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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 *perl;
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258
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15 HV *nginx;
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148
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16 ngx_str_t modules;
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17 ngx_array_t requires;
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18 } ngx_http_perl_main_conf_t;
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19
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20
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21 typedef struct {
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22 SV *sub;
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23 ngx_str_t handler;
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24 } ngx_http_perl_loc_conf_t;
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25
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26
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27 typedef struct {
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28 SV *sub;
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29 ngx_str_t handler;
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30 } ngx_http_perl_variable_t;
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31
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32
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202
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33 typedef struct {
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34 SV *sv;
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35 PerlInterpreter *perl;
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36 } ngx_http_perl_cleanup_t;
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37
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38
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166
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39 #if (NGX_HTTP_SSI)
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148
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40 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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41 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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42 #endif
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43
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266
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44 static void ngx_http_perl_sleep_handler(ngx_http_request_t *r);
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148
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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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202
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50 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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51 ngx_log_t *log);
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148
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52 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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258
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53 HV *nginx, SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv);
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148
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54 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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55
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56 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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57 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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58 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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59 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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60 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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61 void *child);
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62 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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63 void *conf);
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64 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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65 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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258
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66
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67 #if (NGX_HAVE_PERL_MULTIPLICITY)
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148
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68 static void ngx_http_perl_cleanup_perl(void *data);
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198
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69 #endif
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148
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70
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71
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72 static ngx_command_t ngx_http_perl_commands[] = {
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73
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74 { ngx_string("perl_modules"),
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75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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76 ngx_conf_set_str_slot,
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77 NGX_HTTP_MAIN_CONF_OFFSET,
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78 offsetof(ngx_http_perl_main_conf_t, modules),
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79 NULL },
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80
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81 { ngx_string("perl_require"),
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82 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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83 ngx_http_perl_require,
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84 NGX_HTTP_MAIN_CONF_OFFSET,
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85 0,
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86 NULL },
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87
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88 { ngx_string("perl"),
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268
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89 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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148
