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