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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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426
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41 static void ngx_http_request_finalizer(ngx_http_request_t *r);
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58
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42
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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
|
|
426
|
1415 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1416 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1417 "client sent %V method without \"Content-Length\" header",
|
|
|
1418 &r->method_name);
|
|
130
|
1419 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1420 return NGX_ERROR;
|
|
|
1421 }
|
|
|
1422
|
|
336
|
1423 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1424 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1425 "client sent TRACE method");
|
|
|
1426 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1427 return NGX_ERROR;
|
|
|
1428 }
|
|
|
1429
|
|
130
|
1430 if (r->headers_in.transfer_encoding
|
|
340
|
1431 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1432 "chunked", 7 - 1))
|
|
130
|
1433 {
|
|
|
1434 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1435 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1436 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1437 return NGX_ERROR;
|
|
0
|
1438 }
|
|
|
1439
|
|
336
|
1440 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1441 if (r->headers_in.keep_alive) {
|
|
|
1442 r->headers_in.keep_alive_n =
|
|
|
1443 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1444 r->headers_in.keep_alive->value.len);
|
|
0
|
1445 }
|
|
|
1446 }
|
|
|
1447
|
|
308
|
1448 return NGX_OK;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451
|
|
|
1452 static void
|
|
|
1453 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1454 {
|
|
356
|
1455 ngx_connection_t *c;
|
|
308
|
1456
|
|
|
1457 c = r->connection;
|
|
|
1458
|
|
354
|
1459 if (r->plain_http) {
|
|
|
1460 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1461 "client sent plain HTTP request to HTTPS port");
|
|
|
1462 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1463 return;
|
|
|
1464 }
|
|
|
1465
|
|
308
|
1466 #if (NGX_HTTP_SSL)
|
|
|
1467
|
|
|
1468 if (c->ssl) {
|
|
356
|
1469 long rc;
|
|
372
|
1470 X509 *cert;
|
|
356
|
1471 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1472
|
|
218
|
1473 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1474
|
|
390
|
1475 if (sscf->verify == 1) {
|
|
308
|
1476 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1477
|
|
|
1478 if (rc != X509_V_OK) {
|
|
308
|
1479 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1480 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1481 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1482
|
|
|
1483 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1484 (SSL_get0_session(c->ssl->connection)));
|
|
|
1485
|
|
218
|
1486 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1487 return;
|
|
218
|
1488 }
|
|
|
1489
|
|
372
|
1490 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1491
|
|
|
1492 if (cert == NULL) {
|
|
308
|
1493 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
218
|
1494 "client sent no required SSL certificate");
|
|
366
|
1495
|
|
|
1496 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1497 (SSL_get0_session(c->ssl->connection)));
|
|
|
1498
|
|
218
|
1499 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
308
|
1500 return;
|
|
218
|
1501 }
|
|
372
|
1502
|
|
|
1503 X509_free(cert);
|
|
218
|
1504 }
|
|
|
1505 }
|
|
|
1506
|
|
|
1507 #endif
|
|
|
1508
|
|
308
|
1509 if (c->read->timer_set) {
|
|
|
1510 ngx_del_timer(c->read);
|
|
|
1511 }
|
|
|
1512
|
|
|
1513 #if (NGX_STAT_STUB)
|
|
|
1514 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
1515 r->stat_reading = 0;
|
|
|
1516 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
|
1517 r->stat_writing = 1;
|
|
|
1518 #endif
|
|
|
1519
|
|
|
1520 c->read->handler = ngx_http_request_handler;
|
|
|
1521 c->write->handler = ngx_http_request_handler;
|
|
326
|
1522 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1523
|
|
|
1524 ngx_http_handler(r);
|
|
|
1525
|
|
426
|
1526 ngx_http_run_posted_requests(c);
|
|
0
|
1527 }
|
|
|
1528
|
|
|
1529
|
|
376
|
1530 static ssize_t
|
|
|
1531 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1532 {
|
|
376
|
1533 u_char ch;
|
|
|
1534 size_t i, last;
|
|
|
1535 ngx_uint_t dot;
|
|
|
1536
|
|
|
1537 last = len;
|
|
|
1538 dot = 0;
|
|
|
1539
|
|
|
1540 for (i = 0; i < len; i++) {
|
|
|
1541 ch = host[i];
|
|
|
1542
|
|
|
1543 if (ch == '.') {
|
|
|
1544 if (dot) {
|
|
|
1545 return -1;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548 dot = 1;
|
|
|
1549 continue;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552 dot = 0;
|
|
|
1553
|
|
|
1554 if (ch == ':') {
|
|
|
1555 last = i;
|
|
|
1556 continue;
|
|
|
1557 }
|
|
|
1558
|
|
|
1559 if (ch == '/' || ch == '\0') {
|
|
|
1560 return -1;
|
|
|
1561 }
|
|
|
1562
|
|
|
1563 #if (NGX_WIN32)
|
|
|
1564 if (ch == '\\') {
|
|
|
1565 return -1;
|
|
|
1566 }
|
|
|
1567 #endif
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 if (dot) {
|
|
|
1571 last--;
|
|
|
1572 }
|
|
|
1573
|
|
|
1574 return last;
|
|
|
1575 }
|
|
|
1576
|
|
|
1577
|
|
|
1578 static ngx_int_t
|
|
|
1579 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1580 {
|
|
392
|
1581 u_char *server;
|
|
|
1582 ngx_uint_t hash;
|
|
142
|
1583 ngx_http_core_loc_conf_t *clcf;
|
|
|
1584 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1585 u_char buf[32];
|
|
|
1586
|
|
400
|
1587 if (r->virtual_names == NULL) {
|
|
376
|
1588 return NGX_DECLINED;
