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58
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1
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126
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2 /*
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58
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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58
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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662
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13 typedef struct ngx_http_proxy_rewrite_s ngx_http_proxy_rewrite_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_rewrite_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, size_t len,
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17 ngx_http_proxy_rewrite_t *pr);
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18
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19 struct ngx_http_proxy_rewrite_s {
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20 ngx_http_proxy_rewrite_pt handler;
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58
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21
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22 union {
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654
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23 ngx_http_complex_value_t complex;
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24 #if (NGX_PCRE)
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25 ngx_http_regex_t *regex;
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26 #endif
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662
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27 } pattern;
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654
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28
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29 ngx_http_complex_value_t replacement;
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58
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30 };
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31
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32
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33 typedef struct {
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464
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34 ngx_str_t key_start;
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430
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35 ngx_str_t schema;
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348
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36 ngx_str_t host_header;
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37 ngx_str_t port;
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38 ngx_str_t uri;
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39 } ngx_http_proxy_vars_t;
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40
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41
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42 typedef struct {
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200
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43 ngx_http_upstream_conf_t upstream;
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44
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45 ngx_array_t *flushes;
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46 ngx_array_t *body_set_len;
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47 ngx_array_t *body_set;
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48 ngx_array_t *headers_set_len;
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49 ngx_array_t *headers_set;
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50 ngx_hash_t headers_set_hash;
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51
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52 ngx_array_t *headers_source;
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53
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348
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54 ngx_array_t *proxy_lengths;
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55 ngx_array_t *proxy_values;
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56
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200
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57 ngx_array_t *redirects;
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662
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58 ngx_array_t *cookie_domains;
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59 ngx_array_t *cookie_paths;
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200
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60
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61 ngx_str_t body_source;
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62
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63 ngx_str_t method;
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348
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64 ngx_str_t location;
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65 ngx_str_t url;
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66
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472
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67 #if (NGX_HTTP_CACHE)
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68 ngx_http_complex_value_t cache_key;
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69 #endif
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70
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348
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71 ngx_http_proxy_vars_t vars;
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200
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72
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73 ngx_flag_t redirect;
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298
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74
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640
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75 ngx_uint_t http_version;
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76
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298
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77 ngx_uint_t headers_hash_max_size;
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78 ngx_uint_t headers_hash_bucket_size;
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58
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79 } ngx_http_proxy_loc_conf_t;
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80
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81
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82 typedef struct {
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580
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83 ngx_http_status_t status;
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348
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84 ngx_http_proxy_vars_t vars;
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200
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85 size_t internal_body_length;
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640
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86
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87 ngx_uint_t state;
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88 off_t size;
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89 off_t length;
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90
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91 ngx_uint_t head; /* unsigned head:1 */
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58
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92 } ngx_http_proxy_ctx_t;
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93
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94
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348
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95 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
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96 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
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464
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97 #if (NGX_HTTP_CACHE)
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98 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r);
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99 #endif
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58
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100 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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101 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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102 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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103 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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640
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104 static ngx_int_t ngx_http_proxy_input_filter_init(void *data);
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105 static ngx_int_t ngx_http_proxy_copy_filter(ngx_event_pipe_t *p,
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106 ngx_buf_t *buf);
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107 static ngx_int_t ngx_http_proxy_chunked_filter(ngx_event_pipe_t *p,
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108 ngx_buf_t *buf);
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109 static ngx_int_t ngx_http_proxy_non_buffered_copy_filter(void *data,
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110 ssize_t bytes);
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111 static ngx_int_t ngx_http_proxy_non_buffered_chunked_filter(void *data,
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112 ssize_t bytes);
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58
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113 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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114 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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115 ngx_int_t rc);
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116
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122
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117 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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118 ngx_http_variable_value_t *v, uintptr_t data);
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119 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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120 ngx_http_variable_value_t *v, uintptr_t data);
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121 static ngx_int_t
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58
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122 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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123 ngx_http_variable_value_t *v, uintptr_t data);
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126
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124 static ngx_int_t
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125 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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126 ngx_http_variable_value_t *v, uintptr_t data);
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58
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127 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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128 ngx_table_elt_t *h, size_t prefix);
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662
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129 static ngx_int_t ngx_http_proxy_rewrite_cookie(ngx_http_request_t *r,
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130 ngx_table_elt_t *h);
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131 static ngx_int_t ngx_http_proxy_rewrite_cookie_value(ngx_http_request_t *r,
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132 ngx_table_elt_t *h, u_char *value, ngx_array_t *rewrites);
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133 static ngx_int_t ngx_http_proxy_rewrite(ngx_http_request_t *r,
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134 ngx_table_elt_t *h, size_t prefix, size_t len, ngx_str_t *replacement);
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58
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135
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136 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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137 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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138 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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139 void *parent, void *child);
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464
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140 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf,
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141 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev);
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58
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142
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143 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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144 void *conf);
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145 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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146 void *conf);
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662
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147 static char *ngx_http_proxy_cookie_domain(ngx_conf_t *cf, ngx_command_t *cmd,
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148 void *conf);
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149 static char *ngx_http_proxy_cookie_path(ngx_conf_t *cf, ngx_command_t *cmd,
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150 void *conf);
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320
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151 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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152 void *conf);
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464
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153 #if (NGX_HTTP_CACHE)
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154 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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155 void *conf);
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472
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156 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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157 void *conf);
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464
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158 #endif
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58
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159
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160 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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161
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662
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162 static ngx_int_t ngx_http_proxy_rewrite_regex(ngx_conf_t *cf,
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163 ngx_http_proxy_rewrite_t *pr, ngx_str_t *regex, ngx_uint_t caseless);
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164
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348
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165 #if (NGX_HTTP_SSL)
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166 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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167 ngx_http_proxy_loc_conf_t *plcf);
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168 #endif
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464
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169 static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v);
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348
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170
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58
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171
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172 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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173 { ngx_http_proxy_lowat_check };
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174
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175
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176 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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177 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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178 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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179 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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180 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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181 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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182 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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183 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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58
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184 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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498
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185 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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214
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186 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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187 { ngx_null_string, 0 }
