148
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <ngx_http_perl_module.h>
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11
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12
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13 typedef struct {
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14 PerlInterpreter *perl;
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258
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15 HV *nginx;
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148
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16 ngx_str_t modules;
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17 ngx_array_t requires;
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18 } ngx_http_perl_main_conf_t;
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19
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20
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21 typedef struct {
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22 SV *sub;
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23 ngx_str_t handler;
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24 } ngx_http_perl_loc_conf_t;
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25
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26
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27 typedef struct {
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28 SV *sub;
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29 ngx_str_t handler;
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30 } ngx_http_perl_variable_t;
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31
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32
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202
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33 typedef struct {
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34 SV *sv;
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35 PerlInterpreter *perl;
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36 } ngx_http_perl_cleanup_t;
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37
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38
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166
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39 #if (NGX_HTTP_SSI)
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148
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40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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42 #endif
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43
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148
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44 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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45 ngx_http_perl_main_conf_t *pmcf);
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278
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46 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf,
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47 ngx_http_perl_main_conf_t *pmcf);
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202
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48 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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49 ngx_log_t *log);
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50 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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366
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51 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv);
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148
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52 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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53
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54 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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55 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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56 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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57 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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58 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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59 void *child);
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60 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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61 void *conf);
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62 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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63 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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258
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64
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65 #if (NGX_HAVE_PERL_MULTIPLICITY)
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148
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66 static void ngx_http_perl_cleanup_perl(void *data);
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198
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67 #endif
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68
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314
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69 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle);
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306
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70 static void ngx_http_perl_exit(ngx_cycle_t *cycle);
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71
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148
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72
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73 static ngx_command_t ngx_http_perl_commands[] = {
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74
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75 { ngx_string("perl_modules"),
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76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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77 ngx_conf_set_str_slot,
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78 NGX_HTTP_MAIN_CONF_OFFSET,
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79 offsetof(ngx_http_perl_main_conf_t, modules),
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80 NULL },
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81
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82 { ngx_string("perl_require"),
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83 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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84 ngx_http_perl_require,
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85 NGX_HTTP_MAIN_CONF_OFFSET,
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86 0,
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87 NULL },
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88
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89 { ngx_string("perl"),
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90 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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91 ngx_http_perl,
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92 NGX_HTTP_LOC_CONF_OFFSET,
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93 0,
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94 NULL },
