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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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502
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132 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP || NGX_HTTP_GEO)
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0
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133 { ngx_string("X-Forwarded-For"),
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58
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134 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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135 ngx_http_process_header_line },
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0
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136 #endif
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28
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137
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122
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138 #if (NGX_HTTP_REALIP)
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139 { ngx_string("X-Real-IP"),
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140 offsetof(ngx_http_headers_in_t, x_real_ip),
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141 ngx_http_process_header_line },
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142 #endif
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143
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38
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144 #if (NGX_HTTP_HEADERS)
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58
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145 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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146 ngx_http_process_header_line },
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147
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38
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148 { ngx_string("Accept-Language"),
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58
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149 offsetof(ngx_http_headers_in_t, accept_language),
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150 ngx_http_process_header_line },
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38
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151 #endif
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152
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186
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153 #if (NGX_HTTP_DAV)
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154 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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155 ngx_http_process_header_line },
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156
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157 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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158 ngx_http_process_header_line },
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230
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159
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276
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160 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
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161 ngx_http_process_header_line },
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162
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230
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163 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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164 ngx_http_process_header_line },
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186
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165 #endif
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166
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58
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167 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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168
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169 { ngx_null_string, 0, NULL }
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0
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170 };
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171
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172
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50
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173 void
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174 ngx_http_init_connection(ngx_connection_t *c)
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0
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175 {
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176 ngx_event_t *rev;
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177 ngx_http_log_ctx_t *ctx;
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178
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50
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179 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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180 if (ctx == NULL) {
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0
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181 ngx_http_close_connection(c);
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182 return;
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183 }
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184
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362
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185 ctx->connection = c;
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10
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186 ctx->request = NULL;
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214
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187 ctx->current_request = NULL;
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32
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188
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189 c->log->connection = c->number;
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190 c->log->handler = ngx_http_log_error;
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0
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191 c->log->data = ctx;
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32
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192 c->log->action = "reading client request line";
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193
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0
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194 c->log_error = NGX_ERROR_INFO;
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195
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196 rev = c->read;
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58
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197 rev->handler = ngx_http_init_request;
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118
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198 c->write->handler = ngx_http_empty_handler;
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0
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199
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116
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200 #if (NGX_STAT_STUB)
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498
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201 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
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116
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202 #endif
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203
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0
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204 if (rev->ready) {
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205 /* the deferred accept(), rtsig, aio, iocp */
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206
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160
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207 if (ngx_use_accept_mutex) {
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112
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208 ngx_post_event(rev, &ngx_posted_events);
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0
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209 return;
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210 }
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211
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212 ngx_http_init_request(rev);
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213 return;
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214 }
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215
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216 ngx_add_timer(rev, c->listening->post_accept_timeout);
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217
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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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498
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220 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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221 #endif
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0
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222 ngx_http_close_connection(c);
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223 return;
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224 }
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225 }
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226
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227
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190
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228 static void
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229 ngx_http_init_request(ngx_event_t *rev)
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0
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230 {
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298
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231 ngx_time_t *tp;
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122
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232 ngx_uint_t i;
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233 ngx_connection_t *c;
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234 ngx_http_request_t *r;
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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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498
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250 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
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116
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251 #endif
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252
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0
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253 c = rev->data;
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254
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255 if (rev->timedout) {
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256 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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257
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258 ngx_http_close_connection(c);
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259 return;
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260 }
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261
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496
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262 c->requests++;
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263
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0
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264 hc = c->data;
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265
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116
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266 if (hc == NULL) {
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50
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267 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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268 if (hc == NULL) {
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0
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269 ngx_http_close_connection(c);
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270 return;
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271 }
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272 }
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273
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274 r = hc->request;
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275
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276 if (r) {
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277 ngx_memzero(r, sizeof(ngx_http_request_t));
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278
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279 r->pipeline = hc->pipeline;
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280
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281 if (hc->nbusy) {
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282 r->header_in = hc->busy[0];
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283 }
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284
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285 } else {
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50
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286 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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287 if (r == NULL) {
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0
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288 ngx_http_close_connection(c);
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289 return;
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290 }
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291
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292 hc->request = r;
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293 }
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294
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295 c->data = r;
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296 r->http_connection = hc;
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297
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298 c->sent = 0;
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299 r->signature = NGX_HTTP_MODULE;
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300
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301 /* find the server configuration for the address:port */
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302
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448
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303 port = c->listening->servers;
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304
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362
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305 r->connection = c;
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306
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448
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307 if (port->naddrs > 1) {
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0
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308
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309 /*
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448
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310 * there are several addresses on this port and one of them
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311 * is an "*:port" wildcard so getsockname() in ngx_http_server_addr()
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312 * is required to determine a server address
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0
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313 */
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314
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492
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315 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
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448
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316 ngx_http_close_connection(c);
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317 return;
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318 }
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319
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320 switch (c->local_sockaddr->sa_family) {
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321
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322 #if (NGX_HAVE_INET6)
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323 case AF_INET6:
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324 sin6 = (struct sockaddr_in6 *) c->local_sockaddr;
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325
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492
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326 addr6 = port->addrs;
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448
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327
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328 /* the last address is "*" */
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329
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330 for (i = 0; i < port->naddrs - 1; i++) {
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331 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
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332 break;
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333 }
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334 }
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335
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336 addr_conf = &addr6[i].conf;
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337
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338 break;
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0
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339 #endif
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448
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340
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341 default: /* AF_INET */
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342 sin = (struct sockaddr_in *) c->local_sockaddr;
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343
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344 addr = port->addrs;
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345
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346 /* the last address is "*" */
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347
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348 for (i = 0; i < port->naddrs - 1; i++) {
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349 if (addr[i].addr == sin->sin_addr.s_addr) {
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350 break;
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351 }
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0
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352 }
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448
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353
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354 addr_conf = &addr[i].conf;
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355
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356 break;
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0
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357 }
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358
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359 } else {
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448
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360
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361 switch (c->local_sockaddr->sa_family) {
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362
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|
|
363 #if (NGX_HAVE_INET6)
|
|
|
364 case AF_INET6:
|
|
492
|
365 addr6 = port->addrs;
|
|
448
|
366 addr_conf = &addr6[0].conf;
|
|
|
367 break;
|
|
|
368 #endif
|
|
|
369
|
|
|
370 default: /* AF_INET */
|
|
|
371 addr = port->addrs;
|
|
|
372 addr_conf = &addr[0].conf;
|
|
|
373 break;
|
|
|
374 }
|
|
0
|
375 }
|
|
|
376
|
|
478
|
377 r->virtual_names = addr_conf->virtual_names;
|
|
|
378
|
|
0
|
379 /* the default server configuration for the address:port */
|
|
448
|
380 cscf = addr_conf->core_srv_conf;
|
|
0
|
381
|
|
|
382 r->main_conf = cscf->ctx->main_conf;
|
|
|
383 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
384 r->loc_conf = cscf->ctx->loc_conf;
|
|
|
385
|
|
58
|
386 rev->handler = ngx_http_process_request_line;
|
|
502
|
387 r->read_event_handler = ngx_http_block_reading;
|
|
0
|
388
|
|
|
389 #if (NGX_HTTP_SSL)
|
|
|
390
|
|
356
|
391 {
|
|
|
392 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
393
|
|
0
|
394 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
448
|
395 if (sscf->enable || addr_conf->ssl) {
|
|
0
|
396
|
|
|
397 if (c->ssl == NULL) {
|
|
404
|
398
|
|
|
399 c->log->action = "SSL handshaking";
|
|
|
400
|
|
448
|
401 if (addr_conf->ssl && sscf->ssl.ctx == NULL) {
|
|
404
|
402 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
|
403 "no \"ssl_certificate\" is defined "
|
|
|
404 "in server listening on SSL port");
|
|
|
405 ngx_http_close_connection(c);
|
|
|
406 return;
|
|
|
407 }
|
|
|
408
|
|
96
|
409 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
|
|
454
|
410 != NGX_OK)
|
|
0
|
411 {
|
|
|
412 ngx_http_close_connection(c);
|
|
|
413 return;
|
|
|
414 }
|
|
|
415
|
|
58
|
416 rev->handler = ngx_http_ssl_handshake;
|
|
0
|
417 }
|
|
|
418
|
|
62
|
419 r->main_filter_need_in_memory = 1;
|
|
0
|
420 }
|
|
356
|
421 }
|
|
0
|
422
|
|
|
423 #endif
|
|
|
424
|
|
|
425 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
484
|
426 c->log->file = clcf->error_log->file;
|
|
0
|
427 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
484
|
428 c->log->log_level = clcf->error_log->log_level;
|
|
0
|
429 }
|
|
|
430
|
|
|
431 if (c->buffer == NULL) {
|
|
|
432 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
433 cscf->client_header_buffer_size);
|
|
|
434 if (c->buffer == NULL) {
|
|
|
435 ngx_http_close_connection(c);
|
|
|
436 return;
|
|
|
437 }
|
|
|
438 }
|
|
|
439
|
|
|
440 if (r->header_in == NULL) {
|
|
|
441 r->header_in = c->buffer;
|
|
|
442 }
|
|
|
443
|
|
50
|
444 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
445 if (r->pool == NULL) {
|
|
0
|
446 ngx_http_close_connection(c);
|
|
|
447 return;
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
452 sizeof(ngx_table_elt_t))
|
|
454
|
453 != NGX_OK)
|
|
0
|
454 {
|
|
502
|
455 ngx_destroy_pool(r->pool);
|
|
|
456 ngx_http_close_connection(c);
|
|
0
|
457 return;
|
|
|
458 }
|
|
|
459
|
|
|
460 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
461 if (r->ctx == NULL) {
|
|
502
|
462 ngx_destroy_pool(r->pool);
|
|
|
463 ngx_http_close_connection(c);
|
|
0
|
464 return;
|
|
|
465 }
|
|
|
466
|
|
122
|
467 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
468
|
|
|
469 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
470 * sizeof(ngx_http_variable_value_t));
|
|
|
471 if (r->variables == NULL) {
|
|
502
|
472 ngx_destroy_pool(r->pool);
|
|
|
473 ngx_http_close_connection(c);
|
|
122
|
474 return;
|
|
|
475 }
|
|
|
476
|
|
0
|
477 c->single_connection = 1;
|
|
132
|
478 c->destroyed = 0;
|
|
|
479
|
|
102
|
480 r->main = r;
|
|
|
481
|
|
298
|
482 tp = ngx_timeofday();
|
|
|
483 r->start_sec = tp->sec;
|
|
|
484 r->start_msec = tp->msec;
|
|
46
|
485
|
|
180
|
486 r->method = NGX_HTTP_UNKNOWN;
|
|
|
487
|
|
0
|
488 r->headers_in.content_length_n = -1;
|
|
|
489 r->headers_in.keep_alive_n = -1;
|
|
|
490 r->headers_out.content_length_n = -1;
|
|
|
491 r->headers_out.last_modified_time = -1;
|
|
|
492
|
|
226
|
493 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
494 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
495
|
|
0
|
496 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
497
|
|
54
|
498 ctx = c->log->data;
|
|
|
499 ctx->request = r;
|
|
214
|
500 ctx->current_request = r;
|
|
58
|
501 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
502
|
|
0
|
503 #if (NGX_STAT_STUB)
|
|
498
|
504 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
505 r->stat_reading = 1;
|
|
498
|
506 (void) ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
507 #endif
|
|
|
508
|
|
58
|
509 rev->handler(rev);
|
|
0
|
510 }
|
|
|
511
|
|
|
512
|
|
|
513 #if (NGX_HTTP_SSL)
|
|
|
514
|
|
50
|
515 static void
|
|
|
516 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
517 {
|
|
10
|
518 u_char buf[1];
|
|
|
519 ssize_t n;
|
|
0
|
520 ngx_int_t rc;
|
|
|
521 ngx_connection_t *c;
|
|
|
522 ngx_http_request_t *r;
|
|
|
523
|
|
|
524 c = rev->data;
|
|
|
525 r = c->data;
|
|
|
526
|
|
|
527 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
528 "http check ssl handshake");
|
|
|
529
|
|
|
530 if (rev->timedout) {
|
|
54
|
531 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
532 c->timedout = 1;
|
|
|
533 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
534 return;
|
|
|
535 }
|
|
|
536
|
|
132
|
537 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
538
|
|
|
539 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
540
|
|
|
541 if (!rev->timer_set) {
|
|
|
542 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
543 }
|
|
|
544
|
|
430
|
545 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
364
|
546 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
547 }
|
|
|
548
|
|
0
|
549 return;
|
|
|
550 }
|
|
|
551
|
|
|
552 if (n == 1) {
|
|
|
553 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
554 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
555 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
556
|
|
|
557 rc = ngx_ssl_handshake(c);
|
|
|
558
|
|
96
|
559 if (rc == NGX_AGAIN) {
|
|
362
|
560
|
|
|
561 if (!rev->timer_set) {
|
|
|
562 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
563 }
|
|
|
564
|
|
96
|
565 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
566 return;
|
|
|
567 }
|
|
|
568
|
|
96
|
569 ngx_http_ssl_handshake_handler(c);
|
|
|
570
|
|
|
571 return;
|
|
0
|
572
|
|
|
573 } else {
|
|
|
574 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
575 "plain http");
|
|
|
576
|
|
|
577 r->plain_http = 1;
|
|
|
578 }
|
|
|
579 }
|
|
|
580
|
|
404
|
581 c->log->action = "reading client request line";
|
|
|
582
|
|
58
|
583 rev->handler = ngx_http_process_request_line;
|
|
0
|
584 ngx_http_process_request_line(rev);
|
|
|
585 }
|
|
|
586
|
|
96
|
587
|
|
|
588 static void
|
|
|
589 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
590 {
|
|
|
591 ngx_http_request_t *r;
|
|
|
592
|
|
|
593 if (c->ssl->handshaked) {
|
|
|
594
|
|
|
595 /*
|
|
|
596 * The majority of browsers do not send the "close notify" alert.
