 mr->posted_requests = NULL;
|
|
2088 mr->write_event_handler = ngx_http_terminate_handler;
|
520
|
2089 (void) ngx_http_post_request(mr, &e->terminal_posted_request);
|
518
|
2090 return;
|
|
2091 }
|
|
2092
|
|
2093 ngx_http_close_request(mr, rc);
|
|
2094 }
|
|
2095
|
|
2096
|
|
2097 static void
|
|
2098 ngx_http_terminate_handler(ngx_http_request_t *r)
|
|
2099 {
|
|
2100 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2101 "http terminate handler count:%d", r->count);
|
|
2102
|
|
2103 r->count = 1;
|
|
2104
|
|
2105 ngx_http_close_request(r, 0);
|
|
2106 }
|
|
2107
|
|
2108
|
|
2109 static void
|
|
2110 ngx_http_finalize_connection(ngx_http_request_t *r)
|
|
2111 {
|
|
2112 ngx_http_core_loc_conf_t *clcf;
|
|
2113
|
538
|
2114 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2115
|
518
|
2116 if (r->main->count != 1) {
|
538
|
2117
|
|
2118 if (r->discard_body) {
|
|
2119 r->read_event_handler = ngx_http_discarded_request_body_handler;
|
|
2120
|
|
2121 if (r->lingering_time == 0) {
|
|
2122 r->lingering_time = ngx_time()
|
|
2123 + (time_t) (clcf->lingering_time / 1000);
|
|
2124 ngx_add_timer(r->connection->read, clcf->lingering_timeout);
|
|
2125 }
|
|
2126 }
|
|
2127
|
330
|
2128 ngx_http_close_request(r, 0);
|
138
|
2129 return;
|
|
2130 }
|
|
2131
|
0
|
2132 if (!ngx_terminate
|
|
2133 && !ngx_exiting
|
378
|
2134 && r->keepalive
|
0
|
2135 && clcf->keepalive_timeout > 0)
|
|
2136 {
|
|
2137 ngx_http_set_keepalive(r);
|
|
2138 return;
|
|
2139
|
|
2140 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
2141 ngx_http_set_lingering_close(r);
|
|
2142 return;
|
|
2143 }
|
|
2144
|
|
2145 ngx_http_close_request(r, 0);
|
|
2146 }
|
|
2147
|
|
2148
|
74
|
2149 static ngx_int_t
|
50
|
2150 ngx_http_set_write_handler(ngx_http_request_t *r)
|
0
|
2151 {
|
|
2152 ngx_event_t *wev;
|
|
2153 ngx_http_core_loc_conf_t *clcf;
|
|
2154
|
58
|
2155 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
2156
|
538
|
2157 r->read_event_handler = r->discard_body ?
|
|
2158 ngx_http_discarded_request_body_handler:
|
|
2159 ngx_http_test_reading;
|
74
|
2160 r->write_event_handler = ngx_http_writer;
|
|
2161
|
0
|
2162 wev = r->connection->write;
|
|
2163
|
|
2164 if (wev->ready && wev->delayed) {
|
74
|
2165 return NGX_OK;
|
0
|
2166 }
|
|
2167
|
58
|
2168 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
0
|
2169 if (!wev->delayed) {
|
|
2170 ngx_add_timer(wev, clcf->send_timeout);
|
|
2171 }
|
|
2172
|
430
|
2173 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
0
|
2174 ngx_http_close_request(r, 0);
|
74
|
2175 return NGX_ERROR;
|
0
|
2176 }
|
74
|
2177
|
|
2178 return NGX_OK;
|
0
|
2179 }
|
|
2180
|
|
2181
|
58
|
2182 static void
|
|
2183 ngx_http_writer(ngx_http_request_t *r)
|
0
|
2184 {
|
|
2185 int rc;
|
58
|
2186 ngx_event_t *wev;
|
0
|
2187 ngx_connection_t *c;
|
|
2188 ngx_http_core_loc_conf_t *clcf;
|
|
2189
|
58
|
2190 c = r->connection;
|
|
2191 wev = c->write;
|
|
2192
|
132
|
2193 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
2194 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
0
|
2195
|
426
|
2196 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
2197
|
0
|
2198 if (wev->timedout) {
|
|
2199 if (!wev->delayed) {
|
54
|
2200 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
2201 "client timed out");
|
|
2202 c->timedout = 1;
|
116
|
2203
|
162
|
2204 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
2205 return;
|
|
2206 }
|
|
2207
|
|
2208 wev->timedout = 0;
|
|
2209 wev->delayed = 0;
|
|
2210
|
|
2211 if (!wev->ready) {
|
|
2212 ngx_add_timer(wev, clcf->send_timeout);
|
|
2213
|
430
|
2214 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
