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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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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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17
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18 struct ngx_http_proxy_redirect_s {
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200
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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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58
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21
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22 union {
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200
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23 ngx_str_t text;
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24
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25 struct {
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200
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26 void *lengths;
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27 void *values;
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58
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28 } vars;
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29
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200
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30 void *regex;
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58
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31 } replacement;
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32 };
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33
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34
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35 typedef struct {
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200
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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_array_t *flushes;
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39 ngx_array_t *body_set_len;
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40 ngx_array_t *body_set;
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41 ngx_array_t *headers_set_len;
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42 ngx_array_t *headers_set;
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43 ngx_hash_t headers_set_hash;
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44
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45 ngx_array_t *headers_source;
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46 ngx_array_t *headers_names;
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47
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48 ngx_array_t *redirects;
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49
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50 ngx_str_t body_source;
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51
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52 ngx_str_t method;
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53 ngx_str_t host_header;
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266
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54 ngx_str_t port;
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200
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55
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56 ngx_flag_t redirect;
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298
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57
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58 ngx_uint_t headers_hash_max_size;
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59 ngx_uint_t headers_hash_bucket_size;
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58
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60 } ngx_http_proxy_loc_conf_t;
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61
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62
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63 typedef struct {
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200
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64 ngx_uint_t status;
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65 ngx_uint_t status_count;
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66 u_char *status_start;
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67 u_char *status_end;
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68
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69 size_t internal_body_length;
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58
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70 } ngx_http_proxy_ctx_t;
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71
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72
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73 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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74
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75
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76 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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77 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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78 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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79 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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80 ngx_http_proxy_ctx_t *p);
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81 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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82 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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83 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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84 ngx_int_t rc);
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85
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122
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86 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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87 ngx_http_variable_value_t *v, uintptr_t data);
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88 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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89 ngx_http_variable_value_t *v, uintptr_t data);
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90 static ngx_int_t
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91 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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92 ngx_http_variable_value_t *v, uintptr_t data);
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126
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93 static ngx_int_t
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94 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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95 ngx_http_variable_value_t *v, uintptr_t data);
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58
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96 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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97 ngx_table_elt_t *h, size_t prefix);
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98
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99 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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100 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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101 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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102 void *parent, void *child);
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103
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104 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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105 void *conf);
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106 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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107 void *conf);
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320
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108 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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109 void *conf);
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110
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111 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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112
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260
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113 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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114 ngx_command_t *cmd, void *conf);
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115 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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116 ngx_command_t *cmd, void *conf);
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117
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118
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119 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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120 { ngx_http_proxy_lowat_check };
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121
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130
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122 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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123 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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124 };
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125
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206
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126 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = {
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127 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors"
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128 };
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129
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58
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130
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131 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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132 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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133 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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134 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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135 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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136 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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137 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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138 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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139 { ngx_null_string, 0 }
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140 };
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141
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142
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143 static ngx_command_t ngx_http_proxy_commands[] = {
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144
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145 { ngx_string("proxy_pass"),
