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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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660
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4 * Copyright (C) Nginx, Inc.
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148
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11 #include <ngx_http_perl_module.h>
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12
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13
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14 typedef struct {
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15 PerlInterpreter *perl;
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258
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16 HV *nginx;
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532
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17 ngx_array_t *modules;
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18 ngx_array_t *requires;
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148
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19 } ngx_http_perl_main_conf_t;
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20
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21
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22 typedef struct {
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23 SV *sub;
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24 ngx_str_t handler;
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25 } ngx_http_perl_loc_conf_t;
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26
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27
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28 typedef struct {
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29 SV *sub;
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30 ngx_str_t handler;
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31 } ngx_http_perl_variable_t;
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32
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33
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166
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34 #if (NGX_HTTP_SSI)
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148
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35 static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r,
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36 ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params);
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166
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37 #endif
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38
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148
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39 static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf,
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40 ngx_http_perl_main_conf_t *pmcf);
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278
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41 static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf,
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42 ngx_http_perl_main_conf_t *pmcf);
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202
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43 static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires,
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198
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44 ngx_log_t *log);
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148
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45 static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
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366
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46 HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv);
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148
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47 static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv);
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48
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49 static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf);
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50 static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf);
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51 static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf);
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52 static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf);
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53 static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent,
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54 void *child);
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55 static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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56 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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57
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58 #if (NGX_HAVE_PERL_MULTIPLICITY)
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148
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59 static void ngx_http_perl_cleanup_perl(void *data);
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198
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60 #endif
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148
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61
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314
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62 static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle);
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306
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63 static void ngx_http_perl_exit(ngx_cycle_t *cycle);
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64
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148
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65
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66 static ngx_command_t ngx_http_perl_commands[] = {
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67
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68 { ngx_string("perl_modules"),
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69 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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532
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70 ngx_conf_set_str_array_slot,
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148
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71 NGX_HTTP_MAIN_CONF_OFFSET,