118
|
2215 ngx_http_close_request(r, 0);
|
0
|
2216 }
|
|
2217
|
|
2218 return;
|
|
2219 }
|
|
2220
|
|
2221 } else {
|
518
|
2222 if (wev->delayed || r->aio) {
|
0
|
2223 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
2224 "http writer delayed");
|
|
2225
|
430
|
2226 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
118
|
2227 ngx_http_close_request(r, 0);
|
0
|
2228 }
|
|
2229
|
|
2230 return;
|
|
2231 }
|
|
2232 }
|
|
2233
|
132
|
2234 rc = ngx_http_output_filter(r, NULL);
|
|
2235
|
|
2236 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
2237 "http writer output filter: %d, \"%V?%V\"",
|
|
2238 rc, &r->uri, &r->args);
|
0
|
2239
|
494
|
2240 if (rc == NGX_ERROR) {
|
|
2241 ngx_http_finalize_request(r, rc);
|
|
2242 return;
|
|
2243 }
|
|
2244
|
426
|
2245 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
2246
|
0
|
2247 if (!wev->ready && !wev->delayed) {
|
|
2248 ngx_add_timer(wev, clcf->send_timeout);
|
|
2249 }
|
|
2250
|
430
|
2251 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
118
|
2252 ngx_http_close_request(r, 0);
|
0
|
2253 }
|
|
2254
|
426
|
2255 return;
|
0
|
2256 }
|
|
2257
|
132
|
2258 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
2259 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
0
|
2260
|
538
|
2261 r->write_event_handler = ngx_http_request_empty_handler;
|
|
2262
|
0
|
2263 ngx_http_finalize_request(r, rc);
|
|
2264 }
|
|
2265
|
|
2266
|
426
|
2267 static void
|
|
2268 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
2269 {
|
|
2270 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2271 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
2272
|
|
2273 ngx_http_finalize_request(r, 0);
|
|
2274 }
|
|
2275
|
|
2276
|
326
|
2277 void
|
|
2278 ngx_http_block_reading(ngx_http_request_t *r)
|
0
|
2279 {
|
318
|
2280 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
326
|
2281 "http reading blocked");
|
318
|
2282
|
|
2283 /* aio does not call this handler */
|
|
2284
|
|
2285 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
2286 && r->connection->read->active)
|
|
2287 {
|
430
|
2288 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
318
|
2289 ngx_http_close_request(r, 0);
|
|
2290 }
|
|
2291 }
|
|
2292 }
|
|
2293
|
|
2294
|
416
|
2295 void
|
326
|
2296 ngx_http_test_reading(ngx_http_request_t *r)
|
318
|
2297 {
|
276
|
2298 int n;
|
|
2299 char buf[1];
|
|
2300 ngx_err_t err;
|
|
2301 ngx_event_t *rev;
|
|
2302 ngx_connection_t *c;
|
|
2303
|
|
2304 c = r->connection;
|
|
2305 rev = c->read;
|
|
2306
|
326
|
2307 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
276
|
2308
|
|
2309 #if (NGX_HAVE_KQUEUE)
|
|
2310
|
|
2311 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
2312
|
|
2313 if (!rev->pending_eof) {
|
|
2314 return;
|
|
2315 }
|
|
2316
|
|
2317 rev->eof = 1;
|
|
2318 c->error = 1;
|
|
2319 err = rev->kq_errno;
|
|
2320
|
|
2321 goto closed;
|
|
2322 }
|
|
2323
|
|
2324 #endif
|
|
2325
|
|
2326 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
2327
|
|
2328 if (n == 0) {
|
|
2329 rev->eof = 1;
|
|
2330 c->error = 1;
|
|
2331 err = 0;
|
|
2332
|
|
2333 goto closed;
|
|
2334
|
|
2335 } else if (n == -1) {
|
|
2336 err = ngx_socket_errno;
|
|
2337
|
|
2338 if (err != NGX_EAGAIN) {
|
|
2339 rev->eof = 1;
|
|
2340 c->error = 1;
|
|
2341
|
|
2342 goto closed;
|
|
2343 }
|
|
2344 }
|
0
|
2345
|
|
2346 /* aio does not call this handler */
|
|
2347
|
276
|
2348 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
2349
|
430
|
2350 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
0
|
2351 ngx_http_close_request(r, 0);
|
|
2352 }
|
|
2353 }
|
276
