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148
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <ngx_http_perl_module.h>
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11
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12
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13 typedef struct {
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14 PerlInterpreter **free_perls;
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15 ngx_uint_t interp;
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16 ngx_uint_t nalloc;
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17 ngx_uint_t interp_max;
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18
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19 PerlInterpreter *perl;
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20 ngx_str_t modules;
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21 ngx_array_t requires;
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22 } ngx_http_perl_main_conf_t;
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23
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24
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25 typedef struct {
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26 SV *sub;
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27 ngx_str_t handler;
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28 } ngx_http_perl_loc_conf_t;
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29
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30
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31 typedef struct {
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32 SV *sub;
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33 ngx_str_t handler;
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34 } ngx_http_perl_variable_t;
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35
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36
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166
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37 #if (NGX_HTTP_SSI)
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148
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38 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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39 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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40 #endif
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41
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148
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42 static ngx_int_t
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43 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
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44 PerlInterpreter **perl, ngx_log_t *log);
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45 static ngx_inline void
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46 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
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47 PerlInterpreter *perl);
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48 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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49 ngx_http_perl_main_conf_t *pmcf);
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50 static PerlInterpreter *
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51 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
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52 ngx_log_t *log);
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53 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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54 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv);
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55 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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56
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57 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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58 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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59 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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60 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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61 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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62 void *child);
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63 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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64 void *conf);
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65 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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66 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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67 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post,
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68 void *data);
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69 static void ngx_http_perl_cleanup_perl(void *data);
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70
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71
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72 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p =
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73 ngx_http_perl_interp_max_unsupported;
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74
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75
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76 static ngx_command_t ngx_http_perl_commands[] = {
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77
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78 { ngx_string("perl_modules"),
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79 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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80 ngx_conf_set_str_slot,
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81 NGX_HTTP_MAIN_CONF_OFFSET,
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82 offsetof(ngx_http_perl_main_conf_t, modules),
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83 NULL },
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84
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85 { ngx_string("perl_require"),
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86 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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87 ngx_http_perl_require,
