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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #include "error.h" |
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30 |
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31 #include "../ucx/string.h" |
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32 #include "../util/pblock.h" |
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33 |
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34 // macro for creating an error string (ucx sstr_t) |
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35 #define ERRMSG(s) { s, sizeof(s)-1 } |
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36 |
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37 static sstr_t error_403 = ERRMSG("<html><body>forbidden</body></html>"); |
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38 static sstr_t error_404 = ERRMSG("<html><body>not found</body></html>"); |
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39 static sstr_t error_500 = ERRMSG("<html><body>server error</body></html>"); |
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40 |
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41 static sstr_t error_std = ERRMSG("<html><body>error</body></html>"); |
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42 |
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43 int nsapi_error_request(Session *sn, Request *rq) { |
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44 short status = rq->status_num; |
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45 sstr_t msg = error_std; |
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46 switch(status) { |
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47 case 403: { |
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48 msg = error_403; |
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49 break; |
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50 } |
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51 case 404: { |
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52 msg = error_404; |
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53 break; |
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54 } |
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55 case 500: { |
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56 msg = error_500; |
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57 break; |
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58 } |
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59 } |
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60 |
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61 pblock_kninsert(pb_key_content_length, msg.length, rq->srvhdrs); |
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62 pblock_removekey(pb_key_content_type, rq->srvhdrs); |
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63 pblock_nvinsert("content-type", "text/html", rq->srvhdrs); |
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64 http_start_response(sn, rq); |
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65 |
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66 net_write(sn->csd, msg.ptr, msg.length); |
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67 |
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68 return REQ_PROCEED; |
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69 } |