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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;
|
|
|
700
|
|
0
|
701
|
|
|
702 if (r->args_start) {
|
|
|
703 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
704 } else {
|
|
|
705 r->uri.len = r->uri_end - r->uri_start;
|
|
|
706 }
|
|
|
707
|
|
18
|
708
|
|
2
|
709 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
710
|
|
382
|
711 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
|
50
|
712 if (r->uri.data == NULL) {
|
|
10
|
713 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
714 return;
|
|
|
715 }
|
|
|
716
|
|
342
|
717 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
718
|
|
|
719 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
720
|
|
54
|
721 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
722 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
723 "client sent invalid request");
|
|
|
724 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
725 return;
|
|
|
726 }
|
|
|
727
|
|
|
728 } else {
|
|
10
|
729 r->uri.data = r->uri_start;
|
|
0
|
730 }
|
|
|
731
|
|
18
|
732
|
|
10
|
733 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
734 r->unparsed_uri.data = r->uri_start;
|
|
|
735
|
|
0
|
736
|
|
58
|
737 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
738 r->method_name.data = r->request_line.data;
|
|
0
|
739
|
|
10
|
740
|
|
28
|
741 if (r->http_protocol.data) {
|
|
|
742 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
743 }
|
|
|
744
|
|
|
745
|
|
0
|
746 if (r->uri_ext) {
|
|
|
747 if (r->args_start) {
|
|
|
748 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
749 } else {
|
|
|
750 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
751 }
|
|
|
752
|
|
10
|
753 r->exten.data = r->uri_ext;
|
|
0
|
754 }
|
|
|
755
|
|
10
|
756
|
|
0
|
757 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
758 r->args.len = r->uri_end - r->args_start;
|
|
10
|
759 r->args.data = r->args_start;
|
|
0
|
760 }
|
|
|
761
|
|
10
|
762
|
|
|
763 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
764 "http request line: \"%V\"", &r->request_line);
|
|
|
765
|
|
0
|
766 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
767 "http uri: \"%V\"", &r->uri);
|
|
0
|
768
|
|
|
769 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
770 "http args: \"%V\"", &r->args);
|
|
0
|
771
|
|
|
772 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
773 "http exten: \"%V\"", &r->exten);
|
|
|
774
|
|
376
|
775 if (r->host_start && r->host_end) {
|
|
|
776 n = ngx_http_validate_host(r->host_start,
|
|
|
777 r->host_end - r->host_start);
|
|
|
778
|
|
|
779 if (n <= 0) {
|
|
|
780 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
781 "client sent invalid host in request line");
|
|
|
782 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
783 return;
|
|
|
784 }
|
|
|
785
|
|
|
786 r->headers_in.server.len = n;
|
|
|
787 r->headers_in.server.data = r->host_start;
|
|
|
788 }
|
|
|
789
|
|
0
|
790 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
791
|
|
|
792 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
793 r->headers_in.server.len)
|
|
|
794 == NGX_ERROR)
|
|
|
795 {
|
|
|
796 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
797 return;
|
|
|
798 }
|
|
|
799
|
|
308
|
800 ngx_http_process_request(r);
|
|
0
|
801 return;
|
|
|
802 }
|
|
|
803
|
|
|
804
|
|
|
805 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
806 sizeof(ngx_table_elt_t))
|
|
454
|
807 != NGX_OK)
|
|
0
|
808 {
|
|
|
809 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
810 return;
|
|
|
811 }
|
|
|
812
|
|
|
813
|
|
48
|
814 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
815 sizeof(ngx_table_elt_t *))
|
|
454
|
816 != NGX_OK)
|
|
0
|
817 {
|
|
|
818 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
819 return;
|
|
|
820 }
|
|
|
821
|
|
32
|
822 c->log->action = "reading client request headers";
|
|
0
|
823
|
|
58
|
824 rev->handler = ngx_http_process_request_headers;
|
|
0
|
825 ngx_http_process_request_headers(rev);
|
|
|
826
|
|
|
827 return;
|
|
54
|
828 }
|
|
|
829
|
|
|
830 if (rc != NGX_AGAIN) {
|
|
0
|
831
|
|
|
832 /* there was error while a request line parsing */
|
|
|
833
|
|
54
|
834 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
835 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
836 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
837 return;
|
|
|
838 }
|
|
|
839
|
|
|
840 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
841
|
|
|
842 if (r->header_in->pos == r->header_in->end) {
|
|
|
843
|
|
|
844 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
845
|
|
|
846 if (rv == NGX_ERROR) {
|
|
|
847 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
848 return;
|
|
|
849 }
|
|
|
850
|
|
|
851 if (rv == NGX_DECLINED) {
|
|
54
|
852 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
853 r->request_line.data = r->request_start;
|
|
|
854
|
|
|
855 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
856 "client sent too long URI");
|
|
|
857 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
858 return;
|
|
|
859 }
|
|
|
860 }
|
|
|
861 }
|
|
|
862 }
|
|
|
863
|
|
|
864
|
|
50
|
865 static void
|
|
|
866 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
867 {
|
|
56
|
868 ssize_t n;
|
|
|
869 ngx_int_t rc, rv;
|
|
|
870 ngx_str_t header;
|
|
58
|
871 ngx_table_elt_t *h;
|
|
56
|
872 ngx_connection_t *c;
|
|
|
873 ngx_http_header_t *hh;
|
|
|
874 ngx_http_request_t *r;
|
|
60
|
875 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
876 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
877
|
|
|
878 c = rev->data;
|
|
|
879 r = c->data;
|
|
|
880
|
|
|
881 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
882 "http process request header line");
|
|
|
883
|
|
|
884 if (rev->timedout) {
|
|
54
|
885 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
886 c->timedout = 1;
|
|
|
887 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
888 return;
|
|
|
889 }
|
|
|
890
|
|
56
|
891 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
892 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
893
|
|
0
|
894 rc = NGX_AGAIN;
|
|
|
895
|
|
|
896 for ( ;; ) {
|
|
|
897
|
|
|
898 if (rc == NGX_AGAIN) {
|
|
|
899
|
|
|
900 if (r->header_in->pos == r->header_in->end) {
|
|
|
901
|
|
|
902 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
903
|
|
|
904 if (rv == NGX_ERROR) {
|
|
|
905 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
906 return;
|
|
|
907 }
|
|
|
908
|
|
|
909 if (rv == NGX_DECLINED) {
|
|
54
|
910 header.len = r->header_in->end - r->header_name_start;
|
|
|
911 header.data = r->header_name_start;
|
|
80
|
912
|
|
|
913 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
914 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
915 header.data[header.len++] = '.';
|
|
|
916 header.data[header.len++] = '.';
|
|
|
917 header.data[header.len++] = '.';
|
|
|
918 }
|
|
|
919
|
|
54
|
920 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
921 "client sent too long header line: \"%V\"",
|
|
|
922 &header);
|
|
330
|
923 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
924 return;
|
|
|
925 }
|
|
|
926 }
|
|
|
927
|
|
|
928 n = ngx_http_read_request_header(r);
|
|
|
929
|
|
|
930 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
931 return;
|
|
|
932 }
|
|
|
933 }
|
|
|
934
|
|
412
|
935 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
|
936 cscf->underscores_in_headers);
|
|
0
|
937
|
|
|
938 if (rc == NGX_OK) {
|
|
|
939
|
|
60
|
940 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
941
|
|
|
942 /* there was error while a header line parsing */
|
|
|
943
|
|
|
944 header.len = r->header_end - r->header_name_start;
|
|
|
945 header.data = r->header_name_start;
|
|
|
946
|
|
54
|
947 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
948 "client sent invalid header line: \"%V\"",
|
|
52
|
949 &header);
|
|
|
950 continue;
|
|
|
951 }
|
|
|
952
|
|
0
|
953 /* a header line has been parsed successfully */
|
|
|
954
|
|
50
|
955 h = ngx_list_push(&r->headers_in.headers);
|
|
|
956 if (h == NULL) {
|
|
0
|
957 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
958 return;
|
|
|
959 }
|
|
|
960
|
|
56
|
961 h->hash = r->header_hash;
|
|
|
962
|
|
0
|
963 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
964 h->key.data = r->header_name_start;
|
|
|
965 h->key.data[h->key.len] = '\0';
|
|
|
966
|
|
|
967 h->value.len = r->header_end - r->header_start;
|
|
|
968 h->value.data = r->header_start;
|
|
|
969 h->value.data[h->value.len] = '\0';
|
|
|
970
|
|
382
|
971 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
|
198
|
972 if (h->lowcase_key == NULL) {
|
|
|
973 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
974 return;
|
|
|
975 }
|
|
|
976
|
|
|
977 if (h->key.len == r->lowcase_index) {
|
|
|
978 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
