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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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518
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39 static void ngx_http_terminate_request(ngx_http_request_t *r, ngx_int_t rc);
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40 static void ngx_http_terminate_handler(ngx_http_request_t *r);
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41 static void ngx_http_finalize_connection(ngx_http_request_t *r);
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74
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42 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
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58
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43 static void ngx_http_writer(ngx_http_request_t *r);
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426
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44 static void ngx_http_request_finalizer(ngx_http_request_t *r);
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58
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45
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0
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46 static void ngx_http_set_keepalive(ngx_http_request_t *r);
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47 static void ngx_http_keepalive_handler(ngx_event_t *ev);
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48 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
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49 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
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162
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50 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
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80
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51 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
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518
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52 static void ngx_http_free_request(ngx_http_request_t *r, ngx_int_t error);
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412
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53 static void ngx_http_log_request(ngx_http_request_t *r);
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80
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54 static void ngx_http_close_connection(ngx_connection_t *c);
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0
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55
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32
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56 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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57 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
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58 ngx_http_request_t *sr, u_char *buf, size_t len);
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0
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59
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88
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60 #if (NGX_HTTP_SSL)
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61 static void ngx_http_ssl_handshake(ngx_event_t *rev);
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96
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62 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
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88
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63 #endif
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64
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0
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65
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54
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66 static char *ngx_http_client_errors[] = {
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67
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68 /* NGX_HTTP_PARSE_INVALID_METHOD */
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69 "client sent invalid method",
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70
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71 /* NGX_HTTP_PARSE_INVALID_REQUEST */
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72 "client sent invalid request",
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73
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74 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
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75 "client sent invalid method in HTTP/0.9 request"
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0
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76 };
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77
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78
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79 ngx_http_header_t ngx_http_headers_in[] = {
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400
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80 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
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81 ngx_http_process_host },
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82
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83 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
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84 ngx_http_process_connection },
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58
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85
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0
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86 { ngx_string("If-Modified-Since"),
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58
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87 offsetof(ngx_http_headers_in_t, if_modified_since),
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332
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88 ngx_http_process_unique_header_line },
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58
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89
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400
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90 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
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91 ngx_http_process_user_agent },
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58
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92
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93 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
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94 ngx_http_process_header_line },
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95
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0
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96 { ngx_string("Content-Length"),
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58
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97 offsetof(ngx_http_headers_in_t, content_length),
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72
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98 ngx_http_process_unique_header_line },
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58
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99
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28
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100 { ngx_string("Content-Type"),
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58
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101 offsetof(ngx_http_headers_in_t, content_type),
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102 ngx_http_process_header_line },
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103
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104 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
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105 ngx_http_process_header_line },
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106
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346
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107 { ngx_string("If-Range"),
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108 offsetof(ngx_http_headers_in_t, if_range),
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109 ngx_http_process_unique_header_line },
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110
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130
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111 { ngx_string("Transfer-Encoding"),
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112 offsetof(ngx_http_headers_in_t, transfer_encoding),
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113 ngx_http_process_header_line },
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114
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384
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115 { ngx_string("Expect"),
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116 offsetof(ngx_http_headers_in_t, expect),
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117 ngx_http_process_unique_header_line },
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118
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0
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119 #if (NGX_HTTP_GZIP)
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120 { ngx_string("Accept-Encoding"),
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58
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121 offsetof(ngx_http_headers_in_t, accept_encoding),
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122 ngx_http_process_header_line },
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123
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124 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
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125 ngx_http_process_header_line },
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0
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126 #endif
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127
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128 { ngx_string("Authorization"),
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58
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129 offsetof(ngx_http_headers_in_t, authorization),
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72
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130 ngx_http_process_unique_header_line },
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58
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131
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132 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
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133 ngx_http_process_header_line },
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0
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134
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510
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135 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP || NGX_HTTP_GEO)
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0
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136 { ngx_string("X-Forwarded-For"),
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58
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137 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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138 ngx_http_process_header_line },
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0
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139 #endif
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28
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140
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122
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141 #if (NGX_HTTP_REALIP)
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142 { ngx_string("X-Real-IP"),
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143 offsetof(ngx_http_headers_in_t, x_real_ip),
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144 ngx_http_process_header_line },
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145 #endif
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146
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38
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147 #if (NGX_HTTP_HEADERS)
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58
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148 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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149 ngx_http_process_header_line },
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150
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38
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151 { ngx_string("Accept-Language"),
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58
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152 offsetof(ngx_http_headers_in_t, accept_language),
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153 ngx_http_process_header_line },
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38
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154 #endif
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155
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186
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156 #if (NGX_HTTP_DAV)
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157 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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158 ngx_http_process_header_line },
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159
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160 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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161 ngx_http_process_header_line },
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230
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162
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276
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163 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
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164 ngx_http_process_header_line },
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165
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230
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166 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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167 ngx_http_process_header_line },
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186
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168 #endif
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169
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58
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170 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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171
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172 { ngx_null_string, 0, NULL }
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0