|
|
|
597 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
598 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
599 *
|
|
|
600 * Opera and recent Mozilla send the alert.
|
|
|
601 */
|
|
|
602
|
|
|
603 c->ssl->no_wait_shutdown = 1;
|
|
|
604
|
|
|
605 c->read->handler = ngx_http_process_request_line;
|
|
|
606 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
607
|
|
|
608 ngx_http_process_request_line(c->read);
|
|
|
609
|
|
|
610 return;
|
|
|
611 }
|
|
|
612
|
|
|
613 r = c->data;
|
|
|
614
|
|
|
615 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
616
|
|
|
617 return;
|
|
|
618 }
|
|
|
619
|
|
306
|
620 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
621
|
|
|
622 int
|
|
|
623 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
624 {
|
|
400
|
625 size_t len;
|
|
306
|
626 const char *servername;
|
|
|
627 ngx_connection_t *c;
|
|
|
628 ngx_http_request_t *r;
|
|
|
629 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
630
|
|
|
631 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
632
|
|
|
633 if (servername == NULL) {
|
|
|
634 return SSL_TLSEXT_ERR_NOACK;
|
|
|
635 }
|
|
|
636
|
|
|
637 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
638
|
|
|
639 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
640 "SSL server name: \"%s\"", servername);
|
|
|
641
|
|
400
|
642 len = ngx_strlen(servername);
|
|
|
643
|
|
|
644 if (len == 0) {
|
|
|
645 return SSL_TLSEXT_ERR_NOACK;
|
|
|
646 }
|
|
|
647
|
|
306
|
648 r = c->data;
|
|
|
649
|
|
400
|
650 if (ngx_http_find_virtual_server(r, (u_char *) servername, len) != NGX_OK) {
|
|
306
|
651 return SSL_TLSEXT_ERR_NOACK;
|
|
|
652 }
|
|
|
653
|
|
|
654 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
655
|
|
|
656 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
657
|
|
|
658 return SSL_TLSEXT_ERR_OK;
|
|
|
659 }
|
|
|
660
|
|
|
661 #endif
|
|
96
|
662
|
|
0
|
663 #endif
|
|
|
664
|
|
|
665
|
|
50
|
666 static void
|
|
|
667 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
668 {
|
|
342
|
669 ssize_t n;
|
|
|
670 ngx_int_t rc, rv;
|
|
|
671 ngx_connection_t *c;
|
|
|
672 ngx_http_request_t *r;
|
|
|
673 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
674
|
|
|
675 c = rev->data;
|
|
|
676 r = c->data;
|
|
|
677
|
|
|
678 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
679 "http process request line");
|
|
|
680
|
|
|
681 if (rev->timedout) {
|
|
54
|
682 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
683 c->timedout = 1;
|
|
|
684 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
685 return;
|
|
|
686 }
|
|
|
687
|
|
|
688 rc = NGX_AGAIN;
|
|
|
689
|
|
|
690 for ( ;; ) {
|
|
|
691
|
|
|
692 if (rc == NGX_AGAIN) {
|
|
|
693 n = ngx_http_read_request_header(r);
|
|
|
694
|
|
|
695 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
696 return;
|
|
|
697 }
|
|
|
698 }
|
|
|
699
|
|
|
700 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
701
|
|
|
702 if (rc == NGX_OK) {
|
|
|
703
|
|
|
704 /* the request line has been parsed successfully */
|
|
|
705
|
|
10
|
706 r->request_line.len = r->request_end - r->request_start;
|
|
|
707 r->request_line.data = r->request_start;
|
|
|
708
|
|
0
|
709
|
|
|
710 if (r->args_start) {
|
|
|
711 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
712 } else {
|
|
|
713 r->uri.len = r->uri_end - r->uri_start;
|
|
|
714 }
|
|
|
715
|
|
18
|
716
|
|
2
|
717 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
718
|
|
382
|
719 r->uri.data = ngx_pnalloc(r->pool, r->uri.len + 1);
|
|
50
|
720 if (r->uri.data == NULL) {
|
|
10
|
721 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
722 return;
|
|
|
723 }
|
|
|
724
|
|
342
|
725 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
726
|
|
|
727 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
728
|
|
54
|
729 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
730 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
731 "client sent invalid request");
|
|
|
732 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
733 return;
|
|
|
734 }
|
|
|
735
|
|
|
736 } else {
|
|
10
|
737 r->uri.data = r->uri_start;
|
|
0
|
738 }
|
|
|
739
|
|
18
|
740
|
|
10
|
741 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
742 r->unparsed_uri.data = r->uri_start;
|
|
|
743
|
|
0
|
744
|
|
58
|
745 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
746 r->method_name.data = r->request_line.data;
|
|
0
|
747
|
|
10
|
748
|
|
28
|
749 if (r->http_protocol.data) {
|
|
|
750 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
751 }
|
|
|
752
|
|
|
753
|
|
0
|
754 if (r->uri_ext) {
|
|
|
755 if (r->args_start) {
|
|
|
756 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
757 } else {
|
|
|
758 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
759 }
|
|
|
760
|
|
10
|
761 r->exten.data = r->uri_ext;
|
|
0
|
762 }
|
|
|
763
|
|
10
|
764
|
|
0
|
765 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
766 r->args.len = r->uri_end - r->args_start;
|
|
10
|
767 r->args.data = r->args_start;
|
|
0
|
768 }
|
|
|
769
|
|
500
|
770 #if (NGX_WIN32)
|
|
|
771 {
|
|
|
772 u_char *p;
|
|
|
773
|
|
|
774 p = r->uri.data + r->uri.len - 1;
|
|
|
775
|
|
|
776 if (*p == '.') {
|
|
|
777
|
|
|
778 while (--p > r->uri.data && *p == '.') { /* void */ }
|
|
|
779
|
|
|
780 r->uri.len = p + 1 - r->uri.data;
|
|
|
781
|
|
|
782 ngx_http_set_exten(r);
|
|
|
783 }
|
|
|
784 }
|
|
|
785 #endif
|
|
10
|
786
|
|
|
787 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
788 "http request line: \"%V\"", &r->request_line);
|
|
|
789
|
|
0
|
790 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
791 "http uri: \"%V\"", &r->uri);
|
|
0
|
792
|
|
|
793 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
794 "http args: \"%V\"", &r->args);
|
|
0
|
795
|
|
|
796 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
797 "http exten: \"%V\"", &r->exten);
|
|
|
798
|
|
376
|
799 if (r->host_start && r->host_end) {
|
|
|
800 n = ngx_http_validate_host(r->host_start,
|
|
|
801 r->host_end - r->host_start);
|
|
|
802
|
|
|
803 if (n <= 0) {
|
|
|
804 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
805 "client sent invalid host in request line");
|
|
|
806 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
807 return;
|
|
|
808 }
|
|
|
809
|
|
|
810 r->headers_in.server.len = n;
|
|
|
811 r->headers_in.server.data = r->host_start;
|
|
|
812 }
|
|
|
813
|
|
0
|
814 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
376
|
815
|
|
|
816 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
817 r->headers_in.server.len)
|
|
|
818 == NGX_ERROR)
|
|
|
819 {
|
|
|
820 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
821 return;
|
|
|
822 }
|
|
|
823
|
|
308
|
824 ngx_http_process_request(r);
|
|
0
|
825 return;
|
|
|
826 }
|
|
|
827
|
|
|
828
|
|
|
829 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
830 sizeof(ngx_table_elt_t))
|
|
454
|
831 != NGX_OK)
|
|
0
|
832 {
|
|
|
833 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
834 return;
|
|
|
835 }
|
|
|
836
|
|
|
837
|
|
48
|
838 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
839 sizeof(ngx_table_elt_t *))
|
|
454
|
840 != NGX_OK)
|
|
0
|
841 {
|
|
|
842 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
843 return;
|
|
|
844 }
|
|
|
845
|
|
32
|
846 c->log->action = "reading client request headers";
|
|
0
|
847
|
|
58
|
848 rev->handler = ngx_http_process_request_headers;
|
|
0
|
849 ngx_http_process_request_headers(rev);
|
|
|
850
|
|
|
851 return;
|
|
54
|
852 }
|
|
|
853
|
|
|
854 if (rc != NGX_AGAIN) {
|
|
0
|
855
|
|
|
856 /* there was error while a request line parsing */
|
|
|
857
|
|
54
|
858 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
859 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
860 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
861 return;
|
|
|
862 }
|
|
|
863
|
|
|
864 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
865
|
|
|
866 if (r->header_in->pos == r->header_in->end) {
|
|
|
867
|
|
|
868 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
869
|
|
|
870 if (rv == NGX_ERROR) {
|
|
|
871 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
872 return;
|
|
|
873 }
|
|
|
874
|
|
|
875 if (rv == NGX_DECLINED) {
|
|
54
|
876 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
877 r->request_line.data = r->request_start;
|
|
|
878
|
|
|
879 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
880 "client sent too long URI");
|
|
|
881 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
882 return;
|
|
|
883 }
|
|
|
884 }
|
|
|
885 }
|
|
|
886 }
|
|
|
887
|
|
|
888
|
|
50
|
889 static void
|
|
|
890 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
891 {
|
|
500
|
892 u_char *p;
|
|
|
893 size_t len;
|
|
56
|
894 ssize_t n;
|
|
|
895 ngx_int_t rc, rv;
|
|
58
|
896 ngx_table_elt_t *h;
|
|
56
|
897 ngx_connection_t *c;
|
|
|
898 ngx_http_header_t *hh;
|
|
|
899 ngx_http_request_t *r;
|
|
60
|
900 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
901 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
902
|
|
|
903 c = rev->data;
|
|
|
904 r = c->data;
|
|
|
905
|
|
|
906 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
907 "http process request header line");
|
|
|
908
|
|
|
909 if (rev->timedout) {
|
|
54
|
910 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
911 c->timedout = 1;
|
|
|
912 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
913 return;
|
|
|
914 }
|
|
|
915
|
|
56
|
916 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
917 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
918
|
|
0
|
919 rc = NGX_AGAIN;
|
|
|
920
|
|
|
921 for ( ;; ) {
|
|
|
922
|
|
|
923 if (rc == NGX_AGAIN) {
|
|
|
924
|
|
|
925 if (r->header_in->pos == r->header_in->end) {
|
|
|
926
|
|
|
927 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
928
|
|
|
929 if (rv == NGX_ERROR) {
|
|
|
930 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
931 return;
|
|
|
932 }
|
|
|
933
|
|
|
934 if (rv == NGX_DECLINED) {
|
|
500
|
935 len = r->header_in->end - r->header_name_start;
|
|
|
936 p = r->header_name_start;
