--- /dev/null
+/*
+ * Generic XML helper functions
+ * Copyright (c) 2012-2013, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "xml-utils.h"
+
+
+static xml_node_t * get_node_uri_iter(struct xml_node_ctx *ctx,
+ xml_node_t *root, char *uri)
+{
+ char *end;
+ xml_node_t *node;
+ const char *name;
+
+ end = strchr(uri, '/');
+ if (end)
+ *end++ = '\0';
+
+ node = root;
+ xml_node_for_each_sibling(ctx, node) {
+ xml_node_for_each_check(ctx, node);
+ name = xml_node_get_localname(ctx, node);
+ if (strcasecmp(name, uri) == 0)
+ break;
+ }
+
+ if (node == NULL)
+ return NULL;
+
+ if (end) {
+ return get_node_uri_iter(ctx, xml_node_first_child(ctx, node),
+ end);
+ }
+
+ return node;
+}
+
+
+xml_node_t * get_node_uri(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *uri)
+{
+ char *search;
+ xml_node_t *node;
+
+ search = os_strdup(uri);
+ if (search == NULL)
+ return NULL;
+
+ node = get_node_uri_iter(ctx, root, search);
+
+ os_free(search);
+ return node;
+}
+
+
+static xml_node_t * get_node_iter(struct xml_node_ctx *ctx,
+ xml_node_t *root, const char *path)
+{
+ char *end;
+ xml_node_t *node;
+ const char *name;
+
+ end = os_strchr(path, '/');
+ if (end)
+ *end++ = '\0';
+
+ xml_node_for_each_child(ctx, node, root) {
+ xml_node_for_each_check(ctx, node);
+ name = xml_node_get_localname(ctx, node);
+ if (os_strcasecmp(name, path) == 0)
+ break;
+ }
+
+ if (node == NULL)
+ return NULL;
+ if (end)
+ return get_node_iter(ctx, node, end);
+ return node;
+}
+
+
+xml_node_t * get_node(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *path)
+{
+ char *search;
+ xml_node_t *node;
+
+ search = os_strdup(path);
+ if (search == NULL)
+ return NULL;
+
+ node = get_node_iter(ctx, root, search);
+
+ os_free(search);
+ return node;
+}
+
+
+xml_node_t * get_child_node(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *path)
+{
+ xml_node_t *node;
+ xml_node_t *match;
+
+ xml_node_for_each_child(ctx, node, root) {
+ xml_node_for_each_check(ctx, node);
+ match = get_node(ctx, node, path);
+ if (match)
+ return match;
+ }
+
+ return NULL;
+}
+
+
+xml_node_t * node_from_file(struct xml_node_ctx *ctx, const char *name)
+{
+ xml_node_t *node;
+ char *buf, *buf2, *start;
+ size_t len;
+
+ buf = os_readfile(name, &len);
+ if (buf == NULL)
+ return NULL;
+ buf2 = os_realloc(buf, len + 1);
+ if (buf2 == NULL) {
+ os_free(buf);
+ return NULL;
+ }
+ buf = buf2;
+ buf[len] = '\0';
+
+ start = os_strstr(buf, "<!DOCTYPE ");
+ if (start) {
+ char *pos = start + 1;
+ int count = 1;
+ while (*pos) {
+ if (*pos == '<')
+ count++;
+ else if (*pos == '>') {
+ count--;
+ if (count == 0) {
+ pos++;
+ break;
+ }
+ }
+ pos++;
+ }
+ if (count == 0) {
+ /* Remove DOCTYPE to allow the file to be parsed */
+ os_memset(start, ' ', pos - start);
+ }
+ }
+
+ node = xml_node_from_buf(ctx, buf);
+ os_free(buf);
+
+ return node;
+}
+
+
