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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 #define PERL_NO_GET_CONTEXT
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12 #include <ngx_http_perl_module.h>
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13
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152
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14 #include "XSUB.h"
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15
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182
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16 #define ngx_http_perl_set_request(r) \
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17 r = INT2PTR(ngx_http_request_t *, SvIV((SV *) SvRV(ST(0))))
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18
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19
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20 #define ngx_http_perl_set_targ(p, len, z) \
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21 \
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22 sv_upgrade(TARG, SVt_PV); \
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23 SvPOK_on(TARG); \
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24 SvPV_set(TARG, (char *) p); \
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25 SvLEN_set(TARG, len + z); \
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26 SvCUR_set(TARG, len); \
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27 SvFAKE_on(TARG); \
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28 SvREADONLY_on(TARG); \
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29
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148
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30
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31 static ngx_int_t
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32 ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv)
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33 {
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34 u_char *p;
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35 STRLEN len;
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36
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37 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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38 sv = SvRV(sv);
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39 }
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40
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41 p = (u_char *) SvPV(sv, len);
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42
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43 s->len = len;
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44
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45 if (SvREADONLY(sv)) {
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46 s->data = p;
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47 return NGX_OK;
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48 }
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49
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50 s->data = ngx_palloc(r->pool, len);
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51 if (s->data == NULL) {
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52 return NGX_ERROR;
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53 }
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54
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55 ngx_memcpy(s->data, p, len);
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56
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57 return NGX_OK;
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58 }
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59
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60
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61 static ngx_int_t
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62 ngx_http_perl_output(ngx_http_request_t *r, ngx_buf_t *b)
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63 {
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166
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64 ngx_chain_t out;
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65 #if (NGX_HTTP_SSI)
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66 ngx_chain_t *cl;
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148
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67 ngx_http_perl_ctx_t *ctx;
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68
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69 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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70
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71 if (ctx->ssi) {
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72 cl = ngx_alloc_chain_link(r->pool);
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73 if (cl == NULL) {
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74 return NGX_ERROR;
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75 }
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76
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77 cl->buf = b;
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78 cl->next = NULL;
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79 *ctx->ssi->last_out = cl;
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80 ctx->ssi->last_out = &cl->next;
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81
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82 return NGX_OK;
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83 }
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166
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84 #endif
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148
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85
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86 out.buf = b;
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87 out.next = NULL;
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88
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89 return ngx_http_output_filter(r, &out);
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90 }
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91
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92
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93 MODULE = nginx PACKAGE = nginx
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94
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95
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182
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96 void
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148
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97 send_http_header(r, ...)
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182
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98 CODE:
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148
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99
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182
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100 ngx_http_request_t *r;
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101 SV *sv;
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148
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102
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182
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103 ngx_http_perl_set_request(r);
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148
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104
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105 if (r->headers_out.status == 0) {
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106 r->headers_out.status = NGX_HTTP_OK;
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107 }
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108
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109 if (items != 1) {
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110 sv = ST(1);
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111
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112 if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv)
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113 != NGX_OK)
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114 {
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182
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115 XSRETURN_EMPTY;
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148
