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580
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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580
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5 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com)
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6 */
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7
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12
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13
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14 typedef struct {
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15 ngx_http_upstream_conf_t upstream;
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16
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17 ngx_array_t *flushes;
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18 ngx_array_t *params_len;
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19 ngx_array_t *params;
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20 ngx_array_t *params_source;
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21
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22 ngx_hash_t headers_hash;
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23 ngx_uint_t header_params;
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24
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25 ngx_array_t *scgi_lengths;
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26 ngx_array_t *scgi_values;
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27
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28 #if (NGX_HTTP_CACHE)
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29 ngx_http_complex_value_t cache_key;
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30 #endif
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31 } ngx_http_scgi_loc_conf_t;
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32
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33
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34 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r,
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35 ngx_http_scgi_loc_conf_t *scf);
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36 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r);
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37 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r);
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38 static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r);
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39 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
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40 static void ngx_http_scgi_abort_request(ngx_http_request_t *r);
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41 static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc);
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42
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43 static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf);
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44 static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
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45 void *child);
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648
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46 static ngx_int_t ngx_http_scgi_merge_params(ngx_conf_t *cf,
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47 ngx_http_scgi_loc_conf_t *conf, ngx_http_scgi_loc_conf_t *prev);
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580
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48
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49 static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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50 static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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51 void *conf);
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52
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53 #if (NGX_HTTP_CACHE)
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54 static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r);
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55 static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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56 void *conf);
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57 static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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58 void *conf);
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59 #endif
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60
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61
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62 static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = {
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63 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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64 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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65 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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66 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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67 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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68 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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69 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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70 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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71 { ngx_null_string, 0 }
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72 };
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73
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74
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75 ngx_module_t ngx_http_scgi_module;
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76
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77
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78 static ngx_command_t ngx_http_scgi_commands[] = {
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79
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80 { ngx_string("scgi_pass"),
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81 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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82 ngx_http_scgi_pass,
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83 NGX_HTTP_LOC_CONF_OFFSET,
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84 0,
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85 NULL },
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86
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87 { ngx_string("scgi_store"),
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88 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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89 ngx_http_scgi_store,
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90 NGX_HTTP_LOC_CONF_OFFSET,
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91 0,
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92 NULL },
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93
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94 { ngx_string("scgi_store_access"),
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95 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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96 ngx_conf_set_access_slot,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access),
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99 NULL },
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100
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642
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101 { ngx_string("scgi_buffering"),
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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103 ngx_conf_set_flag_slot,
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104 NGX_HTTP_LOC_CONF_OFFSET,
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105 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffering),
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106 NULL },
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107
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580
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108 { ngx_string("scgi_ignore_client_abort"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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110 ngx_conf_set_flag_slot,