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72 offsetof(ngx_http_perl_main_conf_t, modules),
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73 NULL },
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74
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75 { ngx_string("perl_require"),
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76 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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532
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77 ngx_conf_set_str_array_slot,
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148
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78 NGX_HTTP_MAIN_CONF_OFFSET,
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532
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79 offsetof(ngx_http_perl_main_conf_t, requires),
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148
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80 NULL },
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81
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82 { ngx_string("perl"),
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268
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83 NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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148
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84 ngx_http_perl,
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85 NGX_HTTP_LOC_CONF_OFFSET,
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86 0,
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87 NULL },
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88
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89 { ngx_string("perl_set"),
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90 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2,
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91 ngx_http_perl_set,
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92 NGX_HTTP_LOC_CONF_OFFSET,
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93 0,
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94 NULL },
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95
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96 ngx_null_command
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97 };
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98
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99
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100 static ngx_http_module_t ngx_http_perl_module_ctx = {
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101 ngx_http_perl_preconfiguration, /* preconfiguration */
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102 NULL, /* postconfiguration */
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103
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104 ngx_http_perl_create_main_conf, /* create main configuration */
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105 ngx_http_perl_init_main_conf, /* init main configuration */
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106
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107 NULL, /* create server configuration */
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108 NULL, /* merge server configuration */
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109
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110 ngx_http_perl_create_loc_conf, /* create location configuration */
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111 ngx_http_perl_merge_loc_conf /* merge location configuration */
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112 };
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113
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114
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115 ngx_module_t ngx_http_perl_module = {
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116 NGX_MODULE_V1,
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117 &ngx_http_perl_module_ctx, /* module context */
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118 ngx_http_perl_commands, /* module directives */
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119 NGX_HTTP_MODULE, /* module type */
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120 NULL, /* init master */
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121 NULL, /* init module */
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314
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122 ngx_http_perl_init_worker, /* init process */
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148
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123 NULL, /* init thread */
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124 NULL, /* exit thread */
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125 NULL, /* exit process */
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306
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126 ngx_http_perl_exit, /* exit master */
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148
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127 NGX_MODULE_V1_PADDING
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128 };
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129
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130
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166
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131 #if (NGX_HTTP_SSI)
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132
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148
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133 #define NGX_HTTP_PERL_SSI_SUB 0
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134 #define NGX_HTTP_PERL_SSI_ARG 1
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135
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136
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137 static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = {
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138 { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 },
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139 { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 },
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140 { ngx_null_string, 0, 0, 0 }
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141 };
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142
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143 static ngx_http_ssi_command_t ngx_http_perl_ssi_command = {
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216
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144 ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1