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 if (len <= 32) {
|
|
|
1592 server = buf;
|
|
|
1593
|
|
|
1594 } else {
|
|
382
|
1595 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1596 if (server == NULL) {
|
|
|
1597 return NGX_ERROR;
|
|
|
1598 }
|
|
|
1599 }
|
|
|
1600
|
|
392
|
1601 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1602
|
|
|
1603 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, server, len);
|
|
312
|
1604
|
|
|
1605 if (cscf) {
|
|
|
1606 goto found;
|
|
26
|
1607 }
|
|
|
1608
|
|
326
|
1609 #if (NGX_PCRE)
|
|
|
1610
|
|
|
1611 if (r->virtual_names->nregex) {
|
|
356
|
1612 ngx_int_t n;
|
|
|
1613 ngx_uint_t i;
|
|
|
1614 ngx_str_t name;
|
|
|
1615 ngx_http_server_name_t *sn;
|
|
326
|
1616
|
|
|
1617 name.len = len;
|
|
376
|
1618 name.data = server;
|
|
326
|
1619
|
|
|
1620 sn = r->virtual_names->regex;
|
|
|
1621
|
|
|
1622 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
|
1623
|
|
|
1624 n = ngx_regex_exec(sn[i].regex, &name, NULL, 0);
|
|
|
1625
|
|
|
1626 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1627 continue;
|
|
|
1628 }
|
|
|
1629
|
|
|
1630 if (n < 0) {
|
|
|
1631 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1632 ngx_regex_exec_n
|
|
|
1633 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1634 n, &name, &sn[i].name);
|
|
376
|
1635 return NGX_ERROR;
|
|
326
|
1636 }
|
|
|
1637
|
|
|
1638 /* match */
|
|
|
1639
|
|
|
1640 cscf = sn[i].core_srv_conf;
|
|
|
1641
|
|
|
1642 goto found;
|
|
|
1643 }
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 #endif
|
|
|
1647
|
|
376
|
1648 return NGX_OK;
|
|
58
|
1649
|
|
|
1650 found:
|
|
|
1651
|
|
142
|
1652 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1653 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1654
|
|
|
1655 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1656 r->connection->log->file = clcf->err_log->file;
|
|
|
1657
|
|
|
1658 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
1659 r->connection->log->log_level = clcf->err_log->log_level;
|
|
26
|
1660 }
|
|
|
1661
|
|
376
|
1662 return NGX_OK;
|
|
26
|
1663 }
|
|
|
1664
|
|
|
1665
|
|
58
|
1666 static void
|
|
|
1667 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1668 {
|
|
|
1669 ngx_connection_t *c;
|
|
|
1670 ngx_http_request_t *r;
|
|
214
|
1671 ngx_http_log_ctx_t *ctx;
|
|
58
|
1672
|
|
|
1673 c = ev->data;
|
|
|
1674 r = c->data;
|
|
|
1675
|
|
214
|
1676 ctx = c->log->data;
|
|
|
1677 ctx->current_request = r;
|
|
|
1678
|
|
426
|
1679 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1680 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1681
|
|
58
|
1682 if (ev->write) {
|
|
|
1683 r->write_event_handler(r);
|
|
|
1684
|
|
|
1685 } else {
|
|
|
1686 r->read_event_handler(r);
|
|
|
1687 }
|
|
426
|
1688
|
|
|
1689 ngx_http_run_posted_requests(c);
|
|
|
1690 }
|
|
|
1691
|
|
|
1692
|
|
|
1693 void
|
|
|
1694 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1695 {
|
|
|
1696 ngx_http_request_t *r;
|
|
|
1697 ngx_http_log_ctx_t *ctx;
|
|
|
1698 ngx_http_posted_request_t *pr;
|
|
|
1699
|
|
|
1700 for ( ;; ) {
|
|
|
1701
|
|
|
1702 if (c->destroyed) {
|
|
|
1703 return;
|
|
|
1704 }
|
|
|
1705
|
|
|
1706 r = c->data;
|
|
|
1707 pr = r->main->posted_requests;
|
|
|
1708
|
|
|
1709 if (pr == NULL) {
|
|
|
1710 return;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713 r->main->posted_requests = pr->next;
|
|
|
1714
|
|
|
1715 r = pr->request;
|
|
|
1716
|
|
|
1717 ctx = c->log->data;
|
|
|
1718 ctx->current_request = r;
|
|
|
1719
|
|
|
1720 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1721 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1722
|
|
|
1723 r->write_event_handler(r);
|
|
|
1724 }
|
|
|
1725 }
|
|
|
1726
|
|
|
1727
|
|
|
1728 ngx_int_t
|
|
|
1729 ngx_http_post_request(ngx_http_request_t *r)
|
|
|
1730 {
|
|
|
1731 ngx_http_posted_request_t *pr, **p;
|
|
|
1732
|
|
|
1733 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1734 if (pr == NULL) {
|
|
|
1735 return NGX_ERROR;
|
|
|
1736 }
|
|
|
1737
|
|
|
1738 pr->request = r;
|
|
|
1739 pr->next = NULL;
|
|
|
1740
|
|
|
1741 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1742
|
|
|
1743 *p = pr;
|
|
|
1744
|
|
|
1745 return NGX_OK;
|
|
58
|
1746 }
|
|
|
1747
|
|
|
1748
|
|
50
|
1749 void
|
|
58
|
1750 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1751 {
|
|
330
|
1752 ngx_connection_t *c;
|
|
58
|
1753 ngx_http_request_t *pr;
|
|
0
|
1754 ngx_http_core_loc_conf_t *clcf;
|
|
|
1755
|
|
58
|
1756 if (rc == NGX_DONE) {
|
|
118
|
1757 /* the request pool may be already destroyed */
|
|
58
|
1758 return;
|
|
|
1759 }
|
|
|
1760
|
|
330
|
1761 c = r->connection;
|
|
|
1762
|
|
426
|
1763 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1764 "http finalize request: %d, \"%V?%V\" %d",
|
|
|
1765 rc, &r->uri, &r->args, r == c->data);
|
|
132
|
1766
|
|
230
|
1767 if (rc == NGX_DECLINED) {
|
|
|
1768 r->content_handler = NULL;
|
|
|
1769 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1770 ngx_http_core_run_phases(r);
|
|
|
1771 return;
|
|
|
1772 }
|
|
|
1773
|
|
248
|
1774 if (r != r->main && r->post_subrequest) {
|
|
|
1775 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1776 }
|
|
|
1777
|
|
358
|
1778 if (rc == NGX_ERROR
|
|
|
1779 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1780 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1781 || c->error)
|
|
|
1782 {
|
|
282
|
1783 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1784 r->headers_out.status = rc;
|
|
190
|
1785 }
|
|
|
1786
|
|
162
|
1787 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1788 return;
|
|
|
1789 }
|
|
|
1790
|
|
118
|
1791 ngx_http_close_request(r, 0);
|
|
0
|
1792 return;
|
|
|
1793 }
|
|
|
1794
|
|
186
|
1795 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1796 || rc == NGX_HTTP_CREATED
|
|
|
