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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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532
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16 ngx_array_t *modules;
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17 ngx_array_t *requires;
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148
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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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166
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33 #if (NGX_HTTP_SSI)
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148
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34 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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35 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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36 #endif
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37
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148
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38 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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39 ngx_http_perl_main_conf_t *pmcf);
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278
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40 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf,
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41 ngx_http_perl_main_conf_t *pmcf);
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202
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42 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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43 ngx_log_t *log);
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148
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44 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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366
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45 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv);
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148
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46 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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47
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48 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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49 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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50 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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51 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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52 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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53 void *child);
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54 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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55 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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56
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57 #if (NGX_HAVE_PERL_MULTIPLICITY)
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148
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58 static void ngx_http_perl_cleanup_perl(void *data);
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198
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59 #endif
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148
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60
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314
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61 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle);
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306
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62 static void ngx_http_perl_exit(ngx_cycle_t *cycle);
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63
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148
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64
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65 static ngx_command_t ngx_http_perl_commands[] = {
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66
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67 { ngx_string("perl_modules"),
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68 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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532
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69 ngx_conf_set_str_array_slot,
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148
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70 NGX_HTTP_MAIN_CONF_OFFSET,
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71 offsetof(ngx_http_perl_main_conf_t, modules),
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72 NULL },
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73
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74 { ngx_string("perl_require"),
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75 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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532
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76 ngx_conf_set_str_array_slot,
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148
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77 NGX_HTTP_MAIN_CONF_OFFSET,
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532
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78 offsetof(ngx_http_perl_main_conf_t, requires),
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148
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79 NULL },
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80
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81 { ngx_string("perl"),
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268
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82 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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148
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83 ngx_http_perl,
