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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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202
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37 typedef struct {
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38 SV *sv;
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39 PerlInterpreter *perl;
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40 } ngx_http_perl_cleanup_t;
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41
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42
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166
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43 #if (NGX_HTTP_SSI)
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148
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44 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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45 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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46 #endif
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47
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148
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48 static ngx_int_t
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49 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
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50 PerlInterpreter **perl, ngx_log_t *log);
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51 static ngx_inline void
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52 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
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53 PerlInterpreter *perl);
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54 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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55 ngx_http_perl_main_conf_t *pmcf);
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56 static PerlInterpreter *
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57 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
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58 ngx_log_t *log);
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202
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59 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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60 ngx_log_t *log);
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148
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61 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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62 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv);
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63 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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64
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65 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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66 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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67 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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68 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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69 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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70 void *child);
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71 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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72 void *conf);
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73 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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74 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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75 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post,
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76 void *data);
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198
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77 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
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148
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78 static void ngx_http_perl_cleanup_perl(void *data);
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198
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79 #endif
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80 static void ngx_http_perl_cleanup_sv(void *data);
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148
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81
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82
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83 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p =
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84 ngx_http_perl_interp_max_unsupported;
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85
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86
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87 static ngx_command_t ngx_http_perl_commands[] = {
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88
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89 { ngx_string("perl_modules"),
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90 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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91 ngx_conf_set_str_slot,
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92 NGX_HTTP_MAIN_CONF_OFFSET,
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93 offsetof(ngx_http_perl_main_conf_t, modules),
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94 NULL },
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95
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96 { ngx_string("perl_require"),
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97 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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98 ngx_http_perl_require,
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99 NGX_HTTP_MAIN_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_string("perl_interp_max"),