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88 NGX_HTTP_MAIN_CONF_OFFSET,
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89 0,
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90 NULL },
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91
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92 { ngx_string("perl_interp_max"),
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93 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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94 ngx_conf_set_num_slot,
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95 NGX_HTTP_MAIN_CONF_OFFSET,
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96 offsetof(ngx_http_perl_main_conf_t, interp_max),
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97 &ngx_http_perl_interp_max_p },
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98
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99 { ngx_string("perl"),
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100 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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101 ngx_http_perl,
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102 NGX_HTTP_LOC_CONF_OFFSET,
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103 0,
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104 NULL },
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105
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106 { ngx_string("perl_set"),
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107 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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108 ngx_http_perl_set,
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109 NGX_HTTP_LOC_CONF_OFFSET,
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110 0,
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111 NULL },
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112
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113 ngx_null_command
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114 };
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115
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116
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117 static ngx_http_module_t ngx_http_perl_module_ctx = {
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118 ngx_http_perl_preconfiguration, /* preconfiguration */
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119 NULL, /* postconfiguration */
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120
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121 ngx_http_perl_create_main_conf, /* create main configuration */
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122 ngx_http_perl_init_main_conf, /* init main configuration */
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123
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124 NULL, /* create server configuration */
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125 NULL, /* merge server configuration */
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126
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127 ngx_http_perl_create_loc_conf, /* create location configuration */
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128 ngx_http_perl_merge_loc_conf /* merge location configuration */
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129 };
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130
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131
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132 ngx_module_t ngx_http_perl_module = {
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133 NGX_MODULE_V1,
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134 &ngx_http_perl_module_ctx, /* module context */
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135 ngx_http_perl_commands, /* module directives */
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136 NGX_HTTP_MODULE, /* module type */
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137 NULL, /* init master */
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138 NULL, /* init module */
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139 NULL, /* init process */
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140 NULL, /* init thread */
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141 NULL, /* exit thread */
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142 NULL, /* exit process */
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143 NULL, /* exit master */
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144 NGX_MODULE_V1_PADDING
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145 };
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146
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147
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166
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148 #if (NGX_HTTP_SSI)
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149
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148
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150 #define NGX_HTTP_PERL_SSI_SUB 0
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151 #define NGX_HTTP_PERL_SSI_ARG 1
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152
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153
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154 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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155 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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156 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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157 { ngx_null_string, 0, 0, 0 }
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158 };
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159
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160 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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161 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 1
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162 };
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163
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166
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164 #endif
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165
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148
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166
