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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 **free_perls;
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15 ngx_uint_t interp;
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16 ngx_uint_t nalloc;
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17 ngx_uint_t interp_max;
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18
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19 PerlInterpreter *perl;
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20 ngx_str_t modules;
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21 ngx_array_t requires;
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22 } ngx_http_perl_main_conf_t;
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23
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24
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25 typedef struct {
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26 SV *sub;
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27 ngx_str_t handler;
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28 } ngx_http_perl_loc_conf_t;
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29
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30
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31 typedef struct {
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32 SV *sub;
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33 ngx_str_t handler;
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34 } ngx_http_perl_variable_t;
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35
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36
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166
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37 #if (NGX_HTTP_SSI)
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148
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38 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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39 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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40 #endif
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41
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178
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42 static void ngx_http_perl_handle_request(ngx_http_request_t *r);
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148
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43 static ngx_int_t
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44 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
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45 PerlInterpreter **perl, ngx_log_t *log);
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46 static ngx_inline void
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47 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
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48 PerlInterpreter *perl);
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49 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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50 ngx_http_perl_main_conf_t *pmcf);
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51 static PerlInterpreter *
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52 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
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53 ngx_log_t *log);
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198
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54 static ngx_int_t ngx_http_perl_run_requires(ngx_array_t *requires,
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55 ngx_log_t *log);
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148
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56 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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57 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv);
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58 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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59
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60 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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61 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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62 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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63 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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64 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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65 void *child);
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66 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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67 void *conf);
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68 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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69 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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70 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post,
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71 void *data);
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198
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72 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
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148
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73 static void ngx_http_perl_cleanup_perl(void *data);
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198
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74 #endif
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75 static void ngx_http_perl_cleanup_sv(void *data);
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148
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76
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77
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78 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p =
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79 ngx_http_perl_interp_max_unsupported;
