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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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4 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com)
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct {
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14 ngx_http_upstream_conf_t upstream;
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15
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16 ngx_array_t *flushes;
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17 ngx_array_t *params_len;
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18 ngx_array_t *params;
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19 ngx_array_t *params_source;
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20
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21 ngx_hash_t headers_hash;
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22 ngx_uint_t header_params;
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23
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24 ngx_array_t *scgi_lengths;
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25 ngx_array_t *scgi_values;
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26
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27 #if (NGX_HTTP_CACHE)
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28 ngx_http_complex_value_t cache_key;
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29 #endif
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30 } ngx_http_scgi_loc_conf_t;
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31
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32
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33 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r,
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34 ngx_http_scgi_loc_conf_t *scf);
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35 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r);
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36 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r);
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37 static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r);
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38 static ngx_int_t ngx_http_scgi_process_header(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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250 #endif
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251
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252 { ngx_string("scgi_temp_path"),
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253 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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254 ngx_conf_set_path_slot,
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255 NGX_HTTP_LOC_CONF_OFFSET,
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256 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path),
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257 NULL },
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258
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259 { ngx_string("scgi_max_temp_file_size"),
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260 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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261 ngx_conf_set_size_slot,
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262 NGX_HTTP_LOC_CONF_OFFSET,
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263 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf),
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264 NULL },
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265
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266 { ngx_string("scgi_temp_file_write_size"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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268 ngx_conf_set_size_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_file_write_size_conf),
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271 NULL },
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272
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273 { ngx_string("scgi_next_upstream"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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275 ngx_conf_set_bitmask_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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278 &ngx_http_scgi_next_upstream_masks },
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279
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280 { ngx_string("scgi_param"),
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654
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23,
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282 ngx_http_upstream_param_set_slot,
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580
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_scgi_loc_conf_t, params_source),
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285 NULL },
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286
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287 { ngx_string("scgi_pass_header"),
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592
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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289 ngx_conf_set_str_array_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers),
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292 NULL },
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293
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294 { ngx_string("scgi_hide_header"),
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592
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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296 ngx_conf_set_str_array_slot,
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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299 NULL },
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300
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301 { ngx_string("scgi_ignore_headers"),
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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303 ngx_conf_set_bitmask_slot,
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304 NGX_HTTP_LOC_CONF_OFFSET,
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305 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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584