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167 static void
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168 ngx_http_perl_xs_init(pTHX)
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169 {
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170 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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171 }
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172
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173
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174 static ngx_int_t
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175 ngx_http_perl_handler(ngx_http_request_t *r)
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176 {
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177 ngx_int_t rc;
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178 ngx_str_t uri, args;
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179 ngx_http_perl_ctx_t *ctx;
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180 ngx_http_perl_loc_conf_t *plcf;
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181 ngx_http_perl_main_conf_t *pmcf;
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182
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183 /* TODO: Win32 */
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184 if (r->zero_in_uri) {
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185 return NGX_HTTP_NOT_FOUND;
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186 }
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187
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188 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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189
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190 /* mod_perl's content handler assumes that content type was already set */
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191
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192 if (ngx_http_set_content_type(r) != NGX_OK) {
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193 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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194 }
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195
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196 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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197
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198 if (ctx == NULL) {
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199 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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200 if (ctx == NULL) {
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201 return NGX_ERROR;
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202 }
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203
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204 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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205 }
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206
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207 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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208
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209 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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210
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211 if (rc != NGX_OK) {
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212 return rc;
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213 }
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214
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215 {
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216
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217 dTHXa(ctx->perl);
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218
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219 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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220
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221 rc = ngx_http_perl_call_handler(aTHX_ r, plcf->sub, NULL,
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222 &plcf->handler, NULL);
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223
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224 }
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225
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226 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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227
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228 if (rc > 600) {
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229 rc = NGX_OK;
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230 }
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231
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232 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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233 "perl handler done: %i", rc);
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234
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235 if (ctx->redirect_uri.len) {
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236 uri = ctx->redirect_uri;
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237 args = ctx->redirect_args;
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238 }
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239
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240 ctx->filename = NULL;
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241 ctx->redirect_uri.len = 0;
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242
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243 if (uri.len) {
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244 return ngx_http_internal_redirect(r, &uri, &args);
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245 }
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246
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247 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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248 return ngx_http_send_special(r, NGX_HTTP_LAST);
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249 }
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250
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251 return rc;
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252 }
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253