|
|
|
937
|
|
|
938 if (len > NGX_MAX_ERROR_STR - 300) {
|
|
|
939 len = NGX_MAX_ERROR_STR - 300;
|
|
|
940 p[len++] = '.'; p[len++] = '.'; p[len++] = '.';
|
|
80
|
941 }
|
|
|
942
|
|
54
|
943 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
500
|
944 "client sent too long header line: \"%*s\"",
|
|
|
945 len, r->header_name_start);
|
|
330
|
946 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
947 return;
|
|
|
948 }
|
|
|
949 }
|
|
|
950
|
|
|
951 n = ngx_http_read_request_header(r);
|
|
|
952
|
|
|
953 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
954 return;
|
|
|
955 }
|
|
|
956 }
|
|
|
957
|
|
412
|
958 rc = ngx_http_parse_header_line(r, r->header_in,
|
|
|
959 cscf->underscores_in_headers);
|
|
0
|
960
|
|
|
961 if (rc == NGX_OK) {
|
|
|
962
|
|
60
|
963 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
964
|
|
|
965 /* there was error while a header line parsing */
|
|
|
966
|
|
54
|
967 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
500
|
968 "client sent invalid header line: \"%*s\"",
|
|
|
969 r->header_end - r->header_name_start,
|
|
|
970 r->header_name_start);
|
|
52
|
971 continue;
|
|
|
972 }
|
|
|
973
|
|
0
|
974 /* a header line has been parsed successfully */
|
|
|
975
|
|
50
|
976 h = ngx_list_push(&r->headers_in.headers);
|
|
|
977 if (h == NULL) {
|
|
0
|
978 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
979 return;
|
|
|
980 }
|
|
|
981
|
|
56
|
982 h->hash = r->header_hash;
|
|
|
983
|
|
0
|
984 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
985 h->key.data = r->header_name_start;
|
|
|
986 h->key.data[h->key.len] = '\0';
|
|
|
987
|
|
|
988 h->value.len = r->header_end - r->header_start;
|
|
|
989 h->value.data = r->header_start;
|
|
|
990 h->value.data[h->value.len] = '\0';
|
|
|
991
|
|
382
|
992 h->lowcase_key = ngx_pnalloc(r->pool, h->key.len);
|
|
198
|
993 if (h->lowcase_key == NULL) {
|
|
|
994 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
995 return;
|
|
|
996 }
|
|
|
997
|
|
|
998 if (h->key.len == r->lowcase_index) {
|
|
|
999 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1000
|
|
|
1001 } else {
|
|
392
|
1002 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
0
|
1003 }
|
|
|
1004
|
|
198
|
1005 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
1006 h->lowcase_key, h->key.len);
|
|
|
1007
|
|
|
1008 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1009 return;
|
|
|
1010 }
|
|
|
1011
|
|
0
|
1012 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1013 "http header: \"%V: %V\"",
|
|
|
1014 &h->key, &h->value);
|
|
0
|
1015
|
|
|
1016 continue;
|
|
54
|
1017 }
|
|
|
1018
|
|
|
1019 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
1020
|
|
|
1021 /* a whole header has been parsed successfully */
|
|
|
1022
|
|
|
1023 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1024 "http header done");
|
|
|
1025
|
|
24
|
1026 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
1027
|
|
0
|
1028 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
1029
|
|
|
1030 rc = ngx_http_process_request_header(r);
|
|
|
1031
|
|
|
1032 if (rc != NGX_OK) {
|
|
|
1033 return;
|
|
|
1034 }
|
|
|
1035
|
|
308
|
1036 ngx_http_process_request(r);
|
|
86
|
1037
|
|
0
|
1038 return;
|
|
54
|
1039 }
|
|
|
1040
|
|
|
1041 if (rc == NGX_AGAIN) {
|
|
|
1042
|
|
|
1043 /* a header line parsing is still not complete */
|
|
|
1044
|
|
|
1045 continue;
|
|
0
|
1046 }
|
|
|
1047
|
|
54
|
1048 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
1049
|
|
|
1050 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
500
|
1051 "client sent invalid header line: \"%*s\\r...\"",
|
|
|
1052 r->header_end - r->header_name_start,
|
|
|
1053 r->header_name_start);
|
|
330
|
1054 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
1055 return;
|
|
0
|
1056 }
|
|
|
1057 }
|
|
|
1058
|
|
|
1059
|
|
50
|
1060 static ssize_t
|
|
|
1061 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
1062 {
|
|
|
1063 ssize_t n;
|
|
|
1064 ngx_event_t *rev;
|
|
230
|
1065 ngx_connection_t *c;
|
|
0
|
1066 ngx_http_core_srv_conf_t *cscf;
|
|
|
1067
|
|
230
|
1068 c = r->connection;
|
|
|
1069 rev = c->read;
|
|
0
|
1070
|
|
|
1071 n = r->header_in->last - r->header_in->pos;
|
|
|
1072
|
|
|
1073 if (n > 0) {
|
|
|
1074 return n;
|
|
|
1075 }
|
|
|
1076
|
|
72
|
1077 if (rev->ready) {
|
|
230
|
1078 n = c->recv(c, r->header_in->last,
|
|
|
1079 r->header_in->end - r->header_in->last);
|
|
72
|
1080 } else {
|
|
|
1081 n = NGX_AGAIN;
|
|
0
|
1082 }
|
|
|
1083
|
|
|
1084 if (n == NGX_AGAIN) {
|
|
364
|
1085 if (!rev->timer_set) {
|
|
0
|
1086 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1087 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1088 }
|
|
|
1089
|
|
430
|
1090 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
1091 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1092 return NGX_ERROR;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 return NGX_AGAIN;
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 if (n == 0) {
|
|
230
|
1099 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1100 "client closed prematurely connection");
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1104 c->error = 1;
|
|
|
1105 c->log->action = "reading client request headers";
|
|
|
1106
|
|
|
1107 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1108 return NGX_ERROR;
|
|
|
1109 }
|
|
|
1110
|
|
|
1111 r->header_in->last += n;
|
|
|
1112
|
|
|
1113 return n;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116
|
|
50
|
1117 static ngx_int_t
|
|
|
1118 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1119 ngx_uint_t request_line)
|
|
0
|
1120 {
|
|
|
1121 u_char *old, *new;
|
|
|
1122 ngx_buf_t *b;
|
|
|
1123 ngx_http_connection_t *hc;
|
|
|
1124 ngx_http_core_srv_conf_t *cscf;
|
|
|
1125
|
|
|
1126 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1127 "http alloc large header buffer");
|
|
|
1128
|
|
|
1129 if (request_line && r->state == 0) {
|
|
|
1130
|
|
|
1131 /* the client fills up the buffer with "\r\n" */
|
|
|
1132
|
|
24
|
1133 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1134
|
|
0
|
1135 r->header_in->pos = r->header_in->start;
|
|
|
1136 r->header_in->last = r->header_in->start;
|
|
|
1137
|
|
|
1138 return NGX_OK;
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1142
|
|
|
1143 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1144
|
|
|
1145 if (r->state != 0
|
|
|
1146 && (size_t) (r->header_in->pos - old)
|
|
|
1147 >= cscf->large_client_header_buffers.size)
|
|
|
1148 {
|
|
|
1149 return NGX_DECLINED;
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 hc = r->http_connection;
|
|
|
1153
|
|
|
1154 if (hc->nfree) {
|
|
|
1155 b = hc->free[--hc->nfree];
|
|
|
1156
|
|
|
1157 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1158 "http large header free: %p %uz",
|
|
0
|
1159 b->pos, b->end - b->last);
|
|
|
1160
|
|
|
1161 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1162
|
|
|
1163 if (hc->busy == NULL) {
|
|
|
1164 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1165 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1166 if (hc->busy == NULL) {
|
|
|
1167 return NGX_ERROR;
|
|
|
1168 }
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1172 cscf->large_client_header_buffers.size);
|
|
|
1173 if (b == NULL) {
|
|
|
1174 return NGX_ERROR;
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1178 "http large header alloc: %p %uz",
|
|
0
|
1179 b->pos, b->end - b->last);
|
|
|
1180
|
|
|
1181 } else {
|
|
|
1182 return NGX_DECLINED;
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 hc->busy[hc->nbusy++] = b;
|
|
|
1186
|
|
|
1187 if (r->state == 0) {
|
|
|
1188 /*
|
|
|
1189 * r->state == 0 means that a header line was parsed successfully
|
|
|
1190 * and we do not need to copy incomplete header line and
|
|
|
1191 * to relocate the parser header pointers
|
|
|
1192 */
|
|
|
1193
|
|
24
|
1194 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1195
|
|
0
|
1196 r->header_in = b;
|
|
|
1197
|
|
|
1198 return NGX_OK;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1202 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1203
|
|
24
|
1204 r->request_length += old - r->header_in->start;
|
|
|
1205
|
|
0
|
1206 new = b->start;
|
|
|
1207
|
|
|
1208 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1209
|
|
|
1210 b->pos = new + (r->header_in->pos - old);
|
|
|
1211 b->last = new + (r->header_in->pos - old);
|
|
|
1212
|
|
|
1213 if (request_line) {
|
|
|
1214 r->request_start = new;
|
|
|
1215
|
|
|
1216 if (r->request_end) {
|
|
|
1217 r->request_end = new + (r->request_end - old);
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 r->method_end = new + (r->method_end - old);
|
|
|
1221
|
|
|
1222 r->uri_start = new + (r->uri_start - old);
|
|
|
1223 r->uri_end = new + (r->uri_end - old);
|
|
|
1224
|
|
|
1225 if (r->schema_start) {
|
|
|
1226 r->schema_start = new + (r->schema_start - old);
|
|
|
1227 r->schema_end = new + (r->schema_end - old);
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 if (r->host_start) {
|
|
|
1231 r->host_start = new + (r->host_start - old);
|
|
270
|
1232 if (r->host_end) {
|
|
|
1233 r->host_end = new + (r->host_end - old);
|
|
|
1234 }
|
|
0
|
1235 }
|
|
|
1236
|
|
|
1237 if (r->port_start) {
|
|
|
1238 r->port_start = new + (r->port_start - old);
|
|
|
1239 r->port_end = new + (r->port_end - old);
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 if (r->uri_ext) {
|
|
|
1243 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1244 }
|
|
|
1245
|
|
|
1246 if (r->args_start) {
|
|
|
1247 r->args_start = new + (r->args_start - old);
|
|
|
1248 }
|
|
|
1249
|
|
354
|
1250 if (r->http_protocol.data) {
|
|
|
1251 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1252 }
|
|
|
1253
|
|
0
|
1254 } else {
|
|
|
1255 r->header_name_start = new;
|
|
|
1256 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1257 r->header_start = new + (r->header_start - old);
|
|
|
1258 r->header_end = new + (r->header_end - old);
|
|
|
1259 }
|
|
|
1260
|
|
|
1261 r->header_in = b;