+int node_to_file(struct xml_node_ctx *ctx, const char *fname, xml_node_t *node)
+{
+ FILE *f;
+ char *str;
+
+ str = xml_node_to_str(ctx, node);
+ if (str == NULL)
+ return -1;
+
+ f = fopen(fname, "w");
+ if (!f) {
+ os_free(str);
+ return -1;
+ }
+
+ fprintf(f, "%s\n", str);
+ os_free(str);
+ fclose(f);
+
+ return 0;
+}
+
+
+static char * get_val(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ char *val, *pos;
+
+ val = xml_node_get_text(ctx, node);
+ if (val == NULL)
+ return NULL;
+ pos = val;
+ while (*pos) {
+ if (*pos != ' ' && *pos != '\t' && *pos != '\r' && *pos != '\n')
+ return val;
+ pos++;
+ }
+
+ return NULL;
+}
+
+
+static char * add_path(const char *prev, const char *leaf)
+{
+ size_t len;
+ char *new_uri;
+
+ if (prev == NULL)
+ return NULL;
+
+ len = os_strlen(prev) + 1 + os_strlen(leaf) + 1;
+ new_uri = os_malloc(len);
+ if (new_uri)
+ os_snprintf(new_uri, len, "%s/%s", prev, leaf);
+
+ return new_uri;
+}
+
+
+static void node_to_tnds(struct xml_node_ctx *ctx, xml_node_t *out,
+ xml_node_t *in, const char *uri)
+{
+ xml_node_t *node;
+ xml_node_t *tnds;
+ const char *name;
+ char *val;
+ char *new_uri;
+
+ xml_node_for_each_child(ctx, node, in) {
+ xml_node_for_each_check(ctx, node);
+ name = xml_node_get_localname(ctx, node);
+
+ tnds = xml_node_create(ctx, out, NULL, "Node");
+ if (tnds == NULL)
+ return;
+ xml_node_create_text(ctx, tnds, NULL, "NodeName", name);
+
+ if (uri)
+ xml_node_create_text(ctx, tnds, NULL, "Path", uri);
+
+ val = get_val(ctx, node);
+ if (val) {
+ xml_node_create_text(ctx, tnds, NULL, "Value", val);
+ xml_node_get_text_free(ctx, val);
+ }
+
+ new_uri = add_path(uri, name);
+ node_to_tnds(ctx, new_uri ? out : tnds, node, new_uri);
+ os_free(new_uri);
+ }
+}
+
+
+static int add_ddfname(struct xml_node_ctx *ctx, xml_node_t *parent,
+ const char *urn)
+{
+ xml_node_t *node;
+
+ node = xml_node_create(ctx, parent, NULL, "RTProperties");
+ if (node == NULL)
+ return -1;
+ node = xml_node_create(ctx, node, NULL, "Type");
+ if (node == NULL)
+ return -1;
+ xml_node_create_text(ctx, node, NULL, "DDFName", urn);
+ return 0;
+}
+
+
+xml_node_t * mo_to_tnds(struct xml_node_ctx *ctx, xml_node_t *mo,
+ int use_path, const char *urn, const char *ns_uri)
+{
+ xml_node_t *root;
+ xml_node_t *node;
+ const char *name;
+
+ root = xml_node_create_root(ctx, ns_uri, NULL, NULL, "MgmtTree");
+ if (root == NULL)
+ return NULL;
+
+ xml_node_create_text(ctx, root, NULL, "VerDTD", "1.2");
+
+ name = xml_node_get_localname(ctx, mo);
+
+ node = xml_node_create(ctx, root, NULL, "Node");
+ if (node == NULL)
+ goto fail;
+ xml_node_create_text(ctx, node, NULL, "NodeName", name);
+ if (urn)
+ add_ddfname(ctx, node, urn);
+
+ node_to_tnds(ctx, use_path ? root : node, mo, use_path ? name : NULL);
+
+ return root;
+
+fail:
+ xml_node_free(ctx, root);
+ return NULL;
+}
+
+
+static xml_node_t * get_first_child_node(struct xml_node_ctx *ctx,