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148
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145 };
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146
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166
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147 #endif
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148
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148
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149
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550
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150 static ngx_str_t ngx_null_name = ngx_null_string;
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151 static HV *nginx_stash;
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230
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152
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480
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153 #if (NGX_HAVE_PERL_MULTIPLICITY)
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550
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154 static ngx_uint_t ngx_perl_term;
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155 #else
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156 static PerlInterpreter *perl;
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480
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157 #endif
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230
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158
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182
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159
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148
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160 static void
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161 ngx_http_perl_xs_init(pTHX)
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162 {
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163 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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182
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164
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165 nginx_stash = gv_stashpv("nginx", TRUE);
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148
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166 }
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167
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168
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169 static ngx_int_t
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170 ngx_http_perl_handler(ngx_http_request_t *r)
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171 {
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524
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172 r->main->count++;
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173
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230
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174 ngx_http_perl_handle_request(r);
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175
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176 return NGX_DONE;
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178
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177 }
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178
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179
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230
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180 void
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178
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181 ngx_http_perl_handle_request(ngx_http_request_t *r)
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182 {
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230
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183 SV *sub;
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148
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184 ngx_int_t rc;
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230
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185 ngx_str_t uri, args, *handler;
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148
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186 ngx_http_perl_ctx_t *ctx;
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187 ngx_http_perl_loc_conf_t *plcf;
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188 ngx_http_perl_main_conf_t *pmcf;
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189
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190 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler");
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191
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192 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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193
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194 if (ctx == NULL) {
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195 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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196 if (ctx == NULL) {
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230
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197 ngx_http_finalize_request(r, NGX_ERROR);
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274
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198 return;
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148
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199 }
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200
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201 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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202 }
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203
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204 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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205
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206 {
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207
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258
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208 dTHXa(pmcf->perl);
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209 PERL_SET_CONTEXT(pmcf->perl);
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148
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210
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230
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211 if (ctx->next == NULL) {
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212 plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module);
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213 sub = plcf->sub;