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104 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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105 ngx_conf_set_num_slot,
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106 NGX_HTTP_MAIN_CONF_OFFSET,
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107 offsetof(ngx_http_perl_main_conf_t, interp_max),
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108 &ngx_http_perl_interp_max_p },
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109
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110 { ngx_string("perl"),
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111 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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112 ngx_http_perl,
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113 NGX_HTTP_LOC_CONF_OFFSET,
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114 0,
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115 NULL },
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116
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117 { ngx_string("perl_set"),
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118 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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119 ngx_http_perl_set,
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120 NGX_HTTP_LOC_CONF_OFFSET,
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121 0,
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122 NULL },
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123
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124 ngx_null_command
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125 };
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126
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127
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128 static ngx_http_module_t ngx_http_perl_module_ctx = {
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129 ngx_http_perl_preconfiguration, /* preconfiguration */
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130 NULL, /* postconfiguration */
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131
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132 ngx_http_perl_create_main_conf, /* create main configuration */
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133 ngx_http_perl_init_main_conf, /* init main configuration */
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134
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135 NULL, /* create server configuration */
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136 NULL, /* merge server configuration */
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137
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138 ngx_http_perl_create_loc_conf, /* create location configuration */
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139 ngx_http_perl_merge_loc_conf /* merge location configuration */
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140 };
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141
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142
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143 ngx_module_t ngx_http_perl_module = {
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144 NGX_MODULE_V1,
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145 &ngx_http_perl_module_ctx, /* module context */
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146 ngx_http_perl_commands, /* module directives */
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147 NGX_HTTP_MODULE, /* module type */
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148 NULL, /* init master */
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149 NULL, /* init module */
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150 NULL, /* init process */
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151 NULL, /* init thread */
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152 NULL, /* exit thread */
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153 NULL, /* exit process */
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154 NULL, /* exit master */
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155 NGX_MODULE_V1_PADDING
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156 };
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157
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158
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166
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159 #if (NGX_HTTP_SSI)
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160
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148
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161 #define NGX_HTTP_PERL_SSI_SUB 0
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162 #define NGX_HTTP_PERL_SSI_ARG 1
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163
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164
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165 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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166 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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167 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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168 { ngx_null_string, 0, 0, 0 }
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169 };
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170
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171 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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172 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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173 };
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174
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166
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175 #endif
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176
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148
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177
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230
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178 static ngx_str_t ngx_null_name = ngx_null_string;
