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