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148
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <ngx_http_perl_module.h>
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11
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12
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13 typedef struct {
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14 PerlInterpreter **free_perls;
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15 ngx_uint_t interp;
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16 ngx_uint_t nalloc;
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17 ngx_uint_t interp_max;
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18
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19 PerlInterpreter *perl;
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20 ngx_str_t modules;
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21 ngx_array_t requires;
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22 } ngx_http_perl_main_conf_t;
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23
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24
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25 typedef struct {
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26 SV *sub;
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27 ngx_str_t handler;
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28 } ngx_http_perl_loc_conf_t;
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29
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30
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31 typedef struct {
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32 SV *sub;
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33 ngx_str_t handler;
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34 } ngx_http_perl_variable_t;
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35
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36
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166
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37 #if (NGX_HTTP_SSI)
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148
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38 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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39 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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40 #endif
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41
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178
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42 static void ngx_http_perl_handle_request(ngx_http_request_t *r);
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148
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43 static ngx_int_t
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44 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
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45 PerlInterpreter **perl, ngx_log_t *log);
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46 static ngx_inline void
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47 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
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48 PerlInterpreter *perl);
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49 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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50 ngx_http_perl_main_conf_t *pmcf);
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51 static PerlInterpreter *
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52 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
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53 ngx_log_t *log);
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54 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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55 SV *sub, ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv);
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56 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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57
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58 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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59 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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60 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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61 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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62 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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63 void *child);
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64 static char *ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd,
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65 void *conf);
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66 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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67 static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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68 static char *ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post,
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69 void *data);
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70 static void ngx_http_perl_cleanup_perl(void *data);
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71
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72
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73 static ngx_conf_post_handler_pt ngx_http_perl_interp_max_p =
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74 ngx_http_perl_interp_max_unsupported;
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75
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76
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77 static ngx_command_t ngx_http_perl_commands[] = {
