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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58
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24 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r,
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25 ngx_table_elt_t *h, ngx_uint_t offset);
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26
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0
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27 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
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198
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28 static void ngx_http_find_virtual_server(ngx_http_request_t *r,
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29 ngx_http_virtual_names_t *vn, ngx_uint_t hash);
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0
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30
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58
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31 static void ngx_http_request_handler(ngx_event_t *ev);
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74
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32 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
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58
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33 static void ngx_http_writer(ngx_http_request_t *r);
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34
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35 static void ngx_http_block_read(ngx_http_request_t *r);
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0
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36 static void ngx_http_set_keepalive(ngx_http_request_t *r);
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37 static void ngx_http_keepalive_handler(ngx_event_t *ev);
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38 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
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39 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
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162
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40 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
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80
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41 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
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118
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42 static void ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error);
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80
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43 static void ngx_http_close_connection(ngx_connection_t *c);
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0
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44
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32
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45 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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46 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
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47 ngx_http_request_t *sr, u_char *buf, size_t len);
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0
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48
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88
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49 #if (NGX_HTTP_SSL)
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50 static void ngx_http_ssl_handshake(ngx_event_t *rev);
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96
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51 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
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88
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52 #endif
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53
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0
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54
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54
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55 static char *ngx_http_client_errors[] = {
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56
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57 /* NGX_HTTP_PARSE_INVALID_METHOD */
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58 "client sent invalid method",
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59
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60 /* NGX_HTTP_PARSE_INVALID_REQUEST */
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61 "client sent invalid request",
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62
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63 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
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64 "client sent invalid method in HTTP/0.9 request"
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0
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65 };
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66
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67
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68 ngx_http_header_t ngx_http_headers_in[] = {
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58
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69 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
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72
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70 ngx_http_process_unique_header_line },
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58
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71
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72 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
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72
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73 ngx_http_process_unique_header_line },
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58
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74
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0
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75 { ngx_string("If-Modified-Since"),
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58
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76 offsetof(ngx_http_headers_in_t, if_modified_since),
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77 ngx_http_process_header_line },
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78
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79 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
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80 ngx_http_process_header_line },
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81
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82 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
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83 ngx_http_process_header_line },
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84
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0
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85 { ngx_string("Content-Length"),
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58
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86 offsetof(ngx_http_headers_in_t, content_length),
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72
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87 ngx_http_process_unique_header_line },
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58
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88
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28
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89 { ngx_string("Content-Type"),
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58
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90 offsetof(ngx_http_headers_in_t, content_type),
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91 ngx_http_process_header_line },
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92
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93 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
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94 ngx_http_process_header_line },
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95
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130
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96 { ngx_string("Transfer-Encoding"),
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97 offsetof(ngx_http_headers_in_t, transfer_encoding),
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98 ngx_http_process_header_line },
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99
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0
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100 #if (NGX_HTTP_GZIP)
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101 { ngx_string("Accept-Encoding"),
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58
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102 offsetof(ngx_http_headers_in_t, accept_encoding),
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103 ngx_http_process_header_line },
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104
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105 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
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106 ngx_http_process_header_line },
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0
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107 #endif
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108
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109 { ngx_string("Authorization"),
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58
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110 offsetof(ngx_http_headers_in_t, authorization),
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72
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111 ngx_http_process_unique_header_line },
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58
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112
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113 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
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114 ngx_http_process_header_line },
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0
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115
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122
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116 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
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0
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117 { ngx_string("X-Forwarded-For"),
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118 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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119 ngx_http_process_header_line },
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0
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120 #endif
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28
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121
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122
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122 #if (NGX_HTTP_REALIP)
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123 { ngx_string("X-Real-IP"),
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124 offsetof(ngx_http_headers_in_t, x_real_ip),
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125 ngx_http_process_header_line },
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126 #endif
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127
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38
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128 #if (NGX_HTTP_HEADERS)
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58
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129 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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130 ngx_http_process_header_line },
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131
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38
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132 { ngx_string("Accept-Language"),
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58
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133 offsetof(ngx_http_headers_in_t, accept_language),
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134 ngx_http_process_header_line },
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38
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135 #endif
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136
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186
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137 #if (NGX_HTTP_DAV)
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138 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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139 ngx_http_process_header_line },
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140
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141 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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142 ngx_http_process_header_line },
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230
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143
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144 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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145 ngx_http_process_header_line },
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186
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146 #endif
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147
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58
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148 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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149
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150 { ngx_null_string, 0, NULL }
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0
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151 };
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152
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153
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50
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154 void
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155 ngx_http_init_connection(ngx_connection_t *c)
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0
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156 {
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157 ngx_event_t *rev;
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158 ngx_http_log_ctx_t *ctx;
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159
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50
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160 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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161 if (ctx == NULL) {
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0
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162 ngx_http_close_connection(c);
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163 return;
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164 }
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165
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10
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166 ctx->client = &c->addr_text;
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167 ctx->request = NULL;
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214
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168 ctx->current_request = NULL;
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32
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169
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170 c->log->connection = c->number;
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171 c->log->handler = ngx_http_log_error;
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172 c->log->data = ctx;
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32
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173 c->log->action = "reading client request line";
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174
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0
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175 c->log_error = NGX_ERROR_INFO;
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176
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177 rev = c->read;
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58
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178 rev->handler = ngx_http_init_request;
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118
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179 c->write->handler = ngx_http_empty_handler;
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0
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180
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116
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181 #if (NGX_STAT_STUB)
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182 ngx_atomic_fetch_add(ngx_stat_reading, 1);
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183 #endif
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184
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0
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185 if (rev->ready) {
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186 /* the deferred accept(), rtsig, aio, iocp */
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187
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160
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188 if (ngx_use_accept_mutex) {
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112
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189 ngx_post_event(rev, &ngx_posted_events);
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190 return;
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191 }
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192
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193 ngx_http_init_request(rev);
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194 return;
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195 }
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196
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197 ngx_add_timer(rev, c->listening->post_accept_timeout);
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198
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199 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
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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 ngx_http_close_connection(c);
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204 return;
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205 }
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206 }
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207
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208
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190
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209 static void
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210 ngx_http_init_request(ngx_event_t *rev)
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0
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211 {
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190
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212 socklen_t len;
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122
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213 ngx_uint_t i;
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214 struct sockaddr_in sin;
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215 ngx_connection_t *c;
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216 ngx_http_request_t *r;
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142
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217 ngx_http_in_port_t *hip;
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218 ngx_http_in_addr_t *hia;
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122
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219 ngx_http_log_ctx_t *ctx;
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220 ngx_http_connection_t *hc;
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221 ngx_http_core_srv_conf_t *cscf;
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222 ngx_http_core_loc_conf_t *clcf;
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223 ngx_http_core_main_conf_t *cmcf;
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0
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224 #if (NGX_HTTP_SSL)
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122
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225 ngx_http_ssl_srv_conf_t *sscf;
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226 #endif
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227
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116
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228 #if (NGX_STAT_STUB)
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229 ngx_atomic_fetch_add(ngx_stat_reading, -1);
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230 #endif
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231
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0
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232 c = rev->data;
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233
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234 if (rev->timedout) {
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235 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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236
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237 ngx_http_close_connection(c);
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238 return;
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239 }
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240
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241 hc = c->data;
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242
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116
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243 if (hc == NULL) {
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50
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244 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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245 if (hc == NULL) {
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0
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246 ngx_http_close_connection(c);
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247 return;
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248 }
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249 }
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250
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251 r = hc->request;
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252
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253 if (r) {
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254 ngx_memzero(r, sizeof(ngx_http_request_t));
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255
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256 r->pipeline = hc->pipeline;
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257
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258 if (hc->nbusy) {
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259 r->header_in = hc->busy[0];
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260 }
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261
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262 } else {
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50
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263 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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264 if (r == NULL) {
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0
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265 ngx_http_close_connection(c);
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266 return;
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267 }
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268
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269 hc->request = r;
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270 }
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271
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272 c->data = r;
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273 r->http_connection = hc;
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274
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275 c->sent = 0;
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276 r->signature = NGX_HTTP_MODULE;
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277
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278 /* find the server configuration for the address:port */
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279
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280 /* AF_INET only */
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281
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190
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282 hip = c->listening->servers;
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142
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283 hia = hip->addrs;
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284
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285 r->port = hip->port;
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286 r->port_text = &hip->port_text;
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0
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287
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288 i = 0;
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289
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142
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290 if (hip->naddrs > 1) {
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0
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291
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292 /*
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293 * There are several addresses on this port and one of them
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294 * is the "*:port" wildcard so getsockname() is needed to determine
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295 * the server address.
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296 *
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297 * AcceptEx() already gave this address.
