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