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84 NGX_HTTP_LOC_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_set"),
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89 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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90 ngx_http_perl_set,
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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_null_command
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96 };
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97
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98
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99 static ngx_http_module_t ngx_http_perl_module_ctx = {
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100 ngx_http_perl_preconfiguration, /* preconfiguration */
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101 NULL, /* postconfiguration */
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102
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103 ngx_http_perl_create_main_conf, /* create main configuration */
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104 ngx_http_perl_init_main_conf, /* init main configuration */
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105
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106 NULL, /* create server configuration */
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107 NULL, /* merge server configuration */
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108
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109 ngx_http_perl_create_loc_conf, /* create location configuration */
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110 ngx_http_perl_merge_loc_conf /* merge location configuration */
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111 };
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112
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113
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114 ngx_module_t ngx_http_perl_module = {
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115 NGX_MODULE_V1,
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116 &ngx_http_perl_module_ctx, /* module context */
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117 ngx_http_perl_commands, /* module directives */
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118 NGX_HTTP_MODULE, /* module type */
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119 NULL, /* init master */
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120 NULL, /* init module */
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314
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121 ngx_http_perl_init_worker, /* init process */
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148
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122 NULL, /* init thread */
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123 NULL, /* exit thread */
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124 NULL, /* exit process */
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306
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125 ngx_http_perl_exit, /* exit master */
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148
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126 NGX_MODULE_V1_PADDING
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127 };
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128
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129
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166
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130 #if (NGX_HTTP_SSI)
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131
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148
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132 #define NGX_HTTP_PERL_SSI_SUB 0
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133 #define NGX_HTTP_PERL_SSI_ARG 1
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134
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135
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136 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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137 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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138 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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139 { ngx_null_string, 0, 0, 0 }
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140 };
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141
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142 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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143 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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144 };
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145
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166
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146 #endif
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147
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148
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148
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550
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149 static ngx_str_t ngx_null_name = ngx_null_string;
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150 static HV *nginx_stash;
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230
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151
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480
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152 #if (NGX_HAVE_PERL_MULTIPLICITY)
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550
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153 static ngx_uint_t ngx_perl_term;
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154 #else
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155 static PerlInterpreter *perl;
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480
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156 #endif
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230
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157
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182