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214 handler = &plcf->handler;
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148
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215
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230
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216 } else {
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217 sub = ctx->next;
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218 handler = &ngx_null_name;
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219 ctx->next = NULL;
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220 }
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221
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258
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222 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler,
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223 NULL);
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148
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224
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225 }
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226
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524
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227 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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228 "perl handler done: %i", rc);
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229
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356
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230 if (rc == NGX_DONE) {
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526
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231 ngx_http_finalize_request(r, rc);
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356
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232 return;
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233 }
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234
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148
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235 if (rc > 600) {
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236 rc = NGX_OK;
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237 }
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238
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239 if (ctx->redirect_uri.len) {
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240 uri = ctx->redirect_uri;
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241 args = ctx->redirect_args;
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178
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242
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243 } else {
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244 uri.len = 0;
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148
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245 }
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246
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182
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247 ctx->filename.data = NULL;
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148
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248 ctx->redirect_uri.len = 0;
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249
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230
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250 if (ctx->done || ctx->next) {
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526
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251 ngx_http_finalize_request(r, NGX_DONE);
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230
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252 return;
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253 }
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254
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148
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255 if (uri.len) {
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178
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256 ngx_http_internal_redirect(r, &uri, &args);
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526
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257 ngx_http_finalize_request(r, NGX_DONE);
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178
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258 return;
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148
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259 }
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260
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261 if (rc == NGX_OK || rc == NGX_HTTP_OK) {
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178
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262 ngx_http_send_special(r, NGX_HTTP_LAST);
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230
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263 ctx->done = 1;
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148
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264 }
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265
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178
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266 ngx_http_finalize_request(r, rc);
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148
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267 }
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268
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269
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366
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270 void
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266
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271 ngx_http_perl_sleep_handler(ngx_http_request_t *r)
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272 {
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273 ngx_event_t *wev;
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274
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275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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276 "perl sleep handler");
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277
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278 wev = r->connection->write;
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279
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280 if (wev->timedout) {
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281 wev->timedout = 0;
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282 ngx_http_perl_handle_request(r);
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283 return;
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284 }
