148
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <ngx_http_perl_module.h>
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11
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12
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13 typedef struct {
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14 PerlInterpreter *perl;
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258
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15 HV *nginx;
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544
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16 ngx_array_t *modules;
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17 ngx_array_t *requires;
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148
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18 } ngx_http_perl_main_conf_t;
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19
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20
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21 typedef struct {
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22 SV *sub;
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23 ngx_str_t handler;
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24 } ngx_http_perl_loc_conf_t;
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25
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26
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27 typedef struct {
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28 SV *sub;
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29 ngx_str_t handler;
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30 } ngx_http_perl_variable_t;
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31
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32
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202
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33 typedef struct {
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34 SV *sv;
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35 PerlInterpreter *perl;
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36 } ngx_http_perl_cleanup_t;
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37
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38
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166
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39 #if (NGX_HTTP_SSI)
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148
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40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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42 #endif
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43
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148
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44 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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45 ngx_http_perl_main_conf_t *pmcf);
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278
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46 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf,
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47 ngx_http_perl_main_conf_t *pmcf);
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202
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48 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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49 ngx_log_t *log);
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148
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50 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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366
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51 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv);
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148
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52 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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53
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54 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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55 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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56 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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57 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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58 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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59 void *child);
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60 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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61 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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258
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62
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63 #if (NGX_HAVE_PERL_MULTIPLICITY)
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148
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64 static void ngx_http_perl_cleanup_perl(void *data);
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198
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65 #endif
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148
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66
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314
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67 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle);
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306
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68 static void ngx_http_perl_exit(ngx_cycle_t *cycle);
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69
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148
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70
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71 static ngx_command_t ngx_http_perl_commands[] = {
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72
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73 { ngx_string("perl_modules"),
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74 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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544
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75 ngx_conf_set_str_array_slot,
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148
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76 NGX_HTTP_MAIN_CONF_OFFSET,
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77 offsetof(ngx_http_perl_main_conf_t, modules),
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78 NULL },
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79
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80 { ngx_string("perl_require"),