+ xml_node_t *node,
+ const char *name)
+{
+ const char *lname;
+ xml_node_t *child;
+
+ xml_node_for_each_child(ctx, child, node) {
+ xml_node_for_each_check(ctx, child);
+ lname = xml_node_get_localname(ctx, child);
+ if (os_strcasecmp(lname, name) == 0)
+ return child;
+ }
+
+ return NULL;
+}
+
+
+static char * get_node_text(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *node_name)
+{
+ node = get_first_child_node(ctx, node, node_name);
+ if (node == NULL)
+ return NULL;
+ return xml_node_get_text(ctx, node);
+}
+
+
+static xml_node_t * add_mo_node(struct xml_node_ctx *ctx, xml_node_t *root,
+ xml_node_t *node, const char *uri)
+{
+ char *nodename, *value, *path;
+ xml_node_t *parent;
+
+ nodename = get_node_text(ctx, node, "NodeName");
+ if (nodename == NULL)
+ return NULL;
+ value = get_node_text(ctx, node, "Value");
+
+ if (root == NULL) {
+ root = xml_node_create_root(ctx, NULL, NULL, NULL,
+ nodename);
+ if (root && value)
+ xml_node_set_text(ctx, root, value);
+ } else {
+ if (uri == NULL) {
+ xml_node_get_text_free(ctx, nodename);
+ xml_node_get_text_free(ctx, value);
+ return NULL;
+ }
+ path = get_node_text(ctx, node, "Path");
+ if (path)
+ uri = path;
+ parent = get_node_uri(ctx, root, uri);
+ xml_node_get_text_free(ctx, path);
+ if (parent == NULL) {
+ printf("Could not find URI '%s'\n", uri);
+ xml_node_get_text_free(ctx, nodename);
+ xml_node_get_text_free(ctx, value);
+ return NULL;
+ }
+ if (value)
+ xml_node_create_text(ctx, parent, NULL, nodename,
+ value);
+ else
+ xml_node_create(ctx, parent, NULL, nodename);
+ }
+
+ xml_node_get_text_free(ctx, nodename);
+ xml_node_get_text_free(ctx, value);
+
+ return root;
+}
+
+
+static xml_node_t * tnds_to_mo_iter(struct xml_node_ctx *ctx, xml_node_t *root,
+ xml_node_t *node, const char *uri)
+{
+ xml_node_t *child;
+ const char *name;
+ char *nodename;
+
+ xml_node_for_each_sibling(ctx, node) {
+ xml_node_for_each_check(ctx, node);
+
+ nodename = get_node_text(ctx, node, "NodeName");
+ if (nodename == NULL)
+ return NULL;
+
+ name = xml_node_get_localname(ctx, node);
+ if (strcmp(name, "Node") == 0) {
+ if (root && !uri) {
+ printf("Invalid TNDS tree structure - "
+ "multiple top level nodes\n");
+ xml_node_get_text_free(ctx, nodename);
+ return NULL;
+ }
+ root = add_mo_node(ctx, root, node, uri);
+ }
+
+ child = get_first_child_node(ctx, node, "Node");
+ if (child) {
+ if (uri == NULL)
+ tnds_to_mo_iter(ctx, root, child, nodename);
+ else {
+ char *new_uri;
+ new_uri = add_path(uri, nodename);
+ tnds_to_mo_iter(ctx, root, child, new_uri);
+ os_free(new_uri);
+ }
+ }
+ xml_node_get_text_free(ctx, nodename);
+ }
+
+ return root;
+}
+
+
+xml_node_t * tnds_to_mo(struct xml_node_ctx *ctx, xml_node_t *tnds)
+{
+ const char *name;
+ xml_node_t *node;
+
+ name = xml_node_get_localname(ctx, tnds);
+ if (name == NULL || os_strcmp(name, "MgmtTree") != 0)