|
2354
|
|
2355 return;
|
|
2356
|
|
2357 closed:
|
|
2358
|
|
2359 if (err) {
|
|
2360 rev->error = 1;
|
|
2361 }
|
|
2362
|
|
2363 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
2364 "client closed prematurely connection");
|
|
2365
|
286
|
2366 ngx_http_finalize_request(r, 0);
|
0
|
2367 }
|
|
2368
|
|
2369
|
50
|
2370 static void
|
|
2371 ngx_http_set_keepalive(ngx_http_request_t *r)
|
0
|
2372 {
|
2
|
2373 int tcp_nodelay;
|
0
|
2374 ngx_int_t i;
|
|
2375 ngx_buf_t *b, *f;
|
|
2376 ngx_event_t *rev, *wev;
|
|
2377 ngx_connection_t *c;
|
|
2378 ngx_http_connection_t *hc;
|
|
2379 ngx_http_core_srv_conf_t *cscf;
|
|
2380 ngx_http_core_loc_conf_t *clcf;
|
|
2381
|
|
2382 c = r->connection;
|
|
2383 rev = c->read;
|
|
2384
|
326
|
2385 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2386
|
0
|
2387 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
2388
|
326
|
2389 if (r->discard_body) {
|
442
|
2390 r->write_event_handler = ngx_http_request_empty_handler;
|
326
|
2391 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
2392 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
2393 return;
|
|
2394 }
|
|
2395
|
32
|
2396 c->log->action = "closing request";
|
0
|
2397
|
|
2398 hc = r->http_connection;
|
|
2399 b = r->header_in;
|
|
2400
|
|
2401 if (b->pos < b->last) {
|
|
2402
|
|
2403 /* the pipelined request */
|
|
2404
|
|
2405 if (b != c->buffer) {
|
|
2406
|
4
|
2407 /*
|
|
2408 * If the large header buffers were allocated while the previous
|
|
2409 * request processing then we do not use c->buffer for
|
|
2410 * the pipelined request (see ngx_http_init_request()).
|
126
|
2411 *
|
4
|
2412 * Now we would move the large header buffers to the free list.
|
|
2413 */
|
0
|
2414
|
|
2415 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
2416
|
|
2417 if (hc->free == NULL) {
|
|
2418 hc->free = ngx_palloc(c->pool,
|
|
2419 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
2420
|
|
2421 if (hc->free == NULL) {
|
26
|
2422 ngx_http_close_request(r, 0);
|
0
|
2423 return;
|
|
2424 }
|
|
2425 }
|
|
2426
|
|
2427 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
2428 f = hc->busy[i];
|
|
2429 hc->free[hc->nfree++] = f;
|
|
2430 f->pos = f->start;
|
|
2431 f->last = f->start;
|
|
2432 }
|
|
2433
|
|
2434 hc->busy[0] = b;
|
|
2435 hc->nbusy = 1;
|
|
2436 }
|
|
2437 }
|
|
2438
|
532
|
2439 r->keepalive = 0;
|
|
2440
|
518
|
2441 ngx_http_free_request(r, 0);
|
118
|
2442
|
0
|
2443 c->data = hc;
|
|
2444
|
|
2445 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
2446
|
430
|
2447 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
0
|
2448 ngx_http_close_connection(c);
|
|
2449 return;
|
|
2450 }
|
|
2451
|
|
2452 wev = c->write;
|
58
|
2453 wev->handler = ngx_http_empty_handler;
|
0
|
2454
|
|
2455 if (b->pos < b->last) {
|
|
2456
|
|
2457 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
2458
|
116
|
2459 #if (NGX_STAT_STUB)
|
502
|
2460 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
116
|
2461 #endif
|
|
2462
|
0
|
2463 hc->pipeline = 1;
|
32
|
2464 c->log->action = "reading client pipelined request line";
|
116
|
2465
|
376
|
2466 rev->handler = ngx_http_init_request;
|
|
2467 ngx_post_event(rev, &ngx_posted_events);
|
0
|
2468 return;
|
|
2469 }
|
|
2470
|
|
2471 hc->pipeline = 0;
|
|
2472
|
4
|
2473 /*
|
|
2474 * To keep a memory footprint as small as possible for an idle
|
|
2475 * keepalive connection we try to free the ngx_http_request_t and
|
|
2476 * c->buffer's memory if they were allocated outside the c->pool.
|
|
2477 * The large header buffers are always allocated outside the c->pool and
|
|
2478 * are freed too.
