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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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378
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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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378
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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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380
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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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0
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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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388
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256 c->requests++;
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257
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0
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258 hc = c->data;
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259
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116
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260 if (hc == NULL) {
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50
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261 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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262 if (hc == NULL) {
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0
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263 ngx_http_close_connection(c);
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264 return;
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265 }
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266 }
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267
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268 r = hc->request;
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269
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270 if (r) {
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271 ngx_memzero(r, sizeof(ngx_http_request_t));
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272
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273 r->pipeline = hc->pipeline;
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274
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275 if (hc->nbusy) {
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276 r->header_in = hc->busy[0];
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277 }
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278
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279 } else {
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50
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280 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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281 if (r == NULL) {
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0
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282 ngx_http_close_connection(c);
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283 return;
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284 }
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285
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286 hc->request = r;
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287 }
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288
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289 c->data = r;
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290 r->http_connection = hc;
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291
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292 c->sent = 0;
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293 r->signature = NGX_HTTP_MODULE;
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294
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295 /* find the server configuration for the address:port */
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296
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297 /* AF_INET only */
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298
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190
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299 hip = c->listening->servers;
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142
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300 hia = hip->addrs;
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301
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302 r->port = hip->port;
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303 r->port_text = &hip->port_text;
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0
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304
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305 i = 0;
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306
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362
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307 r->connection = c;
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308
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142
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309 if (hip->naddrs > 1) {
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0
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310
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311 /*
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312 * There are several addresses on this port and one of them
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313 * is the "*:port" wildcard so getsockname() is needed to determine
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314 * the server address.
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315 *
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362
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316 * AcceptEx() already has given this address.
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0
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317 */
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318
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10
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319 #if (NGX_WIN32)
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0
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320 if (c->local_sockaddr) {
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321 r->in_addr =
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322 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr;
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323
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28
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324 } else
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0
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325 #endif
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28
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326 {
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362
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327 if (ngx_http_server_addr(r, NULL) != NGX_OK) {
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0
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328 ngx_http_close_connection(c);
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329 return;
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330 }
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331 }
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332
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190
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333 /* the last address is "*" */
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0
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334
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142
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335 for ( /* void */ ; i < hip->naddrs - 1; i++) {
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336 if (hia[i].addr == r->in_addr) {
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0
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337 break;
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338 }
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339 }
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340
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341 } else {
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142
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342 r->in_addr = hia[0].addr;
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0
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343 }
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344
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142
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345 r->virtual_names = hia[i].virtual_names;
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0
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346
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347 /* the default server configuration for the address:port */
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142
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348 cscf = hia[i].core_srv_conf;
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0
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349
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350 r->main_conf = cscf->ctx->main_conf;
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351 r->srv_conf = cscf->ctx->srv_conf;
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352 r->loc_conf = cscf->ctx->loc_conf;
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353
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58
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354 rev->handler = ngx_http_process_request_line;
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0
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355
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356 #if (NGX_HTTP_SSL)
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357
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356
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358 {
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359 ngx_http_ssl_srv_conf_t *sscf;
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360
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0
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361 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
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362 if (sscf->enable) {
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363
|
|
|
364 if (c->ssl == NULL) {
|
|
96
|
365 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
|
56
|
366 == NGX_ERROR)
|
|
0
|
367 {
|
|
|
368 ngx_http_close_connection(c);
|
|
|
369 return;
|
|
|
370 }
|
|
|
371
|
|
58
|
372 rev->handler = ngx_http_ssl_handshake;
|
|
0
|
373 }
|
|
|
374
|
|
62
|
375 r->main_filter_need_in_memory = 1;
|
|
0
|
376 }
|
|
356
|
377 }
|
|
0
|
378
|
|
|
379 #endif
|
|
|
380
|
|
|
381 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
382 c->log->file = clcf->err_log->file;
|
|
|
383 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
384 c->log->log_level = clcf->err_log->log_level;
|
|
|
385 }
|
|
|
386
|
|
|
387 if (c->buffer == NULL) {
|
|
|
388 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
389 cscf->client_header_buffer_size);
|
|
|
390 if (c->buffer == NULL) {
|
|
|
391 ngx_http_close_connection(c);
|
|
|
392 return;
|
|
|
393 }
|
|
|
394 }
|
|
|
395
|
|
|
396 if (r->header_in == NULL) {
|
|
|
397 r->header_in = c->buffer;
|
|
|
398 }
|
|
|
399
|
|
50
|
400 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
401 if (r->pool == NULL) {
|
|
0
|
402 ngx_http_close_connection(c);
|
|
|
403 return;
|
|
|
404 }
|
|
|
405
|
|
|
406
|
|
|
407 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
408 sizeof(ngx_table_elt_t))
|
|
|
409 == NGX_ERROR)
|
|
0
|
410 {
|
|
|
411 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
412 return;
|
|
|
413 }
|
|
|
414
|
|
|
415 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
416 if (r->ctx == NULL) {
|
|
|
417 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
418 return;
|
|
|
419 }
|
|
|
420
|
|
122
|
421 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
422
|
|
|
423 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
424 * sizeof(ngx_http_variable_value_t));
|
|
|
425 if (r->variables == NULL) {
|
|
|
426 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
427 return;
|
|
|
428 }
|
|
|
429
|
|
0
|
430 c->single_connection = 1;
|
|
132
|
431 c->destroyed = 0;
|
|
|
432
|
|
102
|
433 r->main = r;
|
|
|
434
|
|
298
|
435 tp = ngx_timeofday();
|
|
|
436 r->start_sec = tp->sec;
|
|
|
437 r->start_msec = tp->msec;
|
|
46
|
438
|
|
180
|
439 r->method = NGX_HTTP_UNKNOWN;
|
|
|
440
|
|
0
|
441 r->headers_in.content_length_n = -1;
|
|
|
442 r->headers_in.keep_alive_n = -1;
|
|
|
443 r->headers_out.content_length_n = -1;
|
|
|
444 r->headers_out.last_modified_time = -1;
|
|
|
445
|
|
226
|
446 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
447 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
448
|
|
0
|
449 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
450
|
|
54
|
451 ctx = c->log->data;
|
|
|
452 ctx->request = r;
|
|
214
|
453 ctx->current_request = r;
|
|
58
|
454 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
455
|
|
0
|
456 #if (NGX_STAT_STUB)
|
|
110
|
457 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
458 r->stat_reading = 1;
|
|
110
|
459 ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
460 #endif
|
|
|
461
|
|
58
|
462 rev->handler(rev);
|
|
0
|
463 }
|
|
|
464
|
|
|
465
|
|
|
466 #if (NGX_HTTP_SSL)
|
|
|
467
|
|
50
|
468 static void
|
|
|
469 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
470 {
|
|
10
|
471 u_char buf[1];
|
|
|
472 ssize_t n;
|
|
0
|
473 ngx_int_t rc;
|
|
|
474 ngx_connection_t *c;
|
|
|
475 ngx_http_request_t *r;
|
|
|
476
|
|
|
477 c = rev->data;
|
|
|
478 r = c->data;
|
|
|
479
|
|
|
480 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
481 "http check ssl handshake");
|
|
|
482
|
|
|
483 if (rev->timedout) {
|
|
54
|
484 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
485 c->timedout = 1;
|
|
|
486 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
487 return;
|
|
|
488 }
|
|
|
489
|
|
132
|
490 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
491
|
|
|
492 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
493
|
|
|
494 if (!rev->timer_set) {
|
|
|
495 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
496 }
|
|
|
497
|
|
|
498 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
499 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
500 }
|
|
|
501
|
|
0
|
502 return;
|
|
|
503 }
|
|
|
504
|
|
|
505 if (n == 1) {
|
|
|
506 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
507 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
508 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
509
|
|
|
510 rc = ngx_ssl_handshake(c);
|
|
|
511
|
|
96
|
512 if (rc == NGX_AGAIN) {
|
|
362
|
513
|
|
|
514 if (!rev->timer_set) {
|
|
|
515 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
516 }
|
|
|
517
|
|
96
|
518 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
519 return;
|
|
|
520 }
|
|
|
521
|
|
96
|
522 ngx_http_ssl_handshake_handler(c);
|
|
|
523
|
|
|
524 return;
|
|
0
|
525
|
|
|
526 } else {
|
|
|
527 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
528 "plain http");
|
|
|
529
|
|
|
530 r->plain_http = 1;
|
|
|
531 }
|
|
|
532 }
|
|
|
533
|
|
58
|
534 rev->handler = ngx_http_process_request_line;
|
|
0
|
535 ngx_http_process_request_line(rev);
|
|
|
536 }
|
|
|
537
|
|
96
|
538
|
|
|
539 static void
|
|
|
540 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
541 {
|
|
|
542 ngx_http_request_t *r;
|
|
|
543
|
|
|
544 if (c->ssl->handshaked) {
|
|
|
545
|
|
|
546 /*
|
|
|
547 * The majority of browsers do not send the "close notify" alert.
|
|
|
548 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
549 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
550 *
|
|
|
551 * Opera and recent Mozilla send the alert.