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116 }
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117
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118 } else {
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119 if (r->headers_out.content_type.len == 0) {
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120 if (ngx_http_set_content_type(r) != NGX_OK) {
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182
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121 XSRETURN_EMPTY;
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148
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122 }
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123 }
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124 }
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125
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182
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126 (void) ngx_http_send_header(r);
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148
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127
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128
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182
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129 void
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130 header_only(r)
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148
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131 CODE:
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132
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182
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133 dXSTARG;
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134 ngx_http_request_t *r;
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135
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136 ngx_http_perl_set_request(r);
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148
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137
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182
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138 sv_upgrade(TARG, SVt_IV);
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139 sv_setiv(TARG, r->header_only);
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148
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140
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182
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141 ST(0) = TARG;
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148
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142
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143
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182
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144 void
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145 uri(r)
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146 CODE:
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147
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148 dXSTARG;
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149 ngx_http_request_t *r;
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148
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150
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182
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151 ngx_http_perl_set_request(r);
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152 ngx_http_perl_set_targ(r->uri.data, r->uri.len, 0);
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153
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154 ST(0) = TARG;
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155
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156
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157 void
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158 args(r)
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148
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159 CODE:
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160
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182
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161 dXSTARG;
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162 ngx_http_request_t *r;
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148
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163
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182
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164 ngx_http_perl_set_request(r);
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165 ngx_http_perl_set_targ(r->args.data, r->args.len, 0);
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148
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166
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182
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167 ST(0) = TARG;
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148
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168
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169
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182
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170 void
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178
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171 request_method(r)
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182
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172 CODE:
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173
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174 dXSTARG;
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175 ngx_http_request_t *r;
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178
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176
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182
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177 ngx_http_perl_set_request(r);
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178 ngx_http_perl_set_targ(r->method_name.data, r->method_name.len, 0);
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179
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180 ST(0) = TARG;
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181
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182
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183 void
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184 remote_addr(r)
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178
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185 CODE:
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186
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182
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187 dXSTARG;
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188 ngx_http_request_t *r;
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178
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189
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182
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190 ngx_http_perl_set_request(r);
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191 ngx_http_perl_set_targ(r->connection->addr_text.data,
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192 r->connection->addr_text.len, 1);
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178
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193
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182
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194 ST(0) = TARG;
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178
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195
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196
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182
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197 void
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198 header_in(r, key)
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178
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199 CODE:
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200
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182
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201 dXSTARG;
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202 ngx_http_request_t *r;
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203 SV *key;
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204 u_char *p;
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205 STRLEN len;
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206 ngx_uint_t i;
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207 ngx_list_part_t *part;
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208 ngx_table_elt_t *header;