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90 ngx_http_perl,
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91 NGX_HTTP_LOC_CONF_OFFSET,
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92 0,
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93 NULL },
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94
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95 { ngx_string("perl_set"),
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96 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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97 ngx_http_perl_set,
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98 NGX_HTTP_LOC_CONF_OFFSET,
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99 0,
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100 NULL },
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101
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102 ngx_null_command
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103 };
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104
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105
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106 static ngx_http_module_t ngx_http_perl_module_ctx = {
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107 ngx_http_perl_preconfiguration, /* preconfiguration */
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108 NULL, /* postconfiguration */
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109
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110 ngx_http_perl_create_main_conf, /* create main configuration */
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111 ngx_http_perl_init_main_conf, /* init main configuration */
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112
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113 NULL, /* create server configuration */
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114 NULL, /* merge server configuration */
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115
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116 ngx_http_perl_create_loc_conf, /* create location configuration */
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117 ngx_http_perl_merge_loc_conf /* merge location configuration */
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118 };
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119
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120
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121 ngx_module_t ngx_http_perl_module = {
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122 NGX_MODULE_V1,
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123 &ngx_http_perl_module_ctx, /* module context */
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124 ngx_http_perl_commands, /* module directives */
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125 NGX_HTTP_MODULE, /* module type */
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126 NULL, /* init master */
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127 NULL, /* init module */
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128 NULL, /* init process */
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129 NULL, /* init thread */
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130 NULL, /* exit thread */
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131 NULL, /* exit process */
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132 NULL, /* exit master */
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133 NGX_MODULE_V1_PADDING
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134 };
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135
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136
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166
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137 #if (NGX_HTTP_SSI)
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138
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148
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139 #define NGX_HTTP_PERL_SSI_SUB 0
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140 #define NGX_HTTP_PERL_SSI_ARG 1
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141
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142
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143 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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144 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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145 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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146 { ngx_null_string, 0, 0, 0 }
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147 };
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148
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149 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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150 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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151 };
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152
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166
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153 #endif
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154
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148
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155
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230
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156 static ngx_str_t ngx_null_name = ngx_null_string;
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157
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158
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182
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159 static HV *nginx_stash;
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160
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148
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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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182
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165
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166 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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167 }
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168
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169
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170 static ngx_int_t
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171 ngx_http_perl_handler(ngx_http_request_t *r)
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172 {
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178
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173 /* TODO: Win32 */
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174 if (r->zero_in_uri) {
