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