+ return NULL;
+
+ node = get_first_child_node(ctx, tnds, "Node");
+ if (!node)
+ return NULL;
+ return tnds_to_mo_iter(ctx, NULL, node, NULL);
+}
+
+
+xml_node_t * soap_build_envelope(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ xml_node_t *envelope, *body;
+ xml_namespace_t *ns;
+
+ envelope = xml_node_create_root(
+ ctx, "http://www.w3.org/2003/05/soap-envelope", "soap12", &ns,
+ "Envelope");
+ if (envelope == NULL)
+ return NULL;
+ body = xml_node_create(ctx, envelope, ns, "Body");
+ xml_node_add_child(ctx, body, node);
+ return envelope;
+}
+
+
+xml_node_t * soap_get_body(struct xml_node_ctx *ctx, xml_node_t *soap)
+{
+ xml_node_t *body, *child;
+
+ body = get_node_uri(ctx, soap, "Envelope/Body");
+ if (body == NULL)
+ return NULL;
+ xml_node_for_each_child(ctx, child, body) {
+ xml_node_for_each_check(ctx, child);
+ return child;
+ }
+ return NULL;
+}
--- /dev/null
+/*
+ * Generic XML helper functions
+ * Copyright (c) 2012-2013, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef XML_UTILS_H
+#define XML_UTILS_H
+
+struct xml_node_ctx;
+typedef struct xml_node xml_node_t;
+typedef struct xml_namespace_foo xml_namespace_t;
+
+/* XML library wrappers */
+
+int xml_validate(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *xml_schema_fname, char **ret_err);
+int xml_validate_dtd(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *dtd_fname, char **ret_err);
+void xml_node_free(struct xml_node_ctx *ctx, xml_node_t *node);
+xml_node_t * xml_node_get_parent(struct xml_node_ctx *ctx, xml_node_t *node);
+xml_node_t * xml_node_from_buf(struct xml_node_ctx *ctx, const char *buf);
+const char * xml_node_get_localname(struct xml_node_ctx *ctx,
+ xml_node_t *node);
+char * xml_node_to_str(struct xml_node_ctx *ctx, xml_node_t *node);
+void xml_node_detach(struct xml_node_ctx *ctx, xml_node_t *node);
+void xml_node_add_child(struct xml_node_ctx *ctx, xml_node_t *parent,
+ xml_node_t *child);
+xml_node_t * xml_node_create_root(struct xml_node_ctx *ctx, const char *ns_uri,
+ const char *ns_prefix,
+ xml_namespace_t **ret_ns, const char *name);
+xml_node_t * xml_node_create(struct xml_node_ctx *ctx, xml_node_t *parent,
+ xml_namespace_t *ns, const char *name);
+xml_node_t * xml_node_create_text(struct xml_node_ctx *ctx,
+ xml_node_t *parent, xml_namespace_t *ns,
+ const char *name, const char *value);
+xml_node_t * xml_node_create_text_ns(struct xml_node_ctx *ctx,
+ xml_node_t *parent, const char *ns_uri,
+ const char *name, const char *value);
+void xml_node_set_text(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *value);
+int xml_node_add_attr(struct xml_node_ctx *ctx, xml_node_t *node,
+ xml_namespace_t *ns, const char *name, const char *value);
+char * xml_node_get_attr_value(struct xml_node_ctx *ctx, xml_node_t *node,
+ char *name);