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111 NGX_HTTP_LOC_CONF_OFFSET,
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112 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort),
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113 NULL },
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114
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115 { ngx_string("scgi_bind"),
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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117 ngx_http_upstream_bind_set_slot,
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118 NGX_HTTP_LOC_CONF_OFFSET,
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119 offsetof(ngx_http_scgi_loc_conf_t, upstream.local),
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120 NULL },
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121
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122 { ngx_string("scgi_connect_timeout"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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124 ngx_conf_set_msec_slot,
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125 NGX_HTTP_LOC_CONF_OFFSET,
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126 offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout),
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127 NULL },
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128
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129 { ngx_string("scgi_send_timeout"),
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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131 ngx_conf_set_msec_slot,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout),
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134 NULL },
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135
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136 { ngx_string("scgi_buffer_size"),
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137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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138 ngx_conf_set_size_slot,
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139 NGX_HTTP_LOC_CONF_OFFSET,
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140 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size),
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141 NULL },
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142
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143 { ngx_string("scgi_pass_request_headers"),
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144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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145 ngx_conf_set_flag_slot,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers),
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148 NULL },
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149
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150 { ngx_string("scgi_pass_request_body"),
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151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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152 ngx_conf_set_flag_slot,
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153 NGX_HTTP_LOC_CONF_OFFSET,
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154 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body),
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155 NULL },
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156
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157 { ngx_string("scgi_intercept_errors"),
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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159 ngx_conf_set_flag_slot,
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160 NGX_HTTP_LOC_CONF_OFFSET,
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161 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors),
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162 NULL },
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163
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164 { ngx_string("scgi_read_timeout"),
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165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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166 ngx_conf_set_msec_slot,
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167 NGX_HTTP_LOC_CONF_OFFSET,
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168 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout),
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169 NULL },
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170
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171 { ngx_string("scgi_buffers"),
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172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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173 ngx_conf_set_bufs_slot,
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174 NGX_HTTP_LOC_CONF_OFFSET,
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175 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs),
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176 NULL },
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177
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178 { ngx_string("scgi_busy_buffers_size"),
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179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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180 ngx_conf_set_size_slot,
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181 NGX_HTTP_LOC_CONF_OFFSET,
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182 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf),
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183 NULL },
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184
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185 #if (NGX_HTTP_CACHE)
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186
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187 { ngx_string("scgi_cache"),
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592
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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189 ngx_http_scgi_cache,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 0,
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192 NULL },
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193
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194 { ngx_string("scgi_cache_key"),
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592
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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196 ngx_http_scgi_cache_key,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 0,
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199 NULL },
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200
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201 { ngx_string("scgi_cache_path"),
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202 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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203 ngx_http_file_cache_set_slot,
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204 0,
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205 0,
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206 &ngx_http_scgi_module },
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207
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588
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208 { ngx_string("scgi_cache_bypass"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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210 ngx_http_set_predicate_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_bypass),
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213 NULL },
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214
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580
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215 { ngx_string("scgi_no_cache"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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588
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217 ngx_http_set_predicate_slot,
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580
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218 NGX_HTTP_LOC_CONF_OFFSET,
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219 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache),
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220 NULL },
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221
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222 { ngx_string("scgi_cache_valid"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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224 ngx_http_file_cache_valid_set_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid),