|
|
|
552 */
|
|
|
553
|
|
|
554 c->ssl->no_wait_shutdown = 1;
|
|
|
555
|
|
|
556 c->read->handler = ngx_http_process_request_line;
|
|
|
557 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
558
|
|
|
559 ngx_http_process_request_line(c->read);
|
|
|
560
|
|
|
561 return;
|
|
|
562 }
|
|
|
563
|
|
|
564 r = c->data;
|
|
|
565
|
|
|
566 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
567
|
|
|
568 return;
|
|
|
569 }
|
|
|
570
|
|
306
|
571 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
572
|
|
|
573 int
|
|
|
574 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
575 {
|
|
|
576 const char *servername;
|
|
|
577 ngx_connection_t *c;
|
|
|
578 ngx_http_request_t *r;
|
|
|
579 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
580
|
|
|
581 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
582
|
|
|
583 if (servername == NULL) {
|
|
|
584 return SSL_TLSEXT_ERR_NOACK;
|
|
|
585 }
|
|
|
586
|
|
|
587 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
588
|
|
|
589 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
590 "SSL server name: \"%s\"", servername);
|
|
|
591
|
|
|
592 r = c->data;
|
|
|
593
|
|
376
|
594 if (ngx_http_find_virtual_server(r, (u_char *) servername,
|
|
|
595 ngx_strlen(servername))
|
|
|
596 != NGX_OK)
|
|
|
597 {
|
|
306
|
598 return SSL_TLSEXT_ERR_NOACK;
|
|
|
599 }
|
|
|
600
|
|
|
601 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
602
|
|
|
603 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
604
|
|
|
605 return SSL_TLSEXT_ERR_OK;
|
|
|
606 }
|
|
|
607
|
|
|
608 #endif
|
|
96
|
609
|
|
0
|
610 #endif
|
|
|
611
|
|
|
612
|
|
50
|
613 static void
|
|
|
614 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
615 {
|
|
342
|
616 ssize_t n;
|
|
|
617 ngx_int_t rc, rv;
|
|
|
618 ngx_connection_t *c;
|
|
|
619 ngx_http_request_t *r;
|
|
|
620 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
621
|
|
|
622 c = rev->data;
|
|
|
623 r = c->data;
|
|
|
624
|
|
|
625 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
626 "http process request line");
|
|
|
627
|
|
|
628 if (rev->timedout) {
|
|
54
|
629 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
630 c->timedout = 1;
|
|
|
631 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
632 return;
|
|
|
633 }
|
|
|
634
|
|
|
635 rc = NGX_AGAIN;
|
|
|
636
|
|
|
637 for ( ;; ) {
|
|
|
638
|
|
|
639 if (rc == NGX_AGAIN) {
|
|
|
640 n = ngx_http_read_request_header(r);
|
|
|
641
|
|
|
642 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
643 return;
|
|
|
644 }
|
|
|
645 }
|
|
|
646
|
|
|
647 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
648
|
|
|
649 if (rc == NGX_OK) {
|
|
|
650
|
|
|
651 /* the request line has been parsed successfully */
|
|
|
652
|
|
10
|
653 r->request_line.len = r->request_end - r->request_start;
|
|
|
654 r->request_line.data = r->request_start;
|
|
384
|
655 *r->request_end = '\0';
|
|
10
|
656
|
|
0
|
657
|
|
|
658 if (r->args_start) {
|
|
|
659 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
660 } else {
|
|
|
661 r->uri.len = r->uri_end - r->uri_start;
|
|
|
662 }
|
|
|
663
|
|
18
|
664
|
|
2
|
665 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
666
|
|
50
|
667 r->uri.data = ngx_palloc(r->pool, r->uri.len + 1);
|
|
|
668 if (r->uri.data == NULL) {
|
|
10
|
669 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
670 return;
|
|
|
671 }
|
|
|
672
|
|
342
|
673 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
674
|
|
|
675 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
676
|
|
54
|
677 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
678 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
679 "client sent invalid request");
|
|
|
680 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
681 return;
|
|
|
682 }
|
|
|
683
|
|
|
684 } else {
|
|
10
|
685 r->uri.data = r->uri_start;
|
|
0
|
686 }
|
|
|
687
|
|
18
|
688
|
|
10
|
689 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
690 r->unparsed_uri.data = r->uri_start;
|
|
|
691
|
|
0
|
692
|
|
58
|
693 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
694 r->method_name.data = r->request_line.data;
|
|
0
|
695
|
|
10
|
696
|
|
28
|
697 if (r->http_protocol.data) {
|
|
|
698 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
699 }
|
|
|
700
|
|
|
701
|
|
0
|
702 if (r->uri_ext) {
|
|
|
703 if (r->args_start) {
|
|
|
704 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
705 } else {
|
|
|
706 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
707 }
|
|
|
708
|
|
10
|
709 r->exten.data = r->uri_ext;
|
|
0
|
710 }
|
|
|
711
|
|
10
|
712
|
|
0
|
713 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
714 r->args.len = r->uri_end - r->args_start;
|
|
10
|
715 r->args.data = r->args_start;
|
|
0
|
716 }
|
|
|
717
|
|
10
|
718
|
|
|
719 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
720 "http request line: \"%V\"", &r->request_line);
|
|
|
721
|
|
0
|
722 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
723 "http uri: \"%V\"", &r->uri);
|
|
0
|
724
|
|
|
725 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
726 "http args: \"%V\"", &r->args);
|
|
0
|
727
|
|
|
728 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
729 "http exten: \"%V\"", &r->exten);
|
|
|
730
|
|
376
|
731 if (r->host_start && r->host_end) {
|
|
|
732 n = ngx_http_validate_host(r->host_start,
|
|
|
733 r->host_end - r->host_start);
|
|
|
734
|
|
|
735 if (n <= 0) {
|
|
|
736 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
737 "client sent invalid host in request line");
|
|
|
738 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
739 return;
|
|
|
740 }
|
|
|
741
|
|
|
742 r->headers_in.server.len = n;
|
|
|
743 r->headers_in.server.data = r->host_start;
|
|
|
744 }
|
|
|
745
|
|
0
|
746 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
747
|
|
|
748 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
749 r->headers_in.server.len)
|
|
|
750 == NGX_ERROR)
|
|
|
751 {
|
|
|
752 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
753 return;
|
|
|
754 }
|
|
|
755
|
|
308
|
756 ngx_http_process_request(r);
|
|
0
|
757 return;
|
|
|
758 }
|
|
|
759
|
|
|
760
|
|
|
761 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
762 sizeof(ngx_table_elt_t))
|
|
|
763 == NGX_ERROR)
|
|
0
|
764 {
|
|
|
765 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
766 return;
|
|
|
767 }
|
|
|
768
|
|
|
769
|
|
48
|
770 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
771 sizeof(ngx_table_elt_t *))
|
|
|
772 == NGX_ERROR)
|
|
0
|
773 {
|
|
|
774 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
775 return;
|
|
|
776 }
|
|
|
777
|
|
32
|
778 c->log->action = "reading client request headers";
|
|
0
|
779
|
|
58
|
780 rev->handler = ngx_http_process_request_headers;
|
|
0
|
781 ngx_http_process_request_headers(rev);
|
|
|
782
|
|
|
783 return;
|
|
54
|
784 }
|
|
|
785
|
|
|
786 if (rc != NGX_AGAIN) {
|
|
0
|
787
|
|
|
788 /* there was error while a request line parsing */
|
|
|
789
|
|
54
|
790 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
791 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
792 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
793 return;
|
|
|
794 }
|
|
|
795
|
|
|
796 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
797
|
|
|
798 if (r->header_in->pos == r->header_in->end) {
|
|
|
799
|
|
|
800 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
801
|
|
|
802 if (rv == NGX_ERROR) {
|
|
|
803 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
804 return;
|
|
|
805 }
|
|
|
806
|
|
|
807 if (rv == NGX_DECLINED) {
|
|
54
|
808 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
809 r->request_line.data = r->request_start;
|
|
|
810
|
|
|
811 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
812 "client sent too long URI");
|
|
|
813 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
814 return;
|
|
|
815 }
|
|
|
816 }
|
|
|
817 }
|
|
|
818 }
|
|
|
819
|
|
|
820
|
|
50
|
821 static void
|
|
|
822 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
823 {
|
|
56
|
824 ssize_t n;
|
|
|
825 ngx_int_t rc, rv;
|
|
|
826 ngx_str_t header;
|
|
198
|
827 ngx_uint_t i;
|
|
58
|
828 ngx_table_elt_t *h;
|
|
56
|
829 ngx_connection_t *c;
|
|
|
830 ngx_http_header_t *hh;
|
|
|
831 ngx_http_request_t *r;
|
|
60
|
832 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
833 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
834
|
|
|
835 c = rev->data;
|
|
|
836 r = c->data;
|
|
|
837
|
|
|
838 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
839 "http process request header line");
|
|
|
840
|
|
|
841 if (rev->timedout) {
|
|
54
|
842 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
843 c->timedout = 1;
|
|
|
844 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
