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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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222
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119 if (ngx_http_set_content_type(r) != NGX_OK) {
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120 XSRETURN_EMPTY;
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148
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121 }
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122 }
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123
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182
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124 (void) ngx_http_send_header(r);
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148
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125
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126
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182
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127 void
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128 header_only(r)
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148
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129 CODE:
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130
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182
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131 dXSTARG;
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132 ngx_http_request_t *r;
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133
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134 ngx_http_perl_set_request(r);
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148
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135
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182
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136 sv_upgrade(TARG, SVt_IV);
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137 sv_setiv(TARG, r->header_only);
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148
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138
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182
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139 ST(0) = TARG;
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148
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140
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141
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182
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142 void
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143 uri(r)
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144 CODE:
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145
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146 dXSTARG;
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147 ngx_http_request_t *r;
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148
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148
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182
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149 ngx_http_perl_set_request(r);
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150 ngx_http_perl_set_targ(r->uri.data, r->uri.len, 0);
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151
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152 ST(0) = TARG;
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153
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154
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155 void
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156 args(r)
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148
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157 CODE:
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158
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182
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159 dXSTARG;
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160 ngx_http_request_t *r;
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148
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161
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182
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162 ngx_http_perl_set_request(r);
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163 ngx_http_perl_set_targ(r->args.data, r->args.len, 0);
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148
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164
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182
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165 ST(0) = TARG;
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148
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166
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167
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182
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168 void
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178
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169 request_method(r)
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182
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170 CODE:
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171
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172 dXSTARG;
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173 ngx_http_request_t *r;
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178
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174
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182
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175 ngx_http_perl_set_request(r);
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176 ngx_http_perl_set_targ(r->method_name.data, r->method_name.len, 0);
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177
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178 ST(0) = TARG;
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179
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180
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181 void
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182 remote_addr(r)
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178
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183 CODE:
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184
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182
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185 dXSTARG;
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186 ngx_http_request_t *r;
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178
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187
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182
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188 ngx_http_perl_set_request(r);
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189 ngx_http_perl_set_targ(r->connection->addr_text.data,
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190 r->connection->addr_text.len, 1);
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178
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191
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182