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158
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148
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159 static void
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160 ngx_http_perl_xs_init(pTHX)
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161 {
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162 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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163
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164 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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165 }
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166
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167
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168 static ngx_int_t
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169 ngx_http_perl_handler(ngx_http_request_t *r)
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170 {
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524
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171 r->main->count++;
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172
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230
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173 ngx_http_perl_handle_request(r);
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174
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175 return NGX_DONE;
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178
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176 }
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177
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178
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230
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179 void
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178
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180 ngx_http_perl_handle_request(ngx_http_request_t *r)
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181 {
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230
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182 SV *sub;
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148
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183 ngx_int_t rc;
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230
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184 ngx_str_t uri, args, *handler;
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148
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185 ngx_http_perl_ctx_t *ctx;
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186 ngx_http_perl_loc_conf_t *plcf;
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187 ngx_http_perl_main_conf_t *pmcf;
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188
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189 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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190
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191 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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192
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193 if (ctx == NULL) {
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194 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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195 if (ctx == NULL) {
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230
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196 ngx_http_finalize_request(r, NGX_ERROR);
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274
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197 return;
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148
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198 }
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199
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200 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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201 }
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202
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203 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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204
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205 {
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206
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258
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207 dTHXa(pmcf->perl);
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208 PERL_SET_CONTEXT(pmcf->perl);
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148
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209
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230
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210 if (ctx->next == NULL) {
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211 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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212 sub = plcf->sub;
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213 handler = &plcf->handler;
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148
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214
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230
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215 } else {
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216 sub = ctx->next;
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217 handler = &ngx_null_name;
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218 ctx->next = NULL;
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219 }
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220
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258
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221 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler,
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222 NULL);
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148
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223
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224 }
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225
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524