1797 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1798 {
|
|
136
|
1799 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1800 ngx_http_close_request(r, rc);
|
|
|
1801 return;
|
|
|
1802 }
|
|
|
1803
|
|
146
|
1804 if (r == r->main) {
|
|
330
|
1805 if (c->read->timer_set) {
|
|
|
1806 ngx_del_timer(c->read);
|
|
118
|
1807 }
|
|
|
1808
|
|
330
|
1809 if (c->write->timer_set) {
|
|
|
1810 ngx_del_timer(c->write);
|
|
118
|
1811 }
|
|
|
1812 }
|
|
|
1813
|
|
410
|
1814 c->read->handler = ngx_http_request_handler;
|
|
|
1815 c->write->handler = ngx_http_request_handler;
|
|
|
1816
|
|
118
|
1817 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1818 return;
|
|
|
1819 }
|
|
|
1820
|
|
426
|
1821 if (r != r->main) {
|
|
|
1822
|
|
|
1823 if (r->buffered || r->postponed) {
|
|
|
1824
|
|
|
1825 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1826 ngx_http_close_request(r->main, 0);
|
|
|
1827 }
|
|
|
1828
|
|
74
|
1829 return;
|
|
|
1830 }
|
|
426
|
1831
|
|
|
1832 #if (NGX_DEBUG)
|
|
|
1833 if (r != c->data) {
|
|
|
1834 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1835 "http finalize non-active request: \"%V?%V\"",
|
|
|
1836 &r->uri, &r->args);
|
|
|
1837 }
|
|
|
1838 #endif
|
|
58
|
1839
|
|
|
1840 pr = r->parent;
|
|
|
1841
|
|
426
|
1842 if (r == c->data) {
|
|
|
1843
|
|
|
1844 if (!r->logged) {
|
|
|
1845
|
|
|
1846 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1847
|
|
|
1848 if (clcf->log_subrequest) {
|
|
|
1849 ngx_http_log_request(r);
|
|
|
1850 }
|
|
|
1851
|
|
|
1852 r->logged = 1;
|
|
|
1853
|
|
|
1854 } else {
|
|
|
1855 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1856 "subrequest: \"%V?%V\" logged again",
|
|
|
1857 &r->uri, &r->args);
|
|
|
1858 }
|
|
|
1859
|
|
|
1860 r->done = 1;
|
|
|
1861
|
|
|
1862 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1863 pr->postponed = pr->postponed->next;
|
|
|
1864 }
|
|
|
1865
|
|
|
1866 c->data = pr;
|
|
|
1867
|
|
|
1868 } else {
|
|
|
1869
|
|
|
1870 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1871
|
|
|
1872 if (r->waited) {
|
|
|
1873 r->done = 1;
|
|
|
1874 }
|
|
|
1875 }
|
|
|
1876
|
|
|
1877 if (ngx_http_post_request(pr) != NGX_OK) {
|
|
|
1878 ngx_http_close_request(r->main, 0);
|
|
|
1879 return;
|
|
|
1880 }
|
|
|
1881
|
|
330
|
1882 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
426
|
1883 "http wake parent request: \"%V?%V\"",
|
|
|
1884 &pr->uri, &pr->args);
|
|
|
1885
|
|
|
1886 ngx_http_run_posted_requests(c);
|
|
|
1887
|
|
|
1888 return;
|
|
|
1889 }
|
|
|
1890
|
|
|
1891 if (r->buffered || c->buffered || r->postponed) {
|
|
|
1892
|
|
|
1893 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1894 ngx_http_close_request(r, 0);
|
|
58
|
1895 }
|
|
|
1896
|
|
|
1897 return;
|
|
|
1898 }
|
|
0
|
1899
|
|
426
|
1900 if (r != c->data) {
|
|
|
1901 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1902 "http finalize non-active request: \"%V?%V\"",
|
|
|
1903 &r->uri, &r->args);
|
|
0
|
1904 return;
|
|
76
|
1905 }
|
|
|
1906
|
|
426
|
1907 r->done = 1;
|
|
0
|
1908
|
|
178
|
1909 if (!r->post_action) {
|
|
|
1910 r->request_complete = 1;
|
|
|
1911 }
|
|
|
1912
|
|
162
|
1913 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1914 return;
|
|
|
1915 }
|
|
|
1916
|
|
330
|
1917 if (c->read->timer_set) {
|
|
|
1918 ngx_del_timer(c->read);
|
|
|
1919 }
|
|
|
1920
|
|
|
1921 if (c->write->timer_set) {
|
|
|
1922 c->write->delayed = 0;
|
|
|
1923 ngx_del_timer(c->write);
|
|
0
|
1924 }
|
|
|
1925
|
|
330
|
1926 if (c->destroyed) {
|
|
|
1927 return;
|
|
0
|
1928 }
|
|
|
1929
|
|
330
|
1930 if (c->read->eof) {
|
|
|
1931 ngx_http_close_request(r, 0);
|
|
138
|
1932 return;
|
|
|
1933 }
|
|
|
1934
|
|
426
|
1935 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1936
|
|
0
|
1937 if (!ngx_terminate
|
|
|
1938 && !ngx_exiting
|
|
378
|
1939 && r->keepalive
|
|
0
|
1940 && clcf->keepalive_timeout > 0)
|
|
|
1941 {
|
|
|
1942 ngx_http_set_keepalive(r);
|
|
|
1943 return;
|
|
|
1944
|
|
|
1945 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
1946 ngx_http_set_lingering_close(r);
|
|
|
1947 return;
|
|
|
1948 }
|
|
|
1949
|
|
|
1950 ngx_http_close_request(r, 0);
|
|
|
1951 }
|
|
|
1952
|
|
|
1953
|
|
74
|
1954 static ngx_int_t
|
|
50
|
1955 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
1956 {
|
|
|
1957 ngx_event_t *wev;
|
|
|
1958 ngx_http_core_loc_conf_t *clcf;
|
|
|
1959
|
|
58
|
1960 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
1961
|
|
326
|
1962 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
1963 r->write_event_handler = ngx_http_writer;
|
|
|
1964
|
|
0
|
1965 wev = r->connection->write;
|
|
|
1966
|
|
|
1967 if (wev->ready && wev->delayed) {
|
|
74
|
1968 return NGX_OK;
|
|
0
|
1969 }
|
|
|
1970
|
|
58
|
1971 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
1972 if (!wev->delayed) {
|
|
|
1973 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1974 }
|
|
|
1975
|
|
2
|
1976 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
0
|
1977 ngx_http_close_request(r, 0);
|
|
74
|
1978 return NGX_ERROR;
|
|
0
|
1979 }
|
|
74
|
1980
|
|
|
1981 return NGX_OK;
|
|
0
|
1982 }
|
|
|
1983
|
|
|
1984
|
|
58
|
1985 static void
|
|
|
1986 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
1987 {
|
|
|
1988 int rc;
|
|
58
|
1989 ngx_event_t *wev;
|
|
0
|
1990 ngx_connection_t *c;
|
|
|
1991 ngx_http_core_loc_conf_t *clcf;
|
|
|
1992
|
|
58
|
1993 c = r->connection;
|
|
|
1994 wev = c->write;
|
|
|
1995
|
|
132
|
1996 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1997 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
1998
|
|
426
|
1999 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2000
|
|
0
|
2001 if (wev->timedout) {
|
|
|
2002 if (!wev->delayed) {
|
|
54
|
2003 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2004 "client timed out");
|