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285
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430
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286 if (ngx_handle_write_event(wev, 0) != NGX_OK) {
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266
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287 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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288 }
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289 }
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290
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291
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148
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292 static ngx_int_t
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293 ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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294 uintptr_t data)
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295 {
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296 ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data;
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297
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298 ngx_int_t rc;
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299 ngx_str_t value;
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300 ngx_http_perl_ctx_t *ctx;
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301 ngx_http_perl_main_conf_t *pmcf;
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302
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303 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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304 "perl variable handler");
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305
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306 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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307
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308 if (ctx == NULL) {
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309 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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310 if (ctx == NULL) {
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311 return NGX_ERROR;
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312 }
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313
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314 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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315 }
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316
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317 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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318
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319 value.data = NULL;
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320
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321 {
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322
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258
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323 dTHXa(pmcf->perl);
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324 PERL_SET_CONTEXT(pmcf->perl);
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148
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325
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258
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326 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL,
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148
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327 &pv->handler, &value);
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328
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329 }
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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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340
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334 v->no_cacheable = 0;
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148
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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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258
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345 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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346 "perl variable done");
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347
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148
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348 return rc;
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349 }
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350
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351
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166
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352 #if (NGX_HTTP_SSI)
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353
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148
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354 static ngx_int_t
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355 ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx,
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356 ngx_str_t **params)
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357 {
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366
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358 SV *sv, **asv;
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148
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359 ngx_int_t rc;
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366
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360 ngx_str_t *handler, **args;
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361 ngx_uint_t i;
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148
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362 ngx_http_perl_ctx_t *ctx;
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363 ngx_http_perl_main_conf_t *pmcf;
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364
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365 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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366 "perl ssi handler");
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367
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368 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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369
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370 if (ctx == NULL) {