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188 };
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189
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190
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640
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191 static ngx_conf_enum_t ngx_http_proxy_http_version[] = {
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192 { ngx_string("1.0"), NGX_HTTP_VERSION_10 },
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193 { ngx_string("1.1"), NGX_HTTP_VERSION_11 },
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194 { ngx_null_string, 0 }
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195 };
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196
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197
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464
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198 ngx_module_t ngx_http_proxy_module;
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199
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200
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58
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201 static ngx_command_t ngx_http_proxy_commands[] = {
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202
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203 { ngx_string("proxy_pass"),
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256
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204 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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58
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205 ngx_http_proxy_pass,
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206 NGX_HTTP_LOC_CONF_OFFSET,
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207 0,
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208 NULL },
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209
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210 { ngx_string("proxy_redirect"),
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211 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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212 ngx_http_proxy_redirect,
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213 NGX_HTTP_LOC_CONF_OFFSET,
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214 0,
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215 NULL },
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216
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662
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217 { ngx_string("proxy_cookie_domain"),
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218 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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219 ngx_http_proxy_cookie_domain,
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220 NGX_HTTP_LOC_CONF_OFFSET,
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221 0,
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222 NULL },
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223
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224 { ngx_string("proxy_cookie_path"),
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225 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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226 ngx_http_proxy_cookie_path,
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227 NGX_HTTP_LOC_CONF_OFFSET,
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228 0,
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229 NULL },
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230
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318
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231 { ngx_string("proxy_store"),
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320
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232 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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233 ngx_http_proxy_store,
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234 NGX_HTTP_LOC_CONF_OFFSET,
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235 0,
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236 NULL },
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237
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238 { ngx_string("proxy_store_access"),
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318
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239 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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240 ngx_conf_set_access_slot,
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241 NGX_HTTP_LOC_CONF_OFFSET,
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320
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242 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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243 NULL },
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244
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130
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245 { ngx_string("proxy_buffering"),
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246 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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247 ngx_conf_set_flag_slot,
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248 NGX_HTTP_LOC_CONF_OFFSET,
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249 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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250 NULL },
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251
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178
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252 { ngx_string("proxy_ignore_client_abort"),
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253 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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254 ngx_conf_set_flag_slot,
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255 NGX_HTTP_LOC_CONF_OFFSET,
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256 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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257 NULL },
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258
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540
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259 { ngx_string("proxy_bind"),
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260 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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558
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261 ngx_http_upstream_bind_set_slot,
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540
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262 NGX_HTTP_LOC_CONF_OFFSET,
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263 offsetof(ngx_http_proxy_loc_conf_t, upstream.local),
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264 NULL },
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265
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58
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266 { ngx_string("proxy_connect_timeout"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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268 ngx_conf_set_msec_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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270 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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271 NULL },
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272
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273 { ngx_string("proxy_send_timeout"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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275 ngx_conf_set_msec_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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278 NULL },
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279
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280 { ngx_string("proxy_send_lowat"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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282 ngx_conf_set_size_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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285 &ngx_http_proxy_lowat_post },
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286
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206
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287 { ngx_string("proxy_intercept_errors"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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289 ngx_conf_set_flag_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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292 NULL },
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293
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58
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294 { ngx_string("proxy_set_header"),
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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296 ngx_conf_set_keyval_slot,
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58
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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299 NULL },
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300
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298
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301 { ngx_string("proxy_headers_hash_max_size"),
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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303 ngx_conf_set_num_slot,
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304 NGX_HTTP_LOC_CONF_OFFSET,
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305 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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306 NULL },
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307
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308 { ngx_string("proxy_headers_hash_bucket_size"),
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309 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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310 ngx_conf_set_num_slot,
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311 NGX_HTTP_LOC_CONF_OFFSET,
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312 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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313 NULL },
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314
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126
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315 { ngx_string("proxy_set_body"),
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316 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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317 ngx_conf_set_str_slot,
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318 NGX_HTTP_LOC_CONF_OFFSET,
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319 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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320 NULL },
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321
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58
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322 { ngx_string("proxy_method"),
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323 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
|
324 ngx_conf_set_str_slot,
|
|
58
|
325 NGX_HTTP_LOC_CONF_OFFSET,
|
|
110
|
326 offsetof(ngx_http_proxy_loc_conf_t, method),
|
|
|
327 NULL },
|
|
58
|
328
|
|
|
329 { ngx_string("proxy_pass_request_headers"),
|
|
|
330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
331 ngx_conf_set_flag_slot,
|
|
|
332 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
333 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
|
|
|
334 NULL },
|
|
|
335
|
|
|
336 { ngx_string("proxy_pass_request_body"),
|
|
|
337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
338 ngx_conf_set_flag_slot,
|
|
|
339 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
340 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
|
|
|
341 NULL },
|
|
|
342
|
|
130
|
343 { ngx_string("proxy_buffer_size"),
|
|
|
344 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
345 ngx_conf_set_size_slot,
|
|
|
346 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
347 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
|
|
|
348 NULL },
|
|
|
349
|
|
58
|
350 { ngx_string("proxy_read_timeout"),
|
|
|
351 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
352 ngx_conf_set_msec_slot,
|
|
|
353 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
354 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
|
|
|
355 NULL },
|
|
|
356
|
|
|
357 { ngx_string("proxy_buffers"),
|
|
|
358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
|
359 ngx_conf_set_bufs_slot,
|
|
|
360 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
361 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
|
|
|
362 NULL },
|
|
|
363
|
|
|
364 { ngx_string("proxy_busy_buffers_size"),
|
|
|
365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
366 ngx_conf_set_size_slot,
|
|
|
367 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
368 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
|
|
58
|
369 NULL },
|
|
|
370
|
|
464
|
371 #if (NGX_HTTP_CACHE)
|
|
|
372
|
|
|
373 { ngx_string("proxy_cache"),
|
|
592
|
374 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
464
|
375 ngx_http_proxy_cache,
|
|
|
376 NGX_HTTP_LOC_CONF_OFFSET,
|
|
466
|
377 0,
|
|
464
|
378 NULL },
|
|
|
379
|
|
472
|
380 { ngx_string("proxy_cache_key"),
|
|
592
|
381 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
472
|
382 ngx_http_proxy_cache_key,
|
|
|
383 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
384 0,
|
|
|
385 NULL },
|
|
|
386
|
|
464
|
387 { ngx_string("proxy_cache_path"),
|
|
|
388 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
|
|
|
389 ngx_http_file_cache_set_slot,
|
|
|
390 0,
|
|
|
391 0,
|
|
|
392 &ngx_http_proxy_module },
|
|
|
393
|
|
588
|
394 { ngx_string("proxy_cache_bypass"),
|
|
|
395 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
396 ngx_http_set_predicate_slot,
|
|
|
397 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
398 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_bypass),
|
|
|
399 NULL },
|
|
|
400
|
|
572
|
401 { ngx_string("proxy_no_cache"),
|
|
|
402 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
588
|
403 ngx_http_set_predicate_slot,
|
|
572
|
404 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
405 offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache),
|
|
|
406 NULL },
|
|
|
407
|
|
464
|
408 { ngx_string("proxy_cache_valid"),
|
|
|
409 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
410 ngx_http_file_cache_valid_set_slot,
|
|
|
411 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
412 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
|
|
|
413 NULL },
|
|
|
414
|
|
|
415 { ngx_string("proxy_cache_min_uses"),
|
|
|
416 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
417 ngx_conf_set_num_slot,
|
|
|
418 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
419 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
|
|
|
420 NULL },
|
|
|
421
|
|
|
422 { ngx_string("proxy_cache_use_stale"),
|
|
|
423 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
424 ngx_conf_set_bitmask_slot,
|
|
|
425 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
426 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
|
|
|
427 &ngx_http_proxy_next_upstream_masks },
|
|
|
428
|
|
494
|
429 { ngx_string("proxy_cache_methods"),
|
|
|
430 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
431 ngx_conf_set_bitmask_slot,
|
|
|
432 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
433 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods),
|
|
|
434 &ngx_http_upstream_cache_method_mask },
|
|
|
435
|
|
656
|
436 { ngx_string("proxy_cache_lock"),
|
|
|
437 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
438 ngx_conf_set_flag_slot,
|
|
|
439 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
440 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_lock),
|
|
|
441 NULL },
|
|
|
442
|
|
|
443 { ngx_string("proxy_cache_lock_timeout"),
|
|
|
444 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
445 ngx_conf_set_msec_slot,
|
|
|
446 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
447 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_lock_timeout),
|
|
|
448 NULL },
|
|
|
449
|
|
464
|
450 #endif
|
|
|
451
|
|
58
|
452 { ngx_string("proxy_temp_path"),
|
|
|
453 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
454 ngx_conf_set_path_slot,
|
|
|
455 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
456 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
464
|
457 NULL },
|
|
58
|
458
|
|
|
459 { ngx_string("proxy_max_temp_file_size"),
|
|
|
460 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
461 ngx_conf_set_size_slot,
|
|
|
462 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
463 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
464 NULL },
|
|
|
465
|
|
|
466 { ngx_string("proxy_temp_file_write_size"),
|
|
|
467 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
468 ngx_conf_set_size_slot,
|
|
|
469 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
470 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
471 NULL },
|
|
|
472
|
|
|
473 { ngx_string("proxy_next_upstream"),
|
|
96
|
474 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
475 ngx_conf_set_bitmask_slot,
|
|
|
476 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
477 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
478 &ngx_http_proxy_next_upstream_masks },
|
|
|
479
|
|
198
|
480 { ngx_string("proxy_pass_header"),
|
|
592
|
481 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
198
|
482 ngx_conf_set_str_array_slot,
|
|
58
|
483 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
484 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
485 NULL },
|
|
|
486
|
|
198
|
487 { ngx_string("proxy_hide_header"),
|
|
592
|