979
|
|
|
980 } else {
|
|
392
|
981 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
0
|
982 }
|
|
|
983
|
|
198
|
984 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
985 h->lowcase_key, h->key.len);
|
|
|
986
|
|
|
987 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
988 return;
|
|
|
989 }
|
|
|
990
|
|
0
|
991 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
992 "http header: \"%V: %V\"",
|
|
|
993 &h->key, &h->value);
|
|
0
|
994
|
|
|
995 continue;
|
|
54
|
996 }
|
|
|
997
|
|
|
998 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
999
|
|
|
1000 /* a whole header has been parsed successfully */
|
|
|
1001
|
|
|
1002 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1003 "http header done");
|
|
|
1004
|
|
24
|
1005 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
1006
|
|
0
|
1007 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
1008
|
|
|
1009 rc = ngx_http_process_request_header(r);
|
|
|
1010
|
|
|
1011 if (rc != NGX_OK) {
|
|
|
1012 return;
|
|
|
1013 }
|
|
|
1014
|
|
308
|
1015 ngx_http_process_request(r);
|
|
86
|
1016
|
|
0
|
1017 return;
|
|
54
|
1018 }
|
|
|
1019
|
|
|
1020 if (rc == NGX_AGAIN) {
|
|
|
1021
|
|
|
1022 /* a header line parsing is still not complete */
|
|
|
1023
|
|
|
1024 continue;
|
|
0
|
1025 }
|
|
|
1026
|
|
54
|
1027 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
1028
|
|
|
1029 header.len = r->header_end - r->header_name_start;
|
|
|
1030 header.data = r->header_name_start;
|
|
|
1031 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1032 "client sent invalid header line: \"%V\\r...\"",
|
|
|
1033 &header);
|
|
330
|
1034 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
1035 return;
|
|
0
|
1036 }
|
|
|
1037 }
|
|
|
1038
|
|
|
1039
|
|
50
|
1040 static ssize_t
|
|
|
1041 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1042 {
|
|
|
1043 ssize_t n;
|
|
|
1044 ngx_event_t *rev;
|
|
230
|
1045 ngx_connection_t *c;
|
|
0
|
1046 ngx_http_core_srv_conf_t *cscf;
|
|
|
1047
|
|
230
|
1048 c = r->connection;
|
|
|
1049 rev = c->read;
|
|
0
|
1050
|
|
|
1051 n = r->header_in->last - r->header_in->pos;
|
|
|
1052
|
|
|
1053 if (n > 0) {
|
|
|
1054 return n;
|
|
|
1055 }
|
|
|
1056
|
|
72
|
1057 if (rev->ready) {
|
|
230
|
1058 n = c->recv(c, r->header_in->last,
|
|
|
1059 r->header_in->end - r->header_in->last);
|
|
72
|
1060 } else {
|
|
|
1061 n = NGX_AGAIN;
|
|
0
|
1062 }
|
|
|
1063
|
|
|
1064 if (n == NGX_AGAIN) {
|
|
364
|
1065 if (!rev->timer_set) {
|
|
0
|
1066 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1067 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1068 }
|
|
|
1069
|
|
430
|
1070 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
1071 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1072 return NGX_ERROR;
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 return NGX_AGAIN;
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 if (n == 0) {
|
|
230
|
1079 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1080 "client closed prematurely connection");
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1084 c->error = 1;
|
|
|
1085 c->log->action = "reading client request headers";
|
|
|
1086
|
|
|
1087 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1088 return NGX_ERROR;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 r->header_in->last += n;
|
|
|
1092
|
|
|
1093 return n;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096
|
|
50
|
1097 static ngx_int_t
|
|
|
1098 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1099 ngx_uint_t request_line)
|
|
0
|
1100 {
|
|
|
1101 u_char *old, *new;
|
|
|
1102 ngx_buf_t *b;
|
|
|
1103 ngx_http_connection_t *hc;
|
|
|
1104 ngx_http_core_srv_conf_t *cscf;
|
|
|
1105
|
|
|
1106 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1107 "http alloc large header buffer");
|
|
|
1108
|
|
|
1109 if (request_line && r->state == 0) {
|
|
|
1110
|
|
|
1111 /* the client fills up the buffer with "\r\n" */
|
|
|
1112
|
|
24
|
1113 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1114
|
|
0
|
1115 r->header_in->pos = r->header_in->start;
|
|
|
1116 r->header_in->last = r->header_in->start;
|
|
|
1117
|
|
|
1118 return NGX_OK;
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1122
|
|
|
1123 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1124
|
|
|
1125 if (r->state != 0
|
|
|
1126 && (size_t) (r->header_in->pos - old)
|
|
|
1127 >= cscf->large_client_header_buffers.size)
|
|
|
1128 {
|
|
|
1129 return NGX_DECLINED;
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 hc = r->http_connection;
|
|
|
1133
|
|
|
1134 if (hc->nfree) {
|
|
|
1135 b = hc->free[--hc->nfree];
|
|
|
1136
|
|
|
1137 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1138 "http large header free: %p %uz",
|
|
0
|
1139 b->pos, b->end - b->last);
|
|
|
1140
|
|
|
1141 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1142
|
|
|
1143 if (hc->busy == NULL) {
|
|
|
1144 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1145 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1146 if (hc->busy == NULL) {
|
|
|
1147 return NGX_ERROR;
|
|
|
1148 }
|
|
|
1149 }
|
|
|
1150
|
|
|
1151 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1152 cscf->large_client_header_buffers.size);
|
|
|
1153 if (b == NULL) {
|
|
|
1154 return NGX_ERROR;
|
|
|
1155 }
|
|
|
1156
|
|
|
1157 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1158 "http large header alloc: %p %uz",
|
|
0
|
1159 b->pos, b->end - b->last);
|
|
|
1160
|
|
|
1161 } else {
|
|
|
1162 return NGX_DECLINED;
|
|
|
1163 }
|
|
|
1164
|
|
|
1165 hc->busy[hc->nbusy++] = b;
|
|
|
1166
|
|
|
1167 if (r->state == 0) {
|
|
|
1168 /*
|
|
|
1169 * r->state == 0 means that a header line was parsed successfully
|
|
|
1170 * and we do not need to copy incomplete header line and
|
|
|
1171 * to relocate the parser header pointers
|
|
|
1172 */
|
|
|
1173
|
|
24
|
1174 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1175
|
|
0
|
1176 r->header_in = b;
|
|
|
1177
|
|
|
1178 return NGX_OK;
|
|
|
1179 }
|
|
|
1180
|
|
|
1181 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1182 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1183
|
|
24
|
1184 r->request_length += old - r->header_in->start;
|
|
|
1185
|
|
0
|
1186 new = b->start;
|
|
|
1187
|
|
|
1188 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1189
|
|
|
1190 b->pos = new + (r->header_in->pos - old);
|
|
|
1191 b->last = new + (r->header_in->pos - old);
|
|
|
1192
|
|
|
1193 if (request_line) {
|
|
|
1194 r->request_start = new;
|
|
|
1195
|
|
|
1196 if (r->request_end) {
|
|
|
1197 r->request_end = new + (r->request_end - old);
|
|
|
1198 }
|
|
|
1199
|
|
|
1200 r->method_end = new + (r->method_end - old);
|
|
|
1201
|
|
|
1202 r->uri_start = new + (r->uri_start - old);
|
|
|
1203 r->uri_end = new + (r->uri_end - old);
|
|
|
1204
|
|
|
1205 if (r->schema_start) {
|
|
|
1206 r->schema_start = new + (r->schema_start - old);
|
|
|
1207 r->schema_end = new + (r->schema_end - old);
|
|
|
1208 }
|
|
|
1209
|
|
|
1210 if (r->host_start) {
|
|
|
1211 r->host_start = new + (r->host_start - old);
|
|
270
|
1212 if (r->host_end) {
|
|
|
1213 r->host_end = new + (r->host_end - old);
|
|
|
1214 }
|
|
0
|
1215 }
|
|
|
1216
|
|
|
1217 if (r->port_start) {
|
|
|
1218 r->port_start = new + (r->port_start - old);
|
|
|
1219 r->port_end = new + (r->port_end - old);
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 if (r->uri_ext) {
|
|
|
1223 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1224 }
|
|
|
1225
|
|
|
1226 if (r->args_start) {
|
|
|
1227 r->args_start = new + (r->args_start - old);
|
|
|
1228 }
|
|
|
1229
|
|
354
|
1230 if (r->http_protocol.data) {
|
|
|
1231 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1232 }
|
|
|
1233
|
|
0
|
1234 } else {
|
|
|
1235 r->header_name_start = new;
|
|
|
1236 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1237 r->header_start = new + (r->header_start - old);
|
|
|
1238 r->header_end = new + (r->header_end - old);
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 r->header_in = b;
|
|
|
1242
|
|
|
1243 return NGX_OK;
|
|
|
1244 }
|
|
|
1245
|
|
|
1246
|
|
50
|
1247 static ngx_int_t
|
|
58
|
1248 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1249 ngx_uint_t offset)
|
|
|
1250 {
|
|
|
1251 ngx_table_elt_t **ph;
|
|
|
1252
|
|
|
1253 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1254
|
|
|
1255 if (*ph == NULL) {
|
|
|
1256 *ph = h;
|
|
|
1257 }
|
|
|
1258
|
|
|
1259 return NGX_OK;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262
|
|
|
1263 static ngx_int_t
|
|
72
|
1264 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1265 ngx_uint_t offset)
|
|
|
1266 {
|
|
|
1267 ngx_table_elt_t **ph;
|
|
|
1268
|
|
|
1269 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1270
|
|
|
1271 if (*ph == NULL) {
|
|
|
1272 *ph = h;
|
|
|