|
|
2005 c->timedout = 1;
|
|
116
|
2006
|
|
162
|
2007 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2008 return;
|
|
|
2009 }
|
|
|
2010
|
|
|
2011 wev->timedout = 0;
|
|
|
2012 wev->delayed = 0;
|
|
|
2013
|
|
|
2014 if (!wev->ready) {
|
|
|
2015 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2016
|
|
2
|
2017 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
2018 ngx_http_close_request(r, 0);
|
|
0
|
2019 }
|
|
|
2020
|
|
|
2021 return;
|
|
|
2022 }
|
|
|
2023
|
|
|
2024 } else {
|
|
|
2025 if (wev->delayed) {
|
|
|
2026 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2027 "http writer delayed");
|
|
|
2028
|
|
2
|
2029 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
2030 ngx_http_close_request(r, 0);
|
|
0
|
2031 }
|
|
|
2032
|
|
|
2033 return;
|
|
|
2034 }
|
|
|
2035 }
|
|
|
2036
|
|
132
|
2037 rc = ngx_http_output_filter(r, NULL);
|
|
|
2038
|
|
|
2039 if (c->destroyed) {
|
|
|
2040 return;
|
|
58
|
2041 }
|
|
|
2042
|
|
132
|
2043 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2044 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2045 rc, &r->uri, &r->args);
|
|
0
|
2046
|
|
426
|
2047 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2048
|
|
0
|
2049 if (!wev->ready && !wev->delayed) {
|
|
|
2050 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2051 }
|
|
|
2052
|
|
2
|
2053 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
2054 ngx_http_close_request(r, 0);
|
|
0
|
2055 }
|
|
|
2056
|
|
426
|
2057 return;
|
|
0
|
2058 }
|
|
|
2059
|
|
132
|
2060 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2061 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2062
|
|
|
2063 ngx_http_finalize_request(r, rc);
|
|
|
2064 }
|
|
|
2065
|
|
|
2066
|
|
426
|
2067 static void
|
|
|
2068 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2069 {
|
|
|
2070 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2071 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2072
|
|
|
2073 ngx_http_finalize_request(r, 0);
|
|
|
2074 }
|
|
|
2075
|
|
|
2076
|
|
326
|
2077 void
|
|
|
2078 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2079 {
|
|
318
|
2080 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2081 "http reading blocked");
|
|
318
|
2082
|
|
|
2083 /* aio does not call this handler */
|
|
|
2084
|
|
|
2085 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2086 && r->connection->read->active)
|
|
|
2087 {
|
|
|
2088 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0)
|
|
|
2089 == NGX_ERROR)
|
|
|
2090 {
|
|
|
2091 ngx_http_close_request(r, 0);
|
|
|
2092 }
|
|
|
2093 }
|
|
|
2094 }
|
|
|
2095
|
|
|
2096
|
|
416
|
2097 void
|
|
326
|
2098 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2099 {
|
|
276
|
2100 int n;
|
|
|
2101 char buf[1];
|
|
|
2102 ngx_err_t err;
|
|
|
2103 ngx_event_t *rev;
|
|
|
2104 ngx_connection_t *c;
|
|
|
2105
|
|
|
2106 c = r->connection;
|
|
|
2107 rev = c->read;
|
|
|
2108
|
|
326
|
2109 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2110
|
|
|
2111 #if (NGX_HAVE_KQUEUE)
|
|
|
2112
|
|
|
2113 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2114
|
|
|
2115 if (!rev->pending_eof) {
|
|
|
2116 return;
|
|
|
2117 }
|
|
|
2118
|
|
|
2119 rev->eof = 1;
|
|
|
2120 c->error = 1;
|
|
|
2121 err = rev->kq_errno;
|
|
|
2122
|
|
|
2123 goto closed;
|
|
|
2124 }
|
|
|
2125
|
|
|
2126 #endif
|
|
|
2127
|
|
|
2128 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2129
|
|
|
2130 if (n == 0) {
|
|
|
2131 rev->eof = 1;
|
|
|
2132 c->error = 1;
|
|
|
2133 err = 0;
|
|
|
2134
|
|
|
2135 goto closed;
|
|
|
2136
|
|
|
2137 } else if (n == -1) {
|
|
|
2138 err = ngx_socket_errno;
|
|
|
2139
|
|
|
2140 if (err != NGX_EAGAIN) {
|
|
|
2141 rev->eof = 1;
|
|
|
2142 c->error = 1;
|
|
|
2143
|
|
|
2144 goto closed;
|
|
|
2145 }
|
|
|
2146 }
|
|
0
|
2147
|
|
|
2148 /* aio does not call this handler */
|
|
|
2149
|
|
276
|
2150 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2151
|
|
|
2152 if (ngx_del_event(rev, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
0
|
2153 ngx_http_close_request(r, 0);
|
|
|
2154 }
|
|
|
2155 }
|
|
276
|
2156
|
|
|
2157 return;
|
|
|
2158
|
|
|
2159 closed:
|
|
|
2160
|
|
|
2161 if (err) {
|
|
|
2162 rev->error = 1;
|
|
|
2163 }
|
|
|
2164
|
|
|
2165 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2166 "client closed prematurely connection");
|
|
|
2167
|
|
286
|
2168 ngx_http_finalize_request(r, 0);
|
|
0
|
2169 }
|
|
|
2170
|
|
|
2171
|
|
50
|
2172 static void
|
|
|
2173 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2174 {
|
|
2
|
2175 int tcp_nodelay;
|
|
0
|
2176 ngx_int_t i;
|
|
|
2177 ngx_buf_t *b, *f;
|
|
|
2178 ngx_event_t *rev, *wev;
|
|
|
2179 ngx_connection_t *c;
|
|
|
2180 ngx_http_connection_t *hc;
|
|
|
2181 ngx_http_core_srv_conf_t *cscf;
|
|
|
2182 ngx_http_core_loc_conf_t *clcf;
|
|
|
2183
|
|
|
2184 c = r->connection;
|
|
|
2185 rev = c->read;
|
|
|
2186
|
|
326
|
2187 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2188
|
|
0
|
2189 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2190
|
|
326
|
2191 if (r->discard_body) {
|
|
|
2192 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2193 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2194 return;
|
|
|
2195 }
|
|
|
2196
|
|
32
|
2197 c->log->action = "closing request";
|
|
0
|
2198
|
|
|
2199 hc = r->http_connection;
|
|
|
2200 b = r->header_in;
|
|
|
2201
|
|
|
2202 if (b->pos < b->last) {
|
|
|
2203
|
|
|
2204 /* the pipelined request */
|
|
|
2205
|
|
|
2206 if (b != c->buffer) {
|
|
|
2207
|
|
4
|
2208 /*
|
|
|
2209 * If the large header buffers were allocated while the previous
|
|
|
2210 * request processing then we do not use c->buffer for
|
|
|
2211 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2212 *
|
|
4
|
2213 * Now we would move the large header buffers to the free list.
