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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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12 static void ngx_http_init_request(ngx_event_t *ev);
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13 static void ngx_http_process_request_line(ngx_event_t *rev);
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14 static void ngx_http_process_request_headers(ngx_event_t *rev);
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15 static ssize_t ngx_http_read_request_header(ngx_http_request_t *r);
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16 static ngx_int_t ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
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50
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17 ngx_uint_t request_line);
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58
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18
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19 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r,
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20 ngx_table_elt_t *h, ngx_uint_t offset);
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72
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21 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r,
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22 ngx_table_elt_t *h, ngx_uint_t offset);
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376
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23 static ngx_int_t ngx_http_process_host(ngx_http_request_t *r,
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24 ngx_table_elt_t *h, ngx_uint_t offset);
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336
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25 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r,
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26 ngx_table_elt_t *h, ngx_uint_t offset);
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376
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27 static ngx_int_t ngx_http_process_user_agent(ngx_http_request_t *r,
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28 ngx_table_elt_t *h, ngx_uint_t offset);
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58
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29 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r,
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30 ngx_table_elt_t *h, ngx_uint_t offset);
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31
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0
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32 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
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308
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33 static void ngx_http_process_request(ngx_http_request_t *r);
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376
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34 static ssize_t ngx_http_validate_host(u_char *host, size_t len);
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35 static ngx_int_t ngx_http_find_virtual_server(ngx_http_request_t *r,
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36 u_char *host, size_t len);
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0
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37
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58
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38 static void ngx_http_request_handler(ngx_event_t *ev);
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74
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39 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
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58
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40 static void ngx_http_writer(ngx_http_request_t *r);
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435
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41 static void ngx_http_request_finalizer(ngx_http_request_t *r);
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58
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42
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0
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43 static void ngx_http_set_keepalive(ngx_http_request_t *r);
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44 static void ngx_http_keepalive_handler(ngx_event_t *ev);
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45 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
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46 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
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162
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47 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
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80
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48 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
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118
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49 static void ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error);
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420
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50 static void ngx_http_log_request(ngx_http_request_t *r);
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80
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51 static void ngx_http_close_connection(ngx_connection_t *c);
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0
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52
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32
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53 static u_char *ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len);
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214
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54 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
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55 ngx_http_request_t *sr, u_char *buf, size_t len);
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0
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56
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88
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57 #if (NGX_HTTP_SSL)
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58 static void ngx_http_ssl_handshake(ngx_event_t *rev);
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96
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59 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
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88
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60 #endif
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61
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0
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62
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54
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63 static char *ngx_http_client_errors[] = {
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64
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65 /* NGX_HTTP_PARSE_INVALID_METHOD */
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66 "client sent invalid method",
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67
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68 /* NGX_HTTP_PARSE_INVALID_REQUEST */
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69 "client sent invalid request",
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70
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71 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
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72 "client sent invalid method in HTTP/0.9 request"
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0
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73 };
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74
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75
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76 ngx_http_header_t ngx_http_headers_in[] = {
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406
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77 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
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78 ngx_http_process_host },
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79
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80 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
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81 ngx_http_process_connection },
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58
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82
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0
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83 { ngx_string("If-Modified-Since"),
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58
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84 offsetof(ngx_http_headers_in_t, if_modified_since),
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332
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85 ngx_http_process_unique_header_line },
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58
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86
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406
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87 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
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88 ngx_http_process_user_agent },
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58
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89
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90 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
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91 ngx_http_process_header_line },
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92
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0
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93 { ngx_string("Content-Length"),
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58
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94 offsetof(ngx_http_headers_in_t, content_length),
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72
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95 ngx_http_process_unique_header_line },
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58
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96
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28
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97 { ngx_string("Content-Type"),
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58
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98 offsetof(ngx_http_headers_in_t, content_type),
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99 ngx_http_process_header_line },
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100
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101 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
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102 ngx_http_process_header_line },
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103
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346
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104 { ngx_string("If-Range"),
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105 offsetof(ngx_http_headers_in_t, if_range),
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106 ngx_http_process_unique_header_line },
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107
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130
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108 { ngx_string("Transfer-Encoding"),
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109 offsetof(ngx_http_headers_in_t, transfer_encoding),
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110 ngx_http_process_header_line },
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111
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384
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112 { ngx_string("Expect"),
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113 offsetof(ngx_http_headers_in_t, expect),
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114 ngx_http_process_unique_header_line },
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115
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0
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116 #if (NGX_HTTP_GZIP)
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117 { ngx_string("Accept-Encoding"),
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58
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118 offsetof(ngx_http_headers_in_t, accept_encoding),
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119 ngx_http_process_header_line },
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120
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121 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
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122 ngx_http_process_header_line },
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0
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123 #endif
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124
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125 { ngx_string("Authorization"),
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58
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126 offsetof(ngx_http_headers_in_t, authorization),
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72
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127 ngx_http_process_unique_header_line },
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58
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128
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129 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
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130 ngx_http_process_header_line },
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0
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131
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520
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132 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP || NGX_HTTP_GEO)
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0
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133 { ngx_string("X-Forwarded-For"),
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58
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134 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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135 ngx_http_process_header_line },
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0
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136 #endif
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28
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137
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122
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138 #if (NGX_HTTP_REALIP)
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139 { ngx_string("X-Real-IP"),
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140 offsetof(ngx_http_headers_in_t, x_real_ip),
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141 ngx_http_process_header_line },
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142 #endif
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143