1273 return NGX_OK;
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1277 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1278 "previous value: \"%V: %V\"",
|
|
|
1279 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1280
|
|
|
1281 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1282
|
|
|
1283 return NGX_ERROR;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286
|
|
|
1287 static ngx_int_t
|
|
376
|
1288 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1289 ngx_uint_t offset)
|
|
|
1290 {
|
|
|
1291 ssize_t len;
|
|
|
1292
|
|
|
1293 if (r->headers_in.host == NULL) {
|
|
|
1294 r->headers_in.host = h;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1298
|
|
|
1299 if (len <= 0) {
|
|
|
1300 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1301 "client sent invalid host header");
|
|
|
1302 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1303 return NGX_ERROR;
|
|
|
1304 }
|
|
|
1305
|
|
|
1306 if (r->headers_in.server.len) {
|
|
|
1307 return NGX_OK;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 r->headers_in.server.len = len;
|
|
|
1311 r->headers_in.server.data = h->value.data;
|
|
|
1312
|
|
|
1313 return NGX_OK;
|
|
|
1314 }
|
|
|
1315
|
|
|
1316
|
|
|
1317 static ngx_int_t
|
|
336
|
1318 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1319 ngx_uint_t offset)
|
|
|
1320 {
|
|
340
|
1321 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1322 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1323
|
|
340
|
1324 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1325 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1326 }
|
|
|
1327
|
|
|
1328 return NGX_OK;
|
|
|
1329 }
|
|
|
1330
|
|
|
1331
|
|
|
1332 static ngx_int_t
|
|
376
|
1333 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1334 ngx_uint_t offset)
|
|
|
1335 {
|
|
400
|
1336 u_char *user_agent, *msie;
|
|
376
|
1337
|
|
|
1338 if (r->headers_in.user_agent) {
|
|
|
1339 return NGX_OK;
|
|
|
1340 }
|
|
|
1341
|
|
|
1342 r->headers_in.user_agent = h;
|
|
|
1343
|
|
|
1344 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1345
|
|
|
1346 user_agent = h->value.data;
|
|
|
1347
|
|
400
|
1348 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
|
1349
|
|
|
1350 if (msie && msie + 7 < user_agent + h->value.len) {
|
|
376
|
1351
|
|
|
1352 r->headers_in.msie = 1;
|
|
|
1353
|
|
400
|
1354 if (msie[6] == '.') {
|
|
|
1355
|
|
|
1356 switch (msie[5]) {
|
|
|
1357 case '4':
|
|
|
1358 r->headers_in.msie4 = 1;
|
|
|
1359 /* fall through */
|
|
|
1360 case '5':
|
|
|
1361 case '6':
|
|
|
1362 r->headers_in.msie6 = 1;
|
|
|
1363 }
|
|
376
|
1364 }
|
|
|
1365
|
|
|
1366 #if 0
|
|
|
1367 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1368 if (c->ssl) {
|
|
|
1369 c->ssl->no_send_shutdown = 1;
|
|
|
1370 }
|
|
|
1371 #endif
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1375 r->headers_in.opera = 1;
|
|
|
1376 r->headers_in.msie = 0;
|
|
|
1377 r->headers_in.msie4 = 0;
|
|
400
|
1378 r->headers_in.msie6 = 0;
|
|
376
|
1379 }
|
|
|
1380
|
|
|
1381 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1382
|
|
|
1383 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1384 r->headers_in.gecko = 1;
|
|
|
1385
|
|
|
1386 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1387 r->headers_in.konqueror = 1;
|
|
|
1388 }
|
|
|
1389 }
|
|
|
1390
|
|
|
1391 return NGX_OK;
|
|
|
1392 }
|
|
|
1393
|
|
|
1394
|
|
|
1395 static ngx_int_t
|
|
58
|
1396 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1397 ngx_uint_t offset)
|
|
|
1398 {
|
|
|
1399 ngx_table_elt_t **cookie;
|
|
|
1400
|
|
|
1401 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1402 if (cookie) {
|
|
|
1403 *cookie = h;
|
|
|
1404 return NGX_OK;
|
|
58
|
1405 }
|
|
|
1406
|
|
72
|
1407 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1408
|
|
|
1409 return NGX_ERROR;
|
|
58
|
1410 }
|
|
|
1411
|
|
|
1412
|
|
|
1413 static ngx_int_t
|
|
50
|
1414 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1415 {
|
|
376
|
1416 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1417 r->headers_in.server.len)
|
|
|
1418 == NGX_ERROR)
|
|
|
1419 {
|
|
|
1420 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1421 return NGX_ERROR;
|
|
|
1422 }
|
|
|
1423
|
|
|
1424 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1425 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1426 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1427 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1428 return NGX_ERROR;
|
|
0
|
1429 }
|
|
|
1430
|
|
|
1431 if (r->headers_in.content_length) {
|
|
|
1432 r->headers_in.content_length_n =
|
|
212
|
1433 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1434 r->headers_in.content_length->value.len);
|
|
|
1435
|
|
|
1436 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1437 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1438 "client sent invalid \"Content-Length\" header");
|
|
130
|
1439 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1440 return NGX_ERROR;
|
|
0
|
1441 }
|
|
|
1442 }
|
|
|
1443
|
|
426
|
1444 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1445 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1446 "client sent %V method without \"Content-Length\" header",
|
|
|
1447 &r->method_name);
|
|
130
|
1448 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1449 return NGX_ERROR;
|
|
|
1450 }
|
|
|
1451
|
|
336
|
1452 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1453 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1454 "client sent TRACE method");
|
|
|
1455 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1456 return NGX_ERROR;
|
|
|
1457 }
|
|
|
1458
|
|
130
|
1459 if (r->headers_in.transfer_encoding
|
|
340
|
1460 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1461 "chunked", 7 - 1))
|
|
130
|
1462 {
|
|
|
1463 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1464 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1465 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1466 return NGX_ERROR;
|
|
0
|
1467 }
|
|
|
1468
|
|
336
|
1469 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1470 if (r->headers_in.keep_alive) {
|
|
|
1471 r->headers_in.keep_alive_n =
|
|
|
1472 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1473 r->headers_in.keep_alive->value.len);
|
|
0
|
1474 }
|
|
|
1475 }
|
|
|
1476
|
|
308
|
1477 return NGX_OK;
|
|
|
1478 }
|
|
|
1479
|
|
|
1480
|
|
|
1481 static void
|
|
|
1482 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1483 {
|
|
356
|
1484 ngx_connection_t *c;
|
|
308
|
1485
|
|
|
1486 c = r->connection;
|
|
|
1487
|
|
354
|
1488 if (r->plain_http) {
|
|
|
1489 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1490 "client sent plain HTTP request to HTTPS port");
|
|
|
1491 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1492 return;
|
|
|
1493 }
|
|
|
1494
|
|
308
|
1495 #if (NGX_HTTP_SSL)
|
|
|
1496
|
|
|
1497 if (c->ssl) {
|
|
356
|
1498 long rc;
|
|
372
|
1499 X509 *cert;
|
|
356
|
1500 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1501
|
|
218
|
1502 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1503
|
|
390
|
1504 if (sscf->verify == 1) {
|
|
308
|
1505 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1506
|
|
|
1507 if (rc != X509_V_OK) {
|
|
308
|
1508 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1509 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1510 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1511
|
|
|
1512 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1513 (SSL_get0_session(c->ssl->connection)));
|
|
|
1514
|
|
218
|
1515 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1516 return;
|
|
218
|
1517 }
|
|
|
1518
|
|
372
|
1519 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1520
|
|
|
1521 if (cert == NULL) {
|
|
308
|
1522 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
218
|
1523 "client sent no required SSL certificate");
|
|
366
|
1524
|
|
|
1525 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1526 (SSL_get0_session(c->ssl->connection)));
|
|
|
1527
|
|
218
|
1528 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
308
|
1529 return;
|
|
218
|
1530 }
|
|
372
|
1531
|
|
|
1532 X509_free(cert);
|
|
218
|
1533 }
|
|
|
1534 }
|
|
|
1535
|
|
|
1536 #endif
|
|
|
1537
|
|
308
|
1538 if (c->read->timer_set) {
|
|
|
1539 ngx_del_timer(c->read);
|
|
|
1540 }
|
|
|
1541
|
|
|
1542 #if (NGX_STAT_STUB)
|
|
|
1543 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
1544 r->stat_reading = 0;
|
|
|
1545 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
|
1546 r->stat_writing = 1;
|
|
|
1547 #endif
|
|
|
1548
|
|
|
1549 c->read->handler = ngx_http_request_handler;
|
|
|
1550 c->write->handler = ngx_http_request_handler;
|
|
326
|
1551 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1552
|
|
|
1553 ngx_http_handler(r);
|
|
|
1554
|
|
426
|