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306 &ngx_http_upstream_ignore_headers_masks },
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580
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307
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308 ngx_null_command
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309 };
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310
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311
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312 static ngx_http_module_t ngx_http_scgi_module_ctx = {
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313 NULL, /* preconfiguration */
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314 NULL, /* postconfiguration */
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315
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316 NULL, /* create main configuration */
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317 NULL, /* init main configuration */
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318
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319 NULL, /* create server configuration */
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320 NULL, /* merge server configuration */
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321
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322 ngx_http_scgi_create_loc_conf, /* create location configuration */
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323 ngx_http_scgi_merge_loc_conf /* merge location configuration */
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324 };
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325
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326
|
|
|
327 ngx_module_t ngx_http_scgi_module = {
|
|
|
328 NGX_MODULE_V1,
|
|
|
329 &ngx_http_scgi_module_ctx, /* module context */
|
|
|
330 ngx_http_scgi_commands, /* module directives */
|
|
|
331 NGX_HTTP_MODULE, /* module type */
|
|
|
332 NULL, /* init master */
|
|
|
333 NULL, /* init module */
|
|
|
334 NULL, /* init process */
|
|
|
335 NULL, /* init thread */
|
|
|
336 NULL, /* exit thread */
|
|
|
337 NULL, /* exit process */
|
|
|
338 NULL, /* exit master */
|
|
|
339 NGX_MODULE_V1_PADDING
|
|
|
340 };
|
|
|
341
|
|
|
342
|
|
|
343 static ngx_str_t ngx_http_scgi_hide_headers[] = {
|
|
|
344 ngx_string("Status"),
|
|
|
345 ngx_string("X-Accel-Expires"),
|
|
|
346 ngx_string("X-Accel-Redirect"),
|
|
|
347 ngx_string("X-Accel-Limit-Rate"),
|
|
|
348 ngx_string("X-Accel-Buffering"),
|
|
|
349 ngx_string("X-Accel-Charset"),
|
|
|
350 ngx_null_string
|
|
|
351 };
|
|
|
352
|
|
|
353
|
|
|
354 #if (NGX_HTTP_CACHE)
|
|
|
355
|
|
|
356 static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
|
|
|
357 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
|
358 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
|
359 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
|
360 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
|
361 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
|
362 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
|
363 { ngx_null_string, ngx_null_string }
|
|
|
364 };
|
|
|
365
|
|
|
366 #endif
|
|
|
367
|
|
|
368
|
|
|
369 static ngx_path_init_t ngx_http_scgi_temp_path = {
|
|
|
370 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
|
|
|
371 };
|
|
|
372
|
|
|
373
|
|
|
374 static ngx_int_t
|
|
|
375 ngx_http_scgi_handler(ngx_http_request_t *r)
|
|
|
376 {
|
|
|
377 ngx_int_t rc;
|
|
|
378 ngx_http_status_t *status;
|
|
|
379 ngx_http_upstream_t *u;
|
|
|
380 ngx_http_scgi_loc_conf_t *scf;
|
|
|
381
|
|
|
382 if (r->subrequest_in_memory) {
|
|
|
383 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
384 "ngx_http_scgi_module does not support "
|
|
|
385 "subrequests in memory");
|
|
|
386 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
387 }
|
|
|
388
|
|
|
389 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
|
390 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
391 }
|
|
|
392
|
|
|
393 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
|
|
|
394 if (status == NULL) {
|
|
|
395 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
396 }
|
|
|
397
|
|
|
398 ngx_http_set_ctx(r, status, ngx_http_scgi_module);
|
|
|
399
|
|
|
400 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
401
|
|
|
402 if (scf->scgi_lengths) {
|
|
|
403 if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
|
|
|
404 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
405 }
|
|
|
406 }
|
|
|
407
|
|
|
408 u = r->upstream;
|
|
|
409
|
|
|
410 ngx_str_set(&u->schema, "scgi://");
|
|
|
411 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
|
|
|
412
|
|
|
413 u->conf = &scf->upstream;
|
|
|
414
|
|
|
415 #if (NGX_HTTP_CACHE)
|
|
|
416 u->create_key = ngx_http_scgi_create_key;
|
|
|
417 #endif
|
|
|
418 u->create_request = ngx_http_scgi_create_request;
|
|
|
419 u->reinit_request = ngx_http_scgi_reinit_request;
|
|
|
420 u->process_header = ngx_http_scgi_process_status_line;
|
|
|
421 u->abort_request = ngx_http_scgi_abort_request;
|
|
|
422 u->finalize_request = ngx_http_scgi_finalize_request;
|
|
|
423
|
|
642
|
424 u->buffering = scf->upstream.buffering;
|
|
580
|
425
|
|
|
426 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
427 if (u->pipe == NULL) {
|
|
|
428 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
429 }
|
|
|
430
|
|
|
431 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
432 u->pipe->input_ctx = r;
|
|
|
433
|
|
|
434 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
435
|
|
|
436 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
437 return rc;
|
|
|
438 }
|
|
|
439
|
|
|
440 return NGX_DONE;
|
|
|
441 }
|
|
|
442
|
|
|
443
|
|
|
444 static ngx_int_t
|
|
|
445 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
|
446 {
|
|
|
447 ngx_url_t url;
|
|
|
448 ngx_http_upstream_t *u;
|
|
|
449
|
|
|
450 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
451
|
|
|
452 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
|
453 scf->scgi_values->elts)
|
|
|
454 == NULL)
|
|
|
455 {
|
|
|
456 return NGX_ERROR;
|
|
|
457 }
|
|
|
458
|
|
|
459 url.no_resolve = 1;
|
|
|
460
|
|
|
461 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
462 if (url.err) {
|
|
|
463 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
464 "%s in upstream \"%V\"", url.err, &url.url);
|
|
|
465 }
|
|
|
466
|
|
|
467 return NGX_ERROR;
|
|
|
468 }
|
|
|
469
|
|
|
470 u = r->upstream;
|
|
|
471
|
|
|
472 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
473 if (u->resolved == NULL) {