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80
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81
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82 static ngx_command_t ngx_http_perl_commands[] = {
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83
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84 { ngx_string("perl_modules"),
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85 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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86 ngx_conf_set_str_slot,
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87 NGX_HTTP_MAIN_CONF_OFFSET,
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88 offsetof(ngx_http_perl_main_conf_t, modules),
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89 NULL },
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90
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91 { ngx_string("perl_require"),
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92 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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93 ngx_http_perl_require,
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94 NGX_HTTP_MAIN_CONF_OFFSET,
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95 0,
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96 NULL },
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97
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98 { ngx_string("perl_interp_max"),
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99 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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100 ngx_conf_set_num_slot,
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101 NGX_HTTP_MAIN_CONF_OFFSET,
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102 offsetof(ngx_http_perl_main_conf_t, interp_max),
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103 &ngx_http_perl_interp_max_p },
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104
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105 { ngx_string("perl"),
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106 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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107 ngx_http_perl,
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108 NGX_HTTP_LOC_CONF_OFFSET,
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109 0,
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110 NULL },
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111
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112 { ngx_string("perl_set"),
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113 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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114 ngx_http_perl_set,
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115 NGX_HTTP_LOC_CONF_OFFSET,
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116 0,
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117 NULL },
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118
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119 ngx_null_command
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120 };
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121
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122
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123 static ngx_http_module_t ngx_http_perl_module_ctx = {
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124 ngx_http_perl_preconfiguration, /* preconfiguration */
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125 NULL, /* postconfiguration */
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126
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127 ngx_http_perl_create_main_conf, /* create main configuration */
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128 ngx_http_perl_init_main_conf, /* init main configuration */
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129
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130 NULL, /* create server configuration */
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131 NULL, /* merge server configuration */
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132
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133 ngx_http_perl_create_loc_conf, /* create location configuration */
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134 ngx_http_perl_merge_loc_conf /* merge location configuration */
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135 };
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136
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137
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138 ngx_module_t ngx_http_perl_module = {
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139 NGX_MODULE_V1,
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140 &ngx_http_perl_module_ctx, /* module context */
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141 ngx_http_perl_commands, /* module directives */
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142 NGX_HTTP_MODULE, /* module type */
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143 NULL, /* init master */
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144 NULL, /* init module */
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145 NULL, /* init process */
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146 NULL, /* init thread */
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147 NULL, /* exit thread */
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148 NULL, /* exit process */
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149 NULL, /* exit master */
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150 NGX_MODULE_V1_PADDING
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151 };
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152
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153
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166
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154 #if (NGX_HTTP_SSI)
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155
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148
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156 #define NGX_HTTP_PERL_SSI_SUB 0