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175 return NGX_HTTP_NOT_FOUND;
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176 }
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177
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230
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178 ngx_http_perl_handle_request(r);
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179
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180 return NGX_DONE;
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178
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181 }
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182
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183
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230
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184 void
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178
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185 ngx_http_perl_handle_request(ngx_http_request_t *r)
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186 {
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230
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187 SV *sub;
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148
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188 ngx_int_t rc;
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230
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189 ngx_str_t uri, args, *handler;
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148
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190 ngx_http_perl_ctx_t *ctx;
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191 ngx_http_perl_loc_conf_t *plcf;
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192 ngx_http_perl_main_conf_t *pmcf;
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193
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194 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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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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230
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201 ngx_http_finalize_request(r, NGX_ERROR);
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274
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202 return;
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148
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203 }
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204
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205 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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206 }
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207
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208 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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209
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210 {
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211
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258
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212 dTHXa(pmcf->perl);
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213 PERL_SET_CONTEXT(pmcf->perl);
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148
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214
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230
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215 if (ctx->next == NULL) {
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216 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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217 sub = plcf->sub;
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218 handler = &plcf->handler;
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148
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219
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230
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220 } else {
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221 sub = ctx->next;
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222 handler = &ngx_null_name;
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223 ctx->next = NULL;
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224 }
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225
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258
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226 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler,
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227 NULL);
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148
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228
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229 }
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230
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231 if (rc > 600) {
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232 rc = NGX_OK;
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233 }
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234
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235 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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236 "perl handler done: %i", rc);
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237
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238 if (ctx->redirect_uri.len) {
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239 uri = ctx->redirect_uri;
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240 args = ctx->redirect_args;
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178
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241
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242 } else {
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243 uri.len = 0;
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148
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244 }
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245
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182
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246 ctx->filename.data = NULL;
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148
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247 ctx->redirect_uri.len = 0;
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248
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266
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249 if (ctx->sleep) {
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250 ngx_add_timer(r->connection->write, (ngx_msec_t) ctx->sleep);
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251 r->write_event_handler = ngx_http_perl_sleep_handler;
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252 ctx->sleep = 0;
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253 }
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254