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254
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255 static ngx_int_t
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256 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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257 uintptr_t data)
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258 {
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259 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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260
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261 ngx_int_t rc;
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262 ngx_str_t value;
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263 ngx_http_perl_ctx_t *ctx;
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264 ngx_http_perl_main_conf_t *pmcf;
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265
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266 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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267 "perl variable handler");
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268
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269 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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270
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271 if (ctx == NULL) {
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272 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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273 if (ctx == NULL) {
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274 return NGX_ERROR;
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275 }
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276
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277 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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278 }
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279
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280 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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281
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282 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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283
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284 if (rc != NGX_OK) {
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285 return rc;
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286 }
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287
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288 value.data = NULL;
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289
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290 {
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291
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292 dTHXa(ctx->perl);
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293
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294 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL,
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295 &pv->handler, &value);
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296
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297 }
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298
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299 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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300
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301 if (value.data) {
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302 v->len = value.len;
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303 v->valid = 1;
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304 v->no_cachable = 0;
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305 v->not_found = 0;
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306 v->data = value.data;
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307
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308 } else {
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309 v->not_found = 1;
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310 }
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311
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312 ctx->filename = NULL;
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313 ctx->redirect_uri.len = 0;
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314
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315 return rc;
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316 }
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317
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318
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166
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319 #if (NGX_HTTP_SSI)
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320
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148
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321 static ngx_int_t
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322 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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323 ngx_str_t **params)
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324 {
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325 SV *sv;
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326 ngx_int_t rc;
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327 ngx_str_t *handler;
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328 ngx_http_perl_ctx_t *ctx;
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329 ngx_http_perl_main_conf_t *pmcf;
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330
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331 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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332 "perl ssi handler");
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333
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334 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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335
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336 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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337
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338 if (ctx == NULL) {
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339 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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340 if (ctx == NULL) {