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157 #define NGX_HTTP_PERL_SSI_ARG 1
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158
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159
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160 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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161 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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162 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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163 { ngx_null_string, 0, 0, 0 }
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164 };
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165
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166 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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167 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 1
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168 };
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169
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166
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170 #endif
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171
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148
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172
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182
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173 static HV *nginx_stash;
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174
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148
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175 static void
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176 ngx_http_perl_xs_init(pTHX)
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177 {
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178 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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179
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180 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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181 }
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182
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183
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184 static ngx_int_t
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185 ngx_http_perl_handler(ngx_http_request_t *r)
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186 {
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178
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187 ngx_int_t rc;
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188
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189 /* TODO: Win32 */
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190 if (r->zero_in_uri) {
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191 return NGX_HTTP_NOT_FOUND;
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192 }
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193
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182
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194 r->request_body_in_single_buf = 1;
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195 r->request_body_in_persistent_file = 1;
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184
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196 r->request_body_delete_incomplete_file = 1;
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182
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197
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186
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198 if (r->request_body_in_file_only) {
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199 r->request_body_file_log_level = 0;
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200 }
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201
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178
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202 rc = ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);
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203
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204 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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205 return rc;
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206 }
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207
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208 return NGX_DONE;
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209 }
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210
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211
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212 static void
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213 ngx_http_perl_handle_request(ngx_http_request_t *r)
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214 {
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148
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215 ngx_int_t rc;
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216 ngx_str_t uri, args;
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217 ngx_http_perl_ctx_t *ctx;
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218 ngx_http_perl_loc_conf_t *plcf;
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219 ngx_http_perl_main_conf_t *pmcf;
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220
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221 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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222
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223 /* mod_perl's content handler assumes that content type was already set */
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224
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225 if (ngx_http_set_content_type(r) != NGX_OK) {
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178
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226 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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227 return;
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148
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228 }