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230
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255 if (ctx->done || ctx->next) {
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256 return;
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257 }
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258
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148
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259 if (uri.len) {
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178
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260 ngx_http_internal_redirect(r, &uri, &args);
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261 return;
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148
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262 }
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263
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264 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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265 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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266 ctx->done = 1;
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148
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267 }
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268
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178
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269 ngx_http_finalize_request(r, rc);
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148
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270 }
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271
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272
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266
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273 static void
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274 ngx_http_perl_sleep_handler(ngx_http_request_t *r)
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275 {
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276 ngx_event_t *wev;
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277
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278 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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279 "perl sleep handler");
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280
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281 wev = r->connection->write;
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282
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283 if (wev->timedout) {
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284 wev->timedout = 0;
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285 ngx_http_perl_handle_request(r);
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286 return;
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287 }
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288
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289 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) {
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290 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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291 }
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292 }
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293
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294
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148
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295 static ngx_int_t
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296 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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297 uintptr_t data)
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298 {
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299 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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300
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301 ngx_int_t rc;
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302 ngx_str_t value;
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303 ngx_http_perl_ctx_t *ctx;
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304 ngx_http_perl_main_conf_t *pmcf;
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305
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306 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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307 "perl variable handler");
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308
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309 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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310
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311 if (ctx == NULL) {
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312 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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313 if (ctx == NULL) {
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314 return NGX_ERROR;
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315 }
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316
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317 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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318 }
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319
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320 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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321
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322 value.data = NULL;
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323
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324 {
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325
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258
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326 dTHXa(pmcf->perl);
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327 PERL_SET_CONTEXT(pmcf->perl);
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148
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328
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258
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329 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL,
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148
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330 &pv->handler, &value);
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331
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332 }
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333
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334 if (value.data) {
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335 v->len = value.len;
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336 v->valid = 1;