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341 return NGX_ERROR;
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342 }
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343
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344 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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345 }
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346
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347 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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348
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349 if (rc != NGX_OK) {
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350 return rc;
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351 }
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352
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353 ctx->ssi = ssi_ctx;
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354
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355 handler = params[NGX_HTTP_PERL_SSI_SUB];
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356 handler->data[handler->len] = '\0';
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357
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358 {
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359
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360 dTHXa(ctx->perl);
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361
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362 #if 0
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363
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364 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
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365
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366 if (sv == &PL_sv_undef) {
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367 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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368 "eval_pv(\"%V\") failed", handler);
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369 return NGX_ERROR;
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370 }
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371
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372 if (sv == NULL) {
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373 sv = newSVpvn((char *) handler->data, handler->len);
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374 }
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375
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376 #endif
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377
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378 sv = newSVpvn((char *) handler->data, handler->len);
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379
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380 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG],
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381 handler, NULL);
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382
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383 SvREFCNT_dec(sv);
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384
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385 }
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386
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387 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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388
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389 ctx->filename = NULL;
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390 ctx->redirect_uri.len = 0;
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391 ctx->ssi = NULL;
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392
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393 return rc;
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394 }
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395
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166
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396 #endif
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397
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148
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398
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399 static ngx_int_t
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400 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
401 PerlInterpreter **perl, ngx_log_t *log)
|
|
|
402 {
|
|
|
403 if (pmcf->interp) {
|
|
|
404 pmcf->interp--;
|
|
|
405
|
|
|
406 *perl = pmcf->free_perls[pmcf->interp];
|
|
|
407
|
|
|
408 return NGX_OK;
|
|
|
409 }
|
|
|
410
|
|
|
411 if (pmcf->nalloc < pmcf->interp_max) {
|
|
|
412 *perl = ngx_http_perl_create_interpreter(pmcf, log);
|
|
|
413
|
|
|
414 if (*perl) {
|
|
|
415 return NGX_OK;
|
|
|
416 }
|
|
|
417
|
|
|
418 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
419 }
|
|
|
420
|
|
|
421 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter");
|
|
|
422
|
|
|
423 return NGX_HTTP_SERVICE_UNAVAILABLE;
|
|
|
424 }
|
|
|
425
|
|
|
426
|
|
|
427 static ngx_inline void
|
|
|
428 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
429 PerlInterpreter *perl)
|
|
|
430 {
|
|
|
431 pmcf->free_perls[pmcf->interp++] = perl;
|
|
|
432 }
|
|
|
433
|
|
|
434
|
|
|
435 static char *
|
|
|
436 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
437 {
|
|
|
438 ngx_pool_cleanup_t *cln;
|
|
|
439
|
|
|
440 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
441 if (cln == NULL) {
|
|
|
442 return NGX_CONF_ERROR;
|
|
|
443 }
|
|
|
444
|
|
|
445 #ifdef NGX_PERL_MODULES
|
|
|
446 if (pmcf->modules.data == NULL) {
|
|
|
447 pmcf->modules.data = NGX_PERL_MODULES;
|
|
|
448 }
|
|
|
449 #endif
|
|
|
450
|
|
|
451 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
452
|
|
|
453 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log);
|
|
|
454
|
|
|
455 if (pmcf->perl == NULL) {
|
|
|
456 PERL_SYS_TERM();
|
|
|
457 return NGX_CONF_ERROR;
|
|
|
458 }
|
|
|
459
|
|
|
460 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
461 cln->data = pmcf->perl;
|
|
|
462
|
|
|
463 return NGX_CONF_OK;
|
|
|
464 }
|
|
|
465
|
|
|
466
|
|
|
467 static PerlInterpreter *
|
|
|
468 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
469 ngx_log_t *log)
|
|
|
470 {
|
|
|
471 int n;
|
|
|
472 char *embedding[6];
|
|
|
473 char **script;
|
|
|
474 STRLEN len;
|
|
|
475 ngx_str_t err;
|
|
|
476 ngx_uint_t i;
|
|
|
477 PerlInterpreter *perl;
|
|
|
478
|
|
|
479 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter");