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229
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230 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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231
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232 if (ctx == NULL) {
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233 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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234 if (ctx == NULL) {
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178
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235 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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236 return;
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148
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237 }
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238
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239 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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240 }
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241
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242 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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243
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244 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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245
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246 if (rc != NGX_OK) {
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178
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247 ngx_http_finalize_request(r, rc);
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248 return;
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148
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249 }
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250
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251 {
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252
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253 dTHXa(ctx->perl);
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254
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255 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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256
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257 rc = ngx_http_perl_call_handler(aTHX_ r, plcf->sub, NULL,
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258 &plcf->handler, NULL);
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259
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260 }
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261
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262 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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263
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264 if (rc > 600) {
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265 rc = NGX_OK;
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266 }
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267
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268 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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269 "perl handler done: %i", rc);
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270
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271 if (ctx->redirect_uri.len) {
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272 uri = ctx->redirect_uri;
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273 args = ctx->redirect_args;
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178
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274
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275 } else {
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276 uri.len = 0;
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148
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277 }
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278
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182
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279 ctx->filename.data = NULL;
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148
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280 ctx->redirect_uri.len = 0;
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281
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282 if (uri.len) {
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178
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283 ngx_http_internal_redirect(r, &uri, &args);
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284 return;
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148
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285 }
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286
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287 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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288 ngx_http_send_special(r, NGX_HTTP_LAST);
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148
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289 }
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290
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178
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291 ngx_http_finalize_request(r, rc);
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148
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292 }
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293
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294
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295 static ngx_int_t
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296 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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297 uintptr_t data)
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298 {
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299 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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300
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301 ngx_int_t rc;
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302 ngx_str_t value;