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337 v->no_cachable = 0;
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338 v->not_found = 0;
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339 v->data = value.data;
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340
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341 } else {
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342 v->not_found = 1;
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343 }
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344
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182
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345 ctx->filename.data = NULL;
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148
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346 ctx->redirect_uri.len = 0;
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347
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258
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348 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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349 "perl variable done");
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350
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148
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351 return rc;
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352 }
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353
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354
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166
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355 #if (NGX_HTTP_SSI)
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356
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148
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357 static ngx_int_t
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358 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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359 ngx_str_t **params)
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360 {
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361 SV *sv;
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362 ngx_int_t rc;
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363 ngx_str_t *handler;
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364 ngx_http_perl_ctx_t *ctx;
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365 ngx_http_perl_main_conf_t *pmcf;
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366
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367 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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368 "perl ssi handler");
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369
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370 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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371
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372 if (ctx == NULL) {
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373 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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374 if (ctx == NULL) {
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375 return NGX_ERROR;
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376 }
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377
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378 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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379 }
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380
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258
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381 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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148
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382
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383 ctx->ssi = ssi_ctx;
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384
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385 handler = params[NGX_HTTP_PERL_SSI_SUB];
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386 handler->data[handler->len] = '\0';
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387
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388 {
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389
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258
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390 dTHXa(pmcf->perl);
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391 PERL_SET_CONTEXT(pmcf->perl);
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148
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392
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200
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393 #if 0
|
|
|
394
|
|
|
395 /* the code is disabled to force the precompiled perl code using only */
|
|
|
396
|
|
|
397 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
|
|
|
398
|
|
|
399 if (sv == &PL_sv_undef) {
|
|
|
400 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
401 "eval_pv(\"%V\") failed", handler);
|
|
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404
|
|
|
405 if (sv == NULL) {
|
|
|
406 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
407 }
|
|
|
408
|
|
|
409 #endif
|
|
|
410
|
|
148
|
411 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
412
|
|
258
|
413 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv,
|
|
|
414 ¶ms[NGX_HTTP_PERL_SSI_ARG],
|
|
148
|
415 handler, NULL);
|
|
|
416
|
|
|
417 SvREFCNT_dec(sv);
|
|
|
418
|
|
|
419 }
|
|
|
420
|
|
182
|
421 ctx->filename.data = NULL;
|
|
148
|
422 ctx->redirect_uri.len = 0;
|
|
|
423 ctx->ssi = NULL;
|
|
|
424
|
|
258
|
425 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done");
|
|
|
426
|
|
148
|
427 return rc;
|
|
|
428 }
|
|
|
429
|
|
166
|
430 #endif
|
|
|
431
|
|
148
|
432
|
|
|
433 static char *
|
|
|
434 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
435 {
|
|
258
|
436 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
202
|
437 ngx_pool_cleanup_t *cln;
|
|
148
|
438
|
|
|
439 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
440 if (cln == NULL) {
|
|
|
441 return NGX_CONF_ERROR;
|
|
|
442 }
|
|
|
443
|
|
198
|
444 #else
|
|
|
445 static PerlInterpreter *perl;
|
|
|
446 #endif
|
|
|
447
|
|
148
|
448 #ifdef NGX_PERL_MODULES
|
|
|
449 if (pmcf->modules.data == NULL) {
|
|
|
450 pmcf->modules.data = NGX_PERL_MODULES;
|
|
|
451 }
|
|
|
452 #endif
|
|
|
453
|
|
188
|
454 if (pmcf->modules.data) {
|
|
|
455 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) {
|
|
|
456 return NGX_CONF_ERROR;
|
|
|
457 }
|
|
178
|
458 }
|
|
|
459
|
|
258
|
460 #if !(NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
461
|
|
|
462 if (perl) {
|
|
202
|
463 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, cf->log)
|
|
|
464 != NGX_OK)