|
|
|
480
|
|
|
481 #if (NGX_HAVE_PERL_CLONE)
|
|
|
482
|
|
|
483 if (pmcf->perl) {
|
|
|
484
|
|
|
485 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE);
|
|
|
486 if (perl == NULL) {
|
|
|
487 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed");
|
|
|
488 return NULL;
|
|
|
489 }
|
|
|
490
|
|
|
491 {
|
|
|
492
|
|
|
493 dTHXa(perl);
|
|
|
494
|
|
|
495 ptr_table_free(PL_ptr_table);
|
|
|
496 PL_ptr_table = NULL;
|
|
|
497
|
|
|
498 }
|
|
|
499
|
|
|
500 pmcf->nalloc++;
|
|
|
501
|
|
|
502 return perl;
|
|
|
503 }
|
|
|
504
|
|
|
505 #endif
|
|
|
506
|
|
|
507 perl = perl_alloc();
|
|
|
508 if (perl == NULL) {
|
|
|
509 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed");
|
|
|
510 return NULL;
|
|
|
511 }
|
|
|
512
|
|
|
513 perl_construct(perl);
|
|
|
514
|
|
|
515 {
|
|
|
516
|
|
|
517 dTHXa(perl);
|
|
|
518
|
|
|
519 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
520 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
521 #endif
|
|
|
522
|
|
|
523 embedding[0] = "";
|
|
|
524
|
|
|
525 if (pmcf->modules.data) {
|
|
|
526 embedding[1] = "-I";
|
|
|
527 embedding[2] = (char *) pmcf->modules.data;
|
|
|
528 n = 3;
|
|
|
529
|
|
|
530 } else {
|
|
|
531 n = 1;
|
|
|
532 }
|
|
|
533
|
|
|
534 embedding[n++] = "-Mnginx";
|
|
|
535 embedding[n++] = "-e";
|
|
|
536 embedding[n++] = "0";
|
|
|
537
|
|
|
538 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
539
|
|
|
540 if (n != 0) {
|
|
|
541 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n);
|
|
|
542 goto fail;
|
|
|
543 }
|
|
|
544
|
|
|
545 script = pmcf->requires.elts;
|
|
|
546 for (i = 0; i < pmcf->requires.nelts; i++) {
|
|
|
547 require_pv(script[i]);
|
|
|
548
|
|
|
549 if (SvTRUE(ERRSV)) {
|
|
|
550
|
|
|
551 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
552 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
553 /* void */
|
|
|
554 }
|
|
|
555 err.len = len + 1;
|
|
|
556
|
|
|
557 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
558 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
|
559 goto fail;
|
|
|
560 }
|
|
|
561 }
|
|
|
562
|
|
|
563 }
|
|
|
564
|
|
|
565 pmcf->nalloc++;
|
|
|
566
|
|
|
567 return perl;
|
|
|
568
|
|
|
569 fail:
|
|
|
570
|
|
|
571 (void) perl_destruct(perl);
|
|
|
572
|
|
|
573 perl_free(perl);
|
|
|
574
|
|
|
575 return NULL;
|
|
|
576 }
|
|
|
577
|
|
|
578
|
|
|
579 #if (__INTEL_COMPILER)
|
|
|
580 /*
|
|
|
581 * disable 'declaration hides parameter "my_perl"' warning for ENTER and LEAVE
|
|
|
582 */
|
|
|
583 #pragma warning(disable:1599)
|
|
|
584 #endif
|
|
|
585
|
|
|
586
|
|
|
587 static ngx_int_t
|
|
|
588 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub,
|
|
|
589 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
|
590 {
|
|
|
591 SV *sv;
|
|
|
592 int n, status;
|
|
|
593 char *line;
|
|
|
594 STRLEN len, n_a;
|
|
|
595 ngx_str_t err;
|
|
|
596 ngx_uint_t i;
|
|
|
597
|
|
|
598 dSP;
|
|
|
599
|
|
|
600 status = 0;
|
|
|
601
|
|
|
602 ENTER;
|
|
|
603 SAVETMPS;
|
|
|
604
|
|
|
605 PUSHMARK(sp);
|
|
|
606
|
|
|
607 sv = sv_newmortal();
|
|
|
608 sv_setref_pv(sv, "nginx", r);
|
|
|
609 XPUSHs(sv);
|
|
|
610
|
|
|
611 if (args) {
|
|
|
612 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
613
|
|
|
614 EXTEND(sp, (int) i);
|
|
|
615
|
|
|
616 for (i = 0; args[i]; i++) {
|
|
|
617 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len)));
|
|
|
618 }
|
|
|
619 }
|
|
|
620
|
|
|
621 PUTBACK;
|
|
|
622
|
|
|
623 n = call_sv(sub, G_EVAL);
|
|
|
624
|
|
|
625 SPAGAIN;
|
|
|
626
|
|
|
627 if (n) {
|
|
|
628 if (rv == NULL) {
|
|
|
629 status = POPi;
|
|
|
630
|
|
|
631 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
632 "call_sv: %d", status);
|
|
|
633
|
|
|
634 } else {
|
|
|
635 line = POPpx;
|
|
|
636 rv->len = n_a;
|
|
|
637
|
|
|
638 rv->data = ngx_palloc(r->pool, n_a);
|
|
|
639 if (rv->data == NULL) {
|
|
|
640 return NGX_ERROR;
|
|
|
641 }
|
|
|
642
|
|
|
643 ngx_memcpy(rv->data, line, n_a);
|
|
|
644 }
|
|
|
645 }
|
|
|
646
|
|
|
647 PUTBACK;
|
|
|
648
|
|
|
649 FREETMPS;
|
|
|
650 LEAVE;
|
|
|
651
|
|
|
652 /* check $@ */
|
|
|
653
|
|
|
654 if (SvTRUE(ERRSV)) {
|
|
|
655
|
|
|
656 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
657 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
658 /* void */
|
|
|
659 }
|
|
|
660 err.len = len + 1;
|
|
|
661
|
|
|
662 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
663 "call_sv(\"%V\") failed: \"%V\"",
|
|
|
664 handler, &err);
|
|
|
665
|
|
|
666 if (rv) {
|
|
|
667 return NGX_ERROR;
|
|
|
668 }
|
|
|
669
|
|
|
670 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
671 }
|
|
|
672
|
|
|
673 if (n != 1) {
|
|
|
674 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
675 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
676 status = NGX_OK;
|
|
|
677 }
|
|
|
678
|
|
|
679 if (rv) {
|
|
|
680 return NGX_OK;
|
|
|
681 }
|
|
|
682
|
|
|
683 return (ngx_int_t) status;
|
|
|
684 }
|
|
|
685
|
|
|
686
|
|
|
687 #if (__INTEL_COMPILER)
|
|
|
688 #pragma warning(default:1599)
|
|
|
689 #endif
|
|
|
690
|
|
|
691
|
|
|
692 static void
|
|
|
693 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
694 {
|
|
|
695 if (ngx_strncmp(handler->data, "sub ", 4) == 0
|
|
|
696 || ngx_strncmp(handler->data, "use ", 4) == 0)
|
|
|
697 {
|
|
|
698 *sv = eval_pv((char *) handler->data, FALSE);
|
|
|
699
|
|
|
700 return;
|
|
|
701 }
|
|
|
702
|
|
|
703 *sv = NULL;
|
|
|
704 }
|
|
|
705
|
|
|
706
|
|
|
707 static void *
|
|
|
708 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
709 {
|
|
|
710 ngx_http_perl_main_conf_t *pmcf;
|
|
|
711
|
|
|
712 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
713 if (pmcf == NULL) {
|
|
|
714 return NGX_CONF_ERROR;
|
|
|
715 }
|
|
|
716
|
|
|
717 pmcf->interp_max = NGX_CONF_UNSET_UINT;
|
|
|
718
|
|
|
719 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
|
720 != NGX_OK)
|
|
|
721 {
|
|
|
722 return NULL;
|
|
|
723 }
|
|
|
724
|
|
|
725 return pmcf;
|
|
|
726 }
|
|
|
727
|
|
|
728
|
|
|
729 static char *
|
|
|
730 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
731 {
|
|
|
732 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
733
|
|
|
734 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
735 ngx_conf_init_unsigned_value(pmcf->interp_max, 10);
|
|
|
736 #else
|
|
|
737 ngx_conf_init_unsigned_value(pmcf->interp_max, 1);
|
|
|
738 #endif
|
|
|
739
|
|
|
740 pmcf->free_perls = ngx_pcalloc(cf->pool,
|
|
|
741 pmcf->interp_max * sizeof(PerlInterpreter *));
|
|
|
742 if (pmcf->free_perls == NULL) {
|
|
|
743 return NGX_CONF_ERROR;
|
|
|
744 }
|
|
|
745
|
|