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227 NULL },
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228
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229 { ngx_string("scgi_cache_min_uses"),
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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_scgi_loc_conf_t, upstream.cache_min_uses),
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234 NULL },
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235
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236 { ngx_string("scgi_cache_use_stale"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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238 ngx_conf_set_bitmask_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale),
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241 &ngx_http_scgi_next_upstream_masks },
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242
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243 { ngx_string("scgi_cache_methods"),
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244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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245 ngx_conf_set_bitmask_slot,
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246 NGX_HTTP_LOC_CONF_OFFSET,
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247 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods),
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248 &ngx_http_upstream_cache_method_mask },
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249
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656
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250 { ngx_string("scgi_cache_lock"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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252 ngx_conf_set_flag_slot,
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253 NGX_HTTP_LOC_CONF_OFFSET,
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254 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock),
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255 NULL },
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256
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257 { ngx_string("scgi_cache_lock_timeout"),
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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259 ngx_conf_set_msec_slot,
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260 NGX_HTTP_LOC_CONF_OFFSET,
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261 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_timeout),
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262 NULL },
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263
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580
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264 #endif
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265
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266 { ngx_string("scgi_temp_path"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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268 ngx_conf_set_path_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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270 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path),
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271 NULL },
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272
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273 { ngx_string("scgi_max_temp_file_size"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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275 ngx_conf_set_size_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf),
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278 NULL },
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279
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280 { ngx_string("scgi_temp_file_write_size"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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282 ngx_conf_set_size_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf),
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285 NULL },
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286
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287 { ngx_string("scgi_next_upstream"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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289 ngx_conf_set_bitmask_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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292 &ngx_http_scgi_next_upstream_masks },
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293
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294 { ngx_string("scgi_param"),
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654
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23,
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296 ngx_http_upstream_param_set_slot,
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580
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_scgi_loc_conf_t, params_source),
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299 NULL },
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300
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301 { ngx_string("scgi_pass_header"),
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592
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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303 ngx_conf_set_str_array_slot,
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304 NGX_HTTP_LOC_CONF_OFFSET,
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305 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers),
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306 NULL },
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307
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308 { ngx_string("scgi_hide_header"),
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592
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309 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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310 ngx_conf_set_str_array_slot,
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311 NGX_HTTP_LOC_CONF_OFFSET,
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312 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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313 NULL },
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314
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315 { ngx_string("scgi_ignore_headers"),
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316 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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317 ngx_conf_set_bitmask_slot,
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318 NGX_HTTP_LOC_CONF_OFFSET,
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319 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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584
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320 &ngx_http_upstream_ignore_headers_masks },
|
|
580
|
321
|
|
|
322 ngx_null_command
|
|
|
323 };
|
|
|
324
|
|
|
325
|
|
|
326 static ngx_http_module_t ngx_http_scgi_module_ctx = {
|
|
|
327 NULL, /* preconfiguration */
|
|
|
328 NULL, /* postconfiguration */
|
|
|
329
|
|
|
330 NULL, /* create main configuration */
|
|
|
331 NULL, /* init main configuration */
|
|
|
332
|
|
|
333 NULL, /* create server configuration */
|
|
|
334 NULL, /* merge server configuration */
|
|
|
335
|
|
|
336 ngx_http_scgi_create_loc_conf, /* create location configuration */
|
|
|
337 ngx_http_scgi_merge_loc_conf /* merge location configuration */
|
|
|
338 };
|
|
|
339
|
|
|
340
|
|
|
341 ngx_module_t ngx_http_scgi_module = {
|
|
|
342 NGX_MODULE_V1,
|
|
|
343 &ngx_http_scgi_module_ctx, /* module context */
|
|
|
344 ngx_http_scgi_commands, /* module directives */
|
|
|
345 NGX_HTTP_MODULE, /* module type */
|
|
|
346 NULL, /* init master */
|
|
|
347 NULL, /* init module */
|
|
|
348 NULL, /* init process */
|
|
|
349 NULL, /* init thread */
|
|
|
350 NULL, /* exit thread */
|
|
|
351 NULL, /* exit process */
|
|
|
352 NULL, /* exit master */
|
|
|
353 NGX_MODULE_V1_PADDING
|
|
|
354 };
|
|
|
355
|
|
|
356
|
|
|
357 static ngx_str_t ngx_http_scgi_hide_headers[] = {
|
|
|
358 ngx_string("Status"),
|
|
|
359 ngx_string("X-Accel-Expires"),
|
|
|
360 ngx_string("X-Accel-Redirect"),
|
|
|
361 ngx_string("X-Accel-Limit-Rate"),
|
|
|
362 ngx_string("X-Accel-Buffering"),
|
|
|
363 ngx_string("X-Accel-Charset"),
|
|
|
364 ngx_null_string
|
|
|
365 };
|
|
|
366
|
|
|
367
|
|
|
368 #if (NGX_HTTP_CACHE)