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179
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180
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182
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181 static HV *nginx_stash;
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182
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148
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183 static void
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184 ngx_http_perl_xs_init(pTHX)
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185 {
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186 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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187
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188 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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189 }
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190
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191
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192 static ngx_int_t
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193 ngx_http_perl_handler(ngx_http_request_t *r)
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194 {
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178
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195 /* TODO: Win32 */
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196 if (r->zero_in_uri) {
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197 return NGX_HTTP_NOT_FOUND;
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198 }
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199
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230
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200 ngx_http_perl_handle_request(r);
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201
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202 return NGX_DONE;
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203
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204 #if 0
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182
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205 r->request_body_in_single_buf = 1;
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206 r->request_body_in_persistent_file = 1;
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184
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207 r->request_body_delete_incomplete_file = 1;
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182
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208
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186
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209 if (r->request_body_in_file_only) {
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210 r->request_body_file_log_level = 0;
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211 }
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212
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178
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213 rc = ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);
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214
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215 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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216 return rc;
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217 }
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218
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219 return NGX_DONE;
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230
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220 #endif
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178
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221 }
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222
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223
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230
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224 void
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178
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225 ngx_http_perl_handle_request(ngx_http_request_t *r)
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226 {
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230
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227 SV *sub;
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148
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228 ngx_int_t rc;
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230
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229 ngx_str_t uri, args, *handler;
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148
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230 ngx_http_perl_ctx_t *ctx;
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231 ngx_http_perl_loc_conf_t *plcf;
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232 ngx_http_perl_main_conf_t *pmcf;
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233
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234 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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235
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236 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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237
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238 if (ctx == NULL) {
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239 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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240 if (ctx == NULL) {
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230
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241 ngx_http_finalize_request(r, NGX_ERROR);
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178
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242 return;
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148
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243 }
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244
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245 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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246 }