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81 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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544
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82 ngx_conf_set_str_array_slot,
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148
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83 NGX_HTTP_MAIN_CONF_OFFSET,
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544
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84 offsetof(ngx_http_perl_main_conf_t, requires),
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85 NULL },
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86
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87 { ngx_string("perl"),
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268
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88 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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148
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89 ngx_http_perl,
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90 NGX_HTTP_LOC_CONF_OFFSET,
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91 0,
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92 NULL },
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93
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94 { ngx_string("perl_set"),
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95 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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96 ngx_http_perl_set,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 0,
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99 NULL },
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100
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101 ngx_null_command
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102 };
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103
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104
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105 static ngx_http_module_t ngx_http_perl_module_ctx = {
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106 ngx_http_perl_preconfiguration, /* preconfiguration */
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107 NULL, /* postconfiguration */
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108
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109 ngx_http_perl_create_main_conf, /* create main configuration */
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110 ngx_http_perl_init_main_conf, /* init main configuration */
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111
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112 NULL, /* create server configuration */
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113 NULL, /* merge server configuration */
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114
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115 ngx_http_perl_create_loc_conf, /* create location configuration */
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116 ngx_http_perl_merge_loc_conf /* merge location configuration */
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117 };
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118
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119
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120 ngx_module_t ngx_http_perl_module = {
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121 NGX_MODULE_V1,
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122 &ngx_http_perl_module_ctx, /* module context */
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123 ngx_http_perl_commands, /* module directives */
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124 NGX_HTTP_MODULE, /* module type */
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125 NULL, /* init master */
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126 NULL, /* init module */
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314
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127 ngx_http_perl_init_worker, /* init process */
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148
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128 NULL, /* init thread */
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129 NULL, /* exit thread */
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130 NULL, /* exit process */
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306
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131 ngx_http_perl_exit, /* exit master */
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148
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132 NGX_MODULE_V1_PADDING
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133 };
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134
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135
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166
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136 #if (NGX_HTTP_SSI)
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137
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148
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138 #define NGX_HTTP_PERL_SSI_SUB 0
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139 #define NGX_HTTP_PERL_SSI_ARG 1
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140
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141
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142 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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143 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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144 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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145 { ngx_null_string, 0, 0, 0 }
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146 };
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147
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148 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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149 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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150 };
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151
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166
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152 #endif
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153
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148
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154
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489
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155 static ngx_str_t ngx_null_name = ngx_null_string;
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156
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157 static HV *nginx_stash;