845 return;
|
|
|
846 }
|
|
|
847
|
|
56
|
848 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
849 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
850
|
|
0
|
851 rc = NGX_AGAIN;
|
|
|
852
|
|
|
853 for ( ;; ) {
|
|
|
854
|
|
|
855 if (rc == NGX_AGAIN) {
|
|
|
856
|
|
|
857 if (r->header_in->pos == r->header_in->end) {
|
|
|
858
|
|
|
859 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
860
|
|
|
861 if (rv == NGX_ERROR) {
|
|
|
862 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
863 return;
|
|
|
864 }
|
|
|
865
|
|
|
866 if (rv == NGX_DECLINED) {
|
|
54
|
867 header.len = r->header_in->end - r->header_name_start;
|
|
|
868 header.data = r->header_name_start;
|
|
80
|
869
|
|
|
870 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
871 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
872 header.data[header.len++] = '.';
|
|
|
873 header.data[header.len++] = '.';
|
|
|
874 header.data[header.len++] = '.';
|
|
|
875 }
|
|
|
876
|
|
54
|
877 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
878 "client sent too long header line: \"%V\"",
|
|
|
879 &header);
|
|
330
|
880 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
881 return;
|
|
|
882 }
|
|
|
883 }
|
|
|
884
|
|
|
885 n = ngx_http_read_request_header(r);
|
|
|
886
|
|
|
887 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
888 return;
|
|
|
889 }
|
|
|
890 }
|
|
|
891
|
|
|
892 rc = ngx_http_parse_header_line(r, r->header_in);
|
|
|
893
|
|
|
894 if (rc == NGX_OK) {
|
|
|
895
|
|
60
|
896 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
897
|
|
|
898 /* there was error while a header line parsing */
|
|
|
899
|
|
|
900 header.len = r->header_end - r->header_name_start;
|
|
|
901 header.data = r->header_name_start;
|
|
|
902
|
|
54
|
903 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
904 "client sent invalid header line: \"%V\"",
|
|
52
|
905 &header);
|
|
|
906 continue;
|
|
|
907 }
|
|
|
908
|
|
0
|
909 /* a header line has been parsed successfully */
|
|
|
910
|
|
50
|
911 h = ngx_list_push(&r->headers_in.headers);
|
|
|
912 if (h == NULL) {
|
|
0
|
913 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
914 return;
|
|
|
915 }
|
|
|
916
|
|
56
|
917 h->hash = r->header_hash;
|
|
|
918
|
|
0
|
919 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
920 h->key.data = r->header_name_start;
|
|
|
921 h->key.data[h->key.len] = '\0';
|
|
|
922
|
|
|
923 h->value.len = r->header_end - r->header_start;
|
|
|
924 h->value.data = r->header_start;
|
|
|
925 h->value.data[h->value.len] = '\0';
|
|
|
926
|
|
198
|
927 h->lowcase_key = ngx_palloc(r->pool, h->key.len);
|
|
|
928 if (h->lowcase_key == NULL) {
|
|
|
929 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
930 return;
|
|
|
931 }
|
|
|
932
|
|
|
933 if (h->key.len == r->lowcase_index) {
|
|
|
934 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
935
|
|
|
936 } else {
|
|
|
937 for (i = 0; i < h->key.len; i++) {
|
|
216
|
938 h->lowcase_key[i] = ngx_tolower(h->key.data[i]);
|
|
0
|
939 }
|
|
|
940 }
|
|
|
941
|
|
198
|
942 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
943 h->lowcase_key, h->key.len);
|
|
|
944
|
|
|
945 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
946 return;
|
|
|
947 }
|
|
|
948
|
|
0
|
949 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
950 "http header: \"%V: %V\"",
|
|
|
951 &h->key, &h->value);
|
|
0
|
952
|
|
|
953 continue;
|
|
54
|
954 }
|
|
|
955
|
|
|
956 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
957
|
|
|
958 /* a whole header has been parsed successfully */
|
|
|
959
|
|
|
960 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
961 "http header done");
|
|
|
962
|
|
24
|
963 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
964
|
|
0
|
965 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
966
|
|
|
967 rc = ngx_http_process_request_header(r);
|
|
|
968
|
|
|
969 if (rc != NGX_OK) {
|
|
|
970 return;
|
|
|
971 }
|
|
|
972
|
|
308
|
973 ngx_http_process_request(r);
|
|
86
|
974
|
|
0
|
975 return;
|
|
54
|
976 }
|
|
|
977
|
|
|
978 if (rc == NGX_AGAIN) {
|
|
|
979
|
|
|
980 /* a header line parsing is still not complete */
|
|
|
981
|
|
|
982 continue;
|
|
0
|
983 }
|
|
|
984
|
|
54
|
985 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
986
|
|
|
987 header.len = r->header_end - r->header_name_start;
|
|
|
988 header.data = r->header_name_start;
|
|
|
989 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
990 "client sent invalid header line: \"%V\\r...\"",
|
|
|
991 &header);
|
|
330
|
992 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
993 return;
|
|
0
|
994 }
|
|
|
995 }
|
|
|
996
|
|
|
997
|
|
50
|
998 static ssize_t
|
|
|
999 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1000 {
|
|
|
1001 ssize_t n;
|
|
|
1002 ngx_event_t *rev;
|
|
230
|
1003 ngx_connection_t *c;
|
|
0
|
1004 ngx_http_core_srv_conf_t *cscf;
|
|
|
1005
|
|
230
|
1006 c = r->connection;
|
|
|
1007 rev = c->read;
|
|
0
|
1008
|
|
|
1009 n = r->header_in->last - r->header_in->pos;
|
|
|
1010
|
|
|
1011 if (n > 0) {
|
|
|
1012 return n;
|
|
|
1013 }
|
|
|
1014
|
|
72
|
1015 if (rev->ready) {
|
|
230
|
1016 n = c->recv(c, r->header_in->last,
|
|
|
1017 r->header_in->end - r->header_in->last);
|
|
72
|
1018 } else {
|
|
|
1019 n = NGX_AGAIN;
|
|
0
|
1020 }
|
|
|
1021
|
|
|
1022 if (n == NGX_AGAIN) {
|
|
364
|
1023 if (!rev->timer_set) {
|
|
0
|
1024 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1025 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1026 }
|
|
|
1027
|
|
|
1028 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
1029 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1030 return NGX_ERROR;
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 return NGX_AGAIN;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 if (n == 0) {
|
|
230
|
1037 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1038 "client closed prematurely connection");
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1042 c->error = 1;
|
|
|
1043 c->log->action = "reading client request headers";
|
|
|
1044
|
|
|
1045 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1046 return NGX_ERROR;
|
|
|
1047 }
|
|
|
1048
|
|
|
1049 r->header_in->last += n;
|
|
|
1050
|
|
|
1051 return n;
|
|
|
1052 }
|
|
|
1053
|
|
|
1054
|
|
50
|
1055 static ngx_int_t
|
|
|
1056 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1057 ngx_uint_t request_line)
|
|
0
|
1058 {
|
|
|
1059 u_char *old, *new;
|
|
|
1060 ngx_buf_t *b;
|
|
|
1061 ngx_http_connection_t *hc;
|
|
|
1062 ngx_http_core_srv_conf_t *cscf;
|
|
|
1063
|
|
|
1064 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1065 "http alloc large header buffer");
|
|
|
1066
|
|
|
1067 if (request_line && r->state == 0) {
|
|
|
1068
|
|
|
1069 /* the client fills up the buffer with "\r\n" */
|
|
|
1070
|
|
24
|
1071 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1072
|
|
0
|
1073 r->header_in->pos = r->header_in->start;
|
|
|
1074 r->header_in->last = r->header_in->start;
|
|
|
1075
|
|
|
1076 return NGX_OK;
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1080
|
|
|
1081 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1082
|
|
|
1083 if (r->state != 0
|
|
|
1084 && (size_t) (r->header_in->pos - old)
|
|
|
1085 >= cscf->large_client_header_buffers.size)
|
|
|
1086 {
|
|
|
1087 return NGX_DECLINED;
|
|
|
1088 }
|
|
|
1089
|
|
|
1090 hc = r->http_connection;
|
|
|
1091
|
|
|
1092 if (hc->nfree) {
|
|
|
1093 b = hc->free[--hc->nfree];
|
|
|
1094
|
|
|
1095 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1096 "http large header free: %p %uz",
|
|
0
|
1097 b->pos, b->end - b->last);
|
|
|
1098
|
|
|
1099 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1100
|
|
|
1101 if (hc->busy == NULL) {
|
|
|
1102 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1103 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1104 if (hc->busy == NULL) {
|
|
|
1105 return NGX_ERROR;
|
|
|
1106 }
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1110 cscf->large_client_header_buffers.size);
|
|
|
1111 if (b == NULL) {
|
|
|
1112 return NGX_ERROR;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1116 "http large header alloc: %p %uz",
|
|
0
|
1117 b->pos, b->end - b->last);
|
|
|
1118
|
|
|
1119 } else {
|
|
|
1120 return NGX_DECLINED;
|
|
|
1121 }
|
|
|
1122
|
|
|
1123 hc->busy[hc->nbusy++] = b;
|
|
|
1124
|
|
|
1125 if (r->state == 0) {
|
|
|
1126 /*
|
|
|
1127 * r->state == 0 means that a header line was parsed successfully
|
|
|
1128 * and we do not need to copy incomplete header line and
|
|
|
1129 * to relocate the parser header pointers
|
|
|
1130 */
|
|
|
1131
|
|
24
|
1132 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1133