|
|
|
1262
|
|
|
1263 return NGX_OK;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266
|
|
50
|
1267 static ngx_int_t
|
|
58
|
1268 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1269 ngx_uint_t offset)
|
|
|
1270 {
|
|
|
1271 ngx_table_elt_t **ph;
|
|
|
1272
|
|
|
1273 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1274
|
|
|
1275 if (*ph == NULL) {
|
|
|
1276 *ph = h;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 return NGX_OK;
|
|
|
1280 }
|
|
|
1281
|
|
|
1282
|
|
|
1283 static ngx_int_t
|
|
72
|
1284 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1285 ngx_uint_t offset)
|
|
|
1286 {
|
|
|
1287 ngx_table_elt_t **ph;
|
|
|
1288
|
|
|
1289 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1290
|
|
|
1291 if (*ph == NULL) {
|
|
|
1292 *ph = h;
|
|
|
1293 return NGX_OK;
|
|
|
1294 }
|
|
|
1295
|
|
|
1296 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1297 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1298 "previous value: \"%V: %V\"",
|
|
|
1299 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1300
|
|
|
1301 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1302
|
|
|
1303 return NGX_ERROR;
|
|
|
1304 }
|
|
|
1305
|
|
|
1306
|
|
|
1307 static ngx_int_t
|
|
376
|
1308 ngx_http_process_host(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1309 ngx_uint_t offset)
|
|
|
1310 {
|
|
|
1311 ssize_t len;
|
|
|
1312
|
|
|
1313 if (r->headers_in.host == NULL) {
|
|
|
1314 r->headers_in.host = h;
|
|
|
1315 }
|
|
|
1316
|
|
|
1317 len = ngx_http_validate_host(h->value.data, h->value.len);
|
|
|
1318
|
|
|
1319 if (len <= 0) {
|
|
|
1320 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1321 "client sent invalid host header");
|
|
|
1322 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1323 return NGX_ERROR;
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 if (r->headers_in.server.len) {
|
|
|
1327 return NGX_OK;
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 r->headers_in.server.len = len;
|
|
|
1331 r->headers_in.server.data = h->value.data;
|
|
|
1332
|
|
|
1333 return NGX_OK;
|
|
|
1334 }
|
|
|
1335
|
|
|
1336
|
|
|
1337 static ngx_int_t
|
|
336
|
1338 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1339 ngx_uint_t offset)
|
|
|
1340 {
|
|
340
|
1341 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1342 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1343
|
|
340
|
1344 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1345 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1346 }
|
|
|
1347
|
|
|
1348 return NGX_OK;
|
|
|
1349 }
|
|
|
1350
|
|
|
1351
|
|
|
1352 static ngx_int_t
|
|
376
|
1353 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1354 ngx_uint_t offset)
|
|
|
1355 {
|
|
400
|
1356 u_char *user_agent, *msie;
|
|
376
|
1357
|
|
|
1358 if (r->headers_in.user_agent) {
|
|
|
1359 return NGX_OK;
|
|
|
1360 }
|
|
|
1361
|
|
|
1362 r->headers_in.user_agent = h;
|
|
|
1363
|
|
|
1364 /* check some widespread browsers while the header is in CPU cache */
|
|
|
1365
|
|
|
1366 user_agent = h->value.data;
|
|
|
1367
|
|
400
|
1368 msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);
|
|
|
1369
|
|
|
1370 if (msie && msie + 7 < user_agent + h->value.len) {
|
|
376
|
1371
|
|
|
1372 r->headers_in.msie = 1;
|
|
|
1373
|
|
400
|
1374 if (msie[6] == '.') {
|
|
|
1375
|
|
|
1376 switch (msie[5]) {
|
|
|
1377 case '4':
|
|
|
1378 r->headers_in.msie4 = 1;
|
|
|
1379 /* fall through */
|
|
|
1380 case '5':
|
|
502
|
1381 r->headers_in.msie6 = 1;
|
|
|
1382 break;
|
|
400
|
1383 case '6':
|
|
502
|
1384 if (ngx_strstrn(msie + 8, "SV1", 3 - 1) == NULL) {
|
|
|
1385 r->headers_in.msie6 = 1;
|
|
|
1386 }
|
|
|
1387 break;
|
|
400
|
1388 }
|
|
376
|
1389 }
|
|
|
1390
|
|
|
1391 #if 0
|
|
|
1392 /* MSIE ignores the SSL "close notify" alert */
|
|
|
1393 if (c->ssl) {
|
|
|
1394 c->ssl->no_send_shutdown = 1;
|
|
|
1395 }
|
|
|
1396 #endif
|
|
|
1397 }
|
|
|
1398
|
|
|
1399 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
|
1400 r->headers_in.opera = 1;
|
|
|
1401 r->headers_in.msie = 0;
|
|
|
1402 r->headers_in.msie4 = 0;
|
|
400
|
1403 r->headers_in.msie6 = 0;
|
|
376
|
1404 }
|
|
|
1405
|
|
|
1406 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1407
|
|
|
1408 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
|
1409 r->headers_in.gecko = 1;
|
|
|
1410
|
|
|
1411 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
|
1412 r->headers_in.konqueror = 1;
|
|
|
1413 }
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 return NGX_OK;
|
|
|
1417 }
|
|
|
1418
|
|
|
1419
|
|
|
1420 static ngx_int_t
|
|
58
|
1421 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1422 ngx_uint_t offset)
|
|
|
1423 {
|
|
|
1424 ngx_table_elt_t **cookie;
|
|
|
1425
|
|
|
1426 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1427 if (cookie) {
|
|
|
1428 *cookie = h;
|
|
|
1429 return NGX_OK;
|
|
58
|
1430 }
|
|
|
1431
|
|
72
|
1432 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1433
|
|
|
1434 return NGX_ERROR;
|
|
58
|
1435 }
|
|
|
1436
|
|
|
1437
|
|
|
1438 static ngx_int_t
|
|
50
|
1439 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1440 {
|
|
376
|
1441 if (ngx_http_find_virtual_server(r, r->headers_in.server.data,
|
|
|
1442 r->headers_in.server.len)
|
|
|
1443 == NGX_ERROR)
|
|
|
1444 {
|
|
|
1445 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1446 return NGX_ERROR;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {
|
|
|
1450 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1451 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1452 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1453 return NGX_ERROR;
|
|
0
|
1454 }
|
|
|
1455
|
|
|
1456 if (r->headers_in.content_length) {
|
|
|
1457 r->headers_in.content_length_n =
|
|
212
|
1458 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1459 r->headers_in.content_length->value.len);
|
|
|
1460
|
|
|
1461 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1462 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1463 "client sent invalid \"Content-Length\" header");
|
|
130
|
1464 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1465 return NGX_ERROR;
|
|
0
|
1466 }
|
|
|
1467 }
|
|
|
1468
|
|
426
|
1469 if (r->method & NGX_HTTP_PUT && r->headers_in.content_length_n == -1) {
|
|
54
|
1470 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1471 "client sent %V method without \"Content-Length\" header",
|
|
|
1472 &r->method_name);
|
|
130
|
1473 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1474 return NGX_ERROR;
|
|
|
1475 }
|
|
|
1476
|
|
336
|
1477 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1478 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1479 "client sent TRACE method");
|
|
|
1480 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1481 return NGX_ERROR;
|
|
|
1482 }
|
|
|
1483
|
|
130
|
1484 if (r->headers_in.transfer_encoding
|
|
340
|
1485 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1486 "chunked", 7 - 1))
|
|
130
|
1487 {
|
|
|
1488 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1489 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1490 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1491 return NGX_ERROR;
|
|
0
|
1492 }
|
|
|
1493
|
|
336
|
1494 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1495 if (r->headers_in.keep_alive) {
|
|
|
1496 r->headers_in.keep_alive_n =
|
|
|
1497 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1498 r->headers_in.keep_alive->value.len);
|
|
0
|
1499 }
|
|
|
1500 }
|
|
|
1501
|
|
308
|
1502 return NGX_OK;
|
|
|
1503 }
|
|
|
1504
|
|
|
1505
|
|
|
1506 static void
|
|
|
1507 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1508 {
|
|
356
|
1509 ngx_connection_t *c;
|
|
308
|
1510
|
|
|
1511 c = r->connection;
|
|
|
1512
|
|
354
|
1513 if (r->plain_http) {
|
|
|
1514 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1515 "client sent plain HTTP request to HTTPS port");
|
|
|
1516 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1517 return;
|
|
|
1518 }
|
|
|
1519
|
|
308
|
1520 #if (NGX_HTTP_SSL)
|
|
|
1521
|
|
|
1522 if (c->ssl) {
|
|
356
|
1523 long rc;
|
|
372
|
1524 X509 *cert;
|
|
356
|
1525 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1526
|
|
218
|
1527 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1528
|
|
502
|
1529 if (sscf->verify) {
|
|
308
|
1530 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1531
|
|
|
1532 if (rc != X509_V_OK) {
|
|
308
|
1533 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1534 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1535 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1536
|
|
|
1537 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1538 (SSL_get0_session(c->ssl->connection)));
|
|
|
1539
|
|
218
|
1540 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1541 return;
|
|
218
|
1542 }
|
|
|
1543
|
|
502
|
1544 if (sscf->verify == 1) {
|
|
|
1545 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1546
|
|
|
1547 if (cert == NULL) {
|
|
|
1548 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1549 "client sent no required SSL certificate");
|
|
|
1550
|
|
|
1551 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
366
|
1552 (SSL_get0_session(c->ssl->connection)));
|
|
|
1553
|
|
502
|
1554 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
|
1555 return;
|
|
|
1556 }
|
|
|
1557
|
|
|
1558 X509_free(cert);
|
|
218
|
1559 }
|
|
|
1560 }
|
|
|
1561 }
|
|
|
1562
|
|
|
1563 #endif
|
|
|
1564
|
|
308
|
1565 if (c->read->timer_set) {
|
|
|
1566 ngx_del_timer(c->read);
|
|
|
1567 }
|
|
|
1568
|
|
|
1569 #if (NGX_STAT_STUB)
|
|
498
|
1570 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
308
|
1571 r->stat_reading = 0;
|
|
498
|
1572 (void) ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
308
|
1573 r->stat_writing = 1;
|
|
|
1574 #endif
|
|
|
1575
|
|
|
1576 c->read->handler = ngx_http_request_handler;
|
|
|
1577 c->write->handler = ngx_http_request_handler;
|
|
326
|
1578 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1579
|
|
|
1580 ngx_http_handler(r);
|
|