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173 };
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174
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175
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50
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176 void
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177 ngx_http_init_connection(ngx_connection_t *c)
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0
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178 {
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179 ngx_event_t *rev;
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180 ngx_http_log_ctx_t *ctx;
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181
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50
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182 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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183 if (ctx == NULL) {
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0
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184 ngx_http_close_connection(c);
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185 return;
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186 }
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187
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362
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188 ctx->connection = c;
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10
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189 ctx->request = NULL;
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214
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190 ctx->current_request = NULL;
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32
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191
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192 c->log->connection = c->number;
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193 c->log->handler = ngx_http_log_error;
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0
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194 c->log->data = ctx;
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32
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195 c->log->action = "reading client request line";
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196
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0
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197 c->log_error = NGX_ERROR_INFO;
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198
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199 rev = c->read;
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58
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200 rev->handler = ngx_http_init_request;
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118
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201 c->write->handler = ngx_http_empty_handler;
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0
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202
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116
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203 #if (NGX_STAT_STUB)
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502
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204 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
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116
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205 #endif
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206
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0
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207 if (rev->ready) {
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208 /* the deferred accept(), rtsig, aio, iocp */
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209
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160
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210 if (ngx_use_accept_mutex) {
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112
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211 ngx_post_event(rev, &ngx_posted_events);
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0
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212 return;
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213 }
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214
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215 ngx_http_init_request(rev);
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216 return;
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217 }
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218
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219 ngx_add_timer(rev, c->listening->post_accept_timeout);
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220
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430
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221 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
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116
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222 #if (NGX_STAT_STUB)
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502
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223 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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224 #endif
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0
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225 ngx_http_close_connection(c);
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226 return;
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227 }
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228 }
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229
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230
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190
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231 static void
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232 ngx_http_init_request(ngx_event_t *rev)
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0
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233 {
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298
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234 ngx_time_t *tp;
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122
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235 ngx_uint_t i;
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236 ngx_connection_t *c;
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237 ngx_http_request_t *r;
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448
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238 struct sockaddr_in *sin;
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239 ngx_http_port_t *port;
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240 ngx_http_in_addr_t *addr;
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122
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241 ngx_http_log_ctx_t *ctx;
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448
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242 ngx_http_addr_conf_t *addr_conf;
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122
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243 ngx_http_connection_t *hc;
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244 ngx_http_core_srv_conf_t *cscf;
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245 ngx_http_core_loc_conf_t *clcf;
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246 ngx_http_core_main_conf_t *cmcf;
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448
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247 #if (NGX_HAVE_INET6)
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248 struct sockaddr_in6 *sin6;
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249 ngx_http_in6_addr_t *addr6;
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250 #endif
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0
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251
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116
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252 #if (NGX_STAT_STUB)
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502
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253 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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254 #endif
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255
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0
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256 c = rev->data;
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257
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258 if (rev->timedout) {
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259 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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260
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261 ngx_http_close_connection(c);
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262 return;
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263 }
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264
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496
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265 c->requests++;
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266
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0
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267 hc = c->data;
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268
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116
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269 if (hc == NULL) {
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50
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270 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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271 if (hc == NULL) {
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0
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272 ngx_http_close_connection(c);
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273 return;
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274 }
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275 }
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276
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277 r = hc->request;
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278
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279 if (r) {
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280 ngx_memzero(r, sizeof(ngx_http_request_t));
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281
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282 r->pipeline = hc->pipeline;
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283
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284 if (hc->nbusy) {
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285 r->header_in = hc->busy[0];
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286 }
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287
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288 } else {
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50
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289 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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290 if (r == NULL) {
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0
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291 ngx_http_close_connection(c);
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292 return;
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293 }
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294
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295 hc->request = r;
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296 }
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297
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298 c->data = r;
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299 r->http_connection = hc;
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300
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301 c->sent = 0;
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302 r->signature = NGX_HTTP_MODULE;
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303
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304 /* find the server configuration for the address:port */
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305
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448
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306 port = c->listening->servers;
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307
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362
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308 r->connection = c;
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309
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448
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310 if (port->naddrs > 1) {
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0
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311
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312 /*
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448
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313 * there are several addresses on this port and one of them
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314 * is an "*:port" wildcard so getsockname() in ngx_http_server_addr()
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315 * is required to determine a server address
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0
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316 */
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317
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492
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318 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
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448
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319 ngx_http_close_connection(c);
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320 return;
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321 }
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322
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323 switch (c->local_sockaddr->sa_family) {
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324
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325 #if (NGX_HAVE_INET6)
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326 case AF_INET6:
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327 sin6 = (struct sockaddr_in6 *) c->local_sockaddr;
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328
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492
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329 addr6 = port->addrs;
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448
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330
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331 /* the last address is "*" */
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332
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333 for (i = 0; i < port->naddrs - 1; i++) {
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334 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