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303 ngx_http_perl_ctx_t *ctx;
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304 ngx_http_perl_main_conf_t *pmcf;
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305
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306 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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307 "perl variable handler");
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308
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309 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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310
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311 if (ctx == NULL) {
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312 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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313 if (ctx == NULL) {
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314 return NGX_ERROR;
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315 }
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316
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317 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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318 }
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319
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320 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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321
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322 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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323
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324 if (rc != NGX_OK) {
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325 return rc;
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326 }
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327
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328 value.data = NULL;
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329
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330 {
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331
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332 dTHXa(ctx->perl);
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333
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334 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL,
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335 &pv->handler, &value);
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336
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337 }
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338
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339 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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340
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341 if (value.data) {
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342 v->len = value.len;
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343 v->valid = 1;
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344 v->no_cachable = 0;
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345 v->not_found = 0;
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346 v->data = value.data;
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347
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348 } else {
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349 v->not_found = 1;
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350 }
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351
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182
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352 ctx->filename.data = NULL;
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148
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353 ctx->redirect_uri.len = 0;
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354
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355 return rc;
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356 }
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357
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358
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166
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359 #if (NGX_HTTP_SSI)
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360
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148
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361 static ngx_int_t
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362 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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363 ngx_str_t **params)
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364 {
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365 SV *sv;
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366 ngx_int_t rc;
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367 ngx_str_t *handler;
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368 ngx_http_perl_ctx_t *ctx;
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369 ngx_http_perl_main_conf_t *pmcf;
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370
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371 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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372 "perl ssi handler");
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373
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374 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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375
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376 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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377
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378 if (ctx == NULL) {
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379 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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380 if (ctx == NULL) {
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381 return NGX_ERROR;
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382 }
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383