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95
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96 { ngx_string("perl_set"),
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97 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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98 ngx_http_perl_set,
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99 NGX_HTTP_LOC_CONF_OFFSET,
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100 0,
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101 NULL },
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102
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103 ngx_null_command
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104 };
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105
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106
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107 static ngx_http_module_t ngx_http_perl_module_ctx = {
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108 ngx_http_perl_preconfiguration, /* preconfiguration */
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109 NULL, /* postconfiguration */
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110
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111 ngx_http_perl_create_main_conf, /* create main configuration */
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112 ngx_http_perl_init_main_conf, /* init main configuration */
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113
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114 NULL, /* create server configuration */
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115 NULL, /* merge server configuration */
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116
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117 ngx_http_perl_create_loc_conf, /* create location configuration */
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118 ngx_http_perl_merge_loc_conf /* merge location configuration */
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119 };
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120
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121
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122 ngx_module_t ngx_http_perl_module = {
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123 NGX_MODULE_V1,
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124 &ngx_http_perl_module_ctx, /* module context */
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125 ngx_http_perl_commands, /* module directives */
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126 NGX_HTTP_MODULE, /* module type */
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127 NULL, /* init master */
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128 NULL, /* init module */
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314
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129 ngx_http_perl_init_worker, /* init process */
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130 NULL, /* init thread */
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131 NULL, /* exit thread */
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132 NULL, /* exit process */
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133 ngx_http_perl_exit, /* exit master */
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134 NGX_MODULE_V1_PADDING
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135 };
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136
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137
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166
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138 #if (NGX_HTTP_SSI)
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139
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148
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140 #define NGX_HTTP_PERL_SSI_SUB 0
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141 #define NGX_HTTP_PERL_SSI_ARG 1
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142
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143
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144 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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145 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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146 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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147 { ngx_null_string, 0, 0, 0 }
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148 };
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149
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150 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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151 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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152 };
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153
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166
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154 #endif
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155
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148
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156
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230
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157 static ngx_str_t ngx_null_name = ngx_null_string;
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158
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159
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182
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160 static HV *nginx_stash;
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161
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148
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162 static void
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163 ngx_http_perl_xs_init(pTHX)
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164 {
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165 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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166
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167 nginx_stash = gv_stashpv("nginx", TRUE);
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168 }
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169
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170
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171 static ngx_int_t
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172 ngx_http_perl_handler(ngx_http_request_t *r)
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173 {
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178
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174 /* TODO: Win32 */
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175 if (r->zero_in_uri) {
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176 return NGX_HTTP_NOT_FOUND;
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177 }
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178
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230
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179 ngx_http_perl_handle_request(r);
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180
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181 return NGX_DONE;
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178
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182 }
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183
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184
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230