|
|
0
|
1134 r->header_in = b;
|
|
|
1135
|
|
|
1136 return NGX_OK;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1140 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1141
|
|
24
|
1142 r->request_length += old - r->header_in->start;
|
|
|
1143
|
|
0
|
1144 new = b->start;
|
|
|
1145
|
|
|
1146 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1147
|
|
|
1148 b->pos = new + (r->header_in->pos - old);
|
|
|
1149 b->last = new + (r->header_in->pos - old);
|
|
|
1150
|
|
|
1151 if (request_line) {
|
|
|
1152 r->request_start = new;
|
|
|
1153
|
|
|
1154 if (r->request_end) {
|
|
|
1155 r->request_end = new + (r->request_end - old);
|
|
|
1156 }
|
|
|
1157
|
|
|
1158 r->method_end = new + (r->method_end - old);
|
|
|
1159
|
|
|
1160 r->uri_start = new + (r->uri_start - old);
|
|
|
1161 r->uri_end = new + (r->uri_end - old);
|
|
|
1162
|
|
|
1163 if (r->schema_start) {
|
|
|
1164 r->schema_start = new + (r->schema_start - old);
|
|
|
1165 r->schema_end = new + (r->schema_end - old);
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 if (r->host_start) {
|
|
|
1169 r->host_start = new + (r->host_start - old);
|
|
270
|
1170 if (r->host_end) {
|
|
|
1171 r->host_end = new + (r->host_end - old);
|
|
|
1172 }
|
|
0
|
1173 }
|
|
|
1174
|
|
|
1175 if (r->port_start) {
|
|
|
1176 r->port_start = new + (r->port_start - old);
|
|
|
1177 r->port_end = new + (r->port_end - old);
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 if (r->uri_ext) {
|
|
|
1181 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 if (r->args_start) {
|
|
|
1185 r->args_start = new + (r->args_start - old);
|
|
|
1186 }
|
|
|
1187
|
|
354
|
1188 if (r->http_protocol.data) {
|
|
|
1189 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1190 }
|
|
|
1191
|
|
0
|
1192 } else {
|
|
|
1193 r->header_name_start = new;
|
|
|
1194 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1195 r->header_start = new + (r->header_start - old);
|
|
|
1196 r->header_end = new + (r->header_end - old);
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 r->header_in = b;
|
|
|
1200
|
|
|
1201 return NGX_OK;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204
|
|
50
|
1205 static ngx_int_t
|
|
58
|
1206 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1207 ngx_uint_t offset)
|
|
|
1208 {
|
|
|
1209 ngx_table_elt_t **ph;
|
|
|
1210
|
|
|
1211 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1212
|
|
|
1213 if (*ph == NULL) {
|
|
|
1214 *ph = h;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 return NGX_OK;
|
|
|
1218 }
|
|
|
1219
|
|
|
1220
|
|
|
1221 static ngx_int_t
|
|
72
|
1222 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1223 ngx_uint_t offset)
|
|
|
1224 {
|
|
|
1225 ngx_table_elt_t **ph;
|
|
|
1226
|
|
|
1227 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1228
|
|
|
1229 if (*ph == NULL) {
|
|
|
1230 *ph = h;
|
|
|
1231 return NGX_OK;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1235 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1236 "previous value: \"%V: %V\"",
|
|
|
1237 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1238
|
|
|
1239 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1240
|
|
|
1241 return NGX_ERROR;
|
|
|
1242 }
|
|
|
1243
|
|
|
1244
|
|
|
1245 static ngx_int_t
|
|
376
|
1246 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1247 ngx_uint_t offset)
|
|
|
1248 {
|
|
|
1249 ssize_t len;
|
|
|
1250
|
|
|
1251 if (r->headers_in.host == NULL) {
|
|
|
1252 r->headers_in.host = h;
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1256
|
|
|
1257 if (len <= 0) {
|
|
|
1258 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1259 "client sent invalid host header");
|
|
|
1260 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1261 return NGX_ERROR;
|
|
|
1262 }
|
|
|
1263
|
|
|
1264 if (r->headers_in.server.len) {
|
|
|
1265 return NGX_OK;
|
|
|
1266 }
|
|
|
1267
|
|
|
1268 r->headers_in.server.len = len;
|
|
|
1269 r->headers_in.server.data = h->value.data;
|
|
|
1270
|
|
|
1271 return NGX_OK;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274
|
|
|
1275 static ngx_int_t
|
|
336
|
1276 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1277 ngx_uint_t offset)
|
|
|
1278 {
|
|
340
|
1279 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1280 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1281
|
|
340
|
1282 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1283 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286 return NGX_OK;
|
|
|
1287 }
|
|
|
1288
|
|
|
1289
|
|
|
1290 static ngx_int_t
|
|
376
|
1291 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1292 ngx_uint_t offset)
|
|
|
1293 {
|
|
|
1294 u_char *ua, *user_agent;
|
|
|
1295
|
|
|
1296 if (r->headers_in.user_agent) {
|
|
|
1297 return NGX_OK;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 r->headers_in.user_agent = h;
|
|
|
1301
|
|
|
1302 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1303
|
|
|
1304 user_agent = h->value.data;
|
|
|
1305
|
|
|
1306 ua = ngx_strstrn(user_agent, "MSIE", 4 - 1);
|
|
|
1307
|
|
|
1308 if (ua && ua + 8 < user_agent + h->value.len) {
|
|
|
1309
|
|
|
1310 r->headers_in.msie = 1;
|
|
|
1311
|
|
|
1312 if (ua[4] == ' ' && ua[5] == '4' && ua[6] == '.') {
|
|
|
1313 r->headers_in.msie4 = 1;
|
|
|
1314 }
|
|
|
1315
|
|
|
1316 #if 0
|
|
|
1317 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1318 if (c->ssl) {
|
|
|
1319 c->ssl->no_send_shutdown = 1;
|
|
|
1320 }
|
|
|
1321 #endif
|
|
|
1322 }
|
|
|
1323
|
|
|
1324 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1325 r->headers_in.opera = 1;
|
|
|
1326 r->headers_in.msie = 0;
|
|
|
1327 r->headers_in.msie4 = 0;
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1331
|
|
|
1332 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1333 r->headers_in.gecko = 1;
|
|
|
1334
|
|
|
1335 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1336 r->headers_in.konqueror = 1;
|
|
|
1337 }
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 return NGX_OK;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343
|
|
|
1344 static ngx_int_t
|
|
58
|
1345 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1346 ngx_uint_t offset)
|
|
|
1347 {
|
|
|
1348 ngx_table_elt_t **cookie;
|
|
|
1349
|
|
|
1350 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1351 if (cookie) {
|
|
|
1352 *cookie = h;
|
|
|
1353 return NGX_OK;
|
|
58
|
1354 }
|
|
|
1355
|
|
72
|
1356 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1357
|
|
|
1358 return NGX_ERROR;
|
|
58
|
1359 }
|
|
|
1360
|
|
|
1361
|
|
|
1362 static ngx_int_t
|
|
50
|
1363 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1364 {
|
|
376
|
1365 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1366 r->headers_in.server.len)
|
|
|
1367 == NGX_ERROR)
|
|
|
1368 {
|
|
|
1369 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1370 return NGX_ERROR;
|
|
|
1371 }
|
|
|
1372
|
|
|
1373 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1374 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1375 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1376 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1377 return NGX_ERROR;
|
|
0
|
1378 }
|
|
|
1379
|
|
|
1380 if (r->headers_in.content_length) {
|
|
|
1381 r->headers_in.content_length_n =
|
|
212
|
1382 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1383 r->headers_in.content_length->value.len);
|
|
|
1384
|
|
|
1385 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1386 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1387 "client sent invalid \"Content-Length\" header");
|
|
130
|
1388 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1389 return NGX_ERROR;
|
|
0
|
1390 }
|
|
|
1391 }
|
|
|
1392
|
|
384
|
1393 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1394 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1395 "client sent %V method without \"Content-Length\" header",
|
|
|
1396 &r->method_name);
|
|
130
|
1397 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1398 return NGX_ERROR;
|
|
|
1399 }
|
|
|
1400
|
|
336
|
1401 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1402 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1403 "client sent TRACE method");
|
|
|
1404 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1405 return NGX_ERROR;
|
|
|
1406 }
|
|
|
1407
|
|
130
|
1408 if (r->headers_in.transfer_encoding
|
|
340
|
1409 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1410 "chunked", 7 - 1))
|
|
130
|
1411 {
|
|
|
1412 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1413 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1414 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1415 return NGX_ERROR;
|
|
0
|
1416 }
|
|
|
1417
|
|
336
|