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247
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248 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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249
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250 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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251
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252 if (rc != NGX_OK) {
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178
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253 ngx_http_finalize_request(r, rc);
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254 return;
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148
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255 }
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256
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257 {
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258
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259 dTHXa(ctx->perl);
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260
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230
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261 if (ctx->next == NULL) {
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262 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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263 sub = plcf->sub;
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264 handler = &plcf->handler;
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148
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265
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230
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266 } else {
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267 sub = ctx->next;
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268 handler = &ngx_null_name;
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269 ctx->next = NULL;
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270 }
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271
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272 rc = ngx_http_perl_call_handler(aTHX_ r, sub, NULL, handler, NULL);
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148
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273
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274 }
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275
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276 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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277
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278 if (rc > 600) {
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279 rc = NGX_OK;
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280 }
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281
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282 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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283 "perl handler done: %i", rc);
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284
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285 if (ctx->redirect_uri.len) {
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286 uri = ctx->redirect_uri;
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287 args = ctx->redirect_args;
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178
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288
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289 } else {
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290 uri.len = 0;
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148
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291 }
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292
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182
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293 ctx->filename.data = NULL;
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148
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294 ctx->redirect_uri.len = 0;
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295
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230
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296 if (ctx->done || ctx->next) {
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297 return;
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298 }
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299
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148
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300 if (uri.len) {
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178
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301 ngx_http_internal_redirect(r, &uri, &args);
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302 return;
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148
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303 }
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304
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305 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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306 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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307 ctx->done = 1;
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148
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308 }
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309
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178
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310 ngx_http_finalize_request(r, rc);
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148
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311 }
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312
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313
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314 static ngx_int_t
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315 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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316 uintptr_t data)
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317 {
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318 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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319