|
|
|
474 return NGX_ERROR;
|
|
|
475 }
|
|
|
476
|
|
|
477 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
478 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
479 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
480 u->resolved->naddrs = 1;
|
|
|
481 u->resolved->host = url.addrs[0].name;
|
|
|
482
|
|
|
483 } else {
|
|
|
484 u->resolved->host = url.host;
|
|
|
485 u->resolved->port = url.port;
|
|
618
|
486 u->resolved->no_port = url.no_port;
|
|
580
|
487 }
|
|
|
488
|
|
|
489 return NGX_OK;
|
|
|
490 }
|
|
|
491
|
|
|
492
|
|
|
493 #if (NGX_HTTP_CACHE)
|
|
|
494
|
|
|
495 static ngx_int_t
|
|
|
496 ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
|
497 {
|
|
|
498 ngx_str_t *key;
|
|
|
499 ngx_http_scgi_loc_conf_t *scf;
|
|
|
500
|
|
|
501 key = ngx_array_push(&r->cache->keys);
|
|
|
502 if (key == NULL) {
|
|
|
503 return NGX_ERROR;
|
|
|
504 }
|
|
|
505
|
|
|
506 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
507
|
|
|
508 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
|
509 return NGX_ERROR;
|
|
|
510 }
|
|
|
511
|
|
|
512 return NGX_OK;
|
|
|
513 }
|
|
|
514
|
|
|
515 #endif
|
|
|
516
|
|
|
517
|
|
|
518 static ngx_int_t
|
|
|
519 ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
|
520 {
|
|
|
521 u_char ch, *key, *val, *lowcase_key;
|
|
654
|
522 size_t len, key_len, val_len, allocated;
|
|
580
|
523 ngx_buf_t *b;
|
|
|
524 ngx_str_t *content_length;
|
|
654
|
525 ngx_uint_t i, n, hash, skip_empty, header_params;
|
|
580
|
526 ngx_chain_t *cl, *body;
|
|
|
527 ngx_list_part_t *part;
|
|
|
528 ngx_table_elt_t *header, **ignored;
|
|
|
529 ngx_http_script_code_pt code;
|
|
|
530 ngx_http_script_engine_t e, le;
|
|
|
531 ngx_http_scgi_loc_conf_t *scf;
|
|
|
532 ngx_http_script_len_code_pt lcode;
|
|
|
533 static ngx_str_t zero = ngx_string("0");
|
|
|
534
|
|
|
535 content_length = r->headers_in.content_length ?
|
|
|
536 &r->headers_in.content_length->value : &zero;
|
|
|
537
|
|
|
538 len = sizeof("CONTENT_LENGTH") + content_length->len + 1;
|
|
|
539
|
|
|
540 header_params = 0;
|
|
|
541 ignored = NULL;
|
|
|
542
|
|
|
543 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
544
|
|
|
545 if (scf->params_len) {
|
|
|
546 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
547
|
|
|
548 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
|
549 le.flushed = 1;
|
|
|
550
|
|
|
551 le.ip = scf->params_len->elts;
|
|
|
552 le.request = r;
|
|
|
553
|
|
|
554 while (*(uintptr_t *) le.ip) {
|
|
|
555
|
|
|
556 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
654
|
557 key_len = lcode(&le);
|
|
580
|
558
|
|
654
|
559 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
560 skip_empty = lcode(&le);
|
|
|
561
|
|
|
562 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
580
|
563 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
564 }
|
|
654
|
565 le.ip += sizeof(uintptr_t);
|
|
650
|
566
|
|
654
|
567 if (skip_empty && val_len == 0) {
|
|
|
568 continue;
|
|
|
569 }
|
|
|
570
|
|
|
571 len += key_len + val_len + 1;
|
|
580
|
572 }
|
|
|
573 }
|
|
|
574
|
|
|
575 if (scf->upstream.pass_request_headers) {
|
|
|
576
|
|
|
577 allocated = 0;
|
|
|
578 lowcase_key = NULL;
|
|
|
579
|
|
|
580 if (scf->header_params) {
|
|
634
|
581 n = 0;
|
|
|
582 part = &r->headers_in.headers.part;
|
|
|
583
|
|
|
584 while (part) {
|
|
|
585 n += part->nelts;
|
|
|
586 part = part->next;
|
|
|
587 }
|
|
|
588
|
|
|
589 ignored = ngx_palloc(r->pool, n * sizeof(void *));
|
|
580
|
590 if (ignored == NULL) {
|
|
|
591 return NGX_ERROR;
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
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;
|
|
|
607 i = 0;
|
|
|
608 }
|
|
|
609
|
|
|
610 if (scf->header_params) {
|
|
|
611 if (allocated < header[i].key.len) {
|
|
|
612 allocated = header[i].key.len + 16;
|
|
|
613 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
|
614 if (lowcase_key == NULL) {
|
|
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 hash = 0;
|
|
|
620
|
|
|
621 for (n = 0; n < header[i].key.len; n++) {
|
|
|
622 ch = header[i].key.data[n];
|
|
|
623
|
|
|
624 if (ch >= 'A' && ch <= 'Z') {
|
|
|
625 ch |= 0x20;
|
|
|
626
|
|
|
627 } else if (ch == '-') {
|
|
|
628 ch = '_';
|
|
|
629 }
|
|
|
630
|
|
|
631 hash = ngx_hash(hash, ch);
|
|
|
632 lowcase_key[n] = ch;
|
|
|
633 }
|
|
|
634
|
|
|
635 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
|
636 ignored[header_params++] = &header[i];
|
|
|
637 continue;
|
|
|
638 }
|
|
|
639 }
|
|
|
640
|
|
|
641 len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
|
642 + header[i].value.len + 1;
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 /* netstring: "length:" + packet + "," */
|
|
|
647
|
|
|
648 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
|
649 if (b == NULL) {
|
|
|
650 return NGX_ERROR;
|
|
|
651 }
|
|
|
652
|
|
|
653 cl = ngx_alloc_chain_link(r->pool);
|
|
|
654 if (cl == NULL) {
|
|
|
655 return NGX_ERROR;
|
|
|
656 }
|
|
|
657
|
|
|
658 cl->buf = b;
|
|
|
659
|
|
|
660 b->last = ngx_snprintf(b->last,
|
|
|
661 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH")
|
|
|
662 + NGX_OFF_T_LEN + 1,
|
|
|
663 "%ui:CONTENT_LENGTH%Z%V%Z",
|
|
|
664 len, content_length);
|
|
|
665
|
|
|
666 if (scf->params_len) {
|
|
|
667 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
668
|
|
|
669 e.ip = scf->params->elts;
|
|
|
670 e.pos = b->last;
|
|
|
671 e.request = r;
|
|
|
672 e.flushed = 1;
|
|
|
673
|
|
654
|
674 le.ip = scf->params_len->elts;
|
|
|
675
|
|
|
676 while (*(uintptr_t *) le.ip) {
|
|
|
677
|
|
|
678 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
679 lcode(&le); /* key length */
|
|
|
680
|
|
|
681 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
682 skip_empty = lcode(&le);
|
|
|
683
|
|
|
684 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
|
685 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
686 }
|
|
|
687 le.ip += sizeof(uintptr_t);
|
|
|
688
|
|
|
689 if (skip_empty && val_len == 0) {
|
|
|
690 e.skip = 1;
|
|
|
691
|
|
|
692 while (*(uintptr_t *) e.ip) {
|
|
|
693 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
694 code((ngx_http_script_engine_t *) &e);
|
|
|
695 }
|
|
|
696 e.ip += sizeof(uintptr_t);
|
|
|
697
|
|
|
698 e.skip = 0;
|
|
|
699
|
|
|
700 continue;
|
|
|
701 }
|
|
580
|
702
|
|
|
703 #if (NGX_DEBUG)
|
|
|
704 key = e.pos;
|
|
|
705 #endif
|
|
|
706 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
707 code((ngx_http_script_engine_t *) & e);
|
|
|
708
|
|
|
709 #if (NGX_DEBUG)
|
|
|
710 val = e.pos;
|
|