|
746 if (pmcf->perl == NULL) {
|
|
|
747 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
748 return NGX_CONF_ERROR;
|
|
|
749 }
|
|
|
750 }
|
|
|
751
|
|
|
752 #if !(NGX_HAVE_PERL_CLONE)
|
|
|
753 ngx_http_perl_free_interpreter(pmcf, pmcf->perl);
|
|
|
754 #endif
|
|
|
755
|
|
|
756 return NGX_CONF_OK;
|
|
|
757 }
|
|
|
758
|
|
|
759
|
|
|
760 static void
|
|
|
761 ngx_http_perl_cleanup_perl(void *data)
|
|
|
762 {
|
|
|
763 PerlInterpreter *perl = data;
|
|
|
764
|
|
|
765 (void) perl_destruct(perl);
|
|
|
766
|
|
|
767 perl_free(perl);
|
|
|
768
|
|
|
769 PERL_SYS_TERM();
|
|
|
770 }
|
|
|
771
|
|
|
772
|
|
|
773 static ngx_int_t
|
|
|
774 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
775 {
|
|
166
|
776 #if (NGX_HTTP_SSI)
|
|
148
|
777 ngx_int_t rc;
|
|
|
778 ngx_http_ssi_main_conf_t *smcf;
|
|
|
779
|
|
|
780 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
781
|
|
|
782 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
783 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
784
|
|
|
785 if (rc != NGX_OK) {
|
|
|
786 if (rc == NGX_BUSY) {
|
|
|
787 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
788 "conflicting SSI command \"%V\"",
|
|
|
789 &ngx_http_perl_ssi_command.name);
|
|
|
790 }
|
|
|
791
|
|
|
792 return NGX_ERROR;
|
|
|
793 }
|
|
166
|
794 #endif
|
|
148
|
795
|
|
|
796 return NGX_OK;
|
|
|
797 }
|
|
|
798
|
|
|
799
|
|
|
800 static void *
|
|
|
801 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
802 {
|
|
|
803 ngx_http_perl_loc_conf_t *plcf;
|
|
|
804
|
|
|
805 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
806 if (plcf == NULL) {
|
|
|
807 return NGX_CONF_ERROR;
|
|
|
808 }
|
|
|
809
|
|
|
810 /*
|
|
|
811 * set by ngx_pcalloc():
|
|
|
812 *
|
|
|
813 * plcf->handler = { 0, NULL };
|
|
|
814 */
|
|
|
815
|
|
|
816 return plcf;
|
|
|
817 }
|
|
|
818
|
|
|
819
|
|
|
820 static char *
|
|
|
821 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
822 {
|
|
|
823 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
824 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
825
|
|
|
826 if (conf->sub == NULL) {
|
|
|
827 conf->sub = prev->sub;
|
|
|
828 conf->handler = prev->handler;
|
|
|
829 }
|
|
|
830
|
|
|
831 return NGX_CONF_OK;
|
|
|
832 }
|
|
|
833
|
|
|
834
|
|
|
835 static char *
|
|
|
836 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
837 {
|
|
|
838 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
839
|
|
|
840 u_char **p;
|
|
|
841 ngx_str_t *value;
|
|
|
842
|
|
|
843 value = cf->args->elts;
|
|
|
844
|
|
|
845 p = ngx_array_push(&pmcf->requires);
|
|
|
846
|
|
|
847 if (p == NULL) {
|
|
|
848 return NGX_CONF_ERROR;
|
|
|
849 }
|
|
|
850
|
|
|
851 *p = value[1].data;
|
|
|
852
|
|
|
853 return NGX_CONF_OK;
|
|
|
854 }
|
|
|
855
|
|
|
856
|
|
|
857 static char *
|
|
|
858 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
859 {
|
|
|
860 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
861
|
|
|
862 ngx_str_t *value;
|
|
|
863 ngx_http_core_loc_conf_t *clcf;
|
|
|
864 ngx_http_perl_main_conf_t *pmcf;
|
|
|
865
|
|
|
866 value = cf->args->elts;
|
|
|
867
|
|
|
868 if (plcf->handler.data) {
|
|
|
869 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
870 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
871 return NGX_CONF_ERROR;
|
|
|
872 }
|
|
|
873
|
|
|
874 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
875
|
|
|
876 if (pmcf->perl == NULL) {
|
|
|
877 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
878 return NGX_CONF_ERROR;
|
|
|
879 }
|
|
|
880 }
|
|
|
881
|
|
|
882 plcf->handler = value[1];
|
|
|
883
|
|
|
884 {
|
|
|
885
|
|
|
886 dTHXa(pmcf->perl);
|
|
|
887
|
|
|
888 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
889
|
|
|
890 if (plcf->sub == &PL_sv_undef) {
|
|
|
891 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
892 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
893 return NGX_CONF_ERROR;
|
|
|
894 }
|
|
|
895
|
|
|
896 if (plcf->sub == NULL) {
|
|
|
897 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
898 }
|
|
|
899
|
|
|
900 }
|
|
|
901
|
|
|
902 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
903 clcf->handler = ngx_http_perl_handler;
|
|
|
904
|
|
|
905 return NGX_CONF_OK;
|
|
|
906 }
|
|
|
907
|
|
|
908
|
|
|
909 static char *
|
|
|
910 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
911 {
|
|
|
912 ngx_int_t index;
|
|
|
913 ngx_str_t *value;
|
|
|
914 ngx_http_variable_t *v;
|
|
|
915 ngx_http_perl_variable_t *pv;
|
|
|
916 ngx_http_perl_main_conf_t *pmcf;
|
|
|
917
|
|
|
918 value = cf->args->elts;
|
|
|
919
|
|
|
920 if (value[1].data[0] != '$') {
|
|
|
921 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
922 "invalid variable name \"%V\"", &value[1]);
|
|
|
923 return NGX_CONF_ERROR;
|
|
|
924 }
|
|
|
925
|
|
|
926 value[1].len--;
|
|
|
927 value[1].data++;
|
|
|
928
|
|
|
929 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
|
930 if (v == NULL) {
|
|
|
931 return NGX_CONF_ERROR;
|
|
|
932 }
|
|
|
933
|
|
|
934 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
935 if (pv == NULL) {
|
|
|
936 return NGX_CONF_ERROR;
|
|
|
937 }
|
|
|
938
|
|
|
939 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
940 if (index == NGX_ERROR) {
|
|
|
941 return NGX_CONF_ERROR;
|
|
|
942 }
|
|
|
943
|
|
|
944 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
945
|
|
|
946 if (pmcf->perl == NULL) {
|
|
|
947 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
948 return NGX_CONF_ERROR;
|
|
|
949 }
|
|
|
950 }
|
|
|
951
|
|
|
952 pv->handler = value[2];
|
|
|
953
|
|
|
954 {
|
|
|
955
|
|
|
956 dTHXa(pmcf->perl);
|
|
|
957
|
|
|
958 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
959
|
|
|
960 if (pv->sub == &PL_sv_undef) {
|
|
|
961 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
962 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
963 return NGX_CONF_ERROR;
|
|
|
964 }
|
|
|
965
|
|
|
966 if (pv->sub == NULL) {
|
|
|
967 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
968 }
|
|
|
969
|
|
|
970 }
|
|
|
971
|
|
|
972 v->handler = ngx_http_perl_variable;
|
|
|
973 v->data = (uintptr_t) pv;
|
|
|
974
|
|
|
975 return NGX_CONF_OK;
|
|
|
976 }
|
|
|
977
|
|
|
978
|
|
|
979 static char *
|
|
|
980 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data)
|
|
|
981 {
|
|
|
982 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
983
|
|
|
984 return NGX_CONF_OK;
|
|
|
985
|
|
|
986 #else
|
|
|
987
|
|
|
988 return "to use perl_interp_max you have to build perl with "
|
|
|
989 "-Dusemultiplicity or -Dusethreads options";
|
|
|
990
|
|
|
991 #endif
|
|
|
992 }
|