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226 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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227 "perl handler done: %i", rc);
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228
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356
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229 if (rc == NGX_DONE) {
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526
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230 ngx_http_finalize_request(r, rc);
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356
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231 return;
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232 }
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233
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148
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234 if (rc > 600) {
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235 rc = NGX_OK;
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236 }
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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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230
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249 if (ctx->done || ctx->next) {
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526
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250 ngx_http_finalize_request(r, NGX_DONE);
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230
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251 return;
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252 }
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253
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148
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254 if (uri.len) {
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178
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255 ngx_http_internal_redirect(r, &uri, &args);
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526
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256 ngx_http_finalize_request(r, NGX_DONE);
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178
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257 return;
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148
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258 }
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259
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260 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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261 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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262 ctx->done = 1;
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148
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263 }
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264
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178
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265 ngx_http_finalize_request(r, rc);
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148
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266 }
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267
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268
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366
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269 void
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266
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270 ngx_http_perl_sleep_handler(ngx_http_request_t *r)
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271 {
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272 ngx_event_t *wev;
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273
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274 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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275 "perl sleep handler");
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276
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277 wev = r->connection->write;
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278
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279 if (wev->timedout) {
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280 wev->timedout = 0;
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281 ngx_http_perl_handle_request(r);
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282 return;
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283 }
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284
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430
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285 if (ngx_handle_write_event(wev, 0) != NGX_OK) {
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266
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286 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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287 }
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288 }
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289
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290
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148
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291 static ngx_int_t
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292 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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293 uintptr_t data)
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294 {
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295 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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296
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297 ngx_int_t rc;
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298 ngx_str_t value;
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299 ngx_http_perl_ctx_t *ctx;
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300 ngx_http_perl_main_conf_t *pmcf;
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301
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302 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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303 "perl variable handler");
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304