|
|
|
465 {
|
|
198
|
466 return NGX_CONF_ERROR;
|
|
|
467 }
|
|
|
468
|
|
|
469 pmcf->perl = perl;
|
|
|
470
|
|
|
471 return NGX_CONF_OK;
|
|
|
472 }
|
|
|
473
|
|
|
474 #endif
|
|
|
475
|
|
148
|
476 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
477
|
|
|
478 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log);
|
|
|
479
|
|
|
480 if (pmcf->perl == NULL) {
|
|
|
481 PERL_SYS_TERM();
|
|
|
482 return NGX_CONF_ERROR;
|
|
|
483 }
|
|
|
484
|
|
258
|
485 pmcf->nginx = nginx_stash;
|
|
|
486
|
|
|
487 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
488
|
|
148
|
489 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
490 cln->data = pmcf->perl;
|
|
|
491
|
|
198
|
492 #else
|
|
|
493
|
|
|
494 perl = pmcf->perl;
|
|
|
495
|
|
|
496 #endif
|
|
|
497
|
|
148
|
498 return NGX_CONF_OK;
|
|
|
499 }
|
|
|
500
|
|
|
501
|
|
|
502 static PerlInterpreter *
|
|
|
503 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
504 ngx_log_t *log)
|
|
|
505 {
|
|
|
506 int n;
|
|
248
|
507 STRLEN len;
|
|
|
508 SV *sv;
|
|
|
509 char *ver, *embedding[6];
|
|
148
|
510 PerlInterpreter *perl;
|
|
|
511
|
|
|
512 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter");
|
|
|
513
|
|
|
514 perl = perl_alloc();
|
|
|
515 if (perl == NULL) {
|
|
|
516 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed");
|
|
|
517 return NULL;
|
|
|
518 }
|
|
|
519
|
|
|
520 {
|
|
|
521
|
|
|
522 dTHXa(perl);
|
|
258
|
523 PERL_SET_CONTEXT(perl);
|
|
|
524
|
|
|
525 perl_construct(perl);
|
|
148
|
526
|
|
|
527 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
528 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
529 #endif
|
|
|
530
|
|
|
531 embedding[0] = "";
|
|
|
532
|
|
|
533 if (pmcf->modules.data) {
|
|
|
534 embedding[1] = "-I";
|
|
|
535 embedding[2] = (char *) pmcf->modules.data;
|
|
|
536 n = 3;
|
|
|
537
|
|
|
538 } else {
|
|
|
539 n = 1;
|
|
|
540 }
|
|
|
541
|
|
|
542 embedding[n++] = "-Mnginx";
|
|
|
543 embedding[n++] = "-e";
|
|
|
544 embedding[n++] = "0";
|
|
|
545
|
|
|
546 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
547
|
|
|
548 if (n != 0) {
|
|
|
549 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n);
|
|
|
550 goto fail;
|
|
|
551 }
|
|
|
552
|
|
248
|
553 sv = get_sv("nginx::VERSION", FALSE);
|
|
|
554 ver = SvPV(sv, len);
|
|
|
555
|
|
|
556 if (ngx_strcmp(ver, NGINX_VERSION) != 0) {
|
|
|
557 ngx_log_error(NGX_LOG_ALERT, log, 0,
|
|
|
558 "version " NGINX_VERSION " of nginx.pm is required, "
|
|
|
559 "but %s was found", ver);
|
|
|
560 goto fail;
|
|
|
561 }
|
|
|
562
|
|
202
|
563 if (ngx_http_perl_run_requires(aTHX_ &pmcf->requires, log) != NGX_OK) {
|
|
198
|
564 goto fail;
|
|
148
|
565 }
|
|
|
566
|
|
|
567 }
|
|
|
568
|
|
|
569 return perl;
|
|
|
570
|
|
|
571 fail:
|
|
|
572
|
|
|
573 (void) perl_destruct(perl);
|
|
|
574
|
|
|
575 perl_free(perl);
|
|
|
576
|
|
|
577 return NULL;
|
|
|
578 }
|
|
|
579
|
|
|
580
|
|
198
|
581 static ngx_int_t
|
|
202
|
582 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
|
198
|
583 {
|
|
|
584 char **script;
|
|
|
585 STRLEN len;
|
|
|
586 ngx_str_t err;
|
|
|
587 ngx_uint_t i;
|
|
|
588
|
|
|
589 script = requires->elts;
|
|
|
590 for (i = 0; i < requires->nelts; i++) {
|
|
|
591
|
|
|
592 require_pv(script[i]);
|
|
|
593
|
|
|
594 if (SvTRUE(ERRSV)) {
|
|
|
595
|
|
|
596 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
597 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
598 /* void */
|
|
|
599 }
|
|
|
600 err.len = len + 1;
|
|
|
601
|
|
|
602 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
603 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
|
604
|
|
|
605 return NGX_ERROR;
|
|
|
606 }
|
|
|
607 }
|
|
|
608
|
|
|
609 return NGX_OK;
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
148
|
613 static ngx_int_t
|
|
258
|
614 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub,
|
|
148
|
615 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
|
616 {
|
|
|
617 SV *sv;
|
|
|
618 int n, status;
|
|
|
619 char *line;
|
|
|
620 STRLEN len, n_a;
|
|
|
621 ngx_str_t err;
|
|
|
622 ngx_uint_t i;
|
|
|
623
|
|
|
624 dSP;
|
|
|
625
|
|
|
626 status = 0;
|
|
|
627
|
|
|
628 ENTER;
|
|
|
629 SAVETMPS;
|
|
|
630
|
|
|
631 PUSHMARK(sp);
|
|
|
632
|
|
258
|
633 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx));
|
|
148
|
634 XPUSHs(sv);
|
|
|
635
|
|
|
636 if (args) {
|
|
|
637 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
638
|
|
|
639 EXTEND(sp, (int) i);
|
|
|
640
|
|
|
641 for (i = 0; args[i]; i++) {
|
|
|
642 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len)));
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 PUTBACK;
|
|
|
647
|
|
|
648 n = call_sv(sub, G_EVAL);
|
|
|
649
|
|
|
650 SPAGAIN;
|
|
|
651
|
|
|
652 if (n) {
|
|
|
653 if (rv == NULL) {
|
|
|
654 status = POPi;
|
|
|
655
|
|
|
656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
657 "call_sv: %d", status);
|
|
|
658
|
|
|
659 } else {
|
|
168
|
660 line = SvPVx(POPs, n_a);
|
|
148
|
661 rv->len = n_a;
|
|
|
662
|
|
|
663 rv->data = ngx_palloc(r->pool, n_a);
|
|
|
664 if (rv->data == NULL) {
|
|
|
665 return NGX_ERROR;
|
|
|
666 }
|
|
|
667
|
|
|
668 ngx_memcpy(rv->data, line, n_a);
|
|
|
669 }
|
|
|
670 }
|
|
|
671
|
|
|
672 PUTBACK;
|
|
|
673
|
|
|
674 FREETMPS;
|
|
|
675 LEAVE;
|
|
|
676
|
|
|
677 /* check $@ */
|
|
|
678
|
|
|
679 if (SvTRUE(ERRSV)) {
|
|
|
680
|
|
|
681 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
682 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
683 /* void */
|
|
|
684 }
|
|
|
685 err.len = len + 1;
|
|
|
686
|
|
|
687 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
688 "call_sv(\"%V\") failed: \"%V\"",
|
|
|
689 handler, &err);
|
|
|
690
|
|
|
691 if (rv) {
|
|
|
692 return NGX_ERROR;
|
|
|
693 }
|
|
|
694
|
|
|
695 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
696 }
|
|
|
697
|
|
|
698 if (n != 1) {
|
|
|
699 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
700 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
701 status = NGX_OK;
|
|
|
702 }
|
|
|
703
|
|
|
704 if (rv) {
|
|
|
705 return NGX_OK;
|
|
|
706 }
|
|
|
707
|
|
|
708 return (ngx_int_t) status;
|
|
|
709 }
|
|
|
710
|
|
|
711
|
|
|
712 static void
|
|
|
713 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
714 {
|
|
172
|
715 u_char *p;
|
|
|
716
|
|
|
717 for (p = handler->data; *p; p++) {
|
|
|
718 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
719 break;
|
|
|
720 }
|
|
|
721 }
|
|
|
722
|
|
198
|
723 if (ngx_strncmp(p, "sub ", 4) == 0 || ngx_strncmp(p, "use ", 4) == 0) {
|
|
172
|
724 *sv = eval_pv((char *) p, FALSE);
|
|
258
|
725
|
|
|
726 /* eval_pv() does not set ERRSV on failure */
|
|
|
727
|
|
148
|
728 return;
|
|
|
729 }
|
|
|
730
|
|
|
731 *sv = NULL;
|
|
|
732 }
|
|
|
733
|
|
|
734
|
|
|
735 static void *
|
|
|
736 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
737 {
|
|
|