1555 ngx_http_run_posted_requests(c);
|
|
0
|
1556 }
|
|
|
1557
|
|
|
1558
|
|
376
|
1559 static ssize_t
|
|
|
1560 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1561 {
|
|
376
|
1562 u_char ch;
|
|
|
1563 size_t i, last;
|
|
|
1564 ngx_uint_t dot;
|
|
|
1565
|
|
|
1566 last = len;
|
|
|
1567 dot = 0;
|
|
|
1568
|
|
|
1569 for (i = 0; i < len; i++) {
|
|
|
1570 ch = host[i];
|
|
|
1571
|
|
|
1572 if (ch == '.') {
|
|
|
1573 if (dot) {
|
|
|
1574 return -1;
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 dot = 1;
|
|
|
1578 continue;
|
|
|
1579 }
|
|
|
1580
|
|
|
1581 dot = 0;
|
|
|
1582
|
|
|
1583 if (ch == ':') {
|
|
|
1584 last = i;
|
|
|
1585 continue;
|
|
|
1586 }
|
|
|
1587
|
|
|
1588 if (ch == '/' || ch == '\0') {
|
|
|
1589 return -1;
|
|
|
1590 }
|
|
|
1591
|
|
|
1592 #if (NGX_WIN32)
|
|
|
1593 if (ch == '\\') {
|
|
|
1594 return -1;
|
|
|
1595 }
|
|
|
1596 #endif
|
|
|
1597 }
|
|
|
1598
|
|
|
1599 if (dot) {
|
|
|
1600 last--;
|
|
|
1601 }
|
|
|
1602
|
|
|
1603 return last;
|
|
|
1604 }
|
|
|
1605
|
|
|
1606
|
|
|
1607 static ngx_int_t
|
|
|
1608 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1609 {
|
|
392
|
1610 u_char *server;
|
|
|
1611 ngx_uint_t hash;
|
|
454
|
1612 ngx_http_virtual_names_t *vn;
|
|
142
|
1613 ngx_http_core_loc_conf_t *clcf;
|
|
|
1614 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1615 u_char buf[32];
|
|
|
1616
|
|
454
|
1617 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1618 vn = cscf->virtual_names;
|
|
|
1619
|
|
|
1620 if (vn == NULL) {
|
|
376
|
1621 return NGX_DECLINED;
|
|
|
1622 }
|
|
|
1623
|
|
|
1624 if (len <= 32) {
|
|
|
1625 server = buf;
|
|
|
1626
|
|
|
1627 } else {
|
|
382
|
1628 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1629 if (server == NULL) {
|
|
|
1630 return NGX_ERROR;
|
|
|
1631 }
|
|
|
1632 }
|
|
|
1633
|
|
392
|
1634 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1635
|
|
454
|
1636 cscf = ngx_hash_find_combined(&vn->names, hash, server, len);
|
|
312
|
1637
|
|
|
1638 if (cscf) {
|
|
|
1639 goto found;
|
|
26
|
1640 }
|
|
|
1641
|
|
326
|
1642 #if (NGX_PCRE)
|
|
|
1643
|
|
454
|
1644 if (vn->nregex) {
|
|
460
|
1645 size_t ncaptures;
|
|
356
|
1646 ngx_int_t n;
|
|
|
1647 ngx_uint_t i;
|
|
|
1648 ngx_str_t name;
|
|
|
1649 ngx_http_server_name_t *sn;
|
|
326
|
1650
|
|
|
1651 name.len = len;
|
|
376
|
1652 name.data = server;
|
|
326
|
1653
|
|
456
|
1654 ncaptures = 0;
|
|
|
1655
|
|
454
|
1656 sn = vn->regex;
|
|
|
1657
|
|
|
1658 for (i = 0; i < vn->nregex; i++) {
|
|
326
|
1659
|
|
456
|
1660 if (sn[i].captures && r->captures == NULL) {
|
|
|
1661
|
|
458
|
1662 ncaptures = (NGX_HTTP_MAX_CAPTURES + 1) * 3;
|
|
|
1663
|
|
|
1664 r->captures = ngx_palloc(r->pool, ncaptures * sizeof(int));
|
|
456
|
1665 if (r->captures == NULL) {
|
|
|
1666 return NGX_ERROR;
|
|
|
1667 }
|
|
|
1668
|
|
|
1669 if (server == buf) {
|
|
|
1670 server = ngx_pnalloc(r->pool, len);
|
|
|
1671 if (server == NULL) {
|
|
|
1672 return NGX_ERROR;
|
|
|
1673 }
|
|
|
1674
|
|
|
1675 ngx_memcpy(server, buf, len);
|
|
|
1676 name.data = server;
|
|
|
1677 }
|
|
|
1678 }
|
|
|
1679
|
|
|
1680 n = ngx_regex_exec(sn[i].regex, &name, r->captures, ncaptures);
|
|
326
|
1681
|
|
|
1682 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1683 continue;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 if (n < 0) {
|
|
|
1687 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1688 ngx_regex_exec_n
|
|
|
1689 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1690 n, &name, &sn[i].name);
|
|
376
|
1691 return NGX_ERROR;
|
|
326
|
1692 }
|
|
|
1693
|
|
|
1694 /* match */
|
|
|
1695
|
|
|
1696 cscf = sn[i].core_srv_conf;
|
|
|
1697
|
|
456
|
1698 r->ncaptures = ncaptures;
|
|
|
1699 r->captures_data = server;
|
|
|
1700
|
|
326
|
1701 goto found;
|
|
|
1702 }
|
|
|
1703 }
|
|
|
1704
|
|
|
1705 #endif
|
|
|
1706
|
|
376
|
1707 return NGX_OK;
|
|
58
|
1708
|
|
|
1709 found:
|
|
|
1710
|
|
142
|
1711 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1712 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1713
|
|
|
1714 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1715 r->connection->log->file = clcf->err_log->file;
|
|
|
1716
|
|
|
1717 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
1718 r->connection->log->log_level = clcf->err_log->log_level;
|
|
26
|
1719 }
|
|
|
1720
|
|
376
|
1721 return NGX_OK;
|
|
26
|
1722 }
|
|
|
1723
|
|
|
1724
|
|
58
|
1725 static void
|
|
|
1726 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1727 {
|
|
|
1728 ngx_connection_t *c;
|
|
|
1729 ngx_http_request_t *r;
|
|
214
|
1730 ngx_http_log_ctx_t *ctx;
|
|
58
|
1731
|
|
|
1732 c = ev->data;
|
|
|
1733 r = c->data;
|
|
|
1734
|
|
214
|
1735 ctx = c->log->data;
|
|
|
1736 ctx->current_request = r;
|
|
|
1737
|
|
426
|
1738 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1739 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1740
|
|
58
|
1741 if (ev->write) {
|
|
|
1742 r->write_event_handler(r);
|
|
|
1743
|
|
|
1744 } else {
|
|
|
1745 r->read_event_handler(r);
|
|
|
1746 }
|
|
426
|
1747
|
|
|
1748 ngx_http_run_posted_requests(c);
|
|
|
1749 }
|
|
|
1750
|
|
|
1751
|
|
|
1752 void
|
|
|
1753 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1754 {
|
|
|
1755 ngx_http_request_t *r;
|
|
|
1756 ngx_http_log_ctx_t *ctx;
|
|
|
1757 ngx_http_posted_request_t *pr;
|
|
|
1758
|
|
|
1759 for ( ;; ) {
|
|
|
1760
|
|
|
1761 if (c->destroyed) {
|
|
|
1762 return;
|
|
|
1763 }
|
|
|
1764
|
|
|
1765 r = c->data;
|
|
|
1766 pr = r->main->posted_requests;
|
|
|
1767
|
|
|
1768 if (pr == NULL) {
|
|
|
1769 return;
|
|
|
1770 }
|
|
|
1771
|
|
|
1772 r->main->posted_requests = pr->next;
|
|
|
1773
|
|
|
1774 r = pr->request;
|
|
|
1775
|
|
|
1776 ctx = c->log->data;
|
|
|
1777 ctx->current_request = r;
|
|
|
1778
|
|
|
1779 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1780 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1781
|
|
|
1782 r->write_event_handler(r);
|
|
|
1783 }
|
|
|
1784 }
|
|
|
1785
|
|
|
1786
|
|
|
1787 ngx_int_t
|
|
|
1788 ngx_http_post_request(ngx_http_request_t *r)
|
|
|
1789 {
|
|
|
1790 ngx_http_posted_request_t *pr, **p;
|
|
|
1791
|
|
|
1792 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1793 if (pr == NULL) {
|
|
|
1794 return NGX_ERROR;
|
|
|
1795 }
|
|
|
1796
|
|
|
1797 pr->request = r;
|
|
|
1798 pr->next = NULL;
|
|
|
1799
|
|
|
1800 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1801
|
|
|
1802 *p = pr;
|
|
|
1803
|
|
|
1804 return NGX_OK;
|
|
58
|
1805 }
|
|
|
1806
|
|
|
1807
|
|
50
|
1808 void
|
|
58
|
1809 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1810 {
|
|
330
|
1811 ngx_connection_t *c;
|
|
58
|
1812 ngx_http_request_t *pr;
|
|
0
|
1813 ngx_http_core_loc_conf_t *clcf;
|
|
|
1814
|
|
58
|
1815 if (rc == NGX_DONE) {
|
|
118
|
1816 /* the request pool may be already destroyed */
|
|
58
|
1817 return;
|
|
|
1818 }
|
|
|
1819
|
|
330
|
1820 c = r->connection;
|
|
|
1821
|
|
426
|
1822 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1823 "http finalize request: %d, \"%V?%V\" %d",
|
|
|
1824 rc, &r->uri, &r->args, r == c->data);
|
|
132
|
1825
|
|
230
|
1826 if (rc == NGX_DECLINED) {
|
|
|
1827 r->content_handler = NULL;
|
|
|
1828 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1829 ngx_http_core_run_phases(r);
|
|
|
1830 return;
|
|
|
1831 }
|
|
|
1832
|
|
248
|
1833 if (r != r->main && r->post_subrequest) {
|
|
|
1834 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1835 }
|
|
|
1836
|
|
358
|
1837 if (rc == NGX_ERROR
|
|
|
1838 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1839 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1840 || c->error)
|
|
|
1841 {
|
|
282
|
1842 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1843 r->headers_out.status = rc;
|
|
190
|
1844 }
|
|
|
1845
|
|
162
|
1846 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1847 return;
|
|
|
1848 }
|
|
|
1849
|
|
118
|
1850 ngx_http_close_request(r, 0);
|
|
0
|
1851 return;
|
|
|
1852 }
|
|
|
1853
|
|
186
|
1854 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1855 || rc == NGX_HTTP_CREATED
|
|
|
1856 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1857 {
|
|
136
|
1858 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1859 ngx_http_close_request(r, rc);
|
|
|
1860 return;
|
|
|
1861 }
|
|
|
1862
|
|
146
|
1863 if (r == r->main) {
|
|
330
|
1864 if (c->read->timer_set) {
|
|
|
1865 ngx_del_timer(c->read);
|
|
118
|
1866 }
|
|
|
1867
|
|
330
|
1868 if (c->write->timer_set) {
|
|
|
1869 ngx_del_timer(c->write);
|
|
118
|
1870 }
|
|
|
1871 }
|
|
|
1872
|
|
410
|
1873 c->read->handler = ngx_http_request_handler;
|
|
|
1874 c->write->handler = ngx_http_request_handler;
|
|
|
1875
|
|
118
|
1876 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1877 return;
|
|
|
1878 }
|
|
|
1879
|
|
426
|
1880 if (r != r->main) {
|
|
|
1881