|
|
|
2214 */
|
|
0
|
2215
|
|
|
2216 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2217
|
|
|
2218 if (hc->free == NULL) {
|
|
|
2219 hc->free = ngx_palloc(c->pool,
|
|
|
2220 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2221
|
|
|
2222 if (hc->free == NULL) {
|
|
26
|
2223 ngx_http_close_request(r, 0);
|
|
0
|
2224 return;
|
|
|
2225 }
|
|
|
2226 }
|
|
|
2227
|
|
|
2228 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2229 f = hc->busy[i];
|
|
|
2230 hc->free[hc->nfree++] = f;
|
|
|
2231 f->pos = f->start;
|
|
|
2232 f->last = f->start;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 hc->busy[0] = b;
|
|
|
2236 hc->nbusy = 1;
|
|
|
2237 }
|
|
|
2238 }
|
|
|
2239
|
|
118
|
2240 ngx_http_request_done(r, 0);
|
|
|
2241
|
|
0
|
2242 c->data = hc;
|
|
|
2243
|
|
|
2244 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2245
|
|
58
|
2246 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
0
|
2247 ngx_http_close_connection(c);
|
|
|
2248 return;
|
|
|
2249 }
|
|
|
2250
|
|
|
2251 wev = c->write;
|
|
58
|
2252 wev->handler = ngx_http_empty_handler;
|
|
0
|
2253
|
|
|
2254 if (b->pos < b->last) {
|
|
|
2255
|
|
|
2256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2257
|
|
116
|
2258 #if (NGX_STAT_STUB)
|
|
|
2259 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2260 #endif
|
|
|
2261
|
|
0
|
2262 hc->pipeline = 1;
|
|
32
|
2263 c->log->action = "reading client pipelined request line";
|
|
116
|
2264
|
|
376
|
2265 rev->handler = ngx_http_init_request;
|
|
|
2266 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2267 return;
|
|
|
2268 }
|
|
|
2269
|
|
|
2270 hc->pipeline = 0;
|
|
|
2271
|
|
4
|
2272 /*
|
|
|
2273 * To keep a memory footprint as small as possible for an idle
|
|
|
2274 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2275 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2276 * The large header buffers are always allocated outside the c->pool and
|
|
|
2277 * are freed too.
|
|
|
2278 */
|
|
|
2279
|
|
0
|
2280 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2281 hc->request = NULL;
|
|
|
2282 }
|
|
|
2283
|
|
|
2284 b = c->buffer;
|
|
|
2285
|
|
|
2286 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2287
|
|
|
2288 /*
|
|
|
2289 * the special note for ngx_http_keepalive_handler() that
|
|
|
2290 * c->buffer's memory was freed
|
|
|
2291 */
|
|
|
2292
|
|
0
|
2293 b->pos = NULL;
|
|
|
2294
|
|
|
2295 } else {
|
|
|
2296 b->pos = b->start;
|
|
|
2297 b->last = b->start;
|
|
|
2298 }
|
|
|
2299
|
|
10
|
2300 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2301 hc->free, hc->nfree);
|
|
|
2302
|
|
|
2303 if (hc->free) {
|
|
|
2304 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2305 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2306 hc->free[i] = NULL;
|
|
|
2307 }
|
|
|
2308
|
|
|
2309 hc->nfree = 0;
|
|
|
2310 }
|
|
|
2311
|
|
10
|
2312 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2313 hc->busy, hc->nbusy);
|
|
|
2314
|
|
|
2315 if (hc->busy) {
|
|
|
2316 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2317 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2318 hc->busy[i] = NULL;
|
|
|
2319 }
|
|
|
2320
|
|
|
2321 hc->nbusy = 0;
|
|
|
2322 }
|
|
|
2323
|
|
358
|
2324 #if (NGX_HTTP_SSL)
|
|
|
2325 if (c->ssl) {
|
|
|
2326 ngx_ssl_free_buffer(c);
|
|
|
2327 }
|
|
|
2328 #endif
|
|
|
2329
|
|
58
|
2330 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2331
|
|
132
|
2332 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
|
2333 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
|
2334 ngx_http_close_connection(c);
|
|
|
2335 return;
|
|
0
|
2336 }
|
|
|
2337 }
|
|
|
2338
|
|
32
|
2339 c->log->action = "keepalive";
|
|
0
|
2340
|
|
|
2341 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2342 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2343 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2344 ngx_http_close_connection(c);
|
|
|
2345 return;
|
|
|
2346 }
|
|
2
|
2347
|
|
0
|
2348 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2349 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2350
|
|
|
2351 } else {
|
|
22
|
2352 tcp_nodelay = 1;
|
|
|
2353 }
|
|
|
2354
|
|
32
|
2355 if (tcp_nodelay
|
|
|
2356 && clcf->tcp_nodelay
|
|
|
2357 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2358 {
|
|
22
|
2359 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2360
|
|
|
2361 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2362 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2363 == -1)
|
|
22
|
2364 {
|
|
|
2365 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2366 "setsockopt(TCP_NODELAY) failed");
|
|
|
2367 ngx_http_close_connection(c);
|
|
|
2368 return;
|
|
2
|
2369 }
|
|
22
|
2370
|
|
32
|
2371 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2372 }
|
|
|
2373
|
|
|
2374 #if 0
|
|
4
|
2375 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2376 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2377 #endif
|
|
|
2378
|
|
290
|
2379 c->idle = 1;
|
|
|
2380
|
|
0
|
2381 if (rev->ready) {
|
|
376
|