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192 ST(0) = TARG;
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178
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193
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194
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182
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195 void
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196 header_in(r, key)
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178
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197 CODE:
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198
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182
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199 dXSTARG;
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216
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200 ngx_http_request_t *r;
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201 SV *key;
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202 u_char *p, *lowcase_key, *cookie;
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203 STRLEN len;
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204 ssize_t size;
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205 ngx_uint_t i, n, hash;
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206 ngx_list_part_t *part;
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207 ngx_table_elt_t *h, **ph;
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208 ngx_http_header_t *hh;
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209 ngx_http_core_main_conf_t *cmcf;
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178
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210
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182
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211 ngx_http_perl_set_request(r);
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148
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212
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182
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213 key = ST(1);
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148
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214
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215 if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) {
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216 key = SvRV(key);
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217 }
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218
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219 p = (u_char *) SvPV(key, len);
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220
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216
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221 /* look up hashed headers */
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222
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223 lowcase_key = ngx_palloc(r->pool, len);
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224 if (lowcase_key == NULL) {
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225 XSRETURN_UNDEF;
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226 }
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227
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228 hash = 0;
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229 for (i = 0; i < len; i++) {
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230 lowcase_key[i] = ngx_tolower(p[i]);
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231 hash = ngx_hash(hash, lowcase_key[i]);
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232 }
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233
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234 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
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235
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236 hh = ngx_hash_find(&cmcf->headers_in_hash, hash, lowcase_key, len);
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237
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238 if (hh) {
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239 if (hh->offset) {
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240
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241 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + hh->offset);
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242
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243 if (*ph) {
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244 ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len, 0);
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245
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246 goto done;
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247 }
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248
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249 XSRETURN_UNDEF;
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250 }
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251
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252 /* Cookie */
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253
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254 n = r->headers_in.cookies.nelts;
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255
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256 if (n == 0) {
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257 XSRETURN_UNDEF;
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258 }
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259
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260 ph = r->headers_in.cookies.elts;
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261
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262 if (n == 1) {
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263 ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len, 0);
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264
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265 goto done;
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266 }
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267
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268 size = - (ssize_t) (sizeof("; ") - 1);
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269
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270 for (i = 0; i < n; i++) {
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271 size += ph[i]->value.len + sizeof("; ") - 1;
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272 }
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273
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274 cookie = ngx_palloc(r->pool, size);
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275 if (cookie == NULL) {
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276 XSRETURN_UNDEF;
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277 }
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278
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279 p = cookie;
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280