|
|
|
369
|
|
|
370 static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
|
|
|
371 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
|
372 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
|
373 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
|
374 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
|
375 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
|
376 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
|
377 { ngx_null_string, ngx_null_string }
|
|
|
378 };
|
|
|
379
|
|
|
380 #endif
|
|
|
381
|
|
|
382
|
|
|
383 static ngx_path_init_t ngx_http_scgi_temp_path = {
|
|
|
384 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
|
|
|
385 };
|
|
|
386
|
|
|
387
|
|
|
388 static ngx_int_t
|
|
|
389 ngx_http_scgi_handler(ngx_http_request_t *r)
|
|
|
390 {
|
|
|
391 ngx_int_t rc;
|
|
|
392 ngx_http_status_t *status;
|
|
|
393 ngx_http_upstream_t *u;
|
|
|
394 ngx_http_scgi_loc_conf_t *scf;
|
|
|
395
|
|
|
396 if (r->subrequest_in_memory) {
|
|
|
397 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
398 "ngx_http_scgi_module does not support "
|
|
|
399 "subrequests in memory");
|
|
|
400 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
|
404 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
405 }
|
|
|
406
|
|
|
407 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
|
|
|
408 if (status == NULL) {
|
|
|
409 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
410 }
|
|
|
411
|
|
|
412 ngx_http_set_ctx(r, status, ngx_http_scgi_module);
|
|
|
413
|
|
|
414 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
415
|
|
|
416 if (scf->scgi_lengths) {
|
|
|
417 if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
|
|
|
418 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
419 }
|
|
|
420 }
|
|
|
421
|
|
|
422 u = r->upstream;
|
|
|
423
|
|
|
424 ngx_str_set(&u->schema, "scgi://");
|
|
|
425 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
|
|
|
426
|
|
|
427 u->conf = &scf->upstream;
|
|
|
428
|
|
|
429 #if (NGX_HTTP_CACHE)
|
|
|
430 u->create_key = ngx_http_scgi_create_key;
|
|
|
431 #endif
|
|
|
432 u->create_request = ngx_http_scgi_create_request;
|
|
|
433 u->reinit_request = ngx_http_scgi_reinit_request;
|
|
|
434 u->process_header = ngx_http_scgi_process_status_line;
|
|
|
435 u->abort_request = ngx_http_scgi_abort_request;
|
|
|
436 u->finalize_request = ngx_http_scgi_finalize_request;
|
|
674
|
437 r->state = 0;
|
|
580
|
438
|
|
642
|
439 u->buffering = scf->upstream.buffering;
|
|
580
|
440
|
|
|
441 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
442 if (u->pipe == NULL) {
|
|
|
443 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
444 }
|
|
|
445
|
|
|
446 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
447 u->pipe->input_ctx = r;
|
|
|
448
|
|
|
449 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
450
|
|
|
451 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
452 return rc;
|
|
|
453 }
|
|
|
454
|
|
|
455 return NGX_DONE;
|
|
|
456 }
|
|
|
457
|
|
|
458
|
|
|
459 static ngx_int_t
|
|
|
460 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
|
461 {
|
|
|
462 ngx_url_t url;
|
|
|
463 ngx_http_upstream_t *u;
|
|
|
464
|
|
|
465 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
466
|
|
|
467 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
|
468 scf->scgi_values->elts)
|
|
|
469 == NULL)
|
|
|
470 {
|
|
|
471 return NGX_ERROR;
|
|
|
472 }
|
|
|
473
|
|
|
474 url.no_resolve = 1;
|
|
|
475
|
|
|
476 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
477 if (url.err) {
|
|
|
478 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
479 "%s in upstream \"%V\"", url.err, &url.url);
|
|
|
480 }
|
|
|
481
|
|
|
482 return NGX_ERROR;
|
|
|
483 }
|
|
|
484
|
|
|
485 u = r->upstream;
|
|
|
486
|
|
|
487 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
488 if (u->resolved == NULL) {
|
|
|
489 return NGX_ERROR;
|
|
|
490 }
|
|
|
491
|
|
|
492 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
493 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
494 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
495 u->resolved->naddrs = 1;
|
|
|
496 u->resolved->host = url.addrs[0].name;
|
|
|
497
|
|
|
498 } else {
|
|
|
499 u->resolved->host = url.host;
|
|
|
500 u->resolved->port = url.port;
|
|
618
|
501 u->resolved->no_port = url.no_port;
|
|
580
|
502 }
|
|
|
503
|
|
|
504 return NGX_OK;
|
|
|
505 }
|
|
|
506
|
|
|
507
|
|
|
508 #if (NGX_HTTP_CACHE)
|
|
|
509
|
|
|
510 static ngx_int_t
|
|
|
511 ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
|
512 {
|
|
|
513 ngx_str_t *key;
|
|
|
514 ngx_http_scgi_loc_conf_t *scf;
|
|
|
515
|
|
|
516 key = ngx_array_push(&r->cache->keys);
|
|
|
517 if (key == NULL) {
|
|
|
518 return NGX_ERROR;
|
|
|
519 }
|
|
|
520
|
|
|
521 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
522
|
|
|
523 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
|
524 return NGX_ERROR;
|
|
|
525 }
|
|
|
526
|
|
|
527 return NGX_OK;
|
|
|
528 }
|
|
|
529
|
|
|
530 #endif
|
|
|
531
|
|
|
532
|
|
|
533 static ngx_int_t
|
|
|
534 ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
|
535 {
|
|
692
|
536 off_t content_length_n;
|
|
580
|
537 u_char ch, *key, *val, *lowcase_key;
|
|
654
|
538 size_t len, key_len, val_len, allocated;
|
|
580
|
539 ngx_buf_t *b;
|
|
692
|
540 ngx_str_t content_length;
|
|
654
|
541 ngx_uint_t i, n, hash, skip_empty, header_params;
|
|
580
|
542 ngx_chain_t *cl, *body;
|
|
|
543 ngx_list_part_t *part;
|
|
|
544 ngx_table_elt_t *header, **ignored;
|
|
|
545 ngx_http_script_code_pt code;
|
|
|
546 ngx_http_script_engine_t e, le;
|
|
|
547 ngx_http_scgi_loc_conf_t *scf;
|
|
|
548 ngx_http_script_len_code_pt lcode;
|
|
692
|
549 u_char buffer[NGX_OFF_T_LEN];
|
|
|
550
|
|
|
551 content_length_n = 0;
|
|
|
552 body = r->upstream->request_bufs;
|
|
580
|
553
|
|
692
|
554 while (body) {
|
|
|
555 content_length_n += ngx_buf_size(body->buf);
|
|
|
556 body = body->next;
|
|
|
557 }
|
|
580
|
558
|
|
692
|
559 content_length.data = buffer;
|
|
|
560 content_length.len = ngx_sprintf(buffer, "%O", content_length_n) - buffer;
|
|
|
561
|
|
|
562 len = sizeof("CONTENT_LENGTH") + content_length.len + 1;
|
|
580
|
563
|
|
|
564 header_params = 0;
|
|
|
565 ignored = NULL;
|
|
|
566
|
|
|
567 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
568
|
|
|
569 if (scf->params_len) {
|
|
|
570 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
571
|
|
|
572 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
|
573 le.flushed = 1;
|
|
|
574
|
|
|
575 le.ip = scf->params_len->elts;
|
|
|
576 le.request = r;
|
|
|
577
|
|
|
578 while (*(uintptr_t *) le.ip) {
|
|
|
579
|
|
|
580 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
654
|
581 key_len = lcode(&le);
|
|
580
|
582
|
|
654
|
583 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
584 skip_empty = lcode(&le);
|
|
|
585
|
|
|
586 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
580
|
587 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
588 }
|
|
654
|
589 le.ip += sizeof(uintptr_t);
|
|
650
|
590
|
|
654
|
591 if (skip_empty && val_len == 0) {
|
|
|
592 continue;
|
|
|
593 }
|
|
|
594
|
|
|
595 len += key_len + val_len + 1;
|
|
580
|
596 }
|
|
|
597 }
|
|
|
598
|
|
|
599 if (scf->upstream.pass_request_headers) {
|
|
|
600
|
|
|
601 allocated = 0;
|
|
|
602 lowcase_key = NULL;
|
|
|
603
|
|
|
604 if (scf->header_params) {
|
|
634
|
605 n = 0;
|
|
|
606 part = &r->headers_in.headers.part;
|
|
|
607
|
|
|
608 while (part) {
|
|
|
609 n += part->nelts;
|
|
|
610 part = part->next;
|
|
|
611 }
|
|
|
612
|
|
|
613 ignored = ngx_palloc(r->pool, n * sizeof(void *));
|
|
580
|
614 if (ignored == NULL) {
|
|
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 part = &r->headers_in.headers.part;
|
|
|
620 header = part->elts;
|
|
|
621
|
|
|
622 for (i = 0; /* void */; i++) {
|
|
|
623
|
|
|
624 if (i >= part->nelts) {
|
|
|
625 if (part->next == NULL) {
|
|
|
626 break;
|
|
|
627 }
|
|
|
628
|
|
|
629 part = part->next;
|
|
|
630 header = part->elts;
|
|
|
631 i = 0;
|
|
|
632 }
|
|
|
633
|
|
|
634 if (scf->header_params) {
|
|
|
635 if (allocated < header[i].key.len) {
|
|
|
636 allocated = header[i].key.len + 16;
|
|
|
637 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
|
638 if (lowcase_key == NULL) {
|
|
|
639 return NGX_ERROR;
|
|
|
640 }
|
|
|
641 }
|
|
|
642
|
|
|
643 hash = 0;
|
|
|
644
|
|
|
645 for (n = 0; n < header[i].key.len; n++) {
|
|
|
646 ch = header[i].key.data[n];
|
|
|
647
|
|
|
648 if (ch >= 'A' && ch <= 'Z') {
|
|
|
649 ch |= 0x20;
|
|
|
650
|
|
|
651 } else if (ch == '-') {
|
|
|
652 ch = '_';
|
|
|
653 }
|
|
|
654
|
|
|
655 hash = ngx_hash(hash, ch);
|
|
|
656 lowcase_key[n] = ch;
|
|
|
657 }
|
|
|
658
|
|
|
659 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
|