2382 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2383 }
|
|
|
2384 }
|
|
|
2385
|
|
|
2386
|
|
50
|
2387 static void
|
|
|
2388 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2389 {
|
|
50
|
2390 size_t size;
|
|
|
2391 ssize_t n;
|
|
|
2392 ngx_buf_t *b;
|
|
|
2393 ngx_connection_t *c;
|
|
0
|
2394
|
|
|
2395 c = rev->data;
|
|
|
2396
|
|
|
2397 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2398
|
|
290
|
2399 if (rev->timedout || c->close) {
|
|
0
|
2400 ngx_http_close_connection(c);
|
|
|
2401 return;
|
|
|
2402 }
|
|
|
2403
|
|
18
|
2404 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2405
|
|
4
|
2406 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2407 if (rev->pending_eof) {
|
|
32
|
2408 c->log->handler = NULL;
|
|
0
|
2409 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2410 "kevent() reported that client %V closed "
|
|
32
|
2411 "keepalive connection", &c->addr_text);
|
|
22
|
2412 #if (NGX_HTTP_SSL)
|
|
|
2413 if (c->ssl) {
|
|
96
|
2414 c->ssl->no_send_shutdown = 1;
|
|
22
|
2415 }
|
|
|
2416 #endif
|
|
0
|
2417 ngx_http_close_connection(c);
|
|
|
2418 return;
|
|
|
2419 }
|
|
|
2420 }
|
|
|
2421
|
|
|
2422 #endif
|
|
|
2423
|
|
|
2424 b = c->buffer;
|
|
|
2425 size = b->end - b->start;
|
|
|
2426
|
|
|
2427 if (b->pos == NULL) {
|
|
4
|
2428
|
|
|
2429 /*
|
|
|
2430 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2431 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2432 * to keep the buffer size.
|
|
|
2433 */
|
|
|
2434
|
|
50
|
2435 b->pos = ngx_palloc(c->pool, size);
|
|
|
2436 if (b->pos == NULL) {
|
|
0
|
2437 ngx_http_close_connection(c);
|
|
|
2438 return;
|
|
|
2439 }
|
|
|
2440
|
|
|
2441 b->start = b->pos;
|
|
|
2442 b->last = b->pos;
|
|
|
2443 b->end = b->pos + size;
|
|
|
2444 }
|
|
|
2445
|
|
|
2446 /*
|
|
|
2447 * MSIE closes a keepalive connection with RST flag
|
|
|
2448 * so we ignore ECONNRESET here.
|
|
|
2449 */
|
|
|
2450
|
|
|
2451 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2452 ngx_set_socket_errno(0);
|
|
|
2453
|
|
|
2454 n = c->recv(c, b->last, size);
|
|
|
2455 c->log_error = NGX_ERROR_INFO;
|
|
|
2456
|
|
|
2457 if (n == NGX_AGAIN) {
|
|
58
|
2458 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
24
|
2459 ngx_http_close_connection(c);
|
|
|
2460 }
|
|
|
2461
|
|
0
|
2462 return;
|
|
|
2463 }
|
|
|
2464
|
|
|
2465 if (n == NGX_ERROR) {
|
|
|
2466 ngx_http_close_connection(c);
|
|
|
2467 return;
|
|
|
2468 }
|
|
|
2469
|
|
32
|
2470 c->log->handler = NULL;
|
|
0
|
2471
|
|
|
2472 if (n == 0) {
|
|
|
2473 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2474 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2475 ngx_http_close_connection(c);
|
|
|
2476 return;
|
|
|
2477 }
|
|
|
2478
|
|
|
2479 b->last += n;
|
|
32
|
2480
|
|
116
|
2481 #if (NGX_STAT_STUB)
|
|
|
2482 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2483 #endif
|
|
|
2484
|
|
32
|
2485 c->log->handler = ngx_http_log_error;
|
|
|
2486 c->log->action = "reading client request line";
|
|
0
|
2487
|
|
290
|
2488 c->idle = 0;
|
|
|
2489
|
|
0
|
2490 ngx_http_init_request(rev);
|
|
|
2491 }
|
|
|
2492
|
|
|
2493
|
|
50
|
2494 static void
|
|
|
2495 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2496 {
|
|
0
|
2497 ngx_event_t *rev, *wev;
|
|
|
2498 ngx_connection_t *c;
|
|
|
2499 ngx_http_core_loc_conf_t *clcf;
|
|
|
2500
|
|
|
2501 c = r->connection;
|
|
|
2502
|
|
|
2503 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2504
|
|
|
2505 rev = c->read;
|
|
58
|
2506 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2507
|
|
106
|
2508 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2509 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2510
|
|
58
|
2511 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
0
|
2512 ngx_http_close_request(r, 0);
|
|
|
2513 return;
|
|
|
2514 }
|
|
|
2515
|
|
|
2516 wev = c->write;
|
|
58
|
2517 wev->handler = ngx_http_empty_handler;
|
|
0
|
2518
|
|
132
|
2519 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
|
2520 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
|
2521 ngx_http_close_request(r, 0);
|
|
|
2522 return;
|
|
0
|
2523 }
|
|
|
2524 }
|
|
|
2525
|
|
|
2526 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2527 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2528 ngx_shutdown_socket_n " failed");
|
|
|
2529 ngx_http_close_request(r, 0);
|
|
|
2530 return;
|
|
|
2531 }
|
|
|
2532
|
|
|
2533 if (rev->ready) {
|
|
|
2534 ngx_http_lingering_close_handler(rev);
|
|
|
2535 }
|
|
|
2536 }
|
|
|
2537
|
|
|
2538
|
|
50
|
2539 static void
|
|
|
2540 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2541 {
|
|
|
2542 ssize_t n;
|
|
|
2543 ngx_msec_t timer;
|
|
|
2544 ngx_connection_t *c;
|
|
|
2545 ngx_http_request_t *r;
|
|
|
2546 ngx_http_core_loc_conf_t *clcf;
|
|
|
2547 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2548
|
|
|
2549 c = rev->data;
|
|
|
2550 r = c->data;
|
|
|
2551
|
|
|
2552 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2553 "http lingering close handler");
|
|
|
2554
|
|
|