|
1581
|
|
426
|
1582 ngx_http_run_posted_requests(c);
|
|
0
|
1583 }
|
|
|
1584
|
|
|
1585
|
|
376
|
1586 static ssize_t
|
|
|
1587 ngx_http_validate_host(u_char *host, size_t len)
|
|
26
|
1588 {
|
|
376
|
1589 u_char ch;
|
|
|
1590 size_t i, last;
|
|
|
1591 ngx_uint_t dot;
|
|
|
1592
|
|
|
1593 last = len;
|
|
|
1594 dot = 0;
|
|
|
1595
|
|
|
1596 for (i = 0; i < len; i++) {
|
|
|
1597 ch = host[i];
|
|
|
1598
|
|
|
1599 if (ch == '.') {
|
|
|
1600 if (dot) {
|
|
|
1601 return -1;
|
|
|
1602 }
|
|
|
1603
|
|
|
1604 dot = 1;
|
|
|
1605 continue;
|
|
|
1606 }
|
|
|
1607
|
|
|
1608 dot = 0;
|
|
|
1609
|
|
|
1610 if (ch == ':') {
|
|
|
1611 last = i;
|
|
|
1612 continue;
|
|
|
1613 }
|
|
|
1614
|
|
482
|
1615 if (ngx_path_separator(ch) || ch == '\0') {
|
|
376
|
1616 return -1;
|
|
|
1617 }
|
|
|
1618 }
|
|
|
1619
|
|
|
1620 if (dot) {
|
|
|
1621 last--;
|
|
|
1622 }
|
|
|
1623
|
|
|
1624 return last;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627
|
|
|
1628 static ngx_int_t
|
|
|
1629 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len)
|
|
|
1630 {
|
|
392
|
1631 u_char *server;
|
|
|
1632 ngx_uint_t hash;
|
|
142
|
1633 ngx_http_core_loc_conf_t *clcf;
|
|
|
1634 ngx_http_core_srv_conf_t *cscf;
|
|
376
|
1635 u_char buf[32];
|
|
|
1636
|
|
478
|
1637 if (r->virtual_names == NULL) {
|
|
376
|
1638 return NGX_DECLINED;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 if (len <= 32) {
|
|
|
1642 server = buf;
|
|
|
1643
|
|
|
1644 } else {
|
|
382
|
1645 server = ngx_pnalloc(r->pool, len);
|
|
376
|
1646 if (server == NULL) {
|
|
|
1647 return NGX_ERROR;
|
|
|
1648 }
|
|
|
1649 }
|
|
|
1650
|
|
392
|
1651 hash = ngx_hash_strlow(server, host, len);
|
|
376
|
1652
|
|
478
|
1653 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, server, len);
|
|
312
|
1654
|
|
|
1655 if (cscf) {
|
|
|
1656 goto found;
|
|
26
|
1657 }
|
|
|
1658
|
|
326
|
1659 #if (NGX_PCRE)
|
|
|
1660
|
|
478
|
1661 if (r->virtual_names->nregex) {
|
|
460
|
1662 size_t ncaptures;
|
|
356
|
1663 ngx_int_t n;
|
|
|
1664 ngx_uint_t i;
|
|
|
1665 ngx_str_t name;
|
|
|
1666 ngx_http_server_name_t *sn;
|
|
326
|
1667
|
|
|
1668 name.len = len;
|
|
376
|
1669 name.data = server;
|
|
326
|
1670
|
|
456
|
1671 ncaptures = 0;
|
|
|
1672
|
|
478
|
1673 sn = r->virtual_names->regex;
|
|
|
1674
|
|
|
1675 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
326
|
1676
|
|
456
|
1677 if (sn[i].captures && r->captures == NULL) {
|
|
|
1678
|
|
458
|
1679 ncaptures = (NGX_HTTP_MAX_CAPTURES + 1) * 3;
|
|
|
1680
|
|
|
1681 r->captures = ngx_palloc(r->pool, ncaptures * sizeof(int));
|
|
456
|
1682 if (r->captures == NULL) {
|
|
|
1683 return NGX_ERROR;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 if (server == buf) {
|
|
|
1687 server = ngx_pnalloc(r->pool, len);
|
|
|
1688 if (server == NULL) {
|
|
|
1689 return NGX_ERROR;
|
|
|
1690 }
|
|
|
1691
|
|
|
1692 ngx_memcpy(server, buf, len);
|
|
|
1693 name.data = server;
|
|
|
1694 }
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 n = ngx_regex_exec(sn[i].regex, &name, r->captures, ncaptures);
|
|
326
|
1698
|
|
|
1699 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1700 continue;
|
|
|
1701 }
|
|
|
1702
|
|
|
1703 if (n < 0) {
|
|
|
1704 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1705 ngx_regex_exec_n
|
|
|
1706 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1707 n, &name, &sn[i].name);
|
|
376
|
1708 return NGX_ERROR;
|
|
326
|
1709 }
|
|
|
1710
|
|
|
1711 /* match */
|
|
|
1712
|
|
|
1713 cscf = sn[i].core_srv_conf;
|
|
|
1714
|
|
456
|
1715 r->ncaptures = ncaptures;
|
|
|
1716 r->captures_data = server;
|
|
|
1717
|
|
326
|
1718 goto found;
|
|
|
1719 }
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 #endif
|
|
|
1723
|
|
376
|
1724 return NGX_OK;
|
|
58
|
1725
|
|
|
1726 found:
|
|
|
1727
|
|
142
|
1728 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1729 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1730
|
|
|
1731 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
484
|
1732 r->connection->log->file = clcf->error_log->file;
|
|
58
|
1733
|
|
|
1734 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
484
|
1735 r->connection->log->log_level = clcf->error_log->log_level;
|
|
26
|
1736 }
|
|
|
1737
|
|
376
|
1738 return NGX_OK;
|
|
26
|
1739 }
|
|
|
1740
|
|
|
1741
|
|
58
|
1742 static void
|
|
|
1743 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1744 {
|
|
|
1745 ngx_connection_t *c;
|
|
|
1746 ngx_http_request_t *r;
|
|
214
|
1747 ngx_http_log_ctx_t *ctx;
|
|
58
|
1748
|
|
|
1749 c = ev->data;
|
|
|
1750 r = c->data;
|
|
|
1751
|
|
214
|
1752 ctx = c->log->data;
|
|
|
1753 ctx->current_request = r;
|
|
|
1754
|
|
426
|
1755 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1756 "http run request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1757
|
|
58
|
1758 if (ev->write) {
|
|
|
1759 r->write_event_handler(r);
|
|
|
1760
|
|
|
1761 } else {
|
|
|
1762 r->read_event_handler(r);
|
|
|
1763 }
|
|
426
|
1764
|
|
|
1765 ngx_http_run_posted_requests(c);
|
|
|
1766 }
|
|
|
1767
|
|
|
1768
|
|
|
1769 void
|
|
|
1770 ngx_http_run_posted_requests(ngx_connection_t *c)
|
|
|
1771 {
|
|
|
1772 ngx_http_request_t *r;
|
|
|
1773 ngx_http_log_ctx_t *ctx;
|
|
|
1774 ngx_http_posted_request_t *pr;
|
|
|
1775
|
|
|
1776 for ( ;; ) {
|
|
|
1777
|
|
|
1778 if (c->destroyed) {
|
|
|
1779 return;
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 r = c->data;
|
|
|
1783 pr = r->main->posted_requests;
|
|
|
1784
|
|
|
1785 if (pr == NULL) {
|
|
|
1786 return;
|
|
|
1787 }
|
|
|
1788
|
|
|
1789 r->main->posted_requests = pr->next;
|
|
|
1790
|
|
|
1791 r = pr->request;
|
|
|
1792
|
|
|
1793 ctx = c->log->data;
|
|
|
1794 ctx->current_request = r;
|
|
|
1795
|
|
|
1796 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1797 "http posted request: \"%V?%V\"", &r->uri, &r->args);
|
|
|
1798
|
|
|
1799 r->write_event_handler(r);
|
|
|
1800 }
|
|
|
1801 }
|
|
|
1802
|
|
|
1803
|
|
|
1804 ngx_int_t
|
|
|
1805 ngx_http_post_request(ngx_http_request_t *r)
|
|
|
1806 {
|
|
|
1807 ngx_http_posted_request_t *pr, **p;
|
|
|
1808
|
|
|
1809 pr = ngx_palloc(r->pool, sizeof(ngx_http_posted_request_t));
|
|
|
1810 if (pr == NULL) {
|
|
|
1811 return NGX_ERROR;
|
|
|
1812 }
|
|
|
1813
|
|
|
1814 pr->request = r;
|
|
|
1815 pr->next = NULL;
|
|
|
1816
|
|
|
1817 for (p = &r->main->posted_requests; *p; p = &(*p)->next) { /* void */ }
|
|
|
1818
|
|
|
1819 *p = pr;
|
|
|
1820
|
|
|
1821 return NGX_OK;
|
|
58
|
1822 }
|
|
|
1823
|
|
|
1824
|
|
50
|
1825 void
|
|
58
|
1826 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1827 {
|
|
330
|
1828 ngx_connection_t *c;
|
|
58
|
1829 ngx_http_request_t *pr;
|
|
0
|
1830 ngx_http_core_loc_conf_t *clcf;
|
|
|
1831
|
|
58
|
1832 if (rc == NGX_DONE) {
|
|
118
|
1833 /* the request pool may be already destroyed */
|
|
58
|
1834 return;
|
|
|
1835 }
|
|
|
1836
|
|
330
|
1837 c = r->connection;
|
|
|
1838
|
|
426
|
1839 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1840 "http finalize request: %d, \"%V?%V\" %d",
|
|
|
1841 rc, &r->uri, &r->args, r == c->data);
|
|
132
|
1842
|
|
488
|
1843 if (rc == NGX_OK && r->filter_finalize) {
|
|
|
1844 c->error = 1;
|
|
|
1845 return;
|
|
|
1846 }
|
|
|
1847
|
|
230
|
1848 if (rc == NGX_DECLINED) {
|
|
|
1849 r->content_handler = NULL;
|
|
|
1850 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1851 ngx_http_core_run_phases(r);
|
|
|
1852 return;
|
|
|
1853 }
|
|
|
1854
|
|
248
|
1855 if (r != r->main && r->post_subrequest) {
|
|
|
1856 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1857 }
|
|
|
1858
|
|
358
|
1859 if (rc == NGX_ERROR
|
|
|
1860 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1861 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1862 || c->error)
|
|
|
1863 {
|
|
282
|
1864 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1865 r->headers_out.status = rc;
|
|
190
|
1866 }
|
|
|
1867
|
|
162
|
1868 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1869 return;
|
|
|
1870 }
|
|
|
1871
|
|
118
|
1872 ngx_http_close_request(r, 0);
|
|
0
|
1873 return;
|
|
|
1874 }
|
|
|
1875
|
|
186
|
1876 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1877 || rc == NGX_HTTP_CREATED
|
|
|
1878 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1879 {
|
|
136
|
1880 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1881 ngx_http_close_request(r, rc);
|
|
|
1882 return;
|
|
|
1883 }
|
|
|
1884
|
|
146
|
1885 if (r == r->main) {
|
|
330
|
1886 if (c->read->timer_set) {
|
|
|
1887 ngx_del_timer(c->read);
|
|
118
|
1888 }
|
|
|
1889
|
|
330
|
1890 if (c->write->timer_set) {
|
|
|
1891 ngx_del_timer(c->write);
|
|
118
|
1892 }
|
|
|
1893 }
|
|
|
1894
|
|
410
|
1895 c->read->handler = ngx_http_request_handler;
|
|
|
1896 c->write->handler = ngx_http_request_handler;
|
|
|
1897
|
|
118
|
1898 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1899 return;
|
|
|
1900 }
|
|
|
1901
|
|
426
|
1902 if (r != r->main) {
|
|
|
1903
|
|
|
1904 if (r->buffered || r->postponed) {
|
|
|
1905
|
|
|
1906 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1907 ngx_http_close_request(r->main, 0);
|
|
|
1908 }
|
|
|
1909
|
|
74
|
1910 return;
|
|
|
1911 }
|
|
426
|
1912
|
|
|
1913 #if (NGX_DEBUG)
|
|
|
1914 if (r != c->data) {
|
|
|
1915 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1916 "http finalize non-active request: \"%V?%V\"",
|
|
|
1917 &r->uri, &r->args);
|
|
|
1918 }
|
|
|
1919 #endif
|
|
58
|
1920
|
|
|
1921 pr = r->parent;
|
|
|
1922
|
|
426
|
1923 if (r == c->data) {
|
|
|
1924
|
|
|
1925 if (!r->logged) {
|
|
|
1926
|
|
|
1927 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1928
|
|
|
1929 if (clcf->log_subrequest) {
|
|
|
1930 ngx_http_log_request(r);
|
|
|
1931 }
|
|
|
1932
|
|
|
1933 r->logged = 1;
|
|
|
1934
|
|
|
1935 } else {
|
|
|
1936 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1937 "subrequest: \"%V?%V\" logged again",
|
|
|
1938 &r->uri, &r->args);
|
|
|
1939 }
|
|
|
1940
|
|
|
1941 r->done = 1;
|
|
|
1942
|
|
|
1943 if (pr->postponed && pr->postponed->request == r) {