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298 */
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299
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10
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300 #if (NGX_WIN32)
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0
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301 if (c->local_sockaddr) {
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302 r->in_addr =
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303 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr;
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304
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28
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305 } else
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0
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306 #endif
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28
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307 {
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0
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308 len = sizeof(struct sockaddr_in);
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28
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309 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) {
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0
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310 ngx_connection_error(c, ngx_socket_errno,
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311 "getsockname() failed");
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312 ngx_http_close_connection(c);
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313 return;
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314 }
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315
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28
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316 r->in_addr = sin.sin_addr.s_addr;
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0
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317 }
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318
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190
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319 /* the last address is "*" */
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0
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320
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142
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321 for ( /* void */ ; i < hip->naddrs - 1; i++) {
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322 if (hia[i].addr == r->in_addr) {
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0
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323 break;
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324 }
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325 }
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326
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327 } else {
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142
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328 r->in_addr = hia[0].addr;
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0
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329 }
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330
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142
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331 r->virtual_names = hia[i].virtual_names;
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0
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332
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333 /* the default server configuration for the address:port */
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142
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334 cscf = hia[i].core_srv_conf;
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0
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335
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336 r->main_conf = cscf->ctx->main_conf;
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337 r->srv_conf = cscf->ctx->srv_conf;
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338 r->loc_conf = cscf->ctx->loc_conf;
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339
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142
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340 r->server_name = cscf->server_name;
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341
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58
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342 rev->handler = ngx_http_process_request_line;
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0
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343
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344 #if (NGX_HTTP_SSL)
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345
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346 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
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347 if (sscf->enable) {
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348
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349 if (c->ssl == NULL) {
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96
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350 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
56
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351 == NGX_ERROR)
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0
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352 {
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353 ngx_http_close_connection(c);
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354 return;
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355 }
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356
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58
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357 rev->handler = ngx_http_ssl_handshake;
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0
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358 }
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359
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62
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360 r->main_filter_need_in_memory = 1;
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0
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361 }
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362
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363 #endif
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364
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365 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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366 c->log->file = clcf->err_log->file;
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367 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
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368 c->log->log_level = clcf->err_log->log_level;
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369 }
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370
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371 if (c->buffer == NULL) {
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372 c->buffer = ngx_create_temp_buf(c->pool,
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373 cscf->client_header_buffer_size);
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374 if (c->buffer == NULL) {
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375 ngx_http_close_connection(c);
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376 return;
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377 }
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378 }
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379
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380 if (r->header_in == NULL) {
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381 r->header_in = c->buffer;
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382 }
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383
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50
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384 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
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385 if (r->pool == NULL) {
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0
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386 ngx_http_close_connection(c);
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387 return;
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388 }
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389
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390
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391 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
130
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392 sizeof(ngx_table_elt_t))
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393 == NGX_ERROR)
|
0
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394 {
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395 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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396 return;
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397 }
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398
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399 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
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400 if (r->ctx == NULL) {
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401 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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402 return;
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403 }
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404
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122
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405 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
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406
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407 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
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408 * sizeof(ngx_http_variable_value_t));
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409 if (r->variables == NULL) {
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410 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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411 return;
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412 }
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413
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0