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78
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79 { ngx_string("perl_modules"),
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80 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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81 ngx_conf_set_str_slot,
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82 NGX_HTTP_MAIN_CONF_OFFSET,
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83 offsetof(ngx_http_perl_main_conf_t, modules),
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84 NULL },
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85
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86 { ngx_string("perl_require"),
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87 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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88 ngx_http_perl_require,
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89 NGX_HTTP_MAIN_CONF_OFFSET,
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90 0,
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91 NULL },
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92
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93 { ngx_string("perl_interp_max"),
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94 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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95 ngx_conf_set_num_slot,
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96 NGX_HTTP_MAIN_CONF_OFFSET,
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97 offsetof(ngx_http_perl_main_conf_t, interp_max),
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98 &ngx_http_perl_interp_max_p },
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99
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100 { ngx_string("perl"),
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101 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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102 ngx_http_perl,
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103 NGX_HTTP_LOC_CONF_OFFSET,
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104 0,
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105 NULL },
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106
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107 { ngx_string("perl_set"),
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108 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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109 ngx_http_perl_set,
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110 NGX_HTTP_LOC_CONF_OFFSET,
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111 0,
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112 NULL },
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113
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114 ngx_null_command
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115 };
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116
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117
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118 static ngx_http_module_t ngx_http_perl_module_ctx = {
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119 ngx_http_perl_preconfiguration, /* preconfiguration */
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120 NULL, /* postconfiguration */
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121
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122 ngx_http_perl_create_main_conf, /* create main configuration */
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123 ngx_http_perl_init_main_conf, /* init main configuration */
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124
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125 NULL, /* create server configuration */
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126 NULL, /* merge server configuration */
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127
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128 ngx_http_perl_create_loc_conf, /* create location configuration */
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129 ngx_http_perl_merge_loc_conf /* merge location configuration */
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130 };
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131
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132
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133 ngx_module_t ngx_http_perl_module = {
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134 NGX_MODULE_V1,
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135 &ngx_http_perl_module_ctx, /* module context */
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136 ngx_http_perl_commands, /* module directives */
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137 NGX_HTTP_MODULE, /* module type */
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138 NULL, /* init master */
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139 NULL, /* init module */
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140 NULL, /* init process */
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141 NULL, /* init thread */
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142 NULL, /* exit thread */
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143 NULL, /* exit process */
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144 NULL, /* exit master */
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145 NGX_MODULE_V1_PADDING
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146 };
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147
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148
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166
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149 #if (NGX_HTTP_SSI)
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150
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148
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151 #define NGX_HTTP_PERL_SSI_SUB 0