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38
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144 #if (NGX_HTTP_HEADERS)
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58
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145 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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146 ngx_http_process_header_line },
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147
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38
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148 { ngx_string("Accept-Language"),
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58
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149 offsetof(ngx_http_headers_in_t, accept_language),
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150 ngx_http_process_header_line },
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38
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151 #endif
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152
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186
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153 #if (NGX_HTTP_DAV)
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154 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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155 ngx_http_process_header_line },
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156
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157 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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158 ngx_http_process_header_line },
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230
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159
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276
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160 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
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161 ngx_http_process_header_line },
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162
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230
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163 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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164 ngx_http_process_header_line },
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186
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165 #endif
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166
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58
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167 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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168
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169 { ngx_null_string, 0, NULL }
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0
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170 };
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171
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172
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50
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173 void
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174 ngx_http_init_connection(ngx_connection_t *c)
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0
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175 {
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176 ngx_event_t *rev;
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177 ngx_http_log_ctx_t *ctx;
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178
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50
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179 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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180 if (ctx == NULL) {
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0
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181 ngx_http_close_connection(c);
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182 return;
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183 }
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184
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362
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185 ctx->connection = c;
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10
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186 ctx->request = NULL;
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214
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187 ctx->current_request = NULL;
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32
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188
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189 c->log->connection = c->number;
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190 c->log->handler = ngx_http_log_error;
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0
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191 c->log->data = ctx;
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32
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192 c->log->action = "reading client request line";
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193
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0
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194 c->log_error = NGX_ERROR_INFO;
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195
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196 rev = c->read;
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58
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197 rev->handler = ngx_http_init_request;
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118
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198 c->write->handler = ngx_http_empty_handler;
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0
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199
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116
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200 #if (NGX_STAT_STUB)
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511
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201 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
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116
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202 #endif
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203
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0
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204 if (rev->ready) {
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205 /* the deferred accept(), rtsig, aio, iocp */
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206
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160
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207 if (ngx_use_accept_mutex) {
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112
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208 ngx_post_event(rev, &ngx_posted_events);
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0
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209 return;
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210 }
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211
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212 ngx_http_init_request(rev);
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213 return;
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214 }
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215
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216 ngx_add_timer(rev, c->listening->post_accept_timeout);
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217
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439
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218 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
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116
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219 #if (NGX_STAT_STUB)
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511
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220 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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221 #endif
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0
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222 ngx_http_close_connection(c);
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223 return;
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224 }
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225 }
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226
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227
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190
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228 static void
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229 ngx_http_init_request(ngx_event_t *rev)
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0
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230 {
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298
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231 ngx_time_t *tp;
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122
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232 ngx_uint_t i;
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233 ngx_connection_t *c;
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234 ngx_http_request_t *r;
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457
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235 struct sockaddr_in *sin;
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236 ngx_http_port_t *port;
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237 ngx_http_in_addr_t *addr;
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122
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238 ngx_http_log_ctx_t *ctx;
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457
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239 ngx_http_addr_conf_t *addr_conf;
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122
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240 ngx_http_connection_t *hc;
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241 ngx_http_core_srv_conf_t *cscf;
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242 ngx_http_core_loc_conf_t *clcf;
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243 ngx_http_core_main_conf_t *cmcf;
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457
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244 #if (NGX_HAVE_INET6)
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245 struct sockaddr_in6 *sin6;
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246 ngx_http_in6_addr_t *addr6;
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247 #endif
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0
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248
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116
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249 #if (NGX_STAT_STUB)
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511
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250 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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251 #endif
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252
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0
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253 c = rev->data;
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254
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255 if (rev->timedout) {
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256 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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257
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258 ngx_http_close_connection(c);
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259 return;
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260 }
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261
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505
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262 c->requests++;
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263
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0
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264 hc = c->data;
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265
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116
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266 if (hc == NULL) {
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50
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267 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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268 if (hc == NULL) {
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0
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269 ngx_http_close_connection(c);
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270 return;
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271 }
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272 }
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273
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274 r = hc->request;
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275
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276 if (r) {
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277 ngx_memzero(r, sizeof(ngx_http_request_t));
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278
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279 r->pipeline = hc->pipeline;
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280
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281 if (hc->nbusy) {
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282 r->header_in = hc->busy[0];
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283 }
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284
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285 } else {
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50
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286 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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287 if (r == NULL) {
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0
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288 ngx_http_close_connection(c);
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289 return;
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290 }
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291
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292 hc->request = r;
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293 }
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294
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295 c->data = r;
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296 r->http_connection = hc;
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297
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298 c->sent = 0;
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299 r->signature = NGX_HTTP_MODULE;
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300
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301 /* find the server configuration for the address:port */
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302
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457
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303 port = c->listening->servers;
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304
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362