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414 c->single_connection = 1;
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132
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415 c->destroyed = 0;
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416
|
0
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417 r->connection = c;
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418
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102
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419 r->main = r;
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420
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46
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421 r->start_time = ngx_time();
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422
|
180
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423 r->method = NGX_HTTP_UNKNOWN;
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424
|
0
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425 r->headers_in.content_length_n = -1;
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426 r->headers_in.keep_alive_n = -1;
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427 r->headers_out.content_length_n = -1;
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428 r->headers_out.last_modified_time = -1;
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429
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226
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430 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
431 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
432
|
0
|
433 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
434
|
54
|
435 ctx = c->log->data;
|
|
436 ctx->request = r;
|
214
|
437 ctx->current_request = r;
|
58
|
438 r->log_handler = ngx_http_log_error_handler;
|
54
|
439
|
0
|
440 #if (NGX_STAT_STUB)
|
110
|
441 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
26
|
442 r->stat_reading = 1;
|
110
|
443 ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
0
|
444 #endif
|
|
445
|
58
|
446 rev->handler(rev);
|
0
|
447 }
|
|
448
|
|
449
|
|
450 #if (NGX_HTTP_SSL)
|
|
451
|
50
|
452 static void
|
|
453 ngx_http_ssl_handshake(ngx_event_t *rev)
|
0
|
454 {
|
10
|
455 u_char buf[1];
|
|
456 ssize_t n;
|
0
|
457 ngx_int_t rc;
|
|
458 ngx_connection_t *c;
|
|
459 ngx_http_request_t *r;
|
|
460
|
|
461 c = rev->data;
|
|
462 r = c->data;
|
|
463
|
|
464 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
465 "http check ssl handshake");
|
|
466
|
|
467 if (rev->timedout) {
|
54
|
468 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
469 c->timedout = 1;
|
|
470 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
471 return;
|
|
472 }
|
|
473
|
132
|
474 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
0
|
475
|
|
476 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
477 return;
|
|
478 }
|
|
479
|
|
480 if (n == 1) {
|
|
481 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
482 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
10
|
483 "https ssl handshake: 0x%02Xd", buf[0]);
|
0
|
484
|
|
485 rc = ngx_ssl_handshake(c);
|
|
486
|
96
|
487 if (rc == NGX_AGAIN) {
|
|
488 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
0
|
489 return;
|
|
490 }
|
|
491
|
96
|
492 ngx_http_ssl_handshake_handler(c);
|
|
493
|
|
494 return;
|
0
|
495
|
|
496 } else {
|
|
497 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
498 "plain http");
|
|
499
|
|
500 r->plain_http = 1;
|
|
501 }
|
|
502 }
|
|
503
|
58
|
504 rev->handler = ngx_http_process_request_line;
|
0
|
505 ngx_http_process_request_line(rev);
|
|
506 }
|
|
507
|
96
|
508
|
|
509 static void
|
|
510 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
511 {
|
|
512 ngx_http_request_t *r;
|
|
513
|
|
514 if (c->ssl->handshaked) {
|
|
515
|
|
516 /*
|
|
517 * The majority of browsers do not send the "close notify" alert.
|
|
518 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
519 * and Links. And what is more, MSIE ignores the server's alert.
|
|
520 *
|
|
521 * Opera and recent Mozilla send the alert.
|
|
522 */
|
|
523
|
|
524 c->ssl->no_wait_shutdown = 1;
|
|
525
|
|
526 c->read->handler = ngx_http_process_request_line;
|
|
527 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
528
|
|
529 ngx_http_process_request_line(c->read);
|
|
530
|
|
531 return;
|
|
532 }
|
|
533
|
|
534 r = c->data;
|
|
535
|
|
536 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
537
|
|
538 return;
|
|
539 }
|
|
540
|
|
541
|
0
|
542 #endif
|
|
543
|
|
544
|
50
|
545 static void
|
|
546 ngx_http_process_request_line(ngx_event_t *rev)
|
0
|
547 {
|
|
548 ssize_t n;
|
|
549 ngx_int_t rc, rv;
|
|
550 ngx_connection_t *c;
|
|
551 ngx_http_request_t *r;
|
|
552
|
|
553 c = rev->data;
|
|
554 r = c->data;
|
|
555
|
|
556 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
557 "http process request line");
|
|
558
|
|
559 if (rev->timedout) {
|
54
|
560 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
561 c->timedout = 1;
|
|
562 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
563 return;
|
|
564 }
|
|
565
|
|
566 rc = NGX_AGAIN;
|
|
567
|
|
568 for ( ;; ) {
|
|
569
|
|
570 if (rc == NGX_AGAIN) {
|
|
571 n = ngx_http_read_request_header(r);
|
|
572
|
|
573 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
574 return;
|
|
575 }
|
|
576 }
|
|
577
|
|
578 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
579
|
|
580 if (rc == NGX_OK) {
|
|
581
|
|
582 /* the request line has been parsed successfully */
|
|
583
|
10
|
584 r->request_line.len = r->request_end - r->request_start;
|
|
585 r->request_line.data = r->request_start;
|
|
586
|
0
|
587
|
|
588 if (r->args_start) {
|
|
589 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
590 } else {
|
|
591 r->uri.len = r->uri_end - r->uri_start;
|
|
592 }
|
|
593
|
18
|
594
|
2
|
595 if (r->complex_uri || r->quoted_uri) {
|
10
|
596
|
50
|
597 r->uri.data = ngx_palloc(r->pool, r->uri.len + 1);
|
|
598 if (r->uri.data == NULL) {
|
10
|
599 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
600 return;
|
|
601 }
|
|
602
|
0
|
603 rc = ngx_http_parse_complex_uri(r);
|
|
604
|
54
|
605 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
606 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
607 "client sent invalid request");
|
|
608 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
609 return;
|
|
610 }
|
|
611
|
|
612 } else {
|
10
|
613 r->uri.data = r->uri_start;
|
0
|
614 }
|
|
615
|
18
|
616
|
10
|
617 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
618 r->unparsed_uri.data = r->uri_start;
|
|
619
|
0
|
620
|
58
|
621 r->method_name.len = r->method_end - r->request_start + 1;
|
|
622 r->method_name.data = r->request_line.data;
|
0
|
623
|
10
|
624
|
28
|
625 if (r->http_protocol.data) {
|
|
626 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
627 }
|
|
628
|
|
629
|
0
|
630 if (r->uri_ext) {
|
|
631 if (r->args_start) {
|
|
632 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
633 } else {
|
|
634 r->exten.len = r->uri_end - r->uri_ext;
|
|
635 }
|
|
636
|
10
|
637 r->exten.data = r->uri_ext;
|
0
|
638 }
|
|
639
|
10
|
640
|
0
|
641 if (r->args_start && r->uri_end > r->args_start) {
|
|
642 r->args.len = r->uri_end - r->args_start;
|
10
|
643 r->args.data = r->args_start;
|
0
|
644 }
|
|
645
|
10
|
646
|
|
647 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
648 "http request line: \"%V\"", &r->request_line);
|
|
649
|
0
|
650 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
651 "http uri: \"%V\"", &r->uri);
|
0
|
652
|
|
653 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
654 "http args: \"%V\"", &r->args);
|
0
|
655
|
|
656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
10
|
657 "http exten: \"%V\"", &r->exten);
|
|
658
|
0
|
659 if (r->http_version < NGX_HTTP_VERSION_10) {
|
86
|
660
|
|
661 if (rev->timer_set) {
|
|
662 ngx_del_timer(rev);
|
|
663 }
|
|
664
|
|
665 #if (NGX_STAT_STUB)
|
110
|
666 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
86
|
667 r->stat_reading = 0;
|
110
|
668 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
86
|
669 r->stat_writing = 1;
|
|
670 #endif
|
|
671
|
|
672 rev->handler = ngx_http_request_handler;
|
|
673 c->write->handler = ngx_http_request_handler;
|
58
|
674 r->read_event_handler = ngx_http_block_read;
|
86
|
675
|
0
|
676 ngx_http_handler(r);
|
86
|
677
|
0
|
678 return;
|
|
679 }
|
|
680
|
|
681
|
|
682 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
130
|
683 sizeof(ngx_table_elt_t))
|
|
684 == NGX_ERROR)
|
0
|
685 {
|
|
686 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
687 return;
|
|
688 }
|
|
689
|
|
690
|
48
|
691 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
130
|
692 sizeof(ngx_table_elt_t *))
|
|
693 == NGX_ERROR)
|
0
|
694 {
|
|
695 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
696 return;
|
|
697 }
|
|
698
|
32
|
699 c->log->action = "reading client request headers";
|
0
|
700
|
58
|
701 rev->handler = ngx_http_process_request_headers;
|
0
|
702 ngx_http_process_request_headers(rev);
|
|
703
|
|
704 return;
|
54
|
705 }
|
|
706
|
|
707 if (rc != NGX_AGAIN) {
|
0
|
708
|
|
709 /* there was error while a request line parsing */
|
|
710
|
54
|
711 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
712 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
713 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
714 return;
|
|
715 }
|
|
716
|
|
717 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
718
|
|
719 if (r->header_in->pos == r->header_in->end) {
|
|
720
|
|
721 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
722
|
|
723 if (rv == NGX_ERROR) {
|
|
724 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
725 return;
|
|
726 }
|
|
727
|
|
728 if (rv == NGX_DECLINED) {
|
54
|
729 r->request_line.len = r->header_in->end - r->request_start;
|
|
730 r->request_line.data = r->request_start;
|
|
731
|
|
732 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
733 "client sent too long URI");
|
|
734 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
0
|
735 return;
|
|
736 }
|
|
737 }
|
|
738 }
|
|
739 }
|
|
740
|
|
741
|
50
|
742 static void
|
|
743 ngx_http_process_request_headers(ngx_event_t *rev)
|
0
|
744 {
|
56
|
745 ssize_t n;
|
|
746 ngx_int_t rc, rv;
|
|
747 ngx_str_t header;
|
198
|
748 ngx_uint_t i;
|
58
|
749 ngx_table_elt_t *h;
|
56
|
750 ngx_connection_t *c;
|
|
751 ngx_http_header_t *hh;
|
|
752 ngx_http_request_t *r;
|
60
|
753 ngx_http_core_srv_conf_t *cscf;
|
56
|
754 ngx_http_core_main_conf_t *cmcf;
|
0
|
755
|
|
756 c = rev->data;
|
|
757 r = c->data;
|
|
758
|
|
759 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
760 "http process request header line");
|
|
761
|
|
762 if (rev->timedout) {
|
54
|
