diff -r afd57ce39ec9 -r b62e77d8e80c src/server/webdav/parser.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/server/webdav/parser.c Tue Jul 09 17:16:26 2013 +0200 @@ -0,0 +1,158 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2013 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include + +#include "parser.h" + + +void xmlerrorfnc(void * ctx, const char * msg, ... ) { + // nothing +} + +static int xinit = 0; + +PropfindRequest* dav_parse_propfind2( + Session *sn, + Request *rq, + char *xml, + size_t len) +{ + if(!xinit) { + xmlGenericErrorFunc fnc = xmlerrorfnc; + initGenericErrorDefaultFunc(&fnc); + xinit = 1; + } + + PropfindRequest *davrq = (PropfindRequest*)pool_calloc( + sn->pool, + 1, + sizeof(PropfindRequest)); + davrq->nsmap = xmlnsmap_create(sn->pool); + xmlnsmap_put(davrq->nsmap, (char*)"DAV:"); + davrq->allprop = 0; + davrq->propname = 0; + davrq->prop = 0; + davrq->properties = NULL; + davrq->forbiddenProps = NULL; + davrq->notFoundProps = NULL; + davrq->mgrdata = NULL; + + + xmlTextReaderPtr reader = xmlReaderForMemory(xml, len, NULL, NULL, 0); + int r = 0; + + if(!reader) { + fprintf(stderr, "Cannot create xmlReader\n"); + return davrq; + } + + PropfindParser *parser = pool_malloc(sn->pool, sizeof(PropfindParser)); + parser->pool = sn->pool; + parser->rq = davrq; + parser->property = NULL; + parser->davPropTag = 0; + + while((r = xmlTextReaderRead(reader)) == 1) { + int nodetype = xmlTextReaderNodeType(reader); + const xmlChar *name = xmlTextReaderConstLocalName(reader); + if(nodetype == XML_READER_TYPE_ELEMENT) { + if(propfind_begin_elm(parser, reader)) { + fprintf(stderr, "propfind xml error\n"); + break; + } + } else if(nodetype == XML_READER_TYPE_END_ELEMENT) { + if(propfind_end_elm(parser, reader)) { + fprintf(stderr, "propfind xml error\n"); + break; + } + } + } + + pool_free(sn->pool, parser); + + return davrq; +} + +int propfind_begin_elm(PropfindParser *p, xmlTextReaderPtr elm) { + pool_handle_t *pool = p->pool; + const xmlChar *ns = xmlTextReaderConstNamespaceUri(elm); + const xmlChar *name = xmlTextReaderConstLocalName(elm); + + if(ns == NULL) { + fprintf(stderr, "ERROR: namespace is null!\n"); + return -1; + } + + int dav_ns = xstreq(ns, "DAV:") ? 1 : 0; + + if(dav_ns && xstreq(name, "allprop")) { + p->rq->allprop = 1; + } else if(dav_ns && xstreq(name, "prop")) { + p->davPropTag = 1; + } else if(p->davPropTag && !p->property && !p->rq->allprop) { + DavProperty *property = pool_malloc(pool, sizeof(DavProperty)); + size_t nslen = strlen(ns); + size_t namelen = strlen(name); + if(nslen > 0) { + property->xmlns = xmlnsmap_put(p->rq->nsmap, (char*)ns); + } else { + property->xmlns = NULL; + } + + property->name = pool_malloc(pool, namelen + 1); + property->name[namelen] = 0; + memcpy(property->name, name, namelen); + + // add property to DavRequest + UcxDlist *elm = pool_malloc(pool, sizeof(UcxDlist)); + elm->prev = NULL; + elm->next = NULL; + elm->data = property; + p->rq->properties = ucx_dlist_concat(p->rq->properties, elm); + } + + return 0; +} + +int propfind_end_elm(PropfindParser *p, xmlTextReaderPtr elm) { + pool_handle_t *pool = p->pool; + const xmlChar *ns = xmlTextReaderConstNamespaceUri(elm); + const xmlChar *name = xmlTextReaderConstLocalName(elm); + + if(ns == NULL) { + fprintf(stderr, "ERROR: namespace is null!\n"); + return -1; + } + + // nothing here yet + + return 0; +}