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281 for (i = 0; /* void */ ; i++) {
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282 p = ngx_copy(p, ph[i]->value.data, ph[i]->value.len);
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283
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284 if (i == n - 1) {
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285 break;
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286 }
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287
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288 *p++ = ';'; *p++ = ' ';
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289 }
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290
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291 ngx_http_perl_set_targ(cookie, size, 0);
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292
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293 goto done;
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294 }
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295
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296 /* iterate over all headers */
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297
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148
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298 part = &r->headers_in.headers.part;
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216
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299 h = part->elts;
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148
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300
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301 for (i = 0; /* void */ ; i++) {
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302
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303 if (i >= part->nelts) {
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304 if (part->next == NULL) {
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305 break;
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306 }
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307
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308 part = part->next;
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216
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309 h = part->elts;
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148
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310 i = 0;
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311 }
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312
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216
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313 if (len != h[i].key.len
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314 || ngx_strcasecmp(p, h[i].key.data) != 0)
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148
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315 {
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316 continue;
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317 }
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318
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216
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319 ngx_http_perl_set_targ(h[i].value.data, h[i].value.len, 0);
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148
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320
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321 goto done;
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322 }
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323
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324 XSRETURN_UNDEF;
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325
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326 done:
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327
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182
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328 ST(0) = TARG;
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148
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329
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330
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182
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331 void
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180
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332 request_body(r)
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333 CODE:
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334
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182
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335 dXSTARG;
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336 ngx_http_request_t *r;
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337 size_t len;
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338
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339 ngx_http_perl_set_request(r);
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180
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340
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182
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341 if (r->request_body->temp_file || r->request_body->bufs == NULL) {
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342 XSRETURN_UNDEF;
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343 }
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180
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344
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182
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345 len = r->request_body->bufs->buf->last - r->request_body->bufs->buf->pos;
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180
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346
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347 if (len == 0) {
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348 XSRETURN_UNDEF;
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349 }
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350
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182
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351 ngx_http_perl_set_targ(r->request_body->bufs->buf->pos, len, 0);
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180
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352
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182
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353 ST(0) = TARG;
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180
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354
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355
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182
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356 void
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357 request_body_file(r)
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358 CODE:
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359
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360 dXSTARG;
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361 ngx_http_request_t *r;