763 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
764 c->timedout = 1;
|
|
765 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
766 return;
|
|
767 }
|
|
768
|
56
|
769 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
60
|
770 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
56
|
771
|
0
|
772 rc = NGX_AGAIN;
|
|
773
|
|
774 for ( ;; ) {
|
|
775
|
|
776 if (rc == NGX_AGAIN) {
|
|
777
|
|
778 if (r->header_in->pos == r->header_in->end) {
|
|
779
|
|
780 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
781
|
|
782 if (rv == NGX_ERROR) {
|
|
783 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
784 return;
|
|
785 }
|
|
786
|
|
787 if (rv == NGX_DECLINED) {
|
54
|
788 header.len = r->header_in->end - r->header_name_start;
|
|
789 header.data = r->header_name_start;
|
80
|
790
|
|
791 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
792 header.len = NGX_MAX_ERROR_STR - 300;
|
|
793 header.data[header.len++] = '.';
|
|
794 header.data[header.len++] = '.';
|
|
795 header.data[header.len++] = '.';
|
|
796 }
|
|
797
|
54
|
798 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
799 "client sent too long header line: \"%V\"",
|
|
800 &header);
|
|
801 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
802 return;
|
|
803 }
|
|
804 }
|
|
805
|
|
806 n = ngx_http_read_request_header(r);
|
|
807
|
|
808 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
809 return;
|
|
810 }
|
|
811 }
|
|
812
|
|
813 rc = ngx_http_parse_header_line(r, r->header_in);
|
|
814
|
|
815 if (rc == NGX_OK) {
|
|
816
|
60
|
817 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
52
|
818
|
|
819 /* there was error while a header line parsing */
|
|
820
|
|
821 header.len = r->header_end - r->header_name_start;
|
|
822 header.data = r->header_name_start;
|
|
823
|
54
|
824 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
825 "client sent invalid header line: \"%V\"",
|
52
|
826 &header);
|
|
827 continue;
|
|
828 }
|
|
829
|
0
|
830 /* a header line has been parsed successfully */
|
|
831
|
50
|
832 h = ngx_list_push(&r->headers_in.headers);
|
|
833 if (h == NULL) {
|
0
|
834 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
835 return;
|
|
836 }
|
|
837
|
56
|
838 h->hash = r->header_hash;
|
|
839
|
0
|
840 h->key.len = r->header_name_end - r->header_name_start;
|
|
841 h->key.data = r->header_name_start;
|
|
842 h->key.data[h->key.len] = '\0';
|
|
843
|
|
844 h->value.len = r->header_end - r->header_start;
|
|
845 h->value.data = r->header_start;
|
|
846 h->value.data[h->value.len] = '\0';
|
|
847
|
198
|
848 h->lowcase_key = ngx_palloc(r->pool, h->key.len);
|
|
849 if (h->lowcase_key == NULL) {
|
|
850 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
851 return;
|
|
852 }
|
|
853
|
|
854 if (h->key.len == r->lowcase_index) {
|
|
855 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
856
|
|
857 } else {
|
|
858 for (i = 0; i < h->key.len; i++) {
|
216
|
859 h->lowcase_key[i] = ngx_tolower(h->key.data[i]);
|
0
|
860 }
|
|
861 }
|
|
862
|
198
|
863 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
864 h->lowcase_key, h->key.len);
|
|
865
|
|
866 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
867 return;
|
|
868 }
|
|
869
|
0
|
870 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
871 "http header: \"%V: %V\"",
|
|
872 &h->key, &h->value);
|
0
|
873
|
|
874 continue;
|
54
|
875 }
|
|
876
|
|
877 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
0
|
878
|
|
879 /* a whole header has been parsed successfully */
|
|
880
|
|
881 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
882 "http header done");
|
|
883
|
24
|
884 r->request_length += r->header_in->pos - r->header_in->start;
|
|
885
|
0
|
886 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
887
|
|
888 rc = ngx_http_process_request_header(r);
|
|
889
|
|
890 if (rc != NGX_OK) {
|
|
891 return;
|
|
892 }
|
|
893
|
|
894 if (rev->timer_set) {
|
|
895 ngx_del_timer(rev);
|
|
896 }
|
|
897
|
|
898 #if (NGX_STAT_STUB)
|
110
|
899 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
0
|
900 r->stat_reading = 0;
|
110
|
901 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
0
|
902 r->stat_writing = 1;
|
|
903 #endif
|
|
904
|
58
|
905 rev->handler = ngx_http_request_handler;
|
|
906 c->write->handler = ngx_http_request_handler;
|
|
907 r->read_event_handler = ngx_http_block_read;
|
|
908
|
0
|
909 ngx_http_handler(r);
|
86
|
910
|
0
|
911 return;
|
54
|
912 }
|
|
913
|
|
914 if (rc == NGX_AGAIN) {
|
|
915
|
|
916 /* a header line parsing is still not complete */
|
|
917
|
|
918 continue;
|
0
|
919 }
|
|
920
|
54
|
921 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
922
|
|
923 header.len = r->header_end - r->header_name_start;
|
|
924 header.data = r->header_name_start;
|
|
925 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
926 "client sent invalid header line: \"%V\\r...\"",
|
|
927 &header);
|
|
928 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
929 return;
|
0
|
930 }
|
|
931 }
|
|
932
|
|
933
|
50
|
934 static ssize_t
|
|
935 ngx_http_read_request_header(ngx_http_request_t *r)
|
0
|
936 {
|
|
937 ssize_t n;
|
|
938 ngx_event_t *rev;
|
230
|
939 ngx_connection_t *c;
|
0
|
940 ngx_http_core_srv_conf_t *cscf;
|
|
941
|
230
|
942 c = r->connection;
|
|
943 rev = c->read;
|
0
|
944
|
|
945 n = r->header_in->last - r->header_in->pos;
|
|
946
|
|
947 if (n > 0) {
|
|
948 return n;
|
|
949 }
|
|
950
|
72
|
951 if (rev->ready) {
|
230
|
952 n = c->recv(c, r->header_in->last,
|
|
953 r->header_in->end - r->header_in->last);
|
72
|
954 } else {
|
|
955 n = NGX_AGAIN;
|
0
|
956 }
|
|
957
|
|
958 if (n == NGX_AGAIN) {
|
|
959 if (!r->header_timeout_set) {
|
|
960 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
961 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
962 r->header_timeout_set = 1;
|
|
963 }
|
|
964
|
|
965 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
966 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
967 return NGX_ERROR;
|
|
968 }
|
|
969
|
|
970 return NGX_AGAIN;
|
|
971 }
|
|
972
|
|
973 if (n == 0) {
|
230
|
974 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
0
|
975 "client closed prematurely connection");
|
|
976 }
|
|
977
|
|
978 if (n == 0 || n == NGX_ERROR) {
|
272
|
979 c->error = 1;
|
|
980 c->log->action = "reading client request headers";
|
|
981
|
|
982 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
0
|
983 return NGX_ERROR;
|
|
984 }
|
|
985
|
|
986 r->header_in->last += n;
|
|
987
|
|
988 return n;
|
|
989 }
|
|
990
|
|
991
|
50
|
992 static ngx_int_t
|
|
993 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
994 ngx_uint_t request_line)
|
0
|
995 {
|
|
996 u_char *old, *new;
|
|
997 ngx_buf_t *b;
|
|
998 ngx_http_connection_t *hc;
|
|
999 ngx_http_core_srv_conf_t *cscf;
|
|
1000
|
|
1001 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1002 "http alloc large header buffer");
|
|
1003
|
|
1004 if (request_line && r->state == 0) {
|
|
1005
|
|
1006 /* the client fills up the buffer with "\r\n" */
|
|
1007
|
24
|
1008 r->request_length += r->header_in->end - r->header_in->start;
|
|
1009
|
0
|
1010 r->header_in->pos = r->header_in->start;
|
|
1011 r->header_in->last = r->header_in->start;
|
|
1012
|
|
1013 return NGX_OK;
|
|
1014 }
|
|
1015
|
|
1016 old = request_line ? r->request_start : r->header_name_start;
|
|
1017
|
|
1018 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1019
|
|
1020 if (r->state != 0
|
|
1021 && (size_t) (r->header_in->pos - old)
|
|
1022 >= cscf->large_client_header_buffers.size)
|
|
1023 {
|
|
1024 return NGX_DECLINED;
|
|
1025 }
|
|
1026
|
|
1027 hc = r->http_connection;
|
|
1028
|
|
1029 if (hc->nfree) {
|
|
1030 b = hc->free[--hc->nfree];
|
|
1031
|
|
1032 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
1033 "http large header free: %p %uz",
|
0
|
1034 b->pos, b->end - b->last);
|
|
1035
|
|
1036 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
1037
|
|
1038 if (hc->busy == NULL) {
|
|
1039 hc->busy = ngx_palloc(r->connection->pool,
|
|
1040 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
1041 if (hc->busy == NULL) {
|
|
1042 return NGX_ERROR;
|
|
1043 }
|
|
1044 }
|
|
1045
|
|
1046 b = ngx_create_temp_buf(r->connection->pool,
|
|
1047 cscf->large_client_header_buffers.size);
|
|
1048 if (b == NULL) {
|
|
1049 return NGX_ERROR;
|
|
1050 }
|
|
1051
|
|
1052 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
10
|
1053 "http large header alloc: %p %uz",
|
0
|
1054 b->pos, b->end - b->last);
|
|
1055
|
|
1056 } else {
|
|
1057 return NGX_DECLINED;
|
|
1058 }
|
|
1059
|
|
1060 hc->busy[hc->nbusy++] = b;
|
|
1061
|
|
1062 if (r->state == 0) {
|
|
1063 /*
|
|
1064 * r->state == 0 means that a header line was parsed successfully
|
|
1065 * and we do not need to copy incomplete header line and
|
|
1066 * to relocate the parser header pointers
|
|
1067 */
|
|
1068
|
24
|
1069 r->request_length += r->header_in->end - r->header_in->start;
|
|
1070
|
0
|
1071 r->header_in = b;
|
|
1072
|
|
1073 return NGX_OK;
|
|
1074 }
|
|
1075
|
|
1076 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1077 "http large header copy: %d", r->header_in->pos - old);
|
|
1078
|
24
|
1079 r->request_length += old - r->header_in->start;
|
|
1080
|
0
|
1081 new = b->start;
|
|
1082
|
|
1083 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
1084
|
|
1085 b->pos = new + (r->header_in->pos - old);
|
|
1086 b->last = new + (r->header_in->pos - old);
|
|
1087
|
|
1088 if (request_line) {
|
|
1089 r->request_start = new;
|
|
1090
|
|
1091 if (r->request_end) {
|
|
1092 r->request_end = new + (r->request_end - old);
|
|
1093 }
|
|
1094
|
|
1095 r->method_end = new + (r->method_end - old);
|
|
1096
|
|
1097 r->uri_start = new + (r->uri_start - old);
|
|
1098 r->uri_end = new + (r->uri_end - old);
|
|
1099
|
|
1100 if (r->schema_start) {
|
|
1101 r->schema_start = new + (r->schema_start - old);
|
|
1102 r->schema_end = new + (r->schema_end - old);
|
|
1103 }
|
|
1104
|
|
1105 if (r->host_start) {
|
|
1106 r->host_start = new + (r->host_start - old);
|
270
|
1107 if (r->host_end) {
|
|
1108 r->host_end = new + (r->host_end - old);
|
|
1109 }
|
0
|
1110 }
|
|
1111
|
|
1112 if (r->port_start) {
|
|
1113 r->port_start = new + (r->port_start - old);
|
|
1114 r->port_end = new + (r->port_end - old);
|
|
1115 }
|
|
1116
|
|
1117 if (r->uri_ext) {
|
|
1118 r->uri_ext = new + (r->uri_ext - old);
|
|
1119 }
|
|
1120
|
|
1121 if (r->args_start) {
|
|
1122 r->args_start = new + (r->args_start - old);
|
|
1123 }
|
|
1124
|
|
1125 } else {
|
|
1126 r->header_name_start = new;
|
|
1127 r->header_name_end = new + (r->header_name_end - old);
|
|
1128 r->header_start = new + (r->header_start - old);
|
|
1129 r->header_end = new + (r->header_end - old);