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371 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t));
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372 if (ctx == NULL) {
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373 return NGX_ERROR;
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374 }
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375
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376 ngx_http_set_ctx(r, ctx, ngx_http_perl_module);
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377 }
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378
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258
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379 pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module);
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148
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380
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381 ctx->ssi = ssi_ctx;
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382
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383 handler = params[NGX_HTTP_PERL_SSI_SUB];
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|
|
384 handler->data[handler->len] = '\0';
|
|
|
385
|
|
|
386 {
|
|
|
387
|
|
258
|
388 dTHXa(pmcf->perl);
|
|
|
389 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
390
|
|
200
|
391 #if 0
|
|
|
392
|
|
|
393 /* the code is disabled to force the precompiled perl code using only */
|
|
|
394
|
|
|
395 ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv);
|
|
|
396
|
|
|
397 if (sv == &PL_sv_undef) {
|
|
|
398 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
399 "eval_pv(\"%V\") failed", handler);
|
|
|
400 return NGX_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 if (sv == NULL) {
|
|
|
404 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
405 }
|
|
|
406
|
|
|
407 #endif
|
|
|
408
|
|
148
|
409 sv = newSVpvn((char *) handler->data, handler->len);
|
|
|
410
|
|
366
|
411 args = ¶ms[NGX_HTTP_PERL_SSI_ARG];
|
|
|
412
|
|
|
413 if (args) {
|
|
|
414
|
|
|
415 for (i = 0; args[i]; i++) { /* void */ }
|
|
|
416
|
|
|
417 asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *));
|
|
|
418
|
|
|
419 if (asv == NULL) {
|
|
|
420 SvREFCNT_dec(sv);
|
|
|
421 return NGX_ERROR;
|
|
|
422 }
|
|
|
423
|
|
|
424 asv[0] = (SV *) i;
|
|
|
425
|
|
|
426 for (i = 0; args[i]; i++) {
|
|
|
427 asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len);
|
|
|
428 }
|
|
|
429
|
|
|
430 } else {
|
|
|
431 asv = NULL;
|
|
|
432 }
|
|
|
433
|
|
|
434 rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler,
|
|
|
435 NULL);
|
|
148
|
436
|
|
|
437 SvREFCNT_dec(sv);
|
|
|
438
|
|
|
439 }
|
|
|
440
|
|
182
|
441 ctx->filename.data = NULL;
|
|
148
|
442 ctx->redirect_uri.len = 0;
|
|
|
443 ctx->ssi = NULL;
|
|
|
444
|
|
258
|
445 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done");
|
|
|
446
|
|
148
|
447 return rc;
|
|
|
448 }
|
|
|
449
|
|
166
|
450 #endif
|
|
|
451
|
|
148
|
452
|
|
|
453 static char *
|
|
|
454 ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf)
|
|
|
455 {
|
|
550
|
456 ngx_str_t *m;
|
|
|
457 ngx_uint_t i;
|
|
258
|
458 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
550
|
459 ngx_pool_cleanup_t *cln;
|
|
148
|
460
|
|
|
461 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
462 if (cln == NULL) {
|
|
|
463 return NGX_CONF_ERROR;
|
|
|
464 }
|
|
|
465
|
|
198
|
466 #endif
|
|
|
467
|
|
148
|
468 #ifdef NGX_PERL_MODULES
|
|
532
|
469 if (pmcf->modules == NGX_CONF_UNSET_PTR) {
|
|
|
470
|
|
|
471 pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
472 if (pmcf->modules == NULL) {
|
|
|
473 return NGX_CONF_ERROR;
|
|
|
474 }
|
|
|
475
|
|
|
476 m = ngx_array_push(pmcf->modules);
|
|
|
477 if (m == NULL) {
|
|
|
478 return NGX_CONF_ERROR;
|
|
|
479 }
|
|
|
480
|
|
570
|
481 ngx_str_set(m, NGX_PERL_MODULES);
|
|
148
|
482 }
|
|
|
483 #endif
|
|
|
484
|
|
532
|
485 if (pmcf->modules != NGX_CONF_UNSET_PTR) {
|
|
|
486 m = pmcf->modules->elts;
|
|
|
487 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
|
488 if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) {
|
|
|
489 return NGX_CONF_ERROR;
|
|
|
490 }
|
|
188
|
491 }
|
|
178
|
492 }
|
|
|
493
|
|
258
|
494 #if !(NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
495
|
|
|
496 if (perl) {
|
|
296
|
497
|
|
|
498 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
|
499 return NGX_CONF_ERROR;
|
|
|
500 }
|
|
|
501
|
|
532
|
502 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log)
|
|
202
|
503 != NGX_OK)
|
|
|
504 {
|
|
198
|
505 return NGX_CONF_ERROR;
|
|
|
506 }
|
|
|
507
|
|
|
508 pmcf->perl = perl;
|
|
296
|
509 pmcf->nginx = nginx_stash;
|
|
198
|
510
|
|
|
511 return NGX_CONF_OK;
|
|
|
512 }
|
|
|
513
|
|
|
514 #endif
|
|
|
515
|
|
306
|
516 if (nginx_stash == NULL) {
|
|
|
517 PERL_SYS_INIT(&ngx_argc, &ngx_argv);
|
|
|
518 }
|
|
148
|
519
|
|
278
|
520 pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf);
|
|
148
|
521
|
|
|
522 if (pmcf->perl == NULL) {
|
|
|
523 return NGX_CONF_ERROR;
|
|
|
524 }
|
|
|
525
|
|
258
|
526 pmcf->nginx = nginx_stash;
|
|
|
527
|
|
|
528 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
529
|
|
148
|
530 cln->handler = ngx_http_perl_cleanup_perl;
|
|
|
531 cln->data = pmcf->perl;
|
|
|
532
|
|
198
|
533 #else
|
|
|
534
|
|
|
535 perl = pmcf->perl;
|
|
|
536
|
|
|
537 #endif
|
|
|
538
|
|
148
|
539 return NGX_CONF_OK;
|
|
|
540 }
|
|
|
541
|
|
|
542
|
|
|
543 static PerlInterpreter *
|
|
278
|
544 ngx_http_perl_create_interpreter(ngx_conf_t *cf,
|
|
|
545 ngx_http_perl_main_conf_t *pmcf)
|
|
148
|
546 {
|
|
|
547 int n;
|
|
248
|
548 STRLEN len;
|
|
|
549 SV *sv;
|
|
532
|
550 char *ver, **embedding;
|
|
|
551 ngx_str_t *m;
|
|
|
552 ngx_uint_t i;
|
|
148
|
553 PerlInterpreter *perl;
|
|
|
554
|
|
278
|
555 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter");
|
|
|
556
|
|
|
557 if (ngx_set_environment(cf->cycle, NULL) == NULL) {
|
|
|
558 return NULL;
|
|
|
559 }
|
|
148
|
560
|
|
|
561 perl = perl_alloc();
|
|
|
562 if (perl == NULL) {
|
|
278
|
563 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed");
|
|
148
|
564 return NULL;
|
|
|
565 }
|
|
|
566
|
|
|
567 {
|
|
|
568
|
|
|
569 dTHXa(perl);
|
|
258
|
570 PERL_SET_CONTEXT(perl);
|
|
|
571
|
|
|
572 perl_construct(perl);
|
|
148
|
573
|
|
|
574 #ifdef PERL_EXIT_DESTRUCT_END
|
|
|
575 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
|
|
|
576 #endif
|
|
|
577
|
|
532
|
578 n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0;
|
|
|
579
|
|
|
580 embedding = ngx_palloc(cf->pool, (4 + n) * sizeof(char *));
|
|
|
581 if (embedding == NULL) {
|
|
|
582 goto fail;
|
|
|
583 }
|
|
|
584
|
|
148
|
585 embedding[0] = "";
|
|
|
586
|
|
532
|