1418 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1419 if (r->headers_in.keep_alive) {
|
|
|
1420 r->headers_in.keep_alive_n =
|
|
|
1421 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1422 r->headers_in.keep_alive->value.len);
|
|
0
|
1423 }
|
|
|
1424 }
|
|
|
1425
|
|
308
|
1426 return NGX_OK;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429
|
|
|
1430 static void
|
|
|
1431 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1432 {
|
|
356
|
1433 ngx_connection_t *c;
|
|
308
|
1434
|
|
|
1435 c = r->connection;
|
|
|
1436
|
|
354
|
1437 if (r->plain_http) {
|
|
|
1438 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1439 "client sent plain HTTP request to HTTPS port");
|
|
|
1440 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1441 return;
|
|
|
1442 }
|
|
|
1443
|
|
308
|
1444 #if (NGX_HTTP_SSL)
|
|
|
1445
|
|
|
1446 if (c->ssl) {
|
|
356
|
1447 long rc;
|
|
372
|
1448 X509 *cert;
|
|
356
|
1449 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1450
|
|
218
|
1451 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1452
|
|
|
1453 if (sscf->verify) {
|
|
308
|
1454 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1455
|
|
|
1456 if (rc != X509_V_OK) {
|
|
308
|
1457 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1458 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1459 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1460
|
|
|
1461 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1462 (SSL_get0_session(c->ssl->connection)));
|
|
|
1463
|
|
218
|
1464 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1465 return;
|
|
218
|
1466 }
|
|
|
1467
|
|
372
|
1468 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1469
|
|
|
1470 if (cert == NULL) {
|
|
308
|
1471 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
218
|
1472 "client sent no required SSL certificate");
|
|
366
|
1473
|
|
|
1474 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1475 (SSL_get0_session(c->ssl->connection)));
|
|
|
1476
|
|
218
|
1477 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
308
|
1478 return;
|
|
218
|
1479 }
|
|
372
|
1480
|
|
|
1481 X509_free(cert);
|
|
218
|
1482 }
|
|
|
1483 }
|
|
|
1484
|
|
|
1485 #endif
|
|
|
1486
|
|
308
|
1487 if (c->read->timer_set) {
|
|
|
1488 ngx_del_timer(c->read);
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 #if (NGX_STAT_STUB)
|
|
|
1492 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
1493 r->stat_reading = 0;
|
|
|
1494 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
|
1495 r->stat_writing = 1;
|
|
|
1496 #endif
|
|
|
1497
|
|
|
1498 c->read->handler = ngx_http_request_handler;
|
|
|
1499 c->write->handler = ngx_http_request_handler;
|
|
326
|
1500 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1501
|
|
|
1502 ngx_http_handler(r);
|
|
|
1503
|
|
|
1504 return;
|
|
0
|
1505 }
|
|
|
1506
|
|
|
1507
|
|
376
|
1508 static ssize_t
|
|
|
1509 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1510 {
|
|
376
|
1511 u_char ch;
|
|
|
1512 size_t i, last;
|
|
|
1513 ngx_uint_t dot;
|
|
|
1514
|
|
|
1515 last = len;
|
|
|
1516 dot = 0;
|
|
|
1517
|
|
|
1518 for (i = 0; i < len; i++) {
|
|
|
1519 ch = host[i];
|
|
|
1520
|
|
|
1521 if (ch == '.') {
|
|
|
1522 if (dot) {
|
|
|
1523 return -1;
|
|
|
1524 }
|
|
|
1525
|
|
|
1526 dot = 1;
|
|
|
1527 continue;
|
|
|
1528 }
|
|
|
1529
|
|
|
1530 dot = 0;
|
|
|
1531
|
|
|
1532 if (ch == ':') {
|
|
|
1533 last = i;
|
|
|
1534 continue;
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 if (ch == '/' || ch == '\0') {
|
|
|
1538 return -1;
|
|
|
1539 }
|
|
|
1540
|
|
|
1541 #if (NGX_WIN32)
|
|
|
1542 if (ch == '\\') {
|
|
|
1543 return -1;
|
|
|
1544 }
|
|
|
1545 #endif
|
|
|
1546 }
|
|
|
1547
|
|
|
1548 if (dot) {
|
|
|
1549 last--;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552 return last;
|
|
|
1553 }
|
|
|
1554
|
|
|
1555
|
|
|
1556 static ngx_int_t
|
|
|
1557 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1558 {
|
|
|
1559 u_char *server, ch;
|
|
|
1560 ngx_uint_t i, hash;
|
|
142
|
1561 ngx_http_core_loc_conf_t *clcf;
|
|
|
1562 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1563 u_char buf[32];
|
|
|
1564
|
|
|
1565 if (len == 0 || r->virtual_names == NULL) {
|
|
|
1566 return NGX_DECLINED;
|
|
|
1567 }
|
|
|
1568
|
|
|
1569 if (len <= 32) {
|
|
|
1570 server = buf;
|
|
|
1571
|
|
|
1572 } else {
|
|
|
1573 server = ngx_palloc(r->pool, len);
|
|
|
1574 if (server == NULL) {
|
|
|
1575 return NGX_ERROR;
|
|
|
1576 }
|
|
|
1577 }
|
|
|
1578
|
|
|
1579 hash = 0;
|
|
|
1580
|
|
|
1581 for (i = 0; i < len; i++) {
|
|
|
1582 ch = host[i];
|
|
|
1583
|
|
|
1584 ch = ngx_tolower(ch);
|
|
|
1585 server[i] = ch;
|
|
|
1586
|
|
|
1587 hash = ngx_hash(hash, ch);
|
|
|
1588 }
|
|
|
1589
|
|
|
1590 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, server, len);
|
|
312
|
1591
|
|
|
1592 if (cscf) {
|
|
|
1593 goto found;
|
|
26
|
1594 }
|
|
|
1595
|
|
326
|
1596 #if (NGX_PCRE)
|
|
|
1597
|
|
|
1598 if (r->virtual_names->nregex) {
|
|
356
|
1599 ngx_int_t n;
|
|
|
1600 ngx_uint_t i;
|
|
|
1601 ngx_str_t name;
|
|
|
1602 ngx_http_server_name_t *sn;
|
|
326
|
1603
|
|
|
1604 name.len = len;
|
|
376
|
1605 name.data = server;
|
|
326
|
1606
|
|
|
1607 sn = r->virtual_names->regex;
|
|
|
1608
|
|
|
1609 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
|
1610
|
|
|
1611 n = ngx_regex_exec(sn[i].regex, &name, NULL, 0);
|
|
|
1612
|
|
|
1613 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1614 continue;
|
|
|
1615 }
|
|
|
1616
|
|
|
1617 if (n < 0) {
|
|
|
1618 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1619 ngx_regex_exec_n
|
|
|
1620 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1621 n, &name, &sn[i].name);
|
|
376
|
1622 return NGX_ERROR;
|
|
326
|
1623 }
|
|
|
1624
|
|
|
1625 /* match */
|
|
|
1626
|
|
|
1627 cscf = sn[i].core_srv_conf;
|
|
|
1628
|
|
|
1629 goto found;
|
|
|
1630 }
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 #endif
|
|
|
1634
|
|
376
|
1635 return NGX_OK;
|
|
58
|
1636
|
|
|
1637 found:
|
|
|
1638
|
|
142
|
1639 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1640 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1641
|
|
|
1642 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1643 r->connection->log->file = clcf->err_log->file;
|
|
|
1644
|
|
|
1645 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
1646 r->connection->log->log_level = clcf->err_log->log_level;
|
|
26
|
1647 }
|
|
|
1648
|
|
376
|
1649 return NGX_OK;
|
|
26
|
1650 }
|
|
|
1651
|
|
|
1652
|
|
58
|
1653 static void
|
|
|
1654 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1655 {
|
|
|
1656 ngx_connection_t *c;
|
|
|
1657 ngx_http_request_t *r;
|
|
214
|
1658 ngx_http_log_ctx_t *ctx;
|
|
58
|
1659
|
|
|
1660 c = ev->data;
|
|
|
1661 r = c->data;
|
|
|
1662
|
|
214
|
1663 ctx = c->log->data;
|
|
|
1664 ctx->current_request = r;
|
|
|
1665
|
|
58
|
1666 if (ev->write) {
|
|
|
1667 r->write_event_handler(r);
|
|
|
1668
|
|
|
1669 } else {
|
|
|
1670 r->read_event_handler(r);
|
|
|
1671 }
|
|
|
1672 }
|
|
|
1673
|
|
|
1674
|
|
50
|
1675 void
|
|
58
|
1676 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1677 {
|
|
330
|
1678 ngx_connection_t *c;
|
|
58
|
1679 ngx_http_request_t *pr;
|
|
214
|
1680 ngx_http_log_ctx_t *ctx;
|
|
0
|
1681 ngx_http_core_loc_conf_t *clcf;
|
|
|
1682
|
|
58
|
1683 if (rc == NGX_DONE) {
|
|
118
|
1684 /* the request pool may be already destroyed */
|
|
58
|
1685 return;
|
|
|
1686 }
|
|
|
1687
|
|
330
|
1688 c = r->connection;
|
|
|
1689
|
|
|
1690 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1691 "http finalize request: %d, \"%V?%V\"",
|
|
|
1692 rc, &r->uri, &r->args);
|
|
|
1693
|
|
230
|
1694 if (rc == NGX_DECLINED) {
|
|
|
1695 r->content_handler = NULL;
|
|
|
1696 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1697 ngx_http_core_run_phases(r);
|
|
|
1698 return;
|
|
|
1699 }
|
|
|
1700
|
|
248
|
1701 if (r != r->main && r->post_subrequest) {
|
|
|
1702 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1703 }
|
|
|
1704
|
|
358
|
1705 if (rc == NGX_ERROR
|
|
|
1706 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1707 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1708 || c->error)
|
|
|
1709 {
|
|
282
|
1710 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1711 r->headers_out.status = rc;
|
|
190
|
1712 }
|
|
|
1713
|
|
162
|
1714 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1715 return;
|
|
|
1716 }
|
|
|
1717
|
|
118
|
1718 ngx_http_close_request(r, 0);
|
|
0
|
1719 return;
|
|
|
1720 }
|
|
|
1721
|
|
186
|
1722 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1723 || rc == NGX_HTTP_CREATED
|
|
|
1724 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1725 {