|
|
1130 }
|
|
1131
|
|
1132 r->header_in = b;
|
|
1133
|
|
1134 return NGX_OK;
|
|
1135 }
|
|
1136
|
|
1137
|
50
|
1138 static ngx_int_t
|
58
|
1139 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1140 ngx_uint_t offset)
|
|
1141 {
|
|
1142 ngx_table_elt_t **ph;
|
|
1143
|
|
1144 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
1145
|
|
1146 if (*ph == NULL) {
|
|
1147 *ph = h;
|
|
1148 }
|
|
1149
|
|
1150 return NGX_OK;
|
|
1151 }
|
|
1152
|
|
1153
|
|
1154 static ngx_int_t
|
72
|
1155 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1156 ngx_uint_t offset)
|
|
1157 {
|
|
1158 ngx_table_elt_t **ph;
|
|
1159
|
|
1160 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
1161
|
|
1162 if (*ph == NULL) {
|
|
1163 *ph = h;
|
|
1164 return NGX_OK;
|
|
1165 }
|
|
1166
|
|
1167 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
230
|
1168 "client sent duplicate header line: \"%V: %V\", "
|
|
1169 "previous value: \"%V: %V\"",
|
|
1170 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
72
|
1171
|
|
1172 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
1173
|
|
1174 return NGX_ERROR;
|
|
1175 }
|
|
1176
|
|
1177
|
|
1178 static ngx_int_t
|
58
|
1179 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
1180 ngx_uint_t offset)
|
|
1181 {
|
|
1182 ngx_table_elt_t **cookie;
|
|
1183
|
|
1184 cookie = ngx_array_push(&r->headers_in.cookies);
|
72
|
1185 if (cookie) {
|
|
1186 *cookie = h;
|
|
1187 return NGX_OK;
|
58
|
1188 }
|
|
1189
|
72
|
1190 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
1191
|
|
1192 return NGX_ERROR;
|
58
|
1193 }
|
|
1194
|
|
1195
|
|
1196 static ngx_int_t
|
50
|
1197 ngx_http_process_request_header(ngx_http_request_t *r)
|
0
|
1198 {
|
196
|
1199 size_t len;
|
|
1200 u_char *ua, *user_agent, ch;
|
198
|
1201 ngx_uint_t hash;
|
196
|
1202 #if (NGX_HTTP_SSL)
|
|
1203 long rc;
|
|
1204 ngx_http_ssl_srv_conf_t *sscf;
|
|
1205 #endif
|
0
|
1206
|
|
1207 if (r->headers_in.host) {
|
198
|
1208
|
|
1209 hash = 0;
|
|
1210
|
0
|
1211 for (len = 0; len < r->headers_in.host->value.len; len++) {
|
26
|
1212 ch = r->headers_in.host->value.data[len];
|
|
1213
|
|
1214 if (ch == ':') {
|
0
|
1215 break;
|
|
1216 }
|
26
|
1217
|
198
|
1218 ch = ngx_tolower(ch);
|
|
1219 r->headers_in.host->value.data[len] = ch;
|
|
1220 hash = ngx_hash(hash, ch);
|
0
|
1221 }
|
54
|
1222
|
198
|
1223 if (len && r->headers_in.host->value.data[len - 1] == '.') {
|
58
|
1224 len--;
|
198
|
1225 hash = ngx_hash_key(r->headers_in.host->value.data, len);
|
58
|
1226 }
|
|
1227
|
0
|
1228 r->headers_in.host_name_len = len;
|
|
1229
|
198
|
1230 if (r->virtual_names) {
|
|
1231 ngx_http_find_virtual_server(r, r->virtual_names, hash);
|
|
1232 }
|
0
|
1233
|
|
1234 } else {
|
|
1235 if (r->http_version > NGX_HTTP_VERSION_10) {
|
54
|
1236 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1237 "client sent HTTP/1.1 request without \"Host\" header");
|
|
1238 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
1239 return NGX_ERROR;
|
0
|
1240 }
|
54
|
1241
|
0
|
1242 r->headers_in.host_name_len = 0;
|
|
1243 }
|
|
1244
|
|
1245 if (r->headers_in.content_length) {
|
|
1246 r->headers_in.content_length_n =
|
212
|
1247 ngx_atoof(r->headers_in.content_length->value.data,
|
0
|
1248 r->headers_in.content_length->value.len);
|
|
1249
|
|
1250 if (r->headers_in.content_length_n == NGX_ERROR) {
|
54
|
1251 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1252 "client sent invalid \"Content-Length\" header");
|
130
|
1253 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
54
|
1254 return NGX_ERROR;
|
0
|
1255 }
|
|
1256 }
|
|
1257
|
188
|
1258 if (r->method & (NGX_HTTP_POST|NGX_HTTP_PUT)
|
|
1259 && r->headers_in.content_length_n == -1)
|
|
1260 {
|
54
|
1261 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1262 "client sent POST method without \"Content-Length\" header");
|
130
|
1263 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
1264 return NGX_ERROR;
|
|
1265 }
|
|
1266
|
|
1267 if (r->headers_in.transfer_encoding
|
|
1268 && ngx_strstr(r->headers_in.transfer_encoding->value.data, "chunked"))
|
|
1269 {
|
|
1270 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1271 "client sent \"Transfer-Encoding: chunked\" header");
|
|
1272 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
54
|
1273 return NGX_ERROR;
|
0
|
1274 }
|
|
1275
|
|
1276 if (r->plain_http) {
|
54
|
1277 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1278 "client sent plain HTTP request to HTTPS port");
|
|
1279 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
1280 return NGX_ERROR;
|
0
|
1281 }
|
|
1282
|
|
1283 if (r->headers_in.connection) {
|
|
1284 if (r->headers_in.connection->value.len == 5
|
|
1285 && ngx_strcasecmp(r->headers_in.connection->value.data, "close")
|
58
|
1286 == 0)
|
0
|
1287 {
|
|
1288 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
1289
|
|
1290 } else if (r->headers_in.connection->value.len == 10
|
|
1291 && ngx_strcasecmp(r->headers_in.connection->value.data,
|
58
|
1292 "keep-alive") == 0)
|
0
|
1293 {
|
|
1294 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
1295
|
|
1296 if (r->headers_in.keep_alive) {
|
|
1297 r->headers_in.keep_alive_n =
|
50
|
1298 ngx_atotm(r->headers_in.keep_alive->value.data,
|
0
|
1299 r->headers_in.keep_alive->value.len);
|
|
1300 }
|
|
1301 }
|
|
1302 }
|
|
1303
|
|
1304 if (r->headers_in.user_agent) {
|
|
1305
|
|
1306 /*
|
|
1307 * check some widespread browsers while the headers are still
|
|
1308 * in CPU cache
|
|
1309 */
|
|
1310
|
|
1311 user_agent = r->headers_in.user_agent->value.data;
|
|
1312
|
|
1313 ua = (u_char *) ngx_strstr(user_agent, "MSIE");
|
|
1314
|
|
1315 if (ua && ua + 8 < user_agent + r->headers_in.user_agent->value.len) {
|
|
1316
|
|
1317 r->headers_in.msie = 1;
|
|
1318
|
|
1319 if (ua[4] == ' ' && ua[5] == '4' && ua[6] == '.') {
|
|
1320 r->headers_in.msie4 = 1;
|
|
1321 }
|
|
1322
|
|
1323 #if 0
|
|
1324 /* MSIE ignores the SSL "close notify" alert */
|
22
|
1325 if (c->ssl) {
|
96
|
1326 c->ssl->no_send_shutdown = 1;
|
22
|
1327 }
|
0
|
1328 #endif
|
|
1329 }
|
|
1330
|
|
1331 if (ngx_strstr(user_agent, "Opera")) {
|
|
1332 r->headers_in.opera = 1;
|
|
1333 r->headers_in.msie = 0;
|
|
1334 r->headers_in.msie4 = 0;
|
|
1335 }
|
|
1336
|
|
1337 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
1338
|
|
1339 if (ngx_strstr(user_agent, "Gecko/")) {
|
|
1340 r->headers_in.gecko = 1;
|
|
1341
|
|
1342 } else if (ngx_strstr(user_agent, "Konqueror")) {
|
|
1343 r->headers_in.konqueror = 1;
|
|
1344 }
|
|
1345 }
|
|
1346 }
|
|
1347
|
218
|
1348 #if (NGX_HTTP_SSL)
|
|
1349
|
|
1350 if (r->connection->ssl) {
|
|
1351 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
1352
|
|
1353 if (sscf->verify) {
|
|
1354 rc = SSL_get_verify_result(r->connection->ssl->connection);
|
|
1355
|
|
1356 if (rc != X509_V_OK) {
|
|
1357 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
220
|
1358 "client SSL certificate verify error: (%l:%s)",
|
218
|
1359 rc, X509_verify_cert_error_string(rc));
|
|
1360 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
1361 return NGX_ERROR;
|
|
1362 }
|
|
1363
|
|
1364 if (SSL_get_peer_certificate(r->connection->ssl->connection)
|
|
1365 == NULL)
|
|
1366 {
|
|
1367 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
1368 "client sent no required SSL certificate");
|
|
1369 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
1370 return NGX_ERROR;
|
|
1371 }
|
|
1372 }
|
|
1373 }
|
|
1374
|
|
1375 #endif
|
|
1376
|
0
|
1377 return NGX_OK;
|
|
1378 }
|
|
1379
|
|
1380
|
162
|
1381 static void
|
198
|
1382 ngx_http_find_virtual_server(ngx_http_request_t *r,
|
|
1383 ngx_http_virtual_names_t *vn, ngx_uint_t hash)
|
26
|
1384 {
|
142
|
1385 size_t len;
|
|
1386 u_char *host;
|
|
1387 ngx_http_core_loc_conf_t *clcf;
|
|
1388 ngx_http_core_srv_conf_t *cscf;
|
|
1389
|
258
|
1390 host = r->host_start;
|
|
1391
|
|
1392 if (host == NULL) {
|
|
1393 host = r->headers_in.host->value.data;
|
|
1394 len = r->headers_in.host_name_len;
|
|
1395
|
|
1396 } else {
|
|
1397 len = r->host_end - host;
|
|
1398 }
|
142
|
1399
|
|
1400 if (vn->hash.buckets) {
|
198
|
1401 cscf = ngx_hash_find(&vn->hash, hash, host, len);
|
142
|
1402 if (cscf) {
|
58
|
1403 goto found;
|
26
|
1404 }
|
|
1405 }
|
|
1406
|
142
|
1407 if (vn->dns_wildcards && vn->dns_wildcards->hash.buckets) {
|
|
1408 cscf = ngx_hash_find_wildcard(vn->dns_wildcards, host, len);
|
|
1409
|
|
1410 if (cscf) {
|
|
1411 goto found;
|
26
|
1412 }
|
|
1413 }
|
|
1414
|
212
|
1415 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1416
|
|
1417 if (cscf->wildcard) {
|
|
1418 r->server_name.len = len;
|
|
1419 r->server_name.data = host;
|
|
1420 }
|
|
1421
|
162
|
1422 return;
|
58
|
1423
|
|
1424 found:
|
|
1425
|
142
|
1426 r->server_name.len = len;
|
|
1427 r->server_name.data = host;
|
|
1428
|
|
1429 r->srv_conf = cscf->ctx->srv_conf;
|
|
1430 r->loc_conf = cscf->ctx->loc_conf;
|
58
|
1431
|
|
1432 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1433 r->connection->log->file = clcf->err_log->file;
|
|
1434
|
|
1435 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
1436 r->connection->log->log_level = clcf->err_log->log_level;
|
26
|
1437 }
|
|
1438
|
162
|
1439 return;
|
26
|
1440 }
|
|
1441
|
|
1442
|
58
|
1443 static void
|
|
1444 ngx_http_request_handler(ngx_event_t *ev)
|
|
1445 {
|
|
1446 ngx_connection_t *c;
|
|
1447 ngx_http_request_t *r;
|
214
|
1448 ngx_http_log_ctx_t *ctx;
|
58
|
1449
|
|
1450 c = ev->data;
|
|
1451 r = c->data;
|
|
1452
|
214
|
1453 ctx = c->log->data;
|
|
1454 ctx->current_request = r;
|
|
1455
|
58
|
1456 if (ev->write) {
|
|
1457 r->write_event_handler(r);
|
|
1458
|
|
1459 } else {
|
|
1460 r->read_event_handler(r);
|
|
1461 }
|
|
1462 }
|
|
1463
|
|
1464
|
50
|
1465 void
|
58
|
1466 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
0
|
1467 {
|
58
|
1468 ngx_http_request_t *pr;
|
214
|
1469 ngx_http_log_ctx_t *ctx;
|
0
|
1470 ngx_http_core_loc_conf_t *clcf;
|
|
1471
|
58
|
1472 if (rc == NGX_DONE) {
|
118
|
1473 /* the request pool may be already destroyed */
|
58
|
1474 return;
|
|
1475 }
|
|
1476
|
132
|
1477 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1478 "http finalize request: %d, \"%V?%V\"",
|
|
1479 rc, &r->uri, &r->args);
|
|
1480
|
230
|
1481 if (rc == NGX_DECLINED) {
|
|
1482 r->content_handler = NULL;
|
|
1483 r->write_event_handler = ngx_http_core_run_phases;
|
|
1484 ngx_http_core_run_phases(r);
|
|
1485 return;
|
|
1486 }
|
|
1487
|
248
|
1488 if (r != r->main && r->post_subrequest) {
|
|
1489 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
216
|
1490 }
|
|
1491
|
162
|
1492 if (rc == NGX_ERROR
|
|
1493 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