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384 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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385 }
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386
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387 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
|
|
|
388
|
|
|
389 if (rc != NGX_OK) {
|
|
|
390 return rc;
|
|
|
391 }
|
|
|
392
|
|
|
393 ctx->ssi = ssi_ctx;
|
|
|
394
|
|
|
395 handler = params[NGX_HTTP_PERL_SSI_SUB];
|
|
|
396 handler->data[handler->len] = '\0';
|
|
|
397
|
|
|
398 {
|
|
|
399
|
|
|
400 dTHXa(ctx->perl);
|
|
|
401
|
|
|
402 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
403
|
|
|
404 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG],
|
|
|
405 handler, NULL);
|
|
|
406
|
|
|
407 SvREFCNT_dec(sv);
|
|
|
408
|
|
|
409 }
|
|
|
410
|
|
|
411 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
|
|
|
412
|
|
182
|
413 ctx->filename.data = NULL;
|
|
148
|
414 ctx->redirect_uri.len = 0;
|
|
|
415 ctx->ssi = NULL;
|
|
|
416
|
|
|
417 return rc;
|
|
|
418 }
|
|
|
419
|
|
166
|
420 #endif
|
|
|
421
|
|
148
|
422
|
|
|
423 static ngx_int_t
|
|
|
424 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
425 PerlInterpreter **perl, ngx_log_t *log)
|
|
|
426 {
|
|
|
427 if (pmcf->interp) {
|
|
|
428 pmcf->interp--;
|
|
|
429
|
|
|
430 *perl = pmcf->free_perls[pmcf->interp];
|
|
|
431
|
|
|
432 return NGX_OK;
|
|
|
433 }
|
|
|
434
|
|
|
435 if (pmcf->nalloc < pmcf->interp_max) {
|
|
|
436 *perl = ngx_http_perl_create_interpreter(pmcf, log);
|
|
|
437
|
|
|
438 if (*perl) {
|
|
|
439 return NGX_OK;
|
|
|
440 }
|
|
|
441
|
|
|
442 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
443 }
|
|
|
444
|
|
|
445 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter");
|
|
|
446
|
|
|
447 return NGX_HTTP_SERVICE_UNAVAILABLE;
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 static ngx_inline void
|
|
|
452 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
453 PerlInterpreter *perl)
|
|
|
454 {
|
|
|
455 pmcf->free_perls[pmcf->interp++] = perl;
|
|
|
456 }
|
|
|
457
|
|
|
458
|
|
|
459 static char *
|
|
|
460 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
461 {
|
|
198
|
462 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
463 ngx_pool_cleanup_t *cln;
|
|
148
|
464
|
|
|
465 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
466 if (cln == NULL) {
|
|
|
467 return NGX_CONF_ERROR;
|
|
|
468 }
|
|
|
469
|
|
198
|
470 #else
|
|
|
471 static PerlInterpreter *perl;
|
|
|
472 #endif
|
|
|
473
|
|
148
|
474 #ifdef NGX_PERL_MODULES
|
|
|
475 if (pmcf->modules.data == NULL) {
|
|
|
476 pmcf->modules.data = NGX_PERL_MODULES;
|
|
|
477 }
|
|
|
478 #endif
|
|
|
479
|
|
188
|
480 if (pmcf->modules.data) {
|
|
|
481 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) {
|
|
|
482 return NGX_CONF_ERROR;
|
|
|
483 }
|
|
178
|
484 }
|
|
|
485
|
|
198
|
486 #if !(NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
487
|
|
|
488 if (perl) {
|
|
|
489 if (ngx_http_perl_run_requires(&pmcf->requires, cf->log) != NGX_OK) {
|
|
|
490 return NGX_CONF_ERROR;
|
|
|
491 }
|
|
|
492
|
|
|
493 pmcf->perl = perl;
|
|
|
494
|
|
|
495 return NGX_CONF_OK;
|
|
|
496 }
|
|
|
497
|
|
|
498 #endif
|
|
|
499
|
|
148
|
500 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
501
|
|
|
502 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log);
|
|
|
503
|
|
|
504 if (pmcf->perl == NULL) {
|
|
|
505 PERL_SYS_TERM();
|
|
|
506 return NGX_CONF_ERROR;
|
|
|
507 }
|
|
|
508
|
|
198
|
509 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
510
|
|
148
|
511 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
512 cln->data = pmcf->perl;
|
|
|
513
|
|
198
|
514 #else
|
|
|
515
|
|
|
516 perl = pmcf->perl;
|
|
|
517
|
|
|
518 #endif
|
|
|
519
|
|
148
|
520 return NGX_CONF_OK;
|
|
|
521 }
|
|
|
522
|
|
|
523
|
|
|
524 static PerlInterpreter *
|
|
|
525 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
526 ngx_log_t *log)
|
|
|
527 {
|
|
|
528 int n;
|
|
|
529 char *embedding[6];
|
|
|
530 PerlInterpreter *perl;
|
|
|
531
|
|
|
532 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter");
|
|
|
533
|
|
|
534 #if (NGX_HAVE_PERL_CLONE)
|
|
|
535
|
|
|
536 if (pmcf->perl) {
|
|
|
537
|
|
|
538 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE);
|
|
|
539 if (perl == NULL) {
|
|
|
540 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed");
|
|
|
541 return NULL;
|
|
|
542 }
|
|
|
543
|
|
|
544 {
|
|
|
545
|
|
|
546 dTHXa(perl);
|
|
|
547
|
|
|
548 ptr_table_free(PL_ptr_table);
|
|
|
549 PL_ptr_table = NULL;
|
|
|
550
|
|
|
551 }
|
|
|
552
|
|
|
553 pmcf->nalloc++;
|
|
|
554
|
|
|
555 return perl;
|
|
|
556 }
|
|
|
557
|
|
|
558 #endif
|
|
|
559
|
|
|
560 perl = perl_alloc();
|
|
|
561 if (perl == NULL) {
|
|
|
562 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed");
|
|
|
563 return NULL;
|
|
|
564 }
|
|
|
565
|
|
|
566 perl_construct(perl);
|
|
|
567
|
|
|
568 {
|
|
|
569
|
|
|
570 dTHXa(perl);
|
|
|
571
|
|
|
572 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
573 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
574 #endif
|
|
|
575
|
|
|
576 embedding[0] = "";
|
|
|
577
|
|
|
578 if (pmcf->modules.data) {
|
|
|
579 embedding[1] = "-I";
|
|
|
580 embedding[2] = (char *) pmcf->modules.data;
|
|
|
581 n = 3;
|
|
|
582
|
|
|
583 } else {
|
|
|
584 n = 1;
|
|
|
585 }
|
|
|
586
|
|
|
587 embedding[n++] = "-Mnginx";
|
|
|
588 embedding[n++] = "-e";
|
|
|
589 embedding[n++] = "0";
|
|
|
590
|
|
|
591 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
592
|
|
|
593 if (n != 0) {
|
|
|
594 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n);
|
|
|
595 goto fail;
|
|
|
596 }
|
|
|
597
|
|
198
|
598 if (ngx_http_perl_run_requires(&pmcf->requires, log) != NGX_OK) {
|
|
|
599 goto fail;
|
|
148
|
600 }
|
|
|
601
|
|
|
602 }
|
|
|
603
|
|
|
604 pmcf->nalloc++;
|
|
|
605
|
|
|
606 return perl;
|
|
|
607
|
|
|
608 fail:
|
|
|
609
|
|
|
610 (void) perl_destruct(perl);
|
|
|
611
|
|
|
612 perl_free(perl);
|
|
|
613
|
|
|
614 return NULL;
|
|
|
615 }
|
|
|
616
|
|
|
617
|
|
198
|
618 static ngx_int_t
|
|
|
619 ngx_http_perl_run_requires(ngx_array_t *requires, ngx_log_t *log)
|
|
|
620 {
|
|
|
621 char **script;
|
|
|
622 STRLEN len;
|
|
|
623 ngx_str_t err;
|
|
|
624 ngx_uint_t i;
|
|
|
625
|
|
|
626 script = requires->elts;
|
|
|