|
711 #endif
|
|
|
712 while (*(uintptr_t *) e.ip) {
|
|
|
713 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
714 code((ngx_http_script_engine_t *) &e);
|
|
|
715 }
|
|
|
716 *e.pos++ = '\0';
|
|
|
717 e.ip += sizeof(uintptr_t);
|
|
|
718
|
|
|
719 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
720 "scgi param: \"%s: %s\"", key, val);
|
|
|
721 }
|
|
|
722
|
|
|
723 b->last = e.pos;
|
|
|
724 }
|
|
|
725
|
|
|
726 if (scf->upstream.pass_request_headers) {
|
|
|
727
|
|
|
728 part = &r->headers_in.headers.part;
|
|
|
729 header = part->elts;
|
|
|
730
|
|
|
731 for (i = 0; /* void */; i++) {
|
|
|
732
|
|
|
733 if (i >= part->nelts) {
|
|
|
734 if (part->next == NULL) {
|
|
|
735 break;
|
|
|
736 }
|
|
|
737
|
|
|
738 part = part->next;
|
|
|
739 header = part->elts;
|
|
|
740 i = 0;
|
|
|
741 }
|
|
|
742
|
|
|
743 for (n = 0; n < header_params; n++) {
|
|
|
744 if (&header[i] == ignored[n]) {
|
|
|
745 goto next;
|
|
|
746 }
|
|
|
747 }
|
|
|
748
|
|
|
749 key = b->last;
|
|
|
750 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1);
|
|
|
751
|
|
|
752 for (n = 0; n < header[i].key.len; n++) {
|
|
|
753 ch = header[i].key.data[n];
|
|
|
754
|
|
|
755 if (ch >= 'a' && ch <= 'z') {
|
|
|
756 ch &= ~0x20;
|
|
|
757
|
|
|
758 } else if (ch == '-') {
|
|
|
759 ch = '_';
|
|
|
760 }
|
|
|
761
|
|
|
762 *b->last++ = ch;
|
|
|
763 }
|
|
|
764
|
|
|
765 *b->last++ = (u_char) 0;
|
|
|
766
|
|
|
767 val = b->last;
|
|
|
768 b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
|
769 *b->last++ = (u_char) 0;
|
|
|
770
|
|
|
771 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
772 "scgi param: \"%s: %s\"", key, val);
|
|
|
773
|
|
|
774 next:
|
|
|
775
|
|
|
776 continue;
|
|
|
777 }
|
|
|
778 }
|
|
|
779
|
|
|
780 *b->last++ = (u_char) ',';
|
|
|
781
|
|
|
782 if (scf->upstream.pass_request_body) {
|
|
|
783 body = r->upstream->request_bufs;
|
|
|
784 r->upstream->request_bufs = cl;
|
|
|
785
|
|
|
786 while (body) {
|
|
|
787 b = ngx_alloc_buf(r->pool);
|
|
|
788 if (b == NULL) {
|
|
|
789 return NGX_ERROR;
|
|
|
790 }
|
|
|
791
|
|
|
792 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
793
|
|
|
794 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
795 if (cl->next == NULL) {
|
|
|
796 return NGX_ERROR;
|
|
|
797 }
|
|
|
798
|
|
|
799 cl = cl->next;
|
|
|
800 cl->buf = b;
|
|
|
801
|
|
|
802 body = body->next;
|
|
|
803 }
|
|
|
804
|
|
|
805 } else {
|
|
|
806 r->upstream->request_bufs = cl;
|
|
|
807 }
|
|
|
808
|
|
|
809 cl->next = NULL;
|
|
|
810
|
|
|
811 return NGX_OK;
|
|
|
812 }
|
|
|
813
|
|
|
814
|
|
|
815 static ngx_int_t
|
|
|
816 ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
|
817 {
|
|
|
818 ngx_http_status_t *status;
|
|
|
819
|
|
|
820 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
821
|
|
|
822 if (status == NULL) {
|
|
|
823 return NGX_OK;
|
|
|
824 }
|
|
|
825
|
|
|
826 status->code = 0;
|
|
|
827 status->count = 0;
|
|
|
828 status->start = NULL;
|
|
|
829 status->end = NULL;
|
|
|
830
|
|
|
831 r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
|
832
|
|
|
833 return NGX_OK;
|
|
|
834 }
|
|
|
835
|
|
|
836
|
|
|
837 static ngx_int_t
|
|
|
838 ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
|
839 {
|
|
|
840 size_t len;
|
|
|
841 ngx_int_t rc;
|
|
|
842 ngx_http_status_t *status;
|
|
|
843 ngx_http_upstream_t *u;
|
|
|
844
|
|
|
845 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
846
|
|
|
847 if (status == NULL) {
|
|
|
848 return NGX_ERROR;
|
|
|
849 }
|
|
|
850
|
|
|
851 u = r->upstream;
|
|
|
852
|
|
|
853 rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
854
|
|
|
855 if (rc == NGX_AGAIN) {
|
|
|
856 return rc;
|
|
|
857 }
|
|
|
858
|
|
|
859 if (rc == NGX_ERROR) {
|
|
|
860
|
|
|
861 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
862
|
|
|
863 u->process_header = ngx_http_scgi_process_header;
|
|
|
864
|
|
|
865 return ngx_http_scgi_process_header(r);
|
|
|
866 }
|
|
|
867
|
|
|
868 if (u->state) {
|
|
|
869 u->state->status = status->code;
|
|
|
870 }
|
|
|
871
|
|
|
872 u->headers_in.status_n = status->code;
|
|
|
873
|
|
|
874 len = status->end - status->start;
|
|
|
875 u->headers_in.status_line.len = len;
|
|
|
876
|
|
|
877 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
|
878 if (u->headers_in.status_line.data == NULL) {
|
|
|
879 return NGX_ERROR;
|
|
|
880 }
|
|
|
881
|
|
|
882 ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
883
|
|
|
884 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
885 "http scgi status %ui \"%V\"",
|
|
|
886 u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
887
|
|
|
888 u->process_header = ngx_http_scgi_process_header;
|
|
|
889
|
|
|
890 return ngx_http_scgi_process_header(r);
|
|
|
891 }
|
|
|
892
|
|
|
893
|
|
|
894 static ngx_int_t
|
|
|
895 ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
|
896 {
|
|
|
897 ngx_str_t *status_line;
|
|
|
898 ngx_int_t rc, status;
|
|
|
899 ngx_table_elt_t *h;
|
|
|
900 ngx_http_upstream_t *u;
|
|
|
901 ngx_http_upstream_header_t *hh;
|
|
|
902 ngx_http_upstream_main_conf_t *umcf;
|
|
|
903
|
|
|
904 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
905
|
|
|
906 for ( ;; ) {
|
|
|
907
|
|
|
908 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
909
|
|
|
910 if (rc == NGX_OK) {
|
|
|
911
|
|
|
912 /* a header line has been parsed successfully */
|
|
|
913
|
|
|
914 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
915 if (h == NULL) {
|
|
|
916 return NGX_ERROR;
|
|
|
917 }
|
|
|
918
|
|
|
919 h->hash = r->header_hash;
|
|
|
920
|
|
|
921 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
922 h->value.len = r->header_end - r->header_start;
|
|
|
923
|
|
|
924 h->key.data = ngx_pnalloc(r->pool,
|
|
|
925 h->key.len + 1 + h->value.len + 1
|
|
|
926 + h->key.len);
|
|
|
927 if (h->key.data == NULL) {
|
|
|
928 return NGX_ERROR;
|
|
|
929 }
|
|
|
930
|
|
|
931 h->value.data = h->key.data + h->key.len + 1;
|
|
|
932 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
|
933
|
|
|
934 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
935 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
936
|
|
|
937 if (h->key.len == r->lowcase_index) {
|
|
|
938 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
939
|
|
|
940 } else {
|
|
|
941 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
|
942 }
|
|
|
943
|
|
|
944 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
945 h->lowcase_key, h->key.len);
|
|
|
946
|
|
|
947 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
948 return NGX_ERROR;
|
|
|
949 }