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362
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363 ngx_http_perl_set_request(r);
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364
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365 if (r->request_body->temp_file == NULL) {
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366 XSRETURN_UNDEF;
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367 }
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368
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369 ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data,
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370 r->request_body->temp_file->file.name.len, 1);
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148
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371
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182
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372 ST(0) = TARG;
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373
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374
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375 void
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376 header_out(r, key, value)
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377 CODE:
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148
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378
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182
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379 ngx_http_request_t *r;
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380 SV *key;
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381 SV *value;
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382 ngx_table_elt_t *header;
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148
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383
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182
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384 ngx_http_perl_set_request(r);
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385
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386 key = ST(1);
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387 value = ST(2);
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148
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388
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389 header = ngx_list_push(&r->headers_out.headers);
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390 if (header == NULL) {
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182
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391 XSRETURN_EMPTY;
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148
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392 }
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393
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394 header->hash = 1;
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395
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396 if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
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182
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397 XSRETURN_EMPTY;
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148
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398 }
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399
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400 if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) {
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182
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401 XSRETURN_EMPTY;
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148
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402 }
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403
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404 if (header->key.len == sizeof("Content-Length") - 1
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405 && ngx_strncasecmp(header->key.data, "Content-Length",
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406 sizeof("Content-Length") - 1) == 0
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407 && SvIOK(value))
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408 {
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409 r->headers_out.content_length_n = (ssize_t) SvIV(value);;
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410 r->headers_out.content_length = header;
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411 }
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412
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182
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413 XSRETURN_EMPTY;
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148
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414
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415
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182
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416 void
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148
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417 filename(r)
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182
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418 CODE:
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148
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419
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182
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420 dXSTARG;
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421 ngx_http_request_t *r;
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148
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422 ngx_http_perl_ctx_t *ctx;
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423
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182
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424 ngx_http_perl_set_request(r);
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148
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425
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426 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
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182
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427 if (ctx->filename.data) {
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148
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428 goto done;
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429 }
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430
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182
|
431 if (ngx_http_map_uri_to_path(r, &ctx->filename, 0) == NULL) {
|
|
148
|
432 XSRETURN_UNDEF;
|
|
|
433 }
|
|
|
434
|
|
182
|
435 ctx->filename.len--;
|
|
|
436 sv_setpv(PL_statname, (char *) ctx->filename.data);
|
|
148
|
437
|
|
|
438 done:
|
|
|
439
|
|
182
|
440 ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len, 1);
|
|
148
|
441
|
|
182
|
442 ST(0) = TARG;
|
|
148
|
443
|
|
|
444
|
|
182
|
445 void
|
|
148
|
446 print(r, ...)
|
|
|
447 CODE:
|
|
|
448
|
|
182
|
449 ngx_http_request_t *r;
|
|
|
450 SV *sv;
|
