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