|
|
136
|
1726 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1727 ngx_http_close_request(r, rc);
|
|
|
1728 return;
|
|
|
1729 }
|
|
|
1730
|
|
146
|
1731 if (r == r->main) {
|
|
330
|
1732 if (c->read->timer_set) {
|
|
|
1733 ngx_del_timer(c->read);
|
|
118
|
1734 }
|
|
|
1735
|
|
330
|
1736 if (c->write->timer_set) {
|
|
|
1737 ngx_del_timer(c->write);
|
|
118
|
1738 }
|
|
|
1739 }
|
|
|
1740
|
|
|
1741 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1742 return;
|
|
|
1743 }
|
|
|
1744
|
|
146
|
1745 if (r != r->main || rc == NGX_AGAIN) {
|
|
74
|
1746 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1747 return;
|
|
|
1748 }
|
|
58
|
1749 }
|
|
|
1750
|
|
|
1751 r->done = 1;
|
|
|
1752
|
|
330
|
1753 if (r != c->data) {
|
|
|
1754 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1755 "http finalize non-active request: \"%V?%V\"",
|
|
|
1756 &r->uri, &r->args);
|
|
58
|
1757 return;
|
|
|
1758 }
|
|
|
1759
|
|
146
|
1760 if (r != r->main) {
|
|
58
|
1761
|
|
|
1762 pr = r->parent;
|
|
|
1763
|
|
330
|
1764 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1765 "http parent request: \"%V?%V\"", &pr->uri, &pr->args);
|
|
76
|
1766
|
|
58
|
1767 if (rc != NGX_AGAIN) {
|
|
330
|
1768 c->data = pr;
|
|
58
|
1769 }
|
|
|
1770
|
|
330
|
1771 ctx = c->log->data;
|
|
214
|
1772 ctx->current_request = pr;
|
|
|
1773
|
|
58
|
1774 if (pr->postponed) {
|
|
|
1775
|
|
330
|
1776 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1777 "http request: \"%V?%V\" has postponed",
|
|
|
1778 &pr->uri, &pr->args);
|
|
76
|
1779
|
|
58
|
1780 if (rc != NGX_AGAIN && pr->postponed->request == r) {
|
|
|
1781 pr->postponed = pr->postponed->next;
|
|
146
|
1782 }
|
|
|
1783
|
|
|
1784 if (r->fast_subrequest) {
|
|
194
|
1785
|
|
|
1786 if (rc == NGX_AGAIN) {
|
|
|
1787 r->fast_subrequest = 0;
|
|
|
1788 }
|
|
|
1789
|
|
330
|
1790 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
358
|
1791 "http fast subrequest: \"%V?%V\" done",
|
|
|
1792 &r->uri, &r->args);
|
|
146
|
1793 return;
|
|
58
|
1794 }
|
|
|
1795
|
|
194
|
1796 if (rc != NGX_AGAIN) {
|
|
330
|
1797 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
194
|
1798 "http wake parent request: \"%V?%V\"",
|
|
|
1799 &pr->uri, &pr->args);
|
|
|
1800
|
|
|
1801 pr->write_event_handler(pr);
|
|
|
1802 }
|
|
58
|
1803 }
|
|
|
1804
|
|
|
1805 return;
|
|
|
1806 }
|
|
0
|
1807
|
|
118
|
1808 if (rc == NGX_AGAIN) {
|
|
0
|
1809 return;
|
|
76
|
1810 }
|
|
|
1811
|
|
330
|
1812 if (c->buffered) {
|
|
74
|
1813 (void) ngx_http_set_write_handler(r);
|
|
0
|
1814 return;
|
|
|
1815 }
|
|
|
1816
|
|
178
|
1817 if (!r->post_action) {
|
|
|
1818 r->request_complete = 1;
|
|
|
1819 }
|
|
|
1820
|
|
162
|
1821 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1822 return;
|
|
|
1823 }
|
|
|
1824
|
|
330
|
1825 if (c->read->timer_set) {
|
|
|
1826 ngx_del_timer(c->read);
|
|
|
1827 }
|
|
|
1828
|
|
|
1829 if (c->write->timer_set) {
|
|
|
1830 c->write->delayed = 0;
|
|
|
1831 ngx_del_timer(c->write);
|
|
0
|
1832 }
|
|
|
1833
|
|
330
|
1834 if (c->destroyed) {
|
|
|
1835 return;
|
|
0
|
1836 }
|
|
|
1837
|
|
330
|
1838 if (c->read->eof) {
|
|
|
1839 ngx_http_close_request(r, 0);
|
|
138
|
1840 return;
|
|
|
1841 }
|
|
|
1842
|
|
162
|
1843 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
1844
|
|
|
1845 if (!ngx_terminate
|
|
|
1846 && !ngx_exiting
|
|
|
1847 && r->keepalive != 0
|
|
|
1848 && clcf->keepalive_timeout > 0)
|
|
|
1849 {
|
|
|
1850 ngx_http_set_keepalive(r);
|
|
|
1851 return;
|
|
|
1852
|
|
|
1853 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
1854 ngx_http_set_lingering_close(r);
|
|
|
1855 return;
|
|
|
1856 }
|
|
|
1857
|
|
|
1858 ngx_http_close_request(r, 0);
|
|
|
1859 }
|
|
|
1860
|
|
|
1861
|
|
74
|
1862 static ngx_int_t
|
|
50
|
1863 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
1864 {
|
|
|
1865 ngx_event_t *wev;
|
|
|
1866 ngx_http_core_loc_conf_t *clcf;
|
|
|
1867
|
|
58
|
1868 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
1869
|
|
326
|
1870 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
1871 r->write_event_handler = ngx_http_writer;
|
|
|
1872
|
|
0
|
1873 wev = r->connection->write;
|
|
|
1874
|
|
|
1875 if (wev->ready && wev->delayed) {
|
|
74
|
1876 return NGX_OK;
|
|
0
|
1877 }
|
|
|
1878
|
|
58
|
1879 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
1880 if (!wev->delayed) {
|
|
|
1881 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1882 }
|
|
|
1883
|
|
2
|
1884 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
0
|
1885 ngx_http_close_request(r, 0);
|
|
74
|
1886 return NGX_ERROR;
|
|
0
|
1887 }
|
|
74
|
1888
|
|
|
1889 return NGX_OK;
|
|
0
|
1890 }
|
|
|
1891
|
|
|
1892
|
|
58
|
1893 static void
|
|
|
1894 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
1895 {
|
|
|
1896 int rc;
|
|
58
|
1897 ngx_event_t *wev;
|
|
0
|
1898 ngx_connection_t *c;
|
|
|
1899 ngx_http_core_loc_conf_t *clcf;
|
|
|
1900
|
|
58
|
1901 c = r->connection;
|
|
|
1902 wev = c->write;
|
|
|
1903
|
|
132
|
1904 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1905 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
1906
|
|
|
1907 if (wev->timedout) {
|
|
|
1908 if (!wev->delayed) {
|
|
54
|
1909 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
1910 "client timed out");
|
|
|
1911 c->timedout = 1;
|
|
116
|
1912
|
|
162
|
1913 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
1914 return;
|
|
|
1915 }
|
|
|
1916
|
|
|
1917 wev->timedout = 0;
|
|
|
1918 wev->delayed = 0;
|
|
|
1919
|
|
|
1920 if (!wev->ready) {
|
|
102
|
1921 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
0
|
1922 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1923
|
|
2
|
1924 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1925 ngx_http_close_request(r, 0);
|
|
0
|
1926 }
|
|
|
1927
|
|
|
1928 return;
|
|
|
1929 }
|
|
|
1930
|
|
|
1931 } else {
|
|
|
1932 if (wev->delayed) {
|
|
|
1933 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1934 "http writer delayed");
|
|
|
1935
|
|
102
|
1936 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
2
|
1937
|
|
|
1938 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1939 ngx_http_close_request(r, 0);
|
|
0
|
1940 }
|
|
|
1941
|
|
|
1942 return;
|
|
|
1943 }
|
|
|
1944 }
|
|
|
1945
|
|
132
|
1946 rc = ngx_http_output_filter(r, NULL);
|
|
|
1947
|
|
|
1948 if (c->destroyed) {
|
|
|
1949 return;
|
|
58
|
1950 }
|
|
|
1951
|
|
132
|
1952 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1953 "http writer output filter: %d, \"%V?%V\"",
|
|
|
1954 rc, &r->uri, &r->args);
|
|
0
|
1955
|
|
|
1956 if (rc == NGX_AGAIN) {
|
|
102
|
1957 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
0
|
1958 if (!wev->ready && !wev->delayed) {
|
|
|
1959 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1960 }
|
|
|
1961
|
|
2
|
1962 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1963 ngx_http_close_request(r, 0);
|
|
0
|
1964 }
|
|
|
1965
|
|
254
|
1966 if (r == r->main || r->buffered) {
|
|
146
|
1967 return;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970 rc = NGX_OK;
|
|
0
|
1971 }
|
|
|
1972
|
|
132
|
1973 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1974 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
1975
|
|
|
1976 ngx_http_finalize_request(r, rc);
|
|
|
1977 }
|
|
|
1978
|
|
|
1979
|
|
326
|
1980 void
|
|
|
1981 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
1982 {
|
|
318
|
1983 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
1984 "http reading blocked");
|
|
318
|
1985
|
|
|
1986 /* aio does not call this handler */
|
|
|
1987
|
|
|
1988 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
1989 && r->connection->read->active)
|
|
|
1990 {
|
|
|
1991 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0)
|
|
|
1992 == NGX_ERROR)
|
|
|
1993 {
|
|
|
1994 ngx_http_close_request(r, 0);
|
|
|
1995 }
|
|
|
1996 }
|
|
|
1997 }
|
|
|
1998
|
|
|
1999
|
|
|
2000 static void
|
|
326
|
2001 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2002 {
|
|
276
|
2003 int n;
|
|
|
2004 char buf[1];
|
|
|
2005 ngx_err_t err;
|
|
|
2006 ngx_event_t *rev;
|
|
|
2007 ngx_connection_t *c;
|
|
|
2008
|
|
|
2009 c = r->connection;
|
|
|
2010 rev = c->read;
|
|
|
2011
|
|
326
|
2012 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2013
|
|
|
2014 #if (NGX_HAVE_KQUEUE)
|
|
|
2015
|
|
|
2016 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2017
|
|
|
2018 if (!rev->pending_eof) {
|
|
|
2019 return;
|
|
|
2020 }
|
|
|
2021
|
|
|
2022 rev->eof = 1;
|
|
|
2023 c->error = 1;
|
|
|
2024 err = rev->kq_errno;
|
|
|
2025
|
|
|
2026 goto closed;
|
|
|
2027 }
|
|
|
2028
|
|
|
2029 #endif
|
|
|
2030
|
|
|
2031 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2032