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178
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209
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182
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210 ngx_http_perl_set_request(r);
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148
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211
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182
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212 key = ST(1);
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148
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213
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214 if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) {
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215 key = SvRV(key);
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216 }
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217
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218 p = (u_char *) SvPV(key, len);
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219
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220 part = &r->headers_in.headers.part;
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221 header = part->elts;
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222
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223 for (i = 0; /* void */ ; i++) {
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224
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225 if (i >= part->nelts) {
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226 if (part->next == NULL) {
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227 break;
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228 }
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229
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230 part = part->next;
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231 header = part->elts;
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232 i = 0;
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233 }
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234
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235 if (len != header[i].key.len
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236 || ngx_strcasecmp(p, header[i].key.data) != 0)
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237 {
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238 continue;
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239 }
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240
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182
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241 ngx_http_perl_set_targ(header[i].value.data, header[i].value.len, 0);
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148
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242
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243 goto done;
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244 }
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245
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246 XSRETURN_UNDEF;
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247
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248 done:
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249
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182
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250 ST(0) = TARG;
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148
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251
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252
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182
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253 void
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180
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254 request_body(r)
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255 CODE:
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256
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182
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257 dXSTARG;
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258 ngx_http_request_t *r;
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259 size_t len;
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260
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261 ngx_http_perl_set_request(r);
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180
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262
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182
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263 if (r->request_body->temp_file || r->request_body->bufs == NULL) {
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264 XSRETURN_UNDEF;
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265 }
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180
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266
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182
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267 len = r->request_body->bufs->buf->last - r->request_body->bufs->buf->pos;
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180
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268
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269 if (len == 0) {
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270 XSRETURN_UNDEF;
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271 }
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272
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182
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273 ngx_http_perl_set_targ(r->request_body->bufs->buf->pos, len, 0);
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180
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274
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182
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275 ST(0) = TARG;
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180
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276
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277
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182
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278 void
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279 request_body_file(r)
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280 CODE:
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281
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282 dXSTARG;
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283 ngx_http_request_t *r;
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284
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285 ngx_http_perl_set_request(r);
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286
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287 if (r->request_body->temp_file == NULL) {
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288 XSRETURN_UNDEF;
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289 }
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290
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291 ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data,
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292 r->request_body->temp_file->file.name.len, 1);
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148
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293
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182
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294 ST(0) = TARG;
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295
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296
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297 void
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298 header_out(r, key, value)
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299 CODE:
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148
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300
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182
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301 ngx_http_request_t *r;
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302 SV *key;
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303 SV *value;
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304 ngx_table_elt_t *header;
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148
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305
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182
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306 ngx_http_perl_set_request(r);