660 ignored[header_params++] = &header[i];
|
|
|
661 continue;
|
|
|
662 }
|
|
|
663 }
|
|
|
664
|
|
|
665 len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
|
666 + header[i].value.len + 1;
|
|
|
667 }
|
|
|
668 }
|
|
|
669
|
|
|
670 /* netstring: "length:" + packet + "," */
|
|
|
671
|
|
|
672 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
|
673 if (b == NULL) {
|
|
|
674 return NGX_ERROR;
|
|
|
675 }
|
|
|
676
|
|
|
677 cl = ngx_alloc_chain_link(r->pool);
|
|
|
678 if (cl == NULL) {
|
|
|
679 return NGX_ERROR;
|
|
|
680 }
|
|
|
681
|
|
|
682 cl->buf = b;
|
|
|
683
|
|
692
|
684 b->last = ngx_sprintf(b->last, "%ui:CONTENT_LENGTH%Z%V%Z",
|
|
|
685 len, &content_length);
|
|
580
|
686
|
|
|
687 if (scf->params_len) {
|
|
|
688 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
689
|
|
|
690 e.ip = scf->params->elts;
|
|
|
691 e.pos = b->last;
|
|
|
692 e.request = r;
|
|
|
693 e.flushed = 1;
|
|
|
694
|
|
654
|
695 le.ip = scf->params_len->elts;
|
|
|
696
|
|
|
697 while (*(uintptr_t *) le.ip) {
|
|
|
698
|
|
|
699 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
700 lcode(&le); /* key length */
|
|
|
701
|
|
|
702 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
703 skip_empty = lcode(&le);
|
|
|
704
|
|
|
705 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
|
706 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
707 }
|
|
|
708 le.ip += sizeof(uintptr_t);
|
|
|
709
|
|
|
710 if (skip_empty && val_len == 0) {
|
|
|
711 e.skip = 1;
|
|
|
712
|
|
|
713 while (*(uintptr_t *) e.ip) {
|
|
|
714 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
715 code((ngx_http_script_engine_t *) &e);
|
|
|
716 }
|
|
|
717 e.ip += sizeof(uintptr_t);
|
|
|
718
|
|
|
719 e.skip = 0;
|
|
|
720
|
|
|
721 continue;
|
|
|
722 }
|
|
580
|
723
|
|
|
724 #if (NGX_DEBUG)
|
|
|
725 key = e.pos;
|
|
|
726 #endif
|
|
|
727 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
728 code((ngx_http_script_engine_t *) & e);
|
|
|
729
|
|
|
730 #if (NGX_DEBUG)
|
|
|
731 val = e.pos;
|
|
|
732 #endif
|
|
|
733 while (*(uintptr_t *) e.ip) {
|
|
|
734 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
735 code((ngx_http_script_engine_t *) &e);
|
|
|
736 }
|
|
|
737 *e.pos++ = '\0';
|
|
|
738 e.ip += sizeof(uintptr_t);
|
|
|
739
|
|
|
740 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
741 "scgi param: \"%s: %s\"", key, val);
|
|
|
742 }
|
|
|
743
|
|
|
744 b->last = e.pos;
|
|
|
745 }
|
|
|
746
|
|
|
747 if (scf->upstream.pass_request_headers) {
|
|
|
748
|
|
|
749 part = &r->headers_in.headers.part;
|
|
|
750 header = part->elts;
|
|
|
751
|
|
|
752 for (i = 0; /* void */; i++) {
|
|
|
753
|
|
|
754 if (i >= part->nelts) {
|
|
|
755 if (part->next == NULL) {
|
|
|
756 break;
|
|
|
757 }
|
|
|
758
|
|
|
759 part = part->next;
|
|
|
760 header = part->elts;
|
|
|
761 i = 0;
|
|
|
762 }
|
|
|
763
|
|
|
764 for (n = 0; n < header_params; n++) {
|
|
|
765 if (&header[i] == ignored[n]) {
|
|
|
766 goto next;
|
|
|
767 }
|
|
|
768 }
|
|
|
769
|
|
|
770 key = b->last;
|
|
|
771 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1);
|
|
|
772
|
|
|
773 for (n = 0; n < header[i].key.len; n++) {
|
|
|
774 ch = header[i].key.data[n];
|
|
|
775
|
|
|
776 if (ch >= 'a' && ch <= 'z') {
|
|
|
777 ch &= ~0x20;
|
|
|
778
|
|
|
779 } else if (ch == '-') {
|
|
|
780 ch = '_';
|
|
|
781 }
|
|
|
782
|
|
|
783 *b->last++ = ch;
|
|
|
784 }
|
|
|
785
|
|
|
786 *b->last++ = (u_char) 0;
|
|
|
787
|
|
|
788 val = b->last;
|
|
|
789 b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
|
790 *b->last++ = (u_char) 0;
|
|
|
791
|
|
|
792 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
793 "scgi param: \"%s: %s\"", key, val);
|
|
|
794
|
|
|
795 next:
|
|
|
796
|
|
|
797 continue;
|
|
|
798 }
|
|
|
799 }
|
|
|
800
|
|
|
801 *b->last++ = (u_char) ',';
|
|
|
802
|
|
|
803 if (scf->upstream.pass_request_body) {
|
|
|
804 body = r->upstream->request_bufs;
|
|
|
805 r->upstream->request_bufs = cl;
|
|
|
806
|
|
|
807 while (body) {
|
|
|
808 b = ngx_alloc_buf(r->pool);
|
|
|
809 if (b == NULL) {
|
|
|
810 return NGX_ERROR;
|
|
|
811 }
|
|
|
812
|
|
|
813 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
814
|
|
|
815 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
816 if (cl->next == NULL) {
|
|
|
817 return NGX_ERROR;
|
|
|
818 }
|
|
|
819
|
|
|
820 cl = cl->next;
|
|
|
821 cl->buf = b;
|
|
|
822
|
|
|
823 body = body->next;
|
|
|
824 }
|
|
|
825
|
|
|
826 } else {
|
|
|
827 r->upstream->request_bufs = cl;
|
|
|
828 }
|
|
|
829
|
|
|
830 cl->next = NULL;
|
|
|
831
|
|
|
832 return NGX_OK;
|
|
|
833 }
|
|
|
834
|
|
|
835
|
|
|
836 static ngx_int_t
|
|
|
837 ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
|
838 {
|
|
|
839 ngx_http_status_t *status;
|
|
|
840
|
|
|
841 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
842
|
|
|
843 if (status == NULL) {
|
|
|
844 return NGX_OK;
|
|
|
845 }
|
|
|
846
|
|
|
847 status->code = 0;
|
|
|
848 status->count = 0;
|
|
|
849 status->start = NULL;
|
|
|
850 status->end = NULL;
|
|
|
851
|
|
|
852 r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
674
|
853 r->state = 0;
|
|
580
|
854
|
|
|
855 return NGX_OK;
|
|
|
856 }
|
|
|
857
|
|
|
858
|
|
|
859 static ngx_int_t
|
|
|
860 ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
|
861 {
|
|
|
862 size_t len;
|
|
|
863 ngx_int_t rc;
|
|
|
864 ngx_http_status_t *status;
|
|
|
865 ngx_http_upstream_t *u;
|
|
|
866
|
|
|
867 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
868
|
|
|
869 if (status == NULL) {
|
|
|
870 return NGX_ERROR;
|
|
|
871 }
|
|
|
872
|
|
|
873 u = r->upstream;
|
|
|
874
|
|
|
875 rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
876
|
|
|
877 if (rc == NGX_AGAIN) {
|
|
|
878 return rc;
|
|
|
879 }
|
|
|
880
|
|
|
881 if (rc == NGX_ERROR) {
|
|
|
882 u->process_header = ngx_http_scgi_process_header;
|
|
|
883 return ngx_http_scgi_process_header(r);
|
|
|
884 }
|
|
|
885
|
|
|
886 if (u->state) {
|
|
|
887 u->state->status = status->code;
|
|
|
888 }
|
|
|
889
|
|
|
890 u->headers_in.status_n = status->code;
|
|
|
891
|
|
|
892 len = status->end - status->start;
|
|
|
893 u->headers_in.status_line.len = len;
|
|
|
894
|
|
|
895 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
|
896 if (u->headers_in.status_line.data == NULL) {
|
|
|
897 return NGX_ERROR;
|
|
|
898 }
|
|
|
899
|
|
|
900 ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
901
|
|
|
902 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
903 "http scgi status %ui \"%V\"",
|
|
|
904 u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
905
|
|
|
906 u->process_header = ngx_http_scgi_process_header;
|
|
|
907
|
|
|
908 return ngx_http_scgi_process_header(r);
|
|
|
909 }
|
|
|
910
|
|
|
911
|
|
|
912 static ngx_int_t
|
|
|
913 ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
|
914 {
|
|
|
915 ngx_str_t *status_line;
|
|
|
916 ngx_int_t rc, status;
|
|
|
917 ngx_table_elt_t *h;
|
|
|
918 ngx_http_upstream_t *u;
|
|
|
919 ngx_http_upstream_header_t *hh;
|
|
|
920 ngx_http_upstream_main_conf_t *umcf;
|
|
|
921
|
|
|
922 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
923
|
|
|
924 for ( ;; ) {
|
|
|
925
|
|
|
926 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
927
|
|
|
928 if (rc == NGX_OK) {
|
|
|
929
|
|
|
930 /* a header line has been parsed successfully */
|
|
|
931
|
|
|
932 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
933 if (h == NULL) {
|
|
|
934 return NGX_ERROR;
|
|
|
935 }
|
|
|
936
|
|
|
937 h->hash = r->header_hash;
|
|
|
938
|
|
|
939 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
940 h->value.len = r->header_end - r->header_start;
|
|
|
941
|
|
|
942 h->key.data = ngx_pnalloc(r->pool,
|
|
|
943 h->key.len + 1 + h->value.len + 1
|
|
|
944 + h->key.len);
|
|
|
945 if (h->key.data == NULL) {
|
|
|
946 return NGX_ERROR;
|
|
|
947 }
|
|
|
948
|
|
|
949 h->value.data = h->key.data + h->key.len + 1;
|
|
|
950 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
|
951
|
|
666
|
952 ngx_memcpy(h->key.data, r->header_name_start, h->key.len);
|
|
|
953 h->key.data[h->key.len] = '\0';
|
|
|
954 ngx_memcpy(h->value.data, r->header_start, h->value.len);
|
|
|
955 h->value.data[h->value.len] = '\0';
|
|
580
|
956
|
|
|
957 if (h->key.len == r->lowcase_index) {
|
|
|
958 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
959
|
|
|
960 } else {
|
|
|
961 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
|
962 }
|
|
|
963
|
|
|
964 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
965 h->lowcase_key, h->key.len);
|
|
|
966
|
|
|
967 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
968 return NGX_ERROR;
|
|
|
969 }
|
|
|
970
|
|
|
971 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
972 "http scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
973
|
|
|
974 continue;