488 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
198
|
489 ngx_conf_set_str_array_slot,
|
|
58
|
490 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
491 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
492 NULL },
|
|
|
493
|
|
484
|
494 { ngx_string("proxy_ignore_headers"),
|
|
|
495 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
496 ngx_conf_set_bitmask_slot,
|
|
|
497 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
498 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
|
|
584
|
499 &ngx_http_upstream_ignore_headers_masks },
|
|
484
|
500
|
|
640
|
501 { ngx_string("proxy_http_version"),
|
|
|
502 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
503 ngx_conf_set_enum_slot,
|
|
|
504 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
505 offsetof(ngx_http_proxy_loc_conf_t, http_version),
|
|
|
506 &ngx_http_proxy_http_version },
|
|
|
507
|
|
398
|
508 #if (NGX_HTTP_SSL)
|
|
|
509
|
|
|
510 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
511 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
512 ngx_conf_set_flag_slot,
|
|
|
513 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
514 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
515 NULL },
|
|
|
516
|
|
|
517 #endif
|
|
|
518
|
|
58
|
519 ngx_null_command
|
|
|
520 };
|
|
|
521
|
|
|
522
|
|
216
|
523 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
524 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
525 NULL, /* postconfiguration */
|
|
|
526
|
|
|
527 NULL, /* create main configuration */
|
|
|
528 NULL, /* init main configuration */
|
|
|
529
|
|
|
530 NULL, /* create server configuration */
|
|
|
531 NULL, /* merge server configuration */
|
|
|
532
|
|
664
|
533 ngx_http_proxy_create_loc_conf, /* create location configuration */
|
|
|
534 ngx_http_proxy_merge_loc_conf /* merge location configuration */
|
|
58
|
535 };
|
|
|
536
|
|
|
537
|
|
|
538 ngx_module_t ngx_http_proxy_module = {
|
|
|
539 NGX_MODULE_V1,
|
|
|
540 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
541 ngx_http_proxy_commands, /* module directives */
|
|
|
542 NGX_HTTP_MODULE, /* module type */
|
|
90
|
543 NULL, /* init master */
|
|
58
|
544 NULL, /* init module */
|
|
90
|
545 NULL, /* init process */
|
|
|
546 NULL, /* init thread */
|
|
|
547 NULL, /* exit thread */
|
|
|
548 NULL, /* exit process */
|
|
|
549 NULL, /* exit master */
|
|
|
550 NGX_MODULE_V1_PADDING
|
|
58
|
551 };
|
|
|
552
|
|
|
553
|
|
|
554 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
640
|
555 static char ngx_http_proxy_version_11[] = " HTTP/1.1" CRLF;
|
|
58
|
556
|
|
|
557
|
|
198
|
558 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
559 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
560 { ngx_string("Connection"), ngx_string("close") },
|
|
|
561 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
562 { ngx_string("Expect"), ngx_string("") },
|
|
640
|
563 { ngx_string("Upgrade"), ngx_string("") },
|
|
198
|
564 { ngx_null_string, ngx_null_string }
|
|
|
565 };
|
|
|
566
|
|
|
567
|
|
|
568 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
569 ngx_string("Date"),
|
|
|
570 ngx_string("Server"),
|
|
|
571 ngx_string("X-Pad"),
|
|
|
572 ngx_string("X-Accel-Expires"),
|
|
|
573 ngx_string("X-Accel-Redirect"),
|
|
|
574 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
575 ngx_string("X-Accel-Buffering"),
|
|
|
576 ngx_string("X-Accel-Charset"),
|
|
198
|
577 ngx_null_string
|
|
58
|
578 };
|
|
|
579
|
|
|
580
|
|
480
|
581 #if (NGX_HTTP_CACHE)
|
|
|
582
|
|
|
583 static ngx_keyval_t ngx_http_proxy_cache_headers[] = {
|
|
|
584 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
585 { ngx_string("Connection"), ngx_string("close") },
|
|
|
586 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
587 { ngx_string("Expect"), ngx_string("") },
|
|
648
|
588 { ngx_string("Upgrade"), ngx_string("") },
|
|
480
|
589 { ngx_string("If-Modified-Since"), ngx_string("") },
|
|
|
590 { ngx_string("If-Unmodified-Since"), ngx_string("") },
|
|
558
|
591 { ngx_string("If-None-Match"), ngx_string("") },
|
|
480
|
592 { ngx_string("If-Match"), ngx_string("") },
|
|
|
593 { ngx_string("Range"), ngx_string("") },
|
|
|
594 { ngx_string("If-Range"), ngx_string("") },
|
|
|
595 { ngx_null_string, ngx_null_string }
|
|
|
596 };
|
|
|
597
|
|
|
598 #endif
|
|
|
599
|
|
|
600
|
|
58
|
601 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
602
|
|
186
|
603 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
604 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
605
|
|
186
|
606 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
607 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
608
|
|
186
|
609 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
610 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
611
|
|
|
612 #if 0
|
|
186
|
613 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
614 #endif
|
|
|
615
|
|
186
|
616 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
617 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
618
|
|
186
|
619 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
620 };
|
|
|
621
|
|
|
622
|
|
464
|
623 static ngx_path_init_t ngx_http_proxy_temp_path = {
|
|
|
624 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
|
|
|
625 };
|
|
|
626
|
|
|
627
|
|
58
|
628 static ngx_int_t
|
|
|
629 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
630 {
|
|
58
|
631 ngx_int_t rc;
|
|
|
632 ngx_http_upstream_t *u;
|
|
348
|
633 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
634 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
635
|
|
510
|
636 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
58
|
637 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
638 }
|
|
126
|
639
|
|
348
|
640 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
641 if (ctx == NULL) {
|
|
|
642 return NGX_ERROR;
|
|
|
643 }
|
|
|
644
|
|
|
645 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
646
|
|
|
647 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
648
|
|
510
|
649 u = r->upstream;
|
|
|
650
|
|
592
|
651 if (plcf->proxy_lengths == NULL) {
|
|
348
|
652 ctx->vars = plcf->vars;
|
|
430
|
653 u->schema = plcf->vars.schema;
|
|
348
|
654 #if (NGX_HTTP_SSL)
|
|
|
655 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
656 #endif
|
|
|
657
|
|
|
658 } else {
|
|
|
659 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
660 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
661 }
|
|
|
662 }
|
|
|
663
|
|
58
|
664 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
665
|
|
|
666 u->conf = &plcf->upstream;
|
|
|
667
|
|
464
|
668 #if (NGX_HTTP_CACHE)
|
|
|
669 u->create_key = ngx_http_proxy_create_key;
|
|
|
670 #endif
|
|
58
|
671 u->create_request = ngx_http_proxy_create_request;
|
|
|
672 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
673 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
674 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
675 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
566
|
676 r->state = 0;
|
|
58
|
677
|
|
|
678 if (plcf->redirects) {
|
|
|
679 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
680 }
|
|
|
681
|
|
662
|
682 if (plcf->cookie_domains || plcf->cookie_paths) {
|
|
|
683 u->rewrite_cookie = ngx_http_proxy_rewrite_cookie;
|
|
|
684 }
|
|
|
685
|
|
198
|
686 u->buffering = plcf->upstream.buffering;
|
|
|
687
|
|
|
688 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
689 if (u->pipe == NULL) {
|
|
|
690 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
691 }
|
|
58
|
692
|
|
640
|
693 u->pipe->input_filter = ngx_http_proxy_copy_filter;
|
|
|
694 u->pipe->input_ctx = r;
|
|
|
695
|
|
|
696 u->input_filter_init = ngx_http_proxy_input_filter_init;
|
|
|
697 u->input_filter = ngx_http_proxy_non_buffered_copy_filter;
|
|
|
698 u->input_filter_ctx = r;
|
|
198
|
699
|
|
58
|
700 u->accel = 1;
|
|
126
|
701
|
|
58
|
702 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
703
|
|
|
704 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
705 return rc;
|
|
|
706 }
|
|
|
707
|
|
|
708 return NGX_DONE;
|
|
|
709 }
|
|
|
710
|
|
|
711
|
|
|
712 static ngx_int_t
|
|
348
|
713 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
714 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
715 {
|
|
464
|
716 u_char *p;
|
|
|
717 size_t add;
|
|
|
718 u_short port;
|
|
|
719 ngx_str_t proxy;
|
|
|
720 ngx_url_t url;
|
|
|
721 ngx_http_upstream_t *u;
|
|
348
|
722
|
|
|
723 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
724 plcf->proxy_values->elts)
|
|
|
725 == NULL)
|
|
|
726 {
|
|
|
727 return NGX_ERROR;
|
|
|
728 }
|
|
|
729
|
|
632
|
730 if (proxy.len > 7
|
|
|
731 && ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0)
|
|
|
732 {
|
|
348
|
733 add = 7;
|
|
|
734 port = 80;
|
|
|
735
|
|
|
736 #if (NGX_HTTP_SSL)
|
|
|
737
|
|
632
|
738 } else if (proxy.len > 8
|
|
|
739 && ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0)
|
|
|
740 {
|
|
348
|
741 add = 8;
|
|
|
742 port = 443;
|
|
|
743 r->upstream->ssl = 1;
|
|
|
744
|
|
|
745 #endif
|
|
|
746
|
|
|
747 } else {
|
|
|
748 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
749 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
750 return NGX_ERROR;
|
|
|
751 }
|
|
|
752
|
|
464
|
753 u = r->upstream;
|
|
|
754
|
|
|
755 u->schema.len = add;
|
|
|
756 u->schema.data = proxy.data;
|
|
|
757
|
|
|
758 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
759
|
|
|
760 url.url.len = proxy.len - add;
|
|
|
761 url.url.data = proxy.data + add;
|
|
|
762 url.default_port = port;
|
|
|
763 url.uri_part = 1;
|
|
|
764 url.no_resolve = 1;
|
|
|
765
|
|
|
766 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
767 if (url.err) {
|
|
348
|
768 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
464
|
769 "%s in upstream \"%V\"", url.err, &url.url);
|
|
348
|
770 }
|
|
|
771
|
|
|
772 return NGX_ERROR;
|
|
|
773 }
|
|
|
774
|
|
546
|
775 if (url.uri.len) {
|
|
|
776 if (url.uri.data[0] == '?') {
|
|
|
777 p = ngx_pnalloc(r->pool, url.uri.len + 1);
|
|
|
778 if (p == NULL) {
|
|
|
779 return NGX_ERROR;
|
|
|
780 }
|
|
|
781
|
|
|
782 *p++ = '/';
|
|
|
783 ngx_memcpy(p, url.uri.data, url.uri.len);
|
|
|
784
|
|
|
785 url.uri.len++;
|
|
|
786 url.uri.data = p - 1;
|
|
416
|
787 }
|
|
|
788 }
|
|
|
789
|
|
464
|
790 ctx->vars.key_start = u->schema;
|
|
|
791
|
|
|
792 ngx_http_proxy_set_vars(&url, &ctx->vars);
|
|
|
793
|
|
|
794 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
795 if (u->resolved == NULL) {
|
|
348
|
796 return NGX_ERROR;
|
|
|
797 }
|
|
|
798
|
|
464
|
799 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
800 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
801 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
802 u->resolved->naddrs = 1;
|
|
|
803 u->resolved->host = url.addrs[0].name;
|
|
434
|
804
|
|
|
805 } else {
|
|
464
|
806 u->resolved->host = url.host;
|
|
|
807 u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
|
|
|
808 u->resolved->no_port = url.no_port;
|
|
434
|
809 }
|
|
348
|
810
|
|
|
811 return NGX_OK;
|
|
|
812 }
|
|
|
813
|
|
|
814
|
|
464
|
815 #if (NGX_HTTP_CACHE)
|
|
|
816
|
|
|
817 static ngx_int_t
|
|
|
818 ngx_http_proxy_create_key(ngx_http_request_t *r)
|
|
|
819 {
|
|
|
820 size_t len, loc_len;
|
|
|
821 u_char *p;
|
|
|
822 uintptr_t escape;
|
|
|
823 ngx_str_t *key;
|
|
|
824 ngx_http_upstream_t *u;
|
|
|
825 ngx_http_proxy_ctx_t *ctx;
|
|
|
826 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
827
|
|
|
828 u = r->upstream;
|
|
|
829
|
|
|
830 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
831
|
|
|
832 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
833
|
|
|
834 key = ngx_array_push(&r->cache->keys);
|
|
|
835 if (key == NULL) {
|
|
|
836 return NGX_ERROR;
|
|
|
837 }
|
|
|
838
|
|
472
|
839 if (plcf->cache_key.value.len) {
|
|
|
840
|
|
|
841 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
|
|
|
842 return NGX_ERROR;
|
|
|
843 }
|
|
|
844
|
|
|
845 return NGX_OK;
|
|
|
846 }
|
|
|
847
|
|
464
|
848 *key = ctx->vars.key_start;
|
|
|
849
|
|
|
850 key = ngx_array_push(&r->cache->keys);
|
|
|
851 if (key == NULL) {
|
|
|
852 return NGX_ERROR;
|
|
|
853 }
|
|
|
854
|
|
656
|
855 if (plcf->proxy_lengths && ctx->vars.uri.len) {
|
|
464
|
856
|
|
|
857 *key = ctx->vars.uri;
|
|
|
858 u->uri = ctx->vars.uri;
|
|
|
859
|
|
|
860 return NGX_OK;
|
|
|
861
|
|
|
862 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
863 {
|
|
|
864 *key = r->unparsed_uri;
|
|
|
865 u->uri = r->unparsed_uri;
|
|
|
866
|
|
|
867 return NGX_OK;
|
|
|
868 }
|
|
|
869
|
|
|
870 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
|
|
|
871
|
|
|
872 if (r->quoted_uri || r->internal) {
|
|
|
873 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
874 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
875 } else {
|
|
|
876 escape = 0;
|
|
|
877 }
|
|
|
878
|
|
|
879 len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
880 + sizeof("?") - 1 + r->args.len;
|
|
|
881
|
|
|
882 p = ngx_pnalloc(r->pool, len);
|
|
|
883 if (p == NULL) {
|
|
|
884 return NGX_ERROR;
|
|
|
885 }
|
|
|
886
|
|
|
887 key->data = p;
|
|
|
888
|
|
|
889 if (r->valid_location) {
|
|
|
890 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
891 }
|
|
|
892
|
|
|
893 if (escape) {
|
|
|
894 ngx_escape_uri(p, r->uri.data + loc_len,
|
|
|
895 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
896 p += r->uri.len - loc_len + escape;
|
|
|
897
|
|
|
898 } else {
|
|
|
899 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
|
|
|
900 }
|
|
|
901
|
|
|
902 if (r->args.len > 0) {
|
|
|
903 *p++ = '?';
|
|
|
904 p = ngx_copy(p, r->args.data, r->args.len);
|
|
|
905 }
|
|
|
906
|
|
|
907 key->len = p - key->data;
|
|
|
908 u->uri = *key;
|
|
|
909
|
|
|
910 return NGX_OK;
|
|
|
911 }
|
|
|
912
|
|
|
913 #endif
|
|
|
914
|
|
|
915
|
|
348
|
916 static ngx_int_t
|
|
58
|
917 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
918 {
|
|
464
|
919 size_t len, uri_len, loc_len, body_len;
|
|
58
|
920 uintptr_t escape;
|
|
|
921 ngx_buf_t *b;
|
|
198
|
922 ngx_str_t method;
|
|
|
923 ngx_uint_t i, unparsed_uri;
|
|
58
|
924 ngx_chain_t *cl, *body;
|
|
|
925 ngx_list_part_t *part;
|
|
|
926 ngx_table_elt_t *header;
|
|
|
927 ngx_http_upstream_t *u;
|
|
348
|
928 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
929 ngx_http_script_code_pt code;
|
|
|
930 ngx_http_script_engine_t e, le;
|
|
|
931 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
932 ngx_http_script_len_code_pt lcode;
|
|
|
933
|
|
|
934 u = r->upstream;
|
|
|
935
|
|
|
936 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
937
|
|
110
|
938 if (u->method.len) {
|
|
|
939 /* HEAD was changed to GET to cache response */
|
|
|
940 method = u->method;
|
|
|
941 method.len++;
|
|
|
942
|
|
|
943 } else if (plcf->method.len) {
|
|
|
944 method = plcf->method;
|
|
|
945
|
|
58
|
946 } else {
|
|
110
|
947 method = r->method_name;
|
|
|
948 method.len++;
|
|
58
|
949 }
|
|
|
950
|
|
640
|
951 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
952
|
|
|
953 if (method.len == 5
|
|
|
954 && ngx_strncasecmp(method.data, (u_char *) "HEAD ", 5) == 0)
|
|
|
955 {
|
|
|
956 ctx->head = 1;
|
|
|
957 }
|
|
|
958
|
|
352
|
959 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
960
|
|
58
|
961 escape = 0;
|
|
348
|
962 loc_len = 0;
|
|
|
963 unparsed_uri = 0;
|
|
|
964
|
|
656
|
965 if (plcf->proxy_lengths && ctx->vars.uri.len) {
|
|
464
|
966 uri_len = ctx->vars.uri.len;
|
|
348
|
967
|
|
|
968 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
969 {
|
|
158
|
970 unparsed_uri = 1;
|
|
464
|
971 uri_len = r->unparsed_uri.len;
|
|
58
|
972
|
|
|
973 } else {
|
|
348
|
974 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
975 plcf->location.len : 0;
|
|
|
976
|
|
578
|
977 if (r->quoted_uri || r->space_in_uri || r->internal) {
|
|
58
|
978 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
979 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
980 }
|
|
|
981
|
|
464
|
982 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
983 + sizeof("?") - 1 + r->args.len;
|
|
58
|
984 }
|
|
|
985
|
|
464
|
986 if (uri_len == 0) {
|
|
|
987 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
988 "zero length URI to proxy");
|
|
|
989 return NGX_ERROR;
|
|
|
990 }
|
|
|
991
|
|
|
992 len += uri_len;
|
|
|
993
|
|
340
|
994 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
995
|
|
126
|
996 if (plcf->body_set_len) {
|
|
|
997 le.ip = plcf->body_set_len->elts;
|
|
|
998 le.request = r;
|
|
|
999 le.flushed = 1;
|
|
|
1000 body_len = 0;
|
|
|
1001
|
|
|
1002 while (*(uintptr_t *) le.ip) {
|
|
|
1003 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1004 body_len += lcode(&le);
|
|
|
1005 }
|
|
|
1006
|
|
348
|
1007 ctx->internal_body_length = body_len;
|
|
126
|
1008 len += body_len;
|
|
|
1009 }
|
|
|
1010
|
|
58
|
1011 le.ip = plcf->headers_set_len->elts;
|
|
|
1012 le.request = r;
|
|
122
|
1013 le.flushed = 1;
|
|
58
|
1014
|
|
|
1015 while (*(uintptr_t *) le.ip) {
|
|
|
1016 while (*(uintptr_t *) le.ip) {
|
|
|
1017 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1018 len += lcode(&le);
|
|
|
1019 }
|
|
|
1020 le.ip += sizeof(uintptr_t);
|
|
|
1021 }
|
|
|
1022
|
|
|
1023
|
|
|
1024 if (plcf->upstream.pass_request_headers) {
|
|
|
1025 part = &r->headers_in.headers.part;
|
|
|
1026 header = part->elts;
|
|
|
1027
|
|
|
1028 for (i = 0; /* void */; i++) {
|
|
|
1029
|
|
|
1030 if (i >= part->nelts) {
|
|
|
1031 if (part->next == NULL) {
|
|
|
1032 break;
|
|
|
1033 }
|
|
|
1034
|
|
|
1035 part = part->next;
|
|
|
1036 header = part->elts;
|
|
126
|
1037 i = 0;
|
|
58
|
1038 }
|
|
|
1039
|
|
198
|
1040 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1041 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1042 {
|
|
|
1043 continue;
|
|
|
1044 }
|
|
|
1045
|
|
|
1046 len += header[i].key.len + sizeof(": ") - 1
|
|
|
1047 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
1048 }
|
|
|
1049 }
|
|
|
1050
|
|
|
1051
|
|
|
1052 b = ngx_create_temp_buf(r->pool, len);
|
|
|
1053 if (b == NULL) {
|
|
|
1054 return NGX_ERROR;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1058 if (cl == NULL) {
|
|
|
1059 return NGX_ERROR;
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 cl->buf = b;
|
|
|
1063
|
|
|
1064
|
|
|
1065 /* the request line */
|
|
|
1066
|
|
122
|