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152 #define NGX_HTTP_PERL_SSI_ARG 1
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153
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154
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155 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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156 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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157 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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158 { ngx_null_string, 0, 0, 0 }
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159 };
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160
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161 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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162 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 1
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163 };
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164
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166
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165 #endif
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166
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148
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167
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182
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168 static HV *nginx_stash;
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169
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148
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170 static void
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171 ngx_http_perl_xs_init(pTHX)
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172 {
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173 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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174
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175 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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176 }
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177
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178
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179 static ngx_int_t
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180 ngx_http_perl_handler(ngx_http_request_t *r)
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181 {
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178
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182 ngx_int_t rc;
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183
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184 /* TODO: Win32 */
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185 if (r->zero_in_uri) {
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186 return NGX_HTTP_NOT_FOUND;
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187 }
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188
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182
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189 r->request_body_in_single_buf = 1;
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190 r->request_body_in_persistent_file = 1;
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191
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178
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192 rc = ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);
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193
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194 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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195 return rc;
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196 }
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197
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198 return NGX_DONE;
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199 }
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200
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201
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202 static void
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203 ngx_http_perl_handle_request(ngx_http_request_t *r)
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204 {
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148
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205 ngx_int_t rc;
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206 ngx_str_t uri, args;
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207 ngx_http_perl_ctx_t *ctx;
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208 ngx_http_perl_loc_conf_t *plcf;
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209 ngx_http_perl_main_conf_t *pmcf;
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210
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211 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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212
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213 /* mod_perl's content handler assumes that content type was already set */
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214
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215 if (ngx_http_set_content_type(r) != NGX_OK) {
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178
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216 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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217 return;
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148
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218 }
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219
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220 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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221
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222 if (ctx == NULL) {