|
|
|
1944 pr->postponed = pr->postponed->next;
|
|
|
1945 }
|
|
|
1946
|
|
|
1947 c->data = pr;
|
|
|
1948
|
|
|
1949 } else {
|
|
|
1950
|
|
|
1951 r->write_event_handler = ngx_http_request_finalizer;
|
|
|
1952
|
|
|
1953 if (r->waited) {
|
|
|
1954 r->done = 1;
|
|
|
1955 }
|
|
|
1956 }
|
|
|
1957
|
|
|
1958 if (ngx_http_post_request(pr) != NGX_OK) {
|
|
|
1959 ngx_http_close_request(r->main, 0);
|
|
|
1960 return;
|
|
|
1961 }
|
|
|
1962
|
|
330
|
1963 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
426
|
1964 "http wake parent request: \"%V?%V\"",
|
|
|
1965 &pr->uri, &pr->args);
|
|
|
1966
|
|
|
1967 return;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970 if (r->buffered || c->buffered || r->postponed) {
|
|
|
1971
|
|
|
1972 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1973 ngx_http_close_request(r, 0);
|
|
58
|
1974 }
|
|
|
1975
|
|
|
1976 return;
|
|
|
1977 }
|
|
0
|
1978
|
|
426
|
1979 if (r != c->data) {
|
|
|
1980 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1981 "http finalize non-active request: \"%V?%V\"",
|
|
|
1982 &r->uri, &r->args);
|
|
0
|
1983 return;
|
|
76
|
1984 }
|
|
|
1985
|
|
426
|
1986 r->done = 1;
|
|
0
|
1987
|
|
178
|
1988 if (!r->post_action) {
|
|
|
1989 r->request_complete = 1;
|
|
|
1990 }
|
|
|
1991
|
|
162
|
1992 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1993 return;
|
|
|
1994 }
|
|
|
1995
|
|
330
|
1996 if (c->read->timer_set) {
|
|
|
1997 ngx_del_timer(c->read);
|
|
|
1998 }
|
|
|
1999
|
|
|
2000 if (c->write->timer_set) {
|
|
|
2001 c->write->delayed = 0;
|
|
|
2002 ngx_del_timer(c->write);
|
|
0
|
2003 }
|
|
|
2004
|
|
330
|
2005 if (c->destroyed) {
|
|
|
2006 return;
|
|
0
|
2007 }
|
|
|
2008
|
|
330
|
2009 if (c->read->eof) {
|
|
|
2010 ngx_http_close_request(r, 0);
|
|
138
|
2011 return;
|
|
|
2012 }
|
|
|
2013
|
|
426
|
2014 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2015
|
|
0
|
2016 if (!ngx_terminate
|
|
|
2017 && !ngx_exiting
|
|
378
|
2018 && r->keepalive
|
|
0
|
2019 && clcf->keepalive_timeout > 0)
|
|
|
2020 {
|
|
|
2021 ngx_http_set_keepalive(r);
|
|
|
2022 return;
|
|
|
2023
|
|
|
2024 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
2025 ngx_http_set_lingering_close(r);
|
|
|
2026 return;
|
|
|
2027 }
|
|
|
2028
|
|
|
2029 ngx_http_close_request(r, 0);
|
|
|
2030 }
|
|
|
2031
|
|
|
2032
|
|
74
|
2033 static ngx_int_t
|
|
50
|
2034 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
2035 {
|
|
|
2036 ngx_event_t *wev;
|
|
|
2037 ngx_http_core_loc_conf_t *clcf;
|
|
|
2038
|
|
58
|
2039 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
2040
|
|
326
|
2041 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
2042 r->write_event_handler = ngx_http_writer;
|
|
|
2043
|
|
0
|
2044 wev = r->connection->write;
|
|
|
2045
|
|
|
2046 if (wev->ready && wev->delayed) {
|
|
74
|
2047 return NGX_OK;
|
|
0
|
2048 }
|
|
|
2049
|
|
58
|
2050 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
2051 if (!wev->delayed) {
|
|
|
2052 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2053 }
|
|
|
2054
|
|
430
|
2055 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
0
|
2056 ngx_http_close_request(r, 0);
|
|
74
|
2057 return NGX_ERROR;
|
|
0
|
2058 }
|
|
74
|
2059
|
|
|
2060 return NGX_OK;
|
|
0
|
2061 }
|
|
|
2062
|
|
|
2063
|
|
58
|
2064 static void
|
|
|
2065 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
2066 {
|
|
|
2067 int rc;
|
|
58
|
2068 ngx_event_t *wev;
|
|
0
|
2069 ngx_connection_t *c;
|
|
|
2070 ngx_http_core_loc_conf_t *clcf;
|
|
|
2071
|
|
58
|
2072 c = r->connection;
|
|
|
2073 wev = c->write;
|
|
|
2074
|
|
132
|
2075 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2076 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2077
|
|
426
|
2078 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
|
2079
|
|
0
|
2080 if (wev->timedout) {
|
|
|
2081 if (!wev->delayed) {
|
|
54
|
2082 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
2083 "client timed out");
|
|
|
2084 c->timedout = 1;
|
|
116
|
2085
|
|
162
|
2086 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
2087 return;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 wev->timedout = 0;
|
|
|
2091 wev->delayed = 0;
|
|
|
2092
|
|
|
2093 if (!wev->ready) {
|
|
|
2094 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2095
|
|
430
|
2096 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2097 ngx_http_close_request(r, 0);
|
|
0
|
2098 }
|
|
|
2099
|
|
|
2100 return;
|
|
|
2101 }
|
|
|
2102
|
|
|
2103 } else {
|
|
|
2104 if (wev->delayed) {
|
|
|
2105 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2106 "http writer delayed");
|
|
|
2107
|
|
430
|
2108 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2109 ngx_http_close_request(r, 0);
|
|
0
|
2110 }
|
|
|
2111
|
|
|
2112 return;
|
|
|
2113 }
|
|
|
2114 }
|
|
|
2115
|
|
132
|
2116 rc = ngx_http_output_filter(r, NULL);
|
|
|
2117
|
|
|
2118 if (c->destroyed) {
|
|
|
2119 return;
|
|
58
|
2120 }
|
|
|
2121
|
|
132
|
2122 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2123 "http writer output filter: %d, \"%V?%V\"",
|
|
|
2124 rc, &r->uri, &r->args);
|
|
0
|
2125
|
|
494
|
2126 if (rc == NGX_ERROR) {
|
|
|
2127 ngx_http_finalize_request(r, rc);
|
|
|
2128 return;
|
|
|
2129 }
|
|
|
2130
|
|
426
|
2131 if (r->buffered || r->postponed || (r == r->main && c->buffered)) {
|
|
|
2132
|
|
0
|
2133 if (!wev->ready && !wev->delayed) {
|
|
|
2134 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
2135 }
|
|
|
2136
|
|
430
|
2137 if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
118
|
2138 ngx_http_close_request(r, 0);
|
|
0
|
2139 }
|
|
|
2140
|
|
426
|
2141 return;
|
|
0
|
2142 }
|
|
|
2143
|
|
132
|
2144 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
2145 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
2146
|
|
|
2147 ngx_http_finalize_request(r, rc);
|
|
|
2148 }
|
|
|
2149
|
|
|
2150
|
|
426
|
2151 static void
|
|
|
2152 ngx_http_request_finalizer(ngx_http_request_t *r)
|
|
|
2153 {
|
|
|
2154 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2155 "http finalizer done: \"%V?%V\"", &r->uri, &r->args);
|
|
|
2156
|
|
|
2157 ngx_http_finalize_request(r, 0);
|
|
|
2158 }
|
|
|
2159
|
|
|
2160
|
|
326
|
2161 void
|
|
|
2162 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
2163 {
|
|
318
|
2164 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
2165 "http reading blocked");
|
|
318
|
2166
|
|
|
2167 /* aio does not call this handler */
|
|
|
2168
|
|
|
2169 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
2170 && r->connection->read->active)
|
|
|
2171 {
|
|
430
|
2172 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
318
|
2173 ngx_http_close_request(r, 0);
|
|
|
2174 }
|
|
|
2175 }
|
|
|
2176 }
|
|
|
2177
|
|
|
2178
|
|
416
|
2179 void
|
|
326
|
2180 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
2181 {
|
|
276
|
2182 int n;
|
|
|
2183 char buf[1];
|
|
|
2184 ngx_err_t err;
|
|
|
2185 ngx_event_t *rev;
|
|
|
2186 ngx_connection_t *c;
|
|
|
2187
|
|
|
2188 c = r->connection;
|
|
|
2189 rev = c->read;
|
|
|
2190
|
|
326
|
2191 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
2192
|
|
|
2193 #if (NGX_HAVE_KQUEUE)
|
|
|
2194
|
|
|
2195 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
2196
|
|
|
2197 if (!rev->pending_eof) {
|
|
|
2198 return;
|
|
|
2199 }
|
|
|
2200
|
|
|
2201 rev->eof = 1;
|
|
|
2202 c->error = 1;
|
|
|
2203 err = rev->kq_errno;
|
|
|
2204
|
|
|
2205 goto closed;
|
|
|
2206 }
|
|
|
2207
|
|
|
2208 #endif
|
|
|
2209
|
|
|
2210 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
2211
|
|
|
2212 if (n == 0) {
|
|
|
2213 rev->eof = 1;
|
|
|
2214 c->error = 1;
|
|
|
2215 err = 0;
|
|
|
2216
|
|
|
2217 goto closed;
|
|
|
2218
|
|
|
2219 } else if (n == -1) {
|
|
|
2220 err = ngx_socket_errno;
|
|
|
2221
|
|
|
2222 if (err != NGX_EAGAIN) {
|
|
|
2223 rev->eof = 1;
|
|
|
2224 c->error = 1;
|
|
|
2225
|
|
|
2226 goto closed;
|
|
|
2227 }
|
|
|
2228 }
|
|
0
|
2229
|
|
|
2230 /* aio does not call this handler */
|
|
|
2231
|
|
276
|
2232 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
2233
|
|
430
|
2234 if (ngx_del_event(rev, NGX_READ_EVENT, 0) != NGX_OK) {
|
|
0
|
2235 ngx_http_close_request(r, 0);
|
|
|
2236 }
|
|
|
2237 }
|
|
276
|
2238
|
|
|
2239 return;
|
|
|
2240
|
|
|
2241 closed:
|
|
|
2242
|
|
|
2243 if (err) {
|
|
|
2244 rev->error = 1;
|
|
|
2245 }
|
|
|
2246
|
|
|
2247 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
2248 "client closed prematurely connection");
|
|
|
2249
|
|
286
|
2250 ngx_http_finalize_request(r, 0);
|
|
0
|
2251 }
|
|
|
2252
|
|
|
2253
|
|
50
|
2254 static void
|
|
|
2255 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
2256 {
|
|
2
|
2257 int tcp_nodelay;
|
|
0
|
2258 ngx_int_t i;
|
|
|
2259 ngx_buf_t *b, *f;
|
|
|
2260 ngx_event_t *rev, *wev;
|
|
|
2261 ngx_connection_t *c;
|
|
|
2262 ngx_http_connection_t *hc;
|
|
|
2263 ngx_http_core_srv_conf_t *cscf;
|
|
|
2264 ngx_http_core_loc_conf_t *clcf;
|
|
|
2265
|
|
|
2266 c = r->connection;
|
|
|
2267 rev = c->read;
|
|
|
2268
|
|
326
|
2269 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2270
|
|
0
|
2271 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
2272
|
|
326
|
2273 if (r->discard_body) {
|
|
442
|
2274 r->write_event_handler = ngx_http_request_empty_handler;
|
|
326
|
2275 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
2276 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2277 return;
|
|
|
2278 }
|
|
|
2279
|
|
32
|
2280 c->log->action = "closing request";
|
|
0
|
2281
|
|
|
2282 hc = r->http_connection;
|
|
|
2283 b = r->header_in;
|
|
|
2284
|
|
|
2285 if (b->pos < b->last) {
|
|
|
2286
|
|
|
2287 /* the pipelined request */
|
|
|
2288
|
|
|
2289 if (b != c->buffer) {
|
|
|
2290
|
|
4
|
2291 /*
|
|
|
2292 * If the large header buffers were allocated while the previous
|
|
|
2293 * request processing then we do not use c->buffer for
|
|
|
2294 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2295 *
|
|
4
|
2296 * Now we would move the large header buffers to the free list.