|
|
|
2033 if (n == 0) {
|
|
|
2034 rev->eof = 1;
|
|
|
2035 c->error = 1;
|
|
|
2036 err = 0;
|
|
|
2037
|
|
|
2038 goto closed;
|
|
|
2039
|
|
|
2040 } else if (n == -1) {
|
|
|
2041 err = ngx_socket_errno;
|
|
|
2042
|
|
|
2043 if (err != NGX_EAGAIN) {
|
|
|
2044 rev->eof = 1;
|
|
|
2045 c->error = 1;
|
|
|
2046
|
|
|
2047 goto closed;
|
|
|
2048 }
|
|
|
2049 }
|
|
0
|
2050
|
|
|
2051 /* aio does not call this handler */
|
|
|
2052
|
|
276
|
2053 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2054
|
|
|
2055 if (ngx_del_event(rev, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
0
|
2056 ngx_http_close_request(r, 0);
|
|
|
2057 }
|
|
|
2058 }
|
|
276
|
2059
|
|
|
2060 return;
|
|
|
2061
|
|
|
2062 closed:
|
|
|
2063
|
|
|
2064 if (err) {
|
|
|
2065 rev->error = 1;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2069 "client closed prematurely connection");
|
|
|
2070
|
|
286
|
2071 ngx_http_finalize_request(r, 0);
|
|
0
|
2072 }
|
|
|
2073
|
|
|
2074
|
|
50
|
2075 static void
|
|
|
2076 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2077 {
|
|
2
|
2078 int tcp_nodelay;
|
|
0
|
2079 ngx_int_t i;
|
|
|
2080 ngx_buf_t *b, *f;
|
|
|
2081 ngx_event_t *rev, *wev;
|
|
|
2082 ngx_connection_t *c;
|
|
|
2083 ngx_http_connection_t *hc;
|
|
|
2084 ngx_http_core_srv_conf_t *cscf;
|
|
|
2085 ngx_http_core_loc_conf_t *clcf;
|
|
|
2086
|
|
|
2087 c = r->connection;
|
|
|
2088 rev = c->read;
|
|
|
2089
|
|
326
|
2090 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2091
|
|
0
|
2092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2093
|
|
326
|
2094 if (r->discard_body) {
|
|
384
|
2095 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
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 {
|
|
384
|
2269 #if (NGX_SOLARIS)
|
|
|
2270 /* Solaris returns EINVAL if a socket has been shut down */
|
|
|
2271 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
|
2272 #endif
|
|
|
2273
|
|
22
|
2274 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2275 "setsockopt(TCP_NODELAY) failed");
|
|
384
|
2276
|
|
|
2277 c->log_error = NGX_ERROR_INFO;
|
|
22
|
2278 ngx_http_close_connection(c);
|
|
|
2279 return;
|
|
2
|
2280 }
|
|
22
|
2281
|
|
32
|
2282 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2283 }
|
|
|
2284
|
|
|
2285 #if 0
|
|
4
|
2286 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2287 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2288 #endif
|
|
|
2289
|
|
290
|
2290 c->idle = 1;
|
|
|
2291
|
|
0
|
2292 if (rev->ready) {
|
|
376
|
2293 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2294 }
|
|
|
2295 }
|
|
|
2296
|
|
|
2297
|
|
50
|
2298 static void
|
|
|
2299 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2300 {
|
|
50
|
2301 size_t size;
|
|
|
2302 ssize_t n;
|
|
|
2303 ngx_buf_t *b;
|
|
|
2304 ngx_connection_t *c;
|
|
0
|
2305
|
|
|
2306 c = rev->data;
|
|
|
2307
|
|
|
2308 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2309
|
|
290
|
2310 if (rev->timedout || c->close) {
|
|
0
|
2311 ngx_http_close_connection(c);
|
|
|
2312 return;
|
|
|
2313 }
|
|
|
2314
|
|
18
|
2315 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2316
|
|
4
|
2317 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2318 if (rev->pending_eof) {
|
|
32
|
2319 c->log->handler = NULL;
|
|
0
|
2320 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2321 "kevent() reported that client %V closed "
|
|
32
|
2322 "keepalive connection", &c->addr_text);
|
|
22
|
2323 #if (NGX_HTTP_SSL)
|
|
|
2324 if (c->ssl) {
|
|
96
|
2325 c->ssl->no_send_shutdown = 1;
|
|
22
|
2326 }
|
|
|
2327 #endif
|
|
0
|
2328 ngx_http_close_connection(c);
|
|
|
2329 return;
|
|
|
2330 }
|
|
|
2331 }
|
|
|
2332
|
|
|
2333 #endif
|
|
|
2334
|
|
|
2335 b = c->buffer;
|
|
|
2336 size = b->end - b->start;
|
|
|
2337
|
|
|
2338 if (b->pos == NULL) {
|
|
4
|
2339
|
|
|
2340 /*
|
|
|
2341 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2342 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2343 * to keep the buffer size.
|
|
|
2344 */
|
|
|
2345
|
|
50
|
2346 b->pos = ngx_palloc(c->pool, size);
|
|
|
2347 if (b->pos == NULL) {
|
|
0
|
2348 ngx_http_close_connection(c);
|
|
|
2349 return;
|
|
|
2350 }
|
|
|
2351
|
|
|
2352 b->start = b->pos;
|
|
|
2353 b->last = b->pos;
|
|
|
2354 b->end = b->pos + size;
|
|
|
2355 }
|
|
|
2356
|
|
|
2357 /*
|
|
|
2358 * MSIE closes a keepalive connection with RST flag
|
|
|
2359 * so we ignore ECONNRESET here.
|
|
|
2360 */
|
|
|
2361
|
|
|
2362 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2363 ngx_set_socket_errno(0);
|
|
|
2364
|
|
|
2365 n = c->recv(c, b->last, size);
|
|
|
2366 c->log_error = NGX_ERROR_INFO;
|
|
|
2367
|
|
|
2368 if (n == NGX_AGAIN) {
|
|
58
|
2369 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
24
|
2370 ngx_http_close_connection(c);
|
|
|
2371 }
|
|
|
2372
|
|
0
|
2373 return;
|
|
|
2374 }
|
|
|
2375
|
|
|
2376 if (n == NGX_ERROR) {
|
|
|
2377 ngx_http_close_connection(c);
|
|
|
2378 return;
|
|
|
2379 }
|
|
|
2380
|
|
32
|
2381 c->log->handler = NULL;
|
|
0
|
2382
|
|
|
2383 if (n == 0) {
|
|
|
2384 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2385 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2386 ngx_http_close_connection(c);
|
|
|
2387 return;
|
|
|
2388 }
|
|
|
2389
|
|
|
2390 b->last += n;
|
|
32
|
2391
|
|
116
|
2392 #if (NGX_STAT_STUB)
|
|
|
2393 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2394 #endif
|
|
|
2395
|
|
32
|
2396 c->log->handler = ngx_http_log_error;
|
|
|
2397 c->log->action = "reading client request line";
|
|
0
|
2398
|
|
290
|
2399 c->idle = 0;
|
|
|
2400
|
|
0
|
2401 ngx_http_init_request(rev);
|
|
|
2402 }
|
|
|
2403
|
|
|
2404
|
|
50
|
2405 static void
|
|
|
2406 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2407 {
|
|
0
|
2408 ngx_event_t *rev, *wev;
|
|
|
2409 ngx_connection_t *c;
|
|
|
2410 ngx_http_core_loc_conf_t *clcf;
|
|
|
2411
|
|
|
2412 c = r->connection;
|
|
|
2413
|
|
|
2414 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2415
|
|
|
2416 rev = c->read;
|
|
58
|
2417 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2418
|
|
106
|
2419 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2420 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2421
|
|
58
|
2422 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
0
|
2423 ngx_http_close_request(r, 0);
|
|
|
2424 return;
|
|
|
2425 }
|
|
|
2426
|
|
|
2427 wev = c->write;
|
|
58
|
2428 wev->handler = ngx_http_empty_handler;
|
|
0
|
2429
|
|
132
|
2430 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
|
2431 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
|
2432 ngx_http_close_request(r, 0);
|
|
|
2433 return;
|
|
0
|
2434 }
|
|
|
2435 }
|
|
|
2436
|
|
|
2437 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2438 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2439 ngx_shutdown_socket_n " failed");
|
|
|
2440 ngx_http_close_request(r, 0);
|
|
|
2441 return;
|
|
|
2442 }
|
|
|
2443
|
|
|
2444 if (rev->ready) {
|
|
|
2445 ngx_http_lingering_close_handler(rev);
|
|
|
2446 }
|
|
|
2447 }
|
|
|
2448
|
|
|
2449
|
|
50
|
2450 static void
|
|
|
2451 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2452 {
|
|
|
2453 ssize_t n;
|
|
|
2454 ngx_msec_t timer;
|
|
|
2455 ngx_connection_t *c;
|
|
|
2456 ngx_http_request_t *r;
|
|
|
2457 ngx_http_core_loc_conf_t *clcf;
|
|
|
2458 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2459
|
|
|
2460 c = rev->data;
|
|
|
2461 r = c->data;
|
|
|
2462
|
|
|
2463 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2464 "http lingering close handler");
|
|
|
2465
|
|
|
2466 if (rev->timedout) {
|
|
126
|
2467 c->timedout = 1;
|
|
0
|
2468 ngx_http_close_request(r, 0);
|
|
|
2469 return;
|
|
|
2470 }
|
|
|
2471
|
|
346
|
2472 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2473 if (timer <= 0) {
|
|
|
2474 ngx_http_close_request(r, 0);
|
|
|
2475 return;
|
|
|
2476 }
|
|
|
2477
|
|
|
2478 do {
|
|
|
2479 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2480
|
|
|
2481 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2482
|
|
|
2483 if (n == NGX_ERROR || n == 0) {
|
|
|
2484 ngx_http_close_request(r, 0);
|
|
|
2485 return;
|
|
|
2486 }
|
|
|
2487
|
|
|
2488 } while (rev->ready);
|
|
|
2489
|
|
58
|
2490 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
26
|
2491 ngx_http_close_request(r, 0);
|
|
24
|
2492 return;
|
|
|
2493 }
|
|
|
2494
|
|
0
|
2495 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2496
|
|
|
2497 timer *= 1000;
|
|
|
2498
|
|
|
2499 if (timer > clcf->lingering_timeout) {
|
|
|
2500 timer = clcf->lingering_timeout;
|
|
|
2501 }
|
|
|
2502
|
|
|
2503 ngx_add_timer(rev, timer);
|
|
|
2504 }
|
|
|
2505
|
|
|
2506
|
|
50
|
2507 void
|
|
|