+char * xml_node_get_attr_value_ns(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *ns_uri, char *name);
+void xml_node_get_attr_value_free(struct xml_node_ctx *ctx, char *val);
+xml_node_t * xml_node_first_child(struct xml_node_ctx *ctx,
+ xml_node_t *parent);
+xml_node_t * xml_node_next_sibling(struct xml_node_ctx *ctx,
+ xml_node_t *node);
+int xml_node_is_element(struct xml_node_ctx *ctx, xml_node_t *node);
+char * xml_node_get_text(struct xml_node_ctx *ctx, xml_node_t *node);
+void xml_node_get_text_free(struct xml_node_ctx *ctx, char *val);
+char * xml_node_get_base64_text(struct xml_node_ctx *ctx, xml_node_t *node,
+ int *ret_len);
+xml_node_t * xml_node_copy(struct xml_node_ctx *ctx, xml_node_t *node);
+
+#define xml_node_for_each_child(ctx, child, parent) \
+for (child = xml_node_first_child(ctx, parent); \
+ child; \
+ child = xml_node_next_sibling(ctx, child))
+
+#define xml_node_for_each_sibling(ctx, node) \
+for (; \
+ node; \
+ node = xml_node_next_sibling(ctx, node))
+
+#define xml_node_for_each_check(ctx, child) \
+if (!xml_node_is_element(ctx, child)) \
+ continue
+
+typedef void (*debug_print_func)(void *ctx, int print, const char *fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+
+
+struct xml_node_ctx * xml_node_init_ctx(void *upper_ctx,
+ const void *env);
+void xml_node_deinit_ctx(struct xml_node_ctx *ctx);
+
+
+xml_node_t * get_node_uri(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *uri);
+xml_node_t * get_node(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *path);
+xml_node_t * get_child_node(struct xml_node_ctx *ctx, xml_node_t *root,
+ const char *path);
+xml_node_t * node_from_file(struct xml_node_ctx *ctx, const char *name);
+int node_to_file(struct xml_node_ctx *ctx, const char *fname, xml_node_t *node);
+xml_node_t * mo_to_tnds(struct xml_node_ctx *ctx, xml_node_t *mo,
+ int use_path, const char *urn, const char *ns_uri);
+xml_node_t * tnds_to_mo(struct xml_node_ctx *ctx, xml_node_t *tnds);
+
+xml_node_t * soap_build_envelope(struct xml_node_ctx *ctx, xml_node_t *node);
+xml_node_t * soap_get_body(struct xml_node_ctx *ctx, xml_node_t *soap);
+
+#endif /* XML_UTILS_H */
--- /dev/null
+/*
+ * XML wrapper for libxml2
+ * Copyright (c) 2012-2013, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+#define LIBXML_VALID_ENABLED
+#include <libxml/tree.h>
+#include <libxml/xmlschemastypes.h>
+
+#include "common.h"
+#include "base64.h"
+#include "xml-utils.h"
+
+
+struct xml_node_ctx {
+ void *ctx;
+};
+
+
+struct str_buf {
+ char *buf;
+ size_t len;
+};
+
+#define MAX_STR 1000
+
+static void add_str(void *ctx_ptr, const char *fmt, ...)
+{
+ struct str_buf *str = ctx_ptr;
+ va_list ap;
+ char *n;
+ int len;
+
+ n = os_realloc(str->buf, str->len + MAX_STR + 2);
+ if (n == NULL)
+ return;
+ str->buf = n;
+
+ va_start(ap, fmt);
+ len = vsnprintf(str->buf + str->len, MAX_STR, fmt, ap);
+ va_end(ap);
+ if (len >= MAX_STR)