|
|
451 int i;
|
|
|
452 u_char *p;
|
|
|
453 size_t size;
|
|
|
454 STRLEN len;
|
|
|
455 ngx_buf_t *b;
|
|
|
456
|
|
|
457 ngx_http_perl_set_request(r);
|
|
148
|
458
|
|
|
459 if (items == 2) {
|
|
|
460
|
|
|
461 /*
|
|
|
462 * do zero copy for prolate single read-only SV:
|
|
|
463 * $r->print("some text\n");
|
|
|
464 */
|
|
|
465
|
|
|
466 sv = ST(1);
|
|
|
467
|
|
|
468 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
|
|
|
469 sv = SvRV(sv);
|
|
|
470 }
|
|
|
471
|
|
|
472 if (SvREADONLY(sv)) {
|
|
|
473
|
|
|
474 p = (u_char *) SvPV(sv, len);
|
|
|
475
|
|
|
476 if (len == 0) {
|
|
182
|
477 XSRETURN_EMPTY;
|
|
148
|
478 }
|
|
|
479
|
|
|
480 b = ngx_calloc_buf(r->pool);
|
|
|
481 if (b == NULL) {
|
|
182
|
482 XSRETURN_EMPTY;
|
|
148
|
483 }
|
|
|
484
|
|
|
485 b->memory = 1;
|
|
|
486 b->pos = p;
|
|
|
487 b->last = p + len;
|
|
|
488 b->start = p;
|
|
|
489 b->end = b->last;
|
|
|
490
|
|
150
|
491 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
492 "$r->print: read-only SV: %z", len);
|
|
|
493
|
|
148
|
494 goto out;
|
|
|
495 }
|
|
|
496 }
|
|
|
497
|
|
|
498 size = 0;
|
|
|
499
|
|
|
500 for (i = 1; i < items; i++) {
|
|
|
501
|
|
|
502 sv = ST(i);
|
|
|
503
|
|
|
504 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
|
|
|
505 sv = SvRV(sv);
|
|
|
506 }
|
|
|
507
|
|
150
|
508 (void) SvPV(sv, len);
|
|
148
|
509
|
|
150
|
510 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
511 "$r->print: copy SV: %z", len);
|
|
148
|
512
|
|
|
513 size += len;
|
|
|
514 }
|
|
|
515
|
|
|
516 if (size == 0) {
|
|
182
|
517 XSRETURN_EMPTY;
|
|
148
|
518 }
|
|
|
519
|
|
|
520 b = ngx_create_temp_buf(r->pool, size);
|
|
|
521 if (b == NULL) {
|
|
182
|
522 XSRETURN_EMPTY;
|
|
148
|
523 }
|
|
|
524
|
|
|
525 for (i = 1; i < items; i++) {
|
|
|
526 sv = ST(i);
|
|
|
527
|
|
|
528 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) {
|
|
|
529 sv = SvRV(sv);
|
|
|
530 }
|
|
|
531
|
|
|
532 p = (u_char *) SvPV(sv, len);
|
|
|
533 b->last = ngx_cpymem(b->last, p, len);
|
|
|
534 }
|
|
|
535
|
|
|
536 out:
|
|
|
537
|
|
182
|
538 (void) ngx_http_perl_output(r, b);
|
|
148
|
539
|
|
182
|
540 XSRETURN_EMPTY;
|
|
148
|
541
|
|
|
542
|
|
182
|
543 void
|
|
162
|
544 sendfile(r, filename, offset = -1, bytes = 0)
|
|
182
|
545 CODE:
|
|
|
546
|
|
|
547 ngx_http_request_t *r;
|
|
|
548 char *filename;
|
|
162
|
549 int offset;
|
|
|
550 size_t bytes;
|
|
148
|
551 ngx_fd_t fd;
|
|
|
552 ngx_buf_t *b;
|
|
|
553 ngx_file_info_t fi;
|
|
|
554 ngx_pool_cleanup_t *cln;
|
|
|
555 ngx_pool_cleanup_file_t *clnf;
|
|
|
556
|
|
182
|
557 ngx_http_perl_set_request(r);
|
|
|
558
|
|
|
559 filename = SvPV_nolen(ST(1));
|
|
148
|
560
|
|
|
561 if (filename == NULL) {
|
|
|
562 croak("sendfile(): NULL filename");
|
|
|
563 }
|
|
|
564
|
|
182
|
565 offset = items < 3 ? -1 : SvIV(ST(2));
|
|
|
566 bytes = items < 4 ? 0 : SvIV(ST(3));
|
|
|
567
|
|
148
|
568 b = ngx_calloc_buf(r->pool);
|
|
|
569 if (b == NULL) {
|
|
182
|
570 XSRETURN_EMPTY;
|
|
148
|
571 }
|
|
|
572
|
|
|
573 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
|
|
|
574 if (b->file == NULL) {
|
|
182
|
575 XSRETURN_EMPTY;
|
|
148
|
576 }
|
|
|
577
|
|
|
578 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_pool_cleanup_file_t));
|
|
|
579 if (cln == NULL) {
|
|
182
|
580 XSRETURN_EMPTY;
|
|
148
|
581 }
|
|
|
582
|
|
|
583 fd = ngx_open_file((u_char *) filename, NGX_FILE_RDONLY, NGX_FILE_OPEN);
|
|
|
584
|
|
|
585 if (fd == NGX_INVALID_FILE) {
|
|
|
586 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
587 ngx_open_file_n " \"%s\" failed", filename);
|
|
182
|
588 XSRETURN_EMPTY;
|
|
148
|
589 }
|
|
|
590
|
|
162
|
591 if (offset == -1) {
|
|
|
592 offset = 0;
|
|
|
593 }
|
|
|
594
|
|
|
595 if (bytes == 0) {
|
|
|
596 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
|
597 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
|
598 ngx_fd_info_n " \"%s\" failed", filename);
|
|
148
|
599
|
|
162
|
600 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
601 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
|
|
|
602 ngx_close_file_n " \"%s\" failed", filename);
|
|
|
603 }
|
|
|
604
|
|
182
|
605 XSRETURN_EMPTY;
|
|
148
|
606 }
|
|
|
607
|
|
162
|
608 bytes = ngx_file_size(&fi) - offset;
|
|
148
|
609 }
|
|
|
610
|
|
|
611 cln->handler = ngx_pool_cleanup_file;
|
|
|
612 clnf = cln->data;
|
|
|
613
|
|
|
614 clnf->fd = fd;
|
|
|
615 clnf->name = (u_char *) "";
|
|
|
616 clnf->log = r->pool->log;
|
|
|
617
|
|
|
618 b->in_file = 1;
|
|
162
|
619
|
|
|
620 b->file_pos = offset;
|
|
|
621 b->file_last = offset + bytes;
|
|
148
|
622
|
|
|
623 b->file->fd = fd;
|
|
|
624 b->file->log = r->connection->log;
|
|
|
625
|
|
182
|
626 (void) ngx_http_perl_output(r, b);
|
|
148
|
627
|
|
182
|
628 XSRETURN_EMPTY;
|
|
148
|
629
|
|
|
630
|
|
182
|
631 void
|
|
148
|
632 rflush(r)
|
|
182
|
633 CODE:
|
|
148
|
634
|
|
182
|
635 ngx_http_request_t *r;
|
|
|
636 ngx_buf_t *b;
|
|
148
|
637
|
|
182
|
638 ngx_http_perl_set_request(r);
|
|
148
|
639
|
|
|
640 b = ngx_calloc_buf(r->pool);
|
|
|
641 if (b == NULL) {
|
|
182
|
642 XSRETURN_EMPTY;
|
|
148
|
643 }
|
|
|
644
|
|
|
645 b->flush = 1;
|
|
|
646
|
|
150
|
647 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->rflush");
|
|
|
648
|
|
182
|
649 (void) ngx_http_perl_output(r, b);
|
|
148
|
650
|
|
182
|
651 XSRETURN_EMPTY;
|
|
148
|
652
|
|
|
653
|
|
|
654 void
|
|
|
655 internal_redirect(r, uri)
|
|
182
|
656 CODE:
|
|
148
|
657
|
|
182
|
658 ngx_http_request_t *r;
|
|
|
659 SV *uri;
|
|
148
|
660 ngx_uint_t i;
|
|
|
661 ngx_http_perl_ctx_t *ctx;
|
|
|
662
|
|
182
|
663 ngx_http_perl_set_request(r);
|
|
|
664
|
|
|
665 uri = ST(1);
|
|
148
|
666
|
|
|
667 ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module);
|
|
|
668
|
|
|
669 if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) {
|
|
|
670 XSRETURN_EMPTY;
|
|
|
671 }
|
|
|
672
|
|
|
673 for (i = 0; i < ctx->redirect_uri.len; i++) {
|
|
|
674 if (ctx->redirect_uri.data[i] == '?') {
|
|
|
675
|
|
|
676 ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1);
|
|
|
677 ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1];
|
|
|
678 ctx->redirect_uri.len = i;
|
|
|
679
|
|
|
680 XSRETURN_EMPTY;
|
|
|
681 }
|
|
|
682 }
|
|
150
|
683
|
|
|
684
|
|
182
|
685 void
|
|
150
|
686 unescape(r, text, type = 0)
|
|
|
687 CODE:
|
|
|
688
|
|
182
|
689 dXSTARG;
|
|
|
690 ngx_http_request_t *r;
|
|
|
691 SV *text;
|
|
|
692 int type;
|
|
|
693 u_char *p, *dst, *src;
|
|
|
694 STRLEN len;
|
|
150
|
695
|
|
182
|
696 ngx_http_perl_set_request(r);
|
|
|
697
|
|
|
698 text = ST(1);
|
|
|
699
|
|
|
700 src = (u_char *) SvPV(text, len);
|
|
|
701
|
|
|
702 p = ngx_palloc(r->pool, len + 1);
|
|
150
|
703 if (p == NULL) {
|
|
|
704 XSRETURN_UNDEF;
|
|
|
705 }
|
|
|
706
|
|
|
707 dst = p;
|
|
|
708
|
|
182
|
709 type = items < 3 ? 0 : SvIV(ST(2));
|
|
|
710
|
|
|
711 ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type);
|
|
150
|
712 *dst = '\0';
|
|
|
713
|
|
182
|
714 ngx_http_perl_set_targ(p, dst - p, 1);
|
|
150
|
715
|
|
182
|
716 ST(0) = TARG;
|