1067 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
1068
|
|
104
|
1069 u->uri.data = b->last;
|
|
|
1070
|
|
656
|
1071 if (plcf->proxy_lengths && ctx->vars.uri.len) {
|
|
348
|
1072 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
1073
|
|
|
1074 } else if (unparsed_uri) {
|
|
122
|
1075 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
1076
|
|
58
|
1077 } else {
|
|
104
|
1078 if (r->valid_location) {
|
|
348
|
1079 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
1080 }
|
|
100
|
1081
|
|
58
|
1082 if (escape) {
|
|
|
1083 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
1084 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
1085 b->last += r->uri.len - loc_len + escape;
|
|
|
1086
|
|
126
|
1087 } else {
|
|
122
|
1088 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
1089 r->uri.len - loc_len);
|
|
58
|
1090 }
|
|
|
1091
|
|
|
1092 if (r->args.len > 0) {
|
|
|
1093 *b->last++ = '?';
|
|
122
|
1094 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
1095 }
|
|
|
1096 }
|
|
|
1097
|
|
104
|
1098 u->uri.len = b->last - u->uri.data;
|
|
|
1099
|
|
640
|
1100 if (plcf->http_version == NGX_HTTP_VERSION_11) {
|
|
|
1101 b->last = ngx_cpymem(b->last, ngx_http_proxy_version_11,
|
|
|
1102 sizeof(ngx_http_proxy_version_11) - 1);
|
|
|
1103
|
|
|
1104 } else {
|
|
|
1105 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
1106 sizeof(ngx_http_proxy_version) - 1);
|
|
|
1107 }
|
|
58
|
1108
|
|
126
|
1109 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
1110
|
|
|
1111 e.ip = plcf->headers_set->elts;
|
|
|
1112 e.pos = b->last;
|
|
|
1113 e.request = r;
|
|
122
|
1114 e.flushed = 1;
|
|
58
|
1115
|
|
|
1116 le.ip = plcf->headers_set_len->elts;
|
|
|
1117
|
|
|
1118 while (*(uintptr_t *) le.ip) {
|
|
|
1119 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
1120
|
|
|
1121 /* skip the header line name length */
|
|
|
1122 (void) lcode(&le);
|
|
58
|
1123
|
|
|
1124 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
1125
|
|
|
1126 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1127 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
1131
|
|
|
1132 } else {
|
|
|
1133 e.skip = 0;
|
|
|
1134 }
|
|
|
1135
|
|
|
1136 le.ip += sizeof(uintptr_t);
|
|
|
1137
|
|
|
1138 while (*(uintptr_t *) e.ip) {
|
|
|
1139 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1140 code((ngx_http_script_engine_t *) &e);
|
|
126
|
1141 }
|
|
58
|
1142 e.ip += sizeof(uintptr_t);
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 b->last = e.pos;
|
|
|
1146
|
|
|
1147
|
|
|
1148 if (plcf->upstream.pass_request_headers) {
|
|
|
1149 part = &r->headers_in.headers.part;
|
|
|
1150 header = part->elts;
|
|
126
|
1151
|
|
58
|
1152 for (i = 0; /* void */; i++) {
|
|
|
1153
|
|
|
1154 if (i >= part->nelts) {
|
|
|
1155 if (part->next == NULL) {
|
|
|
1156 break;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 part = part->next;
|
|
|
1160 header = part->elts;
|
|
126
|
1161 i = 0;
|
|
58
|
1162 }
|
|
|
1163
|
|
198
|
1164 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1165 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1166 {
|
|
|
1167 continue;
|
|
|
1168 }
|
|
|
1169
|
|
122
|
1170 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
1171
|
|
|
1172 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
1173
|
|
122
|
1174 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
1175 header[i].value.len);
|
|
58
|
1176
|
|
|
1177 *b->last++ = CR; *b->last++ = LF;
|
|
|
1178
|
|
|
1179 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1180 "http proxy header: \"%V: %V\"",
|
|
|
1181 &header[i].key, &header[i].value);
|
|
|
1182 }
|
|
|
1183 }
|
|
|
1184
|
|
126
|
1185
|
|
58
|
1186 /* add "\r\n" at the header end */
|
|
|
1187 *b->last++ = CR; *b->last++ = LF;
|
|
|
1188
|
|
126
|
1189 if (plcf->body_set) {
|
|
|
1190 e.ip = plcf->body_set->elts;
|
|
|
1191 e.pos = b->last;
|
|
|
1192
|
|
|
1193 while (*(uintptr_t *) e.ip) {
|
|
|
1194 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1195 code((ngx_http_script_engine_t *) &e);
|
|
|
1196 }
|
|
128
|
1197
|
|
|
1198 b->last = e.pos;
|
|
126
|
1199 }
|
|
|
1200
|
|
358
|
1201 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1202 "http proxy header:\n\"%*s\"",
|
|
|
1203 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
1204
|
|
126
|
1205 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
1206
|
|
|
1207 body = u->request_bufs;
|
|
|
1208 u->request_bufs = cl;
|
|
|
1209
|
|
|
1210 while (body) {
|
|
|
1211 b = ngx_alloc_buf(r->pool);
|
|
|
1212 if (b == NULL) {
|
|
|
1213 return NGX_ERROR;
|
|
|
1214 }
|
|
|
1215
|
|
|
1216 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
1217
|
|
|
1218 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
1219 if (cl->next == NULL) {
|
|
|
1220 return NGX_ERROR;
|
|
|
1221 }
|
|
|
1222
|
|
|
1223 cl = cl->next;
|
|
|
1224 cl->buf = b;
|
|
|
1225
|
|
|
1226 body = body->next;
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 } else {
|
|
|
1230 u->request_bufs = cl;
|
|
|
1231 }
|
|
|
1232
|
|
634
|
1233 b->flush = 1;
|
|
58
|
1234 cl->next = NULL;
|
|
|
1235
|
|
|
1236 return NGX_OK;
|
|
|
1237 }
|
|
|
1238
|
|
|
1239
|
|
|
1240 static ngx_int_t
|
|
|
1241 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
1242 {
|
|
348
|
1243 ngx_http_proxy_ctx_t *ctx;
|
|
|
1244
|
|
|
1245 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1246
|
|
|
1247 if (ctx == NULL) {
|
|
58
|
1248 return NGX_OK;
|
|
|
1249 }
|
|
|
1250
|
|
580
|
1251 ctx->status.code = 0;
|
|
|
1252 ctx->status.count = 0;
|
|
|
1253 ctx->status.start = NULL;
|
|
|
1254 ctx->status.end = NULL;
|
|
640
|
1255 ctx->state = 0;
|
|
58
|
1256
|
|
|
1257 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
640
|
1258 r->upstream->pipe->input_filter = ngx_http_proxy_copy_filter;
|
|
|
1259 r->upstream->input_filter = ngx_http_proxy_non_buffered_copy_filter;
|
|
566
|
1260 r->state = 0;
|
|
58
|
1261
|
|
|
1262 return NGX_OK;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265
|
|
|
1266 static ngx_int_t
|
|
|
1267 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
1268 {
|
|
580
|
1269 size_t len;
|
|
58
|
1270 ngx_int_t rc;
|
|
|
1271 ngx_http_upstream_t *u;
|
|
348
|
1272 ngx_http_proxy_ctx_t *ctx;
|
|
|
1273
|
|
|
1274 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1275
|
|
|
1276 if (ctx == NULL) {
|
|
356
|
1277 return NGX_ERROR;
|
|
58
|
1278 }
|
|
|
1279
|
|
580
|
1280 u = r->upstream;
|
|
|
1281
|
|
|
1282 rc = ngx_http_parse_status_line(r, &u->buffer, &ctx->status);
|
|
58
|
1283
|
|
|
1284 if (rc == NGX_AGAIN) {
|
|
|
1285 return rc;
|
|
|
1286 }
|
|
|
1287
|
|
580
|
1288 if (rc == NGX_ERROR) {
|
|
464
|
1289
|
|
|
1290 #if (NGX_HTTP_CACHE)
|
|
|
1291
|
|
|
1292 if (r->cache) {
|
|
|
1293 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
1294 return NGX_OK;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297 #endif
|
|
|
1298
|
|
58
|
1299 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
1300 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
1301
|
|
168
|
1302 #if 0
|
|
58
|
1303 if (u->accel) {
|
|
|
1304 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1305 }
|
|
168
|
1306 #endif
|
|
58
|
1307
|
|
|
1308 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
1309 u->state->status = NGX_HTTP_OK;
|
|
640
|
1310 u->headers_in.connection_close = 1;
|
|
126
|
1311
|
|
58
|
1312 return NGX_OK;
|
|
|
1313 }
|
|
|
1314
|
|
464
|
1315 if (u->state) {
|
|
580
|
1316 u->state->status = ctx->status.code;
|
|
464
|
1317 }
|
|
|
1318
|
|
580
|
1319 u->headers_in.status_n = ctx->status.code;
|
|
|
1320
|
|
|
1321 len = ctx->status.end - ctx->status.start;
|
|
|
1322 u->headers_in.status_line.len = len;
|
|
|
1323
|
|
|
1324 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
78
|
1325 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1326 return NGX_ERROR;
|
|
58
|
1327 }
|
|
122
|
1328
|
|
580
|
1329 ngx_memcpy(u->headers_in.status_line.data, ctx->status.start, len);
|
|
58
|
1330
|
|
|
1331 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1332 "http proxy status %ui \"%V\"",
|
|
270
|
1333 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1334
|
|
640
|
1335 if (ctx->status.http_version < NGX_HTTP_VERSION_11) {
|
|
|
1336 u->headers_in.connection_close = 1;
|
|
|
1337 }
|
|
|
1338
|
|
58
|
1339 u->process_header = ngx_http_proxy_process_header;
|
|
|
1340
|
|
|
1341 return ngx_http_proxy_process_header(r);
|
|
|
1342 }
|
|
|
1343
|
|
|
1344
|
|
|
1345 static ngx_int_t
|
|
|
1346 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1347 {
|
|
|
1348 ngx_int_t rc;
|
|
|
1349 ngx_table_elt_t *h;
|
|
640
|
1350 ngx_http_upstream_t *u;
|
|
|
1351 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
1352 ngx_http_upstream_header_t *hh;
|
|
|
1353 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1354
|
|
|
1355 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1356
|
|
378
|
1357 for ( ;; ) {
|
|
58
|
1358
|
|
412
|
1359 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1360
|
|
|
1361 if (rc == NGX_OK) {
|
|
|
1362
|
|
|
1363 /* a header line has been parsed successfully */
|
|
|
1364
|
|
|
1365 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1366 if (h == NULL) {
|
|
356
|
1367 return NGX_ERROR;
|
|
58
|
1368 }
|
|
|
1369
|
|
|
1370 h->hash = r->header_hash;
|
|
|
1371
|
|
|
1372 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1373 h->value.len = r->header_end - r->header_start;
|
|
|
1374
|
|
382
|
1375 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1376 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1377 if (h->key.data == NULL) {
|
|
356
|
1378 return NGX_ERROR;
|
|
58
|
1379 }
|
|
|
1380
|
|
|
1381 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1382 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1383
|
|
666
|
1384 ngx_memcpy(h->key.data, r->header_name_start, h->key.len);
|
|
|
1385 h->key.data[h->key.len] = '\0';
|
|
|
1386 ngx_memcpy(h->value.data, r->header_start, h->value.len);
|
|
|
1387 h->value.data[h->value.len] = '\0';
|
|
58
|
1388
|
|
198
|
1389 if (h->key.len == r->lowcase_index) {
|
|
|
1390 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1391
|
|
|
1392 } else {
|
|
392
|
1393 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1394 }
|
|
|
1395
|
|
198
|
1396 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1397 h->lowcase_key, h->key.len);
|
|
|
1398
|
|
|
1399 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1400 return NGX_ERROR;
|
|
198
|
1401 }
|
|
|
1402
|
|
58
|
1403 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1404 "http proxy header: \"%V: %V\"",
|
|
|
1405 &h->key, &h->value);
|
|
|
1406
|
|
|
1407 continue;
|
|
|
1408 }
|
|
|
1409
|
|
|
1410 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1411
|
|
|
1412 /* a whole header has been parsed successfully */
|
|
|
1413
|
|
|
1414 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1415 "http proxy header done");
|
|
|
1416
|
|
198
|
1417 /*
|
|
|
1418 * if no "Server" and "Date" in header line,
|
|
|
1419 * then add the special empty headers
|
|
|
1420 */
|
|
|
1421
|
|
|
1422 if (r->upstream->headers_in.server == NULL) {
|
|
|
1423 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1424 if (h == NULL) {
|
|
356
|
1425 return NGX_ERROR;
|
|
198
|
1426 }
|
|
|
1427
|
|
|
1428 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1429 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1430
|
|
570
|
1431 ngx_str_set(&h->key, "Server");
|
|
|
1432 ngx_str_null(&h->value);
|
|
198
|
1433 h->lowcase_key = (u_char *) "server";
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 if (r->upstream->headers_in.date == NULL) {
|
|
|
1437 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1438 if (h == NULL) {
|
|
356
|
1439 return NGX_ERROR;
|
|
198
|
1440 }
|
|
|
1441
|
|
|
1442 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1443
|
|
570
|
1444 ngx_str_set(&h->key, "Date");
|
|
|
1445 ngx_str_null(&h->value);
|
|
198
|
1446 h->lowcase_key = (u_char *) "date";
|
|
|
1447 }
|
|
|
1448
|
|
640
|
1449 /* clear content length if response is chunked */
|
|
|
1450
|
|
|
1451 u = r->upstream;
|
|
|
1452
|
|
|
1453 if (u->headers_in.chunked) {
|
|
|
1454 u->headers_in.content_length_n = -1;
|
|
|
1455 }
|
|
|
1456
|
|
|
1457 /*
|
|
|
1458 * set u->keepalive if response has no body; this allows to keep
|
|
|
1459 * connections alive in case of r->header_only or X-Accel-Redirect
|
|
|
1460 */
|
|
|
1461
|
|
|
1462 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1463
|
|
|
1464 if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT
|
|
|
1465 || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED
|
|
|
1466 || ctx->head
|
|
|
1467 || (!u->headers_in.chunked
|
|
|
1468 && u->headers_in.content_length_n == 0))
|
|
|
1469 {
|
|
|
1470 u->keepalive = !u->headers_in.connection_close;
|
|
|
1471 }
|
|
|
1472
|
|
58
|
1473 return NGX_OK;
|
|
|
1474 }
|
|
|
1475
|
|
70
|
1476 if (rc == NGX_AGAIN) {
|
|
|
1477 return NGX_AGAIN;
|
|
|
1478 }
|
|
|
1479
|
|
58
|
1480 /* there was error while a header line parsing */
|
|
|
1481
|
|
|
1482 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1483 "upstream sent invalid header");
|
|
58
|
1484
|
|
|
1485 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1486 }
|
|
|
1487 }
|
|
|
1488
|
|
|
1489
|
|
640
|
1490 static ngx_int_t
|
|
|
1491 ngx_http_proxy_input_filter_init(void *data)
|
|
|
1492 {
|
|
|
1493 ngx_http_request_t *r = data;
|
|
|
1494 ngx_http_upstream_t *u;
|
|
|
1495 ngx_http_proxy_ctx_t *ctx;
|
|
|
1496
|
|
|
1497 u = r->upstream;
|
|
|
1498 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1499
|
|
672
|
1500 if (ctx == NULL) {
|
|
|
1501 return NGX_ERROR;
|
|
|
1502 }
|
|
|
1503
|
|
640
|
1504 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1505 "http proxy filter init s:%d h:%d c:%d l:%O",
|
|
|
1506 u->headers_in.status_n, ctx->head, u->headers_in.chunked,
|
|
|
1507 u->headers_in.content_length_n);
|
|
|
1508
|
|
|
1509 /* as per RFC2616, 4.4 Message Length */
|
|
|
1510
|
|
|
1511 if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT
|
|
|
1512 || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED
|
|
|
1513 || ctx->head)
|
|
|
1514 {
|
|
|
1515 /* 1xx, 204, and 304 and replies to HEAD requests */
|
|
|
1516 /* no 1xx since we don't send Expect and Upgrade */
|
|
|
1517
|
|
|
1518 u->pipe->length = 0;
|
|
|
1519 u->length = 0;
|
|
|
1520 u->keepalive = !u->headers_in.connection_close;
|
|
|
1521
|
|
|
1522 } else if (u->headers_in.chunked) {
|
|
|
1523 /* chunked */
|
|
|
1524
|
|
|
1525 u->pipe->input_filter = ngx_http_proxy_chunked_filter;
|
|
|
1526 u->pipe->length = 3; /* "0" LF LF */
|
|
|
1527
|
|
|
1528 u->input_filter = ngx_http_proxy_non_buffered_chunked_filter;
|
|
|
1529 u->length = -1;
|
|
|
1530
|
|
|
1531 } else if (u->headers_in.content_length_n == 0) {
|
|
|
1532 /* empty body: special case as filter won't be called */
|
|
|
1533
|
|
|
1534 u->pipe->length = 0;
|
|
|
1535 u->length = 0;
|
|
|
1536 u->keepalive = !u->headers_in.connection_close;
|
|
|
1537
|
|
|
1538 } else {
|
|
|
1539 /* content length or connection close */
|
|
|
1540
|
|
|
1541 u->pipe->length = u->headers_in.content_length_n;
|
|
|
1542 u->length = u->headers_in.content_length_n;
|
|
|
1543 }
|
|
|
1544
|
|
|
1545 return NGX_OK;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548
|
|
|
1549 static ngx_int_t
|
|
|
1550 ngx_http_proxy_copy_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
|
|
|
1551 {
|
|
|
1552 ngx_buf_t *b;
|
|
|
1553 ngx_chain_t *cl;
|
|
|
1554 ngx_http_request_t *r;
|
|
|
1555
|
|
|
1556 if (buf->pos == buf->last) {
|
|
|
1557 return NGX_OK;
|
|
|
1558 }
|
|
|
1559
|
|
|
1560 if (p->free) {
|
|
|
1561 cl = p->free;
|
|
|
1562 b = cl->buf;
|
|
|
1563 p->free = cl->next;
|
|
|
1564 ngx_free_chain(p->pool, cl);
|
|
|
1565
|
|
|
1566 } else {
|
|
|
1567 b = ngx_alloc_buf(p->pool);
|
|
|
1568 if (b == NULL) {
|
|
|
1569 return NGX_ERROR;
|
|
|
1570 }
|
|
|
1571 }
|
|
|
1572
|
|
|
1573 ngx_memcpy(b, buf, sizeof(ngx_buf_t));
|
|
|
1574 b->shadow = buf;
|
|
|
1575 b->tag = p->tag;
|
|
|
1576 b->last_shadow = 1;
|
|
|
1577 b->recycled = 1;
|
|
|
1578 buf->shadow = b;
|
|
|
1579
|
|
|
1580 cl = ngx_alloc_chain_link(p->pool);
|
|
|
1581 if (cl == NULL) {
|
|
|
1582 return NGX_ERROR;
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 cl->buf = b;
|
|
|
1586 cl->next = NULL;
|
|
|
1587
|
|
|
1588 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num);
|
|
|
1589
|
|
|
1590 if (p->in) {
|
|
|
1591 *p->last_in = cl;
|
|
|
1592 } else {
|
|
|
1593 p->in = cl;
|
|
|
1594 }
|
|
|
1595 p->last_in = &cl->next;
|
|
|
1596
|
|
|
1597 if (p->length == -1) {
|
|
|
1598 return NGX_OK;
|
|
|
1599 }
|
|
|
1600
|
|
|
1601 p->length -= b->last - b->pos;
|
|
|
1602
|
|
|
1603 if (p->length == 0) {
|
|
|
1604 r = p->input_ctx;
|
|
|
1605 p->upstream_done = 1;
|
|
|
1606 r->upstream->keepalive = !r->upstream->headers_in.connection_close;
|
|
|
1607
|
|
|
1608 } else if (p->length < 0) {
|
|
|
1609 r = p->input_ctx;
|
|
|
1610 p->upstream_done = 1;
|
|
|
1611
|
|
642
|
1612 ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
|
|
644
|
1613 "upstream sent too much data");
|
|
640
|
1614 }
|
|
|
1615
|
|
|
1616 return NGX_OK;
|
|
|
1617 }
|
|
|
1618
|
|
|
1619
|
|
|
1620 static ngx_inline ngx_int_t
|
|
|
1621 ngx_http_proxy_parse_chunked(ngx_http_request_t *r, ngx_buf_t *buf)
|
|
|
1622 {
|
|
|
1623 u_char *pos, ch, c;
|
|
|
1624 ngx_int_t rc;
|
|
|
1625 ngx_http_proxy_ctx_t *ctx;
|
|
|
1626 enum {
|
|
|
1627 sw_chunk_start = 0,
|
|
|
1628 sw_chunk_size,
|
|
|
1629 sw_chunk_extension,
|
|
|
1630 sw_chunk_extension_almost_done,
|
|
|
1631 sw_chunk_data,
|
|
|
1632 sw_after_data,
|
|
|
1633 sw_after_data_almost_done,
|
|
|
1634 sw_last_chunk_extension,
|
|
|
1635 sw_last_chunk_extension_almost_done,
|
|
|
1636 sw_trailer,
|
|
|
1637 sw_trailer_almost_done,
|
|
|
1638 sw_trailer_header,
|
|
|
1639 sw_trailer_header_almost_done
|
|
|
1640 } state;
|
|
|
1641
|
|
|
1642 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
672
|
1643
|
|
|
1644 if (ctx == NULL) {
|
|
|
1645 return NGX_ERROR;
|
|
|
1646 }
|
|
|
1647
|
|
640
|
1648 state = ctx->state;
|
|
|
1649
|
|
|
1650 if (state == sw_chunk_data && ctx->size == 0) {
|
|
|
1651 state = sw_after_data;
|
|
|
1652 }
|
|
|
1653
|
|
|
1654 rc = NGX_AGAIN;
|
|
|
1655
|
|
|
1656 for (pos = buf->pos; pos < buf->last; pos++) {