|
|
|
1882 if (r->buffered || r->postponed) {
|
|
|
1883
|
|
|
1884 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1885 ngx_http_close_request(r->main, 0);
|
|
|
1886 }
|
|
|
1887
|
|
74
|
1888 return;
|
|
|
1889 }
|
|
426
|
1890
|
|
|
1891 #if (NGX_DEBUG)
|
|
|
1892 if (r != c->data) {
|
|
|
1893 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1894 "http finalize non-active request: \"%V?%V\"",
|
|
|
1895 &r->uri, &r->args);
|
|
|
1896 }
|
|
|
1897 #endif
|
|
58
|
1898
|
|
|
1899 pr = r->parent;
|
|
|
1900
|
|
426
|
1901 if (r == c->data) {
|
|
|
1902
|
|
|
1903 if (!r->logged) {
|
|
|
1904
|
|
|
1905 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1906
|
|
|
1907 if (clcf->log_subrequest) {
|
|
|
1908 ngx_http_log_request(r);
|
|
|
1909 }
|
|
|
1910
|
|
|
1911 r->logged = 1;
|
|
|
1912
|
|
|
1913 } else {
|
|
|
1914 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1915 "subrequest: \"%V?%V\" logged again",
|
|
|
1916 &r->uri, &r->args);
|
|
|
1917 }
|
|
|
1918
|
|
|
1919 r->done = 1;
|
|
|
1920
|
|
|
1921 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1922 pr->postponed = pr->postponed->next;
|
|
|
1923 }
|
|
|
1924
|
|
|
1925 c->data = pr;
|
|
|
1926
|
|
|
1927 } else {
|
|
|
1928
|
|
|
1929 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1930
|
|
|
1931 if (r->waited) {
|
|
|
1932 r->done = 1;
|
|
|
1933 }
|
|
|
1934 }
|
|
|
1935
|
|
|
1936 if (ngx_http_post_request(pr) != NGX_OK) {
|
|
|
1937 ngx_http_close_request(r->main, 0);
|
|
|
1938 return;
|
|
|
1939 }
|
|
|
1940
|
|
330
|
1941 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
426
|
1942 "http wake parent request: \"%V?%V\"",
|
|
|
1943 &pr->uri, &pr->args);
|
|
|
1944
|
|
|
1945 return;
|
|
|
1946 }
|
|
|
1947
|
|
|
1948 if (r->buffered || c->buffered || r->postponed) {
|
|
|
1949
|
|
|
1950 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1951 ngx_http_close_request(r, 0);
|
|
58
|
1952 }
|
|
|
1953
|
|
|
1954 return;
|
|
|
1955 }
|
|
0
|
1956
|
|
426
|
1957 if (r != c->data) {
|
|
|
1958 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1959 "http finalize non-active request: \"%V?%V\"",
|
|
|
1960 &r->uri, &r->args);
|
|
0
|
1961 return;
|
|
76
|
1962 }
|
|
|
1963
|
|
426
|
1964 r->done = 1;
|
|
0
|
1965
|
|
178
|
1966 if (!r->post_action) {
|
|
|
1967 r->request_complete = 1;
|
|
|
1968 }
|
|
|
1969
|
|
162
|
1970 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1971 return;
|
|
|
1972 }
|
|
|
1973
|
|
330
|
1974 if (c->read->timer_set) {
|
|
|
1975 ngx_del_timer(c->read);
|
|
|
1976 }
|
|
|
1977
|
|
|
1978 if (c->write->timer_set) {
|
|
|
1979 c->write->delayed = 0;
|
|
|
1980 ngx_del_timer(c->write);
|
|
0
|
1981 }
|
|
|
1982
|
|
330
|
1983 if (c->destroyed) {
|
|
|
1984 return;
|
|
0
|
1985 }
|
|
|
1986
|
|
330
|
1987 if (c->read->eof) {
|
|
|
1988 ngx_http_close_request(r, 0);
|
|
138
|
1989 return;
|
|
|
1990 }
|
|
|
1991
|
|
426
|
1992 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1993
|
|
0
|
1994 if (!ngx_terminate
|
|
|
1995 && !ngx_exiting
|
|
378
|
1996 && r->keepalive
|
|
0
|
1997 && clcf->keepalive_timeout > 0)
|
|
|
1998 {
|
|
|
1999 ngx_http_set_keepalive(r);
|
|
|
2000 return;
|
|
|
2001
|
|
|
2002 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
2003 ngx_http_set_lingering_close(r);
|
|
|
2004 return;
|
|
|
2005 }
|
|
|
2006
|
|
|
2007 ngx_http_close_request(r, 0);
|
|
|
2008 }
|
|
|
2009
|
|
|
2010
|
|
74
|
2011 static ngx_int_t
|
|
50
|
2012 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
2013 {
|
|
|
2014 ngx_event_t *wev;
|
|
|
2015 ngx_http_core_loc_conf_t *clcf;
|
|
|
2016
|
|
58
|
2017 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
2018
|
|
326
|
2019 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
2020 r->write_event_handler = ngx_http_writer;
|
|
|
2021
|
|
0
|
2022 wev = r->connection->write;
|
|
|
2023
|
|
|
2024 if (wev->ready && wev->delayed) {
|
|
74
|
2025 return NGX_OK;
|
|
0
|
2026 }
|
|
|
2027
|
|
58
|
2028 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
2029 if (!wev->delayed) {
|
|
|
2030 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2031 }
|
|
|
2032
|
|
430
|
2033 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
0
|
2034 ngx_http_close_request(r, 0);
|
|
74
|
2035 return NGX_ERROR;
|
|
0
|
2036 }
|
|
74
|
2037
|
|
|
2038 return NGX_OK;
|
|
0
|
2039 }
|
|
|
2040
|
|
|
2041
|
|
58
|
2042 static void
|
|
|
2043 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
2044 {
|
|
|
2045 int rc;
|
|
58
|
2046 ngx_event_t *wev;
|
|
0
|
2047 ngx_connection_t *c;
|
|
|
2048 ngx_http_core_loc_conf_t *clcf;
|
|
|
2049
|
|
58
|
2050 c = r->connection;
|
|
|
2051 wev = c->write;
|
|
|
2052
|
|
132
|
2053 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2054 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2055
|
|
426
|
2056 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2057
|
|
0
|
2058 if (wev->timedout) {
|
|
|
2059 if (!wev->delayed) {
|
|
54
|
2060 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2061 "client timed out");
|
|
|
2062 c->timedout = 1;
|
|
116
|
2063
|
|
162
|
2064 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2065 return;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 wev->timedout = 0;
|
|
|
2069 wev->delayed = 0;
|
|
|
2070
|
|
|
2071 if (!wev->ready) {
|
|
|
2072 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2073
|
|
430
|
2074 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2075 ngx_http_close_request(r, 0);
|
|
0
|
2076 }
|
|
|
2077
|
|
|
2078 return;
|
|
|
2079 }
|
|
|
2080
|
|
|
2081 } else {
|
|
|
2082 if (wev->delayed) {
|
|
|
2083 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2084 "http writer delayed");
|
|
|
2085
|
|
430
|
2086 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2087 ngx_http_close_request(r, 0);
|
|
0
|
2088 }
|
|
|
2089
|
|
|
2090 return;
|
|
|
2091 }
|
|
|
2092 }
|
|
|
2093
|
|
132
|
2094 rc = ngx_http_output_filter(r, NULL);
|
|
|
2095
|
|
|
2096 if (c->destroyed) {
|
|
|
2097 return;
|
|
58
|
2098 }
|
|
|
2099
|
|
132
|
2100 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2101 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2102 rc, &r->uri, &r->args);
|
|
0
|
2103
|
|
426
|
2104 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2105
|
|
0
|
2106 if (!wev->ready && !wev->delayed) {
|
|
|
2107 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2108 }
|
|
|
2109
|
|
430
|
2110 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2111 ngx_http_close_request(r, 0);
|
|
0
|
2112 }
|
|
|
2113
|
|
426
|
2114 return;
|
|
0
|
2115 }
|
|
|
2116
|
|
132
|
2117 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2118 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2119
|
|
|
2120 ngx_http_finalize_request(r, rc);
|
|
|
2121 }
|
|
|
2122
|
|
|
2123
|
|
426
|
2124 static void
|
|
|
2125 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2126 {
|
|
|
2127 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2128 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2129
|
|
|
2130 ngx_http_finalize_request(r, 0);
|
|
|
2131 }
|
|
|
2132
|
|
|
2133
|
|
326
|
2134 void
|
|
|
2135 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2136 {
|
|
318
|
2137 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2138 "http reading blocked");
|
|
318
|
2139
|
|
|
2140 /* aio does not call this handler */
|
|
|
2141
|
|
|
2142 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2143 && r->connection->read->active)
|
|
|
2144 {
|
|
430
|
2145 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
318
|
2146 ngx_http_close_request(r, 0);
|
|
|
2147 }
|
|
|
2148 }
|
|
|
2149 }
|
|
|
2150
|
|
|
2151
|
|
416
|
2152 void
|
|
326
|
2153 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2154 {
|
|
276
|
2155 int n;
|
|
|
2156 char buf[1];
|
|
|
2157 ngx_err_t err;
|
|
|
2158 ngx_event_t *rev;
|
|
|
2159 ngx_connection_t *c;
|
|
|
2160
|
|
|
2161 c = r->connection;
|
|
|
2162 rev = c->read;
|
|
|
2163
|
|
326
|
2164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2165
|
|
|
2166 #if (NGX_HAVE_KQUEUE)
|
|
|
2167
|
|
|
2168 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2169
|
|
|
2170 if (!rev->pending_eof) {
|
|
|
2171 return;
|
|
|
2172 }
|
|
|
2173
|
|
|
2174 rev->eof = 1;
|
|
|
2175 c->error = 1;
|
|
|
2176 err = rev->kq_errno;
|
|
|
2177
|
|
|
2178 goto closed;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181 #endif
|
|
|
2182
|
|
|
2183 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2184
|
|
|
2185 if (n == 0) {
|
|
|
2186 rev->eof = 1;
|
|
|
2187 c->error = 1;
|
|
|
2188 err = 0;
|
|
|
2189
|
|
|
2190 goto closed;
|
|
|
2191
|
|
|
2192 } else if (n == -1) {
|
|
|
2193 err = ngx_socket_errno;
|
|
|
2194
|
|
|
2195 if (err != NGX_EAGAIN) {
|
|
|
2196 rev->eof = 1;
|
|
|
2197 c->error = 1;
|
|
|
2198
|
|
|
2199 goto closed;
|
|
|
2200 }
|
|
|
2201 }
|
|
0
|
2202