|
|
2479 */
|
|
2480
|
0
|
2481 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
2482 hc->request = NULL;
|
|
2483 }
|
|
2484
|
|
2485 b = c->buffer;
|
|
2486
|
|
2487 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
4
|
2488
|
|
2489 /*
|
|
2490 * the special note for ngx_http_keepalive_handler() that
|
|
2491 * c->buffer's memory was freed
|
|
2492 */
|
|
2493
|
0
|
2494 b->pos = NULL;
|
|
2495
|
|
2496 } else {
|
|
2497 b->pos = b->start;
|
|
2498 b->last = b->start;
|
|
2499 }
|
|
2500
|
10
|
2501 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
0
|
2502 hc->free, hc->nfree);
|
|
2503
|
|
2504 if (hc->free) {
|
|
2505 for (i = 0; i < hc->nfree; i++) {
|
356
|
2506 ngx_pfree(c->pool, hc->free[i]->start);
|
0
|
2507 hc->free[i] = NULL;
|
|
2508 }
|
|
2509
|
|
2510 hc->nfree = 0;
|
|
2511 }
|
|
2512
|
10
|
2513 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
0
|
2514 hc->busy, hc->nbusy);
|
|
2515
|
|
2516 if (hc->busy) {
|
|
2517 for (i = 0; i < hc->nbusy; i++) {
|
356
|
2518 ngx_pfree(c->pool, hc->busy[i]->start);
|
0
|
2519 hc->busy[i] = NULL;
|
|
2520 }
|
|
2521
|
|
2522 hc->nbusy = 0;
|
|
2523 }
|
|
2524
|
358
|
2525 #if (NGX_HTTP_SSL)
|
|
2526 if (c->ssl) {
|
|
2527 ngx_ssl_free_buffer(c);
|
|
2528 }
|
|
2529 #endif
|
|
2530
|
58
|
2531 rev->handler = ngx_http_keepalive_handler;
|
0
|
2532
|
132
|
2533 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
430
|
2534 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
132
|
2535 ngx_http_close_connection(c);
|
|
2536 return;
|
0
|
2537 }
|
|
2538 }
|
|
2539
|
32
|
2540 c->log->action = "keepalive";
|
0
|
2541
|
|
2542 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
50
|
2543 if (ngx_tcp_push(c->fd) == -1) {
|
0
|
2544 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
2545 ngx_http_close_connection(c);
|
|
2546 return;
|
|
2547 }
|
2
|
2548
|
0
|
2549 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
22
|
2550 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
2
|
2551
|
|
2552 } else {
|
22
|
2553 tcp_nodelay = 1;
|
|
2554 }
|
|
2555
|
32
|
2556 if (tcp_nodelay
|
|
2557 && clcf->tcp_nodelay
|
|
2558 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
2559 {
|
22
|
2560 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
2561
|
|
2562 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
184
|
2563 (const void *) &tcp_nodelay, sizeof(int))
|
|
2564 == -1)
|
22
|
2565 {
|
460
|
2566 #if (NGX_SOLARIS)
|
|
2567 /* Solaris returns EINVAL if a socket has been shut down */
|
|
2568 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
2569 #endif
|
|
2570
|
22
|
2571 ngx_connection_error(c, ngx_socket_errno,
|
|
2572 "setsockopt(TCP_NODELAY) failed");
|
460
|
2573
|
|
2574 c->log_error = NGX_ERROR_INFO;
|
22
|
2575 ngx_http_close_connection(c);
|
|
2576 return;
|
2
|
2577 }
|
22
|
2578
|
32
|
2579 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
0
|
2580 }
|
|
2581
|
|
2582 #if 0
|
4
|
2583 /* if ngx_http_request_t was freed then we need some other place */
|
0
|
2584 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
2585 #endif
|
|
2586
|
290
|
2587 c->idle = 1;
|
|
2588
|
0
|
2589 if (rev->ready) {
|
376
|
2590 ngx_post_event(rev, &ngx_posted_events);
|
0
|
2591 }
|
|
2592 }
|
|
2593
|
|
2594
|
50
|
2595 static void
|
|
2596 ngx_http_keepalive_handler(ngx_event_t *rev)
|
0
|
2597 {
|
50
|
2598 size_t size;
|
|
2599 ssize_t n;
|
|
2600 ngx_buf_t *b;
|
|
2601 ngx_connection_t *c;
|
0
|
2602
|
|
2603 c = rev->data;
|
|
2604
|
|
2605 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
2606
|
290
|
2607 if (rev->timedout || c->close) {
|
0
|
2608 ngx_http_close_connection(c);
|
|
2609 return;
|
|
2610 }
|
|
2611
|
18
|
2612 #if (NGX_HAVE_KQUEUE)
|
0
|
2613
|
4
|
2614 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
136
|
2615 if (rev->pending_eof) {
|
32
|
2616 c->log->handler = NULL;
|
0
|
2617 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
10
|
2618 "kevent() reported that client %V closed "
|
32
|
2619 "keepalive connection", &c->addr_text);
|
22
|
2620 #if (NGX_HTTP_SSL)
|
|
2621 if (c->ssl) {
|
96
|
2622 c->ssl->no_send_shutdown = 1;
|
22
|
2623 }
|
|
2624 #endif
|
0
|
2625 ngx_http_close_connection(c);
|
|
2626 return;
|
|
2627 }
|
|
2628 }
|
|
2629
|
|
2630 #endif
|
|
2631
|
|
2632 b = c->buffer;
|
|
2633 size = b->end - b->start;
|
|
2634
|
|
2635 if (b->pos == NULL) {
|
4
|
2636
|
|
2637 /*
|
|
2638 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
2639 * However, the c->buffer->start and c->buffer->end were not changed
|
|
2640 * to keep the buffer size.