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223 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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224 if (ctx == NULL) {
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178
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225 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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226 return;
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148
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227 }
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228
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229 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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230 }
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231
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232 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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233
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234 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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235
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236 if (rc != NGX_OK) {
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178
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237 ngx_http_finalize_request(r, rc);
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238 return;
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148
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239 }
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240
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241 {
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242
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243 dTHXa(ctx->perl);
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244
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245 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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246
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247 rc = ngx_http_perl_call_handler(aTHX_ r, plcf->sub, NULL,
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248 &plcf->handler, NULL);
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249
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250 }
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251
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252 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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253
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254 if (rc > 600) {
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255 rc = NGX_OK;
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256 }
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257
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258 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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259 "perl handler done: %i", rc);
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260
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261 if (ctx->redirect_uri.len) {
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262 uri = ctx->redirect_uri;
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263 args = ctx->redirect_args;
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178
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264
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265 } else {
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266 uri.len = 0;
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148
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267 }
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268
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182
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269 ctx->filename.data = NULL;
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148
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270 ctx->redirect_uri.len = 0;
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271
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272 if (uri.len) {
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178
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273 ngx_http_internal_redirect(r, &uri, &args);
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274 return;
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148
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275 }
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276
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277 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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278 ngx_http_send_special(r, NGX_HTTP_LAST);
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148
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279 }
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280
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178
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281 ngx_http_finalize_request(r, rc);
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148
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282 }
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283
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284
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285 static ngx_int_t
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286 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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287 uintptr_t data)
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288 {
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289 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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290
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291 ngx_int_t rc;
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292 ngx_str_t value;
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293 ngx_http_perl_ctx_t *ctx;