1494 || r->connection->error)
|
|
1495 {
|
190
|
1496 if (rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
1497 && r->headers_out.status == 0)
|
|
1498 {
|
|
1499 r->headers_out.status = NGX_HTTP_CLIENT_CLOSED_REQUEST;
|
|
1500 }
|
|
1501
|
162
|
1502 if (ngx_http_post_action(r) == NGX_OK) {
|
|
1503 return;
|
|
1504 }
|
|
1505
|
118
|
1506 ngx_http_close_request(r, 0);
|
0
|
1507 return;
|
|
1508 }
|
|
1509
|
186
|
1510 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
1511 || rc == NGX_HTTP_CREATED
|
|
1512 || rc == NGX_HTTP_NO_CONTENT)
|
|
1513 {
|
136
|
1514 if (rc == NGX_HTTP_CLOSE) {
|
|
1515 ngx_http_close_request(r, rc);
|
|
1516 return;
|
|
1517 }
|
|
1518
|
146
|
1519 if (r == r->main) {
|
118
|
1520 if (r->connection->read->timer_set) {
|
|
1521 ngx_del_timer(r->connection->read);
|
|
1522 }
|
|
1523
|
|
1524 if (r->connection->write->timer_set) {
|
|
1525 ngx_del_timer(r->connection->write);
|
|
1526 }
|
|
1527 }
|
|
1528
|
|
1529 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
1530 return;
|
|
1531 }
|
|
1532
|
146
|
1533 if (r != r->main || rc == NGX_AGAIN) {
|
74
|
1534 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
1535 return;
|
|
1536 }
|
58
|
1537 }
|
|
1538
|
|
1539 r->done = 1;
|
|
1540
|
|
1541 if (r != r->connection->data) {
|
132
|
1542 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1543 "http finalize non-active request: \"%V?%V\"",
|
|
1544 &r->uri, &r->args);
|
58
|
1545 return;
|
|
1546 }
|
|
1547
|
146
|
1548 if (r != r->main) {
|
58
|
1549
|
|
1550 pr = r->parent;
|
|
1551
|
132
|
1552 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1553 "http parent request: \"%V?%V\"", &pr->uri, &pr->args);
|
76
|
1554
|
58
|
1555 if (rc != NGX_AGAIN) {
|
146
|
1556 r->connection->data = pr;
|
58
|
1557 }
|
|
1558
|
214
|
1559 ctx = r->connection->log->data;
|
|
1560 ctx->current_request = pr;
|
|
1561
|
58
|
1562 if (pr->postponed) {
|
|
1563
|
132
|
1564 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1565 "http request: \"%V?%V\" has postponed",
|
|
1566 &pr->uri, &pr->args);
|
76
|
1567
|
58
|
1568 if (rc != NGX_AGAIN && pr->postponed->request == r) {
|
|
1569 pr->postponed = pr->postponed->next;
|
146
|
1570 }
|
|
1571
|
|
1572 if (r->fast_subrequest) {
|
194
|
1573
|
|
1574 if (rc == NGX_AGAIN) {
|
|
1575 r->fast_subrequest = 0;
|
|
1576 }
|
|
1577
|
146
|
1578 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1579 "http fast subrequest: \"%V?%V\" done",
|
|
1580 &r->uri, &r->args);
|
|
1581 return;
|
58
|
1582 }
|
|
1583
|
194
|
1584 if (rc != NGX_AGAIN) {
|
|
1585 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1586 "http wake parent request: \"%V?%V\"",
|
|
1587 &pr->uri, &pr->args);
|
|
1588
|
|
1589 pr->write_event_handler(pr);
|
|
1590 }
|
58
|
1591 }
|
|
1592
|
|
1593 return;
|
|
1594 }
|
0
|
1595
|
118
|
1596 if (rc == NGX_AGAIN) {
|
0
|
1597 return;
|
76
|
1598 }
|
|
1599
|
146
|
1600 if (r->connection->buffered) {
|
74
|
1601 (void) ngx_http_set_write_handler(r);
|
0
|
1602 return;
|
|
1603 }
|
|
1604
|
178
|
1605 if (!r->post_action) {
|
|
1606 r->request_complete = 1;
|
|
1607 }
|
|
1608
|
162
|
1609 if (ngx_http_post_action(r) == NGX_OK) {
|
126
|
1610 return;
|
|
1611 }
|
|
1612
|
0
|
1613 if (r->connection->read->timer_set) {
|
|
1614 ngx_del_timer(r->connection->read);
|
|
1615 }
|
|
1616
|
|
1617 if (r->connection->write->timer_set) {
|
|
1618 r->connection->write->delayed = 0;
|
|
1619 ngx_del_timer(r->connection->write);
|
|
1620 }
|
|
1621
|
138
|
1622 if (r->connection->destroyed) {
|
|
1623 return;
|
|
1624 }
|
|
1625
|
162
|
1626 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
0
|
1627
|
|
1628 if (!ngx_terminate
|
|
1629 && !ngx_exiting
|
|
1630 && r->keepalive != 0
|
|
1631 && clcf->keepalive_timeout > 0)
|
|
1632 {
|
|
1633 ngx_http_set_keepalive(r);
|
|
1634 return;
|
|
1635
|
|
1636 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
1637 ngx_http_set_lingering_close(r);
|
|
1638 return;
|
|
1639 }
|
|
1640
|
|
1641 ngx_http_close_request(r, 0);
|
|
1642 }
|
|
1643
|
|
1644
|
74
|
1645 static ngx_int_t
|
50
|
1646 ngx_http_set_write_handler(ngx_http_request_t *r)
|
0
|
1647 {
|
|
1648 ngx_event_t *wev;
|
|
1649 ngx_http_core_loc_conf_t *clcf;
|
|
1650
|
58
|
1651 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
1652
|
74
|
1653 r->write_event_handler = ngx_http_writer;
|
|
1654
|
0
|
1655 wev = r->connection->write;
|
|
1656
|
|
1657 if (wev->ready && wev->delayed) {
|
74
|
1658 return NGX_OK;
|
0
|
1659 }
|
|
1660
|
58
|
1661 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
0
|
1662 if (!wev->delayed) {
|
|
1663 ngx_add_timer(wev, clcf->send_timeout);
|
|
1664 }
|
|
1665
|
2
|
1666 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
0
|
1667 ngx_http_close_request(r, 0);
|
74
|
1668 return NGX_ERROR;
|
0
|
1669 }
|
74
|
1670
|
|
1671 return NGX_OK;
|
0
|
1672 }
|
|
1673
|
|
1674
|
58
|
1675 static void
|
|
1676 ngx_http_writer(ngx_http_request_t *r)
|
0
|
1677 {
|
|
1678 int rc;
|
58
|
1679 ngx_event_t *wev;
|
0
|
1680 ngx_connection_t *c;
|
|
1681 ngx_http_core_loc_conf_t *clcf;
|
|
1682
|
58
|
1683 c = r->connection;
|
|
1684 wev = c->write;
|
|
1685
|
132
|
1686 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
1687 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
0
|
1688
|
|
1689 if (wev->timedout) {
|
|
1690 if (!wev->delayed) {
|
54
|
1691 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
1692 "client timed out");
|
|
1693 c->timedout = 1;
|
116
|
1694
|
162
|
1695 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
0
|
1696 return;
|
|
1697 }
|
|
1698
|
|
1699 wev->timedout = 0;
|
|
1700 wev->delayed = 0;
|
|
1701
|
|
1702 if (!wev->ready) {
|
102
|
1703 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
0
|
1704 ngx_add_timer(wev, clcf->send_timeout);
|
|
1705
|
2
|
1706 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
118
|
1707 ngx_http_close_request(r, 0);
|
0
|
1708 }
|
|
1709
|
|
1710 return;
|
|
1711 }
|
|
1712
|
|
1713 } else {
|
|
1714 if (wev->delayed) {
|
|
1715 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
1716 "http writer delayed");
|
|
1717
|
102
|
1718 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
2
|
1719
|
|
1720 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
118
|
1721 ngx_http_close_request(r, 0);
|
0
|
1722 }
|
|
1723
|
|
1724 return;
|
|
1725 }
|
|
1726 }
|
|
1727
|
132
|
1728 rc = ngx_http_output_filter(r, NULL);
|
|
1729
|
|
1730 if (c->destroyed) {
|
|
1731 return;
|
58
|
1732 }
|
|
1733
|
132
|
1734 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
1735 "http writer output filter: %d, \"%V?%V\"",
|
|
1736 rc, &r->uri, &r->args);
|
0
|
1737
|
|
1738 if (rc == NGX_AGAIN) {
|
102
|
1739 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
0
|
1740 if (!wev->ready && !wev->delayed) {
|
|
1741 ngx_add_timer(wev, clcf->send_timeout);
|
|
1742 }
|
|
1743
|
2
|
1744 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
118
|
1745 ngx_http_close_request(r, 0);
|
0
|
1746 }
|
|
1747
|
254
|
1748 if (r == r->main || r->buffered) {
|
146
|
1749 return;
|
|
1750 }
|
|
1751
|
|
1752 rc = NGX_OK;
|
0
|
1753 }
|
|
1754
|
132
|
1755 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
1756 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
0
|
1757
|
|
1758 ngx_http_finalize_request(r, rc);
|
|
1759 }
|
|
1760
|
|
1761
|
50
|
1762 static void
|
58
|
1763 ngx_http_block_read(ngx_http_request_t *r)
|
0
|
1764 {
|
58
|
1765 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1766 "http read blocked");
|
0
|
1767
|
|
1768 /* aio does not call this handler */
|
|
1769
|
58
|
1770 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
1771 && r->connection->read->active)
|
|
1772 {
|
|
1773 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0)
|
|
1774 == NGX_ERROR)
|
|
1775 {
|
0
|
1776 ngx_http_close_request(r, 0);
|
|
1777 }
|
|
1778 }
|
|
1779 }
|
|
1780
|
|
1781
|
50
|
1782 static void
|
|
1783 ngx_http_set_keepalive(ngx_http_request_t *r)
|
0
|
1784 {
|
2
|
1785 int tcp_nodelay;
|
0
|
1786 ngx_int_t i;
|
|
1787 ngx_buf_t *b, *f;
|
|
1788 ngx_event_t *rev, *wev;
|
|
1789 ngx_connection_t *c;
|
|
1790 ngx_http_connection_t *hc;
|
|
1791 ngx_http_core_srv_conf_t *cscf;
|
|
1792 ngx_http_core_loc_conf_t *clcf;
|
|
1793
|
|
1794 c = r->connection;
|
|
1795 rev = c->read;
|
|
1796
|
|
1797 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
1798
|
32
|
1799 c->log->action = "closing request";
|
0
|
1800
|
|
1801 hc = r->http_connection;
|
|
1802 b = r->header_in;
|
|
1803
|
|
1804 if (b->pos < b->last) {
|
|
1805
|
|
1806 /* the pipelined request */
|
|
1807
|
|
1808 if (b != c->buffer) {
|
|
1809
|
4
|
1810 /*
|
|
1811 * If the large header buffers were allocated while the previous
|
|
1812 * request processing then we do not use c->buffer for
|
|
1813 * the pipelined request (see ngx_http_init_request()).
|
126
|
1814 *
|
4
|
1815 * Now we would move the large header buffers to the free list.
|
|
1816 */
|
0
|
1817
|
|
1818 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
1819
|
|
1820 if (hc->free == NULL) {
|
|
1821 hc->free = ngx_palloc(c->pool,
|
|
1822 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
1823
|
|
1824 if (hc->free == NULL) {
|
26
|
1825 ngx_http_close_request(r, 0);
|
0
|
1826 return;
|
|
1827 }
|
|
1828 }
|
|
1829
|
|
1830 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
1831 f = hc->busy[i];
|
|
1832 hc->free[hc->nfree++] = f;
|
|
1833 f->pos = f->start;
|
|
1834 f->last = f->start;
|
|
1835 }
|
|
1836
|
|
1837 hc->busy[0] = b;
|
|
1838 hc->nbusy = 1;
|
|
1839 }
|
|
1840 }
|
|
1841
|
26
|
1842 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1843
|
118
|
1844 ngx_http_request_done(r, 0);
|
|
1845
|
0
|
1846 c->data = hc;
|
|
1847
|
|
1848 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
1849
|
58
|
1850 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
0
|
1851 ngx_http_close_connection(c);
|
|
1852 return;
|
|
1853 }
|
|
1854
|
|
1855 wev = c->write;
|
58
|
1856 wev->handler = ngx_http_empty_handler;
|
0
|
1857
|
|
1858 if (b->pos < b->last) {
|
|
1859
|
|
1860 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
1861
|
116
|
1862 #if (NGX_STAT_STUB)
|
|
1863 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
1864 #endif
|
|
1865
|
0
|
1866 hc->pipeline = 1;
|
32
|
1867 c->log->action = "reading client pipelined request line";
|
116
|
1868
|
0
|
1869 ngx_http_init_request(rev);
|
|
1870 return;
|
|
1871 }
|
|
1872
|
|
1873 hc->pipeline = 0;
|
|
1874
|
4
|
1875 /*
|
|
1876 * To keep a memory footprint as small as possible for an idle
|
|
1877 * keepalive connection we try to free the ngx_http_request_t and
|
|
1878 * c->buffer's memory if they were allocated outside the c->pool.