587 if (n++) {
|
|
|
588 m = pmcf->modules->elts;
|
|
|
589 for (i = 0; i < pmcf->modules->nelts; i++) {
|
|
|
590 embedding[2 * i + 1] = "-I";
|
|
|
591 embedding[2 * i + 2] = (char *) m[i].data;
|
|
|
592 }
|
|
148
|
593 }
|
|
|
594
|
|
|
595 embedding[n++] = "-Mnginx";
|
|
|
596 embedding[n++] = "-e";
|
|
|
597 embedding[n++] = "0";
|
|
|
598
|
|
|
599 n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL);
|
|
|
600
|
|
|
601 if (n != 0) {
|
|
278
|
602 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n);
|
|
148
|
603 goto fail;
|
|
|
604 }
|
|
|
605
|
|
248
|
606 sv = get_sv("nginx::VERSION", FALSE);
|
|
|
607 ver = SvPV(sv, len);
|
|
|
608
|
|
|
609 if (ngx_strcmp(ver, NGINX_VERSION) != 0) {
|
|
278
|
610 ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
|
|
248
|
611 "version " NGINX_VERSION " of nginx.pm is required, "
|
|
|
612 "but %s was found", ver);
|
|
|
613 goto fail;
|
|
|
614 }
|
|
|
615
|
|
532
|
616 if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) {
|
|
198
|
617 goto fail;
|
|
148
|
618 }
|
|
|
619
|
|
|
620 }
|
|
|
621
|
|
|
622 return perl;
|
|
|
623
|
|
|
624 fail:
|
|
|
625
|
|
|
626 (void) perl_destruct(perl);
|
|
|
627
|
|
|
628 perl_free(perl);
|
|
|
629
|
|
|
630 return NULL;
|
|
|
631 }
|
|
|
632
|
|
|
633
|
|
198
|
634 static ngx_int_t
|
|
202
|
635 ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log)
|
|
198
|
636 {
|
|
532
|
637 u_char *err;
|
|
198
|
638 STRLEN len;
|
|
532
|
639 ngx_str_t *script;
|
|
198
|
640 ngx_uint_t i;
|
|
|
641
|
|
532
|
642 if (requires == NGX_CONF_UNSET_PTR) {
|
|
|
643 return NGX_OK;
|
|
|
644 }
|
|
|
645
|
|
198
|
646 script = requires->elts;
|
|
|
647 for (i = 0; i < requires->nelts; i++) {
|
|
|
648
|
|
532
|
649 require_pv((char *) script[i].data);
|
|
198
|
650
|
|
|
651 if (SvTRUE(ERRSV)) {
|
|
|
652
|
|
532
|
653 err = (u_char *) SvPV(ERRSV, len);
|
|
|
654 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
|
198
|
655
|
|
|
656 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
532
|
657 "require_pv(\"%s\") failed: \"%*s\"",
|
|
|
658 script[i].data, len + 1, err);
|
|
198
|
659
|
|
|
660 return NGX_ERROR;
|
|
|
661 }
|
|
|
662 }
|
|
|
663
|
|
|
664 return NGX_OK;
|
|
|
665 }
|
|
|
666
|
|
|
667
|
|
148
|
668 static ngx_int_t
|
|
258
|
669 ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub,
|
|
366
|
670 SV **args, ngx_str_t *handler, ngx_str_t *rv)
|
|
148
|
671 {
|
|
356
|
672 SV *sv;
|
|
|
673 int n, status;
|
|
|
674 char *line;
|
|
532
|
675 u_char *err;
|
|
356
|
676 STRLEN len, n_a;
|
|
|
677 ngx_uint_t i;
|
|
|
678 ngx_connection_t *c;
|
|
148
|
679
|
|
|
680 dSP;
|
|
|
681
|
|
|
682 status = 0;
|
|
|
683
|
|
|
684 ENTER;
|
|
|
685 SAVETMPS;
|
|
|
686
|
|
|
687 PUSHMARK(sp);
|
|
|
688
|
|
258
|
689 sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx));
|
|
148
|
690 XPUSHs(sv);
|
|
|
691
|
|
|
692 if (args) {
|
|
370
|
693 EXTEND(sp, (intptr_t) args[0]);
|
|
148
|
694
|
|
366
|
695 for (i = 1; i <= (ngx_uint_t) args[0]; i++) {
|
|
|
696 PUSHs(sv_2mortal(args[i]));
|
|
148
|
697 }
|
|
|
698 }
|
|
|
699
|
|
|
700 PUTBACK;
|
|
|
701
|
|
356
|
702 c = r->connection;
|
|
|
703
|
|
148
|
704 n = call_sv(sub, G_EVAL);
|
|
|
705
|
|
|
706 SPAGAIN;
|
|
|
707
|
|
|
708 if (n) {
|
|
|
709 if (rv == NULL) {
|
|
|
710 status = POPi;
|
|
|
711
|
|
356
|
712 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
148
|
713 "call_sv: %d", status);
|
|
|
714
|
|
|
715 } else {
|
|
168
|
716 line = SvPVx(POPs, n_a);
|
|
148
|
717 rv->len = n_a;
|
|
|
718
|
|
382
|
719 rv->data = ngx_pnalloc(r->pool, n_a);
|
|
148
|
720 if (rv->data == NULL) {
|
|
|
721 return NGX_ERROR;
|
|
|
722 }
|
|
|
723
|
|
|
724 ngx_memcpy(rv->data, line, n_a);
|
|
|
725 }
|
|
|
726 }
|
|
|
727
|
|
|
728 PUTBACK;
|
|
|
729
|
|
|
730 FREETMPS;
|
|
|
731 LEAVE;
|
|
|
732
|
|
|
733 /* check $@ */
|
|
|
734
|
|
|
735 if (SvTRUE(ERRSV)) {
|
|
|
736
|
|
532
|
737 err = (u_char *) SvPV(ERRSV, len);
|
|
|
738 while (--len && (err[len] == CR || err[len] == LF)) { /* void */ }
|
|
148
|
739
|
|
356
|
740 ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
532
|
741 "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err);
|
|
148
|
742
|
|
|
743 if (rv) {
|
|
|
744 return NGX_ERROR;
|
|
|
745 }
|
|
|
746
|
|
|
747 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
748 }
|
|
|
749
|
|
|
750 if (n != 1) {
|
|
356
|
751 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
148
|
752 "call_sv(\"%V\") returned %d results", handler, n);
|
|
|
753 status = NGX_OK;
|
|
|
754 }
|
|
|
755
|
|
|
756 if (rv) {
|
|
|
757 return NGX_OK;
|
|
|
758 }
|
|
|
759
|
|
|
760 return (ngx_int_t) status;
|
|
|
761 }
|
|
|
762
|
|
|
763
|
|
|
764 static void
|
|
|
765 ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv)
|
|
|
766 {
|
|
172
|
767 u_char *p;
|
|
|
768
|
|
|
769 for (p = handler->data; *p; p++) {
|
|
|
770 if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) {
|
|
|
771 break;
|
|
|
772 }
|
|
|
773 }
|
|
|
774
|
|
528
|
775 if (ngx_strncmp(p, "sub ", 4) == 0
|
|
|
776 || ngx_strncmp(p, "sub{", 4) == 0
|
|
|
777 || ngx_strncmp(p, "use ", 4) == 0)
|
|
|
778 {
|
|
172
|
779 *sv = eval_pv((char *) p, FALSE);
|
|
258
|
780
|
|
|
781 /* eval_pv() does not set ERRSV on failure */
|
|
|
782
|
|
148
|
783 return;
|
|
|
784 }
|
|
|
785
|
|
|
786 *sv = NULL;
|
|
|
787 }
|
|
|
788
|
|
|
789
|
|
|
790 static void *
|
|
|
791 ngx_http_perl_create_main_conf(ngx_conf_t *cf)
|
|
|
792 {
|
|
|
793 ngx_http_perl_main_conf_t *pmcf;
|
|
|
794
|
|
|
795 pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t));
|
|
|
796 if (pmcf == NULL) {
|
|
496
|
797 return NULL;
|
|
148
|
798 }
|
|
|
799
|
|
532
|
800 pmcf->modules = NGX_CONF_UNSET_PTR;
|
|
|
801 pmcf->requires = NGX_CONF_UNSET_PTR;
|
|
148
|
802
|
|
|
803 return pmcf;
|
|
|
804 }
|
|
|
805
|
|
|
806
|
|
|
807 static char *
|
|
|
808 ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
809 {
|
|
|
810 ngx_http_perl_main_conf_t *pmcf = conf;
|
|
|
811
|
|
|
812 if (pmcf->perl == NULL) {
|
|
|
813 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
814 return NGX_CONF_ERROR;
|
|
|
815 }
|
|
|
816 }
|
|
|
817
|
|
|
818 return NGX_CONF_OK;
|
|
|
819 }
|
|
|
820
|
|
|
821
|
|
258
|
822 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
198
|
823
|
|
148
|
824 static void
|
|
|
825 ngx_http_perl_cleanup_perl(void *data)
|
|
|
826 {
|
|
198
|
827 PerlInterpreter *perl = data;
|
|
148
|
828
|
|
258
|
829 PERL_SET_CONTEXT(perl);
|
|
|
830
|
|
148
|
831 (void) perl_destruct(perl);
|
|
|
832
|
|
|
833 perl_free(perl);
|
|
480
|
834
|
|
|
835 if (ngx_perl_term) {
|
|
|
836 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term");
|
|
|
837
|
|
|
838 PERL_SYS_TERM();
|
|
|
839 }
|
|
148