|
|
|
1657
|
|
|
1658 ch = *pos;
|
|
|
1659
|
|
|
1660 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1661 "http proxy chunked byte: %02Xd s:%d", ch, state);
|
|
|
1662
|
|
|
1663 switch (state) {
|
|
|
1664
|
|
|
1665 case sw_chunk_start:
|
|
|
1666 if (ch >= '0' && ch <= '9') {
|
|
|
1667 state = sw_chunk_size;
|
|
|
1668 ctx->size = ch - '0';
|
|
|
1669 break;
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 c = (u_char) (ch | 0x20);
|
|
|
1673
|
|
|
1674 if (c >= 'a' && c <= 'f') {
|
|
|
1675 state = sw_chunk_size;
|
|
|
1676 ctx->size = c - 'a' + 10;
|
|
|
1677 break;
|
|
|
1678 }
|
|
|
1679
|
|
|
1680 goto invalid;
|
|
|
1681
|
|
|
1682 case sw_chunk_size:
|
|
|
1683 if (ch >= '0' && ch <= '9') {
|
|
|
1684 ctx->size = ctx->size * 16 + (ch - '0');
|
|
|
1685 break;
|
|
|
1686 }
|
|
|
1687
|
|
|
1688 c = (u_char) (ch | 0x20);
|
|
|
1689
|
|
|
1690 if (c >= 'a' && c <= 'f') {
|
|
|
1691 ctx->size = ctx->size * 16 + (c - 'a' + 10);
|
|
|
1692 break;
|
|
|
1693 }
|
|
|
1694
|
|
|
1695 if (ctx->size == 0) {
|
|
|
1696
|
|
|
1697 switch (ch) {
|
|
|
1698 case CR:
|
|
|
1699 state = sw_last_chunk_extension_almost_done;
|
|
|
1700 break;
|
|
|
1701 case LF:
|
|
|
1702 state = sw_trailer;
|
|
|
1703 break;
|
|
|
1704 case ';':
|
|
642
|
1705 case ' ':
|
|
|
1706 case '\t':
|
|
640
|
1707 state = sw_last_chunk_extension;
|
|
|
1708 break;
|
|
|
1709 default:
|
|
|
1710 goto invalid;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713 break;
|
|
|
1714 }
|
|
|
1715
|
|
|
1716 switch (ch) {
|
|
|
1717 case CR:
|
|
|
1718 state = sw_chunk_extension_almost_done;
|
|
|
1719 break;
|
|
|
1720 case LF:
|
|
|
1721 state = sw_chunk_data;
|
|
|
1722 break;
|
|
|
1723 case ';':
|
|
642
|
1724 case ' ':
|
|
|
1725 case '\t':
|
|
640
|
1726 state = sw_chunk_extension;
|
|
|
1727 break;
|
|
|
1728 default:
|
|
|
1729 goto invalid;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 break;
|
|
|
1733
|
|
|
1734 case sw_chunk_extension:
|
|
|
1735 switch (ch) {
|
|
|
1736 case CR:
|
|
|
1737 state = sw_chunk_extension_almost_done;
|
|
|
1738 break;
|
|
|
1739 case LF:
|
|
|
1740 state = sw_chunk_data;
|
|
|
1741 }
|
|
|
1742 break;
|
|
|
1743
|
|
|
1744 case sw_chunk_extension_almost_done:
|
|
|
1745 if (ch == LF) {
|
|
|
1746 state = sw_chunk_data;
|
|
|
1747 break;
|
|
|
1748 }
|
|
|
1749 goto invalid;
|
|
|
1750
|
|
|
1751 case sw_chunk_data:
|
|
|
1752 rc = NGX_OK;
|
|
|
1753 goto data;
|
|
|
1754
|
|
|
1755 case sw_after_data:
|
|
|
1756 switch (ch) {
|
|
|
1757 case CR:
|
|
|
1758 state = sw_after_data_almost_done;
|
|
|
1759 break;
|
|
|
1760 case LF:
|
|
|
1761 state = sw_chunk_start;
|
|
|
1762 }
|
|
|
1763 break;
|
|
|
1764
|
|
|
1765 case sw_after_data_almost_done:
|
|
|
1766 if (ch == LF) {
|
|
|
1767 state = sw_chunk_start;
|
|
|
1768 break;
|
|
|
1769 }
|
|
|
1770 goto invalid;
|
|
|
1771
|
|
|
1772 case sw_last_chunk_extension:
|
|
|
1773 switch (ch) {
|
|
|
1774 case CR:
|
|
|
1775 state = sw_last_chunk_extension_almost_done;
|
|
|
1776 break;
|
|
|
1777 case LF:
|
|
|
1778 state = sw_trailer;
|
|
|
1779 }
|
|
|
1780 break;
|
|
|
1781
|
|
|
1782 case sw_last_chunk_extension_almost_done:
|
|
|
1783 if (ch == LF) {
|
|
|
1784 state = sw_trailer;
|
|
|
1785 break;
|
|
|
1786 }
|
|
|
1787 goto invalid;
|
|
|
1788
|
|
|
1789 case sw_trailer:
|
|
|
1790 switch (ch) {
|
|
|
1791 case CR:
|
|
|
1792 state = sw_trailer_almost_done;
|
|
|
1793 break;
|
|
|
1794 case LF:
|
|
|
1795 goto done;
|
|
|
1796 default:
|
|
|
1797 state = sw_trailer_header;
|
|
|
1798 }
|
|
|
1799 break;
|
|
|
1800
|
|
|
1801 case sw_trailer_almost_done:
|
|
|
1802 if (ch == LF) {
|
|
|
1803 goto done;
|
|
|
1804 }
|
|
|
1805 goto invalid;
|
|
|
1806
|
|
|
1807 case sw_trailer_header:
|
|
|
1808 switch (ch) {
|
|
|
1809 case CR:
|
|
|
1810 state = sw_trailer_header_almost_done;
|
|
|
1811 break;
|
|
|
1812 case LF:
|
|
|
1813 state = sw_trailer;
|
|
|
1814 }
|
|
|
1815 break;
|
|
|
1816
|
|
|
1817 case sw_trailer_header_almost_done:
|
|
|
1818 if (ch == LF) {
|
|
|
1819 state = sw_trailer;
|
|
|
1820 break;
|
|
|
1821 }
|
|
|
1822 goto invalid;
|
|
|
1823
|
|
|
1824 }
|
|
|
1825 }
|
|
|
1826
|
|
|
1827 data:
|
|
|
1828
|
|
|
1829 ctx->state = state;
|
|
|
1830 buf->pos = pos;
|
|
|
1831
|
|
|
1832 switch (state) {
|
|
|
1833
|
|
|
1834 case sw_chunk_start:
|
|
|
1835 ctx->length = 3 /* "0" LF LF */;
|
|
|
1836 break;
|
|
|
1837 case sw_chunk_size:
|
|
|
1838 ctx->length = 2 /* LF LF */
|
|
|
1839 + (ctx->size ? ctx->size + 4 /* LF "0" LF LF */ : 0);
|
|
|
1840 break;
|
|
|
1841 case sw_chunk_extension:
|
|
|
1842 case sw_chunk_extension_almost_done:
|
|
|
1843 ctx->length = 1 /* LF */ + ctx->size + 4 /* LF "0" LF LF */;
|
|
|
1844 break;
|
|
|
1845 case sw_chunk_data:
|
|
|
1846 ctx->length = ctx->size + 4 /* LF "0" LF LF */;
|
|
|
1847 break;
|
|
|
1848 case sw_after_data:
|
|
|
1849 case sw_after_data_almost_done:
|
|
|
1850 ctx->length = 4 /* LF "0" LF LF */;
|
|
|
1851 break;
|
|
|
1852 case sw_last_chunk_extension:
|
|
|
1853 case sw_last_chunk_extension_almost_done:
|
|
|
1854 ctx->length = 2 /* LF LF */;
|
|
|
1855 break;
|
|
|
1856 case sw_trailer:
|
|
|
1857 case sw_trailer_almost_done:
|
|
|
1858 ctx->length = 1 /* LF */;
|
|
|
1859 break;
|
|
|
1860 case sw_trailer_header:
|
|
|
1861 case sw_trailer_header_almost_done:
|
|
|
1862 ctx->length = 2 /* LF LF */;
|
|
|
1863 break;
|
|
|
1864
|
|
|
1865 }
|
|
|
1866
|
|
|
1867 return rc;
|
|
|
1868
|
|
|
1869 done:
|
|
|
1870
|
|
|
1871 return NGX_DONE;
|
|
|
1872
|
|
|
1873 invalid:
|
|
|
1874
|
|
|
1875 return NGX_ERROR;
|
|
|
1876 }
|
|
|
1877
|
|
|
1878
|
|
|
1879 static ngx_int_t
|
|
|
1880 ngx_http_proxy_chunked_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
|
|
|
1881 {
|
|
|
1882 ngx_int_t rc;
|
|
|
1883 ngx_buf_t *b, **prev;
|
|
|
1884 ngx_chain_t *cl;
|
|
|
1885 ngx_http_request_t *r;
|
|
|
1886 ngx_http_proxy_ctx_t *ctx;
|
|
|
1887
|
|
|
1888 if (buf->pos == buf->last) {
|
|
|
1889 return NGX_OK;
|
|
|
1890 }
|
|
|
1891
|
|
|
1892 r = p->input_ctx;
|
|
|
1893 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1894
|
|
672
|
1895 if (ctx == NULL) {
|
|
|
1896 return NGX_ERROR;
|
|
|
1897 }
|
|
|
1898
|
|
640
|
1899 b = NULL;
|
|
|
1900 prev = &buf->shadow;
|
|
|
1901
|
|
|
1902 for ( ;; ) {
|
|
|
1903
|
|
|
1904 rc = ngx_http_proxy_parse_chunked(r, buf);
|
|
|
1905
|
|
|
1906 if (rc == NGX_OK) {
|
|
|
1907
|
|
|
1908 /* a chunk has been parsed successfully */
|
|
|
1909
|
|
|
1910 if (p->free) {
|
|
|
1911 cl = p->free;
|
|
|
1912 b = cl->buf;
|
|
|
1913 p->free = cl->next;
|
|
|
1914 ngx_free_chain(p->pool, cl);
|
|
|
1915
|
|
|
1916 } else {
|
|
|
1917 b = ngx_alloc_buf(p->pool);
|
|
|
1918 if (b == NULL) {
|
|
|
1919 return NGX_ERROR;
|
|
|
1920 }
|
|
|
1921 }
|
|
|
1922
|
|
|
1923 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
1924
|
|
|
1925 b->pos = buf->pos;
|
|
|
1926 b->start = buf->start;
|
|
|
1927 b->end = buf->end;
|
|
|
1928 b->tag = p->tag;
|
|
|
1929 b->temporary = 1;
|
|
|
1930 b->recycled = 1;
|
|
|
1931
|
|
|
1932 *prev = b;
|
|
|
1933 prev = &b->shadow;
|
|
|
1934
|
|
|
1935 cl = ngx_alloc_chain_link(p->pool);
|
|
|
1936 if (cl == NULL) {
|
|
|
1937 return NGX_ERROR;
|
|
|
1938 }
|
|
|
1939
|
|
|
1940 cl->buf = b;
|
|
|
1941 cl->next = NULL;
|
|
|
1942
|
|
|
1943 if (p->in) {
|
|
|
1944 *p->last_in = cl;
|
|
|
1945 } else {
|
|
|
1946 p->in = cl;
|
|
|
1947 }
|
|
|
1948 p->last_in = &cl->next;
|
|
|
1949
|
|
|
1950 /* STUB */ b->num = buf->num;
|
|
|
1951
|
|
|
1952 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0,
|
|
|
1953 "input buf #%d %p", b->num, b->pos);
|
|
|
1954
|
|
|
1955 if (buf->last - buf->pos >= ctx->size) {
|
|
|
1956
|
|
|
1957 buf->pos += ctx->size;
|
|
|
1958 b->last = buf->pos;
|
|
|
1959 ctx->size = 0;
|
|
|
1960
|
|
|
1961 continue;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964 ctx->size -= buf->last - buf->pos;
|
|
|
1965 buf->pos = buf->last;
|
|
|
1966 b->last = buf->last;
|
|
|
1967
|
|
|
1968 continue;
|
|
|
1969 }
|
|
|
1970
|
|
|
1971 if (rc == NGX_DONE) {
|
|
|
1972
|
|
|
1973 /* a whole response has been parsed successfully */
|
|
|
1974
|
|
|
1975 p->upstream_done = 1;
|
|
|
1976 r->upstream->keepalive = !r->upstream->headers_in.connection_close;
|
|
|
1977
|
|
|
1978 break;
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 if (rc == NGX_AGAIN) {
|
|
|
1982
|
|
|
1983 /* set p->length, minimal amount of data we want to see */
|
|
|
1984
|
|
|
1985 p->length = ctx->length;
|
|
|
1986
|
|
|
1987 break;
|
|
|
1988 }
|
|
|
1989
|
|
|
1990 /* invalid response */
|
|
|
1991
|
|
642
|
1992 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
640
|
1993 "upstream sent invalid chunked response");
|
|
|
1994
|
|
|
1995 return NGX_ERROR;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1999 "http proxy chunked state %d, length %d",
|
|
|
2000 ctx->state, p->length);
|
|
|
2001
|
|
|
2002 if (b) {
|
|
|
2003 b->shadow = buf;
|
|
|
2004 b->last_shadow = 1;
|
|
|
2005
|
|
|
2006 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0,
|
|
|
2007 "input buf %p %z", b->pos, b->last - b->pos);
|
|
|
2008
|
|
|
2009 return NGX_OK;
|
|
|
2010 }
|
|
|
2011
|
|
|
2012 /* there is no data record in the buf, add it to free chain */
|
|
|
2013
|
|
|
2014 if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) {
|
|
|
2015 return NGX_ERROR;
|
|
|
2016 }
|
|
|
2017
|
|
|
2018 return NGX_OK;
|
|
|
2019 }
|
|
|
2020
|
|
|
2021
|
|
|
2022 static ngx_int_t
|
|
|
2023 ngx_http_proxy_non_buffered_copy_filter(void *data, ssize_t bytes)
|
|
|
2024 {
|
|
|
2025 ngx_http_request_t *r = data;
|
|
|
2026
|
|
|
2027 ngx_buf_t *b;
|
|
|
2028 ngx_chain_t *cl, **ll;
|
|
|
2029 ngx_http_upstream_t *u;
|
|
|
2030
|
|
|
2031 u = r->upstream;
|
|
|
2032
|
|
|
2033 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) {
|
|
|
2034 ll = &cl->next;
|
|
|
2035 }
|
|
|
2036
|
|
|
2037 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs);
|
|
|
2038 if (cl == NULL) {
|
|
|
2039 return NGX_ERROR;
|
|
|
2040 }
|
|
|
2041
|
|
|
2042 *ll = cl;
|
|
|
2043
|
|
|
2044 cl->buf->flush = 1;
|
|
|
2045 cl->buf->memory = 1;
|
|
|
2046
|
|
|
2047 b = &u->buffer;
|
|
|
2048
|
|
|
2049 cl->buf->pos = b->last;
|
|
|
2050 b->last += bytes;
|
|
|
2051 cl->buf->last = b->last;
|
|
|
2052 cl->buf->tag = u->output.tag;
|
|
|
2053
|
|
|
2054 if (u->length == -1) {
|
|
|
2055 return NGX_OK;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 u->length -= bytes;
|
|
|
2059
|
|
|
2060 if (u->length == 0) {
|
|
|
2061 u->keepalive = !u->headers_in.connection_close;
|
|
|
2062 }
|
|
|
2063
|
|
|
2064 return NGX_OK;
|
|
|
2065 }
|
|
|
2066
|
|
|
2067
|
|
|
2068 static ngx_int_t
|
|
|
2069 ngx_http_proxy_non_buffered_chunked_filter(void *data, ssize_t bytes)
|
|
|
2070 {
|
|
|
2071 ngx_http_request_t *r = data;
|
|
|
2072
|
|
|
2073 ngx_int_t rc;
|
|
|
2074 ngx_buf_t *b, *buf;
|
|
|
2075 ngx_chain_t *cl, **ll;
|
|
|
2076 ngx_http_upstream_t *u;
|
|
|
2077 ngx_http_proxy_ctx_t *ctx;
|
|
|
2078
|
|
|
2079 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
672
|
2080
|
|
|
2081 if (ctx == NULL) {
|
|
|
2082 return NGX_ERROR;
|
|
|
2083 }
|
|
|
2084
|
|
640
|
2085 u = r->upstream;
|
|
|
2086 buf = &u->buffer;
|
|
|
2087
|
|
|
2088 buf->pos = buf->last;
|
|
|
2089 buf->last += bytes;
|
|
|
2090
|
|
|
2091 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) {
|
|
|
2092 ll = &cl->next;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 for ( ;; ) {
|
|
|
2096
|
|
|
2097 rc = ngx_http_proxy_parse_chunked(r, buf);
|
|
|
2098
|
|
|
2099 if (rc == NGX_OK) {
|
|
|
2100
|
|
|
2101 /* a chunk has been parsed successfully */
|
|
|
2102
|
|
|
2103 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs);
|
|
|
2104 if (cl == NULL) {
|
|
|
2105 return NGX_ERROR;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108 *ll = cl;
|
|
|
2109 ll = &cl->next;
|
|
|
2110
|
|
|
2111 b = cl->buf;
|
|
|
2112
|
|
|
2113 b->flush = 1;
|
|
|
2114 b->memory = 1;
|
|
|
2115
|
|
|
2116 b->pos = buf->pos;
|
|
|
2117 b->tag = u->output.tag;
|
|
|
2118
|
|
|
2119 if (buf->last - buf->pos >= ctx->size) {
|
|
|
2120 buf->pos += ctx->size;
|
|
|
2121 b->last = buf->pos;
|
|
|
2122 ctx->size = 0;
|
|
|
2123
|
|
|
2124 } else {
|
|
|
2125 ctx->size -= buf->last - buf->pos;
|
|
|
2126 buf->pos = buf->last;
|
|
|
2127 b->last = buf->last;
|
|
|
2128 }
|
|
|
2129
|
|
|
2130 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2131 "http proxy out buf %p %z",
|
|
|
2132 b->pos, b->last - b->pos);
|
|
|
2133
|
|
|
2134 continue;
|
|
|
2135 }
|
|
|
2136
|
|
|
2137 if (rc == NGX_DONE) {
|
|
|
2138
|
|
|
2139 /* a whole response has been parsed successfully */
|
|
|
2140
|
|
|
2141 u->keepalive = !u->headers_in.connection_close;
|
|
|
2142 u->length = 0;
|
|
|
2143
|
|
|
2144 break;
|
|
|
2145 }
|
|
|
2146
|
|
|
2147 if (rc == NGX_AGAIN) {
|
|
|
2148 break;
|
|
|
2149 }
|
|
|
2150
|
|
|
2151 /* invalid response */
|
|
|
2152
|
|
642
|
2153 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
640
|
2154 "upstream sent invalid chunked response");
|
|
|
2155
|
|
|
2156 return NGX_ERROR;
|
|
|
2157 }
|
|
|
2158
|
|
|
2159 /* provide continuous buffer for subrequests in memory */
|
|
|
2160
|
|
|
2161 if (r->subrequest_in_memory) {
|
|
|
2162
|
|
|
2163 cl = u->out_bufs;
|
|
|
2164
|
|
|
2165 if (cl) {
|
|
|
2166 buf->pos = cl->buf->pos;
|
|
|
2167 }
|
|
|
2168
|
|
|
2169 buf->last = buf->pos;
|
|
|
2170
|
|
|
2171 for (cl = u->out_bufs; cl; cl = cl->next) {
|
|
|
2172 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2173 "http proxy in memory %p-%p %uz",
|
|
|
2174 cl->buf->pos, cl->buf->last, ngx_buf_size(cl->buf));
|
|
|
2175
|
|
|
2176 if (buf->last == cl->buf->pos) {
|
|
|
2177 buf->last = cl->buf->last;
|
|
|
2178 continue;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181 buf->last = ngx_movemem(buf->last, cl->buf->pos,
|
|
|
2182 cl->buf->last - cl->buf->pos);
|
|
|
2183
|
|
|
2184 cl->buf->pos = buf->last - (cl->buf->last - cl->buf->pos);
|
|
|
2185 cl->buf->last = buf->last;
|
|
|
2186 }
|
|
|
2187 }
|
|
|
2188
|
|
|
2189 return NGX_OK;
|
|
|
2190 }
|
|
|
2191
|
|
|
2192
|
|
58
|
2193 static void
|
|
|
2194 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
2195 {
|
|
|
2196 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2197 "abort http proxy request");
|
|
126
|
2198
|
|
58
|
2199 return;
|
|
|
2200 }
|
|
|
2201
|
|
|
2202
|
|
|
2203 static void
|
|
|
2204 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
2205 {
|
|
58
|
2206 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2207 "finalize http proxy request");
|
|
|
2208
|
|
|
2209 return;
|
|
|
2210 }
|
|
|
2211
|
|
|
2212
|
|
122
|
2213 static ngx_int_t
|
|
|
2214 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
2215 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
2216 {
|
|
348
|
2217 ngx_http_proxy_ctx_t *ctx;
|
|
|
2218
|
|
|
2219 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
2220
|
|
|
2221 if (ctx == NULL) {
|
|
|
2222 v->not_found = 1;
|
|
|
2223 return NGX_OK;
|
|
|
2224 }
|
|
|
2225
|
|
|
2226 v->len = ctx->vars.host_header.len;
|
|
126
|
2227 v->valid = 1;
|
|
340
|
2228 v->no_cacheable = 0;
|
|
122
|
2229 v->not_found = 0;
|
|
348
|
2230 v->data = ctx->vars.host_header.data;
|
|
58
|
2231
|
|
122
|
2232 return NGX_OK;
|
|
58
|
2233 }
|
|
|
2234
|
|
|
2235
|
|
122
|
2236 static ngx_int_t
|
|
|
2237 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
2238 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
2239 {
|
|
348
|
2240 ngx_http_proxy_ctx_t *ctx;
|
|
|
2241
|
|
|
2242 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
2243
|
|
|
2244 if (ctx == NULL) {
|
|
|
2245 v->not_found = 1;
|
|
|
2246 return NGX_OK;
|
|
|
2247 }
|
|
|
2248
|
|
|
2249 v->len = ctx->vars.port.len;
|
|
126
|
2250 v->valid = 1;
|
|
340
|
2251 v->no_cacheable = 0;
|
|
122
|
2252 v->not_found = 0;
|
|
348
|
2253 v->data = ctx->vars.port.data;
|
|
58
|
2254
|
|
122
|
2255 return NGX_OK;
|
|
58
|
2256 }
|
|
|
2257
|
|
|
2258
|
|
122
|
2259 static ngx_int_t
|
|
58
|
2260 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
2261 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
2262 {
|
|
122
|
2263 u_char *p;
|
|
58
|
2264
|
|
126
|
2265 v->valid = 1;
|
|
340
|
2266 v->no_cacheable = 0;
|
|
122
|
2267 v->not_found = 0;
|
|
58
|
2268
|
|
|
2269 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
2270 v->len = r->connection->addr_text.len;
|
|
|
2271 v->data = r->connection->addr_text.data;
|
|
|
2272 return NGX_OK;
|
|
58
|
2273 }
|
|
|
2274
|
|
122
|
2275 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
2276 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
2277
|
|
382
|
2278 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
2279 if (p == NULL) {
|
|
122
|
2280 return NGX_ERROR;
|
|
58
|
2281 }
|
|
|
2282
|
|
122
|
2283 v->data = p;
|
|
58
|
2284
|
|
122
|
2285 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
2286 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
2287
|
|
|
2288 *p++ = ','; *p++ = ' ';
|
|
|
2289
|
|
|
2290 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
2291
|
|
122
|
2292 return NGX_OK;
|
|
58
|
2293 }
|
|
|
2294
|
|
|
2295
|
|
|
2296 static ngx_int_t
|
|
126
|
2297 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
2298 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
2299 {
|
|
348
|
2300 ngx_http_proxy_ctx_t *ctx;
|
|
|
2301
|
|
|
2302 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
2303
|
|
|
2304 if (ctx == NULL) {
|
|
126
|
2305 v->not_found = 1;
|
|
|
2306 return NGX_OK;
|
|
|
2307 }
|
|
|
2308
|
|
|
2309 v->valid = 1;
|
|
340
|
2310 v->no_cacheable = 0;
|
|
126
|
2311 v->not_found = 0;
|
|
|
2312
|
|
382
|
2313 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
2314
|
|
|
2315 if (v->data == NULL) {
|
|
|
2316 return NGX_ERROR;
|
|
|
2317 }
|
|
|
2318
|
|
348
|
2319 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
2320
|
|
|
2321 return NGX_OK;
|
|
|
2322 }
|
|
|
2323
|
|
|
2324
|
|
|
2325 static ngx_int_t
|
|
58
|
2326 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
2327 size_t prefix)
|
|
|
2328 {
|
|
662
|
2329 size_t len;
|
|
58
|
2330 ngx_int_t rc;
|
|
|
2331 ngx_uint_t i;
|
|
662
|
2332 ngx_http_proxy_rewrite_t *pr;
|
|
58
|
2333 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
2334
|
|
|
2335 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
2336
|
|
|