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335 break;
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336 }
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337 }
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338
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339 addr_conf = &addr6[i].conf;
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340
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341 break;
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0
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342 #endif
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448
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343
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344 default: /* AF_INET */
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345 sin = (struct sockaddr_in *) c->local_sockaddr;
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346
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347 addr = port->addrs;
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348
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349 /* the last address is "*" */
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350
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351 for (i = 0; i < port->naddrs - 1; i++) {
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352 if (addr[i].addr == sin->sin_addr.s_addr) {
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353 break;
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354 }
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0
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355 }
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448
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356
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357 addr_conf = &addr[i].conf;
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358
|
|
|
359 break;
|
|
0
|
360 }
|
|
|
361
|
|
|
362 } else {
|
|
448
|
363
|
|
|
364 switch (c->local_sockaddr->sa_family) {
|
|
|
365
|
|
|
366 #if (NGX_HAVE_INET6)
|
|
|
367 case AF_INET6:
|
|
492
|
368 addr6 = port->addrs;
|
|
448
|
369 addr_conf = &addr6[0].conf;
|
|
|
370 break;
|
|
|
371 #endif
|
|
|
372
|
|
|
373 default: /* AF_INET */
|
|
|
374 addr = port->addrs;
|
|
|
375 addr_conf = &addr[0].conf;
|
|
|
376 break;
|
|
|
377 }
|
|
0
|
378 }
|
|
|
379
|
|
478
|
380 r->virtual_names = addr_conf->virtual_names;
|
|
|
381
|
|
0
|
382 /* the default server configuration for the address:port */
|
|
448
|
383 cscf = addr_conf->core_srv_conf;
|
|
0
|
384
|
|
|
385 r->main_conf = cscf->ctx->main_conf;
|
|
|
386 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
387 r->loc_conf = cscf->ctx->loc_conf;
|
|
|
388
|
|
58
|
389 rev->handler = ngx_http_process_request_line;
|
|
510
|
390 r->read_event_handler = ngx_http_block_reading;
|
|
0
|
391
|
|
|
392 #if (NGX_HTTP_SSL)
|
|
|
393
|
|
356
|
394 {
|
|
|
395 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
396
|
|
0
|
397 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
448
|
398 if (sscf->enable || addr_conf->ssl) {
|
|
0
|
399
|
|
|
400 if (c->ssl == NULL) {
|
|
404
|
401
|
|
|
402 c->log->action = "SSL handshaking";
|
|
|
403
|
|
448
|
404 if (addr_conf->ssl && sscf->ssl.ctx == NULL) {
|
|
404
|
405 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
|
406 "no \"ssl_certificate\" is defined "
|
|
|
407 "in server listening on SSL port");
|
|
|
408 ngx_http_close_connection(c);
|
|
|
409 return;
|
|
|
410 }
|
|
|
411
|
|
96
|
412 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
|
454
|
413 != NGX_OK)
|
|
0
|
414 {
|
|
|
415 ngx_http_close_connection(c);
|
|
|
416 return;
|
|
|
417 }
|
|
|
418
|
|
58
|
419 rev->handler = ngx_http_ssl_handshake;
|
|
0
|
420 }
|
|
|
421
|
|
62
|
422 r->main_filter_need_in_memory = 1;
|
|
0
|
423 }
|
|
356
|
424 }
|
|
0
|
425
|
|
|
426 #endif
|
|
|
427
|
|
|
428 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
484
|
429 c->log->file = clcf->error_log->file;
|
|
0
|
430 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
484
|
431 c->log->log_level = clcf->error_log->log_level;
|
|
0
|
432 }
|
|
|
433
|
|
|
434 if (c->buffer == NULL) {
|
|
|
435 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
436 cscf->client_header_buffer_size);
|
|
|
437 if (c->buffer == NULL) {
|
|
|
438 ngx_http_close_connection(c);
|
|
|
439 return;
|
|
|
440 }
|
|
|
441 }
|
|
|
442
|
|
|
443 if (r->header_in == NULL) {
|
|
|
444 r->header_in = c->buffer;
|
|
|
445 }
|
|
|
446
|
|
50
|
447 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
448 if (r->pool == NULL) {
|
|
0
|
449 ngx_http_close_connection(c);
|
|
|
450 return;
|
|
|
451 }
|
|
|
452
|
|
|
453
|
|
|
454 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
455 sizeof(ngx_table_elt_t))
|
|
454
|
456 != NGX_OK)
|
|
0
|
457 {
|
|
496
|
458 ngx_destroy_pool(r->pool);
|
|
|
459 ngx_http_close_connection(c);
|
|
0
|
460 return;
|
|
|
461 }
|
|
|
462
|
|
|
463 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
464 if (r->ctx == NULL) {
|
|
496
|
465 ngx_destroy_pool(r->pool);
|
|
|
466 ngx_http_close_connection(c);
|
|
0
|
467 return;
|
|
|
468 }
|
|
|
469
|
|
122
|
470 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
471
|
|
|
472 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
473 * sizeof(ngx_http_variable_value_t));
|
|
|
474 if (r->variables == NULL) {
|
|
496
|
475 ngx_destroy_pool(r->pool);
|
|
|
476 ngx_http_close_connection(c);
|
|
122
|
477 return;
|
|
|
478 }
|
|
|
479
|
|
0
|
480 c->single_connection = 1;
|
|
132
|
481 c->destroyed = 0;
|
|
|
482
|
|
102
|
483 r->main = r;
|
|
518
|
484 r->count = 1;
|
|
102
|
485
|
|
298
|
486 tp = ngx_timeofday();
|
|
|
487 r->start_sec = tp->sec;
|
|
|
488 r->start_msec = tp->msec;
|
|
46
|
489
|
|
180
|
490 r->method = NGX_HTTP_UNKNOWN;
|
|
|
491
|
|
0
|
492 r->headers_in.content_length_n = -1;
|
|
|
493 r->headers_in.keep_alive_n = -1;
|
|
|
494 r->headers_out.content_length_n = -1;
|
|
|
495 r->headers_out.last_modified_time = -1;
|
|
|
496
|
|
226
|
497 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
498 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
499
|
|
0
|
500 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
501
|
|
54
|
502 ctx = c->log->data;
|
|
|
503 ctx->request = r;
|
|
214
|
504 ctx->current_request = r;
|
|
58
|
505 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
506
|
|
0
|
507 #if (NGX_STAT_STUB)
|
|
502
|
508 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
509 r->stat_reading = 1;
|
|
502
|
510 (void) ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
511 #endif
|
|
|
512
|
|
58
|
513 rev->handler(rev);
|
|
0
|
514 }
|
|
|
515
|
|
|
516
|
|
|
517 #if (NGX_HTTP_SSL)
|
|
|
518
|
|
50
|
519 static void
|
|
|
520 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
521 {
|
|
10
|
522 u_char buf[1];
|
|
|
523 ssize_t n;
|
|
0
|
524 ngx_int_t rc;
|
|
|
525 ngx_connection_t *c;
|
|
|
526 ngx_http_request_t *r;
|
|
|
527
|
|
|
528 c = rev->data;
|
|
|
529 r = c->data;
|
|
|
530
|
|
|
531 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
532 "http check ssl handshake");
|
|
|
533
|
|
|
534 if (rev->timedout) {
|
|
54
|
535 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
536 c->timedout = 1;
|
|
|
537 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
538 return;
|
|
|
539 }
|
|
|
540
|
|
132
|
541 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
542
|
|
|
543 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
544
|
|
|
545 if (!rev->timer_set) {
|
|
|
546 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
547 }
|
|
|
548
|
|
430
|
549 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
364
|
550 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
551 }
|
|
|
552
|
|
0
|
553 return;
|
|
|
554 }
|
|
|
555
|
|
|
556 if (n == 1) {
|
|
|
557 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
558 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
559 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
560
|
|
|
561 rc = ngx_ssl_handshake(c);
|
|
|
562
|
|
96
|
563 if (rc == NGX_AGAIN) {
|
|
362
|
564
|
|
|
565 if (!rev->timer_set) {
|
|
|
566 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
567 }
|
|
|
568
|
|
96
|
569 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
570 return;
|
|
|
571 }
|
|
|
572
|
|
96
|
573 ngx_http_ssl_handshake_handler(c);
|
|
|
574
|
|
|
575 return;
|
|
0
|
576
|
|
|
577 } else {
|
|
|
578 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
579 "plain http");
|
|
|
580
|
|
|
581 r->plain_http = 1;
|
|
|
582 }
|
|
|
583 }
|
|
|
584
|
|
404
|
585 c->log->action = "reading client request line";
|
|
|
586
|
|
58
|
587 rev->handler = ngx_http_process_request_line;
|
|
0
|
588 ngx_http_process_request_line(rev);
|
|
|
589 }
|
|
|
590
|
|
96
|
591
|
|
|
592 static void
|
|
|
593 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
594 {
|
|
|
595 ngx_http_request_t *r;
|
|
|
596
|
|
|
597 if (c->ssl->handshaked) {
|
|
|
598
|
|
|
599 /*
|
|
|
600 * The majority of browsers do not send the "close notify" alert.
|
|
|
601 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
602 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
603 *
|
|
|
604 * Opera and recent Mozilla send the alert.
|
|
|
605 */
|
|
|
606
|
|
|
607 c->ssl->no_wait_shutdown = 1;
|
|
|
608
|
|
|
609 c->read->handler = ngx_http_process_request_line;
|
|
|
610 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
611
|
|
|
612 ngx_http_process_request_line(c->read);
|
|
|
613
|
|
|
614 return;
|
|
|
615 }
|
|
|
616
|
|
|
617 r = c->data;
|
|
|
618
|
|
|
619 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
620
|
|
|
621 return;
|
|
|
622 }
|
|
|
623
|
|
306
|
624 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
625
|
|
|
626 int
|
|
|
627 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
628 {
|
|
400
|
629 size_t len;
|
|
306
|
630 const char *servername;
|
|
|
631 ngx_connection_t *c;
|
|
|
632 ngx_http_request_t *r;
|
|
|
633 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
634
|
|
|
635 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
636
|
|
|
637 if (servername == NULL) {
|
|
|
638 return SSL_TLSEXT_ERR_NOACK;
|
|
|
639 }
|
|
|
640
|
|
|
641 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
642
|
|
|
643 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
644 "SSL server name: \"%s\"", servername);
|
|
|
645
|
|
400
|
646 len = ngx_strlen(servername);
|
|
|
647
|
|
|
648 if (len == 0) {
|
|
|
649 return SSL_TLSEXT_ERR_NOACK;
|
|
|
650 }
|
|
|
651
|
|
306
|
652 r = c->data;
|
|
|
653
|
|
400
|
654 if (ngx_http_find_virtual_server(r, (u_char *) servername, len) != NGX_OK) {
|
|
306
|
655 return SSL_TLSEXT_ERR_NOACK;
|
|
|
656 }
|
|
|
657
|
|
|
658 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
659
|
|
|
660 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
661
|
|
|
662 return SSL_TLSEXT_ERR_OK;
|
|
|
663 }
|
|
|
664
|
|
|
665 #endif
|
|
96
|
666
|
|
0
|
667 #endif
|
|
|
668
|
|
|
669
|
|
50
|
670 static void
|
|
|
671 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
672 {
|
|
342
|
673 ssize_t n;
|
|
|
674 ngx_int_t rc, rv;
|
|
|
675 ngx_connection_t *c;
|
|
|
676 ngx_http_request_t *r;
|
|
|
677 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
678
|
|
|
679 c = rev->data;
|
|
|
680 r = c->data;
|
|
|
681
|
|
|
682 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
683 "http process request line");
|
|
|
684
|
|
|
685 if (rev->timedout) {
|
|
54
|
686 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
687 c->timedout = 1;
|
|
|
688 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
689 return;
|
|
|
690 }
|
|
|
691
|
|
|
692 rc = NGX_AGAIN;
|
|
|
693
|
|
|
694 for ( ;; ) {
|
|
|
695
|
|
|
696 if (rc == NGX_AGAIN) {
|
|
|
697 n = ngx_http_read_request_header(r);
|
|
|
698
|
|
|
699 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
700 return;
|
|
|
701 }
|
|
|
702 }
|
|
|
703
|
|
|
704 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
705
|
|
|
706 if (rc == NGX_OK) {
|
|
|
707
|
|
|
708 /* the request line has been parsed successfully */
|
|
|
709
|
|
10
|
710 r->request_line.len = r->request_end - r->request_start;
|
|
|
711 r->request_line.data = r->request_start;
|
|
|
712
|
|
0
|
713
|
|
|
714 if (r->args_start) {
|
|
|
715 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
716 } else {
|
|
|
717 r->uri.len = r->uri_end - r->uri_start;
|
|
|
718 }
|
|
|
719
|
|
18
|
720
|
|
2
|
721 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
722
|
|
382
|
723 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
|
50
|
724 if (r->uri.data == NULL) {
|
|
10
|
725 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
726 return;
|
|
|
727 }
|
|
|
728
|
|
342
|
729 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
730
|
|
|
731 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
732
|
|
54
|
733 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
734 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
735 "client sent invalid request");
|
|
|
736 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
737 return;
|
|
|
738 }
|
|
|
739
|
|
|
740 } else {
|
|
10
|
741 r->uri.data = r->uri_start;
|
|
0
|
742 }
|
|
|
743
|
|
18
|
744
|
|
10
|
745 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
746 r->unparsed_uri.data = r->uri_start;
|
|
|
747
|
|
0
|
748
|
|
58
|
749 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
750 r->method_name.data = r->request_line.data;
|
|
0
|
751
|
|
10
|
752
|
|
28
|
753 if (r->http_protocol.data) {
|
|
|
754 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
0
|
758 if (r->uri_ext) {
|
|
|
759 if (r->args_start) {
|
|
|
760 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
761 } else {
|
|
|
762 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
763 }
|
|
|
764
|
|
10
|
765 r->exten.data = r->uri_ext;
|
|
0
|
766 }
|
|
|
767
|
|
10
|
768
|
|
0
|
769 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
770 r->args.len = r->uri_end - r->args_start;
|
|
10
|
771 r->args.data = r->args_start;
|
|
0
|
772 }
|
|
|
773
|
|
508
|
774 #if (NGX_WIN32)
|
|
|
775 {
|
|
|
776 u_char *p;
|
|
|
777
|
|
|
778 p = r->uri.data + r->uri.len - 1;
|
|
|
779
|
|
|
780 if (*p == '.') {
|
|
|
781
|
|
|
782 while (--p > r->uri.data && *p == '.') { /* void */ }
|
|
|
783
|
|
|
784 r->uri.len = p + 1 - r->uri.data;
|
|
|
785
|
|
|
786 ngx_http_set_exten(r);
|
|
|
787 }
|
|
|
788 }
|
|
|
789 #endif
|
|
10
|
790
|
|
|
791 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
792 "http request line: \"%V\"", &r->request_line);
|
|
|
793
|
|
0
|
794 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
795 "http uri: \"%V\"", &r->uri);
|
|
0
|
796
|
|
|
797 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
798 "http args: \"%V\"", &r->args);
|
|
0
|
799
|
|
|
800 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
801 "http exten: \"%V\"", &r->exten);
|
|
|
802
|
|
376
|
803 if (r->host_start && r->host_end) {
|
|
|
804 n = ngx_http_validate_host(r->host_start,
|
|
|
805 r->host_end - r->host_start);
|
|
|
806
|
|
|
807 if (n <= 0) {
|
|
|
808 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
809 "client sent invalid host in request line");
|
|
|
810 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
811 return;
|
|
|
812 }
|