738 ngx_http_perl_main_conf_t *pmcf;
|
|
|
739
|
|
|
740 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
741 if (pmcf == NULL) {
|
|
|
742 return NGX_CONF_ERROR;
|
|
|
743 }
|
|
|
744
|
|
|
745 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
|
746 != NGX_OK)
|
|
|
747 {
|
|
|
748 return NULL;
|
|
|
749 }
|
|
|
750
|
|
|
751 return pmcf;
|
|
|
752 }
|
|
|
753
|
|
|
754
|
|
|
755 static char *
|
|
|
756 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
757 {
|
|
|
758 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
759
|
|
|
760 if (pmcf->perl == NULL) {
|
|
|
761 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
762 return NGX_CONF_ERROR;
|
|
|
763 }
|
|
|
764 }
|
|
|
765
|
|
|
766 return NGX_CONF_OK;
|
|
|
767 }
|
|
|
768
|
|
|
769
|
|
258
|
770 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
771
|
|
148
|
772 static void
|
|
|
773 ngx_http_perl_cleanup_perl(void *data)
|
|
|
774 {
|
|
198
|
775 PerlInterpreter *perl = data;
|
|
148
|
776
|
|
258
|
777 PERL_SET_CONTEXT(perl);
|
|
|
778
|
|
148
|
779 (void) perl_destruct(perl);
|
|
|
780
|
|
|
781 perl_free(perl);
|
|
|
782
|
|
|
783 PERL_SYS_TERM();
|
|
|
784 }
|
|
|
785
|
|
198
|
786 #endif
|
|
|
787
|
|
|
788
|
|
148
|
789 static ngx_int_t
|
|
|
790 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
791 {
|
|
166
|
792 #if (NGX_HTTP_SSI)
|
|
148
|
793 ngx_int_t rc;
|
|
|
794 ngx_http_ssi_main_conf_t *smcf;
|
|
|
795
|
|
|
796 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
797
|
|
|
798 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
799 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
800
|
|
|
801 if (rc != NGX_OK) {
|
|
|
802 if (rc == NGX_BUSY) {
|
|
|
803 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
804 "conflicting SSI command \"%V\"",
|
|
|
805 &ngx_http_perl_ssi_command.name);
|
|
|
806 }
|
|
|
807
|
|
|
808 return NGX_ERROR;
|
|
|
809 }
|
|
166
|
810 #endif
|
|
148
|
811
|
|
|
812 return NGX_OK;
|
|
|
813 }
|
|
|
814
|
|
|
815
|
|
|
816 static void *
|
|
|
817 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
818 {
|
|
|
819 ngx_http_perl_loc_conf_t *plcf;
|
|
|
820
|
|
|
821 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
822 if (plcf == NULL) {
|
|
|
823 return NGX_CONF_ERROR;
|
|
|
824 }
|
|
|
825
|
|
|
826 /*
|
|
|
827 * set by ngx_pcalloc():
|
|
|
828 *
|
|
|
829 * plcf->handler = { 0, NULL };
|
|
|
830 */
|
|
|
831
|
|
|
832 return plcf;
|
|
|
833 }
|
|
|
834
|
|
|
835
|
|
|
836 static char *
|
|
|
837 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
838 {
|
|
|
839 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
840 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
841
|
|
|
842 if (conf->sub == NULL) {
|
|
|
843 conf->sub = prev->sub;
|
|
|
844 conf->handler = prev->handler;
|
|
|
845 }
|
|
|
846
|
|
|
847 return NGX_CONF_OK;
|
|
|
848 }
|
|
|
849
|
|
|
850
|
|
|
851 static char *
|
|
|
852 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
853 {
|
|
|
854 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
855
|
|
|
856 u_char **p;
|
|
|
857 ngx_str_t *value;
|
|
|
858
|
|
|
859 value = cf->args->elts;
|
|
|
860
|
|
|
861 p = ngx_array_push(&pmcf->requires);
|
|
|
862
|
|
|
863 if (p == NULL) {
|
|
|
864 return NGX_CONF_ERROR;
|
|
|
865 }
|
|
|
866
|
|
|
867 *p = value[1].data;
|
|
|
868
|
|
|
869 return NGX_CONF_OK;
|
|
|
870 }
|
|
|
871
|
|
|
872
|
|
|
873 static char *
|
|
|
874 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
875 {
|
|
|
876 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
877
|
|
|
878 ngx_str_t *value;
|
|
|
879 ngx_http_core_loc_conf_t *clcf;
|
|
|
880 ngx_http_perl_main_conf_t *pmcf;
|
|
|
881
|
|
|
882 value = cf->args->elts;
|
|
|
883
|
|
|
884 if (plcf->handler.data) {
|
|
|
885 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
886 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
887 return NGX_CONF_ERROR;
|
|
|
888 }
|
|
|
889
|
|
|
890 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
891
|
|
|
892 if (pmcf->perl == NULL) {
|
|
|
893 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
894 return NGX_CONF_ERROR;
|
|
|
895 }
|
|
|
896 }
|
|
|
897
|
|
|
898 plcf->handler = value[1];
|
|
|
899
|
|
|
900 {
|
|
|
901
|
|
|
902 dTHXa(pmcf->perl);
|
|
258
|
903 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
904
|
|
|
905 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
906
|
|
|
907 if (plcf->sub == &PL_sv_undef) {
|
|
|
908 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
909 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
910 return NGX_CONF_ERROR;
|
|
|
911 }
|
|
|
912
|
|
|
913 if (plcf->sub == NULL) {
|
|
|
914 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
915 }
|
|
|
916
|
|
|
917 }
|
|
|
918
|
|
|
919 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
920 clcf->handler = ngx_http_perl_handler;
|
|
|
921
|
|
|
922 return NGX_CONF_OK;
|
|
|
923 }
|
|
|
924
|
|
|
925
|
|
|
926 static char *
|
|
|
927 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
928 {
|
|
|
929 ngx_int_t index;
|
|
|
930 ngx_str_t *value;
|
|
|
931 ngx_http_variable_t *v;
|
|
|
932 ngx_http_perl_variable_t *pv;
|
|
|
933 ngx_http_perl_main_conf_t *pmcf;
|
|
|
934
|
|
|
935 value = cf->args->elts;
|
|
|
936
|
|
|
937 if (value[1].data[0] != '$') {
|
|
|
938 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
939 "invalid variable name \"%V\"", &value[1]);
|
|
|
940 return NGX_CONF_ERROR;
|
|
|
941 }
|
|
|
942
|
|
|
943 value[1].len--;
|
|
|
944 value[1].data++;
|
|
|
945
|
|
|
946 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
|
947 if (v == NULL) {
|
|
|
948 return NGX_CONF_ERROR;
|
|
|
949 }
|
|
|
950
|
|
|
951 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
952 if (pv == NULL) {
|
|
|
953 return NGX_CONF_ERROR;
|
|
|
954 }
|
|
|
955
|
|
|
956 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
957 if (index == NGX_ERROR) {
|
|
|
958 return NGX_CONF_ERROR;
|
|
|
959 }
|
|
|
960
|
|
|
961 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
962
|
|
|
963 if (pmcf->perl == NULL) {
|
|
|
964 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
965 return NGX_CONF_ERROR;
|
|
|
966 }
|
|
|
967 }
|
|
|
968
|
|
|
969 pv->handler = value[2];
|
|
|
970
|
|
|
971 {
|
|
|
972
|
|
|
973 dTHXa(pmcf->perl);
|
|
258
|
974 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
975
|
|
|
976 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
977
|
|
|
978 if (pv->sub == &PL_sv_undef) {
|
|
|
979 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
980 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
981 return NGX_CONF_ERROR;
|
|
|
982 }
|
|
|
983
|
|
|
984 if (pv->sub == NULL) {
|
|
|
985 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
986 }
|
|
|
987
|
|
|
988 }
|
|
|
989
|
|
186
|
990 v->get_handler = ngx_http_perl_variable;
|
|
148
|
991 v->data = (uintptr_t) pv;
|
|
|
992
|
|
|
993 return NGX_CONF_OK;
|
|
|
994 }
|