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305 r->connection = c;
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306
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457
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307 if (port->naddrs > 1) {
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0
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308
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309 /*
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457
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310 * there are several addresses on this port and one of them
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311 * is an "*:port" wildcard so getsockname() in ngx_http_server_addr()
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312 * is required to determine a server address
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0
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313 */
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314
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501
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315 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
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457
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316 ngx_http_close_connection(c);
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317 return;
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318 }
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319
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320 switch (c->local_sockaddr->sa_family) {
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321
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322 #if (NGX_HAVE_INET6)
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323 case AF_INET6:
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324 sin6 = (struct sockaddr_in6 *) c->local_sockaddr;
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325
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501
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326 addr6 = port->addrs;
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457
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327
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328 /* the last address is "*" */
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329
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330 for (i = 0; i < port->naddrs - 1; i++) {
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331 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
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332 break;
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333 }
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334 }
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335
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336 addr_conf = &addr6[i].conf;
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337
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338 break;
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0
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339 #endif
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457
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340
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341 default: /* AF_INET */
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342 sin = (struct sockaddr_in *) c->local_sockaddr;
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343
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344 addr = port->addrs;
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345
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346 /* the last address is "*" */
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347
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348 for (i = 0; i < port->naddrs - 1; i++) {
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349 if (addr[i].addr == sin->sin_addr.s_addr) {
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350 break;
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351 }
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0
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352 }
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457
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353
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354 addr_conf = &addr[i].conf;
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355
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356 break;
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0
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357 }
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358
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359 } else {
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457
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360
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361 switch (c->local_sockaddr->sa_family) {
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362
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|
|
363 #if (NGX_HAVE_INET6)
|
|
|
364 case AF_INET6:
|
|
501
|
365 addr6 = port->addrs;
|
|
457
|
366 addr_conf = &addr6[0].conf;
|
|
|
367 break;
|
|
|
368 #endif
|
|
|
369
|
|
|
370 default: /* AF_INET */
|
|
|
371 addr = port->addrs;
|
|
|
372 addr_conf = &addr[0].conf;
|
|
|
373 break;
|
|
|
374 }
|
|
0
|
375 }
|
|
|
376
|
|
487
|
377 r->virtual_names = addr_conf->virtual_names;
|
|
|
378
|
|
0
|
379 /* the default server configuration for the address:port */
|
|
457
|
380 cscf = addr_conf->core_srv_conf;
|
|
0
|
381
|
|
|
382 r->main_conf = cscf->ctx->main_conf;
|
|
|
383 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
384 r->loc_conf = cscf->ctx->loc_conf;
|
|
|
385
|
|
58
|
386 rev->handler = ngx_http_process_request_line;
|
|
520
|
387 r->read_event_handler = ngx_http_block_reading;
|
|
0
|
388
|
|
|
389 #if (NGX_HTTP_SSL)
|
|
|
390
|
|
356
|
391 {
|
|
|
392 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
393
|
|
0
|
394 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
457
|
395 if (sscf->enable || addr_conf->ssl) {
|
|
0
|
396
|
|
|
397 if (c->ssl == NULL) {
|
|
410
|
398
|
|
|
399 c->log->action = "SSL handshaking";
|
|
|
400
|
|
457
|
401 if (addr_conf->ssl && sscf->ssl.ctx == NULL) {
|
|
410
|
402 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
|
403 "no \"ssl_certificate\" is defined "
|
|
|
404 "in server listening on SSL port");
|
|
|
405 ngx_http_close_connection(c);
|
|
|
406 return;
|
|
|
407 }
|
|
|
408
|
|
96
|
409 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
|
463
|
410 != NGX_OK)
|
|
0
|
411 {
|
|
|
412 ngx_http_close_connection(c);
|
|
|
413 return;
|
|
|
414 }
|
|
|
415
|
|
58
|
416 rev->handler = ngx_http_ssl_handshake;
|
|
0
|
417 }
|
|
|
418
|
|
62
|
419 r->main_filter_need_in_memory = 1;
|
|
0
|
420 }
|
|
356
|
421 }
|
|
0
|
422
|
|
|
423 #endif
|
|
|
424
|
|
|
425 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
493
|
426 c->log->file = clcf->error_log->file;
|
|
0
|
427 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
493
|
428 c->log->log_level = clcf->error_log->log_level;
|
|
0
|
429 }
|
|
|
430
|
|
|
431 if (c->buffer == NULL) {
|
|
|
432 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
433 cscf->client_header_buffer_size);
|
|
|
434 if (c->buffer == NULL) {
|
|
|
435 ngx_http_close_connection(c);
|
|
|
436 return;
|
|
|
437 }
|
|
|
438 }
|
|
|
439
|
|
|
440 if (r->header_in == NULL) {
|
|
|
441 r->header_in = c->buffer;
|
|
|
442 }
|
|
|
443
|
|
50
|
444 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
445 if (r->pool == NULL) {
|
|
0
|
446 ngx_http_close_connection(c);
|
|
|
447 return;
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
452 sizeof(ngx_table_elt_t))
|
|
463
|
453 != NGX_OK)
|
|
0
|
454 {
|
|
505
|
455 ngx_destroy_pool(r->pool);
|
|
|
456 ngx_http_close_connection(c);
|
|
0
|
457 return;
|
|
|
458 }
|
|
|
459
|
|
|
460 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
461 if (r->ctx == NULL) {
|
|
505
|
462 ngx_destroy_pool(r->pool);
|
|
|
463 ngx_http_close_connection(c);
|
|
0
|
464 return;
|
|
|
465 }
|
|
|
466
|
|
122
|
467 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
468
|
|
|
469 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
470 * sizeof(ngx_http_variable_value_t));
|
|
|
471 if (r->variables == NULL) {
|
|
505
|
472 ngx_destroy_pool(r->pool);
|
|
|
473 ngx_http_close_connection(c);
|
|
122
|
474 return;
|
|
|
475 }
|
|
|
476
|
|
0
|
477 c->single_connection = 1;
|
|
132
|
478 c->destroyed = 0;
|
|
|
479
|
|
102
|
480 r->main = r;
|
|
|
481
|
|
298
|
482 tp = ngx_timeofday();
|
|
|
483 r->start_sec = tp->sec;
|
|
|
484 r->start_msec = tp->msec;
|
|
46
|
485
|
|
180
|
486 r->method = NGX_HTTP_UNKNOWN;
|
|
|
487
|
|
0
|
488 r->headers_in.content_length_n = -1;
|
|
|
489 r->headers_in.keep_alive_n = -1;
|
|
|
490 r->headers_out.content_length_n = -1;
|
|
|
491 r->headers_out.last_modified_time = -1;
|
|
|
492
|
|
226
|
493 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
494 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
495
|
|
0
|
496 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
497
|
|
54
|
498 ctx = c->log->data;
|
|
|
499 ctx->request = r;
|
|
214
|
500 ctx->current_request = r;
|
|
58
|
501 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
502
|
|
0
|
503 #if (NGX_STAT_STUB)
|
|
511
|
504 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
505 r->stat_reading = 1;
|
|
511
|
506 (void) ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
507 #endif
|
|
|
508
|
|
58
|
509 rev->handler(rev);
|
|
0
|
510 }
|
|
|
511
|
|
|
512
|
|
|
513 #if (NGX_HTTP_SSL)
|
|
|
514
|
|
50
|
515 static void
|
|
|
516 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
517 {
|
|
10
|
518 u_char buf[1];
|
|
|
519 ssize_t n;
|
|
0
|
520 ngx_int_t rc;
|
|
|
521 ngx_connection_t *c;
|
|
|
522 ngx_http_request_t *r;
|
|
|
523
|
|
|
524 c = rev->data;
|
|
|
525 r = c->data;
|
|
|
526
|
|
|
527 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
528 "http check ssl handshake");
|
|
|
529
|
|
|
530 if (rev->timedout) {
|
|
54
|
531 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
532 c->timedout = 1;
|
|
|
533 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
534 return;
|
|
|
535 }
|
|
|
536
|
|
132
|
537 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
538
|
|
|
539 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
540
|
|
|
541 if (!rev->timer_set) {
|
|
|
542 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
543 }
|
|
|
544
|
|
439
|
545 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
364
|
546 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
547 }
|
|
|
548
|
|
0
|
549 return;
|
|
|
550 }
|
|
|
551
|
|
|
552 if (n == 1) {
|
|
|
553 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
554 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
555 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
556
|
|
|
557 rc = ngx_ssl_handshake(c);
|
|
|
558
|
|
96
|
559 if (rc == NGX_AGAIN) {
|
|
362
|
560
|
|
|
561 if (!rev->timer_set) {
|
|
|
562 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
563 }
|
|
|
564
|
|
96
|
565 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
566 return;
|
|
|
567 }
|
|
|
568
|
|
96
|
569 ngx_http_ssl_handshake_handler(c);
|
|
|
570
|
|
|
571 return;
|
|
0
|
572
|
|
|
573 } else {
|
|
|
574 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
575 "plain http");
|
|
|
576
|
|
|
577 r->plain_http = 1;
|
|
|
578 }
|
|
|
579 }
|
|
|
580
|
|
410
|
581 c->log->action = "reading client request line";
|
|
|
582
|
|
58
|
583 rev->handler = ngx_http_process_request_line;
|
|
0
|
584 ngx_http_process_request_line(rev);
|
|
|
585 }
|
|
|
586
|
|
96
|
587
|
|
|
588 static void
|
|
|
589 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
590 {
|
|
|
591 ngx_http_request_t *r;
|
|
|
592
|
|
|
593 if (c->ssl->handshaked) {
|
|
|
594
|
|
|
595 /*
|
|
|
596 * The majority of browsers do not send the "close notify" alert.
|
|
|
597 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
598 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
599 *
|
|
|
600 * Opera and recent Mozilla send the alert.
|
|
|
601 */
|
|
|
602
|
|
|
603 c->ssl->no_wait_shutdown = 1;
|
|
|
604
|
|
|
605 c->read->handler = ngx_http_process_request_line;
|
|
|
606 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
607
|
|
|
608 ngx_http_process_request_line(c->read);
|
|
|
609
|
|
|
610 return;
|
|
|
611 }
|
|
|
612
|
|
|
613 r = c->data;
|
|
|
614
|
|
|
615 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
616
|
|
|
617 return;
|
|
|
618 }
|
|
|
619
|
|
306
|
620 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
621
|
|
|
622 int
|
|
|
623 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
624 {
|
|
406
|
625 size_t len;
|
|
306
|
626 const char *servername;
|
|
|
627 ngx_connection_t *c;
|
|
|
628 ngx_http_request_t *r;
|
|
|
629 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
630
|
|
|
631 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
632
|
|
|
633 if (servername == NULL) {
|
|
|
634 return SSL_TLSEXT_ERR_NOACK;
|
|
|
635 }
|
|
|
636
|
|
|
637 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
638
|
|
|
639 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
640 "SSL server name: \"%s\"", servername);
|
|
|
641
|
|
406
|
642 len = ngx_strlen(servername);
|
|
|
643
|
|
|
644 if (len == 0) {
|
|
|
645 return SSL_TLSEXT_ERR_NOACK;
|
|
|
646 }
|
|
|
647
|
|
306
|
648 r = c->data;
|
|
|
649
|
|
406
|
650 if (ngx_http_find_virtual_server(r, (u_char *) servername, len) != NGX_OK) {
|
|
306
|
651 return SSL_TLSEXT_ERR_NOACK;
|
|
|
652 }
|
|
|
653
|
|
|
654 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
655
|
|
|
656 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
657
|
|
|
658 return SSL_TLSEXT_ERR_OK;
|
|
|
659 }
|
|
|
660
|
|
|
661 #endif
|
|
96
|
662
|
|
0
|
663 #endif
|
|
|
664
|
|
|
665
|
|
50
|
666 static void
|
|
|
667 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
668 {
|
|
342
|
669 ssize_t n;
|
|
|
670 ngx_int_t rc, rv;
|
|
|
671 ngx_connection_t *c;
|
|
|
672 ngx_http_request_t *r;
|
|
|
673 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
674
|
|
|
675 c = rev->data;
|
|
|
676 r = c->data;
|
|
|
677
|
|
|
678 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
679 "http process request line");
|
|
|
680
|
|
|
681 if (rev->timedout) {
|
|
54
|
682 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
683 c->timedout = 1;
|
|
|
684 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
685 return;
|
|
|
686 }
|
|
|
687
|
|
|
688 rc = NGX_AGAIN;
|
|
|
689
|
|
|
690 for ( ;; ) {
|
|
|
691
|
|
|
692 if (rc == NGX_AGAIN) {
|
|
|
693 n = ngx_http_read_request_header(r);
|
|
|
694
|
|
|
695 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
696 return;
|
|
|
697 }
|
|
|
698 }
|
|
|
699
|
|
|
700 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
701
|
|
|
702 if (rc == NGX_OK) {
|
|
|
703
|
|
|
704 /* the request line has been parsed successfully */
|
|
|
705
|
|
10
|
706 r->request_line.len = r->request_end - r->request_start;
|
|
|
707 r->request_line.data = r->request_start;
|
|
|
708
|
|
0
|
709
|
|
|
710 if (r->args_start) {
|
|
|
711 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
712 } else {
|
|
|
713 r->uri.len = r->uri_end - r->uri_start;
|
|
|
714 }
|
|
|
715
|
|
18
|
716
|
|
2
|
717 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