|
|
1879 * The large header buffers are always allocated outside the c->pool and
|
|
1880 * are freed too.
|
|
1881 */
|
|
1882
|
0
|
1883 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
1884 hc->request = NULL;
|
|
1885 }
|
|
1886
|
|
1887 b = c->buffer;
|
|
1888
|
|
1889 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
4
|
1890
|
|
1891 /*
|
|
1892 * the special note for ngx_http_keepalive_handler() that
|
|
1893 * c->buffer's memory was freed
|
|
1894 */
|
|
1895
|
0
|
1896 b->pos = NULL;
|
|
1897
|
|
1898 } else {
|
|
1899 b->pos = b->start;
|
|
1900 b->last = b->start;
|
|
1901 }
|
|
1902
|
10
|
1903 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
0
|
1904 hc->free, hc->nfree);
|
|
1905
|
|
1906 if (hc->free) {
|
|
1907 for (i = 0; i < hc->nfree; i++) {
|
|
1908 ngx_pfree(c->pool, hc->free[i]);
|
|
1909 hc->free[i] = NULL;
|
|
1910 }
|
|
1911
|
|
1912 hc->nfree = 0;
|
|
1913 }
|
|
1914
|
10
|
1915 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
0
|
1916 hc->busy, hc->nbusy);
|
|
1917
|
|
1918 if (hc->busy) {
|
|
1919 for (i = 0; i < hc->nbusy; i++) {
|
|
1920 ngx_pfree(c->pool, hc->busy[i]);
|
|
1921 hc->busy[i] = NULL;
|
|
1922 }
|
|
1923
|
|
1924 hc->nbusy = 0;
|
|
1925 }
|
|
1926
|
58
|
1927 rev->handler = ngx_http_keepalive_handler;
|
0
|
1928
|
132
|
1929 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
1930 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
1931 ngx_http_close_connection(c);
|
|
1932 return;
|
0
|
1933 }
|
|
1934 }
|
|
1935
|
32
|
1936 c->log->action = "keepalive";
|
0
|
1937
|
|
1938 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
50
|
1939 if (ngx_tcp_push(c->fd) == -1) {
|
0
|
1940 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
1941 ngx_http_close_connection(c);
|
|
1942 return;
|
|
1943 }
|
2
|
1944
|
0
|
1945 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
22
|
1946 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
2
|
1947
|
|
1948 } else {
|
22
|
1949 tcp_nodelay = 1;
|
|
1950 }
|
|
1951
|
32
|
1952 if (tcp_nodelay
|
|
1953 && clcf->tcp_nodelay
|
|
1954 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
1955 {
|
22
|
1956 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
1957
|
|
1958 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
184
|
1959 (const void *) &tcp_nodelay, sizeof(int))
|
|
1960 == -1)
|
22
|
1961 {
|
|
1962 ngx_connection_error(c, ngx_socket_errno,
|
|
1963 "setsockopt(TCP_NODELAY) failed");
|
|
1964 ngx_http_close_connection(c);
|
|
1965 return;
|
2
|
1966 }
|
22
|
1967
|
32
|
1968 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
0
|
1969 }
|
|
1970
|
|
1971 #if 0
|
4
|
1972 /* if ngx_http_request_t was freed then we need some other place */
|
0
|
1973 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
1974 #endif
|
|
1975
|
|
1976 if (rev->ready) {
|
|
1977 ngx_http_keepalive_handler(rev);
|
|
1978 }
|
|
1979 }
|
|
1980
|
|
1981
|
50
|
1982 static void
|
|
1983 ngx_http_keepalive_handler(ngx_event_t *rev)
|
0
|
1984 {
|
50
|
1985 size_t size;
|
|
1986 ssize_t n;
|
|
1987 ngx_buf_t *b;
|
|
1988 ngx_connection_t *c;
|
0
|
1989
|
|
1990 c = rev->data;
|
|
1991
|
|
1992 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
1993
|
|
1994 if (rev->timedout) {
|
|
1995 ngx_http_close_connection(c);
|
|
1996 return;
|
|
1997 }
|
|
1998
|
18
|
1999 #if (NGX_HAVE_KQUEUE)
|
0
|
2000
|
4
|
2001 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
136
|
2002 if (rev->pending_eof) {
|
32
|
2003 c->log->handler = NULL;
|
0
|
2004 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
10
|
2005 "kevent() reported that client %V closed "
|
32
|
2006 "keepalive connection", &c->addr_text);
|
22
|
2007 #if (NGX_HTTP_SSL)
|
|
2008 if (c->ssl) {
|
96
|
2009 c->ssl->no_send_shutdown = 1;
|
22
|
2010 }
|
|
2011 #endif
|
0
|
2012 ngx_http_close_connection(c);
|
|
2013 return;
|
|
2014 }
|
|
2015 }
|
|
2016
|
|
2017 #endif
|
|
2018
|
|
2019 b = c->buffer;
|
|
2020 size = b->end - b->start;
|
|
2021
|
|
2022 if (b->pos == NULL) {
|
4
|
2023
|
|
2024 /*
|
|
2025 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
2026 * However, the c->buffer->start and c->buffer->end were not changed
|
|
2027 * to keep the buffer size.
|
|
2028 */
|
|
2029
|
50
|
2030 b->pos = ngx_palloc(c->pool, size);
|
|
2031 if (b->pos == NULL) {
|
0
|
2032 ngx_http_close_connection(c);
|
|
2033 return;
|
|
2034 }
|
|
2035
|
|
2036 b->start = b->pos;
|
|
2037 b->last = b->pos;
|
|
2038 b->end = b->pos + size;
|
|
2039 }
|
|
2040
|
|
2041 /*
|
|
2042 * MSIE closes a keepalive connection with RST flag
|
|
2043 * so we ignore ECONNRESET here.
|
|
2044 */
|
|
2045
|
|
2046 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
2047 ngx_set_socket_errno(0);
|
|
2048
|
|
2049 n = c->recv(c, b->last, size);
|
|
2050 c->log_error = NGX_ERROR_INFO;
|
|
2051
|
|
2052 if (n == NGX_AGAIN) {
|
58
|
2053 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
24
|
2054 ngx_http_close_connection(c);
|
|
2055 }
|
|
2056
|
0
|
2057 return;
|
|
2058 }
|
|
2059
|
|
2060 if (n == NGX_ERROR) {
|
|
2061 ngx_http_close_connection(c);
|
|
2062 return;
|
|
2063 }
|
|
2064
|
32
|
2065 c->log->handler = NULL;
|
0
|
2066
|
|
2067 if (n == 0) {
|
|
2068 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
32
|
2069 "client %V closed keepalive connection", &c->addr_text);
|
0
|
2070 ngx_http_close_connection(c);
|
|
2071 return;
|
|
2072 }
|
|
2073
|
|
2074 b->last += n;
|
32
|
2075
|
116
|
2076 #if (NGX_STAT_STUB)
|
|
2077 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
2078 #endif
|
|
2079
|
32
|
2080 c->log->handler = ngx_http_log_error;
|
|
2081 c->log->action = "reading client request line";
|
0
|
2082
|
|
2083 ngx_http_init_request(rev);
|
|
2084 }
|
|
2085
|
|
2086
|
50
|
2087 static void
|
|
2088 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
126
|
2089 {
|
0
|
2090 ngx_event_t *rev, *wev;
|
|
2091 ngx_connection_t *c;
|
|
2092 ngx_http_core_loc_conf_t *clcf;
|
|
2093
|
|
2094 c = r->connection;
|
|
2095
|
|
2096 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2097
|
|
2098 rev = c->read;
|
58
|
2099 rev->handler = ngx_http_lingering_close_handler;
|
0
|
2100
|
106
|
2101 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
0
|
2102 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
2103
|
58
|
2104 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
0
|
2105 ngx_http_close_request(r, 0);
|
|
2106 return;
|
|
2107 }
|
|
2108
|
|
2109 wev = c->write;
|
58
|
2110 wev->handler = ngx_http_empty_handler;
|
0
|
2111
|
132
|
2112 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
2113 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
2114 ngx_http_close_request(r, 0);
|
|
2115 return;
|
0
|
2116 }
|
|
2117 }
|
|
2118
|
|
2119 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
2120 ngx_connection_error(c, ngx_socket_errno,
|
|
2121 ngx_shutdown_socket_n " failed");
|
|
2122 ngx_http_close_request(r, 0);
|
|
2123 return;
|
|
2124 }
|
|
2125
|
|
2126 if (rev->ready) {
|
|
2127 ngx_http_lingering_close_handler(rev);
|
|
2128 }
|
|
2129 }
|
|
2130
|
|
2131
|
50
|
2132 static void
|
|
2133 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
0
|
2134 {
|
|
2135 ssize_t n;
|
|
2136 ngx_msec_t timer;
|
|
2137 ngx_connection_t *c;
|
|
2138 ngx_http_request_t *r;
|
|
2139 ngx_http_core_loc_conf_t *clcf;
|
|
2140 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
2141
|
|
2142 c = rev->data;
|
|
2143 r = c->data;
|
|
2144
|
|
2145 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
2146 "http lingering close handler");
|
|
2147
|
|
2148 if (rev->timedout) {
|
126
|
2149 c->timedout = 1;
|
0
|
2150 ngx_http_close_request(r, 0);
|
|
2151 return;
|
|
2152 }
|
|
2153
|
|
2154 timer = r->lingering_time - ngx_time();
|
|
2155 if (timer <= 0) {
|
|
2156 ngx_http_close_request(r, 0);
|
|
2157 return;
|
|
2158 }
|
|
2159
|
|
2160 do {
|
|
2161 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
2162
|
|
2163 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
2164
|
|
2165 if (n == NGX_ERROR || n == 0) {
|
|
2166 ngx_http_close_request(r, 0);
|
|
2167 return;
|
|
2168 }
|
|
2169
|
|
2170 } while (rev->ready);
|
|
2171
|
58
|
2172 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
26
|
2173 ngx_http_close_request(r, 0);
|
24
|
2174 return;
|
|
2175 }
|
|
2176
|
0
|
2177 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2178
|