|
|
2641 */
|
|
2642
|
50
|
2643 b->pos = ngx_palloc(c->pool, size);
|
|
2644 if (b->pos == NULL) {
|
0
|
2645 ngx_http_close_connection(c);
|
|
2646 return;
|
|
2647 }
|
|
2648
|
|
2649 b->start = b->pos;
|
|
2650 b->last = b->pos;
|
|
2651 b->end = b->pos + size;
|
|
2652 }
|
|
2653
|
|
2654 /*
|
|
2655 * MSIE closes a keepalive connection with RST flag
|
|
2656 * so we ignore ECONNRESET here.
|
|
2657 */
|
|
2658
|
|
2659 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
2660 ngx_set_socket_errno(0);
|
|
2661
|
|
2662 n = c->recv(c, b->last, size);
|
|
2663 c->log_error = NGX_ERROR_INFO;
|
|
2664
|
|
2665 if (n == NGX_AGAIN) {
|
430
|
2666 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
24
|
2667 ngx_http_close_connection(c);
|
|
2668 }
|
|
2669
|
0
|
2670 return;
|
|
2671 }
|
|
2672
|
|
2673 if (n == NGX_ERROR) {
|
|
2674 ngx_http_close_connection(c);
|
|
2675 return;
|
|
2676 }
|
|
2677
|
32
|
2678 c->log->handler = NULL;
|
0
|
2679
|
|
2680 if (n == 0) {
|
|
2681 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
32
|
2682 "client %V closed keepalive connection", &c->addr_text);
|
0
|
2683 ngx_http_close_connection(c);
|
|
2684 return;
|
|
2685 }
|
|
2686
|
|
2687 b->last += n;
|
32
|
2688
|
116
|
2689 #if (NGX_STAT_STUB)
|
502
|
2690 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
116
|
2691 #endif
|
|
2692
|
32
|
2693 c->log->handler = ngx_http_log_error;
|
|
2694 c->log->action = "reading client request line";
|
0
|
2695
|
290
|
2696 c->idle = 0;
|
|
2697
|
0
|
2698 ngx_http_init_request(rev);
|
|
2699 }
|
|
2700
|
|
2701
|
50
|
2702 static void
|
|
2703 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
126
|
2704 {
|
0
|
2705 ngx_event_t *rev, *wev;
|
|
2706 ngx_connection_t *c;
|
|
2707 ngx_http_core_loc_conf_t *clcf;
|
|
2708
|
|
2709 c = r->connection;
|
|
2710
|
|
2711 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2712
|
|
2713 rev = c->read;
|
58
|
2714 rev->handler = ngx_http_lingering_close_handler;
|
0
|
2715
|
106
|
2716 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
0
|
2717 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
2718
|
430
|
2719 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
0
|
2720 ngx_http_close_request(r, 0);
|
|
2721 return;
|
|
2722 }
|
|
2723
|
|
2724 wev = c->write;
|
58
|
2725 wev->handler = ngx_http_empty_handler;
|
0
|
2726
|
132
|
2727 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
430
|
2728 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
132
|
2729 ngx_http_close_request(r, 0);
|
|
2730 return;
|
0
|
2731 }
|
|
2732 }
|
|
2733
|
|
2734 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
2735 ngx_connection_error(c, ngx_socket_errno,
|
|
2736 ngx_shutdown_socket_n " failed");
|
|
2737 ngx_http_close_request(r, 0);
|
|
2738 return;
|
|
2739 }
|
|
2740
|
|
2741 if (rev->ready) {
|
|
2742 ngx_http_lingering_close_handler(rev);
|
|
2743 }
|
|
2744 }
|
|
2745
|
|
2746
|
50
|
2747 static void
|
|
2748 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
0
|
2749 {
|
|
2750 ssize_t n;
|
|
2751 ngx_msec_t timer;
|
|
2752 ngx_connection_t *c;
|
|
2753 ngx_http_request_t *r;
|
|
2754 ngx_http_core_loc_conf_t *clcf;
|
|
2755 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
2756
|
|
2757 c = rev->data;
|
|
2758 r = c->data;
|
|
2759
|
|
2760 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
2761 "http lingering close handler");
|
|
2762
|
|