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305 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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306
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307 if (ctx == NULL) {
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308 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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309 if (ctx == NULL) {
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310 return NGX_ERROR;
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311 }
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312
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313 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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314 }
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315
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316 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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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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258
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322 dTHXa(pmcf->perl);
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323 PERL_SET_CONTEXT(pmcf->perl);
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148
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324
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258
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325 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL,
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148
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326 &pv->handler, &value);
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327
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328 }
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329
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330 if (value.data) {
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331 v->len = value.len;
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332 v->valid = 1;
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340
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333 v->no_cacheable = 0;
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148
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334 v->not_found = 0;
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335 v->data = value.data;
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336
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337 } else {
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338 v->not_found = 1;
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339 }
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340
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182
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341 ctx->filename.data = NULL;
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148
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342 ctx->redirect_uri.len = 0;
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343
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258
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344 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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345 "perl variable done");
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346
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148
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347 return rc;
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348 }
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349
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350
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166
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351 #if (NGX_HTTP_SSI)
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352
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148
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353 static ngx_int_t
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354 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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355 ngx_str_t **params)
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356 {
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366
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357 SV *sv, **asv;
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148
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358 ngx_int_t rc;
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366
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359 ngx_str_t *handler, **args;
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360 ngx_uint_t i;
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148
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361 ngx_http_perl_ctx_t *ctx;
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362 ngx_http_perl_main_conf_t *pmcf;
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363
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364 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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365 "perl ssi handler");
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366
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367 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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368
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369 if (ctx == NULL) {
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370 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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371 if (ctx == NULL) {
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372 return NGX_ERROR;
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373 }
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374
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375 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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376 }
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377
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258
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378 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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148