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256
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146 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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147 ngx_http_proxy_pass,
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148 NGX_HTTP_LOC_CONF_OFFSET,
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149 0,
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150 NULL },
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151
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152 { ngx_string("proxy_redirect"),
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153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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154 ngx_http_proxy_redirect,
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155 NGX_HTTP_LOC_CONF_OFFSET,
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156 0,
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157 NULL },
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158
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318
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159 { ngx_string("proxy_store"),
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320
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160 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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161 ngx_http_proxy_store,
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162 NGX_HTTP_LOC_CONF_OFFSET,
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163 0,
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164 NULL },
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165
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166 { ngx_string("proxy_store_access"),
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318
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167 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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168 ngx_conf_set_access_slot,
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169 NGX_HTTP_LOC_CONF_OFFSET,
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320
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170 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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171 NULL },
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172
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130
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173 { ngx_string("proxy_buffering"),
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174 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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175 ngx_conf_set_flag_slot,
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176 NGX_HTTP_LOC_CONF_OFFSET,
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177 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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178 NULL },
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179
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178
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180 { ngx_string("proxy_ignore_client_abort"),
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181 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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182 ngx_conf_set_flag_slot,
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183 NGX_HTTP_LOC_CONF_OFFSET,
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184 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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185 NULL },
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186
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187 { ngx_string("proxy_connect_timeout"),
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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189 ngx_conf_set_msec_slot,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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192 NULL },
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193
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194 { ngx_string("proxy_send_timeout"),
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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196 ngx_conf_set_msec_slot,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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199 NULL },
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200
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201 { ngx_string("proxy_send_lowat"),
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202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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203 ngx_conf_set_size_slot,
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204 NGX_HTTP_LOC_CONF_OFFSET,
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205 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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206 &ngx_http_proxy_lowat_post },
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207
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206
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208 { ngx_string("proxy_intercept_errors"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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210 ngx_conf_set_flag_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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213 NULL },
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214
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215 { ngx_string("proxy_redirect_errors"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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217 ngx_conf_set_flag_slot,
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218 NGX_HTTP_LOC_CONF_OFFSET,
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206
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219 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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220 &ngx_conf_deprecated_proxy_redirect_errors },
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221
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222 { ngx_string("proxy_set_header"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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224 ngx_conf_set_keyval_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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227 NULL },
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228
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298
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229 { ngx_string("proxy_headers_hash_max_size"),
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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231 ngx_conf_set_num_slot,
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232 NGX_HTTP_LOC_CONF_OFFSET,
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233 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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234 NULL },
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235
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236 { ngx_string("proxy_headers_hash_bucket_size"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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238 ngx_conf_set_num_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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241 NULL },
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242
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126
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243 { ngx_string("proxy_set_body"),
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244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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245 ngx_conf_set_str_slot,
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246 NGX_HTTP_LOC_CONF_OFFSET,
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247 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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248 NULL },
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249
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58
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250 { ngx_string("proxy_method"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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252 ngx_conf_set_str_slot,
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253 NGX_HTTP_LOC_CONF_OFFSET,
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254 offsetof(ngx_http_proxy_loc_conf_t, method),
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255 NULL },
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58
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256
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257 { ngx_string("proxy_pass_request_headers"),
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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259 ngx_conf_set_flag_slot,
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260 NGX_HTTP_LOC_CONF_OFFSET,
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261 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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262 NULL },
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263
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264 { ngx_string("proxy_pass_request_body"),
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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266 ngx_conf_set_flag_slot,
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267 NGX_HTTP_LOC_CONF_OFFSET,
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268 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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269 NULL },
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270
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130
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271 { ngx_string("proxy_buffer_size"),
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272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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273 ngx_conf_set_size_slot,
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274 NGX_HTTP_LOC_CONF_OFFSET,
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275 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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276 NULL },
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277
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58
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278 { ngx_string("proxy_header_buffer_size"),
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279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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280 ngx_conf_set_size_slot,
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281 NGX_HTTP_LOC_CONF_OFFSET,
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130
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282 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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283 &ngx_conf_deprecated_proxy_header_buffer_size },
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58
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284
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285 { ngx_string("proxy_read_timeout"),
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286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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287 ngx_conf_set_msec_slot,