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230
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158
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489
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159 #if (NGX_HAVE_PERL_MULTIPLICITY)
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160 static ngx_uint_t ngx_perl_term;
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161 #endif
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230
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162
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182
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163
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148
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164 static void
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165 ngx_http_perl_xs_init(pTHX)
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166 {
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167 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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168
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169 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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170 }
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171
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172
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173 static ngx_int_t
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174 ngx_http_perl_handler(ngx_http_request_t *r)
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175 {
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178
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176 if (r->zero_in_uri) {
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177 return NGX_HTTP_NOT_FOUND;
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178 }
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179
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535
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180 r->main->count++;
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181
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230
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182 ngx_http_perl_handle_request(r);
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183
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184 return NGX_DONE;
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178
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185 }
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186
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187
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230
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188 void
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178
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189 ngx_http_perl_handle_request(ngx_http_request_t *r)
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190 {
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230
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191 SV *sub;
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192 ngx_int_t rc;
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230
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193 ngx_str_t uri, args, *handler;
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194 ngx_http_perl_ctx_t *ctx;
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195 ngx_http_perl_loc_conf_t *plcf;
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196 ngx_http_perl_main_conf_t *pmcf;
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197
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198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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199
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200 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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201
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202 if (ctx == NULL) {
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203 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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204 if (ctx == NULL) {
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230
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205 ngx_http_finalize_request(r, NGX_ERROR);
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274
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206 return;
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148
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207 }
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208
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209 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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210 }
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211
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212 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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213
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214 {
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215
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258
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216 dTHXa(pmcf->perl);
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217 PERL_SET_CONTEXT(pmcf->perl);
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218
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230
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219 if (ctx->next == NULL) {
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220 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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221 sub = plcf->sub;
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222 handler = &plcf->handler;
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148
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223
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230
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224 } else {
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225 sub = ctx->next;
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226 handler = &ngx_null_name;
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227 ctx->next = NULL;
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228 }
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229
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258
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230 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler,
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231 NULL);
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232
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233 }
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234