|
|
|
950
|
|
|
951 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
952 "http scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
953
|
|
|
954 continue;
|
|
|
955 }
|
|
|
956
|
|
|
957 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
958
|
|
|
959 /* a whole header has been parsed successfully */
|
|
|
960
|
|
|
961 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
962 "http scgi header done");
|
|
|
963
|
|
|
964 if (r->http_version > NGX_HTTP_VERSION_9) {
|
|
|
965 return NGX_OK;
|
|
|
966 }
|
|
|
967
|
|
|
968 u = r->upstream;
|
|
|
969
|
|
|
970 if (u->headers_in.status) {
|
|
|
971 status_line = &u->headers_in.status->value;
|
|
|
972
|
|
|
973 status = ngx_atoi(status_line->data, 3);
|
|
|
974 if (status == NGX_ERROR) {
|
|
|
975 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
976 "upstream sent invalid status \"%V\"",
|
|
|
977 status_line);
|
|
|
978 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
979 }
|
|
|
980
|
|
|
981 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
982 u->headers_in.status_n = status;
|
|
|
983 u->headers_in.status_line = *status_line;
|
|
|
984
|
|
|
985 } else if (u->headers_in.location) {
|
|
|
986 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
987 u->headers_in.status_n = 302;
|
|
|
988 ngx_str_set(&u->headers_in.status_line,
|
|
|
989 "302 Moved Temporarily");
|
|
|
990
|
|
|
991 } else {
|
|
|
992 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
993 "upstream sent neither valid HTTP/1.0 header "
|
|
|
994 "nor \"Status\" header line");
|
|
|
995 u->headers_in.status_n = 200;
|
|
|
996 ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
|
997 }
|
|
|
998
|
|
|
999 if (u->state) {
|
|
|
1000 u->state->status = u->headers_in.status_n;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 return NGX_OK;
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 if (rc == NGX_AGAIN) {
|
|
|
1007 return NGX_AGAIN;
|
|
|
1008 }
|
|
|
1009
|
|
|
1010 /* there was error while a header line parsing */
|
|
|
1011
|
|
|
1012 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1013 "upstream sent invalid header");
|
|
|
1014
|
|
|
1015 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1016 }
|
|
|
1017 }
|
|
|
1018
|
|
|
1019
|
|
|
1020 static void
|
|
|
1021 ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
|
1022 {
|
|
|
1023 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1024 "abort http scgi request");
|
|
|
1025
|
|
|
1026 return;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029
|
|
|
1030 static void
|
|
|
1031 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
1032 {
|
|
|
1033 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1034 "finalize http scgi request");
|
|
|
1035
|
|
|
1036 return;
|
|
|
1037 }
|
|
|
1038
|
|
|
1039
|
|
|
1040 static void *
|
|
|
1041 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
|
1042 {
|
|
|
1043 ngx_http_scgi_loc_conf_t *conf;
|
|
|
1044
|
|
|
1045 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
|
1046 if (conf == NULL) {
|
|
|
1047 return NULL;
|
|
|
1048 }
|
|
|
1049
|
|
|
1050 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1051 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
|
1052 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1053 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
1054
|
|
|
1055 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1056 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1057 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1058
|
|
|
1059 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1060 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1061
|
|
|
1062 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1063 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1064 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1065
|
|
|
1066 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1067 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1068
|
|
|
1069 #if (NGX_HTTP_CACHE)
|
|
|
1070 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1071 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
1072 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
|
1073 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
580
|
1074 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1075 #endif
|
|
|
1076
|
|
|
1077 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1078 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1079
|
|
|
1080 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
1081
|
|
|
1082 /* "scgi_cyclic_temp_file" is disabled */
|
|
|
1083 conf->upstream.cyclic_temp_file = 0;
|
|
|
1084
|
|
642
|
1085 conf->upstream.change_buffering = 1;
|
|
|
1086
|
|
632
|
1087 ngx_str_set(&conf->upstream.module, "scgi");
|
|
|
1088
|
|
580
|
1089 return conf;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092
|
|
|
1093 static char *
|
|
|
1094 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1095 {
|
|
|
1096 ngx_http_scgi_loc_conf_t *prev = parent;
|
|
|
1097 ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
1098
|
|
|
1099 size_t size;
|
|
|
1100 ngx_hash_init_t hash;
|
|
592
|
1101 ngx_http_core_loc_conf_t *clcf;
|
|
580
|
1102
|
|
|
1103 if (conf->upstream.store != 0) {
|
|
|
1104 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
1105
|
|
|
1106 if (conf->upstream.store_lengths == NULL) {
|
|
|
1107 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1108 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1109 }
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1113 prev->upstream.store_access, 0600);
|
|
|
1114
|
|
|
1115 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1116 prev->upstream.buffering, 1);
|
|
|
1117
|
|
|
1118 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1119 prev->upstream.ignore_client_abort, 0);
|
|
|
1120
|
|
|
1121 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1122 prev->upstream.connect_timeout, 60000);
|
|
|
1123
|
|
|
1124 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1125 prev->upstream.send_timeout, 60000);
|
|
|
1126
|
|
|
1127 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1128 prev->upstream.read_timeout, 60000);
|
|
|
1129
|
|
|
1130 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1131 prev->upstream.send_lowat, 0);
|
|
|
1132
|
|
|
1133 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1134 prev->upstream.buffer_size,
|
|
|
1135 (size_t) ngx_pagesize);
|
|
|
1136
|
|
|
1137
|
|
|
1138 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1139 8, ngx_pagesize);
|
|
|
1140
|
|
|
