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