2763 if (rev->timedout) {
|
126
|
2764 c->timedout = 1;
|
0
|
2765 ngx_http_close_request(r, 0);
|
|
2766 return;
|
|
2767 }
|
|
2768
|
346
|
2769 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
0
|
2770 if (timer <= 0) {
|
|
2771 ngx_http_close_request(r, 0);
|
|
2772 return;
|
|
2773 }
|
|
2774
|
|
2775 do {
|
|
2776 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
2777
|
|
2778 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
2779
|
|
2780 if (n == NGX_ERROR || n == 0) {
|
|
2781 ngx_http_close_request(r, 0);
|
|
2782 return;
|
|
2783 }
|
|
2784
|
|
2785 } while (rev->ready);
|
|
2786
|
430
|
2787 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
26
|
2788 ngx_http_close_request(r, 0);
|
24
|
2789 return;
|
|
2790 }
|
|
2791
|
0
|
2792 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2793
|
|
2794 timer *= 1000;
|
|
2795
|
|
2796 if (timer > clcf->lingering_timeout) {
|
|
2797 timer = clcf->lingering_timeout;
|
|
2798 }
|
|
2799
|
|
2800 ngx_add_timer(rev, timer);
|
|
2801 }
|
|
2802
|
|
2803
|
50
|
2804 void
|
|
2805 ngx_http_empty_handler(ngx_event_t *wev)
|
0
|
2806 {
|
|
2807 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
2808
|
|
2809 return;
|
|
2810 }
|
|
2811
|
|
2812
|
58
|
2813 void
|
|
2814 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
2815 {
|
|
2816 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
132
|
2817 "http request empty handler");
|
58
|
2818
|
|
2819 return;
|
|
2820 }
|
|
2821
|
|
2822
|
50
|
2823 ngx_int_t
|
130
|
2824 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
0
|
2825 {
|
|
2826 ngx_buf_t *b;
|
|
2827 ngx_chain_t out;
|
|
2828
|
50
|
2829 b = ngx_calloc_buf(r->pool);
|
|
2830 if (b == NULL) {
|
0
|
2831 return NGX_ERROR;
|
|
2832 }
|
|
2833
|
130
|
2834 if (flags & NGX_HTTP_LAST) {
|
506
|
2835
|
|
2836 if (r == r->main && !r->post_action) {
|
|
2837 b->last_buf = 1;
|
|
2838
|
|
2839 } else {
|
510
|
2840 b->sync = 1;
|
506
|
2841 b->last_in_chain = 1;
|
|
2842 }
|
130
|
2843 }
|
|
2844
|
|
2845 if (flags & NGX_HTTP_FLUSH) {
|
|
2846 b->flush = 1;
|
|
2847 }
|
|
2848
|
0
|
2849 out.buf = b;
|
|
2850 out.next = NULL;
|
|
2851
|
|
2852 return ngx_http_output_filter(r, &out);
|
|
2853 }
|
|
2854
|
|
2855
|
162
|
2856 static ngx_int_t
|
|
2857 ngx_http_post_action(ngx_http_request_t *r)
|
|
2858 {
|
|
2859 ngx_http_core_loc_conf_t *clcf;
|
|
2860
|
|
2861 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2862
|
|
2863 if (clcf->post_action.data == NULL) {
|
|
2864 return NGX_DECLINED;
|
|
2865 }
|
|
2866
|
172
|
2867 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2868 "post action: \"%V\"", &clcf->post_action);
|
|
2869
|
528
|
2870 r->main->count--;
|
|
2871
|
162
|
2872 r->http_version = NGX_HTTP_VERSION_9;
|
|
2873 r->header_only = 1;
|
178
|
2874 r->post_action = 1;
|
162
|
2875
|
326
|
2876 r->read_event_handler = ngx_http_block_reading;
|
262
|
2877
|
366
|
2878 if (clcf->post_action.data[0] == '/') {
|
|
2879 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
2880
|
|
2881 } else {
|
|
2882 ngx_http_named_location(r, &clcf->post_action);
|
|
2883 }
|
162
|
2884
|
|
2885 return NGX_OK;
|
|
2886 }
|
|
2887
|
|
2888
|
|
2889 static void
|
518
|
2890 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t rc)
|
0
|
2891 {
|
188
|
2892 ngx_connection_t *c;
|
118
|
2893
|
518
|
2894 r = r->main;
|
118
|
2895 c = r->connection;
|
188
|
2896
|
518
|