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288 NGX_HTTP_LOC_CONF_OFFSET,
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289 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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290 NULL },
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291
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292 { ngx_string("proxy_buffers"),
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293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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294 ngx_conf_set_bufs_slot,
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295 NGX_HTTP_LOC_CONF_OFFSET,
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296 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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297 NULL },
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298
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299 { ngx_string("proxy_busy_buffers_size"),
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300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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301 ngx_conf_set_size_slot,
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302 NGX_HTTP_LOC_CONF_OFFSET,
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78
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303 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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304 NULL },
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305
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306 { ngx_string("proxy_temp_path"),
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307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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308 ngx_conf_set_path_slot,
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309 NGX_HTTP_LOC_CONF_OFFSET,
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310 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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311 (void *) ngx_garbage_collector_temp_handler },
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312
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313 { ngx_string("proxy_max_temp_file_size"),
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314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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315 ngx_conf_set_size_slot,
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316 NGX_HTTP_LOC_CONF_OFFSET,
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78
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317 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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58
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318 NULL },
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319
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320 { ngx_string("proxy_temp_file_write_size"),
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321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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322 ngx_conf_set_size_slot,
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323 NGX_HTTP_LOC_CONF_OFFSET,
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78
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324 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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58
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325 NULL },
|
|
|
326
|
|
|
327 { ngx_string("proxy_next_upstream"),
|
|
96
|
328 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
329 ngx_conf_set_bitmask_slot,
|
|
|
330 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
331 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
332 &ngx_http_proxy_next_upstream_masks },
|
|
|
333
|
|
110
|
334 { ngx_string("proxy_upstream_max_fails"),
|
|
|
335 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
336 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
337 0,
|
|
|
338 0,
|
|
110
|
339 NULL },
|
|
|
340
|
|
|
341 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
342 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
343 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
344 0,
|
|
|
345 0,
|
|
110
|
346 NULL },
|
|
|
347
|
|
198
|
348 { ngx_string("proxy_pass_header"),
|
|
58
|
349 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
350 ngx_conf_set_str_array_slot,
|
|
58
|
351 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
352 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
353 NULL },
|
|
|
354
|
|
198
|
355 { ngx_string("proxy_hide_header"),
|
|
58
|
356 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
357 ngx_conf_set_str_array_slot,
|
|
58
|
358 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
359 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
360 NULL },
|
|
|
361
|
|
|
362 ngx_null_command
|
|
|
363 };
|
|
|
364
|
|
|
365
|
|
216
|
366 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
367 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
368 NULL, /* postconfiguration */
|
|
|
369
|
|
|
370 NULL, /* create main configuration */
|
|
|
371 NULL, /* init main configuration */
|
|
|
372
|
|
|
373 NULL, /* create server configuration */
|
|
|
374 NULL, /* merge server configuration */
|
|
|
375
|
|
|
376 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
377 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
378 };
|
|
|
379
|
|
|
380
|
|
|
381 ngx_module_t ngx_http_proxy_module = {
|
|
|
382 NGX_MODULE_V1,
|
|
|
383 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
384 ngx_http_proxy_commands, /* module directives */
|
|
|
385 NGX_HTTP_MODULE, /* module type */
|
|
90
|
386 NULL, /* init master */
|
|
58
|
387 NULL, /* init module */
|
|
90
|
388 NULL, /* init process */
|
|
|
389 NULL, /* init thread */
|
|
|
390 NULL, /* exit thread */
|
|
|
391 NULL, /* exit process */
|
|
|
392 NULL, /* exit master */
|
|
|
393 NGX_MODULE_V1_PADDING
|
|
58
|
394 };
|
|
|
395
|
|
|
396
|
|
|
397 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
398
|
|
|
399
|
|
198
|
400 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
401 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
402 { ngx_string("Connection"), ngx_string("close") },
|
|
|
403 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
404 { ngx_null_string, ngx_null_string }
|
|
|
405 };
|
|
|
406
|
|
|
407
|
|
|
408 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
409 ngx_string("Date"),
|
|
|
410 ngx_string("Server"),
|
|
|
411 ngx_string("X-Pad"),
|
|
|
412 ngx_string("X-Accel-Expires"),
|
|
|
413 ngx_string("X-Accel-Redirect"),
|
|
|
414 ngx_string("X-Accel-Limit-Rate"),
|
|
|
415 ngx_string("X-Accel-Buffer"),
|
|
|
416 ngx_null_string
|
|
58
|
417 };
|
|
|
418
|
|
|
419
|
|
|
420 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
421
|
|
186
|
422 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
132
|
423 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
424
|
|
186
|
425 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
132
|
426 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
427
|
|
186
|
428 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
429 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
430
|
|
|
431 #if 0
|
|
186
|
432 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
433 #endif
|
|
|
434
|
|
186
|
435 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
436 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
437
|
|
186
|
438 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
439 };
|
|
|
440
|
|
|
441
|
|
|
442 static ngx_int_t
|
|
|
443 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
444 {
|
|
58
|
445 ngx_int_t rc;
|
|
|
446 ngx_http_upstream_t *u;
|
|
|
447 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
448
|
|
58
|
449 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
450
|
|
58
|
451 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
452 if (u == NULL) {
|
|
|
453 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
454 }
|
|
126
|
455
|
|
58
|
456 u->peer.log = r->connection->log;
|
|
|
457 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
458 #if (NGX_THREADS)
|
|
|
459 u->peer.lock = &r->connection->lock;
|
|
|
460 #endif
|
|
|
461
|
|
|
462 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
463
|
|
|
464 u->conf = &plcf->upstream;
|
|
|
465
|
|
|
466 u->create_request = ngx_http_proxy_create_request;
|
|
|
467 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
468 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
469 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
470 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
471
|
|
|
472 if (plcf->redirects) {
|
|
|
473 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
474 }
|
|
|
475
|
|
198
|
476 u->buffering = plcf->upstream.buffering;
|
|
|
477
|
|
|
478 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
479 if (u->pipe == NULL) {
|
|
|
480 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
481 }
|
|
58
|
482
|
|
198
|
483 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
484
|
|
58
|
485 u->accel = 1;
|
|
126
|
486
|
|
58
|
487 r->upstream = u;
|
|
|
488
|
|
|
489 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
490
|
|
|
491 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
492 return rc;
|
|
|
493 }
|
|
|
494
|
|
|
495 return NGX_DONE;
|
|
|
496 }
|
|
|
497
|
|
|
498
|
|
|
499 static ngx_int_t
|
|
|
500 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
501 {
|
|
126
|
502 size_t len, loc_len, body_len;
|
|
58
|
503 uintptr_t escape;
|
|
|
504 ngx_buf_t *b;
|
|
198
|
505 ngx_str_t method;
|
|
|
506 ngx_uint_t i, unparsed_uri;
|
|
58
|
507 ngx_chain_t *cl, *body;
|
|
|
508 ngx_list_part_t *part;
|
|
|
509 ngx_table_elt_t *header;
|
|
|
510 ngx_http_upstream_t *u;
|
|
126
|
511 ngx_http_proxy_ctx_t *p;
|
|
58
|
512 ngx_http_script_code_pt code;
|
|
|
513 ngx_http_script_engine_t e, le;
|
|
|
514 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
515 ngx_http_script_len_code_pt lcode;
|
|
|
516
|
|
|
517 u = r->upstream;
|
|
|
518
|
|
|
519 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
520
|
|
126
|
521 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
522 if (p == NULL) {
|
|
|
523 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
524 }
|
|
|
525
|
|
|
526 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
527
|
|
58
|
528 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
529
|
|
110
|
530 if (u->method.len) {
|
|
|
531 /* HEAD was changed to GET to cache response */
|
|
|
532 method = u->method;
|
|
|
533 method.len++;
|
|
|
534
|
|
|
535 } else if (plcf->method.len) {
|
|
|
536 method = plcf->method;
|
|
|
537
|
|
58
|
538 } else {
|
|
110
|
539 method = r->method_name;
|
|
|
540 method.len++;
|
|
58
|
541 }
|
|
|
542
|
|
110
|
543 len += method.len + u->conf->uri.len;
|
|
|
544
|
|
58
|
545 escape = 0;
|
|
|
546
|
|
176
|
547 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
548 0;
|
|
58
|
549
|
|
158
|
550 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
551 unparsed_uri = 1;
|
|
88
|
552 len += r->unparsed_uri.len;
|
|
58
|
553
|
|
|
554 } else {
|
|
158
|
555 unparsed_uri = 0;
|
|
58
|
556 if (r->quoted_uri) {
|
|
|
557 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
558 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
559 }
|
|
|
560
|
|
|
561 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
562 }
|
|
|
563
|
|
122
|
564 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
565
|
|
126
|
566 if (plcf->body_set_len) {
|
|
|
567 le.ip = plcf->body_set_len->elts;
|
|
|
568 le.request = r;
|
|
|
569 le.flushed = 1;
|
|
|
570 body_len = 0;
|
|
|
571
|
|
|