718
|
|
382
|
719 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
|
50
|
720 if (r->uri.data == NULL) {
|
|
10
|
721 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
722 return;
|
|
|
723 }
|
|
|
724
|
|
342
|
725 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
726
|
|
|
727 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
728
|
|
54
|
729 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
730 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
731 "client sent invalid request");
|
|
|
732 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
733 return;
|
|
|
734 }
|
|
|
735
|
|
|
736 } else {
|
|
10
|
737 r->uri.data = r->uri_start;
|
|
0
|
738 }
|
|
|
739
|
|
18
|
740
|
|
10
|
741 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
742 r->unparsed_uri.data = r->uri_start;
|
|
|
743
|
|
0
|
744
|
|
58
|
745 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
746 r->method_name.data = r->request_line.data;
|
|
0
|
747
|
|
10
|
748
|
|
28
|
749 if (r->http_protocol.data) {
|
|
|
750 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
751 }
|
|
|
752
|
|
|
753
|
|
0
|
754 if (r->uri_ext) {
|
|
|
755 if (r->args_start) {
|
|
|
756 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
757 } else {
|
|
|
758 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
759 }
|
|
|
760
|
|
10
|
761 r->exten.data = r->uri_ext;
|
|
0
|
762 }
|
|
|
763
|
|
10
|
764
|
|
0
|
765 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
766 r->args.len = r->uri_end - r->args_start;
|
|
10
|
767 r->args.data = r->args_start;
|
|
0
|
768 }
|
|
|
769
|
|
518
|
770 #if (NGX_WIN32)
|
|
|
771 {
|
|
|
772 u_char *p;
|
|
|
773
|
|
|
774 p = r->uri.data + r->uri.len - 1;
|
|
|
775
|
|
|
776 if (*p == '.') {
|
|
|
777
|
|
|
778 while (--p > r->uri.data && *p == '.') { /* void */ }
|
|
|
779
|
|
|
780 r->uri.len = p + 1 - r->uri.data;
|
|
|
781
|
|
|
782 ngx_http_set_exten(r);
|
|
|
783 }
|
|
|
784 }
|
|
|
785 #endif
|
|
10
|
786
|
|
|
787 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
788 "http request line: \"%V\"", &r->request_line);
|
|
|
789
|
|
0
|
790 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
791 "http uri: \"%V\"", &r->uri);
|
|
0
|
792
|
|
|
793 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
794 "http args: \"%V\"", &r->args);
|
|
0
|
795
|
|
|
796 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
797 "http exten: \"%V\"", &r->exten);
|
|
|
798
|
|
376
|
799 if (r->host_start && r->host_end) {
|
|
|
800 n = ngx_http_validate_host(r->host_start,
|
|
|
801 r->host_end - r->host_start);
|
|
|
802
|
|
|
803 if (n <= 0) {
|
|
|
804 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
805 "client sent invalid host in request line");
|
|
|
806 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
807 return;
|
|
|
808 }
|
|
|
809
|
|
|
810 r->headers_in.server.len = n;
|
|
|
811 r->headers_in.server.data = r->host_start;
|
|
|
812 }
|
|
|
813
|
|
0
|
814 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
815
|
|
|
816 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
817 r->headers_in.server.len)
|
|
|
818 == NGX_ERROR)
|
|
|
819 {
|
|
|
820 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
821 return;
|
|
|
822 }
|
|
|
823
|
|
308
|
824 ngx_http_process_request(r);
|
|
0
|
825 return;
|
|
|
826 }
|
|
|
827
|
|
|
828
|
|
|
829 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
830 sizeof(ngx_table_elt_t))
|
|
463
|
831 != NGX_OK)
|
|
0
|
832 {
|
|
|
833 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
834 return;
|
|
|
835 }
|
|
|
836
|
|
|
837
|
|
48
|
838 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
839 sizeof(ngx_table_elt_t *))
|
|
463
|
840 != NGX_OK)
|
|
0
|
841 {
|
|
|
842 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
843 return;
|
|
|
844 }
|
|
|
845
|
|
32
|
846 c->log->action = "reading client request headers";
|
|
0
|
847
|
|
58
|
848 rev->handler = ngx_http_process_request_headers;
|
|
0
|
849 ngx_http_process_request_headers(rev);
|
|
|
850
|
|
|
851 return;
|
|
54
|
852 }
|
|
|
853
|
|
|
854 if (rc != NGX_AGAIN) {
|
|
0
|
855
|
|
|
856 /* there was error while a request line parsing */
|
|
|
857
|
|
54
|
858 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
859 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
860 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
861 return;
|
|
|
862 }
|
|
|
863
|
|
|
864 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
865
|
|
|
866 if (r->header_in->pos == r->header_in->end) {
|
|
|
867
|
|
|
868 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
869
|
|
|
870 if (rv == NGX_ERROR) {
|
|
|
871 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
872 return;
|
|
|
873 }
|
|
|
874
|
|
|
875 if (rv == NGX_DECLINED) {
|
|
54
|
876 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
877 r->request_line.data = r->request_start;
|
|
|
878
|
|
|
879 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
880 "client sent too long URI");
|
|
|
881 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
882 return;
|
|
|
883 }
|
|
|
884 }
|
|
|
885 }
|
|
|
886 }
|
|
|
887
|
|
|
888
|
|
50
|
889 static void
|
|
|
890 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
891 {
|
|
56
|
892 ssize_t n;
|
|
|
893 ngx_int_t rc, rv;
|
|
|
894 ngx_str_t header;
|
|
58
|
895 ngx_table_elt_t *h;
|
|
56
|
896 ngx_connection_t *c;
|
|
|
897 ngx_http_header_t *hh;
|
|
|
898 ngx_http_request_t *r;
|
|
60
|
899 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
900 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
901
|
|
|
902 c = rev->data;
|
|
|
903 r = c->data;
|
|
|
904
|
|
|
905 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
906 "http process request header line");
|
|
|
907
|
|
|
908 if (rev->timedout) {
|
|
54
|
909 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
910 c->timedout = 1;
|
|
|
911 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
912 return;
|
|
|
913 }
|
|
|
914
|
|
56
|
915 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
916 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
917
|
|
0
|
918 rc = NGX_AGAIN;
|
|
|
919
|
|
|
920 for ( ;; ) {
|
|
|
921
|
|
|
922 if (rc == NGX_AGAIN) {
|
|
|
923
|
|
|
924 if (r->header_in->pos == r->header_in->end) {
|
|
|
925
|
|
|
926 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
927
|
|
|
928 if (rv == NGX_ERROR) {
|
|
|
929 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
930 return;
|
|
|
931 }
|
|
|
932
|
|
|
933 if (rv == NGX_DECLINED) {
|
|
54
|
934 header.len = r->header_in->end - r->header_name_start;
|
|
|
935 header.data = r->header_name_start;
|
|
80
|
936
|
|
|
937 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
938 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
939 header.data[header.len++] = '.';
|
|
|
940 header.data[header.len++] = '.';
|
|
|
941 header.data[header.len++] = '.';
|
|
|
942 }
|
|
|
943
|
|
54
|
944 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
945 "client sent too long header line: \"%V\"",
|
|
|
946 &header);
|
|
330
|
947 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
948 return;
|
|
|
949 }
|
|
|
950 }
|
|
|
951
|
|
|
952 n = ngx_http_read_request_header(r);
|
|
|
953
|
|
|
954 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
955 return;
|
|
|
956 }
|
|
|
957 }
|
|
|
958
|
|
420
|
959 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
|
960 cscf->underscores_in_headers);
|
|
0
|
961
|
|
|
962 if (rc == NGX_OK) {
|
|
|
963
|
|
60
|
964 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
965
|
|
|
966 /* there was error while a header line parsing */
|
|
|
967
|
|
|
968 header.len = r->header_end - r->header_name_start;
|
|
|
969 header.data = r->header_name_start;
|
|
|
970
|
|
54
|
971 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
972 "client sent invalid header line: \"%V\"",
|
|
52
|
973 &header);
|
|
|
974 continue;
|
|
|
975 }
|
|
|
976
|
|
0
|
977 /* a header line has been parsed successfully */
|
|
|
978
|
|
50
|
979 h = ngx_list_push(&r->headers_in.headers);
|
|
|
980 if (h == NULL) {
|
|
0
|
981 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
982 return;
|
|
|
983 }
|
|
|
984
|
|
56
|
985 h->hash = r->header_hash;
|
|
|
986
|
|
0
|
987 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
988 h->key.data = r->header_name_start;
|
|
|
989 h->key.data[h->key.len] = '\0';
|
|
|
990
|
|
|
991 h->value.len = r->header_end - r->header_start;
|
|
|
992 h->value.data = r->header_start;
|
|
|
993 h->value.data[h->value.len] = '\0';
|
|
|
994
|
|
382
|
995 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
|
198
|
996 if (h->lowcase_key == NULL) {
|
|
|
997 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
998 return;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 if (h->key.len == r->lowcase_index) {
|
|
|
1002 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1003
|
|
|
1004 } else {
|
|
394
|
1005 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
0
|
1006 }
|
|
|
1007
|
|
198
|
1008 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
1009 h->lowcase_key, h->key.len);
|
|
|
1010
|
|
|
1011 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1012 return;
|
|
|
1013 }
|
|
|
1014
|
|
0
|
1015 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1016 "http header: \"%V: %V\"",
|
|
|
1017 &h->key, &h->value);
|
|
0
|
1018
|
|
|
1019 continue;
|
|
54
|
1020 }
|
|
|
1021
|
|
|
1022 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
1023
|
|
|
1024 /* a whole header has been parsed successfully */
|
|
|
1025
|
|
|
1026 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1027 "http header done");
|
|
|
1028
|
|
24
|
1029 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
1030
|
|
0
|
1031 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
1032
|
|
|
1033 rc = ngx_http_process_request_header(r);
|
|
|
1034
|
|
|
1035 if (rc != NGX_OK) {
|
|
|
1036 return;
|
|
|
1037 }
|
|
|
1038
|
|
308
|
1039 ngx_http_process_request(r);
|
|
86
|
1040
|
|
0
|
1041 return;
|
|
54
|
1042 }
|
|
|
1043
|
|
|
1044 if (rc == NGX_AGAIN) {
|
|
|
1045
|
|
|
1046 /* a header line parsing is still not complete */
|
|
|
1047
|
|
|
1048 continue;
|
|
0
|
1049 }
|
|
|
1050
|
|
54
|
1051 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
1052
|
|
|
1053 header.len = r->header_end - r->header_name_start;
|
|
|
1054 header.data = r->header_name_start;
|
|
|
1055 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1056 "client sent invalid header line: \"%V\\r...\"",
|
|
|
1057 &header);
|
|
330
|
1058 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
1059 return;
|
|
0
|
1060 }
|
|
|
1061 }
|
|
|
1062
|
|
|
1063
|
|
50
|
1064 static ssize_t
|
|
|
1065 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1066 {
|
|
|
1067 ssize_t n;
|
|
|
1068 ngx_event_t *rev;
|
|
230
|
1069 ngx_connection_t *c;
|
|
0
|
1070 ngx_http_core_srv_conf_t *cscf;
|
|
|
1071
|
|
230
|
1072 c = r->connection;
|
|
|
1073 rev = c->read;
|
|
0
|
1074
|
|
|
1075 n = r->header_in->last - r->header_in->pos;
|
|
|
1076
|
|
|
1077 if (n > 0) {
|
|
|
1078 return n;
|
|
|
1079 }
|
|
|
1080
|
|
72
|
1081 if (rev->ready) {
|
|
230
|
1082 n = c->recv(c, r->header_in->last,
|
|
|
1083 r->header_in->end - r->header_in->last);
|
|
72
|
1084 } else {
|
|
|
1085 n = NGX_AGAIN;
|
|
0
|
1086 }
|
|
|
1087
|
|
|
1088 if (n == NGX_AGAIN) {
|
|
364
|
1089 if (!rev->timer_set) {
|
|
0
|
1090 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1091 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1092 }
|
|
|
1093
|
|
439
|
1094 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
1095 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1096 return NGX_ERROR;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099 return NGX_AGAIN;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 if (n == 0) {
|
|
230
|
1103 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1104 "client closed prematurely connection");
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1108 c->error = 1;
|
|
|
1109 c->log->action = "reading client request headers";
|
|
|
1110
|
|
|
1111 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1112 return NGX_ERROR;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 r->header_in->last += n;
|
|
|
1116
|
|
|
1117 return n;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120
|
|
50
|
1121 static ngx_int_t
|
|
|
1122 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1123 ngx_uint_t request_line)
|
|
0
|
1124 {
|
|
|
1125 u_char *old, *new;
|
|
|
1126 ngx_buf_t *b;
|
|
|
1127 ngx_http_connection_t *hc;
|
|
|
1128 ngx_http_core_srv_conf_t *cscf;
|
|
|
1129
|
|
|
1130 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1131 "http alloc large header buffer");
|
|
|
1132
|
|
|
1133 if (request_line && r->state == 0) {
|
|
|
1134
|
|
|
1135 /* the client fills up the buffer with "\r\n" */
|
|
|
1136
|
|
24
|
1137 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1138
|
|
0
|
1139 r->header_in->pos = r->header_in->start;
|
|
|
1140 r->header_in->last = r->header_in->start;
|
|
|
1141
|
|
|
1142 return NGX_OK;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1146
|
|
|
1147 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1148
|
|
|
1149 if (r->state != 0
|
|
|
1150 && (size_t) (r->header_in->pos - old)
|
|
|
1151 >= cscf->large_client_header_buffers.size)
|
|
|
1152 {
|
|
|
1153 return NGX_DECLINED;
|
|
|
1154 }
|
|
|
1155
|
|
|
1156 hc = r->http_connection;
|
|
|
1157
|
|
|
1158 if (hc->nfree) {
|
|
|
1159 b = hc->free[--hc->nfree];
|
|
|
1160
|
|
|
1161 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1162 "http large header free: %p %uz",
|
|
0
|
1163 b->pos, b->end - b->last);
|
|
|
1164
|
|
|
1165 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1166
|
|
|
1167 if (hc->busy == NULL) {
|
|
|
1168 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1169 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1170 if (hc->busy == NULL) {
|
|
|
1171 return NGX_ERROR;
|
|
|
1172 }
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1176 cscf->large_client_header_buffers.size);
|
|
|
1177 if (b == NULL) {
|
|
|
1178 return NGX_ERROR;
|
|
|
1179 }
|
|
|
1180
|
|
|
1181 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1182 "http large header alloc: %p %uz",
|
|
0
|
1183 b->pos, b->end - b->last);
|
|
|
1184
|
|
|
1185 } else {
|
|
|
1186 return NGX_DECLINED;
|
|
|
1187 }
|
|
|
1188
|
|
|
1189 hc->busy[hc->nbusy++] = b;
|
|
|
1190
|
|
|
1191 if (r->state == 0) {
|
|
|
1192 /*
|
|
|
1193 * r->state == 0 means that a header line was parsed successfully
|
|
|
1194 * and we do not need to copy incomplete header line and
|
|
|
1195 * to relocate the parser header pointers
|
|
|
1196 */
|
|
|
1197
|
|
24
|
1198 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1199
|
|
0
|
1200 r->header_in = b;
|
|
|
1201
|
|
|
1202 return NGX_OK;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1206 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1207
|
|
24
|
1208 r->request_length += old - r->header_in->start;
|
|
|
1209
|
|
0
|
1210 new = b->start;
|
|
|
1211
|
|
|
1212 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1213
|
|
|
1214 b->pos = new + (r->header_in->pos - old);
|
|
|
1215 b->last = new + (r->header_in->pos - old);
|
|
|
1216
|
|
|
1217 if (request_line) {
|
|
|
1218 r->request_start = new;
|
|
|
1219
|
|
|
1220 if (r->request_end) {
|
|
|
1221 r->request_end = new + (r->request_end - old);
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 r->method_end = new + (r->method_end - old);