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294 ngx_http_perl_main_conf_t *pmcf;
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295
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296 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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297 "perl variable handler");
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298
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299 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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300
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301 if (ctx == NULL) {
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302 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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303 if (ctx == NULL) {
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304 return NGX_ERROR;
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305 }
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306
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307 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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308 }
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309
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310 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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311
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312 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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313
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314 if (rc != NGX_OK) {
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315 return rc;
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316 }
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317
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318 value.data = NULL;
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319
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320 {
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321
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322 dTHXa(ctx->perl);
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323
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324 rc = ngx_http_perl_call_handler(aTHX_ r, pv->sub, NULL,
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325 &pv->handler, &value);
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326
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327 }
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328
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329 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
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330
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331 if (value.data) {
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332 v->len = value.len;
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333 v->valid = 1;
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334 v->no_cachable = 0;
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335 v->not_found = 0;
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336 v->data = value.data;
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337
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338 } else {
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339 v->not_found = 1;
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340 }
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341
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182
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342 ctx->filename.data = NULL;
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148
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343 ctx->redirect_uri.len = 0;
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344
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345 return rc;
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346 }
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347
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348
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166
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349 #if (NGX_HTTP_SSI)
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350
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148
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351 static ngx_int_t
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352 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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353 ngx_str_t **params)
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354 {
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355 SV *sv;
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356 ngx_int_t rc;
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357 ngx_str_t *handler;
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358 ngx_http_perl_ctx_t *ctx;
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359 ngx_http_perl_main_conf_t *pmcf;
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360
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361 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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362 "perl ssi handler");
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363
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364 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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365
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366 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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367
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368 if (ctx == NULL) {
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369 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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370 if (ctx == NULL) {