|
840 }
|
|
|
841
|
|
198
|
842 #endif
|
|
|
843
|
|
|
844
|
|
148
|
845 static ngx_int_t
|
|
|
846 ngx_http_perl_preconfiguration(ngx_conf_t *cf)
|
|
|
847 {
|
|
166
|
848 #if (NGX_HTTP_SSI)
|
|
148
|
849 ngx_int_t rc;
|
|
|
850 ngx_http_ssi_main_conf_t *smcf;
|
|
|
851
|
|
|
852 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
853
|
|
|
854 rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name,
|
|
|
855 &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY);
|
|
|
856
|
|
|
857 if (rc != NGX_OK) {
|
|
|
858 if (rc == NGX_BUSY) {
|
|
|
859 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
860 "conflicting SSI command \"%V\"",
|
|
|
861 &ngx_http_perl_ssi_command.name);
|
|
|
862 }
|
|
|
863
|
|
|
864 return NGX_ERROR;
|
|
|
865 }
|
|
166
|
866 #endif
|
|
148
|
867
|
|
|
868 return NGX_OK;
|
|
|
869 }
|
|
|
870
|
|
|
871
|
|
|
872 static void *
|
|
|
873 ngx_http_perl_create_loc_conf(ngx_conf_t *cf)
|
|
|
874 {
|
|
|
875 ngx_http_perl_loc_conf_t *plcf;
|
|
|
876
|
|
|
877 plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t));
|
|
|
878 if (plcf == NULL) {
|
|
496
|
879 return NULL;
|
|
148
|
880 }
|
|
|
881
|
|
|
882 /*
|
|
|
883 * set by ngx_pcalloc():
|
|
|
884 *
|
|
|
885 * plcf->handler = { 0, NULL };
|
|
|
886 */
|
|
|
887
|
|
|
888 return plcf;
|
|
|
889 }
|
|
|
890
|
|
|
891
|
|
|
892 static char *
|
|
|
893 ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
894 {
|
|
|
895 ngx_http_perl_loc_conf_t *prev = parent;
|
|
|
896 ngx_http_perl_loc_conf_t *conf = child;
|
|
|
897
|
|
|
898 if (conf->sub == NULL) {
|
|
|
899 conf->sub = prev->sub;
|
|
|
900 conf->handler = prev->handler;
|
|
|
901 }
|
|
|
902
|
|
|
903 return NGX_CONF_OK;
|
|
|
904 }
|
|
|
905
|
|
|
906
|
|
|
907 static char *
|
|
|
908 ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
909 {
|
|
|
910 ngx_http_perl_loc_conf_t *plcf = conf;
|
|
|
911
|
|
|
912 ngx_str_t *value;
|
|
|
913 ngx_http_core_loc_conf_t *clcf;
|
|
|
914 ngx_http_perl_main_conf_t *pmcf;
|
|
|
915
|
|
|
916 value = cf->args->elts;
|
|
|
917
|
|
|
918 if (plcf->handler.data) {
|
|
|
919 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
920 "duplicate perl handler \"%V\"", &value[1]);
|
|
|
921 return NGX_CONF_ERROR;
|
|
|
922 }
|
|
|
923
|
|
|
924 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
925
|
|
|
926 if (pmcf->perl == NULL) {
|
|
|
927 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
928 return NGX_CONF_ERROR;
|
|
|
929 }
|
|
|
930 }
|
|
|
931
|
|
|
932 plcf->handler = value[1];
|
|
|
933
|
|
|
934 {
|
|
|
935
|
|
|
936 dTHXa(pmcf->perl);
|
|
258
|
937 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
938
|
|
|
939 ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub);
|
|
|
940
|
|
|
941 if (plcf->sub == &PL_sv_undef) {
|
|
|
942 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
943 "eval_pv(\"%V\") failed", &value[1]);
|
|
|
944 return NGX_CONF_ERROR;
|
|
|
945 }
|
|
|
946
|
|
|
947 if (plcf->sub == NULL) {
|
|
|
948 plcf->sub = newSVpvn((char *) value[1].data, value[1].len);
|
|
|
949 }
|
|
|
950
|
|
|
951 }
|
|
|
952
|
|
|
953 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
954 clcf->handler = ngx_http_perl_handler;
|
|
|
955
|
|
|
956 return NGX_CONF_OK;
|
|
|
957 }
|
|
|
958
|
|
|
959
|
|
|
960 static char *
|
|
|
961 ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
962 {
|
|
|
963 ngx_int_t index;
|
|
|
964 ngx_str_t *value;
|
|
|
965 ngx_http_variable_t *v;
|
|
|
966 ngx_http_perl_variable_t *pv;
|
|
|
967 ngx_http_perl_main_conf_t *pmcf;
|
|
|
968
|
|
|
969 value = cf->args->elts;
|
|
|
970
|
|
|
971 if (value[1].data[0] != '$') {
|
|
|
972 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
973 "invalid variable name \"%V\"", &value[1]);
|
|
|
974 return NGX_CONF_ERROR;
|
|
|
975 }
|
|
|
976
|
|
|
977 value[1].len--;
|
|
|
978 value[1].data++;
|
|
|
979
|
|
340
|
980 v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE);
|
|
148
|
981 if (v == NULL) {
|
|
|
982 return NGX_CONF_ERROR;
|
|
|
983 }
|
|
|
984
|
|
|
985 pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t));
|
|
|
986 if (pv == NULL) {
|
|
|
987 return NGX_CONF_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 index = ngx_http_get_variable_index(cf, &value[1]);
|
|
|
991 if (index == NGX_ERROR) {
|
|
|
992 return NGX_CONF_ERROR;
|
|
|
993 }
|
|
|
994
|
|
|
995 pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module);
|
|
|
996
|
|
|
997 if (pmcf->perl == NULL) {
|
|
|
998 if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) {
|
|
|
999 return NGX_CONF_ERROR;
|
|
|
1000 }
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 pv->handler = value[2];
|
|
|
1004
|
|
|
1005 {
|
|
|
1006
|
|
|
1007 dTHXa(pmcf->perl);
|
|
258
|
1008 PERL_SET_CONTEXT(pmcf->perl);
|
|
148
|
1009
|
|
|
1010 ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub);
|
|
|
1011
|
|
|
1012 if (pv->sub == &PL_sv_undef) {
|
|
|
1013 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
1014 "eval_pv(\"%V\") failed", &value[2]);
|
|
|
1015 return NGX_CONF_ERROR;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 if (pv->sub == NULL) {
|
|
|
1019 pv->sub = newSVpvn((char *) value[2].data, value[2].len);
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 }
|
|
|
1023
|
|
186
|
1024 v->get_handler = ngx_http_perl_variable;
|
|
148
|
1025 v->data = (uintptr_t) pv;
|
|
|
1026
|
|
|
1027 return NGX_CONF_OK;
|
|
|
1028 }
|
|
306
|
1029
|
|
|
1030
|
|
314
|
1031 static ngx_int_t
|
|
|
1032 ngx_http_perl_init_worker(ngx_cycle_t *cycle)
|
|
|
1033 {
|
|
|
1034 ngx_http_perl_main_conf_t *pmcf;
|
|
|
1035
|
|
|
1036 pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module);
|
|
|
1037
|
|
480
|
1038 if (pmcf) {
|
|
|
1039 dTHXa(pmcf->perl);
|
|
|
1040 PERL_SET_CONTEXT(pmcf->perl);
|
|
314
|
1041
|
|
480
|
1042 /* set worker's $$ */
|
|
314
|
1043
|
|
480
|
1044 sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid);
|
|
314
|
1045 }
|
|
|
1046
|
|
|
1047 return NGX_OK;
|
|
|
1048 }
|
|
|
1049
|
|
370
|
1050
|
|
306
|
1051 static void
|
|
|
1052 ngx_http_perl_exit(ngx_cycle_t *cycle)
|
|
|
1053 {
|
|
480
|
1054 #if (NGX_HAVE_PERL_MULTIPLICITY)
|
|
|
1055
|
|
550
|
1056 /*
|
|
|
1057 * the master exit hook is run before global pool cleanup,
|
|
|
1058 * therefore just set flag here
|
|
|
1059 */
|
|
|
1060
|
|
480
|
1061 ngx_perl_term = 1;
|
|
|
1062
|
|
|
1063 #else
|
|
370
|
1064
|
|
550
|
1065 if (nginx_stash) {
|
|
480
|
1066 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term");
|
|
370
|
1067
|
|
550
|
1068 (void) perl_destruct(perl);
|
|
370
|
1069
|
|
550
|
1070 perl_free(perl);
|
|
370
|
1071
|
|
480
|
1072 PERL_SYS_TERM();
|
|
370
|
1073 }
|
|
480
|
1074
|
|
|
1075 #endif
|
|
306
|
1076 }
|