572 while (*(uintptr_t *) le.ip) {
|
|
|
573 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
574 body_len += lcode(&le);
|
|
|
575 }
|
|
|
576
|
|
|
577 p->internal_body_length = body_len;
|
|
|
578 len += body_len;
|
|
|
579 }
|
|
|
580
|
|
58
|
581 le.ip = plcf->headers_set_len->elts;
|
|
|
582 le.request = r;
|
|
122
|
583 le.flushed = 1;
|
|
58
|
584
|
|
|
585 while (*(uintptr_t *) le.ip) {
|
|
|
586 while (*(uintptr_t *) le.ip) {
|
|
|
587 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
588 len += lcode(&le);
|
|
|
589 }
|
|
|
590 le.ip += sizeof(uintptr_t);
|
|
|
591 }
|
|
|
592
|
|
|
593
|
|
|
594 if (plcf->upstream.pass_request_headers) {
|
|
|
595 part = &r->headers_in.headers.part;
|
|
|
596 header = part->elts;
|
|
|
597
|
|
|
598 for (i = 0; /* void */; i++) {
|
|
|
599
|
|
|
600 if (i >= part->nelts) {
|
|
|
601 if (part->next == NULL) {
|
|
|
602 break;
|
|
|
603 }
|
|
|
604
|
|
|
605 part = part->next;
|
|
|
606 header = part->elts;
|
|
126
|
607 i = 0;
|
|
58
|
608 }
|
|
|
609
|
|
198
|
610 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
611 header[i].lowcase_key, header[i].key.len))
|
|
58
|
612 {
|
|
|
613 continue;
|
|
|
614 }
|
|
|
615
|
|
|
616 len += header[i].key.len + sizeof(": ") - 1
|
|
|
617 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
618 }
|
|
|
619 }
|
|
|
620
|
|
|
621
|
|
|
622 b = ngx_create_temp_buf(r->pool, len);
|
|
|
623 if (b == NULL) {
|
|
|
624 return NGX_ERROR;
|
|
|
625 }
|
|
|
626
|
|
|
627 cl = ngx_alloc_chain_link(r->pool);
|
|
|
628 if (cl == NULL) {
|
|
|
629 return NGX_ERROR;
|
|
|
630 }
|
|
|
631
|
|
|
632 cl->buf = b;
|
|
|
633
|
|
|
634
|
|
|
635 /* the request line */
|
|
|
636
|
|
122
|
637 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
638
|
|
104
|
639 u->uri.data = b->last;
|
|
|
640
|
|
158
|
641 if (unparsed_uri) {
|
|
122
|
642 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
643
|
|
58
|
644 } else {
|
|
104
|
645 if (r->valid_location) {
|
|
122
|
646 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
647 }
|
|
100
|
648
|
|
58
|
649 if (escape) {
|
|
|
650 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
651 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
652 b->last += r->uri.len - loc_len + escape;
|
|
|
653
|
|
126
|
654 } else {
|
|
122
|
655 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
656 r->uri.len - loc_len);
|
|
58
|
657 }
|
|
|
658
|
|
|
659 if (r->args.len > 0) {
|
|
|
660 *b->last++ = '?';
|
|
122
|
661 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
662 }
|
|
|
663 }
|
|
|
664
|
|
104
|
665 u->uri.len = b->last - u->uri.data;
|
|
|
666
|
|
58
|
667 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
668 sizeof(ngx_http_proxy_version) - 1);
|
|
|
669
|
|
126
|
670 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
671
|
|
|
672 e.ip = plcf->headers_set->elts;
|
|
|
673 e.pos = b->last;
|
|
|
674 e.request = r;
|
|
122
|
675 e.flushed = 1;
|
|
58
|
676
|
|
|
677 le.ip = plcf->headers_set_len->elts;
|
|
|
678
|
|
|
679 while (*(uintptr_t *) le.ip) {
|
|
|
680 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
681
|
|
|
682 /* skip the header line name length */
|
|
|
683 (void) lcode(&le);
|
|
58
|
684
|
|
|
685 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
686
|
|
|
687 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
688 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
689 }
|
|
|
690
|
|
|
691 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
692
|
|
|
693 } else {
|
|
|
694 e.skip = 0;
|
|
|
695 }
|
|
|
696
|
|
|
697 le.ip += sizeof(uintptr_t);
|
|
|
698
|
|
|
699 while (*(uintptr_t *) e.ip) {
|
|
|
700 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
701 code((ngx_http_script_engine_t *) &e);
|
|
126
|
702 }
|
|
58
|
703 e.ip += sizeof(uintptr_t);
|
|
|
704 }
|
|
|
705
|
|
|
706 b->last = e.pos;
|
|
|
707
|
|
|
708
|
|
|
709 if (plcf->upstream.pass_request_headers) {
|
|
|
710 part = &r->headers_in.headers.part;
|
|
|
711 header = part->elts;
|
|
126
|
712
|
|
58
|
713 for (i = 0; /* void */; i++) {
|
|
|
714
|
|
|
715 if (i >= part->nelts) {
|
|
|
716 if (part->next == NULL) {
|
|
|
717 break;
|
|
|
718 }
|
|
|
719
|
|
|
720 part = part->next;
|
|
|
721 header = part->elts;
|
|
126
|
722 i = 0;
|
|
58
|
723 }
|
|
|
724
|
|
198
|
725 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
726 header[i].lowcase_key, header[i].key.len))
|
|
58
|
727 {
|
|
|
728 continue;
|
|
|
729 }
|
|
|
730
|
|
122
|
731 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
732
|
|
|
733 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
734
|
|
122
|
735 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
736 header[i].value.len);
|
|
58
|
737
|
|
|
738 *b->last++ = CR; *b->last++ = LF;
|
|
|
739
|
|
|
740 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
741 "http proxy header: \"%V: %V\"",
|
|
|
742 &header[i].key, &header[i].value);
|
|
|
743 }
|
|
|
744 }
|
|
|
745
|
|
126
|
746
|
|
58
|
747 /* add "\r\n" at the header end */
|
|
|
748 *b->last++ = CR; *b->last++ = LF;
|
|
|
749
|
|
126
|
750 if (plcf->body_set) {
|
|
|
751 e.ip = plcf->body_set->elts;
|
|
|
752 e.pos = b->last;
|
|
|
753
|
|
|
754 while (*(uintptr_t *) e.ip) {
|
|
|
755 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
756 code((ngx_http_script_engine_t *) &e);
|
|
|
757 }
|
|
128
|
758
|
|
|
759 b->last = e.pos;
|
|
126
|
760 }
|
|
|
761
|
|
58
|
762 #if (NGX_DEBUG)
|
|
|
763 {
|
|
|
764 ngx_str_t s;
|
|
|
765
|
|
|
766 s.len = b->last - b->pos;
|
|
|
767 s.data = b->pos;
|
|
|
768 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
769 "http proxy header:\n\"%V\"", &s);
|
|
|
770 }
|
|
|
771 #endif
|
|
|
772
|
|
126
|
773 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
774
|
|
|
775 body = u->request_bufs;
|
|
|
776 u->request_bufs = cl;
|
|
|
777
|
|
|
778 while (body) {
|
|
|
779 b = ngx_alloc_buf(r->pool);
|
|
|
780 if (b == NULL) {
|
|
|
781 return NGX_ERROR;
|
|
|
782 }
|
|
|
783
|
|
|
784 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
785
|
|
|
786 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
787 if (cl->next == NULL) {
|
|
|
788 return NGX_ERROR;
|
|
|
789 }
|
|
|
790
|
|
|
791 cl = cl->next;
|
|
|
792 cl->buf = b;
|
|
|
793
|
|
|
794 body = body->next;
|
|
|
795 }
|
|
|
796
|
|
160
|
797 b->flush = 1;
|
|
|
798
|
|
58
|
799 } else {
|
|
|
800 u->request_bufs = cl;
|
|
|
801 }
|
|
|
802
|
|
|
803 cl->next = NULL;
|
|
|
804
|
|
|
805 return NGX_OK;
|
|
|
806 }
|
|
|
807
|
|
|
808
|
|
|
809 static ngx_int_t
|
|
|
810 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
811 {
|
|
|
812 ngx_http_proxy_ctx_t *p;
|
|
|
813
|
|
|
814 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
815
|
|
|
816 if (p == NULL) {
|
|
|
817 return NGX_OK;
|
|
|
818 }
|
|
|
819
|
|
|
820 p->status = 0;
|
|
|
821 p->status_count = 0;
|
|
|
822 p->status_start = NULL;
|
|
|
823 p->status_end = NULL;
|
|
|
824
|
|
|
825 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
826
|
|
|
827 return NGX_OK;
|
|
|
828 }
|
|
|
829
|
|
|
830
|
|
|
831 static ngx_int_t
|
|
|
832 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
833 {
|
|
|
834 ngx_int_t rc;
|
|
|
835 ngx_http_upstream_t *u;
|
|
|
836 ngx_http_proxy_ctx_t *p;
|
|
|
837
|
|
|
838 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
839
|
|
|
840 if (p == NULL) {
|
|
126
|
841 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
842 }
|
|
|
843
|
|
|
844 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
845
|
|
|
846 if (rc == NGX_AGAIN) {
|
|
|
847 return rc;
|
|
|
848 }
|
|
|
849
|
|
|
850 u = r->upstream;
|
|
|
851
|
|
|
852 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
853 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
854 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
855
|
|
168
|
856 #if 0
|
|
58
|
857 if (u->accel) {
|
|
|
858 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
859 }
|
|
168
|
860 #endif
|
|
58
|
861
|
|
|
862 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
863 p->status = NGX_HTTP_OK;
|
|
126
|
864
|
|
58
|
865 return NGX_OK;
|
|
|
866 }
|
|
|
867
|
|
78
|
868 u->headers_in.status_n = p->status;
|
|
58
|
869 u->state->status = p->status;
|
|
|
870
|
|
78
|
871 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
872 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
873 u->headers_in.status_line.len);
|
|
|
874 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
875 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
876 }
|
|
122
|
877
|
|
78
|
878 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
879 u->headers_in.status_line.len);
|
|
58
|
880
|
|
|
881 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
882 "http proxy status %ui \"%V\"",
|
|
270
|
883 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
884
|
|
|
885 u->process_header = ngx_http_proxy_process_header;
|
|
|
886
|
|
|
887 return ngx_http_proxy_process_header(r);
|
|
|
888 }
|
|
|
889
|
|
|
890
|
|
|
891 static ngx_int_t
|
|
|
892 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
893 {
|
|
|
894 u_char ch;
|
|
|
895 u_char *pos;
|
|
|
896 ngx_http_upstream_t *u;
|
|
|
897 enum {
|
|
|
898 sw_start = 0,
|
|
|
899 sw_H,
|
|
|
900 sw_HT,
|
|
|
901 sw_HTT,
|
|
|
902 sw_HTTP,
|
|
|
903 sw_first_major_digit,
|
|
|
904 sw_major_digit,
|
|
|
905 sw_first_minor_digit,
|
|
|
906 sw_minor_digit,
|
|
|
907 sw_status,
|
|
|
908 sw_space_after_status,
|
|
|
909 sw_status_text,
|
|
|
910 sw_almost_done
|
|
126
|
911 } state;
|
|
58
|
912
|
|
|
913 u = r->upstream;
|
|
|
914
|
|
|
915 state = r->state;
|
|
|
916
|
|
130
|
917 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
918 ch = *pos;
|
|
|
919
|
|
|
920 switch (state) {
|
|
|
921
|
|
|
922 /* "HTTP/" */
|
|
|
923 case sw_start:
|
|
|
924 switch (ch) {
|
|
126
|
925 case 'H':
|
|
58
|
926 state = sw_H;
|
|
|
927 break;
|
|
|
928 default:
|
|
|
929 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
930 }
|
|
|
931 break;
|
|
|
932
|
|
126
|
933 case sw_H:
|
|
58
|
934 switch (ch) {
|
|
126
|
935 case 'T':
|
|
58
|
936 state = sw_HT;
|
|
|
937 break;
|
|
|
938 default:
|
|
|
939 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
940 }
|
|
|
941 break;
|
|
|
942
|
|
|
943 case sw_HT:
|
|
|
944 switch (ch) {
|
|
126
|
945 case 'T':
|
|
58
|
946 state = sw_HTT;
|
|
|
947 break;
|
|
|
948 default:
|
|
|
949 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
950 }
|
|
|
951 break;
|
|
|
952
|
|
|
953 case sw_HTT:
|
|
|
954 switch (ch) {
|
|
126
|
955 case 'P':
|
|
58
|
956 state = sw_HTTP;
|
|
|
957 break;
|
|
|
958 default:
|
|
|
959 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
960 }
|
|
|
961 break;
|
|
|
962
|
|
|
963 case sw_HTTP:
|
|
|
964 switch (ch) {
|
|
126
|
965 case '/':
|
|
58
|
966 state = sw_first_major_digit;
|
|
|
967 break;
|
|
|
968 default:
|
|
|
969 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
970 }
|
|
|
971 break;
|
|
|
972
|
|
|
973 /* the first digit of major HTTP version */
|
|
|
974 case sw_first_major_digit:
|
|
|
975 if (ch < '1' || ch > '9') {
|
|
|
976 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
977 }
|
|
|
978
|
|
|
979 state = sw_major_digit;
|
|
|
980 break;
|
|
|
981
|
|
|
982 /* the major HTTP version or dot */
|
|
|
983 case sw_major_digit:
|
|
|
984 if (ch == '.') {
|
|
|
985 state = sw_first_minor_digit;
|
|
|
986 break;
|
|
|
987 }
|
|
|
988
|
|
|
989 if (ch < '0' || ch > '9') {
|
|
|
990 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
991 }
|
|
|
992
|
|
|
993 break;
|
|
|
994
|
|
|
995 /* the first digit of minor HTTP version */
|
|
|
996 case sw_first_minor_digit:
|
|
|
997 if (ch < '0' || ch > '9') {
|
|
|
998 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 state = sw_minor_digit;
|
|
|
1002 break;
|
|
|
1003
|
|
|
1004 /* the minor HTTP version or the end of the request line */
|
|
|
1005 case sw_minor_digit:
|
|
|
1006 if (ch == ' ') {
|
|
|
1007 state = sw_status;
|
|
|
1008 break;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 if (ch < '0' || ch > '9') {
|
|
|
1012 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1013 }
|
|
|
1014
|
|
|
1015 break;
|
|
|
1016
|
|
|
1017 /* HTTP status code */
|
|
|
1018 case sw_status:
|
|
168
|
1019 if (ch == ' ') {
|
|
|
1020 break;
|
|
|
1021 }
|
|
|
1022
|
|
58
|
1023 if (ch < '0' || ch > '9') {
|
|
|
1024 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 p->status = p->status * 10 + ch - '0';
|
|
|
1028
|
|
|
1029 if (++p->status_count == 3) {
|
|
|
1030 state = sw_space_after_status;
|
|
|
1031 p->status_start = pos - 2;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 break;
|
|
|
1035
|
|
|
1036 /* space or end of line */
|
|
|
1037 case sw_space_after_status:
|
|
|
1038 switch (ch) {
|
|
126
|
1039 case ' ':
|
|
58
|
1040 state = sw_status_text;
|
|
|
1041 break;
|
|
|
1042 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1043 state = sw_status_text;
|
|
|
1044 break;
|
|
|
1045 case CR:
|
|
|
1046 state = sw_almost_done;
|
|
|
1047 break;
|
|
|
1048 case LF:
|
|
|
1049 goto done;
|
|
|
1050 default:
|
|
|
1051 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1052 }
|
|
|
1053 break;
|
|
|
1054
|
|
|
1055 /* any text until end of line */
|
|
|
1056 case sw_status_text:
|
|
|
1057 switch (ch) {
|
|
|
1058 case CR:
|
|
|
1059 state = sw_almost_done;
|
|
|
1060
|
|
|
1061 break;
|
|
|
1062 case LF:
|
|
|
1063 goto done;
|
|
|
1064 }
|
|
|
1065 break;
|
|
|
1066
|
|
76
|
1067 /* end of status line */
|
|
58
|
1068 case sw_almost_done:
|
|
|
1069 p->status_end = pos - 1;
|
|
|
1070 switch (ch) {
|
|
|
1071 case LF:
|
|
|
1072 goto done;
|
|
|
1073 default:
|
|
|
1074 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1075 }
|
|
|
1076 }
|
|
|
1077 }
|
|
|
1078
|
|
130
|
1079 u->buffer.pos = pos;
|
|
58
|
1080 r->state = state;
|
|
|
1081
|
|
|
1082 return NGX_AGAIN;
|
|
|
1083
|
|
|
1084 done:
|
|
|
1085
|
|
130
|
1086 u->buffer.pos = pos + 1;
|
|
58
|
1087
|
|
|
1088 if (p->status_end == NULL) {
|
|
|
1089 p->status_end = pos;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 r->state = sw_start;
|
|
|
1093
|
|
|
1094 return NGX_OK;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097
|
|
|
1098 static ngx_int_t
|
|
|
1099 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1100 {
|
|
|
1101 ngx_int_t rc;
|
|
198
|
1102 ngx_uint_t i;
|
|
58
|
1103 ngx_table_elt_t *h;
|
|
|
1104 ngx_http_upstream_header_t *hh;
|
|
|
1105 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1106
|
|
|
1107 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1108
|
|
|
1109 for ( ;; ) {
|
|
|
1110
|
|
130
|
1111 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1112
|
|
|
1113 if (rc == NGX_OK) {
|
|
|
1114
|
|
|
1115 /* a header line has been parsed successfully */
|
|
|
1116
|
|
|
1117 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1118 if (h == NULL) {
|
|
|
1119 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1120 }
|
|
|
1121
|
|
|
1122 h->hash = r->header_hash;
|
|
|
1123
|
|
|
1124 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1125 h->value.len = r->header_end - r->header_start;
|
|
|
1126
|
|
|
1127 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1128 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1129 if (h->key.data == NULL) {
|
|
|
1130 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1134 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1135
|
|
|
1136 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1137 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1138
|
|
198
|
1139 if (h->key.len == r->lowcase_index) {
|
|
|
1140 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1141
|
|
|
1142 } else {
|
|
|
1143 for (i = 0; i < h->key.len; i++) {
|
|
|
1144 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
|
58
|
1145 }
|
|
|
1146 }
|
|
|
1147
|
|
198
|
1148 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1149 h->lowcase_key, h->key.len);
|
|
|
1150
|
|
|
1151 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1152 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1153 }
|
|
|
1154
|
|
58
|
1155 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1156 "http proxy header: \"%V: %V\"",
|
|
|
1157 &h->key, &h->value);
|
|
|
1158
|
|
|
1159 continue;
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1163
|
|
|
1164 /* a whole header has been parsed successfully */
|
|
|
1165
|
|
|
1166 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1167 "http proxy header done");
|
|
|
1168
|
|
198
|
1169 /*
|
|
|
1170 * if no "Server" and "Date" in header line,
|
|
|
1171 * then add the special empty headers
|
|
|
1172 */
|
|
|
1173
|
|
|
1174 if (r->upstream->headers_in.server == NULL) {
|
|
|
1175 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1176 if (h == NULL) {
|
|
|
1177 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1181 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1182
|
|
|
1183 h->key.len = sizeof("Server") - 1;
|
|
|
1184 h->key.data = (u_char *) "Server";
|
|
|
1185 h->value.len = 0;
|
|
|
1186 h->value.data = NULL;
|
|
|
1187 h->lowcase_key = (u_char *) "server";
|
|
|
1188 }
|
|
|
1189
|
|
|
1190 if (r->upstream->headers_in.date == NULL) {
|
|
|
1191 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1192 if (h == NULL) {
|
|
|
1193 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1197
|
|
|
1198 h->key.len = sizeof("Date") - 1;
|
|
|
1199 h->key.data = (u_char *) "Date";
|
|
|
1200 h->value.len = 0;
|
|
|
1201 h->value.data = NULL;
|
|
|
1202 h->lowcase_key = (u_char *) "date";
|
|
|
1203 }
|
|
|
1204
|
|
58
|
1205 return NGX_OK;
|
|
|
1206 }
|
|
|
1207
|
|
70
|
1208 if (rc == NGX_AGAIN) {
|
|
|
1209 return NGX_AGAIN;
|
|
|
1210 }
|
|
|
1211
|
|
58
|
1212 /* there was error while a header line parsing */
|
|
|
1213
|
|
|
1214 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1215 "upstream sent invalid header");
|
|
58
|
1216
|
|
|
1217 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1218 }
|
|
|
1219 }
|
|
|
1220
|
|
|
1221
|
|
|
1222 static void
|
|
|
1223 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1224 {
|
|
|
1225 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1226 "abort http proxy request");
|
|
126
|
1227
|
|
58
|
1228 return;
|
|
|
1229 }
|
|
|
1230
|
|
|
1231
|
|
|
1232 static void
|
|
|
1233 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1234 {
|
|
58
|
1235 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1236 "finalize http proxy request");
|
|
|
1237
|
|
|
1238 return;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241
|
|
122
|
1242 static ngx_int_t
|
|
|
1243 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1244 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1245 {
|
|
|
1246 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1247
|
|
|
1248 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1249
|
|
122
|
1250 v->len = plcf->host_header.len;
|
|
126
|
1251 v->valid = 1;
|
|
122
|
1252 v->no_cachable = 0;
|
|
|
1253 v->not_found = 0;
|
|
|
1254 v->data = plcf->host_header.data;
|
|
58
|
1255
|
|
122
|
1256 return NGX_OK;
|
|
58
|
1257 }
|
|
|
1258
|
|
|
1259
|
|
122
|
1260 static ngx_int_t
|
|
|
1261 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1262 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1263 {
|
|
|
1264 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1265
|
|
|
1266 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1267
|
|
266
|
1268 v->len = plcf->port.len;
|
|
126
|
1269 v->valid = 1;
|
|
122
|
1270 v->no_cachable = 0;
|
|
|
1271 v->not_found = 0;
|
|
266
|
1272 v->data = plcf->port.data;
|
|
58
|
1273
|
|
122
|
1274 return NGX_OK;
|
|
58
|
1275 }
|
|
|
1276
|
|
|
1277
|
|
122
|
1278 static ngx_int_t
|
|
58
|
1279 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1280 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1281 {
|
|
122
|
1282 u_char *p;
|
|
58
|
1283
|
|
126
|
1284 v->valid = 1;
|
|
122
|
1285 v->no_cachable = 0;
|
|
|
1286 v->not_found = 0;
|
|
58
|
1287
|
|
|
1288 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1289 v->len = r->connection->addr_text.len;
|
|
|
1290 v->data = r->connection->addr_text.data;
|
|
|
1291 return NGX_OK;
|
|
58
|
1292 }
|
|
|
1293
|
|
122
|
1294 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1295 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1296
|
|
122
|
1297 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1298 if (p == NULL) {
|
|
122
|
1299 return NGX_ERROR;
|
|
58
|
1300 }
|
|
|
1301
|
|
122
|
1302 v->data = p;
|
|
58
|
1303
|
|
122
|
1304 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1305 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1306
|
|
|
1307 *p++ = ','; *p++ = ' ';
|
|
|
1308
|
|
|
1309 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1310
|
|
122
|
1311 return NGX_OK;
|
|
58
|
1312 }
|
|
|
1313
|
|
|
1314
|
|
|
1315 static ngx_int_t
|
|
126
|
1316 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1317 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1318 {
|
|
|
1319 ngx_http_proxy_ctx_t *p;
|
|
|
1320
|
|
|
1321 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1322
|
|
|
1323 if (p == NULL) {
|
|
|
1324 v->not_found = 1;
|
|
|
1325 return NGX_OK;
|
|
|
1326 }
|
|
|
1327
|
|
|
1328 v->valid = 1;
|
|
|
1329 v->no_cachable = 0;
|
|
|
1330 v->not_found = 0;
|
|
|
1331
|
|
|
1332 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1333
|
|
|
1334 if (v->data == NULL) {
|
|
|
1335 return NGX_ERROR;
|
|
|
1336 }
|
|
|
1337
|
|
|
1338 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1339
|
|
|
1340 return NGX_OK;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343
|
|
|
1344 static ngx_int_t
|
|
58
|
1345 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1346 size_t prefix)
|
|
|
1347 {
|
|
|
1348 ngx_int_t rc;
|
|
|
1349 ngx_uint_t i;
|
|
|
1350 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1351 ngx_http_proxy_redirect_t *pr;
|
|
|
1352
|
|
|
1353 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1354
|
|
|
1355 pr = plcf->redirects->elts;
|
|
|
1356
|
|
|
1357 if (pr == NULL) {
|
|
|
1358 return NGX_DECLINED;
|
|
|
1359 }
|
|
|
1360
|
|
|
1361 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1362 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1363
|
|
|
1364 if (rc != NGX_DECLINED) {
|
|
|
1365 return rc;
|
|
|
1366 }
|
|
|
1367 }
|
|
|
1368
|
|
|
1369 return NGX_DECLINED;
|
|
|
1370 }
|
|
|
1371
|
|
|
1372
|
|
|
1373 static ngx_int_t
|
|
|
1374 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1375 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1376 {
|
|
|
1377 size_t len;
|
|
|
1378 u_char *data, *p;
|
|
|
1379
|
|
|
1380 if (pr->redirect.len > h->value.len - prefix
|
|
|
1381 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1382 pr->redirect.len) != 0)
|
|
|
1383 {
|
|
|
1384 return NGX_DECLINED;
|
|
|
1385 }
|
|
|
1386
|
|
|
1387 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1388
|
|
|
1389 data = ngx_palloc(r->pool, len);
|
|
|
1390 if (data == NULL) {
|
|
|
1391 return NGX_ERROR;
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 p = data;
|
|
|
1395
|
|
122
|
1396 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1397
|
|
202
|
1398 if (pr->replacement.text.len) {
|
|
|
1399 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1400 }
|
|
58
|
1401
|
|
|
1402 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1403 h->value.len - pr->redirect.len - prefix);
|
|
|
1404
|
|
|
1405 h->value.len = len;
|
|
|
1406 h->value.data = data;
|
|
|
1407
|
|
|
1408 return NGX_OK;
|
|
|
1409 }
|
|
|
1410
|
|
|
1411
|
|
|
1412 static ngx_int_t
|
|
|
1413 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1414 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1415 {
|
|