2897 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
2898 "http request count:%d blk:%d", r->count, r->blocked);
|
|
2899
|
|
2900 if (r->count == 0) {
|
|
2901 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "http request count is zero");
|
|
2902 }
|
|
2903
|
|
2904 r->count--;
|
|
2905
|
|
2906 if (r->count || r->blocked) {
|
|
2907 return;
|
|
2908 }
|
|
2909
|
|
2910 ngx_http_free_request(r, rc);
|
118
|
2911 ngx_http_close_connection(c);
|
|
2912 }
|
|
2913
|
|
2914
|
162
|
2915 static void
|
518
|
2916 ngx_http_free_request(ngx_http_request_t *r, ngx_int_t rc)
|
118
|
2917 {
|
412
|
2918 ngx_log_t *log;
|
|
2919 struct linger linger;
|
|
2920 ngx_http_cleanup_t *cln;
|
|
2921 ngx_http_log_ctx_t *ctx;
|
|
2922 ngx_http_core_loc_conf_t *clcf;
|
0
|
2923
|
|
2924 log = r->connection->log;
|
|
2925
|
|
2926 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
2927
|
|
2928 if (r->pool == NULL) {
|
80
|
2929 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
0
|
2930 return;
|
|
2931 }
|
|
2932
|
188
|
2933 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
2934 if (cln->handler) {
|
|
2935 cln->handler(cln->data);
|
|
2936 }
|
|
2937 }
|
|
2938
|
0
|
2939 #if (NGX_STAT_STUB)
|
116
|
2940
|
0
|
2941 if (r->stat_reading) {
|
502
|
2942 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
0
|
2943 }
|
|
2944
|
|
2945 if (r->stat_writing) {
|
502
|
2946 (void) ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
0
|
2947 }
|
116
|
2948
|
0
|
2949 #endif
|
|
2950
|
518
|
2951 if (rc > 0 && (r->headers_out.status == 0 || r->connection->sent == 0)) {
|
|
2952 r->headers_out.status = rc;
|
0
|
2953 }
|
|
2954
|
386
|
2955 log->action = "logging request";
|
|
2956
|
412
|
2957 ngx_http_log_request(r);
|
0
|
2958
|
386
|
2959 log->action = "closing request";
|
|
2960
|
0
|
2961 if (r->connection->timedout) {
|
|
2962 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2963
|
|
2964 if (clcf->reset_timedout_connection) {
|
58
|
2965 linger.l_onoff = 1;
|
|
2966 linger.l_linger = 0;
|
0
|
2967
|
|
2968 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
58
|
2969 (const void *) &linger, sizeof(struct linger)) == -1)
|
0
|
2970 {
|
|
2971 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
2972 "setsockopt(SO_LINGER) failed");
|
|
2973 }
|
|
2974 }
|
|
2975 }
|
|
2976
|
58
|
2977 /* the various request strings were allocated from r->pool */
|
0
|
2978 ctx = log->data;
|
10
|
2979 ctx->request = NULL;
|
0
|
2980
|
|
2981 r->request_line.len = 0;
|
|
2982
|
132
|
2983 r->connection->destroyed = 1;
|
|
2984
|
0
|
2985 ngx_destroy_pool(r->pool);
|
|
2986 }
|
|
2987
|
|
2988
|
80
|
2989 static void
|
412
|
2990 ngx_http_log_request(ngx_http_request_t *r)
|
|
2991 {
|
|
2992 ngx_uint_t i, n;
|
|
2993 ngx_http_handler_pt *log_handler;
|
|
2994 ngx_http_core_main_conf_t *cmcf;
|
|
2995
|
|
2996 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
2997
|
|
2998 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
2999 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
3000
|
|
3001 for (i = 0; i < n; i++) {
|
|
3002 log_handler[i](r);
|
|
3003 }
|
|
3004 }
|
|
3005
|
|
3006
|
|
3007 static void
|
50
|
3008 ngx_http_close_connection(ngx_connection_t *c)
|
0
|
3009 {
|
28
|
3010 ngx_pool_t *pool;
|
|
3011
|
0
|
3012 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
3013 "close http connection: %d", c->fd);
|
|
3014
|
88
|
3015 #if (NGX_HTTP_SSL)
|
2
|
3016