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320 ngx_int_t rc;
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321 ngx_str_t value;
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322 ngx_http_perl_ctx_t *ctx;
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323 ngx_http_perl_main_conf_t *pmcf;
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324
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325 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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326 "perl variable handler");
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327
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328 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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329
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330 if (ctx == NULL) {
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331 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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332 if (ctx == NULL) {
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333 return NGX_ERROR;
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334 }
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335
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336 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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337 }
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338
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339 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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340
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341 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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342
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343 if (rc != NGX_OK) {
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344 return rc;
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345 }
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346
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347 value.data = NULL;
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348
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349 {
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350
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351 dTHXa(ctx->perl);
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352
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353 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL,
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354 &pv->handler, &value);
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355
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356 }
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357
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358 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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359
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360 if (value.data) {
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361 v->len = value.len;
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362 v->valid = 1;
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363 v->no_cachable = 0;
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364 v->not_found = 0;
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365 v->data = value.data;
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366
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367 } else {
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368 v->not_found = 1;
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369 }
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370
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182
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371 ctx->filename.data = NULL;
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148
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372 ctx->redirect_uri.len = 0;
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373
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374 return rc;
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375 }
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376
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377
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166
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378 #if (NGX_HTTP_SSI)
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379
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148
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380 static ngx_int_t
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381 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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382 ngx_str_t **params)
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383 {
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384 SV *sv;
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385 ngx_int_t rc;
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386 ngx_str_t *handler;
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387 ngx_http_perl_ctx_t *ctx;
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388 ngx_http_perl_main_conf_t *pmcf;
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389
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390 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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|
|
391 "perl ssi handler");
|
|
|
392
|
|
|
393 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
|
|
|
394
|
|
|
395 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
|
|
|
396
|
|
|
397 if (ctx == NULL) {
|
|
|
398 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
|
|
|
399 if (ctx == NULL) {
|
|
|
400 return NGX_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
|
|
|
404 }
|
|
|
405
|
|
|
406 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
|
|
|
407
|
|
|
408 if (rc != NGX_OK) {
|
|
|
409 return rc;
|
|
|
410 }
|
|
|
411
|
|
|
412 ctx->ssi = ssi_ctx;
|
|
|
413
|
|
|
414 handler = params[NGX_HTTP_PERL_SSI_SUB];
|
|
|
415 handler->data[handler->len] = '\0';
|
|
|
416
|
|
|
417 {
|
|
|
418
|
|
|