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307
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308 key = ST(1);
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309 value = ST(2);
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148
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310
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311 header = ngx_list_push(&r->headers_out.headers);
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312 if (header == NULL) {
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182
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313 XSRETURN_EMPTY;
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148
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314 }
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315
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316 header->hash = 1;
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317
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318 if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
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182
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319 XSRETURN_EMPTY;
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148
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320 }
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321
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322 if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) {
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182
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323 XSRETURN_EMPTY;
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148
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324 }
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325
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326 if (header->key.len == sizeof("Content-Length") - 1
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327 && ngx_strncasecmp(header->key.data, "Content-Length",
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328 sizeof("Content-Length") - 1) == 0
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329 && SvIOK(value))
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330 {
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331 r->headers_out.content_length_n = (ssize_t) SvIV(value);;
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332 r->headers_out.content_length = header;
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333 }
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334
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182
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335 XSRETURN_EMPTY;
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148
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336
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337
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182
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338 void
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148
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339 filename(r)
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182
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340 CODE:
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148
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341
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182
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342 dXSTARG;
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343 ngx_http_request_t *r;
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148
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344 ngx_http_perl_ctx_t *ctx;
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345
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182
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346 ngx_http_perl_set_request(r);
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148
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347
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348 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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182
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349 if (ctx->filename.data) {
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148
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350 goto done;
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351 }
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352
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182
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353 if (ngx_http_map_uri_to_path(r, &ctx->filename, 0) == NULL) {
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148
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354 XSRETURN_UNDEF;
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355 }
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356
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182
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357 ctx->filename.len--;
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358 sv_setpv(PL_statname, (char *) ctx->filename.data);
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148
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359
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360 done:
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361
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182
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362 ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len, 1);
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148
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363
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182
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364 ST(0) = TARG;
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148
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365
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366
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182
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367 void
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148
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368 print(r, ...)
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369 CODE:
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370
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182
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371 ngx_http_request_t *r;
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372 SV *sv;
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373 int i;
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374 u_char *p;
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375 size_t size;
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376 STRLEN len;
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377 ngx_buf_t *b;
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378
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379 ngx_http_perl_set_request(r);
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148
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380
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381 if (items == 2) {
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382
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383 /*
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384 * do zero copy for prolate single read-only SV:
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385 * $r->print("some text\n");
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386 */
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387
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388 sv = ST(1);
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389
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390 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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391 sv = SvRV(sv);
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392 }
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393
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394 if (SvREADONLY(sv)) {
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395
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396 p = (u_char *) SvPV(sv, len);
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397
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398 if (len == 0) {
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182
