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