|
|
3017 if (c->ssl) {
|
|
3018 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
126
|
3019 c->ssl->handler = ngx_http_close_connection;
|
2
|
3020 return;
|
|
3021 }
|
|
3022 }
|
|
3023
|
|
3024 #endif
|
|
3025
|
0
|
3026 #if (NGX_STAT_STUB)
|
502
|
3027 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
|
0
|
3028 #endif
|
|
3029
|
132
|
3030 c->destroyed = 1;
|
|
3031
|
28
|
3032 pool = c->pool;
|
|
3033
|
0
|
3034 ngx_close_connection(c);
|
28
|
3035
|
50
|
3036 ngx_destroy_pool(pool);
|
0
|
3037 }
|
|
3038
|
|
3039
|
50
|
3040 static u_char *
|
|
3041 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
0
|
3042 {
|
32
|
3043 u_char *p;
|
54
|
3044 ngx_http_request_t *r;
|
32
|
3045 ngx_http_log_ctx_t *ctx;
|
10
|
3046
|
32
|
3047 if (log->action) {
|
58
|
3048 p = ngx_snprintf(buf, len, " while %s", log->action);
|
10
|
3049 len -= p - buf;
|
54
|
3050 buf = p;
|
10
|
3051 }
|
|
3052
|
58
|
3053 ctx = log->data;
|
|
3054
|
362
|
3055 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
58
|
3056 len -= p - buf;
|
54
|
3057
|
|
3058 r = ctx->request;
|
|
3059
|
58
|
3060 if (r) {
|
214
|
3061 return r->log_handler(r, ctx->current_request, p, len);
|
362
|
3062
|
|
3063 } else {
|
|
3064 p = ngx_snprintf(p, len, ", server: %V",
|
|
3065 &ctx->connection->listening->addr_text);
|
0
|
3066 }
|
10
|
3067
|
58
|
3068 return p;
|
|
3069 }
|
|
3070
|
|
3071
|
|
3072 static u_char *
|
214
|
3073 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
3074 u_char *buf, size_t len)
|
58
|
3075 {
|
362
|
3076 char *uri_separator;
|
|
3077 u_char *p;
|
|
3078 ngx_http_upstream_t *u;
|
|
3079 ngx_http_core_srv_conf_t *cscf;
|
|
3080
|
|
3081 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
3082
|
|
3083 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
3084 len -= p - buf;
|
|
3085 buf = p;
|
52
|
3086
|
348
|
3087 if (r->request_line.data == NULL && r->request_start) {
|
|
3088 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
3089 if (*p == CR || *p == LF) {
|
|
3090 break;
|
|
3091 }
|
|
3092 }
|
|
3093
|
|
3094 r->request_line.len = p - r->request_start;
|
|
3095 r->request_line.data = r->request_start;
|
|
3096 }
|
|
3097
|
|
3098 if (r->request_line.len) {
|
|
3099 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
54
|
3100 len -= p - buf;
|
|
3101 buf = p;
|
10
|
3102 }
|
|
3103
|
214
|
3104 if (r != sr) {
|
|
3105 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
3106 len -= p - buf;
|
|
3107 buf = p;
|
|
3108 }
|
|
3109
|
|
3110 u = sr->upstream;
|
|
3111
|
260
|
3112 if (u && u->peer.name) {
|
|
3113
|
|
3114 uri_separator = "";
|
|
3115
|
|
3116 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
3117 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
3118 uri_separator = ":";
|
|
3119 }
|
|
3120 #endif
|
214
|
3121
|
|
3122 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
348
|
3123 &u->schema, u->peer.name,
|
260
|
3124 uri_separator, &u->uri);
|
214
|
3125 len -= p - buf;
|
|
3126 buf = p;
|
|
3127 }
|
|
3128
|
54
|
3129 if (r->headers_in.host) {
|
|
3130 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
3131 &r->headers_in.host->value);
|
|
3132 len -= p - buf;
|
|
3133 buf = p;
|
|
3134 }
|
|
3135
|
|
3136 if (r->headers_in.referer) {
|
|
3137 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
3138 &r->headers_in.referer->value);
|
|
3139 buf = p;
|
|
3140 }
|
|
3141
|
|
3142 return buf;
|
|
3143 }
|