627 for (i = 0; i < requires->nelts; i++) {
|
|
|
628
|
|
|
629 require_pv(script[i]);
|
|
|
630
|
|
|
631 if (SvTRUE(ERRSV)) {
|
|
|
632
|
|
|
633 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
634 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
635 /* void */
|
|
|
636 }
|
|
|
637 err.len = len + 1;
|
|
|
638
|
|
|
639 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
640 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
|
641
|
|
|
642 return NGX_ERROR;
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 return NGX_OK;
|
|
|
647 }
|
|
|
648
|
|
|
649
|
|
148
|
650 #if (__INTEL_COMPILER)
|
|
|
651 /*
|
|
|
652 * disable 'declaration hides parameter "my_perl"' warning for ENTER and LEAVE
|
|
|
653 */
|
|
|
654 #pragma warning(disable:1599)
|
|
|
655 #endif
|
|
|
656
|
|
|
657
|
|
|
658 static ngx_int_t
|
|
|
659 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub,
|
|
|
660 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
|
661 {
|
|
|
662 SV *sv;
|
|
|
663 int n, status;
|
|
|
664 char *line;
|
|
|
665 STRLEN len, n_a;
|
|
|
666 ngx_str_t err;
|
|
|
667 ngx_uint_t i;
|
|
|
668
|
|
|
669 dSP;
|
|
|
670
|
|
|
671 status = 0;
|
|
|
672
|
|
|
673 ENTER;
|
|
|
674 SAVETMPS;
|
|
|
675
|
|
|
676 PUSHMARK(sp);
|
|
|
677
|
|
182
|
678 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash));
|
|
148
|
679 XPUSHs(sv);
|
|
|
680
|
|
|
681 if (args) {
|
|
|
682 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
683
|
|
|
684 EXTEND(sp, (int) i);
|
|
|
685
|
|
|
686 for (i = 0; args[i]; i++) {
|
|
|
687 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len)));
|
|
|
688 }
|
|
|
689 }
|
|
|
690
|
|
|
691 PUTBACK;
|
|
|
692
|
|
|
693 n = call_sv(sub, G_EVAL);
|
|
|
694
|
|
|
695 SPAGAIN;
|
|
|
696
|
|
|
697 if (n) {
|
|
|
698 if (rv == NULL) {
|
|
|
699 status = POPi;
|
|
|
700
|
|
|
701 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
702 "call_sv: %d", status);
|
|
|
703
|
|
|
704 } else {
|
|
168
|
705 line = SvPVx(POPs, n_a);
|
|
148
|
706 rv->len = n_a;
|
|
|
707
|
|
|
708 rv->data = ngx_palloc(r->pool, n_a);
|
|
|
709 if (rv->data == NULL) {
|
|
|
710 return NGX_ERROR;
|
|
|
711 }
|
|
|
712
|
|
|
713 ngx_memcpy(rv->data, line, n_a);
|
|
|
714 }
|
|
|
715 }
|
|
|
716
|
|
|
717 PUTBACK;
|
|
|
718
|
|
|
719 FREETMPS;
|
|
|
720 LEAVE;
|
|
|
721
|
|
|
722 /* check $@ */
|
|
|
723
|
|
|
724 if (SvTRUE(ERRSV)) {
|
|
|
725
|
|
|
726 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
727 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
728 /* void */
|
|
|
729 }
|
|
|
730 err.len = len + 1;
|
|
|
731
|
|
|
732 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
733 "call_sv(\"%V\") failed: \"%V\"",
|
|
|
734 handler, &err);
|
|
|
735
|
|
|
736 if (rv) {
|
|
|
737 return NGX_ERROR;
|
|
|
738 }
|
|
|
739
|
|
|
740 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
741 }
|
|
|
742
|
|
|
743 if (n != 1) {
|
|
|
744 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
745 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
746 status = NGX_OK;
|
|
|
747 }
|
|
|
748
|
|
|
749 if (rv) {
|
|
|
750 return NGX_OK;
|
|
|
751 }
|
|
|
752
|
|
|
753 return (ngx_int_t) status;
|
|
|
754 }
|
|
|
755
|
|
|
756
|
|
|
757 #if (__INTEL_COMPILER)
|
|
|
758 #pragma warning(default:1599)
|
|
|
759 #endif
|
|
|
760
|
|
|
761
|
|
|
762 static void
|
|
|
763 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
764 {
|
|
172
|
765 u_char *p;
|
|
|
766
|
|
|
767 for (p = handler->data; *p; p++) {
|
|
|
768 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
769 break;
|
|
|
770 }
|
|
|
771 }
|
|
|
772
|
|
198
|
773 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) {
|
|
172
|
774 *sv = eval_pv((char *) p, FALSE);
|
|
148
|
775 return;
|
|
|
776 }
|
|
|
777
|
|
|
778 *sv = NULL;
|
|
|
779 }
|
|
|
780
|
|
|
781
|
|
|
782 static void *
|
|
|
783 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
784 {
|
|
|
785 ngx_http_perl_main_conf_t *pmcf;
|
|
|
786
|
|
|
787 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
788 if (pmcf == NULL) {
|
|
|
789 return NGX_CONF_ERROR;
|
|
|
790 }
|
|
|
791
|
|
|
792 pmcf->interp_max = NGX_CONF_UNSET_UINT;
|
|
|
793
|
|
|
794 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
|
795 != NGX_OK)
|
|
|
796 {
|
|
|
797 return NULL;
|
|
|
798 }
|
|
|
799
|
|
|
800 return pmcf;
|
|
|
801 }
|
|
|
802
|
|
|
803
|
|
|
804 static char *
|
|
|
805 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
806 {
|
|
|
807 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
808
|
|
|
809 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
810 ngx_conf_init_unsigned_value(pmcf->interp_max, 10);
|
|
|
811 #else
|
|
|
812 ngx_conf_init_unsigned_value(pmcf->interp_max, 1);
|
|
|
813 #endif
|
|
|
814
|
|
|
815 pmcf->free_perls = ngx_pcalloc(cf->pool,
|
|
|
816 pmcf->interp_max * sizeof(PerlInterpreter *));
|
|
|
817 if (pmcf->free_perls == NULL) {
|
|
|
818 return NGX_CONF_ERROR;
|
|
|
819 }
|
|
|
820
|
|
|
821 if (pmcf->perl == NULL) {
|
|
|
822 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
823 return NGX_CONF_ERROR;
|
|
|
824 }
|
|
|
825 }
|
|
|
826
|
|
|
827 #if !(NGX_HAVE_PERL_CLONE)
|
|
|
828 ngx_http_perl_free_interpreter(pmcf, pmcf->perl);
|
|
|
829 #endif
|
|
|
830
|
|
|
831 return NGX_CONF_OK;
|
|
|
832 }
|
|
|
833
|
|
|
834
|
|
198
|
835 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
836
|
|
148
|
837 static void
|
|
|
838 ngx_http_perl_cleanup_perl(void *data)
|
|
|
839 {
|
|
198
|
840 PerlInterpreter *perl = data;
|
|
148
|
841
|
|
|
842 (void) perl_destruct(perl);
|
|
|
843
|
|
|
844 perl_free(perl);
|
|
|
845
|
|
|
846 PERL_SYS_TERM();
|
|
|
847 }
|
|
|
848
|
|
198
|
849 #endif
|
|
|
850
|
|
|
851
|
|
|
852 static void
|
|
|
853 ngx_http_perl_cleanup_sv(void *data)
|
|
|
854 {
|
|
|
855 SV *sv = data;
|
|
|
856
|
|
|
857 SvREFCNT_dec(sv);
|
|
|
858 }
|
|
|
859
|
|
148
|
860
|
|
|
861 static ngx_int_t
|
|
|
862 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
863 {
|
|
166
|
864 #if (NGX_HTTP_SSI)
|
|
148
|
865 ngx_int_t rc;
|
|
|
866 ngx_http_ssi_main_conf_t *smcf;
|
|
|
867
|
|
|
868 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
869
|
|
|
870 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
871 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
872
|
|
|