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379
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380 ctx->ssi = ssi_ctx;
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381
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382 handler = params[NGX_HTTP_PERL_SSI_SUB];
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383 handler->data[handler->len] = '\0';
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384
|
|
|
385 {
|
|
|
386
|
|
258
|
387 dTHXa(pmcf->perl);
|
|
|
388 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
389
|
|
200
|
390 #if 0
|
|
|
391
|
|
|
392 /* the code is disabled to force the precompiled perl code using only */
|
|
|
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
|
|
148
|
408 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
409
|
|
366
|
410 args = ¶ms[NGX_HTTP_PERL_SSI_ARG];
|
|
|
411
|
|
|
412 if (args) {
|
|
|
413
|
|
|
414 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
415
|
|
|
416 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *));
|
|
|
417
|
|
|
418 if (asv == NULL) {
|
|
|
419 SvREFCNT_dec(sv);
|
|
|
420 return NGX_ERROR;
|
|
|
421 }
|
|
|
422
|
|
|
423 asv[0] = (SV *) i;
|
|
|
424
|
|
|
425 for (i = 0; args[i]; i++) {
|
|
|
426 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len);
|
|
|
427 }
|
|
|
428
|
|
|
429 } else {
|
|
|
430 asv = NULL;
|
|
|
431 }
|
|
|
432
|
|
|
433 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler,
|
|
|
434 NULL);
|
|
148
|
435
|
|
|
436 SvREFCNT_dec(sv);
|
|
|
437
|
|
|
438 }
|
|
|
439
|
|
182
|
440 ctx->filename.data = NULL;
|
|
148
|
441 ctx->redirect_uri.len = 0;
|
|
|
442 ctx->ssi = NULL;
|
|
|
443
|
|
258
|
444 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done");
|
|
|
445
|
|
148
|
446 return rc;
|
|
|
447 }
|
|
|
448
|
|
166
|
449 #endif
|
|
|
450
|
|
148
|
451
|
|
|
452 static char *
|
|
|
453 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
454 {
|
|
550
|
455 ngx_str_t *m;
|
|
|
456 ngx_uint_t i;
|
|
258
|
457 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
550
|
458 ngx_pool_cleanup_t *cln;
|
|
148
|
459
|
|
|
460 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
461 if (cln == NULL) {
|
|
|
462 return NGX_CONF_ERROR;
|
|
|
463 }
|
|
|
464
|
|
198
|
465 #endif
|
|
|
466
|
|
148
|
467 #ifdef NGX_PERL_MODULES
|
|
532
|
468 if (pmcf->modules == NGX_CONF_UNSET_PTR) {
|
|
|
469
|
|
|
470 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
471 if (pmcf->modules == NULL) {
|
|
|
472 return NGX_CONF_ERROR;
|
|
|
473 }
|
|
|
474
|
|
|
475 m = ngx_array_push(pmcf->modules);
|
|
|
476 if (m == NULL) {
|
|
|
477 return NGX_CONF_ERROR;
|
|
|
478 }
|
|
|
479
|
|
570
|
480 ngx_str_set(m, NGX_PERL_MODULES);
|
|
148
|
481 }
|
|
|
482 #endif
|
|
|
483
|
|
532
|
484 if (pmcf->modules != NGX_CONF_UNSET_PTR) {
|
|
|
485 m = pmcf->modules->elts;
|
|
|
486 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
|
487 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) {
|
|
|
488 return NGX_CONF_ERROR;
|
|
|
489 }
|
|
188
|
490 }
|
|
178
|
491 }
|
|
|
492
|
|
258
|
493 #if !(NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
494
|
|
|
495 if (perl) {
|
|
296
|
496
|
|
|
497 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
|
498 return NGX_CONF_ERROR;
|
|
|
499 }
|
|
|
500
|
|
532
|
501 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log)
|
|
202
|
502 != NGX_OK)
|
|
|
503 {
|
|
198
|
504 return NGX_CONF_ERROR;
|
|
|
505 }
|
|
|
506
|
|
|
507 pmcf->perl = perl;
|
|
296
|
508 pmcf->nginx = nginx_stash;
|
|
198
|
509
|
|
|
510 return NGX_CONF_OK;
|
|
|
511 }
|
|
|
512
|
|
|
513 #endif
|
|
|
514
|
|
306
|
515 if (nginx_stash == NULL) {
|
|
|
516 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
517 }
|
|
148
|
518
|
|
278
|
519 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf);
|
|
148
|
520
|
|
|
521 if (pmcf->perl == NULL) {
|
|
|
522 return NGX_CONF_ERROR;
|
|
|
523 }
|
|
|
524
|
|
258
|
525 pmcf->nginx = nginx_stash;
|
|
|
526
|
|
|
527 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
528
|
|
148
|
529 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
530 cln->data = pmcf->perl;
|
|
|
531
|
|
198
|
532 #else
|
|
|
533
|
|
|
534 perl = pmcf->perl;
|
|
|
535
|
|
|
536 #endif
|
|
|
537
|
|
148
|
538 return NGX_CONF_OK;
|
|
|
539 }
|
|
|
540
|
|
|
541
|
|
|
542 static PerlInterpreter *
|
|
278
|
543 ngx_http_perl_create_interpreter(ngx_conf_t *cf,
|
|
|
544 ngx_http_perl_main_conf_t *pmcf)
|
|
148
|
545 {
|
|
|
546 int n;
|
|
248
|
547 STRLEN len;
|
|
|
548 SV *sv;
|
|
532
|
549 char *ver, **embedding;
|
|
|
550 ngx_str_t *m;
|
|
|
551 ngx_uint_t i;
|
|
148
|
552 PerlInterpreter *perl;
|
|
|
553
|
|
278
|
554 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter");
|
|
|
555
|
|
|
556 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
|
557 return NULL;
|
|
|
558 }
|
|
148
|
559
|
|
|
560 perl = perl_alloc();
|
|
|
561 if (perl == NULL) {
|
|
278
|
562 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed");
|
|
148
|
563 return NULL;
|
|
|
564 }
|
|
|
565
|
|
|
566 {
|
|
|
567
|
|
|
568 dTHXa(perl);
|
|
258
|
569 PERL_SET_CONTEXT(perl);
|
|
|
570
|
|
|
571 perl_construct(perl);
|
|
148
|
572
|
|
|
573 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
574 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
575 #endif
|
|
|
576
|
|
532
|
577 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0;
|
|
|
578
|
|
|
579 embedding = ngx_palloc(cf->pool, (4 + n) * sizeof(char *));
|
|
|
580 if (embedding == NULL) {
|
|
|
581 goto fail;
|
|
|
582 }
|
|
|
583
|
|
148
|
584 embedding[0] = "";
|
|
|
585
|
|
532
|
586 if (n++) {
|
|
|
587 m = pmcf->modules->elts;
|
|
|
588 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
|
589 embedding[2 * i + 1] = "-I";
|
|
|
590 embedding[2 * i + 2] = (char *) m[i].data;
|
|
|
591 }
|
|
148
|
592 }
|
|
|
593
|
|
|
594 embedding[n++] = "-Mnginx";
|
|
|
595 embedding[n++] = "-e";
|
|
|
596 embedding[n++] = "0";
|
|
|
597
|
|
|
598 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
599
|
|
|
600 if (n != 0) {
|
|
278
|
601 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n);
|
|
148
|
602 goto fail;
|
|
|
603 }
|
|
|
604
|
|
248
|
605 sv = get_sv("nginx::VERSION", FALSE);
|
|
|
606 ver = SvPV(sv, len);
|
|
|
607
|
|
|
608 if (ngx_strcmp(ver, NGINX_VERSION) != 0) {