|
|
|
975 }
|
|
|
976
|
|
|
977 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
978
|
|
|
979 /* a whole header has been parsed successfully */
|
|
|
980
|
|
|
981 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
982 "http scgi header done");
|
|
|
983
|
|
656
|
984 u = r->upstream;
|
|
|
985
|
|
|
986 if (u->headers_in.status_n) {
|
|
580
|
987 return NGX_OK;
|
|
|
988 }
|
|
|
989
|
|
|
990 if (u->headers_in.status) {
|
|
|
991 status_line = &u->headers_in.status->value;
|
|
|
992
|
|
|
993 status = ngx_atoi(status_line->data, 3);
|
|
|
994 if (status == NGX_ERROR) {
|
|
|
995 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
996 "upstream sent invalid status \"%V\"",
|
|
|
997 status_line);
|
|
|
998 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 u->headers_in.status_n = status;
|
|
|
1002 u->headers_in.status_line = *status_line;
|
|
|
1003
|
|
|
1004 } else if (u->headers_in.location) {
|
|
|
1005 u->headers_in.status_n = 302;
|
|
|
1006 ngx_str_set(&u->headers_in.status_line,
|
|
|
1007 "302 Moved Temporarily");
|
|
|
1008
|
|
|
1009 } else {
|
|
|
1010 u->headers_in.status_n = 200;
|
|
|
1011 ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 if (u->state) {
|
|
|
1015 u->state->status = u->headers_in.status_n;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 return NGX_OK;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 if (rc == NGX_AGAIN) {
|
|
|
1022 return NGX_AGAIN;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 /* there was error while a header line parsing */
|
|
|
1026
|
|
|
1027 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1028 "upstream sent invalid header");
|
|
|
1029
|
|
|
1030 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1031 }
|
|
|
1032 }
|
|
|
1033
|
|
|
1034
|
|
|
1035 static void
|
|
|
1036 ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
|
1037 {
|
|
|
1038 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1039 "abort http scgi request");
|
|
|
1040
|
|
|
1041 return;
|
|
|
1042 }
|
|
|
1043
|
|
|
1044
|
|
|
1045 static void
|
|
|
1046 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
1047 {
|
|
|
1048 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1049 "finalize http scgi request");
|
|
|
1050
|
|
|
1051 return;
|
|
|
1052 }
|
|
|
1053
|
|
|
1054
|
|
|
1055 static void *
|
|
|
1056 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
|
1057 {
|
|
|
1058 ngx_http_scgi_loc_conf_t *conf;
|
|
|
1059
|
|
|
1060 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
|
1061 if (conf == NULL) {
|
|
|
1062 return NULL;
|
|
|
1063 }
|
|
|
1064
|
|
|
1065 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1066 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
|
1067 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1068 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
1069
|
|
|
1070 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1071 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1072 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1073
|
|
|
1074 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1075 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1076
|
|
|
1077 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1078 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1079 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1080
|
|
|
1081 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1082 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1083
|
|
|
1084 #if (NGX_HTTP_CACHE)
|
|
|
1085 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1086 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
1087 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
|
1088 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
580
|
1089 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
656
|
1090 conf->upstream.cache_lock = NGX_CONF_UNSET;
|
|
|
1091 conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC;
|
|
580
|
1092 #endif
|
|
|
1093
|
|
|
1094 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1095 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1096
|
|
|
1097 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
1098
|
|
|
1099 /* "scgi_cyclic_temp_file" is disabled */
|
|
|
1100 conf->upstream.cyclic_temp_file = 0;
|
|
|
1101
|
|
642
|
1102 conf->upstream.change_buffering = 1;
|
|
|
1103
|
|
632
|
1104 ngx_str_set(&conf->upstream.module, "scgi");
|
|
|
1105
|
|
580
|
1106 return conf;
|
|
|
1107 }
|
|
|
1108
|
|
|
1109
|
|
|
1110 static char *
|
|
|
1111 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1112 {
|
|
|
1113 ngx_http_scgi_loc_conf_t *prev = parent;
|
|
|
1114 ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
1115
|
|
|
1116 size_t size;
|
|
|
1117 ngx_hash_init_t hash;
|
|
592
|
1118 ngx_http_core_loc_conf_t *clcf;
|
|
580
|
1119
|
|
|
1120 if (conf->upstream.store != 0) {
|
|
|
1121 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
1122
|
|
|
1123 if (conf->upstream.store_lengths == NULL) {
|
|
|
1124 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1125 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1126 }
|
|
|
1127 }
|
|
|
1128
|
|
|
1129 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1130 prev->upstream.store_access, 0600);
|
|
|
1131
|
|
|
1132 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1133 prev->upstream.buffering, 1);
|
|
|
1134
|
|
|
1135 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1136 prev->upstream.ignore_client_abort, 0);
|
|
|
1137
|
|
|
1138 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1139 prev->upstream.connect_timeout, 60000);
|
|
|
1140
|
|
|
1141 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1142 prev->upstream.send_timeout, 60000);
|
|
|
1143
|
|
|
1144 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1145 prev->upstream.read_timeout, 60000);
|
|
|
1146
|
|
|
1147 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1148 prev->upstream.send_lowat, 0);
|
|
|
1149
|
|
|
1150 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1151 prev->upstream.buffer_size,
|
|
|
1152 (size_t) ngx_pagesize);
|
|
|
1153
|
|
|
1154
|
|
|
1155 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1156 8, ngx_pagesize);
|
|
|
1157
|
|
|
1158 if (conf->upstream.bufs.num < 2) {
|
|
|
1159 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1160 "there must be at least 2 \"scgi_buffers\"");
|
|
|
1161 return NGX_CONF_ERROR;
|
|
|
1162 }
|
|
|
1163
|
|
|
1164
|
|
|
1165 size = conf->upstream.buffer_size;
|
|
|
1166 if (size < conf->upstream.bufs.size) {
|
|
|
1167 size = conf->upstream.bufs.size;
|
|
|
1168 }
|
|
|
1169
|
|
|
1170
|
|
|
1171 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1172 prev->upstream.busy_buffers_size_conf,
|
|
|
1173 NGX_CONF_UNSET_SIZE);
|
|
|
1174
|
|
|
1175 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1176 conf->upstream.busy_buffers_size = 2 * size;
|
|
|
1177 } else {
|
|
|
1178 conf->upstream.busy_buffers_size =
|
|
|
1179 conf->upstream.busy_buffers_size_conf;
|
|
|
1180 }
|
|
|
1181
|
|
|
1182 if (conf->upstream.busy_buffers_size < size) {
|
|
|
1183 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
1184 "\"scgi_busy_buffers_size\" must be equal to or greater "
|
|
|
1185 "than the maximum of the value of \"scgi_buffer_size\" and "
|
|
580
|
1186 "one of the \"scgi_buffers\"");
|
|
|
1187
|
|
|
1188 return NGX_CONF_ERROR;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 if (conf->upstream.busy_buffers_size
|
|
|
1192 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
|
1193 {
|
|
|
1194 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1195 "\"scgi_busy_buffers_size\" must be less than "
|
|
|
1196 "the size of all \"scgi_buffers\" minus one buffer");
|
|
|
1197
|
|
|
1198 return NGX_CONF_ERROR;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201
|
|
|
1202 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1203 prev->upstream.temp_file_write_size_conf,
|
|
|
1204 NGX_CONF_UNSET_SIZE);
|
|
|
1205
|
|
|
1206 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1207 conf->upstream.temp_file_write_size = 2 * size;
|
|
|
1208 } else {
|
|
|
1209 conf->upstream.temp_file_write_size =
|
|
|
1210 conf->upstream.temp_file_write_size_conf;
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 if (conf->upstream.temp_file_write_size < size) {
|
|
|
1214 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
672
|
1215 "\"scgi_temp_file_write_size\" must be equal to or greater than "
|
|
|
1216 "the maximum of the value of \"scgi_buffer_size\" and "
|
|
580
|
1217 "one of the \"scgi_buffers\"");
|
|
|
1218
|
|
|
1219 return NGX_CONF_ERROR;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222
|
|
|
1223 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1224 prev->upstream.max_temp_file_size_conf,
|
|
|