|
|
|
1225
|
|
|
1226 r->uri_start = new + (r->uri_start - old);
|
|
|
1227 r->uri_end = new + (r->uri_end - old);
|
|
|
1228
|
|
|
1229 if (r->schema_start) {
|
|
|
1230 r->schema_start = new + (r->schema_start - old);
|
|
|
1231 r->schema_end = new + (r->schema_end - old);
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 if (r->host_start) {
|
|
|
1235 r->host_start = new + (r->host_start - old);
|
|
270
|
1236 if (r->host_end) {
|
|
|
1237 r->host_end = new + (r->host_end - old);
|
|
|
1238 }
|
|
0
|
1239 }
|
|
|
1240
|
|
|
1241 if (r->port_start) {
|
|
|
1242 r->port_start = new + (r->port_start - old);
|
|
|
1243 r->port_end = new + (r->port_end - old);
|
|
|
1244 }
|
|
|
1245
|
|
|
1246 if (r->uri_ext) {
|
|
|
1247 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 if (r->args_start) {
|
|
|
1251 r->args_start = new + (r->args_start - old);
|
|
|
1252 }
|
|
|
1253
|
|
354
|
1254 if (r->http_protocol.data) {
|
|
|
1255 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1256 }
|
|
|
1257
|
|
0
|
1258 } else {
|
|
|
1259 r->header_name_start = new;
|
|
|
1260 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1261 r->header_start = new + (r->header_start - old);
|
|
|
1262 r->header_end = new + (r->header_end - old);
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 r->header_in = b;
|
|
|
1266
|
|
|
1267 return NGX_OK;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270
|
|
50
|
1271 static ngx_int_t
|
|
58
|
1272 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1273 ngx_uint_t offset)
|
|
|
1274 {
|
|
|
1275 ngx_table_elt_t **ph;
|
|
|
1276
|
|
|
1277 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1278
|
|
|
1279 if (*ph == NULL) {
|
|
|
1280 *ph = h;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 return NGX_OK;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286
|
|
|
1287 static ngx_int_t
|
|
72
|
1288 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1289 ngx_uint_t offset)
|
|
|
1290 {
|
|
|
1291 ngx_table_elt_t **ph;
|
|
|
1292
|
|
|
1293 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1294
|
|
|
1295 if (*ph == NULL) {
|
|
|
1296 *ph = h;
|
|
|
1297 return NGX_OK;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1301 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1302 "previous value: \"%V: %V\"",
|
|
|
1303 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1304
|
|
|
1305 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1306
|
|
|
1307 return NGX_ERROR;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310
|
|
|
1311 static ngx_int_t
|
|
376
|
1312 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1313 ngx_uint_t offset)
|
|
|
1314 {
|
|
|
1315 ssize_t len;
|
|
|
1316
|
|
|
1317 if (r->headers_in.host == NULL) {
|
|
|
1318 r->headers_in.host = h;
|
|
|
1319 }
|
|
|
1320
|
|
|
1321 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1322
|
|
|
1323 if (len <= 0) {
|
|
|
1324 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1325 "client sent invalid host header");
|
|
|
1326 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1327 return NGX_ERROR;
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 if (r->headers_in.server.len) {
|
|
|
1331 return NGX_OK;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 r->headers_in.server.len = len;
|
|
|
1335 r->headers_in.server.data = h->value.data;
|
|
|
1336
|
|
|
1337 return NGX_OK;
|
|
|
1338 }
|
|
|
1339
|
|
|
1340
|
|
|
1341 static ngx_int_t
|
|
336
|
1342 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1343 ngx_uint_t offset)
|
|
|
1344 {
|
|
340
|
1345 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1346 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1347
|
|
340
|
1348 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1349 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1350 }
|
|
|
1351
|
|
|
1352 return NGX_OK;
|
|
|
1353 }
|
|
|
1354
|
|
|
1355
|
|
|
1356 static ngx_int_t
|
|
376
|
1357 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1358 ngx_uint_t offset)
|
|
|
1359 {
|
|
406
|
1360 u_char *user_agent, *msie;
|
|
376
|
1361
|
|
|
1362 if (r->headers_in.user_agent) {
|
|
|
1363 return NGX_OK;
|
|
|
1364 }
|
|
|
1365
|
|
|
1366 r->headers_in.user_agent = h;
|
|
|
1367
|
|
|
1368 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1369
|
|
|
1370 user_agent = h->value.data;
|
|
|
1371
|
|
406
|
1372 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
|
1373
|
|
|
1374 if (msie && msie + 7 < user_agent + h->value.len) {
|
|
376
|
1375
|
|
|
1376 r->headers_in.msie = 1;
|
|
|
1377
|
|
406
|
1378 if (msie[6] == '.') {
|
|
|
1379
|
|
|
1380 switch (msie[5]) {
|
|
|
1381 case '4':
|
|
|
1382 r->headers_in.msie4 = 1;
|
|
|
1383 /* fall through */
|
|
|
1384 case '5':
|
|
|
1385 case '6':
|
|
|
1386 r->headers_in.msie6 = 1;
|
|
|
1387 }
|
|
376
|
1388 }
|
|
|
1389
|
|
|
1390 #if 0
|
|
|
1391 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1392 if (c->ssl) {
|
|
|
1393 c->ssl->no_send_shutdown = 1;
|
|
|
1394 }
|
|
|
1395 #endif
|
|
|
1396 }
|
|
|
1397
|
|
|
1398 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1399 r->headers_in.opera = 1;
|
|
|
1400 r->headers_in.msie = 0;
|
|
|
1401 r->headers_in.msie4 = 0;
|
|
406
|
1402 r->headers_in.msie6 = 0;
|
|
376
|
1403 }
|
|
|
1404
|
|
|
1405 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1406
|
|
|
1407 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1408 r->headers_in.gecko = 1;
|
|
|
1409
|
|
|
1410 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1411 r->headers_in.konqueror = 1;
|
|
|
1412 }
|
|
|
1413 }
|
|
|
1414
|
|
|
1415 return NGX_OK;
|
|
|
1416 }
|
|
|
1417
|
|
|
1418
|
|
|
1419 static ngx_int_t
|
|
58
|
1420 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1421 ngx_uint_t offset)
|
|
|
1422 {
|
|
|
1423 ngx_table_elt_t **cookie;
|
|
|
1424
|
|
|
1425 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1426 if (cookie) {
|
|
|
1427 *cookie = h;
|
|
|
1428 return NGX_OK;
|
|
58
|
1429 }
|
|
|
1430
|
|
72
|
1431 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1432
|
|
|
1433 return NGX_ERROR;
|
|
58
|
1434 }
|
|
|
1435
|
|
|
1436
|
|
|
1437 static ngx_int_t
|
|
50
|
1438 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1439 {
|
|
376
|
1440 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1441 r->headers_in.server.len)
|
|
|
1442 == NGX_ERROR)
|
|
|
1443 {
|
|
|
1444 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1445 return NGX_ERROR;
|
|
|
1446 }
|
|
|
1447
|
|
|
1448 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1449 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1450 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1451 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1452 return NGX_ERROR;
|
|
0
|
1453 }
|
|
|
1454
|
|
|
1455 if (r->headers_in.content_length) {
|
|
|
1456 r->headers_in.content_length_n =
|
|
212
|
1457 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1458 r->headers_in.content_length->value.len);
|
|
|
1459
|
|
|
1460 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1461 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1462 "client sent invalid \"Content-Length\" header");
|
|
130
|
1463 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1464 return NGX_ERROR;
|
|
0
|
1465 }
|
|
|
1466 }
|
|
|
1467
|
|
435
|
1468 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1469 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1470 "client sent %V method without \"Content-Length\" header",
|
|
|
1471 &r->method_name);
|
|
130
|
1472 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1473 return NGX_ERROR;
|
|
|
1474 }
|
|
|
1475
|
|
336
|
1476 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1477 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1478 "client sent TRACE method");
|
|
|
1479 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1480 return NGX_ERROR;
|
|
|
1481 }
|
|
|
1482
|
|
130
|
1483 if (r->headers_in.transfer_encoding
|
|
340
|
1484 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1485 "chunked", 7 - 1))
|
|
130
|
1486 {
|
|
|
1487 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1488 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1489 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1490 return NGX_ERROR;
|
|
0
|
1491 }
|
|
|
1492
|
|
336
|
1493 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1494 if (r->headers_in.keep_alive) {
|
|
|
1495 r->headers_in.keep_alive_n =
|
|
|
1496 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1497 r->headers_in.keep_alive->value.len);
|
|
0
|
1498 }
|
|
|
1499 }
|
|
|
1500
|
|
308
|
1501 return NGX_OK;
|
|
|
1502 }
|
|
|
1503
|
|
|
1504
|
|
|
1505 static void
|
|
|
1506 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1507 {
|
|
356
|
1508 ngx_connection_t *c;
|
|
308
|
1509
|
|
|
1510 c = r->connection;
|
|
|
1511
|
|
354
|
1512 if (r->plain_http) {
|
|
|
1513 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1514 "client sent plain HTTP request to HTTPS port");
|
|
|
1515 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1516 return;
|
|
|
1517 }
|
|
|
1518
|
|
308
|
1519 #if (NGX_HTTP_SSL)
|
|
|
1520
|
|
|
1521 if (c->ssl) {
|
|
356
|
1522 long rc;
|
|
372
|
1523 X509 *cert;
|
|
356
|
1524 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1525
|
|
218
|
1526 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1527
|
|
520
|
1528 if (sscf->verify) {
|
|
308
|
1529 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1530
|
|
|
1531 if (rc != X509_V_OK) {
|
|
308
|
1532 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1533 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1534 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1535
|
|
|
1536 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1537 (SSL_get0_session(c->ssl->connection)));
|
|
|
1538
|
|
218
|
1539 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1540 return;
|
|
218
|
1541 }
|
|
|
1542
|
|
520
|
1543 if (sscf->verify == 1) {
|
|
|
1544 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1545
|
|
|
1546 if (cert == NULL) {
|
|
|
1547 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1548 "client sent no required SSL certificate");
|
|
|
1549
|
|
|
1550 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
366
|
1551 (SSL_get0_session(c->ssl->connection)));
|
|
|
1552
|
|
520
|
1553 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
|
1554 return;
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 X509_free(cert);
|
|
218
|
1558 }
|
|
|
1559 }
|
|
|
1560 }
|
|
|
1561
|
|
|
1562 #endif
|
|
|
1563
|
|
308
|
1564 if (c->read->timer_set) {
|
|
|
1565 ngx_del_timer(c->read);
|
|
|
1566 }
|
|
|
1567
|
|
|
1568 #if (NGX_STAT_STUB)
|
|
511
|
1569 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
308
|
1570 r->stat_reading = 0;
|
|
511
|
1571 (void) ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
308
|
1572 r->stat_writing = 1;
|
|
|
1573 #endif
|
|
|
1574
|
|
|
1575 c->read->handler = ngx_http_request_handler;
|
|
|
1576 c->write->handler = ngx_http_request_handler;
|
|
326
|
1577 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1578
|
|
|
1579 ngx_http_handler(r);
|
|
|
1580
|
|
435
|
1581 ngx_http_run_posted_requests(c);
|
|
0
|
1582 }
|
|
|
1583
|
|
|
1584
|
|
376
|
1585 static ssize_t
|
|
|
1586 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1587 {
|
|
376
|
1588 u_char ch;
|
|
|
1589 size_t i, last;
|
|
|
1590 ngx_uint_t dot;
|
|
|
1591
|
|
|
1592 last = len;
|
|
|
1593 dot = 0;
|
|
|
1594
|
|
|
1595 for (i = 0; i < len; i++) {
|
|
|
1596 ch = host[i];
|
|
|
1597
|
|
|
1598 if (ch == '.') {
|
|
|
1599 if (dot) {
|
|
|
1600 return -1;
|
|
|
1601 }
|
|
|
1602
|
|
|
1603 dot = 1;
|
|
|
1604 continue;
|
|
|
1605 }
|
|
|
1606
|
|
|
1607 dot = 0;
|
|
|
1608
|
|
|
1609 if (ch == ':') {
|
|
|
1610 last = i;
|
|
|
1611 continue;
|
|
|
1612 }
|
|
|
1613
|
|
491
|
1614 if (ngx_path_separator(ch) || ch == '\0') {
|
|
376
|
1615 return -1;
|
|
|
1616 }
|
|
|
1617 }
|
|
|
1618
|
|
|
1619 if (dot) {
|
|
|
1620 last--;
|
|
|
1621 }
|
|
|
1622
|
|
|
1623 return last;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626
|
|
|
1627 static ngx_int_t
|
|
|
1628 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1629 {
|
|
394
|
1630 u_char *server;
|
|
|
1631 ngx_uint_t hash;
|
|
142
|
1632 ngx_http_core_loc_conf_t *clcf;
|
|
|
1633 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1634 u_char buf[32];
|
|
|
1635
|
|
487
|
1636 if (r->virtual_names == NULL) {
|
|
376
|
1637 return NGX_DECLINED;
|
|
|
1638 }
|
|
|
1639
|
|
|
1640 if (len <= 32) {
|
|
|
1641 server = buf;
|
|
|
1642
|
|
|
1643 } else {
|
|
382
|
1644 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1645 if (server == NULL) {
|
|
|
1646 return NGX_ERROR;
|
|
|
1647 }
|
|
|
1648 }
|
|
|
1649
|
|
394
|
1650 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1651
|
|
487
|
1652 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, server, len);
|
|
312
|
1653
|
|
|
1654 if (cscf) {
|
|
|
1655 goto found;
|
|
26
|
1656 }
|
|
|
1657
|
|
326
|
1658 #if (NGX_PCRE)
|
|
|
1659
|
|
487
|
1660 if (r->virtual_names->nregex) {
|
|
469
|
1661 size_t ncaptures;
|
|
356
|
1662 ngx_int_t n;
|
|
|
1663 ngx_uint_t i;
|
|
|
1664 ngx_str_t name;
|
|
|
1665 ngx_http_server_name_t *sn;
|
|
326
|
1666
|
|
|
1667 name.len = len;
|
|
376
|
1668 name.data = server;
|
|
326
|
1669
|
|
465
|
1670 ncaptures = 0;
|
|
|
1671
|
|
487
|
1672 sn = r->virtual_names->regex;
|
|
|
1673
|
|
|
1674 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
326
|
1675
|
|
465
|
1676 if (sn[i].captures && r->captures == NULL) {
|
|
|
1677
|
|
467
|
1678 ncaptures = (NGX_HTTP_MAX_CAPTURES + 1) * 3;
|
|
|
1679
|
|
|
1680 r->captures = ngx_palloc(r->pool, ncaptures * sizeof(int));
|
|
465
|
1681 if (r->captures == NULL) {
|
|
|
1682 return NGX_ERROR;
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 if (server == buf) {
|
|
|
1686 server = ngx_pnalloc(r->pool, len);
|
|
|
1687 if (server == NULL) {
|
|
|
1688 return NGX_ERROR;
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 ngx_memcpy(server, buf, len);
|
|
|
1692 name.data = server;
|
|
|
1693 }
|
|
|
1694 }
|
|
|
1695
|
|
|
1696 n = ngx_regex_exec(sn[i].regex, &name, r->captures, ncaptures);
|
|
326
|
1697
|
|
|
1698 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1699 continue;
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 if (n < 0) {
|
|
|
1703 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1704 ngx_regex_exec_n
|
|
|
1705 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1706 n, &name, &sn[i].name);
|
|
376
|
1707 return NGX_ERROR;
|
|
326
|
1708 }
|
|
|
1709
|
|
|
1710 /* match */
|
|
|
1711
|
|
|
1712 cscf = sn[i].core_srv_conf;
|
|
|
1713
|
|
465
|
1714 r->ncaptures = ncaptures;
|
|
|
1715 r->captures_data = server;
|
|
|
1716
|
|
326
|
1717 goto found;
|
|
|
1718 }
|
|
|
1719 }
|
|
|
1720
|
|
|
1721 #endif
|
|
|
1722
|
|
376
|
1723 return NGX_OK;
|
|
58
|
1724
|
|
|
1725 found:
|
|
|
1726
|
|
142
|
1727 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1728 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1729
|
|
|
1730 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
493
|
1731 r->connection->log->file = clcf->error_log->file;
|
|
58
|
1732
|
|
|
1733 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
493
|
1734 r->connection->log->log_level = clcf->error_log->log_level;
|
|
26
|
1735 }
|
|
|
1736
|
|
376
|
1737 return NGX_OK;
|
|
26
|
1738 }
|
|
|
1739
|
|
|
1740
|
|
58
|
1741 static void
|
|
|
1742 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1743 {