|
|
278
|
609 ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
|
|
248
|
610 "version " NGINX_VERSION " of nginx.pm is required, "
|
|
|
611 "but %s was found", ver);
|
|
|
612 goto fail;
|
|
|
613 }
|
|
|
614
|
|
532
|
615 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) {
|
|
198
|
616 goto fail;
|
|
148
|
617 }
|
|
|
618
|
|
|
619 }
|
|
|
620
|
|
|
621 return perl;
|
|
|
622
|
|
|
623 fail:
|
|
|
624
|
|
|
625 (void) perl_destruct(perl);
|
|
|
626
|
|
|
627 perl_free(perl);
|
|
|
628
|
|
|
629 return NULL;
|
|
|
630 }
|
|
|
631
|
|
|
632
|
|
198
|
633 static ngx_int_t
|
|
202
|
634 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
|
198
|
635 {
|
|
532
|
636 u_char *err;
|
|
198
|
637 STRLEN len;
|
|
532
|
638 ngx_str_t *script;
|
|
198
|
639 ngx_uint_t i;
|
|
|
640
|
|
532
|
641 if (requires == NGX_CONF_UNSET_PTR) {
|
|
|
642 return NGX_OK;
|
|
|
643 }
|
|
|
644
|
|
198
|
645 script = requires->elts;
|
|
|
646 for (i = 0; i < requires->nelts; i++) {
|
|
|
647
|
|
532
|
648 require_pv((char *) script[i].data);
|
|
198
|
649
|
|
|
650 if (SvTRUE(ERRSV)) {
|
|
|
651
|
|
532
|
652 err = (u_char *) SvPV(ERRSV, len);
|
|
|
653 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
|
198
|
654
|
|
|
655 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
532
|
656 "require_pv(\"%s\") failed: \"%*s\"",
|
|
|
657 script[i].data, len + 1, err);
|
|
198
|
658
|
|
|
659 return NGX_ERROR;
|
|
|
660 }
|
|
|
661 }
|
|
|
662
|
|
|
663 return NGX_OK;
|
|
|
664 }
|
|
|
665
|
|
|
666
|
|
148
|
667 static ngx_int_t
|
|
258
|
668 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub,
|
|
366
|
669 SV **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
148
|
670 {
|
|
356
|
671 SV *sv;
|
|
|
672 int n, status;
|
|
|
673 char *line;
|
|
532
|
674 u_char *err;
|
|
356
|
675 STRLEN len, n_a;
|
|
|
676 ngx_uint_t i;
|
|
|
677 ngx_connection_t *c;
|
|
148
|
678
|
|
|
679 dSP;
|
|
|
680
|
|
|
681 status = 0;
|
|
|
682
|
|
|
683 ENTER;
|
|
|
684 SAVETMPS;
|
|
|
685
|
|
|
686 PUSHMARK(sp);
|
|
|
687
|
|
258
|
688 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx));
|
|
148
|
689 XPUSHs(sv);
|
|
|
690
|
|
|
691 if (args) {
|
|
370
|
692 EXTEND(sp, (intptr_t) args[0]);
|
|
148
|
693
|
|
366
|
694 for (i = 1; i <= (ngx_uint_t) args[0]; i++) {
|
|
|
695 PUSHs(sv_2mortal(args[i]));
|
|
148
|
696 }
|
|
|
697 }
|
|
|
698
|
|
|
699 PUTBACK;
|
|
|
700
|
|
356
|
701 c = r->connection;
|
|
|
702
|
|
148
|
703 n = call_sv(sub, G_EVAL);
|
|
|
704
|
|
|
705 SPAGAIN;
|
|
|
706
|
|
|
707 if (n) {
|
|
|
708 if (rv == NULL) {
|
|
|
709 status = POPi;
|
|
|
710
|
|
356
|
711 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
148
|
712 "call_sv: %d", status);
|
|
|
713
|
|
|
714 } else {
|
|
168
|
715 line = SvPVx(POPs, n_a);
|
|
148
|
716 rv->len = n_a;
|
|
|
717
|
|
382
|
718 rv->data = ngx_pnalloc(r->pool, n_a);
|
|
148
|
719 if (rv->data == NULL) {
|
|
|
720 return NGX_ERROR;
|
|
|
721 }
|
|
|
722
|
|
|
723 ngx_memcpy(rv->data, line, n_a);
|
|
|
724 }
|
|
|
725 }
|
|
|
726
|
|
|
727 PUTBACK;
|
|
|
728
|
|
|
729 FREETMPS;
|
|
|
730 LEAVE;
|
|
|
731
|
|
|
732 /* check $@ */
|
|
|
733
|
|
|
734 if (SvTRUE(ERRSV)) {
|
|
|
735
|
|
532
|
736 err = (u_char *) SvPV(ERRSV, len);
|
|
|
737 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
|
148
|
738
|
|
356
|
739 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
532
|
740 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err);
|
|
148
|
741
|
|
|
742 if (rv) {
|
|
|
743 return NGX_ERROR;
|
|
|
744 }
|
|
|
745
|
|
|
746 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
747 }
|
|
|
748
|
|
|
749 if (n != 1) {
|
|
356
|
750 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
148
|
751 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
752 status = NGX_OK;
|
|
|
753 }
|
|
|
754
|
|
|
755 if (rv) {
|
|
|
756 return NGX_OK;
|
|
|
757 }
|
|
|
758
|
|
|
759 return (ngx_int_t) status;
|
|
|
760 }
|
|
|
761
|
|
|
762
|
|
|
763 static void
|
|
|
764 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
765 {
|
|
172
|
766 u_char *p;
|
|
|
767
|
|
|
768 for (p = handler->data; *p; p++) {
|
|
|
769 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
770 break;
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
528
|
774 if (ngx_strncmp(p, "sub ", 4) == 0
|
|
|
775 || ngx_strncmp(p, "sub{", 4) == 0
|
|
|
776 || ngx_strncmp(p, "use ", 4) == 0)
|
|
|
777 {
|
|
172
|
778 *sv = eval_pv((char *) p, FALSE);
|
|
258
|
779
|
|
|
780 /* eval_pv() does not set ERRSV on failure */
|
|
|
781
|
|
148
|
782 return;
|
|
|
783 }
|
|
|
784
|
|
|
785 *sv = NULL;
|
|
|
786 }
|
|
|
787
|
|
|
788
|
|
|
789 static void *
|
|
|
790 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
791 {
|
|
|
792 ngx_http_perl_main_conf_t *pmcf;
|
|
|
793
|
|
|
794 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
795 if (pmcf == NULL) {
|
|
496
|
796 return NULL;
|
|
148
|
797 }
|
|
|
798
|
|
532
|
799 pmcf->modules = NGX_CONF_UNSET_PTR;
|
|
|
800 pmcf->requires = NGX_CONF_UNSET_PTR;
|
|
148
|
801
|
|
|
802 return pmcf;
|
|
|
803 }
|
|
|
804
|
|
|
805
|
|
|
806 static char *
|
|
|
807 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
808 {
|
|
|
809 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
810
|
|
|
811 if (pmcf->perl == NULL) {
|
|
|
812 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
813 return NGX_CONF_ERROR;
|
|
|
814 }
|
|
|
815 }
|
|
|
816
|
|
|
817 return NGX_CONF_OK;
|
|
|
818 }
|
|
|
819
|
|
|
820
|
|
258
|
821 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
822
|
|
148
|
823 static void
|
|
|
824 ngx_http_perl_cleanup_perl(void *data)
|
|
|
825 {
|
|
198
|
826 PerlInterpreter *perl = data;
|
|
148
|
827
|
|
258
|
828 PERL_SET_CONTEXT(perl);
|
|
|
829
|
|
148
|
830 (void) perl_destruct(perl);
|
|
|
831
|
|
|
832 perl_free(perl);
|
|
480
|
833
|
|
|
834 if (ngx_perl_term) {
|
|
|
835 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term");
|
|
|
836
|
|
|
837 PERL_SYS_TERM();
|
|
|
838 }
|
|
148
|
839 }
|
|
|
840
|
|
198
|
841 #endif
|
|
|
842
|
|
|
843
|
|
148
|
844 static ngx_int_t
|
|
|
845 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
846 {
|
|
166
|
847 #if (NGX_HTTP_SSI)
|
|
148
|
848 ngx_int_t rc;
|
|
|
849 ngx_http_ssi_main_conf_t *smcf;
|
|
|
850
|
|
|