|
|
|
2297 */
|
|
0
|
2298
|
|
|
2299 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2300
|
|
|
2301 if (hc->free == NULL) {
|
|
|
2302 hc->free = ngx_palloc(c->pool,
|
|
|
2303 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2304
|
|
|
2305 if (hc->free == NULL) {
|
|
26
|
2306 ngx_http_close_request(r, 0);
|
|
0
|
2307 return;
|
|
|
2308 }
|
|
|
2309 }
|
|
|
2310
|
|
|
2311 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2312 f = hc->busy[i];
|
|
|
2313 hc->free[hc->nfree++] = f;
|
|
|
2314 f->pos = f->start;
|
|
|
2315 f->last = f->start;
|
|
|
2316 }
|
|
|
2317
|
|
|
2318 hc->busy[0] = b;
|
|
|
2319 hc->nbusy = 1;
|
|
|
2320 }
|
|
|
2321 }
|
|
|
2322
|
|
118
|
2323 ngx_http_request_done(r, 0);
|
|
|
2324
|
|
0
|
2325 c->data = hc;
|
|
|
2326
|
|
|
2327 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2328
|
|
430
|
2329 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2330 ngx_http_close_connection(c);
|
|
|
2331 return;
|
|
|
2332 }
|
|
|
2333
|
|
|
2334 wev = c->write;
|
|
58
|
2335 wev->handler = ngx_http_empty_handler;
|
|
0
|
2336
|
|
|
2337 if (b->pos < b->last) {
|
|
|
2338
|
|
|
2339 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2340
|
|
116
|
2341 #if (NGX_STAT_STUB)
|
|
498
|
2342 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2343 #endif
|
|
|
2344
|
|
0
|
2345 hc->pipeline = 1;
|
|
32
|
2346 c->log->action = "reading client pipelined request line";
|
|
116
|
2347
|
|
376
|
2348 rev->handler = ngx_http_init_request;
|
|
|
2349 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2350 return;
|
|
|
2351 }
|
|
|
2352
|
|
|
2353 hc->pipeline = 0;
|
|
|
2354
|
|
4
|
2355 /*
|
|
|
2356 * To keep a memory footprint as small as possible for an idle
|
|
|
2357 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2358 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2359 * The large header buffers are always allocated outside the c->pool and
|
|
|
2360 * are freed too.
|
|
|
2361 */
|
|
|
2362
|
|
0
|
2363 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2364 hc->request = NULL;
|
|
|
2365 }
|
|
|
2366
|
|
|
2367 b = c->buffer;
|
|
|
2368
|
|
|
2369 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2370
|
|
|
2371 /*
|
|
|
2372 * the special note for ngx_http_keepalive_handler() that
|
|
|
2373 * c->buffer's memory was freed
|
|
|
2374 */
|
|
|
2375
|
|
0
|
2376 b->pos = NULL;
|
|
|
2377
|
|
|
2378 } else {
|
|
|
2379 b->pos = b->start;
|
|
|
2380 b->last = b->start;
|
|
|
2381 }
|
|
|
2382
|
|
10
|
2383 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2384 hc->free, hc->nfree);
|
|
|
2385
|
|
|
2386 if (hc->free) {
|
|
|
2387 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2388 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2389 hc->free[i] = NULL;
|
|
|
2390 }
|
|
|
2391
|
|
|
2392 hc->nfree = 0;
|
|
|
2393 }
|
|
|
2394
|
|
10
|
2395 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2396 hc->busy, hc->nbusy);
|
|
|
2397
|
|
|
2398 if (hc->busy) {
|
|
|
2399 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2400 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2401 hc->busy[i] = NULL;
|
|
|
2402 }
|
|
|
2403
|
|
|
2404 hc->nbusy = 0;
|
|
|
2405 }
|
|
|
2406
|
|
358
|
2407 #if (NGX_HTTP_SSL)
|
|
|
2408 if (c->ssl) {
|
|
|
2409 ngx_ssl_free_buffer(c);
|
|
|
2410 }
|
|
|
2411 #endif
|
|
|
2412
|
|
58
|
2413 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2414
|
|
132
|
2415 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2416 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2417 ngx_http_close_connection(c);
|
|
|
2418 return;
|
|
0
|
2419 }
|
|
|
2420 }
|
|
|
2421
|
|
32
|
2422 c->log->action = "keepalive";
|
|
0
|
2423
|
|
|
2424 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2425 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2426 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2427 ngx_http_close_connection(c);
|
|
|
2428 return;
|
|
|
2429 }
|
|
2
|
2430
|
|
0
|
2431 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2432 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2433
|
|
|
2434 } else {
|
|
22
|
2435 tcp_nodelay = 1;
|
|
|
2436 }
|
|
|
2437
|
|
32
|
2438 if (tcp_nodelay
|
|
|
2439 && clcf->tcp_nodelay
|
|
|
2440 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2441 {
|
|
22
|
2442 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2443
|
|
|
2444 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2445 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2446 == -1)
|
|
22
|
2447 {
|
|
460
|
2448 #if (NGX_SOLARIS)
|
|
|
2449 /* Solaris returns EINVAL if a socket has been shut down */
|
|
|
2450 c->log_error = NGX_ERROR_IGNORE_EINVAL;
|
|
|
2451 #endif
|
|
|
2452
|
|
22
|
2453 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2454 "setsockopt(TCP_NODELAY) failed");
|
|
460
|
2455
|
|
|
2456 c->log_error = NGX_ERROR_INFO;
|
|
22
|
2457 ngx_http_close_connection(c);
|
|
|
2458 return;
|
|
2
|
2459 }
|
|
22
|
2460
|
|
32
|
2461 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2462 }
|
|
|
2463
|
|
|
2464 #if 0
|
|
4
|
2465 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2466 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2467 #endif
|
|
|
2468
|
|
290
|
2469 c->idle = 1;
|
|
|
2470
|
|
0
|
2471 if (rev->ready) {
|
|
376
|
2472 ngx_post_event(rev, &ngx_posted_events);
|
|
0
|
2473 }
|
|
|
2474 }
|
|
|
2475
|
|
|
2476
|
|
50
|
2477 static void
|
|
|
2478 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2479 {
|
|
50
|
2480 size_t size;
|
|
|
2481 ssize_t n;
|
|
|
2482 ngx_buf_t *b;
|
|
|
2483 ngx_connection_t *c;
|
|
0
|
2484
|
|
|
2485 c = rev->data;
|
|
|
2486
|
|
|
2487 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2488
|
|
290
|
2489 if (rev->timedout || c->close) {
|
|
0
|
2490 ngx_http_close_connection(c);
|
|
|
2491 return;
|
|
|
2492 }
|
|
|
2493
|
|
18
|
2494 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2495
|
|
4
|
2496 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2497 if (rev->pending_eof) {
|
|
32
|
2498 c->log->handler = NULL;
|
|
0
|
2499 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2500 "kevent() reported that client %V closed "
|
|
32
|
2501 "keepalive connection", &c->addr_text);
|
|
22
|
2502 #if (NGX_HTTP_SSL)
|
|
|
2503 if (c->ssl) {
|
|
96
|
2504 c->ssl->no_send_shutdown = 1;
|
|
22
|
2505 }
|
|
|
2506 #endif
|
|
0
|
2507 ngx_http_close_connection(c);
|
|
|
2508 return;
|
|
|
2509 }
|
|
|
2510 }
|
|
|
2511
|
|
|
2512 #endif
|
|
|
2513
|
|
|
2514 b = c->buffer;
|
|
|
2515 size = b->end - b->start;
|
|
|
2516
|
|
|
2517 if (b->pos == NULL) {
|
|
4
|
2518
|
|
|
2519 /*
|
|
|
2520 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2521 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2522 * to keep the buffer size.
|
|
|
2523 */
|
|
|
2524
|
|
50
|
2525 b->pos = ngx_palloc(c->pool, size);
|
|
|
2526 if (b->pos == NULL) {
|
|
0
|
2527 ngx_http_close_connection(c);
|
|
|
2528 return;
|
|
|
2529 }
|
|
|
2530
|
|
|
2531 b->start = b->pos;
|
|
|
2532 b->last = b->pos;
|
|
|
2533 b->end = b->pos + size;
|
|
|
2534 }
|
|
|
2535
|
|
|
2536 /*
|
|
|
2537 * MSIE closes a keepalive connection with RST flag
|
|
|
2538 * so we ignore ECONNRESET here.
|
|
|
2539 */
|
|
|
2540
|
|
|
2541 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2542 ngx_set_socket_errno(0);
|
|
|
2543
|
|
|
2544 n = c->recv(c, b->last, size);
|
|
|
2545 c->log_error = NGX_ERROR_INFO;
|
|
|
2546
|
|
|
2547 if (n == NGX_AGAIN) {
|
|
430
|
2548 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
24
|
2549 ngx_http_close_connection(c);
|
|
|
2550 }
|
|
|
2551
|
|
0
|
2552 return;
|
|
|
2553 }
|
|
|
2554
|
|
|
2555 if (n == NGX_ERROR) {
|
|
|
2556 ngx_http_close_connection(c);
|
|
|
2557 return;
|
|
|
2558 }
|
|
|
2559
|
|
32
|
2560 c->log->handler = NULL;
|
|
0
|
2561
|
|
|
2562 if (n == 0) {
|
|
|
2563 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2564 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2565 ngx_http_close_connection(c);
|
|
|
2566 return;
|
|
|
2567 }
|
|
|
2568
|
|
|
2569 b->last += n;
|
|
32
|
2570
|
|
116
|
2571 #if (NGX_STAT_STUB)
|
|
498
|
2572 (void) ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
116
|
2573 #endif
|
|
|
2574
|
|
32
|
2575 c->log->handler = ngx_http_log_error;
|
|
|
2576 c->log->action = "reading client request line";
|
|
0
|
2577
|
|
290
|
2578 c->idle = 0;
|
|
|
2579
|
|
0
|
2580 ngx_http_init_request(rev);
|
|
|
2581 }
|
|
|
2582
|
|
|
2583
|
|
50
|
2584 static void
|
|
|
2585 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2586 {
|
|
0
|
2587 ngx_event_t *rev, *wev;
|
|
|
2588 ngx_connection_t *c;
|
|
|
2589 ngx_http_core_loc_conf_t *clcf;
|
|
|
2590
|
|
|
2591 c = r->connection;
|
|
|
2592
|
|
|
2593 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2594
|
|
|
2595 rev = c->read;
|
|
58
|
2596 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2597
|
|
106
|
2598 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2599 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2600
|
|
430
|
2601 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
0
|
2602 ngx_http_close_request(r, 0);
|
|
|
2603 return;
|
|
|
2604 }
|
|
|
2605
|
|
|
2606 wev = c->write;
|
|
58
|
2607 wev->handler = ngx_http_empty_handler;
|
|
0
|
2608
|
|
132
|
2609 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
430
|
2610 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) {
|
|
132
|
2611 ngx_http_close_request(r, 0);
|
|
|
2612 return;
|
|
0
|
2613 }
|
|
|
2614 }
|
|
|
2615
|
|
|
2616 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2617 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2618 ngx_shutdown_socket_n " failed");
|
|
|
2619 ngx_http_close_request(r, 0);
|
|
|
2620 return;
|
|
|
2621 }
|
|
|
2622
|
|
|
2623 if (rev->ready) {
|
|
|
2624 ngx_http_lingering_close_handler(rev);
|
|
|
2625 }
|
|
|
2626 }
|
|
|
2627
|
|
|
2628
|
|
50
|
2629 static void
|
|
|
2630 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2631 {
|
|
|
2632 ssize_t n;
|
|
|
2633 ngx_msec_t timer;
|
|
|
2634 ngx_connection_t *c;
|
|
|
2635 ngx_http_request_t *r;
|
|
|
2636 ngx_http_core_loc_conf_t *clcf;
|
|
|
2637 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2638
|
|
|
2639 c = rev->data;
|
|
|
2640 r = c->data;
|
|
|
2641
|
|
|
2642 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2643 "http lingering close handler");