419 dTHXa(ctx->perl);
|
|
|
420
|
|
200
|
421 #if 0
|
|
|
422
|
|
|
423 /* the code is disabled to force the precompiled perl code using only */
|
|
|
424
|
|
|
425 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
|
|
|
426
|
|
|
427 if (sv == &PL_sv_undef) {
|
|
|
428 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
429 "eval_pv(\"%V\") failed", handler);
|
|
|
430 return NGX_ERROR;
|
|
|
431 }
|
|
|
432
|
|
|
433 if (sv == NULL) {
|
|
|
434 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
435 }
|
|
|
436
|
|
|
437 #endif
|
|
|
438
|
|
148
|
439 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
440
|
|
|
441 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG],
|
|
|
442 handler, NULL);
|
|
|
443
|
|
|
444 SvREFCNT_dec(sv);
|
|
|
445
|
|
|
446 }
|
|
|
447
|
|
|
448 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
|
|
|
449
|
|
182
|
450 ctx->filename.data = NULL;
|
|
148
|
451 ctx->redirect_uri.len = 0;
|
|
|
452 ctx->ssi = NULL;
|
|
|
453
|
|
|
454 return rc;
|
|
|
455 }
|
|
|
456
|
|
166
|
457 #endif
|
|
|
458
|
|
148
|
459
|
|
|
460 static ngx_int_t
|
|
|
461 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
462 PerlInterpreter **perl, ngx_log_t *log)
|
|
|
463 {
|
|
|
464 if (pmcf->interp) {
|
|
|
465 pmcf->interp--;
|
|
|
466
|
|
|
467 *perl = pmcf->free_perls[pmcf->interp];
|
|
|
468
|
|
|
469 return NGX_OK;
|
|
|
470 }
|
|
|
471
|
|
|
472 if (pmcf->nalloc < pmcf->interp_max) {
|
|
|
473 *perl = ngx_http_perl_create_interpreter(pmcf, log);
|
|
|
474
|
|
|
475 if (*perl) {
|
|
|
476 return NGX_OK;
|
|
|
477 }
|
|
|
478
|
|
|
479 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
480 }
|
|
|
481
|
|
|
482 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter");
|
|
|
483
|
|
|
484 return NGX_HTTP_SERVICE_UNAVAILABLE;
|
|
|
485 }
|
|
|
486
|
|
|
487
|
|
|
488 static ngx_inline void
|
|
|
489 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
490 PerlInterpreter *perl)
|
|
|
491 {
|
|
|
492 pmcf->free_perls[pmcf->interp++] = perl;
|
|
|
493 }
|
|
|
494
|
|
|
495
|
|
|
496 static char *
|
|
|
497 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
498 {
|
|
198
|
499 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
202
|
500 ngx_pool_cleanup_t *cln;
|
|
148
|
501
|
|
|
502 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
503 if (cln == NULL) {
|
|
|
504 return NGX_CONF_ERROR;
|
|
|
505 }
|
|
|
506
|
|
198
|
507 #else
|
|
|
508 static PerlInterpreter *perl;
|
|
|
509 #endif
|
|
|
510
|
|
148
|
511 #ifdef NGX_PERL_MODULES
|
|
|
512 if (pmcf->modules.data == NULL) {
|
|
|
513 pmcf->modules.data = NGX_PERL_MODULES;
|
|
|
514 }
|
|
|
515 #endif
|
|
|
516
|
|
188
|
517 if (pmcf->modules.data) {
|
|
|
518 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) {
|
|
|
519 return NGX_CONF_ERROR;
|
|
|
520 }
|
|
178
|
521 }
|
|
|
522
|
|
198
|
523 #if !(NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
524
|
|
|
525 if (perl) {
|
|
202
|
526 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log)
|
|
|
527 != NGX_OK)
|
|
|
528 {
|
|
198
|
529 return NGX_CONF_ERROR;
|
|
|
530 }
|
|
|
531
|
|
|
532 pmcf->perl = perl;
|
|
|
533
|
|
|
534 return NGX_CONF_OK;
|
|
|
535 }
|
|
|
536
|
|
|
537 #endif
|
|
|
538
|
|
148
|
539 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
540
|
|
|
541 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log);
|
|
|
542
|
|
|
543 if (pmcf->perl == NULL) {
|
|
|
544 PERL_SYS_TERM();
|
|
|
545 return NGX_CONF_ERROR;
|
|
|
546 }
|
|
|
547
|
|
198
|
548 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
549
|
|
148
|
550 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
551 cln->data = pmcf->perl;
|
|
|
552
|
|
198
|
553 #else
|
|
|
554
|
|
|
555 perl = pmcf->perl;
|
|
|
556
|
|
|
557 #endif
|
|
|
558
|
|
148
|
559 return NGX_CONF_OK;
|
|
|
560 }
|
|
|
561
|
|
|
562
|
|
|
563 static PerlInterpreter *
|
|
|
564 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
565 ngx_log_t *log)
|
|
|
566 {
|
|
|
567 int n;
|
|
|
568 char *embedding[6];
|
|
|
569 PerlInterpreter *perl;
|
|
|
570
|
|
|
571 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter");
|
|
|
572
|
|
|
573 #if (NGX_HAVE_PERL_CLONE)
|
|
|
574
|
|
|
575 if (pmcf->perl) {
|
|
|
576
|
|
|
577 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE);
|
|
|
578 if (perl == NULL) {
|
|
|
579 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed");
|
|
|
580 return NULL;
|
|
|
581 }
|
|
|
582
|
|
|
583 {
|
|
|
584
|
|
|
585 dTHXa(perl);
|
|
|
586
|
|
|
587 ptr_table_free(PL_ptr_table);
|
|
|
588 PL_ptr_table = NULL;
|
|
|
589
|
|
|
590 }
|
|
|
591
|
|
|
592 pmcf->nalloc++;
|
|
|
593
|
|
|
594 return perl;
|
|
|
595 }
|
|
|
596
|
|
|
597 #endif
|
|
|
598
|
|
|
599 perl = perl_alloc();
|
|
|
600 if (perl == NULL) {
|
|
|
601 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed");
|
|
|
602 return NULL;
|
|
|
603 }
|
|
|
604
|
|
|
605 perl_construct(perl);
|
|
|
606
|
|
|
607 {
|
|
|
608
|
|
|
609 dTHXa(perl);
|
|
|
610
|
|
|
611 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
612 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
613 #endif
|
|
|
614
|
|
|
615 embedding[0] = "";
|
|
|
616
|
|
|
617 if (pmcf->modules.data) {
|
|
|
618 embedding[1] = "-I";
|
|
|
619 embedding[2] = (char *) pmcf->modules.data;
|
|
|
620 n = 3;
|
|
|
621
|
|
|
622 } else {
|
|
|
623 n = 1;
|
|
|
624 }
|
|
|
625
|
|
|
626 embedding[n++] = "-Mnginx";
|
|
|
627 embedding[n++] = "-e";
|
|
|
628 embedding[n++] = "0";
|
|
|
629
|
|
|
630 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
631
|
|
|
632 if (n != 0) {
|
|
|
633 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n);
|
|
|
634 goto fail;
|
|
|
635 }
|
|
|
636
|
|
202
|
637 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) {
|
|
198
|
638 goto fail;
|
|
148
|
639 }
|
|
|
640
|
|
|
641 }
|
|
|
642
|
|
|
643 pmcf->nalloc++;
|
|
|
644
|
|
|
645 return perl;
|
|
|
646
|
|
|
647 fail:
|
|
|
648
|
|
|
649 (void) perl_destruct(perl);
|
|
|
650
|
|
|
651 perl_free(perl);
|
|
|
652
|
|
|
653 return NULL;
|
|
|
654 }
|
|
|
655
|
|
|
656
|
|
198
|
657 static ngx_int_t
|
|
202
|
658 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
|
198
|
659 {
|
|
|
660 char **script;
|
|
|
661 STRLEN len;
|
|
|
662 ngx_str_t err;
|
|
|
663 ngx_uint_t i;
|
|
|
664
|
|
|