2508 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2509 {
|
|
|
2510 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2511
|
|
|
2512 return;
|
|
|
2513 }
|
|
|
2514
|
|
|
2515
|
|
58
|
2516 void
|
|
|
2517 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2518 {
|
|
|
2519 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2520 "http request empty handler");
|
|
58
|
2521
|
|
|
2522 return;
|
|
|
2523 }
|
|
|
2524
|
|
|
2525
|
|
50
|
2526 ngx_int_t
|
|
130
|
2527 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2528 {
|
|
|
2529 ngx_buf_t *b;
|
|
|
2530 ngx_chain_t out;
|
|
|
2531
|
|
50
|
2532 b = ngx_calloc_buf(r->pool);
|
|
|
2533 if (b == NULL) {
|
|
0
|
2534 return NGX_ERROR;
|
|
|
2535 }
|
|
|
2536
|
|
130
|
2537 if (flags & NGX_HTTP_LAST) {
|
|
|
2538 b->last_buf = 1;
|
|
|
2539 }
|
|
|
2540
|
|
|
2541 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2542 b->flush = 1;
|
|
|
2543 }
|
|
|
2544
|
|
0
|
2545 out.buf = b;
|
|
|
2546 out.next = NULL;
|
|
|
2547
|
|
|
2548 return ngx_http_output_filter(r, &out);
|
|
|
2549 }
|
|
|
2550
|
|
|
2551
|
|
162
|
2552 static ngx_int_t
|
|
|
2553 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2554 {
|
|
|
2555 ngx_http_core_loc_conf_t *clcf;
|
|
|
2556
|
|
|
2557 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2558
|
|
|
2559 if (clcf->post_action.data == NULL) {
|
|
|
2560 return NGX_DECLINED;
|
|
|
2561 }
|
|
|
2562
|
|
172
|
2563 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2564 "post action: \"%V\"", &clcf->post_action);
|
|
|
2565
|
|
162
|
2566 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2567 r->header_only = 1;
|
|
178
|
2568 r->post_action = 1;
|
|
162
|
2569
|
|
326
|
2570 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2571
|
|
366
|
2572 if (clcf->post_action.data[0] == '/') {
|
|
|
2573 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2574
|
|
|
2575 } else {
|
|
|
2576 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2577 }
|
|
162
|
2578
|
|
|
2579 return NGX_OK;
|
|
|
2580 }
|
|
|
2581
|
|
|
2582
|
|
|
2583 static void
|
|
58
|
2584 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2585 {
|
|
188
|
2586 ngx_connection_t *c;
|
|
118
|
2587
|
|
|
2588 c = r->connection;
|
|
188
|
2589
|
|
|
2590 ngx_http_request_done(r->main, error);
|
|
118
|
2591 ngx_http_close_connection(c);
|
|
|
2592 }
|
|
|
2593
|
|
|
2594
|
|
162
|
2595 static void
|
|
118
|
2596 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2597 {
|
|
|
2598 ngx_log_t *log;
|
|
130
|
2599 ngx_uint_t i, n;
|
|
118
|
2600 struct linger linger;
|
|
188
|
2601 ngx_http_cleanup_t *cln;
|
|
118
|
2602 ngx_http_log_ctx_t *ctx;
|
|
130
|
2603 ngx_http_handler_pt *log_handler;
|
|
118
|
2604 ngx_http_core_loc_conf_t *clcf;
|
|
|
2605 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
2606
|
|
|
2607 log = r->connection->log;
|
|
|
2608
|
|
|
2609 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2610
|
|
|
2611 if (r->pool == NULL) {
|
|
80
|
2612 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2613 return;
|
|
|
2614 }
|
|
|
2615
|
|
188
|
2616 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2617 if (cln->handler) {
|
|
|
2618 cln->handler(cln->data);
|
|
|
2619 }
|
|
|
2620 }
|
|
|
2621
|
|
0
|
2622 #if (NGX_STAT_STUB)
|
|
116
|
2623
|
|
0
|
2624 if (r->stat_reading) {
|
|
110
|
2625 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2626 }
|
|
|
2627
|
|
|
2628 if (r->stat_writing) {
|
|
110
|
2629 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2630 }
|
|
116
|
2631
|
|
0
|
2632 #endif
|
|
|
2633
|
|
|
2634 if (error && r->headers_out.status == 0) {
|
|
|
2635 r->headers_out.status = error;
|
|
|
2636 }
|
|
|
2637
|
|
118
|
2638 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2639
|
|
130
|
2640 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2641 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2642 for (i = 0; i < n; i++) {
|
|
|
2643 log_handler[i](r);
|
|
118
|
2644 }
|
|
0
|
2645
|
|
|
2646 if (r->connection->timedout) {
|
|
|
2647 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2648
|
|
|
2649 if (clcf->reset_timedout_connection) {
|
|
58
|
2650 linger.l_onoff = 1;
|
|
|
2651 linger.l_linger = 0;
|
|
0
|
2652
|
|
|
2653 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2654 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2655 {
|
|
|
2656 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2657 "setsockopt(SO_LINGER) failed");
|
|
|
2658 }
|
|
|
2659 }
|
|
|
2660 }
|
|
|
2661
|
|
58
|
2662 /* the various request strings were allocated from r->pool */
|
|
0
|
2663 ctx = log->data;
|
|
10
|
2664 ctx->request = NULL;
|
|
0
|
2665
|
|
|
2666 r->request_line.len = 0;
|
|
|
2667
|
|
132
|
2668 r->connection->destroyed = 1;
|
|
|
2669
|
|
0
|
2670 ngx_destroy_pool(r->pool);
|
|
|
2671 }
|
|
|
2672
|
|
|
2673
|
|
80
|
2674 static void
|
|
50
|
2675 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2676 {
|
|
28
|
2677 ngx_pool_t *pool;
|
|
|
2678
|
|
0
|
2679 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2680 "close http connection: %d", c->fd);
|
|
|
2681
|
|
88
|
2682 #if (NGX_HTTP_SSL)
|
|
2
|
2683
|
|
|
2684 if (c->ssl) {
|
|
|
2685 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2686 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2687 return;
|
|
|
2688 }
|
|
|
2689 }
|
|
|
2690
|
|
|
2691 #endif
|
|
|
2692
|
|
0
|
2693 #if (NGX_STAT_STUB)
|
|
110
|
2694 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2695 #endif
|
|
|
2696
|
|
132
|
2697 c->destroyed = 1;
|
|
|
2698
|
|
28
|
2699 pool = c->pool;
|
|
|
2700
|
|
0
|
2701 ngx_close_connection(c);
|
|
28
|
2702
|
|
50
|
2703 ngx_destroy_pool(pool);
|
|
0
|
2704 }
|
|
|
2705
|
|
|
2706
|
|
50
|
2707 static u_char *
|
|
|
2708 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2709 {
|
|
32
|
2710 u_char *p;
|
|
54
|
2711 ngx_http_request_t *r;
|
|
32
|
2712 ngx_http_log_ctx_t *ctx;
|
|
10
|
2713
|
|
32
|
2714 if (log->action) {
|
|
58
|
2715 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2716 len -= p - buf;
|
|
54
|
2717 buf = p;
|
|
10
|
2718 }
|
|
|
2719
|
|
58
|
2720 ctx = log->data;
|
|
|
2721
|
|
362
|
2722 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2723 len -= p - buf;
|
|
54
|
2724
|
|
|
2725 r = ctx->request;
|
|
|
2726
|
|
58
|
2727 if (r) {
|
|
214
|
2728 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2729
|
|
|
2730 } else {
|
|
|
2731 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2732 &ctx->connection->listening->addr_text);
|
|
0
|
2733 }
|
|
10
|
2734
|
|
58
|
2735 return p;
|
|
|
2736 }
|
|
|
2737
|
|
|
2738
|
|
|
2739 static u_char *
|
|
214
|
2740 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2741 u_char *buf, size_t len)
|
|
58
|
2742 {
|
|
362
|
2743 char *uri_separator;
|
|
|
2744 u_char *p;
|
|
|
2745 ngx_http_upstream_t *u;
|
|
|
2746 ngx_http_core_srv_conf_t *cscf;
|
|
|
2747
|
|
|
2748 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2749
|
|
|
2750 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2751 len -= p - buf;
|
|
|
2752 buf = p;
|
|
52
|
2753
|
|
348
|
2754 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2755 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2756 if (*p == CR || *p == LF) {
|
|
|
2757 break;
|
|
|
2758 }
|
|
|
2759 }
|
|
|
2760
|
|
|
2761 r->request_line.len = p - r->request_start;
|
|
|
2762 r->request_line.data = r->request_start;
|
|
|
2763 }
|
|
|
2764
|
|
|
2765 if (r->request_line.len) {
|
|
|
2766 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2767 len -= p - buf;
|
|
|
2768 buf = p;
|
|
10
|
2769 }
|
|
|
2770
|
|
214
|
2771 if (r != sr) {
|
|
|
2772 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2773 len -= p - buf;
|
|
|
2774 buf = p;
|
|
|
2775 }
|
|
|
2776
|
|
|
2777 u = sr->upstream;
|
|
|
2778
|
|
260
|
2779 if (u && u->peer.name) {
|
|
|
2780
|
|
|
2781 uri_separator = "";
|
|
|
2782
|
|
|
2783 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2784 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2785 uri_separator = ":";
|
|
|
2786 }
|
|
|
2787 #endif
|
|
214
|
2788
|
|
|
2789 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2790 &u->schema, u->peer.name,
|
|
260
|
2791 uri_separator, &u->uri);
|
|
214
|
2792 len -= p - buf;
|
|
|
2793 buf = p;
|
|
|
2794 }
|
|
|
2795
|
|
54
|
2796 if (r->headers_in.host) {
|
|
|
2797 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2798 &r->headers_in.host->value);
|
|
|
2799 len -= p - buf;
|
|
|
2800 buf = p;
|
|
|
2801 }
|
|
|
2802
|
|
|
2803 if (r->headers_in.referer) {
|
|
|
2804 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
2805 &r->headers_in.referer->value);
|
|
|
2806 buf = p;
|
|
|
2807 }
|
|
|
2808
|
|
|
2809 return buf;
|
|
|
2810 }
|