|
|
|
2203 /* aio does not call this handler */
|
|
|
2204
|
|
276
|
2205 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2206
|
|
430
|
2207 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
0
|
2208 ngx_http_close_request(r, 0);
|
|
|
2209 }
|
|
|
2210 }
|
|
276
|
2211
|
|
|
2212 return;
|
|
|
2213
|
|
|
2214 closed:
|
|
|
2215
|
|
|
2216 if (err) {
|
|
|
2217 rev->error = 1;
|
|
|
2218 }
|
|
|
2219
|
|
|
2220 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2221 "client closed prematurely connection");
|
|
|
2222
|
|
286
|
2223 ngx_http_finalize_request(r, 0);
|
|
0
|
2224 }
|
|
|
2225
|
|
|
2226
|
|
50
|
2227 static void
|
|
|
2228 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2229 {
|
|
2
|
2230 int tcp_nodelay;
|
|
0
|
2231 ngx_int_t i;
|
|
|
2232 ngx_buf_t *b, *f;
|
|
|
2233 ngx_event_t *rev, *wev;
|
|
|
2234 ngx_connection_t *c;
|
|
|
2235 ngx_http_connection_t *hc;
|
|
|
2236 ngx_http_core_srv_conf_t *cscf;
|
|
|
2237 ngx_http_core_loc_conf_t *clcf;
|
|
|
2238
|
|
|
2239 c = r->connection;
|
|
|
2240 rev = c->read;
|
|
|
2241
|
|
326
|
2242 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2243
|
|
0
|
2244 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2245
|
|
326
|
2246 if (r->discard_body) {
|
|
442
|
2247 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
2248 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2249 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2250 return;
|
|
|
2251 }
|
|
|
2252
|
|
32
|
2253 c->log->action = "closing request";
|
|
0
|
2254
|
|
|
2255 hc = r->http_connection;
|
|
|
2256 b = r->header_in;
|
|
|
2257
|
|
|
2258 if (b->pos < b->last) {
|
|
|
2259
|
|
|
2260 /* the pipelined request */
|
|
|
2261
|
|
|
2262 if (b != c->buffer) {
|
|
|
2263
|
|
4
|
2264 /*
|
|
|
2265 * If the large header buffers were allocated while the previous
|
|
|
2266 * request processing then we do not use c->buffer for
|
|
|
2267 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2268 *
|
|
4
|
2269 * Now we would move the large header buffers to the free list.
|
|
|
2270 */
|
|
0
|
2271
|
|
|
2272 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2273
|
|
|
2274 if (hc->free == NULL) {
|
|
|
2275 hc->free = ngx_palloc(c->pool,
|
|
|
2276 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2277
|
|
|
2278 if (hc->free == NULL) {
|
|
26
|
2279 ngx_http_close_request(r, 0);
|
|
0
|
2280 return;
|
|
|
2281 }
|
|
|
2282 }
|
|
|
2283
|
|
|
2284 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2285 f = hc->busy[i];
|
|
|
2286 hc->free[hc->nfree++] = f;
|
|
|
2287 f->pos = f->start;
|
|
|
2288 f->last = f->start;
|
|
|
2289 }
|
|
|
2290
|
|
|
2291 hc->busy[0] = b;
|
|
|
2292 hc->nbusy = 1;
|
|
|
2293 }
|
|
|
2294 }
|
|
|
2295
|
|
118
|
2296 ngx_http_request_done(r, 0);
|
|
|
2297
|
|
0
|
2298 c->data = hc;
|
|
|
2299
|
|
|
2300 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2301
|
|
430
|
2302 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2303 ngx_http_close_connection(c);
|
|
|
2304 return;
|
|
|
2305 }
|
|
|
2306
|
|
|
2307 wev = c->write;
|
|
58
|
2308 wev->handler = ngx_http_empty_handler;
|
|
0
|
2309
|
|
|
2310 if (b->pos < b->last) {
|
|
|
2311
|
|
|
2312 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2313
|
|
116
|
2314 #if (NGX_STAT_STUB)
|
|
|
2315 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2316 #endif
|
|
|
2317
|
|
0
|
2318 hc->pipeline = 1;
|
|
32
|
2319 c->log->action = "reading client pipelined request line";
|
|
116
|
2320
|
|
376
|
2321 rev->handler = ngx_http_init_request;
|
|
|
2322 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2323 return;
|
|
|
2324 }
|
|
|
2325
|
|
|
2326 hc->pipeline = 0;
|
|
|
2327
|
|
4
|
2328 /*
|
|
|
2329 * To keep a memory footprint as small as possible for an idle
|
|
|
2330 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2331 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2332 * The large header buffers are always allocated outside the c->pool and
|
|
|
2333 * are freed too.
|
|
|
2334 */
|
|
|
2335
|
|
0
|
2336 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2337 hc->request = NULL;
|
|
|
2338 }
|
|
|
2339
|
|
|
2340 b = c->buffer;
|
|
|
2341
|
|
|
2342 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2343
|
|
|
2344 /*
|
|
|
2345 * the special note for ngx_http_keepalive_handler() that
|
|
|
2346 * c->buffer's memory was freed
|
|
|
2347 */
|
|
|
2348
|
|
0
|
2349 b->pos = NULL;
|
|
|
2350
|
|
|
2351 } else {
|
|
|
2352 b->pos = b->start;
|
|
|
2353 b->last = b->start;
|
|
|
2354 }
|
|
|
2355
|
|
10
|
2356 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2357 hc->free, hc->nfree);
|
|
|
2358
|
|
|
2359 if (hc->free) {
|
|
|
2360 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2361 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2362 hc->free[i] = NULL;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365 hc->nfree = 0;
|
|
|
2366 }
|
|
|
2367
|
|
10
|
2368 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2369 hc->busy, hc->nbusy);
|
|
|
2370
|
|
|
2371 if (hc->busy) {
|
|
|
2372 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2373 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2374 hc->busy[i] = NULL;
|
|
|
2375 }
|
|
|
2376
|
|
|
2377 hc->nbusy = 0;
|
|
|
2378 }
|
|
|
2379
|
|
358
|
2380 #if (NGX_HTTP_SSL)
|
|
|
2381 if (c->ssl) {
|
|
|
2382 ngx_ssl_free_buffer(c);
|
|
|
2383 }
|
|
|
2384 #endif
|
|
|
2385
|
|
58
|
2386 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2387
|
|
132
|
2388 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2389 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2390 ngx_http_close_connection(c);
|
|
|
2391 return;
|
|
0
|
2392 }
|
|
|
2393 }
|
|
|
2394
|
|
32
|
2395 c->log->action = "keepalive";
|
|
0
|
2396
|
|
|
2397 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2398 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2399 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2400 ngx_http_close_connection(c);
|
|
|
2401 return;
|
|
|
2402 }
|
|
2
|
2403
|
|
0
|
2404 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2405 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2406
|
|
|
2407 } else {
|
|
22
|
2408 tcp_nodelay = 1;
|
|
|
2409 }
|
|
|
2410
|
|
32
|
2411 if (tcp_nodelay
|
|
|
2412 && clcf->tcp_nodelay
|
|
|
2413 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2414 {
|
|
22
|
2415 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2416
|
|
|
2417 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2418 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2419 == -1)
|
|
22
|
2420 {
|
|
460
|
2421 #if (NGX_SOLARIS)
|
|
|
2422 /* Solaris returns EINVAL if a socket has been shut down */
|
|
|
2423 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
|
2424 #endif
|
|
|
2425
|
|
22
|
2426 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2427 "setsockopt(TCP_NODELAY) failed");
|
|
460
|
2428
|
|
|
2429 c->log_error = NGX_ERROR_INFO;
|
|
22
|
2430 ngx_http_close_connection(c);
|
|
|
2431 return;
|
|
2
|
2432 }
|
|
22
|
2433
|
|
32
|
2434 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2435 }
|
|
|
2436
|
|
|
2437 #if 0
|
|
4
|
2438 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2439 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2440 #endif
|
|
|
2441
|
|
290
|
2442 c->idle = 1;
|
|
|
2443
|
|
0
|
2444 if (rev->ready) {
|
|
376
|
2445 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2446 }
|
|
|
2447 }
|
|
|
2448
|
|
|
2449
|
|
50
|
2450 static void
|
|
|
2451 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2452 {
|
|
50
|
2453 size_t size;
|
|
|
2454 ssize_t n;
|
|
|
2455 ngx_buf_t *b;
|
|
|
2456 ngx_connection_t *c;
|
|
0
|
2457
|
|
|
2458 c = rev->data;
|
|
|
2459
|
|
|
2460 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2461
|
|
290
|
2462 if (rev->timedout || c->close) {
|
|
0
|
2463 ngx_http_close_connection(c);
|
|
|
2464 return;
|
|
|
2465 }
|
|
|
2466
|
|
18
|
2467 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2468
|
|
4
|
2469 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2470 if (rev->pending_eof) {
|
|
32
|
2471 c->log->handler = NULL;
|
|
0
|
2472 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2473 "kevent() reported that client %V closed "
|
|
32
|
2474 "keepalive connection", &c->addr_text);
|
|
22
|
2475 #if (NGX_HTTP_SSL)
|
|
|
2476 if (c->ssl) {
|
|
96
|
2477 c->ssl->no_send_shutdown = 1;
|
|
22
|
2478 }
|
|
|
2479 #endif
|
|
0
|
2480 ngx_http_close_connection(c);
|
|
|
2481 return;
|
|
|
2482 }
|
|
|
2483 }
|
|
|
2484
|
|
|
2485 #endif
|
|
|
2486
|
|
|
2487 b = c->buffer;
|
|
|
2488 size = b->end - b->start;
|
|
|
2489
|
|
|
2490 if (b->pos == NULL) {
|
|
4
|
2491
|
|
|
2492 /*
|
|
|
2493 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2494 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2495 * to keep the buffer size.