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535
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235 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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236 "perl handler done: %i", rc);
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237
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356
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238 if (rc == NGX_DONE) {
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537
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239 ngx_http_finalize_request(r, rc);
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356
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240 return;
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241 }
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242
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148
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243 if (rc > 600) {
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244 rc = NGX_OK;
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245 }
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246
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247 if (ctx->redirect_uri.len) {
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248 uri = ctx->redirect_uri;
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249 args = ctx->redirect_args;
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178
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250
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251 } else {
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252 uri.len = 0;
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148
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253 }
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254
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182
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255 ctx->filename.data = NULL;
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256 ctx->redirect_uri.len = 0;
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257
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230
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258 if (ctx->done || ctx->next) {
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537
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259 ngx_http_finalize_request(r, NGX_DONE);
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230
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260 return;
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261 }
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262
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148
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263 if (uri.len) {
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178
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264 ngx_http_internal_redirect(r, &uri, &args);
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265 ngx_http_finalize_request(r, NGX_DONE);
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178
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266 return;
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148
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267 }
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268
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269 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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270 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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271 ctx->done = 1;
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148
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272 }
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273
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178
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274 ngx_http_finalize_request(r, rc);
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148
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275 }
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276
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277
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366
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278 void
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266
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279 ngx_http_perl_sleep_handler(ngx_http_request_t *r)
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280 {
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281 ngx_event_t *wev;
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282
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283 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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284 "perl sleep handler");
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285
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286 wev = r->connection->write;
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287
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288 if (wev->timedout) {
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289 wev->timedout = 0;
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290 ngx_http_perl_handle_request(r);
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291 return;
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292 }
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293
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439
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294 if (ngx_handle_write_event(wev, 0) != NGX_OK) {
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266
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295 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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296 }
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297 }
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298
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299
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148
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300 static ngx_int_t
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301 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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302 uintptr_t data)
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303 {
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304 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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305
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306 ngx_int_t rc;
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307 ngx_str_t value;
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308 ngx_http_perl_ctx_t *ctx;
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309 ngx_http_perl_main_conf_t *pmcf;
