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