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185 void
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178
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186 ngx_http_perl_handle_request(ngx_http_request_t *r)
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187 {
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230
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188 SV *sub;
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189 ngx_int_t rc;
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230
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190 ngx_str_t uri, args, *handler;
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191 ngx_http_perl_ctx_t *ctx;
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192 ngx_http_perl_loc_conf_t *plcf;
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193 ngx_http_perl_main_conf_t *pmcf;
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194
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195 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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196
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197 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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198
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199 if (ctx == NULL) {
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200 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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201 if (ctx == NULL) {
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230
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202 ngx_http_finalize_request(r, NGX_ERROR);
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274
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203 return;
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204 }
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205
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206 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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207 }
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208
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209 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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210
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211 {
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212
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213 dTHXa(pmcf->perl);
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214 PERL_SET_CONTEXT(pmcf->perl);
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215
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230
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216 if (ctx->next == NULL) {
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217 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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218 sub = plcf->sub;
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219 handler = &plcf->handler;
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220
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230
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221 } else {
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222 sub = ctx->next;
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223 handler = &ngx_null_name;
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224 ctx->next = NULL;
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225 }
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226
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227 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler,
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228 NULL);
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229
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230 }
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231
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356
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232 if (rc == NGX_DONE) {
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233 return;
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234 }
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235
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236 if (rc > 600) {
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237 rc = NGX_OK;
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238 }
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239
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240 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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241 "perl handler done: %i", rc);
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242
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243 if (ctx->redirect_uri.len) {
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244 uri = ctx->redirect_uri;
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245 args = ctx->redirect_args;
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178
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246
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247 } else {
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248 uri.len = 0;
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249 }
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250
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182
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251 ctx->filename.data = NULL;
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252 ctx->redirect_uri.len = 0;
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253
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230
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254 if (ctx->done || ctx->next) {
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255 return;
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256 }
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257
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148
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258 if (uri.len) {
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178
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259 ngx_http_internal_redirect(r, &uri, &args);
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260 return;
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148
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261 }
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262
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263 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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264 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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265 ctx->done = 1;
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148
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266 }
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267
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178
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268 ngx_http_finalize_request(r, rc);
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269 }
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270
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271
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366
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272 void
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266
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273 ngx_http_perl_sleep_handler(ngx_http_request_t *r)