|
1416 size_t len;
|
|
|
1417 u_char *data, *p;
|
|
|
1418 ngx_http_script_code_pt code;
|
|
|
1419 ngx_http_script_engine_t e;
|
|
|
1420 ngx_http_script_len_code_pt lcode;
|
|
|
1421
|
|
|
1422 if (pr->redirect.len > h->value.len - prefix
|
|
|
1423 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1424 pr->redirect.len) != 0)
|
|
|
1425 {
|
|
|
1426 return NGX_DECLINED;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1430
|
|
|
1431 e.ip = pr->replacement.vars.lengths;
|
|
|
1432 e.request = r;
|
|
|
1433
|
|
238
|
1434 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1435
|
|
|
1436 while (*(uintptr_t *) e.ip) {
|
|
58
|
1437 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1438 len += lcode(&e);
|
|
58
|
1439 }
|
|
|
1440
|
|
|
1441 data = ngx_palloc(r->pool, len);
|
|
|
1442 if (data == NULL) {
|
|
|
1443 return NGX_ERROR;
|
|
|
1444 }
|
|
|
1445
|
|
|
1446 p = data;
|
|
|
1447
|
|
122
|
1448 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1449
|
|
|
1450 e.ip = pr->replacement.vars.values;
|
|
|
1451 e.pos = p;
|
|
|
1452
|
|
|
1453 while (*(uintptr_t *) e.ip) {
|
|
|
1454 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1455 code(&e);
|
|
|
1456 }
|
|
|
1457
|
|
238
|
1458 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1459 h->value.len - pr->redirect.len - prefix);
|
|
|
1460
|
|
58
|
1461 h->value.len = len;
|
|
|
1462 h->value.data = data;
|
|
|
1463
|
|
|
1464 return NGX_OK;
|
|
|
1465 }
|
|
|
1466
|
|
|
1467
|
|
|
1468 static ngx_int_t
|
|
|
1469 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1470 {
|
|
|
1471 ngx_http_variable_t *var, *v;
|
|
|
1472
|
|
|
1473 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1474 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1475 if (var == NULL) {
|
|
|
1476 return NGX_ERROR;
|
|
|
1477 }
|
|
|
1478
|
|
186
|
1479 var->get_handler = v->get_handler;
|
|
58
|
1480 var->data = v->data;
|
|
|
1481 }
|
|
|
1482
|
|
|
1483 return NGX_OK;
|
|
|
1484 }
|
|
|
1485
|
|
|
1486
|
|
|
1487 static void *
|
|
|
1488 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1489 {
|
|
|
1490 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1491
|
|
|
1492 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1493 if (conf == NULL) {
|
|
|
1494 return NGX_CONF_ERROR;
|
|
|
1495 }
|
|
|
1496
|
|
|
1497 /*
|
|
|
1498 * set by ngx_pcalloc():
|
|
|
1499 *
|
|
|
1500 * conf->upstream.bufs.num = 0;
|
|
|
1501 * conf->upstream.next_upstream = 0;
|
|
|
1502 * conf->upstream.temp_path = NULL;
|
|
198
|
1503 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
|
1504 * conf->upstream.hide_headers = NULL;
|
|
|
1505 * conf->upstream.pass_headers = NULL;
|
|
58
|
1506 * conf->upstream.schema = { 0, NULL };
|
|
|
1507 * conf->upstream.uri = { 0, NULL };
|
|
|
1508 * conf->upstream.location = NULL;
|
|
320
|
1509 * conf->upstream.store_lengths = NULL;
|
|
|
1510 * conf->upstream.store_values = NULL;
|
|
58
|
1511 *
|
|
110
|
1512 * conf->method = NULL;
|
|
58
|
1513 * conf->headers_source = NULL;
|
|
|
1514 * conf->headers_set_len = NULL;
|
|
|
1515 * conf->headers_set = NULL;
|
|
|
1516 * conf->headers_set_hash = NULL;
|
|
126
|
1517 * conf->body_set_len = NULL;
|
|
|
1518 * conf->body_set = NULL;
|
|
|
1519 * conf->body_source = { 0, NULL };
|
|
58
|
1520 * conf->rewrite_locations = NULL;
|
|
|
1521 */
|
|
126
|
1522
|
|
320
|
1523 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1524 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1525 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1526 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1527
|
|
58
|
1528 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1529 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1530 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1531
|
|
|
1532 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1533 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1534
|
|
|
1535 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1536 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1537 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1538
|
|
|
1539 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1540 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1541
|
|
206
|
1542 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
58
|
1543
|
|
|
1544 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1545 conf->upstream.cyclic_temp_file = 0;
|
|
|
1546
|
|
|
1547 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1548 conf->upstream.change_buffering = 1;
|
|
58
|
1549
|
|
298
|
1550 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1551 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1552
|
|
58
|
1553 return conf;
|
|
|
1554 }
|
|
|
1555
|
|
|
1556
|
|
|
1557 static char *
|
|
|
1558 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1559 {
|
|
|
1560 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1561 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1562
|
|
|
1563 u_char *p;
|
|
|
1564 size_t size;
|
|
|
1565 uintptr_t *code;
|
|
198
|
1566 ngx_str_t *header;
|
|
|
1567 ngx_uint_t i, j;
|
|
|
1568 ngx_array_t hide_headers;
|
|
|
1569 ngx_keyval_t *src, *s, *h;
|
|
|
1570 ngx_hash_key_t *hk;
|
|
|
1571 ngx_hash_init_t hash;
|
|
58
|
1572 ngx_http_proxy_redirect_t *pr;
|
|
|
1573 ngx_http_script_compile_t sc;
|
|
|
1574 ngx_http_script_copy_code_t *copy;
|
|
|
1575
|
|
320
|
1576 if (conf->upstream.store != 0) {
|
|
|
1577 ngx_conf_merge_value(conf->upstream.store,
|
|
|
1578 prev->upstream.store, 0);
|
|
|
1579
|
|
|
1580 if (conf->upstream.store_lengths == NULL) {
|
|
|
1581 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1582 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1583 }
|
|
|
1584 }
|
|
|
1585
|
|
|
1586 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1587 prev->upstream.store_access, 0600);
|
|
318
|
1588
|
|
130
|
1589 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1590 prev->upstream.buffering, 1);
|
|
|
1591
|
|
178
|
1592 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1593 prev->upstream.ignore_client_abort, 0);
|
|
|
1594
|
|
58
|
1595 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1596 prev->upstream.connect_timeout, 60000);
|
|
|
1597
|
|
|
1598 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1599 prev->upstream.send_timeout, 60000);
|
|
|
1600
|
|
|
1601 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1602 prev->upstream.read_timeout, 60000);
|
|
|
1603
|
|
|
1604 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1605 prev->upstream.send_lowat, 0);
|
|
|
1606
|
|
130
|
1607 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1608 prev->upstream.buffer_size,
|
|
58
|
1609 (size_t) ngx_pagesize);
|
|
|
1610
|
|
|
1611 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1612 8, ngx_pagesize);
|
|
|
1613
|
|
|
1614 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1615 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1616 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1617 return NGX_CONF_ERROR;
|
|
|
1618 }
|
|
126
|
1619
|
|
58
|
1620
|
|
130
|
1621 size = conf->upstream.buffer_size;
|
|
126
|
1622 if (size < conf->upstream.bufs.size) {
|
|
58
|
1623 size = conf->upstream.bufs.size;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626
|
|
78
|
1627 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1628 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1629 NGX_CONF_UNSET_SIZE);
|
|
|
1630
|
|
78
|
1631 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1632 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1633 } else {
|
|
|
1634 conf->upstream.busy_buffers_size =
|
|
|
1635 conf->upstream.busy_buffers_size_conf;
|
|
|
1636 }
|
|
126
|
1637
|
|
78
|
1638 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1640 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1641 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1642 "one of the \"proxy_buffers\"");
|
|
|
1643
|
|
|
1644 return NGX_CONF_ERROR;
|
|
78
|
1645 }
|
|
58
|
1646
|
|
78
|
1647 if (conf->upstream.busy_buffers_size
|
|
|
1648 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1649 {
|
|
|
1650 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1651 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1652 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1653
|
|
|
1654 return NGX_CONF_ERROR;
|
|
|
1655 }
|
|
78
|
1656
|
|
58
|
1657
|
|
78
|
1658 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1659 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1660 NGX_CONF_UNSET_SIZE);
|
|
|
1661
|
|
78
|
1662 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1663 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1664 } else {
|
|
|
1665 conf->upstream.temp_file_write_size =
|
|
|
1666 conf->upstream.temp_file_write_size_conf;
|
|
|
1667 }
|
|
126
|
1668
|
|
78
|
1669 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1670 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1671 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1672 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1673 "one of the \"proxy_buffers\"");
|
|
|
1674
|
|
|
1675 return NGX_CONF_ERROR;
|
|
|
1676 }
|
|
|
1677
|
|
78
|
1678 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1679 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1680 NGX_CONF_UNSET_SIZE);
|
|
|
1681
|
|
78
|
1682 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1683 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1684 } else {
|
|
|
1685 conf->upstream.max_temp_file_size =
|
|
|
1686 conf->upstream.max_temp_file_size_conf;
|
|
|
1687 }
|
|
58
|
1688
|
|
78
|
1689 if (conf->upstream.max_temp_file_size != 0
|
|
|
1690 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1691 {
|
|
|
1692 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1693 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1694 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1695 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1696 "one of the \"proxy_buffers\"");
|
|
58
|
1697
|
|
|
1698 return NGX_CONF_ERROR;
|
|
|
1699 }
|
|
|
1700
|
|
78
|
1701
|
|
58
|
1702 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1703 prev->upstream.next_upstream,
|
|
|
1704 (NGX_CONF_BITMASK_SET
|
|
|
1705 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1706 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1707
|
|
214
|
1708 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1709 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1710 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1711 }
|
|
|
1712
|
|
58
|
1713 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1714 prev->upstream.temp_path,
|
|
|
1715 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1716 ngx_garbage_collector_temp_handler, cf);
|
|
|
1717
|
|
110
|
1718 if (conf->method.len == 0) {
|
|
|
1719 conf->method = prev->method;
|
|
|
1720
|
|
|
1721 } else {
|
|
|
1722 conf->method.data[conf->method.len] = ' ';
|
|
|
1723 conf->method.len++;
|
|
58
|
1724 }
|
|
|
1725
|
|
|
1726 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1727 prev->upstream.pass_request_headers, 1);
|
|
|
1728 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1729 prev->upstream.pass_request_body, 1);
|
|
|
1730
|
|
206
|
1731 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1732 prev->upstream.intercept_errors, 0);
|
|
58
|
1733
|
|
|
1734 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1735
|
|
|
1736 if (conf->redirect) {
|
|
|
1737
|
|
|
1738 if (conf->redirects == NULL) {
|
|
|
1739 conf->redirects = prev->redirects;
|
|
|
1740 }
|
|
|
1741
|
|
|
1742 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1743
|
|
|
1744 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1745 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1746 if (conf->redirects == NULL) {
|
|
|
1747 return NGX_CONF_ERROR;
|
|
|