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371 return NGX_ERROR;
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372 }
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373
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374 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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375 }
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376
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377 rc = ngx_http_perl_get_interpreter(pmcf, &ctx->perl, r->connection->log);
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378
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379 if (rc != NGX_OK) {
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380 return rc;
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381 }
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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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390 dTHXa(ctx->perl);
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391
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392 #if 0
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393
|
|
|
394 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
|
|
|
395
|
|
|
396 if (sv == &PL_sv_undef) {
|
|
|
397 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
398 "eval_pv(\"%V\") failed", handler);
|
|
|
399 return NGX_ERROR;
|
|
|
400 }
|
|
|
401
|
|
|
402 if (sv == NULL) {
|
|
|
403 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
404 }
|
|
|
405
|
|
|
406 #endif
|
|
|
407
|
|
|
408 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
409
|
|
|
410 rc = ngx_http_perl_call_handler(aTHX_ r, sv, ¶ms[NGX_HTTP_PERL_SSI_ARG],
|
|
|
411 handler, NULL);
|
|
|
412
|
|
|
413 SvREFCNT_dec(sv);
|
|
|
414
|
|
|
415 }
|
|
|
416
|
|
|
417 ngx_http_perl_free_interpreter(pmcf, ctx->perl);
|
|
|
418
|
|
182
|
419 ctx->filename.data = NULL;
|
|
148
|
420 ctx->redirect_uri.len = 0;
|
|
|
421 ctx->ssi = NULL;
|
|
|
422
|
|
|
423 return rc;
|
|
|
424 }
|
|
|
425
|
|
166
|
426 #endif
|
|
|
427
|
|
148
|
428
|
|
|
429 static ngx_int_t
|
|
|
430 ngx_http_perl_get_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
431 PerlInterpreter **perl, ngx_log_t *log)
|
|
|
432 {
|
|
|
433 if (pmcf->interp) {
|
|
|
434 pmcf->interp--;
|
|
|
435
|
|
|
436 *perl = pmcf->free_perls[pmcf->interp];
|
|
|
437
|
|
|
438 return NGX_OK;
|
|
|
439 }
|
|
|
440
|
|
|
441 if (pmcf->nalloc < pmcf->interp_max) {
|
|
|
442 *perl = ngx_http_perl_create_interpreter(pmcf, log);
|
|
|
443
|
|
|
444 if (*perl) {
|
|
|
445 return NGX_OK;
|
|
|
446 }
|
|
|
447
|
|
|
448 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
449 }
|
|
|
450
|
|
|
451 ngx_log_error(NGX_LOG_ALERT, log, 0, "no free perl interpreter");
|
|
|
452
|
|
|
453 return NGX_HTTP_SERVICE_UNAVAILABLE;
|
|
|
454 }
|
|
|
455
|
|
|
456
|
|
|
457 static ngx_inline void
|
|
|
458 ngx_http_perl_free_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
459 PerlInterpreter *perl)
|
|
|
460 {
|
|
|
461 pmcf->free_perls[pmcf->interp++] = perl;
|
|
|
462 }
|
|
|
463
|
|
|
464
|
|
|
465 static char *
|
|
|
466 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
467 {
|
|
|
468 ngx_pool_cleanup_t *cln;
|
|
|
469
|
|
|
470 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
471 if (cln == NULL) {
|
|
|
472 return NGX_CONF_ERROR;
|
|
|
473 }
|
|
|
474
|
|
|
475 #ifdef NGX_PERL_MODULES
|
|
|
476 if (pmcf->modules.data == NULL) {
|
|
|
477 pmcf->modules.data = NGX_PERL_MODULES;
|
|
|
478 }
|
|
|
479 #endif
|
|
|
480
|
|
178
|
481 if (ngx_conf_full_name(cf->cycle, &pmcf->modules) != NGX_OK) {
|
|
|
482 return NGX_CONF_ERROR;
|
|
|
483 }
|
|
|
484
|
|
148
|
485 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
486
|
|
|
487 pmcf->perl = ngx_http_perl_create_interpreter(pmcf, cf->log);
|
|
|
488
|
|
|
489 if (pmcf->perl == NULL) {
|
|
|
490 PERL_SYS_TERM();
|
|
|
491 return NGX_CONF_ERROR;
|
|
|
492 }
|
|
|
493
|
|
|
494 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
495 cln->data = pmcf->perl;
|
|
|
496
|
|
|
497 return NGX_CONF_OK;
|
|
|
498 }
|
|
|
499
|
|
|
500
|
|
|
501 static PerlInterpreter *
|
|
|
502 ngx_http_perl_create_interpreter(ngx_http_perl_main_conf_t *pmcf,
|
|
|
503 ngx_log_t *log)
|
|
|
504 {
|
|
|
505 int n;
|
|
|
506 char *embedding[6];
|
|
|
507 char **script;
|
|
|
508 STRLEN len;
|
|
|
509 ngx_str_t err;
|
|
|
510 ngx_uint_t i;
|
|
|
511 PerlInterpreter *perl;
|
|
|
512
|
|
|
513 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "create perl interpreter");
|
|
|
514
|
|
|
515 #if (NGX_HAVE_PERL_CLONE)
|
|
|
516
|
|
|
517 if (pmcf->perl) {
|
|
|
518
|
|
|
519 perl = perl_clone(pmcf->perl, CLONEf_KEEP_PTR_TABLE);
|
|
|
520 if (perl == NULL) {
|
|
|
521 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_clone() failed");
|
|
|
522 return NULL;
|
|
|
523 }
|
|
|
524
|
|
|
525 {
|
|
|
526
|
|
|
527 dTHXa(perl);
|
|
|
528
|
|
|
529 ptr_table_free(PL_ptr_table);
|
|
|
530 PL_ptr_table = NULL;
|
|
|
531
|
|
|
532 }
|
|
|
533
|
|
|
534 pmcf->nalloc++;
|
|
|
535
|
|
|
536 return perl;
|
|
|
537 }
|
|
|
538
|
|
|
539 #endif
|
|
|
540
|
|
|
541 perl = perl_alloc();
|
|
|
542 if (perl == NULL) {
|
|
|
543 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_alloc() failed");
|
|
|
544 return NULL;
|
|
|
545 }
|
|
|
546
|
|
|
547 perl_construct(perl);
|
|
|
548
|
|
|
549 {
|
|
|
550
|
|
|
551 dTHXa(perl);
|
|
|
552
|
|
|
553 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
554 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
555 #endif
|
|
|
556
|
|
|
557 embedding[0] = "";
|
|
|
558
|
|
|
559 if (pmcf->modules.data) {
|
|
|
560 embedding[1] = "-I";
|
|
|
561 embedding[2] = (char *) pmcf->modules.data;
|
|
|
562 n = 3;
|
|
|
563
|
|
|
564 } else {
|
|
|
565 n = 1;
|
|
|
566 }
|
|
|
567
|
|
|
568 embedding[n++] = "-Mnginx";
|
|
|
569 embedding[n++] = "-e";
|
|
|
570 embedding[n++] = "0";
|
|
|
571
|
|
|
572 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
573
|
|
|
574 if (n != 0) {
|
|
|