|
|
813
|
|
|
814 r->headers_in.server.len = n;
|
|
|
815 r->headers_in.server.data = r->host_start;
|
|
|
816 }
|
|
|
817
|
|
0
|
818 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
819
|
|
|
820 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
821 r->headers_in.server.len)
|
|
|
822 == NGX_ERROR)
|
|
|
823 {
|
|
|
824 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
825 return;
|
|
|
826 }
|
|
|
827
|
|
308
|
828 ngx_http_process_request(r);
|
|
0
|
829 return;
|
|
|
830 }
|
|
|
831
|
|
|
832
|
|
|
833 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
834 sizeof(ngx_table_elt_t))
|
|
454
|
835 != NGX_OK)
|
|
0
|
836 {
|
|
|
837 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
838 return;
|
|
|
839 }
|
|
|
840
|
|
|
841
|
|
48
|
842 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
843 sizeof(ngx_table_elt_t *))
|
|
454
|
844 != NGX_OK)
|
|
0
|
845 {
|
|
|
846 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
847 return;
|
|
|
848 }
|
|
|
849
|
|
32
|
850 c->log->action = "reading client request headers";
|
|
0
|
851
|
|
58
|
852 rev->handler = ngx_http_process_request_headers;
|
|
0
|
853 ngx_http_process_request_headers(rev);
|
|
|
854
|
|
|
855 return;
|
|
54
|
856 }
|
|
|
857
|
|
|
858 if (rc != NGX_AGAIN) {
|
|
0
|
859
|
|
|
860 /* there was error while a request line parsing */
|
|
|
861
|
|
54
|
862 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
863 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
864 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
865 return;
|
|
|
866 }
|
|
|
867
|
|
|
868 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
869
|
|
|
870 if (r->header_in->pos == r->header_in->end) {
|
|
|
871
|
|
|
872 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
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 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
881 r->request_line.data = r->request_start;
|
|
|
882
|
|
|
883 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
884 "client sent too long URI");
|
|
|
885 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
886 return;
|
|
|
887 }
|
|
|
888 }
|
|
|
889 }
|
|
|
890 }
|
|
|
891
|
|
|
892
|
|
50
|
893 static void
|
|
|
894 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
895 {
|
|
56
|
896 ssize_t n;
|
|
|
897 ngx_int_t rc, rv;
|
|
|
898 ngx_str_t header;
|
|
58
|
899 ngx_table_elt_t *h;
|
|
56
|
900 ngx_connection_t *c;
|
|
|
901 ngx_http_header_t *hh;
|
|
|
902 ngx_http_request_t *r;
|
|
60
|
903 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
904 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
905
|
|
|
906 c = rev->data;
|
|
|
907 r = c->data;
|
|
|
908
|
|
|
909 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
910 "http process request header line");
|
|
|
911
|
|
|
912 if (rev->timedout) {
|
|
54
|
913 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
914 c->timedout = 1;
|
|
|
915 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
916 return;
|
|
|
917 }
|
|
|
918
|
|
56
|
919 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
920 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
921
|
|
0
|
922 rc = NGX_AGAIN;
|
|
|
923
|
|
|
924 for ( ;; ) {
|
|
|
925
|
|
|
926 if (rc == NGX_AGAIN) {
|
|
|
927
|
|
|
928 if (r->header_in->pos == r->header_in->end) {
|
|
|
929
|
|
|
930 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
931
|
|
|
932 if (rv == NGX_ERROR) {
|
|
|
933 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
934 return;
|
|
|
935 }
|
|
|
936
|
|
|
937 if (rv == NGX_DECLINED) {
|
|
54
|
938 header.len = r->header_in->end - r->header_name_start;
|
|
|
939 header.data = r->header_name_start;
|
|
80
|
940
|
|
|
941 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
942 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
943 header.data[header.len++] = '.';
|
|
|
944 header.data[header.len++] = '.';
|
|
|
945 header.data[header.len++] = '.';
|
|
|
946 }
|
|
|
947
|
|
54
|
948 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
949 "client sent too long header line: \"%V\"",
|
|
|
950 &header);
|
|
330
|
951 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
952 return;
|
|
|
953 }
|
|
|
954 }
|
|
|
955
|
|
|
956 n = ngx_http_read_request_header(r);
|
|
|
957
|
|
|
958 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
959 return;
|
|
|
960 }
|
|
|
961 }
|
|
|
962
|
|
412
|
963 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
|
964 cscf->underscores_in_headers);
|
|
0
|
965
|
|
|
966 if (rc == NGX_OK) {
|
|
|
967
|
|
60
|
968 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
969
|
|
|
970 /* there was error while a header line parsing */
|
|
|
971
|
|
|
972 header.len = r->header_end - r->header_name_start;
|
|
|
973 header.data = r->header_name_start;
|
|
|
974
|
|
54
|
975 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
976 "client sent invalid header line: \"%V\"",
|
|
52
|
977 &header);
|
|
|
978 continue;
|
|
|
979 }
|
|
|
980
|
|
0
|
981 /* a header line has been parsed successfully */
|
|
|
982
|
|
50
|
983 h = ngx_list_push(&r->headers_in.headers);
|
|
|
984 if (h == NULL) {
|
|
0
|
985 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
986 return;
|
|
|
987 }
|
|
|
988
|
|
56
|
989 h->hash = r->header_hash;
|
|
|
990
|
|
0
|
991 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
992 h->key.data = r->header_name_start;
|
|
|
993 h->key.data[h->key.len] = '\0';
|
|
|
994
|
|
|
995 h->value.len = r->header_end - r->header_start;
|
|
|
996 h->value.data = r->header_start;
|
|
|
997 h->value.data[h->value.len] = '\0';
|
|
|
998
|
|
382
|
999 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
|
198
|
1000 if (h->lowcase_key == NULL) {
|
|
|
1001 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1002 return;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 if (h->key.len == r->lowcase_index) {
|
|
|
1006 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1007
|
|
|
1008 } else {
|
|
392
|
1009 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
0
|
1010 }
|
|
|
1011
|
|
198
|
1012 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
1013 h->lowcase_key, h->key.len);
|
|
|
1014
|
|
|
1015 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1016 return;
|
|
|
1017 }
|
|
|
1018
|
|
0
|
1019 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1020 "http header: \"%V: %V\"",
|
|
|
1021 &h->key, &h->value);
|
|
0
|
1022
|
|
|
1023 continue;
|
|
54
|
1024 }
|
|
|
1025
|
|
|
1026 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
1027
|
|
|
1028 /* a whole header has been parsed successfully */
|
|
|
1029
|
|
|
1030 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1031 "http header done");
|
|
|
1032
|
|
24
|
1033 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
1034
|
|
0
|
1035 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
1036
|
|
|
1037 rc = ngx_http_process_request_header(r);
|
|
|
1038
|
|
|
1039 if (rc != NGX_OK) {
|
|
|
1040 return;
|
|
|
1041 }
|
|
|
1042
|
|
308
|
1043 ngx_http_process_request(r);
|
|
86
|
1044
|
|
0
|
1045 return;
|
|
54
|
1046 }
|
|
|
1047
|
|
|
1048 if (rc == NGX_AGAIN) {
|
|
|
1049
|
|
|
1050 /* a header line parsing is still not complete */
|
|
|
1051
|
|
|
1052 continue;
|
|
0
|
1053 }
|
|
|
1054
|
|
54
|
1055 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
1056
|
|
|
1057 header.len = r->header_end - r->header_name_start;
|
|
|
1058 header.data = r->header_name_start;
|
|
|
1059 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1060 "client sent invalid header line: \"%V\\r...\"",
|
|
|
1061 &header);
|
|
330
|
1062 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
1063 return;
|
|
0
|
1064 }
|
|
|
1065 }
|
|
|
1066
|
|
|
1067
|
|
50
|
1068 static ssize_t
|
|
|
1069 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1070 {
|
|
|
1071 ssize_t n;
|
|
|
1072 ngx_event_t *rev;
|
|
230
|
1073 ngx_connection_t *c;
|
|
0
|
1074 ngx_http_core_srv_conf_t *cscf;
|
|
|
1075
|
|
230
|
1076 c = r->connection;
|
|
|
1077 rev = c->read;
|
|
0
|
1078
|
|
|
1079 n = r->header_in->last - r->header_in->pos;
|
|
|
1080
|
|
|
1081 if (n > 0) {
|
|
|
1082 return n;
|
|
|
1083 }
|
|
|
1084
|
|
72
|
1085 if (rev->ready) {
|
|
230
|
1086 n = c->recv(c, r->header_in->last,
|
|
|
1087 r->header_in->end - r->header_in->last);
|
|
72
|
1088 } else {
|
|
|
1089 n = NGX_AGAIN;
|
|
0
|
1090 }
|
|
|
1091
|
|
|
1092 if (n == NGX_AGAIN) {
|
|
364
|
1093 if (!rev->timer_set) {
|
|
0
|
1094 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1095 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1096 }
|
|
|
1097
|
|
430
|
1098 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
1099 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1100 return NGX_ERROR;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 return NGX_AGAIN;
|
|
|
1104 }
|
|
|
1105
|
|
|
1106 if (n == 0) {
|
|
230
|
1107 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1108 "client closed prematurely connection");
|
|
|
1109 }
|
|
|
1110
|
|
|
1111 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1112 c->error = 1;
|
|
|
1113 c->log->action = "reading client request headers";
|
|
|
1114
|
|
|
1115 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1116 return NGX_ERROR;
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 r->header_in->last += n;
|
|
|
1120
|
|
|
1121 return n;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124
|
|
50
|
1125 static ngx_int_t
|
|
|
1126 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1127 ngx_uint_t request_line)
|
|
0
|
1128 {
|
|
|
1129 u_char *old, *new;
|
|
|
1130 ngx_buf_t *b;
|
|
|
1131 ngx_http_connection_t *hc;
|
|
|
1132 ngx_http_core_srv_conf_t *cscf;
|
|
|
1133
|
|
|
1134 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1135 "http alloc large header buffer");
|
|
|
1136
|
|
|
1137 if (request_line && r->state == 0) {
|
|
|
1138
|
|
|
1139 /* the client fills up the buffer with "\r\n" */
|
|
|
1140
|
|
24
|
1141 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1142
|
|
0
|
1143 r->header_in->pos = r->header_in->start;
|
|
|
1144 r->header_in->last = r->header_in->start;
|
|
|
1145
|
|
|
1146 return NGX_OK;
|
|
|
1147 }
|
|
|
1148
|
|
|
1149 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1150
|
|
|
1151 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1152
|
|
|
1153 if (r->state != 0
|
|
|
1154 && (size_t) (r->header_in->pos - old)
|
|
|
1155 >= cscf->large_client_header_buffers.size)
|
|
|
1156 {
|
|
|
1157 return NGX_DECLINED;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160 hc = r->http_connection;
|
|
|
1161
|
|
|
1162 if (hc->nfree) {
|
|
|
1163 b = hc->free[--hc->nfree];
|
|
|
1164
|
|
|
1165 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1166 "http large header free: %p %uz",
|
|
0
|
1167 b->pos, b->end - b->last);
|
|
|
1168
|
|
|
1169 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1170
|
|
|
1171 if (hc->busy == NULL) {
|
|
|
1172 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1173 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1174 if (hc->busy == NULL) {
|
|
|
1175 return NGX_ERROR;
|
|
|
1176 }
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1180 cscf->large_client_header_buffers.size);
|
|
|
1181 if (b == NULL) {
|
|
|
1182 return NGX_ERROR;
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1186 "http large header alloc: %p %uz",
|
|
0
|
1187 b->pos, b->end - b->last);
|
|
|
1188
|
|
|
1189 } else {
|
|
|
1190 return NGX_DECLINED;
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 hc->busy[hc->nbusy++] = b;
|
|
|
1194
|
|
|
1195 if (r->state == 0) {
|
|
|
1196 /*
|
|
|
1197 * r->state == 0 means that a header line was parsed successfully
|
|
|
1198 * and we do not need to copy incomplete header line and
|
|
|
1199 * to relocate the parser header pointers
|
|
|
1200 */
|
|
|
1201
|
|
24
|
1202 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1203
|
|
0
|
1204 r->header_in = b;
|
|
|
1205
|
|
|
1206 return NGX_OK;
|
|
|
1207 }
|
|
|
1208
|
|
|
1209 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1210 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1211
|
|
24
|
1212 r->request_length += old - r->header_in->start;
|
|
|
1213
|
|
0
|
1214 new = b->start;
|
|
|
1215
|
|
|
1216 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1217
|
|
|
1218 b->pos = new + (r->header_in->pos - old);
|
|
|
1219 b->last = new + (r->header_in->pos - old);
|
|
|
1220
|
|
|
1221 if (request_line) {
|
|
|
1222 r->request_start = new;
|
|
|
1223
|
|
|
1224 if (r->request_end) {
|
|
|
1225 r->request_end = new + (r->request_end - old);
|
|
|
1226 }
|
|
|
1227
|
|
|
1228 r->method_end = new + (r->method_end - old);
|
|
|
1229
|
|
|
1230 r->uri_start = new + (r->uri_start - old);
|
|
|
1231 r->uri_end = new + (r->uri_end - old);
|
|
|
1232
|
|
|
1233 if (r->schema_start) {
|
|
|
1234 r->schema_start = new + (r->schema_start - old);
|
|
|
1235 r->schema_end = new + (r->schema_end - old);
|
|
|
1236 }
|
|
|
1237
|
|
|
1238 if (r->host_start) {
|
|
|
1239 r->host_start = new + (r->host_start - old);
|
|
270
|
1240 if (r->host_end) {
|
|
|
1241 r->host_end = new + (r->host_end - old);
|
|
|
1242 }
|
|
0
|
1243 }
|
|
|
1244
|
|
|
1245 if (r->port_start) {
|
|
|
1246 r->port_start = new + (r->port_start - old);
|
|
|
1247 r->port_end = new + (r->port_end - old);
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 if (r->uri_ext) {
|
|
|
1251 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 if (r->args_start) {
|
|
|
1255 r->args_start = new + (r->args_start - old);
|
|
|
1256 }
|
|
|
1257
|
|
354
|
1258 if (r->http_protocol.data) {
|
|
|
1259 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1260 }
|
|
|
1261
|
|
0
|
1262 } else {
|
|
|
1263 r->header_name_start = new;
|
|
|
1264 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1265 r->header_start = new + (r->header_start - old);
|
|
|
1266 r->header_end = new + (r->header_end - old);
|
|
|
1267 }
|
|
|
1268
|
|
|
1269 r->header_in = b;
|
|
|
1270
|
|
|
1271 return NGX_OK;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274
|
|
50
|
1275 static ngx_int_t
|
|
58
|
1276 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1277 ngx_uint_t offset)
|
|
|
1278 {
|
|
|
1279 ngx_table_elt_t **ph;
|
|
|
1280
|
|
|
1281 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1282
|
|
|
1283 if (*ph == NULL) {
|
|
|
1284 *ph = h;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 return NGX_OK;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290
|
|
|
1291 static ngx_int_t
|
|
72
|
1292 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1293 ngx_uint_t offset)
|
|
|
1294 {
|
|
|
1295 ngx_table_elt_t **ph;
|
|
|
1296
|
|
|
1297 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1298
|
|
|
1299 if (*ph == NULL) {
|
|
|
1300 *ph = h;
|
|
|
1301 return NGX_OK;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1305 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1306 "previous value: \"%V: %V\"",
|
|
|
1307 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1308
|
|
|
1309 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1310
|
|
|
1311 return NGX_ERROR;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314
|
|
|
1315 static ngx_int_t
|
|
376
|
1316 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1317 ngx_uint_t offset)