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310
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311 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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312 "perl variable handler");
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313
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314 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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315
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316 if (ctx == NULL) {
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317 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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318 if (ctx == NULL) {
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319 return NGX_ERROR;
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320 }
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321
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322 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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323 }
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324
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325 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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326
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327 value.data = NULL;
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328
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329 {
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330
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258
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331 dTHXa(pmcf->perl);
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332 PERL_SET_CONTEXT(pmcf->perl);
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148
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333
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258
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334 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL,
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148
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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 if (value.data) {
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340 v->len = value.len;
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341 v->valid = 1;
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340
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342 v->no_cacheable = 0;
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148
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343 v->not_found = 0;
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344 v->data = value.data;
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345
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346 } else {
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347 v->not_found = 1;
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348 }
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349
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182
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350 ctx->filename.data = NULL;
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148
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351 ctx->redirect_uri.len = 0;
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352
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258
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353 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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354 "perl variable done");
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355
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148
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356 return rc;
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357 }
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358
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359
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166
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360 #if (NGX_HTTP_SSI)
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361
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148
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362 static ngx_int_t
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363 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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364 ngx_str_t **params)
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365 {
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366
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366 SV *sv, **asv;
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148
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367 ngx_int_t rc;
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366
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368 ngx_str_t *handler, **args;
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369 ngx_uint_t i;
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148
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370 ngx_http_perl_ctx_t *ctx;
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371 ngx_http_perl_main_conf_t *pmcf;
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372
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373 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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374 "perl ssi handler");
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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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258
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387 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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148
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388
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389 ctx->ssi = ssi_ctx;
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390
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391 handler = params[NGX_HTTP_PERL_SSI_SUB];
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392 handler->data[handler->len] = '\0';
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393
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394 {
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395
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258
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396 dTHXa(pmcf->perl);
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397 PERL_SET_CONTEXT(pmcf->perl);
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148
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398
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200
