src/server/webdav/parser.c

Mon, 09 Sep 2013 12:15:54 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 09 Sep 2013 12:15:54 +0200
changeset 93
95b77e842db3
parent 91
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permissions
-rw-r--r--

fixed solaris build

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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 <stdio.h>
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30 #include <stdlib.h>
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31 #include <unistd.h>
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32
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33 #include "parser.h"
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34
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35
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36 void xmlerrorfnc(void * ctx, const char * msg, ... ) {
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37 // nothing
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38 }
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39
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40 static int xinit = 0;
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41
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42 PropfindRequest* dav_parse_propfind2(
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43 Session *sn,
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44 Request *rq,
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45 char *xml,
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46 size_t len)
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47 {
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48 if(!xinit) {
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49 xmlGenericErrorFunc fnc = xmlerrorfnc;
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50 initGenericErrorDefaultFunc(&fnc);
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51 xinit = 1;
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52 }
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53
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54 PropfindRequest *davrq = (PropfindRequest*)pool_calloc(
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55 sn->pool,
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56 1,
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57 sizeof(PropfindRequest));
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58 davrq->nsmap = xmlnsmap_create(sn->pool);
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59 xmlnsmap_put(davrq->nsmap, (char*)"DAV:");
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60 davrq->allprop = 0;
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61 davrq->propname = 0;
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62 davrq->prop = 0;
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63 davrq->properties = NULL;
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64 davrq->forbiddenProps = NULL;
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65 davrq->notFoundProps = NULL;
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66 davrq->mgrdata = NULL;
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67
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68
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69 xmlTextReaderPtr reader = xmlReaderForMemory(xml, len, NULL, NULL, 0);
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70 int r = 0;
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71
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72 if(!reader) {
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73 fprintf(stderr, "Cannot create xmlReader\n");
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74 return davrq;
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75 }
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77 PropfindParser parser;
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78 parser.pool = sn->pool;
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79 parser.rq = davrq;
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80 parser.davPropTag = 0;
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81
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82 while((r = xmlTextReaderRead(reader)) == 1) {
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83 int nodetype = xmlTextReaderNodeType(reader);
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84 if(nodetype == XML_READER_TYPE_ELEMENT) {
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85 if(propfind_begin_elm(&parser, reader)) {
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86 fprintf(stderr, "propfind xml error\n");
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87 break;
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88 }
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89 }
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90 }
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92 return davrq;
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93 }
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94
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95 int propfind_begin_elm(PropfindParser *p, xmlTextReaderPtr elm) {
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96 pool_handle_t *pool = p->pool;
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97 const xmlChar *ns = xmlTextReaderConstNamespaceUri(elm);
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98 const xmlChar *name = xmlTextReaderConstLocalName(elm);
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99 int depth = xmlTextReaderDepth(elm);
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100
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101 // check namespace
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102 int dav_ns = 0;
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103 if(ns) {
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104 dav_ns = xstreq(ns, "DAV:") ? 1 : 0;
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105 }
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106
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107 if(dav_ns && xstreq(name, "allprop") && depth == 1) {
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108 p->rq->allprop = 1;
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109 } else if(dav_ns && xstreq(name, "prop") && depth == 1) {
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110 p->davPropTag = 1;
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111 } else if(p->davPropTag && !p->rq->allprop && depth == 2) {
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112 DavProperty *property = pool_malloc(pool, sizeof(DavProperty));
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113 property->xmlns = xmlnsmap_put(p->rq->nsmap, (char*)ns);
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114 property->name = pool_strdup(pool, (const char*)name);
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116 // add property to DavRequest
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117 UcxList *elm = pool_malloc(pool, sizeof(UcxList));
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118 elm->prev = NULL;
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119 elm->next = NULL;
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120 elm->data = property;
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121 p->rq->properties = ucx_list_concat(p->rq->properties, elm);
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122 }
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123
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124 return 0;
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125 }
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126

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