|
|
|
1318 {
|
|
|
1319 ssize_t len;
|
|
|
1320
|
|
|
1321 if (r->headers_in.host == NULL) {
|
|
|
1322 r->headers_in.host = h;
|
|
|
1323 }
|
|
|
1324
|
|
|
1325 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1326
|
|
|
1327 if (len <= 0) {
|
|
|
1328 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1329 "client sent invalid host header");
|
|
|
1330 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1331 return NGX_ERROR;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 if (r->headers_in.server.len) {
|
|
|
1335 return NGX_OK;
|
|
|
1336 }
|
|
|
1337
|
|
|
1338 r->headers_in.server.len = len;
|
|
|
1339 r->headers_in.server.data = h->value.data;
|
|
|
1340
|
|
|
1341 return NGX_OK;
|
|
|
1342 }
|
|
|
1343
|
|
|
1344
|
|
|
1345 static ngx_int_t
|
|
336
|
1346 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1347 ngx_uint_t offset)
|
|
|
1348 {
|
|
340
|
1349 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1350 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1351
|
|
340
|
1352 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1353 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1354 }
|
|
|
1355
|
|
|
1356 return NGX_OK;
|
|
|
1357 }
|
|
|
1358
|
|
|
1359
|
|
|
1360 static ngx_int_t
|
|
376
|
1361 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1362 ngx_uint_t offset)
|
|
|
1363 {
|
|
400
|
1364 u_char *user_agent, *msie;
|
|
376
|
1365
|
|
|
1366 if (r->headers_in.user_agent) {
|
|
|
1367 return NGX_OK;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 r->headers_in.user_agent = h;
|
|
|
1371
|
|
|
1372 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1373
|
|
|
1374 user_agent = h->value.data;
|
|
|
1375
|
|
400
|
1376 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
|
1377
|
|
|
1378 if (msie && msie + 7 < user_agent + h->value.len) {
|
|
376
|
1379
|
|
|
1380 r->headers_in.msie = 1;
|
|
|
1381
|
|
400
|
1382 if (msie[6] == '.') {
|
|
|
1383
|
|
|
1384 switch (msie[5]) {
|
|
|
1385 case '4':
|
|
|
1386 r->headers_in.msie4 = 1;
|
|
|
1387 /* fall through */
|
|
|
1388 case '5':
|
|
518
|
1389 r->headers_in.msie6 = 1;
|
|
|
1390 break;
|
|
400
|
1391 case '6':
|
|
518
|
1392 if (ngx_strstrn(msie + 8, "SV1", 3 - 1) == NULL) {
|
|
|
1393 r->headers_in.msie6 = 1;
|
|
|
1394 }
|
|
|
1395 break;
|
|
400
|
1396 }
|
|
376
|
1397 }
|
|
|
1398
|
|
|
1399 #if 0
|
|
|
1400 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1401 if (c->ssl) {
|
|
|
1402 c->ssl->no_send_shutdown = 1;
|
|
|
1403 }
|
|
|
1404 #endif
|
|
|
1405 }
|
|
|
1406
|
|
|
1407 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1408 r->headers_in.opera = 1;
|
|
|
1409 r->headers_in.msie = 0;
|
|
|
1410 r->headers_in.msie4 = 0;
|
|
400
|
1411 r->headers_in.msie6 = 0;
|
|
376
|
1412 }
|
|
|
1413
|
|
|
1414 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1415
|
|
|
1416 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1417 r->headers_in.gecko = 1;
|
|
|
1418
|
|
|
1419 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1420 r->headers_in.konqueror = 1;
|
|
|
1421 }
|
|
|
1422 }
|
|
|
1423
|
|
|
1424 return NGX_OK;
|
|
|
1425 }
|
|
|
1426
|
|
|
1427
|
|
|
1428 static ngx_int_t
|
|
58
|
1429 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1430 ngx_uint_t offset)
|
|
|
1431 {
|
|
|
1432 ngx_table_elt_t **cookie;
|
|
|
1433
|
|
|
1434 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1435 if (cookie) {
|
|
|
1436 *cookie = h;
|
|
|
1437 return NGX_OK;
|
|
58
|
1438 }
|
|
|
1439
|
|
72
|
1440 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1441
|
|
|
1442 return NGX_ERROR;
|
|
58
|
1443 }
|
|
|
1444
|
|
|
1445
|
|
|
1446 static ngx_int_t
|
|
50
|
1447 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1448 {
|
|
376
|
1449 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1450 r->headers_in.server.len)
|
|
|
1451 == NGX_ERROR)
|
|
|
1452 {
|
|
|
1453 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1454 return NGX_ERROR;
|
|
|
1455 }
|
|
|
1456
|
|
|
1457 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1458 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1459 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1460 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1461 return NGX_ERROR;
|
|
0
|
1462 }
|
|
|
1463
|
|
|
1464 if (r->headers_in.content_length) {
|
|
|
1465 r->headers_in.content_length_n =
|
|
212
|
1466 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1467 r->headers_in.content_length->value.len);
|
|
|
1468
|
|
|
1469 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1470 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1471 "client sent invalid \"Content-Length\" header");
|
|
130
|
1472 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1473 return NGX_ERROR;
|
|
0
|
1474 }
|
|
|
1475 }
|
|
|
1476
|
|
426
|
1477 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1478 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1479 "client sent %V method without \"Content-Length\" header",
|
|
|
1480 &r->method_name);
|
|
130
|
1481 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1482 return NGX_ERROR;
|
|
|
1483 }
|
|
|
1484
|
|
336
|
1485 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1486 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1487 "client sent TRACE method");
|
|
|
1488 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1489 return NGX_ERROR;
|
|
|
1490 }
|
|
|
1491
|
|
130
|
1492 if (r->headers_in.transfer_encoding
|
|
340
|
1493 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1494 "chunked", 7 - 1))
|
|
130
|
1495 {
|
|
|
1496 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1497 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1498 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1499 return NGX_ERROR;
|
|
0
|
1500 }
|
|
|
1501
|
|
336
|
1502 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1503 if (r->headers_in.keep_alive) {
|
|
|
1504 r->headers_in.keep_alive_n =
|
|
|
1505 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1506 r->headers_in.keep_alive->value.len);
|
|
0
|
1507 }
|
|
|
1508 }
|
|
|
1509
|
|
308
|
1510 return NGX_OK;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513
|
|
|
1514 static void
|
|
|
1515 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1516 {
|
|
356
|
1517 ngx_connection_t *c;
|
|
308
|
1518
|
|
|
1519 c = r->connection;
|
|
|
1520
|
|
354
|
1521 if (r->plain_http) {
|
|
|
1522 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1523 "client sent plain HTTP request to HTTPS port");
|
|
|
1524 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1525 return;
|
|
|
1526 }
|
|
|
1527
|
|
308
|
1528 #if (NGX_HTTP_SSL)
|
|
|
1529
|
|
|
1530 if (c->ssl) {
|
|
356
|
1531 long rc;
|
|
372
|
1532 X509 *cert;
|
|
356
|
1533 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1534
|
|
218
|
1535 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1536
|
|
510
|
1537 if (sscf->verify) {
|
|
308
|
1538 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1539
|
|
|
1540 if (rc != X509_V_OK) {
|
|
308
|
1541 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1542 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1543 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1544
|
|
|
1545 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1546 (SSL_get0_session(c->ssl->connection)));
|
|
|
1547
|
|
218
|
1548 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1549 return;
|
|
218
|
1550 }
|
|
|
1551
|
|
510
|
1552 if (sscf->verify == 1) {
|
|
|
1553 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1554
|
|
|
1555 if (cert == NULL) {
|
|
|
1556 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1557 "client sent no required SSL certificate");
|
|
|
1558
|
|
|
1559 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
366
|
1560 (SSL_get0_session(c->ssl->connection)));
|
|
|
1561
|
|
510
|
1562 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
|
1563 return;
|
|
|
1564 }
|
|
|
1565
|
|
|
1566 X509_free(cert);
|
|
218
|
1567 }
|
|
|
1568 }
|
|
|
1569 }
|
|
|
1570
|
|
|
1571 #endif
|
|
|
1572
|
|
308
|
1573 if (c->read->timer_set) {
|
|
|
1574 ngx_del_timer(c->read);
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 #if (NGX_STAT_STUB)
|
|
502
|
1578 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
308
|
1579 r->stat_reading = 0;
|
|
502
|
1580 (void) ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
308
|
1581 r->stat_writing = 1;
|
|
|
1582 #endif
|
|
|
1583
|
|
|
1584 c->read->handler = ngx_http_request_handler;
|
|
|
1585 c->write->handler = ngx_http_request_handler;
|
|
326
|
1586 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1587
|
|
|
1588 ngx_http_handler(r);
|
|
|
1589
|
|
426
|
1590 ngx_http_run_posted_requests(c);
|
|
0
|
1591 }
|
|
|
1592
|
|
|
1593
|
|
376
|
1594 static ssize_t
|
|
|
1595 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1596 {
|
|
376
|
1597 u_char ch;
|
|
|
1598 size_t i, last;
|
|
|
1599 ngx_uint_t dot;
|
|
|
1600
|
|
|
1601 last = len;
|
|
|
1602 dot = 0;
|
|
|
1603
|
|
|
1604 for (i = 0; i < len; i++) {
|
|
|
1605 ch = host[i];
|
|
|
1606
|
|
|
1607 if (ch == '.') {
|
|
|
1608 if (dot) {
|
|
|
1609 return -1;
|
|
|
1610 }
|
|
|
1611
|
|
|
1612 dot = 1;
|
|
|
1613 continue;
|
|
|
1614 }
|
|
|
1615
|
|
|
1616 dot = 0;
|
|
|
1617
|
|
|
1618 if (ch == ':') {
|
|
|
1619 last = i;
|
|
|
1620 continue;
|
|
|
1621 }
|
|
|
1622
|
|
482
|
1623 if (ngx_path_separator(ch) || ch == '\0') {
|
|
376
|
1624 return -1;
|
|
|
1625 }
|
|
|
1626 }
|
|
|
1627
|
|
|
1628 if (dot) {
|
|
|
1629 last--;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 return last;
|
|
|
1633 }
|
|
|
1634
|
|
|
1635
|
|
|
1636 static ngx_int_t
|
|
|
1637 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1638 {
|
|
392
|
1639 u_char *server;
|
|
|
1640 ngx_uint_t hash;
|
|
142
|
1641 ngx_http_core_loc_conf_t *clcf;
|
|
|
1642 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1643 u_char buf[32];
|
|
|
1644
|
|
478
|
1645 if (r->virtual_names == NULL) {
|
|
376
|
1646 return NGX_DECLINED;
|
|
|
1647 }
|
|
|
1648
|
|
|
1649 if (len <= 32) {
|
|
|
1650 server = buf;
|
|
|
1651
|
|
|
1652 } else {
|
|
382
|
1653 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1654 if (server == NULL) {
|
|
|
1655 return NGX_ERROR;
|
|
|
1656 }
|
|
|
1657 }
|
|
|
1658
|
|
392
|
1659 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1660
|
|
478
|
1661 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, server, len);
|
|
312
|
1662
|
|
|
1663 if (cscf) {
|
|
|
1664 goto found;
|
|
26
|
1665 }
|
|
|
1666
|
|
326
|
1667 #if (NGX_PCRE)
|
|
|
1668
|
|
478
|
1669 if (r->virtual_names->nregex) {
|
|
460
|
1670 size_t ncaptures;
|
|
356
|
1671 ngx_int_t n;
|
|
|
1672 ngx_uint_t i;
|
|
|
1673 ngx_str_t name;
|
|
|
1674 ngx_http_server_name_t *sn;
|
|
326
|
1675
|
|
|
1676 name.len = len;
|
|
376
|
1677 name.data = server;
|
|
326
|
1678
|
|
456
|
1679 ncaptures = 0;
|
|
|
1680
|
|
478
|
1681 sn = r->virtual_names->regex;
|
|
|
1682
|
|
|
1683 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
326
|
1684
|
|
456
|
1685 if (sn[i].captures && r->captures == NULL) {
|
|
|
1686
|
|
458
|
1687 ncaptures = (NGX_HTTP_MAX_CAPTURES + 1) * 3;
|
|
|
1688
|
|
|
1689 r->captures = ngx_palloc(r->pool, ncaptures * sizeof(int));
|
|
456
|
1690 if (r->captures == NULL) {
|
|
|
1691 return NGX_ERROR;
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 if (server == buf) {
|
|
|
1695 server = ngx_pnalloc(r->pool, len);
|
|
|
1696 if (server == NULL) {
|
|
|
1697 return NGX_ERROR;
|
|
|
1698 }
|
|
|
1699
|
|
|
1700 ngx_memcpy(server, buf, len);
|
|
|
1701 name.data = server;
|
|
|
1702 }
|
|
|
1703 }
|
|
|
1704
|
|
|
1705 n = ngx_regex_exec(sn[i].regex, &name, r->captures, ncaptures);
|
|
326
|
1706
|
|
|
1707 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1708 continue;
|
|
|
1709 }
|
|
|
1710
|
|
|
1711 if (n < 0) {
|
|
|
1712 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1713 ngx_regex_exec_n
|
|
|
1714 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1715 n, &name, &sn[i].name);
|
|
376
|
1716 return NGX_ERROR;
|
|
326
|
1717 }
|
|
|
1718
|
|
|
1719 /* match */
|
|
|
1720
|
|
|
1721 cscf = sn[i].core_srv_conf;
|
|
|
1722
|
|
456
|
1723 r->ncaptures = ncaptures;
|
|
|
1724 r->captures_data = server;
|
|
|
1725
|
|
326
|
1726 goto found;
|
|
|
1727 }
|
|
|
1728 }
|
|
|
1729
|
|
|
1730 #endif
|
|
|
1731
|
|
376
|
1732 return NGX_OK;
|
|
58
|
1733
|
|
|
1734 found:
|
|
|
1735
|
|
142
|
1736 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1737 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1738
|
|
|
1739 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
484
|
1740 r->connection->log->file = clcf->error_log->file;
|
|
58
|
1741
|
|
|
1742 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
484
|
1743 r->connection->log->log_level = clcf->error_log->log_level;
|
|
26
|
1744 }
|
|
|
1745
|
|
376
|
1746 return NGX_OK;
|
|
26
|
1747 }
|
|
|
1748
|
|
|
1749
|
|
58
|
1750 static void
|
|
|
1751 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1752 {
|
|
|
1753 ngx_connection_t *c;
|
|
|
1754 ngx_http_request_t *r;
|
|
214
|
1755 ngx_http_log_ctx_t *ctx;
|
|
58
|
1756
|
|
|
1757 c = ev->data;
|
|
|
1758 r = c->data;
|
|
|
1759
|
|
214
|
1760 ctx = c->log->data;
|
|
|
1761 ctx->current_request = r;
|
|
|
1762
|
|
426
|
1763 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1764 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1765
|
|
58
|
1766 if (ev->write) {
|
|
|
1767 r->write_event_handler(r);
|
|
|
1768
|
|
|
1769 } else {
|
|
|
1770 r->read_event_handler(r);
|
|
|
1771 }
|
|
426
|
1772
|
|
|
1773 ngx_http_run_posted_requests(c);
|
|
|
1774 }
|
|
|
1775
|
|
|
1776
|
|
|
1777 void
|
|
|
1778 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1779 {
|
|
|
1780 ngx_http_request_t *r;
|
|
|
1781 ngx_http_log_ctx_t *ctx;
|
|
|
1782 ngx_http_posted_request_t *pr;
|
|
|
1783
|
|
|
1784 for ( ;; ) {
|
|
|
1785
|
|
|
1786 if (c->destroyed) {
|
|
|
1787 return;
|
|
|
1788 }
|
|
|
1789
|
|
|
1790 r = c->data;
|
|
|
1791 pr = r->main->posted_requests;
|
|
|
1792
|
|
|
1793 if (pr == NULL) {
|
|
|
1794 return;
|
|
|
1795 }
|
|
|
1796
|
|
|
1797 r->main->posted_requests = pr->next;
|
|
|
1798
|
|
|
1799 r = pr->request;
|
|
|
1800
|
|
|
1801 ctx = c->log->data;
|
|
|
1802 ctx->current_request = r;
|
|
|
1803
|
|
|
1804 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1805 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1806
|
|
|
1807 r->write_event_handler(r);
|
|
|
1808 }
|
|
|
1809 }
|
|
|
1810
|
|
|
1811
|
|
|
1812 ngx_int_t
|
|
520
|
1813 ngx_http_post_request(ngx_http_request_t *r, ngx_http_posted_request_t *pr)
|
|
426
|
1814 {
|
|
520
|
1815 ngx_http_posted_request_t **p;
|
|
|
1816
|
|
426
|
1817 if (pr == NULL) {
|
|
520
|
1818 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1819 if (pr == NULL) {
|
|
|
1820 return NGX_ERROR;
|
|
|
1821 }
|
|
426
|
1822 }
|
|
|
1823
|
|
|
1824 pr->request = r;
|
|
|
1825 pr->next = NULL;
|
|
|
1826
|
|
|
1827 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1828
|
|
|
1829 *p = pr;
|
|
|
1830
|
|
|
1831 return NGX_OK;
|
|
58
|
1832 }
|
|
|
1833
|
|
|
1834
|
|
50
|
1835 void
|
|
58
|
1836 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1837 {
|
|
330
|
1838 ngx_connection_t *c;