2555 if (rev->timedout) {
|
|
126
|
2556 c->timedout = 1;
|
|
0
|
2557 ngx_http_close_request(r, 0);
|
|
|
2558 return;
|
|
|
2559 }
|
|
|
2560
|
|
346
|
2561 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2562 if (timer <= 0) {
|
|
|
2563 ngx_http_close_request(r, 0);
|
|
|
2564 return;
|
|
|
2565 }
|
|
|
2566
|
|
|
2567 do {
|
|
|
2568 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2569
|
|
|
2570 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2571
|
|
|
2572 if (n == NGX_ERROR || n == 0) {
|
|
|
2573 ngx_http_close_request(r, 0);
|
|
|
2574 return;
|
|
|
2575 }
|
|
|
2576
|
|
|
2577 } while (rev->ready);
|
|
|
2578
|
|
58
|
2579 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
26
|
2580 ngx_http_close_request(r, 0);
|
|
24
|
2581 return;
|
|
|
2582 }
|
|
|
2583
|
|
0
|
2584 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2585
|
|
|
2586 timer *= 1000;
|
|
|
2587
|
|
|
2588 if (timer > clcf->lingering_timeout) {
|
|
|
2589 timer = clcf->lingering_timeout;
|
|
|
2590 }
|
|
|
2591
|
|
|
2592 ngx_add_timer(rev, timer);
|
|
|
2593 }
|
|
|
2594
|
|
|
2595
|
|
50
|
2596 void
|
|
|
2597 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2598 {
|
|
|
2599 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2600
|
|
|
2601 return;
|
|
|
2602 }
|
|
|
2603
|
|
|
2604
|
|
58
|
2605 void
|
|
|
2606 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2607 {
|
|
|
2608 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2609 "http request empty handler");
|
|
58
|
2610
|
|
|
2611 return;
|
|
|
2612 }
|
|
|
2613
|
|
|
2614
|
|
50
|
2615 ngx_int_t
|
|
130
|
2616 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2617 {
|
|
|
2618 ngx_buf_t *b;
|
|
|
2619 ngx_chain_t out;
|
|
|
2620
|
|
50
|
2621 b = ngx_calloc_buf(r->pool);
|
|
|
2622 if (b == NULL) {
|
|
0
|
2623 return NGX_ERROR;
|
|
|
2624 }
|
|
|
2625
|
|
130
|
2626 if (flags & NGX_HTTP_LAST) {
|
|
|
2627 b->last_buf = 1;
|
|
|
2628 }
|
|
|
2629
|
|
|
2630 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2631 b->flush = 1;
|
|
|
2632 }
|
|
|
2633
|
|
0
|
2634 out.buf = b;
|
|
|
2635 out.next = NULL;
|
|
|
2636
|
|
|
2637 return ngx_http_output_filter(r, &out);
|
|
|
2638 }
|
|
|
2639
|
|
|
2640
|
|
162
|
2641 static ngx_int_t
|
|
|
2642 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2643 {
|
|
|
2644 ngx_http_core_loc_conf_t *clcf;
|
|
|
2645
|
|
|
2646 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2647
|
|
|
2648 if (clcf->post_action.data == NULL) {
|
|
|
2649 return NGX_DECLINED;
|
|
|
2650 }
|
|
|
2651
|
|
172
|
2652 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2653 "post action: \"%V\"", &clcf->post_action);
|
|
|
2654
|
|
162
|
2655 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2656 r->header_only = 1;
|
|
178
|
2657 r->post_action = 1;
|
|
162
|
2658
|
|
326
|
2659 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2660
|
|
366
|
2661 if (clcf->post_action.data[0] == '/') {
|
|
|
2662 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2663
|
|
|
2664 } else {
|
|
|
2665 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2666 }
|
|
162
|
2667
|
|
|
2668 return NGX_OK;
|
|
|
2669 }
|
|
|
2670
|
|
|
2671
|
|
|
2672 static void
|
|
58
|
2673 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2674 {
|
|
188
|
2675 ngx_connection_t *c;
|
|
118
|
2676
|
|
|
2677 c = r->connection;
|
|
188
|
2678
|
|
|
2679 ngx_http_request_done(r->main, error);
|
|
118
|
2680 ngx_http_close_connection(c);
|
|
|
2681 }
|
|
|
2682
|
|
|
2683
|
|
162
|
2684 static void
|
|
118
|
2685 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2686 {
|
|
412
|
2687 ngx_log_t *log;
|
|
|
2688 struct linger linger;
|
|
|
2689 ngx_http_cleanup_t *cln;
|
|
|
2690 ngx_http_log_ctx_t *ctx;
|
|
|
2691 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2692
|
|
|
2693 log = r->connection->log;
|
|
|
2694
|
|
|
2695 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2696
|
|
|
2697 if (r->pool == NULL) {
|
|
80
|
2698 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2699 return;
|
|
|
2700 }
|
|
|
2701
|
|
188
|
2702 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2703 if (cln->handler) {
|
|
|
2704 cln->handler(cln->data);
|
|
|
2705 }
|
|
|
2706 }
|
|
|
2707
|
|
0
|
2708 #if (NGX_STAT_STUB)
|
|
116
|
2709
|
|
0
|
2710 if (r->stat_reading) {
|
|
110
|
2711 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2712 }
|
|
|
2713
|
|
|
2714 if (r->stat_writing) {
|
|
110
|
2715 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2716 }
|
|
116
|
2717
|
|
0
|
2718 #endif
|
|
|
2719
|
|
|
2720 if (error && r->headers_out.status == 0) {
|
|
|
2721 r->headers_out.status = error;
|
|
|
2722 }
|
|
|
2723
|
|
386
|
2724 log->action = "logging request";
|
|
|
2725
|
|
412
|
2726 ngx_http_log_request(r);
|
|
0
|
2727
|
|
386
|
2728 log->action = "closing request";
|
|
|
2729
|
|
0
|
2730 if (r->connection->timedout) {
|
|
|
2731 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2732
|
|
|
2733 if (clcf->reset_timedout_connection) {
|
|
58
|
2734 linger.l_onoff = 1;
|
|
|
2735 linger.l_linger = 0;