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399 XSRETURN_EMPTY;
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148
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400 }
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401
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402 b = ngx_calloc_buf(r->pool);
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403 if (b == NULL) {
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182
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404 XSRETURN_EMPTY;
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148
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405 }
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406
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407 b->memory = 1;
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408 b->pos = p;
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409 b->last = p + len;
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410 b->start = p;
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411 b->end = b->last;
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412
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150
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413 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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414 "$r->print: read-only SV: %z", len);
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415
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148
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416 goto out;
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417 }
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418 }
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419
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420 size = 0;
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421
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422 for (i = 1; i < items; i++) {
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423
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424 sv = ST(i);
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425
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426 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
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427 sv = SvRV(sv);
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428 }
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429
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150
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430 (void) SvPV(sv, len);
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148
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431
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150
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432 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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|
|
433 "$r->print: copy SV: %z", len);
|
|
148
|
434
|
|
|
435 size += len;
|
|
|
436 }
|
|
|
437
|
|
|
438 if (size == 0) {
|
|
182
|
439 XSRETURN_EMPTY;
|
|
148
|
440 }
|
|
|
441
|
|
|
442 b = ngx_create_temp_buf(r->pool, size);
|
|
|
443 if (b == NULL) {
|
|
182
|
444 XSRETURN_EMPTY;
|
|
148
|
445 }
|
|
|
446
|
|
|
447 for (i = 1; i < items; i++) {
|
|
|
448 sv = ST(i);
|
|
|
449
|
|
|
450 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
|
|
|
451 sv = SvRV(sv);
|
|
|
452 }
|
|
|
453
|
|
|
454 p = (u_char *) SvPV(sv, len);
|
|
|
455 b->last = ngx_cpymem(b->last, p, len);
|
|
|
456 }
|
|
|
457
|
|
|
458 out:
|
|
|
459
|
|
182
|
460 (void) ngx_http_perl_output(r, b);
|
|
148
|
461
|
|
182
|
462 XSRETURN_EMPTY;
|
|
148
|
463
|
|
|
464
|
|
182
|
465 void
|
|
162
|
466 sendfile(r, filename, offset = -1, bytes = 0)
|
|
182
|
467 CODE:
|
|
|
468
|
|
|
469 ngx_http_request_t *r;
|
|
|
470 char *filename;
|
|
162
|
471 int offset;
|
|
|
472 size_t bytes;
|
|
148
|
473 ngx_fd_t fd;
|
|
|
474 ngx_buf_t *b;
|
|
|
475 ngx_file_info_t fi;
|
|
|
476 ngx_pool_cleanup_t *cln;
|
|
|
477 ngx_pool_cleanup_file_t *clnf;
|
|
|
478
|
|
182
|
479 ngx_http_perl_set_request(r);
|
|
|
480
|
|
|
481 filename = SvPV_nolen(ST(1));
|
|
148
|
482
|
|
|
483 if (filename == NULL) {
|
|
|
484 croak("sendfile(): NULL filename");
|
|
|
485 }
|
|
|
486
|
|
182
|
487 offset = items < 3 ? -1 : SvIV(ST(2));
|
|
|
488 bytes = items < 4 ? 0 : SvIV(ST(3));
|
|
|
489
|
|
148
|
490 b = ngx_calloc_buf(r->pool);
|
|
|
491 if (b == NULL) {
|
|
182
|
492 XSRETURN_EMPTY;
|
|
148
|
493 }
|
|
|
494
|
|
|
495 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
|
|
|
496 if (b->file == NULL) {
|
|
182
|
497 XSRETURN_EMPTY;
|
|
148
|
498 }
|
|
|
499
|
|
|
500 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_pool_cleanup_file_t));
|
|
|
501 if (cln == NULL) {
|
|
182
|
502 XSRETURN_EMPTY;
|
|
148
|
503 }
|
|
|
504
|
|
|
505 fd = ngx_open_file((u_char *) filename, NGX_FILE_RDONLY, NGX_FILE_OPEN);
|
|
|
506
|
|
|
507 if (fd == NGX_INVALID_FILE) {
|
|
|
508 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
509 ngx_open_file_n " \"%s\" failed", filename);
|
|
182
|
510 XSRETURN_EMPTY;
|
|
148
|
511 }
|
|
|
512
|
|
162
|
513 if (offset == -1) {
|
|
|
514 offset = 0;
|
|
|
515 }
|
|
|
516
|
|
|
517 if (bytes == 0) {
|
|
|
518 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
|
519 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
520 ngx_fd_info_n " \"%s\" failed", filename);
|
|
148
|
521
|
|
162
|
522 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
523 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
|
|
|
524 ngx_close_file_n " \"%s\" failed", filename);
|
|
|
525 }
|
|
|
526
|
|
182
|
527 XSRETURN_EMPTY;
|
|
148
|
528 }
|
|
|
529
|
|
162
|
530 bytes = ngx_file_size(&fi) - offset;
|
|
148
|
531 }
|
|
|
532
|
|
|
533 cln->handler = ngx_pool_cleanup_file;
|
|
|
534 clnf = cln->data;
|
|
|
535
|
|
|
536 clnf->fd = fd;
|
|
|
537 clnf->name = (u_char *) "";
|
|
|
538 clnf->log = r->pool->log;
|
|
|
539
|
|
|
540 b->in_file = 1;
|
|
162
|
541
|
|
|
542 b->file_pos = offset;
|
|
|
543 b->file_last = offset + bytes;
|
|
148
|
544
|
|
|
545 b->file->fd = fd;
|
|
|
546 b->file->log = r->connection->log;
|
|
|
547
|
|
182
|
548 (void) ngx_http_perl_output(r, b);
|
|
148
|
549
|
|
182
|
550 XSRETURN_EMPTY;
|
|
148
|
551
|
|
|
552
|
|
182
|
553 void
|
|
148
|
554 rflush(r)
|
|
182
|
555 CODE:
|
|
148
|
556
|
|
182
|
557 ngx_http_request_t *r;
|
|
|
558 ngx_buf_t *b;
|
|
148
|
559
|
|
182
|
560 ngx_http_perl_set_request(r);
|
|
148
|
561
|
|
|
562 b = ngx_calloc_buf(r->pool);
|
|
|
563 if (b == NULL) {
|
|
182
|
564 XSRETURN_EMPTY;
|
|
148
|
565 }
|
|
|
566
|
|
|
567 b->flush = 1;
|
|
|
568
|
|
150
|
569 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->rflush");
|
|
|
570
|
|
182
|
571 (void) ngx_http_perl_output(r, b);
|
|
148
|
572
|
|
182
|
573 XSRETURN_EMPTY;
|
|
148
|
574
|
|
|
575
|
|
|
576 void
|
|
|
577 internal_redirect(r, uri)
|
|
182
|
578 CODE:
|
|
148
|
579
|
|
182
|
580 ngx_http_request_t *r;
|
|
|
581 SV *uri;
|
|
148
|
582 ngx_uint_t i;
|
|
|
583 ngx_http_perl_ctx_t *ctx;
|
|
|
584
|
|
182
|
585 ngx_http_perl_set_request(r);
|
|
|
586
|
|
|
587 uri = ST(1);
|
|
148
|
588
|
|
|
589 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
|
|
|
590
|
|
|
591 if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) {
|
|
|
592 XSRETURN_EMPTY;
|
|
|
593 }
|
|
|
594
|
|
|
595 for (i = 0; i < ctx->redirect_uri.len; i++) {
|
|
|
596 if (ctx->redirect_uri.data[i] == '?') {
|
|
|
597
|
|
|
598 ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1);
|
|
|
599 ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1];
|
|
|
600 ctx->redirect_uri.len = i;
|
|
|
601
|
|
|
602 XSRETURN_EMPTY;
|
|
|
603 }
|
|
|
604 }
|
|
150
|
605
|
|
|
606
|
|
182
|
607 void
|
|
150
|
608 unescape(r, text, type = 0)
|
|
|
609 CODE:
|
|
|
610
|
|
182
|
611 dXSTARG;
|
|
|
612 ngx_http_request_t *r;
|
|
|
613 SV *text;
|
|
|
614 int type;
|
|
|
615 u_char *p, *dst, *src;
|
|
|
616 STRLEN len;
|
|
150
|
617
|
|
182
|
618 ngx_http_perl_set_request(r);
|
|
|
619
|
|
|
620 text = ST(1);
|
|
|
621
|
|
|
622 src = (u_char *) SvPV(text, len);
|
|
|
623
|
|
|
624 p = ngx_palloc(r->pool, len + 1);
|
|
150
|
625 if (p == NULL) {
|
|
|
626 XSRETURN_UNDEF;
|
|
|
627 }
|
|
|
628
|
|
|
629 dst = p;
|
|
|
630
|
|
182
|
631 type = items < 3 ? 0 : SvIV(ST(2));
|
|
|
632
|
|
|
633 ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type);
|
|
150
|
634 *dst = '\0';
|
|
|
635
|
|
182
|
636 ngx_http_perl_set_targ(p, dst - p, 1);
|
|
150
|
637
|
|
182
|
638 ST(0) = TARG;
|