|
|
58
|
1839 ngx_http_request_t *pr;
|
|
0
|
1840 ngx_http_core_loc_conf_t *clcf;
|
|
|
1841
|
|
518
|
1842 c = r->connection;
|
|
|
1843
|
|
|
1844 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1845 "http finalize request: %d, \"%V?%V\" a:%d, c:%d",
|
|
|
1846 rc, &r->uri, &r->args, r == c->data, r->main->count);
|
|
|
1847
|
|
58
|
1848 if (rc == NGX_DONE) {
|
|
518
|
1849 ngx_http_finalize_connection(r);
|
|
58
|
1850 return;
|
|
|
1851 }
|
|
|
1852
|
|
488
|
1853 if (rc == NGX_OK && r->filter_finalize) {
|
|
|
1854 c->error = 1;
|
|
|
1855 return;
|
|
|
1856 }
|
|
|
1857
|
|
230
|
1858 if (rc == NGX_DECLINED) {
|
|
|
1859 r->content_handler = NULL;
|
|
|
1860 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1861 ngx_http_core_run_phases(r);
|
|
|
1862 return;
|
|
|
1863 }
|
|
|
1864
|
|
248
|
1865 if (r != r->main && r->post_subrequest) {
|
|
|
1866 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1867 }
|
|
|
1868
|
|
358
|
1869 if (rc == NGX_ERROR
|
|
|
1870 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1871 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1872 || c->error)
|
|
|
1873 {
|
|
162
|
1874 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1875 return;
|
|
|
1876 }
|
|
|
1877
|
|
518
|
1878 if (r->main->blocked) {
|
|
|
1879 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1880 }
|
|
|
1881
|
|
|
1882 ngx_http_terminate_request(r, rc);
|
|
0
|
1883 return;
|
|
|
1884 }
|
|
|
1885
|
|
186
|
1886 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1887 || rc == NGX_HTTP_CREATED
|
|
|
1888 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1889 {
|
|
136
|
1890 if (rc == NGX_HTTP_CLOSE) {
|
|
518
|
1891 ngx_http_terminate_request(r, rc);
|
|
136
|
1892 return;
|
|
|
1893 }
|
|
|
1894
|
|
146
|
1895 if (r == r->main) {
|
|
330
|
1896 if (c->read->timer_set) {
|
|
|
1897 ngx_del_timer(c->read);
|
|
118
|
1898 }
|
|
|
1899
|
|
330
|
1900 if (c->write->timer_set) {
|
|
|
1901 ngx_del_timer(c->write);
|
|
118
|
1902 }
|
|
|
1903 }
|
|
|
1904
|
|
410
|
1905 c->read->handler = ngx_http_request_handler;
|
|
|
1906 c->write->handler = ngx_http_request_handler;
|
|
|
1907
|
|
118
|
1908 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1909 return;
|
|
|
1910 }
|
|
|
1911
|
|
426
|
1912 if (r != r->main) {
|
|
|
1913
|
|
|
1914 if (r->buffered || r->postponed) {
|
|
|
1915
|
|
|
1916 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
518
|
1917 ngx_http_terminate_request(r, 0);
|
|
426
|
1918 }
|
|
|
1919
|
|
74
|
1920 return;
|
|
|
1921 }
|
|
426
|
1922
|
|
|
1923 #if (NGX_DEBUG)
|
|
|
1924 if (r != c->data) {
|
|
|
1925 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1926 "http finalize non-active request: \"%V?%V\"",
|
|
|
1927 &r->uri, &r->args);
|
|
|
1928 }
|
|
|
1929 #endif
|
|
58
|
1930
|
|
|
1931 pr = r->parent;
|
|
|
1932
|
|
426
|
1933 if (r == c->data) {
|
|
|
1934
|
|
518
|
1935 r->main->count--;
|
|
|
1936
|
|
426
|
1937 if (!r->logged) {
|
|
|
1938
|
|
|
1939 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1940
|
|
|
1941 if (clcf->log_subrequest) {
|
|
|
1942 ngx_http_log_request(r);
|
|
|
1943 }
|
|
|
1944
|
|
|
1945 r->logged = 1;
|
|
|
1946
|
|
|
1947 } else {
|
|
|
1948 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1949 "subrequest: \"%V?%V\" logged again",
|
|
|
1950 &r->uri, &r->args);
|
|
|
1951 }
|
|
|
1952
|
|
|
1953 r->done = 1;
|
|
|
1954
|
|
|
1955 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1956 pr->postponed = pr->postponed->next;
|
|
|
1957 }
|
|
|
1958
|
|
|
1959 c->data = pr;
|
|
|
1960
|
|
|
1961 } else {
|
|
|
1962
|
|
|
1963 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1964
|
|
|
1965 if (r->waited) {
|
|
|
1966 r->done = 1;
|
|
|
1967 }
|
|
|
1968 }
|
|
|
1969
|
|
520
|
1970 if (ngx_http_post_request(pr, NULL) != NGX_OK) {
|
|
518
|
1971 r->main->count++;
|
|
|
1972 ngx_http_terminate_request(r, 0);
|
|
426
|
1973 return;
|
|
|
1974 }
|
|
|
1975
|
|
330
|
1976 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
426
|
1977 "http wake parent request: \"%V?%V\"",
|
|
|
1978 &pr->uri, &pr->args);
|
|
|
1979
|
|
|
1980 return;
|
|
|
1981 }
|
|
|
1982
|
|
518
|
1983 if (r->buffered || c->buffered || r->postponed || r->blocked) {
|
|
426
|
1984
|
|
|
1985 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
518
|
1986 ngx_http_terminate_request(r, 0);
|
|
58
|
1987 }
|
|
|
1988
|
|
|
1989 return;
|
|
|
1990 }
|
|
0
|
1991
|
|
426
|
1992 if (r != c->data) {
|
|
|
1993 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1994 "http finalize non-active request: \"%V?%V\"",
|
|
|
1995 &r->uri, &r->args);
|
|
0
|
1996 return;
|
|
76
|
1997 }
|
|
|
1998
|
|
426
|
1999 r->done = 1;
|
|
0
|
2000
|
|
178
|
2001 if (!r->post_action) {
|
|
|
2002 r->request_complete = 1;
|
|
|
2003 }
|
|
|
2004
|
|
162
|
2005 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
2006 return;
|
|
|
2007 }
|
|
|
2008
|
|
330
|
2009 if (c->read->timer_set) {
|
|
|
2010 ngx_del_timer(c->read);
|
|
|
2011 }
|
|
|
2012
|
|
|
2013 if (c->write->timer_set) {
|
|
|
2014 c->write->delayed = 0;
|
|
|
2015 ngx_del_timer(c->write);
|
|
0
|
2016 }
|
|
|
2017
|
|
518
|
2018 if (c->read->eof) {
|
|
|
2019 ngx_http_close_request(r, 0);
|
|
330
|
2020 return;
|
|
0
|
2021 }
|
|
|
2022
|
|
518
|
2023 ngx_http_finalize_connection(r);
|
|
|
2024 }
|
|
|
2025
|
|
|
2026
|
|
|
2027 static void
|
|
|
2028 ngx_http_terminate_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
2029 {
|
|
520
|
2030 ngx_http_cleanup_t *cln;
|
|
|
2031 ngx_http_request_t *mr;
|
|
|
2032 ngx_http_ephemeral_t *e;
|
|
518
|
2033
|
|
|
2034 mr = r->main;
|
|
|
2035
|
|
|
2036 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2037 "http terminate request count:%d", mr->count);
|
|
|
2038
|
|
|
2039 cln = mr->cleanup;
|
|
|
2040 mr->cleanup = NULL;
|
|
|
2041
|
|
|
2042 while (cln) {
|
|
|
2043 if (cln->handler) {
|
|
|
2044 cln->handler(cln->data);
|
|
|
2045 }
|
|
|
2046
|
|
|
2047 cln = cln->next;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2051 "http terminate cleanup count:%d blk:%d",
|
|
|
2052 mr->count, mr->blocked);
|
|
|
2053
|
|
|
2054 if (mr->write_event_handler) {
|
|
|
2055
|
|
|
2056 if (mr->blocked) {
|
|
|
2057 return;
|
|
|
2058 }
|
|
|
2059
|
|
520
|
2060 e = ngx_http_ephemeral(mr);
|
|
518
|
2061 mr->posted_requests = NULL;
|
|
|
2062 mr->write_event_handler = ngx_http_terminate_handler;
|
|
520
|
2063 (void) ngx_http_post_request(mr, &e->terminal_posted_request);
|
|
518
|
2064 return;
|
|
|
2065 }
|
|
|
2066
|
|
|
2067 ngx_http_close_request(mr, rc);
|
|
|
2068 }
|
|
|
2069
|
|
|
2070
|
|
|
2071 static void
|
|
|
2072 ngx_http_terminate_handler(ngx_http_request_t *r)
|
|
|
2073 {
|
|
|
2074 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2075 "http terminate handler count:%d", r->count);
|
|
|
2076
|
|
|
2077 r->count = 1;
|
|
|
2078
|
|
|
2079 ngx_http_close_request(r, 0);
|
|
|
2080 }
|
|
|
2081
|
|
|
2082
|
|
|
2083 static void
|
|
|
2084 ngx_http_finalize_connection(ngx_http_request_t *r)
|
|
|
2085 {
|
|
|
2086 ngx_http_core_loc_conf_t *clcf;
|
|
|
2087
|
|
|
2088 if (r->main->count != 1) {
|
|
330
|
2089 ngx_http_close_request(r, 0);
|
|
138
|
2090 return;
|
|
|
2091 }
|
|
|
2092
|
|
426
|
2093 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2094
|
|
0
|
2095 if (!ngx_terminate
|
|
|
2096 && !ngx_exiting
|
|
378
|
2097 && r->keepalive
|
|
0
|
2098 && clcf->keepalive_timeout > 0)
|
|
|
2099 {
|
|
|
2100 ngx_http_set_keepalive(r);
|
|
|
2101 return;
|
|
|
2102
|
|
|
2103 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
2104 ngx_http_set_lingering_close(r);
|
|
|
2105 return;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108 ngx_http_close_request(r, 0);
|
|
|
2109 }
|
|
|
2110
|
|
|
2111
|
|
74
|
2112 static ngx_int_t
|
|
50
|
2113 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
2114 {
|
|
|
2115 ngx_event_t *wev;
|
|
|
2116 ngx_http_core_loc_conf_t *clcf;
|
|
|
2117
|
|
58
|
2118 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
2119
|
|
326
|
2120 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
2121 r->write_event_handler = ngx_http_writer;
|
|
|
2122
|
|
0
|
2123 wev = r->connection->write;
|
|
|
2124
|
|
|
2125 if (wev->ready && wev->delayed) {
|
|
74
|
2126 return NGX_OK;
|
|
0
|
2127 }
|
|
|
2128
|
|
58
|
2129 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
2130 if (!wev->delayed) {
|
|
|
2131 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2132 }
|
|
|
2133
|
|
430
|
2134 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
0
|
2135 ngx_http_close_request(r, 0);
|
|
74
|
2136 return NGX_ERROR;
|
|
0
|
2137 }
|
|
74
|
2138
|
|
|
2139 return NGX_OK;
|
|
0
|
2140 }
|
|
|
2141
|
|
|
2142
|
|
58
|
2143 static void
|
|
|
2144 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
2145 {
|
|
|
2146 int rc;
|
|
58
|
2147 ngx_event_t *wev;
|
|
0
|
2148 ngx_connection_t *c;
|
|
|
2149 ngx_http_core_loc_conf_t *clcf;
|
|
|
2150
|
|
58
|
2151 c = r->connection;
|
|
|
2152 wev = c->write;
|
|
|
2153
|
|
132
|
2154 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2155 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2156
|
|
426
|
2157 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2158
|
|
0
|
2159 if (wev->timedout) {
|
|
|
2160 if (!wev->delayed) {
|
|
54
|
2161 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2162 "client timed out");
|
|
|
2163 c->timedout = 1;
|
|
116
|
2164
|
|
162
|
2165 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2166 return;
|
|
|
2167 }
|
|
|
2168
|
|
|
2169 wev->timedout = 0;
|
|
|
2170 wev->delayed = 0;
|
|
|
2171
|
|
|
2172 if (!wev->ready) {
|
|
|
2173 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2174
|
|
430
|
2175 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2176 ngx_http_close_request(r, 0);
|
|
0
|
2177 }
|
|
|
2178
|
|
|
2179 return;
|
|
|
2180 }
|
|
|
2181
|
|
|
2182 } else {
|
|
518
|
2183 if (wev->delayed || r->aio) {
|
|
0
|
2184 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2185 "http writer delayed");
|
|
|
2186
|
|
430
|
2187 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2188 ngx_http_close_request(r, 0);
|
|
0
|
2189 }
|
|
|
2190
|
|
|
2191 return;
|
|
|
2192 }
|
|
|
2193 }
|
|
|
2194
|
|
132
|
2195 rc = ngx_http_output_filter(r, NULL);
|
|
|
2196
|
|
|
2197 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2198 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2199 rc, &r->uri, &r->args);
|
|
0
|
2200
|
|
494
|
2201 if (rc == NGX_ERROR) {
|
|
|
2202 ngx_http_finalize_request(r, rc);
|
|
|
2203 return;
|
|
|
2204 }
|
|
|
2205
|
|
426
|
2206 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2207
|
|
0
|
2208 if (!wev->ready && !wev->delayed) {
|
|
|
2209 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2210 }
|
|
|
2211
|
|
430
|
2212 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2213 ngx_http_close_request(r, 0);
|
|
0
|
2214 }
|
|
|
2215
|
|
426
|
2216 return;
|
|
0
|
2217 }
|
|
|
2218
|
|
132
|
2219 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2220 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2221
|
|
|
2222 ngx_http_finalize_request(r, rc);
|
|
|
2223 }
|
|
|
2224
|
|
|
2225
|
|
426
|
2226 static void
|
|
|
2227 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2228 {
|
|
|
2229 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2230 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2231
|
|
|
2232 ngx_http_finalize_request(r, 0);
|
|
|
2233 }
|
|
|
2234
|
|
|
2235
|
|
326
|
2236 void
|
|
|
2237 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2238 {
|
|
318
|
2239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2240 "http reading blocked");
|
|
318
|
2241
|
|
|
2242 /* aio does not call this handler */
|
|
|
2243
|
|
|
2244 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2245 && r->connection->read->active)
|
|
|
2246 {
|
|
430
|
2247 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
318
|
2248 ngx_http_close_request(r, 0);
|
|
|
2249 }
|
|
|
2250 }
|
|
|
2251 }
|
|
|
2252
|
|
|
2253
|
|
416
|
2254 void
|
|
326
|
2255 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2256 {
|
|
276
|
2257 int n;
|
|
|
2258 char buf[1];
|
|
|
2259 ngx_err_t err;
|
|
|
2260 ngx_event_t *rev;
|
|
|
2261 ngx_connection_t *c;
|
|
|
2262
|
|
|
2263 c = r->connection;
|
|
|
2264 rev = c->read;
|
|
|
2265
|
|
326
|
2266 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2267
|
|
|
2268 #if (NGX_HAVE_KQUEUE)
|
|
|
2269
|
|
|
2270 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2271
|
|
|
2272 if (!rev->pending_eof) {
|
|
|
2273 return;
|
|
|
2274 }
|
|
|
2275
|
|
|
2276 rev->eof = 1;
|
|
|
2277 c->error = 1;
|
|
|
2278 err = rev->kq_errno;
|
|
|
2279
|
|
|
2280 goto closed;
|
|
|
2281 }
|
|
|
2282
|
|
|
2283 #endif
|
|
|
2284
|
|
|
2285 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2286
|
|
|
2287 if (n == 0) {
|
|
|
2288 rev->eof = 1;
|
|
|
2289 c->error = 1;
|
|
|
2290 err = 0;
|
|
|
2291
|
|
|
2292 goto closed;
|
|
|
2293
|
|
|
2294 } else if (n == -1) {
|
|
|
2295 err = ngx_socket_errno;
|
|
|
2296
|
|
|
2297 if (err != NGX_EAGAIN) {
|
|
|
2298 rev->eof = 1;
|
|
|
2299 c->error = 1;
|
|
|
2300
|
|
|
2301 goto closed;
|
|
|
2302 }
|
|
|
2303 }
|
|
0
|
2304
|
|
|
2305 /* aio does not call this handler */
|
|
|
2306
|
|
276
|
2307 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2308
|
|
430
|
2309 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
0
|
2310 ngx_http_close_request(r, 0);
|
|
|
2311 }
|
|
|
2312 }
|
|
276
|
2313
|
|
|
2314 return;
|
|
|
2315
|
|
|
2316 closed:
|
|
|
2317
|
|
|
2318 if (err) {
|
|
|
2319 rev->error = 1;
|
|
|
2320 }
|
|
|
2321
|
|
|
2322 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2323 "client closed prematurely connection");
|
|
|
2324
|
|
286
|
2325 ngx_http_finalize_request(r, 0);
|
|
0
|
2326 }
|
|
|
2327
|
|
|
2328
|
|
50
|
2329 static void
|
|
|
2330 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2331 {
|
|
2
|
2332 int tcp_nodelay;
|
|
0
|
2333 ngx_int_t i;
|
|
|
2334 ngx_buf_t *b, *f;
|
|
|
2335 ngx_event_t *rev, *wev;
|
|
|
2336 ngx_connection_t *c;
|
|
|
2337 ngx_http_connection_t *hc;
|
|
|
2338 ngx_http_core_srv_conf_t *cscf;
|
|
|
2339 ngx_http_core_loc_conf_t *clcf;
|
|
|
2340
|
|
|
2341 c = r->connection;
|
|
|
2342 rev = c->read;
|
|
|
2343
|
|
326
|
2344 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2345
|
|
0
|
2346 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2347
|
|
326
|
2348 if (r->discard_body) {
|
|
442
|
2349 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
2350 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2351 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2352 return;
|
|
|
2353 }
|
|
|
2354
|
|
32
|
2355 c->log->action = "closing request";
|
|
0
|
2356
|
|
|
2357 hc = r->http_connection;
|
|
|
2358 b = r->header_in;
|
|
|
2359
|
|
|
2360 if (b->pos < b->last) {
|
|
|
2361
|
|
|
2362 /* the pipelined request */
|
|
|
2363
|
|
|
2364 if (b != c->buffer) {
|
|
|
2365
|
|
4
|
2366 /*
|
|
|
2367 * If the large header buffers were allocated while the previous
|
|
|
2368 * request processing then we do not use c->buffer for
|
|
|
2369 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2370 *
|
|
4
|
2371 * Now we would move the large header buffers to the free list.