+ len = MAX_STR - 1;
+ str->len += len;
+ str->buf[str->len] = '\0';
+}
+
+
+int xml_validate(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *xml_schema_fname, char **ret_err)
+{
+ xmlDocPtr doc;
+ xmlNodePtr n;
+ xmlSchemaParserCtxtPtr pctx;
+ xmlSchemaValidCtxtPtr vctx;
+ xmlSchemaPtr schema;
+ int ret;
+ struct str_buf errors;
+
+ if (ret_err)
+ *ret_err = NULL;
+
+ doc = xmlNewDoc((xmlChar *) "1.0");
+ if (doc == NULL)
+ return -1;
+ n = xmlDocCopyNode((xmlNodePtr) node, doc, 1);
+ if (n == NULL) {
+ xmlFreeDoc(doc);
+ return -1;
+ }
+ xmlDocSetRootElement(doc, n);
+
+ os_memset(&errors, 0, sizeof(errors));
+
+ pctx = xmlSchemaNewParserCtxt(xml_schema_fname);
+ xmlSchemaSetParserErrors(pctx, (xmlSchemaValidityErrorFunc) add_str,
+ (xmlSchemaValidityWarningFunc) add_str,
+ &errors);
+ schema = xmlSchemaParse(pctx);
+ xmlSchemaFreeParserCtxt(pctx);
+
+ vctx = xmlSchemaNewValidCtxt(schema);
+ xmlSchemaSetValidErrors(vctx, (xmlSchemaValidityErrorFunc) add_str,
+ (xmlSchemaValidityWarningFunc) add_str,
+ &errors);
+
+ ret = xmlSchemaValidateDoc(vctx, doc);
+ xmlSchemaFreeValidCtxt(vctx);
+ xmlFreeDoc(doc);
+ xmlSchemaFree(schema);
+
+ if (ret == 0) {
+ os_free(errors.buf);
+ return 0;
+ } else if (ret > 0) {
+ if (ret_err)
+ *ret_err = errors.buf;
+ else
+ os_free(errors.buf);
+ return -1;
+ } else {
+ if (ret_err)
+ *ret_err = errors.buf;
+ else
+ os_free(errors.buf);
+ return -1;
+ }
+}
+
+
+int xml_validate_dtd(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *dtd_fname, char **ret_err)
+{
+ xmlDocPtr doc;
+ xmlNodePtr n;
+ xmlValidCtxt vctx;
+ xmlDtdPtr dtd;
+ int ret;
+ struct str_buf errors;
+
+ if (ret_err)
+ *ret_err = NULL;
+
+ doc = xmlNewDoc((xmlChar *) "1.0");
+ if (doc == NULL)
+ return -1;
+ n = xmlDocCopyNode((xmlNodePtr) node, doc, 1);
+ if (n == NULL) {
+ xmlFreeDoc(doc);
+ return -1;
+ }
+ xmlDocSetRootElement(doc, n);
+
+ os_memset(&errors, 0, sizeof(errors));
+
+ dtd = xmlParseDTD(NULL, (const xmlChar *) dtd_fname);
+ if (dtd == NULL) {
+ xmlFreeDoc(doc);
+ return -1;
+ }
+
+ os_memset(&vctx, 0, sizeof(vctx));
+ vctx.userData = &errors;
+ vctx.error = add_str;
+ vctx.warning = add_str;
+ ret = xmlValidateDtd(&vctx, doc, dtd);
+ xmlFreeDoc(doc);
+ xmlFreeDtd(dtd);
+
+ if (ret == 1) {
+ os_free(errors.buf);
+ return 0;
+ } else {
+ if (ret_err)
+ *ret_err = errors.buf;
+ else
+ os_free(errors.buf);
+ return -1;
+ }
+}
+
+
+void xml_node_free(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ xmlFreeNode((xmlNodePtr) node);
+}
+
+
+xml_node_t * xml_node_get_parent(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ return (xml_node_t *) ((xmlNodePtr) node)->parent;
+}
+
+
+xml_node_t * xml_node_from_buf(struct xml_node_ctx *ctx, const char *buf)
+{
+ xmlDocPtr doc;
+ xmlNodePtr node;
+
+ doc = xmlParseMemory(buf, strlen(buf));
+ if (doc == NULL)
+ return NULL;
+ node = xmlDocGetRootElement(doc);
