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