2337 pr = plcf->redirects->elts;
|
|
|
2338
|
|
|
2339 if (pr == NULL) {
|
|
|
2340 return NGX_DECLINED;
|
|
|
2341 }
|
|
|
2342
|
|
662
|
2343 len = h->value.len - prefix;
|
|
|
2344
|
|
58
|
2345 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
662
|
2346 rc = pr[i].handler(r, h, prefix, len, &pr[i]);
|
|
|
2347
|
|
|
2348 if (rc != NGX_DECLINED) {
|
|
|
2349 return rc;
|
|
|
2350 }
|
|
|
2351 }
|
|
|
2352
|
|
|
2353 return NGX_DECLINED;
|
|
|
2354 }
|
|
|
2355
|
|
|
2356
|
|
|
2357 static ngx_int_t
|
|
|
2358 ngx_http_proxy_rewrite_cookie(ngx_http_request_t *r, ngx_table_elt_t *h)
|
|
|
2359 {
|
|
|
2360 size_t prefix;
|
|
|
2361 u_char *p;
|
|
|
2362 ngx_int_t rc, rv;
|
|
|
2363 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
2364
|
|
|
2365 p = (u_char *) ngx_strchr(h->value.data, ';');
|
|
|
2366 if (p == NULL) {
|
|
|
2367 return NGX_DECLINED;
|
|
|
2368 }
|
|
|
2369
|
|
|
2370 prefix = p + 1 - h->value.data;
|
|
|
2371
|
|
|
2372 rv = NGX_DECLINED;
|
|
|
2373
|
|
|
2374 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
2375
|
|
|
2376 if (plcf->cookie_domains) {
|
|
|
2377 p = ngx_strcasestrn(h->value.data + prefix, "domain=", 7 - 1);
|
|
|
2378
|
|
|
2379 if (p) {
|
|
|
2380 rc = ngx_http_proxy_rewrite_cookie_value(r, h, p + 7,
|
|
|
2381 plcf->cookie_domains);
|
|
|
2382 if (rc == NGX_ERROR) {
|
|
|
2383 return NGX_ERROR;
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 if (rc != NGX_DECLINED) {
|
|
|
2387 rv = rc;
|
|
|
2388 }
|
|
|
2389 }
|
|
|
2390 }
|
|
|
2391
|
|
|
2392 if (plcf->cookie_paths) {
|
|
|
2393 p = ngx_strcasestrn(h->value.data + prefix, "path=", 5 - 1);
|
|
|
2394
|
|
|
2395 if (p) {
|
|
|
2396 rc = ngx_http_proxy_rewrite_cookie_value(r, h, p + 5,
|
|
|
2397 plcf->cookie_paths);
|
|
|
2398 if (rc == NGX_ERROR) {
|
|
|
2399 return NGX_ERROR;
|
|
|
2400 }
|
|
|
2401
|
|
|
2402 if (rc != NGX_DECLINED) {
|
|
|
2403 rv = rc;
|
|
|
2404 }
|
|
|
2405 }
|
|
|
2406 }
|
|
|
2407
|
|
|
2408 return rv;
|
|
|
2409 }
|
|
|
2410
|
|
|
2411
|
|
|
2412 static ngx_int_t
|
|
|
2413 ngx_http_proxy_rewrite_cookie_value(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
2414 u_char *value, ngx_array_t *rewrites)
|
|
|
2415 {
|
|
|
2416 size_t len, prefix;
|
|
|
2417 u_char *p;
|
|
|
2418 ngx_int_t rc;
|
|
|
2419 ngx_uint_t i;
|
|
|
2420 ngx_http_proxy_rewrite_t *pr;
|
|
|
2421
|
|
|
2422 prefix = value - h->value.data;
|
|
|
2423
|
|
|
2424 p = (u_char *) ngx_strchr(value, ';');
|
|
|
2425
|
|
|
2426 len = p ? (size_t) (p - value) : (h->value.len - prefix);
|
|
|
2427
|
|
|
2428 pr = rewrites->elts;
|
|
|
2429
|
|
|
2430 for (i = 0; i < rewrites->nelts; i++) {
|
|
|
2431 rc = pr[i].handler(r, h, prefix, len, &pr[i]);
|
|
58
|
2432
|
|
|
2433 if (rc != NGX_DECLINED) {
|
|
|
2434 return rc;
|
|
|
2435 }
|
|
|
2436 }
|
|
|
2437
|
|
|
2438 return NGX_DECLINED;
|
|
|
2439 }
|
|
|
2440
|
|
|
2441
|
|
|
2442 static ngx_int_t
|
|
662
|
2443 ngx_http_proxy_rewrite_complex_handler(ngx_http_request_t *r,
|
|
|
2444 ngx_table_elt_t *h, size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr)
|
|
58
|
2445 {
|
|
662
|
2446 ngx_str_t pattern, replacement;
|
|
|
2447
|
|
|
2448 if (ngx_http_complex_value(r, &pr->pattern.complex, &pattern) != NGX_OK) {
|
|
654
|
2449 return NGX_ERROR;
|
|
|
2450 }
|
|
|
2451
|
|
662
|
2452 if (pattern.len > len
|
|
|
2453 || ngx_rstrncmp(h->value.data + prefix, pattern.data,
|
|
|
2454 pattern.len) != 0)
|
|
58
|
2455 {
|
|
|
2456 return NGX_DECLINED;
|
|
|
2457 }
|
|
|
2458
|
|
654
|
2459 if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) {
|
|
|
2460 return NGX_ERROR;
|
|
|
2461 }
|
|
|
2462
|
|
662
|
2463 return ngx_http_proxy_rewrite(r, h, prefix, pattern.len, &replacement);
|
|
58
|
2464 }
|
|
|
2465
|
|
|
2466
|
|
654
|
2467 #if (NGX_PCRE)
|
|
|
2468
|
|
58
|
2469 static ngx_int_t
|
|
662
|
2470 ngx_http_proxy_rewrite_regex_handler(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
2471 size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr)
|
|
58
|
2472 {
|
|
662
|
2473 ngx_str_t pattern, replacement;
|
|
|
2474
|
|
|
2475 pattern.len = len;
|
|
|
2476 pattern.data = h->value.data + prefix;
|
|
|
2477
|
|
|
2478 if (ngx_http_regex_exec(r, pr->pattern.regex, &pattern) != NGX_OK) {
|
|
58
|
2479 return NGX_DECLINED;
|
|
|
2480 }
|
|
|
2481
|
|
654
|
2482 if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) {
|
|
58
|
2483 return NGX_ERROR;
|
|
|
2484 }
|
|
|
2485
|
|
662
|
2486 if (prefix == 0 && h->value.len == len) {
|
|
658
|
2487 h->value = replacement;
|
|
|
2488 return NGX_OK;
|
|
|
2489 }
|
|
|
2490
|
|
662
|
2491 return ngx_http_proxy_rewrite(r, h, prefix, len, &replacement);
|
|
|
2492 }
|
|
|
2493
|
|
|
2494 #endif
|
|
|
2495
|
|
|
2496
|
|
|
2497 static ngx_int_t
|
|
|
2498 ngx_http_proxy_rewrite_domain_handler(ngx_http_request_t *r,
|
|
|
2499 ngx_table_elt_t *h, size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr)
|
|
|
2500 {
|
|
|
2501 u_char *p;
|
|
|
2502 ngx_str_t pattern, replacement;
|
|
|
2503
|
|
|
2504 if (ngx_http_complex_value(r, &pr->pattern.complex, &pattern) != NGX_OK) {
|
|
|
2505 return NGX_ERROR;
|
|
|
2506 }
|
|
|
2507
|
|
|
2508 p = h->value.data + prefix;
|
|
|
2509
|
|
|
2510 if (p[0] == '.') {
|
|
|
2511 p++;
|
|
|
2512 prefix++;
|
|
|
2513 len--;
|
|
|
2514 }
|
|
|
2515
|
|
|
2516 if (pattern.len != len || ngx_rstrncasecmp(pattern.data, p, len) != 0) {
|
|
|
2517 return NGX_DECLINED;
|
|
|
2518 }
|
|
|
2519
|
|
|
2520 if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) {
|
|
658
|
2521 return NGX_ERROR;
|
|
|
2522 }
|
|
|
2523
|
|
662
|
2524 return ngx_http_proxy_rewrite(r, h, prefix, len, &replacement);
|
|
|
2525 }
|
|
|
2526
|
|
|
2527
|
|
|
2528 static ngx_int_t
|
|
|
2529 ngx_http_proxy_rewrite(ngx_http_request_t *r, ngx_table_elt_t *h, size_t prefix,
|
|
|
2530 size_t len, ngx_str_t *replacement)
|
|
|
2531 {
|
|
|
2532 u_char *p, *data;
|
|
|
2533 size_t new_len;
|
|
|
2534
|
|
|
2535 new_len = replacement->len + h->value.len - len;
|
|
|
2536
|
|
|
2537 if (replacement->len > len) {
|
|
|
2538
|
|
|
2539 data = ngx_pnalloc(r->pool, new_len);
|
|
|
2540 if (data == NULL) {
|
|
|
2541 return NGX_ERROR;
|
|
|
2542 }
|
|
|
2543
|
|
|
2544 p = ngx_copy(data, h->value.data, prefix);
|
|
|
2545 p = ngx_copy(p, replacement->data, replacement->len);
|
|
|
2546
|
|
|
2547 ngx_memcpy(p, h->value.data + prefix + len,
|
|
|
2548 h->value.len - len - prefix);
|
|
|
2549
|
|
|
2550 h->value.data = data;
|
|
|
2551
|
|
|
2552 } else {
|
|
|
2553 p = ngx_copy(h->value.data + prefix, replacement->data,
|
|
|
2554 replacement->len);
|
|
|
2555
|
|
|
2556 ngx_memmove(p, h->value.data + prefix + len,
|
|
|
2557 h->value.len - len - prefix);
|
|
|
2558 }
|
|
|
2559
|
|
|
2560 h->value.len = new_len;
|
|
58
|
2561
|
|
|
2562 return NGX_OK;
|
|
|
2563 }
|
|
|
2564
|
|
|
2565
|
|
|
2566 static ngx_int_t
|
|
|
2567 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
2568 {
|
|
|
2569 ngx_http_variable_t *var, *v;
|
|
|
2570
|
|
|
2571 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
2572 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2573 if (var == NULL) {
|
|
|
2574 return NGX_ERROR;
|
|
|
2575 }
|
|
|
2576
|
|
186
|
2577 var->get_handler = v->get_handler;
|
|
58
|
2578 var->data = v->data;
|
|
|
2579 }
|
|
|
2580
|
|
|
2581 return NGX_OK;
|
|
|
2582 }
|
|
|
2583
|
|
|
2584
|
|
|
2585 static void *
|
|
|
2586 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
2587 {
|
|
|
2588 ngx_http_proxy_loc_conf_t *conf;
|
|
|
2589
|
|
|
2590 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
2591 if (conf == NULL) {
|
|
496
|
2592 return NULL;
|
|
58
|
2593 }
|
|
|
2594
|
|
|
2595 /*
|
|
|
2596 * set by ngx_pcalloc():
|
|
|
2597 *
|
|
|
2598 * conf->upstream.bufs.num = 0;
|
|
484
|
2599 * conf->upstream.ignore_headers = 0;
|
|
58
|
2600 * conf->upstream.next_upstream = 0;
|
|
494
|
2601 * conf->upstream.cache_use_stale = 0;
|
|
|
2602 * conf->upstream.cache_methods = 0;
|
|
58
|
2603 * conf->upstream.temp_path = NULL;
|
|
198
|
2604 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
2605 * conf->upstream.uri = { 0, NULL };
|
|
|
2606 * conf->upstream.location = NULL;
|
|
320
|
2607 * conf->upstream.store_lengths = NULL;
|
|
|
2608 * conf->upstream.store_values = NULL;
|
|
58
|
2609 *
|
|
110
|
2610 * conf->method = NULL;
|
|
58
|
2611 * conf->headers_source = NULL;
|
|
|
2612 * conf->headers_set_len = NULL;
|
|
|
2613 * conf->headers_set = NULL;
|
|
|
2614 * conf->headers_set_hash = NULL;
|
|
126
|
2615 * conf->body_set_len = NULL;
|
|
|
2616 * conf->body_set = NULL;
|
|
|
2617 * conf->body_source = { 0, NULL };
|
|
566
|
2618 * conf->redirects = NULL;
|
|
58
|
2619 */
|
|
126
|
2620
|
|
320
|
2621 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
2622 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
2623 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
2624 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
2625
|
|
58
|
2626 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
2627 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
2628 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
2629
|
|
|
2630 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
2631 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
2632
|
|
|
2633 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
2634 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
2635 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
2636
|
|
|
2637 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
2638 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
2639
|
|
464
|
2640 #if (NGX_HTTP_CACHE)
|
|
|
2641 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
2642 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
2643 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
572
|
2644 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
464
|
2645 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
656
|
2646 conf->upstream.cache_lock = NGX_CONF_UNSET;
|
|
|
2647 conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC;
|
|
464
|
2648 #endif
|
|
|
2649
|
|
356
|
2650 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
2651 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
2652
|
|
206
|
2653 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
2654 #if (NGX_HTTP_SSL)
|
|
|
2655 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
2656 #endif
|
|
58
|
2657
|
|
|
2658 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
2659 conf->upstream.cyclic_temp_file = 0;
|
|
|
2660
|
|
|
2661 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
2662 conf->upstream.change_buffering = 1;
|
|
58
|
2663
|
|
662
|
2664 conf->cookie_domains = NGX_CONF_UNSET_PTR;
|
|
|
2665 conf->cookie_paths = NGX_CONF_UNSET_PTR;
|
|
|
2666
|
|
640
|
2667 conf->http_version = NGX_CONF_UNSET_UINT;
|
|
|
2668
|
|
298
|
2669 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
2670 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
2671
|
|
632
|
2672 ngx_str_set(&conf->upstream.module, "proxy");
|
|
|
2673
|
|
58
|
2674 return conf;
|
|
|
2675 }
|
|
|
2676
|
|
|
2677
|
|
|
2678 static char *
|
|
|
2679 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
2680 {
|
|
|
2681 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
2682 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
2683
|
|
614
|
2684 u_char *p;
|
|
464
|
2685 size_t size;
|
|
|
2686 ngx_hash_init_t hash;
|
|
592
|
2687 ngx_http_core_loc_conf_t *clcf;
|
|
662
|
2688 ngx_http_proxy_rewrite_t *pr;
|
|
464
|
2689 ngx_http_script_compile_t sc;
|
|
58
|
2690
|
|
320
|
2691 if (conf->upstream.store != 0) {
|
|
|
2692 ngx_conf_merge_value(conf->upstream.store,
|
|
496
|
2693 prev->upstream.store, 0);
|
|
320
|
2694
|
|
|
2695 if (conf->upstream.store_lengths == NULL) {
|
|
|
2696 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
2697 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
2698 }
|
|
|
2699 }
|
|
|
2700
|
|
|
2701 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
2702 prev->upstream.store_access, 0600);
|
|
318
|
2703
|
|
130
|
2704 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
2705 prev->upstream.buffering, 1);
|
|
|
2706
|
|
178
|
2707 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
2708 prev->upstream.ignore_client_abort, 0);
|
|
|
2709
|
|
58
|
2710 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
2711 prev->upstream.connect_timeout, 60000);
|
|
|
2712
|
|
|
2713 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
2714 prev->upstream.send_timeout, 60000);
|
|
|
2715
|
|
|
2716 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
2717 prev->upstream.read_timeout, 60000);
|
|
|
2718
|
|
|
2719 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
2720 prev->upstream.send_lowat, 0);
|
|
|
2721
|
|
130
|
2722 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
2723 prev->upstream.buffer_size,
|
|
58
|
2724 (size_t) ngx_pagesize);
|
|
|
2725
|
|
|
2726 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
2727 8, ngx_pagesize);
|
|
|
2728
|
|
|
2729 if (conf->upstream.bufs.num < 2) {
|
|
126
|
2730 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
2731 "there must be at least 2 \"proxy_buffers\"");
|
|
|
2732 return NGX_CONF_ERROR;
|
|
|
2733 }
|
|
126
|
2734
|
|
58
|
2735
|
|
130
|
2736 size = conf->upstream.buffer_size;
|
|
126
|
2737 if (size < conf->upstream.bufs.size) {
|
|
58
|
2738 size = conf->upstream.bufs.size;
|
|
|
2739 }
|
|
|
2740
|
|
|
2741
|
|
78
|
2742 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
2743 prev->upstream.busy_buffers_size_conf,
|
|
58
|
2744 NGX_CONF_UNSET_SIZE);
|
|
|
2745
|
|
78
|
2746 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2747 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
2748 } else {
|
|
|
2749 conf->upstream.busy_buffers_size =
|
|
|
2750 conf->upstream.busy_buffers_size_conf;
|
|
|
2751 }
|
|
126
|
2752
|
|
78
|
2753 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
2754 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
2755 "\"proxy_busy_buffers_size\" must be equal to or greater than "
|
|
|
2756 "the maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2757 "one of the \"proxy_buffers\"");
|
|
|
2758
|
|
|
2759 return NGX_CONF_ERROR;
|
|
78
|
2760 }
|
|
58
|
2761
|
|
78
|
2762 if (conf->upstream.busy_buffers_size
|
|
|
2763 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
2764 {
|
|
|
2765 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2766 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
2767 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
2768
|
|
|
2769 return NGX_CONF_ERROR;
|
|
|
2770 }
|
|
78
|
2771
|
|
58
|
2772
|
|
78
|
2773 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
2774 prev->upstream.temp_file_write_size_conf,
|
|
58
|
2775 NGX_CONF_UNSET_SIZE);
|
|
|
2776
|
|
78
|
2777 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2778 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
2779 } else {
|
|
|
2780 conf->upstream.temp_file_write_size =
|
|
|
2781 conf->upstream.temp_file_write_size_conf;
|
|
|
2782 }
|
|
126
|
2783
|
|
78
|
2784 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
2785 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
2786 "\"proxy_temp_file_write_size\" must be equal to or greater "
|
|
|
2787 "than the maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2788 "one of the \"proxy_buffers\"");
|
|
|
2789
|
|
|
2790 return NGX_CONF_ERROR;
|
|
|
2791 }
|
|
|
2792
|
|
78
|
2793 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
2794 prev->upstream.max_temp_file_size_conf,
|
|
58
|
2795 NGX_CONF_UNSET_SIZE);
|
|
|
2796
|
|
78
|
2797 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2798 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
2799 } else {
|
|
|
2800 conf->upstream.max_temp_file_size =
|
|
|
2801 conf->upstream.max_temp_file_size_conf;
|
|
|
2802 }
|
|
58
|
2803
|
|
78
|
2804 if (conf->upstream.max_temp_file_size != 0
|
|
|
2805 && conf->upstream.max_temp_file_size < size)
|
|
58
|
2806 {
|
|
|
2807 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
2808 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
672
|
2809 "temporary files usage or must be equal to or greater than "
|
|
|
2810 "the maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
2811 "one of the \"proxy_buffers\"");
|
|
58
|
2812
|
|
|
2813 return NGX_CONF_ERROR;
|
|
|
2814 }
|
|
|
2815
|
|
78
|
2816
|
|
484
|
2817 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
2818 prev->upstream.ignore_headers,
|
|
|
2819 NGX_CONF_BITMASK_SET);
|
|
|
2820
|
|
|
2821
|
|
58
|
2822 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
2823 prev->upstream.next_upstream,
|
|
|
2824 (NGX_CONF_BITMASK_SET
|
|
|
2825 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
2826 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
2827
|
|
214
|
2828 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2829 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
2830 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2831 }
|
|
|
2832
|
|
464
|
2833 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
58
|
2834 prev->upstream.temp_path,
|
|
464
|
2835 &ngx_http_proxy_temp_path)
|
|
|
2836 != NGX_OK)
|
|
|
2837 {
|
|
|
2838 return NGX_CONF_ERROR;
|
|
|
2839 }
|
|
|
2840
|
|
|
2841
|
|
|
2842 #if (NGX_HTTP_CACHE)
|
|
|
2843
|
|
|
2844 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
2845 prev->upstream.cache, NULL);
|
|
|
2846
|
|
|
2847 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
2848 ngx_shm_zone_t *shm_zone;
|
|
|
2849
|
|
|
2850 shm_zone = conf->upstream.cache;
|
|
|
2851
|
|
|
2852 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2853 "\"proxy_cache\" zone \"%V\" is unknown",
|
|
480
|
2854 &shm_zone->shm.name);
|
|
464
|
2855
|
|
|
2856 return NGX_CONF_ERROR;
|
|
|
2857 }
|
|
|
2858
|
|
|
2859 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
2860 prev->upstream.cache_min_uses, 1);
|
|
|
2861
|
|
|
2862 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
2863 prev->upstream.cache_use_stale,
|
|
|
2864 (NGX_CONF_BITMASK_SET
|
|
|
2865 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
2866
|
|
658
|
2867 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2868 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
2869 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2870 }
|
|
|
2871
|
|
|
2872 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) {