+ node = xmlCopyNode(node, 1);
+ xmlFreeDoc(doc);
+
+ return (xml_node_t *) node;
+}
+
+
+const char * xml_node_get_localname(struct xml_node_ctx *ctx,
+ xml_node_t *node)
+{
+ return (const char *) ((xmlNodePtr) node)->name;
+}
+
+
+char * xml_node_to_str(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ xmlChar *buf;
+ int bufsiz;
+ char *ret, *pos;
+ xmlNodePtr n = (xmlNodePtr) node;
+ xmlDocPtr doc;
+
+ doc = xmlNewDoc((xmlChar *) "1.0");
+ n = xmlDocCopyNode(n, doc, 1);
+ xmlDocSetRootElement(doc, n);
+ xmlDocDumpFormatMemory(doc, &buf, &bufsiz, 0);
+ xmlFreeDoc(doc);
+ pos = (char *) buf;
+ if (strncmp(pos, "<?xml", 5) == 0) {
+ pos = strchr(pos, '>');
+ if (pos)
+ pos++;
+ while (pos && (*pos == '\r' || *pos == '\n'))
+ pos++;
+ }
+ if (pos)
+ ret = os_strdup(pos);
+ else
+ ret = NULL;
+ xmlFree(buf);
+
+ if (ret) {
+ pos = ret;
+ if (pos[0]) {
+ while (pos[1])
+ pos++;
+ }
+ while (pos >= ret && *pos == '\n')
+ *pos-- = '\0';
+ }
+
+ return ret;
+}
+
+
+void xml_node_detach(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ xmlUnlinkNode((xmlNodePtr) node);
+}
+
+
+void xml_node_add_child(struct xml_node_ctx *ctx, xml_node_t *parent,
+ xml_node_t *child)
+{
+ xmlAddChild((xmlNodePtr) parent, (xmlNodePtr) child);
+}
+
+
+xml_node_t * xml_node_create_root(struct xml_node_ctx *ctx, const char *ns_uri,
+ const char *ns_prefix,
+ xml_namespace_t **ret_ns, const char *name)
+{
+ xmlNodePtr node;
+ xmlNsPtr ns = NULL;
+
+ node = xmlNewNode(NULL, (const xmlChar *) name);
+ if (node == NULL)
+ return NULL;
+ if (ns_uri) {
+ ns = xmlNewNs(node, (const xmlChar *) ns_uri,
+ (const xmlChar *) ns_prefix);
+ xmlSetNs(node, ns);
+ }
+
+ if (ret_ns)
+ *ret_ns = (xml_namespace_t *) ns;
+
+ return (xml_node_t *) node;
+}
+
+
+xml_node_t * xml_node_create(struct xml_node_ctx *ctx, xml_node_t *parent,
+ xml_namespace_t *ns, const char *name)
+{
+ xmlNodePtr node;
+ node = xmlNewChild((xmlNodePtr) parent, (xmlNsPtr) ns,
+ (const xmlChar *) name, NULL);
+ return (xml_node_t *) node;
+}
+
+
+xml_node_t * xml_node_create_text(struct xml_node_ctx *ctx,
+ xml_node_t *parent, xml_namespace_t *ns,
+ const char *name, const char *value)
+{
+ xmlNodePtr node;
+ node = xmlNewTextChild((xmlNodePtr) parent, (xmlNsPtr) ns,
+ (const xmlChar *) name, (const xmlChar *) value);
+ return (xml_node_t *) node;
+}
+
+
+xml_node_t * xml_node_create_text_ns(struct xml_node_ctx *ctx,
+ xml_node_t *parent, const char *ns_uri,
+ const char *name, const char *value)
+{
+ xmlNodePtr node;
+ xmlNsPtr ns;
+
+ node = xmlNewTextChild((xmlNodePtr) parent, NULL,
+ (const xmlChar *) name, (const xmlChar *) value);
+ ns = xmlNewNs(node, (const xmlChar *) ns_uri, NULL);
+ xmlSetNs(node, ns);
+ return (xml_node_t *) node;
+}
+
+
+void xml_node_set_text(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *value)
+{
+ /* TODO: escape XML special chars in value */