575 ngx_log_error(NGX_LOG_ALERT, log, 0, "perl_parse() failed: %d", n);
|
|
|
576 goto fail;
|
|
|
577 }
|
|
|
578
|
|
|
579 script = pmcf->requires.elts;
|
|
|
580 for (i = 0; i < pmcf->requires.nelts; i++) {
|
|
|
581 require_pv(script[i]);
|
|
|
582
|
|
|
583 if (SvTRUE(ERRSV)) {
|
|
|
584
|
|
|
585 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
586 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
587 /* void */
|
|
|
588 }
|
|
|
589 err.len = len + 1;
|
|
|
590
|
|
|
591 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
592 "require_pv(\"%s\") failed: \"%V\"", script[i], &err);
|
|
|
593 goto fail;
|
|
|
594 }
|
|
|
595 }
|
|
|
596
|
|
|
597 }
|
|
|
598
|
|
|
599 pmcf->nalloc++;
|
|
|
600
|
|
|
601 return perl;
|
|
|
602
|
|
|
603 fail:
|
|
|
604
|
|
|
605 (void) perl_destruct(perl);
|
|
|
606
|
|
|
607 perl_free(perl);
|
|
|
608
|
|
|
609 return NULL;
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 #if (__INTEL_COMPILER)
|
|
|
614 /*
|
|
|
615 * disable 'declaration hides parameter "my_perl"' warning for ENTER and LEAVE
|
|
|
616 */
|
|
|
617 #pragma warning(disable:1599)
|
|
|
618 #endif
|
|
|
619
|
|
|
620
|
|
|
621 static ngx_int_t
|
|
|
622 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, SV *sub,
|
|
|
623 ngx_str_t **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
|
624 {
|
|
|
625 SV *sv;
|
|
|
626 int n, status;
|
|
|
627 char *line;
|
|
|
628 STRLEN len, n_a;
|
|
|
629 ngx_str_t err;
|
|
|
630 ngx_uint_t i;
|
|
|
631
|
|
|
632 dSP;
|
|
|
633
|
|
|
634 status = 0;
|
|
|
635
|
|
|
636 ENTER;
|
|
|
637 SAVETMPS;
|
|
|
638
|
|
|
639 PUSHMARK(sp);
|
|
|
640
|
|
182
|
641 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx_stash));
|
|
148
|
642 XPUSHs(sv);
|
|
|
643
|
|
|
644 if (args) {
|
|
|
645 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
646
|
|
|
647 EXTEND(sp, (int) i);
|
|
|
648
|
|
|
649 for (i = 0; args[i]; i++) {
|
|
|
650 PUSHs(sv_2mortal(newSVpvn((char *) args[i]->data, args[i]->len)));
|
|
|
651 }
|
|
|
652 }
|
|
|
653
|
|
|
654 PUTBACK;
|
|
|
655
|
|
|
656 n = call_sv(sub, G_EVAL);
|
|
|
657
|
|
|
658 SPAGAIN;
|
|
|
659
|
|
|
660 if (n) {
|
|
|
661 if (rv == NULL) {
|
|
|
662 status = POPi;
|
|
|
663
|
|
|
664 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
665 "call_sv: %d", status);
|
|
|
666
|
|
|
667 } else {
|
|
168
|
668 line = SvPVx(POPs, n_a);
|
|
148
|
669 rv->len = n_a;
|
|
|
670
|
|
|
671 rv->data = ngx_palloc(r->pool, n_a);
|
|
|
672 if (rv->data == NULL) {
|
|
|
673 return NGX_ERROR;
|
|
|
674 }
|
|
|
675
|
|
|
676 ngx_memcpy(rv->data, line, n_a);
|
|
|
677 }
|
|
|
678 }
|
|
|
679
|
|
|
680 PUTBACK;
|
|
|
681
|
|
|
682 FREETMPS;
|
|
|
683 LEAVE;
|
|
|
684
|
|
|
685 /* check $@ */
|
|
|
686
|
|
|
687 if (SvTRUE(ERRSV)) {
|
|
|
688
|
|
|
689 err.data = (u_char *) SvPV(ERRSV, len);
|
|
|
690 for (len--; err.data[len] == LF || err.data[len] == CR; len--) {
|
|
|
691 /* void */
|
|
|
692 }
|
|
|
693 err.len = len + 1;
|
|
|
694
|
|
|
695 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
696 "call_sv(\"%V\") failed: \"%V\"",
|
|
|
697 handler, &err);
|
|
|
698
|
|
|
699 if (rv) {
|
|
|
700 return NGX_ERROR;
|
|
|
701 }
|
|
|
702
|
|
|
703 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
704 }
|
|
|
705
|
|
|
706 if (n != 1) {
|
|
|
707 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
708 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
709 status = NGX_OK;
|
|
|
710 }
|
|
|
711
|
|
|
712 if (rv) {
|
|
|
713 return NGX_OK;
|
|
|
714 }
|
|
|
715
|
|
|
716 return (ngx_int_t) status;
|
|
|
717 }
|
|
|
718
|
|
|
719
|
|
|
720 #if (__INTEL_COMPILER)
|
|
|
721 #pragma warning(default:1599)
|
|
|
722 #endif
|
|
|
723
|
|
|
724
|
|
|
725 static void
|
|
|
726 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
727 {
|
|
172
|
728 u_char *p;
|
|
|
729
|
|
|
730 for (p = handler->data; *p; p++) {
|
|
|
731 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
732 break;
|
|
|
733 }
|
|
|
734 }
|
|
|
735
|
|
|
736 if (ngx_strncmp(p, "sub ", 4) == 0
|
|
|
737 || ngx_strncmp(p, "use ", 4) == 0)
|
|
148
|
738 {
|
|
172
|
739 *sv = eval_pv((char *) p, FALSE);
|
|
148
|
740
|
|
|
741 return;
|
|
|
742 }
|
|
|
743
|
|
|
744 *sv = NULL;
|
|
|
745 }
|
|
|
746
|
|
|
747
|
|
|
748 static void *
|
|
|
749 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
750 {
|
|
|
751 ngx_http_perl_main_conf_t *pmcf;
|
|
|
752
|
|
|
753 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
754 if (pmcf == NULL) {
|
|
|
755 return NGX_CONF_ERROR;
|
|
|
756 }
|
|
|
757
|
|
|
758 pmcf->interp_max = NGX_CONF_UNSET_UINT;
|
|
|
759
|
|
|
760 if (ngx_array_init(&pmcf->requires, cf->pool, 1, sizeof(u_char *))
|
|
|
761 != NGX_OK)
|
|
|
762 {
|
|
|
763 return NULL;
|
|
|
764 }
|
|
|
765
|
|
|
766 return pmcf;
|
|
|
767 }
|
|
|
768
|
|
|
769
|
|
|
770 static char *
|
|
|
771 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
772 {
|
|
|
773 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
774
|
|
|
775 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
776 ngx_conf_init_unsigned_value(pmcf->interp_max, 10);
|
|
|
777 #else
|
|
|
778 ngx_conf_init_unsigned_value(pmcf->interp_max, 1);
|
|
|
779 #endif
|
|
|
780
|
|
|
781 pmcf->free_perls = ngx_pcalloc(cf->pool,
|
|
|
782 pmcf->interp_max * sizeof(PerlInterpreter *));
|
|
|
783 if (pmcf->free_perls == NULL) {
|
|
|
784 return NGX_CONF_ERROR;
|
|
|
785 }
|
|
|
786
|
|
|
787 if (pmcf->perl == NULL) {
|
|
|
788 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
789 return NGX_CONF_ERROR;
|
|
|
790 }
|
|
|
791 }
|
|
|
792
|
|
|
793 #if !(NGX_HAVE_PERL_CLONE)
|
|
|
794 ngx_http_perl_free_interpreter(pmcf, pmcf->perl);
|
|
|
795 #endif
|
|
|
796
|
|
|
797 return NGX_CONF_OK;
|
|
|
798 }
|
|
|
799
|
|
|
800
|
|
|
801 static void
|
|
|
802 ngx_http_perl_cleanup_perl(void *data)
|
|
|
803 {
|
|
|
804 PerlInterpreter *perl = data;
|
|
|
805
|
|
|
806 (void) perl_destruct(perl);
|
|
|
807
|
|
|
808 perl_free(perl);
|
|
|
809
|
|
|
810 PERL_SYS_TERM();
|
|
|
811 }
|
|
|
812
|
|
|
813
|
|
|
814 static ngx_int_t