|
|
|
2873 conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE;
|
|
|
2874 }
|
|
|
2875
|
|
494
|
2876 if (conf->upstream.cache_methods == 0) {
|
|
|
2877 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
2878 }
|
|
|
2879
|
|
|
2880 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
2881
|
|
588
|
2882 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
2883 prev->upstream.cache_bypass, NULL);
|
|
|
2884
|
|
572
|
2885 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
2886 prev->upstream.no_cache, NULL);
|
|
|
2887
|
|
588
|
2888 if (conf->upstream.no_cache && conf->upstream.cache_bypass == NULL) {
|
|
|
2889 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
|
2890 "\"proxy_no_cache\" functionality has been changed in 0.8.46, "
|
|
|
2891 "now it should be used together with \"proxy_cache_bypass\"");
|
|
|
2892 }
|
|
|
2893
|
|
464
|
2894 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
2895 prev->upstream.cache_valid, NULL);
|
|
|
2896
|
|
472
|
2897 if (conf->cache_key.value.data == NULL) {
|
|
|
2898 conf->cache_key = prev->cache_key;
|
|
|
2899 }
|
|
|
2900
|
|
656
|
2901 ngx_conf_merge_value(conf->upstream.cache_lock,
|
|
|
2902 prev->upstream.cache_lock, 0);
|
|
|
2903
|
|
|
2904 ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout,
|
|
|
2905 prev->upstream.cache_lock_timeout, 5000);
|
|
|
2906
|
|
464
|
2907 #endif
|
|
58
|
2908
|
|
110
|
2909 if (conf->method.len == 0) {
|
|
|
2910 conf->method = prev->method;
|
|
|
2911
|
|
|
2912 } else {
|
|
|
2913 conf->method.data[conf->method.len] = ' ';
|
|
|
2914 conf->method.len++;
|
|
58
|
2915 }
|
|
|
2916
|
|
|
2917 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
2918 prev->upstream.pass_request_headers, 1);
|
|
|
2919 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
2920 prev->upstream.pass_request_body, 1);
|
|
|
2921
|
|
206
|
2922 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
2923 prev->upstream.intercept_errors, 0);
|
|
58
|
2924
|
|
398
|
2925 #if (NGX_HTTP_SSL)
|
|
|
2926 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
2927 prev->upstream.ssl_session_reuse, 1);
|
|
|
2928 #endif
|
|
|
2929
|
|
58
|
2930 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
2931
|
|
|
2932 if (conf->redirect) {
|
|
|
2933
|
|
|
2934 if (conf->redirects == NULL) {
|
|
|
2935 conf->redirects = prev->redirects;
|
|
|
2936 }
|
|
|
2937
|
|
348
|
2938 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
2939
|
|
|
2940 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
662
|
2941 sizeof(ngx_http_proxy_rewrite_t));
|
|
58
|
2942 if (conf->redirects == NULL) {
|
|
|
2943 return NGX_CONF_ERROR;
|
|
|
2944 }
|
|
|
2945
|
|
|
2946 pr = ngx_array_push(conf->redirects);
|
|
|
2947 if (pr == NULL) {
|
|
|
2948 return NGX_CONF_ERROR;
|
|
|
2949 }
|
|
|
2950
|
|
662
|
2951 ngx_memzero(&pr->pattern.complex,
|
|
654
|
2952 sizeof(ngx_http_complex_value_t));
|
|
|
2953
|
|
|
2954 ngx_memzero(&pr->replacement, sizeof(ngx_http_complex_value_t));
|
|
|
2955
|
|
662
|
2956 pr->handler = ngx_http_proxy_rewrite_complex_handler;
|
|
348
|
2957
|
|
|
2958 if (conf->vars.uri.len) {
|
|
662
|
2959 pr->pattern.complex.value = conf->url;
|
|
654
|
2960 pr->replacement.value = conf->location;
|
|
202
|
2961
|
|
|
2962 } else {
|
|
662
|
2963 pr->pattern.complex.value.len = conf->url.len
|
|
|
2964 + sizeof("/") - 1;
|
|
|
2965
|
|
|
2966 p = ngx_pnalloc(cf->pool, pr->pattern.complex.value.len);
|
|
614
|
2967 if (p == NULL) {
|
|
|
2968 return NGX_CONF_ERROR;
|
|
|
2969 }
|
|
|
2970
|
|
662
|
2971 pr->pattern.complex.value.data = p;
|
|
614
|
2972
|
|
|
2973 p = ngx_cpymem(p, conf->url.data, conf->url.len);
|
|
|
2974 *p = '/';
|
|
|
2975
|
|
654
|
2976 ngx_str_set(&pr->replacement.value, "/");
|
|
202
|
2977 }
|
|
58
|
2978 }
|
|
|
2979 }
|
|
|
2980
|
|
662
|
2981 ngx_conf_merge_ptr_value(conf->cookie_domains, prev->cookie_domains, NULL);
|
|
|
2982
|
|
|
2983 ngx_conf_merge_ptr_value(conf->cookie_paths, prev->cookie_paths, NULL);
|
|
|
2984
|
|
482
|
2985 #if (NGX_HTTP_SSL)
|
|
|
2986 if (conf->upstream.ssl == NULL) {
|
|
|
2987 conf->upstream.ssl = prev->upstream.ssl;
|
|
|
2988 }
|
|
|
2989 #endif
|
|
|
2990
|
|
640
|
2991 ngx_conf_merge_uint_value(conf->http_version, prev->http_version,
|
|
|
2992 NGX_HTTP_VERSION_10);
|
|
|
2993
|
|
298
|
2994 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
2995 prev->headers_hash_max_size, 512);
|
|
|
2996
|
|
|
2997 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
2998 prev->headers_hash_bucket_size, 64);
|
|
|
2999
|
|
|
3000 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
3001 ngx_cacheline_size);
|
|
|
3002
|
|
356
|
3003 hash.max_size = conf->headers_hash_max_size;
|
|
|
3004 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
3005 hash.name = "proxy_headers_hash";
|
|
|
3006
|
|
|
3007 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
3008 &prev->upstream, ngx_http_proxy_hide_headers, &hash)
|
|
198
|
3009 != NGX_OK)
|
|
|
3010 {
|
|
|
3011 return NGX_CONF_ERROR;
|
|
|
3012 }
|
|
|
3013
|
|
260
|
3014 if (conf->upstream.upstream == NULL) {
|
|
|
3015 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
3016 conf->vars = prev->vars;
|
|
58
|
3017 }
|
|
|
3018
|
|
592
|
3019 if (conf->proxy_lengths == NULL) {
|
|
|
3020 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
3021 conf->proxy_values = prev->proxy_values;
|
|
|
3022 }
|
|
|
3023
|
|
|
3024 if (conf->upstream.upstream || conf->proxy_lengths) {
|
|
|
3025 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
3026 if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
|
3027 clcf->handler = ngx_http_proxy_handler;
|
|
|
3028 conf->location = prev->location;
|
|
|
3029 }
|
|
|
3030 }
|
|
126
|
3031
|
|
|
3032 if (conf->body_source.data == NULL) {
|
|
|
3033 conf->body_source = prev->body_source;
|
|
|
3034 conf->body_set_len = prev->body_set_len;
|
|
|
3035 conf->body_set = prev->body_set;
|
|
|
3036 }
|
|
|
3037
|
|
128
|
3038 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
3039
|
|
|
3040 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
3041
|
|
|
3042 sc.cf = cf;
|
|
|
3043 sc.source = &conf->body_source;
|
|
|
3044 sc.flushes = &conf->flushes;
|
|
|
3045 sc.lengths = &conf->body_set_len;
|
|
|
3046 sc.values = &conf->body_set;
|
|
|
3047 sc.complete_lengths = 1;
|
|
|
3048 sc.complete_values = 1;
|
|
|
3049
|
|
|
3050 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
3051 return NGX_CONF_ERROR;
|
|
|
3052 }
|
|
|
3053 }
|
|
|
3054
|
|
464
|
3055 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
|
|
|
3056 return NGX_CONF_ERROR;
|
|
|
3057 }
|
|
|
3058
|
|
|
3059 return NGX_CONF_OK;
|
|
|
3060 }
|
|
|
3061
|
|
|
3062
|
|
|
3063 static ngx_int_t
|
|
|
3064 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
|
|
|
3065 ngx_http_proxy_loc_conf_t *prev)
|
|
|
3066 {
|
|
|
3067 u_char *p;
|
|
|
3068 size_t size;
|
|
|
3069 uintptr_t *code;
|
|
|
3070 ngx_uint_t i;
|
|
648
|
3071 ngx_array_t headers_names, headers_merged;
|
|
464
|
3072 ngx_keyval_t *src, *s, *h;
|
|
|
3073 ngx_hash_key_t *hk;
|
|
|
3074 ngx_hash_init_t hash;
|
|
|
3075 ngx_http_script_compile_t sc;
|
|
|
3076 ngx_http_script_copy_code_t *copy;
|
|
126
|
3077
|
|
58
|
3078 if (conf->headers_source == NULL) {
|
|
122
|
3079 conf->flushes = prev->flushes;
|
|
58
|
3080 conf->headers_set_len = prev->headers_set_len;
|
|
|
3081 conf->headers_set = prev->headers_set;
|
|
|
3082 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
3083 conf->headers_source = prev->headers_source;
|
|
58
|
3084 }
|
|
|
3085
|
|
498
|
3086 if (conf->headers_set_hash.buckets
|
|
648
|
3087 && ((conf->body_source.data == NULL)
|
|
|
3088 == (prev->body_source.data == NULL))
|
|
502
|
3089 #if (NGX_HTTP_CACHE)
|
|
|
3090 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
3091 #endif
|
|
|
3092 )
|
|
498
|
3093 {
|
|
464
|
3094 return NGX_OK;
|
|
58
|
3095 }
|
|
|
3096
|
|
|
3097
|
|
576
|
3098 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
3099 != NGX_OK)
|
|
|
3100 {
|
|
464
|
3101 return NGX_ERROR;
|
|
58
|
3102 }
|
|
|
3103
|
|
648
|
3104 if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t))
|
|
|
3105 != NGX_OK)
|
|
|
3106 {
|
|
|
3107 return NGX_ERROR;
|
|
|
3108 }
|
|
|
3109
|
|
58
|
3110 if (conf->headers_source == NULL) {
|
|
|
3111 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
3112 sizeof(ngx_keyval_t));
|
|
58
|
3113 if (conf->headers_source == NULL) {
|
|
464
|
3114 return NGX_ERROR;
|
|
58
|
3115 }
|
|
|
3116 }
|
|
|
3117
|
|
|
3118 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
3119 if (conf->headers_set_len == NULL) {
|
|
464
|
3120 return NGX_ERROR;
|
|
58
|
3121 }
|
|
|
3122
|
|
|
3123 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
3124 if (conf->headers_set == NULL) {
|
|
464
|
3125 return NGX_ERROR;
|
|
58
|
3126 }
|
|
|
3127
|
|
|
3128
|
|
480
|
3129 #if (NGX_HTTP_CACHE)
|
|
|
3130
|
|
|
3131 h = conf->upstream.cache ? ngx_http_proxy_cache_headers:
|
|
|
3132 ngx_http_proxy_headers;
|
|
|
3133 #else
|
|
|
3134
|
|
|
3135 h = ngx_http_proxy_headers;
|
|
|
3136
|
|
|
3137 #endif
|
|
|
3138
|
|
648
|
3139 src = conf->headers_source->elts;
|
|
|
3140 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
3141
|
|
|
3142 s = ngx_array_push(&headers_merged);
|
|
|
3143 if (s == NULL) {
|
|
|
3144 return NGX_ERROR;
|
|
|
3145 }
|
|
|
3146
|
|
|
3147 *s = src[i];
|
|
|
3148 }
|
|
|
3149
|
|
480
|
3150 while (h->key.len) {
|
|
58
|
3151
|
|
648
|
3152 src = headers_merged.elts;
|
|
|
3153 for (i = 0; i < headers_merged.nelts; i++) {
|
|
58
|
3154 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
3155 goto next;
|
|
|
3156 }
|
|
|
3157 }
|
|
|
3158
|
|
648
|
3159 s = ngx_array_push(&headers_merged);
|
|
58
|
3160 if (s == NULL) {
|
|
464
|
3161 return NGX_ERROR;
|
|
58
|
3162 }
|
|
|
3163
|
|
|
3164 *s = *h;
|
|
|
3165
|
|
|
3166 next:
|
|
|
3167
|
|
480
|
3168 h++;
|
|
58
|
3169 }
|
|
|
3170
|
|
648
|
3171 if (conf->body_source.data) {
|
|
|
3172 s = ngx_array_push(&headers_merged);
|
|
|
3173 if (s == NULL) {
|
|
|
3174 return NGX_ERROR;
|
|
|
3175 }
|
|
|
3176
|
|
|
3177 ngx_str_set(&s->key, "Content-Length");
|
|
|
3178 ngx_str_set(&s->value, "$proxy_internal_body_length");
|
|
|
3179 }
|
|
|
3180
|
|
|
3181
|
|
|
3182 src = headers_merged.elts;
|
|
|
3183 for (i = 0; i < headers_merged.nelts; i++) {
|
|
58
|
3184
|
|
576
|
3185 hk = ngx_array_push(&headers_names);
|
|
198
|
3186 if (hk == NULL) {
|
|
464
|
3187 return NGX_ERROR;
|
|
58
|
3188 }
|
|
|
3189
|
|
198
|
3190 hk->key = src[i].key;
|
|
|
3191 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
3192 hk->value = (void *) 1;
|
|
58
|
3193
|
|
68
|
3194 if (src[i].value.len == 0) {
|
|
|
3195 continue;
|
|
|
3196 }
|
|
|
3197
|
|
58
|
3198 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
3199 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
3200 sizeof(ngx_http_script_copy_code_t));
|
|
|
3201 if (copy == NULL) {
|
|
464
|
3202 return NGX_ERROR;
|
|
58
|
3203 }
|
|
|
3204
|
|
|
3205 copy->code = (ngx_http_script_code_pt)
|
|
|
3206 ngx_http_script_copy_len_code;
|
|
|
3207 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
3208 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
3209
|
|
|
3210
|
|
|
3211 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
3212 + src[i].key.len + sizeof(": ") - 1
|
|
|
3213 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
3214 + sizeof(uintptr_t) - 1)
|
|
|
3215 & ~(sizeof(uintptr_t) - 1);
|
|
|
3216
|
|
|
3217 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
3218 if (copy == NULL) {
|
|
464
|
3219 return NGX_ERROR;
|
|
58
|
3220 }
|
|
|
3221
|
|
|
3222 copy->code = ngx_http_script_copy_code;
|
|
|
3223 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
3224 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
3225
|
|
|
3226 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
3227
|
|
|
3228 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
3229 *p++ = ':'; *p++ = ' ';
|
|
|
3230 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
3231 *p++ = CR; *p = LF;
|
|
|
3232
|
|
|
3233 } else {
|
|
|
3234 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
3235 sizeof(ngx_http_script_copy_code_t));
|
|
|
3236 if (copy == NULL) {
|
|
464
|
3237 return NGX_ERROR;
|
|
58
|
3238 }
|
|
|
3239
|
|
|
3240 copy->code = (ngx_http_script_code_pt)
|
|
|
3241 ngx_http_script_copy_len_code;
|
|
|
3242 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
3243
|
|
|
3244
|
|
|
3245 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
3246 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
3247 & ~(sizeof(uintptr_t) - 1);
|
|
|
3248
|
|
|
3249 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
3250 if (copy == NULL) {
|
|
464
|
3251 return NGX_ERROR;
|
|
58
|
3252 }
|
|
|
3253
|
|
|
3254 copy->code = ngx_http_script_copy_code;
|
|
|
3255 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
3256
|
|
|
3257 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
3258 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
3259 *p++ = ':'; *p = ' ';
|
|
|
3260
|
|
|
3261
|
|
|
3262 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
3263
|
|
|
3264 sc.cf = cf;
|
|
|
3265 sc.source = &src[i].value;
|
|
122
|
3266 sc.flushes = &conf->flushes;
|
|
58
|
3267 sc.lengths = &conf->headers_set_len;
|
|
|
3268 sc.values = &conf->headers_set;
|
|
|
3269
|
|
|
3270 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
464
|
3271 return NGX_ERROR;
|
|
58
|
3272 }
|
|
|
3273
|
|
|
3274
|
|
|
3275 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
3276 sizeof(ngx_http_script_copy_code_t));
|
|
|
3277 if (copy == NULL) {
|
|
464
|
3278 return NGX_ERROR;
|
|
58
|
3279 }
|
|
|
3280
|
|
|
3281 copy->code = (ngx_http_script_code_pt)
|
|
|
3282 ngx_http_script_copy_len_code;
|
|
|
3283 copy->len = sizeof(CRLF) - 1;
|
|
|
3284
|
|
|
3285
|
|
|
3286 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
3287 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
3288 & ~(sizeof(uintptr_t) - 1);
|
|
|
3289
|
|
|
3290 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
3291 if (copy == NULL) {
|
|
464
|
3292 return NGX_ERROR;
|
|
58
|
3293 }
|
|
|
3294
|
|
|
3295 copy->code = ngx_http_script_copy_code;
|
|
|
3296 copy->len = sizeof(CRLF) - 1;
|
|
|
3297
|
|
|
3298 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
3299 *p++ = CR; *p = LF;
|
|
|
3300 }
|
|
|
3301
|
|
|
3302 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
3303 if (code == NULL) {
|
|
464
|
3304 return NGX_ERROR;
|
|
58
|
3305 }
|
|
|
3306
|
|
|
3307 *code = (uintptr_t) NULL;
|
|
|
3308
|
|
|
3309 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
3310 if (code == NULL) {
|
|
464
|
3311 return NGX_ERROR;
|
|
58
|
3312 }
|
|
|
3313
|
|
|
3314 *code = (uintptr_t) NULL;
|
|
|
3315 }
|
|
|
3316
|
|
|
3317 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
3318 if (code == NULL) {
|
|
464
|
3319 return NGX_ERROR;
|
|
58
|
3320 }
|
|
|
3321
|
|
|
3322 *code = (uintptr_t) NULL;
|
|
|
3323
|
|
|
3324
|
|
198
|
3325 hash.hash = &conf->headers_set_hash;
|
|
|
3326 hash.key = ngx_hash_key_lc;
|
|
298
|
3327 hash.max_size = conf->headers_hash_max_size;
|
|
|
3328 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
3329 hash.name = "proxy_headers_hash";
|
|
198
|
3330 hash.pool = cf->pool;
|
|
|
3331 hash.temp_pool = NULL;
|
|
|
3332
|
|
576
|
3333 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
|
|
58
|
3334 }
|
|
|
3335
|
|
|
3336
|
|
|
3337 static char *
|
|
|
3338 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3339 {
|
|
|
3340 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3341
|
|
348
|
3342 size_t add;
|
|
|
3343 u_short port;
|
|
|
3344 ngx_str_t *value, *url;
|
|
|
3345 ngx_url_t u;
|
|
|
3346 ngx_uint_t n;
|
|
|
3347 ngx_http_core_loc_conf_t *clcf;
|
|
|
3348 ngx_http_script_compile_t sc;
|
|
58
|
3349
|
|
430
|
3350 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
3351 return "is duplicate";
|
|
|
3352 }
|
|
|
3353
|
|
348
|
3354 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
3355
|
|
510
|
3356 clcf->handler = ngx_http_proxy_handler;
|
|
|
3357
|
|
|
3358 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
3359 clcf->auto_redirect = 1;
|
|
|
3360 }
|
|
|
3361
|
|
58
|
3362 value = cf->args->elts;
|
|
|
3363
|
|
|
3364 url = &value[1];
|
|
|
3365
|
|
348
|
3366 n = ngx_http_script_variables_count(url);
|
|
|
3367
|
|
|
3368 if (n) {
|
|
|
3369
|
|
|
3370 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
3371
|
|
|
3372 sc.cf = cf;
|
|
|
3373 sc.source = url;
|
|
|
3374 sc.lengths = &plcf->proxy_lengths;
|
|
|
3375 sc.values = &plcf->proxy_values;
|
|
|
3376 sc.variables = n;
|
|
|
3377 sc.complete_lengths = 1;
|
|
|
3378 sc.complete_values = 1;
|
|
354
|
3379
|
|
348
|
3380 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
3381 return NGX_CONF_ERROR;
|
|
|
3382 }
|
|
|
3383
|
|
|
3384 #if (NGX_HTTP_SSL)
|
|
|
3385 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
3386 return NGX_CONF_ERROR;
|
|
|
3387 }
|
|
|
3388 #endif
|
|
|
3389
|
|
|
3390 return NGX_CONF_OK;
|
|
|
3391 }
|
|
|
3392
|
|
286
|
3393 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
3394 add = 7;
|
|
140
|
3395 port = 80;
|
|
126
|
3396
|
|
286
|
3397 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
3398
|
|
|
3399 #if (NGX_HTTP_SSL)
|
|
348
|
3400 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
3401 return NGX_CONF_ERROR;
|
|
|
3402 }
|
|
126
|
3403
|
|
|
3404 add = 8;
|
|
140
|
3405 port = 443;
|
|
126
|
3406 #else
|
|
|
3407 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3408 "https protocol requires SSL support");
|
|
|
3409 return NGX_CONF_ERROR;
|
|
|
3410 #endif
|
|
|
3411
|
|
|
3412 } else {
|
|
58
|
3413 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
3414 return NGX_CONF_ERROR;
|
|
|
3415 }
|
|
|
3416
|
|
200
|
3417 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
3418
|
|
|
3419 u.url.len = url->len - add;
|
|
|
3420 u.url.data = url->data + add;
|
|
266
|
3421 u.default_port = port;
|
|
|
3422 u.uri_part = 1;
|
|
260
|
3423 u.no_resolve = 1;
|
|
|
3424
|
|
|
3425 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
3426 if (plcf->upstream.upstream == NULL) {
|
|
58
|
3427 return NGX_CONF_ERROR;
|
|
|
3428 }
|
|
|
3429
|
|
430
|
3430 plcf->vars.schema.len = add;
|
|
|
3431 plcf->vars.schema.data = url->data;
|
|
464
|
