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