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399 #if 0
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400
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401 /* the code is disabled to force the precompiled perl code using only */
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402
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403 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
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404
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405 if (sv == &PL_sv_undef) {
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406 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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407 "eval_pv(\"%V\") failed", handler);
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408 return NGX_ERROR;
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409 }
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410
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411 if (sv == NULL) {
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412 sv = newSVpvn((char *) handler->data, handler->len);
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413 }
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414
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415 #endif
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416
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148
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417 sv = newSVpvn((char *) handler->data, handler->len);
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418
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366
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419 args = ¶ms[NGX_HTTP_PERL_SSI_ARG];
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420
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421 if (args) {
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422
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423 for (i = 0; args[i]; i++) { /* void */ }
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424
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425 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *));
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426
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427 if (asv == NULL) {
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428 SvREFCNT_dec(sv);
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429 return NGX_ERROR;
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430 }
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431
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432 asv[0] = (SV *) i;
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433
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434 for (i = 0; args[i]; i++) {
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435 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len);
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436 }
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437
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438 } else {
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439 asv = NULL;
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440 }
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441
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442 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler,
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443 NULL);
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148
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444
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445 SvREFCNT_dec(sv);
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446
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447 }
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448
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182
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449 ctx->filename.data = NULL;
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148
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450 ctx->redirect_uri.len = 0;
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451 ctx->ssi = NULL;
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452
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258
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453 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done");
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454
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148
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455 return rc;
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456 }
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457
|
166
|
458 #endif
|
|
459
|
148
|
460
|
|
461 static char *
|
|
462 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
463 {
|
544
|
464 ngx_str_t *m;
|
|
465 ngx_uint_t i;
|
258
|
466 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
544
|
467 ngx_pool_cleanup_t *cln;
|
148
|
468
|
|
469 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
470 if (cln == NULL) {
|
|
471 return NGX_CONF_ERROR;
|
|
472 }
|
|
473
|
198
|
474 #else
|
|
475 static PerlInterpreter *perl;
|
|
476 #endif
|
|
477
|
148
|
478 #ifdef NGX_PERL_MODULES
|
544
|
479 if (pmcf->modules == NGX_CONF_UNSET_PTR) {
|
|
480
|
|
481 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
482 if (pmcf->modules == NULL) {
|
|
483 return NGX_CONF_ERROR;
|
|
484 }
|
|
485
|
|
486 m = ngx_array_push(pmcf->modules);
|
|
487 if (m == NULL) {
|
|
488 return NGX_CONF_ERROR;
|
|
489 }
|
|
490
|
|
491 m->len = sizeof(NGX_PERL_MODULES) - 1;
|
|
492 m->data = NGX_PERL_MODULES;
|
148
|
493 }
|
|
494 #endif
|
|
495
|
544
|
496 if (pmcf->modules != NGX_CONF_UNSET_PTR) {
|
|
497 m = pmcf->modules->elts;
|
|
498 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
499 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) {
|
|
500 return NGX_CONF_ERROR;
|
|
501 }
|
188
|
502 }
|
178
|
503 }
|
|
504
|
258
|
505 #if !(NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
506
|
|
507 if (perl) {
|
296
|
508
|
|
509 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
510 return NGX_CONF_ERROR;
|
|
511 }
|
|
512
|
544
|
513 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log)
|
202
|
514 != NGX_OK)
|
|
515 {
|
198
|
516 return NGX_CONF_ERROR;
|
|
517 }
|
|
518
|
|
519 pmcf->perl = perl;
|
296
|
520 pmcf->nginx = nginx_stash;
|
198
|
521
|
|
522 return NGX_CONF_OK;
|
|
523 }
|
|
524
|
|
525 #endif
|
|
526
|
306
|
527 if (nginx_stash == NULL) {
|
|
528 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
529 }
|
148
|
530
|
278
|
531 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf);
|
148
|
532
|
|
533 if (pmcf->perl == NULL) {
|
|
534 return NGX_CONF_ERROR;
|
|
535 }
|
|
536
|
258
|
537 pmcf->nginx = nginx_stash;
|
|
538
|
|