|
|
|
815 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
816 {
|
|
166
|
817 #if (NGX_HTTP_SSI)
|
|
148
|
818 ngx_int_t rc;
|
|
|
819 ngx_http_ssi_main_conf_t *smcf;
|
|
|
820
|
|
|
821 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
822
|
|
|
823 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
824 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
825
|
|
|
826 if (rc != NGX_OK) {
|
|
|
827 if (rc == NGX_BUSY) {
|
|
|
828 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
829 "conflicting SSI command \"%V\"",
|
|
|
830 &ngx_http_perl_ssi_command.name);
|
|
|
831 }
|
|
|
832
|
|
|
833 return NGX_ERROR;
|
|
|
834 }
|
|
166
|
835 #endif
|
|
148
|
836
|
|
|
837 return NGX_OK;
|
|
|
838 }
|
|
|
839
|
|
|
840
|
|
|
841 static void *
|
|
|
842 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
843 {
|
|
|
844 ngx_http_perl_loc_conf_t *plcf;
|
|
|
845
|
|
|
846 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
847 if (plcf == NULL) {
|
|
|
848 return NGX_CONF_ERROR;
|
|
|
849 }
|
|
|
850
|
|
|
851 /*
|
|
|
852 * set by ngx_pcalloc():
|
|
|
853 *
|
|
|
854 * plcf->handler = { 0, NULL };
|
|
|
855 */
|
|
|
856
|
|
|
857 return plcf;
|
|
|
858 }
|
|
|
859
|
|
|
860
|
|
|
861 static char *
|
|
|
862 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
863 {
|
|
|
864 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
865 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
866
|
|
|
867 if (conf->sub == NULL) {
|
|
|
868 conf->sub = prev->sub;
|
|
|
869 conf->handler = prev->handler;
|
|
|
870 }
|
|
|
871
|
|
|
872 return NGX_CONF_OK;
|
|
|
873 }
|
|
|
874
|
|
|
875
|
|
|
876 static char *
|
|
|
877 ngx_http_perl_require(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
878 {
|
|
|
879 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
880
|
|
|
881 u_char **p;
|
|
|
882 ngx_str_t *value;
|
|
|
883
|
|
|
884 value = cf->args->elts;
|
|
|
885
|
|
|
886 p = ngx_array_push(&pmcf->requires);
|
|
|
887
|
|
|
888 if (p == NULL) {
|
|
|
889 return NGX_CONF_ERROR;
|
|
|
890 }
|
|
|
891
|
|
|
892 *p = value[1].data;
|
|
|
893
|
|
|
894 return NGX_CONF_OK;
|
|
|
895 }
|
|
|
896
|
|
|
897
|
|
|
898 static char *
|
|
|
899 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
900 {
|
|
|
901 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
902
|
|
|
903 ngx_str_t *value;
|
|
|
904 ngx_http_core_loc_conf_t *clcf;
|
|
|
905 ngx_http_perl_main_conf_t *pmcf;
|
|
|
906
|
|
|
907 value = cf->args->elts;
|
|
|
908
|
|
|
909 if (plcf->handler.data) {
|
|
|
910 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
911 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
912 return NGX_CONF_ERROR;
|
|
|
913 }
|
|
|
914
|
|
|
915 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
916
|
|
|
917 if (pmcf->perl == NULL) {
|
|
|
918 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
919 return NGX_CONF_ERROR;
|
|
|
920 }
|
|
|
921 }
|
|
|
922
|
|
|
923 plcf->handler = value[1];
|
|
|
924
|
|
|
925 {
|
|
|
926
|
|
|
927 dTHXa(pmcf->perl);
|
|
|
928
|
|
|
929 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
930
|
|
|
931 if (plcf->sub == &PL_sv_undef) {
|
|
|
932 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
933 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
934 return NGX_CONF_ERROR;
|
|
|
935 }
|
|
|
936
|
|
|
937 if (plcf->sub == NULL) {
|
|
|
938 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
939 }
|
|
|
940
|
|
|
941 }
|
|
|
942
|
|
|
943 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
944 clcf->handler = ngx_http_perl_handler;
|
|
|
945
|
|
|
946 return NGX_CONF_OK;
|
|
|
947 }
|
|
|
948
|
|
|
949
|
|
|
950 static char *
|
|
|
951 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
952 {
|
|
|
953 ngx_int_t index;
|
|
|
954 ngx_str_t *value;
|
|
|
955 ngx_http_variable_t *v;
|
|
|
956 ngx_http_perl_variable_t *pv;
|
|
|
957 ngx_http_perl_main_conf_t *pmcf;
|
|
|
958
|
|
|
959 value = cf->args->elts;
|
|
|
960
|
|
|
961 if (value[1].data[0] != '$') {
|
|
|
962 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
963 "invalid variable name \"%V\"", &value[1]);
|
|
|
964 return NGX_CONF_ERROR;
|
|
|
965 }
|
|
|
966
|
|
|
967 value[1].len--;
|
|
|
968 value[1].data++;
|
|
|
969
|
|
|
970 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGABLE);
|
|
|
971 if (v == NULL) {
|
|
|
972 return NGX_CONF_ERROR;
|
|
|
973 }
|
|
|
974
|
|
|
975 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
976 if (pv == NULL) {
|
|
|
977 return NGX_CONF_ERROR;
|
|
|
978 }
|
|
|
979
|
|
|
980 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
981 if (index == NGX_ERROR) {
|
|
|
982 return NGX_CONF_ERROR;
|
|
|
983 }
|
|
|
984
|
|
|
985 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
986
|
|
|
987 if (pmcf->perl == NULL) {
|
|
|
988 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
989 return NGX_CONF_ERROR;
|
|
|
990 }
|
|
|
991 }
|
|
|
992
|
|
|
993 pv->handler = value[2];
|
|
|
994
|
|
|
995 {
|
|
|
996
|
|
|
997 dTHXa(pmcf->perl);
|
|
|
998
|
|
|
999 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
1000
|
|
|
1001 if (pv->sub == &PL_sv_undef) {
|
|
|
1002 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1003 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
1004 return NGX_CONF_ERROR;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 if (pv->sub == NULL) {
|
|
|
1008 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 v->handler = ngx_http_perl_variable;
|
|
|
1014 v->data = (uintptr_t) pv;
|
|
|
1015
|
|
|
1016 return NGX_CONF_OK;
|
|
|
1017 }
|
|
|
1018
|
|
|
1019
|
|
|
1020 static char *
|
|
|
1021 ngx_http_perl_interp_max_unsupported(ngx_conf_t *cf, void *post, void *data)
|
|
|
1022 {
|
|
|
1023 #if (NGX_HAVE_PERL_CLONE || NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
1024
|
|
|
1025 return NGX_CONF_OK;
|
|
|
1026
|
|
|
1027 #else
|
|
|
1028
|
|
|
1029 return "to use perl_interp_max you have to build perl with "
|
|
|
1030 "-Dusemultiplicity or -Dusethreads options";
|
|
|
1031
|
|
|
1032 #endif
|
|
|
1033 }
|