1141 if (conf->upstream.bufs.num < 2) {
|
|
|
1142 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1143 "there must be at least 2 \"scgi_buffers\"");
|
|
|
1144 return NGX_CONF_ERROR;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147
|
|
|
1148 size = conf->upstream.buffer_size;
|
|
|
1149 if (size < conf->upstream.bufs.size) {
|
|
|
1150 size = conf->upstream.bufs.size;
|
|
|
1151 }
|
|
|
1152
|
|
|
1153
|
|
|
1154 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1155 prev->upstream.busy_buffers_size_conf,
|
|
|
1156 NGX_CONF_UNSET_SIZE);
|
|
|
1157
|
|
|
1158 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1159 conf->upstream.busy_buffers_size = 2 * size;
|
|
|
1160 } else {
|
|
|
1161 conf->upstream.busy_buffers_size =
|
|
|
1162 conf->upstream.busy_buffers_size_conf;
|
|
|
1163 }
|
|
|
1164
|
|
|
1165 if (conf->upstream.busy_buffers_size < size) {
|
|
|
1166 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1167 "\"scgi_busy_buffers_size\" must be equal or bigger "
|
|
|
1168 "than maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1169 "one of the \"scgi_buffers\"");
|
|
|
1170
|
|
|
1171 return NGX_CONF_ERROR;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 if (conf->upstream.busy_buffers_size
|
|
|
1175 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
|
1176 {
|
|
|
1177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1178 "\"scgi_busy_buffers_size\" must be less than "
|
|
|
1179 "the size of all \"scgi_buffers\" minus one buffer");
|
|
|
1180
|
|
|
1181 return NGX_CONF_ERROR;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184
|
|
|
1185 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1186 prev->upstream.temp_file_write_size_conf,
|
|
|
1187 NGX_CONF_UNSET_SIZE);
|
|
|
1188
|
|
|
1189 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1190 conf->upstream.temp_file_write_size = 2 * size;
|
|
|
1191 } else {
|
|
|
1192 conf->upstream.temp_file_write_size =
|
|
|
1193 conf->upstream.temp_file_write_size_conf;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 if (conf->upstream.temp_file_write_size < size) {
|
|
|
1197 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1198 "\"scgi_temp_file_write_size\" must be equal or bigger than "
|
|
|
1199 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1200 "one of the \"scgi_buffers\"");
|
|
|
1201
|
|
|
1202 return NGX_CONF_ERROR;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205
|
|
|
1206 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1207 prev->upstream.max_temp_file_size_conf,
|
|
|
1208 NGX_CONF_UNSET_SIZE);
|
|
|
1209
|
|
|
1210 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1211 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
|
1212 } else {
|
|
|
1213 conf->upstream.max_temp_file_size =
|
|
|
1214 conf->upstream.max_temp_file_size_conf;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 if (conf->upstream.max_temp_file_size != 0
|
|
|
1218 && conf->upstream.max_temp_file_size < size) {
|
|
|
1219 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1220 "\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1221 "the temporary files usage or must be equal or bigger than "
|
|
|
1222 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1223 "one of the \"scgi_buffers\"");
|
|
|
1224
|
|
|
1225 return NGX_CONF_ERROR;
|
|
|
1226 }
|
|
|
1227
|
|
|
1228
|
|
|
1229 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1230 prev->upstream.ignore_headers,
|
|
|
1231 NGX_CONF_BITMASK_SET);
|
|
|
1232
|
|
|
1233
|
|
|
1234 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1235 prev->upstream.next_upstream,
|
|
|
1236 (NGX_CONF_BITMASK_SET
|
|
|
1237 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1238 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1239
|
|
|
1240 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1241 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1242 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1243 }
|
|
|
1244
|
|
|
1245 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
|
1246 prev->upstream.temp_path,
|
|
|
1247 &ngx_http_scgi_temp_path)
|
|
|
1248 != NGX_OK)
|
|
|
1249 {
|
|
|
1250 return NGX_CONF_ERROR;
|
|
|
1251 }
|
|
|
1252
|
|
|
1253 #if (NGX_HTTP_CACHE)
|
|
|
1254
|
|
|
1255 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1256 prev->upstream.cache, NULL);
|
|
|
1257
|
|
|
1258 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1259 ngx_shm_zone_t *shm_zone;
|
|
|
1260
|
|
|
1261 shm_zone = conf->upstream.cache;
|
|
|
1262
|
|
|
1263 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1264 "\"scgi_cache\" zone \"%V\" is unknown",
|
|
|
1265 &shm_zone->shm.name);
|
|
|
1266
|
|
|
1267 return NGX_CONF_ERROR;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1271 prev->upstream.cache_min_uses, 1);
|
|
|
1272
|
|
|
1273 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1274 prev->upstream.cache_use_stale,
|
|
|
1275 (NGX_CONF_BITMASK_SET
|
|
|
1276 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1277
|
|
|
1278 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1279 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1280 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 if (conf->upstream.cache_methods == 0) {
|
|
|
1284 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1288
|
|
588
|
1289 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
1290 prev->upstream.cache_bypass, NULL);
|
|
|
1291
|
|
580
|
1292 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1293 prev->upstream.no_cache, NULL);
|
|
|
1294
|
|
|
1295 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1296 prev->upstream.cache_valid, NULL);
|
|
|
1297
|
|
|
1298 if (conf->cache_key.value.data == NULL) {
|
|
|
1299 conf->cache_key = prev->cache_key;
|
|
|
1300 }
|
|
|
1301
|
|
|
1302 #endif
|
|
|
1303
|
|
|
1304 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1305 prev->upstream.pass_request_headers, 1);
|
|
|
1306 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1307 prev->upstream.pass_request_body, 1);
|
|
|
1308
|
|
|
1309 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1310 prev->upstream.intercept_errors, 0);
|
|
|
1311
|
|
|
1312 hash.max_size = 512;
|
|
|
1313 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
|
1314 hash.name = "scgi_hide_headers_hash";
|
|
|
1315
|
|
|
1316 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
1317 &prev->upstream, ngx_http_scgi_hide_headers, &hash)
|
|
580
|
1318 != NGX_OK)
|
|
|
1319 {
|
|
|
1320 return NGX_CONF_ERROR;
|
|
|
1321 }
|
|
|
1322
|
|
|