|
|
|
2496 */
|
|
|
2497
|
|
50
|
2498 b->pos = ngx_palloc(c->pool, size);
|
|
|
2499 if (b->pos == NULL) {
|
|
0
|
2500 ngx_http_close_connection(c);
|
|
|
2501 return;
|
|
|
2502 }
|
|
|
2503
|
|
|
2504 b->start = b->pos;
|
|
|
2505 b->last = b->pos;
|
|
|
2506 b->end = b->pos + size;
|
|
|
2507 }
|
|
|
2508
|
|
|
2509 /*
|
|
|
2510 * MSIE closes a keepalive connection with RST flag
|
|
|
2511 * so we ignore ECONNRESET here.
|
|
|
2512 */
|
|
|
2513
|
|
|
2514 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2515 ngx_set_socket_errno(0);
|
|
|
2516
|
|
|
2517 n = c->recv(c, b->last, size);
|
|
|
2518 c->log_error = NGX_ERROR_INFO;
|
|
|
2519
|
|
|
2520 if (n == NGX_AGAIN) {
|
|
430
|
2521 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
24
|
2522 ngx_http_close_connection(c);
|
|
|
2523 }
|
|
|
2524
|
|
0
|
2525 return;
|
|
|
2526 }
|
|
|
2527
|
|
|
2528 if (n == NGX_ERROR) {
|
|
|
2529 ngx_http_close_connection(c);
|
|
|
2530 return;
|
|
|
2531 }
|
|
|
2532
|
|
32
|
2533 c->log->handler = NULL;
|
|
0
|
2534
|
|
|
2535 if (n == 0) {
|
|
|
2536 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2537 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2538 ngx_http_close_connection(c);
|
|
|
2539 return;
|
|
|
2540 }
|
|
|
2541
|
|
|
2542 b->last += n;
|
|
32
|
2543
|
|
116
|
2544 #if (NGX_STAT_STUB)
|
|
|
2545 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2546 #endif
|
|
|
2547
|
|
32
|
2548 c->log->handler = ngx_http_log_error;
|
|
|
2549 c->log->action = "reading client request line";
|
|
0
|
2550
|
|
290
|
2551 c->idle = 0;
|
|
|
2552
|
|
0
|
2553 ngx_http_init_request(rev);
|
|
|
2554 }
|
|
|
2555
|
|
|
2556
|
|
50
|
2557 static void
|
|
|
2558 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2559 {
|
|
0
|
2560 ngx_event_t *rev, *wev;
|
|
|
2561 ngx_connection_t *c;
|
|
|
2562 ngx_http_core_loc_conf_t *clcf;
|
|
|
2563
|
|
|
2564 c = r->connection;
|
|
|
2565
|
|
|
2566 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2567
|
|
|
2568 rev = c->read;
|
|
58
|
2569 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2570
|
|
106
|
2571 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2572 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2573
|
|
430
|
2574 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2575 ngx_http_close_request(r, 0);
|
|
|
2576 return;
|
|
|
2577 }
|
|
|
2578
|
|
|
2579 wev = c->write;
|
|
58
|
2580 wev->handler = ngx_http_empty_handler;
|
|
0
|
2581
|
|
132
|
2582 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2583 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2584 ngx_http_close_request(r, 0);
|
|
|
2585 return;
|
|
0
|
2586 }
|
|
|
2587 }
|
|
|
2588
|
|
|
2589 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2590 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2591 ngx_shutdown_socket_n " failed");
|
|
|
2592 ngx_http_close_request(r, 0);
|
|
|
2593 return;
|
|
|
2594 }
|
|
|
2595
|
|
|
2596 if (rev->ready) {
|
|
|
2597 ngx_http_lingering_close_handler(rev);
|
|
|
2598 }
|
|
|
2599 }
|
|
|
2600
|
|
|
2601
|
|
50
|
2602 static void
|
|
|
2603 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2604 {
|
|
|
2605 ssize_t n;
|
|
|
2606 ngx_msec_t timer;
|
|
|
2607 ngx_connection_t *c;
|
|
|
2608 ngx_http_request_t *r;
|
|
|
2609 ngx_http_core_loc_conf_t *clcf;
|
|
|
2610 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2611
|
|
|
2612 c = rev->data;
|
|
|
2613 r = c->data;
|
|
|
2614
|
|
|
2615 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2616 "http lingering close handler");
|
|
|
2617
|
|
|
2618 if (rev->timedout) {
|
|
126
|
2619 c->timedout = 1;
|
|
0
|
2620 ngx_http_close_request(r, 0);
|
|
|
2621 return;
|
|
|
2622 }
|
|
|
2623
|
|
346
|
2624 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2625 if (timer <= 0) {
|
|
|
2626 ngx_http_close_request(r, 0);
|
|
|
2627 return;
|
|
|
2628 }
|
|
|
2629
|
|
|
2630 do {
|
|
|
2631 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2632
|
|
|
2633 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2634
|
|
|
2635 if (n == NGX_ERROR || n == 0) {
|
|
|
2636 ngx_http_close_request(r, 0);
|
|
|
2637 return;
|
|
|
2638 }
|
|
|
2639
|
|
|
2640 } while (rev->ready);
|
|
|
2641
|
|
430
|
2642 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
26
|
2643 ngx_http_close_request(r, 0);
|
|
24
|
2644 return;
|
|
|
2645 }
|
|
|
2646
|
|
0
|
2647 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2648
|
|
|
2649 timer *= 1000;
|
|
|
2650
|
|
|
2651 if (timer > clcf->lingering_timeout) {
|
|
|
2652 timer = clcf->lingering_timeout;
|
|
|
2653 }
|
|
|
2654
|
|
|
2655 ngx_add_timer(rev, timer);
|
|
|
2656 }
|
|
|
2657
|
|
|
2658
|
|
50
|
2659 void
|
|
|
2660 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2661 {
|
|
|
2662 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2663
|
|
|
2664 return;
|
|
|
2665 }
|
|
|
2666
|
|
|
2667
|
|
58
|
2668 void
|
|
|
2669 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2670 {
|
|
|
2671 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2672 "http request empty handler");
|
|
58
|
2673
|
|
|
2674 return;
|
|
|
2675 }
|
|
|
2676
|
|
|
2677
|
|
50
|
2678 ngx_int_t
|
|
130
|
2679 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2680 {
|
|
|
2681 ngx_buf_t *b;
|
|
|
2682 ngx_chain_t out;
|
|
|
2683
|
|
50
|
2684 b = ngx_calloc_buf(r->pool);
|
|
|
2685 if (b == NULL) {
|
|
0
|
2686 return NGX_ERROR;
|
|
|
2687 }
|
|
|
2688
|
|
130
|
2689 if (flags & NGX_HTTP_LAST) {
|
|
|
2690 b->last_buf = 1;
|
|
|
2691 }
|
|
|
2692
|
|
|
2693 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2694 b->flush = 1;
|
|
|
2695 }
|
|
|
2696
|
|
0
|
2697 out.buf = b;
|
|
|
2698 out.next = NULL;
|
|
|
2699
|
|
|
2700 return ngx_http_output_filter(r, &out);
|
|
|
2701 }
|
|
|
2702
|
|
|
2703
|
|
162
|
2704 static ngx_int_t
|
|
|
2705 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2706 {
|
|
|
2707 ngx_http_core_loc_conf_t *clcf;
|
|
|
2708
|
|
|
2709 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2710
|
|
|
2711 if (clcf->post_action.data == NULL) {
|
|
|
2712 return NGX_DECLINED;
|
|
|
2713 }
|
|
|
2714
|
|
172
|
2715 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2716 "post action: \"%V\"", &clcf->post_action);
|
|
|
2717
|
|
162
|
2718 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2719 r->header_only = 1;
|
|
178
|
2720 r->post_action = 1;
|
|
162
|
2721
|
|
326
|
2722 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2723
|
|
366
|
2724 if (clcf->post_action.data[0] == '/') {
|
|
|
2725 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2726
|
|
|
2727 } else {
|
|
|
2728 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2729 }
|
|
162
|
2730
|
|
|
2731 return NGX_OK;
|
|
|
2732 }
|
|
|
2733
|
|
|
2734
|
|
|
2735 static void
|
|
58
|
2736 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2737 {
|
|
