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