1323 if (conf->upstream.upstream == NULL) {
|
|
|
1324 conf->upstream.upstream = prev->upstream.upstream;
|
|
|
1325 }
|
|
|
1326
|
|
|
1327 if (conf->scgi_lengths == NULL) {
|
|
|
1328 conf->scgi_lengths = prev->scgi_lengths;
|
|
|
1329 conf->scgi_values = prev->scgi_values;
|
|
|
1330 }
|
|
|
1331
|
|
592
|
1332 if (conf->upstream.upstream || conf->scgi_lengths) {
|
|
|
1333 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1334 if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
|
1335 clcf->handler = ngx_http_scgi_handler;
|
|
|
1336 }
|
|
|
1337 }
|
|
|
1338
|
|
648
|
1339 if (ngx_http_scgi_merge_params(cf, conf, prev) != NGX_OK) {
|
|
|
1340 return NGX_CONF_ERROR;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 return NGX_CONF_OK;
|
|
|
1344 }
|
|
|
1345
|
|
580
|
1346
|
|
648
|
1347 static ngx_int_t
|
|
|
1348 ngx_http_scgi_merge_params(ngx_conf_t *cf, ngx_http_scgi_loc_conf_t *conf,
|
|
|
1349 ngx_http_scgi_loc_conf_t *prev)
|
|
|
1350 {
|
|
|
1351 u_char *p;
|
|
|
1352 size_t size;
|
|
|
1353 uintptr_t *code;
|
|
|
1354 ngx_uint_t i, nsrc;
|
|
|
1355 ngx_array_t headers_names;
|
|
580
|
1356 #if (NGX_HTTP_CACHE)
|
|
648
|
1357 ngx_array_t params_merged;
|
|
|
1358 #endif
|
|
|
1359 ngx_hash_key_t *hk;
|
|
|
1360 ngx_hash_init_t hash;
|
|
654
|
1361 ngx_http_upstream_param_t *src;
|
|
648
|
1362 ngx_http_script_compile_t sc;
|
|
|
1363 ngx_http_script_copy_code_t *copy;
|
|
580
|
1364
|
|
648
|
1365 if (conf->params_source == NULL) {
|
|
|
1366 conf->params_source = prev->params_source;
|
|
580
|
1367
|
|
648
|
1368 if (prev->headers_hash.buckets
|
|
|
1369 #if (NGX_HTTP_CACHE)
|
|
|
1370 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
1371 #endif
|
|
|
1372 )
|
|
|
1373 {
|
|
|
1374 conf->flushes = prev->flushes;
|
|
|
1375 conf->params_len = prev->params_len;
|
|
|
1376 conf->params = prev->params;
|
|
|
1377 conf->headers_hash = prev->headers_hash;
|
|
|
1378 conf->header_params = prev->header_params;
|
|
|
1379
|
|
|
1380 return NGX_OK;
|
|
580
|
1381 }
|
|
648
|
1382 }
|
|
580
|
1383
|
|
648
|
1384 if (conf->params_source == NULL
|
|
|
1385 #if (NGX_HTTP_CACHE)
|
|
|
1386 && (conf->upstream.cache == NULL)
|
|
580
|
1387 #endif
|
|
648
|
1388 )
|
|
|
1389 {
|
|
|
1390 conf->headers_hash.buckets = (void *) 1;
|
|
|
1391 return NGX_OK;
|
|
580
|
1392 }
|
|
|
1393
|
|
|
1394 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1395 if (conf->params_len == NULL) {
|
|
648
|
1396 return NGX_ERROR;
|
|
580
|
1397 }
|
|
|
1398
|
|
|
1399 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
|
1400 if (conf->params == NULL) {
|
|
648
|
1401 return NGX_ERROR;
|
|
580
|
1402 }
|
|
|
1403
|
|
|
1404 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1405 != NGX_OK)
|
|
|
1406 {
|
|
648
|
1407 return NGX_ERROR;
|
|
580
|
1408 }
|
|
|
1409
|
|
648
|
1410 if (conf->params_source) {
|
|
|
1411 src = conf->params_source->elts;
|
|
|
1412 nsrc = conf->params_source->nelts;
|
|
|
1413
|
|
|
1414 } else {
|
|
|
1415 src = NULL;
|
|
|
1416 nsrc = 0;
|
|
|
1417 }
|
|
580
|
1418
|
|
|
1419 #if (NGX_HTTP_CACHE)
|
|
|
1420
|
|
|
1421 if (conf->upstream.cache) {
|
|
654
|
1422 ngx_keyval_t *h;
|
|
|
1423 ngx_http_upstream_param_t *s;
|
|
580
|
1424
|
|
654
|
1425 if (ngx_array_init(¶ms_merged, cf->temp_pool, 4,
|
|
|
1426 sizeof(ngx_http_upstream_param_t))
|
|
648
|
1427 != NGX_OK)
|
|
|
1428 {
|
|
|
1429 return NGX_ERROR;
|
|
|
1430 }
|
|
|
1431
|
|
|
1432 for (i = 0; i < nsrc; i++) {
|
|
580
|
1433
|
|
648
|
1434 s = ngx_array_push(¶ms_merged);
|
|
|
1435 if (s == NULL) {
|
|
|
1436 return NGX_ERROR;
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 *s = src[i];
|
|
|
1440 }
|
|
|
1441
|
|
|
1442 h = ngx_http_scgi_cache_headers;
|
|
|
1443
|
|
|
1444 while (h->key.len) {
|
|
|
1445
|
|
|
1446 src = params_merged.elts;
|
|
|
1447 nsrc = params_merged.nelts;
|
|
|
1448
|
|
|
1449 for (i = 0; i < nsrc; i++) {
|
|
580
|
1450 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1451 goto next;
|
|
|
1452 }
|
|
|
1453 }
|
|
|
1454
|
|
648
|
1455 s = ngx_array_push(¶ms_merged);
|
|
580
|
1456 if (s == NULL) {
|
|
648
|
1457 return NGX_ERROR;
|
|
580
|
1458 }
|
|
|
1459
|
|
654
|
1460 s->key = h->key;
|
|
|
1461 s->value = h->value;
|
|
|
1462 s->skip_empty = 0;
|
|
580
|
1463
|
|
|
1464 next:
|
|
|
1465
|
|
|
1466 h++;
|
|
|
1467 }
|
|
648
|
1468
|
|
|
1469 src = params_merged.elts;
|
|
|
1470 nsrc = params_merged.nelts;
|
|
580
|
1471 }
|
|
|
1472
|
|
|
1473 #endif
|
|
|
1474
|
|
648
|
1475 for (i = 0; i < nsrc; i++) {
|
|
580
|
1476
|
|
|
1477 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
|
1478 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
|
1479 {
|
|
|
1480 hk = ngx_array_push(&headers_names);
|
|
|
1481 if (hk == NULL) {
|
|
648
|
1482 return NGX_ERROR;
|
|
580
|
1483 }
|
|
|
1484
|
|
|
1485 hk->key.len = src[i].key.len - 5;
|
|
|
1486 hk->key.data = src[i].key.data + 5;
|
|
|
1487 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
|
1488 hk->value = (void *) 1;
|
|
|
1489
|
|
|
1490 if (src[i].value.len == 0) {
|
|
|
1491 continue;
|
|
|
1492 }
|
|
|
1493 }
|
|
|
1494
|
|
|
1495 copy = ngx_array_push_n(conf->params_len,
|
|
|
1496 sizeof(ngx_http_script_copy_code_t));
|
|
|
1497 if (copy == NULL) {
|
|
648
|
1498 return NGX_ERROR;
|
|
580
|
1499 }
|
|
|
1500
|
|
|
1501 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1502 copy->len = src[i].key.len + 1;
|
|
|
1503
|
|
654
|
1504 copy = ngx_array_push_n(conf->params_len,
|
|
|
1505 sizeof(ngx_http_script_copy_code_t));
|
|
|
1506 if (copy == NULL) {
|
|
|
1507 return NGX_ERROR;
|
|
|
1508 }
|
|
|
1509
|
|
|
1510 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1511 copy->len = src[i].skip_empty;
|
|
|
1512
|
|
580
|
1513
|
|
|
1514 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1515 + src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
|
1516 & ~(sizeof(uintptr_t) - 1);
|
|
|
1517
|
|
|
1518 copy = ngx_array_push_n(conf->params, size);
|
|
|
1519 if (copy == NULL) {
|
|
648
|
1520 return NGX_ERROR;
|
|
580
|
1521 }
|
|
|
1522
|
|
|
1523 copy->code = ngx_http_script_copy_code;
|
|
|
1524 copy->len = src[i].key.len + 1;
|
|
|
1525
|
|
|
1526 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1527 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
1528
|
|
|
1529
|
|
|
1530 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1531
|
|
|
1532 sc.cf = cf;
|
|
|
1533 sc.source = &src[i].value;
|
|
|
1534 sc.flushes = &conf->flushes;
|
|
|
1535 sc.lengths = &conf->params_len;
|
|
|
1536 sc.values = &conf->params;
|
|
|