539 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
540
|
148
|
541 cln->handler = ngx_http_perl_cleanup_perl;
|
|
542 cln->data = pmcf->perl;
|
|
543
|
198
|
544 #else
|
|
545
|
|
546 perl = pmcf->perl;
|
|
547
|
|
548 #endif
|
|
549
|
148
|
550 return NGX_CONF_OK;
|
|
551 }
|
|
552
|
|
553
|
|
554 static PerlInterpreter *
|
278
|
555 ngx_http_perl_create_interpreter(ngx_conf_t *cf,
|
|
556 ngx_http_perl_main_conf_t *pmcf)
|
148
|
557 {
|
|
558 int n;
|
248
|
559 STRLEN len;
|
|
560 SV *sv;
|
544
|
561 char *ver, **embedding;
|
|
562 ngx_str_t *m;
|
|
563 ngx_uint_t i;
|
148
|
564 PerlInterpreter *perl;
|
|
565
|
278
|
566 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter");
|
|
567
|
|
568 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
569 return NULL;
|
|
570 }
|
148
|
571
|
|
572 perl = perl_alloc();
|
|
573 if (perl == NULL) {
|
278
|
574 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed");
|
148
|
575 return NULL;
|
|
576 }
|
|
577
|
|
578 {
|
|
579
|
|
580 dTHXa(perl);
|
258
|
581 PERL_SET_CONTEXT(perl);
|
|
582
|
|
583 perl_construct(perl);
|
148
|
584
|
|
585 #ifdef PERL_EXIT_DESTRUCT_END
|
|
586 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
587 #endif
|
|
588
|
544
|
589 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0;
|
|
590
|
|
591 embedding = ngx_palloc(cf->pool, (4 + n) * sizeof(char *));
|
|
592 if (embedding == NULL) {
|
|
593 goto fail;
|
|
594 }
|
|
595
|
148
|
596 embedding[0] = "";
|
|
597
|
544
|
598 if (n++) {
|
|
599 m = pmcf->modules->elts;
|
|
600 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
601 embedding[2 * i + 1] = "-I";
|
|
602 embedding[2 * i + 2] = (char *) m[i].data;
|
|
603 }
|
148
|
604 }
|
|
605
|
|
606 embedding[n++] = "-Mnginx";
|
|
607 embedding[n++] = "-e";
|
|
608 embedding[n++] = "0";
|
|
609
|
|
610 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
611
|
|
612 if (n != 0) {
|
278
|
613 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n);
|
148
|
614 goto fail;
|
|
615 }
|
|
616
|
248
|
617 sv = get_sv("nginx::VERSION", FALSE);
|
|
618 ver = SvPV(sv, len);
|
|
619
|
|
620 if (ngx_strcmp(ver, NGINX_VERSION) != 0) {
|
278
|
621 ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
|
248
|
622 "version " NGINX_VERSION " of nginx.pm is required, "
|
|
623 "but %s was found", ver);
|
|
624 goto fail;
|
|
625 }
|
|
626
|
544
|
627 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) {
|
198
|
628 goto fail;
|
148
|
629 }
|
|
630
|
|
631 }
|
|
632
|
|
633 return perl;
|
|
634
|
|
635 fail:
|
|
636
|
|
637 (void) perl_destruct(perl);
|
|
638
|
|
639 perl_free(perl);
|
|
640
|
|
641 return NULL;
|
|
642 }
|
|
643
|
|
644
|
198
|
645 static ngx_int_t
|
202
|
646 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
198
|
647 {
|
544
|
648 u_char *err;
|
198
|
649 STRLEN len;
|
544
|
650 ngx_str_t *script;
|
198
|
651 ngx_uint_t i;
|
|
652
|
544
|
653 if (requires == NGX_CONF_UNSET_PTR) {
|
|
654 return NGX_OK;
|
|
655 }
|
|
656
|
198
|
657 script = requires->elts;
|
|
658 for (i = 0; i < requires->nelts; i++) {
|
|
659
|
544
|
660 require_pv((char *) script[i].data);
|
198
|
661
|
|
662 if (SvTRUE(ERRSV)) {
|
|
663
|
544
|
664 err = (u_char *) SvPV(ERRSV, len);
|
|
665 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
198
|
666
|
|
667 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
544
|
668 "require_pv(\"%s\") failed: \"%*s\"",
|
|
669 script[i].data, len + 1, err);
|
198
|
670
|
|
671 return NGX_ERROR;
|
|
672 }
|
|
673 }
|
|
674
|
|
675 return NGX_OK;
|
|
676 }
|
|
677
|
|
678
|
148
|
679 static ngx_int_t
|
258
|
680 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub,
|
366
|
681 SV **args, ngx_str_t *handler, ngx_str_t *rv)
|
148
|
682 {
|
356
|
683 SV *sv;
|
|
684 int n, status;
|
|
685 char *line;
|
544
|
686 u_char *err;
|
356
|
687 STRLEN len, n_a;
|
|
688 ngx_uint_t i;
|
|
689 ngx_connection_t *c;
|
148
|
690
|
|
691 dSP;
|
|
692
|
|
693 status = 0;
|
|
694
|
|
695 ENTER;
|
|
696 SAVETMPS;
|
|
697
|
|
698 PUSHMARK(sp);
|
|
699
|
258
|
700 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx));
|
148
|
701 XPUSHs(sv);
|
|
702
|
|
703 if (args) {
|
370
|
704 EXTEND(sp, (intptr_t) args[0]);
|
148
|
705
|
366
|
706 for (i = 1; i <= (ngx_uint_t) args[0]; i++) {
|
|
707 PUSHs(sv_2mortal(args[i]));
|
148
|
708 }
|
|
709 }
|
|
710
|
|
711 PUTBACK;
|
|
712
|
356
|
713 c = r->connection;
|
|
714
|
148
|
715 n = call_sv(sub, G_EVAL);
|
|
716
|
|
717 SPAGAIN;
|
|
718
|
|
719 if (n) {
|
|
720 if (rv == NULL) {
|
|
721 status = POPi;
|
|
722
|
356
|
723 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
148
|
724 "call_sv: %d", status);
|
|
725
|
|
726 } else {
|
168
|
727 line = SvPVx(POPs, n_a);
|
148
|
728 rv->len = n_a;
|
|
729
|
382
|
730 rv->data = ngx_pnalloc(r->pool, n_a);
|
148
|
731 if (rv->data == NULL) {
|
|
732 return NGX_ERROR;
|
|
733 }
|
|
734
|
|
735 ngx_memcpy(rv->data, line, n_a);
|
|
736 }
|
|
737 }
|
|
738
|
|
739 PUTBACK;
|
|
740
|
|
741 FREETMPS;
|
|
742 LEAVE;
|
|
743
|
|
744 /* check $@ */
|
|
745
|
|
746 if (SvTRUE(ERRSV)) {
|
|
747
|
544
|
748 err = (u_char *) SvPV(ERRSV, len);
|
|
749 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
148
|
750
|
356
|
751 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
544
|
752 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err);
|
148
|
753
|
|
754 if (rv) {
|
|
755 return NGX_ERROR;
|
|
756 }
|
|
757
|
|
758 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
759 }
|
|
760
|
|
761 if (n != 1) {
|
356
|
762 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
148
|
763 "call_sv(\"%V\") returned %d results", handler, n);
|
|
764 status = NGX_OK;
|
|
765 }
|
|
766
|
|
767 if (rv) {
|
|
768 return NGX_OK;
|
|
769 }
|
|
770
|
|
771 return (ngx_int_t) status;
|
|
772 }
|
|
773
|
|
774
|
|
775 static void
|
|
776 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
777 {
|
172
|
778 u_char *p;
|
|
779
|
|
780 for (p = handler->data; *p; p++) {
|
|
781 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
782 break;
|
|
783 }
|
|
784 }
|
|
785
|
540
|
786 if (ngx_strncmp(p, "sub ", 4) == 0
|
|
787 || ngx_strncmp(p, "sub{", 4) == 0
|
|
788 || ngx_strncmp(p, "use ", 4) == 0)
|
|
789 {
|
172
|
790 *sv = eval_pv((char *) p, FALSE);
|
258
|
791
|
|
792 /* eval_pv() does not set ERRSV on failure */
|
|
793
|
148
|
794 return;
|
|
795 }
|
|
796
|
|
797 *sv = NULL;
|
|
798 }
|
|
799
|
|
800
|
|
801 static void *
|
|
802 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
803 {
|
|
804 ngx_http_perl_main_conf_t *pmcf;
|
|
805
|
|
806 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
807 if (pmcf == NULL) {
|
505
|
808 return NULL;
|
148
|
809 }
|
|
810
|
544
|
811 pmcf->modules = NGX_CONF_UNSET_PTR;
|
|
812 pmcf->requires = NGX_CONF_UNSET_PTR;
|
148
|
813
|
|
814 return pmcf;
|
|
815 }
|
|
816
|
|
817
|
|
818 static char *
|
|
819 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