188
|
2738 ngx_connection_t *c;
|
|
118
|
2739
|
|
|
2740 c = r->connection;
|
|
188
|
2741
|
|
|
2742 ngx_http_request_done(r->main, error);
|
|
118
|
2743 ngx_http_close_connection(c);
|
|
|
2744 }
|
|
|
2745
|
|
|
2746
|
|
162
|
2747 static void
|
|
118
|
2748 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2749 {
|
|
412
|
2750 ngx_log_t *log;
|
|
|
2751 struct linger linger;
|
|
|
2752 ngx_http_cleanup_t *cln;
|
|
|
2753 ngx_http_log_ctx_t *ctx;
|
|
|
2754 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2755
|
|
|
2756 log = r->connection->log;
|
|
|
2757
|
|
|
2758 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2759
|
|
|
2760 if (r->pool == NULL) {
|
|
80
|
2761 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2762 return;
|
|
|
2763 }
|
|
|
2764
|
|
188
|
2765 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2766 if (cln->handler) {
|
|
|
2767 cln->handler(cln->data);
|
|
|
2768 }
|
|
|
2769 }
|
|
|
2770
|
|
0
|
2771 #if (NGX_STAT_STUB)
|
|
116
|
2772
|
|
0
|
2773 if (r->stat_reading) {
|
|
110
|
2774 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2775 }
|
|
|
2776
|
|
|
2777 if (r->stat_writing) {
|
|
110
|
2778 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2779 }
|
|
116
|
2780
|
|
0
|
2781 #endif
|
|
|
2782
|
|
|
2783 if (error && r->headers_out.status == 0) {
|
|
|
2784 r->headers_out.status = error;
|
|
|
2785 }
|
|
|
2786
|
|
386
|
2787 log->action = "logging request";
|
|
|
2788
|
|
412
|
2789 ngx_http_log_request(r);
|
|
0
|
2790
|
|
386
|
2791 log->action = "closing request";
|
|
|
2792
|
|
0
|
2793 if (r->connection->timedout) {
|
|
|
2794 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2795
|
|
|
2796 if (clcf->reset_timedout_connection) {
|
|
58
|
2797 linger.l_onoff = 1;
|
|
|
2798 linger.l_linger = 0;
|
|
0
|
2799
|
|
|
2800 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2801 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2802 {
|
|
|
2803 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2804 "setsockopt(SO_LINGER) failed");
|
|
|
2805 }
|
|
|
2806 }
|
|
|
2807 }
|
|
|
2808
|
|
58
|
2809 /* the various request strings were allocated from r->pool */
|
|
0
|
2810 ctx = log->data;
|
|
10
|
2811 ctx->request = NULL;
|
|
0
|
2812
|
|
|
2813 r->request_line.len = 0;
|
|
|
2814
|
|
132
|
2815 r->connection->destroyed = 1;
|
|
|
2816
|
|
0
|
2817 ngx_destroy_pool(r->pool);
|
|
|
2818 }
|
|
|
2819
|
|
|
2820
|
|
80
|
2821 static void
|
|
412
|
2822 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2823 {
|
|
|
2824 ngx_uint_t i, n;
|
|
|
2825 ngx_http_handler_pt *log_handler;
|
|
|
2826 ngx_http_core_main_conf_t *cmcf;
|
|
|
2827
|
|
|
2828 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2829
|
|
|
2830 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2831 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2832
|
|
|
2833 for (i = 0; i < n; i++) {
|
|
|
2834 log_handler[i](r);
|
|
|
2835 }
|
|
|
2836 }
|
|
|
2837
|
|
|
2838
|
|
|
2839 static void
|
|
50
|
2840 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2841 {
|
|
28
|
2842 ngx_pool_t *pool;
|
|
|
2843
|
|
0
|
2844 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2845 "close http connection: %d", c->fd);
|
|
|
2846
|
|
88
|
2847 #if (NGX_HTTP_SSL)
|
|
2
|
2848
|
|
|
2849 if (c->ssl) {
|
|
|
2850 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2851 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2852 return;
|
|
|
2853 }
|
|
|
2854 }
|
|
|
2855
|
|
|
2856 #endif
|
|
|
2857
|
|
0
|
2858 #if (NGX_STAT_STUB)
|
|
110
|
2859 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2860 #endif
|
|
|
2861
|
|
132
|
2862 c->destroyed = 1;
|
|
|
2863
|
|
28
|
2864 pool = c->pool;
|
|
|
2865
|
|
0
|
2866 ngx_close_connection(c);
|
|
28
|
2867
|
|
50
|
2868 ngx_destroy_pool(pool);
|
|
0
|
2869 }
|
|
|
2870
|
|
|
2871
|
|
50
|
2872 static u_char *
|
|
|
2873 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2874 {
|
|
32
|
2875 u_char *p;
|
|
54
|
2876 ngx_http_request_t *r;
|
|
32
|
2877 ngx_http_log_ctx_t *ctx;
|
|
10
|
2878
|
|
32
|
2879 if (log->action) {
|
|
58
|
2880 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2881 len -= p - buf;
|
|
54
|
2882 buf = p;
|
|
10
|
2883 }
|
|
|
2884
|
|
58
|
2885 ctx = log->data;
|
|
|
2886
|
|
362
|
2887 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2888 len -= p - buf;
|
|
54
|
2889
|
|
|
2890 r = ctx->request;
|
|
|
2891
|
|
58
|
2892 if (r) {
|
|
214
|
2893 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2894
|
|
|
2895 } else {
|
|
|
2896 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2897 &ctx->connection->listening->addr_text);
|
|
0
|
2898 }
|
|
10
|
2899
|
|
58
|
2900 return p;
|
|
|
2901 }
|
|
|
2902
|
|
|
2903
|
|
|
2904 static u_char *
|
|
214
|
2905 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2906 u_char *buf, size_t len)
|
|
58
|
2907 {
|
|
362
|
2908 char *uri_separator;
|
|
|
2909 u_char *p;
|
|
|
2910 ngx_http_upstream_t *u;
|
|
|
2911 ngx_http_core_srv_conf_t *cscf;
|
|
|
2912
|
|
|
2913 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2914
|
|
|
2915 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2916 len -= p - buf;
|
|
|
2917 buf = p;
|
|
52
|
2918
|
|
348
|
2919 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2920 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2921 if (*p == CR || *p == LF) {
|
|
|
2922 break;
|
|
|
2923 }
|
|
|
2924 }
|
|
|
2925
|
|
|
2926 r->request_line.len = p - r->request_start;
|
|
|
2927 r->request_line.data = r->request_start;
|
|
|
2928 }
|
|
|
2929
|
|
|
2930 if (r->request_line.len) {
|
|
|
2931 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2932 len -= p - buf;
|
|
|
2933 buf = p;
|
|
10
|
2934 }
|
|
|
2935
|
|
214
|
2936 if (r != sr) {
|
|
|
2937 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2938 len -= p - buf;
|
|
|
2939 buf = p;
|
|
|
2940 }
|
|
|
2941
|
|
|
2942 u = sr->upstream;
|
|
|
2943
|
|
260
|
2944 if (u && u->peer.name) {
|
|
|
2945
|
|
|
2946 uri_separator = "";
|
|
|
2947
|
|
|
2948 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2949 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2950 uri_separator = ":";
|
|
|
2951 }
|
|
|
2952 #endif
|
|
214
|
2953
|
|
|
2954 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2955 &u->schema, u->peer.name,
|
|
260
|
2956 uri_separator, &u->uri);
|
|
214
|
2957 len -= p - buf;
|
|
|
2958 buf = p;
|
|
|
2959 }
|
|
|
2960
|
|
54
|
2961 if (r->headers_in.host) {
|
|
|
2962 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2963 &r->headers_in.host->value);
|
|
|
2964 len -= p - buf;
|
|
|
2965 buf = p;
|
|
|
2966 }
|
|
|
2967
|
|
|
2968 if (r->headers_in.referer) {
|
|
|
2969 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
2970 &r->headers_in.referer->value);
|
|
|
2971 buf = p;
|
|
|
2972 }
|
|
|
2973
|
|
|
2974 return buf;
|
|
|
2975 }
|
