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