820 {
|
|
821 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
822
|
|
823 if (pmcf->perl == NULL) {
|
|
824 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
825 return NGX_CONF_ERROR;
|
|
826 }
|
|
827 }
|
|
828
|
|
829 return NGX_CONF_OK;
|
|
830 }
|
|
831
|
|
832
|
258
|
833 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
198
|
834
|
148
|
835 static void
|
|
836 ngx_http_perl_cleanup_perl(void *data)
|
|
837 {
|
198
|
838 PerlInterpreter *perl = data;
|
148
|
839
|
258
|
840 PERL_SET_CONTEXT(perl);
|
|
841
|
148
|
842 (void) perl_destruct(perl);
|
|
843
|
|
844 perl_free(perl);
|
489
|
845
|
|
846 if (ngx_perl_term) {
|
|
847 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term");
|
|
848
|
|
849 PERL_SYS_TERM();
|
|
850 }
|
148
|
851 }
|
|
852
|
198
|
853 #endif
|
|
854
|
|
855
|
148
|
856 static ngx_int_t
|
|
857 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
858 {
|
166
|
859 #if (NGX_HTTP_SSI)
|
148
|
860 ngx_int_t rc;
|
|
861 ngx_http_ssi_main_conf_t *smcf;
|
|
862
|
|
863 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
864
|
|
865 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
866 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
867
|
|
868 if (rc != NGX_OK) {
|
|
869 if (rc == NGX_BUSY) {
|
|
870 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
871 "conflicting SSI command \"%V\"",
|
|
872 &ngx_http_perl_ssi_command.name);
|
|
873 }
|
|
874
|
|
875 return NGX_ERROR;
|
|
876 }
|
166
|
877 #endif
|
148
|
878
|
|
879 return NGX_OK;
|
|
880 }
|
|
881
|
|
882
|
|
883 static void *
|
|
884 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
885 {
|
|
886 ngx_http_perl_loc_conf_t *plcf;
|
|
887
|
|
888 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
889 if (plcf == NULL) {
|
505
|
890 return NULL;
|
148
|
891 }
|
|
892
|
|
893 /*
|
|
894 * set by ngx_pcalloc():
|
|
895 *
|
|
896 * plcf->handler = { 0, NULL };
|
|
897 */
|
|
898
|
|
899 return plcf;
|
|
900 }
|
|
901
|
|
902
|
|
903 static char *
|
|
904 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
905 {
|
|
906 ngx_http_perl_loc_conf_t *prev = parent;
|
|
907 ngx_http_perl_loc_conf_t *conf = child;
|
|
908
|
|
909 if (conf->sub == NULL) {
|
|
910 conf->sub = prev->sub;
|
|
911 conf->handler = prev->handler;
|
|
912 }
|
|
913
|
|
914 return NGX_CONF_OK;
|
|
915 }
|
|
916
|
|
917
|
|
918 static char *
|
|
919 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
920 {
|
|
921 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
922
|
|
923 ngx_str_t *value;
|
|
924 ngx_http_core_loc_conf_t *clcf;
|
|
925 ngx_http_perl_main_conf_t *pmcf;
|
|
926
|
|
927 value = cf->args->elts;
|
|
928
|
|
929 if (plcf->handler.data) {
|
|
930 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
931 "duplicate perl handler \"%V\"", &value[1]);
|
|
932 return NGX_CONF_ERROR;
|
|
933 }
|
|
934
|
|
935 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
936
|
|
937 if (pmcf->perl == NULL) {
|
|
938 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
939 return NGX_CONF_ERROR;
|
|
940 }
|
|
941 }
|
|
942
|
|
943 plcf->handler = value[1];
|
|
944
|
|
945 {
|
|
946
|
|
947 dTHXa(pmcf->perl);
|
258
|
948 PERL_SET_CONTEXT(pmcf->perl);
|
148
|
949
|
|
950 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
951
|
|
952 if (plcf->sub == &PL_sv_undef) {
|
|
953 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
954 "eval_pv(\"%V\") failed", &value[1]);
|
|
955 return NGX_CONF_ERROR;
|
|
956 }
|
|
957
|
|
958 if (plcf->sub == NULL) {
|
|
959 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
960 }
|
|
961
|
|
962 }
|
|
963
|
|
964 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
965 clcf->handler = ngx_http_perl_handler;
|
|
966
|
|
967 return NGX_CONF_OK;
|
|
968 }
|
|
969
|
|
970
|
|
971 static char *
|
|
972 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
973 {
|
|
974 ngx_int_t index;
|
|
975 ngx_str_t *value;
|
|
976 ngx_http_variable_t *v;
|
|
977 ngx_http_perl_variable_t *pv;
|
|
978 ngx_http_perl_main_conf_t *pmcf;
|
|
979
|
|
980 value = cf->args->elts;
|
|
981
|
|
982 if (value[1].data[0] != '$') {
|
|
983 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
984 "invalid variable name \"%V\"", &value[1]);
|
|
985 return NGX_CONF_ERROR;
|
|
986 }
|
|
987
|
|
988 value[1].len--;
|
|
989 value[1].data++;
|
|
990
|
340
|
991 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE);
|
148
|
992 if (v == NULL) {
|
|
993 return NGX_CONF_ERROR;
|
|
994 }
|
|
995
|
|
996 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
997 if (pv == NULL) {
|
|
998 return NGX_CONF_ERROR;
|
|
999 }
|
|
1000
|
|
1001 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
1002 if (index == NGX_ERROR) {
|
|
1003 return NGX_CONF_ERROR;
|
|
1004 }
|
|
1005
|
|
1006 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
1007
|
|
1008 if (pmcf->perl == NULL) {
|
|
1009 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
1010 return NGX_CONF_ERROR;
|
|
1011 }
|
|
1012 }
|
|
1013
|
|
1014 pv->handler = value[2];
|
|
1015
|
|
1016 {
|
|
1017
|
|
1018 dTHXa(pmcf->perl);
|
258
|
1019 PERL_SET_CONTEXT(pmcf->perl);
|
148
|
1020
|
|
1021 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
1022
|
|
1023 if (pv->sub == &PL_sv_undef) {
|
|
1024 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
1025 "eval_pv(\"%V\") failed", &value[2]);
|
|
1026 return NGX_CONF_ERROR;
|
|
1027 }
|
|
1028
|
|
1029 if (pv->sub == NULL) {
|
|
1030 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
1031 }
|
|
1032
|
|
1033 }
|
|
1034
|
186
|
1035 v->get_handler = ngx_http_perl_variable;
|
148
|
1036 v->data = (uintptr_t) pv;
|
|
1037
|
|
1038 return NGX_CONF_OK;
|
|
1039 }
|
306
|
1040
|
|
1041
|
314
|
1042 static ngx_int_t
|
|
1043 ngx_http_perl_init_worker(ngx_cycle_t *cycle)
|
|
1044 {
|
|
1045 ngx_http_perl_main_conf_t *pmcf;
|
|
1046
|
|
1047 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
1048
|
489
|
1049 if (pmcf) {
|
|
1050 dTHXa(pmcf->perl);
|
|
1051 PERL_SET_CONTEXT(pmcf->perl);
|
314
|
1052
|
489
|
1053 /* set worker's $$ */
|
314
|
1054
|
489
|
1055 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid);
|
314
|
1056 }
|
|
1057
|
|
1058 return NGX_OK;
|
|
1059 }
|
|
1060
|
370
|
1061
|
306
|
1062 static void
|
|
1063 ngx_http_perl_exit(ngx_cycle_t *cycle)
|
|
1064 {
|
489
|
1065 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
1066
|
|
1067 ngx_perl_term = 1;
|
|
1068
|
|
1069 #else
|
370
|
1070 ngx_http_perl_main_conf_t *pmcf;
|
|
1071
|
|
1072 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
1073
|
489
|
1074 if (pmcf && nginx_stash) {
|
|
1075 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term");
|
370
|
1076
|
489
|
1077 (void) perl_destruct(pmcf->perl);
|
370
|
1078
|
489
|
1079 perl_free(pmcf->perl);
|
370
|
1080
|
489
|
1081 PERL_SYS_TERM();
|
370
|
1082 }
|
489
|
1083
|
|
1084 #endif
|
306
|
1085 }
|