1748 }
|
|
|
1749
|
|
|
1750 pr = ngx_array_push(conf->redirects);
|
|
|
1751 if (pr == NULL) {
|
|
|
1752 return NGX_CONF_ERROR;
|
|
|
1753 }
|
|
|
1754
|
|
|
1755 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1756 pr->redirect = conf->upstream.url;
|
|
202
|
1757
|
|
|
1758 if (conf->upstream.uri.len) {
|
|
|
1759 pr->replacement.text = conf->upstream.location;
|
|
|
1760
|
|
|
1761 } else {
|
|
|
1762 pr->replacement.text.len = 0;
|
|
|
1763 pr->replacement.text.data = NULL;
|
|
|
1764 }
|
|
58
|
1765 }
|
|
|
1766 }
|
|
|
1767
|
|
298
|
1768 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1769 prev->headers_hash_max_size, 512);
|
|
|
1770
|
|
|
1771 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1772 prev->headers_hash_bucket_size, 64);
|
|
|
1773
|
|
|
1774 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1775 ngx_cacheline_size);
|
|
|
1776
|
|
198
|
1777 if (conf->upstream.hide_headers == NULL
|
|
|
1778 && conf->upstream.pass_headers == NULL)
|
|
|
1779 {
|
|
|
1780 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1781 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1782 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
|
1783
|
|
|
1784 if (conf->upstream.hide_headers_hash.buckets) {
|
|
|
1785 goto peers;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 } else {
|
|
|
1789 if (conf->upstream.hide_headers == NULL) {
|
|
|
1790 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1791 }
|
|
|
1792
|
|
|
1793 if (conf->upstream.pass_headers == NULL) {
|
|
|
1794 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1795 }
|
|
|
1796 }
|
|
|
1797
|
|
|
1798 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1799 != NGX_OK)
|
|
|
1800 {
|
|
|
1801 return NGX_CONF_ERROR;
|
|
|
1802 }
|
|
|
1803
|
|
|
1804 for (header = ngx_http_proxy_hide_headers; header->len; header++) {
|
|
|
1805 hk = ngx_array_push(&hide_headers);
|
|
|
1806 if (hk == NULL) {
|
|
|
1807 return NGX_CONF_ERROR;
|
|
|
1808 }
|
|
|
1809
|
|
|
1810 hk->key = *header;
|
|
|
1811 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
|
1812 hk->value = (void *) 1;
|
|
|
1813 }
|
|
|
1814
|
|
|
1815 if (conf->upstream.hide_headers) {
|
|
|
1816
|
|
|
1817 header = conf->upstream.hide_headers->elts;
|
|
|
1818
|
|
|
1819 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
|
1820
|
|
|
1821 hk = hide_headers.elts;
|
|
|
1822
|
|
|
1823 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1824 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1825 goto exist;
|
|
|
1826 }
|
|
|
1827 }
|
|
|
1828
|
|
|
1829 hk = ngx_array_push(&hide_headers);
|
|
|
1830 if (hk == NULL) {
|
|
|
1831 return NGX_CONF_ERROR;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 hk->key = header[i];
|
|
|
1835 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
|
1836 hk->value = (void *) 1;
|
|
|
1837
|
|
|
1838 exist:
|
|
|
1839
|
|
|
1840 continue;
|
|
|
1841 }
|
|
|
1842 }
|
|
|
1843
|
|
|
1844 if (conf->upstream.pass_headers) {
|
|
|
1845
|
|
|
1846 hk = hide_headers.elts;
|
|
|
1847 header = conf->upstream.pass_headers->elts;
|
|
|
1848
|
|
|
1849 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
|
1850 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1851
|
|
|
1852 if (hk[j].key.data == NULL) {
|
|
|
1853 continue;
|
|
|
1854 }
|
|
|
1855
|
|
|
1856 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1857 hk[j].key.data = NULL;
|
|
|
1858 break;
|
|
|
1859 }
|
|
|
1860 }
|
|
|
1861 }
|
|
|
1862 }
|
|
|
1863
|
|
|
1864 hash.hash = &conf->upstream.hide_headers_hash;
|
|
|
1865 hash.key = ngx_hash_key_lc;
|
|
298
|
1866 hash.max_size = conf->headers_hash_max_size;
|
|
|
1867 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1868 hash.name = "proxy_headers_hash";
|
|
198
|
1869 hash.pool = cf->pool;
|
|
|
1870 hash.temp_pool = NULL;
|
|
|
1871
|
|
|
1872 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
|
1873 return NGX_CONF_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
|
1876 peers:
|
|
58
|
1877
|
|
260
|
1878 if (conf->upstream.upstream == NULL) {
|
|
|
1879 conf->upstream.upstream = prev->upstream.upstream;
|
|
178
|
1880
|
|
|
1881 conf->host_header = prev->host_header;
|
|
266
|
1882 conf->port = prev->port;
|
|
178
|
1883 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1884 }
|
|
|
1885
|
|
126
|
1886
|
|
|
1887 if (conf->body_source.data == NULL) {
|
|
|
1888 conf->body_source = prev->body_source;
|
|
|
1889 conf->body_set_len = prev->body_set_len;
|
|
|
1890 conf->body_set = prev->body_set;
|
|
|
1891 }
|
|
|
1892
|
|
128
|
1893 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1894
|
|
|
1895 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1896
|
|
|
1897 sc.cf = cf;
|
|
|
1898 sc.source = &conf->body_source;
|
|
|
1899 sc.flushes = &conf->flushes;
|
|
|
1900 sc.lengths = &conf->body_set_len;
|
|
|
1901 sc.values = &conf->body_set;
|
|
|
1902 sc.complete_lengths = 1;
|
|
|
1903 sc.complete_values = 1;
|
|
|
1904
|
|
|
1905 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1906 return NGX_CONF_ERROR;
|
|
|
1907 }
|
|
|
1908
|
|
|
1909 if (conf->headers_source == NULL) {
|
|
|
1910 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1911 sizeof(ngx_keyval_t));
|
|
126
|
1912 if (conf->headers_source == NULL) {
|
|
|
1913 return NGX_CONF_ERROR;
|
|
|
1914 }
|
|
|
1915 }
|
|
|
1916
|
|
|
1917 s = ngx_array_push(conf->headers_source);
|
|
|
1918 if (s == NULL) {
|
|
|
1919 return NGX_CONF_ERROR;
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1923 s->key.data = (u_char *) "Content-Length";
|
|
|
1924 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1925 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1926 }
|
|
|
1927
|
|
|
1928
|
|
58
|
1929 if (conf->headers_source == NULL) {
|
|
122
|
1930 conf->flushes = prev->flushes;
|
|
58
|
1931 conf->headers_set_len = prev->headers_set_len;
|
|
|
1932 conf->headers_set = prev->headers_set;
|
|
|
1933 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1934 conf->headers_source = prev->headers_source;
|
|
58
|
1935 }
|
|
|
1936
|
|
198
|
1937 if (conf->headers_set_hash.buckets) {
|
|
58
|
1938 return NGX_CONF_OK;
|
|
|
1939 }
|
|
|
1940
|
|
|
1941
|
|
198
|
1942 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1943 if (conf->headers_names == NULL) {
|
|
|
1944 return NGX_CONF_ERROR;
|
|
|
1945 }
|
|
|
1946
|
|
|
1947 if (conf->headers_source == NULL) {
|
|
|
1948 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1949 sizeof(ngx_keyval_t));
|
|
58
|
1950 if (conf->headers_source == NULL) {
|
|
|
1951 return NGX_CONF_ERROR;
|
|
|
1952 }
|
|
|
1953 }
|
|
|
1954
|
|
|
1955 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1956 if (conf->headers_set_len == NULL) {
|
|
|
1957 return NGX_CONF_ERROR;
|
|
|
1958 }
|
|
|
1959
|
|
|
1960 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1961 if (conf->headers_set == NULL) {
|
|
|
1962 return NGX_CONF_ERROR;
|
|
|
1963 }
|
|
|
1964
|
|
|
1965
|
|
|
1966 src = conf->headers_source->elts;
|
|
|
1967
|
|
|
1968 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1969
|
|
|
1970 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1971 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1972 goto next;
|
|
|
1973 }
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 s = ngx_array_push(conf->headers_source);
|
|
|
1977 if (s == NULL) {
|
|
|
1978 return NGX_CONF_ERROR;
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 *s = *h;
|
|
|
1982
|
|
66
|
1983 src = conf->headers_source->elts;
|
|
|
1984
|
|
58
|
1985 next:
|
|
|
1986
|
|
|
1987 continue;
|
|
|
1988 }
|
|
|
1989
|
|
126
|
1990
|
|
|
1991 src = conf->headers_source->elts;
|
|
58
|
1992 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1993
|
|
198
|
1994 hk = ngx_array_push(conf->headers_names);
|
|
|
1995 if (hk == NULL) {
|
|
58
|
1996 return NGX_CONF_ERROR;
|
|
|
1997 }
|
|
|
1998
|
|
198
|
1999 hk->key = src[i].key;
|
|
|
2000 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2001 hk->value = (void *) 1;
|
|
58
|
2002
|
|
68
|
2003 if (src[i].value.len == 0) {
|
|
|
2004 continue;
|
|
|
2005 }
|
|
|
2006
|
|
58
|
2007 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2008 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2009 sizeof(ngx_http_script_copy_code_t));
|
|
|
2010 if (copy == NULL) {
|
|
|
2011 return NGX_CONF_ERROR;
|
|
|
2012 }
|
|
|
2013
|
|
|
2014 copy->code = (ngx_http_script_code_pt)
|
|
|
2015 ngx_http_script_copy_len_code;
|
|
|
2016 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2017 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2018
|
|
|
2019
|
|
|
2020 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2021 + src[i].key.len + sizeof(": ") - 1
|
|
|
2022 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2023 + sizeof(uintptr_t) - 1)
|
|
|
2024 & ~(sizeof(uintptr_t) - 1);
|
|
|
2025
|
|
|
2026 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2027 if (copy == NULL) {
|
|
|
2028 return NGX_CONF_ERROR;
|
|
|
2029 }
|
|
|
2030
|
|
|
2031 copy->code = ngx_http_script_copy_code;
|
|
|
2032 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2033 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2034
|
|
|
2035 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2036
|
|
|
2037 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2038 *p++ = ':'; *p++ = ' ';
|
|
|
2039 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2040 *p++ = CR; *p = LF;
|
|
|
2041
|
|
|
2042 } else {
|
|
|
2043 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2044 sizeof(ngx_http_script_copy_code_t));
|
|
|
2045 if (copy == NULL) {
|
|
|
2046 return NGX_CONF_ERROR;
|
|
|
2047 }
|
|
|
2048
|
|
|
2049 copy->code = (ngx_http_script_code_pt)
|
|
|
2050 ngx_http_script_copy_len_code;
|
|
|
2051 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2052
|
|
|
2053
|
|
|
2054 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2055 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2056 & ~(sizeof(uintptr_t) - 1);
|
|
|
2057
|
|
|
2058 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2059 if (copy == NULL) {
|
|
|
2060 return NGX_CONF_ERROR;
|
|
|
2061 }
|
|
|
2062
|
|
|
2063 copy->code = ngx_http_script_copy_code;
|
|
|
2064 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2065
|
|
|
2066 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2067 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2068 *p++ = ':'; *p = ' ';
|
|
|
2069
|
|
|
2070
|
|
|
2071 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2072
|
|
|
2073 sc.cf = cf;
|
|
|
2074 sc.source = &src[i].value;
|
|
122
|
2075 sc.flushes = &conf->flushes;
|
|
58
|
2076 sc.lengths = &conf->headers_set_len;
|
|
|
2077 sc.values = &conf->headers_set;
|
|
|
2078
|
|
|
2079 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2080 return NGX_CONF_ERROR;
|
|
|
2081 }
|
|
|
2082
|
|
|
2083
|
|
|
2084 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2085 sizeof(ngx_http_script_copy_code_t));
|
|
|
2086 if (copy == NULL) {
|
|
|
2087 return NGX_CONF_ERROR;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 copy->code = (ngx_http_script_code_pt)
|
|
|
2091 ngx_http_script_copy_len_code;
|
|
|
2092 copy->len = sizeof(CRLF) - 1;
|
|
|
2093
|
|
|
2094
|
|
|
2095 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2096 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2097 & ~(sizeof(uintptr_t) - 1);
|
|
|
2098
|
|
|
2099 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2100 if (copy == NULL) {
|
|
|
2101 return NGX_CONF_ERROR;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104 copy->code = ngx_http_script_copy_code;
|
|
|
2105 copy->len = sizeof(CRLF) - 1;
|
|
|
2106
|
|
|
2107 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2108 *p++ = CR; *p = LF;
|
|
|
2109 }
|
|
|
2110
|
|
|
2111 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2112 if (code == NULL) {
|
|
|