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274 {
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275 ngx_event_t *wev;
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276
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277 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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278 "perl sleep handler");
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279
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280 wev = r->connection->write;
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281
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282 if (wev->timedout) {
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283 wev->timedout = 0;
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284 ngx_http_perl_handle_request(r);
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285 return;
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286 }
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287
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288 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) {
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289 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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290 }
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291 }
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292
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293
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148
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294 static ngx_int_t
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295 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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296 uintptr_t data)
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297 {
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298 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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299
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300 ngx_int_t rc;
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301 ngx_str_t value;
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302 ngx_http_perl_ctx_t *ctx;
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303 ngx_http_perl_main_conf_t *pmcf;
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304
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305 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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306 "perl variable handler");
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307
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308 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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309
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310 if (ctx == NULL) {
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311 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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312 if (ctx == NULL) {
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313 return NGX_ERROR;
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314 }
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315
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316 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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317 }
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318
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319 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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320
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321 value.data = NULL;
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322
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323 {
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324
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258
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325 dTHXa(pmcf->perl);
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326 PERL_SET_CONTEXT(pmcf->perl);
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327
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258
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328 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL,
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148
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329 &pv->handler, &value);
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330
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331 }
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332
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333 if (value.data) {
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334 v->len = value.len;
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335 v->valid = 1;
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340
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336 v->no_cacheable = 0;
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337 v->not_found = 0;
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338 v->data = value.data;
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339
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340 } else {
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341 v->not_found = 1;
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342 }
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343
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182
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344 ctx->filename.data = NULL;
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148
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345 ctx->redirect_uri.len = 0;
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346
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258
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347 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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348 "perl variable done");
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349
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148
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350 return rc;
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351 }
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352
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353
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166
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354 #if (NGX_HTTP_SSI)
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355
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148
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356 static ngx_int_t
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357 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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358 ngx_str_t **params)
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359 {
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366
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360 SV *sv, **asv;
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148
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361 ngx_int_t rc;
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366
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362 ngx_str_t *handler, **args;
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363 ngx_uint_t i;
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148
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364 ngx_http_perl_ctx_t *ctx;