|
2179 timer *= 1000;
|
|
2180
|
|
2181 if (timer > clcf->lingering_timeout) {
|
|
2182 timer = clcf->lingering_timeout;
|
|
2183 }
|
|
2184
|
|
2185 ngx_add_timer(rev, timer);
|
|
2186 }
|
|
2187
|
|
2188
|
50
|
2189 void
|
|
2190 ngx_http_empty_handler(ngx_event_t *wev)
|
0
|
2191 {
|
|
2192 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
2193
|
|
2194 return;
|
|
2195 }
|
|
2196
|
|
2197
|
58
|
2198 void
|
|
2199 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
2200 {
|
|
2201 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
132
|
2202 "http request empty handler");
|
58
|
2203
|
|
2204 return;
|
|
2205 }
|
|
2206
|
|
2207
|
50
|
2208 ngx_int_t
|
130
|
2209 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
0
|
2210 {
|
|
2211 ngx_buf_t *b;
|
|
2212 ngx_chain_t out;
|
|
2213
|
50
|
2214 b = ngx_calloc_buf(r->pool);
|
|
2215 if (b == NULL) {
|
0
|
2216 return NGX_ERROR;
|
|
2217 }
|
|
2218
|
130
|
2219 if (flags & NGX_HTTP_LAST) {
|
|
2220 b->last_buf = 1;
|
|
2221 }
|
|
2222
|
|
2223 if (flags & NGX_HTTP_FLUSH) {
|
|
2224 b->flush = 1;
|
|
2225 }
|
|
2226
|
0
|
2227 out.buf = b;
|
|
2228 out.next = NULL;
|
|
2229
|
|
2230 return ngx_http_output_filter(r, &out);
|
|
2231 }
|
|
2232
|
|
2233
|
162
|
2234 static ngx_int_t
|
|
2235 ngx_http_post_action(ngx_http_request_t *r)
|
|
2236 {
|
|
2237 ngx_http_core_loc_conf_t *clcf;
|
|
2238
|
|
2239 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2240
|
|
2241 if (clcf->post_action.data == NULL) {
|
|
2242 return NGX_DECLINED;
|
|
2243 }
|
|
2244
|
172
|
2245 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
2246 "post action: \"%V\"", &clcf->post_action);
|
|
2247
|
162
|
2248 r->http_version = NGX_HTTP_VERSION_9;
|
|
2249 r->header_only = 1;
|
178
|
2250 r->post_action = 1;
|
162
|
2251
|
262
|
2252 r->read_event_handler = ngx_http_block_read;
|
|
2253
|
162
|
2254 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
2255
|
|
2256 return NGX_OK;
|
|
2257 }
|
|
2258
|
|
2259
|
|
2260 static void
|
58
|
2261 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
0
|
2262 {
|
188
|
2263 ngx_connection_t *c;
|
118
|
2264
|
|
2265 c = r->connection;
|
188
|
2266
|
|
2267 ngx_http_request_done(r->main, error);
|
118
|
2268 ngx_http_close_connection(c);
|
|
2269 }
|
|
2270
|
|
2271
|
162
|
2272 static void
|
118
|
2273 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
2274 {
|
|
2275 ngx_log_t *log;
|
130
|
2276 ngx_uint_t i, n;
|
118
|
2277 struct linger linger;
|
188
|
2278 ngx_http_cleanup_t *cln;
|
118
|
2279 ngx_http_log_ctx_t *ctx;
|
130
|
2280 ngx_http_handler_pt *log_handler;
|
118
|
2281 ngx_http_core_loc_conf_t *clcf;
|
|
2282 ngx_http_core_main_conf_t *cmcf;
|
0
|
2283
|
|
2284 log = r->connection->log;
|
|
2285
|
|
2286 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
2287
|
|
2288 if (r->pool == NULL) {
|
80
|
2289 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
0
|
2290 return;
|
|
2291 }
|
|
2292
|
188
|
2293 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
2294 if (cln->handler) {
|
|
2295 cln->handler(cln->data);
|
|
2296 }
|
|
2297 }
|
|
2298
|
0
|
2299 #if (NGX_STAT_STUB)
|
116
|
2300
|
0
|
2301 if (r->stat_reading) {
|
110
|
2302 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
0
|
2303 }
|
|
2304
|
|
2305 if (r->stat_writing) {
|
110
|
2306 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
0
|
2307 }
|
116
|
2308
|
0
|
2309 #endif
|
|
2310
|
|
2311 if (error && r->headers_out.status == 0) {
|
|
2312 r->headers_out.status = error;
|
|
2313 }
|
|
2314
|
118
|
2315 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
2316
|
130
|
2317 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
2318 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
2319 for (i = 0; i < n; i++) {
|
|
2320 log_handler[i](r);
|
118
|
2321 }
|
0
|
2322
|
|
2323 if (r->connection->timedout) {
|
|
2324 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
2325
|
|
2326 if (clcf->reset_timedout_connection) {
|
58
|
2327 linger.l_onoff = 1;
|
|
2328 linger.l_linger = 0;
|
0
|
2329
|
|
2330 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
58
|
2331 (const void *) &linger, sizeof(struct linger)) == -1)
|
0
|
2332 {
|
|
2333 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
2334 "setsockopt(SO_LINGER) failed");
|
|
2335 }
|
|
2336 }
|
|
2337 }
|
|
2338
|
58
|
2339 /* the various request strings were allocated from r->pool */
|
0
|
2340 ctx = log->data;
|
10
|
2341 ctx->request = NULL;
|
0
|
2342
|
|
2343 r->request_line.len = 0;
|
|
2344
|
132
|
2345 r->connection->destroyed = 1;
|
|
2346
|
0
|
2347 ngx_destroy_pool(r->pool);
|
|
2348 }
|
|
2349
|
|
2350
|
80
|
2351 static void
|
50
|
2352 ngx_http_close_connection(ngx_connection_t *c)
|
0
|
2353 {
|
28
|
2354 ngx_pool_t *pool;
|
|
2355
|
0
|
2356 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
2357 "close http connection: %d", c->fd);
|
|
2358
|
88
|
2359 #if (NGX_HTTP_SSL)
|
2
|
2360
|
|
2361 if (c->ssl) {
|
|
2362 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
126
|
2363 c->ssl->handler = ngx_http_close_connection;
|
2
|
2364 return;
|
|
2365 }
|
|
2366 }
|
|
2367
|
|
2368 #endif
|
|
2369
|
0
|
2370 #if (NGX_STAT_STUB)
|
110
|
2371 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
0
|
2372 #endif
|
|
2373
|
132
|
2374 c->destroyed = 1;
|
|
2375
|
28
|
2376 pool = c->pool;
|
|
2377
|
0
|
2378 ngx_close_connection(c);
|
28
|
2379
|
50
|
2380 ngx_destroy_pool(pool);
|
0
|
2381 }
|
|
2382
|
|
2383
|
50
|
2384 static u_char *
|
|
2385 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
0
|
2386 {
|
32
|
2387 u_char *p;
|
54
|
2388 ngx_http_request_t *r;
|
32
|
2389 ngx_http_log_ctx_t *ctx;
|
10
|
2390
|
32
|
2391 if (log->action) {
|
58
|
2392 p = ngx_snprintf(buf, len, " while %s", log->action);
|
10
|
2393 len -= p - buf;
|
54
|
2394 buf = p;
|
10
|
2395 }
|
|
2396
|
58
|
2397 ctx = log->data;
|
|
2398
|
54
|
2399 p = ngx_snprintf(buf, len, ", client: %V", ctx->client);
|
58
|
2400 len -= p - buf;
|
54
|
2401
|
|
2402 r = ctx->request;
|
|
2403
|
58
|
2404 if (r) {
|
214
|
2405 return r->log_handler(r, ctx->current_request, p, len);
|
0
|
2406 }
|
10
|
2407
|
58
|
2408 return p;
|
|
2409 }
|
|
2410
|
|
2411
|
|
2412 static u_char *
|
214
|
2413 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
2414 u_char *buf, size_t len)
|
58
|
2415 {
|
260
|
2416 char *uri_separator;
|
|
2417 u_char *p;
|
|
2418 ngx_http_upstream_t *u;
|
54
|
2419
|
|
2420 if (r->server_name.data) {
|
|
2421 p = ngx_snprintf(buf, len, ", server: %V", &r->server_name);
|
52
|
2422 len -= p - buf;
|
54
|
2423 buf = p;
|
52
|
2424 }
|
|
2425
|
54
|
2426 if (r->unparsed_uri.data) {
|
|
2427 p = ngx_snprintf(buf, len, ", URL: \"%V\"", &r->unparsed_uri);
|
|
2428 len -= p - buf;
|
|
2429 buf = p;
|
|
2430
|
|
2431 } else {
|
|
2432 if (r->request_line.data == NULL && r->request_start) {
|
|
2433 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
2434 if (*p == CR || *p == LF) {
|
|
2435 break;
|
|
2436 }
|
|
2437 }
|
|
2438
|
|
2439 r->request_line.len = p - r->request_start;
|
|
2440 r->request_line.data = r->request_start;
|
|
2441 }
|
|
2442
|
|
2443 if (r->request_line.len) {
|
|
2444 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
2445 len -= p - buf;
|
|
2446 buf = p;
|
|
2447 }
|
10
|
2448 }
|
|
2449
|
214
|
2450 if (r != sr) {
|
|
2451 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
2452 len -= p - buf;
|
|
2453 buf = p;
|
|
2454 }
|
|
2455
|
|
2456 u = sr->upstream;
|
|
2457
|
260
|
2458 if (u && u->peer.name) {
|
|
2459
|
|
2460 uri_separator = "";
|
|
2461
|
|
2462 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
2463 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
2464 uri_separator = ":";
|
|
2465 }
|
|
2466 #endif
|
214
|
2467
|
|
2468 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
260
|
2469 &u->conf->schema, u->peer.name,
|
|
2470 uri_separator, &u->uri);
|
214
|
2471 len -= p - buf;
|
|
2472 buf = p;
|
|
2473 }
|
|
2474
|
54
|
2475 if (r->headers_in.host) {
|
|
2476 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
2477 &r->headers_in.host->value);
|
|
2478 len -= p - buf;
|
|
2479 buf = p;
|
|
2480 }
|
|
2481
|
|
2482 if (r->headers_in.referer) {
|
|
2483 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
2484 &r->headers_in.referer->value);
|
|
2485 buf = p;
|
|
2486 }
|
|
2487
|
|
2488 return buf;
|
|
2489 }
|