+ xmlNodeSetContent((xmlNodePtr) node, (xmlChar *) value);
+}
+
+
+int xml_node_add_attr(struct xml_node_ctx *ctx, xml_node_t *node,
+ xml_namespace_t *ns, const char *name, const char *value)
+{
+ xmlAttrPtr attr;
+
+ if (ns) {
+ attr = xmlNewNsProp((xmlNodePtr) node, (xmlNsPtr) ns,
+ (const xmlChar *) name,
+ (const xmlChar *) value);
+ } else {
+ attr = xmlNewProp((xmlNodePtr) node, (const xmlChar *) name,
+ (const xmlChar *) value);
+ }
+
+ return attr ? 0 : -1;
+}
+
+
+char * xml_node_get_attr_value(struct xml_node_ctx *ctx, xml_node_t *node,
+ char *name)
+{
+ return (char *) xmlGetNoNsProp((xmlNodePtr) node,
+ (const xmlChar *) name);
+}
+
+
+char * xml_node_get_attr_value_ns(struct xml_node_ctx *ctx, xml_node_t *node,
+ const char *ns_uri, char *name)
+{
+ return (char *) xmlGetNsProp((xmlNodePtr) node, (const xmlChar *) name,
+ (const xmlChar *) ns_uri);
+}
+
+
+void xml_node_get_attr_value_free(struct xml_node_ctx *ctx, char *val)
+{
+ if (val)
+ xmlFree((xmlChar *) val);
+}
+
+
+xml_node_t * xml_node_first_child(struct xml_node_ctx *ctx,
+ xml_node_t *parent)
+{
+ return (xml_node_t *) ((xmlNodePtr) parent)->children;
+}
+
+
+xml_node_t * xml_node_next_sibling(struct xml_node_ctx *ctx,
+ xml_node_t *node)
+{
+ return (xml_node_t *) ((xmlNodePtr) node)->next;
+}
+
+
+int xml_node_is_element(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ return ((xmlNodePtr) node)->type == XML_ELEMENT_NODE;
+}
+
+
+char * xml_node_get_text(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ if (xmlChildElementCount((xmlNodePtr) node) > 0)
+ return NULL;
+ return (char *) xmlNodeGetContent((xmlNodePtr) node);
+}
+
+
+void xml_node_get_text_free(struct xml_node_ctx *ctx, char *val)
+{
+ if (val)
+ xmlFree((xmlChar *) val);
+}
+
+
+char * xml_node_get_base64_text(struct xml_node_ctx *ctx, xml_node_t *node,
+ int *ret_len)
+{
+ char *txt;
+ unsigned char *ret;
+ size_t len;
+
+ txt = xml_node_get_text(ctx, node);
+ if (txt == NULL)
+ return NULL;
+
+ ret = base64_decode((unsigned char *) txt, strlen(txt), &len);
+ if (ret_len)
+ *ret_len = len;
+ xml_node_get_text_free(ctx, txt);
+ if (ret == NULL)
+ return NULL;
+ txt = os_malloc(len + 1);
+ if (txt == NULL) {
+ os_free(ret);
+ return NULL;
+ }
+ os_memcpy(txt, ret, len);
+ txt[len] = '\0';
+ return txt;
+}
+
+
+xml_node_t * xml_node_copy(struct xml_node_ctx *ctx, xml_node_t *node)
+{
+ if (node == NULL)
+ return NULL;
+ return (xml_node_t *) xmlCopyNode((xmlNodePtr) node, 1);
+}
+
+
+struct xml_node_ctx * xml_node_init_ctx(void *upper_ctx,
+ const void *env)
+{
+ struct xml_node_ctx *xctx;
+
+ xctx = os_zalloc(sizeof(*xctx));
+ if (xctx == NULL)
+ return NULL;
+ xctx->ctx = upper_ctx;
+
+ LIBXML_TEST_VERSION
+
+ return xctx;
+}
+
+
+void xml_node_deinit_ctx(struct xml_node_ctx *ctx)
+{
+ xmlSchemaCleanupTypes();
+ xmlCleanupParser();
+ xmlMemoryDump();
+ os_free(ctx);
+}