1537
|
|
|
1538 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
648
|
1539 return NGX_ERROR;
|
|
580
|
1540 }
|
|
|
1541
|
|
|
1542 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1543 if (code == NULL) {
|
|
648
|
1544 return NGX_ERROR;
|
|
580
|
1545 }
|
|
|
1546
|
|
|
1547 *code = (uintptr_t) NULL;
|
|
|
1548
|
|
|
1549
|
|
|
1550 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1551 if (code == NULL) {
|
|
648
|
1552 return NGX_ERROR;
|
|
580
|
1553 }
|
|
|
1554
|
|
|
1555 *code = (uintptr_t) NULL;
|
|
|
1556 }
|
|
|
1557
|
|
|
1558 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1559 if (code == NULL) {
|
|
648
|
1560 return NGX_ERROR;
|
|
580
|
1561 }
|
|
|
1562
|
|
|
1563 *code = (uintptr_t) NULL;
|
|
|
1564
|
|
|
1565 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1566 if (code == NULL) {
|
|
648
|
1567 return NGX_ERROR;
|
|
580
|
1568 }
|
|
|
1569
|
|
|
1570 *code = (uintptr_t) NULL;
|
|
|
1571
|
|
|
1572 conf->header_params = headers_names.nelts;
|
|
|
1573
|
|
|
1574 hash.hash = &conf->headers_hash;
|
|
|
1575 hash.key = ngx_hash_key_lc;
|
|
|
1576 hash.max_size = 512;
|
|
|
1577 hash.bucket_size = 64;
|
|
|
1578 hash.name = "scgi_params_hash";
|
|
|
1579 hash.pool = cf->pool;
|
|
|
1580 hash.temp_pool = NULL;
|
|
|
1581
|
|
648
|
1582 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
|
|
580
|
1583 }
|
|
|
1584
|
|
|
1585
|
|
|
1586 static char *
|
|
|
1587 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1588 {
|
|
|
1589 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1590
|
|
|
1591 ngx_url_t u;
|
|
|
1592 ngx_str_t *value, *url;
|
|
|
1593 ngx_uint_t n;
|
|
|
1594 ngx_http_core_loc_conf_t *clcf;
|
|
|
1595 ngx_http_script_compile_t sc;
|
|
|
1596
|
|
|
1597 if (scf->upstream.upstream || scf->scgi_lengths) {
|
|
|
1598 return "is duplicate";
|
|
|
1599 }
|
|
|
1600
|
|
|
1601 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
|
1602 clcf->handler = ngx_http_scgi_handler;
|
|
|
1603
|
|
|
1604 value = cf->args->elts;
|
|
|
1605
|
|
|
1606 url = &value[1];
|
|
|
1607
|
|
|
1608 n = ngx_http_script_variables_count(url);
|
|
|
1609
|
|
|
1610 if (n) {
|
|
|
1611
|
|
|
1612 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1613
|
|
|
1614 sc.cf = cf;
|
|
|
1615 sc.source = url;
|
|
|
1616 sc.lengths = &scf->scgi_lengths;
|
|
|
1617 sc.values = &scf->scgi_values;
|
|
|
1618 sc.variables = n;
|
|
|
1619 sc.complete_lengths = 1;
|
|
|
1620 sc.complete_values = 1;
|
|
|
1621
|
|
|
1622 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1623 return NGX_CONF_ERROR;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 return NGX_CONF_OK;
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1630
|
|
|
1631 u.url = value[1];
|
|
|
1632 u.no_resolve = 1;
|
|
|
1633
|
|
|
1634 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
1635 if (scf->upstream.upstream == NULL) {
|
|
|
1636 return NGX_CONF_ERROR;
|
|
|
1637 }
|
|
|
1638
|
|
|
1639 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1640 clcf->auto_redirect = 1;
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 return NGX_CONF_OK;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646
|
|
|
1647 static char *
|
|
|
1648 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1649 {
|
|
|
1650 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1651
|
|
|
1652 ngx_str_t *value;
|
|
|
1653 ngx_http_script_compile_t sc;
|
|
|
1654
|
|
|
1655 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
|
|
|
1656 return "is duplicate";
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 value = cf->args->elts;
|
|
|
1660
|
|
|
1661 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1662 scf->upstream.store = 0;
|
|
|
1663 return NGX_CONF_OK;
|
|
|
1664 }
|
|
|
1665
|
|
|
1666 #if (NGX_HTTP_CACHE)
|
|
|
1667
|
|
|
1668 if (scf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
1669 && scf->upstream.cache != NULL)
|
|
|
1670 {
|
|
|
1671 return "is incompatible with \"scgi_cache\"";
|
|
|
1672 }
|
|
|
1673
|
|
|
1674 #endif
|
|
|
1675
|
|
|
1676 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
1677 scf->upstream.store = 1;
|
|
|
1678 return NGX_CONF_OK;
|
|
|
1679 }
|
|
|
1680
|
|
|
1681 /* include the terminating '\0' into script */
|
|
|
1682 value[1].len++;
|
|
|
1683
|
|
|
1684 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1685
|
|
|
1686 sc.cf = cf;
|
|
|
1687 sc.source = &value[1];
|
|
|
1688 sc.lengths = &scf->upstream.store_lengths;
|
|
|
1689 sc.values = &scf->upstream.store_values;
|
|
|
1690 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
1691 sc.complete_lengths = 1;
|
|
|
1692 sc.complete_values = 1;
|
|
|
1693
|
|
|
1694 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1695 return NGX_CONF_ERROR;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698 return NGX_CONF_OK;
|
|
|
1699 }
|
|
|
1700
|
|
|
1701
|
|
|
1702 #if (NGX_HTTP_CACHE)
|
|
|
1703
|
|
|
1704 static char *
|
|
|
1705 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1706 {
|
|
|
1707 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1708
|
|
|
1709 ngx_str_t *value;
|
|
|
1710
|
|
|
1711 value = cf->args->elts;
|
|
|
1712
|
|
|
1713 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
1714 return "is duplicate";
|
|
|
1715 }
|
|
|
1716
|
|
|
1717 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1718 scf->upstream.cache = NULL;
|
|
|
1719 return NGX_CONF_OK;
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
|
1723 return "is incompatible with \"scgi_store\"";
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
1727 &ngx_http_scgi_module);
|
|
|
1728 if (scf->upstream.cache == NULL) {
|
|
|
1729 return NGX_CONF_ERROR;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 return NGX_CONF_OK;
|
|
|
1733 }
|
|
|
1734
|
|
|
1735
|
|
|
1736 static char *
|
|
|
1737 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1738 {
|
|
|
1739 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1740
|
|
|
1741 ngx_str_t *value;
|
|
|
1742 ngx_http_compile_complex_value_t ccv;
|
|
|
1743
|
|
|
1744 value = cf->args->elts;
|
|
|
1745
|
|
|
1746 if (scf->cache_key.value.len) {
|
|
|
1747 return "is duplicate";
|
|
|
1748 }
|
|
|
1749
|
|
|
1750 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
1751
|
|
|
1752 ccv.cf = cf;
|
|
|
1753 ccv.value = &value[1];
|
|
|
1754 ccv.complex_value = &scf->cache_key;
|
|
|
1755
|
|
|
1756 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
1757 return NGX_CONF_ERROR;
|
|
|
1758 }
|
|
|
1759
|
|
|
1760 return NGX_CONF_OK;
|
|
|
1761 }
|
|
|
1762
|
|
|
1763 #endif
|