|
|
|
1744 ngx_connection_t *c;
|
|
|
1745 ngx_http_request_t *r;
|
|
214
|
1746 ngx_http_log_ctx_t *ctx;
|
|
58
|
1747
|
|
|
1748 c = ev->data;
|
|
|
1749 r = c->data;
|
|
|
1750
|
|
214
|
1751 ctx = c->log->data;
|
|
|
1752 ctx->current_request = r;
|
|
|
1753
|
|
435
|
1754 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1755 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1756
|
|
58
|
1757 if (ev->write) {
|
|
|
1758 r->write_event_handler(r);
|
|
|
1759
|
|
|
1760 } else {
|
|
|
1761 r->read_event_handler(r);
|
|
|
1762 }
|
|
435
|
1763
|
|
|
1764 ngx_http_run_posted_requests(c);
|
|
|
1765 }
|
|
|
1766
|
|
|
1767
|
|
|
1768 void
|
|
|
1769 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1770 {
|
|
|
1771 ngx_http_request_t *r;
|
|
|
1772 ngx_http_log_ctx_t *ctx;
|
|
|
1773 ngx_http_posted_request_t *pr;
|
|
|
1774
|
|
|
1775 for ( ;; ) {
|
|
|
1776
|
|
|
1777 if (c->destroyed) {
|
|
|
1778 return;
|
|
|
1779 }
|
|
|
1780
|
|
|
1781 r = c->data;
|
|
|
1782 pr = r->main->posted_requests;
|
|
|
1783
|
|
|
1784 if (pr == NULL) {
|
|
|
1785 return;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 r->main->posted_requests = pr->next;
|
|
|
1789
|
|
|
1790 r = pr->request;
|
|
|
1791
|
|
|
1792 ctx = c->log->data;
|
|
|
1793 ctx->current_request = r;
|
|
|
1794
|
|
|
1795 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1796 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1797
|
|
|
1798 r->write_event_handler(r);
|
|
|
1799 }
|
|
|
1800 }
|
|
|
1801
|
|
|
1802
|
|
|
1803 ngx_int_t
|
|
|
1804 ngx_http_post_request(ngx_http_request_t *r)
|
|
|
1805 {
|
|
|
1806 ngx_http_posted_request_t *pr, **p;
|
|
|
1807
|
|
|
1808 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1809 if (pr == NULL) {
|
|
|
1810 return NGX_ERROR;
|
|
|
1811 }
|
|
|
1812
|
|
|
1813 pr->request = r;
|
|
|
1814 pr->next = NULL;
|
|
|
1815
|
|
|
1816 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1817
|
|
|
1818 *p = pr;
|
|
|
1819
|
|
|
1820 return NGX_OK;
|
|
58
|
1821 }
|
|
|
1822
|
|
|
1823
|
|
50
|
1824 void
|
|
58
|
1825 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1826 {
|
|
330
|
1827 ngx_connection_t *c;
|
|
58
|
1828 ngx_http_request_t *pr;
|
|
0
|
1829 ngx_http_core_loc_conf_t *clcf;
|
|
|
1830
|
|
58
|
1831 if (rc == NGX_DONE) {
|
|
118
|
1832 /* the request pool may be already destroyed */
|
|
58
|
1833 return;
|
|
|
1834 }
|
|
|
1835
|
|
330
|
1836 c = r->connection;
|
|
|
1837
|
|
435
|
1838 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1839 "http finalize request: %d, \"%V?%V\" %d",
|
|
|
1840 rc, &r->uri, &r->args, r == c->data);
|
|
132
|
1841
|
|
497
|
1842 if (rc == NGX_OK && r->filter_finalize) {
|
|
|
1843 c->error = 1;
|
|
|
1844 return;
|
|
|
1845 }
|
|
|
1846
|
|
230
|
1847 if (rc == NGX_DECLINED) {
|
|
|
1848 r->content_handler = NULL;
|
|
|
1849 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1850 ngx_http_core_run_phases(r);
|
|
|
1851 return;
|
|
|
1852 }
|
|
|
1853
|
|
248
|
1854 if (r != r->main && r->post_subrequest) {
|
|
|
1855 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1856 }
|
|
|
1857
|
|
358
|
1858 if (rc == NGX_ERROR
|
|
|
1859 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1860 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1861 || c->error)
|
|
|
1862 {
|
|
282
|
1863 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1864 r->headers_out.status = rc;
|
|
190
|
1865 }
|
|
|
1866
|
|
162
|
1867 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1868 return;
|
|
|
1869 }
|
|
|
1870
|
|
118
|
1871 ngx_http_close_request(r, 0);
|
|
0
|
1872 return;
|
|
|
1873 }
|
|
|
1874
|
|
186
|
1875 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1876 || rc == NGX_HTTP_CREATED
|
|
|
1877 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1878 {
|
|
136
|
1879 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1880 ngx_http_close_request(r, rc);
|
|
|
1881 return;
|
|
|
1882 }
|
|
|
1883
|
|
146
|
1884 if (r == r->main) {
|
|
330
|
1885 if (c->read->timer_set) {
|
|
|
1886 ngx_del_timer(c->read);
|
|
118
|
1887 }
|
|
|
1888
|
|
330
|
1889 if (c->write->timer_set) {
|
|
|
1890 ngx_del_timer(c->write);
|
|
118
|
1891 }
|
|
|
1892 }
|
|
|
1893
|
|
416
|
1894 c->read->handler = ngx_http_request_handler;
|
|
|
1895 c->write->handler = ngx_http_request_handler;
|
|
|
1896
|
|
118
|
1897 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1898 return;
|
|
|
1899 }
|
|
|
1900
|
|
435
|
1901 if (r != r->main) {
|
|
|
1902
|
|
|
1903 if (r->buffered || r->postponed) {
|
|
|
1904
|
|
|
1905 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1906 ngx_http_close_request(r->main, 0);
|
|
|
1907 }
|
|
|
1908
|
|
74
|
1909 return;
|
|
|
1910 }
|
|
435
|
1911
|
|
|
1912 #if (NGX_DEBUG)
|
|
|
1913 if (r != c->data) {
|
|
|
1914 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1915 "http finalize non-active request: \"%V?%V\"",
|
|
|
1916 &r->uri, &r->args);
|
|
|
1917 }
|
|
|
1918 #endif
|
|
58
|
1919
|
|
|
1920 pr = r->parent;
|
|
|
1921
|
|
435
|
1922 if (r == c->data) {
|
|
|
1923
|
|
|
1924 if (!r->logged) {
|
|
|
1925
|
|
|
1926 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1927
|
|
|
1928 if (clcf->log_subrequest) {
|
|
|
1929 ngx_http_log_request(r);
|
|
|
1930 }
|
|
|
1931
|
|
|
1932 r->logged = 1;
|
|
|
1933
|
|
|
1934 } else {
|
|
|
1935 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1936 "subrequest: \"%V?%V\" logged again",
|
|
|
1937 &r->uri, &r->args);
|
|
|
1938 }
|
|
|
1939
|
|
|
1940 r->done = 1;
|
|
|
1941
|
|
|
1942 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1943 pr->postponed = pr->postponed->next;
|
|
|
1944 }
|
|
|
1945
|
|
|
1946 c->data = pr;
|
|
|
1947
|
|
|
1948 } else {
|
|
|
1949
|
|
|
1950 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1951
|
|
|
1952 if (r->waited) {
|
|
|
1953 r->done = 1;
|
|
|
1954 }
|
|
|
1955 }
|
|
|
1956
|
|
|
1957 if (ngx_http_post_request(pr) != NGX_OK) {
|
|
|
1958 ngx_http_close_request(r->main, 0);
|
|
|
1959 return;
|
|
|
1960 }
|
|
|
1961
|
|
330
|
1962 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
435
|
1963 "http wake parent request: \"%V?%V\"",
|
|
|
1964 &pr->uri, &pr->args);
|
|
|
1965
|
|
|
1966 return;
|
|
|
1967 }
|
|
|
1968
|
|
|
1969 if (r->buffered || c->buffered || r->postponed) {
|
|
|
1970
|
|
|
1971 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1972 ngx_http_close_request(r, 0);
|
|
58
|
1973 }
|
|
|
1974
|
|
|
1975 return;
|
|
|
1976 }
|
|
0
|
1977
|
|
435
|
1978 if (r != c->data) {
|
|
|
1979 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1980 "http finalize non-active request: \"%V?%V\"",
|
|
|
1981 &r->uri, &r->args);
|
|
0
|
1982 return;
|
|
76
|
1983 }
|
|
|
1984
|
|
435
|
1985 r->done = 1;
|
|
0
|
1986
|
|
178
|
1987 if (!r->post_action) {
|
|
|
1988 r->request_complete = 1;
|
|
|
1989 }
|
|
|
1990
|
|
162
|
1991 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1992 return;
|
|
|
1993 }
|
|
|
1994
|
|
330
|
1995 if (c->read->timer_set) {
|
|
|
1996 ngx_del_timer(c->read);
|
|
|
1997 }
|
|
|
1998
|
|
|
1999 if (c->write->timer_set) {
|
|
|
2000 c->write->delayed = 0;
|
|
|
2001 ngx_del_timer(c->write);
|
|
0
|
2002 }
|
|
|
2003
|
|
330
|
2004 if (c->destroyed) {
|
|
|
2005 return;
|
|
0
|
2006 }
|
|
|
2007
|
|
330
|
2008 if (c->read->eof) {
|
|
|
2009 ngx_http_close_request(r, 0);
|
|
138
|
2010 return;
|
|
|
2011 }
|
|
|
2012
|
|
435
|
2013 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2014
|
|
0
|
2015 if (!ngx_terminate
|
|
|
2016 && !ngx_exiting
|
|
378
|
2017 && r->keepalive
|
|
0
|
2018 && clcf->keepalive_timeout > 0)
|
|
|
2019 {
|
|
|
2020 ngx_http_set_keepalive(r);
|
|
|
2021 return;
|
|
|
2022
|
|
|
2023 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
2024 ngx_http_set_lingering_close(r);
|
|
|
2025 return;
|
|
|
2026 }
|
|
|
2027
|
|
|
2028 ngx_http_close_request(r, 0);
|
|
|
2029 }
|
|
|
2030
|
|
|
2031
|
|
74
|
2032 static ngx_int_t
|
|
50
|
2033 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
2034 {
|
|
|
2035 ngx_event_t *wev;
|
|
|
2036 ngx_http_core_loc_conf_t *clcf;
|
|
|
2037
|
|
58
|
2038 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
2039
|
|
326
|
2040 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
2041 r->write_event_handler = ngx_http_writer;
|
|
|
2042
|
|
0
|
2043 wev = r->connection->write;
|
|
|
2044
|
|
|
2045 if (wev->ready && wev->delayed) {
|
|
74
|
2046 return NGX_OK;
|
|
0
|
2047 }
|
|
|
2048
|
|
58
|
2049 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
2050 if (!wev->delayed) {
|
|
|
2051 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2052 }
|
|
|
2053
|
|
439
|
2054 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
0
|
2055 ngx_http_close_request(r, 0);
|
|
74
|
2056 return NGX_ERROR;
|
|
0
|
2057 }
|
|
74
|
2058
|
|
|
2059 return NGX_OK;
|
|
0
|
2060 }
|
|
|
2061
|
|
|
2062
|
|
58
|
2063 static void
|
|
|
2064 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
2065 {
|
|
|
2066 int rc;
|
|
58
|
2067 ngx_event_t *wev;
|
|
0
|
2068 ngx_connection_t *c;
|
|
|
2069 ngx_http_core_loc_conf_t *clcf;
|
|
|
2070
|
|
58
|
2071 c = r->connection;
|
|
|
2072 wev = c->write;
|
|
|
2073
|
|
132
|
2074 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2075 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2076
|
|
435
|
2077 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2078
|
|
0
|
2079 if (wev->timedout) {
|
|
|
2080 if (!wev->delayed) {
|
|
54
|
2081 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2082 "client timed out");
|
|
|
2083 c->timedout = 1;
|
|
116
|
2084
|
|
162
|
2085 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2086 return;
|
|
|
2087 }
|
|
|
2088
|
|
|
2089 wev->timedout = 0;
|
|
|
2090 wev->delayed = 0;
|
|
|
2091
|
|
|
2092 if (!wev->ready) {
|
|
|
2093 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2094
|
|
439
|
2095 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2096 ngx_http_close_request(r, 0);
|
|
0
|
2097 }
|
|
|
2098
|
|
|
2099 return;
|
|
|
2100 }
|
|
|
2101
|
|
|
2102 } else {
|
|
|
2103 if (wev->delayed) {
|
|
|
2104 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2105 "http writer delayed");
|
|
|
2106
|
|
439
|
2107 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2108 ngx_http_close_request(r, 0);
|
|
0
|
2109 }
|
|
|
2110
|
|
|
2111 return;
|
|
|
2112 }
|
|
|
2113 }
|
|
|
2114
|
|
132
|
2115 rc = ngx_http_output_filter(r, NULL);
|
|
|
2116
|
|
|
2117 if (c->destroyed) {
|
|
|
2118 return;
|
|
58
|
2119 }
|
|
|
2120
|
|
132
|
2121 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2122 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2123 rc, &r->uri, &r->args);
|
|
0
|
2124
|
|
503
|
2125 if (rc == NGX_ERROR) {
|
|
|
2126 ngx_http_finalize_request(r, rc);
|
|
|
2127 return;
|
|
|
2128 }
|
|
|
2129
|
|
435
|
2130 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2131
|
|
0
|
2132 if (!wev->ready && !wev->delayed) {
|
|
|
2133 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2134 }
|
|
|
2135
|
|
439
|
2136 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2137 ngx_http_close_request(r, 0);
|
|
0
|
2138 }
|
|
|
2139
|
|
435
|
2140 return;
|
|
0
|
2141 }
|
|
|
2142
|
|
132
|
2143 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2144 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2145
|
|
|
2146 ngx_http_finalize_request(r, rc);
|
|
|
2147 }
|
|
|
2148
|
|
|
2149
|
|
435
|
2150 static void
|
|
|
2151 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2152 {
|
|
|
2153 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2154 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2155
|
|
|
2156 ngx_http_finalize_request(r, 0);
|
|
|
2157 }
|
|
|
2158
|
|
|
2159
|
|
326
|
2160 void
|
|
|
2161 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2162 {
|
|
318
|
2163 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2164 "http reading blocked");
|
|
318
|
2165
|
|
|
2166 /* aio does not call this handler */
|
|
|
2167
|
|
|
2168 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2169 && r->connection->read->active)
|
|
|
2170 {
|
|
439
|
2171 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
318
|
2172 ngx_http_close_request(r, 0);
|
|
|
2173 }
|
|
|
2174 }
|
|
|
2175 }
|
|
|
2176
|
|
|
2177
|
|
425
|
2178 void
|
|
326
|
2179 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2180 {
|
|
276
|
2181 int n;
|
|
|
2182 char buf[1];
|
|
|
2183 ngx_err_t err;
|
|
|
2184 ngx_event_t *rev;
|
|
|
2185 ngx_connection_t *c;
|
|
|
2186
|
|
|
2187 c = r->connection;
|
|
|
2188 rev = c->read;
|
|
|
2189
|
|
326
|
2190 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2191
|
|
|
2192 #if (NGX_HAVE_KQUEUE)
|
|
|
2193
|
|
|
2194 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2195
|
|
|
2196 if (!rev->pending_eof) {
|
|
|
2197 return;
|
|
|
2198 }
|
|
|
2199
|
|
|
2200 rev->eof = 1;
|
|
|
2201 c->error = 1;
|
|
|
2202 err = rev->kq_errno;
|
|
|
2203
|
|
|
2204 goto closed;
|
|
|
2205 }
|
|
|
2206
|
|
|
2207 #endif
|
|
|
2208
|
|
|
2209 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2210
|
|
|
2211 if (n == 0) {
|
|
|
2212 rev->eof = 1;
|
|
|
2213 c->error = 1;
|
|
|
2214 err = 0;
|
|
|
2215
|
|
|
2216 goto closed;
|
|
|
2217
|
|
|
2218 } else if (n == -1) {
|
|
|
2219 err = ngx_socket_errno;
|
|
|
2220
|
|
|
2221 if (err != NGX_EAGAIN) {
|
|
|
2222 rev->eof = 1;
|
|
|
2223 c->error = 1;
|
|
|
2224
|
|
|
2225 goto closed;
|
|
|
2226 }
|
|
|
2227 }
|
|
0
|
2228
|
|
|
2229 /* aio does not call this handler */
|
|
|
2230
|
|
276
|
2231 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2232
|
|
439
|
2233 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
0
|
2234 ngx_http_close_request(r, 0);
|
|
|
2235 }
|
|
|
2236 }
|
|
276
|
2237
|
|
|
2238 return;
|
|
|
2239
|
|
|
2240 closed:
|
|
|
2241
|
|
|
2242 if (err) {
|
|
|
2243 rev->error = 1;
|
|
|
2244 }
|
|
|
2245
|
|
|
2246 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2247 "client closed prematurely connection");
|
|
|
2248
|
|
286
|
2249 ngx_http_finalize_request(r, 0);
|
|
0
|
2250 }
|
|
|
2251
|
|
|
2252
|
|
50
|
2253 static void
|
|
|
2254 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2255 {
|
|
2
|
2256 int tcp_nodelay;
|
|
0
|
2257 ngx_int_t i;
|
|
|
2258 ngx_buf_t *b, *f;
|
|
|
2259 ngx_event_t *rev, *wev;
|
|
|
2260 ngx_connection_t *c;
|
|
|
2261 ngx_http_connection_t *hc;
|
|
|
2262 ngx_http_core_srv_conf_t *cscf;
|
|
|
2263 ngx_http_core_loc_conf_t *clcf;
|
|
|
2264
|
|
|
2265 c = r->connection;
|
|
|
2266 rev = c->read;
|
|
|
2267
|
|
326
|
2268 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2269
|
|
0
|
2270 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2271
|
|
326
|
2272 if (r->discard_body) {
|
|
451
|
2273 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
2274 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2275 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2276 return;
|
|
|
2277 }
|
|
|
2278
|
|
32
|
2279 c->log->action = "closing request";
|
|
0
|
2280
|
|
|
2281 hc = r->http_connection;
|
|
|
2282 b = r->header_in;
|
|
|
2283
|
|
|
2284 if (b->pos < b->last) {
|
|
|
2285
|
|
|
2286 /* the pipelined request */
|
|
|
2287
|
|
|
2288 if (b != c->buffer) {
|
|
|
2289
|
|
4
|
2290 /*
|
|
|
2291 * If the large header buffers were allocated while the previous
|
|
|
2292 * request processing then we do not use c->buffer for
|
|
|
2293 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2294 *
|
|
4
|
2295 * Now we would move the large header buffers to the free list.