665 script = requires->elts;
|
|
|
666 for (i = 0; i < requires->nelts; i++) {
|
|
|
667
|
|
|
668 require_pv(script[i]);
|
|
|
669
|
|
|
670 if (SvTRUE(ERRSV)) {
|
|
|
671
|
|
|
672 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
673 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
674 /* void */
|
|
|
675 }
|
|
|
676 err.len = len + 1;
|
|
|
677
|
|
|
678 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
679 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
|
680
|
|
|
681 return NGX_ERROR;
|
|
|
682 }
|
|
|
683 }
|
|
|
684
|
|
|
685 return NGX_OK;
|
|
|
686 }
|
|
|
687
|
|
|
688
|
|
148
|
689 static ngx_int_t
|
|
|
690 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub,
|
|
|
691 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
|
692 {
|
|
|
693 SV *sv;
|
|
|
694 int n, status;
|
|
|
695 char *line;
|
|
|
696 STRLEN len, n_a;
|
|
|
697 ngx_str_t err;
|
|
|
698 ngx_uint_t i;
|
|
|
699
|
|
|
700 dSP;
|
|
|
701
|
|
|
702 status = 0;
|
|
|
703
|
|
|
704 ENTER;
|
|
|
705 SAVETMPS;
|
|
|
706
|
|
|
707 PUSHMARK(sp);
|
|
|
708
|
|
182
|
709 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash));
|
|
148
|
710 XPUSHs(sv);
|
|
|
711
|
|
|
712 if (args) {
|
|
|
713 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
714
|
|
|
715 EXTEND(sp, (int) i);
|
|
|
716
|
|
|
717 for (i = 0; args[i]; i++) {
|
|
|
718 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len)));
|
|
|
719 }
|
|
|
720 }
|
|
|
721
|
|
|
722 PUTBACK;
|
|
|
723
|
|
|
724 n = call_sv(sub, G_EVAL);
|
|
|
725
|
|
|
726 SPAGAIN;
|
|
|
727
|
|
|
728 if (n) {
|
|
|
729 if (rv == NULL) {
|
|
|
730 status = POPi;
|
|
|
731
|
|
|
732 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
733 "call_sv: %d", status);
|
|
|
734
|
|
|
735 } else {
|
|
168
|
736 line = SvPVx(POPs, n_a);
|
|
148
|
737 rv->len = n_a;
|
|
|
738
|
|
|
739 rv->data = ngx_palloc(r->pool, n_a);
|
|
|
740 if (rv->data == NULL) {
|
|
|
741 return NGX_ERROR;
|
|
|
742 }
|
|
|
743
|
|
|
744 ngx_memcpy(rv->data, line, n_a);
|
|
|
745 }
|
|
|
746 }
|
|
|
747
|
|
|
748 PUTBACK;
|
|
|
749
|
|
|
750 FREETMPS;
|
|
|
751 LEAVE;
|
|
|
752
|
|
|
753 /* check $@ */
|
|
|
754
|
|
|
755 if (SvTRUE(ERRSV)) {
|
|
|
756
|
|
|
757 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
758 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
759 /* void */
|
|
|
760 }
|
|
|
761 err.len = len + 1;
|
|
|
762
|
|
|
763 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
764 "call_sv(\"%V\") failed: \"%V\"",
|
|
|
765 handler, &err);
|
|
|
766
|
|
|
767 if (rv) {
|
|
|
768 return NGX_ERROR;
|
|
|
769 }
|
|
|
770
|
|
|
771 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
772 }
|
|
|
773
|
|
|
774 if (n != 1) {
|
|
|
775 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
776 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
777 status = NGX_OK;
|
|
|
778 }
|
|
|
779
|
|
|
780 if (rv) {
|
|
|
781 return NGX_OK;
|
|
|
782 }
|
|
|
783
|
|
|
784 return (ngx_int_t) status;
|
|
|
785 }
|
|
|
786
|
|
|
787
|
|
|
788 static void
|
|
|
789 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
790 {
|
|
172
|
791 u_char *p;
|
|
|
792
|
|
|
793 for (p = handler->data; *p; p++) {
|
|
|
794 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
795 break;
|
|
|
796 }
|
|
|
797 }
|
|
|
798
|
|
198
|
799 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) {
|
|
172
|
800 *sv = eval_pv((char *) p, FALSE);
|
|
148
|
801 return;
|
|
|
802 }
|
|
|
803
|
|
|
804 *sv = NULL;
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 static void *
|
|
|
809 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
810 {
|
|
|
811 ngx_http_perl_main_conf_t *pmcf;
|
|
|
812
|
|
|
813 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
814 if (pmcf == NULL) {
|
|
|
815 return NGX_CONF_ERROR;
|
|
|
816 }
|
|
|
817
|
|
|
818 pmcf->interp_max = NGX_CONF_UNSET_UINT;
|
|
|
819
|
|
|
820 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
|
821 != NGX_OK)
|
|
|
822 {
|
|
|
823 return NULL;
|
|
|
824 }
|
|
|
825
|
|
|
826 return pmcf;
|
|
|
827 }
|
|
|
828
|
|
|
829
|
|
|
830 static char *
|
|
|
831 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
832 {
|
|
|
833 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
834
|
|
|
835 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
212
|
836 ngx_conf_init_uint_value(pmcf->interp_max, 10);
|
|
148
|
837 #else
|
|
212
|
838 ngx_conf_init_uint_value(pmcf->interp_max, 1);
|
|
148
|
839 #endif
|
|
|
840
|
|
|
841 pmcf->free_perls = ngx_pcalloc(cf->pool,
|
|
|
842 pmcf->interp_max * sizeof(PerlInterpreter *));
|
|
|
843 if (pmcf->free_perls == NULL) {
|
|
|
844 return NGX_CONF_ERROR;
|
|
|
845 }
|
|
|
846
|
|
|
847 if (pmcf->perl == NULL) {
|
|
|
848 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
849 return NGX_CONF_ERROR;
|
|
|
850 }
|
|
|
851 }
|
|
|
852
|
|
|
853 #if !(NGX_HAVE_PERL_CLONE)
|
|
|
854 ngx_http_perl_free_interpreter(pmcf, pmcf->perl);
|
|
|
855 #endif
|
|
|
856
|
|
|
857 return NGX_CONF_OK;
|
|
|
858 }
|
|
|
859
|
|
|
860
|
|
198
|
861 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
862
|
|
148
|
863 static void
|
|
|
864 ngx_http_perl_cleanup_perl(void *data)
|
|
|
865 {
|
|
198
|
866 PerlInterpreter *perl = data;
|
|
148
|
867
|
|
|
868 (void) perl_destruct(perl);
|
|
|
869
|
|
|
870 perl_free(perl);
|
|
|
871
|
|
|
872 PERL_SYS_TERM();
|
|
|
873 }
|
|
|
874
|
|
198
|
875 #endif
|
|
|
876
|
|
|
877
|
|
|
878 static void
|
|
|
879 ngx_http_perl_cleanup_sv(void *data)
|
|
|
880 {
|
|
202
|
881 ngx_http_perl_cleanup_t *cln = data;
|
|
198
|
882
|
|
202
|
883 dTHXa(cln->perl);
|
|
|
884
|
|
|
885 SvREFCNT_dec(cln->sv);
|
|
198
|
886 }
|
|
|
887
|
|
148
|
888
|
|
|
889 static ngx_int_t
|
|
|
890 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
891 {
|
|
166
|
892 #if (NGX_HTTP_SSI)
|
|
148
|
893 ngx_int_t rc;
|
|
|
894 ngx_http_ssi_main_conf_t *smcf;
|
|
|
895
|
|
|
896 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
897
|
|
|
898 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
899 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
900
|
|
|
901 if (rc != NGX_OK) {
|
|
|
902 if (rc == NGX_BUSY) {
|
|
|
903 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
904 "conflicting SSI command \"%V\"",
|
|
|
905 &ngx_http_perl_ssi_command.name);
|
|
|
906 }
|
|
|