1225 NGX_CONF_UNSET_SIZE);
|
|
|
1226
|
|
|
1227 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1228 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
|
1229 } else {
|
|
|
1230 conf->upstream.max_temp_file_size =
|
|
|
1231 conf->upstream.max_temp_file_size_conf;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 if (conf->upstream.max_temp_file_size != 0
|
|
|
1235 && conf->upstream.max_temp_file_size < size) {
|
|
|
1236 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1237 "\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
672
|
1238 "temporary files usage or must be equal to or greater than "
|
|
|
1239 "the maximum of the value of \"scgi_buffer_size\" and "
|
|
580
|
1240 "one of the \"scgi_buffers\"");
|
|
|
1241
|
|
|
1242 return NGX_CONF_ERROR;
|
|
|
1243 }
|
|
|
1244
|
|
|
1245
|
|
|
1246 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1247 prev->upstream.ignore_headers,
|
|
|
1248 NGX_CONF_BITMASK_SET);
|
|
|
1249
|
|
|
1250
|
|
|
1251 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1252 prev->upstream.next_upstream,
|
|
|
1253 (NGX_CONF_BITMASK_SET
|
|
|
1254 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1255 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1256
|
|
|
1257 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1258 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1259 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
|
1263 prev->upstream.temp_path,
|
|
|
1264 &ngx_http_scgi_temp_path)
|
|
|
1265 != NGX_OK)
|
|
|
1266 {
|
|
|
1267 return NGX_CONF_ERROR;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 #if (NGX_HTTP_CACHE)
|
|
|
1271
|
|
|
1272 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1273 prev->upstream.cache, NULL);
|
|
|
1274
|
|
|
1275 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1276 ngx_shm_zone_t *shm_zone;
|
|
|
1277
|
|
|
1278 shm_zone = conf->upstream.cache;
|
|
|
1279
|
|
|
1280 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1281 "\"scgi_cache\" zone \"%V\" is unknown",
|
|
|
1282 &shm_zone->shm.name);
|
|
|
1283
|
|
|
1284 return NGX_CONF_ERROR;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1288 prev->upstream.cache_min_uses, 1);
|
|
|
1289
|
|
|
1290 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1291 prev->upstream.cache_use_stale,
|
|
|
1292 (NGX_CONF_BITMASK_SET
|
|
|
1293 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1294
|
|
|
1295 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1296 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1297 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1298 }
|
|
|
1299
|
|
658
|
1300 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) {
|
|
|
1301 conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE;
|
|
|
1302 }
|
|
|
1303
|
|
580
|
1304 if (conf->upstream.cache_methods == 0) {
|
|
|
1305 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1309
|
|
588
|
1310 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
1311 prev->upstream.cache_bypass, NULL);
|
|
|
1312
|
|
580
|
1313 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1314 prev->upstream.no_cache, NULL);
|
|
|
1315
|
|
|
1316 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1317 prev->upstream.cache_valid, NULL);
|
|
|
1318
|
|
|
1319 if (conf->cache_key.value.data == NULL) {
|
|
|
1320 conf->cache_key = prev->cache_key;
|
|
|
1321 }
|
|
|
1322
|
|
656
|
1323 ngx_conf_merge_value(conf->upstream.cache_lock,
|
|
|
1324 prev->upstream.cache_lock, 0);
|
|
|
1325
|
|
|
1326 ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout,
|
|
|
1327 prev->upstream.cache_lock_timeout, 5000);
|
|
|
1328
|
|
580
|
1329 #endif
|
|
|
1330
|
|
|
1331 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1332 prev->upstream.pass_request_headers, 1);
|
|
|
1333 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1334 prev->upstream.pass_request_body, 1);
|
|
|
1335
|
|
|
1336 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1337 prev->upstream.intercept_errors, 0);
|
|
|
1338
|
|
|
1339 hash.max_size = 512;
|
|
|
1340 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
|
1341 hash.name = "scgi_hide_headers_hash";
|
|
|
1342
|
|
|
1343 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
1344 &prev->upstream, ngx_http_scgi_hide_headers, &hash)
|
|
580
|
1345 != NGX_OK)
|
|
|
1346 {
|
|
|
1347 return NGX_CONF_ERROR;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 if (conf->upstream.upstream == NULL) {
|
|
|
1351 conf->upstream.upstream = prev->upstream.upstream;
|
|
|
1352 }
|
|
|
1353
|
|
|
1354 if (conf->scgi_lengths == NULL) {
|
|
|
1355 conf->scgi_lengths = prev->scgi_lengths;
|
|
|
1356 conf->scgi_values = prev->scgi_values;
|
|
|
1357 }
|
|
|
1358
|
|
592
|
1359 if (conf->upstream.upstream || conf->scgi_lengths) {
|
|
|
1360 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1361 if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
|
1362 clcf->handler = ngx_http_scgi_handler;
|
|
|
1363 }
|
|
|
1364 }
|
|
|
1365
|
|
648
|
1366 if (ngx_http_scgi_merge_params(cf, conf, prev) != NGX_OK) {
|
|
|
1367 return NGX_CONF_ERROR;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 return NGX_CONF_OK;
|
|
|
1371 }
|
|
|
1372
|
|
580
|
1373
|
|
648
|
1374 static ngx_int_t
|
|
|
1375 ngx_http_scgi_merge_params(ngx_conf_t *cf, ngx_http_scgi_loc_conf_t *conf,
|
|
|
1376 ngx_http_scgi_loc_conf_t *prev)
|
|
|
1377 {
|
|
|
1378 u_char *p;
|
|
|
1379 size_t size;
|
|
|
1380 uintptr_t *code;
|
|
|
1381 ngx_uint_t i, nsrc;
|
|
|
1382 ngx_array_t headers_names;
|
|
580
|
1383 #if (NGX_HTTP_CACHE)
|
|
648
|
1384 ngx_array_t params_merged;
|
|
|
1385 #endif
|
|
|
1386 ngx_hash_key_t *hk;
|
|
|
1387 ngx_hash_init_t hash;
|
|
654
|
1388 ngx_http_upstream_param_t *src;
|
|
648
|
1389 ngx_http_script_compile_t sc;
|
|
|
1390 ngx_http_script_copy_code_t *copy;
|
|
580
|
1391
|
|
648
|
1392 if (conf->params_source == NULL) {
|
|
|
1393 conf->params_source = prev->params_source;
|
|
580
|
1394
|
|
648
|
1395 if (prev->headers_hash.buckets
|
|
|
1396 #if (NGX_HTTP_CACHE)
|
|
666
|
1397 && ((conf->upstream.cache == NULL)
|
|
|
1398 == (prev->upstream.cache == NULL))
|
|
648
|
1399 #endif
|
|
|
1400 )
|
|
|
1401 {
|
|
|
1402 conf->flushes = prev->flushes;
|
|
|
1403 conf->params_len = prev->params_len;
|
|
|
1404 conf->params = prev->params;
|
|
|
1405 conf->headers_hash = prev->headers_hash;
|
|
|
1406 conf->header_params = prev->header_params;
|
|
|
1407
|
|
|
1408 return NGX_OK;
|
|
580
|
1409 }
|
|
648
|
1410 }
|
|
580
|
1411
|
|
648
|
1412 if (conf->params_source == NULL
|
|
|
1413 #if (NGX_HTTP_CACHE)
|
|
|
1414 && (conf->upstream.cache == NULL)
|
|
580
|
1415 #endif
|
|
648
|
1416 )
|
|
|
1417 {
|
|
|
1418 conf->headers_hash.buckets = (void *) 1;
|
|
|
1419 return NGX_OK;
|
|
580
|
1420 }
|
|
|
1421
|
|
|
1422 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1423 if (conf->params_len == NULL) {
|
|
648
|
1424 return NGX_ERROR;
|
|
580
|
1425 }
|
|
|
1426
|
|
|
1427 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
|
1428 if (conf->params == NULL) {
|
|
648
|
1429 return NGX_ERROR;
|
|
580
|
1430 }
|
|
|
1431
|
|
|
1432 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1433 != NGX_OK)
|
|
|
1434 {
|
|
648
|
1435 return NGX_ERROR;
|
|
580
|
1436 }
|
|
|
1437
|
|
648
|
1438 if (conf->params_source) {
|
|
|
1439 src = conf->params_source->elts;
|
|
|
1440 nsrc = conf->params_source->nelts;
|
|
|
1441
|
|
|
1442 } else {
|
|
|
1443 src = NULL;
|
|
|
1444 nsrc = 0;
|
|
|
1445 }
|
|
580
|
1446
|
|
|
1447 #if (NGX_HTTP_CACHE)
|
|
|
1448
|
|
|
1449 if (conf->upstream.cache) {
|
|
654
|
1450 ngx_keyval_t *h;
|
|
|
1451 ngx_http_upstream_param_t *s;
|
|
580
|
1452
|
|
654
|
1453 if (ngx_array_init(¶ms_merged, cf->temp_pool, 4,
|
|
|
1454 sizeof(ngx_http_upstream_param_t))
|
|
648
|
1455 != NGX_OK)
|
|
|
1456 {
|
|
|
1457 return NGX_ERROR;
|
|
|
1458 }
|
|
|
1459
|
|
|
1460 for (i = 0; i < nsrc; i++) {
|
|
580
|
1461
|
|
648
|
1462 s = ngx_array_push(¶ms_merged);
|
|
|
1463 if (s == NULL) {
|
|
|
1464 return NGX_ERROR;
|
|
|
1465 }
|
|
|
1466
|
|
|
1467 *s = src[i];
|
|
|
1468 }
|
|
|
1469
|
|
|
1470 h = ngx_http_scgi_cache_headers;
|
|
|
1471
|
|
|
1472 while (h->key.len) {
|
|
|
1473
|
|
|
1474 src = params_merged.elts;
|
|
|
1475 nsrc = params_merged.nelts;
|
|
|
1476
|
|
|
1477 for (i = 0; i < nsrc; i++) {
|
|
580
|
1478 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1479 goto next;
|
|
|
1480 }
|
|
|
1481 }
|
|
|
1482
|
|
648
|
1483 s = ngx_array_push(¶ms_merged);
|
|
580
|
1484 if (s == NULL) {
|
|
648
|
1485 return NGX_ERROR;
|
|
580
|
1486 }
|
|
|
1487
|
|
654
|
1488 s->key = h->key;
|
|
|
1489 s->value = h->value;
|
|
|
1490 s->skip_empty = 0;
|
|
580
|
1491
|
|
|
1492 next:
|
|
|
1493
|
|
|
1494 h++;
|
|
|
1495 }
|
|
648
|
1496
|
|
|
1497 src = params_merged.elts;