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365 ngx_http_perl_main_conf_t *pmcf;
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366
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367 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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368 "perl ssi handler");
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369
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370 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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371
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372 if (ctx == NULL) {
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373 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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374 if (ctx == NULL) {
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375 return NGX_ERROR;
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376 }
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377
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378 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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379 }
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380
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258
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381 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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148
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382
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383 ctx->ssi = ssi_ctx;
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384
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385 handler = params[NGX_HTTP_PERL_SSI_SUB];
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386 handler->data[handler->len] = '\0';
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387
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388 {
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389
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258
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390 dTHXa(pmcf->perl);
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391 PERL_SET_CONTEXT(pmcf->perl);
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148
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392
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200
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393 #if 0
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394
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395 /* the code is disabled to force the precompiled perl code using only */
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396
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397 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
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398
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399 if (sv == &PL_sv_undef) {
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400 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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401 "eval_pv(\"%V\") failed", handler);
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402 return NGX_ERROR;
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403 }
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404
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405 if (sv == NULL) {
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406 sv = newSVpvn((char *) handler->data, handler->len);
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407 }
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408
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409 #endif
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410
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148
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411 sv = newSVpvn((char *) handler->data, handler->len);
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412
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366
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413 args = ¶ms[NGX_HTTP_PERL_SSI_ARG];
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414
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415 if (args) {
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416
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417 for (i = 0; args[i]; i++) { /* void */ }
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418
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419 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *));
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420
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421 if (asv == NULL) {
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422 SvREFCNT_dec(sv);
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423 return NGX_ERROR;
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424 }
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425
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426 asv[0] = (SV *) i;
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427
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428 for (i = 0; args[i]; i++) {
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429 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len);
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430 }
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431
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432 } else {
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433 asv = NULL;
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434 }
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435
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436 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler,
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437 NULL);
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148
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438
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439 SvREFCNT_dec(sv);
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440
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441 }
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442
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182
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443 ctx->filename.data = NULL;
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148
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444 ctx->redirect_uri.len = 0;
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445 ctx->ssi = NULL;
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446
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258
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447 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done");
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448
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148
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449 return rc;
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450 }
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451
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166
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452 #endif
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453
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148
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454
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455 static char *
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456 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
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457 {