907
|
|
|
908 return NGX_ERROR;
|
|
|
909 }
|
|
166
|
910 #endif
|
|
148
|
911
|
|
|
912 return NGX_OK;
|
|
|
913 }
|
|
|
914
|
|
|
915
|
|
|
916 static void *
|
|
|
917 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
918 {
|
|
|
919 ngx_http_perl_loc_conf_t *plcf;
|
|
|
920
|
|
|
921 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
922 if (plcf == NULL) {
|
|
|
923 return NGX_CONF_ERROR;
|
|
|
924 }
|
|
|
925
|
|
|
926 /*
|
|
|
927 * set by ngx_pcalloc():
|
|
|
928 *
|
|
|
929 * plcf->handler = { 0, NULL };
|
|
|
930 */
|
|
|
931
|
|
|
932 return plcf;
|
|
|
933 }
|
|
|
934
|
|
|
935
|
|
|
936 static char *
|
|
|
937 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
938 {
|
|
|
939 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
940 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
941
|
|
|
942 if (conf->sub == NULL) {
|
|
|
943 conf->sub = prev->sub;
|
|
|
944 conf->handler = prev->handler;
|
|
|
945 }
|
|
|
946
|
|
|
947 return NGX_CONF_OK;
|
|
|
948 }
|
|
|
949
|
|
|
950
|
|
|
951 static char *
|
|
|
952 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
953 {
|
|
|
954 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
955
|
|
|
956 u_char **p;
|
|
|
957 ngx_str_t *value;
|
|
|
958
|
|
|
959 value = cf->args->elts;
|
|
|
960
|
|
|
961 p = ngx_array_push(&pmcf->requires);
|
|
|
962
|
|
|
963 if (p == NULL) {
|
|
|
964 return NGX_CONF_ERROR;
|
|
|
965 }
|
|
|
966
|
|
|
967 *p = value[1].data;
|
|
|
968
|
|
|
969 return NGX_CONF_OK;
|
|
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 static char *
|
|
|
974 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
975 {
|
|
|
976 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
977
|
|
|
978 ngx_str_t *value;
|
|
198
|
979 ngx_pool_cleanup_t *cln;
|
|
202
|
980 ngx_http_perl_cleanup_t *pcln;
|
|
148
|
981 ngx_http_core_loc_conf_t *clcf;
|
|
|
982 ngx_http_perl_main_conf_t *pmcf;
|
|
|
983
|
|
|
984 value = cf->args->elts;
|
|
|
985
|
|
|
986 if (plcf->handler.data) {
|
|
|
987 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
988 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
989 return NGX_CONF_ERROR;
|
|
|
990 }
|
|
|
991
|
|
|
992 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
993
|
|
|
994 if (pmcf->perl == NULL) {
|
|
|
995 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
996 return NGX_CONF_ERROR;
|
|
|
997 }
|
|
|
998 }
|
|
|
999
|
|
202
|
1000 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t));
|
|
198
|
1001 if (cln == NULL) {
|
|
|
1002 return NGX_CONF_ERROR;
|
|
|
1003 }
|
|
|
1004
|
|
148
|
1005 plcf->handler = value[1];
|
|
|
1006
|
|
|
1007 {
|
|
|
1008
|
|
|
1009 dTHXa(pmcf->perl);
|
|
|
1010
|
|
|
1011 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
1012
|
|
|
1013 if (plcf->sub == &PL_sv_undef) {
|
|
|
1014 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1015 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
1016 return NGX_CONF_ERROR;
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 if (plcf->sub == NULL) {
|
|
|
1020 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 }
|
|
|
1024
|
|
198
|
1025 cln->handler = ngx_http_perl_cleanup_sv;
|
|
202
|
1026 pcln = cln->data;
|
|
|
1027 pcln->sv = plcf->sub;
|
|
|
1028 pcln->perl = pmcf->perl;
|
|
198
|
1029
|
|
148
|
1030 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1031 clcf->handler = ngx_http_perl_handler;
|
|
|
1032
|
|
|
1033 return NGX_CONF_OK;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036
|
|
|
1037 static char *
|
|
|
1038 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1039 {
|
|
|
1040 ngx_int_t index;
|
|
|
1041 ngx_str_t *value;
|
|
198
|
1042 ngx_pool_cleanup_t *cln;
|
|
148
|
1043 ngx_http_variable_t *v;
|
|
202
|
1044 ngx_http_perl_cleanup_t *pcln;
|
|
148
|
1045 ngx_http_perl_variable_t *pv;
|
|
|
1046 ngx_http_perl_main_conf_t *pmcf;
|
|
|
1047
|
|
|
1048 value = cf->args->elts;
|
|
|
1049
|
|
|
1050 if (value[1].data[0] != '$') {
|
|
|
1051 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1052 "invalid variable name \"%V\"", &value[1]);
|
|
|
1053 return NGX_CONF_ERROR;
|
|
|
1054 }
|
|
|
1055
|
|
|
1056 value[1].len--;
|
|
|
1057 value[1].data++;
|
|
|
1058
|
|
|
1059 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
|
1060 if (v == NULL) {
|
|
|
1061 return NGX_CONF_ERROR;
|
|
|
1062 }
|
|
|
1063
|
|
|
1064 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
1065 if (pv == NULL) {
|
|
|
1066 return NGX_CONF_ERROR;
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
1070 if (index == NGX_ERROR) {
|
|
|
1071 return NGX_CONF_ERROR;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
1075
|
|
|
1076 if (pmcf->perl == NULL) {
|
|
|
1077 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
1078 return NGX_CONF_ERROR;
|
|
|
1079 }
|
|
|
1080 }
|
|
|
1081
|
|
202
|
1082 cln = ngx_pool_cleanup_add(cf->pool, sizeof(ngx_http_perl_cleanup_t));
|
|
198
|
1083 if (cln == NULL) {
|
|
|
1084 return NGX_CONF_ERROR;
|
|
|
1085 }
|
|
|
1086
|
|
148
|
1087 pv->handler = value[2];
|
|
|
1088
|
|
|
1089 {
|
|
|
1090
|
|
|
1091 dTHXa(pmcf->perl);
|
|
|
1092
|
|
|
1093 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
1094
|
|
|
1095 if (pv->sub == &PL_sv_undef) {
|
|
|
1096 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1097 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
1098 return NGX_CONF_ERROR;
|
|
|
1099 }
|
|
|
1100
|
|
|
1101 if (pv->sub == NULL) {
|
|
|
1102 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 }
|
|
|
1106
|
|
198
|
1107 cln->handler = ngx_http_perl_cleanup_sv;
|
|
202
|
1108 pcln = cln->data;
|
|
|
1109 pcln->sv = pv->sub;
|
|
|
1110 pcln->perl = pmcf->perl;
|
|
198
|
1111
|
|
186
|
1112 v->get_handler = ngx_http_perl_variable;
|
|
148
|
1113 v->data = (uintptr_t) pv;
|
|
|
1114
|
|
|
1115 return NGX_CONF_OK;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118
|
|
|
1119 static char *
|
|
|
1120 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data)
|
|
|
1121 {
|
|
|
1122 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
1123
|
|
|
1124 return NGX_CONF_OK;
|
|
|
1125
|
|
|
1126 #else
|
|
|
1127
|
|
|
1128 return "to use perl_interp_max you have to build perl with "
|
|
|
1129 "-Dusemultiplicity or -Dusethreads options";
|
|
|
1130
|
|
|
1131 #endif
|
|
|
1132 }
|