|
|
|
2296 */
|
|
0
|
2297
|
|
|
2298 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2299
|
|
|
2300 if (hc->free == NULL) {
|
|
|
2301 hc->free = ngx_palloc(c->pool,
|
|
|
2302 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2303
|
|
|
2304 if (hc->free == NULL) {
|
|
26
|
2305 ngx_http_close_request(r, 0);
|
|
0
|
2306 return;
|
|
|
2307 }
|
|
|
2308 }
|
|
|
2309
|
|
|
2310 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2311 f = hc->busy[i];
|
|
|
2312 hc->free[hc->nfree++] = f;
|
|
|
2313 f->pos = f->start;
|
|
|
2314 f->last = f->start;
|
|
|
2315 }
|
|
|
2316
|
|
|
2317 hc->busy[0] = b;
|
|
|
2318 hc->nbusy = 1;
|
|
|
2319 }
|
|
|
2320 }
|
|
|
2321
|
|
118
|
2322 ngx_http_request_done(r, 0);
|
|
|
2323
|
|
0
|
2324 c->data = hc;
|
|
|
2325
|
|
|
2326 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2327
|
|
439
|
2328 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2329 ngx_http_close_connection(c);
|
|
|
2330 return;
|
|
|
2331 }
|
|
|
2332
|
|
|
2333 wev = c->write;
|
|
58
|
2334 wev->handler = ngx_http_empty_handler;
|
|
0
|
2335
|
|
|
2336 if (b->pos < b->last) {
|
|
|
2337
|
|
|
2338 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2339
|
|
116
|
2340 #if (NGX_STAT_STUB)
|
|
511
|
2341 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2342 #endif
|
|
|
2343
|
|
0
|
2344 hc->pipeline = 1;
|
|
32
|
2345 c->log->action = "reading client pipelined request line";
|
|
116
|
2346
|
|
376
|
2347 rev->handler = ngx_http_init_request;
|
|
|
2348 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2349 return;
|
|
|
2350 }
|
|
|
2351
|
|
|
2352 hc->pipeline = 0;
|
|
|
2353
|
|
4
|
2354 /*
|
|
|
2355 * To keep a memory footprint as small as possible for an idle
|
|
|
2356 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2357 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2358 * The large header buffers are always allocated outside the c->pool and
|
|
|
2359 * are freed too.
|
|
|
2360 */
|
|
|
2361
|
|
0
|
2362 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2363 hc->request = NULL;
|
|
|
2364 }
|
|
|
2365
|
|
|
2366 b = c->buffer;
|
|
|
2367
|
|
|
2368 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2369
|
|
|
2370 /*
|
|
|
2371 * the special note for ngx_http_keepalive_handler() that
|
|
|
2372 * c->buffer's memory was freed
|
|
|
2373 */
|
|
|
2374
|
|
0
|
2375 b->pos = NULL;
|
|
|
2376
|
|
|
2377 } else {
|
|
|
2378 b->pos = b->start;
|
|
|
2379 b->last = b->start;
|
|
|
2380 }
|
|
|
2381
|
|
10
|
2382 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2383 hc->free, hc->nfree);
|
|
|
2384
|
|
|
2385 if (hc->free) {
|
|
|
2386 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2387 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2388 hc->free[i] = NULL;
|
|
|
2389 }
|
|
|
2390
|
|
|
2391 hc->nfree = 0;
|
|
|
2392 }
|
|
|
2393
|
|
10
|
2394 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2395 hc->busy, hc->nbusy);
|
|
|
2396
|
|
|
2397 if (hc->busy) {
|
|
|
2398 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2399 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2400 hc->busy[i] = NULL;
|
|
|
2401 }
|
|
|
2402
|
|
|
2403 hc->nbusy = 0;
|
|
|
2404 }
|
|
|
2405
|
|
358
|
2406 #if (NGX_HTTP_SSL)
|
|
|
2407 if (c->ssl) {
|
|
|
2408 ngx_ssl_free_buffer(c);
|
|
|
2409 }
|
|
|
2410 #endif
|
|
|
2411
|
|
58
|
2412 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2413
|
|
132
|
2414 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
439
|
2415 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2416 ngx_http_close_connection(c);
|
|
|
2417 return;
|
|
0
|
2418 }
|
|
|
2419 }
|
|
|
2420
|
|
32
|
2421 c->log->action = "keepalive";
|
|
0
|
2422
|
|
|
2423 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2424 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2425 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2426 ngx_http_close_connection(c);
|
|
|
2427 return;
|
|
|
2428 }
|
|
2
|
2429
|
|
0
|
2430 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2431 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2432
|
|
|
2433 } else {
|
|
22
|
2434 tcp_nodelay = 1;
|
|
|
2435 }
|
|
|
2436
|
|
32
|
2437 if (tcp_nodelay
|
|
|
2438 && clcf->tcp_nodelay
|
|
|
2439 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2440 {
|
|
22
|
2441 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2442
|
|
|
2443 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2444 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2445 == -1)
|
|
22
|
2446 {
|
|
469
|
2447 #if (NGX_SOLARIS)
|
|
|
2448 /* Solaris returns EINVAL if a socket has been shut down */
|
|
|
2449 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
|
2450 #endif
|
|
|
2451
|
|
22
|
2452 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2453 "setsockopt(TCP_NODELAY) failed");
|
|
469
|
2454
|
|
|
2455 c->log_error = NGX_ERROR_INFO;
|
|
22
|
2456 ngx_http_close_connection(c);
|
|
|
2457 return;
|
|
2
|
2458 }
|
|
22
|
2459
|
|
32
|
2460 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2461 }
|
|
|
2462
|
|
|
2463 #if 0
|
|
4
|
2464 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2465 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2466 #endif
|
|
|
2467
|
|
290
|
2468 c->idle = 1;
|
|
|
2469
|
|
0
|
2470 if (rev->ready) {
|
|
376
|
2471 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2472 }
|
|
|
2473 }
|
|
|
2474
|
|
|
2475
|
|
50
|
2476 static void
|
|
|
2477 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2478 {
|
|
50
|
2479 size_t size;
|
|
|
2480 ssize_t n;
|
|
|
2481 ngx_buf_t *b;
|
|
|
2482 ngx_connection_t *c;
|
|
0
|
2483
|
|
|
2484 c = rev->data;
|
|
|
2485
|
|
|
2486 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2487
|
|
290
|
2488 if (rev->timedout || c->close) {
|
|
0
|
2489 ngx_http_close_connection(c);
|
|
|
2490 return;
|
|
|
2491 }
|
|
|
2492
|
|
18
|
2493 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2494
|
|
4
|
2495 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2496 if (rev->pending_eof) {
|
|
32
|
2497 c->log->handler = NULL;
|
|
0
|
2498 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2499 "kevent() reported that client %V closed "
|
|
32
|
2500 "keepalive connection", &c->addr_text);
|
|
22
|
2501 #if (NGX_HTTP_SSL)
|
|
|
2502 if (c->ssl) {
|
|
96
|
2503 c->ssl->no_send_shutdown = 1;
|
|
22
|
2504 }
|
|
|
2505 #endif
|
|
0
|
2506 ngx_http_close_connection(c);
|
|
|
2507 return;
|
|
|
2508 }
|
|
|
2509 }
|
|
|
2510
|
|
|
2511 #endif
|
|
|
2512
|
|
|
2513 b = c->buffer;
|
|
|
2514 size = b->end - b->start;
|
|
|
2515
|
|
|
2516 if (b->pos == NULL) {
|
|
4
|
2517
|
|
|
2518 /*
|
|
|
2519 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2520 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2521 * to keep the buffer size.
|
|
|
2522 */
|
|
|
2523
|
|
50
|
2524 b->pos = ngx_palloc(c->pool, size);
|
|
|
2525 if (b->pos == NULL) {
|
|
0
|
2526 ngx_http_close_connection(c);
|
|
|
2527 return;
|
|
|
2528 }
|
|
|
2529
|
|
|
2530 b->start = b->pos;
|
|
|
2531 b->last = b->pos;
|
|
|
2532 b->end = b->pos + size;
|
|
|
2533 }
|
|
|
2534
|
|
|
2535 /*
|
|
|
2536 * MSIE closes a keepalive connection with RST flag
|
|
|
2537 * so we ignore ECONNRESET here.