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258
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458 #if (NGX_HAVE_PERL_MULTIPLICITY)
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202
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459 ngx_pool_cleanup_t *cln;
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148
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460
|
|
461 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
462 if (cln == NULL) {
|
|
463 return NGX_CONF_ERROR;
|
|
464 }
|
|
465
|
198
|
466 #else
|
|
467 static PerlInterpreter *perl;
|
|
468 #endif
|
|
469
|
148
|
470 #ifdef NGX_PERL_MODULES
|
|
471 if (pmcf->modules.data == NULL) {
|
|
472 pmcf->modules.data = NGX_PERL_MODULES;
|
|
473 }
|
|
474 #endif
|
|
475
|
188
|
476 if (pmcf->modules.data) {
|
324
|
477 if (ngx_conf_full_name(cf->cycle, &pmcf->modules, 0) != NGX_OK) {
|
188
|
478 return NGX_CONF_ERROR;
|
|
479 }
|
178
|
480 }
|
|
481
|
258
|
482 #if !(NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
483
|
|
484 if (perl) {
|
296
|
485
|
|
486 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
487 return NGX_CONF_ERROR;
|
|
488 }
|
|
489
|
202
|
490 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log)
|
|
491 != NGX_OK)
|
|
492 {
|
198
|
493 return NGX_CONF_ERROR;
|
|
494 }
|
|
495
|
|
496 pmcf->perl = perl;
|
296
|
497 pmcf->nginx = nginx_stash;
|
198
|
498
|
|
499 return NGX_CONF_OK;
|
|
500 }
|
|
501
|
|
502 #endif
|
|
503
|
306
|
504 if (nginx_stash == NULL) {
|
|
505 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
506 }
|
148
|
507
|
278
|
508 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf);
|
148
|
509
|
|
510 if (pmcf->perl == NULL) {
|
|
511 return NGX_CONF_ERROR;
|
|
512 }
|
|
513
|
258
|
514 pmcf->nginx = nginx_stash;
|
|
515
|
|
516 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
517
|
148
|
518 cln->handler = ngx_http_perl_cleanup_perl;
|
|
519 cln->data = pmcf->perl;
|
|
520
|
198
|
521 #else
|
|
522
|
|
523 perl = pmcf->perl;
|
|
524
|
|
525 #endif
|
|
526
|
148
|
527 return NGX_CONF_OK;
|
|
528 }
|
|
529
|
|
530
|
|
531 static PerlInterpreter *
|
278
|
532 ngx_http_perl_create_interpreter(ngx_conf_t *cf,
|
|
533 ngx_http_perl_main_conf_t *pmcf)
|
148
|
534 {
|
|
535 int n;
|
248
|
536 STRLEN len;
|
|
537 SV *sv;
|
|
538 char *ver, *embedding[6];
|
148
|
539 PerlInterpreter *perl;
|
|
540
|
278
|
541 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter");
|
|
542
|
|
543 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
544 return NULL;
|
|
545 }
|
148
|
546
|
|
547 perl = perl_alloc();
|
|
548 if (perl == NULL) {
|
278
|
549 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed");
|
148
|
550 return NULL;
|
|
551 }
|
|
552
|
|
553 {
|
|
554
|
|
555 dTHXa(perl);
|
258
|
556 PERL_SET_CONTEXT(perl);
|
|
557
|
|
558 perl_construct(perl);
|
148
|
559
|
|
560 #ifdef PERL_EXIT_DESTRUCT_END
|
|
561 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
562 #endif
|
|
563
|
|
564 embedding[0] = "";
|
|
565
|
|
566 if (pmcf->modules.data) {
|
|
567 embedding[1] = "-I";
|
|
568 embedding[2] = (char *) pmcf->modules.data;
|
|
569 n = 3;
|
|
570
|
|
571 } else {
|
|
572 n = 1;
|
|
573 }
|
|
574
|
|
575 embedding[n++] = "-Mnginx";
|
|
576 embedding[n++] = "-e";
|
|
577 embedding[n++] = "0";
|
|
578
|
|
579 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
580
|
|
581 if (n != 0) {
|
278
|
582 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n);
|
148
|
583 goto fail;
|
|
584 }
|
|
585
|
248
|
586 sv = get_sv("nginx::VERSION", FALSE);
|
|
587 ver = SvPV(sv, len);
|
|
588
|
|
589 if (ngx_strcmp(ver, NGINX_VERSION) != 0) {
|
278
|
590 ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
|
248
|
591 "version " NGINX_VERSION " of nginx.pm is required, "
|
|
592 "but %s was found", ver);
|
|
593 goto fail;
|
|
594 }
|
|
595
|
278
|
596 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log) != NGX_OK) {
|
198
|
597 goto fail;
|
148
|
598 }
|
|
599
|
|
600 }
|
|
601
|
|
602 return perl;
|
|
603
|
|
604 fail:
|
|
605
|
|
606 (void) perl_destruct(perl);
|
|
607
|
|
608 perl_free(perl);
|
|
609
|
|
610 return NULL;
|
|
611 }
|
|
612
|
|
613
|
198
|
614 static ngx_int_t
|
202
|
615 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
198
|
616 {
|
|
617 char **script;
|
|
618 STRLEN len;
|
|
619 ngx_str_t err;
|
|
620 ngx_uint_t i;
|
|
621
|
|
622 script = requires->elts;
|
|
623 for (i = 0; i < requires->nelts; i++) {
|
|
624
|
|
625 require_pv(script[i]);
|
|
626
|
|
627 if (SvTRUE(ERRSV)) {
|
|
628
|
|
629 err.data = (u_char *) SvPV(ERRSV, len);
|
|
630 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
631 /* void */
|
|
632 }
|
|
633 err.len = len + 1;
|
|
634
|
|
635 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
636 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
637
|
|
638 return NGX_ERROR;
|
|
639 }
|
|
640 }
|
|
641
|
|
642 return NGX_OK;
|
|
643 }
|
|
644
|
|
645
|
148
|
646 static ngx_int_t
|
258
|
647 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub,
|
366
|
648 SV **args, ngx_str_t *handler, ngx_str_t *rv)
|
148
|
649 {
|
356
|
650 SV *sv;
|
|
651 int n, status;
|
|
652 char *line;
|
|
653 STRLEN len, n_a;
|
|
654 ngx_str_t err;
|
|
655 ngx_uint_t i;
|
|
656 ngx_connection_t *c;
|
148
|
657
|
|
658 dSP;
|
|
659
|
|
660 status = 0;
|
|
661
|
|
662 ENTER;
|
|
663 SAVETMPS;
|
|
664
|
|
665 PUSHMARK(sp);
|
|
666
|
258
|
667 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx));
|
148
|
668 XPUSHs(sv);
|
|
669
|
|
670 if (args) {
|
370
|
671 EXTEND(sp, (intptr_t) args[0]);
|
148
|
672
|
366
|
673 for (i = 1; i <= (ngx_uint_t) args[0]; i++) {
|
|
674 PUSHs(sv_2mortal(args[i]));
|
148
|
675 }
|
|
676 }
|
|
677
|
|
678 PUTBACK;
|
|
679
|
356
|
680 c = r->connection;
|
|
681
|
148
|
682 n = call_sv(sub, G_EVAL);
|
|
683
|
|
684 SPAGAIN;
|
|
685
|
356
|
686 if (c->destroyed) {
|
|
687 PUTBACK;
|
|
688
|
|
689 FREETMPS;
|
|
690 LEAVE;
|
|
691
|
|
692 return NGX_DONE;
|
|
693 }
|
|
694
|
148
|
695 if (n) {
|
|
696 if (rv == NULL) {
|
|
697 status = POPi;
|
|
698
|
356
|
699 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
148
|
700 "call_sv: %d", status);
|
|
701
|
|
702 } else {
|
168
|
703 line = SvPVx(POPs, n_a);
|
148
|
704 rv->len = n_a;
|
|
705
|
382
|
706 rv->data = ngx_pnalloc(r->pool, n_a);
|
148
|
707 if (rv->data == NULL) {
|
|
708 return NGX_ERROR;
|
|
709 }
|
|
710
|
|
711 ngx_memcpy(rv->data, line, n_a);
|
|
712 }
|
|
713 }
|
|
714
|
|
715 PUTBACK;
|
|
716
|
|
717 FREETMPS;
|
|
718 LEAVE;
|
|
719
|
|
720 /* check $@ */
|
|
721
|
|
722 if (SvTRUE(ERRSV)) {
|
|
723
|
|
724 err.data = (u_char *) SvPV(ERRSV, len);
|
|
725 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
726 /* void */
|
|
727 }
|
|
728 err.len = len + 1;
|
|
729
|
356
|
730 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
731 "call_sv(\"%V\") failed: \"%V\"", handler, &err);
|
148
|
732
|
|
733 if (rv) {
|
|
734 return NGX_ERROR;
|
|
735 }
|
|
736
|
|
737 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
738 }
|
|
739
|
|
740 if (n != 1) {
|
356
|
741 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
148
|
742 "call_sv(\"%V\") returned %d results", handler, n);
|
|
743 status = NGX_OK;
|
|
744 }
|
|
745
|
|
746 if (rv) {
|
|
747 return NGX_OK;
|
|
748 }
|
|
749
|
|
750 return (ngx_int_t) status;
|
|
751 }
|
|
752
|
|
753
|
|
754 static void
|
|
755 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
756 {
|
172
|
757 u_char *p;
|
|
758
|
|
759 for (p = handler->data; *p; p++) {
|
|
760 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
761 break;
|
|
762 }
|
|
763 }
|
|
764
|
198
|