|
|
|
1498 nsrc = params_merged.nelts;
|
|
580
|
1499 }
|
|
|
1500
|
|
|
1501 #endif
|
|
|
1502
|
|
648
|
1503 for (i = 0; i < nsrc; i++) {
|
|
580
|
1504
|
|
|
1505 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
|
1506 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
|
1507 {
|
|
|
1508 hk = ngx_array_push(&headers_names);
|
|
|
1509 if (hk == NULL) {
|
|
648
|
1510 return NGX_ERROR;
|
|
580
|
1511 }
|
|
|
1512
|
|
|
1513 hk->key.len = src[i].key.len - 5;
|
|
|
1514 hk->key.data = src[i].key.data + 5;
|
|
|
1515 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
|
1516 hk->value = (void *) 1;
|
|
|
1517
|
|
|
1518 if (src[i].value.len == 0) {
|
|
|
1519 continue;
|
|
|
1520 }
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 copy = ngx_array_push_n(conf->params_len,
|
|
|
1524 sizeof(ngx_http_script_copy_code_t));
|
|
|
1525 if (copy == NULL) {
|
|
648
|
1526 return NGX_ERROR;
|
|
580
|
1527 }
|
|
|
1528
|
|
|
1529 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1530 copy->len = src[i].key.len + 1;
|
|
|
1531
|
|
654
|
1532 copy = ngx_array_push_n(conf->params_len,
|
|
|
1533 sizeof(ngx_http_script_copy_code_t));
|
|
|
1534 if (copy == NULL) {
|
|
|
1535 return NGX_ERROR;
|
|
|
1536 }
|
|
|
1537
|
|
|
1538 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1539 copy->len = src[i].skip_empty;
|
|
|
1540
|
|
580
|
1541
|
|
|
1542 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1543 + src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
|
1544 & ~(sizeof(uintptr_t) - 1);
|
|
|
1545
|
|
|
1546 copy = ngx_array_push_n(conf->params, size);
|
|
|
1547 if (copy == NULL) {
|
|
648
|
1548 return NGX_ERROR;
|
|
580
|
1549 }
|
|
|
1550
|
|
|
1551 copy->code = ngx_http_script_copy_code;
|
|
|
1552 copy->len = src[i].key.len + 1;
|
|
|
1553
|
|
|
1554 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1555 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
1556
|
|
|
1557
|
|
|
1558 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1559
|
|
|
1560 sc.cf = cf;
|
|
|
1561 sc.source = &src[i].value;
|
|
|
1562 sc.flushes = &conf->flushes;
|
|
|
1563 sc.lengths = &conf->params_len;
|
|
|
1564 sc.values = &conf->params;
|
|
|
1565
|
|
|
1566 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
648
|
1567 return NGX_ERROR;
|
|
580
|
1568 }
|
|
|
1569
|
|
|
1570 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1571 if (code == NULL) {
|
|
648
|
1572 return NGX_ERROR;
|
|
580
|
1573 }
|
|
|
1574
|
|
|
1575 *code = (uintptr_t) NULL;
|
|
|
1576
|
|
|
1577
|
|
|
1578 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1579 if (code == NULL) {
|
|
648
|
1580 return NGX_ERROR;
|
|
580
|
1581 }
|
|
|
1582
|
|
|
1583 *code = (uintptr_t) NULL;
|
|
|
1584 }
|
|
|
1585
|
|
|
1586 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1587 if (code == NULL) {
|
|
648
|
1588 return NGX_ERROR;
|
|
580
|
1589 }
|
|
|
1590
|
|
|
1591 *code = (uintptr_t) NULL;
|
|
|
1592
|
|
|
1593 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1594 if (code == NULL) {
|
|
648
|
1595 return NGX_ERROR;
|
|
580
|
1596 }
|
|
|
1597
|
|
|
1598 *code = (uintptr_t) NULL;
|
|
|
1599
|
|
|
1600 conf->header_params = headers_names.nelts;
|
|
|
1601
|
|
|
1602 hash.hash = &conf->headers_hash;
|
|
|
1603 hash.key = ngx_hash_key_lc;
|
|
|
1604 hash.max_size = 512;
|
|
|
1605 hash.bucket_size = 64;
|
|
|
1606 hash.name = "scgi_params_hash";
|
|
|
1607 hash.pool = cf->pool;
|
|
|
1608 hash.temp_pool = NULL;
|
|
|
1609
|
|
648
|
1610 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
|
|
580
|
1611 }
|
|
|
1612
|
|
|
1613
|
|
|
1614 static char *
|
|
|
1615 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1616 {
|
|
|
1617 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1618
|
|
|
1619 ngx_url_t u;
|
|
|
1620 ngx_str_t *value, *url;
|
|
|
1621 ngx_uint_t n;
|
|
|
1622 ngx_http_core_loc_conf_t *clcf;
|
|
|
1623 ngx_http_script_compile_t sc;
|
|
|
1624
|
|
|
1625 if (scf->upstream.upstream || scf->scgi_lengths) {
|
|
|
1626 return "is duplicate";
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
|
1630 clcf->handler = ngx_http_scgi_handler;
|
|
|
1631
|
|
|
1632 value = cf->args->elts;
|
|
|
1633
|
|
|
1634 url = &value[1];
|
|
|
1635
|
|
|
1636 n = ngx_http_script_variables_count(url);
|
|
|
1637
|
|
|
1638 if (n) {
|
|
|
1639
|
|
|
1640 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1641
|
|
|
1642 sc.cf = cf;
|
|
|
1643 sc.source = url;
|
|
|
1644 sc.lengths = &scf->scgi_lengths;
|
|
|
1645 sc.values = &scf->scgi_values;
|
|
|
1646 sc.variables = n;
|
|
|
1647 sc.complete_lengths = 1;
|
|
|
1648 sc.complete_values = 1;
|
|
|
1649
|
|
|
1650 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1651 return NGX_CONF_ERROR;
|
|
|
1652 }
|
|
|
1653
|
|
|
1654 return NGX_CONF_OK;
|
|
|
1655 }
|
|
|
1656
|
|
|
1657 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1658
|
|
|
1659 u.url = value[1];
|
|
|
1660 u.no_resolve = 1;
|
|
|
1661
|
|
|
1662 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
1663 if (scf->upstream.upstream == NULL) {
|
|
|
1664 return NGX_CONF_ERROR;
|
|
|
1665 }
|
|
|
1666
|
|
|
1667 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1668 clcf->auto_redirect = 1;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 return NGX_CONF_OK;
|
|
|
1672 }
|
|
|
1673
|
|
|
1674
|
|
|
1675 static char *
|
|
|
1676 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1677 {
|
|
|
1678 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1679
|
|
|
1680 ngx_str_t *value;
|
|
|
1681 ngx_http_script_compile_t sc;
|
|
|
1682
|
|
|
1683 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
|
|
|
1684 return "is duplicate";
|
|
|
1685 }
|
|
|
1686
|
|
|
1687 value = cf->args->elts;
|
|
|
1688
|
|
|
1689 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1690 scf->upstream.store = 0;
|
|
|
1691 return NGX_CONF_OK;
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 #if (NGX_HTTP_CACHE)
|
|
|
1695
|
|
|
1696 if (scf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
1697 && scf->upstream.cache != NULL)
|
|
|
1698 {
|
|
|
1699 return "is incompatible with \"scgi_cache\"";
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 #endif
|
|
|
1703
|
|
|
1704 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
1705 scf->upstream.store = 1;
|
|
|
1706 return NGX_CONF_OK;
|
|
|
1707 }
|
|
|
1708
|
|
|
1709 /* include the terminating '\0' into script */
|
|
|
1710 value[1].len++;
|
|
|
1711
|
|
|
1712 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1713
|
|
|
1714 sc.cf = cf;
|
|
|
1715 sc.source = &value[1];
|
|
|
1716 sc.lengths = &scf->upstream.store_lengths;
|
|
|
1717 sc.values = &scf->upstream.store_values;
|
|
|
1718 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
1719 sc.complete_lengths = 1;
|
|
|
1720 sc.complete_values = 1;
|
|
|
1721
|
|
|
1722 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1723 return NGX_CONF_ERROR;
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 return NGX_CONF_OK;
|
|
|
1727 }
|
|
|
1728
|
|
|
1729
|
|
|
1730 #if (NGX_HTTP_CACHE)
|
|
|
1731
|
|
|
1732 static char *
|
|
|
1733 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1734 {
|
|
|
1735 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1736
|
|
|
1737 ngx_str_t *value;
|
|
|
1738
|
|
|
1739 value = cf->args->elts;
|
|
|
1740
|
|
|
1741 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
1742 return "is duplicate";
|
|
|
1743 }
|
|
|
1744
|
|
|
1745 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1746 scf->upstream.cache = NULL;
|
|
|
1747 return NGX_CONF_OK;
|
|
|
1748 }
|
|
|
1749
|
|
|
1750 if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
|
1751 return "is incompatible with \"scgi_store\"";
|
|
|
1752 }
|
|
|
1753
|
|
|
1754 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
1755 &ngx_http_scgi_module);
|
|
|
1756 if (scf->upstream.cache == NULL) {
|
|
|
1757 return NGX_CONF_ERROR;
|
|
|
1758 }
|
|
|
1759
|
|
|
1760 return NGX_CONF_OK;
|
|
|
1761 }
|
|
|
1762
|
|
|
1763
|
|
|
1764 static char *
|
|
|
1765 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1766 {
|
|
|
1767 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1768
|
|
|
1769 ngx_str_t *value;
|
|
|
1770 ngx_http_compile_complex_value_t ccv;
|
|
|
1771
|
|
|
1772 value = cf->args->elts;
|
|
|
1773
|
|
|
1774 if (scf->cache_key.value.len) {
|
|
|
1775 return "is duplicate";
|
|
|
1776 }
|
|
|
1777
|
|
|
1778 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
1779
|
|
|
1780 ccv.cf = cf;
|
|
|
1781 ccv.value = &value[1];
|
|
|
1782 ccv.complex_value = &scf->cache_key;
|
|
|
1783
|
|
|
1784 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
1785 return NGX_CONF_ERROR;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 return NGX_CONF_OK;
|
|
|
1789 }
|
|
|
1790
|
|
|
1791 #endif
|