2113 return NGX_CONF_ERROR;
|
|
|
2114 }
|
|
|
2115
|
|
|
2116 *code = (uintptr_t) NULL;
|
|
|
2117
|
|
|
2118 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2119 if (code == NULL) {
|
|
|
2120 return NGX_CONF_ERROR;
|
|
|
2121 }
|
|
|
2122
|
|
|
2123 *code = (uintptr_t) NULL;
|
|
|
2124 }
|
|
|
2125
|
|
|
2126 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2127 if (code == NULL) {
|
|
|
2128 return NGX_CONF_ERROR;
|
|
|
2129 }
|
|
|
2130
|
|
|
2131 *code = (uintptr_t) NULL;
|
|
|
2132
|
|
|
2133
|
|
198
|
2134 hash.hash = &conf->headers_set_hash;
|
|
|
2135 hash.key = ngx_hash_key_lc;
|
|
298
|
2136 hash.max_size = conf->headers_hash_max_size;
|
|
|
2137 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2138 hash.name = "proxy_headers_hash";
|
|
198
|
2139 hash.pool = cf->pool;
|
|
|
2140 hash.temp_pool = NULL;
|
|
|
2141
|
|
|
2142 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2143 conf->headers_names->nelts)
|
|
|
2144 != NGX_OK)
|
|
|
2145 {
|
|
|
2146 return NGX_CONF_ERROR;
|
|
|
2147 }
|
|
|
2148
|
|
58
|
2149 return NGX_CONF_OK;
|
|
|
2150 }
|
|
|
2151
|
|
|
2152
|
|
|
2153 static char *
|
|
|
2154 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2155 {
|
|
|
2156 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2157
|
|
310
|
2158 u_char *p;
|
|
|
2159 size_t add;
|
|
|
2160 u_short port;
|
|
|
2161 ngx_str_t *value, *url;
|
|
|
2162 ngx_url_t u;
|
|
|
2163 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
2164 #if (NGX_HTTP_SSL)
|
|
310
|
2165 ngx_pool_cleanup_t *cln;
|
|
126
|
2166 #endif
|
|
58
|
2167
|
|
104
|
2168 if (plcf->upstream.schema.len) {
|
|
|
2169 return "is duplicate";
|
|
|
2170 }
|
|
|
2171
|
|
58
|
2172 value = cf->args->elts;
|
|
|
2173
|
|
|
2174 url = &value[1];
|
|
|
2175
|
|
286
|
2176 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2177 add = 7;
|
|
140
|
2178 port = 80;
|
|
126
|
2179
|
|
286
|
2180 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2181
|
|
|
2182 #if (NGX_HTTP_SSL)
|
|
|
2183
|
|
|
2184 add = 8;
|
|
140
|
2185 port = 443;
|
|
126
|
2186
|
|
|
2187 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2188 if (plcf->upstream.ssl == NULL) {
|
|
|
2189 return NGX_CONF_ERROR;
|
|
|
2190 }
|
|
|
2191
|
|
|
2192 plcf->upstream.ssl->log = cf->log;
|
|
|
2193
|
|
|
2194 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
272
|
2195 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
126
|
2196 != NGX_OK)
|
|
|
2197 {
|
|
|
2198 return NGX_CONF_ERROR;
|
|
|
2199 }
|
|
|
2200
|
|
|
2201 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2202 if (cln == NULL) {
|
|
|
2203 return NGX_CONF_ERROR;
|
|
|
2204 }
|
|
|
2205
|
|
|
2206 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2207 cln->data = plcf->upstream.ssl;
|
|
|
2208
|
|
|
2209 #else
|
|
|
2210 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2211 "https protocol requires SSL support");
|
|
|
2212 return NGX_CONF_ERROR;
|
|
|
2213 #endif
|
|
|
2214
|
|
|
2215 } else {
|
|
58
|
2216 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2217 return NGX_CONF_ERROR;
|
|
|
2218 }
|
|
|
2219
|
|
200
|
2220 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2221
|
|
|
2222 u.url.len = url->len - add;
|
|
|
2223 u.url.data = url->data + add;
|
|
266
|
2224 u.default_port = port;
|
|
|
2225 u.uri_part = 1;
|
|
260
|
2226 u.no_resolve = 1;
|
|
|
2227
|
|
|
2228 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2229 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2230 return NGX_CONF_ERROR;
|
|
|
2231 }
|
|
|
2232
|
|
266
|
2233 if (!u.unix_socket) {
|
|
|
2234 if (u.no_port || u.port == port) {
|
|
|
2235 plcf->host_header = u.host;
|
|
|
2236
|
|
|
2237 if (port == 80) {
|
|
|
2238 plcf->port.len = sizeof("80") - 1;
|
|
|
2239 plcf->port.data = (u_char *) "80";
|
|
324
|
2240
|
|
266
|
2241 } else {
|
|
|
2242 plcf->port.len = sizeof("443") - 1;
|
|
|
2243 plcf->port.data = (u_char *) "443";
|
|
|
2244 }
|
|
|
2245
|
|
|
2246 } else {
|
|
|
2247 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1);
|
|
|
2248 if (p == NULL) {
|
|
|
2249 return NGX_CONF_ERROR;
|
|
|
2250 }
|
|
|
2251
|
|
|
2252 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port)
|
|
|
2253 - p;
|
|
|
2254 plcf->host_header.data = p;
|
|
|
2255
|
|
|
2256 plcf->port.len = plcf->host_header.len - u.host.len - 1;
|
|
|
2257 plcf->port.data = p + u.host.len + 1;
|
|
|
2258 }
|
|
|
2259
|
|
|
2260
|
|
|
2261 } else {
|
|
|
2262 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2263 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2264 plcf->port.len = 0;
|
|
|
2265 plcf->port.data = (u_char *) "";
|
|
|
2266 }
|
|
|
2267
|
|
200
|
2268 plcf->upstream.uri = u.uri;
|
|
|
2269
|
|
140
|
2270 plcf->upstream.schema.len = add;
|
|
|
2271 plcf->upstream.schema.data = url->data;
|
|
58
|
2272
|
|
|
2273 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2274
|
|
|
2275 clcf->handler = ngx_http_proxy_handler;
|
|
|
2276
|
|
122
|
2277 plcf->upstream.location = clcf->name;
|
|
104
|
2278
|
|
324
|
2279 if (clcf->named
|
|
58
|
2280 #if (NGX_PCRE)
|
|
324
|
2281 || clcf->regex
|
|
|
2282 #endif
|
|
|
2283 || clcf->noname)
|
|
|
2284 {
|
|
122
|
2285 if (plcf->upstream.uri.len) {
|
|
|
2286 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2287 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2288 "location given by regular expression, "
|
|
324
|
2289 "or inside named location, "
|
|
256
|
2290 "or inside the \"if\" statement, "
|
|
|
2291 "or inside the \"limit_except\" block");
|
|
122
|
2292 return NGX_CONF_ERROR;
|
|
|
2293 }
|
|
|
2294
|
|
|
2295 plcf->upstream.location.len = 0;
|
|
104
|
2296 }
|
|
|
2297
|
|
58
|
2298 plcf->upstream.url = *url;
|
|
|
2299
|
|
|
2300 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2301 clcf->auto_redirect = 1;
|
|
|
2302 }
|
|
|
2303
|
|
|
2304 return NGX_CONF_OK;
|
|
|
2305 }
|
|
|
2306
|
|
|
2307
|
|
|
2308 static char *
|
|
|
2309 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2310 {
|
|
|
2311 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2312
|
|
|
2313 ngx_str_t *value;
|
|
|
2314 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2315 ngx_http_script_compile_t sc;
|
|
|
2316 ngx_http_proxy_redirect_t *pr;
|
|
|
2317
|
|
|
2318 if (plcf->redirect == 0) {
|
|
|
2319 return NGX_CONF_OK;
|
|
|
2320 }
|
|
|
2321
|
|
|
2322 value = cf->args->elts;
|
|
|
2323
|
|
|
2324 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2325 plcf->redirect = 0;
|
|
|
2326 plcf->redirects = NULL;
|
|
|
2327 return NGX_CONF_OK;
|
|
|
2328 }
|
|
|
2329
|
|
|
2330 if (plcf->redirects == NULL) {
|
|
|
2331 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2332 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2333 if (plcf->redirects == NULL) {
|
|
|
2334 return NGX_CONF_ERROR;
|
|
|
2335 }
|
|
|
2336 }
|
|
|
2337
|
|
|
2338 pr = ngx_array_push(plcf->redirects);
|
|
|
2339 if (pr == NULL) {
|
|
|
2340 return NGX_CONF_ERROR;
|
|
|
2341 }
|
|
|
2342
|
|
|
2343 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2344 if (plcf->upstream.url.data == NULL) {
|
|
|
2345 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2346 "\"proxy_rewrite_location default\" must go "
|
|
|
2347 "after the \"proxy_pass\" directive");
|
|
|
2348 return NGX_CONF_ERROR;
|
|
|
2349 }
|
|
|
2350
|
|
|
2351 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2352 pr->redirect = plcf->upstream.url;
|
|
202
|
2353
|
|
|
2354 if (plcf->upstream.uri.len) {
|
|
|
2355 pr->replacement.text = plcf->upstream.location;
|
|
|
2356
|
|
|
2357 } else {
|
|
|
2358 pr->replacement.text.len = 0;
|
|
|
2359 pr->replacement.text.data = NULL;
|
|
|
2360 }
|
|
58
|
2361
|
|
|
2362 return NGX_CONF_OK;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2366 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2367 pr->redirect = value[1];
|
|
|
2368 pr->replacement.text = value[2];
|
|
|
2369
|
|
|
2370 return NGX_CONF_OK;
|
|
|
2371 }
|
|
|
2372
|
|
|
2373 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2374
|
|
|
2375 vars_lengths = NULL;
|
|
|
2376 vars_values = NULL;
|
|
|
2377
|
|
|
2378 sc.cf = cf;
|
|
|
2379 sc.source = &value[2];
|
|
|
2380 sc.lengths = &vars_lengths;
|
|
|
2381 sc.values = &vars_values;
|
|
|
2382 sc.complete_lengths = 1;
|
|
|
2383 sc.complete_values = 1;
|
|
|
2384
|
|
|
2385 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2386 return NGX_CONF_ERROR;
|
|
|
2387 }
|
|
|
2388
|
|
|
2389 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2390 pr->redirect = value[1];
|
|
|
2391 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2392 pr->replacement.vars.values = vars_values->elts;
|
|
|
2393
|
|
|
2394 return NGX_CONF_OK;
|
|
|
2395 }
|
|
|
2396
|
|
|
2397
|
|
|
2398 static char *
|
|
320
|
2399 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2400 {
|
|
|
2401 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2402
|
|
|
2403 ngx_str_t *value;
|
|
|
2404 ngx_http_script_compile_t sc;
|
|
|
2405
|
|
|
2406 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths)
|
|
|
2407 {
|
|
|
2408 return "is duplicate";
|
|
|
2409 }
|
|
|
2410
|
|
|
2411 value = cf->args->elts;
|
|
|
2412
|
|
|
2413 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2414 plcf->upstream.store = 1;
|
|
|
2415 return NGX_CONF_OK;
|
|
|
2416 }
|
|
|
2417
|
|
|
2418 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2419 plcf->upstream.store = 0;
|
|
|
2420 return NGX_CONF_OK;
|
|
|
2421 }
|
|
|
2422
|
|
|
2423 /* include the terminating '\0' into script */
|
|
|
2424 value[1].len++;
|
|
|
2425
|
|
|
2426 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2427
|
|
|
2428 sc.cf = cf;
|
|
|
2429 sc.source = &value[1];
|
|
|
2430 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2431 sc.values = &plcf->upstream.store_values;
|
|
|
2432 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
2433 sc.complete_lengths = 1;
|
|
|
2434 sc.complete_values = 1;
|
|
|
2435
|
|
|
2436 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2437 return NGX_CONF_ERROR;
|
|
|
2438 }
|
|
|
2439
|
|
|
2440 return NGX_CONF_OK;
|
|
|
2441 }
|
|
|
2442
|
|
|
2443
|
|
|
2444 static char *
|
|
58
|
2445 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2446 {
|
|
|
2447 #if (NGX_FREEBSD)
|
|
|
2448 ssize_t *np = data;
|
|
|
2449
|
|
222
|
2450 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2451 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2452 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2453 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2454 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2455
|
|
|
2456 return NGX_CONF_ERROR;
|
|
|
2457 }
|
|
|
2458
|
|
|
2459 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2460 ssize_t *np = data;
|
|
|
2461
|
|
|
2462 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2463 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2464
|
|
|
2465 *np = 0;
|
|
|
2466
|
|
|
2467 #endif
|
|
|
2468
|
|
|
2469 return NGX_CONF_OK;
|
|
|
2470 }
|
|
260
|
2471
|
|
|
2472
|
|
|
2473 static char *
|
|
|
2474 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2475 ngx_command_t *cmd, void *conf)
|
|
|
2476 {
|
|
|
2477 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2478 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2479 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2480 "inside the \"upstream\" block");
|
|
|
2481
|
|
|
2482 return NGX_CONF_ERROR;
|
|
|
2483 }
|
|
|
2484
|
|
|
2485
|
|
|
2486 static char *
|
|
|
2487 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2488 ngx_command_t *cmd, void *conf)
|
|
|
2489 {
|
|
|
2490 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2491 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2492 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2493 "inside the \"upstream\" block");
|
|
|
2494
|
|
|
2495 return NGX_CONF_ERROR;
|
|
|
2496 }
|