3432 plcf->vars.key_start = plcf->vars.schema;
|
|
|
3433
|
|
|
3434 ngx_http_proxy_set_vars(&u, &plcf->vars);
|
|
58
|
3435
|
|
464
|
3436 plcf->location = clcf->name;
|
|
|
3437
|
|
324
|
3438 if (clcf->named
|
|
58
|
3439 #if (NGX_PCRE)
|
|
324
|
3440 || clcf->regex
|
|
|
3441 #endif
|
|
|
3442 || clcf->noname)
|
|
|
3443 {
|
|
348
|
3444 if (plcf->vars.uri.len) {
|
|
122
|
3445 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
3446 "\"proxy_pass\" cannot have URI part in "
|
|
256
|
3447 "location given by regular expression, "
|
|
324
|
3448 "or inside named location, "
|
|
672
|
3449 "or inside \"if\" statement, "
|
|
|
3450 "or inside \"limit_except\" block");
|
|
122
|
3451 return NGX_CONF_ERROR;
|
|
|
3452 }
|
|
|
3453
|
|
348
|
3454 plcf->location.len = 0;
|
|
104
|
3455 }
|
|
|
3456
|
|
348
|
3457 plcf->url = *url;
|
|
58
|
3458
|
|
|
3459 return NGX_CONF_OK;
|
|
|
3460 }
|
|
|
3461
|
|
|
3462
|
|
|
3463 static char *
|
|
|
3464 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3465 {
|
|
|
3466 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3467
|
|
654
|
3468 u_char *p;
|
|
|
3469 ngx_str_t *value;
|
|
662
|
3470 ngx_http_proxy_rewrite_t *pr;
|
|
654
|
3471 ngx_http_compile_complex_value_t ccv;
|
|
58
|
3472
|
|
|
3473 if (plcf->redirect == 0) {
|
|
|
3474 return NGX_CONF_OK;
|
|
|
3475 }
|
|
|
3476
|
|
660
|
3477 plcf->redirect = 1;
|
|
|
3478
|
|
58
|
3479 value = cf->args->elts;
|
|
|
3480
|
|
484
|
3481 if (cf->args->nelts == 2) {
|
|
|
3482 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
3483 plcf->redirect = 0;
|
|
|
3484 plcf->redirects = NULL;
|
|
|
3485 return NGX_CONF_OK;
|
|
|
3486 }
|
|
|
3487
|
|
|
3488 if (ngx_strcmp(value[1].data, "false") == 0) {
|
|
|
3489 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
3490 "invalid parameter \"false\", use \"off\" instead");
|
|
|
3491 plcf->redirect = 0;
|
|
|
3492 plcf->redirects = NULL;
|
|
|
3493 return NGX_CONF_OK;
|
|
|
3494 }
|
|
|
3495
|
|
|
3496 if (ngx_strcmp(value[1].data, "default") != 0) {
|
|
|
3497 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3498 "invalid parameter \"%V\"", &value[1]);
|
|
|
3499 return NGX_CONF_ERROR;
|
|
|
3500 }
|
|
58
|
3501 }
|
|
|
3502
|
|
|
3503 if (plcf->redirects == NULL) {
|
|
|
3504 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
662
|
3505 sizeof(ngx_http_proxy_rewrite_t));
|
|
58
|
3506 if (plcf->redirects == NULL) {
|
|
|
3507 return NGX_CONF_ERROR;
|
|
|
3508 }
|
|
|
3509 }
|
|
|
3510
|
|
|
3511 pr = ngx_array_push(plcf->redirects);
|
|
|
3512 if (pr == NULL) {
|
|
|
3513 return NGX_CONF_ERROR;
|
|
|
3514 }
|
|
|
3515
|
|
484
|
3516 if (ngx_strcmp(value[1].data, "default") == 0) {
|
|
566
|
3517 if (plcf->proxy_lengths) {
|
|
|
3518 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
3519 "\"proxy_redirect default\" cannot be used "
|
|
566
|
3520 "with \"proxy_pass\" directive with variables");
|
|
|
3521 return NGX_CONF_ERROR;
|
|
|
3522 }
|
|
|
3523
|
|
348
|
3524 if (plcf->url.data == NULL) {
|
|
58
|
3525 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
3526 "\"proxy_redirect default\" should be placed "
|
|
58
|
3527 "after the \"proxy_pass\" directive");
|
|
|
3528 return NGX_CONF_ERROR;
|
|
|
3529 }
|
|
|
3530
|
|
662
|
3531 pr->handler = ngx_http_proxy_rewrite_complex_handler;
|
|
|
3532
|
|
|
3533 ngx_memzero(&pr->pattern.complex, sizeof(ngx_http_complex_value_t));
|
|
654
|
3534
|
|
|
3535 ngx_memzero(&pr->replacement, sizeof(ngx_http_complex_value_t));
|
|
348
|
3536
|
|
|
3537 if (plcf->vars.uri.len) {
|
|
662
|
3538 pr->pattern.complex.value = plcf->url;
|
|
654
|
3539 pr->replacement.value = plcf->location;
|
|
202
|
3540
|
|
|
3541 } else {
|
|
662
|
3542 pr->pattern.complex.value.len = plcf->url.len + sizeof("/") - 1;
|
|
|
3543
|
|
|
3544 p = ngx_pnalloc(cf->pool, pr->pattern.complex.value.len);
|
|
614
|
3545 if (p == NULL) {
|
|
|
3546 return NGX_CONF_ERROR;
|
|
|
3547 }
|
|
|
3548
|
|
662
|
3549 pr->pattern.complex.value.data = p;
|
|
614
|
3550
|
|
|
3551 p = ngx_cpymem(p, plcf->url.data, plcf->url.len);
|
|
|
3552 *p = '/';
|
|
|
3553
|
|
654
|
3554 ngx_str_set(&pr->replacement.value, "/");
|
|
202
|
3555 }
|
|
58
|
3556
|
|
|
3557 return NGX_CONF_OK;
|
|
|
3558 }
|
|
|
3559
|
|
654
|
3560
|
|
|
3561 if (value[1].data[0] == '~') {
|
|
|
3562 value[1].len--;
|
|
|
3563 value[1].data++;
|
|
|
3564
|
|
|
3565 if (value[1].data[0] == '*') {
|
|
|
3566 value[1].len--;
|
|
|
3567 value[1].data++;
|
|
662
|
3568
|
|
|
3569 if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) {
|
|
|
3570 return NGX_CONF_ERROR;
|
|
|
3571 }
|
|
|
3572
|
|
|
3573 } else {
|
|
|
3574 if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 0) != NGX_OK) {
|
|
|
3575 return NGX_CONF_ERROR;
|
|
|
3576 }
|
|
654
|
3577 }
|
|
|
3578
|
|
|
3579 } else {
|
|
|
3580
|
|
|
3581 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3582
|
|
|
3583 ccv.cf = cf;
|
|
|
3584 ccv.value = &value[1];
|
|
662
|
3585 ccv.complex_value = &pr->pattern.complex;
|
|
654
|
3586
|
|
|
3587 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3588 return NGX_CONF_ERROR;
|
|
|
3589 }
|
|
|
3590
|
|
662
|
3591 pr->handler = ngx_http_proxy_rewrite_complex_handler;
|
|
58
|
3592 }
|
|
|
3593
|
|
654
|
3594
|
|
|
3595 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3596
|
|
|
3597 ccv.cf = cf;
|
|
|
3598 ccv.value = &value[2];
|
|
|
3599 ccv.complex_value = &pr->replacement;
|
|
|
3600
|
|
|
3601 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
58
|
3602 return NGX_CONF_ERROR;
|
|
|
3603 }
|
|
|
3604
|
|
|
3605 return NGX_CONF_OK;
|
|
|
3606 }
|
|
|
3607
|
|
|
3608
|
|
|
3609 static char *
|
|
662
|
3610 ngx_http_proxy_cookie_domain(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3611 {
|
|
|
3612 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3613
|
|
|
3614 ngx_str_t *value;
|
|
|
3615 ngx_http_proxy_rewrite_t *pr;
|
|
|
3616 ngx_http_compile_complex_value_t ccv;
|
|
|
3617
|
|
|
3618 if (plcf->cookie_domains == NULL) {
|
|
|
3619 return NGX_CONF_OK;
|
|
|
3620 }
|
|
|
3621
|
|
|
3622 value = cf->args->elts;
|
|
|
3623
|
|
|
3624 if (cf->args->nelts == 2) {
|
|
|
3625
|
|
|
3626 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
3627 plcf->cookie_domains = NULL;
|
|
|
3628 return NGX_CONF_OK;
|
|
|
3629 }
|
|
|
3630
|
|
|
3631 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3632 "invalid parameter \"%V\"", &value[1]);
|
|
|
3633 return NGX_CONF_ERROR;
|
|
|
3634 }
|
|
|
3635
|
|
|
3636 if (plcf->cookie_domains == NGX_CONF_UNSET_PTR) {
|
|
|
3637 plcf->cookie_domains = ngx_array_create(cf->pool, 1,
|
|
|
3638 sizeof(ngx_http_proxy_rewrite_t));
|
|
|
3639 if (plcf->cookie_domains == NULL) {
|
|
|
3640 return NGX_CONF_ERROR;
|
|
|
3641 }
|
|
|
3642 }
|
|
|
3643
|
|
|
3644 pr = ngx_array_push(plcf->cookie_domains);
|
|
|
3645 if (pr == NULL) {
|
|
|
3646 return NGX_CONF_ERROR;
|
|
|
3647 }
|
|
|
3648
|
|
|
3649 if (value[1].data[0] == '~') {
|
|
|
3650 value[1].len--;
|
|
|
3651 value[1].data++;
|
|
|
3652
|
|
|
3653 if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) {
|
|
|
3654 return NGX_CONF_ERROR;
|
|
|
3655 }
|
|
|
3656
|
|
|
3657 } else {
|
|
|
3658
|
|
|
3659 if (value[1].data[0] == '.') {
|
|
|
3660 value[1].len--;
|
|
|
3661 value[1].data++;
|
|
|
3662 }
|
|
|
3663
|
|
|
3664 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3665
|
|
|
3666 ccv.cf = cf;
|
|
|
3667 ccv.value = &value[1];
|
|
|
3668 ccv.complex_value = &pr->pattern.complex;
|
|
|
3669
|
|
|
3670 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3671 return NGX_CONF_ERROR;
|
|
|
3672 }
|
|
|
3673
|
|
|
3674 pr->handler = ngx_http_proxy_rewrite_domain_handler;
|
|
|
3675
|
|
|
3676 if (value[2].data[0] == '.') {
|
|
|
3677 value[2].len--;
|
|
|
3678 value[2].data++;
|
|
|
3679 }
|
|
|
3680 }
|
|
|
3681
|
|
|
3682 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3683
|
|
|
3684 ccv.cf = cf;
|
|
|
3685 ccv.value = &value[2];
|
|
|
3686 ccv.complex_value = &pr->replacement;
|
|
|
3687
|
|
|
3688 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3689 return NGX_CONF_ERROR;
|
|
|
3690 }
|
|
|
3691
|
|
|
3692 return NGX_CONF_OK;
|
|
|
3693 }
|
|
|
3694
|
|
|
3695
|
|
|
3696 static char *
|
|
|
3697 ngx_http_proxy_cookie_path(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3698 {
|
|
|
3699 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3700
|
|
|
3701 ngx_str_t *value;
|
|
|
3702 ngx_http_proxy_rewrite_t *pr;
|
|
|
3703 ngx_http_compile_complex_value_t ccv;
|
|
|
3704
|
|
|
3705 if (plcf->cookie_paths == NULL) {
|
|
|
3706 return NGX_CONF_OK;
|
|
|
3707 }
|
|
|
3708
|
|
|
3709 value = cf->args->elts;
|
|
|
3710
|
|
|
3711 if (cf->args->nelts == 2) {
|
|
|
3712
|
|
|
3713 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
3714 plcf->cookie_paths = NULL;
|
|
|
3715 return NGX_CONF_OK;
|
|
|
3716 }
|
|
|
3717
|
|
|
3718 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3719 "invalid parameter \"%V\"", &value[1]);
|
|
|
3720 return NGX_CONF_ERROR;
|
|
|
3721 }
|
|
|
3722
|
|
|
3723 if (plcf->cookie_paths == NGX_CONF_UNSET_PTR) {
|
|
|
3724 plcf->cookie_paths = ngx_array_create(cf->pool, 1,
|
|
|
3725 sizeof(ngx_http_proxy_rewrite_t));
|
|
|
3726 if (plcf->cookie_paths == NULL) {
|
|
|
3727 return NGX_CONF_ERROR;
|
|
|
3728 }
|
|
|
3729 }
|
|
|
3730
|
|
|
3731 pr = ngx_array_push(plcf->cookie_paths);
|
|
|
3732 if (pr == NULL) {
|
|
|
3733 return NGX_CONF_ERROR;
|
|
|
3734 }
|
|
|
3735
|
|
|
3736 if (value[1].data[0] == '~') {
|
|
|
3737 value[1].len--;
|
|
|
3738 value[1].data++;
|
|
|
3739
|
|
|
3740 if (value[1].data[0] == '*') {
|
|
|
3741 value[1].len--;
|
|
|
3742 value[1].data++;
|
|
|
3743
|
|
|
3744 if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) {
|
|
|
3745 return NGX_CONF_ERROR;
|
|
|
3746 }
|
|
|
3747
|
|
|
3748 } else {
|
|
|
3749 if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 0) != NGX_OK) {
|
|
|
3750 return NGX_CONF_ERROR;
|
|
|
3751 }
|
|
|
3752 }
|
|
|
3753
|
|
|
3754 } else {
|
|
|
3755
|
|
|
3756 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3757
|
|
|
3758 ccv.cf = cf;
|
|
|
3759 ccv.value = &value[1];
|
|
|
3760 ccv.complex_value = &pr->pattern.complex;
|
|
|
3761
|
|
|
3762 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3763 return NGX_CONF_ERROR;
|
|
|
3764 }
|
|
|
3765
|
|
|
3766 pr->handler = ngx_http_proxy_rewrite_complex_handler;
|
|
|
3767 }
|
|
|
3768
|
|
|
3769 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3770
|
|
|
3771 ccv.cf = cf;
|
|
|
3772 ccv.value = &value[2];
|
|
|
3773 ccv.complex_value = &pr->replacement;
|
|
|
3774
|
|
|
3775 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3776 return NGX_CONF_ERROR;
|
|
|
3777 }
|
|
|
3778
|
|
|
3779 return NGX_CONF_OK;
|
|
|
3780 }
|
|
|
3781
|
|
|
3782
|
|
|
3783 static ngx_int_t
|
|
|
3784 ngx_http_proxy_rewrite_regex(ngx_conf_t *cf, ngx_http_proxy_rewrite_t *pr,
|
|
|
3785 ngx_str_t *regex, ngx_uint_t caseless)
|
|
|
3786 {
|
|
|
3787 #if (NGX_PCRE)
|
|
|
3788 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
|
3789 ngx_regex_compile_t rc;
|
|
|
3790
|
|
|
3791 ngx_memzero(&rc, sizeof(ngx_regex_compile_t));
|
|
|
3792
|
|
|
3793 rc.pattern = *regex;
|
|
|
3794 rc.err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
3795 rc.err.data = errstr;
|
|
|
3796
|
|
|
3797 if (caseless) {
|
|
|
3798 rc.options = NGX_REGEX_CASELESS;
|
|
|
3799 }
|
|
|
3800
|
|
|
3801 pr->pattern.regex = ngx_http_regex_compile(cf, &rc);
|
|
|
3802 if (pr->pattern.regex == NULL) {
|
|
|
3803 return NGX_ERROR;
|
|
|
3804 }
|
|
|
3805
|
|
|
3806 pr->handler = ngx_http_proxy_rewrite_regex_handler;
|
|
|
3807
|
|
|
3808 return NGX_OK;
|
|
|
3809
|
|
|
3810 #else
|
|
|
3811
|
|
|
3812 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3813 "using regex \"%V\" requires PCRE library", regex);
|
|
|
3814 return NGX_ERROR;
|
|
|
3815
|
|
|
3816 #endif
|
|
|
3817 }
|
|
|
3818
|
|
|
3819
|
|
|
3820 static char *
|
|
320
|
3821 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3822 {
|
|
|
3823 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3824
|
|
|
3825 ngx_str_t *value;
|
|
|
3826 ngx_http_script_compile_t sc;
|
|
|
3827
|
|
496
|
3828 if (plcf->upstream.store != NGX_CONF_UNSET
|
|
|
3829 || plcf->upstream.store_lengths)
|
|
320
|
3830 {
|
|
|
3831 return "is duplicate";
|
|
|
3832 }
|
|
|
3833
|
|
|
3834 value = cf->args->elts;
|
|
|
3835
|
|
496
|
3836 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
3837 plcf->upstream.store = 0;
|
|
320
|
3838 return NGX_CONF_OK;
|
|
|
3839 }
|
|
|
3840
|
|
496
|
3841 #if (NGX_HTTP_CACHE)
|
|
|
3842
|
|
|
3843 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
3844 && plcf->upstream.cache != NULL)
|
|
|
3845 {
|
|
|
3846 return "is incompatible with \"proxy_cache\"";
|
|
|
3847 }
|
|
|
3848
|
|
|
3849 #endif
|
|
|
3850
|
|
|
3851 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
3852 plcf->upstream.store = 1;
|
|
320
|
3853 return NGX_CONF_OK;
|
|
|
3854 }
|
|
|
3855
|
|
|
3856 /* include the terminating '\0' into script */
|
|
|
3857 value[1].len++;
|
|
|
3858
|
|
|
3859 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
3860
|
|
|
3861 sc.cf = cf;
|
|
|
3862 sc.source = &value[1];
|
|
|
3863 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
3864 sc.values = &plcf->upstream.store_values;
|
|
340
|
3865 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
3866 sc.complete_lengths = 1;
|
|
|
3867 sc.complete_values = 1;
|
|
|
3868
|
|
|
3869 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
3870 return NGX_CONF_ERROR;
|
|
|
3871 }
|
|
|
3872
|
|
|
3873 return NGX_CONF_OK;
|
|
|
3874 }
|
|
|
3875
|
|
|
3876
|
|
464
|
3877 #if (NGX_HTTP_CACHE)
|
|
|
3878
|
|
|
3879 static char *
|
|
|
3880 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3881 {
|
|
|
3882 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3883
|
|
|
3884 ngx_str_t *value;
|
|
|
3885
|
|
|
3886 value = cf->args->elts;
|
|
|
3887
|
|
|
3888 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
3889 return "is duplicate";
|
|
|
3890 }
|
|
|
3891
|
|
|
3892 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
3893 plcf->upstream.cache = NULL;
|
|
|
3894 return NGX_CONF_OK;
|
|
|
3895 }
|
|
|
3896
|
|
496
|
3897 if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) {
|
|
|
3898 return "is incompatible with \"proxy_store\"";
|
|
|
3899 }
|
|
|
3900
|
|
464
|
3901 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
3902 &ngx_http_proxy_module);
|
|
|
3903 if (plcf->upstream.cache == NULL) {
|
|
|
3904 return NGX_CONF_ERROR;
|
|
|
3905 }
|
|
|
3906
|
|
|
3907 return NGX_CONF_OK;
|
|
|
3908 }
|
|
|
3909
|
|
472
|
3910
|
|
|
3911 static char *
|
|
|
3912 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
3913 {
|
|
|
3914 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
3915
|
|
|
3916 ngx_str_t *value;
|
|
|
3917 ngx_http_compile_complex_value_t ccv;
|
|
|
3918
|
|
|
3919 value = cf->args->elts;
|
|
|
3920
|
|
|
3921 if (plcf->cache_key.value.len) {
|
|
|
3922 return "is duplicate";
|
|
|
3923 }
|
|
|
3924
|
|
|
3925 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
3926
|
|
|
3927 ccv.cf = cf;
|
|
|
3928 ccv.value = &value[1];
|
|
|
3929 ccv.complex_value = &plcf->cache_key;
|
|
|
3930
|
|
|
3931 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
3932 return NGX_CONF_ERROR;
|
|
|
3933 }
|
|
|
3934
|
|
|
3935 return NGX_CONF_OK;
|
|
|
3936 }
|
|
|
3937
|
|
464
|
3938 #endif
|
|
|
3939
|
|
|
3940
|
|
320
|
3941 static char *
|
|
58
|
3942 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
3943 {
|
|
|
3944 #if (NGX_FREEBSD)
|
|
|
3945 ssize_t *np = data;
|
|
|
3946
|
|
222
|
3947 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
3948 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
3949 "\"proxy_send_lowat\" must be less than %d "
|
|
|
3950 "(sysctl net.inet.tcp.sendspace)",
|
|
|
3951 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
3952
|
|
|
3953 return NGX_CONF_ERROR;
|
|
|
3954 }
|
|
|
3955
|
|
|
3956 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
3957 ssize_t *np = data;
|
|
|
3958
|
|
|
3959 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
3960 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
3961
|
|
|
3962 *np = 0;
|
|
|
3963
|
|
|
3964 #endif
|
|
|
3965
|
|
|
3966 return NGX_CONF_OK;
|
|
|
3967 }
|
|
260
|
3968
|
|
|
3969
|
|
348
|
3970 #if (NGX_HTTP_SSL)
|
|
|
3971
|
|
|
3972 static ngx_int_t
|
|
|
3973 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
3974 {
|
|
|
3975 ngx_pool_cleanup_t *cln;
|
|
|
3976
|
|
|
3977 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
3978 if (plcf->upstream.ssl == NULL) {
|
|
|
3979 return NGX_ERROR;
|
|
|
3980 }
|
|
|
3981
|
|
|
3982 plcf->upstream.ssl->log = cf->log;
|
|
|
3983
|
|
|
3984 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
658
|
3985 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1
|
|
|
3986 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2,
|
|
|
3987 NULL)
|
|
348
|
3988 != NGX_OK)
|
|
|
3989 {
|
|
|
3990 return NGX_ERROR;
|
|
|
3991 }
|
|
|
3992
|
|
|
3993 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
3994 if (cln == NULL) {
|
|
|
3995 return NGX_ERROR;
|
|
|
3996 }
|
|
|
3997
|
|
|
3998 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
3999 cln->data = plcf->upstream.ssl;
|
|
|
4000
|
|
|
4001 return NGX_OK;
|
|
|
4002 }
|
|
|
4003
|
|
|
4004 #endif
|
|
|
4005
|
|
|
4006
|
|
464
|
4007 static void
|
|
|
4008 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
|
|
348
|
4009 {
|
|
400
|
4010 if (u->family != AF_UNIX) {
|
|
464
|
4011
|
|
348
|
4012 if (u->no_port || u->port == u->default_port) {
|
|
464
|
4013
|
|
348
|
4014 v->host_header = u->host;
|
|
|
4015
|
|
|
4016 if (u->default_port == 80) {
|
|
570
|
4017 ngx_str_set(&v->port, "80");
|
|
348
|
4018
|
|
|
4019 } else {
|
|
570
|
4020 ngx_str_set(&v->port, "443");
|
|
348
|
4021 }
|
|
|
4022
|
|
|
4023 } else {
|
|
354
|
4024 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
4025 v->host_header.data = u->host.data;
|
|
|
4026 v->port = u->port_text;
|
|
348
|
4027 }
|
|
|
4028
|
|
464
|
4029 v->key_start.len += v->host_header.len;
|
|
|
4030
|
|
348
|
4031 } else {
|
|
570
|
4032 ngx_str_set(&v->host_header, "localhost");
|
|
|
4033 ngx_str_null(&v->port);
|
|
464
|
4034 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
|
|
348
|
4035 }
|
|
|
4036
|
|
|
4037 v->uri = u->uri;
|
|
|
4038 }
|