|
|
|
2372 */
|
|
0
|
2373
|
|
|
2374 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2375
|
|
|
2376 if (hc->free == NULL) {
|
|
|
2377 hc->free = ngx_palloc(c->pool,
|
|
|
2378 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2379
|
|
|
2380 if (hc->free == NULL) {
|
|
26
|
2381 ngx_http_close_request(r, 0);
|
|
0
|
2382 return;
|
|
|
2383 }
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2387 f = hc->busy[i];
|
|
|
2388 hc->free[hc->nfree++] = f;
|
|
|
2389 f->pos = f->start;
|
|
|
2390 f->last = f->start;
|
|
|
2391 }
|
|
|
2392
|
|
|
2393 hc->busy[0] = b;
|
|
|
2394 hc->nbusy = 1;
|
|
|
2395 }
|
|
|
2396 }
|
|
|
2397
|
|
518
|
2398 ngx_http_free_request(r, 0);
|
|
118
|
2399
|
|
0
|
2400 c->data = hc;
|
|
|
2401
|
|
|
2402 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2403
|
|
430
|
2404 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2405 ngx_http_close_connection(c);
|
|
|
2406 return;
|
|
|
2407 }
|
|
|
2408
|
|
|
2409 wev = c->write;
|
|
58
|
2410 wev->handler = ngx_http_empty_handler;
|
|
0
|
2411
|
|
|
2412 if (b->pos < b->last) {
|
|
|
2413
|
|
|
2414 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2415
|
|
116
|
2416 #if (NGX_STAT_STUB)
|
|
502
|
2417 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2418 #endif
|
|
|
2419
|
|
0
|
2420 hc->pipeline = 1;
|
|
32
|
2421 c->log->action = "reading client pipelined request line";
|
|
116
|
2422
|
|
376
|
2423 rev->handler = ngx_http_init_request;
|
|
|
2424 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2425 return;
|
|
|
2426 }
|
|
|
2427
|
|
|
2428 hc->pipeline = 0;
|
|
|
2429
|
|
4
|
2430 /*
|
|
|
2431 * To keep a memory footprint as small as possible for an idle
|
|
|
2432 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2433 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2434 * The large header buffers are always allocated outside the c->pool and
|
|
|
2435 * are freed too.
|
|
|
2436 */
|
|
|
2437
|
|
0
|
2438 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2439 hc->request = NULL;
|
|
|
2440 }
|
|
|
2441
|
|
|
2442 b = c->buffer;
|
|
|
2443
|
|
|
2444 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2445
|
|
|
2446 /*
|
|
|
2447 * the special note for ngx_http_keepalive_handler() that
|
|
|
2448 * c->buffer's memory was freed
|
|
|
2449 */
|
|
|
2450
|
|
0
|
2451 b->pos = NULL;
|
|
|
2452
|
|
|
2453 } else {
|
|
|
2454 b->pos = b->start;
|
|
|
2455 b->last = b->start;
|
|
|
2456 }
|
|
|
2457
|
|
10
|
2458 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2459 hc->free, hc->nfree);
|
|
|
2460
|
|
|
2461 if (hc->free) {
|
|
|
2462 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2463 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2464 hc->free[i] = NULL;
|
|
|
2465 }
|
|
|
2466
|
|
|
2467 hc->nfree = 0;
|
|
|
2468 }
|
|
|
2469
|
|
10
|
2470 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2471 hc->busy, hc->nbusy);
|
|
|
2472
|
|
|
2473 if (hc->busy) {
|
|
|
2474 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2475 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2476 hc->busy[i] = NULL;
|
|
|
2477 }
|
|
|
2478
|
|
|
2479 hc->nbusy = 0;
|
|
|
2480 }
|
|
|
2481
|
|
358
|
2482 #if (NGX_HTTP_SSL)
|
|
|
2483 if (c->ssl) {
|
|
|
2484 ngx_ssl_free_buffer(c);
|
|
|
2485 }
|
|
|
2486 #endif
|
|
|
2487
|
|
58
|
2488 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2489
|
|
132
|
2490 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2491 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2492 ngx_http_close_connection(c);
|
|
|
2493 return;
|
|
0
|
2494 }
|
|
|
2495 }
|
|
|
2496
|
|
32
|
2497 c->log->action = "keepalive";
|
|
0
|
2498
|
|
|
2499 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2500 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2501 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2502 ngx_http_close_connection(c);
|
|
|
2503 return;
|
|
|
2504 }
|
|
2
|
2505
|
|
0
|
2506 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2507 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2508
|
|
|
2509 } else {
|
|
22
|
2510 tcp_nodelay = 1;
|
|
|
2511 }
|
|
|
2512
|
|
32
|
2513 if (tcp_nodelay
|
|
|
2514 && clcf->tcp_nodelay
|
|
|
2515 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2516 {
|
|
22
|
2517 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2518
|
|
|
2519 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2520 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2521 == -1)
|
|
22
|
2522 {
|
|
460
|
2523 #if (NGX_SOLARIS)
|
|
|
2524 /* Solaris returns EINVAL if a socket has been shut down */
|
|
|
2525 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
|
2526 #endif
|
|
|
2527
|
|
22
|
2528 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2529 "setsockopt(TCP_NODELAY) failed");
|
|
460
|
2530
|
|
|
2531 c->log_error = NGX_ERROR_INFO;
|
|
22
|
2532 ngx_http_close_connection(c);
|
|
|
2533 return;
|
|
2
|
2534 }
|
|
22
|
2535
|
|
32
|
2536 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2537 }
|
|
|
2538
|
|
|
2539 #if 0
|
|
4
|
2540 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2541 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2542 #endif
|
|
|
2543
|
|
290
|
2544 c->idle = 1;
|
|
|
2545
|
|
0
|
2546 if (rev->ready) {
|
|
376
|
2547 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2548 }
|
|
|
2549 }
|
|
|
2550
|
|
|
2551
|
|
50
|
2552 static void
|
|
|
2553 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2554 {
|
|
50
|
2555 size_t size;
|
|
|
2556 ssize_t n;
|
|
|
2557 ngx_buf_t *b;
|
|
|
2558 ngx_connection_t *c;
|
|
0
|
2559
|
|
|
2560 c = rev->data;
|
|
|
2561
|
|
|
2562 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2563
|
|
290
|
2564 if (rev->timedout || c->close) {
|
|
0
|
2565 ngx_http_close_connection(c);
|
|
|
2566 return;
|
|
|
2567 }
|
|
|
2568
|
|
18
|
2569 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2570
|
|
4
|
2571 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2572 if (rev->pending_eof) {
|
|
32
|
2573 c->log->handler = NULL;
|
|
0
|
2574 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2575 "kevent() reported that client %V closed "
|
|
32
|
2576 "keepalive connection", &c->addr_text);
|
|
22
|
2577 #if (NGX_HTTP_SSL)
|
|
|
2578 if (c->ssl) {
|
|
96
|
2579 c->ssl->no_send_shutdown = 1;
|
|
22
|
2580 }
|
|
|
2581 #endif
|
|
0
|
2582 ngx_http_close_connection(c);
|
|
|
2583 return;
|
|
|
2584 }
|
|
|
2585 }
|
|
|
2586
|
|
|
2587 #endif
|
|
|
2588
|
|
|
2589 b = c->buffer;
|
|
|
2590 size = b->end - b->start;
|
|
|
2591
|
|
|
2592 if (b->pos == NULL) {
|
|
4
|
2593
|
|
|
2594 /*
|
|
|
2595 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2596 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2597 * to keep the buffer size.
|
|
|
2598 */
|
|
|
2599
|
|
50
|
2600 b->pos = ngx_palloc(c->pool, size);
|
|
|
2601 if (b->pos == NULL) {
|
|
0
|
2602 ngx_http_close_connection(c);
|
|
|
2603 return;
|
|
|
2604 }
|
|
|
2605
|
|
|
2606 b->start = b->pos;
|
|
|
2607 b->last = b->pos;
|
|
|
2608 b->end = b->pos + size;
|
|
|
2609 }
|
|
|
2610
|
|
|
2611 /*
|
|
|
2612 * MSIE closes a keepalive connection with RST flag
|
|
|
2613 * so we ignore ECONNRESET here.