|
|
|
2538 */
|
|
|
2539
|
|
|
2540 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2541 ngx_set_socket_errno(0);
|
|
|
2542
|
|
|
2543 n = c->recv(c, b->last, size);
|
|
|
2544 c->log_error = NGX_ERROR_INFO;
|
|
|
2545
|
|
|
2546 if (n == NGX_AGAIN) {
|
|
439
|
2547 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
24
|
2548 ngx_http_close_connection(c);
|
|
|
2549 }
|
|
|
2550
|
|
0
|
2551 return;
|
|
|
2552 }
|
|
|
2553
|
|
|
2554 if (n == NGX_ERROR) {
|
|
|
2555 ngx_http_close_connection(c);
|
|
|
2556 return;
|
|
|
2557 }
|
|
|
2558
|
|
32
|
2559 c->log->handler = NULL;
|
|
0
|
2560
|
|
|
2561 if (n == 0) {
|
|
|
2562 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2563 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2564 ngx_http_close_connection(c);
|
|
|
2565 return;
|
|
|
2566 }
|
|
|
2567
|
|
|
2568 b->last += n;
|
|
32
|
2569
|
|
116
|
2570 #if (NGX_STAT_STUB)
|
|
511
|
2571 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2572 #endif
|
|
|
2573
|
|
32
|
2574 c->log->handler = ngx_http_log_error;
|
|
|
2575 c->log->action = "reading client request line";
|
|
0
|
2576
|
|
290
|
2577 c->idle = 0;
|
|
|
2578
|
|
0
|
2579 ngx_http_init_request(rev);
|
|
|
2580 }
|
|
|
2581
|
|
|
2582
|
|
50
|
2583 static void
|
|
|
2584 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2585 {
|
|
0
|
2586 ngx_event_t *rev, *wev;
|
|
|
2587 ngx_connection_t *c;
|
|
|
2588 ngx_http_core_loc_conf_t *clcf;
|
|
|
2589
|
|
|
2590 c = r->connection;
|
|
|
2591
|
|
|
2592 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2593
|
|
|
2594 rev = c->read;
|
|
58
|
2595 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2596
|
|
106
|
2597 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2598 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2599
|
|
439
|
2600 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2601 ngx_http_close_request(r, 0);
|
|
|
2602 return;
|
|
|
2603 }
|
|
|
2604
|
|
|
2605 wev = c->write;
|
|
58
|
2606 wev->handler = ngx_http_empty_handler;
|
|
0
|
2607
|
|
132
|
2608 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
439
|
2609 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2610 ngx_http_close_request(r, 0);
|
|
|
2611 return;
|
|
0
|
2612 }
|
|
|
2613 }
|
|
|
2614
|
|
|
2615 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2616 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2617 ngx_shutdown_socket_n " failed");
|
|
|
2618 ngx_http_close_request(r, 0);
|
|
|
2619 return;
|
|
|
2620 }
|
|
|
2621
|
|
|
2622 if (rev->ready) {
|
|
|
2623 ngx_http_lingering_close_handler(rev);
|
|
|
2624 }
|
|
|
2625 }
|
|
|
2626
|
|
|
2627
|
|
50
|
2628 static void
|
|
|
2629 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2630 {
|
|
|
2631 ssize_t n;
|
|
|
2632 ngx_msec_t timer;
|
|
|
2633 ngx_connection_t *c;
|
|
|
2634 ngx_http_request_t *r;
|
|
|
2635 ngx_http_core_loc_conf_t *clcf;
|
|
|
2636 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2637
|
|
|
2638 c = rev->data;
|
|
|
2639 r = c->data;
|
|
|
2640
|
|
|
2641 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2642 "http lingering close handler");
|
|
|
2643
|
|
|
2644 if (rev->timedout) {
|
|
126
|
2645 c->timedout = 1;
|
|
0
|
2646 ngx_http_close_request(r, 0);
|
|
|
2647 return;
|
|
|
2648 }
|
|
|
2649
|
|
346
|
2650 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2651 if (timer <= 0) {
|
|
|
2652 ngx_http_close_request(r, 0);
|
|
|
2653 return;
|
|
|
2654 }
|
|
|
2655
|
|
|
2656 do {
|
|
|
2657 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2658
|
|
|
2659 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2660
|
|
|
2661 if (n == NGX_ERROR || n == 0) {
|
|
|
2662 ngx_http_close_request(r, 0);
|
|
|
2663 return;
|
|
|
2664 }
|
|
|
2665
|
|
|
2666 } while (rev->ready);
|
|
|
2667
|
|
439
|
2668 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
26
|
2669 ngx_http_close_request(r, 0);
|
|
24
|
2670 return;
|
|
|
2671 }
|
|
|
2672
|
|
0
|
2673 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2674
|
|
|
2675 timer *= 1000;
|
|
|
2676
|
|
|
2677 if (timer > clcf->lingering_timeout) {
|
|
|
2678 timer = clcf->lingering_timeout;
|
|
|
2679 }
|
|
|
2680
|
|
|
2681 ngx_add_timer(rev, timer);
|
|
|
2682 }
|
|
|
2683
|
|
|
2684
|
|
50
|
2685 void
|
|
|
2686 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2687 {
|
|
|
2688 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2689
|
|
|
2690 return;
|
|
|
2691 }
|
|
|
2692
|
|
|
2693
|
|
58
|
2694 void
|
|
|
2695 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2696 {
|
|
|
2697 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2698 "http request empty handler");
|
|
58
|
2699
|
|
|
2700 return;
|
|
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
50
|
2704 ngx_int_t
|
|
130
|
2705 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2706 {
|
|
|
2707 ngx_buf_t *b;
|
|
|
2708 ngx_chain_t out;
|
|
|
2709
|
|
50
|
2710 b = ngx_calloc_buf(r->pool);
|
|
|
2711 if (b == NULL) {
|
|
0
|
2712 return NGX_ERROR;
|
|
|
2713 }
|
|
|
2714
|
|
130
|
2715 if (flags & NGX_HTTP_LAST) {
|
|
515
|
2716
|
|
|
2717 if (r == r->main && !r->post_action) {
|
|
|
2718 b->last_buf = 1;
|
|
|
2719
|
|
|
2720 } else {
|
|
520
|
2721 b->sync = 1;
|
|
515
|
2722 b->last_in_chain = 1;
|
|
|
2723 }
|
|
130
|
2724 }
|
|
|
2725
|
|
|
2726 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2727 b->flush = 1;
|
|
|
2728 }
|
|
|
2729
|
|
0
|
2730 out.buf = b;
|
|
|
2731 out.next = NULL;
|
|
|
2732
|
|
|
2733 return ngx_http_output_filter(r, &out);
|
|
|
2734 }
|
|
|
2735
|
|
|
2736
|
|
162
|
2737 static ngx_int_t
|
|
|
2738 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2739 {
|
|
|
2740 ngx_http_core_loc_conf_t *clcf;
|
|
|
2741
|
|
|
2742 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2743
|
|
|
2744 if (clcf->post_action.data == NULL) {
|
|
|
2745 return NGX_DECLINED;
|
|
|
2746 }
|
|
|
2747
|
|
172
|
2748 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2749 "post action: \"%V\"", &clcf->post_action);
|
|
|
2750
|
|
162
|
2751 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2752 r->header_only = 1;
|
|
178
|
2753 r->post_action = 1;
|
|
162
|
2754
|
|
326
|
2755 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2756
|
|
366
|
2757 if (clcf->post_action.data[0] == '/') {
|
|
|
2758 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2759
|
|
|
2760 } else {
|
|
|
2761 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2762 }
|
|
162
|
2763
|
|
|
2764 return NGX_OK;
|
|
|
2765 }
|
|
|
2766
|
|
|
2767
|
|
|
2768 static void
|
|
58
|
2769 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2770 {
|
|
188
|
2771 ngx_connection_t *c;
|
|
118
|
2772
|
|
|
2773 c = r->connection;
|
|
188
|
2774
|
|
|
2775 ngx_http_request_done(r->main, error);
|
|
118
|
2776 ngx_http_close_connection(c);
|
|
|
2777 }
|
|
|
2778
|
|
|
2779
|
|
162
|
2780 static void
|
|
118
|
2781 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2782 {
|
|
420
|
2783 ngx_log_t *log;
|
|
|
2784 struct linger linger;
|
|
|
2785 ngx_http_cleanup_t *cln;
|
|
|
2786 ngx_http_log_ctx_t *ctx;
|
|
|
2787 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2788
|
|
|
2789 log = r->connection->log;
|
|
|
2790
|
|
|
2791 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2792
|
|
|
2793 if (r->pool == NULL) {
|
|
80
|
2794 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2795 return;
|
|
|
2796 }
|
|
|
2797
|
|
188
|
2798 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2799 if (cln->handler) {
|
|
|
2800 cln->handler(cln->data);
|
|
|
2801 }
|
|
|
2802 }
|
|
|
2803
|
|
0
|
2804 #if (NGX_STAT_STUB)
|
|
116
|
2805
|
|
0
|
2806 if (r->stat_reading) {
|
|
511
|
2807 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2808 }
|
|
|
2809
|
|
|
2810 if (r->stat_writing) {
|
|
511
|
2811 (void) ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2812 }
|
|
116
|
2813
|
|
0
|
2814 #endif
|
|
|
2815
|
|
|
2816 if (error && r->headers_out.status == 0) {
|
|
|
2817 r->headers_out.status = error;
|
|
|
2818 }
|
|
|
2819
|
|
386
|
2820 log->action = "logging request";
|
|
|
2821
|
|
420
|
2822 ngx_http_log_request(r);
|
|
0
|
2823
|
|
386
|
2824 log->action = "closing request";
|
|
|
2825
|
|
0
|
2826 if (r->connection->timedout) {
|
|
|
2827 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2828
|
|
|
2829 if (clcf->reset_timedout_connection) {
|
|
58
|
2830 linger.l_onoff = 1;
|
|
|
2831 linger.l_linger = 0;
|
|
0
|
2832
|
|
|
2833 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2834 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2835 {
|
|
|
2836 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2837 "setsockopt(SO_LINGER) failed");
|
|
|
2838 }
|
|
|
2839 }
|
|
|
2840 }
|
|
|
2841
|
|
58
|
2842 /* the various request strings were allocated from r->pool */
|
|
0
|
2843 ctx = log->data;
|
|
10
|
2844 ctx->request = NULL;
|
|
0
|
2845
|
|
|
2846 r->request_line.len = 0;
|
|
|
2847
|
|
132
|
2848 r->connection->destroyed = 1;
|
|
|
2849
|
|
0
|
2850 ngx_destroy_pool(r->pool);
|
|
|
2851 }
|
|
|
2852
|
|
|
2853
|
|
80
|
2854 static void
|
|
420
|
2855 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2856 {
|
|
|
2857 ngx_uint_t i, n;
|
|
|
2858 ngx_http_handler_pt *log_handler;
|
|
|
2859 ngx_http_core_main_conf_t *cmcf;
|
|
|
2860
|
|
|
2861 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2862
|
|
|
2863 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2864 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2865
|
|
|
2866 for (i = 0; i < n; i++) {
|
|
|
2867 log_handler[i](r);
|
|
|
2868 }
|
|
|
2869 }
|
|
|
2870
|
|
|
2871
|
|
|
2872 static void
|
|
50
|
2873 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2874 {
|
|
28
|
2875 ngx_pool_t *pool;
|
|
|
2876
|
|
0
|
2877 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2878 "close http connection: %d", c->fd);
|
|
|
2879
|
|
88
|
2880 #if (NGX_HTTP_SSL)
|
|
2
|
2881
|
|
|
2882 if (c->ssl) {
|
|
|
2883 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2884 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2885 return;
|
|
|
2886 }
|
|
|
2887 }
|
|
|
2888
|
|
|
2889 #endif
|
|
|
2890
|
|
0
|
2891 #if (NGX_STAT_STUB)
|
|
511
|
2892 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2893 #endif
|
|
|
2894
|
|
132
|
2895 c->destroyed = 1;
|
|
|
2896
|
|
28
|
2897 pool = c->pool;
|
|
|
2898
|
|
0
|
2899 ngx_close_connection(c);
|
|
28
|
2900
|
|
50
|
2901 ngx_destroy_pool(pool);
|
|
0
|
2902 }
|
|
|
2903
|
|
|
2904
|
|
50
|
2905 static u_char *
|
|
|
2906 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2907 {
|
|
32
|
2908 u_char *p;
|
|
54
|
2909 ngx_http_request_t *r;
|
|
32
|
2910 ngx_http_log_ctx_t *ctx;
|
|
10
|
2911
|
|
32
|
2912 if (log->action) {
|
|
58
|
2913 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2914 len -= p - buf;
|
|
54
|
2915 buf = p;
|
|
10
|
2916 }
|
|
|
2917
|
|
58
|
2918 ctx = log->data;
|
|
|
2919
|
|
362
|
2920 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2921 len -= p - buf;
|
|
54
|
2922
|
|
|
2923 r = ctx->request;
|
|
|
2924
|
|
58
|
2925 if (r) {
|
|
214
|
2926 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2927
|
|
|
2928 } else {
|
|
|
2929 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2930 &ctx->connection->listening->addr_text);
|
|
0
|
2931 }
|
|
10
|
2932
|
|
58
|
2933 return p;
|
|
|
2934 }
|
|
|
2935
|
|
|
2936
|
|
|
2937 static u_char *
|
|
214
|
2938 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2939 u_char *buf, size_t len)
|
|
58
|
2940 {
|
|
362
|
2941 char *uri_separator;
|
|
|
2942 u_char *p;
|
|
|
2943 ngx_http_upstream_t *u;
|
|
|
2944 ngx_http_core_srv_conf_t *cscf;
|
|
|
2945
|
|
|
2946 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2947
|
|
|
2948 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2949 len -= p - buf;
|
|
|
2950 buf = p;
|
|
52
|
2951
|
|
348
|
2952 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2953 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2954 if (*p == CR || *p == LF) {
|
|
|
2955 break;
|
|
|
2956 }
|
|
|
2957 }
|
|
|
2958
|
|
|
2959 r->request_line.len = p - r->request_start;
|
|
|
2960 r->request_line.data = r->request_start;
|
|
|
2961 }
|
|
|
2962
|
|
|
2963 if (r->request_line.len) {
|
|
|
2964 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2965 len -= p - buf;
|
|
|
2966 buf = p;
|
|
10
|
2967 }
|
|
|
2968
|
|
214
|
2969 if (r != sr) {
|
|
|
2970 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2971 len -= p - buf;
|
|
|
2972 buf = p;
|
|
|
2973 }
|
|
|
2974
|
|
|
2975 u = sr->upstream;
|
|
|
2976
|
|
260
|
2977 if (u && u->peer.name) {
|
|
|
2978
|
|
|
2979 uri_separator = "";
|
|
|
2980
|
|
|
2981 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2982 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2983 uri_separator = ":";
|
|
|
2984 }
|
|
|
2985 #endif
|
|
214
|
2986
|
|
|
2987 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2988 &u->schema, u->peer.name,
|
|
260
|
2989 uri_separator, &u->uri);
|
|
214
|
2990 len -= p - buf;
|
|
|
2991 buf = p;
|
|
|
2992 }
|
|
|
2993
|
|
54
|
2994 if (r->headers_in.host) {
|
|
|
2995 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2996 &r->headers_in.host->value);
|
|
|
2997 len -= p - buf;
|
|
|
2998 buf = p;
|
|
|
2999 }
|
|
|
3000
|
|
|
3001 if (r->headers_in.referer) {
|
|
|
3002 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
3003 &r->headers_in.referer->value);
|
|
|
3004 buf = p;
|
|
|
3005 }
|
|
|
3006
|
|
|
3007 return buf;
|
|
|
3008 }
|