|
|
0
|
2736
|
|
|
2737 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2738 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2739 {
|
|
|
2740 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2741 "setsockopt(SO_LINGER) failed");
|
|
|
2742 }
|
|
|
2743 }
|
|
|
2744 }
|
|
|
2745
|
|
58
|
2746 /* the various request strings were allocated from r->pool */
|
|
0
|
2747 ctx = log->data;
|
|
10
|
2748 ctx->request = NULL;
|
|
0
|
2749
|
|
|
2750 r->request_line.len = 0;
|
|
|
2751
|
|
132
|
2752 r->connection->destroyed = 1;
|
|
|
2753
|
|
0
|
2754 ngx_destroy_pool(r->pool);
|
|
|
2755 }
|
|
|
2756
|
|
|
2757
|
|
80
|
2758 static void
|
|
412
|
2759 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2760 {
|
|
|
2761 ngx_uint_t i, n;
|
|
|
2762 ngx_http_handler_pt *log_handler;
|
|
|
2763 ngx_http_core_main_conf_t *cmcf;
|
|
|
2764
|
|
|
2765 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2766
|
|
|
2767 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2768 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2769
|
|
|
2770 for (i = 0; i < n; i++) {
|
|
|
2771 log_handler[i](r);
|
|
|
2772 }
|
|
|
2773 }
|
|
|
2774
|
|
|
2775
|
|
|
2776 static void
|
|
50
|
2777 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2778 {
|
|
28
|
2779 ngx_pool_t *pool;
|
|
|
2780
|
|
0
|
2781 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2782 "close http connection: %d", c->fd);
|
|
|
2783
|
|
88
|
2784 #if (NGX_HTTP_SSL)
|
|
2
|
2785
|
|
|
2786 if (c->ssl) {
|
|
|
2787 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2788 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2789 return;
|
|
|
2790 }
|
|
|
2791 }
|
|
|
2792
|
|
|
2793 #endif
|
|
|
2794
|
|
0
|
2795 #if (NGX_STAT_STUB)
|
|
110
|
2796 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2797 #endif
|
|
|
2798
|
|
132
|
2799 c->destroyed = 1;
|
|
|
2800
|
|
28
|
2801 pool = c->pool;
|
|
|
2802
|
|
0
|
2803 ngx_close_connection(c);
|
|
28
|
2804
|
|
50
|
2805 ngx_destroy_pool(pool);
|
|
0
|
2806 }
|
|
|
2807
|
|
|
2808
|
|
50
|
2809 static u_char *
|
|
|
2810 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2811 {
|
|
32
|
2812 u_char *p;
|
|
54
|
2813 ngx_http_request_t *r;
|
|
32
|
2814 ngx_http_log_ctx_t *ctx;
|
|
10
|
2815
|
|
32
|
2816 if (log->action) {
|
|
58
|
2817 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2818 len -= p - buf;
|
|
54
|
2819 buf = p;
|
|
10
|
2820 }
|
|
|
2821
|
|
58
|
2822 ctx = log->data;
|
|
|
2823
|
|
362
|
2824 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2825 len -= p - buf;
|
|
54
|
2826
|
|
|
2827 r = ctx->request;
|
|
|
2828
|
|
58
|
2829 if (r) {
|
|
214
|
2830 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2831
|
|
|
2832 } else {
|
|
|
2833 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2834 &ctx->connection->listening->addr_text);
|
|
0
|
2835 }
|
|
10
|
2836
|
|
58
|
2837 return p;
|
|
|
2838 }
|
|
|
2839
|
|
|
2840
|
|
|
2841 static u_char *
|
|
214
|
2842 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2843 u_char *buf, size_t len)
|
|
58
|
2844 {
|
|
362
|
2845 char *uri_separator;
|
|
|
2846 u_char *p;
|
|
|
2847 ngx_http_upstream_t *u;
|
|
|
2848 ngx_http_core_srv_conf_t *cscf;
|
|
|
2849
|
|
|
2850 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2851
|
|
|
2852 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2853 len -= p - buf;
|
|
|
2854 buf = p;
|
|
52
|
2855
|
|
348
|
2856 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2857 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2858 if (*p == CR || *p == LF) {
|
|
|
2859 break;
|
|
|
2860 }
|
|
|
2861 }
|
|
|
2862
|
|
|
2863 r->request_line.len = p - r->request_start;
|
|
|
2864 r->request_line.data = r->request_start;
|
|
|
2865 }
|
|
|
2866
|
|
|
2867 if (r->request_line.len) {
|
|
|
2868 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2869 len -= p - buf;
|
|
|
2870 buf = p;
|
|
10
|
2871 }
|
|
|
2872
|
|
214
|
2873 if (r != sr) {
|
|
|
2874 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2875 len -= p - buf;
|
|
|
2876 buf = p;
|
|
|
2877 }
|
|
|
2878
|
|
|
2879 u = sr->upstream;
|
|
|
2880
|
|
260
|
2881 if (u && u->peer.name) {
|
|
|
2882
|
|
|
2883 uri_separator = "";
|
|
|
2884
|
|
|
2885 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2886 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2887 uri_separator = ":";
|
|
|
2888 }
|
|
|
2889 #endif
|
|
214
|
2890
|
|
|
2891 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2892 &u->schema, u->peer.name,
|
|
260
|
2893 uri_separator, &u->uri);
|
|
214
|
2894 len -= p - buf;
|
|
|
2895 buf = p;
|
|
|
2896 }
|
|
|
2897
|
|
54
|
2898 if (r->headers_in.host) {
|
|
|
2899 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2900 &r->headers_in.host->value);
|
|
|
2901 len -= p - buf;
|
|
|
2902 buf = p;
|
|
|
2903 }
|
|
|
2904
|
|
|
2905 if (r->headers_in.referer) {
|
|
|
2906 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
2907 &r->headers_in.referer->value);
|
|
|
2908 buf = p;
|
|
|
2909 }
|
|
|
2910
|
|
|
2911 return buf;
|
|
|
2912 }
|