|
|
|
2614 */
|
|
|
2615
|
|
|
2616 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2617 ngx_set_socket_errno(0);
|
|
|
2618
|
|
|
2619 n = c->recv(c, b->last, size);
|
|
|
2620 c->log_error = NGX_ERROR_INFO;
|
|
|
2621
|
|
|
2622 if (n == NGX_AGAIN) {
|
|
430
|
2623 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
24
|
2624 ngx_http_close_connection(c);
|
|
|
2625 }
|
|
|
2626
|
|
0
|
2627 return;
|
|
|
2628 }
|
|
|
2629
|
|
|
2630 if (n == NGX_ERROR) {
|
|
|
2631 ngx_http_close_connection(c);
|
|
|
2632 return;
|
|
|
2633 }
|
|
|
2634
|
|
32
|
2635 c->log->handler = NULL;
|
|
0
|
2636
|
|
|
2637 if (n == 0) {
|
|
|
2638 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2639 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2640 ngx_http_close_connection(c);
|
|
|
2641 return;
|
|
|
2642 }
|
|
|
2643
|
|
|
2644 b->last += n;
|
|
32
|
2645
|
|
116
|
2646 #if (NGX_STAT_STUB)
|
|
502
|
2647 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2648 #endif
|
|
|
2649
|
|
32
|
2650 c->log->handler = ngx_http_log_error;
|
|
|
2651 c->log->action = "reading client request line";
|
|
0
|
2652
|
|
290
|
2653 c->idle = 0;
|
|
|
2654
|
|
0
|
2655 ngx_http_init_request(rev);
|
|
|
2656 }
|
|
|
2657
|
|
|
2658
|
|
50
|
2659 static void
|
|
|
2660 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2661 {
|
|
0
|
2662 ngx_event_t *rev, *wev;
|
|
|
2663 ngx_connection_t *c;
|
|
|
2664 ngx_http_core_loc_conf_t *clcf;
|
|
|
2665
|
|
|
2666 c = r->connection;
|
|
|
2667
|
|
|
2668 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2669
|
|
|
2670 rev = c->read;
|
|
58
|
2671 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2672
|
|
106
|
2673 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2674 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2675
|
|
430
|
2676 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2677 ngx_http_close_request(r, 0);
|
|
|
2678 return;
|
|
|
2679 }
|
|
|
2680
|
|
|
2681 wev = c->write;
|
|
58
|
2682 wev->handler = ngx_http_empty_handler;
|
|
0
|
2683
|
|
132
|
2684 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2685 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2686 ngx_http_close_request(r, 0);
|
|
|
2687 return;
|
|
0
|
2688 }
|
|
|
2689 }
|
|
|
2690
|
|
|
2691 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2692 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2693 ngx_shutdown_socket_n " failed");
|
|
|
2694 ngx_http_close_request(r, 0);
|
|
|
2695 return;
|
|
|
2696 }
|
|
|
2697
|
|
|
2698 if (rev->ready) {
|
|
|
2699 ngx_http_lingering_close_handler(rev);
|
|
|
2700 }
|
|
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
50
|
2704 static void
|
|
|
2705 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2706 {
|
|
|
2707 ssize_t n;
|
|
|
2708 ngx_msec_t timer;
|
|
|
2709 ngx_connection_t *c;
|
|
|
2710 ngx_http_request_t *r;
|
|
|
2711 ngx_http_core_loc_conf_t *clcf;
|
|
|
2712 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2713
|
|
|
2714 c = rev->data;
|
|
|
2715 r = c->data;
|
|
|
2716
|
|
|
2717 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2718 "http lingering close handler");
|
|
|
2719
|
|
|
2720 if (rev->timedout) {
|
|
126
|
2721 c->timedout = 1;
|
|
0
|
2722 ngx_http_close_request(r, 0);
|
|
|
2723 return;
|
|
|
2724 }
|
|
|
2725
|
|
346
|
2726 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2727 if (timer <= 0) {
|
|
|
2728 ngx_http_close_request(r, 0);
|
|
|
2729 return;
|
|
|
2730 }
|
|
|
2731
|
|
|
2732 do {
|
|
|
2733 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2734
|
|
|
2735 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2736
|
|
|
2737 if (n == NGX_ERROR || n == 0) {
|
|
|
2738 ngx_http_close_request(r, 0);
|
|
|
2739 return;
|
|
|
2740 }
|
|
|
2741
|
|
|
2742 } while (rev->ready);
|
|
|
2743
|
|
430
|
2744 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
26
|
2745 ngx_http_close_request(r, 0);
|
|
24
|
2746 return;
|
|
|
2747 }
|
|
|
2748
|
|
0
|
2749 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2750
|
|
|
2751 timer *= 1000;
|
|
|
2752
|
|
|
2753 if (timer > clcf->lingering_timeout) {
|
|
|
2754 timer = clcf->lingering_timeout;
|
|
|
2755 }
|
|
|
2756
|
|
|
2757 ngx_add_timer(rev, timer);
|
|
|
2758 }
|
|
|
2759
|
|
|
2760
|
|
50
|
2761 void
|
|
|
2762 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2763 {
|
|
|
2764 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2765
|
|
|
2766 return;
|
|
|
2767 }
|
|
|
2768
|
|
|
2769
|
|
58
|
2770 void
|
|
|
2771 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2772 {
|
|
|
2773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2774 "http request empty handler");
|
|
58
|
2775
|
|
|
2776 return;
|
|
|
2777 }
|
|
|
2778
|
|
|
2779
|
|
50
|
2780 ngx_int_t
|
|
130
|
2781 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2782 {
|
|
|
2783 ngx_buf_t *b;
|
|
|
2784 ngx_chain_t out;
|
|
|
2785
|
|
50
|
2786 b = ngx_calloc_buf(r->pool);
|
|
|
2787 if (b == NULL) {
|
|
0
|
2788 return NGX_ERROR;
|
|
|
2789 }
|
|
|
2790
|
|
130
|
2791 if (flags & NGX_HTTP_LAST) {
|
|
506
|
2792
|
|
|
2793 if (r == r->main && !r->post_action) {
|
|
|
2794 b->last_buf = 1;
|
|
|
2795
|
|
|
2796 } else {
|
|
510
|
2797 b->sync = 1;
|
|
506
|
2798 b->last_in_chain = 1;
|
|
|
2799 }
|
|
130
|
2800 }
|
|
|
2801
|
|
|
2802 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2803 b->flush = 1;
|
|
|
2804 }
|
|
|
2805
|
|
0
|
2806 out.buf = b;
|
|
|
2807 out.next = NULL;
|
|
|
2808
|
|
|
2809 return ngx_http_output_filter(r, &out);
|
|
|
2810 }
|
|
|
2811
|
|
|
2812
|
|
162
|
2813 static ngx_int_t
|
|
|
2814 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2815 {
|
|
|
2816 ngx_http_core_loc_conf_t *clcf;
|
|
|
2817
|
|
|
2818 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2819
|
|
|
2820 if (clcf->post_action.data == NULL) {
|
|
|
2821 return NGX_DECLINED;
|
|
|
2822 }
|
|
|
2823
|
|
172
|
2824 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2825 "post action: \"%V\"", &clcf->post_action);
|
|
|
2826
|
|
162
|
2827 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2828 r->header_only = 1;
|
|
178
|
2829 r->post_action = 1;
|
|
162
|
2830
|
|
326
|
2831 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2832
|
|
366
|
2833 if (clcf->post_action.data[0] == '/') {
|
|
|
2834 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2835
|
|
|
2836 } else {
|
|
|
2837 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2838 }
|
|
162
|
2839
|
|
|
2840 return NGX_OK;
|
|
|
2841 }
|
|
|
2842
|
|
|
2843
|
|
|
2844 static void
|
|
518
|
2845 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
2846 {
|
|
188
|
2847 ngx_connection_t *c;
|
|
118
|
2848
|
|
518
|
2849 r = r->main;
|
|
118
|
2850 c = r->connection;
|
|
188
|
2851
|
|
518
|
2852 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2853 "http request count:%d blk:%d", r->count, r->blocked);
|
|
|
2854
|
|
|
2855 if (r->count == 0) {
|
|
|
2856 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "http request count is zero");
|
|
|
2857 }
|
|
|
2858
|
|
|
2859 r->count--;
|
|
|
2860
|
|
|
2861 if (r->count || r->blocked) {
|
|
|
2862 return;
|
|
|
2863 }
|
|
|
2864
|
|
|
2865 ngx_http_free_request(r, rc);
|
|
118
|
2866 ngx_http_close_connection(c);
|
|
|
2867 }
|
|
|
2868
|
|
|
2869
|
|
162
|
2870 static void
|
|
518
|
2871 ngx_http_free_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
118
|
2872 {
|
|
412
|
2873 ngx_log_t *log;
|
|
|
2874 struct linger linger;
|
|
|
2875 ngx_http_cleanup_t *cln;
|
|
|
2876 ngx_http_log_ctx_t *ctx;
|
|
|
2877 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2878
|
|
|
2879 log = r->connection->log;
|
|
|
2880
|
|
|
2881 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2882
|
|
|
2883 if (r->pool == NULL) {
|
|
80
|
2884 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2885 return;
|
|
|
2886 }
|
|
|
2887
|
|
188
|
2888 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2889 if (cln->handler) {
|
|
|
2890 cln->handler(cln->data);
|
|
|
2891 }
|
|
|
2892 }
|
|
|
2893
|
|
0
|
2894 #if (NGX_STAT_STUB)
|
|
116
|
2895
|
|
0
|
2896 if (r->stat_reading) {
|
|
502
|
2897 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2898 }
|
|
|
2899
|
|
|
2900 if (r->stat_writing) {
|
|
502
|
2901 (void) ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2902 }
|
|
116
|
2903
|
|
0
|
2904 #endif
|
|
|
2905
|
|
518
|
2906 if (rc > 0 && (r->headers_out.status == 0 || r->connection->sent == 0)) {
|
|
|
2907 r->headers_out.status = rc;
|
|
0
|
2908 }
|
|
|
2909
|
|
386
|
2910 log->action = "logging request";
|
|
|
2911
|
|
412
|
2912 ngx_http_log_request(r);
|
|
0
|
2913
|
|
386
|
2914 log->action = "closing request";
|
|
|
2915
|
|
0
|
2916 if (r->connection->timedout) {
|
|
|
2917 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2918
|
|
|
2919 if (clcf->reset_timedout_connection) {
|
|
58
|
2920 linger.l_onoff = 1;
|
|
|
2921 linger.l_linger = 0;
|
|
0
|
2922
|
|
|
2923 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2924 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2925 {
|
|
|
2926 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2927 "setsockopt(SO_LINGER) failed");
|
|
|
2928 }
|
|
|
2929 }
|
|
|
2930 }
|
|
|
2931
|
|
58
|
2932 /* the various request strings were allocated from r->pool */
|
|
0
|
2933 ctx = log->data;
|
|
10
|
2934 ctx->request = NULL;
|
|
0
|
2935
|
|
|
2936 r->request_line.len = 0;
|
|
|
2937
|
|
132
|
2938 r->connection->destroyed = 1;
|
|
|
2939
|
|
0
|
2940 ngx_destroy_pool(r->pool);
|
|
|
2941 }
|
|
|
2942
|
|
|
2943
|
|
80
|
2944 static void
|
|
412
|
2945 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2946 {
|
|
|
2947 ngx_uint_t i, n;
|
|
|
2948 ngx_http_handler_pt *log_handler;
|
|
|
2949 ngx_http_core_main_conf_t *cmcf;
|
|
|
2950
|
|
|
2951 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2952
|
|
|
2953 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2954 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2955
|
|
|
2956 for (i = 0; i < n; i++) {
|
|
|
2957 log_handler[i](r);
|
|
|
2958 }
|
|
|
2959 }
|
|
|
2960
|
|
|
2961
|
|
|
2962 static void
|
|
50
|
2963 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2964 {
|
|
28
|
2965 ngx_pool_t *pool;
|
|
|
2966
|
|
0
|
2967 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2968 "close http connection: %d", c->fd);
|
|
|
2969
|
|
88
|
2970 #if (NGX_HTTP_SSL)
|
|
2
|
2971
|
|
|
2972 if (c->ssl) {
|
|
|
2973 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2974 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2975 return;
|
|
|
2976 }
|
|
|
2977 }
|
|
|
2978
|
|
|
2979 #endif
|
|
|
2980
|
|
0
|
2981 #if (NGX_STAT_STUB)
|
|
502
|
2982 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2983 #endif
|
|
|
2984
|
|
132
|
2985 c->destroyed = 1;
|
|
|
2986
|
|
28
|
2987 pool = c->pool;
|
|
|
2988
|
|
0
|
2989 ngx_close_connection(c);
|
|
28
|
2990
|
|
50
|
2991 ngx_destroy_pool(pool);
|
|
0
|
2992 }
|
|
|
2993
|
|
|
2994
|
|
50
|
2995 static u_char *
|
|
|
2996 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2997 {
|
|
32
|
2998 u_char *p;
|
|
54
|
2999 ngx_http_request_t *r;
|
|
32
|
3000 ngx_http_log_ctx_t *ctx;
|
|
10
|
3001
|
|
32
|
3002 if (log->action) {
|
|
58
|
3003 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
3004 len -= p - buf;
|
|
54
|
3005 buf = p;
|
|
10
|
3006 }
|
|
|
3007
|
|
58
|
3008 ctx = log->data;
|
|
|
3009
|
|
362
|
3010 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
3011 len -= p - buf;
|
|
54
|
3012
|
|
|
3013 r = ctx->request;
|
|
|
3014
|
|
58
|
3015 if (r) {
|
|
214
|
3016 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
3017
|
|
|
3018 } else {
|
|
|
3019 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
3020 &ctx->connection->listening->addr_text);
|
|
0
|
3021 }
|
|
10
|
3022
|
|
58
|
3023 return p;
|
|
|
3024 }
|
|
|
3025
|
|
|
3026
|
|
|
3027 static u_char *
|
|
214
|
3028 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
3029 u_char *buf, size_t len)
|
|
58
|
3030 {
|
|
362
|
3031 char *uri_separator;
|
|
|
3032 u_char *p;
|
|
|
3033 ngx_http_upstream_t *u;
|
|
|
3034 ngx_http_core_srv_conf_t *cscf;
|
|
|
3035
|
|
|
3036 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
3037
|
|
|
3038 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
3039 len -= p - buf;
|
|
|
3040 buf = p;
|
|
52
|
3041
|
|
348
|
3042 if (r->request_line.data == NULL && r->request_start) {
|
|
|
3043 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
3044 if (*p == CR || *p == LF) {
|
|
|
3045 break;
|
|
|
3046 }
|
|
|
3047 }
|
|
|
3048
|
|
|
3049 r->request_line.len = p - r->request_start;
|
|
|
3050 r->request_line.data = r->request_start;
|
|
|
3051 }
|
|
|
3052
|
|
|
3053 if (r->request_line.len) {
|
|
|
3054 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
3055 len -= p - buf;
|
|
|
3056 buf = p;
|
|
10
|
3057 }
|
|
|
3058
|
|
214
|
3059 if (r != sr) {
|
|
|
3060 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
3061 len -= p - buf;
|
|
|
3062 buf = p;
|
|
|
3063 }
|
|
|
3064
|
|
|
3065 u = sr->upstream;
|
|
|
3066
|
|
260
|
3067 if (u && u->peer.name) {
|
|
|
3068
|
|
|
3069 uri_separator = "";
|
|
|
3070
|
|
|
3071 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
3072 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
3073 uri_separator = ":";
|
|
|
3074 }
|
|
|
3075 #endif
|
|
214
|
3076
|
|
|
3077 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
3078 &u->schema, u->peer.name,
|
|
260
|
3079 uri_separator, &u->uri);
|
|
214
|
3080 len -= p - buf;
|
|
|
3081 buf = p;
|
|
|
3082 }
|
|
|
3083
|
|
54
|
3084 if (r->headers_in.host) {
|
|
|
3085 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
3086 &r->headers_in.host->value);
|
|
|
3087 len -= p - buf;
|
|
|
3088 buf = p;
|
|
|
3089 }
|
|
|
3090
|
|
|
3091 if (r->headers_in.referer) {
|
|
|
3092 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
3093 &r->headers_in.referer->value);
|
|
|
3094 buf = p;
|
|
|
3095 }
|
|
|
3096
|
|
|
3097 return buf;
|
|
|
3098 }
|