851 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
852
|
|
|
853 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
854 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
855
|
|
|
856 if (rc != NGX_OK) {
|
|
|
857 if (rc == NGX_BUSY) {
|
|
|
858 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
859 "conflicting SSI command \"%V\"",
|
|
|
860 &ngx_http_perl_ssi_command.name);
|
|
|
861 }
|
|
|
862
|
|
|
863 return NGX_ERROR;
|
|
|
864 }
|
|
166
|
865 #endif
|
|
148
|
866
|
|
|
867 return NGX_OK;
|
|
|
868 }
|
|
|
869
|
|
|
870
|
|
|
871 static void *
|
|
|
872 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
873 {
|
|
|
874 ngx_http_perl_loc_conf_t *plcf;
|
|
|
875
|
|
|
876 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
877 if (plcf == NULL) {
|
|
496
|
878 return NULL;
|
|
148
|
879 }
|
|
|
880
|
|
|
881 /*
|
|
|
882 * set by ngx_pcalloc():
|
|
|
883 *
|
|
|
884 * plcf->handler = { 0, NULL };
|
|
|
885 */
|
|
|
886
|
|
|
887 return plcf;
|
|
|
888 }
|
|
|
889
|
|
|
890
|
|
|
891 static char *
|
|
|
892 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
893 {
|
|
|
894 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
895 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
896
|
|
|
897 if (conf->sub == NULL) {
|
|
|
898 conf->sub = prev->sub;
|
|
|
899 conf->handler = prev->handler;
|
|
|
900 }
|
|
|
901
|
|
|
902 return NGX_CONF_OK;
|
|
|
903 }
|
|
|
904
|
|
|
905
|
|
|
906 static char *
|
|
|
907 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
908 {
|
|
|
909 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
910
|
|
|
911 ngx_str_t *value;
|
|
|
912 ngx_http_core_loc_conf_t *clcf;
|
|
|
913 ngx_http_perl_main_conf_t *pmcf;
|
|
|
914
|
|
|
915 value = cf->args->elts;
|
|
|
916
|
|
|
917 if (plcf->handler.data) {
|
|
|
918 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
919 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
920 return NGX_CONF_ERROR;
|
|
|
921 }
|
|
|
922
|
|
|
923 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
924
|
|
|
925 if (pmcf->perl == NULL) {
|
|
|
926 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
927 return NGX_CONF_ERROR;
|
|
|
928 }
|
|
|
929 }
|
|
|
930
|
|
|
931 plcf->handler = value[1];
|
|
|
932
|
|
|
933 {
|
|
|
934
|
|
|
935 dTHXa(pmcf->perl);
|
|
258
|
936 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
937
|
|
|
938 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
939
|
|
|
940 if (plcf->sub == &PL_sv_undef) {
|
|
|
941 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
942 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
943 return NGX_CONF_ERROR;
|
|
|
944 }
|
|
|
945
|
|
|
946 if (plcf->sub == NULL) {
|
|
|
947 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
948 }
|
|
|
949
|
|
|
950 }
|
|
|
951
|
|
|
952 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
953 clcf->handler = ngx_http_perl_handler;
|
|
|
954
|
|
|
955 return NGX_CONF_OK;
|
|
|
956 }
|
|
|
957
|
|
|
958
|
|
|
959 static char *
|
|
|
960 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
961 {
|
|
|
962 ngx_int_t index;
|
|
|
963 ngx_str_t *value;
|
|
|
964 ngx_http_variable_t *v;
|
|
|
965 ngx_http_perl_variable_t *pv;
|
|
|
966 ngx_http_perl_main_conf_t *pmcf;
|
|
|
967
|
|
|
968 value = cf->args->elts;
|
|
|
969
|
|
|
970 if (value[1].data[0] != '$') {
|
|
|
971 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
972 "invalid variable name \"%V\"", &value[1]);
|
|
|
973 return NGX_CONF_ERROR;
|
|
|
974 }
|
|
|
975
|
|
|
976 value[1].len--;
|
|
|
977 value[1].data++;
|
|
|
978
|
|
340
|
979 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE);
|
|
148
|
980 if (v == NULL) {
|
|
|
981 return NGX_CONF_ERROR;
|
|
|
982 }
|
|
|
983
|
|
|
984 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
985 if (pv == NULL) {
|
|
|
986 return NGX_CONF_ERROR;
|
|
|
987 }
|
|
|
988
|
|
|
989 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
990 if (index == NGX_ERROR) {
|
|
|
991 return NGX_CONF_ERROR;
|
|
|
992 }
|
|
|
993
|
|
|
994 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
995
|
|
|
996 if (pmcf->perl == NULL) {
|
|
|
997 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
998 return NGX_CONF_ERROR;
|
|
|
999 }
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 pv->handler = value[2];
|
|
|
1003
|
|
|
1004 {
|
|
|
1005
|
|
|
1006 dTHXa(pmcf->perl);
|
|
258
|
1007 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
1008
|
|
|
1009 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
1010
|
|
|
1011 if (pv->sub == &PL_sv_undef) {
|
|
|
1012 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1013 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
1014 return NGX_CONF_ERROR;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 if (pv->sub == NULL) {
|
|
|
1018 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 }
|
|
|
1022
|
|
186
|
1023 v->get_handler = ngx_http_perl_variable;
|
|
148
|
1024 v->data = (uintptr_t) pv;
|
|
|
1025
|
|
|
1026 return NGX_CONF_OK;
|
|
|
1027 }
|
|
306
|
1028
|
|
|
1029
|
|
314
|
1030 static ngx_int_t
|
|
|
1031 ngx_http_perl_init_worker(ngx_cycle_t *cycle)
|
|
|
1032 {
|
|
|
1033 ngx_http_perl_main_conf_t *pmcf;
|
|
|
1034
|
|
|
1035 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
|
1036
|
|
480
|
1037 if (pmcf) {
|
|
|
1038 dTHXa(pmcf->perl);
|
|
|
1039 PERL_SET_CONTEXT(pmcf->perl);
|
|
314
|
1040
|
|
480
|
1041 /* set worker's $$ */
|
|
314
|
1042
|
|
480
|
1043 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid);
|
|
314
|
1044 }
|
|
|
1045
|
|
|
1046 return NGX_OK;
|
|
|
1047 }
|
|
|
1048
|
|
370
|
1049
|
|
306
|
1050 static void
|
|
|
1051 ngx_http_perl_exit(ngx_cycle_t *cycle)
|
|
|
1052 {
|
|
480
|
1053 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
1054
|
|
550
|
1055 /*
|
|
|
1056 * the master exit hook is run before global pool cleanup,
|
|
|
1057 * therefore just set flag here
|
|
|
1058 */
|
|
|
1059
|
|
480
|
1060 ngx_perl_term = 1;
|
|
|
1061
|
|
|
1062 #else
|
|
370
|
1063
|
|
550
|
1064 if (nginx_stash) {
|
|
480
|
1065 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term");
|
|
370
|
1066
|
|
550
|
1067 (void) perl_destruct(perl);
|
|
370
|
1068
|
|
550
|
1069 perl_free(perl);
|
|
370
|
1070
|
|
480
|
1071 PERL_SYS_TERM();
|
|
370
|
1072 }
|
|
480
|
1073
|
|
|
1074 #endif
|
|
306
|
1075 }
|