765 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) {
|
172
|
766 *sv = eval_pv((char *) p, FALSE);
|
258
|
767
|
|
768 /* eval_pv() does not set ERRSV on failure */
|
|
769
|
148
|
770 return;
|
|
771 }
|
|
772
|
|
773 *sv = NULL;
|
|
774 }
|
|
775
|
|
776
|
|
777 static void *
|
|
778 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
779 {
|
|
780 ngx_http_perl_main_conf_t *pmcf;
|
|
781
|
|
782 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
783 if (pmcf == NULL) {
|
|
784 return NGX_CONF_ERROR;
|
|
785 }
|
|
786
|
|
787 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
788 != NGX_OK)
|
|
789 {
|
|
790 return NULL;
|
|
791 }
|
|
792
|
|
793 return pmcf;
|
|
794 }
|
|
795
|
|
796
|
|
797 static char *
|
|
798 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
799 {
|
|
800 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
801
|
|
802 if (pmcf->perl == NULL) {
|
|
803 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
804 return NGX_CONF_ERROR;
|
|
805 }
|
|
806 }
|
|
807
|
|
808 return NGX_CONF_OK;
|
|
809 }
|
|
810
|
|
811
|
258
|
812 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
813
|
148
|
814 static void
|
|
815 ngx_http_perl_cleanup_perl(void *data)
|
|
816 {
|
198
|
817 PerlInterpreter *perl = data;
|
148
|
818
|
258
|
819 PERL_SET_CONTEXT(perl);
|
|
820
|
148
|
821 (void) perl_destruct(perl);
|
|
822
|
|
823 perl_free(perl);
|
|
824 }
|
|
825
|
198
|
826 #endif
|
|
827
|
|
828
|
148
|
829 static ngx_int_t
|
|
830 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
831 {
|
166
|
832 #if (NGX_HTTP_SSI)
|
148
|
833 ngx_int_t rc;
|
|
834 ngx_http_ssi_main_conf_t *smcf;
|
|
835
|
|
836 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
837
|
|
838 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
839 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
840
|
|
841 if (rc != NGX_OK) {
|
|
842 if (rc == NGX_BUSY) {
|
|
843 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
844 "conflicting SSI command \"%V\"",
|
|
845 &ngx_http_perl_ssi_command.name);
|
|
846 }
|
|
847
|
|
848 return NGX_ERROR;
|
|
849 }
|
166
|
850 #endif
|
148
|
851
|
|
852 return NGX_OK;
|
|
853 }
|
|
854
|
|
855
|
|
856 static void *
|
|
857 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
858 {
|
|
859 ngx_http_perl_loc_conf_t *plcf;
|
|
860
|
|
861 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
862 if (plcf == NULL) {
|
|
863 return NGX_CONF_ERROR;
|
|
864 }
|
|
865
|
|
866 /*
|
|
867 * set by ngx_pcalloc():
|
|
868 *
|
|
869 * plcf->handler = { 0, NULL };
|
|
870 */
|
|
871
|
|
872 return plcf;
|
|
873 }
|
|
874
|
|
875
|
|
876 static char *
|
|
877 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
878 {
|
|
879 ngx_http_perl_loc_conf_t *prev = parent;
|
|
880 ngx_http_perl_loc_conf_t *conf = child;
|
|
881
|
|
882 if (conf->sub == NULL) {
|
|
883 conf->sub = prev->sub;
|
|
884 conf->handler = prev->handler;
|
|
885 }
|
|
886
|
|
887 return NGX_CONF_OK;
|
|
888 }
|
|
889
|
|
890
|
|
891 static char *
|
|
892 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
893 {
|
|
894 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
895
|
|
896 u_char **p;
|
|
897 ngx_str_t *value;
|
|
898
|
|
899 value = cf->args->elts;
|
|
900
|
|
901 p = ngx_array_push(&pmcf->requires);
|
|
902
|
|
903 if (p == NULL) {
|
|
904 return NGX_CONF_ERROR;
|
|
905 }
|
|
906
|
|
907 *p = value[1].data;
|
|
908
|
|
909 return NGX_CONF_OK;
|
|
910 }
|
|
911
|
|
912
|
|
913 static char *
|
|
914 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
915 {
|
|
916 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
917
|
|
918 ngx_str_t *value;
|
|
919 ngx_http_core_loc_conf_t *clcf;
|
|
920 ngx_http_perl_main_conf_t *pmcf;
|
|
921
|
|
922 value = cf->args->elts;
|
|
923
|
|
924 if (plcf->handler.data) {
|
|
925 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
926 "duplicate perl handler \"%V\"", &value[1]);
|
|
927 return NGX_CONF_ERROR;
|
|
928 }
|
|
929
|
|
930 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
931
|
|
932 if (pmcf->perl == NULL) {
|
|
933 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
934 return NGX_CONF_ERROR;
|
|
935 }
|
|
936 }
|
|
937
|
|
938 plcf->handler = value[1];
|
|
939
|
|
940 {
|
|
941
|
|
942 dTHXa(pmcf->perl);
|
258
|
943 PERL_SET_CONTEXT(pmcf->perl);
|
148
|
944
|
|
945 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
946
|
|
947 if (plcf->sub == &PL_sv_undef) {
|
|
948 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
949 "eval_pv(\"%V\") failed", &value[1]);
|
|
950 return NGX_CONF_ERROR;
|
|
951 }
|
|
952
|
|
953 if (plcf->sub == NULL) {
|
|
954 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
955 }
|
|
956
|
|
957 }
|
|
958
|
|
959 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
960 clcf->handler = ngx_http_perl_handler;
|
|
961
|
|
962 return NGX_CONF_OK;
|
|
963 }
|
|
964
|
|
965
|
|
966 static char *
|
|
967 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
968 {
|
|
969 ngx_int_t index;
|
|
970 ngx_str_t *value;
|
|
971 ngx_http_variable_t *v;
|
|
972 ngx_http_perl_variable_t *pv;
|
|
973 ngx_http_perl_main_conf_t *pmcf;
|
|
974
|
|
975 value = cf->args->elts;
|
|
976
|
|
977 if (value[1].data[0] != '$') {
|
|
978 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
979 "invalid variable name \"%V\"", &value[1]);
|
|
980 return NGX_CONF_ERROR;
|
|
981 }
|
|
982
|
|
983 value[1].len--;
|
|
984 value[1].data++;
|
|
985
|
340
|
986 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE);
|
148
|
987 if (v == NULL) {
|
|
988 return NGX_CONF_ERROR;
|
|
989 }
|
|
990
|
|
991 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
992 if (pv == NULL) {
|
|
993 return NGX_CONF_ERROR;
|
|
994 }
|
|
995
|
|
996 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
997 if (index == NGX_ERROR) {
|
|
998 return NGX_CONF_ERROR;
|
|
999 }
|
|
1000
|
|
1001 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
1002
|
|
1003 if (pmcf->perl == NULL) {
|
|
1004 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
1005 return NGX_CONF_ERROR;
|
|
1006 }
|
|
1007 }
|
|
1008
|
|
1009 pv->handler = value[2];
|
|
1010
|
|
1011 {
|
|
1012
|
|
1013 dTHXa(pmcf->perl);
|
258
|
1014 PERL_SET_CONTEXT(pmcf->perl);
|
148
|
1015
|
|
1016 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
1017
|
|
1018 if (pv->sub == &PL_sv_undef) {
|
|
1019 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
1020 "eval_pv(\"%V\") failed", &value[2]);
|
|
1021 return NGX_CONF_ERROR;
|
|
1022 }
|
|
1023
|
|
1024 if (pv->sub == NULL) {
|
|
1025 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
1026 }
|
|
1027
|
|
1028 }
|
|
1029
|
186
|
1030 v->get_handler = ngx_http_perl_variable;
|
148
|
1031 v->data = (uintptr_t) pv;
|
|
1032
|
|
1033 return NGX_CONF_OK;
|
|
1034 }
|
306
|
1035
|
|
1036
|
314
|
1037 static ngx_int_t
|
|
1038 ngx_http_perl_init_worker(ngx_cycle_t *cycle)
|
|
1039 {
|
|
1040 ngx_http_perl_main_conf_t *pmcf;
|
|
1041
|
|
1042 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
1043
|
|
1044 {
|
|
1045
|
|
1046 dTHXa(pmcf->perl);
|
|
1047 PERL_SET_CONTEXT(pmcf->perl);
|
|
1048
|
|
1049 /* set worker's $$ */
|
|
1050
|
|
1051 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid);
|
|
1052
|
|
1053 }
|
|
1054
|
|
1055 return NGX_OK;
|
|
1056 }
|
|
1057
|
370
|
1058
|
306
|
1059 static void
|
|
1060 ngx_http_perl_exit(ngx_cycle_t *cycle)
|
|
1061 {
|
370
|
1062 ngx_http_perl_main_conf_t *pmcf;
|
|
1063
|
|
1064 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
1065
|
|
1066 {
|
|
1067
|
|
1068 dTHXa(pmcf->perl);
|
|
1069 PERL_SET_CONTEXT(pmcf->perl);
|
|
1070
|
306
|
1071 PERL_SYS_TERM();
|
370
|
1072
|
|
1073 }
|
306
|
1074 }
|