873 if (rc != NGX_OK) {
|
|
|
874 if (rc == NGX_BUSY) {
|
|
|
875 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
876 "conflicting SSI command \"%V\"",
|
|
|
877 &ngx_http_perl_ssi_command.name);
|
|
|
878 }
|
|
|
879
|
|
|
880 return NGX_ERROR;
|
|
|
881 }
|
|
166
|
882 #endif
|
|
148
|
883
|
|
|
884 return NGX_OK;
|
|
|
885 }
|
|
|
886
|
|
|
887
|
|
|
888 static void *
|
|
|
889 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
890 {
|
|
|
891 ngx_http_perl_loc_conf_t *plcf;
|
|
|
892
|
|
|
893 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
894 if (plcf == NULL) {
|
|
|
895 return NGX_CONF_ERROR;
|
|
|
896 }
|
|
|
897
|
|
|
898 /*
|
|
|
899 * set by ngx_pcalloc():
|
|
|
900 *
|
|
|
901 * plcf->handler = { 0, NULL };
|
|
|
902 */
|
|
|
903
|
|
|
904 return plcf;
|
|
|
905 }
|
|
|
906
|
|
|
907
|
|
|
908 static char *
|
|
|
909 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
910 {
|
|
|
911 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
912 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
913
|
|
|
914 if (conf->sub == NULL) {
|
|
|
915 conf->sub = prev->sub;
|
|
|
916 conf->handler = prev->handler;
|
|
|
917 }
|
|
|
918
|
|
|
919 return NGX_CONF_OK;
|
|
|
920 }
|
|
|
921
|
|
|
922
|
|
|
923 static char *
|
|
|
924 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
925 {
|
|
|
926 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
927
|
|
|
928 u_char **p;
|
|
|
929 ngx_str_t *value;
|
|
|
930
|
|
|
931 value = cf->args->elts;
|
|
|
932
|
|
|
933 p = ngx_array_push(&pmcf->requires);
|
|
|
934
|
|
|
935 if (p == NULL) {
|
|
|
936 return NGX_CONF_ERROR;
|
|
|
937 }
|
|
|
938
|
|
|
939 *p = value[1].data;
|
|
|
940
|
|
|
941 return NGX_CONF_OK;
|
|
|
942 }
|
|
|
943
|
|
|
944
|
|
|
945 static char *
|
|
|
946 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
947 {
|
|
|
948 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
949
|
|
|
950 ngx_str_t *value;
|
|
198
|
951 ngx_pool_cleanup_t *cln;
|
|
148
|
952 ngx_http_core_loc_conf_t *clcf;
|
|
|
953 ngx_http_perl_main_conf_t *pmcf;
|
|
|
954
|
|
|
955 value = cf->args->elts;
|
|
|
956
|
|
|
957 if (plcf->handler.data) {
|
|
|
958 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
959 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
960 return NGX_CONF_ERROR;
|
|
|
961 }
|
|
|
962
|
|
|
963 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
964
|
|
|
965 if (pmcf->perl == NULL) {
|
|
|
966 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
967 return NGX_CONF_ERROR;
|
|
|
968 }
|
|
|
969 }
|
|
|
970
|
|
198
|
971 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
972 if (cln == NULL) {
|
|
|
973 return NGX_CONF_ERROR;
|
|
|
974 }
|
|
|
975
|
|
148
|
976 plcf->handler = value[1];
|
|
|
977
|
|
|
978 {
|
|
|
979
|
|
|
980 dTHXa(pmcf->perl);
|
|
|
981
|
|
|
982 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
983
|
|
|
984 if (plcf->sub == &PL_sv_undef) {
|
|
|
985 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
986 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
987 return NGX_CONF_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 if (plcf->sub == NULL) {
|
|
|
991 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
992 }
|
|
|
993
|
|
|
994 }
|
|
|
995
|
|
198
|
996 cln->handler = ngx_http_perl_cleanup_sv;
|
|
|
997 cln->data = plcf->sub;
|
|
|
998
|
|
148
|
999 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1000 clcf->handler = ngx_http_perl_handler;
|
|
|
1001
|
|
|
1002 return NGX_CONF_OK;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005
|
|
|
1006 static char *
|
|
|
1007 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1008 {
|
|
|
1009 ngx_int_t index;
|
|
|
1010 ngx_str_t *value;
|
|
198
|
1011 ngx_pool_cleanup_t *cln;
|
|
148
|
1012 ngx_http_variable_t *v;
|
|
|
1013 ngx_http_perl_variable_t *pv;
|
|
|
1014 ngx_http_perl_main_conf_t *pmcf;
|
|
|
1015
|
|
|
1016 value = cf->args->elts;
|
|
|
1017
|
|
|
1018 if (value[1].data[0] != '$') {
|
|
|
1019 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1020 "invalid variable name \"%V\"", &value[1]);
|
|
|
1021 return NGX_CONF_ERROR;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 value[1].len--;
|
|
|
1025 value[1].data++;
|
|
|
1026
|
|
|
1027 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
|
1028 if (v == NULL) {
|
|
|
1029 return NGX_CONF_ERROR;
|
|
|
1030 }
|
|
|
1031
|
|
|
1032 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
1033 if (pv == NULL) {
|
|
|
1034 return NGX_CONF_ERROR;
|
|
|
1035 }
|
|
|
1036
|
|
|
1037 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
1038 if (index == NGX_ERROR) {
|
|
|
1039 return NGX_CONF_ERROR;
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
1043
|
|
|
1044 if (pmcf->perl == NULL) {
|
|
|
1045 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
1046 return NGX_CONF_ERROR;
|
|
|
1047 }
|
|
|
1048 }
|
|
|
1049
|
|
198
|
1050 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
1051 if (cln == NULL) {
|
|
|
1052 return NGX_CONF_ERROR;
|
|
|
1053 }
|
|
|
1054
|
|
148
|
1055 pv->handler = value[2];
|
|
|
1056
|
|
|
1057 {
|
|
|
1058
|
|
|
1059 dTHXa(pmcf->perl);
|
|
|
1060
|
|
|
1061 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
1062
|
|
|
1063 if (pv->sub == &PL_sv_undef) {
|
|
|
1064 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1065 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
1066 return NGX_CONF_ERROR;
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 if (pv->sub == NULL) {
|
|
|
1070 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
1071 }
|
|
|
1072
|
|
|
1073 }
|
|
|
1074
|
|
198
|
1075 cln->handler = ngx_http_perl_cleanup_sv;
|
|
|
1076 cln->data = pv->sub;
|
|
|
1077
|
|
186
|
1078 v->get_handler = ngx_http_perl_variable;
|
|
148
|
1079 v->data = (uintptr_t) pv;
|
|
|
1080
|
|
|
1081 return NGX_CONF_OK;
|
|
|
1082 }
|
|
|
1083
|
|
|
1084
|
|
|
1085 static char *
|
|
|
1086 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data)
|
|
|
1087 {
|
|
|
1088 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
1089
|
|
|
1090 return NGX_CONF_OK;
|
|
|
1091
|
|
|
1092 #else
|
|
|
1093
|
|
|
1094 return "to use perl_interp_max you have to build perl with "
|
|
|
1095 "-Dusemultiplicity or -Dusethreads options";
|
|
|
1096
|
|
|
1097 #endif
|
|
|
1098 }
|