|
|
|
2644
|
|
|
2645 if (rev->timedout) {
|
|
126
|
2646 c->timedout = 1;
|
|
0
|
2647 ngx_http_close_request(r, 0);
|
|
|
2648 return;
|
|
|
2649 }
|
|
|
2650
|
|
346
|
2651 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2652 if (timer <= 0) {
|
|
|
2653 ngx_http_close_request(r, 0);
|
|
|
2654 return;
|
|
|
2655 }
|
|
|
2656
|
|
|
2657 do {
|
|
|
2658 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2659
|
|
|
2660 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2661
|
|
|
2662 if (n == NGX_ERROR || n == 0) {
|
|
|
2663 ngx_http_close_request(r, 0);
|
|
|
2664 return;
|
|
|
2665 }
|
|
|
2666
|
|
|
2667 } while (rev->ready);
|
|
|
2668
|
|
430
|
2669 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
26
|
2670 ngx_http_close_request(r, 0);
|
|
24
|
2671 return;
|
|
|
2672 }
|
|
|
2673
|
|
0
|
2674 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2675
|
|
|
2676 timer *= 1000;
|
|
|
2677
|
|
|
2678 if (timer > clcf->lingering_timeout) {
|
|
|
2679 timer = clcf->lingering_timeout;
|
|
|
2680 }
|
|
|
2681
|
|
|
2682 ngx_add_timer(rev, timer);
|
|
|
2683 }
|
|
|
2684
|
|
|
2685
|
|
50
|
2686 void
|
|
|
2687 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2688 {
|
|
|
2689 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2690
|
|
|
2691 return;
|
|
|
2692 }
|
|
|
2693
|
|
|
2694
|
|
58
|
2695 void
|
|
|
2696 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2697 {
|
|
|
2698 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2699 "http request empty handler");
|
|
58
|
2700
|
|
|
2701 return;
|
|
|
2702 }
|
|
|
2703
|
|
|
2704
|
|
50
|
2705 ngx_int_t
|
|
130
|
2706 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2707 {
|
|
|
2708 ngx_buf_t *b;
|
|
|
2709 ngx_chain_t out;
|
|
|
2710
|
|
50
|
2711 b = ngx_calloc_buf(r->pool);
|
|
|
2712 if (b == NULL) {
|
|
0
|
2713 return NGX_ERROR;
|
|
|
2714 }
|
|
|
2715
|
|
130
|
2716 if (flags & NGX_HTTP_LAST) {
|
|
502
|
2717
|
|
|
2718 if (r == r->main && !r->post_action) {
|
|
|
2719 b->last_buf = 1;
|
|
|
2720
|
|
|
2721 } else {
|
|
|
2722 b->sync = 1;
|
|
|
2723 b->last_in_chain = 1;
|
|
|
2724 }
|
|
130
|
2725 }
|
|
|
2726
|
|
|
2727 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2728 b->flush = 1;
|
|
|
2729 }
|
|
|
2730
|
|
0
|
2731 out.buf = b;
|
|
|
2732 out.next = NULL;
|
|
|
2733
|
|
|
2734 return ngx_http_output_filter(r, &out);
|
|
|
2735 }
|
|
|
2736
|
|
|
2737
|
|
162
|
2738 static ngx_int_t
|
|
|
2739 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2740 {
|
|
|
2741 ngx_http_core_loc_conf_t *clcf;
|
|
|
2742
|
|
|
2743 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2744
|
|
|
2745 if (clcf->post_action.data == NULL) {
|
|
|
2746 return NGX_DECLINED;
|
|
|
2747 }
|
|
|
2748
|
|
172
|
2749 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2750 "post action: \"%V\"", &clcf->post_action);
|
|
|
2751
|
|
162
|
2752 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2753 r->header_only = 1;
|
|
178
|
2754 r->post_action = 1;
|
|
162
|
2755
|
|
326
|
2756 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2757
|
|
366
|
2758 if (clcf->post_action.data[0] == '/') {
|
|
|
2759 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2760
|
|
|
2761 } else {
|
|
|
2762 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2763 }
|
|
162
|
2764
|
|
|
2765 return NGX_OK;
|
|
|
2766 }
|
|
|
2767
|
|
|
2768
|
|
|
2769 static void
|
|
58
|
2770 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2771 {
|
|
188
|
2772 ngx_connection_t *c;
|
|
118
|
2773
|
|
|
2774 c = r->connection;
|
|
188
|
2775
|
|
|
2776 ngx_http_request_done(r->main, error);
|
|
118
|
2777 ngx_http_close_connection(c);
|
|
|
2778 }
|
|
|
2779
|
|
|
2780
|
|
162
|
2781 static void
|
|
118
|
2782 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2783 {
|
|
412
|
2784 ngx_log_t *log;
|
|
|
2785 struct linger linger;
|
|
|
2786 ngx_http_cleanup_t *cln;
|
|
|
2787 ngx_http_log_ctx_t *ctx;
|
|
|
2788 ngx_http_core_loc_conf_t *clcf;
|
|
0
|
2789
|
|
|
2790 log = r->connection->log;
|
|
|
2791
|
|
|
2792 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2793
|
|
|
2794 if (r->pool == NULL) {
|
|
80
|
2795 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2796 return;
|
|
|
2797 }
|
|
|
2798
|
|
188
|
2799 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2800 if (cln->handler) {
|
|
|
2801 cln->handler(cln->data);
|
|
|
2802 }
|
|
|
2803 }
|
|
|
2804
|
|
0
|
2805 #if (NGX_STAT_STUB)
|
|
116
|
2806
|
|
0
|
2807 if (r->stat_reading) {
|
|
498
|
2808 (void) ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2809 }
|
|
|
2810
|
|
|
2811 if (r->stat_writing) {
|
|
498
|
2812 (void) ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2813 }
|
|
116
|
2814
|
|
0
|
2815 #endif
|
|
|
2816
|
|
|
2817 if (error && r->headers_out.status == 0) {
|
|
|
2818 r->headers_out.status = error;
|
|
|
2819 }
|
|
|
2820
|
|
386
|
2821 log->action = "logging request";
|
|
|
2822
|
|
412
|
2823 ngx_http_log_request(r);
|
|
0
|
2824
|
|
386
|
2825 log->action = "closing request";
|
|
|
2826
|
|
0
|
2827 if (r->connection->timedout) {
|
|
|
2828 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2829
|
|
|
2830 if (clcf->reset_timedout_connection) {
|
|
58
|
2831 linger.l_onoff = 1;
|
|
|
2832 linger.l_linger = 0;
|
|
0
|
2833
|
|
|
2834 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2835 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2836 {
|
|
|
2837 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2838 "setsockopt(SO_LINGER) failed");
|
|
|
2839 }
|
|
|
2840 }
|
|
|
2841 }
|
|
|
2842
|
|
58
|
2843 /* the various request strings were allocated from r->pool */
|
|
0
|
2844 ctx = log->data;
|
|
10
|
2845 ctx->request = NULL;
|
|
0
|
2846
|
|
|
2847 r->request_line.len = 0;
|
|
|
2848
|
|
132
|
2849 r->connection->destroyed = 1;
|
|
|
2850
|
|
0
|
2851 ngx_destroy_pool(r->pool);
|
|
|
2852 }
|
|
|
2853
|
|
|
2854
|
|
80
|
2855 static void
|
|
412
|
2856 ngx_http_log_request(ngx_http_request_t *r)
|
|
|
2857 {
|
|
|
2858 ngx_uint_t i, n;
|
|
|
2859 ngx_http_handler_pt *log_handler;
|
|
|
2860 ngx_http_core_main_conf_t *cmcf;
|
|
|
2861
|
|
|
2862 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2863
|
|
|
2864 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2865 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2866
|
|
|
2867 for (i = 0; i < n; i++) {
|
|
|
2868 log_handler[i](r);
|
|
|
2869 }
|
|
|
2870 }
|
|
|
2871
|
|
|
2872
|
|
|
2873 static void
|
|
50
|
2874 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2875 {
|
|
28
|
2876 ngx_pool_t *pool;
|
|
|
2877
|
|
0
|
2878 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2879 "close http connection: %d", c->fd);
|
|
|
2880
|
|
88
|
2881 #if (NGX_HTTP_SSL)
|
|
2
|
2882
|
|
|
2883 if (c->ssl) {
|
|
|
2884 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2885 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2886 return;
|
|
|
2887 }
|
|
|
2888 }
|
|
|
2889
|
|
|
2890 #endif
|
|
|
2891
|
|
0
|
2892 #if (NGX_STAT_STUB)
|
|
498
|
2893 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2894 #endif
|
|
|
2895
|
|
132
|
2896 c->destroyed = 1;
|
|
|
2897
|
|
28
|
2898 pool = c->pool;
|
|
|
2899
|
|
0
|
2900 ngx_close_connection(c);
|
|
28
|
2901
|
|
50
|
2902 ngx_destroy_pool(pool);
|
|
0
|
2903 }
|
|
|
2904
|
|
|
2905
|
|
50
|
2906 static u_char *
|
|
|
2907 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2908 {
|
|
32
|
2909 u_char *p;
|
|
54
|
2910 ngx_http_request_t *r;
|
|
32
|
2911 ngx_http_log_ctx_t *ctx;
|
|
10
|
2912
|
|
32
|
2913 if (log->action) {
|
|
58
|
2914 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2915 len -= p - buf;
|
|
54
|
2916 buf = p;
|
|
10
|
2917 }
|
|
|
2918
|
|
58
|
2919 ctx = log->data;
|
|
|
2920
|
|
362
|
2921 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2922 len -= p - buf;
|
|
54
|
2923
|
|
|
2924 r = ctx->request;
|
|
|
2925
|
|
58
|
2926 if (r) {
|
|
214
|
2927 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2928
|
|
|
2929 } else {
|
|
|
2930 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2931 &ctx->connection->listening->addr_text);
|
|
0
|
2932 }
|
|
10
|
2933
|
|
58
|
2934 return p;
|
|
|
2935 }
|
|
|
2936
|
|
|
2937
|
|
|
2938 static u_char *
|
|
214
|
2939 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2940 u_char *buf, size_t len)
|
|
58
|
2941 {
|
|
362
|
2942 char *uri_separator;
|
|
|
2943 u_char *p;
|
|
|
2944 ngx_http_upstream_t *u;
|
|
|
2945 ngx_http_core_srv_conf_t *cscf;
|
|
|
2946
|
|
|
2947 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2948
|
|
|
2949 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2950 len -= p - buf;
|
|
|
2951 buf = p;
|
|
52
|
2952
|
|
348
|
2953 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2954 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2955 if (*p == CR || *p == LF) {
|
|
|
2956 break;
|
|
|
2957 }
|
|
|
2958 }
|
|
|
2959
|
|
|
2960 r->request_line.len = p - r->request_start;
|
|
|
2961 r->request_line.data = r->request_start;
|
|
|
2962 }
|
|
|
2963
|
|
|
2964 if (r->request_line.len) {
|
|
|
2965 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2966 len -= p - buf;
|
|
|
2967 buf = p;
|
|
10
|
2968 }
|
|
|
2969
|
|
214
|
2970 if (r != sr) {
|
|
|
2971 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2972 len -= p - buf;
|
|
|
2973 buf = p;
|
|
|
2974 }
|
|
|
2975
|
|
|
2976 u = sr->upstream;
|
|
|
2977
|
|
260
|
2978 if (u && u->peer.name) {
|
|
|
2979
|
|
|
2980 uri_separator = "";
|
|
|
2981
|
|
|
2982 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2983 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2984 uri_separator = ":";
|
|
|
2985 }
|
|
|
2986 #endif
|
|
214
|
2987
|
|
|
2988 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2989 &u->schema, u->peer.name,
|
|
260
|
2990 uri_separator, &u->uri);
|
|
214
|
2991 len -= p - buf;
|
|
|
2992 buf = p;
|
|
|
2993 }
|
|
|
2994
|
|
54
|
2995 if (r->headers_in.host) {
|
|
|
2996 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2997 &r->headers_in.host->value);
|
|
|
2998 len -= p - buf;
|
|
|
2999 buf = p;
|
|
|
3000 }
|
|
|
3001
|
|
|
3002 if (r->headers_in.referer) {
|
|
|
3003 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
3004 &r->headers_in.referer->value);
|
|
|
3005 buf = p;
|
|
|
3006 }
|
|
|
3007
|
|
|
3008 return buf;
|
|
|
3009 }
|
